CN112576478B

CN112576478B - Mute air pump

Info

Publication number: CN112576478B
Application number: CN202011482952.3A
Authority: CN
Inventors: 江沛杰; 李辉; 赵仲康
Original assignee: Shenzhen Sangtaida Technology Co ltd
Current assignee: Shenzhen Sangtaida Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-24
Anticipated expiration: 2040-12-15
Also published as: CN112576478A

Abstract

The invention provides a silent air pump which comprises a pump shell, a swing rod assembly, a motor, an air outlet valve body and an air inlet valve body, wherein the pump shell comprises a valve cavity and a cylinder cavity, the swing rod assembly is movably arranged in the cylinder cavity, an air inlet through hole is formed in the driving end of the swing rod assembly, the cylinder cavity is divided into an air inlet cavity and an air outlet cavity by the driving end, the valve cavity is communicated with the air outlet cavity through an air outlet through hole, the air inlet cavity is communicated with the air outlet cavity through the air inlet through hole, an air outlet opening in the pump shell is communicated with the valve cavity and an external space, the air inlet opening is communicated with the air inlet cavity and the external space, the motor is connected with the swing rod assembly through an eccentric wheel, the air outlet valve body is connected to the air outlet through hole, one end of the air outlet valve body is provided with a connecting hole used for being connected with the air outlet through hole, the other end of the air outlet valve body is provided with a strip-shaped air outlet hole, and the air outlet valve body can be compressed by air pressure to be contracted so as to automatically seal the air outlet hole. The air outlet valve body of the mute air pump automatically seals the air outlet hole by self-contraction, so that the air pump has high air exhaust efficiency, good reverse sealing effect and low noise.

Description

Mute air pump

Technical Field

The invention relates to the field of air pumps, in particular to a mute air pump.

Background

An air pump is a device used to remove air from an enclosed space or add air to an enclosed space. The air pump on the existing market is various, and the air pump generally comprises a power assembly, a piston cylinder assembly, an air inlet valve body, an air outlet valve body and a plurality of corresponding fixing seats, wherein the power assembly drives and controls air to enter in a single direction through the air inlet valve body, and air is discharged in a single direction through the air outlet valve body. The structure of the air pump in the prior art is different, the air inlet valve body and the air outlet valve body of the air pump generally adopt one-way valve plates, the structures are rough, and the problems in various aspects, such as low air inlet and outlet accuracy, high noise and the like, exist.

Therefore, it is desirable to provide a silent air pump to solve the above-mentioned problems.

Disclosure of Invention

The invention provides a silent air pump, wherein an air outlet valve body is connected with an air outlet through hole through a connecting hole, and the air outlet is automatically closed through self contraction, so that the problems of insufficient air inlet and outlet precision, high noise and the like of the air pump in the prior art are solved.

In order to solve the technical problems, the technical scheme of the invention is as follows: a silent air pump, comprising:

the pump shell comprises a valve cavity and a cylinder cavity;

the swing rod assembly is movably arranged in the cylinder cavity and comprises a driving end, an air inlet through hole is formed in the driving end, the cylinder cavity is divided into an air inlet cavity and an air outlet cavity by the driving end, the valve cavity is communicated with the air outlet cavity through the air outlet through hole, the air inlet cavity is communicated with the air outlet cavity through the air inlet through hole, an air inlet opening and an air outlet opening are formed in the pump shell, the air outlet opening is communicated with the valve cavity and an external space, and the air inlet opening is communicated with the air inlet cavity and the external space;

the motor is connected with the swing rod assembly through an eccentric wheel and used for providing power for the swing rod assembly;

the air outlet valve body is connected to the air outlet through hole and used for controlling unidirectional air outlet; and

the air inlet valve body is used for controlling one-way air inlet and comprises an air inlet valve plate used for movably sealing the air inlet through hole, and the driving end movably presses external air into the air outlet cavity through the air inlet valve and presses the air in the air outlet cavity out of the air outlet valve body;

when the driving end moves towards the direction far away from the valve cavity, the air outlet valve body can automatically close the air outlet hole through contraction.

In the invention, two sides of the air outlet valve body are provided with inclined planes which are respectively positioned at two sides of the length direction of the air outlet hole, so that the air outlet valve body can be extruded by air pressure to seal the air outlet hole;

the inclined plane of the air outlet valve body is provided with a crease, so that the air outlet valve body contracts along the crease to automatically seal the air outlet hole.

Furthermore, a plurality of strip-shaped creases are distributed on the inclined plane, the extending direction of the creases is approximately vertical to the air outlet direction of the air outlet valve body, and the depths of the creases are gradually reduced along the air outlet direction of the air outlet valve body;

and a reinforcing rib is arranged in the middle of the inclined plane and is approximately perpendicular to the crease.

In the present invention, the pump case includes a gas exhaust seat, a valve fixing seat, and a fixing frame;

the gas outlet seat and the valve fixing seat are connected to form the valve cavity, the gas outlet opening is arranged on the gas outlet seat, the gas outlet through hole is arranged on the valve fixing seat, and the fixing frame is arranged on the gas outlet seat;

when the driving end is close to the valve cavity, a set distance is reserved between the fixed frame and the periphery of the gas outlet valve body;

when the driving end is far away from the valve cavity, the fixing frame extrudes the periphery of the air outlet valve body, so that the air outlet valve body contracts to close the air outlet hole.

Furthermore, the mute air pump also comprises a slip ring, a slide block and a connecting frame;

bosses are arranged around the air outlet through holes, the connecting frame is connected with the bosses in a sliding mode, the sliding direction of the connecting frame is consistent with the axial direction of the air outlet through holes, and the connecting holes of the air outlet valve body are connected with the connecting frame;

the valve fixing seat is provided with a mounting groove, a radial sliding groove and an axial sliding groove, the mounting groove is used for mounting the connecting frame, the axial sliding groove is distributed around the mounting groove, the radial sliding groove is communicated between the axial sliding groove and the mounting groove, a sliding ring is arranged in the axial sliding groove in a sliding manner, and a sliding block is arranged in the radial sliding groove in a sliding manner;

the gas exhaust seat is provided with an elastic column, and the elastic column is used for extruding the gas outlet valve body to enable the gas outlet valve body to be arranged in the mounting groove;

when the driving end moves in the direction far away from the valve cavity, the sliding ring slides to press the sliding block, so that the sliding block presses the connecting frame to slide in the direction close to the fixed frame, and the periphery of the gas outlet valve body is pressed with the fixed frame.

In addition, the pump shell also comprises a cylinder fixing seat, the air inlet valve body is of an elastic cylindrical structure, and the air inlet valve body is fixed between the cylinder fixing seat and the valve fixing seat;

the swing rod assembly further comprises a rod body, a plurality of driving ends are distributed on the periphery of one end of the rod body, the other end of the rod body is connected with the eccentric wheel, the driving ends are connected with the air inlet valve body, the rod body is at a set inclination angle relative to a rotating shaft of the motor, the plurality of driving ends are located at different height positions, and the motor drives the rod body to swing so that the driving ends swing up and down to control air inlet and air outlet of the silent air pump;

the sliding ring is close to the one end of air inlet valve body is provided with the connecting wire, be close to in the air inlet valve body the connecting terminal is provided with on the surface of drive end, the connecting wire with connecting terminal sliding connection, the tip of connecting wire is followed air outlet valve body with wear out to the outside between the gas outgoing seat, just the connecting wire is fixed air outlet valve body with between the gas outgoing seat.

Furthermore, silence air pump still includes the switching frame be connected with many connecting wires on the sliding ring, switching frame detachable connects intake valve internal surface, connecting terminal sets up on the switching frame, many the tip of connecting wire is followed the same one end of switching frame is worn out, and many the tip of connecting wire is followed go out the air valve body with wear out to the outside between the gas outgoing seat.

Further, connecting terminal includes first ring body and second ring body, the one end of first ring body with the switching frame is connected, and the other end is provided with the first curved arc portion of inwards buckling, the one end of second ring body with the switching frame is connected, and the other end is provided with the second curved arc portion of inwards buckling, first curved arc portion with the butt joint of the curved arc portion of second forms and is used for the connecting wire gets into the inboard clearance mouth of connecting terminal.

Furthermore, the mute air pump also comprises an elastic rubber block, the connecting line penetrates through the elastic rubber block to form sliding connection, and the elastic rubber block is pressed and fixed between the air outlet valve body and the valve fixing seat;

the tip of connecting wire is provided with the bigger end of cross-sectional area be provided with the pivot on the side of valve fixing base, it is used for convoluteing to rotate in the pivot be connected with the reel of connecting wire, be provided with on the reel and be used for the card to fix the draw-in groove of end, the reel with be provided with the elastic washer between the side of valve fixing base, the outer end threaded connection of pivot has nut spare, the nut spare is used for the extrusion the reel is in order to restrict its rotation.

In the invention, the fixed frame comprises a frame body and an elastic body, the elastic body is connected between the frame body and the gas exhaust seat, the frame body comprises a first annular ring, a second annular ring and a connecting rod connected between the first annular ring and the second annular ring, the first annular ring is used for contacting with the periphery of the gas exhaust valve body, the elastic body is wrapped and connected outside the second annular ring, and a connecting groove for fixedly connecting the elastic body is arranged on the gas exhaust seat.

A silent air pump, comprising:

the pump shell comprises a gas discharge seat and a cylinder fixing seat, wherein a valve cavity is formed by connecting the gas discharge seat and the cylinder fixing seat, a gas outlet opening is formed in the gas discharge seat, and a connecting convex part is arranged on the inner side of the gas discharge seat;

the air inlet valve body is arranged between the gas exhaust seat and the air cylinder fixing seat and divides the valve cavity into an air inlet cavity and an air outlet cavity, the air outlet cavity is communicated with the external space through the air outlet opening, the air cylinder cavity is arranged in the air inlet valve body, one end of the air inlet valve body is provided with an opening connected with the connecting convex part, and the other end of the air inlet valve body is movably provided with an air inlet valve plate;

the swing rod assembly comprises a rod body and driving ends, the driving ends are distributed on the periphery of one end of the rod body and are used for being connected with the air inlet valve body, air inlet through holes communicated with the air inlet cavity and the air outlet cavity are formed in the driving ends, the air inlet through holes are movably sealed by the air inlet valve plates and are used for controlling unidirectional air inlet, and the driving ends movably press air in the air inlet cavity into the air cylinder cavity through the air inlet through holes or press air in the air cylinder cavity into the air outlet cavity through a gap area between the air inlet valve body and the connecting convex part; and

the motor is connected with the rod body through an eccentric wheel and used for providing power for the swing rod assembly.

Compared with the prior art, the invention has the beneficial effects that: the air outlet valve body of the mute air pump automatically seals the air outlet hole by self-contraction, so that the air pump has high air exhaust efficiency, good reverse sealing effect and low noise.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

Fig. 1 is an exploded view of a silent air pump according to a first embodiment of the present invention.

Fig. 2 is a sectional view of a first embodiment of the silent air pump of the present invention.

Fig. 3 is a schematic structural view of an air outlet valve body in the first embodiment of the silent air pump of the present invention.

Fig. 4 is a schematic structural view of an intake valve body in the first embodiment of the silent air pump of the present invention.

Fig. 5 is a sectional view of a silence air pump according to a second embodiment of the present invention.

Fig. 6 is an enlarged view of a portion of the structure at X in fig. 5.

Fig. 7 is a schematic structural view of an air outlet valve body of a second embodiment of the silent air pump of the present invention.

Fig. 8 is a schematic structural view of a fixing frame of a silent air pump according to a second embodiment of the present invention.

Fig. 9 is a schematic structural view of a slip ring of the second embodiment of the silent air pump of the present invention.

Fig. 10 is a plan view of an adapter bracket of a second embodiment of the silent air pump of the present invention.

Fig. 11 is an enlarged view of a connection terminal on the adaptor rack of fig. 10.

Fig. 12 is a schematic structural view of a roll of a second embodiment of the silent air pump of the present invention.

Fig. 13 is an exploded view of a third embodiment of the silent air pump of the present invention.

Fig. 14 is a sectional view of a third embodiment of the silent air pump of the present invention.

Fig. 15 is a sectional view of a fourth embodiment of the silence air pump of the present invention.

Fig. 16 is an enlarged view of a portion of the structure at Y in fig. 15.

Fig. 17 is a schematic structural view of an intake valve body of a fourth embodiment of the silent air pump of the present invention.

Fig. 18 is a schematic structural view of the vent of the fourth embodiment of the silent air pump of the present invention.

Fig. 19 is a schematic structural view of the elastic frame and the driving block of the fourth embodiment of the silent air pump of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.

The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., the connection may be a detachable connection or a connection in a unitary structure; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The structure of the air pump among the prior art is different greatly, and the valve body that admits air, the valve body that gives vent to anger generally adopt one-way valve block, and the reverse sealed effect of valve block is not good, and the valve block is patted the fixing base repeatedly and is also made the noise great, and the structure is all comparatively crude, has the little problem of each side.

The following is a first embodiment of the silent air pump according to the present invention, which can solve the above technical problems.

Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is an exploded schematic view of a silent air pump according to a first embodiment of the present invention, fig. 2 is a cross-sectional view of the silent air pump according to the first embodiment of the present invention, and fig. 3 is a schematic view of an air outlet valve body of the silent air pump according to the first embodiment of the present invention.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The invention provides a mute air pump which comprises a pump shell, a swing rod assembly 12, a motor 13, an air outlet valve body 14 and an air inlet valve body 15.

The pump case includes valve pocket A and cylinder pocket, and the pump case specifically includes gas discharge seat 111, valve fixing base 112, cylinder fixing base 113 and motor fixing base 114, and long screw 16 runs through gas discharge seat 111, valve fixing base 112 and cylinder fixing base 113 and with motor fixing base 114 fixed connection, locks air inlet valve body 15 between valve fixing base 112 and cylinder fixing base 113 simultaneously, passes through screw 18 fixed connection between motor fixing base 114 and motor 13.

The swing rod assembly 12 is movably arranged in the air cylinder cavity, the swing rod assembly 12 comprises a driving end 121, an air inlet through hole 122 is formed in the driving end 121, the driving end 121 divides the air cylinder cavity into an air inlet cavity B1 and an air outlet cavity B2, the valve cavity A and the air outlet cavity B2 are communicated through an air outlet through hole 1121, the air inlet cavity B1 and the air outlet cavity B2 are communicated through the air inlet through hole 122, an air inlet opening 1141 and an air outlet opening 1111 are formed in the pump shell, the air outlet opening 1111 is communicated with the valve cavity A and an external space, and the air inlet opening 1141 is communicated with the air inlet cavity and the external space.

The motor 13 is connected with the swing rod assembly 12 through the eccentric wheel 17 to provide power for the swing rod assembly 12, the swing rod assembly 12 in this embodiment includes a rod body 123, one end of the rod body 123 is connected with the eccentric wheel 17, and a ball 19 is arranged between the rod body 123 and the eccentric wheel 17, so that the eccentric wheel 17 can better drive the rod body 123 to swing, the other end of the rod body 123 is connected with a disk body, three driving ends 121 are connected to the periphery of the disk body, the driving ends 121 are of a cylindrical structure, and a convex step 124 is arranged on the periphery of the driving ends, so that the connection with the air inlet valve body 15 is facilitated.

The air outlet valve body 14 is connected to the air outlet through hole 1121 for controlling one-way air outlet.

Referring to fig. 2 and 4, the intake valve body 15 is used for controlling one-way intake, the intake valve body 15 in this embodiment includes a cylinder portion 151, a flap portion 152 for interference connection with a driving end, and an intake valve sheet 153 for movably sealing the intake through hole 122, the driving end 121 movably presses external air into the outlet cavity B2 through the intake valve body 15, and presses the air in the outlet cavity B2 to the outside through the outlet valve body 14, the number of the intake valve bodies 15 corresponds to the number of the driving ends 121, and the plurality of intake valve bodies 15 are connected as an integral structure.

The cylinder fixing base 113 is provided with a positioning accommodating hole 1131 for positioning and arranging the intake valve body 15.

Wherein, the one end of the air outlet valve body 14 is provided with a connecting hole for connecting with the air outlet through hole 1121, and the periphery of the end is provided with a flange 142, the inner side of the air outlet seat 111 is provided with a pressing convex part, when the air outlet seat 111 is fixedly connected with the valve fixing seat 112, the pressing convex part presses the flange 142 on the valve fixing seat 112, the other end is provided with a strip-shaped air outlet hole 141, when the driving end 121 moves towards the direction far away from the valve cavity a, the air outlet valve body 14 can automatically close the air outlet hole 141 by contraction, the exhaust efficiency is high, the reverse sealing effect is good, and the noise is low.

The working principle of the invention is as follows: the motor 13 rotates and drives the eccentric wheel 17 to rotate, then the driving end 121 on the peripheral side of the swing rod component 12 can be driven to swing up and down, when the driving end 121 moves upwards, the compression air inlet valve body 15 deforms, the air outlet hole 141 is flushed, so that air in the air outlet cavity B2 is extruded to the outside through the air outlet hole 141 of the air outlet valve body 14, when the driving end 121 moves downwards, the air outlet valve body 14 can automatically close the air outlet hole 141 through contraction, meanwhile, the air inlet valve plate 153 can be opened to press the outside air into the air outlet cavity B2 through the air inlet valve body 15, and the reciprocating circulation is used for air inlet or air outlet.

Thus, the process of controlling the air inlet and the air outlet by the mute air pump of the preferred embodiment is completed.

The air outlet valve body of the mute air pump of the embodiment is the automatically-closed air outlet hole by self contraction, the air exhaust efficiency is high, the reverse sealing effect is good, and the noise is low.

The following is a second embodiment of the silent air pump capable of solving the above technical problems, wherein the same structural reference numerals in the first embodiment are the same as those in the second embodiment, and the main structural difference is at X in fig. 5, so that other structures can still refer to fig. 1-4.

The invention provides a mute air pump which comprises a pump shell, a swing rod assembly 12, a motor 13, an air outlet valve body 21 and an air inlet valve body 15.

The swing rod assembly 12 is movably arranged in the cylinder cavity, the swing rod assembly 12 comprises a driving end 121, an air inlet through hole 122 is formed in the driving end 121, the driving end 121 divides the cylinder cavity into an air inlet cavity B1 and an air outlet cavity B2, the valve cavity A and the air outlet cavity B2 are communicated through an air outlet through hole 1121, the air inlet cavity B1 and the air outlet cavity B2 are communicated through the air inlet through hole 122, an air inlet opening 1211 and an air outlet opening 1111 are formed in the pump shell, the air outlet opening 1111 is communicated with the valve cavity A and an external space, and the air inlet opening 1211 is communicated with the air inlet cavity and the external space.

The motor 13 is connected with the swing rod assembly 12 through the eccentric wheel 17 to provide power for the swing rod assembly 12, the swing rod assembly 12 in this embodiment includes a rod body 123, one end of the rod body 123 is connected with the eccentric wheel 17, and a ball 19 is arranged between the rod body 123 and the eccentric wheel 17, so that the eccentric wheel 17 can better drive the rod body 123 to swing, the other end of the rod body 123 is connected with a disk body, three driving ends 121 are connected to the periphery of the disk body, the driving ends 121 are of a cylindrical structure, and a convex step 124 is arranged on the periphery of the driving ends, so that the.

The air outlet valve body 21 is connected to the air outlet through hole 1121 for controlling one-way air outlet.

Referring to fig. 5, the intake valve body 15 is used for controlling one-way intake, the intake valve body 15 in this embodiment includes a cylinder portion 151, a flap portion 152 for interference connection with a driving end, and an intake valve plate 153 for movably sealing the intake through hole 122, the driving end 121 movably presses external air into the exhaust cavity B2 through the intake valve body 15, and presses air in the exhaust cavity B2 to the outside through the exhaust valve body 21, the number of the intake valve bodies 15 corresponds to the number of the driving ends 121, and the intake valve bodies 15 are connected as an integral structure.

Wherein, the one end of going out the air valve body 21 is provided with the connecting hole that is used for being connected with outlet vent hole 1121, and the other end is provided with the venthole 211 of rectangular shape, and when drive end 121 moved to the direction of keeping away from valve pocket A, it can be with self-sealing venthole 211 through the shrink to go out the air valve body 21, and exhaust efficiency is high, and reverse sealed effectual, and the noise is little.

Referring to fig. 7, in the present embodiment, the two inclined surfaces 213 are disposed on two sides of the air outlet valve body 21, so that the cross-sectional dimension of the air outlet valve body 21 is gradually reduced along the air outlet direction of the air outlet valve body 21, so that the upper end of the air outlet valve body 21 is in a flat structure as shown in fig. 7, and the two inclined surfaces 213 are respectively disposed on two sides of the length direction of the air outlet hole, so that the air outlet valve body 21 can be compressed by air to close the air outlet hole 211.

In this embodiment, a fold 214 is provided on the inclined surface 213 of the air outlet valve body 21, so that the air outlet valve body 21 contracts along the fold 214, and the air outlet hole 211 is automatically closed more stably.

Preferably, a plurality of strip-shaped creases 214 are distributed on the inclined plane 213, the extending direction of the creases 214 is substantially perpendicular to the air outlet direction of the air outlet valve body 21, and the depth of the creases 214 is gradually reduced along the air outlet direction of the air outlet valve body 21, as shown in fig. 6, because the cross section of the air outlet valve body 21 is substantially conical, the degree of bending deformation of the air outlet hole 211 is more serious, so that the depth of the creases far away from the air outlet hole 211 is deeper, the contraction degree is gradually changed, and the contraction sealing effect of the air outlet valve body 21 is better.

The reinforcing ribs 215 are arranged in the middle of the inclined plane 213, the reinforcing ribs 215 are approximately perpendicular to the crease 214, so that the phenomenon that the middle area is seriously collapsed can be avoided, the phenomenon that the air outlet hole 211 is completely sealed due to uneven contraction and pulling can be avoided.

In the present invention, the pump case includes a gas exhaust seat 111, a valve fixing seat 112, and a fixing frame 22;

the gas outlet seat 111 and the valve fixing seat 112 are connected to form a valve cavity a, the gas outlet opening 1111 is disposed on the gas outlet seat 111, the gas outlet through hole 1121 is disposed on the valve fixing seat 112, and the fixing frame 22 is disposed on the gas outlet seat 111.

When the driving end 121 is close to the valve cavity a, the fixing frame 22 is spaced from the outer circumference of the air outlet valve body 21 by a set distance, so that air can be exhausted through the air outlet hole 211 better.

When the driving end 121 is far away from the valve cavity a, the fixing frame 22 extrudes the periphery of the air valve body 21, so that the air valve body 21 contracts to close the air outlet hole 211, the effect of preventing the gas in the valve cavity a from flowing back and sealing reversely is good, and the air inlet and exhaust accuracy is higher.

Specifically, referring to fig. 6, the silent air pump further includes a slip ring 24, a slider 25 and a connecting frame 23.

A boss 1122 is provided around the air outlet through hole 1121, the connecting frame 23 is slidably connected to the boss 1122, the sliding direction is the same as the axial direction of the air outlet through hole 1121, and the connecting hole of the air outlet valve body 21 is connected to the connecting frame 23.

The valve fixing seat 112 is provided with a mounting groove, a radial sliding groove and an axial sliding groove, the mounting groove is used for mounting the connecting frame 23, the axial sliding groove is distributed around the periphery of the mounting groove, the radial sliding groove is communicated between the axial sliding groove and the mounting groove, a sliding ring 24 is arranged in the axial sliding groove in a sliding manner, and a sliding block 25 is arranged in the radial sliding groove in a sliding manner;

referring to fig. 9, a protrusion 241 for pressing the sliding block 25 to slide is disposed inside the sliding ring 24, a position-avoiding groove corresponding to the protrusion 241 may be disposed on the valve fixing base 112 for mounting the sliding ring 24, the protrusion 241 slides into the axial sliding groove through the position-avoiding groove, and after sliding into the axial sliding groove for a certain depth, the protrusion 241 slides into the radial sliding groove by rotating the sliding ring 24.

Of course, the slip ring 24 and the projection 241 may be provided as separate structures, and the two may be respectively mounted to the axial sliding groove and the radial sliding groove and then fixedly connected by bonding, welding, or the like.

When the driving end moves in the direction far away from the valve cavity, the sliding ring 24 slides to extrude the sliding block 25, so that the sliding block 25 extrudes the connecting frame 23 to slide in the direction close to the fixed frame 22, and the periphery of the air valve body 21 is extruded with the fixed frame 22.

The periphery of the air outlet valve body 21 is provided with a flange 212, the air outlet seat 111 is provided with an elastic column 29, the elastic column 29 in the embodiment can be composed of a telescopic column and a spring sleeved outside the telescopic column, and the elastic column 29 is used for extruding the flange 212 of the air outlet valve body 21 to enable the air outlet valve body 21 to be placed in the installation groove.

It should be noted that the connecting frame 23 is made of hard rubber with a certain deformation capability, and preferably has a structure with loose small holes inside, so that the slider 25 can extrude the connecting frame 23 to deform and move upward, so that the connecting frame 23 can always keep a better sealing condition with the inner wall of the mounting groove, and form a certain deformation, and meanwhile, the periphery of the air outlet valve body 21 in the embodiment is always close to a contact state with the fixed frame 22 in an ideal state, i.e. a small distance is formed, for example, an air pump with a pump shell diameter of 15-50mm, the periphery of the air outlet valve body 21 is within about 1mm from the fixed frame 22, and when the connecting frame 23 is driven to move upward, the periphery of the air outlet valve body 21 can be further extruded with the fixed frame 22, so that the air outlet valve body 21 deforms and contracts, thereby sealing the air outlet hole 211.

In addition, the pump case also includes a cylinder fixing seat 113, the air intake valve body 15 is an elastic cylindrical structure, and the air intake valve body 15 is fixed between the cylinder fixing seat 113 and the valve fixing seat 112.

The swing rod assembly 12 further comprises a rod body 123, the driving ends 121 are distributed on the periphery of one end of the rod body 123, the other end of the rod body 123 is connected with the eccentric wheel 17, the driving ends 121 are connected with the air inlet valve body 15, the rod body 123 is at a set inclination angle relative to a rotating shaft of the motor 13, the driving ends 121 are located at different height positions, and the motor 13 drives the rod body 123 to swing so that the driving ends 121 swing up and down to control air inlet and outlet of the silent air pump.

The connecting line 27 is arranged at one end of the slip ring 24 close to the air inlet valve body, and the connecting line 27 preferably has a certain elastic force, such as an elastic line with high strength and low deformation, so that when the air inlet valve body 15 descends to a set distance away from the lowest point, downward pulling force is generated on the slip ring 24, and further in the descending process of the air inlet valve body 15, the periphery of the air outlet valve body 21 can be rapidly extruded with the fixed frame 22 to rapidly seal the air outlet 211, and when the pressure of the early air outlet cavity B2 is low when the air inlet valve body 15 ascends, the air outlet valve body 21 gradually breaks away from the extrusion state with the fixed frame 22, and as the pressure of the air outlet cavity B2 gradually increases, the air outlet 211 can be opened to perform good air exhaust.

Be provided with connecting terminal 261 on the surface that is close to drive end 121 in the air intake valve body 15, connecting wire 27 and connecting terminal 261 sliding connection, the tip of connecting wire 27 is worn out to the outside between air outlet valve body 21 and the gas discharge seat 111, and connecting wire 27 fixes between air outlet valve body 21 and the gas discharge seat 111, and the in-process that air intake valve body 15 moved can be through connecting wire 27 pull the sliding ring 24 and remove, and then drive link 23 shifts up, makes the periphery and the fixed frame 22 extrusion that reach air valve body 21.

Specifically, the silent air pump in this embodiment further includes an adapter frame 26, the slip ring 24 is connected with a plurality of connecting wires 27, the adapter frame 26 is detachably connected to the inner surface of the air inlet valve body 15, the connecting terminal 261 is disposed on the adapter frame 26, the ends of the connecting wires 27 penetrate out from the same end of the adapter frame 26, and the ends of the connecting wires 27 penetrate out to the outside from between the air outlet valve body 21 and the air outlet seat 111.

Referring to fig. 10 and 11, the connection terminal 261 includes a first ring 2611 and a second ring 2612, one end of the first ring 2611 is connected to the adapter rack 26, the other end of the first ring is provided with a first curved arc portion bent inward, one end of the second ring 2612 is connected to the adapter rack 26, the other end of the second ring is provided with a second curved arc portion bent inward, and the first curved arc portion and the second curved arc portion are butted to form a gap 2613 used for the connection wire 27 to enter the connection terminal 261, so that the connection wire can be conveniently clamped into the connection terminal 261 and is not easy to slide out.

Wherein, be provided with buckle 154 on the admission valve body 15, buckle 154 can select the metal material, and intensity is high and durable, admission valve body 15 can integrated into one piece's parcel connect buckle 154, and adapter rack 26 can dismantle with buckle 154 and be connected.

Preferably, the silent air pump in this embodiment further includes an elastic rubber block 271, the connection line 27 penetrates through the elastic rubber block 271 to form a sliding connection, the elastic rubber block 271 is pressed and fixed between the air outlet valve body 21 and the valve fixing seat 112, so as to form a good seal, as shown in fig. 6, the middle portions of the top surface and the bottom surface of the elastic rubber block 271 are in an arc-shaped protruding structure, and the air outlet valve body 21 and the valve fixing seat 112 are provided with concave portions corresponding to the arc-shaped protruding structure, so that the elastic rubber block 271 can be positioned and pressed and fixed between the air outlet valve body 21 and the valve fixing seat 112.

The connecting wire 27 is generally longer, so that the adapter frame 26 and the air inlet valve body 15 can be fixedly connected conveniently, meanwhile, before the air outlet valve body 21 and the valve fixing seat 112 press and fix the elastic rubber block 271, the connecting wire 27 can be pulled to be tightened, and the connecting wire 27 with the excessive length can be wound on the winding drum 28.

Referring to fig. 12, an end of the connection line 27 having a larger cross-sectional area is disposed at an end of the connection line 27, a rotation shaft 2A is disposed on a side surface of the valve fixing seat 112, and a winding drum 28 for winding the connection line 27 is rotatably connected to the rotation shaft 2A, wherein, for convenience and clarity of fig. 12, the rotation shaft 2A is pulled out of the winding drum 28, a slot 281 for fastening the fastening end of the connection line 27 is disposed on the winding drum 28, the connection line 27 can be wound well after being fastened, an elastic washer 2C is disposed between the winding drum 28 and the side surface of the valve fixing seat 112, an outer end of the rotation shaft 2A is connected to a nut member 2B in a threaded manner, after the redundant connection line 27 is wound, the nut member 2B can be screwed to the rotation shaft 2A, and at this time, the nut member 2B can press the winding drum 28 to limit rotation of the winding drum 28.

In the invention, the fixed frame 22 comprises a frame body and an elastic body 223, the elastic body 223 is connected between the frame body and the gas exhaust seat 111, the frame body comprises a first annular ring 221, a second annular ring and a connecting rod 222 connected between the first annular ring 221 and the second annular ring, the first annular ring 221 is used for contacting with the periphery of the gas exhaust valve body 21, the elastic body 223 is wrapped and connected outside the second annular ring, and the gas exhaust seat 111 is provided with a connecting groove for fixedly connecting the elastic body 223, so that the gas exhaust of the gas outlet hole 211 is facilitated, and meanwhile, the detachable interference connection of the whole fixed frame 22 and the connecting groove of the gas exhaust seat 111 is facilitated.

The working principle of the silent air pump of the embodiment is as follows: the motor 13 rotates and drives the eccentric wheel 17 to rotate, then the driving end 121 on the peripheral side of the swing rod assembly 12 can be driven to swing up and down, in the descending process of the driving end 121, the adapter frame 26 descends, meanwhile, the connecting line 27 is pulled to pull the sliding ring 24 downwards, and further, the connecting frame 23 is driven to move upwards, so that the periphery of the obtained air valve body 21 is extruded with the fixed frame 22, the air outlet valve body 21 contracts to close the air outlet hole 211, meanwhile, the air inlet valve plate 153 can be opened to press external air into the air outlet cavity B2 through the air inlet valve body 15, the backflow of the air in the valve cavity A can be well prevented, the reverse sealing effect is good, and the air inlet and exhaust accuracy is higher;

in the ascending process of the driving end 121, the adapter frame 26 ascends along with the ascending, and meanwhile, the connecting line 27 is gradually loosened, when the pressure of the gas outlet cavity B2 in the early stage is lower when the gas inlet valve body 15 ascends, the gas outlet valve body 21 is gradually separated from the fixed frame 22 in an extrusion state, and the gas outlet hole 141 is opened along with the gradual increase of the pressure of the gas outlet cavity B2, so that the gas in the gas outlet cavity B2 is pressed out to the outside through the gas outlet hole 141 of the gas outlet valve body 14, and the gas is repeatedly circulated for gas inlet or outlet.

As follows, the third embodiment of the silent air pump according to the present invention is provided to solve the above technical problems, the air pump in this embodiment does not use an air outlet valve body, but the air inlet valve body is wrapped and connected at one end thereof to the connecting protrusion, so that the air pressure inside the air inlet valve body is increased, and the air is pressed out from the gap between the air inlet valve body and the connecting protrusion, and the silent air pump has high exhaust efficiency, good reverse sealing effect, and low noise.

Referring to fig. 13 and 14, the present invention provides a silent air pump, which includes a pump housing, an air intake valve 35, a swing link assembly 32 and a motor 33.

The pump case includes gas exhaust seat 311, cylinder fixing seat 312 and motor fixing seat 313, connects between gas exhaust seat 311 and the cylinder fixing seat 312 and forms the valve pocket, is provided with air outlet opening 3111 on gas exhaust seat 311, and the inboard of gas exhaust seat 311 is provided with connects convex part 3112, and long screw 36 runs through gas exhaust seat 311, cylinder fixing seat 312 and with motor fixing seat 313 fixed connection, locks the air intake valve body 35 between gas exhaust seat 311 and cylinder fixing seat 312 simultaneously.

The air intake valve body 35 is disposed between the air exhaust seat 311 and the cylinder fixing seat 312, and divides the valve cavity into an air intake cavity C1 and an air outlet cavity C2, the air outlet cavity C2 is communicated with the external space through an air outlet opening 3111, an air intake opening 3131 is disposed at the bottom of 313, the air intake opening 3131 is communicated with the air intake cavity C1 and the external space, an air cylinder cavity 351 is disposed inside the air intake valve body 35, an opening connected with the connecting protrusion 3112 is disposed at one end of the air intake valve body 35, and an air intake valve plate 352 is movably disposed at the other end of the air intake valve body.

The swing rod assembly 32 comprises a driving end 321 connected with the air inlet valve body 35, the air inlet valve bodies 35 form an integrated structure, the swing rod assembly 32 also comprises a plurality of driving ends 321 connected together, an air inlet through hole 322 communicated with the air inlet cavity and the air outlet cavity is formed in the driving end 321, the air inlet through hole 322 is movably sealed by the air inlet valve plate 352 and used for controlling unidirectional air inlet, the air in the air inlet cavity C1 is pressed into the air cylinder cavity 351 through the air inlet through hole 322 by the movement of the driving end 321, or the air in the air cylinder cavity C1 is pressed into the air outlet cavity C2 through a gap area between the air inlet valve body 35 and the connecting convex portion 3112.

The motor 33 is connected with the swing link assembly 32 through an eccentric wheel 34 for providing power for the swing link assembly 32.

According to the miniature silent air pump, one end of the air inlet valve body 35 is connected with the connecting convex part 3112 in a wrapping mode, the motor 33 rotates and drives the eccentric wheel 34 to rotate, then the driving end 321 on the peripheral side of the swing rod assembly 32 can be driven to swing up and down, the driving end 321 movably presses air in the air inlet cavity C1 into the air cylinder cavity 351 through the air inlet through hole 322, or presses air in the air cylinder cavity 351 into the air outlet cavity C2 through a gap area between the air inlet valve body 35 and the connecting convex part 3112, and the miniature silent air pump is high in exhaust efficiency, good in reverse sealing effect and low in noise.

The fourth embodiment of the silent air pump according to the present invention is provided to solve the above technical problems, wherein the same reference numerals are used for the same structures in the third embodiment, and the main structure difference is at Y in fig. 15, so that other structures can still refer to fig. 13-14.

The invention provides a mute air pump which comprises a pump shell, an air inlet valve body 41, a swing rod assembly 32 and a motor 33.

Referring to fig. 13, 15 and 16, the pump housing of the present embodiment includes a gas exhaust seat 311, a cylinder fixing seat 312 and a motor fixing seat 313, the gas exhaust seat 311 and the cylinder fixing seat 312 are connected to form a valve cavity, a gas outlet 3111 is disposed on the gas exhaust seat 311, a connecting protrusion 3112 is disposed on the inner side of the gas exhaust seat 311, and a long screw 36 penetrates through the gas exhaust seat 311 and the cylinder fixing seat 312 and is fixedly connected to the motor fixing seat 313, and simultaneously locks the gas inlet valve 41 between the gas exhaust seat 311 and the cylinder fixing seat 312.

The air intake valve body 41 is disposed between the air exhaust seat 311 and the cylinder fixing seat 312, and divides the valve cavity into an air intake cavity C1 and an air outlet cavity C2, the air outlet cavity C2 is communicated with the external space through an air outlet opening 3111, an air intake opening 3131 is disposed at the bottom of 313, the air intake opening 3131 is communicated with the air intake cavity C1 and the external space, the air cylinder cavity 411 is disposed inside the air intake valve body 41, an opening connected with the connecting protrusion 3112 is disposed at one end of the air intake valve body 41, and an air intake valve plate 415 is movably disposed at the other end of the air intake valve body 41.

Pendulum rod subassembly 32 includes the drive end 321 of being connected with the valve body 41 that admits air, a plurality of valve body 41 that admits air constitute structure as an organic whole, pendulum rod subassembly 32 also includes a plurality of drive ends 321 that link together, be provided with the intercommunication admit air chamber on the drive end 321 and go out the air inlet through-hole 322 of air cavity, admit air valve piece 415 movable seal admit air through-hole 322, be used for controlling one-way admitting air, the drive end 321 activity is with the gas in admitting air chamber C1 impress cylinder chamber 411 through admitting air through-hole 322, or with the gas in the cylinder chamber 411 extrude to go out in the air cavity C2 through the valve body 41 that admits air and the clearance district between the connection convex part 3112, high exhaust efficiency, reverse sealed effectual, and the noise is little.

Referring to fig. 18, the miniature silent air pump of the present embodiment further includes an air passage 42, the air passage 42 is slidably disposed in the cylinder cavity 411, and the air passage 42 is provided with an air transmission channel, wherein the driving end 321 is at an upper stop position when being closest to the air outlet seat, and the driving end is at a lower stop position when being farthest from the air outlet seat.

When the driving end moves to the set position in the upward stop movement direction, the air-bleed member 42 passes through the gap region, so that the cylinder chamber 411 communicates with the external space through the air delivery passage.

Further, the miniature silent air pump further includes a driving assembly and an elastic member 43, the elastic member 43 is disposed between the air vent 42 and the connection protrusion 3112, the air vent 42 is provided with a connection portion 426 for connecting the elastic member 43, one side of the air vent 42 is provided with a pressure receiving portion 423, and the driving assembly is connected to the air inlet valve body 41.

When the driving end moves to the set position in the upward stop movement direction, the driving assembly presses the pressed portion 423 to make the air vent 42 slide through the gap area, so that the gap area generates a gap through which air can flow out.

Preferably, as shown in fig. 18, a through groove 427 is provided on the inner wall of the vent 42 to penetrate vertically.

When the driving end moves to the upper stop position, the pressure receiving portion 423 is disconnected from the driving assembly, the elastic member 43 presses the vent member 42 to slide into the cylinder cavity 411, a seal is formed between the intake valve body 41 and the connecting protrusion 3112, and the clearance area is zero at this time, so that when the driving end 321 moves downward, a reverse seal is formed between the intake valve body 41 and the connecting protrusion 3112.

The elastic member 43 in this embodiment includes a spring and a tension line located inside the spring, one end of the tension line is connected to the connection protrusion 3112, the other end of the tension line is connected to the connection portion 426, the spring is compressed and connected between the connection protrusion 3112 and the connection portion 426, when the driving end 321 goes down to a certain position, the tension line can limit the air vent 42 to go down continuously, so that the driving block 44 of the driving assembly can go down and form a snap connection with the pressure receiving portion 423 again, and thus when the driving end 321 goes up, the driving assembly can drive the air vent 42 to move up.

Specifically, the ventilation member 42 includes ventilation bars 421 and a connection ring 422, the connection ring 422 is connected to one ends of the ventilation bars 421 close to the gas exhaust seat 311, a clearance groove 412 corresponding to the ventilation bar 421 is disposed at one end of the intake valve body 41 far from the connection protrusion 3112, the compression part 423 is disposed on the ventilation bar 421, and the gas transmission channel is disposed in the ventilation bar 421 and the connection ring 422.

When the driving end 321 moves to the upper stop position, the ventilation rod 421 slides into the avoiding groove 412, and the distance between the connection ring 422 and the clearance area is set, so that the connection ring 422 is separated from the clearance area immediately before the driving end 321 moves downwards, and a seal is formed between the intake valve body 41 and the connection protrusion 3112.

The air inlet 424 of the air transmission channel in this embodiment is disposed at a side of the air rod 421 facing away from the inner wall surface of the air inlet valve body 41, the air inlet 424 of this embodiment is located at the bottom end of the air rod 421, and the air outlet 425 of the air transmission channel is disposed at a side of the connecting ring 422 facing away from the avoiding groove 412.

Referring to fig. 16 and 17, the intake valve body 41 is an elastic cylindrical structure, the positioning groove is disposed on the periphery of the connecting protrusion 3112, the reinforcing rib 414 corresponding to the positioning groove is disposed on the intake valve body 41, so that the connection relationship between the intake valve body 41 and the connecting protrusion can be better maintained, the lateral outlet 413 is disposed on the intake valve body 41, when the driving end 321 moves to the upper stop position, the connecting ring 422 is disposed on the side of the reinforcing rib 414 close to the cylinder cavity 411, and the gas is output through the lateral outlet 413, and the connecting ring 422 starts to expand the gap area between the intake valve body 41 and the connecting protrusion 3112, so that the gas can be output more efficiently, and the gas transmission efficiency is high.

Referring to fig. 19, the driving assembly includes an elastic frame 45 and driving blocks 44 connected to the periphery of the elastic frame 45, and each driving block 44 is used for driving one ventilation bar 421.

When the driving end 321 moves to the upper stop position, the pressing portion presses the driving block 44 to be away from the pressure receiving portion 423, so that the air vent 42 slides into the cylinder cavity 411, specifically, the air vent rod 421 of the air vent 42 slides into the clearance groove 412 under the pressing of the elastic member 43.

When the driving end 321 moves to the lower stop position, under the elastic force of the elastic frame 45, the driving block 44 is clamped with the pressed part 423, so that the driving assembly can drive the ventilation piece 42 to move upwards when the driving end 321 moves upwards next time.

In this embodiment, a depressed groove 3113 is formed on a surface of the connection protrusion 3112 adjacent to the cylinder bore 411, the pressing portion is a slope surface formed on an inner wall of the depressed groove 3113, and the driving block 44 rotates by pressing the slope surface.

Referring to fig. 19, in particular, the elastic frame 45 in this embodiment includes a ring plate 451, a baffle 452 disposed on one side of the ring plate 451, and a spring 455 (the spring 455 is not all shown in fig. 19), the driving block 44 is rotatably disposed on the ring plate 451 and has a seat plate 454 for rotatably connecting the driving block 44 to the ring plate 451, the spring 455 is disposed between the driving block 44 and the baffle 452, the spring 455 is used for pressing the driving block 44 to rotate to engage with the pressure receiving portion 423, a screw passes through the ring plate 451 and the air intake valve body 41 to be fixedly connected to the driving end 321, and a through hole 456 for passing the screw is disposed on the ring plate 451.

A fixing groove 453 for positioning the connection spring 455 is provided on a side of the driving block 44 adjacent to the blocking plate 452, and the fixing groove 453 has a vertical size greater than that of the spring 455 in the orientation of fig. 19, so that the spring 455 has a certain adjustment space with respect to the fixing groove 453 when the driving block 44 rotates, and a fixing post for connecting with the spring 455 is provided on the blocking plate 452.

Further, a ball may be provided on the inclined surface, and a rubber layer 441 for contacting the ball is injection-molded on the driving block 44, so that the extrusion is more flexible and silent.

In the present invention, the gas exhaust seat is recessed from the outside to form an outer groove and an inner connecting protrusion 3112, the groove is provided to save material, and the silencing cotton 46 is filled in the groove to provide a silencing effect.

The working principle of the silent air pump of the embodiment is as follows: by connecting one end of the air inlet valve body 35 with the connecting convex portion 3112 in a wrapping manner, the motor 33 rotates and drives the eccentric wheel 34 to rotate, and then the driving end 321 on the peripheral side of the swing link assembly 32 can be driven to swing up and down,

referring to the view orientation of fig. 15, when the driving end 321 moves upward, the driving block 44 presses the pressure receiving portion 423 to drive the air venting member 42 to move upward, and the air venting member 42 slides through the gap area between the air intake valve body 35 and the connecting protrusion 3112, so that the gap area generates a gap through which air can flow out, and therefore air in the cylinder cavity 411 is exhausted, and the air exhausting is free of resistance and high in air exhausting efficiency.

When the driving end 321 moves to the upper stop position, the pressing portion presses the driving block 44 to make it far away from the pressed portion 423, the vent rod 421 slides into the avoiding groove 412 under the pressing of the elastic member 43 by the vent member 42, the connecting ring 422 is separated from the gap area, so that a seal is formed between the intake valve body 41 and the connecting protrusion 3112, and the intake valve plate 415 is opened while moving downwards, so that external air can be pressed into the cylinder cavity 411, and the air can be sucked or discharged in a reciprocating cycle manner.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. A silent air pump, comprising:

the pump shell comprises a valve cavity and a cylinder cavity;

when the driving end moves in the direction far away from the valve cavity, the air outlet valve body can automatically close the air outlet hole by contraction;

the pump shell comprises a gas discharge seat, a valve fixing seat and a fixing frame;

when the driving end is far away from the valve cavity, the fixing frame extrudes the periphery of the air outlet valve body, so that the air outlet valve body contracts to close the air outlet hole;

the mute air pump also comprises a slip ring, a slide block and a connecting frame;

the valve fixing seat is provided with a mounting groove, a radial sliding groove and an axial sliding groove, the mounting groove is used for mounting the connecting frame, the axial sliding groove is distributed around the mounting groove, the radial sliding groove is communicated between the axial sliding groove and the mounting groove, the sliding ring is arranged in the axial sliding groove in a sliding manner, and the sliding block is arranged in the radial sliding groove in a sliding manner;

2. The mute air pump according to claim 1, wherein two sides of the air outlet valve body are provided with inclined planes, and the two inclined planes are respectively located at two sides of the length direction of the air outlet hole, so that the air outlet valve body can be pressed by air pressure to close the air outlet hole;

3. The mute air pump according to claim 2, wherein a plurality of strip-shaped creases are distributed on the inclined plane, the extending direction of the creases is approximately perpendicular to the air outlet direction of the air outlet valve body, and the depths of the creases are gradually reduced along the air outlet direction of the air outlet valve body;

4. The mute air pump according to claim 3, wherein the pump case further comprises a cylinder fixing seat, the air intake valve body is an elastic cylindrical structure, and the air intake valve body is fixed between the cylinder fixing seat and the valve fixing seat;

5. The muting air pump according to claim 4, further comprising an adapter frame, wherein a plurality of connecting wires are connected to the slip ring, the adapter frame is detachably connected to the inner surface of the air inlet valve body, the connecting terminals are disposed on the adapter frame, the ends of the connecting wires penetrate out from the same end of the adapter frame, and the ends of the connecting wires penetrate out from between the air outlet valve body and the air outlet seat.

6. The mute air pump according to claim 5, wherein the connection terminal comprises a first ring body and a second ring body, one end of the first ring body is connected with the adapter frame, the other end of the first ring body is provided with a first curved portion bent inwards, one end of the second ring body is connected with the adapter frame, the other end of the second ring body is provided with a second curved portion bent inwards, and the first curved portion and the second curved portion are in butt joint to form a gap for the connection line to enter the inner side of the connection terminal.

7. The mute air pump according to claim 4, further comprising an elastic rubber block, wherein the connecting line penetrates through the elastic rubber block to form a sliding connection, and the elastic rubber block is pressed and fixed between the air outlet valve body and the valve fixing seat;