CN212079692U - Structure simplified air pump - Google Patents
Structure simplified air pump Download PDFInfo
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- CN212079692U CN212079692U CN202020520128.1U CN202020520128U CN212079692U CN 212079692 U CN212079692 U CN 212079692U CN 202020520128 U CN202020520128 U CN 202020520128U CN 212079692 U CN212079692 U CN 212079692U
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- 238000007664 blowing Methods 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses an air pump with simplified structure, which comprises a shell, an air blowing device, a microswitch and an operating component; wherein, the operating component is provided with two contact points which are arranged at intervals in a protruding way, and the two contact points are positioned in the shell; when the operating component rotates clockwise, the corresponding contact point touches the trigger part of the micro switch to start; when the operating component rotates anticlockwise, the corresponding other contact point touches the trigger part of the micro switch to start; the blower device changes the working state of the blower device along with the rotation of the operating component. The operating component is rotated, the two contact points respectively touch the micro switch to control the operation of the air blowing device, the air blowing device rotates by a certain angle along with the operating component, the switching of different modes is realized, and compared with the structure of the operating component of the traditional air pump, the parts of the air blowing device are greatly reduced, the cost is saved, the structure is simplified, the inner cavity occupation space of the air pump is reduced, and the air blowing device is more beneficial to the flowing of air.
Description
Technical Field
The utility model relates to an air pump and field technique especially indicate a simplified structure type air pump.
Background
The air pump is a key part of various inflatable objects (such as inflatable mattresses, inflatable trampolines, inflatable sofas, inflatable toys and the like), is arranged on the inner side of a soft bag body of the inflatable objects, and can carry out operations of quick inflation, pressure maintaining, quick deflation and the like on the inflatable objects by utilizing the air pump so as to realize the functions of normal use and deflation, reduction of space volume, convenience for storage and the like of the inflatable objects by inflation and expansion.
The operating element who control in traditional air pump aerifys and bleed is two kinds, and the first kind is realized for a plurality of spare parts linkage cooperations such as gear, connecting rod, and this operating element spare part is many, and the cost that corresponds is higher, occupies the inner space of air pump. The other operation component is realized by fixing the motor on the rack and controlling the rack to rotate through the knob to realize the switching of modes, and the rack can be made larger because the knob directly acts on the rack and simultaneously satisfies the condition that the motor is arranged on the rack, thereby occupying the inner space of the air pump and being not beneficial to the flow of air.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an air pump with simplified structure, which effectively solves the problem that the operation component of the existing air pump occupies the inner space of the air pump, thereby facilitating the flow of air, and solves the problem that the existing air pump has high cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a structure simplified air pump comprises a shell, a blowing device, a microswitch and an operating part, wherein the blowing device is positioned in the shell and used for blowing outside air into an object to be inflated or pumping the air in the object to be inflated out of the outside; the shell is provided with a first air port and a second air port, the first air port is communicated between the outside and the inner cavity of the shell, the second air port is communicated between the inflatable object and the inner cavity of the shell, an air valve is arranged at the second air port, and the air valve is plugged at the second air port in an opening and closing manner; wherein,
the operating component extends outwards to form two contact points which are arranged at intervals and are positioned in the shell; the micro switch is positioned beside the two contact points, and when the operating component rotates clockwise, the corresponding contact point touches the trigger part of the micro switch to start; when the operating component rotates anticlockwise, the corresponding other contact point touches the trigger part of the microswitch to start; the air blowing device is arranged on the operation component and changes the working state of the air blowing device along with the rotation of the operation component.
As a preferred scheme, the operating component comprises a knob and a trigger piece, the knob is rotatably arranged on the shell and exposed out of the shell, and a connecting column is arranged at the central position of the bottom surface of the knob in a downward protruding mode; the top surface of the trigger piece is convexly provided with a column upwards, the upper surface and the lower surface of the column are penetrated with a connecting groove matched with the connecting column, the connecting column is inserted into the connecting groove for fixed installation, the trigger piece rotates along with the knob, and the two contact points are positioned on the trigger piece; and the bottom surface of the trigger piece is concavely provided with a positioning groove, and the top surface of the air blowing device extends into the positioning groove for positioning.
As a preferred scheme, the bottom surface of the knob protrudes downwards to form a buckle for preventing the knob from being separated from the shell, and the buckle is abutted against the bottom surface of the top end of the shell.
As a preferred scheme, the bottom surface of the knob protrudes downwards to form a positioning column, correspondingly, the top surface of the top end of the shell is concavely provided with an arc-shaped sliding groove, and the positioning column extends into the arc-shaped sliding groove and rotates back and forth in the arc-shaped sliding groove.
Preferably, the blower device comprises a motor, a frame and an impeller; the top surface of the motor extends into the positioning groove for positioning, a positioning table is protruded upwards from the middle position of the top surface of the motor, and the positioning table extends into the lower end of the connecting groove for positioning; the frame is fixed at the lower end of the motor, the frame is provided with a first air chamber and a second air chamber, the first air chamber is communicated with the second air chamber, and the output shaft of the motor extends into the first air chamber; the second air chamber is communicated with the first air port through an air passing port; a first air guide opening and a second air guide opening which are used for switching the first air chamber or the second air chamber to be communicated with the second air opening in a staggered mode are formed in the side face of the rack, the first air guide opening is communicated with the first air chamber, and the second air guide opening is communicated with the second air chamber; the impeller is arranged on an output shaft of the motor and is positioned in the first air chamber, and the motor drives the impeller to rotate.
As a preferable scheme, a wave-shaped abutting-pushing slope surface is arranged on one side edge of the top surface of the frame, and the inner end of the air valve abuts against the abutting-pushing slope surface.
As a preferred scheme, a blocking platform for blocking the air passing port is convexly arranged on the bottom surface of the inner cavity of the shell, the blocking platform and the air passing port are staggered in an inflated state, and the air passing port is communicated with the first air port; and under the air exhaust state, the blocking table blocks the air passing opening.
As a preferred scheme, a positioning round table protrudes downwards from the bottom surface of the rack, correspondingly, a round groove is concavely arranged on the bottom surface of the inner cavity of the shell, and the positioning round table extends into the round groove for positioning.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the operating component is rotated, the two contact points respectively touch the micro switch to control the operation of the air blowing device, the air blowing device rotates by a certain angle along with the operating component, the switching of different modes is realized, and compared with the structure of the operating component of the traditional air pump, the parts of the air blowing device are greatly reduced, the cost is saved, the structure is simplified, the inner cavity occupation space of the air pump is reduced, and the air blowing device is more beneficial to the flowing of air.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;
FIG. 2 is a partially exploded view of the preferred embodiment of the present invention;
fig. 3 is a fully exploded view of the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present invention;
fig. 5 is another angular cross-sectional view of the preferred embodiment of the present invention;
FIG. 6 is a perspective view of the knob in the preferred embodiment of the present invention;
fig. 7 is a perspective view of the trigger of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. housing 101, first air port
102. Second air port 103, arc chute
104. Circular groove 11 and blocking table
20. Blower 21 and motor
22. Frame 201, first air chamber
202. Second air chamber 203, air vent
204. First air guide opening 205 and second air guide opening
221. Push against the slope 222 and the circular table
23. Impeller 30 and microswitch
31. Trigger unit 40 and operation member
41. Knob 411, connecting column
412. Fastener 413 and positioning column
42. Trigger 421, platform post
422. Connecting groove 423, positioning groove
401. Contact point 50, air valve.
Detailed Description
Referring to fig. 1 to 7, a specific structure of a preferred embodiment of the present invention is shown, which includes a housing 10, a blower 20 located in the housing for blowing outside air into an object to be inflated or exhausting air from the object to be inflated, a micro switch 30 located in the housing for controlling a working state of the blower, and an operating member 40 rotatably disposed on the housing for triggering the micro switch.
The housing 10 has a first air port 101 and a second air port 102, the first air port 101 is connected between the outside and the inner cavity of the housing, the second air port 102 is connected between the inflation material and the inner cavity of the housing, an air valve 50 is disposed at the second air port 102, and the air valve 50 is sealed at the second air port 102 in an opening and closing manner. And the top end of the casing 10 is exposed to the outside, i.e. the first air inlet 101 is exposed to the outside.
Wherein, the operating member 40 projects outwardly with two contact points 401 arranged at intervals, and the two contact points 401 are located in the housing 10. The microswitch 30 is positioned beside the contact points 401, and when the operating member 40 is rotated clockwise, the corresponding contact point 401 touches the trigger 31 of the microswitch 30 to be activated. When the operating member 40 is rotated counterclockwise, the corresponding other contact point 401 touches the trigger 31 of the microswitch 30 and is activated. Touch micro-gap switch 30 through the mode that directly adopts contact point 401, replaced other structures such as traditional gear cooperation, the utility model discloses the structure is simplified more, has practiced thrift the cost, has reduced the usage space of inner chamber simultaneously.
In the present embodiment, the operation member 40 includes a knob 41 and a trigger 42, the knob 41 is rotatably disposed on the housing 10 and exposed out of the housing 10, and a connection column 411 is downwardly protruded from a central position of a bottom surface of the knob 41. The top surface of the trigger 42 is provided with a pillar 421 protruding upwards, the upper and lower surfaces of the pillar 421 are penetrated with a connecting groove 422 matching with the connecting pillar, the connecting pillar 411 is inserted into the connecting groove 422 for fixed installation, the trigger 42 rotates along with the knob 41, and the two contact points 401 are located on the trigger 42. And a positioning groove 423 is concavely formed on a bottom surface of the trigger 42, and a top surface of the blower 20 is inserted into the positioning groove 423 to be positioned. And the bottom surface of the knob 41 is protruded with a buckle 412 for preventing the knob from separating from the housing, and the buckle 412 is pressed against the bottom surface of the top end of the housing 10. A positioning column 413 protrudes downwards from the bottom surface of the knob 41, correspondingly, an arc-shaped sliding groove 103 is concavely arranged on the top surface of the top end of the housing 10, and the positioning column 413 extends into the arc-shaped sliding groove 103 and rotates back and forth in the arc-shaped sliding groove 103 to form rotation within a range.
The blower 20 is provided on the operation member 40, and changes the operation state of the blower 20 according to the rotation of the operation member 40. The blower 20 comprises a motor 21, a frame 22 and an impeller 23; the top surface of the motor 21 extends into the positioning groove 423 for positioning, and a positioning table 211 protrudes upwards from the central position of the top surface of the motor 21, and the positioning table 211 extends into the lower end of the connecting groove 422 for positioning. The frame 22 is fixed to the lower end of the motor 21, the frame 22 has a first air chamber 201 and a second air chamber 202, the first air chamber 201 and the second air chamber 202 are communicated, and the output shaft of the motor 21 extends into the first air chamber 201. And the second air chamber 202 communicates with the above-mentioned first air port 101 through the air passing port 203. And a first air guiding opening 204 and a second air guiding opening 205 for switching the first air chamber 201 or the second air chamber 202 to be communicated with the second air opening 102 in a staggered manner are arranged on the side surface of the rack 22, the first air guiding opening 204 is communicated with the first air chamber 201, and the second air guiding opening 205 is communicated with the second air chamber 202. The impeller 23 is mounted on the output shaft of the motor 21 and is located in the first air chamber 201, the motor 21 drives the impeller 23 to rotate, and the impeller 23 is opposite to the second air chamber 202.
A wave-shaped abutting slope surface 221 is arranged on one side edge of the top surface of the frame 22, and the inner end of the air valve 50 abuts against the abutting slope surface 221. A blocking platform 11 for blocking the air passing port is convexly arranged on the bottom surface of the inner cavity of the shell 10, the blocking platform 11 and the air passing port 203 are staggered in an inflated state, and the air passing port 203 is communicated with the first air port 101; in the air-extracting state, the blocking table 11 blocks the air passing opening 203. A positioning circular platform 222 protrudes downwards from the bottom surface of the frame 22, correspondingly, a circular groove 104 is concavely formed on the bottom surface of the inner cavity 10 of the housing, and the positioning circular platform 222 extends into the circular groove 104 for positioning.
Detailed description the working principle of the present embodiment is as follows:
during inflation, the knob 41 is manually rotated to an inflation gear (invert), the corresponding contact point 401 on the trigger 41 connected with the knob 41 triggers the micro switch 30, the micro switch 30 controls the blower device 20 to start working, and when the knob 41 is rotated, the trigger 42 drives the blower device 20 to rotate counterclockwise by a certain angle, so that the blocking platform 11 and the air passing opening 203 are staggered, namely, the air passing opening 203 is communicated with the first air inlet 101, the second air guiding opening 205 and the second air inlet 102 are staggered and abut against the inner wall of the shell 10 to be blocked, namely, the first air guiding opening 204 and the second air inlet 102 are just communicated. The motor 22 drives the impeller 23 to rotate, external air enters an inflatable object through the first air port 101, the inner cavity of the shell, the air passing port 203, the second air chamber 202, the first air chamber 201, the first air guide port 204 and the second air port 102 in sequence to realize inflation, and the air valve 50 is opened under the action of wind power.
During the pressurize, the knob 41 is rotated to the closing gear (off) manually, the contact point 401 on the trigger 42 is not touching the trigger part 31 of the micro switch 30, so that the micro switch 30 controls the blower device 20 to stop working, at the moment, the air pressure in the inflation object is far greater than the external air pressure, the air valve 50 blocks the second air port 102 under the action of the air pressure difference, the air is prevented from flowing, and the pressurize is realized.
During air suction, the knob 41 is manually rotated to an air suction gear (deflate), the microswitch 30 is triggered by the other corresponding contact point 401 on the trigger 41 connected with the knob 41, the air blowing device 20 is controlled by the microswitch 30 to start working, and when the knob 41 is rotated, the trigger 42 drives the air blowing device 20 to rotate clockwise by a certain angle, so that the air passing opening 203 is blocked by the blocking platform 11, the second air guiding opening 205 is in direct alignment communication with the second air opening 102, namely the first air guiding opening 204 and the second air opening 102 are in staggered sealing, and the first air guiding opening 204 is communicated with the first air opening 101; during rotation of the knob 41, the air valve 50 is opened by the pushing ramp 221. The motor 22 drives the impeller 23 to rotate, and air in the inflatable object is pumped out of the outside through the second air port 102, the second air guide port 205, the second air chamber 202, the first air chamber 201, the first air guide port 204, the inner cavity of the shell and the first air port 101 in sequence, so that exhaust is realized.
The utility model discloses a design focus lies in:
the operating component is rotated, the two contact points respectively touch the micro switch to control the operation of the air blowing device, the air blowing device rotates by a certain angle along with the operating component, the switching of different modes is realized, and compared with the structure of the operating component of the traditional air pump, the parts of the air blowing device are greatly reduced, the cost is saved, the structure is simplified, the inner cavity occupation space of the air pump is reduced, and the air blowing device is more beneficial to the flowing of air.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. A structure simplified air pump comprises a shell, a blowing device, a microswitch and an operating part, wherein the blowing device is positioned in the shell and used for blowing outside air into an object to be inflated or pumping the air in the object to be inflated out of the outside; the shell is provided with a first air port and a second air port, the first air port is communicated between the outside and the inner cavity of the shell, the second air port is communicated between the inflatable object and the inner cavity of the shell, an air valve is arranged at the second air port, and the air valve is plugged at the second air port in an opening and closing manner; the method is characterized in that:
the operating component extends outwards to form two contact points which are arranged at intervals and are positioned in the shell; the micro switch is positioned beside the two contact points, and when the operating component rotates clockwise, the corresponding contact point touches the trigger part of the micro switch to start; when the operating component rotates anticlockwise, the corresponding other contact point touches the trigger part of the microswitch to start; the air blowing device is arranged on the operation component and changes the working state of the air blowing device along with the rotation of the operation component.
2. The air pump of claim 1, wherein: the operating component comprises a knob and a trigger piece, the knob is rotatably arranged on the shell and exposed out of the shell, and a connecting column is arranged at the central position of the bottom surface of the knob in a downward protruding mode; the top surface of the trigger piece is convexly provided with a column upwards, the upper surface and the lower surface of the column are penetrated with a connecting groove matched with the connecting column, the connecting column is inserted into the connecting groove for fixed installation, the trigger piece rotates along with the knob, and the two contact points are positioned on the trigger piece; and the bottom surface of the trigger piece is concavely provided with a positioning groove, and the top surface of the air blowing device extends into the positioning groove for positioning.
3. The air pump of claim 2, wherein: the bottom surface of the knob protrudes downwards to form a buckle which prevents the knob from being separated from the shell, and the buckle is abutted against the bottom surface of the top end of the shell.
4. The air pump of claim 2, wherein: the bottom surface of the knob stretches out downwards to form a positioning column, correspondingly, an arc-shaped sliding groove is concavely arranged on the top surface of the top end of the shell, and the positioning column stretches into the arc-shaped sliding groove and rotates back and forth in the arc-shaped sliding groove.
5. The air pump of claim 2, wherein: the blower device comprises a motor, a frame and an impeller; the top surface of the motor extends into the positioning groove for positioning, a positioning table is protruded upwards from the middle position of the top surface of the motor, and the positioning table extends into the lower end of the connecting groove for positioning; the frame is fixed at the lower end of the motor, the frame is provided with a first air chamber and a second air chamber, the first air chamber is communicated with the second air chamber, and the output shaft of the motor extends into the first air chamber; the second air chamber is communicated with the first air port through an air passing port; a first air guide opening and a second air guide opening which are used for switching the first air chamber or the second air chamber to be communicated with the second air opening in a staggered mode are formed in the side face of the rack, the first air guide opening is communicated with the first air chamber, and the second air guide opening is communicated with the second air chamber; the impeller is arranged on an output shaft of the motor and is positioned in the first air chamber, and the motor drives the impeller to rotate.
6. The air pump of claim 5, wherein: the side edge of the top surface of the frame is provided with a wavy push slope surface, and the inner end of the air valve is propped against the push slope surface.
7. The air pump of claim 5, wherein: a blocking platform for blocking the air passing port is convexly arranged on the bottom surface of the inner cavity of the shell, the blocking platform and the air passing port are staggered in an inflated state, and the air passing port is communicated with the first air port; and under the air exhaust state, the blocking table blocks the air passing opening.
8. The air pump of claim 5, wherein: the bottom surface of the frame protrudes downwards to form a positioning round platform, correspondingly, a round groove is concavely formed in the bottom surface of the inner cavity of the shell, and the positioning round platform extends into the round groove for positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020520128.1U CN212079692U (en) | 2020-04-10 | 2020-04-10 | Structure simplified air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020520128.1U CN212079692U (en) | 2020-04-10 | 2020-04-10 | Structure simplified air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079692U true CN212079692U (en) | 2020-12-04 |
Family
ID=73595600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020520128.1U Active CN212079692U (en) | 2020-04-10 | 2020-04-10 | Structure simplified air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079692U (en) |
-
2020
- 2020-04-10 CN CN202020520128.1U patent/CN212079692U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231215 Address after: 314000 No. 18, Wuyi Road, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Zhe Jiang Hong Zhu Plastic & Hardware Co.,Ltd. Address before: Dongguan Hubang Hardware Plastic Products Co., Ltd., Xiagang Industrial Management Zone, Chang'an Town, Dongguan City, Guangdong Province Patentee before: Dongguan Tiger Point, Metal & Plastic Products Co.,Ltd. |
|
| TR01 | Transfer of patent right |