JP2002106467A - Traverse mechanism driving type fluid pump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ultra-slim fluid pump capable of varying the fluid supply amount per unit time and reducing occurrence of noise. SOLUTION: A traverse cam 70 having a traverse groove 74 is fitted to a motor shaft 81, and a traverse movable body 72 is fitted to the outer periphery of the cam 70. A traverse slider 71 loosely fitted to the groove 74 is fitted into the movable body 72, and a flexible operation member 60 is connected to the movable body 72 to make a pump body which is housed in a casing 90. Further, the casing 90 is connected to a valve housing 51 having a suction valve, a air release valve 62, an inflow port 52 and an outflow port 53.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pump having a flexible actuating member (for example, bellows, diaphragm) and particularly applied to a compressible fluid (for example, air, flammable gas, or inert gas). More specifically, the present invention relates to a micro traverse mechanism driven fluid pump that converts the rotational movement of an electric motor into a reciprocating movement by a traverse mechanism and drives a flexible operating member.

[0002]

2. Description of the Related Art Conventionally, an ultra-compact compressible fluid pump, for example, has an electromagnetic solenoid (single-phase AC electromagnet) and an AC ground voltage (AC) of 100 V and a frequency of 50 Hz or 60 H.
z, etc., to excite (alternate magnetic flux) the plunger (movable iron core) provided in the electromagnetic solenoid to reciprocate (attraction force at twice the power supply frequency). There is known an electromagnetic fluid pump which pressurizes and sends a compressible fluid by reciprocating a flexible operating member with a driving force of the plunger.

More specifically, a micro electromagnetic fluid pump 10 which is an embodiment of the electromagnetic fluid pump (see FIG. 1).
Is a check valve (for example, a check valve for rejecting outside air and rejecting outside air, a reed valve, etc.) 30 (for example, an EPT) and a collar (valve retainer). ) 31, the inlet 12 and the outlet 13
A flexible operating member (for example,
A bellows such as an EPT, a diaphragm) 20 is connected, and a convex head of a plunger (movable iron core) 40 of a magnetic member is fitted into a recess forming portion 21 substantially at the center of the flexible operating member 20.
The valve body 14 together with a coil spring 41 (for example, a stainless steel wire) which constantly urges the plunger 40.
The valve body 14 is screwed, and a copper wire 42 (for example, enamel wire) called a magnet wire is wound around a cylindrical bobbin 43 (for example, PA resin) on the outer periphery of the valve body 14, and a terminal piece 44 (for example, , A faston terminal # 250) and a lead wire (electric wire) (for example, soldering, fusing, spot welding, or laser welding). FIG. 1 is a perspective view of an ultra-small electromagnetic fluid pump 10 which is an embodiment of the electromagnetic fluid pump, FIG. 2 is a plan view thereof, and FIG. 3 is a sectional view taken along line AA of FIG. Figure).

[0004]

However, the ultra-compact electromagnetic fluid pump 10 has problems in generating noise such as low-frequency noise, electromagnetic vibration noise, and resonance noise of a box of a device equipped with the pump. There was a point. In addition, since the reciprocating motion of the flexible operating member 20 is fixed at twice the frequency of the power supply, there is also a problem that the amount of fluid supplied per unit time cannot be changed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to make it possible to vary the amount of fluid supplied per unit time and reduce noise generation. It is an object of the present invention to provide a very small fluid pump.

[0006]

In order to achieve the above-mentioned object, a micro fluid pump according to the present invention is a single fluid pump, which is provided with a traverse groove (traverse slider provided on a peripheral wall) on one side of a motor shaft. Infinitely curved groove [for example, a curved groove that returns to its original position after making a round] or a reciprocating spiral groove [a groove formed by intersecting spiral grooves in opposite directions on the outer peripheral surface] )), A traverse cam (shaft), and a traverse movable body (which reciprocates in a fixed stroke on the traverse cam in the axial direction) around the traverse cam. A traverse slider (a convex piece) is loosely fitted in the movable traverse body, and a flexible operating member is coupled to the movable traverse body to form a pump body, and the pump body is housed in a casing. Intake valve (outside air A valve housing having an inlet and an outlet having a check valve, a reed valve, etc. for sealing in and inside air, and a discharge valve (a check valve, a reed valve, etc. for shutting off inside air and sucking outside air) and the casing are connected to the casing. It is characterized by being combined.

Alternatively, a traverse movable body is mounted on one side of an electric motor shaft having a traverse groove, a traverse slider loosely fitted in the traverse groove is provided in the traverse movable body, and the traverse movable body is flexible. A pump body is combined with the operating member, the pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve and having an inlet and an outlet is connected to the casing.

[0008] The micro fluid pump of the present invention comprises:
As a dual fluid pump (effective use of the motor shaft), a hollow cylindrical traverse cam having traverse grooves on both sides of the motor shaft is mounted, a traverse movable body is mounted on the traverse cam, and a play is provided in the traverse groove. A traverse slider to be fitted is housed in the movable traverse body, and a flexible operating member is connected to the movable traverse body to form a dual pump body. The dual pump body is housed in a casing, and an intake valve is provided. And a valve housing having an exhaust valve is connected to both sides of the casing.

Alternatively, a traverse movable body is mounted on both sides of an electric motor shaft having a traverse groove, and a traverse slider that is loosely fitted to the traverse cam is provided inside the traverse movable body, and the traverse movable body is flexible. Combine the operating members and 2
A double pump body is provided, wherein the double pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve is connected to both sides of the casing.

Alternatively, a hollow cylindrical traverse cam having a traverse groove is mounted on one side of the motor shaft, a traverse movable body is mounted on the traverse cam, and a traverse movable body is mounted on one side of the motor shaft having the traverse groove. A traverse slider, which is fitted around the traverse groove and is loosely fitted in the traverse groove, is provided inside the movable traverse body, and a flexible operating member is connected to the movable traverse body to form a double pump body.
A valve housing containing an interlocking pump body and having an intake valve and an exhaust valve is connected to both sides of the casing.

In the details, an inlet and an outlet are provided on both valve housings connected to the casing. Alternatively, one or a plurality of communication holes are formed in the casing, and the pipes to the two intake valves and / or the pipes to the two exhaust valves are communicated with each other, so that two one-side valves coupled to the casing are provided. The housing is provided with an inflow port and / or an outflow port.

Alternatively, one or a plurality of communication holes are formed in the casing, and the conduit to the two intake valves and the conduit to the two exhaust valves are communicated with each other so that the inlet and the outlet are connected to the casing. It is characterized by having been provided.

For example, in a motor, a DC motor,
Individual functions (mechanism) of AC motor, pulse motor, stepping motor, motor with reduction gear, motor and reduction gear, etc.
, A motor with a slip mechanism, a motor with a magnetic clutch mechanism, a motor with an encoder mechanism, and the like, as long as it can mechanically drive a hollow cylindrical traverse cam or the like. When a high torque is required as a dual fluid pump, two electric motors or the like may be connected in series or in parallel, or two independent electric motors or the like may be arranged.

[0014]

Embodiments of the present invention will be described with reference to the drawings. FIG. 4 is a front sectional view of the traverse mechanism type fluid pump 50 according to the first embodiment of the present invention. The micro fluid pump 50 according to the first embodiment of the present invention is a single-unit fluid pump, and is a casing 90 (for example, ABS resin).
A motor cover 91 (for example, ABS resin) is fitted to
An electric motor 80 is fitted into the casing 90 and the electric motor 80
Hollow cylindrical traverse cam 70 (for example, a stainless steel rod, POM
Resin, PPS resin), a traverse cam 70 with a traverse movable body 72 (for example, POM resin), and a traverse slider 71 (for example, a stainless steel rod) that is loosely fitted in the traverse groove 74. , POM resin, and PPS resin) are provided inside the traverse movable body 72, the traverse movable body 72 is covered with a lid 75 to prevent the traverse slider 71 from jumping out, and the traverse movable body 72 is provided with a flexible operating member 60 ( For example, a cloth-filled EPT) is connected with a screw 73,
Intake and exhaust valves 62 (eg, EPT) and collar 63
(For example, POM resin), and the inlet 52 and the outlet 5
3 (for example, POM resin)
Was connected to the casing 90 (for example, screwed).

The micro fluid pump 50 according to the first embodiment of the present invention is configured such that when the electric motor 80 rotates (for example, rotates clockwise),
The hollow cylindrical traverse cam 70 rotates, and the traverse movable body sliding guide groove 93 (the traverse movable body rotation prevention wall 94).
(The gap between the traverse movable body 72 and the traverse movable body rotation preventing wall 94) so that the traverse movable body 72 does not rotate. As a result, the traverse movable body 72 reciprocates on the traverse cam 70 and the traverse movable body sliding guide groove 93 with a constant stroke, and the flexible operating member coupled to the traverse movable body 72 in conjunction with the traverse cam 70. 60 reciprocates, the outside air is suctioned by the operation of the intake valve, and the inside air is discharged (pressurized supply of compressible fluid: for example, 3 liters per minute at 5 kPa) by the operation of the exhaust valve.

The electric motor 80 can change the applied voltage arbitrarily from a low-speed rotation (for example, 0 to 3000 rpm) to a high-speed rotation (for example, 6000 to 15000 rpm), so that the supply amount of fluid per unit time is variable. If the rotation is maintained at a low speed, noise generation can be reduced. The electric motor 80 employs a general-purpose small DC motor that rotates by applying a voltage from a battery or the like. However, when a large torque is required, a DC power supply (for example, AC ground voltage 1) is used.
A general-purpose DC motor or the like that applies 00 V and a full-wave rectified frequency of 50 Hz or 60 Hz may be employed.
Further, a brushless motor or the like may be adopted in consideration of maintainability.

FIG. 6 is a perspective view of a traverse groove 74 formed in the hollow cylindrical traverse cam 70 of one embodiment.
(A) shows one embodiment of the traverse groove 74-1 in which the traverse movable body 72 reciprocates once when the hollow cylindrical traverse cam 70-1 makes one rotation, and (b) shows a hollow cylinder. When the traverse cam 70-2 makes one rotation,
A traverse groove 74 in which the traverse movable body 72 reciprocates two times.
FIG. 3C shows a traverse groove 74-3 in which the traverse movable body 72 makes one reciprocating motion when the hollow cylindrical traverse cam 70-3 makes two rotations. It is an example. By changing the lead and lead angle of the traverse groove 74, or changing the stroke amount of the reciprocating sliding of the traverse slider 71, the supply amount of the fluid per unit time can be changed. The lead is the distance traveled in the axial direction when making a round around the axis along the vine winding of the screw. The lead angle is defined as the tangent of the vine winding of the screw perpendicular to the axis of the vine winding. The angle between the plane and the plane.

FIG. 5 is a front sectional view of a traverse mechanism type fluid pump 55 according to a second embodiment of the present invention. The micro fluid pump 55 according to the second embodiment of the present invention is a single fluid pump in which a motor cover 92 (for example, ABS resin) is fitted to a casing 90 (for example, ABS resin), and the casing 90 is attached to the casing 90 (for example, ABS resin). The electric motor 83 is inserted and the traverse movable body 72 (for example,
A traverse slider 71 (for example, a stainless steel rod, P
OM resin, PPS resin) is provided inside the traverse movable body 72, the traverse movable body 72 is covered with a lid 75 to prevent the traverse slider 71 from popping out, and the traverse movable body 72 is provided with a flexible operating member 60 (for example, , Cloth-filled EPT) with screws 73 and the like, and the intake valve and the exhaust valve 62 (for example, E
A valve housing 51 (for example, POM resin) having an inlet 52 and an outlet 53 having a PT), a collar 63 (for example, POM resin), and an inlet 52 and an outlet 53 is coupled to the casing 90.

The micro fluid pump 55 according to the second embodiment of the present invention is configured such that when the electric motor 83 rotates (eg, rotates clockwise),
The traverse movable body 72 is prevented from rotating by the traverse movable body sliding guide groove 93 (gap between the traverse movable body rotation prevention wall 94 and the traverse movable body rotation prevention wall 94), so that the electric motor shaft is provided. The traverse slider 71 loosely fitted in the traverse groove 74 slides, and as a result, the traverse movable body 72 reciprocates on the motor shaft 82 and in the traverse movable body sliding guide groove 93 with a fixed stroke. The flexible actuating member 60 connected to the traverse movable body 72 reciprocates in conjunction therewith, the outside air is taken in by the actuation of the intake valve, and the inside air is exhausted by the actuation of the exhaust valve (pressurized supply of compressible fluid: for example 5 kPa). 3 liters per minute).

The motor 83 can change the applied voltage arbitrarily from a low-speed rotation (for example, 0 to 3000 rpm) to a high-speed rotation (for example, 6000 to 15000 rpm), so that the supply amount of fluid per unit time is variable. If the rotation is maintained at a low speed, noise generation can be reduced. The motor 83 employs a custom small DC motor that rotates by applying a voltage from a battery or the like. However, when a large torque is required, a DC power supply (for example, AC ground voltage 100 V, frequency 50 Hz or 60 Hz is full-wave rectified). A custom DC motor or the like for applying the above. Further, a brushless motor or the like may be adopted in consideration of maintainability.

Further, by changing the lead and the lead angle of the traverse groove 74 and the stroke amount of the reciprocating sliding of the traverse slider 71, the supply amount of the fluid per unit time can be changed.

FIG. 7 is a front sectional view of a traverse mechanism type fluid pump 96 according to a third embodiment of the present invention. The micro fluid pump 96 according to the third embodiment of the present invention is a dual fluid pump, which is a casing 95 (for example, ABS resin. A pipe to two intake valves and a pipe to two exhaust valves are connected to each other). One or more communication holes may be formed in the casing 95 so as to communicate with each other, or the casing 95 may be provided with an inflow port and / or an outflow port which is an entrance and exit of the communication hole.)
0 (Press-fit or insert molding may be used),
Traverse grooves 74 are provided on both sides of the motor shaft 81 of the motor 80.
The hollow cylindrical traverse cams 70 (for example, stainless steel rods, POM resin, PPS resin) having the following are individually mounted, and the traverse cams 70 are individually mounted with the traverse movable bodies 72 (for example, POM resin). The traverse groove 7
A traverse slider 71 (for example, a stainless steel bar, POM resin, or PPS resin) that is loosely fitted to the traverse slider 71 is individually provided in the traverse slider 72 to prevent the traverse slider 71 from jumping out. The traverse movable member 72 is individually coupled with a flexible actuating member 60 (eg, cloth-filled EPT) by screws 73 or the like, and the intake valve and the exhaust valve 62 (eg, EPT) are 63
(For example, POM resin), and the inlet 52 and the outlet 5
3 (for example, POM resin)
Were individually bonded (for example, screwed) to both sides of the casing 95.

The micro fluid pump 96 according to the third embodiment of the present invention is configured such that when the electric motor 80 rotates (for example, clockwise),
The two hollow cylindrical traverse cams 70 rotate simultaneously,
The traverse movable body 72 is prevented from rotating by the traverse movable body sliding guide groove 93 (gap between the traverse movable body rotation prevention wall 94 and the traverse movable body rotation prevention wall 94). The traverse slider 71 loosely fitted in the traverse groove 74 of the cam 70 slides, and as a result, the traverse movable body 72 reciprocates on the traverse cam 70 and in the traverse movable body sliding guide groove 93 with a fixed stroke. Then, the flexible actuating member 60 coupled to the traverse movable body 72 reciprocates in conjunction therewith, the outside air is sucked by the operation of the intake valve, and the inside air is discharged by the operation of the exhaust valve (pressurized supply of compressible fluid: 3 liters per minute at 5 kPa).

At this time, when the intake valve of one valve housing 51 is operated, the intake valve of the opposite valve housing 51 is deactivated, and when the exhaust valve of one valve housing 51 is activated, the opposite valve is activated. If the two hollow cylindrical traverse cams 70 are assembled so as to deactivate the exhaust valve of the housing 51, the intake sound and the exhaust sound interfere with each other, thereby further reducing noise generation. Of course, the intake valves on both sides may be simultaneously operated, or the exhaust valves on both sides may be simultaneously operated. Alternatively, by changing the mounting angle of the two hollow cylindrical traverse cams 70 to the motor shaft 81 (for example, 15 degrees),
It is advisable to take full advantage of the interference effect between the intake sound and the exhaust sound so that noise generation can be further reduced.

The electric motor 80 can change the applied voltage arbitrarily from a low-speed rotation (for example, 0 to 3000 rpm) to a high-speed rotation (for example, 6000 to 15000 rpm), so that the supply amount of fluid per unit time is variable. If the rotation is maintained at a low speed, noise generation can be reduced. The electric motor 80 employs a general-purpose small DC motor that rotates by applying a voltage from a battery or the like. However, when a large torque is required, a DC power supply (for example, AC ground voltage 1) is used.
A general-purpose DC motor or the like that applies 00 V and a full-wave rectified frequency of 50 Hz or 60 Hz may be employed.
Further, a brushless motor or the like may be adopted in consideration of maintainability.

Although not shown, the ultra-compact fluid pump according to the fourth embodiment of the present invention is a dual fluid pump in which traverse movable members are mounted on both sides of an electric motor shaft having traverse grooves, and the traverse A movable body is provided with a traverse slider that is loosely fitted to the traverse cam, and a flexible actuating member is coupled to the movable traverse body to form a double pump body, and the casing houses the double pump body. A valve housing having an intake valve and an exhaust valve was connected to both sides of the casing.

In the details, the inlet and outlet are provided in the valve housings on both sides connected to the casing, but one or more communication holes are formed in the casing, and the pipes to the two intake valves and An inlet and / or an outlet may be provided in one of the two valve housings connected to the casing by connecting the conduits to the two exhaust valves. Alternatively, one or a plurality of communication holes may be formed in the casing, the pipes to the two intake valves and the pipes to the two exhaust valves may be connected to each other, and the casing may be provided with an inlet and an outlet. good.

At this time, when the intake valve of one valve housing is operated, the intake valve of the opposite valve housing is deactivated, and when the exhaust valve of one valve housing is activated, the exhaust of the opposite valve housing is exhausted. By changing the formation angle of the traverse grooves formed on both sides of the motor shaft so as to deactivate the valve, the intake sound and the exhaust sound interfere with each other, so that noise can be further reduced. Of course, the intake valves on both sides may be simultaneously operated, or the exhaust valves on both sides may be simultaneously operated. Alternatively, by changing the formation angle (for example, 15 degrees) of the traverse grooves formed on both sides of the motor shaft, the interference effect between the intake sound and the exhaust sound can be sufficiently extracted, and noise generation can be further reduced. good.

Although not shown, a micro fluid pump according to a fifth embodiment of the present invention is a double fluid pump in which a hollow cylindrical traverse cam having a traverse groove on one side of an electric motor shaft is mounted. A traverse movable body is mounted on the traverse cam, and a traverse movable body is mounted on one side of an electric motor shaft having a traverse groove, and a traverse slider loosely fitted in the traverse groove is mounted on the traverse movable body. Further, a flexible operating member is connected to the movable traverse body to form a double pump body, the double pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve is connected to both sides of the casing. .

In the details, the inlet and outlet are provided in the valve housings on both sides connected to the casing. One or more communication holes are formed in the casing, and the pipes to the two intake valves and An inlet and / or an outlet may be provided in one of the two valve housings connected to the casing by connecting the conduits to the two exhaust valves. Alternatively, one or a plurality of communication holes may be formed in the casing, the pipes to the two intake valves and the pipes to the two exhaust valves may be connected to each other, and the casing may be provided with an inlet and an outlet. good.

At this time, when the intake valve of one valve housing is operated, the intake valve of the opposite valve housing is deactivated, and when the exhaust valve of one valve housing is activated, the exhaust of the opposite valve housing is activated. By assembling one hollow cylindrical traverse cam so as to deactivate the valve or changing the angle of formation of the traverse groove formed on one side of the motor shaft, the intake sound and the exhaust sound interfere with each other, resulting in more noise. Occurrence can be reduced. Of course, the intake valves on both sides may be simultaneously operated, or the exhaust valves on both sides may be simultaneously operated.

As described above, various combinations and the like of the preferred embodiments of the present invention have been described. However, the present invention is not limited to the above-described embodiments, and a number of combinations are possible without departing from the spirit of the invention. Needless to say, combinations, modifications and the like can be made. The shapes and opening directions of the inflow port 52 and the outflow port 53 of the valve housing 51 are determined so that external piping members such as hoses can be connected according to the specifications and standards of the mounted equipment and the like.
For example, an elbow pipe, an arbitrary bent pipe, or the like may be used. Further, in order to protect the intake valve and the exhaust valve 62 from dust and the like, for example, a metal net, a resin net, a fibrous activated carbon, a sponge, a foamed resin, a chemical fiber, a vegetable fiber, a paper, a nonwoven fabric, a nonwoven paper, or the like Filter or commercially available HEPA filter, UL
A PA filter or the like is preferably provided at the inlet 52 of the valve housing 51 (or a pipe line to the intake valve) or the like. Then, the pump target may be changed from a compressible fluid to an incompressible fluid (for example, water).

[0033]

The microfluidic pump according to the present invention has an effect that the amount of fluid per unit time can be varied and noise generation can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a conventional micro electromagnetic fluid pump.

FIG. 2 is a plan view of a conventional microminiature electromagnetic fluid pump.

FIG. 3 is a front sectional view (a sectional view taken along the line AA of FIG. 2) of a conventional microminiature electromagnetic fluid pump.

FIG. 4 is a front sectional view of the traverse mechanism type fluid pump according to the first embodiment of the present invention.

FIG. 5 is a front sectional view of a traverse mechanism type fluid pump according to a second embodiment of the present invention.

FIG. 6 is a perspective view of a traverse groove formed in the hollow cylindrical traverse cam of one embodiment.

FIG. 7 is a front sectional view of a traverse mechanism type fluid pump according to a third embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Conventional microminiature electromagnetic fluid pump, 11 ... Valve housing, 12 ... Inlet, 13 ... Outlet, 14 ... Valve body, 2
0: Diaphragm (bellows), 21: concave portion forming part, 2
2: packing part, 30: intake valve and exhaust valve, 31: collar (valve holder), 40: plunger, 41: coil spring, 42: copper wire, 43: cylindrical bobbin, 44: terminal strip, 45: electromagnetic Solenoid, 46 ... Yoke (with pole piece), 50 ... Fluid pump of the first embodiment of the present invention,
51: valve housing, 52: inlet, 53: outlet, 5
5: Fluid pump according to the second embodiment of the present invention, 60: diaphragm (bellows), 61: packing part, 62: intake and exhaust valves, 63: collar (valve retainer), 64: washer, 70: hollow cylindrical shape Traverse cam, 71: traverse slider, 72: traverse movable body, 73: screw, 74
... Traverse groove, 75 ... Lid, 80 ... Electric motor, 81 ... Electric motor shaft, 82 ... Electric motor shaft having a traverse groove, 83 ... Electric motor employing an electric motor shaft having a traverse groove, 90 ...
Casing, 91: motor cover, 92: motor cover, 93: traverse movable body sliding guide groove, 94: traverse movable body rotation prevention wall, 95: casing, 96 ... fluid pump of the third embodiment of the present invention

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[Procedure amendment]

[Submission date] November 6, 2000 (200.11.
6)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 2

[Correction method] Change

[Correction contents]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Claim 4

[Correction method] Change

[Correction contents]

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction contents]

Alternatively, a traverse movable body is mounted on both sides of a motor shaft having a traverse groove, and is loosely fitted in the traverse groove.
The movable traverse slider is provided inside the movable traverse member, and a flexible actuating member is connected to the movable traverse member.
A double pump body is provided, wherein the double pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve is connected to both sides of the casing.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0026

[Correction method] Change

[Correction contents]

Although not shown, the ultra-compact fluid pump according to the fourth embodiment of the present invention is a dual fluid pump in which traverse movable members are mounted on both sides of an electric motor shaft having traverse grooves, and the traverse Traverse slider loosely fitted in the groove
Were furnished to the traverse movable body, and Mata該traverse to the movable body by combining a flexible actuating member 2 barreled pump body accommodating the twin pump body casing, a valve housing having an intake valve and an exhaust valve Was connected to both sides of the casing.

Claims (7)

[Claims] An electric motor shaft is provided with a hollow cylindrical traverse cam having a traverse groove, a traverse movable body is provided in the traverse cam, and a traverse slider loosely fitted in the traverse groove is provided with a traverse movable member. A valve housing is provided inside the body, and a flexible operating member is connected to the movable traverse body to form a pump body, the pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve and having an inlet and an outlet. A fluid pump driven by a traverse mechanism, which is connected to the casing. 2. A traverse movable body is mounted on an electric motor shaft having a traverse groove, a traverse slider that is loosely fitted to the traverse cam is mounted on the traverse movable body, and a flexible operating member is provided on the traverse movable body. A traverse mechanism drive type wherein the pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve and having an inlet and an outlet is connected to the casing. Fluid pump. 3. A traverse slider having a hollow cylindrical traverse cam having traverse grooves on both sides of an electric motor shaft, a traverse movable body mounted on the traverse cam, and a traverse slider loosely fitted in the traverse groove. The interior of the traverse movable body,
A flexible operating member is coupled to the movable traverse body to form a dual pump body, the dual pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve is coupled to both sides of the casing. A fluid pump driven by a traverse mechanism. 4. A traverse movable body is mounted on both sides of an electric motor shaft having a traverse groove, and a traverse slider that is loosely fitted to the traverse cam is mounted on the traverse movable body.
A flexible operating member is coupled to the movable traverse body to form a dual pump body, the dual pump body is housed in a casing, and a valve housing having an intake valve and an exhaust valve is coupled to both sides of the casing. A fluid pump driven by a traverse mechanism. 5. A motor having a hollow cylindrical traverse cam having a traverse groove on one side of a motor shaft, a traverse movable body mounted on the traverse cam, and a traverse movable body on one side of the motor shaft having a traverse groove. A traverse slider, which is fitted around the traverse groove, is mounted on the movable traverse body, and a flexible operating member is connected to the movable traverse body to form a dual pump body. A fluid pump driven by a traverse mechanism, wherein a valve housing having an intake valve and an exhaust valve housed therein is connected to both sides of the casing. 6. A fluid pump driven by a traverse mechanism according to claim 3, wherein an inlet and / or an outlet is provided in one and / or both valve housings connected to the casing. 7. The traverse mechanism driven fluid pump according to claim 3, wherein an inlet and an outlet are provided in the casing.