CN208996926U - Pump valve to adjust air bag combines the unit - Google Patents

Abstract

It is a kind of to adjust air bag pump valve combine the unit include a fluid provisioning component, the fluid provisioning component have a head end and the tail end opposite with head end；Bottom cover body is combined in the tail end of fluid provisioning component, and fluid provisioning component is entered in bottom cover body by tail end supply fluid；Valve assembly is combined in the head end of the fluid provisioning component, the valve assembly is connected with air bag, the valve assembly includes a lid shell, at least a solenoid directional control valve and an at least air supply pipe, lid shell is fixedly connected on the head end of fluid provisioning component, a wherein at least solenoid directional control valve and at least an air supply pipe is contained in lid shell；One end of bypass line is connected to bottom cover body, and bypass line extends past fluid provisioning component and extends to valve assembly；Wherein the other end of bypass line is connected to the inlet end of an at least air supply pipe, and the outlet side of an at least air supply pipe is connected to the inlet portion of an at least solenoid directional control valve, and the outlet portion of an at least solenoid directional control valve is connected to air bag.

Description

Pump valve to adjust air bag combines the unit

Technical field

The pump valve that the utility model relates to a kind of to adjust air bag combines the unit more particularly to a kind of pump valve combination unit It can provide fluid and using fluid to adjust the size of air bag, such as can be applied to one or more parts of seat, bed.

Background technique

It is existing lumbar supports part often to be provided in seat or other positions for the comfort level for increasing occupant Adjust supporting element.Such as lumbar supports device is provided in backrest, by forming suitable support surface in the waist of occupant Vertebra provides enough supports.Some embodiments of lumbar supports device are the components based on mechanically movable.Lumbar supports dress The other embodiment set utilizes one or more inflatable fluid chamber.Fluid chamber can be configured to inflatable air cushion or gas Capsule changes its form and dimension according to the capacity of fluid wherein accommodated.

Since the available installation space of seat is limited.How the integrated pump valve of multiple adjustable components to be combined the unit, And be assembled into enhance the comfort level taken in seat, to avoid excessive space is occupied, also avoids improving assembling cost, be this The technical issues of utility model is to be solved.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of pump valve to adjust air bag and combines the unit, By the integrated pump valve combination unit of multiple adjustable components, to avoid excessive space is occupied, also avoid improving assembling cost.

In order to solve the above-mentioned technical problem, one of scheme according to the present utility model, provides one kind to adjust gas The pump valve of capsule combines the unit, and the pump valve combination unit includes a fluid provisioning component, and the fluid provisioning component has one End and a tail end opposite with the head end；The fluid provisioning component has a driving assembly, a diaphragm member and a bottom cover body, The bottom cover body is combined in the tail end of the fluid provisioning component, and the driving component includes a motor and a driving member, The motor is fixed on the head end of the fluid provisioning component, and the diaphragm member is located at the bottom cover body and the driving group Between part, the motor drives the driving member to drive the diaphragm member, and the diaphragm member drawing fluid enters the bottom cover Body；One valve assembly, the valve assembly are combined in the head end of the fluid provisioning component, and the valve assembly includes one Lid shell, at least a solenoid directional control valve and at least an air supply pipe, wherein the lid shell is fixedly connected on the fluid provisioning component The head end, wherein at least one solenoid directional control valve and at least one air supply pipe are contained in the lid shell, it is described at least One air supply pipe can be connected to air bag；And bypass conduit, one end of the bypass line are connected to the bottom cover body, the bypass Pipeline extends to the valve assembly by the motor and the side of the diaphragm member, the other end of the bypass line；Institute One end of motor is stated close to the valve assembly, the diaphragm member is opposite with the valve assembly and is located at the another of the motor End, the fluid that the diaphragm member is pumped enters the bottom cover body, and is supplied to the valve assembly via the bypass line, Described in the other end of bypass line be connected to the inlet end of at least one air supply pipe, the outlet side of at least one air supply pipe It is connected to the inlet portion of at least one solenoid directional control valve, the outlet portion of at least one solenoid directional control valve can be connected to the gas Capsule.

According to one of embodiment of the utility model, the pump valve to adjust air bag, which combines the unit, has one To the solenoid directional control valve and a pair of air supply pipe；The fluid provisioning component has a pair of of air supply opening.

According to one of embodiment of the utility model, the lid shell also has an at least pore, and the electromagnetism changes The pore is exposed to the outlet portion of valve.

According to one of embodiment of the utility model, the valve assembly also has an electrically-controlled component, the electricity Control component be electrically connected at least one solenoid directional control valve, the electrically-controlled component be electrically connected and control the fluid provisioning component for Answer gas to the valve assembly.

According to one of embodiment of the utility model, the lid shell has an electrical interface, the electrically-controlled component With a terminal group, the terminal group is located in the electrical interface.

According to one of embodiment of the utility model, a stopper section is formed around the air supply pipe, it is described to stop Stopper around the air supply pipe by protruding and being placed in around the air supply opening of the fluid provisioning component.

According to one of embodiment of the utility model, the electrically-controlled component forms an at least limiting groove, described Air supply pipe is restricted in the confinement groove, and the stopper section of the air supply pipe is placed in the limiting groove and the fluid Between the air supply opening of provisioning component.

According to one of embodiment of the utility model, the solenoid directional control valve is three two way selected valves.

According to one of embodiment of the utility model, at least one solenoid directional control valve also has adjusting outlet Portion, for the fluid of the air bag to be discharged in atmosphere from the adjusting outlet portion of the solenoid directional control valve.

According to one of embodiment of the utility model, the adjusting exit site of the solenoid directional control valve is in institute It states in lid shell.

According to one of embodiment of the utility model, the pump valve combination unit further includes a fluid adjustment group Part, the diaphragm member are located between the driving component and fluid adjustment component, and the fluid adjustment component includes a valve Seat, a valve membrane and an over-voltage adjust component, and the valve seat control fluid unidirectionally enters the pump chambers of the diaphragm member, the valve Membrane, which is placed in the side of the valve seat and controls fluid, unidirectionally enters the over-voltage adjusting by the pump chambers of the diaphragm member Component, when Fluid pressure is excessive, the over-voltage adjusts component for fluid by passing through among the valve seat among the valve membrane Flow back to the diaphragm member.

According to one of embodiment of the utility model, the valve seat has an adjustment apertures, multiple fluid outlets And multiple check (non-return) valves, the adjustment apertures are located at the centre of the valve seat, the multiple fluid outlet is located at the adjustment apertures Periphery, the multiple check (non-return) valve is located at the periphery of the multiple fluid outlet.

According to one of embodiment of the utility model, the valve membrane has at least once adjustment hole, Duo Gedan To valve block and multiple outer side through hole, at least one lower adjustment hole corresponds to the adjustment apertures, the multiple check valve sheet point Not Dui Yingyu the multiple fluid outlet, the multiple outer side through hole corresponds respectively to multiple check (non-return) valves.

According to the utility model one of embodiment, the diaphragm member of the fluid provisioning component further by Surrounding extends an at least check valve sheet, and the check valve sheet extends in the bypass line.

The utility model has the following beneficial effects: the pump valve to adjust air bag of the utility model combines the unit, Middle fluid provisioning component is entered in the bottom cover body by the tail end supply fluid, so that driving assembly is closer to electrically-controlled component, It is loaded onto group more convenient.Fluid provisioning component is entered in the bottom cover body by tail end supply fluid, is more convenient the pressure in fluid When excessive, fluid provisioning component can adjust the external world that pressure release is combined the unit to pump valve by tail end.In addition, the utility model can incite somebody to action The integrated pump valve combination unit of multiple adjustable components also avoids improving assembling cost to avoid excessive space is occupied.

In order to be further understood that the utility model is technology, method and the effect reaching set purpose and being taken, ask Refering to the detailed description below in connection with the utility model, attached drawing, it is believed that the purpose of this utility model, feature and feature, when can be by This is able to deeply and specifically understand, however attached drawing is only for reference and description with attachment, is not used to add the utility model With limitation.

Detailed description of the invention

Fig. 1 is that the pump valve combination unit of the utility model is connected to the perspective view of air bag.

Fig. 2 is the perspective view that the pump valve of the utility model combines the unit.

Fig. 3 is the stereogram exploded view that the pump valve of the utility model combines the unit.

Fig. 4 is the cross-sectional view that the pump valve of the utility model combines the unit.

Fig. 5 is the partial sectional view of the pump valve combination unit in valve assembly of the utility model.

Fig. 6 is that the fluid of the utility model adjusts the stereogram exploded view of component and bottom cover body.

Fig. 7 is that the fluid of the utility model adjusts another stereogram exploded view of component and bottom cover body.

Fig. 8 is that the pump valve combination unit of the utility model adjusts the partial sectional view of component in fluid.

Specific embodiment

Referring to Fig. 1, being connected to the perspective view of air bag for the pump valve combination unit to adjust air bag of the utility model. The pump valve combination unit 1 of the utility model can be used to adjust air bag 2 on the one hand, such as can be used for the tune of vehicle seat back Section effect.Air bag 2 can be installed in the backrest of seat to adjust support waist.However, the utility model is not restricted to this, example Adjustment effect as massage seat or bed can also be installed in.

Please refer to figs. 2 and 3, and the utility model provides a kind of pump valve combination unit 1 to adjust air bag, the pump Valve combination unit 1 includes a fluid provisioning component 11, a valve assembly 12 and bypass conduit B.

As shown in figure 3, fluid provisioning component 11 has an a head end 11t and tail end 11e opposite with head end 11t.Such as Fig. 4 Shown, fluid provisioning component 11 has a driving assembly 113, a diaphragm member 114 and a bottom cover body 117, and bottom cover body 117 combines In the tail end 11e of fluid provisioning component 11, fluid provisioning component 11 is entered in the bottom cover body 117 by tail end 11e supply fluid. Driving assembly 113 includes a motor 1131 and a driving member 1132.The motor 1131 is fixed on the head of fluid provisioning component 11 Hold 11t.Diaphragm member 114 is between the bottom cover body 117 and the driving component 113.

As shown in Figures 3 to 5, valve assembly 12 is combined in the head end 11t of fluid provisioning component 11, valve assembly 12 and gas Capsule 2 is connected.The valve assembly 12 includes a lid shell 128, at least a solenoid directional control valve 126 and an at least air supply pipe 122, Middle cover shell 128 is fixedly connected on the head end 11t of the fluid provisioning component 11, and wherein solenoid directional control valve 126 and air supply pipe 122 are received It is dissolved in lid shell 128.

In the present embodiment, the valve assembly 12 of pump valve combination unit 1 has a pair of of solenoid directional control valve 126 and a pair of of gas supply Pipe 122.Fluid provisioning component 11 has a pair of of air supply opening 110, as shown in figure 4, this is located at fluid provisioning component to air supply opening 110 11 head end 11t, and this is connected to air supply pipe 122.Whereby, a pair of of air supply opening 110 can be respectively cooperating with supply fluid To a pair of of air bag 2 (ginseng Fig. 1).However, the utility model is not restricted to this.

As shown in figure 4, one end of the bypass line B is connected to bottom cover body 117.Bypass line B passes through the motor 1131 And the side of the diaphragm member 114.In addition, the other end of bypass line B extends to the valve assembly 12.The bypass line The other end of B is connected to the inlet end 1221 of air supply pipe 122 upwards, and the outlet side 1222 of the air supply pipe 122 is connected to described The inlet portion 1261 of solenoid directional control valve 126, the outlet portion 1262 of the solenoid directional control valve 126 are connected to the air bag 2.Preferably , the bypass line B of the present embodiment is to be integrally formed in the external shell of fluid provisioning component 11, can be reduced whereby The step of assembling.However, the utility model is not restricted to this, bypass line is also possible to additional tube body and is supplied with connecting fluid Answer the bottom cover body 117 and valve assembly 12 of component 11.

In the present embodiment, valve assembly 12 also has an electrically-controlled component 124, and the electrically-controlled component 124 is electrically connected to electromagnetism Reversal valve 126, electrically-controlled component 124 are electrically connected and control fluid provisioning component 11 to supply gas to valve assembly 12.More specifically Say, electrically-controlled component 124 is electrically connected and controls the motor 1131 of fluid provisioning component 11.

The utility model above advantages at least that, the motor 1131 of the driving assembly 113 of fluid provisioning component 11 leans on The head end 11t of nearly fluid provisioning component 11, that is, close to the electrically-controlled component 124 of valve assembly 12, loaded onto group more convenient.This Outside, entered in the bottom cover body 117 due to fluid provisioning component 11 by tail end 11e supply fluid, be more convenient the pressure in fluid When excessive, fluid provisioning component 11 can be adjusted pressure release to pump valve by tail end 11e and combine the unit 1 external world.

In the present embodiment, solenoid directional control valve 126 can be three two way selected valves.The solenoid directional control valve 126 also has One adjusts outlet portion 1263, for 1263 row of adjusting outlet portion by the fluid of air bag 2 from the solenoid directional control valve 126 Into atmosphere.Preferably, the adjusting outlet portion 1263 of solenoid directional control valve 126 is arranged to be located in the lid shell 128.Therefore, may be used When air bag 2 is deflated, fluid can flow in the lid shell 128 of valve assembly 12, flow through electromagnet coil, whereby, the stream of fluid It is dynamic to can help to cooling solenoid directional control valve 126.

In the present embodiment, solenoid directional control valve 126 can be equipped with an actuator, the stream of regulating gas when cooperating above-mentioned adjusting To.Actuator, such as can be solenoid, piezoelectric element ... etc..Further, electrically-controlled component 124 can control electromagnetic switch The time point and time span that the actuator of valve 126 is powered.Additional functionality can be provided in electrically-controlled component 124.For example, A pressure sensor is provided in valve assembly 12, to sense the air pressure in air bag 2, electrically-controlled component 124 can be coupled to pressure biography Sensor.Electrically-controlled component 124 can be controlled according to the pressure value measured to the valve in fluid provisioning component 11 and valve assembly 12 Actuating.In addition, valve assembly 12 may include a reservoir, wherein the pressure for storing predetermined value is set or scheduled actuating mould Formula.Electrically-controlled component 124 can control fluid provisioning component 11 according to scheduled pressure set points or according to scheduled actuation patterns And valve assembly 12.

The lid shell 128 of valve assembly 12 also has a pair of of pore 1282, outside the outlet portion 1262 of the solenoid directional control valve 126 It is exposed to the pore 1282.The lid shell 128 of the present embodiment has an electric interfaces 1284, and electrically-controlled component 124 has a terminal group 1241, to receive signal.The terminal group 1241 is located in electric interfaces 1284.Electrically-controlled component 124 can be configured to respond Fluid provisioning component 11 and valve assembly 12 are controlled in the signal received.Electrically-controlled component 124 may be disposed at valve assembly Inside 12.Therefore, the process that pump valve combination unit 1 is installed on product can simplify.

A bit of supplementary explanation, forms a stopper section 1223, the stopper section around the air supply pipe 122 of the present embodiment 1223 are protruded and are placed in around air supply pipe 122 around the air supply opening 110 of fluid provisioning component 11 by stating.

Corresponding above structure, electrically-controlled component 124 form an at least limiting groove 1242, air supply pipe 122 and are restricted to limit In groove 1242, the stopper section 1223 of air supply pipe 122 is placed in the air supply opening 110 of limiting groove 1242 Yu fluid provisioning component 11 Between.Whereby, air supply pipe 122 can be easily fixed in pump valve combination unit 1.

As shown in figure 4, fluid provisioning component 11 includes a fixing shell portion 115 to hold the diaphragm member 114, it is described every Membrane 114 is located between the driving component 113 and fluid adjustment component 20.One end of the motor 1311 is close to described Valve assembly 12, the other end of the motor 1311 drive the driving member 1132, the diaphragm member 114 and the valve assembly 12 other ends that are opposite and being located at the motor 1131.The driving member 1132 drives the diaphragm by the motor 1311 Part 114,114 drawing fluid of diaphragm member enter the bottom cover body 117.

The pump valve combination unit of the utility model further includes fluid adjustment component 20.The stream that the diaphragm member 114 is pumped Body adjusts component 20 by the fluid, enters back into the bottom cover body 117.Fluid adjustment component 20 include a valve seat 21, One valve membrane 22 and an over-voltage adjust component 23, and the valve seat 21 controls the pump chambers that fluid unidirectionally enters the diaphragm member 114 1140, the valve membrane 22 is placed in the side of the valve seat 21 and controls fluid by the pump chambers of the diaphragm member 114 1140, which unidirectionally enter the over-voltage, adjusts component 23, and when Fluid pressure is excessive, the over-voltage adjusts component 23 for fluid by institute It states among valve membrane 22 by flowing back to the diaphragm member 114 among the valve seat 21.

The diaphragm member 114 of fluid provisioning component 11 further extends an at least check valve sheet 1142 by surrounding, described Check valve sheet 1142 extends in the bypass line B.

As shown in FIG. 6 and 7, the valve seat 21 has an adjustment apertures 211, multiple fluid outlets 211 and multiple non-return Valve 213, the adjustment apertures 211 are located at the centre of the valve seat 21, and the multiple fluid outlet 211 is located at the adjustment apertures 211 periphery, the multiple check (non-return) valve 213 are located at the periphery of the multiple fluid outlet 211.

Valve membrane 22 is made of flexible material, such as rubber or plastics etc., and valve membrane 22 is lowered at least one Knothole 221, multiple check valve sheets 222 and multiple outer side through hole 223.At least one lower adjustment hole 221 corresponds to the up-regulation Knothole 211, the multiple check valve sheet 222 correspond respectively to the multiple fluid outlet 211, the multiple outer side through hole 223 Correspond respectively to multiple check (non-return) valves 213.

The driving assembly 113 of fluid provisioning component 11, which can push fluid with the mutual cooperation of diaphragm member 114, uniaxially to be passed through Fluid adjusts component 20 and enters bottom cover body 117.More specifically, lateral fluid can be via the outer side through hole 223 of valve membrane 22 And the check (non-return) valve 213 of valve seat 21, by 114 pumping of diaphragm member, then diaphragm member 114 pushes the fluid that fluid passes through valve seat 21 again The check valve sheet 222 of outlet 212 and valve membrane 22 adjusts component 23 by over-voltage and enters bottom cover body 117.

Referring again to Fig. 4, the fluid into bottom cover body 117 is sent to valve assembly 12 by bypass line B, thus for Answer air bag 2.Specifically, bypass line B includes lower section pipeline B1, middle section pipeline B2 and upper section pipeline B3.Its middle and lower sections pipeline B1 is formed in the side of fluid adjustment component 20 in one piece, and middle section pipeline B2 is formed in fixing shell portion 115 in one piece Side, upper section pipeline B3 is integrally formed at the side of driving assembly 113.Gas by bottom cover body 117 by lower section pipeline B1, Middle section pipeline B2 and upper section pipeline B3, subsequently into the air supply pipe 122 of valve assembly 12.In the bypass line B of the present embodiment into A check component S is arranged in one step.Check component S include a spring 116 and a check valve sheet 1142 so that gas unidirectional the bottom of by Lid 117 is by bypass line B without being back in bottom cover body 117.Preferably, the check valve sheet 1142 of the present embodiment be by Diaphragm member 114 is integrally formed what ground was formed to side extension.

As shown in figure 8, Fig. 8 is the cross-sectional view along the center of bottom cover body 117.Over-voltage, which adjusts component 23, has a block bead 231 and a spring 233, block bead 231 be contained in bottom cover body 117.When pressure of the fluid in bottom cover body 117 is excessive, pressure Surpass the scheduled elastic force of spring 233 and prop up block bead 231 so that fluid be able to lower adjustment hole 221 by valve membrane 22 and The adjustment apertures 211 of valve seat 21 and return in fluid provisioning component 11.To avoid excessive stream pressure pressure from compromising outside Component.

The pump valve of the utility model combines the unit, and wherein fluid provisioning component 11 enters bottom cover by tail end 11e supply fluid In body 117, so that driving assembly 113 is loaded onto more convenient closer to electrically-controlled component 124 in group.Fluid provisioning component 11 is by tail end 11e supply fluid enters in the bottom cover body 117, is more convenient when the pressure of fluid is excessive, and fluid provisioning component 11 can be by It is extraneous to pump valve combination unit 1 that tail end 11e adjusts pressure release.In addition, the utility model can be one integrated by multiple adjustable components Pump valve combination unit also avoids improving assembling cost to avoid excessive space is occupied.

The foregoing is merely the preferable possible embodiments of the utility model, it is all done according to the utility model claims it is equal Deng variation and modification, it should all belong to the covering scope of the utility model.

Claims (14)

1. a kind of pump valve to adjust air bag combines the unit, which is characterized in that the pump valve, which combines the unit, includes:

One fluid provisioning component, the fluid provisioning component have a head end and a tail end opposite with the head end, the stream Body provisioning component has a driving assembly, a diaphragm member and a bottom cover body, and the bottom cover body is combined in the fluid provisioning component The tail end, the driving component includes a motor and a driving member, and the motor is fixed on the fluid provisioning component The head end, the diaphragm member between the bottom cover body and the driving component, the motor drive the driving member with The diaphragm member is driven, the diaphragm member drawing fluid enters the bottom cover body；

One valve assembly, the valve assembly are combined in the head end of the fluid provisioning component, and the valve assembly includes One lid shell, at least a solenoid directional control valve and at least an air supply pipe, wherein the lid shell is fixedly connected on the fluid provisioning component The head end, wherein at least one solenoid directional control valve and at least one air supply pipe be contained in the lid shell, it is described extremely A few air supply pipe can be connected to air bag；And

Bypass conduit, one end of the bypass line are connected to the bottom cover body, and the bypass line passes through the motor and institute The side of diaphragm member is stated, the other end of the bypass line extends to the valve assembly；

Close to the valve assembly, the diaphragm member is opposite with the valve assembly and is located at the motor for one end of the motor The other end, the fluid that the diaphragm member is pumped enter the bottom cover body, and via the bypass line be supplied to the valve group Component, wherein the other end of the bypass line is connected to the inlet end of at least one air supply pipe, at least one air supply pipe Outlet side be connected to the inlet portion of at least one solenoid directional control valve, the outlet portion of at least one solenoid directional control valve can connect In the air bag.

2. being combined the unit as described in claim 1 to adjust the pump valve of air bag, which is characterized in that described to adjust air bag Pump valve combination unit there is a pair of solenoid directional control valve and a pair of air supply pipe；The fluid provisioning component has a pair Air supply opening.

3. as described in claim 1 to adjust air bag pump valve combine the unit, which is characterized in that the lid shell also have to A few pore, the outlet portion of the solenoid directional control valve expose to the pore.

4. being combined the unit as described in claim 1 to adjust the pump valve of air bag, which is characterized in that the valve assembly also has There is an electrically-controlled component, the electrically-controlled component is electrically connected at least one solenoid directional control valve, and the electrically-controlled component is electrically connected and controls The fluid provisioning component is to supply gas to the valve assembly.

5. being combined the unit as claimed in claim 4 to adjust the pump valve of air bag, which is characterized in that the lid shell has an electricity Gas interface, the electrically-controlled component have a terminal group, and the terminal group is located in the electric interfaces.

6. being combined the unit as claimed in claim 4 to adjust the pump valve of air bag, which is characterized in that around the air supply pipe Form a stopper section, the stopper section is by protruding and being placed in the confession of the fluid provisioning component around the air supply pipe Around port.

7. being combined the unit as claimed in claim 6 to adjust the pump valve of air bag, which is characterized in that the electrically-controlled component is formed An at least limiting groove, the air supply pipe are restricted in the limiting groove, and the stopper section of the air supply pipe is placed in institute It states between limiting groove and the air supply opening of the fluid provisioning component.

8. being combined the unit as described in claim 1 to adjust the pump valve of air bag, which is characterized in that the solenoid directional control valve is Three two way selected valves.

9. being combined the unit as claimed in claim 8 to adjust the pump valve of air bag, which is characterized in that at least one electromagnetism changes Also there is an adjusting outlet portion to valve, for arranging the fluid of the air bag from the adjusting outlet portion of the solenoid directional control valve Into atmosphere.

10. being combined the unit as claimed in claim 9 to adjust the pump valve of air bag, which is characterized in that the solenoid directional control valve The adjusting exit site in the lid shell.

11. being combined the unit as described in claim 1 to adjust the pump valve of air bag, which is characterized in that the pump valve group attaches together Setting further includes fluid adjustment component, and the diaphragm member is located at the stream between the driving component and fluid adjustment component It includes that a valve seat, a valve membrane and an over-voltage adjust component that body, which adjusts component, the valve seat control fluid unidirectionally enter it is described every The pump chambers of membrane, the valve membrane are placed in the side of the valve seat and control fluid by the pump chambers list of the diaphragm member Component is adjusted to the over-voltage is entered, when Fluid pressure is excessive, the over-voltage adjusts component for fluid by the valve membrane Between by flowing back to the diaphragm member among the valve seat.

12. being combined the unit as claimed in claim 11 to adjust the pump valve of air bag, which is characterized in that the valve seat has one Adjustment apertures, multiple fluid outlets and multiple check (non-return) valves, the adjustment apertures are located at the centre of the valve seat, the multiple fluid Outlet is located at the periphery of the adjustment apertures, and the multiple check (non-return) valve is located at the periphery of the multiple fluid outlet.

13. being combined the unit as claimed in claim 12 to adjust the pump valve of air bag, which is characterized in that the valve membrane has At least once adjustment hole, multiple check valve sheets and multiple outer side through hole, at least one lower adjustment hole correspond to the upper adjusting Hole, the multiple check valve sheet correspond respectively to the multiple fluid outlet, and the multiple outer side through hole corresponds respectively to multiple Check (non-return) valve.

14. being combined the unit as described in claim 1 to adjust the pump valve of air bag, which is characterized in that the fluid supply group The diaphragm member of part further extends an at least check valve sheet by surrounding, and the check valve sheet extends to the bypass line It is interior.