CN207048922U

CN207048922U - Air pump

Info

Publication number: CN207048922U
Application number: CN201720597617.5U
Authority: CN
Inventors: 丁永强
Original assignee: Dajieda Industrial (shenzhen) Co ltd
Current assignee: Hong Jie Industrial (Dongguan) Co., Ltd.
Priority date: 2017-05-26
Filing date: 2017-05-26
Publication date: 2018-02-27
Anticipated expiration: 2027-05-26

Abstract

The utility model discloses a kind of air pump, including：Inflator 1, piston 3 and Power Component, the gas outlet 11 of inflator 1 set a bowl-shape elastic valve（5）, its edge has gas valve 51；The air inlet 32 being in communication with the outside is provided with piston 3, the air inlet 32 sets a sealing catch 33；When the piston 3 moves forward along the inflator 1, air in inflator 1 is compressed, gases at high pressure, which compress the sealing catch 33, makes the air inlet 32 be in closed state, and gas valve 51 described in the gases at high pressure punching press makes its contraction the gas outlet 11 is in open mode；Producing negative pressure when the piston 3 moves along after the inflator 1, in the inflator 1 makes the gas valve 51 be opened to edge, and the gas outlet 11 is in closed state, and outside atmosphere is washed the sealing catch 33 open and entered in the inflator 1.The utility model reaches the technique effect of control gas disengaging using the elastic deformation of material itself, simplifies structure and the manufacturing process of air pump, reaches optimization structure and reduces the technique effect of cost.

Description

Air pump

Technical field

It the utility model is related to a kind of air pump, more particularly to a kind of air pump that can simplify structure and technique process.

Background technology

With expanding economy, the application of motor vehicle especially household machine motor-car is more and more extensive, and people go on a journey increasingly Domestic power-driven vehicle is relied on, thing followed accident of blowing out also constantly annoyings people, especially travelled at remote districts When can not be repaired in time, then heavy losses may be caused.Therefore, automobile driver demand one kind is simple in construction, reliably The high air pump of property, the emergency maintenance for the accident of blowing out.Traditional air pump is because movable member is more, and especially valve etc. is used to control Gas processed enters the part of outgoing direction, complicated, is stored in the environment inside car to jolt and easily breaks down, and reliability is relatively Difference.To solve the deficiencies in the prior art, the utility model provides a kind of air pump of simplified structure, relative to prior art, sheet Utility model can effectively improve reliability, while effectively reduce cost, and simplify production technology.

Utility model content

The technical problems to be solved in the utility model is the structure and technique process of simplified air pump, reaches optimization structure, drop Low cost and the purpose for improving reliability.

The utility model adopts the following technical scheme that solution above-mentioned technical problem：

A kind of air pump, including：Inflator, piston, the piston is promoted to be done reciprocating linear motion along the cylinder inner wall dynamic Power component, it is characterised in that：The gas outlet of the inflator sets an elastic valve, and the edge of the elastic valve has deformable Gas valve；The air inlet being in communication with the outside is provided with the piston, the air inlet sets a sealing catch；When the piston is described in When inflator moves forward, the air in inflator is compressed, and gases at high pressure, which compress the sealing catch, makes the air inlet be in closed State, gas valve described in the gases at high pressure punching press make its contraction the gas outlet is in open mode；When the piston is described in Negative pressure is produced when being moved after inflator, in the inflator makes the gas valve gas outlet is in closed state to edge opening, outside Portion's air is washed the sealing catch open and entered in the inflator.

Preferably, the elastic valve is in integrally bowl structure, and its bottom of bowl passes through the bowl towards the inflator by one The screw at bottom center is fixed on the elastic valve inside the gas outlet.

Preferably, the sealing catch is flexible hollow out laminated structure, and its side is fixed on the push rod and work Between plug, its opposite side is free margins, when the free margins is produced reach or rear shifting by the pressure of different directions, makes the air inlet Mouth is in and opens or closes state.

Preferably, the push rod is hollow structure, and the front port of the hollow structure communicates with the air inlet on piston, thereafter Port communicates with the external world.

Preferably, the Power Component includes：Motor, travelling gear and little gear, on the motor power output shaft Little gear and travelling gear are intermeshed, and the travelling gear is by the eccentric axis connection of its side and promotes push rod, so as to will The rotary motion of the little gear is converted into the reciprocating motion of the push rod, and the push rod connects and does reciprocal fortune with piston It is dynamic, realize the inflation to the compressed gas cylinder and exhaust process.

Compared with prior art, the utility model has following advantageous effects：The sealing catch and elastic gas Door reaches the technique effect of control gas disengaging using the elastic deformation of material itself, relative to prior art, the utility model Part and technique process are simplified, reaches optimization structure, reduce cost and improves the technique effect of reliability.

Brief description of the drawings

Fig. 1 is the side cutaway view of the utility model air pump；

Fig. 2 is the decomposing state schematic diagram of the utility model air pump；

Fig. 3 is the gas replenishment process schematic diagram of the utility model air pump；

Fig. 4 is the exhaust process schematic diagram of the utility model air pump.

Embodiment

Below in conjunction with the embodiment shown in accompanying drawing, the utility model is described in further detail.

As Fig. 1 and Fig. 2 show, air pump of the present utility model includes：Inflator 1, piston 3, the piston 3 is promoted along the inflator The Power Component that 1 inwall does reciprocating linear motion, it is characterised in that：The gas outlet 11 of the inflator 1 sets an elastic valve 5, The edge of the elastic valve 5 has deformable gas valve 51；The air inlet 32 being in communication with the outside is provided with the piston 3, this enters Gas port 32 sets a sealing catch 33；When the piston 3 moves forward along the inflator 1, the air in inflator 1 is compressed, high pressure Gas, which compresses the sealing catch 33, makes the air inlet 32 be in closed state, and gas valve 51 described in the gases at high pressure punching press makes It shrinks, and the gas outlet 11 is in open mode；When the piston 3 moves along after the inflator 1, produced in the inflator 1 Negative pressure, which makes the gas valve 51 be opened to edge, makes the gas outlet 11 be in closed state, and outside atmosphere washes the sealing catch open 33 enter in the inflator 1.

The elastic valve 5 can have numerous embodiments, it is preferable that the overall elastic valve 5 is in the bowl shown such as Fig. 2 Shape structure, its bottom of bowl fix the elastic valve 5 by a screw 52 through the bottom of bowl center towards the inflator 1 Inside the gas outlet 11.

Preferably, the sealing catch 33 is flexible hollow out laminated structure, and its side is fixed on the push rod 31 Between piston 3, its opposite side is free margins, when the free margins is produced reach or rear shifting by the pressure of different directions, makes institute State air inlet 32 be in open or close state.

The push rod 31 is hollow structure, and the front port of the hollow structure communicates with the air inlet 32 on piston 3, its rear end Mouth communicates with the external world.

Air pump of the present utility model can be driven by motor, can also be by being driven by compressed gas.Preferably, this practicality is new The Power Component of type air pump includes：Motor 4, travelling gear 2 and little gear 41, the little gear on the power output shaft of motor 4 41 are intermeshed with travelling gear 2, and the travelling gear 2 is by the eccentric axis connection of its side and promotes push rod 31, so as to will The rotary motion of the little gear 41 is converted into the reciprocating motion of the push rod 31, and the push rod 31 is connected and done with piston 3 Move back and forth, realize the inflation to the compressed gas cylinder 1 and exhaust process.

The inflation of the compressed gas cylinder 1 of the utility model air pump and exhaust process are as follows：

As shown in figure 3, when compressed gas cylinder 1 is inflated：Travelling gear 2 drives push rod 31 to promote piston 3 to away from gas outlet 11 direction motion, now the air pressure inside of compressed gas cylinder 1 is less than outside atmospheric pressure, is covered in the sealing catch 33 of air inlet 32 Acted on by outside atmospheric pressure and elastic deformation occurs, the air inlet 32 is opened, and air sucks compressed gas cylinder by air inlet 32 1；The gas valve 51 on elastic valve 5 inside gas outlet 11 is propped up the inner pipe wall of gas outlet 11, shape by external pressure effect expansion Enter into sealing structure isolation extraneous air.

As shown in figure 4, when compressed gas cylinder 1 is vented：Travelling gear 2 drives push rod 31 to promote piston 3 to close to gas outlet 11 direction motion, now the air pressure inside of compressed gas cylinder 1 is more than outside atmospheric pressure, is covered in the sealing catch 33 of air inlet 32 Air inlet 32 is propped up by the effect of air pressure inside power and forms sealing, to completely cut off extraneous air inflow；Elastic gas inside gas outlet 11 The compressed air pressure inside of inflator 1 effect of gas valve 51 on door 5 is shunk, and is produced space between the inner pipe wall of gas outlet 11, is compressed Compressed air in inflator 1 discharges inflator by the space.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model.To this area For technical staff, the utility model can have various modifications and variations, all within the spirit and principles of the utility model, institute Any modification, equivalent substitution and improvements of work etc., should be included within the scope of protection of the utility model.

Claims

1. a kind of air pump, including：Inflator（1）, piston（3）, promote the piston（3）Along the inflator（1）Inwall is made reciprocal straight The Power Component of line motion, it is characterised in that：The inflator（1）Gas outlet（11）One elastic valve is set（5）, the elastic gas Door（5）Edge there is deformable gas valve（51）；The piston（3）On be provided with the air inlet being in communication with the outside（32）, this enters Gas port（32）One sealing catch is set（33）；When the piston（3）Along the inflator（1）During reach, inflator（1）Interior air quilt Compression, gases at high pressure compress the sealing catch（33）Make the air inlet（32）In closed state, the gases at high pressure punching Press the gas valve（51）Its contraction is set to make the gas outlet（11）In open mode；When the piston（3）Along the inflator（1） After when moving, the inflator（1）Interior generation negative pressure makes the gas valve（51）Being opened to edge makes the gas outlet（11）In closing State, outside atmosphere wash the sealing catch open（33）Into the inflator（1）It is interior.

2. air pump according to claim 1, it is characterised in that：The elastic valve（5）Overall is in bowl structure, its bottom of bowl Towards the inflator（1）, pass through a screw for passing through the bottom of bowl center（52）The elastic valve（5）Go out described in being fixed on Gas port（11）It is internal.

3. air pump according to claim 1, it is characterised in that：The sealing catch（33）For flexible hollow out sheet knot Structure, its side are fixed on push rod（31）And piston（3）Between, its opposite side is free margins, when the free margins is by different directions Pressure produce reach or it is rear move, make the air inlet（32）In opening or closing state.

4. air pump according to claim 1, it is characterised in that：Push rod（31）For hollow structure, the front port of the hollow structure With piston（3）On air inlet（32）Communicate, port communicates with the external world thereafter.

5. air pump according to claim 1, it is characterised in that：The Power Component includes：Motor（4）, travelling gear（2）With Little gear（41）, the motor（4）Little gear on power output shaft（41）With travelling gear（2）Intermeshing, the transmission Gear（2）By the eccentric axis connection of its side and promote push rod（31）, so as to by the little gear（41）Rotary motion turn Change push rod into（31）Reciprocating motion, the push rod（31）Connect and with piston（3）Move reciprocatingly, realize to the compression Inflator（1）Inflation and exhaust process.