CN216642434U - Reversing valve with reversing function for air bag pump - Google Patents
Reversing valve with reversing function for air bag pump Download PDFInfo
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- CN216642434U CN216642434U CN202122611299.2U CN202122611299U CN216642434U CN 216642434 U CN216642434 U CN 216642434U CN 202122611299 U CN202122611299 U CN 202122611299U CN 216642434 U CN216642434 U CN 216642434U
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- valve
- air bag
- reversing
- guide rod
- bag pump
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Abstract
The utility model relates to the technical field of mechanical components processed by PTFE (polytetrafluoroethylene), in particular to a reversing valve with a reversing function for an air bag pump. In the utility model, in order to prevent metal pollution, the air bag pump is formed by casting a PTFE polytetrafluoroethylene material, and consists of a valve body and a steering valve, and the valve body and the steering valve are assembled in a manner of embedding a rotating pin to achieve the steering function.
Description
Technical Field
The utility model relates to the technical field of mechanical assemblies processed by PTFE polytetrafluoroethylene, in particular to a reversing valve with a reversing function for an air bag pump.
Background
The one-way valve/reversing valve is arranged in the fluid pump, so that the aim of controlling fluid in the pump is fulfilled, a long research and development distance needs to be met, and the problems of related technologies of structure, liquid flow control technology and acid and alkali resistance need to be solved.
The reversing valve structure that has the switching-over function for current air bag pump is comparatively complicated, and the manufacturing approach is difficult, and the installation combination is inconvenient, and generally adopts the metal material processing to form, causes metal contamination easily, and secondly, valve body and steering valve two parts junction wearing and tearing are serious, use inconvenient, influence the leakproofness, and the working effect is poor. Accordingly, one skilled in the art has provided a reversing valve having a reversing function for an air bag pump, to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reversing valve with a reversing function based on an air bag pump, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a reversing valve with a reversing function based on an air bag pump comprises a valve body and a steering valve, wherein one end of the steering valve is inserted into the valve body, the outer side wall of the steering valve is rotatably connected with the inner wall of the valve body, the valve body comprises a valve head, a pressurizing balance sheet is sleeved and fixedly connected on the valve head, the lower end of the valve head is fixedly connected with a guide rod cap, and a stroke cavity is formed in the guide rod cap;
the steering valve comprises a guide rod, the upper end of the guide rod is inserted into the stroke cavity and is rotatably connected with the stroke cavity, and one end of the guide rod, which is positioned outside the stroke cavity, is fixedly connected with a guide rod connector.
As a still further scheme of the utility model: the valve body and the steering valve are both made of PTFE polytetrafluoroethylene materials through fusion casting.
As a still further scheme of the utility model: the valve body and the steering valve are assembled in a mode of embedding a rotating pin.
As a still further scheme of the utility model: the valve head is far away from the end of the guide rod cap and is arranged in a round table shape.
As a still further scheme of the utility model: the upper end side wall of the guide rod is connected with the inner wall of the stroke cavity in a sliding mode.
As a still further scheme of the utility model: the upper end of the valve head is inserted into an air bag cover of the air bag pump.
As a still further scheme of the utility model: the guide rod connector is fixedly connected with an air bag of the air bag pump.
Compared with the prior art, the utility model has the beneficial effects that:
1. this device has used PTFE polytetrafluoroethylene material founding to form in order to prevent metal contamination, comprises valve body and steering valve two parts, assembles through the mode of embedding rotatory round pin, reaches the function that turns to, because of the material that two parts used is the same, the wearing and tearing condition of reducible junction to improve the work piece life-span, make the steering valve part make a round trip to rotate through pneumatic mode, make its work for the circulation supply power in bellows pump both ends.
2. The valve head opens and closes compressed air to enter the air sac, the pressurizing balance sheet acts on the pressurizing balance sheet through the compressed air, the valve head is correctly inserted into the air sac cover to achieve the effect of smoothly opening and closing the air passage, the time length of the compressed air acting on the air sac is determined by the stroke cavity, the guide rod cap limits the movement of the guide rod within a planned range, the guide rod controls the movement track of the reversing valve, the guide rod is fixed on the air sac through the guide rod connecting head, and the reversing valve is triggered to reverse when the air sac moves to a specified position.
Drawings
Fig. 1 is a schematic perspective view of a reversing valve with a reversing function for an air bag pump;
fig. 2 is a schematic front view of a reversing valve with a reversing function for an air bag pump.
In the figure: 1. a valve body; 101. a valve head; 102. a pressurizing balance sheet; 103. a stroke chamber; 104. a guide rod cap; 2. a steering valve; 201. a guide rod; 202. the guide bar connector.
Detailed Description
Referring to fig. 1-2, in the embodiment of the present invention, a reversing valve with a reversing function for an air bag pump includes a valve body 1 and a steering valve 2, one end of the steering valve 2 is inserted into the valve body 1, and an outer side wall of the steering valve 2 is rotatably connected to an inner wall of the valve body 1, the valve body 1 includes a valve head 101, a pressure balance sheet 102 is sleeved and fixedly connected to the valve head 101, a guide rod cap 104 is fixedly connected to a lower end of the valve head 101, a stroke cavity 103 is formed inside the guide rod cap 104, the valve head 101 opens and closes a compressed air inlet air bag, the pressure balance sheet 102 is used for allowing compressed air to act on the pressure balance sheet 102, so that the valve head 101 is correctly inserted into an air bag cover to achieve an effect of smoothly opening and closing an air passage, the stroke cavity 103 determines a time length of the compressed air acting on the air bag, and the guide rod cap 104 limits the movement of the guide rod 201 within a planned range;
the steering valve 2 comprises a guide rod 201, the upper end of the guide rod 201 is inserted into the stroke cavity 103 and is rotationally connected with the stroke cavity 103, one end of the guide rod 201, which is positioned outside the stroke cavity 103, is fixedly connected with a guide rod connector 202, the guide rod 201 controls the movement track of the reversing valve, and the guide rod connector 202 fixes the guide rod 201 on the air sac so that the air sac triggers the reversing valve to reverse when moving to a specified position;
in fig. 1 and 2: the valve body 1 and the steering valve 2 are both made of PTFE polytetrafluoroethylene materials by fusion casting, so that metal pollution is prevented, the processing is convenient, and the cost is low;
in fig. 1 and 2: the valve body 1 and the steering valve 2 are assembled in a manner of embedding a rotating pin, and the installation and the disassembly are convenient;
in fig. 1 and 2: the end, far away from the guide rod cap 104, of the valve head 101 is arranged in a circular truncated cone shape, so that the sealing performance of the air bag cover during opening and closing is improved;
in fig. 1 and 2: the side wall of the upper end of the guide rod 201 is in sliding connection with the inner wall of the stroke cavity 103, so that the guide rod cap 104 is more convenient to displace;
in fig. 1 and 2: the upper end of the valve head 101 is inserted into an air bag cover of the air bag pump, and the valve head 101 is correctly inserted into the air bag cover, so that the effect of smoothly opening and closing the air passage is achieved;
in fig. 1 and 2: the guide rod connector 202 is fixedly connected with an air sac of the air sac pump, and the guide rod connector 202 fixes the guide rod 201 on the air sac, so that the air sac is triggered to change direction when moving to a specified position.
The working principle of the utility model is as follows: the device is formed by casting PTFE polytetrafluoroethylene materials in order to prevent metal pollution, and consists of a valve body 1 and a steering valve 2 which are assembled in a mode of embedding a rotating pin to achieve the steering function, and the abrasion condition of a joint can be reduced because the materials used by the two parts are the same, so that the service life of a workpiece is prolonged, the steering valve part rotates back and forth in a pneumatic mode, and power is supplied to the two ends of the air bag pump in a circulating mode to enable the air bag pump to work;
secondly, the valve head 101 opens and closes compressed air to enter the air sac, the pressurizing balance sheet 102 acts on the pressurizing balance sheet 102 through compressed air, the valve head 101 is correctly inserted into the air sac cover to achieve the effect of smoothly opening and closing the air passage, the time length of the compressed air acting on the air sac is determined by the stroke cavity 103, the guide rod cap 104 limits the guide rod 201 to move within a planned range, the guide rod 201 controls the movement track of the reversing valve, the guide rod connector 202 fixes the guide rod 201 on the air sac, and the reversing valve is triggered to reverse when the air sac moves to a specified position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. The reversing valve with the reversing function based on the air bag pump comprises a valve body (1) and a steering valve (2), and is characterized in that one end of the steering valve (2) is inserted into the valve body (1), the outer side wall of the steering valve (2) is rotatably connected with the inner wall of the valve body (1), the valve body (1) comprises a valve head (101), a pressurizing balance sheet (102) is sleeved and fixedly connected on the valve head (101), the lower end of the valve head (101) is fixedly connected with a guide rod cap (104), and a stroke cavity (103) is formed in the guide rod cap (104);
the steering valve (2) comprises a guide rod (201), the upper end of the guide rod (201) is inserted into the stroke cavity (103) and is rotatably connected with the stroke cavity, and one end of the guide rod (201) is fixedly connected with a guide rod connector (202) and is positioned outside the stroke cavity (103).
2. The reversing valve with reversing function for the air bag pump is characterized in that the valve body (1) and the steering valve (2) are both made of PTFE polytetrafluoroethylene materials through fusion casting.
3. The reversing valve having a reversing function for an air bag pump according to claim 1, wherein the valve body (1) and the steering valve (2) are assembled by inserting a rotation pin.
4. The reversing valve with reversing function for the air bag pump according to claim 1, wherein an end of the valve head (101) far away from the guide rod cap (104) is arranged in a truncated cone shape.
5. The reversing valve with reversing function for the air bag pump according to claim 1, wherein an upper end side wall of the guide rod (201) is slidably connected with an inner wall of the stroke chamber (103).
6. The reversing valve with reversing function based on the air bag pump is characterized in that the upper end of the valve head (101) is inserted into an air bag cover of the air bag pump.
7. The reversing valve with reversing function based on air bag pump of claim 1, characterized in that the guide rod connector (202) is fixedly connected with the air bag of the air bag pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122611299.2U CN216642434U (en) | 2021-10-28 | 2021-10-28 | Reversing valve with reversing function for air bag pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122611299.2U CN216642434U (en) | 2021-10-28 | 2021-10-28 | Reversing valve with reversing function for air bag pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642434U true CN216642434U (en) | 2022-05-31 |
Family
ID=81732761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122611299.2U Active CN216642434U (en) | 2021-10-28 | 2021-10-28 | Reversing valve with reversing function for air bag pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642434U (en) |
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2021
- 2021-10-28 CN CN202122611299.2U patent/CN216642434U/en active Active
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