CN201925550U - Pressure regulating valve and air supply device with same - Google Patents
Pressure regulating valve and air supply device with same Download PDFInfo
- Publication number
- CN201925550U CN201925550U CN2010206334338U CN201020633433U CN201925550U CN 201925550 U CN201925550 U CN 201925550U CN 2010206334338 U CN2010206334338 U CN 2010206334338U CN 201020633433 U CN201020633433 U CN 201020633433U CN 201925550 U CN201925550 U CN 201925550U
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- China
- Prior art keywords
- pressure regulator
- regulator valve
- cavity
- air
- air outlet
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- Expired - Fee Related
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Abstract
The utility model provides a pressure regulating valve, which consists of an air inlet, an air outlet and a protecting device, wherein the protecting device is provided with a first cavity; two ends of the first cavity are respectively connected with the air inlet and the air outlet. The pressure regulating valve has a simple structure and is free from replacing a reversing valve; and the cost is saved and the work efficiency is improved.
Description
Technical field
The utility model relates to a kind of pressure regulator valve, and particularly a kind of compact structure is saved the pressure regulator valve in space and had the air feeder of this pressure regulator valve.
Background technique
Present stage, automobile generally uses Pneumatic braking system, and air feeder plays crucial effect in this system.As shown in Figure 1, existing air feeder mainly comprises air compressor 1, pressure regulator valve 2 and gas receiver 3.Wherein as shown in Figure 2, pressure regulator valve 2 includes suction port 201, one-way valve 202, air outlet 203 and protective gear 204.Produce the suction port 201 that pressurized gas P enters pressure regulator valve 2 by air compressor 1; discharge by air outlet 203 by one-way valve 22 backs, enter in the gas receiver 3 through air delivering pipeline again, wherein for preventing pressurized gas P overpressure; cause danger, the protective gear 204 of pressure regulator valve 2 shields.Particularly, when the pressure of pressurized gas P surpassed predetermined value, protective gear 204 made the air pressure in the pressure regulator valve 2 be reduced to predetermined value the automatic vent release.The effect of one-way valve 202 is mainly gas refluence in the anti-locking system, but problems such as seal failure can appear in long-time use, thereby must change whole pressure regulator valve, the cost height, and change complex procedures.For medium and small vehicle, because of car body is lighter, speed is also less, and is less demanding to the atmospheric pressure of Pneumatic braking system, and have relatively high expectations for whole vehicle compactness in addition, and therefore the air feeder of above-mentioned Pneumatic braking system can't satisfy the demand of medium and small vehicle.
The model utility content
At the technical problem of above-mentioned proposition, the purpose of this utility model is to provide a kind of pressure regulator valve.This pressure regulator valve is simple in structure, and need not to change one-way valve, saves cost and has improved working efficiency.
For achieving the above object, the utility model provides a kind of pressure regulator valve, is made up of suction port, air outlet and protective gear, and wherein protective gear has first cavity, and these first cavity two ends are connected with described suction port and air outlet respectively.
According to design of the present utility model, described protective gear has sealed department and exhaust portion, and wherein said sealed department is arranged on described first cavity, and described exhaust portion is connected with described sealed department, and this exhaust portion is provided with exhaust port.
According to design of the present utility model, have sealing gasket on the described sealed department and return spring on the sealing pad is set.
According to design of the present utility model, have piston on the described sealed department, described exhaust portion has second cavity, and described piston is placed in described second cavity.
According to design of the present utility model, when the first cavity internal air pressure is no more than default value, described both seals is connected on described first cavity, and described piston blocks described exhaust port.
According to design of the present utility model, when the first cavity internal air pressure surpassed default value, described sealing gasket broke away from this first cavity, and described piston breaks away from described exhaust port.
Another purpose of the utility model is to provide a kind of air feeder of Pneumatic braking system.This air feeder compact structure satisfies the demand of medium and small vehicle.
For achieving the above object, the utility model provides a kind of air feeder of Pneumatic braking system, it comprises: air compressor, gas receiver and above-mentioned pressure regulator valve, wherein, this pressure regulator valve is fixedly set on the described gas receiver, this pressure regulator valve suction port is connected with air compressor, and the air outlet is connected with described gas receiver.
According to design of the present utility model, the air outlet of described pressure regulator valve is arranged on the described gas receiver.
Pressure regulator valve of the present utility model has beneficial effect and really is: this pressure regulator valve to the less demanding characteristics of braking pressure, has omitted the one-way valve part according to medium and small vehicle, and having avoided needed to change the problem of whole pressure regulator valve owing to one-way valve loses efficacy, and has saved cost.Owing to omitted the one-way valve part, the pressure regulator valve overall dimensions is dwindled, thereby saved the car body inner space simultaneously, make vehicle more compact.The air supply system that the utility model provides, owing to used this pressure regulator valve, and saved the space.In addition,, and make pressure regulator valve directly to be connected, saved air delivering pipeline, thereby avoided the pressure loss in the process of air delivery, saved the pipeline cost, further improved the compactedness of vehicle with gas receiver because this pressure regulator valve has omitted the one-way valve part.
Description of drawings
Fig. 1 is the air feeder schematic representation of Pneumatic braking system in the prior art;
Fig. 2 is a pressure regulator valve schematic representation in the prior art;
Fig. 3 is a pressure regulator valve schematic representation of the present utility model;
Fig. 4 is the air feeder schematic representation of Pneumatic braking system of the present utility model.
The critical piece explanation
Embodiment
For ease of better understanding the utility model, now in conjunction with the accompanying drawings a preferred embodiment of the present utility model is described in detail as follows:
Please refer to Fig. 3, Fig. 3 is the utility model pressure regulator valve schematic representation.As shown in Figure 3, pressure regulator valve 2 mainly is made up of suction port 201, air outlet 203 and protective gear 204, and wherein protective gear 204 has first cavity, 205, the first cavitys, 205 two ends and is connected with suction port 201 and air outlet 203 respectively.Protective gear 204 has sealed department 206 and exhaust portion 207, and sealed department 206 is arranged on first cavity 205, has sealing gasket 209, return spring 210 and piston 211 on it are set.Exhaust portion 207 is connected with sealed department 206, and it is provided with exhaust port 208, is provided with second cavity 212 in exhaust portion 207 inside, and piston 211 is placed in second cavity 212.
Pressurized gas P enters in the pressure regulator valve 2 from suction port 201, by 203 outflows from the air outlet of first cavity 205.When not surpassing default value by the pressurized gas P air pressure in first cavity 205, sealing gasket 209 is sealedly attached on first cavity 205 under the elastic force effect of return spring 210, piston 211 shutoff exhaust ports 207.When surpassing default value by the pressurized gas P air pressure in first cavity 205; act on gas pressure on the sealing gasket 209 greater than the elastic force of return spring 210; sealing gasket 209 breaks away from first cavity 205; pressurized gas P enters in second cavity 212 of exhaust portion 207; because sealing gasket 209 mobile makes the also corresponding generation of piston 211 move and breaks away from exhaust port 207; the pressurized gas P that has entered in second cavity 212 discharges by exhaust port 207; whole air pressure reduces in the pressure regulator valve 2 thereby make, and has played the effect of protection pressure regulator valve 2.In addition; because medium and small vehicle is less demanding to braking pressure; and protective gear 204 deflation rate are enough fast; therefore only be provided with the air pressure safety that protective gear 204 can guarantee pressure regulator valve 2; simultaneously also be enough to make between suction port 201 and the air outlet 203 and have enough pressure differences; prevent that gas from flowing backwards, and can replace abridged one-way valve part fully.
Please refer to Fig. 4, Fig. 4 is the air feeder schematic representation of Pneumatic braking system of the present utility model.As shown in Figure 4, this air feeder comprises air compressor 1, pressure regulator valve 2 and gas receiver 3.Wherein, pressure regulator valve 2 is fixedly set on the gas receiver 3, and the suction port 201 of pressure regulator valve 2 is connected with air compressor 1, and air outlet 23 is connected with gas receiver 3.In the present embodiment, the air outlet 23 of pressure regulator valve 2 is arranged on the gas receiver 3, but the utility model is not limited to this.Omitted the air delivering pipeline between pressure regulator valve air outlet and the gas receiver in this air feeder, air feeder has been taken up space reduce, thereby made vehicle more compact.
Above-described; it only is preferred embodiment of the present utility model; be not in order to limit scope of the present utility model; be that every simple, equivalence of doing according to the claims and the description of the utility model application changes and modification, all fall into the claim protection domain of the utility model patent.
Claims (6)
1. a pressure regulator valve is characterized in that, is made up of suction port, air outlet and protective gear, and wherein protective gear has first cavity, and these first cavity two ends are connected with described suction port and air outlet respectively.
2. pressure regulator valve as claimed in claim 1 is characterized in that described protective gear has sealed department and exhaust portion, and wherein said sealed department is arranged on described first cavity, and described exhaust portion is connected with described sealed department, and this exhaust portion is provided with exhaust port.
3. pressure regulator valve as claimed in claim 2 is characterized in that, has sealing gasket on the described sealed department and return spring on the sealing pad is set.
4. pressure regulator valve as claimed in claim 3 is characterized in that, has piston on the described sealed department, and described exhaust portion has second cavity, and described piston is placed in described second cavity.
5. the air feeder of a Pneumatic braking system, it is characterized in that, comprise: air compressor, gas receiver reach as each described pressure regulator valve in the claim 1 to 4, wherein, this pressure regulator valve is fixedly set on the described gas receiver, this pressure regulator valve suction port is connected with air compressor, and the air outlet is connected with described gas receiver.
6. air feeder as claimed in claim 5 is characterized in that the air outlet of described pressure regulator valve is arranged on the described gas receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206334338U CN201925550U (en) | 2010-11-25 | 2010-11-25 | Pressure regulating valve and air supply device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206334338U CN201925550U (en) | 2010-11-25 | 2010-11-25 | Pressure regulating valve and air supply device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925550U true CN201925550U (en) | 2011-08-10 |
Family
ID=44429398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206334338U Expired - Fee Related CN201925550U (en) | 2010-11-25 | 2010-11-25 | Pressure regulating valve and air supply device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795850A (en) * | 2017-11-24 | 2018-03-13 | 乐山川天燃气输配设备有限公司 | Remote controlled pressure regulator |
-
2010
- 2010-11-25 CN CN2010206334338U patent/CN201925550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795850A (en) * | 2017-11-24 | 2018-03-13 | 乐山川天燃气输配设备有限公司 | Remote controlled pressure regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20191125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |