CN102937202B - A kind of automatic pressure reducing valve - Google Patents
A kind of automatic pressure reducing valve Download PDFInfo
- Publication number
- CN102937202B CN102937202B CN201110234569.0A CN201110234569A CN102937202B CN 102937202 B CN102937202 B CN 102937202B CN 201110234569 A CN201110234569 A CN 201110234569A CN 102937202 B CN102937202 B CN 102937202B
- Authority
- CN
- China
- Prior art keywords
- procapsid
- back casing
- pressure reducing
- reducing valve
- lock washer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of automatic pressure reducing valve, including back casing, it is threadably secured the procapsid being connected with described back casing, the tapered piston being flexibly connected with described back casing, there is gas release hole described back casing end, spring is had in described procapsid, described spring one end is placed in procapsid in the cavity mated with spring profile, the other end and the termination cylinder socket on described tapered piston, it is installed with lock washer between described back casing and procapsid, described lock washer there is air discharge duct, lock washer is fixedly mounted by locking slot between back casing and procapsid, gas is discharged by the exhaust groove on lock washer, so connect between each part in assembling process and be more closely unlikely to get loose, enough air pressure can be manufactured during inflation, during venting, exhaust groove can control the air-flow of air leakage, it is a kind of high accuracy and the effect more preferably automatic pressure reducing valve of inflation and aerofluxus.
Description
Technical field
The present invention relates to a kind of air relief valve, particularly a kind of automatic pressure reducing valve.
Background technology
Automatic pressure reducing valve is by regulating, inlet pressure reducing to the outlet pressure of a certain needs, and relies on the ability of medium itself, makes the valve that outlet pressure remains stable for automatically. Automatic pressure reducing valve common at present is mainly made up of back casing, procapsid, tapered piston and spring, aerofluxus discharges gas mainly through the end plate of back casing with the space of procapsid contact position, if locking too tight between this structure housing, air just cannot be discharged from the space between part, if but between housing, locked get Tai Song, air will leak and cause that compressor cannot manufacture enough pressure. Being not provided with rib and O-ring seals in the procapsid of automatic pressure reducing valve common at present, during inflation, tapered piston is excessive with procapsid contact internal walls area, so can cause that tapered piston stuck phenomenon occurs when inflation.
The front and rear housings material of automatic pressure reducing valve common at present is nylon, and tapered piston material is rubber, the phenomenon that gets loose easily occurs, it is impossible to reach enough precision in assembling process.
For problem above, it is necessary to make some and improve.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of precision higher, inflates and the better automatic pressure reducing valve of exhaust effect.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of automatic pressure reducing valve, the tapered piston that the procapsid being connected is flexibly connected it is threadably secured with described back casing with described back casing including back casing, there is gas release hole described back casing end, spring is had in described procapsid, described spring one end is placed in procapsid in the cavity mated with spring profile, the other end and the termination cylinder socket on described tapered piston, be installed with lock washer, described lock washer have air discharge duct between described back casing and procapsid.
It addition, described lock washer is additionally provided with annular groove, lock washer O-ring seals is installed in described annular groove; Described automatic pressure reducing valve is additionally provided with seal washer between described procapsid and lock washer; Having rib in described procapsid, described rib forms U-lag with procapsid inwall, is provided with procapsid O-ring seals in described U-lag. Described procapsid is provided with hex(agonal)screw head; Having hexagonal plate on described back casing, described hexagonal plate bottom surface is provided with locking slot, and described lock washer has the locking strip corresponding with locking slot position and profile.
Being described further, the material of described back casing and procapsid is nylon, and the material of described lock washer and tapered piston is powder metallurgy.
The invention has the beneficial effects as follows: the present invention is a kind of automatic pressure reducing valve, by locking slot and locking strip fixed installation lock washer between back casing and procapsid, gas is discharged by the exhaust groove on lock washer, so connect between each part in assembling process and be more closely unlikely to get loose, enough air pressure can be manufactured during inflation, during venting, the specific dimensions of exhaust groove can control the air-flow of air leakage, and the effect of inflation and aerofluxus is better. It addition, rib in procapsid and sealing ring be possible not only to prevent the air leakage between back casing and procapsid but also be possible to prevent tapered piston when inflation stuck in the front housing. The material of described front and rear housings is resistant to elevated temperatures nylon, the material of described lock washer and tapered piston is copper-base powder metallurgy, ensure that the high accuracy of automatic inflating valve, make whole automatic inflating valve close structure be not easy to get loose, be the automatic inflating valve that a kind of structure is more reliable, practicality is higher.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the assembling schematic diagram of the present invention;
Fig. 2 is the internal structure schematic diagram of the present invention;
Fig. 3 is structural representation when being in deflation status of the automatic pressure reducing valve in Fig. 2.
Detailed description of the invention
With reference to Fig. 1, Fig. 2 and Fig. 3, automatic pressure reducing valve proposed by the invention includes back casing 1, it is threadably secured the procapsid 2 being connected with described back casing 1, the tapered piston 3 being flexibly connected with described back casing 1, there is gas release hole 11 described back casing 1 end, in described procapsid, 2 have spring 4, described spring 4 one end is placed in procapsid 2 and in the cavity 5 of spring 4 form fit, the other end is connected with the termination cylinder 31 on described tapered piston 3, it is installed with lock washer 6 between described back casing 1 and procapsid 2, described lock washer 6 there is air discharge duct 61.
With reference to Fig. 2 and Fig. 3, when inflation, compressor operating, tapered piston 3 compresses spring 4, tapered piston 3 moves to procapsid 2, gas release hole 11 is blocked by tapered piston 3, only have minimum gas to disengage from gas release hole 11 before, gas enters air relief valve from the air inlet of back casing 1 by tapered piston 3 surface groove, when aerofluxus, compression air in air-tight bottle discharges when compressor does not work, now spring 4 withstand tapered piston 3 to back casing 1 direction move, time tapered piston 3 moves to certain position, gas release hole 11 is no longer blocked by tapered piston 3, the air discharge duct 61 that now air is flowed through on lock washer 6 by air leak 11 is discharged.
Additionally, described lock washer 6 there is annular groove 62, in described annular groove 62, lock washer O-ring seals 7 is installed, rib 21 is had in described procapsid 2, described rib 21 forms U-lag 22 with procapsid 2 inwall, procapsid O-ring seals 8 is installed in described U-lag 22, between described procapsid 2 and lock washer 6, is additionally provided with seal washer 9. When inflation, the end face of tapered piston 3 moves towards the end face of rib 21, is provided with procapsid O-ring seals 8 in the U-lag 22 that rib 21 and housing 2 inwall are formed, and gas can not pass through air discharge duct 61 and discharge, it is ensured that enough air pressure. Lock washer O-ring seals 7, procapsid O-ring seals 8 and seal washer 9 ensure that air-tightness when inflation and aerofluxus.
Described back casing 1 is provided with hexagonal plate 12, it is simple to assembling. There is locking slot 121 described hexagonal plate 12 bottom surface, and described lock washer 6 has the locking strip 63 corresponding with locking slot 121 position and profile. Back casing 1 and procapsid 2 are by after lock washer 6 fixed installation well, and the clamping corresponding to the locking strip 63 on lock washer 6 of the locking slot 121 on back casing 1, the position of all parts, once fix, would not get loose. It addition, turn procapsid 2 for convenience of when assembling, described procapsid 2 is additionally provided with hex(agonal)screw head 23.
Being described further, the material of described back casing 1 and procapsid 2 is resistant to elevated temperatures nylon, and 3 materials of described lock washer 6 and tapered piston are copper-base powder metallurgy, it is ensured that the high accuracy of automatic inflating valve and the compactness of structure.
The present invention is a kind of automatic pressure reducing valve, lock washer is installed between back casing and procapsid, gas is discharged by the exhaust groove on lock washer, connect between so each part and be more closely unlikely to get loose, enough air pressure can be manufactured during inflation, the air-flow of air leakage can be controlled during venting, the effect of inflation and aerofluxus is better, additionally, rib and procapsid O-ring gasket in procapsid are possible not only to ensure the sealing of valve body, but also be possible to prevent tapered piston inflation time stuck in the front housing, the material of described back casing and procapsid is resistant to elevated temperatures nylon, the material of described lock washer and tapered piston is powder metallurgy, it is that a kind of structure is more reliable, the automatic inflating valve that practicality is higher.
Certainly, the present invention is except above-mentioned embodiment, and other equivalent technical solutions should also be as within its protection domain.
Claims (8)
1. an automatic pressure reducing valve, including back casing (1), the procapsid (2) being connected it is threadably secured with described back casing (1), the tapered piston (3) being flexibly connected with described back casing (1), described back casing (1) end is provided with gas release hole (11), spring (4) it is provided with in described procapsid (2), described spring (4) one end is placed in procapsid (2) in the cavity (5) matched with spring (4) profile, the other end and termination cylinder (31) socket on described tapered piston (3), it is characterized in that: between described back casing (1) and procapsid (2), be installed with lock washer (6), described lock washer (6) is provided with air discharge duct (61).
2. automatic pressure reducing valve according to claim 1, it is characterised in that: described lock washer (6) has annular groove (62), lock washer O-ring seals (7) is installed in described annular groove (62).
3. automatic pressure reducing valve according to claim 1, it is characterised in that: described automatic pressure reducing valve is provided with seal washer (9) between described procapsid (2) and lock washer (6).
4. automatic pressure reducing valve according to claim 1, it is characterized in that: in described procapsid (2), be provided with rib (21), described rib (21) forms U-lag (22) with procapsid (2) inwall, is provided with procapsid O-ring seals (8) in described U-lag (22).
5. automatic pressure reducing valve according to claim 1, it is characterised in that: described procapsid (2) is provided with hex(agonal)screw head (23).
6. automatic pressure reducing valve according to claim 1, it is characterized in that: described back casing (1) is provided with hexagonal plate (12), described hexagonal plate (12) bottom surface is provided with locking slot (121), and described lock washer (6) is provided with the locking strip (63) corresponding with described locking slot (121) position and profile.
7. automatic pressure reducing valve according to claim 1, it is characterised in that: the material of described back casing (1) and procapsid (2) is nylon.
8. automatic pressure reducing valve according to claim 1, it is characterised in that: the material of described lock washer (6) and tapered piston (3) is copper based powder metallurgy material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234569.0A CN102937202B (en) | 2011-08-16 | 2011-08-16 | A kind of automatic pressure reducing valve |
| HK13109139.8A HK1181836A1 (en) | 2011-08-16 | 2013-08-06 | Auto decompression valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234569.0A CN102937202B (en) | 2011-08-16 | 2011-08-16 | A kind of automatic pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102937202A CN102937202A (en) | 2013-02-20 |
| CN102937202B true CN102937202B (en) | 2016-06-01 |
Family
ID=47696116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110234569.0A Active CN102937202B (en) | 2011-08-16 | 2011-08-16 | A kind of automatic pressure reducing valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102937202B (en) |
| HK (1) | HK1181836A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017068595A1 (en) * | 2015-10-23 | 2017-04-27 | Forbes Marshall Private Limited | Sample pressure reducing valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7239898B2 (en) * | 2020-03-31 | 2023-03-15 | トヨタ自動車株式会社 | Breather device |
| CN113303551B (en) * | 2021-06-17 | 2022-11-08 | 广西宁站体育科技有限公司 | Preparation method of shoe material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB891301A (en) * | 1957-10-28 | 1962-03-14 | Kidde Walter Co Ltd | Improvements in or relating to inflation apparatus |
| EP0524057A1 (en) * | 1991-07-17 | 1993-01-20 | Hutchinson | Tyre deflation mechanism, in particular for fast and controlled deflation |
| JP2002323158A (en) * | 2001-04-24 | 2002-11-08 | Mitsubishi Heavy Ind Ltd | Quick exhaust valve and tire-forming machine |
| CN1548308A (en) * | 2003-05-19 | 2004-11-24 | 大捷达实业（深圳）有限公司 | Tyre inflator |
| CN201453825U (en) * | 2009-06-17 | 2010-05-12 | 重庆普施康科技发展有限公司 | Environmentally-friendly charge-exhaust valve special for external counter pulsation |
| CN201651455U (en) * | 2010-04-30 | 2010-11-24 | 锦州红海桥橡胶有限公司 | Tire explosion-proof valve cock |
| CN101994863A (en) * | 2010-10-21 | 2011-03-30 | 孔春花 | Pressure-regulating dual anti-burst tire safety valve |
-
2011
- 2011-08-16 CN CN201110234569.0A patent/CN102937202B/en active Active
-
2013
- 2013-08-06 HK HK13109139.8A patent/HK1181836A1/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB891301A (en) * | 1957-10-28 | 1962-03-14 | Kidde Walter Co Ltd | Improvements in or relating to inflation apparatus |
| EP0524057A1 (en) * | 1991-07-17 | 1993-01-20 | Hutchinson | Tyre deflation mechanism, in particular for fast and controlled deflation |
| JP2002323158A (en) * | 2001-04-24 | 2002-11-08 | Mitsubishi Heavy Ind Ltd | Quick exhaust valve and tire-forming machine |
| CN1548308A (en) * | 2003-05-19 | 2004-11-24 | 大捷达实业（深圳）有限公司 | Tyre inflator |
| CN201453825U (en) * | 2009-06-17 | 2010-05-12 | 重庆普施康科技发展有限公司 | Environmentally-friendly charge-exhaust valve special for external counter pulsation |
| CN201651455U (en) * | 2010-04-30 | 2010-11-24 | 锦州红海桥橡胶有限公司 | Tire explosion-proof valve cock |
| CN101994863A (en) * | 2010-10-21 | 2011-03-30 | 孔春花 | Pressure-regulating dual anti-burst tire safety valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017068595A1 (en) * | 2015-10-23 | 2017-04-27 | Forbes Marshall Private Limited | Sample pressure reducing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1181836A1 (en) | 2013-11-15 |
| CN102937202A (en) | 2013-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8387650B1 (en) | Auto decompression valve | |
| US9050866B2 (en) | Sealant bottle for tire repair of gas pressure type | |
| CN102937202B (en) | A kind of automatic pressure reducing valve | |
| CN202360828U (en) | Medium-flow safety valve for compound sealing | |
| CN201651298U (en) | Sealing device characterized by corrosion resistance, high temperature resistance and high pressure resistance | |
| KR101829934B1 (en) | Bellows backup chamber | |
| CN215890381U (en) | Top-opening unloading valve for reciprocating compressor | |
| CN213776474U (en) | Quick disconnection's aerating device | |
| CN214699258U (en) | Angle type plane sealing stop valve with pressure relief function | |
| CN205836396U (en) | Tire pressure warning emitter on truck | |
| CA2810034C (en) | Sealant bottle for tire repair of gas pressure type | |
| CN204647404U (en) | What a kind of roll extrusion was fixing can pressure release compound seal valve seat construction | |
| CN108758040B (en) | Respiration pressure reducing valve | |
| CN211231079U (en) | Normally closed quick-discharge valve of tire building drum | |
| CN201844075U (en) | Combined unloading valve | |
| CN211231078U (en) | Normally open quick-discharge valve of tire building drum | |
| CN219102188U (en) | Novel durable decompression inflation control module | |
| CN204828819U (en) | Automatic relief valve | |
| CN218954041U (en) | Wheel edge valve | |
| CN201810527U (en) | Improved piston type automotive air-condition compressor cylinder | |
| CN201159283Y (en) | Case body sealing device | |
| CN217108203U (en) | Novel shaft seal structure of dry granulator | |
| CN202833025U (en) | Air valve triangle sealing gasket | |
| CN203559984U (en) | Explosion-proof valve structure for gas engine | |
| CN201925550U (en) | Pressure regulating valve and air supply device with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1181836 Country of ref document: HK |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171010 Address after: Guangdong Dongkeng Town Dongguan City Keng Mei Industrial Park No. 23 Patentee after: Dongguan Guan Xiang Motor Co., Ltd. Address before: Chinese Hongkong Tongluowan 262 Gloucester Road, 25 floor center Peng Li Patentee before: Active Tools Internat Hk Ltd. |
|
| TR01 | Transfer of patent right |