CN102364186B - Pneumatic control stop valve - Google Patents
Pneumatic control stop valve Download PDFInfo
- Publication number
- CN102364186B CN102364186B CN201110300311.6A CN201110300311A CN102364186B CN 102364186 B CN102364186 B CN 102364186B CN 201110300311 A CN201110300311 A CN 201110300311A CN 102364186 B CN102364186 B CN 102364186B
- Authority
- CN
- China
- Prior art keywords
- lower shell
- shell body
- eardrum
- joint
- piston rod
- 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.)
- Expired - Fee Related
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Abstract
The invention discloses a pneumatic control stop valve comprising a lower shell and an upper shell, wherein the upper shell is connected to the top of the lower shell; a side hole is arranged at the side part of the lower shell; a bottom hole is arranged at the lower part of the lower shell; a control air hole is arranged in the upper shell; a drum membrane is arranged at a joint of the upper shell and the lower shell; a drum membrane clamping plate is arranged in the upper shell; a small piston is arranged in the lower shell; a piston rod sequentially penetrates through the drum membrane clamping plate and the drum membrane; the small piston extends into an inner cavity of the lower shell; the step of the piston rod abuts against the drum membrane clamping plate; a nut on the piston rod is pressed on the small piston; a fixing hollow joint is installed in the side hole of the lower shell; an air vent is transversely arranged in the fixing hollow joint; an air inlet joint is installed in the bottom hole of the lower shell; an air inlet hole is arranged in the air inlet joint; a valve is also arranged in the inner cavity of the lower shell; and a spring is connected between the valve and the air inlet joint. The pneumatic control stop valve has the advantages of simple structure, easiness for realization and capability of effectively improving the sensitivity and further improving the driving safety of a car.
Description
Technical field
The present invention relates to auto parts machinery field, be specially a kind of gas control shutoff valve.
Background technique
Gas control shutoff valve is the vitals in automobile air path braking system, and its effect makes the gas circuit of gas circuit braking system disconnect or be communicated with.The sensitivity of gas control shutoff valve is significant to running safety, the gas control shutoff valve complex structure of prior art, and to the disconnection of gas circuit or to be communicated with movement speed slow, sensitivity is low, affects the traffic safety of automobile.
Summary of the invention
The object of the invention is to provide a kind of gas control shutoff valve, to solve the low problem of prior art gas control shutoff valve sensitivity.
In order to achieve the above object, the technical solution adopted in the present invention is:
Gas control shutoff valve, comprise the lower shell body with inner chamber, and be connected to the upper shell at lower shell body top, described lower shell body sidepiece has side opening, lower shell body bottom has bottom outlet, the control pore be communicated with lower housing cavity is had in described upper shell, it is characterized in that: on described, lower shell body joint is provided with eardrum, be arranged in upper shell and be provided with the eardrum clamping plate being pressed in eardrum top, be arranged in lower shell body and be provided with the small piston being pressed in eardrum bottom, upper end is had to be shaped to the piston rod of step successively through eardrum clamping plate, eardrum, small piston stretches in lower housing cavity, the step of piston rod is pressed on eardrum clamping plate, described upper cover of piston rod is pressed in coordinate on small piston and with piston rod step and clamps eardrum clamping plate, eardrum, the nut of small piston, fixation hollow joint is installed in the side opening of described lower shell body, the exhaust port be communicated with lower housing cavity is horizontally arranged with in described fixation hollow joint, in the bottom outlet of described lower shell body, air input joint is installed, the step-like inlet hole being communicated with lower housing cavity and lower shell body outside is had in described air input joint, described piston-rod lower end points to air input joint, the valve between piston rod and air input joint is also provided with in lower housing cavity, spring is connected with bottom described valve and between air input joint inlet hole step place.
Described gas control shutoff valve, it is characterized in that: described lower shell body bottom outlet is made up of the cone shape hole section on top and the straight hole section of bottom, and the cone shape hole section top end diameter of lower shell body bottom outlet is greater than bottom diameter, the nut screw connection outside the cone shape hole section inner hole wall of described bottom outlet and piston rod is with spacing.
Described gas control shutoff valve, is characterized in that: described fixation hollow joint exhaust port aperture place is provided with the dustproof sheet with gas permeability, is positioned at dustproof sheet center and is provided with dust-proof plug screw.
Described gas control shutoff valve, is characterized in that: described fixation hollow joint outer wall forms step, and fixation hollow joint is coordinated with spacing with side opening port wall by the step of outer wall.
Described gas control shutoff valve, is characterized in that: described air input joint outer wall forms step, and air input joint is coordinated with spacing with bottom outlet port wall by the step of outer wall.
Described gas control shutoff valve, is characterized in that: described valve outer wall forms step, and described valve is coordinated with spacing with air input joint inlet hole top port wall by the step of outer wall.
Structure of the present invention is simple, be easy to realize, the eardrum clamping plate jointly clamped by piston rod step and piston rod upper cap nut are provided with in lower shell body, eardrum, small piston, control gas is made to enter lower housing cavity from upper shell by the control pore in upper shell, because eardrum can be out of shape easily, therefore the quick acting of piston rod can be realized, being pressed down by piston rod is pressed in aperture, air input joint inlet hole top by valve, the disconnection of gas circuit can be realized, spring between valve and inlet hole step place can realize automatically reseting of piston rod, the dustproof sheet installed in exhaust port is while making gas discharge, can effectively prevent entering of external dust.The present invention effectively can improve the sensitivity of gas control shutoff valve, and then improves the Security of running.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1.Gas control shutoff valve, comprise the lower shell body 1 with inner chamber, and be connected to the upper shell 2 at lower shell body 1 top, lower shell body 1 sidepiece has side opening, lower shell body 1 bottom has bottom outlet, the control pore 3 with lower shell body 1 inner space is had in upper shell 2, on, lower shell body 2, 1 joint is provided with eardrum 4, be arranged in upper shell 2 and be provided with the eardrum clamping plate 5 being pressed in eardrum 4 top, be arranged in lower shell body 1 and be provided with the small piston 6 being pressed in eardrum 4 bottom, upper end is had to be shaped to the piston rod 8 of step 7 successively through eardrum clamping plate 5, eardrum 4, small piston 6 stretches in lower shell body 1 inner chamber, the step of piston rod 8 supports 7 and is pressed on eardrum clamping plate 5, on piston rod 8, cover is pressed in coordinate on small piston 6 and with piston rod 8 step 7 and clamps eardrum clamping plate 5, eardrum 4, the nut 9 of small piston 6, fixation hollow joint 10 is installed in the side opening of lower shell body 1, the exhaust port 11 with lower shell body 1 inner space is horizontally arranged with in fixation hollow joint 10, air input joint 12 is installed in the bottom outlet of lower shell body 1, the step-like inlet hole 13 being communicated with lower shell body 1 inner chamber and lower shell body 1 outside is had in air input joint 12, air input joint 12 is pointed in piston rod 8 lower end, the valve 14 between piston rod 8 and air input joint 12 is also provided with in lower shell body 1 inner chamber, spring 15 is connected with bottom valve 14 and between air input joint 12 inlet hole 13 step place.
Lower shell body 1 bottom outlet is made up of the cone shape hole section on top and the straight hole section of bottom, and the cone shape hole section top end diameter of lower shell body 1 bottom outlet is greater than bottom diameter, and the cone shape hole section inner hole wall 16 of bottom outlet coordinates with the nut 9 outside piston rod 8 with spacing.
Fixation hollow joint 10 exhaust port 11 aperture place is provided with the dustproof sheet 17 with gas permeability, is positioned at dustproof sheet 17 center and is provided with dust-proof plug screw 18.
Fixation hollow joint 10 outer wall forms step, and fixation hollow joint 10 is coordinated with spacing with side opening port wall by the step of outer wall.
Air input joint 12 outer wall forms step, and air input joint 12 is coordinated with spacing with bottom outlet port wall by the step of outer wall.
Valve 14 outer wall forms step, and valve 14 is coordinated with spacing with air input joint 12 inlet hole 13 top port wall by the step of outer wall.
Claims (1)
1. gas control shutoff valve, comprise the lower shell body with inner chamber, and be connected to the upper shell at lower shell body top, described lower shell body sidepiece has side opening, lower shell body bottom has bottom outlet, the control pore be communicated with lower housing cavity is had in described upper shell, it is characterized in that: on described, lower shell body joint is provided with eardrum, be arranged in upper shell and be provided with the eardrum clamping plate being pressed in eardrum top, be arranged in lower shell body and be provided with the small piston being pressed in eardrum bottom, upper end is had to be shaped to the piston rod of step successively through eardrum clamping plate, eardrum, small piston stretches in lower housing cavity, the step of piston rod is pressed on eardrum clamping plate, described upper cover of piston rod is pressed in coordinate on small piston and with piston rod step and clamps eardrum clamping plate, eardrum, the nut of small piston, fixation hollow joint is installed in the side opening of described lower shell body, the exhaust port be communicated with lower housing cavity is horizontally arranged with in described fixation hollow joint, in the bottom outlet of described lower shell body, air input joint is installed, the step-like inlet hole being communicated with lower housing cavity and lower shell body outside is had in described air input joint, described piston-rod lower end points to air input joint, the valve between piston rod and air input joint is also provided with in lower housing cavity, spring is connected with bottom described valve and between air input joint inlet hole step place, spring meets automatically reseting of piston rod, described lower shell body bottom outlet is made up of the cone shape hole section on top and the straight hole section of bottom, and the cone shape hole section top end diameter of lower shell body bottom outlet is greater than bottom diameter, and the nut screw connection outside the cone shape hole section inner hole wall of described bottom outlet and piston rod is with spacing, described fixation hollow joint exhaust port aperture place is provided with the dustproof sheet with gas permeability, is positioned at dustproof sheet center and is provided with dust-proof plug screw, described fixation hollow joint outer wall forms step, and fixation hollow joint coordinates with spacing by the step of outer wall with side opening port wall, described air input joint outer wall forms step, and air input joint coordinates with spacing by the step of outer wall with bottom outlet port wall, described valve outer wall forms step, and described valve is coordinated with spacing with air input joint inlet hole top port wall by the step of outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300311.6A CN102364186B (en) | 2011-09-28 | 2011-09-28 | Pneumatic control stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300311.6A CN102364186B (en) | 2011-09-28 | 2011-09-28 | Pneumatic control stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102364186A CN102364186A (en) | 2012-02-29 |
| CN102364186B true CN102364186B (en) | 2015-05-13 |
Family
ID=45690768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300311.6A Expired - Fee Related CN102364186B (en) | 2011-09-28 | 2011-09-28 | Pneumatic control stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102364186B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633247A (en) * | 2014-12-29 | 2015-05-20 | 李春松 | Axial-flow type air control balance stop valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3907379A (en) * | 1973-02-13 | 1975-09-23 | Girling Ltd | Control valve for anti-skid air braking system |
| CN2127692Y (en) * | 1992-07-04 | 1993-03-03 | 张军 | Brake valve for lorry trailers |
| CN2158821Y (en) * | 1993-04-08 | 1994-03-16 | 公主岭中大股份有限公司 | Braking valve for trailer of motor vehicle |
| CN101292107A (en) * | 2005-08-16 | 2008-10-22 | 霍尔德克斯制动产品有限公司 | Valve |
| CN201326792Y (en) * | 2008-12-31 | 2009-10-14 | 迅达集团湖北迅达科技有限公司 | Methane constant pressure valve |
| CN202302237U (en) * | 2011-09-28 | 2012-07-04 | 芜湖市安芜汽车制动元件有限公司 | Pneumatically-controlled stop valve |
-
2011
- 2011-09-28 CN CN201110300311.6A patent/CN102364186B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3907379A (en) * | 1973-02-13 | 1975-09-23 | Girling Ltd | Control valve for anti-skid air braking system |
| CN2127692Y (en) * | 1992-07-04 | 1993-03-03 | 张军 | Brake valve for lorry trailers |
| CN2158821Y (en) * | 1993-04-08 | 1994-03-16 | 公主岭中大股份有限公司 | Braking valve for trailer of motor vehicle |
| CN101292107A (en) * | 2005-08-16 | 2008-10-22 | 霍尔德克斯制动产品有限公司 | Valve |
| CN201326792Y (en) * | 2008-12-31 | 2009-10-14 | 迅达集团湖北迅达科技有限公司 | Methane constant pressure valve |
| CN202302237U (en) * | 2011-09-28 | 2012-07-04 | 芜湖市安芜汽车制动元件有限公司 | Pneumatically-controlled stop valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102364186A (en) | 2012-02-29 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20150928 |
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| EXPY | Termination of patent right or utility model |