CN1036368A - Car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder - Google Patents
Car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder Download PDFInfo
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- CN1036368A CN1036368A CN 88105241 CN88105241A CN1036368A CN 1036368 A CN1036368 A CN 1036368A CN 88105241 CN88105241 CN 88105241 CN 88105241 A CN88105241 A CN 88105241A CN 1036368 A CN1036368 A CN 1036368A
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- braking
- compressed air
- during standstill
- mating type
- brake
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Abstract
A kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder, form a preceding air chamber and a rear gas chamber by rubber cup and front end cover, rear side housing, and employing compression spring energy storage, current rear gas chamber pressure is because vehicle starting stage air pressure deficiency, pipeline breaking or driving engine during driving, air compressor et out of order and when producing overbalance spring force discharge and play brake action.Can be widely used on the various automobiles, have the advantage that emergency brake, service brake and braking during standstill are combined as a whole.
Description
The invention belongs to improvement to auto brake system.
Since first automobile came out in the world, the reliability of automobile brake was one of important topic of studying of people always.Because the automobile of a function admirable not only will have good dynamic property and economy, also the failure-free braking ability to be arranged, to guarantee the safety of driving.The failure-free braking ability has been arranged, and chaufeur just dare to have been given play to the ability of running at high speed of automobile, thereby improves the capacity rating of vehicular transport.
The brake system of present automobile generally has two systems: the one, and the chaufeur foot brake of pedal control, it often uses in driving, claims the service brake device again.Another set of is chaufeur with the hand brake device that pulls manipulation, prevents automobile slip after being mainly used in parking, therefore claims holding brake device again.If but brake failure can take place for air pressure reduction in the process of moving, pipeline breaking or driving engine, air compressor et out of order, may cause any property loss, even threaten personal safety.Air braking systems as " liberation " and " east wind " automobile, when the driver steps on brake pedal, brake activation valve is opened the passage of air tank to compressed air brake cylinder, make the pressurized air in the air tank enter compressed air brake cylinder through brake activation valve, it is protruding to promote the compressed air brake cylinder push rod, by the brake control lever rotating cam, cam orders about brake shoe brake cheek and opens, and compresses brake wheel and makes wheel braking.During the loosen the brake pedal, the compressed gas in the compressed air brake cylinder flows back to brake activation valve, and through the brake activation valve exhaust to atmosphere, brake shoe brake cheek is retracted original position by pull back spring, thus brake off.
The shell of compressed air brake cylinder (1) and lid (3) bolt together have canvas filler layer rubber diaphragm (2) between shell and the lid together, form an air chamber (9) between diaphragm and the lid, and the gas that connects that covers is connected by tracheae and brake activation valve with brake hose (5).The another side of rubber diaphragm contacts with disk on the push rod (4), is with diaphragm return spring (6) on the push rod, and the other end of push rod has shaft clevis (7), in order to connect adjusting arm (8).After pressurized air entered compressed air brake cylinder (9), rubber diaphragm straightened, and promoted push rod and adjusting arm, and camshaft is rotated, and the drive brake shoe brake cheek opens presses to brake wheel, produces brake action.The compressed air brake cylinder of this kind structure, only when entering compressed air brake cylinder and reach certain pressure, pressurized air just can play brake action, and when the air pressure deficiency in vehicle starting stage, to there be enough air pressure that rubber diaphragm is straightened when pipeline breaking or driving engine, air compressor et out of order, promote push rod and adjusting arm, and make brake failure.
Technical essential of the present invention is to change the drag air chamber into former and later two air chamber by an air chamber, adopts spring to be pre-stressed to the required power of normal brake application.The common air pressure of current air chamber, the compression spring energy storage, the front and back air chamber is in state of equilibrium.Rear gas chamber's air inlet during normal brake application has destroyed above balance, and spring force discharges, and plays brake action.When air pressure reduced, preceding air chamber pressure reduced, and spring force discharges, and plays brake action.During Parking, bleed off by air chamber gas before the rapid release valve goalkeeper, spring force discharges, and plays the effect of braking.
Fig. 1 is " liberation " and " east wind " automobile brake chamber scheme drawing.
Fig. 2 is an emergency brake compressed air brake cylinder scheme drawing.
(11) are front forks among Fig. 2, front fork is connected with push rod (13) by adjusting nut (12), in order to adjust the distance between front fork and the push rod, that is to say the pretightning force of adjusting energy-stored spring (23) (24), the front fork screw thread adopts left hand thread, push rod adopts right-handed thread, the corresponding employing bidirectional helical of adjusting nut. (14) be putter sleeve, cover has sealing ring (15) on the push rod, prevent compressed air leakage, (16) be drive end bearing bracket, air admission hole (26) is arranged on the drive end bearing bracket, air chamber (18) before drive end bearing bracket and rubber cup (17) front end forms, rubber cup rear end and rear end cap (19) form a rear gas chamber (20), enter hole (27) on the rear end cap. Rubber cup is connected by nut (21) with push rod, and there is a stiffener (22) the rubber cup rear end. Energy-stored spring (23) (24) one ends withstand on the stiffener, and an end withstands on the rear end cap bottom.
When entering rear gas chamber, pressurized air destroyed balance between preceding air chamber pressure and the spring force, spring force discharges and plays brake action, air chamber pressure reduces before when air pressure reduces, spring force discharges, energy stroage spring will promote rubber cup drive push rod and move this moment, play braking effect.For the charging volume that reduces rear gas chamber shortens the braking response time, set up a stopper (25) in energy stroage spring inside, also can be Tetramunes such as plastics, rubber.
Front and rear cover and rubber cup are compressed by hold-down ring (10) and are separated into two air chambers.Rubber cup also can be replaced by piston mobile.
The present invention can be widely used on the various automobiles, has emergency brake, the advantage that service brake and braking during standstill are combined as a whole.Emergency brake usefulness is 100% of service brake usefulness.Promptly when ante-chamber does not have air pressure, can play the braking effect identical fully with service brake.
Claims (8)
1, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder, by front fork (11), adjustment nut (12), push rod (13), front end cover (16), rear side housing (19), rubber cup (17), energy stroage spring (23) (24), stopper (25) is formed, it is characterized in that by rubber cup (17) and front end cover (16), rear side housing (19) is formed a preceding air chamber (18) and a rear gas chamber (20).
2, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that induction opening (26) is arranged on the described front end cover (16), and induction opening (27) is arranged on the rear side housing.
3, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that described front fork (11) screw thread adopts minus thread, and push rod (13) adopts right-hand screw thread, and adjustment nut (12) adopts bidirectional helical.
4, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that being with seal ring (15) on the described push rod (13), prevent the pressurized air leakage.
5, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that there is a brace panel (22) described rubber cup (17) rear end.
6, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that described energy stroage spring (23) (24) one ends withstand on the brace panel, and an end withstands on rear side housing (19) bottom.
7, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that described rubber cup (17) can be replaced by piston mobile.
8, a kind of car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder is characterized in that materials such as the available plastics of described stopper (25), rubber make, and its position is installed in energy stroage spring (23) (24) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105241 CN1036368A (en) | 1988-04-04 | 1988-04-04 | Car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105241 CN1036368A (en) | 1988-04-04 | 1988-04-04 | Car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1036368A true CN1036368A (en) | 1989-10-18 |
Family
ID=4833455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105241 Pending CN1036368A (en) | 1988-04-04 | 1988-04-04 | Car emergency braking, service brake and braking during standstill mating type compressed air brake cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1036368A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085791A (en) * | 2013-01-31 | 2013-05-08 | 杨勇 | Pressure storage balance type brake anti-lock method |
| CN110281883A (en) * | 2019-08-05 | 2019-09-27 | 常州机电职业技术学院 | Fixed caliper with parking function and electronic hydraulic brake system |
| CN110785330A (en) * | 2017-06-16 | 2020-02-11 | 克诺尔商用车制动***有限公司 | Vehicle brake system |
| CN113830046A (en) * | 2021-10-29 | 2021-12-24 | 福州大学 | Efficient braking system based on heavy-duty truck and working method thereof |
-
1988
- 1988-04-04 CN CN 88105241 patent/CN1036368A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085791A (en) * | 2013-01-31 | 2013-05-08 | 杨勇 | Pressure storage balance type brake anti-lock method |
| CN110785330A (en) * | 2017-06-16 | 2020-02-11 | 克诺尔商用车制动***有限公司 | Vehicle brake system |
| US11318922B2 (en) | 2017-06-16 | 2022-05-03 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Vehicle brake system |
| CN110785330B (en) * | 2017-06-16 | 2022-08-02 | 克诺尔商用车制动***有限公司 | Vehicle brake system |
| CN110281883A (en) * | 2019-08-05 | 2019-09-27 | 常州机电职业技术学院 | Fixed caliper with parking function and electronic hydraulic brake system |
| CN113830046A (en) * | 2021-10-29 | 2021-12-24 | 福州大学 | Efficient braking system based on heavy-duty truck and working method thereof |
| CN113830046B (en) * | 2021-10-29 | 2022-06-21 | 福州大学 | Efficient braking system based on heavy-duty truck and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |