CN103204152A - Pipeline system for relieving hand brake locking outside vehicle - Google Patents
Pipeline system for relieving hand brake locking outside vehicle Download PDFInfo
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- CN103204152A CN103204152A CN2013101599646A CN201310159964A CN103204152A CN 103204152 A CN103204152 A CN 103204152A CN 2013101599646 A CN2013101599646 A CN 2013101599646A CN 201310159964 A CN201310159964 A CN 201310159964A CN 103204152 A CN103204152 A CN 103204152A
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- brake locking
- parking brake
- air
- relief valve
- pipeline system
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Abstract
The invention relates to a pipeline system for relieving hand brake locking outside a vehicle. The pipeline system for relieving hand brake locking outside the vehicle comprises an air reservoir, a hand brake locking relieving valve and a hand braking air chamber, which are sequentially connected; and when the hand brake locking relieving valve is opened or closed, the air reservoir and the hand braking air chamber are at the communicated or disconnected state. According to the technical scheme, when the hand brake locking relieving valve of a pipeline provided by the invention is at the closed state, the air reservoir and the hand braking air chamber are not communicated, and a vehicle runs normally; and when hand brake locking happens to the vehicle, the hand brake locking relieving valve is opened, so that the air reservoir and the hand braking air chamber are at the communicated state, that is, the air reservoir can supply air to the hand braking air chamber, thereby relieving the hand brake locking phenomenon.
Description
Technical field
The present invention relates to a kind of car and remove the pipeline system of parking brake locking outward.
Background technology
Holding brake device and the emergency brake device of passenger vehicle combine, and all are to uphold the actuating cam axle by the energy stroage spring of back compressed air brake cylinder spring energy-storage part brake strap is opened, and make the rear wheel drg realize braking with locked wheels.During driving, to hand brake valve, open admission port and make pressurized air enter rear brake chamber spring energy-storage partly to compress its inner spring, brake off by the control mouth that enters the differential type relay valve through hand braking air receiver for pressurized air.But in when driving, if whole tightness goes wrong, back compressed air brake cylinder can't obtain pressurized air, and then the car load back axle will locking, i.e. parking brake locking, and this is in order to guarantee that car load can be in the situation down train that does not have to brake.Under the situation of parking brake locking, adopt trailer just to need to remove the parking brake locking if desired.At present, the parking brake locking disarmed mode of domestic passenger vehicle mainly comprises following two kinds: one is to utilize outer source of the gas to the hand braking air receiver inflation of car load, and no matter outer source of the gas is that passenger vehicle company buys inflation pump by oneself or can realize the releasing of parking brake locking by bleeding a tire; Another is in the braking during standstill air chamber back cover screw rod to be arranged, and uses spanner or sleeve, unscrews screw rod and removes up to braking, writes down the number of turns that unscrews so that recovery unscrews another air chamber with quadrat method.Above-mentioned dual mode is all feasible, all wastes time and energy but operate, if this moment, passenger vehicle was trapped in the more non-safety zone of vehicle, not only can cause traffic congestion, and safety also can not get ensureing.
Summary of the invention
The object of the present invention is to provide a kind of car to remove the pipeline system of parking brake locking outward, this pipeline system can be removed the parking brake locking fast, vehicle is left fast by trailer be detained the road surface.
For achieving the above object, the present invention has adopted following technical scheme: comprise successively the air receiver, parking brake locking relief valve and the hand braking air chamber that link to each other, parking brake locking relief valve is opened or when closed, air receiver is in the state that is communicated with or disconnects with hand braking air chamber.
Be provided with the bilateral check valve between described parking brake locking relief valve and the hand braking air chamber.
Described parking brake locking relief valve is two position three-way valve, comprise admission port, air extractor duct and exhausr port, described parking brake locking relief valve also comprises control handle, when described control handle is opened, admission port and air extractor duct are connected, when described control handle is closed, inlet close, air extractor duct is connected with exhausr port.
The air extractor duct of described air receiver links to each other with the admission port of parking brake locking relief valve.
The admission port of described air receiver links to each other with the car load source of the gas, is provided with check valve between the admission port of described air receiver and the car load source of the gas.
Described bilateral check valve comprises first, second admission port and first air extractor duct, and described first admission port links to each other with parking brake locking relief valve, and described second admission port links to each other with differential valve, and described first air extractor duct links to each other with hand braking air chamber.
Described parking brake locking relief valve is arranged on the position that car load is convenient to control.
As shown from the above technical solution, when the parking brake locking relief valve of pipeline of the present invention was in closure state, air receiver was not communicated with normal vehicle operation with hand braking air chamber; When the situation of parking brake locking appears in vehicle, open parking brake locking relief valve, make air receiver and hand braking air chamber be in connected state, namely air receiver can be to hand braking air chamber air feed, thereby removes the phenomenon of parking brake locking.
Description of drawings
Fig. 1 is system diagram of the present invention;
Fig. 2 is the structural representation of parking brake locking relief valve of the present invention.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing:
A kind of car is as shown in Figure 1 removed the pipeline system of parking brake locking outward, comprise the air receiver 1, parking brake locking relief valve 2 and the hand braking air chamber 3 that link to each other successively, wherein, parking brake locking relief valve 2 is opened or when closed, air receiver 1 is in the state that is communicated with or disconnects with hand braking air chamber 3.
Further, as shown in Figure 2, parking brake locking relief valve 2 is two position three-way valve, comprise admission port 21, air extractor duct 22 and exhausr port 23, parking brake locking relief valve 2 also comprises control handle 24, when control handle 24 is opened, admission port 21 and air extractor duct 22 are connected, during control handle 24 closures, inlet close 21, air extractor duct 22 is connected with exhausr port 23.In other words just control handle 24 can be controlled its air flow line, and when control handle 24 was opened, admission port 21 was communicated with air extractor duct 22, can remove the parking brake locking to hand braking air chamber 3 air feed; During control handle 24 closures, admission port 21 is closed, air extractor duct 22 is communicated with exhausr port 23, at this moment hand braking air chamber 3 can be by exhausr port 23 discharged to atmosphere to the air between the parking brake locking relief valve 2, parking brake locking relief valve 2 can be implemented in car and utilizes opening of control handle 24 or closure outward, comes the gas circuit of fast quick-recovery or cut-out admission port 21 and air extractor duct 22 to be connected.
Further, the air extractor duct of air receiver 1 links to each other with the admission port 21 of parking brake locking relief valve 2.
Further, the admission port of air receiver 1 links to each other with car load source of the gas 5, is provided with check valve 6 between air receiver 1 and the car load source of the gas 5.Check valve 6 is set guarantees that air receiver 1 is can be because of the air-tightness of car load not former thereby cause the air pressure deficiency.
Further, be provided with bilateral check valve 4 between parking brake locking relief valve 2 and the hand braking air chamber 3.
Further, bilateral check valve 4 comprises that first, second admission port 41,42 and first air extractor duct, 43, the first admission ports 41 link to each other with parking brake locking relief valve 2, and second admission port 42 links to each other with differential valve 7, and first air extractor duct 43 links to each other with hand braking air chamber 3.Bilateral check valve 4 is set can make pipeline system of the present invention and the original hand braking pipeline of vehicle form two independently pipeline systems, under the normal situation of car load parking brake, bilateral check valve 4 can allow pipeline system of the present invention " stealth ", first admission port 41 that is bilateral check valve 4 is in closed condition, second admission port 42 is communicated with differential valve 7 in the former pipeline, does not influence the use of former pipeline fully; Under the unusual situation of car load parking brake, can open parking brake locking relief valve 2, at this moment pressurized air presses to another direction with the piston in the bilateral check valve 4, namely first admission port 41 is opened, second admission port 42 is closed, and at this moment pressurized air is removed the parking brake locking to hand braking air chamber air feed.
Further, parking brake locking relief valve 2 is arranged on the position that car load is convenient to control, and is preferred, can be arranged on place, the outer back axle shirt rim of car, is convenient to people and conveniently controls when needed.
Concrete use of the present invention is as follows:
Pipeline system of the present invention is increase at former pipeline one section independently pipeline system, and under the normal situation of car load parking brake, parking brake locking relief valve 2 is in closure state; Under the unusual situation of car load parking brake, open parking brake locking relief valve 2, at this moment pressurized air presses to another direction with the piston in the bilateral check valve 4, namely block second admission port, open first admission port, at this moment car load source of the gas, check valve, air receiver, parking brake locking relief valve, bilateral check valve and hand braking air chamber form unobstructed gas circuit, thereby realize that pressurized air is to hand braking air chamber air feed, remove the parking brake locking, realize trailer.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (7)
1. a car is removed the pipeline system of parking brake locking outward, it is characterized in that: comprise the air receiver (1), parking brake locking relief valve (2) and the hand braking air chamber (3) that link to each other successively, parking brake locking relief valve (2) is opened or when closed, air receiver (1) is in the state that is communicated with or disconnects with hand braking air chamber (3).
2. pipeline system according to claim 1 is characterized in that: be provided with bilateral check valve (4) between described parking brake locking relief valve (2) and the hand braking air chamber (3).
3. pipeline system according to claim 1, it is characterized in that: described parking brake locking relief valve (2) is two position three-way valve, comprise admission port (21), air extractor duct (22) and exhausr port (23), described parking brake locking relief valve (2) also comprises control handle (24), described control handle (24) is when opening, admission port (21) and air extractor duct (22) are connected, when described control handle (24) is closed, inlet close (21), air extractor duct (22) is connected with exhausr port (23).
4. pipeline system according to claim 3, it is characterized in that: the air extractor duct of described air receiver (1) links to each other with the admission port (21) of parking brake locking relief valve (2).
5. pipeline system according to claim 4, it is characterized in that: the admission port of described air receiver (1) links to each other with car load source of the gas (5), is provided with check valve (6) between described air receiver (1) and the car load source of the gas (5).
6. pipeline system according to claim 2, it is characterized in that: described bilateral check valve (4) comprises first, second admission port (41,42) and first air extractor duct (43), described first admission port (41) links to each other with parking brake locking relief valve (2), described second admission port (42) links to each other with differential valve (7), and described first air extractor duct (43) links to each other with hand braking air chamber (3).
7. pipeline system according to claim 1, it is characterized in that: described parking brake locking relief valve (2) is arranged on the position that car load is convenient to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101599646A CN103204152A (en) | 2013-05-03 | 2013-05-03 | Pipeline system for relieving hand brake locking outside vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101599646A CN103204152A (en) | 2013-05-03 | 2013-05-03 | Pipeline system for relieving hand brake locking outside vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103204152A true CN103204152A (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101599646A Pending CN103204152A (en) | 2013-05-03 | 2013-05-03 | Pipeline system for relieving hand brake locking outside vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN103204152A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001066376A1 (en) * | 2000-03-09 | 2001-09-13 | Brake-Loc, Inc. | Vehicle brake safety system apparatus and methods |
| US20060284479A1 (en) * | 2005-06-15 | 2006-12-21 | Haldex Brake Corporation | Electronic park brake valve system for air brakes vehicles |
| CN201754310U (en) * | 2010-07-21 | 2011-03-02 | 北汽福田汽车股份有限公司 | Double braking system for instructional car |
| CN102328645A (en) * | 2011-07-15 | 2012-01-25 | 上海中石化物流股份有限公司 | Vehicle deviation preventing device |
| CN202608757U (en) * | 2012-04-25 | 2012-12-19 | 北汽福田汽车股份有限公司 | Emergency brake and parking brake device and air-pressure braked vehicle |
| CN203246456U (en) * | 2013-05-03 | 2013-10-23 | 安徽安凯汽车股份有限公司 | Pipeline system for removing hand brake locking outside vehicle |
-
2013
- 2013-05-03 CN CN2013101599646A patent/CN103204152A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001066376A1 (en) * | 2000-03-09 | 2001-09-13 | Brake-Loc, Inc. | Vehicle brake safety system apparatus and methods |
| US20060284479A1 (en) * | 2005-06-15 | 2006-12-21 | Haldex Brake Corporation | Electronic park brake valve system for air brakes vehicles |
| CN201754310U (en) * | 2010-07-21 | 2011-03-02 | 北汽福田汽车股份有限公司 | Double braking system for instructional car |
| CN102328645A (en) * | 2011-07-15 | 2012-01-25 | 上海中石化物流股份有限公司 | Vehicle deviation preventing device |
| CN202608757U (en) * | 2012-04-25 | 2012-12-19 | 北汽福田汽车股份有限公司 | Emergency brake and parking brake device and air-pressure braked vehicle |
| CN203246456U (en) * | 2013-05-03 | 2013-10-23 | 安徽安凯汽车股份有限公司 | Pipeline system for removing hand brake locking outside vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
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Application publication date: 20130717 |