CN102862563B - Automobile brake anti-failure three-control relay valve - Google Patents
Automobile brake anti-failure three-control relay valve Download PDFInfo
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- CN102862563B CN102862563B CN201210344442.9A CN201210344442A CN102862563B CN 102862563 B CN102862563 B CN 102862563B CN 201210344442 A CN201210344442 A CN 201210344442A CN 102862563 B CN102862563 B CN 102862563B
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- upper body
- brake
- lower body
- control relay
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Abstract
The invention discloses an automobile brake anti-failure three-control relay valve which comprises an upper body, a middle upper body, a middle lower body and a lower body, wherein the upper body and the lower body are respectively provided with an air inlet control port, and the middle upper body and the middle lower body are respectively provided with an air inlet and an air outlet. The anti-failure three-control relay valve disclosed by the invention is one constituent component of a brake system, is combined with system elements to form a brake system and can be used for timely and effectively compensating a brake moment under the conditions of blockage, component jamming, air pressure reduction and rapid leakage caused by system faults, and the purposes of remedying front wheels during front wheel failures, remedying rear wheels during rear wheel failures and remedying the whole vehicle during failures of the whole vehicle can be achieved. The automobile brake anti-failure three-control relay valve has the advantages of convenience in mounting, low loading cost, nimble operation and excellent performance, and the defects of brake failure, poor brake and the like of the traditional technologies are obviously improved; and the safe reliability of the anti-failure brake technology is improved, so that the automobile brake anti-failure three-control relay valve is quite beneficial to promotion and application.
Description
technical field
The present invention relates to a kind of relay valve in brake system of car, particularly relate to anti-malfunctioning three control relay valves for a kind of automobile.
Background technology
Brake failure and bad point of back axle, propons and full car---due to gas braking technology be mainly used in, full-sized car, and often, the many reasons such as the poor and traditional braking technological deficiency of full-sized car operating mode easily causes brake failure, poor stop.As: cryogenic system pipeline ponding obstruction, the system element ponding many factors such as hair fastener, high low temperature system pipes part and component wear gas leakage that freeze that freeze badly influence braking reliability.
According to traditional gas braking technology safety basic demand, when possessing main brake function, also must possess following two auxiliary brakings.1. spring energy-storage braking: its objective is parking and driving emergency brake; 2. braking slowly: its objective is to rise under given conditions and stablize inertia and driving emergency brake.The essential defect that traditional braking technology exists is: a little less than spring energy-storage braking and slow lock torque, and only control trailing wheel 1.; 2. in order to prevent that braking force overload from damaging drg and linkage unit, the use that can not overlap of design upper spring storage brake and main brake.Therefore when main brake is malfunctioning and when bad the emergent usefulness of traditional braking technology poor, given indicating brake action timely and reasonably, loses artificial safe range internal control speed and stops.
The consequence that brake failure and poor stop bring is the generation of major traffic accidents often, easily causes casualties, damaged vehicle and common facilities damage, and country and individual are caused to serious harm or loss.
Summary of the invention
The present invention is directed to the problem and shortage that the brake activation valve in existing brake system of car exists, anti-malfunctioning three control relay valves for a kind of automobile are provided.
Technical scheme: the anti-malfunctioning three control relay valves of a kind of automobile brake, comprise upper body, middle upper body, middle lower body and lower body, it is characterized in that: upper body and lower body arrange respectively air inlet control mouth, middle upper body and middle lower body arrange respectively admission port and air extractor duct;
In upper body and lower intracoelomic cavity, sealing shroud is equipped with upper piston and lower piston respectively; The center of described upper piston and lower piston is provided with top, and circumferential edges is provided with defining flange;
Middle upper body and upper body sealing socket, the upper end of middle upper body is positioned at inner side, upper body, and the upper end circumferential edges of middle upper body is provided with upper limit flange; Middle lower body and lower body sealing socket, the lower end of middle lower body is positioned at lower body inner side, and the lower end circumferential edges of middle lower body is provided with lower limit flange; Between upper limit flange and the defining flange of upper piston, spacing is a, and the spacing between middle upper body middle part outshot and upper piston is b, meets a < b; Between lower limit flange and the defining flange of lower piston, spacing is c, and the spacing between middle lower body middle part outshot and lower piston is d, meets c and is less than d;
In the inner chamber of middle upper body and middle lower body, sealing shroud is equipped with valve member and lower valve assembly respectively; Upper and lower valve member respectively comprises a hollow sleeve, the outer middle side part of hollow sleeve is provided with annular outer platform, the inner chamber upper end of middle upper body and the inner chamber lower end of middle lower body are respectively arranged with inner convex platform, one side of upper and lower annular outer platform coordinates formation valve mechanism with upper and lower inner convex platform, the opposite side of upper and lower annular outer platform is connected by spring with the valve seat of inner chamber end seal suit;
The air chamber C forming between upper piston and upper valve member, lower piston assembly and in form air chamber E between lower intracoelomic cavity, wherein, air chamber C is communicated with air chamber E, this communicating passage is arranged in upper body and lower body sidewall;
The intracavity inter-connection of the hollow sleeve of the inner chamber of the hollow sleeve of upper valve member and lower valve assembly, the Packed exhaust chamber of region division between two hollow sleeves, two hollow sleeves communicate with exhaust chamber respectively, and exhaust chamber communicates with exhausr port.
At the downside of described upper piston, a piston follower is installed, upper piston is now hollow structure, and hollow cavity inwall is provided with step surface, and the center mast of piston follower is sleeved on step surface below in the hollow cavity of upper piston; Upper body is also provided with the auxiliary admission port of controlling simultaneously, and this auxiliary admission port of controlling is communicated in the A air chamber of upper piston upside; Former control admission port is communicated in the B air chamber between upper piston and piston follower by the hollow cavity of upper piston.
On the inwall of described exhaust chamber, be provided with the acoustical panel being interspersed, adjacent acoustical panel forming curves passage.
Described exhausr port is provided with filtering net.
Beneficial effect: 1, of the present invention anti-malfunctioning
threecontrol relay valve is one of a kind of brake system constituent elements: anti-malfunctioning
threecontrol relay valve coupling system element composition brake system, can accomplish because system failure obstruction, parts hair fastener, air pressure reduce and leak and compensate timely and effectively lock torque rapidly, can accomplish that front-wheel is malfunctioning to remedy that front-wheel, trailing wheel are malfunctioning remedies that trailing wheel, full car are malfunctioning remedies full car.The lower end of this relay valve is controlled admission port and is connected with footbrake gas circuit, for normal open control mouth, in the time causing air pressure lower than 0.55MPa because of system failure obstruction, parts hair fastener, air pressure when reducing and leaking rapidly, the control mouth of this relay valve lower end is died, thereby E air chamber is communicated with F air chamber, F air chamber is communicated with hollow sleeve again, entering exhaust chamber, is zero thereby cause air extractor duct air pressure, and guaranteeing that front-rear axle spring energy-storage is indoor does not have air pressure, spring can be acted on immediately, increase lock torque.
2, upper body can arrange two and control admission port, one of them master control admission port is communicated with foot-operated air-actuator, for making admission port be communicated with air extractor duct or close under normal circumstances, the auxiliary admission port of controlling is communicated with the air-actuator of hand-operated brake, for making admission port be communicated with air extractor duct or close under normal circumstances, utilization is arranged on two pistons in intracoelomic cavity, realize the situation that footbrake and hand-operated brake do not interfere with each other and can work simultaneously, overcome in current wheel brake footbrake and hand-operated brake can not use simultaneously or conformability causes the mutual interference of parts phase and impaired problem compared with missionary society.
3, anti-malfunctioning three control relay valves of the present invention not only easy for installation, entrucking cost is low but also operate nimble, superior performance, has improved significantly the defects such as above-mentioned conventional art brake failure and poor stop.Anti-malfunctioning braking technology safe reliability is improved, and is beneficial to very much promotion and implementation.
brief description of the drawings:
Fig. 1 is that the present invention is anti-malfunctioning
threethe cross-sectional view of control relay valve;
Fig. 2 is the H-H cross-sectional view of Fig. 1.
Number in the figure: 1. lower body, 2. lower piston, 3.O type circle, 4. lower valve, 5. packing seal, 6. spring bearing, 7. O type circle, 8. valve spring, 9. O type circle, 10. lower body in, 11. O type circles, 12. O type circles, 13. valve seats, 14. valve springs, 15. spring bearings, valve on 16., 17. packing seals, upper body in 18., 19. O type circles, 20. piston followers, 21. O type circles, 22. upper pistons, 23. upper bodies, 24. O type circles, 25. O type circles, 26. plugs, 27. circlips, 28. O type circles, 29. filtering nets, 30. guard shields, 31. screws, 32. mounting brackets, 33. safety washers, 34. bolts connect the anti-malfunctioning three control relay valve assemblies of fastening composition by setting-up procedure, 35 is passage, 36 is fixed orifice, 37 is acoustical panel, 38 for being positioned at one of control admission port of upper body, 39 for be positioned at upper body control admission port two, 40 is admission port, 41 is air extractor duct, 42 for being positioned at the control admission port of lower body, 43. tops, 44. middle part outshots, 45. defining flanges, 46. lower limit flanges.
Detailed description of the invention
Embodiment 1: referring to Fig. 1, the anti-malfunctioning three control relay valves of automobile brake comprise upper body 23, middle upper body 18, middle lower body 10 and lower body 1.
Upper body 23 arranges two simultaneously and controls admission port, controls admission port 38 and controls admission port 39.The bore seal of upper body 23 is set with two pistons, at the downside of upper piston 22, a piston follower 20 is installed, this upper piston 22 is hollow structure (piston rod hollow), and hollow cavity inwall is provided with step surface as downward top pressure surface, the center mast of piston follower 20 (center mast can hollow but sealed bottom) is sleeved on step surface below in the hollow cavity of upper piston.Two pistons are separated to form upper body 23 inner chambers the air chamber of multiple seal isolation, and upper piston upside is air chamber A, forms air chamber B between upper piston and piston follower, and piston follower downside is air chamber C.Described control admission port 39 is communicated in the upside of upper piston, controls admission port 39 and is communicated with air chamber A.Control admission port 38 and be communicated in its cavity of hollow of upper piston, this hollow cavity is communicated with air chamber B.Thereby control admission port 38 and can directly drive piston follower, control admission port 39 and drive after upper piston, drive piston follower by upper piston.
Lower body 1 arranges with controlling admission port 42, and this control admission port 42 belongs to master control donsole from function, in normal open gaseity, for example enters, when cause insufficient pressure in pressure system (while being less than 0.55MPa) just to control disconnection because of a variety of causes.In the inner chamber of lower body 1, sealing shroud is equipped with lower piston 2; Lower intracoelomic cavity is divided into two air chambers by lower piston 2, and being positioned at lower piston downside is air chamber G, and being positioned at lower piston upside is air chamber F.
Because the downside of upper piston 22 has been set with again a piston follower 20, so now piston follower 20 becomes direct effect parts.It is the planar structure of sealing that the center of piston follower 20 and lower piston 2 is provided with to 43(top, top end face), the circumferential edges of piston follower 20 and lower piston 2 is provided with to defining flange 45.
Middle upper body 18 and upper body 23 sealing sockets, the upper end of middle upper body 18 is positioned at 23 inner sides, upper body.The upper end circumferential edges of middle upper body is provided with upper limit flange; Middle lower body 10 and lower body sealing socket, the lower end of middle lower body is positioned at lower body inner side, and the lower end circumferential edges of middle lower body is provided with lower limit flange 46.Between upper limit flange and the defining flange of upper piston, spacing is a, and the spacing between middle upper body middle part outshot and upper piston is b, meets a < b; Between lower limit flange and the defining flange of lower piston, spacing is c, and the spacing between middle lower body middle part outshot and lower piston is d, meets c and is less than d.
In the inner chamber of middle upper body 18 and middle lower body 10, sealing shroud is equipped with valve member and lower valve assembly respectively.Upper and lower valve member respectively comprises a hollow sleeve, also comprise the valve seat being sleeved on hollow sleeve, be set in the seal ring of hollow sleeve end, the outer middle side part of hollow sleeve is provided with annular outer platform (upper and lower respectively have an annular outer platform), on annular outer platform, be also set with seal ring, the inner chamber upper end of middle upper body and the inner chamber lower end of middle lower body are respectively arranged with inner convex platform (upper and lower respectively have an inner convex platform).Between the upside of upper annular outer lug boss and upper inner convex platform, coordinate and form valve mechanism, the downside of upper annular outer lug boss is connected with valve seat by spring, during valve seat is fixedly set in, goes up between intracoelomic cavity and hollow sleeve.Between the upside of lower annular outer platform and lower inner convex platform, coordinate and form valve mechanism, the downside of lower annular outer platform is connected with valve seat by spring, during valve seat is fixedly set in, descends between intracoelomic cavity and hollow sleeve.
Upper piston assembly and in form air chamber D between upper intracoelomic cavity, lower piston assembly with in form air chamber E between lower intracoelomic cavity, wherein, air chamber C is communicated with air chamber E, this communicating passage is arranged in upper body and lower body sidewall.
The intracavity inter-connection of the hollow sleeve of the inner chamber of the hollow sleeve of upper valve member and lower valve assembly, the Packed exhaust chamber of region division between two hollow sleeves, two hollow sleeves communicate with exhaust chamber respectively, and exhaust chamber communicates with exhausr port.Referring to Fig. 2, on the inwall of exhaust chamber, be provided with the acoustical panel being interspersed, adjacent acoustical panel forming curves passage.Exhausr port is provided with filtering net.
Embodiment 2, accompanying drawing is not drawn, and content is substantially the same manner as Example 1, and something in common does not repeat, different: in upper intracoelomic cavity, be only provided with a upper piston, there is no piston follower, thereby upper piston be directly drive element.The center of upper piston is provided with to top, the circumferential edges of upper piston is provided with to defining flange.Upper intracoelomic cavity is divided into upper and lower two air chambers by upper piston, only arranges one control admission port in upper body, and this control admission port is communicated with in upper chamber.
Claims (4)
1. the anti-malfunctioning three control relay valves of automobile brake, comprise upper body, middle upper body, middle lower body and lower body, it is characterized in that: upper body and lower body arrange respectively air inlet control mouth, and middle upper body and middle lower body arrange respectively admission port and air extractor duct; In upper body and lower intracoelomic cavity, sealing shroud is equipped with upper piston and lower piston respectively; The center of described upper piston and lower piston is provided with top, and circumferential edges is provided with defining flange; Middle upper body and upper body sealing socket, the upper end of middle upper body is positioned at inner side, upper body, and the upper end circumferential edges of middle upper body is provided with upper limit flange; Middle lower body and lower body sealing socket, the lower end of middle lower body is positioned at lower body inner side, and the lower end circumferential edges of middle lower body is provided with lower limit flange; Between upper limit flange and the defining flange of upper piston, spacing is a, and the spacing between middle upper body middle part outshot and upper piston is b, meets a < b; Between lower limit flange and the defining flange of lower piston, spacing is c, and the spacing between middle lower body middle part outshot and lower piston is d, meets c and is less than d; In the inner chamber of middle upper body and middle lower body, sealing shroud is equipped with valve member and lower valve assembly respectively; Upper and lower valve member respectively comprises a hollow sleeve, the outer middle side part of hollow sleeve is provided with annular outer platform, the inner chamber upper end of middle upper body and the inner chamber lower end of middle lower body are respectively arranged with inner convex platform, one side of upper and lower annular outer platform coordinates formation valve mechanism with upper and lower inner convex platform, the opposite side of upper and lower annular outer platform is connected by spring with the valve seat of inner chamber end seal suit; The air chamber C forming between upper piston and upper valve member, lower valve assembly and in form air chamber E between lower intracoelomic cavity, wherein, air chamber C is communicated with air chamber E, this communicating passage is arranged in upper body and lower body sidewall; The intracavity inter-connection of the hollow sleeve of the inner chamber of the hollow sleeve of upper valve member and lower valve assembly, the Packed exhaust chamber of region division between two hollow sleeves, two hollow sleeves communicate with exhaust chamber respectively, and exhaust chamber communicates with exhausr port.
2. the anti-malfunctioning three control relay valves of automobile brake according to claim 1, it is characterized in that: at the downside of described upper piston, a piston follower is installed, upper piston is now hollow structure, and hollow cavity inwall is provided with step surface, the center mast of piston follower is sleeved on the interior step surface of the hollow cavity below of upper piston; Upper body is also provided with the auxiliary admission port of controlling simultaneously, and this auxiliary admission port of controlling is communicated in the A air chamber of upper piston upside; Former control admission port is communicated in the B air chamber between upper piston and piston follower by the hollow cavity of upper piston.
3. the anti-malfunctioning three control relay valves of automobile brake according to claim 1, is characterized in that: on the inwall of described exhaust chamber, be provided with the acoustical panel being interspersed, adjacent acoustical panel forming curves passage.
4. the anti-malfunctioning three control relay valves of automobile brake according to claim 1, is characterized in that: described exhausr port is provided with filtering net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344442.9A CN102862563B (en) | 2012-09-18 | 2012-09-18 | Automobile brake anti-failure three-control relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344442.9A CN102862563B (en) | 2012-09-18 | 2012-09-18 | Automobile brake anti-failure three-control relay valve |
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| Publication Number | Publication Date |
|---|---|
| CN102862563A CN102862563A (en) | 2013-01-09 |
| CN102862563B true CN102862563B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210344442.9A Expired - Fee Related CN102862563B (en) | 2012-09-18 | 2012-09-18 | Automobile brake anti-failure three-control relay valve |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192133A (en) * | 2014-08-26 | 2014-12-10 | 王勤黄 | Anti-ineffectiveness three-control relay valve for vehicle |
| CN104210481A (en) * | 2014-08-26 | 2014-12-17 | 王勤黄 | Failure-proof pneumatic vehicle braking system |
| CN105365805A (en) * | 2014-08-26 | 2016-03-02 | 王勤黄 | Pneumatic braking system capable of preventing vehicle from having malfunctions |
| CN104192122A (en) * | 2014-08-26 | 2014-12-10 | 王勤黄 | Anti-failure quadruple-control master brake valve |
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| DE3229836A1 (en) * | 1982-08-11 | 1984-02-16 | Graubremse Gmbh, 6900 Heidelberg | Trailer control valve controllable by means of two circuits, especially for compressed-air brake systems on motor vehicles |
| DE3321566A1 (en) * | 1983-06-15 | 1984-12-20 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | RELAY VALVE |
| CN201201600Y (en) * | 2008-03-01 | 2009-03-04 | 屠程鑫 | Adjustable emergency synchronous relay valve |
| CN201224402Y (en) * | 2008-04-27 | 2009-04-22 | 瑞立集团瑞安汽车零部件有限公司 | Mini multipurpose emergency relay valve |
| CN201261462Y (en) * | 2008-08-29 | 2009-06-24 | 柯寿乾 | Duplex relay valve |
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| CN202847681U (en) * | 2012-09-18 | 2013-04-03 | 河南昌通科技有限公司 | Automobile brake failure-proof three-control relay valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102009029968A1 (en) * | 2009-06-23 | 2010-12-30 | Wabco Gmbh | Relay valve, silencer, valve device and vehicle |
| CN201633720U (en) * | 2009-12-01 | 2010-11-17 | 东风电子科技股份有限公司 | Combined type relay valve of commercial vehicle |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312123A (en) * | 1969-07-12 | 1973-04-04 | Westinghouse Bremsen Apparate | Brake valve for a three-circuit air brake system |
| GB1579573A (en) * | 1976-04-10 | 1980-11-19 | Bosch Gmbh Robert | Trailer braking relay control valves |
| DE3229836A1 (en) * | 1982-08-11 | 1984-02-16 | Graubremse Gmbh, 6900 Heidelberg | Trailer control valve controllable by means of two circuits, especially for compressed-air brake systems on motor vehicles |
| DE3321566A1 (en) * | 1983-06-15 | 1984-12-20 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | RELAY VALVE |
| CN201201600Y (en) * | 2008-03-01 | 2009-03-04 | 屠程鑫 | Adjustable emergency synchronous relay valve |
| CN201224402Y (en) * | 2008-04-27 | 2009-04-22 | 瑞立集团瑞安汽车零部件有限公司 | Mini multipurpose emergency relay valve |
| CN201261462Y (en) * | 2008-08-29 | 2009-06-24 | 柯寿乾 | Duplex relay valve |
| CN201334005Y (en) * | 2008-11-27 | 2009-10-28 | 浙江万安科技股份有限公司 | Automobile relay valve |
| CN202847681U (en) * | 2012-09-18 | 2013-04-03 | 河南昌通科技有限公司 | Automobile brake failure-proof three-control relay valve |
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| CN102862563A (en) | 2013-01-09 |
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Address after: 451252 No. 9 Chaoyang West Road, Yongan street, Gongyi industrial demonstration zone, Henan, Zhengzhou Applicant after: CHANGTONG TECHNOLOGY CO., LTD. Address before: 451252 No. 9 Chaoyang West Road, Yongan street, Gongyi industrial demonstration zone, Henan, Zhengzhou Applicant before: Henan Chang Tong Technology Co., Ltd. |
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Granted publication date: 20141001 Termination date: 20160918 |