CN203402183U - Middle emergency relay valve of trailer of motor vehicle - Google Patents
Middle emergency relay valve of trailer of motor vehicle Download PDFInfo
- Publication number
- CN203402183U CN203402183U CN201320437502.1U CN201320437502U CN203402183U CN 203402183 U CN203402183 U CN 203402183U CN 201320437502 U CN201320437502 U CN 201320437502U CN 203402183 U CN203402183 U CN 203402183U
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- piston
- nut
- relay valve
- valve
- trailer
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- Withdrawn - After Issue
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- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The utility model provides a middle emergency relay valve of a trailer of a motor vehicle and belongs to the field of brake devices of motor vehicles. The middle emergency relay valve of the trailer of the motor vehicle aims at solving the problems that when an ABS of an existing trailer is used, the structure is complex, installation is inconvenient, and accident potential exists. According to the middle emergency relay valve of the trailer of the motor vehicle, an air inlet nut and a one-way valve nut are installed at one end of a relay valve body, a one-way valve is connected with the one-way valve nut, a piston is further installed in the relay valve body, five rectangular grooves are formed in the piston, a first O-type sealing ring, a second O-type sealing ring, a third O-type sealing ring, a fourth O-type sealing ring and a fifth O-type sealing ring are sequentially embedded in the five rectangular grooves of the piston from left to right, the top of the piston is further provided with the one-way valve nut connected with a sixth O-type sealing ring, a spring is installed in a right recessed hole of the piston and is connected with the one-way valve, the diameter of the bottom of the right recessed hole of the piston, namely, the diameter of the bottom hole of the spring is reduced, the bottom of the right recessed hole extends leftwards to the bottom of a return spring, and the return spring is connected to the portion between an air exhausting nut and the piston. The middle emergency relay valve of the trailer of the motor vehicle is simple and practical in structure and suitable for the drawbar trailer with the ABS of the motor vehicle.
Description
Technical field
The utility model belongs to the middle emergency relay valve of a kind of self-propelled vehicle drawbar trailer cooperation electronics ABS ABS (Anti-lock Braking System) brake equipment in vehicle braking device technical field.
Technical background
Growing along with auto manufacturing and communications and transportation, more and more higher with the technical requirements of brake equipment to automobile-use especially drawbar trailer, because it is directly connected to traffic safety.In known technology, during the equipped ABS anti-lock brake system of existing self-propelled vehicle drawbar trailer, be all to adopt emergency brake valve as middle brake activation valve.Its effect: the speed-slackening signal of 1 conduction tractor truck; 2 depart from or when loading line disconnects suddenly, give speed-slackening signal of ABS anti-lock brake system (braking of dying) at tractor truck and trailer; 3 inflations of the gas receiver to trailer, for trailer braking protection valve provides propulsion source.But, limit by its structure, middle emergency relay valve needs mounting and fixing bracket while installing on trailer, because emergency brake valve output interface is four interfaces, also will stop up its excess-three interface again, its structure is complicated, maintenance frequency is high, especially in structure control plunger top in the winter time easily ponding freeze, cause braking can not, cause the accident or fire, exist to install inconvenience, waste resource, time-consuming, bury the undesirable elements such as accident potential.
Summary of the invention
In order to overcome the deficiency of prior art, while solving existing trailer use ABS anti-lock brake system, structure is complicated, and inconvenience is installed, and has the problems such as accident potential.The new-type drawbar trailer brake equipment brake equipment that the utility model provides is a kind of simple and practical, easy for installation, do not use outside necessary resources, saving of work and time, accident free hidden danger.
Summary of the invention
The utility model solves the problems of the technologies described above adopted technical scheme:
Emergency relay valve in the middle of a kind of vehicle trailer, it comprises: comprising: relay valve valve body, piston, air inlet nut, check valve nut, check valve, exhaust nut, pull back spring, spring, air inlet nut and check valve nut are housed in one end of relay valve valve body, check valve nut connects check valve, at relay valve valve inner, piston is also housed, on piston, be shaped with five road rectangle grooves, piston Wu road rectangle groove is inlayed first-, tetra-O RunddichtringOs and the 5th O RunddichtringO from left to right successively, the top of piston is also fitted with the 6th O RunddichtringO and connects check valve nut, spring is housed in the right part shrinkage pool of piston and connects check valve, the bottom of the right part shrinkage pool of piston is that the diameter of the base apertures of spring diminishes and extends to the bottom of pull back spring left, pull back spring is installed between exhaust nut and piston.
Emergency relay valve in the middle of above-mentioned a kind of vehicle trailer, on described relay valve valve body, be shaped with braking input port, brake delivery port, the interface of panting, braking delivery port is communicated with the air extractor vent of piston, air inlet nut is shaped with pressurized air input port, exhaust nut is shaped with pressurized air delivery port, between air inlet nut and relay valve valve body, by the 7th O RunddichtringO, is sealed.
Emergency relay valve in the middle of above-mentioned a kind of vehicle trailer, described relay valve valve body left end with exhaust nut by the outside thread being threaded, outside is shaped with to be connected with ABS anti-lock brake system.
When the utility model is used, relay valve valve body outside thread is directly connected in ABS anti-lock brake system, pressurized air input port K1 is connected with the inflatable interface of tractor truck, braking input port K2 is connected with the control interface of tractor truck, and braking delivery port K3 is connected with the control interface of ABS anti-lock brake system.While normally travelling, the pressurized air that comes from tractor truck inflatable interface enters pressurized air input port K1, enter inflating cells, check valve is separated with check valve nut, pressurized air enters exhaust chamber, air extractor vent K6 by braking delivery port K3 process piston 2 enters piston 2, and pressurized air delivery port K4 enters ABS anti-lock brake system, then enters gas receiver; When Vehicle Driving Cycle, run in the time of need to braking, pressurized air from the pilot piping of tractor truck enters braking chamber by braking input port K2, through braking delivery port K3, enter again the control interface of ABS anti-lock brake system, excite the work of ABS anti-lock brake system; When trailer is separated with tractor truck, the pressurized air of inflating cells is got rid of by pressurized air input port K1, connecting line, check valve, under the effect of pressurized air and spring, is combined closely with check valve nut, and the pressurized air of exhaust chamber is isolated by check valve and inflating cells; Piston moves to right under pull back spring and the compressed-air actuated effect in brake chamber chamber of dying, the air extractor vent K6 of piston 2 and braking delivery port K3 conducting, the pressurized air that comes from gas receiver, through the air extractor vent K6 of pipeline, ABS anti-lock brake system, braking input port K2, piston 2, the control interface that braking delivery port K3 enters ABS anti-lock brake system, excite the work of ABS anti-lock brake system; The interface K5 that pants has waste gas to get rid of in this work conversion work.
Because the utility model design has adopted technique scheme, while effectively having solved existing trailer use ABS anti-lock brake system, structure is complicated, and inconvenience is installed, and has the problems such as accident potential.Also through testing result on trial for several times, show, it compared with prior art has simple and practical, easy for installation, do not use outside necessary resources, saving of work and time, the advantages such as accident free hidden danger, are applicable to the drawbar trailer that self-propelled vehicle is used ABS anti-lock brake system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing 1 is the structure diagram of the utility model self-propelled vehicle embodiment while stopping.
The structure diagram of embodiment when accompanying drawing 2 is the walking of the utility model self-propelled vehicle.
In accompanying drawing, each label is: 1 relay valve valve body; 2 pistons; 3 air inlet nuts; 4 check valve nuts; 5 check valves; 6 exhaust nuts; 7 the one O RunddichtringOs; 8 the 2nd O RunddichtringOs; 9 the 3rd O RunddichtringOs; 10 the 4th O RunddichtringOs; 11 the 5th O RunddichtringOs; 12 the 6th O RunddichtringOs; 13 pull back springs; 14 springs; 15 the 7th O RunddichtringOs; K1 pressurized air input port; K2 brakes input port; K3 brakes delivery port; K4 pressurized air delivery port; The K5 interface of panting; The air extractor vent of K6 piston 2.
The specific embodiment
Embodiment as shown in Figure 1, the utility model comprises: relay valve valve body 1, piston 2, air inlet nut 3, check valve nut 4, check valve 5, exhaust nut 6, pull back spring 13, spring 14, air inlet nut 3 and check valve nut 4 are housed in one end of relay valve valve body 1, check valve nut 4 connects check valve 5, in relay valve valve body 1 inside, piston 2 is also housed, on piston 2, be shaped with five road rectangle grooves, piston 2 Wu road rectangle grooves are inlayed first-, tetra-O RunddichtringO 7-10 from left to right successively, the 5th O RunddichtringO 11, the top of piston 2 is also fitted with the 6th O RunddichtringO 12 and connects check valve nut 4, spring 14 is housed in the right part shrinkage pool of piston 2 and connects check valve 5, the bottom of the right part shrinkage pool of piston 2 is that the diameter of the base apertures of spring 14 diminishes and extends to the bottom of pull back spring 13 left, pull back spring 13 is installed between exhaust nut 6 and piston 2, on relay valve valve body 1, be shaped with braking input port K2, braking delivery port K3, interface K5 pants, braking delivery port K3 is communicated with the air extractor vent K6 of piston 2, air inlet nut 3 is shaped with pressurized air input port K1, exhaust nut 6 is shaped with pressurized air delivery port K4, between air inlet nut 3 and relay valve valve body 1, by the 7th O RunddichtringO 15, sealed, relay valve valve body 1 left end with exhaust nut 6 by being threaded, outside is shaped with the outside thread being connected with ABS anti-lock brake system.
Claims (3)
1. emergency relay valve in the middle of a vehicle trailer, it comprises relay valve valve body (1), piston (2), it is characterized in that, also comprise air inlet nut (3), check valve nut (4), check valve (5), exhaust nut (6), pull back spring (13), spring (14), air inlet nut (3) and check valve nut (4) are housed in one end of relay valve valve body (1), check valve nut (4) connects check valve (5), in relay valve valve body (1) inside, piston (2) is also housed, on piston (2), be shaped with five road rectangle grooves, piston (2) Wu road rectangle groove is inlayed first-, tetra-O RunddichtringOs (7-10) and the 5th O RunddichtringO (11) from left to right successively, the top of piston (2) is also fitted with the 6th O RunddichtringO (12) and connects check valve nut (4), spring (14) is housed in the right part shrinkage pool of piston (2) and connects check valve (5), the bottom of the right part shrinkage pool of piston (2) is that the diameter of the base apertures of spring (14) diminishes and extends to the bottom of pull back spring (13) left, pull back spring (13) is installed between exhaust nut (6) and piston (2).
2. emergency relay valve in the middle of a kind of vehicle trailer according to claim 1, it is characterized in that, be shaped with braking input port (K2), braking delivery port (K3), the interface of panting (K5), braking delivery port (K3) is communicated with the air extractor vent (K6) of piston (2), air inlet nut (3) is shaped with pressurized air input port (K1), between air inlet nut (3) and relay valve valve body (1), by the 7th O RunddichtringO (15), is sealed.
3. emergency relay valve in the middle of a kind of vehicle trailer according to claim 1, is characterized in that, relay valve valve body (1) left end with exhaust nut (6) by the outside thread being threaded, outside is shaped with to be connected with ABS anti-lock brake system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437502.1U CN203402183U (en) | 2013-07-23 | 2013-07-23 | Middle emergency relay valve of trailer of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437502.1U CN203402183U (en) | 2013-07-23 | 2013-07-23 | Middle emergency relay valve of trailer of motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203402183U true CN203402183U (en) | 2014-01-22 |
Family
ID=49938123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320437502.1U Withdrawn - After Issue CN203402183U (en) | 2013-07-23 | 2013-07-23 | Middle emergency relay valve of trailer of motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203402183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359101A (en) * | 2013-07-23 | 2013-10-23 | 河北神安汽车部件科技有限公司 | Intermediate emergency relay valve of motor vehicle trailer |
-
2013
- 2013-07-23 CN CN201320437502.1U patent/CN203402183U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359101A (en) * | 2013-07-23 | 2013-10-23 | 河北神安汽车部件科技有限公司 | Intermediate emergency relay valve of motor vehicle trailer |
| CN103359101B (en) * | 2013-07-23 | 2015-07-01 | 河北神安汽车部件科技有限公司 | Intermediate emergency relay valve of motor vehicle trailer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20150701 |
|
| RGAV | Abandon patent right to avoid regrant |