CN206797375U - A kind of semitrailer ABS pile-up valves - Google Patents
A kind of semitrailer ABS pile-up valves Download PDFInfo
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- CN206797375U CN206797375U CN201720679812.2U CN201720679812U CN206797375U CN 206797375 U CN206797375 U CN 206797375U CN 201720679812 U CN201720679812 U CN 201720679812U CN 206797375 U CN206797375 U CN 206797375U
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Abstract
A kind of semitrailer ABS pile-up valves, belong to semitrailer technical field, the ABS pile-up valves include upper valve body, lower valve body, the primary air inlet communicated and main gas outlet, piston component, base bleed mouth are set in lower valve body, it is characterized in that, the middle side part of upper valve body one sets braking air inlet, and lower valve body is provided with two symmetrical valve pockets, piston component and two base bleed mouths are set respectively in valve pocket；Piston component includes piston cap, piston cap side sets the air intake assembly communicated with braking air inlet, piston cap lower end sets piston bush, and piston bush includes sleeve and loop bar, and the cross-sectional area of sleeve is more than the cross-sectional area of loop bar, the beneficial effects of the utility model are, the ABS pile-up valves can replace being used cooperatively effect between existing pile-up valve and relay valve, be easier installing/dismounting to the timely booster brake of semitrailer, overhaul efficiency is higher, meets current light-weighted demand.
Description
Technical field
It the utility model is related to semitrailer technical field, more particularly to a kind of semitrailer ABS pile-up valves.
Background technology
Road train now, travel speed have been held in 80-90 kilometers/hour or so, the property of relative brake system
It can require very high, be often referred to two aspects, first, the firmly brakes that braking ability can stop is arranged and wants specification, but not locking
Break away.
Semitrailer is because vehicle body is longer, and in main car brake process, the semitrailer of rear end is usually because brake force deficiency goes out
The situation of existing preshoot, for the relatively low new hand of driving efficiency, if speed is too fast, after main car touches on the brake, semitrailer is not
It can immediately brake, make semitrailer evening brake, then can make semitrailer preshoot, traffic faults occur.In order to solve the above problems, at present
Conventional method is to install relay valve before semitrailer pile-up valve to play a part of supercharging, reaches the effect of brake hard.But
The shortcomings that this booster brake mode is that complicated integral structure, installing/dismounting trouble, breaking down then needs two valves of detection
Working condition, overhaul efficiency are low.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of semitrailer ABS pile-up valves, efficiently solves mesh
There is the problem of potential safety hazard that preshoot is brought during preceding semitrailer brake, it is therefore intended that, there is provided a kind of semitrailer ABS pile-up valves,
By carrying out structural adjustment to the piston component inside ABS pile-up valves, when main car brakes, the air pressure entered to main car end plays
The effect of supercharging, single ABS pile-up valves can replace being used cooperatively effect between existing pile-up valve and relay valve, tear installation open
Unload easily, overhaul efficiency is higher, meets current light-weighted demand.
To achieve the above object, technical scheme is used by the utility model solves its technical problem：The semitrailer
ABS pile-up valves, including upper valve body and lower valve body, the primary air inlet communicated and main gas outlet, piston component, bottom are set in lower valve body
Portion's exhaust outlet, it is characterised in that the middle side part of upper valve body one sets braking air inlet, and upper valve body lower end sets lower valve body, under
Valve body is provided with two symmetrical valve pockets, and piston component and two base bleed mouths are respectively arranged with valve pocket；The piston component
Including piston cap, piston cap side sets the air intake assembly communicated with braking air inlet, and piston cap lower end sets matched
Piston bush, piston bush include sleeve and loop bar, and the cross-sectional area of sleeve is more than the cross-sectional area of loop bar.
Further, the air intake assembly sets with piston cap and is integrated, and one end and the upper valve body of air intake assembly coordinate, and enter
Inlet channel is set inside pneumatic module, and one end of inlet channel communicates with braking air inlet, the inlet channel other end and piston cap
Lower end side communicates.
Further, through hole is provided with the middle part of the sleeve, guide rod is equipped with through hole, guide rod is fixed on piston cap
The middle part of lower end.
Further, the sleeve upper end sets cylindrical contact section, and sleeve lower end sets Coupling, set in the middle part of Coupling
Loop bar is put, the cross-sectional area of the loop bar is less than the cross-sectional area of contact-segment.
Further, the cross-sectional area of the contact-segment is less than the cross-sectional area of sleeve.
Further, it is provided between the Coupling and loop bar for pacifying spring-loaded accommodating chamber.
The beneficial effects of the utility model are：
The utility model makes the transversal of piston sleeve by carrying out structural adjustment to the piston component inside ABS pile-up valves
Area is more than the cross-sectional area of loop bar, and when main car brakes, air-flow is entered by main car gas circuit by the braking air inlet of ABS pile-up valves
Enter the air intake assembly in piston cap, reach between piston cap and piston bush, because the sleeve cross-sectional area of piston bush is more than loop bar
Cross-sectional area, the airflow function of certain pressure is transmitted to loop bar and acts on downwards on piston bush, increases pressure, produces
Brake force increase, semitrailer is carried out to suppress braking, reduces the danger of semitrailer preshoot.
Further, through hole is provided with the middle part of sleeve, through hole and the guide rod of piston cap lower end coordinate, and air pressure is promoted sleeve
Moved along guide rod, make air pressure change more stable；Sleeve upper end sets cylindrical contact section, is easy to hand-held contact-segment peace installation and dismantling
Unload；It is provided between Coupling and loop bar for pacifying spring-loaded accommodating chamber, plays and stablize spacing effect, make overall structure more
Stable, performance is more preferable.
To sum up, the semitrailer ABS pile-up valves by inside ABS pile-up valves piston component carry out structural adjustment,
During the brake of main car, the air pressure entered to main car end plays the effect of supercharging, single ABS pile-up valves can replace existing pile-up valve and
Effect is used cooperatively between relay valve, is easier installing/dismounting, overhaul efficiency is higher, meets current light-weighted demand.
Brief description of the drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is main structure diagram of the present utility model；
Accompanying drawing 2 is backsight structural representation of the present utility model；
Accompanying drawing 3 is the A-A cross section structure diagrams of accompanying drawing 1；
Accompanying drawing 4 is the side structure schematic view of the utility model piston bush；
In accompanying drawing：1. upper valve body, 2. lower valve bodies, 3. primary air inlets, 4. main gas outlets, 5. piston components, 51. piston caps,
511. air intake assemblies, 512. inlet channels, 513. guide rods, 52. piston bush, 521. sleeves, 522. loop bars, 523. through holes, 524.
Contact-segment, 525. Couplings, 6. exhaust outlets, 7. braking air inlets.
Embodiment
The utility model is described in further detail with reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, so as to the public preferably
Implementation of the present utility model is grasped, the utility model specific embodiment is：Such as accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4
It is shown, a kind of semitrailer ABS pile-up valves, including upper valve body 1 and lower valve body 2, the He of primary air inlet 3 communicated is set in lower valve body 2
Main gas outlet 4, piston component 5, base bleed mouth 6, it is characterised in that the middle side part of upper valve body 1 one sets braking air inlet
7, the lower end of upper valve body 1 sets lower valve body 2, and lower valve body 2 is provided with two symmetrical valve pockets, piston component 5 is respectively arranged with valve pocket
With two base bleed mouths 6；The piston component 5 includes piston cap 51, and the side of piston cap 51 is set to be communicated with braking air inlet 7
Air intake assembly 511, the lower end of piston cap 51 sets matched piston bush 52, and piston bush 52 includes sleeve 521 and loop bar
522, the cross-sectional area of sleeve 521 is more than the cross-sectional area of loop bar 522.
Further, the air intake assembly 511 sets with piston cap 51 and is integrated, one end of air intake assembly 511 and upper valve
Body 1 coordinates, and the inside of air intake assembly 511 sets inlet channel 512, and one end of inlet channel 512 communicates with braking air inlet 7, entered
The other end of gas passage 512 is communicated with the lower end side of piston cap 51, and when touching on the brake, forced draft is entered by braking air inlet 7, is led to
Cross inlet channel 512 and reach the lower end of piston cap 51, promote piston bush 52 to move.
Further, the middle part of sleeve 521 is provided with through hole 523, and guide rod 513, guide rod are equipped with through hole 523
513 are fixed on the middle part of the lower end of piston cap 51, make air pressure promote sleeve 521 to be moved along guide rod 513, make air pressure change more steady
It is fixed.
Further, the upper end of sleeve 521 sets cylindrical contact section 524, and the lower end of sleeve 521 sets Coupling 525,
The middle part of Coupling 525 sets loop bar 522, and the cross-sectional area of the loop bar 522 is less than the cross-sectional area of contact-segment 524, makes promotion
During less to the cross section loop bar 522 of the pressure conduction of contact-segment 524, gas pressure intensity increase, braking ability is improved.
Further, the cross-sectional area of the contact-segment 524 is less than the cross-sectional area of sleeve 521, is easy to hand-held contact-segment
524 are mounted and dismounted.
Further, it is provided with for pacifying spring-loaded accommodating chamber, plays steady between the Coupling 525 and loop bar 522
The effect of fixing limit, make overall structure more stable, performance is more preferable.
Operation principle of the present utility model is：During semitrailer normally travel, the gas circuit of main car is entered by primary air inlet 3,
Enter the gas receiver of semitrailer by main gas outlet 4 again, now brake 7 obstructed air-flow of air inlet；When main car brakes, air inlet is braked
Mouth 7 is ventilated, and the air intake assembly 511 that air-flow is entered in piston cap 51 by main car gas circuit by braking air inlet 7, reaches piston cap 51
Between piston bush 52, because the cross-sectional area of sleeve 521 of piston bush 52 is more than the cross-sectional area of loop bar 522, certain pressure
Airflow function is transmitted to loop bar 522 and acted on downwards on piston bush 52, increases gas pressure intensity, caused brake force increase,
Semitrailer is carried out to suppress braking, reduces the danger of semitrailer preshoot.
To sum up, the semitrailer ABS pile-up valves by inside ABS pile-up valves piston component carry out structural adjustment,
During the brake of main car, the air pressure entered to main car end plays the effect of supercharging, single ABS pile-up valves can replace existing pile-up valve and
Effect is used cooperatively between relay valve, is easier installing/dismounting, overhaul efficiency is higher, meets current light-weighted demand.
Described above, simply explained through diagrams some principles of the present utility model, and this specification is not intended to this practicality
It is new to be confined in shown described concrete structure and the scope of application, therefore every corresponding modification for being possible to be utilized and wait
Jljl, belong to the apllied the scope of the claims of the utility model.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (6)
1. a kind of semitrailer ABS pile-up valves, including upper valve body（1）And lower valve body（2）, lower valve body（2）It is upper to set the master communicated to enter
Gas port（3）With main gas outlet（4）, piston component（5）, base bleed mouth（6）, it is characterised in that the upper valve body（1）In side
Portion sets braking air inlet（7）, upper valve body（1）Lower end sets lower valve body（2）, lower valve body（2）Provided with two symmetrical valve pockets, valve
Intracavitary is respectively arranged with piston component（5）With two base bleed mouths（6）；The piston component（5）Including piston cap（51）, it is living
Gag（51）Side is set and braking air inlet（7）The air intake assembly communicated（511）, piston cap（51）Lower end sets matched
Piston bush（52）, piston bush（52）Including sleeve（521）And loop bar（522）, sleeve（521）Cross-sectional area be more than loop bar
（522）Cross-sectional area.
2. semitrailer ABS pile-up valves according to claim 1, it is characterised in that：The air intake assembly（511）With piston cap
（51）Setting is integrated, air intake assembly（511）One end and upper valve body（1）Coordinate, air intake assembly（511）Inside sets air inlet to lead to
Road（512）, inlet channel（512）One end with braking air inlet（7）Communicate, inlet channel（512）The other end and piston cap
（51）Lower end side communicates.
3. semitrailer ABS pile-up valves according to claim 1, it is characterised in that：The sleeve（521）Middle part is provided with logical
Hole（523）, through hole（523）Inside it is equipped with guide rod（513）, guide rod（513）It is fixed on piston cap（51）The middle part of lower end.
4. the semitrailer ABS pile-up valves according to claim 1 or 3, it is characterised in that：The sleeve（521）Upper end is set
Cylindrical contact section（524）, sleeve（521）Lower end sets Coupling（525）, Coupling（525）Middle part sets loop bar（522）,
The loop bar（522）Cross-sectional area be less than contact-segment（524）Cross-sectional area.
5. semitrailer ABS pile-up valves according to claim 4, it is characterised in that：The contact-segment（524）Cross-sectional area
Less than sleeve（521）Cross-sectional area.
6. semitrailer ABS pile-up valves according to claim 4, it is characterised in that：The Coupling（525）With loop bar
（522）Between be provided with for pacifying spring-loaded accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679812.2U CN206797375U (en) | 2017-06-13 | 2017-06-13 | A kind of semitrailer ABS pile-up valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679812.2U CN206797375U (en) | 2017-06-13 | 2017-06-13 | A kind of semitrailer ABS pile-up valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206797375U true CN206797375U (en) | 2017-12-26 |
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ID=60747108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720679812.2U Active CN206797375U (en) | 2017-06-13 | 2017-06-13 | A kind of semitrailer ABS pile-up valves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753000A (en) * | 2021-09-26 | 2021-12-07 | 瑞安市瀚德车辆部件有限公司 | ABS integrated valve |
-
2017
- 2017-06-13 CN CN201720679812.2U patent/CN206797375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753000A (en) * | 2021-09-26 | 2021-12-07 | 瑞安市瀚德车辆部件有限公司 | ABS integrated valve |
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