CN207931710U - A kind of special relay valves of multi-functional ABS - Google Patents
A kind of special relay valves of multi-functional ABS Download PDFInfo
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- CN207931710U CN207931710U CN201820362908.0U CN201820362908U CN207931710U CN 207931710 U CN207931710 U CN 207931710U CN 201820362908 U CN201820362908 U CN 201820362908U CN 207931710 U CN207931710 U CN 207931710U
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Abstract
A kind of ABS relay valves, including valve body, valve deck, charged piston, supporting rack, spring, sealing piston, baffle ring and regulator, it is characterized in that the valve body lower portion is provided with gas outlet, normal open intake interface and gas receiver interface, the bottom of valve body is provided with exhaust outlet, the both sides of the valve deck are provided with pressure modulating opening and brake valve air inlet, the supporting rack is arranged on the top of exhaust outlet, the spring is arranged in the inside of supporting rack, the sealing piston is set on supporting rack and is connected with spring, the baffle ring is arranged on the top of sealing piston, the charged piston is arranged on the top of sealing piston, valve deck is arranged on the top of valve body；The usefulness of the utility model is：The function of ABS relay valves slow Automatic-boosting in braking process is realized, brake process is softer, the temperature-controllable of relay valve, eliminates the security risk that relay valve is frozen in, improves the safety coefficient of relay valve.
Description
Technical field
The utility model is related to semitrailer accessories technical field more particularly to a kind of special relay valves of multi-functional ABS.
Background technology
Relay valve belongs to a part for automobile air brake braking system, and relay valve air inlet connects gas receiver, and gas outlet connects system
It takes offence room.When brake pedal, the output pressure of brake valve is inputted as the control pressure of relay valve, is made in control pressure
Under, intake valve is pushed open, then compressed air just directly enters brake chamber by gas receiver by air inlet, and without flowing through
Brake valve, this substantially reduces the loading line of brake chamber, accelerates the gas replenishment process of gas chamber.Therefore relay valve is called acceleration
Valve.Relay valve is used for the end of long pipe runs, so that the compressed air of gas receiver is rapidly filled with brake chamber, such as in trailer or semitrailer
In braking system.In the braking system of truck, relay valve plays a part of to shorten reaction time and pressure settling time.
During the work time, when brake starts, the gas of gas receiver largely enters braking gas to ABS relay valves in semitrailer
Room, braking strength is excessive, easily causes brake locking, and skidding is not soft, tire of seriously dawdling.When weather anomaly cold
It waits, the phenomenon that gas usually contains moisture in ABS relay valves, and relay valve is freezed, is susceptible to brake failure by moisture icing, deposits
In prodigious security risk.
Invention content
To solve the above-mentioned problems, the utility model provides a kind of special relay valves of multi-functional ABS, provides a kind of braking
Gas pressure automatically adjusts and the ABS relay valves of temperature-controllable.To achieve the above object, the technical solution that the utility model is taken
For：A kind of special relay valves of multi-functional ABS, including valve body, valve deck, charged piston, supporting rack, spring I, sealing piston, baffle ring
And regulator, the valve body lower portion are provided with gas outlet, normal open intake interface and gas receiver interface, the bottom setting of valve body
There are exhaust outlet, the top of the gas outlet to be provided with return port, brake valve air inlet, valve deck are provided on the right side of the valve deck
Left side be provided with pressure modulating opening, the bottom of the pressure modulating opening is provided with deflector hole, and the side of pressure modulating opening is provided with vent, described
Supporting rack be arranged on the top of exhaust outlet, the spring I is arranged in the inside of supporting rack, and the sealing piston is set in
It is connected on supporting rack and with spring I, the baffle ring is arranged on the top of sealing piston, and regulator setting exists
The inside of pressure modulating opening, the charged piston are arranged on the top of sealing piston, and valve deck is arranged in the top of valve body, normal open air inlet
Interface is connected with gas receiver interface, and input service gas chamber, valve deck, charged piston and valve body are constituted between valve deck and charged piston
Constitute reflux work gas chamber, sealing piston, baffle ring, supporting rack and valve body constitute gas storage and work gas chamber, charged piston, baffle ring, close
It seals piston and valve body constitutes braking operation gas chamber.
Further, the inner surface setting of valve deck is fluted, and the top of groove is provided with cavity, and cavity is internally provided with
Heating rod, groove can make the heating effect of heating rod more preferable, reduce heating rod at a distance from gas in valve body, improve and add
The speed and efficiency of heat.
Further, regulator includes spring II, spring III, recessed piston and convex piston, the right side of the recessed piston
It is provided with annular groove, mounting hole is provided on the left of recessed piston, annular groove, convex work are provided on the left of the convex piston
Gas passage is provided in the middle part of plug, convex piston is arranged in the mounting hole of recessed piston, and the annular in recessed piston is arranged in spring II
On groove, spring III is arranged on the annular groove of convex piston, and the area of convex piston annular groove is more than recessed piston annular groove
Area.
Further, supporting rack is set as double tubular structures, and the inner cylinder height of supporting rack is more than the height of outer barrel, supporting rack
Middle part be provided with through-hole.
Further, sealing piston is set as double tubular structures, and the inner cylinder height of sealing piston is less than the height of outer barrel, close
It is provided with through-hole in the middle part of envelope piston.
Further, the bottom of charged piston is provided with annular groove, and the area of annular groove is more than sealing piston through-hole
Area and less than sealing piston outer circle area.
Compared with prior art, the utility model has the advantages that：ABS relay valves are realized in braking process
The function of slow Automatic-boosting, brake process is softer, the temperature-controllable of relay valve, eliminates the safety that relay valve is frozen in
Hidden danger improves the safety coefficient of relay valve.
Description of the drawings
The utility model is described in further detail below in conjunction with attached drawing.
Attached drawing 1 is the structural schematic diagram of the utility model；
In attached drawing：1, valve body, 11, gas outlet, 111, return port, 12, exhaust outlet, 2, valve deck, 21, brake valve air inlet,
22, pressure modulating opening, 221, deflector hole, 222, vent, 3, charged piston, 4, supporting rack, 5, spring I, 6, sealing piston, 7, gear
Ring, 8, regulator, 81, spring II, 82, spring III, 83, recessed piston, 84, convex piston, 101, input service gas chamber, 102, return
Flow work gas chamber, 103, gas storage work gas chamber, 104, braking operation gas chamber.
Specific implementation mode
In order to enable those skilled in the art to better understand the technical solutions of the present invention, below in conjunction with the accompanying drawings 1 and tool
Body embodiment is further described the utility model.
As shown in Fig. 1, a kind of special relay valves of multi-functional ABS, including valve body 1, valve deck 2, charged piston 3, supporting rack
4, spring I 5, sealing piston 6, baffle ring 7 and regulator 8, the valve body lower portion are provided with gas outlet 11, normal open intake interface
The bottom of gas receiver interface, valve body 1 is provided with exhaust outlet 12, the top of the gas outlet 11 is provided with return port 111, institute
The right side for stating valve deck 2 is provided with brake valve air inlet 21, and the left side of valve deck 2 is provided with pressure modulating opening 22, the bottom of the pressure modulating opening 22
Portion is provided with deflector hole 221, and the side of pressure modulating opening 22 is provided with vent 222, and the supporting rack 4 is arranged in exhaust outlet 12
Top, the sealing piston 6 are set on supporting rack 4 and are connected with spring I 5, and the sealing piston 6 is arranged in bullet
On spring I 5, the baffle ring 7 is arranged on the top of sealing piston 6, and the regulator 8 is arranged in the inside of pressure modulating opening 22,
The charged piston 3 is arranged on the top of sealing piston 6, and valve deck 2 is arranged in the top of valve body 1, normal open intake interface and storage
Inflator interface is connected, and input service gas chamber 101, valve deck 2, charged piston 3 and valve body 1 are constituted between valve deck 2 and charged piston 3
Reflux work gas chamber 102 is constituted, sealing piston 6, baffle ring 7, supporting rack 4 and valve body 1 constitute gas storage work gas chamber 103, and supercharging is lived
Plug 3, baffle ring 7, sealing piston 6 and valve body 1 constitute braking operation gas chamber 104.
Further, the inner surface setting fluted 23 of valve deck 2, the top of groove are provided with cavity 24, cavity 24 it is interior
Portion is provided with heating rod 25, and the structure of groove 23 reduces heating rod 24 at a distance from gas in relay valve, can make heating rod
Heating effect it is more preferable, improve the speed and efficiency of heating.
Further, regulator 8 includes spring II 81, spring III 82, recessed piston 83 and convex piston 84, the recessed work
The right side of plug 83 is provided with annular groove, and the left side of recessed piston 83 is provided with mounting hole, the left side setting of the convex piston 84
There are annular groove, the middle part of convex piston 84 to be provided with gas passage, convex piston 84 is arranged in the mounting hole of recessed piston 83, spring
II 81 are arranged on the annular groove of recessed piston 83, and spring III 82 is arranged on the annular groove of convex piston 84,84 ring of convex piston
The area of connected in star is more than the area of 83 annular groove of recessed piston.
Further, supporting rack 4 is set as double tubular structures, and the inner cylinder height of supporting rack 4 is more than the height of outer barrel, support
The middle part of frame 4 is provided with through-hole.
Further, sealing piston 6 is set as double tubular structures, and the inner cylinder height of sealing piston 6 is less than the height of outer barrel,
The middle part of sealing piston 6 is provided with through-hole.
Further, the bottom of charged piston 3 is provided with annular groove, and the area of annular groove is logical more than sealing piston 6
The area in hole and the area for being less than 6 outer circle of sealing piston.
The course of work of the utility model is as follows：When trailer normally travel, in the normal open intake interface of 1 lower part of valve body
Gas flows into gas receiver interface, and stores to gas receiver and preserve, and gas storage work gas chamber 103 is not connected to braking operation gas chamber 104,
Gas outlet 11 is flowed out without gas, is not in brake behavior；When trailer needs brake, brake valve inlet channel 21 has gas
Input service gas chamber 101 is flowed into, charged piston 3 moves down under gas pressure, drives sealing piston 6 to move down, spring I
5 are compressed, and gas storage work gas chamber 103 is connected to braking operation gas chamber 104, and the gas of gas storage work gas chamber 103 enters braking work
Make gas chamber 104, a part of gas enters gas outlet 11, plays braking action, another part gas by return port 111, lead
Discharge orifice 221, vent 222 enter reflux work gas chamber 102, and the gas of reflux work gas chamber 102 generates one to charged piston 3
Upward thrust reduces the flow that gas is flowed from gas storage work gas chamber 103 to braking operation gas chamber 104, and gas outlet 11 is flowed
The gas phase gone out should be reduced, and reduce braking strength when beginning, and with the increase of gas pressure, gas passes through convex piston 84
Gas passage enters in the annular groove in left side, since the area of 84 left side annular groove of convex piston is more than 82 right side ring of recessed piston
The area of connected in star, regulator 8 move to the right, have blocked vent hole 222, braking strength bigger.
Compared with prior art, the utility model has the advantages that：ABS relay valves are realized in braking process
The function of slow Automatic-boosting, brake process is softer, the temperature-controllable of relay valve, eliminates the safety that relay valve is frozen in
Hidden danger improves the safety coefficient of relay valve.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technique effect, is the protection model for falling into the utility model
It encloses.
Claims (6)
1. a kind of special relay valves of multi-functional ABS, including valve body（1）, valve deck（2）, charged piston（3）, supporting rack（4）, spring I
（5）, sealing piston（6）, baffle ring（7）And regulator（8）, it is characterized in that the valve body（1）Lower part is provided with gas outlet
（11）, normal open intake interface and gas receiver interface, valve body（1）Bottom be provided with exhaust outlet（12）, the gas outlet（11）
Top be provided with return port（111）, the valve deck（2）Right side be provided with brake valve air inlet（21）, valve deck（2）Left side
It is provided with pressure modulating opening（22）, the pressure modulating opening（22）Bottom be provided with deflector hole（221）, pressure modulating opening（22）Side be provided with
Vent（222）, the supporting rack（4）It is arranged in exhaust outlet（12）Top, the spring I（5）It is arranged in supporting rack
（4）Inside, the sealing piston（6）It is set in supporting rack（4）It is upper and with spring I（5）It connects, the baffle ring
（7）It is arranged in sealing piston（6）Top, the regulator（8）It is arranged in pressure modulating opening（22）Inside, the supercharging
Piston（3）It is arranged in sealing piston（6）Top, valve deck（2）It is arranged in valve body（1）Top, normal open intake interface and gas storage
Cylinder interface is connected, valve deck（2）With charged piston（3）Between constitute input service gas chamber（101）, valve deck（2）, charged piston
（3）And valve body（1）Constitute reflux work gas chamber（102）, sealing piston（6）, baffle ring（7）, supporting rack（4）And valve body（1）It constitutes
Gas storage work gas chamber（103）, charged piston（3）, baffle ring（7）, sealing piston（6）And valve body（1）Constitute braking operation gas chamber
（104）.
2. the special relay valves of multi-functional ABS according to claim 1, it is characterized in that valve deck（2）Inner surface be provided with it is recessed
Slot（23）, the top of groove is provided with cavity（24）, cavity（24）Be internally provided with heating rod（25）.
3. the special relay valves of multi-functional ABS according to claim 1, it is characterized in that regulator（8）Including spring II
（81）, spring III（82）, recessed piston（83）With convex piston（84）, the recessed piston（83）Right side be provided with annular groove,
Recessed piston（83）Left side be provided with mounting hole, the convex piston（84）Left side be provided with annular groove, convex piston（84）
Middle part be provided with gas passage, convex piston（84）It is arranged in recessed piston（83）Mounting hole in, spring II（81）It is arranged recessed
Piston（83）Annular groove on, spring III（82）It is arranged in convex piston（84）Annular groove on, convex piston（84）Annular is recessed
The area of slot is more than recessed piston（83）The area of annular groove.
4. the special relay valves of multi-functional ABS according to claim 1, it is characterized in that supporting rack（4）It is set as bitubular shape knot
Structure, supporting rack（4）Inner cylinder height be more than outer barrel height, supporting rack（4）Middle part be provided with through-hole.
5. the special relay valves of multi-functional ABS according to claim 1, it is characterized in that sealing piston（6）It is set as bitubular shape
Structure, sealing piston（6）Inner cylinder height be less than outer barrel height, sealing piston（6）Middle part be provided with through-hole.
6. the special relay valves of multi-functional ABS according to claim 1, it is characterized in that charged piston（3）Bottom be provided with
The area of annular groove, annular groove is more than sealing piston（6）The area of through-hole and be less than sealing piston（6）The area of outer circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362908.0U CN207931710U (en) | 2018-03-17 | 2018-03-17 | A kind of special relay valves of multi-functional ABS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362908.0U CN207931710U (en) | 2018-03-17 | 2018-03-17 | A kind of special relay valves of multi-functional ABS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207931710U true CN207931710U (en) | 2018-10-02 |
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ID=63655210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362908.0U Active CN207931710U (en) | 2018-03-17 | 2018-03-17 | A kind of special relay valves of multi-functional ABS |
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| Country | Link |
|---|---|
| CN (1) | CN207931710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481530A (en) * | 2019-09-18 | 2019-11-22 | 张应彪 | A kind of multi-functional relay valve of booster-type |
-
2018
- 2018-03-17 CN CN201820362908.0U patent/CN207931710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481530A (en) * | 2019-09-18 | 2019-11-22 | 张应彪 | A kind of multi-functional relay valve of booster-type |
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