CN105015533B - A kind of two grades of transformation three-axle relay valves - Google Patents
A kind of two grades of transformation three-axle relay valves Download PDFInfo
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- CN105015533B CN105015533B CN201510489179.6A CN201510489179A CN105015533B CN 105015533 B CN105015533 B CN 105015533B CN 201510489179 A CN201510489179 A CN 201510489179A CN 105015533 B CN105015533 B CN 105015533B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a kind of two grades of transformation three-axle relay valves, including upper valve body and lower valve body, upper valve body is provided with one-level brake chamber, two stage braking chamber, one-level air inlet pipe and secondary inlet pipe, and one-level air inlet pipe is connected with secondary inlet Guan Junyu one-level brake chambers；The two ends of the one-level brake chamber are connected with two stage braking chamber, and one-level brake chamber two ends are equipped with one-level transformation piston, and the wherein one-level transformation piston of one end is located at the connectivity part lower section of secondary inlet pipe and one-level brake chamber；Two stage braking chamber one end is located at the same side provided with two grades of transformation pistons with secondary inlet pipe；The one-level brake chamber two ends are provided with transformation regulating bolt, and transformation regulating bolt is against on one-level transformation piston.The present invention can adjust the decrement of return spring by rotating transformation regulating bolt, so as to change the pressure size needed for control gas opening one-level transformation piston, it is ensured that the braking effect of different tonnage automobiles, reduce the generation of security incident.
Description
Technical field
The invention belongs to automobile brake technical field, more particularly to a kind of two grades of transformation three-axle relay valves.
Background technology
Relay valve belongs to a part for automobile air brake brakes, in the brakes of truck, and relay valve plays contracting
The effect of short reaction time and pressure setup time.Relay valve is used for the end of long pipe runs, makes the compressed air of gas receiver quick
Full of brake chamber.Current three-axle relay valve is widely used in brake system of car, is especially braked in trailer or semitrailer
Using more universal in system.
In the patent of invention of Patent No. 2012202741141, a kind of two grades of bridge synchronous relay valves of transformation three are disclosed,
Including the upper valve body being fixed together and lower valve body, upper valve body is provided with control mouth, lower valve body and is provided with braking outlet
Mouth, braking air inlet, exhaust outlet and valve, upper valve body are provided with one-level brake chamber and two stage braking chamber, and control mouth is arranged on one-level
Brake chamber one end, the other end of one-level brake chamber is connected with one end of two stage braking chamber, and two stage braking intracavitary is braked from one-level
The connection end of chamber is sequentially provided with piston positioning seat, two grades of transformation pistons, two grades of voltage control valves, two grades of transformation pistons to the other end
End face close to piston positioning seat is connected with one-level brake chamber, and first stage piston and second piston, first stage piston are provided with upper valve body
It is socketed in second piston, one-level braking cavity wall is communicated with the one-level intercommunicating pore of first stage piston upper surface, two stage braking chamber
It is communicated with being additionally provided with two grades of intercommunicating pores of second piston upper surface, two stage braking chamber on inwall and connects with two grades of voltage control valves
Logical secondary inlet mouthful.This patent brakes hypodynamic ask by one-level, the double action of second piston when solving heavy duty
Topic, but the brake force of relay valve, which is that factory is original, to be set, driver in use can not autonomous regulating brake force.
The content of the invention
The invention aims to provide, one simple in construction, brake force strong, is difficult locking, when heavily loaded brake force it is big and
The two grades of transformation three-axle relay valves that brake force can be adjusted.
Therefore, the technical scheme is that：A kind of two grades of transformation three-axle relay valves, including be fixed together it is upper
Be provided with braking gas outlet, braking air inlet and valve in valve body and lower valve body, lower valve body, upper valve body provided with one-level brake chamber and
Two stage braking chamber；First stage piston and second piston are provided with upper valve body, first stage piston is socketed in second piston, one-level brake chamber
Inwall is communicated with being communicated with second piston upper surface on the one-level intercommunicating pore of first stage piston upper surface, two stage braking cavity wall
Two grades of intercommunicating pores；It is characterized in that：The upper valve body is additionally provided with one-level air inlet pipe and secondary inlet pipe, one-level air inlet pipe and two
Level air inlet pipe is connected with one-level brake chamber；The two ends of the one-level brake chamber are equipped with the ventilation connected with two stage braking chamber
Mouthful, one-level brake chamber two ends are equipped with one-level transformation piston, and above blow vent, the one-level transformation piston of wherein one end is located at
The connectivity part lower section of secondary inlet pipe and one-level brake chamber；Two stage braking chamber one end is located at and one-level provided with two grades of transformation pistons
Below the blow vent of brake chamber connection, it is located at the same side with secondary inlet pipe；The one-level brake chamber two ends are adjusted provided with transformation
Bolt, transformation regulating bolt is against on one-level transformation piston.
Further, the one-level transformation piston is to have through hole on cylindrical shape, cylinder outer wall；From one-level braking in cylinder
The end of chamber is sequentially provided with first stage piston positioning seat, one-level return spring and first stage piston block to center, and the one-level is returned
Position spring one end is enclosed on first stage piston positioning seat, and the other end is against on the end face of first stage piston block.
Further, provided with transformation regulating bolt seat, transformation regulating bolt and transformation inside the one-level brake chamber two ends
Regulating bolt seat screw thread coordinates, and transformation regulating bolt is against on the first stage piston positioning seat in one-level transformation piston.
Further, two grades of transformation pistons include T-shaped second piston block, two grades of return springs and second piston
Seat, the second piston seat is hollow-core construction, and inside has annular step surface, and second piston seat is filled in second piston block end
It is interior；Two grades of return springs are enclosed on second piston block, and one end is against on the end face of second piston block, and the other end is against two grades
In annular step surface in piston seat.
When unloaded, one-level air inlet pipe input control gas of the invention, when the pressure of control gas is within 3MPa, is controlled
Gas brakes the one-level intercommunicating pore on cavity wall by one-level and is transported to first stage piston upper surface, and promotes first stage piston downward
Motion, first stage piston promotes valve, braking air inlet is connected with braking gas outlet, and brake gas is transported to from braking air inlet
Exported in lower valve body and from braking gas outlet.
When heavily loaded, the control gas pressure that one-level air inlet pipe of the invention is inputted is in more than 3MPa, and control gas is on the one hand
It is transferred to the upper end of first stage piston and promotes first stage piston；On the other hand, gas transport is controlled to one-level brake chamber left and right ends
One-level transformation piston at, promote first stage piston block, the one-level transformation piston of left end, which is opened, causes control gas to be braked from one-level
The connectivity part of chamber and two stage braking chamber is transported to two stage braking chamber；Meanwhile, right-hand member is placed in secondary inlet pipe and one-level brake chamber
Connectivity part below one-level transformation piston be opened after, secondary inlet pipe input control gas is to one-level brake chamber；From left end
The brake gas part that one-level transformation piston is transported to two stage braking chamber is transported to from two grades of intercommunicating pores of two stage braking intracavitary
Second piston upper surface, another part promotes the second piston block in two grades of transformation pistons so that one-level brake chamber and two-stage system
The blow vent of dynamic chamber right-hand member is opened, the gas input two stage braking intracavitary of secondary inlet mouthful, the control with two stage braking chamber left end
Gas processed converges, and is transported to second piston upper surface from two grades of intercommunicating pores, second piston is promoted rapidly, second piston is further pushed away
Dynamic first stage piston is allowed to continue to descending push valve open.
Transformation regulating bolt of the present invention positioned at one-level brake chamber two ends can be by rotating come regulating brake force, and rotation becomes
Regulating bolt is pressed to adjust the position of the decrement of one-level return spring and first stage piston block in one-level transformation piston, so as to change
The pressure size become needed for control gas opening one-level transformation piston so that driver can adjust transformation regulation according to automobile tonnage
Bolt is to suitable position, it is ensured that the braking effect of different tonnage automobiles, reduces the generation of security incident.
Brief description of the drawings
It is described in further detail below in conjunction with accompanying drawing and embodiments of the present invention.
Fig. 1 is structural representation of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the sectional view of one-level brake chamber position of the present invention.
Fig. 4 is the sectional view of two stage braking chamber position of the present invention.
Fig. 5 is the transverse sectional view of upper valve body of the present invention.
Marked in figure：Upper valve body 1, lower valve body 2, one-level brake chamber 3, one-level intercommunicating pore 31, blow vent 32, one-level transformation
Piston 33, transformation regulating bolt 34, through hole 35, first stage piston positioning seat 36, one-level return spring 37, first stage piston block 38, change
Press regulating bolt seat 39, two stage braking chamber 4, two grades of intercommunicating pores 41, two grades of transformation pistons 42, second piston block 43, two grades of returns
Spring 44, second piston seat 45, first stage piston 5, second piston 6, braking gas outlet 7, braking air inlet 8, valve 9, one are grading
Tracheae 10, secondary inlet pipe 11.
Embodiment
Referring to accompanying drawing.The present embodiment includes being provided with upper valve body 1 and the lower valve body 2 being fixed together, lower valve body 1
Gas outlet 7, braking air inlet 8 and valve 9 are braked, upper valve body is provided with one-level brake chamber 3 and two stage braking chamber 4；Set in upper valve body 1
There are first stage piston 5 and second piston 6, first stage piston is socketed in second piston, the inwall of one-level brake chamber 3 is communicated with one-level work
Fill in two grades of intercommunicating pores that the upper surface of second piston 6 is communicated with the one-level intercommunicating pore 31 of 5 upper surfaces, the inwall of two stage braking chamber 4
41；The upper valve body 1 is additionally provided with one-level air inlet pipe 10 and secondary inlet pipe 11, one-level air inlet pipe and secondary inlet Guan Junyu one-levels
Brake chamber is connected；The two ends of the one-level brake chamber are equipped with the blow vent 32 connected with two stage braking chamber, one-level brake chamber two
End is equipped with one-level transformation piston 33, above blow vent, and wherein the one-level transformation piston 33 of one end is located at secondary inlet pipe
11 with below the connectivity part of one-level brake chamber 3；Braked provided with two grades of transformation pistons 42 positioned at one-level the one end of two stage braking chamber 4
The lower section of blow vent 32 of chamber connection, is located at the same side with secondary inlet pipe 11；The two ends of one-level brake chamber 3 are adjusted provided with transformation
Bolt 34, transformation regulating bolt is against on one-level transformation piston.
The one-level transformation piston 33 of the present embodiment is to have through hole 35 on cylindrical shape, cylinder outer wall；From one-level system in cylinder
The end of dynamic chamber 3 is sequentially provided with first stage piston positioning seat 36, one-level return spring 37 and first stage piston block 38, institute to center
State the one end of one-level return spring 37 to be enclosed on first stage piston positioning seat 36, the other end is against on the end face of first stage piston block 38.
Provided with transformation regulating bolt seat 39 inside the two ends of one-level brake chamber 3 of the present embodiment, transformation regulating bolt 34 is with becoming
Regulating bolt seat screw thread is pressed to coordinate, transformation regulating bolt 34 is against on the first stage piston positioning seat 36 in one-level transformation piston.Rotation
Transformation presses regulating bolt 34 to adjust the decrement and first stage piston block 38 of one-level return spring 37 in one-level transformation piston 33
Position so that changing control gas opens pressure size needed for one-level transformation piston 33 so that driver can be according to automobile
Tonnage regulation transformation regulating bolt 34 arrives suitable position, it is ensured that the braking effect of different tonnage automobiles, reduces security incident
Occur.
Two grades of transformation pistons 42 of the present embodiment include T-shaped second piston block 43, two grades of return springs 44 and two grades
Piston seat 45, the second piston seat 45 is hollow-core construction, and inside has annular step surface, and the end of second piston block 43 fills in two
In level piston seat；Two grades of return springs 44 are enclosed on second piston block, and one end is against on the end face of second piston block, another
End is against in the annular step surface in second piston seat.
When unloaded, the one-level air inlet pipe 10 of the present embodiment input control gas, when the pressure of control gas is within 3MPa,
Control gas is transported to the upper surface of first stage piston 5 by the one-level intercommunicating pore 31 on the inwall of one-level brake chamber 3, and promotes one-level
Piston 5 is moved downward, and first stage piston promotes valve 9, makes braking air inlet 8 and brake gas outlet 7 to connect, and brake gas is from braking
Air inlet is transported in lower valve body 2 and exported from braking gas outlet.
When heavily loaded, the control gas pressure of the input of one-level air inlet pipe 10 of the present embodiment controls gas one in more than 3MPa
Aspect is transferred to the upper end of first stage piston 5 and promotes first stage piston；On the other hand, control gas transport is left to one-level brake chamber 3
At the one-level transformation piston 33 at right two ends, first stage piston block 38 is promoted, the one-level transformation piston of left end, which is opened, causes control gas
Two stage braking chamber 4 is transported to from the blow vent 32 of one-level brake chamber and two stage braking chamber；Meanwhile, right-hand member is placed in secondary inlet pipe
After 11 are opened with the one-level transformation piston below the connectivity part of one-level brake chamber 3, the input control gas of secondary inlet pipe 11 is arrived
One-level brake chamber 3；The brake gas for being transported to two stage braking chamber 4 from left end one-level transformation piston 33 is a part of from two stage braking chamber
Two grades of intercommunicating pores 41 in 4 are transported to the upper surface of second piston 6, and another part promotes the second piston in two grades of transformation pistons 42
Block 43 so that the blow vent of one-level brake chamber 3 and the right-hand member of two stage braking chamber 4 is opened, the gas input two of secondary inlet mouthful 11
In level brake chamber 4, converge with the control gas of the left end of two stage braking chamber 4, the upper end of second piston 6 is transported to from two grades of intercommunicating pores 41
Face, rapid to promote second piston 6, second piston 6 further promotes first stage piston 5 to be allowed to continue to descending push valve 9 open.
Claims (4)
1. set in a kind of two grades of transformation three-axle relay valves, including the upper valve body and lower valve body being fixed together, lower valve body
There are braking gas outlet, braking air inlet and valve, upper valve body is provided with one-level brake chamber and two stage braking chamber；One is provided with upper valve body
Level piston and second piston, first stage piston are socketed in second piston, and one-level braking cavity wall is communicated with first stage piston upper end
Two grades of intercommunicating pores of second piston upper surface are communicated with the one-level intercommunicating pore in face, two stage braking cavity wall；It is characterized in that：
The upper valve body is additionally provided with one-level air inlet pipe and secondary inlet pipe, and one-level air inlet pipe and secondary inlet Guan Junyu one-levels brake chamber connect
It is logical；The two ends of the one-level brake chamber are equipped with the blow vent connected with two stage braking chamber, and one-level brake chamber two ends are equipped with one
Level transformation piston, above blow vent, wherein the one-level transformation piston of one end is located at secondary inlet pipe and one-level brake chamber
Below connectivity part；Two stage braking chamber one end is provided with two grades of transformation pistons, below the blow vent connected with one-level brake chamber, with
Secondary inlet pipe is located at the same side；The one-level brake chamber two ends are provided with transformation regulating bolt, and transformation regulating bolt is against one-level
On transformation piston.
2. two grades of transformation three-axle relay valves of one kind as claimed in claim 1, it is characterised in that：The one-level transformation piston is circle
There is through hole on tubular, cylinder outer wall；First stage piston is sequentially provided with cylinder from the end of one-level brake chamber to center to determine
Position seat, one-level return spring and first stage piston block, described one-level return spring one end are enclosed on first stage piston positioning seat, the other end
On the end face for being against first stage piston block.
3. two grades of transformation three-axle relay valves of one kind as claimed in claim 2, it is characterised in that：In the one-level brake chamber two ends
Portion coordinates provided with transformation regulating bolt seat, transformation regulating bolt with transformation regulating bolt seat screw thread, and transformation regulating bolt is against one
On first stage piston positioning seat in level transformation piston.
4. two grades of transformation three-axle relay valves of one kind as claimed in claim 1, it is characterised in that：Two grades of transformation pistons include
T-shaped second piston block, two grades of return springs and second piston seat, the second piston seat is hollow-core construction, and inside has
Annular step surface, second piston block end is filled in second piston seat；Two grades of return springs are enclosed on second piston block, and one
End is against on the end face of second piston block, and the other end is against in the annular step surface in second piston seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489179.6A CN105015533B (en) | 2015-08-12 | 2015-08-12 | A kind of two grades of transformation three-axle relay valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489179.6A CN105015533B (en) | 2015-08-12 | 2015-08-12 | A kind of two grades of transformation three-axle relay valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105015533A CN105015533A (en) | 2015-11-04 |
| CN105015533B true CN105015533B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510489179.6A Expired - Fee Related CN105015533B (en) | 2015-08-12 | 2015-08-12 | A kind of two grades of transformation three-axle relay valves |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802159B (en) * | 2022-05-13 | 2023-07-14 | 中车齐齐哈尔车辆有限公司 | Emergency valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202703572U (en) * | 2012-06-12 | 2013-01-30 | 许如刚 | Two-level voltage-transforming three-bridge synchronous relay valve |
| CN202703573U (en) * | 2012-07-13 | 2013-01-30 | 许如刚 | Secondary transformation relay valve |
| CN203611977U (en) * | 2013-11-29 | 2014-05-28 | 诸暨市申强汽车配件厂 | Variable pressure relay valve |
| CN204172898U (en) * | 2014-09-17 | 2015-02-25 | 诸暨市枫桥天晨制动阀厂 | A kind of antilock king's three-axle relay valve of complying with one's wishes |
| CN204323326U (en) * | 2014-12-09 | 2015-05-13 | 许如刚 | Multifunctional intellectual transformation three-axle relay valve |
| CN204821540U (en) * | 2015-08-12 | 2015-12-02 | 马丽杭 | Three bridge relay valves of second grade vary voltage |
-
2015
- 2015-08-12 CN CN201510489179.6A patent/CN105015533B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202703572U (en) * | 2012-06-12 | 2013-01-30 | 许如刚 | Two-level voltage-transforming three-bridge synchronous relay valve |
| CN202703573U (en) * | 2012-07-13 | 2013-01-30 | 许如刚 | Secondary transformation relay valve |
| CN203611977U (en) * | 2013-11-29 | 2014-05-28 | 诸暨市申强汽车配件厂 | Variable pressure relay valve |
| CN204172898U (en) * | 2014-09-17 | 2015-02-25 | 诸暨市枫桥天晨制动阀厂 | A kind of antilock king's three-axle relay valve of complying with one's wishes |
| CN204323326U (en) * | 2014-12-09 | 2015-05-13 | 许如刚 | Multifunctional intellectual transformation three-axle relay valve |
| CN204821540U (en) * | 2015-08-12 | 2015-12-02 | 马丽杭 | Three bridge relay valves of second grade vary voltage |
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| Publication number | Publication date |
|---|---|
| CN105015533A (en) | 2015-11-04 |
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Granted publication date: 20170926 Termination date: 20180812 |