CN105015534B - Adjustor of braking relay valve - Google Patents
Adjustor of braking relay valve Download PDFInfo
- Publication number
- CN105015534B CN105015534B CN201510497037.4A CN201510497037A CN105015534B CN 105015534 B CN105015534 B CN 105015534B CN 201510497037 A CN201510497037 A CN 201510497037A CN 105015534 B CN105015534 B CN 105015534B
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- China
- Prior art keywords
- valve
- cylinder
- piston
- big
- countercylinder
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- Expired - Fee Related
Links
- 238000005266 casting Methods 0.000 claims abstract description 5
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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 present invention is a kind of adjustor of braking relay valve.The valve placement interior that the valve placement interior that the present invention is included on the outside of master cylinder and countercylinder, the valve of master cylinder is set on the outside of dress valve return spring, the valve of countercylinder sets dress valve and fixes casting die, the valve of countercylinder is closed all the time；Exhaust passage is provided centrally with the big piston closely coupled successively, valve piston and valve mandril of countercylinder；Master cylinder is connected and communicated with servo valve air gate with the two big cylinder in countercylinder using big cylinder threeway, master cylinder is connected and communicated with the steady room of servo valve piston with two small cylinders in countercylinder using small cylinder threeway.The present invention, which has, progressively smoothly to lift the skidding air pressure that brake relay valve is exported according to the air pressure of input, enable the vehicle to smoothly brake, even if the jail that also steadily can hastily stop of bringing to a halt, the characteristics of safe and reliable, performance is good.
Description
Technical field
The present invention relates to a kind of servo valve adjuster, particularly a kind of adjustor of braking relay valve.
Background technology
Existing adjustor of braking relay valve, can not all make brake relay valve gradually steadily lift the skidding of output
Air pressure, when the air pressure for being input to adjustor of braking relay valve is 0.1~0.3MPa, relay valve valve is opened, and is that normal open is vaporous
State；When the air pressure for being input to adjustor of braking relay valve reaches more than 0.3MPa, relay valve valve is closed, and servo valve piston is put down
Air pressure is discharged through servo valve adjuster in steady room, the skidding air pressure that relay valve is exported rapidly is raised, and rapidly embraces tire
Extremely.So, existing adjustor of braking relay valve poor safety performance cannot be guaranteed safely, easily cause traffic accident, easily causes
Tire take-off, wear and tear, gnaw bad, break away etc..
The content of the invention
For problem above, braked it is an object of the invention to provide a kind of progressively can smoothly be lifted according to the air pressure of input
The adjustor of braking relay valve of the skidding air pressure of relay valve output.
A kind of adjustor of braking relay valve, including master cylinder and countercylinder, phase is sequentially provided with master cylinder and countercylinder
Connection big cylinder, small cylinder and valve placement room, and two ends respectively with big cylinder and valve placement room be connected and with it is stingy
Cylinder air flue arranged in parallel；And be provided with corresponding one by one and closely coupled successively to big cylinder, small cylinder and valve placement room
Big piston, valve piston and valve mandril, and set the piston return spring in big cylinder；Wherein, outside the valve of master cylinder
The valve placement interior of side sets dress valve return spring, and the valve placement interior on the outside of the valve of countercylinder sets dress valve and fixed
Casting die, the valve of countercylinder is closed all the time, and the big piston closely coupled successively in countercylinder, valve piston and
Valve mandril is provided centrally with exhaust passage, and using big cylinder threeway by two of two cylinders big cylinder and relay valve outlet
Mouth is connected and communicated, and two small cylinders of two cylinders are connected and phase with the steady room of servo valve piston using small cylinder threeway
It is logical.
The present invention, which not only has, progressively smoothly to lift the skidding that brake relay valve is exported according to the air pressure of input
Air pressure, enables the vehicle to smoothly brake, and also steadily can hastily be braked even if bringing to a halt, safe and reliable, has a safety feature, can be big
It is big to reduce traffic accident；Also there is tire during brake to be difficult take-off, wear and tear, gnaw bad, the advantages of sideslip, be a kind of cost performance it is high,
The obvious adjustor of braking relay valve of economical and practical, social benefit.
Brief description of the drawings
Fig. 1 is the structural representation of the first state of adjustor of braking relay valve of the present invention.
Fig. 2 is the structural representation of second of state of adjustor of braking relay valve of the present invention.
Fig. 3 is the structural representation of the third state of adjustor of braking relay valve of the present invention.
In 1~accompanying drawing of accompanying drawing 3,1 represents valve return spring；2 represent valve；3 represent valve placement room；4 represent valve
Door push rod；5 represent air flue；6 represent stomata；7 represent small cylinder；8 represent valve piston；9 represent inlet channel；10 represent that exhaust is logical
Road check valve return spring；11 represent big piston；12 represent inlet channel check valve；13 represent big cylinder；14 represent big cylinder
Threeway；15 represent piston return spring；16a represents master cylinder；16b represents countercylinder；17 represent set screw；18 represent ventilation
Mouthful；19 represent spacing jump ring；20 represent exhaust passage；21 represent that valve fixes casting die；22 represent small cylinder threeway.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing：
1 to accompanying drawing 3, a kind of adjustor of braking relay valve, including master cylinder 16a and countercylinder 16b referring to the drawings, in main gas
Cylinder 16a be sequentially provided with countercylinder 16b the big cylinder 13 being connected, small cylinder 7 and valve placement room 3, and two ends respectively with
Big cylinder 13 and valve placement room 3 is connected and the air flue 5 arranged in parallel with small cylinder 7；And be provided with and big cylinder 13, stingy
Cylinder 7 and valve placement room 3 is corresponding one by one and big piston 11 closely coupled successively, valve piston 8 and valve mandril 4, and set and be mounted in
Piston return spring 15 in big cylinder 13；Wherein, dress valve is set in the valve placement room 3 in the master cylinder 16a outside of valve 2
Return spring 1；Dress valve is set in the valve placement room 3 in the countercylinder 16b outside of valve 2 and fixes casting die 21, makes countercylinder 16b
Valve 2 be closed all the time；And using big cylinder threeway 14 by two be located in two cylinders big cylinder 13 and servo
Valve air gate is connected and communicated, using small cylinder threeway 22 that the two small cylinder 7 and servo valve piston in two cylinders is steady
Room is connected and communicated.
When touching on the brake, in the presence of skidding main valve air pressure, servo valve air gate valve is opened, by with after
The big cylinder threeway 14 that dynamic valve air gate is connected enters in the big cylinder 13 in two cylinders of servo valve adjuster simultaneously, together
When act on the big piston 11 of two cylinders.
Fig. 1 is the structural representation of the first state of adjustor of braking relay valve of the present invention.When the output of skidding main valve
Air pressure when being 0.1~0.2MPa, through brake relay valve gas outlet be input to the air pressure of adjustor of braking relay valve also for 0.1~
0.2MPa.Because the air pressure of input is 0.1~0.2MPa, it is impossible to which compression piston return spring 15 moves big piston, so, two gas
Cylinder keeps original state, i.e. master cylinder 16a valve 2 to be in opening (as shown in Figure 1)；Now, the air pressure of entrance is successively
The steady room of servo valve piston is conveyed to through the air flue 5 on master cylinder 16a, valve placement room 3, small cylinder 7 and small cylinder threeway 22,
Make the air pressure of brake relay valve suitable with the air pressure of skidding main valve, i.e. 1 ︰ 1.
Fig. 2 is the structural representation of second of state of adjustor of braking relay valve of the present invention.When the output of skidding main valve
Air pressure when being 0.2~0.4MPa, through brake relay valve gas outlet be input to the air pressure of adjustor of braking relay valve also for 0.2~
0.4MPa.So, master cylinder 16a big piston 11 compresses master cylinder 16a piston return spring in the presence of input air pressure
15 and move, and drive valve piston 8 and valve mandril 4 to move, master cylinder 16a valve 2 is in the presence of valve return spring 1
Close.Now, because input air pressure fails to reach the driving force of countercylinder 16b piston return springs 15, therefore countercylinder 16b is also kept
Original state.So, the air pressure of servo valve air gate input can not be input to brake relay valve by adjustor of braking relay valve
In the steady room of piston so that air pressure in the steady room of brake relay valve piston and to be stable, so that brake relay valve output
The air pressure that skidding air pressure is inputted with skidding main valve smoothly increases, without locking.Such as the brake relay valve is adjusted
Device is saved, the skidding air pressure of brake relay valve output is 0.3MPa when skidding main valve inputs 0.2MPa, when brake system
The skidding air pressure of brake relay valve output is 0.4MPa during dynamic main valve input 0.3MPa, when the input of skidding main valve
The skidding air pressure that brake relay valve is exported during 0.4MPa is 0.5MPa.
Fig. 3 is the structural representation of the third state of adjustor of braking relay valve of the present invention.When the output of skidding main valve
Air pressure be more than 0.4MPa when, be input to the air pressure of adjustor of braking relay valve also in 0.4MPa through brake relay valve gas outlet
More than.So, the big piston 11 in the master cylinder 16a and countercylinder 16b of adjustor of braking relay valve is all in the work of input air pressure
Moved with the lower respective piston return spring 15 of compression, and drive respective valve piston 8 and valve mandril 4 to move；Master cylinder
16a valve 2 is closed in the presence of valve return spring 1, and countercylinder 16b valve mandril 4 is opened.Now, brake servo
The air pressure of valve air gate input can not be input to by the adjuster in the steady room of brake relay valve piston；And brake relay valve is lived
The gas filled in steady room enters in countercylinder 16b small cylinder 7 from small cylinder threeway 22, and through exhaust passage 20 and blow vent 18
Discharge.Now, because of air pressure in the steady room of brake relay valve piston of having drained, so, the skidding gas of brake relay valve output
Pressure can quickly increase.Such as embodiment, when the air pressure that skidding main valve is exported is 0.5MPa, what brake relay valve was exported stops
Car braking pressure can be quickly increased to 0.8MPa, so as to rapidly brake.
In order to ensure the piston reset of the steady room of servo valve piston, the master cylinder 16a of the adjustor of braking relay valve in figure
Big piston 11 closely coupled successively, valve piston 8 and valve mandril 4 be provided centrally with inlet channel 9, and with valve piston
The stomata 6 being connected with inlet channel 9 is provided with the end of 8 intersecting valve mandrils 4, dress is set in the big end center of piston 11
There are inlet channel check valve 12 and inlet channel check valve return spring 10.Air pressure is less than after the steady room emptying of servo valve piston
Atmospheric pressure and when can not reset, the blow vent 18 that air pressure energy passes through on master cylinder 16a enters big cylinder 13 and opens inlet channel
Check valve 12, enters small cylinder 7 through inlet channel 9 and stomata 6, then steady into servo valve piston by small cylinder threeway 22
Room, the air pressure and atmospheric pressure for making the steady room of servo valve piston is balanced, it is ensured that the piston return of the steady room of servo valve piston.
Obviously, can according to regulation and control air pressure the need for using set screw 17 adjust master cylinder 16a and countercylinder 16b work
Fill in return spring 15.
Claims (2)
1. a kind of adjustor of braking relay valve, it is characterised in that：The adjustor of braking relay valve includes master cylinder (16a) and secondary gas
Cylinder (16b), the big cylinder (13) being connected, small cylinder (7) and valve are sequentially provided with master cylinder (16a) with countercylinder (16b)
Door placement room (3), and two ends are connected and arranged in parallel with small cylinder (7) with big cylinder (13) and valve placement room (3) respectively
Air flue (5)；And be provided with corresponding one by one and closely coupled successively to big cylinder (13), small cylinder (7) and valve placement room (3)
Big piston (11), valve piston (8) and valve mandril (4), and set the piston return spring (15) in big cylinder (13)；Its
In, dress valve return spring (1) is set in valve placement room (3) on the outside of master cylinders (16a) valve (2), in auxiliary steam cylinder
Dress valve is set in valve placement room (3) on the outside of the valve (2) of (16b) and fixes casting die (21), makes auxiliary steam cylinder (16b) valve
(2) it is closed all the time；And in big piston (11) closely coupled successively, valve piston (8) and the valve of auxiliary steam cylinder (16b)
Push rod (4) is provided centrally with exhaust passage (20)；And big cylinder threeway (14) is utilized by two of two cylinders (16) big cylinder
(13) it is connected and communicates with servo valve air gate, using small cylinder threeway (22) by two of two cylinders (16) small cylinder (7)
It is connected and communicates with the steady room of servo valve piston.
2. adjustor of braking relay valve according to claim 1, it is characterised in that：In the close successively of master cylinders (16a)
Connected big piston (11), valve piston (8) and valve mandril (4) are provided centrally with inlet channel (9), and with valve piston
(8) stomata (6) being connected with inlet channel (9) is provided with the end of intersecting valve mandril (4), and in big piston (11)
End center is provided with inlet channel check valve (12) and inlet channel check valve return spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497037.4A CN105015534B (en) | 2015-08-13 | 2015-08-13 | Adjustor of braking relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497037.4A CN105015534B (en) | 2015-08-13 | 2015-08-13 | Adjustor of braking relay valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105015534A CN105015534A (en) | 2015-11-04 |
| CN105015534B true CN105015534B (en) | 2017-09-22 |
Family
ID=54405944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510497037.4A Expired - Fee Related CN105015534B (en) | 2015-08-13 | 2015-08-13 | Adjustor of braking relay valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105015534B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235040A (en) * | 2017-06-27 | 2017-10-10 | 周旭斌 | A kind of adjustor of braking relay valve and adjusting method |
| CN107933542B (en) * | 2017-12-25 | 2024-03-12 | 武汉东顺汽车配件有限公司 | Vertical multi-loop protection valve |
| CN108725416B (en) * | 2018-05-30 | 2024-05-14 | 眉山中车制动科技股份有限公司 | Partial pressure reducing valve rod suitable for small pressure reducing brake air distribution valve of railway passenger car |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046703Y (en) * | 2007-06-06 | 2008-04-16 | 李元兴 | Adjustable rapid relay valve |
| CN201086709Y (en) * | 2007-09-07 | 2008-07-16 | 山东明水汽车配件厂 | Advancing relay valve |
| CN102229336A (en) * | 2011-04-25 | 2011-11-02 | 周旭斌 | Adjustor of braking relay valve |
| CN202130444U (en) * | 2011-06-14 | 2012-02-01 | 瑞立集团瑞安汽车零部件有限公司 | Multi-axle control emergency relay valve |
| CN204895455U (en) * | 2015-08-13 | 2015-12-23 | 周旭斌 | Brake relay valve regulator |
-
2015
- 2015-08-13 CN CN201510497037.4A patent/CN105015534B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046703Y (en) * | 2007-06-06 | 2008-04-16 | 李元兴 | Adjustable rapid relay valve |
| CN201086709Y (en) * | 2007-09-07 | 2008-07-16 | 山东明水汽车配件厂 | Advancing relay valve |
| CN102229336A (en) * | 2011-04-25 | 2011-11-02 | 周旭斌 | Adjustor of braking relay valve |
| CN202130444U (en) * | 2011-06-14 | 2012-02-01 | 瑞立集团瑞安汽车零部件有限公司 | Multi-axle control emergency relay valve |
| CN204895455U (en) * | 2015-08-13 | 2015-12-23 | 周旭斌 | Brake relay valve regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105015534A (en) | 2015-11-04 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 |