CN107672578B - Vehicle control brake - Google Patents
Vehicle control brake Download PDFInfo
- Publication number
- CN107672578B CN107672578B CN201711062191.4A CN201711062191A CN107672578B CN 107672578 B CN107672578 B CN 107672578B CN 201711062191 A CN201711062191 A CN 201711062191A CN 107672578 B CN107672578 B CN 107672578B
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- China
- Prior art keywords
- chamber
- air
- valve body
- communicated
- sliding piece
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening 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 relates to a control brake, and more particularly, to a vehicle control brake. The brake comprises a relay valve body and a two-way valve body communicated with the relay valve body, wherein the relay valve body comprises an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated through a central channel, a sealing lip is arranged on a central channel opening, the upper cavity is provided with an air inlet communicated with an air storage cylinder, a sealing sliding piece is arranged in the upper cavity, one end of the sealing sliding piece is propped against the sealing lip, the other end of the sealing sliding piece is propped against an upper shell of the relay valve body through a first spring seat and a first spring, a piston is arranged in the lower cavity to separate an upper air chamber from a lower air chamber, a protruding block is arranged in the middle of the upper end of the piston, the protruding block can lift up through the sealing lip and the sealing sliding piece, and the upper air chamber is communicated with an air outlet connected with a brake air chamber. The invention has the advantages of simple structure, convenient assembly, safety, reliability and long service life, and can ensure the softness of the automobile when the automobile is in idle load and ensure the enough braking strength of the automobile when the automobile is in heavy load.
Description
Technical Field
The present invention relates to a brake, and more particularly, to a vehicle control brake.
Background
The automobile relay valve is used for shortening the braking reaction time in the operating gas circuit and has the functions of quick inflation and quick deflation. The present relay valve mainly has two cases: a common type relay valve is characterized in that when an automobile is loaded, the common type relay valve brakes coarsely and softly in the braking process, and serious abrasion is caused to tires and brake drums, so that the problem of sensitivity of the relay valve when the automobile is braked under heavy load is solved, and the damage to brake shoes is too large. The other is a double-piston type brake valve, when the automobile is in idle load, the brake is softer in the braking process, but when the automobile is in heavy load, the relay valve often has the defect of inflexible piston.
The Chinese patent publication No. CN 201494431U, publication No. 6/2 of 2010, discloses an automobile relay valve, which consists of a relay valve body, a relay valve cover, a piston, a fixed seat and an air inlet valve sliding rod, wherein the piston is arranged in the relay valve cover, an exhaust valve is arranged below the piston, the fixed seat and the air inlet valve sliding rod are arranged in the relay valve body, the air inlet valve is arranged on the air inlet valve sliding rod, a control port is arranged on the relay valve cover, an air inlet and an output port are arranged on the relay valve body, and an exhaust port is arranged at the lower end of the fixed seat. The automobile relay valve has the defects that in the braking process, the braking is rough and not soft, and serious abrasion is caused to the tire and the brake drum, so that the service lives of the tire and the brake drum are reduced.
Disclosure of Invention
In order to solve the problems, the invention provides the vehicle control brake which is simple in structure, convenient to assemble, safe, reliable and long in service life, and can ensure the softness of the automobile when the automobile is in idle load and ensure the enough braking strength of the automobile when the automobile is in heavy load.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a vehicle control brake comprises a relay valve body and a two-way valve body communicated with the relay valve body, wherein the relay valve body comprises an upper chamber and a lower chamber, the upper chamber and the lower chamber are communicated through a central passage, a sealing lip is arranged on a central passage opening, an air inlet communicated with an air storage cylinder is arranged on the upper chamber, a sealing sliding piece is arranged in the upper chamber, one end of the sealing sliding piece is abutted against the sealing lip, the other end of the sealing sliding piece is abutted against an upper shell of the relay valve body through a first spring seat and a first spring, the sealing sliding piece can slide on the first spring seat through pressure, the lower chamber is separated into an upper chamber and a lower chamber through a piston, a second spring seat and a second spring are arranged on the piston and abutted against the sealing lip, a protruding block is arranged in the middle of the upper end of the piston, the protruding block can be abutted against the sealing lip through the sealing lip, the upper chamber is communicated with an upper air chamber of the lower chamber, and an air outlet of the upper chamber is communicated with an air chamber connected with a brake chamber.
As a further improvement, the bidirectional valve body comprises a shell and a valve core thereof, wherein two ends of an inner cavity of the shell are respectively provided with an air storage port and a control port, the middle part of the shell is provided with an air storage pipeline and a control pipeline, the air storage pipeline is communicated with the upper cavity, the control pipeline is communicated with a lower air chamber of the lower cavity, the valve core is arranged in the inner cavity of the shell, and the air storage port and the air storage pipeline or the passage of the control port and the control pipeline are controlled in a unidirectional way.
As a further improvement, a one-way valve is arranged between the air storage port and the air storage pipeline.
As a further improvement, the sealing lip is fixed at the central passage opening by arranging a clamping ring and a fixing ring.
As a further improvement, a plurality of air vents are arranged on the circumferential surface of the fixed ring.
The invention has the advantages of simple structure, convenient assembly, safety, reliability and long service life, and can ensure the softness of the automobile when the automobile is in idle load and ensure the enough braking strength of the automobile when the automobile is in heavy load.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the cross-sectional structure of the invention B-B of FIG. 1.
FIG. 3 is a schematic view of the cross-sectional structure of the invention C-C of FIG. 1.
Fig. 4 is a schematic side view of the structure of the invention C.
FIG. 5 is a schematic diagram showing the cross-sectional structure of the I-I of the present invention shown in FIG. 4.
Fig. 6 is a schematic structural view of the fixing ring of the present invention.
Description of the embodiments
The following describes the embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1-6, a vehicle control brake comprises a relay valve body 1 and a bidirectional valve body 2 communicated with the relay valve body, wherein the relay valve body 1 comprises an upper chamber 3 and a lower chamber 4, the upper chamber 3 and the lower chamber 4 are communicated through a central channel, a sealing lip 6 is fixed at a central channel port through a fixed ring 8 provided with a clamping ring 7, and a plurality of air vents 5 are arranged on the circumferential surface of the fixed ring 8; the upper chamber 3 is provided with an air inlet 9 communicated with the air storage cylinder, the upper chamber 3 is internally provided with a sealing sliding part 10, one end of the sealing sliding part 10 is propped against the sealing lip 6, the other end of the sealing sliding part is propped against the upper shell of the relay valve body 1 through a first spring seat 11 and a first spring 12, the sealing sliding part 10 can slide on the first spring seat 11 through pressure, the lower chamber 4 is divided into upper and lower air chambers 16 and 17 through a piston 15, the piston 15 is provided with a second spring seat and a second spring 19 which are propped against the sealing lip 6, the middle part of the upper end of the piston 15 is provided with a protruding block 20, the protruding block 20 can lift up through the sealing lip 6 to prop against the sealing sliding part 10, the upper chamber 3 is communicated with the upper air chamber 16 of the lower chamber 4, and the upper air chamber 3 is communicated with an air outlet 21 connected with the brake air chamber.
The bidirectional valve body 2 comprises a shell 22 and a valve core 23 thereof, wherein two ends of an inner cavity of the shell 22 are respectively provided with an air storage port 24 and a control port 25, the middle part of the shell is provided with an air storage pipeline 26 and a control pipeline 27, the air storage pipeline 26 is communicated with the upper cavity 3, the control pipeline 27 is communicated with the lower air chamber 17 of the lower cavity 4, the valve core 23 is arranged in the inner cavity of the shell 22, and the passage of the air storage port 24, the air storage pipeline 26 or the control port 25 and the control pipeline 27 is unidirectionally controlled. A one-way valve 27 is arranged between the air storage port 24 and the air storage pipeline 26.
Claims (1)
1. The utility model provides a vehicle control stopper, this stopper includes relay valve body and the two-way valve body that is linked together with it, its characterized in that: the relay valve body comprises an upper chamber and a lower chamber, the upper chamber and the lower chamber are communicated through a central passage, a sealing lip is arranged on the central passage, an air inlet communicated with the air storage cylinder is arranged on the upper chamber, a sealing sliding piece is arranged in the upper chamber, one end of the sealing sliding piece is propped against the sealing lip, the other end of the sealing sliding piece is propped against an upper shell of the relay valve body through a first spring seat and a first spring, the sealing sliding piece can slide on the first spring seat through pressure, the lower chamber is divided into an upper air chamber and a lower air chamber through a piston, a second spring seat is arranged on the piston and propped against the sealing lip through a second spring, a protruding block is arranged in the middle of the upper end of the piston, the protruding block can lift up through the sealing lip and the sealing sliding piece, the upper chamber is communicated with an upper air chamber of the lower chamber, the upper air chamber is communicated with an air outlet of the brake chamber, the bidirectional valve body comprises a shell and a valve core, two ends of an inner cavity of the shell are respectively provided with an air storage opening and a control opening, an air storage pipeline and a control pipeline are arranged in the middle of the inner cavity of the shell, the air storage pipeline is communicated with the upper chamber, the control pipeline is communicated with the lower air chamber of the lower chamber, the valve core is arranged in the inner cavity of the shell, the air storage opening is controlled to be in one-way with the air storage pipeline or the passage of the control opening and the control pipeline, a one-way valve is arranged between the air storage opening and the air storage pipeline, the sealing lip is fixed at a central passage opening through a clamping ring and a fixed ring, and a plurality of air vents are arranged on the circumferential surface of the fixed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062191.4A CN107672578B (en) | 2017-11-02 | 2017-11-02 | Vehicle control brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062191.4A CN107672578B (en) | 2017-11-02 | 2017-11-02 | Vehicle control brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107672578A CN107672578A (en) | 2018-02-09 |
| CN107672578B true CN107672578B (en) | 2024-02-13 |
Family
ID=61145458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711062191.4A Active CN107672578B (en) | 2017-11-02 | 2017-11-02 | Vehicle control brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107672578B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2885678Y (en) * | 2006-01-05 | 2007-04-04 | 蒋小苗 | Automobile relay valve |
| CN201132526Y (en) * | 2007-11-20 | 2008-10-15 | 浙江万安科技股份有限公司 | Automobile relay valve assembly |
| CN202448971U (en) * | 2011-12-19 | 2012-09-26 | 浙江诸暨东港液压机械有限公司 | Novel three-axle emergency relay valve |
| CN204110020U (en) * | 2014-08-07 | 2015-01-21 | 王松元 | Differential type relay valve |
| CN207496665U (en) * | 2017-11-02 | 2018-06-15 | 瑞安市瀚德车辆部件有限公司 | A kind of vehicle control brake |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2467957A (en) * | 2009-02-21 | 2010-08-25 | Haldex Brake Products Ltd | Brake modulator valve with acceptable cracking pressure |
-
2017
- 2017-11-02 CN CN201711062191.4A patent/CN107672578B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2885678Y (en) * | 2006-01-05 | 2007-04-04 | 蒋小苗 | Automobile relay valve |
| CN201132526Y (en) * | 2007-11-20 | 2008-10-15 | 浙江万安科技股份有限公司 | Automobile relay valve assembly |
| CN202448971U (en) * | 2011-12-19 | 2012-09-26 | 浙江诸暨东港液压机械有限公司 | Novel three-axle emergency relay valve |
| CN204110020U (en) * | 2014-08-07 | 2015-01-21 | 王松元 | Differential type relay valve |
| CN207496665U (en) * | 2017-11-02 | 2018-06-15 | 瑞安市瀚德车辆部件有限公司 | A kind of vehicle control brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107672578A (en) | 2018-02-09 |
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