CN102060010A - Relay valve of heavy truck brake system - Google Patents
Relay valve of heavy truck brake system Download PDFInfo
- Publication number
- CN102060010A CN102060010A CN2010106010742A CN201010601074A CN102060010A CN 102060010 A CN102060010 A CN 102060010A CN 2010106010742 A CN2010106010742 A CN 2010106010742A CN 201010601074 A CN201010601074 A CN 201010601074A CN 102060010 A CN102060010 A CN 102060010A
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- valve
- lower house
- brake system
- relay
- heavy duty
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a relay valve of a heavy truck brake system. A control air opening is arranged on an upper shell; an exhaust valve assembly is arranged below a lower shell and fixedly connected with the lower shell; an exhaust opening is arranged on the exhaust valve assembly; a relay piston is arranged in the upper shell; a valve skeleton assembly is arranged in the lower shell; the relay piston is in contact with the valve skeleton assembly; and a valve element on the valve skeleton assembly is matched with a valve opening communicated to the exhaust opening. By adopting the technical scheme, the relay valve is arranged in the whole brake system, which is beneficial to shortening the air charging and discharging time of a high-volume brake chamber positioned at the tail end of a longer pipeline and improving the brake performance of the whole truck; and in the invention, most of parts adopt plastic elements and rubber elements, thereby greatly improving the capacity and the performance of products, reducing the purchasing cost and laying the foundation for mass equipment of various types of vehicles.
Description
Technical field
The invention belongs to the technical field of heavy duty truck brake system, relate to the technology of its pneumatic control system delivery air device, more particularly, the present invention relates to a kind of relay valve of heavy duty truck brake system.
Background technology
At present, there is defective in the deceleration and stopping performance of the relay valve of the heavy duty truck brake system of prior art, and its structure lacks compactedness and reasonableness.
Summary of the invention
Problem to be solved by this invention provides a kind of relay valve of heavy duty truck brake system, its objective is the deceleration and stopping performance that improves car load.
To achieve these goals, the technical scheme taked of the present invention is:
The relay valve of heavy duty truck brake system provided by the present invention comprises upper shell, lower house, establishes admission port, air extractor duct on described lower house, it is characterized in that: establish the control gas port on the described upper shell; Below described lower house, establish exhaust valve complement and captive joint, on described exhaust valve complement, establish exhausr port with described lower house; Establish relay piston in the described upper shell; Establish the valve frame assembly in described lower house, described relay piston contacts with described valve frame assembly; Spool on the described valve frame assembly cooperates with the valve port that leads to described exhausr port.
Described exhaust valve complement is fastened on the described lower house by Cross Recess Head Screw and packing ring.
Described relay valve is fastenedly connected by hexagonal bar iron and packing ring and adapter plate.
Establish pull back spring between described valve frame assembly and lower house, described pull back spring is connected with described lower house by spring perch.
Adopt the O-ring seals sealing between the mandrel of described relay piston and upper shell.
Adopt the O-ring seals sealing between the inwall of described relay piston and upper shell.
Adopt the O-ring seals sealing between described upper shell and the lower house.
Establish lining between described valve frame assembly and the lower house, described lining is positioned with back-up ring by the hole; Adopt the O-ring seals sealing between described lining and the described lower house.
Establish the O-ring seals sealing between spool on the described valve frame assembly and the described lower house.
Adopt the O-ring seals sealing between described lower house and the exhaust valve complement.
The present invention adopts technique scheme, in whole brake system relay valve is set, and helps shortening being positioned at than the filling of the big volume brake repair room of long pipe runs end, deflation time, has improved the deceleration and stopping performance of car load; Big multiple component adopts Plastic Parts, Rubber Parts among the present invention, has improved the production capacity and the performance of product greatly, has reduced purchase cost; For various vehicle equipment in enormous quantities lays the foundation.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification sheets and the mark among the figure are made brief description:
The scheme drawing that Fig. 1 analyses and observe for structure of the present invention;
Fig. 2 looks scheme drawing for the left side of structure shown in Figure 1.
Be labeled as among the figure:
1, upper shell, 2, O-ring seals, 3, relay piston, 4, O-ring seals, 5, O-ring seals, 6, lower house, 7, the hole back-up ring, 8, O-ring seals, 9, lining, 10, the valve frame assembly, 11, pull back spring, 12, spring perch, 13, O-ring seals, 14, O-ring seals, 15, exhaust valve complement, 16, Cross Recess Head Screw, 17, packing ring, 18, hexagonal bar iron, 19, packing ring, 20, admission port, 21, air extractor duct, 22, air extractor duct, 23, exhausr port, 24, the control gas port.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed as Fig. 1, Fig. 2, the present invention is a kind of relay valve of heavy duty truck brake system, comprises upper shell 1, lower house 6, establishes admission port 20, air extractor duct 21, air extractor duct 22 on described lower house 6.
The SL relay valve interconnects by inlet, outlet screw thread and brake piping, and it is fixing on adapter plate to choose two hexagonal bar irons 18 in addition wantonly.
In order to solve the problem that exists at the described present known technology of this specification sheets background technology part and to overcome its defective, realize the goal of the invention of the deceleration and stopping performance of raising car load, the technical scheme that the present invention takes is:
The relay valve of heavy duty truck brake system provided by the present invention is established control gas port 24 on the described upper shell 1; Below described lower house 6, establish exhaust valve complement 15 and captive joint, on described exhaust valve complement 15, establish exhausr port 23 with described lower house 6; Establish relay piston 3 in the described upper shell 1; Establish valve frame assembly 10 in described lower house 6, described relay piston 3 contacts with described valve frame assembly 10; Spool on the described valve frame assembly 10 cooperates with the valve port that leads to described exhausr port 23.
Adopt technique scheme, in whole brake system, relay valve is set, help shortening and be positioned at, improved the deceleration and stopping performance of car load than the filling of the big volume brake repair room of long pipe runs end, deflation time; Big multiple component adopts Plastic Parts, Rubber Parts among the present invention, has improved the production capacity and the performance of product greatly, has reduced purchase cost; For various vehicle equipment in enormous quantities lays the foundation.
Relay valve of the present invention is fastenedly connected with adapter plate by hexagonal bar iron 18 and packing ring 19.
Establish pull back spring 11 between described valve frame assembly 10 and lower house 6, described pull back spring 11 is connected with described lower house 6 by spring perch 12.
Adopt O-ring seals 2 sealings between the mandrel of relay piston 3 of the present invention and upper shell 1.
Adopt O-ring seals 4 sealings between the inwall of relay piston 3 of the present invention and upper shell 1.
Adopt O-ring seals 5 sealings between upper shell 1 of the present invention and the lower house 6.
Establish lining 9 between valve frame assembly 10 of the present invention and the lower house 6, described lining 9 is positioned with back-up ring 7 by the hole; Adopt O-ring seals 8 sealings between described lining 9 and the described lower house 6.
Establish O-ring seals 13 sealings between spool on the valve frame assembly 10 of the present invention and the described lower house 6.
Adopt O-ring seals 14 sealings between lower house 6 of the present invention and the exhaust valve complement 15.
Purposes of the present invention is:
Be used for shortening and be positioned at, can also play acceleration simultaneously, put effect soon than the filling of the big volume brake repair room of long pipe runs end, deflation time.
Principle of work of the present invention is:
Glancing impact is under the pressure effect of control gas port, the promotion piston moves down, with valve open, the gas that comes out from air receiver flows to the compressed air brake cylinder that air extractor duct connects, thereby produce braking, remove control gas port air pressure after, piston moves under gas pressure, open exhausr port, the air pressure in the compressed air brake cylinder will be by the exhausr port exhaust to atmosphere.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1. the relay valve of a heavy duty truck brake system comprises upper shell (1), lower house (6), establishes admission port (20), air extractor duct (21,22) on described lower house (6), it is characterized in that: establish control gas port (24) on the described upper shell (1); Establish exhaust valve complement (15) in the below of described lower house (6) and captive joint, on described exhaust valve complement (15), establish exhausr port (23) with described lower house (6); Establish relay piston (3) in the described upper shell (1); Establish valve frame assembly (10) in described lower house (6), described relay piston (3) contacts with described valve frame assembly (10); Spool on the described valve frame assembly (10) cooperates with the valve port that leads to described exhausr port (23).
2. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: described exhaust valve complement (15) is fastened on the described lower house (6) by Cross Recess Head Screw (16) and packing ring (17).
3. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: described relay valve is fastenedly connected with adapter plate by hexagonal bar iron (18) and packing ring (19).
4. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: establish pull back spring (11) between described valve frame assembly (10) and lower house (6), described pull back spring (11) is connected with described lower house (6) by spring perch (12).
5. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: adopt O-ring seals (2) sealing between the mandrel of described relay piston (3) and upper shell (1).
6. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: adopt O-ring seals (4) sealing between the inwall of described relay piston (3) and upper shell (1).
7. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: adopt O-ring seals (5) sealing between described upper shell (1) and the lower house (6).
8. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: establish lining (9) between described valve frame assembly (10) and the lower house (6), described lining (9) is positioned with back-up ring (7) by the hole; Adopt O-ring seals (8) sealing between described lining (9) and the described lower house (6).
9. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: establish O-ring seals (13) sealing between spool on the described valve frame assembly (10) and the described lower house (6).
10. according to the relay valve of the described heavy duty truck brake system of claim 1, it is characterized in that: adopt O-ring seals (14) sealing between described lower house (6) and the exhaust valve complement (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106010742A CN102060010A (en) | 2010-12-22 | 2010-12-22 | Relay valve of heavy truck brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106010742A CN102060010A (en) | 2010-12-22 | 2010-12-22 | Relay valve of heavy truck brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102060010A true CN102060010A (en) | 2011-05-18 |
Family
ID=43995571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106010742A Pending CN102060010A (en) | 2010-12-22 | 2010-12-22 | Relay valve of heavy truck brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102060010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738331A (en) * | 2013-12-27 | 2014-04-23 | 芜湖盛力科技股份有限公司 | Relay valve of braking system of heavy truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0343849A2 (en) * | 1988-05-25 | 1989-11-29 | LUCAS INDUSTRIES public limited company | Fluid control device and braking system |
| CN2228033Y (en) * | 1994-09-10 | 1996-05-29 | 陈仲明 | Combination emergency relay valve |
| CN2587729Y (en) * | 2001-10-23 | 2003-11-26 | 陈仲安 | Relay valve for vehicle |
| CN2813388Y (en) * | 2005-05-19 | 2006-09-06 | 万安集团有限公司 | Vehicle 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 |
| CN201961307U (en) * | 2010-12-22 | 2011-09-07 | 芜湖盛力制动有限责任公司 | Relay valve of heavy truck brake system |
-
2010
- 2010-12-22 CN CN2010106010742A patent/CN102060010A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0343849A2 (en) * | 1988-05-25 | 1989-11-29 | LUCAS INDUSTRIES public limited company | Fluid control device and braking system |
| CN2228033Y (en) * | 1994-09-10 | 1996-05-29 | 陈仲明 | Combination emergency relay valve |
| CN2587729Y (en) * | 2001-10-23 | 2003-11-26 | 陈仲安 | Relay valve for vehicle |
| CN2813388Y (en) * | 2005-05-19 | 2006-09-06 | 万安集团有限公司 | Vehicle 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 |
| CN201961307U (en) * | 2010-12-22 | 2011-09-07 | 芜湖盛力制动有限责任公司 | Relay valve of heavy truck brake system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738331A (en) * | 2013-12-27 | 2014-04-23 | 芜湖盛力科技股份有限公司 | Relay valve of braking system of heavy truck |
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Application publication date: 20110518 |