CN201992123U - Matching valve for brake system of heavy truck - Google Patents

Matching valve for brake system of heavy truck Download PDF

Info

Publication number
CN201992123U
CN201992123U CN201020674333XU CN201020674333U CN201992123U CN 201992123 U CN201992123 U CN 201992123U CN 201020674333X U CN201020674333X U CN 201020674333XU CN 201020674333 U CN201020674333 U CN 201020674333U CN 201992123 U CN201992123 U CN 201992123U
Authority
CN
China
Prior art keywords
shell
valve
assembly
heavy truck
coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201020674333XU
Other languages
Chinese (zh)
Inventor
乔跃平
叶新年
王�华
王安芝
刘永磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENGLI BRAKE CO Ltd WUHU
Original Assignee
SHENGLI BRAKE CO Ltd WUHU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENGLI BRAKE CO Ltd WUHU filed Critical SHENGLI BRAKE CO Ltd WUHU
Priority to CN201020674333XU priority Critical patent/CN201992123U/en
Application granted granted Critical
Publication of CN201992123U publication Critical patent/CN201992123U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a matching valve for the brake system of a heavy truck, comprising an upper shell assembly (1) and a lower shell (7), wherein thee upper shell assembly (1) is provided with an air inlet (14), and the lower shell (7) is provided with an air outlet; the matching valve is further provided with an exhaust cover assembly (9), and the exhaust cover assembly (9) is provided with an exhaust port (17); a piston assembly (5) and an exhaust valve core (18) are installed in the matching valve, and a returning spring (3) is installed between the upper shell assembly (1) and the piston assembly (5); the exhaust valve core (18) is in cooperation with the valve port on the lower shell (7) communicated with the exhaust port (17). By use of the technical scheme, the brake force of vehicle front axle is reduced in incomplete brake, the brake performance of whole vehicle is improved when braking to reduce the speed to a low point by adjusting the ratio of input pressure to output pressure, thus the brake performance of the whole vehicle is improved; synchronously, the matching valve plays a role of the quick release valve of the brake air chamber.

Description

A kind of heavy truck braking system coupling valve
Technical field
The utility model belongs to the technical field of heavy truck pneumatic control system, relates to the technology of this control system delivery air device, and more particularly, the utility model relates to a kind of heavy truck braking system coupling valve.
Background technique
In the prior art, the braking ability of heavy truck braking system coupling valve is not high enough, and its structure is reasonable inadequately and compact.
The model utility content
Problem to be solved in the utility model provides a kind of heavy truck braking system coupling valve, its objective is the braking ability that improves car load.
To achieve these goals, the technological scheme taked of the utility model is:
Heavy truck braking system coupling valve provided by the utility model, comprise upper shell assembly and lower shell body, on the upper shell assembly, establish suction port, on lower shell body, set out gas port, described coupling valve is established the exhaust cap assembly, establishes relief opening on described exhaust cap assembly; In described coupling valve, establish piston assembly and exhaust plug, between described upper shell assembly and piston assembly, establish return spring; The valve port that leads to relief opening on described exhaust plug and the lower shell body forms and cooperates.
Establish adjustment sheet between described return spring and the described upper shell assembly; Establish the adjustment packing ring between described return spring and the described piston assembly.
Described exhaust cap assembly is fastenedly connected at described lower shell body by screw and packing ring.
Seal by O-ring seals between described upper shell assembly and the lower shell body.
Seal by O-ring seals between described exhaust cap assembly and the lower shell body.
Be fastenedly connected by screw between described upper shell assembly and the lower shell body.
Described lower shell body is fixing on mounting plate by double-screw bolt.
The utility model adopts technique scheme, is used for the non-braking force that reduces automobile front axle when braking fully, by regulating the ratio of input and output pressure, improves the braking ability of car load when braking deceleration is low to speed, improves the braking ability of car load; The coupling valve also plays the brake chamber quick release valve simultaneously.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is a structure cross-sectional schematic of the present utility model;
Fig. 2 looks schematic representation for the left side of structure shown in Figure 1.
Be labeled as among the figure:
1, upper shell assembly, 2, adjustment sheet, 3, return spring, 4, adjust packing ring, 5, piston assembly, 6, O-ring seals, 7, lower shell body, 8, O-ring seals, 9, the exhaust cap assembly, 10, screw, 11, packing ring, 12, screw, 13, double-screw bolt, 14, suction port, 15, the air outlet, 16, air outlet, 17, relief opening, 18, exhaust plug.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and working principle, the manufacturing process of the mutual alignment between the shape of embodiment of the present utility model 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 utility model, technological scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, Fig. 2 for a kind of heavy truck braking system coupling valve, comprises upper shell assembly 1 and lower shell body 7, establishes suction port 14 on upper shell assembly 1, sets out gas port 15, air outlet 16 on lower shell body 7.
SLB coupling valve interconnects by inlet, outlet screw thread and braking line, in addition can be fixing on mounting plate by the M8 double-screw bolt of double-screw bolt 13.
In order to solve the problem that exists at the described present known technology of this specification background technique part and to overcome its defective, realize the goal of the invention of the braking ability of raising car load, the technological scheme that the utility model is taked is:
Heavy truck braking system coupling valve provided by the utility model, described coupling valve is established exhaust cap assembly 9, establishes relief opening 17 on described exhaust cap assembly 9; In described coupling valve, establish piston assembly 5 and exhaust plug 18, between described upper shell assembly 1 and piston assembly 5, establish return spring 3; The valve port that leads to relief opening 17 on described exhaust plug 18 and the lower shell body 7 forms and cooperates.
Adopt technique scheme, be used for the non-braking force that reduces automobile front axle when braking fully,, when braking deceleration is low to speed, improve the braking ability of car load, improve the braking ability of car load by regulating the ratio of input and output pressure; The coupling valve also plays the brake chamber quick release valve simultaneously.
Concrete annexation is:
Establish adjustment sheet 2 between return spring 3 described in the utility model and the described upper shell assembly 1; Establish between described return spring 3 and the described piston assembly 5 and adjust packing ring 4.
Above-described exhaust cap assembly 9 is fastenedly connected at described lower shell body 7 by screw 10 and packing ring 11.
Seal by O-ring seals 6 between described upper shell assembly 1 and the lower shell body 7.
Seal by O-ring seals 8 between described exhaust cap assembly 9 and the lower shell body 7.
Be fastenedly connected by screw 12 between described upper shell assembly 1 and the lower shell body 7.
Described lower shell body 7 is fixing on mounting plate by double-screw bolt 13.
Purposes of the present utility model is:
The coupling valve is used for the non-braking force that reduces automobile front axle when braking fully, promptly by regulating the ratio of input and output pressure, improves the braking ability of car load when braking deceleration is low.
The coupling valve also plays the brake chamber quick release valve simultaneously.
Working principle of the present utility model:
During braking, to suction port 14 input air pressures, piston assembly 5 moves down, and exhaust plug 18 is sealed relief opening 17, goes up valve open simultaneously, and the gap that air communication is crossed around the valve enters air outlet 15 and air outlet 16;
During brake off, the Pneumatic pipe cleaner of suction port 14 ends is crossed brake valve and is emitted, and the air pressure of air outlet 15 and air outlet 16 will push away in the piston assembly 5, opens relief opening 17, and Pneumatic pipe cleaner is crossed relief opening 17 and entered in the atmosphere.
When suction port 14 pressure were lower than 0.41MPa, the pressure of air outlet 15 and air outlet 16 was lower than suction port 14 pressure;
When suction port 14 pressure were higher than 0.41MPa, the pressure of air outlet 15 and air outlet 16 equated with suction port 14 pressure, promptly by regulating the ratio of input and output pressure, improves the braking ability of car load.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; or design of the present utility model and technological scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.

Claims (7)

1. a heavy truck braking system is mated valve, comprise upper shell assembly (1) and lower shell body (7), on upper shell assembly (1), establish suction port (14), on lower shell body (7), set out gas port (15,16), it is characterized in that: described coupling valve is established exhaust cap assembly (9), establishes relief opening (17) on described exhaust cap assembly (9); In described coupling valve, establish piston assembly (5) and exhaust plug (18), between described upper shell assembly (1) and piston assembly (5), establish return spring (3); The valve port that leads to relief opening (17) on described exhaust plug (18) and the lower shell body (7) forms and cooperates.
2. according to the described heavy truck braking system coupling of claim 1 valve, it is characterized in that: establish adjustment sheet (2) between described return spring (3) and the described upper shell assembly (1); Establish between described return spring (3) and the described piston assembly (5) and adjust packing ring (4).
3. according to the described heavy truck braking system coupling of claim 1 valve, it is characterized in that: described exhaust cap assembly (9) is fastenedly connected in described lower shell body (7) by screw (10) and packing ring (11).
4. according to the described heavy truck braking system coupling of claim 1 valve, it is characterized in that: seal by O-ring seals (6) between described upper shell assembly (1) and the lower shell body (7).
5. according to the described heavy truck braking system coupling of claim 1 valve, it is characterized in that: seal by O-ring seals (8) between described exhaust cap assembly (9) and the lower shell body (7).
6. according to the described heavy truck braking system coupling of claim 1 valve, it is characterized in that: be fastenedly connected by screw (12) between described upper shell assembly (1) and the lower shell body (7).
7. according to the described heavy truck braking system coupling of claim 1 valve, it is characterized in that: described lower shell body (7) is fixing on mounting plate by double-screw bolt (13).
CN201020674333XU 2010-12-22 2010-12-22 Matching valve for brake system of heavy truck Expired - Fee Related CN201992123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020674333XU CN201992123U (en) 2010-12-22 2010-12-22 Matching valve for brake system of heavy truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020674333XU CN201992123U (en) 2010-12-22 2010-12-22 Matching valve for brake system of heavy truck

Publications (1)

Publication Number Publication Date
CN201992123U true CN201992123U (en) 2011-09-28

Family

ID=44668613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201020674333XU Expired - Fee Related CN201992123U (en) 2010-12-22 2010-12-22 Matching valve for brake system of heavy truck

Country Status (1)

Country Link
CN (1) CN201992123U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102062234A (en) * 2010-12-22 2011-05-18 芜湖盛力制动有限责任公司 Matching valve of heavy truck braking system
CN102627102A (en) * 2012-04-27 2012-08-08 河北神安汽车部件有限公司 Motor vehicle trailer emergency brake valve capable of automatic ratio transformation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102062234A (en) * 2010-12-22 2011-05-18 芜湖盛力制动有限责任公司 Matching valve of heavy truck braking system
CN102062234B (en) * 2010-12-22 2012-09-05 芜湖盛力制动有限责任公司 Matching valve of heavy truck braking system
CN102627102A (en) * 2012-04-27 2012-08-08 河北神安汽车部件有限公司 Motor vehicle trailer emergency brake valve capable of automatic ratio transformation
CN102627102B (en) * 2012-04-27 2015-02-25 河北神安汽车部件科技有限公司 Motor vehicle trailer emergency brake valve capable of automatic ratio transformation

Similar Documents

Publication Publication Date Title
CN201992123U (en) Matching valve for brake system of heavy truck
CN102062234B (en) Matching valve of heavy truck braking system
CN100439172C (en) Double pipe electrically-controlled trailer brake valve
CN201816583U (en) Integrated valve with double relay valves
CN204674568U (en) A kind of Pneumatic brake valve
CN203766745U (en) Pilot-operated type electromagnetic air pressure adjusting valve
CN203920727U (en) A kind of tractor truck steeraxle relay valve
CN203246458U (en) Easily-adjusted double-pass check valve
CN101249826B (en) Relay valve
CN2645987Y (en) Automobile air brake valve
CN201992150U (en) Pressure limiting valve of automobile or engineering machine air pressure adjusting system
CN201687991U (en) High-frequency proportional solenoid valve
CN204726416U (en) The full Terrain Cranes braking control system of a kind of six axle
CN201989784U (en) Differential relay valve of heavy-duty truck brake system
CN205168480U (en) Commercial vehicle hill start auxiliary system air -operated controller solenoid valve
CN204852084U (en) Separation and reunion booster assembly
CN203766753U (en) Pilot-operated type electromagnetic air pressure adjusting valve with one-way throttling device
CN210554757U (en) Brake relay valve with secondary pressurization controller
CN202923634U (en) Brake vacuum booster of electric automobile
CN203246461U (en) Novel trailer control valve
CN204821539U (en) Car enhancement mode brake emergency brake valve
CN101348113B (en) Air brake ABS electric control load sensor anti-lock braking executive system
CN105235673A (en) Pneumatic control electromagnetic valve of commercial vehicle hill starting auxiliary system
CN201961306U (en) Electromagnetic valve for brake system of truck or passenger vehicle
CN201670229U (en) Relay two-way quick release combination valve

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110928

Termination date: 20121222

C17 Cessation of patent right