CN204821541U - Parallel two -chamber braking main valve - Google Patents
Parallel two -chamber braking main valve Download PDFInfo
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- CN204821541U CN204821541U CN201520566232.3U CN201520566232U CN204821541U CN 204821541 U CN204821541 U CN 204821541U CN 201520566232 U CN201520566232 U CN 201520566232U CN 204821541 U CN204821541 U CN 204821541U
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Abstract
The utility model relates to a parallel two -chamber braking main valve, including ejector pin, balanced seat, first spring, a O type circle, second spring, sealing washer, valve member, valve seat, third spring, valve body, return spring, the 2nd O type circle, second gasket, piston, spring holder and ejector rod base, the ejector rod base riveting is to ejector pin the inside, balanced seat is placed on the spring holder, first spring setting is in the inside of piston to through the spring holder by spacing, a O type snare is established on the piston and body seals to it is isolated through second spring and valve member, second gasket and sealing washer pass through the second spring and fix the inside at the valve body, the 2nd O type snare is established on the valve seat, and spacing inside the valve body through the third spring, the valve member passes through return spring and valve seat contact. Its simple structure is reasonable, and the cost is lower, uses and maintains the convenience, applicable motorcycle type wide range.
Description
Technical field
The utility model belongs to main brake valve technical field, relates to a kind of parallel-type double-cavity main brake valve.
Background technology
At present, handle the drg of automobile and trailer thereof when main brake valve is for driving a vehicle, the size of its brake efficiency can change with the size of brake pedal power, can realize servo antrol sensitive in car brakeing process and dispose procedure.In prior art, vehicle more there is inner structure complexity in parallel-type double-cavity main brake valve, parts are many, external interface is fewer, for the problem such as need the vehicle of many brake pipings inapplicable.
The patent No. is " CN201010568981.1 ", notification number is " CN102039889B ", name is called the Chinese invention patent of " a kind of parallel-type double-cavity automobile braking main valve ", disclose a kind of parallel-type double-cavity automobile braking main valve, comprise main valve body, upper valve body, top pressure assembly, top pressure assembly is located in upper valve body, two parallel running chambeies, left and right are provided with in main valve body, epitrochoidal chamber inside is provided with valve assembly and air intake valve assembly, the valve assembly of left epitrochoidal chamber is provided with valve spring, between top pressure assembly and valve assembly, be provided with balance plate; Main valve body is zinc alloy main valve body.Although it can adopt two in parallel loops independently to work, there is inner structure complexity in it, parts are many, external interface is fewer equally, for the problem such as need the vehicle of many brake pipings inapplicable.
The patent No. is " CN201020184894.1 ", notification number is " CN201646699U ", name is called the Chinese utility model patent of " a kind of parallel pedal type pneumatic control main valve ", disclose a kind of parallel pedal type pneumatic control main valve, by upper cover plate, main casing, lower cover, seal ring, pedal and pedal support composition, front-wheel control cock and trailing wheel control cock is set up in parallel in main casing, front-wheel control cock, in trailing wheel control cock, post rod type spool is set respectively, post rod type spool installs retracing spring, the post rod type spool of described front-wheel control cock and trailing wheel control cock stretches out in same side and is connected by connecting plate, mounting groove pulley on pedal, groove pulley is pressed on connecting plate.Described post rod type spool is provided with the air extractor vent of 3 adjustable pressures.Although it can realize the braking of gas main brake valve, there is inner structure complexity in it, parts are many, external interface is fewer equally, for the problem such as need the vehicle of many brake pipings inapplicable.
On the whole, more there is inner structure complexity in the parallel-type double-cavity main brake valve of more existing vehicles, parts are many, external interface is fewer, for the problem such as need the vehicle of many brake pipings inapplicable.For this reason, need a kind of parallel-type double-cavity main brake valve, solve the problems referred to above existing in prior art, make it simple and reasonable, cost is lower, and working service is convenient, is suitable for vehicle scope wide.
Utility model content
The purpose of this utility model is to provide a kind of parallel-type double-cavity main brake valve, solves that inner structure existing in prior art is complicated, parts are many, external interface is fewer, for the problem such as need the vehicle of many brake pipings inapplicable; Make it simple and reasonable, cost is lower, and working service is convenient, is suitable for vehicle scope wide.
For achieving the above object, the utility model provides a kind of parallel-type double-cavity main brake valve, comprises push rod, balance base, the first spring, an O type circle, the second spring, seal ring, valve member, valve seat, the 3rd spring, valve body, pull back spring, the 2nd O type circle, the second pad, piston, spring perch and tip-lever support; Inside tip-lever support riveting to push rod; Balance base is placed on above spring perch; First spring is arranged on the inside of piston, and limited by spring perch; One O type snare to be located on piston and and valve seal, and by the second spring and valve member isolated; Second pad and seal ring are fixed on the inside of valve body by the second spring; 2nd O type snare is located on valve seat, and by the 3rd spring retainer at valve inner; Valve member is contacted with valve seat by pull back spring.
In above scheme preferably, parallel-type double-cavity main brake valve also comprises dust boot and upper cover, and dust boot is fixed on above upper cover by clip.
In above either a program preferably, the assembly formed inside tip-lever support riveting to push rod is placed in upper cover.
In above either a program preferably, the assembly formed inside tip-lever support riveting to push rod is arranged on above balance base.
In above either a program preferably, the 3rd spring (12) is connected with plug (15) is spacing, and the 3rd spring (12) is spacing by plug (15).
In above either a program preferably, plug be above provided with guide holder.
In above either a program preferably, plug is arranged with the first pad.
In above either a program preferably, guiding split washer is installed above valve member.
In above either a program preferably, parallel-type double-cavity main brake valve is provided with the first admission port and the second admission port.
In above either a program preferably, parallel-type double-cavity main brake valve is provided with the first delivery port and the second delivery port.
In above either a program preferably, parallel-type double-cavity main brake valve is provided with exhausr port.
In above either a program preferably, exhaust ports is provided with exhaust seat.
In above either a program preferably, exhaust seat place is provided with diaphragm.
In above either a program preferably, piston is provided with groove.
In above either a program preferably, valve member comprises valve and lower valve.
Compared with prior art, the utility model has the following advantages:
The utility model provides a kind of parallel-type double-cavity main brake valve, solves that inner structure existing in prior art is complicated, parts are many, external interface is fewer, for the problem such as need the vehicle of many brake pipings inapplicable; It is simple and reasonable, and cost is lower, and working service is convenient, is suitable for vehicle scope wide.
Accompanying drawing explanation
Fig. 1 is the front elevation of an embodiment according to parallel-type double-cavity main brake valve of the present utility model;
Fig. 2 is the lateral plan of the embodiment according to the parallel-type double-cavity main brake valve of the present utility model shown in Fig. 1;
Fig. 3 is the back view of the embodiment according to the parallel-type double-cavity main brake valve of the present utility model shown in Fig. 1;
Fig. 4 is the structural representation of the embodiment according to the parallel-type double-cavity main brake valve of the present utility model shown in Fig. 1;
Fig. 5 is the structural representation of the valve member of the embodiment according to the parallel-type double-cavity main brake valve of the present utility model shown in Fig. 1;
Fig. 6 is the structural representation of the exhausr port of the embodiment according to the parallel-type double-cavity main brake valve of the present utility model shown in Fig. 1.
In figure, 111 is the first admission port, 112 is the second admission port, 211 is the first delivery port, 212 is the second delivery port, 311 is exhausr port, 1 is dust boot, 2 is push rod, 3 is clip, 4 is balance base, 5 is upper cover, 6 is the first spring, 7 is an O type circle, 8 is the second spring, 9 is seal ring, 10 is valve member, 11 is valve seat, 12 is the 3rd spring, 13 is guide holder, 14 is the first pad, 15 is plug, 16 is valve body, 17 is pull back spring, 18 is split washer, the 19 people O type circles being, 20 is the second pad, 21 is piston, 22 is spring perch, 23 is tip-lever support, 24 is exhaust seat, 25 is diaphragm, 26 is groove, 27 is upper valve, 28 is lower valve, 29 is inlet chamber, 30 is output cavity, 31 is return chamber, 32 is discharge chamber.
Detailed description of the invention
In order to understand the utility model better, below in conjunction with specific embodiment, the utility model is explained in detail.But, obviously can carry out different modification and remodeling to the utility model and not exceed the wider spirit and scope of the utility model of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
A kind of parallel-type double-cavity main brake valve, comprises push rod 2, balance base 4, first spring 6, O type circle 7, second spring 8, seal ring 9, valve member 10, valve seat 11, the 3rd spring 12, valve body 16, pull back spring 17, the 2nd O type circle 19, second pad 20, piston 21, spring perch 22 and tip-lever support 23; Inside tip-lever support 23 riveting to push rod 2; Balance base 4 is placed on above spring perch 22; First spring 6 is arranged on the inside of piston 21, and limited by spring perch 22; One O type circle 7 to be set on piston 21 and to seal with valve body 16, and isolated with valve member 10 by the second spring 8; Second pad 20 and seal ring 9 are fixed on the inside of valve body 16 by the second spring 8; 2nd O type circle 19 is set on valve seat 11, and spacing inner at valve body 16 by the 3rd spring 12; Valve member 10 is contacted with valve seat 11 by pull back spring 17.
Embodiment 2:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 1, difference is, parallel-type double-cavity main brake valve also comprises dust boot 1 and upper cover 5, and dust boot 1 is fixed on above upper cover 5 by clip 3.
Embodiment 3:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 2, difference is, the assembly formed inside tip-lever support 23 riveting to push rod 2 is placed in upper cover 5.
Embodiment 4:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 3, difference is, the assembly formed inside tip-lever support 23 riveting to push rod 2 is arranged on above balance base 4.
Embodiment 5:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 4, difference is, the 3rd spring (12) is connected with plug (15) is spacing, and the 3rd spring (12) is spacing by plug (15).
Embodiment 6:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 5, difference is, is provided with guide holder 13 above plug 15.
Embodiment 7:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 6, difference is, plug 15 is arranged with the first pad 14.
Embodiment 8:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 7, difference is, valve member 10 is provided with guiding split washer 18 above.
Embodiment 9:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 8, difference is, parallel-type double-cavity main brake valve is provided with the first admission port 111 and the second admission port 112.
Embodiment 10:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 9, difference is, parallel-type double-cavity main brake valve is provided with the first delivery port 211 and the second delivery port 212.
Embodiment 11:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 10, difference is, parallel-type double-cavity main brake valve is provided with exhausr port 311.
Embodiment 12:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 11, difference is, exhausr port 311 place is provided with exhaust seat 24.
Embodiment 13:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 12, difference is, exhaust seat 24 place is provided with diaphragm 25.
Embodiment 14:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 13, difference is, piston 21 is provided with groove 26.
Embodiment 15:
A kind of parallel-type double-cavity main brake valve, similar to embodiment 14, difference is, valve member 10 comprises valve 27 and lower valve 28.
Parallel-type double-cavity main brake valve of the present utility model, as shown in Figures 1 to 6, dust boot 1 is fixed on above upper cover 5 under the effect of clip 3; Inside tip-lever support 23 riveting to push rod 2, this assembly is placed in upper cover 5, acts on above balance base 4; Balance base 4 is placed on above spring perch 22; First spring 6 is in the inside of piston 21, and spacing by spring perch 22; Piston 21 cover has an O type circle 7 to seal with valve body 16, and away from valve member 10 under the effect of the second spring 8; It is inner that second pad 20 and seal ring 9 are fixed on valve body 16 under the effect of the second spring 8; Valve seat 11 cover has the 2nd O type circle 19, and inner at valve body 16 in the effect lower limit of the 3rd spring 12; Valve member 10, under the effect of pull back spring 17, contacts with valve seat 11.Its principle of work: in non-braking mode, push rod 2 is placed on above balance base 4, and balance base 4 acts on spring perch 22, to reach the effect of opening the first loop and second servo loop simultaneously; Actuating force is not had to act on above push rod 2 and tip-lever support 23, so piston 21 is not subject to the effect of other external force; Now piston 21 is in the position of a balance under the application force of the second spring 8; Valve member 10 is under the combined action of the air pressure of pull back spring 17 and the first admission port 111, second admission port 112, and lower valve 28 and the valve seat 11 of valve member 10 seal, and make the gas of inlet chamber 29 can not arrive output cavity 30; Now output cavity 30 communicates with discharge chamber 32; Exhausr port 311 adds the anti-sealing of diaphragm 25 and dust enters into interiors of products.In braking mode, transmit by pedal the actuating force come and act on push rod 2 and tip-lever support 23, thus the effect that promotion piston 21 overcomes the second spring 8 moves down until fit with the upper valve 27 of valve member 10; After actuating force continues increase, move down when valve member 10 overcomes pull back spring 17, lower valve 28 is separated with valve seat 11, thus pressurized air enters into output cavity 30 from inlet chamber 29, reach the object that the first delivery port 211, second delivery port 212 has gas to export; Split washer 18 is arranged on the effect that valve member 10 plays guiding above; When output cavity 30 has gas, pressurized air enters return chamber 31 by the groove 26 on piston 21, thus promote piston 21 upward movement, the lower valve 28 of valve member 10 is sealed with valve seat 11, the upper valve 27 of valve member 10 still keeps sealing state with piston 21 simultaneously, realizes a dynamic balance state in loop.
Parallel-type double-cavity main brake valve of the present utility model, the first loop, second servo loop two chamber of its main valve can work independently, and do not affect another brake piping and normally work, and ensured the safety of vehicle to greatest extent when wherein brake piping loses efficacy; Its push rod 2 inside adopts the ball head structure of plastic material, makes commercial vehicle/comm..vehicle travel the effect can playing buffering when jiggly road, reduces the vibratory sensation of chaufeur foot, improve comfort level; Its inner sealing adopts ball face sealing, can reduce the gas leakage caused because dimensioned is not in place; The novel structure of its inside, compact, and use less parts to complete the braking function of main valve; It arranges multiple external interface, is convenient to multi-pipeline braking.
Claims (15)
1. a parallel-type double-cavity main brake valve, comprises push rod (2), balance base (4), the first spring (6), an O type circle (7), the second spring (8), seal ring (9), valve member (10), valve seat (11), the 3rd spring (12), valve body (16), pull back spring (17), the 2nd O type circle (19), the second pad (20), piston (21), spring perch (22) and tip-lever support (23); It is characterized in that: tip-lever support (23) riveting is to push rod (2) the inside; Balance base (4) is placed on above spring perch (22); First spring (6) is arranged on the inside of piston (21), and limited by spring perch (22); One O type circle (7) is set in piston (21) and goes up and seal with valve body (16), and isolated by the second spring (8) and valve member (10); Second pad (20) and seal ring (9) are fixed on the inside of valve body (16) by the second spring (8); 2nd O type circle (19) is set on valve seat (11), and spacing inner at valve body (16) by the 3rd spring (12); Valve member (10) is contacted with valve seat (11) by pull back spring (17).
2. parallel-type double-cavity main brake valve as claimed in claim 1, is characterized in that: parallel-type double-cavity main brake valve also comprises dust boot (1) and upper cover (5), and dust boot (1) is fixed on above upper cover (5) by clip (3).
3. parallel-type double-cavity main brake valve as claimed in claim 2, is characterized in that: the assembly that tip-lever support (23) riveting is formed to push rod (2) the inside is placed in upper cover (5).
4. parallel-type double-cavity main brake valve as claimed in claim 3, is characterized in that: the assembly that tip-lever support (23) riveting is formed to push rod (2) the inside is arranged on above balance base (4).
5. parallel-type double-cavity main brake valve as claimed in claim 4, it is characterized in that: the 3rd spring (12) is connected with plug (15) is spacing, the 3rd spring (12) is spacing by plug (15).
6. parallel-type double-cavity main brake valve as claimed in claim 5, is characterized in that: be provided with guide holder (13) above plug (15).
7. parallel-type double-cavity main brake valve as claimed in claim 6, is characterized in that: plug (15) is arranged with the first pad (14).
8. parallel-type double-cavity main brake valve as claimed in claim 7, is characterized in that: valve member (10) is provided with guiding split washer (18) above.
9. the parallel-type double-cavity main brake valve according to any one of claim 1-8, is characterized in that: parallel-type double-cavity main brake valve is provided with the first admission port (111) and the second admission port (112).
10. parallel-type double-cavity main brake valve as claimed in claim 9, is characterized in that: parallel-type double-cavity main brake valve is provided with the first delivery port (211) and the second delivery port (212).
11. parallel-type double-cavity main brake valves as claimed in claim 10, is characterized in that: parallel-type double-cavity main brake valve is provided with exhausr port (311).
12. parallel-type double-cavity main brake valves as claimed in claim 11, is characterized in that: exhausr port (311) place is provided with exhaust seat (24).
13. parallel-type double-cavity main brake valves as claimed in claim 12, is characterized in that: exhaust seat (24) place is provided with diaphragm (25).
14. parallel-type double-cavity main brake valves according to any one of claim 1-8, is characterized in that: piston (21) is provided with groove (26).
15. parallel-type double-cavity main brake valves as claimed in claim 14, is characterized in that: valve member (10) comprises valve (27) and lower valve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566232.3U CN204821541U (en) | 2015-07-30 | 2015-07-30 | Parallel two -chamber braking main valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566232.3U CN204821541U (en) | 2015-07-30 | 2015-07-30 | Parallel two -chamber braking main valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204821541U true CN204821541U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520566232.3U Active CN204821541U (en) | 2015-07-30 | 2015-07-30 | Parallel two -chamber braking main valve |
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| Country | Link |
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| CN (1) | CN204821541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131294A (en) * | 2018-08-30 | 2019-01-04 | 湖北福邦汽车配件科技有限公司 | A kind of pneumatic control valve for automobile brake |
-
2015
- 2015-07-30 CN CN201520566232.3U patent/CN204821541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131294A (en) * | 2018-08-30 | 2019-01-04 | 湖北福邦汽车配件科技有限公司 | A kind of pneumatic control valve for automobile brake |
| CN109131294B (en) * | 2018-08-30 | 2024-03-22 | 山东畅达专用车有限公司 | Air pressure control valve for automobile braking |
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| GR01 | Patent grant |