CN207631222U - A kind of parking relay valve - Google Patents
A kind of parking relay valve Download PDFInfo
- Publication number
- CN207631222U CN207631222U CN201721482021.7U CN201721482021U CN207631222U CN 207631222 U CN207631222 U CN 207631222U CN 201721482021 U CN201721482021 U CN 201721482021U CN 207631222 U CN207631222 U CN 207631222U
- Authority
- CN
- China
- Prior art keywords
- valve body
- piston
- valve
- parking relay
- control mouth
- 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.)
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Abstract
The utility model discloses a kind of parking relay valves, including the upper valve body being vertically connected with and lower valve body, the first control mouth and the second control mouth are set at the top of upper valve body, an air inlet and two gas outlets are set at the top of lower valve body, fitting sets upper piston and lower piston up and down in upper valve body, the first cavity of the first control mouth of connection is formed between the upper surface of upper piston and the top of upper valve body, the second cavity of the second control mouth of connection is formed between the lower face of upper piston and the upper surface of lower piston, the central upper portion of lower valve body sets mounting base, mounting base bottom sets the guide holder of metal material, the top of mounting base sets valve seat and resists the upper surface of valve seat by circlip for hole, valve member is set between valve seat and guide holder, crimp spring between valve member and guide holder, lower piston is against the upper surface of valve member after moving down.The utility model structure novel, service life are long.
Description
Technical field
The utility model is related to technical field of automobile parts, more particularly, to a kind of parking relay valve.
Background technology
The guide holder of traditional parking relay valve uses plastic material, and there are following disadvantages：One, plastic material is variable
Shape, it is poor to be oriented to；Two, the dimensional accuracy of plastic material is not easy to control, because there is contracting ratio in injection molding, accuracy compared to machine compared with
Difference is difficult to control within 5.Therefore guide holder often will appear the situations such as gas leakage, need to improve.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of parking relay valve, and structure is new
Grain husk, service life are long.
To achieve the goals above, the utility model adopts the following technical solution：
The top of a kind of parking relay valve, including the upper valve body and lower valve body that are vertically connected with, the upper valve body is equipped with first
Control mouth and the second control mouth are set at the top of the lower valve body there are one air inlet and two gas outlets, in the upper valve body on
Under be fitted with upper piston and lower piston, between the upper surface of the upper piston and the top of upper valve body formed connection first control
First cavity of mouth forms the second cavity of the second control mouth of connection between the lower face of upper piston and the upper surface of lower piston,
The central upper portion of the lower valve body be equipped with mounting base, the mounting base bottom be equipped with metal material guide holder, mounting base it is upper
Portion is equipped with valve seat and resists the upper surface of valve seat by circlip for hole, and valve is equipped between the valve seat and guide holder
Door component, crimp spring between the valve member and guide holder, the lower piston are against the upper of valve member after moving down
End face.
The top inner wall center of the upper valve body is downwardly extending guide post, and the inner edge of the upper piston is bonded guide post
Outer rim and upper piston can be moved up and down along guide post.
The lower part outer rim of the inner edge palette upper piston of the lower piston, lower piston can be along the lower part of upper piston above and below
It is mobile.
The valve member includes the steel skeleton of L-type and the rubber layer that is coated on outside steel skeleton, is formed in the rubber layer
Two sealing lips.
The guide holder include two with one heart and the lead rings that upwardly extend, two sealing lips outer rim with two lead rings respectively
Interference fit.
Spring base is formed between two lead rings, the spring one end is connected on spring base, and the other end abuts steel skeleton.
The lower central of the lower valve body is connected with muffler assembly.
The bottom centre of the lower valve body is equipped with the bleeder port of connection muffler assembly.
The third cavity of connection air inlet is formed between the mounting base and guide holder.
The utility model has the beneficial effects that：It is controlled using double-piston, structure novel, using effect is good, and driving parking is not
It will produce the superposition of power；Guide holder uses metal material, installs accurate positioning, long-time service is indeformable, extends service life.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the vertical view of the utility model；
Fig. 4 is the structural schematic diagram of the utility model；
Fig. 5 is the enlarged drawing at A in Fig. 4.
In figure：Upper valve body 1, the first control mouth 11, the second control mouth 12, guide post 13, lower valve body 2, air inlet 21, outlet
Mouth 22, muffler assembly 23, mounting base 24, bleeder port 25, upper piston 3, the first cavity 31, lower piston 32, the second cavity 33, valve
Gate seat 4, steel skeleton 42, rubber layer 43, guide holder 44, spring 45, third cavity 46, sealing lip 47, is led at circlip for hole 41
Ring 48, spring base 49.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and detailed description：
As shown in fig. 1~fig. 5, a kind of parking relay valve, including the upper valve body 1 and lower valve body 2 that are vertically connected with, upper valve body 1
It is connected by the hex bolts at peripheral four angles with lower valve body 2.
The top of the upper valve body 1 is equipped with the first control mouth 11 and the second control mouth 12, and the first control mouth 11 is parking brake system
Dynamic, the second control mouth 12 is braked for service brake.
The top of the lower valve body 2 is set there are one air inlet 21 and two gas outlets 22, and two gas outlets 22 1 connect row
Vehicle chamber, one connects parking chamber.
It is fitted with upper piston 3 and lower piston 32, the top inner wall center of the upper valve body 1 up and down in the upper valve body 1
It is downwardly extending guide post 13, the outer rim and upper piston 3 of the inner edge fitting guide post 13 of the upper piston 3 can be along guide posts
13 move up and down.The lower part outer rim of the inner edge palette upper piston 3 of the lower piston 32, lower piston 32 can be along upper pistons 3
Lower part move up and down.
The first cavity of the first control mouth 11 of connection is formed between the upper surface and the top of upper valve body 1 of the upper piston 3
31, the second cavity 33 of the second control mouth 12 of connection is formed between the lower face and the upper surface of lower piston 32 of upper piston 3, it is described
The central upper portion of lower valve body 2 is equipped with mounting base 24, and 24 bottom of the mounting base is equipped with the guide holder 44 of metal material, guide holder 44
Sealing is caught in mounting base 24.
The top of mounting base 24 is equipped with valve seat 4 and resists the upper surface of valve seat 4 by circlip for hole 41, wherein
O-ring is equipped between valve seat 4 and mounting base 24.
Valve member is equipped between the valve seat 4 and guide holder 44, the valve member includes 42 He of steel skeleton of L-type
The rubber layer 43 being coated on outside steel skeleton 42 forms two sealing lips 47 in the rubber layer 43.
The guide holder 44 include two with one heart and the lead rings 48 that upwardly extend, two sealing lips 47 respectively with two lead rings
48 outer rim interference fit.It can guarantee when lower piston 32 pushes valve member to move down close between valve member and guide holder 44
Feng Xing.
Crimp spring 45 between the valve member and guide holder 44 forms spring base 49 between two lead rings 48, described
45 one end of spring is connected on spring base 49, and the other end abuts steel skeleton 42.
The lower piston 32 is against the upper surface of valve member after moving down.
The lower central of the lower valve body 2 is connected with muffler assembly 23.
The bottom centre of the lower valve body 2 is equipped with the bleeder port 25 of connection muffler assembly 23.
The third cavity 46 of connection air inlet 21 is formed between the mounting base 24 and guide holder 44.
The operation principle of the utility model is：
When the first 11 air inlet of control mouth, gas enters the first cavity 31 and then pushes down on upper piston 3, and upper piston 3 drives
Lower piston 32 is downwardly together so that the lower end of lower piston 32 resists valve member, since air inlet 21 is Chang Jinqi and the Chang Jinqi
It is directly entered third cavity 46, after valve member is pushed down, the gas in third cavity 46 is up walked and from an outlet
Mouth 22 is discharged into parking chamber.
When the second 12 air inlet of control mouth, gas enters the second cavity 33 and then pushes down on lower piston 32, lower piston 32
Lower end resists valve member and continues to press on downwards, and the gas in third cavity 46 is up walked and is discharged into row from a gas outlet 22
Vehicle chamber.
After valve member return under the effect of spring 45, residual air enters muffler assembly 23 from bleeder port 25 and is discharged.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of parking relay valve, including the upper valve body (1) and lower valve body (2) that are vertically connected with, it is characterised in that：The upper valve body
(1) top is equipped with the first control mouth (11) and the second control mouth (12), set at the top of the lower valve body (2) there are one air inlet
(21) and two gas outlets (22), be fitted with upper piston (3) and lower piston (32) in the upper valve body (1) up and down, it is described on
The first cavity (31) of the first control mouth of connection (11), upper work are formed between the upper surface and the top of upper valve body (1) of piston (3)
The second cavity (33) of the second control mouth of connection (12), institute are formed between the lower face and the upper surface of lower piston (32) of plug (3)
The central upper portion for stating lower valve body (2) is equipped with mounting base (24), and mounting base (24) bottom is equipped with the guide holder of metal material
(44), the top of mounting base (24) is equipped with valve seat (4) and resists the upper end of valve seat (4) by circlip for hole (41)
Face is equipped with valve member, is crimped between the valve member and guide holder (44) between the valve seat (4) and guide holder (44)
Spring (45), the lower piston (32) are against the upper surface of valve member after moving down.
2. a kind of parking relay valve as described in claim 1, it is characterised in that：The top inner wall center of the upper valve body (1) to
Under extend to form guide post (13), the outer rim and upper piston (3) of the inner edge fitting guide post (13) of the upper piston (3) can be along
Guide post (13) moves up and down.
3. a kind of parking relay valve as claimed in claim 2, it is characterised in that：In the inner edge palette of the lower piston (32)
The lower part outer rim of piston (3), lower piston (32) can be moved up and down along the lower part of upper piston (3).
4. a kind of parking relay valve as described in claim 1, it is characterised in that：The valve member includes the steel skeleton of L-type
(42) and it is coated on the rubber layer (43) of steel skeleton (42) outside, two sealing lips (47) is formed on the rubber layer (43).
5. a kind of parking relay valve as claimed in claim 4, it is characterised in that：The guide holder (44) include two with one heart and to
The lead ring (48) of upper extension, two sealing lips (47) are interference fitted with the outer rim of two lead rings (48) respectively.
6. a kind of parking relay valve as claimed in claim 5, it is characterised in that：Spring base is formed between two lead rings (48)
(49), described spring (45) one end is connected on spring base (49), and the other end abuts steel skeleton (42).
7. a kind of parking relay valve as described in claim 1, it is characterised in that：The lower central of the lower valve body (2) is connected with
Muffler assembly (23).
8. a kind of parking relay valve as claimed in claim 7, it is characterised in that：The bottom centre of the lower valve body (2), which is equipped with, to be connected
The bleeder port (25) of logical muffler assembly (23).
9. a kind of parking relay valve as described in claim 1~8 any one, it is characterised in that：It the mounting base (24) and leads
To the third cavity (46) for forming connection air inlet (21) between seat (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482021.7U CN207631222U (en) | 2017-11-09 | 2017-11-09 | A kind of parking relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482021.7U CN207631222U (en) | 2017-11-09 | 2017-11-09 | A kind of parking relay valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207631222U true CN207631222U (en) | 2018-07-20 |
Family
ID=62856555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721482021.7U Active CN207631222U (en) | 2017-11-09 | 2017-11-09 | A kind of parking relay valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207631222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791859A (en) * | 2020-06-24 | 2020-10-20 | 东风商用车有限公司 | Air braking parking loop system |
-
2017
- 2017-11-09 CN CN201721482021.7U patent/CN207631222U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791859A (en) * | 2020-06-24 | 2020-10-20 | 东风商用车有限公司 | Air braking parking loop system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Parking relay valve Effective date of registration: 20200703 Granted publication date: 20180720 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co., Ltd. Jiyang sub branch Pledgor: ZHEJIANG ORIENT STAR TECHNOLOGY Co.,Ltd. Registration number: Y2020330000428 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210724 Granted publication date: 20180720 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co., Ltd. Jiyang sub branch Pledgor: ZHEJIANG ORIENT STAR TECHNOLOGY Co.,Ltd. Registration number: Y2020330000428 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |