CN207374362U - A kind of high life air brake valve - Google Patents
A kind of high life air brake valve Download PDFInfo
- Publication number
- CN207374362U CN207374362U CN201721006119.5U CN201721006119U CN207374362U CN 207374362 U CN207374362 U CN 207374362U CN 201721006119 U CN201721006119 U CN 201721006119U CN 207374362 U CN207374362 U CN 207374362U
- Authority
- CN
- China
- Prior art keywords
- piston
- wall
- valve assembly
- bulge loop
- air brake
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of high life air brake valves, including upper shell, lower housing, tip-lever support, upper piston, upper valve assembly, lower piston and lower valve assembly, the upper piston bottom is equipped with the first bulge loop, the upper valve assembly top is equipped with the first concave ring, the lower piston bottom is equipped with the second bulge loop, the lower valve assembly top is equipped with the second concave ring, and a guidance set and a seal assembly are equipped between the lower piston outer wall and lower housing inner wall.The utility model ensure that the contact surface of the contact surface of upper piston and upper valve assembly, lower piston and lower valve assembly all with good air-tightness respectively by the cooperation of the first bulge loop and the first protrusion, the second bulge loop and the cooperation of the second protrusion；Guidance set ensures that guidance quality is good during lower piston movement, is not easy to contact with lower valve body inner wall, rub, reduce the abrasion to piston, extends the service life of piston；Seal assembly causes there is preferable air-tightness between lower piston and lower valve body inner wall.
Description
Technical field
The utility model belongs to auto manufacturing's technical field, more particularly, to a kind of high life air brake valve.
Background technology
O-ring seals are generally provided only between current its piston outer wall of high life air brake valve and inner walls, although
Ensure that piston outer wall and inner walls have good air-tightness, guidance quality is poor during yet with piston motion, piston it is outer
Wall is easy to inner walls contact, friction, so as to be easily damaged piston.
Utility model content
The utility model is a kind of small to the abrasion of piston in order to overcome the deficiencies of the prior art and provide, service life length
High life air brake valve.
To achieve these goals, the utility model uses following technical scheme：A kind of high life air brake valve, including upper
Housing, lower housing, tip-lever support, upper piston, upper valve assembly, lower piston and lower valve assembly, the upper piston bottom are equipped with the
One bulge loop, the upper valve assembly top are equipped with the first concave ring, and the lower piston bottom is equipped with the second bulge loop, and the lower valve is total
The second concave ring is equipped with into top, a guidance set and seal assembly are equipped between the lower piston outer wall and lower housing inner wall.When
For upper piston when moving downward under the action of tip-lever support and being contacted with upper valve assembly, the first bulge loop of bottom can be caught in valve
In first concave ring on assembly top, so as to add the contact area between upper piston and upper valve assembly, ensure contact mask
There is good air-tightness, likewise, when lower piston is contacted with lower valve assembly, the cooperation of the second bulge loop and the second concave ring also can
Ensureing the contact surface of lower piston and lower valve assembly has good air-tightness；It is equipped between lower piston outer wall and lower housing inner wall
One guidance set and seal assembly, guidance set causes lower piston, and guidance quality is good during exercise, will not be contacted with lower housing inner wall,
It squeezes, and then reduces the damage to lower piston, extend the service life of entire high life air brake valve；Seal assembly causes
There is good air-tightness between lower piston outer wall and lower housing inner wall.
Further, the guidance set includes being arranged on two annular grooves of lower piston outer wall and is engaged with annular groove
Guide collar, two annular groove is respectively arranged on lower piston outer wall upper and lower ends；Guide collar is equipped in two annular grooves, is oriented to
Circle causes piston, and guidance quality is good during exercise, prevents piston from contacting directly and rubbing with upper valve body inner wall during the motion, rises
To the effect of protection piston.
Further, the groove cross section is isosceles trapezoid, and an annular raised line is respectively equipped on the groove two side；
When guide collar is caught in annular groove, two annular raised lines can squeeze the both sides of guide collar, and the both sides of guide collar are in the work of extruding force
Be recessed inwardly under to be formed with the matched recess portion of raised line, and then guide collar can closely, be firmly stuck in annular groove.
Further, the seal assembly include be arranged on piston outer wall on concave ring and with the matched sealing ring of concave ring,
The concave ring is arranged between two annular grooves；The sealing ring being equipped in concave ring can guarantee to be had between piston outer wall and upper valve body inner wall
There is good leakproofness, it is therefore prevented that gap of the gas of upper piston area through piston and upper valve body inner wall.
Further, first bulge loop is equipped with one layer of rubber pad；Rubber pad further improves the first bulge loop and
Sealing performance between one concave ring.
Further, second bulge loop is equipped with one layer of rubber pad；Rubber pad further improves the second bulge loop and
Sealing performance between two concave rings.
In conclusion the utility model passes through the cooperation of the first bulge loop and the first protrusion, the second bulge loop and the second protrusion
Cooperation, ensure that respectively the contact surface of upper piston and upper valve assembly, lower piston and lower valve assembly contact surface all have it is good
Good air-tightness；Guidance set ensures that guidance quality is good during lower piston movement, is not easy to contact with lower valve body inner wall, rub, reduction pair
The abrasion of piston extends the service life of piston；Seal assembly to have between lower piston and lower valve body inner wall preferable
Air-tightness.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the partial enlarged view of the utility model.
Fig. 4 is the partial enlarged view of the utility model.
Fig. 5 is the partial enlarged view of the utility model.
Specific embodiment
It is real below in conjunction with the utility model in order to which those skilled in the art is made to be better understood from the utility model
The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.
As shown in Figs. 1-5, a kind of high life air brake valve, including upper shell 1, lower housing 2, tip-lever support 3, upper piston 4, on
Valve assembly 5, lower piston 6 and lower valve assembly 7, the tip-lever support 3, upper piston 4, upper valve assembly 5, lower piston 6 and lower valve
Door assembly 7 is from top to bottom successively set on inside upper shell 1 and lower housing 2, and the upper shell 1 is equipped with enterprising gas port A and upper
Gas outlet B, the lower housing 2 are equipped with lower air inlet C and lower gas outlet D, and 2 bottom of lower housing is equipped with exhaust outlet E, enterprising gas port
Gas receivers of the A with lower air inlet C individually and independently is connected, upper gas outlet B and lower gas outlet the D forward and backward system with car respectively
It takes offence room connection, tip-lever support 3, upper piston 4, are equipped with gas passage, institute in lower piston 6 and lower valve assembly 7 at upper valve assembly 5
4 bottom of upper piston is stated equipped with the first bulge loop 41, upper 5 top of valve assembly is equipped with the first concave ring 51,6 bottom of lower piston
Equipped with the second bulge loop 65,7 top of lower valve assembly is equipped with the second concave ring 71, and the first bulge loop 41 and 65 surface of the second bulge loop are all
Equipped with one layer of rubber layer.A rubber spring, one end and top of the rubber spring are equipped between the tip-lever support 3 and upper piston 4
Pole socket 3 connects, and the other end is withstood on upper piston 4, rubber spring can be driven to move downwardly together when tip-lever support moves downward, rubber
One end that spring is contacted with upper piston can be pressed down against upper piston 4, be equipped with and reply between 6 inner wall of the upper piston 16 and upper shell
Spring, described returning spring one end are connected with upper piston 4, and the other end is connected with 1 inner wall of upper shell, and upper piston is acted on removing
On power after, upper piston can be returned to origin-location under the action of returning spring so that high life air brake valve can continue
Into operating next time.
A guidance set and seal assembly, the guidance set are equipped between 6 outer wall of lower piston and 2 inner wall of lower housing
Including be arranged on 6 outer wall of lower piston two annular grooves 61 and with 61 matched guide collar 62 of annular groove, it is described two annular it is recessed
Slot 61 is respectively arranged on 6 outer wall upper and lower ends of lower piston, and 61 cross section of groove is isosceles trapezoid, and is divided on 61 two side of groove
Not She You an annular raised line 63, when guide collar 62 is arranged in annular groove 61, two annular raised lines 63 on 61 side wall of groove
Can squeeze the both sides of guide collar 62, guide collar 62 generates certain plastic deformation under the effect of 63 extruding force of raised line, form with
63 matched recess portion of raised line, and then guide collar 62 is closely fastened in groove 61.The seal assembly, which includes being arranged on, lives
Fill in concave ring 64 on 6 outer walls and with 64 matched sealing ring of concave ring, the concave ring 64 is arranged between two annular grooves 61, sealing
Circle, which ensure that between 2 inner wall of 6 outer wall of lower piston and lower housing, has good air-tightness.
Specifically, when driver steps on foot pedal, tip-lever support 3 moves down, and upper piston 4 one is promoted by rubber spring
It rises and moves down, and then the lower end of upper piston 4 can squeeze valve assembly 5,4 bottom of piston is equipped with 41 meeting of the first bulge loop and upper valve
5 top of door assembly is fitted closely equipped with the first concave ring 51, adds the air-tightness of upper piston 4 and upper 7 contact surface of valve assembly, on
Valve assembly 5 corresponds to the chamber door of enterprising gas port A under the extruding force effect that upper piston 4 is subject to be applied on upper valve assembly 5
It can open, and then the gas in enterprising gas port A can be delivered to before car by upper gas outlet B in brake chamber, realized to car
Front wheel brake；Upper valve assembly 5 can move downward under 4 squeezing action of upper piston, and then be pressed down against lower piston 6, due to
Two guide collars 62 and sealing ring are equipped between 2 inner wall of 6 inner wall of lower piston and lower housing, so moving downward process in lower piston 6
In, 6 outer wall of lower piston will not be contacted with 2 inner wall of lower housing, and then reduce the damage to lower piston 6, and when lower piston 6 moves
To when being contacted with lower valve assembly 7, the second bulge loop 65 of 6 bottom of lower piston can be with second concave ring 71 at 7 top of lower valve assembly
Fit closely, and lower valve assembly 7 be subject to lower piston 6 apply extruding force effect under, under corresponding on lower valve assembly 7
The chamber door of air inlet C can open, and the gas in lower air inlet C is delivered to brake chamber after car by lower gas outlet D, realize pair
The braking of automobile back wheel.
When driver unclamps foot pedal, upper piston 4 resets under the action of returning spring, is applied to valve assembly
5th, the extruding force on lower piston 6 and lower valve assembly 7 disappears, and upper valve assembly 5, lower piston 6 and lower valve assembly 7 are multiple respectively
, the air inlet chamber door on upper valve assembly 5 and lower valve assembly 7 is closed, the compressed air in upper gas outlet B and lower gas outlet D
It is discharged from exhaust outlet E.
Obviously, described embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained without making creative work
Every other embodiment should all belong to the scope of the utility model protection.
Claims (6)
1. a kind of high life air brake valve, total including upper shell (1), lower housing (2), tip-lever support (3), upper piston (4), upper valve
Into (5), lower piston (6) and lower valve assembly (7), it is characterised in that：Upper piston (4) bottom is equipped with the first bulge loop (41),
Upper valve assembly (5) top is equipped with the first concave ring (51)；Lower piston (6) bottom is equipped with the second bulge loop (65), described
Lower valve assembly (7) top is equipped with the second concave ring (71)；One is equipped between lower piston (6) outer wall and lower housing (2) inner wall
Guidance set and a seal assembly.
2. high life air brake valve according to claim 1, it is characterised in that：The guidance set includes being arranged on lower piston
(6) two annular grooves (61) on and with annular groove (61) matched guide collar (62)；Two annular groove (61) point
It She Yu not lower piston (6) outer wall upper and lower ends.
3. high life air brake valve according to claim 2, it is characterised in that：Groove (61) cross section is isosceles ladder
Shape is respectively equipped with an annular raised line (63) on groove (61) two side.
4. high life air brake valve according to claim 1, it is characterised in that：The seal assembly includes being arranged on lower piston
(6) concave ring on outer wall (64) and with concave ring (64) matched sealing ring, the concave ring (64) be arranged on two annular grooves (61)
Between.
5. high life air brake valve according to claim 1, it is characterised in that：First bulge loop (41) is equipped with one layer
Rubber pad.
6. high life air brake valve according to claim 1, it is characterised in that：Second bulge loop (65) is equipped with one layer
Rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721006119.5U CN207374362U (en) | 2017-08-12 | 2017-08-12 | A kind of high life air brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721006119.5U CN207374362U (en) | 2017-08-12 | 2017-08-12 | A kind of high life air brake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207374362U true CN207374362U (en) | 2018-05-18 |
Family
ID=62342564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721006119.5U Expired - Fee Related CN207374362U (en) | 2017-08-12 | 2017-08-12 | A kind of high life air brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207374362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118651204A (en) * | 2024-08-20 | 2024-09-17 | 浙江宏亮汽车零部件有限公司 | New energy automobile brake valve with kinetic energy recovery |
-
2017
- 2017-08-12 CN CN201721006119.5U patent/CN207374362U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118651204A (en) * | 2024-08-20 | 2024-09-17 | 浙江宏亮汽车零部件有限公司 | New energy automobile brake valve with kinetic energy recovery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 |