CN209705370U - A kind of brake pump valve - Google Patents
A kind of brake pump valve Download PDFInfo
- Publication number
- CN209705370U CN209705370U CN201921813072.2U CN201921813072U CN209705370U CN 209705370 U CN209705370 U CN 209705370U CN 201921813072 U CN201921813072 U CN 201921813072U CN 209705370 U CN209705370 U CN 209705370U
- Authority
- CN
- China
- Prior art keywords
- blind hole
- hole
- valve rod
- arresting disk
- valve
- 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
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of brake pump valves, the brake pump valve includes valve body and valve rod, valve body is equipped with the 1st blind hole, the 2nd blind hole, the 1st through-hole and the 3rd blind hole, the upper end of valve rod 2 is equipped with the 1st position-arresting disk, and the centre of valve rod is equipped with the 2nd position-arresting disk and the 3rd position-arresting disk, and the 2nd position-arresting disk is located at the top of the 3rd position-arresting disk, valve rod passes through the 1st blind hole, the 2nd blind hole, the 1st through-hole and the 3rd blind hole, the lower end of valve body is stretched out in the lower end of valve rod, and the top of valve rod is equipped with spring, and spring is located in the 1st blind hole；The upper end of valve rod is equipped with sealing ring, and sealing ring is located in the 3rd blind hole, and sealing ring is used to seal the lower end outlet of the 1st through-hole；When the lower section lateral force of valve rod and when being pulled to side, valve rod overcomes the elastic force run-off the straight of spring, the conducting of the 1st through-hole；When the lower section lateral force of valve rod disappears, valve rod is under the recovery elastic force effect of spring, and sealing ring is by the lower end exit seal of the 1st through-hole.The utility model sealing effect is good, high reliablity.
Description
Technical field
The utility model relates to a kind of vehicle brake pump more particularly to a kind of brake pump valves.
Background technique
Vehicle brake pump includes detent housing, gas chamber shell, fluid reservoir, and detent housing is equipped with brake chamber, in order to guarantee
Brake-fluid in fluid reservoir can only add in brake chamber, and the brake-fluid in brake chamber cannot flow back into fluid reservoir, store up
Valve, the Chinese invention patent application (application number 201910543383.X) of the applicant to be installed between flow container and brake chamber
Disclose a kind of valve: detent housing be equipped with feed liquor boss, fluid reservoir be equipped with liquid boss, feed liquor boss by connectedness with
Liquid boss is fixed together out, as shown in Figure 1, connectedness 59 is successively arranged the 2nd through-hole, the 3rd through-hole to connect from top to bottom
With the 4th through-hole, the diameter of the 2nd through-hole is greater than the diameter of the 3rd through-hole, and outer circumferential is logical at the 1st cascaded surface, the 4th below the 2nd through-hole
The diameter in hole be greater than the 3rd through-hole diameter, the 4th through-hole top outer circumferential at the 2nd cascaded surface, be equipped in the 2nd cascaded surface
Annular groove, annular groove are equipped with the 3rd sealing ring 63；It is vertically installed with mandril 60 in the 2nd through-hole, the 3rd through-hole and the 4th through-hole, mandril
60 centre is equipped with position-arresting disk, and the top of mandril 60 is equipped with the 2nd spring 61, and the bottom end of the 2nd spring 61 is located on the 1st cascaded surface,
The top of position-arresting disk is in contact with the 3rd sealing ring 63, and the lower section of mandril 60 is goed deep into brake chamber.Although the sealing valve is in certain journey
Brake-fluid is able to solve on degree to be added in brake chamber, the effect that the brake-fluid in brake chamber cannot flow back, but the structure
Sealing ring and position-arresting disk contact area it is larger, sealing pressure is lower, be easy to appear poorly sealed and sealing ring be pressurized it is easy to damage
Defect, poor sealing effect, reliability is high.In addition, the sealing ring of the structure is located in the annular groove of connectedness, place
It is all inconvenient with maintenance, and be not fixed firmly and lean on.
Utility model content
The technical problems to be solved in the utility model: provide that a kind of sealing effect is good, brake pump valve of high reliablity.
The technical solution of the utility model is: a kind of brake pump valve, and the brake pump valve includes valve body and valve
Bar, valve inner is successively arranged from top to bottom to connect and concentric the 1st blind hole, the 2nd blind hole, the 1st through-hole and the 3rd blind hole, and the 1st
Diameter of blind hole is greater than the 2nd diameter of blind hole, and the 1st annular surface is formed on the bottom of the 1st blind hole, and the top of the 3rd blind hole forms the 2nd ring
Shape face；The upper end of valve rod 2 is equipped with the 1st position-arresting disk, and the centre of valve rod is equipped with the 2nd position-arresting disk and the 3rd position-arresting disk, the 2nd position-arresting disk position
In the top of the 3rd position-arresting disk, valve rod passes through the 1st blind hole, the 2nd blind hole, the 1st through-hole and the 3rd blind hole, and valve body is stretched out in the lower end of valve rod
Lower end, the top of valve rod is equipped with spring, and spring is located in the 1st blind hole, and spring passes through the 1st position-arresting disk and the limit of the 1st annular surface；
The lower section of valve rod is equipped with sealing ring, and sealing ring is located in the 3rd blind hole, and sealing ring is fixed by the 2nd position-arresting disk and the 3rd position-arresting disk,
Sealing ring is used to seal the lower end outlet of the 1st through-hole；When the lower section lateral force of valve rod and when being pulled to side, valve rod overcomes bullet
The elastic force run-off the straight of spring, the conducting of the 1st through-hole；When the lower section lateral force of valve rod disappears, valve rod is made in the recovery elastic force of spring
Under, sealing ring is by the lower end exit seal of the 1st through-hole.
As an improvement, sealing ring is truncated conical shape, it is successively arranged inside sealing ring and connects and the concentric the 4th from top to bottom
Blind hole and the 2nd through-hole, the 4th diameter of blind hole are greater than the diameter of the 2nd through-hole, and valve rod 2 passes through the 4th blind hole and the 2nd through-hole, sealing ring
Upper surface be higher than the upper surface of the 2nd position-arresting disk, the annular upper end face of the 3rd position-arresting disk and the lower end surface Elastic Contact of sealing ring.
As an improvement, spring is volute spring；The upper end of the valve rod is equipped with blind screw hole, and blind screw hole is screwed with spiral shell
Nail, the screw cap that screw upper end is equipped with is as the 1st position-arresting disk；The outer surface of upper of the valve body is six faceted pebbles, the valve body
Lower part is cylindrical surface, and cylindrical surface is machined with external screw thread, and the inwall processing of the 1st blind hole is internal screw thread.
The technical effect of the utility model is: sealing ring is placed on valve rod by the utility model, sealing ring is truncated cone-shaped
Shape, and the 2nd position-arresting disk of valve rod is located in the 4th blind hole, the upper surface of sealing ring is higher than the upper surface of the 2nd position-arresting disk, therefore, this
The upper surface of utility model sealing ring and the 2nd annular surface contact area of valve body are small, and footprint pressure is big, so that sealing effect is good.
In addition, the utility model is placed on sealing ring between the 2nd position-arresting disk of valve rod and the 3rd position-arresting disk, it is easy to installation and maintenance,
It is firm that sealing ring is placed, and use reliability is high.
The utility model is equipped with blind screw hole in the upper end of the valve rod, and blind screw hole is screwed with screw, screw upper end
The screw cap being equipped with is as the 1st position-arresting disk, convenient for loading and unloading the pretightning force of spring and adjustment spring.
The utility model is six faceted pebbles in the outer surface of upper of the valve body, is easy to use spanner rotary valve, dismantles valve
Door is convenient.The lower part of valve body described in the utility model is cylindrical surface, and cylindrical surface is machined with external screw thread, is convenient for valve body and detent housing
Feed liquor boss the mating installation of internal screw thread；The inwall processing of 1st blind hole of valve body is internal screw thread, is set convenient for valve body and fluid reservoir
Some goes out the mating installation of external screw thread of liquid boss.
Detailed description of the invention
Fig. 1 is prior art brake pump valve mechanism schematic diagram.
Fig. 2 is the utility model brake pump valve main view.
Fig. 3 is the utility model brake pump valve top view.
Fig. 4 is the sectional view along A-A of Fig. 3.
Fig. 5 is the utility model valve rod, spring, sealing ring combination diagram.
Fig. 6 is the utility model brake pump valve body main view.
Fig. 7 is the utility model brake pump valve body top view.
Fig. 8 is the utility model brake pump valve body bottom view.
Fig. 9 is the B-B direction cross-sectional view of Fig. 8.
Figure 10 is the valve rod main view of the non-mounting screw of the utility model.
Figure 11 is the valve rod top view of the non-mounting screw of the utility model.
Figure 12 is the valve rod bottom view of the non-mounting screw of the utility model.
Figure 13 is the valve rod partial sectional view that the utility model is equipped with screw.
Figure 14 is the utility model sealing ring main view.
Figure 15 is the utility model sealing ring top view.
Figure 16 is the C-C of Figure 15 to cross-sectional view.
Wherein: 1. valve bodies, 2. valve rods, 3. the 1st position-arresting disks, 4. springs, 5. sealing rings, 6. the 3rd blind holes, 7. the 1st
Through-hole, 9. internal screw threads, 10. the 1st blind holes, 11. the 2nd blind holes, 12. external screw threads, 13. screws, 14. the 2nd position-arresting disks, 15.
3rd position-arresting disk, 16. the 4th blind holes, 17. the 2nd through-holes, 18. the 1st annular surfaces, 19. the 2nd annular surfaces, 20. the 3rd annular surfaces,
21. screw cap, 59. connectednesses, 60. mandrils, 61. the 2nd springs, 63. the 3rd sealing rings.
Specific embodiment
It is described in detail with reference to the accompanying drawings and examples.
As shown in Fig. 1 to Figure 16, a kind of brake pump valve of the utility model, the brake pump valve includes valve body 1 and valve
Bar 2 is successively arranged inside valve body 1 from top to bottom and connects and the 1st concentric blind hole 10, the 2nd blind hole 11, the 1st through-hole 7 and the 3rd
The diameter of the 6, the 1st blind hole 10 of blind hole is greater than the diameter of the 2nd blind hole 11, and the 1st annular surface 18 is formed on the bottom of the 1st blind hole 10, and the 3rd is blind
The top in hole 6 forms the 2nd annular surface 19；The upper end of valve rod 2 is equipped with the 1st position-arresting disk 3, and the centre of valve rod 2 is equipped with the 2nd position-arresting disk 14
With the 3rd position-arresting disk 15, the 2nd position-arresting disk 14 is located at the top of the 3rd position-arresting disk 15, valve rod 2 pass through the 1st blind hole 10, the 2nd blind hole 11,
The lower end of valve body 1 is stretched out in 1st through-hole 7 and the 3rd blind hole 6, the lower end of valve rod 2, and the top of valve rod 2 is equipped with spring 4, and spring 4 is located at
In 1st blind hole 10, spring 4 is limited by the 1st position-arresting disk 3 and the 1st annular surface 18；The lower section of valve rod 2 is equipped with sealing ring 5, sealing
Circle 5 is located in the 3rd blind hole 6, and sealing ring 5 is fixed by the 2nd position-arresting disk 14 and the 3rd position-arresting disk 15, and sealing ring 5 is used to seal the 1st
The lower end of through-hole 7 exports；When the lower section lateral force of valve rod 2 and when being pulled to side, valve rod 2 overcomes the elastic force of spring 4 to occur
Inclination, the 2nd blind hole 11 are communicated by the 1st through-hole 7 with the 3rd blind hole 6；When the lower section lateral force of valve rod 2 disappears, valve rod 2 is in bullet
Under the recovery elastic force effect of spring 4, sealing ring 5 is again by the lower end exit seal of the 1st through-hole 7.Sealing ring 5 is truncated conical shape, valve
It is successively arranged and connects and the 4th concentric blind hole 16 and the 2nd through-hole 17, the diameter of the 4th blind hole 16 are greater than from top to bottom inside body 1
The diameter of 2nd through-hole 17, the lower section of the 4th blind hole 16 form the 3rd annular surface 20, and valve rod 2 passes through the 4th blind hole 16 and the 2nd through-hole 17,
The lower end surface of 2nd position-arresting disk 14 is in contact with the 3rd annular surface 20, and the upper surface of sealing ring 5 is higher than the upper end of the 2nd position-arresting disk 14
Face, upper surface and 19 Elastic Contact of the 2nd annular surface convenient for sealing ring 5.The annular upper end face of 3rd position-arresting disk 15 and sealing ring 5
Lower end surface Elastic Contact.Spring 4 is volute spring.The upper end of the valve rod 2 is equipped with blind screw hole, and blind screw hole is screwed with
Screw 13, the screw cap 21 that 13 upper end of screw is equipped with are used as the 1st position-arresting disk 3.The outer surface of upper of the valve body 1 is six faceted pebbles,
The lower part of the valve body 1 is cylindrical surface, and the inwall processing that cylindrical surface is machined with the 12, the 1st blind hole 10 of external screw thread is internal screw thread 9.
The unspecified content of the utility model is the prior art, those skilled in the art can from the present embodiment and
The prior art is inspired, and is deformed to obtain other embodiments.Therefore, the protection scope of the utility model should be according to right
It is required that protection scope come it is true.
Claims (5)
1. a kind of brake pump valve, the brake pump valve includes valve body (1) and valve rod (2), it is characterised in that: in valve body (1)
Portion is successively arranged from top to bottom to connect and concentric the 1st blind hole (10), the 2nd blind hole (11), the 1st through-hole (7) and the 3rd blind hole
(6), the diameter of the 1st blind hole (10) is greater than the diameter of the 2nd blind hole (11), and the 1st annular surface is formed on the bottom of the 1st blind hole (10)
(18), the top of the 3rd blind hole (6) forms the 2nd annular surface (19)；The upper end of valve rod (2) is equipped with the 1st position-arresting disk (3), valve rod (2)
Centre be equipped with the 2nd position-arresting disk (14) and the 3rd position-arresting disk (15), the 2nd position-arresting disk (14) is located at the top of the 3rd position-arresting disk (15),
Valve rod (2) passes through the 1st blind hole (10), the 2nd blind hole (11), the 1st through-hole (7) and the 3rd blind hole (6), and valve is stretched out in the lower end of valve rod (2)
The top of the lower end of body (1), valve rod (2) is equipped with spring (4), and spring (4) is located in the 1st blind hole (10), and spring (4) passes through the 1st
Position-arresting disk (3) and the limit of the 1st annular surface (18)；The lower section of valve rod (2) is equipped with sealing ring (5), and sealing ring (5) is located at the 3rd blind hole
(6) in, sealing ring (5) is fixed by the 2nd position-arresting disk (14) and the 3rd position-arresting disk (15), and sealing ring (5) is used to seal the 1st through-hole
(7) lower end outlet；When the lower section lateral force of valve rod (2) and when being pulled to side, valve rod (2) overcomes the elastic force of spring (4)
Run-off the straight, the conducting of the 1st through-hole (7)；When the lower section lateral force of valve rod (2) disappears, recovery bullet of the valve rod (2) in spring (4)
Under power effect, sealing ring (5) is by the lower end exit seal of the 1st through-hole (7).
2. a kind of brake pump valve according to claim 1, it is characterised in that: sealing ring (5) is truncated conical shape, valve body (1)
Inside is successively arranged from top to bottom to connect and the 4th concentric blind hole (16) and the 2nd through-hole (17), the diameter of the 4th blind hole (16)
Greater than the diameter of the 2nd through-hole (17), valve rod (2) passes through the 4th blind hole (16) and the 2nd through-hole (17), and the upper surface of sealing ring (5) is high
In the upper surface of the 2nd position-arresting disk (14), the annular upper end face of the 3rd position-arresting disk (15) and the lower end surface Elastic Contact of sealing ring (5).
3. a kind of brake pump valve according to claim 1 or claim 2, it is characterised in that: spring (4) is volute spring.
4. a kind of brake pump valve according to claim 3, it is characterised in that: the upper end of the valve rod (2) is equipped with internal screw thread
Blind hole, blind screw hole are screwed with screw (13), and the screw cap (21) that screw (13) upper end is equipped with is used as the 1st position-arresting disk (3).
5. a kind of brake pump valve according to claim 4, it is characterised in that: the outer surface of upper of the valve body (1) is six
The lower part of faceted pebble, the valve body (1) is cylindrical surface, and cylindrical surface is machined with external screw thread (12), and the inwall processing of the 1st blind hole (10) is
Internal screw thread (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813072.2U CN209705370U (en) | 2019-10-28 | 2019-10-28 | A kind of brake pump valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813072.2U CN209705370U (en) | 2019-10-28 | 2019-10-28 | A kind of brake pump valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705370U true CN209705370U (en) | 2019-11-29 |
Family
ID=68651896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921813072.2U Expired - Fee Related CN209705370U (en) | 2019-10-28 | 2019-10-28 | A kind of brake pump valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705370U (en) |
-
2019
- 2019-10-28 CN CN201921813072.2U patent/CN209705370U/en not_active Expired - Fee Related
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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: 20191129 Termination date: 20211028 |