CN202686341U - Brake master pump with drum seal ring - Google Patents
Brake master pump with drum seal ring Download PDFInfo
- Publication number
- CN202686341U CN202686341U CN 201220324968 CN201220324968U CN202686341U CN 202686341 U CN202686341 U CN 202686341U CN 201220324968 CN201220324968 CN 201220324968 CN 201220324968 U CN201220324968 U CN 201220324968U CN 202686341 U CN202686341 U CN 202686341U
- Authority
- CN
- China
- Prior art keywords
- piston
- drum
- cylinder body
- seal ring
- push rod
- 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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- Braking Arrangements (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model discloses a brake master pump with a drum seal ring, which comprises a cylinder body, wherein the cylinder body is internally matched with a first piston and a second piston, a cavity is arranged in the second piston, a spring is arranged in the cavity, the front end of the first piston is fixedly connected with a push rod which is provided with a hexagon nut, a dustproof cover is arranged outside the push rod, the end part of the dustproof cover is clamped on the hexagon nut, the drum seal ring is arranged at the rear end of the first piston in a sleeving manner, and an oil inlet is formed in the cylinder body. According to the utility mode, the drum seal ring is sleeved at the rear end of the first piston to bear high pressure, and a large gap is arranged to supply oil, so that the use performance of the brake pump is greatly improved.
Description
Technical field
The utility model relates to the master brake cylinder field, specifically belongs to the master brake cylinder with drum-type sealing ring.
Background technology
The automobile master brake cylinder is the key position in the brake system of car, is the guarantee of ride safety of automobile, and the sealing member of traditional master brake cylinder all is arranged on the piston, the seal ring design is unreasonable, cause the repairing gap very little, do not utilize the work of master brake cylinder, product is short service life.
The utility model content
The purpose of this utility model provides a kind of master brake cylinder with drum-type sealing ring, adopts drum-shape sealing ring can bear high pressure, adopts the repairing of large gap, has greatly improved the in-use performance of brake pump.
The technical solution of the utility model is as follows:
Master brake cylinder with drum-type sealing ring, include cylinder body, be combined with first piston, the second piston in the described cylinder body, be provided with cavity in the second piston, be placed with spring in the cavity, the front end of first piston is fixedly connected with push rod, be set with hexagonal nut on the push rod, push rod is provided with dust boot outward, and the end of dust boot is placed in hexagonal nut, the rear end of first piston is set with drum-type sealing ring, has oil inlet on the cylinder body.
The front end sleeve of described first piston is equipped with secontary cup.
The rear end of first piston of the present utility model is set with drum-type sealing ring, adopts drum-shape sealing ring can bear high pressure, adopts the repairing of large gap, has greatly improved the in-use performance of brake pump.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Referring to accompanying drawing, with the master brake cylinder of drum-type sealing ring, include cylinder body 1, be combined with first piston 2, the second piston 3 in the cylinder body 1, be provided with cavity in the second piston 3, be placed with spring 4 in the cavity, the front end of first piston 2 is fixedly connected with push rod 5, be set with hexagonal nut 6 on the push rod 5, be provided with dust boot 7 outside the push rod 5, the end of dust boot 7 is placed in hexagonal nut, and the rear end of first piston 2 is set with drum-type sealing ring 8, have oil inlet on the cylinder body, the front end sleeve of first piston 2 is equipped with secontary cup 8.
Claims (2)
1. with the master brake cylinder of drum-type sealing ring, include cylinder body, it is characterized in that: be combined with first piston, the second piston in the described cylinder body, be provided with cavity in the second piston, be placed with spring in the cavity, the front end of first piston is fixedly connected with push rod, be set with hexagonal nut on the push rod, push rod is provided with dust boot outward, and the end of dust boot is placed in hexagonal nut, the rear end of first piston is set with drum-type sealing ring, has oil inlet on the cylinder body.
2. the master brake cylinder with drum-type sealing ring according to claim 1, it is characterized in that: the front end sleeve of described first piston is equipped with secontary cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324968 CN202686341U (en) | 2012-07-05 | 2012-07-05 | Brake master pump with drum seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324968 CN202686341U (en) | 2012-07-05 | 2012-07-05 | Brake master pump with drum seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202686341U true CN202686341U (en) | 2013-01-23 |
Family
ID=47541999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324968 Expired - Fee Related CN202686341U (en) | 2012-07-05 | 2012-07-05 | Brake master pump with drum seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202686341U (en) |
-
2012
- 2012-07-05 CN CN 201220324968 patent/CN202686341U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130705 |