CN203186333U - Oil-ejection-prevention device of hydraulic disk type brake master pump - Google Patents
Oil-ejection-prevention device of hydraulic disk type brake master pump Download PDFInfo
- Publication number
- CN203186333U CN203186333U CN 201320197659 CN201320197659U CN203186333U CN 203186333 U CN203186333 U CN 203186333U CN 201320197659 CN201320197659 CN 201320197659 CN 201320197659 U CN201320197659 U CN 201320197659U CN 203186333 U CN203186333 U CN 203186333U
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- China
- Prior art keywords
- catch
- oil
- return hole
- location
- brake master
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- Expired - Fee Related
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Abstract
The utility model relates to an oil-ejection-prevention device of a hydraulic disk type brake master pump. The oil-ejection-prevention device comprises a blocking piece which is used for blocking backflow braking oil in an oil return hole and a locating mounting seat which is used for locating and mounting the blocking piece. The blocking piece comprises a fixing part and a shielding part. The blocking piece is fixed on the locating mounting seat through the fixing part, the shielding part of the blocking piece is located above the oil return hole, and concave holes are distributed in the lateral face, facing towards the oil return hole, of the shielding part. Compared with the prior art, the oil-ejection-prevention device has the advantages of effectively blocking and buffering pressure oil at the position of the oil return hole, and preventing the pressure oil from flushing and damaging an oil cup mat. Besides, the service life of an oil cup is long, and braking is stable and reliable.
Description
Technical field
The utility model relates to the motor vehicle braking system technical field, is specifically related to a kind of grease proofing spray apparatus of hydraulic brake.
Background technology
The lubricating cup of hydraulic brake master cylinder pump in the market directly is processed to form by oil pump case, lubricating cup is communicated with the plunger cavity of last oil pump by fuel return hole, oilhole, the fuel return hole place does not have catch, when the brake solution in the back-plunger chamber is finished in brake will be returned lubricating cup, brake solution can be by upwards spray of fuel return hole, after long-time the use, brake solution can be washed away damage to the lubricating cup pad on the oil cup cap, causes the lubricating cup sealing unreliable; Exist brake solution easily to leak, the brake solution quantity not sufficient causes the brake control power deficiency, and braking distance is long, brings potential safety hazard to driving; When running into rainy day or carwash, the water capacity easily enters in the lubricating cup, because the brake solution hygroscopic character is strong, the water capacity easily enters in the plunger cavity, in brake rapidly or continuously in the brake process, the heat of brake is delivered to brake solution, makes the brake solution temperature rise, water generates aqueous vapor in the oil sharply expands serious meeting generation brake locking phenomenon; The defective that has sealing effectiveness difference between oil cup cap and the lubricating cup oral area simultaneously.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of brake solution that effectively prevents the grease proofing spray apparatus of the hydraulic brake master cylinder of splash to occur from the fuel return hole backflow.
For achieving the above object, the utility model provides following technical scheme: a kind of grease proofing spray apparatus of hydraulic brake master cylinder, it is characterized in that: include the location and installation seat for the catch that stops fuel return hole backflow brake solution and confession catch location and installation, described catch comprises fixed part and occlusion part, catch is fixed on the location and installation seat by fixed part, the occlusion part of catch is positioned at the fuel return hole top, and described occlusion part is densely covered with shrinkage pool towards a side of fuel return hole.
By adopting technique scheme, catch is set above fuel return hole, the occlusion part of catch can stop the brake solution of ejection in the fuel return hole, prevent that pressure oil from causing the infringement of lubricating cup pad to washing away of lubricating cup pad, improve the service life of lubricating cup pad, improve the sealing reliability of lubricating cup, guarantee that braking is reliable and stable; On the occlusion part shrinkage pool is set simultaneously, has the efficient buffer effect, slow down the impulsive force of brake solution, reduce splashing of brake solution.
The utility model further is set to: the fixed part center of described catch offers oil through, the fixed part edge is provided with some elastic cards that form greater than 90 degree that upwards turn down, and described location and installation seat is provided with the installation cavity that embeds and tighten through elastic card assembling for fixed part.
The installation cavity madial wall of described location and installation seat is provided with the draw-in groove that the elastic card for catch snaps in.
The flexure strip that described catch is made for the steel material, described catch thickness is 5mm to 10mm.
By adopting technique scheme, the location and installation of catch is reliable, and is stable, and the thickness of catch arranges the best simultaneously.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the hydraulic brake master cylinder structural representation with grease proofing spray apparatus of the utility model specific embodiment;
Fig. 2 is the baffle structure scheme drawing of the utility model specific embodiment.
The specific embodiment
As depicted in figs. 1 and 2, the grease proofing spray apparatus of the disclosed a kind of hydraulic brake master cylinder of the utility model includes the location and installation seat 4 for the catch 3 that stops fuel return hole 10 backflow brake solution and confession catch 3 location and installation; Described catch 3 comprises fixed part 30 and occlusion part 31, catch 3 is fixed on the location and installation seat 4 by fixed part 30, the occlusion part 31 of catch 3 is positioned at fuel return hole 10 tops, and described occlusion part 31 is densely covered with shrinkage pool 311 towards a side of fuel return hole 10, and shrinkage pool 311 is hemispherical-shaped aperture; Catch 3 is set above fuel return hole 10, the occlusion part 31 of catch 3 can stop the brake solution of ejection in the fuel return hole 10, prevents that pressure oil from causing the infringement of lubricating cup pad, the service life of improving the lubricating cup pad to washing away of lubricating cup pad, improve the sealing reliability of lubricating cup, guarantee that braking is reliable and stable; On the occlusion part 31 shrinkage pool 311 is set simultaneously, has the efficient buffer effect, slow down the impulsive force of brake solution, reduce splashing of brake solution.
In this specific embodiment, location and installation seat 4 is arranged on oil outlet 11 places, the fixed part 30 that location and installation seat 4 is provided with for catch 3 embeds the installation cavity of installing, fixed part 30 centers of catch 3 offer oil through 300, oil through 300 is corresponding with oil outlet 11 positions size, fixed part 30 edges are provided with some upwards turnovers and form the elastic card 301 of spending greater than 90, catch 3 is in fixed part 30 is inlaid in the installation cavity of location and installation 4, and the elastic card 301 on it is clamped on the location and installation seat 4 on the installation cavity madial wall.
For further guaranteeing that catch installs reliably, the installation cavity madial wall of described location and installation seat 4 is provided with the draw-in groove that the elastic card 300 for catch 3 snaps in.
In this specific embodiment, the flexure strip that described catch 3 is made for the steel material, described catch 3 thickness are 5mm to 10mm.
Claims (4)
1. the grease proofing spray apparatus of a hydraulic brake master cylinder, it is characterized in that: include the location and installation seat for the catch that stops fuel return hole backflow brake solution and confession catch location and installation, described catch comprises fixed part and occlusion part, catch is fixed on the location and installation seat by fixed part, the occlusion part of catch is positioned at the fuel return hole top, and described occlusion part is densely covered with shrinkage pool towards a side of fuel return hole.
2. according to the grease proofing spray apparatus of the described hydraulic brake master cylinder of claim 1, it is characterized in that: the fixed part center of described catch offers oil through, the fixed part edge is provided with some elastic cards that form greater than 90 degree that upwards turn down, and described location and installation seat is provided with the installation cavity that embeds and tighten through elastic card assembling for fixed part.
3. according to the grease proofing spray apparatus of the described hydraulic brake master cylinder of claim 2, it is characterized in that: the installation cavity madial wall of described location and installation seat is provided with the draw-in groove that the elastic card for catch snaps in.
4. according to the grease proofing spray apparatus of claim 1 or 2 or 3 described hydraulic brake master cylinders, it is characterized in that: the flexure strip that described catch is made for the steel material, described catch thickness is 5mm to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197659 CN203186333U (en) | 2013-04-18 | 2013-04-18 | Oil-ejection-prevention device of hydraulic disk type brake master pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197659 CN203186333U (en) | 2013-04-18 | 2013-04-18 | Oil-ejection-prevention device of hydraulic disk type brake master pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203186333U true CN203186333U (en) | 2013-09-11 |
Family
ID=49103213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320197659 Expired - Fee Related CN203186333U (en) | 2013-04-18 | 2013-04-18 | Oil-ejection-prevention device of hydraulic disk type brake master pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203186333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387610A (en) * | 2017-07-12 | 2017-11-24 | 浙江工贸职业技术学院 | A kind of automotive brake disc |
-
2013
- 2013-04-18 CN CN 201320197659 patent/CN203186333U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387610A (en) * | 2017-07-12 | 2017-11-24 | 浙江工贸职业技术学院 | A kind of automotive brake disc |
| CN107387610B (en) * | 2017-07-12 | 2019-02-26 | 浙江工贸职业技术学院 | A kind of automotive brake disc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130911 Termination date: 20190418 |