CN2797146Y - Braking pump of hydraulic disc type brake - Google Patents
Braking pump of hydraulic disc type brake Download PDFInfo
- Publication number
- CN2797146Y CN2797146Y CN 200520101662 CN200520101662U CN2797146Y CN 2797146 Y CN2797146 Y CN 2797146Y CN 200520101662 CN200520101662 CN 200520101662 CN 200520101662 U CN200520101662 U CN 200520101662U CN 2797146 Y CN2797146 Y CN 2797146Y
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- CN
- China
- Prior art keywords
- piston
- push rod
- pump body
- pump
- 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
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- Braking Arrangements (AREA)
- Regulating Braking Force (AREA)
Abstract
The utility model discloses a braking pump of a hydraulic disk type brake, which is composed of a pump body, a return spring, a piston and a push rod, wherein the piston is positioned in the pump body, the front end of the piston is pushed against the return spring and the rear end of the piston is connected with a spherical surface of the push rod. The middle part of the push rod is fixed on the tail end of the pump body by a plastic plug, and a knuckle pressing head is arranged on the upper part of the rear end of the pump body. The upper part of the knuckle pressing head is pivoted with the pump body through handle screw bolts, and the front side of the lower part of the knuckle pressing head has an inward recessed spherical surface connected with the spherical surface of the push rod. The rear side of the knuckle pressing head is fixed with a vehicle frame pushing rod. The push rod of the utility model can automatically regulate the force bearing direction of the piston during the course of rotating motion. Thus, the piston can always keep the minimal force bearing angle during the whole braking course. The utility model has the characteristics of prevention of the eccentric abrasion of the piston, reduction of the lateral component, enhancement of the braking efficiency, reduction of the cylinder diameter abrasion of the pump body and extension of the service life.
Description
Technical field:
The utility model relates to a kind of brake pump of motorcycle hydraulic disc type rear brake drg, particularly a kind of hydraulic brake.
Background technology:
The rear brake brake pump of existing motor bike all is a push-down, form by the pump housing, returning spring, piston and push rod, wherein piston is positioned at pump housing inside, its front end holds on returning spring, the rear end is connected with the push rod sphere, the push rod middle part is fixed on body end with plug, directly captives joint with the push rod of vehicle frame in the push rod rear end.Such structure, because of plug can arbitrary deformation, make at the glancing impact push rod to 360 ° of the circumference rotation arbitrarily of can having mercy on of the stress point of piston, thereby cause application force at the axis of the piston to very big and unstable through the same component, it is little when time thes be big, pump housing casing wall is produced certain impulsive force, make cylinder diameter form eccentric wear damage and generation oil leakage phenomenon, shortened the service life of brake pump greatly.In addition, want to eliminate this defective, then very high to the manufacturing technique requirent of vehicle frame, but this is difficult technological requirement to realize to domestic most of vehicle frame production unit.
The utility model content:
The purpose of this utility model be to provide a kind of make push rod can automatically regulating in rotary movement to the force direction that is subjected to of piston, make piston in whole braking procedure, remain the brake pump of minimum loading angle, have the advantages that to prevent the piston eccentric wear, reduce cross component raising brake efficiency, reduce the wearing and tearing of pump housing cylinder diameter and increase the service life.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of brake pump of hydraulic brake is made up of the pump housing, returning spring, piston and push rod, and wherein piston is positioned at pump housing inside, and its front end holds on returning spring, and the rear end is connected with the push rod sphere; The push rod middle part is fixed on body end with plug, and it is characterized in that: pump housing upper rear end is provided with a joint pressure head, articulates with the handle bolt between the pressure head top, described joint and the pump housing; Joint pressure head lower front side has concave spherical surface in, is connected with the push rod sphere; Joint pressure head rear side is captiveed joint with the vehicle frame push rod.
Be provided with one between arranged outside one baffle plate in the middle of the above-mentioned push rod, itself and piston and recover spring.
One groove is set on the above-mentioned baffle plate;
The axis angle of above-mentioned push rod and piston is 0 °～4 ° in entire work process.
Adopt above structure, brake pump is in the process of the power of transmission, on the one hand because the restriction of joint pressure head, the push rod that makes can only in one plane be swung, on the other hand because push rod and piston, push rod is connected with the sphere of two points alive of joint pressure head, what make push rod the plug by the middle part and spring can the automatically regulating pistons in rotary movement is subjected to force direction, make piston in whole braking procedure, remain best loading angle, thereby reduce the radial component of piston action power, the wearing and tearing of piston have been reduced to pump housing casing wall, prolong the service life of brake pump, also improved brake efficiency and the power that acts on piston simultaneously.
Description of drawings:
Fig. 1, perspective view of the present utility model;
Fig. 2, planar structure cutaway view of the present utility model.
The specific embodiment:
As illustrated in fig. 1 and 2, a kind of brake pump of hydraulic brake is made up of the pump housing 1, returning spring 2, piston 3 and push rod 4, wherein returning spring 2 and piston 3 are positioned at the pump housing 1 inside, described piston 3 front ends hold on returning spring 2, and there is concave spherical surface in a rear end, is connected with push rod 4 spheres; Push rod 4 rear middle part arranged outside one baffle plate 41 is provided with one and recovers spring 9 between its front end face and the piston 3; One groove 411 is set on the baffle plate 41, is used for push rod 4 usefulness plugs 5 are fixed on the pump housing 1 end.The pump housing 1 upper rear end is provided with a joint pressure head 6, and 1 of joint pressure head 6 tops and the pump housing articulate with handle bolt 7, the whole joint pressure head 6 that makes bolt 7 rotations of can only having mercy on.Pressure head 6 lower front side in joint are connected with push rod 4 spheres, thereby have limited push rod 4 in the axial swing of bolt 7; Pressure head 6 rear sides in joint are captiveed joint with vehicle frame push rod 8.
In entire work process, the axis angle of push rod 4 and piston 3 is 0 °～4 °, when being subjected to vehicle frame push rod 8, joint pressure head 6 does the time spent, 6 rich bolt 7 rotations of joint pressure head, push away before driving push rod 4, because push rod 4 and piston 3, push rod 4 is connected with two the some spheres of living that are connected to of joint pressure head 6, make the elastic force of the distortion of push rod 4 plug 5 by the middle part in rotary movement and spring come the force direction that is subjected to of automatic adjusting piston 3, make piston 3 in whole braking procedure, remain best loading angle, under the situation of same function power, reduced the radial component of piston 3 application forces, and increased its axial component, thus reduced the wearing and tearing of 3 pairs of pump housing casing walls of piston, avoid taking place oil leakage phenomenon, prolong the service life of brake pump, also improved brake efficiency and the power that acts on the piston simultaneously.
Claims (4)
1, a kind of brake pump of hydraulic brake is made up of the pump housing, returning spring, piston and push rod, and wherein piston is positioned at pump housing inside, and its front end holds on returning spring, and the rear end is connected with the push rod sphere; The push rod middle part is fixed on body end with plug, and it is characterized in that: pump housing upper rear end is provided with a joint pressure head, articulates with the handle bolt between the pressure head top, described joint and the pump housing; Joint pressure head lower front side has concave spherical surface in, is connected with the push rod sphere; Joint pressure head rear side is captiveed joint with the vehicle frame push rod.
2, the brake pump of above-mentioned a kind of hydraulic brake as claimed in claim 1 is characterized in that: be provided with one between arranged outside one baffle plate in the middle of the described push rod, itself and piston and recover spring.
3, the brake pump of above-mentioned a kind of hydraulic brake as claimed in claim 2 is characterized in that: a groove is set on the described baffle plate.
4, the brake pump of above-mentioned a kind of hydraulic brake as claimed in claim 1, it is characterized in that: the axis angle of described push rod and piston is 0 ° in entire work process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101662 CN2797146Y (en) | 2005-04-18 | 2005-04-18 | Braking pump of hydraulic disc type brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101662 CN2797146Y (en) | 2005-04-18 | 2005-04-18 | Braking pump of hydraulic disc type brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797146Y true CN2797146Y (en) | 2006-07-19 |
Family
ID=36868381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101662 Expired - Fee Related CN2797146Y (en) | 2005-04-18 | 2005-04-18 | Braking pump of hydraulic disc type brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797146Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813336A (en) * | 2016-09-12 | 2018-03-20 | 杭州国辰正域科技有限公司 | Hydraulic locking revolute joint |
-
2005
- 2005-04-18 CN CN 200520101662 patent/CN2797146Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813336A (en) * | 2016-09-12 | 2018-03-20 | 杭州国辰正域科技有限公司 | Hydraulic locking revolute joint |
| CN107813336B (en) * | 2016-09-12 | 2024-01-30 | 仙居行至科技有限公司 | Hydraulic locking rotary joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |