CN208185298U - A kind of novel brake caliper piston - Google Patents
A kind of novel brake caliper piston Download PDFInfo
- Publication number
- CN208185298U CN208185298U CN201820535685.3U CN201820535685U CN208185298U CN 208185298 U CN208185298 U CN 208185298U CN 201820535685 U CN201820535685 U CN 201820535685U CN 208185298 U CN208185298 U CN 208185298U
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- China
- Prior art keywords
- piston
- heat dissipation
- blind hole
- dissipation blind
- brake caliper
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Abstract
The utility model discloses a kind of novel brake caliper pistons, including show columned piston only.One end of the piston only offers the plunger shaft with piston only coaxial arrangement, the other end of the piston only is provided with deep gouge, if offering three heat dissipation blind holes on the deep gouge, the heat dissipation blind hole is circumferentially uniformly distributed around the axis of piston only, and the heat dissipation blind hole is deep at 3/5ths of piston only；And the section of the heat dissipation blind hole is sector, the fan-shaped central angle of the heat dissipation blind hole of the sector is 90 °, it is connected by arc reinforcement part between the fan-shaped heat dissipation blind hole inner wall, and is provided with curved transition sections between the heat dissipation blind hole bottom surface and inner wall；And several annular grooves are provided on the side wall of the piston only.The brake caliper piston structure of the utility model is simple, proof strength while reduce weight, and there is good heat dissipation effect.
Description
Technical field
The utility model belongs to technical field of automobile accessories, is related to a kind of piston, in particular to a kind of brake caliper piston.
Background technique
Brake piston is the heart of automobile brake, bears the mechanical load and thermic load of alternation, is worked in brake caliper
One of worst key components and parts of condition.The function of piston is subject to fluid pressure, the pressure that brake-fluid is provided by brake pump
The piston of moving calipers is pushed, piston (inside spin can play the role of limiting displacement) pushes mandril, and mandril pushes friction again
Piece, friction plate contact generation friction with frictional disk to brake, and frictional disk and entirety are generally located at front-rear axle.The brake of automobile
Vehicle system includes clamp, preceding brake caliper piston and rear brake caliper piston with clamp cooperation；Its weight of existing brake caliper piston
It is heavier, if piston wall thickness is reduced, though energy loss of weight, structural strength decline and shorten service life.
Utility model content
In view of the deficienciess of the prior art, that the purpose of this utility model is to provide a kind of structural strengths is good light-weight
And the brake caliper piston that thermal diffusivity is good.
To achieve the above object, the utility model provides following technical solution: a kind of novel brake caliper piston, including
Show columned piston only.One end of the piston only offers the plunger shaft with piston only coaxial arrangement, described
The other end of piston only be provided with deep gouge, if offering three heat dissipation blind holes on the deep gouge, the heat dissipation is blind
Hole is circumferentially uniformly distributed around the axis of piston only, and the heat dissipation blind hole is deep at 3/5ths of piston only；And institute
The section for the heat dissipation blind hole stated is sector, and the fan-shaped central angle of the heat dissipation blind hole of the sector is 90 °, the fan-shaped heat dissipation
It is connected by arc reinforcement part between blind hole inner wall, and is provided with arc mistake between the heat dissipation blind hole bottom surface and inner wall
Cross portion；And several annular grooves are provided on the side wall of the piston only.
By using above-mentioned technical proposal, the other end of the piston only is provided with deep gouge, offers on deep gouge
If three heat dissipation blind holes, by the setting for the blind hole that radiates, the weight of piston only is alleviated, and it is not necessary that wall thickness is made light
It is thin, it ensure that the structural strength of piston only, in addition in braking process, heat is distributed by the blind hole that radiates, and not will lead to system
Hydrodynamic temperature rises, and ensure that brake efficiency, and the blind hole that radiates is provided on deep gouge and is avoided that installation interference, but also deep gouge packet
The region enclosed forms heat-dissipating space, convenient for the heat dissipation for the blind hole that radiates.Circumferential uniform point around the axis of piston only of the blind hole that radiates
Cloth, and the blind hole that radiates is deep at 3/5ths of piston only, while can ensure that the overall weight of piston only, it is ensured that living
The rigidity of structure of plug body.And the section of the heat dissipation blind hole is sector, the fan-shaped central angle of the heat dissipation blind hole of the sector
It is 90 °, is due to fan-shaped heat dissipation blind hole using fan-shaped heat dissipation blind hole without the heat dissipation blind hole using circle or other shapes
Area it is bigger, and structure than the shapes such as circle blind hole stablize, can guarantee the service performance of piston entirety.Fan-shaped heat dissipation is blind
It is connected by arc reinforcement part between the inner wall of hole, arc reinforcement part can also disappear while capable of improving the inner wall strength of heat dissipation blind hole
Except part stress, so that it is guaranteed that the stability of the inner wall of heat dissipation blind hole；And arc is provided between heat dissipation blind hole bottom surface and inner wall
Shape transition part, curved transition sections can improve the bonding strength between heat dissipation blind hole bottom surface and inner wall, to guarantee that heat dissipation blind hole is whole
Intensity, to further improve the integral strength of piston only.And if being provided on the side wall of the piston only
Dry annular groove can further ensure the weight of piston only by the setting of annular groove, and can also improve work by annular groove
The surface area of plug body, to improve heat dissipation performance.
The utility model is further arranged to: annular groove is offered on the piston only, and in the ring
It is arranged on connected in star there are three the gas vent come round with plunger shaft, the gas vent is not passed through heat dissipation blind hole.
By using above-mentioned technical proposal, a ring annular groove is offered on the piston only, and described
It is arranged on annular groove there are three the gas vent come round with plunger shaft, the setting of annular groove expands exhaust space, makes to be vented
It is smooth.And gas vent is not passed through heat dissipation blind hole, can ensure that the intensity of heat dissipation blind hole entirety, to ensure the practicability of piston only.
The utility model is further arranged to: being equipped in the piston only in the end edge of heat dissipation blind hole and is reinforced falling
Angle I, and the angle of the reinforcing chamfer I is 60 °.
By using above-mentioned technical proposal, it is equipped with reinforcing chamfer I in the end edge of heat dissipation blind hole in piston only, can be mentioned
High piston only is in the intensity of the end edge of heat dissipation blind hole, and reinforcing chamfer I plays guiding role, pacifies convenient for piston only
Dress.
The utility model is further arranged to: being equipped with and is reinforced in the edge of the end of plunger shaft in the piston only
Portion, the reinforcement part are made of reinforcement fillet and reinforcing chamfer II, and the radius of corner of the reinforcement fillet is 2mm, described
Reinforcing chamfer II angle be 15 °.
By using above-mentioned technical proposal, it is equipped with reinforcement part in the edge of the end of plunger shaft in the piston only,
And reinforcement part is made of reinforcement fillet and reinforcing chamfer II, by reinforcing the cooperation of fillet and reinforcing chamfer II, can improve piston
Ontology can eliminate the concentration of stress in the intensity of the end of plunger shaft, ensure that the practicability of piston only entirety.
Detailed description of the invention
Fig. 1 is the front view of the utility model embodiment；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the cross-sectional view in Fig. 2 at B-B；
Fig. 4 is the cross-sectional view in Fig. 2 at C-C；
Label and corresponding component names in attached drawing: 1- piston only, 2- deep gouge, 3- heat dissipation blind hole, 3a- arc are reinforced
Portion, 3b- curved transition sections, 4- annular groove, 5- gas vent, 6- reinforcing chamfer I, 7- reinforcement part, 7a reinforces fillet, 7b- reinforces
Chamfering II, 8- plunger shaft, 9- annular groove.
Specific embodiment
It is described further referring to figs. 1 to the one embodiment of Fig. 4 to the utility model.
A kind of novel brake caliper piston, including show columned piston only 1.It opens one end of the piston only 1
Equipped with the plunger shaft 8 being coaxially disposed with piston only 1, the other end of the piston only 1 is provided with deep gouge 2, described
If offering three heat dissipation blind holes 3 on deep gouge 2, the heat dissipation blind hole 3 is circumferentially uniformly distributed around the axis of piston only 1,
The heat dissipation blind hole 3 is deep at 3/5ths of piston only 1；And the section of the heat dissipation blind hole 3 is sector, the fan
The fan-shaped central angle of the heat dissipation blind hole 3 of shape is 90 °, passes through arc reinforcement part between fan-shaped 3 inner wall of heat dissipation blind hole
3a connection, and curved transition sections 3b is provided between 3 bottom surface of heat dissipation blind hole and inner wall；And in the piston only
Several annular grooves 9 are provided on 1 side wall.
The other end of the piston only 1 is provided with deep gouge 2, if offering three heat dissipation blind holes on deep gouge 2
3, by the setting for the blind hole 3 that radiates, the weight of piston only 1 is alleviated, and it is not necessary that wall thickness is made frivolous, ensure that piston
The structural strength of ontology 1, in addition in braking process, heat is distributed by the blind hole 3 that radiates, and not will lead on brake fluid temperature
It rises, ensure that brake efficiency, and the blind hole 3 that radiates is provided on deep gouge 2 and is avoided that installation interference, but also the area that deep gouge 2 surrounds
Domain forms heat-dissipating space, convenient for the heat dissipation for the blind hole 3 that radiates.Heat dissipation blind hole 3 is circumferentially uniformly distributed around the axis of piston only 1,
And heat dissipation blind hole 3 is deep at 3/5ths of piston only 1, while can ensure that the overall weight of piston only 1, it is ensured that living
The rigidity of structure of plug body 1.And the section of the heat dissipation blind hole 3 is sector, the fan-shaped center of circle of the heat dissipation blind hole 3 of the sector
Angle is 90 °, is due to fan-shaped heat dissipation using fan-shaped heat dissipation blind hole 3 without the heat dissipation blind hole 3 using circle or other shapes
The area of blind hole 3 is bigger, and structure is stablized than the blind hole of the shapes such as circle, can guarantee the service performance of piston entirety.Fan-shaped
By arc reinforcement part 3a connection between heat dissipation 3 inner wall of blind hole, arc reinforcement part 3a can improve the inner wall strength of heat dissipation blind hole 3
While can also eliminate part stress, so that it is guaranteed that heat dissipation blind hole 3 inner wall stability；And heat dissipation 3 bottom surface of blind hole with it is interior
Curved transition sections 3b is provided between wall, curved transition sections 3b can improve the bonding strength between heat dissipation 3 bottom surface of blind hole and inner wall,
To guarantee the whole intensity of heat dissipation blind hole 3, to further improve the integral strength of piston only 1.And in the piston
It is provided with several annular grooves 9 on the side wall of ontology 1, the weight of piston only 1 can be further ensured by the setting of annular groove 9
It measures, and the surface area of piston only 1 can also be improved by annular groove 9, to improve heat dissipation performance.
Annular groove 4 is offered on the piston only 1, and on the annular groove 4 setting there are three with
The gas vent 5 that plunger shaft 8 is come round, the gas vent 5 are not passed through heat dissipation blind hole 3.Lead on the piston only 1 and offers
One ring annular groove 4, and there are three the gas vent 5 come round with plunger shaft 8, annular grooves 4 for setting on the annular groove 4
Setting expand exhaust space, make smooth in exhaust.And gas vent 5 is not passed through heat dissipation blind hole 3, can ensure that heat dissipation blind hole 3 is whole
Intensity, to ensure the practicability of piston only 1.
Reinforcing chamfer I 6, and the reinforcing chamfer are equipped in the end edge of heat dissipation blind hole 3 in the piston only 1
I 6 angle is 60 °.By being equipped with reinforcing chamfer I 6 in the end edge of heat dissipation blind hole 3 in piston only 1, piston sheet can be improved
Body 1 is in the intensity of the end edge of heat dissipation blind hole 3, and reinforcing chamfer I 6 plays guiding role, installs convenient for piston only 1.
It is equipped with reinforcement part 7 at the edge of end of the piston only 1 in plunger shaft 8, the reinforcement part 7 is by reinforcing
Fillet 7a and II 7b of reinforcing chamfer is formed, and the radius of corner of the reinforcement fillet 7a is 2mm, II 7b's of reinforcing chamfer
Angle is 15 °.It is equipped with reinforcement part 7 by the edge of the end in the piston only 1 in plunger shaft 8, and reinforcement part 7 is by adding
Strong fillet 7a and II 7b of reinforcing chamfer is formed, and by reinforcing the cooperation of fillet 7a and II 7b of reinforcing chamfer, can improve piston only 1
Intensity in the end of plunger shaft 8, and the concentration of stress can be eliminated, ensure that the whole practicability of piston only 1
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field
Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model
It protects in range.
Claims (4)
1. a kind of novel brake caliper piston, including columned piston only (1) is shown, it is characterized in that: the piston only
(1) one end offers the plunger shaft (8) with piston only (1) coaxial arrangement, the other end setting of the piston only (1)
Have deep gouge (2), in the deep gouge (2) if on offer three heat dissipation blind holes (3), the heat dissipation blind hole (3) surrounds piston
The axis of ontology (1) is circumferentially uniformly distributed, and the heat dissipation blind hole (3) is deep at 3/5ths of piston only (1)；And it is described
The section of heat dissipation blind hole (3) be sector, the fan-shaped central angle of the heat dissipation blind hole (3) of sector is 90 °, the sector
It is connected by arc reinforcement part (3a) between heat dissipation blind hole (3) inner wall, and between the heat dissipation blind hole bottom surface and inner wall
It is provided with curved transition sections (3b)；And several annular grooves (9) are provided on the side wall of the piston only (1).
2. the novel brake caliper piston of one kind according to claim 1, it is characterized in that: on the piston only (1)
It offers annular groove (4), and there are three the gas vent (5) come round with plunger shaft, institutes for setting on the annular groove (4)
The gas vent (5) stated is not passed through heat dissipation blind hole (3).
3. the novel brake caliper piston of one kind according to claim 2, it is characterized in that: the piston only (1) in
The end edge of deep gouge (2) is equipped with reinforcing chamfer I (6), and the angle of the reinforcing chamfer I (6) is 60 °.
4. the novel brake caliper piston of one kind according to claim 3, it is characterized in that: the piston only (1) in
The edge of the end of plunger shaft (8) is equipped with reinforcement part (7), and the reinforcement part (7) is by reinforcement fillet (7a) and reinforcing chamfer II
(7b) composition, the radius of corner of the reinforcement fillet (7a) are 2mm, and the angle of the reinforcing chamfer II (7b) is 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820535685.3U CN208185298U (en) | 2018-04-16 | 2018-04-16 | A kind of novel brake caliper piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820535685.3U CN208185298U (en) | 2018-04-16 | 2018-04-16 | A kind of novel brake caliper piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208185298U true CN208185298U (en) | 2018-12-04 |
Family
ID=64433780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820535685.3U Active CN208185298U (en) | 2018-04-16 | 2018-04-16 | A kind of novel brake caliper piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208185298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667859A (en) * | 2019-01-03 | 2019-04-23 | 安徽科源机械有限公司 | A kind of heat dissipation brake piston |
-
2018
- 2018-04-16 CN CN201820535685.3U patent/CN208185298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667859A (en) * | 2019-01-03 | 2019-04-23 | 安徽科源机械有限公司 | A kind of heat dissipation brake piston |
| CN109667859B (en) * | 2019-01-03 | 2020-06-26 | 安徽科源机械有限公司 | Heat dissipation brake piston |
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