CN206636956U - A kind of drum brakes system - Google Patents
A kind of drum brakes system Download PDFInfo
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- CN206636956U CN206636956U CN201720250548.0U CN201720250548U CN206636956U CN 206636956 U CN206636956 U CN 206636956U CN 201720250548 U CN201720250548 U CN 201720250548U CN 206636956 U CN206636956 U CN 206636956U
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- brake block
- brake
- section
- longitudinal cross
- gusset
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Abstract
Technical field of automobile parts is the utility model is related to, more particularly to a kind of drum brakes system.Including brake rim, the brake block installed in brake rim inner circle and the gusset with brake block frictional connection that longitudinal cross-section is annulus；The longitudinal cross-section of the brake block is arc, and the extrados of the brake block is bonded with the inner headed face of brake rim；For the link of boards in brake pump wheel cylinder, the joint face of the gusset and brake block is radian and brake block intrados identical arcwall face；The outer arc length of the brake block longitudinal cross-section is equal with inner arc length, and the outer arc radius of the brake block longitudinal cross-section is the 90 95% of the interior arc radius of the brake block longitudinal cross-section.The middle part of brake block is slightly thicker than both sides, correspondingly improve the structure of gusset, make brake block uniformly, be sufficiently worn off, improve the utilization rate of brake block, so as to increase the service life of brake block, save the use cost of drum brakes system.
Description
Technical field
Technical field of automobile parts is the utility model is related to, more particularly to a kind of drum brakes system.
Background technology
General drum brakes system is made up of brake rim, brake block, brake pump and gusset etc., and drum brakes system has certainly
Dynamic tight effect of stopping, brake system is used relatively low oil pressure, or use the diameter brake rim more much smaller than brake disc；
The part of drum brakes system, processing is relatively simple with forming, and has more cheap manufacturing cost, is more applied small
The trailing wheel of type car, but its rate of wear is higher, particularly brake block, when abrasion to a certain extent when, it is necessary to the brake more renewed
Piece.
The core component of drum brakes system is brake rim and brake block, and the China of Application No. 201410761818.5 is specially
Profit discloses a kind of brake rim, is socketed metal cavitg in the outer wall of brake rim, coolant is filled with the metal cavitg, described
Thermally conductive sheet is additionally provided with metal cavitg, setting is jagged in the side of the metal cavitg, and the thermally conductive sheet is provided with heat conduction
Branch piece, with the purpose for reaching the cooling of drum brakes system, preventing explosion；
And existing drum-type brake pad is usually the arc brake piece of uniform thickness, the extrados fitting brake rim of brake block, muscle
The frictional force that plate is bonded brake block intrados in the presence of brake pump wheel cylinder produces braking effect, in the middle part of brake block
Thickness is identical with the thickness on both sides, and the extrados radian of brake block is identical with intrados radian, and in gusset needs and brake block
Cambered surface is bonded, and is designed as having and brake block intrados identical radian；But existing drum brakes system is in actual use one
After the section time, the abrasion for finding brake block is not uniform, and often the degree of wear in the middle part of brake block is larger, is occurred middle
It is thin, the thick situation in both sides, and in the middle part of brake block abrasion to a certain extent when, it is necessary to brake block is changed, in order to avoid gusset touches brake
Drum, causes drum brakes system injury；And the brake block both sides under changing are still thicker, do not worn fully, cause to waste.
Utility model content
Technical problem to be solved in the utility model is：A kind of drum brakes system is provided, to brake block intrados arc
Degree is improved, and correspondingly improves the extrados radian of gusset, solves in existing drum brakes system that brake block can not be uniform
Wear and wasting problem.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of drum brakes system, including
Longitudinal cross-section is brake rim, the brake block installed in brake rim inner circle and the gusset with brake block frictional connection of annulus；
The longitudinal cross-section of the brake block is arc, and the extrados of the brake block is bonded with the inner headed face of brake rim；
For the link of boards in brake pump wheel cylinder, the joint face of the gusset and brake block is radian and brake block inner arc
Face identical arcwall face；
The outer arc length of the brake block longitudinal cross-section is equal with inner arc length, and the outer arc radius of the brake block longitudinal cross-section is
The 90-95% of the interior arc radius of the brake block longitudinal cross-section.
Further, the outer arc radius of the brake block longitudinal cross-section is the interior arc radius of the brake block longitudinal cross-section
94%.
Further, the outer arc radius of the brake block longitudinal cross-section is 150mm, the inner arc of the brake block longitudinal cross-section
Radius is 160mm.
Further, the material of the brake block is ceramics.
The beneficial effects of the utility model are：A kind of drum brakes system is the utility model is related to, to the shape of brake block
Shape is improved, and the radian of the intrados of brake block is more than the radian of extrados, the middle part of brake block is slightly thicker than both sides, phase
Answer ground to improve the joint face of gusset and brake block, the intrados radian identical arcwall face of radian and brake block is designed as, in car
Braking when, brake pump wheel cylinder jack up gusset, make gusset be bonded brake block intrados, rubbed, above-mentioned drum brakes system
In use for some time, brake block uniform wear, the thickness approximately equal in the middle part of brake block makes brake to system in the thickness on both sides
Piece is sufficiently worn, and improves the utilization rate of brake block, so as to increase the service life of brake block, saves drum brakes system
The use cost of system.
Brief description of the drawings
Fig. 1 is a kind of structural representation of drum brakes system of the utility model embodiment；
Label declaration：
1st, brake block；11st, extrados；12nd, intrados；2nd, brake rim；
3rd, gusset；4th, brake pump wheel cylinder.
Embodiment
For detailed description technology contents of the present utility model, the objects and the effects, below in conjunction with embodiment and match somebody with somebody
Accompanying drawing is closed to be explained.
The design of the utility model most critical is：A kind of drum brakes system, is improved to the shape of brake block, makes
The radian of the intrados of brake block is more than the radian of extrados, the middle part of brake block is slightly thicker than both sides, correspondingly improves gusset
With the structure of brake block contact surface, make brake block uniformly, be sufficiently worn off, improve the utilization rate of brake block, so as to increase stop
The service life of car piece, save the use cost of drum brakes system.
Refer to Fig. 1, a kind of drum brakes system, including longitudinal cross-section be annulus brake rim 2, installed in brake rim 2
The brake block 1 of inner circle and the gusset 3 with the frictional connection of brake block 1；
The longitudinal cross-section of the brake block 1 is arc, and the extrados 11 of the brake block 1 pastes with the inner headed face of brake rim
Close；
The gusset 3 is connected to brake pump wheel cylinder 4, and the joint face of the gusset 3 and brake block 1 is radian and brake block
The identical arcwall face of 1 intrados 12；
The outer arc length of the longitudinal cross-section of brake block 1 is equal with inner arc length, the outer arc radius of the longitudinal cross-section of brake block 1
For the 90-95% of the interior arc radius of the brake block longitudinal cross-section.
Above-mentioned drum brakes system, is improved to the shape of brake block, makes the radian of intrados of brake block more than outer
The radian of cambered surface, the middle part of brake block is slightly thicker than both sides, correspondingly improve the joint face of gusset and brake block, be designed as radian
With the intrados radian identical arcwall face of brake block, when vehicle is braked, brake pump wheel cylinder jacks up gusset, is bonded gusset
Brake block intrados, is rubbed, above-mentioned drum brakes system in use for some time, brake block uniform wear, brake block
The thickness approximately equal at middle part makes brake block sufficiently be worn, improves the utilization rate of brake block in the thickness on both sides, from
And increase the service life of brake block, save the use cost of drum brakes system.
Further, the outer arc radius of the longitudinal cross-section of brake block 1 is the interior arc radius of the brake block longitudinal cross-section
94%.It is preferred that the radian ratio of the internal and external cambered surface of brake block, makes the abrasion of brake block reach the higher uniformity, further carries
The utilization rate of high brake block.
Further, the outer arc radius of the longitudinal cross-section of brake block 1 is 150mm, the longitudinal cross-section of brake block 1 it is interior
Arc radius is 160mm.
Further, the material of the brake block 1 is ceramics；Ceramic brake declines relative to metal brake block with heat
Move back small, service life length, the advantages of damage of mating plate is small, and noise is low.
Embodiment 1
Refer to Fig. 1, a kind of drum brakes system, including longitudinal cross-section be annulus brake rim 2, installed in brake rim 2
The brake block 1 of inner circle and the gusset 3 with the frictional connection of brake block 1；The longitudinal cross-section of the brake block 1 is arc, the brake
The extrados of car piece 1 is bonded with the inner headed face of brake rim 2；The gusset 3 is connected to brake pump wheel cylinder 4, and the gusset 3 is with stopping
The joint face of car piece 1 is radian and the identical arcwall face of brake block intrados 12；The outer arc length of the longitudinal cross-section of brake block 1 with
Inner arc length is equal, and the outer arc radius of the longitudinal cross-section of brake block 1 is the interior arc radius of the longitudinal cross-section of brake block 1
90%；The gusset 3 is supported by brake pump wheel cylinder 4, by the extension and contraction control gusset 3 and brake block 1 of brake pump wheel cylinder 4
Cambered surface is bonded or separation；The material of the brake block 1 is ceramics.
Embodiment 2
Fig. 1 is refer to, a kind of drum brakes system, its feature is same as Example 1, the longitudinal cross-section of brake block 1
Outer arc radius is the 95% of the interior arc radius of the brake block longitudinal cross-section.
Embodiment 3
Fig. 1 is refer to, a kind of drum brakes system, its feature is same as Example 1, the longitudinal cross-section of brake block 1
Outer arc radius is the 94% of the interior arc radius of the brake block longitudinal cross-section.
Embodiment 4
Refer to Fig. 1, a kind of drum brakes system, including longitudinal cross-section be annulus brake rim 2, installed in brake rim 2
The brake block 1 of inner circle and the gusset 3 with the frictional connection of brake block 1；The longitudinal cross-section of the brake block 1 is arc, the brake
The extrados 11 of car piece 1 is bonded with the inner headed face of brake rim 2；The gusset 3 is connected to brake pump wheel cylinder 4, the gusset 3 with
The joint face of brake block 1 is radian and the identical arcwall face of 1 intrados of brake block 12；The outer arc of the longitudinal cross-section of brake block 1
Length is equal with inner arc length, and the outer arc radius of the longitudinal cross-section of brake block 1 is 150mm, the inner arc of the longitudinal cross-section of brake block 1
Radius is 160mm；The gusset 3 is supported by brake pump wheel cylinder 4, by the extension and contraction control gusset 3 of brake pump wheel cylinder 4 with stopping
The intrados of car piece 1 is bonded or separation；The material of the brake block 1 is ceramics.
In summary, drum brakes system provided by the utility model, is improved to the shape of brake block, makes brake block
Intrados radian be more than extrados radian, the middle part of brake block be slightly thicker than both sides, correspondingly improve gusset with brake
The joint face of piece, the intrados radian identical arcwall face of radian and brake block is designed as, when vehicle is braked, brake pump point
Pump jack up gusset, make gusset be bonded brake block intrados, rubbed, above-mentioned drum brakes system in use for some time,
Brake block uniform wear, the thickness approximately equal in the middle part of brake block make brake block sufficiently be worn, carried in the thickness on both sides
The high utilization rate of brake block, so as to increase the service life of brake block, saves the use cost of drum brakes system.It is preferred that stop
The radian ratio of the internal and external cambered surface of car piece, the abrasion of brake block is reached the higher uniformity, further improve the profit of brake block
With rate.The material of the brake block is ceramics；Ceramic brake is relative to metal brake block, service life small with heat fading
It is long, the advantages of damage of mating plate is small, and noise is low.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, similarly it is included in scope of patent protection of the present utility model.
Claims (4)
1. a kind of drum brakes system, it is characterised in that including longitudinal cross-section for the brake rim of annulus, installed in brake rim inner circle
The brake block at place and the gusset with brake block frictional connection；
The longitudinal cross-section of the brake block is arc, and the extrados of the brake block is bonded with the inner headed face of brake rim；
For the link of boards in brake pump wheel cylinder, the joint face of the gusset and brake block is radian and brake block intrados phase
Same arcwall face；
The outer arc length of the brake block longitudinal cross-section is equal with inner arc length, and the outer arc radius of the brake block longitudinal cross-section is described
The 90-95% of the interior arc radius of brake block longitudinal cross-section.
2. drum brakes system according to claim 1, it is characterised in that the outer arc radius of the brake block longitudinal cross-section
For the 94% of the interior arc radius of the brake block longitudinal cross-section.
3. drum brakes system according to claim 1, it is characterised in that the outer arc radius of the brake block longitudinal cross-section
For 150mm, the interior arc radius of the brake block longitudinal cross-section is 160mm.
4. drum brakes system according to claim 1, it is characterised in that the material of the brake block is ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250548.0U CN206636956U (en) | 2017-03-15 | 2017-03-15 | A kind of drum brakes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250548.0U CN206636956U (en) | 2017-03-15 | 2017-03-15 | A kind of drum brakes system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636956U true CN206636956U (en) | 2017-11-14 |
Family
ID=60248950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720250548.0U Expired - Fee Related CN206636956U (en) | 2017-03-15 | 2017-03-15 | A kind of drum brakes system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763305A (en) * | 2017-03-15 | 2017-05-31 | 福建安翔汽车配件有限公司 | A kind of drum brakes system |
-
2017
- 2017-03-15 CN CN201720250548.0U patent/CN206636956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763305A (en) * | 2017-03-15 | 2017-05-31 | 福建安翔汽车配件有限公司 | A kind of drum brakes system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |