CN105545998B - New-energy automobile disc brake pad - Google Patents
New-energy automobile disc brake pad Download PDFInfo
- Publication number
- CN105545998B CN105545998B CN201610140798.9A CN201610140798A CN105545998B CN 105545998 B CN105545998 B CN 105545998B CN 201610140798 A CN201610140798 A CN 201610140798A CN 105545998 B CN105545998 B CN 105545998B
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- China
- Prior art keywords
- new
- energy automobile
- brake pad
- brake
- disc brake
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/853—Features relating to cooling for disc brakes with closed cooling system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of new-energy automobile disc brake pads, including, braking surface and cooling device, the cooling device fit in the outer surface of the braking surface；The cooling device is formed by multiple cooling units series connection connection；The cooling unit includes metallic walls liquid storage chamber and rubber wall liquid storage chamber.To which to solve existing new-energy automobile disc brake pad heat dissipation performance poor by the present invention, easily loss, poor durability the problem of.By good heat radiating device, thus, improve the stability and reliability of brake block.The overall security of motor vehicle is improved, and reduces the use and maintenance cost of motor vehicle.
Description
Technical field
The present invention relates to the production of motor vehicle spare and accessory parts and application field more particularly to new-energy automobile disc brake pads.
Background technique
The braking system of motor vehicles is used and improved in motor vehicle as the component part of motor vehicle control system
It is particularly important in the process.In existing motor vehicle braking systems, generallys use brake disc and add the structure of brake block at wheel
Fast braking is carried out, in the implementation process of this mode of braking, brake disc is co-axially mounted with wheel, and brake block is set in pairs
The front and rear sides face of brake disc, at the one side edge of brake disc.When being braked, control brake block is inwardly transported
It is dynamic, step up brake disc from the front and rear sides face of brake disc, to make wheel stop motion.But in above-mentioned braking process, due to
Brake block is in high-speed rotating brake disc instantaneous touch, and therefore, instantaneous touch power is larger, thus, easily in brake block
Biggish stress is formed on braking surface to apply, and is especially especially highlighted in the phenomenon that edge of brake block, stress accumulation, and lead
Brake-block temperature is caused extremely to increase, so that brake block reduced performance, leads to security risk.In addition, in the long-term moment of brake block
High temperature wear is in use, due to continued wear under brake block 10 and the condition of high temperature of brake disc 50 circumferentially, to cause
The surface of brake disc 50 forms circular pit 51, while the edge for also resulting in brake block 10 forms abrasion, the shape of brake disc
For shown in Fig. 8.After brake block 10 is replaced, due to assembly etc., new clothes with brake block 10 and worn-out brake disc without
Method is fully mated, shown in Fig. 9, brake block 10 and the real contact area of brake disc 50 is made to become smaller, to make brake failure, and easily
It causes to scratch in brake disc surface.The above variety of problems, the stability for resulting in braking system in the prior art is poor, reliability
It is low, the high problem of security risk.
Summary of the invention
The object of the present invention is to provide new-energy automobile disc brake pads, solve existing new-energy automobile disc brake pad
Heat dissipation performance is poor, and high temperature wear is fast, and then the problem of lead to poor durability.
In order to achieve the above object, new-energy automobile disc brake pad of the invention, including, braking surface and cooling device,
The cooling device fits in the outer surface of the braking surface；The cooling device is formed by multiple cooling units series connection connection；
The cooling unit includes metallic walls liquid storage chamber and rubber wall liquid storage chamber.
Wherein, the two sides of the braking surface include fillet surface.
In a preferred embodiment, the two sides include inner side edge and outer side edges；The inner side edge is described
After brake block and brake disc assembly, the corresponding sides in the middle part of the brake block and the brake disc；The outer side edges are the brake
After piece and brake disc assembly, the corresponding sides of the brake block and the brake plate edge.
In a preferred embodiment, the two sides include upper enclosed edge and lower enclosed edge, the upper enclosed edge
Side is connected for the side of the inner side edge and outer side edges；The lower enclosed edge is the other side connection of the inner side edge and outer side edges
Side.
In a preferred embodiment, the fillet surface is convex outward.
In a preferred embodiment, the chamfer angle of the fillet surface are as follows: 60 °, 45 ° or 30 °.
In a preferred embodiment, the chamfering length of the fillet surface are as follows: 1mm, 3mm or 4mm.
In a preferred embodiment, further includes: liner bottom plate, the liner bottom plate and the brake block bottom are solid
Fixed connection.
In a preferred embodiment, the junction of the liner bottom plate and the brake block bottom, also opens up resistance
Buddhist nun's slot.
In a preferred embodiment, further includes: flexible damped ring, the flexibility damped ring and the damping slot
Shape is corresponding, is assemblied in the flexible damping slot.
New-energy automobile disc brake pad beneficial effect of the invention is: by the way that radiator is arranged, reducing new energy
Automobile disc brake pad is chronically at the number of instantaneous high-temperature state of wear, and in turn in the edge chamfering knot of braking surface
Structure makes the local stress of brake block obtain effective dispersion, it therefore reduces the stress raisers of brake block braking surface,
Keep brake block stress more average.Meanwhile brake block can be made can also to carry out good cooperation with worn-out brake disc after replacement.
To improve the whole stability and reliability of brake block and motor vehicle, and reduce motor vehicle use and repair at
This.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is in one embodiment of the present invention, and new-energy automobile disc brake pad is opened up in inner side edge and outer side edges
The structural schematic diagram of chamfering；
Fig. 2 is in one embodiment of the present invention, and new-energy automobile disc brake pad is opened up in upper side edge and lower side
The structural schematic diagram of chamfering；
Fig. 3 is the diagrammatic cross-section of B-B direction in Fig. 1 in one embodiment of the present invention；
Fig. 4 is the diagrammatic cross-section of B-B direction in Fig. 1 in another embodiment of the present invention；
Fig. 5 be one embodiment of the present invention in, in Fig. 2 A-A to diagrammatic cross-section；
Fig. 6 be another embodiment of the present invention in, in Fig. 2 A-A to diagrammatic cross-section；
Fig. 7 is the diagrammatic cross-section of B-B direction in Fig. 1 in another embodiment of the invention；
Fig. 8 is the use state diagram of vehicle brake piece in the prior art；
Fig. 9 is another use state diagram of vehicle brake piece in the prior art；
Figure 10 is the use state diagram of brake block in the present invention.
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
1~10 pair of a specific embodiment of the invention is described further with reference to the accompanying drawing.
As shown in a kind of structural schematic diagram of the new-energy automobile disc brake pad of preferred embodiment of the invention in Fig. 1,2,
Wherein in Fig. 1 schematic diagram, for the structural schematic diagram after present invention setting cooling device.Details for the ease of observing in Fig. 2 changes
Become, the cooling device in Fig. 2 is omitted, is not drawn in figure.Emphasis is to illustrate chamfering structure in Fig. 3-7, is carried out
When cross section view, cooling device is omitted.The one side of unilateral brake block 10 is braking surface 11, and cooling device fits in the system
The outer surface in dynamic face 11；Cooling device is formed by multiple cooling units 7 series connection connection；The cooling unit 7 is deposited including metallic walls
Sap cavity and rubber wall liquid storage chamber.In the prior art, due to temperature moment rising after brake block braking, cause to brake under piece performance
Drop causes security risk.The present invention is bonded cooling device on braking surface 11 thus, is reduced by the coolant liquid in cooling device
The temperature of new-energy automobile disc brake pad is made it avoid being increased due to new-energy automobile disc brake pad temperature moment, is led
The problem of reduced performance of cause, occurs.But coolant liquid has respective volume expansion after heated, to avoid the heating of its moment swollen
It is swollen, cause 7 portion of cooling device to be split up, the filling coolant liquid in cooling device can reserve a fixed gap accordingly, to protect
Coolant liquid is demonstrate,proved when rapidly heating up, cooling device will not be damaged.In order to solve the above technical problems, the present invention is by cooling device by more
A series connection of cooling unit 7 connection forms；The cooling unit 7 includes that metallic walls liquid storage chamber and rubber wall liquid storage chamber, metallic walls are deposited
The structure material of sap cavity is metal, preferably brass.The structure material of rubber wall liquid storage chamber is rubber.When normal vehicle operation mistake
Cheng Zhong, coolant liquid can it is void-free it is filling circulated in cooling device, ensure that the inner cavity same volume of cooling device
Under product, the amount of liquid of coolant liquid is sufficient.If emergency brake occurs, new-energy automobile disc brake pad temperature is rapidly increased, cooling
Temperature rises liquid therewith, and volume face is big, supports big rubber wall liquid storage chamber, and cooling device caused by coolant liquid instantaneous expansion is avoided to damage
It is bad.And in rubber wall liquid storage chamber itself expansion process, so that coolant rate increases, rate of heat dispation is also accelerated therewith.
Wherein, braking surface 11 includes the edge fillet surface 12 of corresponding two sides in four sides.The braking surface 11
Two sides respectively include, inner side edge 31 and outer side edges 32 and upper enclosed edge 41 and lower enclosed edge 42.As shown in Figure 1, in inside
The situation of fillet surface 12 is opened up on side 31 and outer side edges 32.Wherein, it after inner side edge 31 is brake block 10 and the assembly of brake disc 50, stops
The corresponding sides at 50 middle part of vehicle piece 10 and brake disc；Outer side edges 32 are brake block 10 and brake after brake block 10 and the assembly of brake disc 50
The corresponding sides at 50 edge of hull.As shown in Fig. 2, opening up the situation of fillet surface 12 in upper enclosed edge 41 and lower enclosed edge 42.Its
In, upper enclosed edge 41 connect side with the side of outer side edges 32 for inner side edge 31；Lower enclosed edge 42 is inner side edge 31 and outer side edges 32
The other side connect side.Above-mentioned fillet surface 12 can select a variety of chamfering modes, as shown in Figure 1, working as according to actual stress analysis
When opening up fillet surface 12 on inner side edge 31 and outer side edges 32, as shown in figure 3, the chamfer angle of fillet surface 12 is preferable are as follows:
60 °, 45 ° or 30 °, as a preferred solution of the present invention, the chamfering length of fillet surface 12 are as follows: 1mm, 3mm or 4mm.Or
As shown in figure 4, its fillet surface 12 is convex outward.As shown in Fig. 2, when opening up chamfering in upper enclosed edge 41 and lower enclosed edge 42
When face 12, as shown in figure 5, the chamfer angle of fillet surface 12 is preferable are as follows: 60 °, 45 ° or 30 °, preferably as one kind of the invention
Scheme, the chamfering length of fillet surface 12 are as follows: 1mm, 3mm or 4mm.Or as shown in fig. 6, its fillet surface 12 is convex outward.?
Liner bottom plate 20 is welded and fixed in the bottom of brake block 10, and 10 thickness of brake block is preferable are as follows: 15~17mm.Above-mentioned brake block 10
And high-quality steel can be selected for the material of liner bottom plate 20 and alloy material is given and made.
It follows that as shown in Figure 10, the brake block in the present invention can be with after being assemblied in worn-out brake disc 50
Worn-out brake disc 50 forms preferable cooperation, to ensure that effective contact area, this improves brake process
Reliability and safety.
To make vehicle in braking process, generated noise is lower and increases local bonding strength, of the invention one
In kind embodiment, as shown in fig. 7, the junction of liner bottom plate 20 and 10 bottom of brake block, also opens up damping slot 61.It is damping
The mounted inside flexibility damped ring 60 of slot 61.Its flexible damped ring 60 is corresponding to the shape of damping slot 61.Its flexible damped ring 60
Preferable polyurethane material, which is given, to be made, to improve local bonding strength, and inhibits local vibrations (i.e. liner bottom plate
20 with the vibration of the junction of 10 bottom of brake block) and noise generation, improve liner bottom plate 20 and 10 bottom of brake block
Bonding strength and durability lower and generate the case where vibration is snapped.
To which new-energy automobile disc brake pad of the invention is by the edge chamfering structure in braking surface, make to brake
The local stress of piece has obtained effective dispersion, it therefore reduces the stress raisers of brake block braking surface, make brake block by
Power is more average, thus, improve the stability and reliability of brake block.The overall security of motor vehicle is improved, and is reduced
The use of motor vehicle and maintenance cost
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. new-energy automobile disc brake pad, including, braking surface, which is characterized in that it further include cooling device, the cooling dress
Set the outer surface for fitting in the braking surface；The cooling device is formed by multiple cooling units series connection connection；It is described cooling single
Member includes metallic walls liquid storage chamber and rubber wall liquid storage chamber, is connected between the metallic walls liquid storage chamber and rubber wall liquid storage chamber, is formed
One liquid storage chamber.
2. new-energy automobile disc brake pad according to claim 1, which is characterized in that wrap the two sides of the braking surface
It includes, fillet surface.
3. new-energy automobile disc brake pad according to claim 2, which is characterized in that the two sides include inside
Side and outer side edges；The inner side edge is after the brake block is assembled with brake disc, in the middle part of the brake block and the brake disc
Corresponding sides；The outer side edges are the brake block with after brake disc assembly, and the brake block is corresponding with the brake plate edge
Side.
4. new-energy automobile disc brake pad according to claim 3, which is characterized in that the two sides include upper envelope
Side and lower enclosed edge are closed, the upper enclosed edge is the side connection side of the inner side edge and outer side edges；The lower enclosed edge is institute
State the other side connection side of inner side edge and outer side edges.
5. new-energy automobile disc brake pad according to claim 2, which is characterized in that the fillet surface is outer evagination
Face.
6. new-energy automobile disc brake pad according to claim 2, which is characterized in that the chamfer angle of the fillet surface
Are as follows: 60 °, 45 ° or 30 °.
7. new-energy automobile disc brake pad according to claim 6, which is characterized in that the chamfering length of the fillet surface
Are as follows: 1mm, 3mm or 4mm.
8. new-energy automobile disc brake pad according to claim 2, which is characterized in that further include: liner bottom plate, it is described
Liner bottom plate is fixedly connected with the brake block bottom.
9. new-energy automobile disc brake pad according to claim 8, which is characterized in that the liner bottom plate and the brake
The junction of vehicle piece bottom, also opens up damping slot.
10. new-energy automobile disc brake pad according to claim 9, which is characterized in that further include: flexible damped ring,
The flexibility damped ring is corresponding to the shape of the damping slot, is assemblied in the flexible damping slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140798.9A CN105545998B (en) | 2016-03-11 | 2016-03-11 | New-energy automobile disc brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140798.9A CN105545998B (en) | 2016-03-11 | 2016-03-11 | New-energy automobile disc brake pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545998A CN105545998A (en) | 2016-05-04 |
| CN105545998B true CN105545998B (en) | 2019-01-08 |
Family
ID=55825429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610140798.9A Active CN105545998B (en) | 2016-03-11 | 2016-03-11 | New-energy automobile disc brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545998B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3530965A (en) * | 1969-04-09 | 1970-09-29 | Wilson John H | Clutch or brake fluid cooling system |
| GB8717877D0 (en) * | 1987-07-28 | 1987-09-03 | Lucas Ind Plc | Vehicle disc brakes |
| CN2864225Y (en) * | 2006-01-18 | 2007-01-31 | 黄耀葵 | Water recycling cooling type braking device for automobile |
| CN100391765C (en) * | 2006-05-25 | 2008-06-04 | 武汉理工大学 | Brake shoe cooling system |
| CN202485475U (en) * | 2012-03-16 | 2012-10-10 | 青岛亿明翔精细化工科技有限公司 | Vertical type condenser for in-series bulb tubes |
| CN203948524U (en) * | 2014-04-23 | 2014-11-19 | 南京大洲汽车离合器有限公司 | Vehicle disc brake block |
| CN105387103A (en) * | 2015-12-18 | 2016-03-09 | 李俊娇 | Heat-pipe type automobile brake disc cooling device |
-
2016
- 2016-03-11 CN CN201610140798.9A patent/CN105545998B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105545998A (en) | 2016-05-04 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230913 Address after: 257000 South of Guangjin Road and West of Wen'an Road in Guangrao County Development Zone, Dongying City, Shandong Province Patentee after: Dongying Yijing Braking System Co.,Ltd. Address before: Room 402, Unit 3, Building 1, Xinyi Jiayuan, No. 2229 Liyu East Road, Duohu Street, Jindong District, Jinhua City, Zhejiang Province, 321000 Patentee before: Zhou Bingjing |