CN214146377U - High-heat-conductivity wear-resistant brake pad - Google Patents
High-heat-conductivity wear-resistant brake pad Download PDFInfo
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- CN214146377U CN214146377U CN202023261219.7U CN202023261219U CN214146377U CN 214146377 U CN214146377 U CN 214146377U CN 202023261219 U CN202023261219 U CN 202023261219U CN 214146377 U CN214146377 U CN 214146377U
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- heat
- sink material
- heat sink
- brake pad
- heat pipe
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Abstract
The utility model discloses a high heat conduction wear-resisting brake block, including brake block body, heat sink material piece and heat pipe, be provided with at least one through-hole on the brake block body, be the step form, the heat sink material piece sets up non-backplate position in the through-hole, a heat pipe of face fixed connection that the heat sink material piece is close to the backplate, open slottedly with the back that the adhesive linkage is relative on the backplate, the quantity in groove is the same with the quantity of through-hole, a through-hole is connected in every groove, other positions of heat pipe set up at the inslot. The utility model discloses combine together diamond composite heat sink material and heat pipe, not only increased the wear resistance of brake block, moreover, can scatter and disappear through the quick derivation of heat pipe with the heat that the friction produced, reduced the frictional temperature of brake block frictional layer and brake disc, the effectual wearability and the life who improves the brake block.
Description
Technical Field
The utility model belongs to the technical field of the car brake equipment technique and specifically relates to a wear-resisting brake block of high heat conduction is related to.
Background
The brake pad is an important part on the automobile and has a light and important effect on the driving safety of the automobile. The principle of brake is that the kinetic energy of vehicle is converted into heat energy after friction by using the friction between brake block and brake disc and between tyre and ground, so as to stop the vehicle. Therefore, during the braking process, the friction between the brake pad and the brake disc generates a large amount of heat, and if the heat cannot be dissipated as soon as possible, the friction coefficient of the brake pad or the brake disc at high temperature is reduced, the braking effect is reduced, or the service life of the brake pad or the brake disc is reduced.
China special for 2916, 6 and 15 with the bulletin number of CN205315575U discloses a novel high-durability automobile brake pad, which comprises a friction block, wherein a steel plate is arranged below the friction block, a plurality of wear-resistant pads are arranged on the friction block, and the wear-resistant pads are arranged in grooves formed in the friction block; the wear pad center department is equipped with the fixed plate, is connected with the fixed screw on the fixed plate, and the fixed screw passes the steel sheet and is connected with the steel sheet through the elastic component. The utility model discloses simple structure, high and long service life of wearability. The patent basically does not consider the heat dissipation of the brake pad, and only can enhance the wear resistance of the brake pad.
Notice No. is CN 211449464U's china specially does benefit to 2020 year 9 month 8 and discloses a wear-resisting brake block, including the steel backplate, the fixed surface of steel backplate has the heat dissipation metal sheet, the surface both sides of heat dissipation metal sheet are fixed with the brake block, the surface of heat dissipation metal sheet is equipped with the fin and extends the inboard surface of fixing at the brake block, the surface of brake block is equipped with the bar groove, the bar groove is equipped with the radius angle outward, through adding the heat dissipation metal sheet of establishing many fins, can derive the heat fast when the friction, improves heat dispersion, sets up the bar groove and the radius angle of slope on the brake block surface simultaneously, can improve the resistance when the friction, reduces the laminating area, reduces wearing and tearing, and is more wear-resisting. Although this patent has increased the heat dissipation metal sheet, this layer radiating metal sheet changes the original size that has the brake block, in the later stage installation, needs dedicated brake caliper supporting, is unfavorable for using widely.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide a high heat conduction wear-resisting brake block, combine together diamond composite heat sink material and heat pipe, not only increased the wear resistance of brake block, moreover, can scatter and disappear through the quick derivation of heat pipe with the heat that the friction produced, reduced the frictional layer of brake block and the frictional temperature of brake disc, the effectual wearability and the life who improves the brake block.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high heat conduction wear-resisting brake block, includes brake block body, heat sink material piece and heat pipe, the brake block body includes backplate, adhesive linkage, bedding course and frictional layer, one side of backplate sets gradually adhesive linkage, bedding course and frictional layer, be provided with at least one through-hole on the brake block body, be the step form, the heat sink material piece sets up non-backplate position in the through-hole, heat sink material piece is close to a heat pipe of face fixed connection of backplate, it has the straight line groove to open at the back relative with the adhesive linkage on the backplate, the quantity in groove is the same with the quantity of through-hole, through-hole of every groove connection, other positions of heat pipe set up at the inslot, and the heat pipe that sets up at the inslot has the in close contact with of certain length with the backplate.
Further, the top end of the heat sink material block does not exceed the surface of the friction layer.
Further, the cross section of the pillow-shaped material block is one of a circle, a regular hexagon, a rectangle and an arc.
Further, the heat sink material block is a copper-diamond composite heat sink material or an aluminum-diamond composite heat sink material.
Further, the volume fraction of diamond in the heat sink material block is 40-60%.
Further, the diamond in the heat sink material is nano-diamond, and the granularity of the nano-diamond is less than 1 micron.
Further, the tube shell of the heat pipe is made of copper, aluminum or stainless steel.
Furthermore, the grooves are linear or bent, and only one heat pipe is arranged in each groove.
Further, the heat pipe is not higher than the surface of the back plate in the groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a high heat conduction wear-resisting brake block adds the heat sink material piece in the frictional layer, and the heat sink material piece is connected with the heat pipe, because the high thermal conductivity of heat sink material, can be quick conduct the heat that produces frictional layer and brake disc friction for the heat pipe, the effectual temperature that reduces frictional layer and brake block contact surface has improved the wearability of frictional layer.
2. The utility model discloses a high heat conduction wear-resisting brake block adds the heat sink material piece in the friction layer, because diamond itself is exactly superhard material, the wearability is fabulous, consequently in the use, difficult wearing and tearing, simultaneously, partial diamond is changed into graphite with the diamond because of the heat that friction pressure and friction produced in the use, plays the lubrication action to the wearability of brake block has been improved.
3. The utility model discloses a wear-resisting brake block of high heat conduction, whole external dimension does not change, but with current part perfect adaptation, does not need dedicated part to form a complete set, and the alternative is good.
Drawings
Fig. 1 is a schematic diagram of the friction surface of the present invention.
Fig. 2 is a schematic view of the groove surface of the back plate of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
In the figure, 1-a brake block body, 2-a heat sink material block, 3-a heat pipe, 11-a back plate, 12-an adhesive layer, 13-a backing layer, 14-a friction layer, 15-a through hole and 16-a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, 2 and 3, a high-thermal-conductivity wear-resistant brake pad comprises a brake pad body 1, a heat sink material block 2 and a heat pipe 3, wherein the brake pad body 1 comprises a back plate 11, an adhesive layer 12, a backing layer 13 and a friction layer 14, the adhesive layer 12, the backing layer 13 and the friction layer 14 are sequentially arranged on one side of the back plate 11, 4 through holes 15 are arranged on the brake pad body 1 in a cylindrical step shape, the size diameter of the brake pad body on the back plate 11 is 4mm, the sizes of other parts are 10mm, the heat sink material block 2 is a cylinder with the diameter of 10mm, the brake pad body is made of a copper-diamond composite heat sink material, the diamond is nano-diamond, the granularity is 700nm, the volume ratio is 40%, the brake pad is arranged in the through hole 15 and is not in the part of the back plate 11, the top end of the heat sink material block is not larger than the surface of the friction layer 14, the heat sink material block 2 is fixedly connected with a flat copper shell heat pipe 3, the width of 3.5mm and the thickness of 2mm, the back surface of the back plate 11 opposite to the bonding layer 12 is provided with grooves 16, the depth of each groove is 2mm, the number of the grooves 16 is the same as that of the through holes 15, each groove 16 is connected with one through hole 15, other parts of the heat pipe 3 are arranged in the grooves 16, and the heat pipe 3 arranged in the grooves 16 is in close contact with the back plate 11 in a certain length.
The utility model discloses a high heat conduction wear-resisting brake block, its heat sink material piece is copper-diamond combined material, because the thermal conductivity of diamond can reach 2000W/m.K, the thermal conductivity 397W/m.K of copper, the two is compound back, its thermal conductivity is less than the thermal conductivity of diamond, but be higher than the thermal conductivity of copper, the thermal conductivity is good, it is connected with the heat pipe, the heat pipe sets up on the backplate, regard the backplate as the fin, like this, at brake block and brake disc friction braking in-process, the heat of production is transmitted for the heat pipe through heat sink material, transmit again on the backplate, thereby scatter and disappear the heat, thereby the temperature of brake block in the braking process has been reduced, the life of brake block has been prolonged.
The utility model discloses a high heat conduction wear-resisting brake block, its heat sink material piece is copper-diamond combined material, because diamond itself is exactly the hardest material in nature, difficult wearing and tearing, consequently, the wearability of brake block is high.
The utility model discloses a high heat conduction wear-resisting brake block, its heat sink material piece is copper-diamond combined material, also direct and brake disc contact, at frictional in-process, some diamond in the heat sink material drops because of the friction, then in being impressed the brake disc, contain the diamond in the messenger brake disc, hardness increases, the wearability of brake disc has been increased, partly in addition, under frictional pressure and production temperature, be transformed into graphite by the diamond, and graphite has the lubricity, can alleviate wearing and tearing, thereby increase the wearability of brake block, the life-span of brake block is improved.
Example two:
a high-heat-conductivity wear-resistant brake pad comprises a brake pad body 1, a heat sink material block 2 and heat pipes 3, wherein the brake pad body 1 comprises a back plate 11, an adhesive layer 12, a backing layer 13 and a friction layer 14, the adhesive layer 12, the backing layer 13 and the friction layer 14 are sequentially arranged on one side of the back plate 11, 6 through holes 15 are arranged on the brake pad body 1 and are in a hexagonal column step shape, the side length of a hexagon on the back plate 11 is 3mm, the side lengths of other parts are 5mm, the heat sink material block 2 is a hexagonal column with the side length of 5mm and is made of an aluminum-diamond composite heat sink material, the diamond is a nano diamond, the granularity is 500nm, the volume ratio is 50%, the heat sink material block is arranged at a position, which is not on the back plate 11, in the through hole 15, the top end of the heat sink material block is not more than the surface of the friction layer 14, the surface of the heat sink material block 2, which is close to the back plate 11, is fixedly connected with a flat aluminum shell heat pipe 3 with the width of 5mm and the thickness of 2.5mm, the back surface of the back plate 11 opposite to the bonding layer 12 is provided with an S-shaped groove 16, the depth of the groove is 2.6mm, the number of the grooves 16 is the same as that of the through holes 15, each groove 16 is connected with one through hole 15, other parts of the heat pipe 3 are arranged in the grooves 16, and the heat pipe 3 arranged in the grooves 16 is in close contact with the back plate 11 with a certain length.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a wear-resisting brake block of high heat conduction which characterized in that: the brake pad comprises a brake pad body (1), heat sink material blocks (2) and heat pipes (3), wherein the brake pad body (1) comprises a back plate (11), an adhesive layer (12), a pad bottom layer (13) and a friction layer (14), the adhesive layer (12), the pad bottom layer (13) and the friction layer (14) are sequentially arranged on one side of the back plate (11), at least one through hole (15) is formed in the brake pad body (1) and is step-shaped, the heat sink material blocks (2) are arranged at positions, not in the through hole (15), of the back plate (11), the heat sink material blocks (2) are fixedly connected with one heat pipe (3) close to the surface of the back plate (11), grooves (16) are formed in the back surface, opposite to the adhesive layer (12), of the back plate (11), the number of the grooves (16) is the same as that of the through holes (15), one through hole (15) is connected with each groove (16), and other positions of each heat pipe (3) are arranged in the grooves (16), the heat pipe (3) arranged in the groove (16) is in close contact with the back plate (11) for a certain length.
2. The high-heat-conductivity wear-resistant brake pad of claim 1, wherein: the top end of the heat sink material block (2) does not exceed the surface of the friction layer (14).
3. The high-heat-conductivity wear-resistant brake pad of claim 1, wherein: the section of the heat sink material block (2) is one of a circle, a regular hexagon, a rectangle and an arc.
4. The high-heat-conductivity wear-resistant brake pad of claim 1, wherein: the heat sink material block (2) is a copper-diamond composite heat sink material or an aluminum-diamond composite heat sink material.
5. The high-heat-conductivity wear-resistant brake pad of claim 4, wherein: the volume fraction of the diamond in the heat sink material block (2) is 40-60%.
6. The high-heat-conductivity wear-resistant brake pad of claim 5, wherein: the diamond in the heat sink material block (2) is nano diamond, and the granularity of the nano diamond is less than 1 micron.
7. The high-heat-conductivity wear-resistant brake pad of claim 1, wherein: the shell of the heat pipe (3) is made of copper, aluminum or stainless steel.
8. The high-heat-conductivity wear-resistant brake pad of claim 1, wherein: the grooves (16) are linear or curved, and only one heat pipe is arranged in each groove.
9. The high-heat-conductivity wear-resistant brake pad of claim 1, wherein: the heat pipe (3) is not higher than the surface of the back plate (11) in the groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023261219.7U CN214146377U (en) | 2020-12-30 | 2020-12-30 | High-heat-conductivity wear-resistant brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023261219.7U CN214146377U (en) | 2020-12-30 | 2020-12-30 | High-heat-conductivity wear-resistant brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146377U true CN214146377U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023261219.7U Active CN214146377U (en) | 2020-12-30 | 2020-12-30 | High-heat-conductivity wear-resistant brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146377U (en) |
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2020
- 2020-12-30 CN CN202023261219.7U patent/CN214146377U/en active Active
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