Return spring and brake

Abstract

The utility model discloses a return spring and a brake, and the return spring comprises an elastic return structure which is used for elastically abutting against the front side of a friction plate; the clamping installation structure is used for being clamped on an installation block of a brake caliper support and comprises an upper connecting piece, a front clamping piece, a rear clamping piece, an upper clamping piece and a lower clamping piece, the front clamping piece, the rear clamping piece, the upper clamping piece and the lower clamping piece are connected with the upper connecting piece and located on the front side and the rear side of the installation block, and the upper clamping piece and the lower clamping piece are located on the upper side and the lower side of the installation block. The inner side edge, away from the upper connecting piece, of the lower clamping piece is connected with the elastic return structure, the inner side edge, away from the upper connecting piece, of the upper clamping piece is provided with a first hollowed-out groove, and two upper clamping jaws are formed on the front side and the rear side of the first hollowed-out groove. According to the clamping installation structure, the weight of the return spring is reduced, the cost is reduced, meanwhile, the clamping installation structure can be conveniently disassembled and assembled, it is avoided that the clamping installation structure is difficult to disassemble and assemble due to too large clamping force, and meanwhile it is avoided that installation is unstable due to too small clamping force.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle brake technical field, in particular to a return spring and brake. BACKGROUND

[0002] The return spring is used for being installed on the caliper support of the brake and can help the friction plate to retreat from the rotating brake disc, the existing return spring is generally surrounded and clamped in the brake caliper support through the frame type limiting clamping part, on the one hand, the weight of the return spring is larger, the manufacturing cost is increased, on the other hand, the return spring is not easy to disassemble. SUMMARY

[0003] The utility model discloses a return spring and brake to solve the technical problem that the weight of the current return spring is larger and not easy to disassemble.

[0004] The above-mentioned purpose of the utility model can adopt the following technical scheme to realize:

[0005] The utility model provides a return spring, it includes: elastic return structure is used for elastically abutting at the front side of friction plate, clamping installation structure is used for clamping on the mounting block of brake caliper support, the clamping installation structure includes upper connecting piece and with the front clamping piece, rear clamping piece, upper clamping piece, lower clamping piece of upper connecting piece connection, the front clamping piece and the rear clamping piece are located the front and back two sides of the mounting block, the upper clamping piece and the lower clamping piece are located the upper and lower two sides of the mounting block, the inner side edge of the lower clamping piece away from the upper connecting piece is connected with the elastic return structure, the inner side edge of the upper clamping piece away from the upper connecting piece is equipped with first hollow slot and forms two upper clamping claws in the front and back two sides of first hollow slot.

[0006] In the embodiment of the utility model, the upper clamping jaw has a first bending part, the top side of the mounting block is provided with a limiting slot extending forward and backward, the inner side edge of the upper clamping piece is bent downward and extends inward to form the first bending part, and the lower end of the first bending part abuts in the limiting slot.

[0007] In the embodiment of the utility model, the lower end of the first bending part extends inward horizontally to form a limiting abutting part, and the limiting abutting part is attached to the groove bottom surface of the limiting slot.

[0008] In the embodiment of the utility model, one of the upper clamping jaws is arranged close to the front clamping piece, and the other upper clamping jaw is arranged close to the rear clamping piece.

[0009] In the embodiment of the utility model, the elasticity of the rear clamping piece is greater than that of the front clamping piece.

[0010] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure.

[0011] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure.

[0012] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure.

[0013] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure.

[0014] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure.

[0015] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure.

[0016] The utility model discloses an implementation manner of the utility model discloses a brake caliper support is provided with the elastic return spring, and the elastic return spring is provided with the upper clamping sheet and the lower clamping sheet, and the upper clamping sheet and the lower clamping sheet are connected through the clamping installation structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is a perspective view of the return spring in the present application from the outside.

[0019] Figure 2 It is a perspective view of the return spring in the present application from the inside.

[0020] Figure 3 It is a structural schematic view of the return spring installed in the brake caliper support in the present application.

[0021] In the drawings:

[0022] 1, clamping mounting structure; 11, upper connecting piece; 12, front clamping piece; 13, rear clamping piece; 14, upper clamping piece; 141, upper clamping jaw; 1411, first bending part; 1412, limiting abutting part; 142, first hollow groove; 15, lower clamping piece; 151, second bending part;

[0023] 2, elastic return structure; 21, elastic return piece; 211, return bending part; 212, return abutting part; 22, lower connecting piece; 221, second hollow groove; 23, supporting piece; 231, third bending part;

[0024] 3, brake caliper support; 31, mounting block; 311, limiting groove; 32, supporting block. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Embodiment one

[0027] As Figures 1 to 3The utility model provides a return spring, include: elastic return structure 2 for elastic abutment in the front side of friction piece, clamping mounting structure 1 for clamping on the mounting block 31 of brake caliper support 3, clamping mounting structure 1 includes upper connecting piece 11 and with the front clamping piece 12, rear clamping piece 13, upper clamping piece 14, lower clamping piece 15 of upper connecting piece 11 connection, front clamping piece 12 and rear clamping piece 13 are located the front and rear two sides of mounting block 31, upper clamping piece 14 and lower clamping piece 15 are located the upper and lower two sides of mounting block 31, the inner side edge of lower clamping piece 15 away from upper connecting piece 11 is connected with elastic return structure 2, and the inner side edge of upper clamping piece 14 away from upper connecting piece 11 is provided with first hollow groove 142 and forms two upper clamping claws 141 on the front and rear two sides of first hollow groove 142.

[0028] The utility model discloses a return spring is applied to brake, and the brake still includes brake caliper support 3, brake disc and friction piece, and the friction piece is slidably installed in brake caliper support 3, and the friction piece can slide to the direction close to brake disc and cooperate with brake disc friction braking and slide to the direction away from brake disc and release brake, and the clamping mounting structure 1 of return spring is clamped on the mounting block 31 of brake caliper support 3, and the elastic return structure 2 of return spring is elastically abutted to the side close to brake disc of friction piece, thereby when releasing brake, the elastic return force of elastic return structure 2 is used to push the friction piece and slide to the direction away from brake disc, makes the friction piece fast return and reduces the drag phenomenon of friction piece, and the more specific structure and working principle of brake are same with prior art, and here will not repeat.

[0029] Combination Figure 1 And Figure 3 As shown, it should be explained that the utility model is convenient for describing the relative position relation and connection relation between various components, defines the sliding direction of friction piece as front and rear direction X, and the direction close to brake disc is forward, and the direction away from brake disc is backward, and as shown, Figure 1 In the angle of view as shown, the longitudinal direction perpendicular to front and rear direction X is defined as upper and lower direction Y, and the direction of upper clamping piece 14 towards mounting block 31 is downward, and the direction of upper clamping piece 14 away from mounting block 31 is upward, and the transverse direction perpendicular to front and rear direction X is defined as inner and outer direction Z, and the direction of upper connecting piece 11 towards mounting block 31 is inward, and the direction of upper connecting piece 11 away from mounting block 31 is outward.

[0030] The utility model discloses a return spring, through the cooperation of upper clamping piece 14 and lower clamping piece 15 and clamping on mounting block 31, can realize the location of clamping mounting structure 1 in upper and lower direction Y, through setting first hollow groove 142 on the inner side edge of upper clamping piece 14 and forming two upper clamping claws 141 on the front and rear two sides of first hollow groove 142, thereby reducing the weight of return spring and reducing cost, and also facilitating the dismounting of clamping mounting structure 1, avoiding excessive clamping force and causing difficult dismounting, and avoiding small clamping force and causing unstable installation.

[0031] Specifically, as shown in Figure 1 and Figure 2 , the return spring is an integral molding. The front clamping piece 12, the rear clamping piece 13, the upper clamping piece 14 and the lower clamping piece 15 are arranged at intervals and cooperatively form a clamping groove matched with the mounting block 31. Each side edge of the upper connecting piece 11 is connected with the front clamping piece 12, the rear clamping piece 13, the upper clamping piece 14 and the lower clamping piece 15 through a bending part arranged inwardly bent, so that the front clamping piece 12, the rear clamping piece 13, the upper clamping piece 14 and the lower clamping piece 15 have better elasticity to realize clamping, and the elasticity of each clamping piece can be set according to the size of the bending arc and / or bending radius of the bending part. When the friction plate slides forward and presses against the return elastic structure, the rear clamping piece 13 also presses against the rear side of the mounting block 31, so as to avoid excessive deformation of the rear clamping piece 13 under stress and failure. In addition, in order to improve the installation stability of the return spring, one upper clamping jaw 141 is arranged close to the front clamping piece 12, and the other upper clamping jaw 141 is arranged close to the rear clamping piece 13.

[0032] As shown in Figures 1 to 3 , in order to improve the clamping stability of the upper clamping jaw 141, the upper clamping jaw 141 has a first bending part 1411 in the embodiment of the utility model, the top side of the mounting block 31 is provided with a front-rear extending limiting groove 311, the inner side edge of the upper clamping piece 14 is downwardly bent and inwardly inclinedly extended to form the first bending part 1411, and the lower end of the first bending part 1411 abuts in the limiting groove 311. By arranging the first bending part 1411 downwardly bent and inwardly inclinedly extended, the elastic clamping force of the upper clamping jaw 141 is improved to improve the installation stability of the return spring, and the first bending part 1411 can be more conveniently clamped in or pulled out of the limiting groove 311. Specifically, the lower end of the first bending part 1411 extends inwardly horizontally to form a limiting abutting part 1412, the limiting abutting part 1412 abuts against the groove bottom surface of the limiting groove 311, so as to further improve the clamping stability of the upper clamping jaw 141.

[0033] In addition, as shown in Figure 3As shown, the brake caliper support 3 is further provided with a support block 32 below the mounting block 31, and a guide groove extending forward and backward is formed between the support block 32 and the mounting block 31. In order to improve the mounting stability of the return spring, the elastic return structure 2 of the return spring is mounted in the guide groove, and the friction plate is in sliding fit with the elastic return structure 2 in the forward and backward direction X. The elastic return structure 2 comprises an elastic return sheet 21, a lower connecting sheet 22 and a support sheet 23. The upper side of the lower connecting sheet 22 is connected with the inner side of the lower clamp sheet 15, and the inner side of the support sheet 23 is connected with the lower side of the lower connecting sheet 22 and located on the upper side of the support block 32. One end of the elastic return sheet 21 is connected with the front side of the lower connecting sheet 22, and the other end of the elastic return sheet 21 can elastically abut against the front side of the friction plate.

[0034] Specifically, the friction plate has a sliding block, and the lower clamp sheet 15, the lower connecting sheet 22 and the support sheet 23 cooperatively form a sliding groove in sliding fit with the sliding block. The elastic return sheet 21 is located at the front side of the sliding groove and can elastically abut against the front side of the sliding block, so as to push the sliding block to move backward when the brake is released, and realize the rapid return of the friction plate.

[0035] As shown in Figure 2 , the inner side of the lower clamp sheet 15 is connected with the upper side of the lower connecting sheet 22 through the second bending part 151 extending and arranged by bending downward, and the lower side of the lower connecting sheet 22 is connected with the inner side of the support sheet 23 through the third bending part 231 extending and arranged by bending outward, so as to increase the elastic deformation range of the lower clamp sheet 15 and the support sheet 23, and further better adapt to the shape of the guide groove, and improve the mounting stability of the elastic return structure 2.

[0036] As shown in Figure 1 and Figure 2 , the elastic return sheet 21 comprises a return bending part 211 and a return abutting part 212. One end of the return bending part 211 is connected with the front side of the lower connecting sheet 22, and the other end of the return bending part 211 is bent outward and extends backward to be connected with the return abutting part 212, and the return abutting part 212 is used for abutting against the front side of the friction plate. The elastic return sheet 21 provides the elastic return force in the backward direction by the elastic deformation of the return bending part 211, so as to push the rapid return of the friction plate.

[0037] As shown in Figure 1 and Figure 2 , two second hollow grooves 221 are formed on the upper and lower sides of the return bending part 211 on the front side of the lower connecting sheet 22. On the one hand, the elastic deformation range of the return bending part 211 can be expanded, and on the other hand, the weight of the return spring can be further reduced, and the cost can be further reduced.

[0038] Embodiment two

[0039] In combination with Figures 1 to 3As shown, the utility model still provides a kind of brake, including brake caliper support 3, friction plate, brake disc and return spring, and return spring is installed on the mounting block 31 of brake caliper support 3 by clamping installation structure 1 and is elastically abuts to the side of friction plate close to brake disc by elastic return structure 2.The specific structure, working principle and beneficial effect of return spring in this embodiment are same with the return spring in embodiment one, and will not be described here.

[0040] The above is only several embodiments of the utility model, and those skilled in the art can make various changes or modifications to the embodiments of the utility model according to the disclosed content of the application file without departing from the spirit and scope of the utility model.

Claims

1. A return spring, characterized in that The application relates to a return spring for a brake caliper support. The return spring comprises an elastic return structure for elastically abutting against the front side of a friction plate; and a clamping mounting structure for being clamped on a mounting block of the brake caliper support, wherein the clamping mounting structure comprises an upper connecting plate, a front clamping plate, a rear clamping plate, an upper clamping plate and a lower clamping plate connected with the upper connecting plate, the front clamping plate and the rear clamping plate are located on the front and rear sides of the mounting block, the upper clamping plate and the lower clamping plate are located on the upper and lower sides of the mounting block, the inner side of the lower clamping plate away from the upper connecting plate is connected with the elastic return structure, and the upper clamping plate away from the inner side of the upper connecting plate is provided with a first hollow groove and two upper clamping claws are formed on the front and rear sides of the first hollow groove.

2. The return spring of claim 1, wherein the upper clamping claw has a first bending part, the top side of the mounting block is provided with a front and rear extending limiting groove, and the inner side of the upper clamping plate is bent downward and extends inward to form the first bending part, and the lower end of the first bending part abuts against the limiting groove.

3. The return spring of claim 2, wherein the lower end of the first bending part extends horizontally inward to form a limiting abutting part, and the limiting abutting part abuts against the groove bottom surface of the limiting groove.

4. The return spring of claim 1, wherein one of the upper clamping claws is arranged close to the front clamping plate, and the other upper clamping claw is arranged close to the rear clamping plate.

5. The return spring of claim 1, wherein the elasticity of the rear clamping plate is greater than that of the front clamping plate.

6. The return spring of claim 1, wherein the brake caliper support is further provided with a supporting block below the mounting block, the elastic return structure comprises an elastic return plate, a lower connecting plate and a supporting plate, the upper side of the lower connecting plate is connected with the inner side of the lower clamping plate, the inner side of the supporting plate is connected with the lower side of the lower connecting plate and is located on the upper side of the supporting block, one end of the elastic return plate is connected with the front side of the lower connecting plate, and the other end of the elastic return plate can elastically abut against the front side of the friction plate.

7. The return spring of claim 6, wherein the inner side of the lower clamping plate is connected with the upper side of the lower connecting plate through a second bending part arranged by extending downward and bending, and the lower side of the lower connecting plate is connected with the inner side of the supporting plate through a third bending part arranged by extending outward and bending.

8. The return spring of claim 6, wherein the elastic return plate comprises a return bending part and a return abutting part, one end of the return bending part is connected with the front side of the lower connecting plate, the other end of the return bending part is bent outward and extends rearward and obliquely to be connected with the return abutting part, and the return abutting part is used for abutting against the front side of the friction plate.

9. The return spring of claim 8, wherein the front side of the lower connecting plate is provided with two second hollow grooves on the upper and lower sides of the return bending part. ​ 10. A brake characterized by The brake caliper bracket, the friction plate and the return spring as claimed in any one of claims 1-9 are included, the return spring is installed on the mounting block of the brake caliper bracket through the clamping mounting structure and elastically abuts against the side of the friction plate close to the brake disc through the elastic return structure.

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