Brake caliper assembly based on double-return structure

Abstract

The utility model belongs to the technical field of automobile braking, and relates to a brake caliper assembly based on a double-return structure, which comprises a caliper body and a support which are fixedly connected, a piston component is arranged in the caliper body, an inner brake block and an outer brake block are respectively mounted on two sides of the caliper body, a return spring piece is integrated on a support chute, the spring piece not only has a mounting function, but also integrates a return structure, and the brake caliper assembly is convenient to use. Meanwhile, n-shaped return springs are further fixed to the two ends of the back plates of the inner brake block and the outer brake block, and the free ends of the return springs abut against the side face of the support. Through the design of the double-return structure, the problems of poor return and residual contact and friction force between the brake disc and the brake block of a traditional single-return structure are effectively solved, the dragging effect is remarkably reduced, and the brake energy recovery efficiency is improved. And the whole structure is simple, the implementation is easy, the cost is low, and the cost performance and the application value are high.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile braking and relates to a brake caliper assembly based on a double-return structure. Background Art

[0002] With the rapid development of the automobile industry, especially the increasing recognition of new energy and pure electric models by the public, most of these models are equipped with brake energy recovery function under the background of "new four modernizations", namely electrification, networking, intelligence and sharing. However, this also puts forward higher requirements for brake drag, that is, to achieve low drag or even zero drag, which poses a new challenge to the existing single-return structure brake caliper.

[0003] At present, most brake caliper assemblies adopt a single return structure, but due to its complex structure and poor return effect, there is still residual contact and friction between the brake disc and the brake pad. This situation not only reduces the drag effect, but also directly affects the efficiency of brake energy recovery. Poor brake energy recovery and increased drag lead to increased vehicle fuel consumption and reduced cruising range, which ultimately leads to customer complaints. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a brake caliper assembly based on a double return structure to solve the problem of residual drag between the brake pad and the brake disc caused by poor return of the brake pad and incomplete separation of the disc.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a brake caliper assembly based on a double return structure, comprising a caliper body and a bracket fixedly connected, a piston assembly arranged in the caliper body, and inner and outer brake blocks respectively installed on both sides of the caliper body, an integrated return spring sheet is installed on the bracket slide slot, the integrated return spring sheet comprises a mounting portion for mounting with the bracket slide slot, and a return structure integrally formed with the mounting portion, the return structure acts on the ears at both ends of the back plates of the inner and outer brake blocks; several types of return springs are also respectively installed and fixed at both ends of the back plates of the inner and outer brake blocks, and the free ends of the several types of return springs return to the side of the bracket.

[0006] Optionally, the return structure is a return bar structure or a return hook structure.

[0007] Optionally, the several types of return springs are fixedly connected to the back plates of the inner and outer brake blocks by threaded rivets, and the return structure action position on the same side and the several types of return spring fixed position are arranged on the upper and lower sides of the back plates of the inner and outer brake blocks relative to each other.

[0008] Optionally, the double return structure is applicable to the front brake caliper assembly, the rear brake caliper assembly, and the rear EPB structure brake caliper assembly for automobile brakes.

[0009] Optionally, the piston assembly includes a piston, a sealing ring and a piston dust cover.

[0010] Optionally, the caliper body and the bracket are fixed by an axle pin, an axle pin sleeve and an axle pin bolt.

[0011] Optionally, a bleed screw and a bleed screw protective cover are also provided on the top of the pliers body.

[0012] The beneficial effects of the utility model are as follows: the utility model applies a double return structure to the front and rear brake caliper assemblies for automobile brakes; adds an integrated return function to the traditional spring leaf support and sliding brake block functions, and pulls back (pushes) the brake blocks on both sides; its return structure can be strip-shaped or hook-shaped; and several types of return springs are superimposed at the same time, one end of which is fixed to the brake block back plate, and the other end is returned to the side of the bracket; the spring leaf return bar and the several types of springs act on the brake block back plates on both sides at the same time. The problem of using a single return structure, which still causes residual contact between the brake disc and the brake block due to the complex local structure and poor return, and still has friction between the brake disc and the brake block, thus reducing the drag effect, thereby solving the problem of meeting the braking energy recovery effect and completely solving the drag force problem between the brake disc and the brake block; the overall structure is simple, easy to implement, low cost, and high cost performance.

[0013] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings, in which:

[0015] Figure 1 It is an exploded view of the assembly of the utility model;

[0016] Figure 2 It is a detailed schematic diagram of the double-return structure brake caliper of the utility model;

[0017] Figure 3 It is a schematic diagram of the integrated return spring sheet of the utility model;

[0018] in, Figure 3 (a) is a schematic diagram of the return bar structure. Figure 3 (b) is a schematic diagram of the return hook structure;

[0019] Figure 4 Schematic diagram of several types of return springs of the utility model;

[0020] in, Figure 4 (a) Main view, Figure 4 (b) is a side view.

[0021] Figure markings: 1-bleed screw; 2-bleed screw protective cover; 3-caliper body; 4-piston; 5-sealing ring; 6-piston dust cover; 7-bracket; 8-inner brake block; 9-outer brake block; 10-type return spring; 11-integrated return spring sheet; 12-axle pin; 13-axle pin sleeve; 14-axle pin bolt; 15-bracket slide groove; 16-return structure; 17-threaded rivet. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner. The following embodiments and the features in the embodiments can be combined with each other without conflict.

[0023] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present utility model. In order to better illustrate the embodiments of the present utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0024] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back" and the like indicate directions or positional relationships, they are based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] See also Figure 1 to Figure 4, is a brake caliper assembly based on a double return structure, including a caliper body 3 and a bracket 7 fixedly connected, a piston assembly arranged in the caliper body 3, and an inner brake block 8 and an outer brake block 9 respectively installed on both sides of the caliper body 3, an integrated return spring sheet 11 is installed on the bracket slide groove 15, the integrated return spring sheet 11 includes a mounting portion for mounting with the bracket slide groove 15, and a return structure 16 integrally formed with the mounting portion, the return structure 16 acts on the ears at both ends of the back plates of the inner and outer brake blocks; several types of return springs 10 are also respectively installed and fixed at both ends of the back plates of the inner and outer brake blocks, the piston assembly includes a piston 4, a sealing ring 5 and a piston dust cover 6, the caliper body 3 and the bracket 7 are fixed by an axle pin 12, an axle pin sleeve 13 and an axle pin bolt 14, and a bleed screw 1 and a bleed screw protective sleeve 2 are also provided on the top of the caliper body 3.

[0026] In this embodiment, the free end of the type return spring 10 is against the side of the bracket 7, and the type return spring 10 is fixedly connected to the back plates of the inner and outer brake blocks by a threaded rivet 17, forming an integral body with the brake blocks, and resisting the brake blocks from separating from the brake disc surface through the reaction force supported on the side of the bracket 7. The acting position of the return structure 16 on the same side is relatively arranged on the upper and lower sides of the back plates of the inner and outer brake blocks relative to the fixed position of the type return spring 10.

[0027] In this embodiment, the return structure 16 can be selected as a return bar structure or a return hook structure.

[0028] In this embodiment, the double return structure is applicable to a front brake caliper assembly, a rear brake caliper assembly, and a rear EPB structure brake caliper assembly for automobile brakes.

[0029] The bracket 7 of the utility model is connected to the brake caliper, the integrated return spring sheet 11 is first installed in the bracket slide groove 15, and the brake block is then installed in the slide groove with the integrated return spring sheet 11. When braking, the piston 4 first extends out to push the brake block to clamp the brake disc. When the pressure is released, the piston 4 returns, and the integrated return spring sheet 11 and the several types of return springs 10 act on the brake block at the same time to pull back (return) the brake block, so that it quickly returns.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the utility model.

Claims

1. A brake caliper assembly based on a double return structure comprises a caliper body and a bracket fixedly connected, a piston assembly arranged in the caliper body, and inner and outer brake blocks respectively installed on both sides of the caliper body, characterized in that: An integrated return spring sheet is installed on the bracket slide slot, and the integrated return spring sheet includes a mounting portion for mounting on the bracket slide slot, and a return structure integrally formed with the mounting portion, and the return structure acts on the ears at both ends of the back plates of the inner and outer brake blocks; several types of return springs are also respectively installed and fixed at both ends of the back plates of the inner and outer brake blocks, and the free ends of the several types of return springs return to the side of the bracket.

2. The brake caliper assembly based on the double return structure according to claim 1 is characterized in that: The return structure is a return bar structure or a return hook structure.

3. The brake caliper assembly based on the double return structure according to claim 1 is characterized in that: The return spring is fixedly connected to the back plates of the inner and outer brake blocks through threaded rivets. The return structure action position on the same side and the return spring fixing position are relatively arranged on the upper and lower sides of the back plates of the inner and outer brake blocks.

4. The brake caliper assembly based on the double return structure according to claim 1 is characterized in that: The double return structure is suitable for the front brake caliper assembly, rear brake caliper assembly and rear EPB structure brake caliper assembly for automobile brakes.

5. The brake caliper assembly based on the double return structure according to claim 1 is characterized in that: The piston assembly includes a piston, a sealing ring and a piston dust cover.

6. The brake caliper assembly based on the double return structure according to claim 1 is characterized in that: The caliper body and the bracket are fixed by an axle pin, an axle pin sleeve and an axle pin bolt.

7. The brake caliper assembly based on the double return structure according to claim 1 is characterized in that: A bleed screw and a bleed screw protective cover are also provided on the top of the pliers body.

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