Elastic piece, brake and vehicle

Abstract

The utility model provides an elastic piece of disc brake calipers and an assembly structure of the elastic piece, the elastic piece comprises a spring main body and a reset piece, and the reset piece is riveted with the spring main body through a rivet; the spring main body is provided with a radial limiting part, a main body fixing part and a wire harness fixing part; the radial limiting part is provided with a bend and cross arm surfaces which are parallel up and down; according to the elastic piece, the assembly space of the brake can be saved, meanwhile, the elastic piece has high structural strength, and the elastic performance is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle brake systems, in particular to an elastic piece of a disc brake caliper and a brake device and a vehicle having the elastic piece. Background Art

[0002] In the existing disc brake spring, there are usually a limiting portion for providing radial limiting for the brake pad and a return portion for providing axial return force for the brake pad.

[0003] The limiting portion is usually configured as a bent structure with a certain inclination angle with the spring body. Such a bent structure with a certain inclination requires more assembly space for the brake system. Utility Model Content

[0004] In order to solve at least one of the problems existing in the prior art as mentioned above, the utility model proposes an elastic member, which provides the brake pad in the brake system with the functions of limiting and returning.

[0005] According to an elastic member proposed in the utility model, it includes: a spring body; the spring body is provided with a radial limiting portion, a center bend, a reinforcement structure, a wire collecting portion and a body fixing portion. The radial limiting portion abuts against the brake pad during assembly, saving assembly space and providing the brake pad with a limiting force in the radial direction of the wheel; the reinforcement structure can strengthen the spring body, especially the structural strength of the connection between the radial limiting portion and the spring body, and improve the limiting force that the radial limiting portion can provide; the body fixing portion is assembled with the brake pin, so as to fix the spring body in the circumferential direction and radial direction of the wheel; the position of the wire collecting portion is adapted to the brake alarm to gather the alarm wire harness.

[0006] An elastic member proposed according to the utility model also includes: a reset member; the reset member includes a reset arm and a split fixing portion, the reset member is fixedly connected to the spring body through the split fixing portion, the reset arm has a specific bending angle, and can provide a reset force for the brake pad during braking.

[0007] In some examples of the present invention, the central bend is configured as an arc-shaped bend.

[0008] In some examples of the present utility model, the radial limiting portion includes a first cross arm surface, a second cross arm surface and a first bending portion, the first cross arm surface is connected to the spring body, the first cross arm surface and the second cross arm surface are connected through the first bending portion, and the first cross arm surface is parallel to the second cross arm surface.

[0009] In some examples of the present invention, the first cross arm surface and the spring body are located on the same plane.

[0010] In some examples of the present invention, the reinforcement structure is a reinforcement rib, and the reinforcement rib extends to the radial limiting portion along the width direction of the spring body.

[0011] In one embodiment, the line collection portion is arranged on both sides of the radial limiting portion, and the line collection portion is constructed as a C-shaped bending structure punched and formed on the spring body, and the line collection portion can be compatible with the alarm of the brake.

[0012] In some examples of the present invention, the main body fixing portion is arranged at both end portions of the spring main body, and is provided with limiting grooves for fixing the spring main body.

[0013] In some examples of the present invention, the limiting groove of the main body fixing portion is configured as a limiting slot having an S-shaped bend.

[0014] In some examples of the present invention, the reset member is constructed as an M-shaped symmetrical structure, and the reset arms are symmetrically arranged on both sides of the split fixing portion.

[0015] In some examples of the present invention, the reset arm has a specific bending angle, which can better fit the brake pad, thereby providing a reset force for the brake pad during braking.

[0016] In some examples of the present invention, the split fixing portion is fixedly connected to the spring body through rivets below the spring body.

[0017] The utility model further proposes a braking device with the elastic member, comprising a braking plate, a latch and the elastic member.

[0018] Compared with the prior art, the utility model provides an elastic member that can save assembly space, optimizes the structural strength of the component, enhances the safety of the brake device, and is compatible with the brake alarm to improve the integration of the brake device components. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings constituting part of the embodiments of the present invention are used to provide a further understanding of the present invention. The schematic implementation modes and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic structural diagram of a split spring sheet according to an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the assembly of a spring support arm in an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of assembling a split spring sheet in a brake according to an embodiment of the utility model;

[0023] Reference numerals:

[0024] An elastic member (1), a spring body (2), a reset member (3), a radial limiting portion (4), a first cross arm surface (5), a second cross arm surface (6), a first bending portion (7), a second bending portion (8), a reset arm (9), a split fixing portion (10), a rivet (11), a main body fixing portion (12), a reinforcing rib (13), a wire collecting portion (14), a latch (15), and a brake pad (16). DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so as to describe the embodiments of the utility model described here.

[0028] The brake caliper is generally arranged to straddle the outer peripheral edge of the brake disc, in which the following are set: a rotation axis direction around which the brake disc is suitable for defining an axial direction; a radial direction orthogonal to the axial direction; and a circumferential direction orthogonal to both the axial direction and the radial direction.

[0029] A brake according to an embodiment of the utility model is described with reference to the accompanying drawings. Figure 3 As shown, the brake comprises: an elastic member 1, a brake pad 16 and a latch 15, wherein the elastic member 1 provides the brake pad 16 with a limiting force in a radial direction and a returning force in an axial direction, and the elastic member 1 and the brake pad 16 are fixedly assembled by the latch 15.

[0030] like Figure 1 and Figure 2 As shown, the elastic member 1 of the brake according to the embodiment of the utility model comprises: a spring body 2, a reset member 3 and a rivet 11. Among them, at least one reset member 3 is riveted to the spring body 2 through the rivet 11.

[0031] Preferably, the two return members 3 are symmetrically riveted to the spring body 2 by rivets 11 .

[0032] like Figure 1 As shown, the spring body 2 according to the embodiment of the utility model includes: a radial limiting portion 4, a second bending portion 8, a line collecting portion 14 and a body fixing portion 12.

[0033] Specifically, the radial limiting portion 4 is constructed as a cross arm structure extending from the spring body 2 to both sides along the width direction thereof, wherein the cross arm structure includes a first cross arm surface 5, a second cross arm surface 6 and a first bending portion 7, wherein the first cross arm surface 5 is connected to the spring body 2, the first cross arm surface 5 and the second cross arm surface 6 are connected via the first bending portion 7, and the first cross arm surface 5 is parallel to the second cross arm surface 6. In the braking device, the second cross arm surface 6 contacts the upper surface of the brake pad 16, thereby providing the brake pad 16 with a limiting force in the radial direction.

[0034] Preferably, the first transverse arm surface 5 and the spring body 2 are located on the same plane.

[0035] Preferably, the first bent portion (7) is configured in a C-shape.

[0036] Specifically, the second bending portion 8 is disposed at a middle position along the length direction of the spring body 2 , and the radial limiting portions 4 are symmetrically disposed on both sides of the second bending portion 8 along the length direction of the spring body 2 .

[0037] Preferably, the second bent portion 8 is configured as an arc-shaped bend.

[0038] Specifically, the main body fixing portion 12 has a limiting groove for fixing the spring main body 2 .

[0039] Preferably, the limiting groove is configured as an S-shaped bend.

[0040] Specifically, the spring body 2 is assembled with the brake pad 16 through the body fixing portion 12 and the plug pin 15, wherein the plug pin 15 is arranged at the S-shaped bend of the body fixing portion 12, thereby fixing the spring body 2 in the circumferential direction and the radial direction.

[0041] Specifically, a reinforcing rib 13 is provided on the spring body 2, and the reinforcing rib 13 extends to the radial limiting portion 4 along the width direction of the spring body 2. The reinforcing rib 13 is produced by molding on the spring sheet of the spring body 2, plays a role in strengthening the structural strength, and can effectively reduce the stress concentration at the connection between the first cross arm surface 5 and the spring body 2.

[0042] Specifically, the wire collection part 14 is arranged between the first cross arm surface 5 and the main body fixing part 12, and the wire collection part 14 is provided with a notch and a C-shaped bend. The wire collection part 14 is adapted to the brake alarm and gathers the alarm wire harness.

[0043] like Figure 2 As shown, in one embodiment of the present utility model, the reset member 3 is provided with a reset arm 9 , and the reset arm 9 can provide a reset force along the width direction of the spring body 2 .

[0044] Preferably, there is a U-shaped bend between the end of the reset arm 9 and the split fixing portion 15 .

[0045] Preferably, the reset arm 9 has a specific bending angle so that the end of the reset arm 9 can better fit with the brake pad 16 .

[0046] Preferably, the reset arm 9 further includes a split fixing portion 10 , and the split fixing portion 10 is fixedly connected to the spring body 2 through a rivet 11 below the spring body 2 .

[0047] Preferably, the overall structure of the reset member 3 is an M-shaped symmetrical structure.

[0048] Preferably, if Figure 1 and Figure 2 As shown, in the elastic member spring 1 of the brake according to the embodiment of the utility model, the number of the reset members 3 is two, and the two reset members 3 are riveted to the spring body 2 axially symmetrically through rivets 11.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0050] In the description of the present invention, "first feature" and "second feature" may include one or more of the features. In the description of the present invention, "plurality" means two or more. In the description of the present invention, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. In the description of the present invention, a first feature "above", "above" and "above" a second feature may include the first feature being directly above and obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0052] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An elastic member, characterized in that: include: A spring body (2), the spring body (2) comprising a radial limiting portion (4) extending to both sides along the width direction thereof, the radial limiting portion (4) comprising a first cross arm surface (5), a second cross arm surface (6) and a first bending portion (7), the first cross arm surface (5) being connected to the spring body (2), the first cross arm surface (5) and the second cross arm surface (6) being connected via the first bending portion (7), and the first cross arm surface (5) being parallel to the second cross arm surface (6).

2. The elastic member according to claim 1, characterized in that: The first cross arm surface (5) and the spring body (2) are located on the same plane.

3. The elastic member according to claim 1, characterized in that: The first bent portion (7) is constructed in a C-shape.

4. The elastic member according to claim 1, characterized in that: It also comprises a reset member (3), wherein the reset member (3) is provided with a reset arm (9), and the reset arm (9) is capable of providing a reset force along the width direction of the spring body (2).

5. The elastic member according to claim 1, characterized in that: The spring body (2) further comprises a second bending portion (8), the second bending portion (8) being arranged at a middle position along the length direction of the spring body (2), and the radial limiting portions (4) being symmetrically arranged on both sides of the second bending portion (8) along the length direction of the spring body (2).

6. The elastic member according to claim 5, characterized in that: The second bending portion (8) is configured as an arc-shaped bend.

7. The elastic member according to claim 1, characterized in that: A main body fixing portion (12) is provided at the end of the spring main body (2), and the main body fixing portion (12) has a limiting groove for fixing the spring main body (2).

8. The elastic member according to claim 7, characterized in that: The limiting groove is constructed as an S-shaped bend.

9. The elastic member according to claim 1, characterized in that: The spring body (2) is provided with a reinforcing rib (13), and the reinforcing rib (13) extends along the width direction of the spring body (2) to the radial limiting portion (4).

10. A brake, characterized in that: include: The elastic member according to any one of claims 1 to 9; A latch (15), the latch (15) being used to fix the spring body (2); The brake pad (16) is in a braking state, and the radial limiting portion (4) abuts against the brake pad (16).

11. A vehicle comprising the brake as claimed in claim 10.

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