Return spring of friction plate and brake

Abstract

The utility model provides a friction plate return spring and brake, including connecting part, the both ends of connecting part are evenly provided with return spring clamping part, connecting part is connected with return spring clamping part, the connecting part is also provided with return spring deformation part, the position of return spring deformation part is perpendicular to the position of return spring clamping part, the position of the return spring clamping part is perpendicular to the position of the return spring clamping part, and the position of the return spring clamping part is perpendicular to the position of the return spring clamping part. And a return spring elastic part is arranged on the opposite side of the return spring deformation part and is connected with the connecting part. According to the return spring of the friction plate and the brake, the problems of shaking and force change of the friction plate in the braking process can be effectively solved through the return spring, the structure of a braking system is simplified through the return spring, the manufacturing cost and the maintenance cost are reduced, the friction plate is stably fixed, and the service life of the brake is prolonged. And meanwhile, the elastic part of the return spring helps the friction plate to restore to the initial position after braking through the elastic force of the elastic arm, so that the stability and the safety of a braking system are improved, and the service life of the friction plate is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of automobile disc brakes, in particular to a return spring of a friction plate and a brake. Background Art

[0002] In the automobile braking system, the friction pad is a key component between the brake disc and the brake caliper, and its performance directly affects the braking effect and the safety of the braking system. Therefore, how to improve the return performance of the friction pad has become a research focus in this field.

[0003] The friction pad return spring is a specially designed spring whose main function is to help the friction pad return to its original position quickly after the brake is released. This spring is usually made of high-strength, high-elasticity materials to ensure stable performance during long-term and frequent use. The return spring must be designed precisely to ensure that it can provide enough force to overcome the friction resistance between the friction pad and the brake drum or brake disc, so that the friction pad can return to its original position quickly and smoothly.

[0004] The return spring currently used has a return device set on the outer arc surface of the friction plate when the equipment is in use, which may cause uneven wear of the friction plate and dragging of the disc, or some brakes cannot adopt this structure due to insufficient internal space, and the installation and replacement process is relatively difficult, and the friction plate is deformed by heat. For this reason, technicians in this field have proposed a return spring for the friction plate. Utility Model Content

[0005] In order to achieve the above-mentioned purpose, the utility model provides a return spring of a friction plate and a brake, which solves the problem that the friction between the friction plate and the brake disc causes the friction plate to shake and change in force during the braking process, thereby affecting the stability and safety of the braking system. The design of the return spring not only helps the friction plate to quickly and accurately return to its initial position after braking, but also resists the shaking and force changes generated during the braking process.

[0006] The purpose of the utility model is to provide a return spring for a friction plate, the return spring comprising a connecting part, return spring clamping parts are evenly arranged at both ends of the connecting part, the connecting part is connected to the return spring clamping part, a return spring deformation part is also arranged on the connecting part, the position of the return spring deformation part is perpendicular to the position of the return spring clamping part, and a return spring elastic part is arranged on the opposite side of the return spring deformation part and connected to the connecting part.

[0007] Preferably, the connecting portion is connected to at least two return spring clamping portions and at least one return spring deformation portion, and the return spring deformation portion is connected to one side of the connecting portion.

[0008] Preferably, a first plate-like structure is provided on the return spring clamping portion, one end of the first plate-like structure is connected to one end of the connecting portion, the other end of the first plate-like structure is provided with a curved structure, the curved structure comprises at least two circular arc segments and two straight line segments, the circular arc segments are connected by straight line segments, and an anti-slip structure is provided on the inner side of the return spring clamping portion.

[0009] Preferably, a second plate-like structure is provided on the return spring deformation portion, one end of the second plate-like structure is connected to one side of the connecting portion, and the other end of the second plate-like structure is provided with a bending structure, and the bending structure includes at least one.

[0010] Preferably, an elastic connecting structure is provided on the elastic part of the return spring, and a first elastic connecting arm and a second elastic connecting arm are respectively provided at both ends of the elastic connecting structure, and one end of the first elastic connecting arm and one end of the second elastic connecting arm are both connected to the elastic connecting structure.

[0011] Preferably, the elastic connection structure is a strip structure, and the number of the strip structure is greater than or equal to one;

[0012] The first elastic connecting arm and the second elastic connecting arm are both provided with an opening, and the opening is at least one;

[0013] The other end of the first elastic connecting arm is connected to one side of the connecting portion, and the first elastic connecting arm and the return spring deformation portion are arranged on both sides of the connecting portion;

[0014] The other end of the second elastic connecting arm is provided with a bending structure.

[0015] Preferably, grooves and a connecting portion are respectively provided at both ends of the first elastic connecting arm.

[0016] Preferably, the return spring is an integrally formed part.

[0017] The return spring can effectively solve the problem of shaking and force change of the friction plate during braking. Specifically, the return spring clamping part can stably fix the friction plate to prevent it from shaking too much during braking. At the same time, the return spring elastic part helps the friction plate to quickly and accurately return to its initial position after braking through the elastic force of the first elastic connecting arm and the second elastic connecting arm.

[0018] A brake comprises a return spring of a friction plate.

[0019] Preferably, the brake further comprises a friction plate, one end of which is provided with a friction plate support ear, and the friction plate is fixed on the bracket;

[0020] The return spring clamping part is in contact with the top arm of the friction plate support ear and the bottom arm of the friction plate support ear arranged on the return spring deformation part, respectively, and the return spring deformation part is in contact with the outer arm of the friction plate support ear arranged on the return spring deformation part;

[0021] The second elastic connecting arm is connected to the bracket.

[0022] Therefore, the utility model adopts the above brake, and the technical effects are as follows: this design not only improves the stability and safety of the brake system, but also prolongs the service life of the friction plate. In addition, the use of the return spring also simplifies the structure of the brake system and reduces the manufacturing cost and maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a state diagram of a return spring of a friction plate of the utility model being in a free position;

[0024] Figure 2 It is a schematic diagram of the structure in which the friction plate return spring of the utility model is connected to the friction plate support ear;

[0025] Figure 3 It is a schematic cross-sectional view of the return spring cross section after the return spring of the friction plate according to the embodiment of the utility model is connected with the friction plate and the bracket;

[0026] Figure 4 It is a structural schematic diagram of the return spring of the friction plate according to the embodiment of the utility model in the use state;

[0027] Figure 5 It is a structural schematic diagram of an exploded view of a return spring of a brake according to an embodiment of the utility model;

[0028] Figure 6 It is a partial structural schematic diagram of the brake described in an embodiment of the utility model.

[0029] Reference numerals

[0030] 1. return spring; 101. return spring clamping portion; 1011. first plate-shaped structure; 1012. bending structure; 102. return spring deformation portion; 1021. second plate-shaped structure; 1022. bending structure;

[0031] 103, return spring elastic part; 1031, elastic connection structure; 1032, first elastic connection arm; 1033, second elastic connection arm; 104, connection part;

[0032] 2. Friction plate; 3. Friction plate support ear; 301. Friction plate support ear top arm; 302. Friction plate support ear bottom arm; 303. Friction plate support ear outer arm; 4. Bracket; 5. Opening; 6. Bending structure; 7. Groove. DETAILED DESCRIPTION

[0033] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0034] Unless otherwise defined, technical or scientific terms used in the present invention should have the common meanings understood by persons having ordinary skills in the field to which the present invention belongs.

[0035] Embodiment 1

[0036] like Figure 1 As shown, the utility model provides a return spring for a friction plate, the return spring comprising a connecting portion 104, return spring clamping portions 101 are evenly arranged at both ends of the connecting portion 104, the connecting portion 104 is connected to the return spring clamping portion 101, a return spring deformation portion 102 is also arranged on the connecting portion 104, the position of the return spring deformation portion 102 is perpendicular to the position of the return spring clamping portion 101, and a return spring elastic portion 103 is arranged on the opposite side of the return spring deformation portion 102 and connected to the connecting portion 104.

[0037] The connecting portion 104 is connected to at least two return spring clamping portions 101 and at least one return spring deformation portion 102, and the return spring deformation portion 102 is connected to one side of the connecting portion 104. The return spring clamping portion 101 can be configured as an interval strip structure or an integral structure for clamping the friction plate support ear 3.

[0038] A first plate-like structure 1011 is provided on the return spring clamping part 101, one end of the first plate-like structure 1011 is connected to one end of the connecting part 104, and a curved structure 1012 is provided at the other end of the first plate-like structure 1011. The curved structure 1012 comprises at least two arc segments and two straight segments, and the arc segments are connected by straight segments to form an S-shaped structure. The first plate-like structure 1011 can be provided as a plurality of spaced-apart structures or a single integral structure. An anti-slip structure (not shown in the figure) is provided on the inner side of the return spring clamping part 101, such as an anti-slip groove or an anti-slip convex point, to increase the friction with the friction plate support ear and prevent sliding during braking.

[0039] A second plate-like structure 1021 is arranged on the return spring deformation portion 102, one end of the second plate-like structure 1021 is connected to one side of the connecting portion 104, and the other end of the second plate-like structure 1021 is arranged with a bending structure 1022, which includes at least one bending structure 1022, and the bending structure 1022 is arranged with multiple bending structures to better fix the friction plate support ear 3.

[0040] An elastic connection structure 1031 is provided on the return spring elastic part 103 , and a first elastic connection arm 1032 and a second elastic connection arm 1033 are respectively provided at both ends of the elastic connection structure 1031 , and one end of the first elastic connection arm 1032 and one end of the second elastic connection arm 1033 are both connected to the elastic connection structure 1031 .

[0041] The elastic connection structure 1031 is a strip structure, and the number of the strip structures is greater than or equal to one; the elastic connection structure 1031 can be a plurality of strip structures distributed at intervals, or can be set as a whole plate structure, which can be determined according to the characteristics of the material and the production cost.

[0042] Both the first elastic connecting arm 1032 and the second elastic connecting arm 1033 are provided with an opening 5, and there is at least one opening; providing a plurality of openings 5 ​​can make the openings 5 ​​on the first elastic connecting arm 1032 and the second elastic connecting arm 1033 form a mesh structure, or directly a large opening structure, which can be determined according to the processing technology.

[0043] The other end of the first elastic connecting arm 1032 is connected to one side of the connecting portion 104 , and the first elastic connecting arm 1032 and the return spring deformation portion 102 are disposed on both sides of the connecting portion 104 .

[0044] The other end of the second elastic connecting arm 1033 is provided with a bending structure 6, which can be bent into an arc shape or a straight plate shape, and the contact portion with the friction plate can better adapt to the shape of the friction plate and increase the contact area.

[0045] Two ends of the first elastic connecting arm 1032 are respectively provided with a groove 7 and the connecting portion 104 .

[0046] The return spring 1 is an integrally formed part, and is made of a highly elastic material, such as spring steel or stainless steel, to ensure that it has sufficient elasticity and durability.

[0047] Embodiment 2

[0048] like Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, a brake comprises a return spring 1 of a friction plate, and also comprises a friction plate 2, one end of the friction plate 2 is provided with a friction plate support ear 3, and the friction plate 2 is fixed on a bracket 4;

[0049] The return spring clamping portion 101 is in contact with the friction plate support ear top arm 301 and the friction plate support ear bottom arm 302 respectively arranged on the friction plate support ear 3, and the return spring deformation portion 102 is in contact with the friction plate support ear outer arm 303 arranged on the friction plate support ear 3; the second elastic connecting arm 1033 is connected to the bracket 4.

[0050] When the return spring 1 is in a free position, the first elastic connecting arm 1032 and the second elastic connecting arm 1033 are located outside the outer side wall of the bracket 4 and are arranged parallel to the outer side wall.

[0051] Working principle: Figure 4 As shown, when the brake is triggered, the return spring 1 of the friction plate 2 is forced to move in the braking process. Figure 3 Deformation and sliding in the direction of the arrow. When the brake is released, the deformation of the return spring 1 is restored, and the return spring 1 moves from the deformed state to the initial state, which will produce a displacement opposite to the braking direction, thereby pulling the brake block away from the brake disc to achieve a return effect.

[0052] Therefore, the utility model adopts the return spring and brake of the friction plate mentioned above, which solves the problem that the friction between the friction plate and the brake disc causes the friction plate to shake and change in force during the braking process, thereby affecting the stability and safety of the braking system. The design of the return spring not only helps the friction plate to quickly and accurately return to the initial position after braking, but also resists the shaking and force change generated during the braking process.

[0053] 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 this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A return spring for a friction plate, characterized in that: The return spring includes a connecting part, return spring clamping parts are evenly arranged at both ends of the connecting part, the connecting part is connected to the return spring clamping part, a return spring deformation part is also arranged on the connecting part, the position of the return spring deformation part is perpendicular to the position of the return spring clamping part, and a return spring elastic part is arranged on the opposite side of the return spring deformation part and connected to the connecting part.

2. A return spring for a friction plate according to claim 1, characterized in that: The connecting portion is connected to at least two return spring clamping portions and at least one return spring deformation portion, and the return spring deformation portion is connected to one side of the connecting portion.

3. A return spring for a friction plate according to claim 1, characterized in that: A first plate-like structure is arranged on the return spring clamping part, one end of the first plate-like structure is connected to one end of the connecting part, and the other end of the first plate-like structure is arranged with a curved structure, and the curved structure comprises at least two circular arc segments and two straight line segments, and the circular arc segments are connected by straight line segments, and an anti-slip structure is arranged on the inner side of the return spring clamping part.

4. A return spring for a friction plate according to claim 1, characterized in that: A second plate-like structure is arranged on the return spring deformation portion, one end of the second plate-like structure is connected to one side of the connection portion, and the other end of the second plate-like structure is arranged with a bending structure, and the bending structure includes at least one.

5. The return spring of a friction plate according to claim 1, characterized in that: An elastic connection structure is arranged on the elastic part of the return spring, and a first elastic connection arm and a second elastic connection arm are arranged at two ends of the elastic connection structure respectively, and one end of the first elastic connection arm and one end of the second elastic connection arm are both connected to the elastic connection structure.

6. A return spring for a friction plate according to claim 5, characterized in that: The elastic connection structure is a strip structure, and the number of the strip structures is greater than or equal to one; The first elastic connecting arm and the second elastic connecting arm are both provided with an opening, and the opening is at least one; The other end of the first elastic connecting arm is connected to one side of the connecting portion, and the first elastic connecting arm and the return spring deformation portion are arranged on both sides of the connecting portion; The other end of the second elastic connecting arm is provided with a bending structure.

7. A return spring for a friction plate according to claim 5, characterized in that: The two ends of the first elastic connecting arm are respectively provided with a groove and a connecting portion.

8. The return spring of a friction plate according to claim 1, characterized in that: The return spring is an integrally formed part.

9. A brake, characterized in that: A return spring comprising the friction plate as claimed in any one of claims 5 to 7.

10. A brake according to claim 9, characterized in that: The brake also includes a friction plate, one end of which is provided with a friction plate support ear, and the friction plate is fixed on the bracket; The return spring clamping part is in contact with the top arm of the friction plate support ear and the bottom arm of the friction plate support ear arranged on the return spring deformation part, respectively, and the return spring deformation part is in contact with the outer arm of the friction plate support ear arranged on the return spring deformation part; The second elastic connecting arm is connected to the bracket.

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