Clamp spring structure, brake caliper assembly, brake mechanism and vehicle

Abstract

The invention relates to a clamp spring structure, a brake caliper assembly, a brake mechanism and a vehicle, the clamp spring structure comprises an elastic part, the elastic part is convexly provided with a first abutting structure, and the first abutting structure is used for abutting against a brake lining to limit the position of the brake lining. According to the technical scheme, the friction force between the clamp spring structure and the brake lining is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of retaining spring structures, and in particular to a retaining spring structure, a brake caliper assembly, a brake mechanism and a vehicle. Background Art

[0002] At present, the return structure of the brake pad is mainly realized by a return spring sheet set on the caliper body. However, the existing retaining spring structure is in surface contact with the mating surface of the brake pad, which generates a large sliding friction resistance when the brake pad moves. This is not conducive to the return of the brake pad, thereby reducing the return efficiency of the brake pad. Summary of the Invention

[0003] The embodiments of the present application provide a retaining spring structure, a brake caliper assembly, a brake mechanism, and a vehicle, which reduce the friction between the retaining spring structure and the brake lining, thereby at least partially solving the above-mentioned technical problems.

[0004] In order to achieve the above-mentioned object, according to a first aspect of the present application, a clamping spring structure is provided, comprising:

[0005] The elastic part is provided with a first abutting structure protruding from the elastic part, and the first abutting structure is used to abut against the brake lining to limit the position of the brake lining.

[0006] Optionally, the elastic portion is a planar structure, and the first abutting structure protrudes toward the brake lining.

[0007] Optionally, at least a portion of the elastic portion is bent to form a first abutting structure.

[0008] Optionally, the first abutting structure extends along the length direction of the elastic portion.

[0009] Optionally, the retaining spring structure further includes a plurality of first protrusions; the plurality of first protrusions are arranged at intervals along the length direction of the elastic portion, or the plurality of first protrusions are arranged at intervals along the width direction of the elastic portion.

[0010] Optionally, the width of the first abutting structure is between 0.5 mm and 1.5 mm.

[0011] Optionally, the height of the first abutting structure is between 0.2 mm and 0.8 mm.

[0012] Optionally, the length of the first abutting structure is between 15 mm and 25 mm.

[0013] Optionally, it includes a connecting portion, a first clamping portion and a second clamping portion, the second clamping portion includes an elastic portion, and the first clamping portion and the second clamping portion are connected by the connecting portion to form a clamping space for clamping the brake lining.

[0014] Optionally, a second abutting structure is provided on the first clamping portion, and the second abutting structure is suitable for cooperating with the brake lining.

[0015] Optionally, the second abutting structure is formed by bending at least a portion of the first clamping portion.

[0016] Optionally, there are multiple second abutting structures, and the multiple second abutting structures are arranged at intervals on the first clamping portion.

[0017] Optionally, the clamping spring structure includes a clamping spring body and a clamping portion, the clamping portion includes an elastic return section and an elastic portion, and the elastic portion is connected to the clamping spring body via the elastic return section.

[0018] Optionally, the second clamping portion further includes an elastic return section and a body, and the elastic portion and the body are connected via the elastic return section.

[0019] Optionally, the elastic return segment includes a plurality of bent sub-segments, which are connected in sequence and provide elastic return force for the elastic part.

[0020] Optionally, a coating structure is provided on both the main body and the elastic part.

[0021] According to a second aspect of the present application, a brake caliper assembly is further provided. The brake caliper assembly includes a bracket and a retaining spring structure; the retaining spring structure is fixed to the bracket.

[0022] According to a third aspect of the present application, a braking mechanism is further provided, comprising a brake caliper assembly.

[0023] According to a fourth aspect of the present application, a vehicle is provided, comprising a brake caliper assembly.

[0024] The retaining spring structure of an embodiment of the present application includes an elastic portion having a first abutting structure protruding from the elastic portion. The first abutting structure is configured to abut a brake lining to restrict the position of the brake lining. Compared to a case where the elastic portion directly abuts the brake lining, the embodiment of the present application, by protruding the first abutting structure from the elastic portion and abutting the brake lining, can reduce the contact surface between the retaining spring structure and the brake lining, thereby reducing friction between the retaining spring structure and the brake lining, facilitating the return of the brake lining and thereby improving the return efficiency of the brake lining.

[0025] Other features and advantages of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0027] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings, wherein the same drawing numbers represent the same parts in the following description.

[0028] Figure 1 is a schematic diagram of the overall structure of a brake caliper assembly provided in an exemplary embodiment of the present disclosure;

[0029] Figure 2 is a schematic diagram of the overall structure of a clip spring structure provided in an exemplary embodiment of the present disclosure;

[0030] Figure 3 is a left side schematic view of a clip spring structure provided in an exemplary embodiment of the present disclosure;

[0031] Figure 4 is a schematic right side view of a clip spring structure provided in an exemplary embodiment of the present disclosure;

[0032] Figure 5 is an enlarged schematic diagram of a second bending structure provided in an exemplary embodiment of the present disclosure;

[0033] Figure 6 is an enlarged schematic diagram of a third bending structure provided in an exemplary embodiment of the present disclosure;

[0034] Figure 7 is an enlarged schematic diagram of a fourth bending structure provided in an exemplary embodiment of the present disclosure;

[0035] Figure 8 is an enlarged schematic diagram of a limiting structure provided in an exemplary embodiment of the present disclosure;

[0036] Figure 9 is a structural schematic diagram of a clamping spring structure of a second embodiment provided in an exemplary embodiment of the present disclosure;

[0037] Figure 10 is a structural schematic diagram of a clip spring structure according to a third embodiment of the present disclosure;

[0038] Figure 11 2 is a schematic structural diagram of a fourth embodiment of a retaining spring structure provided in an exemplary embodiment of the present disclosure.

[0039] Description of reference numerals:

[0040] 1. Retaining spring structure; 2. Brake lining; 10. Main body; 11. First clamping portion; 12. Second clamping portion; 13. Connecting portion; 20A. First abutting structure; 20B. Second abutting structure; 21. First bending portion; 32. Elastic portion; 41. First bending sub-segment; 42. Second bending sub-segment; 43. Third bending sub-segment; 44. Fourth bending sub-segment; 45. Fifth bending sub-segment; 46. Sixth bending sub-segment; 47. Seventh bending sub-segment; 48. Eighth bending sub-segment; 51. Second bending structure; 52. First bending segment; 53. Second bending segment; 61. Third bending structure; 62. Third bending segment; 63. Fourth bending segment; 64. Fourth bending structure. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0042] like Figures 1 to 11 As shown, in order to achieve the above purpose, according to the first aspect of the present application, a spring structure 1 is provided, including: an elastic part, the elastic part 32 is protruding with a first abutment structure 20A, and the first abutment structure 20A is used to abut against the brake lining 2 to limit the position of the brake lining 2.

[0043] Through the above technical solution, compared with the elastic part 32 directly abutting against the brake lining 2, the embodiment of the present application can reduce the contact area between the retaining spring structure 1 and the brake lining 2 by protruding the first abutting structure 20A on the elastic part 32 and making the first abutting structure 20A abut against the brake lining 2, so as to reduce the friction between the retaining spring structure 1 and the brake lining 2, which is beneficial to the return of the brake lining 2, thereby improving the return efficiency of the brake lining 2.

[0044] In some embodiments, the elastic portion 32 is a planar structure, and the first abutting structure 20A protrudes toward the brake lining 2. The above structure is simple and easy to process, which reduces the production cost of the device.

[0045] In some embodiments, at least a portion of the elastic portion is bent to form the first abutting structure 20A. The above structure is simple and easy to process, which reduces the production cost of the device.

[0046] In some embodiments, the first abutting structure 20A extends along the length direction of the elastic portion. The above structure is simple and easy to process, which reduces the production cost of the device.

[0047] In some embodiments, the retaining spring structure further includes a plurality of first protrusions, which are spaced apart along the length of the elastic portion, or spaced apart along the width of the elastic portion. This arrangement reduces friction on the brake pad 2, thereby improving the return efficiency of the brake pad 2.

[0048] In some embodiments, the width of the first abutment structure 20A is between 0.5 mm and 1.5 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0049] In some embodiments, the height of the first abutment structure 20A is between 0.2 mm and 0.8 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0050] In some embodiments, the length of the first abutment structure 20A is between 15 mm and 25 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0051] In some embodiments, the device includes a connecting portion 13, a first clamping portion 11, and a second clamping portion 12, wherein the second clamping portion 12 includes an elastic portion. The first clamping portion 11 and the second clamping portion 12 are connected by the connecting portion 13 to form a clamping space for clamping the brake lining 2. The above structure is simple and easy to process, reducing the production cost of the device.

[0052] In some embodiments, the first clamping portion 11 is provided with a second abutment structure 20B adapted to engage with the brake lining. This arrangement not only facilitates structural fabrication but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and facilitating mass production of the device.

[0053] In some embodiments, the second abutting structure 20B is formed by bending at least a portion of the first clamping portion 11. The above structure is simple and easy to process, which reduces the production cost of the device.

[0054] In some embodiments, there are multiple second abutting structures 20B, and the multiple second abutting structures 20B are spaced apart and arranged on the first clamping portion 11. The above structure is simple and easy to process, which reduces the production cost of the device.

[0055] In some embodiments, the elastic portion 32 comprises a plurality of sequentially connected bent sub-segments. The elastic portion 32 is used to apply a force from the second clamping portion 12 toward the first clamping portion 11 to the brake lining 2. This arrangement not only facilitates structural fabrication but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and facilitating mass production of the device.

[0056] In some embodiments, the elastic portion 32 includes first through eighth bent sub-segments 48, with the first bent sub-segment 41 having a bending angle ranging from 119° to 121°. This arrangement not only facilitates structural fabrication but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and facilitating mass production.

[0057] In some embodiments, the bending radius of the first bending sub-segment 41 is 1 mm to 1.5 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0058] In some embodiments, the bending angle of the second bending sub-segment 42 is 119°-121°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0059] In some embodiments, the bending radius of the second bending sub-segment 42 is 3 mm to 3.5 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0060] In some embodiments, the bending angle of the third bending sub-segment 43 is 89°-91°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0061] In some embodiments, the bending radius of the third bending sub-segment 43 is 2 mm to 2.5 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0062] In some embodiments, the bending angle of the fourth bending sub-segment 44 is 89°-91°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0063] In some embodiments, the bending radius of the fourth bending sub-segment 44 is 1 mm to 1.5 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0064] In some embodiments, the bending angle of the fifth bending sub-segment 45 is 89°-91°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0065] In some embodiments, the bending radius of the fifth bending sub-segment 45 is 0.8 mm to 1 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0066] In some embodiments, the bending angle of the sixth bending sub-segment 46 is 89°-91°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0067] In some embodiments, the bending radius of the sixth bending sub-segment 46 is 0.8 mm to 1 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0068] In some embodiments, the bending angle of the seventh bending sub-segment 47 ranges from 130° to 132°. This configuration not only facilitates structural processing but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0069] In some embodiments, the bending radius of the seventh bending sub-segment 47 is 1 mm to 1.5 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0070] In some embodiments, the bending angle of the eighth bending sub-segment 48 ranges from 155° to 157°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0071] In some embodiments, the bending radius of the eighth bending sub-segment 48 is 1 mm to 1.5 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0072] In some embodiments, the retaining spring structure 1 further includes a second bent structure 51 disposed on the connecting portion 13. The body 10 is connected to the fixing bracket of the brake lining 2 via the second bent structure 51. This arrangement not only facilitates structural processing but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0073] In some embodiments, the second bent structure 51 includes a first bent section 52 and a second bent section 53 connected in sequence, with the first bent section 52 being configured to connect to the connecting portion 13. This arrangement not only facilitates structural processing but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0074] In some embodiments, the bending angle of the first bending section 52 is 167°-172°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0075] In some embodiments, the bending radius of the first bending section 52 is 1 mm to 1.5 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0076] In some embodiments, the bending angle of the second bending section 53 is 149°-151°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0077] In some embodiments, the bending radius of the second bending section 53 is 0.6 mm to 0.8 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0078] In some embodiments, the retaining spring structure 1 further includes a third bent structure 61, which is disposed at the other end of the connecting portion 13. The body 10 is connected to the fixing bracket of the brake lining 2 via the third bent structure 61. This arrangement not only facilitates structural processing but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0079] In some embodiments, the third bent structure 61 includes a third bent section 62 and a fourth bent section 63 connected in sequence, with the third bent section 62 being configured to connect to the connecting portion 13. This arrangement not only facilitates structural processing but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0080] In some embodiments, the bending angle of the third bending section 62 is 80°-82°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0081] In some embodiments, the bending radius of the third bending section 62 is 0.8 mm to 1 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0082] In some embodiments, the bending angle of the fourth bending section 63 is 164°-166°. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0083] In some embodiments, the bending radius of the fourth bending section 63 is 0.8 mm to 1 mm. This configuration not only facilitates structural processing, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0084] In some embodiments, the retaining spring structure 1 further includes a fourth folded structure 64 disposed on the second clamping portion 12. The body 10 is connected to the fixing bracket of the brake lining 2 via the fourth folded structure 64. This arrangement not only facilitates structural processing but also reduces friction on the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0085] In some embodiments, the bending angle of the fourth bending structure 64 is 96°-99°. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass-produce.

[0086] In some embodiments, the bending radius of the fourth bending structure 64 is 1 mm to 1.5 mm. This configuration not only facilitates the processing of the structure, but also meets the requirement of reducing the friction of the brake lining 2, thereby improving the return efficiency of the brake lining 2 and making the device easier to mass produce.

[0087] The clamping spring structure 1 includes a clamping spring body and a clamping portion, the clamping portion includes an elastic return section and an elastic portion, and the elastic portion is connected to the clamping spring body via the elastic return section. The above structure is simple and easy to process, which reduces the production cost of the device.

[0088] In some embodiments, the second clamping portion 12 further includes an elastic return section and a body, and the elastic portion and the body are connected via the elastic return section. The above structure is simple and easy to process, which reduces the production cost of the device.

[0089] In some embodiments, the elastic return section includes a plurality of bent sub-segments, which are sequentially connected and provide elastic return force for the elastic portion. The above structure is simple and easy to process, which reduces the production cost of the device.

[0090] In some embodiments, both the body 10 and the elastic portion 32 are provided with a coating structure. The coating structure is made of NBR and has a thickness of 0.05 mm. This coating has excellent corrosion resistance and is almost immune to strong acids, strong bases, and brake fluid. It also has good high temperature resistance and is not easily decomposed and damaged under certain extreme high temperature braking conditions.

[0091] According to a second aspect of the present application, a brake caliper assembly is further provided. The brake caliper assembly includes a bracket and a retaining spring structure 1 ; the retaining spring structure 1 is fixed to the bracket.

[0092] According to a third aspect of the present application, a braking mechanism is further provided, comprising a brake caliper assembly.

[0093] According to a fourth aspect of the present application, a vehicle is provided, comprising a brake caliper assembly.

[0094] The retaining spring structure 1 of the present embodiment includes an elastic portion 32, with a first abutting structure 20A protruding from the elastic portion 32. The first abutting structure 20A is configured to abut against the brake lining 2 to restrict the position of the brake lining 2. Through the above technical solution, the frictional contact between the first abutting structure 20A and the brake lining is changed from surface contact friction to line contact friction, significantly reducing sliding friction, thereby facilitating the return of the brake lining, which would otherwise reduce the return efficiency of the brake lining.

[0095] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0096] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0097] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0098] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0099] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0100] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A retaining spring structure for use with a brake lining, characterized in that: include: The elastic portion is provided with a first abutting structure protruding from the elastic portion, and the first abutting structure is used to abut against the brake lining to limit the position of the brake lining.

2. The retaining spring structure according to claim 1, wherein: The elastic portion is a planar structure, and the first abutting structure protrudes toward the brake lining.

3. The retaining spring structure according to claim 1, wherein: At least a portion of the elastic portion is bent to form the first abutting structure.

4. The retaining spring structure according to claim 3, characterized in that: The first abutting structure extends along a length direction of the elastic portion.

5. The retaining spring structure according to claim 4, characterized in that: The clamping spring structure further includes a plurality of first protrusions; The plurality of first protrusions are arranged at intervals along the length direction of the elastic portion, or the plurality of first protrusions are arranged at intervals along the width direction of the elastic portion.

6. The retaining spring structure according to claim 1, wherein: The width of the first abutting structure is between 0.5 mm and 1.5 mm.

7. The retaining spring structure according to claim 1, wherein: The height of the first abutting structure is between 0.2 mm and 0.8 mm.

8. The retaining spring structure according to claim 1, wherein: The length of the first abutting structure is between 15 mm and 25 mm.

9. The retaining spring structure according to claim 1, wherein: The brake lining comprises a connecting portion, a first clamping portion and a second clamping portion, wherein the second clamping portion comprises the elastic portion, and the first clamping portion and the second clamping portion are connected via the connecting portion to form a clamping space for clamping the brake lining.

10. The retaining spring structure according to claim 9, wherein: The first clamping portion is provided with a second abutting structure, and the second abutting structure is suitable for cooperating with the brake lining.

11. The retaining spring structure according to claim 10, wherein: The second abutting structure is formed by bending at least a portion of the first clamping portion.

12. The retaining spring structure according to claim 10, wherein: There are a plurality of the second abutting structures, and the plurality of the second abutting structures are spaced apart and arranged on the first clamping portion.

13. The retaining spring structure according to claim 1, wherein: The clamping spring structure includes a clamping spring body and a clamping portion. The clamping portion includes an elastic return section and the elastic portion. The elastic portion is connected to the clamping spring body via the elastic return section.

14. The retaining spring structure according to claim 9, wherein: The second clamping portion further includes an elastic return section and a body, and the elastic portion and the body are connected via the elastic return section.

15. The retaining spring structure according to claim 14, wherein: The elastic return section includes a plurality of bent sub-segments, which are connected in sequence and provide elastic return force for the elastic part.

16. The clip spring structure according to any one of claims 1 to 15, characterized in that: The clamping spring structure (10) is provided with a coating structure.

17. A brake caliper assembly, characterized in that: The brake caliper assembly includes a bracket and a retaining spring structure according to any one of claims 1 to 16; The clip structure is fixed to the bracket.

18. A braking mechanism, characterized in that: The brake mechanism includes the brake caliper assembly according to claim 17 .

19. A vehicle, characterized in that: The vehicle includes the brake mechanism of claim 18 .

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