Pressing buckle type sheath, brake pad assembly and assembling method

Abstract

The invention relates to a pressing buckle type sheath which comprises a clamping part, a fixing part and a bending part which are connected in sequence. A clamping groove is formed in the side, away from the fixing part, of the bent part, and after the bent part is bent under external force, the clamping part is clamped into the clamping groove. The pressing buckle type sheath has the beneficial effects that the pressing buckle type sheath is bent according to needs and then clamped to form a closed loop, the structure is simple, operation is convenient, and applicability is high; besides, due to the specific structural design of the pressing buckle type sheath, the pressing buckle type sheath can be bent only by enough external force, and due to the design of the clamping body, the clamping groove and the like, clamping operation is facilitated; in the using process, when the fixing part is subjected to force in the direction away from the second bent section, the buckling force of the pressing buckle type sheath can be improved, and then the stability and strength of the pressing buckle type sheath in the working process are improved.

Description

Technical Field

[0001] This invention relates to the field of brake pad technology, specifically a snap-fit ​​sheath, brake pad assembly, and assembly method. Background Technology

[0002] Currently, many brake pads in the industry use stainless steel sleeves to ensure the installation limit of the springs on the brake pads. The sleeves need to maintain a certain tensile strength during installation, which is generally achieved through laser welding. However, at least the following defects exist during brake pad installation: 1. To install the spring sheet onto the brake pad through the sheath, welding equipment needs to be purchased, which is costly and requires a large investment. 2. In order to ensure welding quality, carbon dioxide shielding gas is required, which increases the cost of auxiliary materials. In addition, the use of carbon dioxide shielding gas welding results in high electricity consumption and increased carbon emissions, causing environmental impact. Summary of the Invention

[0003] This invention addresses the technical problems existing in the prior art by providing a snap-fit ​​sheath, a brake pad assembly, and an assembly method.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: The first aspect of this invention protects a snap-on sheath, comprising a snap-fit ​​portion, a fixing portion, and a bending portion connected in sequence. A slot is provided on the side of the bent portion opposite to the fixed portion. After the bent portion is bent under external force, the engaging portion is engaged in the slot.

[0005] As a further technical solution, one end of the engaging portion that is opposite to the fixing portion engages in the slot.

[0006] As a further technical solution, the engaging part includes a first connecting segment, a second connecting segment, and an engaging body connected in sequence; The end of the first connecting segment that faces away from the second connecting segment is connected to the fixing part; The locking body engages with the slot.

[0007] As a further technical solution, the two ends of the engaging body are perpendicularly connected to the first connecting segment and the engaging body, respectively.

[0008] As a further technical solution, the included angle α between the first connecting segment and the fixing part is less than or equal to 90°.

[0009] As a further technical solution, the bending portion includes a first bending segment and a second bending segment connected together; The end of the first bent segment away from the second bent segment is connected to the fixing part. After the first bent segment is bent under the action of external force, the second bent segment is located below the engaging part, so that the end of the engaging part away from the fixing part is engaged in the slot opened on the second bent segment.

[0010] As a further technical solution, the engaging part, the fixing part, and the bending part are integrally formed.

[0011] A second aspect of the present invention protects a brake pad assembly comprising a snap-fit ​​sheath as described in the first aspect.

[0012] As a further technical solution, a spring sheet is also included, which is fixed to the brake pad assembly by a snap-fit ​​sleeve.

[0013] The third aspect of this invention protects a method for assembling a brake pad assembly, including a snap-fit ​​sheath as described in the first aspect; the assembly steps are as follows: S1. Place the spring plate on the outer edge of the brake pad; S2. The engaging part passes through the through hole on the brake pad, and then the bending part is bent along the width direction of the spring sheet by external force, so that the end of the bending part away from the fixing part is located in the through hole of the brake pad and is located at the lower part of the engaging part. S3. Insert the end of the engaging part away from the fixing part into the slot of the bending part to fix the spring sheet onto the brake pad.

[0014] The beneficial effects of this invention are: 1. The snap-on sheath of the present invention can be bent and snapped together to form a closed loop as needed. It has a simple structure, is easy to operate, and has strong applicability. In addition, the specific structural design of the snap-on sheath only requires sufficient external force to be bent, and the design of the snap-on body, the snap-on groove, etc., facilitates the snap-on operation. During use, when the fixing part is subjected to a force away from the direction of the second bending segment, it will increase the snap-on force of the snap-on sheath, thereby improving the stability and strength of the snap-on sheath during operation. 2. The spring sheet is installed on the brake pad assembly using a snap-on sleeve, which is more time-saving and easier to install than the traditional sleeve structure that requires welding. It does not require the purchase of welding equipment and is low in cost. 3. In the brake pad assembly of the present invention, a snap-fit ​​sleeve is used to assemble the spring pad, which eliminates the need for welding. Simply place the spring pad in the installation position and use the snap-fit ​​sleeve to fix it to the brake pad. The assembly is convenient, requires less equipment, is quick and environmentally friendly. Attached Figure Description

[0015] Figure 1 This is a schematic cross-sectional view of a snap-on sheath according to the present invention; Figure 2This is a three-dimensional structural diagram of a snap-on sheath according to the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of a snap-on sheath after it is closed according to the present invention; Figure 4 This is a partial structural schematic diagram of the brake pad assembly of the present invention.

[0016] The attached diagram lists the components represented by each number as follows: Engaging part 1, first connecting section 11, second connecting section 12, engaging body 13; Fixing part 2; 3. Bending section; 31. Slot; 32. First bending section; 33. Second bending section; Spring plate 4, brake plate 5. Detailed Implementation

[0017] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0018] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0019] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to make and use the invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the invention can be made without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the invention with unnecessary detail. Therefore, the invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0020] Example 1 See Figures 1-3This embodiment provides a snap-on sheath, including a snap-fit ​​part 1, a fixing part 2, and a bending part 3 connected in sequence; a slot 31 is provided on the side of the bending part 3 opposite to the fixing part 2, and the snap-fit ​​part 1 is snapped into the slot 31 after the bending part 3 is bent under external force.

[0021] For example, the engaging part 1, the fixing part 2, and the bending part 3 are integrally formed. For example, the engaging part 1, the fixing part 2, and the bending part 3 are all made of stainless steel, and more specifically, they can be made of 301 stainless steel.

[0022] For example, the snap-on sheath in this embodiment is a sheet metal part.

[0023] It should be noted that when using the snap-on sheath of this embodiment, it is snapped together by external force to achieve the locking function. The external force tool used can be selected according to the needs and scenarios.

[0024] For example, the slot 31 has an oval hole structure and extends through the thickness of the bent portion 3.

[0025] See Figures 1-3 In the specific implementation process, the end of the engaging part 1 that is opposite to the fixing part 2 is engaged in the slot 31. That is, the end of the engaging part 1 is set to a width that is adapted to the slot 31 so as to be engaged in the slot 31. For example, when the snap-on sheath is bent and enters the working state, the longitudinal cross-section of one side can be rectangular.

[0026] See Figure 1 , Figure 3 In its specific implementation, the engaging part 1 includes a first connecting segment 11, a second connecting segment 12, and an engaging body 13 connected sequentially. The end of the first connecting segment 11 facing away from the second connecting segment 12 is connected to the fixing part 2. The engaging body 13 is engaged in the slot 31. For example, the length of the first connecting segment 11 is greater than the length of the second connecting segment 12 and the length of the engaging body 13, and the two ends of the engaging body 13 are perpendicularly connected to the first connecting segment 11 and the engaging body 13, respectively, so that the first connecting segment 11, the second connecting segment 12, and the engaging body 13 form a U-shape, and the opening direction of the U-shape is the same as the bending direction of the bending part 3.

[0027] It should be noted that the length of the locking body 13 is selected as needed so that it is not easily dislodged when locked into the slot 31.

[0028] Furthermore, the included angle α between the first connecting segment 11 and the fixing part 2 is less than or equal to 90°, so that after the bending part 3 is bent, the slot 31 is located at the lower part of the engaging part 1, and at the same time, it is convenient for the end of the engaging part 1 to be engaged in the slot 31. At this time, the space formed by the engaging part 1, the fixing part 2, and the bending part 3 is used to fix other structures, such as fixing the spring plate 4 to the brake pad assembly of the disc brake. When the brake is working, if the inner wall of this space receives a thrust, it will increase the locking force of the snap-fit ​​sleeve on the spring plate 4.

[0029] See Figures 1-3 In the specific implementation process, the bending part 3 includes a first bending segment 32 and a second bending segment 33 connected together; the end of the first bending segment 32 away from the second bending segment 33 is connected to the fixing part 2. After the first bending segment 32 is bent under the action of external force, the second bending segment 33 is located at the lower part of the engaging part 1, so that the end of the engaging part 1 away from the fixing part 2 is engaged in the slot 31 opened on the second bending segment 33. At this time, the second bending segment 33 is located below the engaging part 1, and at the same time, the engaging body 13 is engaged in the slot 31.

[0030] It should be noted that the longitudinal section of the fixing part 2 is an inverted trapezoid, and the surface of the first bent section 32 opposite to the fixing part 2 after bending is also an inverted trapezoid, and has the same shape as the fixing part 2.

[0031] To reduce weight, an oblong hole can be provided on the first bending section 32, for example, the oblong hole is located at the upper corner.

[0032] The present invention has a simple structure and can be bent by external force to form a closed loop. It can be used as a locking part to fix other structures. It is easy to operate, highly versatile, and the sheath is easy to disassemble and reassemble and can be reused.

[0033] Example 2 See Figure 4 This embodiment provides a brake pad assembly, including a snap-fit ​​sleeve as described in Embodiment 1. Further, it also includes a spring sheet 4, which is fixed to the brake pad assembly by the snap-fit ​​sleeve. Compared to existing sleeve structures, this embodiment eliminates the need for welding equipment, resulting in lower cost and stronger structural stability.

[0034] Example 3 This embodiment provides a method for assembling a brake pad assembly, including a snap-fit ​​sleeve as described in Embodiment 1; the assembly steps are as follows: S1. Place the spring plate 4 on the outer edge of the brake plate 5; S2. The engaging part 1 passes through the through hole on the brake pad 5, and then the bending part 3 is bent along the width direction of the spring plate 4 by external force, so that the end of the bending part 3 away from the fixing part 2 is located in the through hole of the brake pad 5 and is located at the lower part of the engaging part 1. S3. Insert the end of the engaging part 1 away from the fixing part 2 into the slot 31 of the bending part 3 to fix the spring sheet 4 onto the brake sheet 5.

[0035] For example, in step S2, if a through hole is provided on the spring sheet 4, the wire of the engaging part 1 can be passed through the through hole and then through the through hole on the brake sheet 5 to improve the stability of the spring sheet 4 on the brake sheet.

[0036] In this embodiment, the installation of the spring sheet only requires bending and snapping due to the snap-fit ​​sleeve structure. There is no need to use welding equipment to weld the sleeve. Therefore, the assembly method in this embodiment is time-saving, quick, convenient, and reduces costs.

[0037] It should be noted that the other assembly steps and methods of the brake pad assembly are the same as those of the existing structure and methods, so they will not be described in detail.

[0038] It should be noted that the descriptions of each embodiment in the above embodiments have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0039] Although preferred embodiments of the invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including both the preferred embodiments and all changes and modifications falling within the scope of the invention.

[0040] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A snap-on sheath, characterized in that, It includes a sequentially connected engagement part (1), a fixing part (2), and a bending part (3); A slot (31) is provided on the side of the bent part (3) away from the fixed part (2). After the bent part (3) is bent under external force, the engaging part (1) is engaged in the slot (31).

2. The snap-on sheath according to claim 1, characterized in that, The end of the engaging part (1) that is opposite to the fixing part (2) engages in the slot (31).

3. A snap-on sheath according to claim 2, characterized in that, The engaging part (1) includes a first connecting segment (11), a second connecting segment (12), and an engaging body (13) connected in sequence. The end of the first connecting segment (11) facing away from the second connecting segment (12) is connected to the fixing part (2); The locking body (13) is inserted into the slot (31).

4. A snap-on sheath according to claim 3, characterized in that, The two ends of the locking body (13) are perpendicularly connected to the first connecting segment (11) and the locking body (13), respectively.

5. A snap-on sheath according to claim 4, characterized in that, The included angle α between the first connecting segment (11) and the fixing part (2) is less than or equal to 90°.

6. A snap-on sheath according to claim 1, characterized in that, The bent portion (3) includes a first bent segment (32) and a second bent segment (33) connected together. The end of the first bent segment (32) away from the second bent segment (33) is connected to the fixing part (2). After the first bent segment (32) is bent under the action of external force, the second bent segment (33) is located at the lower part of the engaging part (1) so that the end of the engaging part (1) away from the fixing part (2) is engaged in the slot (31) opened on the second bent segment (33).

7. A snap-on sheath according to any one of claims 1-5, characterized in that, The engaging part (1), the fixing part (2), and the bending part (3) are integrally formed.

8. A brake pad assembly, characterized in that, Includes a snap-on sheath as described in any one of claims 1-7.

9. A brake pad assembly according to claim 8, characterized in that, It also includes a spring sheet (4), which is fixed to the brake pad assembly by a snap-fit ​​sleeve.

10. A method for assembling a brake pad assembly, characterized in that: Includes a snap-on sheath as described in any one of claims 1-7; the assembly steps are as follows: S1. Place the spring sheet (4) on the outer edge of the brake sheet (5); S2. The engaging part (1) passes through the through hole opened on the brake pad (5), and then the bending part (3) is bent along the width direction of the spring plate (4) by external force, so that the end of the bending part (3) away from the fixing part (2) is located in the through hole of the brake pad (5) and is located at the lower part of the engaging part (1). S3. Insert the end of the engaging part (1) away from the fixing part (2) into the slot (31) of the bending part (3) to fix the spring sheet (4) onto the brake sheet (5).

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