Brake pad structure

Abstract

The utility model discloses a brake pad structure which comprises a back plate, a fixing groove is formed in the back plate, a screw hole is formed in the fixing groove, a fixing block is inserted in the fixing groove, a penetrating hole is formed in the fixing block, a fixing screw penetrates through the penetrating hole, and the tail end of the fixing screw is in threaded connection with the interior of the screw hole. The fixing blocks are distributed in pairs, a first friction material is fixedly connected between the fixing blocks, and a second friction material is arranged on the side face of the first friction material. According to the brake pad structure, the fixing screw is screwed out of the threaded hole, then the residual first friction material is taken down, and a new first friction material is replaced, so that a worker does not need to replace the whole brake pad and only needs to replace the first friction material, and the replacement cost is low.

Description

Technical Field

[0001] This utility model relates to the field of brake pad technology, specifically a brake pad structure. Background Technology

[0002] Brake pads, also known as brake linings, are friction materials fixed to the brake drum or brake disc that rotates with the wheel. The friction linings and friction blocks therein withstand external pressure and generate friction to achieve the purpose of vehicle deceleration.

[0003] The brake pad structure currently available on the market has the following problems during use:

[0004] 1. In the application of traditional brake pad structure, the friction material of the brake pad will gradually wear down and be consumed with the number of uses after a long period of use. Since the existing friction material cannot be replaced, once it is worn out, the entire brake pad needs to be replaced, which makes the replacement cost high.

[0005] 2. In most brake pad designs, the brake pads are installed and fixed inside the caliper by a snap-fit ​​mechanism. Over time, the snap-fit ​​mechanism and the caliper connection point are prone to rust, causing a large amount of rust to accumulate in the gap between the brake pads and the caliper. This can easily cause the connection between the caliper and the brake pads to jam, making it time-consuming and laborious for workers to replace or remove the brake pads. Utility Model Content

[0006] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0007] 1. Technical problems to be solved:

[0008] To address the issues mentioned above, where existing friction materials require replacement of the entire brake pad once depleted, resulting in high replacement costs, and where the connection between the caliper and brake pad is prone to jamming due to the accumulation of rust, making brake pad replacement time-consuming and labor-intensive, this utility model was proposed.

[0009] Therefore, the purpose of this utility model is to provide a brake pad structure that allows workers to replace only the first friction material without replacing the entire brake pad, thus reducing replacement costs. Secondly, it prevents the connection between the caliper and the brake pad from getting stuck due to a large amount of rust, making it easier and less time-consuming and labor-saving for workers to replace and remove the brake pad.

[0010] 2. Technical Solution:

[0011] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0012] A brake pad structure includes a back plate, a fixing groove inside the back plate, a screw hole inside the fixing groove, a fixing block inserted inside the fixing groove, a through hole inside the fixing block, a fixing screw passing through the through hole, the end of the fixing screw being threaded into the screw hole, the fixing blocks being distributed in pairs, a first friction material being fixedly connected between the fixing blocks, and a second friction material being provided on the side of the first friction material.

[0013] In a preferred embodiment of the brake pad structure of this utility model, an mounting block is installed on the side of the back plate, a groove is formed inside the mounting block, a slot is formed inside the groove, a locking block is inserted inside the slot, and a rigid rubber plate is fixedly connected to the outside of the locking block, with the rigid rubber plate located inside the groove.

[0014] In a preferred embodiment of the brake pad structure of this utility model, an adhesive layer is provided on the outside of the back plate, and a heat insulation layer is installed on the side of the adhesive layer.

[0015] In a preferred embodiment of the brake pad structure of this utility model, a base pad is installed on the side of the heat insulation layer, and a second friction material is installed on the outside of the base pad. Both the second friction material and the first friction material have grooves inside.

[0016] In a preferred embodiment of the brake pad structure of this utility model, a limiting block is installed on the outside of the back plate, and a connecting block is fixedly connected to the outside of the back plate.

[0017] In a preferred embodiment of the brake pad structure of this utility model, a sound-absorbing plate is installed on the outside of the back plate, a connecting hole is provided inside the sound-absorbing plate, and a limiting hole is provided inside the sound-absorbing plate.

[0018] In a preferred embodiment of the brake pad structure of this utility model, a connecting block passes through the connecting hole, and a retaining ring is installed on the outside of the connecting block.

[0019] 3. Beneficial effects:

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] This type of brake pad structure allows for the removal of residual first friction material by unscrewing the fixing screws out of the threaded hole and replacing them with new first friction material. This eliminates the need for workers to replace the entire brake pad, requiring only the replacement of the first friction material, thus reducing replacement costs.

[0022] This type of brake pad structure, by having a hard rubber plate inside the mounting block, prevents the formation of a large amount of rust that could compress the gap between the brake pad and the caliper. This makes it less likely for the connection between the caliper and the brake pad to jam due to a large amount of rust, thus saving time and effort for workers when replacing or removing the brake pads. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0024] Figure 1 This is a schematic diagram of the overall structure of a brake pad structure according to the present invention;

[0025] Figure 2 This is a schematic diagram of the groove structure of a brake pad structure according to the present invention;

[0026] Figure 3 This utility model relates to a brake pad structure. Figure 2 Enlarged view of section A in the middle;

[0027] Figure 4 This is a schematic diagram of the fixing block structure of a brake pad structure according to the present invention;

[0028] Figure 5 This is a schematic diagram of the rigid rubber plate structure of a brake pad according to the present invention;

[0029] Figure 6 This is a schematic diagram of a retaining ring structure for a brake pad according to the present invention;

[0030] Figure 7 This is a schematic diagram of the connecting block structure of a brake pad structure according to the present invention.

[0031] The following are the labels in the diagram: 1. Back plate; 2. Mounting block; 3. Base pad; 4. Heat insulation layer; 5. Adhesive layer; 6. First friction material; 7. Groove; 8. Slot; 9. Second friction material; 10. Groove; 11. Fixing groove; 12. Fixing screw; 13. Through hole; 14. Screw hole; 15. Fixing block; 16. Locking block; 17. Hard plastic plate; 18. Sound damping sheet; 19. Connecting block; 20. Snap ring; 21. Limiting block; 22. Connecting hole; 23. Limiting hole. Detailed Implementation

[0032] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0033] This utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not be construed as limiting the scope of protection of this utility model. In actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0034] The orientation or positional relationship indicated in the terminology is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0035] The term "connection method" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] The embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0037] This utility model provides an overall structural diagram of one embodiment of a brake pad structure, including:

[0038] Please see Figures 1-7 This embodiment of a brake pad structure includes a back plate 1, with a fixing groove 11 inside the back plate 1. A screw hole 14 is provided inside the fixing groove 11, and a fixing block 15 is inserted inside the fixing groove 11. A through hole 13 is provided inside the fixing block 15, through which a fixing screw 12 passes. The end of the fixing screw 12 is threaded into the screw hole 14. The fixing blocks 15 are arranged in pairs, and a first friction material 6 is fixedly connected between the fixing blocks 15. A second friction material 9 is provided on the side of the first friction material 6. When the brake pad has been used for a certain number of kilometers, the fixing screw 12 can be unscrewed from the threaded hole, and the remaining first friction material 6 can be removed and replaced with a new first friction material 6. This eliminates the need to replace the entire brake pad, requiring only the replacement of the first friction material 6, thus reducing replacement costs.

[0039] It is worth noting that, in order to prevent the gap between the caliper and the brake pad from getting stuck due to a large amount of rust, a mounting block 2 is installed on the side of the back plate 1. The mounting block 2 has a groove 7 inside, and a slot 8 inside the groove 7. A locking block 16 is inserted into the slot 8. A rigid rubber plate 17 is fixedly connected to the outside of the locking block 16. The rigid rubber plate 17 is located inside the groove 7. The presence of the rigid rubber plate 17 inside the mounting block 2 prevents the formation of a large amount of rust that could compress the gap between the brake pad and the caliper. This makes it less likely for the caliper and brake pad to get stuck due to a large amount of rust, saving time and effort for the staff when replacing or removing the brake pads.

[0040] Next, in order to effectively isolate the heat generated by friction, the back plate 1 is provided with an adhesive layer 5 on the outside, and a heat insulation layer 4 is installed on the side of the adhesive layer 5. The heat insulation layer 4 can be installed and fixed through the adhesive layer, and the heat insulation layer 4 can effectively isolate the heat generated by friction from the back plate 1.

[0041] Meanwhile, in order to install and fix the second friction material 9, specifically, a base pad 3 is installed on the side of the heat insulation layer 4, and the second friction material 9 is installed on the outside of the base pad 3. The second friction material 9 and the first friction material 6 are both provided with grooves 10. The base pad 3 can effectively install and fix the second friction material 9, and the groove 10 structure can effectively slow down the heat decay.

[0042] Furthermore, in order to install and fix the sound-absorbing plate 18, specifically, a limiting block 21 is installed on the outside of the back plate 1, and a connecting block 19 is fixedly connected to the outside of the back plate 1. The limiting block 21 can fix the sound-absorbing plate 18 well, and the connecting block 19 can effectively fix the snap ring 20 structure.

[0043] It is worth noting that, in order to achieve the effect of noise reduction, a sound-absorbing plate 18 is installed on the outside of the back plate 1. The sound-absorbing plate 18 has a connecting hole 22 and a limiting hole 23. The sound-absorbing plate 18 can effectively absorb noise and minimize the transmission of noise. The limiting hole 23 can fix the sound-absorbing plate 18 well, and the connecting hole 22 can effectively allow the connecting block 19 to pass through.

[0044] Finally, in order to facilitate the installation of brake pads, specifically, the connecting block 19 passes through the inside of the connecting hole 22, and a retaining ring 20 is installed on the outside of the connecting block 19. Through the structure of the retaining ring 20, it can be effectively matched and connected to the piston.

[0045] Combination Figures 1-7 The specific usage process of one brake pad structure in this embodiment is as follows:

[0046] 1: According to the actual use, a fixing groove 11 can be opened inside the back plate 1, and a screw hole 14 can be opened inside the fixing groove 11. Then, a fixing block 15 is inserted inside the fixing groove 11, and a through hole 13 is opened inside the fixing block 15. A fixing screw 12 passes through the through hole 13, and the end of the fixing screw 12 is threaded into the screw hole 14. The fixing blocks 15 are distributed in pairs. Then, a first friction material 6 is fixedly connected between the fixing blocks 15, and a second friction material 9 is provided on the side of the first friction material 6.

[0047] 2: As the brake pads are used for a certain number of kilometers, the first friction material 6 will gradually wear down. The second friction material 9 will prevent the base pad 3 from directly rubbing against the brake disc, thus avoiding damage to the brake disc support. When the first friction material 6 is almost worn out, the fixing screw 12 can be loosened to unscrew the screw hole 14, and the fixing block 15 can be pulled out of the fixing groove 11. The remaining first friction material 6 can then be removed and replaced with a new one. The fixing block 15 is inserted into the fixing groove 11, and the fixing screw 12 is threaded through the through hole 13 and screw hole 14. In this way, after the brake pads have been used for a certain number of kilometers, it is not necessary to replace the entire brake pad; only the first friction material 6 needs to be replaced, thus keeping the replacement cost low.

[0048] 3. Finally, an mounting block 2 can be installed on the side of the back plate 1, and a groove 7 is opened inside the mounting block 2. A slot 8 is opened inside the groove 7. Then, a locking block 16 is inserted into the slot 8. A hard plastic plate 17 is fixedly connected to the outside of the locking block 16, and the hard plastic plate 17 is located inside the groove 7. In this way, when the brake pad is fixedly installed on the caliper, the locking structure of the mounting block 2 has a groove 7, and the groove 7 has a slot 8 inside. The slot 8 connects the locking block 16 and the hard plastic plate 17, so that the hard plastic plate 17 is fixed inside the groove 7. Since no rust will be generated in the area of ​​the hard plastic plate 17, if rust occurs at the connection between the brake pad and the caliper, a large amount of rust will not be generated to squeeze and cause the brake pad and caliper to jam. In this way, the connection between the caliper and the brake pad is not easy to jam due to a large amount of rust, which makes it easier for the staff to replace and remove the brake pads.

[0049] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A brake pad structure, characterized in that, The back plate (1) includes a fixing groove (11) inside the back plate (1), a screw hole (14) inside the fixing groove (11), a fixing block (15) inserted inside the fixing groove (11), a through hole (13) inside the fixing block (15), a fixing screw (12) passing through the through hole (13), and the end of the fixing screw (12) being threaded into the screw hole (14). The fixing blocks (15) are arranged in pairs, and a first friction material (6) is fixedly connected between the fixing blocks (15). A second friction material (9) is provided on the side of the first friction material (6).

2. The brake pad structure according to claim 1, characterized in that, The back plate (1) has an mounting block (2) installed on its side. The mounting block (2) has a groove (7) inside. The groove (7) has a slot (8) inside. The slot (8) has a card block (16) inserted inside. The card block (16) has a rigid plastic plate (17) fixedly connected to its exterior. The rigid plastic plate (17) is located inside the groove (7).

3. The brake pad structure according to claim 1, characterized in that, The back panel (1) has an adhesive layer (5) on its exterior, and a heat insulation layer (4) is installed on the side of the adhesive layer (5).

4. The brake pad structure according to claim 3, characterized in that, The heat insulation layer (4) has a base pad (3) installed on its side. A second friction material (9) is installed on the outside of the base pad (3). Both the second friction material (9) and the first friction material (6) have slots (10) inside.

5. The brake pad structure according to claim 1, characterized in that, A limiting block (21) is installed on the outside of the back plate (1), and a connecting block (19) is fixedly connected to the outside of the back plate (1).

6. The brake pad structure according to claim 1, characterized in that, The back plate (1) is equipped with a sound-absorbing plate (18) on the outside. The sound-absorbing plate (18) has a connecting hole (22) inside and a limiting hole (23) inside.

7. The brake pad structure according to claim 6, characterized in that, The connecting hole (22) passes through the connecting block (19), and a retaining ring (20) is installed on the outside of the connecting block (19).

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