A brake pad friction material composite coating structure

Abstract

The utility model relates to brake device technical field discloses a brake pad abrasive material composite coating structure, including rigid backplate, the rigid backplate upper end is fixed with brake pad, the brake pad includes the elastic base material layer of being located at the rigid backplate upper end, the elastic base material layer upper end is equipped with high temperature resistant ablation coating. When the brake pad produces the chippings in the braking process, the guide groove can guide the chippings, and the chippings move along the guide groove to the sticky glue direction, and the chippings fall into the sticky glue, and the adhesion of sticky glue collects the chippings, thereby avoiding the accumulation of too many chippings on the brake pad, reducing the braking effect of brake pad, when needing to clean the chippings in the sticky glue, the bolt is unscrewed from the insertion hole of the limiting plate, and the limiting plate is slid along the insertion slot, and the limiting plate is received into the insertion slot, then the collection frame is pulled outwards along the insertion opening, and the collection frame is extracted from the insertion opening and is disassembled, thereby conveniently cleaning the chippings in the collection frame.

Description

Technical Field

[0001] This utility model relates to the field of braking device technology, and in particular to a composite coating structure for brake pad abrasive. Background Technology

[0002] Brake pads are a key component of a car's braking system, composed of a metal backing plate and friction material. Their core function is to convert the vehicle's kinetic energy into heat energy through friction with the brake disc or brake drum, thus achieving deceleration or stopping. During operation, the brake caliper pushes the brake pads against the rotating brake disc, and the friction material generates braking force under high temperature and pressure. Simultaneously, they must possess good wear resistance, thermal stability, and anti-fading properties. Modern brake pads often use semi-metallic, ceramic, or organic formulations. Some high-end models are also equipped with heat dissipation grooves, noise-dampening pads, and high-temperature resistant coatings to improve braking performance, reduce noise, and extend service life, directly impacting driving safety and the driving experience.

[0003] However, brake pads produce debris during wear. This debris can easily adhere to the surface of the brake pads, hindering the friction material from making full contact with the brake disc and reducing braking performance. At the same time, the accumulation of debris may cause local overheating, accelerate brake pad wear, and even lead to brake vibration or abnormal noise, seriously affecting driving safety and the life of the braking system. Utility Model Content

[0004] Given that brake pads produce debris during wear, and this debris easily adheres to the surface of the brake pads, it can hinder the friction material from making full contact with the brake disc, reducing braking efficiency. At the same time, debris accumulation may cause local overheating, accelerate brake pad wear, and even lead to brake vibration or abnormal noise, seriously affecting driving safety and the lifespan of the braking system. Therefore, this utility model was proposed.

[0005] To solve the above technical problems, this utility model provides the following technical solution: a composite coating structure for brake pad abrasive, comprising a rigid back plate, a brake pad fixedly disposed on the upper end of the rigid back plate, the brake pad comprising an elastic base layer disposed on the upper end of the rigid back plate, a high-temperature erosion resistant coating disposed on the upper end of the elastic base layer, a heat-absorbing layer disposed on the upper end of the high-temperature erosion resistant coating, a composite coating disposed on the upper end of the heat-absorbing layer, and parallel guide grooves being formed on one side of the outer wall of the composite coating, the heat-absorbing layer, and the high-temperature erosion resistant coating, a plurality of friction grooves being formed on the upper end of the composite coating, two symmetrical heat dissipation grooves being formed on both sides of the upper end of the composite coating, a collection frame being inserted into one end of the rigid back plate, an adhesive being disposed in the inner cavity of the collection frame, a limiting plate being inserted into the inner wall of the rigid back plate on both sides of the collection frame, and a bolt being threadedly inserted into the upper end of the rigid back plate on the limiting plate.

[0006] In a preferred embodiment of the brake pad abrasive composite coating structure of this utility model, the heat-absorbing layer is made of glass fiber.

[0007] As a preferred embodiment of the brake pad abrasive composite coating structure of this utility model, the high-temperature resistant ablation coating material is epoxy resin.

[0008] As a preferred embodiment of the brake pad abrasive composite coating structure of this utility model, the elastic base layer is made of an organic filler composed of rubber powder.

[0009] As a preferred embodiment of the brake pad abrasive composite coating structure of this utility model, the inner wall of the rigid back plate is provided with an insertion port that cooperates with the collection frame, and the collection frame is movably inserted into the insertion port.

[0010] As a preferred embodiment of the brake pad abrasive composite coating structure of this utility model, the inner wall of the rigid back plate is provided with a slot that cooperates with the limiting plate, the limiting plate is movably inserted into the slot, and the upper end of the limiting plate is provided with a hole that cooperates with a bolt.

[0011] As a preferred embodiment of the brake pad abrasive composite coating structure of this utility model, the upper end of the rigid back plate is provided with two sets of symmetrical mounting holes.

[0012] Compared with the prior art, the present invention has at least the following beneficial effects: In this invention, when brake pads generate debris during braking, a guide groove guides the debris, which moves along the guide groove towards the adhesive. The debris falls into the adhesive, where its adhesive properties collect it, thus preventing excessive debris buildup on the brake pads and reducing braking effectiveness. When it is necessary to clean the debris from the adhesive, the bolt is unscrewed from the insertion hole in the limiting plate, the limiting plate is slid along the slot to retract into the slot, and then the collection frame is pulled outward along the insertion opening to remove it for disassembly, facilitating the cleaning of debris from the collection frame.

[0013] 2. In this utility model, the heat-absorbing layer is made of glass fiber. During vehicle braking, the brake pads and brake discs generate a large amount of heat due to high-speed friction. The main function of the heat-absorbing layer is to effectively insulate this heat and prevent the high temperature from being directly transferred to the brake backing plate and brake caliper, thereby avoiding the brake performance degradation or failure caused by overheating of the brake backing plate and brake caliper. This helps to maintain a stable braking distance and ensure braking safety. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the brake pad abrasive composite coating structure of this utility model; Figure 2 This is a three-dimensional structural diagram of the brake pad with the composite coating structure of brake pad abrasive material according to this utility model; Figure 3 This is a three-dimensional structural diagram of the rigid back plate of the brake pad abrasive composite coating structure of this utility model; Figure 4 This is a three-dimensional structural diagram of the collection frame and limiting plate of the brake pad abrasive composite coating structure of this utility model.

[0015] Explanation of reference numerals in the attached figures: 1. Rigid backplate; 2. Brake pad; 21. Composite coating; 22. Heat-absorbing layer; 23. High-temperature erosion resistant coating; 24. Elastic base layer; 25. Friction groove; 26. Heat dissipation groove; 27. Guide groove; 3. Mounting hole; 4. Collection frame; 5. Adhesive; 6. Limiting plate; 7. Bolt. Detailed Implementation

[0016] 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.

[0017] Example 1 Reference Figures 1-3 This is the first embodiment of the present invention, which provides a composite coating structure for brake pad abrasive, including a rigid back plate 1. A brake pad 2 is fixedly mounted on the upper end of the rigid back plate 1. The brake pad 2 includes an elastic base layer 24 disposed on the upper end of the rigid back plate 1. A high-temperature resistant ablation coating 23 is disposed on the upper end of the elastic base layer 24. A heat-absorbing layer 22 is disposed on the upper end of the high-temperature resistant ablation coating 23. A composite coating 21 is disposed on the upper end of the heat-absorbing layer 22. Parallel guide grooves 27 are provided on one side of the outer wall of the composite coating 21, the heat-absorbing layer 22, and the high-temperature resistant ablation coating 23. Multiple sets of friction grooves 25 are provided on the upper end of the composite coating 21. Two sets of heat dissipation grooves 26 are provided symmetrically on both sides of the upper end of the composite coating 21.

[0018] The heat-absorbing layer 22 is made of fiberglass. During vehicle braking, the brake pads 2 and brake discs rub against each other at high speed, generating a large amount of heat. The main function of the heat-absorbing layer 22, made of fiberglass, is to effectively insulate this heat and prevent the high temperature from being directly transferred to the backing plate 1 and brake caliper. This avoids the brake performance from deteriorating or failing due to overheating of the backing plate 1 and brake caliper, which helps to maintain a stable braking distance and ensure braking safety.

[0019] The high-temperature erosion resistant coating 23 is made of epoxy resin. When the brake pad 2 generates high temperature during braking, the main function of the high-temperature erosion resistant coating 23 is to protect the brake pad 2 in the high-temperature environment and prevent performance degradation or damage caused by high-temperature ablation.

[0020] The elastic base layer 24 is made of organic filler composed of rubber powder. The elastic base layer 24 is located between the brake pad 2 and the rigid backing plate 1. Its main function is to increase the bonding strength and provide a certain degree of noise reduction, reducing the noise generated during braking. It can absorb and disperse the vibration and noise generated during braking. In addition, the elastic base layer 24 can also alleviate the stress concentration between the brake pad 2 and the rigid backing plate 1 to a certain extent, disperse the stress, and prevent damage or failure caused by excessive stress.

[0021] Example 2 Reference Figure 1-4 This is the second embodiment of the present utility model. The difference between this embodiment and the first embodiment is that: a collection frame 4 is inserted into one end of the rigid back plate 1, an adhesive 5 is provided in the inner cavity of the collection frame 4, a limiting plate 6 is inserted into the inner wall of the rigid back plate 1 on both sides of the collection frame 4, and a bolt 7 is threaded into the upper end of the rigid back plate 1 at the limiting plate 6.

[0022] The inner wall of the back plate 1 has an insertion slot that matches the collection frame 4, and the collection frame 4 is movably inserted into the insertion slot.

[0023] The inner wall of the back plate 1 has a slot that matches the limiting plate 6. The limiting plate 6 is movably inserted into the slot, and the upper end of the limiting plate 6 has a hole that matches the bolt 7.

[0024] The upper end of the rigid back plate 1 has two sets of symmetrical mounting holes 3.

[0025] When brake pad 2 generates debris during braking, the guide groove 27 guides the debris. The debris moves along the guide groove 27 towards the adhesive 5 and falls into the adhesive 5. The adhesive 5 collects the debris, thus preventing excessive debris from accumulating on the brake pad 2 and reducing the braking effect of the brake pad 2. When it is necessary to clean the debris in the adhesive 5, unscrew the bolt 7 from the insertion hole of the limiting plate 6, slide the limiting plate 6 along the slot, and retract the limiting plate 6 into the slot. Then, pull the collection frame 4 outward along the insertion hole to remove the collection frame 4 from the insertion hole for disassembly, thus facilitating the cleaning of the debris in the collection frame 4.

[0026] The remaining structure is the same as that in Example 1. It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A composite coating structure for brake pad abrasive materials, comprising a rigid backing plate (1), characterized in that: Brake pads (2) are fixedly provided on the upper end of the rigid back plate (1). The brake pads (2) include an elastic base layer (24) provided on the upper end of the rigid back plate (1). A high-temperature resistant ablation coating (23) is provided on the upper end of the elastic base layer (24). A heat-absorbing layer (22) is provided on the upper end of the high-temperature resistant ablation coating (23). A composite coating (21) is provided on the upper end of the heat-absorbing layer (22). A phase is opened on one side of the outer wall of the composite coating (21), the heat-absorbing layer (22), and the high-temperature resistant ablation coating (23). Parallel guide grooves (27), multiple friction grooves (25) are opened at the upper end of the composite coating (21), two sets of heat dissipation grooves (26) are opened on both sides of the upper end of the composite coating (21), a collection frame (4) is inserted at one end of the rigid back plate (1), adhesive (5) is provided in the inner cavity of the collection frame (4), a limiting plate (6) is inserted on both sides of the inner wall of the rigid back plate (1), and a bolt (7) is threaded into the upper end of the rigid back plate (1) at the limiting plate (6).

2. The brake pad abrasive composite coating structure according to claim 1, characterized in that: The heat-absorbing layer (22) is made of glass fiber.

3. The brake pad abrasive composite coating structure according to claim 1, characterized in that: The high-temperature resistant ablation coating (23) is made of epoxy resin.

4. The brake pad abrasive composite coating structure according to claim 1, characterized in that: The elastic base layer (24) is made of an organic filler composed of rubber powder.

5. The brake pad abrasive composite coating structure according to claim 1, characterized in that: The inner wall of the rigid back plate (1) is provided with an insertion port that matches the collection frame (4), and the collection frame (4) is movably inserted into the insertion port.

6. The brake pad abrasive composite coating structure according to claim 1, characterized in that: The inner wall of the rigid back plate (1) is provided with a slot that matches the limiting plate (6). The limiting plate (6) is movably inserted into the slot. The upper end of the limiting plate (6) is provided with a hole that matches the bolt (7).

7. The brake pad abrasive composite coating structure according to claim 1, characterized in that: The upper end of the rigid back plate (1) is provided with two sets of symmetrical mounting holes (3).

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