Noise reduction brake shoe assembly with pull arm structure with equally-divided strip-shaped grooves

By introducing a heat dissipation and dust prevention unit into the brake shoe assembly, the problems of sudden temperature rise and noise caused by insufficient heat dissipation of the brake shoes are solved, achieving efficient heat dissipation and dust prevention, and improving the performance and maintainability of the brake shoes.

CN223814284UActive Publication Date: 2026-01-20HANGZHOU JICHENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520957960.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-01-20
Estimated Expiration
2035-05-15

AI Technical Summary

Technical Problem

Traditional brake shoes are prone to a sudden temperature rise due to insufficient heat dissipation during continuous braking, which degrades the performance of the friction material and easily produces harsh noise at high temperatures.

Method used

The brake shoe assembly is designed with a heat dissipation mechanism, including a heat exchange unit and a dustproof unit. It achieves rapid heat dissipation through a combination structure of T-slots and heat dissipation plates, and filters the incoming air through a filter plate to prevent dust from entering and affecting the heat dissipation and operation of the brake shoe.

Benefits of technology

It effectively reduces the operating temperature of the brake shoes, prevents the performance degradation and high-temperature deformation of the friction materials, reduces noise, and simplifies the replacement and cleaning process of the heat sink and filter plates.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a noise reduction brake shoe assembly with an equally-divided strip-shaped groove draw arm structure, and relates to the technical field of brake shoe assemblies, the noise reduction brake shoe assembly comprises a brake shoe assembly, a heat dissipation mechanism is arranged below the brake shoe assembly and used for dissipating heat in the brake shoe assembly, and the heat dissipation mechanism comprises a heat exchange unit and a dustproof unit. The heat exchange unit is arranged, a heat dissipation plate is slidably inserted into a T-shaped groove through a T-shaped block, the T-shaped block and a fixing base are fixed through an interior angle bolt, the heat dissipation plate and the fixing base are fixedly connected, and air makes contact with heat dissipation fins, so that heat dissipation of the heat dissipation plate is achieved, the air enters the brake shoe assembly from air holes, and the heat dissipation effect of the brake shoe assembly is improved. The air holes directly face the brake shoe, so that air directly flows on the surface of the brake shoe, heat dissipation of the brake shoe is achieved, sudden temperature rise and friction material performance decline caused by insufficient heat dissipation during continuous braking of a traditional brake shoe are avoided, and meanwhile harsh noise generated due to material deformation or friction surface state change at high temperature is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to brake shoe assembly technical field, concretely is the noise reduction brake shoe assembly with equal division strip slot pull arm structure. BACKGROUND

[0002] Brake shoe assembly is an important component in vehicle braking system, usually consists of brake disc, brake caliper and brake shoe. Its main function is to reduce or stop the movement of the vehicle through friction.

[0003] According to patent name: a quick release type brake shoe assembly (patent publication number: CN222185570U, patent publication date: December 17, 2024), including backing plate and face plate, the surface of the face plate is fixedly installed with brake pad, the inner side of the backing plate is fixedly installed with mounting block, the top of the mounting block is fixedly installed with sleeve plate, the back of the face plate is fixedly installed with connecting block, the inner side of the connecting block is slidably connected with sliding block, the inner side of the sliding block is fixedly installed with magnet A. Through the setting of mounting block, sleeve plate, connecting block, sliding block, magnet A, bolt, plug block, spring, clamping groove and magnet B, the dismounting work between the backing plate and the face plate can be quickly carried out, so that the brake pad can be maintained conveniently, and the maintenance efficiency can be improved. The dismounting process is simple and fast, time and labor are saved, and the practicability is high.

[0004] And based on the above prior art, the existing noise reduction brake shoe assembly with equal division strip slot pull arm structure still has the following problems: the traditional brake shoe is prone to temperature rise due to insufficient heat dissipation during continuous braking, the performance of the friction material is degraded, and the material is deformed or the friction surface state is changed under high temperature, which is prone to produce high-pitched noise. Therefore, the utility model provides a noise reduction brake shoe assembly with equal division strip slot pull arm structure. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a noise reduction brake shoe assembly with equal division strip slot pull arm structure, which solves the problems of the existing noise reduction brake shoe assembly with equal division strip slot pull arm structure, that is, the temperature of the traditional brake shoe rises rapidly due to insufficient heat dissipation during continuous braking, the performance of the friction material is degraded, and the material is deformed or the friction surface state is changed under high temperature, which is prone to produce high-pitched noise.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a noise reduction brake shoe assembly with equal division strip slot pull arm structure, comprising a brake shoe assembly, a heat dissipation mechanism is arranged below the brake shoe assembly for heat dissipation inside the brake shoe assembly, the heat dissipation mechanism comprises:

[0007] The heat exchange unit is arranged below the brake shoe assembly, comprises a fixing base, a plurality of T-shaped grooves are formed in the fixing base, T-shaped blocks are slidably inserted into the T-shaped grooves, heat dissipation plates are fixedly installed at the bottom of the T-shaped blocks, and a plurality of air holes are formed in the heat dissipation plates.

[0008] The dustproof unit is arranged in the fixing base and is used for preventing dust from entering the brake shoe assembly.

[0009] Preferably, the T-shaped blocks are slidably inserted into the T-shaped grooves, and the T-shaped blocks and the fixing base are fixed by the internal angle bolts, so that the heat dissipation plates can be conveniently disassembled.

[0010] Preferably, a plurality of heat dissipation fins are fixedly installed below the heat dissipation plates, and the heat dissipation fins are contacted with air to realize convection and rapid heat dissipation of the heat dissipation plates.

[0011] Preferably, the dustproof unit comprises a filter plate slidably inserted into a slot formed in the fixing base, and a plug hole is formed in the filter plate, so that air entering the brake shoe assembly through the air holes can be dusted by the filter plate.

[0012] Preferably, the fixing base is internally provided with an installation groove and a sliding groove, a moving round block is slidably installed in the installation groove, a pull rod is fixedly installed on one side of the moving round block and is adapted to slide in the sliding groove, an insertion column is fixedly installed on one side of the moving round block, one end of the insertion column is a bevel, one end of the insertion column is slidably inserted into the plug hole, and a reset spring is fixedly installed in the installation groove and is used for resetting the moving round block and the insertion column.

[0013] Preferably, the brake shoe assembly comprises a brake bottom plate, a plurality of brake shoes are rotatably installed in the brake bottom plate, return springs are installed on the inner sides of the brake shoes, a brake wheel base is installed in the brake bottom plate and is used for driving the brake shoes, a plurality of rectangular holes are formed in the bottom of the brake bottom plate, the fixing base is fixedly installed below the brake bottom plate, and the heat dissipation mechanism closes the rectangular holes through the fixing base.

[0014] Compared with the prior art, the brake shoe assembly has the following beneficial effects:

[0015] 1. The noise reduction brake shoe assembly with the equal division strip-shaped slot pull arm structure, the heat exchange unit is arranged, the heat dissipation plate is slid and inserted into the T-shaped slot through the T-shaped block, the T-shaped block is fixed between the heat dissipation plate and the fixed seat through the internal angle bolt, the heat dissipation plate is fixedly connected with the fixed seat, the air contacts the heat dissipation fins, so that the heat dissipation of the heat dissipation plate is realized, the air enters the inside of the brake shoe assembly through the air hole, the air directly flows on the surface of the brake shoe through the air hole opposite to the brake shoe, so that the heat dissipation of the brake shoe is realized, the temperature of the traditional brake shoe is prevented from rapidly rising due to insufficient heat dissipation during continuous braking, the performance of the friction material is prevented from being degraded, and the high-pitched noise is prevented from being generated due to material deformation or friction surface state change under high temperature.

[0016] 2. The noise reduction brake shoe assembly with the equal division strip-shaped slot pull arm structure, the dust prevention unit is arranged, the filter plate is inserted into the inside of the insertion slot, so that when the air enters the inside of the brake shoe assembly through the air hole, the air is filtered through the filter plate, so that the dust is prevented from entering the inside of the brake shoe assembly, the influence of the dust on the operation of the inside of the brake shoe assembly is avoided, the pull rod is pulled, the moving round block is driven to move synchronously with the insertion column, the insertion column is pulled out of the inside of the insertion hole, so that the filter plate is conveniently disassembled, replaced or cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 it is bottom view solid structure figure of the utility model;

[0018] Figure 2 it is inside solid structure figure of the utility model's assembly;

[0019] Figure 3 it is brake bottom plate solid structure figure of the utility model;

[0020] Figure 4 it is heat dissipation mechanism split solid structure figure of the utility model;

[0021] Figure 5 it is heat dissipation mechanism local split solid structure figure of the utility model.

[0022] In the drawing: 1-brake shoe assembly, 11-brake bottom plate, 12-brake shoe, 13-return spring, 14-brake wheel seat, 15-rectangular hole, 2-heat dissipation mechanism, 21-heat exchange unit, 211-fixed seat, 212-T-shaped slot, 213-T-shaped block, 214-internal angle bolt, 215-heat dissipation plate, 216-heat dissipation fin, 217-air hole, 22-dust prevention unit, 221-insertion slot, 222-mounting slot, 223-return spring, 224-sliding slot, 225-moving round block, 226-insertion column, 227-pull rod, 228-filter plate, 229-insertion hole. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 The present application provides a technical scheme:

[0025] The noise reduction brake shoe assembly with the equal division strip-shaped slot pull arm structure comprises a brake shoe assembly 1, and a heat dissipation mechanism 2 is arranged below the brake shoe assembly 1 and used for dissipating heat inside the brake shoe assembly 1.

[0026] The heat exchange unit 21 is arranged below the brake shoe assembly 1 and comprises a fixed seat 211, a group of T-shaped grooves 212 are arranged in the fixed seat 211, T-shaped blocks 213 are slidingly inserted and arranged in the T-shaped grooves 212, heat dissipation plates 215 are fixedly arranged at the bottom of the T-shaped blocks 213, and a plurality of air holes 217 are arranged in the heat dissipation plates 215 and used for dissipating heat inside the brake shoe assembly 1.

[0027] The dustproof unit 22 is arranged in the fixed seat 211 and used for preventing dust from entering the brake shoe assembly 1.

[0028] In the embodiment, the T-shaped blocks 213 are slidingly inserted into the T-shaped grooves 212, and the T-shaped blocks 213 and the fixed seat 211 are fixed by the internal angle bolts 214, so that the heat dissipation plates 215 can be conveniently disassembled.

[0029] The T-shaped blocks 213 are slidingly inserted into the T-shaped grooves 212 and fixed by the internal angle bolts 214, so that the heat dissipation plates 215 can be quickly assembled and disassembled. The design simplifies the maintenance process, reduces the difficulty of replacing the heat dissipation plates, saves time and labor cost.

[0030] In the embodiment, a plurality of heat dissipation fins 216 are fixedly arranged below the heat dissipation plates 215, air flow is realized by the contact between air and the heat dissipation fins 216, and the heat dissipation plates 215 can be quickly cooled.

[0031] The heat dissipation fins 216 below the heat dissipation plates 215 accelerate heat dissipation through air flow, significantly improve the heat dissipation efficiency, effectively reduce the working temperature of the brake shoe 12, avoid the performance degradation and high-temperature deformation of the friction material caused by overheating, and thus reduce the brake noise.

[0032] In this embodiment, the dustproof unit 22 includes a slot 221 opened in the inside of the fixed seat 211, and a filter plate 228 is slidingly inserted into the inside of the slot 221, and a plug hole 229 is opened in the inside of the filter plate 228, and the air entering the inside of the brake shoe assembly 1 through the air hole 217 is dusted through the installation slot 222.

[0033] The filter plate 228 is slidingly inserted into the slot 221 and is fixed through the cooperation of the plug hole 229 and the plug post 226, so as to realize the filtering of the air entering the inside of the brake shoe assembly 1. This design effectively blocks dust and prevents foreign matter from interfering with the operation of the brake system, prolongs the service life of the components, and reduces the cleaning and maintenance frequency.

[0034] In this embodiment, the inside of the fixed seat 211 is provided with an installation slot 222 and a sliding slot 224, the inside of the installation slot 222 is slidingly provided with a moving round block 225, one side of the moving round block 225 is fixedly provided with a pull rod 227, the pull rod 227 is adapted to slide in the sliding slot 224, one side of the moving round block 225 is fixedly provided with the plug post 226, one end of the plug post 226 is a slope, one end of the plug post 226 is slidingly inserted into the plug hole 229, and the inside of the installation slot 222 is fixedly provided with a reset spring 223 for resetting the moving round block 225 and the plug post 226.

[0035] The linkage design of the moving round block 225, the pull rod 227, the plug post 226 and the reset spring 223 makes the disassembly of the filter plate 228 more convenient. Only the pull rod needs to be pulled to release the plug post, and the filter plate can be quickly taken out, which greatly improves the efficiency of filter plate replacement and cleaning.

[0036] In this embodiment, the brake shoe assembly 1 includes a brake bottom plate 11, a group of brake shoes 12 are rotatably installed in the inside of the brake bottom plate 11, a return spring 13 is installed in the inside of the brake shoe 12, a brake wheel seat 14 is installed in the inside of the brake bottom plate 11 for driving the brake shoe 12, a group of rectangular holes 15 are opened in the bottom of the brake bottom plate 11, the fixed seat 211 is fixedly installed below the brake bottom plate 11, and the heat dissipation mechanism 2 closes the rectangular holes 15 through the fixed seat 211.

[0037] Meanwhile, the contents not described in detail in this specification all belong to the existing technology known to those skilled in the art.

[0038] When working, first, the filter plate 228 is inserted into the inside of the slot 221, one side of the filter plate 228 is in contact with the slope of the plug post 226, the plug post 226 pushes the moving round block 225, the moving round block 225 presses the reset spring 223, after the filter plate 228 is inserted to the predetermined position, the reset spring 223 pushes the moving round block 225 and the plug post 226 through the elastic force of itself, so that the plug post 226 is inserted into the inside of the plug hole 229, and the position of the filter plate 228 is fixed.

[0039] Then, the heat dissipation plate 215 is inserted into the T-shaped slot 212 through the T-shaped block 213, and is fixed between the T-shaped block 213 and the fixing base 211 through the internal corner bolt 214, so that the heat dissipation plate 215 is fixedly connected with the fixing base 211, the wind contacts the heat dissipation fins 216 to dissipate heat of the heat dissipation plate 215, and the wind enters the inside of the brake shoe assembly 1 through the air holes 217, and directly flows on the surface of the brake shoe 12 through the air holes 217 opposite to the brake shoe 12 to dissipate heat of the brake shoe 12;

[0040] Then, when the wind enters the inside of the brake shoe assembly 1 through the air holes 217, the wind is filtered through the filter plate 228 to avoid dust from entering the inside of the brake shoe assembly 1 and affecting the operation of the brake shoe assembly 1;

[0041] Finally, when the filter plate 228 is replaced or cleaned, the pull rod 227 is pulled to synchronously move the moving round block 225 and the insertion column 226, so that the insertion column 226 is pulled out of the inside of the insertion hole 229, and the filter plate 228 is pulled out of the inside of the insertion slot 221.

[0042] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A noise reduction brake shoe assembly with equal division of the bar slot pull arm structure, comprising a brake shoe assembly (1), characterized in that: The lower part of the brake shoe assembly (1) is provided with a heat dissipation mechanism (2) for heat dissipation inside the brake shoe assembly (1), and the heat dissipation mechanism (2) comprises: The heat exchange unit (21) is arranged below the brake shoe assembly (1) and comprises a fixed seat (211), a group of T-shaped grooves (212) are formed in the fixed seat (211), T-shaped blocks (213) are slidably inserted into the T-shaped grooves (212), heat dissipation plates (215) are fixedly installed at the bottom of the T-shaped blocks (213), a plurality of air holes (217) are formed in the heat dissipation plates (215), and the heat dissipation plates (215) are used for heat dissipation inside the brake shoe assembly (1) through the air holes (217); The dustproof unit (22) is arranged in the fixed seat (211) and is used for dustproof of the brake shoe assembly (1).

2. The noise reducing brake shoe assembly with equally divided slotted arm structure of claim 1, wherein: The T-shaped blocks (213) are slidably inserted into the T-shaped grooves (212), and the T-shaped blocks (213) and the fixed seat (211) are fixedly connected through the internal angle bolts (214), so that the heat dissipation plates (215) can be conveniently disassembled.

3. The noise reducing brake shoe assembly with equally divided slotted arm structure of claim 1, wherein: A plurality of heat dissipation fins (216) are fixedly installed below the heat dissipation plates (215), and heat dissipation is realized through the contact of air and the heat dissipation fins (216), so that the heat dissipation plates (215) can be quickly cooled.

4. The noise reducing brake shoe assembly with equally divided slotted arm structure of claim 1, wherein: The dustproof unit (22) comprises a slot (221) formed in the fixed seat (211), a filter plate (228) is slidably inserted into the slot (221), a plurality of insertion holes (229) are formed in the filter plate (228), and the air entering the brake shoe assembly (1) through the air holes (217) is dusted through the installation slot (222).

5. The noise reducing brake shoe assembly with equally divided slotted arm structure of claim 4, wherein: The fixed seat (211) is provided with an installation slot (222) and a sliding slot (224), a moving circular block (225) is slidably installed in the installation slot (222), a pull rod (227) is fixedly installed on one side of the moving circular block (225), the pull rod (227) is adapted to slide in the sliding slot (224), an insertion column (226) is fixedly installed on one side of the moving circular block (225), one end of the insertion column (226) is beveled, one end of the insertion column (226) is slidably inserted into the insertion hole (229), and a reset spring (223) is fixedly installed in the installation slot (222) and used for resetting the moving circular block (225) and the insertion column (226).

6. The noise reducing brake shoe assembly with equally divided slotted arm structure of claim 1, wherein: The brake shoe assembly (1) comprises a brake bottom plate (11), a group of brake shoes (12) are rotatably installed in the brake bottom plate (11), return springs (13) are installed on the inner sides of the brake shoes (12), a brake wheel seat (14) is installed in the brake bottom plate (11) and used for driving the brake shoes (12), a group of rectangular holes (15) are formed in the bottom of the brake bottom plate (11), the fixed seat (211) is fixedly installed below the brake bottom plate (11), and the heat dissipation mechanism (2) is used for closing the rectangular holes (15) through the fixed seat (211).

Citation Information

Patent Citations

  • Quick-release brake shoe assembly

    CN222185570U