Brake pad dismounting tool

By designing a brake pad removal tool, a single person can quickly remove brake pads using a sleeve and retaining ring structure, solving the problem that existing technologies require two people to cooperate and are difficult to operate, thus improving removal efficiency and safety.

CN223685310UActive Publication Date: 2025-12-19HENAN WANJI ALUMINUM
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Patent Information

Application Number
CN202422520710.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-12-19
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The current brake pad removal process requires close cooperation between two people, and the narrow operating space makes it easy to bump into things, resulting in operational difficulties and safety hazards.

Method used

A brake pad removal tool was designed, including a sleeve, a screw, a shaft, a retaining ring, a pressure cap, and a handle assembly. The sleeve compresses a spring, the retaining ring fixes the spring base, and the screw drives the retaining ring to move upward and lift the pin, enabling a single person to quickly remove brake pads.

Benefits of technology

It enables quick and safe removal of brake pads by a single operator, improving removal efficiency and reducing safety risks for operators.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223685310U_ABST
    Figure CN223685310U_ABST
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Abstract

The utility model discloses a brake pad dismounting tool which comprises a sleeve, a screw rod is in threaded connection with the interior of the sleeve, the upper end of the screw rod extends out of the sleeve, the lower end of the screw rod is connected with a polished shaft, the outer diameter of the polished shaft is smaller than that of the screw rod, and the lower end of the polished shaft extends out of the sleeve and is rotationally connected with a bottom block. A clamping ring used for clamping a spring base is connected to one side of the bottom block, a pressing cap used for pressing a spring is fixed to the lower end of the outer side face of the sleeve and located over the clamping ring, and a grab handle assembly used for fixing the sleeve is arranged in the middle of the outer side face of the sleeve. The brake pad dismounting tool can be operated by a single person to complete dismounting operation of the brake pad, the working efficiency is improved, the operation process is safe and reliable, and powerful guarantee is provided for safety of operators.
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Description

TECHNICAL FIELD

[0001] The utility model relates to brake accessory technical field, concretely is a brake pad dismounting tool. BACKGROUND

[0002] Brake pad is the most critical safety part in the brake system of the car, and the working principle of the brake is to convert the kinetic energy of the vehicle into heat energy through the friction between the brake pad, the brake drum and the tire and the ground, so as to stop the car.

[0003] Brake pad is a consumable part, and needs to be replaced regularly to ensure driving safety, and currently two people need to cooperate closely when dismounting the brake pad, due to the limited position, the operation space is extremely narrow, the dismounting process is very difficult, and the operation is not careful and easy to cause bumps to the operator, which brings safety hazards to the operator. SUMMARY

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a brake pad dismounting tool, which can be operated by one person to complete the dismounting operation of the brake pad, and the operation process will not cause bumps, which can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a brake pad dismounting tool, including sleeve, the sleeve is internally threadedly connected with screw rod, the upper end of the screw rod extends out of the sleeve, the lower end of the screw rod is connected with light shaft, the outer diameter of the light shaft is smaller than the outer diameter of the screw rod, the lower end of the light shaft extends out of the sleeve and is rotatably connected with bottom block, one side of the bottom block is connected with clamping ring for clamping spring base, the lower end of the outer side surface of the sleeve is fixed with pressure cap for pressing spring, the pressure cap is located directly above the clamping ring, the intermediate position of the outer side surface of the sleeve is provided with handle assembly for fixing the sleeve.

[0006] As a preferred technical scheme of the utility model, the pressure cap and the sleeve are connected by welding.

[0007] As a preferred technical scheme of the utility model, the clamping ring and the bottom block are connected by welding.

[0008] As a preferred technical scheme of the utility model, the handle assembly includes a nut and a head bolt, the nut is welded to the outer side surface of the sleeve, and the head bolt is threadedly connected with the nut and perpendicular to the sleeve.

[0009] As a preferred technical scheme of the utility model, the outer side surface of the screw rod is provided with a rotating assembly for driving the rotation thereof.

[0010] As a preferred technical scheme of the utility model, the rotating assembly comprises a screw cap and a circular ring, the screw cap is fixed on the outer side of the screw rod, the number of the circular rings is two, and the two circular rings are symmetrically fixed on the outer side of the screw cap.

[0011] Compared with the prior art, the utility model has the advantages that the brake pad dismounting tool is compact in structure and reasonable in design, the spring fixing the brake pad on the brake drum is pressed by the pressing cap, the spring base at the lower end of the brake drum is fixed by the clasp ring, the clasp ring is moved upward by rotating the screw rod, the pin fixing the spring is lifted, then the spring is removed and the brake pad is taken down, the whole process can be operated by one person, the dismounting process is convenient and fast, the dismounting efficiency of the brake pad is greatly improved, and the safety of the operator is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a front view of the utility model;

[0014] Figure 3 It is a schematic view of the internal structure of the sleeve part.

[0015] In the drawing: 1 sleeve, 2 screw rod, 3 optical axis, 4 bottom block, 5 clasp ring, 6 pressing cap, 7 rotating assembly, 71 screw cap, 72 circular ring, 8 handle assembly, 81 nut, 82 head bolt. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments (for the convenience of description and understanding, the following is described from the top to the bottom). Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. Figure 2

[0017] Please refer to Figures 1-3 ​The utility model provides a technical scheme: a brake pad dismounting tool, including sleeve 1, sleeve 1 is connected with screw rod 2 in the thread, the upper end of screw rod 2 is out of sleeve 1, the lower end of screw rod 2 is connected with light axle 3, the outer diameter of light axle 3 is less than the outer diameter of screw rod 2, the lower end of light axle 3 is out of sleeve 1 and is rotationally connected with bottom block 4, one side of bottom block 4 is connected with the snap ring 5 for clamping spring base, the outside size of snap ring 5 and spring base matches, the outside lower end of sleeve 1 is fixed with the pressure cap 6 for pressing spring, the size of pressure cap 6 and spring matches, the pressure cap 6 is directly above snap ring 5, the interval of pressure cap 6 and snap ring 5 is the interval of spring base and spring, the outside middle position of sleeve 1 is provided with the handle assembly 8 for fixing sleeve 1, by rotating screw rod 2 control snap ring 5 ascension, make spring base press spring, and the pin of fixed spring is ejected, and then remove brake pad.

[0018] Further, in order to guarantee the connection fixed type of the tool, the pressure cap 6 and the sleeve 1 are connected by welding, and the snap ring 5 and the bottom block 4 are connected by welding.

[0019] Further, in order to facilitate the operator to hold the tool, the handle assembly 8 includes a nut 81 and a headed long bolt 82, the nut 81 is welded to the outside of the sleeve 1, the headed long bolt 82 is threadedly connected with the nut 81 and perpendicular to the sleeve 1, and the length of the headed long bolt 82 is adjusted by rotating the headed long bolt 82, so that the operator can hold the tool comfortably.

[0020] Further, in order to facilitate the operator to control the rotation of the screw rod 2, the outside of the screw rod 2 is provided with a rotating assembly 7 for driving the rotation, and the rotating assembly includes a nut 71 and a circular ring 72, the nut 71 is fixed to the outside of the screw rod 2, and the number of the circular ring 72 is two, and the two circular rings 72 are symmetrically fixed to the outside of the nut 71.

[0021] In use, the pressure cap 6 in the tool is pressed on the spring at the upper end of the brake drum, the snap ring 5 is clamped on the spring base at the lower end cover of the brake drum, the operator holds the headed long bolt 82 with one hand and rotates the screw rod 2 with the other hand, so that the snap ring 5 drives the spring base to move upward, and then the spring is compressed, the pin of the fixed spring is ejected, and the brake pad can be removed after the pin is taken out.

[0022] The utility model makes the originally complicated dismounting work of brake pad more fast and efficient, and the operation is more safe and reliable, which provides a powerful guarantee for the safety of the staff and greatly improves the practical convenience.

[0023] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A brake pad disassembly tool characterized by: The utility model provides a kind of spring tensioning device, including sleeve (1), screw rod (2) is threadedly connected in the sleeve (1), the upper end of the screw rod (2) extends the sleeve (1), the lower end of the screw rod (2) is connected with optical axis (3), the outer diameter of the optical axis (3) is less than the outer diameter of screw rod (2), the lower end of the optical axis (3) extends the sleeve (1) and is rotatably connected with bottom block (4), one side of the bottom block (4) is connected with the clamping ring (5) for clamping spring base, the outer side surface lower end of the sleeve (1) is fixed with the pressure cap (6) for pressing spring, the pressure cap (6) is located in the direct upper side of clamping ring (5), the outer side surface middle position of the sleeve (1) is provided with the handle assembly (8) for fixing sleeve (1).

2. A brake pad removal tool according to claim 1, wherein: The pressure cap (6) and the sleeve (1) are connected by welding.

3. The brake pad removal tool of claim 1, wherein: The clamping ring (5) and the bottom block (4) are connected by welding.

4. The brake pad removal tool of claim 1, wherein: The handle assembly (8) includes a nut (81) and a headed bolt (82), the nut (81) is welded to the outer side surface of the sleeve (1), and the headed bolt (82) is threadedly connected with the nut (81) and perpendicular to the sleeve (1).

5. The brake pad removal tool of claim 1, wherein: The outer side surface of the screw rod (2) is provided with a rotating assembly (7) for driving its rotation.

6. A brake pad removal tool according to claim 5, wherein: The rotating assembly includes a nut (71) and a circular ring (72), the nut (71) is fixed to the outer side surface of the screw rod (2), and the number of the circular ring (72) is two, and the two circular rings (72) are symmetrically fixed to the outer side surface of the nut (71).