Waterproof brake with high sealing performance

By using a sealing ring composed of an anti-wear coating, a sealing rubber layer, and a reinforcing fiber layer, as well as a sealing assembly, the problem of insufficient brake sealing is solved, effective sealing of the brake fluid is achieved, and stable brake performance is ensured.

CN223953127UActive Publication Date: 2026-02-27CHANGSHU SANSONG PRECISION ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202520750225.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-02-27
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

The existing brakes have insufficient sealing between the piston and the brake caliper and at the interface between the brake caliper and the brake line, which leads to brake fluid leakage and affects the braking performance.

Method used

It employs a sealing ring and a sealing assembly. The sealing ring consists of an anti-wear coating, a sealing rubber layer, and a reinforcing fiber layer. The reinforcing fiber layer is covered by a dustproof and waterproof outer layer. The sealing assembly is formed by connecting the first and second sealing gaskets and bolts, creating multiple lines of sealing protection.

Benefits of technology

It improves the sealing and waterproofing between the piston and the brake caliper body, prevents brake fluid leakage, ensures stable braking pressure, and enhances the sealing at the interface between the brake caliper body and the brake line to prevent leakage and ensure stable braking performance of the brake.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223953127U_ABST
Patent Text Reader

Abstract

The utility model discloses a waterproof brake with high sealing performance, and relates to the technical field of brakes. One side of the axle body is rotatably connected with a brake disc, the upper surface of the axle body is slidably connected with a moving block, the upper surface of the moving block is fixedly connected with a brake caliper body, one side of the brake caliper body is movably connected with a brake pipeline, and a sealing assembly is arranged between the brake pipeline and the brake caliper body. A cylinder is fixedly connected to the inner wall of the brake caliper body, a first friction block is fixedly connected to the end of the cylinder, a piston rod is slidably connected to an inner cavity of the brake caliper body, a second friction block is fixedly connected to one end of the piston rod, and a sealing ring used in cooperation with the piston rod is fixedly connected to the inner side of the brake caliper body. The sealing waterproof performance between the piston and the brake caliper body is improved, the braking effect of the brake is guaranteed, and the sealing performance of the joint of the brake caliper body and the brake pipeline is improved through the sealing assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to brake technology field, concretely is a kind of waterproof brake of high sealing property. BACKGROUND

[0002] Brake is a kind of mechanical parts (such as wheel, transmission shaft, rotating shaft etc.) in motion deceleration, stop or keep still state device. It is converted into heat energy or other forms of energy by friction or other resistance mode, to realize the purpose of braking, simply speaking, brake is like mechanical movement "brake device, in modern industry, many special vehicles and equipment to brake waterproof sealing performance put forward higher requirements;

[0003] However, the existing brake still has some problems when using:

[0004] First, the sealing waterproof property between the piston and brake caliper body in the structure of the existing brake is poor, the poor sealing here, brake fluid leakage will occur, leading to brake pressure shortage, influence brake effect;

[0005] Second, the sealing property of brake caliper body and brake pipe interface in the structure of the existing brake is insufficient, brake fluid leakage will also occur, and then influence the brake performance of brake structure. INVENTION CONTENTS

[0006] In order to solve the problems of poor sealing waterproof property between the piston and brake caliper body and insufficient sealing property of brake caliper body and brake pipe interface in brake structure;The purpose of the utility model is to provide a kind of waterproof brake of high sealing property.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of waterproof brake of high sealing property, including axle body, the one side of axle body is rotatably connected with brake disc, the upper surface of axle body is slidably connected with moving block, the upper surface of moving block is fixedly connected with brake caliper body, the one side of brake caliper body is movably connected with brake pipe, sealing assembly is equipped between brake pipe and brake caliper body, the inner wall of brake caliper body is fixedly connected with cylinder, and the end of cylinder is fixedly connected with first friction block, the inner cavity of brake caliper body is slidably connected with piston rod, and one end of piston rod is fixedly connected with second friction block, the inner side of brake caliper body is fixedly connected with sealing ring used in cooperation with piston rod, the sealing ring includes wear-resistant coating, the outer surface of wear-resistant coating is fixedly sleeved with sealing rubber layer, the outer surface of sealing rubber layer is fixedly sleeved with reinforcing fiber layer, the outer surface of reinforcing fiber layer is fixedly sleeved with dustproof waterproof outer layer.

[0008] Preferably, the sealing assembly comprises a first sealing gasket fixedly connected with the brake pipeline, a second sealing gasket used in cooperation with the first sealing gasket is movably connected to one side of the brake caliper body, the first sealing gasket is movably connected with the second sealing gasket, a clamping groove used in cooperation with the second sealing gasket is formed on one side of the axle body, the second sealing gasket is clamped and matched with the clamping groove, a first threaded hole is annularly formed on the inner wall of the clamping groove, a second threaded hole is annularly formed on one side of the brake pipeline, and the second threaded hole is threadedly connected with the inner wall of the first threaded hole through a bolt.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、The sealing ring is arranged, so that the sealing and waterproof property between the piston and the brake caliper body is improved, brake fluid leakage is avoided to cause insufficient brake pressure, and the brake effect of the brake is ensured.

[0011] 2、The sealing assembly is arranged, so that the sealing property of the interface between the brake caliper body and the brake pipeline is improved, brake fluid leakage is avoided, and the brake structure can always stably exert the brake effect. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a partially cutaway structural schematic diagram of the utility model.

[0015] Figure 3 It is a cutaway structural schematic diagram of the sealing ring of the utility model.

[0016] Figure 4 It is an exploded structural schematic diagram of the sealing assembly of the utility model.

[0017] In the diagram: 1. Axle body; 2. Sealing ring; 21. Dustproof and waterproof outer layer; 22. Reinforcing fiber layer; 23. Sealing rubber layer; 24. Anti-wear coating; 3. Sealing assembly; 31. Second threaded hole; 32. Bolt; 33. First sealing gasket; 35. First threaded hole; 36. Slot; 37. Second sealing gasket; 4. Moving block; 5. Guide rod; 6. Positioning plate; 7. Brake disc; 8. Brake caliper; 9. Brake line; 10. Piston rod; 11. Second friction block; 12. First friction block; 13. Cylinder. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figures 1-4 As shown, this utility model provides a highly sealed waterproof brake, including an axle body 1. A brake disc 7 is rotatably connected to one side of the axle body 1. The rotatable connection allows the brake disc 7 to rotate freely with the wheel under the support of the axle body 1, ensuring smooth wheel rotation during normal vehicle operation. A movable block 4 is slidably connected to the upper surface of the axle body 1, and a positioning plate 6 is fixedly connected to the upper surface of the axle body 1. A guide rod 5 is fixedly connected to the inner side of the positioning plate 6. The movable block 4 is slidably sleeved on the outer surface of the guide rod 5. A brake caliper 8 is fixedly connected to the upper surface of the movable block 4. The guide rod 5, in conjunction with the movable block 4, guides the brake caliper 8 to perform stable linear movement on the axle body 1, ensuring that the brake caliper 8 can accurately apply force to the brake disc 7 during braking.

[0020] A brake line 9 is movably connected to one side of the brake caliper body 8, facilitating the flow of brake fluid. A sealing assembly 3 is provided between the brake line 9 and the brake caliper body 8, which facilitates the sealing of the connection between the brake caliper body 8 and the brake line 9. A cylinder 13 is fixedly connected to the inner wall of the brake caliper body 8, and a first friction block 12 is fixedly connected to the end of the cylinder 13. A piston rod 10 is slidably connected to the inner cavity of the brake caliper body 8, and a second friction block 11 is fixedly connected to one end of the piston rod 10. The first friction block 12 and the second friction block 11 are located on both sides of the brake disc 7, respectively. The first friction block 12 and the second friction block 11 work together with the brake disc 7 to improve the stability and reliability of the overall brake structure.

[0021] The inner side of the brake caliper body 8 is fixedly connected with a sealing ring 2 used in cooperation with a piston rod 10, the piston rod 10 is in sliding connection with the sealing ring 2, the sealing ring 2 serves to facilitate the sealing between the piston rod 10 and the brake caliper body 8, and ensures the brake pressure.

[0022] The sealing ring 2 comprises an anti-wear coating 24, which can effectively reduce the friction generated when the piston rod 10 reciprocates in the sealing ring 2, the outer surface of the anti-wear coating 24 is fixedly sleeved with a sealing rubber layer 23, which tightly adheres to the piston rod 10 by virtue of the good elasticity of rubber, thereby effectively preventing brake fluid from leaking from the gap between the piston rod 10 and the brake caliper body 8, the outer surface of the sealing rubber layer 23 is fixedly sleeved with a reinforcing fiber layer 22, which provides additional strength support.

[0023] The outer surface of the reinforcing fiber layer 22 is fixedly sleeved with a dustproof and waterproof outer layer 21, which is made of polyurethane material, can effectively resist moisture and impurities in a humid environment, prevent damage to the internal structure of the sealing ring 2, and effectively improve the sealing performance between the piston rod 10 and the brake caliper body 8.

[0024] The sealing assembly 3 comprises a first sealing gasket 33, the first sealing gasket 33 is fixedly connected with the brake pipeline 9, one side of the brake caliper body 8 movably clamps a second sealing gasket 37 used in cooperation with the first sealing gasket 33, the cross-sectional shape of the first sealing gasket 33 and the second sealing gasket 37 is circular, and the circular design of the first sealing gasket 33 and the second sealing gasket 37 and the mutual movable clamping cooperation can form multiple sealing lines at the connecting part of the brake caliper body 8 and the brake pipeline 9, effectively preventing brake fluid from leaking from the interface.

[0025] The first sealing gasket 33 and the second sealing gasket 37 are movably clamped, one side of the axle body 1 is provided with a clamping groove 36 used in cooperation with the second sealing gasket 37, the clamping groove 36 provides a mounting position for the second sealing gasket 37, the second sealing gasket 37 is clamped and matched with the clamping groove 36, the inner wall of the clamping groove 36 is annularly arranged with first threaded holes 35, one side of the brake pipeline 9 is annularly arranged with second threaded holes 31, the second threaded holes 31 and the first threaded holes 35 are in threaded connection with a bolt 32, the cooperation of the first threaded holes 35, the second threaded holes 31 and the bolt 32 can firmly fix the brake pipeline 9, the first sealing gasket 33 and the second sealing gasket 37 on the axle body 1 and the brake caliper body 8, further enhancing the sealing stability of the sealing assembly 3 at the interface between the brake caliper body 8 and the brake pipeline 9, avoiding the leakage of brake fluid, and ensuring that the brake structure can always stably exert its braking effect.

[0026] Working principle: first, when the vehicle needs to brake, the guide rod 5 cooperates with the moving block 4 to guide the stable linear motion of the brake caliper body 8 on the axle body 1, the hydraulic system applies pressure to the piston rod 10 in the brake caliper body 8, the piston rod 10 slides in the inner cavity of the brake caliper body 8 along the axial direction, the sealing rubber layer 23 in the sealing ring 2 tightly fits the piston rod 10 by using its elasticity, which ensures that the brake fluid does not leak from the gap between the piston rod 10 and the brake caliper body 8, the anti-wear coating 24 reduces the friction between the piston rod 10 and the sealing ring 2 when the piston rod 10 moves, the fiber layer 22 prevents the sealing ring 2 from being deformed too much, the dustproof and waterproof outer layer 21 blocks the dust and water from entering the inside of the sealing ring 2, and maintains the sealing performance.

[0027] With the movement of the piston rod 10, the second friction block 11 at the end thereof approaches the brake disc 7, and the first friction block 12 also approaches the brake disc 7 from the other side, the first friction block 12 and the second friction block 11 are respectively located on both sides of the brake disc 7 and gradually clamp the brake disc 7, during braking, the rotation of the brake disc 7 is hindered by the friction between the first friction block 12 and the second friction block 11 and the brake disc 7, so that the wheel gradually slows down until it stops.

[0028] At the connecting part of the brake caliper body 8 and the brake pipeline 9, through the sealing assembly 3, the first sealing gasket 33 fixedly connected on the brake pipeline 9 and the second sealing gasket 37 movably connected on one side of the brake caliper body 8 are tightly matched to form effective sealing, the first threaded hole 35 and the second threaded hole 31 are connected through the bolt 32, the entire sealing assembly 3 is firmly fixed in the corresponding position, preventing the brake fluid from leaking at the interface between the brake caliper body 8 and the brake pipeline 9, ensuring stable hydraulic transmission of the brake system, and further ensuring stable and reliable braking performance of the brake.

[0029] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A high-sealing waterproof brake comprising a vehicle axle body (1), characterized in that: One side of the axle body (1) is rotatably connected with a brake disc (7), the upper surface of the axle body (1) is slidably connected with a moving block (4), the upper surface of the moving block (4) is fixedly connected with a brake caliper body (8), one side of the brake caliper body (8) is movably connected with a brake pipe (9), the brake pipe (9) and the brake caliper body (8) are provided with a sealing assembly (3), the inner wall of the brake caliper body (8) is fixedly connected with a cylinder (13), and the end of the cylinder (13) is fixedly connected with a first friction block (12), the inner cavity of the brake caliper body (8) is slidably connected with a piston rod (10), and one end of the piston rod (10) is fixedly connected with a second friction block (11), the inner side of the brake caliper body (8) is fixedly connected with a sealing ring (2) used in cooperation with the piston rod (10): The sealing ring (2) comprises an anti-wear coating (24), the outer surface of the anti-wear coating (24) is fixedly sleeved with a sealing rubber layer (23), the outer surface of the sealing rubber layer (23) is fixedly sleeved with a reinforcing fiber layer (22), and the outer surface of the reinforcing fiber layer (22) is fixedly sleeved with a dustproof and waterproof outer layer (21).

2. A high seal water resistant brake as claimed in claim 1, wherein: The sealing assembly (3) comprises a first sealing gasket (33), the first sealing gasket (33) is fixedly connected with the brake pipe (9), one side of the brake caliper body (8) is movably clamped with a second sealing gasket (37) used in cooperation with the first sealing gasket (33), and the first sealing gasket (33) and the second sealing gasket (37) are movably clamped.

3. A high seal water resistant brake as claimed in claim 1 wherein: The upper surface of the axle body (1) is fixedly connected with a positioning plate (6), the inner side of the positioning plate (6) is fixedly connected with a guide rod (5), and the moving block (4) is slidably sleeved on the outer surface of the guide rod (5).

4. A high seal water resistant brake as claimed in claim 1 wherein: The piston rod (10) is slidably connected with the sealing ring (2).

5. A high containment water resistant brake as claimed in claim 2, wherein: One side of the axle body (1) is provided with a clamping groove (36) used in cooperation with the second sealing gasket (37), and the second sealing gasket (37) is clamped and matched with the clamping groove (36).

6. A high containment, water resistant brake as claimed in claim 5, wherein: First threaded holes (35) are annularly arranged on the inner wall of the clamping groove (36), second threaded holes (31) are annularly arranged on one side of the brake pipe (9), and the second threaded holes (31) and the inner walls of the first threaded holes (35) are threadedly connected with bolts (32).

7. A high containment water resistant brake as claimed in claim 2, wherein: The cross-sectional shape of the first sealing gasket (33) and the second sealing gasket (37) is circular.

8. A high containment water brake as claimed in claim 1, wherein: The first friction block (12) and the second friction block (11) are respectively located on both sides of the brake disc (7).