Brake oil pipe with good sealing performance

By adopting steel braided pipe structure and lining structure in the brake oil pipe, combined with the snap and limit ring mechanism, the problem of brake oil pipe connection is solved, efficient connection and sealing is achieved, and maintenance efficiency and safety are improved.

CN222780412UActive Publication Date: 2025-04-22JIZHOU JINXING RUBBER PROD
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Patent Information

Application Number
CN202421747244.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-04-22
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The existing brake oil pipes cannot be connected quickly in terms of connection, which affects maintenance efficiency and increases safety risks in emergencies.

Method used

The steel braided pipe structure is adopted, and the inner lining structure is arranged inside, including a reinforcement layer and a lining layer, which enhances tensile resistance and corrosion resistance, and enables quick connection and sealing through snap and limiting mechanisms.

Benefits of technology

It realizes quick connection and sealing of brake oil pipes, improves maintenance efficiency, reduces safety risks, and enhances the tensile and corrosion resistance of oil pipes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of brake oil pipes, and discloses a brake oil pipe with good sealing performance, which comprises a steel braided pipe, a lining structure is arranged in the steel braided pipe, the lining structure is used for improving pipeline safety and optimizing fluid flow, the left end of the steel braided pipe is fixedly connected with a first joint, the left end of the first joint is fixedly connected with a second joint, and the second joint is fixedly connected with a third joint. The right end of the steel braided tube is fixedly connected with a connector III, the lower end of the connector III is fixedly connected with a connector IV, the lower end of the connector IV is connected with a valve, the periphery of the valve is sleeved with a sleeve, the periphery of the sleeve is fixedly connected with a plurality of springs, and the periphery of the sleeve is fixedly connected with a plurality of supporting seats. The sleeve, the buckle, the spring and the limiting ring are matched together, so that the upper portion of the buckle is clamped to the bottom of the fourth connector, the lower portion of the buckle abuts against the top of the limiting ring, the bottom of the fourth connector extrudes the sealing ring on the inner diameter of the valve, and quick connecting and sealing work of the pipeline is completed.
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Description

Technical Field

[0001] The utility model relates to the technical field of brake oil pipes, in particular to a brake oil pipe with good sealing performance. Background Art

[0002] Brake hose is an important part of the automobile braking system, and it undertakes the key task of transmitting brake pressure. In the early days, brake hoses were mostly simple metal tubes, and later rubber tubes. Nowadays, steel braided tubes combine the advantages of both. The technology is constantly improving, and the materials and processes are innovative to meet higher automobile performance and safety requirements.

[0003] The brake oil pipe adopts a steel braided pipe structure. Its structure includes an internal metal braided layer to enhance the pressure resistance, and an outer layer of rubber material to ensure good sealing. When the driver steps on the brake pedal, the brake master cylinder generates pressure, and the brake oil is transported to each brake cylinder through the channel inside the oil pipe. The piston in the cylinder is under pressure to push the brake pads and brake discs into close contact, generating friction, thereby realizing the braking function of the vehicle;

[0004] The existing brake oil pipe has the disadvantage of not being able to be connected quickly. When repairing or replacing the brake oil pipe for a vehicle, it takes too much time, affecting the maintenance efficiency. In an emergency, the connection cannot be completed quickly, increasing the safety risk. Therefore, a brake oil pipe with good sealing performance is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a brake oil pipe with good sealing performance, aiming to improve the problem in the prior art that the brake oil pipe cannot be quickly connected, which affects the maintenance efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A brake oil pipe with good sealing performance, comprising a steel braided pipe, wherein a lining structure is arranged inside the steel braided pipe, the lining structure is used to improve the safety of the pipe and optimize the fluid flow, the left end of the steel braided pipe is fixedly connected with a joint 1, the left end of the joint 1 is fixedly connected with a joint 2, the right end of the steel braided pipe is fixedly connected with a joint 3, the lower end of the joint 3 is fixedly connected with a joint 4, the lower end of the joint 4 is connected with a valve, the outer periphery of the valve is sleeved with a sleeve, the outer periphery of the sleeve is fixedly connected with a plurality of springs, the outer periphery of the sleeve is fixedly connected with a plurality of support seats, the plurality of support seats are rotatably connected with buckles, the bottoms of the plurality of buckles are fixedly connected to the tops of the plurality of springs, and the outer periphery of the lower part of the valve is sleeved with a limiting ring;

[0008] As a further description of the above technical solution:

[0009] The lining structure comprises a reinforcement layer, the reinforcement layer is lined inside the steel braided tube, and a lining layer is arranged inside the reinforcement layer;

[0010] As a further description of the above technical solution:

[0011] Positioning marks are arranged on the left and right sides of the middle of the steel braided tube;

[0012] As a further description of the above technical solution:

[0013] The upper parts of the plurality of buckles are engaged with the bottom of the fourth joint, and the bottom parts of the plurality of buckles are abutted against the top of the limiting ring;

[0014] As a further description of the above technical solution:

[0015] A sealing ring is provided inside the top side of the valve;

[0016] As a further description of the above technical solution:

[0017] The diameter of the steel braided pipe is larger than the diameter of the third connector, and the inner diameter of the valve is larger than the inner diameter of the fourth connector;

[0018] As a further description of the above technical solution:

[0019] The outer layer of the steel braided tube is made of nitrile rubber, and the surface of the second joint is coated with a galvanized coating;

[0020] As a further description of the above technical solution:

[0021] The reinforcement layer is made of braided steel wires, and the lining layer is made of Teflon material.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by pressing the bottom of multiple buckles, the upper parts of multiple buckles are opened and connected with the bottom of the joint four, the bottom of multiple buckles are loosened to make the upper parts clamped on the bottom of the joint four, the sleeve is pushed down and drives the multiple buckles to move downward so that the bottom of the joint four is inserted into the valve and squeezes the sealing ring of the inner diameter of the valve, and the multiple buckles are abutted against the top of the limit ring to fix the buckle position, so as to realize the rapid connection and sealing effect of the pipeline.

[0024] 2. In the utility model, the reinforcement layer of the inner lining of the steel braided tube can enhance the tensile strength of the brake oil pipe, and the inner lining layer inside the reinforcement layer can enhance the relevant corrosion resistance and high temperature stability. Through the cooperation of the steel braided tube, the reinforcement layer and the inner lining layer, the sealing and stabilizing effects of the brake oil pipe are achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1This is a three-dimensional schematic diagram of a brake oil pipe with good sealing performance proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a steel braided tube of a brake oil pipe with good sealing performance proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a brake oil pipe valve with good sealing performance proposed by the utility model;

[0028] Figure 4 The utility model is a schematic structural diagram of a sleeve of a brake oil pipe with good sealing performance.

[0029] Legend:

[0030] 1. Steel braided pipe; 2. Joint 1; 3. Joint 2; 4. Positioning mark; 5. Joint 3; 6. Joint 4; 7. Valve; 8. Buckle; 9. Support seat; 10. Limiting ring; 11. Sleeve; 12. Reinforcement layer; 13. Lining layer; 14. Spring; 15. Sealing ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-Figure 4The utility model provides an embodiment: a brake oil pipe with good sealing performance, including a steel braided pipe 1, the steel braided pipe 1 is used to transmit brake fluid, a lining structure is arranged inside the steel braided pipe 1, the lining structure is used to improve the safety of the pipeline and optimize the fluid flow, the left end of the steel braided pipe 1 is fixedly connected with a joint 2, the joint 2 is used to connect the steel braided pipe 1 with other structures, the left end of the joint 2 is fixedly connected with a joint 2 3, the joint 2 3 is used to connect the joint 2 together with the steel braided pipe 1 with other structures, the right end of the steel braided pipe 1 is fixedly connected with a joint 3 5, the joint 3 5 is used to connect the steel braided pipe 1 with other structures, and the lower end of the joint 3 5 is fixedly connected with a joint 4 6. The joint four 6 is used to connect the joint three 5 together with the steel braided pipe 1 to other structures. The lower end of the joint four 6 is connected with a valve 7. The valve 7 is used to control the connection of the joint four 6 with other structures. The outer periphery of the valve 7 is sleeved with a sleeve 11. The outer periphery of the sleeve 11 is fixedly connected with a plurality of springs 14. The outer periphery of the sleeve 11 is fixedly connected with a plurality of support seats 9. The plurality of support seats 9 are all rotatably connected with buckles 8. The bottoms of the plurality of buckles 8 are all fixedly connected to the tops of the plurality of springs 14. The sleeve 11 slides on the outer periphery of the valve 7 to drive the plurality of springs 14 and the plurality of support seats 9 and the plurality of buckles 8 rotatably connected thereto to move. The outer periphery of the lower part of the valve 7 is sleeved with a limiting ring 10, the limit ring 10 is used to prevent the upper part of the buckle 8 from opening. Positioning marks 4 are set on the left and right sides of the middle of the steel braided pipe 1. The positioning marks 4 can enable the maintenance personnel to clearly identify the position and direction of the oil pipe during vehicle maintenance and overhaul. The upper parts of multiple buckles 8 are engaged with the bottom of the joint four 6. The buckle 8 clamps and fixes the bottom of the joint four 6 to prevent it from falling off from the valve 7. The bottom of the buckle 8 abuts against the top of the limit ring 10. The bottom of the buckle 8 abuts against the top of the limit ring 10 to prevent the upper part of the buckle 8 from opening and causing the joint four 6 to fall off from the valve 7. A sealing ring 15 is set inside the top side of the valve 7. The sealing ring 15 can play a sealing role to prevent fluid leakage and Reduce the friction between structures. The diameter of steel braided pipe 1 is larger than the diameter of joint three 5. The diameter of steel braided pipe 1 is larger than the diameter of joint three 5, which can meet the pressure distribution requirements and improve the accuracy and stability of braking. The inner diameter of valve 7 is larger than the inner diameter of joint four 6. The inner diameter of valve 7 is larger than the inner diameter of joint four 6, which can reduce the flow resistance of the fluid and adapt to the flow change of the fluid. The outer layer of steel braided pipe 1 is made of nitrile rubber. Nitrile rubber has excellent oil resistance and wear resistance and can give steel braided pipe 1 better flexibility. The surface of joint two 3 is coated with galvanized coating. The galvanized coating can provide certain anti-corrosion properties to protect the joint from oxidation and corrosion.

[0033] Reference Figure 1 and Figure 2The lining structure includes a reinforcement layer 12, which is lined inside the steel braided tube 1. The reinforcement layer 12 is used to resist stretching and twisting and maintain the shape and structural integrity of the brake oil pipe. An inner lining layer 13 is arranged inside the reinforcement layer 12. The inner lining layer 13 can protect the inside of the oil pipe from being corroded by the brake fluid, reduce the resistance to the flow of the brake fluid and play a sealing role. The reinforcement layer 12 is made of woven steel wire. The steel wire has a strong supporting capacity and can resist tensile force to prevent the oil pipe from being stretched or broken during vehicle operation. The inner lining layer 13 is made of Teflon material. Teflon material has excellent corrosion resistance, sealing and high temperature stability, which can prevent the inner lining layer 13 from being corroded by the brake fluid, prevent the brake fluid from leaking and can adapt to the high temperature generated by the operation of the brake system.

[0034] Working principle: Connect the second connector 3 to the main cylinder component, connect the third connector 5 to the fourth connector 6, insert the fourth connector 6 into the valve 7, move the sleeve 11 to the upper end, drive the multiple support seats 9 fixedly connected to the outer periphery of the sleeve 11 and the multiple buckles 8 connected in rotation to move together with the multiple springs 14 fixedly connected to the outer periphery of the sleeve 11, press the lower ends of the multiple buckles 8 to open the upper ends of the buckles 8, clamp the upper ends of the buckles 8 at the bottom of the fourth connector 6, move the sleeve 11 downward, drive the components fixed on the outer periphery of the sleeve 11 to move together, so that the upper ends of the multiple buckles 8 are tightly clamped to the bottom of the fourth connector 6, the lower ends of the multiple buckles 8 are abutted against the top of the limit ring 10 to prevent the upper parts of the multiple buckles 8 from opening, and the bottom of the fourth connector 6 squeezes the sealing ring 15 with a fixed inner diameter of the valve 7 to achieve rapid connection of the pipeline and seal the pipeline. The outer layer of the steel braided pipe 1 is made of nitrile rubber The nitrile rubber has excellent oil resistance, wear resistance, flexibility and sealing properties, can prevent the leakage and erosion of brake fluid, extend the service life of the oil pipe, keep the oil pipe in good elasticity and flexibility, and reduce the risk of rupture and damage. The steel braided pipe 1 is lined with a reinforcing layer 12, which can resist stretching and twisting to maintain the shape and structural integrity of the brake oil pipe. The reinforcing layer 12 is made of woven steel wire. The steel wire has a strong supporting capacity and can resist tensile force to prevent the oil pipe from being stretched or broken during vehicle operation. An inner lining layer 13 is arranged inside the reinforcing layer 12, and the inner lining layer 13 is made of Teflon material. Teflon material has excellent corrosion resistance, sealing and high temperature stability, can prevent the inner lining layer 13 from being corroded by brake fluid, prevent brake fluid leakage and can adapt to the high temperature generated by the operation of the brake system.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake oil pipe with good sealing performance, comprising a steel braided pipe (1), characterized in that: The steel braided pipe (1) is provided with an inner lining structure, which is used to improve pipeline safety and optimize fluid flow. The left end of the steel braided pipe (1) is fixedly connected to a joint 1 (2), the left end of the joint 1 (2) is fixedly connected to a joint 2 (3), the right end of the steel braided pipe (1) is fixedly connected to a joint 3 (5), the lower end of the joint 3 (5) is fixedly connected to a joint 4 (6), the lower end of the joint 4 (6) is connected to a valve (7), the outer periphery of the valve (7) is sleeved with a sleeve (11), the outer periphery of the sleeve (11) is fixedly connected to a plurality of springs (14), the outer periphery of the sleeve (11) is fixedly connected to a plurality of support seats (9), the plurality of support seats (9) are rotatably connected to buckles (8), the bottoms of the plurality of buckles (8) are fixedly connected to the tops of the plurality of springs (14), and the lower periphery of the valve (7) is sleeved with a limiting ring (10).

2. A brake oil pipe with good sealing performance according to claim 1, characterized in that: The lining structure comprises a reinforcement layer (12), the reinforcement layer (12) is lined inside the steel braided tube (1), and an inner lining layer (13) is arranged inside the reinforcement layer (12).

3. A brake oil pipe with good sealing performance according to claim 1, characterized in that: Positioning marks (4) are provided on the left and right sides of the middle of the steel braided tube (1).

4. A brake oil pipe with good sealing performance according to claim 1, characterized in that: The upper parts of the plurality of buckles (8) are engaged with the bottom of the joint four (6), and the bottom parts of the plurality of buckles (8) are abutted against the top of the limiting ring (10).

5. The brake oil pipe with good sealing performance according to claim 1, characterized in that: A sealing ring (15) is arranged inside the top side of the valve (7).

6. A brake oil pipe with good sealing performance according to claim 1, characterized in that: The diameter of the steel braided tube (1) is larger than the diameter of the joint three (5), and the inner diameter of the valve (7) is larger than the inner diameter of the joint four (6).

7. The brake oil pipe with good sealing performance according to claim 1, characterized in that: The outer layer of the steel braided tube (1) is made of nitrile rubber material, and the surface of the second joint (3) is coated with a galvanized coating.

8. The brake oil pipe with good sealing performance according to claim 2, characterized in that: The reinforcement layer (12) is made of braided steel wires, and the lining layer (13) is made of Teflon material.