Brake hard pipe with good sealing property

CN224649314UActive Publication Date: 2026-08-18QINGDAO KST TECH INC
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Patent Information

Application Number
CN202522204588.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-19
Publication Date
2026-08-18
Estimated Expiration
2035-10-19

AI Technical Summary

Technical Problem

[0003]本实用新型的目的在于:为了解决现有的刹车硬管在需要延长或修补连接后其密封性会降低的问题,提供一种密封性好的刹车硬管

Benefits of technology

本实用新型中通过将一组金属刹车管一一端由内螺纹锥形卡槽处插入,直至管体锥形头嵌入内螺纹锥形卡槽内,并将密封连接头套设在另一组金属刹车管二外侧,此时将金属刹车管二套插在连接内插管外侧直至嵌入锥形嵌槽内,并将固定密封座嵌入金属刹车管一内的管体锥形头中,此时将提前套设的密封连接头通过外螺纹凸头螺入内螺纹锥形卡槽内,直至多组圆弧扇形卡块嵌入锥形嵌槽内的金属刹车管二外侧,从而能够向内挤压金属刹车管二实现固定,同时能够将固定密封座向推顶管体锥形头推顶实现密封连接,如此结构能够起到更好的密封连接效果。

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Abstract

The utility model discloses a brake hard pipe that good sealing, include: sealed connecting sleeve, the inside one end of sealed connecting sleeve is provided with metal brake pipe no.
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Description

Technical Field

[0001] This utility model relates to the field of equipment technology, specifically a brake rigid pipe with good sealing performance. Background Technology

[0002] Brake hoses are a key component of the automotive braking system. They refer to the metal lines that connect the master cylinder brake cylinder to the wheel cylinders. As an important part of the automotive braking system, when the driver presses the brake pedal, the piston in the master cylinder pushes the brake fluid, which is then delivered to the wheel cylinders through the brake hoses. The piston in the brake caliper moves outward under the pressure of brake fluid, pushing the brake pads into contact with the brake disc or brake drum, generating friction, which slows down or stops the wheel. However, the sealing performance of existing brake hoses decreases after they need to be extended or repaired, which may lead to brake fluid leakage and brake failure. Utility Model Content

[0003] The purpose of this utility model is to provide a brake rigid pipe with good sealing performance in order to solve the problem that the sealing performance of existing brake rigid pipes will decrease after the need for extension or repair of the connection.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a brake rigid pipe with good sealing performance, comprising: a sealing connecting sleeve, wherein a metal brake tube one is inserted through one end of the sealing connecting sleeve, and a sealing connecting head is screwed to the inner side of the other end of the sealing connecting sleeve, wherein a metal brake tube two is inserted through the sealing connecting head, and a fixed sealing seat is fitted at one end of the metal brake tube two.

[0005] As a further embodiment of this utility model: the sealing connecting sleeve includes a connecting sleeve body, one end of which is fixedly provided with a conical sleeve head, a metal pipe groove is provided through the inside of the connecting sleeve body, and an internally threaded conical groove is provided through the inside of the conical sleeve head.

[0006] As a further embodiment of this utility model: the first metal brake tube includes a metal brake tube body, one end of which is fixedly connected to a conical head, and the second metal brake tube has the same specifications and model as the first metal brake tube.

[0007] As a further embodiment of this utility model: the sealing connector includes a connector body, one end of which is fixedly provided with an anti-slip protrusion ring, one end of which is fixedly provided with an external thread protrusion, and one end of which is fixedly provided with an arc-shaped fan-shaped locking block. A metal pipe groove is provided through the connector body, the anti-slip protrusion ring and the external thread protrusion.

[0008] As a further embodiment of this utility model: the fixed sealing seat includes a conical sealing seat, one end of the inner side of the conical sealing seat is provided with a conical groove, one end of the inner side of the conical groove is fixedly provided with a connecting inner tube, and the other end of the inner side of the conical sealing seat is provided with a sealing seat through hole, the sealing seat through hole communicating with the inner side of the connecting inner tube.

[0009] Compared with the prior art, the beneficial effects of this utility model are: In this invention, one end of a set of metal brake tubes is inserted into the internal threaded conical groove until the conical head of the tube body is embedded in the internal threaded conical groove. A sealing connector is then fitted onto the outside of another set of metal brake tubes. At this point, the second metal brake tube is inserted onto the outside of the connecting inner tube until it is embedded in the conical groove. The fixing sealing seat is then embedded into the conical head of the tube body inside the first metal brake tube. The pre-fitted sealing connector is then screwed into the internal threaded conical groove through the external threaded protrusion until multiple sets of arc-shaped locking blocks are embedded into the outside of the second metal brake tube in the conical groove. This allows the second metal brake tube to be pressed inward to achieve fixation, while simultaneously pushing the fixing sealing seat against the conical head of the tube body to achieve a sealing connection. This structure provides a better sealing connection effect. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of a brake rigid pipe with good sealing performance as described in this utility model; Figure 2 This is a cross-sectional internal structure diagram of a brake rigid pipe with good sealing performance as described in this utility model; Figure 3 This is a schematic diagram of the structure of a sealing connection sleeve in a brake rigid pipe with good sealing performance as described in this utility model; Figure 4 This is a schematic diagram of the structure of a metal brake tube in a brake rigid tube with good sealing performance as described in this utility model; Figure 5 This is a schematic diagram of the structure of a sealing connector in a brake rigid pipe with good sealing performance as described in this utility model; Figure 6 This is a schematic diagram of the structure of a fixed sealing seat in a brake rigid pipe with good sealing performance, as described in this utility model.

[0011] In the diagram: 1. Sealing connecting sleeve; 2. Metal brake pipe one; 3. Sealing connector; 4. Metal brake pipe two; 5. Fixed sealing seat; 10. Connecting sleeve body; 11. Conical sleeve head; 12. Metal pipe through groove one; 13. Internal thread conical groove; 20. Metal brake pipe body; 21. Pipe body conical head; 30. Connecting head body; 31. Anti-slip convex ring; 32. External thread convex head; 33. Arc-shaped fan-shaped locking block; 34. Metal pipe through groove two; 50. Conical sealing seat; 51. Conical groove; 52. Connecting inner tube; 53. Sealing seat through hole. Detailed Implementation

[0012] 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.

[0013] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will be described below based on its overall structure.

[0014] Reference Figure 1-6 In this embodiment of the utility model, a brake rigid tube with good sealing performance includes: a sealing connecting sleeve 1, a metal brake tube 2 passing through one end of the sealing connecting sleeve 1, a sealing connector 3 screwed to the inner side of the other end of the sealing connecting sleeve 1, a metal brake tube 4 passing through the sealing connector 3, and a fixed sealing seat 5 sleeved on one end of the metal brake tube 4.

[0015] The sealing connecting sleeve 1 includes a connecting sleeve body 10, one end of which is fixedly provided with a conical sleeve head 11. A metal pipe through groove 12 is opened through the inside of the connecting sleeve body 10, and an internal thread conical groove 13 is opened through the inside of the conical sleeve head 11.

[0016] The connecting sleeve is installed by inserting one end of a set of metal brake tubes 2 into the internal threaded tapered groove 13 until the tapered head 21 of the tube body is embedded in the internal threaded tapered groove 13.

[0017] Metal brake tube 1 2 includes a metal brake tube body 20, one end of which is fixedly connected to a conical head 21. Metal brake tube 2 4 has the same specifications and model as metal brake tube 1 2.

[0018] The sealing connector 3 includes a connector body 30. One end of the connector body 30 is fixedly provided with an anti-slip protrusion ring 31. One end of the anti-slip protrusion ring 31 is fixedly provided with an external thread protrusion 32. One end of the external thread protrusion 32 is fixedly provided with an arc-shaped fan-shaped locking block 33. A metal pipe groove 34 is opened through the connector body 30, the anti-slip protrusion ring 31 and the external thread protrusion 32.

[0019] The fixed sealing seat 5 includes a conical sealing seat 50. A conical groove 51 is provided at one end of the inner side of the conical sealing seat 50. A connecting inner tube 52 is fixedly provided at one end of the inner side of the conical groove 51. A sealing seat through hole 53 is provided at the other end of the inner side of the conical sealing seat 50. The sealing seat through hole 53 communicates with the inner side of the connecting inner tube 52.

[0020] The installation of the connector is completed by placing the sealing connector 3 on the outside of another set of metal brake tubes 4, and then inserting the metal brake tubes 4 on the outside of the connecting inner tube 52 until they are embedded in the conical groove 51.

[0021] The working principle of this utility model is as follows: When in use, first insert one end of a set of metal brake tubes 2 into the internal threaded conical groove 13 until the conical head 21 of the tube body is embedded in the internal threaded conical groove 13. Then, put the sealing connector 3 on the outside of another set of metal brake tubes 4. At this time, insert the metal brake tube 4 on the outside of the connecting inner tube 52 until it is embedded in the conical groove 51. Then, insert the fixing sealing seat 5 into the conical head 21 of the tube body inside the metal brake tube 2. Then, screw the pre-installed sealing connector 3 into the internal threaded conical groove 13 through the external threaded protrusion 32 until multiple sets of arc-shaped fan-shaped blocks 33 are embedded in the outside of the metal brake tube 4 in the conical groove 51. This can squeeze the metal brake tube 4 inward to achieve fixation. At the same time, it can push the fixing sealing seat 5 against the conical head 21 of the tube body to achieve a sealing connection. This structure can achieve a better sealing connection effect.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A brake rigid pipe with good sealing performance, characterized in that, include: A sealing connecting sleeve (1) has a metal brake tube (2) passing through one end inside the sealing connecting sleeve (1), and a sealing connector (3) is screwed to the inner side of the other end of the sealing connecting sleeve (1). A metal brake tube (4) passes through the inside of the sealing connector (3), and a fixed sealing seat (5) is fitted on one end of the metal brake tube (4).

2. The brake rigid pipe with good sealing performance according to claim 1, characterized in that, The sealing connecting sleeve (1) includes a connecting sleeve body (10), one end of which is fixedly provided with a conical sleeve head (11), a metal pipe through groove (12) is provided inside the connecting sleeve body (10), and an internal thread conical groove (13) is provided inside the conical sleeve head (11).

3. The brake rigid pipe with good sealing performance according to claim 1, characterized in that, The first metal brake tube (2) includes a metal brake tube body (20), and a tube body tapered head (21) is fixedly connected to one end of the metal brake tube body (20). The second metal brake tube (4) has the same specifications and model as the first metal brake tube (2).

4. The brake rigid pipe with good sealing performance according to claim 1, characterized in that, The sealing connector (3) includes a connector body (30), one end of which is fixedly provided with an anti-slip protrusion ring (31), one end of which is fixedly provided with an external thread protrusion (32), and one end of which is fixedly provided with an arc-shaped fan-shaped locking block (33). The connector body (30), the anti-slip protrusion ring (31) and the external thread protrusion (32) are provided with a metal pipe through groove (34).

5. A brake rigid pipe with good sealing performance according to claim 1, characterized in that, The fixed sealing seat (5) includes a conical sealing seat (50), with a conical groove (51) opened at one end of the inner side of the conical sealing seat (50), and a connecting inner tube (52) fixedly installed at one end of the inner side of the conical groove (51). A sealing seat through hole (53) is opened at the other end of the inner side of the conical sealing seat (50), and the sealing seat through hole (53) communicates with the inner side of the connecting inner tube (52).