A leak-proof connector for brake pipes

Abstract

This utility model relates to the field of brake pipe installation technology, and provides a leak-proof connector for brake pipes, including a brake pipe body, a first connector mounted on the brake pipe body, and a second connector mounted on one end of the brake pipe body. The second connector is provided with a connecting structure, which includes a first connecting ring threadedly connected to the second connector, a second connecting ring mounted on one end of the first connecting ring, a wedge evenly mounted on the outer surface of the second connector, and a locking block mounted on the bottom end of the wedge. Through this connecting structure, rotating the first connecting ring causes it to thread into the second connector, and vice versa, achieving a quick connection between the brake pipe body and the second connector. Simultaneously, the wedge groove causes the wedge to move, allowing the locking block to enter and engage with the groove, thus limiting the position of the brake pipe body and improving its installation stability.

Description

Technical Field

[0001] This utility model relates to the field of brake pipe installation technology, and in particular to a leak-proof connector for brake pipes. Background Technology

[0002] Brake hoses, also known as brake lines, are components used in automotive braking systems. Their main function is to transmit braking fluid during braking, ensuring that braking force is transmitted to the brake shoes or calipers to generate braking force, making braking effective at all times. There are many types of brake hoses, which can be divided into original equipment brake hoses and universal brake hoses. Brake hoses require connectors for installation.

[0003] To address this, patent CN207470956U discloses a brake pipe connector, including a fixing base. One end of the fixing base has a insertion hole. A first connecting pipe is connected to the end of the fixing base away from the insertion hole, and the insertion hole and the first connecting pipe are interconnected. A metal insert is inserted into the insertion hole. A sealing ring is provided at the end of the metal insert near the first connecting pipe. A second connecting pipe is connected to the end of the metal insert away from the sealing ring, and the second connecting pipe is interconnected with the interior of the metal insert. A limiting ring is fixedly sleeved on the outer wall of the metal insert. A fixing plate is movably sleeved on the side of the limiting ring away from the sealing ring. A fixing cylinder is fixedly connected to the side wall of the fixing plate near the limiting ring. This utility model has a simple structure, is easy to use, and changes the connection method of traditional connectors, resulting in better sealing performance of the brake pipe. It also secures the threaded connection, preventing loosening due to vibration, thus ensuring a high safety factor.

[0004] Existing leak-proof connectors for brake lines involve complex and cumbersome installation steps, affecting installation efficiency, and are prone to loose connections between interfaces during use. Utility Model Content

[0005] The purpose of this utility model is to provide a leak-proof connector for brake pipes, in order to solve the defect that the existing leak-proof connector for brake pipes is inconvenient to install.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a leak-proof connector for brake pipes, including a brake pipe body, a first connector mounted on the brake pipe body, a second connector mounted on one end of the brake pipe body, a connecting structure provided on the second connector, the connecting structure including a first connecting ring threadedly connected to the second connector, a second connecting ring mounted on one end of the first connecting ring, a wedge evenly mounted on the outer surface of the second connector, and a locking block mounted on the bottom end of the wedge, a locking groove that mates with the locking block being formed on the outer surface of the brake pipe body, a limiting groove being formed on the inner side of the first connecting ring, a wedge groove being formed on the inner side of the first connecting ring at one end of the limiting groove, a second threaded groove being formed on the inner side of the first connecting ring at one end of the wedge groove, and a protective structure being provided on one end of the outer surface of the second connector.

[0007] Preferably, the inner side of the first connector is provided with a first threaded groove, and the outer surface of the second connector is provided with an external thread.

[0008] The above structure enables the first connecting ring to be threadedly connected to the second connecting head, and the second connecting ring to the first connecting head.

[0009] Preferably, the diameter of the first connecting ring is larger than the diameter of the second connecting ring, and the second connecting ring and the first connecting head form a threaded connection.

[0010] The above structure allows for quick connection of the brake hose to the second connector.

[0011] Preferably, the locking blocks are arranged in a ring on the inner side of the second connector, and the locking blocks and the locking slots form an engaging structure.

[0012] The above structure can limit the position of the brake pipe body, improving its installation stability.

[0013] Preferably, a limiting ring is installed inside the second connector, and a second sealing gasket is installed at one end of the limiting ring. A first sealing gasket is installed between the first connector and the second connector.

[0014] The above structure can improve the sealing between the brake pipe and the second connector.

[0015] Preferably, the protective structure includes a fixing ring, a limiting spring, and a dustproof ring. The fixing ring is installed at one end of the outer surface of the second connector, the limiting spring is evenly installed at one end of the fixing ring, and the dustproof ring is installed at one end of the limiting spring.

[0016] The above structure protects the external threads on the second connector, preventing damage.

[0017] Preferably, the limiting springs are arranged in a ring at one end of the fixed ring, and the limiting springs and the dustproof ring form a telescopic structure.

[0018] The above structure facilitates contact between the dustproof ring and the first connecting ring.

[0019] The leak-proof connector for brake pipes provided by this utility model has the following advantages:

[0020] The connection structure allows for quick connection between the brake hose and the second connector. The first and second sealing gaskets work together to improve the sealing between the brake hose and the second connector. The protective structure protects the external threads on the second connector from damage.

[0021] By rotating the first connecting ring through the designed connection structure, the first connecting ring is threadedly connected to the second connecting head, and the second connecting ring is threadedly connected to the first connecting head. This enables the brake pipe body to be quickly connected to the second connecting head. At the same time, the wedge groove moves the wedge block, causing the locking block to enter the locking groove and engage with it, which can limit the brake pipe body and improve its installation stability.

[0022] By setting a first sealing gasket and a double seal with the first sealing gasket and the second sealing gasket, the sealing performance between the brake pipe body and the second connector can be improved, the performance can be improved, and oil leakage due to poor sealing can be avoided.

[0023] Through the protective structure, the limiting spring moves the dustproof ring, causing it to contact the first connecting ring. The first connecting ring and the dustproof ring can protect the external threads on the second connecting head, thus achieving the purpose of dust prevention. Attached Figure Description

[0024] Figure 1 This is a front view structural diagram of the present utility model;

[0025] Figure 2 This is a frontal cross-sectional view of the present invention.

[0026] Figure 3 This is a front view structural diagram of the first connector of this utility model;

[0027] Figure 4 This is a front view structural diagram of the second connector of this utility model;

[0028] Figure 5 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0029] The reference numerals in the figure are as follows: 1. Brake pipe body; 2. First connector; 21. First threaded groove; 3. Connecting structure; 31. First connecting ring; 311. Second threaded groove; 312. Wedge groove; 313. Limiting groove; 32. Slot; 33. Second connecting ring; 34. Slot; 35. Wedge block; 4. Second connector; 41. Limiting ring; 42. External thread; 5. Protective structure; 51. Fixing ring; 52. Limiting spring; 53. Dustproof ring; 6. First sealing gasket; 7. Second sealing gasket. Detailed Implementation

[0030] 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.

[0031] Please see Figures 1-5 The present invention provides a leak-proof connector for brake pipes, comprising a brake pipe body 1.

[0032] Reference Figures 1-5 As shown, a first connector 2 is installed on the brake pipe body 1, and a second connector 4 is installed at one end of the brake pipe body 1. A first threaded groove 21 is opened on the inner side of the first connector 2, and an external thread 42 is opened on the outer surface of the second connector 4. A limit ring 41 is installed inside the second connector 4, and a second sealing gasket 7 is installed at one end of the limit ring 41. A first sealing gasket 6 is installed between the first connector 2 and the second connector 4 to improve the sealing between the brake pipe body 1 and the second connector 4.

[0033] The second connector 4 is provided with a connecting structure 3, which includes a first connecting ring 31 threadedly connected to the second connector 4, a second connecting ring 33 installed at one end of the first connecting ring 31, the diameter of the first connecting ring 31 being larger than the diameter of the second connecting ring 33, the second connecting ring 33 forming a threaded connection with the first connector 2, wedges 35 evenly installed on the outer surface of the second connector 4 and locking blocks 34 installed at the bottom of the wedges 35, a locking groove 32 that mates with the locking blocks 34 is opened on the outer surface of the brake pipe body 1, the locking blocks 34 are distributed in a ring on the inner side of the second connector 4, the locking blocks 34 and the locking groove 32 forming a locking structure, a limiting groove 313 is opened on the inner side of the first connecting ring 31, a wedge groove 312 is opened on the inner side of the first connecting ring 31 at one end of the limiting groove 313, and a second threaded groove 311 is opened on the inner side of the first connecting ring 31 at one end of the wedge groove 312.

[0034] Insert the brake tube 1 into the second connector 4 until it abuts against the limiting ring 41. Rotate the first connecting ring 31, which moves towards the first connector 2. The second connecting ring 33 enters the first connector 2 and is threadedly connected to it. The first connecting ring 31 and the second connector 4 are threadedly connected, which can quickly connect the brake tube 1 and the second connector 4 together. During the rotation of the first connecting ring 31, the wedge groove 312 contacts the wedge block 35, pushing the wedge block 35 to move inward towards the second connector 4, so that the locking block 34 enters the locking groove 32 and engages with it. This can limit the brake tube 1, improve its installation stability, and avoid the situation of loose connection. The double sealing of the first sealing gasket 6 and the second sealing gasket 7 can improve the sealing between the brake tube 1 and the second connector 4, improve the performance, and avoid oil leakage due to poor sealing.

[0035] Reference Figure 1 , Figure 2 and Figure 4 As shown, a protective structure 5 is provided at one end of the outer surface of the second connector 4. The protective structure 5 includes a fixing ring 51, a limiting spring 52, and a dustproof ring 53. The fixing ring 51 is installed at one end of the outer surface of the second connector 4. The limiting spring 52 is evenly installed at one end of the fixing ring 51. The dustproof ring 53 is installed at one end of the limiting spring 52. The limiting spring 52 is distributed in a ring at one end of the fixing ring 51. The limiting spring 52 and the dustproof ring 53 form a telescopic structure so that the dustproof ring 53 can contact the first connecting ring 31.

[0036] The limiting spring 52 moves the dustproof ring 53, causing it to contact the first connecting ring 31. The first connecting ring 31 and the dustproof ring 53 can protect the external thread 42 on the second connector 4, achieving the purpose of dust prevention and avoiding the situation where dust accumulates on the external thread 42 and causes the first connecting ring 31 to be unable to rotate.

[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A leak-proof connector for a brake pipe, comprising a brake pipe body (1); Its features are: A first connector (2) is installed on the brake tube body (1), and a second connector (4) is installed at one end of the brake tube body (1). A connecting structure (3) is provided on the second connector (4). The connecting structure (3) includes a first connecting ring (31) threadedly connected to the second connector (4), a second connecting ring (33) installed at one end of the first connecting ring (31), a wedge (35) evenly installed on the outer surface of the second connector (4), and a locking block (34) installed at the bottom end of the wedge (35). A locking groove (32) that cooperates with the locking block (34) is opened on the outer surface of the brake tube body (1). A limiting groove (313) is provided on the inner side of the first connecting ring (31), a wedge groove (312) is provided on the inner side of the first connecting ring (31) at one end of the limiting groove (313), and a second threaded groove (311) is provided on the inner side of the first connecting ring (31) at one end of the wedge groove (312). A protective structure (5) is provided at one end of the outer surface of the second connector (4).

2. The anti-leakage connector for brake pipes according to claim 1, characterized in that: The first connector (2) has a first threaded groove (21) on its inner side, and the second connector (4) has an external thread (42) on its outer surface.

3. A leak-proof connector for brake pipes according to claim 1, characterized in that: The diameter of the first connecting ring (31) is larger than the diameter of the second connecting ring (33), and the second connecting ring (33) and the first connecting head (2) form a threaded connection.

4. A leak-proof connector for brake pipes according to claim 1, characterized in that: The card blocks (34) are arranged in a ring on the inner side of the second connector (4), and the card blocks (34) and the card slots (32) form an engaging structure.

5. A leak-proof connector for brake pipes according to claim 1, characterized in that: The second connector (4) has a limiting ring (41) installed inside, and a second sealing gasket (7) is installed at one end of the limiting ring (41). A first sealing gasket (6) is installed between the first connector (2) and the second connector (4).

6. A leak-proof connector for brake pipes according to claim 1, characterized in that: The protective structure (5) includes a fixing ring (51), a limiting spring (52) and a dustproof ring (53). The fixing ring (51) is installed on one end of the outer surface of the second connector (4). The limiting spring (52) is evenly installed on one end of the fixing ring (51), and the dustproof ring (53) is installed on one end of the limiting spring (52).

7. A leak-proof connector for brake pipes according to claim 6, characterized in that: The limiting spring (52) is arranged in a ring at one end of the fixed ring (51), and the limiting spring (52) and the dustproof ring (53) form a telescopic structure.

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