A quick sealing joint for air brake system pipe

Abstract

The utility model discloses a kind of air brake system pipeline quick sealing joint, including telescopic pipe and support pipe, the surface of telescopic pipe is equipped with buffer spring, the surface of support pipe is equipped with mounting groove, the surface of support pipe is nested with convex ring, the convex ring is made of rubber thermoplastic;It is characterized in that, it further includes locking assembly, the locking assembly is set in the both ends of telescopic pipe for quick connection fixed external pipeline;Support pipe can be nested in the inside of pipeline first, then connect pipeline with locking assembly by support pipe, and in locking assembly, the surface of threaded sleeve is equipped with locking groove in array, after pipeline is connected with butt joint groove, by rotating the locking sleeve of the surface of threaded sleeve, make threaded sleeve along locking groove produce deformation, make pipeline tightly extrude on the surface of support pipe, this design increases the contact area between pipeline and sealing joint, make pipeline stress uniform when installing, improve the sealing property of sealing joint.

Description

Technical Field

[0001] This utility model relates to the field of air pipe connector technology, specifically a quick-sealing connector for air braking system pipelines. Background Technology

[0002] The quick-seal connector for air brake system lines is a connector specifically designed for air brake systems. Its main function is to quickly connect and seal air brake lines to ensure the normal operation of the system. The quick-seal connector for air brake system lines is widely used in commercial vehicle air brake systems to connect components such as EBS valves and nylon hoses, ensuring quick connection and disconnection of air brake lines.

[0003] Most existing quick-sealing joints for air brake systems utilize air pressure to expand the sealing ring or use claws to achieve connection. They rely on the strength of the pipeline itself to contact the inner wall of the sealing joint. After prolonged use, the inner wall of the pipeline is no longer supported and is prone to deformation or damage, leading to micro-leakage of gas and reducing the sealing performance of the joint. Furthermore, the existing sealing joints are fixed in position after connecting to the pipeline, which is not only inconvenient for installation and disassembly, but also causes continuous pulling between the sealing joint and the pipeline during vehicle operation, making them prone to detachment or damage, thus shortening the service life of the sealing joint.

[0004] Therefore, there is an urgent need for a quick-sealing connector for air brake system pipelines to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a quick-sealing connector for air brake system pipelines, addressing the problems mentioned in the background section. Existing quick-sealing connectors for air brake system pipelines mostly rely on air pressure to drive the expansion of the sealing ring or the gripping of teeth to achieve connection. They rely on the pipeline's own strength to contact the inner wall of the sealing connector. After prolonged use, the inner wall of the pipeline lacks support, making it prone to deformation or damage, leading to micro-leakage of gas and reducing the sealing performance of the connector. Furthermore, existing sealing connectors are fixed in position after connecting to the pipeline, which is inconvenient for installation and disassembly. During vehicle operation, vibrations cause continuous pulling between the sealing connector and the pipeline, leading to easy detachment or damage, thus shortening the service life of the sealing connector.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-sealing connector for a pneumatic braking system pipeline, comprising a telescopic pipe and a support pipe, wherein a buffer spring is provided on the surface of the telescopic pipe, an installation groove is provided on the surface of the support pipe, and a convex ring is nested on the surface of the support pipe, the convex ring being made of thermoplastic rubber; it also includes a locking assembly, which is disposed at both ends of the telescopic pipe for quick connection and fixation of external pipelines; and an adjusting assembly, which is disposed on the surface of the delivery pipe for adjusting the overall length of the sealing connector.

[0007] Furthermore, the locking assembly includes a fixing ring, and the side of the fixing ring is fixedly connected to one end of the telescopic tube. A threaded sleeve is welded to the other side of the fixing ring, and a locking sleeve is provided on the surface of the threaded sleeve, and the locking sleeve is threadedly connected to the threaded sleeve.

[0008] Furthermore, the inner side of the threaded sleeve is provided with a mating groove, and the support tube is movably connected to the mating groove. A sealing ring is provided in the mating groove, and the sealing ring is made of thermoplastic rubber.

[0009] Furthermore, a retaining ring is fixed to the inner side of the threaded sleeve, and locking grooves are arrayed on the surface of the threaded sleeve, with the locking grooves penetrating the threaded sleeve and the retaining ring respectively.

[0010] Furthermore, the adjustment assembly includes a fixed sleeve and an adjusting sleeve, with one end of the fixed sleeve and the adjusting sleeve respectively welded to a fixed ring, and the adjusting sleeve being movably connected to the fixed sleeve.

[0011] Furthermore, an adjusting block is fixed to the surface of the fixed sleeve, an adjusting groove is formed on the surface of the adjusting sleeve and the adjusting groove penetrates the adjusting sleeve, and the adjusting block is movably connected to the adjusting groove. An adjusting ring is provided on the surface of the adjusting sleeve and the adjusting ring is threadedly connected to the adjusting sleeve.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model discloses a quick-sealing connector for a pneumatic braking system pipeline. A locking assembly and a support pipe are provided at both ends of the telescopic pipe. The support pipe can be nested inside the pipeline first, and then the pipeline is connected to the locking assembly through the support pipe. In the locking assembly, locking grooves are arrayed on the surface of a threaded sleeve. When the pipeline is connected to the mating groove, rotating the locking sleeve on the surface of the threaded sleeve causes the threaded sleeve to deform along the locking grooves, tightly pressing the pipeline against the surface of the support pipe. This design increases the contact area between the pipeline and the sealing connector, ensuring uniform stress on the pipeline during installation and improving the sealing performance of the sealing connector.

[0013] 2. This utility model discloses a quick-sealing connector for a pneumatic braking system pipeline. An adjustment assembly is provided on the surface of the telescopic pipe. In the adjustment assembly, a fixed sleeve and an adjusting sleeve are fixedly connected to a locking assembly. By rotating the adjusting ring, the adjusting ring can move along the adjusting groove against the adjusting block on the surface of the fixed sleeve, allowing the adjusting sleeve to move and adjust on the surface of the fixed sleeve. This allows the overall length of the sealing connector to be adjusted, facilitating the installation and disassembly of the sealing connector. Furthermore, under the action of the buffer spring, the adjusting block can move and buffer in the adjusting groove, which helps to absorb the impact force generated by vibration during vehicle operation and extends the service life of the sealing connector. Attached Figure Description

[0014] Figure 1 This is an isometric view of the present invention; Figure 2 This is an overall sectional view of the present invention; Figure 3 This is an exploded view of the overall structure of this utility model; Figure 4 This is a schematic diagram of the internal structure of the present invention; Figure 5 This is a schematic diagram of the locking assembly of this utility model; Figure 6 This is a cross-sectional view of the locking assembly of this utility model; Figure 7 This is an exploded view of the locking assembly of this utility model; Figure 8 This is a schematic diagram of the structure of the adjustment component of this utility model; Figure 9 This is an exploded view of the structure of the adjustment component of this utility model.

[0015] In the diagram: 1. Locking assembly; 101. Retaining ring; 102. Locking sleeve; 103. Threaded sleeve; 104. Snap ring; 105. Connecting groove; 106. Sealing ring; 107. Locking groove; 2. Adjusting assembly; 201. Retaining sleeve; 202. Adjusting sleeve; 203. Adjusting ring; 204. Adjusting block; 205. Adjusting groove; 3. Support tube; 4. Telescopic tube; 5. Protruding ring; 6. Buffer spring; 7. Mounting groove. Detailed Implementation

[0016] 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.

[0017] Please see Figures 1-9 This utility model provides a quick-sealing connector for a pneumatic braking system pipeline, including a telescopic pipe 4 and a support pipe 3. The surface of the telescopic pipe 4 is provided with a buffer spring 6, and the surface of the support pipe 3 is provided with an installation groove 7. A convex ring 5 is nested on the surface of the support pipe 3. The convex ring 5 is made of rubber thermoplastic. It also includes a locking component 1, which is set at both ends of the telescopic pipe 4 for quick connection and fixation of external pipelines; and an adjusting component 2, which is set on the surface of the delivery pipe for adjusting the overall length of the sealing connector.

[0018] Specifically, when installing or disassembling the sealing connector, first open the locking components 1 at both ends of the telescopic tube 4 to facilitate the extraction of the connected pipeline. When the pipeline is relatively hard, adjust the adjusting components 2 on the surface of the telescopic tube 4 to make the telescopic tube 4 contract, so that the sealing connector can be easily connected to the pipeline. When connecting the pipeline, first put the connecting end of the support tube 3 on the surface of the support tube 3, and then send the support tube 3 and the pipeline into the locking components 1 together. Under the rotation of the locking sleeve 102, the threaded sleeve 103 will deform, and the retaining ring 104 on the inner side of the threaded sleeve 103 will squeeze the pipeline. Then, under the support of the convex ring 5, the pipeline can be tightly connected to the locking components 1, and the sealing ring 106 in the mating groove 105 further enhances the sealing performance of the sealing connector.

[0019] The locking assembly 1 includes a retaining ring 101, and the side of the retaining ring 101 is fixedly connected to one end of the telescopic tube 4. A threaded sleeve 103 is welded to the other side of the retaining ring 101. A locking sleeve 102 is provided on the surface of the threaded sleeve 103, and the locking sleeve 102 is threadedly connected to the threaded sleeve 103. A mating groove 105 is provided on the inner side of the threaded sleeve 103, and the support tube 3 is movably connected to the mating groove 105. A sealing ring 106 is provided in the mating groove 105. The sealing ring 106 is made of rubber thermoplastic. A retaining ring 104 is fixed on the inner side of the threaded sleeve 103. Locking grooves 107 are arrayed on the surface of the threaded sleeve 103, and the locking grooves 107 pass through the threaded sleeve 103 and the retaining ring 104 respectively.

[0020] Specifically, the support tube 3 can be nested inside the pipeline first, and then the pipeline is connected to the locking assembly 1 through the support tube 3. In the locking assembly 1, the surface of the threaded sleeve 103 is arrayed with locking grooves 107. When the pipeline is connected to the mating groove 105, by rotating the locking sleeve 102 on the surface of the threaded sleeve 103, the threaded sleeve 103 deforms along the locking groove 107, so that the pipeline is tightly squeezed on the surface of the support tube 3. This design increases the contact area between the pipeline and the sealing joint, makes the pipeline evenly stressed during installation, and improves the sealing performance of the sealing joint.

[0021] The adjusting assembly 2 includes a fixed sleeve 201 and an adjusting sleeve 202, one end of which is welded to a fixed ring 101, and the adjusting sleeve 202 is movably connected to the fixed sleeve 201. An adjusting block 204 is fixed on the surface of the fixed sleeve 201. An adjusting groove 205 is formed on the surface of the adjusting sleeve 202 and passes through the adjusting sleeve 202. The adjusting block 204 is movably connected to the adjusting groove 205. An adjusting ring 203 is formed on the surface of the adjusting sleeve 202 and is threadedly connected to the adjusting sleeve 202.

[0022] Specifically, in the adjusting assembly 2, the fixed sleeve 201 and the adjusting sleeve 202 are fixedly connected to the locking assembly 1. By rotating the adjusting ring 203, the adjusting ring 203 can move along the adjusting groove 205 against the adjusting block 204 on the surface of the fixed sleeve 201, allowing the adjusting sleeve 202 to move and adjust on the surface of the fixed sleeve 201. This allows the overall length of the sealing joint to be adjusted, facilitating the installation and disassembly of the sealing joint. Furthermore, under the action of the buffer spring 6, the adjusting block 204 can move and buffer in the adjusting groove 205, which helps to absorb the impact force generated by vibration during vehicle operation and extends the service life of the sealing joint.

[0023] Working principle: The support tube 3 can be nested inside the pipeline first, and then the pipeline is connected to the locking assembly 1 through the support tube 3. In the locking assembly 1, the surface of the threaded sleeve 103 is arrayed with locking grooves 107. When the pipeline is connected to the mating groove 105, by rotating the locking sleeve 102 on the surface of the threaded sleeve 103, the threaded sleeve 103 deforms along the locking groove 107, so that the pipeline is tightly pressed against the surface of the support tube 3. In the adjusting assembly 2, the fixed sleeve 201 and the adjusting sleeve 202 are respectively... Do not fix it to the locking assembly 1. By rotating the adjusting ring 203, the adjusting ring 203 can move along the adjusting groove 205 against the adjusting block 204 on the surface of the fixed sleeve 201, so that the adjusting sleeve 202 can move and adjust on the surface of the fixed sleeve 201. This allows the overall length of the sealing joint to be adjusted, which is convenient for the installation and disassembly of the sealing joint. Moreover, under the action of the buffer spring 6, the adjusting block 204 can move and buffer in the adjusting groove 205, which is convenient for absorbing the impact force generated by the vibration during vehicle driving.

[0024] When installing or disassembling the sealing connector, first open the locking components 1 at both ends of the telescopic tube 4 to facilitate the extraction of the connected pipeline. When the pipeline is relatively hard, adjust the adjusting components 2 on the surface of the telescopic tube 4 to retract the telescopic tube 4, so that the sealing connector can be easily connected to the pipeline. When connecting the pipeline, first put the connecting end of the support tube 3 on the surface of the support tube 3, and then send the support tube 3 and the pipeline into the locking components 1 together. Under the rotation of the locking sleeve 102, the threaded sleeve 103 will deform, and the retaining ring 104 on the inner side of the threaded sleeve 103 will squeeze the pipeline. Then, under the support of the convex ring 5, the pipeline can be tightly connected to the locking components 1, and the sealing ring 106 in the mating groove 105 further enhances the sealing performance of the sealing connector.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A quick-sealing connector for a pneumatic braking system pipeline, comprising a telescopic pipe (4) and a support pipe (3), wherein a buffer spring (6) is provided on the surface of the telescopic pipe (4), an installation groove (7) is provided on the surface of the support pipe (3), and a convex ring (5) is nested on the surface of the support pipe (3), wherein the convex ring (5) is made of rubber thermoplastic. Its features are, Also includes: Locking assembly (1), the locking assembly (1) is disposed at both ends of the telescopic tube (4) for quick connection and fixation of external pipelines; Adjustment component (2), which is disposed on the surface of the delivery pipe for adjusting the overall length of the sealing joint.

2. The quick-sealing connector for a pneumatic braking system pipeline according to claim 1, characterized in that: The locking assembly (1) includes a fixing ring (101), and the side of the fixing ring (101) is fixedly connected to one end of the telescopic tube (4). A threaded sleeve (103) is welded to the other side of the fixing ring (101). A locking sleeve (102) is provided on the surface of the threaded sleeve (103), and the locking sleeve (102) is threadedly connected to the threaded sleeve (103).

3. A quick-sealing connector for a pneumatic braking system pipeline according to claim 2, characterized in that: The inner side of the threaded sleeve (103) is provided with a mating groove (105), and the support tube (3) is movably connected to the mating groove (105). A sealing ring (106) is provided in the mating groove (105), and the sealing ring (106) is made of rubber thermoplastic.

4. A quick-sealing connector for a pneumatic braking system pipeline according to claim 3, characterized in that: A retaining ring (104) is fixed on the inner side of the threaded sleeve (103), and locking grooves (107) are arrayed on the surface of the threaded sleeve (103), and the locking grooves (107) pass through the threaded sleeve (103) and the retaining ring (104) respectively.

5. A quick-sealing connector for a pneumatic braking system pipeline according to claim 2, characterized in that: The adjustment assembly (2) includes a fixed sleeve (201) and an adjustment sleeve (202), and one end of the fixed sleeve (201) and the adjustment sleeve (202) are respectively welded to the fixed ring (101), and the adjustment sleeve (202) is movably connected to the fixed sleeve (201).

6. A quick-sealing connector for a pneumatic braking system pipeline according to claim 5, characterized in that: An adjusting block (204) is fixed on the surface of the fixed sleeve (201). An adjusting groove (205) is provided on the surface of the adjusting sleeve (202), and the adjusting groove (205) passes through the adjusting sleeve (202). The adjusting block (204) is movably connected to the adjusting groove (205). An adjusting ring (203) is provided on the surface of the adjusting sleeve (202), and the adjusting ring (203) is threadedly connected to the adjusting sleeve (202).

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