Air source pipe straight-through quick connector

By designing a quick-connect fitting for the air source pipe with a sliding sleeve and a limiting block, the problem of cumbersome installation caused by the need to tighten bolts with tools in the existing technology is solved, realizing quick connection and sealing of the air source pipe and improving connection efficiency.

CN224188240UActive Publication Date: 2026-05-01NINGBO HAISHU JIACHENG HARDWARE TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO HAISHU JIACHENG HARDWARE TOOLS CO LTD
Filing Date
2025-06-24
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The existing gas supply pipe connection method requires using tools to tighten the fixing bolts to secure the clamps, which makes the installation process cumbersome and the connection efficiency low.

Method used

The system employs a quick-connect air supply pipe and utilizes a sliding sleeve and limiting block design to achieve rapid connection between the first and second connecting pipes. The limiting action is achieved using the reaction force of a spring, and the design of the unblocking components ensures a tight seal.

Benefits of technology

It enables quick connection and sealing of the gas supply pipe, improves connection efficiency, avoids gas leakage, and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224188240U_ABST
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Abstract

The utility model relates to the technical field of air source pipe connection, in particular to an air source pipe straight-through quick connector which comprises a first connecting pipe. The device further comprises a connector and a dredging assembly. The outer wall of the first connecting pipe is fixedly connected with a connector used for being communicated with a pipeline, a first groove body is formed in the outer wall of the connector, and dredging assemblies used for being communicated with the pipeline are arranged in the first connecting pipe and the second connecting pipe. Limiting on the limiting block is relieved by pulling the sliding sleeve to move towards the left end, then the second connecting pipe is inserted into the inner wall of the connector to enable the limiting groove to be connected with the limiting block in a clamped mode, then the sliding sleeve is loosened, and the sliding sleeve moves towards the right end under the counter-acting force of the first spring to limit the limiting block. Therefore, the first connecting pipe and the second connecting pipe are quickly connected, and the problem that the connecting efficiency is low due to the fact that a fixing bolt needs to be twisted by a tool to fasten a hoop during installation and the installation process is relatively tedious is solved.
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Description

Gas supply pipe straight quick connector Technical Field

[0001] This utility model belongs to the field of gas source pipe connection technology, specifically relating to a gas source pipe straight-through quick connector. Background Technology

[0002] In modern industrial production, gas supply systems serve as the power source for various mechanical equipment and automated systems, widely used in manufacturing, packaging, automotive, chemical, and other fields. The connection method of gas supply pipes directly affects the stability, safety, and efficiency of the gas supply system. To improve the connection efficiency of gas supply pipes and ensure the sealing and stability of the gas supply system, quick-connect coupling technology has emerged. As a new type of connection method, the gas supply pipe straight-through quick-connect coupling features convenience, reliability, good sealing, and ease of operation.

[0003] In existing technologies, gas supply pipes are generally fixed to the sleeve with clamps to connect the pipeline. In order to prevent gas leakage, tools are needed to tighten the fixing bolts to secure the clamps during installation. The installation process is relatively cumbersome, which leads to slow connection efficiency. Summary of the Invention

[0004] To overcome the problem that existing gas supply pipe connection devices require tools to tighten the clamps with fixing bolts during installation to prevent gas leakage, which is relatively cumbersome and leads to slow connection efficiency, a gas supply pipe straight-through quick connector is proposed.

[0005] The technical solution of this utility model is as follows: a gas source pipe straight-through quick connector, including a first connecting pipe; it also includes a connector and a dredging component; a connector for connecting the pipe is fixedly connected to the outer wall of the first connecting pipe, a first groove is opened on the outer wall of the connector, a fixing plate is fixedly connected to the inner wall of the first groove, a sliding sleeve is slidably arranged on the outer wall of the connector, a second groove is opened on the inner wall of the sliding sleeve, a first spring is fixedly connected to the inner wall of the second groove, two third grooves are opened through the outer wall of the connector, a limit block is slidably arranged on the inner wall of the third groove, a second connecting pipe is arranged on the right side of the connector, a limit groove is fixedly connected to the outer wall of the second connecting pipe, and a dredging component for connecting the pipe is arranged inside the first connecting pipe and the second connecting pipe.

[0006] Preferably, the outer wall of the limiting block is arc-shaped, and the corners of the limiting groove are arc-shaped, so that the limiting block and the limiting groove are compatible.

[0007] Preferably, the unblocking component includes a fixing ring, an unblocking block, a second spring, an air inlet, a sealing block, a baffle, and a fixing post; the fixing ring is fixedly connected to the inner wall of the second connecting pipe, and the unblocking block is slidably disposed on the inner wall of the second connecting pipe.

[0008] Preferably, a second spring is fixed to the right end of the unblocking block, and the other end of the second spring is fixed to the left end of the fixing ring. The unblocking block is frustum-shaped, and an air supply hole is opened through the left end of the unblocking block. A sealing block is fixed to the left end of the unblocking block.

[0009] Preferably, a baffle is fixedly connected to the edge of the inner wall of the second connecting pipe, the inner wall surface of the baffle is in contact with the outer wall surface of the sealing block, and a fixing post is fixedly connected to the left end of the sealing block.

[0010] Preferably, a threaded plate is fixedly connected to the outer side of the first connecting pipe and the second connecting pipe, an air pipe is slidably arranged on the inner wall of the threaded plate, and a threaded sleeve is threadedly installed on the outer wall of the threaded plate.

[0011] Preferably, the first and second connecting pipes are made of stainless steel, and the threaded sleeve is made of engineering plastic.

[0012] The beneficial effects of this utility model are as follows: By pulling the sliding sleeve, the sliding sleeve compresses the first spring, causing the sliding sleeve to move to the left end, thereby releasing the limiting block. Then, the second connecting pipe is inserted into the inner wall of the connector to make the limiting groove engage with the limiting block. After that, the sliding sleeve is released, and under the reaction force of the first spring, the sliding sleeve moves to the right end to limit the limiting block. This achieves a quick connection between the first and second connecting pipes, solving the problem that during installation, tools are needed to tighten the fixing bolts to secure the clamp, which is relatively cumbersome and leads to slow connection efficiency. Attached Figure Description

[0013] Figure 1 shows a three-dimensional structural schematic diagram of this utility model;

[0014] Figure 2 shows a cross-sectional three-dimensional structural diagram of the connector of this utility model;

[0015] Figure 3 shows a cross-sectional three-dimensional structural diagram of the unblocking component of this utility model;

[0016] Figure 4 shows a three-dimensional structural diagram of the limiting block of this utility model;

[0017] Figure 5 shows a three-dimensional structural diagram of the threaded sleeve of this utility model.

[0018] The markings in the attached diagram are as follows: 1. First connecting pipe; 101. Connector; 102. First groove; 103. Fixing plate; 104. Sliding sleeve; 105. Second groove; 106. First spring; 107. Third groove; 108. Limiting block; 109. Limiting groove; 2. Second connecting pipe; 201. Fixing ring; 202. Unblocking block; 203. Second spring; 204. Air inlet; 205. Sealing block; 206. Baffle; 207. Fixing post; 3. Threaded plate; 4. Air pipe; 5. Threaded sleeve. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Please refer to Figures 1-5. This utility model provides an embodiment: a quick-connect gas source pipe connector, including a first connecting pipe 1; it also includes a connector 101 and a dredging component; the outer wall of the first connecting pipe 1 is fixedly connected to the connector 101 for connecting the pipe, the outer wall of the connector 101 has a first groove 102, the inner wall of the first groove 102 is fixedly connected to a fixing plate 103, the outer wall of the connector 101 is slidably provided with a sliding sleeve 104, the inner wall of the sliding sleeve 104 has a second groove 105, the inner wall of the second groove 105 is fixedly connected to a first spring 106, the outer wall of the connector 101 has two through-holes of a third groove 107, the inner wall of the third groove 107 is slidably provided with a limit block 108, the right side of the connector 101 is provided with a second connecting pipe 2, the outer wall of the second connecting pipe 2 is fixedly connected to a limit groove 109, and the interior of the first connecting pipe 1 and the second connecting pipe 2... A dredging component for connecting pipes is provided. The outer wall of the limiting block 108 is arc-shaped, and the corners of the limiting groove 109 are also arc-shaped. The limiting block 108 and the limiting groove 109 are adapted to each other. By pulling the sliding sleeve 104, the sliding sleeve 104 is compressed to the first spring 106, causing the sliding sleeve 104 to move to the left end, thereby releasing the limiting block 108. Then, the second connecting pipe 2 is inserted into the inner wall of the connector 101, so that the limiting groove 109 and the limiting block 108 are engaged. After that, the sliding sleeve 104 is released, and under the reaction force of the first spring 106, the sliding sleeve 104 moves to the right end to limit the limiting block 108. This achieves a quick connection between the first connecting pipe 1 and the second connecting pipe 2, solving the problem that during installation, tools are needed to twist the fixing bolts to tighten the clamps, which is relatively cumbersome and leads to slow connection efficiency.

[0021] Please refer to Figures 3 and 4. In this embodiment, the unblocking assembly includes a fixing ring 201, an unblocking block 202, a second spring 203, an air inlet 204, a sealing block 205, a baffle 206, and a fixing post 207. The fixing ring 201 is fixedly connected to the inner wall of the second connecting pipe 2, and the unblocking block 202 is slidably disposed on the inner wall of the second connecting pipe 2. The second spring 203 is fixedly connected to the right end of the unblocking block 202, and the other end of the second spring 203 is fixedly connected to the left end of the fixing ring 201. The unblocking block 202 is frustum-shaped, and an air inlet 204 is provided through the left end of the unblocking block 202. The sealing block 205 is fixedly connected to the left end of the unblocking block 202. A baffle 206 is fixedly connected to the edge of the inner wall of the second connecting pipe 2, and the inner wall surface of the baffle 206 is flush with the inner wall surface of the unblocking block 202. The outer wall surfaces of the sealing block 205 are in contact with each other, and a fixing post 207 is fixedly connected to the left end of the sealing block 205. By inserting the second connecting pipe 2 into the inner wall of the connector 101, the two fixing posts 207 will come into contact with each other and push the unblocking block 202 to move outward. At this time, the sealing block 205 will move away from the baffle 206 and release the sealing state. Air will flow through the air outlet 204 between the first connecting pipe 1 and the second connecting pipe 2, so that the first connecting pipe 1 and the second connecting pipe 2 are in a connected state. When the second connecting pipe 2 is pulled out, the unblocking block 202 will move to the left end under the reaction force of the second spring 203, so that the sealing block 205 is in contact with the baffle 206 to achieve a seal and prevent air leakage.

[0022] Please refer to Figures 1 and 5. In this embodiment, a threaded plate 3 is fixedly connected to the outer side of the first connecting pipe 1 and the second connecting pipe 2. An air pipe 4 is slidably arranged on the inner wall of the threaded plate 3. A threaded sleeve 5 is threadedly installed on the outer wall of the threaded plate 3. The first connecting pipe 1 and the second connecting pipe 2 are made of stainless steel, and the threaded sleeve 5 is made of engineering plastic. The air pipe 4 is fixed by the threaded sleeve 5 to prevent the air pipe 4 from falling off. The stainless steel first connecting pipe 1 and the second connecting pipe 2 can improve the oxidation resistance of the equipment.

[0023] In use, firstly, the air tube 4 is inserted into the inner wall of the first connecting tube 1 and the threaded sleeve 5 is rotated to retract the threaded plate 3 to fix the air tube 4. Then, the sliding sleeve 104 is pulled to compress the first spring 106, causing the sliding sleeve 104 to move to the left end, thereby releasing the limitation on the limiting block 108. Then, the second connecting tube 2 is inserted into the inner wall of the connector 101 to make the limiting groove 109 engage with the limiting block 108. Then, the sliding sleeve 104 is released, and under the reaction force of the first spring 106, the sliding sleeve 104 moves to the right end to limit the limiting block 108, thereby achieving a quick connection between the first connecting tube 1 and the second connecting tube 2.

[0024] During the process of inserting the second connecting pipe 2 into the inner wall of the connector 101, the two fixed posts 207 will come into contact with each other and push the unblocking block 202 to move outward. At this time, the sealing block 205 will move away from the baffle 206 and release the sealing state. Air will flow through the air outlet 204 between the first connecting pipe 1 and the second connecting pipe 2, so that the first connecting pipe 1 and the second connecting pipe 2 are in a connected state. When the second connecting pipe 2 is pulled out, the unblocking block 202 will move to the left under the reaction of the second spring 203, so that the sealing block 205 fits against the baffle 206 to achieve a seal and prevent air leakage.

[0025] Through the above steps, by pulling the sliding sleeve 104, the sliding sleeve 104 is compressed to the first spring 106, causing the sliding sleeve 104 to move to the left end, thereby releasing the limit block 108. Then, the second connecting pipe 2 is inserted into the inner wall of the connector 101, so that the limiting groove 109 is engaged with the limit block 108. After that, the sliding sleeve 104 is released, and under the reaction force of the first spring 106, the sliding sleeve 104 moves to the right end to limit the limit block 108. This achieves a quick connection between the first connecting pipe 1 and the second connecting pipe 2, solving the problem that during installation, tools are needed to twist the fixing bolts to tighten the clamps, making the installation process relatively cumbersome and resulting in slow connection efficiency.

Claims

1. A gas source pipe through quick connector, comprising a first connecting pipe (1); characterized in that: It also includes a connector (101) and a dredging component; the outer wall of the first connecting pipe (1) is fixedly connected to a connector (101) for connecting the pipe, the outer wall of the connector (101) is provided with a first groove (102), the inner wall of the first groove (102) is fixedly connected to a fixing plate (103), the outer wall of the connector (101) is slidably provided with a sliding sleeve (104), the inner wall of the sliding sleeve (104) is provided with a second groove (105), the inner wall of the second groove (105) is fixedly connected to a first spring (106), the outer wall of the connector (101) is provided with two third grooves (107), the inner wall of the third groove (107) is slidably provided with a limit block (108), the right side of the connector (101) is provided with a second connecting pipe (2), the outer wall of the second connecting pipe (2) is fixedly connected with a limit groove (109), and the first connecting pipe (1) and the second connecting pipe (2) are provided with a dredging component for connecting the pipe.

2. The gas source tube-through quick connector of claim 1, wherein: The outer wall of the limiting block (108) is arc-shaped, and the corners of the limiting groove (109) are arc-shaped. The limiting block (108) and the limiting groove (109) are compatible.

3. The gas source pipe straight-through quick connector according to claim 1, characterized in that: The unblocking assembly includes a fixing ring (201), an unblocking block (202), a second spring (203), an air supply hole (204), a sealing block (205), a baffle (206), and a fixing post (207); the fixing ring (201) is fixedly connected to the inner wall of the second connecting pipe (2), and the unblocking block (202) is slidably arranged on the inner wall of the second connecting pipe (2).

4. The gas source tube-through quick coupling of claim 3, wherein: The right end of the unblocking block (202) is fixed with a second spring (203), and the other end of the second spring (203) is fixed to the left end of the fixing ring (201). The unblocking block (202) is frustum shaped. An air supply hole (204) is opened through the left end of the unblocking block (202), and a sealing block (205) is fixed to the left end of the unblocking block (202).

5. The gas source tube-through quick coupling of claim 4, wherein: A baffle (206) is fixedly connected to the inner edge of the second connecting pipe (2). The inner wall surface of the baffle (206) is in contact with the outer wall surface of the sealing block (205). A fixing post (207) is fixedly connected to the left end of the sealing block (205).

6. The gas source pipe straight-through quick connector according to claim 1, characterized in that: A threaded plate (3) is fixedly connected to the outside of the first connecting pipe (1) and the second connecting pipe (2). An air pipe (4) is slidably provided on the inner wall of the threaded plate (3). A threaded sleeve (5) is threadedly installed on the outer wall of the threaded plate (3).

7. The gas source pipe straight-through quick connector according to claim 6, characterized in that: The first connecting pipe (1) and the second connecting pipe (2) are made of stainless steel, and the threaded sleeve (5) is made of engineering plastic.