A high-pressure sealing quick-connect device

By designing a high-pressure sealing quick-connect device, the problems of cumbersome connection operations and poor sealing performance of high-pressure fluid pipelines are solved, realizing quick insertion and removal and multiple seals, ensuring stable operation under high-pressure environments.

CN122129603APending Publication Date: 2026-06-02BEIJING BEIJI IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING BEIJI IND CO LTD
Filing Date
2025-06-29
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing high-pressure fluid pipeline connection methods are cumbersome to operate, making it difficult to meet the needs of rapid connection. Furthermore, their sealing performance is poor under high-pressure environments, posing a risk of leakage and affecting the stable operation and safety of the system.

Method used

A high-pressure sealing quick-connect device was designed, including a plug component and a socket component. It adopts a multi-seal structure and an unlocking mechanism to achieve quick insertion and removal and multiple seals, ensuring sealing performance under high-pressure environments.

Benefits of technology

It enables quick insertion and removal operations, improves work efficiency, ensures sealing performance under high pressure, reduces leakage risk, and is suitable for applications involving a variety of high-pressure fluid media.

✦ Generated by Eureka AI based on patent content.

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Abstract

A high-pressure sealing quick-connect device belongs to the field of fluid transmission connection technology, specifically relating to a device used in high-pressure technology. High-pressure fluid pipeline connections typically employ threaded connections, flange connections, etc. Existing quick-connect devices have poor sealing performance under high-pressure environments, easily leading to fluid leakage and affecting the normal operation of the system. This device enables rapid insertion and removal, significantly shortening connection and disassembly time and significantly improving work efficiency. It is particularly suitable for work scenarios requiring frequent pipeline connection and disconnection, and can be widely applied in high-pressure systems of various industries, including those containing gases and liquids.
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Description

Technical Field

[0001] This invention belongs to the field of fluid transmission connection technology, specifically relating to a device for achieving rapid plug-in and plug-out connections under high pressure environments while ensuring sealing performance. It is applicable to rapid connection and disconnection scenarios of high-pressure fluid pipelines in fields such as military equipment, petrochemicals, aerospace, hydraulic systems, and new energy. Background Technology

[0002] In existing technologies, high-pressure fluid pipeline connections typically employ threaded connections and flange connections. Threaded connections rely on multiple rotations of the threads for tightening, which is cumbersome, time-consuming to connect and disconnect, and prone to loosening under high pressure, leading to delayed sealing and leakage risks. Flange connections, on the other hand, are complex in structure, have numerous components, require significant installation space, and are costly, making them unsuitable for rapid connection needs. Furthermore, some existing quick-connect devices exhibit poor sealing performance under high pressure, easily leading to fluid leakage, affecting system operation, and potentially causing safety accidents. Therefore, there is an urgent need for a simple-to-operate, reliable high-pressure sealing quick-connect device to address the shortcomings of existing technologies. Summary of the Invention

[0003] The high-pressure sealing quick-connect device of the present invention mainly includes a plug component and a socket component. The socket component is provided with a sleeve, a retaining ring, a steel ball, a spring, a locking pin, and a connector body. The plug component is provided with a connector and a rubber sealing ring. During connection, first align the marked part of the sleeve on the socket component with the marked part of the connector body, then push the sleeve downwards. During this process, the spring is compressed, and the steel ball is in a movable state. Then, insert the plug component into it and release the sleeve on the socket component to achieve quick positioning and connection. At the same time, the structure of this quick-connect device is superior to the structural sealing of commercially available devices. The O-ring seal located on the socket component is moved to the front end of the plug component. Ordinary plug components have two sealing rings, while the plug component of the present invention has three structural sealing rings. This makes the sealing effect more stable and the sealing components easier to replace, forming multiple seals to ensure sealing performance under high pressure. In addition, the device is also provided with an unlocking mechanism. By operating the unlocking mechanism, the marked sleeve is rotated so that it is no longer aligned with the mark on the connector body, thereby realizing the locking function of the quick-connect device. Align the marked part of the sleeve on the socket component with the marked part of the connector body, then push the sleeve downwards and pull out the plug component to separate the plug and socket.

[0004] Effects of the invention:

[0005] 1. Convenient and efficient operation: Compared with traditional connection methods, this device can quickly plug and unplug, greatly shortening the connection and disassembly time and significantly improving work efficiency. It is especially suitable for work scenarios that require frequent pipeline connection and disconnection.

[0006] 2. Excellent sealing performance: The multi-layer sealing structure design can effectively prevent fluid leakage under high pressure, ensure stable system operation, and reduce safety hazards and economic losses caused by leakage.

[0007] 3. Compact and reliable structure: The overall structure is simple and compact, occupies little space, and is easy to install. The fit between the pin and the slot makes the connection firm and not easy to loosen, which improves the reliability and service life of the device.

[0008] 4. Wide range of applications: It is suitable for a variety of high-pressure fluid media, such as gas and liquid, and can be widely used in high-pressure systems in different industries. It has good versatility and market prospects. Attached Figure Description

[0009] Figure 1 This is a socket component for a high-pressure sealed quick-connect device;

[0010] Figure 2 This is a plug component for a high-pressure sealed quick-connect device;

[0011] Figure 3 This is an assembly drawing of a high-pressure sealing quick-connect device.

[0012] 1. Sleeve 2. Snap ring 3. Steel ball 4. Spring 5. Anti-slip device 6. Connector 7. Sealing ring

[0013] 8. Plug assembly 9. Socket assembly Detailed Implementation

[0014] As shown in the figure, during connection, align the marked part on the socket component with the marked part on the connector body, then push the sleeve downwards. During this process, the spring is compressed, and the steel ball is in a moving state. Then, insert the plug component and release the sleeve on the socket component to achieve quick positioning and connection. At the same time, the structure of this quick-connect device is superior to the structural sealing of commercially available devices. The O-ring seal located on the socket component is moved to the front end of the plug component. Ordinary plug components have two sealing rings, while the plug component structure of this invention has three sealing rings. This makes the sealing effect more stable and the sealing components easier to replace, forming multiple seals to ensure sealing performance under high pressure.

[0015] The device is also equipped with an unlocking mechanism. By operating the unlocking mechanism, the marked sleeve is rotated so that it is no longer aligned with the mark on the connector body, thereby realizing the locking function of the quick-connect device. The marked part of the part on the socket component is aligned with the marked part on the connector body. Then, the sleeve is pushed down and the plug component is pulled out, thus separating the plug from the socket.

Claims

1. A high-pressure sealing quick-connect device, characterized in that: It includes a plug component and a socket component; the socket component has a sleeve, a retaining ring, a steel ball, a spring, a push pin, and a connector body; the plug component has a connector and a rubber sealing ring; when connecting, first align the marked part of the sleeve on the socket component with the marked part of the connector body, then push the sleeve down. During the process, the spring is compressed and the steel ball is in a movable state. Insert the plug component into it, and release the sleeve on the socket component to achieve quick positioning and connection.

2. The high-pressure sealing quick-connect device according to claim 1, characterized in that: The O-rings located on the socket component are moved to the front end of the plug component. The ordinary plug component has two O-rings, while the plug component structure has three O-rings, forming a multi-layer seal.

3. The high-pressure sealing quick-connect device according to claim 1, characterized in that: An unlocking mechanism is provided. By operating the unlocking mechanism, the marked sleeve is rotated so that it is no longer aligned with the mark on the connector body, thereby realizing the locking function of the quick-connect device. When the marked part on the socket component is aligned with the marked part on the connector body, the sleeve is pushed down to pull out the plug component, thereby separating the plug from the socket.