A fluid connector

By designing multiple sealing structures and multiple spring structures in the fluid connector, the problem of incomplete sealing of existing fluid connectors in high-pressure environments is solved, and the effect of non-leakage and smooth plug-and-removal process is achieved.

CN119755437APending Publication Date: 2025-04-04AVIC SHENYANG XINGHUA AREO ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202411964210.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

In the working environment where the pressure is too high, the existing fluid connectors are not completely sealed, resulting in liquid or gas leakage.

Method used

A fluid connector including a multiple sealing structure is designed, adopting a first multiple sealing structure and a second multiple sealing structure to provide sealing and waterproofing in the early and later stages of butt, and maintain a stable axial force through a multiple spring structure to ensure smoothness of the plugging and unplugging process.

Benefits of technology

It achieves the effect of not leaking the internal media of the connector in a high-voltage environment, the plug-in and unplugging process is smoother, and the coaxiality is maintained during the docking process.

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Abstract

The present application provides a fluid connector, which belongs to the technical field of electrical connectors. The connector includes a matching fluid socket and a fluid plug. The fluid socket includes a socket assembly, a socket housing, a first retaining spring for locking the socket assembly and the socket housing, and a first multiple sealing structure for sealing between the socket assembly and the socket housing. The first multiple sealing structure includes a first gasket, a first O-ring, and a second O-ring. The fluid connector provided by the present application is provided with a multiple sealing structure, so that the medium inside the connector does not leak during the connection and separation process; multiple spring structures are used in the socket assembly, and during the plugging process, the spring can maintain a stable axial force to make the plugging and unplugging process smoother; the protective sleeve device added between the movable plug and the top cover enables the fluid connector to have better coaxiality inside the product during the docking process.
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Description

Technical Field

[0001] The present application belongs to the technical field of electrical connectors, and specifically relates to a fluid connector. Background Art

[0002] Fluid connectors are used for the transmission of liquids or gases and are widely used in various military and civilian fluid cooling chassis, modules and other fields. In order to ensure good transmission of liquids, fluid connectors need to keep the fluid plug and the fluid socket sealed during the entire docking process. However, the sealing structure of the fluid connector in the prior art is a single sealing structure. In an environment with excessive pressure, this structure will result in the pressure being unable to be released and the sealing being incomplete.

[0003] Therefore, a fluid connector with better sealing effect needs to be provided. Summary of the invention

[0004] The purpose of the present application is to provide a plastic electrical connector to solve the problem of poor sealing of fluid connectors in the prior art.

[0005] In order to achieve the above-mentioned purpose, the present application provides the following technical solution, providing a fluid connector, the connector comprising a matching fluid socket and a fluid plug,

[0006] The fluid socket comprises a socket assembly, a socket housing, a first clamping spring for locking the socket assembly and the socket housing, and a first multiple sealing structure for sealing between the socket assembly and the socket housing.

[0007] The first multiple sealing structure includes a first gasket for buffering after docking, a first O-ring for sealing and waterproofing before the fluid channel is opened in the early stage of docking, and a second O-ring for waterproofing after the fluid channel is opened in the later stage of docking.

[0008] The fluid connector provided by the present invention also has the following characteristics: the socket assembly includes a socket front shell, a socket rear shell, a movable plug arranged in the socket front shell, a push rod arranged in the rear shell, a protective sleeve sleeved on the push rod, a first multiple spring structure sleeved on the outside of the protective sleeve, and a second multiple sealing structure for sealing.

[0009] The fluid connector provided by the present invention also has the following characteristics: the socket front housing and the socket rear housing are connected by threads and coated with anaerobic adhesive.

[0010] The fluid connector provided by the present invention also has the feature that the push rod is connected to the rear housing through threads.

[0011] The fluid connector provided by the present invention also has the following feature: the first multiple spring structure includes a first spring that acts as a pressure relief in the initial stage of docking and a second spring that acts as a support after docking.

[0012] The fluid connector provided by the present invention also has the following feature: the second multiple sealing structure includes a third O-ring arranged at the connection between the front housing of the socket and the rear housing of the socket, a fourth O-ring arranged between the front housing of the socket and the movable plug, and a fifth O-ring arranged between the movable plug and the push rod.

[0013] The fluid connector provided by the present invention also has the following characteristics: the fluid plug includes a plug assembly, a plug housing, a second retaining spring for locking the plug assembly and the plug housing, and a third multiple sealing structure for sealing between the plug assembly and the plug housing, and the third multiple sealing structure includes a second gasket, a sixth O-ring and a seventh O-ring.

[0014] The fluid connector provided by the present invention also has the following characteristics: the plug assembly includes a plug front shell, a plug rear shell, a plug seat arranged in the plug front shell, a plug fixed on the plug seat, a spring for providing axial force to the plug seat, and a fourth sealing structure for sealing.

[0015] The fluid connector provided by the present invention also has the following characteristics: the plug front shell and the plug rear shell are connected by threads and coated with anaerobic adhesive, and the fourth sealing structure includes an eighth O-ring arranged at the connection between the plug front shell and the plug rear shell and a ninth O-ring arranged between the plug front shell and the plug.

[0016] Beneficial Effects

[0017] The fluid connector provided in the present application is provided with multiple sealing structures to prevent leakage of the medium inside the connector during the connection and separation process; multiple spring structures are adopted in the socket assembly, and during the plugging and unplugging process, the spring can maintain a stable axial force to make the plugging and unplugging process smoother; the protective sleeve device added between the movable plug and the top cover enables the fluid connector to have better coaxiality inside the product during the docking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1A schematic diagram of the structure of the fluid socket provided in the embodiment of the present application;

[0020] Figure 2 A schematic diagram of the structure of a socket assembly provided in an embodiment of the present application;

[0021] Figure 3 This is a schematic diagram of the structure of the fluid plug provided in an embodiment of the present application;

[0022] Figure 4 This is a schematic diagram of the structure of the plug assembly provided in the embodiment of the present application.

[0023] Among them, 1. Fluid socket; 11: socket assembly; 111: socket front shell; 112: socket rear shell; 113: movable plug; 114: ejector rod; 115: protective cover; 116: first multiple spring structure; 1161: first spring; 1162: second spring; 117: second multiple sealing structure; 1171: third O-ring; 1172: fourth O-ring; 1173: fifth O-ring; 118: connection between the socket front shell and the socket rear shell; 12: socket shell; 13: first retaining spring; 14: first multiple sealing structure; 141: First gasket; 142: first O-ring; 143: second O-ring; 2: fluid plug; 21: plug assembly; 211: front plug housing; 212: rear plug housing; 213: plug seat; 214: plug; 215: spring; 216: fourth multiple sealing structure; 2161: eighth O-ring; 2162: ninth O-ring; 217: connection between the front plug housing and the rear plug housing; 22: plug housing; 23: second retaining spring; 24: third multiple sealing structure; 241: sixth O-ring; 242: seventh O-ring; 243: second gasket. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings and examples, but it should be noted that these implementation methods are not limitations of the present application, and equivalent changes or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these implementation methods are all within the scope of protection of the present application.

[0025] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the creation of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the creation of the present application.

[0026] In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of this application, unless otherwise specified, the meaning of "plurality" is two or more.

[0027] The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention of this application can be understood by specific circumstances.

[0028] like Figure 1-4 As shown, a fluid connector is provided, which includes a matching fluid socket 1 and a fluid plug 2, the fluid socket 1 includes a socket assembly 11, a socket housing 12, a first retaining spring 13 for locking the socket assembly 11 and the socket housing 12, and a first multiple sealing structure 14 for sealing between the socket assembly 11 and the socket housing 12, the first multiple sealing structure 14 includes a first gasket 141 for buffering after docking, a first O-ring 142 for sealing and waterproofing before the fluid channel is opened in the initial stage of docking, and a second O-ring 143 for waterproofing after the fluid channel is opened in the later stage of docking.

[0029] In the above embodiment, when the fluid socket 1 and the fluid plug 2 are docked for use, the push rod 114 in the fluid socket 1 pushes against the plug 214 in the fluid socket 2, and after the spring 215 is compressed, the plug 214 moves backward, and a fluid channel is formed, and liquid can be transmitted through the fluid channel. The first O-ring 142 and the second O-ring 143 have the same structure but different specifications.

[0030] In some embodiments, the socket assembly 11 includes a socket front housing 111, a socket rear housing 112, a movable plug 113 disposed in the socket front housing 111, a push rod 114 disposed in the rear housing 112, a protective sleeve 115 sleeved on the push rod 114, a first multiple spring structure 116 sleeved outside the protective sleeve 115, and a second multiple sealing structure 117 for sealing. The protective sleeve 115 is disposed between the movable plug 113 and the push rod 114, so that the fluid connector has better coaxiality during the docking process.

[0031] In some embodiments, the socket front housing 111 and the socket rear housing 112 are connected by threads and coated with anaerobic adhesive.

[0032] In some embodiments, the push rod 114 is connected to the socket rear housing 112 via threads.

[0033] In some embodiments, the first multiple spring structure 116 includes a first spring 1161 that acts as a pressure relief in the initial stage of docking and a second spring 1162 that acts as a support after docking.

[0034] In some embodiments, the second multiple sealing structure 117 includes a third O-ring 1171 disposed at the connection 118 between the socket front housing and the socket rear housing, a fourth O-ring 1172 disposed between the socket front housing 111 and the movable plug 113, and a fifth O-ring 1173 disposed between the movable plug 113 and the ejector rod 114. When the socket front housing 111 and the socket rear housing 112 are threadedly connected, the third O-ring 1171 is installed at the gap at the end of the thread to ensure the sealing of the product. The third O-ring 1171, the fourth O-ring 1172 and the fifth O-ring 1173 have the same structure and realize the waterproof function at different stages of docking.

[0035] In some embodiments, the fluid plug 2 includes a plug assembly 21, a plug housing 22, a second retaining spring 23 for locking the plug assembly 21 and the plug housing 22, and a third multiple sealing structure 24 for sealing between the plug assembly 21 and the plug housing 22, the third multiple sealing structure 24 including a second gasket 243, a sixth O-ring 241 and a seventh O-ring 242.

[0036] In some embodiments, the plug assembly 21 includes a plug front shell 211, a plug rear shell 212, a plug seat 213 arranged in the plug front shell 211, a plug 214 fixed on the plug seat 213, a spring 215 for providing axial force to the plug seat 213, and a fourth sealing structure 216 for sealing.

[0037] In some embodiments, the plug front housing 211 and the plug rear housing 212 are connected by threads and coated with anaerobic adhesive, and the fourth sealing structure 216 includes an eighth O-ring 2161 disposed at the connection 217 between the plug front housing and the plug rear housing and a ninth O-ring 2162 disposed between the plug front housing 211 and the plug 214. The eighth O-ring 2161 and the ninth O-ring 2162 have the same structure and realize waterproof function at different stages of docking.

[0038] The fluid connector provided in the above embodiment is suitable for various types of military and civilian cooling chassis and modules; the multiple sealing structures prevent leakage of liquid or gas inside the connector during the connection and separation process; multiple spring structures are used in the socket assembly, and during the plugging and unplugging process, the spring can continuously and stably provide axial force, making the plugging and unplugging process smoother; a protective cover structure is added between the movable plug and the top cover to ensure better internal coaxiality during the product docking process.

[0039] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present application, and these improvements and variations should also be regarded as the protection scope of the present application.

Claims

1. A fluid connector, characterized in that: The connector includes a matching fluid socket and a fluid plug, The fluid socket comprises a socket assembly, a socket housing, a first clamping spring for locking the socket assembly and the socket housing, and a first multiple sealing structure for sealing between the socket assembly and the socket housing. The first multiple sealing structure includes a first gasket for buffering after docking, a first O-ring for sealing and waterproofing before the fluid channel is opened in the early stage of docking, and a second O-ring for waterproofing after the fluid channel is opened in the later stage of docking.

2. The fluid connector according to claim 1, characterized in that: The socket assembly includes a socket front shell, a socket rear shell, a movable plug arranged in the socket front shell, a push rod arranged in the rear shell, a protective sleeve sleeved on the push rod, a first multiple spring structure sleeved on the outside of the protective sleeve, and a second multiple sealing structure for sealing.

3. The fluid connector according to claim 2, characterized in that: The socket front shell and the socket rear shell are connected by threads and coated with anaerobic glue.

4. The fluid connector according to claim 2, characterized in that: The push rod is connected to the rear housing via threads.

5. The fluid connector according to claim 2, characterized in that: The first multiple spring structure includes a first spring that plays a pressure relief role in the initial stage of docking and a second spring that plays a supporting role after docking.

6. The fluid connector according to any one of claims 2 to 5, characterized in that: The second multiple sealing structure includes a third O-ring disposed at the connection between the socket front housing and the socket rear housing, a fourth O-ring disposed between the socket front housing and the movable plug, and a fifth O-ring disposed between the movable plug and the ejector pin.

7. The fluid connector according to claim 1, characterized in that: The fluid plug includes a plug assembly, a plug housing, a second retaining spring for locking the plug assembly and the plug housing, and a third multiple sealing structure for sealing between the plug assembly and the plug housing, wherein the third multiple sealing structure includes a second gasket, a sixth O-ring, and a seventh O-ring.

8. The fluid connector according to claim 7, characterized in that: The plug assembly includes a plug front housing, a plug rear housing, a plug seat arranged in the plug front housing, a plug fixed on the plug seat, a spring for providing axial force to the plug seat and a fourth sealing structure for sealing.

9. The fluid connector according to claim 8, characterized in that: The plug front housing and the plug rear housing are connected by threads and coated with anaerobic adhesive. The fourth sealing structure includes an eighth O-ring arranged at the connection between the plug front housing and the plug rear housing and a ninth O-ring arranged between the plug front housing and the plug.