A high protection grade underwater special connector

CN224733168UActive Publication Date: 2026-09-08SHENZHEN LIANJIE TECH CO LTD
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Patent Information

Application Number
CN202522234107.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-09-08
Estimated Expiration
2035-10-22

AI Technical Summary

Technical Problem

[0003]目前现有水下连接器普遍存在密封性能不足的问题

Benefits of technology

本实用新型中,通过设置双重密封结构,利用固定框与压框一挤压橡胶材质的密封垫一形成第一道密封防线,压框二与凹槽挤压橡胶材质的密封垫二形成第二道密封屏障,借助橡胶的弹性形变填补间隙,大幅提升了水密性,有效避免了海水渗入造成的电路短路和信号中断,同时,通过防脱机构中螺纹杆、C型压板、导向杆等部件的配合,转动转把即可使C型压板对插接头形成牢固压紧力,稳定锁定插接座与插接头,解决了现有锁紧结构固定力不足的问题,防止在水流冲击、设备振动等外力作用下出现松动或脱落,减少了设备停机和连接器损坏的情况,降低了维修成本和作业中断时间,显著提升了连接器在水下环境中的稳定性和可靠性。

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Abstract

The utility model provides a high protection level underwater special connector relates to underwater connector technical field, including the plug -in seat and the plug -in head, the outside fixed mounting fixed frame of plug -in head. The utility model discloses through setting up double -sealed structure, utilizes fixed frame and pressure frame one extrusion rubber material quality's sealing pad one forms first sealed defense line, and pressure frame two and recess extrusion rubber material quality's sealing pad two form second sealed barrier, and the clearance is filled up with the help of the elastic deformation of rubber, and the water -tightness is greatly promoted, and the circuit short circuit and signal interruption caused by the seawater seepage are effectively avoided, and simultaneously, through the cooperation of threaded rod, C type pressing plate, guide rod and other components in anti -drop mechanism, the C type pressing plate can form firm pressure force to the plug -in head by rotating the handle, and the plug -in seat and the plug -in head are stably locked, solve the problem of the insufficient fixed force of existing locking structure, prevent loosening or falling under the action of water flow impact, equipment vibration and other external forces.
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Description

Technical Field

[0001] This utility model relates to the field of underwater connector technology, and in particular to a high-protection-level underwater-specific connector. Background Technology

[0002] In fields such as marine engineering, underwater exploration, and deep-sea operations, underwater-specific connectors are key components for power and signal transmission, and their performance directly determines the stability and safety of the entire equipment system.

[0003] Currently, most underwater connectors suffer from insufficient sealing performance. Traditional connectors often employ a single sealing structure, which, during long-term underwater operation or in high-pressure environments, is prone to seawater infiltration due to seal aging and assembly gaps. This can cause internal circuit short circuits, signal transmission interruptions, and other malfunctions. Furthermore, underwater equipment is frequently subjected to external forces such as water flow impact and vibration during operation, and the locking structures of existing connectors often fail to provide sufficient fixing force, leading to loosening or even detachment. Once detachment occurs, it not only causes equipment downtime but also accelerates damage due to the connector's exposure to the underwater environment, increasing maintenance costs and operational downtime. Therefore, improvements are necessary. Utility Model Content

[0004] The purpose of this invention is to solve the problems mentioned in the background art and to propose a high-protection-level underwater connector.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a high-protection-level underwater connector, comprising a socket, a connector, a fixing frame, a first sealing gasket, a groove, a second sealing gasket, a first pressure frame, a second pressure frame, and an anti-detachment mechanism. The fixing frame is fixedly installed on the outside of the connector, the first sealing gasket is fixedly installed on the side of the fixing frame near the socket, the groove is formed on the side of the connector near the socket, the second sealing gasket is slidably connected inside the groove, the first pressure frame is fixedly installed on the outside of the connector, the second pressure frame is fixedly installed on the side of the connector near the connector, and the anti-detachment mechanism is installed on the top of the connector. The anti-detachment mechanism includes a fixed plate, a threaded rod, a C-shaped pressure plate, a guide rod, a limiting block, and a throttle. The threaded rod is threadedly connected to the inside of the fixed plate. The C-shaped pressure plate is rotatably connected to one end of the threaded rod. The guide rod is symmetrically fixedly installed on the side of the C-shaped pressure plate near the threaded rod. The limiting block is fixedly installed on the end of the guide rod away from the C-shaped pressure plate. The throttle is fixedly installed on the end of the threaded rod away from the C-shaped pressure plate.

[0006] Compared with the prior art, the advantages and positive effects of this utility model are as follows: In this invention, a double-sealing structure is used. The first sealing barrier is formed by the compression of a rubber sealing gasket by the fixed frame and the pressure frame, while the second sealing barrier is formed by the compression of a rubber sealing gasket by the groove. The elastic deformation of the rubber fills the gaps, significantly improving water tightness and effectively preventing short circuits and signal interruptions caused by seawater infiltration. At the same time, through the cooperation of components such as the threaded rod, C-shaped pressure plate, and guide rod in the anti-detachment mechanism, rotating the handle can make the C-shaped pressure plate form a firm clamping force on the connector, stably locking the connector and the socket. This solves the problem of insufficient fixing force in existing locking structures, preventing loosening or detachment under the action of external forces such as water flow impact and equipment vibration. This reduces equipment downtime and connector damage, lowers maintenance costs and operation interruption time, and significantly improves the stability and reliability of the connector in the underwater environment. Attached Figure Description

[0007] Figure 1 This utility model presents an overall structural schematic diagram of a high-protection-level underwater connector. Figure 2 This utility model provides a partial exploded view of the structure of a high-protection-level underwater connector. Figure 3 This utility model provides an exploded side view of the structure of a high-protection underwater connector. Figure 4 This utility model presents a schematic diagram of an anti-detachment mechanism for a high-protection-level underwater connector.

[0008] Legend: 1. Socket; 2. Connector; 3. Fixing frame; 4. Sealing gasket one; 5. Groove; 6. Sealing gasket two; 7. Pressure frame one; 8. Pressure frame two; 9. Anti-detachment mechanism; 901. Fixing plate; 902. Threaded rod; 903. C-shaped pressure plate; 904. Guide rod; 905. Limiting block; 906. Thruster. Detailed Implementation

[0009] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0010] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0011] Please see Figures 1-4This utility model provides a technical solution: a high-protection-level underwater connector, including a socket 1, a connector 2, a fixing frame 3, a first sealing gasket 4, a groove 5, a second sealing gasket 6, a first pressure frame 7, a second pressure frame 8, and an anti-detachment mechanism 9. The fixing frame 3 is fixedly installed on the outside of the connector 2, the first sealing gasket 4 is fixedly installed on the side of the fixing frame 3 near the socket 1, the groove 5 is opened on the side of the connector 2 near the socket 1, the second sealing gasket 6 is slidably connected inside the groove 5, the first pressure frame 7 is fixedly installed on the outside of the connector 1, the second pressure frame 8 is fixedly installed on the side of the connector 1 near the connector 2, and the anti-detachment mechanism 9 is installed on the top of the connector 1. The anti-detachment mechanism 9 includes a fixed plate 901, a threaded rod 902, a C-shaped pressure plate 903, a guide rod 904, a limiting block 905, and a throttle 906. The threaded rod 902 is threadedly connected to the inside of the fixed plate 901. The C-shaped pressure plate 903 is rotatably connected to one end of the threaded rod 902. The guide rod 904 is symmetrically fixedly installed on the side of the C-shaped pressure plate 903 near the threaded rod 902. The limiting block 905 is fixedly installed on the end of the guide rod 904 away from the C-shaped pressure plate 903. The throttle 906 is fixedly installed on the end of the threaded rod 902 away from the C-shaped pressure plate 903.

[0012] By setting up a double sealing structure, the first sealing barrier is formed by the compression of the rubber sealing gasket 4 by the fixed frame 3 and the pressure frame 7, and the second sealing barrier is formed by the compression of the rubber sealing gasket 6 by the pressure frame 8 and the groove 5. The elastic deformation of the rubber fills the gap, which greatly improves the water tightness and effectively avoids short circuits and signal interruptions caused by seawater infiltration. At the same time, through the cooperation of the threaded rod 902, C-shaped pressure plate 903, guide rod 904 and other components in the anti-detachment mechanism 9, the C-shaped pressure plate 903 can form a firm clamping force on the plug 2 by rotating the handle 906, which stably locks the plug seat 1 and the plug 2. This solves the problem of insufficient fixing force of the existing locking structure, prevents loosening or falling off under the action of external forces such as water flow impact and equipment vibration, reduces equipment downtime and connector damage, reduces maintenance costs and operation interruption time, and significantly improves the stability and reliability of the connector in the underwater environment.

[0013] like Figure 2 As shown, the socket 1 and the connector 2 are slidably connected. This sliding connection allows the socket 1 and the connector 2 to connect more smoothly, reducing obstruction and wear during connection, and facilitating quick and accurate connection.

[0014] like Figure 2-3As shown, the pressure frame 7 is slidably connected to the connector 2, and the pressure frame 8 is slidably connected to the groove 5. The sliding connection between the pressure frame 7 and the connector 2 ensures that when the connector 1 and the connector 2 are mated, the pressure frame 7 can smoothly contact and press against the sealing gasket 4 on the fixed frame 3, ensuring the effective formation of the first sealing barrier. The sliding connection between the pressure frame 8 and the groove 5 allows the pressure frame 8 to slide smoothly into the groove 5 and contact and press against the sealing gasket 6, ensuring the reliable establishment of the second sealing barrier and further improving the effectiveness of the sealing structure.

[0015] like Figure 1 and Figure 4 As shown, the fixing plate 901 is located on the top of the plug-in seat 1. The fixing plate 901 is fixedly connected to the plug-in seat 1. The fixing plate 901 is fixed on the top of the plug-in seat 1, providing a stable support base for the threaded rod 902 in the anti-detachment mechanism 9, ensuring that the threaded rod 902 will not shake or shift during rotation, thereby ensuring that the C-shaped pressure plate 903 can accurately apply pressure to the plug-in 2, enhancing the stability and reliability of the anti-detachment mechanism 9.

[0016] like Figure 4 As shown, the guide rod 904 is slidably connected to the fixed plate 901. The sliding fit between the guide rod 904 and the fixed plate 901 plays a guiding and limiting role during the movement of the C-shaped pressure plate 903, effectively preventing the C-shaped pressure plate 903 from shifting or tilting during movement, ensuring that the C-shaped pressure plate 903 can always smoothly approach the connector 2 and apply uniform pressure, thus improving the stability of the anti-detachment mechanism 9 operation.

[0017] like Figure 2 As shown, both sealing gasket 4 and sealing gasket 6 are made of rubber. Rubber has good elasticity and sealing properties. When compressed, it can undergo large deformation, thereby tightly filling the gaps between the components and significantly enhancing the sealing effect. At the same time, rubber also has good water resistance and corrosion resistance, and can maintain stable performance in underwater environments for a long time, extending the service life of the sealing gasket and ensuring the long-term effectiveness of the sealing structure.

[0018] The working principle of this embodiment is as follows: In terms of sealing protection, when the plug socket 1 and the plug connector 2 are connected, the sliding connection between them ensures the smoothness of the connection process. The fixing frame 3 outside the plug connector 2 moves with the plug connector 2. When the connection is in place, the sealing gasket 4 on one side of the fixing frame 3 is in close contact with the pressure frame 7 outside the plug socket 1. The pressure frame 7 compresses the sealing gasket 4. The elastic deformation of the rubber material fills the gap between the fixing frame 3 and the pressure frame 7, forming the first sealing barrier, which effectively prevents external water from entering from the outside of the connector. At the same time, the pressure frame 8 on the side of the plug socket 1 near the plug connector 2 will slide into the groove 5 opened in the plug connector 2, and contact and compress the sealing gasket 6 that is slidably connected in the groove 5. The rubber sealing gasket 6 deforms under pressure and fits tightly against the pressure frame 8 and the inner wall of the groove 5, forming the second sealing barrier, which further prevents water from seeping in from the inside of the connection part. The double sealing structure greatly improves the water tightness of the connector. In terms of preventing detachment and securing, the anti-detachment mechanism 9 plays a crucial role. After the connector 1 and connector 2 are aligned, rotating the handle 906 at one end of the threaded rod 902 in the anti-detachment mechanism 9 will cause the threaded rod 902 to move axially along the fixed plate 901, as the threaded rod 902 is threadedly connected to the fixing plate 901 fixed on the top of the connector 1. The end of the threaded rod 902 away from the handle 906 is rotatably connected to the C-shaped pressure plate 903. Therefore, the movement of the threaded rod 902 will push the C-shaped pressure plate 903. The plate 903 moves closer to the connector 2. During this process, the guide rod 904 on one side of the C-shaped pressure plate 903 slides along the fixed plate 901 to ensure the stability of the movement of the C-shaped pressure plate 903. After the C-shaped pressure plate 903 is tightly fitted with the connector 2, the handle 906 is rotated to make the C-shaped pressure plate 903 form a firm clamping force on the connector 2, thereby stably locking the connector 2 and the connector seat 1 to prevent loosening or falling off under the action of external forces such as water flow impact and equipment vibration, and to ensure the reliability of the connection.

[0019] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A high protection grade underwater special connector comprising a plug socket (1) and a plug (2), characterized in that: The plug (2) is externally fixed with a fixing frame (3), and a sealing gasket (4) is fixedly installed on the side of the fixing frame (3) near the plug seat (1). A groove (5) is opened on the side of the plug (2) near the plug seat (1). A sealing gasket (6) is slidably connected inside the groove (5). A pressure frame (7) is fixedly installed on the outside of the plug seat (1). A pressure frame (8) is fixedly installed on the side of the plug seat (1) near the plug (2). An anti-detachment mechanism (9) is installed on the top of the plug seat (1). The anti-detachment mechanism (9) includes a fixed plate (901), with a threaded rod (902) internally connected to the fixed plate (901). One end of the threaded rod (902) is rotatably connected to a C-shaped pressure plate (903). A guide rod (904) is symmetrically fixedly installed on the side of the C-shaped pressure plate (903) near the threaded rod (902). A limiting block (905) is fixedly installed on the end of the guide rod (904) away from the C-shaped pressure plate (903). A throttle (906) is fixedly installed on the end of the threaded rod (902) away from the C-shaped pressure plate (903).

2. The high protection level underwater dedicated connector according to claim 1, characterized in that: The socket (1) and the connector (2) are slidably connected.

3. The high protection level underwater dedicated connector according to claim 1, characterized in that: The first pressure frame (7) is slidably connected to the connector (2), and the second pressure frame (8) is slidably connected to the groove (5).

4. The high hazard rated underwater-only connector of claim 1, wherein: The fixing plate (901) is located on top of the plug-in socket (1), and the fixing plate (901) is fixedly connected to the plug-in socket (1).

5. The high hazard rated underwater-only connector of claim 1, wherein: The guide rod (904) is slidably connected to the fixed plate (901).

6. The intrinsically safe underwater subsea connector of claim 1, wherein: Both the sealing gasket one (4) and the sealing gasket two (6) are made of rubber.