Ship waterproof electrical connection device

Abstract

The utility model relates to the technical field of waterproof connectors, and discloses a ship waterproof electrical connecting device, which comprises a screw cap and is characterized in that the inner wall of the screw cap is in threaded connection with a basic body, one end of the basic body is in threaded connection with a hollow pipe, one end of the hollow pipe is provided with an inserting pipe, and the inserting pipe is connected with the screw cap. An extension tube is arranged at one end of the insertion tube, a tightening tube is arranged at one end of the extension tube, and a waterproof ring is arranged at the other end of the insertion tube. According to the ship waterproof electrical connection device, through the arrangement of the waterproof ring, the device forms a reliable waterproof structure, the problem of water seepage at the butt joint of the male head and the female head is effectively avoided, it is ensured that electrical connection is not invalid or short-circuited due to moisture in a humid or underwater environment, and the waterproof ring not only has a waterproof function, but also has a waterproof function. And through the tight plugging structure, the connection stability between the butt-joint pipe and the plug is increased, and the situation of disconnection caused in dynamic environments such as vibration or impact is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof connectors, in particular to a waterproof electrical connection device for ships. Background Art

[0002] The ship's waterproof electrical connection device is designed with waterproof performance, which can prevent moisture from entering the inside of the connector. Since the power waterproof connector can effectively block the entry of moisture, it can significantly reduce the risk of short circuit and leakage caused by water, thereby ensuring the safety of electricity use. However, the existing ship's waterproof electrical connection device is not tightly connected at the connector connection, which easily leads to the intrusion of moisture and moisture, thereby causing short circuit and leakage. Therefore, a ship's waterproof electrical connection device is needed that can maintain a tight connection and prevent water from seeping into the connector joint.

[0003] Chinese patent announcement No. CN207134549U discloses a waterproof connector, which aims to prevent the male end and the female end from separating when they are pulled. The key points of its technical solution are: a waterproof connector, including a male end and a female end with wires and cooperating with each other, the male end is provided with a connecting protrusion, the female end is provided with a groove, the side wall of the groove is provided with a sealing ring, and a fixing component is provided between the male end and the female end. The fixing component includes a clamping piece fixed to the side wall of the female end, a clamping disk rotatably connected to the side wall of the male end, a plurality of clamping blocks are provided on the periphery of the clamping piece, and the side wall of the clamping disk facing the female end is provided with a placement groove for the clamping piece to slide into, and the side wall of the placement groove is provided with a plurality of limiting blocks corresponding to the clamping blocks, and the side wall of the limiting block facing the bottom of the placement groove abuts against the clamping block. A waterproof connector of the utility model can prevent the male end and the female end from separating when they are pulled.

[0004] However, the utility model has the following problems when actually used:

[0005] When this utility model is actually used, gaps are still left at the joints, which makes it easy for moisture to penetrate into the joints through the gaps, causing short circuits and electrical failures, increasing the risk of electric shock to personnel. Electrical short circuits are also likely to generate high temperatures and electric arcs, leading to fires that pose a serious threat to the safety of ships and personnel. Utility Model Content

[0006] (1) Technical problems solved

[0007] In order to overcome the above-mentioned defects of the prior art, the present invention provides a waterproof electrical connection device for ships, which solves the problems in the prior art:

[0008] When this utility model is actually used, there are still gaps at the joints, which makes it easy for moisture to penetrate into the joints through the gaps, causing short circuits and electrical failures, increasing the risk of electric shock to people. Moreover, electrical short circuits are likely to generate high temperatures and electric arcs, leading to fires that pose a serious threat to the safety of ships and personnel.

[0009] (2) Technical solution

[0010] To achieve the above objectives, the present invention is implemented through the following technical solutions: a waterproof electrical connection device for ships, including a nut, characterized in that: the inner wall of the nut is threadedly connected to a basic body, one end of the basic body is threadedly connected to a hollow tube, one end of the hollow tube is provided with a plug-in tube, one end of the plug-in tube is provided with an extension tube, one end of the extension tube is provided with a tightening tube, and the other end of the plug-in tube is provided with a waterproof ring.

[0011] According to one embodiment of the present invention, a waterproof cover is provided on one side of the nut, and a waterproof rubber core is placed on the inner wall of the waterproof cover.

[0012] According to an embodiment of the present invention, one end of the basic body is fixedly connected to the compression cover, and a waterproof gasket is sleeved on the outer surface of the basic body.

[0013] According to an embodiment of the present invention, a butt joint pipe is inserted into the inner wall of the hollow tube, and a wire installation opening is opened at one end of the butt joint pipe.

[0014] According to an embodiment of the present invention, a plug is inserted into one end of the plug-in tube, a cable tray is placed on the inner wall of the plug-in tube, and the inner wall of the plug is inserted into one end of the butt-joint tube.

[0015] According to one embodiment of the present invention, both ends of the extension tube are fixedly connected with threaded rings, the outer surface of the extension tube is fixedly connected with an anti-slip sheet, and one end of the threaded ring is threadedly connected to the inner wall of the plug-in tube.

[0016] According to one embodiment of the present invention, one end of the tightening tube is fixedly connected to a mounting ring, an inner wall of the mounting ring is fixedly mounted with a rubber ring, and the inner wall of one end of the tightening tube is threadedly connected to one end of the threaded ring.

[0017] According to one embodiment of the present invention, a docking ring is inserted into the inner wall of the waterproof ring, one end of the docking ring is fixedly connected to a limiting ring, the inner wall of the waterproof ring is fixedly connected to the outer surface of one end of the plug, and the inner wall of the limiting ring is fixedly connected to the outer surface of one end of the hollow tube.

[0018] (3) Beneficial effects

[0019] The utility model provides a waterproof electrical connection device for ships, which has the following beneficial effects:

[0020] The waterproof electrical connection device for ships forms a reliable waterproof structure through the provision of a waterproof ring, effectively avoiding the problem of water seepage at the joint between the male and female connectors, ensuring that the electrical connection will not fail or short-circuit due to moisture in a humid or underwater environment. The waterproof ring not only provides a waterproof function, but also increases the connection stability between the butt tube and the plug through its tight plug-in structure, avoiding disconnection in dynamic environments such as vibration or impact. The waterproof ring is designed to be simple and easy to use. When installing, it only needs to be plugged into the designated position. The structural design of the device is reasonable, and the connection between the various components is simple and clear, making the installation process quick and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the plug-in tube structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the basic body structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the extension tube structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the waterproof ring structure of the utility model.

[0026] In the figure: 1. Nut; 2. Basic body; 3. Hollow tube; 4. Insert tube; 5. Extension tube; 6. Tightening tube; 7. Waterproof ring; 8. Waterproof cover; 9. Waterproof rubber core; 10. Compression cover; 11. Waterproof gasket; 12. Butt joint tube; 13. Wire loading port; 14. Plug; 15. Cable duct; 16. Threaded ring; 17. Anti-slip sheet; 18. Mounting ring; 19. Rubber ring; 20. Docking ring; 21. Limit ring. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] Example 1:

[0029] See also Figures 1 to 3 In order to ensure that the female end of the device does not leak during wiring, a nut 1, a basic body 2 and a hollow tube 3 are provided;

[0030] The invention comprises a nut 1, which is characterized in that: the inner wall of the nut 1 is threadedly connected to the basic body 2, one end of the basic body 2 is threadedly connected to the hollow tube 3, a waterproof cover 8 is provided on one side of the nut 1, the inner wall of the waterproof cover 8 is provided with a waterproof rubber core 9, one end of the basic body 2 is fixedly connected to the compression cover 10, the outer surface of the basic body 2 is sleeved with a waterproof gasket 11, the inner wall of the hollow tube 3 is plugged with a butt pipe 12, and one end of the butt pipe 12 is provided with a wire installation port 13, so that the waterproof cover 8 is used to provide waterproof protection while also providing additional waterproof There is space for placing the rubber core 9, and the waterproof rubber core 9 is used to work together with the waterproof cover 8 to form a more reliable waterproof barrier. The compression cover 10 is used to gradually approach the waterproof rubber core 9 when the basic body 2 is threadedly connected to the nut 1, and finally compress and deform the waterproof rubber core 9 so that it tightly blocks the gap in the inner wall of the waterproof cover 8. The waterproof gasket 11 is used to provide waterproof and sealing functions between the basic body 2 and the hollow tube 3. The butt joint 12 is used to dock with the plug 14 to transmit current signals, and the wire port 13 is used to introduce the line.

[0031] Example 2:

[0032] See also Figure 1 、 Figure 2 and Figure 4 In order to ensure that the male end of the device can be tightly connected during wiring without water leakage, a plug-in tube 4, an extension tube 5 and a tightening tube 6 are provided;

[0033] One end of the hollow tube 3 is provided with a plug-in tube 4, one end of the plug-in tube 4 is provided with an extension tube 5, one end of the extension tube 5 is provided with a tightening tube 6, one end of the plug-in tube 4 is plugged with a plug 14, a cable tray 15 is placed on the inner wall of the plug-in tube 4, the inner wall of the plug 14 is plugged with one end of the butt tube 12, both ends of the extension tube 5 are fixedly connected with a threaded ring 16, the outer surface of the extension tube 5 is fixedly connected with an anti-slip sheet 17, one end of the threaded ring 16 is threadedly connected to the inner wall of the plug-in tube 4, one end of the tightening tube 6 is fixedly connected with a mounting ring 18, and a rubber ring 19 is fixedly installed on the inner wall of the mounting ring 18 The inner wall of one end of the tightening tube 6 is threadedly connected to one end of the threaded ring 16, so the plug 14 is used to plug into the docking tube 12 to form an electrical connection. The wire tube 15 is used to organize and fix the lines to prevent the lines from being messy. The threaded ring 16 is used to provide a threaded connection function with the plug-in tube 4 and the tightening tube 6. The anti-slip sheet 17 is used to increase the friction on the outer surface of the extension tube 5 to prevent slipping during rotation connection or disassembly. The mounting ring 18 is used to install the rubber ring 19. The rubber ring 19 is used to provide a sealing function so that when the inner wall of the rubber ring 19 is connected to the wire, no water will seep into it.

[0034] Example 3:

[0035] See also Figure 5In order to prevent water seepage at the joint when the male and female connectors of the device are plugged in, a waterproof ring 7 is provided;

[0036] A waterproof ring 7 is provided at the other end of the plug-in tube 4, and a docking ring 20 is inserted into the inner wall of the waterproof ring 7. One end of the docking ring 20 is fixedly connected to a limiting ring 21. The inner wall of the waterproof ring 7 is fixedly connected to the outer surface of one end of the plug 14, and the inner wall of the limiting ring 21 is fixedly connected to the outer surface of one end of the hollow tube 3. Therefore, the docking ring 20 is used to be tightly plugged into the inner wall of the waterproof ring 7, so that the docking ring 20 and the waterproof ring 7 form a waterproof structure. The limiting ring 21 is used to limit the insertion depth of the waterproof ring 7 and provide an additional fixing function.

[0037] In the present invention, the working steps of the device are as follows:

[0038] First, place the waterproof rubber core 9 on the inner wall of the waterproof cover 8, install the basic body 2 in the inner wall of the nut 1 through a threaded connection, sleeve the waterproof gasket 11 on the outer surface of the basic body 2, and connect one end of the hollow tube 3 to the other end of the basic body 2 through a threaded connection to ensure that there is no gap at the connection. Pass the wires through the inner walls of the nut 1, the basic body 2 and the hollow tube 3, and fix the line on the inner wall of the wire loading port 13, insert the docking tube 12 into the inner wall of one end of the hollow tube 3, then pass the other end of the wire through the inner walls of the tightening tube 6 and the extension tube 5, and pass the line through the inner walls of the wire pipe 15 respectively to ensure that the line is not messy, and fix the line to one end of the plug 14. Finally, plug the docking tube 12 into the plug 14 to power on. At the same time, plug one end of the docking ring 20 into the inner wall of the waterproof ring 7 to increase the stability and waterproof performance of the connection.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof electrical connection device for a ship, comprising a nut (1), characterized in that: The inner wall of the nut (1) is threadedly connected to a basic body (2), one end of the basic body (2) is threadedly connected to a hollow tube (3), one end of the hollow tube (3) is provided with a plug-in tube (4), one end of the plug-in tube (4) is provided with an extension tube (5), one end of the extension tube (5) is provided with a tightening tube (6), and the other end of the plug-in tube (4) is provided with a waterproof ring (7).

2. A waterproof electrical connection device for ships according to claim 1, characterized in that: A waterproof cover (8) is provided on one side of the nut (1), and a waterproof rubber core (9) is placed on the inner wall of the waterproof cover (8).

3. A waterproof electrical connection device for ships according to claim 1, characterized in that: One end of the basic body (2) is fixedly connected to a compression cover (10), and a waterproof gasket (11) is sleeved on the outer surface of the basic body (2).

4. A waterproof electrical connection device for ships according to claim 1, characterized in that: A butt joint pipe (12) is inserted into the inner wall of the hollow tube (3), and a wire installation opening (13) is provided at one end of the butt joint pipe (12).

5. A waterproof electrical connection device for ships according to claim 4, characterized in that: One end of the plug-in tube (4) is plugged with a plug (14), an inner wall of the plug-in tube (4) is provided with a cable tray (15), and the inner wall of the plug (14) is plugged with one end of the butt-joint tube (12).

6. A waterproof electrical connection device for ships according to claim 1, characterized in that: Both ends of the extension tube (5) are fixedly connected with threaded rings (16), the outer surface of the extension tube (5) is fixedly connected with an anti-slip sheet (17), and one end of the threaded ring (16) is threadedly connected to the inner wall of the plug tube (4).

7. A waterproof electrical connection device for ships according to claim 6, characterized in that: One end of the tightening tube (6) is fixedly connected to a mounting ring (18), an inner wall of the mounting ring (18) is fixedly mounted with a rubber ring (19), and the inner wall of one end of the tightening tube (6) is threadedly connected to one end of the threaded ring (16).

8. The waterproof electrical connection device for ships according to claim 5, characterized in that: A docking ring (20) is inserted into the inner wall of the waterproof ring (7), one end of the docking ring (20) is fixedly connected to a limiting ring (21), the inner wall of the waterproof ring (7) is fixedly connected to the outer surface of one end of the plug (14), and the inner wall of the limiting ring (21) is fixedly connected to the outer surface of one end of the hollow tube (3).

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