A magnetic waterproof connecting device

By designing a magnetic waterproof connector with a tapered sealing ring and a beveled surface, the problem of the large size of existing waterproof magnetic connectors is solved, achieving effortless connection and waterproof effect while reducing the size of the connector.

CN224384623UActive Publication Date: 2026-06-19KUNSHAN AMPHENOL ZHENGRI ELECTRONICS CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN AMPHENOL ZHENGRI ELECTRONICS CO LTD
Filing Date
2025-04-21
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing waterproof magnetic connectors are bulky and take up a lot of space because they require an increase in magnet area to improve magnetic force.

Method used

Two sealing rings with different outer diameters and a tapering shape were designed. Combined with the beveled contact of the inner wall of the socket, air can be easily squeezed out, reducing the pressure force, reducing the suction force requirement, and reducing the size of the connector.

Benefits of technology

It achieves labor-saving connection and waterproof effect, while reducing the magnetic adsorption area and shrinking the size of the connector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of magnetic suction type waterproof connecting device, including a first connector and a second connector;First connector has a first connection body, a first plug-in part and a first terminal seat, the first plug-in part has a socket end, the first terminal seat is set in the first plug-in part corresponding socket end, and the first terminal seat is provided with first terminal and first magnetic suction assembly;Second connector has a second connection body, a second plug-in part and a second terminal seat, the second plug-in part corresponds socket end, and the second terminal seat is set in the second plug-in part, and the second terminal seat is provided with second terminal and second magnetic suction assembly;Wherein, the second plug-in part is provided with a ring-shaped tight structure, the inner wall of the socket end of the first plug-in part is inclined, and the ring-shaped tight structure has a first tight ring and a second tight ring abutting on the inner wall of the socket end.
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Description

Technical Field

[0001] This application relates to connectors, and more particularly to a magnetic waterproof connector. Background Technology

[0002] Existing waterproof magnetic connectors typically employ a circular washer design, requiring significant magnetic force and radial pressure from the washer to achieve waterproofing. However, this design necessitates increasing the magnet area to enhance the magnetic force, resulting in a larger connector size and greater space consumption.

[0003] In view of this, the present invention, in order to improve the above-mentioned defects, has devoted itself to research and combined theoretical applications to propose a utility model solution that is reasonably designed and can effectively solve the existing problems. Utility Model Content

[0004] One of the main objectives of this invention is to provide a magnetic waterproof connection device, which adds two spaced-apart sealing rings to the waterproof gasket. These rings have different outer diameters and a tapering design, so that they can make oblique contact and interference with the inner wall of the connector. This allows excess air between the connectors to be easily squeezed out, effectively reducing the pressure of the gasket, achieving easier connection and waterproofing. Furthermore, the reduced magnetic attraction area also reduces the size of the connector.

[0005] To achieve the above objectives, this utility model provides a magnetic waterproof connection device, including a first connector and a second connector. The first connector has a first connecting body, a first insertion portion protruding from the first connecting body, and a first terminal block disposed in the first insertion portion. The first insertion portion has a socket end, and the first terminal block is disposed within the first insertion portion corresponding to the socket end. The first terminal block contains at least one first terminal and at least one first magnetic component. The second connector has a second connecting body, a second insertion portion protruding from the second connecting body, and a first terminal block disposed in the first insertion portion. The second terminal block of the second plug-in portion corresponds to the plug end, and the second terminal block is disposed inside the second plug-in portion. The second terminal block is provided with at least one second terminal and at least one second magnetic attraction component. The second plug-in portion is provided with an annular sealing structure outside. The annular sealing structure includes a sealing body and a first sealing ring and a second sealing ring arranged outwardly from the sealing body. The inner wall of the plug end of the first plug-in portion is inclined. When the first connector and the second connector are mated, the first sealing ring and the second sealing ring abut against the inner wall of the plug end. Attached Figure Description

[0006] Figure 1 This is a perspective view of the present invention in a separated state;

[0007] Figure 2This is a perspective view of the present invention in a docking state;

[0008] Figure 3 This is a partial cross-sectional schematic diagram of the present invention in a separated state;

[0009] Figure 3A for Figure 3 Enlarged detail of Part A;

[0010] Figure 4 This is a partial cross-sectional schematic diagram of the docking state of this utility model;

[0011] Figure 4A for Figure 4 Enlarged detailed view of Part A.

[0012] Figure label:

[0013] 1: First connector; 10: First connecting body; 100: First buffer end; 101: First cable; 11: First plug-in part; 110: Plug end; 110a: First inner wall; 110b: Second inner wall; 110c: Angled inner wall; 12: First terminal block; 120: First terminal; 121: First magnetic attraction assembly;

[0014] 2: Second connector; 20: Second connecting body; 200: Second buffer end; 201: Second cable; 21: Second insertion part; 210: Front end; 211: Annular groove; 211a: First mating surface; 211b: Second mating surface; 22: Second terminal block; 220: Second terminal; 221: Second magnetic suction assembly; 23: Annular sealing structure; 230: Sealing body; 230a: First annular surface; 230b: Second annular surface; 231: First sealing ring; 232: Second sealing ring;

[0015] d: outer diameter; D: outer diameter; C: extension line; L: horizontal line; α: included angle. Detailed Implementation

[0016] The technical solution protected by this utility model will be described in detail below with reference to the accompanying drawings.

[0017] See Figure 1 and Figure 2 The figures shown are perspective views of the separated and connected states of this utility model. The magnetic waterproof connection device provided by this utility model includes a first connector 1 and a second connector 2: wherein:

[0018] Combination Figure 3The first connector 1 has a first connecting body 10, a first plug portion 11 disposed on the first connecting body 10 and protruding therefrom, and a first terminal block 12 disposed on the first plug portion 11. The first connecting body 10 has a first buffer end 100 and is connected to a first cable 101. The first plug portion 11 is disposed on one surface of the first connecting body 10, such that the plugging direction of the first connector 1 and the second connector 2 is perpendicular to the first cable 101. The first plug portion 11 has a socket end 110, so that the first terminal block 12 is disposed in the first plug portion 11 corresponding to the socket end 110. The first terminal block 12 is provided with at least one first terminal 120 and a first magnetic attraction element 121 surrounding the first terminal 120 in an annular shape.

[0019] Furthermore, the second connector 2 has a second connecting body 20, a second insertion portion 21 protruding from the second connecting body 20, and a second terminal block 22 disposed on the second insertion portion 21. The second connecting body 20 has a second buffer end 200 connected to a second cable 201. The second insertion portion 21 is disposed on one surface of the second connecting body 20, such that the insertion direction of the second connector 2 and the first connector 1 is perpendicular to the second cable 201. The second insertion portion 21 corresponds to the socket end 110 of the first connector 1, and at least the front end 210 of the second insertion portion 21 can be inserted into the socket end 110. The second terminal block 22 has at least one second terminal 220 and a second magnetic attraction component 221 annularly surrounding the second terminal 220. Figure 4 As shown, when the first connector 1 and the second connector 2 are plugged in, the second plug-in part 21 is inserted into the plug end 110 of the first connector 1, so that the first terminal 120 and the second terminal 220 are plugged in to achieve electrical connection. At the same time, the first magnetic attraction component 121 and the second magnetic attraction component 221 can also attract each other because the first terminal base 12 and the second terminal base 22 are close to each other, thereby preventing the first connector 1 and the second connector 2 from being easily separated.

[0020] Please combine them together Figure 3 and Figure 3AThe present invention mainly features an annular sealing structure 23 on the outside of the second insertion portion 21. This annular sealing structure includes a sealing body 230 and a first sealing ring 231 and a second sealing ring 232 arranged at intervals. The outer diameter d of the first sealing ring 231 is smaller than the outer diameter D of the second sealing ring 232, and the first sealing ring 231 is closer to the end face of the second insertion portion 21 than the second sealing ring 232. In one embodiment, the second insertion portion 21 has a laterally recessed annular groove 211, and the sealing body 230 is embedded in the annular groove 211 to allow the first sealing ring 231 and the second sealing ring 232 to extend laterally. Specifically, the annular groove 211 is provided with a first fitting surface 211a and a second fitting surface 211b. The first fitting surface 211a and the second fitting surface 211b are respectively inclined, and they connect at the highest point of the inclination to increase the tightness when fitted with the sealing body 230. Further, as Figure 3A As shown, the sealing body 230 may have a first annular surface 230a and a second annular surface 230b on the outside, and the first sealing ring 231 and the second sealing ring 232 are respectively disposed on them. The first annular surface 230a may be inclined so that an extension line C of the first sealing ring 231 forms an angle α with a horizontal line L, thereby increasing the distance between it and the second sealing ring 232 to reduce the squeezing force of the first sealing ring 231 when it is mated.

[0021] like Figure 4 and Figure 4A The inner wall of the socket end 110 of the first plug-in portion 11 is beveled. Specifically, the socket end 110 has a first inner wall 110a, a beveled inner wall 110c, and a second inner wall 110b sequentially from the inside to the outside. Furthermore, there is a beveled inner wall 110c between the first inner wall 110a and the second inner wall 110b, so that when the first connector 1 and the second connector 2 are mated, the first sealing ring 231 and the second sealing ring 232 of the annular sealing structure 23 can abut against the beveled inner wall 110c, thereby achieving a sealing or waterproof effect.

[0022] Based on the above-described structure, the magnetic waterproof connection device of this utility model can be obtained.

[0023] Therefore, the magnetic waterproof connection device of this utility model has a first sealing ring 231 and a second sealing ring 232 spaced apart, with different outer diameters and a tapering design, so as to make oblique contact and interference with the inner wall of the first connector 1. In this way, excess air between the first connector 1 and the second connector 2 can be easily squeezed out, and the pressure force of the annular sealing structure 23 can be effectively reduced, so as to achieve easy docking and waterproof effect. In addition, due to the reduction of attraction force, the magnetic adsorption area is reduced, and the volume of the first connector 1 and the second connector 2 can be reduced.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A magnetic waterproof connection device, characterized in that, include: The first connector has a first connecting body, a first plug portion protruding from the first connecting body, and a first terminal block disposed in the first plug portion. The first plug portion has a socket end, and the first terminal block is disposed in the first plug portion corresponding to the socket end. The first terminal block is provided with at least one first terminal and at least one first magnetic attraction component. as well as The second connector has a second connecting body, a second plug portion protruding from the second connecting body, and a second terminal block disposed in the second plug portion. The second plug portion corresponds to the plug end, and the second terminal block is disposed in the second plug portion. The second terminal block is provided with at least one second terminal and at least one second magnetic attraction component. The second plug portion is provided with an annular sealing structure. The annular sealing structure includes a sealing body and a first sealing ring and a second sealing ring arranged outward from the sealing body. The inner wall of the plug end of the first plug portion is inclined. When the first connector and the second connector are mated, the first sealing ring and the second sealing ring abut against the inner wall of the plug end.

2. The magnetic waterproof connection device according to claim 1, characterized in that, The first connecting body includes a first buffer end and is connected to a first cable, and the second connecting body includes a second buffer end and is connected to a second cable.

3. The magnetic waterproof connection device according to claim 1, characterized in that, The socket end includes a first inner wall and a second inner wall arranged sequentially from the inside to the outside, and an oblique inner wall is provided between the first inner wall and the second inner wall.

4. The magnetic waterproof connection device according to claim 1, characterized in that, The first magnetic attraction component is in the shape of a ring and surrounds the first terminal; the second magnetic attraction component is in the shape of a ring and surrounds the second terminal.

5. The magnetic waterproof connection device according to claim 1, characterized in that, The second insertion part has a laterally recessed annular groove, and the sealing body is embedded in the annular groove so that the first sealing ring and the second sealing ring extend out laterally.

6. A magnetic waterproof connection device according to claim 5, characterized in that, The annular groove includes a first mating surface and a second mating surface; both the first mating surface and the second mating surface are inclined.

7. A magnetic waterproof connection device according to claim 6, characterized in that, The first mating surface and the second mating surface are connected at their steepest points.

8. A magnetic waterproof connection device according to claim 1, characterized in that, The first sealing ring is closer to the end face of the second insertion part than the second sealing ring, and the outer diameter of the first sealing ring is smaller than the outer diameter of the second sealing ring.

9. A magnetic waterproof connection device according to claim 1, characterized in that, The sealing body has a first annular surface and a second annular surface; the first sealing ring is disposed on the first annular surface, and the second sealing ring is disposed on the second annular surface.

10. A magnetic waterproof connection device according to claim 9, characterized in that, The first annular surface is inclined.