Underwater connector

Abstract

The utility model relates to the technical field of electric appliances, in particular to an underwater connector, which comprises a socket assembly and a plug assembly, the socket assembly comprises a socket and a spring cylinder, the spring cylinder is connected with the socket, the plug assembly comprises a plug and a plug rod, the plug rod is connected with the plug, and the plug rod in the plug assembly can be inserted into the spring cylinder in the socket assembly. A locking structure is arranged between the socket assembly and the plug assembly, an alignment structure is arranged between the socket assembly and the plug assembly, and a waterproof structure is arranged between the socket assembly and the plug assembly. According to the utility model, the waterproof structure is arranged between the socket assembly and the plug assembly, and the spring is arranged, so that water between the socket cover and the plug cover can be drained before the insertion rod passes through the socket cover and the plug cover, and water can enter between the socket cover and the plug cover only after the insertion rod is pulled out from the socket cover and the plug cover; water can be drained when the socket assembly and the plug assembly are plugged, so that the electrodes are isolated, and short-circuit accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to an underwater connector. Background Art

[0002] When working underwater, it is usually necessary to use a plug-in board to connect wires in the water, such as underwater pumping. Ordinary plug-ins cannot be used for underwater plugging, because water will cause the two electrodes to conduct and cause a short circuit. The plug-in board needs to prevent the electrodes from conducting to the outside through water or the two electrodes from conducting through water. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an underwater connector for underwater electrical connection, and solve the problem of waterproofing of underwater electrical connection in the prior art.

[0004] The utility model solves the technical problem by adopting the following scheme: an underwater connector, comprising a socket assembly and a plug assembly, wherein the socket assembly comprises a socket and a spring tube, the spring tube is connected to the socket, the plug assembly comprises a plug and an insertion rod, the insertion rod is connected to the plug, the insertion rod in the plug assembly can be inserted into the spring tube in the socket assembly, a locking structure is arranged between the socket assembly and the plug assembly, a positioning structure is arranged between the socket assembly and the plug assembly, and a waterproof structure is arranged between the socket assembly and the plug assembly.

[0005] In the above structure, the locking structure includes a buckle position on the socket and a buckle on the plug. The two buckles on the socket are respectively arranged on both sides of the socket, and the two buckles on the plug are respectively arranged on both sides of the plug. The two buckles are inserted between the two buckles to lock the socket assembly and the plug assembly.

[0006] The above structure also includes an elastic arm, which is arranged on the plug and the plug buckle is arranged on the elastic arm.

[0007] In the above structure, the buckle is arranged on the middle part of the elastic arm so that one end of the elastic arm can push away the buckle to unlock the locking structure.

[0008] In the above structure, the two ends of the spring barrel are thicker than the middle part so that the inner side of the middle part of the spring barrel contacts the insertion rod. The side wall of the spring barrel is provided with a long side hole, which divides the spring barrel into multiple spring strips so that the spring strips can be deformed when the insertion rod is inserted into the spring barrel.

[0009] In the above structure, the angle between the length direction of the spring bar and the rotation center line of the spring tube determines the strength of the spring bar when the deformation is equal, the width of the spring bar determines the strength of the spring bar when the deformation is equal, and the thickness of the spring bar determines the strength of the spring bar when the deformation is equal.

[0010] In the above structure, the spring tube is made of memory metal or elastic metal.

[0011] In the above structure, the alignment structure includes an insert ring on the socket and a rounded corner on the plug. The insert ring can limit the movement of the plug in the vertical plugging and unplugging direction, and the inner side wall of the insert ring matches the outer side wall of the plug.

[0012] In the above structure, the waterproof structure includes a soft socket cover, a soft plug cover, and a spring, wherein the socket cover is placed on the socket port of the socket, the socket cover is sealed and connected to the socket on all sides to form an enclosed space, the plug cover is placed on the plug port of the plug, the bottom of the plug cover is sealed and connected to the plug to form an enclosed space, the spring is placed between the plug cover and the plug and is sleeved on the plug rod, the upper part of the plug cover can move inside the plug relative to the plug, and the socket cover and the plug cover are both provided with a closed cross hole for the plug rod to pass through, and the cross hole on the socket cover is aligned with the center of the cross hole on the plug cover.

[0013] In the above structure, the socket cover and / or the plug cover are provided with arcuate surfaces for drainage, the arcuate surface of the socket cover is provided on the side in contact with the plug cover, and the arcuate surface of the plug cover is provided on the side in contact with the socket cover.

[0014] The technical effect of the utility model is as follows: by providing a waterproof structure between the socket assembly and the plug assembly and by providing a spring, the plug rod can drain the water between the socket cover and the plug cover before it passes through the socket cover and the plug cover, and the water can enter between the socket cover and the plug cover only after the plug rod has been pulled out of the socket cover and the plug cover, so that the socket assembly and the plug assembly can drain the water when being plugged in and out, thereby ensuring isolation between the electrodes and avoiding short circuit accidents.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 A three-dimensional diagram of the present invention from another angle;

[0018] Figure 3 It is an exploded view of the utility model;

[0019] Figure 4 This is an exploded view of the utility model from another angle;

[0020] Figure 5 It is a cross-sectional view of the utility model.

[0021] In the figure: 1. socket assembly; 2. plug assembly; 3. socket; 4. spring tube; 5. plug; 6. plug rod; 7. buckle position; 8. plug buckle; 9. elastic arm; 10. side hole; 11. spring bar; 12. plug ring; 13. socket cover; 14. plug cover; 15. spring; 16. cross hole. DETAILED DESCRIPTION

[0022] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0023] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0024] Unless otherwise clearly specified and limited, 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 this utility model can be understood by specific circumstances.

[0025] Referring to the accompanying drawings, an underwater connector includes a socket assembly 1 and a plug assembly 2, wherein the socket assembly 1 includes a socket 3 and a spring tube 4, the spring tube 4 is connected to the socket 3, the plug assembly 2 includes a plug 5 and a plug rod 6, the plug rod 6 is connected to the plug 5, the plug rod 6 in the plug assembly 2 can be inserted into the spring tube 4 in the socket assembly 1 to achieve electrical connection, a locking structure is provided between the socket assembly 1 and the plug assembly 2 to prevent the plug assembly 2 from escaping from the socket assembly 1, a positioning structure is provided between the socket assembly 1 and the plug assembly 2 to allow the plug assembly 2 to be plugged into the socket assembly 1, and a waterproof structure is provided between the socket assembly 1 and the plug assembly 2 to prevent the wires from being short-circuited when the plug assembly 2 is plugged into the socket assembly 1.

[0026] Furthermore, the locking structure includes a buckle position 7 on the socket 3 and a buckle 8 on the plug 5. The two buckle positions 7 on the socket 3 are respectively arranged on both sides of the socket 3, and the two buckles 8 on the plug 5 are respectively arranged on both sides of the plug 5. The two buckles 7 are inserted between the two buckles 8 to lock the socket assembly 1 and the plug assembly 2.

[0027] Furthermore, it also includes an elastic arm 9 , which is arranged on the plug 5 , and the buckle 8 is arranged on the elastic arm 9 .

[0028] Further, the buckle 8 is arranged on the middle part of the elastic arm 9 so that one end of the elastic arm 9 can push the buckle 8 to unlock the locking structure. The locking structure can be unlocked by pushing one end of the elastic arm 9 outward.

[0029] Furthermore, the two ends of the spring barrel 4 are thicker than the middle so that the inner side of the middle of the spring barrel 4 contacts the insertion rod 6. The side wall of the spring barrel 4 is provided with a long side hole 10, and the side hole 10 divides the spring barrel 4 into a plurality of spring strips 11 so that the spring strips 11 can be deformed when the insertion rod 6 is inserted into the spring barrel 4. The contact area of ​​the spring barrel 4 is large and the connection is reliable.

[0030] Furthermore, the angle between the length direction of the spring strip 11 and the rotation center line of the spring tube 4 determines the magnitude of the force of the spring strip 11 when the deformation is equal, the width of the spring strip 11 determines the magnitude of the force of the spring strip 11 when the deformation is equal, and the thickness of the spring strip 11 determines the magnitude of the force of the spring strip 11 when the deformation is equal.

[0031] Furthermore, the spring barrel 4 is made of memory metal or elastic metal.

[0032] Furthermore, the alignment structure includes an insert ring 12 on the socket 3 and a rounded corner on the plug 5 . The insert ring 12 can limit the movement of the plug 5 in the vertical plugging and unplugging direction. The inner wall of the insert ring 12 matches the outer wall of the plug 5 .

[0033] Furthermore, the inner wall of the insert ring 12 is provided with a drainage groove to facilitate water drainage.

[0034] Furthermore, the waterproof structure includes a soft socket cover 13, a soft plug cover 14, and a spring 15, wherein the socket cover 13 is placed on the socket opening of the socket 3, the socket cover 13 is sealed and connected to the socket 3 on all sides to form a closed space, the plug cover 14 is placed on the plug opening of the plug 5, the bottom of the plug cover 14 is sealed and connected to the plug 5 to form a closed space, the spring 15 is placed between the plug cover 14 and the plug 5 and is sleeved on the plug rod 6, the upper part of the plug cover 14 can move inside the plug 5 relative to the plug 5, the socket cover 13 and the plug cover 14 are both provided with a closed cross hole 16 for the plug rod 6 to pass through, and the cross hole 16 on the socket cover 13 is aligned with the center of the cross hole 16 on the plug cover 14.

[0035] Furthermore, the socket cover 13 and / or the plug cover 14 are provided with arcuate surfaces for drainage. The arcuate surface of the socket cover 13 is provided on the side in contact with the plug cover 14 , and the arcuate surface of the plug cover 14 is provided on the side in contact with the socket cover 13 .

[0036] The utility model provides a waterproof structure between the socket assembly 1 and the plug assembly 2, so that the socket assembly 1 and the plug assembly 2 can drain water when plugging and unplugging, ensure isolation between the electrodes, and avoid short circuit accidents. By providing a spring 15, the plug rod 6 can drain water between the socket cover 13 and the plug cover 14 before it passes through the socket cover 13 and the plug cover 14. The plug rod 6 can only allow water to enter between the socket cover 13 and the plug cover 14 after it has been pulled out from the socket cover 13 and the plug cover 14, so as to ensure isolation between the electrodes.

[0037] Specifically, it has the following beneficial effects:

[0038] 1. The utility model is provided with a spring barrel 4, the contact area between the spring barrel 4 and the insertion rod 6 is large, the conductive performance is good, the insertion and extraction force is large, and the transmission stability is high;

[0039] 2. The utility model provides a long strip-shaped side hole 10 in the spring barrel 4, so that the spring barrel 4 has good elasticity and a long service life;

[0040] 3. The utility model provides a soft socket cover 13, a soft plug cover 14, and a spring 15, and utilizes the characteristics of the spring 15 to make the socket cover 13 and the plug cover 14 waterproof;

[0041] 4. The utility model provides a socket cover 13 and a plug cover 14 with arc-shaped surfaces for drainage;

[0042] 5. The utility model is provided with a cross hole 16 by setting the socket cover 13 and the plug cover 14 to facilitate waterproofing;

[0043] 6. The utility model provides a spring 15, so that the plug rod 6 can drain the water between the socket cover 13 and the plug cover 14 before it passes through the socket cover 13 and the plug cover 14, and the plug rod 6 can allow water to enter between the socket cover 13 and the plug cover 14 only after it has been pulled out of the socket cover 13 and the plug cover 14, thereby ensuring isolation between the electrodes.

[0044] The embodiments described above are only preferred implementation modes of the present utility model and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and modifications made by technicians in this field on the basis of the utility model shall fall within the protection scope of the present utility model.

Claims

1. An underwater connector, characterized in that: It includes a socket assembly and a plug assembly, wherein the socket assembly includes a socket and a spring tube, the spring tube is connected to the socket, the plug assembly includes a plug and a plug rod, the plug rod is connected to the plug, the plug rod in the plug assembly can be inserted into the spring tube in the socket assembly, a locking structure is provided between the socket assembly and the plug assembly, an alignment structure is provided between the socket assembly and the plug assembly, and a waterproof structure is provided between the socket assembly and the plug assembly.

2. The underwater connector according to claim 1, characterized in that: The locking structure includes a buckle position on the socket and a buckle on the plug. The two buckles on the socket are respectively arranged on both sides of the socket, and the two buckles on the plug are respectively arranged on both sides of the plug. The two buckles are inserted between the two buckles to lock the socket assembly and the plug assembly.

3. The underwater connector according to claim 2, characterized in that: It also includes an elastic arm, which is arranged on the plug, and the buckle is arranged on the elastic arm.

4. The underwater connector according to claim 3, characterized in that: The buckle is arranged on the middle part of the elastic arm.

5. The underwater connector according to claim 1, characterized in that: The two ends of the spring barrel are thicker than the middle part so that the inner side of the middle part of the spring barrel contacts the insertion rod. The side wall of the spring barrel is provided with a long side hole, which divides the spring barrel into multiple spring strips so that the spring strips can be deformed when the insertion rod is inserted into the spring barrel.

6. The underwater connector according to claim 5, characterized in that: The angle formed by the length direction of the spring strip and the rotation center line of the spring tube determines the strength of the spring strip when the deformation is the same, the width of the spring strip determines the strength of the spring strip when the deformation is the same, and the thickness of the spring strip determines the strength of the spring strip when the deformation is the same.

7. The underwater connector according to claim 1, 5 or 6, characterized in that: The spring tube is made of memory metal or elastic metal.

8. The underwater connector according to claim 1, characterized in that: The alignment structure includes an insert ring on the socket and a rounded corner on the plug. The insert ring can limit the movement of the plug in a vertical plugging and unplugging direction. The inner side wall of the insert ring matches the outer side wall of the plug.

9. The underwater connector according to claim 1, characterized in that: The waterproof structure includes a soft socket cover, a soft plug cover, and a spring, wherein the socket cover is placed on the socket opening of the socket, the socket cover is sealed and connected to the socket on all sides to form a closed space, the plug cover is placed on the plug opening of the plug, the bottom of the plug cover is sealed and connected to the plug to form a closed space, the spring is placed between the plug cover and the plug and is sleeved on the plug rod, the upper part of the plug cover can move inside the plug relative to the plug, the socket cover and the plug cover are both provided with a closed cross hole for the plug rod to pass through, and the cross hole on the socket cover is aligned with the center of the cross hole on the plug cover.

10. The underwater connector according to claim 9, characterized in that: The socket cover and / or the plug cover are provided with an arcuate surface. The arcuate surface of the socket cover is provided on a side in contact with the plug cover, and the arcuate surface of the plug cover is provided on a side in contact with the socket cover.

Images