Waterproof structure of national standard charging adapter

Abstract

The utility model relates to the technical field of charging piles, and particularly discloses a national standard charging adapter waterproof structure, which comprises a first national standard gun head, a first copper pin terminal, an adapter body, a second copper pin terminal and a second national standard gun head, the first copper contact pin terminal and the second copper contact pin terminal are installed on the inner side of the first national javelin head and the inner side of the second national javelin head respectively, the adapter body is connected with the first national javelin head and the second national javelin head in a buckled mode, and the first copper contact pin terminal is electrically connected with the second copper contact pin terminal. The outer side of the first national javelin head and the outer side of the second national javelin head are each sleeved with a plurality of sealing rings. According to the utility model, the first national standard joint and the second national standard joint are respectively connected with the adapter body in a buckling manner, so that screw-free installation can be realized, the adapter body adopts an integrated design, seamless connection can be realized, and sealing rings are arranged between the first national standard joint and the adapter body as well as between the second national standard joint and the adapter body, so that the sealing performance is improved, and the waterproof effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of charging piles, and particularly relates to a waterproof structure for a national standard charging adapter. Background Art

[0002] The main charging facilities for electric vehicles include charging piles, charging guns, charging sockets, in-vehicle high-voltage connectors, etc. The electric vehicle charging device is connected through connectors (charging guns, charging sockets) and charging cables. The electric vehicle connector is an important component for connecting the electric vehicle and the power supply device. Currently, the connectors include alternating current (direct current) charging guns and alternating current (direct current) charging sockets. For electric vehicles, a charging gun for charging is equipped. The charging gun is divided into a charging head and a connecting wire. The charging head is electrically connected to the output wire of the charging pile through the connecting wire. When in use, the charging head can complete charging by plugging into the charging port of the electric vehicle.

[0003] After retrieval, the Chinese utility model patent with the patent application number CN202222165450.9 discloses a national standard charging head converted to a US standard charging head, including a national standard adapter, a US standard adapter, a left shell, and a right shell. One end of the national standard adapter is provided with a US standard adapter. A left shell is arranged on one side of the national standard adapter and the US standard adapter, and a right shell is arranged on the other side of the national standard adapter and the US standard adapter. The left shell and the right shell are buckled. A plurality of mounting tubes are arranged on the left shell, and threaded holes are respectively opened inside the mounting tubes. A plurality of mounting holes are arranged on the right shell, and the mounting holes coincide with the mounting tubes; the utility model combines two national standard adapters and a US standard adapter to form a new device with two interfaces. The national standard charging gun can charge the US standard charging port, and the same kind of vehicle can use different charging guns for charging, bringing greater convenience to people. However, the shell of the existing charging adapter adopts a split design, which cannot achieve seamless connection, and the waterproof effect is poor. Moreover, the adapter and the shell are connected by bolts, which is not convenient for assembly. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a waterproof structure for a national standard charging adapter. By respectively snap-connecting the first national standard connector and the second national standard connector to the adapter body, screwless installation can be achieved, and the adapter body adopts an integrated design, which can achieve seamless connection. Sealing rings are arranged between the first national standard connector, the second national standard connector and the adapter body to improve the sealing performance and have a better waterproof effect.

[0005] To solve the above technical problem, the technical solution of the utility model is:

[0006] A waterproof structure for a national standard charging adapter head, comprising a first national standard gun head, a first copper pin wiring terminal, a transfer body, a second copper pin wiring terminal and a second national standard gun head. The first copper pin wiring terminal and the second copper pin wiring terminal are respectively installed inside the first national standard gun head and the second national standard gun head. The transfer body is respectively snap-connected to the first national standard gun head and the second national standard gun head. The first copper pin wiring terminal is electrically connected to the second copper pin wiring terminal. A plurality of sealing rings are sleeved on the outer sides of the first national standard gun head and the second national standard gun head.

[0007] Preferably, the first copper pin wiring terminal includes a first copper pin positioning block and a plurality of first copper pins installed on the first copper pin positioning block. The second copper pin wiring terminal includes a second copper pin positioning block and a plurality of second copper pins installed on the second copper pin positioning block. The first copper pins are electrically connected to the second copper pins.

[0008] Preferably, a plurality of first clamping buckles are provided on the outer sides of the first national standard gun head and the second national standard gun head. A plurality of first clamping grooves adapted to the first clamping buckles are formed inside the transfer body.

[0009] Preferably, a plurality of second clamping buckles are provided on the outer sides of the first copper pin positioning block and the second copper pin positioning block. A plurality of second clamping grooves adapted to the second clamping buckles are formed inside the first national standard gun head and the second national standard gun head.

[0010] Preferably, a plurality of sealing ring mounting grooves are formed on the outer sides of the first national standard gun head and the second national standard gun head. The sealing rings are mounted on the sealing ring mounting grooves.

[0011] Preferably, a plurality of first copper pin through holes adapted to the first copper pins are formed inside the first national standard gun head. A plurality of second copper pin through holes adapted to the second copper pins are formed inside the second national standard gun head.

[0012] With the above technical solution, a waterproof structure of a national standard charging adapter provided by the utility model has the following beneficial effects: The first copper pin terminal and the second copper pin terminal in the waterproof structure of the national standard charging adapter are respectively installed inside the first national standard gun head and the second national standard gun head. The adapter body is respectively snap-connected to the first national standard gun head and the second national standard gun head. The first copper pin terminal is electrically connected to the second copper pin terminal. A plurality of sealing rings are sleeved on the outer sides of the first national standard gun head and the second national standard gun head. By respectively snap-connecting the first national standard connector and the second national standard connector to the adapter body, screwless installation can be achieved, and the assembly is more convenient and fast. Moreover, the adapter body adopts an integrated design, which can achieve seamless connection. Sealing rings are provided between the first national standard connector, the second national standard connector and the adapter body, which can greatly improve the sealing performance and has a good waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an exploded view of the utility model;

[0014] Figure 2 is an exploded view of the utility model from another angle;

[0015] Figure 3 is a three-dimensional view of the utility model;

[0016] Figure 4 is a three-dimensional view of the utility model from another angle;

[0017] In the figures, 1 - first national standard gun head, 2 - first copper pin terminal, 3 - adapter body, 4 - second copper pin terminal, 5 - second national standard gun head, 6 - sealing ring, 7 - first copper pin positioning block, 8 - first copper pin, 9 - second copper pin positioning block, 10 - second copper pin, 11 - first snap-fastening buckle, 12 - first snap-fastening groove, 13 - second snap-fastening buckle, 14 - second snap-fastening groove, 15 - sealing ring installation groove, 16 - first copper pin through hole, 17 - second copper pin through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following further describes the specific embodiments of the utility model with reference to the drawings. It should be noted here that the description of these embodiments is for helping to understand the utility model, but does not constitute a limitation to the utility model. In addition, the technical features involved in the various embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0020] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0021] As Figures 1-4 shown, the waterproof structure of the national standard charging adapter includes a first national standard gun head 1, a first copper pin wiring terminal 2, a transfer body 3, a second copper pin wiring terminal 4 and a second national standard gun head 5. The first copper pin wiring terminal 2 and the second copper pin wiring terminal 4 are respectively installed inside the first national standard gun head 1 and the second national standard gun head 5. The transfer body 3 is respectively snap-connected to the first national standard gun head 1 and the second national standard gun head 5. The first copper pin wiring terminal 2 is electrically connected to the second copper pin wiring terminal 4. A plurality of sealing rings 6 are sleeved on the outer sides of the first national standard gun head 1 and the second national standard gun head 5. It can be understood that the first national standard gun head 1 and the second national standard gun head 5 can both be made of hard plastic material, etc., and the sealing ring 6 can be made of rubber material, etc.

[0022] Specifically, the first copper pin terminal 2 includes a first copper pin positioning block 7 and a plurality of first copper pins 8 installed on the first copper pin positioning block 7. The second copper pin terminal 4 includes a second copper pin positioning block 9 and a plurality of second copper pins 10 installed on the second copper pin positioning block 9. The first copper pin 8 is electrically connected to the second copper pin 10. A plurality of first clamping buckles 11 are provided on the outer sides of both the first national standard gun head 1 and the second national standard gun head 5. A plurality of first clamping grooves 12 adapted to the first clamping buckles 11 are formed on the inner side of the adapter body 3. A plurality of second clamping buckles 13 are provided on the outer sides of both the first copper pin positioning block 7 and the second copper pin positioning block 9. A plurality of second clamping grooves 14 adapted to the second clamping buckles 13 are formed on the inner sides of both the first national standard gun head 1 and the second national standard gun head 5. A plurality of sealing ring installation grooves 15 are formed on the outer sides of both the first national standard gun head 1 and the second national standard gun head 5. The sealing ring 6 is installed on the sealing ring installation grooves 15. A plurality of first copper pin through holes 16 adapted to the first copper pins 8 are formed on the inner side of the first national standard gun head 1. A plurality of second copper pin through holes 17 adapted to the second copper pins 10 are formed on the inner side of the second national standard gun head 5. It can be understood that the adapter body 3 can be made of hard plastic material, etc.; both the first copper pin 8 and the second copper pin 10 can be made of copper material, etc.

[0023] It can be understood that the design of the present utility model is reasonable and the structure is unique. By respectively snap - connecting the first national standard connector 1 and the second national standard connector 5 with the adapter body 3, screw - free installation can be achieved, making the assembly more convenient and fast. Moreover, the adapter body adopts an integrated design, enabling seamless connection. A sealing ring is provided between the first national standard connector 1 and the second national standard connector 5 and the adapter body 3, which can greatly improve the sealing performance and has a good waterproof effect.

[0024] The above - mentioned embodiments of the present utility model have been described in detail in conjunction with the accompanying drawings, but the present utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions, and variations to these embodiments still fall within the protection scope of the present utility model.

Claims

1. A waterproof structure of a national standard charging adapter, characterized in that: It includes a first national standard gun head, a first copper pin terminal, a transfer body, a second copper pin terminal and a second national standard gun head. The first copper pin terminal and the second copper pin terminal are respectively installed inside the first national standard gun head and the second national standard gun head. The transfer body is respectively snap-connected to the first national standard gun head and the second national standard gun head. The first copper pin terminal is electrically connected to the second copper pin terminal. A plurality of sealing rings are sleeved on the outer sides of the first national standard gun head and the second national standard gun head.

2. The waterproof structure of the national standard charging adapter according to claim 1, characterized in that: The first copper pin terminal includes a first copper pin positioning block and a plurality of first copper pins installed on the first copper pin positioning block. The second copper pin terminal includes a second copper pin positioning block and a plurality of second copper pins installed on the second copper pin positioning block. The first copper pins are electrically connected to the second copper pins.

3. The waterproof structure of the national standard charging adapter according to claim 1, wherein: A plurality of first clamping buckles are arranged on the outer sides of the first national standard gun head and the second national standard gun head. A plurality of first clamping grooves adapted to the first clamping buckles are formed inside the transfer body.

4. The waterproof structure of the national standard charging adapter according to claim 1, characterized in that: A plurality of second clamping buckles are arranged on the outer sides of the first copper pin positioning block and the second copper pin positioning block. A plurality of second clamping grooves adapted to the second clamping buckles are formed inside the first national standard gun head and the second national standard gun head.

5. The waterproof structure of the national standard charging adapter according to claim 1, wherein: A plurality of sealing ring installation grooves are formed on the outer sides of the first national standard gun head and the second national standard gun head. The sealing rings are installed on the sealing ring installation grooves.

6. The waterproof structure of the national standard charging adapter according to claim 1, characterized in that: A plurality of first copper pin through holes adapted to the first copper pins are formed inside the first national standard gun head. A plurality of second copper pin through holes adapted to the second copper pins are formed inside the second national standard gun head.

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