Charging connector for quick-charging electric vehicle

Abstract

The utility model provides a quick charging electric vehicle charging connector, which relates to the field of electric vehicle charging connectors and comprises an electric vehicle quick charging gun, a quick charging connector is arranged at the side end of the electric vehicle quick charging gun, a protective cover is sleeved on the left side surface of the quick charging connector, and an inserting column is fixed on the right side of the protective cover. And a cleaning cylinder is bonded to the inner side cylindrical surface of the inserting column, the inner side cylindrical surface of the cleaning cylinder is wrapped and attached to the copper terminal in the quick-charging connector groove, the upper end of the protective cover is connected with a telescopic plate through a coupling block, and the right side of the telescopic plate is connected with a limiting ring block in a penetrating mode. The utility model solves the problem that the copper terminal at the joint is easily affected by air humidity to oxidize and heat up to accelerate the damage of the quick-charging joint in the daily pulling process of the electric vehicle quick-charging joint in the prior art.

Description

Technical Field

[0001] The utility model relates to the field of electric vehicle charging connectors, in particular to a fast-charging electric vehicle charging connector. Background Art

[0002] New energy electric vehicles are connected to the charging pile for charging through the charging connector. The charging connector needs to be manually inserted and unplugged from the charging port before and after charging. After searching, the prior art (application number: CN202022228150.1) records that "after charging is completed, press the buttons on both sides, the lever buckle releases the guide column slot, the light strip illuminates, and the first spring pushes the annular block away from the base. When the annular block fits around the charging port, the first spring continues to push the annular block to provide auxiliary force for pulling out the charging connector. The utility model has a simple structure and provides auxiliary force for the operator to pull out the charging connector, avoiding violent actions such as shaking the charging connector left and right to save effort when the operator pulls it out, thereby extending the service life of the charging connector". However, in the prior art, in the daily process of pulling out the electric vehicle fast charging connector, the copper terminal at the connector is easily affected by air humidity, oxidized and heated up, accelerating the damage of the fast charging connector. Utility Model Content

[0003] In order to overcome the defects of the prior art, a fast-charging electric vehicle charging connector is provided to solve the problem that in the prior art, during the daily unplugging of the electric vehicle fast-charging connector, the copper terminals at the connector are easily affected by air humidity, oxidizing and heating up, accelerating the damage of the fast-charging connector.

[0004] To achieve the above object, a fast charging electric vehicle charging connector is provided, comprising: an electric vehicle fast charging gun, wherein a fast charging connector is provided at a side end of the electric vehicle fast charging gun,

[0005] A protective cover is sleeved on the left side of the quick-charging connector, a plug-in column is fixed on the right side of the protective cover, a cleaning column is bonded to the inner cylindrical surface of the plug-in column, the inner cylindrical surface of the cleaning column is wrapped and fitted with the copper terminal in the quick-charging connector slot, the upper end of the protective cover is connected to a telescopic plate through an axial connection block, and a limiting ring block is penetrated and connected on the right side of the telescopic plate.

[0006] Furthermore, the lower end of the electric vehicle fast charging gun is connected to the charging pile through a cable, and a limiting ring block is fixedly sleeved on the surface of the electric vehicle fast charging gun.

[0007] Furthermore, a telescopic groove is provided on the inner side of the upper end of the limiting ring block; and a telescopic plate runs through the telescopic groove, and a fixing column is welded on the left end of the telescopic plate.

[0008] Furthermore, a shaft connection block is sleeved on the surface of the fixed column, and a limiting groove is provided on the upper surface of the telescopic plate; and the limiting groove is limitedly moved on the inner side of the limiting ring block.

[0009] Furthermore, a sealing gasket is pressed on the right cover surface of the protective cover; and the sealing gasket is in contact with the side of the fast-charging connector, and copper terminals are distributed in the slot on the left side of the fast-charging connector.

[0010] Furthermore, the plug-in posts on the side of the protective cover correspond to the distribution positions of the copper terminals in the fast charging connector slots.

[0011] Furthermore, the protective cover, the plug-in column, the cleaning cylinder column, the telescopic plate and the limiting ring block constitute an anti-oxidation structure of the quick-charging connector.

[0012] The beneficial effect of the utility model is that the fast-charging electric vehicle charging connector of the utility model utilizes the telescopic plate to move left and right inside the limit ring block, driving the plug-in column on the side of the protective cover to be inserted into the fast-charging connector socket of the fast-charging connector. By pulling out the plug-in column in the charging connector daily, the cleaning cylinder column in the plug-in column wipes and removes the oxide layer on the surface of the copper terminal, which is convenient for slowing down the oxidation degree of the copper terminal in the electric vehicle charging connector, reducing the high-temperature burning of the electric vehicle charging connector due to rapid oxidation and heating, and extending the service life of the electric vehicle fast-charging charging connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view connection structure schematic diagram of a fast charging electric vehicle charging connector according to an embodiment of the utility model.

[0014] Figure 2 It is a side view of a partial structure diagram of a fast charging electric vehicle charging connector according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the front cross-sectional connection structure of the telescopic plate and the limiting ring block according to an embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the protective cover according to an embodiment of the utility model.

[0017] In the figure: 1. Electric vehicle fast charging gun; 11. Fast charging connector; 12. Cable; 13. Copper terminal; 2. Protective cover; 21. Shaft connection block; 22. Sealing gasket; 23. Plug-in column; 24. Cleaning cylinder column; 3. Telescopic plate; 31. Fixed column; 32. Limiting groove; 4. Limiting ring block; 41. Telescopic groove. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a fast charging electric vehicle charging connector, including: an electric vehicle fast charging gun 1, a fast charging connector 11 is arranged at the side end of the electric vehicle fast charging gun 1,

[0019] A protective cover 2 is sleeved on the left side of the quick charging connector 11, a plug-in column 23 is fixed on the right side of the protective cover 2, a cleaning column 24 is bonded to the inner cylindrical surface of the plug-in column 23, the inner cylindrical surface of the cleaning column 24 is wrapped and fitted with the copper terminal 13 in the groove of the quick charging connector 11, and the upper end of the protective cover 2 is connected to the telescopic plate 3 through the axial connection block 21, and the right side of the telescopic plate 3 is penetrated and connected with a limiting ring block 4.

[0020] When the electric vehicle fast charging gun 1 needs to be used to charge the electric vehicle, take out the electric vehicle fast charging gun 1 from the charging pile, pull the protective cover 2 to the left, and move the plug-in column 23 at the side end of the protective cover 2 out of the fast charging connector 11 slot. At the same time, the rubber cleaning cylinder 24 is convenient for wiping the copper terminal 13 in the fast charging connector 11 slot to remove the oxide layer on the surface of the copper terminal 13. Then, the electric vehicle fast charging gun 1 can be plugged into the electric vehicle socket for charging, which effectively slows down the oxidation degree of the copper terminal in the electric vehicle charging connector and reduces the high temperature burning of the electric vehicle charging connector caused by rapid oxidation and heating.

[0021] In this embodiment, the lower end of the electric vehicle fast charging gun 1 is connected to the charging pile through a cable 12, and a limiting ring block 4 is fixedly sleeved on the surface of the electric vehicle fast charging gun 1.

[0022] As a preferred embodiment, the charging pile transmits electric energy through the cable 12, so that the electric vehicle fast charging gun 1 can charge the connected electric vehicle. The limiting ring block 4 facilitates the protective cover 2 to be movably connected to the surface of the electric vehicle fast charging gun 1.

[0023] In this embodiment, a telescopic groove 41 is provided inside the upper end of the limiting ring block 4; and the telescopic plate 3 passes through the telescopic groove 41, and a fixing column 31 is welded to the left end of the telescopic plate 3. The surface of the fixing column 31 is sleeved with a shaft connection block 21, and a limiting groove 32 is provided on the upper surface of the telescopic plate 3; and the limiting groove 32 is limited to move inside the limiting ring block 4.

[0024] As a preferred embodiment, the telescopic plate 3 is located inside the limiting ring block 4 and moves left and right through the telescopic groove 41, so as to facilitate the protective cover 2 to be moved out or clamped on the surface of the fast charging connector 11. The limiting groove 32 is used to limit the moving distance of the telescopic plate 3 to prevent the telescopic plate 3 from being separated from the limiting ring block 4.

[0025] In this embodiment, a sealing gasket 22 is pressed on the right cover surface of the protective cover 2; and the sealing gasket 22 fits the side of the fast charging connector 11, and the copper terminal 13 is distributed in the left slot of the fast charging connector 11. The plug-in column 23 on the side of the protective cover 2 corresponds to the distribution position of the copper terminal 13 in the slot of the fast charging connector 11.

[0026] As a preferred embodiment, the protective cover 2 is pressed against the quick-charge connector 11 through the sealing gasket 22 to prevent external air and water vapor from entering the slot of the quick-charge connector 11. The copper terminals 13 in the slot of the quick-charge connector 11 are correspondingly plugged into the cleaning cylinders 24 in the corresponding plug-in columns 23.

[0027] In this embodiment, the protective cover 2 , the plug-in column 23 , the cleaning column 24 , the telescopic plate 3 and the limiting ring block 4 constitute an anti-oxidation structure of the quick-charging connector 11 .

[0028] As a preferred embodiment, the anti-oxidation structure of the fast charging connector 11 is convenient for slowing down the oxidation degree of the copper terminal in the electric vehicle charging connector, reducing the high-temperature burning of the electric vehicle charging connector due to rapid oxidation temperature rise, and extending the service life of the electric vehicle fast charging connector.

[0029] The utility model discloses a fast-charging electric vehicle charging connector, which can effectively solve the problem that the copper terminals at the connector are easily affected by air humidity and oxidize and heat up, thus accelerating the damage of the fast-charging connector. It is convenient to slow down the oxidation degree of the copper terminals in the electric vehicle charging connector, reduce the high-temperature burning of the electric vehicle charging connector caused by rapid oxidation and temperature rise, and extend the service life of the electric vehicle fast-charging connector. The utility model is suitable for fast-charging electric vehicle charging connectors.

Claims

1. A fast charging electric vehicle charging connector, comprising: An electric vehicle fast charging gun (1), wherein a fast charging connector (11) is provided at the side end of the electric vehicle fast charging gun (1), and is characterized in that: The left side of the quick-charging connector (11) is sleeved with a protective cover (2), the right side of the protective cover (2) is fixed with a plug-in column (23), the inner cylindrical surface of the plug-in column (23) is bonded with a cleaning column (24), the inner cylindrical surface of the cleaning column (24) is wrapped and fitted with the copper terminal (13) in the groove of the quick-charging connector (11), the upper end of the protective cover (2) is connected to a telescopic plate (3) through a shaft connection block (21), and the right side of the telescopic plate (3) is penetrated and connected with a limiting ring block (4).

2. A fast charging electric vehicle charging connector according to claim 1, characterized in that: The lower end of the electric vehicle fast charging gun (1) is connected to the charging pile via a cable (12), and a limiting ring block (4) is sleeved and fixed on the surface of the electric vehicle fast charging gun (1).

3. A fast charging electric vehicle charging connector according to claim 1, characterized in that: A telescopic groove (41) is provided on the inner side of the upper end of the limiting ring block (4); the telescopic plate (3) passes through the telescopic groove (41); and a fixing column (31) is welded to the left end of the telescopic plate (3).

4. A fast charging electric vehicle charging connector according to claim 3, characterized in that: The surface of the fixed column (31) is sleeved with a shaft connection block (21), and the upper surface of the telescopic plate (3) is provided with a limiting groove (32); and the limiting groove (32) is limitedly moved inside the limiting ring block (4).

5. A fast charging electric vehicle charging connector according to claim 1, characterized in that: A sealing gasket (22) is pressed onto the right cover surface of the protective cover (2); the sealing gasket (22) is in contact with the side surface of the quick-charging connector (11); and a copper terminal (13) is distributed in the left slot of the quick-charging connector (11).

6. A fast charging electric vehicle charging connector according to claim 1, characterized in that: The plug-in posts (23) on the side of the protective cover (2) correspond to the distribution positions of the copper terminals (13) in the slots of the quick-charging connector (11).

7. A fast charging electric vehicle charging connector according to claim 1, characterized in that: The protective cover (2), the plug-in column (23), the cleaning column (24), the telescopic plate (3) and the limiting ring block (4) constitute an anti-oxidation structure of the quick-charging connector (11).

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