Quick clamping structure for charging plug of new energy automobile

By designing the fast clamping structure of the charging plug for new energy vehicles and using the clamping connection between the locking slot and the locking pin, the problem of unsolid connection and easy falling off of the charging plug is solved, and the charging efficiency and safety are improved.

CN222995931UActive Publication Date: 2025-06-17CHANGJIANG INST OF TECH
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Patent Information

Application Number
CN202421776700.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-06-17
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The existing charging plug and charging interface connection method of new energy vehicles are complicated to operate, the connection is not firm, and it is easy to fall off, which affects charging efficiency and safety.

Method used

A new energy vehicle charging plug fast-tracking structure is designed, including a charging gun and a charging interface. A locking slot is provided on the top of the charging interface, and an L-shaped cavity and a locking pin are provided inside the charging gun. The locking pin is driven downward by pushing the keys, and it is automatically reset after the charging gun is inserted into the charging interface to achieve a snap connection.

Benefits of technology

This structure ensures a stable connection between the charging gun and the charging interface by adding a locking structure, effectively prevents falling off, and improves charging efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a new energy automobile charging plug rapid clamping structure, which comprises a charging gun and a charging interface, the inner top of the charging interface is provided with a locking groove, the interior of the charging gun is provided with an L-shaped inner cavity, one port of the inner cavity extends to the outer surface of the charging gun, and the other port of the inner cavity extends to the outer surface of the charging gun. According to the rapid clamping structure for the charging plug of the new energy automobile, in the connecting process of the charging gun and the charging interface, the key is manually pressed firstly, the key drives the locking pin to move downwards through the connecting plate, the locking pin is locked through the locking pin, the locking pin is locked through the locking pin, and the locking pin is locked through the locking pin; after the charging gun is inserted into the charging interface, the key is loosened, and the locking pin can be reset under the elastic action of the spring, so that the locking pin and the locking groove formed in the charging interface are in clamped connection, a locking structure can be additionally arranged for connection of the charging gun and the charging interface, stable connection of the charging gun and the charging interface is ensured, and falling off is effectively prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicles, in particular to a quick clamping structure for a charging plug of a new energy vehicle. Background Art

[0002] New energy vehicles in a broad sense, also known as alternative fuel vehicles, include pure electric vehicles, fuel cell electric vehicles and other vehicles that use all non-petroleum fuels, as well as hybrid electric vehicles, ethanol gasoline vehicles and other vehicles that partially use non-petroleum fuels. With the popularization of new energy vehicles, the demand for charging equipment is growing.

[0003] The existing connection method between the charging plug and the charging interface has problems such as cumbersome operation, loose connection, and easy falling off, which seriously affects the charging efficiency and safety. For this reason, we propose a quick clamping structure for the new energy vehicle charging plug. Utility Model Content

[0004] The purpose of the utility model is to provide a quick-connect structure for a charging plug of a new energy vehicle, so as to solve the problems of complicated operation, loose connection, easy falling off, etc. in the connection method between the charging plug and the charging interface proposed in the above-mentioned background technology, which seriously affects the charging efficiency and safety.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a quick-connect structure for a new energy vehicle charging plug, comprising a charging gun and a charging interface, a locking groove being provided at the inner top of the charging interface, an inner cavity being provided inside the charging gun, and the inner cavity being L-shaped and a port of the inner cavity extending to the outer surface of the charging gun, a button being provided on the outer surface of the charging gun at the port of the inner cavity, a connecting plate being fixedly installed on the bottom of the button, and the connecting plate being L-shaped and being closely connected to the inner cavity, a locking pin being fixedly installed on the other end of the connecting plate, and the locking pin passing through the surface of the charging gun, and being snap-connected to the locking groove.

[0006] Preferably, a limiting groove is extended on one side of the inner cavity, a limiting block is fixedly installed on one side of the connecting plate, and the limiting block is slidably connected along the inner wall of the limiting groove.

[0007] Preferably, a first spring is fixedly connected to the lower end surface of the connecting plate located in the middle of the inner cavity, and a second spring is fixedly connected to the other lower end surface of the connecting plate.

[0008] Preferably, two sets of positioning grooves are provided in parallel on the inner top of the charging interface, and two sets of positioning pieces are fixedly mounted on the upper end surface of the charging gun, and the positioning pieces are connected to the positioning grooves in a corresponding sliding engagement manner.

[0009] Preferably, a movable seat is fixedly installed on one side of the charging interface, a cover plate is rotatably connected to the middle part of the movable seat, a card slot is provided on the outer surface of the cover plate, and a spring shaft is fixedly installed on the other side of the charging interface, a buckle is rotatably connected to the middle part of the spring shaft, and the buckle is correspondingly engaged with the card slot.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] During the connection process of the charging gun and the charging interface of the new energy vehicle charging plug quick-connect structure, the button is first pressed manually, and the button drives the locking pin to move downward through the connecting plate. After the charging gun is inserted into the charging interface, the button is released, and the locking pin can be reset under the elastic action of the spring, so that the locking pin and the locking groove provided in the charging interface can be snap-connected, thereby adding a locking structure to the connection between the charging gun and the charging interface, ensuring a stable connection between the two and effectively preventing them from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the connection structure between the charging gun and the charging interface of the utility model;

[0014] Figure 3 This is a schematic diagram of the positioning member and positioning groove structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the locking structure of the utility model.

[0016] In the figure: 1. Charging gun; 2. Charging interface; 3. Movable seat; 4. Cover plate; 5. Card slot; 6. Spring shaft; 7. Buckle; 8. Positioning slot; 9. Positioning piece; 10. Locking slot; 11. Inner cavity; 12. Limiting slot; 13. Button; 14. Connecting plate; 15. Limiting block; 16. Locking pin; 17. First spring; 18. Second spring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4The utility model provides a technical solution: a new energy vehicle charging plug quick-connect structure, including a charging gun 1 and a charging interface 2, a locking groove 10 is provided on the inner top of the charging interface 2, an inner cavity 11 is provided inside the charging gun 1, and the inner cavity 11 is L-shaped and one end of the inner cavity 11 extends to the outer surface of the charging gun 1, a button 13 is provided on the outer surface of the charging gun 1 and at the end of the inner cavity 11, a connecting plate 14 is fixedly installed on the bottom of the button 13, and the connecting plate 14 is L-shaped and is closely connected to the inner cavity 11, a locking pin 16 is fixedly installed on the other end of the connecting plate 14, and the locking pin 16 passes through the surface of the charging gun 1, and the locking pin 16 is snap-connected to the locking groove 10.

[0019] During the connection between the charging gun 1 and the charging interface 2, the button 13 is first pressed manually, and the button 13 drives the locking pin 16 to move downward through the connecting plate 14. After the charging gun 1 is inserted into the charging interface 2, the button 13 is released, and the locking pin 16 can be reset under the elastic action of the spring, so that the locking pin 16 and the locking groove 10 opened in the charging interface 2 are snap-connected, thereby adding a locking structure to the connection between the charging gun 1 and the charging interface 2, ensuring a stable connection between the two and effectively preventing them from falling off.

[0020] Furthermore, a limiting groove 12 is extended on one side of the inner cavity 11, and a limiting block 15 is fixedly installed on one side of the connecting plate 14, and the limiting block 15 is slidably connected along the inner wall of the limiting groove 12. The limiting groove 12 and the limiting block 15 extend on the inner cavity 11 and the connecting plate 14. During the up and down movement of the connecting plate 14, the limiting block 15 moves along the inner wall of the limiting groove 12, which can increase a certain limiting effect for the connecting plate 14 and further increase stability.

[0021] Furthermore, a first spring 17 is fixedly connected to the lower end surface of the connecting plate 14 and located in the middle of the inner cavity 11, and a second spring 18 is fixedly connected to the other lower end surface of the connecting plate 14. The first spring 17 and the second spring 18 are installed at the bottom of the connecting plate 14. The two groups of springs can provide elastic reset for the connecting plate 14, so that when the button 13 is released, the locking pin 16 can be automatically reset, thereby achieving a stable connection between the charging gun 1 and the charging interface 2.

[0022] Furthermore, two sets of positioning grooves 8 are opened in parallel on the inner top of the charging interface 2, and two sets of positioning parts 9 are fixedly installed on the upper end surface of the charging gun 1, and the positioning parts 9 are correspondingly slidably engaged with the positioning grooves 8. Before the charging gun 1 is inserted into the charging interface 2, by installing the two sets of positioning parts 9, the positioning parts 9 are slidably connected with the positioning grooves 8 opened on the inner top of the charging interface 2, which can realize accurate positioning of the charging gun 1, realize quick connection, and increase the tightness of the connection.

[0023] Furthermore, a movable seat 3 is fixedly installed on one side of the charging interface 2, and a cover plate 4 is rotatably connected to the middle part of the movable seat 3. A card slot 5 is provided on the outer surface of the cover plate 4, and a spring shaft 6 is fixedly installed on the other side of the charging interface 2. A buckle 7 is rotatably connected to the middle part of the spring shaft 6, and the buckle 7 is correspondingly engaged with the card slot 5. When not charging, the cover plate 4 is rotated to fit the surface of the charging interface 2, and then the buckle 7 is pressed to engage the buckle 7 in the card slot 5 provided on the cover plate 4, so as to fix the cover plate 4 and seal the charging interface 2, thereby preventing dust and water, so as to ensure effective charging and extend the service life.

[0024] Working principle: For this type of new energy vehicle charging plug quick-connect structure, push the buckle 7 out of the slot 5, rotate the cover 4 to reveal the charging interface 2, press the button 13 with your finger, insert the charging gun 1 into the charging interface 2 through the positioning piece 9 corresponding to the positioning slot 8 opened in the charging interface 2, release the button 13, and under the elastic action of the two sets of springs installed in the inner cavity 11 of the charging gun 1, the locking pin 16 can be reset and engaged with the locking slot 10 opened at the charging interface 2, which can add a locking structure to the connection between the charging gun 1 and the charging interface 2 to ensure a stable connection between the two and effectively prevent them from falling off. On the contrary, after charging, press the locking pin 16, pull out the charging gun 1, cover the cover 4, and fix it with the buckle 7, which can achieve a sealing effect on the charging interface 2, and can play a role in dust and water prevention, so as to ensure effective charging and extend the service life.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle charging plug quick-connect structure, comprising a charging gun (1) and a charging interface (2), characterized in that: The top of the charging interface (2) is provided with a locking groove (10); the interior of the charging gun (1) is provided with an inner cavity (11), and the inner cavity (11) is L-shaped and one end of the inner cavity (11) extends to the outer surface of the charging gun (1); the outer surface of the charging gun (1) and the end of the inner cavity (11) are provided with a button (13); the bottom of the button (13) is fixedly mounted with a connecting plate (14), and the connecting plate (14) is L-shaped and is closely connected to the inner cavity (11); the other end of the connecting plate (14) is fixedly mounted with a locking pin (16), and the locking pin (16) passes through the surface of the charging gun (1), and the locking pin (16) is snap-fitted to the locking groove (10).

2. The quick-connect structure for charging plug of new energy vehicle according to claim 1, characterized in that: A limiting groove (12) is extended from one side of the inner cavity (11), a limiting block (15) is fixedly installed on one side of the connecting plate (14), and the limiting block (15) is connected to the inner wall of the limiting groove (12) in a close fitting and sliding manner.

3. The quick-connect structure for charging plug of new energy vehicle according to claim 1, characterized in that: A first spring (17) is fixedly connected to the lower end surface of the connecting plate (14) and is located in the middle of the inner cavity (11), and a second spring (18) is fixedly connected to the other lower end surface of the connecting plate (14).

4. The quick-connect structure for charging plug of new energy vehicle according to claim 1, characterized in that: Two sets of positioning grooves (8) are arranged in parallel on the inner top of the charging interface (2), and two sets of positioning members (9) are fixedly installed on the upper end surface of the charging gun (1), and the positioning members (9) are connected to the positioning grooves (8) in a corresponding sliding engagement manner.

5. The quick-connect structure for charging plug of new energy vehicle according to claim 1, characterized in that: A movable seat (3) is fixedly mounted on one side of the charging interface (2), a cover plate (4) is rotatably connected to the middle of the movable seat (3), a slot (5) is provided on the outer surface of the cover plate (4), a spring shaft (6) is fixedly mounted on the other side of the charging interface (2), a buckle (7) is rotatably connected to the middle of the spring shaft (6), and the buckle (7) is correspondingly engaged with the slot (5).