Flip type crimping direct current socket for charging electric automobile

By designing a combined structure of the support part and the buckle plate on the charging socket of the electric vehicle, and combining the crimp connection between the jack and the power supply, the problem of wear of the charging socket is solved, extending the service life and improving stability and safety.

CN222851763UActive Publication Date: 2025-05-09CHANGZHOU ZHONGDIAN XINNENG ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202421783203.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-09
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

Electric vehicle charging sockets are prone to wear and tear during the charging gun insertion process, affecting their service life.

Method used

A flip-type crimped DC socket is designed, which adopts a combined structure of support and buckle plate to enhance the strength of the socket and is crimped to the power supply through the jack for easy disassembly and assembly and maintenance.

Benefits of technology

It effectively extends the service life of the socket, reduces friction between the charging gun and the socket, improves the stability and safety of the socket, and facilitates later maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a flip type crimping direct current socket for charging an electric automobile, which belongs to the technical field of electric automobile charging sockets, is used for being matched with a charging gun and a power supply to charge the electric automobile, and comprises a socket body, the socket body comprises an accommodating cavity, and a locking groove matched with the charging gun is arranged on the socket body. The socket body is provided with a supporting part used for supporting the locking groove, the supporting part is matched with the locking groove in shape, a clamping plate is arranged at the end, close to the opening of the containing cavity, of the supporting part, and the socket body is provided with a clamping groove used for allowing the clamping plate to be embedded. According to the technical scheme, under the condition that the structure of the socket body is not influenced, the strength of the socket body is effectively improved, and direct friction between the charging gun and the socket body is reduced, so that the abrasion of the socket body is reduced, and the service life of the socket body is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle charging sockets, in particular to a flip-cover crimping type DC socket for charging electric vehicles. Background Art

[0002] Electric vehicles are vehicles that use onboard power as a power source, use motors to drive wheels, and comply with various requirements of road traffic and safety regulations. With the gradual improvement of global environmental awareness, the popularity of electric vehicles is also gradually increasing. However, since electric vehicles need to be charged for energy replenishment, how to charge electric vehicles is currently an important issue and a major problem that hinders the popularization of electric vehicles.

[0003] When charging an electric vehicle, the charging gun needs to be connected to the charging socket. In order to ensure the connection strength between the charging gun and the charging socket, a locking groove is provided on the charging socket, and a locking block that cooperates with the locking groove is provided on the charging gun. The cooperation between the locking block and the locking groove prevents the charging gun from loosening relative to the charging socket during the charging process of the electric vehicle.

[0004] However, in actual use, it was found that during the process of plugging and unplugging the charging gun, the locking block would repeatedly rub the charging socket, causing the charging socket to easily wear, thereby affecting the service life of the charging socket. Utility Model Content

[0005] In order to extend the service life of the charging socket, the present application provides a flip-top crimping type DC socket for charging an electric vehicle.

[0006] The present application provides a flip-top crimping DC socket for charging an electric vehicle, which adopts the following technical solution:

[0007] A flip-top crimping DC socket for charging an electric vehicle is used to charge the electric vehicle in conjunction with a charging gun and a power source, and comprises a socket body, the socket body comprising an accommodating cavity, the socket body being provided with a locking groove that cooperates with the charging gun, and characterized in that the socket body is provided with a supporting portion for providing support for the locking groove, the supporting portion being adapted to the shape of the locking groove, a clamping plate being provided at one end of the supporting portion close to the opening of the accommodating cavity, and the socket body being provided with a clamping groove for the clamping plate to be engaged.

[0008] By adopting the above technical scheme, through the setting of the support part, the strength of the socket body can be effectively improved without affecting the structure of the socket body itself, and the service life of the socket body can be effectively extended; through the setting of the clamping plate, not only the contact area between the support part and the socket body is increased, thereby improving the connection strength between the support part and the socket body, but also the direct friction between the charging gun and the socket body is effectively reduced, thereby reducing the wear of the socket body and extending the service life of the socket body.

[0009] Preferably, a plurality of fixed arc plates are provided on the support portion, and a fixed arc groove for the fixed arc plates to be engaged is correspondingly provided on the inner wall of the locking groove.

[0010] By adopting the above technical solution, with the cooperation of the fixed arc plate and the fixed arc groove, the contact area between the support part and the socket body is further increased, thereby improving the connection strength between the support part and the socket body, making it difficult for the support part to separate from the socket body.

[0011] Preferably, it also includes an electrical connection terminal, which includes two DE terminals and one PE terminal. The electrical connection terminal is plugged into the charging gun, and the socket body is provided with an engaging sleeve for engaging the electrical connection terminal. The engaging sleeve is located in the accommodating cavity, and the end of the electrical connection terminal facing away from the opening of the accommodating cavity is provided with a socket that cooperates with the power supply.

[0012] By adopting the above technical solution and setting the jack, the DC socket and the power supply are fixed by crimping, which is convenient for disassembly and assembly of the DC socket, thereby facilitating the later inspection and maintenance of the DC socket when the DC socket fails.

[0013] Preferably, a socket torsion spring is provided in the electrical connection terminal.

[0014] By adopting the above technical solution and setting the socket torsion spring, mechanical damping can be provided for the DC socket, thereby reducing the shaking of the electrical connection terminal of the charging gun during the insertion or removal process, thereby enhancing the stability and safety of the DC socket.

[0015] Preferably, a flap is rotatably connected to the socket body, and the flap is used to control the connection and closure of the accommodating cavity with the outside world. A rotating shaft is rotatably connected to the socket body, a rotating through hole cooperating with the rotating shaft is provided on the flap, and a control torsion spring is sleeved on the rotating shaft for controlling the flap to rotate in a direction away from the socket body.

[0016] By adopting the above technical solution, the flip cover can provide protection for the DC socket when the DC socket is idle. By controlling the setting of the torsion spring, the flip cover can remain in an open state in the absence of other external forces, which makes it easy for the charging gun to be embedded in the socket body. During the charging process, the flip cover is not easy to collide with the charging gun, which makes it difficult for the charging gun to separate from the flip cover to a certain extent.

[0017] Preferably, a rubber pad is provided on the side of the flip cover facing the accommodating cavity.

[0018] By adopting the above technical solution and providing the rubber pad, when the flip cover is closed, foreign matter and water are not easy to enter the accommodating cavity to cause damage to the DC socket, thereby effectively protecting the DC socket.

[0019] Preferably, a hydrophobic hole is provided at the bottom of the socket body, and the hydrophobic hole is communicated with the accommodating cavity.

[0020] By adopting the above technical solution and providing the drain hole, if water accidentally enters the DC socket, it can be discharged from the drain hole, thereby further providing protection for the DC socket.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. Through the arrangement of the support part and the clamping plate, the strength of the socket body can be effectively improved without affecting the structure of the socket body itself, and the direct friction between the charging gun and the socket body can be reduced, thereby reducing the wear of the socket body and extending the service life of the socket body;

[0023] 2. The DC socket in the present application can be fixed to the power supply by crimping with the cooperation of the socket, which is convenient for disassembly and assembly of the DC socket, thereby facilitating the later inspection and maintenance of the DC socket when the DC socket fails. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0025] Figure 2 It is a cross-sectional view in an embodiment of the present application.

[0026] Figure 3 It is a schematic diagram of the overall structure from another perspective in an embodiment of the present application.

[0027] Explanation of the reference numerals: 1. socket body; 11. accommodating cavity; 12. locking groove; 13. snap-fit ​​groove; 14. socket torsion spring; 15. flip cover; 151. rotating shaft; 152. control torsion spring; 153. fixing groove; 154. rubber pad; 16. locking portion; 161. fixing block; 162. rotating torsion spring; 17. hydrophobic hole; 18. fitting sleeve; 181. logo; 2. supporting portion; 21. supporting plate; 22. connecting plate; 23. snap-fit ​​plate; 24. fixing arc plate; 3. electrical connection terminal; 31. DE terminal; 32. PE terminal; 33. jack; 4. tail cover; 41. waterproof ring. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-3 The utility model is described in further detail.

[0029] The present application embodiment discloses a flip-top crimping type DC socket for charging an electric vehicle, which is used to charge the electric vehicle in conjunction with a charging gun and a power supply. Figure 1 , including a socket body 1, the socket body 1 includes a accommodating cavity 11, one end of the accommodating cavity 11 passes through the socket body 1, and the top of the socket body 1 is provided with a locking groove 12 that cooperates with the charging gun. After the charging gun is embedded in the accommodating cavity 11, the components on the charging gun can cooperate with the locking groove 12 so that the charging gun is not easily separated from the socket body 1. The locking groove 12 is located at the top of the socket body 1, which is convenient for cleaning the debris entering the locking groove 12.

[0030] Reference Figure 1 and Figure 2 The socket body 1 is provided with a support portion 2 for providing support for the locking groove 12. In the actual production process, the support portion 2 can be fixed to the socket body 1 by pre-embedded means, and the shape of the support portion 2 and the locking groove 12 are adapted. The support portion 2 includes a support plate 21 fixed to the bottom of the locking groove 12, and the support plate 21 is integrally formed with connecting plates 22 at both ends along the depth direction of the accommodating cavity 11. The connecting plate 22 is arranged in an L shape, one end of the connecting plate 22 is fixed to the side wall of the locking groove 12, and the other end of the connecting plate 22 is embedded in the socket body 1. The support portion 2 is made of metal material. In the embodiment of the present application, the support portion 2 is made of stainless steel. Through the arrangement of the support portion 2, the strength of the socket body 1 can be effectively improved without affecting the structure of the socket body 1 itself, and the service life of the socket body 1 can be effectively extended.

[0031] Reference Figure 1 and Figure 2A snap-fitting plate 23 is integrally formed at one end of the support portion 2 close to the opening of the accommodating cavity 11, and a snap-fitting groove 13 for the snap-fitting plate 23 is provided on the socket body 1. The snap-fitting groove 13 and the opening of the accommodating cavity 11 are located on the same end wall of the socket body 1. The arrangement of the snap-fitting plate 23 increases the contact area between the support portion 2 and the socket body 1, thereby improving the connection strength between the support portion 2 and the socket body 1. In the process of connecting the charging gun and the socket body 1, the parts on the charging gun that cooperate with the locking groove 12 will rub against the snap-fitting plate 23, which effectively reduces the wear of the socket body 1 and extends the service life of the socket body 1.

[0032] Reference Figure 2 A plurality of fixed arc plates 24 are integrally formed on the support portion 2, and the number of the fixed arc plates 24 depends on the size of the support portion 2. In the embodiment of the present application, three fixed arc plates 24 are provided on one side of the support portion 2, wherein two fixed arc plates 24 are provided on the support plate 21, and the remaining fixed arc plate 24 is provided on the connecting plate 22. A fixed arc groove for the fixed arc plate 24 to be engaged is correspondingly provided on the inner wall of the locking groove 12. With the cooperation of the fixed arc plate 24 and the fixed arc groove, the contact area between the support portion 2 and the socket body 1 is further increased, thereby improving the connection strength between the support portion 2 and the socket body 1, so that the support portion 2 is not easily separated from the socket body 1.

[0033] Reference Figure 1 and Figure 3 A flip cover 15 is rotatably connected to the socket body 1, and the flip cover 15 is used to control the connection and closure of the accommodating chamber 11 with the outside world. The flip cover 15 can provide protection for the DC socket when the DC socket is idle; a rotating shaft 151 is rotatably connected to the socket body 1, and a rotating through hole matching the rotating shaft 151 is opened on the flip cover 15. A control torsion spring 152 for controlling the flip cover 15 to rotate in a direction away from the socket body 1 is sleeved on the rotating shaft 151. One end of the control torsion spring 152 is tightly pressed against the socket body 1, and the other end of the control torsion spring 152 is tightly pressed against the flip cover 15. Through the setting of the control torsion spring 152, in the absence of other external forces, the flip cover 15 can remain in an open state, which is convenient for the charging gun to be embedded in the socket body 1, and the flip cover 15 is not easy to collide with the charging gun during the charging process, which makes it difficult for the charging gun to be separated from the flip cover 15 to a certain extent.

[0034] Reference Figure 1The socket body 1 is provided with a locking portion 16 for locking the rotation of the flip cover 15, and the locking portion 16 is rotatably connected to the socket body 1. A fixing groove 153 is provided at one end of the flip cover 15 away from the accommodating chamber 11, and a fixing block 161 is provided on the locking portion 16 to cooperate with the fixing groove 153. When the flip cover 15 is rotated to close the accommodating chamber 11, the locking portion 16 can be rotated until the fixing block 161 is embedded in the fixing groove 153, so that a rotating torsion spring 162 for driving the locking portion 16 to rotate toward the accommodating chamber 11 is provided on the socket body 1. One end of the rotating torsion spring 162 is tightly pressed against the socket body 1, and the other end of the rotating torsion spring 162 is tightly pressed against the locking portion 16. Then, under the cooperation of the fixing block 161 on the locking portion 16 and the fixing groove 153 on the flip cover 15, the rotation of the flip cover 15 can be locked, so that the flip cover 15 can maintain the state of closing the accommodating chamber 11.

[0035] Reference Figure 1 and Figure 2 A rubber pad 154 is provided on the side of the flip cover 15 facing the accommodating chamber 11. Through the provision of the rubber pad 154, when the flip cover 15 is closed, foreign matter and water are not easy to enter the accommodating chamber 11 to cause damage to the DC socket, thereby effectively providing protection for the DC socket. In addition, a drain hole 17 is provided at the bottom of the socket body 1. The drain hole 17 is communicated with the accommodating chamber 11. Through the provision of the drain hole 17, if water accidentally enters the DC socket, it can be discharged from the drain hole 17, thereby further providing protection for the DC socket.

[0036] Reference Figure 1 and Figure 2 The flip-top crimping DC socket for charging electric vehicles in the present application also includes an electrical connection terminal 3, which includes two DE terminals 31 and one PE terminal 32. The electrical connection terminal 3 is plugged into the charging gun, and a fitting sleeve 18 for fitting the electrical connection terminal 3 is integrally formed on the socket body 1. The fitting sleeve 18 is located in the accommodating cavity 11, and a mark 181 is correspondingly provided on the fitting sleeve 18. The mark 181 is used to determine the type of the electrical connection terminal 3 to be fitted, which is convenient for the installation of the electrical connection terminal 3. The end of the electrical connection terminal 3 away from the opening of the accommodating cavity 11 is provided with a socket 33 that matches the power supply. Through the setting of the socket 33, the DC socket and the power supply are fixed by crimping, which is convenient for disassembly and assembly, thereby facilitating later inspection and maintenance.

[0037] Reference Figure 1 and Figure 2 A socket torsion spring 14 is provided in the electrical connection terminal 3. The socket torsion spring 14 is located at the end of the electrical connection terminal 3 that opens toward the accommodating cavity 11. The arrangement of the socket torsion spring 14 can provide mechanical damping for the DC socket, thereby reducing the shaking of the electrical connection terminal 3 during the insertion or removal of the charging gun, thereby enhancing the stability and safety of the DC socket.

[0038] Reference Figure 2 and Figure 3 The DC socket 1 also includes a tail cover 4 arranged on the side of the socket body 1 away from the flip cover 15. The tail cover 4 is fixed to the socket body 1 by snapping, which is convenient for disassembly, assembly and maintenance of the DC socket itself. The tail cover 4 is provided with a waterproof ring 41 corresponding to the electrical connection terminal 3. After the DC socket is connected to the power supply, the waterproof ring 41 makes it difficult for water to enter the socket body 1, thereby further improving the service life of the DC socket.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A clamshell crimping type DC socket for charging an electric vehicle, used for cooperating with a charging gun and a power source to charge the electric vehicle, comprising a socket body (1), the socket body (1) comprising a receiving cavity (11), the socket body (1) being provided with a locking groove (12) cooperating with the charging gun, characterized in that: The socket body (1) is provided with a support portion (2) for supporting the locking groove (12); the support portion (2) is adapted to the shape of the locking groove (12); a clamping plate (23) is provided at one end of the support portion (2) close to the opening of the accommodating cavity (11); and the socket body (1) is provided with a clamping groove (13) for the clamping plate (23) to be engaged.

2. The flip-top crimping type DC socket for charging electric vehicles according to claim 1, characterized in that: The support portion (2) is provided with a plurality of fixed arc plates (24), and the inner wall of the locking groove (12) is correspondingly provided with fixed arc grooves for the fixed arc plates (24) to be engaged.

3. The flip-top crimping type DC socket for charging an electric vehicle according to claim 2, characterized in that: It also includes an electrical connection terminal (3), the electrical connection terminal (3) includes two DE terminals (31) and one PE terminal (32), the electrical connection terminal (3) is plugged into and matched with the charging gun, the socket body (1) is provided with an engaging sleeve (18) for engaging the electrical connection terminal (3), the engaging sleeve (18) is located in the accommodating cavity (11), and the end of the electrical connection terminal (3) facing away from the opening of the accommodating cavity (11) is provided with a socket (33) that cooperates with the power source.

4. The flip-top crimping type DC socket for charging an electric vehicle according to claim 3, characterized in that: A socket torsion spring (14) is provided inside the electrical connection terminal (3).

5. The flip-top crimping type DC socket for charging electric vehicles according to claim 3, characterized in that: A flip cover (15) is rotatably connected to the socket body (1), and the flip cover (15) is used to control the connection and closure between the accommodating cavity (11) and the outside. A rotating shaft (151) is rotatably connected to the socket body (1), and a rotating through hole cooperating with the rotating shaft (151) is provided on the flip cover (15). A control torsion spring (152) for controlling the flip cover (15) to rotate in a direction away from the socket body (1) is sleeved on the rotating shaft (151).

6. The flip-top crimping type DC socket for charging an electric vehicle according to claim 5, characterized in that: A rubber pad (154) is provided on one side of the flip cover (15) facing the accommodating cavity (11).

7. The flip-top crimping type DC socket for charging an electric vehicle according to claim 5, characterized in that: A hydrophobic hole (17) is provided at the bottom of the socket body (1), and the hydrophobic hole (17) is communicated with the accommodating cavity (11).