Cover pulling type super-welding direct current socket for charging electric automobile

Abstract

The utility model relates to the technical field of direct-current sockets, in particular to a cover pulling type super-welding direct-current socket for charging an electric automobile, which comprises a super-welding shell and a cover pulling shell which are connected in a clamping manner, an integrated PCB (printed circuit board) is mounted in the cover pulling shell, a plurality of signal terminals, DC terminals and PE terminals are mounted on the integrated PCB, and the signal terminals, the DC terminals and the PE terminals are connected with the super-welding shell and the cover pulling shell in a clamping manner. One end of the DC terminal is located in the super-welding shell, the end part of the DC terminal is square, the outer end of the DC terminal is connected with a square wire, and the square wire is fixed in the super-welding shell; mounting holes are formed in the four corners of the outer end of the pulling cover shell, a drainage hole is formed in the bottom of the pulling cover shell, and a pulling cover is arranged at the outer end of the pulling cover shell. Parts of the socket are respectively installed in the super-welding shell and the pulling cover shell, the super-welding shell and the pulling cover shell which are arranged in a pulling and inserting mode can facilitate assembly of the socket, the original split wiring harness assembly is replaced by the pulling and inserting type assembly, rapid installation is achieved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of direct current sockets, in particular to a pull-out cover type super-welded direct current socket for charging electric vehicles. Background Art

[0002] The car charging socket is an interface used to provide power input for electric vehicles or hybrid vehicles. It has different types and standards, such as common AC charging sockets and DC fast charging sockets (such as CCS sockets, CHAdeMO sockets, etc.). A high-quality car charging socket should have good conductivity, safety, durability and protection performance to ensure that the charging process is stable and reliable, while protecting the safety of vehicles and users.

[0003] At present, the internal wires of the automotive DC charging socket are mostly plug-in settings, which can facilitate the installation and removal of the wires. However, the plug-in wires are only suitable for currents below 250A. When the current is above 250A, the diameter of the wire needs to be increased. However, too large a wire diameter will result in insufficient installation space inside the car. Therefore, we propose a pull-out cover super-welded DC socket for electric vehicle charging to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the plug-in type wire in the prior art is only suitable for currents below 250A. When the current is above 250A, the diameter of the wire needs to be increased, and too large a diameter of the wire will lead to insufficient installation space inside the car. A pull-out cover super-welded DC socket for charging an electric vehicle is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pull-out cover type super-welded DC socket for charging an electric vehicle, comprising a super-welded housing and a pull-out cover housing connected by a snap connection, an integrated PCB board is installed inside the pull-out cover housing, a plurality of signal terminals, a DC terminal and a PE terminal are installed on the integrated PCB board, one end of the DC terminal is located in the super-welded housing and its end is arranged in a square shape, and the outer end of the DC terminal is connected to a square wire, and the square wire is fixed in the super-welded housing;

[0007] The four corners of the outer end of the pull-cover shell are all provided with mounting holes, the bottom of the pull-cover shell is provided with a drainage hole, and the outer end of the pull-cover shell is provided with a pull-cover.

[0008] As a preferred technical solution of the utility model, the integrated PCB board is provided with a transfer spring sheet compatible with the signal terminal, DC terminal and PE terminal. The signal terminal, DC terminal and PE terminal are all inserted in the transfer spring sheet, and the tail end of the signal terminal is connected with a socket terminal. The outer end of the socket terminal is provided with a signal plug, and the signal plug is fixed on the super-welded shell to facilitate the connection of the external circuit.

[0009] As a preferred technical solution of the utility model, a flange gasket is provided on the outer end surface of the pull-cover housing, and through holes matching the mounting holes on the pull-cover housing are opened at the four corners of the flange gasket. The strength of the outer end of the pull-cover housing is increased by providing the flange gasket, so that the outer end of the pull-cover housing of the socket can be installed on the outer housing of the car, and can also be installed inside the car.

[0010] As a preferred technical solution of the utility model, a socket is provided at the outer end of the plug cover housing, the plug cover is clamped in the socket, and a rubber ring is provided on the inner wall of the socket to improve the sealing performance after the plug cover and the plug cover housing are connected.

[0011] As a preferred technical solution of the utility model, a handle is provided at the outer end of the pull cover, and a connecting strip connected to the car is installed on one side of the pull cover.

[0012] As a preferred technical solution of the utility model, the signal terminal, DC terminal and PE terminal are all provided with waterproof rings, which cooperate with the pull-out cover shell for sealing. By replacing the large waterproof rubber in the current structure with multiple small waterproof rings which are installed separately, the waterproof rings are retracted, thereby improving the waterproof effect and facilitating its assembly.

[0013] The beneficial effects of the utility model are:

[0014] The device installs the parts of the socket into the super-welded shell and the unplugged cover shell respectively, and the super-welded shell and the unplugged cover shell are arranged in a plug-in manner to facilitate the assembly of the socket. The original split wiring harness assembly is now assembled by plug-in assembly to achieve rapid installation and improve production efficiency. At the same time, by arranging wires and DC terminals with square ends at their ends, the size of the adaptable current is increased through the contact between square surfaces, and the required assembly space is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a pull-out cover type super-welded DC socket for charging electric vehicles proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of the inner wall of the pull-out cover housing in a pull-out cover type super-welded DC socket for charging an electric vehicle proposed by the utility model;

[0017] Figure 3 This is a structural schematic diagram of the connection between the DC terminal and the square wire in a pull-out super-welded DC socket for charging an electric vehicle proposed by the utility model;

[0018] Figure 4 This is a schematic structural diagram of a cross-sectional view of a pull-out cover type super-welded DC socket for charging an electric vehicle proposed by the utility model;

[0019] Figure 5 The utility model provides a schematic structural diagram of the installation of signal terminals, DC terminals and PE terminals in a pull-out super-welded DC socket for charging electric vehicles.

[0020] In the figure: 1. Super-welded shell; 2. Pull-out cover shell; 3. Pull-out socket; 4. Flange gasket; 5. Pull-out cover; 6. Mounting hole; 7. Connecting strip; 8. Drain hole; 9. Signal terminal; 10. DC terminal; 11. PE terminal; 12. Integrated PCB board; 121. Transfer spring; 13. Socket terminal; 14. Signal plug; 15. Square wire. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-5 , a pull-out cover type super-welded DC socket for charging an electric vehicle, comprising a super-welded housing 1 and a pull-out cover housing 2 connected by a card connection, an integrated PCB board 12 is installed inside the pull-out cover housing 2, a plurality of signal terminals 9, DC terminals 10 and PE terminals 11 are installed on the integrated PCB board 12, a transfer spring sheet 121 adapted to the signal terminal 9, the DC terminal 10 and the PE terminal 11 is arranged on the integrated PCB board 12, the signal terminal 9, the DC terminal 10 and the PE terminal 11 are all inserted in the transfer spring sheet 121, and the tail end of the signal terminal 9 is connected to the socket terminal 13, the outer end of the socket terminal 13 is provided with a signal plug 14, the signal plug 14 is fixed on the super-welded housing 1, and is convenient for connecting an external circuit, one end of the DC terminal 10 is located in the super-welded housing 1 and its end is arranged in a square shape, and the outer end of the DC terminal 10 is connected to a square wire 15, and the square wire 15 is fixed in the super-welded housing 1;

[0023] Among them, the signal terminal 9, the DC terminal 10 and the PE terminal 11 are all sleeved with waterproof rings, which cooperate with the cover housing 2 for sealing. By replacing the large waterproof rubber in the current structure with multiple small waterproof rings for installation respectively, the waterproof rings are retracted, which improves the waterproof effect and facilitates its assembly;

[0024] Mounting holes 6 are provided at the four corners of the outer end of the pull-out cover housing 2, and stainless steel bolt pads are provided in the mounting holes 6. A drainage hole 8 is provided at the bottom of the pull-out cover housing 2, and the drainage hole 8 is used to discharge rainwater entering the pull-out cover housing 2. A pull-out cover 5 is provided at the outer end of the pull-out cover housing 2, and the pull-out cover 5 is used to protect the outer ends of the signal terminal 9, the DC terminal 10 and the PE terminal 11.

[0025] Secondly, a flange gasket 4 is provided on the outer end surface of the pull cover housing 2, and through holes compatible with the mounting holes 6 on the pull cover housing 2 are opened at the four corners of the flange gasket 4. The strength of the outer end of the pull cover housing 2 is increased by arranging the flange gasket 4, so that the outer end of the pull cover housing 2 of the socket can be installed on the outer shell of the car or inside the car. The outer end of the pull cover housing 2 is provided with a pull socket 3, the pull cover 5 is snap-fitted into the pull socket 3, and a rubber ring is provided on the inner wall of the pull socket 3 to improve the sealing performance of the pull cover 5 after being connected to the pull cover housing 2. The outer end of the pull cover 5 is provided with a pull handle, and a connecting strip 7 connected to the car is installed on one side of the pull cover 5.

[0026] In this embodiment: by pre-installing the electronic components into the super-welded housing 1 and the uncapped housing 2 respectively, the super-welded housing 1 and the uncapped housing 2 are snap-connected again, so that the internal signal terminal 9 is connected to the socket terminal 13, the DC terminal 10 is connected to the square wire 15, and finally the signal plug 14 is assembled to the socket terminal 13 to complete the electrical connection with the integrated PCB board 12, so that the socket is assembled. The signal part in the socket adopts a stamping buckle conductive connection, and the original fixed structure is applied to the conductive connection, which greatly saves costs. At the same time, the original split wiring harness assembly now uses a pressure plate buckle structure to achieve rapid installation, automatic production, and save assembly time;

[0027] The outer end of the connecting strip 7 is connected to an external vehicle. When the plug cover 5 is pulled out, the plug cover 5 is suspended by the connecting strip 7 .

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pull-out cover type super-welded DC socket for charging an electric vehicle, comprising a super-welded housing (1) and a pull-out cover housing (2) connected by a snap connection, characterized in that: An integrated PCB board (12) is installed inside the cover removal housing (2), and a plurality of signal terminals (9), a DC terminal (10) and a PE terminal (11) are installed on the integrated PCB board (12); one end of the DC terminal (10) is located in the super-welding housing (1) and its end is arranged in a square shape; and the outer end of the DC terminal (10) is connected to a square wire (15), and the square wire (15) is fixed in the super-welding housing (1); The four corners of the outer end of the cover-pulling shell (2) are provided with mounting holes (6), the bottom of the cover-pulling shell (2) is provided with a drainage hole (8), and the outer end of the cover-pulling shell (2) is provided with a pull-out cover (5).

2. A pull-out type super-welded DC socket for charging electric vehicles according to claim 1, characterized in that: The integrated PCB board (12) is provided with a transfer spring sheet (121) adapted to the signal terminal (9), the DC terminal (10) and the PE terminal (11); the signal terminal (9), the DC terminal (10) and the PE terminal (11) are all inserted into the transfer spring sheet (121); the tail end of the signal terminal (9) is connected to a socket terminal (13); the outer end of the socket terminal (13) is provided with a signal plug (14); and the signal plug (14) is fixed on the super welding housing (1).

3. A pull-out type super-welded DC socket for charging electric vehicles according to claim 1, characterized in that: A flange gasket (4) is arranged on the outer end surface of the pull-out cover housing (2), and through holes matching the mounting holes (6) on the pull-out cover housing (2) are opened at the four corners of the flange gasket (4).

4. A pull-out type super-welded DC socket for charging electric vehicles according to claim 3, characterized in that: The outer end of the plug-out cover housing (2) is provided with a plug-out socket (3), the plug-out cover (5) is clamped in the plug-out socket (3), and a rubber ring is provided on the inner wall of the plug-out socket (3).

5. A pull-out type super-welded DC socket for charging electric vehicles according to claim 4, characterized in that: The outer end of the pull cover (5) is provided with a pull handle, and a connecting strip (7) connected to the car is installed on one side of the pull cover (5).

6. A pull-out type super-welded DC socket for charging electric vehicles according to claim 1, characterized in that The signal terminal (9), the DC terminal (10) and the PE terminal (11) are all provided with waterproof rings, which cooperate with the cover shell (2) to seal.

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