Charging socket with replaceable terminal

Abstract

The utility model discloses a charging socket with a replaceable terminal, which comprises a socket main body, a detachable shell, a DC terminal and a signal terminal, the detachable shell, the DC terminal and the signal terminal are arranged in the socket main body, and an accommodating space for accommodating and limiting the DC terminal and the signal terminal is formed on the detachable shell. The detachable housing is installed in the socket main body through housing screws so as to carry out side surface coating on the DC terminals and the signal terminals. The DC terminal is provided with a replaceable part and a fixed part which are detachably connected, so that the DC terminal is connected with the socket main body through the fixed part, and the replaceable part is arranged in the detachable shell, so that the replaceable part can be independently replaced. According to the utility model, the structure is simple, the sealing performance is good, and the DC terminal and the signal terminal can be conveniently and independently replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile charging socket technical field, specifically, it is a replaceable terminal charging socket. BACKGROUND

[0002] The charging socket for electric vehicles mainly realizes current transmission through the elastic contact of the terminal spring and the charging gun pin. Because it needs to be plugged in and out frequently, the terminal spring is a consumable part. After the spring of the conventional charging socket is damaged, the entire socket harness needs to be removed and replaced, which is difficult to operate and has high maintenance cost. For example, the existing solutions such as CN107895856A DC charging socket with quick-change terminal, CN214542643U charging socket for carrier, CN113629430A national standard DC socket with replaceable terminal, CN209298410U replaceable terminal, charging socket and electric vehicle can only realize quick replacement of the power terminal. When the signal jack is damaged, the entire charging socket harness still needs to be removed and replaced. Therefore, the existing structure cannot realize the separate replacement of the power terminal and the signal jack, which still brings great operation difficulty and maintenance cost to the maintenance of the charging socket. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a replaceable terminal charging socket to facilitate the replacement of DC terminals and signal terminals.

[0004] The utility model solves the above problems through the following technical scheme:

[0005] A replaceable terminal charging socket, comprising: a socket body, and a detachable shell, DC terminals and signal terminals arranged in the socket body, the detachable shell has a receiving space for accommodating and limiting the DC terminals and the signal terminals, and the detachable shell is installed in the socket body by a shell screw to cover the DC terminals and the signal terminals from the side.

[0006] The DC terminals have a replaceable part and a fixed part connected detachably, the fixed part is connected to the socket body, and the replaceable part is arranged in the detachable shell to facilitate the separate replacement of the replaceable part.

[0007] As a further improvement, the replaceable part is connected to the fixed part by a terminal screw.

[0008] As a further improvement, a sink screw hole is formed in the replaceable part, and one end of the terminal screw is threadedly connected to one end of the fixed part through the sink screw hole.

[0009] As a further improvement, the replaceable part is formed with a lip seal ring at one end close to the fixed part to seal the replaceable part and the socket body.

[0010] As a further improvement, the fixed part is formed with an annular groove to cooperate with a C-shaped ring arranged in the socket body to limit the installation of the fixed part.

[0011] As a further improvement, the tail of the signal terminal is inserted into the socket body, and the insertion position is provided with a sealing ring.

[0012] As a further improvement, the socket body is provided with a fixedly assembled PCB board, and the tail of the signal terminal is connected to the PCB board after being inserted into the socket body.

[0013] As a further improvement, the tail of the signal terminal is further provided with a deformable drum spring, and the drum spring is interference-fitted into a contact sleeve on the PCB board to realize the transmission of electrical signals.

[0014] As a further improvement, the PCB board is formed with a C-shaped opening for avoiding the DC terminal, and a plurality of contact sleeves are formed at one end of the signal terminal.

[0015] As a further improvement, the contact sleeve is made of metal material and is fixed to the PCB board by welding.

[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0017] The utility model has the advantages of simple structure, good sealing performance, and convenient replacement of the DC terminal and the signal terminal. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the utility model of a replaceable terminal charging socket.

[0019] Figure 2 It is a sectional view of the utility model of a replaceable terminal charging socket.

[0020] Figure 3 It is a structure schematic view of the utility model of a replaceable terminal charging socket.

[0021] Figure 4 It is a structure schematic view of the utility model of a replaceable terminal charging socket.

[0022] Reference numerals: 1. Housing screw; 2. Removable housing; 3. Terminal screw; 4. DC terminal; 41. Replaceable part; 42. Fixed part; 43. Lip seal; 44. Annular groove; 5. Signal terminal; 51. Drum spring; 6. Socket body; 7. PCB board; 71. Contact sleeve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example

[0025] Combined with appendix Figures 1-4 As shown, a charging socket with replaceable terminals includes: a socket body 6, and a detachable housing 2, a DC terminal 4 and a signal terminal 5 disposed in the socket body 6. The detachable housing 2 has a receiving space that accommodates and limits the DC terminal 4 and the signal terminal 5. The detachable housing 2 is installed in the socket body 6 by housing screws 1 to cover the DC terminal 4 and the signal terminal 5 on the side.

[0026] The DC terminal 4 has a detachably connected replaceable part 41 and a fixed part 42, which are connected to the socket body 6 via the fixed part 42. The replaceable part 41 is located inside the detachable housing 2 so that the replaceable part can be replaced individually.

[0027] In a further technical solution, the replaceable part 41 is connected to the fixed part 42 via terminal screws 3, and the fixed part 42 is fixed to the socket body 6 via retaining rings; the socket body 6 has a fixedly assembled PCB board 7, and the signal terminal 5 has a deformable drum spring 51 at its tail. The drum spring is interference-fitted into the contact sleeve 71 on the PCB board 7 to realize the transmission of electrical signals; the detachable housing 2 is fixed to the socket body 6 via housing screws 1; when it is necessary to replace the terminal, unscrew the housing screws 1, take out the detachable housing 2, and the signal terminal 5 can be removed, and unscrew the terminal screws 3 to remove the replaceable part of the DC terminal 4.

[0028] Specifically, the replaceable part 41 is formed with a sunken screw hole, through which the terminal screw 3 is screwed with the screw hole at one end of the fixed part 42, so as to assemble the replaceable part 41 and the fixed part 42; the replaceable part 41 is formed with a lip seal ring 43 at one end close to the fixed part 42, so as to seal the replaceable part 41 and the socket body 6; the fixed part 42 is formed with an annular groove 44, so as to be matched with the C-shaped ring arranged in the socket body 6, and the fixed part 42 and the whole replaceable part 41 are limited and installed.

[0029] The signal terminal 5 is inserted into the socket body 6 at one end, and the insertion site is provided with a seal ring; and the end of the inserted end is connected with the PCB board 7 in the socket body 6.

[0030] The replaceable shell 2 is formed with a containing space for containing and limiting the DC terminal 4 and the signal terminal 5, so that when the replaceable shell 2 is installed in the socket body 6 through the shell screw 1, the outer end of the DC terminal 4 and the signal terminal 5, i.e. the end not in contact with the socket body 6, is contained and limited, and the connection with other components is not affected.

[0031] Preferably, the PCB board 7 is formed with a C-shaped opening for avoiding the DC terminal 4, and is formed with a plurality of contact sleeves 71 at one end facing the signal terminal 5; in the embodiment, the contact sleeves are made of metal material and are fixed on the PCB board by welding.

[0032] The tail of the signal terminal 5 is connected with the PCB board 7 after being inserted into the socket body 6. The signal terminal 5 is formed with a drum-shaped spring 51 at one end matched with the contact sleeve 71, so as to be installed by the elastic deformation and close cooperation of the deformable drum-shaped spring 51 and the contact sleeve 71. In the embodiment, the drum-shaped spring 51 is in the shape of a lantern.

[0033] Although the utility model has been described with reference to the explanatory embodiments thereof, the above-mentioned embodiments are only the preferred embodiments of the utility model, and the embodiments of the utility model are not limited by the above-mentioned embodiments, and it should be understood that the person skilled in the art can design many other modifications and embodiments, which will fall within the scope and spirit of the disclosure of the present application.

Claims

1. A charging socket with replaceable terminals, characterized in that, include: The socket body, and a detachable housing, DC terminal and signal terminal disposed within the socket body, wherein the detachable housing has a receiving space that accommodates and limits the DC terminal and signal terminal, and the detachable housing is installed in the socket body by housing screws to cover the DC terminal and signal terminal on the side. The DC terminal has a detachable and replaceable part and a fixed part, which are connected to the socket body through the fixed part. The replaceable part is located in the detachable housing so that the replaceable part can be replaced individually.

2. The charging socket with replaceable terminals according to claim 1, characterized in that, The replaceable part is connected to the fixed part by terminal screws.

3. A charging socket with replaceable terminals according to claim 2, characterized in that, The replaceable part has a countersunk screw hole, through which one end of the terminal screw passes and is threaded to one end of the fixed part.

4. A charging socket with replaceable terminals according to claim 1, characterized in that, A lip sealing ring is formed on the outer side of the replaceable part near the fixed part to seal the space between the replaceable part and the socket body.

5. A charging socket with replaceable terminals according to claim 1, characterized in that, The fixed part has an annular groove formed on its outside, so as to cooperate with the C-shaped retaining ring set in the socket body to limit the installation of the fixed part.

6. A charging socket with replaceable terminals according to any one of claims 1-5, characterized in that, The tail of the signal terminal is inserted into the socket body, and a sealing ring is provided at the insertion position.

7. A charging socket with replaceable terminals according to claim 6, characterized in that, The socket body has a fixedly assembled PCB board inside, and the signal terminal is connected to the PCB board after being plugged into the socket body.

8. A charging socket with replaceable terminals according to claim 7, characterized in that, The signal terminal is also equipped with a deformable drum-shaped spring at its tail end. The drum-shaped spring is interference-fitted into the contact sleeve on the PCB board to realize the transmission of electrical signals.

9. A charging socket with replaceable terminals according to claim 8, characterized in that, The PCB board has a C-shaped opening to avoid the DC terminal, and a number of contact sleeves are formed on the end facing the signal terminal.

10. A charging socket with replaceable terminals according to claim 9, characterized in that, The contact sleeve is made of metal and is fixed to the PCB board by welding.

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