TWM612275U - Electrical connector - Google Patents

Abstract

An electrical connector includes a socket, a plug and a locking component. The socket includes a socket case having a fixing groove disposed at the outer surface and a socket terminal configured in the socket case. The plug includes a plug case having a locking hole, a containing space configured for containing the socket case and a plug terminal configured in the containing space. The locking component is disposed at the locking hole and configured for moving in the locking hole. When the plug is connected to the socket, the socket terminal is inserted into the plug terminal, so that the socket case is located between the plug case and the plug terminal and the fixing groove is corresponding to the locking hole. Then, the locking component is moved toward the plug terminal and attached to the fixing groove to lock the plug and the socket.

Description

Electrical connector

This creation is about an electrical connector, especially an electrical connector that can prevent the plug and socket from falling off by means of a lock.

Electrical connectors refer to connecting components and accessories used for electronic signals. Cables and electrical connectors are used to convert and transmit signals between electronic devices. In other words, electrical connectors are also a bridge between signals. Electrical connectors are widely used in automotive and computer peripheral applications, communication data applications, industry, military aerospace, transportation, consumer electronics, medical treatment, instruments, commercial equipment, etc., and therefore play an important role in a variety of fields.

Radio frequency coaxial connectors (PAL connectors) are one of the commonly used types of electrical connectors, and are also used in electronic control modules (MCU), motors, batteries, vehicle chargers, etc. The PAL connector is also often used in the equipment of energy storage power stations. Since the energy storage cabinet of the energy storage power station has a better volume utilization rate, the electrical connector has been more widely used in the energy storage cabinet. The main components contained in the energy storage cabinet are power electronic devices such as batteries, inverters, and cables. Generally speaking, the batteries of the energy storage cabinet need to be grouped into battery modules, and multiple battery modules are combined by electrical connectors to form an energy storage system. However, in this era when the signal transmission speed continues to develop towards high-speed development, people have put forward more requirements on the volume and energy density of the energy storage cabinet. Therefore, connect each The demand for electrical connectors of battery modules is constantly increasing.

The electrical connector usually includes a plug and a matching socket, and the plug and the socket are plugged into each other to realize the electrical connection of the electronic product. In the connection mode of the PAL connector, the shell and the pin of the socket are clamped in the shell of the plug, and then the plug is connected and fixed to the socket. However, the general PAL connector does not have a reliable locking device, and when the connected PAL connector is pulled, twisted or vibrated to a certain extent, it may cause the plug to fall off from the socket, making the electrical connector Inability to operate, thereby reducing the efficiency of the electrical connector. If the connector plug comes off and touches other components and generates a short circuit, the electrical connector may generate sparks, which will reduce the safety of the device.

Therefore, there is a need for an electrical connector to prevent the plug and the socket from falling off, so as to improve the safety and efficiency of the electrical connector.

In view of this, the present creation is to provide an electrical connector, which is applied to a power storage device. The electrical connector includes a socket, a plug and a lock fastener. The socket includes a socket shell and a socket terminal. The outer surface of the socket housing has a fixing groove, and the socket terminals are arranged in the socket housing. The plug is matched and used to connect to the socket, and includes a plug shell and a plug terminal. The plug housing has an accommodating space and a locking hole communicating with the accommodating space, and the accommodating space is used for accommodating the socket housing of the socket. The plug terminal includes a first plug terminal and a second plug terminal. The first plug terminal has an axis and is arranged in the accommodating space, and the second plug terminal is vertically coupled to the first plug terminal. The locking member is arranged in the locking hole of the plug housing and used for moving in the locking hole. When the plug is connected to the socket, the socket terminal is inserted into the first plug terminal along the axis direction, so that the socket housing is located between the plug housing and the first plug terminal and the fixing groove corresponds to the locking hole. Then, the locking piece is perpendicular to The axis moves in the direction of the axis and engages in the fixing groove of the socket, so that the plug is locked on the socket.

Wherein, the plug housing has a sleeve structure located in the accommodating space and sleeves the first plug terminal. When the plug is connected to the socket, the socket shell is located between the plug shell and the sleeve structure.

Further, the plug includes a back cover connected to the socket housing and is perpendicular to the first plug terminal. The second plug terminal is arranged in the back cover.

Wherein, the first plug terminal and the second plug terminal are integrally formed.

In a specific embodiment, the first plug terminal includes a protruding structure, and the second plug terminal includes a hole. The size of the protrusion structure is larger than the size of the hole, and the protrusion structure is riveted to the hole.

Among them, the plug includes a cylindrical contact terminal. The contact terminal is arranged in the first plug terminal and contacts the first plug terminal. When the socket is connected to the plug, the socket terminal of the socket contacts the contact terminal, so that the socket terminal and the first plug terminal are electrically connected.

Further, the contact terminal has two fixed end portions and an elastic portion located between the two fixed end portions. When the socket is connected to the plug, the elastic part presses against the socket terminal of the socket with an elastic force.

Wherein, the locking member has a locking structure, and the hole wall of the locking hole has a corresponding locking structure and a first locking groove and a second locking groove arranged in a direction perpendicular to the axis. The second locking groove is located on a side adjacent to the first plug terminal. When the locking structure is located in the second locking groove, the locking member is locked in the fixing groove of the socket.

Wherein, the extending direction of the locking hole and the direction of the axis of the first plug terminal are perpendicular to each other.

Wherein, the shape of the locking member corresponds to the shape of the fixing groove of the socket.

In summary, the electrical connector of this creation can be perpendicular to the socket and The movement of the plug connection direction fixes the socket and the plug, so as to improve the safety and efficiency of the electrical connector. In addition, the electrical connector of the present invention can prevent the plug terminal from being deformed due to compression during installation through the sleeve structure of the socket housing, thereby improving the installation efficiency. Furthermore, the electrical connector of the present invention can clamp the plug terminal of the socket by the contact terminal, so as to improve the stability. In addition, the electrical connector of the invention can produce plug terminals in different processes, which not only saves costs but also improves stability.

1: Electrical connector

11: Socket

111: socket housing

1111: fixed plate

1112: cylindrical structure

112: Socket terminal

113: fixed groove

114: gasket

115: Insulating member

12: Plug

121: plug shell

1211: accommodating space

1212: Locking hole

1213: hole wall

1213A: The first locking groove

1213B: The second locking groove

1214: sleeve structure

122, 222: plug terminal

1221, 2221: first plug terminal

1222, 2222: second plug terminal

1223: Axis

123: back cover

124: Contact terminal

1241: fixed end

1242: elastic part

13: lock fastener

131: Locking structure

132: Embedded end

2223: protruding structure

2224: hole

FIG. 1 is a schematic diagram showing the structure of an electrical connector before connection according to a specific embodiment of the invention.

Figure 2 is an exploded view of the socket of Figure 1;

Fig. 3 is an exploded view of the plug and the locking member of Fig. 1;

Fig. 4 is a cross-sectional view of the plug and the locking member of Fig. 1;

FIG. 5 is a cross-sectional view of a structure in which the locking member of the electrical connector is not engaged with the fixing groove according to a specific embodiment of the invention.

FIG. 6 is a cross-sectional view showing the structure of the locking member of the electrical connector engaged with the fixing groove.

Fig. 7 is an exploded view of a plug terminal according to a specific embodiment of the invention.

In order to make the advantages, spirit and characteristics of this creation easier and clearer to understand, the following will be detailed and discussed with specific embodiments and with reference to the accompanying drawings. It should be noted that these specific embodiments are only representative specific embodiments of the creation, and the specific methods, devices, conditions, materials, etc. exemplified therein are not intended to limit the creation or the corresponding specific embodiments. In addition, each device in the figure is only used to express its relative position and is not drawn according to its actual scale, which is explained first.

In the description of this specification, the description with reference to the terms "a specific embodiment", "another specific embodiment" or "partial specific embodiment" etc. means that the specific feature, structure, material or feature described in combination with the embodiment includes In at least one embodiment of this creation. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments in a suitable manner.

In the description of this creation, it needs to be understood that the orientation or positional relationship indicated by the terms "vertical, horizontal, up, down, front, back, left, right, top, bottom, inner, outer" etc. are based on the attached drawings. The orientation or position relationship shown is only for the convenience of describing the creation and simplifying the description, rather than indicating that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the creation.

Please refer to Figure 1, Figure 2 and Figure 3. FIG. 1 is a schematic diagram showing the structure of an electrical connector 1 before connection according to a specific embodiment of the invention. FIG. 2 is an exploded view of the socket 11 of FIG. 1. FIG. 3 is an exploded view of the plug 12 and the locking member 13 of FIG. 1. As shown in FIGS. 1 to 3, the electrical connector 1 of the present invention includes a socket 11, a plug 12 and a locking member 13. The socket 11 includes a socket housing 111 and a socket terminal 112. The outer surface of the socket housing 111 has a fixing groove 113, and the socket terminal 112 is disposed in the socket housing 111. The plug 12 is matched and used to connect to the socket 11. The plug 12 includes a plug housing 121 and a plug terminal 122. The plug housing 121 has an accommodating space 1211 and a locking hole 1212 communicating with the accommodating space 1211, and the plug terminal 122 is disposed in the accommodating space 1211. The locking member 13 is disposed in the locking hole 1212 of the plug housing 121 and is used to move in the locking hole 1212.

In this specific embodiment, the socket housing 111 of the socket 11 includes a fixing plate 1111 and a cylindrical structure 1112. The cylindrical structure 1112 extends outward from one side of the fixed plate 1111 and is fixed The fixed plate 1111 has a through hole (not shown) in the cylindrical structure 1112. The fixing groove 113 is provided on the outer surface of the cylindrical structure 1112. The socket terminal 112 is substantially cylindrical. The socket terminal 112 passes through the through hole of the fixing plate 1111, and one end of the socket terminal 112 is located in the cylindrical structure 1112. In practice, the fixing plate 1111 can be fixed on a device component or a circuit board. When the plug terminal 112 is installed in the socket housing 111, the cylindrical structure 1112 of the socket housing 111 and one end of the socket terminal 112 located in the cylindrical structure 1112 are used to connect the plug 12, and the other end of the socket terminal 112 is located on the fixing plate 1111 The other side of the cable can be connected to a cable or solder pad on the circuit board.

In this specific embodiment, the accommodating space 1211 of the plug housing 121 is approximately cylindrical in shape, and is used to receive and accommodate the cylindrical structure 1112 of the socket housing 111. Furthermore, the plug housing 121 includes a cavity located below the plug housing 121, and the cavity is vertically connected to the accommodating space 1211. The lower part of the plug housing 121 also includes an opening communicating cavity. The plug terminal 122 includes a first plug terminal 1221 and a second plug terminal 1222, and the shapes of the first plug terminal 1221 and the second plug terminal 1222 are cylindrical. The first plug terminal 1221 has a shaft 1223 and is disposed in the accommodating space 1211, and the second plug terminal 1222 is disposed in the cavity. In other words, the extending directions of the first plug terminal 1221 and the second plug terminal 1222 are perpendicular to each other. In practice, the first plug terminal 1221 and the second plug terminal 1222 of the plug terminal 122 may be integrally formed. After the plug terminal 122 is disposed in the plug housing 121, part of the second plug terminal 1222 is exposed outside the opening. The shape of the accommodating space 1211 of the plug housing 121 corresponds to the shape of the cylindrical structure 1112 of the socket housing 111, and the position of the socket terminal 112 arranged in the cylindrical structure 1112 corresponds to the first plug terminal 1221 arranged in the accommodating space 1211 s position. When the socket 11 and the plug 12 are connected to each other, the socket housing 111 of the socket 11 is inserted into the accommodation space 1211 of the plug 12 along the axis 1223 of the first plug terminal 1221, and the socket terminal 112 is along the line of the first plug terminal 1221 Axis 1223 is inserted into the first plug Terminal 1221. At this time, the socket housing 111 is located between the plug housing 121 of the plug 12 and the first plug terminal 1221. The materials of the socket housing 111 and the plug housing 121 are insulating materials, and the materials of the socket terminals 112, the first plug terminals 1221, and the second plug terminals 1222 are metal or conductive materials. Therefore, when the socket 11 and the plug 12 are connected to each other and the socket terminal 112 is inserted into the first plug terminal 1221, the socket terminal 112 is electrically connected to the plug terminal 122.

Further, the plug 12 includes a back cover 123 connected to the plug housing 121 and sleeved with an opening under the plug housing 121, and the second plug terminal 1222 is disposed in the back cover 123. In practice, the material of the back cover 123 can be an insulating material and can be connected to the plug housing 121 in a locking manner. Further, the back cover 123 may include a through hole for the cable to pass through and connect with the second plug terminal 1222 to prevent the cable and the second plug terminal 1222 from being exposed. After the socket 11 and the plug 12 are connected to each other, the cable connected to the second plug terminal 1222 can be electrically connected to the device element or the circuit board via the second plug terminal 1222, the first plug terminal 1221, the contact terminal 124, and the socket terminal 112. For data and signal transmission.

Please refer to Figure 1 to Figure 4. FIG. 4 is a cross-sectional view of the plug 12 and the locking member 13 of FIG. 1. As shown in FIGS. 1, 3 and 4, in this specific embodiment, the locking hole 1212 of the plug housing 121 is disposed above the first plug terminal 1221. In addition, the extending direction of the locking hole 1212 is perpendicular to the direction of the axis 1223 of the first plug terminal 1221. Therefore, when the locking member 13 is disposed in the locking hole 1212, the locking member 13 can move along a direction perpendicular to the axis 1223 of the first plug terminal 1221 to approach or move away from the accommodating space 1211 of the plug housing 121. In practice, the location of the locking hole 1212 is not limited to the top of the plug housing 121, and the locking hole 1212 can also be provided on the side or bottom of the plug housing 121.

Further, the plug housing 121 has a first hole wall 1213 on the locking hole 1212 The locking groove 1213A and the second locking groove 1213B. The first locking groove 1213A and the second locking groove 1213B are arranged along the extension direction of the locking hole 1212, that is to say, the first locking groove 1213A and the second locking groove 1213B are along perpendicular to the first locking groove 1213A and 1213B. The axis 1223 of a plug terminal 1221 is arranged in the direction. The second locking groove 1213B is located on the side adjacent to the first plug terminal 1221. In addition, the locking member 13 has a locking structure 131, and the shapes of the first locking groove 1213A and the second locking groove 1213B correspond to the shape of the locking structure 131. The locking member 13 can be locked in the first locking groove 1213A or the second locking groove 1213B by the locking structure 131 to move in the locking hole 1212. In practice, the locking structure 131 may be a bump, a trapezoid, or a structure with guiding. The first locking groove 1213A or the second locking groove 1213B is corresponding to the groove shape of the locking structure 131. Further, the locking structure 131 may also have elasticity. Therefore, the user can move the locking member 13 by pulling up or pressing down, so that the locking structure 131 of the locking member 13 is engaged with the first locking member. The groove 1213A or the second locking groove 1213B.

Please refer to Figure 2 to Figure 6. FIG. 5 is a cross-sectional view of a structure in which the locking member 13 of the electrical connector 1 is not engaged with the fixing groove 113 according to a specific embodiment of the invention. FIG. 6 is a cross-sectional view showing the structure of the locking member 13 of the electrical connector 1 engaged with the fixing groove 113. In this specific embodiment, the locking member 13 has an embedded end 132, and the shape of the embedded end 132 corresponds to the shape of the fixing groove 113 of the socket housing 111. Furthermore, after the socket 11 and the plug 12 are connected to each other, the fixing groove 113 of the socket housing 111 corresponds to the locking hole 1212 of the plug housing 121. In practice, the position of the fixing groove 113 of the socket housing 111 and the position of the locking hole 1212 of the plug housing 121 can be designed according to requirements. After the socket 11 and the plug 12 are connected to each other, the socket housing 111 is inserted into the accommodating space 1211 of the plug housing 121. At this time, the fixing groove 113 provided on the outer surface of the socket housing 111 is located on the inner wall of the plug housing 121 and corresponds to the locking hole 1212 of the plug housing 121, so that the fixing groove 113 is exposed to the locking hole 1212.

As shown in Figures 5 and 6, when the user fixes the plug 12 to the socket 11, the user first pulls the locking member 13 away from the accommodating space 1211, so that the locking structure 131 of the locking member 13 is locked. Fitted to the first locking groove 1213A of the plug housing 121. At this time, the embedded end 132 of the locking member 13 is located in the locking hole 1212 and does not protrude from the accommodating space 1211. Then, the user inserts the plug 12 into the socket 11 along the axis of the first plug terminal 1221 to connect the plug 12 and the socket 11. After the socket 11 and the plug 12 are connected to each other, the user presses the locking member 13 in a direction close to the accommodating space 1211, so that the locking structure 131 of the locking member 13 is engaged with the second lock of the plug housing 121 Solid groove 1213B. At this time, the insertion end 132 of the locking member 13 protrudes from the accommodating space 1211 and is inserted into the fixing groove 113 of the socket housing 111. In other words, the locking member 13 is simultaneously engaged with the socket housing 111 and the plug housing 121 to fix the socket 11 and the plug 12. Since the socket 11 and the plug 12 are connected in a direction along the axis of the first plug terminal 1221, the locking member 13 moves in a direction perpendicular to the axis of the first plug terminal 1221 and is embedded in the socket housing 111 Fix in the groove 113. Therefore, after the locking member 13 locks the plug 12 on the socket 11, the plug 12 cannot be separated from the socket 11 because the side wall of the insertion end 132 of the locking member 13 abuts against the side wall of the fixing groove 113. Therefore, the electrical connector of the present invention can fix the socket and the plug in a moving manner perpendicular to the connection direction of the socket and the plug by the locking member, so as to improve the safety and efficiency of the electrical connector.

Similarly, when the user removes the plug 12 from the socket 11, the user can first pull the locking member 13 away from the accommodating space 1211, so that the locking structure 131 of the locking member 13 is engaged with the plug housing 121的 first locking groove 1213A. At this time, the embedded end 132 of the locking member 13 escapes from the second locking groove 1213B of the plug housing 121 and moves into the locking hole 1212. Then, the user pulls the plug 12 out of the socket 11 in the direction along the axis of the first plug terminal 1221 to remove the plug 12 Detach from the socket 11.

Please refer to Figure 1 to Figure 3 again. As shown in FIGS. 1 to 3, the plug housing 121 further includes a sleeve structure 1214 located in the accommodating space 1211, and the sleeve structure 1214 is sleeved with the first plug terminal 1221. In this specific embodiment, the size of the sleeve structure 1214 corresponds to the size of the first plug terminal 1221, and the sleeve structure 1214 is located on the outer surface of the first plug terminal 1221. When the socket 11 and the plug 12 are connected to each other, the socket housing 111 of the socket 11 is inserted into the accommodating space 1211 of the plug 12, and the socket housing 111 is located between the plug housing 121 of the plug 12 and the sleeve structure 1214. In practice, since the first plug terminal 1221 is disposed in the sleeve structure 1214 of the plug housing 121, when the socket 11 and the plug 12 are connected obliquely, the sleeve structure 1214 can prevent the socket housing 111 from directly contacting the first plug. The terminal 1221 prevents the first plug terminal 1221 from being deformed by the compression of the socket housing 111, thereby improving the installation efficiency.

In this embodiment, the plug 12 further includes a cylindrical contact terminal 124 arranged in the first plug terminal 1221 along the direction of the axis 1223 of the first plug terminal 1221 and contacts the first plug terminal 1221. Further, the contact terminal 124 has two fixed end portions 1241 and an elastic portion 1242 located between the two fixed end portions 1241. The size of the contact terminal 124 corresponds to the size of the socket terminal 112. When the socket 11 and the plug 12 are connected to each other, the socket terminal 12 of the socket 11 is inserted into and contacts the contact terminal 124, and the elastic part of the contact terminal 124 abuts the socket terminal 112. In practice, the material of the contact terminal 124 may be metal or conductive material. When the contact terminal 124 is disposed in the first plug terminal 1221, the two fixed ends 1241 of the contact terminal 124 contact the first plug terminal 1221. The elastic portion 1242 of the contact terminal 124 may include a plurality of elastic pieces, and the elastic pieces may be bent toward the axial direction of the contact terminal 124. When the socket 11 and the plug 12 are connected to each other, the socket terminal 12 of the socket 11 is inserted into the contact terminal 124 and stretches the elastic portion 1242 of the contact terminal 124. At this time, the contact end The elastic portion 1242 of the sub 124 is compressed due to being squeezed. The compressed elastic portion 1242 will generate elastic force to resist and contact the socket terminal 112 to electrically connect the socket terminal 112 and the first plug terminal 1221. Since the elastic force generated by the elastic portion 1242 will resist the socket terminal 112, the plug 12 can clamp the plug terminal of the socket 12 through the elastic portion 1242 of the contact terminal 124, thereby improving stability.

In addition, the socket 11 further includes a sealing gasket 114 and an insulating member 115. The gasket 114 is arranged on the other side of the fixing plate 1111 relative to the cylindrical structure 1112, and the insulating member 115 is arranged at the end position of the socket terminal 112 in the cylindrical structure 1112. In practice, the sealing gasket 114 is arranged at the junction of the socket housing 111 and the equipment component to increase the sealing performance and prevent foreign matter from entering the socket 11 or equipment component. The insulating member 115 can prevent the user from directly contacting the socket terminal, so as to avoid accidents such as electric shock, thereby improving safety.

The plug terminals of the plug may be in other forms in addition to being integrally formed in the foregoing specific embodiments. Please refer to Figure 7. FIG. 7 is an exploded view of the plug terminal 222 according to a specific embodiment of the invention. As shown in FIG. 7, in this embodiment, the first plug terminal 2221 includes a protruding structure 2223, and the second plug terminal 2222 includes a hole 2224. The size of the protruding structure 2223 is larger than the size of the hole 2224. In practice, the protruding structure 2223 is located at the end of the first plug terminal 2221 connected to the second plug terminal 2222, and the hole 2224 is located at the end of the second plug terminal 2222 connected to the first plug terminal 2221. The protruding structure 2223 can be connected to the hole 2224 in a riveting manner, so that the first plug terminal 2221 can be reliably connected to the second plug terminal 2222 to form the plug terminal 222, which not only saves cost but also improves stability.

In summary, the electrical connector of the present invention can fix the socket and the plug in a moving manner perpendicular to the connection direction of the socket and the plug by the locking member, so as to improve the safety and efficiency of the electrical connector. Moreover, the electrical connector of the invention can prevent the plug terminal from being plugged by the sleeve structure of the socket housing It is deformed by compression during installation, thereby improving installation efficiency. Furthermore, the electrical connector of the present invention can clamp the plug terminal of the socket by the contact terminal, so as to improve the stability. In addition, the electrical connector of the invention can produce plug terminals in different processes, which not only saves costs but also improves stability.

Based on the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the creation can be described more clearly, and the scope of the creation is not limited by the preferred embodiments disclosed above. On the contrary, its purpose is to cover various changes and equivalent arrangements within the scope of the patent application for this creation. Therefore, the scope of the patent application for this creation should be interpreted in the broadest way based on the above description, so that it covers all possible changes and equivalent arrangements.

1: Electrical connector

11: Socket

113: fixed groove

12: Plug

13: lock fastener

Claims (10)

An electrical connector applied to a power storage device. The electrical connector includes: A socket including a socket shell and a socket terminal, the outer surface of the socket shell has a fixing groove, and the socket terminal is arranged in the socket shell; A plug that matches and is used to connect to the socket. The plug includes a plug housing and a plug terminal. The plug housing has an accommodating space and a locking hole communicating with the accommodating space. The accommodating space is used for accommodating The socket housing of the socket, the plug terminal includes a first plug terminal and a second plug terminal, the first plug terminal has an axis and is arranged in the accommodating space, and the second plug terminal is vertical Coupled to the first plug terminal; and A locking member arranged in the locking hole of the plug housing and used for moving in the locking hole; Wherein, when the plug is connected to the socket, the socket terminal is inserted into the first plug terminal along the axis direction, so that the socket housing is located between the plug housing and the first plug terminal and is fixed The groove corresponds to the locking hole, and then the locking member moves perpendicular to the direction of the axis and engages in the fixing groove of the socket, so that the plug is locked on the socket. The electrical connector described in the first item of the scope of patent application, wherein the plug housing has a sleeve structure located in the accommodating space and sleeves the first plug terminal, and when the plug is connected to the socket, the socket shell The body is located between the plug shell and the sleeve structure. According to the electrical connector described in item 1 of the scope of patent application, the plug includes a back cover connected to the plug housing and perpendicular to the first plug terminal, and the second plug terminal is arranged in the back cover. The electrical connector described in item 1 of the scope of patent application, wherein the first plug end The sub and the second plug terminal are integrally formed. The electrical connector according to claim 1, wherein the first plug terminal includes a protruding structure, and the second plug terminal includes a hole, the size of the protruding structure is larger than the size of the hole, and the protruding structure Riveted to the hole. The electrical connector described in claim 1, wherein the plug includes a cylindrical contact terminal, and the contact terminal is arranged in the first plug terminal along the axis direction and contacts the first plug A terminal, when the socket is connected to the plug, the socket terminal of the socket contacts the contact terminal, so that the socket terminal and the first plug terminal are electrically connected. The electrical connector described in item 6 of the scope of patent application, wherein the contact terminal has two fixed ends and an elastic part located between the two fixed ends. When the socket is connected to the plug, the elastic part is elastic Force against the socket terminal of the socket. The electrical connector described in item 1 of the scope of patent application, wherein the locking member has a locking structure, and the hole wall of the locking hole has a corresponding locking structure and is arranged along a direction perpendicular to the axis A first locking groove and a second locking groove of the, the second locking groove is located on the side adjacent to the first plug terminal, when the locking structure is located in the second locking groove, The locking member is clamped in the fixing groove of the socket. According to the electrical connector described in item 1 of the scope of patent application, the extending direction of the locking hole and the direction of the axis of the first plug terminal are perpendicular to each other. In the electrical connector described in item 1 of the scope of patent application, the shape of the locking member corresponds to the shape of the fixing groove of the socket.

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