CN220673038U - Connector, plug and socket assembly and energy storage device - Google Patents

Abstract

The application provides a connector, a plug and socket assembly and an energy storage device. The connector is used for connecting the socket at the female end of the electricity-using side plug-in and the energy storage power supply. The connector includes a connection wire and a first plug. The connecting wire has a first end and a second end. The first end is configured for connection to an energy storage power source. The first plug includes a connection base, pins, and a replacement face cover. The connecting seat is connected with the second end. The pin and the replacement surface cover are arranged on the connecting seat. The pins are configured as a connector module for plugging into a socket. The replacement face cover is configured to replace a cover plate of the receptacle. The application provides a connector, plug and socket subassembly and energy storage equipment can reduce the cost that the plug realized locking to improve simple operation, product suitability.

Description

Connector, plug and socket assembly and energy storage device

Technical Field

The application relates to the technical field of electrical connection, in particular to a connector, a plug and socket assembly and energy storage equipment.

Background

In recent years, two power supply modes of energy storage device power supply and external power grid power supply are showing an increasingly integrated development trend. And the energy storage equipment can be connected into the power grid in the user so as to supply power to the electrical equipment on the power grid in the user, but when the energy storage equipment is used for supplying power to the power grid in the user and a plug is required to be inserted into a socket, the energy storage equipment and the socket are tightly matched and cannot be loosened, so that the safety is ensured. However, when the plug and the socket in the related art are matched, a locking device is additionally arranged to lock the plug and the socket, so that on one hand, the structure cost is high, and on the other hand, the appearance of the matched position of the plug and the socket is compact and attractive.

Disclosure of Invention

In view of this, this application provides a connector, plug and socket subassembly and energy storage device, can reduce the cost that the plug realized locking to improve simple operation, product suitability.

An embodiment of the application provides a connector for connecting a socket of a female end of an electric side plug and an energy storage power supply. The connector includes a connection wire and a first plug. The connecting wire has a first end and a second end. The first end is configured for connection to an energy storage power source. The first plug includes a connection base, pins, and a replacement face cover. The connecting seat is connected with the second end. The pin and the replacement surface cover are arranged on the connecting seat. The pins are configured as a connector module for plugging into a socket. The replacement face cover is configured to replace a cover plate of the receptacle.

In the above embodiment, after the cover plate of the socket is removed, the pins can be plugged into the plug-in module of the socket, and the cover plate is replaced by the replacement cover plate. The replacement face cover can be arranged at the position of the original cover plate, and is connected with the socket, so that the first plug and the socket are kept fixed, and the pins are prevented from being separated from the plug-in module. The user realizes the grafting of participating in and grafting module when assembling replacement face lid, combines the grafting action of first plug and socket and anticreep locking action into an action realization, improves the simple operation to with the connection and the locking of first plug and socket realize through the replacement face lid, simplified the structure of first plug, reduced the cost that first plug realized locking. And replace the apron that the face lid replaced the socket originally to hidden the structure that first plug and socket realized the locking, and only need according to the structural design of the face lid that the socket was originally the structure of face lid can, saved the cost of realizing the replacement face lid, and can ensure that first plug and socket are stably connected, thereby improve the suitability.

In some embodiments of the present application, the replacement face cover is provided with a first connection portion. The first connection portion is configured for connection with a base of the receptacle.

In the above embodiment, the first connection portion is connected with the base, so that the replacement face cover is fixed on the base, and the stability of the plugging of the first plug and the socket is maintained.

In some embodiments of the present application, the first connection portion is engaged with a base of the socket.

In the above embodiment, the first connecting portion is connected with the base through a clamping manner, so that the speed of assembling the replacement face cover to the base can be increased, and the difficulty of assembling the replacement face cover to the base can be reduced.

In some embodiments of the present application, the replacement face cap is removably attached to the attachment base.

In the above embodiment, one of the replacement covers is detached from the connection base, and another replacement cover may be configured to be assembled to the connection base, so that the first plug can be adapted to more sockets.

In some embodiments of the present application, the connector further comprises a second plug. The second plug is connected to the first end. The second plug is configured for connection to an energy storage power source.

In the above embodiment, the second plug is connected with the energy storage power source, maintains the stability of connection between the energy storage power source and the connector, and can realize the separation of the connector and the energy storage power source, thereby improving the convenience of the connector.

An embodiment of the present application provides a plug and socket assembly. The plug-and-socket assembly comprises a socket and a first plug as described in any of the embodiments above. The receptacle is configured for forming an input or output of the power side plug female. The socket comprises a base and a plug-in module. The replacement face cover is detachably connectable with the base. When the replacement face cover is connected to the base, connection between the pins and the plug-in module is maintained.

In the above embodiment, the first plug may be capable of establishing connection between the other device and the socket, so that the other device may supply power to the power-use-side plug female terminal or the power-use-side plug female terminal may supply power to the other device. The replacement surface cover of the first plug can not only improve the stability of connection between the pins and the plug-in module, but also hide the connection relation between the pins and the plug-in module.

In some embodiments of the present application, the receptacle further comprises a cover plate. The cover plate can be detachably connected with the base. The base is connected with the cover plate or the replacement surface cover.

In the above embodiment, the base is connected with the cover plate, so that the socket can be connected with a device that does not use the first plug; the base is connected with the replacement face cover, so that the socket can be connected with equipment using the first plug, and the stability of connection is enhanced.

In some embodiments of the present application, the base is provided with a receiving space and a connection port. The accommodating space is communicated with the external space of the socket through the connecting port. The plug-in module is arranged in the accommodating space. The replacement face cover or the cover plate is connected to the base to seal the connecting port.

In the above embodiment, the base can separate the plugging module from the external space by connecting and replacing the surface cover or the cover plate, so as to hide the plugging module and promote the protection of the plugging module.

In some embodiments of the present application, the base is provided with a second connection portion. The cover plate is provided with a third connecting part. The second connection portion is configured to connect with the replacement face cover or the third connection portion.

In the above embodiment, the second connecting portion may be connected to the third connecting portion, so that the cover plate may be connected to the base, or may be directly connected to the replacement cover, so that the replacement cover is connected to the base. The base is connected with different structures through the second connecting part.

An embodiment of the present application provides an energy storage device. The energy storage device comprises an energy storage power source and a connector as described in any of the embodiments above.

In the above embodiment, the energy storage power supply is connected with the socket of the power-use-side plug-in female end through the connector, so that the structure connected with the plug-in module of the socket can be hidden while the connection stability is maintained.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope.

FIG. 1 is a schematic diagram of an energy storage device and a receptacle according to an embodiment of the present application;

FIG. 2 is a schematic diagram of the energy storage device of FIG. 1 in connection with a receptacle;

FIG. 3 is a schematic diagram of the energy storage device of FIG. 1 after being connected to a receptacle;

FIG. 4 is an exploded view of a plug-and-socket assembly omitting a second plug according to one embodiment of the present application;

FIG. 5 is a schematic view of the receptacle of FIG. 4;

FIG. 6 is a schematic view of the first plug and base assembly of FIG. 4;

fig. 7 is a schematic structural diagram of the first plug of fig. 1 and 4 from another view.

Description of the main reference signs

100-connector 200-plug and socket assembly 300-energy storage device

10-connecting wire 20-first plug 30-second plug

101-first end 102-second end 201-connection base

202-pin 203-replacement face cap 210-socket

211-base 212-plug-in module 213-cover plate

310-energy storage power source 2031-first connection portion 2111-accommodating space

2112-connection port 2113-second connection 2131-third connection

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In recent years, two power supply modes of energy storage device power supply and external power grid power supply are showing an increasingly integrated development trend. And the energy storage equipment can be connected into the power grid in the user so as to supply power to the electrical equipment on the power grid in the user, but when the energy storage equipment is used for supplying power to the power grid in the user and a plug is required to be inserted into a socket, the energy storage equipment and the socket are tightly matched and cannot be loosened, so that the safety is ensured. However, when the plug and the socket in the related art are matched, a locking device is additionally arranged to lock the plug and the socket, so that on one hand, the structure cost is high, and on the other hand, the appearance of the matched position of the plug and the socket is compact and attractive.

Embodiments of the present application provide a connector, a plug-and-socket assembly, and an energy storage device. The connector is used for connecting the socket at the female end of the electricity-using side plug-in and the energy storage power supply. The connector includes a connection wire and a first plug. The connecting wire has a first end and a second end. The first end is configured for connection to an energy storage power source. The first plug includes a connection base, pins, and a replacement face cover. The connecting seat is connected with the second end. The pin and the replacement surface cover are arranged on the connecting seat. The pins are configured as a connector module for plugging into a socket. The replacement face cover is configured to replace a cover plate of the receptacle.

After the cover plate of the socket is removed, the pins can be plugged into the plug-in modules of the socket, and the replacement surface cover replaces the cover plate. The replacement face cover can be arranged at the position of the original cover plate, and is connected with the socket, so that the first plug and the socket are kept fixed, and the pins are prevented from being separated from the plug-in module. The user realizes the grafting of participating in and grafting module when assembling replacement face lid, combines the grafting action of first plug and socket and anticreep locking action into an action realization, improves the simple operation to with the connection and the locking of first plug and socket realize through the replacement face lid, simplified the structure of first plug, reduced the cost that first plug realized locking. And replace the apron that the face lid replaced the socket originally to hidden the structure that first plug and socket realized the locking, and only need according to the structural design of the face lid that the socket was originally the structure of face lid can, saved the cost of realizing the replacement face lid, and can ensure that first plug and socket are stably connected, thereby improve the suitability.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without collision.

Referring to fig. 1, 4 and 7, an embodiment of the present application provides a connector 100, a plug and socket assembly 200 and an energy storage device 300. The connector 100 is used for connecting the socket 210 of the female end of the power-using side plug and the energy storage power supply 310 of the energy storage device 300. The power-side plug-in female terminal is configured as a plug-in terminal or a switch control terminal of a power grid in a user, and the user comprises a family and a production unit. The user internal power grid is a set of circuit line coordination relations inside the user, and is usually powered by the mains external power grid, but when the situation that the mains external power grid cannot supply power occurs, the energy storage power supply 310 of the energy storage device 300 can be connected to the power utilization side plug-in female terminal, so that the energy storage power supply 310 is used for supplying power to the user internal power grid. But at the same time the stored energy power supply 310 may be used as a power supply for outdoor scene power.

Referring to fig. 2, 4 and 7, in some embodiments, the connector 100 includes a connection cord 10 and a first plug 20. The connection line 10 has a first end 101 and a second end 102. The first end 101 is configured for connection to a stored energy power source 310. The first plug 20 includes a connection socket 201, pins 202 and a replacement face cover 203. The connection socket 201 is connected to the second end 102. The pins 202 and the replacement covers 203 are provided to the connection base 201. Pins 202 are configured as a connector module for plugging into sockets 210. The replacement face cover 203 is configured to replace the cover plate 213 of the socket 210.

After removing the cover 213 of the socket 210, the pins 202 can be plugged into the plug modules 212 of the socket 210, and the replacement cover 203 replaces the cover 213. The replacement face cover 203 can be disposed at the original cover 213, and the replacement face cover 203 is connected to the socket 210, so that the first plug 20 and the socket 210 remain fixed, and the pins 202 are prevented from being separated from the jack module 212. The user realizes the plug connection of the pin 202 and the plug-in module 212 while assembling the replacement surface cover 203, combines the plug connection action and the anti-drop locking action of the first plug 20 and the socket 210 into one action, improves the operation convenience, realizes the connection and the locking of the first plug 20 and the socket 210 through the replacement surface cover 203, simplifies the structure of the first plug 20, and reduces the cost of realizing the locking of the first plug 20. And the replacement face cover 203 replaces the original cover plate 213 of the socket 210, so that the structure of locking the first plug 20 and the socket 210 is hidden, and the structure of the replacement face cover 203 is designed according to the original structure of the face cover of the socket 210, so that the cost for realizing the replacement face cover 203 is saved, the stable connection between the first plug 20 and the socket 210 can be ensured, and the applicability is improved.

Referring to fig. 3, 4 and 7, in some embodiments, the replacement face cover 203 is provided with a first connection 2031. The first connection portion 2031 is configured to be connected with the base 211 of the socket 210. The first connection portion 2031 is connected to the base 211, so that the replacement cover 203 is fixed to the base 211, and the first plug 20 and the socket 210 are stably plugged.

It will be appreciated that in other embodiments, the replacement face cover 203 itself may be directly coupled to the base 211, such as where the replacement face cover 203 is configured to be made of a material comprising a magnetic material, where the replacement face cover 203 is directly secured to the base 211 by magnetic attraction, and where the replacement face cover 203 can be detached when it is not necessary to maintain the coupling.

Referring to fig. 5 to 7, in some embodiments, the replacement surface cover 203 extends in a plane perpendicular to the direction in which the first plug 20 is inserted into the socket 210, and along the direction in which the first plug 20 is inserted into the socket 210, the projection range of the replacement surface cover 203 is larger than that of the connection socket 201, and the projection range of the replacement surface cover 203 can cover the projection range of the connection socket 201, so that the original cover plate 213 of the socket 210 can be replaced and the mechanism for locking the first plug 20 and the socket 210 is hidden. It will be appreciated that in some embodiments, the replacement face cover 203 is provided on a side of the connection socket 201 facing away from the connection wire 10, the pins 202 pass through the replacement face cover 203 to a side of the replacement face cover 203 facing away from the connection wire 10, and the first connection portion 2031 is provided on a side of the replacement face cover 203 facing away from the connection socket 201 and extends along a side facing away from the connection socket 201. In other embodiments, the replacement cover 203 may be disposed around the periphery of the connection base 201, and the first connection portion 2031 may be disposed around the periphery of the replacement cover 203.

Referring to fig. 4 to 6, in some embodiments, the first connection portion 2031 is engaged with the base 211 of the socket 210. The first connection portion 2031 is connected to the base 211 by a snap-fit manner, so that the speed of assembling the replacement face cover 203 to the base 211 can be increased, and the difficulty of assembling the replacement face cover 203 to the base 211 can be reduced. As an exemplary example, in some embodiments, the first connection portion 2031 and the base 211 are in a snap fit in the form of a snap slot, for example, the first connection portion 2031 may be an elastically deformable snap or a snap hook, or the first connection portion 2031 may also be a snap capable of translating or rotating relative to the connection base 201, or the first connection portion 2031 may be a snap slot capable of being snapped by the base 211, or the like; in some embodiments, the first connection portion 2031 and the base 211 are in a tight fit, such as a rubber ring between the first connection portion 2031 and the base 211, or the first connection portion 2031 can be inserted into the base 211 and closely attached to the base 211, or the first connection portion 2031 can be sleeved on the outer periphery of the base 211, and the base 211 slightly supports the first connection portion 2031.

In some embodiments, replacement face cover 203 is removably coupled to connection hub 201 (not shown). One replacement face cover 203 is detached from the connector base 201, and another replacement face cover 203 can be reconfigured to fit to the connector base 201 so that the first plug 20 can fit more sockets 210. It will be appreciated that in other embodiments, the replacement face cover 203 and the connection base 201 are integrally formed, so that the connection between the replacement face cover 203 and the connection base 201 is firmer, and the stability of the connection between the first plug 20 and the socket 210 is improved.

It will be appreciated that in other embodiments, the replacement face cover 203 may be coupled to the base 211 by screws, pins, or other fasteners to promote stability of the connection between the first plug 20 and the receptacle 210; the joint of the replacement face cover 203 and the base 211 can be sealed by gluing, so that the connection stability is improved, and meanwhile, the waterproof performance is improved; the replacement cover 203 and the base 211 may be connected by a connecting band such as a tie.

Referring to fig. 1-3, in some embodiments, the connector 100 further includes a second plug 30. The second plug 30 is connected to the first end 101. The second plug 30 is configured for connection to an energy storage power source 310. The second plug 30 is connected with the energy storage power supply 310, so that the stability of connection between the energy storage power supply 310 and the connector 100 is maintained, and meanwhile, the connector 100 and the energy storage power supply 310 can be separated, and the convenience of using the connector 100 is improved. It will be appreciated that in some embodiments, the second plug 30 is fixedly connected to the connection wire 10.

Referring to fig. 4-6, an embodiment of the present application provides a plug and receptacle assembly 200. The plug and receptacle assembly 200 includes a receptacle 210 and a first plug 20 as described in any of the embodiments above. The receptacle 210 is configured to form an input or output of a power side plug female. The socket 210 includes a base 211 and a plug module 212. The replacement face cover 203 can be removably attached to the base 211. The replacement face cover 203 maintains the connection of the pins 202 (see fig. 7) to the plug module 212 when connected to the base 211.

The plug module 212 is a structure that the socket 210 is electrically connected with the power grid in the user, and the first plug 20 can connect other devices with the socket 210, so that the other devices supply power to the plug female terminal on the electricity utilization side or the plug female terminal on the electricity utilization side supplies power to the other devices. The replacement face cover 203 of the first plug 20 can not only promote the stability of connection between the pins 202 and the socket module 212, but also hide the connection relationship between the pins 202 and the socket module.

Referring to fig. 4 and 5, in some embodiments, the receptacle 210 further includes a cover plate 213. The cover plate 213 can be detachably connected with the base 211. The cover plate 213 serves to stop other plugs when plugs other than the first plug 20 are plugged in, to indicate that the plug is plugged in place, and to protect the structure inside the socket 210. The base 211 is connected to the cover plate 213 or the replacement face cover 203. The base 211 is connected to the cover 213, so that the socket 210 can be connected to a device that does not use the first plug 20; and the base 211 is connected with the replacement cover 203, the socket 210 can be connected with the device using the first plug 20, so as to enhance the stability of connection.

Referring to fig. 4-6, it can be appreciated that in some embodiments, the replacement face cover 203 is shaped identically to the cover plate 213, and both the replacement face cover 203 and the cover plate 213 are substantially sheet-like structures such that the location and extent occupied by the replacement face cover 203 and the cover plate 213 on the base 211 are approximately identical.

Referring to fig. 4, in some embodiments, the base 211 is provided with a receiving space 2111 and a connection port 2112. The accommodation space 2111 communicates with the external space of the receptacle 210 through the connection port 2112. The plug module 212 is disposed in the accommodating space 2111. A replacement face cover 203 or cover plate 213 is attached to the base 211 to block the connection port 2112. The base 211 can separate the plugging module 212 from the external space by connecting the replacement surface cover 203 or the cover plate 213, thereby hiding the plugging module 212 and improving the protection of the plugging module 212. It will be appreciated that in some embodiments, the shape of the replacement face cover 203, the shape of the cover plate 213, and the shape of the connection port 2112 are the same, and that when the replacement face cover 203 or the cover plate 213 is provided to the connection port 2112, they are flush with the structure of the peripheral side of the connection port 2112 of the base 211. Generally, the base 211 is used for being fixed on a wall, and the accommodating space 2111 extends into the wall.

Referring to fig. 4, in some embodiments, the base 211 is provided with a second connection portion 2113. The cover plate 213 is provided with a third connecting portion 2131. The second connection portion 2113 is configured to connect with the replacement face cover 203 or the third connection portion 2131. The second connection portion 2113 can be connected to the third connection portion 2131 to connect the cover 213 to the base 211, or can be directly connected to the replacement cover 203 to connect the replacement cover 203 to the base 211. The base 211 is connected to a different structure through a second connection portion 2113. That is, the connection structure of the second connection portion 2113 and the third connection portion 2131 is a structure in which the cover 213 and the base 211 are connected, and the replacement cover 203 can be directly connected with the second connection portion 2113, so that the socket 210 does not need to additionally provide other structures for fixing the first plug 20, and the anti-falling fixing between the socket 210 and the first plug 20 can be achieved by using the existing structure.

It is understood that in some embodiments, when the first connecting portion 2031 and the third connecting portion 2131 are respectively connected with the second connecting portion 2113, a plurality of mating forms may be adopted, including but not limited to clamping, plugging, clamping, etc., and in order to improve connection stability, a plurality of sets of the first connecting portion 2031, the second connecting portion 2113, and the third connecting portion 2131 may be correspondingly provided. As an exemplary example, in some embodiments, the second connection portion 2113 is a slot provided on a side wall of the accommodating space 2111 of the base 211, the first connection portion 2031 is a buckle protruding on a side of the replacement face cover 203 facing the accommodating space 2111, and the third connection portion 2131 is a buckle protruding on a side of the cover 213 facing the accommodating space 2111.

Referring to fig. 4, it can be appreciated that in some embodiments, the plug-and-socket assembly 200 further includes the connection wire 10 and the second plug 30 as described in any of the embodiments above, with the first end 101 of the connection wire 10 connected to the second plug 30 and the second end 102 of the connection wire 10 connected to the first plug 20 to facilitate electrical connection of the first plug 20 to other devices.

Referring to fig. 1-3, an embodiment of the present application provides an energy storage device 300. The energy storage device 300 includes an energy storage power source 310 and the connector 100 as described in any of the embodiments above.

The energy storage power supply 310 is connected to the socket 210 at the female end of the power plug through the connector 100, and can hide the structure connected to the connector module of the socket 210 while maintaining the connection stability. The first plug 20 of the connector 100 is plugged into the socket 210 of the female plug end of the electricity utilization side, and the second plug 30 of the connector 100 is plugged into the energy storage power supply 310, so that the energy storage power supply 310 can supply power to the user internal power grid. The second plug 30 can be pulled away from the stored energy power supply 310, so that the stored energy power supply 310 and the connector 100 are placed independently.

The working principle of the present application is specifically described below:

first, for the socket 210 of the user's internal power grid, the third connection portion 2131 is disconnected from the second connection portion 2113, and the cover plate 213 is detached from the base 211, so that the connector module is exposed; and then the first plug 20 is inserted into the base 211, the plug 202 is inserted into the plug-in module 212, the replacement panel is connected with the base 211, the replacement panel replaces the original cover plate 213 of the socket 210, and the second plug 30 is plugged into the energy storage power supply 310, so that the energy storage power supply 310 is connected with the user internal power grid. Fig. 1-3 may be understood as a schematic representation of the process steps of connecting the energy storage device 300 to the receptacle 210.

The above embodiments are only for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application.

Claims (10)

1. The utility model provides a connector for connect socket and the energy storage power of female end of electricity side grafting, its characterized in that: the connector includes:

a connection wire having a first end and a second end, the first end configured for connection to the stored energy power source; and

the first plug comprises a connecting seat, a pin and a replacement surface cover, wherein the connecting seat is connected with the second end, the pin and the replacement surface cover are arranged on the connecting seat, the pin is configured to be plugged into a plug-in module of the socket, and the replacement surface cover is configured to be used for replacing a cover plate of the socket.

2. The connector according to claim 1, wherein: the replacement face cover is provided with a first connection portion configured for connection with a base of the receptacle.

3. The connector according to claim 2, wherein: the first connecting part is clamped with the base of the socket.

4. The connector according to claim 1, wherein: the replacement face cover is detachably connected with the connecting seat.

5. The connector according to claim 1, wherein: the connector also includes a second plug connected to the first end, the second plug configured for connection to the stored energy power source.

6. A plug and socket assembly, characterized in that: the plug and socket assembly comprising a socket and a first plug as claimed in any one of claims 1 to 5, the socket being configured for forming an input or output of the power side plug female, the socket comprising a base and a plug module, the replacement face cover being detachably connectable with the base, the connection of the pins to the plug module being maintained when the replacement face cover is connected to the base.

7. The plug and receptacle assembly of claim 6, wherein: the socket further comprises a cover plate, the cover plate can be detachably connected with the base, and the base is connected with the cover plate or the replacement face cover.

8. The plug and receptacle assembly of claim 7, wherein: the base is provided with a containing space and a connecting port, the containing space is communicated with the outer space of the socket through the connecting port, the plug-in module is arranged in the containing space, and the replacement face cover or the cover plate is connected to the base to seal the connecting port.

9. The plug and receptacle assembly of claim 8, wherein: the base is provided with a second connecting portion, the cover plate is provided with a third connecting portion, and the second connecting portion is configured to be connected with the replacement face cover or the third connecting portion.

10. An energy storage device, characterized by: the energy storage device comprising an energy storage power source and the connector of any one of claims 1 to 5.