CN218070437U - Plug and socket structure - Google Patents

Abstract

The application belongs to the electrical connector field, more specifically says, relates to a plug and socket structure. The plug and socket structure comprises a socket and a plug matched with the socket; a boss is convexly arranged on the side wall of the plug; the socket comprises a shell, a sliding block and an elastic piece, wherein the sliding block is arranged on the shell in a sliding mode, the elastic piece is connected between the sliding block and the shell, a terminal which is electrically connected with the plug is arranged on the shell, and a jack which is inserted into the plug is just opposite to the terminal, the sliding block is convexly provided with a butting portion matched with the boss towards one end of the jack, and the elastic piece is used for driving the butting portion to be inserted into the jack and abut against one side of the boss, which deviates from the terminal. The plug and the socket can also ensure the reliability of mutual connection when being subjected to external force, and safety accidents such as electric shock or fire and the like caused by the loosening of the plug and the socket are prevented.

Description

Plug and socket structure

Technical Field

The application belongs to the electrical connector field, more specifically says, relates to a plug and socket structure.

Background

In both family life and industrial production, the plug and the socket are indispensable devices. In general, a plug of a household appliance or an industrial electric device is often held in a plug socket.

However, when the plug and the socket are subjected to external force, the plug is easily loosened from the socket, so that the risk of short circuit of power polarity exists, and safety accidents such as electric shock or fire can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present application is to provide a plug and socket structure, so as to solve the problem that the plug and the socket in the related art are easy to loose.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

the plug and socket structure comprises a socket and a plug matched with the socket;

a boss is convexly arranged on the side wall of the plug;

the socket includes the casing, slidable mounting is provided with the terminal that is used for being connected with the plug electricity on the casing and just supplies the jack that the plug stretched into to the terminal, slider towards the protruding butt portion that is equipped with boss complex of one end of jack on the casing and connect the elastic component between slider and casing, and the elastic component is used for driving butt portion and stretches into the jack and offsets with the one side that the boss deviates from the terminal.

In one embodiment, the housing includes a bottom shell and a cover covering the bottom shell, the terminals and the insertion holes are respectively disposed on the bottom shell, a sliding groove communicating with the insertion hole is disposed on the bottom shell, and the sliding block is slidably disposed in the sliding groove.

In one embodiment, one side that the slider deviates from the terminal is equipped with the protruding portion of stirring, sets up the breach that supplies the portion of stirring to stretch out on the drain pan, stirs the portion of stirring along the direction that the jack was kept away from to the slider and can drive butt portion withdrawal spout.

In one embodiment, the cover body is convexly provided with a limiting part extending into the notch, and the two ends of the poking part perpendicular to the sliding direction of the sliding block are respectively abutted against the limiting part and one side of the notch facing the limiting part.

In one embodiment, the slider is provided with an accommodating groove for accommodating the elastic element and an opening communicated with the accommodating groove, the opening is located on one side of the accommodating groove, which is away from the jack, a connecting section parallel to the extending direction of the sliding groove is arranged in the sliding groove, and the connecting section penetrates through the opening and abuts against the end part of the elastic element.

In one embodiment, the sliding groove is convexly provided with a supporting section, and the supporting section is opposite to the notch of the accommodating groove and is abutted against the sliding block.

In one embodiment, the number of the bosses and the abutting portions is two, the two bosses are respectively convexly arranged on two opposite sides of the plug, the two abutting portions are arranged on the slider at intervals, and each abutting portion is used for abutting against the corresponding boss.

In one embodiment, the end of the boss is provided with a guide surface, the guide surface is located on one side of the boss facing the terminal, and the guide surface is used for abutting against the abutting part when the plug extends into the jack so that the boss crosses the abutting part.

In one embodiment, the guide surfaces are arranged at two ends of the boss along the length direction of the boss.

In one embodiment, the cover body is provided with a first connecting cylinder in a protruding manner, the bottom shell is provided with a second connecting cylinder in a protruding manner, and the first connecting cylinder extends into the second connecting cylinder.

The plug and socket structure provided by any of the above embodiments of the present application has at least the following beneficial effects: set up the boss on the plug, stretch into the jack of socket and be connected the back with the terminal electricity when the plug, the elastic component drives the relative socket's of slider casing motion and makes the butt portion of slider stretch into the jack, and the butt portion stretches into in the jack back offsets with the one side that the boss deviates from the terminal, avoids the plug to the direction motion of keeping away from the terminal, and then avoids taking place the pine between plug and the socket and takes off. Therefore, the reliability of mutual connection can be ensured when the plug and the socket are subjected to external force, and safety accidents such as electric shock or fire disasters caused by the loosening of the plug and the socket are prevented.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments or exemplary technical descriptions will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a plug and socket structure provided in an embodiment of the present application;

FIG. 2 is an exploded view of the plug and receptacle structure of FIG. 1;

FIG. 3 is a schematic view of the plug and receptacle structure of FIG. 1 from another perspective;

FIG. 4 isbase:Sub>A cross-sectional view A-A of the plug and receptacle structure of FIG. 3;

fig. 5 is a schematic structural diagram of a bottom case provided in the embodiment of the present application;

fig. 6 is a schematic structural diagram of a cover provided in the embodiment of the present application;

FIG. 7 is a schematic view of a slider coupled to a resilient member according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a plug provided in an embodiment of the present application;

FIG. 9 is a schematic view of a plug and a receptacle provided in accordance with an embodiment of the present application before connection;

FIG. 10 is a schematic view of a plug and a receptacle provided by an embodiment of the present application after connection;

fig. 11 is a schematic view of the plug and socket structure of fig. 10 when an external force is applied to the toggle portion.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a plug; 11. a boss; 111. a guide surface;

2. a socket; 21. a housing; 211. a bottom case; 2111. a terminal; 2112. a jack; 2113. a chute; 2114. a notch; 2115. a connection section; 2116. a support section; 2117. a second connecting cylinder; 212. a cover body; 2121. a limiting part; 2122. a first connecting cylinder; 22. a slider; 221. an abutting portion; 222. a toggle part; 223. accommodating a tank; 224. an opening; 23. an elastic member.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used merely for convenience in describing the present application and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As described in the background art, in the prior art, when a plug and a socket are subjected to an external force, the plug is easily loosened from the socket, so that there is a risk of short circuit of power polarity, which may cause safety accidents such as electric shock or fire.

In order to solve the above problem, the embodiment of the present application provides a plug and socket structure, please refer to fig. 1-4, the plug and socket structure includes a socket 2 and a plug 1 matched with the socket 2. The side wall of the plug 1 is convexly provided with a boss 11. The socket 2 includes a housing 21, a slider 22 slidably mounted on the housing 21, and an elastic member 23 connected between the slider 22 and the housing 21. The housing 21 is provided with a terminal 2111 for electrical connection with the plug 1 and a socket 2112 for inserting the plug 1 into the socket 2111. An abutting portion 221 that engages with the boss 11 is provided to protrude from one end of the slider 22 facing the insertion hole 2112. The elastic element 23 is used to drive the abutting portion 221 to extend into the insertion hole 2112 and abut against a surface of the boss 11 departing from the terminal 2111.

In this application embodiment, set up boss 11 on plug 1, after plug 1 stretched into jack 2112 of socket 2 and was connected with terminal 2111 electricity, elastic component 23 drove the casing 21 motion of the relative socket 2 of slider 22 and makes the butt portion 221 of slider 22 stretch into jack 2112, butt portion 221 stretches into in the jack 2112 back and the one side that boss 11 deviates from terminal 2111 offsets, avoid plug 1 to the direction motion of keeping away from terminal 2111, and then avoid taking place to loosen between plug 1 and the socket 2. Thus, the plug 1 and the socket 2 can be connected with each other reliably even when external force is applied, and safety accidents such as electric shock and fire caused by the loosening of the plug 1 and the socket 2 can be prevented.

It can be understood that the socket 2 can be connected to an external power source through a cable, and the household electrical appliance or the industrial electrical equipment can be connected to the plug 1 through a power line, that is, the external power source can supply power to the household electrical appliance or the industrial electrical equipment through the plug-and-socket structure provided by the embodiment. Of course, the present embodiment is only exemplary here, and the plug and socket structure is not only suitable for connection of power lines, but also suitable for connection of other lines such as signal lines. It should be noted that the socket 2 provided in this embodiment may be used alone, or a plurality of sockets 2 may be integrated on the housing of the power strip, which is not limited herein.

Fig. 2 shows that the boss 11 may be a strip-shaped structure protruding from the sidewall of the plug 1, and the housing 21 is a box-like structure, and a spring may be used as the elastic member 23. The slider 22 may slide on the housing 21 in a direction perpendicular to the axial direction of the insertion hole 2112, and the abutment portion 221 may be a block-shaped structure provided on the slider 22. When the plug 1 is connected with the socket 2, a user can apply an external force to the slider 22 to move the slider 22 in a direction away from the insertion hole 2112, the slider 22 drives the elastic member 23 to elastically deform in the moving process, after the abutting part 221 of the slider 22 is separated from the insertion hole 2112, the plug 1 is inserted into the insertion hole 2112 and electrically connected with the terminal 2111 of the socket 2, the external force applied to the slider 22 is cancelled, and the slider 22 moves in the direction of the insertion hole 2112 under the elastic force of the elastic member 23 until the abutting part 221 extends into the insertion hole 2112 and abuts against the boss 11. When the plug 1 needs to be pulled out, the external force is applied to the slider 22 again to separate the contact portion 221 from the insertion hole 2112, so that the plug 1 can be pulled out.

In an embodiment, referring to fig. 2-6, as a specific implementation manner of the plug and socket structure provided in the embodiment of the present application, the housing 21 includes a bottom shell 211 and a cover 212 covering the bottom shell 211, the terminals 2111 and the insertion holes 2112 are respectively disposed on the bottom shell 211, the bottom shell 211 is provided with a sliding slot 2113 communicating with the insertion hole 2112, and the sliding block 22 is slidably disposed in the sliding slot 2113.

The cover 212 may be fixed to the bottom case 211 by an appropriate method such as adhesion, snap connection, or bolt fastening, which is not limited to the above. Illustratively, the slider 22 and the insertion hole 2112 are arranged on the bottom case 211 side by side in the longitudinal direction of the housing 21, and the slider 22 is slidable in the sliding groove 2113 in the longitudinal direction of the housing 21. Among them, the terminal 2111 may be provided on the bottom case 211 through a one-time molding process.

With this structure, the sliding slot 2113 can guide the slider 22, so that the slider 22 can smoothly slide on the housing 21. In addition, the above arrangement facilitates the assembly of the socket 2, specifically, the sliding block 22 and the elastic element 23 may be firstly installed on the bottom case 211, and then the cover 212 is covered on the bottom case 211 to complete the assembly of the socket 2.

In an embodiment, referring to fig. 1-6, as an embodiment of the plug and socket structure provided in the present application, a toggle portion 222 is protruded from a side of the slider 22 facing away from the terminal 2111. The bottom shell 211 is provided with a notch 2114 for the toggle portion 222 to extend out, and the toggle portion 222 is toggled along the direction of the slider 22 away from the insertion hole 2112 to drive the abutting portion 221 to retract into the sliding slot 2113.

The toggle portion 222 may be a block-shaped structure protruding from the slider 22, and the block-shaped structure may be disposed on a surface of the slider 22 facing the outside of the housing 21 through a one-step molding process. When the abutting portion 221 extends into the insertion hole 2112, the striking portion 222 abuts against a side wall surface of the notch 2114 adjacent to the insertion hole 2112.

The structure is convenient for a user to apply external force to the slider 22 through the toggle part 222, and in addition, the notch 2114 can also limit the moving stroke of the slider 22, so that the slider 22 is prevented from being separated from the shell 21.

In a more specific embodiment, referring to fig. 1-6, as a specific implementation of the plug and socket structure provided by the embodiment of the present application, a limiting portion 2121 extending into the notch 2114 is convexly disposed on the cover 212, and two ends of the toggle portion 222 perpendicular to the sliding direction of the slider 22 respectively abut against the limiting portion 2121 and a side of the notch 2114 facing the limiting portion 2121.

For example, the limiting portion 2121 may be a rectangular plate-like structure protruding from the cover 212, and the width of the limiting portion 2121 matches the width of the notch 2114. Fig. 1 shows that the slider 22 can slide along the length direction of the housing 21, the top end of the toggle portion 222 abuts against the limiting portion 2121, and the bottom end abuts against the bottom wall of the notch 2114.

This structure, can carry on spacingly and then carry on spacingly to slider 22 to toggle portion 222 through spacing portion 2121 and breach 2114, avoid slider 22 to take place to rock at gliding in-process for slider 22 can be more smooth and easy slide on casing 21.

In an embodiment, referring to fig. 2, fig. 5 and fig. 7, as a specific implementation of the plug and socket structure provided in the embodiment of the present application, the sliding block 22 is provided with a receiving groove 223 for receiving the elastic element 23 and an opening 224 communicating with the receiving groove 223, and the opening 224 is located on a side of the receiving groove 223 away from the insertion hole 2112. A connecting section 2115 parallel to the extending direction of the sliding slot 2113 is provided in the sliding slot 2113, and the connecting section 2115 is inserted through the opening 224 and abuts against the end of the elastic member 23.

Illustratively, the receiving groove 223 is located on a side of the slider 22 facing the inside of the housing 21, and the elastic member 23 may be placed in the receiving groove 223 in advance when the slider 22 is assembled. Wherein, one end of the elastic element 23 away from the connecting section 2115 abuts against one side wall surface of the receiving groove 223 facing the insertion hole 2112. The connection section 2115 may be a plate-shaped structure provided in the sliding slot 2113, and may be provided on the bottom case 211 through a one-step molding process, and when the slider 22 is assembled with the bottom case 211, an end portion of the connection section 2115 passes through the opening 224 and extends into the receiving cavity.

The two ends of the elastic member 23 can be connected with the housing 21 and the slider 22 respectively by the above arrangement, and in addition, the slider 22 is convenient for the assembly of the elastic member 23 by placing the elastic member 23 in the accommodating groove 223 in advance before the assembly.

In an embodiment, referring to fig. 2, fig. 5 and fig. 7, as a specific implementation of the plug and socket structure provided in the embodiment of the present application, a supporting section 2116 is protruded in the sliding slot 2113, and the supporting section 2116 faces the notch of the receiving groove 223 and abuts against the sliding block 22.

Illustratively, the support section 2116 includes a first support tab and a second support tab, an end of the first support tab is connected to an end of the connection section 2115 facing the insertion hole 2112, and an extending direction of the first support tab is parallel to an extending direction of the connection section 2115. It will be appreciated that the first support tab is disposed opposite the notch of the receiving groove 223. The end of the second supporting sheet is connected with the middle of the first supporting sheet, and after the slider 22 is assembled with the bottom case 211, the second supporting sheet abuts against the slider 22.

In this embodiment, the supporting section 2116 is arranged to support the slider 22, and the supporting section 2116 can prevent the elastic member 23 from coming out of the accommodating groove 223, thereby ensuring the reliability of the connection between the elastic member 23 and the housing 21 and the slider 22.

In an embodiment, referring to fig. 2, fig. 7 and fig. 8, as a specific implementation manner of the plug and socket structure provided in the embodiment of the present application, the number of the bosses 11 and the abutting portions 221 is two, the two bosses 11 are respectively protruded on two opposite sides of the plug 1, the two abutting portions 221 are disposed on the slider 22 at intervals, and each abutting portion 221 is used for abutting against the corresponding boss 11.

Fig. 2 shows that the two bosses 11 are respectively disposed on two opposite sides of the plug 1 in the height direction of the plug 1, and after the plug 1 extends into the insertion hole 2112 and is electrically connected to the terminal 2111, the two abutting portions 221 of the slider 22 are respectively located on two opposite sides of the plug 1, and the two abutting portions 221 abut against the two bosses 11 in a one-to-one correspondence.

This structure, two butt portions 221 of slider 22 offset with two bosss 11 of plug 1 respectively, have improved slider 22 to the spacing reliability of plug 1 for plug 1 can not take place the upset in jack 2112, avoids appearing the power polarity short circuit between plug 1 and the socket 2, and then avoids accidents such as electric shock or conflagration.

In an embodiment, referring to fig. 2, fig. 7 and fig. 8, as a specific implementation of the plug and socket structure provided by the embodiment of the present application, an end of the boss 11 is provided with a guide surface 111, the guide surface 111 is located on a side of the boss 11 facing the terminal 2111, and the guide surface 111 is used for pushing the abutting portion 221 when the plug 1 extends into the insertion hole 2112 so that the boss 11 goes over the abutting portion 221.

The guide surface 111 may be an inclined surface inclined from the axial direction of the insertion hole 2112, and the inclination angle of the inclined surface may be set according to actual needs. In other embodiments, the guiding surface 111 may be a smooth arc surface, which is not limited herein. This structure is convenient for a user to insert the plug 1 into the socket 2 and electrically connect with the terminal 2111, specifically, when the plug 1 is connected with the socket 2, the user does not need to apply an external force to the slider 22, when the plug 1 is inserted into the insertion hole 2112 and the boss 11 abuts against the abutment portion 221, as the plug 1 continues to be inserted into the insertion hole 2112, the boss 11 applies an external force to the abutment portion 221 through the guide surface 111, and the external force pushes the abutment portion 221 to disengage from the insertion hole 2112 so that the boss 11 can pass over the abutment portion 221, and when the boss 11 passes over the abutment portion 221, the abutment portion 221 re-extends into the insertion hole 2112 under the elastic force of the elastic member 23 and abuts against one surface of the boss 11 departing from the terminal 2111.

In an embodiment, referring to fig. 2 and 8, as an embodiment of the plug and socket structure provided in the embodiment of the present application, the two ends of the boss 11 along the length direction thereof are provided with guide surfaces 111.

This structure further facilitates the connection between the plug 1 and the socket 2, i.e. the guiding surface 111 on the plug 1 can ensure that the abutting portion 221 can be pushed to move without specially adjusting the direction of the plug 1 during the process of inserting the plug 1.

In one embodiment, referring to fig. 2-6, as an embodiment of the plug and socket structure provided by the embodiment of the present application, a first connecting barrel 2122 is protruded from the cover 212, a second connecting barrel 2117 into which the first connecting barrel 2122 extends is protruded from the bottom cover 211, and a fastening member connected to the first connecting barrel 2122 is further included for locking the first connecting barrel 2122 to the second connecting barrel 2117.

The number of the first connecting tubes 2122 is not limited, and for example, the number of the first connecting tubes 2122 can be two, and two first connecting tubes 2122 are symmetrically disposed on two sides of a surface of the cover 212 facing the bottom cover 211. The number of the second connector barrels 2117 is the same as the number of the first connector barrels 2122, and the first connector barrels 2122 extend into the corresponding second connector barrels 2117 in one-to-one correspondence. Here, a screw may be used as a fastening member, and a stopper piece abutting against an end of the first connecting cylinder 2122 is provided in the second connecting cylinder 2117, and the screw passes through the stopper piece and is connected to the first connecting cylinder 2122, thereby locking the first connecting cylinder 2122 to the second connecting cylinder 2117.

In this embodiment, the first connecting barrel 2122 and the second connecting barrel 2117 can achieve mutual positioning between the cover 212 and the bottom housing 211, improve alignment accuracy between the cover 212 and the bottom housing 211, and ensure reliability of connection between the cover 212 and the bottom housing 211.

The following describes the operation process of the plug-and-socket structure provided by this embodiment with reference to fig. 2 and fig. 8-11, when the plug 1 is connected with the socket 2, the guide surface 111 on the boss 11 of the plug 1 pushes the abutment portion 221 so that the boss 11 can pass over the abutment portion 221, and after the boss 11 passes over the abutment portion 221, the abutment portion 221 extends into the insertion hole 2112 under the elastic force of the elastic member 23 and abuts against a surface of the boss 11 away from the terminal 2111, that is, the plug-and-socket structure changes from the state shown in fig. 9 to the state shown in fig. 10. When the plug 1 needs to be pulled out, the user applies an external force to the toggle part 222 to change the plug-and-socket structure from the state shown in fig. 10 to the state shown in fig. 11, and the plug 1 can be pulled out smoothly after the abutting part 221 is separated from the insertion hole 2112.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. The plug and socket structure is characterized by comprising a socket and a plug matched with the socket;

a boss is convexly arranged on the side wall of the plug;

the socket comprises a shell, a sliding block and an elastic piece, wherein the sliding block is arranged on the shell, the elastic piece is connected between the sliding block and the shell, the shell is provided with a terminal which is electrically connected with the plug and a jack which is used for allowing the plug to stretch into, the sliding block faces towards one end of the jack, the protruding abutting portion matched with the boss is arranged at one end of the jack, and the elastic piece is used for driving the abutting portion to stretch into the jack and deviating from the boss from one side of the terminal to abut against.

2. The plug and socket structure according to claim 1, wherein the housing includes a bottom shell and a cover covering the bottom shell, the terminals and the insertion holes are respectively disposed on the bottom shell, a sliding slot communicating with the insertion hole is disposed on the bottom shell, and the sliding block is slidably disposed in the sliding slot.

3. The plug and socket structure according to claim 2, wherein a poking portion is convexly provided on a side of the slider away from the terminal, a notch for the poking portion to extend out is provided on the bottom case, and the poking portion is poked along a direction in which the slider is away from the insertion hole to drive the abutting portion to retract into the sliding groove.

4. The plug and socket structure according to claim 3, wherein a limiting portion protruding into the notch is convexly provided on the cover, and both ends of the toggle portion perpendicular to the sliding direction of the slider respectively abut against the limiting portion and one side of the notch facing the limiting portion.

5. The plug and socket structure according to claim 2, wherein the sliding block is provided with an accommodating groove for accommodating the elastic member and an opening communicated with the accommodating groove, the opening is located on a side of the accommodating groove away from the insertion hole, the sliding groove is provided therein with a connecting section parallel to an extending direction of the sliding groove, and the connecting section penetrates through the opening and abuts against an end of the elastic member.

6. The plug and socket arrangement of claim 5, wherein said channel is convexly provided with a support section, said support section facing the notch of said receiving groove and abutting against said slider.

7. The plug and socket structure according to any one of claims 1 to 6, wherein the number of said bosses and said abutting portions is two, two of said bosses are respectively protruded on opposite sides of said plug, two of said abutting portions are arranged on said slider at intervals, and each of said abutting portions is respectively adapted to abut against a corresponding one of said bosses.

8. The plug receptacle structure according to any one of claims 1 to 6, wherein an end of the boss is provided with a guide surface on a side of the boss facing the terminal, the guide surface being adapted to push against the abutting portion so that the boss passes over the abutting portion when the plug is inserted into the insertion hole.

9. The plug and socket arrangement of claim 8, wherein said boss is provided with guide surfaces at both ends along its length.

10. The plug and socket structure of claim 2, wherein the cover has a first connecting cylinder protruding thereon, the bottom housing has a second connecting cylinder protruding thereon for the first connecting cylinder to extend into, and the plug and socket structure further comprises a fastener connected to the first connecting cylinder, the fastener being used for locking the first connecting cylinder to the second connecting cylinder.

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