A multi-scene applicable adapter socket

Abstract

The utility model discloses a kind of multi-scene applicable adapter socket, including first electricity body;Second electricity body, with the electrical connection of first electricity body, first electricity body can slide with second electricity body;Limiting structure, including the first limiting portion of first electricity body and the second limiting portion of second electricity body, first limiting portion and second limiting portion are set along the sliding direction of first electricity body, first limiting portion and second limiting portion can abut, to limit the sliding of first electricity body relative to second electricity body.The adapter socket of the application is combined by limiting structure and connecting structure, the relative sliding connection of electricity body is realized, so that adapter socket can be adjusted according to the step of 86 type wall plug convex strip, can be completely close to wall, avoid adapter socket and wall body between suspended and lead to adapter socket and wall plug unstable, improve power safety.

Description

Technical Field

[0001] This utility model relates to the field of adapter socket technology, and in particular to an adapter socket applicable to multiple scenarios. Background Technology

[0002] It is known that most multi-hole adapter sockets on the market are fixed, making it difficult to adapt to different usage scenarios and resulting in a very limited user experience. In particular, when encountering different 86-type wall socket protrusions, existing adapter sockets cannot be adjusted according to the wall to ensure that the socket fits perfectly against the wall. This results in a gap between the socket and the wall, causing the plug to tilt when inserted into the socket, leading to unstable plugging and poor contact, which can even cause safety hazards. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a multi-scenario applicable adapter socket that can be used with different 86-type wall socket protrusions, enabling the adapter socket to be used in various scenarios, ensuring the stability of the power strip during use, reducing safety risks such as loosening of electrical appliances and short circuits caused by changes in the position of the power strip, and helping to ensure electrical safety.

[0004] A multi-scenario applicable adapter socket according to an embodiment of the present utility model includes:

[0005] First electrical contact;

[0006] The second contactor is electrically connected to the first contactor, and the first contactor is able to slide relative to the second contactor.

[0007] The limiting structure includes a first limiting part located on the first contactor and a second limiting part located on the second contactor. The first limiting part and the second limiting part are arranged along the sliding direction of the first contactor. The first limiting part and the second limiting part can abut against each other to limit the sliding of the first contactor relative to the second contactor.

[0008] A multi-scenario applicable adapter socket according to an embodiment of the present invention has at least the following beneficial effects: The adapter socket provided in this application mainly consists of a first contact body and a second contact body, wherein the first contact body and the second contact body can slide relative to each other, allowing the adapter socket to adapt to different 86-type wall socket protrusions, thus improving the flexibility of the adapter socket. That is, it can be understood that when a user uses the adapter socket of this application, the position of the first contact body relative to the second contact body can be adjusted so that the first contact body and the second contact body can be adjusted according to the step gradient of the 86-type wall socket protrusion, so that the first contact body and the second contact body can be completely flush with the wall, avoiding the adapter socket being suspended between the adapter socket and the wall and causing unstable plug-in connection between the adapter socket and the wall socket, thereby improving electrical safety. Furthermore, to ensure a stable connection between the first and second electrical contacts, this application also provides a first limiting part and a second limiting part on the first and second electrical contacts respectively. These two parts are arranged along the sliding direction and can abut against each other, thereby limiting the sliding of the first and second electrical contacts. This effectively prevents problems such as poor connection or damage caused by excessive sliding of the electrical contacts, or prevents the first and second electrical contacts from separating under the influence of gravity, effectively improving safety in use. The adapter socket of this application, through the combination of the limiting structure and the connecting structure, achieves a relative sliding connection of the electrical contacts while limiting the sliding range through the cooperation of the limiting parts. This simplifies the overall structure, improves reliability and stability, and when the user does not need to use the adapter socket, simply resetting the first and second electrical contacts reduces the space occupied by the adapter socket, making it convenient for storage.

[0009] According to an embodiment of the present invention, a multi-scenario applicable adapter socket further includes a connection structure, the connection structure including a slide groove and a slide rail, the slide rail being disposed on the first power contact body, the slide groove being disposed on the second power contact body, the slide rail being movable along the slide groove so that the first power contact body can slide relative to the second power contact body.

[0010] The advantage is that the cooperation of the chute and the rail prevents the electrical contact from sliding out too much, which could lead to circuit breakage or electric shock. In addition, when the first electrical contact and the second electrical contact slide relative to each other, the chute and the rail can also provide guidance, making the sliding between the first electrical contact and the second electrical contact smoother and more stable.

[0011] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein the first limiting part is located on the slide rail, the second limiting part is located on the slide groove, and the first limiting part and the second limiting part are arranged on the same side.

[0012] Advantageously, by providing a first limiting part and a second limiting part on the first and second electrical contacts respectively, which are arranged along the sliding direction and can abut against each other, the sliding of the first and second electrical contacts is restricted, effectively preventing problems such as poor connection or damage caused by excessive sliding of the electrical contacts, or preventing the first and second electrical contacts from separating under the action of gravity, thus effectively improving the safety of use.

[0013] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein the end of the slide rail forms a first limiting part, and the end of the slide groove forms a second limiting part.

[0014] The advantage is that when the slide rail slides in the groove, the two ends of the slide rail can collide and abut against the bottom end of the groove along the sliding direction. It can be understood that the length of the groove itself can form the travel limit of the slide rail. The travel limit of the relative sliding of the first and second electrical contacts can be achieved without adding a limiting component, which helps to reduce manufacturing costs.

[0015] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein the slide groove is a semi-enclosed groove with a movable opening, and the slide rail is provided with a second connecting part, which can pass through the movable opening and connect to the first power contact body.

[0016] The advantage is that the movable opening provides a sliding range with guiding constraints for the second connection part of the slide rail, which can guide the slide rail when it slides in the groove.

[0017] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein the sliding groove includes a first groove and a second groove, the first groove and the second groove are connected, the second groove is disposed on the same side as the first power contact body, and the movable opening is located on the second groove.

[0018] Advantageously, the cooperation between the first groove and the second groove with the movable opening can form a three-dimensional limit on the slide rail, thereby further improving the stability of the first and second electrical contacts when sliding relative to each other.

[0019] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein the slide rail further includes a first connecting part, the first connecting part is connected to one end of a second connecting part, the first connecting part is located in the first groove, and the second connecting part extends from the first groove to the second groove.

[0020] The advantage is that the first groove constrains the first connecting part, and the second groove constrains the second connecting part. The two form a three-dimensional limit, which helps to improve the guiding stability of the first and second electrical contacts when they slide relative to each other.

[0021] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein the slide groove is a T-shaped groove and the slide rail is a T-shaped structure that can be connected to it.

[0022] The advantage is that the combination of T-shaped groove and T-shaped rail helps to improve the guiding stability of the first and second electrical contacts when they slide relative to each other, and reduces the shaking of the first and second electrical contacts when they slide relative to each other.

[0023] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided with a raised strip on the inner wall of the slide rail, and a plurality of the raised strips are arranged at intervals, and the raised strips can abut against the outer wall of the slide rail.

[0024] Beneficially, the raised strip can enhance the tightness of the connection between the slide rail and the slide groove, reduce shaking and loosening during the sliding process, and at the same time improve the strength and wear resistance of the structure to a certain extent.

[0025] According to an embodiment of the present invention, a multi-scenario applicable adapter socket is provided, wherein a plurality of the sliding grooves are arranged at intervals on the second electrical contact body, and the slide rails are correspondingly matched with the sliding grooves.

[0026] The advantage is that the cooperation of multiple slides and rails can further improve the guiding stability of the first and second electrical contacts when they slide relative to each other, reduce the shaking of the first and second electrical contacts when they slide relative to each other, and help ensure electrical safety.

[0027] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0028] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0029] Figure 1 This is a first state diagram of the adapter socket according to an embodiment of the present utility model;

[0030] Figure 2 This is a second state diagram of the adapter socket according to an embodiment of the present utility model.

[0031] Figure 3 This is an exploded view of the adapter socket according to an embodiment of the present utility model;

[0032] Figure 4 This is an exploded view of the housing of the second electrical contact component according to an embodiment of the present invention;

[0033] Figure 5 This is a partial cross-sectional view of the adapter socket according to an embodiment of the present utility model;

[0034] Explanation of reference numerals in the attached figures:

[0035] First electrical contact 100; slide rail 110; first connecting part 111; first limiting part 1111; second connecting part 112; power plug 120;

[0036] Second electrical contact 200; slide 210; first groove 211; second limiting part 2111; second groove 212; movable opening 2121; protrusion 213;

[0037] Adapter socket 220; clearance groove 230; cable outlet 240; upper housing 250; lower housing 260. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0039] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In the description of a utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first" and "second" are used, they are merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or the order of the indicated technical features.

[0041] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0042] Reference Figures 1 to 3 This utility model embodiment provides a multi-scenario applicable adapter socket, wherein the adapter socket mainly consists of a first contact body 100 and a second contact body 200. See also... Figures 1 to 2The first contact body 100 and the second contact body 200 can slide relative to each other, so that the adapter socket can be adjusted according to the stepped design of the 86-type wall socket protrusion 213, so that the first contact body 100 and the second contact body 200 can be completely flush with the wall, avoiding the adapter socket being suspended between the adapter socket and the wall, which would cause unstable connection between the adapter socket and the wall socket, thus improving electrical safety.

[0043] like Figure 3 As shown, the second contact body 200 is provided with a relief groove 230. One end of the first contact body 100 is inserted into the relief groove 230, so that the relief groove 230 can include part of the first contact body 100. On the one hand, it can reduce the overall volume of the adapter socket and facilitate storage. On the other hand, the relief groove 230 can constrain part of the structure of the first contact body 100 in three directions, which helps to ensure the stability of the first contact body 100 and the second contact body 200 when they slide relative to each other.

[0044] In addition, such as Figure 3 As shown, the bottom of the clearance groove 230 is provided with a cable outlet 240. The connecting wire of the second electrical contact 200 (not shown in the figure) can pass through the cable outlet 240 and connect to the internal electrical contact element of the first electrical contact 100 to realize the electrical connection between the first electrical contact element and the second electrical contact element.

[0045] Furthermore, the second connector may be equipped with a winding mechanism (not shown in the figure). The winding mechanism (not shown in the figure) can extend and retract the connecting wire (not shown in the figure), so that when the first connector 100 and the second connector 200 slide relative to each other, the extension length of the connecting wire can be changed in real time according to the sliding stroke of the first connector 100 and the second connector 200. This avoids the connecting wire extending too much and accumulating in the clearance groove 230, which would affect the connection between the first connector 100 and the second connector, or the connecting wire extending too little, which would affect the user's use.

[0046] According to some embodiments of this application, the first power contact 100 is provided with a power plug 120, and the second power contact 200 is provided with a plurality of adapter sockets 220, wherein the power plug 120 is used to connect to a wall socket installed on the wall.

[0047] Specifically, such as Figure 3 As shown, the first electrical contact 100 is provided with a slide rail 110, and correspondingly, the second electrical contact 200 is provided with a slide groove 210 that can cooperate with the slide rail 110, wherein the slide groove 210 is located within the clearance groove 230. The slide rail 110 and the slide groove 210 constitute the connection structure between the first electrical contact 100 and the second electrical contact 200.

[0048] The cooperation of the slide groove 210 and the slide rail 110 prevents the electrical contact from sliding out excessively, which could lead to circuit disconnection or electric shock risk. Furthermore, when the first electrical contact 100 and the second electrical contact 200 slide relative to each other, the slide groove 210 and the slide rail 110 can also provide a guiding function, making the sliding between the first electrical contact 100 and the second electrical contact 200 smoother and more stable.

[0049] Furthermore, the second electrical contact 200 is provided with multiple sliding grooves 210, which are arranged circumferentially around the central axis of the clearance groove 230. Correspondingly, the slide rails 110 are matched with each other. By setting multiple sets of connection structures, the connection stability of the first electrical contact 100 and the second electrical contact 200 is improved, and the shaking when the first electrical contact and the second electrical contact 200 slide relative to each other is reduced, which helps to ensure electrical safety.

[0050] Furthermore, to ensure a stable connection between the first contact 100 and the second contact 200, a first limiting part 1111 and a second limiting part 2111 are respectively provided on the first contact 100 and the second contact 200. The two are arranged along the sliding direction and can abut against each other, thereby realizing the sliding restriction of the first contact 100 and the second contact 200, effectively preventing problems such as poor connection or damage caused by excessive sliding of the contact, or preventing the first contact 100 and the second contact 200 from separating under the action of gravity, thus effectively improving the safety of use.

[0051] Specifically, the first limiting part 1111 is located on the slide rail 110, while the second limiting part 2111 is located on the slide groove 210, and the first limiting part 1111 and the second limiting part 2111 are arranged on the same side. When the first contactor 100 and the second contactor 200 slide relative to each other, the first limiting part 1111 and the second limiting part 2111 can abut against each other to form a constraint on the sliding stroke of the first contactor 100 and the second contactor 200, effectively preventing problems such as poor connection or damage caused by excessive sliding of the contactor, or preventing the first contactor 100 and the second contactor 200 from separating under the action of gravity, effectively improving the safety of use.

[0052] Optionally, a limiting block can be provided on the slide rail 110 to form a first limiting part 1111, and correspondingly, a limiting groove can be provided on the slide groove 210 to form a second limiting part 2111.

[0053] Preferably, the end of the slide rail 110 forms a first limiting part 1111, and the end of the slide groove 210 forms a second limiting part 2111. When the slide rail 110 slides in the slide groove 210, along the sliding direction, both ends of the slide rail 110 can respectively collide and abut with the bottom end of the slide groove 210. It can be understood that the length of the slide groove 210 itself can form the travel limit of the slide rail 110. The travel limit of the relative sliding of the first electrical contact 100 and the second electrical contact 200 can be achieved without adding a limiting component, which helps to reduce manufacturing costs.

[0054] According to some embodiments of this application, such as Figure 3 As shown, the slide 210 is a semi-enclosed groove with a movable opening 2121. Specifically, the slide 210 includes a first groove 211 and a second groove 212. The first groove 211 and the second groove 212 are connected. The second groove 212 is disposed on the same side as the first electrical contact 100, and the movable opening 2121 is located on the second groove 212. Further, the slide rail 110 includes a first connecting portion 111 and a second connecting portion 112. The first connecting portion 111 is connected to one end of the second connecting portion 112. The first connecting portion 111 is located inside the first groove 211. The second connecting portion 112 extends from the first groove 211 to the second groove 212, and the second connecting portion 112 can pass through the movable opening 2121 and connect to the first electrical contact 100.

[0055] That is, it can be understood that the cooperation between the first groove 211 and the second groove 212 with the movable opening 2121 forms a three-dimensional limiting of the slide rail 110. Specifically, the first groove 211 constrains the first connecting part 111, and the second groove 212 constrains the second connecting part 112. The two together form a three-dimensional limiting, which helps to improve the guiding stability of the first contactor 100 and the second contactor 200 when they slide relative to each other. Furthermore, the movable opening 2121 provides a sliding range with guiding constraints for the second connecting part 112 of the slide rail 110, which can guide the slide rail 110 when it slides within the groove 210.

[0056] Preferably, such as Figure 3 As shown, the slide groove 210 is a T-shaped groove, and the slide rail 110 is a T-shaped structure that can be connected to it. The T-shaped slide groove 210 and the T-shaped slide rail 110 cooperate to improve the guiding stability of the first electrical contact 100 and the second electrical contact 200 when they slide relative to each other, and reduce the shaking of the first electrical contact 100 and the second electrical contact 200 when they slide relative to each other.

[0057] According to some embodiments of this application, the second electrical contact 200 includes a housing, specifically, as shown in... Figure 4As shown, the outer shell consists of an upper shell 250 and a lower shell 260. A sliding groove 210 is provided on the upper shell 250, and an opening is provided at one end of the sliding groove 210 near the lower shell 260. When the upper shell 250 and the lower shell 260 are assembled and fixed, the outer wall of the lower shell 260 can abut against the opening to form a second abutment part.

[0058] That is, it can be understood that when the first electrical contact 100 is assembled with the second electrical contact body, the slide rail 110 can be inserted into the slide groove 210 from the opening of the upper housing 250, and then the lower housing 260 covers the upper housing 250. The outer wall of the lower housing 260 seals the opening to form the end of the slide groove 210, which facilitates disassembly and assembly.

[0059] Furthermore, the open end of the slide groove 210 is chamfered to form a first guide portion, and the end of the slide rail 110 is also chamfered to form a second guide portion, so that the slide groove 210 and the slide rail 110 can be inserted into each other.

[0060] According to some embodiments of this application, the inner wall of the first groove 211 is provided with protrusions 213, a plurality of protrusions 213 are arranged at intervals, and the protrusions 213 can abut against the outer wall of the slide rail 110. Specifically, as Figure 5 As shown, at least three protrusions 213 are located on the three walls of the first groove 211, respectively abutting against the three outer walls of the first connecting part 111. The three protrusions 213 exert a pushing force on the first connecting part 111 from three directions, improving the tightness of the connection between the slide rail 110 and the slide groove 210. The tightness of the connection between the slide rail 110 and the slide groove 210 through the protrusions 213 can reduce shaking and loosening during sliding, while also improving the strength and wear resistance of the structure to a certain extent. Furthermore, when the adapter socket is flush against the wall, it can reduce the probability of the adapter socket being suspended from the wall.

[0061] Furthermore, the end of the protrusion 213 facing the first electrical contact 100 has an arc-shaped surface.

[0062] Optionally, the protrusion 213 may be made of a material with a certain degree of elasticity, so that when the slide groove 210 is connected to the slide rail 110, the connection between the slide rail 110 and the slide groove 210 can be further enhanced, the sliding stability of the slide groove 210 and the slide rail 110 can be improved, and electrical safety can be guaranteed.

[0063] The adapter socket provided in this application mainly consists of a first contact body 100 and a second contact body 200. The first contact body 100 and the second contact body 200 are slidable relative to each other, allowing the adapter socket to adapt to different 86-type wall socket protrusions 213, thus improving the flexibility of the adapter socket. That is, it can be understood that when using the adapter socket of this application, the user can adjust the position of the first contact body 100 relative to the second contact body 200, so that the first contact body 100 and the second contact body 200 can be adjusted according to the stepped design of the 86-type wall socket protrusions 213, ensuring that the first contact body 100 and the second contact body 200 are completely flush with the wall. This avoids the adapter socket being suspended between itself and the wall, which could lead to unstable connection between the adapter socket and the wall socket, thus improving electrical safety. Furthermore, to ensure a stable connection between the first contact 100 and the second contact 200, this application also provides a first limiting part 1111 and a second limiting part 2111 on the first contact 100 and the second contact 200, respectively. These two parts are arranged along the sliding direction and can abut against each other, thereby limiting the sliding of the first contact 100 and the second contact 200. This effectively prevents problems such as poor connection or damage caused by excessive sliding of the contact parts, or prevents the first contact 100 and the second contact 200 from separating under the influence of gravity, effectively improving the safety of use. The adapter socket of this application, through the combination of the limiting structure and the connecting structure, achieves a relative sliding connection of the contact parts and limits the sliding range through the cooperation of the limiting parts. This simplifies the overall structure, improves reliability and stability, and when the user does not need to use the adapter socket, simply resetting the first contact 100 and the second contact 200 reduces the space occupied by the adapter socket, making it convenient for storage.

[0064] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0065] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A multi-scenario applicable adapter socket, characterized in that, include: First electrical contact (100); The second contact (200) is electrically connected to the first contact (100), and the first contact (100) is able to slide relative to the second contact (200); The limiting structure includes a first limiting part (1111) located on the first power contact (100) and a second limiting part (2111) located on the second power contact (200). The first limiting part (1111) and the second limiting part (2111) are arranged along the sliding direction of the first power contact (100). The first limiting part (1111) and the second limiting part (2111) can abut against each other to limit the sliding of the first power contact (100) relative to the second power contact (200).

2. The adapter socket applicable to multiple scenarios according to claim 1, characterized in that, It also includes a connection structure, which includes a slide groove (210) and a slide rail (110). The slide rail (110) is disposed on the first electrical contact (100), and the slide groove (210) is disposed on the second electrical contact (200). The slide rail (110) can move along the slide groove (210) so that the first electrical contact (100) can slide relative to the second electrical contact (200).

3. The adapter socket applicable to multiple scenarios according to claim 2, characterized in that, The first limiting part (1111) is located on the slide rail (110), and the second limiting part (2111) is located on the slide groove (210). The first limiting part (1111) and the second limiting part (2111) are arranged on the same side.

4. The adapter socket applicable to multiple scenarios according to claim 3, characterized in that, The first limiting part (1111) is formed at the end of the slide rail (110), and the second limiting part (2111) is formed at the end of the slide groove (210).

5. A multi-scenario applicable adapter socket according to claim 2, characterized in that, The slide groove (210) is a semi-enclosed groove with a movable opening (2121). The slide rail (110) is provided with a second connecting part (112), which can pass through the movable opening (2121) and connect to the first electrical contact (100).

6. A multi-scenario applicable adapter socket according to claim 5, characterized in that, The slide (210) includes a first groove (211) and a second groove (212). The first groove (211) is connected to the second groove (212). The second groove (212) is disposed on the same side as the first power contact (100). The movable port (2121) is located on the second groove (212).

7. A multi-scenario applicable adapter socket according to claim 6, characterized in that, The slide rail (110) further includes a first connecting part (111), which connects to one end of the second connecting part (112). The first connecting part (111) is located in the first groove (211), and the second connecting part (112) extends from the first groove (211) to the second groove (212).

8. A multi-scenario applicable adapter socket according to claim 7, characterized in that, The slide groove (210) is a T-shaped groove, and the slide rail (110) is a T-shaped structure that can be connected to it.

9. A multi-scenario applicable adapter socket according to claim 2, characterized in that, The inner wall of the slide groove (210) is provided with a protrusion (213), and a plurality of the protrusions (213) are arranged at intervals. The protrusions (213) can abut against the outer wall of the slide rail (110).

10. A multi-scenario applicable adapter socket according to claim 2, characterized in that, Multiple slide grooves (210) are arranged at intervals on the second electrical contact body (200), and the slide rail (110) is matched with the slide groove (210).

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