Movable track socket

Abstract

The invention discloses a mobile track socket, which comprises a track and an adapter, the adapter comprises a socket body and a guide arm, the guide arm is fixed at the bottom of the socket body, and the two ends of the guide arm are provided with power taking pieces; an opening and a containing cavity communicated with the opening are formed in the top and the interior of the rail respectively, a first auxiliary sliding groove and a second auxiliary sliding groove are formed in the two sides of the opening of the rail, and a sliding ring base slides on the two auxiliary sliding grooves. The adapter is inserted into the accommodating cavity through the guide arm and is rotationally connected with the sliding ring seat; the adapter can drive the guide arm to rotate and switch back and forth between a power taking potential and a power off potential relative to the sliding ring seat in the accommodating cavity; when the potential is taken, the guide arm is perpendicular to the length direction of the track; and at the power-off position, the length directions of the guide arm and the track are consistent. The internal structure of the socket body of the track socket is simple, excessive arrangement of gears, similar cam components and the like is not needed, and the adapter can slide without electricity after the adapter is rotated to a power-off position.

Description

Technical Field

[0001] The invention relates to the technical field of sockets, in particular to a mobile track socket. Background Art

[0002] Compared with the disadvantage of fixed sockets that are limited to fixed positions for power supply, the most prominent advantage of mobile track sockets is that users can slide the adapter in the track to move the adapter arbitrarily within a range, so that the adapter can power appliances in multiple locations. Therefore, in the field of sockets, mobile track sockets are quite popular among the public.

[0003] In view of this, many types of mobile track sockets have appeared on the market, which basically have an adapter and a long track. The track can be installed on the wall, and the track is provided with a slot and a power supply sheet, and the power supply sheet is electrically connected to the wall power line. Most adapters include a power extraction sheet and a socket. When the track socket needs to be used, the power extraction sheet of the adapter is inserted into the slot and contacts the power supply sheet in the slot. Then, the plug of the electrical appliance is inserted into the socket of the adapter, and the electrical appliance can draw power from the adapter.

[0004] For safety reasons, the mobile track socket requires that the adapter can slide without power when sliding along the track slot. For this reason, most adapters are equipped with guide arms at the bottom, and power extraction plates are arranged on both sides of the guide arms. When sliding without power, the power extraction plate is retracted into the guide arm, disconnecting the contact with the power supply plate in the track slot; when power is needed, the control part inside the adapter controls the power extraction plate to expand relative to the guide arm to achieve contact with the power supply plate in the track slot and power on. For example, the invention patent with patent publication number CN117317742A.

[0005] Although the above-mentioned type of mobile track socket can realize the non-electrical sliding of the adapter in the track slot, during the inventor's research, looking at the currently sold products and the above-mentioned disclosed invention patents, for the overall structure to realize the non-electrical sliding, it is either realized by using multiple gears or by multiple cam-like structural components for transmission (refer to the technical solution disclosed in patent publication number CN117317742A), and the setting of multiple spring components is also a necessary component of this type of mobile track socket, which ultimately leads to a complex internal structure of the adapter, especially after multiple components, such as gears, cam-like components, spring components, etc. are assembled, as the use time accumulates, it is necessary to switch the contact or non-contact state countless times, and it is difficult for the above-mentioned assembled components to always maintain a good and stable matching state, which is bound to affect the use.

[0006] In view of this, how to develop and create a mobile track socket with a new structure that can not only realize the non-powered sliding of the adapter but also avoid the complicated setting of multiple gears, multiple cam-like structures and multiple spring components is a technical problem that the inventor needs to solve. Summary of the invention

[0007] The embodiment of the present application provides a mobile track socket, which can solve the technical problems existing in the related art. The technical solution of the mobile track socket is as follows: A mobile track socket is provided, comprising a track and an adapter, wherein the adapter comprises a socket body and a guide arm; The guide arm is fixedly connected to the bottom of the socket body, and the two ends of the guide arm along the length direction are respectively provided with outwardly protruding power-taking parts; The top and the inside of the track are respectively provided with an opening extending along the length direction of the track and a receiving cavity connected to the opening, and the track is also symmetrically provided with a first auxiliary slide groove and a second auxiliary slide groove extending along the length direction of the track on both sides of the opening, and a sliding ring seat is slidably provided on the first auxiliary slide groove and the second auxiliary slide groove; The adapter is inserted into the accommodating cavity through the guide arm and is rotatably connected to the sliding ring seat. The adapter can drive the guide arm to rotate back and forth between the potential-on and potential-off relative to the sliding ring seat in the accommodating cavity, and the angle between the potential-on and potential-off is 90 degrees. When taking the potential, the guide arm is perpendicular to the length direction of the track; When the potential is off, the guide arm is consistent with the length direction of the track.

[0008] In some embodiments, a rotating ring is fixedly sleeved on the bottom of the socket body, an axially outwardly protruding sliding block is provided on the top of the rotating ring, an engaging groove is provided on the inner side wall of the sliding ring seat, the rotating ring is arranged in the engaging groove and can rotate relative to the sliding ring seat, an arc-shaped groove is provided on the top of the sliding ring seat, the bottom of the arc-shaped groove extends to the engaging groove, the sliding block is arranged in the arc-shaped groove and can slide along the arc-shaped groove, and the arc-shaped groove occupies one quarter of the length of the circle in which it is located.

[0009] In some embodiments, the arc-shaped groove is set as one, the sliding block is set as one, the sliding block is provided with a positioning groove on the side wall near the end, the arc-shaped groove is provided with mounting holes at both ends of the side wall to embed the spring needle, and the elastic contact of the spring needle extends out of the mounting hole in a natural state; when taking the potential, at least one elastic contact is positioned in a positioning groove; when the potential is cut off, at least one elastic contact is also positioned in a positioning groove.

[0010] In some embodiments, two arc-shaped grooves are provided, each arc-shaped groove is equipped with a sliding block, and the sliding block is provided with a positioning groove on the side wall near the end. The arc-shaped groove is provided with a mounting hole on the side wall near the end to embed a spring needle, and the elastic contact of the spring needle extends out of the mounting hole in a natural state; when taking the potential, at least one elastic contact is positioned in a positioning groove; when the potential is cut off, at least one elastic contact is positioned in a positioning groove.

[0011] In some embodiments, the sliding block is a T-shaped sliding block, which has an arc shape that is consistent along the sliding direction.

[0012] In some embodiments, linear sliding blocks are symmetrically arranged on both sides of the sliding ring seat, and the two sliding blocks are respectively slidably connected to the first auxiliary sliding groove and the second auxiliary sliding groove.

[0013] In some embodiments, the rotating ring includes a fixed ring and an embedded rotating ring connected internally and externally, the fixed ring is fixedly sleeved with the bottom of the socket body, the embedded rotating ring rotates in the embedded groove of the sliding ring seat, and the sliding block is arranged on the top of the embedded rotating ring.

[0014] In some embodiments, the fixed collar comprises an inner ring and an outer ring, the outer ring axially protrudes outward from the inner ring, and after the outer ring is arranged in the engagement groove with the engagement swivel, the top surface of the outer ring and the top surface of the sliding ring seat are located on the same plane.

[0015] In some embodiments, the power extraction member includes a power extraction sheet and a power extraction contact, the power extraction sheet is connected to a conductive plug inside the socket body, and the power extraction contact crimps the power extraction sheet to the end of the guide arm along the length direction.

[0016] In some embodiments, the two ends of the upper portion of the guide arm form an inwardly concave arc waist structure, and the lower portion forms an outwardly expanded rectangular body structure.

[0017] The technical solution provided by the embodiment of the present application includes at least the following beneficial effects: The embodiment of the present application provides a mobile track socket, which includes a track, an adapter, and a sliding ring seat. The track is provided with an auxiliary slide groove for the sliding ring seat to slide, and the adapter can be inserted into the accommodating cavity of the track through its guide arm and can be rotatably connected with the sliding ring seat. The adapter can drive the guide arm to rotate back and forth between the potential and the potential cutoff relative to the sliding ring seat in the accommodating cavity. When sliding is required, the adapter can be rotated to drive the guide arm to rotate to the potential cutoff, thereby achieving no driving during sliding.

[0018] Compared with the prior art which relies on the structure in which the conductive sheet on the guide arm is expanded or retracted relative to the guide arm to achieve non-driven sliding, the mobile track socket provided in the embodiment of the present application adopts a completely new concept, which directly drives the guide arm to rotate to the off potential by rotating the adapter. The overall structure can be achieved by a simple structure in which the adapter can rotate relative to the sliding ring seat. There is no need to use multiple gears, multiple springs, and multiple cam-like structures to be set inside the adapter, which can effectively simplify the internal structure of the adapter and effectively ensure that it still maintains good performance after countless switches. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a mobile track socket of the present invention; Figure 2 This is a schematic diagram of the three-dimensional structure of the adapter and the sliding ring seat of a mobile rail socket of the present invention after being assembled (the cover has been removed); Figure 3 This is a schematic diagram of the exploded three-dimensional structure between the adapter, the sliding ring seat and the rotating ring of a mobile rail socket of the present invention (for the convenience of marking, the cover is partially removed); Figure 4 A partial cross-sectional view of the spring pin's elastic contact positioned in the positioning groove (the arc groove and the sliding block are not shown to clearly show the positioning state) Legend 1. Track; 2. Adapter; 3. Socket body; 4. Guide arm; 5. Power-collecting part; 6. Opening; 7. Needle tube; 8. First auxiliary slide groove; 9. Second auxiliary slide groove; 10. Sliding ring seat; 11. Rotating ring; 12. Sliding block; 13. Fitting groove; 14. Arc groove; 15. Positioning groove; 16. Spring needle; 17. Elastic contact; 18. Sliding block; 19. Fixed ring; 20. Fitting rotating ring; 21. Inner ring; 22. Outer ring; 23. Power-collecting sheet; 24. Power-collecting contact; 25. Socket. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In order to achieve non-powered sliding, the existing track socket generally achieves this by switching the conductive sheet on the guide arm to be retracted or extended relative to the guide arm. In order to enable the conductive sheet to be extended or retracted relative to the guide arm, the existing track socket is basically achieved by setting multiple gears, or multiple cam-like structural components and multiple springs, which makes the internal structure of the socket body complicated. In addition, the setting of gears, cam-like structures and multiple springs will also reduce the assembly fit of the product during long-term and numerous switching processes, affecting the use effect of the product.

[0022] Therefore, the inventors have provided a mobile track socket with a new structure in view of the above-mentioned shortcomings of the track socket. The mobile track socket breaks away from the conventional concept and directly drives the guide arm to rotate by rotating the adapter to achieve the disconnection potential to achieve non-powered sliding. This can avoid the need to set up multiple components inside the socket body, significantly simplify the structure inside the socket body, and avoid the impact of multiple components on the use effect of the product due to reduced assembly fit.

[0023] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0024] The present application embodiment provides a mobile track socket, such as Figure 1-Figure 4 As shown, it includes a long rail 1 and a plurality of adapters 2. The adapter 2 includes a socket body 3 and a guide arm 4, the guide arm 4 is fixedly connected to the bottom of the socket body 3, and the two ends of the guide arm 4 along the length direction are respectively provided with outwardly protruding power-collecting parts 5.

[0025] The top and the inside of the track 1 are respectively provided with an opening 6 extending along the length direction of the track 1 and a receiving cavity (not shown) connected to the opening 6. The track 1 is also symmetrically provided with a first auxiliary slide groove 8 and a second auxiliary slide groove 9 extending along the length direction of the track 1 on both sides of the opening 6, and a sliding ring seat 10 is slidably provided on the first auxiliary slide groove 8 and the second auxiliary slide groove 9. And linear sliders 18 are symmetrically provided on both sides of the sliding ring seat 10, and the two sliders 18 are slidably connected to the first auxiliary slide groove 8 and the second auxiliary slide groove 9 respectively. The provision of the two sliders 18 makes the sliding more stable and reliable.

[0026] The adapter 2 is inserted into the accommodating cavity through the guide arm 4 and is rotatably connected to the sliding ring seat 10. The adapter 2 can drive the guide arm 4 to rotate back and forth between the potential taking and the potential breaking relative to the sliding ring seat 10 in the accommodating cavity, and the angle between the potential taking and the potential breaking is 90 degrees. When taking the potential, the guide arm 4 is perpendicular to the length direction of the track 1. When the potential is broken, the guide arm 4 is consistent with the length direction of the track 1.

[0027] By setting the above structure, after rotating the adapter 2, the guide arm 4 can be driven to rotate to the potential-on or potential-off. When it is necessary to glide without power, the adapter 2 can be rotated to drive the guide arm 4 to rotate to the potential-off, so that glide without power can be achieved. When it is necessary to draw power, the adapter 2 can be rotated in the opposite direction again to drive the guide arm 4 to rotate back to the potential-on, so that the external plug can draw power.

[0028] In this embodiment, it should be noted that a power plug (not shown, conductive) is provided inside the socket body 3, and a socket (not marked) is provided at a portion of the socket body 3 corresponding to the power plug for an external plug to be inserted for power supply. For safety considerations, in this embodiment, a rotatable cover (not marked) is also provided to seal the socket for safety precautions, and to effectively prevent dust from accumulating on the power plug and affecting the power supply effect.

[0029] As the power taking component 5 , it maintains electrical connection with the power taking plug-in in the socket body 3 , and the power taking component 5 can rotate along with the socket body 1 driven by the guide arm 4 .

[0030] In this embodiment, the power supply component 5 includes a power supply sheet 23 and a power supply contact 24. The power supply sheet 23 is electrically connected to the conductive plug-in inside the socket body 3. The power supply contact 24 crimps the power supply sheet 23 to the end of the guide arm 4 along the length direction. The power supply contact 24 and the power supply sheet 23 are both conductive components. Compared with the conventional single power supply sheet 23 design, the addition of the power supply contact 24 is not only conducive to the installation of the power supply sheet 23, but also when drawing power, not only the power supply sheet 23 is in conductive contact with the power supply component in the track 1, but also the power supply contact 24 is in conductive contact with the power supply component, thereby achieving double conductive contact and increasing the reliability of conductive contact. Specifically, refer to Figure 2 and Figure 3 , schematically showing possible similar structures of the power extraction sheet 23 and the power extraction contact 24.

[0031] There are many possible implementations to enable the adapter 2 to rotate relative to the sliding ring seat 10. In this embodiment, the following possible implementations are provided: like Figure 2 and Figure 3 As shown, a rotating ring 11 is fixedly sleeved at the bottom of the socket body 3, an axially outwardly protruding sliding block 12 is provided at the top of the rotating ring 11, an engaging groove 13 is provided on the inner side wall of the sliding ring seat 10, the rotating ring 11 is arranged in the engaging groove 13 and can rotate relative to the sliding ring seat 10, an arc groove 14 is provided on the top of the sliding ring seat 10, and the bottom of the arc groove 14 extends to the engaging groove 13, the sliding block 12 is arranged in the arc groove 14 and can slide along the arc groove 14, and the arc groove 14 occupies one quarter of the length of the circle in which it is located.

[0032] In this embodiment, the sliding block 12 is constructed as a T-shaped sliding block, and has an arc shape that is consistent along the sliding direction. Of course, in other embodiments, the sliding block 12 can also be constructed as a rectangular parallelepiped structure, but the overall length cannot be too long.

[0033] It can be seen that in this implementation, the rotating ring 11 fixedly sleeved with the socket body 3 is actually rotatably connected with the sliding ring seat 10, so that the adapter 2 can rotate relative to the sliding ring seat 10. At the same time, the sliding block 12 slides within the arc groove 14 that occupies one-fourth of the circle length, and its sliding angle is 90 degrees, which is exactly the angle between the guide arm 4 at the potential-taking and potential-breaking positions.

[0034] There are many ways to configure the sliding block 12 and the arc groove 14, and the following two embodiments are particularly disclosed: 1. The arc groove 14 is provided as one, the sliding block 12 is provided as one, the sliding block 12 is provided with positioning grooves 15 at both ends of the inner wall, the arc groove 14 is provided with mounting holes (not marked) at both ends near the inner wall to embed the spring pin 16, and the elastic contact 17 of the spring pin 16 extends out of the mounting hole in a natural state; When taking the potential, the guide arm 4 is perpendicular to the length direction of the track 1. At this time, the sliding block 12 slides to one end of the arc groove 14. In this process, the elastic contact 17 of the spring pin 16 located at this end is first squeezed and retracted into the mounting hole on the side wall of the arc groove 14 by the end of the sliding block 12. As the sliding block 12 continues to slide, when the positioning groove 15 reaches the position of the spring pin 16, the elastic contact 17 of the spring pin 16 rebounds into the positioning groove 15 under the action of the internal spring, so that the sliding block 12 is positioned at the potential taking position; When it is necessary to slide without power, the adapter 2 is rotated, and the sliding block 12 is forced to slide back. At this time, the elastic contact 17 of the spring pin 16 is squeezed by the end of the sliding block 12 again and retracted into the mounting hole on the side wall of the arc groove 14, thereby releasing the positioning. The adapter 2 is rotated again until it reaches the other end of the arc groove 14. Similarly, under the action of the spring pin 16, the sliding block 12 is positioned at the off potential. 2. The arc-shaped grooves 14 are provided in two numbers, and each arc-shaped groove 14 is provided with a sliding block 12; One of the sliding blocks 12 is selected to be provided with a positioning groove 15 on the inner side wall, and the positioning groove 15 is provided near the front end of the sliding block 12, and the arc groove 14 matching the sliding block 12 is provided with a mounting hole at the front end of the inner side wall to embed the spring pin 16, and the elastic contact 17 of the spring pin 16 extends out of the mounting hole in a natural state; the other sliding block 12 is also selected to be provided with a positioning groove 15 on the inner side wall, and the positioning groove 15 is provided near the rear end of the sliding block 12, and the arc groove 14 matching the sliding block 12 is provided with a mounting hole at the rear end of the inner side wall to embed the spring pin 16, and the elastic contact 17 of the spring pin 16 extends out of the mounting hole in a natural state; how to achieve positioning, the principle is similar to the first embodiment mentioned above, and will not be repeated here.

[0035] It should be noted that the front end and the rear end of the sliding block 12 can be understood as one end and the other end of the sliding block 12 .

[0036] The spring pin 16 used in the above embodiment can be purchased from outside. It is not used as a precision connection for electronic products, but only used for pressure-touch retraction and pressure-touch release rebound. The shell material can be made of non-copper material, such as steel. Figure 4 The spring needle 16 is a spring-type structure formed by riveting three basic components: an elastic contact 17, a needle tube 7, and a built-in spring (not shown). The tail end of the elastic contact 17 is inserted into the needle tube. Under the action of the spring thrust, the elastic contact 17 can move axially along the needle tube 7.

[0037] There are many possible structures for the specific structure of the rotating ring 11. In the present embodiment, the following structure is provided: the rotating ring 11 includes a fixed sleeve 19 and an interlocking rotating ring 20 connected inside and outside. The fixed sleeve 19 is fixedly sleeved with the bottom of the socket body 3. The interlocking rotating ring 20 rotates in the interlocking groove 13 of the sliding ring seat 10. The sliding block 12 is arranged on the top of the interlocking rotating ring 20. By setting the fixed sleeve 19 and the interlocking rotating ring 20, the fixed sleeve and the rotating connection can be realized on the rotating ring 11, and each part has a clear division of labor and is connected to each other as a whole. There are many ways to realize the above-mentioned fixed sleeve, such as integral injection molding, or by tight fitting, etc.

[0038] Further optimized, the fixed collar 19 has an inner ring 21 and an outer ring 22, the outer ring 22 axially protrudes from the inner ring 21, and after the outer ring 22 is fitted into the fitting groove 13, the top surface of the outer ring 22 and the top surface of the sliding ring seat 10 are located on the same plane. After the outer ring 22 protrudes from the inner ring 21, it is convenient for the inner ring 21 to be fixedly connected with the socket body 3, and the top surface of the outer ring 22 and the top surface of the sliding ring seat 10 are located on the same plane to avoid the appearance of steps on the exposed part, so that the exposed part can be kept flat.

[0039] The guide arm 4 is a component for guiding and setting the power supply member 5, which can slide and guide in the track 1. Considering that the guide arm 4 needs to be rotated during use, the size of the matching part between the guide arm 4 and the track 1 opening 6 is set as small as possible to avoid the opening 6 being too large. Figure 2 and Figure 3 In this embodiment, the two ends of the upper part of the guide arm 4 form an inwardly concave arc waist structure, and the lower part forms an outwardly expanded rectangular body structure. The outwardly expanded rectangular body structure satisfies that when the guide arm 4 takes electric potential, the power-taking parts 5 installed at the two ends of the guide arm 4 along the length direction can contact with the power supply parts in the track 1 to conduct electricity. Of course, in other embodiments, the upper part of the guide arm 4 can also be designed as a cylindrical structure, so that the size of the opening 6 can be minimized.

[0040] It should be noted that the mobile track socket of the present application mainly protects the sliding ring seat 10 and how the adapter 2 realizes rotation relative to the sliding ring seat 10 through the fixed rotating ring 11, while the power supply inside the track 1 and how the various components inside the track are arranged are not the key contents to be protected in this application. Therefore, the specific structural settings inside the track 1 will not be described in detail here.

[0041] However, in order to facilitate the understanding of the mobile track socket of the present application, a brief description is now given: the track 1 is in the shape of a long strip as a whole, and a ground wire power supply member (not marked) is provided at the bottom of the accommodating cavity of the track 1. Generally, the ground wire power supply member is constructed as a long strip bottom slot (not marked), and a ground wire power supply member is provided at the bottom of the guide arm 4. The ground wire power supply member is generally constructed as a conductive convex column ( Figure 2 and Figure 3 The track 1 is also symmetrically provided with a live wire power supply component (not marked) and a neutral wire power supply component (not marked) on both sides of the accommodating cavity, so as to provide the power supply components 5 mounted on both ends of the guide arm 4 with contact for conduction. Generally, the live wire power supply component and the neutral wire power supply component are respectively constructed as a live wire conductive side slot (not marked) and a neutral wire conductive side slot (not marked) extending along the length direction of the track. The two conductive side slots are symmetrically arranged, and one of the above-mentioned power-taking components 5 is a live wire power-taking component, and the other is a neutral wire power-taking component. The live wire power-taking component matches the live wire conductive side slot, and the neutral wire power-taking component matches the neutral wire conductive side slot.

[0042] The mobile track socket of the present application adopts a new structure to achieve non-electrical sliding. The overall structure can be realized by a simple structure that relies on the adapter to rotate relative to the sliding ring seat. There is no need to use multiple gears, multiple springs, and multiple cam-like structures to be set inside the adapter. The internal structure of the adapter, especially the structure inside the socket body, can be effectively simplified, effectively ensuring that the product still maintains good performance after countless switching operations.

[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mobile track socket, comprising a track (1) and an adapter (2), wherein the adapter (2) comprises a socket body (3) and a guide arm (4); characterized in that: The guide arm (4) is fixedly connected to the bottom of the socket body (3), and both ends of the guide arm (4) along the length direction are respectively provided with outwardly protruding power extraction parts (5); The top and the inside of the track (1) are respectively provided with an opening (6) extending along the length direction of the track (1) and a receiving cavity connected to the opening (6); the track (1) is also symmetrically provided with a first auxiliary slide groove (8) and a second auxiliary slide groove (9) extending along the length direction of the track (1) on both sides of the opening (6); a sliding ring seat (10) is slidably provided on the first auxiliary slide groove (8) and the second auxiliary slide groove (9); The adapter (2) is inserted into the accommodating cavity through the guide arm (4) and is rotatably connected to the sliding ring seat (10). The adapter (2) can drive the guide arm (4) to rotate back and forth between the potential-on and potential-off relative to the sliding ring seat (10) in the accommodating cavity, and the angle between the potential-on and potential-off is 90 degrees. When taking the potential, the guide arm (4) is perpendicular to the length direction of the track (1); When the potential is off, the guide arm (4) is aligned with the length direction of the track (1).

2. The mobile rail socket according to claim 1, characterized in that: The bottom of the socket body (3) is fixedly sleeved with a rotating ring (11), the top of the rotating ring (11) is provided with an axially outwardly protruding sliding block (12), the inner side wall of the sliding ring seat (10) is provided with an engaging groove (13), the rotating ring (11) is arranged in the engaging groove (13) and can rotate relative to the sliding ring seat (10), the top of the sliding ring seat (10) is provided with an arc groove (14) whose bottom extends to the engaging groove (13), the sliding block (12) is arranged in the arc groove (14) and can slide along the arc groove (14), and the arc groove (14) occupies one quarter of the length of the circle in which it is located.

3. The mobile rail socket according to claim 2, characterized in that: The arc-shaped groove (14) is provided as one, the sliding block (12) is provided as one, a positioning groove (15) is provided on the side wall of the sliding block (12) near the end, the arc-shaped groove (14) is provided with mounting holes at both ends of the side wall to embed the spring pin (16), and the elastic contact (17) of the spring pin (16) extends out of the mounting hole in a natural state; when the potential is taken, at least one elastic contact (17) is positioned in one positioning groove (15); when the potential is cut off, at least one elastic contact (17) is also positioned in one positioning groove (15).

4. The mobile rail socket according to claim 2, characterized in that: The arc-shaped grooves (14) are arranged in two numbers, each arc-shaped groove (14) is equipped with a sliding block (12), a positioning groove (15) is arranged on the side wall of the sliding block (12) near the end, a mounting hole is arranged on the side wall of the arc-shaped groove (14) near the end to embed a spring pin (16), and the elastic contact (17) of the spring pin (16) extends out of the mounting hole in a natural state; when the potential is taken, at least one elastic contact (17) is positioned in one positioning groove (15); when the potential is cut off, at least one elastic contact (17) is positioned in one positioning groove (15).

5. The mobile rail socket according to claim 2, characterized in that: The sliding block (12) is a T-shaped sliding block, and has an arc shape that is consistent along the sliding direction as a whole.

6. The mobile rail socket according to claim 1, characterized in that: Linear sliding blocks (18) are symmetrically arranged on both sides of the sliding ring seat (10), and the two sliding blocks (18) are respectively slidably connected to the first auxiliary sliding groove (8) and the second auxiliary sliding groove (9).

7. The mobile rail socket according to claim 2, characterized in that: The rotating ring (11) comprises a fixed sleeve ring (19) and an engaging rotating ring (20) connected inside and outside. The fixed sleeve ring (19) is fixedly sleeved with the bottom of the socket body (3). The engaging rotating ring (20) rotates in the engaging groove (13) of the sliding ring seat (10). The sliding block (12) is arranged on the top of the engaging rotating ring (20).

8. The mobile rail socket according to claim 7, characterized in that: The fixed collar (19) comprises an inner ring (21) and an outer ring (22), wherein the outer ring (22) protrudes axially outward from the inner ring (21), and after the outer ring (22) is arranged in the engaging groove (13) with the engaging swivel ring (20), the top surface of the outer ring (22) and the top surface of the sliding ring seat (10) are located on the same plane.

9. The mobile rail socket according to claim 1, characterized in that: The power extraction member (5) comprises a power extraction sheet (23) and a power extraction contact (24); the power extraction sheet (23) is connected to a conductive plug-in inside the socket body (3); and the power extraction contact (24) presses the power extraction sheet (23) to the end of the guide arm (4) along the length direction.

10. The mobile rail socket according to claim 1, characterized in that: The two ends of the upper part of the guide arm (4) form an inwardly concave arc waist structure, and the lower part forms an outwardly expanded rectangular body structure.

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