Winding device

Abstract

The winding device comprises a winding mechanism, the winding mechanism comprises a hollow rotating shaft, a first wheel disc and a second wheel disc, the first wheel disc and the second wheel disc are located at the two ends of the hollow rotating shaft respectively, a plurality of first plug-in ports are formed in the surface of the first wheel disc, and first null line jacks of the first plug-in ports are connected in parallel through a first metal plate; the first live wire jacks of the plurality of first plug-in ports are connected in parallel through a second metal plate; a first output port of the first adapter is connected with the first metal plate, and a second output port of the first adapter is connected with the second metal plate; the first power line comprises a first null line and a first live line, the first power line with a part of length is located in the hollow rotating shaft, the first null line and the first live line are connected with the first input port and the second input port of the first adapter respectively, and the first power line with the other part of length is wound on the hollow rotating shaft. According to the wire winding device provided by the embodiment of the invention, the use stability of the wire winding device can be improved.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of cable storage, and in particular to a cable winding device. Background Art

[0002] The wire reel is a special line material management and storage tool that can help people store, manage and use electrical line materials such as wires and cables more conveniently. It is usually made of plastic or metal materials, has the advantages of dustproof, waterproof, and wear-resistant, and can meet the use of different occasions and needs.

[0003] The winding device usually includes a bracket and a winding mechanism, and the winding mechanism is rotated to reel in or unwind the wire when in use. A socket plate can be installed at one end of the winding device, and the socket plate has different types of power sockets for plugging different types of plugs to supply electricity to different electrical devices.

[0004] However, currently, the connection between multiple power sockets on the socket plate and cables is usually achieved by using jumpers. During the process of rotating the winding device to reel in or unwind the cable, the jumpers connecting the cables and the power sockets are prone to loosening or disconnection, resulting in reduced stability in the use of the winding device. Summary of the invention

[0005] The embodiment of the present application provides a wire winding device, which at least helps to improve the stability of the wire winding device in use.

[0006] According to some embodiments of the present application, on the one hand, an embodiment of the present application provides a wire winding device, including: a wire winding mechanism, the wire winding mechanism includes a hollow rotating shaft, a first wheel and a second wheel, the first wheel and the second wheel are respectively located at two ends of the hollow rotating shaft, a plurality of first power sockets are arranged on the surface of the first wheel, each first socket includes a first neutral line socket and a first live line socket, the first neutral line sockets of the plurality of first sockets are connected in parallel through a first metal plate, and the first live line sockets of the plurality of first sockets are connected in parallel through a second metal plate; a first adapter, one side of the first adapter includes a first input port and a second input port, the other side of the first adapter includes a first output port and a second output port, the first input port is connected to the first output port, the second input port is connected to the second output port, the first output port is connected to the first metal plate, and the second output port is connected to the second metal plate; a first power cord, the first power cord includes a first neutral line and a first live line, a portion of the length of the first power cord is located inside the hollow rotating shaft and the first neutral line and the first live line are respectively connected to the first input port and the second input port, and the remaining portion of the length of the first power cord is wound around the hollow rotating shaft.

[0007] In some embodiments, the first power socket also includes a first ground wire jack, and the first ground wire jacks of multiple first sockets are connected in parallel through a third metal plate; one side of the first adapter also includes a third input port, and the other side also includes a third output port, the third input port is connected to the third output port, and the third metal plate is connected to the third output port; the first power cord also includes a first ground wire, and the first ground wire in the first power cord located inside the hollow shaft is connected to the third input port.

[0008] In some embodiments, the winding device further includes: a bracket, the bracket includes a first bracket and a second bracket, the first bracket is rotatably fixed to the first wheel, and the second bracket is rotatably fixed to the second wheel.

[0009] In some embodiments, a first roller is disposed at the bottom of the first bracket, and a second roller is disposed at the bottom of the second bracket.

[0010] In some embodiments, a brake disc is disposed on at least one of the first roller or the second roller.

[0011] In some embodiments, the top of the first bracket has a first connecting rod arranged in the horizontal direction; the top of the second bracket has a second connecting rod arranged in the horizontal direction, and the first connecting rod and the second connecting rod abut against each other to form a support rod.

[0012] In some embodiments, the winding device further includes: a base, and the second wheel is rotatably fixed on the base.

[0013] In some embodiments, the first adapter further includes: a first fuse and / or a second fuse, the first fuse is connected between the first input port and the second output port, and the second fuse is connected between the second input port and the second output port.

[0014] In some embodiments, in a direction perpendicular to the surface of the first wheel disk, the first metal plate and the second metal plate are arranged in different layers.

[0015] The technical solution provided by the embodiments of the present application has at least the following advantages:

[0016] In the winding device provided in the embodiment of the present application, the first wheel and the second wheel are respectively located at the two ends of the hollow shaft, and the first wheel is provided with a plurality of first power sockets, which can be used to plug in the plug of the electric device to be used, and the first power socket is connected to the first power cord through the first adapter, so that the first power cord can transmit power to the electric device to be used through the first plug. A part of the length of the first power cord is located in the hollow shaft and electrically connected to the first adapter, and the remaining part of the length of the first power cord is wound around the hollow shaft to facilitate the storage of the excess length of the first power cord. Among them, the two sides of the first adapter are respectively provided with a first input port and a first output port that are interconnected and a second input port and a second output port that are interconnected. The first neutral wire jacks of multiple first power sockets are connected in parallel through a first metal plate and connected to the first output port, and the first live wire jacks of multiple first power sockets are connected in parallel through a second metal plate and connected to the second output port. The first input port and the second input port are respectively connected to the first neutral wire and the first live wire of the first power cord, that is, the first neutral wires and the first live wires of multiple groups of first power sockets are first connected in parallel through the first adapter, and then connected to the first power cord as a whole, which avoids the need for the first power cord to be connected to multiple first power sockets separately by means of jumpers, which is beneficial to improving the connection stability between the first power cord and the first power socket during the rotation of the winding device, and avoiding the problem of disconnection between the first power cord and the first neutral wire jack or the first live wire jack of the first socket. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings. These exemplified descriptions do not constitute a limitation on the embodiments. Unless otherwise specified, the pictures in the drawings do not constitute a scale limitation. In order to more clearly illustrate the embodiments of the present application or the technical solutions in the traditional technology, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic structural diagram of a wire winding mechanism provided in one embodiment of the present application;

[0019] Figure 2 A schematic diagram of the structure of a first socket and a first adapter provided in one embodiment of the present application;

[0020] Figure 3 A front view of a first power socket and a first adapter in five directions provided by an embodiment of the present application;

[0021] Figure 4 A schematic diagram of the structure of a first metal plate, a second metal plate and a third metal plate provided in an embodiment of the present application;

[0022] Figure 5 Front views of a first metal plate, a second metal plate and a third metal plate provided in one embodiment of the present application in three directions respectively;

[0023] Figure 6 A schematic diagram of the structure of a wire winding mechanism and a bracket provided in one embodiment of the present application;

[0024] Figure 7 Front views of the winding mechanism and the bracket in five directions provided in one embodiment of the present application;

[0025] Figure 8 A partially enlarged structural schematic diagram of a hollow shaft provided in one embodiment of the present application. DETAILED DESCRIPTION

[0026] As can be seen from the background technology, the connection between multiple power sockets on the socket plate of the current winding device and the cables is usually achieved by jumper wires. During the process of rotating the winding device to reel in or unwind the cable, the jumper wires connecting the cables and the power sockets are prone to loosening or disconnection, resulting in a decrease in the stability of the winding device.

[0027] In the winding device provided in the embodiment of the present application, the first wheel and the second wheel are respectively located at the two ends of the hollow shaft, and the first wheel is provided with a plurality of first power sockets, which can be used to plug in the plug of the electric device to be used, and the first power socket is connected to the first power cord through the first adapter, so that the first power cord can transmit power to the electric device to be used through the first plug. A part of the length of the first power cord is located in the hollow shaft and electrically connected to the first adapter, and the remaining part of the length of the first power cord is wound around the hollow shaft to facilitate the storage of the excess length of the first power cord. Among them, the two sides of the first adapter are respectively provided with a first input port and a first output port that are interconnected and a second input port and a second output port that are interconnected. The first neutral wire jacks of multiple first power sockets are connected in parallel through a first metal plate and connected to the first output port, and the first live wire jacks of multiple first power sockets are connected in parallel through a second metal plate and connected to the second output port. The first input port and the second input port are respectively connected to the first neutral wire and the first live wire of the first power cord, that is, the first neutral wires and the first live wires of multiple groups of first power sockets are first connected in parallel through the first adapter, and then connected to the first power cord as a whole, which avoids the need for the first power cord to be connected to multiple first power sockets separately by means of jumpers, which is beneficial to improving the connection stability between the first power cord and the first power socket during the rotation of the winding device, and avoiding the problem of disconnection between the first power cord and the first neutral wire jack or the first live wire jack of the first socket.

[0028] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0029] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0030] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists, A and B exist at the same time, and B exists. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0031] In the description of the embodiments of the present application, technical terms such as "center", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0032] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0033] In the description of the embodiments of the present application, when a certain component “includes” another component, unless otherwise stated, other components are not excluded and other components may be further included.

[0034] The terms used in the description of the various described embodiments herein are used only to describe specific embodiments and are not intended to be limiting. As used in the description of the various described embodiments and the appended claims, "components" are also intended to include plural forms unless the context clearly indicates otherwise.

[0035] The following will describe the various embodiments of the present application in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the various embodiments of the present application, many technical details are provided in order to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solution claimed in the present application can be implemented.

[0036] Figure 1 A schematic structural diagram of a wire winding mechanism provided in one embodiment of the present application; Figure 2 A schematic diagram of the structure of a first socket and a first adapter provided in one embodiment of the present application; Figure 3 A front view of a first power socket and a first adapter in five directions provided by an embodiment of the present application; Figure 4 A schematic diagram of the structure of a first metal plate, a second metal plate and a third metal plate provided in an embodiment of the present application; Figure 5 Front views of a first metal plate, a second metal plate and a third metal plate in three orientations respectively provided in one embodiment of the present application.

[0037] in, Figure 1 (a) Figure 1 (b) and Figure 1 (c) is a schematic diagram of the structure of the winding mechanism at three different viewing angles; Figure 2 (a) and Figure 2 (b) is a schematic diagram of the structure of the first socket and the first adapter at two different viewing angles; Figure 3 (a) is a front view of the first power socket and the first adapter, Figure 3 (b) is a top view of the first power socket and the first adapter, Figure 3 (c) is a bottom view of the first power socket and the first adapter, Figure 3 (d) is a left view of the first power socket and the first adapter. Figure 3 (e) is a right side view of the first power socket and the first adapter; Figure 4 (a) Figure 4 (b) and Figure 4 (c) in the figure is a schematic diagram of the structure of the first metal plate, the second metal plate and the third metal plate after being combined at three different viewing angles.

[0038] refer to Figures 1 to 5According to some embodiments of the present application, the present application provides a winding device, including: a winding mechanism 100, a first adapter 210 and a first power cord 310, referring to Figure 1 The winding mechanism 100 includes a hollow shaft 110, a first wheel disc 121 and a second wheel disc 122. The first wheel disc 121 and the second wheel disc 122 are respectively located at two ends of the hollow shaft 110. A plurality of first power sockets 130 are disposed on the surface of the first wheel disc 121. Figures 2 to 4 Each first power socket 130 includes a first neutral socket 131 and a first live socket 132. The first neutral sockets 131 of the plurality of first power sockets 130 are connected in parallel via a first metal plate 141. The first live sockets 132 of the plurality of first power sockets 130 are connected in parallel via a second metal plate 142. One side of the first adapter 210 includes a first input port 211 and a second input port 213. The other side of the first adapter 210 includes a first output port 212 and a second output port 214. The first input port 211 and the first output port 212 are connected in parallel. The second input port 213 is connected to the second output port 214, the first output port 212 is connected to the first metal plate 141, and the second output port 214 is connected to the second metal plate 142; the first power cord 310 includes a first neutral wire 311 and a first live wire 312, a portion of the length of the first power cord 310 is located inside the hollow shaft 110 and the first neutral wire 311 and the first live wire 312 are respectively connected to the first input port 211 and the second input port 213, and the remaining portion of the length of the first power cord 310 is wound around the hollow shaft 110.

[0039] In the winding device provided in the embodiment of the present application, the first wheel disc 121 and the second wheel disc 122 are respectively located at the two ends of the hollow rotating shaft 110, and a plurality of first power sockets 130 are arranged on the first wheel disc 121. The first power sockets 130 can be used to plug in the plugs of the electrical equipment to be used, and the first power sockets 130 are connected to the first power cord 310 through the first adapter 210, so that the first power cord 310 can transmit power to the electrical equipment to be used through the first power sockets 130. A part of the length of the first power cord 310 is located in the hollow rotating shaft 110 and is electrically connected to the first adapter 210, and the remaining part of the length of the first power cord 310 is wound around the hollow rotating shaft 110, so that the excess length of the first power cord 310 can be stored. The first adapter 210 is provided with a first input port 211 and a first output port 212 interconnected with each other and a second input port 213 and a second output port 214 interconnected with each other on both sides. The first neutral line sockets 131 of the plurality of first power sockets 130 are connected in parallel with the first output port 213 through the first metal plate 123, and the first live line sockets 132 of the plurality of first power sockets 130 are connected in parallel with the second output port 214 through the second metal plate 123. The first input port 211 and the second input port 213 are connected to the first neutral line 310 of the first power line 310, respectively. 11 and the first live wire 312, that is, the first neutral wires 123 and the first live wire 123 of the multiple groups of first power sockets 130 are first connected in parallel through the first adapter 210, and then connected to the first power cord 310 as a whole, avoiding the need for the first power cord 310 to be connected to the multiple first power sockets 130 respectively by means of a jumper, which is beneficial to improving the connection stability of the first power cord 310 and the first power socket 130 during the rotation of the winding device, and avoiding the problem of disconnection between the first power cord 310 and the first neutral wire jack 131 or the first live wire jack 132 of the first socket 123.

[0040] In some embodiments, the first power socket 123 may further include a first ground wire jack 133, and the first ground wire jacks 133 of the plurality of first power sockets 130 are connected in parallel through the third metal plate 143; the first adapter 210 further includes a third input port 215 on one side and a third output port 216 on the other side, the third input port 215 is connected to the third output port 216, and the third metal plate 143 is connected to the third output port 216; the first power cord 310 further includes a first ground wire 313, and the first ground wire 313 in the first power cord 310 located inside the hollow shaft 110 is connected to the third input port 215. In this way, the first power socket 130 is a three-phase socket, so as to facilitate the first power socket 130 to supply power to high-power band electrical equipment.

[0041] In the drawings provided in this embodiment, each first power socket 130 includes a two-phase socket and a three-phase socket, which can increase the diversity of the use of the first power socket 130 to adapt to different electrical devices to be used. In some embodiments, the first power socket can also be set as only a two-phase socket or only a three-phase socket.

[0042] In the drawings provided in this embodiment, it is taken as an example that the shapes of different first power sockets are the same. In some embodiments, the shapes of different first power sockets may be different.

[0043] In some embodiments, the first adapter 210 may further include: a first fuse and / or a second fuse (not shown), the first fuse being connected between the first input port 211 and the second output port 214, and the second fuse being connected between the second input port 213 and the second output port 214. In this way, when the power of the electrical device to be used exceeds the preset power, the first power socket 130 can be protected, the problem of the first power socket 130 being burned out can be avoided, and the use stability of the winding device can be improved.

[0044] In some embodiments, the first metal plate 141 and the second metal plate 142 are arranged in different layers in a direction perpendicular to the surface of the first wheel 121. In this way, the wiring of the first metal plate 141 and the wiring of the second metal plate 142 can avoid each other to avoid leakage or short circuit between the first metal plate 141 and the second metal plate 142, which is conducive to improving the use stability of the winding device.

[0045] When the first power socket 130 is also provided with a first grounding socket 133, a third output port 216 is also correspondingly provided on one side of the first adapter 210, and a third input port 215 is also correspondingly provided on the other side of the first adapter 210. The first grounding sockets 133 of the plurality of first power sockets 130 are connected in parallel through the third metal plate 143 and connected to the third output port 216; the first power cord 310 is also correspondingly provided with a first grounding wire 313, and the first grounding wire 313 is connected to the third input port 215. In the direction perpendicular to the surface of the first wheel 121, the third metal plate 143, the first metal plate 141 and the second metal plate 142 can be arranged in different layers to improve the stability of the winding device.

[0046] Figure 6 A schematic diagram of the structure of a wire winding mechanism 100 and a bracket 400 provided in one embodiment of the present application; Figure 7 Front views of the wire winding mechanism 100 and the bracket 400 in five orientations provided in one embodiment of the present application.

[0047] refer to Figure 6 and Figure 7In some embodiments, the winding device may further include: a bracket 400, the bracket 400 includes a first bracket 401 and a second bracket 402, the first bracket 401 is rotatably fixed to the first wheel 121, and the second bracket 402 is rotatably fixed to the second wheel 122. In this way, the winding mechanism 100 can be supported by the first bracket 401 and the second bracket 402, wherein the central axis of the hollow shaft 110 is arranged in the horizontal direction, so as to facilitate the winding mechanism 100 to rotate to reel in or unwind.

[0048] Continue to refer Figure 6 and Figure 7 In some embodiments, the top of the first bracket 401 has a first connecting rod 411 arranged in the horizontal direction; the top of the second bracket 402 has a second connecting rod 422 arranged in the horizontal direction, the first connecting rod 411 and the second connecting rod 422 abut against each other to form a support rod 403, and the support rod 403 can facilitate lifting the winding device as a whole to move the winding device as a whole to the desired position.

[0049] In some embodiments, a first roller (not shown) may be provided at the bottom of the first bracket 401, and a second roller (not shown) may be provided at the bottom of the second bracket 402. In this way, the movement of the winding device is facilitated, so that the winding device is suitable for more use environments.

[0050] In some embodiments, a brake disc (not shown) may be provided on at least one of the first roller 401 or the second roller 402. The brake disc (not shown) may fix the first roller 401 or the second roller 402 to prevent the first roller 401 or the second roller 402 from rotating, thereby preventing the winding device from moving at a fixed position.

[0051] In some embodiments, the winding device may further include a base, on which the second wheel 402 is rotatably fixed. In this way, the winding mechanism 100 is supported by the base, wherein the central axis of the hollow shaft 110 is arranged in a vertical direction, so as to facilitate the winding mechanism 100 to rotate to reel in or unwind.

[0052] Figure 8 A partially enlarged structural schematic diagram of a hollow shaft provided in one embodiment of the present application.

[0053] Combined with reference Figure 1 and Figure 8 In some embodiments, a bottom box 111 may be provided in the hollow shaft 110, and the first adapter 210 may be fixed in the bottom box 111. In this way, the problem of the first adapter 210 being loosened during the rotation of the winding mechanism 100 may be avoided, thereby improving the stability of the winding device.

[0054] In the winding device provided in the embodiment of the present application, the first wheel disc 401 and the second wheel disc 402 are respectively located at the two ends of the hollow rotating shaft 110, and a plurality of first power sockets 130 are arranged on the first wheel disc 110. The first power sockets 130 can be used to plug in the plugs of the electric device to be used. The first power sockets 130 are connected to the first power cord 310 through the first adapter 210, so that the first power cord 310 can transmit power to the electric device to be used through the first plug sockets 130. A part of the length of the first power cord 310 is located in the hollow rotating shaft 110 and is electrically connected to the first adapter 210, and the remaining part of the length of the first power cord 310 is wound around the hollow rotating shaft 110, so that the extra length of the first power cord 310 can be stored. The first adapter 210 is provided with a first input port 211 and a first output port 212 interconnected with each other and a second input port 213 and a second output port 214 interconnected with each other on both sides. The first neutral line sockets 131 of the plurality of first power sockets 130 are connected in parallel with the first output port 212 through the first metal plate 141, and the first live line sockets 132 of the plurality of first power sockets 130 are connected in parallel with the second output port 214 through the second metal plate 142. The first input port 211 and the second input port 231 are connected to the first neutral line 310 of the first power line 310, respectively. 11 and the first live wire 312, that is, the first neutral wires 311 and the first live wires 312 of the multiple groups of first power sockets 130 are first connected in parallel through the first adapter 210, and then connected to the first power cord 310 as a whole, avoiding the need for the first power cord 310 to be connected to the multiple first power sockets 130 separately by means of a jumper, which is beneficial to improving the connection stability of the first power cord 310 and the first power socket 130 during the rotation of the winding device, and avoiding the problem of disconnection between the first power cord 310 and the first neutral wire jack 131 or the first live wire jack 132 of the first power socket 130.

[0055] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present application, and in practical applications, various changes may be made to the embodiments in form and detail without departing from the spirit and scope of the present application. Any person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present application, and therefore the scope of protection of the present application shall be subject to the scope defined in the claims.

Claims

1. A wire winding device, characterized in that: include: A wire winding mechanism, the wire winding mechanism comprising a hollow rotating shaft, a first wheel disc and a second wheel disc, the first wheel disc and the second wheel disc are respectively located at two ends of the hollow rotating shaft, a plurality of first power sockets are arranged on the surface of the first wheel disc, each of the first power sockets comprises a first neutral line socket and a first live line socket, the first neutral line sockets of the plurality of first power sockets are connected in parallel via a first metal plate, and the first live line sockets of the plurality of first power sockets are connected in parallel via a second metal plate; A first adapter, wherein one side of the first adapter includes a first input port and a second input port, and the other side of the first adapter includes a first output port and a second output port, the first input port is connected to the first output port, the second input port is connected to the second output port, the first output port is connected to the first metal plate, and the second output port is connected to the second metal plate; A first power cord, the first power cord includes a first neutral wire and a first live wire, a partial length of the first power cord is located inside the hollow shaft and the first neutral wire and the first live wire are respectively connected to the first input port and the second input port, and the remaining length of the first power cord is wound around the hollow shaft.

2. The wire winding device according to claim 1, characterized in that: The first electrical socket further comprises a first ground wire jack, and the first ground wire jacks of a plurality of the first electrical sockets are connected in parallel via a third metal plate; One side of the first adapter further includes a third input port, and the other side further includes a third output port, the third input port is connected to the third output port, and the third metal plate is connected to the third output port; The first power line also includes a first ground line, and the first ground line in the first power line inside the hollow shaft is connected to the third input port.

3. The wire winding device according to claim 1, characterized in that: Also includes: The bracket includes a first bracket and a second bracket, the first bracket is rotatably fixed to the first wheel disc, and the second bracket is rotatably fixed to the second wheel disc.

4. The wire winding device according to claim 3, characterized in that: A first roller is disposed at the bottom of the first bracket, and a second roller is disposed at the bottom of the second bracket.

5. The wire winding device according to claim 4, characterized in that: A brake disc is disposed on at least one of the first roller or the second roller.

6. The wire winding device according to any one of claims 3 to 4, characterized in that: The top of the first bracket has a first connecting rod arranged in a horizontal direction; the top of the second bracket has a second connecting rod arranged in the horizontal direction, and the first connecting rod and the second connecting rod abut against each other to form a support rod.

7. The wire winding device according to claim 1, characterized in that: Also includes: A base, wherein the second wheel disc is rotatably fixed on the base.

8. The wire winding device according to claim 1, characterized in that: The first adapter further includes: a first fuse and / or a second fuse, the first fuse is connected between the first input port and the second output port, and the second fuse is connected between the second input port and the second output port.

9. The wire winding device according to claim 1, characterized in that: In a direction perpendicular to the surface of the first wheel disc, the first metal plate and the second metal plate are arranged in different layers.

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