Power line buckle device

Abstract

The utility model discloses a power line buckle device which is used for limiting a plug to a socket and comprises two fixing assemblies, two limiting pieces and a flexible connecting piece. The two fixing assemblies are used for being fixedly installed on a socket. Each fixing assembly comprises a fixed part and a movable part, and the fixed part is suitable for being fixed to the socket; the movable piece is connected to the fixed piece and provided with a limiting hole. The two limiting pieces and the two fixing assemblies are arranged in a one-to-one correspondence mode. Each limiting piece comprises a first end and a second end which are opposite, and the first end is detachably inserted into the corresponding limiting hole. The flexible connecting piece is used for being wound on the periphery of the plug; the flexible connecting piece is connected between the second ends of the two limiting pieces. Therefore, under the fixing effect of the power line buckle device, the plug can be reliably limited on the socket, the situation that the plug is accidentally loosened from the socket or even falls off is avoided, and the working reliability of electrical equipment is guaranteed.

Description

Technical Field

[0001] This application relates to the field of socket technology, and more specifically, to a power cord clip device. Background Technology

[0002] Existing electrical equipment (such as projectors) typically contains vibrating components, such as cooling fans and motors. The vibration noise generated by these components during operation may cause the power plug to accidentally come loose from the socket or even fall off, reducing the reliability of the electrical equipment. Utility Model Content

[0003] This application provides a power cord fastening device for securing a plug to a socket. The device includes two fixing components, two limiting members, and a flexible connector. The two fixing components are used for fixed installation in the socket; each fixing component includes a fixing member and a movable member. The fixing member is adapted to be fixed to the socket; the movable member is connected to the fixing member and has a limiting hole. The two limiting members and the two fixing components are arranged in a one-to-one correspondence; each limiting member includes a first end and a second end, the first end being detachably inserted into the corresponding limiting hole. The flexible connector is used to wrap around the outer periphery of the plug; the flexible connector connects between the second ends of the two limiting members.

[0004] In some possible embodiments, the movable part is rotatably connected to the fixed part; the plug is inserted into the socket in a specified direction, and the axial direction of the limiting hole is perpendicular to the specified direction.

[0005] In some possible embodiments, the limiting member includes a connected body portion and a plug portion, the plug portion being located at the first end of the limiting member and bent relative to the body portion, the plug portion being detachably inserted into the corresponding limiting hole; when the plug is inserted into the socket, the body portion extends in a specified direction.

[0006] In some possible embodiments, when the plug is inserted into the socket, the distance between the moving part and the plug is less than the length of the plug portion in its extending direction.

[0007] In some possible embodiments, the limiting member further includes a connecting portion located at the second end of the limiting member and bent relative to the body portion; the extending direction of the connecting portion is opposite to the extending direction of the insertion portion; a flexible connector is connected between the two connecting portions.

[0008] In some possible embodiments, the fastener includes a head and a fixing part connected together, the outer diameter of the head being larger than the outer diameter of the fixing part; the fixing part is used for fixed installation in the socket, and the movable part is movably limited to the head.

[0009] In some possible embodiments, the fixing member further includes a limiting step, which is connected between the head and the fixing part; the outer diameter of the limiting step is smaller than the outer diameter of the head and larger than the outer diameter of the fixing part; the movable member is movably sleeved on the outer periphery of the limiting step; the fixing component further includes an elastic gasket, which is sleeved on the outer periphery of the fixing part and abuts against the limiting step.

[0010] In some possible embodiments, the movable part includes a cylindrical portion with a central hole, and the head is accommodated in the central hole; the inner wall of the central hole is provided with an inner flange, which is rotatably fitted around the outer periphery of the limiting step and is disposed opposite to the surface of the head facing the socket.

[0011] In some possible embodiments, a limiting hole is provided in the cylindrical portion, and the axis of the limiting hole is perpendicular to the axis of the central hole; the shortest distance between the limiting hole and the inner flange is greater than the dimension of the head in the axial direction of the central hole.

[0012] In some possible embodiments, the fixing part is a screw, and the socket is provided with a threaded hole for fixing the screw.

[0013] This application provides a power cord clip device, which includes two fixing components, two limiting members, and a flexible connector. Each fixing component includes a fixing member and a movable member. The fixing member is adapted to be fixed to a socket, for example, the two can be threaded together. The movable member is connected to the fixing member and has a limiting hole. Each limiting member includes a first end and a second end opposite to each other, the first end being detachably inserted into the corresponding limiting hole. The flexible connector is used to wrap around the outer periphery of the plug; the flexible connector connects between the second ends of the two limiting members.

[0014] The installation process of the power cord clip is explained here. First, fix the two corresponding fasteners of the two fixing components to the socket. Second, insert the first end of one of the limiting components into the limiting hole of one of the movable components. Finally, after wrapping the flexible connector around the outer perimeter of the plug, insert the first end of the other limiting component into the limiting hole of the other movable component.

[0015] Therefore, the power cord retainer reliably secures the plug to the socket, preventing accidental detachment or even loss of the plug and ensuring the reliability of both the plug's installation and the electrical equipment's operation. Furthermore, the detachable connection between the moving and retaining parts makes the installation and removal of the power cord retainer simpler and more efficient, reducing the difficulty of these processes. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram illustrating an application scenario of the power cord clip device provided in this application embodiment.

[0018] Figure 2 yes Figure 1 A diagram from another perspective.

[0019] Figure 3 yes Figure 1 A schematic diagram of the power cord clip device.

[0020] Figure 4 yes Figure 3 The diagram shows the structure of the power cord clip in its assembled state.

[0021] Figure 5 yes Figure 3 A cross-sectional view of the fixing component in the power cord clip device shown. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of the present application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort are within the scope of protection of the present application.

[0023] Please see Figure 1 and Figure 2 This application provides a power cord fastening device 100 for securing a plug 200 within a socket 300. In this embodiment, the plug 200 is disposed at the end of a power cord in an electrical device (e.g., a projector), and may be a male plug with rod-shaped or plate-shaped metal protrusions, or a female plug with slots or recesses.

[0024] In this embodiment, the socket 300 is used for inserting the plug 200 to achieve an electrical connection with the plug 200. In some possible embodiments, the socket 300 may be a device directly connected to the mains circuit, so that the plug 200 can be energized by inserting it into the socket 300. In other possible embodiments, the electrical device adopts a detachable power cord design, in which case the "socket 300" may be a part of the electrical device's housing for connecting the plug 200, so that the power cord can be detachably connected to the electrical device. Specifically, this embodiment does not limit the implementation of the plug 200 and the socket 300.

[0025] Please see Figure 3 and Figure 4 The power cord fastening device 100 may include two fixing components 120, two limiting members 150, and a flexible connector 160. The two fixing components 120 are used for fixed installation on the socket 300. Each fixing component 120 includes a fixing member 130 and a movable member 140. The fixing member 130 is adapted to be fixed to the socket 300; the movable member 140 is connected to the fixing member 130 and has a limiting hole 1401. The two limiting members 150 and the two fixing components 120 are arranged in a one-to-one correspondence. Each limiting member 150 includes a first end 1501 and a second end 1503, with the first end 1501 detachably inserted into the corresponding limiting hole 1401. The flexible connector 160 is used to wrap around the outer periphery of the plug 200; the flexible connector 160 connects between the second ends 1503 of the two limiting members 150.

[0026] The installation process of the power cord clip device 100 is described here.

[0027] First, the two fixing members 120 corresponding to the two fixing components 120 are fixed to the socket 300. In some possible embodiments, the fixing part 1340 can be a screw, and the socket 300 is provided with a through hole (not shown in the figure) for corresponding to the screw. For example, the through hole can be a threaded hole for fixing to the screw; or, for example, a nut can be fixed to the side of the socket 300 away from the plug 200, and the threaded hole of the nut communicates with the through hole so that the screw passes through the through hole and is threadedly connected to the nut.

[0028] Specifically, the two through holes corresponding to the two fasteners 120 can be symmetrically arranged about the socket (not shown in the figure) for plugging the plug 200, so that the two fasteners 120 can be fixed on both sides of the plug 200 to ensure the balance of force when limiting the plug 200.

[0029] Next, the first end 1501 of one of the limiting members 150 is inserted into the limiting hole 1401 of one of the movable members 140. Finally, after the flexible connector 160 is wrapped around the outer periphery of the plug 200, the first end 1501 of the other limiting member 150 is inserted into the limiting hole 1401 of the other movable member 140.

[0030] Therefore, under the fixing action of the power cord clip device 100, the plug 200 can be reliably limited to the socket 300, preventing the plug 200 from accidentally loosening or even falling off the socket 300, thus ensuring the installation reliability of the plug 200 and the operational reliability of the electrical equipment. Furthermore, since the movable part 140 and the limiting part 150 are detachably connected, the installation and removal of the power cord clip device 100 are simpler and more efficient, reducing the difficulty of installing and removing the power cord clip device 100.

[0031] The specific implementation of the power cord clip device 100 is explained below.

[0032] In this embodiment, the fixing component 120 may include a fixing member 130 and a movable member 140. The movable member 140 is rotatably connected to the fixing member 130, so that after the first end 1501 of the limiting member 150 is inserted into the corresponding limiting hole 1401, the installation position of the limiting member 150 can be adjusted by rotating the movable member 140, thereby reducing the difficulty of installing and disassembling the power cord clip device 100. Specifically, the fixing member 130 may be a screw, bolt, etc.

[0033] Please see Figure 5 The fastener 130 may include a head 1320 and a fixing part 1340 connected to each other. The fixing part 1340 is generally columnar and is used for fixed installation on the socket 300. Specifically, the end of the fixing part 1340 may be provided with threads so that the fixing part 1340 and the socket 300 are threadedly connected.

[0034] The head 1320 can be flat, bullet-shaped, semi-circular, etc. The outer diameter of the head 1320 is larger than the outer diameter of the fixing part 1340, so that the movable part 140 is movably confined within the head 1320, thereby preventing the movable part 140 from detaching from the fixing part 130. Specifically, the side of the head 1320 opposite to the fixing part 1340 can be provided with a groove (not shown in the figure) that is compatible with a screwdriver, such as a slotted groove, a Phillips head groove, a hexagonal groove, etc., to reduce the installation difficulty of the fixing part 130.

[0035] In some possible embodiments, the fastener 130 may further include a limiting step 1360, which connects the head 1320 and the fixing part 1340. The outer diameter of the limiting step 1360 is smaller than the outer diameter of the head 1320 but larger than the outer diameter of the fixing part 1340. Therefore, the presence of the limiting step 1360 prevents the fastener 130 from being "over-screwed" into the through hole of the socket 300, ensuring that the movable part 140 has a certain amount of room for movement.

[0036] In some possible embodiments, the limiting step 1360 can directly abut against the socket 300. In other possible embodiments, the fixing component 120 may further include an elastic washer 170, which is sleeved on the outer periphery of the fixing portion 1340 and abuts against the limiting step 1360, so that the limiting step 1360 abuts against the socket 300 through the elastic washer 170. Therefore, under the limiting action of the elastic washer 170, the fixing member 130 cannot move in its axial direction, which can improve the connection reliability of the fixing component 120. Specifically, the elastic washer 170 may be a rubber washer.

[0037] It should be noted that the names "head," "fixing part," and "limiting step" are used for ease of description. In specific examples, there may or may not be a clear dividing line between the three structures. In some possible embodiments, the head 1320, the limiting step 1360, and the fixing part 1340 can be integrally formed structures. For example, the fixing member 130 can be made of plastic or metal through injection molding or machining. The head 1320, the limiting step 1360, and the fixing part 1340 are three parts at different positions on the fixing member 130.

[0038] In this embodiment, the movable member 140 is movably sleeved on the outer periphery of the limiting step 1360, and is used to connect the limiting member 150. Specifically, the movable member 140 is generally sleeve-shaped, and may include a cylindrical portion 1410, which has a central hole 1412 that extends through opposite sides of the cylindrical portion 1410, and the head 1320 is accommodated within the central hole 1412.

[0039] The inner wall of the central hole 1412 is provided with an inner flange 1430, which is rotatably fitted around the outer periphery of the limiting step 1360 and is disposed opposite to the surface of the head 1320 facing the socket 300. Specifically, the inner flange 1430 is disposed at one end of the central hole 1412 so that the central hole 1412 is generally "convex".

[0040] Specifically, the dimension of the inner flange 1430 in the axial direction of the central hole 1412 is smaller than the dimension of the limiting step 1360 in the axial direction of the central hole 1412. This ensures that when the outer surface of the inner flange 1430 is flush with the outer surface of the limiting step 1360, a certain distance exists between the inner surface of the inner flange 1430 and the head 1320. This allows the movable member 140 to have a certain amount of movement in the axial direction of the central hole 1412, ensuring that the movable member 140 can rotate more flexibly. For example, the distance between the inner surface of the inner flange 1430 and the head 1320 in the axial direction of the central hole 1412 can be greater than or equal to 0.1 mm and less than or equal to 0.3 mm. For instance, the distance can be 0.1 mm, 0.2 mm, 0.3 mm, etc.

[0041] In some possible embodiments, the outer diameter of the limiting step 1360 is smaller than the diameter of the through hole defined by the inner flange 1430. That is, there is a certain distance between the inner flange 1430 and the limiting step 1360 to allow the movable member 140 a certain amount of movement in the direction perpendicular to the axis of the central hole 1412, ensuring that the movable member 140 can rotate more flexibly. For example, the distance between the inner flange 1430 and the limiting step 1360 in the direction perpendicular to the axis of the central hole 1412 can be greater than or equal to 0.1 mm and less than or equal to 0.3 mm. For example, the distance can be 0.1 mm, 0.2 mm, 0.3 mm, etc.

[0042] In some possible embodiments, the limiting hole 1401 is provided in the cylindrical portion 1410 and penetrates the cylindrical wall of the cylindrical portion 1410. Specifically, the axis of the limiting hole 1401 is perpendicular to the axis of the central hole 1412. Please refer again. Figure 1 The plug 200 is inserted into the socket 300 along the specified direction X, and the hole axis of the limiting hole 1401 is perpendicular to the specified direction X.

[0043] In some possible embodiments, there may be two limiting holes 1401, which are coaxially arranged in the cylindrical portion 1410 for the limiting member 150 to pass through, so that the limiting member 150 can be connected to the movable member 140 more conveniently and reliably.

[0044] exist Figure 5 In the embodiment shown, the shortest distance M between the limiting hole 1401 and the inner flange 1430 is greater than the dimension N of the head 1320 in the axial direction of the central hole 1412, so as to avoid the head 1320 "obstructing" the insertion of the limiting member 150, so that the limiting member 150 can be smoothly connected to the movable member 140.

[0045] It should be noted that the terms "cylindrical portion" and "inner flange" are used for ease of description. In specific examples, there may or may not be a clear dividing line between the two structures. In some possible embodiments, the cylindrical portion 1410 and the inner flange 1430 can be integrally formed structures. For example, the movable part 140 can be made of plastic or metal through injection molding or machining, and the cylindrical portion 1410 and the inner flange 1430 are two parts at different locations on the movable part 140.

[0046] Please participate again. Figure 3 The limiting member 150 is connected between the movable member 140 and the flexible connector 160, and includes a connected body portion 1520 and a plug portion 1540. The plug portion 1540 is located at the first end 1501 of the limiting member 150 and is bent relative to the body portion 1520. The plug portion 1540 is detachably inserted into a corresponding limiting hole 1401. With the plug 200 inserted into the socket 300, the body portion 1520 extends in a specified direction X.

[0047] In some possible embodiments, the outer diameter of the insertion portion 1540 may be slightly larger than or equal to the diameter of the limiting hole 1401, so that the insertion portion 1540 and the movable member 140 are connected by an interference fit, thereby improving the reliability of the connection between the insertion portion 1540 and the movable member 140. In some possible embodiments, the insertion portion 1540 may be provided with a snap-fit ​​structure, so that after the insertion portion 1540 passes through the limiting hole 1401, it is engaged with the movable member 140, thereby ensuring the reliability of the connection between the insertion portion 1540 and the movable member 140.

[0048] Please refer to it again. Figure 1 With the plug 200 inserted into the socket 300, the distance Y between the movable member 140 and the plug 200 is less than the length of the insertion portion 1540 in its extending direction. Therefore, with the plug 200 in a limited position, the insertion portion 1540 can be prevented from falling off the movable member 140 due to gravity, thus ensuring the reliability of the connection between the insertion portion 1540 and the movable member 140.

[0049] In some possible embodiments, the number of limiting holes 1401 can be two, and the length of the insertion part 1540 in its extending direction is greater than the outer diameter of the movable member 140, so that the insertion part 1540 can pass through the two limiting holes 1401 at the same time, thereby improving the reliability of the connection between the limiting member 150 and the movable member 140.

[0050] Please refer to it again. Figure 3The limiting member 150 may further include a connecting portion 1560 for connecting the flexible connecting member 160. The connecting portion 1560 is located at the second end 1503 of the limiting member 150 and is bent relative to the body portion 1520. The extending direction of the connecting portion 1560 is opposite to the extending direction of the insertion portion 1540. Therefore, the limiting member 150 in this embodiment is approximately "Z" shaped.

[0051] It should be noted that the names "body part," "plug-in part," and "connecting part" are used for ease of description. In specific examples, there may or may not be a clear dividing line between the two structures. In some possible embodiments, the body part 1520, the plug-in part 1540, and the connecting part 1560 may be integrally formed structures. For example, the limiting member 150 may be made of plastic or metal through injection molding or machining, and the body part 1520, the plug-in part 1540, and the connecting part 1560 are two parts at different positions on the limiting member 150.

[0052] In this embodiment, the flexible connector 160 is used to wrap around the outer periphery of the plug 200 and connect between the two connecting portions 1560. For example, the flexible connector 160 can be wrapped around the connecting portion 1560; or, the connecting portion 1560 can be provided with a connecting hole (not shown in the figure) for the flexible connector 160 to pass through. After the flexible connector 160 passes through the connecting hole, it is knotted and bound to fix the flexible connector 160 to the connecting portion 1560. Specifically, the flexible connector 160 can be enameled wire, metal wire, cotton thread, etc., and this embodiment does not make a specific limitation.

[0053] This application provides a power cord fastening device 100 for securing a plug 200 within a socket 300. The power cord fastening device 100 may include two fixing components 120, two limiting members 150, and a flexible connector 160. The two fixing components 120 are fixedly installed in the socket 300. Each fixing component 120 includes a fixing member 130 and a movable member 140. The fixing member 130 is adapted to be fixed to the socket 300; the movable member 140 is connected to the fixing member 130 and has a limiting hole 1401. The two limiting members 150 and the two fixing components 120 are arranged in a one-to-one correspondence. Each limiting member 150 includes a first end 1501 and a second end 1503, with the first end 1501 detachably inserted into the corresponding limiting hole 1401. The flexible connector 160 is used to wrap around the outer periphery of the plug 200; the flexible connector 160 connects between the second ends 1503 of the two limiting members 150.

[0054] Therefore, under the fixing action of the power cord clip device 100, the plug 200 can be reliably limited to the socket 300, preventing the plug 200 from accidentally loosening or even falling off the socket 300, thus ensuring the installation reliability of the plug 200 and the operational reliability of the electrical equipment. Furthermore, since the movable part 140 and the limiting part 150 are detachably connected, the installation and removal of the power cord clip device 100 are simpler and more efficient, reducing the difficulty of installing and removing the power cord clip device 100.

[0055] In this application specification, certain terms are used to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. The specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "including but not limited to"; "generally" means that those skilled in the art can solve the technical problem within a certain margin of error and basically achieve the technical effect.

[0056] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the purpose of simplifying the description of this application 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 application.

[0057] In this application, unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or merely surface contact. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0058] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. 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. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0059] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A power cord holder device, characterized by, The power cord clip device includes components for securing the plug in the socket: Two fixing components are provided for fixed installation on the socket; each fixing component includes a fixing member and a movable member, the fixing member being adapted to be fixed to the socket; the movable member is connected to the fixing member and is provided with a limiting hole; Two limiting members and two fixing components are provided in a one-to-one correspondence; each limiting member includes a first end and a second end opposite to each other, the first end being detachably inserted into a corresponding limiting hole; and A flexible connector is used to wrap around the outer periphery of the plug; the flexible connector is connected between the second ends of the two limiting members.

2. The power cord clip device according to claim 1, characterized in that, The movable part is rotatably connected to the fixed part; the plug is inserted into the socket in a specified direction, and the axial direction of the limiting hole is perpendicular to the specified direction.

3. The power cord wrap of claim 2, wherein, The limiting member includes a body part and a plug-in part connected to each other. The plug-in part is located at the first end of the limiting member and is bent relative to the body part. The plug-in part is detachably inserted into the corresponding limiting hole. With the plug inserted into the socket, the body extends along the designated direction.

4. The power cord wrap of claim 3, wherein, When the plug is inserted into the socket, the distance between the movable member and the plug is less than the length of the plug portion in its extending direction.

5. The power cord wrap of claim 3, wherein, The limiting member further includes a connecting portion located at the second end of the limiting member and bent relative to the main body portion; the extending direction of the connecting portion is opposite to the extending direction of the insertion portion. The flexible connector is connected between the two connecting parts.

6. The power cord holder device according to any one of claims 1 to 5, characterized by The fastener includes a head and a fixing part connected to each other, wherein the outer diameter of the head is larger than the outer diameter of the fixing part; The fixing part is used for fixed installation on the socket, and the movable part is movably limited to the head.

7. The power cord clip device according to claim 6, characterized in that, The fixing member further includes a limiting step, which connects the head and the fixing part; the outer diameter of the limiting step is smaller than the outer diameter of the head and larger than the outer diameter of the fixing part; the movable member is movably sleeved on the outer periphery of the limiting step; The fixing component also includes an elastic gasket, which is sleeved on the outer periphery of the fixing part and abuts against the limiting step.

8. The power cord wrap of claim 7, wherein, The movable component includes a cylindrical portion, the cylindrical portion having a central hole, and the head being accommodated within the central hole; The inner wall of the central hole is provided with an inner flange, which is rotatably fitted around the outer periphery of the limiting step and is disposed opposite to the surface of the head facing the socket.

9. The power cord wrap of claim 8, wherein, The limiting hole is provided in the cylindrical part, and the axis of the limiting hole is perpendicular to the axis of the central hole; The shortest distance between the limiting hole and the inner flange is greater than the dimension of the head in the axial direction of the central hole.

10. The power cord wrap of claim 6, wherein, The fixing part is a screw, and the socket is provided with a threaded hole for fixing the screw.

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