Flat rotary power connection structure

By designing a flat rotary contact structure and utilizing the elastic contact between the elastic conductive element and the energized ring, the contradiction between power and size of the brush-type contacts in the rotary contact structure is resolved, thereby improving conductivity and service life.

CN224036682UActive Publication Date: 2026-03-24GUANGZHOU ZHEN HONG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the existing technology, the brush-type contact structure with rotating contact structure can only be used for low power, which leads to a trade-off between power carrying capacity and volume structure ratio, and also causes severe wear, affecting service life.

Method used

A flat, rotating electrical connection structure is designed, which achieves electrical connection by elastically contacting the live wire ring and the neutral wire ring with the N and L poles, thereby increasing the contact area, reducing wear, and improving service life.

Benefits of technology

It improves conductivity, expands internal installation space, achieves efficient current conduction, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flat rotary power connection structure which comprises a surface cover seat and a chassis seat. The surface cover seat is provided with a live wire electrifying ring and a null line electrifying ring; when the surface cover seat and the base plate seat are relatively static or relatively rotate after being installed, the N-pole elastic conductive part is tightly attached to the live wire electrifying ring through elastic force and makes contact with the live wire electrifying ring so as to achieve electric conduction connection, and the L-pole elastic conductive part makes contact with the live wire electrifying ring through elastic force. The L-pole elastic conductive part is tightly attached to the null line energizing ring through elastic force and makes contact with the null line energizing ring to achieve electric conduction connection, the surface cover base and the base plate base form a flat shape after being assembled, the conductive face is large, the overcurrent efficiency is high, force application of the contact face is even, and the problems existing in rotary power connection in the prior art are effectively solved. The utility model belongs to key components in the field of lifting equipment.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the key component technology in the field of lifting equipment, more particularly, relates to a flat rotary power connection structure applied to a lifting device. BACKGROUND

[0002] At present, electric appliances such as lamps and lanterns are matched with lifting devices, which has the advantage of lifting the electric appliances to a suitable height for use, thereby bringing the best performance of the electric appliances. At present, one application scenario is that the lifting plate of the lifting device needs to be connected with the host computer for power supply, and the power supply hanging line also needs to have the requirement of hanging and pulling gravity, and the key is how the power supply hanging line maintains the power connection in the rotating state. Due to multiple factors such as dynamic duration and electric power, the current mainstream rotating power connection mode is the brush type rotating power connection. Since the brush type is a column structure, the electrode is a contact structure, and can only be used for small power, thereby forming a trade-off contradiction between the power supply power and the volume structure ratio. In order to solve this problem, a flat rotating power connection structure is generated, thereby effectively solving the problems existing in the prior art. The inventor designs a flat rotating power connection structure component, increases the contact area, thereby improving the electric conduction efficiency, and the flat structure greatly widens the internal installation space, thereby effectively solving the shortcomings of the prior art. SUMMARY

[0003] The main purpose of the utility model is to provide a flat rotating power connection structure. When the face cover seat and the bottom disc seat are installed and relatively stationary or relatively rotate, the N-pole elastic conductive part is in elastic contact with the live wire power supply ring through the elastic force to realize the electric connection, and the L-pole elastic conductive part is in elastic contact with the zero line power supply ring through the elastic force to realize the electric connection, thereby reducing the wear and improving the service life.

[0004] According to the first aspect of the utility model, a flat rotating power connection structure is provided, which comprises a face cover seat and a bottom disc seat rotatably installed on the face cover seat.

[0005] The face cover seat is provided with a live wire power supply ring and a zero line power supply ring, and the live wire power supply ring and the zero line power supply ring are respectively provided with an I-wire end.

[0006] The bottom disc seat is provided with a No. 1 ring groove and a No. 2 ring groove, the No. 1 ring groove is provided with an N-pole elastic conductive part, the No. 2 ring groove is provided with an L-pole elastic conductive part, and the N-pole elastic conductive part and the L-pole elastic conductive part are respectively provided with an II-wire end.

[0007] After the face cover seat and the bottom disc seat are installed, the face where the live wire power supply ring is located blocks the No. 1 ring groove, the N-pole elastic conductive part is in elastic close contact with the live wire power supply ring through the elastic force to realize the electric conduction connection, the face where the zero line power supply ring is located blocks the No. 2 ring groove, and the L-pole elastic conductive part is in elastic close contact with the zero line power supply ring through the elastic force to realize the electric conduction connection.

[0008] In a specific embodiment of the utility model, the face cover seat outside is provided with a mounting frame, two limiting holes are arranged on the mounting frame, and the limiting holes are used for limiting the position of the I terminal or the wire connected to the I terminal.

[0009] In a specific embodiment of the utility model, the N-pole elastic conductive part and the L-pole elastic conductive part are both conductive elastic parts, the bottom of the conductive elastic part has a second bending part, the second bending part is the II terminal, and the tail of the conductive elastic part is connected to the uppermost current-carrying ring in the conductive elastic part.

[0010] In a specific embodiment of the utility model, the contact surface of the live wire current-carrying ring and the zero line current-carrying ring is a plane or an arc surface, the bottom of the live wire current-carrying ring and the zero line current-carrying ring has a first bending part, and the first bending part is the I terminal.

[0011] In a specific embodiment of the utility model, the middle part of the bottom disc seat is provided with a rotating column, the middle part of the face cover seat is provided with a center hole, a bearing is installed in the center hole, and the rotating column passes through the bearing and is limited by a fixing part.

[0012] In a specific embodiment of the utility model, the fixing part is a screw, the middle part of the rotating column is provided with a threaded hole, and the inner side surface of the nut of the screw is in contact with the inner ring end surface of the bearing.

[0013] The above technical scheme of the utility model has at least one of the following advantages or beneficial effects: the utility model is provided with the elastic conductive part and the conductive part, the face cover seat and the bottom disc seat are relatively static or relatively rotate after installation, the N-pole elastic conductive part is tightly attached to the live wire current-carrying ring and is in contact with the live wire current-carrying ring to realize electrically conductive connection, the L-pole elastic conductive part is tightly attached to the zero line current-carrying ring and is in contact with the zero line current-carrying ring to realize electrically conductive connection, the face cover seat and the bottom disc seat form a flat shape after assembly, the conductive surface is large, the overcurrent efficiency is high, the force is uniformly applied to the touch pressure surface, and the existing problems of rotary power connection in the prior art are effectively solved. ACCURACY OF DRAWINGS

[0014] The utility model is further illustrated below in combination with the drawings and embodiments;

[0015] Figure 1 It is a structure schematic view of an embodiment of the utility model;

[0016] Figure 2 It is a structure schematic view of a face cover seat in an embodiment of the utility model;

[0017] Figure 3 It is a structure schematic view of a bottom disc seat in an embodiment of the utility model;

[0018] Figure 4 is a structural schematic view of a live wire power-on ring or a neutral wire power-on ring in an embodiment of the present application;

[0019] Figure 5 is a structural schematic view of an N-pole elastic conductive member or an L-pole elastic conductive member in an embodiment of the present application. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0021] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by the upper, lower, front, rear, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0022] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0023] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection or movable connection, or detachable connection or non-detachable connection, or integrally connected; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements, indirect communication or the interaction relationship between two elements.

[0025] The following disclosure provides many different embodiments or examples for implementing different aspects of the present application.

[0026] Referring to Figures 1 to 5 As shown in the flat rotary power connection structure, comprising a face cover seat 10 and a bottom seat 20 rotatably mounted on the face cover seat 10, the face cover seat 10 and the bottom seat 20 are both insulating parts;

[0027] The face cover seat 10 is provided with a live wire power ring 11 and a zero wire power ring 12, which can cover the corresponding mounting ring groove partially or entirely, and the live wire power ring 11 and the zero wire power ring 12 are respectively provided with an I terminal 13, which is exposed after passing through the face cover seat 10;

[0028] The bottom seat 20 is provided with a No. 1 ring groove 24 and a No. 2 ring groove 25, the No. 1 ring groove 24 is provided with an N-pole elastic conductive part 21, and the No. 2 ring groove 25 is provided with an L-pole elastic conductive part 22, and the N-pole elastic conductive part 21 and the L-pole elastic conductive part 22 are respectively provided with a II terminal 23, which is exposed after passing through the bottom seat 20;

[0029] After the face cover seat 10 and the bottom seat 20 are mounted, the face of the live wire power ring 11 blocks the No. 1 ring groove 24, the N-pole elastic conductive part 21 is tightly attached to the live wire power ring 11 by elastic force and is in contact with the live wire power ring 11 to realize electrically conductive connection, the face of the zero wire power ring 12 blocks the No. 2 ring groove 25, and the L-pole elastic conductive part 22 is tightly attached to the zero wire power ring 12 by elastic force and is in contact with the zero wire power ring 12 to realize electrically conductive connection, the face cover seat 10 and the bottom seat 20 are assembled to form a flat shape, the conductive surface is large, the overcurrent efficiency is high, the force of the touch pressure surface is uniform, and the existing problems of rotary power connection are effectively solved.

[0030] It should be noted that the face cover seat 10 and the bottom seat 20 are provided with through holes, so that the I terminal 13 and the II terminal 23 can be exposed after passing through the corresponding mounting seat, facilitating the connection of external power supply and electrical equipment.

[0031] In one embodiment of the utility model, the face cover seat 10 is provided with a mounting frame 40 on the outside, the mounting frame 40 is provided with two limiting holes 41, the limiting hole 41 is used for limiting the position of the I terminal 13 or the wire connected to the I terminal 13, preventing the position of the I terminal 13 or the wire connected to the I terminal 13 from changing when the face cover seat 10 and the bottom seat 20 rotate relatively.

[0032] In one embodiment of the utility model, the N-pole elastic conductive part 21 and the L-pole elastic conductive part 22 are all conductive elastic parts, the bottom of the conductive elastic part has a second bending part, and the second bending part is the II terminal 23. After the face cover seat 10 and the bottom seat 20 are installed, the conductive elastic part is compressed, and the conductive elastic part realizes surface contact with the corresponding conductive part under the action of elasticity, so that even if the live wire power ring 11 and the zero line power ring 12 can cover the corresponding installation ring groove part, the elastic conductive part can also maintain good contact between the corresponding conductive part through the elasticity to realize the electric connection. Preferably, the conductive elastic part is a conductive spring.

[0033] In one embodiment of the utility model, in order to reduce the jamming during the rotation of the face cover seat 10 and the bottom seat 20, the tail part 210 of the conductive elastic part is connected to the uppermost spring ring in the conductive elastic part. Preferably, the tail part 210 of the conductive elastic part is connected to the uppermost spring ring in the conductive elastic part in a smooth connection mode, which can further reduce the jamming during the rotation of the face cover seat 10 and the bottom seat 20. Specifically, after the tail part 210 of the conductive elastic part is welded on the spring ring, the welding point can be trimmed through polishing. Preferably, the conductive elastic part is a conductive spring.

[0034] In one embodiment of the utility model, the contact surface of the live wire power ring 11 and the zero line power ring 12 is a plane or an arc surface, the bottom of the live wire power ring 11 and the zero line power ring 12 has a first bending part, and the first bending part is the I terminal 13. Preferably, the width of the installation ring groove is slightly larger than the diameter of the spring wire body in the conductive elastic part, so that the conductive part and the elastic conductive part maintain an effective contact area.

[0035] In one embodiment of the utility model, the middle part of the bottom seat 20 is provided with a rotating column 26, the middle part of the face cover seat 10 is provided with a center hole, a bearing 30 is installed in the center hole, the rotating column 26 passes through the bearing 30 and is limited by a fixing part 31, and after the rotating column 26 passes through the bearing 30, the face cover seat 10 and the bottom seat 20 can rotate relative to each other.

[0036] In one embodiment of the utility model, the fixing part 31 is a screw, the middle part of the rotating column 26 is provided with a threaded hole 27, and the inner side surface of the nut of the screw is in contact with the inner ring end surface of the bearing 30. When the face cover seat 10 and the bottom seat 20 rotate relative to each other, the screw also rotates with the face cover seat 10.

[0037] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A flat rotary electrical connection structure, characterized in that, Includes a faceplate seat and a chassis seat rotatably mounted on the faceplate seat; The faceplate is provided with a live wire energizing ring and a neutral wire energizing ring, and the live wire energizing ring and the neutral wire energizing ring are respectively provided with an I terminal; The chassis base is provided with a No. 1 ring groove and a No. 2 ring groove. An L-pole elastic conductive element is provided on the No. 1 ring groove, and an N-pole elastic conductive element is installed on the No. 2 ring groove. The L-pole elastic conductive element and the N-pole elastic conductive element are respectively provided with II terminals. After the faceplate and chassis are installed, the faceplate containing the live wire ring will seal the No. 1 ring groove. The L-pole elastic conductive element will achieve electrical connection by tightly contacting the live wire ring with its elastic force. The faceplate containing the neutral wire ring will seal the No. 2 ring groove. The N-pole elastic conductive element will achieve electrical connection by tightly contacting the neutral wire ring with its elastic force.

2. The flat rotary electrical connection structure according to claim 1, characterized in that, A mounting bracket is provided on the outer side of the faceplate seat. The mounting bracket has two limiting holes, which are used to limit the position of the I terminal or the wire connected to the I terminal.

3. The flat rotary electrical connection structure according to claim 1, characterized in that, Both the L-pole elastic conductive element and the N-pole elastic conductive element are conductive elastic elements. The bottom of the conductive elastic element has a second bend, which is the II terminal. The tail of the conductive elastic element is connected to the uppermost energized ring of the conductive elastic element.

4. The flat rotary electrical connection structure according to claim 1, characterized in that, The contact surfaces of the live wire energizing ring and the neutral wire energizing ring are both flat or arc-shaped surfaces. The bottom of the live wire energizing ring and the neutral wire energizing ring has a first bend, which is the I terminal.

5. The flat rotary electrical connection structure according to claim 1, characterized in that, A rotating column is provided in the middle of the chassis base, and a central hole is provided in the middle of the face cover base. A bearing is installed in the central hole, and the rotating column passes through the bearing and is limited by a fixing component.

6. The flat rotary electrical connection structure according to claim 5, characterized in that, The fixing component is a screw, and the rotating column has a threaded hole in the middle. The inner side of the screw nut contacts the inner ring end face of the bearing.