WO2020232646A1

WO2020232646A1 - Rotary conductive device

Info

Publication number: WO2020232646A1
Application number: PCT/CN2019/087866
Authority: WO
Inventors: 王伟华
Original assignee: 富创科技(江西)有限公司
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-11-26

Abstract

Embodiments of the present application provide a rotary conductive device, comprising a first base body, a second base body, a conductive structure provided between the first base body and the second base body, and a rotary driving member used for driving the first base body and the second base body to generate relative rotation, wherein the conductive structure comprises a conductive ring and a conductive spring which are in mutual elastic abutment; one of the conductive ring and the conductive spring is arranged on the second base body, the other is arranged on the first base body; the first base body and the second base body are in relative rotation connection by means of a ball bearing; the first base body and a first ring body of the ball bearing are in relative fixed connection; the second base body and a second ring body of the ball bearing are in relative fixed connection; an output shaft of the rotary driving member is fixed to the first base body; and a main housing of the rotary driving member is fixed to the second base body. According to the embodiments, the conductive ring and the conductive spring are set for continuous conduction of a circuit, the rotary driving member cooperates with the ball bearing to drive the second base body to rotate with respect to the first base body, thereby guaranteeing smoothness of rotation of the conductive ring and the conductive spring.

Description

Rotating conductive device

Technical field

The embodiments of the present application relate to the technical field of electrical connection equipment, and in particular to a rotating conductive device.

Background technique

In the circuit connection structure of the existing rotating equipment, when two relatively rotating electrical components are electrically connected, the existing wire connection method will cause the two electrical components to wind the wires on the rotating shaft when the two electrical components rotate relatively, or even The wire will be hinged and the circuit will be disconnected, which will affect the normal use. Therefore, the conductive slip ring came into being. Most of the existing conductive slip rings include a mutually rotating fixed seat, a movable seat, and a brush and a conductive metal sheet. The brush is rotated and brushed on the conductive metal sheet to maintain the continuous conduction of the circuit, and the existing conductive slip ring is also equipped with The motor and transmission gear set drive the movable seat to rotate relative to the fixed seat. Therefore, the overall structure is relatively complicated and the assembly is inconvenient. Moreover, when gear transmission is adopted, the friction between the fixed seat and the movable seat is relatively large, resulting in one of the two The rotation between is not smooth.

technical problem

The technical problem to be solved by the embodiments of the present application is to provide a rotating conductive device with a simple structure and smooth rotation.

Technical solutions

In order to solve the above technical problems, the embodiments of the present application provide the following technical solutions: a rotary conductive device, including a first base, a second base, a conductive structure arranged between the first base and the second base, and In order to promote the relative rotation of the first seat body and the second seat body, the conductive structure includes a conductive ring and a conductive elastic sheet that elastically abut each other. One of the conductive ring and the conductive elastic sheet is provided in the The second seat body and the other one is provided on the first seat body. The first seat body and the second seat body are relatively rotatably connected by a ball bearing, and the first seat body is connected to the first seat body of the ball bearing. The ring body is relatively fixedly connected, the second seat body is relatively fixedly connected to the second ring body of the ball bearing, the output shaft of the rotary drive member is fixed to the first seat body, and the main housing of the rotary drive member and The second base body is fixed.

Further, the rotating conductive device further includes an adapter seat, and the second ring body of the ball bearing is fixedly connected with the adapter seat.

Further, the second seat body is formed with a hook extending outwardly toward a side surface of the first seat body, and an end of the adapter seat facing the second seat body is formed with a hook groove, and the hook is connected to the hook groove hook. Buckle fixed.

Further, the first seat body includes a base and a connecting sleeve that is clamped and fixed on the base, and a hollow cavity facing the connecting sleeve protrudes from the middle of a side surface of the base. A connecting column, the end of the output shaft of the rotating power component passes through the hollow cavity of the connecting sleeve and is fixedly connected with the connecting column in the circumferential direction, and the first ring body of the ball bearing is fixedly connected with the connecting sleeve.

Further, the end surface of the connecting column is provided with a socket, and the end of the output shaft of the rotating power member is correspondingly inserted into the socket.

Further, the socket has a non-circular cross section, and the shape of the end of the output shaft of the rotary power member matches the socket.

Further, the conductive rings are arranged as two concentric circular structures located in the same plane and insulated and isolated from each other, and each conductive ring abuts one of the conductive elastic pieces in a one-to-one correspondence.

Further, an insertion portion is formed on the conductive ring, and the conductive ring is embedded on a side surface of the connecting sleeve facing the second seat body with the insertion portion.

Beneficial effect

After adopting the above technical solution, the embodiments of the present application have at least the following beneficial effects: the embodiments of the present application are provided with a conductive ring and a conductive elastic sheet on the second base and the first base, respectively, when the second base is opposite to the first base When rotating, the conductive ring and the conductive shrapnel can continue to conduct the circuit, and the rotary drive part and the ball bearing are used to drive the second seat body to rotate relative to the first seat body. The structure is simple and can effectively reduce the second seat body and the first seat body. The friction between them ensures the smoothness of rotation and conduction between the conductive ring and the conductive shrapnel.

Description of the drawings

Fig. 1 is a schematic diagram of an exploded structure of an alternative embodiment of a rotating conductive device of the present application.

FIG. 2 is a schematic diagram of a three-dimensional structure of an alternative embodiment of the rotating conductive device of this application.

FIG. 3 is a schematic cross-sectional structure diagram of an alternative embodiment of the rotating conductive device of this application.

本申请的实施方式Implementation of this application

The application will be further described in detail below in conjunction with the drawings and specific embodiments. It should be understood that the following exemplary embodiments and descriptions are only used to explain the application, not as a limitation to the application, and, in the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other .

As shown in FIGS. 1-3, an embodiment of the present application provides a rotating conductive device, which includes a first base 1, a second base 3, and a conductive structure provided between the first base 1 and the second base 3. 5 and a rotary driving member 7 for urging the first seat body 1 and the second seat body 3 to rotate relative to each other. The conductive structure 5 includes a conductive ring 50 and a conductive spring 52 that elastically abut each other, the conductive ring 50 and One of the conductive springs 52 is provided on the second seat body 3 and the other is provided on the first seat body 1. The ball bearing 9 can be used between the first seat body 1 and the second seat body 3 The first seat body 1 is relatively fixedly connected with the first ring body 90 of the ball bearing 9, and the first seat body 1 is relatively fixedly connected with the second ring body 92 of the ball bearing 9, and the rotation driving member 7 The output shaft 70 is fixed to the first base 1 and the main housing 72 of the rotary drive member 7 is fixed to the second base 3.

In specific implementation, the rotating drive member 7 can be a motor or a rotating cylinder. The first ring body 90 and the second ring body 92 of the ball bearing 9 may respectively correspond to the inner ring and the outer ring, or respectively correspond to the outer ring and the inner ring, and in the embodiment shown in Figs. 1-3, the conductive The elastic piece 52 is installed on the second seat body 3, the conductive ring 50 is installed on the first seat body 1, and the first ring body 90 and the second ring body 92 of the ball bearing 9 correspond to the inner ring and the outer ring, respectively.

In the embodiment of the present application, a conductive ring 50 and a conductive elastic sheet 52 are respectively provided on the second base body 3 and the first base body 1. When the second base body 3 rotates relative to the first base body 1, the conductive ring 50 and the conductive elastic sheet 52 The circuit can be continuously conducted, and the rotary drive member 7 and the ball bearing 9 are used to drive the second seat body 3 to rotate relative to the first seat body 1. The structure is simple and can effectively reduce the gap between the second seat body 3 and the first seat body 1. The friction ensures the smoothness of the rotation and conduction of the conductive ring 50 and the conductive spring 52.

In an optional embodiment of the present application, the rotating conductive device further includes an adapter seat 94, and the second ring body 92 of the ball bearing 9 is fixedly connected to the adapter seat 94. In this embodiment, the second ring body 92 of the ball bearing 9 is fixed to the adaptor 94, so that the ball bearing 9 can be stably fixed, and torque is transmitted through the adaptor 94, which has a simple structure and is convenient for assembly.

In an optional embodiment of the present application, a hook 30 is formed on the side surface of the second seat body 3 facing the first seat body 1 and is formed on one end of the adapter seat 94 facing the second seat body 3. There is a hook groove 941, and the hook 30 is hooked and fixed to the hook groove 941. In this embodiment, a hook 30 and a hook groove 941 are correspondingly provided on the second seat body 3 and the adapter seat 94, and the second seat body 3 and the adapter seat 94 are connected stably through the hook fixing between the two. Simple and easy to assemble.

In an optional embodiment of the present application, the first base body 1 includes a base 10 and a connecting sleeve 12 that is clamped and fixed on the base 10, and the base 10 is also convex toward the middle of a side surface of the connecting sleeve 12 A connecting column 101 facing the hollow cavity of the connecting sleeve 12 is formed. The end of the output shaft 70 of the rotating power member 7 passes through the hollow cavity of the connecting sleeve 12 and is fixedly connected to the connecting column 101 in the circumferential direction. , The first ring body 90 of the ball bearing 9 is fixedly connected to the connecting sleeve 12. The first seat body 1 of this embodiment adopts the structure form of the base 10 and the connecting sleeve 12, which facilitates the assembly of the ball bearing 9 and the adaptor 94 into the connecting sleeve 12, the installation method is simple, and the base 10 can also effectively cover the connection One end of the sleeve 12 prevents foreign matter from entering the inside of the connecting sleeve 12; in addition, by setting the connecting column 101 and the end of the output shaft 70 of the rotating power part 7 to be fixed in the circumferential direction, the output shaft 70 of the rotating power part 7 can be effectively connected to the first seat The body 1 is fixedly connected. In specific implementation, the base 10 of the first seat body 1 is fixed to a corresponding fixed object, and the output shaft 70 of the rotary power member 7 is fixedly connected to the first seat body 1, and the main housing 70 of the rotary power member 7 is connected to the The second seat body 3 is fixed. Due to the relative rotation of the output shaft 70 of the rotary power element 7 and the main housing 70, the second seat body 3 rotates relative to the first seat body 1 under the drive of the main housing 70.

In an optional embodiment of the present application, the end surface of the connecting column 101 is provided with a socket 103, and the end of the output shaft 70 of the rotating power member 7 is inserted into the socket 103 correspondingly. In this embodiment, the jack 103 is provided. During specific installation, the end of the output shaft 70 of the rotary power member 7 is directly inserted into the jack 103 to fix the output shaft 70, which is convenient for assembly.

In an optional embodiment of the present application, the socket 103 has a non-circular cross section, and the shape of the end of the output shaft 70 of the rotating power member 7 matches the socket 103. The jack 103 in this embodiment is a non-circular cross section. When the end of the output shaft 72 of the rotary power part 7 is inserted into the jack 103 for rotation, the outer contour shape of the jack 103 can effectively lock the rotation power part 7 The output shaft 72 prevents rotation and does not require additional locking, which is very convenient. In specific implementation, the cross-sectional shape of the jack 103 has many shapes, such as a square, a rectangle, or a triangle.

In an optional embodiment of the present application, the conductive rings 50 are arranged as two concentric structures located in the same plane and insulated and isolated from each other, and each conductive ring 50 is in a one-to-one correspondence with one of the conductive elastic sheets 52. Pick up. The conductive ring 50 in this embodiment is two separate circuit positive and negative electrodes or different signal loops. The two groups are located on the same plane and are different, and the conductive spring 52 and the conductive ring 50 abut one to one to ensure that the conductive spring 52 can Continuous electrical connection with the conductive ring 50 within 360 degrees.

In an optional embodiment of the present application, an insertion portion 501 is formed on the conductive ring 50, and the conductive ring 50 is embedded on the side surface of the connecting sleeve 12 facing the second seat body 3 with the insertion portion 501. In this embodiment, the insertion part 501 is provided, which can stably fix the conductive ring 50 on the connecting sleeve 12 to prevent deviation.

The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Those of ordinary skill in the art are Under the enlightenment of this application, many forms can be made without departing from the purpose of this application and the scope of protection of the claims, which all fall within the scope of protection of this application.

Industrial applicability

Claims

A rotary conductive device, comprising a first seat body, a second seat body, a conductive structure arranged between the first seat body and the second seat body, and a device for promoting relative rotation between the first seat body and the second seat body A rotary driving member, the conductive structure includes a conductive ring and a conductive elastic sheet that elastically abut each other, one of the conductive ring and the conductive elastic sheet is arranged on the second base body and the other is arranged on the first base body Above, it is characterized in that the first seat body and the second seat body are relatively rotatably connected by a ball bearing, and the first seat body is relatively fixedly connected with the first ring body of the ball bearing, and the second seat body is connected with The second ring body of the ball bearing is relatively fixedly connected, the output shaft of the rotary drive member is fixed to the first seat body, and the main housing of the rotary drive member is fixed to the second seat body.
The rotating conductive device according to claim 1, wherein the rotating conductive device further comprises an adapter seat, and the second ring body of the ball bearing is fixedly connected to the adapter seat.
The rotating conductive device according to claim 2, wherein a hook is formed on a side surface of the second base body facing the first base body, and a hook is formed on an end of the adapter base facing the second base body. The hook is hooked and fixed with the hook.
The rotating conductive device according to claim 2, wherein the first base body includes a base and a connecting sleeve that is clamped and fixed on the base, and the base is also formed to protrude toward the middle of a side surface of the connecting sleeve. There is a connecting column facing the hollow cavity of the connecting sleeve, the end of the output shaft of the rotating power part passes through the hollow cavity of the connecting sleeve and the connecting column is fixedly connected in the circumferential direction, and the first ball bearing The ring body is fixedly connected with the connecting sleeve.
The rotating conductive device according to claim 4, wherein the end surface of the connecting column is provided with a socket, and the end of the output shaft of the rotating power member is correspondingly inserted into the socket.
The rotary conductive device according to claim 5, wherein the insertion hole has a non-circular cross section, and the shape of the end of the output shaft of the rotating power member matches the insertion hole.
The rotating conductive device according to claim 1, wherein the conductive rings are arranged in two concentric structures located in the same plane and insulated and isolated from each other, and each conductive ring corresponds to one of the conductive elastic pieces one to one. Abut.
The rotating conductive device according to claim 4, wherein an insertion portion is formed on the conductive ring, and the conductive ring is embedded on a side surface of the connecting sleeve facing the second seat body with the insertion portion.