CN219346066U

CN219346066U - Rotating shaft structure, support and display device

Info

Publication number: CN219346066U
Application number: CN202320189415.2U
Authority: CN
Inventors: 宋心镇; 郭宏伟; 伍清波; 张秀金
Original assignee: Dongguan Honglian Electronics Co ltd
Current assignee: Dongguan Honglian Electronics Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-07-14
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of rotating shaft structures and discloses a rotating shaft structure, a bracket and a display device, wherein the rotating shaft structure comprises a fixed shaft, a connecting piece, a wrapping member, a cam, a concave wheel and an elastic piece; the connecting piece is used for connecting an object to be rotated; the wrapping member is connected with the connecting piece, is folded and wrapped on the outer wall of the fixed shaft and can rotate relative to the fixed shaft; the cam, the concave wheel and the elastic piece are all sleeved on the outer wall of the fixed shaft, the cam is in sliding connection with the fixed shaft, the concave wheel is connected with the connecting piece, and the cam is abutted to the concave wheel under the action force of the elastic piece and enables the concave wheel to have a rotating trend relative to the fixed shaft. The technical problem that current pivot structure leads to the volume great and can't satisfy the different demand of the required dynamics of leaning on better owing to use the torsional spring is mainly solved to this application.

Description

Rotating shaft structure, support and display device

Technical Field

The present utility model relates to a rotating shaft structure, and more particularly to a rotating shaft structure, a bracket and a display device.

Background

The existing display adopts torsion springs on the rotating shaft structure of tilting, the torsion springs can enable the display to have certain damping handfeel when the tilting is regulated, so that the display can be stably used by a user at a specific tilting angle, however, as the torsion springs have two end feet which extend out, the torsion springs occupy more space in the radial direction of the rotating shaft, and the rotating shaft structure has the defect of larger size. In addition, the effect of using torsion springs is not ideal for achieving different use requirements for the dynamics required for tilting the display forward and backward.

Disclosure of Invention

The utility model aims to provide a rotating shaft structure, a bracket and a display device, which mainly solve the technical problems that the existing rotating shaft structure has larger volume and can not better meet the requirement of different force required by tilting due to the use of torsion springs.

To achieve the purpose, the utility model adopts the following technical scheme:

a rotating shaft structure comprises a fixed shaft, a connecting piece, a wrapping member, a cam, a concave wheel and an elastic piece;

the connecting piece is used for connecting an object to be rotated;

the wrapping member is connected with the connecting piece, is folded and wrapped on the outer wall of the fixed shaft and can rotate relative to the fixed shaft;

the cam, the concave wheel and the elastic piece are all sleeved on the outer wall of the fixed shaft, the cam is in sliding connection with the fixed shaft, the concave wheel is connected with the connecting piece, and the cam is abutted to the concave wheel under the action force of the elastic piece and enables the concave wheel to have a rotating trend relative to the fixed shaft.

In one embodiment, the concave wheel has a rotation tendency to rotate backward relative to the fixed shaft under the force of the cam abutment.

In one embodiment, the number of the wrapping members is two, and the concave wheel, the cam and the elastic element are sequentially arranged in the direction opposite to each other on the two wrapping members.

In one embodiment, the rotating shaft structure further comprises a fixing frame, wherein the fixing frame is connected with the fixing shaft and is located between the two wrapping members, and the fixing frame is used for limiting the rotation angle of the wrapping members relative to the fixing shaft.

In one embodiment, the two ends of the fixing frame are provided with avoiding grooves, the wrapping member faces the end face of the fixing frame, and the protruding blocks are arranged in the avoiding grooves.

In one embodiment, the fixed shaft comprises a connected cylindrical portion and an extension portion extending outwardly relative to a central axis of the cylindrical portion;

the profile shape of extension is non-cylinder, the profile shape of extension is seted up and is run through and with the profile shape of extension suits in the middle part of cam, extension peg graft in the profile shape, the elastic component cover is located the outer wall of extension just be located the cam is dorsad one side of cylinder, the cam receives the effort of elastic component and can follow the extension is slided, concave wheel cover is located the outer wall of extension just be located the cam is dorsad one side of elastic component, the package component parcel in on the outer wall of cylinder and can for cylinder free rotation.

In one embodiment, the end of the extension is threaded with a nut, the elastic member is located between the nut and the cam, and the nut is used for limiting the movement of the elastic member and adjusting the acting force exerted on the cam by the elastic member.

In one embodiment, the connecting piece is provided with a plurality of screw holes for being connected with the display, and the connecting piece is convexly provided with a plurality of positioning columns for being embedded into the display.

The application also provides a support, including support main part, lifting seat and arbitrary pivot structure of above-mentioned, the lifting seat with support main part sliding connection, the fixed axle is connected the lifting seat.

The application also provides a display device, which comprises a display and the bracket, wherein the display is connected with the connecting piece.

Compared with the prior art, the rotating shaft structure provided by the utility model has at least the following beneficial effects:

according to the technical scheme, the connecting piece can be connected with the display, the wrapping component is adopted to bend and wrap the technical scheme on the outer wall of the fixing shaft, so that the display can have certain damping handfeel when tilting and rotating, the use requirement of a user for tilting and adjusting the display is met, in addition, the display is tilted forwards or tilted backwards through the combination of the elastic piece, the cam and the concave wheel, certain rotation trend is achieved, the use requirement that the required force for tilting forwards and tilting backwards of the display is different is met, and the technical scheme cannot occupy a large space in the radial direction of the fixing shaft and has the advantage of small size.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a shaft structure and a lifting seat after connection according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of the structure of FIG. 2;

fig. 4 is a schematic structural view of a wrapping member according to an embodiment of the present application.

Wherein, each reference sign in the figure:

1. a fixed shaft; 11. a cylindrical portion; 12. an extension; 2. a connecting piece; 21. screw holes; 22. positioning columns; 3. a wrapping member; 31. a bump; 4. a cam; 41. a profiled hole; 5. a concave wheel; 6. an elastic member; 7. a fixing frame; 71. an avoidance groove; 8. a nut; 100. a display; 200. a bracket; 201. a holder main body; 202. a lifting seat; 203. a rotating shaft structure.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1, the present embodiment provides a display device including a display 100 and a stand 200, wherein the stand 200 is used for supporting the display 100, so that the display 100 can be located at a proper height and used by a user. The stand 200 further comprises a stand main body 201, a lifting seat 202 and a rotating shaft structure 203, wherein the stand main body 201 is used for being placed on a horizontal ground or a desktop, the lifting seat 202 is connected with the stand main body 201 in a sliding manner in the vertical direction, the lifting seat 202 and the stand main body 201 can slide relatively through connecting guide rails or rollers, the lifting seat 202 is used for adjusting the height position of the display 100, the rotating shaft structure 203 is connected to the lifting seat 202, and the rotating shaft structure 203 is used for adjusting the tilting angle of the display 100. Referring to fig. 2, the rotating shaft structure 203 is preferably rotatably connected to the lifting base 202 along the a-axis in fig. 2, so that the display 100 can also swing freely in the left-right direction.

The structure of the rotating shaft structure 203 will be described in detail with reference to the drawings.

Referring to fig. 2 to 4, the rotating shaft structure includes a fixed shaft 1, a connecting piece 2, a wrapping member 3, a cam 4, a concave wheel 5, an elastic piece 6, a fixing frame 7 and a nut 8. The fixing frame 7 is fixedly connected with the fixing shaft 1, the fixing frame 7 can be integrally formed with the fixing shaft 1, and can be separately connected with the fixing shaft 1, and the fixing frame 7 and the lifting seat 202 are rotatably connected along the axis a in fig. 2, so that the display 100 can swing freely in the left-right direction. Wherein, a plurality of screw holes 21 are formed on the connecting piece 2, the screw holes 21 are used for being connected with corresponding hole sites on the display 100, a plurality of positioning columns 22 are further convexly arranged on the connecting piece 2, and the positioning columns 22 are used for being embedded into the display 100, so that the connecting piece 2 and the display 100 can be mutually connected into a whole with higher position precision. The wrapping member 3 is fixedly connected with the connecting piece 2, the wrapping member 3 is folded and wrapped on the outer wall of the fixed shaft 1 and can rotate relative to the fixed shaft 1, the wrapping member 3 can provide certain damping for tilting rotation of the display 100, the display 100 can be stably at a proper tilting angle, the cam 4, the concave wheel 5 and the elastic piece 6 are respectively sleeved on the outer wall of the fixed shaft 1, the cam 4 can freely slide along the axial direction of the fixed shaft 1, the concave wheel 5 is fixedly connected with the connecting piece 2, the nut 8 is screwed at the end position of the fixed shaft 1, one end of the elastic piece 6 is directly or indirectly abutted to the nut 8, the cam 4 is abutted to the concave wheel 5 under the action of the elastic piece 6, and the concave wheel 5 has a rotation trend of rotating towards one direction relative to the fixed shaft 1.

In this embodiment, as shown in fig. 1 and 2, the concave wheel 5 has a rotation tendency to recline relative to the fixed shaft 1 after receiving the acting force of the cam 4, and when the user tilts the display 100 forward, the user needs to overcome not only the friction force between the wrapping member 3 and the fixed shaft 1, but also the elastic force of the elastic member 6; when the user leans back the display 100, the elastic force of the elastic member 6 can share the torsion required by the leaning back rotation for the user, that is, the force required by the leaning back of the display 100 is smaller than the force required by the leaning forward at this time, so as to meet the use requirement of the user on the leaning and leaning back adjustment of the display 100.

Specifically, the number of the wrapping members 3 in this embodiment is two, the two wrapping members 3 are separately disposed at different two side positions of the fixing frame 7, and the two wrapping members 3 are sequentially provided with the concave wheel 5, the cam 4, the elastic element 6 and the nut 8 in opposite directions. The two ends of the fixing frame 7 are provided with the avoidance grooves 71, the end faces of the wrapping member 3, which face the fixing frame 7, are convexly provided with the protruding blocks 31, the protruding blocks 31 are located in the avoidance grooves 71, and when the wrapping member 3 rotates to the maximum angle relative to the fixing shaft 1, the protruding blocks 31 on the wrapping member 3 abut against the groove walls of the avoidance grooves 71, so that the fixing frame 7 can also play a role in limiting the rotation angle of the wrapping member 3.

More specifically, the fixed shaft 1 includes a cylindrical portion 11 and two extending portions 12 extending outwards from two sides with respect to a central axis of the cylindrical portion 11, the extending portions 12 are in a non-cylindrical shape, the middle of the cam 4 is provided with a through shaped hole 41, the shaped hole 41 is identical to the extending portions 12 in shape, the extending portions 12 are inserted into the shaped hole 41, the concave wheel 5 and the elastic member 6 are sleeved on the outer wall of the extending portions 12, the elastic member 6 is located on one side of the cam 4 facing away from the cylindrical portion 11, the concave wheel 5 is located on one side of the cam 4 facing the cylindrical portion 11, the nut 8 is screwed at an end portion of the extending portions 12, the elastic member 6 is located between the nut 8 and the cam 4, and the cam 4 can only slide along the axial direction of the fixed shaft 1 and cannot rotate relative to the fixed shaft 1 when receiving the force of the elastic member 6 due to the shape of the extending portions 12, so that the cam 4 can reliably enable the concave wheel 5 to have a backward rotation tendency. The wrapping member 3 is wrapped around the outer wall of the cylindrical portion 11 and is rotatable with respect to the cylindrical portion 11. The nut 8 not only serves to limit the elastic member 6, but also adjusts the elastic force of the elastic member 6 by rotating the nut 8 to different positions on the extension 12, so as to adjust the torsion force required when the monitor 100 is tilted backward, and in this embodiment, the elastic member 6 is preferably a compression spring.

In summary, since the wrapping member 3 is adopted to replace the conventional torsion spring in the rotating shaft structure of the embodiment, the radial direction of the fixing shaft 1 does not occupy a larger space, and secondly, the technical scheme adopts the combination of the elastic member 6, the cam 4 and the concave wheel 5 to realize the labor-saving structural design when the display 100 is leaned back, and also does not occupy too much space of the radial direction of the fixing shaft 1, so that the rotating shaft structure has the advantages of small structure and more attractive appearance.

The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.

Claims

1. The rotating shaft structure is characterized by comprising a fixed shaft (1), a connecting piece (2), a wrapping component (3), a cam (4), a concave wheel (5) and an elastic piece (6);

the connecting piece (2) is used for connecting an object to be rotated;

the wrapping member (3) is connected with the connecting piece (2), is folded and wrapped on the outer wall of the fixed shaft (1) and can rotate relative to the fixed shaft (1);

the cam (4), the concave wheel (5) and the elastic piece (6) are all sleeved on the outer wall of the fixed shaft (1), the cam (4) is in sliding connection with the fixed shaft (1), the concave wheel (5) is connected with the connecting piece (2), and the cam (4) is abutted to the concave wheel (5) under the action force of the elastic piece (6) and enables the concave wheel (5) to have a rotating trend relative to the rotation of the fixed shaft (1).

2. A spindle arrangement according to claim 1, characterized in that the concave wheel (5) has a rotational tendency to turn backward relative to the stationary shaft (1) under the force of abutment of the cam (4).

3. The rotating shaft structure according to claim 1, wherein the number of the wrapping members (3) is two, and the concave wheel (5), the cam (4) and the elastic member (6) are sequentially disposed in the directions in which the wrapping members (3) face away from each other.

4. A spindle construction according to claim 3, characterized in that the spindle construction further comprises a fixing bracket (7), the fixing bracket (7) being connected to the fixing shaft (1) and being located between the two wrapping members (3), the fixing bracket (7) being adapted to limit the angle of rotation of the wrapping members (3) relative to the fixing shaft (1).

5. The rotating shaft structure according to claim 4, wherein avoidance grooves (71) are formed at two ends of the fixing frame (7), protruding blocks (31) are convexly arranged on the end face, facing the fixing frame (7), of the wrapping member (3), and the protruding blocks (31) are located in the avoidance grooves (71).

6. A spindle construction according to claim 1, characterized in that the stationary spindle (1) comprises a connected cylindrical portion (11) and an extension portion (12) extending outwards with respect to the central axis of the cylindrical portion (11);

the profile of extension (12) is non-cylinder, the middle part of cam (4) set up run through and with profile of extension (12) is suitable for abnormal shape hole (41), extension (12) peg graft in abnormal shape hole (41), elastic component (6) cover is located the outer wall of extension (12) just be located cam (4) are facing away from one side of cylinder (11), cam (4) receive elastic component (6) effort and can follow extension (12) slip, concave wheel (5) cover is located the outer wall of extension (12) just be located cam (4) are facing away from one side of elastic component (6), package component (3) wrap up in on the outer wall of cylinder (11) and can for cylinder (11) free rotation.

7. A spindle construction according to claim 6, characterized in that the end of the extension (12) is threaded with a nut (8), the elastic element (6) being located between the nut (8) and the cam (4), the nut (8) being adapted to limit the movement of the elastic element (6) and to adjust the force exerted by the elastic element (6) on the cam (4).

8. The rotating shaft structure according to claim 1, wherein the connecting piece (2) is provided with a plurality of screw holes (21) for connecting with a display, and the connecting piece (2) is convexly provided with a plurality of positioning columns (22) for being embedded into the display.

9. A support, characterized by comprising a support main body (201), a lifting seat (202) and a rotating shaft structure according to any one of claims 1-8, wherein the lifting seat (202) is slidably connected with the support main body (201), and the fixed shaft (1) is connected with the lifting seat (202).

10. A display device comprising a display (100) and the stand of claim 9, the display (100) being connected to the connector (2).