CN222142590U

CN222142590U - A support rotating shaft

Info

Publication number: CN222142590U
Application number: CN202420982762.5U
Authority: CN
Inventors: 郑进涌; 周郡; 周龙
Original assignee: Jiusheng Tangshan Technology Co ltd
Current assignee: Jiusheng Tangshan Technology Co ltd
Priority date: 2024-05-08
Filing date: 2024-05-08
Publication date: 2024-12-10
Anticipated expiration: 2034-05-08

Abstract

The utility model relates to the technical field of rotating shafts, and proposes a pillar rotating shaft, including a bracket having a first through hole; a rotating member rotatably arranged at one end of the bracket, and the two ends of the rotating member respectively have a clamping portion and a second through hole, and the axis of the first through hole and the axis of the second through hole are colinear; a damping shaft passes through the first through hole and the second through hole, and the damping shaft is used to provide rotation resistance for the rotating member. Through the above technical solution, the problem of unstable damping force provided by the corrugated gasket in the prior art is solved.

Description

Pillar rotation shaft

Technical Field

The utility model relates to the technical field of rotating shafts, in particular to a support rotating shaft.

Background

The pillar rotating shaft is a part of a certain structure or a mechanical device, which is used as a core of a pillar rotating function, and the concrete application scene relates to the fields of building and construction, vehicle support, photographing and photographic equipment, furniture design, industrial machinery and the like, wherein damping is added on certain rotating shafts to enable the rotating shafts to smoothly and accurately adjust the direction and angle of a microphone, and mainly relates to the places such as a notebook computer opening and closing cover rotating shaft, a microphone adjusting rotating shaft and the like.

In the prior art, regarding the situation that damping needs to be added to a rotating shaft, a waveform gasket is generally adopted to provide damping force, but the stability of the damping force provided by adopting the waveform gasket is poor, and the service life is short.

Disclosure of utility model

The utility model provides a support rotating shaft, which solves the problem that a corrugated gasket provides unstable damping force in the related technology.

The technical scheme of the utility model is as follows:

a strut rotary shaft, comprising:

A bracket having a first through hole;

The rotating piece is rotatably arranged at one end of the bracket, two ends of the rotating piece are respectively provided with a clamping part and a second through hole, and the axis of the first through hole is collinear with the axis of the second through hole;

And the damping shaft penetrates through the first through hole and the second through hole and is used for providing the rotating resistance of the rotating piece.

Optionally, the first through hole is in a straight groove shape, and a surface of the damping shaft, which is abutted against the first through hole, is also in a straight groove shape.

Optionally, the method further comprises:

The damping shaft is abutted to the first through hole and the second through hole through the damping pad.

Optionally, the bracket has a limiting groove, and further includes:

The limiting rod is arranged on the rotating piece and located in the limiting groove, and after the rotating piece rotates, the limiting rod is abutted to one side of the limiting groove.

Optionally, the damping shaft includes:

the bolt head of the bolt is arranged in the first through hole, and the screw rod of the bolt penetrates through the second through hole;

The damping piece is rotatably arranged on the screw rod of the bolt and is abutted with the inner wall of the second through hole;

The nut is in threaded connection with the bolt, the damping fin is located between the bolt and the nut, the nut with the bolt is used for pressing from both sides tightly the damping fin.

Optionally, the rotating member includes:

the limiting part is arranged on the limiting rod;

The sliding part is arranged on the limiting part in a sliding way, the sliding part is far away from or near to the limiting rod after sliding, the second through hole is formed in the sliding part, and the limiting part, the sliding part and the clamping part are sequentially connected.

Optionally, the second through-hole is the slot hole, the second through-hole has first end and second end, first end is close to spacing portion, after the sliding part slides, the damping fin butt or leave first end still includes:

The damping sheets are abutted to the inner wall of the second through hole through the first transmission teeth;

The second transmission teeth are provided with a plurality of second transmission teeth, the second transmission teeth are arranged at the first end at intervals, and after the damping fin is close to the first end, the first transmission teeth and the second transmission teeth are meshed for transmission.

Optionally, the method further comprises:

The two ends of the first elastic piece are respectively arranged on the sliding part and the limiting part, and the first elastic piece is used for providing force for the sliding part to be far away from the limiting part.

Optionally, the method further comprises:

The cap is provided with two caps which are respectively arranged at two ends of the first through hole.

Optionally, the contact surface of the cap and the second through hole is in a straight groove shape.

The working principle and the beneficial effects of the utility model are as follows:

according to the utility model, the bracket is provided with the first through hole, the rotating piece is provided with the clamping part and the second through hole, the second through hole is collinear with the axis of the first through hole, the damping shaft penetrates through the first through hole and the second through hole, the rotating piece is hinged with the bracket, the rotating piece can not rotate under the condition of not being subjected to external force through the damping shaft, the damping device is suitable for the conditions of a mobile phone support, a microphone support and the like, which need damping rotating shafts, and the clamping part on the rotating piece can clamp an object which needs to be supported. Through the setting of damping axle, not only make the life of damping rotation axis increase by a wide margin, the damping force that the damping axle provided is comparatively stable moreover.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view taken along B-B in FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the figure, 100, a bracket, 110, a first through hole, 200, a rotating piece, 210, a clamping part, 220, a second through hole, 300, a damping shaft, 400, a buffer pad, 120, a limit groove, 500, a limit rod, 310, a bolt, 320, a damping sheet, 330, a nut, 230, a limit part, 240, a sliding part, 221, a first end, 222, a second end, 321, a first transmission tooth, 223, a second transmission tooth, 600, a first elastic piece, 700 and a cap.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. In addition, in order to simplify the drawings and facilitate understanding, components having the same structure or function in some drawings are only schematically illustrated in one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one", and "a number" includes "two" and "two or more".

In this context, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or communicate between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-5, the present utility model provides a strut rotary shaft, which includes a bracket 100, wherein the bracket 100 has a first through hole 110, a rotary member 200 is rotatably disposed at one end of the bracket 100, two ends of the rotary member 200 are respectively provided with a clamping portion 210 and a second through hole 220, an axis of the first through hole 110 is collinear with an axis of the second through hole 220, a damping shaft 300 penetrates through the first through hole 110 and the second through hole 220, and the damping shaft 300 is used for providing a rotation resistance of the rotary member 200.

In this embodiment, the bracket 100 has a first through hole 110, the rotating member 200 has a clamping portion 210 and a second through hole 220, the second through hole 220 is collinear with the axis of the first through hole 110, the damping shaft 300 penetrates through the first through hole 110 and the second through hole 220, so that the rotating member 200 is hinged to the bracket 100, the rotating member 200 can not rotate under the condition of not receiving external force through the damping shaft 300, the device is suitable for the situations requiring damping rotation shafts such as mobile phone support and microphone support, and the clamping portion 210 on the rotating member 200 can clamp an object requiring support. Through the arrangement of the damping shaft 300, the service life of the damping rotating shaft is greatly prolonged, and the damping force provided by the damping shaft 300 is stable.

Further, the first through hole 110 has a straight groove shape, and a surface of the damper shaft 300 abutting against the first through hole 110 also has a straight groove shape.

In this embodiment, the surfaces of the first through hole 110 and the damping shaft 300 abutting against each other are in the shape of straight grooves, which are matched with each other, so that the positioning of the damping shaft 300 is facilitated, and the fixing of one end of the damping shaft 300 is facilitated, so that the damping shaft 300 cannot rotate relative to the bracket 100.

Further, the damper further includes a cushion 400 provided on the damper shaft 300, and the damper shaft 300 is abutted against the first through hole 110 and the second through hole 220 through the cushion 400.

In this embodiment, the damping shaft 300 is abutted to the first through hole 110 and the second through hole 220 through the cushion pad 400, and the cushion pad 400 can separate the damping shaft 300 from the bracket 100 and the damping shaft 300 from the rotating member 200, so as to avoid damage to parts caused by rigid collision.

Further, the bracket 100 has a limiting groove 120, and further includes a limiting rod 500 disposed on the rotating member 200, wherein the limiting rod 500 is located in the limiting groove 120, and after the rotating member 200 rotates, the limiting rod 500 abuts against one side of the limiting groove 120.

In this embodiment, the limiting groove 120 of the bracket 100 can limit the rotation angle of the rotating member 200, and prevent the rotating member 200 from being damaged by the excessive rotation angle of the rotating member 200 when the rotating member 200 clamps an object requiring power.

Further, the damping shaft 300 includes a bolt 310, a bolt 310 head of the bolt 310 is disposed in the first through hole 110, a screw rod of the bolt 310 penetrates through the second through hole 220, a damping piece 320 is rotatably disposed on the screw rod of the bolt 310, the damping piece 320 abuts against an inner wall of the second through hole 220, a nut 330 is in threaded connection with the bolt 310, the damping piece 320 is disposed between the bolt 310 and the nut 330, and the nut 330 and the bolt 310 are used for clamping the damping piece 320.

In this embodiment, the nut 330 fastens the damping fin 320 between the nut 330 and the head of the bolt 310 by threads, so that the damping fin 320 has a certain resistance to rotation, the damping fin 320 abuts against the second through hole 220, and the damping fin 320 rotates synchronously with the second through hole 220, and when the rotating member 200 rotates, the resistance on the damping fin 320 acts on the rotating member 200.

Further, the rotating member 200 includes a limiting portion 230, a limiting rod 500 disposed on the limiting portion 230, a sliding portion 240 slidably disposed on the limiting portion 230, the sliding portion 240 slides to be far away from or close to the limiting rod 500, a second through hole 220 is disposed on the sliding portion 240, and the limiting portion 230, the sliding portion 240 and the clamping portion 210 are sequentially connected.

In this embodiment, the rotating member 200 includes a limiting portion 230 and a sliding portion 240, and the sliding portion 240 can slide relative to the limiting portion.

Further, the second through hole 220 is a long hole, the second through hole 220 has a first end 221 and a second end 222, the first end 221 is close to the limiting part 230, after the sliding part 240 slides, the damping piece 320 is abutted against or separated from the first end 221, the second through hole further comprises a plurality of first transmission teeth 321, the circumference is arranged on the damping piece 320 at intervals, the damping piece 320 is abutted against the inner wall of the second through hole 220 through the first transmission teeth 321, the second transmission teeth 223 are provided with a plurality of second transmission teeth, the second transmission teeth 223 are arranged at intervals at the first end 221, and after the damping piece 320 is close to the first end 221, the first transmission teeth 321 and the second transmission teeth 223 are meshed for transmission.

In this embodiment, the second through hole 220 is a long hole, after the sliding portion 240 slides, the damping fin 320 approaches to or departs from the first end 221, the first driving gear 321 on the damping fin 320 can be meshed with the second driving gear 223, after the first driving gear 321 is meshed with the second driving gear 223, the damping fin 320 rotates synchronously with the rotating member 200, and after the damping fin 320 departs from the first end 221, the rotating member 200 rotates alone without damping during rotation. Through the sliding of the sliding part 240, when the rotating member 200 is required to rotate, the rotating member 200 can be independently rotated to adjust a large angle, and then the first transmission gear 321 and the second transmission gear 223 are in a meshed state to accurately adjust the angle of the rotating member 200, so that the abrasion of the damping shaft 300 is reduced, and the service life of the damping shaft 300 is prolonged.

Further, the sliding part 240 and the limiting part 230 are respectively disposed at two ends, and the first elastic member 600 is used for providing a force of the sliding part 240 away from the limiting part 230.

In this embodiment, two ends of the first elastic member 600 are respectively connected to the sliding portion 240 and the limiting portion 230, the elastic force of the first elastic member 600 can make the first driving gear 321 and the second driving gear 223 always in a meshed state, when the rotation member 200 is required to rotate, the sliding portion 240 is pressed, the first elastic member 600 is compressed, the first driving gear 321 and the second driving gear 223 are far away from each other, the rotation member 200 is not damped in rotation, and after the sliding portion 240 is released, the first driving gear 321 and the second driving gear 223 are in a meshed state again under the action of the first elastic member 600, so as to play a role in damping the force for preventing the rotation member 200 from rotating.

Further, there are two caps 700 respectively disposed at both ends of the first through hole 110.

In this embodiment, the caps 700 are fastened at two ends of the first through hole 110, so that the overall appearance is more attractive.

Further, the contact surface of the cap 700 and the second through hole 220 is in a straight groove shape.

In this embodiment, the contact surface between the cap 700 and the second through hole 220 is in a straight groove shape, which is also convenient for positioning the cap 700.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A prop rotation shaft, comprising:

-a bracket (100), the bracket (100) having a first through hole (110);

The rotating piece (200) is rotatably arranged at one end of the bracket (100), two ends of the rotating piece (200) are respectively provided with a clamping part (210) and a second through hole (220), and the axis of the first through hole (110) is collinear with the axis of the second through hole (220);

And a damping shaft (300) penetrating the first through hole (110) and the second through hole (220), wherein the damping shaft (300) is used for providing the rotation resistance of the rotating member (200).

2. A prop rotation shaft according to claim 1, characterized in that the first through hole (110) is in the shape of a straight groove, and the surface of the damping shaft (300) abutting against the first through hole (110) is also in the shape of a straight groove.

3. The prop rotation shaft of claim 1, further comprising:

And a cushion pad (400) arranged on the damping shaft (300), wherein the damping shaft (300) is abutted with the first through hole (110) and the second through hole (220) through the cushion pad (400).

4. The prop rotation shaft according to claim 1, wherein the bracket (100) has a limit groove (120), further comprising:

The limiting rod (500) is arranged on the rotating piece (200), the limiting rod (500) is located in the limiting groove (120), and after the rotating piece (200) rotates, the limiting rod (500) is abutted to one side of the limiting groove (120).

5. The strut rotary shaft according to claim 4, wherein the damper shaft (300) comprises:

The bolt (310), the bolt (310) head of the bolt (310) is arranged in the first through hole (110), and the screw rod of the bolt (310) penetrates through the second through hole (220);

A damping fin (320) rotatably disposed on the screw of the bolt (310), the damping fin (320) abutting against the inner wall of the second through hole (220);

The nut (330), nut (330) with bolt (310) threaded connection, damping fin (320) are located bolt (310) and nut (330), nut (330) with bolt (310) are used for pressing from both sides tight damping fin (320).

6. A prop rotation shaft according to claim 5, characterized in that the turning member (200) comprises:

A limit part (230), wherein the limit rod (500) is arranged on the limit part (230);

The sliding part (240) is arranged on the limiting part (230) in a sliding mode, the sliding part (240) is far away from or close to the limiting rod (500) after sliding, the second through hole (220) is formed in the sliding part (240), and the limiting part (230), the sliding part (240) and the clamping part (210) are sequentially connected.

7. The strut rotation shaft according to claim 6, wherein the second through hole (220) is a long hole, the second through hole (220) has a first end (221) and a second end (222), the first end (221) is close to the limit portion (230), and the damping fin (320) abuts against or leaves the first end (221) after the sliding portion (240) slides, and the strut rotation shaft further comprises:

The first transmission teeth (321) are arranged on the damping sheets (320) at intervals, and the damping sheets (320) are abutted on the inner wall of the second through hole (220) through the first transmission teeth (321);

The second transmission teeth (223) are provided with a plurality of second transmission teeth, the second transmission teeth (223) are arranged at the first end (221) at intervals, and after the damping fin (320) is close to the first end (221), the first transmission teeth (321) and the second transmission teeth (223) are meshed for transmission.

8. The prop rotation shaft of claim 6, further comprising:

And the two ends of the first elastic piece (600) are respectively arranged on the sliding part (240) and the limiting part (230), and the first elastic piece (600) is used for providing force for the sliding part (240) to be far away from the limiting part (230).

9. The prop rotation shaft of claim 1, further comprising:

and caps (700) respectively arranged at two ends of the first through hole (110).

10. The prop rotation shaft according to claim 9, wherein the contact surface of the cap (700) with the second through hole (220) is in the shape of a straight groove.