CN219629142U

CN219629142U - Spacing pivot

Info

Publication number: CN219629142U
Application number: CN202321314145.XU
Authority: CN
Inventors: 陈振杰
Original assignee: Huilin Furniture Accessories Co ltd
Current assignee: Huilin Furniture Accessories Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-05
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a limiting rotating shaft, which relates to the technical field of rotating seat accessories, and adopts the technical scheme that: including the sleeve, the sleeve includes a section of thick bamboo, a section of thick bamboo down, the upper and lower section of thick bamboo is equipped with the detachable plug connection from top to bottom, upper and lower section of thick bamboo inner wall plug connection pivot, pivot outer wall and upper and lower section of thick bamboo inner wall cooperation rotation are connected, upper section of thick bamboo outer wall fixed mounting limit stop, pivot outer wall fixed mounting rotatory stop one, rotatory stop one outer wall and limit stop cooperation carry out spacingly to pivot turned angle, through setting up limit stop, at limit stop outer wall fixed mounting damping fin one, at stopper outer wall fixed mounting silica gel pad, all be provided with limit structure at upper section of thick bamboo top outer wall and lower section of thick bamboo bottom inner wall to make when rotating the pivot, can improve the atress homogeneity of upper and lower position, can absorb energy through damping fin one and silica gel pad cooperation simultaneously, reduce noise, structural stability when conveniently improving the rotation.

Description

Spacing pivot

Technical Field

The utility model relates to the technical field of rotary seat accessories, in particular to a limiting rotating shaft.

Background

The gyrostatic chair is also called a swivel chair, which completely gets rid of the four-eight mode of the traditional chair, has no fixed sitting direction, but can be rotated at will by 360 degrees as long as the chair which is exactly like a large gyrostatic is sat in, but because the range of the rotation of the chair needs to be controlled under specific conditions, a limit rotating shaft needs to be arranged below a supporting structure of the bottom of the chair, so that the rotation range of the swivel chair is conveniently controlled.

The prior art has the following defects: the current spacing pivot that is used for controlling seat rotation range generally adopts pivot and telescopic cooperation to use, sets up rotatory limit structure respectively on pivot and telescopic outer wall, but traditional spacing pivot structure, generally only is provided with one for the installation of being convenient for spacing, lacks the energy-absorbing damping structure simultaneously in spacing department to when taking place spacing, great impact takes place easily in two limit structure departments, thereby leads to equipment damage easily, produces certain noise simultaneously, and silence nature is relatively poor.

Therefore, it is necessary to invent a limit rotating shaft.

Disclosure of Invention

Therefore, the utility model provides the limiting rotating shaft, the limiting stop block is arranged, the first damping sheet is fixedly arranged on the outer wall of the limiting stop block, the silica gel pad is fixedly arranged on the outer wall of the limiting block, and the limiting structures are arranged on the outer wall of the top of the upper cylinder and the inner wall of the bottom of the lower cylinder, so that the stress uniformity of the upper and lower positions can be improved when the rotating shaft is rotated, the impact force can be absorbed through the cooperation of the first damping sheet and the silica gel pad, the noise is reduced, and the structural stability during rotation is conveniently improved, and the problem in the background technology is solved.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a limit rotating shaft, includes the sleeve, the sleeve includes a section of thick bamboo, a section of thick bamboo down, a section of thick bamboo upper and lower cooperation is dismantled and is pegged graft and connect, a section of thick bamboo, lower section of thick bamboo inner wall are pegged graft and are connected the pivot, pivot outer wall and a section of thick bamboo upper and lower section of thick bamboo inner wall cooperation rotation are connected, a section of thick bamboo outer wall fixed mounting limit stop, a pivot outer wall fixed mounting rotary stop one, rotary stop one outer wall and limit stop cooperation are spacing pivot turned angle.

Preferably, the limit stop is fan-shaped, the outer walls of the left end and the right end of the limit stop are fixedly provided with damping sheets I, and the damping sheets I are used for vibration reduction and energy absorption when collision is carried out on one surface of the rotation stop.

Preferably, the jack is provided at the top of the shaft, and the jack is used for docking the seat bottom supporting structure.

Preferably, the second rotary stop block is fixedly arranged at the bottom end of the rotating shaft and is in a fan shape, the outer wall of the second rotary stop block is in matched sliding connection with the inner wall of the lower cylinder, and solid lubricating oil is uniformly coated at the joint of the second rotary stop block and the inner wall of the lower cylinder.

Preferably, the limiting block is fixedly arranged on the inner wall of the lower cylinder, the silica gel pads are fixedly arranged on the outer walls of the left side and the right side of the limiting block, the second rotary stop block is clamped and limited by the matching of the limiting block, and the silica gel pads are used for absorbing energy and reducing vibration.

The beneficial effects of the utility model are as follows:

1. through setting up limit stop, at limit stop outer wall fixed mounting damping fin one, at stopper outer wall fixed mounting silica gel pad, at last section of thick bamboo top outer wall and lower section of thick bamboo bottom inner wall all are provided with limit structure to when rotating the pivot, can improve the atress homogeneity of upper and lower position, can absorb energy to the impact through damping fin one and silica gel pad cooperation simultaneously, noise reduction, structural stability when conveniently improving the rotation;

2. through setting up upper cylinder, lower cylinder upper and lower cooperation grafting connection to when conveniently carrying out the composite installation to sleeve and pivot, can carry out the composite installation to upper and lower two limit structure positions respectively, conveniently improve the convenience of installing upper cylinder, lower cylinder and pivot, make things convenient for operating personnel to install.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure provided by the present utility model;

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

FIG. 3 is a schematic diagram of a front view structure according to the present utility model;

FIG. 4 is a schematic side view of the present utility model;

fig. 5 is a schematic cross-sectional view of the present utility model.

In the figure: sleeve, upper cylinder 100, lower cylinder 110, limit stop 120, damping fin one 130, spindle 200, jack 210, rotation stop one 220, rotation stop two 230, stopper 240, and silicone pad 250.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-5, the present utility model provides a limiting rotating shaft, and in order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spacing pivot, including sleeve (not annotate in the figure), the sleeve includes upper cylinder 100, lower cylinder 110, upper cylinder 100, lower cylinder 110 is from top to bottom cooperation detachable plug connection, upper cylinder 100, lower cylinder 110 inner wall plug connection pivot 200, be used for with pivot 200 cooperation rotation connection through setting up the sleeve, thereby conveniently make and rotate between seat and the base of rotary seat to rotate and connect, pivot 200 outer wall and upper cylinder 100, lower cylinder 110 inner wall cooperation rotation connection, upper cylinder 100 outer wall fixed mounting limit stop 120, pivot 200 outer wall fixed mounting rotary stop one 220, rotary stop one 220 outer wall and limit stop 120 cooperation are spacing pivot 200 turned angle, through setting up upper cylinder 100, lower cylinder 110 carries out the grafting combination formula and connects, set up the sleeve into split type structure, thereby conveniently carry out composite installation to upper cylinder 100, lower cylinder 110 and pivot 200, the convenience is dismantled and maintained the spacing pivot of later stage, through setting up rotary stop one 220 and limit stop 120 cooperation spacing, be used for controlling the pivot 200 at upper cylinder 100, the inside rotation range of lower cylinder 110.

The limit stop 120 is in a fan shape, the first damping sheets 130 are fixedly arranged on the outer walls of the left end and the right end of the limit stop 120, the first damping sheets 130 are arranged to reduce the impact force generated when the limit stop 120 and the first rotation stop 220 collide, so that the impact caused by rotation of the rotating shaft 200 is reduced, the stability and the silencing effect of the rotating seat during operation are improved conveniently, the protection performance of the contact position between the limit stop 120 and the first rotation stop 220 is improved, the service life of the limiting rotating shaft is prolonged, the first damping sheets 130 are used for vibration absorption and energy absorption during collision of the surface of the first rotation stop 220, the top of the rotating shaft 200 is provided with the jack 210, the jack 210 is used for butt joint of a seat bottom supporting structure, and the first damping sheets 130 are made of high polymer materials or rubber materials and have excellent vibration absorption and noise reduction performance, heat resistance, cold resistance performance, aging resistance performance and extremely strong cohesiveness. The chair has no stimulation to human skin, no corrosion to metal, plastic, rubber and other materials, and is used for butt joint of the bottom support structure of the seat surface of the rotary chair by arranging the jack 210.

The rotation block II 240 is fixedly installed at the bottom end of the rotating shaft 200, the rotation block II 240 and the limiting block 250 are matched for use, the rotation block II 240 is in a fan shape and is in matched sliding connection with the inner wall of the lower cylinder 110, solid lubricating oil (not marked in the drawing) is uniformly coated at the joint of the rotation block II 240 and the inner wall of the lower cylinder 110, the limiting block 250 is fixedly installed on the inner wall of the lower cylinder 110, the silica gel pads 260 are fixedly installed on the outer walls of the left side and the right side of the limiting block 250, the rotation block II 240 is matched with the limiting block 250 for limiting, the silica gel pads 260 are used for absorbing energy and reducing vibration, and the silica gel pads 260 are used for reducing the impact force between the rotation block II 230 and the limiting block 240 so as to conveniently improve the mute effect.

The application process of the utility model is as follows: when a person skilled in the art uses the damper, the damper 130 is fixedly installed on the left outer wall and the right outer wall of the limit stop 120, both ends of the limit stop 120 are wrapped, the rotating shaft 200 is inserted into the inner wall of the upper cylinder 100, the rotation stop 220 and the limit stop 120 are matched for rotation limiting, the rotation stop 230 is fixedly connected to the bottom of the rotating shaft 200, the silica gel pad 250 is fixedly installed on the left outer wall and the right outer wall of the limit block 240, the limit block 240 and the silica gel pad 250 are fixedly installed on the inner wall of the lower cylinder 110 in a clamping and fixing manner, and the lower cylinder 110 and the limit block 240 are spliced and butted with the bottom of the upper cylinder 100 together, so that the rotation stop 230 and the limit block 240 are matched for rotation limiting.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a spacing pivot, includes the sleeve, the sleeve includes upper cylinder (100), lower cylinder (110), upper cylinder (100), lower cylinder (110) are cooperation about can dismantling plug connection, upper cylinder (100), lower cylinder (110) inner wall plug connection pivot (200), its characterized in that: the outer wall of the rotating shaft (200) is in matched rotation connection with the inner walls of the upper cylinder (100) and the lower cylinder (110), a limit stop (120) is fixedly installed on the outer wall of the upper cylinder (100), a first rotary stop (220) is fixedly installed on the outer wall of the rotating shaft (200), and the outer wall of the first rotary stop (220) is matched with the limit stop (120) to limit the rotation angle of the rotating shaft (200).

2. The limit rotating shaft according to claim 1, wherein the limit stop (120) is provided with a fan shape, the outer walls of the left end and the right end of the limit stop (120) are fixedly provided with first damping sheets (130), and the first damping sheets (130) are used for damping and absorbing energy when the surfaces of the first rotary stop (220) collide.

3. A spacing hinge according to claim 2, wherein the top of the hinge (200) is provided with a receptacle (210), the receptacle (210) being adapted to interface with a seat bottom support structure.

4. The limit rotating shaft according to claim 1, wherein a second rotation stop block (230) is fixedly installed at the bottom end of the rotating shaft (200), the second rotation stop block (230) is in a fan shape, the outer wall of the second rotation stop block (230) is in matched sliding connection with the inner wall of the lower cylinder (110), and solid lubricating oil is uniformly coated at the connection part of the second rotation stop block (230) and the inner wall of the lower cylinder (110).

5. The limiting rotating shaft according to claim 4, wherein a limiting block (240) is fixedly installed on the inner wall of the lower cylinder (110), silica gel pads (250) are fixedly installed on the outer walls of the left side and the right side of the limiting block (240), the second rotation stop block (230) is clamped and limited with the limiting block (240) in a matching mode, and the silica gel pads (250) are used for absorbing energy and reducing vibration.