CN218279147U

CN218279147U - Improved sliding rotating disk

Info

Publication number: CN218279147U
Application number: CN202222780201.0U
Authority: CN
Inventors: 韩承昊
Original assignee: Taizhou Jiangyan Xinghan Metal Products Co ltd
Current assignee: Taizhou Jiangyan Xinghan Metal Products Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-01-13
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses an improvement type slip rotary disk. This improvement type slip rotary disk includes upper plate and lower plate, the upper ring groove has been seted up to the upper plate, the lower annular groove has been seted up to the lower plate, on, be provided with a plurality of ball between the lower annular groove, on, the center department of lower annular groove is provided with and runs through on, the center post of lower plate, the lower part of center post is provided with the boss that blocks the lower plate slippage, the upper portion of center post is provided with lock nut, the upper plate passes through the ball and rotates around the axis of center post at the top of lower plate, the top sliding connection of upper plate has the rotor, be provided with guider between rotor and the upper plate, the one end of rotor is provided with the bayonet lock, the lower plate be provided with two with bayonet lock complex draw-in grooves, two draw-in grooves are 180 rotational symmetry about the axis of center post. The utility model provides a prior art bearing capacity little, life is short, and the stationarity is poor, problem that production efficiency is low.

Description

Improvement type slip rotary disk

Technical Field

The utility model relates to a house field of making, in particular to improvement type slip rotary disk.

Background

In the prior publication CN215126392U, a first plane bearing is arranged between a fixed block and a rotating plate on a slide rail. However, due to the limitation of the overall dimension of the fixed block on the slide rail, the specification of the first plane bearing is also limited, only the first plane bearing with a small specification can be selected, the bearing capacity of the plane bearing with a small specification is small, the bearing capacity of the plane bearing with a small specification is difficult to bear the gravity of a chair seat and a human body for a long time, the service life is short, the bearing area of the plane bearing with a small specification is small, the rotary plate with a relatively large size on the upper side is easy to deflect, and the stability is poor. In addition, when the sliding rotating disk is assembled, the assembly is excessively concentrated on one station, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing capacity is big, long service life, and the stationarity is good, improvement type slip rotary disk that production efficiency is high.

In order to achieve the above object, the utility model discloses an improvement type sliding rotation disk adopts's technical scheme is:

the utility model provides an improvement type slip rotary disk, including upper plate and lower plate, the upper ring channel has been seted up to the upper plate, the lower annular groove has been seted up to the lower plate, on, be provided with a plurality of ball between the lower annular groove, on, the center department of lower annular groove is provided with and runs through the upper and lower, the center post of lower plate, the lower part of center post is provided with the boss that blocks the lower plate slippage, the upper portion of center post is provided with lock nut, the upper plate passes through the ball and rotates around the axis of center post at the top of lower plate, the top sliding connection of upper plate has the runner, be provided with guider between runner and the upper plate, the one end of runner is provided with the bayonet lock, the lower plate be provided with two with bayonet lock complex draw-in grooves, two draw-in grooves are 180 rotational symmetry about the axis of center post.

Preferably, the guide device comprises a guide base fixedly connected with the lower bottom plate, the guide base is provided with a plurality of linear bearings, the linear bearings are parallel to the sliding direction of the bayonet lock in the clamping groove, and guide pillars arranged on the rotating plate are inserted into the linear bearings.

Preferably, the guide seat is provided with a clamp spring for fixing the linear bearing.

Preferably, the guide seat is made of a high polymer material.

Preferably, a tension spring is arranged between the rotating plate and the upper bottom plate.

Preferably, the lower part of the bayonet lock is sleeved with a bearing rolling on the side wall of the edge of the lower bottom plate.

Preferably, one side of the central column close to the boss is provided with a rotation stopping square platform, and the lower bottom plate is provided with a square hole matched with the rotation stopping square platform.

Compared with the prior art, the utility model, have following advantage:

1. the ball is added between the upper and lower bottom plates to form a self-made plane bearing with larger size, and the self-made plane bearing has large bearing capacity, long service life and good stability.

2. The assembly of the self-made plane bearing, the assembly and the final assembly of the linear bearing can be divided into a plurality of stations, the assembly difficulty is reduced, and the production efficiency is improved.

3. The guide seat for supporting the linear bearing is made of high polymer materials, the linear bearing can be lightly tapped into the guide seat during assembly, the fit is tight, and abnormal sound cannot occur due to looseness.

4. The lower part of the bayonet lock is sleeved with a bearing, and the bearing rolls along the side wall of the edge of the lower bottom plate, so that the rotating plate rotates more smoothly.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A sectional view A-A of FIG. 2;

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

FIG. 5 is a schematic view of the structure of the rotating plate;

FIG. 6 is a schematic view of the structure of the guide;

fig. 7 is a schematic structural view of the upper plate.

The device comprises an upper base plate 1, an upper annular groove 11, a first flanging 12, a first hook 13, a lower base plate 2, a lower annular groove 21, a square hole 22, a clamping groove 23, a ball 3, a central column 4, a boss 41, a locking nut 42, a supporting washer 43, a rotation stopping square table 44, a rotating plate 5, a clamping pin 51, a bearing 52, a second flanging 53, a limiting clamping pin 531, a second hook 54, a guide device 6, a guide seat 61, a linear bearing 62, a clamping spring 63, a guide pillar 64, a limiting step 641 and a tension spring 7.

Detailed Description

The present invention will be further explained with reference to the attached drawings and detailed description, which should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, and after reading the present invention, the modifications of the various equivalent forms of the present invention by those skilled in the art will fall within the scope defined by the appended claims of the present application.

As shown in figures 1-7, an improved sliding rotary disk comprises an upper base plate 1 and a lower base plate 2, wherein the upper base plate is provided with an upper annular groove 11, the lower base plate is provided with a lower annular groove 21, a plurality of balls 3 are arranged between the upper and lower annular grooves, the diameter of each ball is 10mm, central columns 4 penetrating through the upper and lower base plates are arranged at the centers of the upper and lower annular grooves, bosses 41 blocking the lower base plate from slipping are integrally formed at the lower parts of the central columns, locking nuts 42 are in threaded connection with the upper parts of the central columns, the locking nuts and the bosses are matched to drive the inner walls of the upper and lower annular grooves to be attached with the balls, supporting washers 43 sleeved outside the central columns are arranged between the upper and lower base plates, the supporting washers avoid over-tight extrusion of the locking nuts and lead to the deformation of the upper and lower base plates, the upper base plate rotates around the axis of the lower base plate through the balls, the central columns are adjacent to one side of the bosses, and integrally formed with rotation stopping square platforms 44, the lower base plate is provided with a square hole 22 which is matched with a rotation stopping square platform to prevent a central column from rotating with the lower base plate, the top of the upper base plate is connected with a rotating plate 5 in a sliding way, the left end of the rotating plate is provided with a bayonet 51, the lower part of the bayonet is sleeved on a bearing 52 rolling on the side wall of the edge of the lower base plate, the rotating smoothness of the rotating plate can be improved, the lower base plate is provided with two clamping grooves 23 matched with the bearing, the two clamping grooves are in 180-degree rotational symmetry relative to the axis of the central column, a guide device 6 is arranged between the rotating plate and the upper base plate and comprises a guide seat 61, the upper base plate is bent to form a first flanging 12 for fixedly connecting the guide seat, the guide seat is made of high polymer material, the specific material is polyformaldehyde, the guide seat penetrates through two linear bearings 62, the linear bearings can be lightly tapped into the guide seat during assembly, the matching is tight, abnormal sound can not be generated due to looseness, two ends of the linear bearings are provided with clamp springs 63 fixedly connected with the guide seat, the clamp spring limits the linear bearing to move along the axis of the linear bearing, the axis of the linear bearing is parallel to the moving direction of the clamp pin in the clamp groove, a guide pillar 64 is inserted into the linear bearing, second flanges 53 for installing the guide pillar are bent from the left side and the right side of the rotating plate, a limiting step 641 matched with the second flanges on the right side is formed in the guide pillar, a limiting clamp foot 531 is bent from the second flanges on the left side, after the guide pillar penetrates through the second flanges on the left side and the right side, the limiting clamp foot is knocked flat and abutted to the left end face of the guide pillar, so that the guide pillar is fixed on the second flanges on the two sides, a first hook 13 is bent from the right side of the first flanges, a second hook 54 corresponding to the first hook is bent from the left end of the rotating plate, a tension spring 7 is installed between the second hook and the first hook, the clamp pin is limited in the clamp groove by the tension spring, and the limit stability is guaranteed.

The utility model discloses a concrete working process and principle: the rotating plate is pushed to the left side, the guide pillar slides to the left side in the linear bearing, the clamping pin and the bearing are separated from the clamping groove area on the left side, the rotating plate can be rotated, under the action of the tension spring, the bearing rolls to the clamping groove on the right side along the side wall of the edge of the lower bottom plate, and the tension spring automatically pulls the clamping pin into the clamping groove on the right side and keeps a clamping state.

Claims

1. An improvement type slip rotary disk which characterized in that: including upper plate and lower plate, the upper ring groove has been seted up to the upper plate, the lower annular groove has been seted up to the lower plate, on, be provided with a plurality of ball between the lower annular groove, on, the center department of lower annular groove is provided with and runs through on, the center post of lower plate, the lower part of center post is provided with the boss that blocks the lower plate slippage, the upper portion of center post is provided with lock nut, the upper plate passes through the ball and rotates around the axis of center post at the top of lower plate, the top sliding connection of upper plate has the rotor plate, be provided with guider between rotor plate and the upper plate, the one end of rotor plate is provided with the bayonet lock, the lower plate is provided with two and bayonet lock complex draw-in grooves, two draw-in grooves are 180 rotational symmetry about the axis of center post.

2. An improved sliding rotation disc according to claim 1, wherein: the guide device comprises a guide base fixedly connected with the lower bottom plate, the guide base is provided with a plurality of linear bearings, the linear bearings are parallel to the sliding direction of the bayonet lock in the clamping groove, and guide pillars arranged on the rotating plate are inserted into the linear bearings.

3. An improved sliding rotation disc according to claim 2, wherein: the guide holder is provided with a clamp spring for fixing the linear bearing.

4. An improved sliding rotary disk according to claim 3, characterized in that: the guide seat is made of high polymer materials.

5. An improved sliding rotation disc according to claim 2, wherein: and a tension spring is arranged between the rotating plate and the upper bottom plate.

6. An improved sliding rotation disc according to claim 1, wherein: and the lower part of the clamping pin is sleeved with a bearing rolling on the side wall of the edge of the lower bottom plate.

7. An improved sliding rotation disc according to claim 1, wherein: the center post is provided with the side next to the boss and splines the square platform, and the lower plate is seted up with the square hole of the square platform complex that splines.