Chair rotating support

Abstract

The utility model relates to the technical field of chairs, in particular to a chair rotating support. The chair rotating support mainly solves the problems that due to the fact that a common chair rotating support utilizes bearings to assist rotation, grinding and chipping are prone to being generated under the long-term rotation effect, the rotation flexibility is reduced, most bearings are connected to a rotating shaft in a sleeving mode, the bearings are inconvenient to replace after being damaged, and follow-up use is affected. According to the technical scheme, the device comprises a seat and a handle, a base is arranged below the seat, universal wheels are installed on the wall body of the bottom of the base, a pneumatic telescopic structure is installed on the wall body of the top of the base, and a supplementing set is arranged in the output end of the pneumatic telescopic structure. The bearing can be replaced conveniently, lubricating oil can be supplemented to the bearing conveniently, rotation abrasion is reduced, and follow-up use is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field especially relates to a chair rotating support. BACKGROUND

[0002] Chair as one of necessities of life, everywhere in daily life, the child provides a place to sit down, let people can get rest after long time standing or walking, reduce the pressure of foot and waist. With the development and innovation of science and technology, the chair leg structure and the connection of the riding structure can rotate, under the flexibility of rotation, provide many conveniences for people, with the development and innovation of science and technology, the chair leg structure and the connection of the riding structure can rotate, under the flexibility of rotation, provide many conveniences for people. The rotating support of chair usually adopts pneumatic telescopic structure and base and can adjust the riding height of chair by the connection with the riding structure and complete rotation under the assistance of bearing in the connection.

[0003] But the common chair rotating support is assisted to rotate by bearing, so that it is easy to produce grinding and debris under the long-term rotation, reduces the rotation flexibility, and most bearing sleeves are connected on the rotating shaft, so that the bearing is not convenient to replace after being damaged, and subsequent use is affected, in view of this, we provide a chair rotating support. UTILITY MODEL CONTENTS

[0004] The utility model aims at the problems in the background art and provides a chair rotating support.

[0005] The utility model discloses a chair rotating support, including seat and handle, the lower part of seat is equipped with base, the bottom wall body of base is installed with universal wheel, the top wall body of base is equipped with pneumatic telescopic structure, the output end of pneumatic telescopic structure is arranged with supplementary assembly, the supplementary assembly includes movable plate, the bottom wall body of movable plate is connected with first spring, the outer surface wall body of movable plate is provided with first sliding block, the above of first sliding block places the bearing, the center of bearing inserts the plug rod, the outer surface wall body of plug rod is provided with third sliding block, the bottom wall body of seat is installed with sealing sleeve, the lower part of sealing sleeve is arranged with locking assembly, the bottom wall body of sealing sleeve is also installed with second magnetic attraction ring.

[0006] Preferably, the top wall body of the base is connected with a reinforcing rib, and the vertical faces of the plurality of reinforcing ribs are fixedly connected with the outer surface wall body of the pneumatic telescopic structure.

[0007] Preferably, the output end of the pneumatic telescopic structure has a movable cavity, the supplementary component and the bearing are both disposed in the movable cavity, the top wall of the movable cavity has a first slot, the outer surface wall of the bearing is connected to a second slider, and multiple second sliders are respectively embedded in the first slots corresponding to their positions.

[0008] Preferably, the bottom end of the first spring is connected to the bottom wall of the movable cavity, and a guide groove is provided on the inner wall of the movable cavity, and the plurality of first sliders are respectively inserted into the guide grooves corresponding to their positions.

[0009] Preferably, a second slot is provided on the top wall of the bearing, and the plurality of third sliders are respectively embedded in the second slots corresponding to their positions.

[0010] Preferably, the locking assembly includes a second spring, one end of which is connected to a first anti-disengagement rod, a second anti-disengagement rod is inserted into the first anti-disengagement rod, and a first magnetic ring is sleeved on the outer surface wall of the second anti-disengagement rod.

[0011] Preferably, the sealing sleeve has symmetrically formed movable cavities, the second anti-detachment rod is T-shaped, and the anti-detachment end of the second anti-detachment rod is set into the movable cavity corresponding to the position.

[0012] Compared with the prior art, the present invention has the following beneficial technical effects:

[0013] This utility model uses a bearing, a rod installed at the bottom of the seat, and a third slider to assist the seat in rotating. At the same time, the elastic release of the first spring helps to push the lubricating oil placed in the movable end of the pneumatic telescopic structure upward and evenly apply it to the rotating structure of the bearing, reducing wear caused by rotation. Furthermore, pulling the first anti-slip rod releases the restriction on the second spring, making it easy to disassemble the seat and replace the bearing to prevent it from affecting rotation during subsequent use. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a chair rotating support;

[0015] Figure 2 yes Figure 1 A schematic diagram of the right-side cross-sectional structure;

[0016] Figure 3 yes Figure 1 A three-dimensional structural diagram of the central base and the aerodynamic telescopic structure;

[0017] Figure 4 yes Figure 1 A schematic diagram of the bottom structure of the middle seat;

[0018] Figure 5 yesFigure 2 The perspective view of the sealing sleeve and the locking assembly.

[0019] Fig. 1 is a chair; 2 is a base; 3 is a universal wheel; 4 is a pneumatic telescopic structure; 5 is a supplementary assembly; 51 is a movable plate; 52 is a first spring; 53 is a first sliding block; 6 is a bearing; 61 is a second sliding block; 7 is a plug rod; 8 is a sealing sleeve; 9 is a locking assembly; 91 is a second spring; 92 is a first anti-dropping rod; 93 is a second anti-dropping rod; 94 is a first magnetic ring; 10 is a third sliding block; 11 is a second magnetic ring; 12 is a handle; 13 is a reinforcing rib. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0021] EMBODIMENT

[0022] As Figures 1 to 5 shown in the utility model discloses a chair rotating support, including seat 1, two handles 12 symmetry is installed on the seat 1's seat surface, base 2 is located below seat 1 place, multiple universal wheel 3 is installed on the bottom wall of base 2, and the seat 1 is supported while being favorable to the auxiliary base 2 and seat 1 move, convenient for its position shift;Pneumatic telescopic structure 4 is fixedly installed on the top wall of base 2, multiple fixedly installed on the top wall of base 2 on the vertical surface of reinforcing rib 13 and the outer surface wall of pneumatic telescopic structure 4 fixed connection, be favorable to the position of pneumatic telescopic structure 4 is consolidated;Plug rod 7 is fixedly installed on the bottom wall of seat 1, and the third sliding block 10 distributed on the outer surface wall of plug rod 7 is embedded in the second clamping groove in the top wall of bearing 6, and bearing 6 is arranged in the movable cavity in the output end of pneumatic telescopic structure 4, using the third sliding block 10 and the second clamping groove in the top wall of bearing 6, can assist seat 1 to rotate adjustment, the second clamping groove is located in the top of the inner ring structure of bearing 6, to prevent the normal use of bearing 6 is affected;Multiple second sliding blocks 61 distributed on the outer surface wall of bearing 6 are embedded in the first clamping groove in the top of the output end of pneumatic telescopic structure 4, are favorable to subsequent bearing 6 is disassembled and replaced, to prevent bearing 6 is seriously affected after wearing and tearing auxiliary seat 1 rotates.

[0023] Further, the supplementary assembly 5 is arranged in the movable cavity opened at the output end of the pneumatic telescopic structure 4, and the supplementary assembly 5 comprises a movable plate 51, a first spring 52 and a first sliding block 53. The first spring 52 is arranged below the movable plate 51, the bottom end of the first spring 52 is connected with the bottom cavity wall of the movable cavity, the top end of the first spring 52 is connected with the bottom wall of the movable plate 51, the movable plate 51 is below the bearing 6, the bottom end of the insertion rod 7 is inserted into the center of the bearing 6 for plugging the center of the bearing 6, and the upper side of the movable plate 51 can be placed with lubricating oil, which is beneficial to supplementing the lubricating oil for the rotating part of the bearing 6 under the elastic release of the first spring 52, improving the rotating effect of the bearing 6 and reducing the abrasion.

[0024] Further, the sealing sleeve 8 is fixedly installed on the bottom wall of the seat 1, and two groups of locking assemblies 9 are symmetrically arranged at the bottom of the sealing sleeve 8. The locking assembly 9 comprises a second spring 91, a first anti-dropping rod 92, a second anti-dropping rod 93 and a first magnetic ring 94. One end of the second spring 91 is connected with the anti-dropping structure of the first anti-dropping rod 92, and the other end of the second spring 91 is connected with the outer wall of the sealing sleeve 8 for assisting the movement of the first anti-dropping rod 92. The output end outer wall of the pneumatic telescopic structure 4 is symmetrically provided with a positioning groove, and the vertical structure of the sealing sleeve 8 is symmetrically provided with a positioning hole. The first anti-dropping rod 92 penetrates through the positioning hole and is inserted into the positioning groove under the elastic action of the second spring 91, so as to position the seat 1 by the sealing sleeve 8. The second anti-dropping rod 93 and the first anti-dropping rod 92 are both T-shaped, the anti-dropping structure of the second anti-dropping rod 93 is arranged in the moving cavity opened in the sealing sleeve 8, and the diameter of the anti-dropping structure of the second anti-dropping rod 93 is greater than the opening diameter of the moving cavity, so as to prevent the second anti-dropping rod 93 from being separated from the sealing sleeve 8 and affecting the subsequent use. The outer surface wall of the first anti-dropping rod 92 is provided with a locking groove, and the bottom end of the second anti-dropping rod 93 is inserted into the locking groove for locking the position of the first anti-dropping rod 92 and improving the stability during the positioning process. Two second magnetic rings 11 are symmetrically installed on the bottom wall of the sealing sleeve 8, the first magnetic ring 94 is sleeved on the outer surface wall of the second anti-dropping rod 93 and is magnetically attracted to the second magnetic ring 11, so that the position of the second anti-dropping rod 93 can be locked by the cooperation of the second magnetic ring 11 and the first magnetic ring 94 after the second anti-dropping rod 93 is lifted, which is beneficial to the subsequent disassembly operation.

[0025] In the embodiment, the movable plate 51 is filled with lubricating oil, so that the bearing 6 can supplement the lubricating oil when rotating with the insertion rod 7 and the third sliding block 10 to assist the seat 1 to rotate, the flexibility during rotation is improved, the risk of affecting use due to wear is reduced, when the bearing 6 is damaged, the second anti-falling rod 93 is pulled to rise, the second magnetic ring 11 and the first magnetic ring 94 are used to complete positioning, the first anti-falling rod 92 is pulled to be separated from the positioning groove, the connection relationship between the sealing sleeve 8 and the output end of the pneumatic telescopic structure 4 is released, so that the seat 1 is conveniently taken off from the telescopic end of the pneumatic telescopic structure 4, the bearing 6 is exposed, the damaged bearing 6 can be directly taken off for replacement, and the movable plate 51 can be pressed to supplement the lubricating oil above the movable plate 51, and the bearing 6 is beneficial to subsequent rotation with the insertion rod 7 and the third sliding block 10 to assist the seat 1 to rotate.

[0026] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A swivel mount for a chair comprising a seat (1) and a handle (12), characterized in that: The seat (1) is provided below the base (2), the bottom wall of the base (2) is provided with universal wheels (3), the top wall of the base (2) is provided with a pneumatic telescopic structure (4), the output end of the pneumatic telescopic structure (4) is provided with a supplementary assembly (5), the supplementary assembly (5) comprises a movable plate (51), the bottom wall of the movable plate (51) is connected with a first spring (52), the outer surface wall of the movable plate (51) is provided with a first sliding block (53), the upper portion of the first sliding block (53) is provided with a bearing (6), the center of the bearing (6) is inserted with a plug rod (7), the outer surface wall of the plug rod (7) is provided with a third sliding block (10), the bottom wall of the seat (1) is provided with a sealing sleeve (8), the lower portion of the sealing sleeve (8) is symmetrically provided with a locking assembly (9), and the bottom wall of the sealing sleeve (8) is also symmetrically provided with a second magnetic ring (11).

2. A chair swivel mount according to claim 1, wherein The top wall of the base (2) is connected with a reinforcing rib (13), and the vertical faces of a plurality of reinforcing ribs (13) are fixedly connected with the outer surface wall of the pneumatic telescopic structure (4).

3. The chair swivel mount of claim 1, wherein: The output end of the pneumatic telescopic structure (4) is provided with a movable cavity, and the supplementary assembly (5) and the bearing (6) are arranged in the movable cavity.

4. A chair swivel mount according to claim 3, wherein, The bottom end of the first spring (52) is connected with the bottom cavity wall of the movable cavity, and the inner wall of the movable cavity is provided with a guide groove, and a plurality of first sliding blocks (53) are respectively inserted into the position corresponding guide grooves.

5. The chair swivel mount of claim 1, wherein, The top wall of the bearing (6) is provided with a second clamping groove, and a plurality of third sliding blocks (10) are respectively embedded in the position corresponding second clamping grooves.

6. The chair swivel mount of claim 1, wherein, The locking assembly (9) comprises a second spring (91), one end of the second spring (91) is connected with a first anti-dropping rod (92), the first anti-dropping rod (92) is inserted with a second anti-dropping rod (93), and the outer surface wall of the second anti-dropping rod (93) is sleeved with a first magnetic ring (94).

7. A chair swivel mount according to claim 6, wherein, The sealing sleeve (8) is symmetrically provided with a moving cavity, the second anti-dropping rod (93) is T-shaped, and the anti-dropping end of the second anti-dropping rod (93) is arranged in the position corresponding moving cavity.

Images