CN112338854A

CN112338854A - An assembly device for a swivel chair

Info

Publication number: CN112338854A
Application number: CN202011078914.1A
Authority: CN
Inventors: 周凯
Original assignee: Zhejiang Kylight Industry Co ltd
Current assignee: Zhejiang Kylight Industry Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-02-09
Anticipated expiration: 2040-10-10
Also published as: CN112338854B

Abstract

The invention discloses an assembly device for a swivel chair in the technical field of swivel chair assembly. There are even moving grooves, the moving grooves run through the outer walls of the upper and lower ends of the fixed plate, a moving block is embedded in the moving groove, a fixed block is fixedly installed at the bottom of the moving block, and a cavity is opened inside the fixed block, and the cavity runs through the left and right sides of the fixed block. The sidewalls at both ends and the bottom of the fixed plate are evenly provided with sliding grooves, a connecting rod is embedded in the cavity, a short column is fixedly installed on the bottom of the connecting rod, and the short column is embedded in the sliding groove. Through the cooperation of the air cylinder, the connecting rod and the moving block, the invention keeps the five-star feet fixed during the assembly process of the claw wheels at the bottom of the swivel chair, which facilitates stable and rapid installation of the claw wheels, and effectively improves the assembly efficiency of the swivel chair.

Description

Assembling device for swivel chair

Technical Field

The invention relates to the technical field of swivel chair assembly, in particular to an assembly device for a swivel chair.

Background

A swivel chair is one of computer chairs and office chairs. Swivel chairs are generally divided into a half swivel chair and a full swivel chair. The half-swivel chair can rotate by 90 degrees at the left and right sides of the front. A full swivel chair refers to a chair that is capable of 360 degree rotation. Generally consists of: the chair comprises a headrest, a back, a chair seat, armrests, a support rod (air rod), a rotating shaft, five-star feet and claw wheels. Therefore, the assembly of the claw wheel is very important in the process of assembling the swivel chair.

The existing swivel chair assembly process is completely carried out manually, the five-star feet at the bottom of the swivel chair are provided with certain cambered surfaces, so that the five-star feet are difficult to fix when claw wheels are assembled at the outer ends of the five-star feet, manual installation and operation are very inconvenient, the assembly process is time-consuming and labor-consuming, the working efficiency of manually assembling the swivel chair is reduced, and enterprises can also reduce certain income.

Based on this, the invention designs an assembling device for a swivel chair to solve the above problems.

Disclosure of Invention

The invention aims to provide an assembling device for a swivel chair, and the assembling device is used for solving the problems that the assembling process of the existing swivel chair in the background technology is completely carried out manually, and a certain cambered surface is arranged on a five-star foot at the bottom of the swivel chair, so that the five-star foot is difficult to fix when a claw wheel is assembled at the outer end of the five-star foot, the manual installation and operation are very inconvenient, the assembling process consumes time and labor, the working efficiency of manually assembling the swivel chair is reduced, and enterprises can also reduce certain benefits.

To achieve the above object, the present invention is provided. The following technical scheme is provided: an assembly device for a swivel chair comprises a workbench, wherein a fixed disc is arranged at the middle point of the top of the workbench, an air cylinder is arranged at the right end of the top of the workbench, supporting rods are uniformly welded at the bottom of the workbench, and universal wheels are uniformly and fixedly arranged at the bottom ends of the supporting rods;

short columns are arranged at the circle center of the fixed disc, moving grooves are uniformly formed in the top of the fixed disc, five groups of moving grooves are arranged in the moving grooves, the moving grooves are distributed in the top of the fixed disc in an annular array shape, the moving grooves penetrate through the outer walls of the upper end and the lower end of the fixed disc, moving blocks are embedded in the moving grooves, fixed blocks are fixedly mounted at the bottom of the moving blocks, cavities are formed in the fixed blocks, the cavities penetrate through the side walls of the left end and the right end of the fixed blocks, sliding grooves are uniformly formed in the bottom of the fixed disc, connecting rods are embedded in the cavities, short columns are fixedly mounted at the bottoms of the connecting rods and embedded in the sliding grooves, rod bodies at the left end and the right end of each connecting rod are symmetrically arranged in a staggered mode, and the outer ends of the rod, the connecting rod is equipped with five groups altogether, the bottom installation be annular array form and distribute and imbed in the sliding tray, adjacent two sets of the both ends of connecting rod are in the overlap joint is placed about the cavity, five groups the connecting rod is in the overlap joint is pentagon form and distributes in the cavity the bottom of fixed disk.

Preferably, the support rods are provided with four groups in total and are distributed at the bottom of the workbench in a rectangular array.

Preferably, the universal wheels are provided with four groups of self-locking devices and are distributed at the bottom ends of the supporting rods in a rectangular array shape.

Preferably, the top of the inner end of the moving block is arc-shaped.

Preferably, the sliding grooves are provided with five groups which are distributed at the bottom of the fixed disc in an annular array shape, and each group of sliding grooves is arranged at the symmetrical axis of two adjacent groups of moving blocks.

Preferably, the side wall of the outer end of the moving block, which is positioned at the right end of the top of the workbench, is hinged with the output end of the cylinder.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the cylinder, the connecting rod and the moving block, the five-star feet are kept fixed in the process of mounting the pawl wheel at the bottom of the swivel chair, so that the pawl wheel is conveniently and stably and rapidly assembled, and the assembly efficiency of the swivel chair is effectively improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a bottom structure view of a fixing plate according to the present invention;

FIG. 2 is a schematic top view of a fixing plate according to the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of a connecting rod structure according to the present invention;

fig. 5 is a schematic sectional view of the moving block according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-workbench, 2-supporting rod, 3-cylinder, 4-fixed disk, 41-short column, 5-sliding groove, 6-connecting rod, 61-short column, 7-moving block, 71-fixed block, 001-cavity, 8-moving groove, 9-five star foot and 10-universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an assembly device for a swivel chair comprises a workbench 1, wherein a fixed disc 4 is arranged at the middle point of the top of the workbench 1, a cylinder 3 is arranged at the right end of the top of the workbench 1, a support rod 2 is uniformly welded at the bottom of the workbench 1, and universal wheels 10 are uniformly and fixedly arranged at the bottom end of the support rod 2;

the center of a circle of the fixed disk 4 is provided with short columns 41, the top of the fixed disk 4 is uniformly provided with moving grooves 8, the moving grooves 8 are provided with five groups, the moving grooves 8 are distributed on the top of the fixed disk 4 in an annular array shape, the moving grooves 8 penetrate through the outer walls of the upper end and the lower end of the fixed disk 4, moving blocks 7 are embedded in the moving grooves 8, fixed blocks 71 are fixedly arranged at the bottom of the moving blocks 7, cavities 001 are formed in the fixed blocks 71, the cavities 001 penetrate through the side walls of the left end and the right end of the fixed blocks 71, sliding grooves 5 are uniformly formed in the bottom of the fixed disk 4, connecting rods 6 are embedded in the cavities 001, short columns 61 are fixedly arranged at the bottom of the connecting rods 6, the short columns 61 are embedded in the sliding grooves 5, rod bodies at the left end and the right end of each connecting rod 6 are, the 61 of 6 bottom installations are the annular array form and distribute and imbed in the sliding tray 5, and the both ends of adjacent two sets of connecting rod 6 overlap joint is placed from top to bottom in cavity 001, and five sets of connecting rod 6 overlap joint is the bottom of pentagon form distribution in fixed disk 4 in cavity 001.

Further, the bracing piece 2 is equipped with four groups altogether, is the rectangular array dress and distributes in the bottom of workstation 1, and the purpose makes workstation 1 more steady.

Furthermore, the universal wheels 10 are provided with four groups of self-locking universal wheels, and are distributed at the bottom ends of the support rods 2 in a rectangular array shape, so that the workbench 1 can move, and the carrying of the workbench 1 is facilitated.

Furthermore, the top of the inner end of the moving block 7 is set to be arc-shaped, so that the moving block can be better abutted with the turning part of the five-star foot 9, and the area of the abutting part is increased.

Further, the sliding grooves 5 are provided with five groups, the five groups are distributed at the bottom of the fixed disc 4 in an annular array shape, and each group of sliding grooves 5 is arranged at the symmetrical axis of two adjacent groups of moving blocks 7, so that the moving blocks 7 can move simultaneously.

Further, the outer end side wall of the moving block 7 located at the right end of the top of the workbench 1 is hinged with the output end of the cylinder 3, and the purpose is to increase the clamping force of the moving block 7 on the five-star foot 9.

One specific application of this embodiment is: the bottom part of the swivel chair is provided with five-star legs 9 which are overturned and inverted, a circular hole at the midpoint of the five-star legs 9 is aligned with a short column 41 arranged at the top of a fixed disc 4 and then slowly placed, the turning parts of the five-star legs 9 are aligned with a moving block 7, the moving block 7 is pushed towards the inner end by an air cylinder 3, the moving block 7 is stressed to move towards the inner end, connecting rods 6 are embedded into a fixed block 71 arranged at the bottom of the moving block 7, because two adjacent groups of connecting rods 6 are lapped in a cavity 001, the moving block 7 moves inwards, the short column 61 moves inwards along with the moving block 7 in a sliding groove 5, two ends of the two adjacent groups of connecting rods 6 stretch and slide in the cavity 001, the moving block 7 is driven to move towards the inner end, when the arc at the top of the moving block 7 is abutted against the turning parts of the five-star legs 9, the moving block 7 cannot move forwards, namely the five, after the claw wheels are installed, the cylinder 3 is contracted, so that the moving block 7 is stressed to move towards the outer end, the short column 61 is driven to move towards the outer end in the sliding groove 5, pentagons formed by overlapping of five groups of connecting rods 6 are enlarged when the moving block 7 moves towards the outer end, the locking relation between the moving block 7 and the five-star feet 9 is removed, and the assembly of the claw wheels at the bottom of the wheelchair is completed by lifting the five-star feet 9 upwards.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations. In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An assembly device for a swivel chair, comprising a workbench (1), characterized in that: a fixed plate (4) is installed at the top midpoint of the workbench (1), and the top of the workbench (1) is A cylinder (3) is installed at the right end of the workbench (1), a support rod (2) is uniformly welded on the bottom of the worktable (1), and a universal wheel (10) is evenly fixed and fixed at the bottom end of the support rod (2);

A short column (41) is arranged at the center of the fixed plate (4), and moving grooves (8) are evenly opened on the top of the fixed plate (4). There are five groups of the moving grooves (8), so The moving grooves (8) are distributed on the top of the fixed disk (4) in an annular array, the moving grooves (8) penetrate the outer walls of the upper and lower ends of the fixed disk (4), and the moving grooves (8) A moving block (7) is embedded, a fixed block (71) is fixedly installed at the bottom of the moving block (7), a cavity (001) is opened inside the fixed block (71), and the cavity (001) Passing through the side walls of the left and right ends of the fixing block (71), the bottom of the fixing plate (4) is evenly provided with a sliding groove (5), and a connecting rod (6) is embedded in the cavity (001), so The bottom of the connecting rod (6) is fixedly installed with a short column (61), the short column (61) is embedded in the sliding groove (5), and the rod bodies at the left and right ends of the connecting rod (6) are symmetrically dislocated, so The outer ends of the rods at the left and right ends of the connecting rod (6) are respectively embedded in the cavities (001) opened by the two adjacent groups of the fixing blocks (71). There are five groups of the connecting rods (6), so The (61) installed at the bottom of the (6) are distributed in an annular array and embedded in the sliding groove (5), and the two ends of the adjacent two groups of the connecting rods (6) are in the cavity (001) The middle and upper parts are overlapped and placed, and five sets of the connecting rods (6) are overlapped in the cavity (001) and distributed on the bottom of the fixed plate (4) in a pentagonal shape.

2 . The one according to claim 1 , wherein the support rods ( 2 ) are provided with four groups in total, which are arranged in a rectangular array and distributed on the bottom of the workbench ( 1 ). 3 .

3. The one according to claim 1, characterized in that: the universal wheel (10) is a universal wheel with a self-locking device, and four groups are arranged in total, which are distributed on the support in a rectangular array. Bottom end of rod (2).

4. The one according to claim 1, characterized in that: the top of the inner end of the moving block (7) is set in an arc shape.

5. The one according to claim 1, characterized in that: the sliding grooves (5) are provided with five groups in total, which are distributed on the bottom of the fixing plate (4) in an annular array, and each group of the sliding grooves (5) The grooves (5) are arranged at the symmetrical axes of the adjacent two groups of the moving blocks (7).

6. The one according to claim 1, characterized in that: the outer side wall of the moving block (7) located at the right end of the top of the workbench (1) is hinged with the output end of the cylinder (3) .