CN220256083U - Armrest structure of office chair - Google Patents

Abstract

The utility model discloses an armrest structure of an office chair, which comprises a support base and armrests, wherein armrests are arranged on two sides of the support base and are formed by support pieces and rotating pieces, the support pieces are integrally arranged on the support base, the support pieces are movably connected with the rotating pieces through rotating shafts, and the end parts of the rotating pieces are connected with a support plate through swinging pieces: according to the requirements of different users, the armrests can be adjusted back and forth so as to adapt to different working requirements.

Description

Armrest structure of office chair

Technical Field

The utility model belongs to the field of office daily necessities, and particularly relates to an armrest structure of an adjustable office chair.

Background

The office chair is an office product which can be frequently used by people in the office process, the comfort level of the office chair can influence the office efficiency of staff, the existing office chair is basically composed of a chair surface, a backrest and chair legs, the simplest office chair can only play the most basic role of sitting by the people, armrests can be added on two sides of the chair surface on the office chair, the office chair is provided with the armrests, the two hands can be put on the armrests for rest, the armrests on the conventional chair are of fixed structures, the adjustment cannot be carried out during use, and the chair is limited in many ways and inconvenient to use.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an armrest structure of an office chair which is simple in structure and convenient to adjust.

In order to solve the prior art problems, the utility model adopts the following scheme: the utility model provides an armrest structure of office chair, includes support base, handrail, the handrail is installed to support base both sides, and the handrail comprises support piece and rotation piece, and wherein support piece an organic whole sets up on support base, is connected through the pivot activity between support piece and the rotation piece, and rotation piece tip is connected with the backup pad through the swinging member.

Preferably, the swinging piece is internally provided with a pushing block, the end part of the pushing block is propped against the swinging piece, two supporting legs at the end part of the swinging piece are respectively propped against two sides of the sliding block, the back surface of the sliding block is in arc-shaped arrangement, the back surface of the sliding block is provided with a sliding groove, the sliding groove is clamped with a rack at the end part of the lifting block, the bottom of the lifting block is provided with a step groove, and the step groove is clamped on a clamping groove in the inner cavity of the supporting piece.

Preferably, the pushing block drives the sliding groove on the swinging piece driving sliding block to swing along the rack on the lifting block.

According to the armrest structure of the office chair, which is provided by the technical scheme, two hands are placed on the supporting plate, the swinging piece is driven to swing back and forth through the pushing block, the support legs on the swinging piece can drive the sliding block to slide up and down along with the racks on the lifting block, and the lifting block can slide in the inner cavity of the supporting piece, so that the back and forth swinging of the supporting plate is realized.

Drawings

Figure 1 is a schematic view of the structure of the present utility model,

fig. 2 is a partial schematic view of the present utility model.

In the figure, a supporting base 1, an armrest 2, a supporting member 3, a rotating member 4, a swinging member 5, a supporting plate 6, a push block 7, a swinging piece 8, a supporting leg 9, a sliding block 10, a sliding chute 11, a lifting block 12, a rack 13, a step groove 14 and a clamping groove 15 are arranged.

Detailed Description

As shown in fig. 1 and 2, an armrest structure of an office chair comprises a supporting base 1 and armrests 2, wherein the armrests 2 are installed on two sides of the supporting base 1, the armrests 2 are formed by a supporting piece 3 and a rotating piece 4, the supporting piece 3 and the rotating piece 4 are integrally arranged on the supporting base 1 and movably connected through a rotating shaft, the end part of the rotating piece 4 is connected with a supporting plate 6 through a swinging piece 5, a pushing block 7 is arranged in the swinging piece 5, the end part of the pushing block 7 abuts against a swinging piece 8, two supporting legs 9 at the end part of the swinging piece 8 abut against two sides of a sliding block 10 respectively, the back of the sliding block 10 is arc-shaped, sliding grooves 11 are distributed on the back of the sliding block 10, the sliding grooves 11 are clamped with racks 13 at the end part of the lifting piece 12, step grooves 14 are clamped on clamping grooves 15 in the inner cavity of the supporting piece 3, and the pushing block 7 drives the sliding grooves 11 on the swinging piece 8 to drive the sliding blocks 10 to swing along the racks 13 on the lifting piece 12.

During actual working, hands can be placed on the supporting plate 6, the lower supporting plate 6 is moved back and forth, the swinging plate 8 can be driven to move downwards through the pushing block 7, the end part of the swinging plate 8 is propped against the sliding block 10 through the supporting legs 9, the sliding chute 11 on the sliding block 10 can be carried along the rack 13 on the lifting block 12 to correspondingly lift in the moving process of the swinging plate 8, the step groove 14 on the lifting block 12 can be regulated along the clamping groove 15, the uppermost supporting plate 6 can swing back and forth with amplitude, and the position of the handrail 2 can be regulated according to different requirements, so that the use is more convenient.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (3)

1. The utility model provides an armrest structure of office chair, includes support base (1), handrail (2), its characterized in that: the support base (1) both sides install handrail (2), and handrail (2) comprise support piece (3) and rotating piece (4), and wherein support piece (3) an organic whole sets up on support base (1), is connected through the pivot activity between support piece (3) and the rotating piece (4), and rotating piece (4) tip is connected with backup pad (6) through swinging member (5).

2. An armrest structure for an office chair according to claim 1, wherein: the swing piece (5) is internally provided with a push block (7), the end part of the push block (7) is propped against the swing piece (8), two supporting legs (9) at the end part of the swing piece (8) are respectively propped against two sides of the sliding block (10), the back of the sliding block (10) is in an arc shape, the back of the sliding block is provided with a sliding groove (11), the sliding groove (11) is clamped with a rack (13) at the end part of the lifting block (12), the bottom of the lifting block (12) is provided with a step groove (14), and the step groove (14) is clamped on a clamping groove (15) in the inner cavity of the supporting piece (3).

3. An armrest structure for office chairs according to claim 2, wherein: the pushing block (7) drives the swinging piece (8) to drive the sliding groove (11) on the sliding block (10) to swing along the rack (13) on the lifting block (12).