CN205030826U

CN205030826U - Adjustable folding swivel chair of back of chair

Info

Publication number: CN205030826U
Application number: CN201520698400.4U
Authority: CN
Inventors: 向梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-09-10
Filing date: 2015-09-10
Publication date: 2016-02-17
Anticipated expiration: 2025-09-10

Abstract

The utility model discloses an adjustable folding swivel chair of back of chair, including the back of the chair, seat support, gas pole, base and pulley, the seat support passes through the rotation of gas pole and sets up on the base, the back of the chair passes through hinge connection with the seat support, under the back of the chair on the terminal surface shaping have the square hole, plug bush slide bar in the square hole, still be equipped with the bolt that compresses tightly the slide bar on the back of the chair, the utility model discloses compact structure saves space, and the transport is convenient, can provide according to the occasion needs moreover and take the back of the chair and handrail and do not take the back of the chair and two kinds of patterns on the handrail, and inclination that can also the manual regulation back of the chair satisfies everyone requirement to the comfort level.

Description

A kind of chair back adjustable folding swivel chair

technical field:

The utility model relates to Folding swivel chair field, specifically a kind of chair back adjustable folding swivel chair.

background technology:

Swivel chair can often be used in daily household or working environment, the general volume of existing chair is all larger, relatively take the interior space, in different occasions, people are also different to the demand of chair, sometimes the chair of the chair back and handrail is needed, but sometimes only need the chair with seat support, the places such as such as bar desk, existing chair pattern is relatively more fixing to be with the chair back and handrail or all not to have, so lack now a kind of Suresh Kumar and the swivel chair that can not take up room, the angle that after also having current Folding swivel chair to launch, the chair back and seat support are formed is all fixing, cannot regulate so the requirement of majority to comfortableness can not be met.

utility model content:

The purpose of this utility model is exactly to solve existing issue, and provides a kind of chair back adjustable folding swivel chair.

Technology solution of the present utility model is as follows:

A kind of chair back adjustable folding swivel chair, comprise the chair back, seat support, gas bar, base and pulley, seat support is rotated by gas bar and is arranged on base, the described chair back and seat support pass through gemel connection, described chair back lower surface forms square hole, sleeve slide bar in described square hole, the described chair back is also provided with the bolt compressing slide bar, described seat support comprises the housing of rectangle, described housing exterior walls forms the multiple slots coordinated with slide bar, in described housing, floating connection has seat board, and described seat board bilateral symmetry is provided with folding handrail.

As preferably, be connected with multiple spring between described seat board bottom surface and housing inner bottom surface, described number of springs is 4 ~ 5 and is distributed in four right angle of housing cavity bottom surface.

As preferably, described handrail comprises gripper shoe and plate of giving a hand, described gripper shoe by hinge can inside 90 ° be rotationally connected with on seat board, described in give a hand plate by hinge can downward 90 ° be rotationally connected with gripper shoe lateral surface.

As preferably, described slot vertically arranges and cross section is triangle.

As preferably, described bolt is provided with swing handle.

The beneficial effects of the utility model are: compact conformation, save space, convenient in carrying, and can need provide the band chair back and handrail and be not with the chair back and handrail two kinds of patterns according to occasion, the angle of inclination of the manual adjustments chair back can also meet everyone requirement to comfort level.

accompanying drawing illustrates:

Fig. 1 is perspective view of the present utility model;

Fig. 2 of the present utility modelly partly cuts open schematic diagram;

Fig. 3 is the close-up schematic view at Fig. 2 C place;

In accompanying drawing: 1, the chair back; 2, seat support; 3, gas bar; 4, base; 5, pulley; 6, gripper shoe; 7, to give a hand plate; 8, slide bar; 9, slot; 10, swing handle; 21, housing; 22, seat board.

detailed description of the invention:

As Figure 1-3, chair back adjustable folding swivel chair, comprise the chair back 1, seat support 2, gas bar 3, base 4 and pulley 5, seat support 2 is rotated by gas bar 4 and is arranged on base 4, the described chair back 1 passes through gemel connection with seat support 2, the described chair back 1 lower surface forms square hole, sleeve slide bar 8 in described square hole, the described chair back 1 is also provided with the bolt compressing slide bar 8, described seat support 2 comprises the housing 21 of rectangle, described housing 21 outer wall forms the multiple slots 9 coordinated with slide bar 8, described slot 9 cross section is triangle, in described housing 21, floating connection has seat board 22, described seat board 22 bilateral symmetry is provided with folding handrail.

Particularly, multiple spring is connected with between described seat board 22 bottom surface and housing 21 inner bottom surface, described number of springs is 4 ~ 5 and is distributed in four right angle of housing 21 inner chamber bottom surface, utilize the characteristic of spring, not only achieve handrail folding after to be covered by the chair back 1 and be positioned in housing 21, and add the elasticity of seat support 2, improve comfortableness.

Particularly, described handrail comprises gripper shoe 6 and plate 7 of giving a hand, described gripper shoe 6 by hinge can inside 90 ° be rotationally connected with on seat board 22, described give a hand plate 7 by hinge can downward 90 ° be rotationally connected with gripper shoe 6 lateral surface, this arranges and can ensure that handrail is not the used time can fold, and can convert the swivel chair pattern not with the chair back 1 and handrail to

Particularly, described slot 9 vertically arranges and cross section is triangle, and this is arranged so that slide bar 8 is maximum with the contact area of housing 21, improves the stability supported.

Particularly, described bolt is provided with swing handle 10, can need not by instrument after regulating the angle that the chair back 1 tilts, directly just can fixed slip bar 8 with hand.

During use, the snap close be used for fixing after covering also should be installed between the chair back 1 and seat support 2, swivel chair is divided into two kinds of patterns: be with the chair back 1 and handrail-type and be not with the chair back 1 and handrail-type, when wherein using the band chair back 1 handrail-type, first the snap close between the chair back 1 and seat support 2 is untied, dig the comfortable angle that the chair back 1 is selected needed for oneself, then unscrew swing handle 10 slide bar 8 is inserted after in slot 9, screw swing handle 10 fixed slip bar 8, and then gripper shoe 6 and plate 7 of giving a hand be deployed into cannot rotate and can complete, when needing not to be with the chair back 1 and handrail-type, first will give a hand plate 7 and gripper shoe 6 folding after, again swing handle 10 is screwed off and take out slide bar 8, rotate after the chair back 1 fits in seat support 2 surface and can complete with snap close is fixing, can use when needs store swivel chair and not be with the chair back 1 and handrail-type, space can be saved like this.

The foregoing is only preferred embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.

Claims

1. a chair back adjustable folding swivel chair, comprise the chair back, seat support, gas bar, base and pulley, seat support is rotated by gas bar and is arranged on base, it is characterized in that: the described chair back and seat support pass through gemel connection, described chair back lower surface forms square hole, sleeve slide bar in described square hole, the described chair back is also provided with the bolt compressing slide bar, described seat support comprises the housing of rectangle, described housing exterior walls forms the multiple slots coordinated with slide bar, in described housing, floating connection has seat board, and described seat board bilateral symmetry is provided with folding handrail.

2. chair back adjustable folding swivel chair according to claim 1, is characterized in that: be connected with multiple spring between described seat board bottom surface and housing inner bottom surface, and described number of springs is 4 ~ 5 and is distributed in four right angle of housing cavity bottom surface.

3. chair back adjustable folding swivel chair according to claim 1, it is characterized in that: described handrail comprises gripper shoe and plate of giving a hand, described gripper shoe by hinge can inside 90 ° be rotationally connected with on seat board, described in give a hand plate by hinge can downward 90 ° be rotationally connected with gripper shoe lateral surface.

4. chair back adjustable folding swivel chair according to claim 1, is characterized in that: described slot vertically arranges and cross section is triangle.

5. chair back adjustable folding swivel chair according to claim 1, is characterized in that: described bolt is provided with swing handle.