CN201079167Y

CN201079167Y - Improved swivel chair

Info

Publication number: CN201079167Y
Application number: CNU2007200510531U
Authority: CN
Inventors: 刘华强
Original assignee: GUO RUIMEI
Current assignee: GUO RUIMEI
Priority date: 2007-04-29
Filing date: 2007-04-29
Publication date: 2008-07-02
Anticipated expiration: 2017-04-29

Abstract

The utility model relates to an improved swivel chair, which comprises a horse component, a pneumatic lifting rod component and a cushion and a backrest. The utility model is characterized in that the swivel chair is provided with an elastic supporting component and a bending bar, the cushion is connected with the pneumatic lifting rod component through the elastic supporting component, one end of the bending bar is welded at the lower end of the column body of the elastic supporting component, and the upper end of the bending bar is hinged with the backrest. The utility model has the advantages that the cushion and the stretching piece thereof are elastically connected, the cushion can carry out the corresponding adjustment according to the different human sitting postures, the lumbar disc herniation caused by the human stooping down can be better relieved, the bending curvature of the lumbar is reduced, the waist soreness and the dorsalgia which are caused by sitting for a long time cannot easy to be caused, and the armrest component of the swivel chair is removable; thereby the size of a packing box is reduced, and the transportation cost is decreased.

Description

A kind of improved swivel chair

Affiliated technical field

The utility model relates to a kind of swivel chair, is specifically related to a kind of improved swivel chair.

Background technology

The cushion of swivel chair generally is designed to fix at present, be that relative foot rest is fixed, or oriented rotation or mobile, after human body is sat down, the back, waist and buttocks be not one one-tenth motionless, but hypsokinesis can often be arranged, bend right and left, displacement, sitting posture changes the power that the cushion surface diverse location produces, arbitrarily, this fixed, or oriented rotation, portable cushion, insufficient to this variation and arbitrariness consideration, the time has been grown, the people can feel to have a pain in the back, the general design of the handrail of swivel chair and backrest also is to fix non-removable or be not easy to the user to dismantle, and is unfavorable for the packing of product like this, and cost of transportation is also higher.

Summary of the invention

In order to overcome the deficiency of existing swivel chair, the utility model provides a kind of improved swivel chair.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of improved swivel chair, comprise foot rest assembly, Pneumatic elevation bar assembly, cushion and backrest, it is characterized in that: be provided with resilient support assemblies and bent stick, described cushion is connected with Pneumatic elevation bar assembly by resilient support assemblies, described bent stick one end is welded in the cylindrical body lower end of resilient support assemblies, and the upper end of bent stick is articulated in backrest.

Described elasticity supporting component is made up of cylindrical body, gripper shoe, dead man support, dead man, hemispherical cover plate, pin, bearing spring, cushions support plate; Gripper shoe is welded in the cylindrical body place, and there is round boss at the gripper shoe center, and the boss center is provided with conical through-hole, can place Pneumatic elevation bar assembly top; Support plate edge welding dead man support, the dead man support is by the fixing dead man of pin, and dead man can be opened Pneumatic elevation masthead portion valve; The welded top hemispherical cover plate of cylindrical body.

Also be provided with the arm-rest frame assembly, described arm-rest frame assembly is provided with the arm-rest frame VERTICAL TUBE, and the upper end of bent stick connects in the arm-rest frame VERTICAL TUBE by screw connection, and the arm-rest frame VERTICAL TUBE is articulated in backrest by hypsokinesis and resetting means.

Described screw connection includes knob, threaded rod, thread bush, positioning sleeve, arm-rest frame VERTICAL TUBE upper end is sealed, and the center has the hole, and threaded rod places in the arm-rest frame VERTICAL TUBE, stretch out from center drilling the upper end, be welded as a whole with knob, thread bush places an end inside of bent stick, and is welded as a whole with bent stick, the two ends of bent stick have locating hole, there is the location convex inside of positioning sleeve, and by locating the spacing of convex and locating hole, positioning sleeve can be enclosed within on the bent stick.

Described hypsokinesis and resetting means include support, fixedly frame plate, back-moving spring, and the support design has through hole and wedge projection, and is welded on the arm-rest frame VERTICAL TUBE; Fixedly have screw hole and location hole of the spring on the frame plate; The same fixedly frame plate of support is connected through the hinge mounting spring between the wedge projection of support and the location hole of the spring on the fixed mount.

The beneficial effects of the utility model are, cushion is that elasticity is connected with its support member, cushion can be according to the human body sitting posture difference, adjust accordingly, it is outstanding to alleviate the lumber ertebral disc of bending over to produce because of human body, reduces the lumbar vertebrae bending curvature, sitting is difficult for producing has a pain in the back, and the arm-rest frame assembly of swivel chair is removable, and the packing case size is reduced, and cost of transportation reduces.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is right view of the present utility model and resilient support assemblies partial sectional view;

Fig. 3 is rearview of the present utility model and screw connection partial sectional view;

Fig. 4 is the structure cutaway view Amplified image at the utility model A place;

Fig. 5 is the broken section enlarged drawing of the utility model resilient support assemblies;

Fig. 6 is the perspective view of the utility model hypsokinesis and resetting means;

Fig. 7 is a stereogram of the present utility model;

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Consult Fig. 1 to Fig. 7, a kind of improved swivel chair, comprise foot rest assembly 9, Pneumatic elevation bar assembly 8, cushion 5 and backrest 1, its design feature is: be provided with resilient support assemblies 6 and bent stick 7, described cushion 5 is connected with Pneumatic elevation bar assembly 8 by resilient support assemblies 6, described bent stick 7 one ends are welded in cylindrical body 17 lower ends of resilient support assemblies 6, and the upper end of bent stick 7 is articulated in backrest 1.

Described resilient support assemblies is made up of cylindrical body 17, gripper shoe 16, dead man support 13, dead man 14, hemispherical cover plate 12, pin 15, bearing spring 11, cushions support plate 10; Gripper shoe 16 is welded in cylindrical body 17 places, and there is cylinder boss at gripper shoe 16 centers, and the boss center is provided with conical through-hole, can place Pneumatic elevation bar assembly 8 tops; Have some through holes between the gripper shoe 16 margin and center boss, technology locating hole when welding as part, gripper shoe 16 edges welding dead man support 13, dead man support 13 passes through fixedly dead man 14 of pin 15, and dead man 14 can be opened Pneumatic elevation bar 19 top valves 18; Cylindrical body 17 welded top hemispherical cover plates 12, this resilient support assemblies 6 places Pneumatic elevation bar assembly 8 tops, main support cushion 5 and bent stick 7, and can control the valve 18 at Pneumatic elevation bar assembly 8 tops, make the swivel chair lifting.

Also be provided with arm-rest frame assembly 4, described arm-rest frame assembly 4 is provided with arm-rest frame VERTICAL TUBE 23, and the upper end of bent stick 7 connects in arm-rest frame VERTICAL TUBE 23 by screw connection 2, and arm-rest frame VERTICAL TUBE 23 is articulated in backrest 1 by hypsokinesis and resetting means 3.

Described screw connection includes knob 20, threaded rod 21, thread bush 22, positioning sleeve 24, arm-rest frame VERTICAL TUBE 23 upper ends are sealed, the center has the hole, threaded rod 21 places in the arm-rest frame VERTICAL TUBE 23, stretch out from center drilling the upper end, be welded as a whole with knob 20, thread bush 22 places an end inside of bent stick 7, and be welded as a whole with bent stick 7, the two ends of bent stick 7 have locating hole, there is the location convex inside of positioning sleeve 24, and by locating the spacing of convex and locating hole, positioning sleeve 24 can be enclosed within on the bent stick 7.

Described screw connection includes knob 20, threaded rod 21, thread bush 22, positioning sleeve 24, arm-rest frame VERTICAL TUBE 23 upper end closeds, center drilling, threaded rod 21 places in the arm-rest frame VERTICAL TUBE 23, the upper end is outstanding from center drilling, be welded as a whole with knob 20 bottoms, thread bush 22 places an end inside of bent stick 7, and is welded as a whole with bent stick 7.The two ends of bent stick 7 have locating hole, there is the location convex inside of positioning sleeve 24, and by locating the spacing of convex and locating hole, positioning sleeve 24 is enclosed within an end of bent stick 7, positioning sleeve 24 can not move, only play buffer action, when arm-rest frame assembly 4 is connected with bent stick 7, bent stick 7 is inserted in the arm-rest frame VERTICAL TUBE 23, screw knob 20, arm-rest frame assembly 4 can be anchored on the bent stick 7, make the utility model swivel chair have dismoutability, instant packed and transportation.

Described hypsokinesis and resetting means 3 include support 26, fixedly frame plate 25, back-moving spring 27, and support 26 designs have through hole and wedge projection, and are welded on the arm-rest frame VERTICAL TUBE 23; Fixedly have screw hole and location hole of the spring on the frame plate 25, be connected with the middle part of backrest 1; Support 26 same fixedly frame plates 25 are connected through the hinge, between the wedge projection of support 26 and the backrest spring 27 is installed, spring 27 by the wedge projection of support 26 and fixedly the location hole of the spring on the frame plate 25 limit the position, hypsokinesis and resetting means 3 are mainly used in and are connected and support backrest 1, but and make backrest 1 have hypsokinesis and reset function.

Above-described specific embodiment only is the utility model preferred embodiment, and the equivalent arrangements of being done according to the utility model claim all should be technology of the present utility model and contains such as.

Claims

1. improved swivel chair, comprise foot rest assembly, Pneumatic elevation bar assembly, cushion and backrest, it is characterized in that: be provided with resilient support assemblies and bent stick, described cushion is connected with Pneumatic elevation bar assembly by resilient support assemblies, described bent stick one end is welded in the cylindrical body lower end of resilient support assemblies, and the upper end of bent stick is articulated in backrest.

2. a kind of improved swivel chair according to claim 1 is characterized in that: described resilient support assemblies is made up of cylindrical body, gripper shoe, dead man support, dead man, hemispherical cover plate, pin, bearing spring, cushions support plate; Gripper shoe is welded in the cylindrical body place, and there is round boss at the gripper shoe center, and the boss center is provided with conical through-hole, can place Pneumatic elevation bar assembly top; Support plate edge welding dead man support, the dead man support is by the fixing dead man of pin, and dead man can be opened Pneumatic elevation masthead portion valve, the welded top hemispherical cover plate of cylindrical body.

3. a kind of improved swivel chair according to claim 1, it is characterized in that: also be provided with the arm-rest frame assembly on the backrest, described arm-rest frame assembly is provided with the arm-rest frame VERTICAL TUBE, the upper end of bent stick connects in the arm-rest frame VERTICAL TUBE by screw connection, and the arm-rest frame VERTICAL TUBE is articulated in backrest by hypsokinesis and resetting means.

4. a kind of improved swivel chair according to claim 3, it is characterized in that: described screw connection includes knob, threaded rod, thread bush, positioning sleeve, arm-rest frame VERTICAL TUBE upper end is sealed, the center has the hole, threaded rod places in the arm-rest frame VERTICAL TUBE, stretch out from center drilling the upper end, be welded as a whole with knob, thread bush places an end inside of bent stick, and be welded as a whole with bent stick, the two ends of bent stick have locating hole, and there is the location convex inside of positioning sleeve, by locating the spacing of convex and locating hole, positioning sleeve can be enclosed within on the bent stick.

5. a kind of improved swivel chair according to claim 3 is characterized in that: described hypsokinesis and resetting means include support, fixedly frame plate, back-moving spring, and the support design has through hole and wedge projection, and is welded on the arm-rest frame VERTICAL TUBE; Fixedly have screw hole and location hole of the spring on the frame plate; The same fixedly frame plate of support is connected through the hinge mounting spring between the wedge projection of support and the location hole of the spring on the fixed mount.