CN201019315Y

CN201019315Y - Office chair back supporting structure

Info

Publication number: CN201019315Y
Application number: CNU2007200678867U
Authority: CN
Inventors: 高曰菖; 吴朝曙
Original assignee: ZHENDAN FURNITURE CO Ltd SHANGHAI
Current assignee: Aurora Co.,Ltd.; Aurora China Co Ltd
Priority date: 2007-03-16
Filing date: 2007-03-16
Publication date: 2008-02-13
Anticipated expiration: 2017-03-16

Abstract

The utility model provides a waist-depend support structure for office chair, comprising a chair-back support, a back board of the chair-back fixed on the chair-back support and a chair-back frame fixed on the chair-back. The chair-back support is provided with a counter hole; the back board of the chair-back is a penal with certain radian, which is provided with a screw hole corresponding to the counter hole, and provided with a button groove and a through hole as well; the chair-back frame is a penal with certain radian, which is corresponding to the button groove and the through hole arranged on the back board of the chair-back; a clamping button and a screw column are arranged on the upper part of the chair-back frame, while the lower part thereof is slightly bended backward and provided with a hole, forming a rim of the chair-back frame on which a waist-depend support rod is protruded; the waist-depend support rod is provided with a waist-depending. The screw penetrates the counter hole and the screw hole, the clamping button clamps the button groove, and the screw penetrates the through hole and the screw column. The utility model has the advantages of novel and simple structure, with waist-depending being free to assemble, comfortable to use, low cost, easy to match to other chair product and easy to popularity as well.

Description

The office chair waist is by supporting construction

Technical field

The utility model relates to the office fittings field, more specifically, is meant that a kind of office chair waist is by supporting construction.

Background technology

The office chair waist of Xiao Shouing is by all being to realize that by the assembly of several separate parts phase product department's product are many comparatively speaking in the market, and structure is complicated, and assembling is inconvenient, and cost is higher.

The utility model content

The purpose of this utility model has overcome above-mentioned shortcoming of the prior art exactly, provides a kind of office chair waist by supporting construction, and novel succinct, the portion's product of this supporting construction less, cost is low.

In order to realize above-mentioned purpose, a kind of office chair waist of the present utility model is achieved in that by supporting construction a kind of office chair waist is by supporting construction, comprise chairback brace, be characterized in, the chair back frame of plate after also comprising plate behind the chair back that is fixed on the described chairback brace and being fixed on the described chair back.

The bottom of described chair back frame bends backward, has a hole, in have a waist to lean on.

Described waist by with described chair back frame be one.

Described waist is by being connected with described chair back frame by support bar by a waist.

Described waist is an one by leaning on support bar and described chair back frame with described waist.

Described chairback brace is provided with counterbore, and plate is provided with screw hole behind the described chair back, and described counterbore and described screw hole are worn and penetrated screw.

Plate is provided with catching groove and through hole behind the described chair back, and described chair back frame is provided with buckle and screw column, and described buckle fastens described catching groove, and described through hole and described screw column are worn and penetrated screw.

Plate is the panel of tool certain radian behind the described chair back.

Described chair back frame is the panel of tool certain radian.

The utility model comprises plate and chair back frame behind chairback brace, the chair back, and it is succinct to have a novel structure, and waist is by need not assembling, and is easy to assembly, easily with other chair series products collocation, uses comfortablely, and cost is low, and the advantage of easy popularization is fit to promote the use of.

Description of drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is the perspective view of chairback brace of the present utility model.

Fig. 3 is the perspective view of plate behind the chair back of the present utility model.

Fig. 4 is the schematic perspective view one of chair back frame of the present utility model.

Fig. 5 is the schematic perspective view two of chair back frame of the present utility model.

Fig. 6 is an exploded perspective schematic diagram of the present utility model.

Fig. 7 is that waist of the present utility model is by the effect schematic diagram.

Fig. 8 is that chair back frame of the present utility model and waist lean on the acting in conjunction schematic diagram.

The specific embodiment

In order more to be expressly understood technology contents of the present utility model, see also Fig. 1 to shown in Figure 8.

In order to overcome the deficiency that existing office chair waist leans on, as shown in Figure 1, the utility model is that a kind of office chair waist leans on supporting construction, and it comprises: plate 2 and chair back frame 3 behind chairback brace 1, the chair back, wherein:

As shown in Figure 2, chairback brace 1 is L shaped, and it vertically has a flat in the end of part, has some counterbores 11 on it.

As shown in Figure 3, plate 2 behind the chair back, are the panel of tool certain radian, and corresponding to the counterbore 11 of chairback brace 1, the centre, bottom is provided with screw hole 21, and the both sides of plate 2 are provided with catching groove 22 behind the centre, top and the chair back, and the both sides, bottom also are provided with some through holes 23.

As shown in Figure 4 and Figure 5, chair back frame 3, panel for the tool certain radian, corresponding to the catching groove 22 and the through hole 23 of plate behind the chair back 2, top is provided with buckle 31 and screw column 32, and the bottom bends backward, have a hole, periphery forms chair back frame frame 33, and an outstanding waist is by support bar 35 in its upward hole, and waist is by having a waist by 34 on the support bar 35.

During assembling, see also Fig. 6, at first wear the screw hole 21 of plate 2 behind the counterbore 11 of penetrating chairback brace 1 and the chair back with screw, plate 2 behind the chairback brace 1 and the chair back is connected and fixed, then buckle 31 card of chair back frame 3 is gone up the catching groove 22 of plate 2 behind the chair back, wear the through hole 23 of penetrating plate 2 behind the chair back and the screw column 32 of chair back frame 3 with screw again, plate behind the chair back 2 is fixed on the chair back frame 3.

After chairback brace 1 is fixing, also relative fixed of the top of plate 2 and chair back frame 3 behind the chair back.As shown in Figure 7, when human body came on the chair back frame 3, waist can be attached to the human body waist by 34, because waist is by the elasticity of support bar 35, leaned against on the chair back frame 3 in various degree according to human body, and regulated backward automatically, remains the human body waist nature is fitted.

As shown in Figure 8, when human body came on the chair back frame 3, waist can be attached to the human body waist by 34, because waist is by the elasticity of support bar 35, lean against on the chair back frame 3 in various degree according to human body, and regulate backward automatically, remain the human body waist nature is fitted, and, because the elasticity of chair back frame frame 33, waist is regulated after stressed backward by 34, and waist also drives chair back frame frame 33 by support bar 35 and regulates backward, more can adapt to the human body needs all sidedly.

Can find out from the above and diagram, entire mechanism has reached and has supported the human body waist effectively, and, remain the human body waist nature is fitted because its waist leans against regulating automatically in various degree on the chair back frame by the elasticity of support bar 35 and chair back frame frame 33 self with human body.

To sum up, the utility model design is unique novel, easy to assembly, uses comfortable.

Need to prove that in this specification, the utility model is described with reference to its certain embodiments.But obviously, those skilled in the art still can make various changes or modifications the utility model and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.

Claims

1. an office chair waist comprises chairback brace by supporting construction, it is characterized in that, the chair back frame of plate after also comprising plate behind the chair back that is fixed on the described chairback brace and being fixed on the described chair back.

2. office chair waist as claimed in claim 1 is characterized in that the bottom of described chair back frame bends backward by supporting construction, has a hole, in have a waist to lean on.

3. office chair waist as claimed in claim 2 is characterized in that by supporting construction, described waist by with described chair back frame be one.

4. office chair waist as claimed in claim 2 is characterized in that by supporting construction described waist is by being connected with described chair back frame by support bar by a waist.

5. office chair waist as claimed in claim 4 is characterized in that by supporting construction described waist is an one by leaning on support bar and described chair back frame with described waist.

6. office chair waist as claimed in claim 1 is characterized in that by supporting construction described chairback brace is provided with counterbore, and plate is provided with screw hole behind the described chair back, and described counterbore and described screw hole are worn and penetrated screw.

7. office chair waist as claimed in claim 1 is characterized in that by supporting construction plate is provided with catching groove and through hole behind the described chair back, and described chair back frame is provided with buckle and screw column, and described buckle fastens described catching groove, and described through hole and described screw column are worn and penetrated screw.

8. office chair waist as claimed in claim 1 is characterized in that by supporting construction plate is the panel of tool certain radian behind the described chair back.

9. office chair waist as claimed in claim 1 is characterized in that by supporting construction described chair back frame is the panel of tool certain radian.