CN2836608Y

CN2836608Y - Elastic chair

Info

Publication number: CN2836608Y
Application number: CN 200520062020
Authority: CN
Inventors: 王屏生
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-27
Filing date: 2005-07-27
Publication date: 2006-11-15
Anticipated expiration: 2015-07-27
Also published as: NZ544620A; AU2006200358B1

Abstract

The utility model discloses an elastic chair which comprises a frame provided with two edge tracks and a backrest, wherein the frame comprises a plurality of backrest components positioned between the two edge tracks. The backrest is arranged on the backrest components. In the utility model, the backrest is not installed on the edge tracks but installed on the backrest components, and the backrest is fixed by transverse rods with bending parts or inwards extending parts; thus, the better supporting effect, the stable connection and the easy installation can be ensured. Simultaneously, ornamental elements can be easily installed on and disassembled from the elastic chair so as to make the elastic chair beautiful.

Description

Resilient seat

[technical field]

The utility model is about a kind of seat, refers to a kind of resilient seat that the elasticity backrest can improve seat stability and comfortableness and can be designed to various ways that has especially.

[background technology]

Existing multiple seat with concave surface and backrest generally comprises the chair back and seat, and part also comprises handrail.The chair back generally comprises seat back frame and is installed on tool pliability on the seat back frame and the backrest of support effect, and backrest is generally made by the material that textile etc. is fit to.Backrest is fixed on the seat back frame by different frame for movement, but all there is deficiency in the existing mechanical structure.At first, existing structure usually can't provide the safe and reliable mode that is connected and fixed, thereby can't provide firm support to the user.In addition, the elasticity backrest of above-mentioned seat is generally installed along the limit rail, has caused the pressure of both sides, has also limited the installation of the decorative form and the complex assemblies of seat simultaneously.

[summary of the invention]

The purpose of this utility model is to provide a kind of simple installation and comfortable firm resilient seat.

To achieve these goals, the utility model adopts following technical scheme: a kind of resilient seat, and it comprises framework and the backrest that is provided with two limit rails, and framework comprises the some backrest module that are arranged between two limit rails, and backrest is installed on the backrest module.

Backrest module comprises plurality of cross bars and the little bar that equates with the cross bar number, and cross bar comprises the upper and lower cross bar that pair of parallel is provided with, and is concave.Cross bar is installed on the rail of limit, and backrest is installed on the cross bar, and two opposed edges upset of backrest is bent to form some collars, after above-mentioned little bar is contained in and makes the collar be fixed in cross bar in the collar of backrest.

Above-mentioned cross bar can be arranged to following form: cross bar comprises top and bottom, and the bottom comprises base portion and by the extended open annular kink of base portion, the collar and little bar are placed in the kink, and backrest passes the gap between top and the base portion.Cross bar also can be arranged to following form: cross bar comprises top and bottom, and the homonymy of top and bottom is stretched portion in the length direction cooperation formation of cross bar, and the collar and little bar hold to be stretched in the portion as for interior, and backrest passes the gap between top and the bottom.Top, bottom and backrest are by some Connection Element windings.

Compared with prior art, the utility model resilient seat has following beneficial effect: backrest is not to be installed on the rail of limit, but be installed on the backrest module and utilize have kink or in stretch portion cross bar fix, can guarantee better support effect, more firm connection and easier installation like this.Simultaneously, thus the utility model is easy on resilient seat to install and to dismantle ornamental element make resilient seat more attractive in appearance.

[description of drawings]

Fig. 1 is the right view of an embodiment of the utility model resilient seat.

Fig. 2 is the back framework of the utility model resilient seat and the rearview of backrest module.

Fig. 3 is the cutaway view of the last backrest module of the utility model resilient seat along III-III direction among Fig. 1 and Fig. 2.

Fig. 4 is the upward view of the sheer pole of the utility model resilient seat.

Fig. 5 is the cutaway view of the last backrest module of the utility model resilient seat along the V-V direction among Fig. 2 and Fig. 3.

Fig. 6 is the cutaway view of the following backrest module of the utility model resilient seat along the VI-VI direction among Fig. 4.

[specific embodiment]

Please refer to Fig. 1 to shown in Figure 6, the utility model provides a kind of resilient seat 10, and this resilient seat comprises a rigid frame 12.Fig. 1 is the right view of an embodiment of the present utility model.It comprises integrally welded framework 12, and this framework 12 comprises limit rail 14, seat 16, and handrail 18 and chair leg 20, this framework 12 also comprises backrest module 22 in addition.Backrest module 22 comprises that backrest module 24 reaches backrest module 26 down.Last backrest module 24 comprises the cross tube 28 and the first little bar 50.Cross tube 28 can with upper element 32 and connecting band 34 global formations, also can be used as independent element and be installed on upper element 32 and the connecting band 34.As shown in Figure 2, cross tube 28 is installed between two limit rails 14.

As shown in Figures 1 and 2, following backrest module 26 comprises and is installed on two sheer pole 38 and second little bars 60 between the limit rail 14.Sheer pole 38 and two limit rails 14 of cross tube 28 common connections, sheer pole 38 and cross tube 28 can be set to substantially parallel form.The flexible textile material of backrest 33 general employings, it is installed on backrest module 24 and the following backrest module 26 and provides back support for the user.

Embodiment as shown in Figure 2, cross tube 28 and sheer pole 38 are parallel to each other.Cross tube 28 and sheer pole 38 are curve or concave surface, can be entity or hollow.As shown in Figures 1 and 2, cross tube 28 and sheer pole 38 protrude out the back side 15 of its corresponding limit rail 14 respectively to small part.Cross tube 28 and sheer pole 38 cross sections can be set to multiple shape, and decoration 34 can be used as annex and is mounted thereon, as shown in Figure 2.Also can coat edge decoration 35 around the backrest 33.The cross sectional shape of the limit rail 14 and the first little bar 50 can be circle, ellipse and different shape such as square.In addition, the limit rail 14 and the first little bar 50 can be solid or hollow.

The seat of the utility model resilient seat can adopt various ways, and it can be provided with handrail or handrail is not set, and the number of chair leg can be set as required or replace the chair leg with base.In addition, the chair leg can also be designed to shake, various forms such as rotatable, that wave, rotational slide or the rigid frame of rotation.

Cross tube 28 and sheer pole 38 can be installed on the limit rail 14 in several ways, as traditional welding procedure or by offer the respective end (not shown) of ccontaining cross tube 28 of interior groove and sheer pole 38 on limit rail 14.Cross tube 28 comprises first top 29 and first bottom 30.As Fig. 2, Fig. 3 and shown in Figure 5, first bottom 30 comprises base portion 41 and kink 42, kink 42 can be set to " C " just as the time extend with the ccontaining rigidity first little bar 50 (as Fig. 5) along the length of whole cross tube 28.First collar, 40, the first collars 40 and the first little bar 50 that the first little bar 50 passes on the backrest 33 are placed in the passage of kink 42 formation.First collar 40 can form by the marginal portion of upset and stitching backrest 33.The part of backrest 33 is passed in the gap 43 that is formed by the base portion 41 and first top 29.The screw 46 that can match by the internal thread with the base portion 41 and first bottom 30 in first bottom 30 is installed on the bottom surface 45 on first top 29.Also available other Connection Elements are installed on first bottom 30 on first top 29, for example Metal Flake screw, hook ring matching fastener, anchor clamps or extend to ductility plunger in the opening on first top 29 from first bottom 30.

As Fig. 2, Fig. 4 and shown in Figure 6, following backrest module 26 comprises the sheer pole 38 and the second little bar 60, and as Fig. 2 and shown in Figure 6, sheer pole 38 comprises that

second top

52 and 53, the second tops 52, second bottom and second bottom 53 are connected to each other in

end

38a, 38b place.Second top 52 and second bottom 53 comprise

inwall

54a and 54b,

outer wall

55a and 55b and

interior contact wall

56a and 56b respectively.Cross bar 38 can manufacture monoblock type, and monolithic integrated form or utilization welding or other modes link together second top 52 and second bottom 53 in

end

38a and 38b place.

Interior contact wall

56a and 56b form slit 44 jointly.As shown in Figure 2, slit 44 extends along the length of whole second top 52 and second bottom 53.As shown in Figure 6, another edge that backrest 33 is relative with edge in being installed on backrest module 24 comprises second collar 58 of the ccontaining second little bar 60.Second collar 58 can be arranged to identical pattern with first collar 40.Embodiment as shown in Figure 6, in the portion of stretching comprise and be set to stretch in the arc part 57a of portion and 57b respectively that the two is spliced into stretches portion in semicircular.The second little bar 60 and second collar 58 are connected in the part of

outer wall

55a and 55b to be stretched on 57a of portion and the 57b.In stretch portion setting reduced the integral thickness of backrest module 22, make the second little bar 60 and second collar 58 only protrude out outer wall 55a and the less height of 55b, thereby effectively avoided the unnecessary wearing and tearing of second collar 58.As Fig. 4 and shown in Figure 6, be assembled in down the screw 64 that the backrests 33 in the backrest module 26 can select to pass sheer pole 38 openings 66 with one or two and fix, can certainly adopt other fixed form such as rivet.

In the utility model, backrest 33 is fixed in cross tube 28 and the sheer pole 38, rather than is fixed on the limit rail 14, can create a comfortable concave for the back.And the syndeton that is fixed in limit rail 14 with backrest 33 is compared, and the utility model adopts the less collar, less Connection Element that backrest 33 can firmly be installed.Simultaneously, this fixed form can make framework 12 firmer and reserved more redundantly for other annexes are installed.

In the utility model, can adopt multiple mode that backrest module 22 is installed on the framework 12.As shown in Figure 2, framework 12 comprises cross tube 28 and the sheer pole 38 that is fixed on the limit rail 14.Two opposed edges of backrest 33 are provided with the first relative collar 40 and second collar 58.The position of stretching 57a of portion and 57b in the slit 44 that earlier second collar 58 is passed sheer pole 38 is located adjacent to, then the second little bar 60 is passed second collar 58, when other parts of backrest 33 are stretched, during for example from the another side stretching backrest 33 of sheer pole 38, in can contacting, 58 of second collars stretch 57a of portion and 57b.Utilize screw 64 or other Connection Elements that backrest 33 is fixed on the sheer pole 38 then

The first little bar 50 passes first collar 40 of backrest 33, and the above-mentioned first little bar 50 and first collar 40 are placed in the kink 42 of first bottom 30 and near base portions 41.Then, first bottom 30 moves up near the bottom surface 45 on first top 29.At last, screw 46 or similarly Connection Element pass base portion 41, backrest 33 and first top 29 first bottom 30 and backrest 33 be fixed on first top 29.

Claims

1. resilient seat, it comprises that one is provided with the framework and the backrest of two limit rails, it is characterized in that: framework also comprises the some backrest module that are arranged between two limit rails, and backrest is installed on the backrest module.

2. resilient seat as claimed in claim 1, it is characterized in that: above-mentioned backrest module comprises plurality of cross bars and the little bar that equates with the cross bar number, cross bar is installed on the rail of limit, backrest is installed on the cross bar, two opposed edges upset of backrest is bent to form some collars, after above-mentioned little bar is contained in and makes the collar be fixed in cross bar in the collar of backrest.

3. resilient seat as claimed in claim 2 is characterized in that: above-mentioned cross bar is the upper and lower cross bar that pair of parallel is provided with, and cross bar is set to concave along its length.

4. as claim 2 or 3 described resilient seat, it is characterized in that: above-mentioned cross bar comprises top and bottom respectively, the bottom comprises that base portion reaches by the extended open annular kink of base portion, the collar and little bar are placed in the kink, and backrest passes the gap between top and the base portion, and top, bottom and backrest are by the Connection Element winding.

5. as claim 2 or 3 described resilient seat, it is characterized in that: above-mentioned cross bar comprises top and bottom, the homonymy of top and bottom is stretched portion in the length direction cooperation formation of cross bar, the collar and little bar hold to be stretched in the portion as for interior, and backrest passes the slit between top and the bottom, and top, bottom and backrest are by the Connection Element winding.

6. resilient seat as claimed in claim 1 is characterized in that: the periphery of backrest module and backrest can be provided with decoration.