CN2147781Y - Steel-wood chair - Google Patents

Abstract

The utility model relates to a detachable chair composed of a backrest, a seat and a metal frame. The backrest and the seat of the detachable chair are fixed with symmetrical support rods respectively. The support rods are downwards bent to form a plane surface contacting with the ground at the front end of the seat of the support rod. The bending positions of the support rods are provided with ribs which can strengthen the bearing force. The surface of the backrest presents an arc shape. The detachable chair has the advantages of high bearing force, convenient disassembly, easy transportation, simple and bright line and surface design of the integral structure, simple and reasonable frame structures of the support rods, reliability, firmness, etc. The applied range is wide. The detachable chair is especially suitable for the family, the big-size office, the middle-size office, the small-size office, the dining hall, the teahouse and the public space.

Description

Steel-wood chair

The utility model relates to chair, particularly a kind of dismountable chair that has the metal tube framework.

In the prior art, the general structure of chair or stool is the supporting-point that has at the seat more than or three, and is equipped with cramp bar on these aspects, so that the seat very firmly rests on a certain position, space.Such chair or stool, people are very steady when taking a seat, and its sound construction is reliable, and also has some utility function.But,, therefore be very much inconvenience in assembling, dismounting, transportation and the use of product because the structure of these chairs or stool is comparatively complicated.In addition, the complicated supporting structure more space that accounted for hinders the person's of taking a seat both legs activity.

The purpose of this utility model is to overcome above-mentioned weak point, provides a kind of simple in structure, easy to carry, and the scope of application is extensive, has dismountable chair of metal tube framework.

The technical solution of the utility model is such: on the seat tool that cramp bar constituted by backrest, seat and supporting backrest and seat, fixedlyed connected with two symmetrical cramp bars respectively in backrest, seat, cramp bar is bent downwardly at the front end at seat, and constitute one can with contacted plane, ground.In order to strengthen the heavy burden ability of seat, on the interior bent face in each knee of cramp bar, be equipped with the fin that to strengthen holding capacity.The face of backrest is made the arc shape that is fit to human body.

It is strong to the utlity model has holding capacity, dismounting, convenient transportation, integrally-built line, face design brevity and lucidity, cramp bar frame structure advantages of simple, characteristics such as solid and reliable.Its scope of application is extensive, especially is fit to the use of family, large, medium and small office, dining room, teahouse and public place.

The utility model will be further described below in conjunction with accompanying drawing and embodiment.

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the structure cutaway view in the utility model cramp bar knee

With reference to Fig. 1, the utility model is made of backrest 1, cramp bar 2, seat 3, connecting rod 4 etc.Wherein cramp bar 2 is two hollow steel pipes that external diameter is 25mm, is symmetrically distributed in the both sides at backrest 1 and seat 3, and fixedly connected by screw.The cramp bar 2 of supporting backrest 1 is an obtuse angle with the cramp bar 2 at supporting seat 3, and its angle the best is 93 °.The downwards crooked and ground of the cramp bar 2 of seat 3 front ends is basic vertical configuration, and its latter end bends to straight-bar parallel to the ground then, promptly from the side of seat, being shaped as of this cramp bar 2 "

" shape.Because the rear portion and the ground at seat 3 do not have direct cramp bar, therefore has certain elasticity during seat 3 pressurizeds, and its front end has only two cramp bars 2, institute thinks that the person's of taking a seat two leg activities provide more space, the person of taking a seat is felt comfortably cool, also can alleviate and take a seat caused fatigue when long.

Connecting rod 4 is fixedlyed connected with the terminal of two cramp bars 2 by screw, and such arrangement makes the utility model very convenient when assembling or dismounting, helps transporting and carrying.

The framework at backrest 1 of the present utility model and seat 3 can be made with timber, is equipped with the rattan plaited fabric on it, also can be replaced with other materials according to different seasons and purposes, such as the sponge elastomeric material.In order to adapt to people's the bodily form, the curved shape of the face of backrest 1, its center oar degree is 10.4 °.With cramp bar that ground contacts on also be equipped with four anti-skidding dampings covers 5.

With reference to Fig. 2, in cramp bar 2 each knees of chair, all be equipped with the fin that can strengthen holding capacity on the bent face, the heavy burden of seat is strengthened greatly, after tested its holding capacity≤200kg.

Claims (3)

1, a kind of Steel-wood chair, cramp bar by backrest, seat and supporting backrest and seat is constituted, it is characterized in that: fixedly connected with two symmetrical cramp bars respectively in backrest, seat, cramp bar is bent downwardly at the front end at seat, and constitute one can with contacted plane, ground.

2, Steel-wood chair according to claim 1 is characterized in that: the interior bent face in cramp bar knee is equipped with the fin that can strengthen holding capacity.

3, Steel-wood chair according to claim 1 is characterized in that: the backrest face is the arc that is fit to human body.

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