CN202436586U

CN202436586U - Foldable chair

Info

Publication number: CN202436586U
Application number: CN2012200782560U
Authority: CN
Inventors: 练宇挺
Original assignee: Dakang Holding Co Ltd
Current assignee: Dakang Holding Co Ltd
Priority date: 2012-03-05
Filing date: 2012-03-05
Publication date: 2012-09-19
Anticipated expiration: 2022-03-05

Abstract

The utility model relates to a foldable chair, and belongs to the production field of furniture. The foldable chair consists of a seat, a chair back and armrests, the armrests are mounted on two sides of the seat, and the chair back is fixed with the armrests through a pair of shafts and can rotate around the shafts. The foldable chair is characterized in that a connecting block is also arranged at the rear end of the seat, two self-locking devices are mounted on the connecting block, a spring is placed in a sleeve and a marble is pressed on the spring to form each self-locking device, the marbles can vertically move, the sleeves are directly inserted into two holes arranged on the connecting block, positioning grooves are arranged at the lower end of the chair back, and the marbles can be embedded in the positioning grooves. A stopping strip is arranged on the connecting block so as to enable the chair back to be stable after the chair back is unfolded, and stoppers are also arranged at the rear ends of the armrests on two sides of the chair. The foldable chair has the advantages of simple structure, convenience in production, attractiveness, practicality and convenience in folding.

Description

A kind of faldstool

Technical field

The utility model relates to a kind of thing to sit on, relates in particular to a kind of chair, is meant a kind of faldstool especially.

Background technology

Chair is an indispensable furniture in the daily life, and prevailing chair is made up of seat support and backrest, generally all is by transporting to the point of sale after special manufacturer's production or delivering in the users home; Because the chair volume is bigger, transportation and packing are very uneconomical, and often a truck has been adorned not several chair; Therefore increased cost virtually, reduced the market competitiveness, many producers transport to the market with semi-finished product and assemble; So just reduced cost of transportation, but install at the scene the professional must have been arranged, cost of labor has also increased; And still inconvenient in the point of sale to the transportation in the users home, for more economically, some producer has developed foldable chair; As long as the user brings back house back and opens and foldingly just can use, can also fold up at ordinary times with the minimizing occupation space.But; Existing folding seat generally all is to lock and open folding through two latches or spring; Often all need two hands to pin or extract latch, will move again that backrest just must have other people or with other positions of health, it is convenient not at all to use; How to develop a kind of handled easily, easily folding chair is the problem that present furniture industry need solve.

Summary of the invention

The utility model has solved the deficiency that exists in the folding seat production in the market, reduces production costs, and enhances productivity, and requires to have the advantage of simple in structure, convenient for production, both artistic and practical and folding convenient.

Its concrete technical scheme is: a kind of faldstool, to form by seat support, the chair back and handrail, and handrail is installed in the both sides of seat support; The chair back is fixed together with handrail through a pair of axle, and described axle is the shoulder bolt that is fixed on handrail, and front end is a screw thread; Can screw in the screw in the handrail, the polished rod of rear end part is as the axle of a rotation, and the chair back can sway; It is characterized in that also having a contiguous block in the rear end of described seat support, 2 self-locking devices are installed above the contiguous block, self-locking device is by placing a spring in the sleeve pipe; On spring, be pressed with a hoodle and form, hoodle can move up and down, and sleeve pipe directly inserts in 2 holes offering on the contiguous block 4; Lower end at the chair back offers locating slot, and hoodle can embed in the locating slot, can be firm after folding for the chair back is opened; On contiguous block, be provided with the stop bit bar, also be provided with block in the rear end of the handrail of both sides.

In the utility model, the chair back is fixed together through the handrail of axle and both sides, and the chair back can sway, when the chair back is folded up; The chair back and seat support are close together, and have reduced volume, in the time will using, have only the chair back is upwards drawn; Hoodle is crossed in the lower end of the chair back, and hoodle gets into locating slot, make the chair back rock before and after not understanding, and the lower end of the chair back leans against on the stop bit bar; The middle part of the chair back leans against on the block on the handrail, makes the chair back under stressed situation, also can not fall backward again, when needing to fold, has only the upper end that promotes the chair back gently forward again; Chair back lower end pushes back hoodle and crosses hoodle and just can fold, and singlehandedly just can accomplish, and hoodle is the top that is contained in a sleeve pipe; Spring has been installed below, and hoodle can move up and down, sleeve pipe pack into be arranged in the hole on the contiguous block just passable.Whole process of production is simple, and is folding easy to use, the utlity model has the advantage of simple in structure, convenient for production, both artistic and practical and folding convenient.

Description of drawings

Fig. 1 is a kind of faldstool structural representation of the utility model;

Fig. 2 is the partial sectional view of a kind of faldstool folded state of the utility model;

Fig. 3 is the self-locking device cutaway view;

The specific embodiment

Below in conjunction with Fig. 1, Fig. 2 and Fig. 3 the utility model embodiment 1 is described in further detail:

Fig. 1 is a kind of faldstool structural representation, and Fig. 2 is the partial sectional view of folded state, and Fig. 3 is the cutaway view of self-locking device, and seat support 3, the chair back 1 and handrail 2 form one chair; Handrail is installed in the both sides of seat support, and the chair back is fixed together with handrail through a pair of axle 5, and described axle is the shoulder bolt that is fixed on handrail; Front end is a screw thread, screws in the screw in the handrail, and the polished rod of rear end part is as the axle of a rotation; The chair back can sway, and the rear end of seat support is provided with a contiguous block 4, has offered 2 circular holes above the contiguous block; Self-locking device 6 is installed in the circular hole, and self-locking device 6 is pressed with a hoodle 12 and forms by placing a spring 10 in the sleeve pipe 11 on spring; Hoodle can move up and down, and offers locating slot 9 in the lower end of the chair back, and hoodle can embed in the locating slot; Can be firm after folding for the chair back is opened, on contiguous block, be provided with stop bit bar 7, also be provided with block 8 in the rear end of the handrail of both sides.

Claims

1. a faldstool is made up of seat support (3), the chair back (1) and handrail (2), and handrail is installed in the both sides of seat support; The chair back is fixed together through a pair of axle (5) and handrail, and described axle is the shoulder bolt that is fixed on handrail, and front end is a screw thread; Can screw in the screw in the handrail; The polished rod of rear end part is as the axle of a rotation, and the chair back can sway, and it is characterized in that also having a contiguous block (4) in the rear end of described seat support; 2 self-locking devices (6) are installed above the contiguous block, offer locating slot (9) in the lower end of the chair back.

2. a kind of faldstool according to claim 1; It is characterized in that described self-locking device (6) is by placing a spring (10) in the sleeve pipe (11); On spring, being pressed with a hoodle (12) forms; Hoodle can move up and down, and sleeve pipe directly inserts in 2 holes offering on the contiguous block (4).

3. a kind of faldstool according to claim 1 and 2 is characterized in that the top of contiguous block is provided with a stop bit bar (7) near the positive position of chair, respectively has a block (8) in the rear end of 2 handrails.