CN2610751Y

CN2610751Y - Lifting regulating chair for preventing student from hunchback

Info

Publication number: CN2610751Y
Application number: CN 03219426
Authority: CN
Inventors: 文乾
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-15
Filing date: 2003-01-15
Publication date: 2004-04-14
Anticipated expiration: 2013-01-15

Abstract

The utility model relates to an anti-crookback lifting adjusting chair, which comprises a backrest, a seat board, a chair constituted by legs and a lifting mechanism, which is characterized in that the lifting adjusting mechanism is a frame which cooperates with the four chair legs which are respectively arranged in four upright chair leg cartridges of the frame, and slide slots and pin slots are arranged on the chair leg cartridge walls. The utility model can conveniently adjust the height of the chair according to the height of the students, and can effectively prevent the crookback caused by the height discomfort of the chair.

Description

The student prevents bow-backed lift adjustment chair

Technical field

The utility model relates to a kind of chair, specifically the anti-bow-backed lift adjustment chair of student.

Background technology

Chinese patent 02218441.4 discloses a kind of lift adjustment chair, and characteristics are: seat makes movable, but injects easily or extract out in the loose slot that is formed by the guide plate that is arranged in parallel by the guide plate freedom and flexibility, reaches the purpose of regulating the lifting height.But its shortcoming is: along with the lifting of movable seat, variation has taken place in the size between seat and the backrest.

Summary of the invention

The utility model provides a kind of student easy to adjust to prevent bow-backed lift adjustment chair.

The concrete structure of the anti-bow-backed lift adjustment chair of this student is: comprise chair and the elevating mechanism be made up of backrest, seat and chair leg, it is characterized in that: the framework of lifting regulating mechanism for cooperating with four chair legs, four chair legs of chair lay respectively in four vertical chair leg tubes of framework; The chair leg barrel of framework is provided with vertical chute, is provided with the cotter way of three above levels, the corresponding alignment pin that is provided with cotter way on the chair leg perpendicular to chute.

The same direction of the preceding back leg barrel of described framework is provided with vertical chute, is provided with the cotter way of 11 levels perpendicular to chute.

Be respectively equipped with support bar between the two chair legs before and after the chair, the sidewall of the front and back two chair leg tubes of corresponding framework is provided with the bar groove.

Be respectively equipped with spring leaf on the same direction of described four chair legs, and spring leaf is positioned at the chair leg tube of framework.

The utility model comprises chair and lifting regulating mechanism, chair is originally as an integral body, and lifting regulating mechanism is positioned at the chair bottom, and the lift adjustment chair has 11 height gears, can regulate chair height easily according to student's height, can prevent effectively that the student is because of the uncomfortable hunchback that causes of seat height.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the chair leg tube cooperation place partial enlarged drawing of chair leg and elevating mechanism.

The specific embodiment

The structure accompanying drawing, the utility model is further described.

Referring to Fig. 1, Fig. 2, this student prevents bow-backed lift adjustment chair, comprises chair and the elevating mechanism be made up of the chair back 1, seat 2 and chair leg 3.Lifting regulating mechanism is the framework 4 that cooperates with four chair legs, and four chair legs of chair lay respectively in four vertical chair leg tubes 5 of framework 4; Have vertical chute 6 on the same direction of preceding back leg tube 5 walls of framework 4, have the cotter way 7 of 11 levels perpendicular to chute, on the chair leg 3 with the cotter way 7 corresponding alignment pins 8 that are provided with.

Be installed with support bar 9 respectively between the two chair legs 3 before and after the chair, have bar groove 10 on the sidewall of the front and back two chair leg tubes 5 of corresponding framework 4.When chair leg 3 was contained in the chair leg tube 5 of lifting regulating mechanism, support bar corrected for 9 liang and is positioned at bar groove 10, sees Fig. 1.

On the same direction of four chair legs 3 spring leaf 12 is installed respectively, and spring leaf 12 is positioned at the chair leg tube 5 of framework, see Fig. 2, when chair leg 3 is contained in the chair leg tube 5 of lifting regulating mechanism, because the effect of spring leaf 12 is stablized chair and cooperating of lifting regulating mechanism.

Claims

1, the anti-bow-backed lift adjustment chair of student, comprise chair and the elevating mechanism formed by backrest, seat and chair leg, it is characterized in that: the framework of lifting regulating mechanism for cooperating with four chair legs, four chair legs of chair lay respectively in four vertical chair leg tubes of framework; The chair leg barrel of framework is provided with vertical chute, is provided with the cotter way of three above levels, the corresponding alignment pin that is provided with cotter way on the chair leg perpendicular to chute.

2, the anti-bow-backed lift adjustment chair of student according to claim 1, it is characterized in that: the same direction of the preceding back leg barrel of described framework is provided with vertical chute, is provided with the cotter way of 11 levels perpendicular to chute.

3, the anti-bow-backed lift adjustment chair of student according to claim 1, it is characterized in that: be respectively equipped with support bar between the two chair legs before and after the chair, the sidewall of the front and back two chair leg tubes of corresponding framework is provided with the bar groove.

4, the anti-bow-backed lift adjustment chair of student according to claim 1 is characterized in that: be respectively equipped with spring leaf on the same direction of described four chair legs, and spring leaf is positioned at the chair leg tube of framework.