CN2212346Y

CN2212346Y - Sofa with adjustable two-supporting portions

Info

Publication number: CN2212346Y
Application number: CN 94248595
Authority: CN
Inventors: 王周禄
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-12-23
Filing date: 1994-12-23
Publication date: 1995-11-15
Anticipated expiration: 2004-12-23

Abstract

The utility model relates to a double-gear sofa chair, composed of an armrest box, a backrest of the chair, hind legs of the chair, forelegs of the chair, a chair seat, a stop block, a triangle steel plate, a connecting rod, etc. The bottom of the triangle steel plate is riveted with the forelegs of the chair and the hind legs of the chair. The upper end of the triangle steel sheet is connected with the armrest box through the connecting rod. The utility model has the advantages that when a person sits on the chair, the angle of the backrest of the chair can be changed as long as the person slightly raises the armrest of the chair and slightly pulls the armrest of the chair forwards or backwards and then the person slightly presses down, the chair can be well fixed. The double-gear sofa chair is very convenient for using and comfortable for sitting and leaning.

Description

Sofa with adjustable two-supporting portions

The utility model belongs to couch and makes the field.

Background technology of the present utility model is: at present, the seat face of the armchair of selling on the market and back have only an angle, and angle is 95 ° and is suitable for office's use of writing.Not enough point: purposes is single, and the working time is long slightly, is easy to generate fatigue.

Purpose of design of the present utility model is: avoid weak point of the prior art, design a kind of Sofa with adjustable two-supporting portions that can regulate the back angle.

Design of the present utility model: two gear couch are to improve to form on the basis of existing Soft Roll armchair.The chair back of the body is receded again.Not only can be used as couch and use, also can be used for multiple place such as meeting room, audio-video amusement hall and use.Its organization plan: a kind of Sofa with adjustable two-supporting portions, it comprises that the connection of handrail box (1), chair back (6), back post (7), chair foreleg (8), chair (9) and locating part (10) belongs to prior art.One side portion of triangular steel plate (5) bottom and chair foreleg (8) adopt rivet and rotatable, the another side portion and the back post (7) of triangular steel plate bottom adopt two rivets, the upper end of triangular steel plate adopts little axle (4) to be connected with an end of connecting rod (3), and the other end of connecting rod adopts little axle (2) to be connected with handrail box (1).

The utility model is compared with background technology, and the one, by on the basis of existing armchair, set up triangular steel plate and bar linkage structure, its function is increased greatly, realized the purpose of one-object-many-purposes, two are to use conveniently, and the people is sitting on the chair, both hands only need lift armrests gently, spur armrests forward or backward gently, just can change the back angle, and then one press gently downwards, just can fix, the 3rd, seating is comfortable.

Description of drawings:

Fig. 1 is the structural representation of Sofa with adjustable two-supporting portions;

Fig. 2 is the preceding gear schematic diagram of Sofa with adjustable two-supporting portions;

Fig. 3 is the back gear schematic diagram of Sofa with adjustable two-supporting portions.

1～3 pair of the utility model is done with narration in conjunction with the accompanying drawings.

Triangular steel plate 5. with the chair back leg 7. reach foreleg 8. riveting be in the same place, constitute one and stablize the chair frame, 4. a connecting rod 3. end is connected little steel plate by little axle and 5. goes up, 2. the other end is connected the handrail box by little and 1. goes up.Be depicted as preceding gear as figure (2), chair 9. with chair back 6. angle be about 95 °, chair back (6) and ground angle are about 105 °.

During gear, lift the handrail box 1. after the conversion, and gently draw connecting rod 3. 4. to change about 180 ° around little axle backward, 1. the handrail box is driven backward by connecting rod and moves, and 6. the chair back also moves synchronously backward, reaches the conversion gear.Figure (3) is a back gear schematic diagram.This moment chair 9. with backrest 6. angle be about 110 °, chair back (6) and ground angle are about 120 °.

Claims

1, a kind of Sofa with adjustable two-supporting portions, it comprises handrail box (1), chair back (6), back post (7), chair foreleg (8), chair (9) and locating part (10), it is characterized in that: one side portion of triangular steel plate (5) bottom and chair foreleg (8) adopt rivet and rotatable, the another side portion and the back post (7) of triangular steel plate bottom adopt two rivets, the upper end of triangular steel plate adopts little axle (4) to be connected with an end of connecting rod (3), and the other end of connecting rod adopts little axle (2) to be connected with handrail box (1).