CN202698434U

CN202698434U - Foldable chair capable of adjusting angle of backrest

Info

Publication number: CN202698434U
Application number: CN2012203778533U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-01
Filing date: 2012-08-01
Publication date: 2013-01-30
Anticipated expiration: 2022-08-01

Abstract

A foldable chair capable of adjusting an angle of a backrest mainly comprises a flexible seat, front supporting pipes, transverse supporting pipes, foot sleeves, rear supporting pipes, a positioning belt, positioning hooks, intermediate connectors and fixing rings; and the foldable chair capable of adjusting the angle of the backrest is characterized in that the front supporting pipes and the rear supporting pipes are intersected and hinged together, the positioning belts are arranged between the front supporting pipes and the rear supporting pipes, so that the angular positioning between the front supporting pipes and the rear supporting pipes can be realized, a triangular mechanism consisting of the front supporting pipes, the rear supporting pipes and the positioning belts can be controlled by adjusting the length of the positioning belts, the angular adjustment between the front supporting pipes and the rear supporting pipes is realized, the adjustment of the flexible seat on the front supporting pipes and the rear supporting pipes can be realized, and finally the angle of the backrest of the foldable chair can be adjusted. The foldable chair is simple in structure, convenient to use and suitable for being used in the fields such as outdoor tours, sandy benches, courtyards and the like.

Description

A kind of folding seat of adjustable backrest angle

Technical field

The utility model relates to a kind of chair, particularly a kind of folding seat of adjustable backrest angle.

Background technology

Chinese patent database discloses the utility model of denomination of invention for " streamlined collapsible chair " on September 3rd, 2008, and the patent No. is 200810023464.9.A kind of streamlined collapsible chair, comprise base frame tube, backing tube, handrail tube, the handrail stay pipe, front cross pipe, rear cross pipe, fabric, the seat frame tube connector, backing tube and base frame tube interconnection, the handrail tube rear end is sleeved on backing tube top by the handrail tube sliding connector, the handrail tube front end is by the handrail pipe box, the base frame tube locating part links to each other with handrail stay pipe top, handrail stay pipe lower end is connected with the backing tube lower end by the pin dish, the base frame tube front end links to each other with front cross pipe top with the U-shaped hinge by the base frame tube connector, the front cross pipe bottom is hinged with the handrail stay pipe by the U-shaped hinge, seat frame tube connector front end is by base frame tube locating part and handrail stay pipe top, the handrail tube front end links to each other, seat frame tube connector rear end and base frame tube front portion are hinged, and rear cross pipe top links to each other with the handrail tube sliding connector by the U-shaped hinge.The shortcoming of this folding seat is that the backing tube and the base frame tube that support fabric are realized cross-brace by front cross pipe and rear cross pipe, when seat surface is received when taking a seat power, front cross pipe and rear cross pipe can rotate, cause seat surface to stay, the comfort level of taking a seat is not good enough, the backrest angle of folding seat is single simultaneously, can not adjust as required the lying posture of different angles, and function ratio is more single.For this point shortcoming, be necessary to make improvements.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model provides a kind of energy located lateral supporting flexible seat surface and can adjust the folding seat of backrest angle.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of folding seat of adjustable backrest angle mainly comprises flexible seat surface, front foot pipe, stull pipe, footmuff, rear foot tube, positioning belt, location hook, transition joint, retainer plate; It is characterized in that described front foot pipe is a U-shaped pipe, the two ends of front foot pipe are respectively equipped with footmuff, are provided with the stull pipe between the footmuff; Rear foot tube is a U-shaped pipe, and the two ends of rear foot tube are installed with respectively footmuff, is provided with the stull pipe between the footmuff; The flexible mount surface cover is connected on front foot pipe and the rear foot tube; The middle part of front foot pipe and rear foot tube is provided with transition joint, and transition joint is hinged together; Be equipped with retainer plate on front foot pipe and the rear foot tube, an end of positioning belt is fixed on the retainer plate on the rear foot tube, and the other end is provided with location hook, and location hook passes retainer plate on the front foot pipe and affixed with front foot pipe.

In the utility model, described retainer plate is hinged with front foot pipe and rear foot tube respectively, and retainer plate can rotate around front foot pipe and rear foot tube.

In the utility model, described stull Guan Weiyi root straight tube, flexible seat surface is arranged on the stull pipe, makes flexible seat surface can keep the cross-brace power of the equilibrium of flexible seat surface in stressed situation, and can not stay to the inside distortion.

Described front foot pipe and stull pipe form rigid frame by footmuff.

Described rear foot tube and stull pipe form rigid frame by footmuff.

In the utility model, described front foot pipe is provided with locating hole I, locating hole II, locating hole III, location hook can with locating hole I, locating hole II, locating hole III phase clasp joint, realize being located by connecting.

In the utility model, described front foot pipe, rear foot tube, positioning belt have formed variable triangle mechanism, cooperate the triangle positioning supports of angle between realization front foot pipe and the rear foot tube by what regulate location hook and locating hole I, locating hole II, locating hole III.

The utility model has the advantages that: arranged in a crossed manner and hinged between front foot pipe and the rear foot tube, by between front foot pipe and rear foot tube, positioning belt being set, thereby realize the angle orientation between front foot pipe and the rear foot tube, and then control by front foot pipe by the length of regulating positioning belt, rear foot tube, the triangle mechanism that positioning belt forms, realize again the angular adjustment between front foot pipe and the rear foot tube, namely realize being arranged on the adjusting of the flexible seat on front foot pipe and the rear foot tube, the final adjusting that realizes the backrest of folding chair angle, therefore the utlity model has simple in structure, easy to operate, be fit to the sandy beach, camp, the characteristics such as the various occasion uses such as garden.

Description of drawings

Fig. 1 is the schematic perspective view under the utility model use state.

Fig. 2 is the structural representation of one of the utility model use state.

Fig. 3 is two the structural representation that the utility model uses state.

Fig. 4 is three the structural representation that the utility model uses state.

Fig. 5 is the structural representation after the utility model folds.

The specific embodiment

Below by specific embodiment, and by reference to the accompanying drawings the technical solution of the utility model is described further.

Embodiment: with reference to Fig. 1, a kind of folding seat of adjustable backrest angle mainly comprises flexible seat surface 1, front foot pipe 2, stull pipe 3, footmuff 4, rear foot tube 5, positioning belt 6, location hook 7, transition joint 8, retainer plate 9; The two ends that it is characterized in that described front foot pipe 2 and rear foot tube 5 are respectively equipped with footmuff 4, are provided with stull pipe 3 between the footmuff 4; Flexible seat surface 1 is socketed on front foot pipe 2 and the rear foot tube 5; The middle part of front foot pipe 2 and rear foot tube 5 is provided with transition joint 8, and transition joint 8 is hinged together; Be equipped with retainer plate 9 on front foot pipe 2 and the rear foot tube 5, an end of positioning belt 6 is fixed on the retainer plate on the rear foot tube 59, and the other end is provided with location hook 7, and location hook 7 passes retainer plate 9 on the front foot pipe 2 and affixed with front foot pipe 2.During use, when flexible seat surface 1 bears when taking a seat power, front foot pipe 2 and rear foot tube 5 bear pressure and torsional forces, and pressure directly passes to ground by footmuff, positioning belt 6 tension balanceds the torsional forces that bears of front foot pipe 2 and rear foot tube 5.Be that chair is in the use state.

With reference to Fig. 2, location hook 7 is hooked in the locating hole III23, and the triangle mechanism that is comprised of front foot pipe 2, rear foot tube 5, positioning belt 6 is balanced under stress, and the angle between front foot pipe 2 and the rear foot tube 5 is realized positioning supports, at this moment, folding seat is in the first use state.

With reference to Fig. 3, location hook 7 is hooked in the locating hole II22, in the triangle mechanism that front foot pipe 2, rear foot tube 5, positioning belt 6 form, the one side at positioning belt 6 places is elongated, therefore the angle between front foot pipe 2 and the rear foot tube 5 increases, the angle of inclination of the front foot pipe 2 of folding seat is increased, and at this moment, folding seat is in the second and uses state.

With reference to Fig. 4, when location hook 7 is hooked in locating hole I21, locating hole II22, the locating hole III23, in the triangle mechanism that front foot pipe 2, rear foot tube 5, positioning belt 6 form, during one side distance changes at positioning belt 6 places, therefore the angle between front foot pipe 2 and the rear foot tube 5 changes, and the angle of inclination of the front foot pipe 2 of folding seat is changed.

With reference to Fig. 5, when folding, after location hook 7 breaks away from locating hole I21, locating hole II22, locating hole III23, in the triangle mechanism that front foot pipe 2, rear foot tube 5, positioning belt 6 form, one side length of side at positioning belt 6 places can be freely elongated, unfettered, therefore the angle between front foot pipe 2 and the rear foot tube 5 changes arbitrarily, when the angle adjustment between front foot pipe 2 and the rear foot tube 5 when spending near 180, front foot pipe 2 and rear foot tube 5 approach and overlap, this moment, folding seat was in flat form, and smaller volume is conveniently transported and carried.

Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims

1. the folding seat of an adjustable backrest angle mainly comprises flexible seat surface (1), front foot pipe (2), stull pipe (3), footmuff (4), rear foot tube (5), positioning belt (6), location hook (7), transition joint (8), retainer plate (9); The two ends that it is characterized in that described front foot pipe (2) and rear foot tube (5) are respectively equipped with footmuff (4), are provided with stull pipe (3) between the footmuff (4); Flexible seat surface (1) is socketed on front foot pipe (2) and the rear foot tube (5); The middle part of front foot pipe (2) and rear foot tube (5) is provided with transition joint (8), and transition joint (8) is hinged together; Be equipped with retainer plate (9) on front foot pipe (2) and the rear foot tube (5), one end of positioning belt (6) is fixed on the retainer plate on the rear foot tube (5) (9), the other end is provided with location hook (7), and location hook (7) passes retainer plate (9) on the front foot pipe (2) and affixed with front foot pipe (2).

2. the folding seat of a kind of adjustable backrest angle according to claim 1 is characterized in that described front foot pipe (2) is provided with locating hole I(21), locating hole II(22), locating hole III(23).

3. the folding seat of a kind of adjustable backrest angle according to claim 1 and 2, it is characterized in that the triangle mechanism that described front foot pipe (2), rear foot tube (5), positioning belt (6) form, and by location hook (7) and locating hole I(21), locating hole II(22), locating hole III(23) cooperate to realize the location.