CN203234361U

CN203234361U - Chair with armrests

Info

Publication number: CN203234361U
Application number: CN 201320120541
Authority: CN
Inventors: 郑文龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-14
Filing date: 2013-03-14
Publication date: 2013-10-16
Anticipated expiration: 2023-03-14

Abstract

The utility model provides a chair with armrests. The chair is characterized in that a rear leg pipe and a seat pipe are hinged on a front leg pipe; limiting seats are arranged at the ports of the rear leg pipe; the rear leg pipe and the seat pipe are hinged by linkage pipes; a flexible back is sleeved at the upper ends of the front leg pipe; a flexible seat surface is sleeved at the front ends of the seat pipe; rear ends of armrest pipes are hinged with the upper ends of the front leg pipe; armrest seats are fixedly arranged at the front ends of the armrest pipes; and upper ends of armrest supporting pipes are hinged with the armrest seats and lower ends of the armrest supporting pipes are hinged with the seat pipe. The chair has the advantages that a triangular supporting structure formed by the seat pipe, the front leg pipe and the rear leg pipe enables a four-bar mechanism formed by the front leg pipe, the rear leg pipe, the linkage pipes and the seat pipe to achieve a self-locking state to support the seating force of the chair and simultaneously enables a four-bar mechanism formed by the front leg pipe, the seat pipe, the armrest supporting pipes and the armrest pipes to achieve a self-locking state to support the armrest pipes, so that the chair can be used immediately after being unfolded; and therefore the chair has a simple structure, is convenient to operate and is suitable to use in rooms, courtyards, camps and the like.

Description

A kind of chair of Armrest

Technical field

The utility model relates to the chair of a kind of chair, particularly a kind of Armrest.

Background technology

The outdoor chair that the family expenses chair of commonly using at present or garden are used adopts reassembling type or one Welding Structure to be made usually, the chair of reassembling type need to carry out loaded down with trivial details assembling when using, power when relatively expending, particularly when collection, have and to dismantle the smaller volume that just can make chair, and the dismounting back part is more scattered, also is not easy to preserve; Although the welded chair of one does not need dismounting before use, the monomer volume ratio of chair is larger, need to take larger space during collection.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 chair that does not need the Armrest of dismounting.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of chair of Armrest, and it comprises the flexible back side, end cover, handrail tube, seat tubes, linkage tube, nut, rear foot tube, limit base, seat stay pipe, front foot pipe, armrest seat, handrail stay tube, flexible seat surface; It is characterized in that hinged rear foot tube and seat tubes on the front foot pipe, be provided with limit base at the port of rear foot tube; Be hinged by linkage tube between rear foot tube and the seat tubes, be provided with nut at the port of linkage tube; The middle part of seat tubes is provided with the seat stay pipe; The flexible back side is socketed in the upper end of front foot pipe, and the flexible mount surface cover is connected on the front end of seat tubes; The rear end of handrail tube sets firmly the end cover, and is hinged with the front foot pipe upper end, and the front end of handrail tube sets firmly armrest seat; Upper end and the armrest seat of handrail stay tube are hinged, and lower end and seat tubes are hinged.

The forward of described front foot pipe is set to the U-shaped pipe, the support that lands of the bottom of U-shaped pipe, and the openend of U-shaped pipe is socketed the flexible back side, as relying on supporting surface; The laterally disposed of front foot pipe is S shape, guarantees that landing of front foot pipe forms seat depth between support and the backrest dependence.

The forward of described rear foot tube is set to the U-shaped pipe, the support that lands of the bottom of U-shaped pipe, and the port of U-shaped pipe sets firmly limit base and is hinged with front foot pipe; The laterally disposed of rear foot tube is L shaped, makes spacing between front foot pipe and the rear foot tube can guarantee the stability of chair.

Formed quadric chain between described front foot pipe, rear foot tube, linkage tube, the seat tubes, after chair launches, limit base and seat tubes are inconsistent, make between seat tubes, front foot pipe, the rear foot tube to have formed triangular support structure, make the rear quadric chain of taking a seat keep the stationary support state.

Formed quadric chain between described front foot pipe, seat tubes, handrail stay tube, the handrail tube, the handrail function is supported with the expansion of chair, folding with the folding campaign of chair.

The utility model has the advantages that: during use, by by seat tubes, front foot pipe, the triangular support structure that forms between the rear foot tube is fixed the angle between seat tubes and the front foot pipe, thereby make by front foot pipe, rear foot tube, linkage tube, the quadric chain that forms between the seat tubes reaches the power of taking a seat that self-locking state supports chair, cause simultaneously by front foot pipe, seat tubes, the handrail stay tube, form quadric chain between the handrail tube and reached self-locking state supporting armrests pipe, after being launched, can use by chair, 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 schematic perspective view of the present utility model.

Fig. 2 is the structural representation that the utility model uses state.

Fig. 3 is the schematic perspective view in the utility model folding process.

Fig. 4 is the schematic perspective view 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 chair of Armrest, it comprises the flexible back side 1, end cover 2, handrail tube 3, seat tubes 4, linkage tube 5, nut 6, rear foot tube 7, limit base 8, seat stay pipe 9, front foot pipe 10, armrest seat 11, handrail stay tube 12, flexible seat surface 13; It is characterized in that hinged rear foot tube 7 and seat tubes 4 on the front foot pipe 10, be provided with limit base 8 at the port of rear foot tube 7; Be hinged by linkage tube 5 between rear foot tube 7 and the seat tubes 4, be provided with nut 6 at the port of linkage tube 5; The middle part of seat tubes 4 is provided with seat stay pipe 9; The flexible back side 1 is socketed in the upper end of front foot pipe 10, and flexible seat surface 13 is socketed in the front end of seat tubes 4; The rear end of handrail tube 3 sets firmly end cover 2, and is hinged with front foot pipe 10 upper ends, and the front end of handrail tube 3 sets firmly armrest seat 11; The upper end of handrail stay tube 12 and armrest seat 11 are hinged, and lower end and seat tubes 4 are hinged.

With reference to Fig. 2, during use, inconsistent by limit base 8 and seat tubes 4, by seat tubes 4, front foot pipe 10, the triangular support structure that forms between the rear foot tube 7 causes the angle between seat tubes 4 and the front foot pipe 10 to be fixed, thereby cause by front foot pipe 10, rear foot tube 7, linkage tube 5, the quadric chain that forms between the seat tubes 4 reaches the power of taking a seat that self-locking state supports chair, cause simultaneously by front foot pipe 10, seat tubes 4, handrail stay tube 12, form quadric chain between the handrail tube 3 and reached self-locking state supporting armrests pipe 3, at this moment, chair is in the use state after launching.

With reference to Fig. 3, when folding, only need upwards lift seat tubes 4, seat tubes 4 and limit base 8 are separated, at this moment, removed by the rigid triangle supporting construction that forms between seat tubes 4, front foot pipe 10, the rear foot tube 7, cause removing self-locking and moving by the quadric chain that forms between front foot pipe 10, rear foot tube 7, linkage tube 5, the seat tubes 4, removing self-locking by the quadric chain that forms between front foot pipe 10, seat tubes 4, handrail stay tube 12, the handrail tube 3 simultaneously moves together, at this moment, chair is in the folded state.

With reference to Fig. 4, when continuing to fold, continue upwards to lift seat tubes 4, continue to promote to be moved by the quadric chain that forms between front foot pipe 10, rear foot tube 7, linkage tube 5, the seat tubes 4, until seat tubes 4 and the flexible back side 1 are inconsistent, simultaneously, moved by the quadric chain that forms between front foot pipe 10, seat tubes 4, handrail stay tube 12, the handrail tube 3, until folding into front foot pipe 10 upper ends, handrail tube 3 parallels, at this moment, reach the state after folding, the smaller volume of chair is convenient for carrying and transports.

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 chair of an Armrest, it comprises the flexible back side (1), end cover (2), handrail tube (3), seat tubes (4), linkage tube (5), nut (6), rear foot tube (7), limit base (8), seat stay pipe (9), front foot pipe (10), armrest seat (11), handrail stay tube (12), flexible seat surface (13); It is characterized in that the upper hinged rear foot tube (7) of front foot pipe (10) and seat tubes (4), be provided with limit base (8) at the port of rear foot tube (7); Be hinged by linkage tube (5) between rear foot tube (7) and the seat tubes (4), be provided with nut (6) at the port of linkage tube (5); The middle part of seat tubes (4) is provided with seat stay pipe (9); The flexible back side (1) is socketed in the upper end of front foot pipe (10), and flexible seat surface (13) is socketed in the front end of seat tubes (4); The rear end of handrail tube (3) sets firmly end cover (2), and is hinged with front foot pipe (10) upper end, and the front end of handrail tube (3) sets firmly armrest seat (11); The upper end of handrail stay tube (12) and armrest seat (11) are hinged, and lower end and seat tubes (4) are hinged.

2. the chair of a kind of Armrest according to claim 1 is characterized in that the triangular support structure that forms between described seat tubes (4), front foot pipe (10), the rear foot tube (7).

3. the chair of a kind of Armrest according to claim 1 is characterized in that the quadric chain that forms between described front foot pipe (10), rear foot tube (7), linkage tube (5), the seat tubes (4).

4. the chair of a kind of Armrest according to claim 1 is characterized in that described front foot pipe (10), seat tubes (4), handrail stay tube (12), handrail tube have formed quadric chain between (3).