CN202775190U

CN202775190U - Folding chair

Info

Publication number: CN202775190U
Application number: CN2012203778872U
Authority: CN
Inventors: 郑雪峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-01
Filing date: 2012-08-01
Publication date: 2013-03-13
Anticipated expiration: 2022-08-01

Abstract

The utility model provides a folding chair. The folding chair mainly comprises a backrest, a front foot pipe, end sleeves, a seat pipe, locating sleeves, sliding sleeves, a rear foot pipe, connecting bases, a cushion and end seals. The folding chair is characterized in that by fixing the cushion on the seat pipe and connecting the seat pipe with the rigid front foot pipe, rigid horizontal bracing force is provided for the cushion to ensure the cushion not to sink during seat; meanwhile, by fixing the connecting bases on the front foot pipe, hinging the connecting bases with the seat pipe, connecting the seat pipe with the sliding sleeves, sleeving the rear foot pipe with the sliding sleeves and hinging the rear foot pipe with the front foot pipe, the front foot pipe, the rear foot pipe and the seat pipe form a variable triangular bracing structure to achieve folding and unfolding of the chair; and the folding chair has a simple structure, is convenient to use and is suitable for outdoor travel and such places as beaches and courtyards.

Description

Folding seat

Technical field

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

Background technology

Chinese patent database discloses the utility model of denomination of invention for " a kind of rest folding chair frame " on August 25th, 2004, and the patent No. is 03217983.9.A kind of rest folding chair frame comprises two forelegs, two back leg component parts, and rear leg assemblies is that telescopic tube assembly comprises sleeve and loop bar, the hinged connection of the upper end of loop bar and foreleg; Two cross bars, the hinged connection of cross bar and foreleg, the hinged connection of rear end and sleeve; Two handrails, handrail middle part and the foreleg hinged connection in middle part, rear end and the sleeve hinged connection in middle part; The first cross members, it comprises two support bars of decussate, the two ends of support bar respectively with the hinged connection in lower end of front end and the foreleg of cross bar; The second cross members, it comprises two support bars of decussate, the two ends of support bar respectively with the upper end of foreleg and the hinged connection in upper end of sleeve.The shortcoming of this folding seat is that two cross bars and the two foreleg assemblies that support seat surface are realized cross-brace by the first cross members and the second cross members of being arranged to X-shaped, when seat surface is received when taking a seat power, the first cross members and the second cross members that support two cross bars and two foreleg groups can rotate, cause seat surface to stay, that takes a seat is comfortable bad, and simultaneously the structure member of folding seat is many, and assembles and expend man-hour, cause cost compare high, be unfavorable for promoting.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 the horizontal fixed support seat of a kind of energy and folding seat simple in structure, easy to assembly.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of folding seat mainly comprises backrest, front foot pipe, end cover, seat pipe, positioning sleeve, sliding sleeve, rear foot tube, Connection Block, cushion, end envelope; It is characterized in that described front foot pipe is a ring pipe, be provided with backrest in the ring pipe upper end, set firmly Connection Block in the lower end of ring pipe; Described rear foot tube is a U-shaped pipe, is provided with two end covers in the upper end of U-shaped pipe, sets firmly positioning sleeve at the middle part of rear foot tube, is provided with sliding sleeve in the positioning sleeve lower end of rear foot tube; The U-shaped pipe of described seat Guan Weiyi root, seat pipe are provided with cushion and end envelope; Described seat pipe is hinged with Connection Block and sliding sleeve respectively, and rear foot tube and front foot pipe are hinged.

In the utility model, described Connection Block is provided with locating slot, hinge hole, matrix, interval trough, cantilever; It is characterized in that the locating slot outside is wrapped up by matrix; Cantilever is connected with matrix phase, forms interval trough between cantilever and the matrix; Two groups of hinge holes penetrate matrix, locating slot and cantilever; Front foot pipe is placed in the locating slot, and is hinged with hinge hole on the matrix; Hinge hole on seat pipe and the cantilever is hinged; Interval trough is the folding rear pre-set space of rear foot tube.

In the utility model, described seat pipe is hinged on the front foot pipe of rigidity, makes a pipe become rigid frame, and effective support seat cushion is bearing when taking a seat power cushion, guarantees that chair frame can not be out of shape.

In the utility model, described sliding sleeve can slippage on rear foot tube.

In the utility model, consisted of variable triangular support structure between described front foot pipe, rear foot tube, the seat pipe.

The utility model has the advantages that: a kind of folding seat, set firmly on the present pipe by cushion, the seat pipe is connected with the front foot pipe of rigidity, and for cushion provides the cross-brace power of rigidity, cushion can not stay when guaranteeing to take a seat; Simultaneously by setting firmly Connection Block in front foot pipe, Connection Block is hinged with the seat pipe, the seat pipe is hinged with sliding sleeve, sliding sleeve is socketed on the rear foot tube, rear foot tube and front foot pipe are hinged, realize the folding of chair and launch by having consisted of variable triangular support structure between front foot pipe, rear foot tube, the seat pipe, therefore the utlity model has simple in structurely, easy to operate, be fit to the sandy beach, camp, the characteristics such as 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 schematic perspective view of the utility model Connection Block.

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 folding seat mainly comprises backrest 1, front foot pipe 2, end cover 3, seat pipe 4, positioning sleeve 5, sliding sleeve 6, rear foot tube 7, Connection Block 8, cushion 9, end envelope 10; It is characterized in that being installed with on the front foot pipe 2 backrest 1 and Connection Block 8; Be installed with end cover 3 and positioning sleeve 5 on the rear foot tube 7; Sliding sleeve 6 is socketed on the rear foot tube 7; Seat pipe 4 is provided with cushion 9 and end envelope 10; Seat pipe 4 is hinged with Connection Block 8 and sliding sleeve 6 respectively, and rear foot tube 7 is hinged with front foot pipe 2.During use, when cushion 9 bears when taking a seat power, seat pipe 4 bears lateral pull and vertical pressure, and lateral pull provides support power by the rigid frame of front foot pipe 2; Vertical pressure provides support by front foot pipe 2 and rear foot tube 7; Since the rear foot tube 7 that is hinged and 2 one-tenth of front foot pipe enter font stressed after, its trend is outer sideway swivel mutually, the angle that namely will drive between front foot pipe 2 and the rear foot tube 7 increases and could realize, by Triangle Principle as can be known, realize that the angle between front foot pipe 2 and the rear foot tube 7 increases, the length of side at rear foot tube 7 places is shortened, because this moment, positioning sleeve 5 limited the slippage of sliding sleeve 6, therefore, by front foot pipe 2, rear foot tube 7, seat pipe 4 triangular support structure that form reach rigid support after taking a seat, simultaneously balance the moment of torsion that produces of all parts, chair is in the use state.

With reference to Fig. 2, described Connection Block 8 is provided with locating slot 81, hinge hole 82, matrix 83, interval trough 84, cantilever 85; It is characterized in that front foot pipe 2 is placed in the locating slot 81, and be hinged with hinge hole 82 on the matrix 83; Hinge hole 82 on seat pipe 4 and the cantilever 85 is hinged; Interval trough 84 is a groove, can hold rear foot tube 7.

With reference to Fig. 3, when folding, then fixing front foot pipe 2 upwards lifts seat pipe 4 first, make by in front foot pipe 2, rear foot tube 7, seat pipe 4 triangular support structure that form, angle between front foot pipe 2 and the seat pipe 4 increases, and has Triangle Principle as can be known, and the length of side at rear foot tube 7 places increases, therefore, sliding sleeve 6 downward slippages, the angle between rear foot tube 7 and the front foot pipe 2 diminishes, and chair is in the folded state.

With reference to Fig. 4, be rotated further seat pipe 4, front foot pipe 2 and seat are managed the angle increase between 4 until reach 180 degree, and at this moment, rear foot tube 7, seat pipe 4, front foot pipe 2 coincidences are in same plane, reach the state after folding, and 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. a folding seat mainly comprises backrest (1), front foot pipe (2), end cover (3), seat pipe (4), positioning sleeve (5), sliding sleeve (6), rear foot tube (7), Connection Block (8), cushion (9), end envelope (10); It is characterized in that being installed with on the front foot pipe (2) backrest (1) and Connection Block (8); Be installed with end cover (3) and positioning sleeve (5) on the rear foot tube (7); Sliding sleeve (6) is socketed on the rear foot tube (7); Seat pipe (4) is provided with cushion (9) and end envelope (10); Seat pipe (4) is hinged with Connection Block (8) and sliding sleeve (6) respectively, and rear foot tube (7) is hinged with front foot pipe (2).

2. a kind of folding seat according to claim 1 is characterized in that described Connection Block (8) is provided with locating slot (81), hinge hole (82), matrix (83), interval trough (84), cantilever (85).

3. the folding seat of a kind of Armrest according to claim 1 is characterized in that the triangular support structure that described front foot pipe (2), rear foot tube (7), seat pipe (4) form.