CN202919581U

CN202919581U - Folding chair

Info

Publication number: CN202919581U
Application number: CN 201220555452
Authority: CN
Inventors: 郑雪峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-29
Filing date: 2012-10-29
Publication date: 2013-05-08
Anticipated expiration: 2022-10-29

Abstract

The utility model relates to a folding chair. The chair mainly comprises connecting holders, a back brace tube, a flexible seat and back surface, front leg tubes, adapting holders, rear leg tubes, seat surface tubes, positioning holders and a seat brace tube, and is characterized in that the flexible seat surface is fixedly arranged on the seat surface tubes and the back brace tube; the seat surface tubes are articulated with a rigid frame composed of the front leg tubes, the back brace tube and the seat brace tube, so as to provide a rigid transverse supporting force for the flexible seat surface, and ensure that the flexible seat surface does not sink when a person is seated; at the same time the rear leg tubes are articulated with the front leg tubes through the adapting holders to form a left-inclining lower-splayed rigid frame landing support; and the seat surface tubes are articulated with the rear leg tubes, and engaged with the positioning holders on the front leg tubes to realize two-point support, so that the chair is in a use state after being unfolded. The folding chair is simple in structure, convenient to use, and is a chair suitable to be used in outdoor tourist spots, sand beaches, yards and like locations.

Description

A kind of 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 Connection Block, back up pipe, the flexible mount back side, front foot pipe, adapter, rear foot tube, seat surface pipe, positioning seat, seat stay pipe; The front foot pipe two ends that it is characterized in that a U-shaped setting set firmly Connection Block, and link together by the back up pipe, have formed the quadrilateral frame of rigidity; The two ends of the rear foot tube of a U-shaped setting set firmly two adapters, and adapter and front foot pipe are hinged; Two positioning seats that be arranged in parallel are installed on front foot pipe, and link together by the seat stay pipe; One end and the rear foot tube of the seat surface pipe of a U-shaped setting are hinged, and the other end is connected on positioning seat; The flexible mount back side is installed on back up pipe and seat surface pipe.

Described adapter is provided with draw-in groove, bayonet socket, hinge hole, locating hole; It is characterized in that adapter is hinged by hinge hole and front foot pipe, front foot pipe is installed in draw-in groove, and the distance between bayonet socket is less than the external diameter of front foot pipe, and rear foot tube is fixed on adapter by locating hole.

Described positioning seat is provided with boss, short slotted eye, fixing hole, deck, long slot bore; It is characterized in that the seat stay pipe is placed in short slotted eye on boss; Front foot pipe is installed in long slot bore, and positioning seat is fixed on front foot pipe by fixing hole; Deck is provided with locating slot and arc Ka Tai, and the seat surface pipe is installed in locating slot, and set arc card platform can make the seat surface pipe can not break away from locating slot under the effect that there is no external force.

The utility model has the advantages that: flexible seat surface is installed on seat surface pipe and back up pipe, the seat surface pipe is hinged with the rigid frame that is comprised of front foot pipe, back up pipe and seat stay pipe, the cross-brace power of rigidity is provided for the flexible mount back side, and when guaranteeing to take a seat, the flexible mount back side can not stay; Simultaneously rear foot tube is hinged by adapter and front foot pipe, the rigid frame that forms the to enter font support that lands, and the seat surface pipe is by being hinged with rear foot tube, and realizes 2 supports by the positioning seat phase clamping on front foot pipe, is in the use state after making the chair expansion; 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 adapter.

Fig. 3 is the schematic perspective view of the utility model positioning seat.

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

Fig. 5 is the schematic perspective view of the utility model folding process.

Fig. 6 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 Connection Block 1, back up pipe 2, the flexible mount back side 3, front foot pipe 4, adapter 5, rear foot tube 6, seat surface pipe 7, positioning seat 8, seat stay pipe 9; The two ends that it is characterized in that front foot pipe 4 set firmly Connection Block 1, and link together by back up pipe 2; The two ends of rear foot tube 6 set firmly adapter 5, and adapter 5 is hinged with front foot pipe 4; Positioning seat 8 is installed on front foot pipe 4, and links together by seat stay pipe 9; One end and the rear foot tube 6 of seat surface pipe 7 are hinged, and the other end is connected on positioning seat 8; The flexible mount back side 3 is installed on back up pipe 2 and seat surface pipe 7.

With reference to Fig. 2, described adapter 5 is provided with draw-in groove 51, bayonet socket 52, hinge hole 53, locating hole 54; It is characterized in that adapter 5 is hinged by hinge hole 53 and front foot pipe 4, front foot pipe 4 is installed in draw-in groove 51, and the distance between bayonet socket 52 is less than the external diameter of front foot pipe 4, and rear foot tube 6 is fixed on adapter 5 by locating hole 54.

With reference to Fig. 3, described positioning seat 8 is provided with boss 81, short slotted eye 82, fixing hole 83, deck 84, long slot bore 85; It is characterized in that seat stay pipe 9 is placed in short slotted eye 82 on boss 81; Front foot pipe 4 is installed in long slot bore 85, and positioning seat 8 is fixed on front foot pipe 4 by fixing hole 83; Deck 84 is provided with locating slot 841 and arc card platform 842, and seat surface pipe 7 is installed in locating slot 841, and set arc card platform 842 can make the seat surface pipe 7 can be from the interior disengaging of locating slot 841 under the effect that there is no external force.

With reference to Fig. 4, during use, rear foot tube 6 is hinged by adapter 5 and front foot pipe 4, when being subject to taking a seat power, angle between rear foot tube 6 and front foot pipe 4 certainly will increase, when on front foot pipe 4 and adapter 5, draw-in groove 51 is inconsistent, limited the increase of the angle between rear foot tube 6 and front foot pipe 4, namely when being subject to taking a seat power, formed self-locking state between rear foot tube 6 and front foot pipe 4, when seat surface pipe 7 and rear foot tube 6 are hinged and seat surface pipe 7 snaps in locating slot 841 on positioning seat 5 when interior, seat surface pipe 7 obtains 2 supports, and chair is in the use state after launching.

With reference to Fig. 5, when folding, first seat surface pipe 7 is upwards lifted, be about to seat surface pipe 7 and rotate counterclockwise around rear foot tube 6, make the locating slot 841 interior disengaging of seat surface pipe 7 from the positioning seat 5, at this moment, chair is in folded state.

With reference to Fig. 6, when continuing to fold, rear foot tube 6 is rotated counterclockwise around front foot pipe 4, until rear foot tube 6 fits with front foot pipe 4, then the rotation seat facial canal 7, seat surface pipe and front foot pipe 4 coincided, at this moment, reach the flat form after folding, the smaller volume of chair is convenient for carrying and transports.

Claims

1. a folding seat, comprise Connection Block (1), back up pipe (2), the flexible mount back side (3), front foot pipe (4), adapter (5), rear foot tube (6), seat surface pipe (7), positioning seat (8), seat stay pipe (9); The two ends that it is characterized in that front foot pipe (4) set firmly Connection Block (1), and link together by back up pipe (2); The two ends of rear foot tube (6) set firmly adapter (5), and adapter (5) is hinged with front foot pipe (4); Positioning seat (8) is installed on front foot pipe (4), and links together by seat stay pipe (9); One end of seat surface pipe (7) and rear foot tube (6) are hinged, and the other end is connected on positioning seat (8); The flexible mount back side (3) is installed on back up pipe (2) and seat surface pipe (7).

2. a kind of folding seat according to claim 1, it is characterized in that adapter (5) is provided with draw-in groove (51), bayonet socket (52), hinge hole (53), locating hole (54), described adapter (5) is hinged by hinge hole (53) and front foot pipe (4), front foot pipe (4) is installed in draw-in groove (51), distance between bayonet socket (52) is less than the external diameter of front foot pipe (4), and rear foot tube (6) is fixed on adapter (5) by locating hole (54).

3. a kind of folding seat according to claim 1, is characterized in that positioning seat (8) is provided with boss (81), short slotted eye (82), fixing hole (83), deck (84), long slot bore (85); It is characterized in that seat stay pipe (9) is placed in short slotted eye (82) on boss (81); Front foot pipe (4) is installed in long slot bore (85), and positioning seat (8) is fixed on front foot pipe (4) by fixing hole (83); Deck (84) is provided with locating slot (841) and arc Ka Tai (842), and seat surface pipe (7) is installed in locating slot (841).