CN201577847U

CN201577847U - Folding mechanism of foldable chair

Info

Publication number: CN201577847U
Application number: CN2009203174175U
Authority: CN
Inventors: 陈礼斌; 周丰雨
Original assignee: CHANGZHOU QIAOYU TOURIST PRODUCTS Co Ltd
Current assignee: CHANGZHOU QIAOYU TOURIST PRODUCTS Co Ltd
Priority date: 2009-12-15
Filing date: 2009-12-15
Publication date: 2010-09-15
Anticipated expiration: 2019-12-15

Abstract

The utility model relates to a folding mechanism of a foldable chair, which is provided with supporting leg pipes, slidable connecting pipes and rotational connecting pipes. Each slidable connecting pipe is hinged with the middle portion of the corresponding rotational connecting pipe, each supporting leg pipe is provided with a sliding part and a rotational connecting part, hinged positions of the slidable connecting pipes and the rotational connecting pipes are respectively rotationally connected with a manual auxiliary pipe and a manual pipe, and the manual auxiliary pipe is hinged with the front portion of the manual pipe. The foldable chair can be folded and unfolded by pulling the manual pipe, is convenient in operation, and is folded and unfolded in place. The front end of the manual pipe is provided with a limiting clamp groove, a limiting column is arranged at a position of the manual auxiliary pipe corresponding to the limiting clamp groove, and after being unfolded, the foldable chair can be locked and limited simultaneously, thereby reducing fabric stress, and effectively prolonging service life without affecting appearances thereof. In addition, the folding mechanism can be provided with handrails and a backrest which do not occupy space when folded, and is reasonable in design and high in practicality.

Description

A kind of fold mechanism of folding seat

Technical field

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

Background technology

At present, the tourism that people use always, leisure mostly adopt pipe support, lining to connect with folding seat, pipe support closes up when packing up, lining is amounted to, and pipe support struts lining when opening, and relies on lining that pipe support is carried out tractive and limits, there is following shortcoming in the folding seat of this structure: the one, when folding seat is packed up, pipe support is comparatively loose, limits or binding as no external force, decontrols voluntarily easily; The 2nd, indefinite structure when opening mostly relies on lining to limit, and lining is stressed bigger, damaged easily, also has spacing hook is set, and folding seat is opened the back and limited by spacing hook, but operation is very inconvenient, and influences the attractive in appearance of folding seat; Three, the chair folding seat volume of this class formation is big, is inconvenient to carry or transport.

The utility model content

The purpose of this utility model is to provide a kind of folding convenient, can fix the fold mechanism of spacing folding seat.

The technical scheme that realizes the utility model purpose is: a kind of fold mechanism of folding seat, has left spike pipe, right spike pipe, a pair of left slip nipple, a pair of right slip nipple, a pair of left-hand rotation pipe and a pair of right-hand rotation pipe that is dynamically connected that is dynamically connected, each left slip nipple and the corresponding left-hand rotation pipe middle part that is dynamically connected is hinged, and each right slip nipple and corresponding right-hand rotation are hinged in the middle part of being dynamically connected and managing; Be equipped with sliding part on described left spike pipe and the right spike pipe, each left slip nipple is hinged with corresponding right slip nipple opposite end, and the other end is fixedly connected with corresponding sliding part respectively; Described left spike pipe, right spike pipe upper end are equipped with rotating connector, each turn left to be dynamically connected pipe and corresponding right-hand rotation are dynamically connected, and to manage the opposite end hinged, the other end is hinged with corresponding rotating connector respectively, left side slip nipple and left-hand rotation hinged place, pipe middle part manual auxiliary tube, right slip nipple and right-hand rotation hinged place, the pipe middle part manually pipe that is rotationally connected that is dynamically connected that is rotationally connected that is dynamically connected, manually auxiliary tube is with manually to manage the front portion hinged.

The manual pipe front end of the fold mechanism of above-mentioned a kind of folding seat is provided with spacing draw-in groove, and manually auxiliary tube and spacing draw-in groove corresponding position are provided with limited post.

The manual pipe front end of the fold mechanism of above-mentioned a kind of folding seat connects the flat metalwork, and described spacing draw-in groove is arranged on the flat metalwork.

Left spike pipe, the right spike pipe of the fold mechanism of above-mentioned a kind of folding seat are respectively equipped with handrail tube, and the handrail tube two ends are rotated and are arranged on the corresponding rotating connector.

Backing tube is rotationally connected on the handrail tube of the fold mechanism of above-mentioned a kind of folding seat.

The left slip nipple of the fold mechanism of above-mentioned a kind of folding seat is hinged with corresponding right slip nipple opposite end, turn left to be dynamically connected pipe and corresponding right-hand rotation are dynamically connected manages that the opposite end is hinged to be connected realization by articulated elements.

The utlity model has following characteristics: (1) the utility model can be realized the folding and unfolding of folding seat by pulling manual pipe, and easy to operate, folding and unfolding puts in place; (2) the utility model is manually managed front end and is provided with spacing draw-in groove, and manually auxiliary tube and spacing draw-in groove corresponding position are provided with limited post, can lock spacingly after folding seat is opened simultaneously, and it is stressed to have reduced lining, has effectively prolonged product service life, and has not influenced outward appearance; (3) the utility model also rotates and is provided with handrail tube and backing tube, and handrail and backrest can be installed, but does not take up space when packing up, and is reasonable in design, the practicality height.

Description of drawings

For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein

Fig. 1 is a structural representation of the present utility model;

Fig. 2 adds the structural representation of handrail tube and backing tube for the utility model;

Fig. 3 manually manages the structural representation of the spacing draw-in groove of front end for the utility model;

Fig. 4 is the structural representation of the utility model articulated elements;

Fig. 5 packs up schematic diagram in the process for the utility model;

Fig. 6 is the structural representation of the utility model after packing up;

Fig. 7 is the structural representation of embodiment 2 for this practicality.

The specific embodiment

(embodiment 1)

See Fig. 1 to Fig. 4, the utlity model has left spike pipe 1, right spike pipe 1 ', a pair of left slip nipple 2, a pair of right slip nipple 2 ', a pair of left-hand rotation pipe 3 and a pair of right-hand rotation pipe 3 ' that is dynamically connected that is dynamically connected, left side spike pipe 1, right spike pipe 1 ' are " U " shape pipe that forms with the pipe bending, each left slip nipple 2 and corresponding left-hand rotation pipe 3 middle parts that are dynamically connected are hinged, and each right slip nipple 2 ' and corresponding right-hand rotation are hinged in the middle part of being dynamically connected and managing 3 '; Be equipped with sliding part 4 on a left side spike pipe 1 and the right spike pipe 1 ', it is hinged that articulated elements 9 is passed through in each left slip nipple 2 and corresponding right slip nipple 2 ' opposite end, and the other end is fixedly connected with corresponding sliding part 4 respectively; Described left spike pipe 1, right spike pipe 1 ' upper end are equipped with rotating connector 5, each turn left to be dynamically connected pipe 3 and corresponding right-hand rotation are dynamically connected and manage 3 ' opposite end to pass through articulated elements 9 hinged, the other end is hinged with corresponding rotating connector 5 respectively, and left slip nipple 2 is hinged with corresponding right slip nipple 2 ' opposite end, turn left to be dynamically connected pipe 3 and corresponding right-hand rotation are dynamically connected manages that 3 ' opposite end is hinged to be connected realization by articulated elements 8; Left side slip nipple 2 and left-hand rotation pipe hinged place, 3 middle part manual auxiliary tube 6, right slip nipple 2 ' and right-hand rotation hinged place, pipe 3 ' the middle part manually pipe 6 ' that is rotationally connected that is dynamically connected that is rotationally connected that is dynamically connected, manually auxiliary tube 6 is " U " shape pipe that forms with the pipe bending with manual pipe 6 ', and manually auxiliary tube 6 and manual pipe 6 ' are anterior hinged; Manually pipe 6 ' front end is provided with spacing draw-in groove 61 ', manually auxiliary tube 6 is provided with limited post 61 with spacing draw-in groove 61 ' corresponding position, manually pipe 6 ' front end connects the flat metalwork, described spacing draw-in groove 61 ' is arranged on the flat metalwork, left side spike pipe 1, right spike pipe 1 ' are respectively equipped with handrail tube 7, " U " shape pipe of handrail tube 7 for forming with the pipe bending, two ends are rotated and are arranged on the corresponding rotating connector 5, and backing tube 8 is rotationally connected on the handrail tube 7.

(embodiment 2)

See Fig. 7, described each left slip nipple 2 and corresponding right slip nipple 2 ' opposite end are directly hinged by rivet, and each turn left to be dynamically connected pipe 3 and corresponding right-hand rotation are dynamically connected and manage 3 ' opposite end to pass through rivet directly hinged, and all the other are with embodiment 1.

Claims

1. the fold mechanism of a folding seat, has left spike pipe (1), right spike pipe (1 '), a pair of left slip nipple (2), a pair of right slip nipple (2 '), a pair of left-hand rotation pipe (3) and a pair of right-hand rotation pipe (3 ') that is dynamically connected that is dynamically connected, each left slip nipple (2) and corresponding left-hand rotation pipe (3) middle part that is dynamically connected is hinged, and each right slip nipple (2 ') and corresponding right-hand rotation are dynamically connected hinged in the middle part of the pipe (3 '); It is characterized in that: be equipped with sliding part (4) on described left spike pipe (1) and the right spike pipe (1 '), each left slip nipple (2) is hinged with corresponding right slip nipple (2 ') opposite end, and the other end is fixedly connected with corresponding sliding part (4) respectively; Described left spike pipe (1), right spike pipe (1 ') upper end are equipped with rotating connector (5), each turn left to be dynamically connected pipe (3) and corresponding right-hand rotation pipe (3 ') opposite end that is dynamically connected is hinged, the other end is hinged with corresponding rotating connector (5) respectively, left side slip nipple (2) and left-hand rotation hinged place, pipe (3) middle part manual auxiliary tube (6), right slip nipple (2 ') and right-hand rotation hinged place, pipe (3 ') the middle part manually pipe (6 ') that is rotationally connected that is dynamically connected that is rotationally connected that is dynamically connected, manually auxiliary tube (6) is with manually to manage (6 ') front portion hinged.

2. the fold mechanism of a kind of folding seat according to claim 1, it is characterized in that: described manual pipe (6 ') front end is provided with spacing draw-in groove (61 '), and manually auxiliary tube (6) is provided with limited post (61) with spacing draw-in groove (61 ') corresponding position.

3. the fold mechanism of a kind of folding seat according to claim 2 is characterized in that: described manual pipe (6 ') front end connects the flat metalwork, and described spacing draw-in groove (61 ') is arranged on the flat metalwork.

4. according to the fold mechanism of one of them described a kind of folding seat of claim 1 to 3, it is characterized in that: described left spike pipe (1), right spike pipe (1 ') are respectively equipped with handrail tube (7), and handrail tube (7) two ends are rotated and are arranged on the corresponding rotating connector (5).

5. the fold mechanism of a kind of folding seat according to claim 4, it is characterized in that: backing tube (8) is rotationally connected on the described handrail tube (7).

6. the fold mechanism of a kind of folding seat according to claim 4 is characterized in that: described left slip nipple (2) is hinged with corresponding right slip nipple (2 ') opposite end, the pipe (3) that turns left to be dynamically connected is dynamically connected with corresponding right-hand rotation, and pipe (3 ') opposite end is hinged to be connected realization by articulated elements (9).