CN2779986Y

CN2779986Y - Rest folding chair

Info

Publication number: CN2779986Y
Application number: CNU2005200077067U
Authority: CN
Inventors: 崔豪洵
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-17
Filing date: 2005-03-17
Publication date: 2006-05-17
Anticipated expiration: 2015-03-17

Abstract

The utility model discloses a leisure folding chair which is mainly composed of a chair frame, chair cloth and armrest cloth, wherein the chair frame is composed of four groups of crossed and pivoted chair seat supporting rods and two chair back leaning rods. The utility model is characterized in that two chair seat supporting rods are also arranged on both sides of a chair seat part of the chair cloth, the front ends of the chair seat supporting rods are pivoted with front pivoting seats of a chair seat and the rear ends of the chair seat supporting rods are pivoted with the chair back leaning rods. The position of the pivoting point of the upper end of a supporting rod which is arranged on the rear side of a chair frame lateral supporting rod group and the chair back leaning rods is higher than the position of the two front pivoting seats of the chair seat, and the position of the pivoting point of the rear ends of the chair seat supporting rods and the chair back leaning rods is as high as the position of the front pivoting seats of the chair seat, or is lower than the position of the front pivoting seats of the chair seat. Because in the chair frame structure of the utility model, the additional arrangement of the chair seat supporting rods can lead the chair seat part of the chair cloth and the chair frame to form line contact. Consequently, the chair cloth has the advantages of firm support and long service life.

Description

Foldable chair

Technical field

The utility model is about a kind of foldable chair.

Background technology

At present common foldable chair is various informative, but the most basic structure is as shown in Figure 1, it is mainly by chair frame 1 ', chair cloth 2 ' and handrail cloth 3 ' constitute, and seat support pole and two chair back rods that chair frame 1 ' is mainly articulated by four groups of intersections constitute, the bottom of one group of two front support rod 11 ' is to be articulated on the chair pin two preceding pin joint seat A ', and its upper end is to extend the fulcrum that seat support two preceding pin joint seats form handrail cloth, two poles, the 12 ' bottom of two groups of side poles is to be articulated in respectively on preceding pin joint seat A ' of chair pin and the back pin joint seat B ', and its upper end is to be articulated in respectively on preceding pin joint seat C ' of seat support and the back pin joint seat D ', the bottom of one group of two back stay 13 ' is to be articulated on the back pin joint seat B ' of chair pin, and its upper end is to be articulated on the back pin joint seat D ' of seat support; The bottom of two chair back rods 14 ' is to be fixed on the chair pin two back pin joint seat B ', and its upper end is that pin joint seat D ' forms the chair cloth chair back two fulcrums partly after passing two seat supports; The seat support of chair cloth partly is to be fixed in four of seat support to articulate on C ', the D ' seat, and the chair back of chair cloth partly is to be placed on the chair back rod 14 '; The front end of handrail cloth 3 ' is the upper end that is placed on chair frame front support rod 11 ', and its rear end is to be fixed on the chair back rod 14 '.So just form leisure chaise longue with folder function.

But the folding seat of said structure, seat support chair cloth partly is to rely on four pin joint seats to carry out a little fixing fully, so makes the service life of chair cloth influenced; In addition, its chair back rod and seat support are in vertical state substantially, and the human body seat is to have certain elevation angle on chair, after being corner dimension 90 degree between the chair back and the seat support, health just can be in relaxation state, therefore after this leisure chaise longue launched, the setting of its seat support and chair back angle was seated and can feels comfortable inadequately not in full conformity with the requirement of personal engineering.

The utility model content

Main purpose of the present utility model provides a kind of foldable chair of firm supporting.

Secondary objective of the present utility model provides a kind of chair back pole and seat support of making and forms certain elevation angle, makes user's more comfortable foldable chair that is seated.

For achieving the above object, solution of the present utility model is: a kind of foldable chair, it is mainly by the chair frame, chair cloth and handrail cloth constitute, the chair frame is made of seat support pole and two chair back rods that four groups of intersections articulate, wherein also be provided with two seat support poles in the seat support both sides partly of chair cloth, the front end of this seat support pole is to be articulated on the preceding pin joint seat of seat support, the rear end is to be articulated on the chair back rod, and the position of the upper end of the rear side pole of chair frame side pole group and the pivoting point of chair back rod is the position that is higher than seat support two preceding pin joint seats, the pivoting point that above-mentioned seat support props up rod rear end and chair back rod be with seat support before the position of pin joint seat contour or be lower than the position of pin joint seat before the seat support.

The bottom of two chair back rods of described chair frame is to be articulated on the slide, this slide is to be nested with in the rear side pole bottom of seat support side pole group also can slide thereon, and the pivoting point that intersects of this rear side pole and front side pole is the anterior position that is positioned at rear side pole mid point, the upper end of front side pole is to be articulated on the chair back rod, and the position of this pivoting point is higher than the position of the preceding pin joint seat of seat support; The seat support of chair cloth front end partly is to be fixed on the preceding pin joint seat of seat support, and the rear end of seat support part is to be fixed on the chair back rod, the position of this fixing point be with seat support before the horizontal plane of pin joint seat pin joint seat or before being lower than at a horizontal plane; The front end of handrail cloth is the upper end that is fixed on the front support rod of chair frame, and the rear end of handrail cloth is to be placed on that backrest pole is gone up and spacing by the pivoting point of front side pole and chair back rod.

The bottom of the rear side pole of described chair frame side pole group is to form decurved arc.

The upper end of the front side pole of described chair frame side pole group is to be articulated on the pin joint seat, this pin joint seat is to be placed on the chair back rod, the upper end of two poles of back stay group is to be articulated on this pin joint seat, and the lower end of two poles of back stay group is to be articulated on the slide of chair back rod bottom.

After adopting such scheme, because in the chair shelf structure of the present utility model, the adding of seat support pole, the seat support that can make chair cloth partly with between the chair frame forms line and contact, so the support of chair cloth is more firm, longer service life.

The lower end of chair back rod is to be articulated on the slide in the chair frame in addition, and this slide is the sliding rear side pole bottom that places side pole group, this position is the position that is higher than the preceding pin joint seat of chair pin, seat support rear end partly is to be fixed on the chair back rod simultaneously, cooperate each pole pin joint seat simultaneously not in same plane, when chair launches, the angle that chair back rod and seat support form is greater than 90 degree, commonly use the plumbness of the chair back and seat support in the product relatively, people are when sitting thereon, back can be in relaxation state, and therefore Chair structure of the present utility model more meets the requirement of ergonomics, and it is more comfortable that people are seated.

Description of drawings

Fig. 1 is a schematic perspective view of commonly using product;

Fig. 2 is a schematic perspective view of the present utility model;

Fig. 3 is a side view of the present utility model;

Fig. 4 is the partial enlarged drawing of Fig. 3;

Fig. 5 is a folding action diagram of the present utility model.

The specific embodiment

Shown in Fig. 2,3,4, foldable chair of the present utility model, it is to be made of chair frame 1, chair cloth 2 and handrail cloth 3 equally;

Chair frame 1 comprises front support rod group 11, both sides pole group 12, back stay group 13 and two chair back rods 14, and key of the present utility model is: also be equipped with two seat support poles 15;

After two poles of front support rod group 11 intersection articulated, the bottom of two poles was to be articulated on the two chair pin pin joint seat A, and its upper end is the fulcrum that passes two shapes, two handrail cloth behind the two seat support pin joint seat C; After the two poles intersection in the both sides pole group 12 articulates, the upper end of front side pole 121 is to be articulated on the preceding pin joint seat C of seat support, and its underpart is to form decurved arc, the lower end of rear side pole 122 is to be articulated on the preceding pin joint seat A of chair pin, the upper end is on the pin joint seat D that is articulated on the chair back rod 14, the position of this pin joint seat D is to be higher than the preceding pin joint seat C of seat support, front side pole 121 is the place aheads that are positioned at front side pole 121 mid points with the pivoting point 123 of rear side pole 122 in addition, but is on the mid point of rear side pole 122; The lower end of two chair back rods 14 is to be articulated on the slide B, this slide B is placed on the bottom of front side pole 121 and can slides on front side pole 121, and the upper end of chair back rod 14 is to pass two fulcrums that form the chair back behind the pin joint seat D of rear side pole 122 upper ends; After two poles of back stay 13 intersection articulated, the upper end was on the pin joint seat D that is articulated on the chair back rod 14, and the lower end is to be articulated on the slide B of chair back rod 14 lower ends; The front end of seat support pole 15 is to be articulated on the preceding pin joint seat C of seat support, and its rear end is to articulate on the chair back rod 14, its pivoting point E be with seat support before the horizontal plane of pin joint seat C pin joint seat C or before being lower than at a horizontal plane, this two seat supports pole 15 is to be placed on chair cloth 2 seat supports two side positions partly.

The seat support of chair cloth 2 front end partly is to be fixed on the preceding pin joint seat C of seat support, seat support rear end partly be the two seat support poles 15 that are fixed on chair back rod 14 with the pivoting point E of chair back rod 14 on, and the chair back of chair cloth 2 top partly is the upper end that is placed on chair back rod 14.

The front end of handrail cloth 3 is the upper ends that are fixed on the front support rod group 11 of chair frame 1, and the rear end of handrail cloth is to be placed on the backrest pole 14 and spacing with the pin joint seat D of chair back rod 14 by rear side pole 122.

Cooperate diagram, when chair of the present utility model launches, because the rear side pole 122 of side pole group 12 is the top that is in the preceding pin joint seat C of seat support with the position of the pin joint seat D of chair back rod 14, simultaneously the below of chair back rod 14 is to be nested with lower position the front support rod 121 of side pole group 12 by a slide B, and this cover seated position is the position that is higher than the preceding pin joint seat A of chair pin, and the rear end that cooperates the seat support of chair cloth 2 be fixed on position on the chair back rod 14 be lower than before the seat support pin joint seat C or with seat support before pin joint seat C on same horizontal plane, therefore in the chair shelf structure, chair back rod 14 can be spent greater than 90 with the angle of seat support form, be that the chair back has an elevation angle, so chair more meets the requirement of ergonomics, people's backrest when being seated can be in relaxation state, and being seated can be more comfortable; Because the setting of chair pole 15 makes chair back rod 14 can be subjected to pining down of seat support pole 15, make chair frame 1 more firm in addition, simultaneously seat support is also had the effect that a reinforcement is supported.

As shown in Figure 5, when foldable chair of the present utility model carried out folding, because the pivot joint effect of each pole, the slide B that articulates of chair back rod 14 lower ends can so just can realize the function that chair frame 1 folds along the front side pole 121 of side pole group 12 to lower slider in addition.

Claims

1, a kind of foldable chair, it is mainly by the chair frame, chair cloth and handrail cloth constitute, the chair frame is made of seat support pole and two chair back rods that four groups of intersections articulate, it is characterized in that: the seat support both sides partly at chair cloth also are provided with two seat support poles, the front end of this seat support pole is to be articulated on the preceding pin joint seat of seat support, the rear end is to be articulated on the chair back rod, and the position of the upper end of the rear side pole of chair frame side pole group and the pivoting point of chair back rod is the position that is higher than seat support two preceding pin joint seats, the pivoting point that above-mentioned seat support props up rod rear end and chair back rod be with seat support before the position of pin joint seat contour or be lower than the position of pin joint seat before the seat support.

2, foldable chair as claimed in claim 1, it is characterized in that: the bottom of two chair back rods of chair frame is to be articulated on the slide, this slide is to be nested with in the rear side pole bottom of seat support side pole group also can slide thereon, and the pivoting point that intersects of this rear side pole and front side pole is the anterior position that is positioned at rear side pole mid point, the upper end of front side pole is to be articulated on the chair back rod, and the position of this pivoting point is higher than the position of the preceding pin joint seat of seat support; The seat support of chair cloth front end partly is to be fixed on the preceding pin joint seat of seat support, and the rear end of seat support part is to be fixed on the chair back rod, the position of this fixing point be with seat support before the horizontal plane of pin joint seat pin joint seat or before being lower than at a horizontal plane; The front end of handrail cloth is the upper end that is fixed on the front support rod of chair frame, and the rear end of handrail cloth is to be placed on that backrest pole is gone up and spacing by the pivoting point of front side pole and chair back rod.

3, foldable chair as claimed in claim 2 is characterized in that: the bottom of the rear side pole of chair frame side pole group is to form decurved arc.

4, foldable chair as claimed in claim 2, it is characterized in that: the upper end of the front side pole of described chair frame side pole group is to be articulated on the pin joint seat, this pin joint seat is to be placed on the chair back rod, the upper end of two poles of back stay group is to be articulated on this pin joint seat, and the lower end of two poles of back stay group is to be articulated on the slide of chair back rod bottom.