CN2667971Y

CN2667971Y - Foldable chair

Info

Publication number: CN2667971Y
Application number: CNU2003201213356U
Authority: CN
Inventors: 孔永喆
Original assignee: Jinuosi Xiamen Light Industry Product Co Ltd
Current assignee: Jinuosi Xiamen Light Industry Product Co Ltd
Priority date: 2003-12-12
Filing date: 2003-12-12
Publication date: 2005-01-05
Anticipated expiration: 2013-12-12
Also published as: US20050127721A1

Abstract

The utility model discloses a foldable chair, comprising a chair support and a chair seat. The connection between the chair support and the chair seat is demountable; the chair support comprises the front and rear chair legs, and the side supporters; the front and rear chair legs of the chair support are both made by reversely postioning U-shaped tubes; two sides of U-shaped tubes are the chair leg tubes; the side supporters comprising the U-shaped tubes are respectively pivoted between the front and rear chair leg tubes; the pivoted point is provided with a connecting sleeve which is fixedly connected with chair leg tubes; two ends of side supporters are respectively inserted and sheathed into the connecting sleeve fixedly connected with the front and rear chair legs; the end of the side supporter is provided with a positioning spring buckle; a slideway for the movement of the spring buckle is correspondingly arranged on the connecting sleeve and is horizontally provided along the tube wall of the connecting sleeve. After adopting the structure, the spring buckle of the end of the side supporter is matched with the slideway of the connecting sleeve, so that the side supporter and the front and rear chair legs can be disassembled and assembled very conveniently to shorten the package volume of the folding chair and save the package and transportation cost of the folding chair.

Description

A kind of folding chair

Technical field

The utility model belongs to the furniture daily living article, particularly relates to a kind of folding chair that is convenient to packed and transported.

Background technology

Chair is one of the most widely used household goods in our daily life, no matter is at family room or in the office space, or is in all kinds of public arenas that people can see the shadow that it is used.It is fixed that traditional chair mostly is framework greatly, its effect just is to provide the seat for people, because of it can't carry out folding, that gives people carries and collects that to have caused many inconvenience, folding seat be a kind of of chair, because it has folded property, be easy to carry very much, and the chair volume-diminished only takies little collection space after the folding, also is convenient to very much collection, and very popular.The use of folding seat is very extensive, after significantly improving as present living standards of the people, big having increased of the National People's Congress of the stress-relieving activities such as participating in tourism or camp outside effect of going out is when going out, people often utilize the being easy to carry property of folding seat, as the apparatus that bait is provided; For another example after the rapid economy development, make that many big assembly activities such as exhibition and sale of products news conference, large-scale corroboree, news briefing etc. are more and more, because folding seat is convenient to move and collect, folding seat is used in these provisional large-scale activities especially in large quantities.Existing a kind of folding seat, it is to adopt U type pipe as the chair support, before being made as after two U type pipes inversions wherein, back leg, land with the end of U type pipe and to support, preceding, support with the side of U type pipe more respectively between the chair leg pipe of back leg and articulate, make the chair support form the quadric chain that is hinged, mutual rotation by the hinged place, can realize the expansion and the folding of chair support, on nested again on the chair support behind the seat support, just form a folding chair, after this kind chair launches, support comparatively firm, the U type Guan Yuqian of its sidepiece in folding seat, the place of being articulated between the back leg U type pipe adopts an adapter sleeve to realize, before promptly adapter sleeve is fixed in, on the chair leg pipe of back leg, and adopt the blind rivet mode to be articulated on the adapter sleeve end that side supports U type pipe, make to form rotatable being fixedly connected between side support and the adapter sleeve, so just can realize folding.But the folding seat of this kind structure is owing to be to adopt the blind rivet mode that the end of the U type pipe of side support is articulated on the adapter sleeve, make and to dismantle between side support and the forward and backward chair leg, in the time will carrying out packed and transported, can only be to carry out packed and transported after folding seat is folded, this has just caused packaging volume excessive, can take more space, and then freight volume is reduced relatively, be unfavorable for very much the packed and transported of product; On the other hand, the folding seat of existing this kind structure, its seat support, the chair back all are to adopt blowing to be made, equally also be to cause volume excessive, and then have caused the inconvenience of packing, transportation.

The utility model content

The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of side to support the faldstool of can be easily dismantling mutually or assembling with forward and backward chair leg, make folding seat can realize carrying out packed and transported with smaller volume, so realize transportation quantity increase the decline of packing cost.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of folding chair, comprise chair support, seat support, between chair support and the seat support for detachably linking; The chair support includes forward and backward chair leg and side supporter, and its forward and backward chair leg is the inversion of U type pipe and forms, and two kinks of U type pipe constitute chair leg pipe, and the end lands and is used to support; Between the chair leg pipe of forward and backward chair leg, be articulated with the side supporter that constitutes by U type pipe respectively, its articulated section is provided with adapter sleeve, adapter sleeve and chair leg pipe fixedly link, the both ends of side supporter respectively sleeve in forward and backward chair leg in the affixed adapter sleeve, the end of side supporter is provided with the snak link that is used to locate, the corresponding chute that can provide snak link to move that is provided with on adapter sleeve, chute is laterally established along the adapter sleeve tube wall.

Described side supporter also can be made of upper and lower support U type pipe, its upper and lower support U type pipe becomes relative mode to be plugged in the upper and lower part of adapter sleeve, the end of upper and lower support U type pipe splicing position is provided with the snak link that is used to locate, the chute that can provide snak link to move is provided each correspondence in the upper and lower part of adapter sleeve, and chute is laterally established along the adapter sleeve tube wall.

The joint of described side supporter end and the adapter sleeve garment bag of also pegging graft, the outer wall of garment bag and the inwall of adapter sleeve be cover tightly mutually, and side supporter end is plugged in the garment bag.

Described seat support is the plate of a monomer structure that is made by injection moulding, and a groove is established in the bottom of plate, is provided with many reinforcement in the groove.

Described folding seat also comprises and is provided with the chair back, and the chair back is fixed on the back support bar, and back support bar is a U type pipe, and back support bar is fixed on the back leg; The chair back is the plate of a monomer structure that is made by injection moulding, and a groove is established in the bottom of plate, is provided with many reinforcement in the groove.

The chair leg pipe bottom of described forward and backward chair leg also is provided with sleeve pipe of the scalable end, and chair leg pipe bottom is provided with the snak link that can be used for locating, corresponding several selectable snap-on holes that is provided with on end sleeve pipe.

Also can be connected with bracing piece in the U type mouth of described forward and backward chair leg or side supporter.

Described forward and backward chair leg, side supporter, adapter sleeve are steel pipe and constitute, and adopt welding to fix between forward and backward chair leg and the adapter sleeve.

Sleeve pipe of the described end is an aluminum pipe, but the bottom of chair leg pipe or end sleeve pipe also attaching the end cover that plastic cement makes is arranged.

The place of linking between described chair support and the seat support also is provided with fixture block, and fixture block is fixed in seat bottom, or forms one with seat support.

In the use, when needs carry out packed and transported with folding seat, each U type pipe of forming folding seat can be stacked together mutually, together with seat support or comprise that the chair back packs, like this, frame mode with respect to the past, can reduce the volume of its packing greatly, and the material of packing, the quantity of transportation can be increased, after arrival makes land used, the snak link of side supporter end is pressed, before its both ends are inserted respectively, back leg in the affixed adapter sleeve, when snak link moves to the chute of adapter sleeve, snak link outwards ejects, just in time holding the side supporter can not be moved up and down along adapter sleeve, and snak link can move along the chute of adapter sleeve in chute, the side supporter can rotate with respect to adapter sleeve like this, has then finished the assembling of chair support.When folding seat will be used, before formation pivot joint relation, back leg, the side supporter launches to constitute the chair support that struts, in the expansion process, rotate in adapter sleeve the termination of side supporter, snak link moves in chute, at this moment, snak link is shifted to a side along the chute of adapter sleeve, again the fixture block of seat support is stuck in the corresponding position of chair support, a folding seat of launching, can be used, before it, the chair leg pipe bottom of back leg also is provided with the scalable end during sleeve pipe, utilize matching between the snak link that can be used for locating that chair leg pipe bottom is provided with and several selectable snap-on holes that end sleeve pipe is provided with, can realize the adjusting of folding seat height.When folding seat will fold, seat support is taken off, utilize the pivot joint relation between forward and backward chair leg, the side supporter can realize the folding of chair support, at this moment, snak link is shifted to opposite side along the chute of adapter sleeve.In the time folding seat will being carried out the carrying of longer distance, available hand is pushed the snak link of downside supporter end, and side supporter end can be taken out from adapter sleeve, forms several U type pipe fittings of dismounting, can be convenient to packed and transported.

The beneficial effects of the utility model are, owing to adopted in the end of side supporter and be provided with the snak link that is used to locate, by its with adapter sleeve on matching between the chute that moves of corresponding the provided snak link that is provided with, make and to realize dismounting and assembling between side supporter and the adapter sleeve very easily, because adapter sleeve is before being fixed in, on the back leg, then make the side supporter with before, can realize dismounting and assembling between the back leg very easily, the side supporter with before, after back leg is realized dismounting, each U type pipe can be stacked together, parking space is reduced greatly, in the packed and transported process of folding seat, can save packaging material and relative increase transportation quantity; Owing to adopted the seat support and the chair back made by injection moulding, make the plate that constitutes the seat support and the chair back can do thinlyyer, parking space is reduced, in the packed and transported process, also can save packaging material and relative increase transportation quantity; The garment bag owing to also peg graft in the joint of side supporter end and adapter sleeve, the outer wall of garment bag tightly overlaps mutually with the inwall of adapter sleeve, side supporter end is plugged in the garment bag, made full use of the flexibility of garment bag, avoided the friction between side supporter and the adapter sleeve, very helped the pipe fitting surface-treated is protected; Owing to also be provided with sleeve pipe of the scalable end in the chair leg pipe bottom of forward and backward chair leg, chair leg pipe bottom is provided with the snak link that can be used for locating, corresponding several selectable snap-on holes that on end sleeve pipe, is provided with, by matching between chair leg pipe snak link and the optional snap-on of the end sleeve pipe hole, make the height of folding seat can realize regulating, to be applicable to the different users; Constitute by aluminum pipe because end sleeve pipe adopts, make the end sleeve pipe that is in the bottom can help preventing that pipe fitting from getting rusty.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of folding chair of the present utility model is not limited to embodiment.

Fig. 1 is the structural map of embodiment one the utility model (deployed condition);

Fig. 2 is the structural map of embodiment one the utility model chair frame (folding state);

Fig. 3 is the structure decomposition map of embodiment one the utility model (deployed condition);

Fig. 4 is the connection status cutaway view of embodiment one the utility model side supporter and adapter sleeve;

Fig. 5 is embodiment two structural representations of the present utility model;

Fig. 6 is embodiment three structural representations of the present utility model;

Fig. 7 is the connection status cutaway view of sleeve pipe at the bottom of embodiment three the utility model;

Fig. 8 is embodiment four structural representations of the present utility model;

Fig. 9 is embodiment five structural representations of the present utility model.

The specific embodiment

Actual example one, to shown in Figure 4, a kind of folding chair of the present utility model comprises chair support 1, seat support 2 referring to Fig. 1;

Chair leg 11, a back leg 12, side supporter 13 before chair support 1 includes one, its preceding chair leg 11, back leg 12 are the inversion of U type pipe and form, and two kinks of U type pipe constitute chair leg pipe, and its end lands and is used to support; In the U of preceding chair leg 11 type mouth, also be connected with a bracing piece 111, bracing piece 111 is a straight-bar, in the U of back leg 12 type mouth, also be connected with a bracing piece 121, bracing piece 121 also is a straight-bar, two bottoms that are used to land of preceding chair leg 11 also are socketed with the end cover 112 that plastic cement is made, and the bottom that two of back leg 12 is used to land also is socketed with the end cover 122 that plastic cement is made; Side supporter 13 is divided into upside supporter 131, downside supporter 132, its upper and lower side supporter 131,132 constitutes by U type pipe, four adapter sleeves 3 fixedly link with the chair leg pipe portion of forward and backward chair leg 11,12 respectively, forward and backward chair leg 11,12, upper and lower side supporter 131,132, adapter sleeve 3 are steel pipe, adopt welding to fix between forward and backward chair leg 11,12 and the adapter sleeve 3; Respectively be provided with a snak link 130 in the end of upper and lower side supporter 131,132, and respectively be provided with corresponding chute 31 in the upper and lower part of adapter sleeve 3, chute 31 is along the tube wall horizontally set of adapter sleeve 3, and chute 31 is used to provide snak link 130 to move within it; Its upper and lower side supporter 131,132 one-tenth relative modes are plugged in the upper and lower part of adapter sleeve 3, during grafting, be respectively to be connected to one group of upper and lower side supporter 131,132 between preceding chair leg 11 and back leg 12 corresponding chair leg pipes, the limit, the left and right sides of chair is connected to two groups altogether; Joint at each side supporter 131,132 end and adapter sleeve 3 also is plugged with a garment bag 4, and the outer wall of garment bag 4 tightly overlaps mutually with the inwall of adapter sleeve 3, and side supporter 131,132 ends are plugged in the garment bag 4;

Seat support 2 is the plate of a monomer structure that is made by injection moulding, a groove is established in the bottom of plate, be provided with many reinforcement in the groove, be provided with some

fixture blocks

21,22 in seat support 2 bottoms,

fixture block

21,22 can be to be fixed in seat support 2 bottoms for monomer spare, also can be and seat support 2 forms one that seat support 2 utilizes its

fixture block

21,22 holdings on preceding chair leg 11, back leg 12 and two upside supporters 131.

In the use, when needs carry out packed and transported with folding seat, can each U type pipe 11 of folding seat will be formed, 12,131,132 are stacked together mutually, pack together with seat support 2, like this, structure with respect to the past, can reduce the volume of its packing greatly, and the material of packing, the quantity of transportation can be increased, after arrival makes land used, with side supporter 131, the snak link 130 of 132 ends is pressed, with side supporter 131, before insert respectively at 132 both ends, back leg 11, in 12 the adapter sleeve 3, when snak link 130 moves to the chute 31 of adapter sleeve 3, snak link 130 outwards ejects, and just in time holding makes side supporter 131 in chute 31,132 can not move up and down along adapter sleeve 3, and snak link 130 can move along the chute 31 of adapter sleeve 3, like this, the side supporter 131,132 can rotate with respect to adapter sleeve 3, have then finished the assembling of chair support 1.When folding seat will be used, the forward and backward chair leg 11,12, the side supporter 131,132 that form the relation of pivot joint are launched to constitute the chair support 1 that struts, in the expansion process, rotate in adapter sleeve 3 termination of side supporter 131,132, and snak link 130 moves in chute 31, at this moment, snak link 130 is shifted to a side along the chute 31 of adapter sleeve 3, again the

fixture block

21,22 of seat support 2 is stuck in the corresponding position of chair support 1, a folding seat of launching, can be used.When folding seat will fold, seat support 2 is taken off, utilize the pivot joint relation between forward and backward chair leg 11,12, the side supporter 131,132 can realize the folding of chair support, at this moment, snak link 130 is shifted to opposite side along the chute 31 of adapter sleeve 3.In the time folding seat will being carried out the carrying of longer distance, available hand is pushed the snak link 130 of downside supporter 131,132 ends, and side supporter 131,132 ends can be taken out from adapter sleeve 3, forms several U type pipe fittings of dismounting, can be convenient to packed and transported.

Actual example two, referring to shown in Figure 5, a kind of folding chair of the present utility model comprises chair support 1, seat support 2; Be with the difference of embodiment one, on preceding chair leg 11, back leg 12, be connected to " people " font reinforced pole 113,123 respectively, the upper end of " people " font reinforced pole 113 and preceding chair leg 11 tops fixedly link, and the lower end of " people " font reinforced pole 113 and the bracing piece 111 of preceding chair leg 11 are fixedly connected; The upper end and back leg 12 tops of " people " font reinforced pole 123 fixedly link, and the lower end of " people " font reinforced pole 123 and the bracing piece 121 of back leg 12 are fixedly connected; This purpose is to strengthen the support strength of chair.

Actual example three, referring to Fig. 6, shown in Figure 7, a kind of folding chair of the present utility model, for a kind of two people sit folding seat, it comprises chair support 1, seat support 2; Be with the difference of embodiment one, its seat support 2 is a strip, can sit 2 people or many people, the bracing piece 114,124 that it is provided with is bent rod, the top of bracing piece 114,124 and forward and backward chair leg 11,12 tops fixedly link, and the bottom of bracing piece 114,124 is divided into both sides and fixes with the chair leg pipe of preceding chair leg 11 or back leg 12 respectively; In addition, the chair leg pipe bottom of forward and backward chair leg 11,12 also is provided with sleeve pipe of the scalable end 5, end sleeve pipe 5 is an aluminum pipe, is provided with the snak link 51 that can be used for locating in the chair leg pipe bottom of forward and backward chair leg 11,12, and sleeve pipe of the corresponding end 5 is provided with several selectable snap-on holes 52.

Actual example four, referring to shown in Figure 8, a kind of folding chair of the present utility model is a kind of single seat folding seat with backrest, it comprises chair support 1, seat support 2; Be that with the difference of embodiment one it also includes a chair back 6, the chair back 6 is fixed on the back support bar 61, and back support bar 61 is a U type pipe, and back support bar 61 is fixed on the back leg 12; The chair back 6 is the plate of a monomer structure that is made by injection moulding, and a groove is established in the bottom of plate, is provided with many reinforcement in the groove; And on forward and backward chair leg 11,12, do not connect bracing piece; Its side supporter is single U type pipe, when side supporter 133 is installed, is set to be higher than seat support 2, makes the both sides of folding seat form handrail by means of side supporter 133; Simultaneously also established support bar 23 in the bottom of seat support 2, purpose is to substitute joining of original side supporter and seat support 2, and the end of support bar 23 is nested with back leg 12 again.

Actual example five, referring to shown in Figure 9, a kind of folding chair of the present utility model is a kind of double seat folding seat with backrest, is that with the difference of embodiment four its seat support has two, and fixedly links with the chair support respectively.

Claims

1. a folding chair comprises chair support, seat support, between chair support and the seat support for detachably linking; The chair support includes forward and backward chair leg and side supporter, and its forward and backward chair leg is the inversion of U type pipe and forms, and two kinks of U type pipe constitute chair leg pipe, and the end lands and is used to support; Between the chair leg pipe of forward and backward chair leg, be articulated with the side supporter that constitutes by U type pipe respectively, its articulated section is provided with adapter sleeve, it is characterized in that: adapter sleeve and chair leg pipe fixedly link, the both ends of side supporter respectively sleeve in forward and backward chair leg in the affixed adapter sleeve, the end of side supporter is provided with the snak link that is used to locate, the corresponding chute that can provide snak link to move that is provided with on adapter sleeve, chute is laterally established along the adapter sleeve tube wall.

2. a kind of folding chair according to claim 1, it is characterized in that: described side supporter also can be made of upper and lower support U type pipe, its upper and lower support U type pipe becomes relative mode to be plugged in the upper and lower part of adapter sleeve, the end of upper and lower support U type pipe splicing position is provided with the snak link that is used to locate, the chute that can provide snak link to move is provided each correspondence in the upper and lower part of adapter sleeve, and chute is laterally established along the adapter sleeve tube wall.

3. a kind of folding chair according to claim 1 and 2, it is characterized in that: the joint of described side supporter end and the adapter sleeve garment bag of also pegging graft, the outer wall of garment bag tightly overlaps mutually with the inwall of adapter sleeve, and side supporter end is plugged in the garment bag.

4. a kind of folding chair according to claim 1 is characterized in that: described seat support is the plate of a monomer structure that is made by injection moulding, and a groove is established in the bottom of plate, is provided with many reinforcement in the groove.

5. a kind of folding chair according to claim 1 is characterized in that: described folding seat also comprises and is provided with the chair back, and the chair back is fixed on the back support bar, and back support bar is a U type pipe, and back support bar is fixed on the back leg; The chair back is the plate of a monomer structure that is made by injection moulding, and a groove is established in the bottom of plate, is provided with many reinforcement in the groove.

6. a kind of folding chair according to claim 1, it is characterized in that: the chair leg pipe bottom of described forward and backward chair leg also is provided with sleeve pipe of the scalable end, be provided with the snak link that can be used for locating, corresponding several selectable snap-on holes that on end sleeve pipe, is provided with in chair leg pipe bottom.

7. a kind of folding chair according to claim 1 is characterized in that: also can be connected with bracing piece in the U type mouth of described forward and backward chair leg or side supporter.

8. a kind of folding chair according to claim 1 is characterized in that: described forward and backward chair leg, side supporter, adapter sleeve are steel pipe and constitute, and adopt welding to fix between forward and backward chair leg and the adapter sleeve.

9. a kind of folding chair according to claim 6 is characterized in that: sleeve pipe of the described end is an aluminum pipe, but the bottom of chair leg pipe or end sleeve pipe also attaching the end cover that plastic cement makes is arranged.

10. a kind of folding chair according to claim 1 is characterized in that: the place of linking between described chair support and the seat support also is provided with fixture block, and fixture block is fixed in seat bottom, or forms one with seat support.