CN101396209A - Folding chair - Google Patents
Folding chair Download PDFInfo
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- CN101396209A CN101396209A CNA2007100095779A CN200710009577A CN101396209A CN 101396209 A CN101396209 A CN 101396209A CN A2007100095779 A CNA2007100095779 A CN A2007100095779A CN 200710009577 A CN200710009577 A CN 200710009577A CN 101396209 A CN101396209 A CN 101396209A
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- folding
- seat board
- bar
- support bar
- seat
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Abstract
A folding chair comprises a cross-folding support frame, a chair plate and a support rod. The cross-folding support frame comprises two X-type cross-folding rods. each cross-folding rod comprises two front chair legs and two rear chair legs which are crossly articulated with each other at the middle position, wherein, the upper end parts of the two front chair legs form a first upper end part, and the upper end parts of the two rear chair legs form a second upper end part; the chair plate has a first side edge and a second side edge, and the first side edge and the second side edge or the position near the first side edge and the second side edge are pivoted with the first upper end part of the cross-folding support frame; the support rod which can slide between the first side edge and the second side edge is arranged on the bottom surface of the chair plate, and two ends of the support rod are connected to the second upper end part of the cross-folding support frame. The invention realizes folding of the folding chair by the slippage of the support rod under the chair plate, and the bearable force of the folding chair is greatly improved, thus improving the stability of the folding chair.
Description
Technical field
The present invention relates to chair, specifically be meant a kind of folding seat, and have the folding seat of handrail.
Background technology
Traditional folding seat is formed quadric chain by preceding chair leg, back leg, seat frame support bar and a connection piece and is realized folding, back leg is than preceding chair short legs, its top be articulated in back leg in position on the upper side, position, back and the pivot joint of preceding chair midleg position partially in the seat frame support bar, one end of seat frame support bar nearly rearward end position and described connector articulates, and position, the nearly upper end of the other end of this connector and back leg articulates.When folding seat is opened fully, utilize this connector to be resisted against and be located at above the protuberance of frame support bar one side, seat board is able to horizontal fixed, under this complete open configuration, this protuberance is below between the both ends of described connector, user's center of gravity mainly is the middle front part of seat board, and this protuberance makes the rearward end of seat frame support bar can not continue to upwarp and middle front part can not sink.
The fold mechanism of another kind of folding seat is: the upper end of preceding chair leg and the leading section of horizontal strut are rotatably connected, preceding chair midleg and back leg middle and lower part are rotatably connected across, horizontal strut is connected in back leg approximate mid-section place slidably and rotationally in its length direction, and this horizontal strut being used to is supported seat board.When sliding into foremost position with the connecting portion of horizontal strut on the back leg, fold mechanism is in folded state, then is in open mode on the contrary.
For above-mentioned first type fold mechanism, one of its main stress point is this connector and an abutment of the protuberance of frame support bar under user mode, being connected between this protuberance and the seat frame support bar becomes very crucial, otherwise seat board can't firmly be supported.For above-mentioned second type fold mechanism, the connecting portion of back leg and horizontal strut is one of main stress point, and the stability problem of this connecting portion also is one of difficult point.This shows that the fold mechanism of folding seat of the prior art is all inadequately firmly with stable.
Summary of the invention
The invention provides a kind of folding seat, its main purpose is to overcome the firm and stable inadequately shortcoming of fold mechanism of existing folding seat.
The present invention adopts following technical scheme:
Technical scheme one
A kind of folding seat, comprise: the cross folding bracing frame, the cross folding bracing frame comprises two X-shaped cross folding bars, each X-shaped cross folding bar is included in preceding chair leg and the back leg that medium position crosses one another and articulates, the upper end of these two preceding chair legs constitutes first upper end, and the upper end of this two back leg constitutes second upper end; Seat board has first side parallel to each other and second side, wherein the first side or closely this position, first side be articulated in first upper end of described cross folding bracing frame; The bottom surface of this seat board be provided with one can be between this first, second side sliding type braces, and the two ends of this support bar are connected in second upper end of described cross folding bracing frame.
Aforementioned a kind of folding seat, the first side of its seat board and second side are respectively the front side edge and the back side edge of seat board, its limit, left side and right edge below are respectively equipped with a strip piece along the fore-and-aft direction extension, form two chutes between two strip pieces and the seat board, described support bar is arranged in this two chute along the left and right directions extension.
Further, the chair legs are positioned at the outside of two back legs before described two, and the length of described support bar is greater than the spacing of two back legs, and less than the spacing of chair legs before two.
Aforementioned a kind of folding seat, the upper end of its chair legs before two connects by a cross bar one, and this cross bar is connected in the first side of described seat board or near this position, first side rotationally; The upper end of described two back legs extends upward and forms two back of the body bars, is provided with backboard between this two back ofs the body bar, and the both ends of described support bar are welded in the front upper place of two back leg upper ends.
Technical scheme two
A kind of folding seat, it comprises: the cross folding bracing frame, comprise two X-shaped cross folding bars, each X-shaped cross folding bar is included in preceding chair leg and the back leg that medium position crosses one another and articulates, the upper end of these two preceding chair legs constitutes first upper end, the upper end of this two back leg constitutes second upper end, and this two back legs upper end extends upward and forms two back of the body bars, is connected with backboard between two back of the body bars; Seat board has first side parallel to each other and second side, this first side or closely this position, first side be articulated in first upper end of described cross folding bracing frame, between the left and right sides side of this seat board and two back legs for slidably be rotationally connected; Also comprise bar and handrail support bar, the rear end of this bar is articulated on the described back of the body bar, and the upper end of front end and handrail support bar articulates, and the lower ending pivot of handrail support bar is connected to the second side of described seat board.
Aforementioned a kind of folding seat, the bottom surface of its seat board be provided with one can be between described first side and second side sliding type braces, and the two ends of this support bar are connected in second upper end of described cross folding bracing frame.
Further, the two ends of described support bar are fixedly welded on the front upper place of described two back leg upper ends.
Aforementioned a kind of folding seat, its seat board left and right sides side is provided with chute, and the relative position of back leg is provided with slide block, and this slide block stretches into realizes in the chute that the slip between seat board and the back leg is rotationally connected.
Aforementioned a kind of folding seat, its bar have two, and its rear end is articulated in the outside of described two back of the body bars respectively, and described handrail support bar also should have two mutually, and its upper end is articulated in the inboard of two bar front ends respectively.
Further, the first side of described seat board and second side are respectively the front side edge and the back side edge of this seat board, and the bottom of described two handrail support bars connects by a cross bar one, and this cross bar is connected in the second side of described seat board rotationally; Described two back legs lay respectively between the handrail support bar on the limit, left side of this seat board and the left side and between the handrail support bar on right edge and the right.
By above-mentioned description to structure of the present invention as can be known, compare with prior art, the present invention has following advantage: one, realize the folding of folding seat by the slip of support bar below seat board, under user mode, the pressure of seat board imposes on the upper end and this support bar of chair leg before two, and be delivered on two back legs by this support bar, because this support bar is along the bottom that left and right directions traverses seat board, thereby its power that can bear improves greatly, thereby improved the stability of folding seat; Two, its two bar and two back legs and ingenious connection of seat board and realize that bar can be together folding with folding seat, thus make folding seat possess the structure of Foldable handrail simultaneously with aforementioned stable structure.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention one, has shown its user mode;
Fig. 2 is the side view of the embodiment of the invention one, has shown its user mode;
Fig. 3 is the perspective view of the embodiment of the invention one, has shown a state of its folding process;
Fig. 4 is the side view of the embodiment of the invention one, has shown a state of its folding process;
Fig. 5 is the perspective view of the embodiment of the invention one, shown its state after folding;
Fig. 6 is the side view of the embodiment of the invention one, shown its state after folding;
Fig. 7 is the perspective view of the embodiment of the invention two, has shown its user mode;
Fig. 8 is the side view of the embodiment of the invention two, has shown its user mode;
Fig. 9 is the perspective view of the embodiment of the invention two, has shown a state of its folding process;
Figure 10 is the side view of the embodiment of the invention two, has shown a state of its folding process;
Figure 11 is the perspective view of the embodiment of the invention two, shown its state after folding;
Figure 12 is the side view of the embodiment of the invention two, shown its state after folding.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
Embodiment one
See figures.1.and.2, a kind of folding seat comprises cross folding bracing frame 1, seat board 2 and backboard 3.This cross folding bracing frame 1 comprises two X-shaped cross folding bars, each X-shaped cross folding bar is included in preceding chair leg 12,14 and the back leg 11,13 that medium position crosses one another and articulates, the upper end of these two preceding chair legs 12,14 is first upper end that leading section constitutes this cross folding bracing frame 1, the upper end of this two back leg 11,13 is second upper end that rearward end constitutes this cross folding bracing frame 1, and this first upper end and second upper end can be rolled over mutually and be close together.The upper end of these two preceding chair legs 12,14 connects by a cross bar 15 one.
The upper end of two back legs 11,13 extends upward and forms two back of the body bars 111,131, is provided with backboard 3 between this two back ofs the body bar 111,131.
This seat board 2 is a rectangle, but and be confined to rectangle, front side edge that it is parallel to each other and back side edge constitute the first side and the second side of seat board 2, simultaneously with reference to Fig. 5, its limit and right edge below, left side is respectively equipped with formation two chutes 210,220 between strip piece 21,22, two strip pieces 21,22 that extend along fore-and-aft direction and the seat board 2.Crossed a support bar 4 in this two chute 210,220, this support bar 4 extends along left and right directions, and can slide front and back in two chutes 210,220.
To be hubbed at the front side edge of seat board 2 rotationally be the below, first side to the cross bar 15 of chair leg 12,14 upper ends before above-mentioned two, above-mentioned can be in chute 210,220 before and after the both ends of sliding type braces 4 be fixedly connected on position, two back legs, 11,13 upper end by welding manner.
With reference to Fig. 3 and Fig. 5, chair legs 12,14 are positioned at the outside of two back legs 11,13 before two, and the length of described support bar 4 is greater than the spacing of two back legs 11,13, and less than the spacing of chair legs 12,14 before two, thereby do not influence folding.
Under user mode, see figures.1.and.2, support bar 4 slides into the rearmost end of chute 210,220, and cross folding bracing frame 1 is in complete deployed condition, with the firm supporting construction of seat board 2 common formation.The pressure that seat board 2 is subjected to passes to cross folding bracing frame 1 by cross bar 15 and support bar 4, and is stressed reasonable, do not have the great situation of local pressure.
When folding,, by external force first upper end of cross folding bracing frame 1 and second upper end rolled in opposite directions and lean on reference to Fig. 3 and Fig. 4, support bar 4 in chute 210,220 to front slide.After folding, with reference to Fig. 5 and Fig. 6, support bar 4 slides into chute 210,220 foremost, and cross folding bracing frame 1 is in complete folded state.
Embodiment two
The primary structure of present embodiment is identical with embodiment one, and its main distinction is to have increased armrest, no longer describes in detail below the same section, can be with reference to the foregoing description one, below main its armrest of explanation.
With reference to Fig. 7 and Fig. 8, except having the structure identical with embodiment one, present embodiment also comprises bar 51,53 and handrail support bar 52,54, the rear end of this bar 51,53 is articulated in respectively on the described back of the body bar 111,131, front end articulates with the upper end of handrail support bar 52,54 respectively, the lower end of handrail support bar 52,54 connects by a cross bar 55 one, and the second side that this cross bar 55 is articulated in described seat board 2 rotationally is a back side edge.
Two bars, 51,53 rear ends are articulated in the outside of described two back of the body bars 111,131 respectively, described handrail support bar 52,54 is articulated in the inboard of two bars, 51,53 front ends respectively, and two back legs 11,13 lay respectively between the handrail support bar 52 on the limit, left side of this seat board 2 and the left side and between the handrail support bar 54 on right edge and the right.Conveniently to fold.
When folding, with reference to Fig. 9 to Figure 12, the bottom of two handrail support bars 52,54 moves down with the back side edge of seat board 2, and the leading section of two bars 51,53 is pulled down by two handrail support bars 52,54, leans on thereby two bars 51,53 are rolled over downwards.
In embodiment two, identical with embodiment one, realize slidably, be rotatably connected by support bar 4 between seat board 2 and two back legs 11,13.In addition, also can chute be set, slide block be set, this slide block be stretched into realize in the chute that the slip between seat board 2 and the back leg 11,13 is rotationally connected at the relative position of back leg 11,13 at seat board 2 left and right sides sides.It can also be other possible form.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (10)
1, a kind of folding seat comprises:
The cross folding bracing frame, the cross folding bracing frame comprises two X-shaped cross folding bars, each X-shaped cross folding bar is included in preceding chair leg and the back leg that medium position crosses one another and articulates, and the upper end of these two preceding chair legs constitutes first upper end, and the upper end of this two back leg constitutes second upper end;
Seat board has first side parallel to each other and second side, wherein the first side or closely this position, first side be articulated in first upper end of described cross folding bracing frame;
It is characterized in that, the bottom surface of this seat board be provided with one can be between this first, second side sliding type braces, and the two ends of this support bar are connected in second upper end of described cross folding bracing frame.
2, a kind of folding seat as claimed in claim 1, it is characterized in that: the first side of described seat board and second side are respectively the front side edge and the back side edge of seat board, its limit, left side and right edge below are respectively equipped with a strip piece along the fore-and-aft direction extension, form two chutes between two strip pieces and the seat board, described support bar is arranged in this two chute along the left and right directions extension.
3, a kind of folding seat as claimed in claim 2 is characterized in that: the chair legs are positioned at the outside of two back legs before described two, and the length of described support bar is greater than the spacing of two back legs, and less than the spacing of chair legs before two.
4, a kind of folding seat as claimed in claim 1 is characterized in that: the upper end of chair legs connects by a cross bar one before described two, and this cross bar is connected in the first side of described seat board or near this position, first side rotationally; The upper end of described two back legs extends upward and forms two back of the body bars, is provided with backboard between this two back ofs the body bar, and the both ends of described support bar are welded in the front upper place of two back leg upper ends.
5, a kind of folding seat, it comprises:
The cross folding bracing frame, comprise two X-shaped cross folding bars, each X-shaped cross folding bar is included in preceding chair leg and the back leg that medium position crosses one another and articulates, the upper end of these two preceding chair legs constitutes first upper end, the upper end of this two back leg constitutes second upper end, this two back legs upper end extends upward and forms two back of the body bars, is connected with backboard between two back of the body bars;
Seat board has first side parallel to each other and second side, this first side or closely this position, first side be articulated in first upper end of described cross folding bracing frame, between the left and right sides side of this seat board and two back legs for slidably be rotationally connected;
It is characterized in that, also comprise bar and handrail support bar, the rear end of this bar is articulated on the described back of the body bar, and the upper end of front end and handrail support bar articulates, and the lower ending pivot of handrail support bar is connected to the second side of described seat board.
6, a kind of folding seat as claimed in claim 5, it is characterized in that: the bottom surface of described seat board be provided with one can be between described first side and second side sliding type braces, and the two ends of this support bar are connected in second upper end of described cross folding bracing frame.
7, a kind of folding seat as claimed in claim 6, it is characterized in that: the two ends of described support bar are fixedly welded on the front upper place of described two back leg upper ends.
8, a kind of folding seat as claimed in claim 5 is characterized in that: described seat board left and right sides side is provided with chute, and the relative position of back leg is provided with slide block, and this slide block stretches into realizes in the chute that the slip between seat board and the back leg is rotationally connected.
9, a kind of folding seat as claimed in claim 5 is characterized in that: described bar has two, and its rear end is articulated in the outside of described two back of the body bars respectively, and described handrail support bar also should have two mutually, and its upper end is articulated in the inboard of two bar front ends respectively.
10, a kind of folding seat as claimed in claim 9, it is characterized in that: the first side of described seat board and second side are respectively the front side edge and the back side edge of this seat board, the bottom of described two handrail support bars connects by a cross bar one, and this cross bar is connected in the second side of described seat board rotationally; Described two back legs lay respectively between the handrail support bar on the limit, left side of this seat board and the left side and between the handrail support bar on right edge and the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100095779A CN101396209B (en) | 2007-09-24 | 2007-09-24 | Folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100095779A CN101396209B (en) | 2007-09-24 | 2007-09-24 | Folding chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101396209A true CN101396209A (en) | 2009-04-01 |
| CN101396209B CN101396209B (en) | 2011-06-08 |
Family
ID=40515255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100095779A Expired - Fee Related CN101396209B (en) | 2007-09-24 | 2007-09-24 | Folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101396209B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010051665A1 (en) * | 2008-11-07 | 2010-05-14 | Leng Luhao | Foldable chair |
| CN103815693A (en) * | 2014-03-17 | 2014-05-28 | 金鹏 | Foldable multifunctional seat |
| CN104273963A (en) * | 2014-10-31 | 2015-01-14 | 德清利涛金属制品有限公司 | Simple and convenient sliding guiding device with foldable chair |
| CN104986206A (en) * | 2015-07-01 | 2015-10-21 | 苏州逗乐儿童用品有限公司 | Pull rod folding mechanism of buggy |
| WO2018201836A1 (en) * | 2017-05-02 | 2018-11-08 | 东莞世昌五金制品厂有限公司 | Folding chair |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205046U (en) * | 1985-11-22 | 1986-11-05 | 夏泉明 | Folding chair with foldaway back |
| CN2279838Y (en) * | 1996-03-26 | 1998-04-29 | 深圳现代光侨金属玻璃钢有限公司 | Chair, automatically restoring original position by gravity |
| US5855409A (en) * | 1998-05-28 | 1999-01-05 | Shin Yen Enterprise Co., Ltd. | Foldable chair frame |
| CN100388900C (en) * | 2003-11-21 | 2008-05-21 | 冷鹭浩 | Folding structure of folding chair |
| CN100593380C (en) * | 2005-08-22 | 2010-03-10 | 冷鹭浩 | Folding chair |
-
2007
- 2007-09-24 CN CN2007100095779A patent/CN101396209B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010051665A1 (en) * | 2008-11-07 | 2010-05-14 | Leng Luhao | Foldable chair |
| US8231171B2 (en) | 2008-11-07 | 2012-07-31 | New-Tec Integration (Xiamen) Co., Ltd. | Foldable chair |
| CN103815693A (en) * | 2014-03-17 | 2014-05-28 | 金鹏 | Foldable multifunctional seat |
| CN106361038A (en) * | 2014-03-17 | 2017-02-01 | 苏州多固工程设计有限公司 | Folding multifunctional seat |
| CN104273963A (en) * | 2014-10-31 | 2015-01-14 | 德清利涛金属制品有限公司 | Simple and convenient sliding guiding device with foldable chair |
| CN104986206A (en) * | 2015-07-01 | 2015-10-21 | 苏州逗乐儿童用品有限公司 | Pull rod folding mechanism of buggy |
| WO2018201836A1 (en) * | 2017-05-02 | 2018-11-08 | 东莞世昌五金制品厂有限公司 | Folding chair |
| US10681985B2 (en) | 2017-05-02 | 2020-06-16 | Dongguan Shichang Metals Factory Ltd. | Folding chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101396209B (en) | 2011-06-08 |
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Granted publication date: 20110608 Termination date: 20160924 |
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