CN201238819Y - Bundling-shaped retractable chair with improved chair surface supporting structure - Google Patents
Bundling-shaped retractable chair with improved chair surface supporting structure Download PDFInfo
- Publication number
- CN201238819Y CN201238819Y CNU2008201032103U CN200820103210U CN201238819Y CN 201238819 Y CN201238819 Y CN 201238819Y CN U2008201032103 U CNU2008201032103 U CN U2008201032103U CN 200820103210 U CN200820103210 U CN 200820103210U CN 201238819 Y CN201238819 Y CN 201238819Y
- Authority
- CN
- China
- Prior art keywords
- foot lever
- bar
- sliding sleeve
- lever
- chair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/28—Folding chairs with flexible coverings for the seat or back elements
- A47C4/286—Folding chairs with flexible coverings for the seat or back elements foldable side to side and front to back, e.g. umbrella type
Abstract
The utility model provides a bunchy collapsible chair with an improved chair surface supporting structure, which comprises two cushion supporting rods, wherein the rear foot rod device further comprises a rear foot rod fixing sleeve which is fixed on a rear foot rod and is positioned at the lower part of a rear foot rod sliding bush; a cushion supporting rod is arranged between a front foot rod device and the rear foot rod device on the same side, the front end and the rear end of the cushion supporting rod are respectively pivoted to a front foot rod connecting seat and the rear foot rod fixing sleeve, and the cushion is connected to the two cushion supporting rods. The cushion is connected to the two cushion supporting rods, therefore, the cushion is supported by the whole cushion supporting rod body, compared with the prior art, the bunchy collapsible chair is firmer and is not easily torn.
Description
Technical field
The utility model relates to fasciculation and folds chair, is meant that specifically the improved fasciculation of a kind of seat supporting construction folds chair.
Background technology
With reference to Fig. 7 to Figure 10, shown that a kind of fasciculation of prior art folds the structure of chair, but its four sides structure is all articulated by two isometric crossbars 90 intersections and forms an X shape retracting structure, and its bar structure 80 is formed a structure that can fold in the centre bending by male joint 81, female joint 82 and two sections bars 83, and this structure has following shortcoming:
One, its bar structure 80 adopts and can bend the structure that folds in the centre, yet this bar structure 80 is carrying arm weight part, this bent place, centre that can bend the structure that folds in the centre is originally fragile, after repeatedly bending, may get loose gradually, may produce the structure damage when bearing arm weight, and this male joint 81, female joint 82 joints are easy to generate and jam a finger, the situation of arm, have potential safety hazard.
Two, with reference to Figure 10, its cushion 100 only is connected with 4 of four foot levers with the skeleton connected mode, and central part has no to support, yet the contact area of some connected mode is little, causes cushion 100 and skeleton tie point to tear easily after stressed for a long time.
The utility model content
The utility model provides the improved fasciculation of a kind of seat supporting construction to fold chair, and its main purpose is to overcome between cushion that existing fasciculation folds chair and four foot levers and is connected the shortcoming that cushion is torn easily at the tie point place with 4; The purpose of this utility model also be to overcome the armrest that existing fasciculation folds chair not firm, press from both sides people's shortcoming easily.
The utility model adopts following technical scheme: the improved fasciculation of a kind of seat supporting construction folds chair, comprises preceding folding device, back folding device, two side folding devices and cushion; Should comprise two forward foot in a step lever apparatus and the first crossbar device by preceding folding device, this forward foot in a step lever apparatus comprises preceding foot lever hypomere, can slide up and down to be socketed on the preceding foot lever epimere on this preceding foot lever hypomere, the preceding foot lever base of being located at this preceding foot lever hypomere bottom, the preceding foot lever joining base of being located at this preceding foot lever epimere top and sliding sleeve in the preceding foot lever sliding sleeve of this preceding foot lever epimere periphery, and four ends of this first crossbar device are articulated in respectively on two preceding foot lever bases and two the preceding foot lever joining bases; This back folding device comprises two rear foot lever apparatus and the second crossbar device, this rear foot lever apparatus comprises the back foot lever, is located at the back foot lever base of this foot lever bottom, back, is slidedly arranged on the back foot lever sliding sleeve on this back foot lever, four ends of this second crossbar device respectively with two after foot lever sliding sleeve pivot joint behind foot lever base and two; This dual-side folding device comprises one the 3rd crossbar device respectively, and sliding sleeve is slided with preceding foot lever base, back foot lever base, the preceding foot lever of the same side respectively in four ends of each the 3rd crossbar device, back foot lever sliding sleeve articulates; Also comprise two cushions support bars, described rear foot lever apparatus also comprises the back foot lever fixed cover that is fixed in the back foot lever and is positioned at foot lever sliding sleeve below, back; Be provided with a cushions support bar between the forward foot in a step lever apparatus of described the same side, the rear foot lever apparatus, the front and back ends of this cushions support bar is articulated in respectively on described preceding foot lever joining base, the back foot lever fixed cover, and described cushion is connected on these two cushions support bars.
The improved fasciculation of aforementioned a kind of seat supporting construction folds chair, and the leading section of its cushions support bar forms a bend that extends to the front lower place.
The improved fasciculation of aforementioned a kind of seat supporting construction folds chair, also comprise two bars, described rear foot lever apparatus also comprises the bar track sheet of being located on the foot lever of back rotationally and being positioned at foot lever sliding sleeve top, described back, the front end of each bar is articulated in corresponding preceding foot lever joining base, each bar below is provided with a slide bar, and this slide bar and described bar track sheet are slidingly matched.
The front end of this bar is provided with the connecting rod of downward extension, and the end of this connecting rod is articulated on the described preceding foot lever joining base.
The improved fasciculation of aforementioned a kind of seat supporting construction folds chair, also comprise a support rail, this support rail comprises two sections cross bars, the cross bar contiguous block that articulates with two sections cross bar opposite ends and two contiguous blocks that are articulated in two sections opposing ends of cross bar respectively, and these two contiguous blocks are connected on the two back foot levers.
The improved fasciculation of aforementioned a kind of seat supporting construction folds chair, its second crossbar device comprises four curved bars, side by side two chi structures about these four curved bars form, wherein, two interconnected and links that lay respectively at curved bar in the different chi structures are bending, make the coupling part form fillet.
By above-mentioned description to the utility model structure as can be known, compare with prior art, the utlity model has following advantage: one, cushion is connected on the two cushions support bars, support cushion by whole cushions support club body, be connected with point type of the prior art and compare more firm, safer and be difficult for causing cushion to be torn; Two, the utility model adopts integrated bar, and utilize the set connecting rod that protrudes out in bar below to add the stroke that folds of long side folding device downwards, and eliminate the problem that structure folds, so do not need the combined folding bar structure that adopts fragile structure and security not good again.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 removes perspective view behind the cushion for the utility model;
Fig. 3 remove cushion for the utility model and fold after perspective view;
Fig. 4 removes side view behind the cushion for the utility model;
Fig. 5 remove cushion for the utility model and fold after side view;
Fig. 6 is the perspective view of another embodiment of the present utility model;
Fig. 7 folds perspective view after chair is removed cushion for the prior art pencil;
Fig. 8 folds the perspective view that chair is removed the process that folds behind the cushion for the prior art pencil;
Fig. 9 folds the decomposing schematic representation of armrest of seat bar for the prior art pencil;
Figure 10 folds the perspective view of chair for the prior art pencil.
The specific embodiment
The specific embodiment of the present utility model is described with reference to the accompanying drawings.
The improved fasciculation of a kind of seat supporting construction folds chair, and referring to figs. 1 through Fig. 4, primary structure comprises preceding folding device 10, back folding device 20, two side folding devices 30 and cushions 60.
With reference to Fig. 2, should comprise two forward foot in a step lever apparatus 11 and the first crossbar device by preceding folding device 10, this forward foot in a step lever apparatus 11 comprises preceding foot lever hypomere 112, can slide up and down to be socketed on the preceding foot lever epimere 111 on this preceding foot lever hypomere 112, the preceding foot lever base 113 of being located at these preceding foot lever hypomere 112 bottoms, the preceding foot lever joining base 114 of being located at these preceding foot lever epimere 111 tops and sliding sleeve in the preceding foot lever sliding sleeve 115 of these preceding foot lever epimere 111 peripheries.This first crossbar device is articulated mutually by two straight-bar 12 middle parts and forms folding chi structure, and its four ends are articulated on two preceding foot lever bases 113 and two the preceding foot lever joining bases 114 respectively.
With reference to Fig. 2, this back folding device 20 comprises two rear foot lever apparatus 21 and the second crossbar device, and this rear foot lever apparatus 21 comprises back foot lever 215, is located at the back foot lever base 211 of these back foot lever 215 bottoms, is slidedly arranged on the back foot lever sliding sleeve 212 on this back foot lever 215.This second crossbar device comprises four curved bars 22, side by side two collapsible chi structures about this four curved bars 22 form, wherein, two interconnected and links that lay respectively at curved bar 22 in the different chi structures are bending, make the coupling part form fillet.Four ends of this second crossbar device respectively with two after behind foot lever base 211 and two foot lever sliding sleeve 212 articulate.This dual-side folding device 30 comprises one the 3rd crossbar device respectively, and each the 3rd crossbar device is slided sliding sleeve 115,212 pivot joints of back foot lever sliding sleeve with preceding foot lever base 113, back foot lever base 211, the preceding foot lever of the same side respectively by four ends of two straight-bars 31.
With reference to Fig. 2 and Fig. 4, be respectively equipped with cushions support bar 50 between above-mentioned two forward foot in a step lever apparatus 11 and two rear foot lever apparatus 21, described rear foot lever apparatus 21 also comprises the back foot lever fixed cover 213 that is fixed in back foot lever 215 and is positioned at foot lever sliding sleeve 212 belows, back, the front and back ends of this cushions support bar 50 is articulated in respectively on described preceding foot lever joining base 114, the back foot lever fixed cover 213, and described cushion 60 both sides are connected on these two cushions support bars 50.The leading section of this cushions support bar 50 forms a bend that extends to the front lower place, so that cushion 60 front sides are bent downwardly, more meets the requirement of ergonomics.
With reference to Fig. 2 and Fig. 4, be respectively equipped with bar 40 between above-mentioned two forward foot in a step lever apparatus 11 and two rear foot lever apparatus 21, described rear foot lever apparatus 21 also comprises the bar track sheet 214 of being located on the foot lever 215 of back rotationally and being positioned at foot lever sliding sleeve 212 tops, described back, the front end of each bar 40 is provided with the connecting rod 42 of downward extension, and the end of this connecting rod 42 is articulated on the described preceding foot lever joining base 114.Each bar 40 below is provided with a slide bar 41, and this slide bar 41 is slidingly matched with described bar track sheet 214.
With reference to Fig. 2, be provided with a support rail 70 between the above-mentioned two back foot levers 215, this support rail 70 comprises two sections cross bars 72, the cross bar contiguous block 71 that articulates with two sections cross bar 72 opposite ends and two contiguous blocks 73 that are articulated in two sections cross bar 72 opposing ends respectively, and these two contiguous blocks 73 are connected on the two back foot levers 215.This support rail 70 can be reinforced the performance of its stable support when whole fold mechanism extended configuration, again can be folding together in company with whole folding support frame.
With reference to Fig. 5, cushions support bar 50 and bar 40 are together folding in company with whole folding support frame.
Fig. 6 has shown another embodiment of the present utility model, and present embodiment is changed by the foregoing description, mainly is bar in the foregoing description 40 and relevant portion are removed, and the pencil that formation one no armrest does not have backrest structure yet folds chair.
Above-mentioned only is the specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (6)
1, the improved fasciculation of a kind of seat supporting construction folds chair, comprises preceding folding device, back folding device, two side folding devices and cushion; Should comprise two forward foot in a step lever apparatus and the first crossbar device by preceding folding device, this forward foot in a step lever apparatus comprises preceding foot lever hypomere, can slide up and down to be socketed on the preceding foot lever epimere on this preceding foot lever hypomere, the preceding foot lever base of being located at this preceding foot lever hypomere bottom, the preceding foot lever joining base of being located at this preceding foot lever epimere top and sliding sleeve in the preceding foot lever sliding sleeve of this preceding foot lever epimere periphery, and four ends of this first crossbar device are articulated in respectively on two preceding foot lever bases and two the preceding foot lever joining bases; This back folding device comprises two rear foot lever apparatus and the second crossbar device, this rear foot lever apparatus comprises the back foot lever, is located at the back foot lever base of this foot lever bottom, back, is slidedly arranged on the back foot lever sliding sleeve on this back foot lever, four ends of this second crossbar device respectively with two after foot lever sliding sleeve pivot joint behind foot lever base and two; This dual-side folding device comprises one the 3rd crossbar device respectively, and sliding sleeve is slided with preceding foot lever base, back foot lever base, the preceding foot lever of the same side respectively in four ends of each the 3rd crossbar device, back foot lever sliding sleeve articulates; It is characterized in that: also comprise two cushions support bars, described rear foot lever apparatus also comprises the back foot lever fixed cover that is fixed in the back foot lever and is positioned at foot lever sliding sleeve below, back; Be provided with a cushions support bar between the forward foot in a step lever apparatus of described the same side, the rear foot lever apparatus, the front and back ends of this cushions support bar is articulated in respectively on described preceding foot lever joining base, the back foot lever fixed cover, and described cushion is connected on these two cushions support bars.
2, the improved fasciculation of a kind of seat supporting construction as claimed in claim 1 folds chair, it is characterized in that: the leading section of described cushions support bar forms a bend that extends to the front lower place.
3, the improved fasciculation of a kind of seat supporting construction as claimed in claim 1 folds chair, it is characterized in that: also comprise two bars, described rear foot lever apparatus also comprises the bar track sheet of being located on the foot lever of back rotationally and being positioned at foot lever sliding sleeve top, described back, the front end of each bar is articulated in corresponding preceding foot lever joining base, each bar below is provided with a slide bar, and this slide bar and described bar track sheet are slidingly matched.
4, the improved fasciculation of a kind of seat supporting construction as claimed in claim 3 folds chair, and it is characterized in that: the front end of described bar is provided with the connecting rod of downward extension, and the end of this connecting rod is articulated on the described preceding foot lever joining base.
5, the improved fasciculation of a kind of seat supporting construction as claimed in claim 1 folds chair, it is characterized in that: also comprise a support rail, this support rail comprises two sections cross bars, the cross bar contiguous block that articulates with two sections cross bar opposite ends and two contiguous blocks that are articulated in two sections opposing ends of cross bar respectively, and these two contiguous blocks are connected on the two back foot levers.
6, the improved fasciculation of a kind of seat supporting construction as claimed in claim 1 folds chair, it is characterized in that: the described second crossbar device comprises four curved bars, side by side two chi structures about these four curved bars form, wherein, two interconnected and links that lay respectively at curved bar in the different chi structures are bending, make the coupling part form fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201032103U CN201238819Y (en) | 2008-07-25 | 2008-07-25 | Bundling-shaped retractable chair with improved chair surface supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201032103U CN201238819Y (en) | 2008-07-25 | 2008-07-25 | Bundling-shaped retractable chair with improved chair surface supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238819Y true CN201238819Y (en) | 2009-05-20 |
Family
ID=40712104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201032103U Expired - Lifetime CN201238819Y (en) | 2008-07-25 | 2008-07-25 | Bundling-shaped retractable chair with improved chair surface supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201238819Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012149876A1 (en) * | 2011-05-05 | 2012-11-08 | 深圳置善饮食管理有限公司 | Foldable chair |
| WO2016150254A1 (en) * | 2015-03-25 | 2016-09-29 | 浙江泰普森创意设计有限公司 | Director's chair |
-
2008
- 2008-07-25 CN CNU2008201032103U patent/CN201238819Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012149876A1 (en) * | 2011-05-05 | 2012-11-08 | 深圳置善饮食管理有限公司 | Foldable chair |
| GB2504436A (en) * | 2011-05-05 | 2014-01-29 | Shenzen Zhishan Dining Man Ltd | Foldable Chair |
| US9138059B2 (en) | 2011-05-05 | 2015-09-22 | Shenzhen Zhishan Dining Management Limited | Foldable chair |
| GB2504436B (en) * | 2011-05-05 | 2016-02-24 | Shenzen Zhishan Dining Man Ltd | Foldable Chair |
| WO2016150254A1 (en) * | 2015-03-25 | 2016-09-29 | 浙江泰普森创意设计有限公司 | Director's chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |
|
| CX01 | Expiry of patent term |