CN201977248U - Chair with arc-shaped backrest - Google Patents
Chair with arc-shaped backrest Download PDFInfo
- Publication number
- CN201977248U CN201977248U CN201120031843XU CN201120031843U CN201977248U CN 201977248 U CN201977248 U CN 201977248U CN 201120031843X U CN201120031843X U CN 201120031843XU CN 201120031843 U CN201120031843 U CN 201120031843U CN 201977248 U CN201977248 U CN 201977248U
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- CN
- China
- Prior art keywords
- backrest
- foreleg
- chair
- seat
- support bar
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- 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 - Fee Related
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Abstract
The utility model discloses a chair with an arc-shaped backrest, which comprises a chair seat and a backrest; the backrest comprises two backrest rods and backrest cloth connected between the two backrest rods; and each backrest rod is provided with at least an arc-shaped section with a backward opening. The chair with the arc-shaped backrest has the following advantages that each backrest rod is provided with the arc-shaped section, so that each backrest rod is provided with a forward arc-shaped bulge, thereby providing convenience for the leaning of a user and the waist conformableness of a user, and relieving fatigue of the waist of the user.
Description
Technical field
The utility model relates to a kind of chair with arcuate backrest.
Background technology
Current chairs, it comprises a seat support and a backrest, described backrest comprises that two back support bar and are connected the backrest cloth between two back support bar, described back support bar is a direct rod shape, then make described backrest become plane, waist can't obtain comfortable leaning against when then the user used, and therefore can't satisfy consumer demand.
The utility model content
The utility model provides a kind of chair with arcuate backrest, and it has overcome the existing deficiency of the chair in the background technology.
The technical scheme that is adopted that the utility model solves its technical problem is:
A kind of chair with arcuate backrest, it comprises a seat support and a backrest, and described backrest comprises that two back support bar and are connected the backrest cloth between two back support bar, and described back support bar has opening segmental arc backwards at least.
Among one preferred embodiment: described chair base rear end and back support bar lower ending pivot are connected together.
Among one preferred embodiment: described seat support comprises that two bars, are fixed in two fixed bars and between the bar and are connected seat cloth between two bars, and described seat rod rear end and back support bar lower ending pivot are connected together.
Among one preferred embodiment: it also comprises scissors shape connection rod set and two montants of all around setting up square frame; Described scissors shape connection rod set comprises two connecting rods that the middle part is articulated, and wherein the upper end of the connecting rod of every adjacent two connection rod set is articulated by upper driven base, and the lower end of the connecting rod of every adjacent two connection rod set is articulated by following pivot seat; Described montant lower end is fixed in the following pivot seat that is positioned at rear side, slides and pass corresponding upper driven base in the upper end; Described seat support comprises a cloth, and described seat cloth connects upper driven base; Described back support bar upper end articulates the montant upper end, and the lower end articulates the connecting rod of the connection rod set that is positioned at side.
Among one preferred embodiment: described two connecting rods that are positioned at the connection rod set of front side extend upward to the handrail section.
Among one preferred embodiment: described back support bar lower end articulates the top of the connecting rod of the connection rod set that is positioned at side.
Among one preferred embodiment: it also comprises foreleg and back leg, and described back leg comprises that a sleeve pipe and is slidingly connected at the slip pipe in the sleeve pipe, and described slip pipe top is articulated in the foreleg middle part, and described back support bar upper end is installed in the foreleg upper end, and the lower end is installed in the foreleg middle part.
Among one preferred embodiment: described seat support comprises that two bars and are connected the seat cloth between two bars, and described seat rod rear end articulates back leg top, and described seat bar middle part articulates the foreleg middle part.
Among one preferred embodiment: it also comprises two handrails, two struts and two scissors shape connection rod set, described armrest rear end articulates the foreleg middle and upper part, described handrail front end articulates the strut upper end, described strut lower end articulates slide, described slide is socketed in foreleg, four ends of a described scissors shape connection rod set articulate the anterior and two foreleg lower ends of two bars respectively, and four ends of described another scissors shape connection rod set articulate the sleeve pipe bottom of two foreleg tops and two back legs respectively.
Among one preferred embodiment: attaching place between described back support bar lower end and the foreleg is between seat bar and handrail; The slip pipe of described back leg and the articulated section between the foreleg articulated section between foreleg and seat bar.
The technical program is compared with background technology, and it has following advantage:
1, back support bar has segmental arc, then makes backrest have leading arc convex, is convenient to that user's waist is comfortable to be abutted against, and can reduce user's lumbar fatigue;
2, seat rod rear end and back support bar lower ending pivot are connected together, and be then simple in structure, and it is little to take up room after folding;
3, pivot joint montant upper end on the back support bar, the lower end articulates the connecting rod of the connection rod set that is positioned at side, then can realize complete folding, and it is little to take up room after folding, then back support bar support strength height;
4, the back support bar upper end is installed in the foreleg upper end, and the lower end is installed in the foreleg middle part, does not then influence the chair foldable structure, and it is little to take up room after folding, and back support bar support strength height.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 has illustrated the schematic perspective view of the chair of first preferred embodiment, is in deployed condition this moment.
Fig. 2 has illustrated the schematic perspective view of the chair of first preferred embodiment, is in folded state this moment.
Fig. 3 has illustrated the schematic perspective view of the chair of second preferred embodiment, is in deployed condition this moment.
Fig. 4 has illustrated the left side of the chair of second preferred embodiment and has looked schematic diagram, is in deployed condition this moment.
Fig. 5 has illustrated the left side of the chair of second preferred embodiment and has looked schematic diagram, is in folded state this moment.
Fig. 6 has illustrated the schematic perspective view of the chair of the 3rd preferred embodiment, is in deployed condition this moment.
Fig. 7 has illustrated the left side of the chair of the 3rd preferred embodiment and has looked schematic diagram, is in deployed condition this moment.
Fig. 8 has illustrated the left side of the chair of the 3rd preferred embodiment and has looked schematic diagram, is in folded state this moment.
The specific embodiment
First preferred embodiment
Please refer to Fig. 1 and Fig. 2, a kind of chair with arcuate backrest, it comprises a seat support 110 and a backrest 120.
Described seat support 110 comprises that two bars 111, are fixed in first fixed bar 112 and between two bar 111 front ends and are connected seat cloth between two bars 111, does not show a cloth among the figure.
Described backrest 120 comprises that two back support bar 121, are fixed in second fixed bar 122 and between two back support bar, 121 upper ends and are connected backrest cloth between two back support bar 121, does not show backrest cloth among the figure.Described back support bar 121 has opening segmental arc backwards, among the present embodiment, and described back support bar 121 whole formation segmental arcs, but, as required, can only back support bar 121 stage casings be made as segmental arc not as limit.
Described seat bar 111 rear ends and back support bar 121 lower ending pivots are connected together.
Second preferred embodiment
Please refer to Fig. 3, Fig. 4 and Fig. 5, a kind of chair with arcuate backrest, it comprises a seat support, a backrest 220, all around sets up the scissors shape connection rod set and two montants 230 of square frame.
Described scissors shape connection rod set comprises two connecting rods 240 that the middle part is articulated, and wherein the upper end of the connecting rod 240 of every adjacent two connection rod set is articulated by upper driven base 250, and the lower end of the connecting rod 240 of every adjacent two connection rod set is articulated by following pivot seat 260.Described montant 230 lower ends are fixed in the following pivot seat 260 that is positioned at rear side, slide and pass corresponding upper driven base 250 in the upper end.Described two connecting rods 240 that are positioned at the connection rod set of front side extend upward to handrail section 270.Make described structure constitute the energy fold mechanism.
Described seat support comprises a cloth, and described seat cloth socket montant 230 is with handrail section 270 and be supported by and be connected on the upper driven base 250.
Described backrest 220 comprises that two back support bar 221 and are connected the backrest cloth between two back support bar 221, do not show backrest cloth among the figure.Described back support bar 221 has opening segmental arc backwards, among the present embodiment, and described back support bar 221 whole formation segmental arcs.
Among the present embodiment, described back support bar 221 upper ends articulate montant 230 upper ends, the top that the lower end articulates the connection rod set that is arranged in side after the top of connecting rod 240.
The 3rd preferred embodiment
Please refer to Fig. 6, Fig. 7 and Fig. 8, a kind of chair with arcuate backrest, it comprises a seat support 310, a backrest 320, two forelegs 330, two back legs 340, two connecting rods 350, two handrails 360, strut 370, two scissors shape connection rod set 380 and two slides 390.
Described seat support 310 comprises that two bars 311 and are connected the seat cloth between two bars 311, do not show a cloth among the figure.
Described backrest 320 comprises that two back support bar 321 and are connected the backrest cloth between two back support bar 321, do not show backrest cloth among the figure.Described back support bar 321 has opening segmental arc backwards, among the present embodiment, and described back support bar 321 whole formation segmental arcs.
Described back leg 340 comprises that a sleeve pipe and is slidingly connected at the slip pipe in the sleeve pipe, and described slip pipe top is articulated in the pin joint seat 331 that is installed in foreleg 330 middle parts; Described seat bar 311 rear ends articulate connecting rod 350, described connecting rod 350 affixed back legs 340 sleeve pipe tops, described seat bar 311 middle parts articulate foreleg 330 middle parts (and being positioned under the pin joint seat 331), and make when launching, and are in minimum flexible distance by back leg and realize launching to keep.
Described handrail 360 rear ends articulate foreleg 330 middle and upper parts (being positioned on the pin joint seat 331), described handrail 360 front ends articulate strut 370 upper ends, described strut 370 lower ends articulate slide 390, described slide 390 is socketed under the foreleg 330 and (is positioned under the bar 311), four ends of a described scissors shape connection rod set 380 articulate two bars, 311 anterior and two forelegs, 330 lower ends (being positioned under the slide 390) respectively, and four ends of described another scissors shape connection rod set 380 articulate the bottom of two forelegs, 330 tops (being positioned on the handrail 360) and two back legs, 340 sleeve pipes respectively.
Described back support bar 321 upper ends are installed in foreleg 330 upper ends, and the lower end is installed in foreleg 330 middle parts (between handrail and seat bar.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (10)
1. chair with arcuate backrest, it comprises a seat support and a backrest, it is characterized in that: described backrest comprises that two back support bar and are connected the backrest cloth between two back support bar, and described back support bar has opening segmental arc backwards at least.
2. a kind of chair with arcuate backrest according to claim 1 is characterized in that: described chair base rear end and back support bar lower ending pivot are connected together.
3. a kind of chair according to claim 2 with arcuate backrest, it is characterized in that: described seat support comprises that two bars, are fixed in two fixed bars and between the bar and are connected seat cloth between two bars, and described seat rod rear end and back support bar lower ending pivot are connected together.
4. a kind of chair with arcuate backrest according to claim 1 is characterized in that: it also comprises scissors shape connection rod set and two montants of all around setting up square frame; Described scissors shape connection rod set comprises two connecting rods that the middle part is articulated, and wherein the upper end of the connecting rod of every adjacent two connection rod set is articulated by upper driven base, and the lower end of the connecting rod of every adjacent two connection rod set is articulated by following pivot seat; Described montant lower end is fixed in the following pivot seat that is positioned at rear side, slides and pass corresponding upper driven base in the upper end; Described seat support comprises a cloth, and described seat cloth connects upper driven base; Described back support bar upper end articulates the montant upper end, and the lower end articulates the connecting rod of the connection rod set that is positioned at side.
5. a kind of chair with arcuate backrest according to claim 4 is characterized in that: described two connecting rods that are positioned at the connection rod set of front side extend upward to the handrail section.
6. a kind of chair with arcuate backrest according to claim 4 is characterized in that: described back support bar lower end articulates the top of the connecting rod of the connection rod set that is positioned at side.
7. a kind of chair according to claim 1 with arcuate backrest, it is characterized in that: it also comprises foreleg and back leg, described back leg comprises that a sleeve pipe and is slidingly connected at the slip pipe in the sleeve pipe, described slip pipe top is articulated in the foreleg middle part, described back support bar upper end is installed in the foreleg upper end, and the lower end is installed in the foreleg middle part.
8. a kind of chair with arcuate backrest according to claim 7 is characterized in that: described seat support comprises that two bars and are connected the seat cloth between two bars, and described seat rod rear end articulates back leg top, and described seat bar middle part articulates the foreleg middle part.
9. a kind of chair according to claim 8 with arcuate backrest, it is characterized in that: it also comprises two handrails, two struts and two scissors shape connection rod set, described armrest rear end articulates the foreleg middle and upper part, described handrail front end articulates the strut upper end, described strut lower end articulates slide, described slide is socketed in foreleg, four ends of a described scissors shape connection rod set articulate the anterior and two foreleg lower ends of two bars respectively, and four ends of described another scissors shape connection rod set articulate the sleeve pipe bottom of two foreleg tops and two back legs respectively.
10. a kind of chair according to claim 8 with arcuate backrest, it is characterized in that: attaching place between described back support bar lower end and the foreleg is between seat bar and handrail; The slip pipe of described back leg and the articulated section between the foreleg articulated section between foreleg and seat bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120031843XU CN201977248U (en) | 2011-01-28 | 2011-01-28 | Chair with arc-shaped backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120031843XU CN201977248U (en) | 2011-01-28 | 2011-01-28 | Chair with arc-shaped backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201977248U true CN201977248U (en) | 2011-09-21 |
Family
ID=44604725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120031843XU Expired - Fee Related CN201977248U (en) | 2011-01-28 | 2011-01-28 | Chair with arc-shaped backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201977248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172779A (en) * | 2013-05-27 | 2014-12-03 | 浙江泰普森休闲用品有限公司 | Folding chair |
| WO2015196575A1 (en) * | 2014-06-26 | 2015-12-30 | 浙江泰普森休闲用品有限公司 | Chair |
-
2011
- 2011-01-28 CN CN201120031843XU patent/CN201977248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172779A (en) * | 2013-05-27 | 2014-12-03 | 浙江泰普森休闲用品有限公司 | Folding chair |
| WO2015196575A1 (en) * | 2014-06-26 | 2015-12-30 | 浙江泰普森休闲用品有限公司 | Chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20130128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |