CN2634930Y - Rest folding chair frame - Google Patents
Rest folding chair frame Download PDFInfo
- Publication number
- CN2634930Y CN2634930Y CNU032179839U CN03217983U CN2634930Y CN 2634930 Y CN2634930 Y CN 2634930Y CN U032179839 U CNU032179839 U CN U032179839U CN 03217983 U CN03217983 U CN 03217983U CN 2634930 Y CN2634930 Y CN 2634930Y
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- CN
- China
- Prior art keywords
- support bar
- sleeve
- bar
- lugs
- piece
- 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 - Fee Related
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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
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- Special Chairs (AREA)
Abstract
A recreational folding chair frame comprises components of the two front legs and the two back legs; the components of the back legs is the components of extension tube comprising a sleeve and a sleeve rod, the upper end of the sleeve rod is articulated with the front legs; two beams, the beam is articulated with the front legs, and the back end is articulated with the sleeve; two handrails, the central part of the handrail is articulated with the central part of the front leg, and the back end id articulated with the central part of the sleeve; a first crossing components which comprise two support rods crossed into X shape, the two ends of the support rods are respectively articulated with the front end of the beam and the lower end of the front leg; a second crossing components which comprise two support rods crossed into X shape, and the two ends of the support rods are respectively articulated with the upper end of the front leg and the upper end of the sleeve. The number of rod of the recreational folding chair frame is few, the structure is simple, and the structure is compact after being folded.
Description
Affiliated technical field
The utility model belongs to the furniture daily living article, particularly relates to a kind of foldable chair frame.
Background technology
In the modern furniture, no matter be household furniture or office furniture, very high requirement all arranged in practicality, convenience, security, comfortableness.Early stage folding seat frame exists can not be folding fully, and complex structure, not compact carries inconvenience, problems such as cost height.At above-mentioned problem, people have proposed a solution, as Chinese utility model patent specification publication number for CN 2461389Y discloses the solution of a kind of by name " the folding seat bracing frame of Armrest ".The folding seat bracing frame of Armrest as shown in Figure 1, four sides are formed by X-shaped support (10), corresponding support bar termination, adjacent two sides respectively in twos hinge in same hinge head (12,11,6,3) form folding flex point, backrest support rods (1) vertical to the back upper hinge head (3) that passes rear side with being slidingly matched, and the lower end is connected with the back hinge head down of trailing flank; Both sides respectively are provided with a handrail support bar (9 before and after bracing frame beside X-shaped support, 5), two handrail post uppers respectively with level to handrail (2) preceding, the rear portion hinge connects, wherein a support bar is a drop-down handrail support bar (5), its middle part is connected with the last brace part hinge of respective side X-shaped support by sliding fiting sleeve sliding sleeve (4) thereon, sliding sleeve (7) hinge on the following brace part of lower end and homonymy X-shaped support is connected, another support bar is a last top handrail support bar (9), its middle part is connected with the last brace part hinge of respective side X-shaped support, the lower end be enclosed within this side X-shaped support with being slidingly matched under sliding sleeve (8) hinge on the brace be connected.Though this scheme has solved some above-mentioned problems, has also had some shortcomings: one, the complex structure of this folding seat bracing frame, rod member number are many; Its two, stressed unreasonable owing to stressedly damage chair cloth easily when chair cloth is enclosed within folding flex point in use in four folding flex points, reduce life-span of folding seat bracing frame; Its three, folding or open action is loaded down with trivial details, use inconvenient; Its four, used sliding sleeve and handrail support bar fit structure on the structure, sliding sleeve is too much, damages easily, reduces the life-span of folding seat bracing frame; Its five, backrest support rods vertically to pass back upper hinge head with being slidingly matched, is damaged hinge head easily, folds, is blocked easily when opening folding seat, reduces the life-span of folding seat bracing frame; Its six, the chair frame after folding, volume is big; Its seven, the manufacturing cost height.
Summary of the invention
The utility model is intended at above-mentioned the deficiencies in the prior art part, provides a kind of rod member number a kind of foldable chair frame few, simple in structure, easy to use.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of foldable chair frame comprises two forelegs, two rear leg assemblies; Two cross bars, its respectively with the hinged connection of two forelegs; Two handrails, wherein portion respectively with the hinged connection in two forelegs middle parts;
First cross members, it comprises first support bar and second support bar of decussate, one end of first support bar and the hinged respectively front end that is linked in two cross bars of an end of second support bar, the hinged respectively lower end that is linked in two forelegs of the other end of the other end of first support bar and second support bar;
Second cross members, it comprises the 3rd support bar and the 4th support bar of decussate, an end of the 3rd support bar and an end of the 4th support bar respectively with the hinged connection of two forelegs;
Two forelegs all extend upward the formation back support bar;
Two rear leg assemblies all are telescopic tube assembly, it comprises that all sleeve and lower end are enclosed within the loop bar in the sleeve, the upper end of two loop bars respectively with the hinged connection of two forelegs, the middle part of two sleeves respectively with the hinged connection in the rear end of two handrails, two sleeves respectively with the hinged connection in the rear end of two cross bars, the lower end of two sleeves respectively with the other end of the 3rd support bar, the hinged connection of the other end of the 4th bar.
The limited block of minimum relative movement distance between fixedly sleeved restricted sleeve in the upper end of loop bar described in the utility model and the loop bar.
Limited block described in the utility model upper end is provided with two lugs, two lugs and be inserted in foreleg rotation-coupled between the groove that is surrounded by two lugs.
Inboard, sleeve described in the utility model middle and upper part is fixed with first and rotates connecting block, the hinged first rotation connecting block that is linked in the rear end of cross bar.
Described in the utility model first rotates connecting block comprises integrated arc-like sheet and brace, and the arc-like sheet fixed connection links the hinged rear end that is linked in cross bar of sheet on sleeve.
Foreleg described in the utility model middle part fixed cover is connected to locating piece, and the locating piece lower inside is provided with the one-tenth U-shaped auxiliary member that is matched with cross bar, and the locating piece outer upper is provided with the projection that has groove.
Handrail described in the utility model middle part fixed cover is connected to second piece that is rotationally connected, and second piece that is rotationally connected is provided with two lugs.
The described in the utility model second a slice lug that is rotationally connected piece is inserted between the groove of projection, the second hinged connection of projection that is rotationally connected piece and locating piece.
The middle part fixed cover of sleeve described in the utility model is connected to the 3rd piece that is rotationally connected, and the 3rd piece outside that is rotationally connected is provided with two lugs, two lugs and be inserted in armrest rear end rotation-coupled between the groove that is surrounded by two lugs.
Advantage of the present utility model is: few, simple in structure, the stressed reasonable science of a kind of foldable chair hack lever number of packages; Foreleg extends upward direct formation back support bar, reduces the rod member number, increases the bulk strength of chair frame and cooperates intensity; Handrail hinged with back leg and foreleg, can reduce the rod member number, increase the intensity of chair frame; Rear leg assemblies is a telescopic tube assembly, comprises sleeve and loop bar, and this structure plays guide effect when folding or opening, not fragile; The loop bar lower end is enclosed within the sleeve, the intensity height of rear leg assemblies; The use piece that is rotationally connected can make the intensity of total good, can conveniently fold or open the folding seat frame; When opening the folding seat frame, utilize the limited block on the cross bar, fixed fold chair frame, safe and reliable, stressed reasonable; Locating piece is provided with auxiliary member, when opening the folding seat frame, can play the effect of supplemental support cross bar; Locating piece is fixedly sleeved at the foreleg middle part, and locating piece cooperates intensity good with foreleg; The piece that is rotationally connected is provided with two lugs, and it is more reasonable to cooperate, stressed science, and it is convenient to fold the action of opening the chair frame; The rotating connector that has two lugs makes, and the parts that rotate around lug can only rotate in a plane, and are rational in infrastructure, opens, folding convenient; Chair cloth directly is enclosed within on the cross bar, and the stress surface of chair cloth is big, and chair cloth is not fragile; Foldable chair support body after folding is long-pending little, easy to carry; Foldable chair frame low cost of manufacture.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail, but a kind of foldable chair frame of the present utility model is not limited to present embodiment.
Accompanying drawing 2 is the complete open structural representation of present embodiment.
Accompanying drawing 3 is present embodiment half an open structural representation.
Accompanying drawing 4 is the folding structural representation of present embodiment.
Accompanying drawing 5 is the user mode figure of present embodiment.
The specific embodiment
A kind of foldable chair frame of the utility model shown in accompanying drawing 2,3,4, comprises two forelegs 1, two rear leg assemblies 2, two cross bars 3, two handrails 4, first cross members 5, second cross members 6.Two forelegs 1, two rear leg assemblies 2, two cross bars 3, two handrails 4 all respectively symmetry be positioned at first cross members 5 and second cross members, 6 left and right sides.
The upper end of loop bar 22 is fixedly sleeved limited block 23.The diameter of limited block 23 is greater than the diameter of loop bar 22, so limited block 23 can limit minimum relative movement distance between sleeve 21 and the loop bar 22 with cooperating of sleeve 21.The upper end of limited block 23 is provided with two lugs 231.Foreleg 1 is inserted between the groove that is surrounded by two lugs 231, and forms rotation-coupled.The upper end of loop bar 22 and foreleg 1 hinged connection.
Inboard, sleeve 21 middle and upper part is fixed with first and rotates connecting block 24.First rotates connecting block 24 comprises integrated arc-like sheet 241 and brace 242.Arc-like sheet 241 fixed connections are on sleeve 21.Link the sheet 242 hinged rear ends that are linked in cross bar 3.The hinged connection in rear end of sleeve 21 and cross bar 3.
The middle part fixed cover of sleeve 21 is connected to the 3rd piece 25 that is rotationally connected.The 3rd piece 25 outsides that are rotationally connected are provided with two lugs 251.Be inserted between the groove that is surrounded by two lugs 251 handrail 4 rear ends.Two lugs 251 and the hinged connection in handrail 4 rear ends.The hinged connection in rear end of sleeve 21 and handrail 4.
The upper end of first support bar 51 by with lug 532 hinged connections, thereby with the 4th piece 53 hinged connections that are rotationally connected.The front end sleeve of cross bar 3 is rotationally connected on the U-shaped spare 531 of piece 53 the 4th, and with the 531 hinged connections of U-shaped spare.The hinged connection of front end of first support bar 51 and cross bar 3.In like manner, the hinged connection of front end of the upper end of second support bar 52 and another cross bar 3.The lower end of the lower end of first support bar 51, second support bar 52 respectively with the hinged connection in the lower end of two forelegs 1.In like manner, the upper end of the upper end of the 3rd support bar 61 and the 4th support bar 62 respectively with the 11 hinged connections of two back support bar; The lower end of the lower end of the 3rd support bar 61 and the 4th support bar 62 respectively with the hinged connection in the lower end of two sleeves 21.
Accompanying drawing 5 puts the user mode figure of chair cloth 7 and backrest cloth 8 for the folding seat frame.Chair cloth 7 is socketed on two cross bars 3.Backrest cloth 8 is socketed on two back support bar 11.
Claims (9)
1, a kind of foldable chair frame comprises two forelegs, two rear leg assemblies; Two cross bars, its respectively with the hinged connection of two forelegs; Two handrails, wherein portion respectively with the hinged connection in two forelegs middle parts;
First cross members, it comprises first support bar and second support bar of decussate, one end of first support bar and the hinged respectively front end that is linked in two cross bars of an end of second support bar, the hinged respectively lower end that is linked in two forelegs of the other end of the other end of first support bar and second support bar;
Second cross members, it comprises the 3rd support bar and the 4th support bar of decussate, an end of the 3rd support bar and an end of the 4th support bar respectively with the hinged connection of two forelegs, it is characterized in that:
Two forelegs all extend upward the formation back support bar;
Two rear leg assemblies all are telescopic tube assembly, it comprises that all sleeve and lower end are enclosed within the loop bar in the sleeve, the upper end of two loop bars respectively with the hinged connection of two forelegs, the middle part of two sleeves respectively with the hinged connection in the rear end of two handrails, two sleeves respectively with the hinged connection in the rear end of two cross bars, the lower end of two sleeves respectively with the other end of the 3rd support bar, the hinged connection of the other end of the 4th bar.
2, a kind of foldable chair frame according to claim 1 is characterized in that: the limited block of minimum relative movement distance between fixedly sleeved restricted sleeve in the upper end of described loop bar and the loop bar.
3, according to claim 1,2 described a kind of foldable chair framves, it is characterized in that: described limited block upper end is provided with two lugs, two lugs and be inserted in foreleg rotation-coupled between the groove that is surrounded by two lugs.
4, a kind of foldable chair frame according to claim 1 is characterized in that: inboard, described sleeve middle and upper part is fixed with first and rotates connecting block, the hinged first rotation connecting block that is linked in the rear end of cross bar.
5, according to claim 1,4 described a kind of foldable chair framves, it is characterized in that: described first rotates connecting block comprises integrated arc-like sheet and brace, and the arc-like sheet fixed connection links the hinged rear end that is linked in cross bar of sheet on sleeve.
6, a kind of foldable chair frame according to claim 1 is characterized in that: described foreleg middle part fixed cover is connected to locating piece, and the locating piece lower inside is provided with the one-tenth U-shaped auxiliary member that is matched with cross bar, and the locating piece outer upper is provided with the projection that has groove.
7, a kind of foldable chair frame according to claim 1 is characterized in that: described handrail middle part fixed cover is connected to second piece that is rotationally connected, and second piece that is rotationally connected is provided with two lugs.
8, according to claim 6,7 described a kind of foldable chair framves, it is characterized in that: the described second a slice lug that is rotationally connected piece is inserted between the groove of projection, the second hinged connection of projection that is rotationally connected piece and locating piece.
9, a kind of foldable chair frame according to claim 1, it is characterized in that: the middle part fixed cover of described sleeve is connected to the 3rd piece that is rotationally connected, the 3rd the be rotationally connected piece outside is provided with two lugs, two lugs and be inserted in armrest rear end rotation-coupled between the groove that is surrounded by two lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032179839U CN2634930Y (en) | 2003-06-05 | 2003-06-05 | Rest folding chair frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032179839U CN2634930Y (en) | 2003-06-05 | 2003-06-05 | Rest folding chair frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2634930Y true CN2634930Y (en) | 2004-08-25 |
Family
ID=34290173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032179839U Expired - Fee Related CN2634930Y (en) | 2003-06-05 | 2003-06-05 | Rest folding chair frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2634930Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016082268A1 (en) * | 2014-11-24 | 2016-06-02 | 浙江泰普森创意设计有限公司 | Chair |
| CN107343699A (en) * | 2017-06-30 | 2017-11-14 | 胡晓艇 | One kind hair washing support |
-
2003
- 2003-06-05 CN CNU032179839U patent/CN2634930Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016082268A1 (en) * | 2014-11-24 | 2016-06-02 | 浙江泰普森创意设计有限公司 | Chair |
| CN107343699A (en) * | 2017-06-30 | 2017-11-14 | 胡晓艇 | One kind hair washing support |
| CN107343699B (en) * | 2017-06-30 | 2023-06-02 | 胡晓艇 | Hair washing support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040825 Termination date: 20120605 |