CN2574524Y - Fallow folding chair-support - Google Patents
Fallow folding chair-support Download PDFInfo
- Publication number
- CN2574524Y CN2574524Y CN 02251562 CN02251562U CN2574524Y CN 2574524 Y CN2574524 Y CN 2574524Y CN 02251562 CN02251562 CN 02251562 CN 02251562 U CN02251562 U CN 02251562U CN 2574524 Y CN2574524 Y CN 2574524Y
- Authority
- CN
- China
- Prior art keywords
- support bar
- chair
- arc support
- backrest
- pin
- 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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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a leisure folding chair bracket, which comprises a folding chair seat stand and two backrest vertical bars, wherein, the two backrest vertical bats are fixed at both sides of the rear part of the chair seat stand. Both sides of a cambered support bar are respectively hinged with the upper ends of the two backrest vertical bars through a connecting part, the cambered support bar is divided into two sections along the middle part of the support bar, and a connecting fitting is arranged between the two sections of the cambered support bar, wherein, the two sections of the cambered support bars can be mutually bent by the connecting fitting. After adopting the structure, the cambered support bar can support the two backrest vertical bars under the condition of no influence on the complete folding of the chair, the bearing force of the chair back is enhanced, and the stability of the chair can be increased. After chair cloth is sheathed outside the cambered support bar, the state that the chair back is connected with an armrest is formed, the chair which is in the state encircles people in the chair, and therefore, people feel comfortable. Both ends of the cambered support bar are used as the armrests which have a certain holding power, which can cause the armrests to play a role adequately, and comfortable degree which is formed because of the set of the armrests when human body sit is increased.
Description
Technical field
The utility model belongs to the furniture daily living article, particularly relates to a kind of foldable chair support that is suitable for travelling or camp and uses.
Background technology
Chair is a kind of important furniture daily living article, no matter be that family room uses or the unit office is used, people be unable to do without it, fast development along with Chinese national economy, living standards of the people are greatly improved, getting more and more of people's out on tours now or stress-relieving activity such as outside imitating, camp, this has embodied the variation that the modern life is pursued, during stress-relieving activity need rests such as the past people camp in out on tours or outside imitating, spread a Polypropylence Sheet or paper often on the ground, sit on the ground then, that sits like this was both uncomfortable, also influence environmental protection everywhere because of throwing out without care of Polypropylence Sheet or paper, a kind of for this reason foldable chair that possesses folding functional arises at the historic moment, articles for use shown in Figure 1 are the foldable chair of this type of prior art, it is mainly by the chair seat frame of folding fully, the backrest montant, and chair cloth is formed, chair seat frame has comprised four groups of scissors shape connecting rods that are hinged, by opening of scissors shape connecting rod with closed, can realize foldable chair is folded into very little volume, very convenient in collecting and going out to portably use, therefore be widely used in various leisure occasions.But owing to its chair back of chair of this kind structure is to be nested with at two backrest montants by chair cloth to constitute, no any support between two backrest montants, for this reason after the people is sitting on the leisure chaise longue, the one, the back part of human body entirely for chair cloth its to lean dynamics not enough, thereby comfort level is not enough; The 2nd, under the pressure of human body back, not support because of having between two backrest montants, the top of two backrest montants is easy to intermediate, inclined, and influences the stability of chair; Its handrail of the chair of this kind structure is that also soft cloth constitutes on the other hand, and the front portion of handrail is to be fixedly connected with chair seat frame, and the rear portion of handrail is to be enclosed within on the backrest montant, and when people's both hands frame was on handrail, the rear portion of handrail can be to lower slider, and makes handrail ineffective.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of foldable chair support that increases chair back holding capacity and comfort level and handrail can effectively be utilized is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of foldable chair support, comprise a folding chair seat frame, two backrest montants, two backrest montants are fixed in the both sides at chair seat frame rear portion, the both sides of one arc support bar are hinged with the upper end of two backrest montants respectively, the arc support bar is divided into two joints along the middle part, be provided with the connector that it is bent mutually between the two joint arc support bars.
Described connector comprises left and right pivot connector, and each fixedly links with a joint arc support bar each end of left and right pivot connector respectively, and each other end of left and right pivot connector is hinged.
But a described left side articulates the trepanning that first end is provided with socket arc support bar, and the other end is provided with two lugs, and correspondence is provided with a pin-and-hole on each lug.
But described Thuban joint one end is provided with the trepanning of socket arc support bar, and the other end is provided with three lugs, and correspondence is provided with a pin-and-hole on each lug;
Two lugs that are hinged to left pivot connector of described left pivot connector and Thuban joint are inserted between three two grooves that lug surrounded of Thuban joint, and a pin is connected in the pin-and-hole of each sheet lug correspondence.
Described backrest montant upper end also is provided with connecting portion with the place of being hinged of arc support bar, and backrest montant upper end fixedly links with connecting portion, and arc support bar and connecting portion are hinged.
But described connecting portion one end is provided with the trepanning of socket backrest montant, and the other end is provided with two lugs, and correspondence is provided with a pin-and-hole on each lug.
Being hinged to the arc support bar is inserted between the groove that is surrounded by two lugs of described arc support bar and connecting portion, the pin pin-and-hole by two lugs with the cross-under of arc support bar wherein.
The beneficial effects of the utility model are, owing to adopt a hinged arc support bar on two backrest montants, and the arc support bar is divided into two joints that can bend mutually along the middle part by connector, what make can carry out under the fully folding situation not influencing chair, this arc support bar can play a supportive role to two backrest montants, strengthen the holding capacity of the chair back, increased the stability of chair; Behind this arc support bar overcoat chair cloth, just formed the form that the chair back links to each other with handrail, and the people that the chair of this form will be sitting in wherein is surrounded, therefore very comfortable; And with the two ends of arc support bar as handrail, possess certain support force, handrail is played one's part to the full, comfort level because of there being handrail to form when increasing human body simultaneously and sitting.The utility model is a kind of foldable chair support that increases chair back holding capacity and comfort level and handrail can effectively be utilized.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail; But foldable chair support of the present utility model is not limited to embodiment.
Fig. 1 is the organigram of prior art foldable chair;
Fig. 2 is an organigram of the present utility model;
Fig. 3 is the partial enlarged drawing at A place among Fig. 2;
Fig. 4 is the partial enlarged drawing at B place among Fig. 2;
Fig. 5 is the organigram of the utility model folded state;
Fig. 6 is the partial enlarged drawing at A place among Fig. 5;
Fig. 7 is the partial enlarged drawing at B place among Fig. 5.
The specific embodiment
Shown in accompanying drawing, foldable chair support of the present utility model, comprise a folding chair seat frame 1, two backrest montants 2, chair seat frame 1 main four groups of scissors shape connecting rods that are hinged are formed, by opening of scissors shape connecting rod with closed, can realize foldable chair is folded into very little volume, like this can be very convenient in collecting and going out to portably use; Two backrest montants 2 are fixed in the both sides at chair seat frame 1 rear portion, one arc support bar, 3 both sides are hinged with the upper end of two backrest montants 2 respectively, be provided with connecting portion 21 at its place of being hinged, connecting portion 21 1 ends are provided with trepanning 211, the other end is provided with two lugs 212, correspondence respectively is provided with a pin-and-hole 2121 on the lug 212, the upper end of backrest montant 2 is inserted in the trepanning 211 of connecting portion 21 and tightly touches and fix, arc support bar 3 is inserted between the groove that two lugs 212 by connecting portion 21 are surrounded, and the pin-and-hole 2121 that passes two lugs 212 with a pin 213 with 3 cross-under of arc support bar wherein.Arc support bar 3 is divided into two joints along the middle part, each is hinged with the upper end of a backrest montant 2 to make every joint arc support bar 3, is provided with one and can makes its connector that bends mutually 31 between two joint arc support bars 3; Connector 31 includes left pivot connector 311, Thuban joint 312, and left pivot connector 311 1 ends are provided with trepanning 3111, and the other end is provided with two lugs 3112, and correspondence respectively is provided with a pin-and-hole on the lug 3112; Thuban joint 312 1 ends are provided with trepanning 3121, and the other end is provided with three lugs 3122, and correspondence respectively is provided with a pin-and-hole on the lug 3122; The trepanning 3111 of left pivot connector 311 and a joint arc support bar 3 are socket-connected, and fix, trepanning 3121 and another joint arc support bar 3 of Thuban joint 312 socket-connected, fix in the mode of tightly touching equally in the mode of tightly touching; Two lugs 3112 of left pivot connector 311 are inserted between two grooves that three lugs 3122 of Thuban joint 312 are surrounded, are connected to a pin 313 in the pin-and-hole of each sheet lug 3112,3122 correspondence, left pivot connector 311 is formed with Thuban joint 312 be hinged.
When needs fold the utility model, extremely shown in Figure 7 referring to Fig. 5, earlier chair seat frame 1 is folded, because the folding of chair seat frame 1 is to utilize the closure of scissors shape connecting rod to realize, when scissors shape connecting rod is closed, two backrest montants 2 are mutually near drawing in, arc support bar 3 is also inwardly drawn in by the traction of backrest montant 2, because arc support bar 3 is with backrest montant 2 is hinged by connecting portion 21 and two save between the arc support bars 3 and be hinged by connector 31, can realize that for this reason two joint arc support bars 3 bend inwards around the pin 313 of connector 31, in the bending process, left side pivot connector 311 outwards separates mutually with Thuban joint 312, two lugs 3112 of left side pivot connector 311 are deviate between two grooves that three lugs 3122 by Thuban joint 312 are surrounded, under left pivot connector 311 and the drive that outwards separates Thuban joint 312 joints, two joint arc support bars 3 are the shape that bends inwards, and then have realized the folding of whole foldable chair support, and reach minimum folded state.
When needs are opened the utility model, extremely shown in Figure 4 referring to Fig. 2, earlier chair seat frame 1 is opened, because opening of chair seat frame 1 is to utilize opening of scissors shape connecting rod to realize, when scissors shape connecting rod opens, two backrest montants 2 outwards open mutually, being the arc support bar 3 that draws shape in also outwards opened by the traction of backrest montant 2, because arc support bar 3 is with backrest montant 2 is hinged by connecting portion 21 and two save between the arc support bars 3 and be hinged by connector 31, can realize for this reason that two joint arc support bars 3 outwards open around the pin 313 of connector 31 and stretch, in the process of stretching, left side pivot connector 311 docks mutually with Thuban joint 312, two lugs 3112 of left side pivot connector 311 pack between two grooves that three lugs 3122 by Thuban joint 312 are surrounded, until the front end of two lugs 3112 with pushing up mutually at the bottom of two grooves that three lugs 3122 are surrounded till left pivot connector 311 can not be rotated mutually with Thuban joint 312, under the drives that left pivot connector 311 and Thuban joint 312 docks mutually, two joint arc support bars 3 be outwards stretch open-shaped, and then realized opening of whole foldable chair support, and reach the stable support effect of 3 pairs of two backrest montants 2 of arc support bar.
Claims (8)
1. foldable chair support, comprise a folding chair seat frame, two backrest montants, two backrest montants are fixed in the both sides at chair seat frame rear portion, it is characterized in that: it also comprises an arc support bar, arc support bar both sides are hinged with the upper end of two backrest montants respectively, the arc support bar is divided into two joints along the middle part, be provided with the connector that it is bent mutually between the two joint arc support bars.
2. foldable chair support according to claim 1, it is characterized in that: described connector comprises left and right pivot connector, each fixedly links with a joint arc support bar each end of left and right pivot connector respectively, and each other end of left and right pivot connector is hinged.
3. foldable chair support according to claim 2 is characterized in that: but a described left side articulates the trepanning that first end is provided with socket arc support bar, the other end is provided with two lugs, and correspondence respectively is provided with a pin-and-hole on the lug.
4. foldable chair support according to claim 2 is characterized in that: but described Thuban joint one end is provided with the trepanning of socket arc support bar, the other end is provided with three lugs, and correspondence respectively is provided with a pin-and-hole on the lug;
5. foldable chair support according to claim 1 and 2, it is characterized in that: two lugs that are hinged to left pivot connector of described left pivot connector and Thuban joint are inserted between three two grooves that lug surrounded of Thuban joint, and a pin is connected in the pin-and-hole of each sheet lug correspondence.
6. foldable chair support according to claim 1 is characterized in that: described backrest montant upper end also is provided with connecting portion with the place of being hinged of arc support bar, and backrest montant upper end fixedly links with connecting portion, and arc support bar and connecting portion are hinged.
7. foldable chair support according to claim 6 is characterized in that: but described connecting portion one end is provided with the trepanning of socket backrest montant, the other end is provided with two lugs, and correspondence respectively is provided with a pin-and-hole on the lug.
8. according to claim 1 or 6 described foldable chair supports, it is characterized in that: being hinged to the arc support bar is inserted between the groove that is surrounded by two lugs of described arc support bar and connecting portion, the pin pin-and-hole by two lugs with the cross-under of arc support bar wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251562 CN2574524Y (en) | 2002-05-21 | 2002-12-11 | Fallow folding chair-support |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02220765.1 | 2002-05-21 | ||
| CN02220765 | 2002-05-21 | ||
| CN 02251562 CN2574524Y (en) | 2002-05-21 | 2002-12-11 | Fallow folding chair-support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574524Y true CN2574524Y (en) | 2003-09-24 |
Family
ID=34064998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02251562 Expired - Fee Related CN2574524Y (en) | 2002-05-21 | 2002-12-11 | Fallow folding chair-support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574524Y (en) |
-
2002
- 2002-12-11 CN CN 02251562 patent/CN2574524Y/en not_active Expired - Fee Related
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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: 20030924 Termination date: 20111211 |