CN2574525Y - Seat supporting frame structure - Google Patents
Seat supporting frame structure Download PDFInfo
- Publication number
- CN2574525Y CN2574525Y CN02290065U CN02290065U CN2574525Y CN 2574525 Y CN2574525 Y CN 2574525Y CN 02290065 U CN02290065 U CN 02290065U CN 02290065 U CN02290065 U CN 02290065U CN 2574525 Y CN2574525 Y CN 2574525Y
- Authority
- CN
- China
- Prior art keywords
- handrail
- chair
- rod
- chair back
- pole
- 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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Classifications
-
- 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
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses an armchair with an adjustable chair back, which belongs to a folding chair composed of a metal pipe with a flexible back surface. The utility model comprises a supporting rod group of a front erect end face, a back erect end face, a left erect end face and a right erect end face which are formed by four groups of X-shaped supporting inclined rods crosswise pivoted with each other, chair cloth and hard handrails with adjuatable grooves. A back supporting vertical rod is arranged between connecting blocks of the upper and the lower end heads at the back parts of the left erect end face and the right erect face, and a rest rod of a chair back, a supporting rod of a handrail and an auxiliary supporting rod of a handrail are additionally arranged on the left and the right erect end faces, wherein the back end of each handrail is pivoted on the rest rod of the chair back, the lower end of the supporting rod of the handrail is pivoted to a sliding sleeve sheathed at the lower part of the back supporting vertical rod of a chair seat, and the lower end of the auxiliary supporting rod of the handrail is pivoted on the upper part of a front supporting inclined rod of the chair seat. The utility model overcomes the structural defects of products of the prior art, and has the advantages of simple structure and reliable support.
Description
Affiliated technical field
The utility model relates to travelling and the flexible folding seat of forming by the metal tube of face of camp appliances, especially tool.
Background technology
As shown in Figure 1, be a chair back adjustable handrail chair, mainly form by support bar group 1 ', chair cloth (not shown) and handrail 3 ', wherein:
Support bar group 1 ' is formed four upright end faces all around by the knighthead that four groups of " X " shapes intersections articulate, and the termination that the termination up and down that two adjacent upright end faces connect is established link block and each knighthead respectively articulates; About the rear portion of two upright end faces be provided with between the link block of termination up and down back vertical supporting rod 13 ' and about two upright end faces set up the secondary pole 16 ' of chair back rod 11 ', handrail pole 14 ' and handrail.Wherein, chair back rod 11 ' lower end sleeve one supporting seat 4 ' pivot bush unit is in preceding knighthead 12 ' below, and the middle part of chair back rod 11 ' is articulated on the vertical supporting rod 13 ' of back; Handrail 3 ' is made for hard material, and its two inner webs top forms shift slot 31 ' respectively; The upper end of handrail pole 14 ' articulates a slide block 5 ' and the elevation angle of adjusting the chair back cooperating of shift slot 31 '; The lower ending pivot of handrail pole 14 ' is connected on the sliding sleeve 17 ' of the back knighthead 15 ' below that is sleeved on seat support, for strengthening the support degree of handrail 3 ', also be articulated with the secondary pole 16 ' of a handrail in the top of handrail pole 14 ', the secondary pole 16 ' lower ending pivot of handrail is connected on the sliding sleeve 18 ' on the back knighthead 15 ' top that is sleeved on seat support; Be provided with a locker 6 ' in the rear end of handrail 3 ', handrail 3 ' can be locked in chair back rod 11 ' top.The first half of chair cloth will be socketed on the upper end of the chair back rod 11 ' of both sides, and four jiaos of the Lower Half of chair cloth will be separately fixed on four link blocks of support bar group 1 ' upper surface.
In the armchair of said structure, because the secondary pole 16 ' of handrail pole 14 ' and handrail all is to be sleeved on the back knighthead 15 ' of seat support after articulating, then in use, the front end of handrail 3 ' has the sensation of rocking, and makes the user think that support is not firm by mistake; In addition, because the rear end of handrail 3 ' is to be connected with chair back rod 11 ' by locker 6 ', parts slightly complicated then.
Summary of the invention
The purpose of this utility model is to provide a kind of cooperation hard handrail and simple in structure, the reliable chair back adjustable handrail chair of support.
For reaching above-mentioned purpose, solution of the present utility model is: chair back adjustable handrail chair comprises support bar group, chair cloth and handrail; Support bar group is formed four upright end faces all around by the knighthead that four groups of " X " shapes intersections articulate, and the termination that the termination up and down that two adjacent upright end faces connect is established link block and each knighthead respectively articulates; About the rear portion of two upright end faces be provided with between the link block of termination up and down the back vertical supporting rod and about two upright end faces set up the secondary pole of chair back rod, handrail pole and handrail; Wherein, chair back rod lower end sleeve one supporting seat pivot bush unit is in preceding knighthead below, and the middle part of chair back rod is articulated on the vertical supporting rod of back; Handrail two inner webs top forms shift slot respectively; The upper end of handrail pole articulates a slide block and is arranged in the shift slot of handrail; Above handrail pole, also articulate the upper end of the secondary pole of handrail; The first half of chair cloth is socketed on the upper end of the chair back rod of both sides, and four jiaos of the Lower Half of chair cloth are separately fixed on four link blocks of support bar group upper surface; It is characterized in that: the lower ending pivot of handrail pole is connected on the sliding sleeve of the back vertical supporting rod below that is sleeved on seat support, and the secondary pole lower ending pivot of handrail is connected on the preceding knighthead top of seat support; The rear end of handrail is articulated in chair back rod top.
And then: the rear end of described handrail forms pod and forms pin joint seat, and the pod of this pin joint seat contains chair back rod, and this pin joint seat and chair back rod articulate.
Particularly: the middle part of handrail pole is articulated in the top of the back knighthead of seat support.
The utility model chair back adjustable handrail chair is exchanged with handrail pole long in the prior art products with than the front and back position of the secondary pole of short handrail; And handrail pole is connected with the back vertical supporting rod of seat support, the lower end of the secondary pole of handrail changes direct pivot joint into by the pivot joint of sliding, and the front end of handrail is connected apart from shortening with support bar group, and the rear end of handrail directly is articulated on the chair back rod; Reduced the sliding sleeve of the secondary pole of handrail lower end and the locker of armrest rear end, thereby avoided the fault of construction of prior art products, implementation structure is simple, support reliable purpose.The pod of the rear end pin joint seat of handrail contains chair back rod, and the swing of handrail is littler.The middle part of handrail pole is articulated in the top of the back knighthead of seat support.Handrail pole is more firm, the more difficult swing of handrail.
Description of drawings
Fig. 1 is a perspective view of commonly using product.
Fig. 2 is the perspective view of the utility model chair back adjustable handrail chair.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is that the chair back of the utility model chair back adjustable handrail chair is adjusted action diagram.
Fig. 5 is the folding action diagram of the utility model chair back adjustable handrail chair.
The specific embodiment
As shown in Figure 2, the handrail 3 that the support bar group 1 that the utility model chair back adjustable handrail chair is made by metal tube, chair cloth 2 and hard material are made is formed, wherein:
About two upright end faces, chair back rod 11 lower ends articulate a supporting seat 4 pivot bush units in preceding knighthead 12 belows, the middle part of chair back rod 11 be articulated in the back vertical supporting rod 13 on.The back vertical supporting rod 13 of seat support is made up of the interior loop bar 131 and the outer loop bar 132 of inside and outside suit; The lower end of outer loop bar 132 is fixed on the link block 10 of the back lower place, the sliding sleeve 17 that middle part socket handrail pole 14 lower ends of outer loop bar 132 articulate, and the upper end of outer loop bar 132 is fixed with the pin joint seat 19 that articulates chair back rod 11 middle parts; The upper end of interior loop bar 131 is fixed with the link block 10 of back upper place.Handrail 3 is the strip housing of a bottom opening, and its two inner webs top forms a plurality of shift slots 31 by the front and back lattice respectively.The rear end of handrail 3 forms pod and forms pin joint seat 32, sees also Fig. 3, and the pod 33 of this pin joint seat 32 contains chair back rod 11, and this pin joint seat 32 articulates with chair back rod 11 and makes the rear end of handrail 3 be articulated in chair back rod 11 tops.The upper end of handrail pole 14 articulates a slide block 5, and slide block 5 tops have card article to be arranged in the shift slot 31 of handrail 3; The middle part of handrail pole 14 is articulated in the top of the back knighthead 15 of seat support; The lower ending pivot of handrail pole 14 is connected on the sliding sleeve 17, is sleeved on back vertical supporting rod 13 belows of seat support on this sliding sleeve 17.Above handrail pole 14, also articulate the upper end of the secondary pole 16 of handrail; Secondary pole 16 lower ending pivots of handrail are connected on preceding knighthead 12 tops of seat support.Because the lower end of the secondary pole 16 of handrail makes the front end of handrail 3 and being connected apart from shortening of support bar group 1 on the knighthead 12 before directly being articulated in and to play length shorter, the pod 33 containing chair back rods 11 of the rear end of handrail 3, the swing of handrail 3 is littler; The middle part of handrail pole 14 is articulated in the top of the back knighthead 15 of seat support in addition, and handrail pole 14 is more firm, handrail 3 more difficult swings.
The first half of chair cloth 2 is socketed on the upper end of the chair back rod 11 of both sides, and four jiaos of the Lower Half of chair cloth 2 are separately fixed on four link blocks 10 of support bar group 1 upper surface.
As shown in Figure 4, when regulating the chair back angle of armchair, upwards gently lift handrail 3 from front end, the card article that makes shift slot 31 break away from slide block 5 tops draws or pushes away handrail 3, and the drive-connecting shaft of chair back rod 11 around the middle part that handrail 3 rear ends will drive its pivot joint rotates; The degree of depth of chair back rod 11 lower end sleeves in supporting seat 4 changes and promotes supporting seat 4 and move below preceding knighthead 12; The angle of inclination of the first half of chair back rod 11 changes thereupon, thereby reaches the angle of inclination of regulating the chair back.Press handrail 3 downwards from front end then, make suitable shift slot 31 block the card article at slide block 5 tops, the angle of inclination of the chair back just has been fixed.Please contrast Fig. 2 and Fig. 4.
As shown in Figure 5, when desiring this armchair of folding, lift handrail 3, the card article that makes shift slot 31 break away from slide block 5 tops, inwardly draw four groups of knightheads that " X " shapes intersection articulates of support bar group 1 in, chair cloth 2 is folding naturally, and chair back rod 11 is rotated around the drive-connecting shaft at middle part; Chair back rod 11 lower ends promote supporting seat 4 and move knighthead 12 bottoms forward; The first half of chair back rod 11 is upright.Attention: inwardly draw four groups of knightheads that " X " shapes intersection articulates of support bar group 1 continuously in, loop bar 131 pulls straight from outer loop bar 132 in will making, and draws in fully until armchair.
Claims (3)
1. a chair back adjustable handrail chair comprises support bar group, chair cloth and handrail; Support bar group is formed four upright end faces all around by the knighthead that four groups of " X " shapes intersections articulate, and the termination that the termination up and down that two adjacent upright end faces connect is established link block and each knighthead respectively articulates; About the rear portion of two upright end faces be provided with between the link block of termination up and down the back vertical supporting rod and about two upright end faces set up the secondary pole of chair back rod, handrail pole and handrail; Wherein, chair back rod lower end sleeve one supporting seat pivot bush unit is in preceding knighthead below, and the middle part of chair back rod is articulated on the vertical supporting rod of back; Handrail two inner webs top forms shift slot respectively; The upper end of handrail pole articulates a slide block and is arranged in the shift slot of handrail; Above handrail pole, also articulate the upper end of the secondary pole of handrail; The first half of chair cloth is socketed on the upper end of the chair back rod of both sides, and four jiaos of the Lower Half of chair cloth are separately fixed on four link blocks of support bar group upper surface; It is characterized in that: the lower ending pivot of handrail pole is connected on the sliding sleeve of the back vertical supporting rod below that is sleeved on seat support, and the secondary pole lower ending pivot of handrail is connected on the preceding knighthead top of seat support; The rear end of handrail is articulated in chair back rod top.
2. chair back adjustable handrail chair according to claim 1 is characterized in that: the rear end of described handrail forms pod and forms pin joint seat, and the pod of this pin joint seat contains chair back rod, and this pin joint seat and chair back rod articulate.
3. chair back adjustable handrail chair according to claim 1 and 2, it is characterized in that: the middle part of handrail pole is articulated in the top of the back knighthead of seat support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02290065U CN2574525Y (en) | 2002-03-29 | 2002-12-05 | Seat supporting frame structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02219691 | 2002-03-29 | ||
| CN02219691.9 | 2002-03-29 | ||
| CN02290065U CN2574525Y (en) | 2002-03-29 | 2002-12-05 | Seat supporting frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574525Y true CN2574525Y (en) | 2003-09-24 |
Family
ID=34064991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02290065U Expired - Fee Related CN2574525Y (en) | 2002-03-29 | 2002-12-05 | Seat supporting frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574525Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405059A (en) * | 2013-08-28 | 2013-11-27 | 赵羽飞 | Folding chair |
| WO2016155636A1 (en) * | 2015-03-31 | 2016-10-06 | 浙江泰普森创意设计有限公司 | Folding chair having armrests |
| CN107149318A (en) * | 2017-06-30 | 2017-09-12 | 德清星辰户外用品有限公司 | A kind of folding seat |
-
2002
- 2002-12-05 CN CN02290065U patent/CN2574525Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405059A (en) * | 2013-08-28 | 2013-11-27 | 赵羽飞 | Folding chair |
| WO2016155636A1 (en) * | 2015-03-31 | 2016-10-06 | 浙江泰普森创意设计有限公司 | Folding chair having armrests |
| US10278506B2 (en) | 2015-03-31 | 2019-05-07 | Topsun Creative Design | Folding chair with armrests |
| CN107149318A (en) * | 2017-06-30 | 2017-09-12 | 德清星辰户外用品有限公司 | A kind of folding seat |
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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: 20111205 |