CN103445549B - Multifunction seat - Google Patents
Multifunction seat Download PDFInfo
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- CN103445549B CN103445549B CN201310375972.4A CN201310375972A CN103445549B CN 103445549 B CN103445549 B CN 103445549B CN 201310375972 A CN201310375972 A CN 201310375972A CN 103445549 B CN103445549 B CN 103445549B
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- revolute pair
- back rest
- foot
- seat
- rear foot
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Abstract
The present invention aims to provide a kind of multifunction seat, comprises main back rest, secondary back rest, rear support pin, handrail, the rear foot, the forward foot in a step, rear foot connecting rod, forward foot in a step connecting rod and seat, and the described rear foot, forward foot in a step lower end are separately installed with tri-star wheel and universal wheel.Scientific structure design of the present invention, diverse in function, can be deformed into six kinds of forms, integrate chair, wheelchair, desk, shopping cart, littlely to pull a cart and bed, the structural design facilitating going upstairs and going downstairs of tri-star wheel, and can fold up and be easy to carry, there is very high practical value.
Description
Technical field
The present invention relates to a kind of multifunction seat, is a kind ofly integrate chair, wheelchair, desk, shopping cart, littlely to pull a cart and the multifunction seat of bed specifically.
Background technology
Existing functions of seat is simple, and simply can only fold and draw in thus reduce floor space, function is few, can only meet indoor routine use, function singleness.
For this reason, occurred some multifunction seats, such as Chinese utility model patent in prior art, the patent No. is " zl03244471.0 ", and name is called " multifunction chair ".Its summary and technical characteristic are: multifunction chair, are both can work as chair to use; Open and also can work as single bed use; Two handrails install one piece of plank, just can be sitting in above chair and have a meal, easily, be well suited for the patient of hospital and the librarian use of the patient that accompanies and attends to.The structure of this multifunction chair is based on iron shelf, although be divided into a few part, every part has axle to connect, and can realize combination and open, it is combined into one with iron shelf, and such structure very firmly solid, plank is arranged on iron shelf.When opening, every part is set level, and iron shelf, handrail are exactly the support of bed board, and several pieces of planks are opened successively, are exactly single bed.During withdrawal, several pieces of planks are turned back, plugs steady pin, just become a chair.Iron shelf is the support of bed, is also the body supports of chair, just after opening, just can realize different using function.The axle of every part and the combination of plank very ingenious, after chair is opened, the appearance of a plane can be kept, will make plate face can not be smooth because of the existence of axle; When closing, plate face also can not be made can not to close because of the reason of axle.The sitting face plank of chair is two-layer, when being seat, is two-layerly combined into together; When as bed, this two-layer plank is opened, and is all the panel of bed, then backrest is put down (backrest also can be made folding), has been exactly a single bed.
The multifunction seat that this patented technology provides has two kinds of functions, to a certain degree solving the single problem of functions of seat, but convenient not when it uses, also need to carry out dismounting to plank, and its function or fewer, the application of multiple situation in daily life cannot be met.
Summary of the invention
The present invention aims to provide a kind of multifunction seat, a kind ofly integrates chair, wheelchair, desk, shopping cart, littlely to pull a cart and the multifunction seat of bed, can also folding storage, is convenient to transport, meets the needs in people's daily life.
For achieving the above object, technical scheme of the present invention is: multifunction seat comprises main back rest, secondary back rest, rear support pin, handrail, the rear foot, the forward foot in a step, rear foot connecting rod, forward foot in a step connecting rod and seat; The middle part of described main back rest is provided with draw-in groove; The described rear foot, forward foot in a step lower end are separately installed with trailing wheel and front-wheel; The top of described main back rest is connected by revolute pair A with the upper end of secondary back rest, and the lower end of main back rest is connected by revolute pair B with the upper end of rear foot connecting rod; The lower end of described rear support pin is connected with the lower end of secondary back rest by revolute pair C; The position on the lower side, upper end of described rear foot connecting rod is provided with the revolute pair D that rear foot connecting rod is connected with seat; Described handrail l-shaped, one end is stuck in the middle part of main back rest by draw-in groove, and the other end is connected by revolute pair J with the upper end of the rear foot; The middle part of the described rear foot is connected with the lower end of rear foot connecting rod with the upper end of forward foot in a step connecting rod with revolute pair F respectively by revolute pair E; The upper end of the described forward foot in a step is connected with the right-hand member of seat by revolute pair H, and the middle part of the forward foot in a step is connected by revolute pair G with the other end of forward foot in a step connecting rod; One end that described mounting is connected with the forward foot in a step is provided with handrail deck.
The effect of technique scheme is:
1, when described vehicle frame is seat state, the free end of handrail is stuck in the groove of main back rest; When described vehicle frame is seat state, the free end of described handrail is extracted in the groove of main back rest, handrail rotates to level around revolute pair J and leans against on the handrail deck of seat, main back rest is rotated to horizontal direction around revolute pair B, secondary back rest is rotated to horizontal direction around revolute pair A, rear support pin rotates until can support ground around revolute pair C simultaneously, thus makes vehicle frame have seat to be transformed into the form of bed;
2, when described vehicle frame is seat state, the free end of described handrail is extracted in the groove of main back rest, handrail rotates to level around revolute pair J and leans against on the handrail deck of seat, main back rest is rotated the position of extremely fitting with seat around revolute pair B, secondary back rest is rotated 180 ° around revolute pair A simultaneously, thus make vehicle frame have seat to be transformed into the form of desk.
Preferably, also comprise moving sets, described moving sets one end and rear foot rod hinge connection, the other end is connected with the middle part of the rear foot by slide block.The effect of this preferred version is as follows: when described vehicle frame is seat state, seat is fitted around revolute pair D and main back rest, the forward foot in a step is rotated the position of extremely laminating seat around revolute pair H, the rear foot is rotated around revolute pair F and simultaneously collapses to the position of fitting with main back rest along moving sets 5, thus form vehicle frame being transformed into draw in completely.
Further preferably, the bracket of pulling a cart that can also comprise hind axle and be arranged on the rear foot; The upper end of described main back rest is provided with draw-in groove; Described bracket of pulling a cart comprises Extension support, motorcycle underframe, support bar, leg, cross bar; Described motorcycle underframe is connected by revolute pair N with the rear foot, the upper end of described Extension support is connected by revolute pair K with bracket chassis, described support bar one end is connected with described hind axle by revolute pair M, the support bar other end is connected with the cross bar on leg by revolute pair L, and the upper end of described leg is connected with motorcycle underframe by revolute pair K.
The effect of further optimal technical scheme is:
1. when vehicle frame is in completely folding form of drawing in, motorcycle underframe is put down around revolute pair N, Extension support is rotated 180 ° around revolute pair K, leg is launched to prop up ground around revolute pair K, meanwhile leg drives support bar to launch naturally, thus makes vehicle frame be transformed into little form of pulling a cart.
2. when described vehicle frame is seat state, the free end of described handrail is extracted in the groove of main back rest, handrail rotates up around revolute pair J, main back rest rotates to the direction of fitting with seat around revolute pair B simultaneously, the free end of handrail and the free end of main back rest cross in the air in rotary course simultaneously, then be fixed in the draw-in groove free end of handrail being stuck in main back rest upper end, secondary back rest is rotated to horizontal level around revolute pair A, rear support pin is rotated around revolute pair C, to pull a cart simultaneously bracket launch, motorcycle underframe rotates around revolute pair N, after rear support pin and motorcycle underframe cross in the air, rear support pin is fixedly connected with motorcycle underframe, thus make vehicle frame be transformed into the form of shopping cart.
Described trailing wheel can be set to tri-star wheel, and described front-wheel is universal wheel, and described tri-star wheel can while hind axle revolution, and each star-wheel also can rotation.Described tri-star wheel structure can allow little pulling a cart down go upstairs; Described Universal wheel structure can allow the turnings such as small handcart, wheelchair, changes direction.
The invention has the beneficial effects as follows: a kind of multifunction seat is provided, can not carry out under the prerequisite that parts remove and install, freely change between chair, wheelchair, desk, bed, shopping cart, the little several functions such as to pull a cart easily, integrate wheelchair, desk, bed, shopping cart simultaneously, littlely to pull a cart, the multiple demand in people's life can be met, be convenient for people to the various demands when carrying out outdoor activities especially, the tri-star wheel structure adopted can realize the function of little stair activity of pulling a cart, and makes life convenient.In addition this multifunction seat can also fold gathering, puts the boot of automobile into, convenient transport.In addition this multifunction seat have employed stainless steel tube framework as main body, and surface adopts leather sponge packaging; Stainless steel tube is very common in life, and very cheap, and leather is also thing common in life, and therefore the present invention draws materials easily, with low cost, is convenient to machine-shaping.
Accompanying drawing illustrates:
The front view of multifunction seat in Fig. 1 embodiment provided by the invention;
The left view of multifunction seat in Fig. 2 embodiment provided by the invention;
The bed form figure of multifunction seat in Fig. 3 embodiment provided by the invention;
The desk aspect graph of multifunction seat in Fig. 4 embodiment provided by the invention;
In Fig. 5 embodiment provided by the invention, the completely folding of multifunction seat draws aspect graph in;
The little aspect graph of pulling a cart of multifunction seat in Fig. 6 embodiment provided by the invention;
Little I partial enlarged drawing of pulling a cart of multifunction seat in Fig. 7 embodiment provided by the invention;
The shopping cart aspect graph of multifunction seat in Fig. 8 embodiment provided by the invention.
1-main back rest, 2-secondary back rest, 3-rear support pin, 4-handrail, 5-rear foot, 6-forward foot in a step, 7-rear foot connecting rod, 8-forward foot in a step connecting rod, 9-seat, 10-hind axle, 11-trailing wheel, 12-front-wheel, 14-moving sets, 101-revolute pair A, 102-revolute pair B, 103-revolute pair C, 104-revolute pair D, 105-revolute pair E, 106-revolute pair F, 107-revolute pair J, 108-revolute pair H, 109-revolute pair G, 13-bracket of pulling a cart, 1301-Extension support, 1302-motorcycle chassis, 1303-cross bar, 1304-support bar, 1305-leg, 1306-revolute pair N, 1307-revolute pair M, 1308-revolute pair K, 1309-revolute pair L, 14-moving sets, 15-handrail deck, pouch 16.
Detailed description of the invention
The present invention is illustrated below in conjunction with accompanying drawing.
As shown in Figure 1-2, multifunction seat, comprises main back rest 1, secondary back rest 2, rear support pin 3, handrail 4, the rear foot 5, the forward foot in a step 6, rear foot connecting rod 7, forward foot in a step connecting rod 8 and seat 9; Middle part and the upper end of described main back rest 1 are equipped with draw-in groove; The described rear foot 5, the forward foot in a step 6 lower end are separately installed with trailing wheel 11 and front-wheel 12, and the top of described main back rest 1 is connected by revolute pair A101 with the upper end of secondary back rest 2, and the lower end of main back rest 1 is connected by revolute pair B102 with the upper end of rear foot connecting rod 7; The lower end of described rear support pin 3 is connected with the lower end of secondary back rest 2 by revolute pair C103; The position on the lower side, upper end of described rear foot connecting rod 7 is provided with the revolute pair D104 that rear foot connecting rod 7 is connected with seat 9; Described handrail 4 l-shaped, one end is stuck in the middle part of main back rest 1 by draw-in groove, and the other end is connected by revolute pair J107 with the upper end of the rear foot 5; The middle part of the described rear foot 5 is connected with the lower end of rear foot connecting rod 7 with the upper end of forward foot in a step connecting rod 8 with revolute pair F106 respectively by revolute pair E105; The upper end of the described forward foot in a step 6 is connected with the right-hand member of seat 9 by revolute pair H108, and the middle part of the forward foot in a step 6 is connected by revolute pair G109 with the other end of forward foot in a step connecting rod 8; One end that described mounting 9 is connected with the forward foot in a step 6 is provided with handrail deck 15.
As shown in Figure 1, Figure 3, when described vehicle frame is seat state, the free end of described handrail 4 is extracted in the groove of main back rest 1, handrail rotates to level around revolute pair J107 and leans against on the handrail deck 15 of seat 9, main back rest 1 is rotated to horizontal direction around revolute pair B102, rotated to horizontal direction around revolute pair A101 by secondary back rest 2, rear support pin 3 rotates until can support ground around revolute pair C103 simultaneously, thus makes vehicle frame have seat to be transformed into the form of bed.
As Figure 1 and Figure 4, when described vehicle frame is seat state, the free end of described handrail 4 is extracted in the groove of main back rest 1, handrail 4 rotates to level around revolute pair J107 and leans against on the handrail deck 15 of seat 9, main back rest 1 is rotated the position of extremely fitting with seat 9 around revolute pair B102, secondary back rest 2 is rotated 180 ° around revolute pair A101 simultaneously, thus make vehicle frame have seat to be transformed into the form of desk.
As shown in Figure 1, shown in Figure 5, described multifunction seat also comprises moving sets 14, described moving sets 14 one end and rear foot connecting rod 7 hinged, the other end is connected by the middle part of slide block with the rear foot 5.When described vehicle frame is seat state, seat 9 is fitted around revolute pair D and main back rest 1, the forward foot in a step 6 is rotated the position of extremely laminating seat 9 around revolute pair H108, the rear foot 5 is rotated around revolute pair F106 and simultaneously collapses to the position of fitting with main back rest 1 along moving sets 5, thus form vehicle frame being transformed into draw in completely.
As illustrated in figs. 5-7, the bracket 13 of pulling a cart that described multifunction seat also comprises hind axle 10 and is arranged on the rear foot 5; Described bracket 13 of pulling a cart comprises Extension support 1301, motorcycle underframe 1302, support bar 1304, leg 1305, cross bar 1303; Described motorcycle underframe 1302 is connected by revolute pair N1306 with the rear foot 5, the upper end of described Extension support 1301 is connected by revolute pair K1308 with bracket chassis 1302, described support bar 1304 one end is connected with described hind axle 10 by revolute pair M1307, support bar 1304 other end is connected with the cross bar 1303 on leg 1305 by revolute pair L1309, and the upper end of described leg 1305 is connected with motorcycle underframe 1302 by revolute pair K1308.When vehicle frame is in the position of drawing in completely, motorcycle underframe 1302 is put down around revolute pair N1306, Extension support 1301 is rotated 180 ° around revolute pair K1308, leg 1305 is launched to prop up ground around revolute pair K1308, meanwhile leg 1305 drives support bar 1304 to launch naturally, thus makes vehicle frame be transformed into little form of pulling a cart.
As Fig. 1, shown in Fig. 8, when described vehicle frame is seat state, the free end of described handrail 4 is extracted in the groove of main back rest 1, handrail 4 rotates up around revolute pair J107, main back rest 1 rotates to the direction of fitting with seat 9 around revolute pair B102 simultaneously, the free end of handrail 4 and the free end of main back rest 1 cross in the air in rotary course simultaneously, then be fixed in the draw-in groove free end of handrail 4 being stuck in main back rest 1 upper end, secondary back rest 2 is rotated to horizontal level around revolute pair A101, rear support pin 3 is rotated around revolute pair C103, bracket 13 of simultaneously pulling a cart launches, motorcycle underframe 1302 rotates around revolute pair N1306, after rear support pin 3 and motorcycle underframe 1302 cross in the air, rear support pin 3 is fixedly connected with motorcycle underframe 1302, thus make vehicle frame be transformed into the form of shopping cart.
As shown in Figure 1, described trailing wheel 11 is tri-star wheel, and described front-wheel 12 is universal wheel, and described tri-star wheel can while hind axle 10 revolves round the sun, and each star-wheel also can rotation.Described tri-star wheel structure can allow little pulling a cart go upstairs down easily; Described Universal wheel structure can allow the turnings such as small handcart, wheelchair, changes direction.
As shown in Fig. 3, Fig. 8, described multifunction seat can also install pouch 16, and described pouch opening sleeve is on secondary back rest 2 frame, and the used time does not collapsiblely pack up, and when vehicle frame is in bed or shopping cart form, pouch can be opened and receive thing.
Embodiment described above is only one of embodiments of the invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Claims (2)
1. a multifunction seat, comprises main back rest (1), secondary back rest (2), rear support pin (3), handrail (4), the rear foot (5), the forward foot in a step (6), rear foot connecting rod (7), forward foot in a step connecting rod (8) and seat (9); The middle part of described main back rest (1) is provided with draw-in groove; The described rear foot (5), the forward foot in a step (6) lower end are separately installed with trailing wheel (11) and front-wheel (12); It is characterized in that: the top of described main back rest (1) and the upper end of secondary back rest (2) are by revolute pair A(101) be connected, the lower end of main back rest (1) and the upper end of rear foot connecting rod (7) are by revolute pair B(102) be connected; Described rear support pin (3)
Lower end by revolute pair C(103) be connected with the lower end of secondary back rest (2); The position on the lower side, upper end of described rear foot connecting rod (7) is provided with the revolute pair D(104 that rear foot connecting rod (7) is connected with seat (9)); Described handrail (4) l-shaped, one end is stuck in the middle part of main back rest (1) by draw-in groove, and the other end is connected by revolute pair J (107) with the upper end of the rear foot (5); The middle part of the described rear foot (5) is connected with the lower end of rear foot connecting rod (7) with the upper end of forward foot in a step connecting rod (8) with revolute pair F (106) respectively by revolute pair E (105); The upper end of the described forward foot in a step (6) is connected with the right-hand member of seat (9) by revolute pair H (108), and the middle part of the forward foot in a step (6) is connected by revolute pair G (109) with the other end of forward foot in a step connecting rod (8); One end that described seat (9) is connected with the forward foot in a step (6) is provided with handrail deck (15);
Also comprise moving sets (14), described moving sets (14) one end and rear foot connecting rod (7) hinged, the other end is connected by the middle part of slide block with the rear foot (5);
Also comprise hind axle (10) and be arranged on the bracket of pulling a cart (13) on the rear foot (5), the upper end of described main back rest (1) is provided with draw-in groove, described bracket of pulling a cart (13) comprises Extension support (1301), motorcycle underframe (1302), support bar (1304), leg (1305), cross bar (1303), described motorcycle underframe (1302) is connected by revolute pair N (1306) with the rear foot (5), the upper end of described Extension support (1301) is connected by revolute pair K (1308) with motorcycle underframe (1302), described support bar (1304) one end is connected with described hind axle (10) by revolute pair M (1307), support bar (1304) other end is connected with the cross bar (1303) on leg (1305) by revolute pair L (1309), the upper end of described leg (1305) is connected with motorcycle underframe (1302) by revolute pair K (1308).
2. multifunction seat as claimed in claim 1, it is characterized in that: described trailing wheel (11) is tri-star wheel, described front-wheel (12) is universal wheel, and described tri-star wheel can while hind axle (10) revolve round the sun, and each star-wheel also can rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375972.4A CN103445549B (en) | 2013-08-27 | 2013-08-27 | Multifunction seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375972.4A CN103445549B (en) | 2013-08-27 | 2013-08-27 | Multifunction seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103445549A CN103445549A (en) | 2013-12-18 |
| CN103445549B true CN103445549B (en) | 2016-01-20 |
Family
ID=49728720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310375972.4A Expired - Fee Related CN103445549B (en) | 2013-08-27 | 2013-08-27 | Multifunction seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN103445549B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103844684B (en) * | 2014-03-13 | 2016-02-03 | 河南科技大学 | A kind of conjoined jack-knifing table and chair |
| CN103948246B (en) * | 2014-04-23 | 2016-01-06 | 深圳职业技术学院 | A kind of multifunctional table and chair combination |
| CN110269761B (en) * | 2019-06-25 | 2020-11-10 | 郑州市儿童福利院 | Wheel chair |
| CN111772342A (en) * | 2020-08-31 | 2020-10-16 | 宏源家具(江西)有限公司 | Student chair convenient for outdoor use |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062831A (en) * | 1990-12-31 | 1992-07-22 | 于艳明 | The multifunctional heating chair that summer in winter can both be used |
| CN2617254Y (en) * | 2003-04-03 | 2004-05-26 | 付健 | Multifunctional chairs |
| CN201167723Y (en) * | 2008-01-19 | 2008-12-24 | 李永河 | Folding type multifunctional seat bed |
| CN203378793U (en) * | 2013-08-27 | 2014-01-08 | 广西科技大学 | Multifunctional chair |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3789759B2 (en) * | 2001-02-28 | 2006-06-28 | 株式会社イトーキ | Chair |
-
2013
- 2013-08-27 CN CN201310375972.4A patent/CN103445549B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062831A (en) * | 1990-12-31 | 1992-07-22 | 于艳明 | The multifunctional heating chair that summer in winter can both be used |
| CN2617254Y (en) * | 2003-04-03 | 2004-05-26 | 付健 | Multifunctional chairs |
| CN201167723Y (en) * | 2008-01-19 | 2008-12-24 | 李永河 | Folding type multifunctional seat bed |
| CN203378793U (en) * | 2013-08-27 | 2014-01-08 | 广西科技大学 | Multifunctional chair |
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| CN103445549A (en) | 2013-12-18 |
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