CN103845161B - A kind of fully collapsible invalid's chair mechanism that links - Google Patents
A kind of fully collapsible invalid's chair mechanism that links Download PDFInfo
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- CN103845161B CN103845161B CN201410088467.6A CN201410088467A CN103845161B CN 103845161 B CN103845161 B CN 103845161B CN 201410088467 A CN201410088467 A CN 201410088467A CN 103845161 B CN103845161 B CN 103845161B
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Abstract
The invention discloses a kind of interlock fully collapsible invalid's chair mechanism, aim to provide a kind of wheelchair mechanism can fast folding launching, comprise chair back governor motion, elevating mechanism, locking mechanism. The main points of its technical scheme are, elevating mechanism drives chair back governor motion by coupling bar, realize a step of wheelchair folding with launch. The present invention is applicable to the elderly and physical disabilities.
Description
Technical field
The present invention relates to wheelchair field, be specially a kind of fully collapsible invalid's chair mechanism that links.
Background technology
Along with China's population ageing phenomenon is day by day serious, pay close attention to the elderly's mental health, improve life of elderly person qualityBecome particularly important. Meanwhile, along with social progress, the development in epoch, society is also day by day close to physical disabilities' concern. AndWheelchair, for the elderly and physical disabilities provide the walking-replacing tool of superior performance, has improved their free mobility, but commonWheelchair quality weight, structure is fixed, and takes up room large, is difficult for going out to carry, and therefore, designs a machine that can allow wheelchair quick-foldingStructure, takes up room littlely to meet user to wheelchair, the requirement easy to carry of going out, just becomes extremely important.
Summary of the invention
The object of this invention is to provide a kind of fully collapsible invalid's chair mechanism that links, to overcome deficiency of the prior art, is actionInconvenience personage provides a kind of interlock fully collapsible invalid's chair mechanism simple, that be easy to carry about with one that folds.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of fully collapsible invalid's chair mechanism that links, includes horizontally disposed seat support, and is vertically articulated with the chair of seat support rear sideThe back of the body, seat support below is provided with the wheel carrier with wheel, it is characterized in that: described wheel carrier both sides front end is hinged with and is inclined by fulcrum respectivelyThe connecting rod tiltedly extending back, connecting rod top, both sides is hinged on seat support respective side rear end, wheel carrier rear side two by fulcrum respectively separatelyEnd is hinged with by fulcrum the socket bar that is tilted to front extension respectively, is slidably fitted with respectively expansion link, both sides in two socket barsExpansion link top in socket bar is hinged on seat support respective side front end by fulcrum respectively, between two socket bars, is horizontally arranged with horizontal strokeBar, described cross bar two ends are connected with respectively the collar, and the cross bar two ends collar is enclosed within respectively on respective side socket bar, described connection-rodStatus is not hinged on the respective side cross bar collar by fulcrum, and described chair back both sides are hinged with horizontal forward prolonging by fulcrum respectivelyThe handrail of stretching, bottom, each handrail front side is hinged with the handrail support bar to downward-extension by fulcrum respectively, and two side handrails supportBar bottom is hinged on seat support respective side by fulcrum respectively, and each handrail support bar rear portion arranges along handrail support bar shaft respectivelyThere is chute, in chute, be slidably fitted with respectively slide block, on each slide block, be hinged with by fulcrum the connection that tilts to extend back respectivelyExtension bar, coupling bar bottom, both sides is hinged on respective side connecting rod shank by fulcrum respectively.
Described one interlock fully collapsible invalid's chair mechanism, is characterized in that: on described expansion link, locking mechanism is installed, not lockWhen dead, locking element is subject to socket bar inner wall limit, makes locked spring in compressive state, when expansion link be stretched to release by, locking element ejects with restriction socket bar and the relative of expansion link and moves under the effect of spring from the hole of socket bar when button the positionMoving also jack-up unlock button; Remove lockup state and press unlock button, locking element is forced out outside the hole of socket bar, socket barCan relatively move again with expansion link.
Described one interlock fully collapsible invalid's chair mechanism, is characterized in that: while launching interlock fully collapsible invalid's chair mechanism, by expansion linkOutwards drag, socket bar is rotated counterclockwise, connecting rod clockwise rotates, and connecting rod and expansion link be lifting seat support together, simultaneously connecting rodDrive coupling bar to move to promote handrail support bar adjusting back, in the time that expansion link moves to locking position, the lock in expansion linkDead spring is upspring locking element and unlock button, realizes locked between socket bar and expansion link; Folding linkage fully collapsible invalid's chair machineWhen structure, remove locking mechanism, inwardly promote expansion link, socket bar is clockwise rotated, connecting rod rotates counterclockwise, and connecting rod is with flexibleBar together drags seat support and moves downward, and while connecting rod promotes handrail support bar by coupling bar and clockwise rotates, handrail support barDrive the chair back to clockwise rotate by handrail, the final foldable integral of realizing interlock fully collapsible invalid's chair mechanism.
Described one interlock fully collapsible invalid's chair mechanism, is characterized in that: the top of coupling bar also can be under slide block drives edgeThe chute upward sliding of the limited articulated position on handrail support bar, drive handrail support bar to be rotated counterclockwise, handrail props upStrut drives the chair back to rotate counterclockwise by handrail, realizes the adjusting of the chair back.
Compared with prior art, advantage of the present invention is: (1) realizes a step joint by coupling bar, simple and quick;(2) take up room littlely, be easy to carry about with one.
Brief description of the drawings
Fig. 1 is the schematic perspective view of a kind of fully collapsible invalid's chair mechanism that links of the present invention.
Fig. 2 is the locking mechanism cutaway view of a kind of fully collapsible invalid's chair that links of the present invention.
Fig. 3 is the left view of a kind of fully collapsible invalid's chair mechanism that links of the present invention.
Fig. 4 is the mechanism principle sketch of a kind of fully collapsible invalid's chair mechanism that links of the present invention.
Fig. 5 is the folding schematic diagram of a kind of fully collapsible invalid's chair mechanism that links of the present invention.
Detailed description of the invention
As Figure 1-Figure 5, a kind of fully collapsible invalid's chair mechanism that links, includes horizontally disposed seat support A14, and vertically cuts with scissorsBe connected to the chair back A11 of seat support A14 rear side, seat support A14 below is provided with the wheel carrier with wheel, and wheel carrier both sides front end is respectively by propping upPoint 22 is hinged with the connecting rod B13 that tilts to extend back, and connecting rod B13 top, both sides is hinged on seat support by fulcrum 11 respectively separatelyA14 respective side rear end, wheel carrier rear side two ends are hinged with the socket bar B12 that is tilted to front extension, two sleeves by fulcrum 21 respectivelyIn bar B12, be slidably fitted with respectively expansion link B11, the expansion link B11 top in the socket bar B12 of both sides is point articulated by propping up respectivelyAt seat support A14 respective side front end, between two socket bar B12, be horizontally arranged with cross bar B 14, cross bar B 14 two ends are connected with respectively coverRing, and the cross bar B 14 two ends collars to be enclosed within respectively respective side socket bar B12 upper, connecting rod B13 shaft is hinged on by fulcrum 23 respectivelyOn respective side cross bar B 14 collars, chair back A11 both sides are hinged with respectively the handrail A12 of horizontal forward extension by fulcrum 12, eachBottom, handrail A12 front side is hinged with the handrail support bar A13 to downward-extension by fulcrum 13 respectively, two side handrail support bar A13Bottom is hinged on seat support A14 respective side by fulcrum 16 respectively, and each handrail support bar A13 rear portion is respectively along handrail support barA13 shaft is provided with chute, is slidably fitted with respectively slide block 15 in chute, on each slide block 15, is hinged with respectively by fulcrum 14The coupling bar A15 that tilts to extend back, coupling bar A15 bottom, both sides is hinged on respective side connecting rod B13 bar by fulcrum 17 respectivelyWith it.
Locking mechanism C is installed on expansion link B11, and when not locked, locking element C12 is subject to socket bar B12 inner wall limit,Make locked spring C13 in compressive state, in the time that expansion link B11 is stretched to unlock button C11 position, locking element C12 existsUnder the effect of locked spring C13, from the hole of socket bar B12, eject relatively moving with restriction socket bar B12 and expansion link B11And jack-up unlock button C11; Remove lockup state and press unlock button C11, locking element C12 is forced out socket bar B12'sOutside hole, socket bar B12 and expansion link B11 can relatively move again, and wherein locking state as shown in Figure 2.
While launching interlock fully collapsible invalid's chair mechanism, expansion link B11 is outwards dragged, socket bar B12 is rotated counterclockwise, connecting rodB13 clockwise rotates, together lifting seat support A14 of connecting rod B13 and expansion link B11, and connecting rod B13 drives coupling bar A15 motion simultaneouslyTo promote handrail support bar A13 adjusting back A11, in the time that expansion link B11 moves to locking position, locked in expansion link B11Spring C13 upsprings locking element C12 and unlock button C11, realizes locked between socket bar B12 and expansion link B11; Folding connectionWhile moving fully collapsible invalid's chair mechanism, press locked button C11 and remove locking mechanism C, inwardly promote expansion link B11, make socket bar B12 suitableHour hands rotate, and connecting rod B13 rotates counterclockwise, and connecting rod B13 and expansion link B11 together drag seat support A14 and move downward, simultaneously connecting rodB13 promotes handrail support bar A13 by coupling bar A15 and clockwise rotates, and handrail support bar A13 drives the chair back by handrail A12A11 clockwise rotates, the final foldable integral of realizing interlock fully collapsible invalid's chair mechanism.
The top of coupling bar A15 also can be under slide block 15 drives along the limited articulated position on handrail support bar A13Chute upward sliding, drive handrail support bar A13 to be rotated counterclockwise, handrail support bar A13 drives the chair back by handrail A12A11 rotates counterclockwise, and realizes the adjusting of chair back A11.
As Figure 1-Figure 4, a kind of fully collapsible invalid's chair mechanism that links, comprises a pair of chair back governor motion A, a pair of elevating mechanismB, a pair of locking mechanism C. Chair back governor motion A is by chair back A11, handrail A12, handrail support bar A13, seat support A14, coupling barA15 forms, and chair back A11 and seat support A14 are articulated with fulcrum 11, and chair back A11 and handrail A12 are articulated with fulcrum 12, handrail A12 and holding upHand support bar A13 is articulated with fulcrum 13, and handrail support bar A13 and seat support A14 are articulated with fulcrum 16,, on handrail support bar 13, establishHave a vertical chute, be slidably fitted with slide block 15 in chute, coupling bar A15 one end and handrail support bar A13 are articulated with fulcrum 14And can under slide block 15 drives, slide along handrail support bar A13 upper hopper chute, the hinged and fulcrum 17 of the other end and connecting rod B13; LiftingMechanism is made up of expansion link B11, socket bar B12, connecting rod B13 and cross bar B 14, and it is upper that socket bar B12 is enclosed within expansion link B11, can phaseTo sliding, it is upper that cross bar B 14 two ends are enclosed within respectively socket bar B12, and with connecting rod B13 hinged with fulcrum 23; Locking mechanism C is installed onExpansion link B11 is upper, and in the time that expansion link B11 moves to locking position, locking element C12 upsprings, and locking mechanism C comes into force.
As shown in Figure 4, while launching interlock fully collapsible invalid's chair mechanism, outwards drag expansion link B11, make socket bar B12 around fulcrum21 rotate counterclockwise, and connecting rod B13 clockwise rotates around fulcrum 22, together lifting seat support A14 of connecting rod B13 and expansion link B11, simultaneouslyConnecting rod B13 drives handrail support bar A13 to rotate counterclockwise around fulcrum (16) by coupling bar A15, and handrail support bar A13 is by holding upHand A12 promotes chair back A11 and rotates counterclockwise around fulcrum 11, in the time that expansion link B11 moves to locking position, and locking element C12 bulletRise, locking mechanism C comes into force, and realizes the entirety of interlock fully collapsible invalid's chair mechanism and launches, and launches effect as shown in Figure 1.
The right-hand member of coupling bar A15 also can be along the chute upward sliding of the limited articulated position on handrail support bar A13,Drive handrail support bar A13 to be rotated counterclockwise around fulcrum 16, handrail support bar A13 drives chair back A11 around fulcrum by handrail A1211 rotate counterclockwise, and realize the adjusting of the chair back.
When folding linkage fully collapsible invalid's chair mechanism, press unlock button C11 and remove locking mechanism C, inwardly promote expansion linkB11, makes socket bar B12 clockwise rotate around fulcrum 21, and connecting rod B13 rotates counterclockwise around fulcrum 22, connecting rod B13 and expansion linkB11 together drags seat support A14 and moves downward, and connecting rod B13 promotes handrail support bar A13 around fulcrum 16 by coupling bar A15 simultaneouslyClockwise rotate, handrail support bar A13 drives chair back A11 to clockwise rotate around fulcrum 11 by handrail A12, and final realization linkedThe foldable integral of fully collapsible invalid's chair mechanism, final folding effect as shown in Figure 5.
Claims (4)
1. an interlock fully collapsible invalid's chair mechanism, includes horizontally disposed seat support, and is vertically articulated with the chair back of seat support rear side,Seat support below is provided with the wheel carrier with wheel, and described wheel carrier both sides front end is hinged with the company of tilting to extend back by fulcrum respectivelyBar, connecting rod top, both sides is hinged on seat support respective side rear end by fulcrum respectively separately, it is characterized in that: wheel carrier rear side two ends are dividedBe not hinged with by fulcrum the socket bar that is tilted to front extension, in two socket bars, be slidably fitted with respectively expansion link, both sides sleeveExpansion link top in bar is hinged on seat support respective side front end by fulcrum respectively, between two socket bars, is horizontally arranged with cross bar,Described cross bar two ends are connected with respectively the collar, and the cross bar two ends collar is enclosed within respectively on respective side socket bar, described connecting rod shankBe hinged on the respective side cross bar collar by fulcrum respectively, described chair back both sides are hinged with horizontal forward extension by fulcrum respectivelyHandrail, each handrail front side bottom is hinged with the handrail support bar to downward-extension by fulcrum respectively, two side handrail support barsBottom is hinged on seat support respective side by fulcrum respectively, and each handrail support bar rear portion is provided with along handrail support bar shaft respectivelyChute, is slidably fitted with respectively slide block in chute, on each slide block, be hinged with the connection of tilting to extend back respectively by fulcrumBar, coupling bar bottom, both sides is hinged on respective side connecting rod shank by fulcrum respectively.
2. a kind of fully collapsible invalid's chair mechanism that links according to claim 1, is characterized in that: on described expansion link, lock is installedDeadlock structure, when not locked, locking element is subject to socket bar inner wall limit, makes locked spring in compressive state, when expansion link drawsWhile extending unlock button position, locking element ejects with restriction socket bar and flexible under the effect of spring from the hole of socket barRelatively moving and jack-up unlock button of bar; Remove lockup state and press unlock button, locking element is forced out socket barOutside hole, socket bar and expansion link can relatively move again.
3. a kind of fully collapsible invalid's chair mechanism that links according to claim 1, is characterized in that: launch interlock fully collapsible invalid's chair mechanismTime, expansion link is outwards dragged, socket bar is rotated counterclockwise, connecting rod clockwise rotates, and connecting rod and expansion link be lifting chair togetherSeat, connecting rod drives coupling bar to move to promote handrail support bar adjusting back simultaneously, in the time that expansion link moves to locking position, stretchesLocked spring in contracting bar is upspring locking element and unlock button, realizes locked between socket bar and expansion link; Folding linkageWhen fully collapsible invalid's chair mechanism, press unlock button and remove locking mechanism, inwardly promote expansion link, socket bar is clockwise rotated, connectBar rotates counterclockwise, and connecting rod and expansion link together drag seat support and move downward, and connecting rod promotes handrail support by coupling bar simultaneouslyBar clockwise rotates, and handrail support bar drives the chair back to clockwise rotate by handrail, the final interlock fully collapsible invalid's chair mechanism of realizingFoldable integral.
4. a kind of fully collapsible invalid's chair mechanism that links according to claim 1, is characterized in that: the top of coupling bar also can slidedUnder driving, piece along the chute upward sliding of the limited articulated position on handrail support bar, drive handrail support bar to revolve counterclockwiseTurn, handrail support bar drives the chair back to rotate counterclockwise by handrail, realizes the adjusting of the chair back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088467.6A CN103845161B (en) | 2014-03-11 | 2014-03-11 | A kind of fully collapsible invalid's chair mechanism that links |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088467.6A CN103845161B (en) | 2014-03-11 | 2014-03-11 | A kind of fully collapsible invalid's chair mechanism that links |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103845161A CN103845161A (en) | 2014-06-11 |
| CN103845161B true CN103845161B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410088467.6A Active CN103845161B (en) | 2014-03-11 | 2014-03-11 | A kind of fully collapsible invalid's chair mechanism that links |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103845161B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193126A (en) * | 2015-09-24 | 2015-12-30 | 太仓市中峰模具塑胶有限公司 | Technology for manufacturing movable seat |
| CN105253183A (en) * | 2015-09-24 | 2016-01-20 | 太仓市中峰模具塑胶有限公司 | Child safety seat and manufacturing technology thereof |
| CN107198379A (en) * | 2016-03-18 | 2017-09-26 | 林園淳 | Folding chairs |
| CN106617844B (en) * | 2016-11-14 | 2023-09-19 | 广州视源电子科技股份有限公司 | foldable chair |
| CN107811776B (en) * | 2017-11-29 | 2023-09-15 | 青岛清通智能医疗科技有限公司 | Intelligent wheelchair |
| CN107981571A (en) * | 2017-12-31 | 2018-05-04 | 贵州大学 | A kind of Multifunctional containing desk |
| CN109090876A (en) * | 2018-08-21 | 2018-12-28 | 芜湖职业技术学院 | Automate extensible rumble seat |
| CN111494105B (en) * | 2020-04-29 | 2023-06-27 | 南宁学院 | Device for assisting old people to get on and get off bed |
| WO2022033357A1 (en) * | 2020-08-09 | 2022-02-17 | Bangbang Robotics Co., Ltd | Collapsible wheelchair |
| CN113101434B (en) * | 2021-05-24 | 2022-07-01 | 黑龙江省医院 | Gastrointestinal decompression device for digestion nursing and use method |
| CN115337153A (en) * | 2022-06-23 | 2022-11-15 | 蜂鸟代步(北京)科技有限公司 | Armrest mechanism and scooter |
| CN117653473B (en) * | 2024-01-31 | 2024-04-23 | 福佑康智能医疗科技(昆山)有限公司 | Wheelchair armrest mechanism |
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| US2383039A (en) * | 1944-09-21 | 1945-08-21 | Berkley A Thomas | Hospital chair |
| US6345835B1 (en) * | 2000-09-08 | 2002-02-12 | Convaid Products, Inc. | Vertically collapsible mobile chair with fixed tilting movement |
| CN101278875A (en) * | 2007-04-05 | 2008-10-08 | 唐岱霞 | Wheel carrier mechanism capable of rapid folding and expanding |
| CN202409312U (en) * | 2012-01-17 | 2012-09-05 | 宁波市鄞州发辉机械科技有限公司 | Automatic folding device of wheelchair |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006087433A1 (en) * | 2005-02-17 | 2006-08-24 | Jean Pierre Aubert | Electrical chair for transporting disabled people by an accompanying person |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2383039A (en) * | 1944-09-21 | 1945-08-21 | Berkley A Thomas | Hospital chair |
| US6345835B1 (en) * | 2000-09-08 | 2002-02-12 | Convaid Products, Inc. | Vertically collapsible mobile chair with fixed tilting movement |
| CN101278875A (en) * | 2007-04-05 | 2008-10-08 | 唐岱霞 | Wheel carrier mechanism capable of rapid folding and expanding |
| CN202409312U (en) * | 2012-01-17 | 2012-09-05 | 宁波市鄞州发辉机械科技有限公司 | Automatic folding device of wheelchair |
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| Publication number | Publication date |
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| CN103845161A (en) | 2014-06-11 |
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Effective date of registration: 20210210 Address after: 245000 No.50, Meilin Avenue, Huangshan Economic Development Zone, Huangshan City, Anhui Province Patentee after: Huangshan Development Investment Group Co.,Ltd. Address before: 230009 No. 193, Tunxi Road, Hefei, Anhui Patentee before: Hefei University of Technology |