CN103845161A - Linkage folding wheelchair mechanism - Google Patents
Linkage folding wheelchair mechanism Download PDFInfo
- Publication number
- CN103845161A CN103845161A CN201410088467.6A CN201410088467A CN103845161A CN 103845161 A CN103845161 A CN 103845161A CN 201410088467 A CN201410088467 A CN 201410088467A CN 103845161 A CN103845161 A CN 103845161A
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- bar
- expansion link
- connecting rod
- fulcrum
- handrail
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Abstract
The invention discloses a linkage folding wheelchair mechanism, and aims at providing a wheelchair mechanism capable of being fast folded and unfolded. The linkage folding wheelchair mechanism comprises a wheelchair back regulating mechanism, an ascending and descending mechanism and a locking mechanism. The linkage folding wheelchair mechanism has the main technical scheme that the ascending and descending mechanism drives the wheelchair back regulating mechanism through a connecting rod, and the further folding and unfolding of a wheelchair is realized. The linkage folding wheelchair mechanism is applicable to old people and disabled people.
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, concern old people mental health, raising life of elderly person quality become particularly important.Meanwhile, along with social progress, the development in epoch, society is also day by day close to disabled's concern.And wheelchair provides the walking-replacing tool of superior performance for old people and disabled, improve their free mobility, but common wheelchair quality weight, structure is fixed, and takes up room large, be difficult for going out to carry, therefore, design a mechanism that can allow wheelchair quick-folding, wheelchair is taken up room little to meet user, 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, for handicapped 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, include horizontally disposed seat support, and be vertically articulated with the chair back of seat support rear side, 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 by fulcrum the connecting rod that tilts to extend back respectively, connecting rod top, both sides is hinged on seat support respective side rear end by fulcrum respectively separately, wheel carrier rear side two ends are hinged with by fulcrum the socket bar that is tilted to front extension respectively, in two socket bars, be slidably fitted with respectively expansion link, expansion link top in the socket bar of both sides is hinged on seat support respective side front end by fulcrum respectively, between two socket bars, be 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 shank is hinged on the respective side cross bar collar by fulcrum respectively, described chair back both sides are hinged with respectively the handrail of horizontal forward extension by fulcrum, bottom, each handrail front side is hinged with the handrail support bar to downward-extension by fulcrum respectively, two side handrail support bar bottoms are hinged on seat support respective side by fulcrum respectively, each handrail support bar rear portion is provided with chute along handrail support bar shaft respectively, in chute, be slidably fitted with respectively slide block, on each slide block, be hinged with by fulcrum the coupling bar that tilts to extend back respectively, 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, it is characterized in that: on described expansion link, locking mechanism is installed, when not locked, locking element is subject to socket bar inner wall limit, make locked spring in compressive state, in the time that expansion link is stretched to unlock button position, locking element ejects relatively moving and jack-up unlock button with restriction socket bar and expansion link under the effect of spring from the hole of socket bar; Remove lockup state and press unlock button, locking element is forced out outside the hole of socket bar, and socket bar and expansion link can relatively move again.
Described one interlock fully collapsible invalid's chair mechanism, it is characterized in that: while launching interlock fully collapsible invalid's chair mechanism, expansion link is outwards dragged, socket bar is rotated counterclockwise, and connecting rod clockwise rotates, and connecting rod and expansion link be lifting seat support together, 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, the locked spring in expansion link is upspring locking element and unlock button, realizes locked between socket bar and expansion link; When folding linkage fully collapsible invalid's chair mechanism, remove locking mechanism, inwardly promote expansion link, socket bar is clockwise rotated, connecting rod rotates counterclockwise, and connecting rod and expansion link together drag seat support and move downward, and while connecting rod promotes handrail support bar by coupling bar and clockwise rotates, handrail support bar drives 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, it is characterized in that: the top of coupling bar also can be under slide block drives along the chute upward sliding of the limited articulated position on handrail support bar, drive handrail support bar to be rotated counterclockwise, handrail support bar 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, include horizontally disposed seat support A14, and be vertically articulated with the chair back A11 of seat support A14 rear side, seat support A14 below is provided with the wheel carrier with wheel, wheel carrier both sides front end is hinged with by fulcrum 22 the connecting rod B13 that tilts to extend back respectively, connecting rod B13 top, both sides is hinged on seat support A14 respective side rear end by fulcrum 11 respectively separately, wheel carrier rear side two ends are hinged with by fulcrum 21 the socket bar B12 that is tilted to front extension respectively, in two socket bar B12, be slidably fitted with respectively expansion link B11, expansion link B11 top in the socket bar B12 of both sides is hinged on seat support A14 respective side front end by fulcrum respectively, between two socket bar B12, be horizontally arranged with cross bar B 14, cross bar B 14 two ends are connected with respectively the collar, and the cross bar B 14 two ends collars are enclosed within respectively on respective side socket bar B12, connecting rod B13 shaft is hinged on respective side cross bar B 14 collars by fulcrum 23 respectively, chair back A11 both sides are hinged with respectively the handrail A12 of horizontal forward extension by fulcrum 12, bottom, each handrail A12 front side is hinged with the handrail support bar A13 to downward-extension by fulcrum 13 respectively, two side handrail support bar A13 bottoms are hinged on seat support A14 respective side by fulcrum 16 respectively, each handrail support bar A13 rear portion is provided with chute along handrail support bar A13 shaft respectively, in chute, be slidably fitted with respectively slide block 15, on each slide block 15, be hinged with by fulcrum 14 the coupling bar A15 that tilts to extend back respectively, coupling bar A15 bottom, both sides is hinged on respective side connecting rod B13 shaft by fulcrum 17 respectively.
Locking mechanism C is installed on expansion link B11, 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 ejects relatively moving and jack-up unlock button C11 with restriction socket bar B12 and expansion link B11 under the effect of locked spring C13 from the hole of socket bar B12; Remove lockup state and press unlock button C11, locking element C12 is forced out outside the hole of socket bar B12, and 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 rod B13 clockwise rotates, together lifting seat support A14 of connecting rod B13 and expansion link B11, connecting rod B13 drives coupling bar A15 to move to promote handrail support bar A13 adjusting back A11 simultaneously, in the time that expansion link B11 moves to locking position, locked spring C13 in expansion link B11 upsprings locking element C12 and unlock button C11, realizes locked between socket bar B12 and expansion link B11; When folding linkage fully collapsible invalid's chair mechanism, press locked button C11 and remove locking mechanism C, inwardly promote expansion link B11, socket bar B12 is clockwise rotated, connecting rod B13 rotates counterclockwise, and connecting rod B13 and expansion link B11 together drag seat support A14 and move downward, and connecting rod B13 clockwise rotates by coupling bar A15 promotion handrail support bar A13 simultaneously, handrail support bar A13 drives chair back A11 to clockwise rotate by handrail A12, 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 chute upward sliding of the limited articulated position on handrail support bar A13, drive handrail support bar A13 to be rotated counterclockwise, handrail support bar A13 drives chair back A11 to rotate counterclockwise by handrail A12, 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 mechanism B, 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 bar A15 forms, chair back A11 and seat support A14 are articulated with fulcrum 11, chair back A11 and handrail A12 are articulated with fulcrum 12, handrail A12 and handrail support bar A13 are articulated with fulcrum 13, handrail support bar A13 and seat support A14 are articulated with fulcrum 16, , handrail support bar 13 is provided with a vertical chute, in chute, be slidably fitted with slide block 15, coupling bar A15 one end and handrail support bar A13 are articulated with fulcrum 14 and can under slide block 15 drives, slide along handrail support bar A13 upper hopper chute, the other end and connecting rod B13 hinged with fulcrum 17, elevating mechanism 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 relative 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, it is upper that locking mechanism C is installed on expansion link B11, 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, socket bar B12 is rotated counterclockwise around fulcrum 21, connecting rod B13 clockwise rotates around fulcrum 22, together lifting seat support A14 of connecting rod B13 and expansion link B11, connecting rod B13 drives handrail support bar A13 to rotate counterclockwise around fulcrum (16) by coupling bar A15 simultaneously, handrail support bar A13 promotes chair back A11 by handrail A12 and rotates counterclockwise around fulcrum 11, in the time that expansion link B11 moves to locking position, locking element C12 upsprings, locking mechanism C comes into force, realizing the entirety of interlock fully collapsible invalid's chair mechanism launches, launch 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 to rotate counterclockwise around fulcrum 11 by handrail A12, realizes 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 link B11, socket bar B12 is clockwise rotated around fulcrum 21, connecting rod B13 rotates counterclockwise around fulcrum 22, connecting rod B13 and expansion link B11 together drag seat support A14 and move downward, connecting rod B13 clockwise rotates around fulcrum 16 by coupling bar A15 promotion handrail support bar A13 simultaneously, handrail support bar A13 drives chair back A11 to clockwise rotate around fulcrum 11 by handrail A12, the final foldable integral of realizing interlock 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, include horizontally disposed seat support, and be vertically articulated with the chair back of seat support rear side, 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 by fulcrum the connecting rod that tilts to extend back respectively, connecting rod top, both sides is hinged on seat support respective side rear end by fulcrum respectively separately, wheel carrier rear side two ends are hinged with by fulcrum the socket bar that is tilted to front extension respectively, in two socket bars, be slidably fitted with respectively expansion link, expansion link top in the socket bar of both sides is hinged on seat support respective side front end by fulcrum respectively, between two socket bars, be 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 shank is hinged on the respective side cross bar collar by fulcrum respectively, described chair back both sides are hinged with respectively the handrail of horizontal forward extension by fulcrum, bottom, each handrail front side is hinged with the handrail support bar to downward-extension by fulcrum respectively, two side handrail support bar bottoms are hinged on seat support respective side by fulcrum respectively, each handrail support bar rear portion is provided with chute along handrail support bar shaft respectively, in chute, be slidably fitted with respectively slide block, on each slide block, be hinged with by fulcrum the coupling bar that tilts to extend back respectively, 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, it is characterized in that: on described expansion link, locking mechanism is installed, when not locked, locking element is subject to socket bar inner wall limit, make locked spring in compressive state, in the time that expansion link is stretched to unlock button position, locking element ejects relatively moving and jack-up unlock button with restriction socket bar and expansion link under the effect of spring from the hole of socket bar; Remove lockup state and press unlock button, locking element is forced out outside the hole of socket bar, and 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, it is characterized in that: while launching interlock fully collapsible invalid's chair mechanism, expansion link is outwards dragged, socket bar is rotated counterclockwise, and connecting rod clockwise rotates, and connecting rod and expansion link be lifting seat support together, 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, the locked spring in expansion link is upspring locking element and unlock button, realizes locked between socket bar and expansion link; When folding linkage fully collapsible invalid's chair mechanism, press unlock button and remove locking mechanism, inwardly promote expansion link, socket bar is clockwise rotated, connecting rod rotates counterclockwise, and connecting rod and expansion link together drag seat support and move downward, and while connecting rod promotes handrail support bar by coupling bar and clockwise rotates, handrail support bar drives the chair back to clockwise rotate by handrail, the final foldable integral of realizing interlock fully collapsible invalid's chair mechanism.
4. a kind of fully collapsible invalid's chair mechanism that links according to claim 1, it is characterized in that: the top of coupling bar also can be under slide block drives along the chute upward sliding of the limited articulated position on handrail support bar, drive handrail support bar to be rotated counterclockwise, 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 true CN103845161A (en) | 2014-06-11 |
| CN103845161B CN103845161B (en) | 2016-05-18 |
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Family Applications (1)
| 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) |
Cited By (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 |
| CN106617844A (en) * | 2016-11-14 | 2017-05-10 | 广州视源电子科技股份有限公司 | Folding chair |
| CN107198379A (en) * | 2016-03-18 | 2017-09-26 | 林園淳 | Folding chairs |
| CN107811776A (en) * | 2017-11-29 | 2018-03-20 | 青岛清通智能医疗科技有限公司 | A kind of intelligent wheel chair |
| 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 |
| CN111494105A (en) * | 2020-04-29 | 2020-08-07 | 南宁学院 | Device for assisting old people to get on or off bed |
| CN113101434A (en) * | 2021-05-24 | 2021-07-13 | 黑龙江省医院 | Gastrointestinal decompression device for digestion nursing and use method |
| WO2022033357A1 (en) * | 2020-08-09 | 2022-02-17 | Bangbang Robotics Co., Ltd | Collapsible wheelchair |
| CN117653473A (en) * | 2024-01-31 | 2024-03-08 | 福佑康智能医疗科技(昆山)有限公司 | Wheelchair armrest mechanism |
| US12016804B2 (en) | 2020-08-09 | 2024-06-25 | Shanghai Bangbang Robotics Co., Ltd | Collapsible wheelchair |
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| US6345835B1 (en) * | 2000-09-08 | 2002-02-12 | Convaid Products, Inc. | Vertically collapsible mobile chair with fixed tilting movement |
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| 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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| 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 |
| US20070278767A1 (en) * | 2005-02-17 | 2007-12-06 | Jean-Pierre Aubert | Electrical wheelchair for handicapped transportation with an attendant |
| 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 |
Cited By (19)
| 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 |
| CN106617844A (en) * | 2016-11-14 | 2017-05-10 | 广州视源电子科技股份有限公司 | Folding chair |
| 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 |
| CN107811776A (en) * | 2017-11-29 | 2018-03-20 | 青岛清通智能医疗科技有限公司 | A kind of intelligent wheel chair |
| 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 |
| CN111494105A (en) * | 2020-04-29 | 2020-08-07 | 南宁学院 | Device for assisting old people to get on or off bed |
| WO2022033357A1 (en) * | 2020-08-09 | 2022-02-17 | Bangbang Robotics Co., Ltd | Collapsible wheelchair |
| CN117281698A (en) * | 2020-08-09 | 2023-12-26 | 上海邦邦机器人有限公司 | foldable wheelchair |
| CN117281698B (en) * | 2020-08-09 | 2024-05-10 | 上海邦邦机器人有限公司 | Foldable wheelchair |
| US12016804B2 (en) | 2020-08-09 | 2024-06-25 | Shanghai 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 |
| CN113101434A (en) * | 2021-05-24 | 2021-07-13 | 黑龙江省医院 | Gastrointestinal decompression device for digestion nursing and use method |
| CN117653473A (en) * | 2024-01-31 | 2024-03-08 | 福佑康智能医疗科技(昆山)有限公司 | Wheelchair armrest mechanism |
| 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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| CN103845161B (en) | 2016-05-18 |
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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 |