CN109124909B - Improved wheelchair - Google Patents

Improved wheelchair Download PDF

Info

Publication number
CN109124909B
CN109124909B CN201811099786.1A CN201811099786A CN109124909B CN 109124909 B CN109124909 B CN 109124909B CN 201811099786 A CN201811099786 A CN 201811099786A CN 109124909 B CN109124909 B CN 109124909B
Authority
CN
China
Prior art keywords
screw rod
electric push
rod
push rod
seat
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.)
Active
Application number
CN201811099786.1A
Other languages
Chinese (zh)
Other versions
CN109124909A (en
Inventor
田英
伍尚伶
赖奕骏
黎铸新
唐国源
郭芮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan University
Original Assignee
Foshan University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan University filed Critical Foshan University
Priority to CN201811099786.1A priority Critical patent/CN109124909B/en
Publication of CN109124909A publication Critical patent/CN109124909A/en
Application granted granted Critical
Publication of CN109124909B publication Critical patent/CN109124909B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1078Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1081Parts, details or accessories with shock absorbers or other suspension arrangements between frame and seat

Abstract

The invention discloses an improved wheelchair which comprises a seat, two front wheels arranged below the front part of the seat in parallel, two rear wheels arranged below the rear part of the seat in parallel, a first electric push rod, a second electric push rod and two middle wheels arranged below the seat in parallel, wherein the middle wheels are arranged between the rear wheels and the front wheels, the diameter of the middle wheels is smaller than that of the rear wheels, one end of each first electric push rod is connected with the seat, the other end of each first electric push rod is connected with the middle wheels, one end of each second electric push rod is connected with the seat, and the other end of each second electric push rod is connected with the rear wheels. The first electric push rod comprises two screw rod assemblies. The improved wheelchair of the invention has the function of crossing obstacles, and the push rod of the improved wheelchair has high strength.

Description

Improved wheelchair
Technical Field
The invention relates to the field of travel riding tools, in particular to an improved wheelchair.
Background
Wheelchairs are tools that people with inconvenient movement rely on, but in public places outside hospitals, people rarely see to use improved wheelchairs. According to the data published by the Chinese Association of disabled people, 2472 thousands of people with disabled limbs in China at the end of 2010 occupy about 1.8% of the general population. From the above data, the number of people who need to use the wheelchair is large, but people rarely see to use the wheelchair to go out, and the wheelchair is mainly limited by the functions of the existing wheelchair, and cannot be crossed when encountering obstacles, but the existing public facilities are unavoidable to the people who use the wheelchair, so that the existing wheelchair is used to go out, and a great deal of inconvenience is brought to the users.
Disclosure of Invention
The invention aims to solve the technical problems that: the problem that the improved wheelchair in the prior art cannot cross over obstacles is solved.
The invention solves the technical problems as follows:
the utility model provides an improved wheelchair, includes the seat, two front wheels that locate the below of seat front portion in parallel each other, two rear wheels that locate the below of seat rear portion in parallel each other, rear wheel and front wheel back interval setting still include first electric putter, second electric putter, two middle wheels that locate the below of seat in parallel each other, the middle wheel is located between rear wheel and the front wheel to the diameter of middle wheel is less than the diameter of rear wheel, and first electric putter one end is connected the seat, and first electric putter other end is connected with the middle wheel, and seat is connected to second electric putter one end, and the second electric putter other end is connected with the rear wheel;
the first electric push rod comprises a first screw rod assembly, a second screw rod assembly, a first gear and a second gear;
the first screw rod assembly comprises a first screw rod and a first screw rod sleeve sleeved outside the first screw rod, the rear end of the first screw rod is arranged in the first screw rod sleeve, the front end of the first screw rod is rotatably connected with a first connecting piece, the first screw rod and the first connecting piece are coaxially arranged, the first connecting piece is arranged in front of the first screw rod sleeve, the first screw rod is in threaded connection with the first screw rod sleeve, and the rear end of the first screw rod sleeve is fixedly connected with a first auxiliary connecting piece;
the second screw rod assembly comprises a second screw rod and a second screw rod sleeve sleeved outside the second screw rod, the rear end of the second screw rod is arranged in the second screw rod sleeve, the front end of the second screw rod is rotatably connected with a second connecting piece, the second connecting piece is arranged in front of the second screw rod sleeve, the second screw rod is in threaded connection with the second screw rod sleeve, a second auxiliary connecting piece is fixedly connected with the rear end of the second screw rod sleeve, and threads on the surface of the second screw rod are identical in thread pitch and opposite in rotation direction to those of threads on the surface of the first screw rod;
the first gear is sleeved outside the first screw rod and fixedly connected with the first screw rod, and the first gear is arranged between the first connecting piece and the first screw rod sleeve; the second gear is sleeved outside the second screw rod and fixedly connected with the second screw rod, and the second gear is arranged between the second connecting piece and the second screw rod sleeve; the first gear is meshed with the second gear.
As a further improvement of the above technical solution, the second electric push rod has the same structure as the first electric push rod.
As a further improvement of the technical scheme, the first electric push rod further comprises a motor and a main gear, the output end of the motor is fixedly connected with the center of the main gear, and the main gear is meshed with the second gear.
As a further improvement of the technical scheme, one end of the second electric push rod is fixedly connected with the seat.
As a further improvement of the technical scheme, one end of the first electric push rod is fixedly connected with the seat.
As a further improvement of the technical scheme, the electric bicycle further comprises a third connecting rod, one end of the third connecting rod is hinged to the seat, the other end of the third connecting rod is connected with the center of the middle wheel, and the other end of the first electric push rod is connected with the middle wheel relatively through the middle of the hinged third connecting rod.
As a further improvement of the technical scheme, the electric bicycle further comprises a horizontal shaft arranged between the two rear wheels, two ends of the horizontal shaft are respectively connected with the centers of the two rear wheels, and the other end of the second electric push rod is connected with the rear wheels oppositely through the connecting horizontal shaft.
As a further improvement of the technical scheme, the electric motor further comprises a fourth connecting rod, wherein two ends of the fourth connecting rod are respectively hinged with the horizontal shaft and the third connecting rod, and the fourth connecting rod has the same structure as the first electric push rod.
As a further improvement of the technical scheme, the connection part of the first electric push rod and the third connecting rod and the connection part of the fourth connecting rod and the third connecting rod are all positioned at the same position in the middle of the third connecting rod.
As a further improvement of the technical scheme, the connection part of the first electric push rod and the seat and the connection part of the second electric push rod and the seat are all positioned at the same position on the seat.
The beneficial effects of the invention are as follows: because the length of the electric push rod can be changed, the distance between the rear wheel assembly and the middle wheel and the seat can be changed. When the improved wheelchair encounters an obstacle, the height of the improved wheelchair is adjusted by the first electric push rod and the second electric push rod, so that the rear wheel is contacted with the middle wheel to lift the seat and the front wheel off the ground, and the improved wheelchair can move forwards to the front wheel positioned at a high position to cross the obstacle as the front wheel is positioned in front of the middle wheel; then, the rear wheel and the middle wheel are adjusted so that the seat position is lowered and the front wheel falls on the ground in front of the obstacle; thirdly, lifting the middle wheel, and enabling the improved wheelchair to move forwards by means of the rear wheel and the front wheel until the middle wheel passes over the obstacle; then, the middle wheel is lowered to be fallen on the ground in front of the obstacle; then, the rear wheel is lifted off the ground and is moved forward by virtue of the front wheel and the middle wheel until the rear wheel also spans the obstacle; and finally, the improved wheelchair is adjusted back to move by means of the rear wheels and the front wheels. The improved wheelchair of the present invention is therefore useful as a mobility aid, with the function of crossing obstacles. And the first screw rod sleeve and the second screw rod sleeve synchronously move forwards or backwards, so that the push rod of the double screw rod changes rotation into linear motion. The overall strength of the screw rod sleeve is improved, so that the push rod of the double screw rod is higher in strength. Because the improved wheelchair needs larger supporting force when crossing obstacles, the service life of the first electric push rod with the structure can be prolonged, and the safety of the improved wheelchair can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic illustration of a first embodiment of the present invention;
fig. 2 is a schematic view of a modified state of the first embodiment of the present invention;
FIG. 3 is a schematic view of another variant of the first embodiment of the invention;
FIG. 4 is a schematic diagram of a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a third embodiment of the invention;
FIG. 6 is a schematic diagram of a fourth embodiment of the invention;
fig. 7 is a schematic view of a first electric putter of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1 to 3, and fig. 7, a first embodiment of the present invention, specifically:
the wheelchair comprises a seat 8, two front wheels 5 which are arranged below the front part of the seat 8 in parallel, two rear wheels 7 which are arranged below the rear part of the seat 8 in parallel, wherein the rear wheels 7 and the front wheels 5 are arranged at intervals in the front-back direction, the wheelchair further comprises a first electric push rod 1, a second electric push rod 2 and two middle wheels 6 which are arranged below the seat 8 in parallel, the middle wheels 6 are arranged between the rear wheels 7 and the front wheels 5, the diameter of the middle wheels 6 is smaller than that of the rear wheels 7, one end of the first electric push rod 1 is connected with the seat 8, the other end of the first electric push rod 1 is connected with the middle wheels 6, one end of the second electric push rod 2 is connected with the seat 8, and the other end of the second electric push rod 2 is connected with the rear wheels 7;
the first electric push rod 1 comprises a first screw rod assembly, a second screw rod assembly, a first gear 16 and a second gear 161;
the first screw rod assembly comprises a first screw rod 13 and a first screw rod sleeve 14 sleeved outside the first screw rod 13, the rear end of the first screw rod 13 is arranged in the first screw rod sleeve 14, the front end of the first screw rod 13 is rotatably connected with a first connecting piece 19, the first screw rod 13 and the first connecting piece 19 are coaxially arranged, the first connecting piece 19 is arranged in front of the first screw rod sleeve 14, the first screw rod 13 is in threaded connection with the first screw rod sleeve 14, and the rear end of the first screw rod sleeve 14 is fixedly connected with a first auxiliary connecting piece 17;
the second screw rod assembly comprises a second screw rod 131 and a second screw rod sleeve 141 sleeved outside the second screw rod 131, the rear end of the second screw rod 131 is arranged in the second screw rod sleeve 141, the front end of the second screw rod 131 is rotatably connected with a second connecting piece 191, the second connecting piece 191 is arranged in front of the second screw rod sleeve 141, the second screw rod 131 is in threaded connection with the second screw rod sleeve 141, a second auxiliary connecting piece 171 is fixedly connected with the rear end of the second screw rod sleeve 141, and the thread pitch of the surface of the second screw rod 131 is identical to the thread pitch of the surface of the first screw rod 13 and the rotation direction is opposite to the thread pitch of the surface of the first screw rod 13;
the first gear 16 is sleeved outside the first screw rod 13 and fixedly connected with the first screw rod 13, and the first gear 16 is arranged between the first connecting piece 19 and the first screw rod sleeve 14; the second gear 161 is sleeved outside the second screw rod 131 and fixedly connected with the second screw rod 131, and the second gear 161 is arranged between the second connecting piece 191 and the second screw rod sleeve 141; the first gear 16 is engaged with the second gear 161.
Specifically, the middle wheel 6 is hinged with the seat 8 through a connecting rod, one end of the first electric push rod 1 is hinged with the seat 8, and the other end of the first electric push rod 1 is hinged with the connecting rod, so that the first electric push rod is indirectly connected with the middle wheel 6; similarly, the rear wheel 7 is hinged to the seat 8 by a connecting rod, one end of the second electric putter 2 is hinged to the seat 8, and the other end of the second electric putter 2 is hinged to the connecting rod described above, so as to be indirectly connected to the rear wheel 7. As shown in fig. 1, since the length of the electric putter itself can be changed, the distance of the rear wheel assembly, the center wheel 6, from the seat 8 can also be changed. When the improved wheelchair of the invention encounters an obstacle, the height of the improved wheelchair is adjusted by the rear wheel 7 and the front wheel 5 in the normal shape, the rear wheel 7 and the middle wheel 6 are contacted with the ground by the first electric push rod 1 and the second electric push rod 2, the seat 8 and the front wheel 5 are lifted off the ground, and the improved wheelchair can move forwards until the front wheel 5 positioned at a high place passes the obstacle because the front wheel 5 is positioned in front of the middle wheel 6; then, the rear wheel 7 and the middle wheel 6 are adjusted so that the seat 8 is lowered and the front wheel 5 falls on the ground in front of the obstacle; again, the middle wheel 6 is raised, the improved wheelchair is moved forward by means of the rear wheel 7 and the front wheel 5, until the middle wheel 6 passes over the obstacle; then, the intermediate wheel 6 is lowered to be landed on the ground in front of the obstacle; then, the rear wheel 7 is lifted off the ground and is moved forward by the front wheel 5 and the middle wheel 6 until the rear wheel 7 also spans the obstacle; finally the improved wheelchair is turned back to rely on the rear wheels 7 and the front wheels 5 for movement. Wherein fig. 1 is a general shape of the improved wheelchair of the present invention, fig. 2 is a shape of the front wheel 5 of the improved wheelchair of the present invention when it is crossing an obstacle, and fig. 3 is a shape of the front wheel 5, the middle wheel 6 of the improved wheelchair of the present invention after it has crossed an obstacle.
Further, the second electric putter 2 has the same structure as the first electric putter 1. To further increase the strength of the improved wheelchair.
Further, the first electric putter 1 further includes a motor 12 and a main gear 15, where an output end of the motor 12 is fixedly connected to a center of the main gear 15, and the main gear 15 is meshed with the second gear 161. The structure is a simple and desirable driving structure of the electric push rod.
Referring to fig. 4, this is a second embodiment of the present invention, specifically:
the difference from the above embodiment is that one end of the second electric push rod 2 is fixedly connected with the seat 8. The second electric push rod 2 can complete the height change of the rear wheel 7 through the change of the length of the second electric push rod, and only one rod is used for controlling the rear wheel 7, so that the improved wheelchair is simple in structure and convenient to use.
Referring to fig. 5, this is an embodiment of the present invention, specifically:
the difference from the above embodiment is that one end of the first electric push rod 1 is fixedly connected with the seat 8. The first electric push rod 1 can complete the height change of the middle wheel 6 through the change of the length of the first electric push rod, and only one rod is used for controlling the middle wheel 6, so that the improved wheelchair is simple in structure and convenient to use.
Referring to fig. 6, this is an embodiment four of the present invention, specifically:
the difference from the above embodiment is that the electric bicycle further comprises a third connecting rod 3, one end of the third connecting rod 3 is hinged with the seat 8, the other end of the third connecting rod is connected with the center of the middle wheel 6, and the other end of the first electric push rod 1 is oppositely connected with the middle wheel 6 by being hinged with the middle part of the third connecting rod 3.
By adjusting the length of the first electric push rod 1, the angle at which the third connecting rod 3 is hinged to the seat 8 is changed, and the position of the middle wheel 6 is changed accordingly, so that the functions of the above embodiments can be realized, and the electric push rod is one of possible embodiments of the invention.
Further, the electric motor further comprises a horizontal shaft arranged between the two rear wheels 7, two ends of the horizontal shaft are respectively connected with the centers of the two rear wheels 7, and one end of the second electric push rod 2 is connected with the rear wheels 7 oppositely through the horizontal shaft.
The horizontal connecting shaft can enable the positions of the two rear wheels 7 to be relatively fixed, the stability of the wheelchair can be improved, and the strength of the connecting mode that the rear end of the second electric push rod 2 is relatively connected with the rear wheels 7 through hinging the horizontal shaft is high.
Further, the electric push rod further comprises a fourth connecting rod 4, two ends of the fourth connecting rod 4 are respectively hinged with the horizontal shaft and the third connecting rod 3, and the fourth connecting rod 4 has the same structure as the first electric push rod 1.
The fourth connecting rod 4 and the first electric push rod 1 can control the third connecting rod 3 at the same time, so that the position control of the middle wheel 6 is more reliable.
Further, the connection part of the first electric push rod 1 and the third connecting rod 3 and the connection part of the fourth connecting rod 4 and the third connecting rod 3 are all positioned at the same position in the middle of the third connecting rod 3.
Thus, the stress points of the third connecting rod 3 are centralized, and the control is easier.
Further, the connection between the first electric push rod 1 and the seat 8 and the connection between the second electric push rod 2 and the seat 8 are all located at the same position on the seat 8.
The second electric push rod 2, the first electric push rod 1 and the fourth connecting rod 4 form a guard connected triangle, and the triangle is high in stability, so that the improved wheelchair is high in stability.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included in the scope of the present invention as defined in the appended claims.

Claims (3)

1. The utility model provides an improved wheelchair, includes seat (8), two front wheel (5) of locating seat (8) front portion below mutually parallel, two rear wheel (7) of locating seat (8) rear portion below mutually parallel, rear wheel (7) and front wheel (5) front and back interval set up, its characterized in that: the electric bicycle further comprises a first electric push rod (1), a second electric push rod (2) and two middle wheels (6) which are arranged below the seat (8) in parallel, wherein the middle wheels (6) are arranged between the rear wheels (7) and the front wheels (5), the diameter of the middle wheels (6) is smaller than that of the rear wheels (7), one end of the first electric push rod (1) is connected with the seat (8), and one end of the second electric push rod (2) is connected with the seat (8);
the first electric push rod (1) comprises a first screw rod assembly, a second screw rod assembly, a first gear (16) and a second gear (161);
the first screw rod assembly comprises a first screw rod (13) and a first screw rod sleeve (14) sleeved outside the first screw rod (13), the rear end of the first screw rod (13) is arranged in the first screw rod sleeve (14), the front end of the first screw rod (13) is rotatably connected with a first connecting piece (19), the first screw rod (13) and the first connecting piece (19) are coaxially arranged, the first connecting piece (19) is arranged in front of the first screw rod sleeve (14), the first screw rod (13) is in threaded connection with the first screw rod sleeve (14), and a first auxiliary connecting piece (17) is fixedly connected to the rear end of the first screw rod sleeve (14);
the second screw rod assembly comprises a second screw rod (131) and a second screw rod sleeve (141) sleeved outside the second screw rod (131), the rear end of the second screw rod (131) is arranged in the second screw rod sleeve (141), the front end of the second screw rod (131) is rotatably connected with a second connecting piece (191), the second connecting piece (191) is arranged in front of the second screw rod sleeve (141), the second screw rod (131) is in threaded connection with the second screw rod sleeve (141), a second auxiliary connecting piece (171) is fixedly connected with the rear end of the second screw rod sleeve (141), and the threads on the surface of the second screw rod (131) are identical in thread pitch and opposite in rotation direction to those on the surface of the first screw rod (13);
the first gear (16) is sleeved outside the first screw rod (13) and fixedly connected with the first screw rod (13), and the first gear (16) is arranged between the first connecting piece (19) and the first screw rod sleeve (14); the second gear (161) is sleeved outside the second screw rod (131) and fixedly connected with the second screw rod (131), and the second gear (161) is arranged between the second connecting piece (191) and the second screw rod sleeve (141); the first gear (16) is meshed with the second gear (161);
the electric bicycle further comprises a third connecting rod (3), one end of the third connecting rod (3) is hinged with a seat (8), the other end of the third connecting rod (3) is connected with the center of the middle wheel (6), and the other end of the first electric push rod (1) is oppositely connected with the middle wheel (6) through the middle part of the hinged third connecting rod (3);
the electric bicycle further comprises a horizontal shaft arranged between the two rear wheels (7), two ends of the horizontal shaft are respectively connected with the centers of the two rear wheels (7), and the other end of the second electric push rod (2) is connected with the rear wheels (7) oppositely through the connecting horizontal shaft; the device further comprises a fourth connecting rod (4), wherein two ends of the fourth connecting rod (4) are respectively hinged with the horizontal shaft and the third connecting rod (3), and the fourth connecting rod (4) has the same structure as the first electric push rod (1);
the joint of the first electric push rod (1) and the third connecting rod (3) and the joint of the fourth connecting rod (4) and the third connecting rod (3) are all positioned at the same position in the middle of the third connecting rod (3);
the joint of the first electric push rod (1) and the seat (8) and the joint of the second electric push rod (2) and the seat (8) are all positioned at the same position on the seat (8);
the second electric push rod (2), the first electric push rod (1) and the fourth connecting rod (4) form a triangle which is connected end to end.
2. An improved wheelchair as claimed in claim 1, wherein: the second electric push rod (2) and the first electric push rod (1) have the same structure.
3. An improved wheelchair as claimed in claim 1, wherein: the first electric push rod (1) further comprises a motor (12) and a main gear (15), the output end of the motor (12) is fixedly connected with the center of the main gear (15), and the main gear (15) is meshed with the second gear (161).
CN201811099786.1A 2018-09-20 2018-09-20 Improved wheelchair Active CN109124909B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811099786.1A CN109124909B (en) 2018-09-20 2018-09-20 Improved wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811099786.1A CN109124909B (en) 2018-09-20 2018-09-20 Improved wheelchair

Publications (2)

Publication Number Publication Date
CN109124909A CN109124909A (en) 2019-01-04
CN109124909B true CN109124909B (en) 2023-12-29

Family

ID=64815274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811099786.1A Active CN109124909B (en) 2018-09-20 2018-09-20 Improved wheelchair

Country Status (1)

Country Link
CN (1) CN109124909B (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1174147A (en) * 1996-08-19 1998-02-25 崔世泰 Stairs handcart
JP2004267675A (en) * 2003-03-12 2004-09-30 Yoji Yamanari Step climbing wheelchair
RU45678U1 (en) * 2005-02-04 2005-05-27 Снегов Владимир Сергеевич HIGH PERFORMANCE VEHICLE "GALICH" (OPTIONS)
DE202004007288U1 (en) * 2004-05-07 2005-09-15 Herbert Gruettner Gmbh & Co Kg Telescopic linear drive for furniture height adjustment has drive motor and two parallel spindles with worm or screw drives
JP2006255806A (en) * 2005-03-15 2006-09-28 Univ Nihon Walking robot
CN102101633A (en) * 2009-12-17 2011-06-22 苏州新区科兴威尔电子有限公司 Double-screw lifter
CN104444942A (en) * 2014-10-30 2015-03-25 绵阳市维博电子有限责任公司 Double-screw synchronous lifting mechanism
CN105758359A (en) * 2016-04-08 2016-07-13 绍兴文理学院 Double leading screw surface appearance measuring instrument
CN105798875A (en) * 2016-05-27 2016-07-27 佐扶智能科技(上海)有限公司 Continuous jumping type step climbing robot and step adaptive climbing method
CN106160331A (en) * 2016-08-29 2016-11-23 西北工业大学 A kind of dynamo-electric fusion type high thrust electric cylinder
CN206120594U (en) * 2016-07-21 2017-04-26 依纳博(天津)智能科技发展有限公司 Multi -functional wheelchair with climb building function
CN206142726U (en) * 2016-09-20 2017-05-03 浙江捷昌线性驱动科技股份有限公司 Driver
CN206675645U (en) * 2016-11-22 2017-11-28 佛山科学技术学院 A kind of wheelchair
CN107485500A (en) * 2017-08-18 2017-12-19 常州摩本智能科技有限公司 Manned intelligent robot
CN108186218A (en) * 2018-03-07 2018-06-22 中国人民解放军陆军军医大学第三附属医院(野战外科研究所) It is a kind of can folding deformation multifunctional wheelchair
CN209611558U (en) * 2018-09-20 2019-11-12 佛山科学技术学院 A kind of improved wheelchair

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1174147A (en) * 1996-08-19 1998-02-25 崔世泰 Stairs handcart
JP2004267675A (en) * 2003-03-12 2004-09-30 Yoji Yamanari Step climbing wheelchair
DE202004007288U1 (en) * 2004-05-07 2005-09-15 Herbert Gruettner Gmbh & Co Kg Telescopic linear drive for furniture height adjustment has drive motor and two parallel spindles with worm or screw drives
RU45678U1 (en) * 2005-02-04 2005-05-27 Снегов Владимир Сергеевич HIGH PERFORMANCE VEHICLE "GALICH" (OPTIONS)
JP2006255806A (en) * 2005-03-15 2006-09-28 Univ Nihon Walking robot
CN102101633A (en) * 2009-12-17 2011-06-22 苏州新区科兴威尔电子有限公司 Double-screw lifter
CN104444942A (en) * 2014-10-30 2015-03-25 绵阳市维博电子有限责任公司 Double-screw synchronous lifting mechanism
CN105758359A (en) * 2016-04-08 2016-07-13 绍兴文理学院 Double leading screw surface appearance measuring instrument
CN105798875A (en) * 2016-05-27 2016-07-27 佐扶智能科技(上海)有限公司 Continuous jumping type step climbing robot and step adaptive climbing method
CN206120594U (en) * 2016-07-21 2017-04-26 依纳博(天津)智能科技发展有限公司 Multi -functional wheelchair with climb building function
CN106160331A (en) * 2016-08-29 2016-11-23 西北工业大学 A kind of dynamo-electric fusion type high thrust electric cylinder
CN206142726U (en) * 2016-09-20 2017-05-03 浙江捷昌线性驱动科技股份有限公司 Driver
CN206675645U (en) * 2016-11-22 2017-11-28 佛山科学技术学院 A kind of wheelchair
CN107485500A (en) * 2017-08-18 2017-12-19 常州摩本智能科技有限公司 Manned intelligent robot
CN108186218A (en) * 2018-03-07 2018-06-22 中国人民解放军陆军军医大学第三附属医院(野战外科研究所) It is a kind of can folding deformation multifunctional wheelchair
CN209611558U (en) * 2018-09-20 2019-11-12 佛山科学技术学院 A kind of improved wheelchair

Also Published As

Publication number Publication date
CN109124909A (en) 2019-01-04

Similar Documents

Publication Publication Date Title
US9737448B2 (en) Elevating manual wheelchair
CN206434496U (en) A kind of three purposes electric wheel-chair vehicles
CN102188310B (en) Electric wheelchair with obstacle clearing function
EP3578154B1 (en) Indoor and outdoor mobility device system
CN107411901A (en) Intelligent multifunction electric wheel-chair vehicle
CN104921878B (en) Omnidirectional's electric wheelchair
CN204655312U (en) A kind of wheelchair and backrest angle adjusting device thereof
CN202605146U (en) Electrical stair climbing vehicle
CN109589215A (en) A kind of body chassis of obstacle detouring wheelchair
CN212522218U (en) Wheelchair capable of crossing obstacles
CN107157666A (en) A kind of multifunctional electric wheelchair
CN109124909B (en) Improved wheelchair
CN213641656U (en) Obstacle-crossing wheelchair
CN203183178U (en) Wheelchair standing and sitting mechanism and wheelchair provided with same
CN208808886U (en) A kind of multi-purpose intelligent wheelchair
CN203391929U (en) Retractable electric vehicle
CN209611558U (en) A kind of improved wheelchair
CN104814843A (en) Multifunctional free chair
CN209392269U (en) A kind of wheelchair
CN202128648U (en) Electric wheelchair with obstacle crossing function
CN203970711U (en) Scooter downstairs on a kind of autocontrol
CN209032907U (en) A kind of variable pose obstacle crossing type intelligent wheel chair
CN204971938U (en) Electric wheelchair
CN202554297U (en) Wheelchair
CN215350082U (en) Novel multifunctional wheelchair capable of going upstairs

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant