CN109363841A - A kind of Multifunctional rehabilitation vehicles - Google Patents

A kind of Multifunctional rehabilitation vehicles Download PDF

Info

Publication number
CN109363841A
CN109363841A CN201811177919.2A CN201811177919A CN109363841A CN 109363841 A CN109363841 A CN 109363841A CN 201811177919 A CN201811177919 A CN 201811177919A CN 109363841 A CN109363841 A CN 109363841A
Authority
CN
China
Prior art keywords
worm
gear
wheel
skeleton
multifunctional rehabilitation
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.)
Pending
Application number
CN201811177919.2A
Other languages
Chinese (zh)
Inventor
陈传东
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.)
Changzhou Kedong Vehicle Equipment Factory
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811177919.2A priority Critical patent/CN109363841A/en
Publication of CN109363841A publication Critical patent/CN109363841A/en
Pending legal-status Critical Current

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
    • A61G5/04Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • 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
    • A61G5/061Chairs 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 for climbing stairs
    • 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
    • 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
    • A61G5/1005Wheelchairs having brakes
    • A61G5/1037Wheelchairs having brakes manipulated by assisting person

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a kind of Multifunctional rehabilitation vehicles, including wheel running gear, endless track installation, intermediate rotary shaft, anti-overturn mechanism, worm and gear walking switching device and mobile manipulator mechanism, it is characterised in that: the intermediate rotary shaft both ends are installed on wheel running gear skeleton and endless track installation skeleton;The anti-overturn mechanism is installed on wheel running gear skeleton;The worm and gear walking switching device connection wheel running gear and endless track installation;The mobile manipulator mechanism is installed on wheel running gear skeleton.The configuration of the present invention is simple securely and reliably realizes public bus reserved for the disabled climbing stairs, anti-slip back and anti-tipping function.

Description

A kind of Multifunctional rehabilitation vehicles
Technical field
The present invention relates to a kind of public bus reserved for the disabled technical field, specially a kind of Multifunctional rehabilitation vehicles.
Background technique
Public bus reserved for the disabled designs for convenience of patient is pushed, and most of public bus reserved for the disabled is that roller sub-line walks to realize mobile. And many hospitals do not have elevator, public bus reserved for the disabled stair activity is needed by manpower, and general moveable public bus reserved for the disabled is unable to satisfy automatically The requirement of stair activity.
Summary of the invention
The present invention provides a kind of Multifunctional rehabilitation vehicles, with solve it is mentioned above in the background art can not stair activity requirement The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of Multifunctional rehabilitation vehicles, including wheel running gear, endless track installation, intermediate rotary shaft, anti-overturn mechanism, worm gear snail Bar walking switching device and mobile manipulator mechanism, it is characterised in that: the intermediate rotary shaft both ends are installed on wheel Running System It unites on skeleton and endless track installation skeleton;The anti-overturn mechanism is installed on wheel running gear skeleton;The snail Worm and gear walking switching device connection wheel running gear and endless track installation;The mobile manipulator mechanism is installed on vehicle It takes turns on running gear skeleton.
The wheel running gear, including body frame, two front-wheels, front wheel truck, two rear-wheels, decelerating through motor Mechanism and two gear-boxes;Two round holes are set on the inside of the body frame, for installing intermediate rotary shaft;The vehicle body 4 rotation axis are set on the outside of skeleton, for installing worm and gear walking switching device;Before two front-wheels are respectively arranged in Take turns bogie both ends;The front wheel truck is installed on body frame;Two gear-box both ends are separately connected two A rear-wheel and motor decelerating mechanism;The gear-box is installed on body frame.
Each gear-box includes shell and 5 identical gears.
The endless track installation, including two groups of Athey wheel compositions, crawler belt skeleton, motor decelerating mechanism and anti-slip back machine Structure;Two groups of Athey wheels composition is respectively arranged in crawler belt skeletal internal;The motor decelerating mechanism is installed on Athey wheel On anteriomedial axis.
The Athey wheel composition, including crawler belt, two walking bull wheels, 3 walking support steamboats and two tensioning wheels;Institute The crawler belt skeleton stated is by two groups of outriggers, two groups of medial cradles and connecting plate composition;5 crawler belts are arranged in the outrigger Take turns mounting hole and slotted hole.
The anti-slip back mechanism, including counnter attack runner shaft, spring, pressing plate and mounting base;The counnter attack runner shaft peace Loaded on Athey wheel hind axle;The spring connection pressing plate closely takes turns end and mounting base;The pressing plate is installed by revolute pair In mounting base;The mounting base is mounted on inside the inside clamping plate of crawler belt skeleton at nearly rear-wheel.
The intermediate rotary shaft, including square bar and two bearings;The square bar both ends are respectively arranged in endless track installation Crawler belt skeleton square hole in;Two bearings are respectively arranged in the body frame circular hole of wheel running gear.
It is rectangular configuration among the square bar, both ends are circular configuration.
The anti-overturn mechanism includes telescopic rod and screwed pressing with shaft.
The worm and gear walking switching device includes motor, Worm Wheel System case;The Worm Wheel System Case includes built-in worm gear, external worm screw and shell;The external worm end setting rotation circular hole of the Worm Wheel System case, And it is connected in the rotation axis of body frame;Shell one end setting rotation circular hole of the Worm Wheel System case, and connect In in the rotation axis of crawler belt skeleton.
The mobile manipulator mechanism includes worm and gear lifting device, worm and gear lifting device and mounting base;Institute The worm and gear lifting device stated includes motor, external worm screw and shell;The worm and gear lifting device includes motor, outside Set worm screw and shell;The shell of the worm and gear lifting device passes through revolute pair respectively and is connected to mounting base and worm and gear On the external worm screw of lifting device;The shell of the worm and gear lifting device is connected in mounting base by revolute pair;Institute The external worm screw of two worm and gear lifting devices of the mobile manipulator mechanism stated is rigidly connected.
A kind of Multifunctional rehabilitation vehicles further include two seats being installed on wheel running gear skeleton.
For the even running for guaranteeing public bus reserved for the disabled, the invention also includes a set of complete machine control systems.Wherein, whole-control system The main automatic control realized to mobile manipulator, motor reducer and worm and gear lifting device.Its main control process are as follows:
Before stair climbing, whole-control system controls the motor speed of worm and gear walking switching device, thus 4 worm screws of control Synchro-draw at this time under reaction force, wheel running gear is propped up and leaves ground and reaches so that endless track installation lands Closing control circuit after certain safe altitude;When endless track installation stair climbing, it is big that whole-control system detects the gradient automatically It is small, two, the rear-wheel end transmission mechanism of control worm and gear walking switching device is opened, worm screw is further extended, until wheel row The vehicle body of walking system reaches horizontality.At the end of ladder, crawler travel to horizontal plane, worm and gear walking switching device Latter two motor reversal, worm screw compression, until the vehicle body of wheel running gear is horizontal.
When public bus reserved for the disabled reaches beside hospital bed, the F folder rigidity of anti-overturn mechanism is fixed on hospital bed leg or other objects first On body;Then the movement of whole-control system control mobile manipulator, realizes the movement up and down to cantilever beam, thus real Now pick the purpose of patient.
Compared with prior art, the beneficial effects of the present invention are:
One, stair climbing demand can be realized by automatically switching wheel running gear to endless track installation;
Two, during stair climbing, two groups of the front and back worm screw for the switching device that can be walked by adjusting worm and gear stretches, It is horizontal to realize vehicle body, to keep seat horizontal, guarantees the comfort of patient patient;
Three, anti-slip back mechanism, guarantee caterpillar belt structure stair climbing that can be safe and reliable are provided with;
Four, it is provided with anti-tipping structure, hospital bed or other objects are caught by F clamping structure when in use, guarantees to use public bus reserved for the disabled It will not overturn, achieve the purpose that safe and reliable during picking patient;
Five, by setting mobile manipulator, realize that picking patient leaves public bus reserved for the disabled automatically.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Multifunctional rehabilitation vehicles;
Fig. 2 is the structural schematic diagram of wheel running gear;
Fig. 3 is the structural schematic diagram of gear-box;
Fig. 4 is the structural schematic diagram of endless track installation;
Fig. 5 is the structural schematic diagram of Athey wheel composition;
Fig. 6 is the structural schematic diagram of crawler belt skeleton;
Fig. 7 is the structural schematic diagram of anti-reverse mechanism;
Fig. 8 is anti-overturn mechanism schematic diagram;
Fig. 9 is the structural schematic diagram of worm and gear walking switching device;
Figure 10 is mechanically moving hands movement schematic diagram;
Figure 11 is the mounting base schematic diagram of mobile manipulator;
Figure 12 is crawler belt climbing schematic diagram.
In figure: 100- wheel running gear, 101- body frame, 102- front-wheel, 103- front wheel truck, 104- rear-wheel, 105- motor decelerating mechanism, 110- gear-box, 111- shell, 112- gear;200- endless track installation, 210- Athey wheel group At, 220- crawler belt skeleton, 203- motor decelerating mechanism, the anti-slip back mechanism of 204-, 221- crawler belt, 212- walking bull wheel, 213- row It walks and supports steamboat, 214- tensioning wheel, 221- outrigger, 222- medial cradle, 223- connecting plate, 241 counnter attack runner shafts, 242- Spring, 243- pressing plate, 244- mounting base;300- intermediate rotary shaft, 301- square bar, 302- bearing;400- anti-overturn mechanism, 402- stretch Contracting bar, the screwed pressing of 401-;500- worm and gear walking switching device;600- mobile manipulator mechanism;700- seat.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment one: being shown in attached drawing 1, embodiment when running for wheel running gear 100 of the present invention.Driver is sitting in front stall Chair, patient are sitting in rear seat.At this point, worm and gear walking switching device system is in close state, control system is directly controlled The motor reducer of wheel running gear processed, realizes the walking of level road.
Embodiment two: being shown in attached drawing 12, for the embodiment of crawler belt climbing.When endless track installation stair climbing, full-vehicle control System detects gradient size automatically, and two, the rear-wheel end motor of control control worm and gear walking switching device further stretches Worm screw, until the vehicle body of wheel running gear reaches horizontality.At the end of ladder, crawler travel to horizontal plane, worm gear snail Bar and latter two motor reversal for walking switching device, worm screw shrink, until the vehicle body of wheel running gear is horizontal.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (12)

1. a kind of Multifunctional rehabilitation vehicles, including wheel running gear (100), endless track installation (200), intermediate rotary shaft (300), Anti-overturn mechanism (400), worm and gear walking switching device (500) and mobile manipulator mechanism (600), it is characterised in that: institute Intermediate rotary shaft (300) both ends stated are installed on wheel running gear (100) skeleton and endless track installation (200) skeleton;Institute The anti-overturn mechanism (400) stated is installed on wheel running gear (100) skeleton;The worm and gear walking switching device (500) wheel running gear (100) and endless track installation (200) are connected;The mobile manipulator mechanism (600) is installed on On wheel running gear (100) skeleton.
2. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: the wheel running gear (100), Including body frame (101), two front-wheels (102), front wheel truck (103), two rear-wheels (104), motor decelerating mechanism (105) and two gear-boxes (110);Two round holes are set on the inside of the body frame (101);The body frame (101) 4 rotation axis are arranged in outside;Two front-wheels (102) are respectively arranged in front wheel truck (103) both ends;It is described Front wheel truck (103) be installed on body frame (101);Two gear-box (110) both ends are separately connected two Rear-wheel (104) and motor decelerating mechanism (105);The gear-box (110) is installed on body frame (101).
3. a kind of Multifunctional rehabilitation vehicles according to claim 2, it is characterised in that: each gear-box includes shell (111) and 5 identical gears (112).
4. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: the endless track installation (200), Including two groups of Athey wheels compositions (210), crawler belt skeleton (220), motor decelerating mechanism (203) and anti-slip back mechanism (240);It is described Two groups of Athey wheels composition (210) to be respectively arranged in crawler belt skeleton (220) internal;Motor decelerating mechanism (203) installation In on Athey wheel (210) anteriomedial axis.
5. a kind of Multifunctional rehabilitation vehicles according to claim 4, it is characterised in that: the Athey wheel forms (210), packet It includes crawler belt (211), two walking bull wheels (212), 3 walking supports steamboat (213) and two tensioning wheels (214);The shoe Band skeleton (220) is by two groups of outriggers (221), two groups of medial cradles (222) and connecting plate (223) composition;The outside 5 Athey wheel mounting holes and slotted hole is arranged in bracket (221).
6. a kind of Multifunctional rehabilitation vehicles according to claim 4, it is characterised in that: the anti-slip back mechanism (240), packet It includes counnter attack runner shaft (241), spring (242), pressing plate (243) and mounting base (244);Counnter attack runner shaft (241) installation In on Athey wheel hind axle;Spring (242) connection pressing plate (243) closely wheel end and mounting base (244);The pressing plate (243) it is mounted on mounting base (244) by revolute pair;The mounting base (244) is mounted on the inside of crawler belt skeleton (220) At the internal nearly rear-wheel of clamping plate (222).
7. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: the intermediate rotary shaft (300), including Square bar (301) and two bearings (302);Square bar (301) both ends are respectively arranged in the crawler belt skeleton of endless track installation (220) in square hole;Two bearings are respectively arranged in body frame (101) circular hole of wheel running gear (100).
8. a kind of Multifunctional rehabilitation vehicles according to claim 7, it is characterised in that: be square among the square bar (301) Shape structure, both ends are circular configuration.
9. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: anti-overturn mechanism (400) packet Include telescopic rod (402) and screwed pressing (401) with shaft.
10. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: the worm and gear, which is walked, to be switched Device (500) includes motor (501), Worm Wheel System case (502);The Worm Wheel System case (502) includes built-in Worm gear, external worm screw and shell;The external worm end setting rotation circular hole of the Worm Wheel System case (502), and even It is connected in the rotation axis of body frame (101);Shell one end setting rotation circular hole of the Worm Wheel System case (502), And it is connected in the rotation axis of crawler belt skeleton (220).
11. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: the mobile manipulator mechanism It (600) include worm and gear lifting device (601), worm and gear lifting device (602) and mounting base (603);The worm gear Worm screw lifting device (601) includes motor, external worm screw and shell;The worm and gear lifting device (602) includes motor, External worm screw and shell;The shell of the worm and gear lifting device (601) passes through revolute pair respectively and is connected to mounting base (603) and on the external worm screw of worm and gear lifting device (602);The shell of the worm and gear lifting device (602) is logical Revolute pair is crossed to be connected on mounting base (603);Two worm and gear lifting devices of the mobile manipulator mechanism (600) (601) external worm screw is rigidly connected.
12. a kind of Multifunctional rehabilitation vehicles according to claim 1, it is characterised in that: further include two and be installed on wheel row Seat (700) on walking system (100) skeleton.
CN201811177919.2A 2018-10-10 2018-10-10 A kind of Multifunctional rehabilitation vehicles Pending CN109363841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811177919.2A CN109363841A (en) 2018-10-10 2018-10-10 A kind of Multifunctional rehabilitation vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811177919.2A CN109363841A (en) 2018-10-10 2018-10-10 A kind of Multifunctional rehabilitation vehicles

Publications (1)

Publication Number Publication Date
CN109363841A true CN109363841A (en) 2019-02-22

Family

ID=65403438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811177919.2A Pending CN109363841A (en) 2018-10-10 2018-10-10 A kind of Multifunctional rehabilitation vehicles

Country Status (1)

Country Link
CN (1) CN109363841A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002085476A (en) * 2000-09-14 2002-03-26 Toyota Auto Body Co Ltd Wheelchair capable of climbing stairs
CN1785144A (en) * 2005-09-02 2006-06-14 沈国定 Trolley type carriage for carrying patients to surgical operate
CN101797202A (en) * 2010-01-18 2010-08-11 张瑞钧 Crawler-type land-stair dual-purpose scooter
CN203381672U (en) * 2013-05-29 2014-01-08 武汉优莱格科技发展有限公司 Crawler type stair climbing barrow
CN104382705A (en) * 2014-11-21 2015-03-04 王正东 Off-road stair-climbing wheelchair capable of realizing wheel and track switching
CN105167927A (en) * 2015-09-17 2015-12-23 哈尔滨工程大学 Wheel-track combined wheelchair capable of climbing stairs
CN106264912A (en) * 2016-10-09 2017-01-04 珠海索奇电子科技有限公司 Electric cart for going-up stairs
CN108272567A (en) * 2018-03-15 2018-07-13 苏州智辅机电有限公司 The compound vehicle of automatically controlled track type climbing-building walking

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002085476A (en) * 2000-09-14 2002-03-26 Toyota Auto Body Co Ltd Wheelchair capable of climbing stairs
CN1785144A (en) * 2005-09-02 2006-06-14 沈国定 Trolley type carriage for carrying patients to surgical operate
CN101797202A (en) * 2010-01-18 2010-08-11 张瑞钧 Crawler-type land-stair dual-purpose scooter
CN203381672U (en) * 2013-05-29 2014-01-08 武汉优莱格科技发展有限公司 Crawler type stair climbing barrow
CN104382705A (en) * 2014-11-21 2015-03-04 王正东 Off-road stair-climbing wheelchair capable of realizing wheel and track switching
CN105167927A (en) * 2015-09-17 2015-12-23 哈尔滨工程大学 Wheel-track combined wheelchair capable of climbing stairs
CN106264912A (en) * 2016-10-09 2017-01-04 珠海索奇电子科技有限公司 Electric cart for going-up stairs
CN108272567A (en) * 2018-03-15 2018-07-13 苏州智辅机电有限公司 The compound vehicle of automatically controlled track type climbing-building walking

Similar Documents

Publication Publication Date Title
CN104027207B (en) Multi-functional accessible life electric wheelchair
CN105109565B (en) Walking mechanism and the Moped Scooter and toy for assembling the walking mechanism
CN105748217B (en) The crawler belt stair-climbing wheel chair of binodal four swung based on road wheel and upper method downstairs
CN203042684U (en) Multifunctional stair climbing wheel chair
CN102028590B (en) Dual-purpose enclosed electric wheelchair for climbing stairs and walking
CN204219245U (en) Elevator
CN205339345U (en) Building wheelchair was climbed to two tracks two festivals based on swing of walking wheel
CN105105986A (en) Walking aid exoskeleton robot with wheel type mobile function
CN105596160A (en) Single-section and double-crawler stair-climbing wheelchair based on swinging of walking wheels, and method for going upstairs and downstairs of single-section double-crawler stair-climbing wheelchair
CN105726232A (en) Double-section double-caterpillar-band stair climbing wheelchair based on travelling wheel swing and method for going upstairs and downstairs
CN212281925U (en) Multifunctional wheelchair with storage battery for assisting in walking and climbing stairs
CN109363842A (en) A kind of Multifunctional rehabilitation vehicles
CN109662846A (en) One kind is convenient for climbing wheelchair capable of climbing up stair
EP1793788A1 (en) Driving system for passing fly-over obstacles by invalid chair
CN205515253U (en) Building wheelchair is climbed to two tracks of single section based on swing of walking wheel
CN109363841A (en) A kind of Multifunctional rehabilitation vehicles
CN103300981A (en) Wheelchair capable of climbing up stair
CN201044790Y (en) A special type multifunctional stretcher cart capable of being up and down
CN211750876U (en) Dual-purpose device for walking aid and wheelchair
WO2019020645A1 (en) Self-balancing, single-axle running-gear unit having a stair-climbing function
CN209332644U (en) A kind of multi-functional medical step exercises vehicle
CN110203294B (en) Automatic stair climbing device
CN104434431A (en) Portable stair climbing device
CN109110027B (en) Electric bicycle with telescopic frame
CN201870836U (en) Enclosed power-driven wheel chair for going upstairs and walking on ground

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
TA01 Transfer of patent application right

Effective date of registration: 20240110

Address after: 213000 No.32, Lvshu East Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province

Applicant after: Changzhou Kedong vehicle equipment factory

Address before: No. 60 Chenjiatang, Xinmin Village Committee, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province, 213000

Applicant before: Chen Chuandong

TA01 Transfer of patent application right