CN110478148A - A kind of wheel-track combined wheelchair - Google Patents
A kind of wheel-track combined wheelchair Download PDFInfo
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- CN110478148A CN110478148A CN201910728445.4A CN201910728445A CN110478148A CN 110478148 A CN110478148 A CN 110478148A CN 201910728445 A CN201910728445 A CN 201910728445A CN 110478148 A CN110478148 A CN 110478148A
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- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 230000002146 bilateral effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 37
- 241000219098 Parthenocissus Species 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 241000935985 Certhiidae Species 0.000 claims description 6
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 238000004904 shortening Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000009194 climbing Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs 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
- A61G5/061—Chairs 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs 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
- A61G5/066—Chairs 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 with endless belts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1094—Tables, working plates or trays
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
- A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
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)
- Handcart (AREA)
Abstract
The present invention discloses a kind of wheel-track combined wheelchair, including wheelchair body, there are two main wheel and the main wheel driving devices to drive two main wheels to rotate for wheelchair body tool, the wheel shaft of two main wheels is rotatablely connected with the middle part at left and right sides of wheelchair body respectively, it further include first driving device, crawler attachment and two accessory whorls, first driving device is mounted on wheelchair body lower end, there are two the driving ends of bilateral symmetry distribution for first driving device tool, the wheel shaft of two accessory whorls is rotatablely connected with two driving ends of first driving device respectively, first driving device is moved up and down to drive two accessory whorls to synchronize, crawler attachment is horizontally set on the lower end of wheelchair body by the second driving device along the longitudinal direction, second driving device is to drive the front end of two crawler attachments to move up and down, crawler attachment has the track driving mechanism for driving its crawler travel.Wheel-track combined wheelchair of the present invention can realize level land it is mobile, across the function of groove and stair activity.
Description
Technical field
The present invention relates to wheelchair technical field, in particular to a kind of wheel-track combined wheelchair.
Background technique
There are many common wheelchair type currently on the market, but they can only all walk on accessible interior or level land,
Just seem helpless when facing barrier or stair.
In order to realize wheelchair stair activity, there are a few class stair climbing wheelchairs, mainly include planet gear type, crawler type, friendship
For brace type and wheel-track combined wheelchair.Wherein, planet wheel type stair-climbing Wheelchair structure is relatively easy, but the center of gravity in ladder
Fluctuation is big, and comfort level is poor；Crawler type stair climbing wheelchair is parallel with step inclined-plane close to one due to the motion profile of center of gravity
Straight line, therefore move steadily, vibration is smaller, but resistance is larger when driving and turning is more difficult on level land.
Summary of the invention
The main object of the present invention is to provide a kind of wheel-track combined wheelchair, has traveling flexibly and ladder is smoothly excellent
Point, the technical solution of use are as follows:
A kind of wheel-track combined wheelchair, including wheelchair body, the wheelchair body tool is there are two main wheel and to drive two
The main wheel driving device of a main wheel rotation, the wheel shaft of two main wheels respectively at left and right sides of the wheelchair body in
Portion's rotation connection, further includes that first driving device, crawler attachment and two accessory whorls, the first driving device are mounted on the wheel
Chair ontology lower end, there are two the driving end of bilateral symmetry distribution, the wheel shafts point of two accessory whorls for the first driving device tool
It is not rotatablely connected with two driving ends of the first driving device, and two accessory whorls are respectively positioned on described two main wheels
Rear, the level height of two accessory whorl lower ends is above the level height of the main wheel lower end, the first driving dress
It sets and stretches out the lower section of the main wheel to drive two accessory whorls to move downward simultaneously to the lower end of the two, or move up
To reset, the crawler attachment has the track driving mechanism for driving the rotation of its crawler belt, and the crawler attachment drives by second
Dynamic device is horizontally set on the lower end of the wheelchair body along the longitudinal direction and is sequentially connected with second driving device, and institute
The level height for stating crawler attachment lower end is higher than the level height of the main wheel lower end, and second driving device is to drive
The front end for stating crawler attachment is moved downward to its lower end and stretches out the lower section of the main wheel, or is moved upward to reset.
Preferably, the first driving device includes the first driving mechanism and two rotation components, two rotation groups
Part is spaced in left-right direction and is symmetrically installed on the wheelchair body lower end, the wheel shaft of two accessory whorls respectively with two institutes
It states rotation component to be connected and fixed, first driving mechanism is sequentially connected with two rotation components, first driving machine
Structure is mounted on the wheelchair body lower end, moves down to drive two rotation components that two accessory whorls is driven to synchronize
It is dynamic.
Preferably, each rotation component respectively includes rack gear, first gear, the first flexible electric cylinders and fixed link, institute
It is horizontal along the longitudinal direction respectively and be slidably mounted on the lower end of the wheelchair body to state rack gear, the first gear with it is described
The transmission connection of first driving mechanism, and engaged with the rack gear, the first flexible electric cylinders have outer cylinder and setting described outer
Telescopic rod in cylinder, the outer cylinder of the first flexible electric cylinders is rotatably installed in the lower end of the wheelchair body, and is located at the tooth
The front of item, downward, the wheel shaft of two accessory whorls is respectively and fixedly installed to described in two the first flexible electric cylinders telescopic end
The telescopic end of first flexible electric cylinders, one end of the fixed link are connect with the rear end thereof of the rack gear, the other end with it is described
The middle part of first flexible electric cylinders outer cylinder is rotatablely connected, and it is positive and negative that first driving mechanism can drive two first gears to synchronize
Turn, is slid back and forth so that two rack gears be driven to synchronize.
Preferably, second driving device includes connecting plate and two the second flexible electric cylinders, after the crawler attachment
End is connect by the connecting plate with the rear end thereof of the wheelchair body lower end, and the second flexible electric cylinders have outer cylinder and stretch
Bar, the outer cylinder of two second flexible electric cylinders are rotatablely connected with the lower end of the wheelchair body respectively, and the two bilateral symmetry
Distribution, the telescopic rod of two second flexible electric cylinders rotate diagonally downward and with the front end of the crawler attachment forward respectively
Connection, the telescopic rod of two second flexible electric cylinders, which can synchronize, to be extended to drive the front end of the crawler attachment to rotate down,
Or synchronous shortening is to drive the front end of the crawler attachment to be rotated up.
Preferably, the crawler attachment includes track driving mechanism, the creeper undercarriage of two bar shapeds, two bar shapeds
Connector and two groove bodies, two groove bodies are horizontally fixed on the lower end of the wheelchair body, and two along the longitudinal direction respectively
Downward, two creepers undercarriage are horizontally arranged in the corresponding groove body notch of person along the longitudinal direction respectively, and
Two creeper undercarriage lower ends are stretched out respectively below the corresponding groove body notch, and two connectors are respectively along left and right
Direction is horizontally set between the front-end and back-end of described two groove bodies, the left and right ends of each connector respectively with
The outer wall of two groove bodies is connected and fixed, and the track driving mechanism is mounted on the connector, and respectively with two institutes
State creeper undercarriage transmission connection, the lower end that the connector being located behind passes through the connecting plate and the wheelchair body
Rotation connection, the telescopic end of two the second flexible electric cylinders are sequentially connected with the connector being located in front of the groove body respectively.
Preferably, the wheelchair body further includes the backrest of seat board and U-shaped, and the seat board is that level is set along the longitudinal direction
It sets, the backrest is vertically provided at the seat board rear end and its is opening down, and the both ends of the backrest lower end are driven by third
Mechanism is mounted on the rear end of the seat board, and the third driving mechanism is to drive backrest front and back overturning.
Preferably, the main wheel driving device includes the 4th driving mechanism and two transmission mechanisms, and the seat board is in rectangular
Shape, two transmission mechanisms are symmetrically mounted on the left and right sides of the seat board, and two main wheels are separately mounted to ipsilateral
The driving end of the transmission mechanism, the 4th driving mechanism are mounted on the seat board lower end, the drive of the 4th driving mechanism
Moved end is sequentially connected with two transmission mechanisms, and two transmission mechanisms can be driven to drive two main wheels are synchronous to turn
It is dynamic.
Preferably, the transmission mechanism includes belt and three belt pulleys, and three belt pulleys are rotatably installed in respectively
The side of the seat board, and three belt pulleys are enclosed a triangle, the belt, which is set in, to be corresponded to described in three
On belt pulley, the wheel shaft of two main wheels is coaxially fixedly mounted on respectively on an ipsilateral belt pulley, and the described 4th
Driving mechanism is connect with one of them described pulley drive in two belt pulleys remaining in two transmission components.
Preferably, the wheelchair body further includes desktop component, and the desktop component includes shell, shaft and desktop, institute
The rectangular groove body that shell is inner hollow and upper end opening is stated, the shell is mounted vertically in the right side of the seat board along the longitudinal direction
Side, the shaft are horizontally set on the front of the shell upper end along the longitudinal direction, and the shaft rear end can front and back rotate
It is mounted on the front end of the shell upper end, the desktop is horizontally set in left-right direction in front of the wheelchair body, the table
The right end of plate and the front end of the shaft are connected and fixed.
Preferably, the wheelchair body further includes two foot pedal components, and each foot pedal component respectively includes foot
Pedal, pedal connecting rod and mounting post, two mounting posts are vertical respectively and are left and right symmetrically arranged on a left side for the seat board upper end
Right two sides, one end of two pedal connecting rods are rotatablely connected with the upper end of the corresponding mounting post respectively, and two described foot-operated
The other end of connecting rod extends obliquely downward forward respectively, and two foot pedals are separately mounted to correspond under the pedal connecting rod
End.
Wheel-track combined wheelchair of the present invention can realize level land it is mobile, across the function of groove and stair activity.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of wheelchair of the present invention；
Fig. 2 is the cross-sectional view of wheelchair of the present invention；
Fig. 3 is the structural schematic diagram of first driving device of the present invention；
Fig. 4 is one of the structural schematic diagram of crawler attachment of the present invention；
Fig. 5 is the second structural representation of crawler attachment of the present invention；
Fig. 6 is the structural schematic diagram of track assembly of the present invention；
Fig. 7 is the structural schematic diagram of driving device of the present invention；
Fig. 8 is the structural schematic diagram of third driving mechanism of the present invention；
Fig. 9 is the structural schematic diagram of foot pedal component of the present invention；
Figure 10 is the structural schematic diagram of desktop component of the present invention.
The concrete meaning of appended drawing reference are as follows:
1, wheelchair body；11, main wheel；12, main wheel driving device；121, the 4th driving mechanism；1211, the 4th motor；
1212, the first transmission shaft；1213, second driving shaft；1214, the 5th gear；122, transmission mechanism；1221, belt；1222, skin
Belt wheel；13, seat board；14, backrest；15, third driving mechanism；151, third motor；152, first connecting rod；153, the second connection
Bar；154, the 4th gear；16, desktop component；161, shell；162, shaft；163, desktop；1631, the first desktop；1632,
Two desktops；17, foot pedal component；171, foot pedal；172, pedal connecting rod；173, mounting post；18, sunshade；181, round bar；
182, locking assembly；
2, first driving device；21, the first driving mechanism；211, first motor；212, the first connecting shaft；213, second connects
Axis；214, second gear；22, rotation component；221, rack gear；222, first gear；223, the first flexible electric cylinders；224, fixed
Bar；
3, the second driving device；31, the second flexible electric cylinders；
4, accessory whorl；
5, crawler attachment；51, track driving mechanism；511, driving unit；5111, the second motor；5112, first connecting rod；
5113, second connecting rod；5114, third gear；52, creeper undercarriage；521, track assembly；5211, crawler belt；5212, actively
Wheel；5213, driven wheel；5214, cross bar；5215, idler wheel；53, connector；54, groove body.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Principles and features of the present invention are described below in conjunction with attached drawing 1-10, example is served only for explaining this hair
It is bright, it is not intended to limit the scope of the present invention.The present invention is more specifically described by way of example referring to attached drawing in the following passage.
According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted that attached drawing is all made of very
Simplified form and non-accurate ratio is used, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig.1-10, one embodiment of the invention, wheelchair sheet described in wheel-track combined wheelchair described in the present embodiment are proposed
There are two main wheel 11 and the main wheel driving device 12 to drive two main wheels 11 to rotate, two main wheels 11 for the tool of body 1
Middle part of the wheel shaft respectively with 1 left and right sides of the wheelchair body be rotatablely connected, further include first driving device 2, crawler attachment 5
With two accessory whorls 4, the first driving device 2 is mounted on 1 lower end of wheelchair body, and the first driving device 2 has two
The driving end of a bilateral symmetry distribution, the wheel shaft of two accessory whorls 4 respectively with two driving ends of the first driving device 2
Rotation connection, and two accessory whorls 4 are respectively positioned on the rear of described two main wheels 11, the water of two 4 lower ends of accessory whorl
Flat height is above the level height of 11 lower end of main wheel, and the first driving device 2 is same to drive two accessory whorls 4
The lower section of the main wheel 11 is stretched out in the lower end that step is moved downward to the two, or is moved upward to reset, and the crawler attachment 5 has
There is the track driving mechanism 51 for driving the rotation of its crawler belt, and the crawler attachment 5 passes through the second driving device 3 water along the longitudinal direction
The flat lower end that the wheelchair body 1 is arranged in simultaneously is sequentially connected with second driving device 3, and 5 lower end of the crawler attachment
Level height be higher than 11 lower end of main wheel level height, second driving device 3 is to drive the crawler attachment 5
Front end be moved downward to its lower end and stretch out the lower section of the main wheel 11, or be moved upward to reset.
The working principle of wheel-track combined wheelchair of the present invention are as follows:
When needing to cross over groove, the main wheel is fallen into groove, and the first driving device 2 drives two accessory whorls 4
Move downward simultaneously that the ground face contact with groove rear, the first driving device 2 drive two again respectively to two accessory whorls 4
A accessory whorl 4 moves down, while second driving device 3 drives the front end of two creepers undercarriage 52 downward
It rotates synchronously to after the ground face contact in front of the groove, second driving device 3 drives the crawler attachment 5 to turn downwards
Dynamic, the wheelchair body 1 and is jacked up upwards by the reaction force of two accessory whorls 4 and the crawler attachment 5, so that two
The level height of a 11 lower end of the main wheel is higher than the level height of the groove notch, and the track driving mechanism 51 drives it
Crawler travel simultaneously drives two accessory whorls 4 to move, until two accessory whorls 4 are located at close to the rear of the groove, two institutes
Main wheel 11 and ground face contact are stated, the first driving device 2 drives two accessory whorls 4 to synchronize and moves up, and described second drives
Dynamic device 3 drives 5 front end of crawler attachment to be rotated up, and completes the leap of groove；
When needing upward stair climbing, the rear of the wheelchair is adjusted towards stair, the first driving device 2 drives two
The accessory whorl 4 move downward simultaneously to ground face contact, second driving device 3 drive the front end of the crawler attachment 5 to
Under synchronize and turn to and ground face contact, and height of the level height of 5 rear end of the crawler attachment with the second layer step of stair
Degree is consistent, and the track driving mechanism 51 drives the wheelchair to be moved to close to stair, the rear end of the crawler attachment 5 and stair
The contact of second layer step, the first driving device 2 drives two accessory whorls 4 to synchronize and is moved upward to reset, the shoe
Band 5 rear end of device is contacted with stair, and the track driving mechanism 51 drives 1 stairs of wheelchair body, until the crawler belt
When being located on the last layer step in the middle part of device 5, the first driving device 2 drives and is moved downward under two accessory whorls 4
Horizontal face contact where with the last layer step, the crawler attachment 5 continues to drive 1 stair climbing of wheelchair body, described
Height where 1 lower end of wheelchair body and the last layer step between level is gradually increased, the driving of first driving device 2 two
It is moved down under a accessory whorl 4 to remain two accessory whorls 4 and ground face contact, until the front end of the crawler attachment 5
It is contacted with the last layer step, the first driving device 2 drives two accessory whorls 4 to move up, while described second drives
Dynamic device 3 drives 5 front end of crawler attachment to be rotated up, and two main wheels 11 and ground face contact are completed to go upstairs；
The movement gone downstairs is opposite with the movement that wheelchair body 1 is gone upstairs.
Wheel-track combined wheelchair of the present invention can realize that 1 level land of wheelchair body is mobile, across groove and up and down
The function of stair, stable structure are reliable.
Preferably, the first driving device 2 includes the first driving mechanism 21 and two rotation components 22, two pendulum
Turn component 22 and is spaced and is symmetrically installed on 1 lower end of wheelchair body, the wheel shaft difference of two accessory whorls 4 in left-right direction
It being connected and fixed with two rotation components 22, first driving mechanism 21 and two rotation components 22 are sequentially connected,
First driving mechanism 21 is mounted on 1 lower end of wheelchair body, to drive two rotation components 22 to drive two
A accessory whorl 4, which synchronizes, to be moved up and down.
First driving mechanism 21 drives two rotation components 22 that two accessory whorls 4 is driven to synchronize and moves down
It is dynamic, it is moved up and down to realize that described two accessory whorls 4 synchronize, stable structure is reliable.
Preferably, each rotation component 22 respectively includes rack gear 221, first gear 222, the first flexible electric cylinders 223
With fixed link 224, the rack gear 221 is horizontal along the longitudinal direction respectively and is slidably mounted on the lower end of the wheelchair body 1,
The first gear 222 is sequentially connected with first driving mechanism 21, and engages with the rack gear 221, and described first is flexible
Electric cylinders 223 have the telescopic rod of outer cylinder and setting in the outer cylinder, and the outer cylinder of the first flexible electric cylinders 223 is rotatably installed in
The lower end of the wheelchair body 1, and be located at the rack gear 221 front, first flexible 223 telescopic end of electric cylinders downward, two
The wheel shaft of a accessory whorl 4 is respectively and fixedly installed to the telescopic end of two first flexible electric cylinders 223, the fixed link 224
One end connect with the rear end thereof of the rack gear 221, the middle part of the other end and the described first flexible 223 outer cylinder of electric cylinders rotates
Connection, first driving mechanism 21 can drive the synchronous positive and negative rotation of two first gears 222, to drive two teeth
Item 221, which synchronizes, to slide back and forth.
First driving mechanism 21 drives two first gears 222 to realize that two accessory whorls 4 synchronize and moves down
Dynamic, structure is reliable；Two first flexible electric cylinders 223 can drive two accessory whorls 4 to move away from or close to the wheelchair
The lower end of ontology 1 guarantees that accessory whorl 4 can be with ground face contact to guarantee the range that the accessory whorl 4 moves up and down.
Wherein, first driving mechanism 21 includes first motor 211, the first connecting shaft 212, the second connecting shaft 213 and two
Second gear 214, first connecting shaft 212 and second connecting shaft 213 are horizontal in left-right direction respectively and rotatably install
In the lower end of the wheelchair body 1, two first gears 222 are coaxially fixedly mounted on respectively on first connecting shaft 212,
The first motor 211 is mounted on the lower end of the wheelchair body 1, and its drive shaft horizontal distribution in left-right direction, two institutes
It states second gear 214 to be coaxially fixedly mounted on respectively on first connecting shaft 212 and second connecting shaft 213, and the two is mutual
Engagement.
First driving assembly 211 drives second connecting shaft 213 to drive two second gears 214 are synchronous to turn
It is dynamic, so that first connecting shaft 212 be driven to drive the synchronous active positive and negative rotation of two first gears 222, and drive two institutes
The upper end front and back synchronous slide that rack gear 221 drives the fixed link 224 is stated, to drive stretching for the described first flexible electric cylinders 223
Contracting end drives two accessory whorls 4 to synchronize and moves up and down.
First driving mechanism 21 is using the first connecting shaft 212, the second connecting shaft 213 and two drivings of second gear 214 two
A first gear 222 rotates synchronously, and is moved forward and backward so that the upper end of two fixed links 224 of driving is synchronous, transmission is steady
Fixed, noise is small.
Preferably, second driving device 3 includes connecting plate and two the second flexible electric cylinders 31, the crawler attachment 5
Rear end connect by the connecting plate with the rear end thereof of 1 lower end of wheelchair body, the second flexible electric cylinders 31 have outer cylinder
And telescopic rod, the outer cylinder of two second flexible electric cylinders 31 is rotatablely connected with the lower end of the wheelchair body 1 respectively, and the two
Bilateral symmetry is distributed, the telescopic rod of two second flexible electric cylinders 31 respectively forward diagonally downward and with the crawler attachment
5 front end rotation connection, the telescopic rod of two second flexible electric cylinders 31 can synchronize elongation to drive the crawler attachment 5
Front end rotates down, or synchronous shortening is to drive the front end of the crawler attachment 5 to be rotated up.
Two second flexible electric cylinders 31 are synchronous to be extended to drive the front end of the crawler attachment 5 to rotate down, or same
Step shortens to drive the front end of the crawler attachment 5 to be rotated up, to realize that 5 front end of crawler attachment rotates upwardly and downwardly, structure
It is simple and reliable.
Preferably, the crawler attachment 5 includes creeper undercarriage 52, two of 51, two bar shapeds of track driving mechanism
The connector 53 of bar shaped and two groove bodies 54, two groove bodies 54 are horizontally fixed on the wheelchair body along the longitudinal direction respectively
1 lower end, and the notch of the two is downward, two creepers undercarriage 52 are horizontally arranged at correspondence along the longitudinal direction respectively
In the groove body 54, and two 52 lower ends of creeper undercarriage are stretched out respectively below corresponding 54 notch of groove body, and two
The connector 53 is horizontally set in left-right direction respectively between the front-end and back-end of described two groove bodies 54, Mei Gesuo
It states outer wall of the left and right ends of connector 53 respectively with two groove bodies 54 to be connected and fixed, the track driving mechanism 51 is installed
It is sequentially connected on the connector 53, and respectively with two creepers undercarriage 52, the connector being located behind
53 are rotatablely connected by the lower end of the connecting plate and the wheelchair body 1, the telescopic end difference of two the second flexible electric cylinders 31
It is sequentially connected with the connector 53 for being located at 54 front of groove body.
Second driving device 3 is realized described in two by the connector 53 that driving is located at 54 front of groove body
The front end of creeper undercarriage 52 is swung down to and ground face contact, or is rotated up to reset, the front end of the crawler attachment 5
When rotating upwardly and downwardly, the center of gravity for influencing wheelchair body is avoided, to guarantee wheelchair in stair climbing and stability when going downstairs.
Each creeper undercarriage 52 respectively includes the track assembly 521 of two bar shapeds, two track assemblies
521 are arranged at intervals on along the longitudinal direction respectively in the corresponding groove body 54, and the track driving mechanism 51 includes that two drivings are single
Member 511, two driving units 511 are separately mounted on two connectors 53, and are located at 54 front end of groove body
The driving unit 511 is sequentially connected with two track assemblies 521 for being located at front end, the institute positioned at 54 rear end of groove body
Driving unit 511 is stated to be sequentially connected with two track assemblies 521 for being located at rear end.
The track assembly 521 of two of the creeper undercarriage 52 improves the stability of the wheelchair stair activity.
As shown in fig. 7, each track assembly 521 respectively include crawler belt 5211, driving wheel 5212, driven wheel 5213,
Cross bar 5214 and multiple idler wheels 5215,5212 periphery of driving wheel be equipped with it is multiple along its circumferentially-spaced equally distributed flank profil,
The driving wheel 5212 and the driven wheel 5213 are vertically arranged, and the two time interval is distributed, and the crawler belt 5211 is by more
A creeper tread being hinged is formed, and the crawler belt 5211 is set on the driving wheel 5212 and the driven wheel 5213, and
The flank profil protrudes between the two neighboring creeper tread, and the cross bar 5214 is horizontally set on the corresponding master along the longitudinal direction
Between driving wheel 5212 and the driven wheel 5213, front-end and back-end pass through respectively spring and the driving wheel 5212 and it is described from
The middle part of driving wheel 5213 is connected and fixed, and multiple idler wheels 5215 are fixedly mounted on the cross bar 5214 by spring respectively,
And it is located at the lower section of the cross bar 5214, and multiple idler wheels are spaced apart along the longitudinal direction respectively, multiple idler wheels point
Not with the interior side contacts of the crawler belt 5211, the driving wheel of the driving unit 511 and corresponding two track assemblies 521
5212 transmission connections.
The corresponding driving wheel 5212 of the driving of driving unit 511 rotates, and drives the crawler belt 5211 in the master
Moved between driving wheel 5212 and the driven wheel 5213, the cross bar 5214 by spring and the driving wheel 5212 and it is described from
The middle part of driving wheel 5213 is connected and fixed, and multiple idler wheels 5215 are mounted on the cross bar 5214 by spring respectively, improves institute
The damping performance for stating track assembly 521 improves the comfort level of the wheelchair.
The driving unit 511 includes the second motor 5111, first connecting rod 5112, second connecting rod 5113 and two third teeth
Wheel 5114, the connector 53 is the box body structure of cuboid, and its open at both ends, two second motors 5111 are distinguished
It is mounted in the corresponding connector 53, and its drive shaft horizontal distribution in left-right direction, the first connecting rod 5112 is along left and right
Direction is horizontally set in the connector 53, and the drive shaft of one end and second motor 5111 is sequentially connected, the other end
It is rotatablely connected with 53 inner wall of connector, the second connecting rod 5113 is horizontally set on the connector 53 in left-right direction
Outside, the both ends of the second connecting rod 5113 extend respectively to across two groove bodies 54 and are rotatablely connected with it, and each institute
It states 5113 both ends of second connecting rod to be connected and fixed with the middle part of corresponding two driving wheels 5212 respectively, one of them described
Three gears 5114 are coaxially fixedly mounted on the first connecting rod 5112, another described third gear 5114 is coaxially fixedly mounted
On the second connecting rod 5113 and protrude into the connector 53 and be mounted on the first connecting rod 5112 described
The engagement of three gears 5114.
Second motor 5111 drives the first connecting rod 5112 to rotate, to pass through two 5114 bands of third gear
It moves the second connecting rod 5113 to rotate, so that corresponding two driving wheels 5212 be driven to rotate, realizes corresponding two
The walking of the track assembly 521,511 stable transmission of driving unit are steady reliable.
Preferably, the wheelchair body 1 further includes the backrest 14 of seat board 13 and U-shaped, and the seat board 13 is along the longitudinal direction
Horizontally disposed, the backrest 14 is vertically provided at 13 rear end of seat board and its is opening down, the both ends of 14 lower end of backrest
The rear end of the seat board 13 is mounted on by third driving mechanism 15, the third driving mechanism 15 is to drive the backrest 14
Front and back overturning.
The backrest 14 can front and back overturning to adjust its angle between the seat board 13, improve the comfortable of the wheelchair
Degree.
The third driving mechanism 15 includes third motor 151, first connecting rod 152, the second connecting rod 153 and two the
Four gears 154, the third motor 151 are mounted on 13 lower end of seat board, and its drive shaft horizontal distribution in left-right direction, institute
The horizontal distribution in left-right direction of first connecting rod 152 is stated, one end and the drive shaft of the third motor 151 are sequentially connected,
The lower end of the other end and the seat board 13 is rotatablely connected, and second connecting rod 153 is horizontally set on the seat in left-right direction
The lower end of plate 13, and be located at the first connecting rod 152 rear, the both ends of second connecting rod 153 respectively with the seat
The left and right sides of 13 lower end of plate is rotatablely connected, and two the 4th gears 154 are coaxially fixedly mounted on first connection respectively
On bar 152 and second connecting rod 153, and the two is intermeshed, and institute is run through at the both ends of 14 lower end of backrest up and down respectively
Seat board 13 is stated, and is connected and fixed respectively with second connecting rod 153.
The third motor 151 drives the first connecting rod 152 to drive two the 4th gear 154 rotations, to drive
It moves before and after second connecting rod 153 drives the backrest 14 and overturns, stable transmission.
Preferably, the main wheel driving device 12 includes the 4th driving mechanism 121 and two transmission mechanisms 122, the seat
Plate 13 is rectangle, and two transmission mechanisms 122 are symmetrically mounted on the left and right sides of the seat board 13, two main wheels 11
It is separately mounted to the driving end of the ipsilateral transmission mechanism 122, the 4th driving mechanism 121 is mounted under the seat board 13
End, the driving end of the 4th driving mechanism 121 is sequentially connected with two transmission mechanisms 122, and can drive described in two
Transmission mechanism 122 drives two main wheels 11 to rotate synchronously.
4th driving mechanism 121 drives two main wheels 11 to rotate synchronously by two transmission mechanisms 122,
Improve the stability of the main wheel driving device 12.
Preferably, the transmission mechanism 122 includes belt 1221 and three belt pulleys 1222, three belt pulleys 1222
It is rotatably installed in the side of the seat board 13 respectively, and three belt pulleys 1222 are enclosed a triangle, the skin
Band 1221 is set on corresponding three belt pulleys 1222, and the wheel shaft of two main wheels 11 is coaxially fixedly mounted on together respectively
On the belt pulley 1222 of one of side, remaining two institutes in the 4th driving mechanism 121 and two transmission mechanisms 122
One of them the described belt pulley 1222 stated in belt pulley 1222 is sequentially connected.
The triangular structure that three belt pulleys 1222 enclose is stablized, and the stability of the wheelchair body 1, the master are improved
Wheel drive unit 12 drives two main wheels 11 to rotate by belt 1221 and the belt pulley 1222, stable drive.
Belt pulley 1222 described in two groups is symmetrical in the left and right sides of the seat board 13, the 4th driving mechanism 121
Including the 4th motor 1211, the first transmission shaft 1212, second driving shaft 1213 and two the 5th gears 1214, the 4th motor
1211 are mounted on the lower end of the seat board 13, and its drive shaft horizontal distribution in left-right direction, first transmission shaft 1212
The drive shaft of horizontal distribution in left-right direction, one end and the 4th motor 1211 is sequentially connected, the other end and the seat board
13 lower end is connected by bearing engaged therewith, and the second driving shaft 1213 is horizontally disposed in left-right direction, both ends point
Not by connecting with the bearing that it is rotatably assorted with two extensions, two the 5th gears 1214 are coaxial fixed respectively
It is mounted on first transmission shaft 1212 and the second driving shaft 1213, and the two is intermeshed.
4th motor 1211 drives corresponding two belt pulleys 1222 by two the 5th gears 1214
It rotates, belt pulley 1222 described in two groups of drive rotates, stable transmission.
Preferably, the wheelchair body 1 further includes desktop component 16, and the desktop component 16 includes shell 161, shaft
162 and desktop 163, the shell 161 is the rectangular groove body of inner hollow and upper end opening, and the shell 161 is along the longitudinal direction
It is mounted vertically in the right side of the seat board 13, before the shaft 162 is horizontally set on 161 upper end of shell along the longitudinal direction
Side, and 162 rear end of the shaft can front and back rotate the front end for being mounted on 161 upper end of shell, the desktop 163 along left and right
Direction is horizontally set on 1 front of wheelchair body, and the right end of the desktop 163 and the front end of the shaft 162 are connected and fixed.
When without using the desktop 163, the desktop 163 rotates 90 ° to the shaft 162 relative to the shaft 162
Top and in a vertical state, desktop 163 described in outer power drive drives the shaft 162 to turn over 180 °, and described in passing through
Inside the open storage to the shell 161 of 161 upper end of shell, need using when the desktop 163 when, 162 band of shaft
It moves the desktop 163 and overturns 180 ° of tops for being vertically distributed in the shaft 162 along the longitudinal direction to the desktop 163 forward,
External force overturns the desktop 163 and turns left 90 ° to horizontal.
To guarantee to keep horizontality, hinge and institute of the desktop 163 using limiting rotating angle after desktop 163 is unfolded
State the rotation connection of shaft 162.
The desktop 163 includes the first desktop 1631 of bar shaped and the second desk board 1632 of bar shaped, first desktop
1631 and the second desk board 1632 be spaced apart in left-right direction, first desktop 1631 and the second desk board 1632 are adopted
It is rotatablely connected with the hinge that rotational angle is 170 °, and is rotatablely connected with the front end of the shaft 162.
First desktop 1631 may be reversed to Chong Die with the second desk board 1632, by 1631 He of the first desktop
In the storage to the shell 161 of second desk board 1632, first desktop 1631 and the second desk board 1632 increase table
The usable floor area in face.
161 upper end of shell is additionally provided with flip lid that is openable or closing the upper end opening.
Preferably, the wheelchair body 1 further includes two foot pedal components 17, and each foot pedal component 17 wraps respectively
Foot pedal 171, pedal connecting rod 172 and mounting post 173 are included, two mounting posts 173 are vertical respectively and are left and right symmetrically arranged
The left and right sides of 13 upper end of seat board, one end of two pedal connecting rods 172 are upper with the corresponding mounting post 173 respectively
End rotation connection, the other end of two pedal connecting rods 172 extend obliquely downward forward respectively, two foot pedals 171
It is separately mounted to correspond to the lower end of the pedal connecting rod 172.
The foot pedal 171 can horizontally rotate according to the needs of users, improve the comfort level of the foot pedal component 17.
Tubular slot is equipped in 173 upper end of mounting post, the upper end of the pedal connecting rod 172 extends downwardly and stretches
Enter in the slot, and can relatively described 173 left-right rotation of mounting post, the front end of the mounting post 173 is equipped with horizontal plate body,
The upper surface of the plate body is equipped with arc groove, is equipped with the L-shaped body of rod, the L-shaped body of rod on rear side of 172 upper end of pedal connecting rod
One end far from the pedal connecting rod 172 is protruded into the corresponding arc groove, and can be slid along in the arc groove.
The pedal connecting rod 172 is flexible electric cylinders, the upper end rotation of one end of the flexible electric cylinders and the mounting post 173
Connection, the foot pedal 171 are mounted on the telescopic end of the pedal connecting rod 172.
The pedal connecting rod 172 is scalable and adjusts the height of the foot pedal 171, improves the foot pedal component 17
Comfort level.
Two foot pedals 171 are rotatablely connected with the lower end of the corresponding pedal connecting rod 172 respectively, without using described
When pedal connecting rod 172, two foot pedals 171 can be flipped up to the corresponding pedal connecting rod 172 respectively and fold, and avoid occupying
Space.
The wheelchair body 1 further includes sunshade 18, and the sunshade 18 includes round bar 181, parasols and locking
Component 182, the round bar 181 is horizontal to be horizontally arranged at the 14 rear side upper end of backrest in left-right direction, in the round bar 181
Portion is equipped with fixed part, and the fixed part is equipped with runs through itself and the cavity to accommodate the parasols umbrella handle, the screening up and down
Sunshade umbrella handle is arranged in cavity, and the locking assembly 182 is mounted in the fixation, and for locking the parasols umbrella handle
On the fixed part.
The sunshade avoids hand-held parasols, using more convenient.
The locking assembly is bolt, and the fixed part is equipped with the horizontal screw thread through it and with cavity perforation
Hole, the bolt are locked in threaded hole, tighten the bolt, the one end of the bolt far from its head and the umbrella handle phase
It supports, the parasols is locked on the fixed part.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention；But it is all
Those skilled in the art without departing from the scope of the present invention, are done using disclosed above technology contents
The equivalent variations of a little variation, modification and evolution out is equivalent embodiment of the invention；Meanwhile it is all according to the present invention
The variation, modification and evolution etc. of substantial technological any equivalent variations to the above embodiments, still fall within skill of the invention
Within the protection scope of art scheme.
Claims (10)
1. a kind of wheel-track combined wheelchair, including wheelchair body (1), wheelchair body (1) tool is there are two main wheel (11) and uses
To drive the main wheel driving device (12) of two main wheels (11) rotations, the wheel shaft of two main wheels (11) respectively with it is described
Middle part rotation connection at left and right sides of wheelchair body (1), which is characterized in that further include first driving device (2), crawler attachment
(5) and two accessory whorls (4), the first driving device (2) are mounted on the wheelchair body (1) lower end, the first driving dress
Set (2) tool there are two bilateral symmetry distribution driving end, the wheel shaft of two accessory whorls (4) respectively with the first driving device
(2) two driving ends rotation connection, and two accessory whorls (4) are respectively positioned on the rear of described two main wheels (11), two
The level height of a accessory whorl (4) lower end is above the level height of the main wheel (11) lower end, the first driving device
(2) lower sections of the main wheel (11) is stretched out to drive two accessory whorls (4) to move downward simultaneously to the lower end of the two, or
It is moved upward to reset, the crawler attachment (5) has the track driving mechanism (51) for driving the rotation of its crawler belt, and the crawler belt
Device (5) by the second driving device (3) is horizontally set on the lower end of the wheelchair body (1) and along the longitudinal direction with described the
Two driving devices (3) transmission connection, and the level height of the crawler attachment (5) lower end is higher than the water of the main wheel (11) lower end
Flat height, second driving device (3) stretch out institute to drive the front end of the crawler attachment (5) to be moved downward to its lower end
The lower section of main wheel (11) is stated, or is moved upward to reset.
2. wheel-track combined wheelchair according to claim 1, which is characterized in that the first driving device (2) includes the
One driving mechanism (21) and two rotation components (22), two rotation components (22) are spaced in left-right direction and symmetrical peace
Mounted in the wheelchair body (1) lower end, the wheel shaft of two accessory whorls (4) connect with two rotation components (22) solid respectively
Fixed, first driving mechanism (21) is sequentially connected with two rotation components (22), the first driving mechanism (21) peace
Mounted in the wheelchair body (1) lower end, to drive two rotation components (22) to drive two accessory whorls (4) synchronous
It moves up and down.
3. wheel-track combined wheelchair according to claim 2, which is characterized in that each rotation component (22) is wrapped respectively
Include rack gear (221), first gear (222), the first flexible electric cylinders (223) and fixed link (224), the rack gear (221) edge respectively
Front-rear direction is horizontal and is slidably mounted on the lower end of the wheelchair body (1), the first gear (222) and described first
Driving mechanism (21) transmission connection, and engaged with the rack gear (221), the first flexible electric cylinders (223) have outer cylinder and set
Telescopic rod in the outer cylinder is set, the outer cylinder of the first flexible electric cylinders (223) is rotatably installed in the wheelchair body (1)
Lower end, and be located at the rack gear (221) front, first flexible electric cylinders (223) telescopic end downward, two accessory whorls
(4) wheel shaft is respectively and fixedly installed to the telescopic end of two first flexible electric cylinders (223), and the one of the fixed link (224)
End is connect with the rear end thereof of the rack gear (221), and the middle part of the other end and the described first flexible electric cylinders (223) outer cylinder rotates
Connection, first driving mechanism (21) can drive the synchronous positive and negative rotation of two first gears (222), to drive two institutes
It states rack gear (221) and synchronizes and slide back and forth.
4. wheel-track combined wheelchair according to claim 1-3, which is characterized in that second driving device
(3) include connecting plate and two the second flexible electric cylinders (31), the rear end of the crawler attachment (5) by the connecting plate with it is described
The rear end thereof of wheelchair body (1) lower end connects, and the second flexible electric cylinders (31) have outer cylinder and telescopic rod, and two described second are stretched
The outer cylinder of contracting electric cylinders (31) is rotatablely connected with the lower end of the wheelchair body (1) respectively, and the two bilateral symmetry is distributed, two institutes
The telescopic rod for stating the second flexible electric cylinders (31) connects diagonally downward and with the rotation of the front end of the crawler attachment (5) forward respectively
It connects, the telescopic rod of two second flexible electric cylinders (31) can synchronize elongation to drive the front end of the crawler attachment (5) downward
Rotation, or synchronous shortening is to drive the front end of the crawler attachment (5) to be rotated up.
5. wheel-track combined wheelchair according to claim 4, which is characterized in that the crawler attachment (5) includes that crawler belt drives
Motivation structure (51), the creeper undercarriage (52) of two bar shapeds, the connector (53) of two bar shapeds and two groove bodies (54), two
The groove body (54) is horizontally fixed on the lower end of the wheelchair body (1) along the longitudinal direction respectively, and the notch of the two is downward,
Two creepers undercarriage (52) are horizontally arranged at along the longitudinal direction respectively in the corresponding groove body (54), and described in two
Creeper undercarriage (52) lower end is stretched out respectively below corresponding groove body (54) notch, two connectors (53) edge respectively
Left and right directions is horizontally set between the front-end and back-end of described two groove bodies (54), a left side for each connector (53)
Outer wall of the right both ends respectively with two groove bodies (54) is connected and fixed, and the track driving mechanism (51) is mounted on the connection
It on part (53), and is sequentially connected respectively with two creepers undercarriage (52), the connector (53) being located behind is logical
The lower end for crossing the connecting plate and the wheelchair body (1) is rotatablely connected, the telescopic end difference of two the second flexible electric cylinders (31)
It is sequentially connected with the connector (53) being located in front of the groove body (54).
6. wheel-track combined wheelchair according to claim 1, which is characterized in that the wheelchair body (1) further includes seat board
(13) and the backrest of U-shaped (14), the seat board (13) are to be horizontally disposed with along the longitudinal direction, and the backrest (14) is vertically provided at institute
It states seat board (13) rear end and its is opening down, the both ends of backrest (14) lower end are mounted on institute by third driving mechanism (15)
The rear end of seat board (13) is stated, the third driving mechanism (15) is to drive the overturning of the backrest (14) front and back.
7. wheel-track combined wheelchair according to claim 6, which is characterized in that the main wheel driving device (12) includes the
Four driving mechanisms (121) and two transmission mechanisms (122), the seat board (13) are rectangle, two transmission mechanisms (122)
It is symmetrically mounted on the left and right sides of the seat board (13), two main wheels (11) are separately mounted to the ipsilateral transmission mechanism
(122) driving end, the 4th driving mechanism (121) are mounted on the seat board (13) lower end, the 4th driving mechanism
(121) driving end is sequentially connected with two transmission mechanisms (122), and can drive two transmission mechanism (122) bands
Dynamic two main wheels (11) rotate synchronously.
8. wheel-track combined wheelchair according to claim 7, which is characterized in that the transmission mechanism (122) includes belt
(1221) and three belt pulleys (1222), three belt pulleys (1222) are rotatably installed in the one of the seat board (13) respectively
Side, and three belt pulleys (1222) are enclosed a triangle, the belt (1221), which is set in, to be corresponded to described in three
On belt pulley (1222), the wheel shaft of two main wheels (11) is coaxially fixedly mounted on an ipsilateral belt pulley respectively
(1222) on, the 4th driving mechanism (121) and two belt pulleys remaining in two transmission components (122)
(1222) one of them described belt pulley (1222) transmission connection in.
9. wheel-track combined wheelchair according to claim 6, which is characterized in that the wheelchair body (1) further includes desktop
Component (16), the desktop component (16) include shell (161), shaft (162) and desktop (163), and the shell (161) is interior
The rectangular groove body that portion is hollow and upper end is open, the shell (161) are mounted vertically in the right side of the seat board (13) along the longitudinal direction
Side, the shaft (162) are horizontally set on the front of the shell (161) upper end along the longitudinal direction, and after the shaft (162)
End can the front end for being mounted on the shell (161) upper end that rotates of front and back, the desktop (163) is horizontally set in left-right direction
In front of the wheelchair body (1), the right end of the desktop (163) and the front end of the shaft (162) are connected and fixed.
10. wheel-track combined wheelchair according to claim 9, which is characterized in that the wheelchair body (1) further includes two
Foot pedal component (17), each foot pedal component (17) respectively include foot pedal (171), pedal connecting rod (172) and installation
Column (173), two mounting posts (173) are vertical respectively and are left and right symmetrically arranged in the left and right two of the seat board (13) upper end
Side, one end of two pedal connecting rods (172) are rotatablely connected with the upper end of the corresponding mounting post (173) respectively, two institutes
The other end for stating pedal connecting rod (172) extends obliquely downward forward respectively, and two foot pedals (171) are separately mounted to correspond to
The lower end of the pedal connecting rod (172).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910728445.4A CN110478148B (en) | 2019-08-08 | Wheel-track combined wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910728445.4A CN110478148B (en) | 2019-08-08 | Wheel-track combined wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110478148A true CN110478148A (en) | 2019-11-22 |
| CN110478148B CN110478148B (en) | 2024-07-16 |
Family
ID=
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| CN111839920A (en) * | 2020-07-22 | 2020-10-30 | 燕山大学 | Crawler-type stair climbing robot with auxiliary grapple |
| CN113116648A (en) * | 2021-04-13 | 2021-07-16 | 聊城大学 | Bradyseism is climbed building and is walked over barrier device and wheelchair |
| CN114176926A (en) * | 2022-01-05 | 2022-03-15 | 浙江工业大学 | Multi-scene wheel-track composite electric wheelchair |
| US11452649B2 (en) * | 2017-12-19 | 2022-09-27 | Permobil Ab | Leg rest release mechanism and wheelchair comprising the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114176926B (en) * | 2022-01-05 | 2024-02-02 | 浙江工业大学 | Multi-scene wheel-track composite electric wheelchair |
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