CN106074028A - Foldable electric wheeled chair - Google Patents
Foldable electric wheeled chair Download PDFInfo
- Publication number
- CN106074028A CN106074028A CN201610540249.0A CN201610540249A CN106074028A CN 106074028 A CN106074028 A CN 106074028A CN 201610540249 A CN201610540249 A CN 201610540249A CN 106074028 A CN106074028 A CN 106074028A
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- China
- Prior art keywords
- connecting rod
- hinged
- bar
- main car
- wheel
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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
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
-
- 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
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
-
- 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
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/34—Specific positions of the patient sitting
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
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- 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
nullThe invention discloses a kind of foldable electric wheeled chair，Including electric pushrod，The lower end leaning against support is positioned on the downside of seat，It is fixed with seat link on the downside of described seat，Main car frame connecting rod it is provided with on the downside of described seat link，Described seat link and main car frame connecting rod are all arranged along direction before and after electric wheelchair，The rear end of described seat link is hinged with the middle part leaning against support，Front-wheel is fixed on front-wheel and fixes bar lower end，Described trailing wheel is fixed on the trailing wheel arranged along electric wheelchair fore-and-aft direction and fixes rod rear end，Described seat link front end and front-wheel fix the upper end thereof of bar，The front end of described main car frame connecting rod is hinged with the middle part that front-wheel fixes bar，Described trailing wheel fixes the front end of bar and front-wheel, and to fix bar hinged，It is hinged with described main car frame rod rear end that described trailing wheel fixes rod rear end，The upper end of described electric pushrod is hinged with seat link fixing，The lower end of described electric pushrod is fixed with main car frame rod hinge connection.
Description
Technical field
The present invention relates to a kind of electric wheelchair, be specifically related to a kind of folding electric wheelchair.
Background technology
Existing electric wheelchair is deposited for convenience and carries, and typically can fold, but the folding of electric wheelchair needs
People do it yourself, and for the elderly and the disabled, the folding of electric wheelchair is to be difficult to accomplish, need other people help
Electric wheelchair can be folded, cumbersome inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of can auto-folder, the foldable electric wheeled chair of stretching, extension.
For achieving the above object, the present invention adopts the following technical scheme that a kind of foldable electric wheeled chair, including seat, the back of the body
By support, front-wheel, trailing wheel and electric pushrod, described in lean against the lower end of support and be positioned on the downside of seat, be fixed with on the downside of described seat
Seat link, is provided with main car frame connecting rod, described seat link and main car frame connecting rod all along electric wheelchair on the downside of described seat link
Before and after direction arrange, the rear end of described seat link is hinged with the middle part leaning against support, and described front-wheel is fixed on front-wheel and fixes
Bar lower end, described trailing wheel is fixed on the trailing wheel arranged along electric wheelchair fore-and-aft direction and fixes rod rear end, described seat link front end
With the upper end thereof that front-wheel fixes bar, the front end of described main car frame connecting rod is hinged with the middle part that front-wheel fixes bar, and described trailing wheel is solid
It is hinged that the front end of fixed pole and front-wheel fix bar, and it is hinged with described main car frame rod rear end that described trailing wheel fixes rod rear end, described electricity
The upper end of dynamic push rod is hinged with seat link fixing, and the lower end of described electric pushrod is fixed with main car frame rod hinge connection, described after
The position of rod rear end is fixed in the position of the fixing bar front end of wheel higher than trailing wheel, and the position of described electric pushrod upper end is located relatively at electronic
The front side of the position of push rod lower end.
The present invention is by controlling the flexible folding carrying out electric wheelchair of the present invention or the stretching, extension of electric pushrod, it is not necessary to use
Person manually carries out the folding of electric wheelchair, time saving and energy saving, convenient and swift.Owing to electric wheelchair is located in ground, due to
Drive the motor of trailing wheel, the power supply powered for motor and the setting leaned against, the trailing wheel part stress relatively front-wheel part of electric wheelchair
Stress is relatively big, and the present invention selects trailing wheel to be the deformation of strong point folding extension；The present invention becomes folded state from normal operating condition
Time, control electric pushrod of the present invention overhanging, owing to trailing wheel is relatively-stationary with ground, seat link can move forward and gradually
Near main car frame connecting rod, owing to trailing wheel fixes bar not with to lean against support hinged, seat link can drive and lean against support and overturn forward,
And make the upper end leaning against support move closer to seat link, it is hinged with seat link front end for fixing the front end of bar due to trailing wheel
, seat link can drive trailing wheel to fix bar front end and downwardly turn over, thus carries out the folding of the present invention, and by electric pushrod
Self-locking keeps the state that the present invention folds；The present invention, when folded state becomes normal operating condition, controls electric pushrod and inside contracts
, the present invention lean against support and seat link gradually resets, until lean against the lower support of support after trailing wheel fixes bar
On end (lower end), i.e. complete the stretching, extension of the present invention, and kept the normal operating condition of the present invention by the self-locking of electric pushrod.Its
In, when the present invention is folded state, the present invention can be laterally disposed on the ground, after the present invention can pass through by front wheels and rear wheels
Take turns and lean against pedestal lower end and be vertically placed on ground；When need to move the present invention, pull the present invention by leaning against the pushing hands on support
Electric wheelchair.Wherein, can make electric pushrod drives the motor of rear wheel to share one for Denso with making electric wheelchair
Put.
As preferably, described trailing wheel is fixed bar lower end and is fixed with trailing wheel connecting rod, and the described L-shaped structure of trailing wheel connecting rod also includes
Vertical part and the transverse part arranged along electric wheelchair fore-and-aft direction, the front end of described transverse part fixes with lower end, vertical part, and described trailing wheel is solid
Fixed pole is hinged with the rear end of transverse part, and described main car frame connecting rod is hinged with the middle part of trailing wheel connecting rod, when electric wheelchair normally uses,
The upper end of the vertical part of described trailing wheel connecting rod offsets with the described support that leans against.When the present invention becomes folded state from normal operating condition
Time, the upper end of trailing wheel connecting rod vertical part can be moved rearwards by with to leaning against support bottom force, it is simple to leans against frame upper and props up to lean against
Overturn forward for fulcrum in the middle part of frame, it is simple to lean against the folding of support.
As preferably, bar is fixed higher than main car frame connecting rod and front-wheel in the position of described trailing wheel connecting rod and main car frame rod hinge connection
Hinged position, it is arcuate structure that described front-wheel fixes the top of bar, and arc opening is towards on the downside of electric wheelchair, and described seat is even
Bar is fixedly arranged at the front end with hinged block, and described hinged block upper end is fixed with seat link, and described hinged block lower end is fixed with described front-wheel
Bar upper end thereof, it is hinged with described hinged block lower end that described trailing wheel fixes bar front end, and described front-wheel is fixed bar and cut with scissors with hinged block
The position that the position that connects, trailing wheel fix bar front end hinged with hinged block is identical, and described front-wheel fixes the position that bar is hinged with hinged block
Put the front side being located relatively at seat link front end.Above-mentioned setting can make the present invention after normal operating condition becomes folded state
Shared vertical direction spatial is less, and the seat link of the present invention can move forward when folding so that front-wheel fixes the upper end of bar
The hinged place fixing bar with main car frame and front-wheel moves forward for fulcrum so that front-wheel fixes the lower end of bar with main car frame and front-wheel
The hinged place of fixing bar is that fulcrum is moved rearwards by, and front-wheel can move closer to trailing wheel.Due to trailing wheel connecting rod and main car frame rod hinge connection
Position fix, with front-wheel, the position that bar is hinged higher than main car frame connecting rod, when the present invention folds, main car frame connecting rod can be forward
Mobile, the lower end of electric pushrod can move closer to trailing wheel.
As preferably, described seat link includes left seat link that left and right is oppositely arranged and right seat link, and described
Left seat link and right seat link connect fixing by several along the upper connecting rod that electric wheelchair left and right directions is arranged, described
Main car frame connecting rod includes the left main car frame connecting rod that is oppositely arranged of left and right and right main car frame connecting rod, and described left main car frame connecting rod and the right side
Main car frame connecting rod connects fixing by several along the lower connecting rod that electric wheelchair left and right directions is arranged, the one of described electric pushrod
End is hinged with a upper connecting rod fixing, and the other end of described electric pushrod and a lower connecting rod are hinged fixing.Left and right is oppositely arranged
Left seat link and the left main car frame connecting rod that is oppositely arranged of right seat link, left and right and right main car frame connecting rod, and two seats
Connecting rod connection is fixing, two main car frame connecting rods connect fixing setting and can ensure the stability of the present invention.
As preferably, the left and right sides of described seat is equipped with handrail, and described armrest rear end is with to lean against support hinged, described
Being provided with ribbed insert on the downside of handrail, the upper end of described ribbed insert is hinged with handrail, and the lower end of described ribbed insert is with seat even
Bar is hinged, and described ribbed insert upper end is located relatively at the front side of ribbed insert lower end.Handrail, ribbed insert and leaning against is configured to
One triangle, when the present invention folds, leans against support and overturns, and an edge lengths of triangle shortens (after handrail
End shortens with leaning against the support hinged place distance to ribbed insert Yu seat link hinged place), handrail front end can be with handrail
Connecting rod and seat link hinged place are that fulcrum moves down so that handrail near seat link to carry out the folding of handrail；When this
When invention is stretched, lean against support and turn over, and drive handrail to reset, ensure to lean against support by the self-locking of electric pushrod
Fixing, armrest rear end no longer changes with leaning against the support hinged place distance to ribbed insert with seat link hinged place,
The position of handrail is maintained.
As preferably, described upper connecting rod is formed with the seat pole downwardly extended, and described lower connecting rod is formed downwards
The main car frame pole extended, the upper end of described electric pushrod is hinged with described seat pole fixing, the lower end of described electric pushrod
Hinged with described main car frame pole fixing；Described main car frame pole includes several vertically arranged fixed parts and horizontally set
Supporting part, described fixed part upper end is relatively fixed with described lower connecting rod, the rear end of described supporting part and described fixed part lower end
Fixing, the lower end of described electric pushrod is hinged with described supporting part.Above-mentioned setting can make the seat link of the present invention and main car
Frame connecting rod can more closely be close together after folding, and after making the present invention fold, shared space is less.
As preferably, on the downside of described main car frame connecting rod front end, be fixed with footrest rack, described footrest rack by leg rest connecting rod with
Main car frame rod hinge connection is also formed at leg rest rod hinge connection, and described footrest rack is fixed on the lower end of leg rest connecting rod, described main car
The lever arranged along electric wheelchair left and right directions it is provided with, before described lever is positioned at described leg rest small end on the downside of frame connecting rod
Side, is positioned at the downside of described pin at described leg rest rod hinge connection.When the present invention normally uses, footrest rack can be carried by effect of weight
The upper end of dynamic leg rest connecting rod overturns forward, owing to being positioned under this lower connecting rod at the setting of lever position, leg rest rod hinge connection
Side, leg rest small end can offset with lever, and during to use the present invention is normal, the position of footrest rack keeps.The present invention from
When normal operating condition becomes folded state, the height of main car frame connecting rod front end can reduce, and footrest rack can touch with ground, and
Along with main car frame connecting rod continues to move along, the lower end of leg rest connecting rod can move forward for fulcrum at leg rest rod hinge connection, puts
Foot rest can tilt.Wherein, left main car frame connecting rod and right main car frame connecting rod that left and right is oppositely arranged connect fixing by lower connecting rod,
The lower connecting rod being positioned at front side can be used as above-mentioned lever.
As preferably, described in lean against support bottom and be fixed with several buffer spring devices, two trailing wheels are all collocated with one
Trailing wheel fixes bar, and the upper end of the trailing wheel connecting rod that two trailing wheels fix bar is connected by rear connecting rod, when electric wheelchair normally uses
Time, the upper surface of described rear connecting rod contacts with described buffer spring device；Described buffer spring device includes the first arc
Portion, the second curved portions and buffer spring, described first curved portions is hinged with the second curved portions, the upper end of described buffer spring and institute
Stating the first curved portions to fix, when electric wheelchair normally uses, described second curved portions offsets with buffer spring lower end；Described
Second curved portions fixes with the upper end, vertical part of described trailing wheel connecting rod.The setting of buffer spring device be easy to trailing wheel fix pole pair the back of the body
It is supported by support, electric wheelchair of the present invention can be avoided to lean against long-time the offseting with trailing wheel connecting rod of support in use and damage
Wound；When the second curved portions is not fixed with trailing wheel connecting rod, the first curved portions and the second curved portions need to form restriction angle with to the
The rotation of two curved portions limits, it is simple to trailing wheel small end and the second curved portions offset, and then offset with buffer spring.
As preferably, described in lean against support and be hinged with locking wrench, described trailing wheel is fixed bar and is formed and have the lock extended back
Fastener, has the buckle structure cooperated on the downside of described snap close piece and locking wrench.Above-mentioned being provided for is consolidated leaning against support
Fixed, trailing wheel connecting rod can be fixed together by the setting of locking wrench and snap close piece with leaning against support, and the present invention is from normally using shape
Locking wrench need to be separated with snap close piece when state becomes folded state, lean against the fixing of support to release.Wherein, it is possible to use its
Its mode carries out leaning against the fixing of support, such as arranges latch-up structure in the hinged place leaning against support and seat link, passes through spiral shell
Bolts etc. pin leaning against the support hinged place with seat link.Wherein, snap close piece may be provided on rear connecting rod, it is possible to is arranged on
On trailing wheel connecting rod
As preferably, it is protruding that described seat link rear end is formed with upwardly extending seat link, described in lean against support with described
The upper end thereof that seat link is protruding, described in lean against support hinged position protruding with seat link higher than described seat upper surface
Position.Above-mentioned setting is easy to lean against the upset of support so that leans against support and is positioned at the upside of seat after folding, leans against support
With seat (medicated cushion) opposing parallel setting so that vertical direction spatial shared after present invention folding is less.
The present invention has can auto-folder, the function of stretching, extension, it is not necessary to user hand foldable, more time saving and energy saving, and
After present invention folding, shared space is less.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the normal operating condition of electric wheelchair of the present invention；
A kind of structural representation when Fig. 2 is the folding of electric wheelchair of the present invention；
Fig. 3 is a kind of structural representation of the folded state of electric wheelchair of the present invention；
Fig. 4 is the another kind of structural representation of the normal operating condition of electric wheelchair of the present invention；
Another kind of structural representation when Fig. 5 is the folding of electric wheelchair of the present invention；
Fig. 6 is the another kind of structural representation of the folded state of electric wheelchair of the present invention；
Fig. 7 is the front view during normal operating condition of the electric wheelchair of the present invention；
Fig. 8 is the upward view during folded state of the electric wheelchair of the present invention.
Detailed description of the invention
Shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5, a kind of foldable electric wheeled chair of the present invention, including seat 1, lean against support 2,
Front-wheel 3, trailing wheel 4 and electric pushrod 5, the lower end leaning against support 2 is positioned on the downside of seat, is fixed with seat link 6 on the downside of seat 1,
It is provided with main car frame connecting rod 7, seat link 6 and main car frame connecting rod 7 on the downside of seat link 6 all to set along direction before and after electric wheelchair
Putting, the rear end of seat link 6 is hinged with the middle part leaning against support 2, and front-wheel 3 is fixed on front-wheel and fixes bar 8 lower end, and trailing wheel 4 is fixed
Fixing bar 9 rear end at the trailing wheel arranged along electric wheelchair fore-and-aft direction, seat link 6 front end and front-wheel fix the upper end hinge of bar 8
Connecing, the middle part that the front end of main car frame connecting rod 7 and front-wheel fix bar 8 is hinged, and trailing wheel is fixed the front end of bar 9 and fixed hinged with front-wheel 3,
It is hinged with main car frame connecting rod 7 rear end that trailing wheel fixes bar 9 rear end, and the upper end of electric pushrod 5 is hinged with seat link 6 fixing, electronic
The lower end of push rod 5 is hinged with main car frame connecting rod 7 fixing, and the position of electric pushrod 5 upper end is located relatively at electric pushrod 5 lower end
The front side of position.Trailing wheel is fixed the position of bar front end and is fixed the position of rod rear end higher than trailing wheel.
Trailing wheel is fixed bar 9 lower end and is fixed with trailing wheel connecting rod 28, and the L-shaped structure of trailing wheel connecting rod 28 also includes vertical part 12 and along electricity
The transverse part 11 that wheelchair fore-and-aft direction is arranged, the front end of transverse part 11 fixes with lower end, vertical part 12, and trailing wheel fixes bar 9 and transverse part 11
Rear end hinged, main car frame connecting rod 7 is hinged with the middle part of trailing wheel connecting rod 9.
Trailing wheel connecting rod 28 position hinged with main car frame connecting rod 7 fixes, with front-wheel, the position that bar 8 is hinged higher than main car frame connecting rod 7
Putting, it is arcuate structure 20 that front-wheel fixes the top of bar 8, and the opening of arcuate structure 20 is towards rear on the downside of electric wheelchair, and seat is even
Bar 6 is fixedly arranged at the front end with hinged block 21, and hinged block 21 upper end is fixed with seat link 6 front end, and hinged block 21 lower end is fixed with front-wheel
Bar 8 upper end thereof, it is hinged with hinged block 21 lower end that trailing wheel fixes bar 9 front end, and front-wheel fixes the position that bar 8 is hinged with hinged block 21
Put, position that trailing wheel fixes bar 9 hinged with hinged block 21 identical, front-wheel fixes the position phase para-position that bar 8 is hinged with hinged block 21
Front side in seat link 6 front end.
Shown in Fig. 7, Fig. 8, seat link 6 includes the left seat link that is oppositely arranged of left and right and right seat link, and left
Seat link and right seat link connect fixing by two upper connecting rods 13 arranged along electric wheelchair left and right directions, main car frame
Connecting rod 7 includes the left main car frame connecting rod that is oppositely arranged of left and right and right main car frame connecting rod, and left main car frame connecting rod and right main car frame are even
Bar connects fixing by two lower connecting rods 14 arranged along electric wheelchair left and right directions, and a upper connecting rod 13 is located relatively at electricity
The front side of wheelchair, another upper connecting rod 13 is located relatively at the rear side of electric wheelchair, and a lower connecting rod 14 is located relatively at electricity
The front side of wheelchair, another lower connecting rod 14 is located relatively at the rear side of electric wheelchair, one end of electric pushrod 5 be located relatively at
One upper connecting rod 13 of rear side is hinged fixing, and the other end of electric pushrod is hinged with the lower connecting rod being located relatively at rear side
Fixing.Two trailing wheels 4 are all collocated with a trailing wheel and fix bar 9, and each trailing wheel is fixed bar 9 and is collocated with a trailing wheel connecting rod 28, Mei Geqian
Wheel 3 collocation one front-wheels fix bar 8, and the upper end of the trailing wheel connecting rod 28 that two trailing wheels fix bar 9 is connected by rear connecting rod 37.
Shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 7, Fig. 8, lean against support 2 and include being positioned at leaning against of the electric wheelchair left and right sides
Support column with two are leaned against that support column is connected several lean against connecting rod 26, the connecting rod that leans against of top side is pushing hands.Seat
The left and right sides of chair 1 is equipped with handrail 10, handrail 10 rear end with lean against support to lean against support column hinged, be provided with on the downside of handrail 10
Ribbed insert 15, the upper end of ribbed insert 15 is hinged with handrail 10, and the lower end of ribbed insert 15 is hinged with seat link 6, handrail
Connecting rod 15 upper end is located relatively at the front side of ribbed insert 15 lower end.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, it is convex that seat link 6 rear end is formed with upwardly extending seat link
Rise 30 so that the L-shaped structure of seat link 6, lean against the upper end thereof of support 2 and seat link projection 30, lean against support 2 and seat
The protruding 30 hinged positions of chair connecting rod are higher than the position of seat 1 upper surface.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, the upper connecting rod 13 being positioned at rear side in two is formed
Having the seat pole 16 downwardly extended, lower connecting rod 14 is formed with the main car frame pole 17 downwardly extended, the upper end of electric pushrod 5
Hinged with seat pole 16 fixing, the lower end of electric pushrod 5 is hinged with main car frame pole 17 fixing.Main car frame pole 17 includes two
Individual vertically arranged fixed part 18 and the supporting part 19 of horizontally set, the two ends of supporting part 19 respectively with the lower end of a fixed part 18
Fixing, fixed part 18 upper end is relatively fixed with lower connecting rod 14, and the lower end of electric pushrod 5 is hinged with supporting part 19.
Being fixed with footrest rack 22 on the downside of main car frame connecting rod 7 front end, the lower connecting rod 14 being positioned at front side in two is formed with two
The individual lower connecting rod pole 24 downwardly extended, footrest rack 22 is fixed with main car frame connecting rod 7 by leg rest connecting rod 23, and leg rest is even
The middle part of bar is hinged between two lower connecting rod poles 24 and is formed at leg rest rod hinge connection 25, and footrest rack 22 is fixed on leg rest
The lower end of connecting rod 23.Being provided with the lever arranged along electric wheelchair left and right directions on the downside of main car frame connecting rod 7, lever is positioned at leg rest connecting rod
The front side of upper end, the lower connecting rod 14 being positioned at front side in two is described lever, and at leg rest rod hinge connection, 25 are positioned in two
It is positioned at the downside of the lower connecting rod 14 of front side.
The electric wheelchair of the present invention is collocated with electric supply installation 29, and electric supply installation 29 is fixed on the downside of seat 1, electric supply installation 29
Power for electric pushrod 5 and the motor for driving trailing wheel 4 to rotate.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 8, the connecting rod 26 that leans against leaning against support lower side is fixed with two bufferings
Spring assembly 27, two trailing wheels fix the upper end of the trailing wheel connecting rod 28 of bar 9 by the rear company arranged along electric wheelchair left and right directions
Extension bar 37 connects.Buffer spring device 27 includes the first curved portions the 31, second curved portions 32 and buffer spring 33, the first curved portions
31 is hinged with the second curved portions 32, and the upper end of buffer spring 33 fixes with the first curved portions 31, after the second curved portions is fixed on
In connecting rod 37；When electric wheelchair normally uses, the second curved portions 32 offsets with buffer spring 33 lower end
The connecting rod 26 that leans against leaning against support 2 is hinged with a locking wrench 34, and rear connecting rod 37 is formed with the snap close extended back
Have, on the downside of part 35, snap close piece 35 and locking wrench 34, the buckle structure cooperated.
The present invention by control electric pushrod of the present invention overhanging so that lean against support overturn forward, seat link forwards
Mobile and close main car frame connecting rod, to carry out the folding of the present invention；Inside contract by controlling electric pushrod of the present invention, with by the present invention
Electric wheelchair strut, and keep electric wheelchair normal operating condition of the present invention and folded state by the self-locking of electric pushrod
Shape.
The present invention when normal operating condition becomes folded state, need to first release the locking of snap close piece and locking wrench, with
Make to lean against the turning movement of support；When the present invention folds, electric pushrod is overhanging so that seat link promotes, bar and ground are fixed in rear end
The angle of inclination in face increases, and front-wheel gradually rear wheel moves, and the trailing wheel connecting rod that trailing wheel is fixed on bar simultaneously is turned over to the back of the body
Leaning against connecting rod force by support, turning over forward for fulcrum with the hinged place leaning against support and seat link so that leaning against support
Turn；When the hinged place of seat link Yu hinged block be positioned at front-wheel fix on front side of the hinged place of bar and main car frame connecting rod time, seat is even
Bar, the height of main car frame connecting rod decline and close to each other, when seat link and main car frame connecting rod can not move again, and electric pushrod
Stopping overhanging, the present invention realizes the deformation of folded state.After folding, lean against support and overturn forward so that leaning against and seat (medicated cushion)
Contact, by arranging the protruding height of seat link and leaning against the position of support and seat link hinged place, so that leaning against flat
Lie on the upside of seat；Owing to leaning against the movement of support, handrail front end with the hinged place of ribbed insert and seat link for fulcrum to
Side shifting under front, when leaning against support and no longer moving, handrail completes to fold；When the present invention becomes folded state, due to front-wheel
Trailing wheel moves the most backward, and front-wheel fixes the decline of bar and main car frame rod hinge connection position, footrest rack offset with ground and with put
Foot connecting rod is that fulcrum is flipped up with the hinged place of lever.When the present invention is folded state, the present invention can by front-wheel and after
Take turns laterally disposed on the ground, the present invention can be by trailing wheel with lean against pedestal lower end and be vertically placed on ground；The present invention need to be moved
Time, the electric wheelchair of the present invention is pulled by leaning against the pushing hands on support.
The present invention need to inside contract by controlling electric pushrod when folded state becomes normal operating condition, so that the present invention
Bar linkage structure resets, and turns over when leaning against support and makes the buffer spring lower end of buffer spring device and be fixed on trailing wheel connecting rod
The second curved portions on the rear connecting rod of upper end contacts, and the electric pushrod stopping of the present invention inside contracts dynamic, and user passes through snap close
The lower end leaning against support is fixed by the cooperation of spanner and snap close piece, and the present invention realizes the deformation of normal operating condition.Wherein,
The motion of electric pushrod of the present invention can be carried out by the way of controlling remote controls, convenient.
The present invention has can auto-folder, the function of stretching, extension, it is not necessary to user hand foldable, more time saving and energy saving, and
After present invention folding, shared space is less.
Claims (10)
1. a foldable electric wheeled chair, it is characterised in that include seat, lean against support, front-wheel, trailing wheel and electric pushrod, described
The lower end leaning against support is positioned on the downside of seat, is fixed with seat link, is provided with master on the downside of described seat link on the downside of described seat
Vehicle frame connecting rod, described seat link and main car frame connecting rod are all arranged along direction before and after electric wheelchair, after described seat link
Holding hinged with the middle part leaning against support, described front-wheel is fixed on front-wheel and fixes bar lower end, and described trailing wheel is fixed on along electric wheelchair
The trailing wheel that fore-and-aft direction is arranged fixes rod rear end, and described seat link front end and front-wheel fix the upper end thereof of bar, described main car
The middle part that the front end of frame connecting rod and front-wheel fix bar is hinged, and described trailing wheel fixes the front end of bar and front-wheel, and to fix bar hinged, described
It is hinged with described main car frame rod rear end that trailing wheel fixes rod rear end, and the upper end of described electric pushrod is hinged with seat link fixing,
The lower end of described electric pushrod is fixed with main car frame rod hinge connection, and described trailing wheel is fixed the position of bar front end and fixed bar higher than trailing wheel
The position of rear end, the position of described electric pushrod upper end is located relatively at the front side of the position of electric pushrod lower end.
Foldable electric wheeled chair the most according to claim 1, it is characterised in that described trailing wheel is fixed after bar lower end is fixed with
Wheel connecting rod, the described L-shaped structure of trailing wheel connecting rod also includes vertical part and the transverse part arranged along electric wheelchair fore-and-aft direction, described transverse part
Front end fix with lower end, vertical part, it is hinged with the rear end of transverse part that described trailing wheel fixes bar, and described main car frame connecting rod and trailing wheel are even
The middle part of bar is hinged, and when electric wheelchair normally uses, the upper end of the vertical part of described trailing wheel connecting rod offsets with the described support that leans against.
Foldable electric wheeled chair the most according to claim 2, it is characterised in that described trailing wheel connecting rod cuts with scissors with main car frame connecting rod
The position connect fixes, with front-wheel, the position that bar is hinged higher than main car frame connecting rod, and it is arcuate structure that described front-wheel fixes the top of bar,
Arc opening is towards on the downside of electric wheelchair, and described seat link is fixedly arranged at the front end with hinged block, and described hinged block upper end is with seat even
Bar is fixed, and described hinged block lower end and described front-wheel fix bar upper end thereof, and described trailing wheel fixes bar front end and described hinged block
Lower end is hinged, and described front-wheel fixes the bar position hinged with hinged block, trailing wheel fixes the position that bar front end is hinged with hinged block
Identical, described front-wheel is fixed the bar position hinged with hinged block and is located relatively at the front side of seat link front end.
4. according to the foldable electric wheeled chair described in claim 1 or 2 or 3, it is characterised in that described seat link includes left and right
The left seat link being oppositely arranged and right seat link, and described left seat link and right seat link by several along electronic
The upper connecting rod that wheelchair left and right directions is arranged connects fixing, and described main car frame connecting rod includes that the left main car frame that left and right is oppositely arranged connects
Bar and right main car frame connecting rod, and described left main car frame connecting rod and right main car frame connecting rod by several along electric wheelchair left and right directions
The lower connecting rod arranged connects fixing, and one end of described electric pushrod is hinged with a upper connecting rod fixing, described electric pushrod
The other end and a lower connecting rod are hinged fixing.
5. according to the foldable electric wheeled chair described in claim 1 or 2 or 3, it is characterised in that the left and right sides of described seat is equal
Being provided with handrail, described armrest rear end, with to lean against support hinged, is provided with ribbed insert on the downside of described handrail, described ribbed insert upper
Holding hinged with handrail, the lower end of described ribbed insert is hinged with seat link, and described ribbed insert upper end is located relatively at handrail even
The front side of bar lower end.
Foldable electric wheeled chair the most according to claim 4, it is characterised in that described upper connecting rod is formed and downwardly extends
Seat pole, described lower connecting rod is formed with the main car frame pole downwardly extended, the upper end of described electric pushrod and described seat
Chair pole is hinged fixing, and the lower end of described electric pushrod is hinged with described main car frame pole fixing；
Described main car frame pole includes several vertically arranged fixed parts and the supporting part of horizontally set, described fixed part upper end
Being relatively fixed with described lower connecting rod, the rear end of described supporting part fixes with described fixed part lower end, described electric pushrod
Lower end is hinged with described supporting part.
7. according to the foldable electric wheeled chair described in claim 1 or 2 or 3, it is characterised in that under described main car frame connecting rod front end
Side is fixed with footrest rack, and described footrest rack is by leg rest connecting rod and main car frame rod hinge connection and is formed at leg rest rod hinge connection,
Described footrest rack is fixed on the lower end of leg rest connecting rod, is provided with along the setting of electric wheelchair left and right directions on the downside of described main car frame connecting rod
Lever, described lever is positioned at the front side of described leg rest small end, is positioned at the downside of described pin at described leg rest rod hinge connection.
8. according to the foldable electric wheeled chair described in Claims 2 or 3, it is characterised in that lean against support bottom described in and if be fixed with
A dry buffer spring device, two trailing wheels are all collocated with a trailing wheel and fix bar, and two trailing wheels fix the upper end of the trailing wheel connecting rod of bar
Connected by rear connecting rod, when electric wheelchair normally uses, the upper surface of described rear connecting rod and described buffer spring device
Contact；
Described buffer spring device includes the first curved portions, the second curved portions and buffer spring, described first curved portions and second
Curved portions is hinged, and the upper end of described buffer spring fixes with described first curved portions, when electric wheelchair normally uses, described
Second curved portions offsets with buffer spring lower end；
Described second curved portions fixes with the upper end, vertical part of described trailing wheel connecting rod.
9. according to the foldable electric wheeled chair described in claim 1 or 2 or 3, it is characterised in that described in lean against support and be hinged with lock
Button spanner, described trailing wheel fixes bar formation the snap close piece extended back, and has phase interworking on the downside of described snap close piece and locking wrench
The buckle structure closed.
10. according to the foldable electric wheeled chair described in claim 1 or 2 or 3, it is characterised in that described seat link rear end is formed
Have upwardly extending seat link protruding, described in lean against the upper end thereof that support is protruding with described seat link, described in lean against
Frame hinged position protruding with seat link is higher than the position of described seat upper surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540249.0A CN106074028B (en) | 2016-07-11 | 2016-07-11 | Foldable electric wheeled chair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540249.0A CN106074028B (en) | 2016-07-11 | 2016-07-11 | Foldable electric wheeled chair |
Publications (2)
| Publication Number | Publication Date |
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| CN106074028A true CN106074028A (en) | 2016-11-09 |
| CN106074028B CN106074028B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610540249.0A Active CN106074028B (en) | 2016-07-11 | 2016-07-11 | Foldable electric wheeled chair |
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| CN (1) | CN106074028B (en) |
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| CN106726207A (en) * | 2016-12-21 | 2017-05-31 | 南京金百合医疗器械有限公司 | One key folding electric wheelchair |
| CN106726206A (en) * | 2016-12-21 | 2017-05-31 | 南京金百合医疗器械有限公司 | One key folding electric wheelchair |
| CN106821625A (en) * | 2017-03-23 | 2017-06-13 | 常州爱尔威智能科技有限公司 | Electric folding wheel chair |
| CN107049637A (en) * | 2017-04-26 | 2017-08-18 | 重庆易驾车业有限公司 | It is a kind of can fast folding and dismounting electric wheelchair |
| CN107049639A (en) * | 2017-05-16 | 2017-08-18 | 东莞威信运动用品有限公司 | Wheelchair folding rack |
| CN107049668A (en) * | 2017-05-15 | 2017-08-18 | 河北工业大学 | A kind of nursing robot uses lifting seat mechanism |
| CN107320257A (en) * | 2017-07-12 | 2017-11-07 | 浙江英洛华康复器材有限公司 | Wheel-chair vehicle frame folding safeties |
| CN108743110A (en) * | 2018-06-17 | 2018-11-06 | 浙江英洛华康复器材有限公司 | Wheel-chair type bed |
| CN109124910A (en) * | 2018-09-20 | 2019-01-04 | 佛山科学技术学院 | A kind of damped wheelchair |
| CN109431702A (en) * | 2017-08-28 | 2019-03-08 | 江苏君悦智能轮椅科技有限公司 | Portable liftable wheelchair |
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| WO2024020742A1 (en) * | 2022-07-25 | 2024-02-01 | 上海邦邦机器人有限公司 | Foldable wheelchair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106726206A (en) * | 2016-12-21 | 2017-05-31 | 南京金百合医疗器械有限公司 | One key folding electric wheelchair |
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| CN106821625B (en) * | 2017-03-23 | 2020-03-17 | 常州爱尔威智能科技有限公司 | Electric folding wheelchair |
| CN106821625A (en) * | 2017-03-23 | 2017-06-13 | 常州爱尔威智能科技有限公司 | Electric folding wheel chair |
| CN107049637A (en) * | 2017-04-26 | 2017-08-18 | 重庆易驾车业有限公司 | It is a kind of can fast folding and dismounting electric wheelchair |
| CN107049668A (en) * | 2017-05-15 | 2017-08-18 | 河北工业大学 | A kind of nursing robot uses lifting seat mechanism |
| CN107049668B (en) * | 2017-05-15 | 2022-03-15 | 河北工业大学 | Lifting seat mechanism for nursing robot |
| CN107049639A (en) * | 2017-05-16 | 2017-08-18 | 东莞威信运动用品有限公司 | Wheelchair folding rack |
| CN107320257A (en) * | 2017-07-12 | 2017-11-07 | 浙江英洛华康复器材有限公司 | Wheel-chair vehicle frame folding safeties |
| CN107320257B (en) * | 2017-07-12 | 2023-06-30 | 浙江英洛华康复器材有限公司 | Folding safety device for frame of wheelchair |
| CN109431702A (en) * | 2017-08-28 | 2019-03-08 | 江苏君悦智能轮椅科技有限公司 | Portable liftable wheelchair |
| CN108743110A (en) * | 2018-06-17 | 2018-11-06 | 浙江英洛华康复器材有限公司 | Wheel-chair type bed |
| CN108743110B (en) * | 2018-06-17 | 2023-12-19 | 浙江英洛华康复器材有限公司 | wheelchair bed |
| WO2020015272A1 (en) * | 2018-07-20 | 2020-01-23 | 广州视源电子科技股份有限公司 | Wheelchair |
| CN109124910A (en) * | 2018-09-20 | 2019-01-04 | 佛山科学技术学院 | A kind of damped wheelchair |
| CN109124910B (en) * | 2018-09-20 | 2023-01-24 | 佛山科学技术学院 | Shock attenuation wheelchair |
| CN109481169A (en) * | 2018-12-10 | 2019-03-19 | 湖南永杰诚新能源科技有限公司 | Fully collapsible invalid's chair |
| CN113230049A (en) * | 2021-03-29 | 2021-08-10 | 浙江英洛华康复器材有限公司 | Folding wheelchair |
| WO2024020742A1 (en) * | 2022-07-25 | 2024-02-01 | 上海邦邦机器人有限公司 | Foldable wheelchair |
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