CN207950035U - Folding electric wheelchair - Google Patents
Folding electric wheelchair Download PDFInfo
- Publication number
- CN207950035U CN207950035U CN201721261120.2U CN201721261120U CN207950035U CN 207950035 U CN207950035 U CN 207950035U CN 201721261120 U CN201721261120 U CN 201721261120U CN 207950035 U CN207950035 U CN 207950035U
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- CN
- China
- Prior art keywords
- wheelchair
- bar
- shaped pipe
- folding electric
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is related to a kind of folding electric wheelchairs.Aim to solve the problem that the high problem of low product structure stability in the prior art, poor operability, security risk.The utility model includes that Wheelchair support includes back rest, and back rest includes interconnecting piece and support portion, and the folding electric wheelchair further includes mounting, front wheel carrier, lower link；Support portion, mounting, front wheel carrier, lower link are joined end to end successively to constitute the parallelogram levers group of wheelchair both sides, it is horizontally installed with midfoot support bar at each node of the parallelogram levers group of both sides, the flexible brace for maintaining the quadrilateral structure to stablize is also equipped in the position of diagonal of a parallelogram, the both ends for the brace that stretches are mounted on corresponding midfoot support bar.Advantage is：It can accomplish each function opposite independent and the wheelchair convenient for folding, be equipped on the wheelchair a series of convenient for integrally-regulated and self-locking each mechanism, while not influencing the stability of complete machine, improve the quality of product entirety.
Description
Technical field
The utility model is related to medical assistance training equipment field, especially a kind of folding electric wheelchair.
Background technology
Common wheelchair generally by wheelchair frame, wheel, brake gear and seats against four parts and forms.Hand wheelchair is in common wheelchair
On the basis of, increase manual setter.Electric wheelchair increases electronics force aid system, alleviates user's on the basis of common wheelchair
Physical demands.Intelligent wheel chair increases mobile positioning, standing movement, remote-controlled movement and correlation on the basis of electric wheelchair
Internet+assisted living.Be not only the walking-replacing tool of limbs the disabled and people with mobility problems, it is often more important that make they by
Physical exercise is carried out in wheelchair and participates in social activities.
Type one of of the foldable wheelchair as common wheelchair, is mainly characterized by non-working condition, can save sky
Between store, especially when user by bus when, fully collapsible invalid's chair can be positioned in boot, convenient for transporting and taking at a distance
Band.
Exist in the prior art multiple technologies improvement, such as using staggeredly X-type bar design can be laterally folded it is collapsible
Wheelchair also has the foldable wheelchair of 90 degree of back inclinable, but technical staff has found in long-term work, and the prior art is still
There are following shortcomings：1. although being used can accomplish to fold, in work, product structure is easily deformed, unstable
Fixed, there are security risks；2. each parts resistance of folding process is big in technology at this stage, one man operation is laborious；3. as production
Product are whole, and flexibility ratio is low, and function is relatively single, and the degree of automation is low, lacks a kind of patient's electric folding wheel chair easy to use.
Invention content
The purpose of this utility model is exactly low in order to solve fully collapsible invalid's chair stability in the prior art, and operation difficulty is big to ask
Topic.
The concrete scheme of the utility model is：
A kind of folding electric wheelchair, including electric control gear are designed, Wheelchair support includes back rest, and the back rest includes connecting
Socket part and support portion, the folding electric Wheelchair support further include mounting, front wheel carrier, lower link；The support portion, mounting,
Front wheel carrier, lower link are joined end to end successively to constitute the parallelogram levers group of wheelchair both sides, and parallel four in the both sides
It is horizontally installed with midfoot support bar at each node of side shape bar group, dimension is also equipped in the position of the diagonal of a parallelogram
The flexible brace that the quadrilateral structure is stablized is held, the both ends of the flexible brace are mounted on corresponding midfoot support bar.
The flexible brace is made of electric-controlled hydraulic bar, and the electric-controlled hydraulic bar is connect with the electric control part device circuit.
The flexible brace includes big I-shaped pipe and small I-shaped pipe, and the big I-shaped pipe and small I-shaped pipe lean on
Backrest bottom stage is mutually set with, and the crossbeam end of the big I-shaped pipe and small I-shaped pipe is matched with corresponding midfoot support bar respectively
Installation is closed, the big I-shaped pipe is equipped with limited post positioning pipe, several limits are linearly equipped with side by side on the small I-shaped pipe
Position hole, the limited post pass through positioning pipe and limit hole to realize self-locking, and the outer end of the limited post connects lift-pull handle, described
It is equipped with cavity between limited post and the limited post positioning pipe, resetting spring is set in the cavity.
Foot pedal is movably connected on front wheel carrier, and foot-operated tilt adjustment dress is additionally provided between the foot pedal and the front wheel carrier
It sets, the foot-operated inclination-angle regulating device includes rocking bar, and the fixing end of the rocking bar is mounted in rack, and mobile terminal is connected with pedal
Mechanism is also equipped with linkage adjusting block at the both ends of the rocking bar；Fixed bullet is installed in rocking bar fixing end, the adjusting block that links
The other end of spring, spring is fixed on the rack, and mobile spring, the shifting are equipped on the mobile terminal of rocking bar, the adjusting block that links
The other end of spring of moving is equipped with nut, and the inclination-angle regulating device further includes the index dial for being evenly equipped with adjustment hole, and rocking bar is fixed
The linkage adjusting block bottom at end is equipped with the locating pin across nut and adjustment hole.
The backrest includes side link and tilt adjustment bar, and hinged connection, described between the side link and tilt adjustment bar
Wheelchair support is equipped with the recliner at adjustable inclination adjusting rod angle of inclination, and the recliner includes being installed on
The bottom of the gas spring of the backrest both sides, the gas spring connects brake cable, and the other end of brake cable is mounted on brake shoes,
It is hinged on the brake shoes to be connected with adjusting rod；The brake cable of both sides gas spring is connected to hinged junction on adjusting rod
Both ends, to adjust the keying of gas spring.
Upset hinge mechanism is equipped with where the front-wheel between holder and Wheelchair support, the Upset hinge mechanism carries self-locking
Element.Upset hinge mechanism is equipped with where the handrail between holder and Wheelchair support, the Upset hinge mechanism carries self-lock circle
Part.
Between the back rest and Wheelchair support be equipped with self-locking mechanism, the self-locking mechanism include the back rest bottom with
The positioning plate of positioning pin, solidified and located state between the seat support of wheelchair, the position-limiting unit for preventing positioning plate from moving and drive
Position the reset unit of sheet reset.
The lower section of the seat support top and the hinged connection in back rest bottom, the seat support top is equipped with circle
Column-shaped projection is equipped with the positioning plate for being able to cover the cylindrical protrusions, the limit in the bottom at back rest bottom both ends
Bit location includes the limited post across cylindrical protrusions and positioning plate, and the other end of the limited post, which is equipped with, drives the limited post
The spring of reset, the positioning plate are equipped with location hole corresponding with the cylindrical protrusions.
The hinged connection in bottom of the positioning plate and the back rest bottom, the reset unit include being arranged in positioning plate
With the resetting spring of the hinged junction shaft in back rest bottom, the position-limiting unit includes being set at the top of the seat support
The hanging groove that ratchet-shaped is linked up with and is arranged on positioning plate, the hanging groove are arc, the increment shape phase with ratchet-shaped hook
Matching, the positioning plate bottom are equipped with spiral-lock handle.
The beneficial effects of the utility model are：
Different from the prior art, the parallel characteristic being easily deformed using parallelogram levers group, which realizes, easily to be deformed
It folds, while utilizing and self-locking and the structure stabilization branch realized in cornerwise telescopic supporting rod under stable state is set
Support, by realizing the control to Wheelchair support structure to the control of telescopic rod；Further, the position where armrest part, wheel body
It is designed with the whole occupied space of institute after switching mechanism is folded with further saving
The limit method operability of telescoping tube is strong, and stability is high, and when deformation pulls pumping rod that can complete；
The structure design of plate part and back rest part is ridden in the utility model to be convenient for user with self-control
It is single to use, it is nursed at any time without nurse；
Self-locking mechanism, especially back rest and mounting are improved in the utility model makees mechanism certainly, further increases wheel
The comfort that chair uses, in the utility model, self-locking mechanism is various informative, and use scope is wide.
It is applicant's understanding that by above technical scheme, it can accomplish each function opposite independent and the wheel convenient for folding
Chair, is equipped on the wheelchair a series of convenient for integrally-regulated and self-locking each mechanism, is not influencing the stability of complete machine
Meanwhile improving the quality of product entirety.
Description of the drawings
Fig. 1 is the stereogram under the utility model structure Wheelchair support opening state；
Fig. 2 is the front view under the utility model structure Wheelchair support opening state；
Fig. 3 is the right view under the utility model structure Wheelchair support opening state；
Fig. 4 is the stereogram under the utility model structure Wheelchair support folded state；
Fig. 5 is the front view under the utility model structure Wheelchair support folded state；
Fig. 6 is the vertical view under the utility model structure Wheelchair support folded state；
Fig. 7 is the right view under the utility model structure Wheelchair support folded state；
Fig. 8 is the front view of the opening state of another embodiment of the utility model structure；
Fig. 9 is the structural schematic diagram of flexible brace in the utility model structure；
Figure 10 is the partial schematic diagram of back support bar in the another embodiment of the utility model；
The names of the parts in figure：1. handrail；2. back part holder；3. seat portion holder；4. automatically controlled；5. foot-operated
Portion support；6. wheel portion holder；7. recliner；8. self-locking mechanism；
21. interconnecting piece；22. support portion；
31. sitting frame；32. front wheel carrier；33. lower link；34. flexible brace；35. midfoot support bar；
51. index dial；52. rocking bar；
71. gas spring；72. brake cable；73. brake shoes；74. adjusting rod；75. Secondary Control handle；
341. big I-shaped pipes；342. small I-shaped pipes；343. limited post positioning pipes；344. limit hole；345. limit
Column；346. resetting spring；347. lift-pull handle.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
A kind of folding electric wheelchair, referring to Fig. 1 to Fig. 7, design includes electric control gear, and Wheelchair support includes back rest, institute
It includes interconnecting piece and support portion 22 to state back rest, and the folding electric Wheelchair support further includes mounting, front wheel carrier 32, lower link
33；The support portion 22, mounting, front wheel carrier 32, lower link 33 are joined end to end successively to constitute parallel four side of wheelchair both sides
Shape bar group is horizontally installed with midfoot support bar 35, described parallel at each node of the parallelogram levers group of the both sides
The cornerwise position of quadrangle is also equipped with the flexible brace 34 for maintaining the quadrilateral structure to stablize, the flexible brace 34
Both ends are mounted on corresponding midfoot support bar 35.
Upset hinge mechanism is equipped with where the front-wheel between holder and Wheelchair support, the Upset hinge mechanism carries self-locking
Element.Upset hinge mechanism is equipped between 1 place holder of the handrail and Wheelchair support, the Upset hinge mechanism carries self-lock circle
Part.
See that Fig. 9, the flexible brace 34 include big I-shaped pipe 341 and small I-shaped pipe 342, the big I-shaped pipe
341 are mutually set with the back rest bottom stage of small I-shaped pipe 342, the cross of the big I-shaped pipe 341 and small I-shaped pipe 342
Beam-ends coordinates with corresponding midfoot support bar 35 respectively to be installed, and the big I-shaped pipe 341 is equipped with 345 positioning pipe of limited post
343, be linearly equipped with several limit holes 344 on the small I-shaped pipe 342 side by side, the limited post 345 pass through positioning pipe and
Limit hole 344 is to realize that self-locking, the outer end of the limited post 345 connect lift-pull handle 347, the limited post 345 and the limit
It is equipped with cavity between 345 positioning pipe 343 of column of position, resetting spring 346 is set in the cavity.Lift-pull handle 347 is pulled when use,
Can adjustable telescopic rod length, and then by the combination of telescopic rod and parallelogram levers group, adjust the state of complete machine.
Embodiment 2
The present embodiment principle with embodiment 1, it is specific the difference is that, be also equipped with movable pedal and synchronous control
Inclination of the seat backrest regulating device, referring to Fig. 8, foot pedal is movably connected on front wheel carrier 32, between the foot pedal and the front wheel carrier
It is additionally provided with foot-operated inclination-angle regulating device, the foot-operated inclination-angle regulating device includes rocking bar 52, the fixing end installation of the rocking bar 52
In rack, mobile terminal is connected with pedal gear, and linkage adjusting block is also equipped at the both ends of the rocking bar 52；It is solid in rocking bar 52
Fixed end is equipped with fixed spring on the adjusting block that links, and the other end of spring is fixed on the rack, in the mobile terminal of rocking bar 52, connection
Mobile spring is installed on dynamic adjusting block, the other end of the mobile spring is equipped with nut, and the inclination-angle regulating device also wraps
Include the index dial 51 for being evenly equipped with adjustment hole, the linkage adjusting block bottom of 52 fixing end of rocking bar is equipped with across nut and adjustment hole
Locating pin.
The backrest includes side link and tilt adjustment bar, and hinged connection, described between the side link and tilt adjustment bar
Wheelchair support is equipped with the recliner at adjustable inclination adjusting rod angle of inclination, and the recliner includes being installed on
The bottom of the gas spring 71 of the backrest both sides, the gas spring 71 connects brake cable 72, and the other end of brake cable 72 is mounted on
It is hinged on the brake shoes 73 to be connected with adjusting rod on brake shoes 73；The brake cable 72 of both sides gas spring 71 is connected to tune
Both ends of hinged junction on pole, to adjust the keying of gas spring 71.Lid design can be with manual adjustment backrest, in appropraite condition
Under, carry out inclination appropriate.
Embodiment 3
The present embodiment principle specifically the difference is that, further increases Secondary Control handle 75 with embodiment 1, joins
See Figure 10, the flexible adjusting form of backrest.
Embodiment 4
The present embodiment principle is with embodiment 1, and specifically the difference is that, the flexible brace 34 is by electric-controlled hydraulic bar system
At the electric-controlled hydraulic bar is connect with the electric control part device circuit.Improve the degree of automation of equipment entirety.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of folding electric wheelchair, including electric control gear, it is characterised in that：Wheelchair support includes back rest, the back rest
Including interconnecting piece and support portion（22）, the folding electric Wheelchair support further includes mounting, front wheel carrier（32）, lower link
（33）；The support portion（22）, mounting, front wheel carrier（32）, lower link（33）It is joined end to end successively to constitute wheelchair both sides
Parallelogram levers group is horizontally installed with midfoot support bar at each node of the parallelogram levers group of the both sides（35）,
The flexible brace for maintaining the quadrilateral structure to stablize is also equipped in the position of the diagonal of a parallelogram（34）, described
Flexible brace（34）Both ends be mounted on corresponding midfoot support bar（35）On.
2. folding electric wheelchair as described in claim 1, it is characterised in that：The flexible brace（34）By electric-controlled hydraulic bar system
At the electric-controlled hydraulic bar is connect with electric control part device circuit.
3. folding electric wheelchair as described in claim 1, it is characterised in that：The flexible brace（34）Including big I-shaped pipe
（341）With small I-shaped pipe（342）, the big I-shaped pipe（341）With small I-shaped pipe（342）Back rest bottom stage be nested
Dress, the big I-shaped pipe（341）With small I-shaped pipe（342）Crossbeam end respectively with corresponding midfoot support bar（35）Match
Close installation, the big I-shaped pipe（341）It is equipped with limited post positioning pipe（343）, the small I-shaped pipe（342）It is upper linear
It is equipped with several limit holes side by side（344）, the limited post（345）Across positioning pipe and limit hole（344）It is described to realize self-locking
Limited post（345）Outer end connect lift-pull handle（347）, the limited post（345）With the limited post positioning pipe（343）Between set
There is cavity, resetting spring is set in the cavity（346）.
4. folding electric wheelchair as described in claim 1, it is characterised in that：Foot pedal is movably connected on front wheel carrier（32）On,
Foot-operated inclination-angle regulating device is additionally provided between the foot pedal and the front wheel carrier, the foot-operated inclination-angle regulating device includes rocking bar
（52）, the rocking bar（52）Fixing end be mounted on rack on, mobile terminal is connected with pedal gear, in the rocking bar（52）Two
End is also equipped with linkage adjusting block；In rocking bar（52）Fixing end, link adjusting block on fixed spring, the other end of spring are installed
It is fixed on the rack, in rocking bar（52）Mobile terminal, mobile spring is installed on the adjusting block that links, the mobile spring it is another
End is equipped with nut, and the inclination-angle regulating device further includes the index dial for being evenly equipped with adjustment hole（51）, rocking bar（52）Fixing end
Linkage adjusting block bottom is equipped with the locating pin across nut and adjustment hole.
5. folding electric wheelchair as claimed in claim 4, it is characterised in that：The backrest includes side link and tilt adjustment
Bar, hinged connection between the side link and tilt adjustment bar, the Wheelchair support are equipped with adjustable inclination adjusting rod angle of inclination
Recliner, the recliner includes the gas spring for being installed on the backrest both sides（71）, the gas spring
（71）Bottom connect brake cable（72）, brake cable（72）The other end be mounted on brake shoes（73）On, the brake shoes（73）
It is above hinged to be connected with adjusting rod；Both sides gas spring（71）Brake cable（72）It is connected to two of hinged junction on adjusting rod
It holds, to adjust gas spring（71）Keying.
6. folding electric wheelchair as claimed in claim 5, it is characterised in that：Machine is equipped between the side link and tilt adjustment bar
Tool lock formula adjusts original paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721261120.2U CN207950035U (en) | 2017-09-28 | 2017-09-28 | Folding electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721261120.2U CN207950035U (en) | 2017-09-28 | 2017-09-28 | Folding electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207950035U true CN207950035U (en) | 2018-10-12 |
Family
ID=63723552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721261120.2U Expired - Fee Related CN207950035U (en) | 2017-09-28 | 2017-09-28 | Folding electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207950035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714324A (en) * | 2017-09-28 | 2018-02-23 | 河南禾森医疗设备有限公司 | Folding electric wheelchair |
| WO2022252886A1 (en) * | 2021-06-04 | 2022-12-08 | 上海酷哲动力系统有限公司 | Foldable wheelchair and folding method therefor |
-
2017
- 2017-09-28 CN CN201721261120.2U patent/CN207950035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714324A (en) * | 2017-09-28 | 2018-02-23 | 河南禾森医疗设备有限公司 | Folding electric wheelchair |
| WO2022252886A1 (en) * | 2021-06-04 | 2022-12-08 | 上海酷哲动力系统有限公司 | Foldable wheelchair and folding method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210928 |