CN107049632A - Portable light electric wheel-chair vehicle - Google Patents
Portable light electric wheel-chair vehicle Download PDFInfo
- Publication number
- CN107049632A CN107049632A CN201710469645.3A CN201710469645A CN107049632A CN 107049632 A CN107049632 A CN 107049632A CN 201710469645 A CN201710469645 A CN 201710469645A CN 107049632 A CN107049632 A CN 107049632A
- Authority
- CN
- China
- Prior art keywords
- vehicle frame
- folding
- wheel
- rotating shaft
- pole
- 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.)
- Granted
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Classifications
-
- 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
- A61G5/08—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
- A61G5/10—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
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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)
- Vehicle Body Suspensions (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
A kind of Portable light electric wheel-chair vehicle, it is provided with low steering resistance damping fore wheel structure in vehicle frame sill front portion, in vehicle frame sill front portion welding front shaft sleeve, front-wheel rotating shaft is provided with front shaft sleeve, the front-wheel rotating shaft lower end is connected with front fork upper end, and the front-wheel rotating shaft top, which enters to wear successively in front shaft sleeve, is connected to lower punching press shell needle bearing, disk spring, elastic polyurethane pad, thrust ball bearing with flat seat, upper punching press shell needle bearing, anti-support catch；Two pairs of four folding poles are rotatably connected between left vehicle frame and right vehicle frame, provided with two linkage gears being mutually twisted on link is folded, each linkage gear is connected with pull bar provided with a dowel hole between two pairs of folding links for folding pole are inner.The beneficial effects of the invention are as follows：It has a low steering resistance damping fore wheel structure, good damping effect, and gross weight will control that compact is reliable, lightweight within 23kg, when folding up, and performance indications meet or exceed national standard GB/T12996 2009.
Description
Technical field
It is a kind of Portable light electric wheel-chair vehicle the present invention relates to electric wheel-chair vehicle technical field.
Background technology
At present, electric wheel-chair vehicle promote the wider application, and still belongs to the starting stage in China at present, influences it on a large scale should
Factor is a lot, such as price, performance, product quality, property easy to use etc..Wherein, property easy to use is critical
Restraining factors.
With our people's growth in the living standard, the technology and equipment progress of China's manufacturing industry, electric wheel-chair vehicle is in valency
Lattice, quality, problem present on performance have all progressively been resolved, and using convenience for the use of do not give fundamentally also then
To solve.One is weight weight, and general weight is all in more than 35kg, if the ground that building does not have elevator or do not deposited downstairs
Side, is difficult by its carry it upstairs after being finished；Two be that volume is big, and common wheelchair can fold up reduction size, be put into car standby
Railway carriage or compartment is more convenient, and electric wheel-chair vehicle is few to fold up, therefore outgoing carrying is inconvenient, and damping effect is not yet
It is preferable.
This problem uses outer wheel hub motor as wheel-chair motor, this motor have lightweight, reliability it is high, effect
The high advantage of rate.With lithium battery as power supply, there is the high advantage of lightweight, energy density compared with lead-acid accumulator.Using process
The electric machine control system improved and optimizated is manipulated to wheel-chair, and the shake uniform velocity of motor is unstable existing when can overcome low speed
As.Electric wheel-chair vehicle can be folded, and folding mechanism for vehicle frame is allowed to existing enough intensity when in use by innovative design
And rigidity, and can then keep height and size constancy when folding.The gross weight of light-weight electric wheel-chair will control 23kg with
Interior, an adult can be so that downstairs, volume, can be very square within 850 × 650 × 350mm when folding up in portable carrying
Just the small spaces such as automobile trunk are put into.
The goal in research of this problem is finally realized, is possible to solve portable sex chromosome mosaicism and the damping of electric wheel-chair vehicle well
Problem, can make certain contribution for popularizing for China's electric wheel-chair vehicle with technological progress.
The content of the invention
It is an object of the invention to provide a kind of Portable light electric wheel-chair vehicle, it has rolling hitch before low steering resistance damping
Structure, good damping effect, the gross weight of electric wheel-chair vehicle will be controlled within 23kg, an adult can be with portable carrying above and below
Building, volume can easily be put into the small spaces such as automobile trunk within 850 × 650 × 350mm when folding up.
To achieve these goals, the present invention uses following technical scheme：A kind of Portable light electric wheel-chair vehicle, it is wrapped
Vehicle frame sill (1), front fork (4), front-wheel (5), left vehicle frame (12), right vehicle frame (11) are included, it is characterised in that horizontal under vehicle frame
Beam (1) front portion is provided with low steering resistance damping fore wheel structure, and described low steering resistance damping fore wheel structure is horizontal under vehicle frame
Beam (1) front portion welding front shaft sleeve (2), is provided with front-wheel rotating shaft (3), front-wheel rotating shaft (3) lower end and front fork in front shaft sleeve (2)
(4) upper end connect, front-wheel rotating shaft (3) top enter front shaft sleeve (2) in wear successively be connected to lower punching press shell needle bearing (27),
Disk spring (26), elastic polyurethane pad (25), thrust ball bearing with flat seat (24), upper punching press shell needle bearing (23), anti-support
Catch (22), is connected with the screw of the fixed anti-support catch (22) of pressure on front-wheel rotating shaft (3) upper end；
Two pairs four are rotatably connected between left vehicle frame (12) and right vehicle frame (11) and folds pole (6), every folds branch
Bar (6) is in semicircular arc, and the semicircular arc openend of the folding pole (6) is upper with left vehicle frame (12) or right vehicle frame (11) respectively
Lower end is connected, and the semicircular arc of the two folding pole (6) is inner to be connected by rotating pin (7) with folding link (8) rotation,
Provided with two linkage gears (9) being mutually twisted on link (8) is folded, each linkage gear (9) is provided with a positioning
Two positioning holes (16) are correspondingly provided with folding link (8) under pin-and-hole (15), each linkage gear (9), in two pairs of foldings
Pull bar (13) is connected between the folding link (8) of pole (6) is inner, is connected with the side outer end for folding link (8)
Draw ring (14).
Wherein, described disk spring (26) is eight, and elastic polyurethane pad (25) is four, and arrangement mode is from lower past
On be three disk springs (26), two elastic polyurethane pads (25), two disk springs (26), two elastic polyurethane pads
(25), three disk springs (26).
The beneficial effects of the invention are as follows：It has low steering resistance damping fore wheel structure, good damping effect, electric wheel-chair vehicle
Gross weight will control within 23kg, adult can with portable carrying downstairs, when folding up volume 850 ×
Within 650 × 350mm, the small spaces such as automobile trunk can be easily put into, low speed operates steadily, and compact structure can
Lean on, it is lightweight, performance indications meet or exceed national standard GB/T12996-2009.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 left view schematic diagram.
Fig. 3 is Fig. 1 schematic top plan view.
Fig. 4 is the low steering resistance damping fore wheel structure enlarged diagram of Fig. 1 present invention.
Fig. 5 is the folding pole schematic diagram of Fig. 2 present invention.
Fig. 6 is Fig. 5 schematic top plan views.
Fig. 7 is that Fig. 6 folds pole folding schematic diagram.
Embodiment
Referring to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7：A kind of Portable light electric wheel-chair vehicle, it includes
Vehicle frame sill 1, front fork 4, front-wheel 5, left vehicle frame 12, right vehicle frame 11 are anterior provided with low steering resistance damping in vehicle frame sill 1
Fore wheel structure, described low steering resistance damping fore wheel structure is in the anterior welding front shaft sleeve 2 of vehicle frame sill 1, in front shaft sleeve 2
Interior to be provided with front-wheel rotating shaft 3, the lower end of front-wheel rotating shaft 3 be connected with the upper end of front fork 4, the top of front-wheel rotating shaft 3 into front shaft sleeve 2 it is interior according to
Secondary wear is connected to lower punching press shell needle bearing 27, disk spring 26, elastic polyurethane pad 25, thrust ball bearing with flat seat 24, upper punching
Shell needle bearing 23, anti-support catch 22 are pressed, the screw of the fixed anti-support catch 22 of pressure is connected with the upper end of front-wheel rotating shaft 3；
When actual use, the weight of vehicle body and people are transmitted on the front shaft sleeve 2 welded therewith by vehicle frame sill 1, edge
Axially it is pressed onto on thrust ball bearing with flat seat 24, then by butterfly spring 26, elastic polyurethane pad 25 bumper and absorbing shock step by step, before being pressed in
Take turns in rotating shaft 3, ground is applied to by front fork 4, front-wheel 5.Two punching press shell needle bearings 23,27 are rotated before ensureing up and down
3 radial positioning is reliably accurate, and rolling friction can guarantee that its revolution and axial movement are flexible again.The peace of anticreep catch 22 on top
The axial movement of front-wheel rotating shaft 3 then can be achieved in face thrust ball bearing 24, reduces steering resistance, its axially position is completed again.
Punching press shell needle bearing 23,27, that is, keep it to have the small size of sliding bearing, low weight and height above and below use
Rigidity, can increase substantially fit precision and lower frictional force again.Meanwhile, to ensure turn of the front-wheel rotating shaft 3 when bearing axial force
It is dynamic flexible, miniature planar thrust ball bearing 24 is used at carrying, sliding friction is changed into rolling friction, friction resistance is greatly reduced
Power.
To make damping effect more preferably more reliable, shock mitigation system is used as shown in figure 4, being using eight Hes of butterfly spring 26
The combining structure of four elastic polyurethane pads 25, disk spring 26 is eight, and elastic polyurethane pad 25 is four, and arrangement mode is
It is three disk springs 26, two elastic polyurethane pads 25, two disk springs 26, two elastic polyurethane pads from the bottom up
25th, three disk springs 26, can very well absorb impact energy when wheelchair jolts, and lower low-frequency vibration.
Two pairs of four folding poles 6 are rotatably connected between left vehicle frame 12 and right vehicle frame 11, every folds pole 6 in half
Circular arc, the upper and lower side of the semicircular arc openend of the folding pole 6 respectively with left vehicle frame 12 or right vehicle frame 11 is connected, two folding
The semicircular arc of folded pole 6 is inner to be connected by rotating pin 7 with folding the rotation of link 8, and two are provided with link 8 is folded
The individual linkage gear 9 being mutually twisted, each linkage gear 9 is provided with the folding under a dowel hole 15, each linkage gear 9
Two positioning holes 16 are correspondingly provided with link 8, pull bar is connected between two pairs of the inners of folding link 8 for folding pole 6
13, it is connected with draw ring 14 in the side outer end for folding link 8.
Workflow is as follows：A, fully collapsible invalid's chair process：Alignment pin 15 is extracted, draw ring 14 is pulled, in the control of linkage gear 9
Under, two edge contraction poles 6 will angularly turn to position shown in Fig. 7, and alignment pin 15 is fallen into positioning hole 16, and wheel-chair is folded
Come.B, wheel-chair opening procedure：Alignment pin is extracted, draw ring is promoted, in 90 ° to two edge contraction poles and pull bar 13, alignment pin falls
Enter to open in positioning hole 16, wheel-chair is opened.
The fold mechanism of wheel-chair is generally campstool type structure, and wheel-chair height will increase about 30% during folding.The application
Design for slide folding mechanism, ensure that vehicle frame is reduced by about the chis of two folding poles in a coordinate direction when folding
It is very little, other two coordinate direction size constancies.
The technical principle described above for being presently preferred embodiments of the present invention and its being used, for those skilled in the art
For, without departing from the spirit and scope of the present invention, any equivalent change based on the basis of technical solution of the present invention
Change, simply replacement etc. obviously changes, belong within the scope of the present invention.
Claims (2)
1. a kind of Portable light electric wheel-chair vehicle, it includes vehicle frame sill (1), front fork (4), front-wheel (5), left vehicle frame
(12), right vehicle frame (11), it is characterised in that be provided with low steering resistance damping fore wheel structure in vehicle frame sill (1) front portion is described
Low steering resistance damping fore wheel structure be, in vehicle frame sill (1) front portion welding front shaft sleeve (2), to be provided with the front shaft sleeve (2)
Front-wheel rotating shaft (3), front-wheel rotating shaft (3) lower end is connected with front fork (4) upper end, and front-wheel rotating shaft (3) top enters front shaft sleeve (2)
Inside wear successively and be connected to lower punching press shell needle bearing (27), disk spring (26), elastic polyurethane pad (25), plane thrust ball axle
(24), upper punching press shell needle bearing (23), anti-support catch (22) are held, pressure is connected with front-wheel rotating shaft (3) upper end and is fixed
The screw of anti-support catch (22)；
Two pairs four are rotatably connected between left vehicle frame (12) and right vehicle frame (11) and folds pole (6), every folds pole (6)
In semicircular arc, the semicircular arc openend of the folding pole (6) respectively with left vehicle frame (12) or the upper and lower side of right vehicle frame (11)
Connection, the semicircular arc of the two folding pole (6) is inner to be connected by rotating pin (7) with folding link (8) rotation, in folding
Folded link (8) is provided with two linkage gears (9) being mutually twisted, and each linkage gear (9) is provided with a dowel hole
(15) two positioning holes (16), are correspondingly provided with the folding link (8) under each linkage gear (9), pole is folded at two pairs
(6) pull bar (13) is connected between folding link (8) is inner, draw ring is connected with the side outer end for folding link (8)
(14)。
2. Portable light electric wheel-chair vehicle according to claim 1, it is characterised in that described disk spring (26) is
Eight, elastic polyurethane pad (25) is four, and it is three disk springs (26), two polyurethane bullets from the bottom up that arrangement mode, which is,
Property pad (25), two disk springs (26), two elastic polyurethane pads (25), three disk springs (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469645.3A CN107049632B (en) | 2017-06-20 | 2017-06-20 | Portable light electric wheel-chair vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469645.3A CN107049632B (en) | 2017-06-20 | 2017-06-20 | Portable light electric wheel-chair vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049632A true CN107049632A (en) | 2017-08-18 |
| CN107049632B CN107049632B (en) | 2018-08-31 |
Family
ID=59594078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710469645.3A Expired - Fee Related CN107049632B (en) | 2017-06-20 | 2017-06-20 | Portable light electric wheel-chair vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107049632B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021006842A3 (en) * | 2019-07-05 | 2021-03-11 | Altinörs Medi̇kal Tibbi̇ Ci̇hazlar İnşaat Turi̇zm Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Precision transporting system |
| TWI832744B (en) * | 2023-04-07 | 2024-02-11 | 國立高雄科技大學 | Rotation-assisted wheel chair structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4222727A1 (en) * | 1992-07-10 | 1994-01-13 | Gross & Froelich Gmbh & Co Kg | Swivel castor |
| JP2003079671A (en) * | 2001-09-12 | 2003-03-18 | 紘二 ▲吉▼岡 | Front-wheel supporting mechanism for wheelchair |
| CN201481684U (en) * | 2009-08-31 | 2010-05-26 | 国家康复辅具研究中心 | Magnesium alloy light wheel chair |
| CN102309382A (en) * | 2010-07-09 | 2012-01-11 | 栅木贞雄 | Folding wheel chair and stand-assist seat |
| CN203017214U (en) * | 2012-12-06 | 2013-06-26 | 国家康复辅具研究中心 | Wheel chair enabling body positions of three postures to be switched |
| CN203935347U (en) * | 2014-06-26 | 2014-11-12 | 周广刚 | Universal wheel and the wheel conversion equipment of keeping straight on for electric wheelchair |
| CN204121305U (en) * | 2014-10-08 | 2015-01-28 | 广东凯洋医疗科技集团有限公司 | A kind of wheelchair front-wheel vibration damping connecting lever |
| WO2015034372A1 (en) * | 2013-09-06 | 2015-03-12 | Alu Rehab As | Folding mechanism for a folding wheelchair, backrest post for wheelchair and wheelchair |
| US9655794B2 (en) * | 2015-10-07 | 2017-05-23 | Edward T. Bednarz, III | Adjustable wheelchair |
-
2017
- 2017-06-20 CN CN201710469645.3A patent/CN107049632B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4222727A1 (en) * | 1992-07-10 | 1994-01-13 | Gross & Froelich Gmbh & Co Kg | Swivel castor |
| JP2003079671A (en) * | 2001-09-12 | 2003-03-18 | 紘二 ▲吉▼岡 | Front-wheel supporting mechanism for wheelchair |
| CN201481684U (en) * | 2009-08-31 | 2010-05-26 | 国家康复辅具研究中心 | Magnesium alloy light wheel chair |
| CN102309382A (en) * | 2010-07-09 | 2012-01-11 | 栅木贞雄 | Folding wheel chair and stand-assist seat |
| CN203017214U (en) * | 2012-12-06 | 2013-06-26 | 国家康复辅具研究中心 | Wheel chair enabling body positions of three postures to be switched |
| WO2015034372A1 (en) * | 2013-09-06 | 2015-03-12 | Alu Rehab As | Folding mechanism for a folding wheelchair, backrest post for wheelchair and wheelchair |
| CN203935347U (en) * | 2014-06-26 | 2014-11-12 | 周广刚 | Universal wheel and the wheel conversion equipment of keeping straight on for electric wheelchair |
| CN204121305U (en) * | 2014-10-08 | 2015-01-28 | 广东凯洋医疗科技集团有限公司 | A kind of wheelchair front-wheel vibration damping connecting lever |
| US9655794B2 (en) * | 2015-10-07 | 2017-05-23 | Edward T. Bednarz, III | Adjustable wheelchair |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021006842A3 (en) * | 2019-07-05 | 2021-03-11 | Altinörs Medi̇kal Tibbi̇ Ci̇hazlar İnşaat Turi̇zm Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Precision transporting system |
| TWI832744B (en) * | 2023-04-07 | 2024-02-11 | 國立高雄科技大學 | Rotation-assisted wheel chair structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107049632B (en) | 2018-08-31 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20210620 |