CN106214374A - Collapsible shock-proof wheel chair - Google Patents
Collapsible shock-proof wheel chair Download PDFInfo
- Publication number
- CN106214374A CN106214374A CN201610740763.9A CN201610740763A CN106214374A CN 106214374 A CN106214374 A CN 106214374A CN 201610740763 A CN201610740763 A CN 201610740763A CN 106214374 A CN106214374 A CN 106214374A
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- China
- Prior art keywords
- wheel
- shock
- frame
- vehicle frame
- proof
- 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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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—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
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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
The invention discloses a kind of collapsible shock-proof wheel chair, including the near front wheel (1), off-front wheel (2), left rear wheel (3), off hind wheel (4), left front wheel carrier (5), off-front wheel frame (6), left back wheel carrier (7), off hind wheel frame (8), left vehicle frame and right vehicle frame, left, off-front wheel is with left, off-front wheel frame is connected, left, off hind wheel is with left, off hind wheel frame is connected, left, right vehicle frame is hinged by fold mechanism, left, off-front wheel frame and a left side, off hind wheel frame all by a pair of linkage respectively with a left side, the front down tube of right vehicle frame and down tube are hinged, upper connecting rod (9) and a left side at four double link devices, a shock absorber (12) it is provided with between front end and the rear end of right top tube.The collapsible shock-proof wheel chair of the present invention not only has a four-wheel independence shock-proof effect well, and the riding stability of its integrated connection rigidity and four wheels is the best, and meanwhile, it also has and folds folder function.
Description
Technical field
The present invention relates to a kind of wheelchair, a kind of collapsible shock-proof wheel chair.
Background technology
At present, the wheelchair on market has varied, and generally its building block has: play the vehicle frame master of integrated support effect
Body, the seat cushion taken for user and backing cushion, handrail, front and rear wheel and footrest.But most wheelchair, its vehicle frame is respectively
Planting pipe fitting welding to form, its front and rear wheel is also fit directly on vehicle frame, so when its walking is on rugged road
Or during up/down steps, by producing bigger vibrations of jolting, make occupant like a hen on a hot girdle, especially for just having moved operation or the heart
For dirty bad occupant, this bigger vibrations of jolting can make its pain aggravate.In order to slow down this vibrations of jolting, occur
A kind of shock-proof wheel chair, this kind of shock-proof wheel chair absorbs, by installing shock absorber in its front wheels and rear wheels, vibrations of jolting, but
The shock-proof spring that the front and rear wheel shock absorber of this wheelchair is used is different in size, shows as the shock-absorbing bullet of front-wheel shock absorber
Spring is shorter, and the shock-proof spring of rear wheel vibration damping device is longer, and owing to the shock-proof spring of front-wheel shock absorber is shorter, and it is with rear wheel vibration damping device
The coefficient of elasticity gap of longer shock-proof spring relatively big, so causing the shock-proof effect of this kind of wheelchair bad, meanwhile, this kind of wheel
The front-wheel shock absorber of chair is arranged on front fork, the structure of front fork so can be made to become complex, and this kind of wheelchair is forward and backward
Wheel shock absorber is all to be directly connected to vehicle frame and front and rear wheel, and shock absorber is the power that turns to the left or to the right of can not bearing, so
The stability making the front and rear wheel of this kind of wheelchair can not be guaranteed.Consolidate it addition, the vehicle frame of this kind of shock-proof wheel chair is left-right integrated formula
Determine vehicle frame, so it can not fold folding, take up an area space bigger.
Summary of the invention
The technical problem to be solved is to provide a kind of collapsible shock-proof wheel chair, and it not only has four-wheel well
Independent shock-proof effect, and the riding stability of its integrated connection rigidity and four wheels is the best, and meanwhile, it also has
Fold folder function.
The technical solution adopted for the present invention to solve the technical problems is: collapsible shock-proof wheel chair, before the near front wheel, the right side
Wheel, left rear wheel, off hind wheel, left front wheel carrier, off-front wheel frame, left back wheel carrier, off hind wheel frame, left vehicle frame and right vehicle frame, wherein, left,
Off-front wheel is connected with left and right front wheel carrier respectively, and left and right trailing wheel is connected with left and right rear wheel frame respectively, described left and right vehicle frame phase
Connect, described left and right front wheel carrier and left and right rear wheel frame all by a linkage respectively with described left and right vehicle frame
Front end and rear end are hinged, and are provided with shock-absorbing in described four between linkage and frame section corresponding thereto
Device.
Further, described left and right vehicle frame all include a top tube and two lay respectively in top tube before
Portion and the down tube of postmedian, described linkage is the double link device being made up of upper connecting rod and lower link, and four described
The two ends of double link device wheel carrier the most corresponding thereto and down tube are hinged, and double link device and wheel carrier and vehicle frame
Mutually constituting a parallelogram attachment structure between down tube, four described shock absorbers are respectively arranged on four described doubly-linkeds
Between upper connecting rod and the top tube part corresponding thereto of lever apparatus.
Further, described shock absorber includes shock absorber strut, shock-proof spring and elastic force adjustment block, the two ends of described shock absorber strut
All being connected by bolt is fixing with upper connecting rod and top tube respectively, described shock-proof spring is sheathed on shock absorber strut, described
Elastic force adjustment block is connected with shock absorber strut screw top, and the identical length of the shock-proof spring of four shock absorbers is same.
Further, the two ends of the upper and lower connecting rod of described double link device are all by support and the spiral shell of a U-shaped profile
Bolt is hinged with wheel carrier and down tube respectively.
Further, described left and right vehicle frame is hinged by a fold mechanism, and described fold mechanism includes left intersection
Cap ned, right intersection cap ned, left cross link, right cross link, draw-in groove, engaging lug and connecting portion, twice of left and right vehicle frame
Guan Jun connects by the connecting portion described in is fixing, and two connecting portions are provided with the engaging lug described in a pair, left and right vehicle frame
Being provided with the draw-in groove described in a pair on upper pipe, one end respective seat of described left and right intersection cap ned is on respective vehicle frame
In a pair draw-in groove, the other end of left and right intersection cap ned respectively with a pair engaging lug cross-articulation on left and right vehicle frame, described
Left and right cross link be correspondingly arranged on the upper pipe of left and right vehicle frame, and left cross link and the left cap ned rod hinge connection that intersects,
Right cross link and the right cap ned rod hinge connection that intersects.
Further, on described left and right rear wheel frame, a device preventing tilting, described device preventing tilting it are respectively arranged with
Including connecting rod and trundle, one end of two described connecting rods is fixing with left and right rear wheel frame respectively to be connected, its other end left and right
Both sides are equipped with a described trundle.
Further, described left and right rear wheel frame is gear tank tower, is provided with a left side between left gear tank tower and left rear wheel
Motor, is provided with right motor between right gear tank tower and off hind wheel.
The invention has the beneficial effects as follows: the collapsible shock-proof wheel chair of the present invention not only has four-wheel independence shock-absorbing effect well
Really, and the riding stability of its integrated connection rigidity and four wheels is the best, and meanwhile, it also has and folds folding merit
Energy.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the collapsible shock-proof wheel chair of the present invention.
Fig. 2 is the left view of the collapsible shock-proof wheel chair of the present invention.
Fig. 3 is the front-wheel of the collapsible shock-proof wheel chair of present invention schematic diagram when travelling on uneven road surface, highland.
Fig. 4 is the trailing wheel of the collapsible shock-proof wheel chair of present invention schematic diagram when travelling on uneven road surface, highland.
Fig. 5 is the front view of the collapsible shock-proof wheel chair of the present invention.
Fig. 6 is the front view after the collapsible shock-proof wheel chair of the present invention folds folding.
Figure is labeled as: 1-the near front wheel, 2-off-front wheel, 3-left rear wheel, 4-off hind wheel, the left front wheel carrier of 5-, 6-off-front wheel frame,
The left back wheel carrier of 7-, 8-off hind wheel frame, the upper connecting rod of 9-, 10-lower link, 11-U shape support, 12-shock absorber, 13-shock absorber strut, 14-bullet
Power regulating block, 15-shock-proof spring, the left top tube of 16-, the right top tube of 17-, 18-left intersection cap ned, the right intersection of 19-
Cap ned, 20-draw-in groove, the left cross link of 21-, the right cross link of 22-, 23-connecting portion, 24-engaging lug, the right motor of 25-, 26-
Left motor, 27-device preventing tilting, down tube before the right vehicle frame of 28-, 29-right vehicle frame down tube, down tube before the left vehicle frame of 30-, the left car of 31-
Frame down tube, 32-left intersection cap ned connecting rod, 33-right intersection cap ned connecting rod.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the collapsible shock-proof wheel chair of the present invention, behind the near front wheel 1, off-front wheel 2, left rear wheel 3, the right side
Wheel 4, left front wheel carrier 5, off-front wheel frame 6, left back wheel carrier 7, off hind wheel frame 8, left vehicle frame and right vehicle frame, wherein, the near front wheel 1 is with left front
Wheel carrier 5 is connected, and off-front wheel 2 is connected with off-front wheel frame 6, and left rear wheel 3 is connected with left back wheel carrier 7, off hind wheel 4 and off hind wheel frame 8 phase
Even；Described left and right vehicle frame all includes a top tube and two down tubes laying respectively at vehicle frame middle front part and postmedian,
Before the most left top tube 16, left vehicle frame before down tube 30 and left vehicle frame down tube 31 and right top tube 17, right vehicle frame down tube 28 and
Right vehicle frame down tube 29, and the forward and backward down tube of left and right vehicle frame is all fixedly linked by a junction 23, the two of left and right vehicle frame are even
Connect and be respectively arranged with a pair engaging lug 24 near frame inside in portion 23, the upper pipe of left and right vehicle frame is provided with a pair draw-in groove
20, in the two pairs of draw-in grooves 20 then one end that left and right two intersect cap ned being respectively located on left and right vehicle frame, the most left intersection work
In the cabinet frame 18 a pair draw-in groove 20 on left vehicle frame, in the right intersection cap ned 19 a pair draw-in groove 20 on right vehicle frame, left,
The other end of right intersection cap ned respectively with a pair engaging lug 24 cross-articulation on left and right vehicle frame, the most left intersection cap ned 18
The other end be hinged with a pair engaging lug 24 on right vehicle frame, a pair on the other end of right intersection cap ned 19 and left vehicle frame
Engaging lug 24 is hinged, and left top tube 16 is additionally provided with a left cross link 21, and left cross link 21 and left work of intersecting
Cabinet frame connecting rod 32 is hinged, and right top tube 17 is also equipped with a right cross link 22, and right cross link 22 is intersected with right
Cap ned connecting rod 33 is hinged.
Described left front wheel carrier, left back wheel carrier, off-front wheel frame and off hind wheel frame all by a linkage respectively with left and right car
The forward and backward down tube of frame is hinged, and described linkage is the double link device being made up of upper and lower connecting rod, upper connecting rod 9 and lower company
The two ends of bar 10 are all cut with scissors mutually by the support 11 of a U-shaped profile and bolt wheel carrier the most corresponding thereto and down tube
Connect, and make mutually to constitute between upper and lower connecting rod and wheel carrier and down tube a parallelogram attachment structure, the most left front wheel carrier
5 with left vehicle frame before down tube 28 and off hind wheel before down tube 30, left back wheel carrier 7 and left vehicle frame down tube 31, off-front wheel frame 6 and right vehicle frame
Frame 8 is all hinged by described double link device with right vehicle frame down tube 29.Upper company at four described double link devices
It is provided with a shock absorber 12 between bar 9 and top tube part corresponding thereto, is i.e. connected with down tube 30 before left vehicle frame
The upper connecting rod 9 that with left top tube 16 front end, is connected with left vehicle frame down tube 31 of upper connecting rod 9 and left top tube 16 rear end,
The upper connecting rod 9 being connected with down tube 28 before right vehicle frame and right top tube 17 front end and the upper connecting rod being connected with right vehicle frame down tube 29
Being provided with a shock absorber 12 between 9 and right top tube 17 rear end, described shock absorber 12 includes shock absorber strut 13, shock-absorbing bullet
Spring 15 and elastic force regulating block 14, the two ends of described shock absorber strut 13 all connect by bolt is fixing with upper connecting rod 9 and top tube respectively
Connecing, described shock-proof spring 15 is sheathed on shock absorber strut 13, and described elastic force regulating block 14 is by screw thread and shock absorber strut 13 top
Connect, and the length of the shock-proof spring 15 of four shock absorbers 12 is the longest and equal.
Owing to four shock absorbers of the collapsible shock-proof wheel chair of the present invention are arranged at the upper connecting rod of four double link devices
And between the upper pipe of left and right vehicle frame, and the length of the shock-proof spring of four shock absorbers is the longest and equal, so the present invention's can
Fold shock-proof wheel chair and there is the best four-wheel independence shock-proof effect.Again due to four of collapsible shock-proof wheel chair of the present invention
Wheel carrier is all hinged by the forward and backward down tube of double link device with left and right vehicle frame, and double link device and wheel carrier and down tube
Between mutually constitute a parallelogram attachment structure, so the coupling stiffness between wheel carrier and vehicle frame is improved,
Meanwhile, as shown in Figure 3, Figure 4, due between double link device and wheel carrier and the down tube of the collapsible shock-proof wheel chair of the present invention
Constitute special parallelogram attachment structure so that four wheels of the collapsible shock-proof wheel chair of the present invention are running over
Cheng Zhongneng keeps vertical with ground all the time, enhances the stability of wheels travel.It addition, as shown in Figure 5, Figure 6, due to the present invention
The connection side that the left and right vehicle frame of collapsible shock-proof wheel chair have employed left and right intersection cap ned and left and right cross link is hinged
Formula so that the collapsible shock-proof wheel chair of the present invention has and folds folder function, reduces taking up room of wheelchair.
In order to prevent the collapsible shock-proof wheel chair run-off the straight in the process of moving of the present invention, left and right rear wheel frame divides
Not being provided with a device preventing tilting 27, described device preventing tilting 27 includes a connecting rod and two trundles, wherein, left connecting rod
One end fixing with left back wheel carrier 7 be connected, the arranged on left and right sides of the other end of left connecting rod is respectively equipped with a described trundle,
One end of right connecting rod is fixing with off hind wheel frame 8 to be connected, and the arranged on left and right sides of the other end of right connecting rod is respectively equipped with a dolly equally
Wheel.
When the collapsible shock-proof wheel chair of the present invention needs to use as an electric wheelchair, only need to be by left back wheel carrier 7
Replace with left gear tank tower, off hind wheel frame 8 is replaced with right gear tank tower, the most again between left gear tank tower and left rear wheel 3
And between right gear tank tower and off hind wheel 4, it is respectively provided with a left motor 26 and a right motor 25, left motor 26 and right motor
25 respectively gearbox drive with respective gears tank tower be connected, the collapsible shock-proof wheel chair of the present invention can be made to have electric running
Function, and the most stable, collapsible.
Claims (7)
- The most collapsible shock-proof wheel chair, including the near front wheel (1), off-front wheel (2), left rear wheel (3), off hind wheel (4), left front wheel carrier (5), Off-front wheel frame (6), left back wheel carrier (7), off hind wheel frame (8), left vehicle frame and right vehicle frame, wherein, left and right front-wheel is corresponding and left and right Front wheel carrier is connected, and the corresponding and left and right rear wheel frame of left and right trailing wheel is connected, and described left and right vehicle frame is connected with each other, it is characterised in that: Described left and right front wheel carrier and left and right rear wheel frame all by a linkage respectively with the front end of described left and right vehicle frame and after End is hinged, and is provided with shock absorber (12) in described four between linkage and frame section corresponding thereto.
- Collapsible shock-proof wheel chair the most according to claim 1, it is characterised in that: described left and right vehicle frame all includes one Top tube and two down tubes laying respectively at top tube middle front part and postmedian, described linkage is by upper company The double link device that bar (9) and lower link (10) are constituted, the two ends of four described double link devices are distinguished the most corresponding thereto Wheel carrier and down tube are hinged, and mutually constitute a parallelogram even between double link device and wheel carrier and down tube Access node structure, four described shock absorbers (12) are respectively arranged on the upper connecting rod (9) and corresponding thereto of four described double link devices Between the top tube part answered.
- Collapsible shock-proof wheel chair the most according to claim 2, it is characterised in that: described shock absorber (12) includes shock absorber strut (13), shock-proof spring (15) and elastic force regulating block (14), the two ends of described shock absorber strut (13) all by bolt respectively with upper connecting rod (9) and top tube is fixing connects, described shock-proof spring (15) is sheathed on shock absorber strut (13), described elastic force regulating block (14) being connected with shock absorber strut (13) top by screw thread, the identical length of the shock-proof spring (15) of four shock absorbers (12) is same.
- Collapsible shock-proof wheel chair the most according to claim 2, it is characterised in that: the upper and lower connecting rod of described double link device Two ends all supports (11) and bolt by a U-shaped profile be hinged with wheel carrier and down tube respectively.
- Collapsible shock-proof wheel chair the most according to claim 2, it is characterised in that: described left and right vehicle frame is by a folding Mechanism is hinged, and described fold mechanism includes left intersection cap ned (18), right intersection cap ned (19), draw-in groove (20), a left side Cross link (21), right cross link (22), connecting portion (23) and engaging lug (24), two down tubes of left and right vehicle frame are all by one Described connecting portion (23) is fixing to be connected, and two connecting portions (23) are provided with the engaging lug (24) described in a pair, left and right vehicle frame Upper pipe on be provided with the draw-in groove (20) described in a pair, one end respective seat of described left and right intersection cap ned is in respective car In a pair draw-in groove (20) on frame, the other end of left and right intersection cap ned respectively with a pair engaging lug (24) on left and right vehicle frame Cross-articulation, described left and right cross link is correspondingly arranged on the upper pipe of left and right vehicle frame, and left cross link (21) and left friendship Fork cap ned connecting rod (32) is hinged, and right cross link (22) is hinged with the right cap ned connecting rod (33) that intersects.
- Collapsible shock-proof wheel chair the most according to claim 1, it is characterised in that: on described left and right rear wheel frame respectively Being provided with a device preventing tilting (27), described device preventing tilting (27) includes connecting rod and trundle, the one of two described connecting rods End is fixing with left and right rear wheel frame respectively to be connected, and the arranged on left and right sides of its other end is equipped with a described trundle.
- Collapsible shock-proof wheel chair the most according to claim 1, it is characterised in that: described left and right rear wheel frame is gear Tank tower, is provided with left motor (26) between left gear tank tower and left rear wheel (3), sets between right gear tank tower and off hind wheel (4) There is right motor (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740763.9A CN106214374A (en) | 2016-08-29 | 2016-08-29 | Collapsible shock-proof wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740763.9A CN106214374A (en) | 2016-08-29 | 2016-08-29 | Collapsible shock-proof wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106214374A true CN106214374A (en) | 2016-12-14 |
Family
ID=57554827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610740763.9A Pending CN106214374A (en) | 2016-08-29 | 2016-08-29 | Collapsible shock-proof wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106214374A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714330A (en) * | 2017-11-10 | 2018-02-23 | 左国刚 | Intelligent wheel chair and its rotating direction control method |
| CN110090118A (en) * | 2018-01-31 | 2019-08-06 | 四川阿斯特医疗器械有限公司 | Full fully collapsible invalid's chair |
-
2016
- 2016-08-29 CN CN201610740763.9A patent/CN106214374A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714330A (en) * | 2017-11-10 | 2018-02-23 | 左国刚 | Intelligent wheel chair and its rotating direction control method |
| CN110090118A (en) * | 2018-01-31 | 2019-08-06 | 四川阿斯特医疗器械有限公司 | Full fully collapsible invalid's chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |