CN206334032U - A kind of running gear of six center wheel drive power wheelchairs - Google Patents
A kind of running gear of six center wheel drive power wheelchairs Download PDFInfo
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- CN206334032U CN206334032U CN201620852990.6U CN201620852990U CN206334032U CN 206334032 U CN206334032 U CN 206334032U CN 201620852990 U CN201620852990 U CN 201620852990U CN 206334032 U CN206334032 U CN 206334032U
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- wheel
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- sprocket
- transmission mechanism
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Abstract
The utility model is related to a kind of running gear of six center wheel drive power wheelchairs, support frame including supporting seat, also include two walking mechanisms for being separately positioned on the support frame left and right sides, walking mechanism includes the first road wheel, the second road wheel, the third line and walks wheel, driving shaft, transmission mechanism and drive mechanism, drive mechanism is arranged on support frame, driving shaft is rotatably installed on drive mechanism or support frame, drive mechanism driving driving shaft is rotated, and driving shaft drives the first road wheel, the second road wheel and the third line to walk to take turns synchronous axial system by transmission mechanism.Two walking mechanisms of the utility model are separately positioned on the support frame left and right sides, each walking mechanism includes three road wheels, each road wheel is driving wheel, with driving locomotor activity, the ability for making wheelchair have very strong cross-country and stair activity, two walking mechanisms are operated alone and controlled, and realize the functions such as advance, retrogressing, left and right turning, the pivot stud of wheelchair, wheelchair one man operation, walks convenient, flexible.
Description
Technical field
The utility model is related to the walking mechanism of wheelchair, belongs to wheelchair technical field, particularly a kind of six center wheel drive power wheelchair
Running gear.
Background technology
Wheelchair is that a kind of personage to inconvenient walking provides the instrument that trade association helps.Current electric wheelchair substantially has following
It is several：
Electronic star wheel type wheelchair：The driving wheel being made up of 3 star-wheels, 4 star-wheels, 5 star-wheels etc., or have other auxiliary wheels concurrently.Only
Suitable for stair activity, others is also needed to sometimes and is helped, level road walking is inconvenient；Because star-wheel position is fixed, to step chi
Very little to there are certain requirements, applicable surface is narrow.
Electronic pure crawler-type wheel chair：Can with stair activity, also can level walking, cross-country power is strong, but cost is high, crawler belt
Rapid wear, not yet can large-scale popularization.
Common electric wheelchair：It is general to have 2 wheel drivings, also there are 4 wheel drivings, generally in level walking, can pass through
Less big obstacle, is difficult stair activity.
Electric mixed wheelchair：The wheelchair has two sets of walking mechanisms, and wheel during level walking rises in upper of hour wheel downstairs
Rise, creeper undercarriage falls stair climbing；Conversely, during level walking, creeper undercarriage rises, wheel walking mechanism falls row
Walk.This kind of Wheelchair structure complexity, cost are high, it is difficult to popularization and application.
Carrying type wheelchair：Conventional manual wheelchair, is padded into a small chassis of electric caterpillar band walking and fixation below, need to be by another
One people manipulates caterpillar drive stair activity, extremely inconvenient.
In above-mentioned several wheelchairs, some also need to wheelchair people when going upstairs and facing away from stair, on visual angle very not
Custom.
The content of the invention
In order to solve the problem of above-mentioned wheelchair is present, the utility model provides a kind of energy stair activity and the cross-country row in road surface
Walk the running gear of six superpower center wheel drive power wheelchairs of ability.
To achieve these goals, the utility model provides a kind of running gear of six center wheel drive power wheelchairs, including support
The support frame of seat, it is characterised in that described also including two walking mechanisms for being separately positioned on the support frame as described above left and right sides
Walking mechanism includes the first road wheel, the second road wheel, the third line and walks wheel, driving shaft, transmission mechanism and drive mechanism, driving machine
Structure is arranged on support frame, and driving shaft is rotatably installed on drive mechanism or support frame, and drive mechanism driving driving shaft turns
Dynamic, driving shaft drives the first road wheel, the second road wheel and the third line to walk to take turns synchronous axial system by transmission mechanism.
The running gear for six center wheel drive power wheelchairs that the utility model is provided, it is left that two walking mechanisms are separately positioned on support frame
Right both sides, each walking mechanism includes three road wheels, and each road wheel is driving wheel, with driving locomotor activity, makes wheel
Chair tool has the ability of very strong cross-country and stair activity, and two walking mechanisms are operated alone and controlled, realize wheelchair advance, after
Move back, left and right turnings, the function such as pivot stud, wheelchair one man operation, walking is convenient, flexible.
Further, the walking mechanism also includes two-wheel support, and two-wheel support can turn around the axis of the driving shaft
Dynamic, first road wheel and the second road wheel can be rotatably set on two-wheel support, and described the third line walks wheel and is arranged on institute
State on support frame, the transmission mechanism includes the first transmission mechanism and the second transmission mechanism, the driving shaft passes through the first transmission
Mechanism drives the first road wheel and the second road wheel synchronous axial system, and the driving shaft drives the third line to walk by the second transmission mechanism
Wheel is rotated.At the uneven road surface of stair activity or walking, two-wheel support can be rotated to adjust position around the axis of driving shaft
Put, it is ensured that three road wheels of walking mechanism are all contacted with road surface, stair climbing ability is stronger, it is more steady to walk.
Brief description of the drawings
Fig. 1 is the main view direction structure schematic diagram of embodiment one；
Fig. 2 is the overlook direction structural representation of embodiment one；
Fig. 3 is state diagram when embodiment one is gone upstairs；
Fig. 4 is another state diagram when embodiment one is gone upstairs；
Fig. 5 is state diagram when embodiment one is gone downstairs；
Fig. 6 is another state diagram when embodiment one is gone downstairs.
Fig. 7 is the main view direction structure schematic diagram of embodiment two；
Fig. 8 is the overlook direction structural representation of embodiment two.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment
Embodiment one
Referring to Fig. 1 and Fig. 2, the running gear of six center wheel drive power wheelchairs includes the support frame 1 and two vehicle with walking machine of support seat
Structure, two walking mechanisms are separately positioned on the left and right sides of support frame 1.Each walking mechanism is walked including two-wheel support 3, first
The 21, second road wheel 22 of wheel, the third line walk wheel 23, driving shaft 4, transmission mechanism and drive mechanism.Drive mechanism is arranged on support
On frame 1, including motor 7, decelerator 8 and speed changer 9, motor 7 passes sequentially through decelerator 8 and the driving driving shaft 4 of speed changer 9 revolves
Turn.Motor 7 preferentially uses direct current generator, and decelerator 8 preferentially uses turbine and worm decelerator, turbine and worm decelerator gearratio
Greatly, compact conformation, rotate backward self-locking, wheelchair retroversion is prevented from when going up a slope or going upstairs, the safety that uses of wheelchair is improved
Property and comfortableness.Driving shaft 4 is rotatably installed on the casing of speed changer 9, can also be arranged on support frame 1.
The outside of driving shaft 4 is provided with axle sleeve, and two-wheel support 3 is connected as one with axle sleeve, and two-wheel support 3 can be around driving shaft
4 axis is rotated.First road wheel 21, the second road wheel 22 can be rotatably set on two-wheel support 3.Transmission mechanism includes the
One transmission mechanism and the second transmission mechanism, driving shaft 4 drive the first road wheel 21 and the second road wheel by the first transmission mechanism
22 synchronous axial systems.First road wheel 21 and the equal diameters of the second road wheel 22, the first road wheel 21 and the second road wheel 22 are synchronous
Constant velocity rotation.First transmission mechanism includes duplex driving wheel 53, the first chain 54, the first sprocket wheel 51 and the second sprocket wheel 52.Duplex
Driving wheel 53 is placed coaxially on driving shaft 4, follows driving shaft 4 to rotate together.First sprocket wheel 51 is coaxially disposed the first row
In the rotating shaft for walking wheel 21, the first road wheel 21 is driven to rotate together.Second sprocket wheel 52 is coaxially disposed turning for the second road wheel 22
On axle, the second road wheel 22 is driven to rotate together.First chain 54 and duplex driving wheel 53, the first sprocket wheel 51 and the second sprocket wheel 52
Engagement, duplex driving wheel 53 drives the first road wheel 21 and second by the first chain 54, the first sprocket wheel 51 and the second sprocket wheel 52
The synchronous axial system together of road wheel 22.Two-wheel support 3 can be rotated around the axis of driving shaft 4, uneven in stair activity or walking
Road surface when, two-wheel support can adjust the position of the first road wheel 21 and the second road wheel 22 according to pavement behavior rotation, really
Protect the first road wheel 21 and the second road wheel 22 is contacted with road surface, driving force is strong, stair climbing ability is stronger, walks and more put down
Surely.
Referring to Fig. 1, tensioning wheel 55 is additionally provided with two-wheel support 3, tensioning wheel 55 is engaged with the first chain 54, and the first chain
Bar 54 presses to the sprocket wheel 51 of duplex driving wheel 53 and first, and tensioning wheel 55 can not only improve the sprocket wheel 51 of duplex driving wheel 53 and first
Cornerite, and the first chain 54 can be tensioned, make the transmission of the first transmission mechanism relatively reliable, steady.
Referring to 1 and Fig. 2, the third line is walked wheel 23 and is arranged on support frame 1.Second transmission mechanism includes driving wheel the 63, the 3rd
The chain 62 of sprocket wheel 61 and second, driving wheel 63 is placed coaxially on driving shaft 4, follows driving shaft 4 to rotate together.3rd sprocket wheel
61, which are placed coaxially on the third line, walks in the rotating shaft of wheel 23, drives the third line to walk wheel 23 and rotates together.Second chain 62 and active
The sprocket wheel 61 of wheel 63 and the 3rd is engaged, and driving wheel 63 drives the third line to walk the rotation of wheel 23 by the second chain 62 and the 3rd sprocket wheel 61.
Because duplex driving wheel 53 and driving wheel 63 are coaxially disposed with driving shaft 4, with the synchronous axial system of driving shaft 4, the first walking
Take turns the 21, second road wheel 22 and the third line and walk the also synchronous axial system together of wheel 23.The third line walks the diameter and the first road wheel of wheel 23
21st, the equal diameters of the second road wheel 22, the synchronous constant velocity rotation of three road wheels, the cross-country and stair climbing ability of wheelchair is stronger.
Referring to Fig. 2, duplex driving wheel 53 and driving wheel 63 are separately positioned on the both sides of two-wheel support 3, duplex driving wheel 53
In the outside of two-wheel support 3, driving wheel 63 is in the inner side of two-wheel support 3, and this just makes the first transmission mechanism and the second transmission mechanism
It is also set, respectively on the both sides of two-wheel support 3, it is two transmission mechanism separate transmissions, non-interference, and structure is compacter.
Referring to Fig. 3, wheelchair is when going upstairs step, and three road wheels of walking mechanism revolve along the direction of arrow in the figure
Turn, the first road wheel 21 and the second road wheel 22 are upper on step, and the third line, which is walked, takes turns 23 also on level land, now two-wheel support
3 are rotated centered on the axis of driving shaft 4, and three road wheels all fall to be contacted on the spot, with ground.Referring to Fig. 4, stairway step is
Substantially cover, the first road wheel 21 and the second road wheel 22 have climbed up flooring, and the third line walks wheel 23 also on step, now two-wheel
Support 3 is rotated centered on the axis of driving shaft 4 and have adjusted position.
Referring to Fig. 5, wheelchair when going downstairs, the first road wheel 21 under to first step, the second road wheel 22 and
Three road wheels 23 are also on flooring, and now two-wheel support 3 is rotated centered on the axis of driving shaft 4 and have adjusted position.Referring to figure
6, the first road wheel 21 and the second road wheel 22 have first gone down stair and have set foot on flooring, and the third line walks wheel 23 also in last step
On, now two-wheel support 3 is rotated centered on the axis of driving shaft 4 and have adjusted position.Walk further along, that is, return to level road walking
State (shown in Fig. 1).
Embodiment two
In embodiment two, the two-wheel support 3 of embodiment one is eliminated, three road wheels are set directly at support frame 1
On, this specification is referred to as fixed, using the running gear of fixed six center wheel drive power wheelchair, can also realize stair climbing and
Road surface is walked, but stair climbing ability does not have embodiment one good.Its transmission mechanism can be other forms, and embodiment two is only a variety of
It is wherein relatively simple a kind of in form.
Referring to Fig. 7 and Fig. 8, the running gear of the center wheel drive power wheelchair of the present embodiment six includes the support frame 1 and two of support seat
Individual walking mechanism, two walking mechanisms are separately positioned on the left and right sides of support frame 1.Each walking mechanism includes the first road wheel
21st, the second road wheel 22, the third line walk wheel 23, driving shaft 4, transmission mechanism and drive mechanism.Drive mechanism is arranged on support frame 1
On, including motor 7, decelerator 8 and speed changer 9, motor 7 passes sequentially through decelerator 8 and the driving driving shaft 4 of speed changer 9 rotates.Electricity
Machine 7 preferentially uses direct current generator, and decelerator 8 preferentially uses turbine and worm decelerator, and turbine and worm decelerator gearratio is big, structure
It is compact, rotate backward self-locking, wheelchair retroversion is prevented from when going up a slope or going upstairs, the security that uses of wheelchair is improved and comfortable
Property.Driving shaft 4 is arranged on the casing of speed changer 9, can also be arranged on support frame 1.
First road wheel 21, the second road wheel 22 and the third line are walked wheel 23 and are arranged on support frame 1, and three road wheels are straight
Footpath is equal, is arranged on the sustained height position of support frame 1.Transmission mechanism includes the first driving wheel 57, the first chain 54, the first chain
Take turns the 51, second sprocket wheel 52, the 3rd sprocket wheel 61, the 4th sprocket wheel 64 and the second chain 62.First driving wheel 57 is placed coaxially on master
On moving axis 4, driving shaft 4 is followed to rotate together.First sprocket wheel 51 is coaxially disposed in the rotating shaft of the first road wheel 21, drives first
Road wheel 21 rotates together.Second sprocket wheel 52 and the 4th sprocket wheel 64 are duplicate sprockets, are coaxially disposed turning for the second road wheel 22
On axle, the second road wheel 22 is driven to rotate together.3rd sprocket wheel 61 is coaxially disposed the third line and walked in the rotating shaft of wheel 23, drives the
Three road wheels 23 rotate together.First chain 54 is engaged with the first driving wheel 57, the first sprocket wheel 51 and the second sprocket wheel 52, the second chain
Articles 62 engage with the 3rd sprocket wheel 61 and the 4th sprocket wheel 64, and the first driving wheel 57 passes through the first chain 54, the first sprocket wheel 51 and second
Sprocket wheel 52 drives the first road wheel 21 and the second road wheel 22 synchronous constant velocity rotation, and pass through the second chain 62, the 3rd chain together
The sprocket wheel 64 of wheel 61 and the 4th drives the third line to walk the synchronous axial system together of wheel 23, three road wheels synchronous constant velocity rotation together.
Referring to Fig. 7, tensioning wheel 55 is additionally provided with support frame 1, tensioning wheel 55 is engaged with the first chain 54, and the first chain
54 press to the first driving wheel 57 and the first sprocket wheel 51, and tensioning wheel 55 can not only increase the bag of the first driving wheel 57 and the first sprocket wheel 51
Angle, and the first chain 54 can be tensioned, make the transmission of transmission mechanism relatively reliable, steady.
The running gear for six center wheel drive power wheelchairs that the utility model is provided, it is left that two walking mechanisms are separately positioned on support frame
Right both sides, each walking mechanism includes three road wheels, and each road wheel is driving wheel, with driving locomotor activity, makes wheel
Chair tool has the ability of very strong cross-country and stair activity, and two walking mechanisms are operated alone and controlled, realize wheelchair advance, after
Move back, left and right turnings, the function such as pivot stud, wheelchair one man operation, walking is convenient, flexible.
Claims (9)
1. a kind of running gear of six center wheel drive power wheelchairs, includes the support frame (1) of support seat, it is characterised in that also including dividing
It is not arranged on two walking mechanisms of support frame as described above (1) left and right sides, the walking mechanism includes the first road wheel (21), the
Two road wheels (22), the third line walk wheel (23), driving shaft (4), transmission mechanism and drive mechanism, and drive mechanism is arranged on support frame
(1) on, driving shaft (4) is arranged on drive mechanism or support frame (1), and drive mechanism driving driving shaft (4) is rotated, driving shaft
(4) the first road wheel (21), the second road wheel (22) and the third line is driven to walk wheel (23) synchronous axial system by transmission mechanism.
2. the running gear of six center wheel drive power wheelchair according to claim 1, it is characterised in that the walking mechanism also includes
Two-wheel support (3), two-wheel support (3) can be rotated around the axis of the driving shaft (4), first road wheel (21) and second
Road wheel (22) can be rotatably set on two-wheel support (3), and described the third line walks wheel (23) and is arranged on support frame as described above (1)
On, the transmission mechanism includes the first transmission mechanism and the second transmission mechanism, and the driving shaft (4) passes through the first transmission mechanism band
Dynamic first road wheel (21) and the second road wheel (22) synchronous axial system, the driving shaft (4) pass through the second transmission mechanism drive the
Three road wheels (23) are rotated.
3. the running gear of six center wheel drive power wheelchair according to claim 2, it is characterised in that the first transmission mechanism bag
Duplex driving wheel (53), the first chain (54), the first sprocket wheel (51) and the second sprocket wheel (52) are included, second transmission mechanism includes
Driving wheel (63), the 3rd sprocket wheel (61) and the second chain (62), duplex driving wheel (53) and driving wheel (63) are placed coaxially on
On driving shaft (4), the first sprocket wheel (51) is coaxially disposed in the rotating shaft of the first road wheel (21), and the second sprocket wheel (52) is coaxially set
In the rotating shaft for putting the second road wheel (22), the first chain (54) and duplex driving wheel (53), the first sprocket wheel (51) and the second sprocket wheel
(52) engage, the 3rd sprocket wheel (61) is coaxially disposed the third line and walked in the rotating shaft of wheel (23), the second chain (62) and driving wheel
(63) engaged with the 3rd sprocket wheel (61).
4. the running gear of six center wheel drive power wheelchair according to claim 3, it is characterised in that the duplex driving wheel (53)
The both sides of the two-wheel support (3) are separately positioned on driving wheel (63).
5. the running gear of six center wheel drive power wheelchair according to claim 1, it is characterised in that first road wheel
(21), the second road wheel (22) and the third line are walked wheel (23) and are arranged on support frame as described above (1).
6. the running gear of six center wheel drive power wheelchair according to claim 5, it is characterised in that the transmission mechanism includes the
One driving wheel (57), the first chain (54), the first sprocket wheel (51), the second sprocket wheel (52), the 3rd sprocket wheel (61), the 4th sprocket wheel (64)
With the second chain (62), the first driving wheel (57) is placed coaxially on driving shaft (4), and the first sprocket wheel (51) is coaxially disposed
In the rotating shaft of one road wheel (21), the second sprocket wheel (52) and the 4th sprocket wheel (64) are coaxially disposed the rotating shaft of the second road wheel (22)
On, the 3rd sprocket wheel (61) is coaxially disposed the third line and walked in the rotating shaft of wheel (23), the first chain (54) and the first driving wheel (57),
First sprocket wheel (51) and the second sprocket wheel (52) engagement, the second chain (62) are engaged with the 3rd sprocket wheel (61) and the 4th sprocket wheel (64).
7. the running gear of six center wheel drive power wheelchairs according to any one of claim 1 to 6, it is characterised in that the driving
Mechanism includes motor (7), decelerator (8) and speed changer (9), and motor (7) passes sequentially through decelerator (8) and speed changer (9) driving
Driving shaft (4) rotation, the decelerator (8) is turbine and worm decelerator.
8. the running gear of six center wheel drive power wheelchair according to claim 7, it is characterised in that first road wheel
(21), the second road wheel (22) and the third line walk wheel (23) equal diameters.
9. the running gear of six center wheel drive power wheelchair according to claim 4, it is characterised in that on the two-wheel support (3)
Tensioning wheel (55) is additionally provided with, tensioning wheel (55) is engaged with the first chain (54), and the first chain (54) is pressed to duplex driving wheel
(53) and the cornerites of duplex driving wheel (53) is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620852990.6U CN206334032U (en) | 2016-08-09 | 2016-08-09 | A kind of running gear of six center wheel drive power wheelchairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620852990.6U CN206334032U (en) | 2016-08-09 | 2016-08-09 | A kind of running gear of six center wheel drive power wheelchairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206334032U true CN206334032U (en) | 2017-07-18 |
Family
ID=59299517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620852990.6U Expired - Fee Related CN206334032U (en) | 2016-08-09 | 2016-08-09 | A kind of running gear of six center wheel drive power wheelchairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206334032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966068A (en) * | 2019-02-26 | 2019-07-05 | 刘铭豪 | Intelligent elder's electric wheel-chair vehicle |
-
2016
- 2016-08-09 CN CN201620852990.6U patent/CN206334032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966068A (en) * | 2019-02-26 | 2019-07-05 | 刘铭豪 | Intelligent elder's electric wheel-chair vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20190809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |