CN206167216U - Drive arrangement of bidentate group structure for wheelchair - Google Patents
Drive arrangement of bidentate group structure for wheelchair Download PDFInfo
- Publication number
- CN206167216U CN206167216U CN201620849718.2U CN201620849718U CN206167216U CN 206167216 U CN206167216 U CN 206167216U CN 201620849718 U CN201620849718 U CN 201620849718U CN 206167216 U CN206167216 U CN 206167216U
- Authority
- CN
- China
- Prior art keywords
- tooth
- flexible axle
- knob
- actuating arm
- gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a wheelchair equipment technical field, concretely relates to drive arrangement of bidentate group structure for wheelchair, it includes the actuating arm, and the top of this actuating arm is provided with the executor of shifting, and the bottom of actuating arm is provided with the fixed plate, is provided with the metal flexible axle in the actuating arm, and the top of metal flexible axle links to each other with the executor of shifting, and the bottom of metal flexible axle links to each other with the two -way clutch assembly, be provided with the swing fork on the two -way clutch assembly to link to each other through the swing fork fixed plate with the actuating arm bottom, form the actuating lever subassembly, its adopts straight -tooth group transmission structures of changing planes, through metal flexible axle transmission two -way clutch's mechanism of umbrella tooth group, forms the actuating mechanism of bidentate group, utilizes mechanism of umbrella tooth group to control the shift, utilize two -way clutch realize ging forward fender, neutral gear and retreat three of fender keep off between the switching, it has simple structure, the structure transmission of bidentate group, and the transmission is smooth and easy, and work efficiency is high.
Description
【Technical field】
This utility model is related to wheelchair equipment technical field, and in particular to a kind of wheelchair is filled with the driving of bidentate group structure
Put.
【Background technology】
Wheelchair is the important tool of rehabilitation, and it is not only the walking-replacing tool of limbs the disabled and handicapped personage, heavier
What is wanted is them is carried out physical exercise by means of wheelchair and is participated in social activity.Common wheelchair typically by wheelchair frame, wheel, stop
Car device and seat against four parts composition.The action of above-mentioned colony for convenience, typically installs driving means additional on common wheelchair, from
And cause wheelchair that there is power, expand the radius of action of limbs the disabled and handicapped personage.Traditional electric wheelchair is present
Following problem, plus-minus change existing problems of its driving means in acceleration and deceleration and gear ratio, it is impossible to realize Multi-stage speed-changing drive,
Work efficiency is poor.
【Utility model content】
The purpose of this utility model is the defect and deficiency for prior art, there is provided a kind of simple structure, design is closed
Reason, a kind of wheelchair easy to use driving means of bidentate group structure, it is driven converting mechanism using straight-tooth group, soft by metal
Axle transmits the San Chizu mechanisms of bidirectional clutch, forms bidentate group drive mechanism, and shift is controlled using San Chizu mechanisms, utilizes
Bidirectional clutch is come switching between three gears for realizing forward gear, neutral and retreating gear；It has simple structure, and bidentate group structure is passed
It is dynamic, it is driven smooth, high working efficiency.
A kind of wheelchair described in the utility model driving means of bidentate group structure, it includes actuating arm, the actuating arm
Top be provided with shift control device, the bottom of actuating arm is provided with fixed plate, metal flexible axle is provided with actuating arm, and metal is soft
The top of axle is connected with shift control device, and the bottom of metal flexible axle is connected with bidirectional clutch assembly；The bidirectional clutch is total
Into being above provided with swinging fork, and it is connected with the fixed plate of actuating arm bottom by swinging fork, forms actuated lever assemblies.
Further, the shift control device includes knob lower fixed seat, and knob lower fixed seat inner surface setting has interior spiral shell
Stricture of vagina, is provided with fixed screw axle in knob lower fixed seat, lower index dial is provided with fixed screw axle, in the ring disk of lower index dial
Some pearl grooves are provided with, steel ball is provided with pearl groove, index dial is provided with lower index dial, be provided with upper index dial soft
Axle rotation dish, in upper flexible axle rotation dish outer straight-tooth is provided with；The knob lower fixed seat is twisted to be rotary with knob and covered, on knob on lid
Be provided with interior straight-tooth, cap upper surface is provided with counterbore on knob, cover on knob in bottom is provided with and be engaged with outer straight-tooth
Straight-tooth；The bottom body of rod of fixed screw is inserted through the through hole on knob on lid, in the slotted eye in the middle part of the outer straight-tooth of movement；Described,
Interior straight-tooth on upper flexible axle rotation dish, the outer straight-tooth of movement, knob in lid forms straight-tooth group component.
Further, the bidirectional clutch assembly includes fixed plate, and fixed plate top is provided with upper shaft lever, on upper shaft lever
Bearing is provided with, driving tooth, driver plate, roller are from inside to outside disposed with bearing；The fixed plate bottom is provided with lower axle
Bar, is provided with linkage duplex-gear on lower axostylus axostyle, linkage duplex-gear is engaged with driving tooth；It is described linkage duplex-gear include gear wheel and
Little gear, little gear is co-axially located on gear wheel.
Further, the driver plate upper rear portion is provided with auger tooth, and lower flexible axle umbrella tooth, lower flexible axle are engaged with auger tooth
Umbrella tooth is connected with the bottom of metal flexible axle；The auger tooth and lower flexible axle umbrella tooth form umbrella tooth group.
After said structure, this utility model has the beneficial effect that：A kind of wheelchair bidentate group described in the utility model
The driving means of structure, it adopts the actuating arm with shift control device, the metal flexible axle in actuating arm, the connection of metal flexible axle upper end
Straight-tooth group, metal flexible axle bottom arranges umbrella tooth group, forms double umbrella tooth group structures, shift is controlled using umbrella tooth group, using two-way
Driver plate on clutch is come switching between three gears for realizing forward gear, neutral and retreating gear；It has simple structure, double umbrella tooth group knots
Structure is driven, and is driven smooth, high working efficiency.
【Description of the drawings】
Accompanying drawing described herein is further understood to of the present utility model for providing, and constitutes of the application
Point, but do not constitute to improper restriction of the present utility model, in the accompanying drawings：
Fig. 1 is this utility model structural representation；
Fig. 2 is the A-A Section lines of Fig. 1；
Fig. 3 is the explosive view of shift control device of the present utility model；
Fig. 4 is the structural representation covered on knob in Fig. 3；
Fig. 5 is the straight-tooth group element structure schematic diagram in Fig. 3；
Fig. 6 is the structural representation of shift control device of the present utility model；
Fig. 7 is the structural representation of the bidirectional clutch assembly in this utility model；
Fig. 8 is the side view of Fig. 7；
Fig. 9 is the rearview of Fig. 7；
Figure 10 is the structural representation of linkage duplex-gear in this utility model；
Figure 11 is the advance mesh schematic representation of bidirectional clutch of the present utility model；
Figure 12 is not engaging for bidirectional clutch of the present utility model（Neutral gear）Schematic diagram；
Figure 13 is the retrogressing mesh schematic representation of bidirectional clutch of the present utility model.
Description of reference numerals：
1st, actuating arm；2nd, shift control device；201st, fixing nut set；202nd, cover on knob；2021st, interior straight-tooth；203rd, it is solid
Determine screw；204th, the outer straight-tooth of movement；205th, upper flexible axle rotation dish；206th, upper index dial；207th, steel ball；208th, lower index dial；
209th, fixed screw axle；210th, knob lower fixed seat；3rd, metal flexible axle；4th, swinging fork；5th, bidirectional clutch assembly；51st, actively
Tooth；52nd, driver plate；53rd, roller；54th, bearing；55th, link duplex-gear；551st, gear wheel；552nd, little gear；6th, fixed plate；7th, under
Flexible axle umbrella tooth.
【Specific embodiment】
Describe this utility model in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples therein with
And explanation is only used for explaining this utility model, but it is not intended as to restriction of the present utility model.
As shown in figure-Fig. 2, a kind of driving means of bidentate group structure of the wheelchair described in this specific embodiment, it is wrapped
Actuating arm 1 is included, the top of the actuating arm 1 is provided with shift control device 2, and the bottom of actuating arm 1 is provided with fixed plate 6, actuating arm 1
Metal flexible axle 3 is inside provided with, the top of metal flexible axle 3 is connected with shift control device 2, the bottom of metal flexible axle 3 and two-way clutch
Device assembly 5 is connected；It is provided with swinging fork 4 on the bidirectional clutch assembly 5, and consolidating by swinging fork 4 and the bottom of actuating arm 1
Fixed board 6 is connected, and forms drive component.
As shown in figures 3 to 6, the shift control device 2 includes knob lower fixed seat 211, the appearance of knob lower fixed seat 210
Face is provided with external screw thread, knob lower fixed seat 210 and is provided with fixed screw axle 209, is provided with down on fixed screw axle 209 and divides
Scale 208, is provided with some pearl grooves in the ring disk of lower index dial 208, steel ball 207 is provided with pearl groove, sets on lower index dial 208
Index dial 206 is equipped with, flexible axle umbrella tooth 205 is provided with upper index dial 206, be provided with upper flexible axle umbrella tooth 205 mobile outer
Straight-tooth 204；The knob lower fixed seat 210 is twisted and is rotary with lid 202 on knob, is provided with fixing nut set on knob on lid 202
201, the upper surface of lid 202 is provided with through hole on knob, and bottom is provided with and is engaged with the outer straight-tooth 204 of movement in lid 202 on knob
Interior straight-tooth；The bottom body of rod of fixed screw 203 is inserted through the through hole on knob on lid 202, to the outer middle part of straight-tooth 204 of movement
In slotted eye；The upper flexible axle rotation dish 205, the outer straight-tooth 204 of movement, the formation straight-tooth group of interior straight-tooth 2021 on knob in lid 202
Component.
As shown in Fig. 7-Figure 10, the bidirectional clutch assembly 5 includes fixed plate 6, and the top of fixed plate 6 is provided with axle
Bar, is provided with bearing 54 on upper shaft lever, driving tooth 51, driver plate 52, roller 53 are from inside to outside disposed with bearing 54；It is described
The bottom of fixed plate 56 is provided with lower axostylus axostyle, and linkage duplex-gear 55 is provided with lower axostylus axostyle, and linkage duplex-gear 55 is nibbled with driving tooth 51
Close；
As shown in Figure 10, the linkage duplex-gear 55 includes gear wheel 551 and little gear 552, and little gear 552 is coaxially disposed
On gear wheel 551.
As shown in figure 9, the upper rear portion of the driver plate 52 is provided with auger tooth, lower flexible axle umbrella tooth 7 is engaged with auger tooth, under
Flexible axle umbrella tooth 7 is connected with the bottom of metal flexible axle；The auger tooth and lower flexible axle umbrella tooth 7 form umbrella tooth group.
Operation principle of the present utility model is as follows:
Upper flexible axle umbrella tooth 205, the outer straight-tooth 204 of movement, fixed screw 203 form straight-tooth group, actuating arm in shift control device 2
Metal flexible axle 3, the top connection straight-tooth group of metal flexible axle 3, the bottom Connectable umbrella tooth group of metal flexible axle 3, umbrella tooth group are provided with 1
It is made up of auger tooth and lower flexible axle umbrella tooth 7, the upper rear portion of driver plate 52 is provided with auger tooth, lower flexible axle umbrella tooth 7 is engaged with auger tooth.
When using, lid 202 is stirred forward as forward gear on knob, is neutral at centre, after to stir be retreating gear；Rotation
The control of lid 202 straight-tooth group member acts, are driven so as to control metal flexible axle 3 on button, the control umbrella tooth group of metal flexible axle 3, umbrella tooth group
Bidirectional clutch assembly 5 is controlled by controlling driver plate 52 to work, drive the master gear 51 and connection in bidirectional clutch assembly 5
Little gear 552 in dynamic duplex-gear 55 is engaged, so as to realize one-level gear；Linkage duplex-gear 55 in gear wheel 551 in
Driven tooth is engaged, so as to realize that two stage speed change is driven.By above-mentioned I and II gear, so as to realize the speed of bull wheel
Acceleration or deceleration, realize gear ratio add and subtract change.
As shown in figure 11, in this utility model, roller lateral movement to the left under driver plate twisting, roller and clutch inner core,
Driving tooth internal ring is engaged, so as to form one, it is possible to achieve forward travel.
As shown in figure 12, in this utility model, roller under driver plate twisting in centre position, roller and clutch inner core,
Driving tooth internal ring is separated, so as to form actuating arm and clutch separation, it is possible to achieve neutral position sliding.
As shown in figure 13, in this utility model, roller lateral movement to the right under driver plate twisting, roller and clutch inner core,
Driving tooth internal ring is engaged, so as to form one, it is possible to achieve setback.
A kind of wheelchair described in the utility model driving means of bidentate group structure, it adopts the drive with shift control device
Swing arm, the metal flexible axle in actuating arm, metal flexible axle upper end connection straight-tooth group, metal flexible axle bottom arranges umbrella tooth group, forms double
Umbrella tooth group structure, using umbrella tooth group shift is controlled, and forward gear, neutral and retrogressing are realized using the driver plate on bidirectional clutch
Switch between three gears of gear；It has simple structure, and bidentate group structure driven is driven smooth, high working efficiency.
The above is only better embodiment of the present utility model, therefore all according to described in this utility model patent claim
Construction, the equivalence changes done of feature and principle or modification, be included in this utility model patent claim.
Claims (4)
1. a kind of wheelchair driving means of bidentate group structure, it is characterised in that：It includes actuating arm, and the top of the actuating arm sets
Shift control device is equipped with, the bottom of actuating arm is provided with fixed plate, and metal flexible axle, the top of metal flexible axle are provided with actuating arm
It is connected with shift control device, the bottom of metal flexible axle is connected with bidirectional clutch assembly；Arrange on the bidirectional clutch assembly
There is swinging fork, and be connected with the fixed plate of actuating arm bottom by swinging fork, form actuated lever assemblies.
2. a kind of wheelchair according to claim 1 driving means of bidentate group structure, it is characterised in that：The gearshift behaviour
Vertical device includes knob lower fixed seat, and knob lower fixed seat inner surface setting has female thread, in knob lower fixed seat fixation is provided with
Screw shaft, is provided with lower index dial on fixed screw axle, some pearl grooves are provided with the ring disk of lower index dial, is provided with pearl groove
Steel ball, is provided with index dial on lower index dial, flexible axle rotation dish is provided with upper index dial, arranges in upper flexible axle rotation dish
There is outer straight-tooth；The knob lower fixed seat is twisted to be rotary with knob and covered, and is provided with interior straight-tooth on lid on knob, cap upper surface on knob
Counterbore is provided with, interior bottom is covered on knob and is provided with the interior straight-tooth being engaged with outer straight-tooth；The bottom body of rod of fixed screw interts
The through hole on lid on knob is crossed, in the slotted eye in the middle part of the outer straight-tooth of movement；The upper flexible axle rotation dish, the outer straight-tooth of movement, knob
Interior straight-tooth in upper lid forms straight-tooth group component.
3. a kind of wheelchair according to claim 1 driving means of bidentate group structure, it is characterised in that：It is described it is two-way from
Clutch assembly includes fixed plate, and fixed plate top is provided with upper shaft lever, bearing is provided with upper shaft lever, on bearing from inside to outside according to
It is secondary to be provided with driving tooth, driver plate, roller；The fixed plate bottom is provided with lower axostylus axostyle, and on lower axostylus axostyle linkage duplex-gear is provided with,
Linkage duplex-gear is engaged with driving tooth；The linkage duplex-gear includes gear wheel and little gear, and little gear is co-axially located at canine tooth
On wheel.
4. a kind of wheelchair according to claim 3 driving means of bidentate group structure, it is characterised in that：The driver plate back of the body
Face top is provided with auger tooth, and lower flexible axle umbrella tooth is engaged with auger tooth, and lower flexible axle umbrella tooth is connected with the bottom of metal flexible axle；Institute
State auger tooth and lower flexible axle umbrella tooth forms umbrella tooth group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849718.2U CN206167216U (en) | 2016-08-08 | 2016-08-08 | Drive arrangement of bidentate group structure for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849718.2U CN206167216U (en) | 2016-08-08 | 2016-08-08 | Drive arrangement of bidentate group structure for wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206167216U true CN206167216U (en) | 2017-05-17 |
Family
ID=60239829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620849718.2U Expired - Fee Related CN206167216U (en) | 2016-08-08 | 2016-08-08 | Drive arrangement of bidentate group structure for wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206167216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693237A (en) * | 2016-08-08 | 2018-02-16 | 广东凯洋医疗科技集团有限公司 | A kind of drive device of wheelchair bidentate group structure |
-
2016
- 2016-08-08 CN CN201620849718.2U patent/CN206167216U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693237A (en) * | 2016-08-08 | 2018-02-16 | 广东凯洋医疗科技集团有限公司 | A kind of drive device of wheelchair bidentate group structure |
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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: 20170517 Termination date: 20200808 |