CN208591222U - A kind of rotary lifting mechanism applied to wheelchair - Google Patents
A kind of rotary lifting mechanism applied to wheelchair Download PDFInfo
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- CN208591222U CN208591222U CN201721158618.6U CN201721158618U CN208591222U CN 208591222 U CN208591222 U CN 208591222U CN 201721158618 U CN201721158618 U CN 201721158618U CN 208591222 U CN208591222 U CN 208591222U
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- wheelchair
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 abstract description 6
- 230000003028 elevating effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Abstract
The utility model provides a kind of rotary lifting mechanism applied to wheelchair, including upper substrate, substrate and mutually matched splined shaft and hub splines, the hub splines is rotated by being set to the rotating electric machine driving on the outside of it, the splined shaft is hollow structure, it is internally provided with lead screw, the splined shaft bottom is connected with the feed screw nut that lead screw matches, and the lead screw is rotated by being set to the lifting motor driving on the outside of it；The upper substrate and substrate are setting up and down, and the upper substrate is socketed on the periphery of hub splines, and the rotating electric machine and lifting motor are fixed by upper substrate and substrate.Rotary lifting mechanism described in the utility model applied to wheelchair solves lightweight and the Highgrade integration of the multi-functional realization of wheelchair, makes to rotate and two functional entities of lifting are integrated into a mechanism arrangement, make multifunctional wheelchair lighter.
Description
Technical field
The utility model belongs to medical rehabilitation instrument field, more particularly, to a kind of rotary lifter applied to wheelchair
Structure.
Background technique
In recent years, as China steps into the quickening of aging society speed and the development of intellectualized technology, the old and the weak physical disabilities
It receives more and more attention, miscellaneous Intelligent auxiliary equipment is come out by innovation and creation, and especially suitable crowd is most extensively applicable in
The highest wheelchair of rate also starts some intelligent miscellaneous functions occur, such as the old and the weak physical disabilities is helped to complete lifting on wheelchair
It acts or completes spinning movement or be provided simultaneously with the function of lifting and rotation, but wheelchair realizes rotation and elevating function on the market
Scissor device is mostly used to realize lifting, gear assembly realizes rotation, both device volumes are big and combination function makes to take turns
Chair is heavier, cannot achieve lightweight, the Highgrade integration of wheelchair.
If patent CN102366339B discloses a kind of rotary lifting type wheel chair, the elevating mechanism packet of elevating function is realized
Include and erect scissor-like jack on chassis, be provided with support frame at the top of the scissor-like jack, the support frame top be equipped with
The connected support shaft of seat, while the linear motor for controlling the scissor-like jack lifting is fixed in chassis level；
Its rotating mechanism include vertical fixed rotating electric machine on the support frame, on the motor shaft of the rotating electric machine and with the motor
The coaxially arranged external gear of axis and be fixed on the seat cushion bottom internal gear, wherein in external gear and internal gear
Engagement constitutes planetary gear.360 degree of seat can be can be realized in the case where chassis is motionless certainly by the effect of the rotating mechanism
By rotating, people can be lifted under the premise of not by other instruments by the effect of the elevating mechanism by certain height
Degree, thus the needs of the person that meets deformity of limbs.
Although two holding functions of wheelchair may be implemented in the rotating mechanism and elevating mechanism of above-mentioned wheelchair, but volume is big
And heavy lightweight and the Highgrade integration that cannot achieve multifunctional wheelchair.
Summary of the invention
In view of this, the utility model is directed to a kind of rotary lifting mechanism applied to wheelchair, it is more to solve wheelchair
The lightweight and Highgrade integration that function is realized make to rotate and two functional entities of lifting are integrated into a mechanism arrangement, allow more
Functional wheelchair is lighter.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of rotary lifting mechanism applied to wheelchair, including upper substrate, substrate and mutually matched splined shaft and
Hub splines, for the hub splines by the rotating electric machine driving rotation being set on the outside of it, the splined shaft is hollow structure, interior
Portion is provided with lead screw, and the splined shaft bottom is connected with the feed screw nut that lead screw matches, and the lead screw is by being set to its outside
Lifting motor drive rotation；The upper substrate and substrate are setting up and down, and the upper substrate is socketed on the periphery of hub splines,
The rotating electric machine and lifting motor are fixed by upper substrate and substrate.
Further, the periphery of the hub splines is connected with hub splines belt wheel, and the output shaft of the rotating electric machine is worn
The end for crossing upper substrate and its output shaft is fixed with rotating electric machine belt wheel, and the rotating electric machine belt wheel and spline housing belt wheel pass through rotation
Turn synchronous band connection.
Further, the lower end of the lead screw passes through substrate and its periphery is connected with screw pulley, and the lifting is slowed down
The lower end of the output shaft of motor passes through substrate and its output shaft periphery is fixedly connected with lifting motor belt wheel, the lifting motor
By going up and down synchronous band connection between belt wheel and screw pulley.
Further, the rotary lifting mechanism further includes rotary encoder, in the pulley groove of the rotating electric machine belt wheel
It is also equipped with rotary encoder round belt, the rotary encoder round belt connects the shaft of rotating electric machine belt wheel and rotary encoder
It connects.
Further, the rotary lifting mechanism further includes encoding up/down device, is also filled in the pulley groove of the screw pulley
There is encoding up/down device round belt, screw pulley is connect by encoding up/down device round belt with the shaft of encoding up/down device.
Further, the cage plate of tubular, the hub splines and upper substrate are provided between the upper substrate and substrate
Junction be provided with hub splines bearing a, the junction of cage plate is provided with hub splines bearing b.
Further, the junction of the lead screw and substrate is provided with lead screw bearing.
Further, the upper end of the splined shaft is provided with mounting plate, and the reserved installation threaded hole of the installation plate surface is used
To install by lifting part.
Further, the rotating electric machine and lifting motor are decelerating motor.
Compared with the existing technology, the rotary lifting mechanism described in the utility model applied to wheelchair has the advantage that
Rotary lifting mechanism described in the utility model applied to wheelchair realizes the lightweight of wheelchair and highly integrated
Change, makes to rotate and two functional entities of lifting are integrated into a mechanism arrangement, make multifunctional wheelchair lighter；It will rotation and liter
The transmission of drop is integrated on same root splined shaft and executes, and realizes the flexible control of two freedom degrees, and the mechanism is by the 6 of splined shaft
A freedom degree constraint falls 4, and lifting speed reduction motor and rotation decelerating motor are inversely installed, by transmission mechanism Highgrade integration
Reduce spatial volume also simultaneously to export power perfection.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the perspective view for being applied to the rotary lifting mechanism of wheelchair described in the utility model embodiment；
Fig. 2 is the main view for being applied to the rotary lifting mechanism of wheelchair described in the utility model embodiment；
Fig. 3 is the cross-sectional view for being applied to the rotary lifting mechanism of wheelchair described in the utility model embodiment.
Description of symbols:
1, splined shaft；2, spline housing；3, spline housing belt wheel；4, rotary encoder round belt；5, rotating electric machine belt wheel；6, it rotates
Synchronous belt, 7, rotary encoder；8, encoding up/down device；9, substrate；10, lifting speed reduction motor；11, decelerating motor is rotated；12,
Big cage plate；13, screw rod belt wheel；14, encoding up/down device round belt；15, lifting motor belt wheel；16, synchronous belt is gone up and down；17, screw rod；
18, spline housing bearing a；19, feed screw nut；20, spline housing bearing b；21, screw rod bearing；22, cage plate；23, mounting plate；
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The present invention provides a kind of rotary lifting mechanism applied in wheelchair, including splined shaft 1, spline housing 2 and up and down
The upper substrate 12 and substrate 9 of setting；The cage plate 22 of tubular is provided between upper substrate 12 and substrate 9.
The upper end of splined shaft 1 is provided with mounting plate 23, and the reserved installation threaded hole in 23 surface of mounting plate is gone up and down to install
Component such as seat, splined shaft 1 are interspersed in hub splines 2, and the cooperation of spline guarantees splined shaft 1 and hub splines 2 without opposite rotation
Turn, and exist a lifting freedom degree, hub splines 2 pass through hub splines bearing a18, hub splines bearing b20 respectively with it is upper
Substrate 12 and cage plate 22 are fixed, and splined shaft 1 can be driven relative to upper substrate 12 and cage plate by the effect hub splines 2 of bearing
22 are freely rotated.
To realize rotation, the periphery of the external cylindrical surface of hub splines 2 is fixed with hub splines belt wheel 3, rotates decelerating motor
11 bottoms are fixed by bolt and substrate 9, and the output shaft of rotation decelerating motor 11 extends through upper substrate 12 and its end is fixed
There is rotating electric machine belt wheel 5, rotating electric machine belt wheel 5 is connect with spline housing belt wheel 3 by rotation synchronization belt 6, and rotation synchronization belt 6 will revolve
The driving force of rotating motor belt wheel 5 passes to spline housing belt wheel 3, and rotation decelerating motor 11 rotation so drives splined shaft rotation,
And rotary encoder round belt 4 is also equipped in the pulley groove of rotating electric machine belt wheel 5, rotary encoder round belt 4 is by rotating electric machine band
Wheel 5 is connect with the shaft of rotary encoder 7, and rotation is passed to rotary encoder 7 as control by rotary encoder round belt 4
Feedback data uses.
In order to realize lifting, the invention also includes lifting speed reduction motor 10, lifting speed reduction motor 10 is fixed on substrate 9
On, the lower end of output shaft extends through substrate 9 and periphery is fixedly connected with lifting motor belt wheel 15.Splined shaft 1 is hollow, internal
It is provided with cavity, it is vertically-mounted in cavity to have lead screw 17, the lead screw matched with lead screw 17 is mounted in the end of cavity
Nut 19, feed screw nut 19 are fixedly connected with the bottom of splined shaft 1, and the bottom end of lead screw 17 extends through substrate 9 and its periphery is solid
Surely it is connected with screw pulley 13, screw rod 17 and the junction of substrate 9 are equipped with lead screw bearing 21, lifting motor belt wheel 15 and lead screw
It is connected between belt wheel 13 by lifting synchronous belt 16.The driving force of lifting motor belt wheel 15 is passed to by lifting synchronous belt 16
Screw pulley 13, such rotation of lifting speed reduction motor 10 drives lead screw 17 to rotate, and then feed screw nut 19 rises or falls band
Dynamic splined shaft 1 rises or falls.Encoding up/down device round belt 14, encoding up/down device round belt are also equipped in the pulley groove of screw pulley 13
14 connect screw pulley 13 with the shaft of encoding up/down device 8, and it is anti-as control that the rotation of lead screw 17 is passed to encoding up/down device 8
Data are presented to use.
When needing splined shaft 1 to go up and down, control lifting speed reduction motor 10 rotates, and lifting motor belt wheel 15 is driven to rotate, and rises
Drop synchronous belt 16 delivers power to screw pulley 13, and lead screw 17 is driven to rotate, because of spline housing 2 and 1 spline fitted of splined shaft,
It rotates decelerating motor 11 and opens band-type brake function, the feed screw nut 19 fixed in spline housing 2 is rotated relative to lead screw 17, and feed screw nut 19
Lifting drive splined shaft 1 lifting.
When needing splined shaft 1 to rotate, control rotation decelerating motor 11 rotates, and drives rotating electric machine belt wheel 5 to rotate, rotation
The driving force of rotating electric machine belt wheel 5 is passed to spline housing belt wheel 3 by synchronous belt 6, and spline housing 2 is driven to rotate because spline housing 2 with
1 spline fitted of splined shaft drives splined shaft 1 to rotate, while to guarantee that splined shaft 1 is not gone up and down, fixed screw rod spiral shell in spline housing 2
Mother 19 should not with 17 relative rotation of lead screw, need to control lifting speed reduction motor 10 rotation make lead screw 17 with 2 synchronous rotary of splined shaft i.e.
Splined shaft 2 can be achieved to rotate.
As described above, the transmission of rotation and lifting is cleverly integrated in same root splined shaft 1 by technical solution of the present invention
Upper execution realizes the flexible control of two freedom degrees, which perfectly falls 4 for 6 freedom degrees constraint of splined shaft 1,
And lifting speed reduction motor 10 and rotation decelerating motor 11 are inversely installed, transmission mechanism Highgrade integration is reduced into spatial volume
Power perfection is exported simultaneously.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of rotary lifting mechanism applied to wheelchair, it is characterised in that: the rotary lifting mechanism includes upper substrate, base
Plate and mutually matched splined shaft and hub splines, the hub splines are revolved by being set to the rotating electric machine driving on the outside of it
Turn, the splined shaft is hollow structure, is internally provided with lead screw, the splined shaft bottom is connected with the lead screw spiral shell that lead screw matches
Mother, the lead screw are rotated by being set to the lifting motor driving on the outside of it；The upper substrate and substrate are setting up and down, it is described on
Substrate is socketed on the periphery of hub splines, and the rotating electric machine and lifting motor are fixed by upper substrate and substrate.
2. the rotary lifting mechanism according to claim 1 applied to wheelchair, it is characterised in that: outside the hub splines
It is connected with hub splines belt wheel week, the output shaft of the rotating electric machine passes through upper substrate and the end of its output shaft is fixed with rotation
Electrical machine belt pulley, the rotating electric machine belt wheel are connect with spline housing belt wheel by rotation synchronization belt.
3. the rotary lifting mechanism according to claim 1 or 2 applied to wheelchair, it is characterised in that: under the lead screw
End is across substrate and its periphery is connected with screw pulley, the lower end of the output shaft of the lifting speed reduction motor pass through substrate and
Its output shaft periphery is fixedly connected with lifting motor belt wheel, synchronous by going up and down between the lifting motor belt wheel and screw pulley
Band connection.
4. the rotary lifting mechanism according to claim 2 applied to wheelchair, it is characterised in that: the rotary lifting mechanism
Further include rotary encoder, rotary encoder round belt is also equipped in the pulley groove of the rotating electric machine belt wheel, the rotation is compiled
Code device round belt connects the shaft of rotating electric machine belt wheel and rotary encoder.
5. the rotary lifting mechanism according to claim 3 applied to wheelchair, it is characterised in that: the rotary lifting mechanism
Further include encoding up/down device, encoding up/down device round belt is also equipped in the pulley groove of the screw pulley, encoding up/down device round belt will
Screw pulley is connect with the shaft of encoding up/down device.
6. the rotary lifting mechanism according to claim 1 applied to wheelchair, it is characterised in that: the upper substrate and base
It is provided with the cage plate of tubular between plate, the junction of the hub splines and upper substrate is provided with hub splines bearing a, with cage plate
Junction be provided with hub splines bearing b.
7. the rotary lifting mechanism according to claim 1 applied to wheelchair, it is characterised in that: the lead screw and substrate
Junction be provided with lead screw bearing.
8. the rotary lifting mechanism according to claim 1 applied to wheelchair, it is characterised in that: the upper end of the splined shaft
It is provided with mounting plate, the reserved installation threaded hole of the installation plate surface is to install by lifting part.
9. the rotary lifting mechanism according to claim 1 applied to wheelchair, it is characterised in that: the rotating electric machine and liter
Dropping motor is decelerating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158618.6U CN208591222U (en) | 2017-09-11 | 2017-09-11 | A kind of rotary lifting mechanism applied to wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158618.6U CN208591222U (en) | 2017-09-11 | 2017-09-11 | A kind of rotary lifting mechanism applied to wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208591222U true CN208591222U (en) | 2019-03-12 |
Family
ID=65598915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158618.6U Active CN208591222U (en) | 2017-09-11 | 2017-09-11 | A kind of rotary lifting mechanism applied to wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208591222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440855A (en) * | 2017-09-11 | 2017-12-08 | 中国科学院自动化研究所 | A kind of rotary lifting mechanism applied to wheelchair |
| CN114262033A (en) * | 2021-12-24 | 2022-04-01 | 海南和风佳会电化学工程技术股份有限公司 | Automatic electrochemical reaction chamber and control method thereof |
-
2017
- 2017-09-11 CN CN201721158618.6U patent/CN208591222U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440855A (en) * | 2017-09-11 | 2017-12-08 | 中国科学院自动化研究所 | A kind of rotary lifting mechanism applied to wheelchair |
| CN114262033A (en) * | 2021-12-24 | 2022-04-01 | 海南和风佳会电化学工程技术股份有限公司 | Automatic electrochemical reaction chamber and control method thereof |
| CN114262033B (en) * | 2021-12-24 | 2023-09-22 | 海南和风佳会电化学工程技术股份有限公司 | Automatic electrochemical reaction chamber and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230216 Address after: No. 95, Zhongguancun East Road, Haidian District, Beijing 100086 Patentee after: INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES Address before: 100190 No. 95 East Zhongguancun Road, Beijing, Haidian District Patentee before: INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES Patentee before: TIANJIN INTELLIGENT TECH. INSTITUTE OF CASIA Co.,Ltd. |
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| TR01 | Transfer of patent right |