CN208823212U - A kind of foldable multifunctional wheelchair - Google Patents
A kind of foldable multifunctional wheelchair Download PDFInfo
- Publication number
- CN208823212U CN208823212U CN201820380578.8U CN201820380578U CN208823212U CN 208823212 U CN208823212 U CN 208823212U CN 201820380578 U CN201820380578 U CN 201820380578U CN 208823212 U CN208823212 U CN 208823212U
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- slide bar
- wheelchair
- connecting rod
- hinged
- movable chassis
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Abstract
The utility model provides a kind of foldable multifunctional wheelchair, including movable chassis mechanism, jack, liner plate layer and wheelchair armrest, movable chassis mechanism is fixedly connected with jack by pin shaft, two wheelchair armrests are each passed through the two sides of movable chassis mechanism, it is characterized in that the jack is a multistage link mechanism, the multistage link mechanism is by transmission bracket, electric pushrod, lift back connecting rod, front and rear beam connecting rod, swivel link, small rod, sliding roller mechanism, thigh slide bar, shank slide bar, connecting rod and foot pressure pin are constituted, the utility model can pass through the driving of jack inside wheelchair, it is converted back and forth between wheelchair state and bed body state as needed, it avoids after surgery because moving patient's damage caused by it；Transmission and control system are simplified by using multistage push and pull system, the expansion of wheelchair can be realized by one electric pushrod of control and folded, structure is relatively easy, reduces the failure rate of wheelchair.
Description
Technical field
The utility model relates to a kind of wheelchair, in particular to a kind of fully collapsible invalid's chair.
Background technique
When to being nursed on the bed of the special population of the bodies such as old man and patient inconvenience, need convenient for assisting by care-giver's back lifting
With bent leg.Meanwhile when between wheelchair and nursing bed to being shifted by care-giver, mobile patient location is needed, is being moved through
Secondary injury is easy to cause in journey.
Summary of the invention
It is existing above-mentioned in terms of the transfer and nursing to patient that the purpose of the utility model is to overcome current wheelchairs
Problem provides a kind of Multi Role Aircraft fully collapsible invalid's chair.
To realize the purpose of this utility model, using following technical solutions: a kind of foldable multifunctional wheelchair, including move
Dynamic body chassis, jack, liner plate layer and wheelchair armrest, movable chassis mechanism are fixedly connected with jack by pin shaft,
Two wheelchair armrests are each passed through the two sides of movable chassis mechanism, and the jack is a multistage link mechanism, this is more
Grade link mechanism carries on the back connecting rod by transmission bracket, electric pushrod, lift, front and rear beam connecting rod, swivel link, small rod, slides roller mechanism, big
Leg slide bar, shank slide bar, connecting rod and foot pressure pin are constituted, and the transmission bracket is fixed on the frame of movable chassis mechanism,
During wheelchair folding and unfolding be it is fixed, the fixing end and transmission bracket of electric pushrod are hinged, the telescopic end of electric pushrod
It is hinged with lift back connecting rod lower end, hinged, lift back small end and mobile chassis machine in the middle part of front and rear beam rod rear end and lift back connecting rod
Structure is hinged, and back link rotatable can be lifted by the extension and contraction control of electric pushrod, so that the chair back and front and rear beam connecting rod are driven, wherein lift back
An extension is arranged in connecting rod, drives the chair back to rotate with it by the rotation of the extension of lift back connecting rod, the front end of front and rear beam connecting rod
Hinged with sliding roller mechanism and swivel link, the lower end of swivel link and transmission bracket are hinged, the front end of small rod and sliding roller mechanism
Rear end is hinged, and the rear end of small rod and the frame articulation of wheelchair movable chassis mechanism, the movement of front and rear beam connecting rod can affect sliding roller
Two roller bearings are respectively set in mechanism kinematic, sliding roller mechanism top front and back end, and sliding roller mechanism top front end roller bearing is inlayed
In the slideway of shank slide bar, sliding roller mechanism upper rear end roller bearing is embedded in the slideway of thigh slide bar, after thigh slide bar
The frame articulation at end and movable chassis mechanism, thigh slide bar front end and shank slide bar rear end are hinged, and the movement of sliding roller mechanism can change
Become larger the angle of leg slide bar and shank slide bar, and shank slide bar front end and foot pressure pin are hinged, and connecting rod one end and thigh slide bar are cut with scissors
It connects, the other end and foot pressure pin are hinged, and thigh slide bar, shank slide bar, connecting rod and foot pressure pin form four-bar mechanism, thigh
The angle change of slide bar and shank slide bar can affect the angle corresponding change of foot pressure pin Yu shank slide bar.
The upper liner includes the chair back, seat board, thigh liner plate, shank liner plate and foot liner plate, described
The chair back is set to wheelchair rear portion, and with movable chassis mechanism frame articulation, the seat board is fixed on the mobile chassis machine in the middle part of wheelchair
On the frame of structure, the frame articulation of thigh liner plate rear end and movable chassis mechanism, thigh liner plate front end and shank liner plate and foot
Liner plate is end to end hinged.
The further front and rear beam connecting rod is set as the "u"-shaped that the flat both ends of intermediate portion tilt.
The universal chair wheel of 4 pieces of service brakes is arranged in the further movable chassis mechanism bottom.
Isometric longitudinal beam is further set at left and right sides of movable chassis mechanism, and longitudinal beam is fixedly connected on mobile bottom
Fixture block is respectively set at longitudinal beam both ends in disc mechanism.
The positive advantageous effects of the utility model are: this programme jack is by using multistage push and pull system letter
To change transmission and control system, the expansion of wheelchair can be realized by one electric pushrod of control and has folded, structure is relatively easy,
Reduce the failure rate of wheelchair；The utility model can also be by the driving of jack inside wheelchair, as needed in wheelchair
It is converted back and forth between state and bed body state, patient need not be moved in conversion process, patient can be directly adjusted to by sitting posture
Lying position, vice versa, use when can be used as transhipment patient；In addition, the utility model is when being adjusted to bed body state, it can also
In conjunction with matched folding bed, it is combined into hospital bed, in this way in the case where not moving patient, is directly transferred to patient by wheelchair
Hospital bed, greatly facilitates nursery work in this way, also avoids after surgery because moving patient's damage caused by it.
Detailed description of the invention
Fig. 1 is the utility model overall schematic.
Fig. 2 is the utility model wheelchair state longitudinally cutting schematic diagram.
Fig. 3 is the utility model bed body status diagram.
Fig. 4 is the utility model jack cut-away illustration.
Fig. 5 is the utility model wheelchair state removal liner plate layer schematic diagram.
Specific embodiment
In order to more fully explain the implementation of the utility model, the embodiment of the utility model is provided.These implement real
Example is only the elaboration to the utility model, does not limit the scope of the utility model.
In conjunction with attached drawing to the further details of explanation of the utility model, respectively marked in attached drawing are as follows: 21: movable chassis mechanism,
22: jack, 23: liner plate layer, 24: wheelchair armrest, 221 transmission brackets, 222: electric pushrod D, 223: lift back connecting rod, 224:
Front and rear beam connecting rod, 225: swivel link, 226: small rod, 227: sliding roller mechanism, 228: thigh slide bar, 229 shank slide bars,
2210: connecting rod, 2211: foot pressure pin, 2212: longitudinal beam, 2213: fixture block.
In the present solution, " preceding " refer to that people is sitting on wheelchair after just facing towards direction, " rear " refers to that people is sitting on wheelchair
Back facing towards direction.
Present solution provides a kind of foldable multifunctional wheelchairs, which can be folded into wheelchair state, or be transformed to
Plate bed body state, specific structure include movable chassis mechanism 21, jack 22, liner plate layer 23 and wheelchair armrest 24, movement
Body chassis 21 is fixedly connected with jack 23 by pin shaft, and two wheelchair armrests 24 are threaded through movable chassis mechanism 21 respectively
Two sides, the jack is a multistage link mechanism, and the multistage link mechanism is by transmission bracket 221, electric pushrod
222, lift back connecting rod 223, front and rear beam connecting rod 224, swivel link 225, small rod 226, sliding roller mechanism 227, thigh slide bar 228,
Shank slide bar 229, connecting rod 2210 and foot pressure pin 2211 are constituted, and the transmission bracket 221 is fixed on movable chassis mechanism 21
It is fixed, fixing end and transmission bracket 221 hinge of electric pushrod 222 during wheelchair folding and unfolding on the frame of front end
It connects, the telescopic end of electric pushrod 222 and lift back 223 lower end of connecting rod are hinged, in 224 rear end of front and rear beam connecting rod and lift back connecting rod 223
Portion is hinged, and lift back 223 upper end of connecting rod and movable chassis mechanism 21 are hinged, can lift back by the extension and contraction control of electric pushrod 222 and connect
Bar 223 rotates, to drive the chair back and front and rear beam connecting rod 224, wherein an extension is arranged in lift back connecting rod 223, is connected by lift back
The rotation of the extension of bar 223 drives the chair back to rotate with it, and the front end of front and rear beam connecting rod 224 connects with sliding roller mechanism 227 and rotation
Bar 225 is hinged, and the lower end of swivel link 225 and transmission bracket 221 are hinged, the front end of small rod 226 and sliding 227 rear end of roller mechanism
Hingedly, the movement of the frame articulation of the rear end of small rod 226 and wheelchair movable chassis mechanism 21, front and rear beam connecting rod 224 can affect
Sliding roller mechanism 227 moves, and two roller bearings, sliding 227 top front end of roller mechanism is respectively set in sliding 227 top front and back end of roller mechanism
Roller bearing is embedded in the slideway of shank slide bar 229, and sliding 227 upper rear end roller bearing of roller mechanism is embedded in thigh slide bar
In 228 slideway, the frame articulation of thigh slide bar 228 rear end and movable chassis mechanism 21,228 front end of thigh slide bar and shank are sliding
229 rear end of bar is hinged, and the movement of sliding roller mechanism 227 can change the angle of thigh slide bar 228 and shank slide bar 229, shank slide bar
229 front ends and foot pressure pin 2211 are hinged, and 2210 one end of connecting rod and thigh slide bar 228 are hinged, the other end and foot pressure pin
2211 is hinged, and thigh slide bar 228, shank slide bar 229, connecting rod 2210 and foot pressure pin 2211 form four-bar mechanism, thigh
The angle change of slide bar 228 and shank slide bar 229 can affect the angle corresponding change of foot pressure pin 2211 Yu shank slide bar 229.
The wheelchair armrest 24 can easily realize raising and reducing for wheelchair armrest 24, can be used as in increasing state
Wheelchair armrest 24 uses, and protects patient；In the state of reduction, 24 upper surface of wheelchair armrest can be lower than wheelchair upper surface, facilitate patient
It is shifted from side, or hospital bed matched with this programme is combined use.Wheelchair armrest 24 described in this programme can use Shen
Please day by 2 5th, 2018, application No. is " a kind of Liftable armrests that 2018201921411 Chinese patent application describes
The technical solution that mechanism " is described.
The liner plate layer includes the chair back, chair seat board, thigh liner plate, shank liner plate and foot liner plate, the chair back setting
In wheelchair rear portion, with 21 frame articulation of movable chassis mechanism, the chair seat board is fixed on the movable chassis mechanism in the middle part of wheelchair
On frame, the frame articulation of thigh liner plate rear end and movable chassis mechanism 21, thigh liner plate front end and shank liner plate and foot are served as a contrast
Plate is end to end hinged.
The front and rear beam connecting rod 224 is set as " U " structure that the flat both ends of intermediate portion tilt.
The universal chair wheel of 4 pieces of service brakes is arranged in the movable chassis mechanism bottom.
Isometric longitudinal beam is set at left and right sides of movable chassis mechanism, and longitudinal beam 2212 is fixedly connected on mobile chassis machine
Fixture block 2213 is respectively set at 2212 both ends of longitudinal beam in structure.The utility model can pass through longitudinal direction when being adjusted to bed body state
Beam 2212 and fixture block 2213 are combined into hospital bed in conjunction with matched folding bed, and matched folding bed is provided with to be indulged with this programme
The clamping mechanism adaptable to beam 2212 and fixture block 2213, can be such that the wheelchair in this programme combines with matched folding bed one
It rises.
The relevant circuit of fully collapsible invalid's chair and control device are that common circuit connecting mode and component can be realized, and are free of
Designing points, therefore do not described in this programme.
After the embodiments of the present invention is described in detail, one of ordinary skilled in the art is clearly understood that,
Various change and modification can be carried out by not departing under above-mentioned claim and spirit, all according to the technical essence of the utility model
Any simple modification, equivalent change and modification to the above embodiments belong to the range of technical solutions of the utility model,
And the utility model is also not only restricted to the embodiment of example in specification.
Claims (5)
1. a kind of foldable multifunctional wheelchair, including movable chassis mechanism, jack, liner plate layer and wheelchair armrest, mobile chassis
Mechanism is fixedly connected with jack by pin shaft, and two wheelchair armrests are each passed through the two sides of movable chassis mechanism, feature
It is that the jack is a multistage link mechanism, which is connected by transmission bracket, electric pushrod, lift back
Bar, front and rear beam connecting rod, swivel link, small rod, sliding roller mechanism, thigh slide bar, shank slide bar, connecting rod and foot pressure pin structure
At, the transmission bracket is fixed on the frame of movable chassis mechanism, be during wheelchair folding and unfolding it is fixed, it is electronic to push away
The fixing end of bar and transmission bracket are hinged, and the telescopic end of electric pushrod and lift back connecting rod lower end are hinged, front and rear beam rod rear end with
Hinged in the middle part of lift back connecting rod, lift back small end and movable chassis mechanism are hinged, can be lifted and be carried on the back by the extension and contraction control of electric pushrod
Link rotatable, wherein an extension is arranged in lift back connecting rod, passes through the extension of lift back connecting rod to drive the chair back and front and rear beam connecting rod
The rotation in portion drives the chair back to rotate with it, and the front end of front and rear beam connecting rod and sliding roller mechanism and swivel link are hinged, swivel link
Lower end is hinged with transmission bracket, and the front end of small rod and sliding roller mechanism rear end are hinged, the rear end of small rod and wheelchair mobile chassis
The frame articulation of mechanism, the movement of front and rear beam connecting rod can affect sliding roller mechanism to move, and sliding roller mechanism top front and back end is respectively set
Two roller bearings, sliding roller mechanism top front end roller bearing are embedded in the slideway of shank slide bar, sliding roller mechanism upper rear end
Roller bearing is embedded in the slideway of thigh slide bar, the frame articulation of thigh slide bar rear end and movable chassis mechanism, thigh slide bar
Front end and shank slide bar rear end are hinged, and the movement of sliding roller mechanism can change the angle of thigh slide bar and shank slide bar, shank slide bar
Front end and foot pressure pin are hinged, and connecting rod one end and thigh slide bar are hinged, and the other end and foot pressure pin are hinged, thigh slide bar, small
The angle change of leg slide bar, connecting rod and foot pressure pin formation four-bar mechanism, thigh slide bar and shank slide bar can affect foot
The angle corresponding change of pressure pin and shank slide bar.
2. a kind of foldable multifunctional wheelchair according to claim 1, it is characterised in that the liner plate layer includes the chair back, chair
Seat board, thigh liner plate, shank liner plate and foot liner plate, the chair back are set to wheelchair rear portion, cut with scissors with movable chassis mechanism frame
It connects, the chair seat board is fixed on the frame of the movable chassis mechanism in the middle part of wheelchair, thigh liner plate rear end and movable chassis mechanism
Frame articulation, thigh liner plate front end and shank liner plate and foot liner plate are end to end hinged.
3. a kind of foldable multifunctional wheelchair according to claim 1, it is characterised in that the front and rear beam connecting rod is set as
The "u"-shaped that the flat both ends of intermediate portion tilt.
4. a kind of foldable multifunctional wheelchair according to claim 1, it is characterised in that at the movable chassis mechanism bottom
The universal chair wheel of 4 pieces of service brakes is arranged in portion.
5. a kind of foldable multifunctional wheelchair according to claim 1, it is characterised in that at left and right sides of movable chassis mechanism
Isometric longitudinal beam is respectively set, longitudinal beam is fixedly connected on movable chassis mechanism, and fixture block is respectively set at longitudinal beam both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380578.8U CN208823212U (en) | 2018-03-21 | 2018-03-21 | A kind of foldable multifunctional wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380578.8U CN208823212U (en) | 2018-03-21 | 2018-03-21 | A kind of foldable multifunctional wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208823212U true CN208823212U (en) | 2019-05-07 |
Family
ID=66292623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820380578.8U Active CN208823212U (en) | 2018-03-21 | 2018-03-21 | A kind of foldable multifunctional wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208823212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904351A (en) * | 2019-05-09 | 2020-11-10 | 青岛海尔洗碗机有限公司 | Embedded dish washer |
| CN112914850A (en) * | 2021-01-22 | 2021-06-08 | 上海理工大学 | Bionic leg posture changing mechanism device for wheelchair |
-
2018
- 2018-03-21 CN CN201820380578.8U patent/CN208823212U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904351A (en) * | 2019-05-09 | 2020-11-10 | 青岛海尔洗碗机有限公司 | Embedded dish washer |
| CN112914850A (en) * | 2021-01-22 | 2021-06-08 | 上海理工大学 | Bionic leg posture changing mechanism device for wheelchair |
| CN112914850B (en) * | 2021-01-22 | 2022-10-14 | 上海理工大学 | Bionic leg posture changing mechanism device for wheelchair |
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