CN213157088U - Sitting-lying conversion and walking integrated device - Google Patents
Sitting-lying conversion and walking integrated device Download PDFInfo
- Publication number
- CN213157088U CN213157088U CN202021243798.XU CN202021243798U CN213157088U CN 213157088 U CN213157088 U CN 213157088U CN 202021243798 U CN202021243798 U CN 202021243798U CN 213157088 U CN213157088 U CN 213157088U
- Authority
- CN
- China
- Prior art keywords
- plate
- connecting rod
- pivoted
- bevel gear
- conversion
- 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
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 47
- 210000003127 knee Anatomy 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 210000002414 leg Anatomy 0.000 description 8
- 230000032683 aging Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Landscapes
- Invalid Beds And Related Equipment (AREA)
Abstract
A sitting and lying conversion and walking integrated device relates to the technical field of sitting and lying conversion equipment and comprises a base frame, a bed and chair conversion mechanism, a walking mechanism and a steering mechanism; the bed-chair conversion mechanism comprises a base plate fixed on the base frame, a back plate pivoted with the rear end of the base plate, a knee-raising plate pivoted with the front end of the base plate, a first connecting rod and a second connecting rod which are pivoted with each other, a screw rod motor fixed at the bottom of the base frame, a nut tube meshed with a screw rod of the screw rod motor, a guide rail arranged on one side of the back surface of the back plate close to the base plate, and a sliding block arranged in the guide rail in a sliding manner; one end of the first connecting rod, which is far away from the second connecting rod, is connected with the back surface of the back plate; one end of the second connecting rod, which is far away from the first connecting rod, is pivoted with the bottom surface of the knee lifting plate; one end of the nut pipe, which is far away from the screw rod motor, is pivoted with the sliding block. The utility model discloses a structural design of bed chair shifter realizes the conversion function of bed chair, and the conversion of help old man's bed chair is had a rest and is convenient for the old man walking again, and the conversion is convenient, safe and reliable.
Description
Technical Field
The utility model relates to a sit conversion equipment technical field that crouches, concretely relates to sit conversion and walking integrated device that crouches.
Background
The aging of the population is increased, and the number of the old people who cannot take care of themselves is increased, so that the demand of social services is increased. With the development of society, the conditions of the empty nesters become more serious. The proportion of personnel investment in the service industry between the investment in other industries in the society is getting heavier, and the inclination of human resources is more practical and more obvious. How to solve the problem that the old people who can not take care of themselves in life, such as the empty nesters, liberates manpower and becomes a serious topic.
According to data, the population number of 21242 ten thousands of people in 60 years old and above in China at the end of 2014 year accounts for 15.5 percent of the total population; the population number of 13755 million people in 65 years old and above accounts for 10.1 percent, and the first breakthrough is 10 percent. By 2025 years, the number of the aged over 60 years in China is estimated to reach 3 hundred million, the proportion of the aged over 65 years is 21 percent, and the proportion of the aged over 65 years is 13.7 percent, which is close to the deep aging society. China will enter a deep aging society in 2027, namely the proportion of the old aged over 65 is higher than 15%. In the face of the current situation, it is necessary to design an auxiliary type old-age assisting device based on mechanical old-age assisting to help the empty-nest old people and the old people who cannot take care of themselves to assist their daily lives.
The sitting, lying, converting and walking integrated device can play an auxiliary role when the old people live at home alone, and the old people can have a rest and walk anytime and anywhere through the device. The wheelchair can effectively assist the old with bad legs, feet and waist, such as getting up during rest, and riding instead of walking by the wheelchair when the legs and feet are painful or the old cannot walk for a long time.
Then, most of the current wheelchair for riding instead of walk in China do not have the function of a bed for the old to lie down; the walking design of the device is neglected if the common old-people assisting device focuses on the conversion of the bed and chair; the switching function of the bed and chair is omitted when the device is focused on walking.
Disclosure of Invention
In view of this, it is necessary to provide a device integrating the conversion of sitting and lying and the walking, which is convenient for the conversion of the bed and the chair, safe and reliable.
A sitting and lying conversion and walking integrated device comprises a base frame, a bed and chair conversion mechanism arranged on the base frame, a walking mechanism arranged on the base frame and a steering mechanism; the bed-chair conversion mechanism comprises a base plate fixed on the base frame, a back plate pivoted with the rear end of the base plate, a knee-raising plate pivoted with the front end of the base plate, a first connecting rod and a second connecting rod which are pivoted with each other, a screw rod motor fixed at the bottom of the base frame, a nut pipe meshed with a screw rod of the screw rod motor, a guide rail arranged on one side of the back surface of the back plate close to the base plate, and a sliding block arranged in the guide rail in a sliding manner; one end of the first connecting rod, which is far away from the second connecting rod, is connected with the back surface of the backrest plate; one end of the second connecting rod, which is far away from the first connecting rod, is pivoted with the bottom surface of the knee lifting plate; one end of the nut pipe, which is far away from the screw rod motor, is pivoted with the sliding block; when the screw rod motor drives the nut tube to be close to or far away from the screw rod motor, the back plate rotates relative to the base plate, and meanwhile, the back plate is driven by the first connecting rod and the second connecting rod to drive the knee lifting plate to rotate relative to the base plate in the rotating process.
Preferably, the guide rail is fixed to the back of the backrest plate, and a part of the guide rail exceeds the joint of the backrest plate and the base plate and extends towards the screw rod motor.
Preferably, the bed-chair conversion mechanism further comprises a leg bending plate and a third connecting rod connecting the leg bending plate and the base plate, and the middle part of the leg bending plate is pivoted with the knee lifting plate.
Preferably, one end of the first connecting rod, which is far away from the second connecting rod, is fixedly connected with the back surface of the backrest plate.
Preferably, the steering mechanism comprises two front wheels, shaft mounting plates respectively connected with the front wheels, a connecting assembly for connecting each shaft mounting plate with the base frame, a first linkage rod, a second linkage rod, a third linkage rod pivoted with the second linkage rod, and a rocker fixedly connected with the third linkage rod; two ends of the first linkage rod are respectively pivoted with one end of the shaft mounting plate far away from the corresponding front wheel; the second linkage rod is pivoted with the middle part of one of the shaft mounting plates.
Preferably, the top of each connecting assembly is fixedly connected with the base frame, and the bottom of each connecting assembly is pivotally connected with the corresponding shaft mounting plate.
Preferably, the shaft mounting plate is arranged in a 7 shape.
Preferably, the traveling mechanism comprises a driving motor fixed at the bottom of the base frame, a differential connected with the driving motor, and driving wheels connected with two ends of the differential.
Preferably, the differential comprises a driving bevel gear connected with the driving motor, a transmission gear set connected with one of the driving wheels, and a first driven bevel gear connected with the other driving wheel; the transmission gear set comprises an outer bevel gear meshed with the driving bevel gear, an inner bevel gear coaxially fixed with the outer bevel gear, and two second transmission bevel gears connected with the outer bevel gear; each second transmission bevel gear is in meshed transmission with the inner bevel gear and the first driven bevel gear respectively.
Preferably, the base frame comprises a main frame body, a plurality of support columns extending upwards from the top surface of the main frame body, and a front wheel seat extending forwards from the front side of the main frame body; the top of the supporting column is fixedly connected with the backing plate through threads.
The utility model discloses a sit conversion and walking integrated device of crouching, its beneficial effect lies in: the conversion function of the bed and chair is realized through the structural design of the bed and chair conversion mechanism, the conversion of the bed and chair for the old people is helped to have a rest, the walking of the old people is facilitated, and the conversion is convenient, safe and reliable.
Drawings
Fig. 1 is a schematic perspective view of the integrated device for sitting, lying, transforming and walking of the present invention;
FIG. 2 is a schematic perspective view of the integrated device for conversion between sitting and lying and walking of FIG. 1 at another angle;
FIG. 3 is a cross-sectional view of the integrated sit-sleep conversion and walk device of FIG. 2 taken along a cross-section passing through the front and rear central axes;
FIG. 4 is a partially assembled view of the bed-chair conversion mechanism and the base frame of the integrated sitting, lying, conversion and walking device of FIG. 2, showing the differential mechanism of the walking mechanism;
FIG. 5 is a schematic view of another angle of the integrated sit-sleep conversion and walk device of FIG. 4;
FIG. 6 is a partial schematic view of a bed-chair conversion mechanism of the integrated sitting, lying, conversion and walking device of FIG. 4;
FIG. 7 is an assembled view of the integrated sit-sleep conversion and walk device of FIG. 1 in a bed state, wherein two driving wheels are not shown;
FIG. 8 is a cross-sectional view of the integrated sit-sleep conversion and walk device of FIG. 7 taken along a central plane;
FIG. 9 is a schematic view of another angle of the integrated sit-sleep conversion and walk device of FIG. 7, wherein only the bed-chair conversion mechanism is shown;
FIG. 10 is an assembled schematic view of the steering mechanism of FIG. 2;
fig. 11 is a schematic view of the internal structure of the differential mechanism of the traveling mechanism of the integrated device for conversion from sitting to lying and traveling in fig. 4.
In the figure: the bed comprises a base frame 10, a main frame 11, a support column 12, a front wheel seat 13, a bed-chair switching mechanism 20, a base plate 21, a backrest plate 22, a knee lifting plate 23, a first connecting rod 24, a second connecting rod 25, a screw rod motor 26, a nut tube 27, a guide rail 28, a sliding block 280, a knee bending plate 29, a third connecting rod 290, a traveling mechanism 30, a driving motor 31, a differential 32, a driving bevel gear 33, a transmission gear shaft group 34, an outer bevel gear 340, an inner bevel gear 341, a second transmission bevel gear 342, a first driven bevel gear 35, a driving wheel 39, a steering mechanism 40, a front wheel 41, a shaft mounting plate 42, a connecting assembly 43, a first linkage rod 44, a second linkage rod 45, a third linkage rod 46 and a remote control rod 47.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 11, an embodiment of the present invention provides a device integrating sitting, lying, converting and walking for old people or people with inconvenient actions, which can be switched between a seat and a bed to realize the switching between sitting and lying postures of a user. The sitting, lying, converting and walking integrated device comprises a base frame 10, a bed and chair converting mechanism 20 arranged on the base frame 10, a walking mechanism 30 arranged on the base frame and a steering mechanism 40; the bed-chair conversion mechanism 20 comprises a backing plate 21 fixed on the base frame 10, a backrest plate 22 pivoted with the rear end of the backing plate 21, a knee lifting plate 23 pivoted with the front end of the backing plate 21, a first connecting rod 24 and a second connecting rod 25 pivoted with each other, a screw motor 26 fixed at the bottom of the base frame 21, a nut tube 27 meshed with a screw of the screw motor 26, a guide rail 28 arranged on one side of the back surface of the backrest plate 22 close to the backing plate 10, and a slide block 280 arranged in the guide rail in a sliding manner; one end of the first connecting rod 24 far away from the second connecting rod 25 is connected with the back surface of the back plate 22; one end of the second connecting rod 25 far away from the first connecting rod 24 is pivoted with the bottom surface of the knee lifting plate 23; one end of the nut tube 27 away from the lead screw motor 26 is pivotally connected to the slide block 280.
Further, referring to fig. 1 to 6, the base frame 10 includes a main frame 11, a plurality of support columns 12 extending upward from a top surface of the main frame 11, and a front wheel base 13 extending forward from a front side of the main frame 11; the top of the supporting column 12 is fixed with the backing plate 21 by screw thread connection. In the present embodiment, the number of the support columns 12 is four, wherein the bottoms of the first two support columns 12 extend downwards beyond the bottom of the main frame 11 for the connection of the front wheel seat 13; the front wheel seat 13 is arranged in a U shape; the front wheel seat 13 has front ends to which the steering mechanism 40 is attached.
Further, in the present embodiment, an end of the first link 24 away from the second link 25 is fixedly connected to a back surface of the backrest plate 22. Specifically, the number of the first links 24 is two, and each of the first links is fixed to the backrest plate 22 by a mounting seat (not shown). The first link 24 is spaced from and parallel to the backrest plate 22 to ensure that the first link 24 does not interfere with the pivot shaft between the base plate 21 and the backrest plate 22 during the rotation of the backrest plate 22 relative to the base plate 21. The guide rail 28 is fixed to the back of the backrest plate 22, and the lower portion of the guide rail 28 extends out toward the screw motor 26 beyond the joint between the backrest plate 22 and the pad plate 21. In particular, the guide rail 28 is located between two first links 24. The guide rail 28 is composed of two oppositely arranged guide blocks (not shown) arranged at intervals, and the middle part of the inner side of each guide block is provided with a sliding groove. The slide 280 is positioned between the guide shoes of the guide rail 28 and snaps into a slide slot in each guide shoe.
Further, the bed-chair conversion mechanism 20 further comprises a leg bending plate 29 and two third connecting rods 290 connecting the leg bending plate 29 and the base plate 21, wherein the middle part of the leg bending plate 29 is pivoted with the knee raising plate 23. Specifically, the knee lever plate 29 and the third link 290 enclose the knee lever plate 23.
Further, referring to fig. 7 to 9, when the sitting, lying and walking integrated device needs to be switched from the state of the seat to the state of the bed, the user controls the lead screw motor 26 through the key, the lead screw motor 26 drives the nut tube 27 to be close to the lead screw motor 26, the nut tube 27 pulls the backrest plate 22 to turn downwards relative to the cushion plate 21, and simultaneously the backrest plate 22 drives the knee lifting plate 23 to turn upwards relative to the cushion plate 21 through the first connecting rod 24 and the second connecting rod 25 in the rotating process, so that the knee lifting plate 23, the cushion plate 21 and the backrest plate 22 are integrally positioned in a plane, and the state of the bed is achieved. On the contrary, when the sitting, lying, converting and walking integrated device needs to be converted from the bed state to the seat state, the screw rod motor 26 drives the nut tube 27 to be away from the screw rod motor 26, the nut tube 27 pulls the backrest plate 22 to be turned upwards relative to the cushion plate 21 while the guide rail 28 slides through the slider 280, and simultaneously the first connecting rod 24 and the second connecting rod 25 drive the knee-raising plate 23 to be turned downwards relative to the cushion plate 21 in the rotation process of the backrest plate 22, so that the knee-raising plate 23, the cushion plate 21 and the backrest plate 22 are integrally folded and arranged to be switched to the seat state.
Further, referring to fig. 10, the steering mechanism 40 includes two front wheels 41, axle mounting plates 42 respectively connected to the front wheels 41, a connecting assembly 43 connecting the axle mounting plates 42 and the base frame 10, a first linkage rod 44, a second linkage rod 45, a third linkage rod 46 pivotally connected to the second linkage rod 45, and a rocker 47 fixedly connected to the third linkage rod 46; two ends of the first linkage rod 44 are respectively pivoted with one end of the shaft mounting plate 42 away from the corresponding front wheel 41; the second link lever 45 is pivotally connected to a middle portion of one of the shaft mounting plates 42.
Further, the top of each connecting assembly 43 is fixedly connected to the front wheel seat 13 of the base frame 10, and the bottom of each connecting assembly 43 is pivotally connected to the corresponding axle mounting plate 42. The shaft mounting plate 42 is arranged in a 7 shape.
Further, when the integrated device for conversion between sitting and lying and walking needs to turn during walking, the rocker 47 is operated to drive the third linkage rod 46 to rotate, so that the second linkage rod 45 connected with the third linkage rod is caused to swing, during the swinging of the second linkage rod 45, the shaft mounting plate 42 swings along with the third linkage rod, and the first linkage rod 44 drives the shaft mounting plate 42 on the other side to swing, so that the turning is finally formed.
Further, referring to fig. 11, the traveling mechanism 30 includes a driving motor 31 fixed to the bottom of the base frame 10, a differential 32 connected to the driving motor 31, and a driving wheel 39 connected to both ends of the differential 32.
Further, the differential gear 32 includes a drive bevel gear 33 connected to the drive motor 31, a transmission gear group 34 connected to one of the drive wheels 39, and a first driven bevel gear 35 connected to the other drive wheel 39; the transmission gear set 34 comprises an outer bevel gear 340 engaged with the drive bevel gear 33, an inner bevel gear 341 coaxially fixed with the outer bevel gear 340, and two second transmission bevel gears 342 connected with the outer bevel gear 340; each second transmission bevel gear 342 is engaged with the inner bevel gear 341 and the first driven bevel gear 35.
Further, when the driving motor 31 drives the driving bevel gear 33 to rotate, the driving bevel gear 33 drives the outer bevel gear 340 to rotate, and due to the coaxial relationship, the outer bevel gear 340 drives the inner bevel gear 341 to rotate, and the inner bevel gear 341 drives the first driven bevel gear 35 to rotate through the two second transmission bevel gears 342, so as to drive the two driving wheels 39 to rotate synchronously. The running mechanism 30 using the above-described frame can reduce mutual abrasion between gears, thereby prolonging the service life. The differential gear 32 can stabilize the rotation speeds of the left and right drive wheels 39 during curve running, and is advantageous for eliminating the influence caused by different rotation speeds during steering.
To sum up, the utility model discloses a sit conversion and walking integrated device that crouches realizes the conversion function of bed chair through the structural design of bed chair shifter 20, and the conversion of help old man's bed chair is had a rest and is convenient for the old man's walking again, and the conversion is convenient, safe and reliable. The traveling mechanism 30 can stabilize the rotation speeds of the left and right wheels during curve traveling through the differential 32, which is advantageous for eliminating the influence of different rotation speeds during steering.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a conversion and walking integrated device crouches in sitting which characterized in that: comprises a base frame, a bed-chair conversion mechanism arranged on the base frame, a walking mechanism and a steering mechanism arranged on the base frame; the bed-chair conversion mechanism comprises a base plate fixed on the base frame, a back plate pivoted with the rear end of the base plate, a knee-raising plate pivoted with the front end of the base plate, a first connecting rod and a second connecting rod which are pivoted with each other, a screw rod motor fixed at the bottom of the base frame, a nut pipe meshed with a screw rod of the screw rod motor, a guide rail arranged on one side of the back surface of the back plate close to the base plate, and a sliding block arranged in the guide rail in a sliding manner; one end of the first connecting rod, which is far away from the second connecting rod, is connected with the back surface of the backrest plate; one end of the second connecting rod, which is far away from the first connecting rod, is pivoted with the bottom surface of the knee lifting plate; one end of the nut pipe, which is far away from the screw rod motor, is pivoted with the sliding block; when the screw rod motor drives the nut tube to be close to or far away from the screw rod motor, the back plate rotates relative to the base plate, and meanwhile, the back plate is driven by the first connecting rod and the second connecting rod to drive the knee lifting plate to rotate relative to the base plate in the rotating process.
2. The integrated sitting, lying, converting and walking device as claimed in claim 1, wherein: the guide rail is fixed with the back of the back plate, and the part of the guide rail exceeds the joint of the back plate and the base plate and extends out towards the screw rod motor.
3. The integrated sitting, lying, converting and walking device as claimed in claim 1, wherein: the bed-chair conversion mechanism further comprises a foot bending plate and a third connecting rod which is connected with the foot bending plate and the base plate, and the middle part of the foot bending plate is pivoted with the knee lifting plate.
4. The integrated sitting, lying, converting and walking device as claimed in claim 1, wherein: one end of the first connecting rod, which is far away from the second connecting rod, is fixedly connected with the back surface of the backrest plate.
5. The integrated sitting, lying, converting and walking device as claimed in claim 1, wherein: the steering mechanism comprises two front wheels, shaft mounting plates respectively connected with the front wheels, a connecting assembly for connecting the shaft mounting plates with the base frame, a first linkage rod, a second linkage rod, a third linkage rod pivoted with the second linkage rod and a rocker fixedly connected with the third linkage rod; two ends of the first linkage rod are respectively pivoted with one end of the shaft mounting plate far away from the corresponding front wheel; the second linkage rod is pivoted with the middle part of one of the shaft mounting plates.
6. The integrated sitting, lying, converting and walking device as claimed in claim 5, wherein: the top of each connecting assembly is fixedly connected with the base frame, and the bottom of each connecting assembly is pivoted with the corresponding shaft mounting plate.
7. The integrated sitting, lying, converting and walking device as claimed in claim 5, wherein: the shaft mounting plate is arranged in a 7 shape.
8. The integrated sitting, lying, converting and walking device as claimed in claim 1, wherein: the traveling mechanism comprises a driving motor fixed at the bottom of the base frame, a differential connected with the driving motor and driving wheels connected with two ends of the differential.
9. The integrated sit-lie conversion and walk device of claim 8, wherein: the differential comprises a driving bevel gear connected with the driving motor, a transmission gear set connected with one of the driving wheels, and a first driven bevel gear connected with the other driving wheel; the transmission gear set comprises an outer bevel gear meshed with the driving bevel gear, an inner bevel gear coaxially fixed with the outer bevel gear, and two second transmission bevel gears connected with the outer bevel gear; each second transmission bevel gear is in meshed transmission with the inner bevel gear and the first driven bevel gear respectively.
10. The integrated sitting, lying, converting and walking device of any one of claims 1 to 9, wherein: the base frame comprises a main frame body, a plurality of support columns and a front wheel seat, wherein the support columns extend upwards from the top surface of the main frame body, and the front wheel seat extends forwards from the front side of the main frame body; the top of the supporting column is fixedly connected with the backing plate through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243798.XU CN213157088U (en) | 2020-06-29 | 2020-06-29 | Sitting-lying conversion and walking integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243798.XU CN213157088U (en) | 2020-06-29 | 2020-06-29 | Sitting-lying conversion and walking integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213157088U true CN213157088U (en) | 2021-05-11 |
Family
ID=75790903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243798.XU Expired - Fee Related CN213157088U (en) | 2020-06-29 | 2020-06-29 | Sitting-lying conversion and walking integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213157088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327498A (en) * | 2023-03-30 | 2023-06-27 | 佳木斯大学 | Body rehabilitation and nursing integrated device for old people |
-
2020
- 2020-06-29 CN CN202021243798.XU patent/CN213157088U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327498A (en) * | 2023-03-30 | 2023-06-27 | 佳木斯大学 | Body rehabilitation and nursing integrated device for old people |
| CN116327498B (en) * | 2023-03-30 | 2023-09-19 | 佳木斯大学 | Body rehabilitation and nursing integrated device for old people |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209154294U (en) | A kind of wheelchair combined multi-functional nursing bed | |
| CN102551973B (en) | Novel multifunctional wheelchair bed | |
| CN101342108B (en) | Separating move assisting nursing bed | |
| CN204655317U (en) | There is the horizontal lying-type wheelchair of standing of body turning function | |
| CN101589979B (en) | Multifunctional electric wheelchair | |
| CN111904740A (en) | Multifunctional intelligent wheelchair and intelligent wheelchair combined bed | |
| CN213157088U (en) | Sitting-lying conversion and walking integrated device | |
| CN104825284A (en) | Standing and lying type wheelchair with turnover function | |
| CN109431701B (en) | Intelligent wheelchair robot with leg rehabilitation training and stair climbing functions | |
| CN210698029U (en) | Multifunctional wheelchair and wheelchair bed | |
| CN215584614U (en) | Novel wheelchair assisting old people in going to toilet safely | |
| CN201239276Y (en) | Separate type nursing bed for assisting walking | |
| CN211326557U (en) | Multi-functional seat of seeing a doctor of paediatrics | |
| CN208808886U (en) | A kind of multi-purpose intelligent wheelchair | |
| CN201036595Y (en) | Wheelchair for invalids | |
| CN214806119U (en) | Intelligent auxiliary sitting-up wheelchair | |
| CN2511277Y (en) | Multifunctional assembled bed | |
| CN102670368A (en) | Bed-chair integration robot based on omnidirectional mobile chassis | |
| CN201719457U (en) | Four-wheel rehabilitation walking vehicle with foot rests | |
| CN2675099Y (en) | Multifunctional wheel chair | |
| CN208760821U (en) | A kind of bicycle with pedal | |
| CN208989407U (en) | A kind of wheelchair having function of stretcher | |
| CN112741737A (en) | Deformable wheelchair type sickbed | |
| CN113350066A (en) | Real-time adjustment type movable base for wheelchair based on human body state | |
| CN214596218U (en) | Novel wheelchair convenient to adjust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |