CN111743702A - Old man who conveniently rises uses seat - Google Patents
Old man who conveniently rises uses seat Download PDFInfo
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- CN111743702A CN111743702A CN202010560997.1A CN202010560997A CN111743702A CN 111743702 A CN111743702 A CN 111743702A CN 202010560997 A CN202010560997 A CN 202010560997A CN 111743702 A CN111743702 A CN 111743702A
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- plate
- pair
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- support
- seat
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- 230000000630 rising effect Effects 0.000 claims description 5
- 210000002414 leg Anatomy 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/14—Standing-up or sitting-down aids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses an old man seat convenient to get up, which comprises a rear support, a front support, a pair of armrests, a movable plate, a lifting device, an auxiliary getting-up device and a pair of moving devices, wherein a controller assembly is arranged on the armrests, the movable plate is slidably arranged between the rear support and the front support, a seat plate is hinged to the upper surface of the movable plate, the lifting device is arranged on a lower support plate arranged between the rear support and the front support, the auxiliary getting-up device is arranged on the upper surface of the upper support plate, and the moving devices are arranged on the lower support plate and located on one side of the lifting device. The invention can improve the safety and convenience of the old, so that the invention is more convenient to use.
Description
Technical Field
The invention relates to the technical field of auxiliary instruments, in particular to a chair for the old, which is convenient to get up.
Background
With the improvement of the level of scientific and medical treatment, China has entered into an aging society, the number of old people over 60 years old is about two hundred million at present, and with the increase of age, the old people increasingly have inconvenient actions, and most of old people can sit on a chair all the time due to difficulty in walking, the chair in the prior art is single in structure, and the old people can cause dangers such as falling down due to uncoordinated body when getting up, so that the health of the old people is not facilitated.
Disclosure of Invention
In view of the above problems, a main object of the present invention is to provide a chair for old people which is easy to use and convenient to get up.
The object of the invention is achieved in the following way:
a chair for old people convenient to get up, comprising:
the lower end of the rear bracket is provided with a pair of fixed rollers at intervals, and the inner side of the rear bracket is provided with a rear sliding groove;
the lower end of the front bracket is provided with a pair of support legs at intervals, and the inner side of the front bracket is provided with a front sliding groove;
a pair of armrests mounted at an upper end between the rear bracket and the front bracket, the armrests having a controller assembly disposed thereon;
the movable plate is slidably mounted between the rear support and the front support, and a seat plate is hinged to the upper surface of the movable plate;
the lifting device is arranged on a lower support plate arranged between the rear support and the front support, and the upper ends of a pair of first hinge rods and a pair of second hinge rods of the lifting device are hinged below an upper support plate arranged between the rear support and the front support;
the auxiliary rising device is arranged on the upper support plate and comprises a lifting rod, a rotary drum, a connecting rod assembly and a driving assembly, wherein one end of the lifting rod is hinged to the upper support plate, the rotary drum is vertically connected with the lifting rod, the connecting rod assembly is connected to the upper end of the rotary drum, the driving assembly drives the connecting rod assembly to move, and the other end of the lifting rod is connected to the lower surface of the seat plate;
and the moving device is arranged on the lower support plate and positioned on one side of the lifting device, and comprises a moving cylinder arranged on the upper surface of the lower support plate and a moving roller connected below the moving cylinder.
Furthermore, the connecting rod assembly comprises a left lower connecting rod and a right lower connecting rod which are respectively connected to the left end and the right end of the rotary drum, the upper end of the left lower connecting rod is hinged to a left upper connecting rod, the upper end of the right lower connecting rod is hinged to a right upper connecting rod, the upper end of the left upper connecting rod is connected with a driving wheel of the driving assembly, and the upper end of the right upper connecting rod is connected with a driven wheel of the driving assembly.
Furthermore, the lifting device further comprises a lifting cylinder and a cross rod, the lifting cylinder is installed on the lower support plate, the cross rod is connected between the pair of second hinge rods, one end of the lifting cylinder is connected with a lifting telescopic rod, and the end part of the lifting telescopic rod is connected with the middle of the cross rod.
Furthermore, the first hinge rods and the corresponding second hinge rods are mutually crossed and hinged, first idler wheels are arranged below the pair of first hinge rods, second idler wheels are arranged below the pair of second hinge rods, and the first idler wheels and the second idler wheels roll in the upper slide grooves on the corresponding sides of the lower support plate.
Furthermore, the driving assembly further comprises a motor and a fixing plate, the fixing plate is installed below the moving plate, the motor is installed on the back face of the fixing plate, the driving wheel is connected to the output end of the motor, and the driven wheel is meshed and connected below the driving wheel.
Furthermore, the other end of the lifting rod is connected with an auxiliary block, a pair of auxiliary rods is connected to the upper surface of the auxiliary block, and the upper ends of the pair of auxiliary rods are connected to the lower surface of the seat plate.
Furthermore, the front end and the rear end of the rotating shaft are respectively sleeved with a front fixing sleeve and a rear fixing sleeve, and the rotating cylinder is positioned between the front fixing sleeve and the rear fixing sleeve.
Further, the controller assembly includes a lift controller, a sit-up controller, and a movement controller.
Furthermore, the two ends of the upper support plate and the movable plate respectively slide in the rear sliding groove and the front sliding groove, the upper end of the rear support is provided with a chair back, and the inner side of the chair back is provided with a pillow.
Furthermore, a plurality of support rods are arranged between the upper support plate and the moving plate.
The invention has the beneficial effects that:
1. the lifting device and the auxiliary rising device are arranged in the invention and can be matched with each other to enable the old to rise and sit without help, so that the old can use the lifting device and the auxiliary rising device more conveniently;
2. the mobile device is arranged in the chair, so that the old can walk by pushing the chair, the walking exercise of the old is facilitated, the difficulty of dragging the chair by the old is avoided, and the chair is more convenient for the old to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1 at a.
Fig. 3 is a partially enlarged view of fig. 1 at B.
Fig. 4 is a right side view of a partial structure of the uprisal-assist apparatus of the present invention.
The notation in the figure is: the back support 1, the back sliding groove 11, the chair back 12, the pillow 121, the fixed roller 13, the lower support plate 14, the upper sliding groove 141, the upper support plate 15, the support rod 16, the front support 2, the front sliding groove 21, the moving plate 22, the seat plate 23, the support leg 24, the armrest 3, the lifting controller 31, the sitting-up controller 32, the moving controller 33, the lifting device 4, the lifting cylinder 41, the lifting telescopic rod 411, the first hinge rod 42, the first roller 421, the second hinge rod 43, the second roller 431, the cross rod 44, the auxiliary standing device 5, the lifting rod 51, the auxiliary block 511, the auxiliary rod 512, the rotating shaft 52, the front fixing sleeve 521, the rear fixing sleeve 522, the rotating cylinder 54, the left lower connecting rod 541, the left upper connecting rod 542, the right lower connecting rod 543, the right upper connecting rod 544, the motor 55, the driving wheel 56, the driven wheel 57, the fixing plate 58, the moving device 6, the moving.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the chair for the elderly convenient to get up shown in fig. 1 comprises a rear bracket 1, a front bracket 2, a pair of armrests 3, a movable plate 22, a lifting device 4, an auxiliary getting-up device 5 and a pair of moving devices 6, wherein a pair of fixed rollers 13 is installed at the lower end of the rear bracket 1 at intervals, a rear chute 11 is opened at the inner side of the rear bracket 1, a pair of support legs 24 is installed at the lower end of the front bracket 2 at intervals, the fixed rollers 13 and the support legs 24 are matched to prevent the chair from moving, so that the elderly can sit down conveniently, the fixed rollers 13 and the moving rollers 62 are matched to realize the movement of the chair, so that the chair can be stably placed and conveniently moved, a front chute 21 is opened at the inner side of the front bracket 2, and the armrests 3 are installed at the upper end between the rear bracket 1 and the front bracket 2, the armrest 3 is provided with a controller assembly, the moving plate 22 is slidably mounted between the rear bracket 1 and the front bracket 2, the moving plate 22 is located between the armrest 3 and the upper support plate 15, the upper surface of the moving plate 22 is hinged with a seat plate 23, specifically, one end of the seat plate 23 close to the front bracket 2 is hinged with the moving plate 22, the lifting device 4 is arranged on the lower support plate 14 mounted between the rear bracket 1 and the front bracket 2, the upper ends of a pair of first hinge rods 42 and a pair of second hinge rods 43 of the lifting device 4 are hinged below the upper support plate 15 mounted between the rear bracket 1 and the front bracket 2, the auxiliary standing device 5 is mounted on the upper support plate 15, and the auxiliary standing device 5 comprises a lifting rod 51 with one end hinged on the upper support plate 15, a rotating drum 54 vertically connected with the lifting rod 51, and a rotating drum 54 vertically connected with the lifting rod 51, The other end of the lifting rod 51 is connected to the lower surface of the seat plate 23, the moving device 6 is mounted on the lower support plate 14 and located at one side of the lifting device 4, the moving device 6 comprises a moving cylinder 61 mounted on the lower support plate 14 and a moving roller 62 connected below the moving cylinder 61, the moving controller 33 is controlled to enable the moving roller 62 to move up and down, when the moving roller 62 moves down, the moving roller 62 and the fixed roller 13 are used in cooperation to enable the seat to move conveniently, and when the moving roller 62 is retracted, the support leg 24 and the fixed roller 13 are used in cooperation to enable the seat to be fixed.
As shown in fig. 3, the link assembly includes a left lower link 541 and a right lower link 543 connected to the left end and the right end of the drum 54, respectively, an upper end of the left lower link 541 is hinged to a left upper link 542, an upper end of the right lower link 543 is hinged to a right upper link 544, an upper end of the left upper link 542 is connected to the driving wheel 56 of the driving assembly, and an upper end of the right upper link 544 is connected to the driven wheel 57 of the driving assembly.
As shown in fig. 2, the lifting device 4 further includes a lifting cylinder 41 and a cross bar 44, the lifting cylinder 41 is mounted on the lower support plate 14, the cross bar 44 is connected between the pair of second hinge rods 43, one end of the lifting cylinder 41 is connected to a lifting telescopic rod 411, and an end of the lifting telescopic rod 411 is connected to a middle of the cross bar 44.
Preferably, the first hinge rods 42 and the corresponding second hinge rods 43 are mutually crossed and hinged, a first roller 421 is disposed under each pair of the first hinge rods 42, a second roller 431 is disposed under each pair of the second hinge rods 43, and the first roller 421 and the second roller 431 roll in the upper sliding grooves 141 on the corresponding sides of the lower support plate 14.
The lifting cylinder 41 drives the lifting telescopic rod 411 to retract, so that under the action of the cross rod 44, the lower ends of the pair of second hinge rods 43 are pulled to move towards the direction close to the lifting cylinder 41, under the action of the second hinge rods 43, the lower ends of the second hinge rods 43 can move towards the direction far away from the lifting cylinder 41, so that the pair of first hinge rods 42 and the pair of second hinge rods 43 are close to each other and jack up the upper support plate 15, the upper support plate 15 moves upwards to enable the support rod 16 to jack up the moving plate 22, and therefore the bending of legs of the old can be reduced when the old person gets up, and the old person can get up more conveniently.
Preferably, the driving assembly further comprises a motor 55 and a fixed plate 58, the fixed plate 58 is mounted below the moving plate 22, the motor 55 is mounted on the back of the fixed plate 58, the driving wheel 56 is connected to the output end of the motor 55, and the driven wheel 57 is connected below the driving wheel 56 in a meshing manner.
Preferably, the other end of the lifting rod 51 is connected with an auxiliary block 511, a pair of auxiliary rods 512 is connected to the upper surface of the auxiliary block 511, and the upper ends of the pair of auxiliary rods 512 are connected to the lower surface of the seat plate 23.
As shown in fig. 4, the front end and the rear end of the rotating shaft 52 are respectively sleeved with a front fixing sleeve 521 and a rear fixing sleeve 522, the rotating cylinder 54 is located between the front fixing sleeve 521 and the rear fixing sleeve 522, and the front fixing sleeve 521 and the rear fixing sleeve 522 can prevent the rotating cylinder 54 from separating from the rotating shaft 52, so that the use is safer.
Preferably, the controller subassembly includes lift controller 31, rises to sit controller 32 and mobile controller 33, lift controller 31 rise to sit controller 32 with mobile controller 33 all is equipped with on-off control button, upward control button and down control button, and when the old man does not use for a long time, the on-off control button that can press each subassembly makes each device be in off-state, can avoid unexpected emergence like this, presses the on-off control button of each subassembly once more during the use and makes each device be in on-state reuse can.
Preferably, the two ends of the upper support plate 15 and the moving plate 22 respectively slide in the rear sliding groove 11 and the front sliding groove 21, the upper end of the rear support 1 is provided with a chair back 12, the inner side of the chair back 12 is provided with a pillow 121, and the pillow 121 makes the elderly feel more comfortable when sitting on the chair.
Preferably, a plurality of support rods 16 are arranged between the upper support plate 15 and the moving plate 22, the number of the support rods 16 is four, and four support rods 16 can enable each device to move more stably.
The working principle is as follows: when the old man sits down, the upward control button of the mobile controller 33 is pressed to make the mobile cylinder 61 take the mobile roller 62 to retract, so that the mobile roller 62 originally supported on the ground is retracted, so that the legs 24 are supported on the ground, so that the seat is fixed, when the old man needs to get up, the upward control button of the lifting controller 31 is pressed to make the lifting cylinder 41 take the lifting telescopic rod 411 to retract, so that the pair of first hinge rods 42 and the pair of second hinge rods 43 jack up the upper support plate 15, so that the moving plate 22 is jacked up, so that the old man can make the originally vertical thighs and calves convenient for slight bending state, so that the old man can get up, the upward button of the lifting controller 32 is pressed again to make the motor 55 rotate clockwise, so that the driving wheel 56 rotates clockwise and the driven wheel 57 rotates counterclockwise, the clockwise rotation of the driving wheel 56 causes the clockwise rotation of the left upper link 542 and the clockwise rotation of the left lower link 541, the counterclockwise rotation of the driven wheel 57 causes the counterclockwise rotation of the right upper link 544 and the upward rotation of the right lower link 543, the upward movement of the left lower link 541 and the right lower link 543 simultaneously causes the upward movement of the energy-collecting carrying drum 54, thereby causing the lifting rod 51 to rotate counterclockwise around the hinge point with the upper support plate 15, the rotation of the lifting rod 51 causes the auxiliary block 511 and the auxiliary rod 512 to rotate, thereby causing the auxiliary rod 512 to bear against the seat plate 23, causing the end of the seat plate 23 near the rear bracket 1 to rise, such that the rear bracket 1 is in a tilted state, and thus the elderly can get up.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a convenient old man who stands up uses seat which characterized in that includes:
the device comprises a rear support (1), wherein a pair of fixed rollers (13) is installed at the lower end of the rear support (1) at intervals, and a rear sliding groove (11) is formed in the inner side of the rear support (1);
the lower end of the front support (2) is provided with a pair of support legs (24) at intervals, and the inner side of the front support (2) is provided with a front sliding groove (21);
the pair of armrests (3), the armrests (3) are installed at the upper end between the rear support (1) and the front support (2), and a controller assembly is arranged on the armrests (3);
the movable plate (22), the movable plate (22) is slidably mounted between the rear bracket (1) and the front bracket (2), and a seat plate (23) is hinged to the upper surface of the movable plate (22);
the lifting device (4) is arranged on a lower support plate (14) arranged between the rear bracket (1) and the front bracket (2), and the upper ends of a pair of first hinge rods (42) and a pair of second hinge rods (43) of the lifting device (4) are hinged below an upper support plate (15) arranged between the rear bracket (1) and the front bracket (2);
the auxiliary rising device (5) is installed above the upper supporting plate (15), the auxiliary rising device (5) comprises a lifting rod (51) with one end hinged on the upper supporting plate (15), a rotary drum (54) vertically connected with the lifting rod (51), a connecting rod assembly connected to the upper end of the rotary drum (54) and a driving assembly for driving the connecting rod assembly to move, and the other end of the lifting rod (51) is connected below the seat plate (23);
and the moving device (6) is arranged on the lower support plate (14) and positioned on one side of the lifting device (4), and the moving device (6) comprises a moving cylinder (61) arranged on the lower support plate (14) and a moving roller (62) connected below the moving cylinder (61).
2. The easy-to-get-up geriatric chair according to claim 1, wherein the linkage assembly includes a left lower link (541) and a right lower link (543) connected to left and right ends of the drum (54), respectively, an upper end of the left lower link (541) is hinged to a left upper link (542), an upper end of the right lower link (543) is hinged to a right upper link (544), an upper end of the left upper link (542) is connected to the driving wheel (56) of the driving assembly, and an upper end of the right upper link (544) is connected to the driven wheel (57) of the driving assembly.
3. The get-up facilitating old people seat according to claim 1, wherein the lifting device (4) further comprises a lifting cylinder (41) and a cross bar (44), the lifting cylinder (41) is installed on the lower support plate (14), the cross bar (44) is connected between the pair of second hinge rods (43), one end of the lifting cylinder (41) is connected with a lifting telescopic rod (411), and the end of the lifting telescopic rod (411) is connected with the middle of the cross bar (44).
4. The easy-to-get-up geriatric chair according to claim 3, wherein the first hinge rods (42) and the corresponding second hinge rods (43) are intersected and hingedly connected to each other, a first roller (421) is provided under each of the pair of first hinge rods (42), a second roller (431) is provided under each of the pair of second hinge rods (43), and the first roller (421) and the second roller (431) roll in the upper chutes (141) on the corresponding sides of the lower support plate (14).
5. The easy-to-get-up geriatric chair according to claim 2, wherein the drive assembly further comprises a motor (55) and a fixed plate (58), the fixed plate (58) is mounted below the moving plate (22), the motor (55) is mounted on the back of the fixed plate (58), the driving wheel (56) is connected to the output end of the motor (55), and the driven wheel (57) is engaged and connected below the driving wheel (56).
6. The rise-convenient geriatric chair according to claim 5, wherein an auxiliary block (511) is connected to the other end of the lifting rod (51), a pair of auxiliary rods (512) are connected to the upper side of the auxiliary block (511), and the upper ends of the pair of auxiliary rods (512) are connected to the lower side of the seat plate (23).
7. The easy-to-get-up geriatric seat according to claim 6, wherein the front end and the rear end of the rotating shaft (52) are respectively sleeved with a front harness (521) and a rear harness (522), and the rotating cylinder (54) is located between the front harness (521) and the rear harness (522).
8. The easy-to-rise geriatric seat according to claim 1, wherein the controller assembly includes a lift controller (31), a sit-up controller (32), and a movement controller (33).
9. The get-up facilitating seat for the elderly according to claim 1, wherein both ends of the upper support plate (15) and the moving plate (22) slide in the rear sliding groove (11) and the front sliding groove (21), respectively, a seat back (12) is provided at an upper end of the rear support (1), and a pillow (121) is provided at an inner side of the seat back (12).
10. The easy-to-rise geriatric chair according to claim 9, wherein a plurality of support bars (16) are provided between the upper support plate (15) and the moving plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010560997.1A CN111743702A (en) | 2020-06-18 | 2020-06-18 | Old man who conveniently rises uses seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010560997.1A CN111743702A (en) | 2020-06-18 | 2020-06-18 | Old man who conveniently rises uses seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111743702A true CN111743702A (en) | 2020-10-09 |
Family
ID=72676352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010560997.1A Withdrawn CN111743702A (en) | 2020-06-18 | 2020-06-18 | Old man who conveniently rises uses seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN111743702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842724A (en) * | 2021-01-14 | 2021-05-28 | 宁波大学 | Integral type old person stands up walking auxiliary device |
| CN114404196A (en) * | 2022-02-11 | 2022-04-29 | 武汉大学 | Horizontal rehabilitation device for waist |
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| CN207826119U (en) * | 2018-01-31 | 2018-09-07 | 安徽文达信息工程学院 | A kind of over capacity vehicle telescopic luggage carrier |
| CN208345668U (en) * | 2018-03-07 | 2019-01-08 | 苏州朗斯德工业自动化有限公司 | A kind of Novel scissors blade elevating mechanism |
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| CN111202635A (en) * | 2019-08-19 | 2020-05-29 | 绍兴文理学院元培学院 | Auxiliary supporting seat device |
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| CN110812021A (en) * | 2019-11-15 | 2020-02-21 | 三峡大学 | Walking aid vehicle convenient for sitting and walking and using method |
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| CN112842724B (en) * | 2021-01-14 | 2023-09-08 | 宁波大学 | Integrated standing and walking auxiliary device for old people |
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