CN111166572A - Old person's helping hand composite set that rises and lies - Google Patents
Old person's helping hand composite set that rises and lies Download PDFInfo
- Publication number
- CN111166572A CN111166572A CN202010096386.6A CN202010096386A CN111166572A CN 111166572 A CN111166572 A CN 111166572A CN 202010096386 A CN202010096386 A CN 202010096386A CN 111166572 A CN111166572 A CN 111166572A
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- Prior art keywords
- connecting rod
- long connecting
- steering
- long
- group
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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
- A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
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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
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
-
- 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
- A61G5/1051—Arrangements for steering
-
- 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
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
-
- 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
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
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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)
- Invalid Beds And Related Equipment (AREA)
Abstract
An old person standing and lying assistance combined device comprises a chassis, wherein a lifting device is arranged on the chassis and is connected with an adjustable seat mechanism; the angle adjustment of the adjustable seat is completed by the worm gear and the worm, and the adjustable seat can be switched between a sitting posture (chair) state and a lying posture (bed) state, so that a patient can select a more comfortable posture; the lifting device enables the seat to perform stable lifting movement; the wheel hub motor and the wheels on the chassis provide power for the wheelchair, and the parallel connecting rod device completes the steering function for the wheelchair under the driving of the motor; the invention has simple, safe and quick use and operation.
Description
Technical Field
The invention relates to the technical field of nursing of old people, in particular to a combined lifting and lying assisting device for the old people.
Background
The aging of the population has become a social problem worldwide, and thus the problem of the nursing service for the aged has become more and more prominent. Most of the existing wheelchairs in the market belong to the nature of medical appliances, have relatively few functions, cannot meet the requirement of people on comfort, and are not suitable for use in a household environment.
Based on the objective requirement that the old people need special nursing, and the desire for reducing the labor intensity of family members and nursing staff, the existing wheelchair on the market cannot meet the requirement, so that the electric wheelchair with complete functions, safety, reliability and high cost performance is needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a lifting and lying assisting combined device for the old, which can help the old to realize the functions of sitting up, knee bending, reading and eating, brings more comfort to the old and simultaneously reduces the burden of family nursing staff.
In order to achieve the purpose, the invention adopts the technical scheme that:
an old person standing and lying assistance combined device comprises a chassis, wherein a lifting device is arranged on the chassis and is connected with an adjustable seat mechanism;
the adjustable seat comprises a backrest 1, a seat board 23 is hinged to the bottom of the backrest 1, two sides of the backrest 1 are hinged to one end of a handrail 2, the other end of the handrail 2 is hinged to one end of a handrail connecting rod 24, and the other end of the handrail connecting rod 24 is hinged to one point of the seat board 23 and a leg supporting board 21; the lower part of the backrest 1 is connected with a 1/2 worm wheel 3, the edge of the 1/2 worm wheel 3 is meshed with a double-headed worm 4, the double-headed worm 4 is fixed on a seat plate 23 through a double-headed worm mounting seat 5, the double-headed worm 4 is meshed with the 1/4 worm wheel 22, and the 1/4 worm wheel 22 is connected on a leg support plate 21; the double-headed worm gear 25 fixedly connected to the double-headed worm 4 is meshed with the adjusting motor shaft gear 26, and the adjusting motor shaft gear 26 is fixedly connected to the output shaft of the adjusting motor 27.
The lifting device comprises a hexagonal disc group 6, the hexagonal disc group 6 and a short connecting rod group 7, the short connecting rod group 7 and a long connecting rod group 8, the long connecting rod group 8 and an incomplete gear connecting rod group 9 are connected by pins, and the gear end of the incomplete gear connecting rod group 9 and a support group 18 are connected by pins, so that relative rotation can be realized; the incomplete gear connecting rod group 9 is meshed with a fluted disc 16, the fluted disc 16 is installed on a fluted disc installation seat 17 in a matching way through a bearing, the fluted disc installation seat 17 is connected on a support group 18, and the support group 18 is fixedly connected on a disk seat 19; the disc base 19 is fixed with a lifting motor 13, the lifting motor 13 is connected with a lifting motor shaft gear 14, the lifting motor shaft gear 14 is meshed with a fluted disc shaft gear 15, the fluted disc shaft gear 15 is installed on a fluted disc shaft 35, and a fluted disc 16 is installed on the fluted disc shaft 35.
the upper ends of a first hexagonal disc 6-1, a first short connecting rod 7-1, a second short connecting rod 7-2 and a third short connecting rod 7-3 are hinged, the lower ends of the first short connecting rod 7-1, the second short connecting rod 7-2 and the third short connecting rod 7-3 are hinged with the upper ends of a first long connecting rod 8-1, a second long connecting rod 8-2 and a third long connecting rod 8-3, the middle parts of the first long connecting rod 8-1, the second long connecting rod 8-2 and the third long connecting rod 8-3 are hinged with the second hexagonal disc 6-2, the lower ends of the first long connecting rod 8-1, the second long connecting rod 8-2, the third long connecting rod 8-3 are hinged with the upper ends of a fourth long connecting rod 8-4, a fifth long connecting rod 8-5 and a sixth long connecting rod 8-6, the fourth long connecting rod 8-4, the fifth long connecting rod 8-5, The middle part of a sixth long connecting rod 8-6 is hinged with a third hexagonal disc 6-3, the upper ends of a fourth long connecting rod 8-4, a fifth long connecting rod 8-5, the lower end of the sixth long connecting rod 8-6, a seventh long connecting rod 8-7, an eighth long connecting rod 8-8 and a ninth long connecting rod 8-9 are hinged, the middle part of the seventh long connecting rod 8-7, the eighth long connecting rod 8-8 and the ninth long connecting rod 8-9 is hinged with the fourth hexagonal disc 6-4, the lower ends of the seventh long connecting rod 8-7, the eighth long connecting rod 8-8 and the ninth long connecting rod 8-9 are hinged with a first incomplete gear connecting rod 9-1, a second incomplete gear connecting rod 9-2 and a third incomplete gear connecting rod 9-3 without teeth.
The chassis comprises a frame 12, a storage battery 10 and a steering motor 20 are connected to the frame 12, a wheel set 11 below the frame 12 is respectively connected to a steering short connecting rod group 30 and a rear wheel shaft 34 through a wheel connecting shaft group 29, and the steering short connecting rod group 30 is connected with one end of a steering long connecting rod group; the other end of the steering long connecting rod group is matched with the steering joint 31 and can rotate relatively; the output shaft of the steering motor 20 is connected with one end of a steering motor connecting rod 32, and the other end of the steering motor connecting rod 32 penetrates through a steering joint 31, so that an equivalent parallel four-bar linkage mechanism formed by the steering short connecting rod group 30, the steering long connecting rod group and the frame 12 realizes the steering function.
The steering long connecting rod group consists of a first steering long connecting rod 33-1 and a second steering long connecting rod 33-2; the steering short connecting rod group 30 consists of two steering short connecting rods; the wheel set 11 consists of six wheels, two are arranged in front and four are arranged in back; the wheel connecting shaft group 29 is composed of four wheel connecting shafts, wherein the front two wheel connecting shafts are respectively connected with one wheel in a matching way, and the rear two wheel connecting shafts are respectively connected with two wheels in a matching way.
The invention has the beneficial effects that:
the posture of the adjustable seat can be flexibly switched between a sitting posture (chair) state and a lying posture (bed) state, so that a patient can select a more comfortable sitting posture. The adjustable seat can be flexibly switched from a sitting posture (chair) state to a lying posture (bed) state, so that the patient can be conveniently transferred between a sickbed and a wheelchair, and the physical expenditure is reduced in the transferring process. Simple, safe and quick to use and operate.
Drawings
FIG. 1 is a schematic side view of the right and left shafts of the present invention.
Fig. 2 is a schematic view of the structure of an adjustable seat of the present invention.
Fig. 3 is a schematic structural diagram of the lifting device of the present invention.
Fig. 4 is a schematic structural diagram of the chassis of the present invention.
Detailed Description
The invention is further described below with reference to examples and figures.
Referring to fig. 1 and 2, the lifting and lying assisting combined device for the old comprises a chassis, wherein a lifting device is arranged on the chassis and is connected with an adjustable seat mechanism;
the adjustable seat comprises a backrest 1, a seat board 23 is hinged to the bottom of the backrest 1, two sides of the backrest 1 are hinged to one end of a handrail 2, the other end of the handrail 2 is hinged to one end of a handrail connecting rod 24, and the other end of the handrail connecting rod 24 is hinged to one point of the seat board 23 and a leg supporting board 21; the lower part of the backrest 1 is connected with a 1/2 worm wheel 3, the edge of the 1/2 worm wheel 3 is meshed with a double-headed worm 4, the double-headed worm 4 is fixed on a seat plate 23 through a double-headed worm mounting seat 5, the double-headed worm 4 is meshed with the 1/4 worm wheel 22, and the 1/4 worm wheel 22 is connected on a leg support plate 21; a double-headed worm gear 25 fixedly connected to the double-headed worm 4 is meshed with an adjusting motor shaft gear 26, and the adjusting motor shaft gear 26 is fixedly connected to an output shaft of an adjusting motor 27; when the seat is adjusted, the adjusting motor 27 drives the motor shaft gear to rotate 26, the motor shaft gear 26 drives the double-headed worm gear 25 to rotate, and the double-headed worm 4 drives the 1/4 worm wheel 22 and the 1/2 worm wheel 3 to rotate, so that the backrest 1 and the leg support plate 21 synchronously rotate to complete the adjusting function.
Referring to fig. 3, the lifting device comprises a hexagonal disc group 6, the hexagonal disc group 6 and a short connecting rod group 7, the short connecting rod group 7 and a long connecting rod group 8, the long connecting rod group 8 and an incomplete gear connecting rod group 9 have no-tooth end, and the incomplete gear connecting rod group 9 has a gear end connected with a support group 18 by pins, so that relative rotation can be realized; the incomplete gear connecting rod group 9 is meshed with a fluted disc 16, the fluted disc 16 is installed on a fluted disc installation seat 17 in a matching way through a bearing, the fluted disc installation seat 17 is connected on a support group 18, and the support group 18 is fixedly connected on a disk seat 19; a lifting motor 13 is fixed on the disc seat 19, the lifting motor 13 is connected with a lifting motor shaft gear 14, the lifting motor shaft gear 14 is meshed with a fluted disc shaft gear 15, the fluted disc shaft gear 15 is installed on a fluted disc shaft 35, and a fluted disc 16 is installed on the fluted disc shaft 35; when the lifting mechanism is lifted, the lifting motor 13 drives the lifting motor shaft gear 14 to rotate, the lifting motor shaft gear 14 drives the gear disc shaft 35 to rotate, the gear disc shaft 35 drives the gear disc 16 to rotate, the gear disc 16 drives the incomplete gear connecting rod 9 to rotate, the incomplete gear connecting rod 9 drives the connecting rod to move, the hexagonal disc group 6 is driven by the matching of the connecting rods to move, the hexagonal disc group 6 drives the seat plate 23 to move, and the lifting function is completed.
the upper ends of a first hexagonal disc 6-1, a first short connecting rod 7-1, a second short connecting rod 7-2 and a third short connecting rod 7-3 are hinged, the lower ends of the first short connecting rod 7-1, the second short connecting rod 7-2 and the third short connecting rod 7-3 are hinged with the upper ends of a first long connecting rod 8-1, a second long connecting rod 8-2 and a third long connecting rod 8-3, the middle parts of the first long connecting rod 8-1, the second long connecting rod 8-2 and the third long connecting rod 8-3 are hinged with the second hexagonal disc 6-2, the lower ends of the first long connecting rod 8-1, the second long connecting rod 8-2, the third long connecting rod 8-3 are hinged with the upper ends of a fourth long connecting rod 8-4, a fifth long connecting rod 8-5 and a sixth long connecting rod 8-6, the fourth long connecting rod 8-4, the fifth long connecting rod 8-5, The middle part of a sixth long connecting rod 8-6 is hinged with a third hexagonal disc 6-3, the upper ends of a fourth long connecting rod 8-4, a fifth long connecting rod 8-5, the lower end of the sixth long connecting rod 8-6, a seventh long connecting rod 8-7, an eighth long connecting rod 8-8 and a ninth long connecting rod 8-9 are hinged, the middle part of the seventh long connecting rod 8-7, the eighth long connecting rod 8-8 and the ninth long connecting rod 8-9 is hinged with the fourth hexagonal disc 6-4, the lower ends of the seventh long connecting rod 8-7, the eighth long connecting rod 8-8 and the ninth long connecting rod 8-9 are hinged with a first incomplete gear connecting rod 9-1, a second incomplete gear connecting rod 9-2 and a third incomplete gear connecting rod 9-3 without teeth.
Referring to fig. 4, the chassis includes a frame 12, a battery 10 and a steering motor 20 are connected to the frame 12 through bolts, a wheel set 11 below the frame 12 is respectively connected to a steering short link group 30 and a rear wheel shaft 34 through a wheel connecting shaft group 29, and the steering short link group 30 is connected to one end of the steering long link group through a pin; the other end of the steering long connecting rod group is matched with the steering joint 31 and can rotate relatively; the output shaft of the steering motor 20 is connected with one end of a steering motor connecting rod 32, and the other end of the steering motor connecting rod 32 penetrates through a steering joint 31, so that an equivalent parallel four-bar linkage mechanism formed by the steering short connecting rod group 30, the steering long connecting rod group and the frame 12 can move, and the steering function is further realized; when the vehicle moves, the wheels 29 rotate when the storage battery 10 is electrified, and the steering motor 20 drives the steering motor link 32 to complete the steering action when the storage battery 10 is electrified.
The steering long connecting rod group consists of a first steering long connecting rod 33-1 and a second steering long connecting rod 33-2; the steering short connecting rod group 30 consists of two steering short connecting rods; the wheel set 11 consists of six wheels, two are arranged in front and four are arranged in back; the wheel connecting shaft group 29 is composed of four wheel connecting shafts, wherein the front two wheel connecting shafts are respectively connected with one wheel in a matching way, and the rear two wheel connecting shafts are respectively connected with two wheels in a matching way.
Claims (5)
1. The utility model provides an old person's helping hand composite set that rises and crouches, includes the chassis, its characterized in that: the chassis is provided with a lifting device which is connected with an adjustable seat mechanism;
the adjustable seat comprises a backrest (1), a seat board (23) is hinged to the bottom of the backrest (1), two sides of the backrest (1) are hinged to one end of a handrail (2), the other end of the handrail (2) is hinged to one end of a handrail connecting rod (24), and the other end of the handrail connecting rod (24) is hinged to one point with the seat board (23) and a leg supporting board (21); the lower part of the backrest (1) is connected with a 1/2 worm wheel (3), the edge of the 1/2 worm wheel (3) is meshed with a double-headed worm (4), the double-headed worm (4) is fixed on a seat plate (23) through a double-headed worm mounting seat (5), the double-headed worm (4) is meshed with the 1/4 worm wheel (22), and the 1/4 worm wheel (22) is connected on a leg support plate (21); a double-head worm gear (25) fixedly connected to the double-head worm (4) is meshed with an adjusting motor shaft gear (26), and the adjusting motor shaft gear (26) is fixedly connected to an output shaft of an adjusting motor (27).
2. The lift and sleep assisting combination device for the old according to claim 1, characterized in that: the lifting device comprises a hexagonal plate group (6), the hexagonal plate group (6) and a short connecting rod group (7), the short connecting rod group (7) and a long connecting rod group (8), the long connecting rod group (8) and an incomplete gear connecting rod group (9) are connected by pins, and the gear end of the incomplete gear connecting rod group (9) and a support group (18) are connected by pins and can realize relative rotation; the incomplete gear connecting rod set (9) is meshed with a fluted disc (16), the fluted disc (16) is installed on a fluted disc installation seat (17) in a matching way through a bearing, the fluted disc installation seat (17) is connected on a support set (18), and the support set (18) is fixedly connected on a disk seat (19); the disc seat (19) is fixedly provided with a lifting motor (13), the lifting motor (13) is connected with a lifting motor shaft gear (14), the lifting motor shaft gear (14) is meshed with a fluted disc shaft gear (15), the fluted disc shaft gear (15) is arranged on a fluted disc shaft (35), and a fluted disc (16) is arranged on the fluted disc shaft (35).
3. The combined lifting and lying assisting device for the old according to claim 2, characterized in that: hexagonal dish group (6) constitute by four hexagonal dishes, from top to bottom do in proper order: a first hexagonal disc (6-1), a second hexagonal disc (6-2), a third hexagonal disc (6-3) and a fourth hexagonal disc (6-4); the short connecting rod group (7) comprises a first short connecting rod (7-1), a second short connecting rod (7-2) and a third short connecting rod (7-3); the long connecting rod group (8) comprises a first long connecting rod (8-1), a second long connecting rod (8-2), a third long connecting rod (8-3), a fourth long connecting rod (8-4), a fifth long connecting rod (8-5), a sixth long connecting rod (8-6), a seventh long connecting rod (8-7), an eighth long connecting rod (8-8) and a ninth long connecting rod (8-9); the incomplete gear connecting rod group (9) consists of three incomplete gear connecting rods, namely a first incomplete gear connecting rod (9-1), a second incomplete gear connecting rod (9-2) and a third incomplete gear connecting rod (9-3);
the upper ends of a first hexagonal disc (6-1), a first short connecting rod (7-1), a second short connecting rod (7-2) and a third short connecting rod (7-3) are hinged, the upper ends of the first short connecting rod (7-1), the second short connecting rod (7-2) and the third short connecting rod (7-3) are hinged with a first long connecting rod (8-1), a second long connecting rod (8-2) and a third long connecting rod (8-3), the middle parts of the first long connecting rod (8-1), the second long connecting rod (8-2) and the third long connecting rod (8-3) are hinged with a second hexagonal disc (6-2), the lower ends of the first long connecting rod (8-1), the second long connecting rod (8-2), the third long connecting rod (8-3), a fourth long connecting rod (8-4) and a fifth long connecting rod (8-5), The upper end of a sixth long connecting rod (8-6) is hinged, the middle part of the fourth long connecting rod (8-4), the fifth long connecting rod (8-5), the sixth long connecting rod (8-6) is hinged with a third hexagonal disc (6-3), the lower end of the fourth long connecting rod (8-4), the fifth long connecting rod (8-5), the sixth long connecting rod (8-6) is hinged with a seventh long connecting rod (8-7), an eighth long connecting rod (8-8) and the upper end of a ninth long connecting rod (8-9), the seventh long connecting rod (8-7), the eighth long connecting rod (8-8), the ninth long connecting rod (8-9) is hinged with the middle part of the fourth hexagonal disc (6-4), the seventh long connecting rod (8-7), the eighth long connecting rod (8-8), the ninth long connecting rod (8-9) and the lower end of the first incomplete gear connecting rod (9-1), The second incomplete gear connecting rod (9-2) and the third incomplete gear connecting rod (9-3) are hinged without teeth.
4. The lift and sleep assisting combination device for the old according to claim 1, characterized in that: the chassis comprises a frame (12), a storage battery (10) and a steering motor (20) are connected to the frame (12), a wheel set (11) below the frame (12) is connected to a steering short connecting rod set (30) and a rear wheel shaft (34) through a wheel connecting shaft set (29), and the steering short connecting rod set (30) is connected with one end of the steering long connecting rod set; the other end of the steering long connecting rod group is matched with a steering joint (31) and can rotate relatively; an output shaft of the steering motor (20) is connected with one end of a steering motor connecting rod (32), and the other end of the steering motor connecting rod (32) penetrates through a steering joint (31), so that an equivalent parallel four-bar linkage mechanism consisting of the steering short connecting rod group (30), the steering long connecting rod group and the frame (12) realizes a steering function.
5. The combined lifting and lying assisting device for the old according to claim 4, characterized in that: the steering long connecting rod group consists of a first steering long connecting rod (33-1) and a second steering long connecting rod (33-2); the steering short connecting rod group (30) consists of two steering short connecting rods; the wheel set (11) consists of six wheels, two are arranged in front, and four are arranged in back; the wheel connecting shaft group (29) is composed of four wheel connecting shafts, wherein the front two wheel connecting shafts are respectively connected with one wheel in a matched mode, and the rear two wheel connecting shafts are respectively connected with two wheels in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010096386.6A CN111166572A (en) | 2020-02-17 | 2020-02-17 | Old person's helping hand composite set that rises and lies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010096386.6A CN111166572A (en) | 2020-02-17 | 2020-02-17 | Old person's helping hand composite set that rises and lies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111166572A true CN111166572A (en) | 2020-05-19 |
Family
ID=70624237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010096386.6A Pending CN111166572A (en) | 2020-02-17 | 2020-02-17 | Old person's helping hand composite set that rises and lies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111166572A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2711128Y (en) * | 2004-07-20 | 2005-07-20 | 张小驹 | Crossing type lifting apparatus |
| CN105853081A (en) * | 2016-03-18 | 2016-08-17 | 燕山大学 | Folding electrically propelled wheelchair stretcher |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
| CN110721037A (en) * | 2019-11-13 | 2020-01-24 | 河北工业大学 | Transfer equipment capable of being automatically and manually adjusted |
-
2020
- 2020-02-17 CN CN202010096386.6A patent/CN111166572A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2711128Y (en) * | 2004-07-20 | 2005-07-20 | 张小驹 | Crossing type lifting apparatus |
| CN105853081A (en) * | 2016-03-18 | 2016-08-17 | 燕山大学 | Folding electrically propelled wheelchair stretcher |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
| CN110721037A (en) * | 2019-11-13 | 2020-01-24 | 河北工业大学 | Transfer equipment capable of being automatically and manually adjusted |
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Application publication date: 20200519 |