CN112252613A - Old branch of academic or vocational study nursing is with automatic wall handrail that moves - Google Patents
Old branch of academic or vocational study nursing is with automatic wall handrail that moves Download PDFInfo
- Publication number
- CN112252613A CN112252613A CN202011044332.1A CN202011044332A CN112252613A CN 112252613 A CN112252613 A CN 112252613A CN 202011044332 A CN202011044332 A CN 202011044332A CN 112252613 A CN112252613 A CN 112252613A
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- China
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- fixed
- handrail
- rotating motor
- wall
- bottom plate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/1802—Handrails mounted on walls, e.g. on the wall side of stairs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/1802—Handrails mounted on walls, e.g. on the wall side of stairs
- E04F11/1808—Handrail members; Connections between handrail members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1868—Miscellaneous features of handrails not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1868—Miscellaneous features of handrails not otherwise provided for
- E04F2011/1876—Movable elements, e.g. against sunlight
Abstract
The invention relates to an automatic wall moving handrail for nursing of the elderly, which relates to the technical field of medical care.A gear is fixed on the output end of a forward and reverse rotating motor, the forward and reverse rotating motor is fixed on a bottom plate, the forward and reverse rotating motor is electrically connected with a power supply, the power supply is fixed on the bottom plate, the forward and reverse rotating motor is electrically connected with two control switches, the two control switches are respectively embedded in the left end and the right end of the top wall of an outer cover plate, infrared inductors are embedded in the left end and the right end of an adjustable handrail, the infrared inductors are connected with a controller, the controller is connected with the control switches, and the controller is fixed on the bottom wall of a guide slide bar; the outer side wall of the elbow is provided with a notch, and the adjustable handrail is movably arranged in the notch in a penetrating mode. The temporary support function can be provided at the positions where the access and the ward door cannot be installed, the whole-course support is provided for the patient to move forward, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of medical care, in particular to an automatic wall moving handrail for nursing of the aged.
Background
A wall-moving handrail is a structure used in hospitals or rehabilitation centers to provide support for patients walking. The existing wall moving handrails are all fixed mounting structures and cannot be mounted in certain areas, so that discontinuous non-support conditions exist in the walking process of a patient, for example, the wall moving handrails cannot be mounted at positions such as an entrance and a ward doorway, and at the moment, if the patient needs to continue walking, the wall moving handrail cannot be supported, so that potential safety hazards exist, and improvement is needed urgently.
Disclosure of Invention
The invention aims to provide a reasonably designed automatic wall moving handrail for nursing of the elderly, aiming at the defects and shortcomings of the prior art, and the handrail can provide a temporary support function at positions where the entrance, the exit, the entrance and the like of a ward cannot be installed, provide full support for the patient to move forwards and improve the safety.
In order to achieve the purpose, the invention adopts the following technical scheme: it comprises a handrail body, an elbow and a fixed seat; elbows are fixed at two ends of the armrest body, fixing seats are fixed on the back surfaces of two ends of the armrest body, and the inner end surfaces of the fixing seats are flush with the inner end surfaces of the elbows; the electric bicycle further comprises an adjustable handrail, a first rack, a first gear, a power supply, a first forward and reverse rotating motor, a control switch, a controller and an infrared sensor; the handrail body consists of a bottom plate and an outer cover plate; the front side cover of the bottom plate is provided with an outer cover plate, the middle part of the front side wall of the bottom plate is integrally formed with a guide slide bar, the front end of the guide slide bar is of a dovetail structure, the dovetail-shaped structure is slidably clamped in a dovetail groove formed in the back surface of the adjustable handrail, a first rack is fixed on the bottom surface of the adjustable handrail and is meshed with a first gear, the first gear is fixed on the output end of a first forward and reverse rotating motor, the first forward and reverse rotating motor is fixed on a bottom plate, the first forward and reverse rotation motor is electrically connected with a power supply which is fixed on the bottom plate, the first forward and reverse rotation motor is electrically connected with two control switches which are respectively embedded in the left end and the right end of the top wall of the outer cover plate, infrared sensors are embedded at the left end and the right end of the adjustable handrail and are connected with a controller, the controller is connected with a control switch, and the controller is fixed on the bottom wall of the guide sliding rod; the outer side wall of the elbow is provided with a notch, and the adjustable handrail is movably arranged in the notch in a penetrating mode.
Furthermore, the upper surface of the adjustable armrest is fixed with anti-collision cotton.
Furthermore, a rubber cover is fixed in the notch.
Furthermore, the first forward and reverse rotating motor is fixed on the front side wall of the bottom plate by a motor support.
Furthermore, the left end and the right end of the bottom wall of the outer cover plate are respectively fixed with a screw rod, the screw rods penetrate through the auxiliary rods, the screw rods positioned below the auxiliary rods are in threaded connection with adjusting nuts in a screwing mode, the screw rods positioned above the auxiliary rods are sleeved with springs, and the springs are abutted between the adjusting nuts and the bottom wall of the outer cover plate; the auxiliary rod is movably sleeved with a lantern ring, and the lantern ring is connected with a hook by a chain.
Furthermore, a slide rail is fixedly arranged on the back surface of the bottom plate, a slide block is arranged on the slide rail in a sliding manner, a second forward and reverse rotating motor is fixedly arranged on the back surface of the slide block, a second gear is fixedly arranged on the output end of the second forward and reverse rotating motor, the second gear is meshed with a second rack, the second rack is fixedly arranged on the back surface of the bottom plate, a sterilized cotton mounting plate is fixedly arranged on the upper part of the second forward and reverse rotating motor by utilizing a connecting rod, sterilized cotton is embedded at the bottom of the sterilized cotton mounting plate, and the bottom surface of the sterilized cotton abuts against the upper surface of the outer cover plate; the second forward and reverse rotating motor is electrically connected with a power supply.
The working principle of the invention is as follows: when a patient holds the handrail body to walk to a position of a passage opening or a doorway without the handrail body, a control switch close to one end of the patient is pressed by hand to start a forward and reverse rotating motor to rotate forward, the first forward and reverse rotating motor drives a first gear to rotate, the first gear is meshed with a first rack, so that the adjustable handrail is driven to move towards a notch close to one end of the patient and extend out of the notch at the end until the extending end is adjacent to the end part of the handrail body at the other side of the passage opening or the doorway, the control switch at the end is manually closed, then the patient holds the adjustable handrail to walk until the patient walks to the handrail body at the other side of the passage opening or the doorway, and at the moment, the patient shakes by using the hand positioned at the extending end of the adjustable handrail, after the infrared sensor in this position senses the human body, then trigger control ware, the control switch of notch department that the controller control extended end position was located, the reversal of a control positive and negative motor to the adjustable handrail of drive is retracted to the handrail body in.
After adopting the structure, the invention has the beneficial effects that: the invention provides an automatic wall-moving handrail for nursing of the aged, which can provide a temporary supporting function at positions where the positions of an entrance, a ward doorway and the like cannot be installed, provide full-range support for the forward movement of a patient and improve the safety.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along line a-a in fig. 1.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
FIG. 5 is a schematic view of the connection relationship between the adjustable armrest, the crash cotton and the first rack in the present invention.
Fig. 6 is a structural sectional view of the first embodiment.
Fig. 7 is a schematic structural diagram of the second embodiment.
Fig. 8 is a sectional view taken along line C-C in fig. 7.
Description of reference numerals:
the handrail comprises a handrail body 1, a bottom plate 1-1, an outer cover plate 1-2, a guide sliding rod 1-3, an elbow 2, a notch 2-1, a fixed seat 3, an adjustable handrail 4, a dovetail groove 4-1, a first rack 5, a first gear 6, a power supply 7, a first forward and reverse rotation motor 8, a control switch 9, a rubber cover 10, a motor support 11, anti-collision cotton 12, an auxiliary rod 13, a spring 14, a screw rod 15, an adjusting nut 16, a lantern ring 17, a chain 18, a hook 19, a second forward and reverse rotation motor 20, a sliding block 21, a sliding rail 22, a toxic cotton mounting plate 23, disinfectant cotton 24, a connecting rod 25, a second gear 26, a second rack 27, a controller 28 and an infrared inductor 29.
The specific implementation mode is as follows:
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.
The first embodiment is as follows:
as shown in fig. 1 to fig. 6, the following technical solutions are adopted in the present embodiment: it comprises a handrail body 1, an elbow 2 and a fixed seat 3; elbows 2 are integrally formed and fixed at two ends of the handrail body 1, fixing seats 3 are fixed at the back surfaces of the two ends of the handrail body 1, and the inner end surfaces of the fixing seats 3 are flush with the inner end surfaces of the elbows 2; the device also comprises an adjustable armrest 4, a first rack 5, a first gear 6, a power supply 7, a first forward and reverse rotation motor 8, a control switch 9, a controller 28 and an infrared sensor 29; the handrail body 1 consists of a bottom plate 1-1 and an outer cover plate 1-2; the front side cover of the bottom plate 1-1 is provided with an outer cover plate 1-2, the middle part of the front side wall of the bottom plate 1-1 is integrally formed with a guide slide bar 1-3, the front end of the guide slide bar 1-3 is of a dovetail structure, the dovetail structure is slidably clamped in a dovetail groove 4-1 formed in the back surface of an adjustable armrest 4, anti-collision cotton 12 is glued and fixed on the upper surface of the adjustable armrest 4, a first rack 5 is integrally formed on the bottom surface of the adjustable armrest 4, the first rack 5 is meshed with a first gear 6, the first gear 6 is fixed on the output end of a first forward and reverse rotating motor 8, the first forward and reverse rotating motor 8 is fixed on the bottom plate 1-1 by a motor support 11, the first forward and reverse rotating motor 8 is electrically connected with a power supply 7, the power supply 7 is riveted and fixed on the bottom plate 1-1 by a screw, the first forward and reverse rotating motor 8 is electrically connected with, two control switches 9 are respectively embedded in the left end and the right end of the top wall of the outer cover plate 1-2 (the two control switches 9 and the first forward and reverse rotating motor 8 respectively form two independently controlled electric circuits), infrared sensors 29 are respectively embedded in the left end and the right end of the adjustable armrest 4, the infrared sensors 29 are connected with a controller 28, the controller 28 is connected with the control switches 9, and the controller 28 is riveted and fixed on the bottom wall of the guide slide bar 1-3 by screws; the outer side wall of the elbow 2 is provided with a notch 2-1, the adjustable handrail 4 is movably arranged in the notch 2-1 in a penetrating way, and a rubber cover 10 is fixed in the notch 2-1 in an adhesive way (the structure of the rubber cover 10 is the same as that of a sealed rubber plug discharge hole of a central honey pot opening in the prior art, and the adjustable handrail 4 can freely stretch and retract); the left end and the right end of the bottom wall of the outer cover plate 1-2 are both fixedly connected with a screw 15 in a threaded manner, the screw 15 penetrates through the auxiliary rod 13, an adjusting nut 16 is screwed on the screw 15 below the auxiliary rod 13 in a threaded manner, a spring 14 is sleeved on the screw 15 above the auxiliary rod 13, and the spring 14 is abutted between the adjusting nut 16 and the bottom wall of the outer cover plate 1-2; the height of the auxiliary rod 17 is adjusted by using an adjusting nut 16, a lantern ring 17 is movably sleeved on the auxiliary rod 13, and a hook 19 is connected to the lantern ring 17 by using a chain 18.
The working principle of the specific embodiment is as follows: the whole body is arranged on a wall body by using a fixed seat 3 (the installation method is the same as that of the existing wall armrest, and is not described herein), a patient fastens a buckle belt on the waist of the patient in advance, then hooks 19 on the buckle belt, then the hand armrest body 1 starts to walk, when the patient walks to a passage or a doorway to a position where the armrest body 1 is not arranged, hand pressure is applied to a control switch 9 close to one end of the patient, a forward and reverse rotating motor 8 is started to rotate forward, the forward and reverse rotating motor 8 drives a gear 6 to rotate, the gear 6 is meshed with a rack 5, so that the adjustable armrest 4 is driven to move towards a notch 2-1 close to one end of the patient, and extends out of the notch 2-1 at the end until the extending end is close to the end of the armrest body 1 at the other side of the passage or the doorway, the control switch 9 at the end is manually closed, then the patient unlocks the hook 19, then walks by holding the adjustable armrest 4 until the patient walks to the armrest body 1 at the other side of the passage opening or the doorway, at the moment, the patient shakes by using the extending end of the adjustable armrest 4 positioned by the hand, after the infrared sensor 29 at the position senses a human body, the controller 28 is triggered, the controller 28 controls the control switch 9 at the notch 2-1 at the extending end position, the first forward and reverse rotation motor 8 is controlled to rotate reversely, so that the adjustable armrest 4 is driven to retract into the armrest body 1, and the patient hooks the hook 19 on the armrest body 1 on the buckle belt again to continue to move forwards.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the adjustable handrail is driven by the first forward and reverse rotating motor to move left and right, so that the purpose of connecting adjacent handrail bodies is achieved, the old people can conveniently walk by hands, and the safety is high;
2. the adjustable handrails are provided with the anti-collision cotton, so that the comfort level of hand holding is improved;
3. the infrared sensor is adopted to sense and control the forward and reverse rotation of the first forward and reverse rotation motor, so that the retraction of the adjustable handrail can be conveniently controlled in a long distance;
4. the cooperation of the lantern ring and the auxiliary rod is adopted, the hook is hooked on the buckle belt bound between the waist of the patient in advance, the patient can walk, the traction effect is provided, and when the sudden condition of the patient is unstable, the patient can be prevented from falling down.
The second embodiment is as follows:
referring to fig. 7, the present embodiment differs from the first embodiment in that: the back of the bottom plate 1-1 is fixedly provided with a slide rail 22 by riveting with screws, the slide rail 22 is provided with a slide block 21 in a sliding manner, the back of the slide block 21 is fixedly provided with a second forward and reverse rotation motor 20 by riveting with screws, the output end of the second forward and reverse rotation motor 20 is fixedly provided with a second gear 26, the second gear 26 is meshed with a second rack 27, the second rack 27 is integrally formed on the back of the bottom plate 1-1, the upper part of the second forward and reverse rotation motor 20 is fixedly provided with a sterilized cotton mounting plate 23 by a connecting rod 25, the sterilized cotton 24 is embedded at the bottom of the sterilized cotton mounting plate 23, and the bottom surface of the sterilized cotton 24 is abutted against the upper surface of the outer cover plate 1-2; the second forward and reverse rotation motor 20 is electrically connected with the power supply 7; the rest of the structure and the connection relation are the same as those of the first embodiment.
The working principle of the specific embodiment is as follows: the second forward and reverse rotation motor 20 is started to drive the second gear 26 to rotate, the second gear 26 is meshed with the second rack 27, the second rack 27 is fixed on the bottom plate 1-1, the second gear 26 drives the second forward and reverse rotation motor 20 to move on the slide rail 22 under the driving of the slide block 21 under the reaction force of the second rack 27, and the disinfection cotton 24 is driven to wipe and disinfect the upper surface of the handrail body 1 while moving; the aim of regular disinfection is achieved, and the safety is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. An automatic wall-moving handrail for nursing of the old department comprises a handrail body (1), an elbow (2) and a fixed seat (3); elbows (2) are fixed at two ends of the handrail body (1), fixed seats (3) are fixed on the back surfaces of two ends of the handrail body (1), and the inner end surfaces of the fixed seats (3) are flush with the inner end surfaces of the elbows (2); the method is characterized in that: the electric bicycle further comprises an adjustable handrail (4), a first rack (5), a first gear (6), a power supply (7), a first forward and reverse rotation motor (8), a control switch (9), a controller (28) and an infrared inductor (29); the handrail body (1) is composed of a bottom plate (1-1) and an outer cover plate (1-2); an outer cover plate (1-2) is arranged on the front side cover of a bottom plate (1-1), a guide slide bar (1-3) is integrally formed in the middle of the front side wall of the bottom plate (1-1), the front end of the guide slide bar (1-3) is of a dovetail structure, the dovetail structure is slidably clamped in a dovetail groove (4-1) formed in the back face of an adjustable armrest (4), a first rack (5) is fixed on the bottom surface of the adjustable armrest (4), the first rack (5) is meshed with a first gear (6), the first gear (6) is fixed on the output end of a first forward and reverse motor (8), the first forward and reverse motor (8) is fixed on the bottom plate (1-1), the first forward and reverse motor (8) is electrically connected with a power supply (7), the power supply (7) is fixed on the bottom plate (1-1), and the first forward and reverse motor (8) is connected with two control switches (9), the two control switches (9) are respectively embedded in the left end and the right end of the top wall of the outer cover plate (1-2), the infrared sensors (29) are respectively embedded in the left end and the right end of the adjustable armrest (4), the infrared sensors (29) are connected with the controller (28), the controller (28) is connected with the control switches (9), and the controller (28) is fixed on the bottom wall of the guide slide bar (1-3); the outer side wall of the elbow (2) is provided with a notch (2-1), and the adjustable handrail (4) is movably arranged in the notch (2-1) in a penetrating way.
2. The automatic wall moving handrail for nursing of the aged as claimed in claim 1, wherein: the upper surface of the adjustable armrest (4) is fixed with anti-collision cotton (12).
3. The automatic wall moving handrail for nursing of the aged as claimed in claim 1, wherein: a rubber cover (10) is fixed in the notch (2-1).
4. The automatic wall moving handrail for nursing of the aged as claimed in claim 1, wherein: the first forward and reverse rotating motor (8) is fixed on the front side wall of the bottom plate (1-1) through a motor support (11).
5. The automatic wall moving handrail for nursing of the aged as claimed in claim 1, wherein: the left end and the right end of the bottom wall of the outer cover plate (1-2) are respectively fixed with a screw (15), the screw (15) penetrates through the auxiliary rod (13), the screw (15) positioned below the auxiliary rod (13) is screwed with an adjusting nut (16), the screw (15) positioned above the auxiliary rod (13) is sleeved with a spring (14), and the spring (14) is abutted between the adjusting nut (16) and the bottom wall of the outer cover plate (1-2); a lantern ring (17) is movably sleeved on the auxiliary rod (13), and a hook (19) is connected to the lantern ring (17) by a chain (18).
6. The automatic wall moving handrail for nursing of the aged as claimed in claim 1, wherein: the back of the bottom plate (1-1) is fixedly provided with a sliding rail (22), the sliding rail (22) is provided with a sliding block (21) in a sliding manner, the back of the sliding block (21) is fixedly provided with a second forward and reverse rotating motor (20), the output end of the second forward and reverse rotating motor (20) is fixedly provided with a second gear (26), the second gear (26) is meshed with a second rack (27), the second rack (27) is fixed on the back of the bottom plate (1-1), the upper part of the second forward and reverse rotating motor (20) is fixedly provided with a sterilized cotton mounting plate (23) by a connecting rod (25), the sterilized cotton (24) is embedded at the bottom of the sterilized cotton mounting plate (23), and the bottom surface of the sterilized cotton (24) abuts against the upper surface of the outer cover plate (1-2); the second forward and reverse rotation motor (20) is electrically connected with a power supply (7).
7. The automatic wall moving handrail for nursing of the aged as claimed in claim 1, wherein: the working principle is as follows: the whole body is arranged on a wall body by using a fixed seat (3), when a patient holds a handrail body (1) to walk to a passage opening close to the wall or a doorway is not provided with the handrail body (1), a control switch (9) close to one end of the patient is pressed by hand, a forward and reverse rotating motor (8) is started to rotate forward, the forward and reverse rotating motor (8) drives a gear (6) to rotate, the gear (6) is meshed with a rack (5), so that an adjustable handrail (4) is driven to move towards a notch (2-1) close to one end of the patient and extend out of the notch (2-1) at the end until the extending end is adjacent to the end part of the handrail body (1) at the passage opening or the other side of the doorway, the control switch (9) at the end is manually closed, then the patient holds the adjustable handrail (4) to walk until the handrail body (1) at the passage opening or the other side of the doorway is reached, at the moment, the patient shakes by using the extending end of the hand positioned on the adjustable armrest (4), after the infrared sensor (29) at the position senses a human body, the controller (28) is triggered, the controller (28) controls the control switch (9) at the notch (2-1) at the extending end position to control the first forward and reverse rotating motor (8) to rotate reversely, and therefore the adjustable armrest (4) is driven to retract into the armrest body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044332.1A CN112252613B (en) | 2020-09-28 | 2020-09-28 | Old branch of academic or vocational study nursing is with automatic wall handrail that moves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044332.1A CN112252613B (en) | 2020-09-28 | 2020-09-28 | Old branch of academic or vocational study nursing is with automatic wall handrail that moves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112252613A true CN112252613A (en) | 2021-01-22 |
| CN112252613B CN112252613B (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011044332.1A Active CN112252613B (en) | 2020-09-28 | 2020-09-28 | Old branch of academic or vocational study nursing is with automatic wall handrail that moves |
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| CN (1) | CN112252613B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982856A (en) * | 2021-02-05 | 2021-06-18 | 东莞市中扶实业有限公司 | Anti-collision handrail with night light-emitting function and using method thereof |
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| CN110258990A (en) * | 2019-07-03 | 2019-09-20 | 莱芜职业技术学院 | It is a kind of accessible quickly through first aid lane device |
| US20200040586A1 (en) * | 2018-08-03 | 2020-02-06 | Xiamen Lota International Co., Ltd | Handrail |
| CN111270818A (en) * | 2020-03-23 | 2020-06-12 | 湖北汽车工业学院 | Stair handrail for helping old people and using method |
| CN211366654U (en) * | 2019-12-03 | 2020-08-28 | 上海勤赫实业有限公司 | Adjustable lift car elevator handrail |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108193840A (en) * | 2017-08-25 | 2018-06-22 | 佛山市上欧陶瓷卫浴实业有限公司 | A kind of bathroom handrail |
| CN108729601A (en) * | 2018-05-24 | 2018-11-02 | 邱庚荣 | A kind of corridor handrail of the hospital convenient for patient's walking |
| US20200040586A1 (en) * | 2018-08-03 | 2020-02-06 | Xiamen Lota International Co., Ltd | Handrail |
| CN110258990A (en) * | 2019-07-03 | 2019-09-20 | 莱芜职业技术学院 | It is a kind of accessible quickly through first aid lane device |
| CN211366654U (en) * | 2019-12-03 | 2020-08-28 | 上海勤赫实业有限公司 | Adjustable lift car elevator handrail |
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| CN112982856A (en) * | 2021-02-05 | 2021-06-18 | 东莞市中扶实业有限公司 | Anti-collision handrail with night light-emitting function and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN112252613B (en) | 2021-09-14 |
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