CN114469573A - Electric lifting guardrail and nursing bed with same - Google Patents
Electric lifting guardrail and nursing bed with same Download PDFInfo
- Publication number
- CN114469573A CN114469573A CN202210082202.XA CN202210082202A CN114469573A CN 114469573 A CN114469573 A CN 114469573A CN 202210082202 A CN202210082202 A CN 202210082202A CN 114469573 A CN114469573 A CN 114469573A
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- cross rod
- electric lifting
- lower cross
- swing arm
- cross bar
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- 230000000474 nursing effect Effects 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000033001 locomotion Effects 0.000 claims abstract description 29
- 238000010008 shearing Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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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
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
- A61G7/0516—Side-rails with height adjustability
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- Health & Medical Sciences (AREA)
- Nursing (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
The invention provides an electric lifting guardrail and a nursing bed with the same, wherein the electric lifting guardrail comprises an upper cross rod and a lower cross rod; the shearing fork mechanism comprises a plurality of groups of swinging arms and driven arms which are in pairwise crossed pin joint; each driven arm and each swing arm are provided with two end parts in the telescopic direction, and the two end parts of each driven arm are respectively pivoted on the upper cross rod and the lower cross rod; the driving assembly is accommodated in the accommodating cavity of the lower cross rod; the driving assembly is connected with the end part of the swing arm to drive the scissors mechanism to open or tighten, so that the upper cross rod and the lower cross rod are driven to be far away or close; the driving component drives one end of the swing arm in the transverse motion, namely the axial direction of the lower cross rod, so that the horizontal transverse motion is converted into the movement of moving the upper cross rod and the lower cross rod away from or close to each other, the whole structure is skillfully designed, and the transmission is accurate; the nursing bed is very suitable for being installed and used, and a user can conveniently and accurately adjust the nursing bed.
Description
Technical Field
The invention relates to the technical field of bed body guardrails, in particular to an electric lifting guardrail and a nursing bed with the same.
Background
In the prior art, electric nursing beds, wheelchair vehicles, potty chairs, walking aids, household beds, sofas, seats, nursing beds and the like; are all provided with guardrail components.
For the nursing bed, the guardrail is an important part of the nursing bed, and the common fixed guardrail provides protection for a user and also prevents the user from getting on or off the bed and nursing staff, so that an adjustable guardrail structure is provided. But current nursing bed guardrail structure all is more single, and the guardrail of traditional nursing bed does not have raising and lowering functions, and after laying the air cushion on the bed, the in-service use height of guardrail shortens, can cause the danger of patient's landing, consequently, prior art still remains to improve.
Although there are some removable or compressible barriers in the development of barriers, the following two disadvantages still exist: the design components of the lifting structure are often arranged in the vertical direction, so that mechanism interference is easily caused, and danger is easily caused to a user in the using process; secondly, the speed stability during adjustment can not be highly coordinated and easily controlled in the prior art; therefore, a guardrail mechanism with safer structure and more stable and convenient regulation speed and a bed body with the guardrail mechanism are needed.
Disclosure of Invention
In the prior art, the technical problems that the lifting process of the guardrail component is unstable and the structural design of the driving mechanism has large interference exist; therefore, a technical scheme is provided for solving the problem.
In order to achieve the above object, the present invention provides an electric lifting fence comprising:
an upper cross bar and a lower cross bar;
the shearing fork mechanism comprises a plurality of groups of swinging arms and driven arms which are in pairwise crossed pin joint; each driven arm and each swing arm are provided with two end parts in the telescopic direction, and the two end parts of each driven arm are respectively pivoted on the upper cross rod and the lower cross rod;
the driving assembly is accommodated in the accommodating cavity of the lower cross rod; and the driving component is connected with the end part of the swing arm so as to drive the scissors mechanism to open or contract, thereby driving the upper cross rod and the lower cross rod to be far away from or close to each other.
Preferably, the driving assembly includes a linear actuator and a linkage member, an output end of the linear actuator is fixedly connected to the linkage member, the linkage member is pivotally connected to an end of each of the swing arms, and a moving direction of the output end of the linear actuator is perpendicular to a telescopic direction of the scissors mechanism.
Preferably, the linear motion actuator is a ball screw linear module, the ball screw linear module is fixed in the accommodating cavity of the lower cross bar, and an output end of the ball screw linear module is fixedly connected with the linkage.
Preferably, the linkage piece comprises a linear guide rail, a sliding table and a linkage rod; the linear guide rail is arranged in parallel with the motion direction of the linear motion actuator and is fixedly connected with the lower cross bar; the slip table sliding connection be in on the linear guide, the gangbar with the tip pin joint of swing arm, just the gangbar with the slip table is connected, works as when the slip table is driven, the gangbar motion is in order to drive the swing arm with telescopic motion is done to the driven arm.
Preferably, the linkage rod is provided with a plurality of connecting holes, each connecting hole corresponds to the end of each swing arm, and the swing arms are connected with the connecting holes through pivots.
Preferably, the inner wall of the containing cavity of the lower cross rod is provided with a first limiting track groove, one side of the pivot close to the first limiting track groove is provided with a clamping column, the clamping column is matched with the limiting track groove, and the clamping column is limited by the first limiting track groove to be separated from the first limiting track groove.
Preferably, a second limiting rail groove is formed in the inner wall of the accommodating cavity of the upper cross rod, and the end part, close to the upper cross rod, of the swinging arm is clamped in the second limiting rail groove.
Preferably, an opening is formed in one side, opposite to the upper cross bar and the lower cross bar, of the upper cross bar, and the opening is used for the scissors mechanism to pass through.
Preferably, the ball screw linear module further comprises a control assembly and at least two micro switches, wherein the micro switches are respectively arranged at two ends of the ball screw linear module, the micro switches are electrically connected with the control assembly, and the control assembly is controlled through a button or wirelessly.
Still disclose a nursing bed, including foretell electric lift guardrail and the bed body, the both sides of the bed body are connected with a set of electric lift guardrail respectively, the sheer pole of every group electric lift guardrail with the bed body is fixed, the flexible direction of cutting fork mechanism is perpendicular with the bed surface.
The invention has the beneficial effects that: the invention provides an electric lifting guardrail and a nursing bed with the same, wherein the electric lifting guardrail comprises an upper cross bar and a lower cross bar; the shearing fork mechanism comprises a plurality of groups of swinging arms and driven arms which are in pairwise crossed pin joint; each driven arm and each swing arm are provided with two end parts in the telescopic direction, and the two end parts of each driven arm are respectively pivoted on the upper cross rod and the lower cross rod; the driving assembly is accommodated in the accommodating cavity of the lower cross rod; the driving assembly is connected with the end part of the swing arm to drive the scissors mechanism to open or tighten, so that the upper cross rod and the lower cross rod are driven to be far away or close; the driving assembly drives one end of the swing arm in the transverse motion, namely the axial direction of the lower cross rod, and the driven arm is pivoted and fixed, so that the horizontal transverse motion is converted into the movement of moving the upper cross rod and the lower cross rod away from or close to each other, the overall structure is ingenious in design, and the transmission is accurate; is very suitable for the nursing bed to use, and is convenient for users to carry out accurate adjustment.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a side view of the housing of the present invention with portions thereof hidden;
FIG. 3 is a schematic view of the internal structure of the bottom rail of the present invention;
FIG. 4 is a view of the drive assembly of the present invention with the linkage rod omitted;
FIG. 5 is a schematic view of the linkage rod and scissors mechanism of the present invention;
FIG. 6 is an exploded view of the linkage rod and scissor mechanism of the present invention;
fig. 7 is an internal structure view in a contracted state of the present invention.
Symbolic illustration of components
1. An upper cross bar; 11. a second limiting rail groove;
2. a lower cross bar; 21. a first limiting rail groove;
3. a scissor mechanism; 31. a swing arm; 311. a pivot; 3111. a clamping column; 32. a driven arm; 33. an abutting portion;
4. a drive assembly; 41. a linear motion actuator; 42. a linkage member; 421. a linear guide rail; 422. a sliding table; 423. a linkage rod; 4231. connecting holes;
5. a control component; 51. a microswitch; 52. a button;
6. an open cavity;
A. and (5) the stretching direction.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
In the following description, details of general examples are given to provide a more thorough understanding of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. It should be understood that the specific embodiments are illustrative of the invention and are not to be construed as limiting the invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
In the prior art, the guard rail of the nursing bed has two forms, one is totally enclosed, the disadvantage of the structure is obvious, and the user is very difficult to cross up and down; the guardrail is partially blocked, a short section guardrail is arranged on one side of the middle part in the length direction close to the head, and two structures of compression storage and disassembly towards one side are developed in the prior art; but still has drawbacks; particularly, for compression and storage, various requirements of users are very difficult to meet, and the transmission structure is designed in the vertical direction, so that structural interference is easy to occur, the transmission is unstable, and the servo part is easy to be disjointed or shaken when moving due to the long length of the guardrail; therefore, there is a great room for improvement in terms of the telescopic function of the guard rail.
In particular to an electric lifting guardrail, please refer to fig. 1-3, 7; the method comprises the following steps:
an upper cross bar 1 and a lower cross bar 2;
the scissors mechanism 3 comprises a plurality of groups of swing arms 31 and driven arms 32 which are in pairwise cross pivot joint; each of the driven arm 32 and the swing arm 31 has two ends in the telescopic direction a, and the two ends of the driven arm 32 are respectively pivoted on the upper cross bar 1 and the lower cross bar 2; the swinging wall and/or the driven arm are/is provided with an abutting part 33, and when the scissor mechanism stretches to the limit, the abutting part 33 enables the swinging wall to abut against the driven arm; the abutting part abuts against the adjacent swing arm or the adjacent driven arm, so that the limiting is realized;
the driving assembly 4 is accommodated in the accommodating cavity of the lower cross rod 2; and the driving component 4 is connected with the end part of the swing arm 31 to drive the scissors mechanism to open or contract, so as to drive the upper cross bar and the lower cross bar to move away from or close to each other. Because in the process of extension of the scissor mechanism, the scissor mechanism is limited by the structure of the scissor mechanism, and the two scissor arms which are crossed together can be gradually superposed, so that the moment between the host and the two scissor arms positioned at the top end of the scissor mechanism is reduced, and the moment between the upper cross rod and the two scissor arms positioned at the bottom end of the scissor mechanism is also reduced. Therefore, the connection stability between the scissors mechanism and the upper cross rod and the lower cross rod is affected; the upper cross rod and the lower cross rod are long in length, multiple groups of scissors are required to be distributed in the transverse direction, the transmission structure cannot realize linkage, and only the structures in the middle or at two ends can be driven to integrally extend and retract, so that the adjustment stability is not enough; the two ends of the driven arm are respectively pivoted on the upper cross rod and the lower cross rod, and the correspondingly pivoted swing arms are driven by the driving assembly in the horizontal transverse direction, so that each group of swing arms and the driven arm are driven to be expanded and contracted cooperatively, and the upper cross rod and the lower cross rod are stably close to and far away from each other on the integral scissor mechanism; the accurate and reliable control of the whole mechanism is ensured. And set up drive assembly in the sheer pole, consequently cut the fork mechanism after the shrink, the inside storage chamber of sheer pole and last horizontal pole can the holding accomodate cut the fork mechanism wholly, has improved overall structure's light degree, can also improve structural security.
In the present embodiment, please refer to fig. 3-4; the driving assembly 4 includes a linear actuator 41 and a linkage 42, an output end of the linear actuator is fixedly connected to the linkage, the linkage is pivotally connected to an end of each swing arm, and a moving direction of the output end of the linear actuator is perpendicular to a telescopic direction of the scissors mechanism. The linear motion actuator realizes the linear motion of the end part, and then realizes the multi-point and long-stroke cooperative force application through the linkage part fixedly connected with the output end, so that the end part of each swing arm can move at a constant speed, the stress of the whole structure is uniform, and the telescopic control can be stably carried out.
In this embodiment, the linear actuator 41 is a ball screw linear module, the ball screw linear module is fixed in the receiving cavity of the bottom rail, and the output end of the ball screw linear module is fixedly connected with the linkage member. The ball screw realizes accurate linear displacement through the screw nut of the ball screw, and has small friction loss and high transmission efficiency, so the ball screw is very suitable for controlling the high-precision micro-feeding of the scissors mechanism; however, the length of the lead screw is limited, and the form of the lead screw nut is limited, so that the connection of the transmission of the multipoint mechanism is very inconvenient, and the lead screw nut is of a cylindrical structure, so that the lead screw nut is easy to deviate when asymmetrical force is realized at a certain point, and the lead screw nut and the linkage are required to be used together to make up the defects that the length of the lead screw nut is not long enough and the driving force is required to be applied to a plurality of points at the same time; the precise control of the fork mechanism is further enhanced.
In a further more preferred embodiment, please refer to fig. 5-6; the linkage 42 comprises a linear guide rail 421, a sliding table 422 and a linkage rod 423; the linear guide rail 421 is arranged in parallel with the moving direction of the linear motion actuator 41, and is fixedly connected with the lower cross bar; the sliding table is connected to the linear guide rail in a sliding mode, and the sliding table is provided with a connecting plate to be respectively connected with the lead screw nut and pivoted with the first swing arm; the linkage rod is pivoted with the end part of the swing arm and connected with the sliding table, and when the sliding table is driven, the linkage rod moves to drive the swing arm and the driven arm to do telescopic motion. On transmitting kinetic energy to the slip table through screw-nut, because the slip table has self-locking function, accurate control under the cooperation screw-nut that consequently it can be better realizes the single-point thrust to accomplish the extension and the whole regional cover of stroke with the help of linear guide, here simultaneously, the installation of slip table and external component is also more regular convenient, accomplishes multiple spot position and applies force in coordination, and then further reinforcing cooperative control.
In this embodiment, the linkage rod 423 is provided with a plurality of connecting holes 4231, each connecting hole corresponds to an end of each swing arm, and the swing arms and the connecting holes are connected through the pivot 311; the linkage rod is precisely driven by the sliding table, so that a force is precisely applied to the swing arm, and the swing arm and the pivoted driven arm jointly act to achieve a telescopic effect.
In this embodiment, a first limiting rail groove 21 is formed on the inner wall of the accommodating cavity of the lower cross bar 2, a clamping column 3111 is formed on one side of the pivot 311 close to the first limiting rail groove, the clamping column is adapted to the limiting rail groove, and the first limiting rail groove 21 limits the clamping column from coming off; the end parts of the driven arms are pivoted and fixed on the lower cross rod in a consistent manner, the end parts of the swing arms adjacent to the driven arms are pivoted and fixed on the linkage rod, the linkage rod is fixed with the sliding table, and the linear motion actuator and the linkage part are fixed in the cavity of the lower cross rod, so that the motion track of the end parts of the swing arms when being driven needs to be parallel to the axial direction of the linkage rod, and the joint number limitation of the scissors mechanism is matched in order to adapt to the extending height of the upper cross rod, and therefore, a clamping column matched with the first limiting track groove is formed at the end part of the pivot shaft, the motion direction of the swing arms can be limited, and the telescopic limit of the swing arms can be limited; thereby making the overall movement more accurate and standard. And for the first group of swing arms pivoted on the sliding table, the first limiting rail groove is not needed for limiting, and the sliding table and the linkage rod are connected by the first limiting rail groove, so that the movement action is very accurate.
In this embodiment, a second limiting rail groove 11 is formed on the inner wall of the accommodating cavity of the upper cross rod 1, and the end part of the swing arm close to the upper cross rod is clamped in the second limiting rail groove; similarly, for better limiting the movement direction of the swing arm, the movement process is more stable, the upper cross rod can be better driven to stretch, and therefore the upper end portion of the second limiting rail groove matched with the swing arm is used for limiting.
In the embodiment, an open cavity 6 is arranged at one side of the upper cross bar 1, which is opposite to the lower cross bar 2; the opening of the opening cavity is used for the scissor mechanism to pass through; when the scissors mechanism is folded, the scissors mechanism is folded in an open cavity surrounded by the upper cross rod and the lower cross rod; the whole scissor fork mechanism can be better accommodated; the whole is more beautiful.
In this embodiment, the device further comprises a control assembly 5 and at least two microswitches 51, wherein the microswitches 51 are respectively arranged at two ends of the ball screw linear module, the microswitches are electrically connected with the control assembly, and the control assembly is controlled through a button 52 or wirelessly. The displacement limit is limited and detected through the micro switch, the protection program written in the control assembly can be triggered in time, the self power-off stop is realized, the wireless communication module can be arranged in the control assembly, the control can be performed through the button, the control can be performed through the wireless remote controller, and the use of a user is facilitated. The control assembly at least comprises a circuit board written with a control circuit; the remaining control functions may be additively written as appropriate.
Still disclose a nursing bed, including foretell electric lift guardrail and bed body, the both sides of bed body are connected with a set of electric lift guardrail respectively, and the bottom rail of every electric lift guardrail is fixed with the bed body, and the flexible direction of cutting fork mechanism is perpendicular with the bed surface. More specifically, in order to facilitate the control of a user, the upper cross bar can be provided with a lifting control button and a wired remote controller, and the left guardrail or the right guardrail can be selectively controlled by the wired remote controller; meanwhile, a sensor can be arranged on the scissor mechanism to detect that an object is mistakenly inserted into a through hole of the scissor mechanism, and protective stop is carried out under the condition that the object is possibly clamped; or motor resistance detection is added into the circuit system, when the motor rotation receives the threshold value of abnormal resistance, the emergency stop is carried out, and the restart is carried out on the premise of relieving the abnormal condition and ensuring the safety.
The invention has the technical effects that:
1. the precise control of multi-point transmission is achieved through a smart transmission design; the guardrail can be accurately stretched;
2. with drive assembly setting in the sheer pole, consequently cut fork mechanism after the shrink, the inside storage chamber of sheer pole and last horizontal pole can the holding accomodate and cut fork mechanism, has improved overall structure's light degree, can also improve the structural security.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. An electric lifting guardrail, comprising:
an upper cross bar and a lower cross bar;
the shearing fork mechanism comprises a plurality of groups of swinging arms and driven arms which are in pairwise crossed pin joint; each driven arm and each swing arm are provided with two end parts in the telescopic direction, and the two end parts of each driven arm are respectively pivoted on the upper cross rod and the lower cross rod;
the driving assembly is accommodated in the accommodating cavity of the lower cross rod; the driving assembly is connected with one end of the swing arm, and the other end of the swing arm is slidably arranged on the upper cross rod so as to drive the scissors mechanism to open or contract; thereby driving the upper cross bar and the lower cross bar to be far away or close.
2. The electric lifting guardrail of claim 1, wherein the driving assembly comprises a linear actuator and a linkage member, the output end of the linear actuator is fixedly connected with the linkage member, the linkage member is pivotally connected with the end of each swing arm, and the motion direction of the output end of the linear actuator is perpendicular to the telescopic direction of the scissors mechanism.
3. The electric lifting guardrail of claim 2, wherein the linear motion actuator is a ball screw linear module fixed in the receiving cavity of the bottom rail, and an output end of the ball screw linear module is fixedly connected with the linkage.
4. An electric lifting guardrail according to any one of the claims 2 or 3, characterized in that the linkage comprises a linear guide rail, a sliding platform and a linkage rod; the linear guide rail is arranged in parallel with the motion direction of the linear motion actuator and is fixedly connected with the lower cross bar; the slip table sliding connection be in on the linear guide, the gangbar with the tip pin joint of swing arm, just the gangbar with the slip table is connected, works as when the slip table is driven, the gangbar motion is in order to drive the swing arm with telescopic motion is done to the driven arm.
5. The electric lifting guardrail of claim 4, wherein the linkage rod is provided with a plurality of connecting holes, each connecting hole corresponds to an end of each swing arm, and the swing arms and the connecting holes are connected through pivots.
6. The electric lifting guardrail of claim 5, wherein a first limiting rail groove is formed in the inner wall of the receiving cavity of the bottom rail, a clamping column is formed on one side of the pivot shaft close to the first limiting rail groove, the clamping column is matched with the limiting rail groove, and the first limiting rail groove limits the clamping column from falling out.
7. The electric lifting guardrail of claim 6, wherein a second limiting rail groove is formed on an inner wall of the accommodating cavity of the upper cross bar, and an end part of the swing arm close to the upper cross bar is clamped in the second limiting rail groove.
8. The electric lifting guardrail of claim 1, wherein the side of the upper cross bar and the lower cross bar facing each other is provided with an opening for the scissors mechanism to pass through.
9. The electric lifting guardrail of claim 3, further comprising a control assembly and at least two micro switches, wherein the micro switches are respectively arranged at two ends of the ball screw linear module, the micro switches are electrically connected with the control assembly, and the control assembly is controlled through a button or wirelessly.
10. A nursing bed, comprising the electric lifting guardrails of any one of claims 1 to 9 and a bed body, wherein two sides of the bed body are respectively connected with a group of electric lifting guardrails, a lower cross bar of each group of electric lifting guardrails is fixed with the bed body, and the extension and retraction directions of the scissors mechanism are perpendicular to the bed surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210082202.XA CN114469573A (en) | 2022-01-24 | 2022-01-24 | Electric lifting guardrail and nursing bed with same |
| PCT/CN2022/109623 WO2023138028A1 (en) | 2022-01-24 | 2022-08-02 | Electric raising/lowering guardrail and nursing bed having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210082202.XA CN114469573A (en) | 2022-01-24 | 2022-01-24 | Electric lifting guardrail and nursing bed with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114469573A true CN114469573A (en) | 2022-05-13 |
Family
ID=81473722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210082202.XA Pending CN114469573A (en) | 2022-01-24 | 2022-01-24 | Electric lifting guardrail and nursing bed with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114469573A (en) |
| WO (1) | WO2023138028A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138028A1 (en) * | 2022-01-24 | 2023-07-27 | 闫双行 | Electric raising/lowering guardrail and nursing bed having same |
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2022
- 2022-01-24 CN CN202210082202.XA patent/CN114469573A/en active Pending
- 2022-08-02 WO PCT/CN2022/109623 patent/WO2023138028A1/en unknown
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| CN111839941A (en) * | 2020-08-13 | 2020-10-30 | 广东博方众济医疗科技有限公司 | Lifting guardrail and nursing bed with same |
| CN212281988U (en) * | 2020-09-21 | 2021-01-05 | 三江学院 | Intelligent auxiliary rising equipment |
| CN112137736A (en) * | 2020-10-22 | 2020-12-29 | 山西白求恩医院(山西医学科学院) | Special ultrasonic doctor examination chair with fixed chair back and freely lifted right arm |
| CN113041050A (en) * | 2021-04-01 | 2021-06-29 | 滨州医学院附属医院 | Obstetrical infant nursing bed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138028A1 (en) * | 2022-01-24 | 2023-07-27 | 闫双行 | Electric raising/lowering guardrail and nursing bed having same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023138028A1 (en) | 2023-07-27 |
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