Multi-mode adjustable nursing bed
By using a combination of a manual rotary adjustment frame and lifting unit on the nursing bed, the mechanical transmission principle and the torque of the connecting rod spring are used to achieve accurate rotation, which solves the problems of difficulty in use and insufficient rotation angle control accuracy in power-free environments. High-precision manual rotation function.
Patent Information
- Application Number
- CN202010544949.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-06-15
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2040-06-15
AI Technical Summary
The existing nursing bed cannot be used normally in a power-free environment, and the pure mechanical manual adjustment method has the problem of insufficient rotation angle control accuracy.
The nursing bed design adopts a multi-mode adjustment, through the combination of a manual rotary adjustment frame and lifting unit, the rotational positioning is achieved using the principle of mechanical transmission and the torque of the connecting rod and multiple sets of springs, and combined with the sliding assistance of the slide groove and the slide block, it realizes the rotational positioning. Accurate rotation adjustment.
It realizes flexible manual operation in a power-free environment, improves the accuracy and accuracy of rotation adjustment, meets the lifting and rotation needs of the nursing bed, and the overall structure design is simple and effective.
Smart Images

Figure CN111494126B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of rotating shaft design, in particular to a nursing bed with multi-mode adjustment. Background Art
[0002] Nursing beds are divided into electric nursing beds and manual nursing beds. They are used by patients with limited mobility during hospitalization or home care. Their main purpose is to facilitate nursing staff to care for and facilitate the patient's recovery. With the development of technology, voice-operated and eye-operated electric nursing beds have appeared on the market, which not only facilitates the care of patients, but also enriches the patients' spiritual and entertainment life.
[0003] At present, the basic functions of nursing beds need to meet the lifting and rotation functions to achieve the best use effect. Considering the use requirements in special environments, electric adjustment cannot be used normally in an environment without power supply. Nursing beds that provide dedicated power supplies are expensive. Not only do they need to meet the safety use markings of the bed itself, but the protection design of the power supply is particularly important, such as waterproof, anti-corrosion and leakage protection, etc., especially for special users of nursing beds. Pure mechanical manual adjustment is the best adjustment method to complete rotation and achieve angle control through intermittent force. Summary of the invention
[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a nursing bed with multi-mode adjustment.
[0005] To achieve the above object, the present invention adopts the following technical solution:
[0006] A multi-mode adjustable nursing bed comprises a structural main body, wherein the structural main body comprises a bed frame and a transfer mechanism arranged on the bed frame, wherein the transfer mechanism comprises a lifting unit and a rotating unit, wherein the rotating unit comprises a manual rotating adjustment frame, wherein the manual rotating adjustment frame comprises a main shaft, wherein both ends of the main shaft are respectively provided with adjustment plates, wherein a rotating mechanism is arranged in the middle of the main shaft, wherein the rotating mechanism comprises a fixing seat sleeved and connected with the main shaft, wherein an adjusting component for realizing rotation adjustment is arranged in the fixing seat, wherein the adjusting component comprises a longitudinal connecting rod, a displacement paddle and a slot fixing plate combined and connected therewith, wherein the slot A card slot is provided on the fixed plate, and a plurality of torsion springs and stop plates for realizing damping and torsion are provided at the lower end of the displacement paddle. A limiting column is provided on the displacement paddle, and the limiting column is slidably connected with the card slot to realize rotation and limiting. The longitudinal connecting rod is arranged at the lower part of the main shaft and is distributed in the same direction as the main shaft. A pulling shaft connected in a traction manner is provided between the longitudinal connecting rod and the main shaft, and the pulling shaft is composed of a transverse guide plate and a vertical guide rod. A card column for realizing positioning is provided at the connection between the vertical guide rod and the fixed seat, and four groups of pulling springs for realizing traction and resetting are provided between the longitudinal connecting rod and the adjustment plate.
[0007] Particularly, the adjustment plate comprises an adjustment support rod and pedals arranged at both ends of the adjustment support rod, and one end of the tension spring is fixedly connected to the adjustment support rod.
[0008] In particular, the lifting unit and the rotating unit are designed as an integral unit, and the lifting unit includes a lifting fixed seat, on which are provided two groups of cross-type lifting rods for realizing lifting, and on which are provided one or more groups of driving cylinders, respectively, and above the cross-type lifting rods are provided an integrated seat cushion and backrest that are supported and connected, and the cross-type lifting rods include a seat cushion lifting rod and a backrest adjustment lifting rod.
[0009] Particularly, the bed frame comprises support frames at both ends and a bed board in the middle, the support frame comprises a bottom support frame and side support boards, and universal casters are respectively provided on both sides of the bottom support frame.
[0010] Particularly, both sides of the long sides of the bed board are respectively provided with detachably connected flaps and side baffles.
[0011] The beneficial effects of the present invention are as follows: the multi-mode adjustable nursing bed provided by the present invention flexibly applies the mechanical transmission principle, realizes the manual rotation function of the core adjustment mechanism of the nursing bed by realizing rotation positioning through the torsion of the connecting rod and multiple groups of springs, realizes the connection positioning through the sliding assistance of the slide groove and the slider, ensures its rotation adjustment accuracy, the motion trajectory fluctuation is not obvious, the accuracy is extremely high, the overall structural design is simpler and more effective, and meets the manual operation requirements of the lifting and rotation adjustment of the nursing bed. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is an overall structural diagram of the multi-mode adjustable nursing bed of the present invention.
[0013] Figure 2 It is a disassembled diagram of the multi-mode adjustable nursing bed of the present invention.
[0014] Figure 3 It is a structural diagram of the rotating adjustment frame of the nursing bed with multi-mode adjustment of the present invention.
[0015] Figure 4 It is a decomposition structure diagram of the rotating adjustment frame of the multi-mode adjustable nursing bed of the present invention. DETAILED DESCRIPTION
[0016] The present invention will be further described below in conjunction with the accompanying drawings:
[0017] Embodiment 1:
[0018] like Figure 1-4As shown, the multi-mode adjustable nursing bed disclosed in this embodiment includes a structural body 1, the structural body 1 includes a bed frame 2 and a transfer mechanism 3 arranged on the bed frame 2, the transfer mechanism 3 includes a lifting unit 4 and a rotating unit 5, the rotating unit 4 includes a manual rotating adjustment frame 6, the manual rotating adjustment frame 6 includes a main shaft 7, the two ends of the main shaft 7 are respectively provided with adjustment plates 8, the middle of the main shaft 7 is provided with a rotating mechanism 9, the rotating mechanism 9 includes a fixed seat 10 sleeved and connected to the main shaft 7, the fixed seat 10 is provided with an adjustment component for realizing rotation adjustment, the adjustment component includes a longitudinal connecting rod 11, a displacement paddle 12 and a slot fixing plate 13 combined and connected therewith, the slot fixing plate 13 is provided with a slot 14, the lower end of the displacement paddle 12 is provided with multiple groups of torsion springs 30 and stoppers 15 for realizing damping and torsion, the displacement paddle 12 is provided with a limiting column 16, the limiting column 16 is slidably connected with the slot 14 to realize rotation and limiting, the longitudinal connecting rod 11 is arranged at the lower part of the main shaft 7 and is distributed in the same direction as the main shaft 7, a pulling shaft 17 connected in a traction manner is provided between the longitudinal connecting rod 11 and the main shaft 7, the pulling shaft 17 is composed of a transverse guide plate 18 and a vertical guide rod 19, a column 20 for realizing positioning is provided at the connection between the vertical guide rod 19 and the fixed seat 10, and four groups of pulling springs 21 for realizing traction and resetting are provided between the longitudinal connecting rod 11 and the adjustment plate 8.
[0019] The applicant declares that a new method generated by a technician in the relevant technical field, based on the above embodiments, combining a certain step of the above embodiments with the technical solution in the content of the invention is also within the scope of the present invention. In order to make the specification concise, this application no longer lists other implementation methods of these steps.
[0020] In the above embodiment, the adjustment plate 8 includes an adjustment support rod 81 and pedals 82 arranged at both ends of the adjustment support rod 81, and one end of the tension spring 21 is fixedly connected to the adjustment support rod 81. The lifting unit 5 and the rotating unit 4 are designed in an integrated manner, and the lifting unit 5 includes a lifting fixed seat 22, on which two groups of cross-type lifting rods 23 for lifting are arranged, and one or more groups of driving cylinders 24 are respectively arranged on the cross-type lifting rods 23. The cross-type lifting rods 23 are provided with an integrated seat cushion 25 and a backrest 26 for supporting connection, and the cross-type lifting rods 23 include a seat cushion lifting rod 231 and a backrest adjustment lifting rod 232. The bed frame 2 includes support frames 27 at both ends and a bed board 28 in the middle, and the support frame 27 includes a bottom support frame 271 and a side support plate 272, and universal casters 273 are respectively arranged on both sides of the bottom support frame 27. The long sides of the bed board 28 are respectively provided with a detachable flap 281 and a side baffle 282.
[0021] The applicant further declares that the present invention illustrates the implementation method and device structure of the present invention through the above-mentioned embodiments, but the present invention is not limited to the above-mentioned implementation methods, that is, it does not mean that the present invention must rely on the above-mentioned methods and structures to be implemented. Those skilled in the art should understand that any improvement of the present invention, equivalent replacement of the implementation method selected by the present invention, addition of steps, selection of specific methods, etc., all fall within the protection scope and disclosure scope of the present invention.
[0022] Technical principle of this embodiment:
[0023] The manual rotation function of the core adjustment mechanism of the nursing bed is realized by flexibly applying the mechanical transmission principle, and the rotation positioning is realized by the torque of the connecting rod and multiple sets of springs. The connection positioning is realized by the sliding assistance of the slide groove and the slider, so as to ensure the accuracy of its rotation adjustment, and the fluctuation of the motion trajectory is not obvious. The accuracy is extremely high, and the overall structural design is simpler and more effective, which meets the manual operation requirements of the lifting and rotation adjustment of the nursing bed. Specifically, the support rod is driven by stepping on the pedal, and the rotating adjustment frame that provides tension and torque in the middle of the linkage is driven. The displacement paddle of the rotating adjustment frame moves in the card slot to drive the integrated seat cushion and backrest connected thereto. During the rotation adjustment process, lifting and lowering can be realized synchronously or successively. In this embodiment, the default is to complete the rotation adjustment after the lifting adjustment.
[0024] The above description is only a preferred embodiment of the present invention and does not limit the scope of the present invention. Therefore, without departing from the design spirit of the present invention, the equivalent changes or decorations made by ordinary engineers and technicians in this field to the structure, features and principles described in the present invention should fall within the protection scope of the patent application of the present invention.
Claims
1. A multi-mode adjustable nursing bed, characterized by: The invention comprises a structural main body, wherein the structural main body comprises a bed frame and a transfer mechanism arranged on the bed frame, wherein the transfer mechanism comprises a lifting unit and a rotating unit, wherein the rotating unit comprises a manual rotating adjustment frame, wherein the manual rotating adjustment frame comprises a main shaft, wherein adjusting plates are respectively arranged at both ends of the main shaft, wherein a rotating mechanism is arranged in the middle of the main shaft, wherein the rotating mechanism comprises a fixing seat sleeved and connected with the main shaft, wherein an adjusting component for realizing rotating adjustment is arranged in the fixing seat, wherein the adjusting component comprises a longitudinal connecting rod, a displacement paddle and a slot fixing plate combined and connected with the same, wherein a slot is arranged on the slot fixing plate, and wherein a plurality of torques for realizing damping and torque are arranged at the lower end of the displacement paddle. A force spring and a stop plate, a limit column is provided on the displacement paddle, the limit column is slidably connected to the card slot to realize rotation and limiting, the longitudinal connecting rod is arranged at the lower part of the main shaft and is distributed in the same direction as the main shaft, a pulling shaft with a traction connection is provided between the longitudinal connecting rod and the main shaft, the pulling shaft is composed of a transverse guide plate and a vertical guide rod, a card column is provided at the connection between the vertical guide rod and the fixed seat to realize locking, four groups of pulling springs for traction and resetting are provided between the longitudinal connecting rod and the adjusting plate; the adjusting plate includes an adjusting support rod and pedals arranged at both ends of the adjusting support rod, and one end of the tension spring is fixedly connected to the adjusting support rod.
2. The multi-mode adjustable nursing bed according to claim 1, characterized in that: The lifting unit and the rotating unit are designed as an integral unit, and the lifting unit includes a lifting fixed seat, on which are provided two groups of cross-type lifting rods for realizing lifting, and on which are provided one or more groups of driving cylinders, respectively, and above the cross-type lifting rods are provided an integrated seat cushion and backrest that are supported and connected, and the cross-type lifting rods include a seat cushion lifting rod and a backrest adjustment lifting rod.
3. The multi-mode adjustable nursing bed according to claim 1, characterized in that: The bed frame comprises support frames at both ends and a bed board in the middle, the support frame comprises a bottom support frame and side support boards, and universal casters are respectively arranged on both sides of the bottom support frame.
4. The multi-mode adjustable nursing bed according to claim 3, characterized in that: Both sides of the long side of the bed board are respectively provided with a detachably connected flap and a side baffle.
