CN110812036A

CN110812036A - Liftable rotatory medical bed

Info

Publication number: CN110812036A
Application number: CN201911211492.8A
Authority: CN
Inventors: 平义硕; 毕成成; 平笑兴; 于百川
Original assignee: Hebei Vanry Medical Devices Co Ltd
Current assignee: Hebei Vanry Medical Devices Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-02-21

Abstract

The invention is suitable for the technical field of medical equipment, and provides a liftable and rotatable medical bed, which comprises an upper bracket, a lower bracket, a bed board assembly, a lifting structure, a rotating structure and a lifting mechanism, wherein the lifting structure is arranged between the upper bracket and the lower bracket and consists of a lifting motor, a motor push rod, a rotating cross rod, a push rod connecting frame, a lifting connecting rod, an auxiliary connecting rod, a sliding rail bracket and a sliding rail; the invention can solve the technical problems of single bed body structure, uncomfortable sitting and lying of the patient, difficult bed position change of the patient and inconvenient nursing in the prior art; the multifunctional chair realizes the powerful functions of simultaneously meeting the requirements of integral lifting of the bed body, lifting of the bed body at different heights in the front and back, 90-degree rotation of the bed body and transformation of the bed board into a chair structure, and has strong practical value and obvious technical effect.

Description

Liftable rotatory medical bed

Technical Field

The invention relates to the technical field of medical equipment, in particular to a liftable and rotatable medical bed.

Background

With the increasing increase of the domestic aging and the progress of scientific and technological development and living standard, the elderly and the disabled are more and more concerned by the society, the domestic demand for multifunctional medical beds and nursing beds is increasing, and the medical beds and the nursing beds designed and researched according to the physical conditions of the old and the injured are developed in a well-blowout manner. Nursing beds are generally used for patients who are inconvenient to move and lie in bed for a long time, and the body position of the patients is often adjusted with the help of nursing staff. If the multifunctional nursing bed can be used, the daily life of the old and the wounded can be greatly changed, and the nursing staff can easily and conveniently take the nursing bed.

In the prior art, the traditional medical bed or nursing bed has a single structural design and cannot meet the nursing requirements of old people and wounded people; for example, the existing rotating medical bed or lifting medical bed only has the rotating or lifting function, and in the prior art, the rotating medical bed and the lifting medical bed are often stuck during the operation process, so that an unpleasant bed using experience is generated for the old and the wounded.

Disclosure of Invention

In view of the problems in the prior art, the invention aims to provide a liftable rotary medical bed, which can realize the lifting and angle adjustment of the whole body position/half body position of a patient through the specific price raising structural design and the specific rotary structural design, and simultaneously realize the bed body rotation and the bed board sitting and standing adjustment, thereby meeting different requirements of the patient on the changing of the up-down bed adjustment and the lying and sitting adjustment, realizing more comfortable and convenient lying experience, and simultaneously solving the problems that the patient needs to be operated by multiple persons and can cause secondary injury to the patient when the patient is transferred between sickbeds in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a lifting and rotating medical bed comprises a bed body support consisting of an upper support and a lower support, and a bed board assembly arranged above the upper support; the lifting device is characterized in that a lifting structure is arranged between the upper bracket and the lower bracket; a bed board supporting base is fixedly arranged in the middle of the upper support, a rotating structure is arranged on the bed board supporting base, and the rotating structure is fixedly connected with the bottom of the bed board assembly; the bed board subassembly passes through bed board support fixed connection with revolution mechanic, wherein:

the lifting structure consists of a lifting motor, a motor push rod, a rotary cross rod, a push rod connecting frame, a lifting connecting rod, an auxiliary connecting rod, a slide rail bracket and a slide rail; the lifting motor is fixed on the bed board supporting base along the direction of the bed head and the bed tail, the output end of the lifting motor is connected with the motor push rod, the slide rail is fixed on the inner side of the upper support and is connected with the slide rail support in a sliding manner, one end of the lifting connecting rod is connected to the slide rail support in a shaft mode, and the other end of the lifting connecting rod is connected to the inner side of the lower support in a; one end of the auxiliary connecting rod is connected to the inner side of the upper bracket in a shaft mode, and the other end of the auxiliary connecting rod is connected to the middle position of the ascending connecting rod in a shaft mode; two ends of the rotary cross rod are coupled to the middle positions of the left auxiliary connecting rod and the right auxiliary connecting rod; the rotary cross rod is connected with the motor push rod through a push rod connecting frame;

the rotating structure consists of a rotating motor, a motor telescopic rod and a rotating disk; the rotating disc is rotatably arranged in the middle of the bed board supporting base, the movable telescopic tail end of the motor telescopic rod is hinged to the rotating disc, the fixed end of the motor telescopic rod is in driving connection with a rotating motor, and the rotating motor is hinged to the upper support beam;

the bed board support comprises a front fixed support plate, a rear fixed support plate and a support boundary beam, the fixed support plates are fixed right above the rotating disc and fixedly support the support boundary beam, and the support boundary beam is fixedly connected with the bed board assembly.

Preferably, in the above medical bed capable of lifting and rotating, the lifting structures are symmetrically arranged in two groups on the bed board supporting base along the direction of the bed head and the bed tail.

Preferably, in the above liftable and rotatable medical bed, a plurality of spherical rollers are disposed between the slide rail and the slide rail bracket.

Preferably, in the above liftable and rotatable medical bed, the rotating structure further comprises a tension gas spring; the tension gas spring is arranged in parallel with the motor telescopic rod; one end of the tension gas spring is hinged to the upper support beam, and the other end of the tension gas spring is fixedly mounted on the rotating disc.

Preferably, in the above liftable and rotatable medical bed, the rotating disc can rotate by 0 to 90 degrees under the driving action of the motor telescopic rod.

Preferably, in the above medical bed, the bed board support further includes a hinge member fixed at a middle position inside the side beams of the front and rear supports, and a movable connecting member fixedly mounted at a position near the end inside the side beams of the left and right supports.

Preferably, in the above liftable and rotatable medical bed, the bed plate assembly is divided into four sections, which are respectively a backrest plate, a bottom surface fixing plate, a thigh supporting plate and a shank supporting plate from front to back, and each section is hinged through a connecting lug; the bed board assembly further comprises a first bed board motor, a first bed board telescopic rod, a second bed board motor, a second bed board telescopic rod, a first connecting piece, a second connecting piece, a third connecting piece and a cross rod, wherein two ends of the cross rod are movably connected in the movable connecting piece through a shaft connecting sliding block; the first bed board motor and the second bed board motor are connected with the bed board bracket and are respectively hinged with hinge pieces arranged on the bed board bracket in the front-back direction; one end of the second bed board telescopic rod is in driving connection with a second bed board motor, and the other end of the second bed board telescopic rod is hinged below the backrest board; one end of the first bed board telescopic rod is in driving connection with a first bed board motor, the other end of the first bed board telescopic rod is hinged with a first connecting piece, and the first connecting piece is fixed in the middle of the cross rod; the third connecting piece is fixed at the bottom of the shank supporting plate, an oblong sliding groove is formed in the middle of the shank supporting plate, one end of the second connecting piece is fixedly sleeved on the position, close to the end, of the cross rod, and the other end of the second connecting piece is movably connected into the oblong sliding groove of the third connecting piece.

Preferably, in the above medical bed capable of lifting and rotating, the bed board bracket 5 further comprises an additional connecting member fixed at the middle position outside the side beams of the left and right brackets.

Preferably, in the above medical bed capable of lifting and rotating, handrails are further installed on the left and right sides of the bottom fixing plate of the bed plate assembly.

Preferably, in the above liftable and rotatable medical bed, the bed plate assembly is fixedly connected with the rotating structure through the bed plate bracket, and a rotating support plate and a reinforcing rib for reinforcing the support function are arranged at the center of the bed plate bracket; the rotary supporting plate is of a barreled structure, and the reinforcing ribs are of a plate-shaped structure and are respectively fixed on the front side, the rear side and/or the left side and the right side of the rotary supporting plate.

Preferably, in the above liftable and rotatable medical bed, four rotating casters are mounted at the bottom of the lower frame.

In the technical scheme, the lifting structure is arranged between the upper support and the lower support, wherein the lower support is fixedly placed on the ground, and the front lifting control structure and the rear lifting control structure can enable the upper support to be lifted upwards integrally and can also realize the adjustment of different heights in the front and the rear directions; the lifting control structure mainly comprises a motor, a motor push rod, a rotary cross rod, a push rod connecting frame, a lifting connecting rod, an auxiliary connecting rod, a slide rail bracket and a slide rail; the motor is fixed in the both sides of bed board supporting seat with the mode of symmetry, and the output is connected with the motor push rod, and the motor push rod stretches out forward, and the slip support that drives the connecting rod connection that rises slides around on the slide rail to make the connecting rod that rises upwards upright gradually, thereby support the upper bracket upward movement. When the lifting control structures at the front end and the rear end operate independently, the support on the side is lifted up firstly; at the moment, the adjustment of each angle of the upper bracket can be realized by combining the matching of the motor at the other end.

In the technical scheme, the rotating structure is mainly a rotating disk arranged between the bed frame and the bed board assembly, the rotating disk drives the bed board assembly to rotate relative to the bed body and the bed frame through the contraction movement of the motor telescopic rod, the rotating disk is driven to rotate clockwise through the extension movement of the motor telescopic rod, and the rotating disk is driven to rotate anticlockwise through the retraction movement of the motor telescopic rod.

The invention has the beneficial effects that:

the lifting structure is arranged in a split mode through the upper support and the lower support, and two groups of lifting control structures are arranged between the upper support and the lower support, so that the adjustment of the upper height and the lower height can be realized; on the basis, the bed body is connected in a special sliding rail mode, the technical problems of blockage and poor stability of the bed body during lifting in the prior art are solved, the special requirements of a patient on the stability and the smoothness can be met, and more beneficial technical effects are realized;

the rotating structure is simple in structure and convenient to produce and mount; and the bed board subassembly of medical bed can rotate in a flexible way as required, has made things convenient for the nimble regulation of bed board subassembly position when patient's inspection, makes things convenient for patient to get off the bed simultaneously, has reduced the transport that lifts up to patient, has effectively avoided patient to receive the secondary damage.

Compared with the prior art, the rotatable medical bed disclosed by the invention can be additionally provided with a sitting and standing bed board adjusting structure, the bed board assembly is divided into four sections, the four sections are respectively a backrest board, a bottom surface fixing board, a thigh supporting board and a shank supporting board from front to back, and each section is hinged through a connecting lug; the backrest plate can be automatically lifted, the shank supporting plate can be automatically lowered, and finally the lying bed plate is transformed into a seat structure; when a patient lying in bed needs to sit, the patient can rest on the nursing chair to change the posture; meanwhile, the nursing work of medical staff is facilitated.

In addition to the structural improvement of the three aspects, the liftable and rotatable medical bed provided by the invention can be additionally provided with auxiliary facilities such as trundles, brake devices and adjustable side guardrails according to needs, so as to meet the more diversified requirements of nursing staff.

Through the technical scheme, compared with the prior art, the liftable and rotatable medical bed disclosed by the invention can simultaneously meet the strong functions of integral lifting of the bed body, lifting of the bed body at different heights in the front and back directions, 90-degree rotation of the bed body and conversion of the bed plate into a seat structure, so that the medical bed has extremely high practical value in practice, solves a series of problems of single bed body structure, discomfort in sitting and lying of a patient, difficulty in changing the bed position of the patient, inconvenience in nursing and the like in the prior art, and has very beneficial technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1 of the present invention;

fig. 2 is a schematic structural view of a lifting structure in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a rotary structure in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of example 2 of the present invention;

fig. 5 is a schematic view of a connection structure of a bed plate assembly and a bed plate bracket in embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a bed plate bracket in embodiment 2 of the present invention;

fig. 7 is a schematic structural view of a bed plate assembly in embodiment 2 of the present invention.

Wherein:

1 is a bed body support, 2 is a bed board component, 3 is a lifting structure, 4 is a rotating structure, and 5 is a bed board support;

11 is an upper bracket, 12 is a lower bracket, 13 is a bed board supporting base, 14 is a rotary supporting plate, and 15 is a reinforcing rib;

21 is a backrest plate, 22 is a bottom surface fixing plate, 23 is a thigh supporting plate, 24 is a shank supporting plate, and 25 is an armrest; a first bed board motor 201, a first bed board telescopic rod 202, a second bed board motor 203, a second bed board telescopic rod 204, a first connecting piece 205, a second connecting piece 206, a third connecting piece 207, a cross rod 208 and a connecting lug 209;

31 is a lifting motor, 32 is a motor push rod, 33 is a rotary cross rod, 34 is a push rod connecting frame, 35 is a lifting connecting rod, 36 is an auxiliary connecting rod, 37 is a slide rail bracket, and 38 is a slide rail;

41 is a rotary motor, 42 is a motor telescopic rod, 43 is a rotary disk and 44 is a tension gas spring;

the support frame is characterized in that the support frame is a fixed support plate 51, the support frame is a support frame edge beam 52, the movable connecting piece is 53, the hinge piece is 54, and the additional connecting piece is 55.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

First, embodiment 1:

referring to fig. 1-3, an embodiment 1 of the present invention discloses a liftable and rotatable medical bed, which includes a bed support 1 composed of an upper support 11 and a lower support 12, and a bed plate assembly 2 disposed above the upper support 11; the device is characterized in that a lifting structure 3 is arranged between the upper bracket 11 and the lower bracket 12; a bed board supporting base 13 is fixedly arranged in the middle of the upper bracket 11, a rotating structure 4 is arranged on the bed board supporting base 13, and the rotating structure 4 is fixedly connected with the bottom of the bed board assembly 2; bed board subassembly 2 passes through 5 fixed connection of bed board support with revolution mechanic 4, wherein:

the lifting structure 3 consists of a lifting motor 31, a motor push rod 32, a rotating cross rod 33, a push rod connecting frame 34, a lifting connecting rod 35, an auxiliary connecting rod 36, a sliding rail bracket 37 and a sliding rail 38; the lifting motor 31 is fixed on the bed board supporting base 13 along the direction of the head and the tail of the bed, the output end of the lifting motor is connected with the motor push rod 32, the slide rail 38 is fixed on the inner side of the upper bracket 11 and is connected with the slide rail bracket 37 in a sliding manner, one end of the lifting connecting rod 35 is coupled on the slide rail bracket 37, and the other end is coupled on the inner side of the lower bracket 12; one end of the auxiliary connecting rod 36 is connected to the inner side of the upper bracket 11 in a shaft mode, and the other end of the auxiliary connecting rod is connected to the middle position of the ascending connecting rod 35 in a shaft mode; two ends of the rotary cross rod 33 are coupled at the middle position of the left and right auxiliary connecting rods 36; the rotary cross bar 33 is connected with the motor push rod 32 through a push rod connecting frame 34;

the rotating structure 15 consists of a rotating motor 41, a motor telescopic rod 42 and a rotating disk 43; the rotating disc 43 is rotatably mounted in the middle of the bed board supporting base 13, the movable telescopic tail end of the motor telescopic rod 42 is hinged to the rotating disc 43, the fixed end of the motor telescopic rod 42 is in driving connection with the rotating motor 41, and the rotating motor 41 is hinged to the beam of the upper bracket 11;

the bed board bracket 5 comprises a front fixed support plate 51, a rear fixed support plate 51 and a bracket boundary beam 52, the fixed support plate 51 is fixed right above the rotating disc 43 and fixedly supports the bracket boundary beam 52, and the bracket boundary beam 52 is fixedly connected with the bed board assembly 2.

In order to further optimize the above technical solution, the lifting structures 3 are symmetrically arranged in two groups on the bed board supporting base 13 along the direction of the head and the tail of the bed.

In order to further optimize the above technical solution, a plurality of spherical rollers are disposed between the slide rail 38 and the slide rail bracket 37.

In order to further optimize the above technical solution, said rotating structure 15 further comprises a tension gas spring 44; the tension gas spring 44 and the motor telescopic rod 42 are arranged in parallel; one end of the tension gas spring 44 is hinged to the beam of the upper bracket 11, and the other end is fixedly mounted on the rotating disc 43.

In order to further optimize the technical scheme, the rotating disc 43 can rotate by 0-90 degrees under the driving action of the motor telescopic rod 42.

Second, example 2

Referring to fig. 4-7, an embodiment 2 of the present invention discloses another liftable and rotatable medical bed, which includes a bed support 1 composed of an upper support 11 and a lower support 12, and a bed plate assembly 2 disposed above the upper support 11; the device is characterized in that a lifting structure 3 is arranged between the upper bracket 11 and the lower bracket 12; a bed board supporting base 13 is fixedly arranged in the middle of the upper bracket 11, a rotating structure 4 is arranged on the bed board supporting base 13, and the rotating structure 4 is fixedly connected with the bottom of the bed board assembly 2; bed board subassembly 2 passes through 5 fixed connection of bed board support with revolution mechanic 4, wherein:

In order to further optimize the above technical solution, the bed board bracket 5 further includes a hinge 54 fixed at a middle position inside the front and rear bracket side beams 52, and a movable connecting member 53 fixedly installed at a position near the end part inside the left and right bracket side beams 52.

In order to further optimize the technical scheme, the bed board assembly 2 is divided into four sections, namely a backrest board 21, a bottom surface fixing board 22, a thigh supporting board 23 and a shank supporting board 24 from front to back, and each section is hinged through a connecting lug 209; the bed board assembly 2 further comprises a first bed board motor 201, a first bed board telescopic rod 202, a second bed board motor 203, a second bed board telescopic rod 204, a first connecting piece 205, a second connecting piece 206, a third connecting piece 207 and a cross rod 208, wherein two ends of the cross rod 208 are movably connected in the movable connecting piece 53 through a shaft connecting slide block; the first bed board motor 201 and the second bed board motor 203 are connected with the bed board bracket 5 and are respectively hinged with hinge pieces 54 arranged on the bed board bracket 5 in the front-back direction; one end of the second bed board telescopic rod 204 is in driving connection with the second bed board motor 203, and the other end is hinged below the backrest board 21; one end of the first bed board telescopic rod 202 is in driving connection with the first bed board motor 201, the other end of the first bed board telescopic rod is hinged with a first connecting piece 205, and the first connecting piece 205 is fixed in the middle of the cross rod 208; the third connecting piece 207 is fixed at the bottom of the shank supporting plate 24, an oblong sliding groove is formed in the middle of the third connecting piece, one end of the second connecting piece 206 is fixedly sleeved at the position, close to the end, of the cross rod 208, and the other end of the second connecting piece is movably connected in the oblong sliding groove of the third connecting piece 207.

In the above specific embodiment, in order to further optimize the technical solution, on the basis of some of the above embodiments of the present implementation model, in order to implement the function expansion of the hospital bed, the technical solution may be further optimized:

in order to further optimize the above technical solution, the bedplate support 5 further includes an additional connecting member 55 fixed at the middle position outside the left and right support side beams 52; the additional connection 55 is mainly used for installing a control panel for adjusting the lifting structure 3 and the rotating structure 4, or a bed side guardrail comprising the control panel.

In order to further optimize the above technical solution, handrails 25 are further installed on the left and right sides of the bottom surface fixing plate 22 of the bedplate assembly 2.

In order to further optimize the technical scheme, the bed board assembly 2 is fixedly connected with the rotating structure 4 through a bed board bracket 5, and a rotating support plate 13 and a reinforcing rib 15 which play a role in strengthening and supporting are arranged at the central position of the bed board bracket 5; the rotary support plate 13 is of a barreled structure, and the reinforcing ribs 15 are of a plate-shaped structure and are respectively fixed on the front side, the rear side and/or the left side and the right side of the rotary support plate 13.

In order to further optimize the technical scheme, the device is characterized in that four rotating casters are mounted at the bottom of the lower support 12.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A lifting and rotating medical bed comprises a bed body support (1) consisting of an upper support (11) and a lower support (12), and a bed board assembly (2) arranged above the upper support (11); the device is characterized in that a lifting structure (3) is arranged between the upper bracket (11) and the lower bracket (12); a bed board supporting base (13) is fixedly arranged in the middle of the upper support (11), a rotating structure (4) is arranged on the bed board supporting base (13), and the rotating structure (4) is fixedly connected with the bottom of the bed board assembly (2); bed board subassembly (2) and revolution mechanic (4) are through bed board support (5) fixed connection, wherein:

the lifting structure (3) consists of a lifting motor (31), a motor push rod (32), a rotary cross rod (33), a push rod connecting frame (34), a lifting connecting rod (35), an auxiliary connecting rod (36), a sliding rail support (37) and a sliding rail (38); the lifting motor (31) is fixed on the bed board supporting base (13) along the direction of the head and the tail of the bed, the output end of the lifting motor is connected with the motor push rod (32), the slide rail (38) is fixed on the inner side of the upper bracket (11) and is connected with the slide rail bracket (37) in a sliding manner, one end of the lifting connecting rod (35) is connected to the slide rail bracket (37) in a shaft manner, and the other end of the lifting connecting rod is connected to the inner side of the lower bracket (12) in; one end of the auxiliary connecting rod (36) is connected to the inner side of the upper bracket (11) in a shaft mode, and the other end of the auxiliary connecting rod is connected to the middle position of the ascending connecting rod (35) in a shaft mode; two ends of the rotary cross rod (33) are coupled at the middle positions of the left auxiliary connecting rod and the right auxiliary connecting rod (36); the rotary cross rod (33) is connected with a motor push rod (32) through a push rod connecting frame (34);

the rotating structure (4) consists of a rotating motor (41), a motor telescopic rod (42) and a rotating disk (43); the rotating disc (43) is rotatably mounted in the middle of the bed board supporting base (13), the movable telescopic tail end of the motor telescopic rod (42) is hinged to the rotating disc (43), the fixed end of the motor telescopic rod (42) is in driving connection with the rotating motor (41), and the rotating motor (41) is hinged to the beam of the upper support (11);

the bed board support (5) comprises a front fixed support plate (51), a rear fixed support plate (51) and a support edge beam (52), the fixed support plate (51) is fixed right above the rotating disc (43) and fixedly supports the support edge beam (52), and the support edge beam (52) is fixedly connected with the bed board assembly (2).

2. The liftable and rotatable medical bed according to claim 1, wherein the lifting structures (3) are arranged in two groups symmetrically along the direction of the head and the tail of the bed on the bed board supporting base (13).

3. The liftable and rotatable medical bed according to claim 2, wherein a plurality of spherical rollers are arranged between the slide rail (38) and the slide rail bracket (37).

4. Liftable and rotatable medical bed according to claim 1, wherein said rotating structure (4) further comprises a tension gas spring (44); the tension gas spring (44) and the motor telescopic rod (42) are arranged in parallel; one end of the tension gas spring (44) is hinged to the beam of the upper bracket (11), and the other end of the tension gas spring is fixedly arranged on the rotating disc (43).

5. The liftable and rotatable medical bed according to claim 4, wherein the rotating disc (43) can rotate 0-90 ° under the driving action of the motor telescopic rod (42).

6. The liftable and rotatable medical bed according to claim 1, wherein the bed board frame (5) further comprises a hinge member (54) fixed at a position intermediate inside the front and rear frame side members (52), and a movable connecting member (53) fixedly mounted at a position near the end inside the left and right frame side members (52).

7. The liftable and rotatable medical bed according to claim 6, wherein the bed board assembly (2) is divided into four sections, which are a backrest board (21), a bottom fixing board (22), a thigh supporting board (23) and a shank supporting board (24) from front to back, and each section is hinged with each other through a connecting ear (209); the bed board assembly (2) further comprises a first bed board motor (201), a first bed board telescopic rod (202), a second bed board motor (203), a second bed board telescopic rod (204), a first connecting piece (205), a second connecting piece (206), a third connecting piece (207) and a cross rod (208), wherein two ends of the cross rod (208) are movably connected in the movable connecting piece (53) through a shaft connecting sliding block; the first bed board motor (201) and the second bed board motor (203) are connected with the bed board bracket (5) and are respectively hinged with hinge pieces (54) arranged on the bed board bracket (5) in the front-back direction; one end of the second bed board telescopic rod (204) is in driving connection with the second bed board motor (203), and the other end of the second bed board telescopic rod is hinged below the backrest board (21); one end of the first bed board telescopic rod (202) is in driving connection with the first bed board motor (201), the other end of the first bed board telescopic rod is hinged with a first connecting piece (205), and the first connecting piece (205) is fixed in the middle of the cross rod (208); the third connecting piece (207) is fixed at the bottom of the shank supporting plate (24), an oblong sliding groove is formed in the middle of the third connecting piece, one end of the second connecting piece (206) is fixedly sleeved at the position, close to the end, of the cross rod (208), and the other end of the second connecting piece is movably connected into the oblong sliding groove of the third connecting piece (207).

8. The liftable and rotatable medical bed according to claim 6, wherein the bed board bracket (5) further comprises an additional connecting member (55) fixed at a middle position outside the side beams (52) of the left and right brackets.

9. The liftable and rotatable medical bed according to claim 7, wherein handrails (25) are further installed on the left and right sides of the bottom fixing plate (22) of the bed plate assembly (2).

10. The liftable and rotatable medical bed according to claim 1, wherein the bed board assembly (2) is fixedly connected with the rotatable structure (4) through the bed board bracket (5), and a rotatable support plate (14) and a reinforcing rib (15) for reinforcing support are arranged at the center of the bed board bracket (5); the rotary supporting plate (14) is of a barreled structure, and the reinforcing ribs (15) are of a plate-shaped structure and are respectively fixed on the front side, the rear side and/or the left side and the right side of the rotary supporting plate (14).

11. The liftable and rotatable medical bed according to any one of claims 1 to 10, wherein four rotation casters are mounted at the bottom of the lower frame (12).