CN210540191U - Bed panel coupling rotating device and bed with same - Google Patents

Abstract

The embodiment of the application discloses a bed panel coupling rotating device and a bed with the same. The coupling rotating device comprises a driving device, a first four-bar linkage transmission mechanism and a second four-bar linkage transmission mechanism. The first four-link transmission mechanism is connected with the driving device and is used for driving the waist bed panel of the bed to rotate. The second four-bar linkage transmission mechanism is connected with the first four-bar linkage transmission mechanism and is used for driving the back bed panel of the bed to rotate. The bed panel coupling and rotating device of the embodiment of the application utilizes the principle that two four-bar mechanisms share a connecting rod, realizes the rotation coupling between driven parts through the motion transmission of the connecting rod mechanisms, namely realizes the linkage between bed panels through the interconnected rotation between components, and has the advantages of simple structure, reliable transmission and convenient realization; and can realize the coupling linkage rotation of first four-bar linkage drive mechanism and second four-bar linkage drive mechanism under a drive action of a drive arrangement, the economic nature is high.

Description

Bed panel coupling rotating device and bed with same

Technical Field

The application relates to the technical field related to mechanical structures, in particular to a bed panel coupling rotating device and a bed with the same.

Background

As shown in fig. 12, three bed panels of the waist bed panel 400, the back bed panel 500 and the fixed panel 610 are connected by hinges, and when the waist bed panel 400 rotates around the fixed panel 610 through hinge points a1 and a2, the back bed panel 500 cannot rotate around the waist bed panel 400 through hinge points B1 and B2.

Therefore, the prior bed panels can not be linked, the extrusion condition among the panels is easy to occur, the bed panels are inconvenient and the service life of the bed panels is influenced.

SUMMERY OF THE UTILITY MODEL

To address the deficiencies of the prior art, one aspect of the present application provides a bed deck coupling rotating device.

The bed panel coupling rotating device can comprise a driving device, a first four-bar linkage transmission mechanism and a second four-bar linkage transmission mechanism.

The first four-connecting-rod transmission mechanism is connected with the driving device and is used for driving a waist bed panel of the bed to rotate. The second four-bar linkage transmission mechanism is connected with the first four-bar linkage transmission mechanism and is used for driving the back bed panel of the bed to rotate.

According to some preferred embodiments of the present application, the first four-bar linkage transmission includes a prime mover, a first link, and a second link. The motive power piece is rotationally connected to the bed body of the bed, and the first connecting piece is rotationally hinged to the motive power piece. One end of the second connecting piece is rotatably hinged with the first connecting piece. The other end of the second connecting piece is rotatably connected to the bed body of the bed. So that the prime mover, the first and second connectors and the bed body of the bed form a four-link transmission mechanism.

According to some preferred embodiments of the present application, the prime mover is connected to the driving device through a first hinge structure, so that the driving device can drive the waist bed panel of the bed to rotate around the bed body of the bed through the first four-bar linkage transmission mechanism.

According to some preferred embodiments of the present application, the waist bed panel of the bed is mounted on the second connector. Alternatively, the second connecting piece is a waist bed panel of the bed.

According to some preferred embodiments of the present application, the second four-bar linkage transmission includes a link and a third link. One end of the connecting rod is rotatably hinged with the first connecting piece. The other end of the connecting rod is rotatably hinged with the third connecting piece. And the third connecting member is rotatably connected with the second connecting member by a second hinge structure. So that the first connecting piece, the connecting rod, the third connecting piece and the waist bed panel of the bed form a second four-connecting-rod transmission mechanism.

According to some preferred embodiments of the present application, one end of the first link is rotatably hinged to the prime mover. The second connecting piece is rotatably hinged with the middle part of the first connecting piece. The other end of the first connecting piece is rotatably hinged with the connecting rod. The second four-bar linkage transmission mechanism is connected with the first four-bar linkage transmission mechanism, so that the first four-bar linkage transmission mechanism can drive the second four-bar linkage transmission mechanism to move, and further the back bed panel of the bed is driven to rotate.

According to some preferred embodiments of the present application, the back bed panel of the bed is mounted on the third connector. Alternatively, the third connector is a back bed panel of the bed.

According to some preferred embodiments of the present application, the driving means is an electric push rod, an electric cylinder, a hydraulic push rod, an electromagnetic push rod, or a pneumatic push rod.

According to some preferred embodiments of the present application, the driving means is an electric linear push rod.

Another aspect of the present application provides a bed.

The bed comprises a waist bed panel, a back bed panel, a bed body and the bed panel coupling rotating device.

Compared with the prior art, the bed panel coupling rotating device and the bed with the same have the following beneficial effects:

the bed panel coupling rotating device and the bed with the same in the embodiment of the application utilize the principle that two four-bar mechanisms share a connecting rod, and realize the rotating coupling between driven parts through the motion transmission of the connecting rod mechanisms, namely realize the linkage between the bed panels through the interconnected rotation between the components, and the components have simple structure, reliable transmission and convenient realization; in addition, the bed panel coupling rotating device and the bed with the coupling rotating device in the embodiment of the application can enable the whole mechanism to move only by one driving device, and the economy is high.

Additional features of the present application will be set forth in part in the description which follows. Additional features of some aspects of the present application will be apparent to those of ordinary skill in the art in view of the following description and accompanying drawings, or in view of the production or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein,

fig. 1, 2, 3 are schematic structural views of a bed according to some embodiments of the present application;

FIG. 4 is a partial cross-sectional view of a bed according to some embodiments of the present application;

fig. 5 is a schematic structural view of a deck plate coupled turning device according to some embodiments of the present application;

FIG. 6 is a schematic diagram of a bed according to some embodiments of the present application in an initial flat state;

FIG. 7 is a schematic structural view of a back bed panel in a bed according to some embodiments of the present application;

FIG. 8 is a schematic structural view of a waist bed panel in a bed according to some embodiments of the present application;

FIG. 9 is a partial cross-sectional view of a bed in a bed according to some embodiments of the present application;

FIG. 10 is a schematic view of the structure of a primary mover in the bed according to some embodiments of the present application;

FIG. 11 is a schematic diagram of a first connector in a bed according to some embodiments of the present application;

fig. 12 is a schematic structural view of a conventional bed panel.

List of reference numerals

100-drive device

110-push rod

120-motor

200-first four-bar linkage transmission mechanism

210-prime mover

211-rotating shaft

212-hinged seat

213-first hinge plate

220-first connecting part

221-first hinge hole

222-second hinge hole

223-third hinge hole

230-second connecting piece

231-second hinge plate

232-third hinge plate

300-second four-bar linkage transmission mechanism

310-connecting rod

320-third connecting piece

321-fourth hinged plate

400-lumbar bed panel

500-back bed panel

600-bed body

610-fixed panel

620-bedstead

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, their indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, in this application, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

One aspect of the embodiments of the present application discloses a bed panel coupling rotating device.

As shown in fig. 1, 2 and 3, the bed panel coupling rotating device may include a driving device 100, a first four-bar linkage 200 and a second four-bar linkage 300.

In some embodiments, the drive device 100 may employ a power push rod. The electric push rod is also named as a linear driver, and is a novel linear actuating mechanism mainly composed of a motor push rod, a control device and other mechanisms. The electric push rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of the push rod. The device can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control.

Preferably, the electric push rod can be an electric linear push rod. Such as a linear push rod motor.

In some embodiments, the driving device 100 may also employ an electric cylinder. The electric cylinder is a modularized product which integrates a servo motor and a lead screw, converts the rotary motion of the servo motor into linear motion, and simultaneously converts the best advantages of the servo motor, namely accurate rotating speed control, accurate revolution control and accurate torque control into accurate speed control, accurate position control and accurate thrust control, thereby realizing the high-precision linear motion product.

In some embodiments, the drive device 100 may also employ a hydraulic ram. Preferably, the hydraulic push rod can be an electric hydraulic push rod. The electric hydraulic push rod takes an electric motor as a power source, pressure oil is output through a bidirectional gear pump, and reciprocating motion of a piston rod is realized through the control of an oil circuit manifold block to an oil cylinder.

In some embodiments, the driving device 100 may also employ an electromagnetic push rod. Preferably, the electromagnetic push rod can be an MT electromagnetic push rod. The MT electromagnetic push rod is an action executing mechanism which realizes the linear reciprocating motion of the push rod by utilizing the working characteristics of an electromagnet.

In some embodiments, the drive device 100 may also employ a pneumatic push rod. The pneumatic push rod is a device which takes compressed air as a power source and performs reciprocating linear motion through a cylinder and a piston connecting rod so as to execute push-pull action.

In some embodiments, as shown in fig. 3, 4, and 5, first four-link transmission 200 may include a prime mover 210, a first link 220, and a second link 230.

For example, as shown in fig. 10, the motive element 210 may include a rotating shaft 211, a hinge base 212 fixedly coupled to the rotating shaft 211, and a first hinge plate 213 fixedly coupled to the rotating shaft 211.

Illustratively, as shown in fig. 11, a first hinge hole 221 is provided at one end of the first connector 220. A second hinge hole 222 is provided at the other end of the first connector 220. A third hinge hole 223 is provided at the middle of the first connector 220.

Illustratively, as shown in fig. 9, the bed 600 includes a fixed panel 610 and a bed frame 620. The fixed panel 610 is fixed to the frame 620.

In the installed state, the prime mover 210 is rotatably connected to the bed body 600 of the bed. Illustratively, shaft 211 of prime mover 210 is rotatably coupled to a bed frame 620 within bed 600, as shown in FIGS. 1-5.

In the installed state, first link 220 is rotatably hinged to prime mover 210. Illustratively, the first hinge plate 213 of the prime mover 210 is connected to the first hinge hole 221 of the first link member 220 by a pin to form a hinge connection structure, such that one end of the first link member 220 is rotatably hinged to the prime mover 210, as shown in fig. 5.

In the installed state, one end of the second link 230 is rotatably hinged to the first link 220. The other end of the second link 230 is rotatably connected to the bed 600. Illustratively, as shown in fig. 8, a second hinge plate 231 is provided at one side of the second link 230. A third hinge plate 232 is provided at the other side of the second link 230. The second hinge plate 231 of the second link 230 is connected to the third hinge hole 223 of the first link 220 by a pin to form a hinge connection structure, such that one end of the second link 230 is rotatably hinged to the first link 220, as shown in fig. 5; the third hinge plate 232 of the second link 230 is rotatably connected to the fixed panel 610 of the bed 600 by a pin shaft, so that the other end of the second link 230 is rotatably connected to the bed 600.

By adopting the above connection manner, the motive power piece 210, the first connection piece 220, the second connection piece 230 and the bed body 600 of the bed can be formed into a four-link transmission mechanism.

The first four-bar linkage 200 is connected to the driving device 100 for driving the waist bed panel 400 of the bed to rotate.

As shown in fig. 3 and 5, the prime mover 210 is connected to the driving device 100 through a first hinge structure. Illustratively, the push rod 110 of the driving device 100 is connected to the hinge seat 212 of the rotating shaft 211 by a pin shaft to form a first hinge structure, so that the first four-bar linkage 200 is rotatably connected to the driving device 100. In some embodiments, the motor in the drive device 100 is movably coupled to the frame 620 via a hinge mechanism.

In some embodiments, the waist bed panel 400 of the bed is mounted on the second connector 230. Thereby enabling the driving device 100 to drive the waist bed panel 400 of the bed to rotate around the fixed panel 610 in the bed body 600 of the bed through the first four-bar linkage 200.

In some embodiments, as shown in fig. 1-5, the second connector 230 is a waist bed panel 400 of the bed. Thereby enabling the driving device 100 to drive the waist bed panel 400 of the bed to rotate around the fixed panel 610 in the bed body 600 of the bed through the first four-bar linkage 200.

In some embodiments, as shown in fig. 1, 3, 4, and 5, the second four-bar linkage 300 may include a link 310 and a third link 320. Illustratively, as shown in fig. 7, a fourth hinge plate 321 is provided on the third link 320.

In the installed state, one end of the link 310 is rotatably hinged to the first link 220. The other end of the link 310 is rotatably hinged to the third link 320. Illustratively, one end of the connecting rod 310 is connected to the second hinge hole 222 of the first connecting member 220 by a pin to form a hinge connection structure, so that one end of the connecting rod 310 is rotatably connected to the other end of the first connecting member 220. The other end of the connecting rod 310 is connected to the fourth hinge plate 321 of the third connecting member 320 by a pin to form a hinge connection structure, so that the other end of the connecting rod 310 is rotatably hinged to the third connecting member 320.

In the installed state, the third link 320 is also rotatably connected to the second link 230 by a second hinge structure. Illustratively, the fourth hinge plate 321 of the third link 320 is connected to the second hinge plate 231 of the second link 230 by a pin to form a second hinge structure, so that the third link 320 is rotatably connected to the second link 230.

By adopting the above connection manner, the first link 220, the link 310, the third link 320 and the waist bed panel 400 may be formed as a second four-link transmission mechanism.

The second four-bar linkage 300 is connected to the first four-bar linkage 200 for driving the back bed panel 500 of the bed to rotate.

Illustratively, as shown in FIG. 5, one end of the first link member 220 is rotatably hinged to the prime mover 210. The second link is rotatably hinged to the middle of the first link 220. The other end of the first connecting member 220 is rotatably hinged to the connecting rod 310. So that the second four-bar linkage 300 is connected to the first four-bar linkage 200, and the first four-bar linkage 200 can drive the second four-bar linkage 300 to move, so as to drive the back bed panel 500 of the bed to rotate.

Specifically, the first hinge hole 221 at one end of the first connecting element 220 is rotatably connected to the first hinge plate 213 in the prime mover 210 through a pin; the third hinge hole 223 in the middle of the first link 220 is rotatably connected to the second hinge plate 231 in the second link by a pin; the second hinge hole 222 at one end of the first connecting member 220 is rotatably connected to the connecting rod 310 by a pin, so that the second four-bar linkage 300 is connected to the first four-bar linkage 200, and the first four-bar linkage 200 can drive the second four-bar linkage 300 to move, thereby driving the back bed panel 500 of the bed to rotate.

In some embodiments, the back bed panel 500 of the bed is mounted on the third connector 320. So that the first four-bar linkage 200 can drive the second four-bar linkage 300 to move, and further drive the back bed panel 500 of the bed to rotate.

In some embodiments, the third connector 320 is the back bed panel 500 of the bed. So that the first four-bar linkage 200 can drive the second four-bar linkage 300 to move, and further drive the back bed panel 500 of the bed to rotate.

It is noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of mutually exclusive features and/or steps.

Another aspect of an embodiment of the present application provides a bed.

As shown in fig. 1-2 and 6, the bed may include a waist bed panel 400, a back bed panel 500, a bed 600 and a bed panel coupling rotating device as in any one of the above embodiments.

The bed of the present application will be described in detail below with reference to the accompanying drawings by way of a specific example.

In this embodiment:

as shown in fig. 9, the bed 600 may include a fixed panel 610 and a frame 620. Wherein the fixing panel 610 is fixed to the frame 620 for supporting the buttocks and the lower limbs of the patient.

The driving device 100 in the bed panel coupling rotating device adopts a linear push rod motor. The linear push rod motor includes a push rod 110 and a motor 120.

The first four-bar linkage 200 in the deck panel coupling rotating device includes a prime mover 210, a first link 220, and a second link 230.

Wherein the waist bed panel 400 is the second connecting member 230.

As shown in fig. 10, the prime mover 210 may include a rotating shaft 211, a hinge base 212 fixedly connected to the rotating shaft 211, and a first hinge plate 213 fixedly connected to the rotating shaft 211.

As shown in fig. 11, a first hinge hole 221 is formed at one end of the first connector 220. A second hinge hole 222 is provided at the other end of the first connector 220. A third hinge hole 223 is provided at the middle of the first connector 220.

As shown in fig. 8, a second hinge plate 231 is provided at one side of the second link 230. A third hinge plate 232 is provided at the other side of the second link 230.

As shown in FIGS. 1-5, shaft 211 of prime mover 210 is rotatably coupled to bed frame 620 in bed 600, such that prime mover 210 is rotatably coupled to the bed of the bed. The first hinge plate 213 of the prime mover 210 is connected to the first hinge hole 221 of the first link member 220 by a pin to form a hinge connection structure, so that one end of the first link member 220 is rotatably hinged to the prime mover 210. The second hinge plate 231 of the second link 230 is coupled to the third hinge hole 223 of the first link 220 by a pin to form a hinge coupling structure such that one end of the second link 230 is rotatably hinged to the first link 220. The third hinge plate 232 of the second link 230 is rotatably connected to the fixed panel 610 of the bed 600 by a pin shaft, so that the other end of the second link 230 is rotatably connected to the bed 600. The push rod 110 of the driving device 100 is connected to the hinge base 212 of the rotating shaft 211 through a pin shaft to form a first hinge structure, so that the first four-bar linkage 200 is rotatably connected to the driving device 100. The motor 120 of the driving device 100 is movably connected to the frame 620 through a hinge mechanism.

The second four-link transmission mechanism 300 may include a link 310 and a third link 320.

As shown in fig. 7, a fourth hinge plate 321 is provided on the third link 320.

As shown in fig. 1 to 5, one end of the connecting rod 310 is connected to the second hinge hole 222 of the first connecting member 220 by a pin to form a hinge connection structure, so that one end of the connecting rod 310 is rotatably connected to the other end of the first connecting member 220.

The other end of the connecting rod 310 is connected to the fourth hinge plate 321 of the third connecting member 320 by a pin to form a hinge connection structure, so that the other end of the connecting rod 310 is rotatably hinged to the third connecting member 320. The fourth hinge plate 321 of the third link 320 is connected to the second hinge plate 231 of the second link 230 by a hinge pin to form a second hinge structure, so that the third link 320 is rotatably connected to the second link 230.

The second four-bar linkage 300 is connected to the first four-bar linkage 200 for driving the back bed panel 500 of the bed to rotate. Specifically, the first hinge hole 221 at one end of the first connecting element 220 is rotatably connected to the first hinge plate 213 in the prime mover 210 through a pin; the third hinge hole 223 in the middle of the first link 220 is rotatably connected to the second hinge plate 231 in the second link by a pin; the second hinge hole 222 at one end of the first connecting member 220 is rotatably connected to the connecting rod 310 by a pin, so that the second four-bar linkage 300 is connected to the first four-bar linkage 200, and the first four-bar linkage 200 can drive the second four-bar linkage 300 to move, thereby driving the back bed panel 500 of the bed to rotate.

In this embodiment, the pin shaft of each hinge connection structure is embedded in the round hole of each hinge point to ensure the normal rotation of the hinge connection point.

The working process of the whole bed panel coupling rotating device in the embodiment is as follows:

the whole initial state of the bed is as shown in fig. 6, the bed body 600 is fixed, the motor of the linear push rod motor is powered on, the motor 120 acts, the push rod 110 is pushed out, the push rod 110 pushes the rotating shaft 211 to rotate around the hinge point on the bed body 600, and drives the first connecting piece 220 to rotate around the waist bed panel 400 through the third hinge hole 223, so as to drive the waist bed panel 400 to rotate around the hinge point with the bed body 600, and further, the waist bed panel 400 is driven to rotate around the hinge point with the bed body 600 through the first four-bar linkage mechanism, so that the waist bed panel 400 is lifted, as shown in fig. 1 and fig. 2.

Meanwhile, when the linear push rod motor pushes the first connecting member 220 to rotate, the first connecting member 220 rotates around the point third hinge hole 223, and at the same time, the first connecting member 220 drives the connecting rod 310 to rotate, the connecting rod 310 drives the back bed panel 500 to rotate around the hinge point with the waist bed panel 6, so that the back bed panel 500 is driven to rotate around the hinge point with the waist bed panel 400 through the second four-bar linkage mechanism, and the back bed panel 500 is lifted, as shown in fig. 1 and fig. 2.

Through the rotation of the first connecting piece 220, the synchronous motion of the two four-bar linkages can be realized, so that the back bed panel 500 and the waist bed panel 400 are coupled and rotated under the single driving action of the linear push rod motor.

In summary, the bed of this embodiment can realize the coupled linkage rotation of the first four-link transmission mechanism 200 and the second four-link transmission mechanism 300 under the driving action of one driving device through the above connection structure, so that when the waist bed panel 400 rotates within a certain angle range, the back bed panel 500 synchronously rotates within a certain angle range, and further the problems that the existing bed panels cannot be linked, the extrusion condition between the panels is easy to occur, the existing bed panels are inconvenient to use, and the service life of the bed panels is affected are solved.

In summary, the bed panel coupling rotation device and the bed having the same according to the embodiments of the present invention may have the following advantages:

1. the bed panel coupling rotating device and the bed with the same utilize the principle that two four-bar mechanisms share a connecting rod, and realize the rotation coupling between driven parts through the motion transmission of the connecting rod mechanisms, namely realize the linkage between bed panels through the interconnected rotation between the components, and the components have simple structure and reliable transmission and are convenient to realize.

2. The bed panel coupling rotating device and the bed with the coupling rotating device in the embodiment of the application only need one driving device to enable the whole mechanism to move, and the economy is high.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. Bed panel coupling rotating device, its characterized in that, bed panel coupling rotating device includes:

a drive device (100);

the first four-link transmission mechanism (200), the first four-link transmission mechanism (200) is connected with the driving device (100) and is used for driving the waist bed panel (400) of the bed to rotate;

and

and the second four-connecting-rod transmission mechanism (300), wherein the second four-connecting-rod transmission mechanism (300) is connected with the first four-connecting-rod transmission mechanism (200) and is used for driving the back bed panel (500) of the bed to rotate.

2. The deck plate coupling turning device of claim 1, wherein the first four-bar linkage (200) comprises a prime mover (210), a first connector (220), and a second connector (230);

the motive power piece (210) is rotatably connected to a bed body (600) of the bed, and the first connecting piece (220) is rotatably hinged with the motive power piece (210); one end of the second connecting piece is rotatably hinged with the first connecting piece (220); the other end of the second connecting piece is rotatably connected to a bed body (600) of the bed; so that the prime mover (210), the first connector (220) and the second connector (230) and the bed (600) of the bed form a four-bar linkage.

3. The cou pling deck coupling turning device as claimed in claim 2, characterized in that the prime mover (210) is connected with the driving device (100) through a first hinge structure, so that the driving device (100) can drive the lumbar deck (400) of the bed to turn around the bed body (600) of the bed through the first four-bar linkage (200).

4. The deck plate coupled turning device of claim 2, wherein a waist deck plate (400) of the bed is mounted on the second connector (230);

alternatively, the second connector (230) is a waist bed panel (400) of the bed.

5. The deck plate coupled turning device of claim 2, wherein the second four-bar linkage (300) comprises a link (310) and a third link (320);

one end of the connecting rod (310) is rotatably hinged with the first connecting piece (220); the other end of the connecting rod (310) is rotatably hinged with the third connecting piece (320); and the third link (320) is rotatably connected with the second link (230) by a second hinge structure; such that the first link (220), the link (310), the third link (320) and the waist bed panel (400) of the bed form a second four-link transmission.

6. The deck plate coupling rotation device as claimed in claim 5, wherein one end of the first link member (220) is rotatably hinged to the prime mover (210); the second connecting piece is rotatably hinged with the middle part of the first connecting piece (220); the other end of the first connecting piece (220) is rotatably hinged with the connecting rod (310); the second four-link transmission mechanism (300) is connected with the first four-link transmission mechanism (200), so that the first four-link transmission mechanism (200) can drive the second four-link transmission mechanism (300) to move, and further drive the back bed panel (500) of the bed to rotate.

7. The deck plate coupled turning device of claim 5, wherein a back deck plate (500) of the bed is mounted on the third connector (320);

alternatively, the third connector (320) is a back bed panel (500) of the bed.

8. The cou pled bed panel turning device according to any one of claims 1 to 7, wherein the driving means (100) is an electric push rod, an electric cylinder, a hydraulic push rod, an electromagnetic push rod or a pneumatic push rod.

9. The device for coupling and rotating a bed panel as claimed in claim 8, wherein the driving device (100) is an electric linear push rod.

10. Bed comprising a waist bed panel (400), a back bed panel (500) and a bed (600), characterized in that the bed further comprises a bed panel coupling turning device according to one of the claims 1 to 9.

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