CN214285487U - Rocking bed - Google Patents

Abstract

The utility model relates to a swing bed, which comprises a bedstead and a bed board, wherein the bed board comprises a middle board and side boards, the middle board is movably hung on the bedstead, the side boards are respectively connected with the left side and the right side of the middle board in a rotating way, the back of the middle board is provided with a board turning mechanism, a board fixing mechanism and a swing mechanism, the board turning mechanism can turn the side boards upwards along the two sides of the middle board, the middle board can be fixedly arranged on the bedstead by the board fixing mechanism, and the swing mechanism can drive the bed board to swing left and right relative to the bedstead; the back of the middle plate is provided with the limiting clamp for preventing the side plate from falling back after being turned upwards, the medical bed can change the contact part of the bed surface and a human body through the swing angle, the blood circulation of the skin at the pressed part is promoted when the medical bed is laid, and the long-term bed-lying bedsore of a person is prevented.

Description

Rocking bed

Technical Field

The utility model relates to a bed especially relates to a rocking bed.

Background

The patient lies in bed for a long time and can not turn over due to the needs of diseases and treatment. The long-time bed-rest can lead the local tissues of the body of the patient to be pressed for a long time, lead the blood circulation to be obstructed, not only easily cause bedsore, but also cause other complications. The care measures taken in hospitals are: for a patient lying in bed for a long time, a nursing staff needs to turn over the patient passively every 2 hours and massage the patient, so that the blood of the pressed part of the body is smooth and breathable, the skin is kept dry, and bedsores are prevented. The nursing bed has the disadvantages that the nursing staff has large workload, heavy nursing work and inconvenient operation, and can cause the body of the patient to feel pain when the patient is continuously turned over. The patient sleeps on the bed for a long time, and the posture is relatively fixed, so that the spine skeleton of the human body is easily damaged to a certain extent.

In addition, some people with poor sleep quality have difficulty falling asleep when lying in bed.

Disclosure of Invention

An object of the utility model is to provide a rocking bed to solve among the prior art because long-time bed rest makes patient's organism local tissue receive the pressure for a long time, makes blood circulation take place the obstacle, not only easily produces bedsore, but also can cause the problem of other complications.

In order to solve the above problem, the utility model relates to a rocking bed adopts following technical scheme:

a swing bed comprises a bed frame and a bed board, wherein the bed board comprises a middle board and side boards, the middle board is movably hung on the bed frame, the side boards are respectively and rotatably connected to the left side and the right side of the middle board, a board turning mechanism, a board fixing mechanism and a swing mechanism are arranged on the back of the middle board, the board turning mechanism can enable the side boards to turn upwards along the two sides of the middle board, the board fixing mechanism can fixedly arrange the middle board on the bed frame, and the swing mechanism can drive the bed board to swing left and right relative to the bed frame; the back of the middle plate is provided with a limiting clamp for preventing the side plate from falling back after being turned over.

Furthermore, the plate turning mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, the center of the second connecting rod is rotatably connected to the middle plate, two ends of the second connecting rod are respectively hinged with the first connecting rod and the third connecting rod, the other end of the first connecting rod is hinged with the left side plate, and the other end of the third connecting rod is hinged with the right side plate; the second connecting rod rotates around the rotation center and can drive the first connecting rod and the third connecting rod to further push the side plate to turn upwards or fall back; the plate fixing mechanism comprises a Y-shaped rod hinged to one end of the second connecting rod, the outer forked ends of the Y-shaped rod are respectively provided with a plate fixing clamp, and when the side plate falls back, the plate fixing clamp horizontally extends outwards and is clamped on the bedstead; when the side plate is turned upwards, the clamping groove of the fixed plate clamp horizontally returns inwards and is separated from the bedstead; the clamping groove of the limiting clamp faces downwards, the limiting clamp is located above the first connecting rod, and in the process of turning up the side plate, the first connecting rod is clamped into the limiting clamp to prevent the side plate from falling back.

Furthermore, one end part of the second connecting rod is connected with the driving piece.

Furthermore, the swing mechanism comprises a fixed magnet and a movable magnet which are arranged oppositely, the fixed magnet is vertically arranged on the bed frame, the movable magnet is rotatably arranged on the middle plate, the back of the movable magnet is hinged with one end of the second connecting rod through a magnet push rod, and when the side plate is flush with the middle plate, an included angle is formed between the movable magnet and the fixed magnet; when the side plate is turned upwards, the movable magnet swings to be parallel to the fixed magnet in the direction close to the fixed magnet.

Furthermore, the swing mechanism comprises a fixed magnet and an electromagnet which are arranged oppositely in parallel, the fixed magnet is vertically arranged on the bedstead, and the electromagnet is vertically arranged on the middle plate.

Furthermore, the swing mechanism comprises an electric push rod arranged on the bed frame, and the tail end of the push rod of the electric push rod is hinged with the back of the middle plate.

Furthermore, the swing mechanism comprises an outer cylinder and an inner cylinder, one end of the inner cylinder is clamped in the outer cylinder in a sleeved mode, the inner cylinder can move along the outer cylinder so as to change the length of a cylinder section of the inner cylinder sleeved in the outer cylinder, and a buffer piece is connected between the inner cylinder and the outer cylinder; the sleeve joint of the inner cylinder and the outer cylinder is provided with a limiting part which can prevent the relative displacement of the inner cylinder and the outer cylinder.

Furthermore, headboards are respectively installed at two ends of the middle plate, a cavity is formed in the headboard, a suspension seat of the bed frame is located in the cavity, and the middle plate is suspended on the suspension seat through a swing rod; arc-shaped slideways are symmetrically arranged on two sides of the headboard, movable sliding plates are arranged in the arc-shaped slideways, and the side boards are connected with the corresponding movable sliding plates.

Furthermore, a tensioning device is arranged on the bed plate and comprises a tensioning rod connected with power equipment, a belt fixing seat is sleeved on the tensioning rod, one end of the tensioning belt is fixed at the upper end of the belt fixing seat, and the other end of the tensioning belt bypasses the bed plate and is fixed at the lower end of the belt fixing seat; the tensioning belt is provided with movable connectors at the positions of two sides of the bed plate respectively.

Further, the intermediate plate is rotated in the position that is close to the head of a bed and is equipped with movable intermediate plate, the sideboard is rotated in the position that is close to the head of a bed and is equipped with movable sideboard, is connected with the support frame at the back of movable intermediate plate, movable sideboard, and the support frame is connected with drive arrangement.

The utility model has the advantages as follows:

1. the utility model discloses a rocking bed to the inconvenient patient that lies in bed for a long time of action, the rocking bed can change bed surface and human contact site through the angle of swaying, promotes the skin blood circulation of the compression position when lying, prevents that the long bedsore of the people that lies in bed for a long time. The patient or the person who does not sleep well lies on the swinging bed, and the swinging can promote the quick sleep and improve the sleep quality.

2. The bed surface is provided with a plurality of tensioning belts which can lift the whole body of a person who is inconvenient to move, thereby being convenient for poor body washing, defecation cleaning, bed articles replacement and the like.

3. The patient or the person who does not sleep well lies on the swinging bed, and the swinging can promote the quick sleep and improve the sleep quality.

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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first structural schematic diagram of embodiment 1.

Fig. 2 is a schematic structural diagram of the second embodiment 1.

Fig. 3 is a schematic structural view of the bed frame.

Fig. 4 is a schematic structural view of a flat state in embodiment 1.

Fig. 5 is a schematic structural view of the swing state of embodiment 1.

Fig. 6 is a schematic structural view of a flat state in embodiment 2.

Fig. 7 is a schematic structural view of the swing state of embodiment 2.

Fig. 8 is a schematic structural view of a bed frame according to embodiment 3.

Fig. 9 is a schematic structural view of a flat state in embodiment 3.

Fig. 10 is a first structural diagram after the tensioning device is installed.

Fig. 11 is a schematic structural diagram of the second tensioning device after installation.

Fig. 12 is a schematic structural view of a tension belt and a movable interface.

Fig. 13 is a first structural schematic diagram after the movable middle plate and the movable side plate are installed.

Fig. 14 is a second schematic structural view after the movable middle plate and the movable side plate are installed.

Fig. 15 is a schematic structural view of the headboard.

Fig. 16 is a schematic view showing a structure of a horizontal state after the headboard is installed.

Fig. 17 is a schematic structural view showing a state of swinging after the headboard is installed.

FIG. 18 is a schematic structural view of example 7.

Fig. 19 is a schematic structural view of the limit card.

Fig. 20 is a schematic structural view of the limit lock.

The reference numbers in the figures illustrate: 1-bed frame, 2-middle plate, 3-side plate, 4-turnover plate mechanism, 41-first connecting rod, 42-second connecting rod, 43-third connecting rod, 44-middle connecting rod and 45-linear driver; 5-a plate fixing mechanism, 51-a Y-shaped rod and 52-a plate fixing clamp; 6-a swing mechanism, 61-a fixed magnet, 62-a movable magnet, 63-a magnet push rod, 64-an electromagnet and 65-an electric push rod; 7-limit clamp, 71-limit clamp cable, 72-limit clamp pull plate, 73-limit clamp spring, 74-limit clamp auxiliary plate, 8-headboard, 9-swinging rod, 10-hanging seat, 11-arc slideway, 12-moving sliding plate, 13-handrail, 14-roller, 15-tensioning rod, 16-tensioning belt, 17-belt fixing seat, 18-rotating motor, 19-rocking handle, 20-moving intermediate plate, 21-moving side plate, 22-supporting frame, 23-upward rocking electric push rod, 24-hand rod, 25-connecting sleeve, 26-inner cylinder, 27-outer cylinder, 28-moving interface, 29-limit column, 291-limit column cable, 292-limit column spring, 293-limit column pull plate, 294-limiting post guide groove.

Detailed Description

In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.

Example 1:

a rocking bed, as shown in figures 1-3, comprises a bed frame 1 and a bed board, wherein the bed board comprises a middle board 2 and side boards 3, the middle board 2 is hung on a hanging seat 10 of the bed frame through a swinging rod 9, and the side boards 3 are respectively connected with the left side and the right side of the middle board 2 through hinges in a rotating way. The back of the middle plate 2 is provided with a plate turning mechanism, a plate fixing mechanism and a swinging mechanism, wherein the plate turning mechanism can turn over the side plates along two sides of the middle plate 2, the plate fixing mechanism can fix the middle plate 2 on the bedstead, and the swinging mechanism can drive the bed plate to swing left and right relative to the bedstead 1; the back of the middle plate 2 is provided with a limiting clamp 7 for preventing the side plate 3 from falling back after being turned upwards.

As shown in fig. 4-5, the panel turnover mechanism includes a first link 41, a second link 42, and a third link 43, the second link is rotatably connected to the middle panel through a vertical shaft, the middle panel is slidably sleeved on the vertical shaft, and the vertical shaft has a length that allows a small displacement of the middle panel along the axial direction. Two ends of the second connecting rod are respectively hinged with the first connecting rod and the third connecting rod, the other end of the first connecting rod 41 is hinged with the left side plate 3, and the other end of the third connecting rod 43 is hinged with the right side plate 3. The rocking bed in this embodiment is provided with two sets of plate-turning mechanisms, and the end parts (the same side) of the second connecting rods of the two sets of plate-turning mechanisms are rotatably connected through the middle connecting rod 44. When the first connecting rod, the second connecting rod and the third connecting rod are bent at the hinge point to form a fold line, the side plate 3 and the middle plate 2 are in a flush state. When the first connecting rod, the second connecting rod and the third connecting rod tend to be collinear, the side plate 3 is in an upturned state. The power for driving the first connecting rod, the second connecting rod and the third connecting rod to move can be manual or electric, and when the manual operation is adopted, the edge plate is manually pressed or lifted, so that the first connecting rod, the second connecting rod and the third connecting rod are driven to perform linkage action to realize the upturning of the edge plate. When the electric driving is adopted, one end of the second connecting rod 42 is connected with the linear driver 45 (the linear driver in fig. 4-5 is not shown, and refer to the linear driver in fig. 6), the push rod of the linear driver 45 moves backwards, the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 are driven to gradually approach to a straight line, and the side plate 3 is turned upwards.

The plate fixing mechanism comprises a Y-shaped rod 51 and a plate fixing clamp 52, the inner end of the Y-shaped rod is hinged with one end of the second connecting rod 42, the outer forked ends of the Y-shaped rod are respectively provided with the plate fixing clamp 52, when the first connecting rod, the second connecting rod and the third connecting rod form a folding line, the plate fixing clamp 52 horizontally extends outwards and is clamped on the bedstead, and at the moment, the bedplate cannot swing relative to the bedstead. When the first connecting rod, the second connecting rod and the third connecting rod tend to be collinear, the clamping groove of the fixed board clamp 52 horizontally retracts inwards and is separated from the bedstead 1, and at the moment, the bed board and the bedstead 1 can swing relatively.

As shown in fig. 4-5, the slot of the limit card 7 faces downward, the limit card 7 is located above the first connecting rod 41, and when the side plate is turned up manually, the first connecting rod 41 is clamped into the limit card 7, so that the first connecting rod, the second connecting rod and the third connecting rod tend to be collinear. After the first connecting rod is clamped into the limiting clamp, the limiting clamp limits the connecting rod, the rotating shaft at the center of the second connecting rod limits the second connecting rod, the third connecting rod is limited, and the first connecting rod, the second connecting rod and the third connecting rod can keep the three rods in a collinear state, namely after the first connecting rod is clamped into the limiting clamp, the side plate can maintain an upturning state.

As shown in fig. 19, the limiting clamp 7 is rotatably mounted on the back of the middle plate, the auxiliary limiting clamp plate is fixedly mounted on the back of the side plate, a limiting clamp spring is arranged between the limiting clamp and the auxiliary limiting clamp plate, the limiting clamp pull rope sequentially passes through the limiting clamp spring and the auxiliary limiting clamp plate to be connected with the limiting clamp pull plate, and the limiting clamp pull plate is rotatably mounted on the back of the side plate near the outer side. When the first connecting rod is clamped into the clamping groove of the limiting clamp, the limiting clamp can limit the connecting rod together, and the side plate is kept turned upwards; when the limiting clamp plate is pulled outwards, the limiting clamp rotates and is separated from the first connecting rod, namely the first connecting rod is separated from the clamping groove of the limiting clamp 7, the first connecting rod loses limiting, the edge plate is pressed downwards at the moment, and the edge plate and the middle plate are parallel and level.

As shown in fig. 4-5, the swing mechanism includes a fixed magnet 61 and a moving magnet 62 disposed opposite to each other, the fixed magnet 61 is vertically mounted on the bed frame 1, the moving magnet 62 is rotatably mounted on the middle plate 2, the back of the moving magnet is hinged to one end of the second connecting rod 42 through a magnet push rod 63, and when the first connecting rod, the second connecting rod and the third connecting rod are broken lines, the moving magnet 62 and the fixed magnet 61 have an included angle; when the first link, the second link and the third link tend to be collinear, the moving magnet 62 swings to be parallel to the fixed magnet in a direction close to the fixed magnet 61. The bed board swings left and right under the action of the homopolar repulsion force of the magnets.

Example 2: the following description will focus on differences from embodiment 1.

As shown in fig. 6 to 7, the rocking mechanism includes a fixed magnet 61 and an electromagnet 64 disposed in parallel and facing each other, the fixed magnet being vertically installed on the frame, and the electromagnet 64 being vertically installed on the intermediate plate 2. The electromagnetic coil is electrified, and the bed board swings left and right under the action of the electromagnetic force. The modes of the wobble are divided into three types: a straight pendulum mode, a timing mode, and an automatic mode. The straight swinging mode is that the switch is opened to swing all the time; the timing mode is that after timing, the swing amplitude is gradually reduced along with time until the swing is stopped, the electromagnetic coil is powered off, the linear driver pulls the connecting rod, the four fixed plates are clamped on the bed frame, and two sides of the bed plate are flat; in the automatic mode, a heart rate testing device can be arranged on the pillow and the outlet, the swing amplitude and the sleep state are determined according to the change of the heart rate, the swing is stopped after the sleep is determined, the electromagnetic coil is powered off, the linear driver 45 pulls the second connecting rod, the four fixing plate clamps 52 clamp the bed frame 1, and the side plates on the two sides of the bed plate fall back to be parallel to the middle plate.

Example 3: the following description will focus on differences from embodiment 1.

As shown in fig. 8-9, the rocking mechanism includes an electric push bar 65 mounted on the frame, the end of the electric push bar being hinged to the back of the intermediate plate 2. The power source of the swing is changed from electromagnetic type to electric type. The intermittent swing is added on the basis of the straight swing mode, the timing mode and the automatic mode in the swing mode, and the intermittent swing has the functions of changing the angle of the bed plate within set time, simulating the change of the sleeping posture of a person in the sleeping process, preventing the local skin from being pressed for a long time and being suitable for the person with inconvenient movement.

Example 4: the following description will focus on differences from embodiment 1.

As shown in fig. 10-11, a tensioning device is disposed on the bed plate, the tensioning device includes a tensioning rod 15 and a tensioning belt 16, a belt fixing seat 17 is fixed on the tensioning rod, one end of the tensioning belt 16 is embedded and fixed on the upper end of the belt fixing seat 17, and the other end of the tensioning belt 16 passes around the bed plate and is embedded and fixed on the lower end of the belt fixing seat 17. The end of the tension rod 15 is connected to a power device, which may be a rotating motor 18 (fig. 10) or a rocking handle 19 (fig. 11). Through rotating tensioning rod 15, tensioning belt 16 can tighten up gradually on the tensioning rod to many tensioning belts can lift inconvenient people's whole, make things convenient for poor washing, clearance stool and urine, change bedclothes etc..

Meanwhile, considering that the tension belt at the upper part of the bed body contacted with the human body is easy to be dirty, and the whole replacement is more complex, therefore, the tension belt is designed to be movably connected, namely, movable connectors 28 are designed at the positions at two sides of the bed plate, as shown in fig. 12, the movable connectors 28 can be connected by adopting a flexible binding belt, an annular buckle and the like, and the disassembly and the washing are convenient.

Example 5: the following description will focus on differences from embodiment 1.

As shown in fig. 15-17, two ends of the middle plate 2 are respectively provided with a headboard 8, a cavity is arranged in the headboard 8, the suspension seat of the bed frame 1 is positioned in the cavity, and the middle plate 2 is hung on the suspension seat 10 through a swing rod 9; arc-shaped slideways 11 are symmetrically arranged on two sides of the headboard 8, movable sliding plates 12 are arranged in the arc-shaped slideways 11, and the side boards are connected with the corresponding movable sliding plates 12. When the side plates 3 are folded, the side plate-connected movable slide plate 12 moves upward along the arc-shaped slide way 11.

Example 6: the following description will focus on differences from embodiment 1.

As shown in fig. 13-14, the middle plate 2 is rotatably assembled with a movable middle plate 20 at a position close to the head of the bed, the side plates 3 are rotatably assembled with movable side plates 21 at a position close to the head of the bed, a support frame 22 is connected to the movable middle plate and the back of the movable side plates, and the support frame 22 is connected with a driving device. The driving device can swing the electric push rod 23 upwards (as shown in fig. 12), the electric push rod swings upwards to be hinged with the support frame 22, the electric push rod 23 swings upwards to push the support frame upwards, and therefore the movable middle plate 20 and the movable side plates 21 are pushed upwards to turn over the bed head, and the semi-lying body position is achieved. Also can adopt manually (like fig. 13), hand rocking rod 24 rotates and installs in the intermediate lamella back, and the tip thread bush of hand rocking rod has adapter sleeve 25, and adapter sleeve 25 is articulated with support frame 22, and adapter sleeve 25 antedisplacement when rotating hand rocking rod, and then promote support frame 22 to the upturning that realizes the head of a bed position is pushed up with activity intermediate lamella 20, activity sideboard 21, realizes half position of lying.

For safety and convenience of movement, the armrests 13 may be provided outside the side plates 3, and rollers 15 may be installed at the lower end of the frame to facilitate the movement of the position.

Example 7: the following description will focus on differences from embodiment 1.

In this embodiment, the swing mechanism includes an outer cylinder 27 and an inner cylinder 26 with one end thereof being clamped in the outer cylinder, the inner cylinder can move along the outer cylinder to change the length of the section of the inner cylinder sleeved in the outer cylinder, after the side plate is turned up, the bed plate rotates moderately under the action of gravity, the inner cylinder 26 and the outer cylinder 27 move relatively in a reciprocating manner, so that the bed plate will continue to swing in a small range and in a small frequency, and meanwhile, a buffer member is connected between the inner cylinder and the outer cylinder, the buffer member can be a spring and the like, for example, the spring is connected between the end of the inner cylinder and the bottom of the outer cylinder, and the impact during the swing can be reduced. This embodiment adopts magnetic drive or electrically driven mode of swaying for other embodiments, and main advantage lies in, more steady during swaying, can not produce impact force in the twinkling of an eye, does not have noise such as motor simultaneously, is fit for the crowd that the quality of sleeping is poor.

The locating part which can prevent the inner barrel and the outer barrel from relative displacement is arranged at the sleeve joint of the inner barrel and the outer barrel, as shown in figure 20, the locating part can adopt a spacing column, the spacing column is arranged in a spacing column guide groove of the side wall of the outer barrel, a row of side holes allowing the spacing column to be inserted are uniformly formed in the position, corresponding to the spacing column, of the side wall of the inner barrel, a spacing column spring is arranged between the bottom of the spacing column and the bottom of the spacing column guide groove, a spacing column inhaul cable sequentially penetrates out of the spacing column spring and the bottom of the spacing column guide groove and is connected with a spacing column pull plate, and the spacing column pull plate is rotatably arranged at the position, close to the outer side, of the back of the sideboard. When the limiting column is pulled to pull the plate, the limiting column is pulled out from the side hole of the inner cylinder, the inner cylinder and the outer cylinder lose the limiting, and the inner cylinder and the outer cylinder can continuously swing for a small amplitude and a small frequency relative to the bed plate; when the bed body swings to a proper angle, the pull plate of the limiting column is loosened, the limiting column is reinserted into the side hole of the inner cylinder for limiting under the action of the elastic force of the limiting column spring, namely, the inner cylinder and the outer cylinder do not move relatively any more, so that the bed body can keep a certain swing angle.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, but the protection scope of the present invention is not limited thereto, and any equivalent replacement and modification or partial replacement that do not depart from the spirit and scope of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. A rocking bed, characterized by: the bed board comprises a bed frame and a bed board, wherein the bed board comprises a middle board and side boards, the middle board is movably hung on the bed frame, the side boards are respectively and rotatably connected to the left side and the right side of the middle board, a board turning mechanism, a board fixing mechanism and a swinging mechanism are arranged on the back of the middle board, the board turning mechanism can enable the side boards to turn upwards along the two sides of the middle board, the board fixing mechanism can fixedly arrange the middle board on the bed frame, and the swinging mechanism can drive the bed board to swing left and right relative to the bed frame; the back of the middle plate is provided with a limiting clamp for preventing the side plate from falling back after being turned over.

2. A rocking bed as claimed in claim 1, wherein: the plate turning mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, the center of the second connecting rod is rotatably connected to the middle plate, two ends of the second connecting rod are respectively hinged with the first connecting rod and the third connecting rod, the other end of the first connecting rod is hinged with the left side plate, and the other end of the third connecting rod is hinged with the right side plate; the second connecting rod rotates around the rotation center and can drive the first connecting rod and the third connecting rod to further push the side plate to turn upwards or fall back; the plate fixing mechanism comprises a Y-shaped rod hinged to one end of the second connecting rod, the outer forked ends of the Y-shaped rod are respectively provided with a plate fixing clamp, and when the side plate falls back, the plate fixing clamp horizontally extends outwards and is clamped on the bedstead; when the side plate is turned upwards, the clamping groove of the fixed plate clamp horizontally returns inwards and is separated from the bedstead; the clamping groove of the limiting clamp faces downwards, the limiting clamp is located above the first connecting rod, and in the process of turning up the side plate, the first connecting rod is clamped into the limiting clamp to prevent the side plate from falling back.

3. A rocking bed as claimed in claim 2, wherein: one end part of the second connecting rod is connected with the driving piece.

4. A rocking bed as claimed in claim 3, wherein: the swing mechanism comprises a fixed magnet and a movable magnet which are arranged in opposite directions, the fixed magnet is vertically arranged on the bedstead, the movable magnet is rotatably arranged on the middle plate, the back of the movable magnet is hinged with one end of the second connecting rod through a magnet push rod, and when the side plate is flush with the middle plate, an included angle is formed between the movable magnet and the fixed magnet; when the side plate is turned upwards, the movable magnet swings to be parallel to the fixed magnet in the direction close to the fixed magnet.

5. A rocking bed as claimed in claim 3, wherein: the swing mechanism comprises a fixed magnet and an electromagnet which are arranged in parallel and oppositely, the fixed magnet is vertically arranged on the bedstead, and the electromagnet is vertically arranged on the middle plate.

6. A rocking bed as claimed in claim 3, wherein: the swing mechanism comprises an electric push rod arranged on the bedstead, and the tail end of the push rod of the electric push rod is hinged with the back of the middle plate.

7. A rocking bed as claimed in claim 3, wherein: the swing mechanism comprises an outer cylinder and an inner cylinder, one end of the inner cylinder is clamped in the outer cylinder in a sleeved mode, the inner cylinder can move along the outer cylinder so as to change the length of a cylinder section of the inner cylinder sleeved in the outer cylinder, and a buffer piece is connected between the inner cylinder and the outer cylinder; the sleeve joint of the inner cylinder and the outer cylinder is provided with a limiting part which can prevent the relative displacement of the inner cylinder and the outer cylinder.

8. A rocking bed as claimed in any one of claims 1 to 7, wherein: the two ends of the middle plate are respectively provided with a headboard, a cavity is arranged in the headboard, a suspension seat of the bedstead is positioned in the cavity, and the middle plate is suspended on the suspension seat through an oscillating rod; arc-shaped slideways are symmetrically arranged on two sides of the headboard, movable sliding plates are arranged in the arc-shaped slideways, and the side boards are connected with the corresponding movable sliding plates.

9. A rocking bed as claimed in claim 8, wherein: the bed plate is provided with a tensioning device, the tensioning device comprises a tensioning rod connected with power equipment, a belt fixing seat is sleeved on the tensioning rod, one end of the tensioning belt is fixed at the upper end of the belt fixing seat, and the other end of the tensioning belt bypasses the bed plate and is fixed at the lower end of the belt fixing seat; the tensioning belt is provided with movable connectors at the positions of two sides of the bed plate respectively.

10. A rocking bed as claimed in claim 9, wherein: the middle plate rotates in the position that is close to the head of a bed and is equipped with movable middle plate, the sideboard rotates in the position that is close to the head of a bed and is equipped with movable sideboard, is connected with the support frame at the back of movable middle plate, movable sideboard, and the support frame is connected with drive arrangement.

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