CN112438844B

CN112438844B - Structure of movable plate assembled bed body

Info

Publication number: CN112438844B
Application number: CN201910801555.9A
Authority: CN
Inventors: 唐上文
Original assignee: Gold Nanotech Inc
Current assignee: Gold Nanotech Inc
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2022-06-17
Anticipated expiration: 2039-08-28
Also published as: CN112438844A

Abstract

The invention provides a movable plate combined bed body structure, which comprises: a bedstead, which consists of a bedside part, a bed tail part and brackets at two opposite sides; the waterproof net cushion is arranged between the head part and the tail part of the bed and has the functions of tightening, loosening and hanging down; a group of movable bed boards which are respectively pivoted on the brackets at the two opposite sides of the bed frame, the group of movable bed boards have opening and closing functions, and the surface of the group of movable bed boards is provided with a plurality of independent balls which can be inflated and deflated; the movable plate combined bed body structure can be lifted and opened and closed, the burden of nursing personnel or family members can be greatly reduced, most importantly, all actions of a patient are finished on the bed, the patient does not need to be moved or put off the bed, and the operation is very convenient.

Description

Structure of movable plate assembled bed body

Technical Field

The invention relates to a combined design of a movable bed board, in particular to a movable plate combined bed body structure which can reduce pressure sores caused by long-term bedridden (or long-seated).

Background

Patients or old people who need to lie in bed for a long time all need family members or nursing staff to assist at the bedside when living, and need to frequently turn over and rehabilitate for preventing bedsores.

The existing bath accessories and home bath services are known, but the existing bath accessories and home bath services still have the risk of injury when a patient is moved, particularly the patient cannot be considered to be self-respected, and the existing bath accessories and home bath services are really lack of perfection in terms of humanization.

In view of the above, how to create a more humanized convenient bed to assist medical care personnel or family members to easily set time for hanging off the bed surface to avoid pressure sores even if lying on the bed for a long time, and to directly perform bathing and body cleaning and toilet activities in the bed structure is an active improvement to the invention.

Disclosure of Invention

The invention mainly aims to provide a movable plate combined bed body structure which can be convenient for medical care personnel or family members to assist patients lying in bed for a long time, and can greatly reduce the burden of nursing personnel or family members through the functions of the waterproof net pad and the movable bed plate, so that all actions of the patients are completed on the bed.

To achieve the object, the present invention provides a novel and convenient movable plate assembled bed structure, which comprises: the bed frame consists of a bed head part, a bed tail part and brackets at two opposite sides; a waterproof net pad which is arranged between the head part and the tail part of the bed in a conveying belt mode and can form the functions of tightening, loosening or hanging down; a group of movable bed boards which are respectively pivoted on the brackets at the two opposite sides of the bed frame and can do the opening and closing actions; and the surface of the group of movable bed plates is provided with a plurality of independent balls which can be inflated and deflated.

The above-mentioned bed structure further comprises a plurality of support rods, which are arranged on the supports at two opposite sides in a uniformly spaced distribution manner.

The movable plate combined bed body structure further comprises an operation panel arranged on the surface of the tail part of the bed and a transmission mechanism arranged in the operation panel.

The transmission mechanism comprises: an upper linkage rod, a lower linkage rod and a speed reducing motor; the upper linkage rod is wound with the waterproof net pad; two ends of the upper and lower linkage rods are respectively provided with a gear and a chain sleeved on the gear; the gears at the two ends of the upper linkage rod are provided with electromagnetic valve fixing bolts; the lower coupling rod is further provided with a driven gear, a section thread area and a sliding block assembly; the sliding block assembly is provided with a tooth row meshed with the thread cutting area so that the sliding block assembly can move on the lower interlocking rod, and a fixed bolt is used for limiting the rotation of a gear on the end part of the lower interlocking rod close to the fixed bolt; the speed reducing motor is selectively linked with a first fluted disc and a second fluted disc; the first fluted disc is meshed with the driven gear to control the rotation of the lower linkage rod, and the upper linkage rod synchronously rotates by means of the traction of the chain.

The transmission mechanism further comprises: the first pulley block and the second pulley block are symmetrically arranged; the first pulley block is provided with a first gear, a first pulley, a first inner pulley, a first outer pulley and a first fixed pulley which are coaxially arranged; the second pulley block is provided with a second gear, a second pulley, a second inner pulley, a second outer pulley and a second fixed pulley which are coaxially arranged; the first pulley block and the second pulley block are respectively wound with a wire rod respectively, the first pulley, the first inner pulley, the first outer pulley, the first fixed pulley, the second inner pulley, the second outer pulley and the second fixed pulley, one ends of the two wire rods are arranged on a supporting rod on one side in a penetrating mode in a plurality of parallel supporting rods arranged on supports on two opposite sides in a crossing mode, and the other ends of the two wire rods are arranged on each supporting rod in a penetrating mode and are positioned on the supporting rod on one side.

The transmission mechanism further comprises: a first chain wheel device, a second chain wheel device and a linkage gear; the first chain wheel device comprises a first linkage gear, a first movable bed board gear and a first chain; the second chain wheel device comprises a second linkage gear, a second movable bed plate gear and a second chain; the linkage gear is coaxial with the first linkage gear, the second linkage gear is meshed with the first linkage gear for transmission, and the first movable bed board gear and the second movable bed board gear are fixed on the brackets at two opposite sides of the bed frame in a penetrating manner.

The movable plate combined bed body structure also comprises an inflatable bathtub which can be linked and is arranged below the bed frame, and the inflatable bathtub forms a bathing space with a cushion body at the bottom and a peripheral wall annularly arranged around the bottom after being inflated.

The movable plate combined bed body structure further comprises a gas source which can be a pressure steel cylinder or an air compressor.

The inflatable bathtub can be replaced by a movable bedpan.

The movable bed board set can be arranged on any one of the brackets at two opposite sides of the bed frame in a single movable bed board mode, and the movable bed board with a single side edge capable of being opened and closed is formed in a mode that two movable bed boards are respectively pivoted on the brackets at two opposite sides of the bed frame.

The movable plate combined bed body structure has the functions of lifting, opening and closing, and can greatly reduce the burden of nursing personnel or family members; all the actions of the patient are finished on the bed, the patient does not need to be moved or put off the bed, and the operation is very convenient.

Drawings

FIG. 1 is an overall view of the bed structure with movable plate combination according to the present invention.

FIG. 2 is an exploded view of the movable plate assembled bed structure of the present invention.

FIG. 3 is a schematic view of the folding and unfolding of the waterproof net pad in the movable plate combined bed body structure of the present invention.

Fig. 4 is a schematic view of the structure of the movable bed plate and the support rods in the movable plate combined bed body structure of the invention.

FIG. 5 is a schematic view of the retracting and releasing actions of the support rods in the movable plate combined bed structure of the present invention.

FIG. 6 is a schematic view of the opening and closing actions of the movable bed plate in the movable plate combined bed body structure of the present invention.

Fig. 7 and 8 are diagrams of the movable plate combined bed structure of the present invention in the toilet state.

Fig. 9 is a diagram of another embodiment of a movable bed plate in the movable plate combined bed body structure of the invention.

Symbolic illustration in the drawings:

1, a bedstead; 11 a bed head part; 12, the tail part of the bed; 13, a bracket; 2 waterproof net pad; 3, supporting the rod; 4, a movable bed board; 5, inflating the bathtub; 51 a pad body; 52 a peripheral wall; 53 intake/exhaust ports; 54 water inlet/outlet; 6 an operation panel; 7, a transmission mechanism; 71 an upper linkage rod; 711 gear wheel; 712 solenoid valve fixing bolts; 72 lower linkage rod; 721 gear wheel; 722 a driven gear; 723 a threaded region; 724 a slider assembly; 725 rows of teeth; 726 fixing a bolt; 73 a chain; 74 a reduction motor; 741 a first toothed disc; 742 a second toothed disc; 75 a first pulley block; 751 a first gear; 752 first pulley; 753 first inner sheave; 754 first outer pulley; 755 first fixed sheave; 756 a wire; 76 second pulley block; 761 second gear; 762 a second pulley; 763 second inner pulley; 764 a second outer pulley; 765 a second fixed pulley; 766 a wire; 77 first sprocket assembly; 771 a first driving gear; 772 first movable bed board gear; 773 a first chain; 78 a second sprocket assembly; 781 second interlocking gear; 782 a second movable bed plate gear; 783 a second chain; 79 linkage gear; 8, a gas source; 9 moving the bedpan.

Detailed Description

Referring to fig. 1 and 2, the present invention provides a movable plate combined bed structure, which comprises: a bed frame 1, which consists of a head part 11, a tail part 12 and brackets 13 at two opposite sides; a waterproof net pad 2 which is arranged between the head part 11 and the tail part 12 in a conveying belt manner and can be controlled to be in a state of being tightened, loosened and hung; a plurality of support rods 3 (four support rods are taken as an example) respectively spanning the brackets 13 at two opposite sides of the bed frame 1 and evenly distributed at intervals to disperse the load of the bed board; a group of movable bed boards 4 which are respectively pivoted on the brackets 13 at the two opposite sides of the bed frame 1 and can be opened and closed; and an inflatable bathtub 5 which is inflated to form a bathing space having a cushion 51 at the bottom and a peripheral wall 52 around the cushion, so as to provide a general body cleaning for the patient without getting out of the bed.

The movable plate combined bed body structure of the invention further comprises an operation panel 6 arranged on the surface of the bed tail part 12 and a transmission mechanism 7 (not shown in a three-dimensional view) arranged in the operation panel; the control functions of the operation panel 6 include: the waterproof net pad 2 is controlled to be folded and unfolded; controlling to open or close the movable bed board 4; and controlling the inflation and deflation of the air and water required by the inflatable bathtub 5.

Referring to fig. 3, regarding the function of controlling the waterproof net pad 2 to be folded and unfolded, the specific structure of the transmission mechanism 7 includes: an upper linkage rod 71, which winds the waterproof net pad 2 in a winding manner; a lower linkage rod 72, two ends of the upper and

lower linkage rods

71, 72 are respectively provided with

gears

711, 721 with ball bearings at the centers and a chain 73 sleeved on the gears, wherein the gears 711 at two sides of the upper linkage rod 71 are provided with electromagnetic valve fixing bolts 712 and controlled by the electromagnetic valve fixing bolts to idle or be linked, the lower linkage rod 72 is further provided with a driven gear 722, a thread cutting area 723 and a slider assembly 724, the slider assembly 724 is provided with a tooth row 725 meshed with the thread cutting area 723 so that the slider assembly 724 can move on the lower linkage rod 72, and a fixing bolt 726 is used for limiting the rotation of the gear 721; a speed reducing motor 74, which is linked with a first gear 741, wherein the first gear 741 engages the driven gear 722 to control the rotation of the lower link 72, and at the same time, the upper link 71 is driven by the chain 73 to rotate synchronously.

According to the above-mentioned mechanism, when the tightening action of the waterproof net pad 2 is controlled, the waterproof net pad 2 is started by the reduction motor 74 and then rotates clockwise, so as to drive the first fluted disc 741 to rotate the driven gear 722 and the chain 73, and then the upper linkage rod 71 is rotated, so as to tighten the waterproof net pad 2, and finally, after the fixing pin 726 is inserted into the gear 721 to achieve fixing and positioning, the electromagnetic valve fixing pin 712 on the gear 711 is started to fix the upper linkage rod 71, and the gear 711 is in an idling state.

On the contrary, when the loosening action of the waterproof net pad 2 is controlled, the action is reversed, that is, the electromagnetic valve fixing bolt 712 on the gear 711 is closed to open the upper linkage rod 71 to be linked with the gear 711 again, and then the decelerating motor 74 is started to rotate counterclockwise, so that the lower linkage rod 72 is synchronously rotated to drive the fixing bolt 726 on the slider assembly 724 to leave the gear 721 (to the right in the drawing) when the waterproof net pad 2 is loosened, so that the waterproof net pad 2 achieves the loosening effect; if the operation is continued, the waterproof net pad 2 can be hung down.

Referring to fig. 4 and 5, regarding the function of controlling the opening or closing of the movable bed plate 4, since the plurality of support rods 3 are provided under the movable bed plate 4 for supporting, before opening or closing the movable bed plate 4, the opening or closing of the plurality of support rods 3 needs to be controlled, so as to achieve the function without any trouble. The transmission mechanism 7 further comprises the following components: the pulley block 75 has a first gear 751 and a first pulley 752, a first inner pulley 753, a first outer pulley 754 and a first fixed pulley 755 coaxially disposed, and similarly, the pulley block 76 also has a second gear 761 and a second pulley 762 coaxially disposed, a second inner pulley 763, a second outer pulley 764 and a second fixed pulley 765; all the pulleys of the first pulley block 75 and the second pulley block 76 are respectively wound by

wires

756 and 766, wherein one end of one wire 756 is wound by the first pulley 752 through the first outer pulley 754 and then is arranged on the support rod 3 on one side of the plurality of parallel support rods 3, and the other end of the one wire 756 is arranged on each support rod 3 of the plurality of parallel support rods 3 through the first pulley 752 and then is arranged by the first inner pulley 753, so as to form a circulating linkage action; similarly, the other wire 766 is disposed in the same manner, so that the deceleration motor 74 can be used to link the slider assembly 724 to move (leftwards in the drawing), when the gear row 725 moves to the second gear 742, the first gear 751 is simultaneously rotated to link the first pulley 752, and the second gear 761 is driven to link and mesh with the first pulley block 75 for transmission, and the first pulley block 75 is meshed with the second pulley block 76 for continuous transmission, so as to synchronously control the spreading and contracting actions of the plurality of supporting rods 3.

In the folding operation, when the deceleration motor 74 drives the lower linkage rod 72 to drive the slider assembly 724 to move (to the right in the drawing plane direction), and the rack 725 drives the second gear 742 to rotate clockwise, the first gear 751 and the first pulley 752 engaged with each other rotate counterclockwise, so that the second gear 761, the second pulley 762, and the second outer pulley 764 rotate clockwise, and at this time, the first pulley block 75 and the second pulley block 76 will pull the

wires

756, 766 located at the inner side simultaneously, and close the support rods 3 on one side of the plurality of support rods 3 toward the other support rods 3 until all the support rods 3 are attached together to complete the folding. On the contrary, in the unfolding operation, when the speed reduction motor 74 is linked to the second fluted disc 742 to rotate counterclockwise, the first pulley block 75 and the second pulley block 76 will synchronously pull the

wires

756 and 766 located at the outer sides, so that all the support rods 3 that are originally closed will be pulled out from the support rods 3 on one side, and all the support rods 3 are pulled out one by one to be positioned, thereby completing the unfolding.

Referring to fig. 6, after the retraction of the plurality of support rods 3 is completed, the opening and closing of the set of movable bed boards 4 can be further controlled; this drive mechanism 7 includes, in addition to the above-mentioned parts: a first sprocket gear 77, a second sprocket gear 78 and a linkage gear 79; wherein the first sprocket device 77 comprises a first linkage gear 771, a first movable bed plate gear 772 and a first chain 773; the second sprocket device 78 includes a second linking gear 781, a second movable bed plate gear 782 and a second chain 783; the linkage gear 79 and the first linkage gear 781 are coaxially arranged, the second linkage gear 781 is meshed with the first linkage gear 771 for transmission, and the first movable bed board gear 772 and the second movable bed board gear 782 penetrate through and are fixed on the brackets 13 on two opposite sides of the bed frame 1, so that a linkage effect is achieved, and the opening or closing action of the group of movable bed boards 4 can be controlled.

In the opening operation, when the reduction motor 74 drives the first fluted disc 741 to rotate counterclockwise, the meshed synchronous rotation driven gear 722 drives the lower linkage 72 and pulls the slider assembly 724 to move toward the left side of the drawing surface, and when the row of teeth 725 of the slider assembly 724 contacts and meshes with the linkage gear 79 to drive the second linkage gear 781 and drive the first linkage gear 771, the first chain 773 and the second chain 783 respectively pull the first movable bed plate gear 772 and the second movable bed plate gear 782, so that the two movable bed plates 4 are turned inside and downward to be positioned and stopped ninety degrees. On the contrary, in the closing operation, when the deceleration motor 74 drives the first fluted disc 741 to rotate counterclockwise, the slider assembly 724 on the lower linking rod 72 is driven to reset, and the tooth row 725 is finally separated from the linking gear 79, and simultaneously the second linking gear 781 drives the first linking gear 771 to pull the first movable bed plate gear 772 and the second movable bed plate gear 782 by the first chain 773 and the second chain 783, respectively, so that the two movable bed plates 4 are turned upwards towards the inner sides to be positioned and stopped at ninety degrees.

As shown in FIG. 2, the inflatable bathtub 5, in addition to being inflated to form a bathing space with a cushion 51 at the bottom and a peripheral wall 52 around the cushion, further comprises: a set of air inlet/outlet 53 and a set of water inlet/outlet 54, for easy implementation, the bed frame is further provided with a gas source 8, which can be implemented by a pressure steel cylinder or an air compressor; the gas source 8 is optionally disposed under the head 11 or foot 12 of the bed frame 1 to provide the inflation function of the inflatable bathtub 5, so that the inflation can be rapidly completed and the use is convenient.

According to the structure of the bed body combined by the movable plates, a patient lies on the bed frame 1 when in normal use; when a patient wants to clean the body, the waterproof mesh pad 2 is firstly controlled to be in a completely tightened state, the whole body of the patient is supported and suspended, then the supporting rods 3 are concentratedly collected to the tail part 12 of the bed through control, the two movable bed boards 4 are further controlled to turn over from the center to the right angle downwards to be in an open state, at the moment, the uninflated inflatable bathtub 5 arranged below the bed frame 1 is quickly inflated by utilizing the gas source 8 to form a bathing space, after the required proper amount of cleaning water with proper temperature is controlled to be injected, the waterproof mesh pad 2 is controlled to slowly relax to a hanging state, so that the patient can finally sit in the inflatable bathtub 5 all over the body, and the nursing personnel or families can conveniently clean the whole body until the cleaning is finished; after the completion, the waterproof net cushion 2 is controlled to be in a tight state, so that after the patient is completely separated from the inflatable bathtub 5, the cleaning water in the inflatable bathtub 5 is discharged and subjected to self-exhaust and pressure relief treatment, and then the cleaning water returns to the positioning position, the nursing staff or the family members can wipe the body of the patient, when the inflatable bathtub 5 is completely deflated, the two movable bed boards 4 are controlled to be reversely rotated, closed and reset, meanwhile, the plurality of support frames 3 are reset and evenly distributed under the movable bed board 4 to provide enough support, a cotton cloth pad or a bed sheet can be laid between the waterproof net pad 2 and the movable bed board 4 according to the requirement, so that on one hand, a comfortable lying effect is provided, on the other hand, the absorption of redundant moisture can be enhanced, the back of a patient can be dried, and finally, the waterproof net pad 2 is restored to a proper tightness degree, so that the whole weight of the patient can completely fall on the movable bed board 4.

Referring to fig. 7 and 8, the movable plate assembled bed body structure of the present invention not only provides convenient bathing and cleaning for the bedridden patient, but also provides a toilet-facilitating effect by providing the inflatable bathtub 5 under the bed frame 1, and in practice, the inflatable bathtub 5 can be replaced by a movable toilet bowl 9, so that the patient can conveniently take a bath and go to the toilet without getting out of bed.

When the inflatable bathtub 5 and the movable bedpan 6 are used and cleaned, the bed can be placed under the bedstead 1 in a deflating state without occupying other space, and can be quickly recharged for use once needed.

Finally, referring to fig. 9, in the implementation of the movable bed board 4 of the present invention, not only a group of two movable bed boards may be arranged oppositely, but also a single movable bed board 4 may be arranged on any one of the brackets 13 at two opposite sides of the bed frame 1, so as to form the movable bed board 4 with a single side edge being opened and closed.

The bed frame 1 of the invention can easily and conveniently lay and replace cotton cloth pads or bed sheets at any time, and controls the waterproof net pad 2 to be in a completely tightened state in practice, so that the body of a patient is kept not in contact with the movable bed board 4 to be suspended, and at the moment, the cotton cloth pads or the bed sheets can be simply laid or replaced between the waterproof net pad 2 and the movable bed board 4. Support the disease through waterproof net pad and can regularly hang from the mattress and avoid pressing the sore outside, the movable bed board of collocation in addition is opened and is gone up and down, and then opens inflatable bathtub or portable closestool simultaneously and provide the light function like bathing or like the lavatory of disease.

It can be seen from the above description that the inventor of the present invention especially attaches importance to the patients lying in bed for a long time, and the disadvantages of the most comfortable and ergonomic lying effect when lying in a general bed, and the difficult turning over and movement to clean the body comprehensively can not be achieved, and the application of the movable plate combined bed body structure of the present invention not only satisfies the above disadvantages of the patients, but also greatly reduces the burden of the caretakers or family members; most importantly, all actions are completed in the bed, the patient does not need to be moved or taken out of the bed, and the operation is very convenient.

The above description is only for the purpose of illustrating preferred and practical embodiments of the present invention, and therefore, all structural changes that may be made in the present invention by applying the present invention to the specification and claims should be considered as being included in the scope of the present invention.

Claims

1. A movable plate combined bed body structure is characterized by comprising:

a bedstead, which consists of a bedside part, a bed tail part and brackets at two opposite sides;

a waterproof net pad which is arranged between the head part and the tail part of the bed and has the states of tightening, loosening and vertically falling;

a group of movable bed boards which are respectively pivoted on the brackets at the two opposite sides of the bed frame, the movable bed boards can do the opening and closing actions, and the surface of the movable bed board is provided with a plurality of independent balls which can be inflated and deflated;

the support rods are respectively arranged on the brackets in a spanning manner; and

the transmission mechanism comprises a first pulley block, a second pulley block, a first chain wheel device, a second chain wheel device, a linkage gear and a reduction motor, wherein all pulleys of the first pulley block and the second pulley block are respectively wound by wires, the wires penetrate through the support rods, the first chain wheel device and the second chain wheel device penetrate through the supports, and the reduction motor is linked with the first pulley block, the second pulley block, the first chain wheel device, the second chain wheel device and the linkage gear;

wherein, the first chain wheel device comprises a first linkage gear, a first movable bed board gear and a first chain; the second chain wheel device comprises a second linkage gear, a second movable bed plate gear and a second chain; the linkage gear is coaxial with the first linkage gear, the second linkage gear is meshed with the first linkage gear for transmission, and the first movable bed board gear and the second movable bed board gear are fixed on the brackets at two opposite sides of the bed frame in a penetrating manner.

2. The moving plate assembled bed structure as claimed in claim 1, wherein the plurality of support rods are disposed across the plurality of supports in a uniformly spaced manner.

3. The movable plate assembled bed structure as claimed in claim 1, further comprising an operation panel disposed on the rear surface of the bed.

4. A movable plate combination bed structure as claimed in claim 1, wherein the transmission mechanism further comprises: an upper linkage rod and a lower linkage rod; the upper linkage rod is wound with the waterproof net pad; two ends of the upper and lower linkage rods are respectively provided with a gear and a chain sleeved on the gear; the gears at the two ends of the upper linkage rod are provided with electromagnetic valve fixing bolts; the lower coupling rod is also provided with a driven gear, a section thread area and a sliding block assembly; the sliding block assembly is provided with a tooth row meshed with the thread cutting area so that the sliding block assembly can move on the lower interlocking rod, and a fixed bolt is used for limiting the rotation of the gear on the end part of the lower interlocking rod close to the fixed bolt; the speed reducing motor is provided with a first fluted disc and a second fluted disc which can be selectively linked; the first fluted disc is meshed with the driven gear to control the rotation of the lower linkage rod, and the upper linkage rod synchronously rotates by means of the traction of the chain.

5. The movable plate combination bed structure as claimed in claim 1, wherein the first pulley block and the second pulley block are symmetrically disposed; the first pulley block is provided with a first gear, a first pulley, a first inner pulley, a first outer pulley and a first fixed pulley which are coaxially arranged; the second pulley block is provided with a second gear, a second pulley, a second inner pulley, a second outer pulley and a second fixed pulley which are coaxially arranged; the first pulley block and the second pulley block are respectively wound with the corresponding wires respectively to form a first pulley, a first inner pulley, a first outer pulley, a first fixed pulley, a second inner pulley, a second outer pulley and a second fixed pulley, one ends of the two wires are positioned on a supporting rod on one side in a plurality of parallel supporting rods crossing the brackets on two opposite sides, and the other ends of the two wires are positioned on the supporting rod on one side in a penetrating manner.

6. The movable board assembled bed structure as claimed in claim 1, further comprising an inflatable bathtub disposed under the bed frame, wherein the inflatable bathtub is inflated to form a bathing space with a cushion at the bottom and a surrounding wall.

7. The moving plate assembled bed structure as claimed in claim 6, further comprising a gas source, wherein the gas source is a pressure cylinder or an air compressor.

8. A moving plate combination bed structure as claimed in claim 6, wherein the inflatable bathtub is replaced by a movable bed pan.

9. The movable board assembly bed structure as claimed in claim 1, wherein the set of movable boards is installed on any one of the two opposite side frames of the bed frame by using a single movable board instead of two movable boards pivotally installed on the two opposite side frames of the bed frame to form a single side swing-open-close type movable board.