Self-adaptive pressure relieving multifunctional bed for old people

Abstract

The invention provides a self-adaptive pressure relieving multifunctional bed for old people, and belongs to the field of multifunctional beds, the self-adaptive pressure relieving multifunctional bed comprises a plurality of vertical frames and a plurality of supporting beams, the vertical frames are fixedly connected with the supporting beams, the tops of the supporting beams are fixedly connected with a plurality of side plates, and the tops of the supporting beams are provided with a movable shell and a fixed shell; the self-adaptive pressure assembly is arranged on the inner sides of the movable shell and the fixed shell, and the self-adaptive pressure assembly is used for relieving local pressure borne by the body; the adjusting assembly is located at the bottom of the movable shell and the bottom of the fixed shell, and the adjusting assembly is used for adjusting the angle of the movable shell; the guardrail assemblies are located on the two sides of the movable shell, and the guardrail assemblies are used for preventing a bed user from having the falling risk. According to the invention, the pressure of the layer pad on the protruding position of the body of a user is reduced, so that the pressure is dispersed to other positions, and the problem of pressure sores caused by long-term large pressure on the protruding position of the body is prevented.

Description

Technical Field

[0001] The present invention relates to the field of multifunctional bedding, and more specifically, to a multifunctional bedding for the elderly with self - adaptive pressure relief. Background Art

[0002] As an important product in the modern elderly care field, multifunctional bedding brings great convenience to the elderly who have difficulty moving and are bedridden for a long time. Such bedding usually integrates a variety of practical functions, such as the ability to adjust the height of the bed body, the angles of the backrest and legs, to meet the different postural needs of the elderly for sitting up, lying down, raising legs, etc., facilitating the elderly's daily rest, dining, reading or receiving nursing operations.

[0003] Among the multifunctional bedding available in today's market, although it shows certain convenience in aspects such as adjusting height and angle to assist the elderly in getting up and resting, most lack the crucial pressure relief function. Elderly people who are bedridden for a long time have their bodies in contact with the bed surface for a long time, and their body weight is concentrated on certain specific parts, such as the sacrococcygeal region and the hip region. These parts continuously bear heavy pressure, and blood circulation is extremely likely to be blocked. Most of the existing multifunctional bedding, due to its material and structural design not fully considering pressure dispersion and unable to dynamically adjust according to the body curve of the elderly and the force conditions of different parts, cause the local skin and subcutaneous tissues of the elderly to be in a high - pressure state during long - term lying, making it difficult to obtain sufficient blood and nutrient supply, thus greatly increasing the risk of pressure ulcers and seriously threatening the health and quality of life of the long - term bedridden elderly.

[0004] How to invent a multifunctional bedding for the elderly with self - adaptive pressure relief to improve these problems has become an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0005] To make up for the above deficiencies, the present invention provides a multifunctional bedding for the elderly with self - adaptive pressure relief, aiming to improve the problems mentioned in the above background.

[0006] The present invention is implemented as follows:

[0007] The present invention provides a multi-functional bed for the elderly with adaptive pressure relief, comprising a plurality of vertical frames and a plurality of support beams. The vertical frames are fixedly connected to the support beams. A plurality of side plates are fixedly connected to the top of the support beams. A protective cover is fixedly connected to the outer side wall of the side plates. A movable housing and a fixed housing are arranged on the top of the support beams. A baffle is fixedly connected to the outer side wall of the movable housing. The invention further includes: an adaptive pressure component arranged inside the movable housing and the fixed housing for relieving the local pressure on the body; an adjustment component located at the bottom of the movable housing and the fixed housing for adjusting the angle of the movable housing; and a guardrail component located on both sides of the movable housing for preventing the user of the bed from falling.

[0008] Preferably, the adaptive pressure component includes a plurality of stable seats and a plurality of first motors fixedly connected to the inner side wall of the bottom of the movable housing. The stable seats are arranged in a square tube shape. The first motors are located inside the stable seats. The output end of the first motor is fixedly connected to a first threaded sleeve. A first threaded rod is arranged inside the first threaded sleeve. The first threaded rod is hollow. The first threaded rod is in threaded fit with the first threaded sleeve. The top of the first threaded rod is fixedly connected to a support plate. The support plate is slidably connected to the inner side wall of the stable seat. A return spring is fixedly connected to the top of the support plate. The top of the return spring is fixedly connected to a movable plate. A layer pad is arranged on the top of the movable plate. A movable ball is rotatably connected to the bottom of the movable plate. The bottom of the movable ball is fixedly connected to a resistance rod. The resistance rod is made of nickel-chromium alloy. The resistance rod penetrates through the support plate. The bottom end of the resistance rod is located inside the first threaded rod. A plurality of tension springs are arranged between the plurality of movable plates. Adjacent movable plates are elastically connected by the tension springs.

[0009] Preferably, a controller is fixedly connected to the inner side wall of the bottom of the fixed housing. The plurality of first motors are electrically connected to the controller. A load-bearing plate is fixedly connected to the inner side wall of the fixed housing.

[0010] Preferably, a plurality of return springs and movable plates are arranged on the load-bearing plate.

[0011] Preferably, a first connection block is fixedly arranged on the outer side wall of the top of the resistance rod. The support plate is fixedly connected to a compression spring. The end of the compression spring is fixedly connected to a second connection block. The second connection block is slidably arranged on the outer side wall of the resistance rod. The first connection block and the second connection block are electrically connected to the controller.

[0012] Preferably, the adjusting component includes a group of support frames fixedly connected to the bottom of the fixed housing. A rotating plate is rotatably connected to the support frames. A second motor is fixedly connected to the outer side wall of the rotating plate. The output shaft of the second motor is fixedly connected to a second threaded sleeve. The second threaded sleeve is threadedly engaged with a second threaded rod. The second threaded rod is located inside the second threaded sleeve. The end of the second threaded rod is fixedly connected to a support rod. Fixed sleeves are fixedly connected to both ends of the support rod. A plurality of push frames are fixedly connected to the bottom of the movable housing.

[0013] Preferably, the end of the push frame away from the movable housing is rotatably connected to the fixed sleeve.

[0014] Preferably, movable frames are fixedly connected to both side walls of the movable housing. Fixed frames are fixedly connected to both side walls of the fixed housing. A rotating shaft is provided at the end of the fixed frame. The movable frame and the fixed frame are rotatably connected through the rotating shaft.

[0015] Preferably, the guardrail component includes a first sliding sleeve fixedly connected to the outer side wall of the vertical frame. A second sliding sleeve is fixedly connected to the outer side wall of the fixed frame. A guardrail is provided between the first sliding sleeve and the second sliding sleeve. A first rack is fixedly connected to the bottom of the movable frame. The first rack is arc-shaped. A gear is rotatably connected to the outer side wall of the side plate. A second rack is provided on the guardrail.

[0016] Preferably, the second rack is meshed with the gear, and the first rack is meshed with the gear.

[0017] The beneficial effects of the present invention are as follows: Through the pressure exerted by the protruding parts of the elderly's body on the layer pad and the movable plate, the resistance value between the first connecting block and the second connecting block decreases, increasing the distance between the support plate and the movable plate, thereby reducing the pressure on the protruding positions of the user's body by the layer pad, dispersing the pressure to other positions, and preventing the problem of pressure sores caused by long-term large pressure on the protruding positions of the human body.

[0018] By starting the second motor, the second threaded rod drives the push frame to move through the support rod, driving the movable housing to rotate on the rotating shaft, and pushing the upper body of the elderly on the bed to lift, so that the elderly can sit up without the help of others. At the same time, the first rack also drives the guardrail to move downward through the meshing of the gear and the second rack, so that the elderly are no longer blocked by the guardrail when leaving the bed, improving the convenience of the elderly leaving the bed. Description of the Drawings

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a three-dimensional structure schematic diagram of a multifunctional bed for the elderly with adaptive pressure relief provided by an embodiment of the present invention;

[0021] Figure 2 It is a schematic diagram of the internal structure of the mobile housing of a multifunctional bed for the elderly with adaptive pressure relief provided by an embodiment of the present invention;

[0022] Figure 3 is Figure 2 The enlarged view of part A in

[0023] Figure 4 It is a schematic diagram of the movable plate structure of a multifunctional bed for the elderly with adaptive pressure relief provided by an embodiment of the present invention;

[0024] Figure 5 is Figure 4 The enlarged view of part B in

[0025] Figure 6 is Figure 5 The enlarged view of part C in

[0026] Figure 7 It is a schematic diagram of the push frame structure of a multifunctional bed for the elderly with adaptive pressure relief provided by an embodiment of the present invention;

[0027] Figure 8 is Figure 7 The enlarged view of part D in

[0028] Figure 9 It is a schematic diagram of the guardrail structure of a multifunctional bed for the elderly with adaptive pressure relief provided by an embodiment of the present invention;

[0029] Figure 10 is Figure 9 The enlarged view of part E in

[0030] In the figure: 1, vertical frame; 2, support beam; 3, side plate; 4, protective cover; 5, moving housing; 6, baffle; 7, fixed housing; 8, first motor; 9, first threaded sleeve; 10, first threaded rod; 11, support plate; 12, return spring; 13, movable plate; 14, cushion; 15, movable ball; 16, resistance rod; 18, tension spring; 20, first connecting block; 21, second connecting block; 22, compression spring; 31, support frame; 32, rotating plate; 33, second motor; 34, second threaded sleeve; 35, second threaded rod; 36, support rod; 37, fixed sleeve; 38, pushing frame; 39, moving frame; 40, fixed frame; 41, rotating shaft; 42, first sliding sleeve; 43, second sliding sleeve; 44, guardrail; 45, gear; 46, first rack; 47, second rack; 501, stable seat; 701, controller; 702, load-bearing plate. Specific embodiments

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] Example, referring to Figures 1 - 6 , an adaptive pressure-relieving multi-functional bed for the elderly, includes a plurality of vertical frames 1 and a plurality of support beams 2. The vertical frames 1 are fixedly connected to the support beams 2. A plurality of side plates 3 are fixedly connected to the top of the support beams 2. A protective cover 4 is fixedly connected to the outer sidewall of the side plates 3. A moving housing 5 and a fixed housing 7 are arranged on the top of the support beams 2. A baffle 6 is fixedly connected to the outer sidewall of the moving housing 5. It further includes: an adaptive pressure component, which is arranged inside the moving housing 5 and the fixed housing 7 and is used to relieve the local pressure on the body; an adjustment component, which is located at the bottom of the moving housing 5 and the fixed housing 7 and is used to adjust the angle of the moving housing 5; a guardrail component, which is located on both sides of the moving housing 5 and is used to prevent the user of this bed from falling.

[0033] The adaptive pressure assembly includes a plurality of stable seats 501 fixedly connected to the inner side wall of the bottom of the moving housing 5 and a plurality of first motors 8. The stable seats 501 are arranged in a square tube shape. The first motors 8 are located inside the stable seats 501. The output end of the first motor 8 is fixedly connected with a first threaded sleeve 9. A first threaded rod 10 is arranged inside the first threaded sleeve 9. The first threaded rod 10 is hollow. The first threaded rod 10 is connected with the first threaded sleeve 9 through thread fit. The top of the first threaded rod 10 is fixedly connected with a support plate 11. The support plate 11 is slidably connected with the inner side wall of the stable seat 501. The top of the support plate 11 is fixedly connected with a return spring 12. The top of the return spring 12 is fixedly connected with a movable plate 13. A layer pad 14 is arranged on the top of the movable plate 13. The bottom of the movable plate 13 is rotatably connected with a movable ball 15. The bottom of the movable ball 15 is fixedly connected with a resistance rod 16. The resistance rod 16 is made of nickel-chromium alloy. The resistance rod 16 passes through the support plate 11. The bottom end of the resistance rod 16 is located inside the first threaded rod 10. A plurality of tension springs 18 are arranged between the plurality of movable plates 13. Adjacent movable plates 13 are elastically connected by the tension springs 18.

[0034] The inner side wall of the bottom of the fixed housing 7 is fixedly connected with a controller 701. The plurality of first motors 8 are electrically connected with the controller 701. The inner side wall of the fixed housing 7 is fixedly connected with a load-bearing plate 702. A plurality of return springs 12 and movable plates 13 are arranged on the load-bearing plate 702. A first connection block 20 is fixedly arranged on the outer side wall of the top of the resistance rod 16. The support plate 11 is fixedly connected with a compression spring 22. The end of the compression spring 22 is fixedly connected with a second connection block 21. The second connection block 21 is slidably arranged on the outer side wall of the resistance rod 16. The first connection block 20 and the second connection block 21 are electrically connected with the controller 701.

[0035] It should be noted that when an elderly person who needs to lie down for a long time lies on the upper surface of the mattress 14 of this bed, due to the protruding parts on the back of the body, such as the sacrococcygeal region and the hip, the contact area between these protruding positions and the mattress 14 is relatively small, and the pressure exerted by these protruding parts on the mattress 14 is greater than the pressure at the positions where other parts of the body are in contact with the mattress 14. When this pressure causes the mattress 14 to deform downward, the mattress 14 squeezes the movable plate 13 downward, the movable plate 13 squeezes the return spring 12, and the return spring 12 is supported by the support plate 11 and generates a compressive deformation. During this process, since the resistance rod 16 is also subjected to the pressure from the movable plate 13, a relative displacement occurs between the positions of the movable plate 13 and the second connecting block 21, causing the positions of the first connecting block 20 and the second connecting block 21 to approach, resulting in a decrease in the resistance value between the first connecting block 20 and the second connecting block 21. The controller 701 detects this decrease in the resistance value and controls the rotation of the output end of the first motor 8, driving the first threaded sleeve 9 to rotate. The rotation of the first threaded sleeve 9 drives the first threaded rod 10 to move downward through thread engagement, driving the support plate 11 to move downward, increasing the distance between the support plate 11 and the movable plate 13, reducing the reaction force of the return spring 12 on the movable plate 13. The movable plate 13 moves downward with the support plate 11, forming a downward depression at the position of the mattress 14, increasing the contact area between the surrounding of the body's protruding position and the mattress 14, thereby reducing the pressure of the mattress 14 on the protruding position of the user's body, dispersing this pressure to other positions, and preventing the problem of pressure sores caused by the long-term large pressure on the protruding position of the human body. Existing mattresses that only use spring buffering can form a sunken area, but the sunken area is squeezed by the protruding position of the human body, and the pressure always remains at a relatively high level. In the above process, the protruding position of the human body exerts pressure on the movable plate 13, and driven by the first motor 8, the movable plate 13 is actively moved downward, causing the mattress 14 to form a sunken area and actively relieving the pressure of the mattress 14 on the protruding position of the human body.

[0036] It should be noted that when the movable plate 13 is pressed and moves downward, the movable plate 13 also drives a plurality of movable plates 13 adjacent to it to move downward through the tension spring 18, and also reduces the reaction force of the adjacent movable plates 13 on the mattress 14, making the pressure of the movable plate 13 and its adjacent movable plates 13 on the mattress 14 in a relatively balanced state and making the pressure distribution more uniform.

[0037] The control principle of the controller 701 is: by comparing the resistance values transmitted by multiple resistance rods 16, when the resistance values at certain positions are small, the distance between the support plate 11 and the movable plate 13 is increased, and the resistance rods 16 with smaller resistance values are controlled to increase their resistance values, maintaining a state with a small error from the resistance values of other compressed resistance rods 16, thereby realizing the function of the bed to adapt to pressure.

[0038] Refer to Figures 7 - 8, the adjusting assembly includes a set of support frames 31 fixedly connected to the bottom of the fixed housing 7. A rotating plate 32 is rotatably connected to the support frames 31. A second motor 33 is fixedly connected to the outer side wall of the rotating plate 32. The output shaft of the second motor 33 is fixedly connected to a second threaded sleeve 34. The second threaded sleeve 34 is threadedly engaged with a second threaded rod 35. The second threaded rod 35 is located inside the second threaded sleeve 34. The end of the second threaded rod 35 is fixedly connected to a support rod 36. Both ends of the support rod 36 are fixedly connected to fixed sleeves 37. A plurality of push frames 38 are fixedly connected to the bottom of the moving housing 5. The end of the push frame 38 away from the moving housing 5 is rotatably connected to the fixed sleeve 37. Moving frames 39 are fixedly connected to both side walls of the moving housing 5. Fixed frames 40 are fixedly connected to both side walls of the fixed housing 7. A rotating shaft 41 is provided at the end of the fixed frame 40. The moving frame 39 and the fixed frame 40 are rotatably connected through the rotating shaft 41.

[0039] Referring to Figures 7 - 10 , the guardrail assembly includes a first sliding sleeve 42 fixedly connected to the outer side wall of the vertical frame 1. A second sliding sleeve 43 is fixedly connected to the outer side wall of the fixed frame 40. A guardrail 44 is provided between the first sliding sleeve 42 and the second sliding sleeve 43. A first rack 46 is fixedly connected to the bottom of the moving frame 39. The first rack 46 is arranged in an arc shape. A gear 45 is rotatably connected to the outer side wall of the side plate 3. A second rack 47 is provided on the guardrail 44. The second rack 47 is meshed with the gear 45. The first rack 46 is meshed with the gear 45.

[0040] It should be noted that by starting the second motor 33, the second threaded sleeve 34 is driven to rotate, causing the second threaded rod 35 threadedly engaged with the second threaded sleeve 34 to move outward from the second threaded sleeve 34, driving the support rod 36 to move away from the second threaded sleeve 34. The support rod 36 pushes the push frame 38 to move through the fixed sleeve 37, driving the moving housing 5 to rotate on the rotating shaft 41, pushing up the upper body of the elderly on the bed, enabling the elderly to sit up without the help of others. At the same time, the first rack 46 on the moving frame 39 drives the gear 45 to rotate. The gear 45 drives the guardrail 44 to move downward through the engagement with the second rack 47, so that the elderly are no longer blocked by the guardrail 44 when leaving the bed, improving the convenience for the elderly to leave the bed.

[0041] In this embodiment, when an elderly person who needs to lie down for a long time lies on the upper surface of the mattress 14 of this bed, the protruding parts of the body squeeze the mattress 14 and the movable plate 13, driving the resistance rod 16 to move downward, reducing the resistance value between the first connecting block 20 and the second connecting block 21. After the controller 701 detects this reduction in the resistance value, it controls the first motor 8 to drive the first threaded sleeve 9 to rotate. Driven by the first threaded rod 10, the distance between the support plate 11 and the movable plate 13 is increased, reducing the reaction force of the return spring 12 on the movable plate 13, thereby reducing the pressure on the protruding positions of the user's body by the mattress 14, dispersing this pressure to other positions, and preventing the problem of pressure sores caused by the long-term large pressure on the protruding positions of the human body.

[0042] When the elderly person using this bed needs to go out, the second motor 33 is started. By rotating the second threaded sleeve 34, the second threaded rod 35 drives the push frame 38 to move through the support rod 36, driving the movable housing 5 to rotate on the rotating shaft 41, pushing up the upper body of the elderly person on this bed, enabling the elderly person to sit up without the help of others. At the same time, the first rack 46 also drives the guardrail 44 to move downward through the meshing of the gear 45 and the second rack 47, so that the elderly person is no longer blocked by the guardrail 44 when leaving this bed, improving the convenience for the elderly person to leave this bed.

[0043] It should be noted that the specific model specifications of the motor need to be selected and determined according to the actual specifications of this device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be elaborated in detail.

[0044] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An adaptive pressure relief multifunctional bed for the elderly, comprising a plurality of vertical frames (1) and a plurality of support beams (2), the vertical frames (1) being fixedly connected to the support beams (2), a plurality of side plates (3) being fixedly connected to the top of the support beams (2), a protective cover (4) being fixedly connected to the outer side wall of the side plates (3), a moving housing (5) and a fixed housing (7) being arranged on the top of the support beams (2), a baffle (6) being fixedly connected to the outer side wall of the moving housing (5), characterized in that, It further includes: An adaptive pressure component, which is arranged inside the movable housing (5) and the fixed housing (7), and is used to relieve the local pressure exerted on the body; An adjustment component, which is located at the bottom of the movable housing (5) and the fixed housing (7), and is used to adjust the angle of the movable housing (5); A guardrail component, which is located on both sides of the movable housing (5), and is used to prevent the user of the bedding from falling.

2. The multifunctional bed for the elderly with adaptive pressure relief according to claim 1, wherein The adaptive pressure component includes a plurality of stable seats (501) fixedly connected to the inner bottom wall of the movable housing (5) and a plurality of first motors (8). The stable seats (501) are arranged in a square tube shape. The first motors (8) are located inside the stable seats (501). The output end of the first motor (8) is fixedly connected to a first threaded sleeve (9). A first threaded rod (10) is arranged inside the first threaded sleeve (9). The first threaded rod (10) is hollow. The first threaded rod (10) is threadedly connected to the first threaded sleeve (9). The top of the first threaded rod (10) is fixedly connected to a support plate (11). The support plate (11) is slidably connected to the inner wall of the stable seat (501). The top of the support plate (11) is fixedly connected to a return spring (12). The top of the return spring (12) is fixedly connected to a movable plate (13). A layer pad (14) is arranged on the top of the movable plate (13). The bottom of the movable plate (13) is rotatably connected to a movable ball (15). The bottom of the movable ball (15) is fixedly connected to a resistance rod (16). The resistance rod (16) is made of nickel-chromium alloy. The resistance rod (16) passes through the support plate (11). The bottom end of the resistance rod (16) is located inside the first threaded rod (10). A plurality of tension springs (18) are arranged between the plurality of movable plates (13). Adjacent movable plates (13) are elastically connected by the tension springs (18).

3. The multifunctional bed for the elderly with adaptive pressure relief according to claim 2, characterized in that, A controller (701) is fixedly connected to the inner bottom wall of the fixed housing (7). The plurality of first motors (8) are electrically connected to the controller (701). A load-bearing plate (702) is fixedly connected to the inner wall of the fixed housing (7).

4. The multifunctional bed for the elderly with adaptive pressure relief according to claim 3, characterized in that, A plurality of return springs (12) and movable plates (13) are arranged on the load-bearing plate (702).

5. The multifunctional bed for the elderly with adaptive pressure relief according to claim 2, characterized in that, A first connection block (20) is fixedly arranged on the outer side wall of the top of the resistance rod (16). The support plate (11) is fixedly connected to a compression spring (22). The end of the compression spring (22) is fixedly connected to a second connection block (21). The second connection block (21) is slidably arranged on the outer side wall of the resistance rod (16). The first connection block (20) and the second connection block (21) are electrically connected to the controller (701).

6. The multifunctional bed for the elderly with adaptive pressure relief according to claim 1, wherein The adjusting assembly includes a set of support frames (31) fixedly connected to the bottom of the fixed housing (7). A rotating plate (32) is rotatably connected to the support frames (31). A second motor (33) is fixedly connected to the outer side wall of the rotating plate (32). The output shaft of the second motor (33) is fixedly connected to a second threaded sleeve (34). The second threaded sleeve (34) is in threaded engagement with a second threaded rod (35). The second threaded rod (35) is located inside the second threaded sleeve (34). The end of the second threaded rod (35) is fixedly connected to a support rod (36). Fixing sleeves (37) are fixedly connected to both ends of the support rod (36). A plurality of push frames (38) are fixedly connected to the bottom of the moving housing (5).

7. The multifunctional bed for the elderly with adaptive pressure relief according to claim 6, wherein, The end of the push frame (38) away from the moving housing (5) is rotatably connected to the fixing sleeve (37).

8. The multifunctional bed for the elderly with adaptive pressure relief according to claim 1, characterized in that, Moving frames (39) are fixedly connected to both side walls of the moving housing (5). Fixing frames (40) are fixedly connected to both side walls of the fixed housing (7). A rotating shaft (41) is provided at the end of the fixing frame (40). The moving frame (39) and the fixing frame (40) are rotatably connected through the rotating shaft (41).

9. An adaptive pressure-relieving multifunctional bed for the elderly according to claim 8, characterized in that, The guardrail assembly includes a first sliding sleeve (42) fixedly connected to the outer side wall of the vertical frame (1). A second sliding sleeve (43) is fixedly connected to the outer side wall of the fixing frame (40). A guardrail (44) is provided between the first sliding sleeve (42) and the second sliding sleeve (43). A first rack (46) is fixedly connected to the bottom of the moving frame (39). The first rack (46) is arranged in an arc shape. A gear (45) is rotatably connected to the outer side wall of the side plate (3). A second rack (47) is provided on the guardrail (44).

10. The multifunctional bed for the elderly with adaptive pressure relief according to claim 9, characterized in that, The second rack (47) is meshed with the gear (45). The first rack (46) is meshed with the gear (45).

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