Bedsore-preventing rehabilitation bed

Abstract

The invention discloses an anti-bedsore rehabilitation bed, which is characterized in that a back supporting unit, a hip supporting unit and a shank supporting unit are respectively arranged on a bed body, so that skins at the shoulders, the spine, the hip, the sacrococcygeal region and the heels of a human body are separated from a bed surface or have a separation trend, and the pressure on the skins at the corresponding parts is reduced; the bed board is divided into a back bed board section, a hip bed board section, a thigh bed board section and a shank bed board section in the longitudinal direction, and the bed surface can fluctuate in various postures through cooperation of all the driving mechanisms; the jacking units are respectively mounted on the corresponding bed board sections, so that the jacking units can turn over along with the bed board sections and play a jacking role; the bedsore-preventing rehabilitation bed has the advantages that the bedsore-preventing rehabilitation bed combines prone position adjustment and ejection supporting, the flexibility, the application range and the practicability of the bedsore-preventing rehabilitation bed are improved, the bedsore-preventing effect of the bedsore-preventing rehabilitation bed is comprehensive, the use requirements can be well met, the bedsore-preventing rehabilitation bed can replace nursing personnel to assist patients in body position exchange, and the labor burden and the bedsore forming probability can be reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of anti-bedsore devices in medicine, and in particular relates to an anti-bedsore rehabilitation bed. Background Art

[0002] Bedsores, also known as pressure sores or pressure ulcers, are ischemic necrosis and ulceration caused by long-term compression of human skin tissue. They are common in patients who have been bedridden for a long time due to paralysis or surgery. Therefore, when lying or sitting for a long time, you should change your body position (i.e. change the direction or posture of your body) in time to avoid long-term pressure on the local skin and the formation of bedsores; people will change their body position unconsciously when they are awake and asleep, but bedridden patients due to paralysis and surgery generally find it difficult to change their body position independently and need caregivers to assist in changing their body position every 1-2 hours. Frequent changes of body position not only put a heavy burden on the physical strength of the caregivers, but are also prone to cause harm to the patient due to errors in auxiliary operations or improper auxiliary operations.

[0003] At present, there are also nursing mattresses and beds that are used to replace caregivers to assist patients in changing body positions at regular intervals, such as an inflatable mattress for preventing bedsores disclosed in Chinese patent CN00215633.4, and a binary matrix airbag mattress for preventing bedsores disclosed in Chinese patent CN201921173110.2. Both solutions are based on the arrangement of airbags on the mattress, and the inflation and deflation of the airbags change the supporting effect on the local skin, so that part of the skin that is prone to bedsores nearby is detached from the bed surface or tends to be detached, so as to reduce the pressure on this part of the skin, thereby reducing the chance of bedsores. However, since the area under pressure of the airbag is prone to collapse and the local lifting ability is poor, it is difficult to effectively relieve the pressure on part of the skin and detach it from the bed surface, and the effect of preventing and treating bedsores is poor. In addition, the lifting achieved by inflating the airbags is also relatively slow. There is also a medical bed for preventing and treating bedsores, such as disclosed in Chinese patent CN201810410777.3. In this solution, two sets of supporting mechanisms are respectively provided at the upper, middle and lower positions of the back of the human body on the bed base under the mattress. The corresponding parts of the human body are lifted up by the supporting mechanisms and the pressure on the skin of the spine is reduced to reduce the probability of bedsores. However, in this solution, the supporting mechanism only acts on the back of the human body, mainly to make the spine separate from the bed surface, and bedsores are more common in parts where bones protrude. They will not only form at the protuberance of the spine, but also easily form at the shoulder blade, hip, sacrum and heel. Therefore, the effect of preventing and treating bedsores in this solution is single, and it is difficult to effectively replace the caregiver to assist the patient in changing body positions, and it is difficult to meet the use requirements. Secondly, since the supporting mechanism is fixed on the bed base, the supporting mechanism only works when lying flat, and some patients may not lie flat in bed most of the time due to the surgical position or personal habits during recuperation. Therefore, the scope of application of this solution is narrow and the practicality is poor. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide an anti-bedsore rehabilitation bed to solve the technical problem that the existing anti-bedsore mattresses and beds are difficult to meet the usage requirements due to their single anti-bedsore effect, thereby achieving the effect of reducing the labor burden and improving the anti-bedsore performance.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: An anti-bedsore rehabilitation bed comprises a bed body, wherein three supporting units are arranged at intervals along the longitudinal direction of the bed body, and the supporting units comprise a supporting part and a driving part for driving the supporting part to protrude upward from the bed surface; the three supporting units are respectively a back supporting unit, a buttocks supporting unit and a calf supporting unit, wherein the supporting part of the back supporting unit is used to support the back of a human body in place of the bed surface, so as to reduce the pressure on the skin of the spine and scapula when the human body protrudes from the bed surface, the supporting part of the buttocks supporting unit is used to support the buttocks of a human body in place of the bed surface, so as to reduce the pressure on the skin of the sacrum and coccyx when the human body protrudes from the bed surface, and the supporting part of the calf supporting unit is used to support the calf of a human body in place of the bed surface, so as to reduce the pressure on the skin of the heel when the human body protrudes from the bed surface.

[0006] Furthermore, the bed frame includes a bed base and a bed board movably arranged on the bed base, the top support unit is installed on the bed board, and the upper surface of the bed board forms the bed surface; the bed board is divided into a plurality of bed board sections along the longitudinal direction, and the opposite ends of two adjacent bed board sections are rotatably connected by a laterally arranged rotating shaft, and a driving mechanism for driving the bed board sections to rotate relative to each other is provided on the bed base, so as to adjust the bed surface to rise and fall in various postures.

[0007] Furthermore, the bed body includes a bed base and a bed board placed on the bed base, and the upper surface of the bed board forms the bed surface; the bed board is divided into a back bed board section, a buttocks bed board section, a thigh bed board section and a calf bed board section along the longitudinal direction, and the opposite ends of two adjacent bed board sections are rotatably connected by a laterally arranged rotating shaft; the bed base is provided with a back driving mechanism for driving the back bed board section to rotate relative to the buttocks bed board section, the bed base is provided with a thigh driving mechanism for driving the thigh bed board section to rotate relative to the buttocks bed board section, and the bed base is provided with a calf driving mechanism for driving the calf bed board section to rotate relative to the thigh bed board section; the back top support unit is installed on the back bed board section, the buttocks top support unit is installed on the buttocks bed board section, and the calf top support unit is installed on the calf bed board section.

[0008] Furthermore, each top support unit is respectively installed on the bed board section with the corresponding position, and the support part includes two support plates that are spaced apart and symmetrically distributed in the transverse direction, and the two support plates are close to the transverse middle part of the bed board section, and the support plates are located in the corresponding grooves or notches on the bed board section; the driving part includes two driving members and corresponds one by one to the two support plates of the corresponding supporting part, and the driving member is installed on the lower surface of the bed board section, and the driving member has a driving end that is perpendicular to the bed board section and retractable, and the driving end moves through the bed board section and is connected to the lower surface of the corresponding support plate.

[0009] Furthermore, the support plates of the back supporting unit and the buttocks supporting unit are arranged longitudinally, and the support plate of the calf supporting unit is arranged transversely.

[0010] Furthermore, each bed board section is laterally divided into a laterally symmetrical left bed board section and a right bed board section, and the opposite ends of the left bed board section are rotatably connected by a longitudinally arranged rotating shaft. The bed base is provided with a right side flipping drive mechanism for driving all left bed board sections to flip upward, and the bed base is provided with a left side flipping drive mechanism for driving all right bed board sections to flip upward.

[0011] Furthermore, the bed base is a frame structure and includes a bed frame, in which longitudinal beams and transverse beams are connected, and the longitudinal beams are located in the transverse middle of the bed frame; the back driving mechanism includes a back driving shaft transversely arranged below the back bed board section, and both ends of the back driving shaft are respectively rotatably connected to the bed frame, and two back driving rods are vertically connected to the back driving shaft, and the free ends of the back driving rods are rotatably connected to the transversely arranged back driving rollers, and the two back driving rollers are one-to-one abutted against the left bed board section and the right bed board section of the back bed board section, and a back swing rod is vertically connected to the back driving shaft, and a back electric push rod is longitudinally arranged between the free end of the back swing rod and the bed frame, and both ends of the back electric push rod are respectively rotatably connected to the free end of the back swing rod and the bed frame through a transversely arranged rotating shaft; The thigh driving mechanism comprises a thigh driving rod arranged below the thigh bed board section, the middle part of the thigh driving rod is rotatably connected to the longitudinal beam through a transversely arranged rotating shaft, the upper end of the thigh driving rod is located above the longitudinal beam and is rotatably connected to a transversely arranged thigh driving roller, the thigh driving roller is respectively abutted against the left bed board section and the right bed board section of the thigh bed board section, the lower end of the thigh driving rod is located below the longitudinal beam and a thigh electric push rod is longitudinally arranged between the bed frame, and the two ends of the thigh electric push rod are respectively rotatably connected to the lower end of the thigh driving rod and the bed frame through a transversely arranged rotating shaft; The calf driving mechanism includes a calf driving rod arranged below the calf bed board section, the upper end of the calf driving rod is located above the longitudinal beam and is rotatably connected to a rotating shaft which rotatably connects the left bed board section and the right bed board section of the calf bed board section through a transversely arranged rotating shaft, the lower end of the calf driving rod is located below the longitudinal beam and is rotatably connected to a longitudinal slider through a transversely arranged rotating shaft, the longitudinal slider is slidably connected to the longitudinal beam and can slide in the longitudinal direction, a calf electric push rod is provided in the longitudinal direction between the longitudinal slider and the bed frame, and both ends of the calf electric push rod are respectively connected to the longitudinal slider and the bed frame.

[0012] Furthermore, the right side flipping drive mechanism includes a longitudinally arranged side flipping drive shaft, and both ends of the side flipping drive shaft are respectively rotatably connected to the bed frame, a side flipping drive rod is vertically connected to the side flipping drive shaft, and the free end of the side flipping drive rod is rotatably connected to the longitudinally arranged side flipping drive roller, and the side flipping drive roller is at least abutted against the left bed board section of the back bed board section, the buttocks bed board section and the thigh bed board section, and a side flipping rocker arm is vertically connected to the side flipping drive shaft, and a side flipping electric push rod is laterally arranged between the free end of the side flipping rocker arm and the bed frame, and both ends of the side flipping electric push rod are respectively rotatably connected to the free end of the side flipping rocker arm and the bed frame through a longitudinally arranged rotating shaft.

[0013] Furthermore, the anti-bedsore rehabilitation bed also includes a controller, which is electrically connected to the back electric push rod, thigh electric push rod, calf electric push rod, side-flip electric push rod and each driving component, and the controller is used to realize manual control and automatic control of the back electric push rod, thigh electric push rod, calf electric push rod, side-flip electric push rod and each driving component.

[0014] Furthermore, a plurality of support columns extending upward are provided at intervals on the upper edge of the bed base, and the support columns are used to support each bed board section to prevent pinching.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The anti-bedsore rehabilitation bed of the present invention aims at the situation that bedsores are easily formed on the skin of human shoulder blades, spine, hip, sacrum and heel. A back support unit, a buttocks support unit and a calf support unit are respectively arranged on the bed body, so as to make the skin of human shoulder blades, spine, hip, sacrum and heel detach from the bed surface or have a tendency to detach, thereby reducing the pressure on the skin of human shoulder blades, spine, hip, sacrum and heel. The anti-bedsore rehabilitation bed has a comprehensive anti-bedsore effect, can better meet the use requirements, can replace the caregiver to assist the patient in changing body positions, and is conducive to reducing the manual burden and the probability of bedsore formation.

[0016] 2. The anti-bedsore rehabilitation bed of the present invention divides the bed board into a back bed board section, a buttocks bed board section, a thigh bed board section and a calf bed board section along the longitudinal direction. The back driving mechanism, the thigh driving mechanism and the calf driving mechanism cooperate to make the bed surface rise and fall in various postures, which can not only assist the patient to complete various movements, but also provide effective support for patients in various bed postures, and has good flexibility; each supporting unit is respectively installed on the corresponding bed board section, so that the supporting unit can be turned over with the bed board section where it is located and play the role of supporting the corresponding part of the human body, combining the lying posture adjustment and the ejection support, which is conducive to improving the flexibility, scope of application and practicality of the anti-bedsore rehabilitation bed.

[0017] 3. The anti-bedsore rehabilitation bed of the present invention, on the basis of dividing the bed board into a plurality of bed board sections along the longitudinal direction, further divides each bed board section into a symmetrical left bed board section and a right bed board section along the transverse direction, and cooperates with a turning drive mechanism, thereby further improving the flexibility of use, scope of application and practicality of the anti-bedsore rehabilitation bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A is a three-dimensional diagram of the anti-bedsore rehabilitation bed described in Example 1; Figure 2 This is a front view of the anti-bedsore rehabilitation bed described in Example 1; Figure 3 A three-dimensional diagram B of the anti-bedsore rehabilitation bed described in Example 1; Figure 4 A three-dimensional diagram C of the anti-bedsore rehabilitation bed described in Example 1; Figure 5 It is a three-dimensional diagram of the top support unit described in Example 1; Figure 6 This is a three-dimensional diagram of the top support unit described in Example 1 with one side of the outer shell and the inner shell hidden; Figure 7 A three-dimensional diagram of the telescopic platform frame described in Example 2; Among them, the support part 1, the driving part 2, the bed base 3, the back bed board section 4, the buttocks bed board section 5, the thigh bed board section 6, the calf bed board section 7, the support plate 8, the driving part 9, the outer shell 10, the inner shell 11, the motor 12, the screw 13, the nut 14, the transmission seat 15, the connecting seat 16, the linear guide 17, the limit column 18, the limit switch 19, the bed frame 20, the longitudinal beam 21, the cross beam 22, the back drive shaft 23, the back drive rod 24, the back Driving roller 25, back swing rod 26, back electric push rod 27, thigh driving rod 28, thigh driving roller 29, thigh electric push rod 30, calf driving rod 31, longitudinal slider 32, calf electric push rod 33, rollover driving shaft 34, rollover driving rod 35, rollover driving roller 36, rollover swing rod 37, rollover electric push rod 38, support column 39, upper connecting block 40, lower connecting block 41, top support electric push rod 42, X-shaped telescopic frame 43. DETAILED DESCRIPTION

[0019] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution 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.

[0020] Embodiment 1: See also Figure 1A bed for preventing bedsores and recovering from decubitus ulcers comprises a bed body, three supporting units are arranged at intervals along the longitudinal direction of the bed body, the supporting unit comprises a supporting part 1 and a driving part 2 for driving the supporting part 1 to protrude upward from the bed surface; the three supporting units are respectively a back supporting unit, a buttocks supporting unit and a calf supporting unit, the supporting part 1 of the back supporting unit is used to support the back of a human body instead of the bed surface, and reduce the pressure on the skin of the spine and scapula when protruding from the bed surface, the supporting part 1 of the buttocks supporting unit is used to support the buttocks of a human body instead of the bed surface, and reduce the pressure on the skin of the sacrum and coccyx when protruding from the bed surface, the supporting part 1 of the calf supporting unit is used to support the calf of a human body instead of the bed surface, and reduce the pressure on the skin of the heel when protruding from the bed surface; the length direction of the bed body is longitudinal, the width direction is transverse, and the height direction is vertical.

[0021] The anti-bedsore rehabilitation bed of the present invention can support a part of the back of the human body except the spine and shoulder blades when the human body lies on the bed. When the back support unit is actuated and its driving part 2 drives its support part 1 to protrude upward from the bed surface, the skin of the spine and shoulder blades can be separated from the bed surface or have a tendency to separate, so as to reduce the pressure on the skin of the spine and shoulder blades, thereby reducing the possibility of bedsores forming on the skin there. The support part 1 of the buttocks support unit can support a part of the buttocks of the human body except the hip and sacrum. When the buttocks support unit is actuated, the support part 1 of the buttocks support unit can be driven by the driving part 2 to drive the support part 1 to protrude upward from the bed surface. , when its driving part 2 drives its supporting part 1 to protrude upward from the bed surface, the skin outside the hip and sacrum and coccyx can be separated from the bed surface or have a tendency to separate from the bed surface, so as to reduce the pressure on the skin outside the hip and sacrum and coccyx, thereby reducing the possibility of bedsores forming on the skin therein; the supporting part 1 of the calf supporting unit can support the calf of the human body, and when the calf supporting unit is in motion and its driving part 2 drives its supporting part 1 to protrude upward from the bed surface, the skin at the heel can be separated from the bed surface or have a tendency to separate from the bed surface, so as to reduce the pressure on the skin at the heel, thereby reducing the possibility of bedsores forming on the skin therein.

[0022] The anti-bedsore rehabilitation bed of the present invention aims at the situation that bedsores are easily formed on the skin of the human shoulder blades, spine, hip, sacrum and heel. A back support unit, a buttocks support unit and a calf support unit are respectively arranged on the bed body, so as to make the skin of the human shoulder blades, spine, hip, sacrum and heel detach from the bed surface or have a tendency to detach, thereby reducing the pressure on the skin of the human shoulder blades, spine, hip, sacrum and heel. The anti-bedsore rehabilitation bed has a comprehensive anti-bedsore effect, can better meet the use requirements, can replace caregivers to assist patients in changing body positions, and is beneficial to reducing manual burden and the probability of bedsores.

[0023] See also Figure 1 and Figure 2, the bed body includes a bed base 3 and a bed board placed on the bed base 3, the top support unit is installed on the bed board, and the upper surface of the bed board forms the bed surface; the bed board is divided into a plurality of bed board sections along the longitudinal direction, and the opposite ends of two adjacent bed board sections are rotatably connected by a laterally arranged rotating shaft, and the bed base 3 is provided with a driving mechanism for driving the bed board sections to rotate relative to each other and making the bed surface fluctuate in various postures; specifically: corresponding to the back, buttocks, thighs and calves of the human body, the bed board is divided into a back bed board section 4, a buttocks bed board section 5, a thigh bed board section 6 and a calf bed board section 7 along the longitudinal direction, the bed base 3 is provided with a back driving mechanism for driving the back bed board section 4 to rotate relative to the buttocks bed board section 5, the bed base 3 is provided with a thigh driving mechanism for driving the thigh bed board section 6 to rotate relative to the buttocks bed board section 5, and the bed base 3 is provided with a calf driving mechanism for driving the calf bed board section 7 to rotate relative to the thigh bed board section 6; the back top support unit is installed on the back bed board section 4, the buttocks top support unit is installed on the buttocks bed board section 5, and the calf top support unit is installed on the calf bed board section 7; In this way, Figure 1 and Figure 2 As shown, the back driving mechanism drives the back bed board section 4 to flip upward, which can not only assist the patient to complete the upper body standing up movement, but also provide a support effect with a certain inclination angle for the back; the thigh driving mechanism drives the thigh bed board section 6 to flip upward, and the calf driving mechanism drives the calf bed board section 7 to flip downward relative to the thigh bed board section 6, which can not only assist the patient to bend his knees to complete the lower body standing up movement, but also provide a support effect with a certain inclination angle for the thigh and calf; through the cooperation of the back driving mechanism, the thigh driving mechanism and the calf driving mechanism, the bed surface can be made to fluctuate in various postures, which can not only assist the patient to complete the standing up movement of the upper body, but also provide a support effect with a certain inclination angle for the thigh and calf. The patient can complete a variety of actions, and can provide effective support for patients in various bed postures, with good flexibility; in addition, each top support unit is respectively installed on the corresponding bed board section, so that the top support unit moves with the bed board section where it is located, and can not only play a role in the lying bed posture, but also when the patient's bed posture changes, it can also be pushed out perpendicular to the bed board section where it is located, so that part of the skin that is prone to bedsores can be separated from the bed surface to relieve the pressure and reduce the possibility of bedsores. The present invention combines lying posture adjustment and push-out support, which is conducive to improving the flexibility, scope of application and practicality of the anti-bedsore rehabilitation bed.

[0024] See also Figure 1 Each bed board section is divided into a left bed board section and a right bed board section which are symmetrical in the transverse direction. The opposite ends of the left bed board section and the right bed board section are rotatably connected by a longitudinally arranged rotating shaft. The bed base 3 is provided with a right-side flipping driving mechanism for driving all left bed board sections to flip upwards. The bed base 3 is provided with a left-side flipping driving mechanism for driving all right bed board sections to flip upwards. In this way, when the back bed board section 4, the buttocks bed board section 5, the thigh bed board section 6 and the calf bed board section 7 are all laid flat and the rotating shafts between all the left bed board sections and the right bed board sections are concentric, all the left bed board sections can be driven to flip upwards by the right side flipping drive mechanism, or all the right bed board sections can be driven to flip upwards by the left side flipping drive mechanism to assist the patient to complete a side flip or maintain a side-lying posture; on the basis of dividing the bed board into a plurality of bed board sections along the longitudinal direction, each bed board section is further divided into symmetrical left and right bed board sections along the transverse direction, and the flipping drive mechanism is cooperated to further improve the flexibility of use, scope of application and practicality of the anti-bedsore rehabilitation bed.

[0025] See also Figure 1 and Figure 2 The specific structure and installation status of the top support unit are as follows: each top support unit is installed on the corresponding bed board section, and the support part 1 includes two support plates 8 that are spaced apart and symmetrically distributed in the transverse direction. The two support plates 8 are close to the transverse middle of the bed board section, and the support plates 8 are located in the corresponding grooves or notches (not shown in the figure) on the bed board section, so that the upper surface of the support plates 8 is flush with the bed surface; the driving part 2 includes two driving members 9 and corresponds to the two support plates 8 of the corresponding support part 1 one by one. The driving member 9 is installed on the lower surface of the bed board section, and the driving member 9 has a driving end that is perpendicular to the bed board section and can be retracted. The driving end moves through the bed board section where it is located and is connected to the lower surface of the corresponding support plate 8; in addition, in this embodiment, the support plate 8 of the back support unit is located in the middle of the back bed board section 4 and close to the hip bed board section 5 to avoid the human spine and shoulder blades to support the back, the support plates 8 of the back support unit and the hip support unit are arranged longitudinally to adapt to a larger height range, the support plate 8 of the calf support unit is located at the calf bed board section 7 close to the thigh bed board section 6 to avoid supporting the calf at the heel and adapt to more height ranges, and the support plate 8 of the calf support unit is arranged horizontally to adapt to more bed postures with different leg opening ranges; In this way, the support parts 1 designed to correspond to the back, buttocks and calves of the human body all include two support plates 8 that are laterally spaced and symmetrically distributed. When a person lies on the bed, the two support plates 8 of the same support part 1 are located on both sides of the midline of the human body and close to the center, so that the two support plates 8 corresponding to the back can lift up the entire back or the area of ​​the back close to the spine and scapula to avoid direct contact with the spine and scapula, and make the skin at the spine and scapula detach from the bed surface or have a tendency to detach, thereby reducing the stress on the skin at the spine and scapula; the two support plates 8 corresponding to the buttocks can lift up the entire buttocks or the area close to the inguinal groove to avoid direct contact with the hip and sacrum, and make the hip and sacrum The skin at the tail is separated from the bed surface or has the tendency to separate from it, thereby reducing the stress on the skin at the hip and sacrum; the two support plates 8 corresponding to the calves can lift up the two calves respectively, and make the skin at the heels separate from the bed surface or have the tendency to separate from it, thereby reducing the stress on the skin at the heels; two support plates 8 are provided for the same part and two driving members 9 are provided accordingly, so that not only the height of each support plate 8 protruding from the bed surface can be adjusted independently to adapt to more lying conditions and usage requirements, but also the two support plates 8 and driving members 9 corresponding to the same part are respectively arranged on the corresponding left bed board section and right bed board section, which can avoid interference with the rollover action and make the structure more stable and reliable.

[0026] See also Figure 5 and Figure 6 The structure of the driving member 9 and the connection with the support plate 8 are as follows: the driving member 9 includes a rectangular outer shell 10 connected vertically to the corresponding bed board section, an inner shell 11 is provided in a sliding sleeve inside the outer shell 10, the inner shell 11 can slide vertically to the corresponding bed board section and is restricted by the outer shell 10 and cannot rotate, the upper end of the inner shell 11 extends out of the outer shell 10 and is connected to the corresponding support plate 8; a motor 12 is installed on the outer shell 10, and a lead screw is transmission-connected to the output end of the motor 12, a screw 13 of the lead screw is vertical to the corresponding bed board section, a nut 14 in the lead screw that cooperates with the screw 13 is connected to the inner shell 11, so that the motor 12 can drive the inner shell 11 and the support part 1 to move vertically to the corresponding bed board section through the lead screw, and the inner shell 11 forms the telescopic end of the driving member 9; in order to reduce the volume, the lower end of the inner shell 11 is opened and the lead screw is set Placed in the inner shell 11, the motor 12 is installed on the inner side of the lower end of the outer shell 10 parallel to the screw 13, and the output end is connected to the lower end of the screw 13 through the transmission seat 15 downward, the upper end of the screw 13 is kept at a certain distance from the upper end of the inner shell 11, the nut 14 is connected to the inner wall of the inner shell 11 through the connecting seat 16, and the motor 12 moves vertically through the connecting seat 16; to ensure the smoothness of the movement, a linear guide 17 is also provided on the outer surface of the inner shell 11, and the sliding seat of the linear guide 17 is connected to the inner wall of the outer shell 10; in addition, a limit column 18 is also raised on an outer surface of the inner shell 11, and a limit switch 19 that can be triggered by the limit column 18 is respectively provided on the corresponding inner wall of the outer shell 10 near the upper and lower ends, and the limit switch 19 is electrically connected to the motor 12 to avoid excessive movement of the driving member 9.

[0027] See also Figure 1 The bed base 3 is a frame structure and includes a bed frame 20, and a longitudinal beam 21 and a transverse beam 22 are connected inside the bed frame 20. The longitudinal beam 21 is located in the transverse middle of the bed frame 20; according to the required flipping angles of the back bed board section 4, the thigh bed board section 6 and the calf bed board section 7, the force required for flipping, and the different spaces available for installation below, the specific structural forms of the back driving mechanism, the thigh driving mechanism and the calf driving mechanism are designed accordingly as follows: See also Figure 2 and Figure 3 The back driving mechanism includes a back driving shaft 23 which is transversely arranged below the back bed board section 4, and the two ends of the back driving shaft 23 are rotatably connected to the bed frame 20 respectively. Two back driving rods 24 are vertically connected to the back driving shaft 23, and the free ends of the back driving rods 24 are rotatably connected to the transversely arranged back driving rollers 25, and the two back driving rollers 25 are one-to-one abutted against the left bed board section and the right bed board section of the back bed board section 4. A back swing rod 26 is vertically connected to the back driving shaft 23, and a back electric push rod 27 is longitudinally arranged between the free end of the back swing rod 26 and the bed frame 20, and the two ends of the back electric push rod 27 are respectively rotatably connected to the free end of the back swing rod 26 and the bed frame 20 through a transversely arranged rotating shaft; in this way, the telescopic back electric push rod 27 can drive the back driving shaft 23 to rotate within a certain range through the back swing rod 26, so that the back bed board section 4 is lifted and lowered through the back driving rod 24 and the back driving roller 25.

[0028] See also Figure 2 and Figure 4 The thigh driving mechanism includes a thigh driving rod 28 arranged below the thigh bed board section 6, the middle part of the thigh driving rod 28 is rotatably connected to the longitudinal beam 21 through a transversely arranged rotating shaft, the upper end of the thigh driving rod 28 is located above the longitudinal beam 21 and is rotatably connected to a transversely arranged thigh driving roller 29, the thigh driving roller 29 is respectively abutted against the left bed board section and the right bed board section of the thigh bed board section 6, the lower end of the thigh driving rod 28 is located below the longitudinal beam 21 and is longitudinally provided with a thigh electric push rod 30 between the bed frame 20, and the two ends of the thigh electric push rod 30 are respectively rotatably connected to the lower end of the thigh driving rod 28 and the bed frame 20 through a transversely arranged rotating shaft; in this way, the thigh electric push rod 30 can be telescopically driven to drive the thigh driving rod 28 to rotate within a certain range with the rotating connection between the thigh driving rod 28 and the longitudinal beam 21 as the rotation center, thereby lifting and lowering the thigh bed board section 6 through the thigh driving roller 29 at the upper end of the thigh driving rod 28.

[0029] See also Figure 2 and Figure 4The calf driving mechanism includes a calf driving rod 31 arranged below the calf bed board section 7. The upper end of the calf driving rod 31 is located above the longitudinal beam 21. The upper end of the calf driving rod 31 is rotatably connected to the rotating shaft that rotatably connects the left bed board section and the right bed board section of the calf bed board section 7 through a transversely arranged rotating shaft. The lower end of the calf driving rod 31 is located below the longitudinal beam 21 and is rotatably connected to a longitudinal slider 32 through a transversely arranged rotating shaft. The longitudinal slider 32 is slidably connected to the longitudinal beam 21 and can slide longitudinally. The longitudinal slider 32 is connected to the longitudinal beam 21. A calf electric push rod 33 is provided longitudinally between the bed frame 20, and the two ends of the calf electric push rod 33 are respectively connected to the longitudinal slider 32 and the bed frame 20; in this way, the calf electric push rod 33 can drive the longitudinal slider 32 to slide longitudinally along the longitudinal beam 21, and the longitudinal slider 32 drives the lower end of the calf driving rod 31 to move longitudinally, so that the calf driving rod 31 and the longitudinal beam 21 are at different angles, thereby changing the vertical distance between the connection between the upper end of the calf driving rod 31 and the calf bed board section 7 and the longitudinal beam 21, so that the calf bed board section 7 can be lifted up and lowered.

[0030] See also Figure 3 and Figure 4 The right side flipping driving mechanism includes a side flipping driving shaft 34 which is longitudinally arranged and whose two ends are respectively connected to the bed frame 20 for rotation. A side flipping driving rod 35 is vertically connected to the side flipping driving shaft 34. The free end of the side flipping driving rod 35 is connected to a side flipping driving roller 36 which is longitudinally arranged. The side flipping driving roller 36 is in contact with at least the left bed board section of the back bed board section 4, the buttocks bed board section 5 and the thigh bed board section 6. A side flipping swing rod 37 is vertically connected to the side flipping driving shaft 34. The free end of the side flipping swing rod 37 is connected to the bed frame 20. 0 is provided with a side-turning electric push rod 38 in the transverse direction, and the two ends of the side-turning electric push rod 38 are rotatably connected with the free end of the side-turning swing rod 37 and the bed frame 20 respectively through a longitudinally arranged rotating shaft; the left-side turning drive mechanism and the right-side turning drive mechanism adopt the same structural form; in this way, the side-turning electric push rod 38 can be extended and retracted to drive the side-turning drive shaft 34 to rotate within a certain range through the side-turning swing rod 37, so that the corresponding left bed board section or right bed board section can be lifted and lowered through the side-turning drive rod 35 and the side-turning drive roller 36.

[0031] See also Figure 1 and Figure 2 A plurality of upwardly extending support columns 39 are provided at intervals on the upper edge of the bed base 3, and the support columns 39 are used to support each bed board section so that there is a vertical spacing between the bed board section and the bed base 3 to prevent fingers or other parts of the body located on the bed base 3 from being accidentally pinched during the process of flipping and lowering each bed board section.

[0032] In this embodiment, the anti-bedsore rehabilitation bed also includes a controller, which is electrically connected to the back electric push rod 27, the thigh electric push rod 30, the calf electric push rod 33, the side-turning electric push rod 38 and each driving member 9 respectively; in this way, the controller can be controlled and set so that manual control and automatic control of the back electric push rod 27, the thigh electric push rod 30, the calf electric push rod 33, the side-turning electric push rod 38 and each driving member 9 can be achieved through the controller. For example, for a lying patient, the automatic control controls the support plate 8 used to support the back, buttocks and calves to protrude in turn, and circulates at a certain time, thereby replacing manual assistance for the patient to change body position.

[0033] Embodiment 2: In this embodiment, the driving member 9 includes a rectangular outer shell 10 connected vertically to the corresponding bed board section, and an inner shell 11 is provided in the sliding sleeve inside the outer shell 10. The inner shell 11 can slide vertically to the corresponding bed board section and is restricted by the outer shell 10 and cannot rotate. The upper end of the inner shell 11 extends out of the outer shell 10 and is connected to the corresponding support plate 8; in order to ensure the smoothness of the movement, a linear guide 17 is also provided on the outer surface of the inner shell 11, and the slide seat of the linear guide 17 is connected to the inner wall of the outer shell 10; the difference from Embodiment 1 is that the mechanism for driving the inner shell 11 to slide vertically is different, please refer to Figure 7 In this embodiment, the mechanism for driving the inner shell 11 to slide vertically is a telescopic platform frame, which is driven by a top support electric push rod 42. The telescopic platform frame is located in the inner shell 11 and the upper and lower ends are respectively connected to the inner shell 11 and the outer shell 10. Specifically, the telescopic platform frame includes a U-shaped upper connecting block 40 and a lower connecting block 41, and the U-shaped mouths of the upper connecting block 40 and the lower connecting block 41 are vertically opposite. The upper connecting block 40 is connected to the upper end of the inner shell 11, and the lower connecting block 41 is connected to the lower end of the outer shell 10. A telescopic mechanism is connected between the upper connecting block 40 and the lower connecting block 41. The telescopic mechanism consists of two vertically distributed and connected X-shaped telescopic frames 43. The X-shaped telescopic frame 43 includes cross-shaped support rods that are rotatably connected in the middle. A free end of a support rod of the upper X-shaped telescopic frame 43 is connected to The upper connecting block 40 is rotatably connected, and the free end of the other support rod is slidably connected to the upper connecting block 40. The free end of one support rod of the lower X-shaped telescopic frame 43 is rotatably connected to the lower connecting block 41, and the free end of the other support rod is slidably connected to the lower connecting block 41. The top support electric push rod 42 is located between the upper connecting block 40 and the lower connecting block 41. One end of the top support electric push rod 42 is hinged to the lower connecting block 41, and the other end is hinged to any support rod. The top support electric push rod 42 drives the two X-shaped telescopic frames 43 to extend and retract vertically through the support rod connected thereto, thereby driving the inner shell 11 to move vertically. Compared with Example 1, this embodiment uses a telescopic platform frame driven by an electric push rod to drive the inner shell 11 to move vertically, and its response speed is faster and the noise is lower, which is conducive to assisting patients to complete body position changes and rest more quickly.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the technical solution. Those skilled in the art should understand that those modifications or equivalent substitutions of the technical solution of the present invention that do not depart from the purpose and scope of the technical solution should be included in the scope of the claims of the present invention.

Claims

1. An anti-bedsore rehabilitation bed, characterized in that: The invention comprises a bed body, wherein three supporting units are arranged at intervals along the longitudinal direction of the bed body, and the supporting units comprise a supporting part (1) and a driving part (2) for driving the supporting part (1) to protrude upward from the bed surface; the three supporting units are respectively a back supporting unit, a buttocks supporting unit and a calf supporting unit, wherein the supporting part (1) of the back supporting unit is used to replace the bed surface to support the back of a human body, so as to reduce the pressure on the skin of the spine and shoulder blades when protruding from the bed surface, the supporting part (1) of the buttocks supporting unit is used to replace the bed surface to support the buttocks of a human body, so as to reduce the pressure on the skin of the sacrum and coccyx when protruding from the bed surface, and the supporting part (1) of the calf supporting unit is used to replace the bed surface to support the calf of a human body, so as to reduce the pressure on the skin of the heel when protruding from the bed surface.

2. The anti-bedsore rehabilitation bed according to claim 1, characterized in that: The bed frame comprises a bed base (3) and a bed board movably arranged on the bed base (3), the top support unit being mounted on the bed board, and the upper surface of the bed board forming the bed surface; the bed board is divided into a plurality of bed board sections along the longitudinal direction, the opposite ends of two adjacent bed board sections are rotatably connected via a transversely arranged rotating shaft, and a driving mechanism for driving the bed board sections to rotate relative to each other is provided on the bed base (3), so as to adjust the bed surface to rise and fall in various postures.

3. The anti-bedsore rehabilitation bed according to claim 1, characterized in that: The bed body comprises a bed base (3) and a bed board placed on the bed base (3), the upper surface of the bed board forming the bed surface; the bed board is longitudinally divided into a back bed board section (4), a buttocks bed board section (5), a thigh bed board section (6) and a calf bed board section (7), and the opposite ends of two adjacent bed board sections are rotatably connected via a transversely arranged rotating shaft; a back driving mechanism for driving the back bed board section (4) to rotate relative to the buttocks bed board section (5) is provided on the bed base (3), a thigh driving mechanism for driving the thigh bed board section (6) to rotate relative to the buttocks bed board section (5) is provided on the bed base (3), and a calf driving mechanism for driving the calf bed board section (7) to rotate relative to the thigh bed board section (6) is provided on the bed base (3); a back supporting unit is mounted on the back bed board section (4), a buttocks supporting unit is mounted on the buttocks bed board section (5), and a calf supporting unit is mounted on the calf bed board section (7).

4. The anti-bedsore rehabilitation bed according to claim 2 or 3, characterized in that: Each top support unit is mounted on a bed board section at a corresponding position, the support part (1) comprises two support plates (8) spaced apart and symmetrically distributed in the transverse direction, the two support plates (8) are close to the transverse middle of the bed board section, and the support plates (8) are located in corresponding grooves or notches on the bed board section; the driving part (2) comprises two driving members (9) corresponding to the two support plates (8) of the corresponding support part (1) one by one, the driving members (9) are mounted on the lower surface of the bed board section, the driving members (9) have a driving end which is perpendicular to the bed board section and is retractable, the driving end movably passes through the bed board section and is connected to the lower surface of the corresponding support plate (8).

5. The anti-bedsore rehabilitation bed according to claim 4, characterized in that: The support plates (8) of the back support unit and the buttocks support unit are arranged longitudinally, and the support plate (8) of the calf support unit is arranged transversely.

6. The anti-bedsore rehabilitation bed according to claim 3, characterized in that: Each bed board section is divided into a left bed board section and a right bed board section which are laterally symmetrical. The opposite ends of the left bed board section and the right bed board section are rotatably connected via a longitudinally arranged rotating shaft. The bed base (3) is provided with a right side flipping driving mechanism for driving all the left bed board sections to flip upwards. The bed base (3) is provided with a left side flipping driving mechanism for driving all the right bed board sections to flip upwards.

7. The anti-bedsore rehabilitation bed according to claim 6, characterized in that: The bed base (3) is a frame structure and includes a bed frame (20), wherein a longitudinal beam (21) and a transverse beam (22) are connected inside the bed frame (20), wherein the longitudinal beam (21) is located in the transverse middle of the bed frame (20); the back driving mechanism includes a back driving shaft (23) arranged transversely below the back bed board section (4), wherein both ends of the back driving shaft (23) are respectively rotatably connected to the bed frame (20), and two back driving rods (24) are vertically connected to the back driving shaft (23), wherein the free ends of the back driving rods (24) are rotatably connected to the back driving shaft (23). The back driving shaft (23) is vertically connected to a back driving roller (25) which is arranged transversely, and the two back driving rollers (25) are in one-to-one contact with the left and right bed board sections of the back bed board section (4). A back swing rod (26) is vertically connected to the back driving shaft (23), and a back electric push rod (27) is arranged longitudinally between the free end of the back swing rod (26) and the bed frame (20). The two ends of the back electric push rod (27) are respectively rotatably connected to the free end of the back swing rod (26) and the bed frame (20) via a transversely arranged rotating shaft. The thigh driving mechanism comprises a thigh driving rod (28) arranged below the thigh bed board section (6); the middle part of the thigh driving rod (28) is rotatably connected to the longitudinal beam (21) via a transversely arranged rotating shaft; the upper end of the thigh driving rod (28) is located above the longitudinal beam (21) and is rotatably connected to a transversely arranged thigh driving roller (29); the thigh driving roller (29) is respectively in contact with the left and right bed board sections of the thigh bed board section (6); the lower end of the thigh driving rod (28) is located below the longitudinal beam (21) and is provided with a thigh electric push rod (30) along the longitudinal direction between the thigh driving rod (28) and the bed frame (20); the two ends of the thigh electric push rod (30) are respectively rotatably connected to the lower end of the thigh driving rod (28) and the bed frame (20) via a transversely arranged rotating shaft; The calf driving mechanism comprises a calf driving rod (31) arranged below the calf bed board section (7); the upper end of the calf driving rod (31) is located above the longitudinal beam (21) and is rotatably connected to a rotating shaft that rotatably connects the left bed board section and the right bed board section of the calf bed board section (7) via a transversely arranged rotating shaft; the lower end of the calf driving rod (31) is located below the longitudinal beam (21) and is rotatably connected to a longitudinal slider (32) via a transversely arranged rotating shaft; the longitudinal slider (32) is slidably connected to the longitudinal beam (21) and can slide in the longitudinal direction; a calf electric push rod (33) is provided between the longitudinal slider (32) and the bed frame (20) in the longitudinal direction; and the two ends of the calf electric push rod (33) are respectively connected to the longitudinal slider (32) and the bed frame (20).

8. The anti-bedsore rehabilitation bed according to claim 6, characterized in that: The right side flipping drive mechanism comprises a side flipping drive shaft (34) which is arranged longitudinally and whose two ends are respectively rotatably connected to the bed frame (20); a side flipping drive rod (35) is vertically connected to the side flipping drive shaft (34); the free end of the side flipping drive rod (35) is rotatably connected to a side flipping drive roller (36) which is arranged longitudinally; the side flipping drive roller (36) is in contact with at least the left bed board section of the back bed board section (4), the buttocks bed board section (5) and the thigh bed board section (6); a side flipping swing rod (37) is vertically connected to the side flipping drive shaft (34); a side flipping electric push rod (38) is arranged transversely between the free end of the side flipping swing rod (37) and the bed frame (20); and the two ends of the side flipping electric push rod (38) are respectively rotatably connected to the free end of the side flipping swing rod (37) and the bed frame (20) via a rotating shaft arranged longitudinally.

9. The anti-bedsore rehabilitation bed according to claim 8, characterized in that: The device also includes a controller, which is electrically connected to the back electric push rod (27), the thigh electric push rod (30), the calf electric push rod (33), the side-rolling electric push rod (38) and each driving member (9) respectively, and is used to realize manual control and automatic control of the back electric push rod (27), the thigh electric push rod (30), the calf electric push rod (33), the side-rolling electric push rod (38) and each driving member (9).

10. The anti-bedsore rehabilitation bed according to claim 2 or 3, characterized in that: A plurality of upwardly extending support columns (39) are provided at intervals on the upper edge of the bed base (3), and the support columns (39) are used to support each bed board section to prevent pinching.

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