CN116211623A - Rotatable split wheelchair nursing bed - Google Patents

Abstract

A rotatable split wheelchair nursing bed belongs to the field of medical care instruments and aims to solve the problems that a bed body split mode is inconvenient and complex and the posture is single in the prior art. The invention comprises a fixed bed body and a split wheelchair, which are in butt joint to form a nursing bed, wherein the bed boards of the fixed bed body and the split wheelchair and the wheelchair boards can realize the basic posture adjusting functions of back lifting, leg bending and the like of a patient through rotating a certain angle, and can rotate anticlockwise by 90 degrees to form a wheelchair sitting posture state, thereby being convenient for assisting the patient to get out of the bed and chat and entertainment with other people and other activities. The middle part of the bed plate of the fixed bed body after rotation can form a split wheelchair, the split wheelchair is vertically pulled out relative to the inlet and outlet direction of the vertical bed body, and the split wheelchair is separated from the fixed bed body to form an independent wheelchair, so that the split wheelchair is beneficial to reducing the burden of a nursing person and the discomfort of a patient caused by position transfer, has simple and convenient flow and is suitable for popularization and study.

Description

Rotatable split wheelchair nursing bed

Technical field:

the invention relates to the field of rehabilitation nursing instruments, in particular to a split wheelchair nursing bed which can turn into a chair state in a sitting posture and separate and combine a bed and a chair.

The background technology is as follows:

the nursing bed is a purpose-made sick bed provided for patients with inconvenient movement, has basic physiological posture compensation function, and is developed from a hand-operated type to an electric multifunctional nursing bed at first, so that the nursing bed can meet basic functions of back lifting, leg bending, side turning and the like of users, and further gradually realizes auxiliary functions such as auxiliary defecation, sewage treatment, cleaning and periodical disinfection, folding and moving of the nursing bed, conversion and butt joint of the nursing bed and a wheelchair and the like.

With the aging of population and the increase of nursing demands of the aged, the work for caring the aged and patients is very hard, especially the transfer operation of patients between wheelchairs and beds is more complicated and difficult for caregivers, the labor intensity is high, and the operation is inconvenient. The existing wheelchair docking type nursing bed can meet the requirement of patient travel on conversion from the nursing bed to a wheelchair form, but only part of bed body is lifted back and bent legs in situ to be converted into a wheelchair state, and then the wheelchair docking type nursing bed is horizontally pulled out by a nursing staff, so that the posture conversion is single, and the requirement of assisting patient in getting out of the bed or assisting in turning chat and entertainment cannot be simply met; related personnel also need to transfer the user from the fixed bed body side to the wheelchair side, and the operation is complicated, and the transfer process easily causes the secondary injury to patient's health.

Disclosure of Invention

The nursing bed is a purpose-made sick bed provided for patients with inconvenient movement, has basic physiological posture compensation function, and is developed from a hand-operated type to an electric multifunctional nursing bed at first, so that the nursing bed can meet basic functions of back lifting, leg bending, side turning and the like of users, and further gradually realizes auxiliary functions such as auxiliary defecation, sewage treatment, cleaning and periodical disinfection, folding and moving of the nursing bed, conversion and butt joint of the nursing bed and a wheelchair and the like.

With the aging of population and the increase of nursing demands of the aged, the work for caring the aged and patients is very hard, especially the transfer operation of patients between wheelchairs and beds is more complicated and difficult for caregivers, the labor intensity is high, and the operation is inconvenient. The existing wheelchair docking type nursing bed can meet the requirement of patient travel on conversion from the nursing bed to a wheelchair form, but only part of bed body is lifted back and bent legs in situ to be converted into a wheelchair state, and then the wheelchair docking type nursing bed is horizontally pulled out by a nursing staff, so that the posture conversion is single, and the requirement of assisting patient in getting out of the bed or assisting in turning chat and entertainment cannot be simply met; related personnel also need to transfer the user from the fixed bed body side to the wheelchair side, and the operation is complicated, and the transfer process easily causes the secondary injury to patient's health. Disclosure of Invention

Aiming at the defects, the invention aims to provide the rotatable split wheelchair nursing bed which not only can realize the basic posture adjusting functions of lifting back and bending legs of a patient, but also can rotate the bed frame into a sitting posture state, thereby being convenient for assisting the patient to get out of the bed and chat and entertainment with other people. The wheelchair mode is formed by a part of the rotated bedstead, and the separation and butt joint functions of the wheelchair and the nursing bed body can be realized, so that the burden of a nursing person and the discomfort of a patient caused by position transfer are reduced, the flow is simple and convenient, and the wheelchair is suitable for popularization and study.

In order to achieve the above purpose, the invention adopts the following specific technical scheme:

the rotatable split wheelchair care bed comprises: a fixed bed body and a split wheelchair; the fixed bed body part comprises a headboard, a bed tail plate, a bed body frame, a bed body control box, a rotatable bed surface, a butt joint lock mechanism, a bed body rotating mechanism, a back lifting mechanism, a leg bending mechanism, a guide sliding rail and four supporting casters; the split wheelchair comprises a wheelchair alignment plate, a wheelchair bottom shell, a wheelchair plate, a gesture locking device, a rotary positioning electromagnetic bolt, a movable trundle and a wheelchair pushing hand; the fixed bed body is combined with the split wheelchair through the butt joint locking mechanism and the electromagnetic locking mechanism to form a nursing bed, so that a lying state is realized; the bed body rotating mechanism can drive the rotatable bed surface and the wheelchair plate to integrally rotate for 90 degrees to form a sitting posture state, so that sitting posture turning is realized; in a sitting posture state, the split wheelchair is separated from the fixed bed body to form an independent wheelchair.

The middle part of the side edge of the bed body frame is hollow from top to bottom to form a U-shaped accommodating cavity, the opening direction of the U-shaped accommodating cavity is vertical to the direction of the bed body, the split wheelchair is fixed in the U-shaped accommodating cavity through a butt joint lock mechanism in the combined state of the bed and the chair, and guide sliding rails are arranged at two sides of the inner bottom of the U-shaped accommodating cavity vertical to the direction of the bed body to assist the split wheelchair in pulling out, separating and butting and returning; a rectangular empty frame is reserved at the bottom of the bed body frame in the direction vertical to the horizontal plane, and a fixed bed body rotating mechanism is supported; the bed body control box is positioned behind the bed body rotating mechanism and fixed with the bed frame and used for controlling the back lifting, leg bending movement and the contact type power-on device of the fixed bed body and the split wheelchair; the rotatable bed surface comprises two side guard plates and a bed plate. The bed board comprises a first back board, a first hip fixing board, a first thigh board, a first shank board and a first foot board, and an empty slot for accommodating the split wheelchair is reserved in the middle of the bed board and has the same width as the opening of the U-shaped accommodating cavity; the two side guard plates are respectively welded on two sides of the first hip fixing plate; the bed body rotating mechanism comprises a rotating support frame and a rotating device, wherein the first hip fixing plate is welded on the rotating support frame, and the center of the rotating support frame is fixed at the upper end of the rotating device.

The shape of the rotary support frame is an opening symmetrical semicircular arc, and an opening with the same width as the U-shaped accommodating cavity is reserved at the tail part of the rotary support frame to accommodate the split wheelchair; a cross beam is welded in the middle of the rotary support frame in the direction perpendicular to the opening, a rotary shaft is vertically welded in the middle of the cross beam downwards in a vertical mode, the bottom of the rotary shaft is of a hollow structure, and a rotary shaft gear is fixed on the outer portion of the rotary support frame; in addition, two cylindrical butt joint strips are symmetrically welded on the same horizontal plane with the cross beam in the vertical direction by taking the midpoint of the length of the cross beam as a reference, and the cylindrical butt joint strips face the opening direction of the rotary support frame and are in butt joint fit with a circular positioning empty groove on the back of the wheelchair alignment plate so as to drive the wheelchair plate to return or rotate separately; the bottom of the rotary support frame is provided with a support universal ball which supports the rotatable bed surface to rotate and move on the surface of the bed body frame; the rotating device comprises a protective shell, a rotating motor, a motor shaft gear and a rotating bearing; an inner rotary shaft is fixed on the bed body frame and is matched with the inner diameter of the rotary bearing, and the hollow part of the rotary shaft is matched with the outer diameter of the rotary bearing; the motor shaft gear is fixedly connected to the rotary motor shaft and matched with the rotary shaft gear, so that the motor can drive the rotary shaft; the rotating motor, the motor shaft gear and the rotating bearing are all arranged in the protective shell. The protective housing is close to one side of U type holds the chamber opening direction.

The back lifting mechanism comprises a back lifting push rod and a long connecting plate, the long connecting plate is welded at the center position of the back side of the first back plate, the tail part of the back lifting push rod is hinged at the center position of the back side of the long connecting plate, and the head part of the back lifting push rod is hinged at one side of the rotating shaft in an intersecting manner; the leg bending mechanism comprises two first leg bending push rods, two second leg bending push rods, two short connecting plates and two leg bending connecting rods; the tail parts of the two first curved leg pushing rods are respectively hinged to two L-shaped supporting bars at the bottoms of the two sides of the rotary supporting frame, and the head parts of the two first curved leg pushing rods are respectively hinged to the two sides of the bottom of the first thigh plate; the tail parts of the two second curved leg push rods are respectively hinged to the two short connecting plates, the head parts of the two second curved leg push rods are respectively hinged to the tail ends of the rotary support frame, the tail parts of the two second curved leg push rods are respectively hinged to the two short connecting plates, and the head parts of the two second curved leg push rods are respectively hinged to the other side of the rotary support frame; the two short connecting plates are respectively welded with the bottom surface of the inner side of the tail end of the first shank plate; the two ends of the two curved leg connecting rods are respectively hinged with the bottoms of the two sides of the first thigh plate and the bottoms of the two sides of the first foot plate, the first thigh plate is connected with the first foot plate through the two curved leg connecting rods, and the first thigh plate and the first foot plate are always in a parallel state, so that comfort of a patient during posture conversion is guaranteed.

The wheelchair plate comprises a second backboard, a second hip fixing plate, a second thigh plate, a second calf plate and a second foot plate, wherein angles among the second backboard, the second hip fixing plate, the second calf plate and the second foot plate are respectively fixed through a gesture locking device, and the second hip fixing plate is welded on a wheelchair alignment plate; the wheelchair alignment plate is characterized in that the bottom of the wheelchair alignment plate is provided with a protruding arc sliding bar, two sides of the back of the wheelchair alignment plate are provided with embedded circular positioning empty slots, the embedded circular positioning empty slots are in butt joint with two cylindrical butt joint bars of the rotary support frame, and the rotary support frame drives the wheelchair alignment plate and the wheelchair plate to rotate into a sitting posture wheelchair state or rotate clockwise into a recumbent posture state when rotating anticlockwise; the upper surface of the wheelchair bottom shell is provided with an arc strip positioning groove, and when the wheelchair plate rotates along with the rotatable bed surface, the arc slide block slides along the arc strip positioning groove, so that the rotation track of the wheelchair plate is restrained, and meanwhile, the wheelchair plate is prevented from being separated from the wheelchair bottom shell; the upper surface of the wheelchair bottom shell is welded with supporting balls, and the supporting balls assist the wheelchair to rotate; the lower surface of the second hip fixing plate is embedded and fixedly provided with a rotary positioning electromagnetic bolt, the upper surface of the wheelchair bottom shell is embedded and fixedly provided with a rotary positioning electromagnetic bolt jack, when the wheelchair plate rotates to the wheelchair entering and exiting direction, the rotary positioning bolt is powered off, and the lock tongue extends into the electric bolt jack to realize the positioning of the wheelchair rotating gesture.

The wheelchair butt-joint lock mechanism comprises a pair of wheelchair bottom shell return electromagnetic locks, a backboard fixing electromagnetic lock and two pairs of gesture butt-joint electromagnetic locks; the wheelchair bottom shell return electromagnetic lock comprises a pair of square magnet main bodies and a pair of square magnet suction plates, wherein the square magnet main bodies are fixed on two sides of the back of the wheelchair bottom shell, and the square magnet suction plates are fixed on two sides of the front of a protective shell of the rotating device; the backboard fixed electromagnetic lock comprises a strip-shaped magnet main body and a strip-shaped magnet suction plate; one end of the strip-shaped magnet main body is embedded and fixed at the center of the outer side of the long connecting plate, and one end of the strip-shaped magnet suction plate is embedded and fixed at the center of the second backboard; the gesture butt-joint electromagnetic lock comprises two pairs of circular electromagnet main bodies and circular electromagnet suction plates, which are respectively embedded at the two sides of the second thigh plate and the two sides of the first thigh plate, and the two sides of the second foot plate and the two sides of the first foot plate; when the split wheelchair returns to the U-shaped accommodating cavity of the bed frame, the wheelchair bottom shell is connected with the fixed bed body, the first backboard is connected with the long connecting plate in an attracting way through the square magnet main body and the suction plate, and the long magnet main body is connected with the suction plate in an attracting way, so that the connection stability of the split wheelchair and the fixed bed body is ensured; after the bed chair is in butt joint, the two sides of the second thigh plate are connected with the two sides of the first thigh plate, and the two sides of the second foot plate are connected with the two sides of the first foot plate through the suction connection of the circular electromagnet main body and the suction plate, so that the gesture linkage of the bed plate and the wheelchair plate is realized.

The gesture locking device comprises two pairs of gesture supporting electromagnetic bolts and a contact type electrifying device; the contact type energizing device comprises a pair of male ends and a pair of female ends, the male ends are fixed at two ends of two cylindrical butt joint strips of the wheelchair alignment plate, and the female ends are fixed at the inner ends of circular empty slots at two sides of the wheelchair alignment plate; the attitude support electromagnetic bolt comprises an attitude locking electric bolt baffle plate, an electromagnetic lock baffle plate, an attitude locking electric bolt and an electromagnetic lock bolt, wherein the electromagnetic lock baffle plate is fixed in the attitude locking electric bolt baffle plate, and the electromagnetic lock bolt is fixed in the attitude locking electric bolt; the upper ends of the long side surfaces of the pair of gesture locking electric plug baffle plates are respectively welded with the two sides of the back surface of the second backboard, and the short side surfaces of the pair of gesture locking electric plug plates are respectively welded with the two sides of the back surface of the wheelchair alignment board; the upper ends of the long side surfaces of the pair of gesture locking electric plug baffle plates are respectively welded with the two sides of the lower end of the back side of the second calf plate, and the short side surfaces of the pair of gesture locking electric plug plates are respectively welded with the second foot plate. When the bed and chair are in butt joint, the male end and the female end are in contact with power on along with the fact that the wheelchair alignment plate is in butt joint with the cylindrical butt joint strip through the circular empty groove, the two pairs of gesture supporting electromagnetic bolts are unlocked, and the gesture butt joint electromagnetic lock is in a locking state; when the bed chair is separated, along with the circular empty slot of the wheelchair alignment plate is separated from the cylindrical butt joint strip, the male end and the female end are in contact with each other to be powered off, the gesture butt joint electromagnetic lock is unlocked, the gesture support electromagnetic bolt is in a locking state, the second backboard and the second hip fixing plate and the second calf plate and the second foot plate are respectively locked by angles through the gesture support electromagnetic bolt, and the gesture of the split wheelchair is fixed after the bed chair is separated, so that the stability of a patient in a using process is ensured.

From the above, the rotatable split wheelchair nursing bed provided by the invention has the beneficial effects that compared with the prior art:

1. in the application of the existing nursing bed, the posture adjustment mode is single, particularly when a patient recovered after operation gets out of the bed, the patient needs to turn around and get out of the bed independently, the process is hard improperly, secondary injury to the body can be caused, and in consideration of the daily conversation or various posture change requirements of the patient, the split wheelchair can realize the sitting posture rotation of the whole bed surface by the autonomous control of the patient under the state of being in butt joint with a fixed bed body, and the patient can talk with a person or get out of the bed in an auxiliary manner by switching the sitting posture direction.

2. The patient is transferred between the wheelchair and the bed, nursing staff is often required to assist or move to the bedside by means of tools such as a power-assisted belt, the nursing staff is complicated and difficult to operate, the labor intensity is high, the operation is inconvenient, the patient is also potentially dangerous to the patient if the patient is improperly operated in the process of moving the patient, and the patient transfer requirement is considered.

3. After the second backboard and the second foot board of the split wheelchair part are supported to be in a sitting posture, the split wheelchair is locked by the unique posture locking device, so that the moving safety of the split wheelchair is ensured.

Drawings

The following detailed description of specific embodiments of the invention is further detailed in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of the structure of a rotatable split wheelchair care bed of the present invention when the bed and chair are combined to form a bed surface;

FIG. 2 is a schematic view of the structure of a rotatable split wheelchair care bed of the present invention when the bed and chair are combined to form a chair surface;

FIG. 3 is a schematic diagram of the back view structure of a fixed bed body in a rotatable split wheelchair nursing bed according to the invention;

FIG. 4 is a schematic view of a fixed bed structure of a rotatable split wheelchair care bed according to the present invention;

FIG. 5 is a schematic view of the interior of a rotary mechanism of a rotatable split wheelchair care bed of the present invention;

FIG. 6 is a schematic view of the partial mechanism of FIG. 2 at A in a rotatable split wheelchair care bed of the present invention;

FIG. 7 is a schematic view of a split wheelchair portion of a rotatable split wheelchair care bed of the present invention;

FIG. 8 is a schematic back view of a split wheelchair of the rotatable split wheelchair care bed of the present invention;

FIG. 9 is a schematic view of the bottom shell of a split wheelchair in a rotatable split wheelchair care bed according to the present invention;

FIG. 10 is a schematic view of a split wheelchair alignment plate in a rotatable split wheelchair care bed in accordance with the present invention;

FIG. 11 is a schematic illustration of the mechanism of a posture locking device in a rotatable split wheelchair care bed of the present invention;

wherein: the device comprises a fixed bed body 1, a head plate 11, a tail plate 11, a bed body frame 12, a bed body control box 13, a rotatable bed surface 14, a butt lock mechanism 15, a bed body rotating mechanism 16, a back lifting mechanism 17, a leg bending mechanism 18, a guide sliding rail 19, four support casters 20, two side guard plates 141, a bed plate 142, a back lifting push rod 171, a long connecting plate 172, a first back plate 1421, a first buttock fixing plate 1422, a first thigh plate 1423, a first calf plate 1424, a first foot plate 1425, a rotating support 161, a rotating device 162, a rotating shaft 1611, a rotating shaft gear 1612, a cylindrical butt joint strip 1613, a support universal ball 1614, a protective shell 1621, a rotating motor 1622, a motor shaft gear 1623, a rotating bearing 1624, a back lifting push rod 171, a long connecting plate 172, a first leg bending push rod 181, two second leg bending push rods 182, two short connecting plates 183 and two leg bending connecting rods 184.

Wherein: the wheelchair comprises a split wheelchair 2, a wheelchair alignment plate 21, a wheelchair bottom shell 22, a wheelchair plate 23, a posture locking device 24, a rotary positioning electromagnetic latch 25, four movable casters 26, a wheelchair handle 27, a second backboard 231, a second hip fixing plate 232, a second thigh plate 233, a second calf plate 234, a second foot plate 235, an arc sliding bar 211, an arc positioning groove 221, a circular positioning hollow 212, a supporting ball 222, a wheelchair bottom shell return electromagnetic lock 151, a backboard fixing electromagnetic lock 152, a posture docking electromagnetic lock 153, a square magnet main body 1511, a square magnet suction plate 1512, a strip magnet main body 1521, a strip magnet suction plate 1522, a circular electromagnet main body 1531, a circular electromagnet suction plate 1532, a posture supporting electromagnetic latch 241, a contact type energizing device 242, a male end 2421, a female end 2422, a posture locking electric latch stop 2411, an electromagnetic lock stop 2412, a posture locking electric latch 2413 and an electromagnetic latch 2414.

Detailed Description

The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.

The rotatable split wheelchair care bed comprises: the fixed bed comprises a fixed bed body 1 and a split wheelchair 2, wherein the fixed bed body 1 comprises a head plate and a tail plate 11, a bed body frame 12, a bed body control box 13, a rotatable bed surface 14, a butt joint locking mechanism 15, a bed body rotating mechanism 16, a back lifting mechanism 17, a leg bending mechanism 18, a guide sliding rail 19 and four supporting casters 20; the split wheelchair 2 comprises a wheelchair alignment plate 21, a wheelchair bottom shell 22, a wheelchair plate 23, a posture locking device 24, a rotary positioning electromagnetic latch 25, four movable casters 26 and a wheelchair pushing hand 27; the fixed bed body 1 and the split wheelchair 2 are combined through the butt joint lock mechanism 15 to form a nursing bed, so that a lying state is realized; the bed body rotating mechanism 16 can drive the rotatable bed surface 14 and the wheelchair plate 23 to rotate anticlockwise for 90 degrees to form a sitting posture state, so as to realize sitting posture turning; in a sitting posture state, the split wheelchair 1 is separated from the fixed bed body 2 to form an independent wheelchair.

The middle part of the side edge of the bed body frame 12 is hollow from top to bottom to form a U-shaped accommodating cavity, the opening direction of the U-shaped accommodating cavity is vertical to the direction of the bed body, the split wheelchair 2 is fixed in the U-shaped accommodating cavity through a butt joint lock mechanism 15 in the combined state of the bed and the chair, guide sliding rails 19 are arranged on two sides of the inner bottom of the U-shaped accommodating cavity vertical to the direction of the bed body, and the split wheelchair 2 is assisted to pull out, separate and butt joint to return. A rectangular empty frame is reserved at the bottom of the bed body frame 15 perpendicular to the horizontal plane direction, and a fixed bed body rotating mechanism 16 is supported; the bed control box 13 is positioned behind the bed rotating mechanism 16, is fixed with the bed frame 12 and is used for controlling the back lifting and leg bending movements of the fixed bed body 1 and the split wheelchair 2 and the contact type power-on device; the rotatable bed surface 14 comprises two side guard plates 141 and a bed plate 142; the bed board comprises a first back board 1421, a first hip fixing board 1422, a first thigh board 1423, a first shank board 1424 and a first foot board 1425, and a hollow groove for accommodating the split wheelchair 2 is reserved in the middle of the bed board 142 and has the same width as the opening of the U-shaped accommodating cavity; the two side guard plates 141 are welded to both sides of the first hip fixing plate 1422; the bed body rotating mechanism 16 comprises a rotating support 161 and a rotating device 162, the first hip fixing plate 1422 is welded on the rotating support 161, and the center of the rotating support 161 is fixed at the upper end of the rotating device 162.

The shape of the rotary support frame 161 is a semicircular arc shape with symmetrical openings, and the tail part of the rotary support frame 161 is provided with an opening with the same width as the U-shaped accommodating cavity for accommodating the split wheelchair 2; a cross beam is welded in the middle of the rotary support 161 in the direction perpendicular to the opening, a rotary shaft 1611 is vertically welded in the middle of the cross beam downwards in a downward vertical manner, the bottom of the rotary shaft is of a hollow structure, and a rotary shaft gear 1612 is fixed on the outside; in addition, two cylindrical butt joint strips 1613 are symmetrically welded on the same horizontal plane with the cross beam in the vertical direction by taking the midpoint of the length of the cross beam as a reference, the cylindrical butt joint strips 1613 face the opening direction of the rotary support frame 161 and are in butt joint fit with the circular positioning empty grooves 211 on the back surface of the wheelchair alignment plate 21, so that the wheelchair plate 21 is driven to return or rotate separately; the bottom of the rotary support frame 161 is connected with a supporting universal ball 1614 through a bolt, and supports the rotatable bed surface 14 to rotate and move on the surface of the bed body frame 12; the rotating device 162 comprises a protective shell 1621, a rotating motor 1622, a motor shaft gear 1623, and a rotating bearing 1624; an inner rotation shaft is fixed on the bed frame 12, and is matched with the inner diameter of the rotation bearing 1624, and the hollow part of the rotation shaft 1611 is matched with the outer diameter of the rotation bearing 1624; the motor shaft is fixedly connected with the motor shaft gear 1623 and is matched with the rotating shaft gear 1612 to realize the transmission of the rotating shaft gear 1611 by the rotating motor 1622; the rotary motor 1622, the motor shaft gear 1623, and the rotary bearing 1624 are disposed within the protective housing 1621. The protective housing 1621 is adjacent to one side of the U-shaped receiving chamber in the direction of the opening.

The back lifting mechanism 17 comprises a back lifting push rod 171 and a long connecting plate 172, the long connecting plate 172 is welded at the center position of the back side of the first back plate 1421, the tail part of the back lifting push rod 171 is hinged at the center position of the back side of the long connecting plate 172, and the head part of the back lifting push rod 171 is hinged at one side of the rotating shaft 1611; the leg bending mechanism 18 comprises two first leg bending push rods 181, two second leg bending push rods 182, two short connecting plates 183 and two leg bending connecting rods 184; the tail parts of the two first leg bending push rods 181 are respectively hinged to two L-shaped supporting bars at the bottoms of the two sides of the rotary supporting frame 161, and the head parts are respectively hinged to the two sides of the bottom 1423 of the first thigh plate; the tail parts of the two second leg bending push rods 182 are respectively hinged to the two short connecting plates 183, the head parts are respectively hinged to the tail ends of the rotary support frames 161, the tail parts of the two second leg bending push rods 182 are respectively hinged to the two short connecting plates 183, and the head parts are respectively hinged to the other sides of the rotary support frames 161; the two short connecting plates 183 are respectively welded with the inner bottom surface of the tail end of the first lower leg plate 1424; the two ends of the two curved leg connecting rods 184 are respectively hinged to the bottoms of two sides of the first thigh plate 1423 and the first foot plate 1425, the first thigh plate 1423 is connected with the first foot plate 1425 through the two curved leg connecting rods 184, and the first thigh plate 1423 and the first foot plate 1425 are always in a parallel state, so that comfort is ensured when the posture of a patient is converted.

The wheelchair plate 23 comprises a second backboard 231, a second hip fixing plate 232, a second thigh plate 233, a second calf plate 234 and a second foot plate 235, wherein the second backboard 231 and the second hip fixing plate 232, the second calf plate 234 and the second foot plate 235 respectively fix angles between the wheelchair plate 23 through an attitude locking device 24, and the second hip fixing plate 232 is welded on the wheelchair positioning plate 21; the bottom of the wheelchair alignment plate 21 is provided with a protruding arc sliding bar 211, both sides of the back of the wheelchair alignment plate 21 are provided with embedded circular positioning empty slots 212, the embedded circular positioning empty slots are in butt joint with two cylindrical butt joint bars 1613 of the rotary support frame 161, and when the rotary support frame 161 rotates anticlockwise, the wheelchair alignment plate 23 and the wheelchair plate 21 are driven to rotate to a sitting posture wheelchair state or rotate clockwise to a recumbent posture state; the upper surface of the wheelchair bottom shell 22 is provided with an arc strip positioning groove 221, and when the wheelchair plate 21 rotates along with the rotatable bed surface 14, the arc sliding strip 211 slides along the arc strip positioning groove 221, so that the rotation track of the wheelchair plate 23 is restrained, and the wheelchair plate 23 is prevented from being separated from the wheelchair bottom shell 22; the upper surface of the wheelchair bottom shell 22 is fixedly provided with a supporting ball 222 through bolts, and the supporting ball assists the rotation movement of the wheelchair plate 23; the lower surface of the wheelchair alignment plate 21 is embedded and fixedly provided with a rotary positioning electromagnetic bolt 25, the upper surface of the wheelchair bottom shell 22 is embedded and fixedly provided with a rotary positioning, when the wheelchair plate 23 rotates to the wheelchair entering and exiting direction, the rotary positioning electromagnetic bolt 25 is powered off, and the lock tongue extends into the electromagnetic bolt jack to realize the positioning of the wheelchair rotary position.

The docking lock mechanism 15 comprises a pair of wheelchair bottom shell return electromagnetic locks 151, a backboard fixing electromagnetic lock 152 and two pairs of gesture docking electromagnetic locks 153; the wheelchair bottom shell return electromagnetic lock 151 comprises a pair of square magnet main bodies 1511 and a pair of square magnet suction plates 1512, wherein the square magnet main bodies 1511 are fixed on two sides of the back of the wheelchair bottom shell 22, and the square magnet suction plates 1512 are fixed on two sides of the front face of a protective shell 1621 of the rotating device 162; the saidBackboardThe fixed electromagnetic lock 152 includes an elongated magnet body 1521 and an elongated magnet plate 1522; one end of the strip-shaped magnet main body 1521 is embedded and fixed in the center of the outer side of the long connecting plate 172, and one end of the strip-shaped magnet suction plate 1522 is embedded and fixed in the center of the inner side of the second back plate 231; the gesture docking electromagnetic lock 153 includes two pairs of circular electromagnet bodies 1531 and circular electromagnet suction plates 1532 embedded in two sides of the second thigh plate 233 and two sides of the first thigh plate 1423, and two sides of the second foot plate 235 and two sides of the first foot plate 1425, respectively; when the split wheel 2 chair returns to the U-shaped accommodating cavity of the bed frame 12, the wheelchair bottom shell 22 is in suction connection with the suction plate 1512 and the suction plate 1522 through the square magnet main body 1511 and the suction plate 1512 and the strip magnet main body 1521 respectively between the first back plate 1421 and the long connecting plate 172, so that the connection stability of the split wheelchair 2 and the fixed bed 1 is ensured; when the bed and chair are docked, the two sides of the second thigh plate 233 and the two sides of the first thigh plate 1421, and the two sides of the second foot plate 235 and the two sides of the first foot plate 1425 pass throughThe circular electromagnet body 1531 is in suction connection with the suction plate 1532, so as to realize posture linkage of the bed plate 142 and the wheelchair plate 23.

The attitude lock means 24 includes two pairs of attitude support electromagnetic pins 241, contact energization means 242; the contact-type energizing device 242 comprises a pair of male ends 2421 and a pair of female ends 2422, the male ends 2421 are fixed at two ends of two cylindrical butt joint strips 1613 of the rotating support frame 161, and the female ends 2422 are fixed on the pair of wheelchairsBit positionThe inner ends of circular positioning empty slots 212 on two sides of the plate 21; the gesture supporting electromagnetic bolt 241 comprises a gesture locking electric bolt baffle 2411, an electromagnetic lock baffle 2412, a gesture locking electric bolt 2413 and an electromagnetic lock bolt 2414, wherein the electromagnetic lock baffle 2412 is fixed in the gesture locking electric bolt baffle 2411, and the electromagnetic lock bolt 2414 is fixed in the gesture locking electric bolt 2413; the upper ends of the long side surfaces of the pair of gesture locking electric plug baffle plates 2411 are respectively welded with the two sides of the back surface of the second back plate 231, and the short side surfaces of the pair of gesture locking electric plug 2413 are respectively welded with the two sides of the back surface of the wheelchair alignment plate 21; the upper ends of the long side surfaces of the pair of gesture locking electric latch blocking pieces 2411 are respectively welded with two sides of the lower end of the back side of the second calf plate 234, and the short side surfaces of the pair of gesture locking electric latches 2413 are respectively welded with the second foot plate 235. When the bed and chair are docked, as the wheelchair alignment plate 21 is spliced with the cylindrical docking bar 1613 through the circular positioning empty slot 212, the male end 2421 is electrified in contact with the female end 2422, the two pairs of gesture supporting electromagnetic bolts 241 are unlocked, and the gesture docking electromagnetic lock 153 is in a locking state; when the bed and chair are separated, along with the separation of the circular positioning empty slot 212 of the wheelchair alignment plate 21 and the cylindrical butt joint strip 1613, the male end 2421 is in contact with the female end 2422 to be powered off, the gesture butt joint electromagnetic lock 153 is unlocked, the gesture support electromagnetic bolt 241 is in a locking state, the second backboard 231 and the second hip fixing plate 232 and the second calf plate 234 and the second foot plate 235 are respectively locked by a pair of gesture support electromagnetic bolts 241, and the gesture of the split wheelchair 2 is fixed after the bed and chair are separated, so that the stability of the use process of a patient is ensured.

The working process of the invention is as follows:

in the initial state, the fixed bed body 1 and the split wheelchair 2 are in a butt joint state, the bed body 1 is electrified to the wheelchair portion 2 through the contact type electrifying device 20, the butt joint locking mechanism 15 is in a locking state, the posture locking device 24 is in an unlocking state, and the bed plate 142 and the wheelchair plate 23 have no angle change and are parallel to the ground.

In the state of lifting the back and bending the legs, the back lifting push rod 171, the first leg bending push rod 181 and the two second leg bending push rods 182 synchronously move until the first backboard 1421 and the second backboard 231, the first thigh plate 1423 and the second thigh plate 233, the first calf plate 1424 and the second calf plate 234 synchronously lift at a certain angle, and simultaneously the first foot plate 1425 and the second foot plate 235 keep consistent angles with the first thigh plate 1423 and the second thigh plate 233 under the linkage of the leg bending connecting rods 184 at two sides

Realizing the back lifting and leg bending movement of the patient.

In the state of rotating into a chair, the bed plate 142 and the wheelchair plate 23 are adjusted to a proper angle under the action of the back lifting push rod 171, the first leg bending push rod 181 and the second leg bending push rod 182, the rotating device 162 is linked with the rotating support 161 to drive the rotatable bed 14 and the wheelchair plate 23 to rotate 90 degrees anticlockwise, and in the process, the arc sliding bar 211 at the bottom of the wheelchair alignment plate 21 slides along the arc positioning groove 221 to realize the butt joint of the wheelchair alignment plate 21, the wheelchair plate 23 and the wheelchair bottom shell 22; after the rotation of the fixed bed 1 and the split wheelchair 2 is completed, the first leg bending push rod 181 drives the first thigh plate 1423 and the second thigh plate 233, and the second leg bending push rod 182 drives the first calf plate 1424 and the second calf plate 234 to descend to a comfortable angle.

The bed and chair rotates to enter a bed and chair separation state after the chair is finished, the butt-joint lock mechanism 15 is in an unlocking state, the male end 2421 and the female end 2422 are not contacted, the contact type electrifying device 242 is powered off, the split wheelchair 2 and the fixed bed body 1 are not in adsorption connection relation, the rotary positioning electromagnetic bolt 25 is powered off, the lock tongue stretches out into the electromagnetic bolt jack, the gesture locking device 24 is in a locking state, the wheelchair plate 23 is in a fixed sitting posture angle, positioning of the wheelchair rotary posture is realized, and finally, the split wheelchair 2 is pulled out by workers.

After the bed and chair separation state is finished, the bed and chair combination state is entered, the split wheelchair 2 is pushed back into the U-shaped accommodating cavity along the guide sliding rail 19 by a nursing staff, at this time, the round positioning empty slots 212 on two sides of the wheelchair alignment plate 21 and the cylindrical butt joint strip 1613 form a plug-in connection, the male end 2421 is contacted with the female end 2422, the contact type electrifying device 242 is electrified, the rotary positioning electromagnetic plug 25 is electrified, the lock tongue stretches back, the gesture locking device 24 is unlocked, the butt joint locking mechanism 15 is locked, at this time, the wheelchair plate 23 and the bed plate 142 are connected through the lock connection mechanism 15, the first curved leg push rod 181 drives the first thigh plate 1423 and the second thigh plate 233, the second curved leg push rod 182 drives the first calf plate 1424 and the second calf plate 234 to be lifted to a proper angle, the rotary device 162 drives the rotatable support frame 161, the rotatable bed surface 14 and the wheelchair plate 23 to rotate clockwise by 90 degrees, and the back lifting push rod 171, the first curved leg push rod 181 and the second curved leg push rod 182 control the wheelchair plate 142 and the bed plate 142 to be parallel to the initial bed surface.

The present invention is illustrated by way of example and not limitation, and other variations to the disclosed embodiments, as would be readily apparent to one skilled in the art, are intended to be within the scope of the invention as defined in the claims.

Claims (7)

1. A split nursing bed chair with a rotatable bed plate, comprising: a fixed bed body and a split wheelchair; the bed body part comprises a bed head plate, a bed tail plate, a bed body frame, a bed body control box, a rotatable bed surface, a butt joint lock mechanism, a bed body rotating mechanism, a back lifting mechanism, a leg bending mechanism, a guide sliding rail and four supporting casters; the split wheelchair comprises a wheelchair alignment plate, a wheelchair bottom shell, a wheelchair plate, a gesture locking device, a rotary positioning electromagnetic bolt, four movable casters and a wheelchair pushing hand; the fixed bed body is combined with the split wheelchair through the butt joint locking mechanism and the electromagnetic locking mechanism to form a nursing bed, so that a lying state is realized; the bed body rotating mechanism can drive the rotatable bed surface and the wheelchair plate to integrally rotate for 90 degrees to form a sitting posture state, so that sitting posture turning is realized; in a sitting posture state, the split wheelchair can be separated from the fixed bed body to form an independent wheelchair.

2. The rotatable split wheelchair nursing bed according to claim 1, characterized in that the middle part of the side edge of the bed body frame is hollow from top to bottom to form a U-shaped accommodating cavity, the opening direction of the U-shaped accommodating cavity is vertical to the direction of the bed body, the split wheelchair is fixed in the U-shaped accommodating cavity through a butt joint lock mechanism in the combined state of the bed and the chair, guide sliding rails are arranged at two sides of the inner bottom of the U-shaped accommodating cavity vertical to the direction of the bed body, and the split wheelchair is assisted to be pulled out, separated and butted back. A rectangular empty frame is reserved at the bottom of the bed body frame in the direction vertical to the horizontal plane, and a fixed bed body rotating mechanism is supported; the bed body control box is positioned behind the bed body rotating mechanism and fixed with the bed frame and used for controlling the back lifting, leg bending movement and the contact type power-on device of the fixed bed body and the split wheelchair; the rotatable bed surface comprises two side guard plates and a bed plate; the bed board comprises a first back board, a first hip fixing board, a first thigh board, a first shank board and a first foot board, and an empty slot for accommodating the split wheelchair is reserved in the middle of the bed board and has the same width as the opening of the U-shaped accommodating cavity; the two side guard plates are respectively welded on two sides of the first hip fixing plate; the bed body rotating mechanism comprises a rotating support frame and a rotating device, wherein the first hip fixing plate is welded on the rotating support frame, and the center of the rotating support frame is fixed at the upper end of the rotating device.

3. The rotatable split wheelchair nursing bed according to claim 2, characterized in that the shape of the rotating support frame is an opening symmetrical semicircular arc, and the tail of the rotating support frame is provided with an opening with the same width as the U-shaped accommodating cavity for accommodating the split wheelchair; a cross beam is welded in the middle of the rotary support frame in the direction perpendicular to the opening, a rotary shaft is vertically welded in the middle of the cross beam downwards in a vertical mode, the bottom of the rotary shaft is of a hollow structure, and a rotary shaft gear is fixed on the outer portion of the rotary support frame; in addition, two cylindrical butt joint strips are symmetrically welded on the same horizontal plane with the cross beam in the vertical direction by taking the midpoint of the length of the cross beam as a reference, and the cylindrical butt joint strips face the opening direction of the rotary support frame and are in butt joint fit with a circular positioning empty groove on the back of the wheelchair alignment plate so as to drive the wheelchair plate to return or rotate separately; the bottom of the rotary support frame is provided with a support universal ball which supports the rotatable bed surface to rotate and move on the surface of the bed body frame; the rotating device comprises a protective shell, a rotating motor, a motor shaft gear and a rotating bearing; an inner rotary shaft is fixed on the bed body frame and is matched with the inner diameter of the rotary bearing, and the hollow part of the rotary shaft is matched with the outer diameter of the rotary bearing; the motor shaft gear is fixedly connected to the rotary motor shaft and matched with the rotary shaft gear, so that the motor can drive the rotary shaft; the rotating motor, the motor shaft gear and the rotating bearing are all arranged in the protective shell. The protective housing is close to one side of U type holds the chamber opening direction.

4. The rotatable split wheelchair nursing bed of claim 1 characterized in that the back lifting mechanism comprises a back lifting push rod and a long connecting plate, wherein the long connecting plate is welded at the center position of the back side of the first back plate, the tail part of the back lifting push rod is hinged at the center position of the back side of the long connecting plate, and the head part of the back lifting push rod is hinged at one side of the rotating shaft; the leg bending mechanism comprises two first leg bending push rods, two second leg bending push rods, two short connecting plates and two leg bending connecting rods; the tail parts of the two first curved leg pushing rods are respectively hinged to two L-shaped supporting bars welded at the bottoms of the two sides of the rotary supporting frame, and the head parts of the two first curved leg pushing rods are respectively hinged to the two sides of the bottom of the first thigh plate; the tail parts of the two second curved leg pushing rods are respectively hinged to the two short connecting plates, and the head parts are respectively hinged to the tail ends of the openings of the rotary support frame; the two short connecting plates are respectively welded with the bottom surface of the inner side of the tail end of the first shank plate; the two ends of the two curved leg connecting rods are respectively hinged with the bottoms of the two sides of the first thigh plate and the bottoms of the two sides of the first foot plate, and the first thigh plate is connected with the first foot plate through the two curved leg connecting rods, so that the first thigh plate and the first foot plate are always in a parallel state, and comfort of a patient during posture conversion is guaranteed.

5. The rotatable split wheelchair care bed of claim 1 wherein the wheelchair plate comprises a second back plate, a second hip-securing plate, a second thigh plate, a second calf plate, a second foot plate, the second back plate and the second hip-securing plate, the second calf plate and the second foot plate each securing an angle between the wheelchair plates by an attitude locking means, the second hip-securing plate welded to a wheelchair locating plate; the bottom of the wheelchair alignment plate is provided with a protruding arc bar, two sides of the back of the wheelchair alignment plate are provided with embedded circular positioning empty slots, the embedded circular positioning empty slots are in butt joint with two cylindrical butt joint bars of the rotary support frame, and the rotary support frame drives the wheelchair alignment plate and the wheelchair plate to rotate into a sitting posture wheelchair state or rotate clockwise into a recumbent posture state when rotating anticlockwise; the upper surface of the wheelchair bottom shell is provided with an arc strip positioning groove, the lower surface of the second hip fixing plate is fixedly provided with an arc slide block, and when the wheelchair plate rotates along with the rotatable bed surface, the arc slide block slides along the arc strip positioning groove to restrict the rotation track of the wheelchair plate and simultaneously ensure that the wheelchair plate cannot be separated from the wheelchair bottom shell; the upper surface of the wheelchair bottom shell is welded with supporting balls, and the supporting balls assist the wheelchair to rotate; the lower surface of the second buttock fixing plate is embedded and fixedly provided with a rotary positioning electromagnetic bolt, the upper surface of the wheelchair bottom shell is embedded and fixedly provided with a rotary positioning electromagnetic bolt jack, when the wheelchair plate rotates to the wheelchair entering and exiting direction, the rotary positioning bolt is powered off, and the lock tongue extends into the rotary positioning electromagnetic bolt, so that the positioning of the wheelchair rotating posture is realized.

6. The rotatable split wheelchair care bed of claim 2, wherein the docking lock mechanism comprises a pair of wheelchair bottom shell return electromagnetic locks, a back plate fixed electromagnetic lock, and two pairs of gesture docking electromagnetic locks; the wheelchair bottom shell return electromagnetic lock comprises a pair of square magnet main bodies and a pair of square magnet suction plates, wherein the square magnet main bodies are fixed on two sides of the back of the wheelchair bottom shell, and the square magnet suction plates are fixed on two sides of the front of a protective shell of the rotating device; the backboard fixed electromagnetic lock comprises a strip-shaped magnet main body and a strip-shaped magnet suction plate; one end of the strip-shaped magnet main body is embedded and fixed at the center of the outer side of the long connecting plate, and one end of the strip-shaped magnet suction plate is embedded and fixed at the center of the inner side of the second backboard; the gesture butt-joint electromagnetic lock comprises two pairs of circular electromagnet main bodies and circular electromagnet suction plates, which are respectively embedded at the two sides of the second thigh plate and the two sides of the first thigh plate, and the two sides of the second foot plate and the two sides of the first foot plate; when the split wheelchair returns to the U-shaped accommodating cavity of the bed frame, the wheelchair bottom shell is connected with the fixed bed body, the first backboard is connected with the long connecting plate in an attracting way through the square magnet main body and the suction plate, and the long magnet main body is connected with the suction plate in an attracting way, so that the connection stability of the split wheelchair and the fixed bed body is ensured; after the bed chair is in butt joint, the two sides of the second thigh plate are connected with the two sides of the first thigh plate, and the two sides of the second foot plate are connected with the two sides of the first foot plate through the suction connection of the circular electromagnet main body and the suction plate, so that the gesture linkage of the bed plate and the wheelchair plate is realized.

7. The rotatable split wheelchair care bed of claim 2 wherein the attitude locking means comprises two pairs of attitude supporting electromagnetic latches, contact energization means; the contact type energizing device comprises a pair of male ends and a pair of female ends, the male ends are fixed at two ends of two cylindrical butt joint strips of the wheelchair alignment plate, and the female ends are fixed at the inner ends of circular empty slots at two sides of the wheelchair alignment plate; the attitude support electromagnetic bolt comprises an attitude locking electric bolt baffle plate, an electromagnetic lock baffle plate, an attitude locking electric bolt and an electromagnetic lock bolt, wherein the electromagnetic lock baffle plate is fixed in the attitude locking electric bolt baffle plate, and the electromagnetic lock bolt is fixed in the attitude locking electric bolt; the upper ends of the long side surfaces of the pair of gesture locking electric plug baffle plates are respectively welded with the two sides of the back surface of the second backboard, and the short side surfaces of the pair of gesture locking electric plug plates are respectively welded with the two sides of the back surface of the wheelchair alignment board; the upper ends of the long side surfaces of the pair of gesture locking electric plug baffle plates are respectively welded with the two sides of the lower end of the back side of the second calf plate, and the short side surfaces of the pair of gesture locking electric plug plates are respectively welded with the second foot plate. When the bed and chair are in butt joint, the male end and the female end are in contact with power on along with the fact that the wheelchair alignment plate is in butt joint with the cylindrical butt joint strip through the circular empty groove, the two pairs of gesture supporting electromagnetic bolts are unlocked, and the gesture butt joint electromagnetic lock is in a locking state; when the bed chair is separated, along with the circular empty slot of the wheelchair alignment plate is separated from the cylindrical butt joint strip, the male end and the female end are in contact with each other to be powered off, the gesture butt joint electromagnetic lock is unlocked, the gesture support electromagnetic bolt is in a locking state, the second backboard and the second hip fixing plate and the second calf plate and the second foot plate are respectively locked by angles through the gesture support electromagnetic bolt, and the gesture of the split wheelchair is fixed after the bed chair is separated, so that the stability of a patient in a using process is ensured.

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