CN111714305A - a nursing bed - Google Patents

Abstract

The invention creates and discloses a nursing bed, which comprises a top rectangular frame, a supporting column, a lower frame, an electric adjustment mechanism for a bed board, a turning cloth, a mattress, a supporting cloth rectangular frame and a sling; the supporting columns are respectively vertically fixed and installed on the top rectangular frame. The four top corners of the lower side of the frame; the four top corners of the lower frame are respectively fixed and installed at the same height position of the four support columns; the electric adjustment mechanism of the bed board is fixedly installed on the lower frame, and the mattress is laid on the bed board adjustment mechanism , The inclination angle of the mattress is adjusted in sections by the electric adjustment mechanism of the bed board. The nursing bed simplifies the top structure of the nursing bed, changes from the original all-inclusive structure to a four-corner socket structure, reduces the weight of the bed body, reduces the installation complexity, thereby reduces the cost and enhances the aesthetics.

Description

a nursing bed

technical field

The invention relates to an old-age care device, especially a nursing bed.

Background technique

At present, the existing nursing bed with a turning function has a complex structure, which requires a lot of manpower and heavy self-weight during installation and use, resulting in a relatively high cost of the nursing bed. Therefore, it is necessary to design a nursing bed with a relatively simple bed frame structure, which can be easily installed and used, reduce costs, and at the same time reduce its own weight.

Inventions and creations

The purpose of the invention is to provide a nursing bed with a relatively simple bed frame structure, which can be easily installed and used, reduce costs, and at the same time reduce its own weight.

In order to achieve the above purpose of the invention, the nursing bed disclosed by the invention includes: a top rectangular frame, a supporting column, a lower frame, an electric adjustment mechanism for the bed board, a turning cloth, a mattress, a rectangular frame for supporting cloth, and a sling;

The supporting column is vertically fixed and installed at the four top corners of the lower side of the top rectangular frame; the four top corners of the lower frame are respectively fixed and installed at the same height position of the supporting column; The mat is laid on the bed board adjustment mechanism, and the inclination angle of the mattress is adjusted in sections by the bed board electric adjustment mechanism; the turning cloth is laid on the mattress, and the side of the turning cloth is fixed on the rectangular frame of the supporting cloth at the corresponding position; A rotating shaft is installed horizontally under the front and rear side frames of the top rectangular frame; two rotary drive motors are arranged on the top rectangular frame for respectively driving the front and rear rotating shafts to rotate; Rewinding and unwinding rollers are fixedly arranged, the upper end of the sling is wound on the corresponding rewinding and unwinding roller, and the lower end of the sling is fixed on the frame on the corresponding side of the rectangular frame of the cloth support by detachable buckles.

Further, the number of suspenders is four, six or eight, and they are symmetrically arranged on the front and rear sides of the rectangular frame for supporting cloth.

Further, a foldable side guardrail mechanism is installed on the front and rear side frames of the lower frame; the side guardrail includes a lower lateral guardrail, an upper lateral guardrail and a positioning handle; the lower lateral guardrail is laterally fixed and installed On the lower frame and on the lower lateral guardrail bar, each lower side hinge seat is arranged at intervals; on each lower side hinge seat, a vertical guardrail bar is oscillating and hingedly installed; the positioning handle includes a bar-shaped mounting seat, a locking pin rod, unlocking rod, locking compression spring and rebounding compression spring; the bar-shaped mounting seat is fixedly installed on the lower side of one end of the upper lateral guardrail, and each upper hinged seat is also arranged at intervals on the lower side of the upper lateral guardrail; A boss is arranged on the lower side of the bar-shaped mounting seat, and a hinged slot is arranged at the end of the bar-shaped mounting seat; the upper end of each vertical guardrail is swing-type hingedly installed at the hinged slot at the corresponding position and each upper side On the hinge seat; a bolt hole is laterally arranged in the bar-shaped mounting seat, one end of the bolt hole is connected with the hinge slot, and the locking pressure spring is installed in the other end of the bolt hole; the locking pin rod is inserted in the bolt hole, And the end of the locking pin is elastically pressed on the locking compression spring; the side of the end of the vertical guardrail in the hinged slot is provided with a positioning pin hole, and the end of the vertical guardrail is set as a semicircular end The locking spring is used to push the end of the locking pin into the positioning pin hole in time when the vertical guardrail swings to the vertical; an unlocking hole that is vertically connected to the bolt hole is vertically arranged on the boss; A cylindrical cavity is coaxially arranged in the middle of the hole, and the resilient compression spring is installed in the cylindrical cavity; the upper end of the unlocking rod is vertically inserted into the unlocking hole, and a The compression spring supports the disc; the resilient compression spring is elastically pressed on the upper side of the compression spring supporting disc; the upper end of the unlocking rod is provided with a lower pressing slope; the middle of the locking pin rod is provided with an unlocking through hole, and the unlocking through hole is One side of the hole wall is set to be in contact with the lower extrusion ramp and the upper extrusion ramp; when the unlocking lever moves up, the upper extrusion ramp is squeezed by the lower extrusion ramp to push the lock. The end of the pin rod disengages the dowel pin hole.

Further, the electric adjustment mechanism of the bed plate includes a first bed plate unit, a second bed plate unit, a third bed plate unit, a fourth bed plate unit and an electric support structure; the third bed plate unit is horizontally and fixedly installed on the lower frame; The side is hingedly mounted on the left side of the third bed board unit, the right side of the first bed board unit is hingedly mounted on the left side of the second bed board unit, and the left side of the fourth bed board unit is hingedly mounted on the third bed board On the right side of the unit; the electric support structure is used to synchronously drive the right side of the fourth bed unit and the left side of the second bed unit to lift up.

Further, the electric support structure includes electric telescopic rods, two linkage rods, two diagonal struts, two fixed support rods, and two U-shaped brackets; Two support rails are installed laterally on the U-shaped bracket; the upper ends of the two fixed support rods are fixedly installed under the left side of the second bed board unit, and a track wheel is rotatably installed on the lower ends of the two fixed support rods ;Two track wheels walk on two support rails respectively; two lower end hinged supports are arranged on the U-shaped bracket; the lower ends of the two diagonal struts are pivotally mounted on the two lower end hinged supports; two The upper ends of the diagonal struts are respectively swing-type hinged at the middle of the front and rear sides of the first bed board unit; a support hinge seat is arranged on the lower side of the third bed board unit, and the left end of the electric telescopic rod is swing-type hingedly installed on the support hinge seat; A longitudinal fixing rod is longitudinally fixed and installed at the bottom of the fourth bed plate unit through the lower fixing seat, and two linkage swing arms and a driving swing arm are vertically fixed on the longitudinal fixing rod; the two linkage swing arms are parallel to each other, The driving swing arm is located between the two linkage swing arms; the right ends of the two linkage rods are respectively pivotally mounted on the lower ends of the two linkage swing arms; the left ends of the two linkage rods are pivotally mounted on the two fixed support rods respectively On the lower end of the electric telescopic rod; the right end of the electric telescopic rod is pivotally mounted on the lower end of the driving swing arm.

Further, the lower frame includes two transverse support beams and each longitudinal support beam longitudinally arranged between the two transverse support beams; an end mounting plate is fixedly arranged at the left and right ends of the two transverse support beams; The external mounting plate is fixedly installed on the support column.

Further, the cloth-supporting rectangular frame is composed of two length-side support rods and two width-side support rods; the length-side support rods are composed of two length adjustment rods and an adjustment sleeve; the adjustment sleeve is fixedly installed on one length. The end of the adjusting rod and the opposite end of the other length adjusting rod are inserted into the adjusting sleeve; a positioning bolt is screwed and screwed on the adjusting sleeve, and the screw end of the positioning bolt is pressed against the length adjusting rod on the plug-in end.

Further, a headboard is installed between the two supporting columns on the left and between the two supporting columns on the right; a protective cover is fixedly installed at the four top corners of the top rectangular frame ;The rotary drive motor and the take-up and unwinding roller are located in the protective cover; a suspension rod is installed vertically in the middle of the front and rear side frames of the top rectangular frame; the middle of the two rotating shafts are respectively rotated and installed on the two suspension rods on the lower end.

Further, an equipment mounting plate is arranged on the left and right side frames of the top rectangular frame; a camera is arranged on the left equipment mounting plate; a control box is arranged on the right equipment mounting plate; There are emergency button, left up button, left down button, right up button, right down button, bed panel folding button and bed panel flat button; the controller, memory, WiFi communication module and various motors are arranged in the control box Drive circuit; the controller is respectively connected with the camera, the controller, the memory, the WiFi communication module, each motor drive circuit, the emergency button, the left up button, the left down button, the right up button, the right down button, the bed board folding button and the The bed board leveling button is electrically connected; the controller performs forward and reverse rotation driving of the two rotary drive motors through each motor drive circuit and retraction control of the bed board electric adjustment mechanism.

Further, an illuminating lamp is also arranged on the equipment mounting plate on the left; a voice modem and an illuminating electronic switch electrically connected to the controller are arranged in the control box; the illuminating electronic switch is connected in series on the power supply line of the illuminating lamp; The control box is provided with a pickup and a loudspeaker electrically connected with the voice modem; an acousto-optic alarm electrically connected with the controller is also provided on the equipment mounting plate on the right.

The beneficial effects created by the invention are as follows: the top structure of the nursing bed is simplified, and the original all-inclusive is changed to four-corner socket connection, which reduces the weight of the bed body, reduces the installation complexity, thus reduces the cost and enhances the aesthetics; The frame is directly installed on the four supporting columns, which simplifies the four supporting legs under the existing lower frame, which makes the installation convenient, reduces the cost of the nursing bed, and at the same time reduces its own weight.

Description of drawings

Fig. 1 is the overall structure schematic diagram created by the present invention;

Fig. 2 is the schematic diagram of the installation structure of the electric adjustment mechanism of the bed plate created by the present invention;

Fig. 3 is a schematic structural diagram of the electric adjustment mechanism of the bed board created by the present invention;

Fig. 4 is the sectional structure schematic diagram of the positioning handle created by the present invention;

FIG. 5 is a schematic diagram of the circuit structure created by the present invention.

Detailed ways

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

Example 1:

As shown in Figures 1-5, the nursing bed disclosed by the present invention includes: a top rectangular frame 1, four supporting columns 4, a lower frame, an electric adjustment mechanism for the bed board, a turning cloth 14, a mattress 13, a cloth support rectangular frame, and Four slings 16;

The four supporting columns 4 are respectively vertically fixed and installed at the four top corners of the lower side of the top rectangular frame 1; the four top corners of the lower frame are respectively fixed and installed at the same height position of the four supporting columns 4; It is fixedly installed on the lower frame, the mattress 13 is laid on the bed board adjustment mechanism, and the inclination angle of the mattress 13 is adjusted in sections by the bed board electric adjustment mechanism; the turning cloth 14 is laid on the mattress 13, and the side of the turning cloth 14 is It is fixed on the cloth support rectangular frame at the corresponding position; a rotating shaft 8 is horizontally rotatably installed under the front and rear side frames of the top rectangular frame 1; The rotary drive motor that the root rotating shaft 8 rotates; two rewinding and unwinding rollers are provided on the two rotating shafts 8, and the upper ends of the four slings 16 are respectively wound on the four rewinding and unwinding rollers, and the four slings 16 The lower end is fixed on the frame on the corresponding side of the rectangular frame of the cloth support through the detachable buckle 18 .

The top structure of the nursing bed is simplified, and the original all-inclusive is changed to a four-corner socket, which reduces the weight of the bed, reduces the installation complexity, reduces costs, and enhances aesthetics; by directly installing the lower frame on the four supporting columns 4, the four support legs under the existing lower frame are simplified, which makes installation convenient, reduces the cost of the nursing bed, and reduces its own weight;

Further, a foldable side guardrail mechanism is installed on the front and rear side frames of the lower frame. The side guardrail mechanism can be used to safely protect the front and rear sides of the nursing bed.

Further, the side guardrail includes a lower lateral guardrail 19, an upper lateral guardrail 20 and a positioning handle; the lower lateral guardrail 19 is laterally fixed and installed on the lower frame, and the lower lateral guardrail 19 is provided with various The lower hinge seat 21; a vertical guardrail bar 22 is pivotally mounted on each lower hinge seat 21; the positioning handle includes a bar-shaped mounting seat 40, a locking pin rod 47, an unlocking rod 44, a locking compression spring 51 and Rebound compression spring 56; the bar-shaped mounting seat 40 is fixedly installed on the lower side of one end of the upper lateral guardrail bar 20, and each upper hinged seat is also arranged at intervals on the lower side of the upper lateral guardrail bar 20; on the bar-shaped mounting seat The lower side of the 40 is provided with a boss 42, and the end of the bar-shaped mounting seat 40 is provided with a hinged slot 45; On the side hinge seat; a bolt hole 41 is laterally arranged in the bar-shaped mounting seat 40, one end of the bolt hole 41 is communicated with the hinge slot 45, and the locking compression spring 51 is installed in the other end of the bolt hole 41; the locking pin rod 47 is inserted into the latch hole 41, and the end of the locking pin rod 47 is elastically pressed on the locking compression spring 51; the side of the end of the vertical guardrail 22 in the hinge slot 45 is provided with a positioning pin hole 48, And the end of the vertical guardrail 22 is set as a semicircular end 46, and the locking compression spring 51 is used to push the end of the locking pin 47 into the positioning pin hole 48 in time when the vertical guardrail 22 swings to the vertical. In the middle; the boss 42 is vertically provided with an unlocking hole 43 that is vertically communicated with the latch hole 41; a cylindrical cavity 54 is coaxially provided in the middle of the unlocking hole 43, and the rebound compression spring 56 is installed in the cylindrical cavity 54; The upper end of the unlocking lever 44 is vertically inserted into the unlocking hole 43, and a compression spring supporting disk 55 is fixedly arranged on the unlocking lever 44 and located in the cylindrical cavity 54; the resilient compression spring 56 is elastically pressed against the compression spring supporting circle. On the upper side of the disk 55; a lower pressing slope 57 is arranged on the upper end of the unlocking lever 44; an unlocking through hole 49 is arranged in the middle of the locking pin lever 47, and one side of the hole wall of the unlocking through hole 49 is arranged with the lower side. The pressing slope 57 contacts the pressing upper pressing slope 50; when the unlocking lever 44 moves upward, the upper pressing slope 50 is pressed by the lower pressing slope 57, and the end of the locking pin rod 47 is pushed. part out of the positioning pin hole 48. The positioning handle can push the end of the locking pin 47 into the positioning pin hole 48 in time when the vertical guardrail 22 swings to the vertical, so as to realize the deployment and positioning of the side guardrail mechanism; after pressing the unlocking lever 44, the The lower pressing slope 57 squeezes the upper pressing slope 50, thereby pushing the end of the locking pin rod 47 out of the positioning pin hole 48, realizing the release of the end of the vertical guardrail bar 22, and facilitating the folding of the side guardrail ; Utilize the setting of the semicircular end 46, can facilitate the sliding of the end of the locking pin 47 when the end of the vertical guardrail 22 is rotated; Use the locking compression spring 51 to be able to slide the end of the locking pin 47 to the position Push the end of the locking pin rod 47 into the pin hole 48 in time to achieve quick locking.

Further, the electric adjustment mechanism of the bed plate includes a first bed plate unit 25, a second bed plate unit 26, a third bed plate unit 27, a fourth bed plate unit 28 and an electric support structure; the third bed plate unit 27 is horizontally and fixedly installed on the lower frame; The right side of the second bed unit 26 is hingedly mounted on the left side of the third bed unit 27, the right side of the first bed unit 25 is hingedly mounted on the left side of the second bed unit 26, and the fourth bed unit 28 The left side is hingedly mounted on the right side of the third bed unit 27; the electric support structure is used to synchronously drive the right side of the fourth bed unit 28 and the left side of the second bed unit 26 to lift up; A bed board unit 25, a second bed board unit 26, a third bed board unit 27, and a fourth bed board unit 28 are hingedly installed to form a bed board, which can facilitate the implementation of segmented tilting and folding, and meet the multi-angle support requirements of users.

Further, the electric support structure includes electric telescopic rods 33, two linkage rods 30, two diagonal struts 35, two fixed support rods 34 and two U-shaped brackets 39; the two U-shaped brackets 39 are fixedly installed on the lower frame. two support rails 38 are installed laterally on the two U-shaped brackets 39; the upper ends of the two fixed support rods 34 are fixedly installed under the left side of the second bed board unit 26, and the two fixed support rods 34 A rail wheel 37 is rotatably installed on the lower end of the U-shaped bracket 37; two rail wheels 37 walk on two supporting guide rails 38 respectively; The upper ends of the two diagonal struts 35 are respectively swing-type hinged on the middle of the front and rear sides of the first bed panel unit 25; on the lower side of the third bed panel unit 27 There is a supporting hinge seat 52, and the left end of the electric telescopic rod 33 is pivotally mounted on the supporting hinge seat 52; a longitudinal fixing rod 29 is longitudinally fixed and installed under the fourth bed board unit 28 through the lower fixing seat 53, and is longitudinally fixed in the longitudinal direction. Two linkage swing arms 32 and one drive swing arm 31 are vertically fixed on the fixed rod 29; the two linkage swing arms 32 are parallel, and the drive swing arm 31 is located between the two linkage swing arms 32; the two linkage rods 30 The right ends of the two linkage rods 30 are respectively swing-type hingedly installed on the lower ends of the two linkage swing arms 32; the left ends of the two linkage rods 30 are respectively swing-type hinged installation on the lower ends of the two fixed support rods 34; Mounted on the lower end of the drive swing arm 31 . The two rail wheels 37 are used to walk on the two support guide rails 38 respectively, so as to realize the lifting and supporting of the left side of the second bed board unit 26 when the two linkage rods 30 are pulled.

Further, the lower frame includes two lateral support beams 2 and each longitudinal support beam 24 longitudinally arranged between the two lateral support beams 2; Mounting plate 3 ; the end mounting plate 3 is fixedly mounted on the support column 4 . The end mounting plate 3 is used to fix and install on the support column 4 , thereby realizing the detachable and fixed installation of the end of the lateral support beam 2 .

Further, the cloth support rectangular frame is composed of two length side support rods and two width side support rods; the length side support rods are composed of two length adjustment rods 15 and an adjustment sleeve 17; the adjustment sleeve 17 is fixedly installed in the The end of one length adjusting rod 15 and the opposite end of the other length adjusting rod 15 are inserted into the adjusting sleeve 17; The end is pressed against the plug-in end of the length adjustment rod 15 . The combined length of the two length adjusting rods 15 can be adjusted according to the installation requirements on site by the arrangement of the adjusting sleeve 17 and the positioning bolt.

Further, a headboard 23 is installed between the two supporting columns 4 on the left and between the two supporting columns 4 on the right; A protective cover 11; the rotary drive motor and the take-up and unwinding rollers are located in the protective cover 11; a suspension rod 9 is vertically installed in the middle of the front and rear side frames of the top rectangular frame 1; the middle of the two rotating shafts 8 They are respectively rotatably mounted on the lower ends of the two suspension rods 9 . The headboard 23 can be used for structural strengthening and safety protection at both ends; the protective cover 11 can be used to protect the internal motor equipment; the suspension rod 9 can be used to enhance the structural strength of the rotating shaft 8 .

Further, a piece of equipment mounting plate 5 is provided on the left and right side frames of the top rectangular frame 1; a camera 7 is provided on the equipment mounting board 5 on the left side; a control box 12 is provided on the equipment mounting board 5 on the right side. The control box 12 is provided with an emergency button, a left-side up button, a left-side down button, a right-side up button, a right-side down button, a bed board folding button and a bed board flat button; the control box 12 is provided with a controller, Memory, WiFi communication module and various motor drive circuits; the controller is respectively connected with the camera 7, memory, WiFi communication module, various motor drive circuits, emergency button, left up button, left down button, right up button, right down The buttons, the folding button of the bed board and the flat button of the bed board are electrically connected; the controller performs forward and reverse rotation driving of the two rotary drive motors through each motor drive circuit and telescopic control of the electric telescopic rod 33 of the electric adjustment mechanism of the bed board. Using the setting of the emergency button, it is convenient for the user to make an alarm, and then the WiFi communication module will send the alarm information to the control center in time, and the control center will dispatch the nursing staff to rescue in time; the camera 7 can be used to collect video, and improve the real-time WiFi communication module. It is convenient for the control center to perform real-time video monitoring; using the left up button, left down button, right up button and right down button can respectively control the left and right rotary drive motors to perform forward and reverse work, so as to achieve The retracting and unwinding action of the sling 16; the use of the bed board folding button and the bed board flat button can facilitate the telescopic control of the electric telescopic rod 33.

Further, a lighting lamp 6 is also provided on the equipment mounting plate 5 on the left side; a voice modem electrically connected to the controller and an lighting electronic switch are arranged in the control box 12; the lighting electronic switch is connected in series with the power supply of the lighting lamp 6 On the line; the control box 12 is provided with a pickup and a speaker electrically connected with the voice modem; on the right equipment mounting plate 5 is also provided with an acousto-optic alarm 10 electrically connected with the controller. Using a voice modem, a pickup and a loudspeaker can realize voice collection and playback, meet the voice communication requirements between the user and the control center, and can also perform voice recognition control, realize voice control of the lighting 6, and voice control of emergency alarms, and When an emergency alarm occurs, the controller controls the audible and visual alarm 10 to give an audible and visual alarm.

In the nursing bed disclosed by the invention, the controller adopts an existing microprocessor module, such as an STM32 single-chip microcomputer module, to realize coordinated control; the memory adopts the existing memory, which can realize data storage; the speaker adopts the existing speaker, It is used to play voice, etc.; the pickup adopts the existing microphone module, which is used to collect sound signals; the voice modem adopts the existing voice modem, and can cooperate with the speaker and the pickup to realize the voice interaction between the user and the control center; sound and light The alarm device 10 adopts the existing sound and light alarm device for sound and light alarm; the WiFi communication module adopts the existing WiFi communication module for wireless access to the Internet, so that it can communicate with the control center through the network and send distress information and voice interaction; emergency button, left up button, left down button, right up button, right down button, bed panel folding button and bed panel leveling button all use existing button-type buttons; rotary drive motors all use existing buttons. Some stepping motors; the motor driving circuits all use the existing stepping motor driving circuits; the electric telescopic rod 33 adopts the existing electric telescopic rod to meet the driving requirements of the folding of the bed board; the lighting electronic switch adopts the existing triode switch circuit That is, it is used for on-off control of the power supply of the lighting lamp 6 under the control of the controller.

When the nursing bed created by the present invention is in use, the nursing staff can adjust the lifting height of the right side and the electric power of the bed board through the left ascending button, the left descending button, the right ascending button, the right descending button, the bed board folding button and the bed board flat button. Folding or leveling control of the adjustment mechanism; after the user presses the emergency button, the controller controls the sound and light alarm 10 to issue sound and light alarms, and sends the emergency alarm information to the control center through the WiFi communication module, which is convenient for the control center to dispatch Nursing staff perform emergency care; camera 7 collects user video in real time, and transmits it through the WiFi communication module, and the control center performs real-time video monitoring; the user can also perform voice control, for example, when the user shouts "turn on the light", the pickup will be used for collection. , after the voice modem is processed by the controller, if the recognized voice is an instruction to turn on the light, the lighting electronic switch is controlled to turn on the power of the lighting lamp 6; when the user presses the emergency button, the controller, speaker, The pickup, voice modem, and WiFi module establish a language channel with the control center, and users can directly interact with the control center by voice.

As mentioned above, although the invention has been shown and described with reference to specific preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A care bed, characterized in that: comprises a top rectangular frame (1), a supporting upright post (4), a lower side frame, a bed board electric adjusting mechanism, a turning cloth (14), a mattress (13), a cloth supporting rectangular frame and a hanging strip (16);

the supporting upright posts (4) are vertically and fixedly arranged at four top corners of the lower side surface of the top rectangular frame (1); four top angles of the lower side frame are respectively and fixedly arranged at the same height position of the supporting upright post (4); the bed board electric adjusting mechanism is fixedly arranged on the lower side frame, the mattress (13) is laid on the bed board adjusting mechanism, and the inclination angle of the mattress (13) is adjusted in a sectional mode by the bed board electric adjusting mechanism; the turning cloth (14) is laid on the mattress (13), and the side edge of the turning cloth (14) is fixed on the cloth supporting rectangular frame at the corresponding position; a rotating shaft (8) is transversely and rotatably arranged below the front side frame and the rear side frame of the top rectangular frame (1); two rotary driving motors for respectively driving the front rotary shaft (8) and the rear rotary shaft (8) to rotate are arranged on the top rectangular frame (1); the two rotating shafts (8) are fixedly provided with winding and unwinding rollers, the upper ends of the hanging strips (16) are wound on the corresponding winding and unwinding rollers, and the lower ends of the hanging strips (16) are fixed on the frames on the corresponding sides of the cloth supporting rectangular frames through detachable buckles (18).

2. The care bed of claim 1, wherein: the number of the hanging strips (16) is four, six or eight, and the hanging strips are symmetrically arranged on the front side and the rear side of the cloth supporting rectangular frame.

3. The care bed of claim 2, wherein: a foldable side guardrail mechanism is arranged on the front side frame and the rear side frame of the lower side frame; the side guardrail comprises a lower transverse guardrail rod (19), an upper transverse guardrail rod (20) and a positioning handle; the lower lateral guard rail (19) is transversely and fixedly arranged on the lower lateral frame, and each lower hinged seat (21) is arranged on the lower lateral guard rail (19) at intervals; a vertical guardrail rod (22) is hinged and installed on each lower hinged seat (21) in a swinging mode; the positioning handle comprises a strip-shaped mounting seat (40), a locking pin rod (47), an unlocking rod (44), a locking pressure spring (51) and a rebound pressure spring (56); the strip-shaped mounting seat (40) is fixedly mounted at the lower side of one end of the upper transverse guardrail rod (20), and each upper hinged seat is further arranged at the lower side of the upper transverse guardrail rod (20) at intervals; a boss (42) is arranged on the lower side of the strip-shaped mounting seat (40), and a hinged notch (45) is arranged at the end part of the strip-shaped mounting seat (40); the upper ends of the vertical guard rails (22) are hinged and installed on the hinge notches (45) at the corresponding positions and the hinge seats at the upper sides in a swinging mode; a bolt hole (41) is transversely arranged in the strip-shaped mounting seat (40), one end of the bolt hole (41) is communicated with the hinged notch (45), and a locking pressure spring (51) is arranged in the other end of the bolt hole (41); the locking pin rod (47) is inserted in the bolt hole (41), and the end part of the locking pin rod (47) is elastically pressed on the locking pressure spring (51); a positioning pin hole (48) is formed in the side edge of the end part of the vertical guardrail rod (22) in the hinged notch (45), the end part of the vertical guardrail rod (22) is provided with a semicircular end head (46), and the locking pressure spring (51) is used for timely pushing the end part of the locking pin rod (47) to be inserted into the positioning pin hole (48) when the vertical guardrail rod (22) swings to the vertical direction; an unlocking hole (43) vertically communicated with the bolt hole (41) is vertically arranged on the boss (42); a cylindrical cavity (54) is coaxially arranged in the middle of the unlocking hole (43), and a rebound pressure spring (56) is arranged in the cylindrical cavity (54); the upper end of the unlocking rod (44) is vertically inserted into the unlocking hole (43), and a pressure spring supporting disc (55) is fixedly arranged on the unlocking rod (44) and positioned in the cylindrical cavity (54); the rebound pressure spring (56) is elastically pressed on the upper side surface of the pressure spring support disc (55); a lower side extrusion slope surface (57) is arranged at the upper end of the unlocking rod (44); an unlocking through hole (49) is formed in the middle of the locking pin rod (47), and the hole wall of one side of the unlocking through hole (49) is provided with an upper side extrusion slope surface (50) which is in contact with and extruded by a lower side extrusion slope surface (57); when the unlocking rod (44) moves upwards, the lower side extrusion slope surface (57) extrudes the upper side extrusion slope surface (50) to push the end part of the locking pin rod (47) to be separated from the positioning pin hole (48).

4. The care bed of claim 1, wherein: the bed board electric adjusting mechanism comprises a first bed board unit (25), a second bed board unit (26), a third bed board unit (27), a fourth bed board unit (28) and an electric supporting structure; the third bed board unit (27) is horizontally and fixedly arranged on the lower side frame; the right side edge of the second bed board unit (26) is hinged to the left side edge of the third bed board unit (27), the right side edge of the first bed board unit (25) is hinged to the left side edge of the second bed board unit (26), and the left side edge of the fourth bed board unit (28) is hinged to the right side edge of the third bed board unit (27); the electric supporting structure is used for synchronously driving the right side edge of the fourth bed board unit (28) and the left side edge of the second bed board unit (26) to tilt upwards.

5. The care bed of claim 4, wherein: the electric support structure comprises an electric telescopic rod (33), two linkage rods (30), two inclined support rods (35), two fixed support rods (34) and two U-shaped brackets (39); two U-shaped brackets (39) are fixedly arranged below the lower side frame, and two supporting guide rails (38) are transversely arranged on the two U-shaped brackets (39); the upper ends of the two fixed support rods (34) are fixedly arranged below the left side edge of the second bed board unit (26), and the lower ends of the two fixed support rods (34) are respectively provided with a track wheel (37) in a rotating mode; the two track wheels (37) respectively run on the two support guide rails (38); two lower end hinged supports (36) are arranged on the U-shaped bracket (39); the lower ends of the two inclined support rods (35) are hinged on the two lower end hinged supports (36) in a swinging mode; the upper ends of the two inclined support rods (35) are respectively hinged to the middle parts of the front side and the rear side of the first bed board unit (25) in a swinging mode; a supporting hinge seat (52) is arranged on the lower side of the third bed board unit (27), and the left end of the electric telescopic rod (33) is installed on the supporting hinge seat (52) in a swing-type hinge manner; a longitudinal fixing rod (29) is longitudinally and fixedly arranged below the fourth bed board unit (28) through a lower side fixing seat (53), and two linkage swing arms (32) and a driving swing arm (31) are vertically and fixedly arranged on the longitudinal fixing rod (29); the two linkage swing arms (32) are parallel, and the driving swing arm (31) is positioned between the two linkage swing arms (32); the right ends of the two linkage rods (30) are respectively arranged on the lower ends of the two linkage swing arms (32) in a swing-type hinged manner; the left ends of the two linkage rods (30) are respectively arranged on the lower ends of the two fixed support rods (34) in a swing-type hinged manner; the right end of the electric telescopic rod (33) is hinged on the lower end of the driving swing arm (31).

6. The care bed of claim 1, wherein: the lower side frame comprises two transverse supporting beams (2) and longitudinal supporting beams (24) which are longitudinally arranged between the two transverse supporting beams (2); an end mounting plate (3) is fixedly arranged at the left end and the right end of each of the two transverse supporting beams (2); the end mounting plate (3) is fixedly mounted on the support upright post (4).

7. The care bed of claim 1, wherein: the cloth supporting rectangular frame consists of two length side supporting rods and two width side supporting rods; the length side supporting rod consists of two length adjusting rods (15) and an adjusting sleeve (17); the adjusting sleeve (17) is fixedly arranged at the end part of one length adjusting rod (15), and the opposite end part of the other length adjusting rod (15) is inserted in the adjusting sleeve (17); a positioning bolt is screwed on the adjusting sleeve (17) in a threaded manner, and the end part of a screw rod of the positioning bolt is pressed on the insertion end part of the length adjusting rod (15).

8. The care bed of claim 1, wherein: a bed head baffle (23) is respectively arranged between the two supporting upright columns (4) on the left side and between the two supporting upright columns (4) on the right side; a protective cover shell (11) is fixedly arranged at four top corners of the top rectangular frame (1); the rotary driving motor and the winding and unwinding roller are both positioned in the protective housing (11); a suspension rod (9) is vertically arranged in the middle of the front side frame and the rear side frame of the top rectangular frame (1); the middle parts of the two rotating shafts (8) are respectively and rotatably arranged on the lower ends of the two suspension rods (9).

9. The care bed of claim 1, wherein: the left side frame and the right side frame of the top rectangular frame (1) are respectively provided with an equipment mounting plate (5); a camera (7) is arranged on the equipment mounting plate (5) on the left side; a control box (12) is arranged on the right equipment mounting plate (5); an emergency key, a left ascending key, a left descending key, a right ascending key, a right descending key, a bed board folding key and a bed board leveling key are arranged on the control box (12); a controller, a memory, a WiFi communication module and various motor driving circuits are arranged in the control box (12); the controller is respectively electrically connected with the camera (7), the controller, the memory, the WiFi communication module, each motor driving circuit, the emergency key, the left ascending key, the left descending key, the right ascending key, the right descending key, the bed board folding key and the bed board leveling key; the controller respectively drives the two rotary driving motors to rotate forward and backward through each motor driving circuit and controls the retraction of the bed board electric adjusting mechanism.

10. The care bed of claim 1, wherein: an illuminating lamp (6) is also arranged on the equipment mounting plate (5) on the left side; a voice modem and an electronic lighting switch which are electrically connected with the controller are arranged in the control box (12); the lighting electronic switch is connected in series with a power supply circuit of the lighting lamp (6); a sound pick-up and a loudspeaker which are electrically connected with the voice modem are arranged on the control box (12); and an audible and visual alarm (10) electrically connected with the controller is also arranged on the equipment mounting plate (5) on the right side.

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