KR20230063470A - Bed robot for preventing bedsores - Google Patents

Abstract

The present invention relates to a bed robot for preventing bedsores which can be used not only by general patients but also by elderly patients, debilitated patients, paralyzed patients, unconscious patients, post-surgical patients, and other critically ill patients who cannot change their positions on their own, which can provide functionality to selectively adjust the height of the bed, the inclination of the head or legs, the standing angle of the backrest or legs, the two-stage folding of the shins and thighs, and the left and right tilt of the bed, and effectively prevents patients from falling when adjusting the left and right tilt of the bed. It simplifies the configuration and ensures safety, and in particular, it helps prevent bedsores by periodically changing the position of critically ill patients who cannot change their position on their own. That is, the present invention comprises: a transport cart equipped with wheels with a brake function; first and second tilting and height adjusting means installed in front of the transport cart, and third tilting and height adjusting means installed in the rear of the transport cart; an lifting platform plate installed above the first to third tilting and height adjusting means; and a bed top plate which is installed on the lifting platform plate and has a mattress raised on the upper side.

Description

Bed robot for preventing bedsores {Bed robot for preventing bedsores}

The present invention relates to a bed robot for preventing bedsores that can be used not only by general patients but also by elderly patients, weak patients, paralyzed patients, unconscious patients, and critically ill patients who are unable to change their position by themselves, such as postoperative conditions. More specifically, Functions such as height adjustment, head or leg inclination adjustment, backrest or leg standing angle adjustment, shin and thigh double folding, left and right tilt adjustment of the bed, etc. This is to effectively prevent the patient from falling during adjustment, to simplify the configuration and to ensure safety, and to help prevent pressure sores by periodically providing position change for critically ill patients who cannot change their position on their own. It is intended to provide a bed robot for preventing bedsores.

Elderly patients, frail patients, paralyzed patients, unconscious patients, and critically ill patients who cannot change their position on their own due to postoperative conditions must be assisted by a caregiver or guardian to change the position of the patient at least every 1 to 2 hours. Since bedsores occur, you need to change your position at regular intervals and keep the area around your skin clean and dry.

To this end, medical beds of various configurations have been provided.

As a representative example, a medical bed of Republic of Korea Patent Registration Publication (B1) 10-0947374 (2010.03.15.) is proposed, and its configuration is formed with a pair of mutually opposing fixtures on both side walls of the inner center, and each bottom A bed frame having a leg having a moving roller installed at a corner portion, a plurality of ocher bed units, and a separation prevention unit formed on both sides to prevent the ocher bed unit from leaving; a support plate installed on the loess bed unit to support the loess bed unit; A head part installed on the support plate, a body part extending from the lower side of the head part and guiding the elevation of the ocher bed unit, and a body part extending from the lower side of the body part and seated on the upper side of the elastic spring and inside the lifting member. an elevating unit composed of a seating portion for applying pressure to the space and installed in a state maintaining a constant height from the floor; an elevating member installed at an upper end of the bed frame, having an elastic spring disposed therein, having an inlet through which hydraulic and pneumatic pressure is injected and discharged, and vertically moving the elevating unit in up and down directions; A drip tray located in the inner space of the bed frame, having wheels installed at each corner of the bottom surface, and having a bottom surface with a constant slope; An angle adjustment means installed on the bed frame for angular movement of the bed frame;

As another example, a medical bed of Republic of Korea Patent Registration Publication (B1) 10-1493467 (2015.02.16.) has been proposed, the configuration of which is a lower frame; an upper frame detachably installed to the lower frame; a patient support frame rotatably installed on the upper frame to support the upper or lower body of the patient and rotating while moving to one side or the other side of the upper frame; a patient seat coupled to the patient support frame so that the patient can lie down; and an upper frame elevating unit connecting the lower frame and the upper frame and elevating the upper frame from the lower frame, wherein the upper frame elevating unit includes: a first driving member installed on the lower frame; a first rotating unit rotatably installed on the lower frame to be connected to the first driving member; a second rotation unit rotatably installed on the lower frame to interlock with the first rotation unit; and a link portion connecting the second rotation unit and the upper frame and folding the second rotation unit through rotation to elevate the upper frame.

In the case of the conventional medical beds described above, most of them are composed of a configuration capable of realizing functions such as raising the patient's upper body, lifting the legs, or adjusting the height of the bed. In addition, a multifunctional medical bed that can be modified and used for wheelchair use as needed has been required.

Accordingly, the present inventor has provided a medical bed of Republic of Korea Patent Publication (A) 10-2021-0060031 (May 26, 2021) in order to solve the above problems.

In the case of the prior art described above, a transfer cart equipped with wheels having a brake function to the lower side; a first actuator for height adjustment installed in front of the transfer cart and a second actuator for height adjustment installed in front of the transfer cart; first and second bracket members installed to be rotated by the first and second actuators for height adjustment; a pair of support shafts installed on the first and second bracket members so as to be supported by bearings that can be drawn out in the axial direction; an elevating member coupled to the support shaft; It is configured to include a bed top plate installed in a fixed state to the elevating member.

However, in the case of the above configuration, there is a disadvantage such as an increase in manufacturing cost due to a complicated configuration, and improvement thereof is required.

KR 100947374 B1 2010.03.15. KR 101493467 B1 2015.02.16. KR 1020210060031 A 2021.05.26.

Accordingly, the present inventor researched and developed the present invention to provide a bed robot having a pressure sore prevention function that eliminates all the problems of conventional medical beds.

That is, the present invention has completed the present invention with the technical task of simplifying the configuration so that the lifting operation and tilting operation can be performed by the first to third tilting and height adjusting means in constructing the bed robot for preventing bedsores.

In addition, by combining the fall prevention device standing at the boundary between the back support plate and the leg support plate to prevent the patient from falling by operating according to the inclination of the platform, the position of critically ill patients who cannot change their position on their own is periodically changed. The present invention has been completed with the technical problem of the invention in providing a bed robot for preventing bedsores that can be safely provided to help prevent bedsores.

As a means of solving the problem, in the present invention

First, a transfer cart equipped with wheels having a brake function to the lower side; first and second tilting and height adjusting means installed at the front of the transfer cart and third tilting and height adjusting means installed at the rear; Elevator plates installed above the first to third tilting and height adjusting means; It is installed on the hoist board and is characterized in that it includes a bed top plate on which the mattress is raised upward.

Second, the first to third tilting and height adjusting means; a support shaft installed on the lower side of a pair of fixing brackets provided on the transfer cart; a rotating member that is coupled to the support shaft and rotates; an actuator for tilting and height adjustment coupled to the rotational member and the transfer cart so that both ends can be rotated with pins; a tilting and height-adjusting shock absorber coupled to the rotational member and the transfer carriage with pins at both ends so as to be positioned above the actuator for tilting and height-adjusting; A first link whose lower end is coupled to the support shaft and rotates together with the rotating member; a second link, the lower end of which is rotatably coupled to the upper end of the first link by a pin, and the upper end is rotatably coupled to a bracket provided on the platform to be rotated by a pin; It is characterized in that the lower end is rotatably coupled to the upper side of the fixing bracket provided in the transfer cart and the upper end includes a third link coupled with a pin to the upper side where the first link and the second link are coupled with a pin.

Thirdly, the coupling of the second link and the brackets provided on the platform is characterized in that they are combined in a cross shaft like a universal joint.

Fourth, the cross shaft coupled to the second link of the first tilting and height adjusting means is provided with a slide block for forward and backward movement that slides in the longitudinal direction of the elevation plate along the guide rod installed on the elevation plate, and is installed on the slide block for forward and backward movement It is coupled to a bracket coupled to a slide block for left and right movement that slides along the guide rod in the width direction of the platform; The cross shaft coupled to the second link of the second tilting and height adjusting means is coupled to a bracket coupled to a slide block for left and right movement that slides in the width direction of the elevator platform along a guide rod installed on the elevator platform.

Fifth, the bed top plate is characterized in that it is divided into a hip support plate fixed to the elevator board, a back support plate and a leg support plate that are laid or erected.

Sixth, the backrest support plate is provided with a backrest support frame rotatably coupled to the butt support frame provided at both edges of the buttock support plate, and both ends of the backrest support plate are rotated. configured to be erected or laid down by;

The leg support plate is divided into a thigh support plate and a calf support plate; A thigh support frame rotatably coupled to the butt support frame provided at both edges of the buttock support plate and a calf support frame rotatably coupled to the thigh support frame are provided; It is characterized in that it is erected or laid down by an actuator for a thigh support plate installed so that both ends are rotated on the elevator platform and the thigh support plate and an actuator for a calf support plate installed so that both ends are rotated on the elevator platform and the calf support plate.

Seventh, a rotation shaft is installed on the left and right sides of the elevator plate in the longitudinal direction of the bed, and a butt support plate and a fall prevention device standing up at the boundary between the back support plate and the leg support plate are coupled to the rotation shaft; It is characterized in that a rotational sphere is coupled to one end of the rotation shaft, and an actuator for preventing a fall is installed between the rotational sphere and the elevator plate.

In the case of using the bed robot for preventing bedsores provided by the present invention, the following effects are obtained.

-The bed top is divided into a back support plate, a butt support plate, and a leg support plate, and the leg support plate is divided into a thigh support plate and a calf support plate, and the first to third tilting and height adjustment means are operated individually or simultaneously to move the bed top plate. It can be raised or lowered, or the inclination of the head or legs can be adjusted, or tilted in the width direction.

-The backrest support plate and calf support plate can be operated individually or in combination to raise the back support plate, or the thigh support plate and calf support plate can be used by standing up in various ways, so the bed top can be varied and used according to the purpose of use.

-Because the bed top can be tilted in the width direction, it is possible to reduce the occurrence of bedsores by easily turning patients with difficulty in movement.

- Since the leg support plate can be bent in two stages, the leg can be lifted and supported at a predetermined angle in case of a leg fracture.

-It is possible to safely provide periodic and safe position changes for critically ill patients who cannot change their position by themselves through the combination of the anti-fall device standing at the boundary between the back support plate and the leg support plate.

1 is an external perspective view showing a preferred embodiment of a bed robot for preventing bedsores provided by the present invention
Figure 2 is a front view of a bed robot for preventing bedsores provided by the present invention
3 is a side view of a bed robot for preventing bedsores provided by the present invention
4 is a plan view of a bed robot for preventing bedsores provided by the present invention
5 is a perspective view of the first to third tilting and height adjusting means in the present invention;
6 is a front view of FIG. 5 and a state in which first to third tilting and height adjusting means are lowered;
7 is a front view of FIG. 5 and a state in which first to third tilting and height adjusting means are raised;
8 is a perspective view showing a cross-axis coupling state in the first tilting and height adjusting means in the present invention;
Figure 9 is a perspective view showing a cross-axis coupled state in the second tilting and height adjusting means in the present invention
10 is a perspective view showing a cross-axis coupling state in a third tilting and height adjusting means in the present invention;
11 is a bottom perspective view of a bed top plate applied to the present invention
12 is a plan view of a bed top plate applied to the present invention
Figure 13 is a side view showing the operating state of the backrest plate in the bed top plate applied to the present invention
14 and 15 are side views showing the operating state of the leg support in the bed top plate applied to the present invention
16 is a perspective view of an excerpt of the fall prevention device applied to the present invention
17 is a plan view showing the disposition of the fall prevention device of the present invention
18 is a side cross-sectional view showing an operating state of the fall prevention device of the present invention
19a to 19h are state diagrams in which the bed robot for preventing bedsores provided by the present invention is changed into various shapes;

Hereinafter, a preferred embodiment of the bed robot for preventing bedsores provided by the present invention will be described based on the accompanying drawings.

1 is a perspective view showing a preferred embodiment of a bed robot for preventing bedsores provided by the present invention, FIG. 2 is a front view of the bed robot for preventing bedsores provided by the present invention, and FIG. A side view of the bed robot for preventing bedsores, and FIG. 4 is a plan view of the bed robot for preventing bedsores provided by the present invention, respectively.

As shown in the figure, the bed robot 1 for preventing bedsores provided by the present invention includes a transfer cart 2 and first to third tilting and height adjusting means 3 (3') (3") on the upper side of the transfer cart 2. ) and the bed top plate 5 above the first to third tilting and height adjusting means 3 (3') (3").

In the transfer cart 2, wheels 22 are installed in all directions below the bogie frame 21 to provide mobility, and brakes 23 are installed on the bogie frame 21 so as to be exposed to the outside so that they are installed in all directions. It is possible to brake the wheel 22 to ensure mobility and to fix the wheel 22 at a specific location.

First to third tilting and height adjusting means (3) (3') (3") are installed on the upper side of the bogie frame 21, and the first to third tilting and height adjusting means (3) (3') (3"), the first tilting and height adjusting means (3) is installed in the front (head side), and the second and third tilting and height adjusting means (3') (3") are installed in the rear (foot side). , installed symmetrically on the front and rear.

In addition, the first to third tilting and height adjusting means 3 (3') (3") are installed so that the elevator platform 4 can be lifted or tilted, and to the upper side of the elevator platform 4 It is provided in a configuration in which a bed top plate 5 on which a mattress is raised is installed.

5 is a perspective view of the first to third tilting and height adjusting means in the present invention, and FIG. 6 is a front view of FIG. 5 in which the first to third tilting and height adjusting means are lowered, FIG. 7 is a front view of FIG. 5 showing a state diagram in which the first to third tilting and height adjusting means are raised.

The first to third tilting and height adjusting means (3) (3') (3") provided by the present invention have a pair of fixing brackets (31) installed on the transfer cart (2), and the fixing brackets (31) ), the support shaft 32 is installed.

A rotating member 33 is coupled to the support shaft 32, one end of the actuator 34 for tilting and height adjustment is coupled to the rotary member 33, and the other end of the actuator 34 for tilting and height adjustment is the transfer cart 2 ) is bound to At this time, both ends of the actuator 34 for tilting and height adjustment are rotatably coupled to the transfer cart 2 and the rotating member 33 with pins, respectively.

In addition, on the upper side of the actuator 34 for tilting and height adjustment, a shock absorber 35 for tilting and height adjustment coupled to the rotating member 33 and the transfer cart 2 so as to be rotated with pins is installed to adjust the actuator for tilting and height adjustment It assists the operation of (34) and enables buffer operation.

The lower end of the first link 36 is coupled to the support shaft 32 to rotate together with the rotating member 33, and the upper end of the first link 36 is a bracket provided on the platform 4. The lower end of the second link 37 rotatably coupled to (41) with a pin is coupled so as to be rotated. At this time, as a preferred example of combining the upper end of the second link 37 and the bracket 41 provided on the platform 4, the cross shaft 6 is used to form a universal joint.

In addition, both ends of the third link 38 are rotatably coupled to the upper side of the fixing bracket 31 and the upper side where the first link 36 and the second link 37 are coupled with pins so as to rotate the first and third links. (36) (38) is configured like a 4-bar link.

8 is a perspective view showing a cross-axis coupled state in the first tilting and height adjusting means in the present invention, and FIG. 9 shows a cross-axis coupled state in the second tilting and height adjusting means in the present invention. A perspective view, FIG. 10 is a perspective view showing a cross-axis coupled state in the third tilting and height adjusting means in the present invention.

In the case of the first to third tilting and height adjusting means (3) (3') (3") provided in the present invention, the function of tilting the bed top plate (5) in the front and rear and left and right along with the function of lifting the upper part is provided. , This is achieved by combining the second link 37 and the bracket 41 provided on the platform 4, in the present invention, the first to third tilting and height adjusting means 3 (3') (3) The second link 37 of ") is coupled by a different configuration so that tilting can be performed in the front, rear, left and right directions.

First, the cross shaft 6 coupled to the second link 37 of the first tilting and height adjusting means 3 is coupled to the bracket 41 installed on the platform 4 as shown in FIG. 8 .

Next, the cross shaft 6 coupled to the second link 37 of the second tilting and height adjusting means 3' moves along the guide rod 7 installed on the platform 4 as shown in FIG. A slide block (8) for forward and backward movement that slides in the longitudinal direction of (4) is installed, and a left and right slide block (8) slides in the width direction of the hoist plate (4) along the guide rod (9) installed on the slide block (8) for forward and backward movement. By coupling the bracket 41 to the slide block 10 for movement, the bracket 41 is provided in a state in which it moves forward, backward, left and right, and the cross shaft 6 is coupled to the bracket 41.

The cross shaft 6 coupled to the second link 37 of the third tilting and height adjusting means 3" moves along the guide rod 7 installed on the platform 4 as shown in FIG. It is coupled to the bracket 41 coupled to the slide block 10 for left and right movement that slides in the width direction of.

As described above, according to the combination of the first to third tilting and height adjusting means (3) (3') (3") and the elevator board (4), they are connected by a universal joint configuration using the cross shaft (6), so that the elevator platform In addition to the natural lifting operation of the plate 4, as shown in FIG. 9, the slide block 10 for horizontal movement coupled to the slide block 8 for forward and backward movement moves in the longitudinal direction of the elevation plate 4 and moves in the width direction. ) and, as shown in FIG. 10, the slide block 10 for left and right movement moving in the width direction of the platform 4 is coupled with the second and third tilting and height adjusting means 3' and 3". The left and right tilting operation of the plate 4 can be performed.

Figure 11 is a bottom perspective view of the bed top applied to the present invention, Figure 12 is a plan view of the bed top applied to the present invention, Figure 13 is a side view showing the operating state of the backrest plate in the bed top applied to the present invention, Figure 14 15 is a side view showing the operating state of the leg support in the bed top plate applied to the present invention, respectively.

The bed top plate 5 provided in the present invention is provided in a configuration installed on the upper part of the elevator board 4, fixing the hip support plate 51 to the elevator board 4, and lying or standing on one side thereof It is divided into a configuration in which a backrest support plate 52 is installed and a leg support plate 53 that is laid or erected on the other side is installed.

The back support plate 52 is provided with a back support frame 52-1 rotatably coupled to the butt support frame 51-1 provided on both side edges of the butt support plate 51.

In addition, the actuator 56 for the backrest plate and the shock absorber 57 for the backrest plate are configured to be erected or laid down on the elevator platform 4 and the backrest plate 52 so that both ends are rotated.

The backrest plate frame 52-1 can be configured by dividing it into two halves if necessary, and one end of the actuator 56 for the backrest plate and the shock absorber 57 for the backrest plate is a platform in close proximity to the butt plate 51 The backrest plate ( 52) and the horizontal state or as shown in FIG. 13, the backrest plate 52 can be erected at a predetermined angle.

The leg support plate 53 is divided into a thigh support plate 54 and a calf support plate 55, and the thigh support is rotatably coupled to the butt support frame 51-1 provided on both sides of the butt support plate 51. It consists of a configuration including a frame 54-1 and a calf support frame 55-1 rotatably coupled to the thigh support frame 54-1.

In addition, the actuator 58 for the thigh support plate installed to rotate both ends of the elevator plate 4 and the thigh support plate 54 and the actuator 59 for the calf support plate installed to rotate both ends of the elevator platform 4 and the calf support plate 55 ) to be erected or laid down by

The elevator board (4) side coupling of the actuator (58) for the thigh support plate installed so that both ends are rotated on the elevator platform (4) and the thigh support plate (54) is located below the buttock support plate (51), and the elevator platform (4) and the calf The actuator 59 for the calf support plate installed so that both ends are rotated on the support plate 55 is configured to be located on the lower side of the calf support plate 55.

When the leg support is configured as described above, the thigh support plate 54 and the calf support plate 55 are in a horizontal state based on the back support plate 52, and the leg support plate 53 and FIG. 14 are erected at a predetermined angle or as shown in FIG. In a state where the thigh support plate 54 is erected, the calf support plate 55 can be laid down to provide the leg support plate 53 in a 'b' shape.

16 is a perspective view of an extract of the anti-fall device applied to the present invention, FIG. 17 is a plan view showing the arrangement of the anti-fall device of the present invention, and FIG. 18 is a cross-sectional side view showing an operating state of the anti-fall device of the present invention. it did

The bed robot 1 for preventing bedsores provided in the present invention further includes a fall prevention device 11.

In the anti-fall device 11 provided in the present invention, the rotation shaft 12 is installed on the left and right sides of the platform 4 in the longitudinal direction of the bed. The rotating shaft 12 rotates while being supported by a bearing support installed on the platform 4.

The rotation shaft 12 is coupled with the buttock support plate 51 and the fall prevention device 11 standing between the gaps formed at the boundary between the back support plate 52 and the leg support plate 53 so as to rotate together with the rotation shaft 12 do. The fall prevention device 11 includes a configuration in which a locking piece is formed in the longitudinal direction of the bed on the opposite side coupled to the rotation shaft 12.

In addition, a pivoting member 12a is coupled to one end of the rotating shaft 12, and an actuator 13 for preventing falls is installed between the pivoting member 12a and the elevator table 4 to rotate the shaft together with the pivoting member 12a (12) is rotated.

This configuration can be mainly used when the platform 4 is tilted, and provides a function to prevent a patient from falling.

That is, when the elevator board 4 is tilted, the fall prevention actuator 13 is operated to rotate the rotation shaft 12, and the bottom support plate 51, the back support plate 52, and the leg support plate 53 are formed at the boundary. The fall prevention device 11 is erected between the gaps to provide a function of preventing the patient from falling to the lower side of the bed.

Reference numeral 14 in the drawing indicates a handrail.

The bed robot 1 for preventing bedsores of the present invention configured as described above can be changed into various shapes as shown in FIGS. 19A to 19I to promote patient convenience.

For example, 1) the basic function of using the bed top (5) in a horizontal state, 2) the function of adjusting the height of the bed top (5), 3) the function of lifting and tilting the head direction, 4) lifting the leg direction Function of lifting and inclining, 5) function of lifting the back support plate (52), 6) function of lifting the leg support plate (53), 7) function of lifting the leg support plate (53) while the back support plate (52) is lifted , 8) a function of tilting the bed top plate 5 in the width direction can be provided individually or in combination, and examples of the use of each function will be described below.

1) Basic function of using the bed top plate (5) in a horizontal state

The basic function of using the bed top plate 5 in a horizontal state is the most basic function of maintaining the bed top plate 5 horizontally as shown in FIG. 19A.

2) Function to adjust the height of the bed top plate (5)

The function of adjusting the height of the bed top plate 5 is to use the first to third tilting and height adjusting means 3 (3') (3") located between the transfer cart 2 and the elevating member as shown in FIG. 19B. It is a function to adjust the height of the bed top plate 5 by operating at the same time.

3) Function to lift and tilt the head direction

As shown in FIG. 19C, the function of lifting and inclining the head direction is the head direction ( Backrest support plate (52) side) Lift the first tilting and height adjusting means (3) higher than the second and third tilting and height adjusting means (3') (3") and tilt the bed top plate (5) downward toward the legs. It is a regulating function.

4) Function to lift and incline the leg direction

The function of lifting and inclining the leg direction is the first tilting of the first to third tilting and height adjusting means 3 (3') (3") located between the transfer cart 2 and the lifting member, as shown in FIG. 19D. And the bed top plate (5) by lifting the second and third tilting and height adjusting means (3') (3") higher than the height adjusting means (3) so that the leg direction (the leg support plate (53) side) is inclined downward toward the head. is a function that regulates

5) The function of lifting the backrest

The function of lifting the backrest support plate 52 is a function of erecting or laying the backrest support plate 52 at a predetermined angle by operating the actuator for the backrest support plate 52 as shown in FIG. 19E.

6) The function of lifting the leg support plate (53)

The function of lifting the leg support plate 53 is a function of erecting or laying the leg support plate 53 at a predetermined angle by operating an actuator for the leg support plate 53 as shown in FIG. 19F.

Thigh support plate that erects or lays the thigh support plate 54 constituting the leg support plate 53, such as the function (not shown) of providing the calf support plate 55 in a horizontally lowered state while the leg support plate 53 is lifted It is a function that can provide convenience to a patient with a leg fracture by separately operating the actuator 58 for the calf support plate and the actuator 59 for the calf support plate 55 that operate the calf support plate 55 .

7) The function of lifting the leg support plate (53) while the back support plate (52) is lifted

The function of lifting the leg support plate 53 in the state in which the back support plate 52 is lifted is the actuator 56 for the back support plate, the actuator 58 for the thigh support plate, and the actuator 59 for the calf support plate together as shown in FIG. It is operated so that the patient can bend the upper and lower body together.

8) Function of tilting the bed top plate (5) in the width direction

The function of tilting the bed top plate 5 in the width direction is a function of rotating the bed top plate 5 by operating the first to third tilting and height adjusting means 3 (3') (3") as shown in FIG. 19H. .

This is a function of inclining the bed top plate 5 in the width direction.

Although specific embodiments have been described in the detailed description of the present invention, various modifications are possible without departing from the scope of the present invention. Therefore, the protection scope of the present invention should not be limited to the described embodiments and should not be defined, but should be defined by the equivalents as well as the claims described later.

1: bed robot for preventing bedsores 2: transfer truck
21: bogie frame 22: wheel
23: brake 3,3 ', 3 ": first to third tilting and height adjusting means
31: fixing bracket 32: support shaft
33: rotating member 34: actuator for tilting and height adjustment
35: shock absorber for tilting and height adjustment 36: first link
37: second link 38: third link
4: lift plate 41: bracket
5: bed top plate 51: hip support plate
51-1: hip support frame 52: back support plate
52-1: backrest support frame 53: leg support plate
54: thigh support plate 54-1: thigh support frame
55: calf support plate 55-1: calf support frame
56: actuator for backrest support plate 57: shock absorber for backrest support plate
58: Actuator for thigh support plate 59: Actuator for calf support plate
6: cross axis 7,9: guide rod
8: Slide block for forward and backward movement 10: Slide block for left and right movement
11: fall prevention device 12: rotation axis
12a: Rotation tool 13: Fall prevention actuator

Claims (8)

A transfer cart 2 equipped with wheels 22 having a brake 23 function to the lower side;
first tilting and height adjusting means 3 installed at the front (head side) of the transport cart 2 and second and third tilting and height adjusting means 3" installed at the rear (leg side);
an elevator plate 4 installed above the first to third tilting and height adjusting means 3 (3') (3");
A bed robot for preventing bedsores, characterized in that it includes a bed top plate (5) installed on the elevator board (4) and on which a mattress is raised upward.
according to claim 1;
The first to third tilting and height adjusting means (3) (3') (3 ");
a support shaft 32 installed on the lower side of a pair of fixing brackets 31 provided on the transfer cart 2;
A rotating member 33 coupled to the support shaft 32 and rotating;
an actuator 34 for tilting and height adjustment, which is rotatably coupled to both ends of the rotating member 33 and the transfer cart 2 with pins;
a tilting and height-adjusting shock absorber 35 coupled to the rotating member 33 and the transfer carriage 2 so as to be rotated with pins at both ends so as to be positioned above the tilting and height-adjusting actuator 34;
A first link 36 having a lower end coupled to the support shaft 32 and rotating together with the rotating member 33;
a second link 37, the lower end of which is rotatably coupled to the upper end of the first link 36 with a pin, and the upper end rotatably coupled to the bracket 41 provided on the platform 4 with a pin;
The lower end is rotatably coupled to the upper side of the fixing bracket 31 provided on the transfer cart 2 and the upper end is coupled with a pin to the upper side where the first link 36 and the second link 37 are coupled with a pin A bed robot for preventing bedsores, characterized in that configured to include a third link (38).
according to claim 2;
The coupling between the second link 37 of the first to third tilting and height adjusting means 3 (3') (3") and the bracket 41 provided on the elevator board 4 is a cross shaft 6 A bed robot for preventing bedsores, characterized in that combined to be configured like a universal joint.
in claim 3;
The cross shaft 6 coupled to the second link 37 of the first tilting and height adjusting means 3' moves in the longitudinal direction of the elevator platform 4 along the guide rod 7 installed on the platform 4. A slide block 8 for forward and backward movement is installed, and a slide block 10 for left and right movement slides in the width direction of the hoist plate 4 along the guide rod 9 installed on the slide block 8 for forward and backward movement. To combine the bracket 41;
The cross shaft 6 coupled to the second link 37 of the second tilting and height adjusting means 3" moves in the width direction of the elevator platform 4 along the guide rod 7 installed on the platform 4. A bed robot for preventing bedsores, characterized in that coupled to the bracket 41 coupled to the slide block 10 for sliding left and right movement.
according to claim 1;
The bed top plate (5) is divided into a buttock plate (51) fixed to the elevator board (4), a backrest plate (52) and a leg support plate (53) that are laid or raised. Bed robot for preventing bedsores.
according to claim 4;
The backrest support plate 52 is provided with a backrest support frame 52-1 rotatably coupled to the buttock support frame 51-1 provided on both sides of the buttock support plate 51, and the elevating plate 4 and the backrest A bed robot for preventing bedsores, characterized in that it is erected or laid down by the backrest support plate actuator 56 and the backrest support plate shock absorber 57 installed so that both ends are rotated on the support plate 52.
according to claim 4;
The leg support plate 53 is divided into a thigh support plate 54 and a calf support plate 55;
The thigh support frame 54-1 coupled to rotate to the butt support frame 51-1 provided on both sides of the hip support plate 51 and the calf support frame 55 coupled to rotate to the thigh support frame 54-1 -1) is provided;
The actuator 58 for the thigh support plate installed so that both ends rotate on the elevator platform 4 and the thigh support plate 54 and the actuator 59 for the calf support plate installed so that both ends rotate on the elevator platform 4 and the calf support plate 55 A bed robot for preventing bedsores, characterized in that it is erected or laid down by.
according to claim 1;
A rotating shaft 12 is installed on the left and right sides of the elevator plate 4 in the longitudinal direction of the bed, and the rotating shaft 12 is erected at the boundary between the butt support plate 51, the back support plate 52, and the leg support plate 53. To combine the anti-fall device 11;
A bed robot for preventing bedsores, characterized in that a pivoting member (12a) is coupled to one end of the rotating shaft (12), and an actuator (13) for preventing falls is installed between the pivoting member (12a) and the elevator table (4).

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