JPH0577428B2 - - Google Patents

Description

[Detailed description of the invention]

【0001】

[Field of Industrial Application] The present invention relates to a medical bed device, and more specifically, it is possible to easily raise and lower a person lying on a bed using a hammock in order to move the person to other places such as a bath, toilet, wheelchair, etc. Regarding medical bed equipment that can be used.

[0002]

BACKGROUND OF THE INVENTION A known medical bed device used in hospitals, nursing homes, homes, etc. is one in which a patient who cannot move on his own is hoisted up in a hammock and moved to a bath or toilet near the bed.

【0003】

[Problem to be solved by the invention] However, when a sick person is placed on a hammock and lifted from the bed,
When lowered onto the bed, a physical burden is placed on the neck, lower back, etc., which can easily cause pain. SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a medical bed device that can be lifted and lowered without causing pain to the patient.

【0004】

[Means for Solving the Problems] To this end, the present invention provides a main body frame 1, a hoisting device 2 provided on the upper part of the main body frame 1 so as to be movable in the horizontal direction, and a hoisting device 2 suspended from the hoisting device 2. The hoisting device 2 includes a first hanging cord 14 attached to the tip of the hammock 12 and lifting the head side of the human body placed on the hammock 12.
and attached to the rear end of the hammock 12,
A second suspension string 15 that suspends the leg side of the human body, and a pulley 6 to which these suspension cords 14 and 15 are tied.
5, 66, drums 69, 70 that wind up these hanging cords 14, 15, respectively, and a winding motor 20 that rotates these drums 45, 46, 69, 70, and at least one pulley 6
5 or 66 so as to be slidable, the distance between the pulleys 65 and 66 can be adjusted freely, and when the hoisting strings 14 and 15 are hoisted by the hoisting motor 20, these hoisting strings 1
Pulley sliding means 42, 61, which slides one pulley 65 toward and away from the other pulley 66 in order to gradually reduce the interval between the pulleys 4 and 15, and to gradually increase this interval during rewinding.
62, and a pulley sliding motor 40 for driving the pulley sliding means 42, 61, 62.

[0005]

[Operation] According to the above configuration, the hoisting motor 2
When the hammock 12 is raised and lowered by driving the pulleys 65 and 66, the pulleys 65 and 66 slide toward and away from each other, and the first hanging cord 14 lifts the head side of the human body.
Since the distance between the second suspension strings 15 that lift the leg side changes, the human body can be lifted up and down from the bed 50 while raising and lowering the upper body of the human body, thus causing no pain to the human body. It is possible to raise and lower the human body without giving any force.

【0006】

Embodiments Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of the medical bed device, FIG. 2 is a plan view, and FIG. 3 is a side view. 1 is a main body frame, and a bed 50 and a toilet bowl 51 are placed at the bottom thereof. This device is a device for transferring a sick person lying on a bed 50 to another location such as the toilet bowl 51 or a bath (not shown). In FIGS. 2 and 3, a hoisting device 2 is provided on the upper part of the main body frame 1 so as to be movable in the horizontal direction (XY direction). This winding device 2 is
A hammock 12 suspended from hanging cords 14 and 15 is raised and lowered, and also moved in the horizontal direction.
The first suspension string 14 is attached to the tip of the hammock 12 and suspends the head side of the person placed on the hammock 12. Further, the second hanging cord 15 is attached to the rear end of the hammock 12 and suspends the leg side. 3 and 4 are X rails, and 5 is an X frame placed on the X rails 3 and 4 via rollers 24. 28 is a rack provided parallel to the X rails 3 and 4. Pinyon 27 for X frame 5
A motor 26 is attached to rotate the motor. The pinion 27 is engaged with the rack 28, and the motor 2
6 is driven, the X frame 5 moves to the X rails 3 and 4.
Move in the X direction along.

[0007] In FIG. 1, Y rails 6 and 7 are provided on the top of the X frame 5. 8 is a Y frame, and Y rail 6,
It is placed on 7. In FIG. 3, 30 is a motor mounted on the X frame 5, and 31 is a feed screw driven by this motor 30. This feed screw 31 is screwed into a nut 22 provided on the Y frame 8, and when the motor 30 is driven, the Y frame 8 slides in the Y direction along the Y rails 6 and 7.

[0008] In FIG. 2, the Y frame 8 includes two
A book rotation shaft 9 is provided. This rotating shaft 9
21 is a speed reducer which is driven and rotated by a hoisting motor 20 provided on the Y frame 8. Each rotating shaft 9 has a large diameter drum 45.
A drum 46 with a diameter of . A first hanging cord 14 is wound around one drum 45, and a second hanging cord 15 is wound around the other drum 46. 44a and 44b are drum 4
5 and 46 are the attached frames. One rotating shaft 9 and the other rotating shaft 9 are connected by a chain 43. Therefore, when the motor 20 is driven and the rotating shaft 9 rotates, the four drums 45, 46
also rotates to wind up and unwind the suspension strings 14 and 15.

[0009] 42 is a feed screw provided between the rotating shafts 9 in the Y direction, that is, in the same direction as the axial direction of the drums 45, 46, and 40 is the feed screw 42.
A sliding motor 41 is a speed reducer for rotating the drums 45 and 46 to slide them along the feed screw 42. The feed screw 42 has a screw 42a with a large pitch and a screw 42b with a small pitch, the directions of which are opposite to each other. It is screwed into screws 42a and 42b.

[0010] Therefore, when the motor 40 is driven and the feed screw 42 rotates, the frames 44a, 44
b slide toward and away from each other in opposite directions in the Y1 and Y2 directions, or in the Y1' and Y2' directions, and the drums 45 and 46 mounted on the frames 44a and 42b also slide, and both 45 , 46, and these component parts 42, 4
Reference numerals 8 and 49 constitute drum sliding means for changing the distance between the hanging cords 14 and 15 when the hammock 12 is raised and lowered.

[0011] In FIG. 3, when the motor 20 is driven and the hanging cords 14 and 15 are wound up, the person
It rises from position to position b. In this case, drum 4
5 has a larger diameter than the drum 46, the upper body rises faster than the legs, and the upper body stands up. At this time, the motor 40 rotates, the drum 45 slides along the screw 42a in the direction of arrow Y1, and the drum 46 slides along the screw 42b in the direction of arrow Y2 (see also FIG. 2). 45 and drum 46 approach each other. Also, on the contrary, the motor 20,
When the drum 40 rotates in the opposite direction, the drums 45 and 46 move away from each other while sliding in the Y1' and Y2' directions.
The hammock 12 is lowered, and the person is lowered from position b to position a.

[0012] In this way, as the hammock 12 moves up and down, the drums 45, 45, 46, and 46 slide in the Y direction so that they approach or separate from each other, and the hammock 12 is raised and the human body is When hoisting the hammock 12 up, the distance between the hanging cords 14 and 15 in FIG. Since the above-mentioned distance gradually increases, the upper body of the human body gradually falls on its back as it lands on the bed. By raising and lowering the human body while raising and lowering the upper body of the human body in this manner, the human body can be raised and lowered easily without causing pain to the human body.

[0013] FIGS. 4 and 5 show other embodiments. There are two pinions 27 and racks 28 on the left and right,
The X frame 5 moves along this rack 28 in the X direction. Nuts 61 and 62 are attached to the screws 42a and 42b of the feed screw 42. 63,
64 is a shaft attached to nuts 61, 62, and pulleys 65, 66 are attached to both ends of the shafts 63, 64. Therefore, when the motor 40 is driven and the feed screw 42 is rotated, the nuts 61 and 62 are rotated by the screws 42a and 42.
b, and the distance between the pulleys 65 and 66 changes. That is, these components 42, 6
Reference numerals 1 and 62 constitute pulley sliding means, and the motor 40 serves as a pulley sliding motor.

[0014] The hanging cords 14 and 15 are tied to pulleys 65 and 66, and each is connected to a large hoisting drum 69.
and is wound around a small hoisting drum 70. The motor 20 rotates the drums 69 and 70 to
Wind up 4,15. Therefore, when the motor 20 is driven, the hanging cord 14 is quickly wound up by the large diameter part 69a of the drum 69, and slowly wound up by the small diameter part 69b from the middle. Furthermore, the hanging cord 15 is attached to the large diameter portion 7 of the drum 70.
It is wound up somewhat quickly by 0a, and slowly wound up to the small diameter part 70b from the middle.

[0015] The motor 40 also drives the feed screw 4.
2 rotates, the pulley 6 in FIG.
5 and 66 slide in opposite directions to each other in the Y1 and Y2 directions to approach and separate, so the hammock 1
When raising the hammock 2, the distance between the hanging cords 14 and 15 gradually becomes smaller, and when lowering the hammock 12, this distance gradually becomes larger. can be done.

[0016] In the embodiment shown in FIGS. 1 to 3, the drums 45 and 46 double as drums for hoisting the hanging cords 14 and 15, and sliding drums for changing the interval between the hanging cords 14 and 15. In contrast, in this embodiment, drums 69 and 70 for hoisting the hanging cords 14 and 15 and pulleys 65 and 66 for changing the distance between the hanging cords 14 and 15 are provided separately. Although the two are different, drums 45 and 46
They are exactly the same in that the distance between the hanging cords 14 and 15 is changed by sliding the pulleys 65 and 66 driven by the motor 40, and the same effects as described above can be obtained in both cases.

【0017】

Effects of the Invention As explained above, according to the present invention, when raising and lowering the hammock 12, the upper body of the human body can be raised and lowered, so that the hammock 12 can be easily raised from the bed without putting any load on the human body. , and can also be lowered into the bed.

[Brief explanation of drawings]

FIG. 1 is a front view of a medical bed according to an embodiment of the present invention.

FIG. 2 is a plan view of a medical bed according to an embodiment of the present invention.

FIG. 3 is a side view of a medical bed according to an embodiment of the present invention.

FIG. 4 is a plan view of another embodiment of the present invention.

FIG. 5 is a side view of another embodiment of the present invention.

[Explanation of symbols]

1...Body frame 2...Hoisting device 12...Hammock 14...first hanging cord 15...Second hanging cord 20...Hoisting motor 40...Pulley sliding motor 42, 61, 62...Pulley sliding means 65, 66...Pulley 69,70...drum.

Claims (1)

[Claims] 1. A main body frame 1, a hoisting device 2 provided horizontally movably on the upper part of the main body frame 1, and a hammock 12 suspended from the hoisting device 2, the hoisting device 2 A first hanging cord 14 is attached to the tip of the hammock 12 and lifts the head side of the human body placed on the hammock 12.
and attached to the rear end of the hammock 12,
A second suspension string 15 that suspends the leg side of the human body, and a pulley 6 to which these suspension cords 14 and 15 are tied.
5, 66, drums 69, 70 that wind up these hanging cords 14, 15, respectively, and a winding motor 20 that rotates these drums 69, 70, and at least one pulley 65 or 66 is slidably moved. By arranging it, the interval between the pulley 65 and the pulley 66 can be adjusted freely, and when the above-mentioned hanging cords 14 and 15 are wound up by the drive of this hoisting motor 20, these hanging cords 1
Pulley sliding means 42, 61, which slides one pulley 65 toward and away from the other pulley 66 in order to gradually reduce the interval between the pulleys 4 and 15, and to gradually increase this interval during rewinding.
62, and a pulley sliding motor 40 for driving the pulley sliding means 42, 61, 62.