JPH10216174A - Transfer supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To minituarize a transfer device and to make transfer action from a bed with small transverse dimension to a bed with large transverse dimension possible. SOLUTION: A supporting trestle 3 fitted to a transformation mechanism and movable back and forth in reciprocating motion along the top face of a bed, a transfer plate 4 provided on the supporting trestle 3 and movable back and forth in reciprocating motion along the top face of the bed, a driving means 21 for performing respectively reciprocating motion of the supporting trestle 3 and the transfer plate 4, a control means for controlling the driving means 21 and a detecting means 32 provided on the end part of a moving side of the supporting trestle 3 and for detecting approaching condition of a person to be transferred on the bed, are provided and the control means forwards the supporting trestle 3 and the transfer plate 4 onto the bed based on the output of the detecting means 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer assisting device for receiving and transporting an ill person such as an elderly person, a sick person, or a physically handicapped person lying on a bed.

[0002]

2. Description of the Related Art Conventionally, a transfer assisting device called a stretcher has been proposed for transferring a disabled person on a bed to another bed or the like (for example, Japanese Patent Application Laid-Open No. 60-1855).
52, JP-B-62-30771, JP-B-51-40
No. 38).

[0003] However, the transfer operation by the conventional stretcher has a problem that a large burden is imposed on a sick person or a caregiver. Therefore, the present applicant has proposed a transfer assistance device as shown in FIGS.
No. 4996). The transfer assistance device includes a transfer plate 103 that is reciprocally driven back and forth along the upper surface of a bed 201 on a support base 102 attached to a movable cart 101, and around the transfer plate 103, The transfer belt 104 is configured to be wound around a transfer belt 104 that is to move around the transfer plate 103 in a moving direction, and the transfer plate 103 is moved forward as shown in FIGS. 9A, 9B, and 9C. The transfer plate 10 to the back of the sick person 202 who is the transferee on 201
10A and 10B, the transfer mode in which the transfer plate 103 on which the invalid 202 is placed is retracted onto the support base 102, and After moving to the side of the bed, as shown in FIGS. 11C and 11D, a return mode in which the transfer plate 103 on which the invalid 202 is placed is advanced onto the bed 201, and FIGS. )
As shown in (c), four operation modes of a pull-out mode in which the transfer plate 103 is retracted and the invalid 202 on the transfer plate 103 is transferred onto the bed 201 are switched and set.

That is, in the insertion mode and the pull-out mode, the upper half of the transfer belt 104 is connected to the support 102, while in the transfer mode and the return mode,
The upper half of the transfer belt 104 is connected to the transfer plate 103. When shifting from the insertion mode to the transfer mode, the upper half of the transfer belt 104 is switched from the connection state with the support base 102 to the connection state with the transfer plate 103, while the return mode is shifted to the pull-out mode. At this time, the upper half of the transfer belt 104 is switched from the connection state with the transfer plate 4 to the connection state with the support base 102.

[0005] Incidentally, the transition from the transfer mode to the return mode,
And at the time of transition from the extraction mode to the insertion mode,
There is no need to switch the connection state of the transfer belt 104,
Only the switching of the driving direction of the transfer plate 103 is performed.

[0006] By this transfer assistance device, the sickly person 202
The transfer operation can be performed without causing great pain to the user and without putting a burden on the caregiver.

[0007]

However, in the transfer assisting device, after the transfer device is laid on one side of the bed 201, the disabled person 202 on the bed 201 is transferred by reciprocating the transfer plate 103. Therefore, it is necessary to set the size of the transfer plate 103 on the moving direction side larger than the size of the bed 201 so that the disabled person 202 can transfer even if it is lying on the bed 201 at any position. there were.

For this reason, in a place where a plurality of beds 202 are installed in the same room, such as a hospital room, there is a problem that the transfer device cannot be used because the interval between the beds 202 is small. . Also, in hospitals and the like, there are various types of bets from large lateral beds to small lateral beds such as operating tables, so it is necessary to adopt a configuration that matches the lateral dimensions of the largest bet. There was a problem of being larger.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a transfer assisting device that can reduce the size of a transfer device and can perform a transfer operation from a small bed to a large bed. Is what you do.

[0010]

SUMMARY OF THE INVENTION The present invention is directed to a support table which is attached to a transport mechanism and which can reciprocate back and forth along the upper surface of a bed, and is provided on the support table and reciprocates back and forth along the upper surface of the bed. A movable transfer plate, a driving unit for reciprocatingly driving the support table and the transfer plate, a control unit for controlling the drive unit, and a transfer unit provided at a moving-side end of the support table. A detection means for detecting a state of proximity to the person, wherein the control means advances the support table and the transfer plate onto the bed based on an output of the detection means. ,In particular,
The control means moves the support table and the transfer plate forward until the detection means detects the proximity state to the transferee on the bed, and then further advances the transfer plate only to detect the proximity of the transferee on the bed. After the insertion mode to insert on the back of the transferee and the transfer plate on which the transferee is
A transfer mode in which the support table and the transfer plate are retracted to a predetermined position of the transport mechanism, and only the transfer plate is further advanced after the transfer plate and the support table on which the transferee is placed are advanced on the bed. A return mode, and a pull-out mode in which the transfer plate is retracted onto the support table, the transferee on the transfer plate is moved onto the bed, and then the support table and the transfer plate are retracted to predetermined positions of the transport mechanism. And switches between the operation modes.

By using this configuration, it is possible to move about twice as long as the conventional configuration of the same lateral dimension in which only the transfer plate reciprocates. Further, since the advancement of the support base and the transfer plate on the bed in the insertion mode is controlled based on the detection output of the detection means, even if the transferee lies on any position on the bed. The transfer operation is performed in a safe state without colliding with the transferee by mistake.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the transfer assisting device of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic cross-sectional view of the transfer assistance device of the present invention.

As shown in FIG. 1, an installation table 2 is provided on a movable carriage 1 via an up-down mechanism 11, and the transfer assistance device is moved to a desired location by the movable carriage 1, the up-down mechanism 11 and the installation table 2. It constitutes a transport mechanism for moving to. A support table 3 is disposed on the installation table 2, and a transfer plate 4 is provided on the support table 3.

The supporting table 3 is provided between the supporting table 3 and the mounting table 2.
The book is supported by a guide rail 5 so as to be able to reciprocate back and forth. The transfer plate 4 is supported by the support table 3 so as to be able to reciprocate back and forth, and a transfer belt 6 covering substantially the entire peripheral surface is wound around the transfer plate 4.

As shown in FIG. 1, a drive motor 21, a driven pulley 22, and the drive motor 21 and the driven pulley 22
Is provided, and the timing belt 23 is moved forward and backward by the driving of the drive motor 21.

The support base 3 is provided with a support base fastening portion 31 for fixing the support base 3 to the timing belt 23, whereby the support base 3 moves back and forth by the drive of the drive motor 21. Further, a sensor 32 is provided at the end of the support base 3 in the moving direction side as a detecting means for detecting a state of proximity to the person to be transferred on the bed. The motor 21 is controlled.

Further, as shown in FIG.
The transfer driving motor 33, a second driven pulley 35 to which the driving force of the transfer driving motor 33 is transmitted via the drive belt 34, and a second timing belt 36 wound around the second driven pulleys 35, 35 Is provided, and the second timing belt 36 is moved forward and backward by the driving of the transfer driving motor 33.

The transfer plate 4 is provided with a transfer plate fastening portion 41 for fixing the transfer plate 4 to the second timing belt 36, whereby the transfer drive motor 33 drives the transfer plate. The plate 4 moves back and forth.

Further, the transfer plate 4 is provided with a lock control member 43 for controlling the belt operation of the transfer belt 6 in cooperation with the transfer belt fixing member 42. The transfer belt fixing member 42 is provided so as to be engaged with and disengaged from the lock control member 43. The transfer belt fixing member 42 fixes the upper half peripheral portion of the transfer belt 6 to the support base 3 in the detached state, and supports the support base 3 in the engaged state.
And is fixed to the transfer plate 4. The transfer belt fixing member 42 and the lock control member 43 are switched from the disengaged state to the engaged state or from the engaged state to the disengaged state automatically when the transfer plate 4 advances to the forefront. The upper half of the transfer belt 6 is connected to the support 3 in an insertion mode and a withdrawal mode, which will be described later, while the transfer belt 6 is connected in the transfer mode and the return mode. Is connected to the transfer plate 4.

When the transfer mode is shifted from the insertion mode to the transfer mode, the upper half of the transfer belt 6 is switched from the connection state with the support table 3 to the connection state with the transfer plate 4, and from the return mode. When shifting to the pull-out mode, the upper half of the transfer belt 6 is switched from the connection state with the transfer plate 4 to the connection state with the support table 3.

As described above, since the support table 3 on which the transfer plate 4 is mounted is also configured to be able to reciprocate back and forth along the upper surface of the bed, the conventional structure of the same lateral dimension in which only the transfer plate reciprocates. It is possible to move about twice as long as compared.

Next, the circuit configuration of the control circuit 7 of the transfer assistance apparatus having the above configuration will be described based on a schematic control block diagram of the control circuit 7 shown in FIG. The control circuit 7 includes a microcomputer. The control circuit 7 includes first and second drivers 71 and 72 for supplying a drive current to the drive motor 21 and the transfer drive motor 33, and the above-described sensor 3
2, and an input unit 73 for inputting the contents of the transfer operation.

In the control circuit 7, when the transfer plate 4 is inserted into the back of the transferee on the bed, the drive current is first supplied to the drive motor 21 until the transferee is detected by the sensor 32. Is supplied to advance the support base 3 and the transfer plate 4, and then a drive current is supplied to the transfer drive motor 33 to further advance only the transfer plate 4 to transfer the image to the back of the transferee. Plate 4 is inserted.

Therefore, no matter where the transferee lies on the bed, the support table 3 and the transfer plate 4
Is moved forward and does not collide with the transferee, and the transfer operation is performed in a safe state.

Next, the operation of the transfer assistance device having the above configuration will be described with reference to FIGS. In these figures, the transfer belt 6, the transfer drive motor 33, the second
The timing belt 36, the transfer plate fastening portion 41, and the like are not shown.

First, an insertion mode for inserting a transfer plate on the back of the transferee 202 on the bed 201 will be described. In the insertion mode, since the transfer belt fixing member 42 and the lock control member 43 are in the detached state at the initial stage as shown in FIG. 4, the drive current is supplied to the drive motor 21 in accordance with the transfer command input from the input unit 73. , Sensor 32
After the support table 3 and the transfer plate 4 are moved forward until the transferee 202 is detected by (see FIGS. 4A and 4B),
A drive current is supplied to the transfer drive motor 33 to further advance only the transfer plate 4. Then, the lock control member 43
Is moved forward until it engages with the transfer belt fixing member 42, and the transfer plate 4 is inserted into the back of the transferee 202 (FIG. 4).
(c)). In this process, as the transfer plate 4 moves, the lower half of the transfer belt 6 is fed counterclockwise to the upper surface of the transfer plate via the front end of the transfer plate. For this reason, since the relative speed of the transfer belt 6 at the contact portion between the upper half circumference and the back surface of the transferee 202 is zero, the transfer plate 4 is laid comfortably on the back surface of the transferee 202. Will be.

Next, a description will be given of a transfer mode in which the transfer plate 4 on which the transferee 202 is placed and the support 3 are retracted to the initial position of the transfer device. In reverse mode,
Since the transfer belt fixing member 42 and the lock control member 43 are in the engaged state at the initial stage as shown in FIG. 5, the transfer belt 6 is extended with the movement of the transfer plate 4 as in the above-described insertion mode. Nothing.

In this mode, a drive current is supplied to the transfer drive motor 33 to retreat the transfer plate 4 onto the support base 3 (see FIG. 5A), and then a drive current is supplied to the drive motor 21. Then, the support 3 and the transfer plate 4 are retracted to the initial position of the transfer device (see FIG. 5B).

Next, a return mode in which the transfer plate 4 on which the transferee 202 is placed is advanced to a desired bed 201 will be described. In the return mode, first, a drive current is supplied to the drive motor 21 to advance the support 3 and the transfer plate 4 by a predetermined amount onto the bed 201 (FIG. 6A).
(See FIG. 6B), a drive current is supplied to the transfer drive motor 33, and only the transfer plate 4 is further advanced onto the bed 201 (see FIG. 6C).

Next, a description will be given of a pull-out mode in which the transfer plate 4 on which the transferee 202 is placed is extracted from the back of the transferee 202. In the pull-out mode, first, the engagement state between the transfer belt fixing member 42 and the lock control member 43 is manually switched to the disengagement state. Then, a drive current is supplied to the transfer drive motor 33 to retreat the transfer plate 4 onto the support base 3 (see FIG. 7A).
A drive current is supplied to the drive motor 21 to move the support 3 and the transfer plate 4 back to the initial position of the transfer device (FIG. 7).
(b)). In this process, the upper half peripheral portion of the transfer belt 4 is fed clockwise to the lower surface of the transfer plate via the front end of the transfer plate. As a result, the transfer plate 4 is easily extracted from the back surface of the transferee 202.

The description of the above embodiment is for the purpose of explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. Also, the configuration of each part of the present invention is not limited to the above-described embodiment,
It goes without saying that various modifications are possible within the technical scope described in the claims.

[0032]

As described above, according to the present invention, the support table on which the transfer plate is mounted can also reciprocate back and forth along the upper surface of the bed, so that only the transfer plate reciprocates in the same horizontal direction. It is possible to move about twice the distance as compared with the conventional configuration of dimensions.

Accordingly, the lateral dimension in the moving direction can be reduced,
The transfer device can be miniaturized, and can be used for various beds ranging from a small bed to a large bed.
Further, since the advancement of the support base and the transfer plate on the bed in the insertion mode is controlled based on the detection output of the detection means, even if the transferee lies on any position on the bed. The transfer operation is performed in a safe state without colliding with the transferee by mistake.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view of a transfer assistance device according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view for explaining a peripheral configuration of a transfer plate 4 of the apparatus in FIG.

FIG. 3 is a block diagram showing a circuit configuration of a control circuit 7 of the apparatus shown in FIG. 1;

FIG. 4 is a side view showing the operation of the apparatus shown in FIG. 1 in the insertion mode.

FIG. 5 is a side view illustrating an operation of the apparatus of FIG. 1 in a transfer mode.

FIG. 6 is a side view illustrating an operation in a return mode of the apparatus in FIG. 1;

FIG. 7 is a side view illustrating the operation of the apparatus of FIG. 1 in a pull-out mode.

FIG. 8 is a partially broken side view showing a drive system of a conventional transfer assistance device.

FIG. 9 is a side view showing the operation of the device shown in FIG. 8 in the insertion mode.

10 is a side view illustrating the operation of the apparatus in FIG. 8 in a transfer mode and a return mode.

FIG. 11 is a side view showing the operation of the apparatus shown in FIG. 8 in a pull-out mode.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Moving trolley 2 Installation stand 3 Support stand 4 Transfer plate 5 Guide rail 6 Transfer belt 7 Control circuit 11 Vertical mechanism 21 Drive motor 22 Driven pulley 23 Timing belt 31 Support stand fastening part 32 Sensor 33 Transfer drive motor 34 Drive belt 35 second driven pulley 36 second timing belt 41 transfer plate fastening part 42 transfer belt fixing member 43 lock control member 201 bed 202 person to be transferred (disabled person)

Claims (2)

[Claims] 1. A transfer assisting device for receiving and transporting a transferee on a bed, wherein the supporter is attached to a transport mechanism and is capable of reciprocating back and forth along the upper surface of the bed. , A transfer plate reciprocally movable back and forth along the upper surface of the bed, driving means for reciprocally driving the support table and the transfer plate, control means for controlling the drive means, and movement of the support table Detecting means for detecting a state of proximity to the transferee on the bed, wherein the control means advances the support base and the transfer plate onto the bed based on an output of the detection means. A transfer assistance device characterized in that the transfer assistance device is operated. 2. The control means further comprises: advancing the support table and the transfer plate until the detecting means detects a state of proximity to the transferee on the bed; and further advances only the transfer plate. Insertion mode in which the transfer plate on which the transferee is placed is moved backward on the support table, and then the support table and the transfer plate are moved to the predetermined position of the transport mechanism. A transfer mode for retreating, a transfer mode for moving the transfer plate on which the transferee is placed and the support table to the bed, and then a return mode for further moving only the transfer plate, and a transfer mode for retracting the transfer plate to the support table Then, after the transferee on the transfer plate is transferred onto the bed, a pull-out mode for retracting the support table and the transfer plate to a predetermined position of the transport mechanism is provided, and each operation mode is switched and set. 2. The method according to claim 1, wherein Transfer assistance equipment.