JP2016214276A - Transfer machine for caring - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transfer machine for caring, achieving simplification of its structure.SOLUTION: In a transfer machine 1 for caring, a rotation part 30 is elevated and a suspension part 40 is elevated therewith by making a pair of linear actuators 50A and 50B the same in telescopic-motion speed and telescopic-motion length. The rotation part 30 is rotated and the suspension part 40 is inclined therewith by making the pair of linear actuators 50A and 50B different in telescopic-motion speed and telescopic-motion length. That is, in the transfer machine 1 for caring, the suspension part 40 is elevated and inclined only with the linear actuators 50A and 50B so as to achieve simplification of its structure.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a nursing care transfer machine.

  2. Description of the Related Art Conventionally, an electric nursing care transfer machine including an actuator or the like is known, and is used, for example, when a care recipient is transferred from a bed to a wheelchair, from a wheelchair to a toilet, or from a wheelchair to a bed. There are several types of such care transfer machines that are suspended from the ceiling or floor-floored. Elevator mechanism that can adjust the height position of the person.

JP, 2014-61036, A

  For example, when a care recipient is transferred from a bed to a wheelchair, it is necessary to adjust the posture of the care recipient in order to cause the care recipient to sit deeply on the seat. For such posture adjustment, it is preferable to provide the nursing care transfer machine with a tilting mechanism for adjusting the tilt of the hanger.

  However, if a tilting mechanism is separately provided in addition to the lifting mechanism in the nursing care transfer device, the structure of the apparatus becomes complicated, and various problems such as an increase in size and weight, and an increase in manufacturing cost are caused.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a nursing care transfer machine with a simplified structure.

  An electronic component care transfer machine according to one aspect of the present invention includes a central holder portion that extends in parallel with an installation surface and is provided with first and second arms for hanging a care recipient. It is a transfer machine, and is attached to the upper end side of each of the base part placed on the installation surface, the pair of linear actuators extending upward from the base part, and the pair of linear actuators, and the center holder part is attached And a rotating part.

  According to the present invention, a nursing care transfer machine having a simplified structure is provided.

Drawing 1 is an outline perspective view showing the transfer machine for care concerning an embodiment. FIG. 2 is a front view of the rotating unit shown in FIG. FIG. 3 is a side sectional view of the rotating portion shown in FIG. FIG. 4 is a rear view of the rotating unit shown in FIG. FIG. 5 is a side view showing the positional relationship between the rotating part and the center holder part shown in FIG. FIG. 6 is a diagram illustrating a usage state of the nursing care transfer machine illustrated in FIG. 1. FIG. 7 is a diagram illustrating an operation mode of the pair of linear actuators when the rotating unit is raised and lowered. FIG. 8 is a diagram illustrating an operation mode of the pair of linear actuators when the rotating unit is rotating. FIG. 9 is a view showing a modification of the operation mode of the pair of linear actuators when the rotating unit is raised and lowered. FIG. 10 is a diagram illustrating a modification of the operation mode of the pair of linear actuators when the rotating unit is rotating. FIG. 11 is a diagram showing a modification of the operation mode of the pair of linear actuators when the rotating unit is raised and lowered. FIG. 12 is a diagram illustrating a modification of the operation mode of the pair of linear actuators when the rotating unit is rotating. FIG. 13 is a diagram illustrating a configuration of a rotating unit having a mode different from that in FIG. 2.

  Hereinafter, embodiments will be described with reference to the accompanying drawings. In the following description, the same reference numerals are used for the same elements or elements having the same functions, and redundant description is omitted.

  In the following embodiment, an electric nursing care transfer machine will be described as an example.

  As shown in FIG. 1, the nursing care transfer machine 1 includes a base portion 10, a lift shaft guide portion 20, a rotation portion 30, a suspension portion 40, and a pair of linear actuators 50 </ b> A and 50 </ b> B.

  The base portion 10 is a portion placed on the installation surface G, and includes a base main body portion 12 and a pair of caster portions 14A and 14B.

  The base body portion 12 is a long portion, and is a portion where a lifting shaft guide portion 20 and linear actuators 50A and 50B, which will be described later, are provided.

  The pair of caster portions 14A and 14B have the same dimensions (length, width and height) and have a long outer shape. The pair of caster portions 14A and 14B are attached to respective end portions of the base main body portion so as to be parallel to each other. The pair of caster portions 14A and 14B is provided with casters at both ends thereof, and the nursing care transfer machine 1 can move on the installation surface by these casters.

  In the following description, for the sake of convenience, the side on which the nursing care transfer machine 1 travels will be referred to as “front side”, and on the contrary, the retreating side will be referred to as “rear side”.

  The elevating shaft guide portion 20 is a long rail member (that is, a guide rail) provided at the central portion of the base body portion 12 of the base portion 10 so as to extend upward from the base body portion 12. More specifically, the elevating shaft guide portion 20 extends along the vertical direction.

  The rotating part 30 is attached to the front side of the lifting / lowering shaft guide part 20 so as to be movable up and down, and has a disk-like outer shape. The turning unit 30 is controlled to be lifted and lowered by a pair of linear actuators 50A and 50B described later. The rotating unit 30 has a front plate 31 on the front side thereof.

  The hanging part 40 is provided on the front surface of the front plate 31 of the rotating part 30. The hanging part 40 includes a central holder part 42, a first arm part 44, and a second arm part 46. The center holder part 42 extends from the front plate 31 of the rotating part 30 in the front direction and in a direction parallel to the installation surface G. The first arm portion 44 and the second arm portion 46 are fixed to the central holder portion 42 via fixtures 43 and 45 so as to be orthogonal to the central holder portion 42. The first arm portion 44 and the second arm portion 46 are separated by a predetermined length so that a person requiring care is suspended between them. A sling sheet SH for suspending a care recipient is hung between them.

  A handle 25 used by an assistant when moving the nursing care transfer device 1 on the installation surface is provided on the rear side of the rotating unit 30, that is, on the side opposite to the hanging unit 40.

  The pair of linear actuators 50 </ b> A and 50 </ b> B is a long actuator provided at each end of the base main body 12 so as to extend upward from the base main body 12. The pair of linear actuators 50 </ b> A and 50 </ b> B are controlled by the control unit 60 to control the length of expansion and contraction, the speed and timing of expansion and contraction. The pair of linear actuators 50 </ b> A and 50 </ b> B are inclined so that the upper end portions 50 a are directed toward the lifting shaft guide portion 20. Each upper end portion 50 a of the pair of linear actuators 50 </ b> A and 50 </ b> B is attached to the rotating portion 30.

  Next, the mounting form of the linear actuators 50A and 50B to the rotating unit 30 will be described with reference to FIGS.

  As shown in FIGS. 2 to 4, the rotating unit 30 includes a back plate 32 positioned on the rear side of the front plate 31 in addition to the above-described front plate 31. The back plate 32 has an annular shape. The front plate 31 also has an annular shape with the same diameter as the back plate 32, but the front plate 31 is partially cut away so that the front surface of the back plate 32 is partially exposed as shown in FIG. . Specifically, the front plate 31 is in a symmetric position with respect to the axis O of the rotating unit 30, and a pair of edges at positions that sandwich the center of the rotating unit 30 in the horizontal direction are cut out. And the upper end part 50a of each linear actuator 50A, 50B is rotatably attached to the part which the front plate 31 was notched and the front surface of the back plate 32 exposed. More specifically, the upper end portions 50a of the linear actuators 50A and 50B are attached at positions that sandwich the axis O of the rotating portion 30 in the horizontal direction.

  The rotating unit 30 is attached to the lifting shaft guide unit 20 via a bearing 34, a fixed unit 36, and a guide block 38. Bearings 34 are fitted inside the front plate 31 and the back plate 32. A fixed portion 36 is fitted inside the bearing 34, and the fixed portion 36 includes a shaft portion 36A and a bearing pressing portion 36B that extend along the axis of the bearing 34. Therefore, the rotating part 30 is rotatably attached to the fixed part 36 via the bearing 34. That is, the front plate 31 and the back plate 32 of the rotation unit 30 can be rotated clockwise or counterclockwise around the rotation axis O. The rotation axis O of the rotation unit 30 is the same as the axis of the bearing 34. In the present embodiment, the rotation axis O of the rotation unit 30 is an axis that passes through the center of the rotation unit 30. The fixed portion 36 is fixed to a guide block 38 guided by the lifting shaft guide portion 20.

  An angle detector (sensor S) that detects an angle at which the back plate 32 is rotated with respect to a portion that does not rotate (for example, the fixed portion 36 and the guide block 38) is provided on the rear surface of the back plate 32. ing. As the sensor S, an encoder or a potentiometer can be employed. The sensor S feeds back the detected angle information to the control unit 60.

  Furthermore, the attachment position of the hanging part 40 in the rotation part 30 is demonstrated, referring FIG.

  As shown in FIG. 5, the central holder portion 42 of the hanging portion 40 is attached not to the position of the rotation axis O of the rotation portion 30 but to a position biased toward the edge of the rotation portion 30. . Therefore, when the rotation part 30 rotates, the position of the center holder part 42 (relative position with respect to the rotation axis O) changes accordingly. This is because the use state of the nursing care transfer device 1 as shown in FIG. 6 is assumed. FIG. 6 shows a state in which the person requiring care is wrapped and lifted by the sling sheet SH suspended from the suspension unit 40.

  At this time, the care recipient needs to get up from the lower left side of the rotation unit 30 while holding the hand on the center holder part 42. At that time, in order to secure a sufficient space between the body of the person requiring care and the central holder part 42 or to avoid the risk of the body of the person requiring care contacting the center holder part 42, It is desirable that the center holder part 42 is disposed at a position where the center holder part 42 is retracted from the care recipient (in FIGS. 5 and 6, a position on the upper right side from the rotation axis O). According to the center holder portion 42 attached at a position displaced from the rotation axis O, the position changes as the rotation portion 30 rotates, so that the center holder portion 42 can be arranged at a desired position. .

  Next, raising and lowering and turning of the turning unit 30 will be described with reference to FIGS.

  For example, when the rotating unit 30 is raised, the control unit 60 operates both the pair of linear actuators 50A and 50B to extend by the same length at the same speed, as shown in FIG. In this case, the pair of linear actuators 50 </ b> A and 50 </ b> B lifts the rotating unit 30 without causing the rotating unit 30 to rotate. As a result, the entire rotation unit 30 rises along the lifting shaft guide unit 20. In addition, the rotation about the axis | shaft of the rotation part 30 does not arise in the case of a raise. Conversely, when lowering the rotating unit 30, the control unit 60 operates both the pair of linear actuators 50A and 50B so as to shorten the same length at the same speed, thereby rotating the rotating unit 30. The rotating part 30 descends along the elevating shaft guide part 20 without any movement.

  When rotating the rotating unit 30, the control unit 60 makes the extension lengths of the pair of linear actuators 50A and 50B different. In the example shown in FIG. 8, one linear actuator 50A is shortened and the other linear actuator 50B is extended. In this case, the pair of linear actuators 50 </ b> A and 50 </ b> B rotates in the above-described rotation unit 30, and the rotation unit 30 rotates counterclockwise. As a result, the entire rotation unit 30 rotates counterclockwise around the axis O. Conversely, when one linear actuator 50A is extended and the other linear actuator 50B is shortened, the rotating unit 30 rotates clockwise about the axis O.

  The rotation of the rotation unit 30 is not limited to the case illustrated in FIG. 8, and even when both the pair of linear actuators 50 </ b> A and 50 </ b> B extend (or shorten), the extension amounts (shortening amounts) are different from each other. Rotation occurs.

  Note that the control of the amount of rotation of the rotation unit 30 is realized by feedback control using the angle information of the sensor S by the control unit 60.

  As described above, in the nursing care transfer machine 1, the pair of linear actuators 50A and 50B have the same expansion / contraction speed and expansion / contraction length, so that the rotating unit 30 moves up and down, and the hanging unit 40 is associated therewith. Goes up and down. Moreover, by making the expansion / contraction speed and expansion / contraction length of the pair of linear actuators 50A and 50B different, the rotation unit 30 rotates and the suspension unit 40 tilts accordingly. That is, in the nursing care transfer device 1, since the lifting and lowering and tilting of the suspension part 40 are realized only by the linear actuators 50A and 50B, the structure is simplified. In addition, since the structure is simplified, the number of parts is reduced, and the weight and cost can be reduced.

  Further, as shown in FIG. 2, the attachment position of the upper end portion 50a of the pair of linear actuators 50A and 50B is a position that sandwiches the axis O of the rotating portion 30 in the horizontal direction. With such a positional relationship, the expansion and contraction of each linear actuator 50 </ b> A, 50 </ b> B is efficiently converted into the rotation of the rotation unit 30.

  Further, the central holder part 42 of the hanging part 40 extends from the turning part 30 at a position above the axis O of the turning part 30. With such a positional relationship, as described above, the central holder portion 42 can be disposed so as to be away from the care recipient, and a sufficient space can be secured between the body of the care recipient and the central holder portion 42. The risk that the body of the care recipient needs to contact the central holder part 42 can be avoided.

  Moreover, since the rotation part 30 is provided with the sensor S which detects the angle rotated about the axis | shaft, since rotation of the rotation part 30 can be controlled with high precision, tilting of the suspension part 40 is possible. The angle can also be controlled with high accuracy.

  In addition, also with the structure shown below, raising / lowering and rotation of the rotation part 30 are realizable.

  9 and 10 are modes in which the rotating unit 30 is moved up and down and rotated in the above-described nursing care transfer device 1 without the lifting shaft guide unit 20. Also in this aspect, similarly to the above-described embodiment, the pair of linear actuators 50A and 50B is moved up and down by making the extension speed and extension length the same (see FIG. 9), and the pair of linear actuators 50A. , 50B is made to change the extension speed and extension length, so that the turning unit 30 turns (see FIG. 10). That is, in the nursing care transfer machine 1, the lifting shaft guide unit 20 is not necessarily required in order to raise and lower and rotate the rotating unit 30.

  However, by providing the above-described lifting shaft guide portion 20, high stability of the position and posture of the rotating portion 30 can be obtained.

  11 and 12 are modes in which the rotating unit 30 is moved up and down and rotated using the linear actuator 50C that is not inclined in the above-described nursing care transfer device 1. FIG. The upper end portion 50a of the linear actuator 50C is attached to a non-rotating member (for example, the inner ring 34b of the bearing 34) of the rotating portion 30. Therefore, the rotating unit 30 moves up and down according to the expansion and contraction of the linear actuator 50C (see FIG. 11). Moreover, the rotation part 30 rotates according to expansion / contraction of the linear actuator 50D (refer FIG. 12). That is, the functions are shared so that the linear actuator 50C is mainly responsible for raising and lowering the rotating part 30, and the linear actuator 50D is mainly responsible for rotating the rotating part 30. Even in such an embodiment, the pair of linear actuators 50C and 50D realize the lifting and tilting of the hanging portion 40, and the structure of the nursing care transfer device 1 can be simplified.

  Moreover, the rotation part 30 mentioned above can implement | achieve raising / lowering and rotation also by the structure shown below. That is, as shown in FIG. 13, a semicircular arc member 32 </ b> A is fixed to the back surface of the front plate 31 of the rotating unit 30 instead of the above-described back plate 32. The arcuate member 32 </ b> A is attached to the outer periphery of the bearing 34 and is rotatable with respect to the fixed portion 36. The upper end portions 50a of the linear actuators 50A and 50B are rotatably attached to the respective end portions of the arcuate member 32A. More specifically, the upper end portions 50a of the linear actuators 50A and 50B are attached at positions that sandwich the axis O of the rotating portion 30 in the horizontal direction. Even in such a rotating part 30, the entire rotating part 30 including the front plate 31 and the arcuate member 32A can be rotated clockwise or counterclockwise.

  DESCRIPTION OF SYMBOLS 1 ... Care transfer machine, 10 ... Base part, 20 ... Elevating shaft guide part, 30 ... Turning part, 40 ... Hanging part, 42 ... Center holder part, 44, 46 ... Arm part, 50A-50D ... Linear actuator , O ... axis, S ... sensor.

Claims (5)

A nursing care transfer machine comprising a central holder portion that extends in parallel to the installation surface and is provided with first and second arms for hanging a care recipient.
A base portion placed on the installation surface;
A pair of linear actuators each extending upward from the base portion;
A nursing care transfer machine comprising: a rotating part attached to each upper end part side of the pair of linear actuators and attached to the central holder part. A lifting shaft guide portion that extends upward from the base portion and guides the rotating portion in the vertical direction,
The pair of linear actuators according to claim 1, wherein the pair of linear actuators extends along the lifting shaft guide portion.   The nursing care transfer machine according to claim 1 or 2, wherein an attachment position of the upper end portions of the pair of linear actuators is a position where the shaft of the rotating portion is sandwiched in the horizontal direction.   The said center holder part is the transfer machine for care as described in any one of Claims 1-3 extended from the rotation part of the position above the axis | shaft of the said rotation part. The transfer device for care according to any one of claims 1 to 4, further comprising an angle detector that detects an angle of rotation of the rotating unit.

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