JP4375504B2 - Transfer device - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention makes it easy and safe for an elderly person with weak legs or a physically handicapped person to move from a bed to a wheelchair, or to a wheelchair, toilet seat, shower chair, sofa, etc. without raising the transferred person. It is related with the transfer apparatus which can be transferred to.
[0002]
[Prior art]
In this type of transfer device, the structure that lifts the transferee with a belt or the like is troublesome when lifting the transferee or when it is lowered on the transfer object, and the instability caused by the lifting operation is also a problem. Therefore, for the purpose of solving this problem, for example, a column is erected so as to be capable of tilting on a rotating disk, and a receiving plate is provided at the tip thereof (see JP-A-1-195857), A pillar is erected on a pedestal with casters, a branch pole that can be tilted from a position approximately corresponding to the height of the knee is provided, and a body holder is provided at the tip of the branch pole (Japanese Patent Laid-Open No. No. 3-218755) has been proposed.
[0003]
However, both the former and the latter have a structure in which the struts and branches stand up by stepping on the pedals, so the struts and branches stand up slowly and quietly with the upper body of the transferee placed on the backing plate and holder. , it is not easy to tilting, therefore, too stepping strongly pedal abruptly upright struts, a branch pillar, there be inclined posture becomes unstable, eyes angle of the ERROR person abruptly changes May cause a feeling of fear. In addition, this point is that when moving the transferred person to the target transferred object from the device, it must be operated taking into account the momentum of lowering the weight center of gravity of the transferred person. In some cases, the use of the device was refused.
[0004]
In particular, when the caregiver is a weak woman or an elderly person, the operation is difficult, and when the upper body of the transferee is attached to the receiving plate and the holder, the inclination angle, height, and position are changed. There was also a problem that could not be changed and was inconvenient.
[0005]
[Problems to be solved by the invention]
The present invention has been made in view of the above-described problems, and does not lift the transferred person by a belt or the like, or transfer the transferred person by supporting the side or knee, but the transferred person's thigh and back. It is an object to provide a transfer device that can be operated easily and safely for transfer between various beddings and chairs.
[0006]
[Means for Solving the Problems]
The present invention includes a body frame having a pair of left and right front wheels and a rear wheel, the rear side of which is opened, a support column standing on the vehicle body frame, and a pair of left and right arms provided on a pair of left and right arms provided on the support column. a seat, a handrail frame body having an open attached rear side to the support column, the ERROR apparatus comprising a back receiving portion that is disposed in the seat behind, the order to enable lifting the seat up and down The support is provided with an elevating mechanism, and the arm is pivotally attached to the support by a front-rear shaft positioned at the front of the knee of the transferred person, thereby eccentrically rotating the seat from the upper side to the lower side. In addition, the arm has a crank shape and can be rotated while bypassing the knee of the transferred person, and a seat provided at the rear can be inserted below the thigh. It is characterized by being.
[0007]
Further, the seat portion or the back receiving portion is configured to be tiltable through a rotatable mounting portion.
[0008]
In addition, the mounting portion of the arm is provided with a displacement mechanism capable of moving the seats apart and approaching each other when the seat attached to the rear end of the arm is positioned on the outside upper side. .
[0009]
Then, the displacement mechanism is fixed so as to intersect a pair of brackets provided on the front and rear surfaces of the column, a bearing provided with a hole portion in the front-rear direction, and a second bearing provided with a hole portion in the left-right direction. a double bearing member made, consists of a shaft portion formed by providing the longitudinal groove to the axis of the left-right direction provided on the proximal end of the arm, inserting the shaft portion of the arm to the second bearing of the mounting member The bearing member is fixed between the brackets so that the shaft in the front-rear direction is inserted into the groove portion of the shaft fixed to the arm, and a gap (S3) is provided at a portion where the shafts intersect, and the arm It is characterized in that, when the arm is positioned on the outer upper side, the seat portions can be horizontally rotated and the interval between the seat portions can be adjusted.
[0010]
Furthermore, a bag body containing fluid or gas is provided in the lower rear part of the seat part, and the bag body is configured to bulge to the rear part of the seat part by contact with an object when the seat part is lowered. To do.
[0011]
[Action]
For example, when transferring from a bed to a wheelchair or from a wheelchair to a toilet seat using the transfer device according to the present invention, the operation is performed by a caregiver according to the following procedure.
(A) In the case of a bed, the person to be transferred must sit on the bedside. In addition, in a wheelchair or a toilet seat, the seated state may be sufficient.
(B) The back receiving portion and the seat portion are rotated outward and upward so that the rear side of the transfer device is open in plan view, and the transfer device is moved so that the transferee enters the open space.
(C) The transfer device is moved so that the seat is positioned on the side of the thigh . In addition, even when there are frame bodies on both sides, such as a wheelchair, the seat of the transfer device can be rotated horizontally with respect to each other when positioned on the outside upper side, and the width between both seats can be adjusted as appropriate. Therefore, it can be easily inserted between the frame and the thigh.
(D) After operating the elevating mechanism of the seat part and adjusting the height of the seat part, the seat part is rotated from the upper outer side to the lower inner side, and the thigh and bed along the transferee's thigh Alternatively, the seat is inserted into a triangular space formed between the chair bodies.
(E) The back support portion is rotated along the back of the transferred person to hold the back.
(F) Operate the elevating mechanism of the seat to bring the transferred person up from the bed or wheelchair. At this time, the tilting mechanism provided in the seat allows the seat to tilt so as to adapt to the rider's riding body force, and the pressure resistance of the transferee can be maintained throughout the seat. It has a good configuration. Further, the back support portion is similarly provided with a tilting mechanism, and the back support portion can be tilted according to the angle of the back.
(G) The transferee is moved onto the transfer target object, the lifting mechanism is operated, and the transferee is seated on the target object. At this time, the thigh may be caught between the seat and the object, but when the seat comes into contact with the object due to the pinching prevention bag provided below the seat, the bag bulges rearwardly. It is configured to prevent pinching by pushing up the thigh.
(H) After that, the seat portion is rotated outward and the back support portion is rotated outward from the back. In this state, since the rear side of the transfer device is open in plan view, the transfer is completed if the transfer device is pulled out as it is.
(I) The both seats are spaced apart by a fixed distance, and hold the thighs, so the lower part of the hips is open. That is, it is also possible to add work by moving on the toilet seat.
[0012]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0013]
The transfer apparatus 1 includes a vehicle body frame 4 having a pair of left and right front wheels 2 and 2 and rear wheels 3 and 3 attached to a lower portion thereof. The vehicle body frame 4 is substantially U-shaped so as to form a recessed space S1 having an open rear side in plan view, and mainly includes a base plate 5 and support frames 6 and 6. In this embodiment, the expansion / contraction mechanism 7 is provided so that the width of the vehicle body frame 4 can be adjusted.
[0014]
The base plate 5 is an L-shaped plate in a side view and includes a pair of shaft bodies 5a and 5a fixed to the lower surface in the vertical direction. Bearings 8 and 8 joined to the ends of the support frames 6 and 6 are pivotally attached to the shafts 5a and 5a. The support frames 6 and 6 are bent in an approximately L shape in plan view, and caster mounting members 9 and 9 bent in an approximately L shape in a side view are fixed to the front and rear portions. . The bearings 8 and 8 are each provided with a groove portion into which the interlocking key 10 is fitted, and the other bearing 8 is also rotated in conjunction with the rotation of the one bearing 8. Further, a plate 11 is fixed to one bearing 8 so as to protrude forward. The plate 11 is provided with a hole portion 11a through which a pin 12a fixed to an operation lever 12 described later is inserted. A hollow cylinder 13 that pivotally supports the operation lever 12 is fixed to the front end portion of the base plate 5, and an operation lever 12 bent in an L shape is pivotally supported on the cylinder. A pin 12a is eccentrically fixed to the lower part of the operation lever 12. That is, when the operation lever 12 is rotated, the bearing 8 to which the plate 11 is fixed is rotated, and the other bearing 8 is also rotated so as to synchronize with the movement of the interlocking key 10. That is, the width between the support frames 6 and 6 of the vehicle body frame 4 can be appropriately adjusted by the operation of the operation lever 12.
[0015]
In the expansion / contraction mechanism 7, the bearings 8 and 8 are actuated by the interlocking key 10. However, there is no problem even if the gear is engaged by using a gear or the like.
[0016]
Reference numeral 14 denotes a support provided with an elevating mechanism, which is a prism in this embodiment. The column 14 is provided with a sliding frame 17 through linings 16, 16,... So as to be slidable on an outer peripheral portion of a frame body 15 erected on the base plate 5 of the vehicle body frame 4. The frame 15 and the sliding frame 17 are provided with a lifting mechanism described below.
[0017]
Reference numeral 18 denotes a screw shaft, which is screwed into a screwed body 20 fastened to an upper portion of a cylindrical cylindrical body 19 provided in the frame body 15, and an upper end attached to a sliding frame 17 via a bracket 21. 22 is supported via a bearing 23. Reference numeral 24 denotes an anti-shake collar attached to the lower end of the screw shaft 18.
Reference numeral 22 a denotes a locking claw provided on the outer periphery of the upper end of the metal 22.
A lever 25 is pinned to the upper end of the screw shaft 18.
Reference numeral 26 denotes a rotation operation lever, which is fixed to a metal fitting 28 pivotally attached to the lever 25 by a pin 27.
Reference numeral 29 denotes a locking body provided on the metal fitting 28.
Reference numeral 30 denotes a spring interposed between the metal fitting 28 and the lever 25, which urges the metal fitting 28 upward. When the rotary operation lever 26 is moved downward against the spring 30, the locking claw 22a and the locking body 29 are provided. And the screw shaft 18 can be rotated.
[0018]
The sliding frame 17 of the column 14 is provided with a crank-shaped arm 31 that bypasses the foot of the transferee M, and the arm 31 is provided with a seat portion 32. Reference numerals 33 and 34 denote brackets fixed to the front and back surfaces of the sliding frame 17. A bearing portion 35 fixed to the base portion of the arm 31 is pivotally mounted between the brackets 33 and 34 by using a shaft 36. Reference numeral 37 denotes a flange fixed to the front end portion of the bearing portion 35, and includes notches 37 a and 37 a so as to be engaged with the lever 38. That is, the arm 31 is configured to be held at each of the upper position on the outer side and the lower side on the inner side in front view. More specifically, the arm 31 bypasses the knee part from the bearing part 35 located at the front part of the knee of the transferee M and is further seated (for example, the bed B) between the arm 31 and the thigh of the transferee M. In a plan view, it is substantially C-shaped or U-shaped so as to be inserted into the triangular space S <b> 2. A bearing portion 35 is positioned between the brackets 33 and 34, and is pivotally supported by a shaft 36 in the front-rear direction. As shown in FIG. 7, a flange 37 having notches 37a and 37a is fixed to the bearing portion 35. Locking claws 38a of a lever 38 locked to a pair of shafts 33a, 33a fixed to the bracket 33 are locked to the notches 37a, 37a , thereby restricting the rotation of the arm 31. Reference numeral 39 denotes a plate for preventing the lever 38 from coming off.
[0019]
In the drawings, an embodiment of a displacement mechanism provided on the arm is shown, and the same parts as those described above are denoted by the same reference numerals. A front and rear bearing 40 is provided between the brackets 33 and 34, and a left and right bearing 41 is fixed in a state where shafts 36 and 42 that pass through each other intersect, that is, a double bearing is attached. The brackets 33 and 34 have the same configuration as described above. A shaft 42 fixed to the base portion of the arm 31 is inserted into the bearing portion 41 in the left-right direction, and a bearing portion 40 in the front-rear direction is pivotally attached by a shaft 36 between the brackets 33 and 34. The shaft 42 is provided with a groove 42a at a portion intersecting with the shaft 36, and by providing a gap S3 with the shafts 36, 42, when the arm 31 is positioned on the outer upper side, both arms 31, 31 are provided. Can be horizontally rotated, and the interval between the seat portions 32, 32 can be adjusted as appropriate.
[0020]
The displacement mechanism is not limited to the present embodiment. For example, the left and right bearing portions 35 and 35 are spaced apart from and approach each other by using a hole portion as a bearing portion of the brackets 33 and 34 as a long hole in the left and right direction. It may be configured.
[0021]
A mounting portion 43 of the seat portion 32 is provided at the rear portion of the arm 31. The mounting portion 43 is provided with a bearing portion 43b at the rear end portion of the plate 43a fixed so as to protrude rearward from the arm 31, and an angle-regulating plate 43c at the bearing portion 43b. The bearing portion 43b and the bearing portion 44 provided on the seat portion 32 are pivotally attached to each other by a pin 45. That is, the seat portion 32 can be appropriately tilted in accordance with the seated posture of the transferee M, can hold the thigh on the entire surface of the seat portion 32, and is configured not to be locally loaded. It has been done. In addition, the bearing portion 44 serving as a fulcrum at the time of tilting is provided in the vicinity of a substantially middle portion of the seat portion 32 in the front-rear direction.
[0022]
Above the arm 31 and the seat portion 32, a substantially U-shaped handrail frame body 46 is fixed to the sliding frame 17 in a plan view with the rear opened. Handrails 47 are fixed to the left and right rear portions.
[0023]
A back support 48 is arranged behind the seat 32. The back support 48 is joined to rotating means 49 provided at one end of the handrail frame 46. The rotating means 49 includes a hollow cylindrical body 50 partially provided with a locking claw 50a, a shaft member 52 provided with a locking claw 51a on the outer peripheral portion of a shaft body 51 inserted into the cylindrical body 50, and each other. It consists of a cover 53 that covers the outer peripheries of the locking claws 50a, 51a. A substantially L-shaped back support attachment pipe 54 is fixed to the rear end portion of the shaft member 52. The shaft body 51 is provided with a groove 51b, which is inserted into the cylinder 50 and fixed with a screw 55. That is, the back mounting pipe 54 is configured to be able to rotate at an angle (180 degrees in this embodiment) with which the locking claws 50a, 50a contact each other with the shaft body 51 as the rotation center. .
[0024]
A hollow cylindrical body 56, a part of which is a locking claw 56a, is fixed to the other end of the back mounting pipe 54. The substantially trapezoidal back support frame 57 is fixed with a hollow cylinder 58 and a shaft member 59 provided with a locking claw 59b on the outer periphery of the shaft 59a. A lock member 61 provided with a lever 60 is pivotally attached to the cylinder 58 by a pin 62, and a shaft member 59 is pivotally attached to the cylinder 56. That is, the lock member 61 is rotated from the position where the lock member 61 is engaged with the engagement claw 56a, and can be rotated to the position where the engagement claw 56a contacts the engagement claw 59b. 63, 63... Are reinforcing members. A cover containing a cushioning material is attached to the outer periphery of the back support frame 57, which is not shown in the drawing.
[0025]
In the present embodiment, the back support 48 is provided at one end of the handrail frame 46, but a pair of back supports provided at both ends and configured to be rotatable are also possible.
[0026]
Further, FIG. 14 relates to prevention of pinching and includes a balloon-like bag body 64 fixed to the lower surface of the seat portion 32. A fluid or gas is enclosed in the bag body 64, and when the seat portion 32 comes into contact with an object to be transferred, the bag body 64 is deformed so as to bulge rearward of the seat portion 32. By pushing up the thigh, pinching between the seat 32 and the transfer object is prevented.
[0027]
In order to transfer the transferee M using the transfer device 1, first, in the case of the bed B, the transferee M is placed on the bedside. In addition, in a wheelchair or a toilet seat, the posture while sitting is sufficient.
[0028]
Next, the back receiving portion 48 and the seat portions 32, 32 are rotated outward and upward so that the rear side of the transfer device 1 is open in plan view, and the transferee M enters the open space so that the transferred person M can enter the open space. Move 1 At this time, depending on what the transferee M is seated on, there is a wide width or where the door interval is narrow. In such a case, the operation lever 12 of the vehicle body frame 4 is operated to appropriately increase the width of the vehicle body frame 4. Adjust it.
[0029]
And the transfer apparatus 1 is moved so that the seat parts 32 and 32 may be located in a side part to a thigh. Even in the case where there are frames on both sides, such as a wheelchair, the seats 32, 32 of the transfer device 1 can be horizontally rotated with respect to each other when positioned on the outside upper side. Since the width of 32 can be adjusted as appropriate, it can be easily inserted between the frame and the thigh.
[0030]
When the height of the seats 32, 32 is not appropriate, the rotation operation lever 26 is turned to adjust the height of the seats 32, 32, and then the seats 32, 32 are rotated from the upper side to the lower side. The seats 32 and 32 are inserted into the triangular space S2 formed between the thigh and the bed B or the chair body along the thigh of the transferee M as shown in FIG. In addition, since the axis | shaft 36 used as the base end of this rotation is provided on the extension line of the knee of the transferee M, the seating surfaces 32 and 32 can rotate along the thigh of the transferee M. is there.
[0031]
Next, the back receiving part 48 is rotated along the back of the transferee M to hold the back.
[0032]
In order to raise the seats 32, 32, the rotation operation lever 26 is rotated to bring the transferred person M up from the bed B or the wheelchair. At this time, the seating portions 32 and 32 are tilted so as to adapt to the riding posture of the transferee M by the tilting mechanism provided in the seating portions 32 and 32, and the body pressure of the transferee M is maintained in the entire seating portion. It is possible to do, and it has a comfortable configuration. Further, the back support 48 is similarly provided with a tilting mechanism, and the back support 48 can be tilted according to the angle of the back.
[0033]
Thereafter, the transferee M is moved onto the transfer object, the rotation operation lever 26 is operated, and the transferee M is seated on the object. At this time, there is a possibility that the thighs may be sandwiched between the seats 32 and 32 and the object, but the seats 32 and 32 are the objects by the action of the pinching prevention bag body 64 provided on the lower surface of the seats 32 and 32. When the bag body 64 comes into contact, the bag body 64 bulges to the rear of the seat portions 32, 32 and pushes up the thigh to prevent pinching.
[0034]
Then, the seat portions 32 and 32 are rotated outward and upward, and the back receiving portion 48 is rotated outward from the back. In this state, since the transfer vehicle 1 is open on the rear side in plan view, the transfer is completed if the transfer vehicle 1 is pulled out as it is.
[0035]
In addition, since the said both seat parts 32 and 32 are spaced apart by the fixed space | interval and hold | maintain a thigh, the lower part of the buttocks is opened. That is, it is also possible to add work simply by moving on the toilet seat.
[0036]
【The invention's effect】
As described above, since the transfer device of the present invention can hold the thigh and back of the transferee, it can be transferred in a normal seated state, and there is no instability such as lifting with a belt or the like. .
Further, insertion of the seat portion below the thigh can be performed with a very easy operation by using the triangular gap S2 formed between the thigh and the bed.
The seat portion and the backrest portion are freely tiltable, are adapted to the seated posture of the transferred person, are held at an optimum angle, and are comfortable to ride.
Furthermore, when the seat portion is positioned on the outer upper side, the seat portion width can be adjusted as appropriate, and the seat portion can be used for various wheelchairs and the like.
As described above, the transfer device of the present invention is easy to operate, and the transferee can also be transferred without being mentally distressed because the transferee can transfer in a seated state instead of being lifted.
[Brief description of the drawings]
Overall plan view of a ERROR apparatus according to the invention, FIG 2 shows a side view [FIG 3] a front view thereof FIG. 4 is a plan view showing the body frame [5] explanatory view showing a decreasing mechanism FIG. 6 is a side sectional view showing a support post. FIG. 7 is an explanatory view showing an arm mounting portion. FIG. 8 is an explanatory view showing an operation of a seat portion. FIG. 9 is an explanatory view showing a rotating means of a back support portion. 10] Explanatory view showing the tilting mechanism of the back support portion [FIG. 11] Overall plan view showing the state before transfer [FIG. 12] Its side view [FIG. 13] Its front view [FIG. 14] Explanatory view showing the pinching prevention mechanism FIG. 15 is an overall side view showing a transfer state. FIG. 16 is a plan view showing the operation of the arm (the handrail frame and the back receiving portion are not shown).
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Transfer apparatus 2 Front wheel 3 Rear wheel 4 Body frame 7 Expansion / contraction mechanism 14 Support | pillar 31 Arm 32 Seat part 36 Axis 43,44 Seat part attachment part 46 Handrail frame 48 Back support part 56-62 Back support part attachment part 64 Bag body M Passenger B Bed

Claims (3)

A body frame having a pair of left and right front wheels and a rear wheel, the rear side of which is open, a support column erected on the vehicle body frame, and a pair of left and right seats provided on a pair of left and right arms provided on the support column; In a transfer device comprising a handrail frame body attached to the column and having a rear side opened, and a back receiving unit disposed behind the seat unit, the column unit is moved up and down to allow the seat unit to be moved up and down. A mechanism is provided, and the arm is pivotally attached to the column with a front-rear axis positioned at the front part of the knee of the transferred person, so that the seat part is eccentrically rotated from the upper side to the lower side. , the arm is a cranked shape, Ri can der to plugging the seat, which is provided in the rotatable and the rear part while bypassing the knee of the ERROR's thighs downward, the Attached to the arm attachment and the arm rear end In order to provide a displacement mechanism that can separate and approach the two seat portions when the seat portion is positioned on the outer upper side, a pair of brackets provided on the front and rear surfaces of the support column and a front and rear direction are provided. A double bearing member that is fixed so as to cross a bearing provided with a hole and a second bearing provided with a hole in the left-right direction, and a front-rear direction on a left-right axis provided at the base end of the arm A shaft portion provided with a groove portion of the shaft, wherein the shaft portion of the arm is inserted into the second bearing of the mounting member, and the shaft member in the front-rear direction is fixed to the arm between the brackets. Is fixed so as to be inserted into the two, and a gap (S3) is provided at a portion where the axes intersect with each other so that the arms can be freely rotated from the upper outside to the lower inner side. The seat can be rotated horizontally and the spacing between the seats can be adjusted. ERROR and wherein the a.   The transfer device according to claim 1, wherein the seat portion or the backrest portion is configured to be tiltable via a rotatable mounting portion. A bag body containing a fluid or a gas is provided in the lower rear part of the seat part, and the bag body is configured to bulge to the rear part of the seat part by contact with an object when the seat part is lowered. The transfer device according to claim 1 or claim 2 .

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