JP6983412B2 - Travel lift device - Google Patents

Description

The present invention relates to a traveling lift device for transferring a person receiving long-term care (hereinafter referred to as "the person being cared for").

The traveling lift described in Patent Document 1 and Patent Document 2 is mainly related to the narrowing of the storage space and the ease of handling in a general house, and is mainly a living room in which a bed for a care recipient is placed. It is installed inside and is used, for example, to transfer a care recipient between a bed and a wheelchair.

Japanese Unexamined Patent Publication No. 2000-245784 Japanese Unexamined Patent Publication No. 2000-152963

However, since the traveling lift has a structure that is assumed to be installed in the living room and used in the living room, the care recipient can be moved from the bed in the living room, for example, at the entrance / exit of the living room or other than the living room. When transferring to a narrow place (for example, a toilet room, a bathroom, or the inside of a passenger car when moving by a passenger car), due to the above-mentioned structure of the living room, the passenger car, etc., it is smooth to the place to be transferred. There was a problem that it was difficult to transfer because it was not possible to approach.

In view of the above problems, the present invention provides a traveling lift device that can be easily carried in even in a narrow place, is hard to tip over, or can be driven by an electric drive motor. With the goal.

The traveling lift device according to claim 1 according to the present invention includes a base, a support column erected on the base, an arm rotatably attached to the upper end of the support column, and the support column and the arm. An electric drive means for rotating the arm interposed therein, a pair of rod-shaped legs pivotally attached to the base end portion so as to be rotatable in the horizontal direction at appropriate intervals from the base, and the above. An electric drive means for rotating the pair of legs interposed between the pair of legs, a front wheel attached to the tip of each leg of the pair of legs, and a rear lower portion of the base. a run line lifting device provided with a rear wheel of the pair, said pair of legs pivotally attached rotatably on the base, outwardly from the direction and the parallel state purse inward to an opposing parallel state The pair of legs are provided so as to be rotatable in the opening direction and rotate in opposition to each other, and the pair of legs are provided with an auxiliary ring provided at the tip of each support arm projecting laterally to the outside of a substantially central portion of each leg. When attached and the pair of legs is minimally constricted, the distance between the auxiliary wheels is characterized by being equal to or less than the width between the outer surfaces of both rear wheels attached to the base.

Since the traveling lift device having the above configuration can rotate within the range of the position where the pair of legs is narrowed and the position where the pair of legs is opened, human power or a motor can be used in a narrow place with the pair of legs narrowed. By driving, it enters easily and smoothly, during which the training wheels prevent sideways fall, the legs are opened at the desired location, the device is kept stable, and the care recipient suspended from the arm. You can transfer it to the desired location.

The traveling lift device according to claim 2 according to the present invention is provided so as to drive the rear wheels attached to the base by an electric drive motor attached to the base in addition to the configuration according to the first aspect. It is characterized by.

Since the traveling lift device having the above configuration is provided so that the wheels attached to the traveling of this device are driven by an electric motor, the movement is quick and the leg narrowing and the leg opening are affected. Therefore, the action and effect of claim 1 can be sufficiently achieved. In addition, when the care recipient himself operates the remote controller to transfer from the bed to the wheelchair, or to move in the toilet room, bathroom, or passenger car, it becomes easy to move or transfer the passenger car into the room.

In the traveling lift device according to claim 3, the tip of the electric drive means for rotating the arm is removed from the arm, and the electric drive means for rotating the arm and the arm are separated from each other. along a said post, said post, said post pull the fixed source Kek preparative, said along a pair of legs, the arm foldably by pivots along a said strut relative to said post It is provided so that a hanger can be attached to and removed from the tip of the arm , and all the components are contained within the volume formed by the length, height, and width of the folded main unit. And.

The traveling lift device having the above configuration is provided so that each member can be folded without being disassembled significantly. If this is fastened, the entire device can be easily moved, transported, and stored, and the hanger can also be an arm. It is a member that is difficult to handle by hanging around because it can be removed from the device, but it can be assembled to this device or removed separately, making it convenient to handle.

It is a perspective view of the apparatus of this invention which shows the state which the pair of legs are opened and the arm is rotated downward. FIG. 3 is a perspective view of the apparatus of the present invention showing a state in which a pair of legs in FIG. 1 is closed and an arm is rotated upward. (a) is a cross-sectional view showing a state in which a hanger is attached to the tip of an arm, and (b) is a sectional view of an arm tip showing a method of attaching the hanger. It is a perspective view from the front near the base shown by removing a cover. It is a top view explaining the structure around the base and the rear wheel in embodiment of this invention. It is explanatory drawing of the adjustment member. It is a perspective view which shows the other embodiment of this invention. It is a figure which shows the approach state to the toilet room of the apparatus of this invention. It is a figure which shows the approach situation following FIG. FIG. 9 is a diagram showing a state in which the device has advanced to a place where the care recipient can be dropped onto the toilet bowl in the usage situation following FIG. It is explanatory drawing which shows the procedure of folding this apparatus of this invention. It is explanatory drawing which shows the procedure which follows the procedure of FIG. It is a figure which shows the situation which completed the folding. It is a side view at the time of storing the present invention of this invention in a folded state.

Hereinafter, embodiments according to the present invention will be described with reference to FIGS. 1 and 2.

The traveling lift device LF was detachably suspended from the base 4, the support column 3 standing upright on the base 4, the arm 2 rotatably attached to the upper end portion of the support column 3 and curved near the base, and the tip of the arm 2. A pair of rod-shaped legs 6A, 6B attached to the hanger 1 so as to rotate horizontally and face each other at intervals from the base 4, and the tips of the base 4 and the pair of legs 6A, 6B. It is roughly composed of a plurality of wheels attached to the lower part of the part. Hereinafter, each configuration will be sequentially described.

In the description, "forward direction" or "rear direction" means, in FIG. 1, the side where the pair of legs are widely opened from the support column 3 is referred to as the front direction, and the opposite side (rear side), that is, the support column 3 is used. The rear wheel side is referred to as the rear direction. The virtual line that passes through the center between the pair of legs in the front-back direction is called the center line, and the direction orthogonal to the center line from the lateral direction is called the left / right direction.

First, the arm 2 is formed of a prismatic pipe material, and the vicinity of the base portion 2s thereof is curved upward and forward, and is formed linearly from the curved portion 2A to the tip portion 2t. Further, the base portion 2s is pivotally attached to the upper end portion 3s of the support column 3 by a horizontal bolt 3P so as to be rotatable in the front-rear direction. The degree of bending of the curved portion 2A formed near the base of the arm 2 is related to the suspension height of the hanger 1 when the straight portion 2B of the arm 2 is rotated to the horizontal position. When transferring a person to a passenger car, the height of the entrance of the car is almost fixed and the room is small, so the device is moved and transferred while the straight part 2B of the arm 2 maintains a substantially horizontal posture. Is desirable. On the premise of such a condition, the degree of curvature of the arm 2 including the total height of the device LF is determined. Further, a saucer 2b is rotatably attached to the lower center of the arm 2 in the front-rear direction, and the tip of the actuator 14a described later is fitted. When the tip of the actuator 14a is not fitted to the tray 2b of the arm, the arm 2 can be folded along the support column 3 with the bolt 3p as the center.

A hanger 1 is detachably attached to the tip 2t of the arm 2. The hanger 1 includes a main frame 1a that is entirely curved in a bow shape, small curved hook portions 1b formed at both ends of the main frame, and a suspension rod 1c rotatably attached to the central portion of the main frame.
The tip of the suspension rod 1c is a curved hook portion, and as shown in FIG. 3A, the tip of the suspension rod 1c is hooked on a horizontal bar 2a fixed to the tip of the arm 2 to be attached. As shown in Fig. 3 (b), it can be easily attached by facing the bar 2a with the open side of the hook at the tip of the suspension rod 1c facing up and pulling from that position in the direction of the arrow. .. As shown in FIG. 2, a cloth hanging member HG that suspends the care recipient is hooked and attached to the hook portions 1b and 1b of the hanger 1.

The strut 3 is made of a prismatic pipe material and is contained in a square tubular socket 4a (attached in a state of being slightly tilted backward) fixed so as to project from the upper surface 4p of the base 4. The lower end portion is inserted, and the socket 4a and the support column 3 are tightened with a bolt 4b penetrating from the horizontal lateral direction. Reference numeral 4i is a lever integrally fixed to one end of the bolt 4b. The front upper part and the rear part of the socket 4a are notched to form notches 4d and 4e, respectively (see FIGS. 4 and 5). As shown in FIGS. 2 and 5, long grooves 3a and 3a extending in the vertical direction are formed on the left and right side surfaces of the lower end portion of the support column 3, and bolts 4b penetrating the socket 4b are inserted into the long grooves 3a. , Fasten with nuts 4c on the outside on the opposite side. By loosening the bolts and nuts, the support column 3 can be pulled out from the socket 4a along the long groove 3a and up to the lower end of the long groove 3a. It can be tilted forward along the portions 4d and 4e, and the support column 3 and the socket 4a are folded in a state of being linked by the bolt 4b and the long groove 3a. In this embodiment, long grooves 3a and 3a are formed on the opposite left and right side surfaces of the support column 3, but long grooves 3a and 3a may be provided in the socket 4a. In this case, a bolt insertion hole is formed through the support column 3. Will be done.
Further, as shown in FIG. 1, the U-shaped grip portions 3b and 3b are fixed to the support columns 3 so as to face each other on both the left and right sides of the upper portion thereof, and are attached to the front surface of the support columns 3 where the grip portions 3b and 3b are located. Is attached with a protrusion 20a that supports the buffer plug 3c. Further, a base of the electric actuator 14a having a telescopic rod is rotatably attached to the lower portion of the support column 3 so as to move in the front-rear direction, and the tip of the telescopic rod of the electric actuator 14a is an arm. It is detachably fitted in the above-mentioned saucer 2a attached to the lower center surface of No. 2 and fixed with a bolt.

In the present embodiment, the base 4 is covered with a substantially box-shaped cover, but has an upper surface 4p, a side surface 4q, and the like. As shown in FIGS. 1 and 2, the base 4 is provided with a socket 4a on the upper surface 4p, and flanges 4h and 4h are projected on the left and right side surfaces 4q and 4q of the upper surface 4p, respectively. A pair of legs 6A.6B are pivotally attached to the flanges 4h and 4h.

The pair of legs 6A and 6B consist of a prismatic pipe, which is rotatably pivoted horizontally by bolts 4g and 4g in the vertical direction to the flanges 4h and 4h of the base 4, respectively, at the base end thereof. ing. When the legs are open, the legs 6A and 6B refer to the state in which the pair of legs 6A and 6B rotate outward from the center line, and when the legs are narrowed, the pair of legs 6A and 6B are used. Refers to the state of rotating toward the center line. The shape of the leg is not limited to the shape shown in the figure, and the shape of the intermediate portion between the tip end portion and the pivot point may be free.

Front wheels 8A, 8B, 9A, 9B are attached to the tips 6At, 6Bt and the lower surface near the tips of each leg 6A, 6B. Large diameter rear wheels 7A and 7B are attached to the lower rear part of the base 4. These front wheels 8A, 8B, 9A, 9B may adopt caster type wheels that rotate around the support shaft of the wheels in order to facilitate the forward / backward movement and left / right movement of the LF of this device. desirable. Further, the large-diameter rear wheels 7A and 7B have a horizontally extended axle and are driven by an electric drive motor M mounted on the base 4. The width W (FIG. 5) between the outer surfaces of both rear wheels 7A and 7B takes into consideration, for example, the width of the entrance of the toilet room of a normal house, the width of the corridor, etc., and includes the length of a pair of legs. The length of the device is set in consideration of the depth of the toilet room and the like.

As shown in FIG. 4, an electric actuator 14b is attached between the pair of legs 6A and 6B, and the pair of legs 6A and 6B are horizontally and opposed to each other by the expansion and contraction operation of the rod of the electric actuator 14b. Both front legs rotate from a parallel state to an open direction, or from a parallel state to a narrowing direction. The control of the electric actuator 14b is performed by a remote control (not shown). Further, the illustration of a battery or the like as a drive source is omitted.

As shown in FIG. 1, at least one training wheel 10A and 10B are attached to the pair of legs 6A and 6B via the support arms 11A and 11B to the outer side of the substantially central portion of the legs 6A and 6B, respectively. ing.
The training wheels 10A and 10B are outside of each of the pair of legs 6A and 6B in the rotation direction, and are substantially the center between the tip portion 6At, 6Bt of the leg and the pivot portion (4g, 4g) of each leg. It is attached by projecting laterally outward from the part. Further, when the pair of legs is minimized, it is desirable that the distance between the training wheels 10A and 10B be set to be the same as or smaller than the width W between the training wheels.

The configuration around the rear wheels 7A and 7B of this device will be further described with reference to FIG. The rear wheels 7A and 7B are rotatably attached to the rear base 4 on which the support column 3 is erected directly via a flange or the like. The shafts of the rear wheels 7A and 7B extending in the left-right direction are connected to the drive motors M and M via gear boxes G and G, respectively. The drive operation of each wheel of the drive motors M and M is performed by a remote controller (not shown). An electric actuator 14b for rotating both in the horizontal direction and facing each other is interposed between the legs 6A and the legs 6B. Further, when the pair of legs 6A and 6B are driven by the electric actuator 14b, the adjusting member 12 is interposed between the legs so that the pair of legs 6A and 6B rotate smoothly in opposition to each other.
As shown in FIG. 6, the adjusting member 12 rotatably attaches the ends of the long and short connecting rods 12a and 12b rotatably attached to the pair of legs 6A and 6B to the spindle 12c attached to the base 4. It is connected to both ends of the attached rotary rod 12d. As a result, the pair of legs smoothly oppose each other.

Since the drive motors M and M and the rear wheels 7A and 7B driven by the drive motors M and M are attached to the base 4, the drive motors M and M and the rear wheels 7A and 7B driven by the drive motors M and M can smoothly proceed to a narrow place without interfering with the operation of squeezing or opening the front legs. Since it can be retracted and the training wheels 10A and 10B are also attached to the outside of the middle part of the pair of legs 6A and 6B, each wheel is located at the apex of the triangle formed by the pivot part of the pair of legs. Therefore, it is stable in running and operation, and even when it is driven by the drive motor M, the rear wheels touch the ground and operate effectively without idling.

Other embodiments of the present invention will be described with reference to FIG.
In the above-mentioned embodiment, the present device is driven by driving the rear wheels by the drive motor M, whereas the traveling lift device shown in FIG. 7 is configured to be driven by hand. Therefore, the drive motor M mounted on the base 4 is removed, and caster type rear wheels 7'A and 7'B are rotatably attached to the left and right rear parts of the base 4.
Since the other configurations of the embodiment of FIG. 7 are not different from those of the previous embodiment, the description thereof will be omitted by assigning the same numbers to the configurations equivalent to those of the previous embodiment.

An example of using the traveling lift device of the present invention will be described.
First, at the position shown in FIG. 1, in order to transfer the care recipient from the bed to the present device, the care recipient is wrapped in the hanging member HG, and the end portion thereof is hooked on the hanger 1 and hung. Next, the electric actuator 14a is operated to rotate the horizontal portion of the arm 2 to the extent that it is tilted horizontally or more, and the position of the hanger 1 is raised from the floor to raise the care recipient to the hanger 1. It is suspended in the air by the hanging member HG attached to.

In this state, drive the drive motor M of this device LF, and use the rear wheels 7A, 7B attached to the base 4, the front wheels 8A, 8B, 9A, 9B attached to the legs 6A, 6B, and the training wheels 10A, 10B. And move to the desired place.
If the desired location is the toilet room TL, the entrance to the room is generally narrow, and as shown in FIG. 8, the room (a) where the toilet bowl is located laterally offset from the entrance and the toilet bowl is directly in front. Since there is a room (b) located in, the situation of entry is illustrated for each. In order to enter the entrance, the pair of legs 6A and 6B are narrowed before entering the toilet room TL (see FIG. 8). At this time, since the legs 6A and 6B are narrowed, the toilet room TL can be smoothly and easily entered, and the training wheels 10A and 10B do not interfere with the entry and the training wheels are not obstructed. The presence of 10A and 10B can prevent the device LF from tipping sideways. After entering the toilet room, the pair of legs are opened little by little as shown in FIG. When the care recipient (position of the hanger 1) reaches above the toilet bowl BN, the tip of the arm 2 is lowered to make it easier for the care recipient to get out of the suspension member HG, as shown in FIG. Can be seated on the toilet bowl BN. At this time, since the legs 6A and 6B are opened, the hanging of the care recipient can be stabilized. Carrying out of the care recipient's toilet room TL is achieved by performing the reverse operation.

The traveling lift device shown in FIGS. 1, 2 and 7 is configured to be foldable.
First, as shown in FIG. 11, the hanger 1 is taken from the arm 2, and then the bolt of the saucer 2b is loosened, and then the arm 2 is lifted slightly upward to raise the tip of the actuator 14a to the arm 2. It is removed from the saucer 2b, and the tip of the actuator 14a is engaged with the storage plate 3f while being pressed against the shock absorber 3c fixed to the front surface of the support column 3.
Next, the arm 2 rotates forward and downward about the bolt 3p so that the straight portion 2B of the arm 2 and the support column 3 are substantially parallel to each other, as shown in FIG. Then, the removed hanger 1 is held on the front surface of the support column 3 by being hooked on the two protrusions 20a and 20b provided on the side surface of the support column 3.
Next, in the state shown in FIG. 12, the fastening between the socket 4a of the base 4 and the support column 3 is loosened by turning the lever 4i, the support column 3 is pulled upward from the socket 4a of the base 4 along the long groove 3a, and the long groove 3a is used. At the lower end of the base 4, the support column 3 is rotated so as to be tilted forward along the notches 4d and 4e of the socket of the base 4. As a result, as shown in FIG. 13, the support column 3, the arm 2, the pair of legs 6A and 6B, and the base 4 are substantially parallel to each other, and each of them overlaps with each other. As shown in FIG. 13, the folded device LF is bound by the bundling members 30a and 30b such as tapes and strings.

Regarding the length of each part of the folded device LF, as shown in FIG. 14, the "length Lam of the arm 2" is defined as the length from the end 2s to the end 2t of the arm 2. , "Length Lpo of the strut 3" is defined as the length from the upper end 3s to the lower end 3t of the strut 3, and "the total length Labr of the pair of legs 6A and 6B and the base 4". Hereinafter, "the total length of the two members" is abbreviated as "Labr") "is defined as the length from the ends 6At and 6Bt of the front legs 6A and 6B to the ends 5At and 5Bt of the base 4.
Further, as shown in FIG. 14, from the height H of the folded device LF, that is, from the upper surface of the support column 3, the front wheels 8A, 8B, 9A, 9B, the rear wheels 7A, 7B, and the training wheels 10A, 10B. It is defined as the length to the ground plane of. Then, the width of the device LF is defined as the width W of the rear wheels 7A and 7B.
All the components are set to fit within the volume formed by the total length Labr, the height H, and the width W of the above two members.

Further, as shown in FIG. 14, it is desirable that the end portion 3t of the support column 3 and the two outer surfaces of the rear wheel 7A are aligned with the virtual plane Ppr in the substantially vertical direction.

Further, the folded device LF can be placed vertically on the ground because the above two locations are close to the virtual plane Ppr (FIG. 14).

The effects of the present invention are as follows.
The traveling lift device LF of the present invention can travel by human power or power, and as described above, the pair of legs 6A and 6B are positioned so that both legs are parallel to each other from the position where the tips 6At and 6Bt are expanded. It can be narrowed to the extent that its tips 6At and 6Bt come into contact with each other inward, and by narrowing the pair of legs 6A and 6B, the transport device LF can be moved to a narrow place (for example, a toilet room). When moving forward or backward, with the cooperation of the auxiliary wheels 10A and 10B provided so as to project to the outside of the substantially central portion of the pair of legs 6A and 6B, the legs can be smoothly opened without falling. By doing so, it is possible to lift and lower the care recipient in a stable state.

Further, in the traveling lift device LF of the present invention, the support column 3 is pulled out from the base socket 4a, and the support is folded along the pair of legs 6A and 6B and the arm is along the support column while maintaining the cooperation between the two. , And can be stacked, folded for storage or reassembled for reuse, and the hanger is detachably attached to the tip of the arm so it can be assembled or removed from the device. Can be placed.

LF traveling lift device, 1 hanger, 2 arms, 3 stanchions, 4 bases, 4a socket, 6A, 6B pair of legs, 7A, 7B rear wheels, 8A, 8B, 9A, 9B front wheels, 10A, 10B training wheels, 11A, 11B support arm, M, M drive motor

Claims (3)

With the base
The columns erected on the base and
An arm rotatably attached to the upper end of the column,
An electric drive means for rotating the arm interposed between the support column and the arm, and
A pair of rod-shaped legs pivotally attached to the base end so as to be rotatable in the horizontal direction at appropriate intervals on the base.
An electric drive means for rotating the pair of legs interposed between the pair of legs in opposition to each other.
The front wheel attached to the tip of each leg of the pair of legs,
A pair of rear wheels attached to the lower rear part of the base,
A run line lifting device provided with,
The pair of legs rotatably pivotally attached to the base are provided so as to rotatably and face each other in a direction of narrowing inward from a parallel state and a direction of opening outward from a parallel state.
To the pair of legs, training wheels provided at the tip of each support arm projecting laterally outward from the substantially central portion of each leg are attached .
A traveling lift device characterized in that, when the pair of legs is minimized, the distance between the training wheels is the same as or smaller than the width between the outer surfaces of the training wheels attached to the base. The traveling lift device according to claim 1, wherein the rear wheel attached to the base is driven by an electric drive motor attached to the base. The tip of the electric drive means for rotating the arm removed from the arm, the arm and electric drive means for rotating said arm and along the strut, the strut and fixed to the strut pull from the source Kek DOO, wherein along a pair of legs, the arm pivots relative to the strut along a said post will be arranged to be folded, mounting and the hanger to the distal end of the arm The traveling lift device according to claim 1 , wherein all the components are contained in a volume formed by a removable main body device having a length, a height, and a width.

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