JP2018153407A - Transfer machine, wheelchair with transfer machine, and use method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wheelchair with a transfer machine having a simple structure facilitating movement, a use method thereof, and further a transfer machine suitable for the wheel chair with a transfer machine and the use method thereof.SOLUTION: A wheelchair 1 with a transfer machine 11 includes: a seat 2 extending in a horizontal direction; a backrest 3 extending in a vertical direction; a plurality of wheels 4; a frame 5 connecting at least the seat 2 and the plurality of wheels 4; a storage space S1 arranged under at least the seat 2, favorably further under the backrest 3, storing the transfer machine 11 in a folded state, and allowing the transfer machine 11 to be taken in/out from a back side of the wheelchair 1 or seat 2; and a holding part 6 arranged under the seat 2 and holding the transfer machine 11 stored in the storage space S1.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a transfer machine, a wheelchair with a transfer machine, and a method of using the same.

  One of the most burdensome tasks for the caregiver is to transfer the cared person from the wheelchair to the bed, bathing wheelchair, toilet seat, or vehicle. Therefore, various transfer machines are commercially available as devices different from wheelchairs.

  A large-sized device combining a transfer machine and a wheelchair has also been proposed. Patent Document 1 discloses a wheelchair device for transferring a cared person from a wheelchair so as to hold the whole body of the cared person. In this wheelchair device, a transfer machine is arranged in front of the wheelchair part.

Japanese Patent Laying-Open No. 2015-037437

  The following analysis is given by the present invention.

  When the wheelchair and the transfer machine are separate bodies, it is necessary to arrange the transfer machine one by one at the site where the transfer is executed. This raises the problem that the purchase cost of the device increases and an additional space for the device is required.

  Similarly, in the case of a large-sized device in which a transfer machine and a wheelchair are combined, there is a problem that the purchase cost of the device is high and an additional arrangement space is required. In addition, in the case of such a large apparatus, there arises a problem that the original purpose of the wheelchair of moving is impaired.

  Therefore, a wheelchair with a transfer machine having a simple structure that is easy to move, a method of using the same, and a transfer machine suitable for them are desired.

  In a first aspect, a seat extending in a horizontal direction, a backrest extending in a vertical direction, a plurality of wheels, a frame configured to connect at least the seat and the plurality of wheels, and at least the seat A storage space that is provided below and stores the transfer device in a folded state and is configured to allow the transfer device to be taken in and out from the rear of the seat; and the storage space that is provided below the seat and stored in the storage space. There is provided a wheelchair with a transfer machine having a holding part configured to hold the transfer machine.

  In the second viewpoint, at least under the seat of the wheelchair, storing the transfer device having a saddle portion that can support a grounded base portion and a transferee seated in the wheelchair during transfer in a folded state, There is provided a method of using a wheelchair with a transfer machine, which includes pulling out the transfer machine to the rear of the wheelchair, unfolding the transfer machine in a folded state to ground the base part and raising the saddle part. .

  In a third aspect, a base portion configured to be grounded, a saddle portion configured to support a transferee, a support column configured to support the saddle portion, and a shaft support to the base portion A transfer mechanism comprising: an operating lever; a link mechanism that at least swingably connects the operating lever and the support; and a fixing mechanism that fixes the operating lever to the support via fixing of the link mechanism. Provided.

  According to the present disclosure, a wheelchair with a transfer machine having a simple structure that is easy to move, a method of using the same, and a transfer machine suitable for them are provided.

It is a partial side view which shows the principal part of the wheelchair with a transfer machine concerning one Example. It is a principal part enlarged view of the wheelchair with a transfer machine shown in FIG. (A) And (B) is an operation | movement figure explaining the usage method of the wheelchair with a transfer machine shown in FIG. It is a side view which shows the folding state of the transfer machine shown in FIG. It is an operation | movement diagram which shows the expansion | deployment state of the transfer machine shown in FIG. (A)-(C) are the operation | movement diagrams explaining the usage method of the transfer machine shown in FIG. (A) And (B) is a side view for demonstrating the modification 1 of a transfer machine. (A) And (B) is a side view for demonstrating the modification 2 of a transfer machine.

  An outline of a wheelchair with a transfer device and a transfer device according to an embodiment, and how to use them.

  At the site of transfer, in order to save the trouble of bringing the transfer machine to the site, transfer care is currently being performed by human power. For example, a caregiver holds a cared person sitting in a wheelchair and sits at a transfer destination.

  Such transfer by human power is desired to largely avoid the load applied to the caregiver. Accordingly, the inventors of the present invention have provided a wheelchair equipped with a transfer device in which the transfer device is housed in a dead space that has not been conventionally used in a wheelchair, and further, the transfer device can be pulled out in a direction not conventionally assumed. suggest. According to this wheelchair with a transfer machine, since the transfer machine is stored in the wheelchair, the transfer machine can be used as soon as the wheelchair arrives at the transfer site. In addition, since the transfer machine is pulled out from the rear of the wheelchair, the transfer machine can be pulled out of the wheelchair without applying a load to a cared person who sits in the wheelchair and whose legs are positioned in front of the wheelchair.

  Preferred forms based on the present disclosure are exemplified below. In addition, the said embodiment, the form and Example mentioned later are examples of the aspect based on this indication, and the aspect based on this indication is not limited only to these.

(Form 1)
At least under the seat of the wheelchair, a storage space for storing the folded transfer machine so that it can be pulled out rearward and a holding unit for holding the transfer machine are provided.

(Mode 2) The frame under the seat of the wheelchair is provided with a base part holding part for holding the base part of the transfer machine. Below the backrest of the wheelchair, a saddle portion storage portion or storage space for storing the saddle portion of the transfer machine in an upright state is provided. Preferably, the base part and the saddle part of the transfer machine are housed in a state of making a right angle.

(Mode 3) A transfer machine housed in a wheelchair has a link mechanism that connects the base part and the saddle part so that the base part and the saddle part can be folded and unfolded. Via the link mechanism, the column supporting the saddle portion and the operation lever pivotally supported by the base portion are folded so as to overlap each other.

(Form 4) The frame under the seat of the wheelchair has a horizontal rail that extends in the horizontal direction and holds the base portion of the transfer machine, and an inclination that extends obliquely rearward so as to guide the base portion rearward and downward. And a rail. The horizontal rail is held so that the transferred transfer device is not dropped. Inclined rails help to pull the transfer machine backwards.

(Mode 5) Preferably, the link mechanism is a slider crank mechanism. According to the slider crank mechanism, since the slide pin side or the slide groove side can be translated, the length in which the slide column and the operation lever overlap is variable. For this reason, the transfer machine becomes more compact when stored and can be deployed or assembled higher when transferred.

(Mode 6) The method of using the wheelchair with the transfer machine is to store the transfer machine in a folded state under the seat of the wheelchair, preferably further under the backrest, pull out the folded transfer machine to the rear of the wheelchair, and deploy the transfer machine Including doing. During transfer, the deployed transfer machine is placed in front of the wheelchair. The transfer machine can be deployed at an arbitrary position as long as there is no problem. For example, a folded transfer machine is deployed behind the wheelchair, and the deployed transfer machine is moved relatively forward of the wheelchair, or it is deployed after moving the folded transfer machine forward of the wheelchair. May be.

(Mode 7) The transfer machine includes a base portion, a saddle portion, a support column that supports the saddle portion, an operation lever that is pivotally supported by the base portion, a link mechanism that connects the operation lever and the support column, and fixing of the link mechanism. A fixing mechanism for fixing the operation lever to the support via

(Embodiment 8) Preferably, the link mechanism of Embodiment 7 is a slider crank mechanism that connects the operation lever and the support column in a swingable and slidable manner as described in Embodiment 5.

[Wheelchair 1 with transfer 11]
Hereinafter, exemplary embodiments will be described with reference to the drawings. FIG. 1 is an external view showing an entire wheelchair that houses a transfer machine according to one embodiment. FIG. 2 is an enlarged view of a main part of the wheelchair with transfer device shown in FIG.

  Referring to FIG. 1, a wheelchair 1 with a transfer machine 11 includes a seat 2 that extends in a horizontal direction, a backrest 3 that extends in a vertical direction, a plurality of wheels 4, a seat 2, a backrest 3, and a plurality of backrests. It has a frame 5 configured to connect the wheels 4.

  Furthermore, the wheelchair 1 has a storage space S1 for storing the folded transfer machine 11 so that it can be inserted and removed from the rear of the wheelchair 1 or the seat 2, and a holding unit 6 for holding the transfer machine 11 stored in the storage space S1.

  In particular, referring also to FIG. 4, the transfer machine 11 accommodated in a folded state includes at least a base part 12 to be grounded and a saddle part 13 for supporting a transferee seated on the seat 2.

  The wheelchair 1 side holding portion 6 is provided on the frame 5 below the seat 2 and includes a base portion holding portion 6 that holds the base portion 12 of the transfer machine 11. For convenience of explanation, the same reference numerals as those of the holding unit 6 are given to the base unit holding unit 6, but the holding unit 6 includes two or more holding units that hold various portions of the transfer machine 11. Also good.

  In particular, referring also to FIG. 2, the base portion holding portion 6 includes a horizontal rail 6 a that extends in the horizontal direction and holds the base portion 12 of the transfer machine 11. Although the entire transfer machine 11 can be held by the horizontal rail 6a, a holding mechanism or a lock mechanism may be further provided. Behind the horizontal rail 6a, an inclined rail 8 extending obliquely rearward is arranged so as to guide the base portion 12 of the transfer machine 11 downward and rearward. The horizontal rail 6a and the inclined rail 8 are preferably provided in a pair of frames 5 extending in the front-rear direction.

  The storage space S <b> 1 of the wheelchair 1 is provided at least under the seat 2, and is preferably provided under the backrest 3. In the present embodiment, a saddle portion storage space S <b> 2 for storing the saddle portion 13 of the transfer machine 11 in a standing state is provided below the backrest 3.

  3 (A) and 3 (B) are operation diagrams for explaining how to use the wheelchair with transfer device shown in FIGS. 1 and 2.

  Referring to FIGS. 3A to 3B, when the wheelchair 1 with the transfer device 11 arrives at the transfer site, the caregiver pulls the transfer device 11 held on the horizontal rail 6 a to the rear of the wheelchair 1. . As a result, the transfer machine 11 is pulled out to the outside of the wheelchair 1 through the rear opening of the storage space S1 or the saddle portion storage space S2. At this time, the grounding of the transfer machine 11 is guided by the inclined rail 8. Thus, the transfer machine 11 is pulled out from the rear of the wheelchair 1 or the seat 2 and used for use without interfering with the footrest 7 in front of the wheelchair 1 and the legs of the seated cared person. Moreover, since the transfer machine 11 can land more quietly by the inclined rail 8, vibration when the transfer machine 11 is pulled out is reduced, and the cared person on the seat 2 can wait for the transfer quietly. When the transfer machine 11 is stored, a pushing operation opposite to the above-described pulling operation is performed.

[Transfer machine 11 suitable for storage in wheelchair 1]
Furthermore, the structure of the foldable transfer machine 11 suitable for storage in the wheelchair 1 shown in FIG. 1 will be described. FIG. 4 shows the transfer machine 11 in a state of being accommodated in the wheelchair 1, that is, in a folded state. Referring to FIG. 4, the transfer machine 11 includes a base portion 12 configured to be grounded, a saddle portion 13 configured to support a transferee, and a support column 14 configured to support the saddle portion 13. And an operation lever 15 pivotally supported by the base portion 12, a link mechanism 16 that at least swingably connects the operation lever 15 and the support column 14, and the operation lever 15 fixed to the support column 14 by fixing the link mechanism 16. A fixing mechanism 17 is provided.

  In this embodiment, the link mechanism 16 is a slider crank mechanism 16 that connects the operation lever 15 and the support column 14 so as to be swingable and slidable. In the folded state of the transfer machine 11, the column 14 and the operation lever 15 are folded through the slider crank mechanism 16 so as to overlap each other. For convenience of explanation, the same reference numerals are given to the link mechanism 16 and the slider crank mechanism 16, but the link mechanism 16 is not limited to this, and the links of the first and second modifications shown in FIGS. Configurations or other link configurations are possible.

  The base portion 12 has a turntable 12a that can rotate horizontally, and a column 14 and an operation lever 15 are supported on the turntable 12a. The turntable 12a is for changing the direction of a transferee.

  The saddle portion 13 is in contact with the chest or abdomen of the transferer and has a shape that the transferor can easily hold. For example, the saddle portion 13 is formed in a horseshoe shape, a saddle shape, a rectangular shape or the like, but is not limited thereto.

  A telescopic mechanism 18 (see FIG. 5) for expanding and contracting the support column 14 may be provided in the middle of the support column 14.

  The operation lever 15 is pivotally supported by the rotating disk 12a on the base portion 12 via the operation lever shaft 15a so as to be swingable. On one side of the operation lever 15, an operation pedal 15b is arranged in a folded state. By tilting the operation pedal 15b pivotally supported by the operation lever 15 to the right side in FIG. 4, the length of the operation lever 15 is extended, so that a large moment is obtained.

[Slider crank mechanism 16 of transfer machine 11]
The slider crank mechanism 16 has a slide groove 16a and a slide shaft 16b that can slide relatively in the slide groove 16a. In this embodiment, the slide groove 16a slides, but a configuration in which the slide shaft 16b slides is also conceivable. The saddle portion 13 and the support column 14 can swing around the slide shaft 16b as a pivot point. In this embodiment, the slide groove 16a is formed in the support post 14 and the slide shaft 16b is provided in the operation lever 15. However, the slide groove 16a is formed in the operation lever 15, and the slide shaft 16b is provided in the support post 14. May be.

  As shown in FIG. 4, when the slide shaft 16b engages with the right end of the slide groove 16a, the entire support column 14 is moved to the left side in FIG. 4, that is, moved into the storage space S1 in FIG. The saddle portion 13 can be positioned in the saddle portion storage space S2. In plan view from above in FIG. 4, the slide crank mechanism 16 can change the overlapping length in the axial direction of the support column 14 and the operation lever 15 (left-right direction in the figure, front-rear direction in the wheelchair in FIG. 1). it can. Accordingly, if the overlapping length at the time of storage is shortened, the transfer machine 11 becomes compact. If the overlapping length is extended at the time of deployment, that is, at the time of transfer, a sufficient saddle height can be obtained.

[Fixing mechanism 17 of slider crank mechanism 16]
The fixing mechanism 17 is integrated by fixing the operation lever 15 to the other end of the column 14 through fixing of the link mechanism 16. The fixing mechanism 17 includes a column-side fixing hole 17a formed at the end of the column 14 and an operation lever side formed at the other end of the operation lever 15 (the other side of the operation pedal 15b with the operation lever shaft 15a interposed therebetween). It has the fixing pin 17d (refer FIG. 5) penetrated by the fixing hole 17b and the fixing holes 17a and 17b. The fixing mechanism 17 further includes a stopper 17c that stops the support column 14 in a standing state.

  FIG. 5 is an operation diagram showing a deployed state of the transfer machine 11 shown in FIG. 4 to 5, when the saddle portion 13 in the standing state is raised and lifted upward, the column 14 swings counterclockwise in FIG. 4, and the engagement between the slide groove 16a and the slide shaft 16b. The alignment position changes, and the slide shaft 16b relatively displaces the slide groove 16a toward the fixing hole 17a. When the saddle portion 13 and the support column 14 swing 90 degrees, the support column 14 extends in the vertical direction and is stopped by the stopper 17c. In this state, by inserting the fixing pin 17d into the fixing holes 17a and 17b, the support column 14 and the operation lever 15 are integrated, and can be tilted or tilted integrally by operation from the operation lever 15 side. Become. Further, a lock mechanism 12b that locks the operation lever 15 and prevents unexpected tilting of the saddle portion 13 and the support post 14 may be provided on the rotating disk 12a.

  A transfer operation method using the transfer machine 11 developed or assembled as shown in FIG. 5 will be described with reference to FIGS.

  Referring to FIG. 6 (A), the caregiver sits on the wheelchair 1 and steps on the turntable 12a, and the saddle portion 13 is swung toward the care receiver, The saddle portion 13 is supported by the saddle portion 13 while being held. At this time, an auxiliary belt for connecting the saddle portion 13 and the cared person is used, or the cared person can grasp the handle provided on the saddle part 13 (see the handle 19 in FIG. 7B). Or you may.

  Referring to FIG. 6B, the caregiver steps on the operation lever 15, swings the operation lever 15 clockwise in the figure, and lifts the care receiver together with the saddle portion 13.

  Referring to FIG. 6C, when the saddle portion 13 becomes horizontal, the care giver turns the turntable 12a so that the care receiver turns together with the saddle portion 13 to face the transfer destination backward. Hereinafter, the operations shown in FIGS. 6B and 6C are executed in order, and the care recipient is seated at the transfer destination.

  According to the wheelchair 1 described above, the space under the seat 2 and / or the backrest 3 of the wheelchair 1, which was a dead space, is used as a storage space for the transfer machine 11. Can be prevented. Moreover, according to the usage method of the wheelchair 1, the transfer machine 11 can be pulled out from the back of the wheelchair 1. The preparation for transfer can be immediately executed without causing trouble for the footrest 7 of the wheelchair 1 or the cared person seated in the wheelchair 1. Since the transfer machine 11 can be folded compactly via the link mechanism 16, it is suitable for storage in the wheelchair 1 in which an empty space is limited.

[Variation 1 of the transfer machine 11]
FIGS. 7A and 7B are side views for explaining a first modification of the transfer machine 11 suitable for storage in the wheelchair 1 as shown in FIG. 7A shows the folded state of the transfer machine 11, and FIG. 7B shows the unfolded state. In the description of the first modification, the first embodiment can be referred to as appropriate for portions common to the first embodiment, and the same reference numerals as those in the first embodiment are used for elements that exhibit the same type of function. And

  With reference to FIG. 7 (A), the transfer machine 11 of the modification 1 has the link mechanism 16 which connects the support | pillar 14 and the operation lever 15 via the pivot 16b which does not slide. Therefore, the distance between the pivot 16b and the fixing holes 17a and 17b is constant. A stopper 17 c is formed at the other end of the operation lever 15. Referring to FIG. 7B, after the support post 14 and the operation lever 15 are integrated by the fixing pin 17d (see FIG. 5), the operation lever 15 and the like rotate counterclockwise in the drawing to reach a predetermined angle. When reaching, the stopper 17c comes into contact with the base portion 12 side to prevent the operation lever 15 or the like from further falling. In addition, a handle 19 that can be gripped by a care recipient is provided on the lower surface of the saddle portion 13.

[Modification 2 of the transfer machine 11]
FIGS. 8A and 8B are side views for explaining a second modification example of the transfer machine suitable for storage in the wheelchair 1 as shown in FIG. 8A shows the folded state of the transfer machine 11, and FIG. 8B shows the unfolded state. In the description of the second modification, the first embodiment can be referred to as appropriate for parts common to the first embodiment, and the same reference numerals as those in the first embodiment are used for elements that exhibit the same type of function. And

  In particular, with reference to FIG. 8B, the transfer machine 11 has a housing 22 that supports the saddle portion 13. The base portion 12 and the housing 22 are connected via two slider crank mechanisms 16 and 16 so that the saddle portion 13 swings while maintaining a horizontal state. At the time of transfer, an operation wire or an operation lever is attached to the housing 22 and the like, and the slider crank mechanisms 16 and 16 are operated via the housing 22 to realize the transfer operation as shown in FIG.

  It should be noted that the disclosure of patent documents presented in this document is incorporated herein by reference. Within the scope of the entire disclosure (including claims) of the present invention, the embodiments and examples can be changed and adjusted based on the basic technical concept. Further, various combinations or selections of various disclosed elements (including each element of each claim, each element of each embodiment or example, each element of each drawing, etc.) within the scope of the claims of the present invention. Is possible. That is, the present invention of course includes various variations and modifications that could be made by those skilled in the art according to the entire disclosure including the claims and the technical idea. In particular, with respect to the numerical ranges described in this document, any numerical value or small range included in the range should be construed as being specifically described even if there is no specific description.

  Since the wheelchair with a transfer machine based on the present disclosure can be configured to be lightweight and compact, it can be used for general households, and contributes to labor saving and improved safety of transfer care in hospitals and various facilities. In addition, the transfer machine based on the present disclosure is not only suitable for wheelchair mounting but also useful as a single transfer machine.

DESCRIPTION OF SYMBOLS 1 Wheelchair, Wheelchair with transfer machine 2 Seat 3 Backrest 4 Wheel 5 Frame 6 Base part holding part 6a Horizontal rail 7 Footrest 8 Inclined rail S1 Storage space S2 Saddle part storage space 11 Transfer machine 12 Base part 12a Turntable 12b Lock mechanism 13 Saddle Part 14 Post 15 Operation lever 15a Operation lever shaft 15b Operation pedal 16 Link mechanism, slider crank mechanism 16a Slide groove 16b Slide shaft, pivot 17 Fixing mechanism 17a Post side fixing hole 17b Operation lever side fixing hole 17c Stopper 17d Fixing pin 18 Nesting type Mechanism 19 Handle 22 Body

Claims (7)

A sheet extending horizontally,
A backrest extending vertically,
Multiple wheels,
A frame configured to connect at least the seat and the plurality of wheels;
A storage space that is provided at least under the seat, stores the transfer device in a folded state, and is configured to allow the transfer device to be taken in and out from the rear of the seat; and
A holding portion provided under the seat and configured to hold the transfer machine stored in the storage space;
A wheelchair with a transfer machine, characterized by comprising: The transfer machine includes a base portion to be grounded and a saddle portion for supporting a transferee seated on the seat at the time of transfer,
The holding portion includes a base portion holding portion provided on the frame under the seat and configured to hold the base portion of the transfer machine;
The storage space further includes a saddle portion storage space provided under the backrest and configured to store the saddle portion of the transfer machine in an upright state;
The wheelchair with a transfer machine according to claim 1. The base portion holding portion includes a horizontal rail that extends in a horizontal direction and holds the base portion,
The wheelchair with a transfer machine according to claim 2, wherein an inclined rail extending obliquely rearward so as to guide the base portion rearward and downward is disposed behind the horizontal rail. The transfer machine includes a support column that supports the saddle portion, an operation lever that is pivotally supported by the base portion, and a link mechanism that connects the operation lever and the support column at least in a swingable manner.
The wheelchair with a transfer machine according to claim 2, wherein the transfer machine is configured to be folded so that the support column and the operation lever overlap with each other via the link mechanism. Storing in a folded state a transfer machine having at least a base part to be grounded and a saddle part capable of supporting a transferee seated in the wheelchair at the time of transfer, under the seat of the wheelchair;
Pulling out the folded transfer machine to the rear of the wheelchair,
Unfolding the transfer machine in a folded state to ground the base and raise the saddle;
A method of using a wheelchair with a transfer machine, comprising: A base configured to be grounded;
A saddle section configured to support the transferor;
A strut configured to support the saddle portion;
An operation lever pivotally supported on the base portion;
A link mechanism for connecting the operating lever and the support column at least in a swingable manner;
A fixing mechanism for fixing the operation lever to the support through fixing of the link mechanism;
The transfer machine characterized by having.   The transfer mechanism according to claim 6, wherein the link mechanism is at least one slider crank mechanism that connects the operation lever and the support column in a swingable and slidable manner.