JP3034245B1 - Seat unit and wheelchair for wheelchair - Google Patents

Abstract

Abstract: PROBLEM TO BE SOLVED: To be suitably applied to a Japanese house or lifestyle having many steps and narrow, to enable a care recipient to be suitably and easily moved with a small amount of labor, and to reduce a burden on a caregiver. SOLUTION: The wheelchair is provided as a seat portion 12 of a wheelchair on which a user sits, and is provided so as to be separable from a wheelchair chassis unit which is a portion to which a wheel 52 of the wheelchair is mounted, and a lifting device 55 moves up and down on a bottom portion 16. The groove portion 18 into which the claw portion 60 is inserted is formed, and is provided so as to be able to move up and down by the elevating device 55.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair seat unit and a wheelchair.

[0002]

2. Description of the Related Art Conventionally, it has been a principle that a wheelchair is portable. For this reason, as shown in FIG. 9, a folding type is mainly used. In many of the foldable wheelchairs, a seat unit 11 where a user sits is fixed to a chassis unit 51 where wheels of the main body are mounted so that the user cannot easily separate them. Further, even when both units can be separated, the purpose is for transport and storage.

[0003] In the past, people with disabilities have used wheelchairs in Japan, but conventional wheelchairs are compatible with foreign life, mainly in Europe and the United States, and are not familiar with Japanese life. Was something. This is due to differences in cultural background. For example, in many foreign countries, the housing structure is mainly made of flooring and there are no steps. And even in the room, they wear shoes or sandals, and take off the shoes and sandals only when they enter the bed .

On the other hand, many Japanese people live in wooden Japanese-style houses, and Japanese-style houses often have stiles and thresholds that impede the movement (running) of wheelchairs. Also,
The floor is tatami. Therefore, in such a Japanese-style house, a wheelchair is difficult to use. That is,
Japan is a barefoot culture that prefers the feel of tatami, and those who wear shoes take off their shoes at the entrance and separate inside and outside. Also,
In Japan, it is a wooden building with heavy rain and humidity, and there is a rising frame to raise the floor and improve ventilation. And since it is a wooden building, a step called a sill arises because it forms a pillar. For this reason, a Japanese-style house is a space in which it is difficult for elderly people who are forced to live in bed, persons with disabilities, and the like to live in wheelchairs.

[0005] Also, Japanese houses tend to be set at a high building ratio because of the high land prices. Therefore, the distance from the road to the entrance is short, and in many cases, there is almost no distance. Therefore, it is difficult to construct a slope for entering and exiting even when trying to build a barrier-free house. In such a Japanese living environment, it has been proposed to use a lift, which is a lifting means. As a lift, there is a lift that raises and lowers a cared person such as an elderly person or a disabled person in a wheelchair, and a lift that lifts and moves a cared person by moving from a wheelchair in a bath or the like.

However, the conventional wheelchair or lift has a problem that a great deal of labor is required to transfer the care recipient to the wheelchair or lift. For example, in order to put a cared person from a futon or bed into a wheelchair, the care of a caregiver is generally used. In this case, it is necessary to move (lift) the cared person, and it is difficult for one carer to perform the operation. In addition, even if there is a lift to put the care receiver in a wheelchair, it is necessary to first put the caregiver on the lift seat, lift it so that it does not fall off the lift seat, and remove the lift seat after lowering it in the wheelchair, It took a lot of effort. Therefore, the work of changing the cared person, such as the work of putting the cared person on a wheelchair or a lift or the work of removing the cared person from the wheelchair to a futon or a bed, places a heavy burden on the caregiver.

Conventional lifts are provided separately for raising and lowering a cared person in a wheelchair, for putting a cared person on a wheelchair, and for use in a bath or excretion area. . Therefore, it is necessary to prepare equipment for each application, and there is also a problem that compatibility is high and a high cost is required.

[0008] In addition, the conventional wheelchair has a problem that the size of a chassis unit having particularly large-diameter wheels is large, and the size of a Japanese-style house or a Japanese lifestyle is not suitable. That is, in a Japanese-style house, corridors and toilets were small, and they could not easily move in a wheelchair, and could not do business. In addition, in the structure of a Japanese-style house, it is a living that uses a kotatsu and a table with tatami mats, but if you use a conventional wheelchair,
Did not eat at the same table.

For this reason, the inventor of the present application has provided, as background art, a seat portion of a wheelchair on which a user sits, and is provided so as to be separable from a wheelchair chassis unit, which is a portion where wheels of the wheelchair are mounted, A wheelchair seat unit having a left-right division structure has been developed so as to be able to be divided in the left-right direction when the user is separated from the chassis unit. According to this wheelchair seat unit, the user can be easily loaded by sliding the divided left and right members so as to be inserted under the user from the left and right. Therefore, the present invention can be suitably applied to Japanese houses and lifestyles, and the work of changing the care receiver can be facilitated.

[0010]

However, in the background art described above, the structure for suitably using the lifting device when moving the wheelchair seat unit on which the user is riding has not been sufficiently studied. . Therefore, an object of the present invention is to provide a wheelchair seat unit and a wheelchair that can be suitably applied to Japanese houses and lifestyles, and in which a cared person can easily move.

[0011]

The present invention has the following arrangement to achieve the above object. That is, the present invention
It has a seat part and a back part of a wheelchair where the user sits
Unit for wheelchair and wheelchair having running function
A wheelchair comprising:
Seat unit for child, it said provided from chassis unit for wheelchair separable, chassis unit for the wheelchair
But smaller than the main wheel of a wheelchair manually operated by the user
Running means consisting of various wheels, and a seat unit for the wheelchair.
Claw as a lifting device with a claw that lifts and lowers with the
Part, and the main wheel of the wheelchair moves with the elevation of the claw.
Main wheel of the wheelchair on the pawl so that it can be raised and lowered
There is a main wheel mounting part for detachably mounting the
You .

[0012] Further, when the seat unit for the wheelchair is separated from the chassis unit , the seat unit for the wheelchair is provided with a dividing structure in the left-right direction so that the user can be divided in the left-right direction. It can be easily put on the seat unit.

In the seat unit for a wheelchair,
The left-right divided structure is provided so that the other member overlaps the left and right members in a predetermined section so that the width in the left-right direction can be adjusted. Can be adjusted to fit the body of the person.

Further, the present invention is provided as a unit having a seat portion and a backrest portion of a wheelchair on which a user sits, is provided so as to be separable from a wheelchair chassis unit having a traveling function, and has a lifting device at a bottom portion. A groove portion into which a claw portion to be inserted is formed, and a seat unit for a wheelchair provided to be able to move up and down by the elevating device.
Te, the lifting device pallet unit in which the upper body provided rotatably relative to the lower body to co the nail groove to be inserted is formed of, is coupled laid on the lower side of the bottom portion provided so that, there is also the seating unit for wheelchair you characterized in that it is configured rotating movable to and relative to the lower body. According to this, the direction of the user can be easily changed, and the movement of the user can be more suitably performed.

[0015] In addition, since the seat portion and the central portion of the pallet unit are provided so as to be openable in the vertical direction so that the user does not need to change the posture in the excretion facility, it is suitable for the excretion facility. Can be added to

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is an exploded perspective view showing one embodiment of a wheelchair seat unit and a wheelchair according to the present invention. FIG. 2 is a perspective view for sequentially explaining how to use the embodiment of FIG. Reference numeral 10 denotes a wheelchair seat unit, which is provided as a wheelchair seat unit 12 on which a user sits, and is provided so as to be separable from a wheelchair chassis unit 50, which is a part to which wheels of the wheelchair are attached, and is provided on the bottom 16. A groove 18 into which the claw portion 60 of the elevating device 55 that moves up and down is inserted is formed, and is provided so as to be able to move up and down by the elevating device 55.

As will be described later with reference to FIGS. 3 to 7, when the seat unit 10 is separated from the chassis unit 50, the seat unit 10 is provided with a left-right division structure so that the seat unit 10 can be divided in the left-right direction. Is also good. Note that the division structure can be designed in an appropriate form such as three divisions instead of two divisions in the left-right direction. By having such a left and right divided structure, the user can be easily put on the chair seat unit. Also, if the left-right division structure is provided so that the width of the seat portion 12 in the left-right direction can be adjusted so that the other member overlaps one of the left and right members in a predetermined section, the user is a user. It is possible to fit the body of the care receiver appropriately.

The groove 18 of this embodiment is provided with the seat unit 10.
Is formed in a concave shape on the bottom surface of the four side frame portions in the bottom portion 16 of FIG. Further, the groove 18 is provided on the bottom 1 of the seat unit 10.
6 are formed two on each of the four side surfaces. As a result, the two claws 62 of the lifting device 55 serving as a lift are connected to the two groove portions 18 from any of the four directions.
Can be inserted. By forming the groove portion 18 in this manner, when the two claws 62 of the elevating device 55 are inserted, the claws 62 are suitably guided and can slide into the lower surface of the seat unit 10 suitably. That is, the groove 18 is a suitable space into which the claw 62 can enter. Further, when the seat unit 10 is supported by the claw portion 60 provided with the two claws 62, the groove portion 18 suitably functions as a step portion for preventing side slip.

The shape of the groove 18 is not limited to this embodiment, but may be formed in a through-hole like a pallet unit 80 described later. Alternatively, a plurality of projections may be provided on the bottom surface of the bottom
The space between the two protrusions may be used as the groove 18. When the form of the claw portion 60 is different from that of the present embodiment,
What is necessary is just to design the groove part 18 according to the form. For example, when the claw 62 is one wide, the groove 18 is also formed on the bottom 16.
One may be formed for each side surface. That is,
The groove 18 may serve as a guide space for guiding the entry of the claw 62 and as a step that can prevent the skid on the claw 60.

Next, the lifting / lowering device 55 which also functions as the wheelchair chassis unit 50 will be described in detail. 64
Is a column, and a pair is fixed to the base 65 in a state that the pair extends in the vertical direction, and serves as a vertical guide member that guides the vertical movement of the claw part 60. Reference numeral 64a denotes a reinforcing column, which is provided in parallel with the column 64. Reference numeral 66 denotes a handle, which is held by a caregiver and lifted by the elevating device 5.
5 can be operated. These structures can be suitably formed of a pipe material as in this embodiment. Wheels 67 and 68 are rotatably mounted on both ends of a pair of horizontally elongated legs 65a of the base 65.
The rear wheel 68 is formed in a caster shape. That is, the support portion 68a that supports the rotation axis of the wheel 68 that is rotatable about the horizontal axis is mounted so as to be pivotable about the vertical axis. Therefore, at the time of movement, the traveling direction of the elevating device 55 can be suitably changed by the rear wheels 68.

Reference numeral 70 denotes a fixed portion, which is fixed to the support 64 and the reinforcing support 64a at both ends by welding or the like. Reference numeral 72 denotes a cylinder device, in which a cylinder portion is immovably fixed to the base portion 65 and the fixed portion 70, and a rod 72a is extendable. A sprocket support portion 72b having a sprocket rotatably built therein is fixed to the tip of the rod 72a. A chain 74 is hung around a sprocket in the sprocket support portion 72b. One end is fixed to the claw portion 60, and the other end is fixed to the fixing portion 70.

Accordingly, the claw portion 60 can be raised by the rod 72a protruding and extending from the cylinder portion. Conversely, by retracting the rod 72a, the claw 60
Can be lowered. A driving device 76 supplies a fluid such as high-pressure air to the cylinder device 72 to cause the rod 72a to expand and contract. The driving device 76
Of course, it may be an electrically driven automatic device or a human power device operated by a caregiver.

Further, as shown in FIG.
The book pawl 62 is formed to extend horizontally from the lower part. The tips of the two claws 62 are tapered so that they can be smoothly inserted into the groove 18 or an insertion hole 82 of the pallet unit 80 described later. Further, rollers 63a, 63
b is built in. The rollers 63a, 63b are
The claw portion 60 with respect to the support column 64
Slip movement can be done smoothly.

Reference numeral 78a denotes a main wheel mounting portion, which is a portion to which the main wheel 52 is removably mounted, and a pair of which are fixed to lower sides of both ends of the claw portion 60, respectively. Therefore, the main wheel mounting portion 78a is provided so as to be able to move up and down with the up and down movement of the claw portion 60. Further, the main wheel mounting portion 78a may be constituted by a known connecting mechanism used in a wheelchair. When the main wheel mounting portion 78a is provided as described above, the main wheel 52 can be attached and detached at a position where the main wheel is raised along with the claw portion 60. When the vehicle descends while the main wheels 52 are mounted, the main wheels 52 come into contact with the floor or the ground due to the weight and own weight of the user and the seat unit 10. Therefore, by manually operating the main wheels 52, it is possible to suitably travel as a wheelchair.

FIG. 1 shows the main wheel mounting portion 78b of the reinforcing column fixedly provided on the reinforcing column 64a. In this way, it is fixed to the reinforcing column 64a,
When the main wheel mounting portion 78b is provided, the entire main body (elevating device 55) is tilted and the main wheels 5
2 can be attached and detached, but when attaching to the claw portion 60
Requires slightly more difficult operations.

Reference numeral 80 denotes a pallet unit, in which an insertion hole 82 which is a groove into which the claw portion 60 (claw 62) of the elevating device 55 is inserted is formed, and the upper main body 83 is rotatable with respect to the lower main body 81. It is provided in. In this embodiment, a pair of insertion holes 82 are formed on each of the four side surfaces of the rectangular lower main body 81 so that the pair of claws 62 can be inserted from any of the four side surfaces. It is needless to say that the shape of the insertion hole 82 may be appropriately designed in accordance with the form of the claw portion 60 as in the case of the groove portion 18. The insertion hole 82 may be provided in the upper main body 83 instead of the lower main body 81. Reference numeral 84 denotes a bearing. The upper main body 83 is rotatable with respect to the lower main body 81 via the ring-shaped bearing. The rotation function of the pallet unit 80 can be stopped at a predetermined angular position. For example, a click mechanism or the like is provided so that a stopper action works every 90 degrees.

The pallet unit 80 is laid under the bottom 16 of the seat unit 10 (lower surface), and the upper body 83 is connected to the seat unit 10 by coupling means (not shown). Therefore, the seat unit 1 with respect to the lower body 81
Thus, the seat portion 12 of the "0" can be rotated. According to this, the direction of the user riding on the seat unit 10 can be easily changed, and the movement of the user can be more suitably performed.
The pallet unit 80 is provided with the claw 6 of the lifting device 55.
In a state where 0 is inserted and supported, it is provided so as to be connected to the claw portion 60 by coupling means (not shown). That is, the lower main body 81 is connected to the claw portion 60. Thereby, the elevating device 5 having wheels so as to be able to travel is provided.
A wheelchair in which the seat unit 10 is fixed to 5 so as to be able to move up and down and a main wheel 52 manually operated by a user is detachably provided is suitably configured.

Reference numeral 86 denotes a cover for the opening, which covers the opening provided vertically through the center of the pallet unit 80. Take off the lid 86 and seat 12
Is opened, the user can suitably use the toilet without changing the posture in the excretion facility. Reference numeral 88 denotes a footrest, which forms part of a wheelchair. This foot rest 8
Numeral 8 may be attached to a portion such as the claw portion 60 (claw 62) of the elevating device 55 by coupling means (not shown), or may be a part of a wheelchair by being attached to the pallet unit 80 or the seat unit 10. You may make it.

Next, a method of using the embodiment having the above-described configuration will be described with reference to FIG. First, FIG.
As shown in FIG. 3, the left and right members (the one divided frame 22 and the other divided frame 2) of the seat unit 10 are divided.
4) is slid so as to be inserted under the user from the left and right (arrow T). Thus, the user is put on the seat unit 10.

Next, as shown in FIG. 2B, the backrest of the seat unit 10 is raised, and the pair of claws 62 (claws 60) of the elevating device 55 are moved horizontally and forward (in the direction of arrow A). And inserted into the groove 18. And the claw part 6
When 0 is raised (arrow B), the seat unit 10 on the claw portion 60 is raised.

Next, as shown in FIG. 2C, the pallet unit 80 is slid under the seat unit 10 (arrow S). Then, the seat unit 10 is lowered onto the pallet unit 80 by the lifting device 55 (arrow C), and both are connected. Thereafter, the claw portion 60 is moved horizontally and backward (in the direction of arrow D), and the pair of claws 62 are pulled out of the groove portion 18.

Next, as shown in FIG.
Is lowered by one step to the height of the insertion hole 82 of the pallet unit 80 (arrow E). In addition, the direction of the seat unit 10 is changed by 90 ° by using the rotation function of the pallet unit 80, and the user 90 turns his / her back to the elevating device 55. Then, the claw portion 60 is moved horizontally and forward (in the direction of arrow F), and the claw 62 is inserted into the insertion hole 82 to connect the claw portion 60 and the pallet unit 80. In this way, the seat unit 10 is raised (arrow G) by the elevating device 55 via the claw portion 60 and the pallet unit 80 with the seat unit 10 riding on the claw portion 60. Thus, the seat unit 10 can be lifted from the upper surface of the bed 92. Then, the seat unit 10 is temporarily retracted from above the bed 92 by the backward traveling of the elevating device 55. Thereafter, the user can be moved arbitrarily by moving the elevating device 55 arbitrarily.

As shown in FIG. 1, by attaching the main wheels 52 to the elevating device 55, the wheelchair can be run by the user's own manual operation. In this manner, the seat unit 10 provided with the groove 18 and / or the pallet unit 80 provided with the insertion hole 82 provide the lifting device 5 used for moving and transferring the care receiver.
5 can be suitably used. Therefore, the cared person can be suitably moved with a small amount of labor, and the burden on the cared person can be reduced.

The elevating device 55 is provided with running means including wheels 67 and 68 which are extremely small as compared with the main wheel 52 of the wheelchair. . Further, the lifting device 5
5 has both the elevating function and the traveling function, so that it can be used in various situations, such as elevating on the ascending stairs of the entrance and traveling before and after the elevating operation, and moving the seat unit 10 to the bath, toilet, and kotatsu. It can be suitably used.
That is, the lifting and lowering function and the traveling function of the lifting and lowering device 55 can be suitably shared in each place, and the installation cost can be reduced.

In the above embodiment, the case where the seat unit 10 is fixed to the claw portion 60 of the lifting / lowering device 55 via the pallet unit 80 has been described. However, the present invention is not limited to this, and the seat unit 10 may be directly fixed. May be fixed to the claw portion 60 of the lifting device 55. In this case, the rotation function cannot be obtained, but the structure is simplified and the attachment / detachment operation can be easily performed. Further, if the casters are incorporated so that the wheels are exposed on the lower surface of the pallet unit 80 of the above embodiment, the pallet unit 8
A value of 0 makes it possible to move a short distance.

Next, an embodiment of a wheelchair seat unit according to the present invention will be described in detail with reference to FIGS. FIG. 3 is an exploded perspective view of the seat unit. FIG.
3 is a plan view of the embodiment of FIG. 3, and FIG. 5 is a side view of the embodiment of FIG. FIG. 6 is a side view of the embodiment of FIG. 3 folded into a seat shape, and FIG. 7 is a rear view thereof. The wheelchair seat unit 10 is provided as a wheelchair seat portion 12 on which a user sits, and a wheelchair chassis unit 50 (see FIG. 8), which is a portion to which the wheelchair wheels (main wheels 52 and casters 54) are attached. ). The wheelchair seat unit 10 has a left-right division structure so that it can be divided in the left-right direction when the user is separated from the chassis unit 50.

In this embodiment, the width of the seat portion 12 including the backrest portion 14 in the left-right direction can be adjusted. It is provided so as to overlap. The dividing structure has the connecting means 20 (see FIG. 4), and means a structure that can be easily divided and connected at the time of use. Thereby, it can be adjusted so that it can be suitably fitted to the width of the body of the care receiver who is the user.

Next, the form of the left and right members divided by the left and right division structure will be described in detail. As shown in FIG. 3, reference numeral 22 denotes one of the divided frames, which in this embodiment is a portion fitted from the left side of the user. On the other hand, reference numeral 24 denotes the other divided frame, which in this embodiment is a portion fitted from the right side of the user. The thus divided left and right frames are connected as shown in FIG. 4, whereby the wheelchair seat unit 10 is configured.

One divided frame 22 is constituted by one divided seat portion 30 and one divided backrest portion 36. Reference numeral 32 denotes one sheet side frame, in which a front sheet plate 32a extending inward and a sheet transfer frame 32b are integrally fixed, and one of the divided sheet portions 30 having a substantially U-shape and a frame shape is fixed together with their structures. Is formed. In addition, the one sheet side frame 32 is provided with a slit-shaped sheet bottom plate insertion hole 32c which is provided long in the longitudinal direction and penetrates in the horizontal direction. At the rear end of the one seat side frame 32, the lower end of one of the divided backrests 36 is pivotally mounted on a folding shaft 34 so as to be able to bend and rotate.

Numeral 38 denotes one backing side frame, in which an upper backing transfer frame 38a extending inward, an upper backing plate 38b and a lower backing plate 38c are integrally fixed. Are formed. In addition, one back receiving side frame 38 is provided with a slit-shaped middle back plate insertion hole 38d which is provided long along the longitudinal direction and penetrates in the horizontal direction perpendicular to the longitudinal direction, and a horizontal direction perpendicular to the longitudinal direction. A lower back frame insertion hole 38e (see FIG. 5) penetrating through is provided.

Reference numeral 33a denotes one first armrest frame, and 33b denotes one second armrest frame. One end of one of the first armrest frames 33a is rotatably mounted on a halfway portion of one of the back-side frames 38 so as to be rotatable about a shaft 35a. One end of one second armrest frame 33b is rotatably mounted on the front end of one seat side frame 32 so as to be rotatable about a shaft 35b. One of the first armrest frames 33a and one of the second armrest frames 33b are rotatably attached to each other at the other end by a shaft 35c. Therefore, one first armrest frame 33a, one second armrest frame 33b, one seat side frame 3
2, and one back side frame 38 and four shafts 34, 35
A four-node parallel link is formed by the configurations a, 35b, and 35c. Therefore, one of the divided sheet portions 3
When one of the divided backrests 36 is raised about the bending axis 34 with respect to 0, one armrest 3 as shown in FIG.
9 can be automatically set to a predetermined height.

For one of the divided frames 22,
The other divided frame 24 is connected to the other divided sheet portion 40.
And the other divided backrest portion 46. Reference numeral 42 denotes the other sheet side frame, which is provided along the longitudinal direction and has a slit-shaped front sheet plate insertion hole 42a and a sheet bottom plate insertion hole 42c penetrating in the horizontal direction perpendicular to the longitudinal direction. And a sheet frame insertion hole 42b penetrating in the horizontal direction orthogonal to the direction. At the rear end of the other seat side frame 42, the lower end of the other divided backrest 46 is pivotally mounted on a folding shaft 44 so as to be able to bend and rotate.

Reference numeral 48 denotes the other back support side frame, in which a middle back support plate 48d and a lower back transfer frame 48e extending inward are integrally fixed, and together with their structure, form the other divided back support portion 46. ing. Also, the other back receiving side frame 48 has an upper back frame insertion hole 48a penetrating in the horizontal direction perpendicular to the longitudinal direction thereof, and is provided long along the longitudinal direction and penetrates in the horizontal direction perpendicular to the longitudinal direction. A slit-shaped upper back plate insertion hole 48b and a lower back plate insertion hole 48c are provided.

Reference numeral 43a denotes the other first armrest frame, and reference numeral 43b denotes the other second armrest frame. One end of the other first armrest frame 43a is rotatably mounted on a shaft 45a in a middle part of the other back-side frame 48. One end of the other second armrest frame 43b is rotatably mounted on a front end of the other seat side frame 42 so as to be rotatable about a shaft 45b. The other first armrest frame 43a and the other second armrest frame 43b are rotatably mounted on the other ends of the two armrests by a shaft 45c. Therefore, the other first armrest frame 43a, the other second armrest frame 43b, and the other seat side frame 4
2 and the other back side frame 48 and four shafts 44 and 45
A four-node parallel link is formed by the configurations a, 45b, and 45c. Therefore, the other divided sheet portion 4
When the other divided backrest 46 is raised about the bending axis 44 with respect to 0, the other armrest 49 can be automatically set at a predetermined height in the same manner as one armrest 39.

Reference numeral 26 denotes a seat bottom plate,
2 is a portion constituting a central portion, and is provided detachably (separable). That is, the seat bottom plate 26 is not integrally fixed to either one of the divided frames 22 and the other divided frame 24, and as shown by a two-dot chain line in FIG. 3, the seat bottom plate insertion hole 32c ( Or it is provided so that it can be inserted inward from the seat bottom plate insertion hole 42c). Reference numeral 26a denotes a stopper, and the seat bottom plate 2
When step 6 is set, it is formed in a step shape so that it does not fall inside.

According to the above construction, the leading ends of the transfer frames and the plates corresponding to the holes (insertion holes and insertion holes) are inserted into the holes (connection holes 20) (see FIG. 4). By connecting one of the divided frames 22 to the other divided frame 24, the seat unit 10 can be suitably formed. As the connecting means 20, for example, a pin hole is provided in the insertion-side member forming each hole, and the tip of the insertion-side member, which is each frame and each plate, is made to correspond to the pin hole of the insertion-side member. A plurality of pin holes are provided at predetermined intervals in the left-right direction. According to this, the insertion length of each frame and each plate into each hole is appropriately adjusted, the pin hole of the insertion-side member and the pin hole of the insertion-side member are aligned, and the pin is inserted into both pin holes. Can be inserted and fixed (locked). Thereby, as shown in FIG. 4, the seat portion 12 and the backrest portion 14 are provided.
In a state where the width of the one divided frame 22 is appropriately adjusted,
And the other divided frame 24, and the seat unit 10 can be suitably formed.

In the above embodiment, one of the divided frames 2
As means for forming the seat unit 10 for a wheelchair by combining the second and the other divided frame 24, a slit-shaped through hole (through hole) and a frame material and a plate material inserted into the hole are used. However, the present invention is not limited to this. For example, a concave groove and a pipe-shaped frame material fitted into the groove may be used. Also, as for the connecting means 20, it goes without saying that other means such as screws may be used.
Then, one of the sheet side frames 32 corresponding to the four frame portions of the bottom portion 16, the front sheet plate 32a, the sheet transfer frame 32b,
The other sheet side frame 42 has the groove 18 as described above.
Are formed.

Next, a description will be given of a method of using the wheelchair seat unit 10 having the above-described left-right division structure. According to this wheelchair seat unit 10,
For a bedridden elderly person, a disabled person, or a person who is half awake (cared person), one of the divided frames 22 separated to the left and right.
And the other divided frame 24 are inserted under the care receiver from each direction, and jointed by the above-described connecting means 20 to complete the seat unit 10. Thereby, a care receiver such as a disabled person or an elderly person can get on the seat unit 10 in a state in which the care receiver does not move unnecessarily, and the work of changing the care receiver is greatly simplified. That is,
With respect to the work of moving the care receiver on the seat unit 10, the care receiver is conventionally held or held via a hanging member of a lift. This can be done very easily, just turning the caregiver over.

After the cared person is placed on the seat unit 10 in this manner, the cared person may be moved via the seat unit 10. That is, the seat unit 10
In response to this, if a lift having a hanging portion that can be easily attached and detached is used, the labor of the caregiver can be significantly reduced. Then, as shown in FIG. 8, if the seat unit 10 is mounted on and connected to the wheelchair chassis unit 50, the wheelchair is completed, and the care receiver can move appropriately.

Furthermore, when taking a bath, the bathing was conventionally carried on a lift seat, but according to the present embodiment, the bathing can be carried out with the seat unit 10 on. In the past, excretion was also performed by getting off the wheelchair and holding the handrail to go to the excretion area and excreting. However, if an appropriate lift is used, the user can go to the excretion area while riding on the seat unit 10 and excrete. That is, the seat bottom plate 2 which is the bottom of the seat 12
The seat bottom plate 2 is detachably provided so that the seat bottom plate 2 is carried along with the seat unit 10 on a toilet by a lift or the like.
If the user removes 6, the user can suitably use the excretion facility without changing his posture.

Thus, it is possible to appropriately cope with the burden of the caregiver (a lot of people including nurses in nursing care facilities), which is a current social problem, which causes aging of the caregiver and backache. In addition, since the seat unit 10 can be divided from the chassis unit 50 in a wheelchair, the seat unit 1 can be divided.
0 is a chair, which can be suitably used inside a Japanese-style house.

As described above, according to this embodiment, the movement from the bed to the wheelchair, the movement from the wheelchair to the bathing facility, the movement from the wheelchair to the excretion facility, and the movement inside and outside the room are one seat. Since it becomes possible by using the unit 10 as a basis, compatible equipment such as a lift can be adopted, and facility costs can be reduced. Further, according to the seat unit 10 of the present embodiment, the seat unit 12 can be adjusted so that the seat unit 12 having an appropriate width suitable for the user can be formed. However, the structure is complicated because the dividing mechanism has the width adjusting function. It can be easily manufactured without any need. And, by the width adjusting function, the user of the seat unit 10 can be prevented from wobbling, and the ride comfort of the user can be suitably improved.

Further, by using a material having high corrosion resistance so that it can be used in bathing facilities and the like, it can be suitably used for a wide range of applications. For example, the material may be an aluminum alloy, titanium, or plastic (including reinforced plastic) that is lightweight and resistant to corrosion. Further, in the above embodiment, the transfer frame and the transfer plate are allocated to the one divided frame 22 and the other divided frame 24 in a well-balanced manner. Of course, the present invention is not limited to this embodiment. For example, all the transfer members and the transfer plate may be integrally fixed and provided on one of the divided frames, and the other divided frame may be a side frame in which corresponding holes are opened. Alternatively, all the transfer frames may be arranged on one of the divided frames, and all of the transfer boards may be arranged on the other divided frame. As described above, the present invention has been described variously with reference to preferred embodiments. However, the present invention is not limited to the embodiments, and it is needless to say that many modifications can be made without departing from the spirit of the invention. That is.

[0054]

According to the wheelchair according to the present invention, the wheelchair is
Seat unit is separated from the wheelchair chassis unit.
And the main wheel of the wheelchair is raised and lowered
So that it can be moved up and down
The main wheel mounting portion for detachably instrumentation wearing main wheels of the wheelchair
Is provided. Therefore, only the movement and transfer of the care receiver
The main wheel mounting part can be
The main wheel can be easily attached and detached when raised,
It can also run suitably as a manually operable wheelchair. Further, according to the wheelchair seat unit according to the present invention,
Since the groove portion is provided so as to be separable from the chassis unit of the wheelchair, and the bottom portion is formed with a groove into which the claw portion of the elevating device is inserted, the elevating device can suitably move up and down. Also,
To be connected to a pallet unit with a rotating function
Is provided. By thus seat unit is provided, the lifting device to be used for transfer and transferred instead of the caregiver, so can be suitably used. Therefore,
It can be applied to Japanese houses and lifestyles with many steps, and the cared person can be moved appropriately and easily with little effort.
It has a significant effect of reducing the burden on caregivers.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a wheelchair seat unit and a wheelchair according to the present invention.

FIG. 2 is a perspective view for sequentially explaining how to use the embodiment of FIG. 1;

FIG. 3 is an exploded perspective view illustrating details of one embodiment of a wheelchair seat unit according to the present invention.

4 is a plan view of the embodiment of FIG. 3 in a connected state.

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a side view of the embodiment of FIG. 3 folded into a seat shape.

FIG. 7 is a rear view of the embodiment of FIG. 3 folded into a seat shape.

FIG. 8 is a perspective view schematically illustrating a state where the seat unit of the embodiment of FIG. 3 is mounted on a chassis unit.

FIG. 9 is a side view showing a conventional wheelchair.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Seat unit 12 Seat part 14 Backrest part 16 Bottom part 18 Groove part 20 Connecting means 22 One division frame 24 The other division frame 30 One division seat part 34 One bending axis 36 One division backrest part 39 One elbow Hook 40 The other split seat portion 44 The other bending shaft 46 The other split backrest portion 49 The other armrest 50 Undercarriage unit 55 Elevating device 60 Claw portion 62 Claw 64 Support post 65 Base 67 Wheel 68 Rear wheel 72 Cylinder device 74 Chain 78a Main wheel mounting part 78b Main wheel mounting part of reinforcing column 80 Pallet unit 81 Lower body 82 Insertion hole 83 Upper body 84 Bearing 88 Foot rest part 90 User 92 Bed

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁷ identification symbol FI A61G 5/02 506 A61G 5/02 506 512 512 (58) Investigated field (Int.Cl. ⁷ , DB name) A61G 5/00 507-509 A61G 1/00 503 A61G 1/00 508 A61G 5/02 510-512 A61G 5/02 506

Claims (5)

(57) [Claims] 1. A seat and back of a wheelchair on which a user sits.
Wheelchair seat unit with leaning part and running function
And a wheelchair chassis unit having a wheelchair.
Thus, the wheelchair seat unit is provided detachably from the wheelchair chassis unit, and the wheelchair chassis unit is manually operated by a user.
Traveling means consisting of wheels smaller than the main wheel of a wheelchair
And the claw that goes up and down with the wheelchair seat unit placed thereon
A claw portion as a lifting device formed, the main wheel of the wheelchair can be raised and lowered with the lifting of the claw
As described above, the main wheel of the wheelchair can be detachably attached to the claw portion.
The main wheel mounting part to be mounted is provided.
Wheelchair to do . 2. The vehicle according to claim 1, wherein the wheelchair seat unit is provided with a left-right division structure so as to be able to be divided in the left-right direction when the user is separated from the chassis unit. The wheelchair according to 1. 3. The left-right division structure, wherein the left-right width of the wheelchair seat unit is adjustable.
The wheelchair according to claim 2, wherein the left and right members are provided so as to overlap with each other in a predetermined section. 4. A seat and back of a wheelchair on which a user sits.
Together provided as a unit having a resting portion, run
A wheelchair seat unit provided so as to be separable from a wheelchair undercarriage unit having a row function, and a bottom portion formed with a groove into which a lifting claw portion of an elevating device is inserted, and being provided so as to be able to ascend and descend by the elevating device. a is, the elevating device pallet unit in which the upper body provided rotatably relative to the lower body to the <br/> both groove pawl is inserted is formed of the lower side of the bottom portion laid are provided so that coupled with the seat unit for wheelchair you characterized in that it is configured to be rotating with respect to the lower body. 5. The pallet unit according to claim 4 , wherein a central portion of the seat and the pallet unit is provided to be openable in a vertical direction so that a user does not need to change a posture in the excretion facility. Seat unit for wheelchair.