TW201731473A - Bed capable of changing left and right positions for wheelchair and bed body - Google Patents

Abstract

The present invention provides a bed 10, which comprises: a bed body 100 that is in an approximately rectangular plate shape and comprises a bottom member 110 capable of bending and extending along the longitudinal side direction and a bed base 150 supporting the bottom member 110 of the bed body; and a wheelchair 200 that is in an approximately rectangular plate shape and comprises a chair bottom member 210 capable of bending and extending along the longitudinal side direction. The bed body 100 and the wheelchair 200 comprises a structure that can be selectively combined as the combined state described below: a first combined state, in which one side of the bottom member 110 of the bed body along the longitudinal side direction and one side of the chair bottom member 210 along the longitudinal side direction are approximately opposite to each other to form a flush bed surface; and, a second combined state, in which the other side of the bottom member 110 of the bed body along the longitudinal side direction and the other side of the chair bottom member 210 along the longitudinal side direction are approximately opposite to each other to form a flush bed surface.

Description

bed

The present invention relates to a bed formed by combining a wheelchair portion and a bed body portion.

The predecessor proposes a kind of care for the movement (transfer) of the wheelchair and the bed between a patient who is difficult to walk, an elderly person (hereinafter referred to as a care recipient), or a technique for simplifying the assistance of the caregiver. The bed for use has a configuration in which a wheelchair having a flat back pad and a seat surface is combined with a bed body portion to form a whole bed surface (refer to Patent Document 1 and Patent Document 2). [Practical Technical Literature] [Patent Literature]

Patent Document 1: Japanese Laid-Open Utility Model No. 3,169,742 Patent Document 2: JP-A-2011-115487

[Problems to be Solved by the Invention] A conventional care bed in which a wheelchair and a bed body portion are combined, at least in the structure of one portion of the wheelchair, the head side direction and the foot side in the longitudinal direction of the bed The direction is fixed. The direction of movement for separating the wheelchair from the bed body portion is fixed in any direction of the care subject's right hand direction or left hand direction.

However, in the market, there is a demand for a bed of the type that allows the wheelchair to be detached in either direction. Each type of bed may be selected according to the preference of the caregiver, and may be selected, for example, according to the configuration of the room shape of the bed or other furniture. In addition, there are cases in which the body is inconvenient in the body, and the body is difficult to move in a certain direction or dangerous.

In order to meet the needs of these market manufacturers, it is necessary to manufacture two types of products for the care of the beds, or to manufacture according to the orders received, with increased manufacturing costs, demand assessment and product or parts inventory adjustment. Difficulties, long-term delivery time and other issues.

In addition, in the case where a room is moved or moved by a person who is using the bed on a daily basis, not only the size of the bed but also the direction in which the wheelchair portion can be separated from the bed body portion is inconvenient.

Accordingly, the present invention provides a bed that can exchange the left and right positions of the wheelchair portion and the bed body portion. [Technical means to solve the problem]

A bed according to an aspect of the present invention includes: a bed body portion having a substantially rectangular plate shape, a bed body bottom member bendable and extendable in a longitudinal direction, and a bed base portion supporting a bed body bottom member And a wheelchair portion having a substantially rectangular rectangular plate shape including a chair bottom member that can be bent and extended in the longitudinal direction; and the bed main portion and the wheelchair portion have a structure that can be selectively combined in the following combined state: first In the combined state, one side of the bed body bottom member along the longitudinal direction faces the side of the chair bottom member substantially parallel to one side in the longitudinal direction to form a flush bed surface; and in the second combined state, the bed body bottom member The other side along the longitudinal direction is opposed to the other side of the chair bottom member in the longitudinal direction to form a flush bed surface. [Effect of the present invention]

In the bed of the present invention, the left and right positions of the wheelchair and the bed body portion can be exchanged, so that the respective bodies of the same configuration correspond to different uses of the right and left.

Hereinafter, embodiments of the present invention will be described. Further, each of the embodiments described below shows a specific example of a preferred aspect of the present invention. Therefore, the numerical values, the shapes, the materials, the constituent elements, the arrangement of the constituent elements, and the connection form shown in the following embodiments are merely examples, and are not intended to limit the present invention. Among the constituent elements of the following embodiments, constituent elements not shown in the independent request item showing the highest concept are described as arbitrary constituent elements.

In addition, each figure used in the following description is a schematic view, and the shape-size relationship of each component is not correctly displayed. Further, even if an element that can be included in the configuration of the bed of the present disclosure, the elements that are not required in the technical description of the present disclosure may be omitted. The constituent members common to the drawings in the plural drawings are denoted by the same reference numerals, and the description thereof will not be repeated.

(Embodiment 1) [1. Configuration] [1-1. Outline] First, an outline of a bed according to Embodiment 1 will be described with reference to Figs. 1 to 3 .

1 and 2 are perspective views of the bed 10 of the first embodiment as seen from the same direction. The bed 10 includes a bed main body portion 100 and a wheelchair portion 200, and the bed main body portion 100 and the wheelchair portion 200 are separable. 1 shows a state in which the bed main body portion 100 and the wheelchair portion 200 are not separated, that is, a state in which they are combined; and FIG. 2 shows a state in which the bed main body portion 100 is separated from the wheelchair portion 200. The bed 10 is switched between the combined state shown in FIG. 1 and the separated state shown in FIG. 2 by moving the wheelchair portion 200 in parallel along the z-axis shown. An arrow T1 in the figure indicates a moving direction for separating the wheelchair unit 200 from the bed main body portion 100, and an arrow T2 indicates a moving direction (the same applies hereinafter) for combining the wheelchair portion 200 and the bed main body portion 100. Further, in the bed 10, the bed main body portion 100, and the wheelchair portion 200 shown in Figs. 1 and 2, the proper posture of the body of the caregiver is the positive direction of the foot toward the x-axis when viewed from the center of each of the heads. Heading in the negative direction.

[1-2. Outline of Bed Main Body Section] Next, an outline of the bed main body unit 100 will be described.

The bed main body portion 100 includes a bed main body bottom member 110, an upper body supporting member 120a, a knee supporting member 120c, a leg supporting member 120d, a bed base portion 150, and a wheelchair fixing portion 180.

The bed body bottom member 110 is a plate-like member that supports a substantially long rectangular shape of the body of the caregiver. The substantially long rectangle referred to herein may be a long shape suitable for the length of the bed. For example, each side may be non-linear, and the corner may be rounder than the illustrated shape. In addition, the shape of the plate referred to here may be a shape of a flat plate, and the top surface (the surface facing the positive direction of the y-axis, the same applies hereinafter) may have irregularities on each surface, and may have a through hole. . Further, a cushion member (not shown) such as a quilt or a mattress may be further placed on the top surface at the time of use, and the bed body bottom member 110 supports the caregiver via the cushion member. In the present embodiment, the bed body bottom member 110 includes five plate-like members arranged in the longitudinal direction (the bottom member 110a, the waist bottom member 110b, the knee bottom member 110c, the foot bottom member 110d, and the sole member). 110e) is configured to be bendable and stretchable in the longitudinal direction of the bed body bottom member 110 by connecting adjacent ones of the members so as to be rotatable about a common axis.

The upper body support member 120a, the knee support member 120c, and the foot support member 120d shown in Fig. 2 are part of a plurality of support members (hereinafter also referred to as support members 120) provided in the bed body portion 100, and their respective details will be referred to. Other drawings will be described in detail later. The support member 120 is supported by the bed base portion 150 and supports the bed body bottom member 110.

Further, the support member 120 includes one or more connection mechanisms (not shown) configured by combining a plurality of levers, a shaft, and the like, and has mobility, and further includes an electric actuator for operating and locking the connection mechanism, or The cylinder or the like of the air pressure or the oil pressure deforms the bed body bottom member 110 into a predetermined shape which is bent and supports the predetermined shape. In addition, it can replace the electric actuator and include a mechanism that can be locked in a predetermined state.

Further, when the bed main body portion 100 and the wheelchair portion 200 are in a combined state, the shape of the chair bottom member 210 to be described later is also extended, and the predetermined shape of the bending is supported. The arrows M11 and M12 of Fig. 1 show an example of the direction in which the bed main body bottom member 110 and the chair bottom member 210 are bent when the bed main body portion 100 and the wheelchair portion 200 are in a combined state. Thereby, the back of the back and the support of the thigh are provided to the care recipient by the bed 10. At the medical or nursing site, the physical burden of the caregivers and caregivers is reduced by the functions of the bed 10, and the comfort and safety of the caregivers are improved.

Further, the support member 120 provides the bed 10 with a function of supporting the lifted back of the caregiver, lifting the knee, and the like by deforming the bed body bottom member 110 into a predetermined shape as described above. In this case, the bed 10 is further provided with a controller (not shown) for controlling the operation of the actuator. These functions also reduce the physical burden on caregivers and caregivers. This actuator is illustrated in other figures and described later.

The bed base portion 150 supports the entire bed of the wheelchair unit 200 including the above-described bed main body bottom member 110 and the support member 120 and the bed body unit 100. Further, the wheelchair fixing portion 180 is supported by the bed base portion 150, and when the bed main body portion 100 and the wheelchair portion 200 are combined, the ineffective movement of the wheelchair portion 200 in the z-axis direction is restricted and fixed. One of the safety mechanisms for causing the wheelchair portion 200 not to be accidentally separated from the bed body portion 100. The bed base portion 150 has a shape other than the above, and is symmetrical with respect to a plane parallel to the yz plane (hereinafter referred to as a lateral center plane) passing through the center in the longitudinal direction (the direction along the x-axis in the drawing). Further, the wheels provided in the bed base portion 150 in the respective drawings are arranged at an asymmetrical position with respect to the lateral center plane of the bed base portion 150, but may be arranged symmetrically.

Further, in order to improve the convenience and safety for the care receiver, a head plate, a footrest, a side bar, or the like (all not shown) may be attached to the bed main body portion 100. For example, the side bar can be attached to and detached from the bed base portion 150 as the side bar fixing members 190a and 190b provided in Fig. 2 . Further, the side bar fixing members 190a and 190b are part of the side bar fixing members provided in the bed base portion 150, and further include side bar fixing members 190c and 190d on the side opposite to the side bar fixing members 190a and 190b (hereinafter The side bar fixing members 190a to 190d are also collectively referred to as side bar fixing members 190). The side bar fixing members 190c and 190d are shown in other drawings to be referred to later.

[1-3. Outline of Wheelchair Section] Next, the outline of the wheelchair section 200 will be described.

The wheelchair unit 200 includes a chair bottom member 210 and a wheelchair base portion 250.

The chair bottom member 210 is a plate-like member that supports a substantially long rectangular shape of the body of the caregiver. The generally long rectangular shape and plate shape referred to herein are the same as the shape of the bed body bottom member 110. Further, at the time of use, the chair bottom member 210 may support the caregiver via a cushioning member (not shown). In the present embodiment, the chair bottom member 210 also includes five plate-shaped members arranged in the longitudinal direction in the same manner as the bed bottom member 110 (the bottom bottom member 210a, the waist bottom member 210b, the knee bottom member 210c, and the like). The foot bottom member 210d and the foot bottom member 210e) are configured to be bendable in the longitudinal direction of the chair bottom member 210 by connecting adjacent two of the members arbitrarily rotatable about a common axis. Fold and stretch.

The wheelchair base portion 250 is a frame structure in which a plurality of levers, shafts, and the like are combined, and supports the chair bottom member 210, and further includes an electric actuator for operating and locking the connection mechanism, or air pressure or oil pressure. Cylinders, etc. Thereby, even if the state is separated from the bed main body part 100 as shown in FIG. 2, the chair bottom member 210 can be deformed into a predetermined shape which is bent, and it can support by retaining this predetermined shape. In addition, it can replace the electric actuator and include a mechanism that can be locked in a predetermined state. The arrows M21 to M23 of Fig. 2 show an example of the direction in which the chair bottom member 210 of the wheelchair portion 200 is bent by the bending extension. The chair bottom member 210 is bent in such a manner that it can be changed from the stretched shape of the caretaker for supporting the bed to the back cushion for the wheelchair, the seat surface, and the foot support for the caregiver. Chair shape. Further, the wheelchair base portion 250 can be further supported by holding the chair bottom member 210 in an intermediate shape of an extended shape and a chair shape.

Further, the wheelchair unit 200 further includes a controller (not shown) for controlling the operation of the actuators. Thereby, the caregiver can easily deform the wheelchair unit 200 from a flat posture to a posture of the chair.

Further, the wheelchair base portion 250 is provided with wheels 230a and 230b for moving the wheelchair portion 200. Further, the wheels 230a and 230b are a part of the wheel of the wheelchair base unit 250, and further include wheels 230c and 230d (hereinafter, the wheels 230a to 230d are collectively referred to as wheels 230). The wheels 230c and 230d are shown in other drawings to be referred to later.

Further, the wheelchair unit 200 further includes an armrest 290L and an armrest 290R (hereinafter also referred to as an armrest 290), and extends in the x-axis direction at a position where the waist bottom member 210b and the knee bottom member 210c are sandwiched in the z-axis direction in plan view. Both the armrest 290L and the armrest 290R are located beside the seat surface of the wheelchair unit 200. In the present embodiment, the position from the waist bottom member 210b of the chair bottom member 210 to the knee bottom member 210c is viewed along the plan view. A long strip shape extending in the direction of the long side.

The armrest 290 includes a handrail top 290a and a handrail cover 290b, respectively. However, in Figure 2, the armrest 290L is mostly hidden, showing only a small portion of the armrest top 290a of the armrest 290L.

The armrest 290 is movable up and down (in the direction of the y-axis shown). Figure 2 shows the state in which the armrest 290 is at the lowest position. For example, when the wheelchair portion 200 is in a state of being combined with the bed main body portion 100, for example, in order to form the bed surface, the armrest top portion 290a is lowered so as not to interfere with the height of the bed main body bottom member 110 and the chair bottom member 210 which are arranged side by side in the longitudinal direction. . When the wheelchair unit 200 is in a state of being separated from the bed main body portion 100, the armrest 290 is moved from the position upward as indicated by the arrow M24U, and the top surface of the armrest top 290a is raised to a predetermined height, for example, sitting in the wheelchair portion 200. The height of the caregiver near the elbow is fixed. The armrest 290 will be described later.

The outer shape of the wheelchair portion 200 as described above is substantially symmetrical with respect to a plane parallel to the xy plane passing through the center of the z-axis direction.

[1-4. Outline of the combined state of the bed main body portion and the wheelchair portion] When the bed main body portion 100 and the wheelchair portion 200 are in a combined state, as shown in Fig. 1, the side of the bed main body bottom member 110 along the longitudinal direction The chair bottom member 210 faces substantially parallel to one side in the longitudinal direction. At this time, the bed main body portion 100 and the wheelchair portion 200, more specifically, the top surface of the bed main body bottom member 110 and the top surface of the chair bottom member 210 constitute a flush bed surface. Further, the back bottom member 110a is juxtaposed with the back bottom member 210a, the waist bottom member 110b is juxtaposed with the waist bottom member 210b, the knee bottom member 110c is juxtaposed with the knee bottom member 210c, the foot bottom member 110d is juxtaposed with the foot bottom member 210d, and the foot bottom member 110e is juxtaposed. It is juxtaposed with the sole member 210e.

Here, the bed 10 separated from the assembled state shown in FIG. 1 into the separated state shown in FIG. 2 is viewed from the caretaker lying in the bed at an appropriate posture, and the chair bottom member 210 is located at the bed body bottom member 110. On the right side. Therefore, in order to transfer the caregiver to the wheelchair unit 200, the caregiver moves the caretaker in the right hand direction of the caregiver from the bedridden state.

Further, as shown in FIG. 3, the bed 10 of the present embodiment can be used in a state in which the caregiver moves to the wheelchair unit 200 and moves from the bed-bed state to the left-hand direction of the care receiver. Fig. 3 is a perspective view of the bed main body portion 100 and the wheelchair portion 200 prepared for the combination of the use patterns in the same direction as Figs. 1 and 2;

3 and FIG. 2, the state shown in FIG. 3 is different from the orientation of the chair bottom member 210 and the wheel 230 and the armrest 290 which are visible before the wheelchair base portion 250. The state shown in Fig. 2 is rotated by 180 degrees in the horizontal direction (around the y-axis). On the other hand, although the orientation of the bed base portion 150 in the bed main body portion 100 is not changed, the bed main body bottom member 110 is rotated 180 degrees in the horizontal direction from the state shown in FIG. Therefore, the bed 10 in which the bed main body portion 100 and the wheelchair portion 200 are combined from the state shown in Fig. 3 is maintained in parallel with the respective members of the bed main body bottom member 110 and the members of the chair bottom member 210. On the other hand, the left and right positions of the bed body bottom member 110 and the chair bottom member 210 are exchanged from the state shown in FIG. 2. In the bed 10 in the combined state, the caregiver moves the caretaker in the left-hand direction of the caregiver from the bed-bed state, and transfers from the bed main body unit 100 to the wheelchair unit 200.

In this manner, the bed main body portion 100 of the bed 10 and the wheelchair portion 200 can be selectively combined in a combined state in which the side of the bed body bottom member 110 along the longitudinal direction is longer than the length of the chair bottom member 210. One side of the side direction forms a combined state of the flush bed surface in a substantially parallel direction (hereinafter also referred to as a first combined state); the other side of the bed body bottom member 110 along the long side direction and the chair bottom member 210 The other side along the longitudinal direction is opposed to each other to form a combined state of the flush bed surface (hereinafter also referred to as a second combined state). 2 and FIG. 3, it can be said that one of the bed main body parts 100 and the wheelchair part 200 which are ready to be in the first combined state can be said to be the second. The prepared bed main body portion 100 and the wheelchair portion 200 in a combined state.

Further, in the bed 10 of the present embodiment, in any of the first combined state and the second combined state, the bed bottom member 110 and the chair bottom member 210 can be bent and extended to provide the support such as the lift back. The function of the person. Next, the configuration of the bed main body portion 100 which can provide such functions to the left and right positions of the bed bottom member 110 and the chair bottom member 210 in this manner will be described.

[2. Detailed configuration of the bed main body portion] Fig. 4 is an exploded perspective view of the bed main body portion 100 in the assembled state shown in Fig. 2, and Fig. 5 is an exploded perspective view of the bed main body portion 100 in the assembled state shown in Fig. 3. 4 and 5 are views of the bed main body portion 100 as seen from a direction substantially the same as that of Figs. 1 to 3 . In addition, as shown in FIG. 4 and FIG. 5, it is also possible to show that the bed main body unit 100 and the wheelchair unit 200 are assembled in a disassembled state in which the bed main body unit 100 can be assembled in the first combined state. The other side is an exploded state in which the bed main body portion 100 assembled so as to be in the second combined state can be displayed. The arrows of the one-dot chain line included in FIG. 4 and FIG. 5 refer to the approximate mounting positions of the components for bringing the bed main body portion 100 from the disassembled state to the assembled state. The details will be described in the description of the constituent elements of the subsequent bed body portion 100. In addition, in order to explain the arrangement of the components in the assembled state, etc., reference is also made to FIG. 2 or FIG. 3 as appropriate.

The bed main body portion 100 further includes a center support member 120b in addition to the upper body support member 120a, the knee support member 120c, and the leg support member 120d. The central support member 120b is also supported by the bed base portion 150 and is one of the support members 120 that support the bed body bottom member 110. The support members 120 are disassembled, and the upper body support member 120a, the central support member 120b, the knee support member 120c, and the foot support member 120d are arranged in the order described above in the longitudinal direction of the bed body bottom member 110. In FIG. 4 and FIG. 5, the central support member 120b is rotated 180 degrees in the horizontal direction to the bed base portion 150, and the upper support member 120a, the knee support member 120c, and the foot support member 120d are respectively mounted to the central support member 120b. The location corresponds.

The center support member 120b of the present embodiment is a structure in which a plurality of rods and a shaft are connected, and the back bottom member 110a is supported directly or via the upper body support member 120a, which will be described later, and the knee bottom member is supported via the knee support member 120c which will be described later. 110c and foot bottom member 110d. Further, when the bed main body portion 100 and the wheelchair portion 200 are in a combined state, the center support member 120b further supports the back bottom member 210a via the upper body support member 120a, and supports the knee bottom member 210c and the foot bottom member 210d via the knee support member 120c. . 4 and FIG. 5, the assembly state of the first combined state and the assembled state of the second combined state are the same as the mounting position of the center support member 120b (arrow A1).

Further, the center support member 120b is provided with an actuator 140a (refer to FIG. 4) and an actuator 140b (refer to FIG. 5).

The actuator 140a is connected to, or operated as, a part of the connection mechanism of the support member 120, and the bed body bottom member 110 and the chair bottom member 210 are moved by the upper body support member 120a. Each of the long sides is bent and stretched. For example, the bending of the direction indicated by the arrow M11 in Fig. 1 is part of the bending and stretching action. That is, the actuator 140a is a mechanism for providing a function of lifting the back on one end side in the x-axis direction. The actuator 140a of the present embodiment is an example of a first bending and stretching mechanism.

The actuator 140b is connected to or operated as a part of the coupling mechanism of the support member 120, and the bed body bottom member 110 and the chair bottom member 210 are supported by the knee support member 120c. Stretch and stretch in the direction of each long side. For example, the bending of the direction indicated by the arrow M12 in Fig. 1 is part of the bending and stretching action. That is, the actuator 140b is a mechanism for realizing the function of lifting the knee on the one end side opposite to the side on which the actuator 140a provides the function of raising the back in the x-axis direction. The actuator 140b of this embodiment is an example of a second bending and stretching mechanism.

The center supporting member 120b having such a configuration moves symmetrically with respect to the lateral center plane of the bed base portion 150 when the bed main body portion 100 and the wheelchair portion 200 are combined in the first combined state and in the second combined state. As a result, as shown in FIG. 2 and FIG. 3, even if the bed main body bottom member 110 and the wheelchair portion 200 are rotated 180 degrees in the horizontal direction, the function for providing the caregiver with the function of lifting the back can be performed. The device is set in the correct orientation. Further, in the case of the switching operation between the first combined state and the second combined state, the change of the central support member 120b including the actuator and being complicated and heavy is only the rotation at the same mounting position, thereby pursuing Simplification of work and reduction of load. The central support member 120b of the present embodiment is an example of a second support member.

In the present embodiment, the upper body support member 120a is a long rod, and is attached to one end side (arrow A2) of the center support member 120b in the x-axis direction in the assembled state of the bed main body portion 100, and supports the back bottom member 110a. Further, when the bed main body portion 100 and the wheelchair portion 200 are in a combined state, the upper body support member 120a further supports the back bottom member 210a of the wheelchair portion 200. The upper body support member 120a is supported by the center support member 120b on the bed base portion 150. On the other hand, in the shape in which the bed body bottom member 110 is stretched, the vicinity of both ends in the longitudinal direction of the upper body supporting member 120a itself is directly supported by the bed base portion 150 (refer to Figs. 2 and 3).

Further, the position indicated by the arrow A2 is a movable portion of the coupling mechanism that is operated by the actuator 140a, and the upper body supporting member 120a is moved up and down by the actuator 140a. The lifting function of the bed 10 is achieved by supporting the upper bottom support member 120a and the back bottom member 210a with the upper body support member 120a. The upper body supporting member 120a of the present embodiment is an example of the first supporting member.

The knee support member 120c of the present embodiment is a structure in which two rods arranged in parallel are hingedly connected. In the assembled state of the bed main body portion 100, the shaft portion of the hinge is made upward (the positive direction of the y-axis), and one of the rods is attached to the end of the central support member 120b in the x-axis direction opposite to the end side of the upper body supporting member 120a. The other side (arrow A3) is attached to the other end of the leg supporting member 120d in the x-axis direction (arrow A4). Thereby, the knee supporting member 120c is positioned below the knee bottom member 110c and the sole portion 110d to support the members such that the shaft portion of the hinge is located below the connecting portion of the knee bottom member 110c and the foot bottom member 110d. Further, when the bed main body portion 100 and the wheelchair portion 200 are in a combined state, the knee support member 120c further supports the knee bottom member 210c and the foot bottom member 210d of the wheelchair portion 200, and the shaft portion of the hinge is also located at the knee bottom member 210c and the foot bottom member. Below the connecting part of 210d. Further, the knee support member 120c is indirectly supported by the center support member 120b and the foot support member 120d at the bed base portion 150.

The position indicated by the arrow A3 is the movable portion of the coupling mechanism operated by the actuator 140b, and the movement of the actuator 140b and the sliding in the x-axis direction on the bed base portion 150 of the foot supporting member 120d are The hinge of the knee support member 120c is opened and closed. The knee lifting function of the bed 10 is achieved by closing the hinge of the knee support member 120c, the shaft portion of the raised hinge, the connecting portion of the knee bottom member 110c and the sole member 110d, and the knee bottom member 210c and the sole of the foot. The connecting portion of the member 210d is pushed up. The knee supporting members 120c of the present embodiment are examples of one of the third supporting members.

The leg supporting member 120d of the present embodiment is connected such that the plurality of levers constitute a structure having a substantially rectangular shape. In the assembled state of the bed body portion 100, under the foot bottom member 110d and the foot bottom member 110e (arrow A5), supported by the bed base portion 150 (refer to FIGS. 2 and 3), the foot bottom member 110d and the foot are supported. Bottom member 110e. The leg supporting members 120d of the present embodiment are examples of the other part of the third supporting member.

The position of the upper body supporting member 120a (first supporting member) and the knee supporting member 120c and the leg supporting member 120d (third supporting member) is configured such that the bed main body portion 100 and the wheelchair portion 200 are combined in the first combined state. When it is combined with the second combined state, the lateral center plane of the bed base portion 150 is symmetrically moved.

Further, the bed body bottom member 110, after changing the positional relationship of the support member 120 and the bed base portion 150 as described above, is carried on the support member 120 in an orientation that is symmetrically moved with respect to the lateral center plane of the bed base portion 150 (arrow A6) ). Then, the wheelchair unit 200 moves symmetrically with respect to the lateral center plane of the bed base unit 150, and moves in parallel along the z-axis direction to be combined with the bed main body unit 100.

In this manner, the left and right positions of the bed body bottom member 110 and the chair bottom member 210, before and after the exchange, the positional relationship between the bed body bottom member 110 and the support member 120, the center plane of the bed body bottom member 110 in the x-axis direction symmetry. Further, in any of the combined state before and after the exchange, the movement of the link mechanism caused by the action of the support member 120 and the actuator 140 is also similarly performed to the chair bottom member 210 by the upper body support member 120a and the knee support member 120c. transfer. That is, regardless of the positional relationship between the bed body portion 100 and the left and right sides of the wheelchair portion 200, the caregiver is provided with a function such as lifting the back. Further, in the operation for switching between the first combined state and the second combined state, the first supporting member that is lightly made by not including the actuator for the position exchange with respect to the bed base portion 150 is used. And the third support member, and the load is reduced.

[3. Effect] The bed 10 of the present embodiment includes the bed main body portion 100 having a substantially rectangular plate shape, and includes a bed main body bottom member 110 that can be bent and extended in the longitudinal direction, and a support bed main bottom member. The bed base portion 150 of the 110; and the wheelchair portion 200 have a substantially rectangular rectangular plate shape, and includes a chair bottom member 210 that can be bent and extended in the longitudinal direction; the bed main body portion 100 and the wheelchair portion 200 have the following a structure in which the combined state is selectively combined: in the first combined state, one side of the bed body bottom member 110 along the longitudinal direction is flush with the side of the chair bottom member 210 substantially in the longitudinal direction to form a flush In the second combined state, the other side of the bed main body bottom member 110 along the longitudinal direction faces the other side of the chair bottom member 210 in the longitudinal direction to form a flush bed surface.

Thereby, for example, the manufacturer or supplier of the bed 10 can selectively exchange the left and right positions of the bed main body portion 100 and the wheelchair portion 200 by the bed 10 having the same constituent elements. Further, when the user moves or the like, the bed 10 is also restricted in the direction in which the user can move by the direction in which the wheelchair can be separated. Further, by the detachable direction of the wheelchair, the configuration of the bed 10 for generating the destination is not limited, and the replacement bed 10 is required to be purchased.

Specifically, for example, the bed main body portion 100 further includes the first support member 120a, the second support member 120b, and the third support members 120c and 120d which are arranged in the longitudinal direction of the bed main body bottom member 110 in this order. The support member is supported by the bed base portion 150 and supports the bed body bottom member 110. The second support member 120b includes the first bending extension mechanism 140a, and the first support member 120a is in the first combined state. In the combined state, the bed main body bottom member 110 is bent and extended along the longitudinal direction of the bed main body bottom member 110 by the third supporting members 120c and 120d; when the bed main body portion 100 and the wheelchair portion 200 are combined in the first combined state When the second combined body is combined, the second support member 120b, the bed main bottom member 110, and the wheelchair portion 200 move symmetrically with respect to the lateral center plane of the bed base portion 150.

Thereby, for example, the bed 10 which is formed by combining the bed main body unit 100 and the wheelchair unit 200 is provided with a lifting function, and when the bed main body 100 and the wheelchair unit 200 are positioned to the left and right, the function for lifting the back can be easily changed. The first bends the orientation of the stretching mechanism 140a.

Further, the bed main body portion 100 may further include the first support member 120a, the second support member 120b, and the third support members 120c and 120d which are arranged in the longitudinal direction of the bed main body bottom member 110 in this order. The support member is supported by the bed base portion 150 and supports the bed body bottom member 110. The second support member 120b includes a first bending extension mechanism 140a, and the bed body bottom member 110 is along the first support member 120a. The longitudinal direction of the bed body bottom member 110 is bent and extended; and the second bending and stretching mechanism 140b, the bed body bottom member 110 is along the longitudinal direction of the bed body bottom member 110 by the third supporting members 120c and 120d When the bed main body portion 100 and the wheelchair portion 200 are combined in the first combined state and in the second combined state, the second support member 120b, the first support member 120a, the third support members 120c and 120d, The wheelchair portion 200 moves symmetrically with respect to the lateral center plane of the bed base portion 150.

Thereby, for example, when the bed 10 is provided with the lift function and the knee lift function, the first bending stretch mechanism 140a for the lift function can be easily changed when the left and right positions of the bed body portion 100 and the wheelchair portion 200 are exchanged. And the orientation of each of the second bending and stretching mechanisms 140b for lifting the knee function.

(Embodiment 2) [1. Outline] The configuration of the left and right positions of the exchangeable bed main body portion and the wheelchair portion is not limited to the above configuration. The bed 1010 of the present embodiment includes a base portion different from that of the first embodiment, and includes a bed main body portion that can exchange left and right positions with the wheelchair portion.

Fig. 6 is a perspective view showing the appearance of the entire bed 1010 of the embodiment. The appearance of the bed 1010 and the operations shown by the arrows M11 and M12 in the drawing are the same as those of the bed 10 shown in Fig. 1. Further, the wheelchair portion, the bed body bottom member, and the support member provided in the bed 1010 are also the same as the wheelchair portion 200, the bed main body bottom member 110, and the support member 120 of the first embodiment, and therefore, the description of the first embodiment and 2 to 5 replace the description of the components and the drawings, and will not be repeated here. The bed main body portion of the bed 1010 has the same appearance as that of the bed main body portion 100 of the first embodiment, and the detailed configuration of the bed base portion is different from that of the bed base portion 150. Hereinafter, the configuration of the bed base portion 1150 of the bed 1010 will be described.

[2. Configuration of Bed Base Table] FIGS. 7A and 7B are plan views of the bed base portion 1150 according to the second embodiment.

The components of the bed base portion 1150 shown in Figs. 7A and 7B are basically the same as those of the first embodiment. Here, the components that are not described with reference to FIGS. 1 to 5 will be described. Further, in the bed base portion 1150 shown in FIGS. 7A and 7B, it is assumed that the proper posture of the body of the caregiver is the positive direction of the foot toward the x-axis when viewed from the center, and the head is oriented in the negative direction.

7A and 7B, the rectangular area A11 of the one-dot chain line indicates the position of the center support member 120b of the bed base portion 1150, that is, the mounting position of the center support member 120b (hereinafter referred to as the mounting position A11 of the center support member 120b). ). Further, in the present embodiment, unlike the first embodiment, the bracket-shaped member that supports the center support member 120b is not provided, and the center support member 120b is supported by the bed base portion 1150 in a different manner from the first embodiment. For example, the center support member 120b is provided with a hook (not shown), and is attached to the rod base portion 1150 by hooking the hook so as to be hooked on the rod constituting the bed base portion 1150.

In addition, the rectangular area A21 of the one-point chain line is in a position where the direction of the arrow T2 is entered, and the wheelchair base portion 250 of the wheelchair unit 200 that is in a state of being combined with the bed main body unit 100 is fixed (hereinafter, simply referred to as a wheelchair) The fixed position A21 of the portion 200.

The bed abutment beam 170 is a columnar member extending in the longitudinal direction of the bed base portion 1150 (in the direction of the x-axis shown), and has a large member for supporting the combined bed 1010 and the caregiver The rigidity of the load is used to join the head side and the foot side of the bed base portion 150. Therefore, in the present embodiment, the bed base beam 170 is located in the mounting position A11 in a plan view so as not to interfere with the wheelchair portion 200.

The wheelchair stopper 175 is fixed to the bed base beam 170, which extends from the mounting position A11 of the center support member 120b to the member of the fixed position A21 of the wheelchair portion 200 in plan view. In the time point from the start of separation of the bed main body portion 100, the wheelchair portion 200 is in a state in which the armrest 290 is lowered (refer to Fig. 6). If the wheelchair unit 200 in which the caregiver is seated operates in this state, there is a risk that the care receiver will fall. In order to reduce this risk, if the wheelchair portion 200 is moved in the direction in which the wheelchair portion 200 is separated from the bed main body portion 100 (the direction of the arrow T1), the lower end portion of the armrest 290 (in this example, the armrest 290L) is pressed against it. The recess of the U-shaped portion (the portion located in the fixed position A21) of the wheelchair stopper 175 limits the movement of the wheelchair portion 200 so that it cannot be separated. If the armrest 290 is raised to the extent that the lower end portion does not abut the wheelchair stopper 175, the restriction is released. The wheelchair unit 200 can be moved and separated in a safe state in which the armrest 290 prevents the caretaker from falling.

2 to 5, only one wheelchair fixing portion 180 is seen. However, as shown in FIGS. 7A and 7B, the wheelchair fixing portion is provided at both ends of the fixed position A21 of the wheelchair portion 200 in the x-axis direction.

In the bed base portion 1150 shown in FIG. 7A and the bed base portion 1150 shown in FIG. 7B, the wheelchair fixing portion 180 and the bed base beam 170 are positioned in the short side direction of the passing bed base portion 1150 (along the figure). The plane parallel to the xy plane (the dotted line in FIGS. 7A and 7B, hereinafter also referred to as the vertical center plane) at the center of the z-axis direction is symmetric. Thereby, in the bed base portion 1150, the attachment position A11 of the center support member 120b and the fixed position A21 of the wheelchair portion 200 can be exchanged. Further, the wheelchair fixing portion 180 and the bed base beam 170 are fixed to the bed base portion 1150 by screws or the like, and are configured to be attachable and detachable.

That is, by this configuration, the fixed position of the wheelchair portion 200 is symmetrically moved with respect to the longitudinal center plane of the bed base portion 1150. Further, the center support member 120b (second support member) can be attached to the bed base portion 1150 at a position that is symmetrically moved to the longitudinal center plane of the bed base portion 1150. Thereby, the bed main body unit 100 and the wheelchair unit 200 can be selectively combined in the first combined state and the second combined state as described above. In the first combined state and the movement of the wheelchair unit 200 in the second combined state, the first embodiment is compared with the first embodiment, and the first embodiment is a symmetric movement of the lateral center plane of the bed base unit 150. A symmetrical movement of the longitudinal center plane of the bed abutment portion 1150.

Further, the wheelchair fixing portion 180 moves symmetrically with respect to the longitudinal center plane of the bed base portion 1150 when the bed main body portion 100 and the wheelchair portion 200 are combined in the first combined state and in the second combined state. As a result, the bed body unit 100 and the wheelchair unit 200 are in either of the first combined state and the second combined state, and the occurrence of accidental separation of the wheelchair unit 200 is suppressed.

Further, the position and extension direction of the wheelchair stopper 175 are also changed in accordance with the movement of the bed base beam 170. Thereby, in a case where the bed main body portion 100 and the wheelchair portion 200 are separated from any of the combined state, the wheelchair stopper 175 can still function as described above.

Further, the change of the position of the wheelchair fixing portion 180 and the bed base beam 170 as described above is realized by, for example, the following configuration. The bed base beam 170 and the wheelchair fixing portion 180 are screwed to the bed base portion 1150. In this case, in the bed base portion 1150, a screw hole for fixing these constituent elements is provided at a position symmetrical with respect to the longitudinal center plane of the bed base portion 1150. Thereby, the arrangement of the bed base beam 170 and the wheelchair fixing portion 180 symmetrically with respect to the longitudinal center plane of the bed base portion 1150 can be fixed.

Further, the configuration in which the wheelchair fixing portion 180 and the bed base beam 170 are fixed to the bed base portion 1150 is not limited to the type in which the screw is used. For example, the wheelchair fixing portion 180 and the bed base beam 170 may be provided with brackets, and the brackets may be hooked to the rods of the bed base portion 1150 to insert the stopper pins.

Further, the support member 120 other than the center support member 120b is moved in accordance with the position of the center support member 120b. For example, in the case of FIG. 7A, the upper body support member 120a, the knee support member 120c, and the leg support member 120d are combined in the same manner as in FIG. In the case of FIG. 7B, the upper body support member 120a, the knee support member 120c, and the leg support member 120d are combined in the same manner as in FIG. Further, the knee supporting member 120c is symmetrically moved with respect to the longitudinal center plane of the bed base portion 1150 (refer to Figs. 2 to 5), and the caretaker or care is provided by keeping the hinge of the knee supporting member 120c away from the edge of the bed. The fingers are not easily inserted from the periphery of the bed into the bottom of the bed body bottom member 110 and are caught by the hinge.

As described above, the bed 1010 of the present embodiment is the same as the bed 10 of the first embodiment, and has a structure in which the left and right positions of the bed main body portion 100 and the wheelchair portion 200 before delivery can be exchanged. Further, the bed 1010 of the present embodiment can be changed for shifting without changing the posture of the caregiver (the position of the head and the foot) even after the start of use, for example, in a place where the space for turning the bed 1010 is not provided. The path of the wheelchair portion 200 for fitting with the bed main body portion 100 is changed in the direction of the movement.

Further, in the above description, the bed base beam 170, the wheelchair stopper 175, and the wheelchair fixing portion 180, which are components which are symmetrically moved to the longitudinal center plane of the bed base portion 1150, are collectively cited as examples. The bed base unit 1150 may not have all of these components. Further, in response to the design, for example, it is also considered that the bed base beam 170 and the wheelchair stopper 175 are initially symmetrical with respect to the longitudinal center plane of the bed base portion 1150. These constituent elements are not included in the moving object. Further, the bed base portion 1150 may further include an element that is symmetrically moved by the components other than the above.

[3. Effect] In the bed 1010 of the present embodiment, the bed main body portion 100 includes the first support member 120a, the second support member 120b, and the third, which are arranged in this order along the longitudinal direction of the bed main body bottom member 110. Support members 120c and 120d, which are supported by the bed base portion 1150 and support the bed body bottom member 110; when the bed body portion 100 and the wheelchair portion 200 are combined in the first combined state and in the second combined state When combined, the second support member 120b and the wheelchair portion 200 move symmetrically with respect to the longitudinal center plane of the bed base portion 1150.

Thereby, similarly to the bed 10 of the first embodiment, the left and right positions of the bed main body portion 100 and the wheelchair portion 200 can be selectively exchanged by the bed 1010 of the same constituent element.

Further, the bed main body portion 100 may further include a wheelchair fixing portion 180, which is supported by the bed base portion 1150, and fixes the wheelchair portion 200 when in the first combined state and in the second combined state; and in the bed main body portion 100 When the wheelchair unit 200 is combined in the first combined state and in the second combined state, the wheelchair fixing portion 180 moves symmetrically with respect to the longitudinal center plane of the bed base portion 1150.

Thereby, the bed 1010 can function as a safety mechanism for preventing accidental separation of the wheelchair portion 200 from the bed main body portion 100 even if the left and right positions of the bed portion and the wheelchair portion are exchanged.

(Others) [1. Handrail] As described above, in the wheelchair unit 200, the armrest 290 includes the armrest top 290a and the armrest cover 290b. When the wheelchair unit 200 is in a state of being separated from the bed main body portion 100, the armrest 290 is lifted up to a predetermined height and used. 8A is a perspective view of the wheelchair portion 200 in a state where the armrest 290 is lifted to a predetermined height, and FIG. 8B is a front view of the wheelchair portion 200 in a state where the armrest 290 is lifted to a predetermined height. When the wheelchair unit 200 is in a state of being combined with the bed main body unit 100, the armrest 290 is moved downward from the position shown in FIG. 8A and FIG. 8B toward the arrow M24D, and is lowered to a predetermined height, for example, to form a bed surface and not to interfere. The heights of the bed body bottom member 110 and the chair bottom member 210 are arranged side by side in the longitudinal direction. Further, arrows M21 to M23 show an example of the direction in which the chair bottom member 210 is bent, similarly to FIGS. 2 and 3.

The armrest top 290a is held by the wheelchair unit 200 or the wheelchair care unit 200 to support the body, and prevents the caretaker sitting in the wheelchair unit 200 from going to the side of the wheelchair unit 200 (the z-axis in the figure) The direction of the fall.

The armrest cover 290b has an outer side surface and an inner side surface extending along the longitudinal direction of the chair bottom member 210. As shown in FIGS. 8A and 8B, when the armrest 290 is in the position at the time of use, the wall of the seat surface (the waist bottom member 210b and the knee bottom member 210c) is sandwiched in the z-axis direction below the armrest top 290a. Thereby, the holder or the like of the caregiver or the part of the body of the care subject, such as the knee or the thigh, is prevented from protruding from the seat surface of the wheelchair unit 200 beyond the armrest top 290a. For example, a foot that protrudes further outward than the outer side of the armrest 290 may cause an injury to the caretaker or the surrounding person in the event of an obstacle hitting the route of the wheelchair portion 200. However, in response to the caregiver, the lower limbs are unable to move freely, and the accident is shifted to the left or right. The armrest cover 290b functions as a safety mechanism that restricts the movement of the feet.

[2. Side line] Further, the outer side surface of the side rod fixing member 190 of the bed main body portion 100 and the outer side surface of the armrest cover 290b may be in the first combined state or the first side of the bed main body portion 100 and the wheelchair portion 200. In the case of the combined state, the line is formed so as to form an integrated line extending in the longitudinal direction of the bed main body portion 100. This line is also shown in the combined state of the bed main body portion 100 and the wheelchair portion 200 shown in Fig. 1, but the integration will be further described using the example shown in Fig. 9.

FIG. 9 is a front view of the bed 10 in which the bed main body portion 100 and the wheelchair portion 200 are combined. The side bar fixing member 190 has an outer side surface extending along the longitudinal direction of the bed main body portion 100. In the figure, the side bar fixing member 190a has a line L1 on the outer side surface, a line L2 on the outer side surface of the armrest cover 290b, and a line L3 on the outer side surface of the side bar fixing member 190b, which is located along the lower side thereof along the x. The state on the imaginary straight line of the two arrows in the axial direction is an example of the above-mentioned "formation of integrated lines". More specifically, the lines L1 to L3 shown in the figure are recesses (grooves) which are provided on the outer side surfaces of the side bar fixture 190 and the armrest cover 290b and which extend along the same straight line.

By this line, for example, the caregiver can visually and simply confirm whether or not the armrest 290 is housed in an appropriate position (height), and whether or not the bed body portion 100 and the wheelchair portion 200 are properly fitted.

In addition, although the lines L1 to L3 are shown as grooves in FIG. 9, the lines L1 to L3 are not limited to this. The lines L1 to L3 may be, for example, convex portions extending along the same straight line, and may be lines of a color that can be easily recognized by the naked eye, and may be a combination of a concave portion or a convex portion and a color. Further, it may not be a line covering the entire longitudinal direction of the bed 10 as shown in FIG. For example, as shown in FIG. 9, the concave portion may be provided only in the vicinity of the right half of L1 and the left end of L2, the left half of L3, and the right end of L2, and the bed main body portion 100 and the wheelchair portion 200 may be appropriately combined. In this case, the recesses are made to follow the same straight line. In addition, the appearance of the wires can also vary from left to right of the bed 10. Thereby, the positional relationship between the wheelchair and the bed main body portion can be easily grasped in a plurality of places such as a home and a care facility, or a ward, an examination room, and a treatment room. In addition, such integrated wires may also be disposed on each of the top surfaces of the armrest top 290a and the side bar fixtures 190. Thereby, the care receiver and the caregiver can easily check whether or not the combination of the bed main body portion 100 and the wheelchair portion 200 is properly performed as viewed from above.

Other embodiments of the present invention can be arbitrarily combined with various modifications of the embodiments of the present invention, and the components and functions of the embodiments can be arbitrarily combined without departing from the scope of the invention. A form that is realized by having one of the parts is also included in the present invention.

For example, the bed 10 may also not have a knee lift function. That is, the function provided by the bending extension of the bed body bottom member 110 and the chair bottom member 210 is only the lifting back.

In this case, the support member 120 may not include the connection mechanism for lifting the knee and the actuator 140b (second bending extension mechanism). In the support member 120, the upper body support member 120a (first support member), the knee support member 120c, and the leg support member 120d (third support member) may be the bed body in the assembled state of the bed main body portion 100. The transverse center plane of the portion 100 is symmetric. For example, the first support member and the third support member are configured to replace the hinge of the knee support member 120c in the third support member with a lever without mobility. In the same manner as in the first embodiment, the center support member 120b (second support member) is a bed that is symmetrically moved to the lateral center plane of the bed base portion 150 in the first combined state and the second combined state. Supported by the base unit 150. On the other hand, the first bending and stretching mechanism of the center supporting member 120b bends and stretches the bed body bottom member 110 for lifting the back by the first supporting member in the first combined state, and is in the second combined state by the second combined state. The third support member bends and extends the bed body bottom member 110 for lifting the back. That is, unlike the first embodiment, the positional relationship between the first support member and the bed base portion 150 of the third support member is not exchanged in this case.

Further, in this case, the bed body bottom member 110 may be composed of two members: for example, a member corresponding to the back bottom member 110a and a member other than the member for lifting the back. In this case, the bed main body bottom member 110 is supported by the support member 120 in the same manner as in the first embodiment, and is oriented symmetrically with respect to the lateral center plane of the bed base portion 150. Further, the bed body bottom member 110 may be composed of three members: members whose both sides in the longitudinal direction correspond to the members of the back bottom member 110a, and members that connect the two members therebetween. In the positional relationship with the bed base portion 150, the bed body bottom member 110 in this case may be oriented symmetrically with respect to the lateral center plane of the bed base portion 150 in the first combined state and the second combined state. Support member 120 supports it, but there is no need for rotation. Alternatively, the bed main body bottom member 110 including five members may be used in the same manner as in the first embodiment.

Further, the bed main body portion 100 or the wheelchair portion 200 includes components other than the above, and these components may be changed in the first combined state and the second combined state of the bed main body portion 100 and the wheelchair portion 200 as necessary. The position on the bed abutment portion 150 or the wheelchair abutment portion 250. For example, a mechanism including an actuator for moving up and down the entire bed 10, a controller for controlling the respective actuators and wiring thereof, a power supply for supplying power to the actuator, and a cable for charging the battery are disposed as appropriate. The position of the movement of the movable component or the position that is easily used by the caregiver or caregiver is not hindered in the combined state.

[3. Effect] As described above, in the bed 10 and the bed 1010 of the above embodiments, the wheelchair unit 200 may include an armrest cover 290b that extends along the longitudinal direction of the chair bottom member 210. Outer side.

Thereby, it is possible to prevent the holder of the caregiver or a part of the body from protruding or slipping from the seat surface of the wheelchair portion 200. Thereby, interference of obstacles on the route of the wheelchair portion 200 can be avoided.

Further, the bed main body portion 100 may further include a side bar fixing member 190 having an outer side surface extending in the longitudinal direction of the bed main body portion, and the bed main body portion 100 and the wheelchair portion 200 may be in the first combined state or the second combined state. At the time, the outer side surface of the side bar fixing member 190 and the outer side surface of the armrest cover 290b form an integrated line extending in the longitudinal direction of the bed main body portion 100.

Thereby, it is possible to visually confirm whether or not the armrest 290 is stored at an appropriate position (height), and whether or not the combination of the bed main body portion 100 and the wheelchair portion 200 is properly performed.

10, 1010‧ ‧ bed
100‧‧‧ bed body
110‧‧‧ bed body bottom member
110a, 210a‧‧‧back bottom member
110b, 210b‧‧‧ waist bottom member
110c, 210c‧‧‧ knee bottom members
110d, 210d‧‧‧ foot bottom members
110e, 210e‧‧‧foot bottom member
120‧‧‧Support components
120a‧‧‧ Upper body support member (1st support member)
120b‧‧‧Central support member (2nd support member)
120c‧‧‧Knee support member (3rd support member)
120d‧‧‧Foot support member (3rd support member)
140a‧‧‧Actuator (1st bending extension mechanism)
140b‧‧‧Actuator (2nd bending extension mechanism)
150, 1150‧‧‧ Bed Abutment
170‧‧‧ bed abutment beam
175‧‧‧ Wheelchair Stops
180‧‧‧ Wheelchair fixation
190, 190a, 190b, 190c, 190d‧‧‧ sidebar fixtures
200‧‧‧ Wheelchair Department
210‧‧‧ Chair bottom member
230, 230a, 230b, 230c, 230d‧‧‧ wheels
250‧‧‧ Wheelchair Abutment
290, 290L, 290R‧‧‧ handrails
290a‧‧‧Handrail top
290b‧‧‧Handrail cover

Fig. 1 is a perspective view showing a state in which a bed of the first embodiment is combined in a use form. Fig. 2 is a perspective view showing a state in which the bed of the first embodiment is separated in a use form. Fig. 3 is a perspective view showing a state in which the bed of the first embodiment is separated in another use form. Fig. 4 is an exploded perspective view showing a bed main body portion in a use form of the bed of the first embodiment. Fig. 5 is an exploded perspective view showing the bed main body portion of the bed of the first embodiment in another use mode. Fig. 6 is a perspective view showing a state in which the bed of the second embodiment is combined in a use form. Fig. 7A is a plan view showing a base portion in a use form of the bed of the second embodiment. Fig. 7B is a plan view showing a base portion of the bed of the second embodiment in another use mode. Fig. 8A is a perspective view of a wheelchair according to the first and second embodiments. Fig. 8B is a front view of the wheelchair according to the first and second embodiments. Fig. 9 is a front view of the bed of the first and second embodiments.

10‧‧‧ bed

100‧‧‧ bed body

110‧‧‧ bed body bottom member

110a, 210a‧‧‧back bottom member

110b, 210b‧‧‧ waist bottom member

110c, 210c‧‧‧ knee bottom members

110d, 210d‧‧‧ foot bottom members

110e, 210e‧‧‧foot bottom member

120a‧‧‧ Upper body support member (1st support member)

120c‧‧‧Knee support member (3rd support member)

120d‧‧‧Foot support member (3rd support member)

150‧‧‧ Bed Abutment

180‧‧‧ Wheelchair fixation

190a, 190b‧‧‧ sidebar fixtures

200‧‧‧ Wheelchair Department

210‧‧‧ Chair bottom member

230a, 230b‧‧‧ wheels

250‧‧‧ Wheelchair Abutment

290L, 290R‧‧‧ armrests

290a‧‧‧Handrail top

290b‧‧‧Handrail cover

Claims (7)

A bed comprising: a bed body portion having a substantially rectangular rectangular plate shape, a bed body bottom member bendable and extendable in a longitudinal direction, and a bed base portion supporting the bottom member of the bed body; and a wheelchair portion a plate-like shape having a substantially long rectangular shape, including a chair bottom member that can be bent and extended in the longitudinal direction; and the bed body portion and the wheelchair portion have a structure that can be selectively combined in a combined state: a first combined state, One side of the bed body bottom member along the longitudinal direction faces the side of the chair bottom member substantially parallel to one side in the longitudinal direction to form a flush bed surface; and the second combined state, the bed body bottom member The other side along the longitudinal direction faces the other side of the chair bottom member in the longitudinal direction to form a flush bed surface. The bed according to claim 1, wherein the bed main body further includes a first support member, a second support member, and a third support member which are arranged in the longitudinal direction of the bottom member of the bed main body. The support members are supported by the bed base portion and support the bed body bottom member; the second support member includes a first bending and stretching mechanism, and the first support member is in the first combined state. In the second combined state, the bed body bottom member is bent and extended along the longitudinal direction of the bed body bottom member by the third support member; the bed body portion and the wheelchair portion are the first When the combined state is combined and when the second combined state is combined, the second supporting member, the bed main bottom member, and the wheelchair portion move symmetrically with respect to the lateral center plane of the bed base portion. The bed according to claim 1, wherein the bed main body further includes a first supporting member, a second supporting member, and a third supporting member which are arranged in the longitudinal direction of the bottom member of the bed main body. The support member is supported by the bed base portion and supports the bed body bottom member; the second support member includes: a first bending and stretching mechanism, wherein the bed body bottom member is along the first support member And bending and extending the longitudinal direction of the bottom member of the bed body; and the second bending and stretching mechanism, the bottom member of the bed body is bent and stretched along the longitudinal direction of the bottom member of the bed body by the third supporting member When the bed main body portion and the wheelchair portion are combined in the first combined state and when the second body is combined, the second support member, the first support member, the third support member, and the wheelchair The portion moves symmetrically about the transverse center plane of the base portion of the bed. The bed according to claim 1, wherein the bed main body further includes a first support member, a second support member, and a third support member which are arranged in the longitudinal direction of the bottom member of the bed main body. The supporting members are supported by the bed base portion and support the bed body bottom member; when the bed body portion is combined with the wheelchair portion in the first combined state and the second combined body is assembled, The second support member and the wheelchair portion move symmetrically with respect to the longitudinal center plane of the bed base portion. The bed of claim 4, wherein the bed main body further includes a wheelchair fixing portion supported by the bed base portion, and is fixed when the first combined state is in the second combined state The wheelchair portion is configured to move symmetrically with respect to the longitudinal center plane of the bed base portion when the bed body portion and the wheelchair portion are combined in the first combined state and in the second combined state. A bed according to any one of claims 1 to 5, wherein the wheelchair portion is provided with a handrail cover having an outer side surface extending along a longitudinal direction of the chair bottom member. The bed of claim 6 wherein the bed body portion further comprises a side bar fixing member having an outer side extending along a longitudinal direction of the bed body portion; wherein the bed body portion is at the wheelchair portion In the first combined state or the second combined state, the outer side surface of the side bar fixing member and the outer side surface of the armrest cover form an integrated line extending along the longitudinal direction of the bed main body portion.