JPH0718720U - Bed device with floor tilt mechanism - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] The central floor can be tilted to a considerable angle, and the side floor can be tilted at a considerably narrow angle with respect to the central floor. [Structure] The bed device includes frames 1 and 2 of the bed,
The frames 1 and 2 have a central floor 3 whose center is rotatably supported, and side floors 4 and 4 rotatably attached to both sides of the central floor 3. The central floor 3 is
A gear mechanism including a worm 10 and a gear 8 that transmits the rotation of the motor 13 causes the central support shaft 9 of the central floor 3 to rotate. Further, the guides 15 for guiding the side floor portions 4, 4 are provided with rollers 14, 14 provided on the side floor portions 4, 4 extending from both sides of the support shaft 9 diagonally below the support shaft 9.
Has an inclined guide surface for guiding.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bed apparatus having a mechanism for inclining a floor so that a victim or the like who cannot turn over by himself / herself can change the posture by the function of the mechanism.

[0002]

[Prior art]

 A victim who cannot turn over by himself must lie on the bed in the same posture for a long time, which causes a great deal of pain such as bed sores. In addition, it is difficult for the caregiver to get up when changing clothes or washing the body, which places a heavy burden on the caregiver. Therefore, a bed having a mechanism capable of tilting the floor has been proposed because the body of the victim is tilted sideways by a mechanical action. For example, these are disclosed in Japanese Utility Model Publication No. 3-45708 and Japanese Utility Model Publication No. 3-45709.

In the former Japanese Utility Model Publication No. 3-45708, a bed in which a floorboard of a bed is divided into a central floorboard and side floorboards rotatably attached to both sides thereof, and the central floorboard is tilted by a link mechanism. The device is shown. In this bed, the side floor plate has an outer end rotatably fixed to the frame of the bed, and a slider is provided so that the width of the side floor plate increases as the central floor plate tilts.

In the latter Japanese Utility Model Publication No. 3-45709, the bed floorboard is divided into a central floorboard and side floorboards rotatably attached to both sides of the bed, and the central floorboard is divided into a screw mechanism and a link mechanism. A bed apparatus for tilting with a combined mechanism is shown. However, in this bed, the middle part of the side floor plate is supported from below by rollers. In any of the bed devices, when the central floorboard is tilted, the side floorboards on the sides are bent by 180 ° or less with respect to the central floorboard to support the injured person from the side so that they do not slide down from the bed floorboard. To do.

[0005]

[Problems that the device is trying to solve]

 In the bed apparatus having such a mechanism, if the starting point of the inclination of the central floor plate is located below the central floor plate, the central floor plate tilts while swinging left and right. As a result, the victim may feel anxiety and discomfort. For this reason, it is desirable that the center floor plate has its center of rotation near the center plate surface.

In addition, in the bed apparatus having such a mechanism, it is preferable that the maximum inclination angle of the central floor plate is as large as possible, and it is preferable that the central floor plate can be tilted almost vertically. Otherwise, it will not be possible to reduce the burden on the caregiver when changing clothes or cleaning the body. Further, the side floorboards need to bend at a narrower angle with respect to the central floorboard as the central floorboard is more inclined. Otherwise, when the central floor plate is greatly tilted, it is not possible to support the injured person on it so that it will not fall down.

However, in the above-mentioned conventional bed apparatus, since the sliding amount of the side floor plate cannot be made very large, and the horizontal and vertical movement amount of the side floor plate is small, the maximum inclination angle of the central floor plate is reduced. There was a limit. In particular, if the center of rotation of the central floorboard is placed near its plate surface, the horizontal positions on both sides of the central floorboard will be closer to the center of rotation when the central floorboard is tilted. Therefore, the inclination of the central floorboard is restricted. In addition, the sliding amount of the side floor plates cannot be set very large, and the horizontal and vertical movement of the side floor plates is small, so there is a limit to making a narrow angle with respect to the central floor plate when it is tilted. was there.

In view of such conventional problems, the present invention can incline the central floor to a considerable angle and can incline the side floor at a considerably narrow angle with respect to the central floor. An object is to provide a bed apparatus with a floor tilt mechanism.

[0009]

[Means for Solving the Problems]

 That is, according to the present invention, in order to achieve the above-mentioned object, frames 1 and 2 of a bed, a central floor portion 3 whose central portion is rotatably supported by the frames 1 and 2, and both sides of the central floor portion 3 are rotatably supported. Side floors 4, 4 rotatably attached to the center floor, a tilting mechanism for rotating the central floor 3 and tilting it, and the side floors 4, 4 with respect to the tilted central floor 3. In a bed apparatus with a floor tilting mechanism having a tilting guide mechanism, the central floor section 3 has a support shaft 9 at the center thereof, which is a center of rotation of the central floor section 3 by the tilting mechanism, and a side floor section 4, The guide 15 for guiding the roller 4 has inclined guide surfaces for guiding the rollers 14, 14 provided on the side floors 4, 4 extending from both sides of the support shaft 9 and obliquely below the support shaft 9. A bed device with a floor tilting mechanism is provided.

In this case, the upper end surfaces 16, 16 of the guides 15, 15 may have a height that supports the side floor portion 4 at the horizontal height when the central floor portion 3 is horizontal. Furthermore, auxiliary side floor portions 6, 6 that can be stopped at an arbitrary angle with respect to the side floor portions 4, 4 may be attached to both outer sides of the side floor portions 4, 4.

[0011]

[Action]

 In the bed apparatus according to the present invention, the center of rotation for tilting the central floor 3 is at the center of the central floor 3, but the guides 15 for guiding the side floors 4 and 4 are provided on the supporting shaft 9 of the supporting shaft 9. Since there is an inclined guide surface that guides the rollers 14 and 14 provided on the side floors 4 and 4 extending diagonally below the support shaft 9 from both sides, the side floors 4 and 4 are not limited to the horizontal direction, Guided and moved up and down. Therefore, even if the central floor 3 is inclined and the connecting portions with the side floors 4 and 4 become considerably low, the connecting portion can be moved downwards accordingly, so that the maximum of the central floor 3 can be reduced. The inclination angle can be made large. Furthermore, since the connecting portion between the central floor portion 3 and the side floor portions 4 and 4 can be guided to a lower position, it is easy to increase the angle of the side floor portions 4 and 4 with respect to the central floor portion 3.

Further, if the upper ends 16 and 16 of the guides 15 and 15 are set to a height for supporting the side floor 4 horizontally when the central floor 3 is horizontal, if the central floor 3 is horizontal. The side floors 4 and 4 are naturally supported horizontally. Furthermore, when auxiliary side floors 6 and 6 that can be stopped at an arbitrary angle with respect to the same side floors 4 and 4 are attached to both outsides of the side floors 4 and 4, the side floors 4 and 4 are substantially The width can be widened to ensure the retention of the injured person when the central floor 3 is tilted.

[0013]

【Example】

 Next, embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 3, in a bed apparatus with a floor inclining mechanism, a floor portion thereof is basically divided into a central portion and side portions, and these are rotatably connected by a hinge. The center floor 3 is rotatably supported by a support shaft 9 whose center is pivotally supported substantially at the center of the front and rear frames 1 and 2. The side floors 4 and 4 are attached via hinges 5 provided on both sides of the central floor 3. Further, the auxiliary side floor 6 is attached to the outer edges of the side floors 4 and 4 via hinges 7, 7, ....

As shown in FIG. 1, the side floor portions 4 and 4 are rotatable from a position that forms an angle of 180 ° with respect to the central floor portion 3 to a side that forms a narrower angle than that. Further, the auxiliary side floor portions 6, 6 are at an angle of 90 ° to 270 ° with respect to the side floor portions 4, 4, that is, from the position orthogonal to the upper side with respect to the central floor portion 3 in FIG. As shown in Fig. 4, the rotation is possible up to the position orthogonal to the lower side, and the position can be stopped arbitrarily.

Rotatable rollers 14, 14 are provided in front and rear intermediate portions of the side floors 4, 4. Further, guides 15 and 15 are provided symmetrically inside the front and rear frames 1 and 2, respectively. The upper end surfaces 16 and 16 of the guides 15 and 15 are located directly beside the support shafts 9 and 9, and the inner guide surfaces thereof are closer to the centers of the frames 1 and 2 as they go downward from the upper ends 16 and 16. It has a slope that is located. Although the guide surfaces of the guides 15, 15 shown in the figure are arc-shaped, they may be linear. As shown in FIG. 1, when the central floor 3 and the side floors 4 and 4 are horizontal, the rollers 14 and 14 provided on the side floors 4 and 4 are placed on the upper end surfaces 16 and 16 of the guides 15 and 15, respectively. Supported.

A support shaft 9 provided at the center of the central floor 3 and supported by the front frame 1 is connected to a rotating mechanism that rotates the support shaft 9. This rotation mechanism may be a combination of a screw mechanism and a link mechanism, or a gear mechanism or the like for transmitting the rotation of the motor 13 to the support shaft 9 for rotation. In the illustrated embodiment, a gear mechanism, particularly a worm gear mechanism is used.

That is, the gear 8 is fitted on the support shaft 8, and the gear 8 meshes with the worm 10. The worm 10 is provided on a horizontal shaft that is supported by bearings 12, 12, and this shaft is rotated by a motor 13. Although the frames 1 and 2 have the legs 11 and 11, all or some of them may be replaced with wheels.

Next, the operation of the bed apparatus with floor tilting mechanism according to this embodiment will be described. 1 to 3 show a state in which the central floor 3 is horizontal. At this time, the rollers 14 of the side floors 4, 4 rest on the upper end surface 16 of the guide 15, whereby the side floors 4, 4 on both sides of the central floor 3 are also supported horizontally. Normally, in this state, as shown in FIG. 3, a mat a and a futon b are laid from the central floor 3 to the side floors 4 and 4, and the injured person is laid on the mat for use. In addition, as shown in FIG. 1, when the auxiliary side floor 6 is lowered and the auxiliary side floor 6 is horizontally raised as shown in FIG. 4, the floor can be widened. If it interferes with nursing care, you can lower the floor width by lowering it as shown in Fig. 1.

Next, from this state, the motor 13 is rotated, and the rotation is transmitted to the support shaft 9 by the worm 10 and the gear 8 to rotate the central floor 3 as shown in FIG. To go. Then, the hinge 5 on one side moves to the lower side near the center of the frame 1, and as a result, the roller 14 on the one side floor 4 comes off the upper end surface 16 of the guide 15 and descends along the guide surface on the inside. I will do it. At this time, since the hinge 5 side always descends first, the side floor 4 bends from the hinge 5 with respect to the central floor 3, and the side floor 4 and the central floor 3 form an angle of 180 ° or less. Will come to

As described above, since the hinge 5 side of the central floor 3 rotates together with the side floor 4, the rotation is not restricted, and the rotation is not limited to a substantial angle, specifically, an angle close to vertical. The central floor 3 can be tilted up to. On the other hand, the side floor 4 has its rollers 14 guided by the guides 15 and increases its angle with respect to the central floor 3. As a result, when the inclination of the central floor 3 becomes large, the body of the victim c who is about to slide down is reliably supported.

Next, when the motor 13 is rotated in the reverse direction from this state to return the central floor portion 3 to the horizontal position, the rollers 14 of the side floor portion 4 rest on the upper end surface 16 of the guide 15 and the side floor portion 4 becomes horizontal. Supported by. During this time, the other side floor portion 4 not shown in FIG. 4 and FIG. 5 keeps an angle of 180 ° with respect to the central floor portion 3 while its roller 14 is separated from the upper end surface 16 of the guide 15. By returning, I will be supported there again. Also, when the central floor 3 is tilted to the side opposite to the above, it is needless to say that the basic operations are not different, only the operations of the left and right side floors 4 and 4 are changed.

[0022]

[Effect of device]

 As described above, according to the present invention, it is possible to incline the central floor to a considerable angle and bend the side floor to a considerably narrow angle with respect to the central floor. For this reason, the burden on the caregiver can be reduced when changing the clothes of the injured person or when cleaning the body, and moreover, when the central floor plate is greatly tilted, the injured person on it can be surely supported so as not to fall down. . This makes it possible to obtain a bed device with a floor tilt mechanism that is easy to use and safe.

[Brief description of drawings]

FIG. 1 is a front view of a bed apparatus with a floor tilting mechanism according to an embodiment of the present invention.

FIG. 2 is a side view of the bed apparatus with floor tilting mechanism according to the embodiment.

FIG. 3 is a plan view of a bed apparatus with a floor tilting mechanism according to the same embodiment.

FIG. 4 is a partial front view of the bed apparatus with floor tilting mechanism according to the embodiment, in which a frame in a state where a central floor is horizontal is omitted.

FIG. 5 is a partial front view of the bed apparatus with floor tilting mechanism according to the embodiment, in which a frame in a state where a central floor is tilted is omitted.

[Explanation of symbols]

 1 bed frame 2 bed frame 3 center floor 4 side floor 6 auxiliary floor 8 gear 9 support shaft 10 worm 13 motor 14 roller 15 guide guide 16 upper end surface of guide

Claims (3)

[Reference number] 0930091-02 [Claims for utility model registration] 1. Frames 1 and 2 of a bed, and a central floor portion 3 whose central portion is rotatably supported by the frames 1 and 2.
The side floors 4, 4 rotatably attached to both sides of the central floor 3, a tilting mechanism for rotating the central floor 3 to incline it, and with respect to the inclined central floor 3. In a bed apparatus with a floor inclining mechanism having a guide mechanism for inclining the side floors 4 and 4, the central floor 3 has a support shaft 9 at the center thereof, which serves as a center of rotation of the central floor 3 by the tilting mechanism.
The guides 15 for guiding the side floors 4, 4 are inclined so as to guide the rollers 14, 14 provided on the side floors 4, 4 from both sides of the support shaft 9 diagonally below the support shaft 9. Bed apparatus with a floor tilting mechanism having a curved guide surface 2. The guides 15 and 1 according to claim 1,
A bed apparatus with a floor tilting mechanism in which the upper end surfaces 16 and 16 of 5 have a height that horizontally supports the side floor portion 4 when the central floor portion 3 is horizontal. 3. The auxiliary floor parts 6, 6 which can be stopped at an arbitrary angle with respect to the side floor parts 4, 4 are attached to both outer sides of the side floor parts 4, 4 according to claim 1 or 2. Bed equipment with floor mechanism.