JPH0777583B2 - Bed with auxiliary leg mechanism for movement - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed equipped with a movable auxiliary leg mechanism adapted to a bed having fixed legs such as a bed for home use.

[0002]

2. Description of the Related Art In recent years, the proportion of the elderly population has increased, and the importance of home care has increased. Therefore, various beds such as beds suitable for home use, bedside cabinets, wheelchairs, and portable toilets have been commercialized. Many beds for home use are similar in appearance to ordinary furniture beds, and care has been taken to keep them comfortable even when placed indoors. Such home beds are often installed in Japanese-style rooms, and even in western rooms, carpets or carpets are often laid on the floor surface. Beds for home use are often provided with fixed legs because leg parts equipped with such movable casters make it difficult to move the floor surface and may cause flaws.

[0003]

Therefore, when changing the place of installation of the bed for home use, if the bed is moved during cleaning under the bed, a large amount of labor is required due to the fixed leg. The present invention has been made to solve such problems, and an object of the present invention is to provide a bed provided with an auxiliary leg mechanism for movement that can be easily moved to some extent.

[0004]

In order to solve the above-described problems, the present invention provides a bed in which a column near the headboard and footboard sides is provided with a column shaft vertically oriented with respect to the floor. , A disc-shaped leg base having a convex bottom surface is rotatably attached to the tip of the column shaft through a center support shaft of the disc-shaped leg base, and the center support shaft of the disc-shaped leg base is vertically attached to the floor surface. It is characterized in that the line is deflected by a predetermined angle.

[0005]

[Function] When the bed is pushed in or pulled, tangential stress is generated at the ground contact point on the bottom surface of the disc-shaped leg base, and a rotational force about the center support shaft of the disc-shaped leg base is given to the disc-shaped leg base. The leg base rotates about a central support axis, which allows the bed to move.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a bed provided with an auxiliary leg mechanism for movement according to the present invention will be described below with reference to the accompanying drawings with reference to an embodiment. FIG. 1 shows a bed 1 equipped with a moving auxiliary leg mechanism according to the present invention. This bed 1
This is for home use, and the headboard 2 and the footboard 3 also serve as legs, and the headboard 2 and the footboard 3 are connected by a side frame 4. Inside the side frame 4, a pipe frame 5 is provided in the bed width direction between the side frames 4 in the vicinity of the headboard 2 and the footboard 3, and a support pipe 6 that is oriented vertically to the floor surface is provided. A disc-shaped leg base 7 having a convex (spherical) bottom surface is attached to the tip of the support pipe 6 in a state of being inclined at a predetermined angle with respect to the vertical line (see FIG. 2).

Here, the disc-shaped leg base portion 7 will be described in more detail. That is, as shown in FIG. 3, the disc-shaped leg base portion 7 has a vertical center support shaft 8 in the center portion, and a bottom surface 9 is a spherical surface having a large radius of curvature and is made of a soft material having appropriate elasticity. It is made of a flexible material (synthetic resin or the like) and has a disc metal fitting 10 on its upper surface. The disc-shaped leg base 7 is arranged such that the tip end of the central support shaft 8 is attached to the support pipe 6 through the attachment portion 11 with respect to a vertical line with respect to the floor surface in the bed floor width direction (X direction) by 10.5 degrees. 5 in the longitudinal direction of the floor (Y direction)
It is mounted so as to be deflected once and to be rotatable (see FIGS. 4 and 5). Further, a means for locking the rotation of the disc-shaped leg base portion 7, that is, the lock pin 12, is provided on the mounting portion 11.
Is inserted, and the tip is locked in the lock hole 13 provided in the disk fitting 10 to lock (see FIG. 3).

In the bed 1 having the moving auxiliary leg mechanism having the above-described structure, when the bed 1 is installed at a predetermined place, the disc 1 is fixed so as not to be displaced from the predetermined place. In the leg base 7, the lock pin 12 is inserted from the mounting portion 11 at the tip of the support pipe 6 to lock the tip in the lock hole 13 in the disc metal fitting 10 of the disc leg base 7 to lock the disc leg base 7. Try to keep it. The bottom surface 9 of the disk-shaped leg base 7 is in contact with the floor surface via the ground contact point P, and the bottom surface 9 is an elastic member such as synthetic resin and has a spherical shape with a large radius of curvature. Can be suppressed from being damaged by a local load.

By the way, the disc-shaped leg base 7 is deflected by 10.5 degrees in the bed floor width direction (X direction) and 5 degrees in the bed floor longitudinal direction (Y direction) via the mounting portion 11 to the support pipe 6. Since it is mounted in such a manner, the ground contact point P with the floor surface is a position separated from the central support shaft 9 which is the central portion. Therefore, when pushing or pulling in the longitudinal direction of the bed 1 or the width direction of the bed 1, tangential stress is generated at the ground contact point P of the bottom surface 9 of the disc-shaped leg base 7 and the disc-shaped leg base 7 is generated. The center support shaft 9 can be rotated about the center axis, and as a result, the bed 1 can be moved (see FIG. 6).

As described above, by pushing or pulling the bed 1 in the longitudinal direction of the bed 1 or the width direction of the bed 1, the disc-shaped leg base portion 7 can be rotated to move the bed 1. It is possible to easily change the arrangement and clean the bottom of the bed 1.

[0011]

As described above, according to the present invention, even on a soft floor surface such as a Japanese-style room, it is possible to suppress the floor surface from being damaged by a local load, and the bottom surface of the disk-shaped leg base portion can be prevented. Since the grounding point is separated from the center of rotation, by pushing or pulling the bed in the longitudinal direction of the bed or in the width direction of the other floor, the center support shaft of the disc-shaped leg base is attached to the disc-shaped leg base. The disc-shaped leg base can be rotated by applying a rotational force about the center, and as a result, the bed can be easily moved, and the bed can be repositioned and the under-bed cleaning can be easily performed.

[0012]

[Brief description of drawings]

FIG. 1 is an external perspective view showing an embodiment of a bed equipped with a moving auxiliary leg mechanism according to the present invention.

2 is an enlarged perspective explanatory view of a moving auxiliary leg mechanism in the bed shown in FIG. 1. FIG.

FIG. 3 is an enlarged cross-sectional explanatory view of the moving auxiliary leg mechanism shown in FIG.

4 is a front explanatory view showing a mounted state of a disc-shaped leg base portion of the moving auxiliary leg mechanism shown in FIG. 1. FIG.

FIG. 5 is a side view illustrating a mounted state of a disc-shaped leg base portion of the moving auxiliary leg mechanism shown in FIG.

FIG. 6 is an explanatory plan view showing the operation of the moving auxiliary leg mechanism according to the present invention.

[Explanation of symbols]

 1 Bed 2 Headboard 3 Footboard 4 Side Frame 5 Pipe Frame 6 Strut Pipe 7 Disc-shaped Leg Base 8 Center Support Shaft 9 Bottom 10 Disc Metal Fitting 11 Mounting Part 12 Lock Pin 13 Lock Hole

Claims (1)

[Claims] 1. In a bed, a columnar shaft oriented vertically to the floor is provided in a frame near the headboard and footboard sides, and a disc-shaped leg base having a convex bottom surface is provided at the tip of the columnar shaft. A movement characterized in that the center support shaft of the disc-shaped leg base is rotatably mounted via the center support shaft, and the center-support shaft of the disc-shaped leg base is deflected by a predetermined angle with respect to a vertical line with respect to the floor surface. A bed with an auxiliary leg mechanism.