JP2003225141A - Bed device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bed device adjustable in bottom height with simple structure. <P>SOLUTION: This bed device is provided with a height adjusting mechanism 4 for adjusting the inclination of leg parts 3 and 3 with a bed frame 2 to adjust the support height of the bed frame 2 stepwise. Each leg part 3 has a pair of arch-shaped leg rods 9 and 9 curved protrusively upward, the upper end sides of which are rotatably mounted on positions closer to the middle part of an auxiliary frame 7 on the lower surface of the bed frame 2 and the other end of which are mounted with leg base members 8 to be grounded on a floor surface. The height adjusting mechanism 4 comprises an adjusting member 11 protrusively provided on the auxiliary frame 7 on the lower surface of the bed frame and having two or more adjusting holes h in line, and a support stay 12 having one end rotatably mounted on about the middle position of the leg part 3 and the other end side engagiably locked to any one of the adjusting holes h of the adjusting member 11. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a simple structure for adjusting the bottom height of a bed apparatus.
It relates to bed equipment.

[0002]

2. Description of the Related Art Recently, medical beds, general beds (at home)
Regardless of the bed, there are many things that have the function of adjusting the posture of the bottom (back raising, knee raising, bottom raising and lowering functions, etc.), and among them, especially regarding the back raising and knee raising mechanism, consider the usability. Therefore, the evolution of various mechanisms is seen, and there is a tendency for multifunctionalization and complication.

[0003]

However, in a bottom lifting mechanism, etc., the support height of the bottom is adjusted according to the user's condition and usage situation.
I think it is not necessary to operate as frequently as the back and knee raising mechanism. Therefore, it is desirable that the mechanism be as simple as possible in terms of cost, as long as it has the necessary functions.
The present invention has been proposed from such a background, and an object thereof is to provide a bed apparatus in which the height of the bottom of the bed apparatus can be adjusted with a simple structure.

[0004]

In order to solve the above-mentioned problems, according to the present invention, the upper ends of a pair of legs are rotatably attached to a portion of the bed frame closer to the middle portion. A bed having a height adjusting mechanism that adjusts the support angle of the bed frame in stages by adjusting the inclination angle of the leg between the bed frame and the substantially middle portion of the leg. A device is disclosed. Further, in the present invention, in claim 2, the height adjusting mechanism comprises an adjusting member provided on the bed frame side and having a plurality of adjusting holes arranged in a row.
Disclosed is a bed apparatus including a support stay in which one end is rotatably attached to a substantially middle portion of the leg portion and the other end side is locked to one of the adjustment holes of the adjustment member. Further, in the present invention, in claim 3, the adjusting member is provided so that a longitudinal direction thereof is along a longitudinal direction of the base frame on the lower surface side of the bed frame, and the plurality of adjusting holes are provided in the adjusting member. Disclosed is a bed device that is aligned in a direction. Further, according to the present invention, in claim 4, the bed device is configured such that the leg portion is curved in an arch shape from the base end side to the upper end side.

According to the first aspect of the present invention, in order to adjust the support height of the bottom, the pair of legs are undulated about the upper end of the legs at a position near the middle of the bed frame, It is possible to adjust the inclination angle of the leg portion between the substantially middle portion of the leg portion and the bed frame, and to adjust the support height of the bed frame stepwise by the height adjusting mechanism.

According to the second aspect of the present invention, the pair of leg portions are displaced up and down with the upper end side of the leg portions as a center at a portion near the middle portion of the bed frame, and one end is pivoted to a substantially middle portion of the leg portions. The support height of the bed frame can be adjusted stepwise by engaging the other end of the freely attached support stay with one of the adjustment holes of the adjustment member on the bed frame side.

According to the third aspect, since the adjusting member is provided along the longitudinal direction on the lower surface side of the bed frame, when the bed frame is packed as a long one at the time of shipping,
There are few protrusions on the top and bottom, making it easy to pack.

According to a fourth aspect of the present invention, the leg portion is rotatably attached to the bed frame at a position near the middle portion of the bed frame, and the bed frame is displaceable at the middle portion via a height adjusting mechanism. By supporting the frame so that it is dispersed from the center of the frame to the end side and is curved in an arch shape from the upper end side to the base end side of the floor surface, the required strength can be secured.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the accompanying drawings, with reference to one embodiment of a bed apparatus. In the bed apparatus 1 shown in FIGS. 1 and 2, the upper ends of the pair of legs 3 and 3 are rotatably attached to a portion of the bed frame 2 near the middle portion thereof. A height adjusting mechanism 4 is provided which adjusts the support height of the bed frame 2 stepwise by adjusting the inclination angles of the legs 3 and 3 between the intermediate portion and the bed frame 2.

The leg portion 3 has a headboard 5 and a footboard 6 at both ends on the longitudinal side, and an auxiliary frame 7 provided side by side on the lower surface of the bed frame 2 to which the headboard 5 and the footboard 6 are attached.
An upper end is rotatably attached to a position near the middle portion of the auxiliary frame 7, while a leg base member 8 is attached to the lower end so as to contact the floor surface. The arched leg rods 9 and 9 and the pair of leg rods 9 are connected to the horizontal rods 10a, 10b, 10 at the upper end side, the intermediate side and the lower end side of the leg rods 9.
It is configured to be connected by c. In this case, the length dimension of the leg rod 9 is approximately 1/2 of the bed frame 2. The horizontal shaft 10a on the upper end side of the leg rod 9 is rotatably attached to the bracket Br provided on the auxiliary frame 7.
In addition, it is attached by an appropriate stop member so as not to fall off. The leg rod 9 may be attached to the bracket Br by an axial stop member such as a stepped bolt.

The height adjusting mechanism 4 has an adjusting member 11 which is provided on the lower surface of the bed frame 2 and protrudes from the auxiliary frame 7 and which is provided with a plurality of adjusting holes h. Rotatably attach one end to the other end,
A supporting stay 12 is provided which is locked in any one of the adjusting holes h of the adjusting member 11 (see FIG. 3).

The adjusting member 11 includes the auxiliary frame 7
The adjustment holes 11 are arranged in a row in the adjustment member 11 in a substantially vertical direction in an appropriate number (for example, 3 to 4).
The support stay 12 includes a horizontal shaft 10b on the intermediate side of the leg rod 9.
One end side is rotatably attached to the other end, and the other end side is detachably connected to any one of the adjusting holes h in the adjusting member 11 with a stepped bolt 13a and a nut 13b.

In the bed apparatus 1 as described above, the pair of leg portions 3 are attached to the bracket Br on the lower surface of the bed frame 2 near the middle portion of the auxiliary frame 7, and the horizontal axis 10a on the upper end side of the leg rod 9 is centered. The other end of the support stay 12 having one end rotatably attached to the horizontal shaft 10b on the intermediate side of the leg rod 9 and the other end of the adjusting member 11 on the auxiliary frame 7 side on the lower surface of the bed frame 2. The support height of the bed frame 2, that is, the bottom B can be adjusted stepwise by connecting to the adjustment hole h with the stepped bolt 13a and the nut 13b (see FIG. 4).

The upper and lower horizontal shafts 10a of the leg rods 9 are rotatably attached to a bracket Br of the lower surface of the bed frame 2 near the middle portion of the auxiliary frame 7, and the horizontal shaft 1 at the intermediate position.
0b and the auxiliary frame 7 side are displaceably coupled via a support stay 12 which is a height adjusting mechanism 4 and an adjusting member 11, so that the bed frame 2 and the bottom B are paired with a pair of legs 3.
The structure is such that it is dispersed and supported at eight points from the middle portion side to both end sides, and moreover, the leg rod 9 is curved in an arch shape from the upper end side to the leg base member 8 in contact with the floor surface. As a result, even if the length dimension of the leg rod 9 is set to be approximately 1/2 of the bed frame 2, it is possible to secure the necessary strength sufficient to withstand the load applied via the bed frame 2 and the auxiliary frame 7. it can.

As described above, the leg rod 9 of the arched leg portion 3 is supported by the height adjusting mechanism 4 including the support stay 12 and the adjusting member 11 to support the bed frame 2 and the bottom B. Therefore, the structure is simple and there is no problem in strength.

The present invention can also be implemented as a bed apparatus 1 as shown in FIG. In this case, those having substantially the same configuration as the above-mentioned bed apparatus 1 and those having the corresponding functions are designated by the same names and the same reference numerals. That is, in the height adjusting mechanism 4 of the bed apparatus 1 of FIG. 5, the adjusting member 11 is provided so that the longitudinal direction is along the longitudinal direction of the base frame 2 on the lower surface side of the bed frame 2 and the plurality of adjusting holes h are provided. The adjustment members 11 are arranged in a line in the longitudinal direction of the adjustment members 11.

According to the bed apparatus 1 as described above, like the bed apparatus 1 described above, the support height of the bed frame 2, that is, the bottom B can be adjusted stepwise, and the adjustment member 11 is further provided. Since the bed frame 2 is provided so as to extend along the longitudinal direction on the lower surface side, when the bed frame 2 is packed as a long one at the time of shipping, there are few protrusions up and down, and there is an effect that it is easy to pack.

[0018]

As described above, according to the present invention, (1) the pair of legs is undulated and displaced about the upper end side of the legs at a position near the middle part of the bed frame by a simple mechanism. By supporting the other end of the support stay, one end of which is rotatably attached to a substantially middle portion of the leg portion, in one of the adjusting holes of the adjusting member on the bed frame side, the supporting height of the bed frame can be increased. Can be adjusted in steps. (2) In the case where the adjusting member is provided along the longitudinal direction on the lower surface side of the bed frame, when the bed frame is packed as a long one at the time of shipping, there are few protrusions up and down, and the packing member is packed. Cheap. (3) The legs are rotatably attached to the bed frame at a position near the middle of the bed frame, and the bed frame is displaceably moved from the center of the bed frame to the end through a height adjusting mechanism at the middle position. The necessary strength can be ensured by being configured by the leg frame body that is dispersed and supported toward the part side and is curved in an arch shape from the upper end side to the base end side of the floor surface.

[0019]

[Brief description of drawings]

FIG. 1 is a perspective explanatory view showing an example of a mechanical configuration of a bed apparatus according to the present invention.

FIG. 2 is an explanatory plan view of the bed apparatus shown in FIG.

FIG. 3 is an exploded perspective view of essential parts showing a height adjusting mechanism in the bed apparatus shown in FIG. 1.

FIG. 4 is an operation explanatory view of the bed apparatus according to the present invention.

FIG. 5 is a side view showing another example of the bed apparatus according to the present invention.

[Explanation of symbols]

1 bed equipment 2 bed frame 3 legs 4 Height adjustment mechanism 5 headboard 6 foot board 7 Auxiliary frame 8 Leg base member 9 legs 10a, 10b, 10c Horizontal axis 11 Adjustment member 12 Support stay 13a Stepped bolt 13b nut B bottom Br bracket S1 and S2 screws

Claims (4)

[Claims] 1. A pair of leg portions are rotatably attached to a portion near a middle portion of a bed frame, and the leg portions are provided between a substantially middle portion of the leg portions and the bed frame. A bed apparatus comprising a height adjusting mechanism for adjusting a support height of the bed frame in stages by adjusting an inclination angle of the bed frame. 2. The height adjusting mechanism is provided with an adjusting member provided on the bed frame side and having a plurality of adjusting holes arranged in a row, and one end thereof is rotatably attached to a substantially middle portion of the leg portion. The bed apparatus according to claim 1, further comprising: a support stay having the other end locked in any one of the adjusting holes of the adjusting member. 3. The adjusting member is provided such that its longitudinal direction is along the longitudinal direction of the base frame on the lower surface side of the bed frame, and the plurality of adjusting holes are directed to the adjusting member in the longitudinal direction of the adjusting member. The bed apparatus according to claim 2, wherein the bed apparatus is arranged in a row. 4. The bed apparatus according to claim 1, wherein the leg portion is curved in an arch shape from the base end side to the upper end side.