JP2000342386A - Folding bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a folding bed to be handled easily and stored compactly. SOLUTION: This folding bed consists of a floor frame 1 forming a sleeping bed whose flat surface shape is square and both side leg frames 2 for keeping the floor frame 1 nearly horizontally at a prescribed height at both ends on the shorter sides of the floor frame 1. The floor frame 1 is pivotally supported so that it can rotate relative to the both side leg frames 2 from a nearly horizontal position to a nearly vertical position. Each side leg frame 2 consists of a pivotally supporting part 19 for pivotally supporting the floor frame 1 and a rotating part 20 rotatable within a horizontal plane relative to the pivotally supporting part 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding bed used in hospitals and homes.

[0002]

2. Description of the Related Art In many cases, beds for beds and beds constituted by frames such as pipes can be disassembled and assembled. This type of bed basically includes a floor frame for lying down, and a leg frame for holding the floor frame at an appropriate height substantially horizontally, and a mat is laid on the floor frame. What can be folded,
The leg frame is pivotally attached to the floor frame so that the leg frame can be folded into a substantially flat shape by rotating the leg frame along the back surface of the floor frame and following the leg frame. Some floor frames can be folded in two at the center, and when not in use, can be folded and stored vertically in a storeroom, room corner, corridor, or the like.

[0003]

The conventional foldable bed can be folded into a substantially flat plate shape, but has a poor self-sustainability during storage, so that it has to stand on a wall or the like, which makes bulk handling difficult. was there. In addition, movement and transportation in a folded state were difficult because they were quite heavy.

[0004] The present invention has been made to solve the conventional problems, and an object of the present invention is to obtain a folding bed which is easy to handle and has good storage properties, and which can be easily moved and transported. It is to get.

[0005]

According to a first aspect of the present invention, there is provided a floor frame forming a bed having a square planar shape, and a floor frame formed at both ends on the short side of the floor frame. The floor frame is pivotally supported so that it can rotate with respect to the leg frames on both sides from a substantially horizontal state to a substantially vertical state. The frame employs a means configured by a pivot portion that pivotally supports the floor frame and a pivot portion that can pivot in a horizontal plane with respect to the pivot portion.

By adopting the above means, the floor frame, which is maintained substantially horizontal, is rotated to a state substantially perpendicular to the leg frame, and the rotating portion of the leg frame is rotated in a horizontal plane. And can be folded into a self-supporting folded form.

According to a second aspect of the present invention, there is provided a folding bed according to the first aspect, wherein a rotating portion of the leg frame is provided on both sides of the pivot portion.

[0008] By adopting the above means, the first aspect of the present invention is provided.
And the depth dimension in the folded form can be further reduced.

According to a third aspect of the present invention, there is provided a folding bed according to the first or second aspect, wherein the releasable holding means holds the floor frame in a substantially vertical state. In addition, a means having releasable holding means for rotating the rotating portion of the leg frame in a horizontal plane and holding it in a folded state is employed.

[0010] By adopting the above means, a first aspect of the present invention is provided.
Or, together with the function according to claim 2, the stability of the folded form is improved.

According to a fourth aspect of the present invention, there is provided a folding bed according to any one of the first to third aspects, wherein a caster is provided at a lower end of the leg frame.

[0012] By adopting the above means, a first aspect of the present invention is provided.
In addition to the operation according to any one of the first to third aspects, movement and transportation in a folded form can be easily performed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 The present embodiment shown in FIGS. 1 to 10 includes a floor frame 1 constituting a lying portion for lying down, and left and right leg frames 2 for maintaining the floor frame 1 at an appropriate height substantially horizontally. The present invention relates to a folding bed for sickbeds and sleeping. The floor frame 1 is configured as a frame body in which a reinforcing member is provided in a mounted state in a frame of an outer frame 3 having a rectangular planar shape formed of a pipe material, and a mat 4 is laid on the upper surface thereof to serve as a bed. Can be The mat 4 is detachably held by a stop belt 5 attached to the floor frame 1.

The left and right leg frames 2 for holding the floor frame 1 substantially horizontally at both ends on the short sides thereof are formed of a gate-shaped pipe material having a width substantially equal to the width of the floor frame 1. The leg frame 2 is provided with three legs 6 at both ends and at the center,
A caster 7 having a lock mechanism is attached to lower ends of the three legs 6. Between the three legs 6, a beam 8 of a square pipe is suspended at an appropriate height. The beam 8 between the rear leg 6 and the central leg 6 and the beam 8 between the central leg 6 and the front leg 6 are shown in FIGS. As shown, it is hinged by a hinge part 25 so that it can rotate inward.

As shown in FIG. 6B, the ends of the beams 8 on the hinge 25 are formed as overlapping pieces 26A and 26B which can be overlapped with each other. The pieces 26A, 26B are overlapped, and
The hinge shaft 28 having the empty portion 28A is inserted into the hinge holes 27, 27 of B. That is, the central leg 6 is inserted into the lower portion of the hollow portion 28A of the hinge shaft 28, and the hinge shaft 2
The support frame 30 at the center of the leg frame 2 is inserted into the upper part of the empty portion 28A of the eighth frame 8. This connection structure is shown in FIG.
As shown in FIG. 7, the front side of the legs can be turned by 90 degrees from the linear state of the beams 8, 8 toward the arc portions of the overlapping pieces 26A, 26B. In addition, the hinge part 35 at the upper end of the leg frame 2 and the center support frame 30 is pivotally connected at a free angle. For this reason, the front part of the leg frame 2 can be folded 90 degrees (FIG. 7) from the straight state (FIG. 6A). The other leg frame 2 has the same structure.

The floor frame 1 is pivotally mounted on these leg frames 2 on their short sides by means of a support shaft 9 so as to be rotatable in a vertical plane, and usually comprises three holding means 10, 11,, as shown in FIG. 12 keeps it substantially horizontal.

As shown in FIGS. 1 to 3 and the like, the support position of the support shaft 9 is such that the beam 8 closer to the rear leg 6 than the central leg 6 is.
The dimension from the support shaft 9 to the rear edge of the floor frame 1 is set slightly smaller than the dimension from the beam 8 to the lower end of the caster 7 of the leg 6. One of the holding means 1
Reference numeral 0 denotes a U-shaped receiving member as shown in FIGS. 8 and 9 which can rotate in a horizontal plane toward the rear of the beam 8 between the rear leg 6 and the center leg 6, and is usually shown in FIG. Like beam 8
The floor frame 1 receives the rear surface of the rear edge of the short side by the receiving piece 13 protruding inward.
The other one of the holding means 11 is configured as a fixed receiving piece 14 for receiving the left and right of the front portion of the outer frame 3 of the floor frame 1 as shown in FIG. Still another one of the holding means 12 is:
A lever 15 rotatably mounted as shown in FIGS. 2 and 3, and two connecting rods 1 linearly moving in opposite directions on the back of the floor frame 1 by the rotation of the lever 15.
6.

The lever 15 is normally urged by a spring 17 so that the two connecting rods 16 move to the short side of the floor frame 1. A stopper piece 18 is attached to the end of each connecting rod 16 and normally projects from each short side of the floor frame 1 and abuts against the lower surface of the front beam 8 of the leg frame 2 (see FIG. 1). ). Each leg frame 2 to which the floor frame 1 is attached has a pivot portion 19 pivotally supporting the floor frame 1 and a pivot portion 20 which can pivot inward in a substantially horizontal plane with respect to the pivot portion 19. Functionally divided into The rotation of the rotation part 20 of each leg frame 2 is regulated by contacting the end surface of the floor frame 1 which is maintained in a substantially horizontal state. As shown in FIG. 2, each leg frame 2
A leg holding means 21 made of a spring material as shown in FIG. 10 for holding the turning portion 20 so that the front leg 6 can be disengaged is provided to hold the turned turning portion 20. (See FIG. 5).

The folding bed having the above structure can be folded by a simple operation to a depth dimension that is approximately half of the depth dimension in a state where it can be laid down. That is, first, the holding means 1
9 is rotated to move the receiving piece 13 away from the edge of the floor frame 1 as shown in FIG.
1) is rotated against the bias of the spring 17, and the stopper piece 18 abutting on the beam 8 is moved away from the beam 8. By this operation, the floor frame 1 can be rotated with respect to the leg frame 2 about a support shaft 9 in a substantially vertical plane. As shown in FIG. 3, the floor frame 1 is rotated to a position where the floor frame 1 comes into contact with a stopper 22 protruding from the beam 8 of the leg frame 2, and the lever 15 of the holding means 12 is operated to retract the stopper piece 18 once. 1
The lever 15 is released at a position where the position 8 exceeds the center leg 6, and the stopper piece 18 is locked to the center leg 6 (see FIG. 2).
As a result, as shown in FIG. 2, the floor frame 1 is held by the stopper 22 and the stopper piece 18 of the holding means 12 from a substantially horizontal state in which it can lie down to a substantially vertical state.

Next, as shown in FIG. 5, the turning portions 20 of the leg frames 2 are turned inward in the horizontal plane with respect to the pivot portions 19, respectively, so that the leg holding means provided on the back surface of the floor frame 1. The front leg 6 is engaged with 21 and folded so as to overlap the rear surface of the floor frame 1. As a result, as shown in FIGS. 4 and 5, the folding bed is folded to a depth dimension that is approximately half the depth dimension in the reclining state, and is stored in a corner, a corridor, a storeroom, or the like of a room without being bulky. I can put it. The foldable bed is supported by the three legs 6 of the leg frame 2 and is self-supporting and does not fall down carelessly. Each leg 6 even when folded
Since the casters 7 function effectively, the casters 7 can be easily moved or transported using the casters 7. The stability of the folded configuration is high because it is maintained by the leg holding means 21, and handling in the folded state is easy. Note that the legs 6 may be configured with two front and rear legs or four legs.

Embodiment 2 FIG. The present embodiment shown in FIGS. 11 and 12 is a device in which the folding dimensions of the folding bed shown in the first embodiment are further reduced, and the configuration of the first embodiment is the same as that of the first embodiment except for the configuration related thereto. Basically the same. Therefore, the same portions as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and the description thereof will be omitted.

As shown in FIG. 11, in the folding bed according to the present embodiment, a floor frame 1 is provided, and pivot portions 20 are provided before and after a central pivot portion 19 for pivotally supporting the floor frame 1, respectively. It is configured. Rear rotating part 2
No. 0 can be folded on the reclining surface side of the floor frame 1 by the same operation as the front rotating portion 20 as shown in FIG. With this configuration, as shown in FIG. 12, the folding size can be reduced to about 1/3 of the depth dimension in the state in which the patient can lie down, and the storage space can be reduced without bulk. As shown in FIG. 12, a belt 23 may be attached to the rear rotating portion 20 at the rear portion of the leg frame 2 in a folded state, and the front rotating portion 20 may be bound by the belt 23. Other configurations and functions are the same as those of the first embodiment.

[0023]

According to the first aspect of the present invention, a folding bed which is easy to handle and has good storage properties can be obtained.

According to the second aspect of the present invention, together with the effect according to the first aspect, the depth dimension in the folded form becomes smaller.

According to the third aspect of the present invention, the stability of the folded form can be improved together with the effect according to the first or second aspect.

According to the fourth aspect of the present invention, in addition to the effects according to any one of the first to third aspects, movement and transportation in a folded form can be easily performed, and handling becomes easier.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a folding bed according to a first embodiment.

FIG. 2 is a perspective view showing the folding bed according to the first embodiment in a state of being folded;

FIG. 3 is a partially enlarged perspective view showing a back surface of the folding bed according to the first embodiment in the middle of folding;

FIG. 4 is a perspective view showing the folding bed according to the first embodiment in a folded state.

FIG. 5 is a perspective view showing the folding bed according to the first embodiment in a folded state.

FIGS. 6A and 6B are perspective views showing a connection portion of beams of the folding bed according to the first embodiment, wherein FIG. 6A is a connection state diagram, and FIG.

FIG. 7 is a perspective view showing a connection portion of the beams of the folding bed according to the first embodiment in a rotated state.

FIG. 8 is a perspective view showing the holding means of the folding bed according to the first embodiment in a holding state.

FIG. 9 is a perspective view showing holding means of the folding bed according to the first embodiment in a holding released state.

FIG. 10 is a perspective view showing leg holding means of the folding bed according to the first embodiment.

FIG. 11 is a perspective view showing a configuration of a main part of a folding bed according to a second embodiment.

FIG. 12 is a perspective view of a main part showing the folding bed according to the second embodiment in a folded state.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 floor frame 2 leg frame 6 leg 7 caster 9 support shaft 10 holding means 11 holding means 12 holding means 19 pivoting part 20 rotating part

Claims (4)

[Claims] 1. A floor frame which forms a bed having a rectangular planar shape, and leg frames on both sides for maintaining the floor frame at a predetermined height substantially horizontally at both ends on the short side of the floor frame. The floor frame is pivotally supported so that it can rotate with respect to the leg frames on both sides from a substantially horizontal state to a substantially vertical state, and the leg frames on both sides are
A folding bed comprising a pivot portion for pivotally supporting the floor frame and a pivot portion which can pivot in a horizontal plane with respect to the pivot portion. 2. The folding bed according to claim 1, wherein the rotating portions of the leg frames are provided on both sides of the pivot portion. 3. The folding bed according to claim 1, wherein the releasable holding means for holding the floor frame in a substantially vertical state, and a rotating portion of the leg frame in a horizontal plane. A folding bed having releasable holding means for rotating and holding in a folded state. 4. The folding bed according to claim 1, wherein a caster is provided at a lower end of the leg frame.