Folding bed

Abstract

To provide a folding bed that can be easily opened and closed. [Solution] The folding bed 1 is a folding bed 1 made by combining plate-like members, and comprises a pair of bed halves 20, 20 with opposing ends rotatably connected, and legs 30, 30 rotatably connected to the bed halves 20, 20, each of which has a pair of left and right side panels 31, 31 and a pair of left and right first casters 33, 33. An auxiliary leg is rotatably connected to the bed halves 20, 20 on a third axis of rotation parallel to the first axis of rotation, and a second caster 35 is provided on the auxiliary leg so as to be positioned away from the straight line connecting the pair of first casters 33, 33.

Description

[Technical Field]

[0001] This invention relates to a folding bed made up of an assembly of plate-like members. [Background technology]

[0002] BACKGROUND ART Foldable folding beds have been known in the past (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2000-245573 Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, folding beds that allow you to feel the tranquility of nature, such as folding beds using wooden slats, have been devised. It is also possible to create folding beds using board-shaped components with a wood-grain design, even if they do not actually use wood. It is conceivable that folding beds made by combining such board-shaped components would be provided with casters on the legs to make them easier to move and open and close.

[0005] However, in a folding bed made of plate-like members, the pair of casters on the left and right sides may end up aligned in a straight line because the casters are fixed to the plate-like members. In this case, for example, when opening or closing the folding bed, the legs on one half of the bed may tilt, making the opening or closing operation difficult. The user must carefully open or close the bed to avoid tilting the legs, which is troublesome. SUMMARY OF THE INVENTION In view of the above, the present invention aims to provide a folding bed that can be easily opened and closed. [Means for solving the problem]

[0006] To achieve the above objectives, the folding bed of this invention is: A folding bed made by combining plate-like members, a pair of bed halves whose opposing ends are rotatably connected about a first rotation axis; Legs rotatably connected to the bed half bodies on second rotation axes parallel to the first rotation axis; Equipped with The leg portion is A pair of left and right side panels, A pair of first casters on the left and right, Equipped with An auxiliary leg is connected to the bed half body so as to be rotatable about a third rotation axis parallel to the first rotation axis, The auxiliary leg is provided with a second caster positioned away from the straight line connecting the pair of first casters.

[0007] With this configuration, the second caster is positioned away from the straight line connecting the pair of first casters, so the first and second casters can keep the legs stably upright, making it easy to open and close the folding bed.

[0008] In addition, in the folding bed of this invention, The leg portion includes a connecting plate that connects the pair of side plates, The auxiliary leg includes an auxiliary plate provided inward from the inner side of the connecting plate, The side plate and the connecting plate also function as part of the auxiliary leg, The second axis of rotation also functions as the third axis of rotation, The auxiliary plate of the leg provided on one of the bed halves and the auxiliary plate of the leg provided on the other bed halve may be provided on the connecting plate at different positions in the extension direction of the connecting plate.

[0009] With this configuration, the auxiliary plates are located on the inside, so they do not get in the way of other furniture, etc. Also, when the bed is folded, the auxiliary plates are misaligned, so the folding bed can be folded without the auxiliary plates interfering with each other. [Brief explanation of the drawings]

[0010] [Figure 1] 1 is a perspective view showing a folding bed according to an embodiment of the present invention in the middle of opening and closing operation; [Figure 2] FIG. 2 is a front view showing the lower part of the folding bed of the present embodiment in the folded state. [Figure 3] FIG. 2 is a side view showing the folding bed of the present embodiment in a folded state. [Figure 4] FIG. 2 is a side view showing the folding bed of the present embodiment in an open state. DETAILED DESCRIPTION OF THE INVENTION

[0011] [Folding bed configuration] A folding bed 1 according to an embodiment of the present invention will be described with reference to Figures 1 to 4. Referring to Figure 1, the folding bed 1 of this embodiment is constructed by combining wooden plate-like members. The folding bed 1 comprises a pair of rectangular bed halves 20, 20 with opposing ends rotatably connected, and legs 30, 30 rotatably connected to the bed halves 20, 20, respectively. In this embodiment, when the folding bed 1 is in the open state shown in Figure 4, the horizontal direction in Figure 4 is defined as the "longitudinal direction L" of the folding bed 1, and the direction perpendicular to the plane of the paper in Figure 4 is defined as the "width direction W" of the folding bed 1 (see Figure 2).

[0012] The bed half 20 comprises a pair of left and right vertical outer frames 21 extending in the vertical direction L, a pair of horizontal outer frames 22 connecting the ends of the vertical outer frames 21, a plurality of support plates 23 connecting the horizontal outer frames 22, and a plurality of top plates 24 connecting the vertical outer frames 21, placed on the support plates 23, and arranged with a predetermined gap in the vertical direction L.

[0013] The legs 30, 30 include a pair of left and right side plates 31, 31, a connecting plate 32 connecting the pair of side plates 31, 31, and a pair of left and right first casters 33 provided on the connecting plate 32. Auxiliary plates 34, 34 are provided on each connecting plate 32 so as to extend perpendicularly inward from the inside of the connecting plate 32. The auxiliary plate 34 of the leg 30 provided on one bed half 20 and the auxiliary plate 34 of the leg 30 provided on the other bed half 20 are provided on the connecting plate 32 at different positions in the extension direction of the connecting plate 32 (the width direction of the folding bed 1). This makes it possible to prevent the auxiliary plates 34 from interfering with each other when the folding bed 1 is folded.

[0014] A second caster 35 is provided on the auxiliary plate 34 so as to be spaced apart from the straight line connecting the pair of first casters 33. The pair of first casters 33 and second caster 35 are configured to describe a triangle.

[0015] The side plates 31, 31 are arranged to sandwich the bed half 20 in the plate thickness direction. A leg rotation shaft 36 (second rotation axis) extending in the width direction W (plate thickness direction) is provided at the upper end of the side plate. The leg rotation shaft 36 is inserted into an insertion hole (not shown) provided in the bed half 20, thereby connecting the side plate 31 to the bed half 20 so that it can rotate freely. In this embodiment, the leg rotation shaft 36 functions not only as the second rotation axis but also as a third rotation axis. In this embodiment, the leg rotation shaft 36, side plate 31, connecting plate 32, and auxiliary plate 34 form an auxiliary leg.

[0016] The pair of bed halves 20, 20 are rotatably connected by a central rotation part 40. The central rotation part 40 includes a pair of left and right central side plates 41, 41 and a central connecting plate 42 that connects the pair of central side plates 41, 41. Two central rotation shafts 43, 43 (first rotation axes) are provided at the upper end of the central side plate 41, spaced apart in the vertical direction L. The central rotation shafts 43 (first rotation axes) are inserted into insertion holes (not shown) provided at the ends of the pair of bed halves 20 on opposite sides. The pair of bed halves 20 can rotate about the central rotation shafts 43 (first rotation axes), thereby rotatably connecting the pair of bed halves 20, 20 to each other.

[0017] The lower end of the central side plate 41 and the lower end of the side plate 31 are rotatably connected by a link plate 44 that extends parallel to the bed half 20. The central side plate 41, the side plate 31, the bed half 20, and the link plate 44 form a four-joint link mechanism with parallel sides. The distal end of the bed half 20 (the end where the legs 30 are provided) and the central connecting plate 42 are connected by a tension member such as a coil spring 45. The tension force of this tension member such as the coil spring 45 makes it easy to fold the folding bed 1.

[0018] [Action and effect] According to the folding bed 1 of this embodiment, the pair of first caster 33 and second caster 35 are arranged in a triangular shape, so that the legs 30 can be kept stably upright. Because the legs 30 are stably upright in this way, the folding bed 1 can be easily opened and closed.

[0019] Furthermore, because the auxiliary plates 34 are positioned inside the connecting plates 32, the auxiliary plates 34 and second casters 35 do not extend outside the folding bed 1, and the auxiliary plates 34 and second casters 35 do not get in the way of other furniture. Furthermore, because the positions of the auxiliary plates 34 are offset in the width direction W (the extension direction of the connecting plates 32), even when the folding bed 1 is in the folded state, the auxiliary plates 34 do not collide with each other, and the folding bed 1 can be folded without interfering with each other.

[0020] [Other embodiments] In this embodiment, the auxiliary plate 34 is provided so as to extend inward from the inside of the connecting plate 32, but the auxiliary plate of the present invention is not limited to this. For example, even if an auxiliary plate is provided on the connecting plate so as to extend outward from the outside of the connecting plate and a second caster is provided on this auxiliary plate, the functional effect of stably standing the leg of the present invention with a pair of first and second casters arranged in a triangular shape can be obtained.

[0021] Furthermore, the auxiliary plate 34 need only extend in a direction intersecting the connecting plate 32, and does not necessarily have to be perpendicular to the connecting plate 32. For example, the auxiliary plate 34 may be provided so as to extend obliquely relative to the connecting plate 32.

[0022] Furthermore, the second caster need only be positioned away from the straight line connecting the pair of first casters, and the pair of first and second casters do not necessarily have to be arranged to form a triangle. For example, they may be arranged in a trapezoidal or pentagonal shape.

[0023] In addition, although the present embodiment has been described using a case in which each plate-like member is made of wood, the material of each plate-like member constituting the folding bed of the present invention is not limited to wood. For example, each plate-like member constituting the folding bed may be molded from synthetic resin or may be made of metal.

[0024] In this embodiment, the auxiliary leg is described as being composed of the leg rotation shaft 36, the side plate 31, the connecting plate 32, and the auxiliary plate 34. However, the auxiliary leg of the present invention is not limited to having an auxiliary plate attached to the connecting plate, and the auxiliary leg may be composed of a separate member independent of the leg. In this case, the second rotation axis and the third rotation axis will be different. [Explanation of symbols]

[0025] 1 folding bed 20 Half Bed 21 Vertical outer frame 22 Horizontal outer frame 23 Support plate 24 Top plate 30 Legs 31 Side panel 32 Connecting plate 33 First Caster 34 Auxiliary plate 35 Second Caster 36 Leg rotation axis (second rotation axis, third rotation axis) 40 Central rotating part 41 Center side panel 42 Central connecting plate 43 Central rotation axis (first rotation axis) 44 Link Plate 45 Coil spring (tension member)

Claims

1. A folding bed made by combining plate-like members, a pair of bed halves whose opposing ends are rotatably connected about a first rotation axis; leg portions rotatably connected to the bed half bodies on second rotation axes parallel to the first rotation axis; Equipped with The leg portion is A pair of left and right side panels, A pair of first casters on the left and right, Equipped with An auxiliary leg is connected to the bed half body so as to be rotatable about a third rotation axis parallel to the first rotation axis, a second caster is provided on the auxiliary leg so as to be spaced apart from a straight line connecting the pair of first casters; Folding bed.

2. 2. The folding bed according to claim 1, The leg portion includes a connecting plate that connects the pair of side plates, The auxiliary leg includes an auxiliary plate provided inward from the inner side of the connecting plate, The side plate and the connecting plate also function as part of the auxiliary leg, The second axis of rotation also functions as the third axis of rotation, A folding bed in which the auxiliary plate of the leg provided on one of the bed halves and the auxiliary plate of the leg provided on the other bed halve are provided on the connecting plate at different positions in the extension direction of the connecting plate.

Images