JP3027499U - Folding bed - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To reduce the cost and facilitate folding. SOLUTION: The base ends of two substantially U-shaped frame bodies 2 and 3 are pivotally attached to the front and rear ends of an upper portion of a support leg 4 so that the two frame bodies 2 and 3 can be mountain-folded. In the folding bed 1, the urging springs 7 and 8 for urging in the folding direction are stretched between the frame bodies 2 and 3 and the support legs 4 and the free movement of the frame bodies 2 and 3 is performed. A configuration in which wheels 14 that facilitate the folding and casters 15 that support the bed 1 in the folded state are attached to the lower ends of the leg frames 5 and 6 that are attached to the ends and that are U-shaped.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 This invention belongs to the technical field of a simple folding bed that can be folded when not needed to reduce the occupied floor area.

[0002]

[Prior art]

 A support frame having casters at the lower end is provided on the folding bed as described above, and substantially U-shaped frame members are pivotally attached to the front and rear ends of the upper part of the support frame. There is one that folds in a valley fold direction in which the upper surfaces of the are close to each other.

However, in this bed, in order to facilitate folding, the support frame and the legs pivotally attached to each frame must be connected by a link mechanism, which inevitably increases the cost. .

Therefore, there is a bed such as the registered utility model No. 300385. The basic structure of this bed is such that the rear bed half is pivotally attached to the support underframe, the intermediate support leg is pivotally attached to the rear bed half, and the front bed half is sequentially attached to the intermediate support leg. The support frame is casters, and the front bed half is supported by wheels, so that the front bed half is moved to the support frame side and folded in the mountain-folding direction. In other words, pull it out from one side and fold it so that it can be stored in one side.

However, in this bed, the casters of the supporting frame have to support the load at all times, whether it is in use or not, and they are sturdy enough to withstand a predetermined load, and are expensive as casters. Things were needed. Therefore, there was a limit to cheap manufacturing.

[0006]

[PROBLEMS TO BE SOLVED AND MEANS FOR SOLVING THE PROBLEMS] Therefore, an object of the present invention is to provide a folding bed which can be manufactured at low cost and can be easily folded.

A means for that purpose is a foldable structure in which the base ends of two substantially U-shaped frames are pivotally attached to the front and rear ends of the upper part of the support leg, and the two frames are mountain-foldable. In the bed, a spring mounting member is horizontally mounted on the free end side of the frame body, and a biasing spring is stretched between the spring mounting member and a supporting leg to bias the spring mounting member in the folding direction. At the same time, at the free end of each frame body, an open leg-shaped leg frame that engages without contacting each other when folded is attached, and the lower ends of these leg frames rotate only in the folding direction at the time of folding, The folding bed is equipped with wheels for facilitating folding, and casters are attached to the outer surface of the lower end of the leg frame so that the casters can move in any direction on the plane when folded.

The wheel is attached to the lower end of the leg frame by setting the lower end of the wheel of at least one of the two leg frames to be flush with the lower end of the leg frame. It is advisable to set the lower end of the wheel of at least one leg frame below the lower end position of the leg frame.

Further, the wheel of one of the two leg frames is set such that the lower end of the wheel is flush with the lower end of the leg frame, and the wheel of the other leg frame is The lower end of the wheel may be set lower than the lower end position of the leg frame.

Further, in order to improve usability, a frame-shaped member having a substantially U-shape protruding at the base end side portion and the free end side portion of the left and right side surfaces of the frame body at the time of attachment so as to protrude above the frame body. It is also possible to select and enable mounting.

[0011]

[Action and effect]

 That is, according to the above configuration, the folding work is performed in the mountain folding direction, the biasing spring is biased in the folding direction, and the wheel for facilitating the folding is attached. It's easy without needing it. In addition, since no link mechanism is required as in the conventional case, the manufacturing cost can be reduced accordingly.

[0012] In addition, since the leg frame or the wheel is installed when the load is used, and the caster is installed when the load is not applied, the roles can be shared, and the wheels and the casters are inexpensive. Even so, it is possible to obtain a bed that can be smoothly used for a long period of time. In other words, since the axle of the wheel supports the load, even a simple structure (inexpensive one) can obtain sufficient strength. In addition, since the casters are not subjected to a heavy load such as during use, even if the casters are inexpensive and cannot withstand a heavy load, the casters can sufficiently achieve the purpose of smoothly moving the folded bed. You can

Further, unlike the conventional mountain fold type bed, since it is not a folding method that pulls out or approaches based on one side, it is possible to shorten the moving distance at the time of folding, and to stand on the spot. It can be a simple task.

According to the structure of claim 5, by mounting the frame-shaped member at an appropriate desired position, the frame-shaped member can be used as a futon slip-off prevention frame and also as an auxiliary frame during folding work. That is, for example, if it is attached only to the side not in contact with the wall during use, it can be a futon slip-off prevention frame, and if it is attached so as to face the base end side portion of one of the two frames. , It can be used as a frame for preventing the futon from slipping off and as a frame for pulling it up when folding.

Further, since the frame member can be attached to the base end side portion and the free end side portion, it is possible to freely correspond to the arrangement of furniture in the bed installation space and user's preference. You can

[0016]

【Example】

 An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 2 is a perspective view of the folding bed 1 (hereinafter, referred to as a bed). In this bed 1, the base ends of two substantially U-shaped frames 2 and 3 are pivoted to the upper and lower ends of the support leg 4 at the front and rear ends. It is a structure that can be worn and folded in a mountain.

Explaining with reference to the structural explanatory view of FIG. 1, two U-shaped leg frames 5 and 6 are attached to the free ends of two frame members 2 and 3 of the same shape pivotally attached to the support leg 4, Together with the support legs 4, it is designed to support the load in use. Further, the widths of both ends of the leg frames 5 and 6 are slightly changed to widen the support leg 5 attached to one frame body 2 (left frame body in the drawing) and the other frame body 3 (right side frame in the drawing). The leg frame 6 attached to the frame body is formed to have a narrow width so that the leg frames 6 mesh with each other in the folded state shown in FIG. In addition, both ends of each leg frame 5 and 6 may be set to have the same width so that the leg frames 5 and 6 are engaged with each other alternately.

Further, urging springs 7 and 8 for urging in the folding direction are stretched from the support legs 4 to the respective frame bodies 2 and 3. That is, on the free end side of each of the frame bodies 2 and 3, the spring mounting member 9 is horizontally mounted as shown in FIG. The spring mounting member 9 is bent at its intermediate portion so that the biasing springs 7 and 8 can be positioned, and both ends are bent and held by a bracket 10 fixed to the inner side surfaces of the frames 2 and 3. I am able to do it. The bracket 10 is formed in a U shape in a plan view, a holding groove 10b is formed in a piece facing the fixed piece 10a, and a holding hole 10c is formed in a piece connecting the piece and the fixed piece 10a. .

As shown in FIG. 4, the spring mounting member 10 may be composed of two spring mounting member carriers 10a. This spring mounting member carrier 10a has one end folded back by approximately 180 degrees and the other end bent at an appropriate angle so that the spring mounting member carrier 10a is directly inserted and held in the insertion holes 11 formed in the frame bodies 2 and 3 without a bracket. There is. The biasing springs 7 and 8 may be attached so as to bundle the folded-back portions of both spring attachment member carriers 10a.

The mats 12 and 13 are mounted on the upper surfaces of the respective frame bodies 2 and 3, and the mat 12 mounted on the frame body 2 on the upper body side has a built-in reclining mechanism.

Wheels 14 that rotate only in the folding direction and casters 15 that rotate independently are attached to the lower ends of the leg frames 5 and 6 described above.

The leg frames 5 and 6 have different lengths, and the leg frame 5 (6) attached to the one frame body 2 (3) is more than the leg frame 6 (attached to the other frame body 3 (2). 5) is set shorter. This is because the mounting method of the wheels 14 is different. In this embodiment, the method of attaching the wheels 14 to the leg frame 5 attached to the frame 2 on the upper body side is the first type, and the method of attaching the wheels 14 to the leg frame 6 attached to the frame 3 on the lower body side is the first type. We will call them two types.

As shown in FIG. 5, the first type is set so that the lower end of the wheel 14 is flush with the lower end of the leg frame 5, and the wheel 14 is attached to the outer surface of the leg frame 5. The metal fitting 14a is fixed. The caster 15 is fixed above the wheel 14, but at this time, the distance from the leg frame 5 to the lower end of the caster 15 is longer than the distance from the leg frame 5 to the lower end of the wheel 14. The wheel 14 does not touch the ground when folded.

The second type is set so that the lower end of the wheel 14 is located below the lower end position of the leg frame 6, as shown in FIG. That is, the upper surface of the fitting 14a of the wheel 14 is fixed to the lower end of the leg frame 6. The mounting bracket 14a shifts the axle 14b toward the outside of the leg frame 6 so that the illustrated rotation can be smoothly performed. Also in this case, as in the case of the first type, the distance from the leg frame 6 of the caster 15 mounted above is set to be longer than the distance from the leg frame 6 to the lower end of the wheel 14, and when the folding is performed, The wheels 14 are not grounded. The distance from the leg frame 6 to the lower end of the caster 15 is set equally for the first type and the second type.

That is, when the frame bodies 2 and 3 are folded from the unfolded state of use, the leg frames 5 and 6 of the wheel 14 are pulled up by pulling the base end side of each frame body 2 and 3 upward. It is pulled to the side of the support leg 4 by rotation, and the urging force of the urging springs 7 and 8 also helps to fold it smoothly. At this time, the wheels 14 of the leg frames 5 and 6 are changed from the grounded state to the caster 15 grounded state, and only the caster 15 is grounded in the folded state.

On the contrary, when the folded state is changed to the use state, the lower sides of the respective frame bodies 2 and 3 are separated from each other so as to be widened against the urging force of the urging springs 7 and 8, and the leg frames 5 and 6 are separated. Ground the lower end of the. At this time, contrary to the previous case, the grounding point moves from the caster 15 to the wheel 14. The same type of mounting method may be adopted for both leg frames 5 and 6.

Further, as shown in FIG. 2, on the left and right side surfaces of each of the frames 2 and 3 described above, at the base end side portion and the free end side portion, above the frame bodies 2 and 3 at the time of mounting. The U-shaped frame-shaped member 16 projecting to the side is selected for attachment. The U-shaped frame-shaped member 16 having both ends set to have appropriate widths has mounting holes formed at both ends thereof, and a pair of screw holes 17 having a width corresponding to these mounting holes are provided in the frame body 2. , 3 are formed at the base end side portion and the free end side portion of the left and right side surfaces, respectively, so that they can be freely attached and detached by screwing bolts 18.

For example, as shown in the drawing, if it is attached only to one side, the base end side portion, it mainly has an action of preventing the futon from slipping off, and the base end side portion of either one of the frame bodies 2 (3). If it is attached only to the frame, it can be used as an auxiliary frame that is mainly used for folding. Alternatively, two sets of four screwing holes 17 may be formed at equal intervals, and the frame-shaped member 16 may be formed in conformity with these intervals so that they can be selectively attached at three positions.

In the bed 1 configured in this way, the wheel 1 is made foldable in the mountain fold direction, and is biased by the urging springs 7 and 8 in the fold direction, and further, the wheel 14 is attached to facilitate folding. Therefore, folding work is easy and does not require much force. Further, since the link mechanism is not required, the manufacturing cost can be reduced.

In addition, since the leg frames 5, 6 or the wheels 14 are installed when the load is used, and the casters 15 are installed when the load is not applied, the wheels 14 and the casters 15 can be shared. Even though each is inexpensive, it is possible to obtain the bed 1 that can be smoothly used for a long period of time. That is, since the axle 14b of the wheel 14 supports the load, sufficient strength can be obtained even with a simple structure. Further, even if the caster 15 is an inexpensive one that does not withstand a large load, it is possible to sufficiently achieve the purpose of smoothly moving the folded bed 1.

Further, unlike the conventional mountain fold type bed, since it is not a folding method in which one side is used as a reference and is pulled out or brought closer, it is possible to shorten the moving distance at the time of folding, and to stand on the spot. It can be a simple task.

Furthermore, by mounting the frame-shaped member 16 at an appropriate desired position, the frame-shaped member 16 can be used as a futon slip-off prevention frame and also as an auxiliary frame during folding work, and the usability is improved as necessary. You can

[Brief description of drawings]

FIG. 1 is a structural explanatory view of a folding bed.

FIG. 2 is a perspective view of a folding bed.

FIG. 3 is a perspective view of a frame body.

FIG. 4 is a perspective view of a frame body showing another example.

FIG. 5 is a side view showing a lower end portion of a leg frame.

FIG. 6 is a side view showing a lower end portion of a leg frame.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Folding bed 2, 3 ... Frame body 4 ... Support legs 5, 6 ... Leg frame 7, 8 ... Energizing spring 9 ... Spring mounting member 14 ... Wheel 15 ... Casters 16 ... Frame-shaped member

Claims (5)

[Scope of utility model registration request] 1. A folding bed in which the base ends of two substantially U-shaped frames are pivotally attached to the front and rear ends of the upper part of a support leg, and the two frames are mountain-foldable. A spring mounting member is laterally bridged on the free end side of the frame body, and a biasing spring is stretched between the spring mounting member and the supporting leg to bias the spring mounting member in the folding direction. Attached to the free end of the frame is an open-legged leg frame that meshes without abutting each other when folded, and the lower ends of these leg frames rotate only in the folding direction when folding to facilitate folding. While installing the wheels, on the outer surface of the lower end of the leg frame,
Folding bed with casters attached that allows it to move freely in any direction when it is folded. 2. The folding bed according to claim 1, wherein the lower end of the wheel of at least one of the two leg frames is set to be flush with the lower end of the leg frame. 3. The folding bed according to claim 1, wherein the lower end of the wheel of at least one of the two leg frames is set to be lower than the lower end position of the leg frame. 4. The wheel of one of the two leg frames is set so that the lower end of the wheel is flush with the lower end of the leg frame, and the wheel of the other leg frame is The folding bed according to claim 1, wherein the lower end of the wheel is set to be located below the lower end position of the leg frame. 5. The frame body protrudes above the frame body at the base end side portion and the free end side portion on both left and right side surfaces when mounted.
The folding bed according to any one of claims 1 to 4, wherein a frame-shaped member having a substantially U-shape is selected and attached.