JP3642712B2 - Cushion device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cushion device having a backrest cushion body on which a user can lean.
[0002]
[Prior art]
For example, in a bed as a cushion device, a user may not only lie on a mattress and go to bed, but also sit down on the mattress and use it as a sofa.
[0003]
When using a bed as a sofa, the user may read with his upper body up on the mattress, watch TV, etc. In such a usage mode, the user can lean on the back. A cushion body for drowning is required.
[0004]
In the case of an ordinary bed, a cushion body for backrest is not provided, so that the user leans on the headboard. However, since some beds do not have a headboard, such a bed is inconvenient because the user cannot take the posture of standing up and leaning on the upper body.
[0005]
[Problems to be solved by the invention]
As described above, in a cushion device such as a bed that does not have a headboard, the user may not be able to take a posture of leaning on the upper body, which is difficult to use and inconvenient. .
[0006]
An object of the present invention is to provide a cushion device that can be provided with a cushion body for a user to lean against even a bed that does not include a headboard.
[0007]
[Means for Solving the Problems]
In a cushion device having a device main body and a backrest provided on the upper surface of the device main body,
The back body is
A pair of side portions provided at both ends of the intermediate portion and the intermediate portion, and a pair of engaging portions that engage with the lower surfaces of both ends in the predetermined direction of the apparatus body at the ends of the side portions. A frame-shaped member formed inward in the width direction;
The frame-shaped member is provided at an intermediate portion of the frame-shaped member, and the frame-shaped member is engaged with the lower surface of the apparatus main body so that the lower end abuts on the upper surface of the apparatus main body. A cushioning device comprising a support member that is held upright on a main body.
[0008]
According to a second aspect of the present invention, in the cushion device according to the first aspect, at least the frame-shaped member of the frame-shaped member and the support rod member is configured to be extendable and contractible in the width direction.
[0009]
A third aspect of the present invention is the cushion device according to the first aspect, wherein a cushion body is provided at least at an intermediate portion of the frame-shaped member.
[0010]
According to the first and third aspects of the invention, the backrest body can be provided at a predetermined position on the apparatus main body, so that the user can lean on the backrest body, and the backrest body is This is convenient because it can be held at a predetermined position on the upper surface of the apparatus main body or can be detached from the apparatus main body.
[0011]
According to invention of Claim 2, since the width dimension of a backrest body can be adjusted, this backrest body can be used even if the width dimension of an apparatus main body differs.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the invention will be described with reference to the drawings.
[0013]
1 to 5 show a first embodiment of the present invention. FIG. 1 shows a bed 1 as a cushion device according to the present invention, and this bed 1 has a device body 2. The apparatus main body 2 has a rectangular base 3 as shown in FIG. Legs 4 are provided at the four corners of the lower surface of the base 3, and a first cushion body 5 is provided at the upper surface.
[0014]
The first cushion body 5 has a spring unit 7 in which coil springs 6 are arranged in a matrix, and an elastic sheet 8 is laminated on the upper surface of the spring unit 7. The base 3, the spring unit 7, and the elastic sheet 8 are covered with an exterior ground 9.
[0015]
The apparatus body 2 is provided with a backrest 11. The backrest 11 has a frame-shaped member 12. The frame-shaped member 12 is formed of a pipe member with an intermediate portion 13 and a pair of side portions 14 bent in an L shape at both ends of the intermediate portion 13. A lower end portion of the side portion 14 is formed in an engaging portion 15 that is further bent in an L shape inward in the width direction.
[0016]
As shown in FIG. 4, the intermediate portion 13 is divided at a middle portion in the length direction, and the divided one portion 13 a and the other portion 13 b are connected by a joint 16 so that the length can be adjusted.
[0017]
The joint 16 has a male screw member 17 attached and fixed to the end of one portion of the intermediate portion 13. The male screw member 17 has a cylindrical connecting portion 19, and a plurality of slits 21 are formed in the connecting portion 19 at a predetermined interval in the circumferential direction, and the outer peripheral surface of the tip portion is the first one. A tapered portion 22 is formed.
[0018]
A cylindrical female screw member 23 is screwed into the connecting portion 19 of the male screw member 17. A second taper portion 24 is formed on the inner peripheral surface of the female screw member 23. Therefore, when the female screw member 23 is fastened to the male screw member 17, the connecting portion 19 of the male screw member 17 is elastically deformed in the direction of diameter reduction.
[0019]
One end of a length adjusting member 25 made of a pipe material whose outer dimension enters the inside of the frame-shaped member 12 is fitted and fixed to the other portion 13 b of the intermediate portion 13. The other end of the length adjusting member 25 is slidably inserted into one portion 13a of the intermediate portion 13 through the male screw member 17.
[0020]
If the female screw member 23 is tightened and the connecting portion 19 of the male screw member 17 is elastically deformed in the diameter reducing direction, the length adjusting member 25 cannot slide with respect to the one portion 13a of the intermediate portion 13. Fixed.
[0021]
When the female screw member 23 is loosened, the length adjusting member 25 can be slid with respect to the one portion 13 a of the intermediate portion 13. Therefore, if the length adjusting member 25 is slid to a predetermined position and fixed at that position, the length dimension of the intermediate portion 13, that is, the width dimension of the frame-like member 12 can be adjusted. In this embodiment, the width dimension of the frame-shaped member 12 is set so that the pair of engaging portions 15 engage with the lower surfaces of both end portions in the width direction of the apparatus main body 1.
[0022]
A support member 31 is provided at the intermediate portion 13 of the frame-shaped member 12. The support member 31 is formed by bending a pipe material in a substantially inverted U shape, and one end and the other end thereof are respectively fixed to one part 13a and the other part 13b of the intermediate part 13 of the frame-like member 12. Yes.
[0023]
The intermediate portion 32 of the support member 31 is divided into two portions 32a and 32b, similar to the intermediate portion 32 of the frame-like member 12, and one end portion of the length adjusting rod 33 is fitted and fixed to the other portion 32b. ing. The other end of the length adjusting rod 33 is slidably inserted into one portion 32a.
[0024]
Accordingly, when the width dimension of the frame-shaped member 12 is adjusted by the joint 16, the support member 31 can change the width dimension in accordance with the adjustment.
[0025]
The height of the support member 31 is such that when the pair of engaging portions 15 of the frame-shaped member 12 are engaged with the lower surface in the width direction of the apparatus main body 1, the intermediate portion 32, which is the lower end, is located on the apparatus main body 1. It is set to be slightly above the upper surface.
[0026]
A cushion body 35 for backrest is provided at an intermediate portion between the frame-shaped member 12 and the support member 31. Although the details of the cushion body 35 are not shown, an elastic member is accommodated in a bag member that can be opened and closed by a fastener, for example, and this elastic member is an intermediate portion between the frame-shaped member 12 and the support member 31. 13 and 32 are held in a wrapped state.
[0027]
By opening the fastener of the bag member, the joint 16 provided at the intermediate portion 13 of the frame-like member 12 can be exposed. Therefore, the length of the frame-shaped member 12 can be adjusted even if the cushion body 35 is provided in a state of wrapping the intermediate portions 13 and 32 between the frame-shaped member 12 and the support member 31.
[0028]
The pair of engaging portions 15 of the frame-shaped member 12 are engaged with the lower surface of the apparatus main body 1, and the frame-shaped member 12 is tilted in the front-rear direction as shown in FIG. It contacts the upper surface of the apparatus main body 2 through the body 35. Therefore, the backrest 11 is held so as not to fall further in the inclined state.
[0029]
According to the bed 1 having such a configuration, for example, as shown in FIGS. 1 and 2, the backrest 11 is in an upright position slightly inclined in the front-rear direction on the upper surface of one longitudinal end of the apparatus body 2. Can be held incapable.
[0030]
Therefore, since the user can lean on the cushion body 35 of the backrest body 11, the posture in which the upper body is raised can be easily maintained.
[0031]
In the backrest 11, the engaging portions 15 provided on the frame-shaped member 12 are engaged with the lower surfaces of both ends in the width direction of the apparatus main body 2, and the frame-shaped member 12 is inclined along the longitudinal direction of the bed 1. By doing so, the lower end of the support member 32 is brought into contact with the upper surface of the apparatus main body 2 and is held so as not to fall down.
[0032]
That is, the backrest 11 is held in the standing state on the apparatus main body 2 of the bed 1 simply by engaging the engaging portions 15 with the lower surfaces of both ends in the width direction of the apparatus main body 2 and tilting. If the backrest 11 is erected almost vertically from the inclined state, it can be moved along the longitudinal direction of the apparatus body 2. Moreover, by tilting the backrest 11 at an arbitrary position, it can be held at that position.
[0033]
For example, if the backrest body 11 is held at a position A indicated by a solid line in FIG. 2, the user can lean on the backrest body 11 with the legs thrown on the upper surface of the apparatus main body 2. If it is held at the position B indicated by the chain line, the user can sit on one end of the apparatus main body 2 and use it with the legs lowered from the apparatus main body 2 downward.
[0034]
Note that the user sat down on the end of the apparatus main body 2 in the same manner as when the backrest 11 was rotated in the direction of the arrow X at the position A and the inclination direction was changed to move to the position B. You may make it lean in a state.
[0035]
When the user wants to use the entire upper surface of the apparatus main body 2 effectively, for example, when the user goes to bed, the engagement portion 15 of the backrest body 11 is slid to a position where it is disengaged from the lower surface of the apparatus main body 2, 11 is removed from the apparatus main body 2. Thereby, the entire upper surface of the apparatus main body 2 can be used effectively.
[0036]
The backrest 11 can be adjusted in width. Therefore, even if the apparatus main body 2 has a different width dimension, the width dimension is set so that the pair of engaging portions 15 engage with the lower surfaces of both end portions in the width direction of the apparatus main body 2 according to the width dimension of the apparatus main body 2. Can be used with adjustment.
[0037]
FIG. 6 shows a second embodiment of the present invention. In this embodiment, support members 31A and 31B are separately provided on one portion 13a and the other portion 13b of the frame-shaped member 12 of the backrest 11 which are divided into two.
[0038]
Therefore, according to such a structure, when adjusting the width dimension of the frame-shaped member 12 with the joint 16, it is not necessary to expand / contract the supporting members 31A and 31B.
[0039]
Although not shown, the backrest 11 can be provided along the longitudinal direction of the apparatus body 2 by making the width dimension substantially the same as the longitudinal dimension of the apparatus body 2.
[0040]
Further, the apparatus main body 2 is not limited to a bed, but may be a sofa, and the shape thereof is not limited to a rectangular shape, and may be a circular shape or an oval shape. It is only necessary that the pair of engaging portions of the shaped member 12 can be engaged with the lower surfaces of both end portions of the main body 2 in a predetermined direction.
[0041]
Further, the cushion body 35 may have a size that extends not only to the intermediate portion 13 of the frame-shaped member 12 but also to the side portion 14, and the intermediate portion 32 of the support member 31 may be exposed to the outside of the cushion body 35. In short, it is only necessary that the cushion pair 35 is provided at least in the intermediate portion 13 of the frame-shaped member 12.
[0042]
7 and 8 show a third embodiment of the present invention. In this embodiment, the apparatus main body 2A of the bed 1 includes a bed frame 42 in which legs 41 are provided at four corners of the lower surface, and a mattress 43 placed on the upper surface of the bed frame 42. The length dimension of the bed frame 42 is longer than the length dimension of the mattress 43, and a frame-like member 12 </ b> A is detachably provided at the longitudinal end of the bed frame 42.
[0043]
The frame-like member 12A has an intermediate portion 13A made of a pipe material and a pair of side portions 14A made of a strip-like member provided at both ends of the intermediate portion 13A. A support member 31A made of a pipe material or the like having a predetermined length and an engaging portion 15A are fixed to the lower end of the support member 31A by screwing or welding on the inner surface of the lower end portion of each side portion 14A. .
[0044]
The support member 31A has a lower end portion that is the upper surface of the apparatus main body 2A in a state where the frame-like member 12A is slightly inclined by engaging the engaging portion 15A with the lower surface of one end portion in the longitudinal direction of the bed frame 42. The upper surface of the bed frame 42 is brought into contact. As a result, the frame-like member 12A is held in an upright position slightly inclined rearward on the upper surface of the bed frame 42.
[0045]
A plate member 43 is provided on the front surface of the frame-shaped member 12A, and a cushion member 44 is attached to the plate member 43. Accordingly, the user can lean on the frame-like member 12A via the cushion body 44.
[0046]
The user may lean directly on the plate member 43 without attaching the cushion body 44 to the front surface of the plate member 43.
[0047]
9 and 10 show a fourth embodiment of the present invention. In this embodiment, the structure of the apparatus main body 2A and the attachment structure of the frame-like member 12A to the apparatus main body 2A are substantially the same as those of the third embodiment, but the cushion body 44A is formed in a columnar shape, and this cushion body 44A. Is attached to the intermediate portion 13 of the frame-like member 12A.
[0048]
【The invention's effect】
According to the first and third aspects of the present invention, since the backrest body can be provided on the apparatus main body, the user can lean on the backrest body.
[0049]
The backrest body can be held at a predetermined position on the upper surface of the main body of the apparatus or removed from the main body of the apparatus, so that the usage pattern can be changed according to the user's preference, or removed so as not to get in the way when not in use. Can do.
[0050]
According to invention of Claim 2, since the width dimension of a backrest body can be adjusted, this backrest body can be used even if the width dimension of an apparatus main body differs.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a bed as a cushion device according to a first embodiment of the present invention.
FIG. 2 is a side view of the same.
FIG. 3 is a longitudinal sectional view of the main body of the apparatus, showing a state where the backrest is attached.
FIG. 4 is a cross-sectional view of a joint provided on the frame member.
FIG. 5 is a cross-sectional view of a portion where the support member is also extendable and retractable.
FIG. 6 is a front view of a frame-like member showing a second embodiment of the present invention.
FIG. 7 is a side view of a bed showing a third embodiment of the present invention.
FIG. 8 is a longitudinal sectional view.
FIG. 9 is a side view of a bed, similarly showing a fourth embodiment of the present invention.
FIG. 10 is a longitudinal sectional view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 2 ... Main body 11 ... Backrest body 12 ... Frame-shaped member 13 ... Intermediate | middle part 14 ... Side part 15 ... Engagement part 16 ... Joint 31 ... Support member 35 ... Cushion body

Claims (3)

In a cushion device having a device main body and a backrest provided on the upper surface of the device main body,
The back body is
A pair of side portions provided at both ends of the intermediate portion and the intermediate portion, and a pair of engagement portions that engage with the lower surfaces of both ends in the predetermined direction of the apparatus main body at the ends of the side portions. A frame-shaped member formed inward in the width direction;
The frame-shaped member is provided at the intermediate portion of the frame-shaped member, and the frame-shaped member is engaged with the lower surface of the apparatus main body so that the lower end abuts the upper surface of the apparatus main body. A cushion device comprising: a support member that is held upright on the main body. The cushion device according to claim 1, wherein at least the frame-shaped member of the frame-shaped member and the support member has a configuration that can be expanded and contracted in the width direction. The cushion device according to claim 1, wherein a cushion body is provided at least in an intermediate portion of the frame-shaped member.

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