JPH1118883A - Water bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water bed preventing the fatigue and breakage of a lining member caused by the repeating, etc., of bed adjustment (bed making). SOLUTION: The water bed consists of a water bag 2, a bed main body 1 with a housing part 31 to house the bag 2, and a lining member for preventing water leakage with a side face part and a bottom face part for wrapping the bag 2 from its bottom face and side faces and housed in the housing part 31 with the bag 2. In this case, the side face part of the member 4 is fixed to the inner faces of the part 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water bed in which a water bag is housed in a bed body together with a lining member for preventing water leakage, and more particularly to a lining caused by repeated bed adjustment (bed making). The present invention relates to a water bed capable of preventing bending fatigue and breakage of a member.

[0002]

2. Description of the Related Art As shown in FIG.
It is configured to include a water bag 91 and a bed body 92. The bed body 92 includes side plates 92A, 92B,
The water bag 91 is accommodated in an accommodation portion 921 formed by the side plates and the bottom plate, which is constituted by 92C, 92D and a bottom plate 92E. Normally, the water bed 9 is provided with a lining member 93 for preventing water leakage due to damage to the water bag 91. The lining member 93 and the water bag 91 are
1 and is configured to wrap the water bag 91 from the bottom and side surfaces thereof.

In FIG. 6, a lining member 93 is formed by using a sheet material, and plate members 931 are attached to four sides thereof. Since the plate member 931 holds the lining member 93 in a housing shape, the work when a user or the like assembles the water bed 9 becomes easy.

FIG. 7A is an enlarged explanatory view showing a part of the lining member 93 in FIG.
FIG. 4 is an enlarged explanatory view of a part of β in FIG. As shown in FIG. 7A, the side surface of the lining member 93 raises the sheet material from the bottom surface,
1 is folded so as to be included. The front edge of the side of the side portion where the sheet is folded (outside of the housing) is fused to the side where the sheet stands up (inside of the housing) at the lower end of the side surface. In addition, here, for reasons such as facilitating the handling of the lining member 93, one plate member 931 is provided on the short side surface portion, and two plate members 931 are provided on the long side surface portion. Between the two plate members 931 on the long side surface (the portion without the plate member indicated by reference character c), the rising side of the sheet and the folded side are joined by fusion.

[0005] As shown in FIG. 7B, adjacent corner portions of the lining member 93 (this portion is indicated by reference numeral d) are fused to each other. Even if the water bag is damaged and water leaks, the water does not leak out of the bed due to the waterproof action of the lining member 93.

When the user adjusts the bed, the sheet S may be inserted between the side surface of the water bag 91 and the side surface of the lining member 93 as shown in FIG. As shown in FIG. 8B, it may be inserted between the inner side surface of the housing portion 921 and the side surface portion of the lining member 93. In the case of FIG. 8B, for example, as shown in FIG. 9A, a portion c between two plate members 931 on the side surface of the long side of the lining member 93
Unnecessary stress is applied near the corner d of the lining member 93 as shown in FIG. 9B. For this reason,
When the sheets S are repeatedly inserted as shown in FIG. 8B (that is, when stress is repeatedly applied to the portions c and d), cracks easily occur in the portions c and d,
The waterproof property of the lining member 93 is impaired. Also, while the user is sleeping, a part of the user's body (eg, feet)
When riding on the upper end of the lining member 93, for example,
The upper end of the lining member 93 may be pushed down, and the lining member 93 may bend. Even with such repetition of bending, cracks are likely to occur in the portions c and d.

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to prevent or prevent sheets from being inserted between an inner surface of a housing and a side surface of a lining member. An object of the present invention is to provide a water bed that is inserted between a side surface and a side portion of a lining member. It is another object of the present invention to provide a water bed in which the upper end of the lining member is not pushed down by a part of the user's body while the user is sleeping.

[0008]

SUMMARY OF THE INVENTION A water bed according to the present invention comprises a water bag, a bed body having a housing portion for accommodating the water bag, and the water bag wrapped from the bottom and side surfaces thereof, and the water bag is housed in the housing portion together with the water bag. The lining member includes a water leakage prevention lining member having a side surface portion and a bottom surface portion, and the side surface portion of the lining member is fixed to an inner surface of the housing portion.

The fixing of the side portion of the lining member to the inner side surface of the housing portion includes the steps of: a first fastener element attached to at least an upper edge of a side portion outer surface of the lining member; By joining with at least a second fastener element attached to the upper edge of the zipper. In this case, various types of fasteners, such as a surface bonding type such as a velvet fastener and a point bonding type such as a button or a hook, can be used as the fastener composed of the first and second fastener elements.
Further, without using a fastener, the upper end of the side portion of the lining member is inserted into the protrusion protruding from the side plate of the bed body having the concave portion downward, so that the side portion of the lining member is accommodated in the housing. It can also be fixed to the inner surface of the part.

[0010] In the present invention, the side portion of the lining member,
The bottom portion may be formed of a continuous sheet material, or may be formed of a separate sheet material.
Normally, the contact portions and the like between the side portions are joined by fusion.

When the user or the like assembles the water bed, the lining member and the water bag are arranged in the housing so that the lining member is positioned below the water bag, and then water is injected into the water bag. At this time, the lining member is kept in the shape of a housing by the above-mentioned plate material, so that water injection work or the like becomes easy.

As described above, in the present invention, the inner side surface of the housing portion and the side surface portion of the lining member are fixed by the fastener or the like. Therefore, when the user adjusts the bed, the sheets are not inserted between the inner surface of the storage portion and the side surface of the lining member, and the sheet is necessarily inserted between the side surface of the water bag and the side surface of the lining member. Inserted into. Therefore, when adjusting the bed
Unnecessary force is not repeatedly applied to the lining member, so that cracks and the like due to fatigue do not occur.

Further, in the present invention, a lining protection member made of a synthetic resin material or the like can be attached to the inside of the side plate of the bed main body at the height of the upper end of the side surface of the lining member along the upper end of the side surface. Thereby, while the user is sleeping, the upper end of the lining member is not pushed down by a part of the user's body, so that the lining member is not cracked.

[0014]

FIG. 1 is an exploded view schematically showing an embodiment of a water bed according to the present invention. In FIG. 1, a water bed 1 includes a water bag 2, a bed body 3 including side plates 3A to 3D in which the water bag 2 is stored, and a lining member 4 for preventing water leakage. The water bag 2 is the same as that used in the conventional water bed described with reference to FIG.

The bed body 3 has a storage section 31 in which the water bag 2 is stored. A pile base material 51 is attached to the inner side surface of the housing portion 31 in a belt shape.
The pile base material 51 can function as a second fastener element (a female element of the velvet fastener). Of course, instead of the pile base material 51, a female element of a normal velvet fastener can be used as the second fastener element.

The lining member 4 has side surfaces 4a to 4
A plate member 41 is attached to d to form a housing.
When a user or the like assembles the water bed, the lining member 4 and the water bag 2 are attached to the lining member 4.
So that the storage portion 31 is located below the water bag 2.
After that, water is injected into the water bag 2. At this time, since the lining member 4 is kept in the shape of a housing by the plate member 41, the work of pouring water or the like becomes easy. The plate 4
1 is provided on the short side surface portions 4b and 4d and two on the long side surface portions 4a and 4c in consideration of folding of the lining member 4 and the like.

A first fastener element (male element of velvet fastener) is provided on the outer side of the upper end of the side portions 4a to 4d.
42 are attached in a band along the edge. FIG.
FIG. 2 is a partially enlarged view of a bed main body 3 and a lining member 4 of the water bed 1 shown in FIG. A lining protection member (a soft synthetic resin pipe, a rod-shaped body of a soft foam synthetic resin, etc.) is provided on the upper inside of the side plates 3A to 3D (the right side plate 3C and the rear side plate (back plate) 3D are shown in FIG. 2) of the bed body 1. 61 are attached along the upper end. Each of the side plates 3A to 3D (the right side plate 3C and the rear side plate 3 in FIG. 2).
In the vicinity of the central portion inside D), a frame member 62 for attaching a bottom plate is provided.
The bottom plate 3E is mounted on the frame member 62. Further, a pile base material 51 is stuck over the entire surface of the inside of these side plates where the lining protection member 61 contacts. The adjacent side plates (the right side plate 3C and the rear side plate 3D in FIG. 2) are assembled by appropriate coupling means (here, the pin 63).

A side portion of the lining member 4 (in FIG.
c, 4d) At the upper edge of the outer surface, the first fastener element 42 is attached as described above. In this embodiment, it is needless to say that the first fastener element can be a female type and the second fastener element can be a male type.

In the corner portion d of the lining member 4, adjacent side portions (here, 4c and 4d) are thermally fused so as to be pinched. The plate material 41 is made of PP
It is made of (polypropylene), and is formed by rising the sheet material so as to be continuous from the bottom surface 4e, and folding the sheet material so that the plate material 41 is included. The leading edge of the side surface portion (here, 4c and 4d) where the sheet material is folded is fused at the lower portion to the side where the sheet material has risen. Referring to FIG. 1, between the two plate members 41 of the long side surface portions 4 a and 4 c (in FIG. 1, the side surface portion 4 c is denoted by reference numeral c), the rising side of the sheet and the folded side They are joined by fusion.

FIG. 3 is a sectional view showing a state where the water bed shown in FIG. 1 is assembled. Water bag 2
Is wrapped by the lining member 4 from the bottom and side surfaces thereof, and the side surface portion of the lining member 4 (here,
4a and 4c) are fixed to the inner surface of the accommodating portion 31 (indicated by a broken arrow in FIG. 3) described with reference to FIG. 1 by a first fastener element 42 and a second fastener element (pile base material 51). ing.

As shown in FIG. 3, the user cannot or cannot easily insert sheets between the inner surface of the housing portion 31 and the side surfaces (here, 4a and 4c) of the lining member 4. Disappears. In particular, in the present embodiment, the boundary between the inner side surface of the housing portion 31 and the side surface portion of the lining member 4 is hidden by the lining protection member 61,
The user will not try to insert sheets between them. For this reason, the user can see FIG. 4 (a partially enlarged enlarged explanatory view of a part near the inner side surface of the accommodation part 31 of the water bed in FIG. 3).
Inevitably, as shown in FIG.
And the side of the lining member 4 (4c in FIG. 4)
And will be inserted between them. Thus, as in the related art, between the two plate members 41 on the long side surfaces 4a and 4c of the lining member 4 (portion indicated by reference numeral c in FIG. 1) and the four corner portions of the lining member 4 (portion in FIG. Fatigue due to bending or the like does not occur in the vicinity of the portion indicated by the symbol d), and therefore, cracks do not occur in these portions c and d.

In the above embodiment, the fixing of the side surfaces 4a to 4d of the lining member 4 to the inner surface of the housing portion 31 is performed by the first fastener element 42 attached to the entire periphery of the outer surface of the side surfaces 4a to 4d. And the second fastener element (pile base material 51) attached over the entire circumference of the inner surface of the housing portion 31. However, the water bed of the present invention is not limited to this. That is, the fixing of the side surface portions 4a to 4d of the lining member 4 to the inner side surface of the housing portion 31 is performed by the first fastener element attached to a part of the outer surface of the side surface portions 4a to 4d and the inside of the housing portion 31. It can also be performed by joining with a second fastener element attached to the side surface. A fastener other than the velvet fastener, such as a velvet fastener or a hook, can be used as such a fixing means.

FIG. 5 is an overall explanatory view of a water bed 1 'showing an embodiment in which the side portions 4a to 4d of the lining member 4 are fixed to the inner side surface of the housing portion 31' without using a fastener. A side plate (here, 3C ', 3D') of the bed body 1 'in FIG. 5 has a protruding portion 7 protruding inward at a height portion of the upper surface of the water bag 2. The protrusion 7 has a recess formed downward. By sandwiching the upper ends of the side surfaces 4c and 4d, the side surface is fixed to the inner surface of the housing portion 31 '. In FIG. 5, the protruding portion 7 having the concave portion is formed continuously along each side plate (here, 3C ', 3D'), but it may be formed at a plurality of positions on each side plate. it can. In FIG. 5, the projections 7 are provided on all the side plates. However, the projections 7 are provided on the side plates except the back plate 3D, and the side surfaces 4a to 4c of the lining member 4 are attached to the projections 7 on the side plates. Is fixed to the inner surface of the housing portion 31 'using the recess formed in the housing portion 31', and the side surface portion 4d is
1 'may be fixed to the inner surface.

In the above embodiment, the plate material 41 is provided on the side surface of the lining member 4, but it may be omitted. In this case, the lining member 4 has side surfaces 4a to
4c is fixed to the inner surface of the housing portion 31 by the first and second fastener elements, so that the shape of the housing 4c is maintained. Absent.

[0025]

According to the present invention, the user cannot insert sheets between the inner surface of the housing portion and the side surface of the lining member,
Inevitably, the sheets are inserted between the side surface of the water bag and the side surface of the lining member, so that stress that would cause a crack in the lining member during bed adjustment is not applied. The waterproofness of the is improved. When a lining protection member is provided,
When the user is sleeping, the upper end of the lining member is not pushed down, so that stress that would cause a crack in the lining member is not applied.

[Brief description of the drawings]

FIG. 1 is an exploded explanatory view schematically showing an embodiment of a water bed according to the present invention.

FIG. 2 is a partially enlarged view of a bed body and a lining member of the water bed shown in FIG.

FIG. 3 is a sectional view showing a state where the water bed shown in FIG. 1 is assembled.

FIG. 4 is an enlarged partially cutaway explanatory view of the water bed shown in FIG. 3, showing a state in which sheets are inserted between a side surface of a water bag and a side surface of a lining member during preparation of a bed. .

FIG. 5 is a view showing an embodiment in which a side portion of a lining member is fixed to an inner surface of a housing portion without using a fastener.

FIG. 6 is a diagram showing a configuration of a conventional water bed.

FIG. 7A is an enlarged explanatory view of a part of α in FIG. 6;
FIG. 7B is a partially enlarged enlarged explanatory view of a portion β in FIG. 6.

8A and 8B are diagrams illustrating a conventional problem that occurs during bed adjustment, and FIG. 8A is a diagram illustrating a state in which sheets are inserted between a side surface of a water bag and a side surface of a lining member, and FIG. () Is a diagram illustrating a state in which the sheets are inserted between the inner side surface of the housing portion and the side surface portion of the lining member.

9A and 9B are diagrams showing inconveniences of a conventional water bed, and FIG. 9A is a diagram showing a state in which an unnecessary stress is applied between two plates on the side surface of the long side of the lining member; FIG. 4 is a view showing a state where unnecessary stress is applied near four corners of the lining member.

[Explanation of symbols]

 Reference Signs List 1, 1 'water bed 2 water bag 3 bed body 3A to 3D, 3C', 3D 'bed body side plate 3E bottom plate 31, 31' accommodation portion 4 lining member 4a to 4d side portion of lining member 41 plate member 42 first Fastener element 51 Second fastener element (pile base material) 61 Lining protection member 62 Bottom plate attachment frame material 7 Projection

Claims (4)

[Claims] 1. A water bag, a bed body having an accommodation portion for accommodating the water bag, and a side portion and a bottom portion which wrap the water bag from the bottom and side surfaces thereof and are accommodated in the accommodation portion together with the water bag. A water leakage prevention lining member comprising: a water bed, wherein a side surface portion of the lining member is fixed to an inner surface of the housing portion. 2. A first fastener element attached to at least an upper edge of an outer surface of a side portion of the lining member, wherein a side portion of the lining member is fixed to an inner surface of the housing portion. The water bed according to claim 1, wherein the water bed is formed by joining with a second fastener element attached to at least an upper edge of the inner surface. 3. The water bed according to claim 1, wherein a plate is attached to a side surface of the lining member. 4. The lining protection member according to claim 1, wherein a lining protection member is attached along an upper end of the side portion of the lining member inside the side plate of the bed body. The water bed according to any of the above.