JP3350298B2 - Round table equipment consisting of dug and tower - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dugout and scaffolding table device suitable as a digging trowel.

[0002]

2. Description of the Related Art Heretofore, the following types of seating tables have been known. That is, a rectangular opening smaller than the flat shape of the tatami is formed in a floor plate below the tatami mat at a required portion of the Japanese-style room, and an upper portion of a box having an open top is attached to the periphery of the opening. A frame composed of four frames is detachably fitted so that the upper surface of the frame is flush or substantially flush with the upper surface of the tatami mat, and projections are erected at four corners of the frame, A recess is formed at the lower end of the ladder to be mounted on each of the four corners of the frame, in which the protrusion is fitted. Bolts and nuts are provided so that the ends of the frame adjacent to each other of the frame can be disassembled. Those linked by etc. are known. By fitting the projections into the recesses in the legs of the tower, the tower can be prevented from moving horizontally. Also, the reason why the frame can be disassembled into four frames is that when excavation is not used for a long time, the frame is removed and disassembled into four frames, and these four frames are disassembled. In order to be able to be stored in a box.
At this time, the box is closed by the closing plate, and a tatami mat is laid thereon.

[0003]

An object of the present invention is conventionally required in the above-mentioned sitting table apparatus by providing a projection for preventing the tower from shifting in the horizontal direction, and also having a function as a connecting tool for connecting the frames. It is intended to reduce the number of parts by eliminating bolts and nuts.

[0004]

Means for Achieving the Object The present invention employs the following means to achieve the object. In the invention of claim 1, a rectangular opening smaller than the flat shape of the tatami mat is formed in a floor plate below the tatami mat at a required portion of the Japanese-style room, and an upper portion of a box having an open top is attached to a periphery of the opening. A frame consisting of four frames is fitted on the upper surface of the periphery of the opening, and the legs of the tower are mounted on the four corners of the frame. The ends of the frames adjacent to each other of the frame are attached to these ends. Cutouts are formed to prevent the frames from shifting up and down even when the parts are overlapped, and a through hole is formed at the end of the upper frame when the ends of these frames are stacked. A recess connected to the through hole is formed at an end of the lower frame, and a projection is fitted in such a manner that an upper portion protrudes in the through hole and the recess, and a recess in which the upper portion of the projection fits is formed. It is formed under the legs of the tower.

[0005]

The first aspect of the present invention has the following functions. Protrusions that prevent the tower from shifting in the horizontal direction also have the function of connecting tools that connect the frames, eliminating the need for bolts and nuts that were required conventionally and reducing the number of parts. I can do it.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, three embodiments of the present invention will be described with reference to the drawings. In these descriptions, the same members are denoted by the same reference numerals.

[First Embodiment of the Invention] (See FIGS. 1 to 8) In this description, the front means the front side of FIG. 1, the rear means the back side of FIG. 1, and the left means the figure. 1 Right side means right side in the figure.

A rectangular opening 6 smaller than the planar shape of the tatami 2 is formed in the floor plate 5 below the tatami 2 (the longitudinal direction is shorter than that of a single tatami mat) (see FIG. 8) in the center of the Japanese-style room 1. And
Attached to the periphery of the opening 6 is an upper portion of a box 8 having an open top, which will be described in detail below. The inside of the box 8 is a dug 7. The box body 8 is composed of a box-shaped main body 9 having an open top surface, and an extruded member having an L-shaped cross section and having a horizontal portion facing outward and attached to an outer peripheral portion of an upper end of the main body 9.
And a horizontal portion of the mounting bar 10 is fixed to a step 11 of the floor plate 5 around the opening 6.
A stepped portion 13 for a closing plate having a height H is formed on the entire periphery of the box body 8 by the hanging portion of the mounting bar 10 and the upper end surface of the main body 9 (see FIG. 4).

At the bottom of the main body 9, a kotatsu heater 14 is provided.
Are mounted and fixed, and a sink 15 is removably stored so as to be located above the kotatsu heater 14.

On the upper surface of the periphery of the opening 6 (specifically, on the upper surface of the main body 9, the upper surface of the horizontal portion of the mounting bar 10 and the upper surface of the floor plate 5), a disassembleable frame 16 composed of four frames 17 is provided. But,
The upper surface of the frame 16 is the tatami 3 (the central tatami 2 corresponding to the opening 6).
The tatami mats around it, other than, are designated as tatami mat 3. ) Is detachably fitted so as to be flush with or substantially flush with the upper surface of FIG.

As shown in FIG. 5, cutouts 21 are formed at the ends of the frames 17 adjacent to each other in the frame 16 to prevent the frames 17 from shifting up and down even when the ends are overlapped. When the ends of these frames 17 are overlapped, the
A through hole 22 penetrating vertically is formed at an end of the frame 17, and a recess 23 connected to the through hole 22 is formed at an end of the lower frame 17. An upper portion is formed in the through hole 22 and the recess 23. The protrusion 24 is detachably fitted in a projecting manner. As is apparent from this description, the projection 24 functions as a connecting tool for connecting the frames 17 so as to be disassembled. A step-down portion 13 for a closing plate having a height H is formed on the entire inner peripheral edge of the frame 16. Note that, at the lower end of the frame 17, the lower projection that fits into the step-down portion 13 for the closing plate of the box 8 is cut off because it is in the way (see FIG. 5).

As shown in FIG. 1 and FIG.
Are slidably mounted on the stepping portion 13 of the front and rear frames 17 so as to be slidable left and right and detachably. This helper 20
Is for those who want to stretch their feet and put their feet on.

The tower 2 placed at the four corners of the frame 16
A recess 29 in which the protrusion 24 fits is formed at the lower end portion of the four legs 28 of the 7. By mounting the tower 27 on the frame 16 by fitting the protrusion 24 into the recess 29, The tower 27 can be prevented from moving horizontally. A closing plate 32 having a thickness H is detachably fitted on the upper part of the tower 27. A futon (not shown) is hung on the closing plate 32, and the top plate 33 is placed thereon. It has been done.

The closing plate 32 is fitted over the frame 16 or the box 8 with its peripheral edge fitted into the step 13 for the closing plate.

FIGS. 1 to 6 show a normal use state. FIG. 7 shows a case where the dugout 7 and the scaffold 27 are not used temporarily (for example, when the dugout 7 is used in a normal use state in the daytime and temporarily closed to lay a futon when going to sleep at night). The state of is shown. The protrusion 24 is removed from the through hole 22 and the recess 23, the auxiliary saw 20 is removed, and the frame 16 is closed by the closing plate 32. Since the position of the frame 16 is regulated by the closing plate 32, the frame 16 does not fall apart even without the projection 24. FIG. 8 shows a state in which the dug 7 and the scaffold 27 are not used for a long time. The auxiliary saw 20 and the frame 16 are removed, and the four frames 17 disassembled by removing the auxiliary saw 20 and the projections 24 are:
It is stored in the box 8. Then, the box body 8 is closed by the closing plate 32, and the tatami 2 housed in a closet or the like is placed thereon.

[Second Embodiment of the Invention] (See FIGS. 9 to 11) In this description, the front means the front side of FIG. 9, the rear means the back side, and the left means FIG. The left side and the right side mean the right side in FIG.

At a required portion of the floor 42 of the Western room 41, a rectangular opening 6 having a stepped portion 43 around it is formed.
The horizontal portion of the mounting bar 10 is attached to the step-down portion 43 of FIG. A decorative edge 44 made of an extruded aluminum material or the like is attached to the upper peripheral edge of the opening 6. The frame 16 is placed on a horizontal portion or the like of the mounting bar 10.

FIG. 9 shows a normal use state. FIG. 10 shows a state in which the dug 7 and the scaffold 27 are not used temporarily. The protrusion 24 is removed from the through hole 22 and the recess 23, and the auxiliary saw 20 is removed,
The frame 16 is closed by the closing plate 32. In addition,
The upper surface of the closing plate 32 has the same or substantially the same design as the upper surface of the floor 42. Since the position of the frame 16 is regulated by the closing plate 32, the frame 16 does not fall apart even without the projection 24. FIG. 11 shows a state in which the dug 7 and the scaffold 27 are not used for a long time. The auxiliary saw 20 and the frame 16 are removed, and the auxiliary saw 20 and the disassembled four frames 17 are stored in the box 8. Then, the box body 8 is closed by the closing plate 32, and the two crosspieces 48 housed in a closet or the like are placed on the front and rear portions of the closing plate 32 such that the longitudinal direction is directed to the left and right. On the crosspiece 48, three floor materials 49 having the same or almost the same design as the upper surface of the floor 42, which are housed in a closet or the like, are arranged in the left-right direction.
Moreover, it is placed so as to be flush with or substantially flush with the upper surface of the floor 42. A decorative rim 50 made of an extruded aluminum material or the like is attached to a peripheral portion of each floor material 49. The opening 6 having no frame 16 is closed by the three floor members 49.

[Third Embodiment of the Invention] (See FIGS. 12 and 13) On each of the ends of the frame 17 of the frame 16, the upper and lower sides which are connected to each other when the ends of the frame 17 are overlapped with each other A penetrated through hole 53 is formed, and a counterbore 54 is formed below the through hole 53 formed at the end of the lower frame 17. Screws 55 are fitted into the through holes 53 from below so that the upper ends of the screws 55 project upward.
The screw hole 57 of the screw cylinder 56 buried under the lower leg 28
It is screwed into. The head of the screw 55 has a counterbore 5
4 so as to fit completely therein. This third
However, in the embodiment of the invention, as shown in FIG. 7, the dug 7 and the stud 27 are temporarily not used, and as shown in FIG. 8, the dug 7 and the stud 27 are not used for a long time. It can be made into. It is needless to say that the frame 16 in this description can be used in the Western-style room 41.

[0020]

[Modifications and the like] Modifications and the like will be described below. (1) The kotatsu heater 14 may not be provided. In this case, since the futon is not required, the top plate 33 may be fixed to the tower 27. (2) The thickness of the closing plate 32, the step-down portion 1 for the closing plate of the box 8.
The height of 3 and the height of the step 13 for the closing plate of the frame 16 may be substantially equal. In short, when the closing plate 32 is put on the box body 8 or the frame 16, it is only necessary that there be no level difference that hinders walking or the like. (3) The size of the opening 6 is arbitrary. (4) The recess 23 may penetrate vertically. (5) The floor material 49 may be one sheet. By attaching short legs or the like to the lower part of the floor material 49,
Can be omitted. Further, the floor material 49 and the crosspiece 48 may be connected and fixed. The upper surface of the floor member 49 may not have the same or almost the same design as the upper surface of the floor 42. (6) The projection 24 may not be detachable from the recess 23 and the through hole 22. That is, the frame 16 may not be disassembled into four frames 17.

[0021]

According to the present invention, the following effects can be obtained by the above-described configuration. According to the first and third aspects of the present invention, the protrusion for preventing the tower from shifting in the horizontal direction also has a function as a connecting tool for connecting the frames, so that the bolt conventionally required is used.・ No nut is required and the number of parts can be reduced. According to the second and fourth aspects of the present invention, since the screw for preventing the tower from shifting in the horizontal direction also has a function as a connecting tool for connecting the frames, the tower is shifted in the horizontal direction. There is no need to separately provide protrusions and bolts and nuts for connecting the frames, so that the number of parts can be reduced.

[Brief description of the drawings]

FIG. 1 is a simplified vertical sectional view showing a first embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view showing only the upper part of the tower along the line II-II in FIG.

FIG. 3 is an enlarged sectional view showing only the vicinity of a frame along the line III-III in FIG. 1;

FIG. 4 is an enlarged sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is an exploded perspective view of partially crushing the ends of adjacent frames.

FIG. 6 is an end view taken along the line VI-VI of FIG. 4;

FIG. 7 is a longitudinal sectional view of a main part showing a state where dugout is not used temporarily.

FIG. 8 is a vertical cross-sectional view of a main part showing a state where dugout is not used for a long period of time.

FIG. 9 is a longitudinal sectional view of a main part showing a second embodiment of the present invention.

FIG. 10 is a longitudinal sectional view of a main part showing a state where dugout is not used temporarily.

FIG. 11 is a longitudinal sectional view of a main part showing a state when excavation is not used for a long time.

FIG. 12 is a longitudinal sectional view of a main part showing a third embodiment of the present invention.

FIG. 13 is a sectional view taken along line XIII-XIII of FIG. 12;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Japanese-style room 2 tatami 5 Floor plate 8 Box 16 Frame 17 Frame 21 Cut out 22 Through hole 23 Concave 24 Projection 27 Tower 28 Leg 29 Concave

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F24C 1/00

Claims (4)

(57) [Claims] 1. A floor opening below a tatami mat at a required portion of a Japanese-style room is formed with a rectangular opening smaller than a plane shape of the tatami mat, and an upper portion of a box having an open top is attached to a periphery of the opening. A frame consisting of four frames is fitted on the upper surface of the periphery, and legs of a tower are mounted on the four corners of the frame. The ends of the frames adjacent to each other are connected to each other. A cutout is formed so that the frames do not shift up and down even when they are stacked, and a through hole that penetrates vertically at the end of the upper frame when the ends of these frames are stacked,
A recess connected to the through hole is formed at the end of the lower frame, and a projection is fitted in such a manner that an upper portion protrudes in the through hole and the recess. A table device consisting of a dug-out and a tower formed at the bottom of the leg. 2. A rectangular opening smaller than the flat shape of the tatami mat is formed in a floor plate below the tatami mat at a required portion of the Japanese-style room, and an upper portion of a box having an open top is attached to a periphery of the opening. A frame consisting of four frames is fitted on the upper surface of the periphery, and legs of a tower are mounted on the four corners of the frame. The ends of the frames adjacent to each other are connected to each other. Cutouts are formed to prevent the frames from shifting up and down even when they are stacked, and at each end of these frames, there is a through hole that penetrates vertically and connects to each other when the ends of the frames are stacked. A digging screw is formed in the through holes, and a screw is fitted from below to make the upper end thereof project upward, and the upper ends of these screws are screwed into the screw holes formed in the lower part of the tower. A table device consisting of a nest and a tower. 3. A rectangular opening having a stepped portion around the periphery thereof is formed at a required portion of the floor of the Western room, and an upper portion of a box having an open top is attached to the periphery of the stepped portion of the opening. A frame frame composed of four frames is fitted into the step-down portion, and the legs of the tower are mounted on the four corners of the frame frame. The end portions of the frame frames adjacent to each other are connected to these end portions. Cutouts are formed to prevent the frames from shifting up and down even when they are stacked, and through holes are formed at the ends of the upper frames when the ends of these frames are stacked. A recess connected to the through hole is formed at an end of the lower frame, and a projection is fitted in such a manner that an upper portion protrudes from the through hole and the recess. A table device consisting of a digging and a scaffold formed at the bottom of the leg. 4. A rectangular opening having a stepped portion around the periphery thereof is formed in a required portion of the floor of the Western room, and an upper part of a box having an open top is attached to a periphery of the stepped portion of the opening. A frame frame composed of four frames is fitted into the step-down portion, and the legs of the tower are mounted on the four corners of the frame frame. The end portions of the frame frames adjacent to each other are connected to these end portions. Cutouts are formed to prevent the frames from shifting up and down even when they are overlapped with each other, and through-holes that penetrate up and down are connected to each other at the ends of these frames when the ends of the frames are overlapped. A screw is fitted into these through holes from below so as to protrude the upper end thereof, and the upper ends of these screws are screwed into screw holes formed in the lower part of the legs of the tower. Round table equipment consisting of digging and a tower.