JPH1150470A - Block for hot water device for foundation setting and its execution - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten a construction period by overlapping an upper prefabricated block and a lower prefabricated block at least two-divided in the direction in which mutual contact faces are orthogonal, and connecting and integrating the blocks of the upper and lower parts by a bolt. SOLUTION: An excavation hole is excavated in the ground, an earth rod is driven in the center part of the excavation hole, and an earth wire and electric piping are laid. Next, after a cobble stone is put in the bottom part of the excavation hole and compacted therein, sand is put in. After a block 1b after a lower prefabricated block 1 is put in the bottom part of the excavation hole and sand is adjusted while it is made horizontal by a level tube, a front block 1a is set on an opposite position. The left block 2a and the right block 2b of the upper prefabricated block 2 are mounted in the direction in which they are orthogonal to the contact face 1c of the block 1, and connected and integrated by a bolt. Furthermore, after remaining soil is half back-filled in a through hole 5, a cover body is fitted in the through hole 5, an earth wire and electric piping are drawn from the through hole of the cover body, and a space between the cover body and the through hole is filled with mortar and the like. Thereby a construction period can be shortened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foundation block on which an electric water heater, a gas water heater and the like are installed outdoors on a ground surface, and a method of constructing the same.

[0002]

2. Description of the Related Art Conventionally, when an electric water heater, a gas water heater, or the like is installed in a single-family house, 300 to 4 water storage tanks are required.
Since 50 liters of water is stored and weighs 600 kg, a special concrete base for installing the water heater is installed. The concrete base was a cast-in-place concrete base that excavated the ground at the installation site, dug a drill hole, and poured concrete directly into the drill hole.

[0003] However, the base made of cast-in-place concrete requires one day for foundation work and electric work, seven to eight days for concrete drying, one day for water heater installation and plumbing, and the work period is about 10 days. The installation took a considerable number of days. In addition, he said that the construction area would be occupied during the foundation work, which would cause inconvenience not being able to pass, and that the surroundings of the construction area would be dirty, and if there were garden trees near the installation area, it would have an adverse effect. There was a problem.

[0004] In addition, the strength against earthquakes of cast-in-place concrete is limited to 180 kgf / cm2, and it cannot withstand an earthquake having a large seismic intensity. In addition, since the foundation contractor and the water heater installation contractor are different, not only must you attend twice, but if the dimensions of the legs change at the time of replacement, it may not be mounted on the base, in which case There was a problem that it could not be repaired.

[0005]

SUMMARY OF THE INVENTION The present invention has been developed with the object of solving the above-mentioned problems. The entire construction can be completed in approximately one day, the construction period can be shortened, and hot water can be supplied on the same day. The purpose of the present invention is to provide a water heater installation base block which is lightweight, easy to handle, easy to handle, and excellent in seismic resistance during transportation and construction, and its construction method. Things.

[0006]

According to the present invention, at least two divided upper and lower prefabricated blocks are arranged in such a manner that their joint surfaces are orthogonal to each other. We have developed and adopted a foundation block for water heater installation, which consists of stacking, upper and lower blocks joined together by bolts.

According to the present invention, in the water heater installation base block constructed as described above, a through hole for taking out a ground wire and an electric pipe is formed in the center of the upper prefabricated block and the lower prefabricated block. The water heater installation basic block and the through-hole have been developed so that the water heater installation basic block is configured to be fitted and closed with a lid body that has a perforated hole for ground wire and electric piping. , Adopted.

Further, according to the present invention, a hole slightly larger than the outer shape of the lower prefabricated block is excavated, a ground wire and an electric pipe are laid in the center of the hole, and at least one of the two blocks is divided at the bottom. The lower prefabricated block is provided by arranging the other block on the side surface, and the upper prefabricated block, which is at least divided into the same as the lower prefabricated block, is provided on the upper surface of the lower prefabricated block. After polymerizing in the orthogonal direction, screwing bolts into bolt holes drilled in the upper and lower prefabricated blocks and joining and integrating them, the lid is fitted into the through hole in the center of the upper and lower prefabricated blocks. We have developed and adopted a construction method of a foundation block for installing a water heater, which is characterized by being constructed with water.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a water heater installation base block according to the present invention. An upper prefabricated block 2 is divided into at least two parts, and a bolt 3 for joining and integrating the upper and lower prefabricated blocks 1 and 2 is formed.

The lower prefabricated block 1
As shown in FIG. 3, is formed in a square shape, and is formed by joining a front block 1a and a rear block 1b, which are divided into two parts from a center in the horizontal direction, at a joint surface 1c.
Semicircular cutouts 4 and 4 are formed on the inner surfaces of the front block 1a and the rear block 1b, respectively, and when the front and rear blocks 1a and 1b are joined, a circular through hole 5 is formed at the center. Is done.

The front and rear blocks 1a, 1b are provided with bolt holes 6, 6 penetrating from the upper surface to the lower surface at two positions near the both sides, respectively.
As shown in FIG. 7, bolt holes 7, 7 into which the screw shaft 9 of the transport suspension ring 8 is screwed are formed at a slightly upper inner surface side. It is lifted up by the suspension ring 8 to facilitate transportation. This suspension ring is removed after being arranged at a predetermined position.

The upper prefabricated block 2 is formed by joining a left block 2a and a right block 2b, which are divided into two parts from the center in the vertical direction, at a joint surface 2c. The left block 2a and the right block 2b are placed on the upper surface in a direction orthogonal to the joining surface 1c of the subsequent block 1b. The bolt holes 6 and 7 are drilled at the same position in the block 1a in front of the lower prefabricated block 1 and in the block 1b in the rear.
Is formed in the counterbore 6a.

Further, the bolt 3 is screwed and joined to four bolt holes 6, 6, 6, 6 in which the upper prefabricated block 2 and the lower prefabricated block 1 are overlapped and coincide with each other.

An example of installation of the water heater installation base block of the present invention thus constructed will be described with reference to FIGS. First, an excavation hole 11 slightly larger than the outer shape of the block is dug in the ground G at the installation location of the water heater.
A grounding rod 12 is driven into the center of the wire, and a grounding wire 13 and an electric pipe 14 are laid. (FIGS. 8, 9)

Next, a rock stone 15 is put into the bottom of the excavation hole 11 and the bottom is leveled, and then sand 16 is put in to stabilize the grounding of the block. (FIGS. 10 and 11)

Thereafter, the block 1b, which constitutes the lower prefabricated block 1, is placed in the bottom of the excavation hole 11, and the sand 16 is adjusted and placed while looking horizontal with a level. Subsequently, the previous block 1a is similarly placed at the opposing position while checking the level. (FIGS. 12 and 13)

Further, the left block 2a and the right block 2b constituting the upper prefabricated block 2 are placed in a direction orthogonal to the joining surface 1c of the lower prefabricated block 1, and the bolt insertion holes 6 are matched to each other so that the bolts 3 are removed. Threaded and joined and integrated. (FIGS. 14, 15)

Subsequently, after half of the remaining soil 17 is backfilled in the circular through hole 5 at the center, a cover 18 fitted into the circular through hole 5 is fitted, and the through hole formed in the cover 18 is formed. 19, the ground wire 13 and the electric pipe 14 are drawn out, and the lid 18 and the through-hole 5 are formed.
Is filled with concrete, mortar, etc., and a foundation block for installing a water heater is constructed. (FIGS. 16, 17)

The water heater 21 is installed by driving the anchor 20 of the water heater into a position within 50 mm from the end of the base block for installing the water heater. (FIGS. 18, 19)

In the above-described embodiment, an example has been described in which the upper and lower prefabricated blocks are divided into two equal parts. However, the present invention is not necessarily limited to these embodiments, and the object of the present invention can be achieved. It goes without saying that various design changes can be made without departing from the spirit of the invention.

[0021]

As described above, the present invention provides at least 2
Since the divided upper prefabricated block and lower prefabricated block are stacked in a direction where their joint surfaces are orthogonal to each other and the upper and lower prefabricated blocks are joined together by bolts, the present invention relates to a water heater installation base block. Such excellent effects can be achieved.

Since a prefabricated block is used,
Since the work is only carried on the site and combined, the entire construction is completed in one day, and the construction period can be significantly reduced compared to the conventional cast-in-place concrete. In addition, since a prefabricated block manufactured at a factory whose quality is controlled is used, the strength is made uniform and the earthquake resistance is high. Since the joint surfaces of the upper and lower prefabricated blocks are arranged in directions orthogonal to each other, when an external force is applied,
Since there is no anisotropy in strength, reinforcement is reinforced and there is little possibility of breakage. Since the upper and lower prefabricated blocks are divided into at least two parts, the weight is reduced, handling during transportation and construction is facilitated, and workability is improved. Since the prefabricated block is used, the appearance is beautiful and the external surface exposed to the ground when installed is beautiful, so that there is no need to perform finishing work with concrete or the like.

Further, according to the water heater installation base block of the second aspect, it is easy to take out the ground wire and the electric pipe, and the work can be performed quickly.

Further, according to the third aspect of the present invention, the lid is fitted into the through-hole, so that the upper block is made uniform and the appearance is elegant. In addition, the ground wire and the electric pipe can be taken out without damaging them.

Further, according to the construction method of the foundation block for installing a water heater according to the fourth aspect, since the prefabricated block is used, the work process is smooth, the whole construction can be completed in one day, and the ground wire is provided. And the work at the time of electric piping can be simplified, and can be performed safely and quickly.

[Brief description of the drawings]

FIG. 1 is a perspective view of a water heater installation base block according to the present invention.

FIG. 2 is a sectional view of a main part.

FIG. 3 is a plan view of a lower prefabricated block.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a plan view of an upper prefabricated block.

FIG. 6 is a sectional view taken along line BB of FIG. 5;

FIG. 7 is a simplified diagram of a part of a prefabricated block.

8 to 19 are explanatory diagrams showing examples of construction.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower prefabricated block 1c Lower prefabricated block joint surface 2 Upper prefabricated block 2c Upper prefabricated block joint surface 3 Bolt 5 Through hole 13 Ground wire 14 Electrical piping 18 Lid 19 Through hole

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kazu Taniguchi 5-14-10 Nishitenma, Kita-ku, Osaka City Inside Kinki Concrete Industry Co., Ltd. (72) Inventor Takeshi Ishikawa 5- 14-10 Nishitenma, Kita-ku, Osaka-shi Kinki Concrete Industry Co., Ltd.

Claims (4)

[Claims] 1. A water heater installation base block in which at least two divided prefabricated blocks and a lower prefabricated block are stacked in a direction in which their joining surfaces are orthogonal to each other, and upper and lower prefabricated blocks are joined and integrated with bolts. 2. The water heater installation base block according to claim 1, wherein a through hole for taking out a ground wire and an electric pipe is formed in a central portion of the upper prefabricated block and the lower prefabricated block. 3. The water heater installation base block according to claim 2, wherein the through hole is configured to be fitted and closed with a lid body having a through hole for an earth wire and an electric pipe. 4. Excavating a hole slightly larger than the outer shape of the lower prefabricated block, laying a ground wire and an electric pipe in the center of the hole, and placing at least one of the two divided blocks at the bottom. The lower prefabricated block is provided by disposing the other block on the side surface, and at least two of the same as the lower prefabricated block are provided on the upper surface of the lower prefabricated block.
The divided upper prefabricated blocks are superimposed in a direction perpendicular to the joining surface of the lower prefabricated blocks, and bolts are screwed into bolt holes formed in the upper and lower prefabricated blocks. A method for constructing a foundation block for installing a water heater, characterized in that the construction is carried out by fitting a lid into a through hole in the center of a prefabricated block.