JP3509769B2 - Prefabricated frame for underground structures - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling frame for an underground structure housing which houses and protects meters and valves for water and sewerage, electric power, telecommunications installed underground. It is a thing.

[0002]

2. Description of the Related Art A water meter housing, which is a typical housing for underground structures, is disclosed in, for example, Japanese Patent Laid-Open No. 9-273187. The conventional water meter housing has an upper frame, a lower frame, and a lid main body that openably closes an upper surface open portion of the upper frame, and the water meter is placed on the lower frame to measure the amount of water in the upper frame. It is installed so that the vessel is protected and the lid body faces the ground surface. The upper frame is sized to secure a sufficient space for installation, maintenance and operability of the internal water meter. However, if the water meter housing is made larger than necessary, the weight and cost will increase, and since wasteful work and time are required for the operation of burying it in the ground, the water meter housing is It is designed to fit the standard size of the vessel.

Therefore, in the conventional water meter housing, a plurality of sizes are manufactured based on the standard size of the water meter, but the material is cast iron, synthetic resin such as FRP, resin concrete, etc. As a manufacturing method, casting is used in the case of cast iron, press molding or injection molding in the case of synthetic resin,
In the case of resin concrete, cast molding or centrifugal molding is used, so that it is necessary to prepare a mold for each standard size in any manufacturing method.

[0004]

Therefore, in the conventional water meter housing, the cost is increased by a plurality of mold allowances, and since the frame body is integrated, the water meter housing of a large standard size is bulky. Not only is waste in transportation and storage,
In the construction, there were problems such as lack of work labor and quickness of work time. The present invention has been proposed in view of the above conventional problems, it is easy to transport and does not require a wasteful space for storage, and at the construction site, a meter, a valve or the like that corresponds to a standard size is extremely suitable. It is an object of the present invention to provide an assembling type frame body for a casing for an underground structure that can be easily assembled.

[0005]

Order to achieve the above object, according to an aspect of, the knockdown frame in underground structures for housing of the present invention, the corners of at least quadrilateral shape a quadrilateral shape in plan view, the KD involved in the size of the width and depth of the frame body
However, a column having the same size is provided, and
And one of the side walls provided between the pillars
Grooves are formed, and convex ridges that fit into the grooved grooves are formed on the other side.
Part is formed, and the groove between the groove and the protrusion are engaged to secure the space between the columns.
It has a configuration providing a pre-Symbol sidewall portion. With the above-described configuration, the pillars have the same size regardless of the size of the frame body, and the widths and depths of the frame bodies are freely determined by adjusting the variations in the length of the side wall. be able to. As a result, it is not necessary to manufacture a frame body of a plurality of sizes with a mold, so that there is no waste related to the mold for manufacturing, and the side wall part has a necessary minimum strength separately from the support part. Since it is possible to use a commercially available product that is good, lightweight and inexpensive, it is possible to reduce the weight and cost of the frame body as a whole. Furthermore, since it can be assembled in the installation site very easily and in a short time, it can be stored or transported without being assembled, is not bulky, and wastes work time and labor in construction.

Further, the strut and one in concave groove or the side wall portion is formed, has either the other in the concave groove are convex portion fitted is formed in the locking configuration
Because, without the need for skilled, it can be assembled by anyone easily and quickly.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, an intermediate strut is provided between strut portions, and a side wall portion is provided so as to be locked between the strut portion and the intermediate strut portion. With such a configuration, it is possible to configure a large-sized frame body by connecting the side wall portions via the intermediate support portion. Furthermore, since the intermediate support portion plays the role of reinforcement, the frame body as a whole becomes strong.

Further, one or both of an upper surface material and a lower surface material for positioning and fixing each of the supporting columns are attached to the upper edge or the lower edge of the supporting column. With such a configuration, each of the supporting columns, which serves as a framework, is positioned and firmly fixed, so that the frame body as a whole becomes even stronger.

In addition, a plurality of cross members are vertically attached to the side wall portion.
It is configured to be laminated on. With such a configuration
The height of the side wall can be adjusted by adjusting the number of horizontal members.
In addition, when a pipe material is used as a cross member, pressure resistance
A high-strength side wall portion can be formed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a water meter housing will be described below with reference to the drawings. 1 is a perspective view showing a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the same as above, FIG. 3 is a plan view showing a part of the same as a cross section, and FIG. 4 is a cross section taken along line AA of FIG. FIG. 5 is a plan view in which a part of the second embodiment of the present invention is shown in section, FIG. 6 is a sectional view taken along line BB in FIG. 5, and FIG. ) Is a perspective view, (B) is a plan view, (C) is a cross-sectional view taken along the line CC of (B), FIG. 8 is a partially sectional front view showing the third embodiment of the present invention, and FIG. 9 is a perspective view in which a part of the above is disassembled, (A), (B) of FIG.
FIG. 11C is a perspective view of a part of an embodiment in which horizontal members are vertically stacked to form a side wall portion, and FIG. 11 is a part of another embodiment showing a locked state of the side wall portion and the column portion. It is a top view.

The substructure housing 1 comprises an assembling frame 2 of the present invention, a lid body 3 for closing the open upper surface of the assembling frame 2 so as to be openable and closable, a lower surface member 5 and the like. The assembly-type frame body 2 of the present invention has a quadrilateral shape in a plan view, and the pillar portions 21 arranged at least at four corners of the quadrilateral shape.
And a side wall portion 22 provided so as to be locked between the adjacent column portions 21 and 21.

According to the first embodiment of the present invention shown in FIGS. 1 to 4, the pillar portion 21 is made of metal or synthetic resin, and has a L-shaped cross section and extends vertically. The groove 21b is provided on the side edge of the member 21a. The pillar member 21a is provided with an upper flange portion 21c at the upper end and a lower flange portion 21d at the lower end.
A first fastening hole 21e is formed in each of c and 21d.

Then, a pair of adjacent ones of the support columns 21
A pin 21f for pivotal mounting is provided so as to project above the inner surface of the above, and a receiving piece 21g is provided in the form of a shelf plate above the inner surface of the four support columns 21.

The side wall portion 22 has a horizontally long plate shape and is made of a metal plate,
It is made of synthetic resin plate such as FRP or low foam resin, or resin concrete plate. Then, the side wall portion 22 is
The size of the assembly-type frame body 2 of the present invention is specified. One of the opposing first side wall portions 22a, 22a is horizontally longer than the other opposing second side wall portion 22b, 22b. The height of the side wall portions 22a and 22b is the same as the height of the column portion 21.

The left and right side edges of each of the side wall portions 22a and 22b are formed with ridges 22c which fit into the groove 21b of the column 21. Further, at the central position of the opposed second side wall portion 22b, the insertion hole 22 through which the water pipe passes.
d has been opened.

The lid body 3 is a plate-shaped member made of cast iron, synthetic resin such as FRP or low-foam resin, and having high pressure resistance, and is loosely fitted to the pin 21f of the column 21 on the side surface near one end. A first pivot hole 31 is formed.

Therefore, the four pillars 21 are arranged so as to be located at the corners of the quadrilateral corresponding to the lengths of the side walls 22a and 22b, and the groove grooves of the adjacent pillars 21 on the left and right sides are arranged. 21b is fitted with the ridge 22c of the first side wall 22a to face each other, and the ridge 22c of the second side wall 22b is fitted in the groove 21b of the adjacent left and right support columns 21. When assembled and facing each other, the upper and lower surfaces are openable
Can be assembled and configured.

In the assembled frame 2, the concave groove 21b
The ridge portion 22c and the ridge portion 22c may be firmly fixed with an adhesive or the like, or may not be fixed and may remain in the fitted state.

Then, during the process of assembling the assembling type frame body 2, when the first pivot hole 31 of the lid body 3 is fitted into the pivotally mounting pin 21f provided on the pair of support columns 21 on one side, The lid main body 3 is pivotally attached at one side at an open upper surface of the prefabricated frame body 2 and has a free end edge on the other side of the pair of column portions 2.
It is received by the receiving piece 21g of No. 1. Therefore, the lid main body 3 is in an openable and closable state at the upper surface open portion of the assembly-type frame body 2.

On the assembly-type frame body 2, it is possible to position and fix each column portion 21 on the upper edge of the assembly-type frame body 2 and to provide an upper surface member 4 for reinforcing the assembly-type frame body 2 itself. The upper surface member 4 is made up of four flat bar members 41 and has a length equal to the interval between the adjacent column parts 21, and thin joint parts 42 are provided at both ends of each bar member 41. A second fastening hole 43 is provided at 42.

Therefore, each of the rod members 41 is attached to each of the supporting columns 2
1 is placed between the upper edges of the rods 41, the joint portions 42 of the rods 41 that are adjacent to each other at a right angle are overlapped with each other, the upper and lower second fastening holes 43 are communicated with each other, and the first bolts 44 are passed from the upper side. When the fastening hole 21e is penetrated and the lower surface of the upper collar portion 21c is tightened in series with a nut (not shown), the assembled frame body 2 incorporating the upper surface member 4 can be configured. Therefore,
The upper surface member 4 not only positions and fixes the support columns 21, but also reinforces the assembled frame body 2 and supports the upper surfaces of the side wall portions 22.

Then, in the lower surface opening portion of the assembling type frame body 2,
The bottom plate 7 can also be provided. The bottom plate 7 is a flat plate made of metal, synthetic resin or resin concrete.
A third fastening hole 51 corresponding to the first fastening hole 21e of the column portion 21 is formed at one corner.

Therefore, the bottom plate 7 is arranged on the lower surface of the assembled frame 2 and the first fastening holes 21e are provided.
The third fastening hole 51 and the first fastening hole 21e.
When the second bolt 52 is inserted through the third fastening hole 51 in series and tightened with a nut (not shown) on the lower surface of the bottom plate 7, the lower surface open portion of the assembled frame body 2 is closed by the bottom plate 7. can do.

The assembly type frame body 2 in which the bottom plate 7 is assembled on the lower surface is embedded in the ground, and a water supply pipe can be installed on the upper surface of the bottom plate 7 by passing a water supply pipe through the insertion hole 22d of each side wall portion 22b.

The bottom plate 7 may be in the shape of a shallow dish frame having an outer flange on the upper edge, as in the case of the conventional water meter housing lower frame.

In the second embodiment of the present invention shown in FIGS. 5 and 6, the intermediate support column 211 is located at a substantially central position in the lateral width direction of the assembled frame body 2.
Is provided, and the first side wall portion 22a is provided between the support column portion 21 and the intermediate support column portion 211 so as to be locked to form the assembled frame body 2.

As shown in FIG. 7, the intermediate strut portion 211 has an intermediate concave groove 2 on the left and right side edges of a vertical plate-shaped intermediate column member 211a.
11b is provided, an intermediate lower collar portion 211c is provided at the lower end, and an intermediate fastening hole 211d is provided in the intermediate lower collar portion 211c. In addition, above the intermediate pillar member 211a,
The intermediate support piece 211e is provided and the intermediate column member 21
An intermediate fastening hole 211d is also provided at the upper end of 1a.

Then, it is arranged at the corner of the assembling frame 2 4
On the inner surface above the column portion 21 of the book, the receiving piece 21g in the first embodiment is not provided, but the pin 21f is provided. Further, a frame-shaped lower surface member 5 having a size matching the lower surface is provided on the lower surface of the assembly-type frame body 2. The lid main body 3 in the second embodiment has a top surface open portion of the assembly-type frame body 2
It is composed of a width that closes with one sheet.

In the second embodiment of the present invention, the other reference numerals not described have the same configurations as the same reference numerals in the first embodiment, and thus detailed description thereof will be omitted.

Therefore, in order to assemble the assembly type frame body 2 in the second embodiment of the present invention, the support columns 21 are positioned at the corners of the assembly type frame body 2 and the intermediate support columns are located at the center positions of the longitudinal side surfaces. 211 is provided so that the first side wall portion 22a can be locked between the column portion 21 and the intermediate column portion 211, and the second side wall portion is engaged between the adjacent column portions 21 in the lateral direction. The assembly-type frame body 2 is assembled so that it can be stopped.

In addition, the lid main body 3 is disposed on the left and right sides of the upper surface opening portion of the assembling type frame body 2, and is pivotally attached along the lateral side edge by the pin 21f, and the free end edge is assembling type. The middle receiving piece 2 is brought into a butted state at the center of the frame body 2.
Take it with 11e.

Then, as in the first embodiment, the upper surface member 4 is attached to the upper edge of the assembled frame body 2 assembled as described above and is fastened with the first bolts 44 to fix each of the support columns 21. Positioning, fixing and reinforcing at the upper end of the intermediate strut portion 211, and positioning and fixing and reinforcing at the lower end by providing the frame-shaped lower surface member 5 at the lower edge and tightening with the second bolt 52. it can.

In the assembled frame 2 assembled in this way, the lower surface side is opened by the frame-shaped lower surface member 5,
As shown in FIG. 6, it may be installed on the upper surface of the water meter housing lower frame 101 and fixed in series by the second bolt 52. In addition, the water supply pipe is passed through the water meter housing lower frame 101 to install the water meter inside.

Therefore, according to the second embodiment of the present invention, since one side wall portion facing the other is elongated through the intermediate support portion 211, when a relatively large water meter is housed inside. In addition, the conventional water meter housing lower frame can be used as it is as the lower frame.

The third embodiment of the present invention shown in FIGS. 8 and 9 has a structure in which a plurality of horizontal members 221 are vertically stacked as the first side wall 22a and the second side wall 22b. In FIGS. 8 and 9, the other unexplained reference numerals are
Since it has the same configuration as the same reference numeral in the first embodiment, detailed description thereof will be omitted.

In the third embodiment of the present invention, the cross member 2
21 is a pipe material formed of synthetic resin, metal or the like,
The horizontal members 221 having a desired length are vertically stacked,
If necessary, the contact portions of the upper and lower horizontal members are fixed with an adhesive to form the side wall portion 22. Therefore, the side wall portion 22 having the above-described structure is locked between the pillar portions 21, but according to the third embodiment, the side wall portion 22 is formed depending on the number of the cross members 221.
The height can be adjusted, and if a pipe material is used as the cross member, a side wall portion having high pressure resistance can be formed. And the assembly type frame body 2 of the third embodiment is installed and used on the upper surface of the conventional water meter housing lower frame 101 as in the case of the second embodiment.

The horizontal member 221 constituting the side wall portion 22 of the third embodiment is a square pipe member as shown in FIG. However, the horizontal member 221 may be a round pipe material as shown in FIG. 10A, or a square pipe having a convex portion 222 on the upper surface and a concave portion 223 on the lower surface as shown in FIG. 10B. It may be a material, or a round pipe material having a recess 223 formed on the upper surface as shown in FIG.

The horizontal member 221 has the convex portion 222 and the concave portion 223.
Etc. are formed, the recesses 22 are formed in the state where the horizontal members are stacked.
3 and the convex portion 222 are engaged with each other, the strength of the side wall portion 22 can be increased, and by adhering the contact portion of the cross member, the strength can be further increased to withstand the earth pressure from the outside. You can

In the embodiment shown in FIG. 11, the ridges 21h are formed on the left and right side edges of the column 21, and the side edges of the side wall 22 are formed.
Recessed groove 22e into which the protruding portion 21h can be fitted
Is formed. Therefore, when the side wall 22 is locked between the support columns 21, the groove 22 of the side wall 22 is
Since the e is locked to the ridge 21h of the column 21, the column member 21a can be thinned.

The present invention has been described above based on the embodiments shown in the drawings, but the present invention is not limited to the above embodiments, and can be carried out in any manner as long as the configuration described in the claims is not changed. You can For example, the engagement between the column portion and the side wall portion is not limited to the protruding portion and the recessed groove, but they may be superposed and fixed with a bolt and a nut. Also,
The column portion, the upper surface material, and the lower surface material may be integrated by other means instead of the bolt and the nut. Further, the intermediate support columns may be provided on the four side wall sections, or two intermediate support sections may be provided between adjacent support sections to form a large-sized frame body.

[0041]

In summary, the present invention provides an assembling type frame body whose upper and lower surfaces are opened by four pillar portions arranged at the corners of a quadrilateral and side wall portions provided by engaging adjacent pillar portions. Since it is configured, use the same size of the column for any size of frame, and make the width of the frame and the size of the frame freely by adjusting the variations in the length of the side wall. You can As a result, it is not necessary to manufacture a frame body of a plurality of sizes with a mold, so that there is no waste related to the mold for manufacturing, and the side wall part has a necessary minimum strength in addition to the support part. Since it is possible to use a commercially available product that is good, lightweight and inexpensive, it is possible to reduce the weight and cost of the frame body as a whole.

Since it can be assembled at the installation site extremely easily and in a short time, it can be stored or transported without being assembled and is not bulky, and waste of work time and labor in construction can be eliminated. You can

Further, since the supporting column and the side wall can be assembled by engaging the concave groove and the convex section, anyone can easily and quickly assemble without requiring skill, and the supporting column can be assembled. Since an intermediate support portion is provided between the support portions, the support portion is reinforced, so that a large-sized frame body can be formed. Further, by providing the upper surface material and the lower surface material on one or both of the upper edge and the lower edge of the pillar portion, each pillar portion is positioned and firmly fixed, which is of high practical value. .

In addition, a plurality of cross members are vertically stacked on the side wall.
Since it can be configured in layers, depending on the number of cross members
The height of the side wall can be adjusted, and it can also be used as a cross member.
If you use the ip material, you can configure the side wall with high pressure resistance.
be able to.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of FIG.

FIG. 3 is a plan view showing a part of FIG. 1 as a cross section.

4 is a cross-sectional view taken along the line AA of FIG.

FIG. 5 is a plan view in which a part of a second embodiment of the present invention is shown in section.

6 is a cross-sectional view taken along the line BB of FIG.

FIG. 7 shows an embodiment of an intermediate support column, (A) is a perspective view,
(B) is a plan view and (C) is a cross-sectional view taken along line CC of (B).

FIG. 8 is a front view, partly in section, showing a third embodiment of the present invention.

FIG. 9 is a partially exploded perspective view of a third embodiment of the present invention.

10 (A), (B), and (C) are partial perspective views of an embodiment in which horizontal members are vertically stacked to form a side wall portion.

FIG. 11 is a plan view of a part of another embodiment showing the engagement state of the side wall portion and the column portion.

[Explanation of symbols]

1 Underground structure housing 2 Assembled frame 3 Lid body 4 Top material 5 Bottom material 7 Bottom plate 21 Support 21a pillar member 21b concave groove 21c Upper collar part 21d Lower collar part 21e First fastening hole 21f pin 21g receiving piece 21h ridge 22 Side wall 22a First side wall 22b Second side wall 22c ridge 22d insertion hole 22e Recessed groove 31 First pivot hole 41 Rod 42 joint 43 Second fastening hole 44 First bolt 51 Third fastening hole 52 Second bolt 101 Water meter housing lower frame 211 Intermediate support 211a Intermediate pillar member 211b Intermediate concave groove 211c Middle lower collar part 211d Intermediate fixing hole 211e Intermediate receiving piece 221 horizontal material 222 convex 223 recess

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) G01F 15/14 G01F 15/18 E03B 7/07 E03B 9/10

Claims (4)

(57) [Claims] 1. A prefabricated frame of underground construction for housing the upper and lower surfaces are opened, the prefabricated type frame body, the corners of at least quadrilateral shape a quadrilateral shape in plan view, the knockdown frame Width and
Side walls provided with a column having the same size regardless of the size of the depth and provided between the column and the column
Form a groove on either side of the
The ridge that fits into the groove is formed and the groove
Knockdown frame of underground construction for enclosure and providing a pre-Symbol sidewall portion between the strut by the locking. 2. An intermediate strut portion is provided between the strut portions,
The side wall should be locked between the column and the intermediate column.
The assembly-type frame body for the casing for an underground structure according to claim 1, which is provided in the . 3. Each support is provided on the upper edge or the lower edge of the support column.
Either upper surface material or lower surface material for positioning and fixing the pillar
Or the assembly-type frame body of the enclosure for underground structures according to claim 1 or 2 to which both are attached . 4. The side wall portion includes a plurality of horizontal members vertically arranged.
The assembly-type frame body of the casing for an underground structure according to any one of claims 1 to 3, which is laminated .