JPH09189054A - City water meter pit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate installation the work and make convenient the operation. SOLUTION: A city water mater pit 1 surrounds a city water meter, and buried in the ground. It comprises a main box 3 upper surface of which is opened toward a ground surface 2 and a cover 8 which covers the opened part openably. A cover receiving frame 9 which is extended along the peripheral edge of the opened part, provided with an angle-shaped section comprising a leg piece 9a along the inner surface of the side wall 5a of the main box 3 and a leg piece 9b along the upper end surface of the side wall 5a, and separated from the main body 3. Then the cover receiving frame 9 is connected to the cover 8 through a hinge member, and the hinge member is screwed fixedly to at least either of the cover receiving frame and cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water meter box which surrounds a water meter and is buried in the ground with its upper surface facing the ground surface.

[0002]

2. Description of the Related Art Normally, a water meter is installed underground,
In order to enable measurement from the surface of the earth, such a water meter is surrounded by a box (cell) which is opened in the ground surface and embedded in the ground, and the opening is provided in the box. A lid that can be opened and closed is provided.

Conventionally, in such a water meter basin, it has been customary to integrally provide a flange on the peripheral edge of the opening of the box and simply mount the lid on the flange.

[0004]

[Problems to be solved] From the viewpoint of appearance, stability, etc., it is necessary to arrange the lid horizontally following the ground surface.
For this purpose, the box body must be buried in the ground in a correct posture so that the upper surface of the box body is horizontal, which requires close attention to the burying work, resulting in an increase in the number of steps.

Further, the lid that is simply placed on the box body is easily displaced and is inconvenient in opening and closing.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and in the present invention, the water meter is surrounded and embedded in the ground so that the upper surface is an opening facing the surface of the earth. In a water meter box comprising a main body box and a lid which covers the opening portion so as to be openable and closable, between the main body box and the lid, extending along a peripheral edge of the opening portion, and an inner surface of a side wall of the box body. Has a mountain-shaped cross section composed of a leg piece extending along the side wall and a leg piece extending along the upper end surface of the side wall, and a box receiving frame separate from the main body box is interposed.

According to the present invention, even if the main body box is buried with a slight inclination and the opening surface at the upper end is not horizontal, the lid receiving frame is arranged horizontally to ensure the horizontality of the lid. You can Since the lid receiving frame has a leg piece along the inner surface of the side wall of the main body box, as long as this leg piece does not come off from the inner surface,
The surrounding earth and sand will not enter the cell. Therefore,
When installing the main body box, it is not necessary to pay more attention than it is on the slope, so the construction becomes easy.

In the present invention, the lid receiving frame and the lid are connected via a hinge member, and the hinge member is screwed to at least one of the lid receiving frame and the lid.

With this arrangement, the lid will not be displaced from the main body box, and the opening / closing operation of the lid will be facilitated. further,
Since this hinge member is screwed to at least one of the lid receiving frame and the lid, the lid can be easily attached and the lid and the lid receiving frame can be easily separated by removing the screw when replacing the lid. be able to.

[0010]

1 is an end view of a water meter box 1 as an embodiment of the present invention. In the figure, reference numeral 2 denotes the ground surface, and the masu 1 is buried in the ground with its upper surface facing the ground surface 2. FIG. 2 is a sectional view taken along the line II-II in FIG.

The main body box 3 which is the main body of the box 1 is composed of a main body lower box 4 and a main body upper box 5, which are made of cast iron. The main body lower box 4 has a quadrangular dish shape that has a bent bottom wall 4a and opens upward (FIG. 2), and a plurality of drain holes 6 are formed in the bottom wall 4a (FIG. 5). The upper box 5 of the main body has a quadrangular frame shape that opens vertically, and has four side walls 5
The lower end surface of a is brought into contact with the upper end surface of the side wall 4b of the lower body box 4 to form a substantially rectangular body box 3 together with the lower body box 4.

On both end surfaces of the main body box 3, a semicircular notch formed on the upper side of the lower body box 4 and a semi-circular cutout formed on the lower side of the upper body box 5 in alignment with the notch. With the circular notch, the round conducting holes 7, 7 are formed,
The water pipe on the downstream side is inserted into the main body box 3 through one of the through holes 7 and is connected to the inlet and the outlet of the water meter in the main body box 3, respectively. Not at all.

The upper opening of the upper box 5 of the main body, that is, the opening 3a of the main body box 3 faces the ground surface 2 almost on the same plane, and the instruction of the water meter is read through the opening. In order to prevent foreign matter from falling into the main body box 3 and intrusion of rainwater or the like, the opening 3a is normally closed by a lid 8.

However, the lid 8 is not directly placed on the upper surface of the body box 3, and the lid receiving frame 9 is interposed between the lid 8 and the body box 3. The lid receiving frame 9 extends along the peripheral edge of the opening 3a of the main body box 3, that is, along the upper end of the side wall 5a of the upper main body box 5, and its cross-sectional shape is such that the leg sides 9a and the side wall 5a along the inner surface of the side wall 5a.
And a leg piece 9b extending along the upper end surface of the.
The lid receiving frame 9 is separated from the main body box 3, and anchors 10 formed by projecting outward at each central portion of its four sides are installed in the ground or in the surrounding ground in order to fix the main body box 3 in the ground. It is fixed in place by burying it in the concrete or mortar 11 that is cast. A tile 18 is horizontally stretched on the upper surface of the mortar 11, and the ground surface 2 is formed by the surface of the tile 18. The lid receiving frame 9 is installed so that its upper surface is flush with the ground surface 2.

A frame-shaped joint material 12 along the outer edge of the quadrangle is placed and fixed on the upper surface of the leg piece 9b of the lid receiving frame 9 to form a part of the lid receiving material 9. The lid 8 is fitted into the inside surrounded by the material 12, and is placed and supported on the leg side 9b of the lid receiving frame 9. A reinforcing girder 13 extending in the longitudinal direction is integrally formed at the center of the back surface of the lid 8, and a heat insulating material 14 such as foamed polyethylene is provided over the entire back surface.
Is stretched. The lid 8, the lid receiving frame 9 and the joint material
12 is made of stainless steel and has an excellent aesthetic with the tile 18. The joint material 12 is a tile surface, that is, the ground surface 2
Since it projects from above, it effectively prevents the mud, water, etc. on the ground surface from entering the main body frame 3 through the gap of the lid 8.

A lid 8 placed and supported on a lid receiving frame 9.
Is further openably and closably connected to the lid receiving frame 9 via a stainless steel hinge member 15 (FIGS. 4 and 6). 6 is a partial cross-sectional view taken along the line VI-VI of FIG. 4, where (a) shows the lid 8 closed and (b) shows the lid 8 somewhat open. Notches 19 corresponding to each other on the lid 8 and the leg pieces 9b of the lid receiving frame 9
a and 19b are provided, and the hinge member 15 is attached to the notch. And one swinging piece 15 of the hinge member 15
Although a is provided along the back surface of the lid 8 and welded to the back surface, the other swinging piece 15b extends inward along the leg piece 9b of the lid receiving frame 9 and then bends downward to form a leg. Along the inner surface of the piece 9a, a screw 16 is detachably screwed to the leg piece 9a. As shown in FIG. 3, between the lid 8 and the lid receiving frame 9,
A chain 17 may be provided to control the maximum open position of the lid 8.

In the above water meter box 1, the lid receiving frame 9 is interposed between the lid 8 and the main body box 3, and the lid receiving frame 9 is separated from the main body box 3 and is separate from the main body box 3. To anchor
Since it is installed and fixed on the ground by 10, for example, even if the main body box 3 is tilted and buried as shown in FIG. 7 and its upper surface 3a is tilted with respect to the horizontal plane, When the lid receiving frame 9 is held horizontally on the upper end surface of the main body box 3 and the mortar 11 is placed around it, the lid receiving frame 9 is fixed in the horizontal state by the anchor 10, and thus the lid 8 is also placed horizontally. As a result, a good appearance and stability are ensured.

The lid receiving frame 9 has a leg piece 9a extending along the inner surface of the side wall 5a of the upper box 5 of the main body.
As long as it does not move upward beyond the upper end of “a”, the mortar to be placed and the surrounding earth and sand will not enter the masu 1. Therefore, when burying and installing the main body box 3, it is not necessary to pay attention to the inclination of the main body box 3 to some extent, which facilitates the construction and reduces the number of steps.

Further, as described above, since the lid 8 is connected to the lid receiving frame 9 via the hinge member 15, the lid 8 is not displaced from the main body box 3 when the lid 8 is opened / closed, and the opening / closing operation is performed. It becomes easy itself.

Further, the hinge member 15 is formed by screwing the swinging piece 15b.
Since it is screwed to the lid receiving frame 9 by 16, the lid receiving frame 9
It is easy to attach the lid 8 to the lid, and the lid 8 and the lid receiving frame 9 can be easily separated by removing the screw 16, and thus the lid 8 is completely removed from the box 1 to facilitate various kinds of work. Moreover, the replacement work of the lid 8 can be performed efficiently. For this purpose, the swinging piece 15a may be screwed to the lid 8 and the swinging member 15b may be welded to the lid receiving frame 9, or both swinging pieces 15a and 15b may be screwed to the other side. You may.

[Brief description of the drawings]

FIG. 1 is an end view of a water meter cell according to the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a top view of the water meter square.

FIG. 5 is a plan view of a lower box of the main body.

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

FIG. 7 is a cross-sectional view showing the relationship between the main body box and the lid that are installed at an angle.

[Explanation of symbols]

1 ... Masu, 2 ... Ground surface, 3 ... Main body box, 4 ... Main body lower box, 5 ...
Main body upper box, 6 ... Drainage hole, 7 ... Conduction hole, 8 ... Lid, 9 ... Lid receiving frame, 10 ... Anchor, 11 ... Mortar, 12 ... Joint material, 13 ... Reinforcing girder, 14 ... Heat insulating material, 15 ... Hinge member , 16 ... screw, 17 ... chain,
18 ... tiles, 19 ... notches.

Claims (2)

[Claims] 1. A water meter box comprising a main body box which surrounds a water meter and is embedded in the ground and has an upper surface facing the ground surface, and a lid which covers the opening portion so as to be openable and closable. Between the lid and the lid, extending along the peripheral edge of the opening, has a mountain-shaped cross section consisting of leg pieces along the inner surface of the side wall of the main body box and leg pieces along the upper end surface of the side wall, Further, a water meter box having a lid receiving frame which is separated from the main body box. 2. The water meter box according to claim 1, wherein the lid receiving frame and the lid are connected via a hinge member, and the hinge member is screwed to at least one of the lid receiving frame and the lid.