JPH04131Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a structure for preventing freezing and destruction of water volume in relation to a water meter casing.

[Conventional technology]

Some conventional cold-resistant water meter cases have insulation material on the back side of the lid and side walls, but if cold air enters through the gap in the lid or stays at low temperatures for a long period of time, it may leak through the insulation material. The heat inside will be absorbed and the temperature inside the case will drop below 0℃. In addition, to prevent this, there are cases where the inside of the case is partitioned into upper and lower parts with a heat insulating board to prevent cold air from entering from above, and cases where a peephole is drilled in the heat insulating board and an inner lid is provided. However, there is a problem in that it is time-consuming because the insulation board and inner cover must be removed one by one when reading the meter.

[Problem that the invention attempts to solve]

In view of the above-mentioned problems, the present invention attempts to make it possible to easily read the meter without removing the heat insulating board, even though the meter is partitioned into upper and lower parts by a heat insulating board.

[Means for solving problems]

The present invention consists of a water meter housing that houses the water meter, a heat insulating plate that vertically partitions this housing, and a water meter that stands upright in a through hole formed in the heat insulating plate facing above the water meter. It consists of a peep pipe inserted into the peep pipe, and upper and lower transparent lids fixed to the upper end of the peep pipe through a space. This prevents any intrusion from entering the water meter side below the insulation board, and the top surface of the water meter can be seen through the peep pipe inserted upright into the hole in the insulation board, so the insulation board can be used when reading the meter. This eliminates the trouble of removing each item, and prevents dirt, etc. on the insulation board from falling onto the water meter using the peeking pipe protruding from the insulation board. The transparent lid prevents cold air from entering the water meter from the top end of the peep pipe, and the upper and lower transparent lids fixed through the space prevent cold air from entering the water meter from the top end of the peep pipe. The purpose is to prevent the image from becoming cloudy.

[Effect]

In the present invention, a heat insulating plate that vertically partitions the water meter housing blocks cold air from entering through the gap between the housing and the lid plate, thereby preventing the water meter stored below from freezing. In addition, the top surface of the water meter can be seen through the peep pipe inserted through the hole in the insulation board, and the peep pipe protruding from the through hole allows dirt on the insulation board to pass through the hole onto the water meter. Prevent from falling. Also,
The transparent lid of the peep pipe allows the scale plate of the water meter to be seen through the peep pipe and prevents cold air that has entered the housing from being introduced into the peep pipe, and furthermore, a sealed space is provided between the upper and lower transparent lids. This prevents the transparent lid from fogging up due to the temperature difference between the outside air and the inside of the peep pipe.

〔Example〕

Embodiments of the present invention will be described with reference to the accompanying drawings.

Reference numeral 1 denotes a water meter housing, which is composed of a surrounding frame 3 with a heat insulating material 2 interposed therebetween, a lid plate 5 lined with a heat insulating material 4, and a bottom plate 6.

The housing 1 is divided into upper and lower parts by a heat insulating plate 7.
The water meter 8 is housed in the lower chamber partitioned by the water meter 8, and the water pipes 9, 9 of the water meter 8 are connected to the water pipe through holes 10, 10 of the surrounding frame 3.
It is derived from Further, a stop valve 11 is provided in the middle of the water pipe 9 approaching the water meter 8.

A through hole 12 is formed in the heat insulating plate 7 at a position above the water meter 8, through which the scale plate on the top surface of the water meter 8 can be seen.
is vertically inserted and fixed, the lower end of the sight pipe 13 is opened close to the scale plate of the water meter 8, the upper end is opened close to the cover plate 5, and two transparent acrylic resin plates are installed near the upper end. The lids 14, 14 are adhesively fixed with a space between them above and below, and the pressure in the space 17 is reduced.

Further, the bottom of the water meter 8 is supported by a heat sink 15, and a heat pipe 16 protruding downward from the heat sink 15 penetrates the bottom plate 6 of the housing 1 and is pushed deep into the ground. A heat medium such as chlorofluorocarbon gas is sealed in the heat pipe 16, absorbs geothermal heat, evaporates, radiates heat in contact with the heat radiating plate 15 at the upper end, condenses, and flows down. This process is repeated.

Next, the operation of this embodiment will be explained.

The water meter 8, which is housed in the lower chamber of the housing 1 partitioned by a cross-sectional plate 7, is blocked from cold air from the gap between the housing 1 and the cover plate 5, as well as from the heat pipe 16 inserted underground. Since the heat radiating plate 15, which absorbs geothermal heat through the heat dissipation of the heat medium, contacts the bottom of the water meter 8 and transmits the geothermal heat, the water in the water meter 8 is prevented from freezing.

Furthermore, when reading the meter of the water meter 8, by opening the lid plate 5 and looking into the sight pipe 13, the scale plate of the water meter 8 below can be read through the transparent lid 14, and the sight pipe 13 is transparent. Because of this, the surrounding light will not be blocked, and the scale plate of the water meter 8 facing the lower end will not be darkened. Also,
When the transparent cover 14 above the peep pipe 13 comes into contact with cold air on the ground, the insulating effect of the space 17 prevents the transparent cover 14 from fogging up due to the temperature difference between the outside air and the inside of the peep pipe 13, making the peep pipe 13 transparent. Since it is closed with a lid 14, cold air that has entered the upper chamber of the housing 1 is prevented from entering the peek pipe 13.
Furthermore, even if dirt or other debris gets into the casing 1 when the cover plate 5 is opened or closed, the peep pipe 1 is
3 protrudes, there is no chance of the water falling from the through hole 12 onto the water meter 8. Also peep pipe 1
By bringing the upper end of the water meter 3 closer to the lid plate 5 and the lower end closer to the scale plate of the water meter 8, it is possible to prevent dust and the like from falling onto the transparent lid 14 and the scale plate.

In the above embodiment, the heat insulating plate 7 is provided in only one stage, but if the casing 1 is deep, two or more stages may be provided.

[Effect of idea]

According to the present invention, there is provided a water meter housing that houses the water meter, a heat insulating plate that vertically partitions this housing, and a through hole formed in the heat insulating plate facing above the water meter. Since it consists of a peep pipe that is inserted upright and a hollow transparent lid that is fitted to the top end of this peep pipe, the water meter housing has a lid plate side at the top end and a side where the water meter is housed. Cold air that is blocked by the heat insulating plate and intervenes through the gap between the casing and the lid can be prevented from entering the water meter, thereby preventing the water meter from freezing. In addition, a through hole was formed in the heat insulating board facing above the water meter, and a peep pipe was inserted into this hole, so that the instrument panel of the water meter could be seen through the peep pipe. This saves you the trouble of removing it.
Furthermore, since the inspection pipe is protruded from the through hole of the heat insulating board, dirt and the like that have fallen onto the heat insulating board will not fall from the through hole onto the water meter. Furthermore, the transparent cover at the top of the peep pipe prevents cold air that has entered the housing from being introduced into the peep pipe and moving to the water meter side, and also prevents the cold air from entering the peep pipe and transferring to the water meter side through the transparent lid. You can see through the board,
Furthermore, since there is a space between the upper and lower transparent lids, it is possible to prevent fogging due to the temperature difference between the outside air and the inside of the sight pipe during meter reading.

[Brief explanation of the drawing]

The figure is a longitudinal sectional front view of a water meter housing showing an embodiment of the present invention. 1...Water meter housing, 7...Insulation board, 8...Water meter, 12...Through hole, 13...Peep pipe, 14...
...Transparent lid.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A water meter casing that houses a water meter, a heat insulating plate that vertically partitions this casing, and a portion of the heat insulating board that faces above the water meter. A water meter housing characterized by comprising a peep pipe inserted vertically into a formed through hole, and a transparent lid vertically fixed near the upper end of the peep pipe through a space. (2) The water meter housing according to claim 1, wherein the peek pipe has an upper end located near the upper end of the water meter housing and a lower end located near the top surface of the water meter housing.