JP2965899B2 - Piping structure in road surface snow melting system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road surface snow melting system which is constructed directly on a road or is buried in a road to be melted by spraying snow on the road surface, and particularly, a piping structure of snow melting water. It is about.

[0002]

2. Description of the Related Art In general, a snow-melting road that melts snow on a road surface by spraying water has a groove formed in the center of the road and a water pipe (snow-eliminating pipe) disposed at the bottom of the groove. The sprinkler nozzle is connected to a branch pipe that branches from the water pipe at predetermined intervals, and concrete is poured into the groove so that the spray port (top surface) of the sprinkler nozzle is exposed on the road surface. It is.

[0003] In addition, since the construction work described above deteriorates traffic conditions on roads, in order to shorten the construction period, a snow removal block in which water pipes, branch pipes, and watering nozzles buried in trenches are integrated with concrete or the like in advance. It is also known that the blocks are buried in trenches dug in the road, and the blocks are connected to form a snow-free road.
-13459, JP-A-60-25831).

[0004] The pipe diameters of the water pipe and the branch pipe are as follows:
It is performed in various combinations depending on the amount of water supply at the location and the standard of the watering nozzle to be used, etc.If a metal pipe is used for both, a connection hole is drilled in the water supply pipe, and the branch pipe is Can be easily formed by welding. However, when metal pipes are employed, the problem of corrosion cannot be avoided, and red rust often occurs mainly due to snowmelt water that uses groundwater.

At present, PVC pipes are frequently used, and the connecting means is to fit a branch pipe into the connection hole and weld it with PVC, or to engrave screws on the inner surface of the connection hole to form an outer periphery of the branch pipe. Screws were engraved on the surface, and they were connected by screwing.

However, when the above-mentioned PVC pipe is adopted, there is a problem that the connection strength between the water supply pipe and the branch pipe is reduced. That is, the strength is low in the case of PVC welding, and in the screw connection, the screw surface has only the thickness of the tube, which also has a problem in strength. Therefore, the present invention proposes an improvement in a connection structure between a water supply pipe and a branch pipe when a PVC pipe is employed.

[0007]

SUMMARY OF THE INVENTION A pipe structure in a road surface water-melting snow melting system according to the present invention has a socket pipe portion into which a branch pipe is inserted and fitted around the socket pipe portion to an outer peripheral surface of a water pipe. A socket body having a flange plate portion is formed, the socket body is fixed by adhesion between the connection hole around the water supply pipe and the flange plate portion, and a branch pipe is connected to the socket pipe portion. .

Further, in the above-mentioned piping structure, a screw is formed on the inner peripheral surface of the socket pipe portion, and a branch pipe is screwed and mounted.

Therefore, the socket body can be firmly fixed to the water supply pipe, and the connection between the socket body and the branch pipe can be made robust, so that the problem of strength when a PVC pipe is adopted has been solved.

[0010]

Next, an embodiment of the present invention will be described. Road surface water-melting snow system that is the subject of the present invention,
A water pipe 1 buried on the same road surface as the previous system;
A branch pipe 2 and a watering nozzle 3 are provided, and a socket body 4 is further used in addition to the piping structure unique to the present invention.

The basic construction of the road surface water-melting snow melting system is as follows. A water pipe (snow-elimination pipe) 1 arranged in a groove at the center of a road is provided with a branch pipe 2 which branches at predetermined intervals and rises.
Is attached to the bottom fitting part of the watering nozzle 3 and the branch pipe 2
Is connected to the upper end of the water spray nozzle so that the injection port (top surface) of the water spray nozzle is further exposed to the road surface B. Of course, the water supply pipe 1 and the branch pipe 2 are PVC pipes.

In the above-mentioned snow melting system, the socket body 4 is used for connecting and branching the water pipe 1 and the branch pipe 2, and the socket body 4 has a socket pipe portion 21 into which the branch pipe 2 is inserted. And a flange plate portion 22 having a shape that is in close contact with the outer peripheral surface of the water pipe 1 around the socket pipe portion 21.
In particular, a screw 23 is engraved on the inner peripheral surface of the socket tube portion 21. Then, a connection hole 11 having a predetermined diameter is formed at a connection position of the branch pipe 2 of the water supply pipe 1, and a peripheral portion of the connection hole 11 and a flange plate portion 22 are adhered to each other by using an appropriate adhesive. 4
Is fixed to the water pipe 1. The branch pipe 2 has a screw 21 engraved on a peripheral surface of a lower portion thereof, and is screwed and connected to the socket pipe portion 41. At the time of the screwing, the screw portion is coated with a watertight agent in advance so as to have a watertight structure.

Therefore, since the socket body 4 and the water pipe and the socket body 4 and the branch pipe 2 can be firmly connected to each other, there is no problem in the branching from the water pipe 1 by the branch pipe 2 in strength.

Further, the structure of the socket body 4 is not limited to the above embodiment. When the lower end of the socket tube portion 41 is extended to project below the flange plate portion 42, the projecting portion Since the portion 44 can be fitted, the connection operation between the water pipe 1 and the socket body 4 can be easily and accurately performed. As illustrated in FIG. 5, a rib 45 may be provided between the socket tube portion 41 and the flange plate portion 42 to further increase the strength.

Further, the present invention can be applied to a case where a snowmelting block in which a water pipe, a branch pipe and a watering nozzle is integrated with concrete or the like is used without building a snowmelt watering system directly on a road surface. A socket body may be used for connecting the branch pipe.

[0016]

As described above, according to the present invention, in the road surface snow melting system, when the water pipe and the branch pipe are branched and connected, the socket pipe part into which the branch pipe is inserted and the periphery of the socket pipe part are fitted. With a piping structure with a socket body with a flange plate shaped to be in close contact with the outer peripheral surface of the water pipe, the branch connection part is made robust, and water leakage from the location, snow damage accident of the branch pipe during construction, etc. This has facilitated road surface construction and the production of snow-absorbing blocks.

[Brief description of the drawings]

FIG. 1 is a perspective view of a socket body according to an embodiment of the present invention.

FIG. 2 is a sectional view of the same.

FIG. 3 is an exploded explanatory view of a system using the socket body.

FIG. 4 is a sectional view of a snowmelt watering system using the socket body.

FIG. 5 is a perspective view of another example of the socket body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Water supply pipe 11 Connection hole 2 Branch pipe 21 Screw part 3 Watering nozzle 4 Socket body 41 Socket pipe part 42 Flange plate part 43 Screw part 44 Projection part 45 Rib

Claims (2)

(57) [Claims] 1. A water spray nozzle having a water pipe buried on a road surface or a water pipe in a snow-absorbing block installed on a road surface, which rises at a predetermined interval, branches off a branch pipe, and has an outlet for snowmelt water on a top surface. Is connected to the branch pipe, and in a road surface snow melting system in which only the top surface of the watering nozzle is exposed on the road surface or on the upper surface of the block body, in one or both of the water supply pipe and the branch pipe, Using a PVC pipe with a predetermined diameter, drilling a connection hole with a predetermined diameter at the branch pipe connection position,
A socket body having a socket pipe portion into which the branch pipe is inserted and a flange plate portion having a shape closely contacting the outer peripheral surface of the water pipe around the socket pipe portion, and a peripheral portion of the connection hole, a flange plate portion, A pipe structure in a road surface water spray snow melting system, characterized in that a socket body is fixed by adhesion of a pipe and a branch pipe is connected to the socket pipe section. 2. A road surface according to claim 1, wherein a screw is carved on the inner peripheral surface of the socket tube portion, and a branch tube is screwed and mounted. Piping structure in the water spray snow melting system.