JPS5842543Y2 - Upper block room for fire hydrants, etc. - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an upper block chamber such as a fire hydrant, which has a feature in the receiving frame portion.

Among the block chambers for fire hydrants, etc., the upper block chamber provided on the ground surface has a receiving frame, into which a lid is engaged.

Conventionally, the contact surface between the lid frame and the lid is flattened by cutting or other means to eliminate wobbling, but over many years of use, the growth of the casting material can cause distortions and distortions, resulting in deformation. arise.

This causes rattling and creates a problem in that noise is generated on roads due to the passing of cars and the like.

The present invention is an attempt to solve the problems of the conventional upper block chambers for fire hydrants and the like.

The purpose is to have a simple structure that will not rattle even if the receiving frame and lid become distorted or deformed due to long-term use.
To provide an upper block room for a fire hydrant, etc., which can prevent noise caused by running automobiles, etc., and maintain this condition for a long period of time.

The invention will be explained below by means of illustrated embodiments.

Reference numeral 1 designates a receiving frame portion, which is made of cast metal and formed into a frame shape with a mouth-shaped plan view, and a step portion 3 is formed on the inner lower band of each side wall 2,
Each upper surface serves as a lid receiving surface 4.

At four corners of the side wall 2 of the receiving frame portion 1, horizontal holes 5 are formed at positions including the lid receiving surface 4 of the stepped portion 3, into which a rubber plate 6, which will be described later, can be inserted from the side.

6 is a rubber plate serving as an elastic plate, and has a square shape with one corner cut out, and the notch 7 side is attached to the 4
It is inserted into each horizontal hole 5 at the corner.

The thickness of this rubber plate 6 is, for example, about 8 mm, and when it is inserted into the horizontal hole 5, its upper surface 8 is 3 degrees below the lid receiving surface 4.
The rubber plate 6 is assumed to have a protruding portion 9 from the side `JL5 to the outside of the receiving frame portion 1.

Reference numeral 10 denotes a block part, which is made of concrete and is formed into a mouth shape in a plan view so as to surround the receiving frame part 1, and when it is molded, the protruding part 9 of the rubber plate 6 is integrally wrapped in concrete.

Reference numeral 11 denotes a lid, which is made of cast metal and engages with the receiving frame portion 1, with its lower surface 12 protruding upward from the lid receiving surface 4; the upper surface 8 of the rubber plate 6;
It is possible to support it.

In the figure, 13 indicates a road surface.

In the above embodiment, a rubber plate is used as the elastic plate 6, but the cushioning material is not limited to this and may be a synthetic resin plate or other material as long as it has elasticity.

Further, the elastic plates 6 are desirably attached to the four corners of the receiving frame portion 1, but are not limited thereto, and may be provided at symmetrical positions at equal intervals.

Furthermore, the present invention is of course applicable not only to the upper block chamber of a fire hydrant, but also to other underground structures with lids, such as gate valve chambers and road surface manholes.

As described above, the present invention provides a rubber plate serving as an elastic plate 6 on the receiving frame 1 of an upper block chamber such as a fire hydrant so that its upper surface 9 is above the lid receiving surface 4, and also allows the elastic plate 6 to protrude. It is characterized in that the section 9 is surrounded by the concrete of the surrounding block section 10.

The present invention has the following effects.

(2) According to the present invention, an elastic plate is provided so as to protrude above the lid-receiving surface of the receiving frame so as to receive the lower surface of the lid.

Therefore, even if the cast frame and lid become distorted or distorted due to material growth due to long-term use, there is an elastic plate in between, so cars, etc. can pass over the lid. Even if a load is applied, the cushioning material can absorb it.

Therefore, there is no rattling as in the conventional case, and it is possible to prevent noise from being generated from the block chamber lid and receiving frame even when automobiles and the like pass by.

@ Moreover, in the present invention, the elastic plate is provided so as to protrude above the lid receiving surface, and the protrusion outside the receiving frame is covered with the concrete of the block part.

Therefore, unlike a case where the elastic plate is simply interposed between the receiving frame and the lid, it completely prevents the elastic plate from easily falling off due to opening/closing of the lid, vibration, etc. can.

Therefore, the above-mentioned noise prevention effect can be maintained for a long period of time.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a partially longitudinal front view, Fig. 2 is a plan view, and Fig. 3 is a perspective view of the main part. Drawing code: 1... Receiving frame portion, 2... Side wall, 4... Lid receiving surface, 5... Horizontal hole, 6...
...Elastic plate, 8...Top surface, 9...
Protrusion part, 10...Block part, 11...
···lid.

Claims (1)

[Scope of utility model registration request] In the upper stage/block chamber of a fire hydrant, etc., in which a receiving frame supported by the inner lid receiving surface of the lid is enclosed in a block made of Conchnaut, a plurality of holes 5 are formed in the receiving frame 1, and the holes 5 are formed in the receiving frame 1. 5
The elastic plate 6 is inserted into the frame 1 so that its upper surface 8 is the lid receiving surface 4 of the receiving frame 1.
It is characterized in that it is provided so as to be slightly upper, and the outward protruding portion 9 of the elastic plate 6 is integrally wrapped around the peripheral concrete block portion 10.
Upper block room for fire hydrants, etc.