JPH0541161Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is a concrete pole that is erected on the premises of each household, and is buried in a penetrating manner in the lower wall of the pole, and is pulled into the pole from the top of the pole. This invention relates to an outlet structure for pulling out a telephone line inserted into the ground, and is constructed to prevent earth and sand from entering into the pole.

[Conventional technology]

Conventionally, when a telephone line is brought into a house, the outdoor line is branched from an overhead cable supported by a support wire stretched between utility poles, and the tip of the outdoor line is attached to a support bracket outside the wall of the house. A cable or hook is attached to the structure to temporarily moor it, and the indoor wire and ground wire are connected via a lightning protector, and the indoor wire is led through a hole in the wall of the house.

[The problem that the idea aims to solve]

These conventional methods damage the wall surface of the house due to the installation of support fittings and hooks and the penetration of holes.
Furthermore, when the outdoor wires are blown by the wind, the load is applied to the wall of the house.Furthermore, the outdoor wires hanging in the air like this seriously spoil the beauty of the area around the house. A pole is erected on the premises of
It is known to connect an indoor line, pull the indoor line underground from the bottom of the pole, and bring it into the house while it is buried underground.

The present invention provides an outlet buried in the ground of such a concrete pole that prevents earth and sand from entering the pole and allows telephone lines, ground lines, and other power distribution lines to be drawn out. The purpose is to

[Means to solve the problem]

The telephone line outlet of the present invention is formed around a bottomed body which is opened at one end of a circumferential side wall having a depth that penetrates the circumferential wall of a concrete pole formed in a hollow shape, and has a bottom wall connected to the other end. A connection part of the internal conduit is arranged in a row facing the side wall and close to the bottom wall to form the outlet main body, while a circular shape is provided on one side of the flat plate having a size to close the opening. A narrow groove is provided around the periphery of this thin part to form a lid body, and the lid body is fixed to the outlet main body.

Further, the lid body has a protruding rib on one side surface of the outlet body that contacts the opening edge of the outlet body, and is attached to the outlet body so that the rib comes into contact with the inside of the opening.

[Effect]

In the telephone line outlet of the present invention, the outlet body with the lid removed is placed in contact with the opening at a predetermined location on the lower part of the inner wall surface of the concrete pole molding frame, and each connection part is fixed in position so that it is oriented in the axial direction. Furthermore, a blind cover is attached to the lower connection part, and an internal conduit of a required length is connected to the upper connection part.

Then, attach the lid using the screw holes provided on the opening surface of the drawer outlet body, and
Close the area to prevent soil from entering.

If the thin part of the lid body is hit by hammering, etc., it will easily break from the narrow groove and open in a circular shape.
Telephone lines, ground lines, and other power distribution lines can be drawn out through this opening.

In addition, the lid is reinforced and can be easily positioned and attached by bringing the rib into contact with the opening edge of the outlet body.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. In the figure, 1 is the main body of the outlet which is buried in the concrete layer when forming the hollow concrete pole A. It has an opening 3 at one end of the circumferential side wall 2 with a depth that penetrates the side wall B of the pole A, and the bottom wall at the other end. 4
are connected to form a vertically elongated bottomed body, and short cylindrical connections that protrude outward from each other in the longitudinal direction so as to bulge the bottom wall 4 at one end of the circumferential wall 2 in the transverse direction. The portions 5, 5 are provided in a protruding manner so as to communicate with the peripheral side wall 2.
These connecting portions 5, 5 are for connecting the internal conduit 14, and the inner diameter thereof is formed into a tapered surface that becomes larger toward the tip. Also, the peripheral wall 2
Screw holes 6 and 7 of different sizes and diameters facing the opening 3 are formed inside both ends in the longitudinal direction.

Reference numeral 8 denotes a lid to be attached to the opening 3, and a circular thin portion 9, 9' is provided at the center of one side of a flat plate large enough to close the opening 3. These thin portions 9, 9' have narrow grooves 10, 10' having a V-shaped cross section around their periphery, so that they are easy to break. Furthermore, through holes 1 at both ends in the longitudinal direction communicate with the screw holes 7, 7.
It is constructed by drilling holes 1 and 11.

The outlet main body 1 has an opening 3 at a predetermined position at the lower part of the inner wall surface of the formwork when forming the concrete pole A.
are positioned so that they face each other and the connecting parts 5, 5 are in the axial direction, and each screw hole 6,
6. Screw the tightening bolt into place. Further, a blind cover 12 is attached to the lower connecting part 5, and an internal conduit 13 of a predetermined length is joined to the upper connecting part 5. In the embodiment shown in FIG. 13
An inlet/outlet main body 14 formed in the same shape as the outlet main body 1 is connected to the tip of the outlet main body 1, and an internal conduit 13' of a predetermined length is joined to the upper connecting part 5 of this inlet/outlet main body 14. At the tip of 13' is the drawer outlet body 1.
An inlet main body 15 formed in the same shape as the inlet main body 15 is connected, and a blind cover 12' is connected to the upper connection part 5 of the inlet main body 15.
The entrance main body 14 and the entrance main body 15
The openings 3 are placed in contact with the inner wall surface of the formwork in the same way as the outlet body 1, respectively, and concrete is poured in while rotating the formwork with tightening bolts screwed and fixed to each screw hole 6. Form a pipe by applying centrifugal force. Then, the lid body 8 is aligned with the opening 3 of the outlet main body 1, and the screws 16, 16 are inserted through the through holes 11, 11 and screwed into the screw holes 7, 7.

An outdoor line C branched from a communication cable is led into the inlet main body 15 embedded in the concrete pole A thus formed. This outdoor line C is lowered inside the internal conduit 13', pulled out from the entrance/exit body 14 to the outside of the pole A, and then pulled into a box D installed on the entire surface of the entrance/exit body 14 using screw holes 6 or 7. Then, the indoor line F and the ground line G are connected via the protector E. The indoor wire F and the ground wire G are drawn into the entrance main body 14, the internal conduit 13 is lowered, and are drawn out from the exit main body 1 to the outside of the pole A. At this time, the lid body 8 is removed as shown in FIG. As shown, the narrow grooves 10 and 10' are broken to open the thin walled parts 9 and 9', and the indoor wire F is drawn out from the opening 17, and this indoor wire F is covered with a cladding pipe and inserted into the ground. Bring it into the house while it is still buried. On the other hand, the ground wire G is pulled out from the lower opening 17', connected to a ground rod, and buried underground.

In this way, the telephone line outlet of the present invention closes the opening 3 with the cover 8, and the indoor line F
The electric wires A, earth wire G, and other electric distribution wires can be easily pulled out from the openings 17, 17' formed by breaking the thin parts 9, 9' at the narrow grooves 10, 10', allowing for good operability, and the cover 8 prevents the intrusion of soil and sand, preventing the pole A from tilting.

Further, as shown in FIG. 5, ribs 18, 18 protruding from both sides of one side of the lid body 8 in the lateral direction are brought into contact with the inside of the opening 3 of the outlet body 1. 18, 18 reinforces the lid body 8, and when it is attached to the opening 3, positioning is easy and positional shift does not occur, and ease of use is exhibited, such as easy and accurate attachment.

[Effects of the invention] As described above, the telephone line outlet of the present invention is buried in a concrete pole, and when used underground, the opening of the outlet body is used to connect the drawn-out indoor line and the ground. All lines other than power lines and other distribution lines will be closed off with lids. Moreover, if the thin wall part of the lid body is tapped, the thin wall part will be easily broken due to the narrow groove, and a circular opening for pulling out indoor wires, ground wires, and other distribution wires will be easily formed. All other areas are closed to prevent dirt and sand from entering and prevent the pole from tipping. Furthermore, telephone wires, ground wires, and other power distribution lines can be easily drawn out and used with good workability.

[Brief explanation of the drawing]

The figures relate to one embodiment of the present invention, and FIG. 1 is a perspective view, FIG. 2 is an exploded perspective view, FIG. 3 is a front view of the drawer outlet body, and FIG. 4 is a front view of the lid body. 5 is a rear view of the same as above, FIG. 6 is an enlarged sectional view taken along the line A-A in FIG. . DESCRIPTION OF SYMBOLS 1... Outlet main body, 2... Circumferential wall, 3... Opening, 4... Bottom wall, 5, 5... Connection part, 8... Lid body, 9, 9... Thin wall part, 10, 10... ...Narrow groove, 1
8,18...Rib, A...Concrete pole,
B... Peripheral wall.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A bottomed body with an opening at one end of the circumferential side wall having a depth penetrating the circumferential wall of a concrete pole formed in a hollow shape, and a bottom wall connected to the other end. A connecting part of an internal conduit is arranged in a row facing the circumferential wall and close to the bottom wall to form an outlet main body, and on one side of a flat plate large enough to close the opening. A telephone line outlet in a concrete pole, which is constructed by providing a circular thin wall part, further providing a narrow groove around the periphery of the thin wall part to form a cover body, and fixing the cover body to the outlet main body. . (2) Protruding ribs are provided around one side of the lid to abut against the inside of the opening, and the ribs are brought into contact with the opening edge of the drawer outlet body to secure the lid body to the drawer outlet body. A telephone line outlet in a concrete pole according to claim (1).