JPH0323793Y2 - - Google Patents

Description

[Detailed explanation of the invention] (Industrial application field) When bringing electric light lines, telephone lines, etc. into a house, a hollow pole is erected, the electric wires, etc. are introduced from the top of the pole, and then guided out from the bottom and routed underground. This may lead them into the house. In this case, a pole box containing a power meter etc. is fixed to the middle part of the pole,
The usual strategy is to lead the wires out of the pole and into the pole box, and out of the pole box and back into the pole.

The present invention relates to an improvement in the mounting structure of the pole and pole box in this method.

(Prior Art) Conventionally, in order to attach a pole box to a pole, as shown in FIG. After aligning the position of the opening 4 for entering and exiting the electric wires prepared in advance, pass the stop bands 5, 5 around the circumference of the pole 1 to fix the upper and lower parts of the back of the pole box 3, and tighten the circumference of the pole 1. Pole box 3 is attached to the surface. At this time, the electric wire W is drawn in from the top of the pole 1, passed through the openings 2 and 4, and connected to the input side of a power meter or the like (not shown) disposed within the pole box 3. Furthermore, the electric wire W connected to the output side of the watt-hour meter, etc., is again inserted through the openings 4 and 2, drawn into the pole 1, pulled out from the lower part of the pole 1, and drawn into the house.

(Problem to be solved by the invention) Therefore, when attaching the pole box 3 to the pole 1, the opening 2 from which the electric wire W is drawn out must be installed in advance.
Align opening 4 with
It was necessary to fix the stop bands 5, 5 across the circumferential surface of the pole box 3, and it was necessary to prevent the mounting position from shifting while fixing the stop bands 5, 5 to the back of the pole box 3. In particular, when inserting the rubber gasket 6 between the openings 2 and 4 to prevent rainwater etc. from entering into the pole 1 and the pole box 3, it is necessary to install the rubber gasket 6 so that it does not come off from the openings 2 and 4. The work of attaching the pole box 3 to the dovetail pole 1 was very troublesome and caused problems in workability.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a method for attaching a pole box having an opening for entering and exiting electric wires on the back side to a pole having an opening for entering and exiting electric wires on the peripheral surface. The fixture is composed of a fixture body and a stopper, and the fixture body is provided with a through hole for entering and exiting electric wires, and the periphery of the opening on one side of the through hole is connected to the opening periphery of the pole. The periphery of the opening on the other side is shaped so as to be able to come into contact with the periphery of the back opening of the pole box. The fixture body and the pole box can be fixed in such a positional relationship that the peripheral edges of both openings abut against each other, and the fixture body and the pole box can be fixed in a positional relationship such that the peripheral edges of both openings abut against each other.

(Function) According to the above-described configuration, by fixing the fixture main body with a stopper in a positional relationship where the opening of the fixture main body and the opening of the pole face each other, the peripheral edges of both openings abut and the openings are connected, The fixture body is fixed to the pole. In addition, by fixing the opening of the fixture body and the back opening of the pole box in a positional relationship where they face each other, the peripheries of both openings abut and the openings are connected, and the pole box is connected to the fixture body and the pole. Fixed. As a result, the opening of the pole, the through hole of the fixture body, and the opening of the pole box communicate with each other, and a communication path surrounded by the fixture body for entering and exiting the electric wire is formed between the pole and the pole box.

(Example) Next, an example of the present invention will be described with reference to the accompanying drawings.

In the figure, reference numeral 10 denotes a pole box fixture, and a pole 1 has an opening 2 on its circumference for entering and exiting electric wires.
It is for attaching a pole box 3 having an opening 4 for entering and exiting electric wires on the back thereof, and is mainly composed of a fixture body 11 and a stopper 12.

A cylindrical portion 14 is provided in the center of the fixture main body 11 and has a through hole 13 that is approximately the same shape as the openings 2 and 4 in the front and rear. It is extended into a belt.
Further, frames 16, 16 are formed on the back sides of the mounting pieces 15, 15 to support both sides of the cylindrical portion 14 in a U-shape. A semicircular mounting recess 17 is formed by the rear end surface of the
is formed on the circumferential surface of the pole 1 so that it can be attached.
Further, the stopper 12 is formed in a band shape, and has a semicircular mounting recess 18 formed in the center thereof, and can be mounted on the outer periphery of the pole 1 through the mounting recess 17 of the fixture main body 11. On both sides of the mounting recess 18, there are insertion holes 20, 20 through which bolts 19, 19 are inserted.
Attachment portions 21, 21 are formed.

A through hole 1 provided in the center of the fixture body 11
The opening end surfaces 26 of the cylindrical portion 14 are provided on both opening edges of the cylinder 14,
The through hole 13 has protrusions 28 and 29 formed in the opening 2 provided on the circumferential surface of the pole 1 and the protrusions 28 and 29 that protrude toward the 27 side. 29 are respectively fitted therein, and the opening end surfaces 26 and 27 of the cylindrical portion 14 are formed in a shape such that they abut against the peripheries of the openings 2 and 4.
Further, fitting grooves 30 and 3 are provided in the opening end surfaces 26 and 27.
1 is provided around each, and a wire rubber gasket 3
2 and 33 are fitted.

The frames 16, 16 formed protruding from the back surfaces of the mounting pieces 15, 15 form a mounting recess 17 extending from the opening end surface 26 of the cylindrical portion 14, and the stopper 12 is formed on the outside of the mounting recess 17. Contact edges 34, 34 that come into contact with the mounting portion 21 are formed up to substantially the center of the mounting pieces 15, 15. Attachment parts 36, 36 are formed in the frames 16, 16 at the central portions of the mounting pieces 15, 15, and are provided with bolt holes 35, 35 for screwing bolts 19, 19. Reinforcing portions 37, 37 are provided in the shape of chrysanthemum petals.

On the front side of the mounting pieces 15, 15, abutting edges 38, 38 which come into contact with the back surface of the pole box 3 extend to the opening end face 27 and are provided around the periphery of the mounting pieces 15, 15. In addition, the fixing parts 41, 4 have bolt holes 40, 40 formed in the centers of the tips of the mounting pieces 15, 15.
1 is provided protrudingly. Bolt hole 40, 4
0 is the bolt 42, 4 that attaches the pole box 3
The bottoms of the fastening parts 41, 41 protrude to the back side of the mounting pieces 15, 15 to close the bolt holes 40, 40.

A contact edge 43 that contacts the contact edges 34, 34 of the frames 16, 16 is provided around the front side of the stopper 12.

Next, an example of a method of attaching the pole box 3 according to this embodiment will be explained.

Electric wire W inside the pole 1 pulled out from the opening 2 in advance
is inserted into the through hole 13 from the opening end surface 26 side of the fixture main body 11, and then the protrusion 28 is fitted into the opening 2, and the mounting recess 17 is brought into contact with the mounting position on the circumferential surface of the pole 1. After contact, attach the stopper 12 to the fixture body 1
1 from the back side of the pole 1, and attach the abutting edge 4 of the stopper 12 to the abutting edges 34, 34 of the fixture body 11.
3 and insert the bolts 19, 19 into the insertion holes 20,
20 and screwed into the bolt holes 35, 35. As a result, the pole box fixture 10 is fixed with the mounting recesses 17 and 18 in contact with the mounting position on the circumferential surface of the pole 1. Also, at this time, the opening end face 26
A wire rubber gasket 32 provided around the pole 1 is fixed in close contact with the circumferential surface of the pole 1.

Next, the electric wire W drawn out from the through hole 13 into the opening 4 provided on the back side of the pole box 3
is pulled in, the opening 4 is fitted into the protrusion 29 of the fixture main body 11, and brought into contact with the abutting edge 38. Next, screw the bolts 42, 42 into the bolt holes 40, 40 from inside the pole box 3, and the pole box 3
The back surface is fixed in contact with the opening end surface 27 of the fixture body. Further, a wire rubber gasket 33 provided around the opening end face 27 is fixed in close contact with the back surface of the pole box 3. As a result, the pole box 3 can be accurately attached to the fixture body 11. As described above, the pole box 3 is attached to the pole 1 via the fixture body 11, and after a wattmeter or the like is attached inside the pole box 3, the electric wire W is connected to the input side and the output side.

In this embodiment, the protrusions 28 and 29 are provided around the edges of the through hole 13 on the end faces 26 and 27 of both openings of the cylindrical portion 14, so that the attachment of the fixture body 11 to the pole 1 and the pole When the box 3 is attached to the fixture main body 11, the protrusions 28 and 29 fit into the openings 2 and 4, respectively, so it can be easily attached to the correct attachment position, and communication for entering and exiting the electric wire W is possible. Even when a path is formed and the edges of the openings 2 and 4 are sharp, the electric wires can be protected by preventing the electric wire W from coming into contact with the edges. Further, since the wire rubber gaskets 32 and 33 are provided around the end surfaces 26 and 27 of both openings of the cylindrical portion 14, the wire rubber gaskets 32 and 33 are in close contact with the periphery of the opening 2 and the periphery of the opening 4. It is possible to prevent rainwater, etc. from entering into the interior of 4. Furthermore, the openings 2 and 4 are covered by the cylindrical part 14, and the cylindrical part 14
Mounting pieces 15, 15 integrally provided on both left and right sides of
Since the pole box 3 is fixed in this manner, the external appearance of the pole box 3 attached to the pole 1 gives a simple impression and has an excellent aesthetic effect.

In this embodiment, an example is shown in which the openings 2 and 4 have the same shape. However, if the openings 2 and 4 have different shapes, the shapes of each opening of the through hole 13 may be changed as shown in FIG. It is also possible to have a shape adapted to the openings 2 and 4, respectively.

(Effects of the invention) The present invention is a mounting tool for attaching a pole box having an opening for entering and exiting electric wires on the back side to a pole having an opening for entering and exiting electric wires on the circumference, and the mounting tool is connected to the main body of the mounting device. , a stopper, and the main body of the fixture is provided with a through hole for the entry and exit of electric wires, the periphery of the opening on one side of the through hole is shaped so that it can abut the periphery of the opening of the pole, and the periphery of the opening on the other side is shaped so that it can contact the periphery of the opening on the pole. The shape is such that it can come into contact with the periphery of the back opening of the box, and the fixture body and the stopper can be fixed in a positional relationship such that the pole is held between them and the pole and the periphery of both openings of the fixture body come into contact with each other. The main body of the fixture and the pole box are configured so that they can be fixed in a positional relationship where the peripheries of their openings touch, so when attaching the pole box to the pole, first attach the pole box fixture to the pole. After that, the pole box can be attached to the pole box fixture, which has the practical effect of making the attachment work easier.

[Brief explanation of drawings]

In the accompanying drawings, FIGS. 1 to 4 show an embodiment of the present invention, with FIG. 1 being an exploded perspective view of the front side, and FIG. 2 being an exploded perspective view of the back side. FIG. 3 is an enlarged sectional view of a portion showing an attached state, FIG. 4 is a partially enlarged sectional view showing another embodiment, and FIG. 5 is a perspective view showing a conventional mounting state. 1... Pole, 2... Opening, 3... Pole box, 4... Opening, 11... Fixture body, 12...
...Stopper, 13...Through hole.

Claims (1)

[Scope of utility model registration request] A mounting tool for attaching a pole box having an opening for entering and exiting electric wires on the back side to a pole having an opening for entering and exiting electric wires on the circumferential surface, the mounting tool comprising a main body of the fitting and a stopper, The main body of the fixture is provided with a through hole for the entry and exit of electric wires, and the periphery of the opening on one side of the through hole is shaped so as to be able to abut the periphery of the opening on the pole, and the periphery of the opening on the other side is shaped to be in contact with the periphery of the opening on the back of the pole box. Shaped so that it can come into contact with the fixture body,
A stopper is a device that can be used to hold a pole between the two and fix it in such a position that the circumferential edges of both openings of the pole and the fixture body are in contact with each other. A pole box mounting tool characterized by having a structure that allows it to be fixed in a positional relationship in which it contacts.