JPH058749Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a box with a built-in electrical device that is attached to an electric wire lead-in pole erected within the premises of a residence.

[Conventional technology]

Generally, in order to wire an overhead drop-in line into a home, the drop-in line is stopped at the top of a hollow electric wire drop-in pole erected outside the building, and then drawn into the drop-in pole, and the outer circumferential surface of the middle part of the drop-in pole is Once connected to the electrical equipment inside the box installed in the box, underground wiring is run from the bottom through the lead-in pole and then into the home.

Conventionally, as shown in Fig. 5, a box with a built-in electrical device attached to a wire lead-in pole has a power meter b and a protector c disposed in the upper and lower parts of the box body a, respectively. is the box back plate d
The lead-in wires f, such as power lines and telephone lines, which are directly attached to the inner surface of the wire lead-in pole e and which are drawn into the wire lead-in pole e through the opening g bored at the appropriate place on the back plate d, are connected to the wire lead-in pole b and the protector c. is connected to.

[The problem that the idea attempts to solve]

However, in the above structure, since the watt-hour meter b and the protector c are fixed in contact with the back plate d of the box body a, there are no lead wires such as power lines or telephone lines inside the box body a. The opening g for introducing f must be provided at an appropriate location on the back plate other than the mounting area of the watt-hour meter b and the protector c, and the location where it is opened is limited and the lead-in line f introduced from the opening g must be connected to electric equipment such as wattmeter b and protector c by bypassing the side of protector c, etc., which not only requires a correspondingly long lead-in line f, but also requires a long lead-in line f. Therefore, there were problems in that the work space was limited, the wiring work was complicated, and the work efficiency was reduced.

The object of the present invention is to provide a box with a built-in electrical device that can completely eliminate these problems.

[Means to solve the problem]

In order to achieve the above object, the electrical equipment built-in box of the present invention has a built-in electrical equipment box in which a power meter 6 and a protector 7 are disposed in the upper and lower parts of the box body 1, respectively. 6 is fixed to the back plate 2 of the box body 1, while the protector 7 is fixed to the intermediate plate 3 mounted inwardly from the back plate 2 at a certain distance, and the It has a structure in which an opening 4 for introducing and leading out the lead-in line, which is bored in the back plate 2, is exposed in the space 5.

[Effect]

With the above configuration, when the lead-in wire is introduced into the box body 1 through the opening 4 formed in the back plate 2, the tip of the lead-in wire is inserted into the space on the back side of the intermediate plate 3 where the protector 7 is attached. 5, the drop-in line can be easily connected to the bottom of the watt-hour meter 6 exposed above the space 5 and the protector 7 on the lower side, and the space 5 can also be used as a connection storage space for the drop-in line. This allows for orderly wiring, and allows for smooth wiring from electrical equipment to the opening 4 through the space 5.

〔Example〕

The embodiments of the present invention will be explained with reference to the drawings: 1
is a vertical box-shaped box body, the front opening of which is closed by a cover body 1a having an inspection window 1b, and the rear opening end made of an insulating material such as a wooden board attached with screws or the like. It is closed by a back plate 2, and further,
In the lower half of the box body 1, an intermediate plate 3 made of an insulating material is arranged parallel to the back plate 2 at a certain distance from the back plate 2 toward the front side. A space 5 is provided in the face plate 2 and the intermediate plate 3.

The width of the intermediate plate 3 is formed to be slightly smaller than the width between the inner walls on both sides of the box body 1, and its both ends are fixed to the inner walls on both sides of the box body 1 in an L-shape in cross section, as shown in FIG. shaped mounting bracket 12,1
2 with bolts or the like, and its vertical width is approximately equal to the vertical dimension of the vertically elliptical lead-in opening 4 bored in the center of the lower half of the back plate 2. As shown in FIG. 2, its upper edge reaches the center of the box body 1, and its lower edge is spaced apart from the lower edge of the box body 1 by a suitable distance.

Inside the box body 1, a power meter 6 is disposed at the front of the upper center of the back plate 2, and the back surface thereof is fixed, and the bottom surface to which the lead-in line is connected faces the upper end side of the space 5. There is.

Also, on both sides of the front of the middle part 3, there is a telephone protector 7.
and switch 8 are attached. The heights of the protector 7 and the switch 8 in the depth direction are usually lower than the height of the power meter 6 in the depth direction, so using the difference in height, the intermediate plate 3 The protector 7 and the switch 8 are mounted so that the front faces of the protector 7 and the switch 8 are on substantially the same vertical plane with respect to the front face of the watt-hour meter 6.

Reference numeral 9 denotes a rubber bushing attached to the periphery of the opening 4.

Reference numeral 10 denotes a locking hook fixed to the rear surface of the upper center portion of the rear plate 2, and reference numeral 11 denotes bolt mounting holes drilled on both sides of the lower end of the rear plate 2 below the lower edge of the intermediate plate 3.

The electric wire lead-in column 13 to which the electrical equipment built-in box constructed as described above is attached is formed of a hollow steel tube, and has an opening 4 of the same size as the opening 4 provided in the box body 1 on the front side of the middle part in the longitudinal direction. , an opening 14 of the same shape is bored, and a rubber bushing 15 formed in a shape that is in pressure contact with the bushing 9 attached to the opening 4 on the box side over the entire circumference is fitted to the opening periphery of this opening 14. At the same time, a hook locking fitting 16 having a U-shape in plan is fixed to the front surface at a predetermined distance above the opening 14.
Further, a U-shaped bolt mounting seat plate 17 is fixed to the front surface at a small distance downward from the opening 14.

Further, as shown in FIG. 4, the upper end of this electric wire lead-in column 13 is provided with lead-in ports 20 and 21 for the power line 18 and telephone line 19, which are lead-in lines, and underground wiring is provided at the lower end. An outlet 22 is provided for this purpose.

To attach the electrical equipment built-in box to the wire lead-in pole 13, first hook the locking hook 10 provided on the upper end of the back surface to the hook locking fitting 16 fixed to the wire lead-in pole 13, and then the box body 1 is suspended from the locking fitting 16, and its wire introduction and lead-out opening 14 is connected to the opening 1 of the wire lead-in column 13.
4, and the bushings 9 and 15 are brought into contact with each other.

Next, insert the bolts 2 into the bolt mounting holes 11, 11 provided on both sides of the lower end of the back plate of the box body 1.
3 and 23 and screw their tips onto the bolt mounting seat plate 17 fixed to the wire lead-in column 1 through nuts (not shown), the box body 1
is pressed against the wire lead-in column 1 side using the locking hook 10 as a fulcrum, and is fixed in a state where the bushings 9 and 15 attached to the openings 4 and 14 are in full pressure contact with each other to perform a waterproof packing action. It is something that

When the box body 1 is installed, the lead wires are wired.

That is, the power line 18 and the telephone line 19 drawn into the wire lead-in column 13 from the lead-in ports 20 and 21 are introduced into the space 5 in the box body 1 through the openings 4 and 14 communicating with each other, and After connecting to the watt-hour meter 6 and the protector 7, respectively, connect the watt-hour meter 6
The power line 18 from
Similarly, the telephone line 19 from the protector 7 is also led out through the openings 4, 14 into the lead-in post 13 and into the lead-in post 13 through the openings 4, 14. It is arranged below, and is wired underground from the outlet 22 to be wired into the home.

[Effect of idea]

As described above, according to the box with built-in electrical equipment of the present invention, there are wattmeters 6 in the upper and lower parts of the box body 1.
In a box with built-in electric equipment, which is provided with a safety device 7 and a safety device 7, the power meter 6 is connected to the box main body 1.
While fixing the protector 7 to the back plate 2 of the
An opening for introducing and leading out the lead-in wire is fixed to the intermediate plate 3 installed at a certain distance inward from the rear plate 2, and is bored in the space 5 formed on the back side of the intermediate plate 3 in the rear plate 2. 4, when installing this box with a built-in electrical equipment on a power line lead-in pole, the lead-in wires such as power lines and telephone lines drawn out from the lead-in pole are attached to the back plate 2 of the box body 1. By inserting it through the drilled opening 4, it can be housed in the space 5 on the back side of the intermediate plate 3 to which the safety device 7 is attached, and at the same time it can be exposed upward using the space 5. It is possible to easily connect the drop-in wire to the bottom of the watt-hour meter 6 or the protector 7 on the lower side, and therefore, the wiring connection work can be done efficiently and the connection parts of the drop-in wire can be arranged in the space 5 in an orderly manner. This makes it possible to reduce the required length of the lead-in wire, and furthermore, to reduce the volume of the box body 1, thereby significantly improving workability and handling.

Further, the opening 4 is connected from the electrical equipment through the space 5.
The wiring work can be carried out more efficiently, and the wiring work can be carried out more efficiently.

[Brief explanation of drawings]

Figures 1 to 4 show an embodiment of the present invention, with Figure 1 being a longitudinal sectional side view of the device installed on a lead-in column, Figure 2 being a front view showing the electrical equipment installed;
FIG. 3 is an enlarged cross-sectional view of the intermediate plate attachment part, FIG. 4 is a simplified front view of the intermediate plate attached to a retractable column, and FIG. 5 is a perspective view of a conventional example. 1...Box main body, 2...Back plate, 3...Intermediate plate, 4...Leading line introduction, lead-out opening, 5...
Space section, 6...power meter, 7...safety device.

Claims (1)

[Scope of utility model registration request] In a box with a built-in electric device, in which a wattmeter 6 and a protector 7 are arranged at the upper and lower parts of the box body 1, the wattmeter 6 is fixed to the back plate 2 of the box body 1, and the protector 7 is fixed to the back plate 2 of the box body 1. is fixed to an intermediate plate 3 installed at a certain distance inward from the back plate 2, and a space 5 formed on the back side of the intermediate plate 3
This is a box with a built-in electric device, characterized in that an opening 4 for introducing and leading out a lead-in wire, which is bored in a back plate 2, is exposed.