JPH0898376A - Distributing terminal box - Google Patents

Abstract

PURPOSE: To provide a small-sized, thin-type distributing terminal box which does not require a very high positional accuracy of wire drawing-out holes, and is capable of facilitating the connection between housed appliances and wiring cables. CONSTITUTION: Concerning to a distributing terminal box which terminates or continues the distribution by wiring cables in the body of a building and holds various kinds of appliances to be connected to the wiring cables, the bottom of a distributing terminal box body 11 is composed of an appliance fitting bottom board 12 having a thickness at least equal to the diameter of the wiring cables 4 or larger, and a wiring drawing-in opening 13 for drawing in the wiring cables into the distributing terminal box body is formed like a long hole in the appliance fitting bottom board, 3 as to spread approximately all over the appliance fitting bottom board continuously.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring terminal box for terminating or relaying a wiring cable in a building body and accommodating various devices connected to the wiring cable.

[0002]

2. Description of the Related Art A wiring terminal box is for connecting a terminal board or various devices accommodated in the wiring terminal box and a wiring cable drawn out from the body of a building. A conventional technique will be described with reference to FIGS. 7 and 8. FIG. 7 is a front view showing an example of a conventional wiring terminal box. FIG. 8 is a cross-sectional view of a cross-section AA of a conventional wiring terminal box as seen from above.

In FIGS. 7 and 8, reference numeral 1 denotes a wiring terminal box body which is a box body. Since the wiring terminal box is usually attached to the wall surface of the building, the side in contact with the wall surface of the wiring terminal box body 1 is the bottom portion, the side of the bottom portion of the wiring terminal box body 1 that is visible to humans is the front, and the wiring terminal box body 1 The side in contact with the wall surface of the bottom surface of is the back surface. Further, the wiring terminal box body 1 generally has a removable lid on the front side, but for the purpose of explanation, the description will be made with the lid removed, and the figure shows the state with the lid removed.

A wiring lead-in opening 2 is provided in the bottom surface of the wiring terminal box body 1. The wiring cable 4 wired in the body 3 is drawn out from the body 3 through the wiring lead-out hole 5 and is drawn in the wiring terminal box body 1 through the wiring lead-in opening 2.

A device mounting plate 6 is provided inside the wiring terminal box body 1 in parallel with the bottom surface of the wiring terminal box body 1, and between the bottom surface of the wiring terminal box body 1 and the device mounting plate 6. A wiring routing space 7 for routing the wiring cable 4 is provided therein. In addition, a wiring wraparound space 8 is provided between the peripheral end surface portion 6a of the device mounting plate 6 and the inner side surface of the wiring terminal box body 1, and the wiring cable 4 extends from the back side of the device mounting plate 6 to the front side. Through the wiring wraparound space 8, it is drawn out so as to wrap around the peripheral end surface portion 6 a of the device mounting plate 6.

On the front of the device mounting plate 6, various types of housing devices 9 are installed.
a, 9b, 9c (the type and the number of the housed devices have nothing to do with the wiring terminal box) are attached. The wiring cable 4 drawn into the wiring terminal box body 1 through the wiring drawing hole 5 and the wiring drawing opening 2 has a device mounting plate 6 through a wiring drawing space 7 and a wiring wrapping space 8.
Is connected to the various storage devices 9a, 9b, 9c.

[0007]

However, in the wiring terminal box as shown in FIGS. 7 and 8 described above, when the wiring terminal box is attached to a desired position on the wall surface, the inside of the building body 3 is It is necessary to accurately align the position of the wire drawing hole 5 on the wall surface where the wiring cable 4 is drawn with the position of the wire drawing opening 2 on the back surface of the wiring terminal box body 1, and the position of the wire drawing hole 5 on the wall surface and the wire drawing hole If the position of the opening 2 is not accurately aligned, the wiring cable 4 wired in the body of the building cannot be drawn into the wiring terminal box.

Therefore, if the wiring terminal box is to be mounted at a desired position, it is necessary to improve the positioning accuracy of the wiring lead-out hole 5 in the preceding wiring work of the building, which increases the difficulty of the preceding wiring work. There was a problem.

Further, in the conventional wiring terminal box, in order to route the wiring cable 4 in a desired direction, a wiring routing space 7 is required between the wiring terminal box body 1 and the device mounting plate 6, and wiring is also required. In order to pull out the cable 4 to the front of the device mounting plate 6, a wiring wrap-around space 8 is required between the peripheral end surface portion 6a of the device mounting plate 6 and the inner side surface of the wiring terminal box body 1. The wiring routing space 7 and the wiring wrap-around space 8 are obstacles to downsizing and thinning of the wiring terminal box, and therefore it is difficult to suppress the thickness protruding from the wall surface when the wiring terminal box is mounted on the wall surface. there were.

Further, the conventional wiring terminal box has a device mounting plate 6
Since the wiring cable 4 is routed in the wiring routing space 7 existing on the back side of the device and the accommodation devices 9a, 9b, 9c are attached to the front side of the device mounting plate 6, the wiring cable 4 and the accommodation devices 9a, 9b, 9c are connected. In order to connect the wires, it is necessary to pull out the wiring cable 4 so as to wrap around the peripheral end surface portion 6a of the device mounting plate 6, which causes a problem that workability of installation work of the wiring terminal box deteriorates.

The present invention has been made in order to solve the above problems, and an object thereof is to install the wiring terminal box without requiring the positional accuracy of the wiring drawing holes at the time of the preceding wiring work. An object of the present invention is to provide a small-sized and thin wiring terminal box which can easily connect the housing device and the wiring cable in the wiring terminal box during construction.

[0012]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention is a wiring terminal box for terminating or relaying a wiring cable in a building body and accommodating various devices connected to the wiring cable. In, the bottom surface of the wiring terminal box main body is a device mounting bottom plate having a thickness of at least the wiring cable diameter, and a wiring lead-in opening for pulling the wiring cable into the wiring terminal box main body on the device mounting bottom plate,
It is characterized in that it is continuously extended and formed in a long hole shape so as to spread over substantially the entire equipment mounting bottom plate.

[0013]

[Operation] With the above configuration, the wiring cable pulled out from the body through the wiring pull-out hole
Since the wiring cable is pulled into the wiring terminal box through the wiring lead-in opening provided on the bottom plate of the device mounting board, which is the bottom of the wiring terminal box, and the wiring cable is routed to the specified position along the slot-shaped wiring lead-in opening, The wiring terminal box can be connected to the storage device in the wiring terminal board without requiring the wiring routing space and the wiring wraparound space unlike the wiring terminal box.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the wiring terminal box of the present invention will be described with reference to FIGS. FIG. 1 is a front view of the wiring terminal box. FIG. 2 is a cross-sectional view of the cross section BB of the wiring terminal box as seen from above. FIG. 3 is a perspective view of the equipment mounting bottom plate, and FIG.
6 to 9 are front views showing another example of the wiring lead-in opening of the equipment mounting bottom plate.

In FIG. 1, reference numeral 11 denotes a wiring terminal box body which is a box. Since the wiring terminal box body 11 is usually attached to the wall surface of a building, the side in contact with the wall surface of the wiring terminal box is the bottom portion, the side of the bottom portion of the wiring terminal box visible to humans is the front, and the bottom portion of the wiring terminal box is The side that contacts the wall is the back side. Further, the wiring terminal box body 11 generally has a removable lid on the front side, but for the sake of the following description, the description will be given with the lid removed, and the figure shows the state with the lid removed.

On the bottom surface of the wiring terminal box body 11, an equipment mounting bottom plate 12 having a thickness of at least the diameter of the wiring cable 4 is formed. The back surface of the equipment mounting bottom plate 12 is in contact with the body wall surface, and various storage equipment 9a, 9b, 9c accommodated in the wiring terminal board are mounted on the front surface of the equipment mounting bottom plate 12.

The device mounting bottom plate 12 is provided with a wiring drawing opening 13. As shown in FIG. 3, the wiring lead-in opening 13 is a single elongated hole shape continuously extended so as to spread over substantially the entire equipment mounting bottom plate 12, and has a letter shape, a U shape, or a circle shape. It is formed by combining long holes such as arcs. Further, since the wiring lead-in opening 13 is continuously formed so as to extend over substantially the entire equipment mounting bottom plate 12, when a certain area is designated on the equipment mounting bottom plate 12, the wiring lead-in opening 13 is always formed. Some are included.

When mounting the wiring terminal box on the wall surface of the body, it is necessary to align the positions of the wiring drawing hole 5 and the wiring drawing opening 13 so that the wiring cable 4 can be drawn into the wiring terminal box. However, as described above, the wiring drawing opening 13 is provided in the device mounting bottom plate 12
Of the wiring lead-out opening 13 and the wiring lead-out hole
Since the wiring cables 4 can be drawn into the wiring terminal box body 11 from the wiring drawing opening 13 by positioning and, the positioning at the time of fixing the device mounting bottom plate 12 to the wall surface It is easily possible.

The wiring cable 4 wired in the body 3 is
It is pulled out from the skeleton 3 through the wiring lead-out hole 5 and drawn into the wiring terminal box body 11 through the wiring lead-in opening 13.

The wiring cable 4 drawn into the wiring terminal box body 11 is in the wiring drawing opening 13 (that is, has a shape as viewed from the front of the wiring drawing opening 13 and has the thickness of the equipment mounting bottom plate 12). The space is guided along the shape of the wiring drawing opening 13 to a predetermined position. For example, as shown in FIGS. 1 and 2, even when the storage device 9b is attached at a position overlapping the wiring drawing hole 5, the wiring cable 4 can be routed inside the wiring drawing opening 13, so that the storage device 9b can be attached to the device. The wiring cable 4 does not affect the mounting on the bottom plate 12, and the wiring cable 4 is P2 which is the connection position of the intended storage device 9a, 9c.
It is possible to induce up to P3.

The wiring lead-in opening 13 provided on the equipment mounting bottom plate 12 is not limited to the shape shown in FIG. 3 of the present embodiment, and it is not limited to where on the equipment mounting bottom plate 12 the stored equipment is mounted. Need only be formed in such a shape that the wiring cable 4 can be guided to the vicinity of that position, and for example, those shown in FIGS. 4 to 6 may be used. Further, in this embodiment, the wiring lead-in opening 13 is formed in the shape of a single long hole, but the wiring can be easily distributed when the arrangement of the storage equipment is decided before the installation work of the wiring terminal box. In this case, if the wiring lead-in opening 13 is extended so as to extend over substantially the entire device mounting bottom plate 12,
The number is not limited to one, and a plurality may be provided.

Further, in the present embodiment, the equipment mounting bottom plate 12 is formed by using a solid material, but the equipment mounting bottom plate 12 may be hollow or may have a U-shaped cross section. The thickness of the equipment mounting bottom plate 12 in the present embodiment refers to a substantial thickness which is the shortest distance from the back surface in contact with the wall of the equipment mounting bottom plate 12 to the front surface in contact with the storage equipment. Therefore, when a solid material is used, the thickness of the material and the thickness of the equipment mounting bottom plate 12 are the same, but for example, when the equipment mounting bottom plate 12 is formed in a hollow shape or has a U-shaped cross section. When formed, the material thickness and the distance from the back surface to the front surface do not match. Therefore, when the device mounting bottom plate 12 is formed in a hollow or U-shaped cross section, it is necessary to make the distance from the back surface to the front surface larger than at least the diameter of the wiring cable 4.

Further, when the storage device is attached to the device mounting bottom plate 12, screwing is usually performed, but there are cases where the device mounting screw position of the storage device overlaps a part of the wiring drawing opening 13 and cannot be screwed. . In such cases,
A structure that allows you to change the mounting position of the storage device or change the device mounting screw position on the storage device side (prepare multiple device mounting screw positions, and make the screw holes oblong so that the device mounting screw positions can be slid. It is only necessary to mount the storage device on the device mounting bottom plate 12 while avoiding the wiring drawing opening portion 13 by adopting the above.

[0024]

Since the wiring terminal box of the present invention is constructed as described above, it does not require a space for wiring the wiring in the wiring terminal box body, and therefore it is small and thin, and is provided on the bottom plate for mounting equipment. Since the shape of the wire pull-in opening is a single long hole, the wire pull-out hole and the wire pull-in opening overlap positionally even if the wire pull-out hole and the wiring terminal box are not aligned correctly Wiring lead-out holes are not required to be constructed with high precision when wiring is advanced, and even if the wiring lead-out position from the building frame is displaced from the specified position during the wiring terminal box installation work, the wiring terminal box It is possible to install the wiring terminal box, and all wiring can be laid and terminal processing can be performed from the front during installation work of the wiring terminal box, so that it is possible to provide a wiring terminal box that can be easily installed.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of a wiring terminal box of the present invention.

FIG. 2 is a cross-sectional view of the wiring terminal box of the above embodiment as viewed from above.

FIG. 3 is a perspective view of a device mounting bottom plate in the above embodiment.

FIG. 4 is a front view showing another example of the wiring lead-in opening portion of the equipment mounting bottom plate.

FIG. 5 is a front view showing another example of the wiring lead-in opening portion of the equipment mounting bottom plate.

FIG. 6 is a front view showing another example of the wiring lead-in opening of the equipment mounting bottom plate.

FIG. 7 is a front view showing an example of a conventional wiring terminal box.

FIG. 8 is a cross-sectional view of a conventional wiring terminal box viewed from above.

[Explanation of symbols]

 4 Wiring cable 11 Wiring terminal box body 12 Equipment mounting bottom plate 13 Wiring entry opening

Claims (1)

[Claims] 1. A wiring terminal box for terminating or relaying a wiring cable in a building body and accommodating various devices connected to the wiring cable, wherein a bottom surface of the wiring terminal box body has a thickness of at least a wiring cable diameter or more. And a wiring lead-in opening for pulling the wiring cable into the main body of the wiring terminal box.
A wiring terminal box, wherein the wiring terminal box is formed so as to continuously extend so as to spread over substantially the entire bottom plate of the device mounting and is formed in an elongated hole shape.