JPH06335122A - Panel board - Google Patents

Abstract

PURPOSE:To provide a panel board in which a second cover is scarcely slid in a direction for blocking an opening of a box when an inner unit is inspected to facilitate inspection of the unit. CONSTITUTION:The panel board comprises a box 1 of one surface opening, an inner unit arranged in the box and having a breaker for supplying electricity to each branch circuit, and an intermediate cover 14 protruding at a handle of the breaker. The board further comprises an outer cover 15 for blocking an opening of the box with a first cover 16 rotatably supported at one side to one side plate 3 of the box and a second cover 17 rotatably supported at one side to the other side of the first cover and slidably arranged at the other end to the box. A magnet 19 for attracting the first and second covers is provided in an open state is provided at the first cover of the outer cover, and an attracting part 14d to be attracted to the magnet in a state that the outer cover is closed is provided at the intermediate cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution board used on the ceiling.

[0002]

2. Description of the Related Art A distribution board of this type is a box-shaped box body having an opening on one side by a bottom plate and four side plates, and an electric power is supplied to each branch circuit provided inside the box body. An internal unit including a breaker, an inner cover that allows at least a handle of the breaker to project and display for each branch circuit, a first lid member rotatably supported on one side plate of a box body, and the first lid member. An outer lid for closing the opening of the box body with a second lid member, one side of which is rotatably supported and the other side of which is slidably arranged in the box body, is provided on the other side of the lid material.

In order to inspect the inner unit of the distribution board, the other side of the second lid member of the outer lid is slid in the direction of the first lid member to make the second lid member.
The inner lid is removed while the other side of the lid material is brought close to the first lid material. After inspecting the inner unit, the inner lid is attached and then the other side of the second lid member of the outer lid is slid in the direction opposite to the first lid member to close the opening of the box body.

[0004]

According to the distribution board described above, in order to inspect the inner unit, the other side of the second lid member of the outer lid is slid in the direction of the first lid member and the second lid member is slid. Since the inner lid is removed with the other side of the box close to the first lid member, the second lid member slides in the direction of closing the opening of the box body when inspecting the internal unit. There are cases. In this case, there is a problem that the inspection work of the internal unit is troublesome.

The present invention has been made in view of the above circumstances, and its purpose is to provide a second check when the internal unit is inspected.
Another object of the present invention is to provide a distribution board that makes it difficult for the lid member to slide in the direction in which it closes the opening of the box body, and thus makes it easy to inspect the internal unit.

[0006]

In order to solve such a problem, the distribution board according to claim 1 is a box-shaped box body having an opening on one surface by a bottom plate and four side plates, and this box body. An internal unit including a breaker that is provided inside each of the branch circuits to supply electricity to each branch circuit, an inner lid that projects at least a handle of the breaker, and a first lid that is openably and closably supported on one side by a side plate of the box body. And an outer lid for closing the opening of the box body with a second lid material, one side of which is rotatably supported and the other side of which is slidably arranged in the box body, on the other side of the first lid material. In the distribution board, the first lid member and / or the second lid member of the outer lid,
A magnet that attracts the first lid member and the second lid member in the opened state is provided, and the inner lid is provided with an attracting portion that is attracted to the magnet when the outer lid is closed.

According to a second aspect of the distribution board, the box of the first aspect is provided with a slide groove, and the other side of the second lid member is provided with a shaft loosely fitted in the slide groove.

According to a third aspect of the distribution board of the present invention, in the second lid member of the second aspect, the rotation fulcrum rotatably supported by the first lid member is used as a rotating member on one side of the first lid member. It is configured to be positioned on the outer side of a straight line connecting the fulcrum and the axis of the second lid member.

[0009]

According to the structure of claim 1, when the other side of the second lid member of the outer lid is slid toward the first lid member, the second lid member is attracted to the first lid member and When the other side of the second lid member of the lid is slid in the direction opposite to the first lid member, the first and / or second lid member is adsorbed to the inner lid.

According to the structure of claim 2, in addition to the function of claim 1, when the other side of the second lid member is pushed toward one side, the shaft moves along the slide groove.

According to the structure of claim 3, in addition to the function of claim 2, when the other side of the second lid member is pushed toward the first lid member, the second lid member turns to the first lid member. The rotatably supported fulcrum moves outward.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

Reference numeral 1 denotes a box body, which is formed by bending an iron plate to form a bottom plate.
2 and a side plate 3 erected from the four circumferences of the bottom plate 2 form a box shape having an opening on one surface. As shown in FIGS. 2 and 3, the side plate 3 is formed in a state where the side plate 3 on the side protrudes to the front side more than the side plate 3 on the upper and lower sides.
A slide groove 3a is provided in which a shaft of a first lid member described later is loosely fitted. Further, the upper side plate 3 is provided with through holes 3b for introducing and leading out the power supply side electric wire 4 and the load side electric wire 5, respectively, so that electricity can be supplied to each branch circuit (each load).

As shown in FIG. 4, an internal unit 6 is provided with a breaker 7 arranged in the lower part of the box body 1 for supplying electricity to each branch circuit, and an upper part arranged in the upper part of the box body 1. It has a terminal block 8 for supplying electricity to each branch circuit (each load). The breaker 7 is a main breaker 7a connected to the power supply side electric wire 4 introduced into the box 1, and an output side of the main breaker 7a electrically connected via a branch bar 7b to a terminal block 8 and a load side. It is composed of a branch breaker 7c for supplying electricity to a load (not shown) via the electric wire 5. The terminal block 8
Outlet terminal directly connected from the branch breaker 7c
8a, and an illumination terminal portion 8b connected to each illumination facility via an illumination blinking opening / closing unit 9 that can be remotely operated from an external central monitoring and control device. In the figure, 10 is a watt hour meter having a function of outputting the weighing data in the distribution board to the outside, and 11 is a signal transmission of the metric data of the watt hour meter 10 to the signal transmission terminal device 12. It is a signal transmission unit. Reference numeral 13 is an outlet that is energized regardless of whether the breaker 7 is on or off. When a power source is required for the inspection of the internal unit 6, various inspection tools can be inserted and used.

Reference numeral 14 denotes an inner lid, which has an opening 14a through which the handle of the breaker 7 and the outlet 13 are projected to conceal the internal unit 6. The inner lid 14 has a display sticker (not shown) for indicating the place of use for each branch circuit attached to the vicinity of the opening 14a. Further, as shown in FIG. 6, the inner lid 14 has a hook portion 14b which is hooked on the dharma hole 1a of the box body 1 at an upper portion thereof and is attached to a mounting hole 1b of the box body 1 at a lower portion thereof. The attachment parts 14c are provided respectively, and the attachment parts 14 of the inner lid 14 are provided.
The inner lid 14 can be removed from the box body 1 only by removing c from the attachment hole 1b of the box body 1 and releasing the hooking portion 14b from the state of being hooked in the dharma hole 1a of the box body 1. In the figure, reference numeral 14d is an attracting portion which is attracted to the magnet of the outer lid which will be described later.

Reference numeral 15 is an outer lid, which is formed by bending an iron plate or the like, and has a first side 16a rotatably supported by one side plate of the box body 1.
One side 17a is rotatably supported by the lid member 16 and the other side 16b of the first lid member 16, and the other side 17b is formed by the second lid member 17 slidably arranged in the box body 1, It blocks the opening of Box 1. The first lid member 16 and the second lid member 17 are rotatably supported by a hinge 18, and the second lid member 17 is a slide groove 3a of the box body 1.
17c that is loosely fitted to the box body 1 by pushing up and down along the slide groove 3a.
The opening can be opened and closed. Also, this second
As shown in FIG. 1, the lid member 17 has a turning fulcrum 18a rotatably supported by the first lid member 16, a turning fulcrum 16c on one side of the first lid member 16 and a second lid member 17a. The outer cover 15 is located on the outer side of the straight line AA connecting the shaft 17c of the outer cover 17c so that the outer lid 15 can be opened and closed smoothly.

Further, the suction portion 17d of the second lid member 17 is attracted to the first lid member 16 with the opening of the box member 1 open, and the box member 1
A magnet 19 that attracts to the attracting portion 14d (magnetic material) of the inner lid 14 with the opening of is closed is provided. Adsorbed on
The outer lid 15 is adsorbed to the inner lid 14 with the opening of the box 1 closed. As a result, the inner container 6 can be inspected without manually pressing the second lid member 17 from sliding in the slide groove 3a, and the opening of the box body 1 can be tightly closed to improve usability.

Further, the outer lid 15 is replaced with the first lid member 16 and the second lid member 17.
As shown in FIG. 7, the second lid member
By sliding the other side 17b of 17 to the box body 1, the outer lid 15 becomes a substantially V-shape at the connecting portion (hinge 18) of the first lid member 16 and the second lid member 17, as shown in FIG. When the worker B inspects in the narrow ceiling A, the opening / closing locus of the outer lid 15 can be made small, so that the outer lid 15 does not get in the way when the outer lid 15 is open, which facilitates the work such as inspection. it can.

According to this embodiment, since the magnet is provided on the first lid member, the force for pushing up the second lid member may be weak. Further, by providing the second lid member with a magnet, the opening of the box body can be further closed exactly while being attracted to the inner lid. Furthermore, when magnets are provided on both the first lid member and the second lid member, the suction force of the outer lid can be further improved.

Further, according to the present embodiment, the inner lid is provided with the attracting portion, but this attracting portion is attracted by the magnet, and the inner lid itself may be formed of a magnetic material. . Further, the shape and size of the magnet may be appropriately designed so that the first lid member and the second lid member do not easily come off when attracted.

[0021]

According to the distribution board of the first aspect, when the other side of the second lid member of the outer lid is slid toward the first lid member, the second lid member becomes the first lid member. Adsorbed, slide the other side of the second lid member of the outer lid in the opposite direction to the first lid member,
Since the first and / or second lid member is adsorbed to the inner lid, when inspecting the inner unit, it is difficult for the second lid member to slide in the direction of closing the opening of the box body, which facilitates the inspection work of the inner unit. Becomes

According to the distribution board of claim 2, when the other side of the second lid member is pushed up toward one side, the shaft moves along the slide groove. Therefore, in addition to the effect of claim 1,
The outer lid can be opened and closed smoothly.

According to the distribution board of the third aspect, when the other side of the second cover member is pushed up toward one side, the second cover member is rotatably supported by the first cover member. Since the fulcrum moves outward, in addition to the effect of the second aspect, the outer lid can be opened and closed smoothly.

[Brief description of drawings]

FIG. 1 is an explanatory view of opening / closing an outer lid showing an embodiment of the present invention.

FIG. 2 is a perspective view of the appearance of FIG. 1 with an outer lid open.

FIG. 3 is a perspective view of the appearance of FIG. 2 with the outer lid closed.

FIG. 4 is a front view showing a state in which the inner lid of FIG. 2 is removed.

5 is a front view showing a state in which the inner lid of FIG. 4 is attached.

6 is a cross-sectional view of that of FIG.

FIG. 7 is an explanatory diagram showing a method of attaching the inner lid of FIG. 4 to the box body.

8 is a partially enlarged view showing a magnet of an outer lid of FIG. 1. FIG.

FIG. 9 is an explanatory view showing a method of arranging the one shown in FIG. 1 on the back of the ceiling for inspection.

[Explanation of symbols]

 1 Box 2 Bottom plate 3 Side plate 6 Internal unit 7 Breaker 14 Inner lid 14d Adsorption part 15 Outer lid 16 First lid 16a One side of first lid 16b Other side of first lid 17 Second lid 17a Second One side of the lid material 17b The other side of the second lid material 19 Magnet

Claims (3)

[Claims] 1. A box-shaped box body having an opening on one surface of a bottom plate and four side plates, and an internal unit including a breaker disposed inside the box body and supplying electricity to each branch circuit, At least an inner lid that projects the handle of the breaker, a first lid member whose one side is rotatably supported on one side plate of the box body, and one side rotatably supported on the other side of the first lid member and the other side A distribution board provided with an outer lid for closing the opening of the box body with a second lid material slidably arranged in the box body, wherein the first lid material and / or the second lid material of the outer lid is A magnet for attracting the first lid member and the second lid member in the opened state is provided, and the inner lid is provided with an attracting portion that is attracted to the magnet when the outer lid is closed. Distribution board. 2. The distribution board according to claim 1, wherein a slide groove is provided in the box body, and a shaft loosely fitted in the slide groove is provided on the other side of the second lid member. 3. The second lid member connects a turning fulcrum rotatably supported by the first lid member with a turning fulcrum on one side of the first lid member and a shaft of the second lid member. The distribution board according to claim 2, wherein the distribution board is located on the outer side of the straight line.