JPH06245334A - Distribution board - Google Patents

Abstract

PURPOSE:To facilitate work for connecting a load by employing a terminal cover having fixed and movable cover parts. CONSTITUTION:A terminal cover 30 comprises a fixed cover part 31 fixed to the output terminal part 5 of a breaker 1 while covering the output terminal part 5 and a conductor connecting piece 22 on one side thereof, and a movable cover part 32 hinged to the fixed cover part 31 while covering the conductor connecting piece 22 on the other side thereof. The movable cover part 32 has L-shaped profile defined by the body part 32a covering the piece 22 and a piece 32b hanging down from one end of the body 32a wherein the piece 32b is stopped at a protrusion 25 on a terminal block body 21 while bending. Load connecting work is facilitated without increasing the number of terminal covers by covering the conductor joint with the terminal cover when load is not connected whereas rotating the movable cover part in the direction for opening the other side of the conductor joint when a load is connected.

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 at a temporary site of a construction site.

[0002]

2. Description of the Related Art Conventionally, in this type of distribution board, the input terminal side of the breaker is covered with an insulating plate made of plastic and the output of the breaker is protected so as not to come into contact with electricity during wiring work. The terminal side is covered with a terminal cover made of plastic. To connect a load in this state, remove the breaker's terminal cover, connect the terminal block to which the load is connected, and then attach the terminal cover to the output terminal side again. By covering with.

[0003]

According to the above-mentioned distribution board, since the output terminal side of the breaker and the terminal block are covered with separate terminal covers, the number of terminal covers increases, so that the load can be connected. There was a problem that the work to do becomes difficult.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a distribution board in which the number of terminal covers does not increase and the work of connecting a load is facilitated. It is in.

[0005]

In order to solve the above-mentioned problems, a distribution board according to a first aspect of the present invention is configured such that a handle protrusion having an operation handle projecting therefrom and an insert provided at both ends of the handle protrusion. A breaker having an output terminal portion and a terminal block having a conductor connecting portion that connects one side to the output terminal portion and the other side to a load and is arranged so as to face the output terminal portion. In the electric board, a fixed cover portion fixed to the output terminal portion of the breaker and covering one side of the output terminal portion and the conductor connecting portion and a movable cover portion hinged to the fixed cover portion and covering the other side of the conductor connecting portion. The terminal cover is attached thereto.

According to a second aspect of the distribution board, the terminal cover of the first aspect is provided with holding means for holding the movable cover portion in a state where the other side of the conductor connecting portion is opened.

According to a third aspect of the present invention, in the distribution board according to the second aspect, the holding means comprises a protrusion of the handle of the breaker and an elastic locking piece which is formed on the movable cover portion and locks with the protrusion of the handle. is there.

[0008]

According to the structure of the present invention, when the load is not connected, the conductor connecting portion is covered with the terminal cover, and when the load is connected, the movable cover portion is opened in the direction in which the other side of the conductor connecting portion is opened. Can be performed by rotating.

According to the structure of claim 2, in addition to the effect of claim 1, the movable cover portion can be held at a position apart from the conductor connecting portion when a load is connected.

According to the structure of claim 3, in addition to the effect of claim 2, the movable cover portion can be easily held.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
It will be described based on.

Reference numeral 1 denotes a breaker, which has a handle convex portion 3 on which the operation handle 2 is provided, and input / output terminal portions 4 and 5 arranged at both ends of the handle convex portion 3. Handle protrusion
As shown in FIG. 2 and FIG. 3, the reference numeral 3 indicates a ground fault which is provided substantially in the center of the breaker 1 and projects when the leak current flows through the window hole 6 through which the operation handle 2 is projecting and the electric line. Through holes 9 and 10 are provided for the display button 7 and the test button 8 for generating a pseudo leakage current in the electric path so that the test button 8 can move back and forth.

The input / output terminal portions 4 and 5 are, as shown in FIG.
Terminal screws 14 for connecting the connection bar 13 to the three recesses 12, 12, 12 which are provided at both ends of the handle projection 3 and are isolated by the isolation wall 11, are provided respectively. Connection bar
Both ends of the breaker 13 in the longitudinal direction are notched in a U shape so that they can be easily connected to the terminal screw 14 of the breaker 1 and one side of a conductor connecting piece described later. A screw hole 15 for fixing a terminal cover described later is formed in the output terminal portion 5, and a fixing screw 16 is screwed to fix the terminal cover. According to the present embodiment, the breaker has a leakage display function,
It can also be applied to breakers that do not have an earth leakage display function.

A terminal block 20 has a terminal block body 21 formed of an insulating material such as plastic, and a conductor connecting piece 22 (conductor connecting portion) housed in the terminal block body 21. .
The terminal block body 21 has three storage chambers 24, 2 separated by a partition wall 23.
Divided into 4 and 24, conductor connection piece 22 (conductor connection part)
Are installed. Locking protrusions 25 are formed at both ends of the isolation wall 24 in the longitudinal direction so that a movable cover portion of a terminal cover described later can be locked. Further, a screw hole 26 for fixing to a box which will be described later is formed in the central partition wall 23, and is arranged so as to face the output terminal portion 5 by an attachment screw (not shown). At approximately the center of the accommodating chambers 24, 24, 24, a polarity display portion 27 for displaying the polarity of each electric path and fixing the conductor connecting piece 22 is formed.

The conductor connecting piece 22 is formed of a conductive metal such as a copper plate into a rectangular shape, and has connecting screws 28 for connecting the connecting bar 13 and a load (not shown) near both ends in the longitudinal direction.
Is provided. One side 22a of the conductor connecting piece 22 is connected to the output terminal portion 5 by the connecting bar 13, and the other side 22b is connected to a load (not shown).

Reference numeral 30 denotes a terminal cover, which is formed of an insulating material such as plastic and is fixed to the output terminal portion 5 of the breaker 1 and covers the output terminal portion 5 and the one side 22a of the conductor connecting piece 22 and the fixing cover portion 31. It has a movable cover portion 32 which is hinged to the cover portion 31 and covers the other side 22b of the conductor connecting piece 22. The fixed cover portion 31 holds the movable cover portion 32 with the screw hole 33 overlapping the screw hole 15 provided in the output terminal portion 5 on one end side and the other side 22b of the conductor connecting piece 22 for holding the movable cover portion 32 open. (Holding means) and a hinge 35 for hingedly attaching the movable cover portion 32 to the other end. Movable cover part
The movable cover portion main body 32a that covers the conductor connection piece 22 and the hanging piece 32b that hangs from one end of the movable cover portion main body 32a are formed in an L shape in a side view. Movable cover body
32a is provided with a magic tape 36 (holding means) which is hinged to the fixed cover portion 31 with a hinge 35 and fixed to the fixed cover portion 31 in a state where the conductor connecting piece 22 is opened. The movable cover portion 32 is locked with the hanging piece 32b bent on the locking projection 25 of the terminal block body 21. As shown in FIG. 3, the fixed cover portion 31 and the movable cover portion 32 have a velcro tape 3
4, 36 (holding means) holds the conductor connection piece 22 in an open state. In the figure, 40 is a box forming a distribution board, 41 is a connection bar on the input side of the power supply,
42 is an insulating plate that covers the input terminal side 4, 43 is a board frame that fixes the breaker 1 and the terminal block 20 to the box 40, and 44 is a door that closes the opening of the box 40.

Next, a second embodiment of the present invention will be described with reference to FIGS.
It will be described based on. This is different from the first embodiment in that the holding means of the terminal cover is composed of the handle convex portion and the elastic locking piece, which will be described below.

That is, the terminal cover 30 is formed of an insulating material such as plastic and is fixed to the output terminal portion 5 of the breaker 1 and the fixed cover portion 31 that covers the output terminal portion 5 and the one side 22a of the conductor connecting piece 22. It has a movable cover portion 32 which is hinged to the fixed cover portion 31 and covers the other side 22b of the conductor connecting piece 22. The fixed cover portion 31 is provided with a screw hole 33 on one end side that overlaps with the screw hole 15 provided on the output terminal portion 5, and a hinge 35 for hingedly attaching the movable cover portion 32 on the other end side.
The movable cover portion 32 includes a movable cover portion main body 32a that covers the conductor connection piece 22, a hanging piece 32b that hangs from one end of the movable cover portion main body 32a, and an elastic locking piece 32c that is inclined from the hanging piece 32b. And have. Movable cover body 32a
Is hinged to the fixed cover portion 31 by a hinge 35. In this movable cover part 32, the hanging piece 32b is used as a locking protrusion of the terminal block body 21.
Locked in a bent state at 25. Also, this terminal cover 30
Is held in a state in which the elastic locking piece 33c is bent by the handle convex portion 3 of the breaker 1.

[0019]

According to the distribution board of the first aspect, the direction in which the conductor connecting portion is covered with the terminal cover when the load is not connected and the other side of the conductor connecting portion is opened when the load is connected. This can be done by rotating the movable cover part, and the number of terminal covers does not increase, so that the work of connecting a load becomes easy.

According to the distribution board of claim 2, when the load is connected, the movable cover portion can be held at a position apart from the conductor connecting portion, and in addition to the effect of claim 1, the load is further connected. Work becomes easy.

According to the distribution board of claim 3, claim 2
In addition to the effects described above, it is possible to easily hold the movable cover portion.

[Brief description of drawings]

FIG. 1 is a top view showing a first embodiment of the present invention.

FIG. 2 is a top view showing a state in which the thing of FIG. 1 is incorporated in a box.

FIG. 3 is a side view showing a state in which a movable cover portion of the terminal cover of FIG. 1 is held by a breaker.

FIG. 4 is an exploded perspective view of that of FIG.

FIG. 5 is a side view showing a second embodiment of the present invention.

FIG. 6 is an exploded perspective view of the one shown in FIG.

[Explanation of symbols]

 1 Breaker 2 Operation handle 3 Handle protrusion 4 Input terminal 5 Output terminal 20 Terminal block 22 Conductor connection piece (conductor connection) 22a One side 22b Other side 30 Terminal cover 31 Fixed cover section 32 Movable cover section 34 Magic tape ( (Holding means) 35 Hinge 36 Velcro (Holding means)

Claims (3)

[Claims] 1. A breaker having a handle protrusion having an operation handle projecting therefrom and input / output terminal portions arranged at both ends of the handle protrusion, and one side connected to an output terminal portion and the other side connected to a load. A terminal board having a conductor connecting portion to be connected and arranged to face the output terminal portion, and one of the output terminal portion and the conductor connecting portion fixed to the output terminal portion of the breaker. A distribution board formed by attaching a terminal cover having a fixed cover portion covering the side and a movable cover portion hinged to the fixed cover portion and covering the other side of the conductor connecting portion. 2. The distribution board according to claim 1, wherein the terminal cover is provided with a holding means for holding the movable cover portion in a state where the other side of the conductor connecting portion is opened. 3. The distribution board according to claim 2, wherein the holding means includes a handle protruding portion of the breaker and an elastic locking piece formed on the movable cover portion and locked to the handle protruding portion.