JPH04357678A - Terminal board - Google Patents

Abstract

PURPOSE:To reduce the size of an apparatus provided with a terminal board by reducing a space for connecting and fixing wire. CONSTITUTION:For a terminal board 1 for connecting a wire 2, a terminal base 1b for fixing the terminal board 1 to a structure A2 and a connection board 1c for inserting and connecting the wire, are provided, while the connection board 1c is rotated around a shaft 1d which is a part of the terminal base 1b.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal block.

0002

[Prior Art] FIG. 5 is a plan view showing a conventional terminal block 1 mounted on an electrical installation board A. The housing A1 is box-shaped with an open top surface and has a flange bent outward at the periphery of the open part. ing. The terminal block 1 is fixed to the right end of a middle plate A2, which corresponds to a structure assembled to the bottom of the housing A1 of the electrical installation panel A. In addition, a box-shaped electronic circuit block A3, which is an internal unit, is also assembled in a small space on the middle plate A2.

The electrical installation panel A is attached to the wall of the building, and the electric wires 2 for supplying power to the electronic circuit block A3 and outputting control signals from the electronic circuit block A3 to the outside are connected via the terminal block 1. Connected.

0004

[Problems to be Solved by the Invention] However, in general, in a terminal block, the electric wire 2 is pinched with the fingers and the core wire 2a is tightened with the screw 1a.
After inserting from the side, the tightening screw 1a is rotated from above with a screwdriver, etc., and the core wire 2a is tightened to connect and fix. Therefore, it is necessary to provide a space on one side of the horizontal direction and above the tightening screw 1a of the terminal block 1 for connecting and fixing the electric wire 2. There was a problem that it became an obstacle to the implementation of the system.

The present invention was made in order to improve the above-mentioned problems, and its purpose is to reduce the space required for connecting and fixing electric wires, and to provide a terminal block such as an electrical installation board. The object of the present invention is to provide a terminal block that enables the miniaturization of necessary equipment.

[0006]

[Means for Solving the Problems] In order to solve the above problems, the present invention provides a terminal block for connecting electric wires, which includes a terminal base for fixing the terminal block to a structure and a connection block for inserting and connecting the electric wires. The terminal base is configured such that the connection base rotates around a part of the terminal base.

[0007]

[Operation] With the above-described structure, the electric wire can be inserted and tightened from above.

[0008]

[Embodiment] An embodiment of the terminal block according to the present invention is shown below in FIG.
~Details will be explained based on FIG. 4. Note that in FIGS. 1 to 4, the same parts as in the conventional example are given the same reference numerals, so a detailed explanation of the electrical installation panel A will be omitted.

FIGS. 1 and 3 are longitudinal cross-sectional views of the vicinity of the terminal block 1, showing a state in which the terminal block 1 according to the present invention is mounted on an electrical installation panel A, and FIGS. 2 and 4 are longitudinal cross-sectional views of the terminal block 1 according to the present invention. Electrical installation panel A
FIG. The difference between FIGS. 1 and 2 and FIGS. 3 and 4 is that the connection block 1c is rotated approximately 90 degrees about the shaft 1d with respect to the terminal base 1b, and in FIGS. 1a is tilted parallel to the middle plate A2, and in Figures 3 and 4, the tightening screw 1a
is upright with respect to the middle plate A2.

As shown in FIGS. 1 and 2, the terminal base 1b of the terminal block 1 is fixed to the middle plate A2 of the electrical installation panel A. As shown in FIGS. The terminal block 1 includes a terminal base 1b and a connection block 1c.
b holds the connection base 1c from both sides, and the connection base 1c is held by the terminal base 1b so as to be rotatable approximately 90 degrees about the shaft 1d. In addition, the connection stand 1c is configured so that the required number can be connected, and in FIGS. 2 and 4, 7
are connected.

Now, in order to connect and fix the electric wire 2 to the terminal block 1, first, as shown in FIGS. 1 and 2, tilt down the connection block 1c so that the tightening screws 1a are parallel to the middle plate A2, and then remove the housing. Insert the core wire 2a of the electric wire 2 from above A1 under the head of the tightening screw 1a. Thereafter, as shown in FIGS. 3 and 4, the connection base 1c is rotated 90 degrees with respect to the terminal base 1b so that the tightening screw 1a stands upright with respect to the middle plate A2, and then the locking mechanism provided as appropriate (Fig. (not shown) to lock the connection base 1c to the terminal base 1b so that the connection base 1c does not rotate. Then, by tightening the tightening screw 1a from above the housing A1 with a screwdriver, the electric wire 2 is connected to the terminal block 1.
It can be fixedly connected to.

Therefore, since the electric wire 2 can be inserted and tightened from above, the housing A1 is placed on both sides of the terminal block 1.
Even if the electronic circuit block A3 as an internal unit approaches, the electric wire 2 can be connected and fixed to the terminal block 1 without any hindrance.

[0013]

[Effects of the Invention] Since the terminal block of the present invention is constructed as described above, the wires can be inserted and tightened from the same direction, so if there is space on one of the four sides (top, bottom, left and right), it is possible to insert and tighten the wires into the terminal block. It is possible to provide a terminal block that can connect and fix electric wires and downsize devices that require a terminal block.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view of the vicinity of a terminal block in which an embodiment of the terminal block of the present invention is mounted on an electrical installation board.

FIG. 2 is a plan view of an embodiment of the terminal block of the present invention mounted on an electrical installation board.

[Fig. 3] An embodiment of the terminal block of the present invention is mounted on an electrical installation board,
FIG. 3 is a vertical cross-sectional view of the vicinity of the terminal block when the connection block is rotated 90 degrees with respect to the terminal base.

[Fig. 4] An embodiment of the terminal block of the present invention is mounted on an electrical installation board,
FIG. 3 is a plan view of the connection block rotated 90 degrees with respect to the terminal base.

FIG. 5 is a plan view of a conventional terminal block mounted on an electrical installation board.

[Explanation of symbols]

1 Terminal block 1b Terminal base 1c Connection stand 1d axis 2 Electric wire A2 Structure

Claims (1)

[Claims] 1. A terminal block for connecting electric wires, comprising a terminal base for fixing the terminal block to a structure and a connection block for inserting and connecting the electric wires, the connection block being a part of the terminal base. A terminal block characterized by rotating around an axis.