JPH03190031A - Lead wire terminal base device - Google Patents

Abstract

PURPOSE:To make wiring easy and improve safety by forming a terminal base device of a terminal base composed of a frame made of an insulating material and a stepped lead wire terminal fixing seat integrally formed on one side of the frame and a lid for closing the terminal base. CONSTITUTION:A terminal 7 is inserted through a square hole 63 to be fixed to a lead wire terminal fixing seat 60 of a terminal base 30, and an inner lead wire of a breaker body is soldered to a protrusion 7a of the terminal 7. Then the base 30 is fixed by a screw to a base of the body, and a tip of an outer lead wire 8 is fixed to the terminal 7 by a fixing screw 10 to make wire connection between the inner and outer lead wires. On the base 30 wherein connection has been completed, a slit 53 of a lid 50 is engaged with a guide protrusion 61, while a hook 62 of the base 30 is engaged with an engaging hole 52 of the lid 50 to close the fixing seat 60 from outside. Thus a side of the fixing seat is opened to simplify wiring and safety is improved with the lead wire closed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lead wire terminal block device used as an auxiliary device for electrical equipment such as a circuit breaker.

[Prior Art] FIGS. 4 and 5 are a side view and a perspective view of a lead wire terminal block device used in a conventional circuit breaker, as disclosed in, for example, Japanese Utility Model Application No. 63-49742. , In these figures, (1) shows the circuit breaker main body as the electrical equipment main body, which is protected by a box body (2) consisting of a base (2a) formed of an insulating material and its cover (2b). Although the internal structure of the 0-circuit breaker main body (1) is not shown, a normal interrupting mechanism, an alarm switch, an auxiliary switch, etc. are built in as required. (3) shows a lead wire terminal block (hereinafter simply referred to as a terminal block) attached to the side wall of the box (2), and this terminal block (3) has a surface parallel to the mounting surface of the box (2). a plurality of step-like steps (4a) in the left and right directions in the length direction with the upper center as a boundary;
(5a) is formed on the flat plate-shaped first frame (4) and the second
frame (5), first frame (4) and second frame (5)
) are interposed between the first and second frames (4), (5
) The lead wire terminal mounting seats (6) are formed in a series in a plurality of steps in correspondence with the stepped portions (4a) and (5a). These first and second frames (4), (
5) and a lead wire terminal mounting seat (6), the terminal block (3) is integrally formed of an insulating material. (7) indicates a connection terminal installed on each lead wire terminal mounting seat (6);
It has a protrusion (7a) that protrudes from the back surface of.

(8) is a terminal (7) on each lead wire terminal mounting seat (6).
) shown on the external lead wire connected to the fixing screw (10)
is fixed to the lead wire terminal mounting seat (6) together with the terminal ()). (9) indicates an internal lead wire connected to the protrusion (7a) of the terminal (7) and wired to a terminal wire (not shown) in the circuit breaker body (1).

The conventional lead wire terminal block device having the above configuration has a first
The outer parallel surface of the frame body (4) is fixed to the base of the box body (2) containing the circuit breaker body (1), and the circuit breaker body <1
) Connect the internal lead wire (9) pulled out from the terminal (7) to the protrusion (7a) with solder, etc., and connect the external lead wire (8) on the lead wire terminal mounting seat (6). Connect and fix to terminal (7).

[Problems to be Solved by the Invention] In the conventional lead wire terminal block device as described above, when the external lead wire (8) is attached and the internal lead wire (9) is connected and attached, the first frame (4) ) and the second frame (5>), but since the distance between them is small,
Installation requires skill, especially the internal lead wire (9).
There was a problem in that the solder connection work required a great deal of effort. In addition, the lead wire terminal mounting seat (6) and the first and second frames (4) and (5) are formed in a stepped shape to facilitate the installation of the external lead wire (8). Therefore, it is difficult to cover the connection portion of the external lead wire (8) and the connection portion is exposed, which poses a major problem in work safety during connection work and maintenance. Furthermore, when attempting to install the circuit breaker bodies (1) in parallel as shown in Figure 6, the terminal block (3) is located between the circuit breaker bodies (1) and (1) on the wiring. There was also the problem that the width dimension (h) of the lead wire terminal block (3) could not be made large because the lead wire terminal block (3) was attached to the lead wire terminal block (3).

This invention was made to solve the above problems, and it is possible to facilitate the connection work of external lead wires and internal lead wires without making the width of the lead wire terminal mounting seat larger than before. It is an object of the present invention to provide a lead wire terminal block device which can cover and hide each lead wire terminal mounting seat.

[Means for Solving the Problems] A lead wire terminal block device according to the present invention includes a frame body formed of a flat plate of insulating material, and a stepped lead wire terminal integrally formed on one side of the frame body. The terminal block is composed of a terminal block that includes a mounting seat, and a lid that is detachably attached to the terminal block and closes the terminal block.

[Function] In the lead wire terminal block device of the present invention, each lead wire is wire-connected on the lead wire terminal mounting seat with the lid body removed from the terminal block, and the 7111 body is attached to the terminal block, and the lead wires are It is designed to cover the connecting part.

[Example] Hereinafter, an example of the present invention will be described based on the drawings. 1st
Figures 3 through 3 are views showing one embodiment of a lead wire terminal block device for a circuit breaker, with FIG. 1 being an overall side view thereof, FIG. 2 being a perspective view of the lead wire terminal block device, and FIG. 3 being a perspective view of the lead wire terminal block device. 2 is an exploded perspective view of the same, in which the same or corresponding parts as in FIGS. 4 to 6 described above are denoted by the same reference numerals, and the explanation thereof will be omitted.

In the figure, (30) indicates a terminal block, and this terminal block (30)
0) is attached to the side wall of the circuit breaker body (1), and includes a flat frame (40) parallel to the side wall, and this frame (40).
), which extends perpendicularly to the parallel plane of the frame body (40), and has a step-like lead wire terminal mounting seat (60) formed in a series of a plurality of steps on the left and right with the longitudinal center portion of the frame body (40) as the peak;
The frame body (40) and the lead wire terminal mounting seat (60) are made of an insulating material to form an integrated terminal block (30). (61
) is a T-shaped guide protrusion formed on the lead wire terminal mounting seat (60); (62) is a hook that produces a snap hit formed at the top of the step of the lead wire terminal mounting seat (60);
(63) indicates each step (64) of the lead wire terminal mounting seat (60).
), and the protrusion (7a) of the terminal (7) is inserted and fixed into this square hole (63). (7
(b) shows the screw hole formed in the terminal (A) and into which the fixing screw (10) is screwed; (50) shows the lead wire terminal mounting seat () facing the frame (40) of the terminal block (30); The upper part of the lid (50) has a ceiling surface (51) that matches the upper edge of the frame (40), and the whole is formed in the shape of There is. This lid body (50
) is the hook (63) of the lead wire terminal mounting seat (60).
) is engaged with the engagement hole (52) and the guide protrusion (61)
A slit (53) is formed to guide the.

To assemble the lead wire terminal block device configured as described above, first, the lead wire terminal mounting seat (60) of the terminal block (30) is assembled.
Insert the terminal (7) through the square hole (63) and secure it. Next, an internal lead wire (9) of a disconnection mechanism device (not shown) to be incorporated into the circuit breaker body (1) is soldered to the protrusion (7a) of the terminal (7). Next, the terminal block (30)
is fixed to the base (2a) of the circuit breaker body (1) by screws or other suitable means.

After that, fix the tips of the external lead wires (8) to each terminal (7) with the fixing screws (10), and then
Complete the wiring connections in 9). After completing this wiring connection, slide the lid (50) parallel to the terminal block (30) (3rd
(see arrow A in the figure) and the slit (53) of the lid (50).
is engaged with the guide protrusion (61) of the terminal block (30).

Also, attach the hook (62) of the terminal block (30) to the lid (50).
The lid body (50) is engaged with the engagement hole (52) of the terminal block (3
0), and closes the lead wire terminal mounting seat (60) from the outside.

In addition, although the said Example demonstrated the terminal block (30) of a stairwell, this invention is applicable also to the terminal block extended in a horizontal direction and a vertical direction.

[Effects of the Invention] As explained above, the lead wire terminal block device of the present invention is provided with a lid body that removably closes the lead wire terminal mounting seat of the terminal block, and in a state where the lid body is removed. Since one side of the lead wire terminal mounting seat is open, wiring work can be easily performed. Also,
After wiring is connected, the terminal block is closed with the lid so that the lead wire terminal mounting seat is not exposed to the outside.
It is highly safe and has the effect that the width of the lead wire terminal mounting seat does not need to be large for ease of work.

[Brief explanation of drawings]

Fig. 1 is an overall side view of the device installed in a circuit breaker as an embodiment of the present invention, Fig. 2 is a perspective view of the lead wire terminal block device of Fig. 1, and Fig. 3 is an exploded perspective view of Fig. 2. 4 is an overall side view of a conventional circuit breaker, FIG. 5 is a perspective view of the lead wire terminal block device of FIG. 4, and FIG. 6 is a plan view of the circuit breaker arranged side by side. (1) is the circuit breaker body, (30) is the terminal block, (40)
(50) is a lid, (60) is a lead wire terminal mounting seat, (7) is a terminal, (8) is an external lead wire, and (9) is an internal lead wire. In each figure, the same reference numerals indicate the same or corresponding parts. Agent Person Zeng My Way Clear 1 Figure 1: rIJtl [11118 body 7- exclamation) 8: External lead fly 9: Inner view lead fly ω° Ward S Pigeon) Installer W) 4 Figure 1

Claims (1)

[Claims] In a lead wire terminal block device that is attached to a wall of an electrical device and includes a terminal block that connects an internal lead wire of the electrical device and an external lead wire from an external electrical device, the terminal block includes:
It consists of a flat frame made of an insulating material and a lead wire terminal mounting seat made of an insulating material integrally formed on one side of the frame, and the terminal block is provided with a lead wire terminal mounting seat that is closed off. A lead wire terminal block device characterized in that a lid body is provided in a detachable manner.