JPS6235466A - Terminal for electric appliance - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a terminal device for electrical equipment such as a time switch.

[Conventional technology]

A conventional terminal device of this type is shown in FIG. Referring to Fig. 5, (1) is an outer shell (main body) having several operation holes (5) opening on the top surface (101), and inside each operation hole (5) there is a terminal fitting ( 2) and a connecting part (4) consisting of a terminal screw (3) and the like.

Note that a 1i wire insertion hole (6) for inserting a connecting wire is provided on the outer side (1). In addition, the terminal screw (3) has a rotatable screw on its neck and a terminal screw (3).
A spring washer (7) and a wire holding washer (8) that advance and retreat as one unit are installed. NJ, terminal screw (3J, spring washer [7), t, i holding washer (8) A so-called self-fabricated terminal screw is constructed.

[The point where the invention attempts to solve the problem]

In the conventional terminal device configured as described above, the operation hole (5) is made as deep as possible to improve safety in order to prevent accidents caused by accidentally touching the terminal screw [37]. On the other hand, this makes it extremely difficult to assemble the terminal screw] 3) into the terminal fitting (phantom).
As shown in Figure 6, the terminal screw (3) is easily tipped over inside the operation hole (5), and once it falls over, the terminal screw (37)
There was a problem in that it was difficult not only to take out the terminal screws (T) but also to make the terminal screws (3) stand upright, resulting in very poor wire connection workability.

This invention was made in order to solve the above-mentioned problems, and its purpose is to provide a terminal device that prevents the terminal screw from falling down, allows easy and quick wiring work, and ensures sufficient safety. shall be.

[Means for solving problems]

The terminal device for electrical equipment according to the present invention is provided with a notch perpendicular to the periphery of the IE wire holding washer that is held integrally with the terminal screw, and a guide T that fits into the notch on the wall surface of the operation hole that accommodates the IE wire press washer. It has protruding ribs.

[Effect]

In this invention, by fitting the notch provided in the wire holding washer with the rib provided on the wall of the operation hole, the terminal screw can smoothly advance and retreat while maintaining the correct posture without falling over within the operation hole. .

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. (3) is the terminal screw, f7JF81 is the spring washer and 'ME wire holding washer that are attached to the neck of this terminal screw, and the four sides of the ins holding washer (8) are! A cutout 181118X5 is provided in each center. A rib 6υ is provided on the inner wall surface of the operation hole (5J) corresponding to the notch 81JI8'A of this wire holding washer (8).
Fit the rib 1υ into the notch @η of the presser washer (3), and the rib (goods) into the notch (A). When the presser washer (8) is dropped into the operation hole (5), the operation hole (5)
The washer (8) can freely move forward and backward in the depth direction.

With the configuration as described above, when the wire holding washer (8) integrated with the terminal screw (3) is inserted into the operation hole (5) from the opening of the operation hole (5), as shown in Fig. 1). As shown in FIG. This is prevented by the abutting engagement between the haze and the notch. That is, the wire holding washer (8)
, Y, it does not rotate in either direction and slides only in the depth direction of the operation hole (5). Therefore 1! Wire presser washer (
Even if the terminal screw (31) integrally connected with the terminal fitting (2) is disengaged, the wire holding washer (8)
) is the terminal fitting (2)! Since it advances and retreats while maintaining a parallel relationship, the terminal screw (3) does not fall over inside the operation hole (5) like in the conventional type, and the tip of the screwdriver does not engage with the head of the terminal screw (3). , the tip of the terminal screw (3) can be easily seen into the screw hole of the terminal fitting (2), making the wiring work very easy.The workability of the above wiring work is also improved by using the operation hole (5). ), so safety can be increased by making the operation hole (5) a little deeper to prevent electric shock accidents.

In the above embodiment, one rib was provided on each of the eight walls of the operation hole (5), for a total of eight ribs. ) may be provided with one rib on each of the two perpendicular sides, that is, two ribs in total, or a circular one may be used as the wire holding washer (8) as shown in FIG.

〔Effect of the invention〕

As described above, according to the present invention, a notch is provided in the orthogonal direction of the wire holding washer held at the neck of the terminal screw, and a guide rib corresponding to the notch is provided on the wall surface of the operation hole on the main body side. The terminal screw has the effect of allowing smooth screwing work without falling inside the operation hole.

[Brief explanation of the drawing]

Figure 1 ←) Figure 1 shows an embodiment of this invention.
(a) is the plan view, (b) is the front view, (/1
Figure 2) is a side sectional view, Figure 2 is a perspective view of the main part, and Figure 8 is a side sectional view.
4 is a plan view showing another embodiment of the present invention, and FIG. 6 is a plan view showing another embodiment of the present invention.
The figures are a plan view (a) and a front view (-) showing a conventional terminal cover device, and FIG. 6 is an explanatory view of the operation. In the figure, +1) is outside or < , +2) is the terminal fitting, +33 is the terminal screw, (4) is the connection part, (6) is the operation hole, (9) is the rib, (3) is the 'IE wire holder. The washer and shun (branch) are notches. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Claims] In a terminal device in which a terminal screw and a wire holding washer rotatably held at the neck of the terminal screw are housed in an operation hole provided in the device body, the wire holding washer is perpendicular to the periphery of the wire holding washer. By providing at least two notches, providing ribs corresponding to the notches of the wire holding washer on two orthogonal walls of the operating hole, and fitting the ribs on the wall of the operating hole with the notches of the wire holding washer, the terminal A terminal device for electrical equipment, characterized in that it prevents screws from falling over.