JPH0222992B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a plug for a wiring duct.

[Background technology]

Conventional examples are shown in FIGS. 1 to 3. That is, the plug blades 3 are provided on both sides of the insertion portion 2 of the plug 1, and the insertion portion 2 is inserted through the opening groove 5 of the wiring duct 4 and rotated 90 degrees to bring the plug blade 3 into contact with the conductor 6.
In addition, the locking piece 7 is mechanically locked to the edge 8 of the opening groove 5.

However, in such a plug, as the number of conductors in the wiring duct increases, the number of plug blades increases accordingly, and if a large branching capacity is required, the size of the plug blades increases. As a result, the insulation distance between the plug blades becomes smaller and tracking becomes more likely to occur, so the diameter of the insertion portion 2 needs to be increased, which has the disadvantage that it cannot enter the opening groove 5. In this case, if the width of the opening groove 5 is increased, hands or objects may easily enter the wiring duct 4, which may become dangerous.

[Purpose of the invention]

Therefore, an object of the present invention is to provide a wiring duct plug that can ensure an insulating distance between the plug blades and can be applied to multi-wire ducts without increasing the opening width.

[Disclosure of the invention]

This invention provides a plug body with a plurality of insertion parts to disperse the plug blades, one insertion part is fixed to the plug body and fixed to the wiring duct by rotating the plug body, and the other insertion parts are fixed to the wiring duct by rotating the plug body. It is equipped with a lever so that it can be moved in and out and rotated, and when the former insertion part is connected, it can be inserted into the wiring duct and rotated. By dispersing the plug blades in this manner, the insulation distance between the plug blades can be ensured, and the opening width of the wiring duct does not become large. Moreover, the plug installation operation is relatively easy.

An embodiment of this invention is shown in FIGS. 4 to 7. First, 9 is a wiring duct, and 10 is a plug.
The wiring duct 9 is provided with three high-capacity conductors 11 on the back side, and a low-capacity conductor 13 on the open groove 12 side. The plug 10 has a fixed insertion part 15 and a levered insertion part 16 arranged side by side on the upper surface of the plug body 14, the fixed insertion part 15 is fixed in a protruding state from the upper surface of the plug body 14, and the A plug blade 17 that contacts the high capacity conductor 11 is provided, and a locking piece 18 is further provided at the base. The insertion part 16 with a lever is fitted into a hole 19 formed in the plug body 14 so as to be freely retractable and rotatable, and has a vertical slit 20 formed on the side of the plug body 14 and a horizontal slit 2 continuous to the upper end of the vertical slit 20.
The insertion portion 16 is passed through a lever 23 through an L-shaped slit 22 and pulled out to the outside. The plug blade 24 of the insertion portion 16 with a lever and the plug body 14 are electrically connected by a flexible lead wire (not shown), and a locking piece 26 is provided at the base.

The procedure for installing the plug 10 is to move the lever 23 to the lower end of the vertical slit 20 and insert the insertion part 1 with the lever.
6 from the top surface of the plug body 14 (Fig. 4),
The fixed insertion part 15 is inserted into the open groove 12 of the wiring duct 9 (FIG. 7a). Rotate the plug body 14 by 90 degrees (Fig. 7b). As a result, each plug blade 17 of the fixed insertion part 15 comes into contact with the high-capacity conductor 11, and the locking piece 18 locks with the edge 15 of the open groove 12 of the wiring duct 9, and the plug 10 is mechanically locked. Retained. Since the insertion portion 16 with the apex lever is positioned in the open groove 12 in the rotated position of the plug body 14, the lever 23 is then pushed up to the upper end of the vertical slit 20 (Fig. 7c), and then Rotate the lever 23 to the end of the horizontal slit 21 (Figs. 5 and 6).
Figure 7d). At this time, the insertion part 16 with lever rotates, the plug blade 24 comes into contact with the low capacity conductor 13, and the locking piece 26 locks on the edge 25 of the opening 12.

On the other hand, when removing the plug 10, perform the reverse procedure.

With this configuration, the insulation distance between the plug blades 17 and 24 can be ensured by dispersing the plug blades, and there is no need to increase the width of the open groove, so it can be applied to multi-wire ducts and high capacity ones. Can be done. In addition, since it is supported at two points relative to the wiring duct 9, it can be stably mounted, and its strength is increased and there is little wobbling. Furthermore, since the plug blades 17, 24 are distributed in two locations and the current is branched, heat dissipation is improved, and the plug blades 17, 24
temperature rise can be kept low. Moreover, the operation of attaching the plug 10 is relatively simple and does not become complicated.

〔Effect of the invention〕

As described above, the wiring duct plug of the present invention has the advantage that it can be applied to multi-wire systems and high capacity, and is relatively easy to operate.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional view of the conventional connection state, Fig. 2 is a cross-sectional view before connection, and Fig. 3 is a cross-sectional view taken along the - line.
FIG. 4 is a perspective view of an embodiment of the present invention before connection;
FIG. 5 is a perspective view after connection, FIG. 6 is a perspective view showing the operating state of the plug insertion portion in the connected state, and FIG. 7 is an explanatory view showing the installation procedure. 9...Wiring duct, 10...Plug, 11,1
3... Conductor, 12... Opening groove, 14... Plug body, 15... Fixed side insertion part, 16... Insertion part with lever, 17, 24... Bung blade, 18, 26... Locking piece.

Claims (1)

[Claims] 1. A plug body, and a locking piece that protrudes from the plug body and is mechanically connected to the wiring duct by rotation of the plug body, and also comes into contact with a predetermined conductor of the wiring duct. An insertion part with a plug blade is provided next to the insertion part so that it can be retracted and rotated freely at a position opposite to the opening groove of the wiring duct by the rotation of the plug body, and the projection rotation causes the other part of the wiring duct to be retracted and rotated. A wiring duct plug equipped with an insertion part with an operating lever and a plug blade that contacts the conductor. 2. The wiring duct plug according to claim 1, wherein the insertion portion with the operation lever has a locking piece that mechanically locks onto the wiring duct.