JPH0365633B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an outlet plug that is attached to any position of a wiring duct attached to a ceiling, wall, etc., and is used to supply electricity to other wiring devices.

[Background technology]

When inside a building, it may be necessary to change the internal layout, but in that case, existing electrical equipment such as wiring fixtures and lighting fixtures cannot be easily relocated. Therefore, wiring ducts are used that allow dedicated electrical equipment to be freely attached to desired positions. The wiring duct is designed to be installed on a baseboard or waist wall of a wall, or on a ceiling if necessary, and has a space in which a conductor is accommodated in the longitudinal direction. The conductor is usually used for power supply. The dedicated electrical equipment is attached to the wiring duct with the blade part facing the space, and is supplied with power by bringing the blade into contact with a power conductor.

Conventional outlet plugs installed in wiring ducts are shown in FIGS. 6 to 8. This outlet plug B has body 71
Bung blade insertion openings 72, 72 are formed in. A blade receiving spring 73 is disposed at the back of each blade insertion opening 72, so that a blade (not shown) of a plug 80 of another electrical device can be inserted from the blade insertion opening 72. It is designed to be electrically connected to the blade receiving spring 73. The blade receiving spring 73 is electrically connected to one end of the plug blade 74 inside the body 71 by caulking with a stud 75. 2
The two plug blades 74, 74 are separated by an insulating pair 78. The other ends of each plug blade 74 protrude from the back surface of the body 71, and the tip portions 74a are bent in opposite directions. This tip 74a
A part of the body 71 equipped with the power supply space 61 enters the power supply space 61 of the wiring duct 60 and contacts the power supply conductors 62, 62 housed in the power supply space 61, respectively, thereby supplying power to the blade receiving spring 73. It is becoming more and more like this. When making the contact, the tip 74a is inserted into the power supply space 61 along the longitudinal direction of the wiring duct 60, and then the body 71 is inserted so that the tip 74a is perpendicular to the longitudinal direction of the wiring duct 60. This is done by rotating. The body 71 is provided with a locking piece 76 formed parallel to the tip 74a at a portion where the body 71 enters the power supply space 61. Also, body 7
1 is also provided with a stopper 77. This locking piece 76 connects the body 71 to the wiring duct 6 when the plug blade 74 comes into contact with the power supply conductor 62.
0, and the stopper 77 is for fixing this locking. In the figure, 63
64 is a cover that covers the power supply space, 64 is a wiring space that accommodates various types of wiring, and 65 is a cover that covers the wiring space.

By the way, as is clear from the figure, the protruding part of this outlet plug is much larger than the part that goes into the power supply space 61. Moreover, since the blade receiving spring 73 is located in the protruding part, the protrusion is large. Therefore,
It is aesthetically unsightly, becomes a hindrance when installed in a place with limited space, and the insulator may be destroyed if force is applied to the tip of the body 71 in a direction along the wiring duct.

[Purpose of the invention]

In view of these circumstances, it is an object of the present invention to provide an outlet plug that looks good and can be attached to a wiring duct without causing any obstruction.

[Disclosure of the Invention] In order to achieve the above object, the present invention includes a blade receiving spring within a body, and a blade that is electrically connected to the blade receiving spring projects from the body. In an outlet plug for a wiring duct, the plug blade is rotatably supported by the body, and the blade receiving spring receives power when the blade enters a power supply space of the wiring duct and comes into contact with a conductor. , the body is provided with a protrusion that protrudes in the same way as the plug blade and is configured to enter the power source space at the same time when the plug blade enters the power source space, at a position lined up with the plug blade. The object of the present invention is to provide an outlet plug for a wiring duct, characterized in that the blade receiving spring is housed in the protrusion.

Hereinafter, the present invention will be explained in detail with reference to the drawings showing one embodiment thereof.

As shown in FIGS. 1 to 5, the outlet plug A for a wiring duct according to the present invention has a body composed of a blade receiving block 1 having a blade receiving spring 4 and a plug blade block 5 having a plug blade 52. There is. The blade receiving block 1 includes a lower cover 2 and an upper cover 3. The upper cover 3 has a plug blade insertion slot 31 into which a plug for other electrical equipment is inserted.
is provided. Plug blade insertion slot 31 of lower cover 2
A recess 21 into which the blade receiving springs 4, 4 are mounted is formed in a portion corresponding to the recess 21. The lower cover 2 is
In order to form this recessed portion 21, this portion protrudes toward the back side. This protrusion 22 is adapted to enter the power supply space 61 of the wiring duct 60. A blade block insertion hole 23 is formed in the lower cover 2 in line with the protrusion 22. The plug blade block 5 is mounted in the insertion hole 23 so as to be rotatable in the circumferential direction. The blade block 5 includes a cylindrical block body 51,
One end of the blade inserts into the blade receiving block 1 through the insertion hole 23, and the other end protrudes from the blade receiving block 1 toward the back side. Block body 5
1 includes two plug blades 52, 52 and a locking piece 53.
It is equipped with The locking piece 53 is arranged on the outside of the blade receiving block 1 when the blade block 5 is attached. The plug blades 52, 52 are separated from each other by an insulating material as in the conventional case, and one end 52a is inside the blade receiving block 1, and the other end 52a is inside the blade receiving block 1.
b protrudes outside the blade receiving block 1. Both ends 52a and 52b are bent so as to face away from each other and parallel to the locking piece 53. A square hole 54 is formed at the end of the block body 51 on the side of the blade receiving block 1. The shaft portion 91 of the knob 9 inserted through the opening 32 formed in the upper cover 3 is fitted into the square hole 54 . Shaft 9
1, the knob 9 and the blade block 5 are integrated, and it also serves as an insulating material for the blades 52, 52. Terminal springs 41 are electrically connected to the blade receiving springs 4 by caulking them with studs 42, respectively. The terminal spring 41 is arranged so that its end portions sandwich the block main body 51 from both sides.

Next, the method of assembling this outlet plug A will be explained as follows.

Blade support spring 4 with terminal spring 41 attached
are fitted into the recesses 21, respectively.

Place the upper cover 3 on the lower cover 2 and fix it with screws 11.

Insert the plug blade block 5 into the insertion hole 23 from the back side.

Insert the shaft 91 of the knob 9 into the opening 3 of the upper cover 3.
2 and press fit into the square hole 54 of the plug blade block 5. Since the shaft portion 91 is provided with a protrusion 92, it does not come off easily.

This outlet plug A is attached to the wiring duct 60 in the following manner.

The blade receiving spring 4 and the plug blade 52 are connected to the wiring duct 60
The body is aligned along the length of the body.

Operate the knob 9 to release the locking piece 53 and the plug blade 5.
The axis of the other end 52b of the wiring duct 60 is made to face the longitudinal direction of the wiring duct 60.

Projection 22, locking piece 53, and other end 52b of plug blade 52 Power supply space 61 of wiring duct 60
Insert into.

Rotate knob 9 90 degrees. This rotation causes the other end 52b of the plug blade 52 to connect to the power supply conductor 62.
and one end 51 of the plug blade 52.
Since a contacts the terminal spring 41, power is supplied to the blade receiving spring 4 from the power supply conductor 62. At the same time, the locking piece 53 sandwiches the periphery of the opening of the power supply space 61 between the locking piece 53 and the lower cover 2 to prevent the body from coming off. In the figure, 66 is a reinforcing iron plate embedded in the resin frame of the wiring duct.

Since this wiring duct outlet plug A is as described above, when it is attached to a wiring duct, it does not protrude greatly from the surface of the wiring duct as in the conventional case. Therefore, it looks good and does not become an obstacle even when installed in a narrow space.

The wiring duct outlet plug according to the present invention is not limited to the above embodiments. In the embodiment, the wiring duct is provided with a wiring space, but it does not need to be provided with a wiring space.

〔Effect of the invention〕

The wiring duct outlet plug of this invention is
As described above, a part of the body in which the blade receiving spring is housed is configured to fit into the wiring duct, and the blade receiving spring and the plug blade are arranged side by side in the direction along the wiring duct. It looks good and is not a hindrance.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing one embodiment of a wiring duct outlet plug according to the present invention, FIG. 2 is a perspective view illustrating how to attach the plug to a wiring duct, FIG. The figure is a partially cutaway sectional view explaining the state in which it is attached to the wiring duct, Figure 5 is a partially cutaway side view seen from the side, and Figure 6 is the installation of a conventional wiring duct outlet plug to the wiring duct. FIG. 7 is a perspective view illustrating the state, FIG. 7 is a side sectional view thereof, and FIG. 8 is a partially cutaway side view showing a conventional wiring duct outlet plug as seen from the side. A, B...Outlet plug, 1...Blade receiver block, 4,73...Blade receiver spring, 5...Blade block, 52,74...Blur blade, 60...Wiring duct, 62...For power supply conductor.

Claims (1)

[Scope of Claims] 1. A blade receiving spring is provided in a body, and a plug blade electrically connected to the blade receiving spring is rotatably supported by the body so as to protrude from the body. In the outlet plug for a wiring duct, the blade receiving spring receives power when the blade enters a power supply space of the wiring duct and comes into contact with a conductor, and the body has a blade attached to the plug blade. A protrusion that protrudes in the same way as the plug blade and enters the power supply space at the same time as the plug blade enters the power supply space is provided in the lined position, and the blade receiving spring is inserted into this projection. An outlet plug for wiring ducts, which is characterized by housing a. 2 The body is composed of a blade receiving block having a blade receiving spring and a blade block having a blade, and the blade block is rotatably supported by the blade receiving block, and The part of the blade block where the plug blade is installed can be inserted into the wiring duct, and when this insertion is made and the part is rotated to a predetermined position,
The outlet plug for a wiring duct according to claim 1, which is connected to a conductor of a wiring duct and is configured to prevent the body from coming off from the wiring duct.