JPH0152964B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an embedded wiring device, such as an outlet or a switch, which is used by being attached to an embedded wiring box.

As shown in FIG. 1, the conventional embedded wiring device is assembled by crimping and fixing the device stand 20 housing the terminal and the lid body 21 together with the assembly fittings 22, and then assembling the device. The wiring device was further crimped and fixed to the mounting bracket 23 and attached to the wiring box 24 buried in the wall via the mounting bracket 23, but during the assembly process, parts such as the assembly bracket 22 and the mounting bracket 23, etc. The assembly work is complicated, such as requiring a crimping jig to swage the parts, and also requires a mold and a press machine to punch out the assembly fittings 22 and mounting fittings 23 necessary for assembly. Not only does manufacturing require a large amount of equipment costs, but since the assembly fittings 22 and mounting fittings 23 are made of iron, there is a risk that they will rust and corrode due to moisture, etc., inducing electrical and mechanical accidents. Many problems arose.

The present invention has been made in view of the above points, and an embodiment illustrating the same will be described below. In FIGS. 2 and 3, reference numeral 1 denotes a lid body made of flexible synthetic resin, etc. Attachment plates 3, 3 are integrally molded on both sides of a rectangular protrusion 2 formed in , and a long hole 4 and a screw hole 5 are bored in the attachment plates 3, 3, respectively. 6 is a fitting opening having a tapered wall surface 6a formed in the bottom surface of the rectangular protrusion 2 of the lid body 1;
Reference numerals 7 and 7 designate a frame-shaped locking body formed by integrally protruding from the lower side walls of the rectangular projection 2, and a locking tongue piece 8 is erected at the center of the bottom of the frame-shaped locking body. . Reference numeral 9 denotes a device stand made of synthetic resin; 11 a frame body having an inclined side surface 11a provided at the opening edge of the terminal storage chamber 10 of the device stand 9; When assembled integrally as shown in FIG.
The tapered wall surface 6a tightly fits into the fitting opening 6 formed in the bottom surface of the rectangular protrusion 2 of the lid 1, thereby preventing play between the container stand 9 and the lid 1. Reference numerals 12 and 12 denote locking projections having sloped top surfaces 12a protruding from both side walls of the table 9, and the locking projections 1
1 and 11, a frame-shaped lock body 7 provided on the lid body 1;
The locking tongue pieces 8 of 7 are forcibly fitted and locked from above with one touch against the elasticity of the frame-type locking bodies 7, 7 themselves, and the lid body 1 and the utensil base 9 are locked together as shown in FIG. Assemble the embedded wiring device by fitting and fixing both together so that there is no play between them, and as shown in FIG. The wiring box 13 is installed by inserting screws into the holes 4, 4 and screwing them into the wiring box 13 buried in the wall surface. FIG. 6 shows frame-type locking bodies 7, 7 integrally protruding from both end side walls of the rectangular protrusion 2 of the lid 1, and the locking tongues 8 of the frame locking bodies 7, Locking protrusions 12, 1 provided on both end side walls of the stand 9
FIG. 2 is an explanatory diagram of a large-sized embedded wiring device showing another embodiment of the present invention in which the lid body 1 and the device base 9 are integrally fitted and engaged by being forcibly engaged with each other. . In addition, 14 in the figure is a decorative board that can be placed over the embedded wiring device.

According to the present invention, as described above, the frame-shaped locking bodies 7, 7 are integrally provided on the lower side walls of the rectangular protruding part 2 of the lid body 1 and are made of flexible synthetic resin or the like. A locking tongue piece 8 provided upright at the center of the bottom is locked to locking protrusions 12, 12 provided on both side walls of the container stand 9, so that the container stand 9 and the lid body 1 are fitted and fixed together. Since the embedded type wiring device is assembled, not only can the embedded type wiring device be easily and quickly assembled with one touch without the need for any tools, but when the device base 9 and the lid body 1 are assembled as one, On the tapered wall surface 6a of the fitting opening 6 formed in the bottom surface of the rectangular protrusion 2 of the lid body 1,
A frame body 1 provided at the edge of the opening of the terminal storage chamber 10 of the device stand 9
1 and the frame-shaped locking body 7 of the lid body 1 and the locking protrusion 12 of the container base 9, the play that occurs between the container base 9 and the lid body 1 during use is prevented. In addition, installation to the wiring box 13 buried in the wall is simply by screwing both ends of the mounting plates 3, 3 formed on both sides of the rectangular protrusion 2 of the lid 1. Since it is easy to install and does not require any of the assembly metal fittings or mounting metal fittings used in the past, it is possible to save on overhead costs such as the molds and press machines used to produce these assembled parts and the assembly parts made of iron. It has excellent effects such as there is no risk of inducing electrical or mechanical accidents due to corrosion of metal fittings or mounting fittings.

[Brief explanation of drawings]

Fig. 1 is an explanatory diagram showing a conventional embedded wiring device;
Fig. 2 is an exploded view showing an embodiment of the present invention, Fig. 3 is a partially cutaway explanatory view, Fig. 4 is a perspective view showing an assembled state, Fig. 5 is an explanatory view showing a usage state, and Fig. 6 FIG. 2 is an explanatory diagram showing another embodiment of the present invention. 1: Lid, 2: Rectangular protrusion, 3: Mounting plate,
6: Fitting opening, 6a: Tapered wall surface, 7: Frame type locking body, 8: Locking tongue piece, 9: Device stand, 10: Terminal storage chamber, 11: Frame body, 11a: Slanted surface, 12: Locking protrusion.

Claims (1)

[Claims] 1. A frame 11 having inclined side surfaces 11a is formed on the opening edge of the terminal storage chamber 10, and locking protrusions 12 are provided protruding from both side walls. A fitting opening 6 having a tapered wall surface 6a into which the frame 11 provided at the opening edge of the terminal storage chamber 10 of the device stand 9 is fitted is bored in the rectangular protrusion 2 formed by integrally molding the mounting plates 3, 3, A lid is integrally formed with a frame-shaped locking body 7 facing downward on both side walls of the rectangular protrusion 2 and having a locking tongue piece 8 erected at the center of the base for locking into the locking protrusion 12 of the table 9. An embedded wiring device consisting of a body 1.