JPS6188418U - - Google Patents

Description

[Brief explanation of the drawing]

The drawing shows one embodiment of this invention.
The figure is a partially cutaway exploded perspective view showing the arrangement in use, Figure 2 is an exploded sectional view of the main part, Figure 3 is a sectional view in use, and Figure 4 is an electric wire inserted into the airtight box. FIG. 5 is a partially cutaway exploded perspective view showing the arrangement of another embodiment in use. D...Decorative cover, E...Electrical mechanism parts, F...Mounting frame, G...Electric wire, H...Installation opening, W...Architectural frame,
DESCRIPTION OF SYMBOLS 1...Airtight box, 2...Box, 3...Abutment flange, 4...Core plate, 5...Pinching through hole, 6...Penetration part, 7
...Groove, 8...Wire drawing means, 4...Core plate, 5...Putting through hole, 6...Penetration part, 7...Groove, 8...Wire drawing means, 9...Drawing part, 10...Closing seal, 11...Connection ring strip, 12... electric wire draw-out tube, 13... insertion cylinder,
14... Presser rib, 15... Joint opening, 16... Closure piece,
17...Insertion port, 18...Guide tube, 19...Joining flange, 20...Mounting screw, 21...Penetration part, 22...Occluded membrane, 23...Clip plate, 24...Female screw hole, 25...Mounting hole, 26...Pinching screw.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. Forming a box body made of an airtight material that covers electrical mechanical parts such as an outlet body, a switch body, or a sensor body that is supported and fixed in an installation opening opened in a building frame, This airtight box has a rigid abutting flange extending in close contact with the periphery of the installation opening on the periphery of the opening of the box body, and an airtight wire extraction means that allows the insertion of electric wires on the bottom wall of the box body. , an airtight dust-proofing in a lead-out wiring section, characterized by comprising a clamping plate disposed facing the abutting flange on the back side of the installation opening, and a clamping screw for screwing the abutting flange and the clamping plate to each other. Device. 2. An airtight dustproof device for a lead-out wiring portion as set forth in claim 1 of the utility model registration claim, in which a hard material core plate is embedded in the abutting flange. 3. An airtight dust-proof device for a lead-out wiring portion as set forth in claim 1 or 2 of the utility model registration claim, wherein the wire lead-out means is integrally constructed with the box body. 4. An airtight dust-proof device for a lead-out wiring site according to claim 1 or 2, wherein the wire lead-out means is separately constructed of the same material as the box body so as to be connectable to the box body. 5. The wire drawing means is located on the bottom wall of the box body,
A thick ring-shaped connecting annulus is raised around the penetrable thin film-like closure seal to serve as a pull-out part, and on the other hand,
An appropriate number of presser ribs are raised along the circumferential direction on the inner surface of the insertion cylinder with an inner diameter corresponding to the outer diameter of the electric wire, and a joint opening to be joined to the connecting ring is provided at the rear of the insertion cylinder, and a joint opening is provided at the front of the insertion cylinder. The airtight dust-proofing of the lead-out wiring portion according to claim 4, which is a utility model registration, in which wire lead-out tubes each having an insertion port closed with a penetrable thin film-like plug are connected to the lead-out portion. Device. 6 The clamping plate is formed in a donut shape similar to the abutment flange.
An airtight dust-proof device for a lead-out wiring site according to any one of items 1 to 5. 7. The airtight dust-proof device for a lead-out wiring site according to any one of claims 1 to 5 of the utility model registration claim, wherein the clamping plate is formed as a pair of parts.