JPH04183215A - Panel cover - Google Patents

Abstract

PURPOSE:To enhance refractoriness and workability by imparting resiliency in the inward/outward direction to right and left sideboards of a box type metallic panel cover to be fitted in a fixing hole made in a wall member and providing the upper or lower sideboard with a wire inserting port and a door. CONSTITUTION:Right and left sideboards 1a, 1b of a panel cover formed by bending a metal board into a box are enlarged toward the front opening, and resiliency is imparted to both sideboards in the inward/outward direction. The both sideboards 1a, 1b are then partially bent outward to provide anti-drop lugs 4 and resilient stop lugs 5 for temporary fixing are formed at the upper and lower parts of the left sideboard 1a. Furthermore, stopper lugs 6 are raised at three vertical points close to the front end of the right sideboard 1b. Two wire insertion holes 2, 3 (3 is located behind a door 8) are then made, respectively, through the upper and lower sideboards 1c, 1d at positions close to the back face and the wire insertion holes 2, 3 are opened/closed by means of doors 7, 8. The upper and lower sideboards 1c, 1d are then bent upward and downward and fixing holes 11, 12 are made therein. The panel cover 1 is then fitted in the fixing hole 15. According to the constitution, fireproof performance and workability are enhanced and following works can be carried out easily.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a panel cover for covering the sides of a device mounting hole provided in a wall material when wiring devices, etc. are installed on the wall surface of a building, etc. be.

[Prior Art] Conventionally, as this type of panel cover, a synthetic resin molded product having a substantially groove-shaped cross section has been used, as shown in FIG. This panel cover C has flat side walls a and b, and has a fall prevention piece d protruding outward from its front edge, and a wiring is inserted between the side walls a and b, and the wall W
A heat insulating material such as glass wool filled on the side surface f of the device mounting opening e (see Figure 1) prevents it from coming into contact with the device.

[Problem to be solved by the invention]

By the way, in the panel cover 〇 explained in the conventional example, since both side walls a and b are flat, if the fixture mounting opening e of the wall W becomes larger in the vertical direction, as shown in Fig. There was a problem that the opening e was biased downward, making it difficult to attach wiring devices, and it was not fire resistant. , as a material that satisfies the second requirement of fire resistance,
A metal box is used, but since the box is embedded in the wall material in advance, there are problems such as retrofitting work is not possible.

This invention was devised by paying attention to the above-mentioned actual situation, and its purpose is to position and fix the fixture in the center of the mounting hole even if the fixture mounting hole in the wall material is made somewhat large. [Means for Solving the Problems] In order to achieve the above object, the present invention has taken the following technical means.

That is, the present invention is a metal panel cover bent and formed into a box shape that is fitted into a mounting hole for a wiring device, etc. provided in a wall material, and has a metal panel cover that is bent and formed into a box shape. The device is characterized in that it is held in the mounting hole by both side plates by imparting spring properties, and a power inlet is provided on at least one of the upper and lower side plates, and a door is provided to open and close the power inlet.

[For production]

According to this invention, since it is in the shape of a metal box with a door at the inlet provided on the panel cover, it is fire resistant, and
Since the left and right side plates have spring properties, the panel cover can be positioned and temporarily fixed using the left and right side plates, and can be fixed at approximately the center of the mounting hole, and can be attached to wall materials later. Construction is possible.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

In Figures 1 to 9, ■ is a panel cover made of a metal plate, which is formed in a box shape with an opening at the front.
lb is expanded toward the front opening, imparting spring properties in the left, right, inner and outer directions, and the upper and lower side plates 1c and the back plate 1e of ld
Two entrances 2.3 are opened on the left and right sides, and the periphery 2a.

3a is bent (rolled) outward to prevent damage to the wiring. Further, the left and right side plates 1a,
A drop-prevention piece 4 is formed by bending a part of the front end of the left side plate 1a to the opposite side, and locking pieces 5 for temporary fixing having spring properties are stretched outwardly at the upper and lower parts of the left side plate 1a. The front edge of the locking piece 5 is bent outward to form a fall prevention part 5a. Further, on the right side plate 1b, removal stopper pieces 6 are provided at three locations near the front end, top, middle, and bottom, in a cut-out shape and protrude outward. is planned. Further, the left and right side plates 1a, lb are provided with doors 7.8 that extend inwardly from the upper and lower edges of each other to open and close the line entry port 2.3. Fire resistance can be ensured by closing the openings 2 and 3.

The upper and lower side plates 1c and Id have their front edges facing outward (upper or lower).
It is bent to form a mounting part 9.10, and a mounting screw insertion hole 1 is formed.
1 and 12 are provided in the center.

Note that the panel cover 1 is treated with a vinyl chloride film on the inside to ensure insulation. In addition, when forming the panel cover l from galvanized steel plate,
Although it is not necessary to carry out a separate insulation treatment, it is sufficient to provide a hole 13 for grounding work or to fix a nut as shown by the imaginary line in FIG.

Therefore, when attaching the panel cover 1 to the fixture attachment holes 15 of the wall material 14, the attachment fittings 16 are used.

As shown in FIGS. 10 to 15, the mounting bracket 16 includes:
The upper and lower arm portions 16 are formed into a substantially U-shape from a metal plate material.
a, 16b, and a connecting portion 16c that connects both arm portions 16a, 16b, and L-shaped attachment portions 17a, 17b protrude inwardly from opposite ends of both arm portions 16a, 16b. The screw holes 18a and 18b are provided respectively (see FIG. 15). In addition, the connecting portion 16c includes
A pantograph type fixing member 20 having a locking piece 19 at the center is integrally formed in a cutout shape and extendable on the protruding side of both arm parts 16a, 16b, and arm parts 16a, 16b are provided on both upper and lower sides of the member 20. Temporary fixing claws 21 and 22 are provided protrudingly adjacent to. The temporary fixing claws 21 and 22 are protruded obliquely with respect to the plate surface, and include a pair of claw pieces 21a, 21b,
22a.

As shown in FIG. 14, one of the claw pieces 21a, 22a of 22b is removed by pushing the tip of a flathead (-) screwdriver 23 between them.
By pressing and bending the parts 22b away from each other, the parts 22b are inserted into the peripheral end surface of the fixture mounting hole 150 of the wall material 14, and the mounting fitting 16 is temporarily fixed. In addition, temporary fixing claw 2
The other claw pieces 21b, 22b of 1.22 are pressed against the peripheral end surface of the mounting hole 15 of the wall material 14, and are adapted to position the mounting bracket 16 in the left-right direction.

Note that the arm portions 16a, 16b and the connecting portion 16C have reinforcing bulges 24 extending in the longitudinal direction on the back surfaces thereof.
is formed.

In the above embodiment, when attaching the panel cover 1 to the attachment hole 15 of the wall material 14, the attachment fittings 16 are first attached. Therefore, the front sides of the arms 16a, 16b and the connecting part 16c of the mounting bracket 16 are placed on the back side of the mounting hole 15 provided in the wall material 14, and the pantograph type fixing member 20 is stretched out to the front. The locking piece 19 is locked to the front edge of the mounting hole 15, and the wall material 14 is in the state shown by the dotted chain line.
, are held between the front and back. Next, one of the pawl pieces 21b and 22b of the temporary fixing pawl 21.22 is pressed and bent toward the front and pressed against the peripheral end surface of the mounting hole 15 to position it, and then a flathead screwdriver 23 is inserted between the two pawl pieces 21a, 21b, 22a, and 22b. Push in the tip of the other claw piece 21a, 2
2a into the upper and lower peripheral end surfaces of the mounting hole 15 to temporarily fix the mounting bracket 16 to the wall material 14 (see FIG. 5). Therefore, insert the panel cover 1 into the mounting hole 15 of the wall material 14,
As shown in FIG. 2, left and right side plates 1. A, lb and the locking piece 5 are temporarily fixed, and the removal stopper piece 6 is attached to the wall material 14.
It is secured to the peripheral end surface of the mounting hole 15 to ensure that it is held on the wall material 14. Next, as shown in FIG.
5 and the mounting screws 26 inserted into the mounting screw insertion holes 11 and 12 of the panel cover 1, into the mounting bracket 16. The panel cover 1 is screwed into the mounting holes 18a and 18b of the fixture, etc., and fixed between the wall material 14 via the mounting screws 26 using the mounting frame 25 and the mounting bracket 16. is completed.

In addition, when installing two panel covers 1, arrange the mounting brackets 16 so that the ends of the arm parts 16a, 1'6b face each other, and attach them to both the left and right sides of the mounting hole 15 in the same manner as in the case of one panel cover 1. Can be installed.

When wiring electric wires, etc., it is best to open the wire entry ports 2 and 3 by pushing inward the parts of the normally closed doors 7 and 8 that are necessary for the wire entry, and open the wire entry ports 2 and 3 that are not used.
3 is closed, so fire resistance can be improved.

This invention is not limited to the above embodiments, and the design can be modified as appropriate.

(Effects of the Invention) As described above, the present invention is a panel cover made of a metal plate bent into a box shape that is fitted into a mounting hole for a wiring device, etc. provided in a wall material. Both side plates are provided with spring properties in the left, right, inner and outer directions, and are held in the mounting holes by the side plates, and the upper and lower side plates are provided with an entry hole on one side (both sides are provided with an entry hole,
Since it is equipped with a door to open and close the inlet, it is fire resistant and can be easily and securely attached to the wall material. It can be positioned and fixed in place, and can be retrofitted to wall materials, improving workability.

[Brief explanation of the drawing]

FIGS. 1 to 9 show embodiments of this invention.
The figure is a perspective view, Figure 2 is a perspective view of the installed state, Figure 3 is a front view, Figure 4 is a left side view, Figure 5 is a right side view, Figure 6 is a bottom view, and Figure 7 is a top view. Figure 8 is a partially cutaway top view, Figure 9 is a partially cutaway top view.
The figure is an enlarged cross-sectional view taken along the line A-A in Figure 3, Figures 10 to 15 show the mounting bracket, Figure 10 is a front view, Figure 11 is a right side view, Figure 12 is a bottom view, Figure 13 is B-B in Figure 10.
14 is an enlarged view taken along arrow C in FIG. 12, FIG. 15 is an enlarged sectional view taken along line D-D in FIG. 10, and FIG. 16 is a perspective view and installation of the conventional example shown in FIG. 17. FIG. 1... Panel cover, 1a, 1b... Left and right side plates, 1
c, ld...upper and lower side plates, 2.3...line entry, 7.8
...Door, 14...Wall material, 15...Mounting hole. Figure 1 Figure 6 Figure 7

Claims (1)

[Claims] (1) A metal panel cover bent into a box shape that fits into the mounting holes for wiring devices, etc. provided in the wall material, and the left and right side panels have spring properties in the left and right inner and outer directions. What is claimed is: 1. A panel cover that is attached and held in the mounting hole by both side plates, has a line entry port on at least one of the upper and lower side plates, and is provided with a door for opening and closing the line entry port.