JPH07274347A - Waterproof plate and waterproof switch - Google Patents

Abstract

PURPOSE:To facilitate visual confiromation of the presence of an insulating support from the outside under a state where a waterproof plate or switch is fixed without sacrifice of waterproofness or appearance. CONSTITUTION:A plate 12 having an opening 12a, corresponding to the operating part 15a of a flush type wiring accessory 15, is secured to a fixing frame 14 holding the wiring accessory 15 on the front side thereof. An elastic translucent waterproof body 13 is formed integrally with the plate 12 entirely on the back side thereof while comprising a rainproof cover part 13a corresponding to the operating part 15a projecting through the opening 12, and a peripheral packing part 13c applied to the back side of the plate 12. A window 12d for visually confirming an insulating support, which is integral with (or independent from) the fixing frame 12, is made at a part of the plate 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof plate and a waterproof switch suitable for an embedded wiring device such as an embedded switch mounted on an outer wall surface or the like.

[0002]

2. Description of the Related Art When general switches are installed outdoors such as an outer wall surface, it is necessary to ensure waterproofness in consideration of safety. As a structure for ensuring waterproofness, initially,
Although a plate with a lid was used, there is a disadvantage that the lid must be opened each time the switch is operated. Further, there is a completely waterproof type switch, but it is designed exclusively for waterproofing, and there is a disadvantage that it cannot be applied to general or existing switches.

Under these circumstances, conventionally, a waterproof plate or waterproof switch as shown in FIG. 3 has been proposed. This is disclosed in, for example, JP-A-63-16180.
No. 6 publication. First, the embedded switch 1, which is an embedded wiring device, is attached and held by, for example, an attachment frame 2 to which three pieces can be attached.
The part is screwed and fixed to a mounting box (not shown) embedded in the outer wall surface or the like. The resin plate 4, which is the front surface of the switch 1 and is attached to the mounting frame 2 by the screw 3, is formed in the shape of a flat plate with only a peripheral edge portion having a rib shape. A square opening 4a is formed so that the first handle 1a can be projected outward. Further, screw holes 4b for attaching and fixing to the mounting frame 2 with screws 3 are formed at both upper and lower ends of the plate 4. Reference numeral 5 is a screw hole packing which is inserted into the screw hole 4b to enhance waterproofness. Furthermore, a rainproof cover 6 made of a transparent and elastic material resin is integrally formed on the plate 4 by simultaneous molding. That is, the rain cover 6 is composed of the operating portion 6a corresponding to the handle 1a protruding from the opening 4a to the front side.
The switch 1 will enter the void in a. That is, it is an integral molding using two different resins generally called two-layer molding or two-color molding, a hard resin is used for the member forming the plate 4, and a transparent member is used for the member forming the rain cover 6. A resin having elasticity is used. As a result, the waterproof property between the plate 4 and the rain cover 6 will be several steps higher than that of a separate member. Further, since the rain cover 6 has elasticity, the handle 1a can be turned on / off from the outside by pressing the operating portion 6a. At this time, even if the switch 1 has a display function regarding ON / OFF, the rain cover 6 is transparent, so that the display can be visually recognized without any trouble. A frame-shaped peripheral packing 7 is provided to ensure waterproofness between the peripheral edge of the plate 4 and the surface of the building material such as the outer wall surface. The peripheral packing 7 is made of a resin having elasticity, and a groove 7a into which the peripheral portion of the plate 4 can be inserted is formed over the entire circumference. Since this peripheral packing 7 also has elasticity, it has good adhesion to the construction material surface and a sufficient waterproof effect can be obtained.

Therefore, in the one described in the above publication, the waterproof plate is the plate 4, the rainproof cover 6, the peripheral packing 7,
Alternatively, it is configured to include the mounting frame 2, and further the switch 1
The waterproof switch is configured to include. It is also described that not only the rainproof cover 6 but also the screw hole packing 5 and the peripheral packing 7 can be formed integrally with the plate 4, and further improvement in waterproofness and cost reduction are expected. .

[0005]

By the way, when considering this kind of wiring equipment, the mounting frame 2 capable of holding a plurality of switches 1 must have an insulating property in order to ensure electrical safety and the like. I have to. For this reason, the mounting frame 2 itself is made of an insulating resin material (insulating one-touch support), and the mounting frame 2 made of metal has a resin insulating support formed separately. Insulation is ensured by integrally mounting the mounting frame 2 so as to cover it. In any case, for those who carry out the installation work and those who inspect safety etc.,
In order to make it easier to see the existence of the insulation support, the insulation support is unified so that it is entirely formed of green, which indicates safety.

However, even if the insulating support itself is formed in green, it is necessary to remove the plate 4 in order to confirm it, which is troublesome in construction and inspection. Therefore, although not legally required, in order not to cause such trouble, in accordance with the internal regulations of the Electricity Business Act,
It is customary in the art to devise a method for visually recognizing the presence of the insulating plate in the mounted state (in the mounting appearance). That is, in the related art, with respect to the insulating support which is the mounting frame 2 having a green configuration, the convex piece 2b is formed at one end on the lower side, and the convex piece 2b is formed from the concave portions 7b and 4c formed on the peripheral packing 7 and the plate 4. By being exposed to the outside, the presence of the insulating support can be visually recognized at all times.

However, in the case of such a structure, the projection of the convex piece 2b gives an uncomfortable feeling to an ordinary person who is not involved in construction or inspection, and the appearance is impaired, and a gap is formed by requiring the concave portions 7b and 4c. Therefore, it may be a cause of impairing the waterproof property (including moisture), and is not a preferable measure.

[0008]

A waterproof plate according to claim 1, wherein the waterproof plate has an opening corresponding to an operating portion of an embedded wiring device and is arranged on a front side of the wiring device and holding the wiring device. A plate fixed to the frame, a rainproof cover portion corresponding to the operation portion that is integrally molded with the plate over the entire rear surface of the plate and protrudes from the opening to the front surface, and packing for the outer peripheral surface on the rear surface of the plate. And a waterproof body having a light-transmitting property and elasticity, and a part of the plate is provided with a peep window for confirming the insulation support which is integral with or separate from the mounting frame.

The waterproof plate according to claim 2 is the same as that according to claim 1.
The waterproof plate described above holds an embedded wiring device and is attached to a mounting box, and an insulating support includes an integral or separate mounting frame.

The waterproof switch according to claim 3 is the same as that according to claim 2.
It is composed of the described waterproof plate and an embedded switch.

[0011]

In the waterproof plate or the waterproof switch of the present invention, the waterproof plate having the rainproof cover portion and the peripheral packing portion over the entire rear surface is integrally formed with a waterproof and elastic waterproof body. Since the viewing window for confirming the insulation support is formed in part, it is possible to visually confirm the presence or absence of the insulation support from the outside in the attached state without impairing the waterproof property and appearance.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. The waterproof plate 11 of this embodiment includes a plate 12 and a waterproof body 13 formed by integral molding,
Alternatively, the waterproof switch is configured by including the mounting frame 14 integrated with the insulating support, and by including the embedded switch 15 in the waterproof plate 11 including the mounting frame 14.

First, the switch 15 which is an embedded wiring device.
For example, three are mounted and held by a mounting frame 14 that can be mounted, and the mounting frame 14 is screwed and fixed to a mounting box (not shown) embedded in a construction surface such as an outer wall surface at a mounting hole 14a portion. . As described above, the mounting frame 14 is integrally formed with an insulating support formed of an insulating resin or the like, and has a green color that indicates the insulating support as a whole. However, when the mounting frame 14 itself is made of metal having no insulating property, the insulating support provided as a separate body is integrally mounted to ensure the insulating property.

The rigid resin plate 12 which is mounted on the mounting frame 14 by the screws 16 on the front surface of the switch 15 is formed in a flat plate shape with only a peripheral edge portion having a rib shape. A rectangular opening 12a through which the handle (operating portion) 15a of the switch 15 can be projected outward is formed in the center thereof. The mounting frame 1 is attached to the upper and lower ends of the plate 12 by the screws 16.
Screw hole for mounting and fixing to 4 (plate screw hole) 1
2b is formed. Further, a part of the plane portion of the plate 12 as described above, for example, the mounting frame 1 located on the back side of the plate 12 beside the screw hole 12b on the lower side.
The insulating support confirmation peep window 12c for confirming the presence of the insulating support 4 is formed in an appropriate shape (in the illustrated example, a square shape, but may be a circular shape or the like).

The waterproof body 13 is made of a resin having a light-transmitting property (transparent or semi-transparent) and elasticity, and is integrally molded on the entire rear surface of the plate 12 by simultaneous molding. First, the waterproof body 13 has a rainproof cover portion 13a corresponding to the handle 15a protruding from the opening 12a to the front side. Therefore, the switch 15 is inserted into the void in the rain cover portion 13a. Further, the waterproof body 13 has a screw hole packing portion 13b protruding into the screw hole 12b, and a peripheral edge for increasing the adhesion between the peripheral edge portion of the plate 12 and the construction surface to ensure waterproofness. It has a packing portion 13c.
Further, it also has a peep window packing portion 13d protruding into the insulation support confirmation peep window 12c.

That is, the plate 12 and the waterproof body 13 are
It is formed integrally by two kinds of different resins generally called two-layer molding or two-color molding. here,
For the plate 12, a hard resin molding material having thermoplasticity and rigidity, for example, an ABS-based or styrene-based material is used. For the waterproof body 13, a resin molding material having moldability, thermoplasticity, translucency, and elasticity, for example, a polyester-based or vinyl chloride-based elastomer is used. In any case, when considered as the waterproof plate 11, oil resistance,
It is preferable to use a material having excellent chemical resistance and light resistance.

According to the waterproof plate 11 or the waterproof switch having such a structure, since the waterproof body 13 is integrally formed on the entire back surface of the plate 12, it is highly waterproof. Further, since the waterproof body 13 has translucency and elasticity, the operability of the handle 15a by the rainproof cover portion 13a is not hindered and the switch 15 is turned on.
Even when it has a display function related to off or the like, it can be easily visually recognized. Further, according to this embodiment, the plate 1
Since the insulation support confirmation peep window 12c is formed in a part of 2, it is easy to check whether the insulation support, here the mounting frame 14 itself exists in the attached state through the insulation support confirmation peep window 12c. Can be seen. That is, it is possible to confirm the presence of green indicating the insulating support through the transparent waterproof body 13. In this case, since the back side of the plate 12 including the inspection window for insulation support confirmation 12c is entirely waterproofed by the waterproof body 13, the waterproof function is not impaired by forming the opening of the inspection support confirmation observation window 12c. . Also, in terms of appearance, appropriate shape,
Since it can be formed at an appropriate location, the appearance can be adjusted.

In this embodiment, the plate 12 is fixed to the mounting frame 14 by the screw 16. However, the fixing method is not limited to the screw fixing, but may be a fixing method using an engaging means such as an engaging claw. It may be present and is not particularly limited.

Further, in this embodiment, one switch 15
Although the example of the waterproof plate 11 or the waterproof switch using is described, two switches 15 and three switches 15 are used.
In the case of using the above, the rainproof cover portion 1 in which the size and the number of the openings 12a are appropriately changed is used.
What provided the waterproof body 13 which has 3a should just be used.

By the way, the plate 1 as in this embodiment
2. Consider the integral molding method of the waterproof body 13. Generally, molds are arranged and molded with the mold side being the front side of the molded product and the core side being the back side of the molded product. Also, in the two-layer molding (two-color molding),
A soft material (elastomer) is molded later. Therefore, for example, in the case of a two-layer molding in which only the rainproof cover 6 is integrally molded with the plate 4 as described with reference to FIG. 3, as shown in FIG. After resin molding first, rain cover 6
Molding can be performed by injecting a resin such as an elastomer from the gate position G in place of the mold for molding. That is, as usual, the surface side of the molded product can be molded with the cavity side and the back surface side with the core side, but the gate mark 17 cannot be avoided from appearing on the surface side of the molded product. Further, when the waterproof body 13 is to be molded by the elastomer injection not only in the vicinity of the opening 12a of the plate 12 but also on the entire rear surface side including the peripheral portion as in the present embodiment, if the surface side of the molded product is the cavity side, the plate 12 Peripheral packing part 1 to the peripheral part of
It is difficult for the mold to make 3c, the mold becomes complicated, and the number of gate positions must be increased, and it is difficult to inject the resin into the entire back surface of the plate 12.

Considering these points, in this embodiment, when integrally molding the plate 12 and the waterproof body 13 as shown in FIG. 2, the concept of the molding method is changed to the surface side of the molded product ( The mold is produced and molded with the plate 12 side) being the core side and the back surface side (waterproof body 13 side) of the molded product being the cavity side. According to this, the peripheral packing part 13 with respect to the peripheral part of the plate 12
In addition to making the d-shape easy, it becomes easy to inject the elastomer resin into the entire back surface of the plate 12, and a further waterproof effect can be secured. In addition, the gate mark does not appear on the surface side.

[0022]

The waterproof plate according to the first aspect of the invention is
A plate that has an opening corresponding to the operating portion of the embedded wiring device and is fixed to a mounting frame that is arranged on the front side of the wiring device and that holds the wiring device, and a plate that covers the entire rear surface of the plate. And a waterproof portion having a rainproof cover portion corresponding to the operation portion that is integrally molded with the opening portion and protrudes to the front side from the opening, and a packing portion for the outer peripheral surface on the back side of the plate, and having a light-transmitting property and elasticity. The waterproof plate of the invention according to claim 2, wherein a part of the plate is formed with an inspection window for confirming the insulation support, which is integral with or separate from the mounting frame.
A waterproof switch according to claim 3, wherein the waterproof plate according to claim 1 includes a mounting frame that holds an embedded wiring device and is mounted on a mounting box, and an insulating support is integral or separate. Is composed of the waterproof plate according to claim 2 and an embedded switch, both of which have a rainproof cover portion and a peripheral packing portion over the entire rear surface and have a light-transmitting and elastic waterproofness. Since the viewing window for confirming the insulation support is formed in a part of the plate integrally formed with the body, the presence or absence of the insulation support can be easily visually confirmed from the outside in the attached state without impairing the waterproof property and appearance.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along the line AA in FIG.

FIG. 3 is an exploded perspective view showing a conventional example.

FIG. 4 is an enlarged view of the vicinity of the rain cover, (a) is a front view, (b) is a sectional view taken along the line BB of (a), and (c) is a sectional view taken along the line C-C of (a). It is a figure.

[Explanation of symbols]

 11 Waterproof Plate 12 Plate 12a Opening 12c Peep Window for Confirming Insulation Support 13 Waterproof Body 13a Rainproof Cover 13c Peripheral Packing 14 Mounting Frame Integrated with Insulation Support 15 Embedded Switch, Embedded Wiring Device 15a Operation Part

Claims (3)

[Claims] 1. A plate having an opening corresponding to an operating portion of an embedded wiring device and arranged on the front side of the wiring device and fixed to a mounting frame holding the wiring device; and a back side of the plate. It has a rainproof cover part corresponding to the operation part which is integrally molded with the plate over the entire surface and protrudes from the opening to the front side, and a peripheral packing part for the outer peripheral surface on the back side of the plate to provide translucency and elasticity. A waterproof plate, comprising: a waterproof body having a viewing window for confirming an insulation support, which is formed integrally with or separately from the mounting frame on a part of the plate. 2. A front surface of the wiring device having a mounting frame that holds the embedded wiring device and is attached to the mounting box and has an insulating support integrally or separately, and an opening corresponding to an operating portion of the wiring device. Of the plate, which is disposed on the side and fixed to the mounting frame, and the rainproof cover part corresponding to the operation part, which is integrally molded with the plate over the entire rear surface of the plate and projects from the opening to the front side, and the plate. A waterproof plate having a translucent and elastic waterproof body having a peripheral packing for the outer peripheral surface on the back side, wherein an insulating support confirmation viewing window is formed in a part of the plate. 3. An embedded switch, a mounting frame that holds the embedded switch and is attached to a mounting box and has an insulating support integrally or separately, and an opening corresponding to an operating portion of the embedded switch. A plate which is arranged on the front side of the switch and fixed to the mounting frame, and a rainproof corresponding to the operating section which is integrally molded with the plate over the entire rear side of the plate and projects from the opening to the front side. A waterproof body having a light-transmitting property and elasticity having a cover part and a peripheral packing part for the back side outer peripheral surface of the plate, and a peep window for confirming insulation support is formed in a part of the plate. And waterproof switch.