JP2002330515A - Temporary fixing pad for fire-resistant cover of wiring accessory, and temporary fixing method using same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a temporary fixing pad for the fire-resistant cover of a wiring accessory wherein the pad, temporarily fixing the fire-resistant cover, is aligned with the plate frame so that packaging can be automated. SOLUTION: Two sets of side-wall insertion holes 1c, 1c corresponding to the four side walls 4b of the fire-resistant cover 4 are formed; a pair of side walls 4b, 4b facing each other in the short-side direction of the cover 4 are sandwiched and held by the projecting section 1d of the corresponding side-wall insertion holes 1c, 1c and the inner rim, and dowels 4c formed on the pair of side-walls 4b, 4b that face each other in the long-side direction of the cover 4 are anchored to the corresponding holes 1c, thereby temporarily securing the cover 4 to the temporary fixing pad 1. The pad 1 is placed in the reverse face of the plate frame 2. The root of the thread of the screw 6, which is inserted into the screw insertion hole formed on the fire-resistant panel (not illustrated) and the plate frame 2, and the screw-engaging hole 1b are engaged together.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pad for temporarily fixing a fireproof cover for wiring equipment mounted on a construction surface such as a wall and a method for temporarily fixing the same using the same.

[0002]

2. Description of the Related Art Conventionally, a wiring device such as a switch or an outlet is mounted on an opening of a mounting frame mounted on a construction surface such as a wall, thereby installing the wiring device on a construction surface such as a wall. I have. In some cases, a plurality of wiring devices are installed at the same location using a mounting frame formed so that a plurality of wiring devices can be mounted in the opening.
On the other hand, there is a hole in the wall to which the mounting frame is attached,
The power line and the like led out of this hole are connected to the wiring equipment, but in the event of a fire, there is a danger that flames and smoke will move to other rooms through the hole and spread. is there. Usually, such a danger can be avoided because the hole is closed by a wiring device attached to a mounting frame. However, for example, when only a smaller number of wiring devices than the number that can be mounted are mounted on the mounting frame corresponding to a plurality of wiring devices, there is an opening where no wiring device is mounted on the mounting frame. Therefore, it was not possible to avoid the risk of fire spread as described above.

[0003] Therefore, a simple fireproof structure has been proposed in which a fireproof cover is attached to an opening of a mounting frame to which no wiring device is attached, thereby closing the opening.

FIG. 6A shows a front view of the fire-resistant cover in a packaged state, and FIG. 6B shows a rear view thereof. First, a fireproof cover 4 attached to an opening of a mounting frame (not shown) fixed to a building having an opening for attaching three standardized wiring modules of one unit module size is made of stainless steel or the like. The periphery of the flat plate portion 4a of the metal plate is bent to form a substantially box shape with four side walls 4b provided, and its dimensions correspond to the dimensions of one unit module of standardized wiring equipment. On the pair of side walls 4b, 4b opposed to each other in the longitudinal direction, two dowels 4c fitted in locking holes (not shown) of the mounting frame are provided in parallel with each other. The fireproof cover 4 may be formed of a fireproof resin other than metal. next,
As a first temporary fixing means for holding the fireproof cover 4, two sets formed on the surface of a substantially rectangular pad 10 made of paper or plastic and corresponding to the four side walls 4 b of the fireproof cover 4. Four substantially rectangular side wall insertion holes 10c
(A pair of side walls 4b opposed in the longitudinal direction of the fireproof cover 4;
The four side walls 4b are respectively inserted into the side wall insertion holes 10c, 10c corresponding to 4b (not shown because they are hidden under the decorative frame 5 when viewed from the surface). At this time, a pair of side walls 4b, 4b opposed to each other in the short direction of the fireproof cover 4 are formed at substantially the center of one long side forming the inner edge of the corresponding side wall insertion hole 10c, 10c. And side wall insertion hole 1
The dowels 4c sandwiched between the inner edges of the refractory cover 4c and formed in the pair of side walls 4b facing each other in the longitudinal direction of the refractory cover 4 correspond to the corresponding side wall insertion holes 10c and 1c.
By locking at 0c, the fireproof cover 4 is temporarily fixed to the temporary fixing pad 10. Opening 1 formed in temporary fixing pad 10 facing flat plate portion 4a of fireproof cover 4
0a is for putting a finger in to remove the temporarily fixed fireproof cover 4.

[0005] Then, the temporary fixing pad 10 is applied to the back surface of the rectangular plate frame 2 having an opening and fixed to the surface of the mounting frame along the periphery of the mounting frame. The opening side is provided on the front side of the mounting frame and the plate frame 2.
And a rectangular metal fireproof panel (not shown) for protecting the fire by shielding the gap between them and the decorative frame 5 are attached.

[0006] However, at this time, the temporary fixing pad 10 only touches the back surface of the plate frame 2 and moves without being fixed, so that the positioning with respect to the plate frame 2 cannot be performed. However, automation of packaging could not be achieved.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to position a pad body temporarily fixed with a fireproof cover with respect to a plate frame to automate packaging. An object of the present invention is to provide a pad for temporarily fixing a fireproof cover for wiring equipment which can be achieved, and a method for temporarily fixing the same using the same.

[0008]

According to a first aspect of the present invention, there is provided a first temporary fixing device for holding the fireproof cover using an existing component provided in the fireproof cover attached to the opening of the wiring device mounting frame. Means, and second temporary fixing means held by the plate frame in a state where the refractory cover is temporarily fixed, using existing components provided in the plate frame fixed to the surface of the mounting frame. Is provided on the pad body.

According to a second aspect of the present invention, in the first aspect of the invention, the second temporary fixing means inserts a screw for fixing the plate frame provided on the plate frame to a surface of the mounting frame. It is characterized by comprising a screw engagement hole which engages with a valley of a screw thread which is threaded on the screw inserted through the screw insertion hole.

According to a third aspect of the present invention, in the first aspect of the present invention, the second temporary fixing means comprises a projection which is engaged with an existing component provided on the back surface of the plate frame. I do.

A fourth aspect of the present invention is characterized in that, in any one of the first to third aspects, the outer dimensions of the pad body are dimensions capable of temporarily fixing up to two fireproof covers.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, an outer dimension of the pad body is a dimension that fits in a back surface of the plate frame.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the present invention, the outer dimensions of the pad body are the same as the outer dimensions of the multiple plate frame corresponding to the multiple mounting frame. It is characterized by corresponding dimensions.

According to a seventh aspect of the present invention, in the first aspect of the present invention, the first temporary fixing means for holding the fireproof cover having a side wall perpendicular to the surface of the pad body includes the fireproof cover. A side wall of the fireproof cover, which is formed by a side wall insertion hole through which a side wall of the cover is inserted, is sandwiched by a protrusion formed at an inner edge of the side wall insertion hole and an inner edge of the side wall insertion hole. It is characterized by that.

According to an eighth aspect of the present invention, the fireproof cover is temporarily fixed to the temporary fixing pad by using the temporary fixing pad of the fireproof cover for a wiring device according to any one of the first to seventh aspects. The temporary fixing pad with the cover temporarily fixed is temporarily fixed to a plate frame fixed to the surface of the wiring device mounting frame.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1A is a front view, FIG. 1B is a side view, FIG. 1C is a back view, and FIG. This is shown in FIG. 1D and an exploded perspective view is shown in FIG. The difference from the conventional example is that the temporary fixing pad 1 to which the fireproof cover 4 is temporarily fixed is temporarily fixed to the plate frame 2, and the same components are denoted by the same reference numerals and description thereof is omitted.

In this embodiment, four rectangular side wall insertion holes 1c corresponding to the four side walls 4b of the fireproof cover 4 are provided in the substantially rectangular temporary fixing pad 1 to hold the first fireproof cover 4. As a temporary fixing means, two sets are formed so as to be biased in the vicinity of the center, and one or two refractory covers 4 can be temporarily fixed depending on the type of the plate frame 2, and the temporary fixing pad 1 is one type. Thus, parts can be shared by using both one and two refractory covers. Then, similarly to the conventional example, the pair of side walls 4b, 4b facing each other in the short direction of the fireproof cover 4 is formed with the corresponding side wall insertion hole 1.
A pair of side walls opposed to each other in the longitudinal direction of the refractory cover 4 which are sandwiched between the protrusions 1d formed substantially at the center of one of the long sides forming the inner edges of the fireproof cover 4 and the inner edges of the side wall insertion holes 1c. The fireproof cover 4 is temporarily fixed to the temporary fixing pad 1 by locking the dowels 4c formed on the corresponding side wall insertion holes 1c, 1c. Since the temporary fixing pad 1 is provided with an opening 1a for inserting a finger to remove the temporarily fixed fireproof cover 4, the external dimensions are set to fit inside the back of the plate frame 2 and are discarded after construction. Produced from cheap materials of paper or plastic.

The temporary fixing pad 1 to which the fireproof cover 4 is temporarily fixed is housed in the back surface of the plate frame 2, and a rectangular mounting frame and a plate frame having an opening are formed on the front side of the plate frame 2. A metal refractory panel 3 for shielding the gap between the refractory panel 2 and a fireproof plate is attached, and a screw insertion hole 3a formed at each center of both ends in the longitudinal direction of the refractory panel 3 and both ends of the plate frame 2 in the longitudinal direction. Screw insertion holes 2 formed at the center of each part
The screw 6 (see FIG. 3) through which the screw 6 is inserted is screwed into the screw 6, and the plate 6 is held at the center of both ends in the longitudinal direction of the temporary fixing pad 1. The temporary fixing pad 1 is temporarily fixed to the plate frame 2 by engaging with the screw engagement hole 1b formed as the second temporary fixing means. The screw engagement hole 1b is formed in an oblong hole, and facilitates engagement of the screw 6.

As described above, the temporary fixing pad 1 is temporarily fixed to the plate frame 2 to perform positioning, and further, packaging can be automatically performed in a state where the decorative frame 5 is attached to the surface of the plate frame 2. At this time, since the temporary fixing pad 1 is set to have an outer dimension that fits in the back of the plate frame 2, the temporary fixing pad 1 can be smoothly transported without being caught on the conveyor.

4, the inner edges of the side wall insertion holes 1c, 1c corresponding to the pair of side walls 4b, 4b opposed in the short direction of the fireproof cover 4, like the temporary fixing pad 1 whose front view is shown in FIG. The convex portion 1e is deviated in both sides of one of the long sides to constitute.
May be formed, and the side wall 4b of the fireproof cover 4 may be sandwiched between the protrusion 1e and the inner edge of the side wall insertion hole 1c.

In this embodiment, a temporary fixing pad 1, a plate frame 2, a fire-resistant plate corresponding to a mounting frame (not shown) having an opening into which three standardized wiring modules of one unit module size can be mounted. Although the panel 3 and the decorative frame 5 have been described, when this mounting frame is formed into a multiple module, a multiple plate whose dimension is expanded in the transverse direction so as to surround the entire frame of the mounting module formed as a multiple module is described. A frame (not shown), a fireproof panel (not shown), and a decorative frame (not shown) attached to the front side of the multiple plate frame so as to surround the entire frame of the multiple plate frame are used. At this time, the temporary fixing pad 1 is also expanded in the transverse direction, the fireproof cover 4 is temporarily fixed in the same manner as described above, and the fireproof cover 4 is temporarily fixed in the multiple plate frame in the same manner as described above. If the panel and the decorative frame are attached, the same effect as in the present embodiment can be obtained.

(Embodiment 2) FIG. 5 is an exploded perspective view of the fireproof cover in the present embodiment in a state of being packaged, and is different from Embodiment 1 in that a temporary fixing pad 1 in which a fireproof cover 4 is temporarily fixed.
The second temporary fixing means for temporarily fixing the same to the plate frame 2 is different, and the same components are denoted by the same reference numerals and description thereof is omitted.

In the present embodiment, four rectangular side wall insertion holes 1c corresponding to the four side walls 4b of the fireproof cover 4 are provided on the substantially rectangular temporary fixing pad 1, respectively.
The fireproof cover 4 is temporarily fixed to the temporary fixing pad 1 similarly to the first embodiment. Protrusions 1f are formed at the centers of both sides in the lateral direction of the temporary fixing pad 1, and the temporary fixing pad 1 on which the fireproof cover 4 is temporarily fixed is housed on the back surface of the plate frame 2, and the protrusion is formed. 1 f is locked and fixed to a locking portion (not shown) provided on the back surface of the plate frame 2.

In this way, the temporary fixing pad 1 to which the fireproof cover 4 is temporarily fixed is temporarily fixed to the plate frame 2 for positioning. Further, the fireproof panel 3 and the decorative frame 5 are formed on the surface of the plate frame 2 as in the first embodiment. Can be automatically packaged with (1) attached.

[0026]

According to the first aspect of the present invention, there is provided first temporary fixing means for holding the fireproof cover using existing components provided in the fireproof cover attached to the opening of the wiring device mounting frame; Using the existing components of the plate frame fixed to the surface of the mounting frame, the second temporary fixing means held by the plate frame while the fireproof cover is temporarily fixed to the pad body. Because of this, there is an effect that the temporary fixing pad to which the fireproof cover is temporarily fixed can be positioned with respect to the plate frame, and the packaging can be automated.

According to a second aspect of the present invention, in the first aspect of the invention, the second temporary fixing means inserts a screw for fixing the plate frame provided on the plate frame to a surface of the mounting frame. Since it is composed of a screw engagement hole that engages with a valley of a thread crest threaded into the screw inserted through the screw insertion hole to be inserted,
There is an effect that the temporary fixing pad can be easily temporarily fixed to the plate frame.

According to a third aspect of the present invention, in the first aspect of the present invention, the second temporary fixing means is formed by a projection which is engaged with an existing component provided on the back surface of the plate frame. There is an effect that the pad for use can be temporarily fixed easily to the plate frame.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, since the outer dimensions of the pad body are such that up to two of the fireproof covers can be temporarily fixed, the pad for temporary fixing 1 There is an effect that one fire-resistant cover and two attached parts can be used in common in a product type.

According to a fifth aspect of the present invention, in the invention of any one of the first to fourth aspects, since the outer dimensions of the pad main body are dimensions that fit within the back surface of the plate frame, the pad for temporary fixing during automatic packaging is provided. Can be smoothly transported without being caught on a conveyor.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, the outer dimensions of the pad body are the same as the outer dimensions of the multiple plate frame corresponding to the multiple mounting frame. Since it is the corresponding dimensions, even for the multiple plates corresponding to the multiple mounting frame, the temporary fixing pad temporarily fixing the fireproof cover is positioned with respect to the multiple plate frame,
There is an effect that packaging can be automated.

According to a seventh aspect of the present invention, in the first aspect of the present invention, the first temporary fixing means for holding the fireproof cover having a side wall perpendicular to the surface of the pad body includes the fireproof cover. The side wall of the fireproof cover, which is formed by a side wall insertion hole for inserting the side wall of the cover and is inserted into the side wall insertion hole, is sandwiched by a protrusion formed on an inner edge of the side wall insertion hole and an inner edge of the side wall insertion hole. Therefore, there is an effect that the fireproof cover can be easily temporarily fixed to the temporary fixing pad.

According to an eighth aspect of the present invention, the fireproof cover is temporarily fixed to the temporary fixing pad by using the temporary fixing pad of the fireproof cover for a wiring device according to any one of the first to seventh aspects. Since the temporary fixing pad with the cover temporarily fixed is temporarily fixed to the plate frame fixed to the surface of the wiring device mounting frame, the temporary fixing pad with the fireproof cover temporarily fixed is positioned with respect to the plate frame. Thus, there is an effect that the packaging can be automated.

[Brief description of the drawings]

FIG. 1A is a front view showing a temporarily fixed state of a fireproof cover according to Embodiment 1 of the present invention. (B) It is a side view which shows the temporary fixing state of the fireproof cover of Embodiment 1 of this invention. (C) It is a back view which shows the temporary fixing state of the fireproof cover of Embodiment 1 of this invention. (D) It is a bottom view which shows the temporary fixing state of the fireproof cover of Embodiment 1 of this invention.

FIG. 2 is an exploded perspective view showing a temporarily fixed state of the fireproof cover according to the first embodiment of the present invention.

FIG. 3 is a front view showing attachment of the plate frame and the fireproof panel according to the first embodiment of the present invention.

FIG. 4 is a front view showing a temporary fixing pad according to the first embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a temporarily fixed state of a fireproof cover according to Embodiment 2 of the present invention.

FIG. 6A is a front view showing a state in which a conventional fireproof cover is packaged. (B) It is a rear view which shows the state at the time of packaging of the conventional fireproof cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Temporary fixing pad 1b Screw engagement hole 1c Side wall insertion hole 1d Convex part 2 Plate frame 4 Fireproof cover 4b Side wall 4c Dowel 6 Screw

Claims (8)

[Claims] 1. A first temporary fixing means for holding a fireproof cover using an existing component provided in a fireproof cover attached to an opening of a mounting frame for a wiring device, wherein the first temporary fixing means is fixed to a surface of the mounting frame. A second temporary fixing means which is held by the plate frame in a state where the refractory cover is temporarily fixed by using an existing component included in the plate frame which is provided on the pad body. Pad for temporary fixing of fireproof cover for instruments. 2. A second temporary fixing means, wherein the second temporary fixing means is screwed into the screw inserted through a screw insertion hole for inserting a screw for fixing the plate frame provided on the plate frame to a surface of the mounting frame. 2. The pad for temporarily fixing a fireproof cover for a wiring device according to claim 1, comprising a screw engagement hole engaged with a valley of the screw thread. 3. The fireproof cover according to claim 1, wherein the second temporary fixing means comprises a projection which locks an existing component provided on the back surface of the plate frame. Pad for temporary fixing. 4. The temporary fixing of a fireproof cover for a wiring device according to claim 1, wherein an outer dimension of the pad main body is a dimension capable of temporarily fixing a maximum of two fireproof covers. Pat. 5. The pad for temporarily fixing a fireproof cover for a wiring device according to claim 1, wherein an outer dimension of the pad body is a dimension that fits in a back surface of the plate frame. 6. The external dimension of the pad body is a dimension corresponding to the external dimension of the multiple plate frame corresponding to the multiple mounting frame. The pad for temporary fixing of the fireproof cover for wiring equipment according to the above. 7. The first temporary fixing means for holding the fireproof cover having a side wall perpendicular to the surface of the pad body, the first temporary fixing means comprises a side wall insertion hole for inserting the side wall of the fireproof cover, and the side wall insertion hole. The wiring according to any one of claims 1 to 6, wherein the side wall of the fireproof cover inserted into the side wall is sandwiched between a protrusion formed on an inner edge of the side wall insertion hole and an inner edge of the side wall insertion hole. Pad for temporary fixing of fireproof cover for instruments. 8. The fireproof cover is temporarily fixed to the temporary fixing pad by using the temporary fixing pad of the fireproof cover for a wiring device according to any one of claims 1 to 7, and the fireproof cover is temporarily fixed. A temporary fixing method for a fireproof cover for a wiring device, wherein the temporary fixing pad in a state is temporarily fixed to a plate frame fixed to a surface of a mounting frame for a wiring device.