JP7825456B2 - Disaster prevention equipment adapter - Google Patents

Description

The present invention relates to an adapter for mounting disaster prevention equipment equipped with a fire alarm that is installed on the wall of a building to sound an alarm in the event of a fire, and to an adapter that is effective for mounting an equipment housing box or emergency alarm equipment equipped with a fire alarm, bell, or speaker to sound the alarm.

Traditionally, fire alarm systems (fire alarm equipment) consisting of disaster prevention equipment such as fire transmitters (hereinafter simply referred to as transmitters) and indicator lights, and fire receivers, are installed inside buildings to alert people to the occurrence of a fire. The disaster prevention equipment that makes up a fire alarm system includes an equipment housing box or emergency alarm equipment installed on the wall of a building, which has a transmitter, bell, speaker, and indicator light on the front. The equipment housing box and emergency alarm equipment have similar configurations, although the destinations to which the signal that notifies people of a fire, which is generated when the transmitter is operated, is sent are different.

Japanese Patent Application Laid-Open No. 2005-196742

In recent years, the integration of indicator lights and transmitters has been promoted with the aim of miniaturization, and the use of indicator light-integrated transmitters in equipment housing boxes and emergency alarm equipment has also led to miniaturization. However, in existing equipment, boxes for installing conventional large equipment are embedded in the wall, and replacing them is not easy. Therefore, it has become necessary to separately design and manufacture base plates of a size that fits the existing embedded boxes.
However, since the recessed boxes cannot be replaced, there is a demand to avoid designing and producing a base plate of a size that fits the existing recessed box every time a new equipment housing box or emergency alarm equipment is produced for renewal, as this would lead to increased costs.

Furthermore, the Fire Service Act stipulates that transmitters must be installed so that their operating unit (push button) is between 80 and 150 cm above the floor. However, it became clear that removing some units during the renovation would result in a change to the base plate, which would change the position of the transmitter, potentially causing the operating unit to no longer conform to the height stipulated by law.

An example of an invention related to the present invention is described in Patent Document 1. The invention in Patent Document 1 forms a recessed, substantially flat mounting surface over almost the entire front surface of the equipment storage box, and a colored plate is fixed to this mounting surface. However, this prior invention aims to improve the design of the equipment storage box by providing a colored plate that covers almost the entire exposed portion of the equipment storage box, allowing it to blend in with the surrounding wall surfaces. It is not intended to avoid the increased costs associated with changing the size of the equipment storage box when renovating it.

The present invention was made with the above-mentioned problems in mind, and its purpose is to provide an adapter for disaster prevention-related equipment that can avoid the increased costs associated with changing the size of equipment housing boxes and emergency alarm equipment when renovating them.
Another object of the present invention is to provide an adapter for disaster prevention-related equipment that can avoid the situation where, when an equipment housing box or emergency alarm equipment is renovated, the vertical length of the equipment is reduced by reducing some of the parts and units in the equipment housing box or emergency alarm equipment, causing the position of the transmitter to change and no longer conform to the specified height.

In order to solve the above problems, the present invention provides:
An adapter for disaster prevention related equipment for attaching a base plate to an embedded box, the base plate having a panel portion that has a transmitter with at least a push button and is openable and closable in front of a storage portion of the disaster prevention related equipment, and a frame body that holds the panel portion,
a flat adapter body having an opening of a size corresponding to the opening of the frame body,
The adapter body has a shape that is at least larger in vertical height than the base plate,
screw insertion holes are formed in four corners of the adapter body, through which first fixing screws for attaching the adapter body to the embedded box are inserted;
screw holes into which second fixing screws for attaching the base plate to the adapter body are threadedly engaged are formed at four corners of the edge of the opening of the adapter body ;
The frame body has a first screw insertion hole through which the first fixing screw is inserted at a position corresponding to the screw insertion hole of the adapter body,
The first screw insertion hole provided in the frame is formed to have a diameter larger than the diameter of the head of the first fixing screw .

With the adapter configured as described above, when replacing the indicator light and transmitter of an equipment housing box or emergency alarm equipment with a transmitter with indicator light in the front part of an existing recessed box, there is no need to design and produce a base plate of a size that fits the existing recessed box, which makes it possible to avoid increased costs associated with changing the size when renovating the equipment housing box or emergency alarm equipment.In addition, even if the size of the front part of the recessed box and the size of the base plate differ, the adapter can prevent the creation of an opening due to the size difference.
In addition, it is possible to prevent the heads of the fixing screws used to attach the adapter body to the front of the embedded box from interfering with the base plate.

Another invention of the present application is
An adapter for disaster prevention related equipment for attaching a base plate to an embedded box, the base plate having a panel portion that has a transmitter with at least a push button and is openable and closable in front of a storage portion of the disaster prevention related equipment, and a frame body that holds the panel portion,
a flat adapter body having an opening of a size corresponding to the opening of the frame body,
The adapter body has a shape that is at least larger in vertical height than the base plate,
screw insertion holes are formed in four corners of the adapter body, through which first fixing screws for attaching the adapter body to the embedded box are inserted;
screw holes into which second fixing screws for attaching the base plate to the adapter body are threadedly engaged are formed at four corners of the edge of the opening of the adapter body;
screw insertion holes through which the first fixing screws are inserted are formed at four corners of the edge of the opening of the adapter body at positions corresponding to the screw holes of the embedded box;
At the four corners of the frame, screw insertion holes through which the first fixing screws are inserted are formed at intervals equal to the lateral intervals of the screw holes in the embedded box.
According to this configuration, the base plate and the adapter can be attached to the front part of the embedded box at the same time using a common screw, so the number of fixing screws used can be reduced .

Here, it is desirable to configure the adapter so that it has a decorative panel having the same thickness as the base plate, and that when the base plate is attached to the front surface of the adapter body, it is joined to the front surface of the adapter body in a portion where the adapter body is not present, thereby eliminating the step between the base plate and the adapter body .
According to this configuration, since the decorative panel is provided, there is no difference in level between the front surface of the adapter and the front surface of the base plate, and the appearance can be improved .

Furthermore, it is preferable that the adapter body has one opening, which is provided at the top or bottom of the adapter body, and the decorative panel is attached to the top or bottom of the adapter body .
With this configuration, the base plate can be attached even if the adapter body is upside down, so when renovating an equipment housing box or emergency alarm equipment, it is possible to avoid a situation where the position of the transmitter changes and the equipment no longer conforms to the specified height due to the reduction in the vertical length of the equipment caused by reducing some of the parts and units in the equipment housing box or emergency alarm equipment .

Preferably, the screw insertion holes provided at the four corners of the adapter body are configured to have a small diameter portion provided on the back side of the adapter body through which the threaded portion of the first fixing screw is inserted, and a large diameter portion provided on the front side of the adapter body through which the head of the first fixing screw is fitted .
With this configuration, it is possible to prevent the heads of the fixing screws used to attach the adapter body to the front part of the embedded box from interfering with the base plate .

The adapter for disaster prevention-related equipment according to the present invention can avoid the increased costs that come with changing the size of equipment housing boxes and emergency alarm equipment when renovating them. Furthermore, when renovating equipment housing boxes and emergency alarm equipment, reducing the height of the equipment by eliminating some of the parts and units in the equipment housing box or emergency alarm equipment can prevent the position of the transmitter from changing and causing it to no longer conform to the specified height.

1 is an exploded perspective view showing a first embodiment of an adapter for disaster prevention-related devices according to the present invention. 2A and 2B are perspective views showing how a base plate is attached using the adapter shown in FIG. 1 and the state after attachment. FIG. 10 is an exploded perspective view showing a second embodiment of an adapter for disaster prevention related devices. 10A and 10B are perspective views showing how the adapter of the second embodiment is attached and the state after attachment. FIG. 10 is an exploded perspective view showing a third embodiment of an adapter for disaster prevention related devices. 10A and 10B are perspective views showing how the adapter of the third embodiment is attached and the state after attachment. FIG. 10 is an exploded perspective view showing a fourth embodiment of an adapter for disaster prevention related devices. FIG. 10 is a perspective view showing another form of the fourth embodiment of the adapter for disaster prevention related equipment. FIG. 10 is an exploded perspective view showing a fifth embodiment of an adapter for disaster prevention related equipment. FIG. 11 is a perspective view showing a state in which the adapter of the fifth embodiment is attached. 1A is an exploded perspective view showing an example of the configuration of a conventional equipment housing box, and FIG. 1B is a perspective view showing a state in which a renewed equipment housing box door is attached to a conventional recessed box.

Below, we will explain an embodiment of an adapter for disaster prevention related equipment to which the present invention is applied, with reference to the drawings. First, we will explain the configuration of an existing equipment storage box in which the adapter for disaster prevention related equipment of this embodiment is used.
As shown in FIG. 11(A), an existing general equipment housing box has a front door (base plate) 34 provided on the front with an indicator light 31, an acoustic hole 32 for a bell or speaker, and a transmitter 33, and the front door (base plate) is fixed with screws using screw holes 35a provided in the four corners of a bent piece formed by bending the front edge of an embedded box 35 installed inside the wall of a building inward by 90 degrees.

In addition, conventional equipment housing boxes typically have separate indicator lights 31 and transmitters 33, and the indicator lights 31 are typically bullet-shaped. However, bullet-shaped indicator lights protrude significantly and can sometimes obstruct passage, so flat indicator lights have been put into practical use. Furthermore, integrated indicator light transmitters are becoming more common. Therefore, there is a demand to replace existing equipment housing boxes with indicator light transmitters.

However, when removing the indicator light 31 and transmitter 33 from a conventional equipment housing box equipped with the indicator light 31, acoustic hole 32, and transmitter 33 and installing a transmitter with an indicator light, if the front door 34, which serves as the base plate, remains the same size as before, it is convenient for installation in an existing recessed box 35. However, since a new installation may be required, it is necessary to downsize the front door 34 to accommodate the transmitter's renewal. However, if the front door 34 is downsized, an opening will be created when installing it in an existing recessed box 35, as shown in Figure 11 (B). The present invention provides an adapter that allows the base plate 30 to be installed in an existing recessed box 35 while avoiding the creation of this opening. An embodiment of this adapter is described below.

(First embodiment)
1 and 2 show an adapter according to a first embodiment of the present invention.
1, the adapter 10 of this embodiment is configured with a flat adapter body 11 having an outer shape the same size as the existing embedded box 35 and an opening 11A, and screw insertion holes 12a for inserting screws (male threads) are provided at the four corners of the adapter body 11. By inserting screws into the screw insertion holes 12a and threading them into screw holes 35a (female threads) provided at the four corners of the embedded box 35, the adapter body 11 can be fixed to the front surface of the embedded box 35.

The base plate 30 for a miniaturized equipment housing box is composed of a panel section 36 equipped with an acoustic hole 32 and a transmitter with an indicator light 33, and a rectangular frame body 37 with an opening 37A. The panel section 36 is attached to the frame body 37 so that it can be opened and closed. The frame body is provided with a screw insertion hole 37a. The adapter body 11 is formed with an opening 11A of a size corresponding to the opening 37A of the frame body 37. Further, a screw hole 12b is formed at the edge of the opening 11A of the adapter body 11, into which a screw is threaded to secure the base plate 30 for an equipment housing box to the adapter body 11 via the screw insertion hole 37a.

2 shows how the base plate 30 for an equipment housing box is attached to the front surface of the recessed box 35 using the adapter 10 of this embodiment, and the state after fixing. With the adapter 10 of this embodiment, as shown in FIG. 2(B), even if the base plate 30 for a miniaturized equipment housing box is attached to the front surface of the recessed box 35, no opening is created.
The transmitter with indicator light 33 on the base plate 30 for the equipment housing box has a push button 33a for the transmitter in the center, and a pair of arc-shaped indicator lights 33b on both sides of the button.

Second Embodiment
3 and 4 show an adapter according to a second embodiment of the present invention.
As shown in FIG. 3, the adapter 10 of this embodiment has decorative panels 14A and 14B, each having the same thickness as the base plate 30 for the equipment housing box, attached to the upper and lower sides of the opening 11A of the adapter 10 by screws.

As shown in Figure 2(B), when the base plate 30 for the equipment housing box is attached to the front of the recessed box 35, a step is created between the front of the base plate 30 and the front of the adapter 10 in the first embodiment. However, the adapter 10 of this embodiment is equipped with decorative panels 14A and 14B, which has the advantage of eliminating the step and improving the appearance, as shown in Figure 4(B).

(Third embodiment)
5 and 6 show an adapter according to a third embodiment of the present invention.
As shown in Figure 5, the adapter 10 of this embodiment is configured so that the opening 11A of the adapter 10 is formed in the lower part (or either the upper part) of the adapter body 11, a base plate 30 is disposed in front of it, and one decorative panel 14 is attached to the front surface on the side without the opening 11A.

According to the adapter 10 of this embodiment, as shown in FIG. 6, by turning the adapter body 11 upside down, the mounting position of the base plate 30 can be changed, thereby changing the height of the transmitter with indicator light 33 from the floor surface.
As a result, even if the existing recessed box 35 is arranged so that the height of the transmitter push button 33a is at the very upper or lower limit of the specified height range, the height of the transmitter push button (33a) can be kept within the specified range by fixing the adapter body 11 to the recessed box 35 in either the position shown in Figure 6 (A) or (B).

(Fourth embodiment)
7 and 8 show an adapter according to a fourth embodiment of the present invention.
The adapter 10 of this embodiment is designed so that the heads of the screws used to attach the adapter body 11 to the embedded box 35 do not interfere with the base plate 30 .

In this embodiment, as shown in FIG. 7(A), screw insertion holes 12a are provided at the outer corners of the adapter body 11 to attach the adapter body 11 to the recessed box 35. Screw holes 12b are provided inward of the screw insertion holes 12a and on the decorative panel 14-side edge of the opening 11A, respectively, to receive screws for attaching the base plate 30 to the adapter body 11. As shown in FIG. 7(B), interference prevention holes 12c, which are recesses that accommodate the heads of screws 15, are provided around the screw insertion holes 12a. This prevents the heads of the screws 15 from interfering with the frame 37 of the base plate 30. Screws 16 below the screws 15 are threaded into the screw holes 12b to attach the base plate 30 to the adapter body 11.

8, insertion holes 37a for the screws 16 used to attach the base plate 30 to the adapter body 11 are provided at positions near the openings in the four corners of the frame body 37 of the base plate 30, and interference prevention holes 37c are provided at positions closer to the outside of the insertion holes 37a in the four corners of the frame body 37 to prevent the heads of the screws used to attach the adapter body 11 to the embedded box 35 from interfering with the base plate 30. Therefore, the diameter of the interference prevention holes 37c is larger than the diameter of the heads of the fixing screws 15.
The reason why the interference prevention holes 37c are provided in the lower part of the frame body 37 of the base plate 30 as well as in the upper part is to prevent the heads of the fixing screws 15 from interfering with the frame body 37 of the base plate 30 whether the base plate 30 is installed offset to the upper side or the lower side of the adapter 10, as shown in Figures 6(A) and (B).

Fifth Embodiment
9 and 10 show an adapter according to a fifth embodiment of the present invention.
The adapter 10 of this embodiment is designed to be able to reduce the number of screws used compared to other embodiments.
Specifically, as shown in Figure 9, screw insertion holes 37a for attaching the base plate 30 to the adapter main body 11 are provided near the opening at the four corners of the frame body 37 of the base plate 30, and screw insertion holes 37b for fixing to the embedded box 35 are provided on the outside of these.In addition, screw insertion holes 12a are provided at the four corners of the adapter main body 11, and two screw holes 12b for attaching the frame body 37 of the base plate 30 to the adapter main body 11 are provided at the edge near the center of the four corners of the opening 11A of the adapter main body 11.

The reason for the above configuration is that if screw insertion holes were provided in the base plate 30 with the same width as the screw holes 35a in the recessed box 35, only the top two or bottom two screws could be attached to the recessed box due to the difference in height. Therefore, it is necessary to provide screw insertion holes 37a with a width smaller than the screw holes 35a in the recessed box 35, and it is necessary to provide both screw insertion holes 37b that can be attached directly to the recessed box 35 and screw insertion holes 37a that can be attached only to the adapter main body 11.

By configuring as described above, as shown in FIG. 10, a common screw is inserted into the insertion hole 37a of the frame body 37 of the base plate 30 and the screw insertion hole 12a of the adapter main body 11, and then screwed into the screw hole 35a of the embedded box 35, thereby reducing the number of fixing screws compared to the first to fourth embodiments.
9, two screw holes 12b for attaching the frame 37 of the base plate 30 to the adapter body 11 may be provided at the upper edge of the four corners of the opening 11A of the adapter body 11, that is, screw holes 12b may be provided at all four corners of the opening 11A. This makes it possible to simultaneously fix the base plate 30 and the adapter body 11 to the recessed box 35 with one screw, or to fix the base plate 30 to the adapter body 11 and then fix the base plate 30 to the recessed box 35.

With the adapters of the first to fourth embodiments configured as described above, when upgrading to a more compact size by replacing the transmitter of a conventional equipment housing box with a transmitter with an indicator light, there is no need to design and manufacture a larger base plate 30 for the equipment housing box to match the built-in box. Furthermore, by using a decorative panel, it is possible to avoid a step between the adapter 10 and the base plate 30 of the equipment housing box, improving the appearance.

The height of the indicator light-equipped transmitter 33 can be adjusted by changing the vertical position of the adapter 10. Furthermore, by providing an interference prevention hole, interference between the screw head and the equipment housing box base plate 30 can be avoided when attaching the adapter 10 to the recessed box 35 and attaching the equipment housing box base plate 30 to the adapter 10 separately. Furthermore, by being able to attach the adapter 10 and the equipment housing box base plate 30 to the recessed box 35 simultaneously with a single screw, the number of fixing screws used can be reduced.

Although the present invention has been described above based on the embodiments, the present invention is not limited to the above embodiments. For example, the decorative panels 14A, 14B may have a thickness equal to that of the base plate 30 of the equipment housing box only on the surface that contacts the base plate 30 of the equipment housing box, and may have a slope that makes them thinner toward the upper or lower end of the recessed box 35.
Furthermore, the decorative panels 14A and 14B may be integrally formed with the adapter body 11, or may be attached to the adapter body 11 by means other than screws.

Furthermore, the base plate 30 of the equipment housing box may be formed integrally with the panel portion 36 and the frame body 37. In this case, the base plate 30 of the equipment housing box may be provided with the acoustic hole 32 and the transmitter with indicator light 33, as well as with screw insertion holes.
Furthermore, although the threads are exposed on the surface of the adapter 10, it is preferable to hide them with, for example, a resin screw cap or sticker, etc. This not only improves the design but is also expected to have the effect of preventing tampering with the threads.

Furthermore, the adapter of the second embodiment shown in Figures 3 and 4 has a single opening 11A in the center of the adapter body 11 with decorative panels 14A and 14B arranged above and below it. However, the base plate 30 for the equipment housing box may be divided into two base plates: one for the acoustic hole 32 and one for the transmitter with indicator light 33. Alternatively, a single decorative panel covering part of the opening 11A may be arranged in the center of the adapter body 11, with base plates for the acoustic hole and the transmitter with indicator light attached above and below it, respectively, to eliminate any steps.

In addition, in the above embodiment, the explanation of the screw insertion holes for fixing the decorative panels 14A, 14B is omitted, but they may have a structure similar to the screw insertion holes (12a, 12c) in Figure 7 (B) consisting of a small diameter portion and a large diameter portion, or they may be screw insertion holes consisting of only a small diameter portion.
Furthermore, in the above embodiment, the present invention is described as being applied to an equipment housing box that constitutes a fire alarm system, but the present invention is not limited to equipment housing boxes and can also be used in emergency alarm equipment.

REFERENCE SIGNS LIST 10 Adapter 11 Adapter body 11A Opening 12a Screw insertion hole 12b Screw hole 12c Interference prevention hole 14A, 14B Decorative panel 15, 16 Fixing screw 30 Base plate 31 Indicator light 32 Sound hole 33 Transmitter 34 Front door 35 Embedded box 35a Screw hole 36 Panel portion 37 Frame body 37A Opening 37a, 37b Screw insertion hole 37c Interference prevention hole

Claims (5)

An adapter for disaster prevention related equipment for attaching a base plate to an embedded box, the base plate having a panel portion that has a transmitter with at least a push button and is openable and closable in front of a storage portion of the disaster prevention related equipment, and a frame body that holds the panel portion,
a flat adapter body having an opening of a size corresponding to the opening of the frame body,
The adapter body has a shape that is at least larger in vertical height than the base plate,
screw insertion holes are formed in four corners of the adapter body, through which first fixing screws for attaching the adapter body to the embedded box are inserted;
screw holes into which second fixing screws for attaching the base plate to the adapter body are threadedly engaged are formed at four corners of the edge of the opening of the adapter body ;
The frame body has a first screw insertion hole through which the first fixing screw is inserted at a position corresponding to the screw insertion hole of the adapter body,
An adapter for disaster prevention-related equipment, characterized in that the first screw insertion hole provided in the frame body is formed to have a diameter larger than the diameter of the head of the first fixing screw . An adapter for disaster prevention related equipment for attaching a base plate to an embedded box, the base plate having a panel portion that has a transmitter with at least a push button and is openable and closable in front of a storage portion of the disaster prevention related equipment, and a frame body that holds the panel portion,
a flat adapter body having an opening of a size corresponding to the opening of the frame body,
The adapter body has a shape that is at least larger in vertical height than the base plate,
screw insertion holes are formed in four corners of the adapter body, through which first fixing screws for attaching the adapter body to the embedded box are inserted;
screw holes into which second fixing screws for attaching the base plate to the adapter body are threadedly engaged are formed at four corners of the edge of the opening of the adapter body;
screw insertion holes through which the first fixing screws are inserted are formed at four corners of the edge of the opening of the adapter body at positions corresponding to the screw holes of the embedded box;
An adapter for disaster prevention related equipment, characterized in that screw insertion holes through which the first fixing screws are inserted are formed at the four corners of the frame body at intervals equal to the lateral spacing of the screw holes in the recessed box. 3. The adapter for disaster prevention-related equipment according to claim 1 or 2, characterized in that it is provided with a decorative panel having the same thickness as the base plate, which is joined to a portion of the front surface of the adapter body where the adapter body is not present when the base plate is attached to the front surface of the adapter body, thereby eliminating the step between the base plate and the adapter body. The adapter for disaster prevention-related equipment according to claim 3, characterized in that the opening of the adapter body is one and is provided at the top or bottom of the adapter body, and the decorative panel is configured to be attached to the bottom or top of the adapter body. An adapter for disaster prevention-related equipment according to any one of claims 1 to 4, characterized in that the screw insertion holes provided at the four corners of the adapter body have a small-diameter portion provided on the rear side of the adapter body, through which the threaded portion of the first fixing screw is inserted, and a large-diameter portion provided on the front side of the adapter body, through which the head of the first fixing screw is fitted.