JP3284482B2 - Disaster prevention equipment storage box and its mounting method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embedded type or exposed type storage box for disaster prevention equipment such as fire alarm equipment, and a method of mounting the same.

[0002]

2. Description of the Related Art For example, a storage box of an embedded or exposed type disaster prevention device such as a general panel in a fire alarm system has an opening on the front surface and is embedded in a wall in a vertically or horizontally long state.
Alternatively, a storage box is configured by a box having a back surface attached to a wall surface and a plate that has an openable and closable door and is detachably attached to an opening of the box. In addition, a disaster prevention device such as a transmitter is attached, and the lead wires of these disaster prevention devices are connected to external wiring via a terminal block provided in a storage box and communicate with other devices.

When a box is to be embedded in a wall, the box is mounted on a frame provided on the wall and fixed with screws, and concrete is cast around the box and installed. At the stage of installing this box, only the box is installed because the building where the storage box is installed is performing interior work,
Plates are not installed to prevent them from getting dirty or damaged. When the interior work is completed, the plate is installed in a very short time, and the internal and external wiring connections and various tests are performed.

When a fire is found, a push button provided on the transmitter is pressed to send a fire signal to a fire receiver via external wiring and to sound a bell.
The indicator light is provided to indicate the presence of the transmitter. In such a disaster prevention equipment storage box, in addition to the above disaster prevention equipment, such as a repeater of a differential distributed sensor and a fire detector,
It may house more than one disaster prevention device.

[0005] As an example of the above-mentioned storage box for disaster prevention equipment, there is a device disclosed in Japanese Utility Model Laid-Open No. 53-92627, Japanese Utility Model Laid-Open No. 54-631 and Japanese Utility Model Laid-Open No. 56-164398. In these devices, a mounting frame having a terminal block in an opening of a box embedded in a wall surface, and a plate door provided with an indicator light, a transmitter, and an acoustic hole of a bell is hingedly mounted by a hinge. The present invention relates to a general panel and a fire alarm which are mounted with screws and connect lead wires and external wiring in a box to a terminal block with terminal screws.

Further, Japanese Utility Model Publication No. 2-37102 discloses that
A fire alarm system that has a terminal block to which the inside and outside wiring is connected by screws, and a plate on which an indicator light, a bell, and a transmitter are installed is fixed by screws to the front opening of the main unit mounted on the wall. It is shown.

[0007]

Problems to be Solved by the Invention
In the device disclosed in Japanese Patent Publication No. 7 (1995), etc., since the terminal block is attached to the storage frame (plate), the lead wires of the equipment attached to the plate door can be connected to the terminal block in advance, but embedded in the wall of the building. External wiring taken into the box embedded in the wall cannot be connected to the terminal block unless the storage frame is attached to the box or after installation. It is extremely difficult to perform the work, and erroneous wiring and the like are likely to occur. In addition, actual fairness 2
In the device disclosed in Japanese Patent Publication No. 37102, the terminal block is attached to the main body, but since the internal and external wirings are connected to the terminal block with screws, this is also very troublesome.

[0008] In general, the box is generally installed in a vertically long state, but sometimes it is embedded upside down on a wall surface. The box has directionality in relation to the plate to be mounted on it, so if it is installed upside down it must be replaced, but the work of removing the box embedded in the wall is extremely troublesome. is there.

Further, in order to prevent the plate from being damaged as described above, only the box is embedded in the wall surface, and the plate is mounted at a very busy time when there is not enough time immediately before the completion of the building. At this time, the internal and external wiring must be connected and a test must be performed to determine whether the external wiring connected to the terminal block is properly connected to the fire receiver. Since these operations have to be performed in a very short time, it is difficult for the above-mentioned conventional storage box to satisfy such a demand for the above-mentioned reason.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to connect external wiring to a terminal block with a margin, and to connect internal wiring to a terminal block easily and in a short time. An object of the present invention is to provide a storage box for disaster prevention equipment and a method of mounting the same, in which wiring or the like does not occur.

[0011]

The storage box for disaster prevention equipment according to the present invention comprises a box having an opening on the front surface, a plate having a door attached thereto and removably attached to the opening of the box. In a disaster prevention device storage box in which a door or the plate is provided with a disaster prevention device such as an indicator light or a transmitter, a terminal block for connecting external wiring and the disaster prevention device is detachably provided in the box, and a terminal of the terminal block is provided. An external wiring is fixed to one side with a terminal screw, and the other side of the terminal of the terminal block is connected to a lead wire of the disaster prevention device using a plug-in type terminal.

In the above-mentioned disaster prevention equipment storage box, an emboss is provided on a bottom plate of the box, and a terminal block is screwed to the emboss directly or via a mounting member, and the emboss is vertically and horizontally symmetrically mounted on the bottom plate of the box. It is provided.

Further, a method of mounting a disaster prevention equipment storage box according to the present invention includes a box having an opening at a front surface, a plate mounted with a door and removably attached to the opening of the box, and Alternatively, in a disaster prevention device storage box in which a disaster prevention device such as an indicator light or a transmitter is provided on the plate, a first step of embedding the box in a wall or mounting the box on a wall, and connecting external wiring to a terminal block mounted on the box. A second step of mounting, and a third step of attaching a plate having a door and having a disaster prevention device attached to an opening of the box,
And a fourth step of tangentially connecting the lead wires of the disaster prevention equipment mounted in the box or on the plate to the terminal block.

[0014]

The external wiring arranged in the wall is drawn out and connected to the terminal block of the box embedded in the wall or attached to the wall with a terminal screw in advance. When a plate is attached to the opening of the box, the insertion terminal provided on the lead wire of the disaster prevention equipment provided therein is inserted into the insertion portion of the terminal block, and both are electrically connected.

Further, the terminal block is screwed directly to the emboss provided on the bottom plate of the box or via an attachment member. Furthermore, by providing the embossment on the bottom plate of the box symmetrically in the vertical and horizontal directions, the terminal block can be easily mounted at a predetermined position even if the box is mounted vertically or horizontally.

[0016]

FIG. 1 is an exploded perspective view of an embodiment of the present invention. In the drawing, reference numeral 1 denotes a box having an opening 3, a terminal plate 16 mounted on a bottom plate 2, 30 a bell, a frame-shaped plate attached to the box 1, and 50 an indicator light 5.
9, a door which has an acoustic hole 56 of the bell 45 and a transmitter 60 and is attached to the plate 30 so as to be openable and closable.

As shown in FIG. 2, the box 1 is formed by bending a metal plate into a box shape. Edges 6a, 6b bent inward are formed on the opening 3 side of the upper and lower walls 4a, 4b. Are provided on the upper and lower sides of the side wall 5a, 5b on the side of the opening 3 at edges 7a, 7b, 7c, 7d bent inward.
Is provided. In addition, this edge part 7a, 7c, 7b
And 7d may be formed continuously. 8a, 8b and 8
c and 8d are screw holes provided in upper and lower edges 6a and 6b,
9a, 9b and 9c, 9d are left and right edges 7a, 7b, 7
Screw holes provided in c and 7d.

10a to 10d, 11a to 11d, 12a
Reference numerals 12d denote four embosses projecting symmetrically inward from the bottom plate 2 of the box 1 by pressing or the like, and each has a screw hole 13 at the center. Reference numerals 14 and 15 denote upper and lower walls 4a and 4b and left and right side walls 5a and 5 of the box 1, respectively.
In the wire insertion part provided in b, the state just before punching is held by press working, punched out by punching to form a hole, the external wiring is drawn into the box 1, or the wiring in the box 1 is Withdraw. The number and positions of the embosses 10a to 10d, 11a to 11d, 12a to 12d, and the insertion portions 14, 15 of the wiring can be changed as appropriate. Thus, the box 1 according to the present embodiment and the embosses 10a to 10d, 11
a to 11d and 12a to 12d are formed symmetrically in the vertical and horizontal directions.

Referring again to FIG. 1, reference numeral 16 denotes a terminal block attached to the bottom plate 2 of the box 1, an example of which is shown in FIG. The terminal block 16 has a plurality of terminal portions 18 formed by partition walls 17. Each terminal portion 18 has a screw hole 20, and one end is bent obliquely upward to form a plug-in portion 19 a. The metal fitting 19 is attached.
A terminal screw 22 is screwed into 0 through a terminal washer 21. 23a and 23b are mounting portions provided on both sides of the terminal block 16, and 24a and 24b are screw insertion holes. 2
Reference numeral 5 denotes a mounting member for the terminal block 16. Screw holes 27a and 27b are provided at both ends of the main body 26 in alignment with the screw insertion holes 24a and 24b of the terminal block 16, and an L-shaped leg is provided. Screw insertion holes 29a and 29b are provided in 28a and 28b.

In the terminal block 16 as described above, first, the terminal block 16 is placed on the main body 26 of the mounting member 25, and screws are inserted through the screw insertion holes 24a, 24b to form the screw holes 27a, 27b.
And fix it. Then, the mounting member 25 to which the terminal block 16 is fixed is inserted into the box 1 so that the insertion portion 19a of the terminal fitting 19 is positioned at the center of the box 1 to form each of the embosses 11a, 11d, 12a, and 12d. It is placed on one of the pairs (the case where it is placed on the embosses 12a, 12d is shown in the figure), and a screw is inserted through the screw insertion holes 29a, 29b of the mounting member 25, so that the emboss 12
a and 12d are screwed into the screw holes 13 and fixed. The mounting member 25 is omitted and the terminal block 16 is directly embossed 11a.
11d and 12a to 12d.

In the above description, the terminal block 16 is connected to the box 1
In the case where the box 1 is mounted upside down, the terminal block 16 is removed once and the embossments 11a, 12d are mounted.
It may be attached to the embosses 10a and 10d depending on the wiring condition in the box 1. Further, when the terminal block 16 is short, for example, it may be attached to the embosses 12a and 12c or 12b and 12d. When a differential type distributed sensor is housed in the box 1, for example, the embosses 10a to 10
d, 11a to 11d, and 12a to 12d.

Referring again to FIG. 1, as shown in FIG. 4, the plate 30 is formed, for example, by bending a metal plate by pressing to form a frame, and has an outer peripheral wall 31 having a U-shaped cross section.
An inner peripheral edge 33 protrudes inward from the inner wall 32. 34a, 34b, 34c and 34d are screw holes 8a and 8 provided in upper and lower edges 6a and 6b of the box 1, respectively.
b, 8c, and 8d, are substantially T-shaped cutouts provided in the upper and lower inner peripheral edges 33 of the plate 30, and open at the inner edges of the inner peripheral edges 33 as shown in FIG. It is continuous with the oblong slot. 35a and 35b are Box 1
Screw holes 9a provided in one of the longitudinal edges 7a, 7c
9c, a notch provided in one vertical inner peripheral edge 33 of the plate 30, as shown in FIG.
Each has an opening in the shape of a letter C at the inner edge of the inner peripheral edge portion 33,
It is continuous with the letter-shaped hole.

The notches 34a, 34b, 3
4c, 34d and 35a, 35b are shown in FIG.
Only one of the shapes shown in (b) may be provided, or a notch having a different shape may be provided as shown in FIG. Further, the shape of the notch is not limited to that shown in the figure,
Any other shape may be used as long as it is open at the edge of.

Reference numeral 36 denotes a bell mounting portion having a U-shaped cross section mounted on the rear surface at the substantially central portion of the plate 30. A part of the lower edge is bent upward substantially at a right angle to form a partition wall 37. Reference numeral 38 denotes a stopper of the door 50 protruded by press working between the inner peripheral edge 33 provided with the cutouts 35a and 35b and the inner wall 32 of the outer peripheral wall 31;
3 is a screw hole provided substantially at the center in the vertical direction.
Note that the stopper 38 described above may be provided with an elastic body or the like instead of being protruded by press working.

As shown in FIG. 6, for example, the periphery of the metal plate is slightly bent inward to form a peripheral portion 51. The upper portion of the door 50 has a mounting hole 54 for an indicator light 59, and the lower portion has a transmitter. A mounting hole 55 of 60 is formed, and an acoustic hole 56 of the bell 45 mounted on the plate 30 is provided between the two. Reference numeral 57 denotes an insertion hole for the shaft of the door closing screw 58 (see FIG. 1). On one side of the upper and lower peripheral edges 51 of the door 50, bulging portions 52 having through holes 53 are formed as shown in FIG.

Next, an example of an assembling sequence of the present embodiment comprising the above-described components will be described. First, the box 1 in which the terminal block 16 is screwed to the embossment (for example, 12a and 12d) of the bottom plate 2 is embedded in a wall surface in advance with the terminal block 16 down, and the box 1 is inserted into the box 1 from the insertion portion 14 (or 15). The external wiring is taken in and screwed to the terminal portion 18 with terminal screws 22 respectively. Note that the terminal block 16 may be mounted after the box 1 is embedded in a wall surface. Then
An indicator light 59 is mounted in the mounting hole 54 of the door 50, and a transmitter 60 is mounted in the mounting hole 55, and lead wires are respectively wired on the rear surface of the door 50. Further, a bell 45 is attached to the bell attachment portion 36 of the plate 30 and wiring is performed. further,
The door closing screw 58 is attached to the insertion hole 57 of the door 50.

Next, the inner wall 3 of the outer peripheral wall 31 of the plate 30
The end of the door 50 on one side of 2 (the side having the bulging portion 52)
And a screw shaft 61 is inserted into a through hole 53 provided in the bulging portion 52 as shown in FIG. This screw shaft 61 is shown in FIG.
As shown in the figure, a main body 6 having a driver insertion portion 63
2 and a screw portion 64 provided on the main body 62.
Then, a reinforcing plate 40 having a screw hole 41 is brought into contact with the back surface of the inner wall 32 of the outer peripheral wall 31 of the plate 30, and the screw portion 64 of the screw shaft 61 is screwed into the screw hole 41, as shown in FIG. The door 50 is rotatably supported on the plate 30 by the shaft portion 62 of the screw shaft 61. The reinforcing plate 40 is
It may be attached to the back surface of the inner wall 32 of the plate 30 with a tape or the like in advance. Next, as shown in FIG. 11, the lead wires of the indicator lamp 59, the transmitter 60 and the bell 45 are collectively taken out from between the side wall of the bell mounting plate 36 and the partition wall 37. Note that insertion terminals 65 are attached to the tips of the lead wires, respectively.

The plate 3 on which such a door 50 is mounted
In order to mount the box 0 on the box 1 embedded vertically in the wall, first, as shown in FIG. 1, the screw 22 is screwed into the screw holes 8a and 8b provided in the edge 6a of the box 1. Stand up. Then, with the door 50 opened, the plate 30 is lowered along the opening 3 of the box 1, and the notches 34 a and 34 b provided in the upper inner peripheral edge 33 are erected from the opening in the box 1. It is fitted to the screws 22 and 22 and lowered by its own weight. Then, the screws 22, 22 are inserted into the notches 3.
4a, 34b, and the plate 3
Notches 34c, 34 provided in the inner peripheral edge 33 at the bottom of
screw hole 8 provided in the edge 6b of the box 1 from the long hole of d
Screws 22 and 22 are screwed into c and 8d. In this state, if the upper, lower, left, and right positions of the plate 30 are adjusted and the screws 22 are tightened, the plate 30 is fixed to the box 1.
FIG. 12 shows the state at this time. Next, after inserting the insertion terminals 65 provided on each lead wire of the internal device into the insertion portion 19a of the terminal fitting 19 of the terminal block 16, the door 50 is connected.
Is closed, and the screw 58 for closing the door is screwed into the screw hole 39 of the plate 30.
Is screwed into and fixed, the mounting of the plate 30 and, consequently, the installation of the integrated panel are completed.

When the box 1 is embedded horizontally in the wall, the screw holes 9 formed in the edges 7a and 7c of the box 1 are provided.
The screws 22 are erected on the screws a and 9c. The screws 22 are fitted into the notches 35a and 35b provided on the plate 30. The notches 34b and 34d of the plate 30 are connected to the edges 7b and 7d of the box 1. The screws 22 may be screwed into the provided screw holes 9b and 9d, the position of the plate 30 may be adjusted, and then each screw 22 may be tightened.

As described above, according to the present invention, even if the box is erroneously embedded in the wall upside down, the box is configured symmetrically in the vertical and horizontal directions. Can be installed. In this case, when the terminal block is mounted above the box, the terminal block may be removed and replaced with a lower emboss (in the past, the terminal block was generally fixed to a plate or box by welding).

Further, since the terminal block is mounted on the box, the external wiring provided in the wall can be drawn into the box and connected to the terminal fittings of the terminal block in advance. Therefore, it can be checked with a margin whether or not the signal lines and the like between the fire receivers are properly connected. In this case, the external wiring installed in the wall may be pulled during the construction of the building, but as described above, the external wiring is fixed to the terminal fittings of the terminal block by the terminal screws, so that the external wiring comes off the terminal block. There is no fear.

Each lead wire of the disaster prevention equipment provided on the plate is provided with an insertion terminal, and when the plate is mounted on the box, these insertion terminals are connected to the insertion portions of the terminal fittings of the terminal block provided on the box. I decided to
Even when there is not enough time, the connection work can be performed easily and quickly. Also, in the case of maintenance or failure of the disaster prevention device, it can be easily removed and attached.

In this case, since one end of the terminal fitting of the terminal block is bent obliquely upward to form the insertion portion, not only the insertion and removal of the insertion terminal can be performed easily and reliably, but also the external connection to the terminal portion can be made. When screwing the wiring, it is possible to prevent the external wiring from being inserted too much. Further, since the insertion portion of the terminal fitting is bent obliquely upward, there is no possibility that the hand will hit the bell mounting plate or the like at the time of connection. For this reason, the connection work is facilitated, and the length of the protrusion from the terminal block in the horizontal direction and the height direction can be shortened, so that the size of the storage box can be reduced.

[0034]

As is apparent from the above description, the following effects can be obtained according to the present invention. (1) Since the terminal block is detachably attached to the box, external wiring provided in the wall can be drawn into the box and connected to the terminal block in advance, and a short-circuit test is also performed first. be able to. Therefore, it is possible to reduce the number of working steps when there is not enough time, and it is possible to mount the plate in a short time and perform the connection reliably, so that there is no danger of erroneous wiring or poor contact.

(2) An insertion portion is formed at one end of the terminal fitting of the terminal block, and an insertion terminal provided on a lead wire of a disaster prevention device attached to a plate is inserted into this insertion portion and connected. The work of connecting the lead wires to the table becomes easy, and the work efficiency can be improved.

(3) An emboss is provided on the bottom plate of the box,
Since the terminal block was screwed to this emboss,
Easy positioning and detaching of the terminal block,
It can be replaced as needed. (4) In addition, since the above-mentioned emboss is provided symmetrically in the vertical and horizontal directions, the terminal block is always mounted in a predetermined position even when the box is mounted vertically or horizontally on the wall surface or when the box is mounted upside down and left and right. Can be.

(5) The method for mounting a disaster prevention equipment storage box according to the present invention includes a first step of embedding a box in a wall or mounting the box on a wall, and a second step of connecting external wiring to a terminal block of the box. And the third to attach the plate to the box
And connecting the lead wires of the disaster prevention equipment to the terminal block
Therefore, the mounting of the storage box can be performed efficiently without waste of time, and the working efficiency can be greatly improved.

[Brief description of the drawings]

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

FIG. 2 is a plan view (a), an AA cross-sectional view (b), and a bottom view (c) of the box of FIG.

FIG. 3 is a perspective view of an embodiment of a terminal block and a mounting member mounted on a box.

FIG. 4 is a plan view (a) of the plate of FIG.
It is sectional drawing (b).

FIG. 5 is an enlarged view of a cutout portion provided in the plate (a),
(B).

FIG. 6 is a plan view (a) of the door of FIG. 1 and a cross-sectional view (b) of FIG.

FIG. 7 is an enlarged view of a main part of FIG. 6;

FIG. 8 is an explanatory diagram of a screw shaft.

FIG. 9 is an explanatory diagram for explaining an order in which a door is mounted on a plate.

FIG. 10 is an explanatory diagram showing a connection state between a plate and a door.

FIG. 11 is a perspective view showing a state where a door is attached to a plate.

FIG. 12 is a perspective view showing a state where a plate is attached to the box.

[Explanation of symbols]

1 Box 3 Opening 6a, 6b, 7a, 7b Peripheral edge 8a-8d, 9a-9d, 13 Screw hole 10a-10d, 11a-11d, 12a-12d Embossed 14,15 Insertion hole 16 Terminal block 19 Terminal fitting 19a Insert Part 30 plate 34a-34d, 35a, 35b notch part 36 bell attaching part 45 bell 50 door 56 sound hole 59 indicator light 60 transmitter 65 insertion terminal

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G08B 17/00 H01R 9/00 H02G 3/16

Claims (4)

(57) [Claims] 1. A box having an opening at the front and a door
Attached and detachably attached to the opening of the box
And a plate to be displayed on the door or the plate.
In a disaster prevention device storage box where disaster prevention devices such as lights and transmitters are installed
And the box is connected to the external wiring and the disaster prevention equipment.
A sub-mount is provided detachably, and external wiring is connected to one side of the terminal of the terminal block by a terminal screw.
Fixed, the other side of the terminal of the terminal block and the lead wire of the disaster prevention equipment
Using a plug-in terminal . 2. The storage box for disaster prevention equipment according to claim 1, wherein an emboss is provided on the bottom plate of the box, and the terminal block is screwed to the emboss directly or via an attachment member. 3. The storage box for disaster prevention equipment according to claim 1, wherein an emboss is provided on the bottom plate of the box symmetrically in the vertical and horizontal directions. 4. A box having an opening at the front and a door
Attached and detachably attached to the opening of the box
And a plate to be displayed on the door or the plate.
In a disaster prevention device storage box where disaster prevention devices such as lights and transmitters are installed
A first step of embedding a box in a wall or attaching the box to a wall; a second step of connecting external wiring to a terminal block provided in the box; and a door in an opening of the box. A method of mounting a disaster prevention equipment storage box, comprising: a third step of mounting a plate to which the disaster prevention equipment is mounted; and a fourth step of connecting a lead wire of the disaster prevention equipment in the box or to the plate to the terminal block. .