JPH09177395A - Lock automatic release device for fire extinguisher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock device, by which a fire extinguisher can be locked at all times at the normal time, and at the emergency time, it can be released instantaneously through an automatic fire alarm receiver. SOLUTION: This lock automatic release device is provided with an automatic fire alarm receiver 20 electrically connected to a fire alarm equipment 6 installed to a building and a controller 30 attached to the receiver 20. A lock device 40 for a fire extinguisher being mounted into a housing body 20 set up to a building or near to the building and locking the fire extinguisher 1 fitted into the housing body at all times is connected electrically to the controller 30, an alarm command signal is output to at least either one of a main sound device 22 for the automatic fire alarm receiver 20, an alarm buzzer for the fire alarm equipment or an individual alarm equipment 31 installed near to a fire-extinguisher housing body from the controller 30 at the time of a fire, and the lock device 40 receives a release command signal from the controller 30 and is released automatically.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock automatic unlocking device for a fire extinguisher, and more particularly to a lock or locking device for normally locking a fire extinguisher and an automatic fire alarm receiver installed in a doorway of a building or a fire monitoring room. The present invention relates to a lock automatic unlocking device for a fire extinguisher electrically connected to and.

[0002]

2. Description of the Related Art Conventionally, a fire extinguisher is installed in, for example, a "fire extinguisher box". Since the fire extinguisher is used in an emergency, anyone can take out the fire extinguisher freely from the fire extinguisher box. However, in recent years, the fire extinguisher was taken out of the fire extinguisher box intentionally or without permission, and
There has been a problem that this could cause a personal accident by dropping it from a high-rise condominium.

[0003]

SUMMARY OF THE INVENTION In view of the background of the prior art, an object of the present invention is to prevent the fire extinguisher from being taken out from a fire extinguisher box or the like without permission. Then, the concrete subject of this invention is as enumerated below. The fire extinguisher can always be locked with a lock device except in an emergency. In an emergency, immediately unlock the lock device via the automatic fire alarm receiver based on the fire alarm signal or the unlocking signal transmitter attached to the building H or the container installed near the building. What you can do. In an emergency, before the fire alarm signal is transmitted, the lock device can be unlocked manually by operating the lock device emergency release signal transmitter. In other words, in the event of a fire, a person with ordinary height can operate the release signal transmitter with his / her finger and the lock device immediately unlocks and the fire extinguisher can be taken out. When the locking device is unlocked, the presence or absence of a fire extinguisher should be able to be visually or audibly appealed to.

[0004]

A lock automatic unlocking device for a fire extinguisher according to the present invention is an automatic fire alarm receiver 20 installed in a doorway of a building H or a disaster prevention monitoring room R and having a control device 30.
A fire alarm 6 provided in the building H and electrically connected to the control device 30; and a fire alarm 6 provided in the housing 2 installed in or near the building and installed in the housing 2. The fire extinguisher 1 is always locked and the fire extinguisher locking device 40 electrically connected to the control device 30 is provided. In the event of a fire, the main sound device 22 on the automatic fire alarm receiver side from the control device 30 is provided. A warning command signal is output to at least one of the alarm buzzer 10 on the fire alarm 6 side and the individual alarm 31 on the fire extinguisher 1 side, and the locking device 40 receives an unlocking command signal from the control device 30. Then, the insertion engagement plate 49 of the lock device 40 is automatically unlocked by the driving force of the driving source 62.

A fire extinguisher lock automatic unlocking device of the present invention is
An automatic fire alarm receiver 20B installed in a doorway of the building H or in the disaster prevention monitoring room R and having a control device 30;
The fire alarm 6 provided on the floor and electrically connected to the control device 30, and the engaging means 82 in which one end of the flexible member 89 is integrally attached to the fire extinguisher 1B installed on the floor surface F.
And a main part having the engaging claw piece 65B is provided in the cover 84 having the insertion hole 87 fixed to the building, and the fire extinguisher 1B is always locked through the engaging means 82, and the control is performed. A fire extinguisher locking device 40B electrically connected to the device 30 is provided, and the control device 3 is provided in case of a fire.
0 to at least one of the main sound device 22 on the automatic fire alarm receiver side, the alarm buzzer 10 on the fire alarm device 6 side, and the individual alarm device 31 on the fire extinguisher 1B side, and the lock is also applied. When the device 40B receives the unlocking command signal from the control device 30, the inserting member of the engaging means 82 integrally attached to the other end of the flexible member 89 by the driving force of the driving source 62B in the cover 84. The plywood 49B is characterized by being automatically unlocked.

In the above case, in any of the embodiments,
It is also possible to immediately unlock the lock device via the automatic fire alarm receiver based on the unlocking signal transmitter attached to the building H or a storage body installed near the building.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention shown in the drawings is installed in a fire extinguisher and a fire alarm installed in a building or in the vicinity of the building (including a sidewalk) and in a disaster prevention monitoring room. This will be explained in relation to the automatic fire alarm receiver.

1 to 10, X is a first embodiment of a lock automatic unlocking device for a fire extinguisher to which the present invention is applied. First, reference numeral 1 in the figure is a fire extinguisher mainly installed in a building H such as an apartment or a condominium. Next, 2 is a box-shaped storage body for a fire extinguisher, and the front surface of the storage body 2 has an opening 3, and a vertical plate 4 is provided above the opening 3.

However, the storage body 2 is generally called "fire extinguisher box" regardless of the size of the opening, and there are wall-embedded type, floor-standing type, wall-mounted type, etc. There are an opening type and a front non-opening type having an opening / closing door, and further, there are a moving type and a non-moving type.

Next, 6 is a fire alarm as a fire alarm means. The fire alarm 6 is installed at a required place such as a wall of a building, a ceiling, or a fire extinguisher box. As the fire alarm 6, there are various types such as a type that operates mechanically and electrically by pressing, a detector type that detects flame fluctuations as infrared fluctuations, and a smoke detection type that detects the amount of smoke flowing into the case. a.

In this embodiment, however, it is installed on the ceiling,
Moreover, the smoke sensor 6 is used as shown in FIG. The structure of the smoke detector 6 will be briefly described. Reference numeral 7 is a case having a plurality of buzzer ventilation holes 8 at appropriate positions. Reference numeral 9 is a printed circuit board provided in the case, and an alarm buzzer 10 and a smoke detection section 11 are electrically connected to the printed circuit board 9. Reference numeral 12 is a smoke introducing portion provided at the center of the case so that the smoke introducing portion 12 is a smoke detecting portion 1.
1 is a part of FIG. Reference numeral 13 is an input / output terminal cord that is guided from the printed board 9 through the guide through hole 14 of the case 7 and is connected to the cable 15 that is wired on the ceiling or the like.

Next, 20 is an automatic fire alarm receiver having a control device. This automatic fire alarm receiver 20 is the building H
It is installed in the entrance and exit or the disaster prevention monitoring room R, and is electrically connected to the fire alarm 6 and the like via the cable 15 described above.
Therefore, the main members or devices of the automatic fire alarm receiver of this embodiment will be described with reference to FIG.

Reference numeral 21 denotes a plurality of district or floor lamps arranged on the surface of the case of the automatic fire alarm receiver 20 in correspondence with the number of the fire alarm device 6. Reference numeral 22 is a main audio device that acoustically notifies a fire. Reference numeral 23 is a notification canceling switch for stopping the ringing of the main audio device 22 in the case of a false alarm. Reference numeral 24 is a fire representative lamp that lights up when the main acoustic device 22 sounds. Reference numeral 25 is a switch caution lamp that lights up even if one of the various switches S is not in the fixed position. Reference numeral 26 is various caution lights such as a disconnection caution light that flashes and lights when the wiring cable 15 of the fire alarm 6 is disconnected, and a fuse disconnection light that flashes and lights when the fuse is disconnected.

Next, the automatic fire alarm receiver 20 will be described with reference to FIG.
The control device 30 will be described. The control device 30 is composed of a microcomputer, and the main members described above are electrically connected to each other.
Is installed near, for example, the wall W or ceiling of the building H, such as an individual alarm (generally used push alarm, sensor, etc.) 31 and a fire extinguisher lock device 40, which will be described later. Connected to each other.

When the control device 30 receives a signal transmitted from at least one fire alarm device 6 via the cable 15, the main acoustic device 22 on the automatic fire alarm receiver side and the fire alarm device 22 receive the signal. It outputs a warning command signal for operating the alarm buzzer 10 on the machine 6 side and the individual alarm device 31 on the fire extinguisher 1 side, and also outputs a lighting command signal for lighting the fire representative lamp 24 and the lamp 21 on the area or floor. Further, it outputs an unlock command signal for unlocking the lock of the lock device 40 that locks the fire extinguisher 1 at all times.

An example of the fire extinguisher lock device 40 will be described with reference to FIGS. 6 to 9. First, reference numeral 41 denotes a long plate-shaped base plate which is horizontally fixed to a substantially central portion of the back wall 2a of the box-shaped storage body 2. The base plate 41 as the base member is formed in an end face U-shape, and the right end portions 42a of the upper and lower opposing walls 42, 42 are formed wider than the left pivot end portion 42b. Opposing wall 4
The central portions of the reference numerals 2, 42 are slightly arcuately cut so as to make line contact with the outer peripheral surface of the fire extinguisher 1. The base plate 41
The vertical wall 43 is provided with a plurality of through holes for fasteners, connection cords, pivot pins, etc., although no particular reference numeral is attached.

Reference numeral 44 is an end face U-shaped connecting plate pivotally attached to the base plate 41 via the first pivot pin 45. Reference numeral 46 denotes a long plate-shaped front opening / closing plate pivotally supported by the connecting plate 44 via the second pivot pin 47 so as to face the base plate 41.
The front opening / closing plate 46 has the same length as the base plate 41, and is formed in a cross section or an end face U shape similarly to the base plate 41, and the central portions of the upper and lower opposing walls 48 facing each other are extinguished. The outer peripheral surface of No. 1 is slightly arcuately cut so as to make line contact.

Reference numeral 49 is a long plate-shaped insertion engagement plate pivotally supported by the front opening / closing plate 46 via a third pivot pin 50 so as to face the connecting plate 44. The plug-in engagement plate 49 is also formed in a cross section or an end face U-shape. Thus, the free end of the insertion engaging plate 49 is formed in a slightly tapered shape, and the vertical wall 51 has an engaging hole 52 as an engaging portion at the end thereof. In this way, with the base plate 41 as the center, the connecting plate 44, the front opening / closing plate 46, and the insertion engaging plate 49 surround the fire extinguisher 1.

Next, 54 is directly in the housing 2 or the base plate 4
A guide member fixed via 1
Reference numeral 4 includes a first guide support plate 55 and a second guide support plate 59. That is, 55 is the opposing wall 42 of the base plate 41.
A first guide support plate fixed to the right end 42a of the first guide support plate 55. The first guide support plate 55 is arbitrarily bent and formed, and is opposed to the vertical wall 43 of the base plate 41 with a required space. A vertically long guide hole 57 and a pivotally supporting hole 58 are appropriately formed in 56.

On the other hand, 59 is the right end portion 42a of the vertical wall 43 of the base plate 41 and the vertical wall portion 56 of the first guide support plate 55.
It is a second support plate having a U-shaped end face fixedly provided in the required space. The second guide support plate 59 is integrally attached to the first guide support plate 55 so that the inner space 60 of the second guide support plate 59 communicates with the guide hole 57 of the first guide support plate 55 when the second guide support plate 59 is laid sideways. Then, the second guide support plate 59 is formed with a locking window 61 as an engaging portion that can face (match) the engaging hole 52 at the free end of the insertion engaging plate 49.

Reference numeral 62 is a solenoid as a drive source fixedly provided in the right end portion 42a of the opposing wall 42 of the base plate 41. This solenoid 62 is the first guide support plate 5
An operating rod 63 is vertically provided between the first guide support plate 59 and the second guide support plate 59 so as to move up and down. And the solenoid 6
2 is electrically connected to the control device 30 of the automatic fire alarm receiver 20 via the cable 15 described above.

Reference numeral 65 is an engaging claw piece as a latch pivotally supported by the base plate 41 and the first guide support plate 55 through a pivot hole. This engaging claw piece 65 has a long hole 67 in a horizontal portion 66 facing the lower facing wall 42 of the base plate 41, and a vertical portion 68 continuous with one end of the horizontal portion 66 has
Locking window 61 of second guide support plate 59 and insertion engagement plate 4
The claw portions 69 that respectively engage with the engagement holes 52 of the nine are bent and formed.

Reference numeral 70 denotes a long hole 6 of the horizontal portion 66 of the engaging claw piece 65.
It is a stopper pin provided at the lower end of the protrusion of the operating rod 63 of the solenoid 62 penetrating the solenoid 7. The stopper pin 70 horizontally penetrates the lower end of the protrusion of the operating rod 63,
The lower surface of the horizontal portion 66 of the engaging claw piece 65 comes into contact with the engaging claw piece 6
It functions as a drive pin for rotating 5.

Numeral 71 is provided on the operating rod 63 of the solenoid 62, and the claw portion 69 of the engaging claw piece 65 is engaged with the engaging window 61 of the second guide support plate 59 and the engaging hole 52 of the insertion engaging plate 49.
Is a spring that constantly urges it to engage with.

In the above structure, a fire will now occur,
It is assumed that the fire alarm 6 senses a fire. Then, the control device 30 receives the signal transmitted from the fire alarm 6 via the cable 15 and, after judging the fire signal, the main acoustic device 22 on the automatic fire alarm receiver side, the fire alarm 6 side. Alarm buzzer 10 and individual alarm 31 on fire extinguisher 1 side
To output a warning command signal for activating each of them, and a lighting command signal for lighting the fire representative lamp 24 and the lamp 21 in the area or floor, and further, to lock the locking device 40 that locks the fire extinguisher 1 at all times. An unlocking command signal for canceling is released. As a result, the main audio device 22, the alarm buzzer 10, and the individual notification device 31 as the notification means ring at their respective locations. Fire representative light 24, district light 21
And so on.

Thus, the solenoid 6 of the lock device 40
When 2 is energized, the operating rod 63 contracts against the spring force of the spring 71. Then, the long hole portion of the horizontal portion 66 of the engaging claw piece 65 is lifted upward through the stopper pin 70, and as a result, the engaging claw piece 65 rotates in the unlocking direction, and the claw portion 69 thereof. Is disengaged from the locking window 61 of the second guide support plate 59 and the engagement hole 52 of the insertion engagement plate 49 (automatic unlocking). Then, when the front open plate 46 is put on a hand and pulled toward the front side, the free end portion of the insertion engagement plate 49 is disengaged from the first guide support plate 55, and the fire extinguisher 1 can be taken out from the container 2.

[0027]

First Embodiment In the first embodiment described in the embodiment of the invention, a drive motor whose drive shaft moves up and down may be used instead of the solenoid 62 as a drive source. Further, in the case where the storage body 2 is a front non-opening type having an opening / closing door,
The front opening / closing plate 46 may be the opening / closing door itself. Therefore, in the case of such an embodiment, the insertion engaging plate 49 is horizontally supported at the center of the open end of the opening / closing door itself. Further, the free end portion of the insertion engaging plate 49 does not necessarily need to have a U-shaped end surface, and may be a simple plate shape.
Further, the engaging claw piece 65 is not provided on the side of the storage body 2, and the drive source 6
The second operating rod 63 is directly inserted into the front opening / closing plate 46 to engage the engaging plate 4
9 may be engaged. In this case, the engaging hole 52 of the insertion engaging plate 49 is formed in a circular shape, and the operating rod 6
It is necessary to make the engaging hole 52 face the protruding tip portion of No. 3.
Therefore, in such an embodiment, the operating rod 63 of the drive source 62 is automatically unlocked directly from the insertion engaging plate 49.

Next, FIGS. 11 to 22 show a lock automatic unlocking device for a fire extinguisher or a lock device for a fire extinguisher according to another embodiment of the present invention. In the description of these embodiments, the same parts as those of the first embodiment of the present invention will be designated by the same reference numerals and overlapping description will be omitted.

First, in the second embodiment of the lock automatic unlocking device X1 for a fire extinguisher shown in FIGS. 11 to 13, the main difference from the first embodiment is that the vertical plate 4A of the box-shaped container 2A is different. The push-type unlocking signal transmitter 75 is attached to and the unlocking signal transmitter 75 and the automatic fire alarm receiver 20A are electrically connected via the cable 15A. In addition,
The push-type unlocking signal transmitter 75 is directly or indirectly provided with an individual notification means 76 such as an alarm buzzer and an alarm bell.

When the transparent cover is strongly pushed toward the push button of the unlock signal transmitter 75, the unlock signal is transmitted from the unlock signal transmitter 75 via the cable 15A to the control device of the automatic fire alarm receiver 20A. Sent to. When the control device receives the unlocking signal from the unlocking signal transmitter 75, at least the locking device 40 that always locks the fire extinguisher 1A.
An unlock command signal for unlocking A is output. In the electric circuit of this embodiment, the unlocking command signal is handled as an unlocking signal and / or a fire signal. Therefore, the individual notifying means 76 provided in the unlocking signal transmitter 75 or the wall of the building The individual alarm 31A installed on the ceiling sounds.

In the second embodiment, when the operation button of the unlock signal transmitter 75 is pressed, the unlock signal for the lock device is immediately transmitted to the control device of the automatic fire alarm receiver 20A, On the other hand, although the notification signal is transmitted from the automatic fire notification receiver 20A side to the individual notification device 31A and / or the individual notification means 76, it is desirable for a person to visually recognize that the locking device 40A has been unlocked. It is desirable to attach the individual notification means 76 to the vertical plate 4A of the storage body 2A so that the user can easily hear.

Next, in the third embodiment of the automatic unlocking device X2 for the fire extinguisher shown in FIGS. 14 to 18, the main difference from the first embodiment is that it is first supported on the floor F of the building. Stand 80
Is placed, and the fire extinguisher 1B is installed in the fitting recess 81 formed in the support base 80.

Next, the main part of the lock device 40B that constantly locks the fire extinguisher 1B is attached to the wall W1 of the building, while the engaging means 82 forming a part of the lock device 40B is attached to the fire extinguisher 1B. That is, they are integrally attached.

The main part of the locking device 40B will now be described. 41B is a plurality of fasteners 83 on the wall W1.
A base plate serving as a base member fixed through the base plate 41B. The base plate 41B has an end surface formed in a U-shape. The base plate 41B is also formed with a plurality of through holes for fasteners, connection cords, pivot pins, etc., but is not specifically described with reference numerals.

Reference numeral 84 denotes a plurality of fasteners 8 on the base plate 41B.
It is a box-shaped cover fixed via 5. A rear surface of the cover 84 is opened, and a window-shaped insertion hole 87 is formed in the lower portion of the front surface 86 in the lateral direction.

Reference numeral 59B is a U-shaped locking plate having an end face fixed to the lower end of the vertical wall 43B of the base plate 41B. The locking plate 59B is tilted sideways so that the internal space 60B of the locking plate 59B communicates with the insertion hole 87 of the cover 84.
It is attached integrally to B. 61B is a locking plate 59B
The locking window 61 </ b> B is formed in the above, and the locking window 61 </ b> B is directed upward. The upper and lower end portions of the locking plate 59B are bent so as to open outward.

Reference numeral 62B is a solenoid fixed to the upper portion of the vertical wall 43B of the base plate 41B. This solenoid 6
2B is vertically installed so that its operating rod 63B moves up and down. The solenoid 62B is electrically connected to the control device of the automatic fire alarm receiver 20B via the cable 15B described above.

Reference numeral 65B is an engaging claw piece as a latch whose one end is pivotally supported by the vertical wall 43B of the base plate 41B via a pivot pin 88. An end surface of the engaging claw piece 65B is bent and formed in an L shape, and the bent free end portion forms a part of the locking window 61B of the locking plate 59B and the engaging means 82. A claw portion 69B that engages with the engagement hole 52B of the insertion engagement plate 49B is formed to project.

The operating rod 63B of the solenoid 62B is
It is connected to an appropriate portion of the engaging claw piece 65B via a stopper pin 70B having a pivotal function. 71B is an urging spring provided on the operating rod 63B.

The engaging means 82 has a flexible member 89, such as a chain, a belt, and a rope, which has one end integrally attached to the fire extinguisher 1B and the other end of the flexible member 89. It is composed of a plug-in engagement plate 49B integrally mounted.

Also in this embodiment, as in the second embodiment, the unlocking signal transmitter for the lock or lock device is attached to the wall W1, the box-shaped cover 84, etc. And the automatic fire alarm receiver 20B may be electrically connected via the cable 15B. Further, similarly to the first embodiment, the engaging claw piece 65B is not provided on the cover 84 side,
The operating rod 63B of the drive source 62B is directly inserted into the engaging plate 49B.
May be automatically unlocked.

In the above structure, the fire extinguisher 1B is usually installed in the fitting recess 81 of the support 80 and the engaging means 8
The second insertion engaging plate 49B is inserted into the internal space 60B of the locking plate 59B of the main locking device 40B and is locked (locked) by the engaging claw pieces 65B as shown in FIG. Therefore, even if the fire extinguisher 1B is removed from the support base 80,
Although the engaging means 82 cannot be carried around freely unless it is disengaged from the main locking device 40B, in the event of a fire emergency,
When the fire alarm 6 automatically detects a fire, or when someone artificially operates the button of the unlock signal transmitter, the lock device 40B is unlocked via the automatic fire alarm receiver 20B. become. Therefore, there are the same actions and effects as the first embodiment.

Next, in the embodiment of the fire extinguisher locking device 40C shown in FIGS. 19 to 22, the main difference from the fire extinguisher locking device 40, which is the main part of the first embodiment, is the front opening / closing plate 46C. Is formed of an elastic or elastic member in a belt shape, one end of which is pivotally supported by the base member 41C via a pivot pin 45C, and the other end of which is integrally provided with a plug engagement plate 49C. That is what is being done.

Also, a long plate-shaped back lid 90 in which the base member 41C is horizontally fixed to the substantially central portion of the back wall 2a of the box-shaped housing 2C, and a long box fixedly attached to this back lid 90. The outer wall surface 92 of the long box 91 facing the outer peripheral surface on the back side of the fire extinguisher 1C is formed in a slightly arc shape, and the one end portion of the front opening / closing plate 46C is pivotally supported. The other end portion 91 having a guide hole 57C into which the insertion engaging plate 49C of the front opening / closing plate 46C is inserted rather than 91a.
That is, b is formed to be large.

In the other end 91b of the long box 91, therefore, the locking plate 59C, the solenoid 62C, and the engaging claw piece 65 are provided.
C, a biasing spring 71C and the like are incorporated. With this configuration, the number of parts to be configured is small, and therefore the assembly is easy. Then, there are the same actions and effects as those of the first embodiment. In addition, also in this embodiment, the locking device 4
The 0 may be attached directly or indirectly to the wall of the building.

[0046]

As is apparent from the above description, in the present invention, the fire extinguisher can be locked by the locking device at all times except during an emergency. On the other hand, in an emergency, an automatic fire is triggered based on the signal from the fire alarm. The lock device can be unlocked via the alarm receiver, and in an emergency, before the fire alarm signal is automatically transmitted, the lock device emergency release signal transmitter can be operated manually. The lock device can be unlocked, and when the lock device is unlocked, an alarm buzzer inside the fire alarm, an individual alarm installed at an appropriate location, an alarm provided inside the emergency release signal transmitter for the lock device The presence or absence of a fire extinguisher can be appealed to the sight or hearing of a person by sounding (including lighting) any one of the means. Therefore, it is possible to systematically prevent or monitor the extinguisher from being taken out from a specific place without permission.

[Brief description of the drawings]

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

FIG. 2 is a schematic explanatory view of the first embodiment of the present invention.

FIG. 3 is a schematic explanatory diagram of the first embodiment (a schematic explanatory diagram focusing on an electric circuit).

FIG. 4 is an explanatory view from the front side of the main part (lock device) of the first embodiment.

FIG. 5 is an explanatory view from the right side of the main part (lock device) of the first embodiment.

FIG. 6 is an explanatory view of the main part (lock device) of the first embodiment from the plane side.

FIG. 7 is an exploded perspective view of the lock device according to the first embodiment.

FIG. 8 is an explanatory view of the lock device according to the first embodiment (particularly shown from the engagement-related plane side).

FIG. 9 is an explanatory view of the lock device according to the first embodiment (particularly, the engagement relationship is shown from the front side).

FIG. 10 is an explanatory diagram showing an example of a fire alarm used in the first embodiment.

FIG. 11 is a schematic explanatory view of a second embodiment (a schematic explanatory view centering on an electric circuit).

FIG. 12 is an explanatory view from the front side of the main part (lock device) of the second embodiment.

FIG. 13 is an explanatory view from the right side of the main part (lock device) of the second embodiment.

FIG. 14 is a schematic explanatory diagram of a third embodiment (a schematic explanatory diagram focusing on an electric circuit).

FIG. 15 is an explanatory diagram from the right side of the main part (lock device) of the third embodiment.

FIG. 16 is an exploded perspective view of a main part (lock device) of the third embodiment.

FIG. 17 is a perspective view (engaged state) of a main part (lock device) of the third embodiment.

FIG. 18 is an explanatory diagram of an operating state of a main part (lock device) of the third embodiment.

FIG. 19 is an explanatory view from the front side showing another example of the main part of the first embodiment.

FIG. 20 is an explanatory view from the plane side showing another example of the main part of the first embodiment.

FIG. 21 is an exploded perspective view showing another example of the main part of the first embodiment.

FIG. 22 is an explanatory view from the front side showing another example of the main part of the first embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fire extinguisher, 2 ... Storage body, 6 ... Fire alarm, 20 ... Automatic fire alarm receiver, 30 ... Control device, 31 ... Individual alarm,
40 ... Lock device, 46 ... Front opening / closing plate, 49 ... Inserting engagement plate, 62 ... Drive source, 65 ... Engaging claw piece. 75 ... An unlock signal transmitter.

Claims (9)

[Claims] 1. An automatic fire alarm receiver 20 installed in a doorway of a building H or in a disaster prevention monitoring room R and having a control device 30.
A fire alarm 6 provided in the building H and electrically connected to the control device 30; and a fire alarm 6 provided in the housing 2 installed in or near the building and installed in the housing 2. The fire extinguisher 1 is always locked and the fire extinguisher locking device 40 electrically connected to the control device 30 is provided. In the event of a fire, the main sound device 22 on the automatic fire alarm receiver side from the control device 30 is provided. A warning command signal is output to at least one of the alarm buzzer 10 on the fire alarm 6 side and the individual alarm 31 on the fire extinguisher 1 side, and the locking device 40 receives an unlocking command signal from the control device 30. And the driving force of the driving source 62 causes the engagement claw piece 65 pivotally supported on the side of the storage body 2 to rotate in the engagement releasing direction, and the insertion engagement plate 49 provided on the front opening / closing plate 46 of the lock device 40. Of the fire extinguisher that is automatically unlocked Click automatic unlocking device. 2. The method according to claim 1, wherein the engaging claw piece 65 does not exist on the storage body 2 side, and the operating rod 63 of the drive source 62 is automatically unlocked from the insertion engaging plate 49. Automatic unlocking device for automatic fire extinguisher lock. 3. The fire extinguisher locking device 40 according to claim 1, wherein the fire extinguisher locking device 40 is fixed to the back wall 2a of the housing 2.
1 and a front opening / closing plate 46 provided so as to face the fire extinguisher 1 via a connecting plate 44 pivotally attached to the base plate 41.
With the insertion engagement plate 49 pivotally attached to the front opening / closing plate and inserted into the guide member 54 fixed to the other end portion 42a of the base plate 41, with the spring 71 constantly biased in the engagement direction. An automatic unlocking device, comprising: an engaging claw piece 65 pivotally supported on the base member 41 side and rotated in a disengaging direction by a driving force of a driving source 62 of a base member side plate. Automatic unlocking device for fire extinguisher. 4. The fire extinguisher locking device 40C according to claim 1, wherein a front opening / closing plate 46C is formed in a belt shape, and one end of the front opening / closing plate 46C is pivotally supported on the base member 41C side and the other end thereof. Is a lock engagement unlocking device for a fire extinguisher that is automatically unlocked, wherein a plug engagement plate 49C is integrally provided. 5. An automatic fire alarm receiver 20A installed in a doorway of a building H or a disaster prevention monitoring room R and having a control device 30.
An unlocking signal transmitter 75 electrically connected to the control device and attached to the housing 2A installed in or near the building H and the fire extinguisher 1A installed in the housing 2A. A fire extinguisher locking device 40A that is always locked and electrically connected to the control device 30 is provided, and in the event of a fire, the main sound device 22 on the automatic fire alarm receiver side from the control device 30 and the key points of the building. The alarm buzzer 10 on the installed fire alarm 6 side, the individual alarm 3 on the fire extinguisher 1A side
1. A notification command signal is output to at least one of the unlocking signal transmitters 75, and the locking device 40A
When the unlock command signal is received from the control device 30, the drive source 6
By the driving force of 2, the engaging claw piece 65 pivotally supported on the side of the storage body 2A rotates in the engagement releasing direction, and the insertion engaging plate 49 of the locking device 40A is automatically unlocked. Locking device. 6. The automatic according to claim 5, wherein the engaging claw piece 65 does not exist on the side of the storage body 2A, and the operating rod of the drive source is automatically unlocked directly from the insertion engaging plate 49. Automatic unlocking device for fire extinguisher to be unlocked. 7. An automatic fire alarm receiver 20B installed in a doorway of a building H or a disaster prevention monitoring room R and having a control device 30.
The fire alarm 6 provided in the building H and electrically connected to the control device 30, and one end of the flexible member 89 are integrally attached to the fire extinguisher 1B installed on the floor surface F. A main part having an engaging means 82 and an engaging claw piece 65B is provided in a cover 84 having an insertion hole 87 fixed to a building, and the fire extinguisher 1B is always locked via the engaging means 82. Along with the fire extinguisher locking device 40B electrically connected to the control device 30, the main sound device 22 on the automatic fire alarm receiver side and the alarm on the fire alarm 6 side from the control device 30 in the event of a fire. When a notification command signal is output to at least one of the buzzer 10 and the individual notification device 31 on the side of the fire extinguisher 1B, and the locking device 40B receives an unlocking command signal from the control device 30, the drive source in the cover 84. 62B driving force As a result, the engagement claw piece 65B rotates in the engagement releasing direction, and the insertion engagement plate 49B of the engagement means 82 integrally attached to the other end of the flexible member 89 is automatically unlocked. Automatic unlocking device for container. 8. The invention according to claim 7, wherein the engaging claw piece 65B does not exist on the cover 84 side, and the operating rod 63B of the drive source 62B is automatically unlocked directly from the insertion engaging plate 49B. Automatic unlocking device for fire extinguisher. 9. The support base 80 according to claim 7, wherein the support base 80 is placed on the floor surface F of the building, and the fitting recesses 8 formed in the support base 80.
A fire extinguisher 1B is mounted on the fire extinguisher 1B, which is automatically unlocked.