JPS6220222Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an automatic starting device for a fire extinguisher.

As is well known, fires often occur when the source of a fire is near the kitchen of a restaurant, either at night when the restaurant is unoccupied after business hours, or when the cook inadvertently leaves his/her post for a while or is not paying attention. Fires can be caused by spills, or in ordinary homes, due to mishandling of the source of the fire, or the same carelessness as mentioned above, and once a fire occurs, it can cause irreparable damage. It is something. Therefore, even if fire extinguishers are permanently installed in cooking areas and kitchens to deal with emergencies, it takes time to notice the occurrence of a fire and manually extinguish the fire, and the slight delay in time can be fatal. This is a place where we have seen and heard cases where the situation has become irreversible, or where the main goal has not been achieved at all. For this reason, it is difficult to equip many restaurants, households, etc. with expensive and large fire extinguishing equipment.

The present invention was devised in view of the above-mentioned points, and is designed to install fire extinguishers that can be automatically linked with fire detectors in required areas where there is a risk of unexpected situations such as a fire outbreak. The aim is to provide an automatic starting device to ensure the effectiveness of initial fire extinguishing in the event of a fire.

An embodiment of the present invention will be described with reference to the accompanying drawings. Reference numeral 1 is a fire extinguisher filled with a fire extinguisher, and a lever 2 for opening the valve is pivotally mounted on the head of the fire extinguisher. 3 is a mounting leg that protrudes and is fixed to the side wall of the fire extinguisher 1, 4 is a mounting leg 3
It is a vertically elongated mounting board that is fixedly supported on the board, and its lower end is bent to the right to form a spring hanging protrusion 5. 6 is the left side plate portion 7 bent toward the front.
It is a base frame body consisting of a front plate part 8 and a right side plate part 9 bent mainly toward the rear, and the left side plate part 7 is vertically fixed to the mounting board 4. 10
11 is a solenoid vertically fixed to the right side plate 9, and a movable solenoid having a return coil spring 12 wound around its upper end. The rod 13 is inserted and supported. Reference numeral 14 denotes a vertically elongated movable plate that moves up and down along the front plate portion 8, and includes a protrusion 7a cut and protruding from the upper and lower ends of the left side plate portion 7 and a protrusion protruding from the right side plate portion 9 side. 9a to guide the movable plate 14 up and down.
Reference numeral 15 denotes a connector pivotally mounted on the upper end of the movable plate 14, and is connected and engaged with the free end of the tap-opening lever 2. Reference numeral 16 denotes a stopper projection protruding rearward from the upper end of the movable plate 14, and the stopper is regulated by a concave notch edge 8a formed at the upper end of the front plate portion 8. Reference numeral 17 denotes a spring hanging protrusion formed with a notch at the lower end of the movable plate 14, and 18 denotes a large diameter coil spring whose upper end is hung on the protrusion 17 to apply a strong downward tensile force to the movable plate 14. Its lower end is supported by a hook 19 inserted through the spring-hanging protrusion 5, and its spring force can be adjusted using a wing nut 20. Reference numeral 21 denotes a horizontal rocking plate whose substantially central lower portion is pivotally mounted on the movable plate 14 with a pin 22. A small-diameter coil spring 23 is suspended and supported between the protruding pin 14a (or a cut-and-raised protrusion), thereby biasing and supporting the rocking plate 21 in the counterclockwise direction. 24 is the rocking plate 2
It is a protruding piece bent rearward on the upper right side of the solenoid 1, and is capable of freely abutting and engaging with the lower surface of the movable rod 13 inserted and supported by the solenoid 11. Reference numeral 25 denotes a vertical swinging plate whose lower end is pivoted to the movable plate 14 with a pin 26, and a pin 25a protrudes from the swinging plate 25.
A small-diameter coil spring 27 is suspended and supported between the movable plate 14 (or the cut-and-raised protrusion) and the pin 14b (or the cut-and-raised protrusion) protruding from the movable plate 14, and the oscillating plate 25 is thereby It is biased and supported in the direction. 29
is an engaging portion formed with a notch in the right end of the rocking plate 25, and is capable of being biased into engagement with the engaged protrusion 10. Reference numeral 29 is a protruding piece bent forward on the left lower surface of the horizontal rocking plate 21, and can be biased and engaged with the upper end corner 25b of the vertical rocking plate 25. 30 is a movable plate 14 supported on the base frame 6, swing plates 21, 25, coil springs 18, 23,
27 grade safety cover.

First, install a heat, smoke, etc. fire detector (not shown) on the ceiling of the place where the fire is likely to occur, and then install the first and second fire detectors in a place that does not cause any obstruction in the vicinity.
Fire extinguisher 1 with automatic start device turned on as shown in the figure
After installing a box with a built-in injection hole that opens toward the fire source, electrically connect the fire detector and the solenoid valve 11 of the proposed device to complete preparations as a fire extinguishing facility. .

Therefore, when the fire detector detects the occurrence of a fire,
Immediately input to the solenoid 11 and its movable rod 13
Instantly descends. Then, the movable rod 13
The lower surface of the oscillating plate 21 presses down the protruding piece 24 of the oscillating plate 21 to rotate the oscillating plate 21 clockwise against the biasing force of the small diameter coil spring 23. This rotational movement causes the protruding piece 29 and the upper end corner 25b of the swing plate 25 to
At the same time, the tensile force of the large-diameter coil spring 18 overcomes the clockwise biasing force of the small-diameter coil spring 27 of the rocking plate 25, whereby the engaged protrusion 10 and rocking plate 25
The engagement state with the engagement portion 28 is also instantly released. In conjunction with this disengagement, a strong tensile force by the large-diameter coil spring 18 acts on the entire movable plate 14, causing the movable plate 14 to rapidly move downward. At the same time, the free end of the plug-opening lever 2 is pushed down with a strong tensile force via the connector 15 at the upper end of the movable plate 14 to break through the plug of the fire extinguisher 1. As a result, the extinguishing agent is ejected from the injection nozzle of the fire extinguisher 1 toward the source of the fire, and initial fire extinguishment is instantaneously performed.

In addition, in the above embodiment, the mounting board 4 and the base frame body 6
Although these are constructed as separate bodies, the base frame body 6 may be constructed in which both are integrally constructed. In addition, the movable plate 14
It is also possible to drill a long hole in either one of the front plate portion 8 and to guide the movable plate 14 up and down by inserting a guide pin into the long hole. Further, although the lower end of the movable rod 13 and the protruding piece 24 of the swing plate 21 are simply brought into abutting engagement, the lower end of the movable rod 13 and the right side of the swing plate 21 are connected and supported in a loosely fitted state. It is also possible to do this.

Since the present invention is configured as described above, the entire device powerfully and reliably starts to automatically extinguish the fire as soon as a fire occurs, and instantly achieves initial extinguishment at the source of the fire. In particular, the base frame can be smoothly and quickly disengaged from the engaged portion by the operation of the solenoid, and the tensile force of the large diameter coil spring acts strongly on the movable plate to close the fire extinguisher. Because it operates to instantly break through the body, there is no chance of malfunctions or malfunctions during initial fire extinguishing, which is a time-sensitive process, and it is highly reliable. In addition, a strong large-diameter coil spring is used, and the solenoid that senses the fire detector can simply release the engagement between the horizontal rocking plate and the vertical rocking plate. Since the entire movable plate operates immediately after the engagement with the part is released, the input source for the solenoid can even be a small battery, and the solenoid itself can have a small output and be small, which significantly reduces the overall cost of the device. It is possible to reduce costs. Moreover, since each component of the proposed device is press-molded from a metal plate of the required thickness, it is suitable for mass production, can be easily assembled, and can be provided to the market at a low price, among other practical effects. bring about.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram of the entire device, Fig. 2 is a front view of the main parts showing the state in which the starting device is set, Fig. 3 is a front view of the main parts showing the state after starting, and Fig. 4 is a front view of the main parts showing the state after starting. It is a front view. Code list, 1... Fire extinguisher, 2... Opening lever, 3
...Mounting leg, 4...Mounting board, 5...Protrusion piece, 6...
... Base frame body, 7 ... Left side plate part, 8 ... Front plate part,
9... Right side plate portion, 10... Projection piece, 11... Solenoid, 12... Coil spring, 13... Movable rod, 14... Movable plate, 15... Connector, 16...
... protrusion, 17 ... protrusion, 18 ... coil spring, 19 ... hook, 20 ... butterfly nut, 21 ...
... Rocking plate, 22... Pin, 23... Coil spring, 24... Protruding piece, 25... Rocking plate, 26...
Pin, 27...Coil spring, 28...Engaging portion, 29...Protrusion piece, 30...Cover.

Claims (1)

[Scope of utility model registration request] A base frame body 6 is vertically fixed to the side wall of the fire extinguisher 1, and a movable plate 14 that moves up and down while being guided and regulated by the base frame body 6 is provided. A large diameter coil spring 18 is suspended and supported between the spring hanging protrusion 5 provided at the lower end of the base frame 6, and connected to the opening lever 2 of the fire extinguisher 1 on the upper part of the movable plate 14. A solenoid 11 is provided with a tool 15 and has a movable rod 13 inserted through the upper right side of the base frame body 6.
is vertically fixed, and an engaged protrusion 10 is formed upright on the right side of the base frame body 6, and a vertical swinging plate 25 is pivoted at a lower position of the movable plate 14, and the swinging plate 25
A small-diameter coil spring 27 is suspended and supported between the movable plate 14 and the movable plate 14 , and a horizontal swing plate 21 is pivotally mounted on the movable plate 14 above the swing plate 25 . A small-diameter coil spring 23 is suspended and supported between the movable plate 14 and the movable plate 14.
counterclockwise and the rocking plate 25 clockwise. An automatic starting device for a fire extinguisher, characterized in that an upper end portion of the engaging portion 28 of the swing plate 25 and the engaged protrusion 10 of the base frame 6 are respectively engaged in a detachable manner.