JPH1043324A - Switch gear for remotely actuating fire hydrant pump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable not only an operation without malfunction and help the urgent initial-extinguishing activity but also higher workability by arranging a microswitch on a shutoff valve of a fire hydrant connected to a fire hose to activate a remote starter of a fire hydrant pump in contact with a handle wheel for initial valve opening operation. SOLUTION: A switch mechanism B is constituted of a microswitch 5 to activate a remote starter of a fire hydrant pump and a mounting ring 6. In the mounting ring 6, a female thread 6a is carved into the inner circumferential surface thereof while a microswitch 5 is fastened on the outer circumferential surface thereof and the female thread 6a of the mounting ring 6 is screwed down on a male thread 1p carved into the rim part 1n of a service box 1a to mount the switch on a fire hydrant shutoff valve 1. A contact end 5a of the microswitch 5 is arranged on a rib 1t part provided on an outer wheel part 1r of a handle wheel 1j. Thus, the contact end 5a contacts the remote starter to start with the initial rotation of the handle wheel 1j thereby enabling supplying of extinguishing water to the fire hose 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device for remotely starting a fire hydrant pump which communicates with a fire hydrant opening / closing valve.

[0002]

2. Description of the Related Art On a front display panel of a fire hydrant box, a button for activating a fire hydrant pump which is commonly used for operating a fire alarm is arranged.

[0003]

The fire hydrant No. 1 in the indoor fire hydrant equipment is provided with a fire hydrant opening / closing valve of a stop valve type, a fire hose, a hose rack, a pipe shell, and the like in the fire hydrant box. As shown in the above-mentioned prior art, a button for sharing the operation of the fire alarm and the activation of the hydrant pump communicating with the hydrant on / off valve is provided on the front display panel of the front display panel, and therefore, after pressing the button, By turning the handlebar of the fire hydrant on-off valve and opening it, fire-fighting water is supplied to the fire hose so that water can be discharged.There are few people who are proficient in this operation, and the handwheel must be turned. In some cases, the user may forget to press the button, assuming that water can be discharged, which may hinder the initial fire extinguishing activities that require urgency.

[0004] An object of the present invention is to provide a switch device for remotely starting a fire hydrant pump which solves the above-mentioned problems.

[0005]

A switch device for remotely activating a fire hydrant pump which achieves the above object is provided with a fire hydrant pump, which is connected to a fire hydrant pump, and a fire hydrant on / off valve which is connected to a fire hose. And a microswitch that is in contact with the steering wheel by the rotation of the steering wheel to operate a remote activation device of the fire hydrant pump.

[0006]

According to the switch apparatus for remotely starting a fire hydrant pump according to the present invention, the microswitch mounted on the fire hydrant on-off valve comes into contact with the initial rotation of the steering wheel car to activate the remote start apparatus of the fire hydrant pump. Since fire-fighting water is provided to the fire-fighting hose, the water will come out when the valve is opened. Even during work, the switch mechanism can be mounted after the fire hydrant on / off valve is mounted on the fire-extinguishing water supply steel pipe piped at the corner of the fire hydrant box, so workability is also good.

[0007]

1 shows an embodiment of a switch device for remotely starting a fire hydrant pump according to the present invention. FIG.
FIG. 2 is a side view, FIG. 3 is a plan view of a switch mechanism, FIG. 4 is a partial side view of another example, and FIG. 5 is a plan view of another example of the switch mechanism. In the figure, reference symbol A denotes a fire hydrant box. The fire hydrant box A includes a fire hydrant on-off valve 1, a fire hose 2 connected to the fire hydrant on-off valve 1, and the like. The hydrant on-off valve 1 is provided with a button 3 and the like, and the hydrant on-off valve 1 is connected to a hydrant pump by a pipe end of a steel pipe 4 for supplying water for fire extinguishing to a water inlet side 1b of a valve box 1a.
Is disposed in the fire hydrant box A, and the fire hydrant on-off valve 1
Is provided with a base 1d for connecting the fire hose 2 on the discharge port side 1c, and a valve body 1f provided in the valve box 1a so as to be in contact with or separated from the valve seat 1e, and a valve stem fixed to the valve body 1f. A handle wheel 1j is screwed and fixed to the protruding end of 1g with a cap nut 1h,
A switch mechanism B is disposed on the edge 1n of the valve box 1a on the valve lid 1m side.

The switch mechanism B comprises a microswitch 5 for operating a remote activating device of the fire hydrant pump and a mounting wheel 6. The mounting wheel 6 has a female screw 6a engraved on an inner peripheral surface thereof and a microswitch on an outer peripheral surface thereof. 5 is fastened to the male screw 1p engraved on the edge 1n of the valve box 1a.
The female screw 6a is screwed and attached to the fire hydrant on-off valve 1, and the contact end 5a of the microswitch 5 is arranged at a rib 1t provided on the outer wheel portion 1r of the steering wheel 1j. In the figure, reference numeral 7 denotes a fitting fitted to the end of the fire hose 2 for connecting the fire hose 2 by fitting it into the base 1d of the fire hydrant on-off valve 1. The end 5a only needs to be arranged at a position where it comes into contact with the handle wheel 1j at the time of initial rotation, and the mounting portion of the microswitch 5 is not limited to the edge portion 1n of the valve box 1a.

FIG. 4 and FIG. 5 show another example of a switch mechanism B '. In a cut-out mounting band indicated by reference numeral 8, a fastening screw 8a is provided in the cut-out portion, and a micro switch 5' is provided. And the fixing band 8 is fastened and fixed to the edge 1n of the valve box 1a with the screw 8a.
And the contact end 5'a of the microswitch 5 'is disposed in the through hole 1v or the arm piece 1w provided in the outer wheel portion 1r of the steering wheel 1j.

The switch device for activating the fire hydrant pump according to the present invention has the above-described structure. In the switch mechanism B, the handle wheel 1j of the fire hydrant opening / closing valve 1 is provided.
The fixing wheel nut 1h is loosened, the handle wheel 1j is removed, and the mounting wheel 6 is screwed to the edge 1n of the valve box 1a. In addition, the mounting band 8 without removing the steering wheel 1j
Of the valve box 1a and then fastened to the edge 1n of the valve box 1a by tightening with screws 8a to rotate the handle wheel 1j of the fire hydrant on-off valve 1 in the event of a fire. In operation, the contact end 5a of the microswitch 5 is brought into contact with the rib 1t or the through hole 1v and the arm piece 1w of the handwheel 1j to activate the remote activation device of the fire hydrant pump which communicates with the fire hydrant opening / closing valve 1. Then, the fire-fighting water is supplied to the fire-fighting hose 2 so that the water can be discharged.

According to the above, the micro switch is mounted on the fire hydrant opening / closing valve, and the contact end comes into contact with the initial rotation of the steering wheel car to operate the remote activation device of the fire hydrant pump, so that fire water is supplied to the fire hose. Since water is supplied by opening the valve because it is supplied, it can be operated without error not only for trained personnel but also for initial fire fighting activities that require urgency,
Even in the mounting work of the switch device, the switch mechanism can be mounted after mounting the fire hydrant on / off valve to the fire-extinguishing water supply steel pipe piped at the corner of the fire hydrant box, so that the workability is good.

[Brief description of the drawings]

FIG. 1 is a schematic overall view.

FIG. 2 is a side view.

FIG. 3 is a plan view of a switch mechanism.

FIG. 4 is a partial side view of another example.

FIG. 5 is a plan view of another example of a switch mechanism.

[Explanation of symbols]

 Reference Signs List A Fire hydrant box B Switch mechanism B 'Switch mechanism 1 Fire hydrant on-off valve 1a Valve box 1h Cap nut 1j Handle wheel 1n Edge 1p Male screw 2 Fire hose 4 Fire extinguishing water supply steel pipe 5 Micro switch 5a Contact end 6 Mounting wheel 6a Female screw 8 Mounting band

Claims (1)

[Claims] 1. A hydrant pump connected to a fire hydrant pump and connected to a fire hydrant pump by connecting a fire hose to the handle vehicle by turning the handle wheel in an initial opening operation of the fire hydrant on / off valve. A switch device for remotely activating a fire hydrant pump, comprising a microswitch for activating the remote activation device.