JP2884540B2 - Indoor fire hydrant box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor fire hydrant box in which a water outlet and a hose are housed, and more particularly, to a mounting structure of a position indicator light provided therein.

[0002]

2. Description of the Related Art The structure and display of indoor fire hydrant boxes are obliged to follow the standards of the Fire Service Law. FIG. 4 is a cross-sectional view of a conventional indoor fire hydrant box. Generally, an indoor fire hydrant is provided at a position within 5 m from an entrance or a staircase entrance. The indoor fire hydrant box 1 is basically required to be made of an iron plate having a thickness of 1.6 mm or more, and the surface of the fire hydrant box is displayed as "fire hydrant" with a size of 20 cm ² or more per character. It is prescribed. By the way, in order to make the existence of the indoor fire hydrant box 1 easier to understand, the upper surface of the indoor fire hydrant box 1 should be easily identified even at a distance of 10 m along a direction having an angle of 15 degrees or more with the mounting surface. A red indicator light 3 must be provided. This indicator light 3 has an inscribed diameter of 6 cm or more so that the front projected area is 28 cm ² or more,
In addition, it is specified that the protruding length L to the front surface is 3 cm or more. Therefore, for example, when the indoor fire hydrant box 1 is buried so that the surface is substantially flush with the wall surface 5, only the indicator lamp 3 protrudes from the wall surface 5. By attaching the indicator light 3 with such a structure, it is easy to visually check the indoor fire hydrant box in the event of a fire.

[0003]

However, if the indicator light 3 is provided so as to always be protruded from the wall surface 5 in order to easily confirm the existence of the indoor fire hydrant box 1, the design of the wall surface 5 is impaired. In particular, the design of the wall surface such as a corridor or a hall is remarkably deteriorated, and dirt adheres to the surface of the indicator light 3 or the indicator light 3 is damaged. The present invention has been made in view of the above circumstances.In the event of a fire, the present invention provides a patrol lamp-like indicator light that can easily confirm the presence of an indoor fire hydrant box from various angles as in the past, and Provide an indoor fire hydrant box where the indicator light does not protrude from the wall except at times,
Accordingly, it is an object of the present invention to ensure the ease of confirmation, improve the design, and eliminate dirt and damage of the indicator lamp at the same time.

[0004]

To achieve the above object, an indoor fire hydrant box according to the present invention is constituted by an indoor fire hydrant box provided with an indicator light storage section comprising a housing having an indicator light provided therein. there are, the indicator housing portion with an opening at least a portion of its housing front is formed openably passing
Always indicator that is housed inside the housing, the fire
It is characterized in that sometimes projecting out of the housing through the opening. More specifically, an opening through which the indicator light protrudes is formed on the front surface of the housing forming the indicator light storage portion, and a tubular support member is attached inside the housing and opposed to the opening. And a rod-shaped support member having one end fixed to the indicator light is movably inserted into the tubular support member, and biases the indicator light in the tubular support member in the opening direction. A spring is provided, and the indicator light is held inside the housing by engaging means against the urging force of the spring, and is actuated by the urging force of the spring by releasing the engaging means. The indicator light is projected outside the case through the opening.

[0005]

When the engaging means is released in the event of a fire, the indicator light is moved in the direction of the opening along the supporting member by the urging force of the spring, and projects from the opening to the outside of the housing. As a result, the indicator light that was normally housed inside the housing protrudes outside the housing, and the position of the indoor fire hydrant box can be confirmed in a wide range of front and left and right, according to the Fire Service Law. The technical standards will be satisfied. On the other hand, when the fire state is released, the indicator lamp is held in a state housed in the housing,
The indicator light does not protrude outside the housing.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an indoor fire hydrant box according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a cross-sectional view of the upper part of the indoor fire hydrant box of the present invention, and FIG. 2 is a front view of the upper part of the indoor fire hydrant box. An opening 13 is formed on the front surface of a housing (hereinafter referred to as the housing 11) that forms the indicator lamp housing 11, and the opening 13 is opened and closed by a pair of blind covers 15 that are moved into the housing 11. I have. A support tube 17 serving as a support member protrudes inside the housing 11 behind the opening 13, and the support tube 17 is fitted with a support rod 19 serving as a support member.
A spring 21 is provided inside the support pipe 17, and the spring 21 presses the support rod 19. An indicator light 23 is fixed to the tip of the support rod 19, and the indicator light 23 moves with the movement of the support rod 19. That is, when the support rod 19 is pushed out of the support tube 17 by the biasing force of the spring 21, the indicator light 23 projects from the opening 13 to the outside of the housing 11. Note that, at this time, the blind cover 15 is a mechanism that is opened in advance in conjunction with the protruding operation of the support rod 19 by, for example, an interlocking mechanism including a pulley and a connection wire (not shown).

A hook bar 25 protrudes from a rear portion of the indicator light 23, and the tip of the hook bar 25 is an engaging portion 2 serving as an engaging means.
5a. A solenoid 27 is provided inside the housing 11 behind the indicator light 23, and the solenoid 27 moves the engaging element 27a, which is an engaging means, toward and away from the engaging portion 25a of the hook bar 25 by a control signal. ing.
In other words, the engaging member 27a and the engaging portion 25a are in an engaged state in a normal state, and the engaging member 27a is moved by the operation of the solenoid 27 in a fire, and the engagement with the engaging portion 25a is released. I have. One end of a wire 29 is fixed to the tip of the hook bar 25, and the other end of the wire 29 is fixed to a drive shaft of a return motor 31. Return motor 31
Is normally rotatable so that the wire 29 can be sent freely when the indicator lamp 23 projects. On the other hand, upon receiving the return signal, the return motor 31 winds the wire 29 to draw the indicator light 23 into the housing 11.

A control unit 33 is provided inside the housing 11,
The control unit 33 controls the solenoid 2 according to an external control signal.
7. A drive signal is sent to the return motor 31. Case 11, support pipe 17, support rod 19, spring 21, indicator light 23, solenoid 27, return motor 3
1 as a main member, the indoor fire hydrant box 35 according to the present embodiment.
Is configured.

FIG. 3 is a system configuration diagram for operating an indoor fire hydrant box. A receiver 39 is connected to the fire detector 37 by wiring. The receiver 39 sends a fire alarm signal to the control unit 33 of the indoor fire hydrant box 35 based on the fire detection signal from the fire detector 37. Further, a transmitter 41 is wired to the receiver 39, and the receiver 39 sends out a fire alarm signal to the control unit 33 of the indoor fire hydrant box 35 also by an input signal from the transmitter 41. Further, an indoor fire hydrant control panel 43 is connected to the receiver 39, and the receiver 39 sends a fire alarm signal to the control unit 33 also by a fire pump activation signal received from the indoor fire hydrant control panel 43.

In the indoor fire hydrant box 35 incorporated in such an operation system, when a fire alarm signal is received by the control unit 33, the solenoid 27 is driven to move the engagement element 27a away from the hook bar 25. Then, the engagement between the engagement element 27a and the engagement portion 25a is released, the support rod 19 is moved by the biasing force of the spring 21, and the indicator light 23 is moved to the support rod 1
With the movement of 9, it protrudes from the opening 13 to the outside of the housing 11. Note that, at this time, as described above, the blind cover 15 is previously opened by the interlocking mechanism in accordance with the projection of the indicator light 23. As a result, the indicator light 23, which is normally covered on the back side of the blind cover 15, projects outside the housing 11 at a position that satisfies the technical standards of the Fire Service Law. On the other hand, when the fire condition is released, the return motor 31 is driven by the return signal sent from the receiver 39 to wind up the wire 29 and the indicator light 23 is drawn into the housing 11. When the indicator light 23 is retracted, the engaging portion 25a of the hook bar 25 is again engaged with the engaging element 27a of the solenoid 27, and the indicator light 23 is held in a state housed in the housing 11.

Incidentally, even if the indicator light 23 is manually pushed in by the urging force of the spring 21, the engaging portion 25a and the engaging element 27a are engaged, and the indicator light 23 is held in a state housed in the housing 11. The indoor fire hydrant box 35 is provided with the blind cover 15.
, The indicator lamp 23 may simply be accommodated in the opening 13. According to this example, as described above, it is possible to prevent the indicator light 23 from protruding other than during a fire, and to omit the interlocking mechanism for opening and closing the blind cover 15, thereby reducing the manufacturing cost. Further, in the above embodiment,
Although the blind cover 15 is opened and closed inward, the blind cover 15 may be opened and closed by a slide method. According to this example, between the opening 13 and the indicator light 23,
There is no need to secure a space for opening and closing the blind cover 15.

[0012]

As described above in detail, according to the indoor fire hydrant box of the present invention, the indicator lamp is movably housed in the housing through the engaging means, so that the fire hydrant can be removed from the housing when a fire occurs. The indicator light protruding outside makes it easy to confirm the presence of an indoor fire hydrant box, and the indicator light is housed inside the housing except during a fire, improving design and eliminating dirt and damage to the indicator light. Can be achieved at the same time.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of the upper part of an indoor fire hydrant box of the present invention.

FIG. 2 is a front view of the upper part of the indoor fire hydrant box.

FIG. 3 is a system configuration diagram for operating an indoor fire hydrant box.

FIG. 4 is a cross-sectional view of a conventional indoor fire hydrant box.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Indicator light storage part (housing) 13 Opening 17 Support pipe (support member) 19 Support rod (support member) 21 Spring 23 Indicator light 25a Engagement part (engagement means) 27a Engagement element (engagement means) 35 Indoor fire hydrant box

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A62C 35/20

Claims (2)

(57) [Claims] 1. An indoor fire hydrant box provided with an indicator light storage part comprising a housing having an indicator light provided therein, wherein the indicator light storage part is opened at least partially on the front surface of the housing.
An indoor fire hydrant box, characterized in that the mouth is formed to be openable and closable, and an indicator light housed inside the housing at normal times is projected outside the housing through the opening when a fire occurs . 2. An opening through which the indicator light protrudes is formed on the front surface of a housing forming an indicator light housing, and a tubular support member is attached inside the housing and in a state facing the opening, A rod-shaped support member having one end fixed to the indicator light is movably inserted into the tubular support member, and a spring for biasing the indicator light in the opening direction is provided in the tubular support member. The indicator light is held inside the housing by an engagement means against the urging force of the spring, and the indicator light is produced by the urging force of the spring due to the release of the engaging means. 2. The indoor fire hydrant box according to claim 1, wherein the projecting portion is projected outside of the housing through the opening.