JP2001276257A - Water spraying head for fire extinguishing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water spraying head for fire extinguishing which head has a deflector which can control the sprinkling pattern easily at the site where it is provided. SOLUTION: This water spraying head has a water sprinkling nozzle which sprinkles water to extinguish fire, a deflector having a deflecting surface to deflecting the water to extinguish fire from the water sprinkling nozzle, a supporting pole part to support the deflector, a long hole on the supporting pole part, and fixing bolts which go through the long hole and are screwed to the outside of the water sprinkling nozzle. The supporting pole part can be fixed by screwing the fixing bolts through the long hole to the outside of the water sprinkling nozzle. The supporting pole part can be moved in the axis direction of the water sprinkling nozzle by loosening the fixing bolts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing water spray head having a deflector.

[0002]

2. Description of the Related Art In a water spray head for fire extinguishing used in a fire extinguishing equipment such as a tunnel, a deflector is provided at a water spouting port of the head, and a desired water spray pattern is set in accordance with an installation location by utilizing a reflection function of the deflector. Has been conventionally performed.

[0003]

However, as described above, even if a deflector is provided at the water spout of the head and a desired water sprinkling pattern is obtained by utilizing the reflection action of the deflector, it is difficult to obtain a water sprinkling pattern at an actual installation site. May be subject to extraordinary installation conditions, such as fire extinguisher accessory equipment (fans, lighting, cable racks, etc.)
Depending on the exceptional installation conditions, watering may be impeded and a desired watering pattern may not be obtained.

[0004] The watering pattern of the conventional water spray head having a deflector is fixed to the head having the deflector, and as described above, the exceptional installation conditions at the actual installation site are added. Even if a desired watering pattern cannot be obtained, it is not possible to correct and adjust the watering pattern while using the same deflector.

In view of the above circumstances, an object of the present invention is to provide a fire extinguishing water spray head provided with a deflector that can easily adjust a watering pattern at an installation site.

[0006]

According to the present invention which achieves the above object, it comprises a water spout for sprinkling fire extinguishing water and a deflector having a reflecting surface for reflecting fire extinguishing water sprinkled from the sprinkling water. In the water spray head for fire extinguishing provided, a column supporting the deflector, a long hole formed in the column, and a screw inserted into the long hole and screwed to an outer portion of the water spout. A fixing bolt, which can be fixed by inserting the bolt into the long hole and screwing it to the outer side of the water spout, and further loosening the fixing bolt. A water spray head for fire extinguishing, characterized in that the support portion can be moved in a direction along the axis of the water spout.

According to this, the distance between the water spout and the reflecting surface of the deflector can be changed by loosening the fixing bolt and moving the column in the direction along the axis of the water spout. The watering pattern can be easily adjusted on site.

A fire extinguishing water spray head having a water spout for sprinkling fire extinguishing water and a deflector having a reflecting surface for reflecting the fire extinguishing water sprinkled from the water spout, supports the deflector, A pillar portion having a threaded portion in the portion,
A support abutment portion formed at an outer portion of the water spout and to which the support abuts; a position adjusting nut having an engagement portion to be screwed to a screw portion of the support portion on an inner periphery; And a cap nut having an inner threaded portion for screwing with a threaded portion on the outer periphery of the sprinkler, wherein the column is positioned at the column contact portion of the water spout, and the outer side of the water spout and the column. The nut for position adjustment is rotatably attached while screwing the threaded portion of the column portion and the threaded portion of the nut for position adjustment, and the column portion is attached to the column contact portion and the position. While holding the nut for adjustment, holding the nut for position adjustment in a bag provided on the inner circumference of the nut for positioning, and holding the nut for adjustment on the outside of the nut for position adjustment, The screw part of the cap nut is screwed and attached,
A fire-extinguishing water spray head, characterized in that the column is movable in a direction along the axis of the water spout by rotating the position adjusting nut.

According to this, the distance between the water spout and the reflecting surface of the deflector can be changed by rotating the position adjusting nut to move the column in the direction along the axis of the water spout. It is possible to easily adjust the watering pattern on site.

[0010] In a water spray head for fire extinguishing provided with a water spout for sprinkling fire extinguishing water and a deflector having a reflecting surface for reflecting the fire extinguishing water sprinkled from the water sprinkling port, a column supporting the deflector A water spray head for fire extinguishing, characterized in that the elevation angle of the reflecting surface of the deflector with respect to the above is variable.

According to this, the watering pattern can be easily adjusted on site by changing the elevation angle of the reflecting surface of the deflector with respect to the column supporting the deflector.

Further, in a water spray head for fire extinguishing provided with a water spout for sprinkling fire extinguishing water and a deflector having a reflecting surface for reflecting the fire extinguishing water sprinkled from the water sprinkling port, the deflector has a W-shaped cross section. Shall have a reflective surface,
A water spray head for fire extinguishing, wherein the inclination angles of end reflection surfaces at both ends of the reflection surface of the deflector are variable.

According to this, the watering pattern can be easily adjusted on site by changing the inclination angles of the end reflecting surfaces at both ends of the reflecting surface having a W-shaped cross section.

[0014]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a main part of a water spray head according to a first embodiment of the present invention, and FIG. 2 is a sectional view of a main part of a water spray head according to a second embodiment of the present invention. FIG. 3 is a sectional view taken along line AA of FIG. 2, FIG. 4 is a perspective view of a deflector provided in a water spray head according to a third embodiment of the present invention, and FIG. It is a perspective view of the deflector part with which the water spray head in embodiment is provided.

First, a first embodiment of the present invention will be described with reference to FIG. In FIG. 1, reference numeral 1 denotes a water spray head, which is provided at its tip with a water spout 2 for sprinkling fire extinguishing water. A vertical plane portion 3 is formed on the outer side of the water spout 2. The deflector 4 is provided so that the reflection surface 5 faces directly above the water spout 2, and the support portion 6 supporting the reflection surface 5 is provided with a linear long hole 7 in the height direction thereof. The fixing bolt 8 is inserted through the long hole 7 to
The deflector 4 is attached to and fixed to the water spout 2 by being screwed into the vertical plane portion 3 of the water heater. The deflector 4 is attached to the vertical plane portion 3 so that the long hole 7 is oriented in the direction along the axis of the water spout 2, that is, in the same direction as the direction of the arrow A <b> 1, and by loosening the fixing bolt 8, The elongated hole 7 allows the support portion 6 to be moved in the direction along the axis of the water spout 2, that is, in the direction of the arrow A <b> 1.

Therefore, the distance between the water spout 2 and the reflecting surface 5 of the deflector 4 can be changed by moving the column 6 in the direction of arrow A1, and the water sprinkling pattern can be easily adjusted at the installation site. it can.

Next, a second embodiment of the present invention will be described with reference to FIGS. 2 and 3, reference numeral 10 denotes a water spray head according to the second embodiment, 11 denotes its body, 12 denotes its water spout, and 13 denotes its deflector. The deflector 13 has a support portion 14, and the support portion 14 has a screw portion 15 on an outer side thereof. A first outer portion 121 and a second outer portion 123 having a larger diameter than the first outer portion 121 are provided below the first outer portion 121 via a horizontal seating surface 122 outside the water outlet 12. Is formed. Water spout 12, first outer portion 121, and second outer portion 1
23 has a portion that forms a concentric cylindrical surface. The first outer portion 121 of the water spout 12 is formed with a vertical flat column contact portion 16 that comes into contact with the column portion 14. 17
Is a position adjusting nut which is screwed with the screwing portion 15 of the support portion 14 and has a screwing portion 18 on the inner periphery thereof for accommodating the cylindrical surface of the first outer portion 121. Mizuguchi 12
Is a cap nut having a screwing portion 21 on the inner periphery thereof for screwing with the screwing portion 20 formed on the second outer portion 123.

The support 14 of the deflector 13 is positioned at the support abutment 16 of the water spout 12. In this state, the support 14 is placed on the horizontal seating surface 122 from outside the water spout 12 and the support 14. The position adjustment nut 17 is
4 and the screwing portion 18 of the position adjusting nut 17 are screwed with each other, and are rotatably mounted in the circumferential direction of the water spouting port 12. The strut portion 14 is sandwiched between the strut contact portion 16 and the position adjusting nut 17 so that the circumferential movement of the water spout 12 is restricted. Further, outside the position adjusting nut 17, a cap nut 19 stores and holds the position adjusting nut 17 in a bag portion 22 provided on the inner periphery thereof.
The water spout 12 is attached to the water spout 12 by screwing a screw part 21 of the cap nut 19 to a screw part 20 of the water spout 12.
The position adjusting nut 17 housed and held in the bag portion 22 of the cap nut 19 is rotatable in the circumferential direction of the water spout 12, but also along the axis of the water spout 12, that is, the arrow. The movement in the A10 direction is restricted. Specifically, on the inclined step portion 24 of the concave portion 23 provided over the entire outer periphery of the position adjusting nut 17, a bag portion 22 is provided at the upper inner periphery of the cap nut 19 and formed therein. Collar 2
The cap nut 19 holds and holds the position adjusting nut 17 in the cap 22 as described above by the contact of the inclined step portion 26 from above.

Further, the water spray head 10 is rotated by rotating the position adjusting nut 17 so that the column 1 is supported.
Numeral 4 is provided so as to be movable in the direction along the axis of the sprinkler port 12, that is, in the A10 direction. That is, the position adjusting nut 17
When the is rotated, the rotation is transmitted to the column 14 via the threaded portions 18 and 15, but since the column 14 is restricted from moving in the circumferential direction of the water spout 12, When the position adjusting nut 17 is rotated, the column 14 is moved to the arrow A1.
It moves in the 0 direction.

Therefore, the column 14 of the deflector 13 is moved by the arrow A1 only by rotating the nut 17 for position adjustment.
By moving in the 0 direction, the distance between the reflecting surface 27 of the deflector and the water spout 12 can be changed, so that the watering pattern at the installation site can be easily adjusted.

The configuration of the second embodiment is not limited to the above. For example, there may be two or more columns, and the column mounting portion may be a groove in which the column is fitted.
The position adjusting nut may be formed with a spanner hook at an exposed portion of the adjusting nut from the cap nut so that the position adjusting nut can rotate with the cap nut loosened.

Next, a water spray head according to a third embodiment of the present invention will be described with reference to FIG. FIG. 4 shows only a main part of the deflector portion, and other components of the water spray head are not shown.

In FIG. 4, reference numeral 30 denotes a deflector.
A reflection surface 32 is provided on the lower surface side. Reference numeral 33 denotes a column supporting the deflector 30, which is attached to, for example, the outside of a water spray port of a water spray head (not shown).
The support portion 33 and the deflector 30 are connected via a hinge, and are provided so as to be rotatable in the direction of the arrow A30 indicating the elevation direction, and the angle of elevation θ1 of the reflection surface 32 with respect to the support portion 33 is made variable. I have.

Numeral 34 denotes a spring as an example of an urging member for urging the deflector 30 upward. As shown in FIG.
Is provided so as to reach the outside portion 33a.

The bent portion 3 is provided so as to extend from the upper surface 31 of the deflector 30 to the outside of the column 33.
6 is an adjustment plate. This adjustment plate 35 is
A column mounting portion 38 fixed to the column 33 by 7
And an adjusting unit 40 to which the adjusting bolt 39 is screwed. The adjusting unit 4 is rotated by rotating the adjusting bolt 39.
The projecting length of the pressing portion 39a projecting toward the lower surface of the "0" is changed. As the protrusion length of the pressing portion 39a of the adjusting bolt changes, the deflector 30 which comes into contact with the pressing portion 39a becomes a support 33 of the reflecting surface 32 on the lower surface thereof.
Is changed.

For example, when the adjusting bolt 39 is screwed in, the pressing portion 39a projecting from the lower surface of the adjusting portion 40 pushes the deflector 30 downward against the urging force of the spring 34 and increases the projecting length. This means that the reflective surface 3
The elevation angle θ1 with respect to the second support 33 can be changed.

Therefore, only by turning the adjusting bolt 39, the elevation angle θ1 of the reflecting surface 32 of the deflector 30 with respect to the support 33 can be changed, and the watering pattern can be easily adjusted at the installation site.

Next, a water spray head according to a fourth embodiment of the present invention will be described. FIG. 5 shows only a main part of the deflector, and other components of the water spray head are not shown.

Numeral 40 denotes a deflector, on its lower surface,
The reflecting surface 41 has a substantially W-shaped cross section in the crossing direction, that is, the left-right direction. Reference numeral 42 denotes a support portion which is attached to a water spray head (not shown), for example, outside a water spout.

As described above, the deflector 40 has the reflecting surface 41 having a substantially W-shaped cross section in the cross direction, and the end reflecting plates 45, 4 having the end reflecting surfaces 43, 44 on the lower surface.
6 is a central V-shaped reflecting plate 48 having a V-shaped reflecting surface 47 on the lower surface.
Are connected via hinges to each end of the V-shaped reflection surface 47 so as to be rotatable in the direction of the arrow A40 indicating the direction of the downward elevation to the side.
The inclination angles θ2 and θ3 of the end reflection surfaces 43 and 44 with respect to the reflection surfaces 47a and 47b continuous with the reflection surfaces 3 and 44 can be made variable.

Reference numerals 49 and 50 denote springs as an example of urging members for urging the end inclined plates 45 and 46 upward, respectively.
V-shaped reflector 48 continuous with them from 6 through a hinge
Are provided so as to reach the inclined plates 48a and 48b.

Reference numerals 51 and 52 denote adjusting plates which are fixed to the inclined plates 48a and 48b of the V-shaped inclined plate 48 by fixing bolts 53 and 54, respectively. Adjustment plates 51, 52
Adjustment bolts 55, 56 have lower end pressing portions 55a,
56a is provided so as to contact the end inclined plates 45 and 46. Therefore, by rotating the adjusting bolts 55, 56, the protruding lengths of the pressing portions 55a, 56a protruding from the lower surface side of the adjusting plates 51, 52 can be changed, whereby the pressing portions 55a, 56a The inclination angles of the end inclined plates 45 and 46 that come into contact can be changed, and the inclination angles of the end reflecting surfaces 43 and 44 with respect to the reflecting surfaces 47a and 47b in the V-shaped reflecting surface 47 that is continuous with the end reflecting surfaces 43 and 44. θ2 and θ3 can be changed.

Therefore, only by rotating the adjusting bolts 55 and 56, the inclined surfaces at both ends of the deflector 40,
That is, the inclination angles θ2 and θ3 of the end reflection surfaces 43 and 44 can be changed, and the watering pattern can be easily adjusted at the installation site.

It is needless to say that the configurations in the first to fourth embodiments may be appropriately combined.

[0035]

According to the water spray head provided with the deflector of the present invention, the fixing bolt is loosened and the support is moved in the direction along the axis of the water spout, so that the water spout and the reflecting surface of the deflector can be formed. Can be changed, and the watering pattern can be easily adjusted at the installation site.

Further, by rotating the position adjusting nut to move the column in the direction along the axis of the water spout, the distance between the water spout and the reflecting surface of the deflector can be changed. The watering pattern can be easily adjusted on site.

Further, the watering pattern can be easily adjusted at the installation site by changing the elevation angle of the reflecting surface of the deflector with respect to the column supporting the deflector.

Further, by changing the inclination angles of the end inclined surfaces at both ends of the reflecting surface having a W-shaped cross section, the watering pattern can be easily adjusted at the installation site.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a water spray head according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a main part of a water spray head according to a second embodiment of the present invention.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view of a deflector portion provided in a water spray head according to a third embodiment of the present invention.

FIG. 5 is a perspective view of a deflector portion provided in a water spray head according to a fourth embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 water spray head 2 water spout 4 deflector 5 reflecting surface 6 column 7 long hole 8 fixing bolt 10 water spray head 12 water sprinkler 13 deflector 14 column 17 nut for position adjustment 19 cap nut 30 deflector 32 reflection surface 33 column 40 Deflector 41 Reflecting surface 43 End reflecting surface 44 End reflecting surface

Claims (6)

[Claims] 1. A fire-extinguishing water spray head comprising: a water spout for spraying fire-extinguishing water; and a deflector having a reflecting surface for reflecting the fire-fighting water sprinkled from the water spout, and a support portion for supporting the deflector. And a long hole formed in the support portion, and a fixing bolt inserted into the long hole portion and screwed to an outer portion of the water spout, and the support portion is provided with the long hole portion. Can be fixed by screwing the bolt into the outside of the sprinkler, and by loosening the fixing bolt, the support can be moved in the direction along the axis of the sprinkler. A water spray head for fire extinguishing, characterized in that: 2. A fire-extinguishing water spray head comprising: a water spout for sprinkling fire-extinguishing water; and a deflector having a reflecting surface for reflecting fire-fighting water sprinkled from the water spout. A pillar portion having a threaded portion at the portion, a pillar contact portion formed on the outer portion of the sprinkler port and in contact with the pillar portion, and a threaded portion screwed into the threaded portion of the pillar portion at the inner periphery. A nut for adjusting the position of the water spout, and a cap nut having a threaded portion on the inner periphery for screwing with the threaded portion on the outer periphery of the sprinkler port. The strut portion contacts the strut contact portion of the sprinkler port. Abutting, attaching the position adjusting nut to the outside of the water spout and the support portion, and rotatably attaching the screw portion of the support portion and the screw portion of the position adjustment nut while screwing the screw; The support portion is sandwiched between the support contact portion and the position adjusting nut, and a cap nut is provided outside the position adjusting nut. The position adjusting nut is screwed and attached to the threaded portion of the water spout while holding and holding the position adjusting nut in a bag portion provided on the inner periphery of the nut. A water spray head for fire extinguishing, characterized in that the support portion can be moved in a direction along the axis of the water spout by rotating the water spray head. 3. A fire-extinguishing water spray head, comprising: a water spout for spraying fire-extinguishing water; and a deflector having a reflecting surface for reflecting fire-fighting water sprinkled from the water spout, and supporting the deflector. A fire extinguishing water spray head, wherein an elevation angle of a reflecting surface of the deflector with respect to a support portion is variable. 4. A fire-extinguishing water spray head comprising a water spout for spraying fire-extinguishing water and a deflector having a reflecting surface for reflecting the fire-fighting water sprinkled from the water spout, wherein the deflector has a W-shaped cross section. A water spray head for fire extinguishing, characterized in that it has a reflecting surface, and that the inclination angles of end reflecting surfaces at both ends of the reflecting surface of the deflector are variable. 5. The water spray head for fire extinguishing according to claim 1, wherein an elevation angle of a reflecting surface of the deflector with respect to a support portion supporting the deflector is variable. 6. The deflector has a reflecting surface having a W-shaped cross section, and the inclination angles of end reflecting surfaces at both ends of the reflecting surface of the deflector are variable.
Or the water spray head according to 2.