KR102655402B1 - sprinkler having deflector - Google Patents

Abstract

The posted content is about a fuse-melting type sprinkler head deflector deflector induction device that opens the discharge port by melting the fuse due to fire heat in the event of a fire and sprays fire extinguishing water.
The fuse melting type sprinkler head deflector separation inducing device according to an embodiment of the present specification is
In the fuse melting type sprinkler head deflector separation induction device,
A first body whose upper part is connected to a fire-fighting water supply pipe and whose upper and lower parts are formed to be open;
a second body whose open upper part is screwed to the inner surface of the fastening part of the first main body, and a locking protrusion is formed on the open lower inner surface;
It is formed to be capable of being raised and lowered between the first and second bodies, and when a fire occurs, it falls through the lower opening of the second body so that the upper flange is seated on the stopping ledge and sprays fire-fighting water supplied through the fire-fighting water supply pipe. A deflector in which a slit is formed in the circumferential direction on the lower sprinkler plate;
a detachable part that is detachably formed in the lower opening of the second body to support the deflector and is separated from the lower opening when a fire is detected;
a heat sensing unit exposed from the second body and connected to a lower portion of the detachable unit, and including a heat sensitive plate for detecting fire heat in the event of a fire, and a fuse accommodated in the heat sensitive plate and melted by fire heat;
It is installed to receive a compressive force between the upper flange and the inner surface of the first main body opposite to the upper flange, and when a fire is detected by the heat detection unit, the deflector is pressed by an elastic restoring force to cause it to fall from the second main body. It provides a fuse melting type sprinkler head deflector separation inducing device comprising a wave spring.

Description

Fuse melting type sprinkler head deflector inducing device {sprinkler having deflector}

This specification relates to a fuse melting type sprinkler head. More specifically, it relates to a sprinkler head deflector separation inducing device for spraying fire extinguishing water by opening a discharge port due to fuse melting due to fire heat when a fire occurs.

Unless otherwise indicated herein, the material described in this section is not prior art to the claims of this application, and is not admitted to be prior art by inclusion in this section.

Generally, sprinkler heads are installed in an exposed state on the ceiling of a building, and are connected to the fire extinguishing water supply pipe line. When a fire occurs, sprinkler heads are sprayed with fire extinguishing water supplied from the fire extinguishing water supply line at a location where fire heat is detected to prevent a fire early. It is an organization to suppress.

In other words, the fuse melting type sprinkler head consists of a connector installed on a connector pipe connected to a branch pipe of a fire-fighting pipe, a deflector that is normally hidden on the lower inner peripheral surface by forming a support ledge that faces inward on the lower inner peripheral surface, and a heat detection unit that is exposed to the outside. Consists of.

The upper side of the plunger, which has packing such as an O-ring or gasket installed as an airtight device to maintain airtightness in the drain hole of the above-mentioned connection, forms the bottom of the drain hole, and the body of the plunger is installed through the center of the deflector to prevent deflection when fire extinguishing water is sprayed. It forms the bottom of the rect.

The fuse coupled to the above-described heat detection unit is configured to release the airtight device when the balancer is lowered by melting due to fire heat.

Therefore, when a fire occurs, the heat detection unit is separated from the sprinkler head as a whole due to the fire heat, and at the same time, the deflector and plunger are lowered and the outlet of the connection port is opened, forming a sprinkler head structure so that fire extinguishing water is sprayed through the deflection.

The fuse melting type sprinkler head of Publication No. 10-1998-0025040 has a compression coil spring installed between the sprinkler head body and the deflector, so the fusible body (fuse) is melted by the temperature rise of the heat sensitive body due to the occurrence of a fire. This causes the lower support member to fall, and at the same time, the deflector is lowered by the elastic restoring force of the compression coil spring to spray fire extinguishing water to extinguish the fire.

The fuse-melting type sprinkler head of Publication No. 0025040 according to the prior art requires space to mount the compression coil spring in the narrow interior of the sprinkler head, so it has the problem of being limited in product design.

A deflector for a sprinkler head has been published in Korean Patent Publication No. 10-1998-0025040 (July 6, 1998).

In the embodiment of the present specification, when the fuse of the heat sensing unit is melted by fire heat due to a fire, the wave spring used as an elastic member to drop (separate) the deflector from the sprinkler head body is easily used in the narrow space of the sprinkler head. It is related to a fuse-melting type sprinkler head deflector departure guidance device that can be easily installed.

According to an embodiment of the present specification to achieve the above and other purposes of the present specification,

In the fuse melting type sprinkler head deflector separation induction device,

A first body whose upper part is connected to a fire-fighting water supply pipe and whose upper and lower parts are formed to be open;

a second body whose open upper part is screwed to the inner surface of the fastening part of the first main body, and a locking protrusion is formed on the open lower inner surface;

It is formed to be capable of being raised and lowered between the first and second bodies, and when a fire occurs, it falls through the lower opening of the second body so that the upper flange is seated on the stopping ledge and sprays fire-fighting water supplied through the fire-fighting water supply pipe. A deflector in which a slit is formed in the circumferential direction on the lower sprinkler plate;

a detachable part that is detachably formed in the lower opening of the second body to support the deflector and is separated from the lower opening when a fire is detected;

a heat sensing unit exposed from the second body and connected to a lower portion of the detachable unit, and including a heat sensitive plate for detecting fire heat in the event of a fire, and a fuse accommodated in the heat sensitive plate and melted by fire heat;

It is installed to receive a compressive force between the upper flange and the inner surface of the first main body opposite to the upper flange, and when a fire is detected by the heat detection unit, the deflector is pressed by an elastic restoring force to cause it to fall from the second main body. It provides a fuse melting type sprinkler head deflector separation inducing device comprising a wave spring.

The fuse melting type sprinkler head deflector separation inducing device according to the embodiment of the present specification having the above-described configuration has the following advantages.

When a fire occurs and the fuse of the heat detection unit is melted by the heat of the fire, a wave spring to drop (separate) the deflector from the sprinkler head body by elastic restoring force can be easily installed in the narrow space of the sprinkler head, making it easy to design. and assembly performance can be improved.

1 is a perspective view of a fuse-melting type sprinkler head deflector separation inducing device according to a preferred embodiment of the present specification;
Figure 2 is an exploded perspective view of the sprinkler head shown in Figure 1
Figure 3 is a cross-sectional view of the sprinkler head shown in Figure 1;
FIG. 4 is a diagram showing a use state of the sprinkler head shown in FIG. 1.

Hereinafter, a fuse-melting type sprinkler head deflector separation inducing device according to a preferred embodiment of the present specification will be described in detail with reference to the accompanying drawings.

Referring to Figures 1 to 4, the fuse melting type sprinkler head deflector separation inducing device according to an embodiment of the present specification is

In the fuse melting type sprinkler head deflector departure induction device installed on the ceiling of a building,

A first body (10) whose upper part is connected to a building's fire-fighting water supply pipe (not shown) and whose upper and lower parts are formed to be open;

a second body (13) whose open upper part is screwed to the threaded part (11a) on the inner surface of the fastening part (11) of the first main body (10), and a locking protrusion (12) is formed on the open lower inner surface;

It is formed to be able to be raised and lowered between the first and second bodies (10, 13), and when a fire occurs, it falls through the lower opening of the second body (13) and the upper flange (14) is seated on the stopping protrusion (12). A deflector (17) in which a slit (16) is formed in the circumferential direction on the lower spray plate (15) to spray fire-fighting water supplied through the supply pipe;

A detachable part 18 that is detachably formed in the lower opening of the second body 13 to support the deflector 17 and is detached from the lower opening when a fire is detected;

A heat sensitive plate 19 exposed from the second body 13 and connected to the lower part of the detachable part 18 to detect fire heat in the event of a fire, and a fuse 20 accommodated in the heat sensitive plate 19 and melted by fire heat. ) a heat detection unit (21) including;

It is installed to receive a compressive force between the upper flange (14) and the inner surface of the first body (10) opposing it, and when a fire is detected by the heat detection unit (21), the deflector (17) is pressed by the elastic restoring force. It is characterized in that it includes a wave spring (22) of any shape for dropping from the second body (13).

According to a more preferred embodiment, the above-described wave spring 22 can be a conventional wave spring, can be applied to a higher pressure than a leaf spring and a narrower space than a compression coil spring, and can also be a laminated wave spring or a double-type wave spring. Wave springs, etc. may be used.

The above-mentioned detachable part 18 is

A first member (23) whose lower side is connected to the heat sensitive plate (19) and whose upper side is located in the lower opening of the second body (13), is separated from the second body (13) when the fuse (20) is melted by fire heat. ;

A ring-shaped locking body 27 having elastic force and installed in the seating groove 26 formed on the inner surface of the lower opening of the second body 13;

a second member 24 that overlaps the first member 23 and is supported by a locking body 27 so as not to be separated from the second main body 13;

It is seated on the second member 24 and includes a third member 25 for supporting the deflector 17.

It is characterized by including a collision portion 28 that protrudes from the inner bottom surface of the above-described lower sprinkler plate 15 and is used to collide with and scatter fire-fighting water supplied through the fire-fighting water supply pipe.

As a result, the fire-fighting water supplied through the fire-fighting water supply pipe collides with the collision portion 28 and is accelerated and scattered toward the slit 16, thereby increasing the spray pressure and improving fire-fighting efficiency.

In the drawing, reference numeral 22a is a through hole formed on the same circumference of the wave spring 22, and 14a is a wave that is protruding and coupled to the upper flange 14 of the deflector 17 to correspond to the through hole 22a. This is a breakaway prevention pin to prevent the spring (22) from breaking away.

Hereinafter, a fuse melting type sprinkler head deflector separation inducing device according to an embodiment of the present specification will be described with reference to the accompanying drawings.

As shown in Figures 1 to 4, when a fire occurs in a building with a sprinkler head installed on the ceiling, the temperature of the heat sensitive plate 19 of the heat detection unit 21 that detects fire heat increases, causing the heat sensitive plate ( 19) The fuse 20 installed inside melts.

The first member 23 forming the detachable part 18 whose lower end is fixed to the above-described thermal plate 19 is separated from the second body 13.

As a result, the locking body 27 having an elastic force seated in the seating groove 26 of the second body 13 is contracted and separated from the seating groove 26, so that the second member supported by the locking body 27 ( 24) is separated from the second body 13.

At the same time, the deflector 17, whose lower end is coupled to the third member 25 of the detachable part 18 and whose upper end is movably coupled to the first body 10, is moved by the elastic restoring force of the wave spring 22. 1 It is separated from the main body 10 and lowered to an arbitrary height.

That is, since the upper flange 14 of the deflector 17, which is lowered, is seated on the stopping protrusion 12 formed in the lower opening of the second body 13, the lower sprinkler plate 15 of the deflector 17 is connected to the second body (17). 13) It is exposed to the lower part (at this time, the upper flange 14 of the deflector 17 is maintained in the locking state 12 of the second body 13).

Therefore, the fire-fighting water passing through the first body 10 and the second body 13 connected to the building's fire-fighting water supply pipe (not shown) collides with the collision formed on the inner floor surface of the lower sprinkler plate 15 of the deflector 17. After colliding with the unit 28, the spray can pass through the slit 16 formed in the circumferential direction in the lower spray plate 15 and be sprayed radially to the flame source.

At this time, when a fire occurs and the fuse 20 of the heat sensing unit 21 is melted by fire heat, the detachable part 18 is separated from the lower opening of the second main body 13, and the deflector 17 is separated from the sprinkler head main body. ) is separated by the elastic restoring force of the wave spring (22), and the technical content of spraying fire-fighting water supplied from the fire-fighting water supply pipe to the flame source through the slit (16) of the deflector (17) is in the technical field to which this specification pertains. Since it is applied in substantially the same way as commonly used sprinkler heads, detailed descriptions of their configuration and spraying method will be omitted.

As described above, this specification has been described with reference to preferred technical ideas as examples, but those skilled in the art will be able to make various modifications and other equivalent embodiments without departing from the essential characteristics of the specification. will be.

Therefore, the embodiments disclosed in this specification are not intended to limit the technical idea, but are for explanation, and the scope of protection of the specification should be interpreted in accordance with the technical idea of the claims, and all technical ideas within the equivalent scope are subject to the rights of this specification. It should be interpreted as being included in the scope.

10; 1st body
11; fastener
12; stumbling block
13; 2nd body
14; Upper flange
15; Lower sprinkler plate
16; slit
17; deflector
18; Detachable part
19; thermal plate
20; hughes
21; heat detection unit
22; wave spring
23; 1st member
24; second member
25; third member
26; Seating groove
27; catch
28; collision

Claims (4)

In the fuse melting type sprinkler head deflector separation induction device,
A first body whose upper part is connected to a fire-fighting water supply pipe and whose upper and lower parts are formed to be open;
a second body whose open upper part is screwed to the inner surface of the fastening part of the first main body, and a locking protrusion is formed on the open lower inner surface;
It is formed to be capable of being raised and lowered between the first and second bodies, and when a fire occurs, it falls through the lower opening of the second body so that the upper flange is seated on the stopping ledge and sprays fire-fighting water supplied through the fire-fighting water supply pipe. A deflector in which a slit is formed in the circumferential direction on the lower sprinkler plate;
a detachable part that is detachably formed in the lower opening of the second body to support the deflector and is separated from the lower opening when a fire is detected;
a heat sensing portion exposed from the second body and connected to a lower portion of the detachable portion, and including a heat sensitive plate for detecting fire heat in the event of a fire, and a fuse accommodated in the heat sensitive plate and melted by fire heat;
A wave installed to receive a compressive force between the upper flange and the inner surface of the first main body opposite to the upper flange, and to pressurize the deflector by an elastic restoring force to cause it to fall from the second main body when a fire occurrence is detected by the heat detection unit. spring;
A through-hole is formed on the same circumference of the wave spring, and the separation prevention pin protrudes from the upper flange to correspond to the through-hole and prevents the wave spring from being coupled.
A fuse melting type sprinkler head deflector separation inducing device comprising a collision portion protruding from the inner bottom surface of the lower sprinkler plate and colliding with and scattering the firefighting water supplied through the firefighting water supply pipe. delete delete According to paragraph 1,
The detachable part
a first member whose lower side is connected to the heat sensitive plate and whose upper side is located in the lower opening of the second body, and which separates from the second body when the fuse is melted;
A locking body installed in a seating groove formed on an inner surface of the lower opening and having elastic force;
a second member overlapping the first member and supported so as not to be separated from the second main body by the engaging body;
A fuse melting type sprinkler head deflector separation inducing device comprising a third member seated on the second member and supporting the deflector.

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