KR200232398Y1 - water sprinkler head - Google Patents

Abstract

The present invention relates to a sprinkler head which allows the unloading portion of the sprinkler head to be assembled at a low level so as to be separated smoothly due to its own weight in case of fire.

The present invention provides a sprinkler head comprising: a body of a head having a hexagonal flange; An opening and closing portion having a sheet in which an O-ring is inserted into a circumferential surface which is in contact with a lower end of the inner surface of the nozzle; A valve seat having a pressure disk having a first hole in the center of the disc of the guide structure, a sleeve inserted into the first hole, and a pressure screw screwed to the sleeve; A latch that secures the lower part of the latch and an operating part having a lever hanging on the upper surface of the locking jaw of the frame and a circular locking rib for determining the position of the lever, and an upper support hanging on the bottom of the frame and a fuse metal ring provided at the center of the variable sleeve and the fixed sleeve. An unlocking portion composed of a fixture; Characterized in that it consists of a heat collecting part fixed to the fixing sleeve with a fixing screw.

Description

Sprinkler Head {water sprinkler head}

The present invention relates to a sprinkler head, in particular, by setting a low load of the unlocking portion provided in the lower portion of the sprinkler head to be separated smoothly by its own weight in the event of a fire, and to reduce the shock transmitted through the heat collector after the installation It is to prevent leakage.

In general, a sprinkler is installed in a building to extinguish fire by releasing extinguishing water at the same time as a fire occurs.

The sprinkler is usually fixed to the head having a nozzle in the pipe line provided inside the ceiling, and the frame provided to be spaced apart at predetermined intervals from the side and bottom of the nozzle is screwed to the head.

In addition, it is provided with a ring member provided on the upper and lower ends of the connecting member and a lifting platform having an integrated diffusion part provided at the lower end so as to be movable vertically in the space provided between the outside of the nozzle and the inner surface of the frame.

And a locking part having a heat sensing part and a soluble body under the opening part and having an opening and closing part for opening and closing the nozzle in the center of the diffusion part.

As described in the sprinkler head of Utility Model Registration No. 1998-6325 (1993.4.23), the locking part is rotated at a predetermined angle by the movement of the upper and lower sleeves having a plurality of latches on both lower ends of the inner flange having an available body. It is provided.

In addition, the lower end of the lower sleeve is provided with a thermal scale plate having a form surrounding the latch and the upper and lower sleeves from the bottom to the top.

If a sprinkler having this configuration is installed on the ceiling and a fire occurs, the ambient temperature is transmitted to the lower sleeve through the heat accumulator plate, and the upper sleeve moves downward by decreasing the volume as the soluble substance melts by the transferred heat.

Due to the movement of the upper sleeve, the free end of the latch rotates around the inner flange and separates and falls to the floor. The opening and closing part is opened by the pressure of the fireproof water, so that the fireproof water is ejected into the space where the fire is occurring through the diffusion part of the platform to extinguish the fire. do.

However, since the heat scale plate is provided to surround the latch and the upper and lower sleeves, it is impossible for the fire heat to be cut directly into the latch and the upper and lower sleeves, thereby reducing the heat transfer efficiency. There was another problem that became large.

In addition, when the sprinkler head is transported or installed and the shock is applied to the thermal scale plate after the installation, the impact force is transmitted to the opening and closing part through the locking part, thereby causing a problem in that the fire water leaks.

Therefore, the present invention has been devised to solve such a problem, and sets the assembly load of the unlocking part that forms the lower part of the sprinkler head to a low level so that it can be separated smoothly due to its own weight in case of a fire. An object of the present invention is to provide a sprinkler head which prevents leakage of fire-proof water by preventing shock from being transmitted to the opening and closing part.

The present invention for achieving the above object is a frame screwed to the lower end of the head having a nozzle, a lifting table having a ring member and a diffusion part integrally provided in the space between the nozzle and the frame, and the diffusion, A sprinkler head comprising an opening and closing portion provided in the center of a part, a locking portion having a soluble body under the opening and closing portion, and a thermal axis plate, comprising: a body of a head having a hexagonal flange; An opening and closing portion having a sheet in which an O-ring is inserted into a circumferential surface which is in contact with a lower end of the inner surface of the nozzle; A valve seat having a pressure disk having a first hole in the center of the disc of the guide structure, a sleeve inserted into the first hole, and a pressure screw screwed to the sleeve; The lower part of the lever and the lower part of the lever are provided with a lever that is caught on the upper surface of the locking jaw of the frame, an upper support where the locking rib of the circle which determines the lever position is caught by the lower end of the frame, and a fuse metal ring provided at the center of the variable sleeve and the fixed sleeve. An unlocking portion composed of a latch fixture for fixing; Characterized in that it consists of a heat collecting part fixed to the fixing sleeve with a fixing screw.

1 is an exploded perspective view of a sprinkler head according to the present invention.

Figure 2a to d is a longitudinal sectional view showing an operating state of the sprinkler head according to the present invention.

Figure 3 is an exemplary view of a state covered with a buried cover sprinkler head according to the present invention.

<Brief description of symbols for the main parts of the drawings>

4: Hex flange 6: Body

7: Jam Jaw 8: Frame

12: Opening and closing part 13: Valve seating part

14: unlocking part 15: collecting part

16: Sheet 17: O-ring

20: Sleeve 21: The first hole

22: pressure disk 23: pressure screw

26: lever 27: upper support

28: variable sleeve 29: fixed sleeve

30: fuse metal ring 31: operating part

32: Lever fastener 38: Fixing screw

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

The sprinkler head 1 according to the present invention has a hexagonal flange 4 having a screw 3 connected to an end of a pipe 2 line, as shown in FIGS. The body 6 of the head having the head 5, the frame 8 having the locking jaw 7 at the lower end by being screwed to the inner surface of the flange 4, the outer surface of the nozzle 5 and the frame 8. A ring member 9 provided with a ring member 9 and a diffusion part 10 integrally provided in a space provided by an inner surface of the upper and lower parts 11 and an opening and closing part 12 provided at the center of the diffusion part 10 and The valve seat 13 and the unlocking part 14 and the heat collecting part 15 are installed under the opening and closing part 12.

Here, the opening and closing part 12 is provided with a sheet 16 which abuts on the inner wall of the nozzle 5 with a predetermined length and abuts against the inner wall, and an O-ring 17 is provided at the lower end of the sheet 16. The groove 16a is provided to be inserted at a predetermined depth, and has a structure having a ring-shaped protrusion in connection with the groove 16a.

The valve seat 13 is installed under the platform 11 provided with the diffusion part 10 to adjust the pressure of the opening and closing part 12 in close contact with the nozzle to smoothly fall by its own load during operation. It is provided with the pressurizing disk 21 which has the disc 21a in which the 1st hole 21b for inserting the sleeve 20 provided with the female screw 19 was formed.

Here, the lower end of the pressing disk 21 is provided with a structure having a space portion 22a provided with a predetermined width between the plurality of guides 22, and each of these guides 22 is provided with about four More preferred.

The pressure screw 23 screwed to the female screw 19 is provided so that the contact portion with the bottom surface of the sheet 16 has a curved shape, the outer peripheral surface has a male screw 24 is formed on the front surface and the lower portion has a predetermined depth Wrench groove 25 is provided.

The unlocking part 14 prevents the fire plate from leaking by preventing the disc 22 of the valve seat 13 from moving normally, and at the same time, when the fire occurs, the fire plate is quickly detached. As a result of ejection, the lever 26 which is caught on the upper surface of the locking jaw 7 of the frame 8 and the semicircular locking ribs 34a which determine the position by fitting both sides of the lower end of the lever 26 to the frame ( 8) an operating part 31 and a lever 26 having an upper support 27 provided to be caught by a lower end of the 8), and a fuse metal ring 30 provided at the center of the variable sleeve 28 and the fixed sleeve 29. It consists of a latch fixture (32) for fixing the lower end of the.

Here, the lever 26 has a rectangular guide hole 33 in the center ' 'Is provided in the form is provided so that the lower end of the upper right is caught on the upper surface of the locking step (7).

The upper support 27 has a plate shape of upper and lower light, and a second hole 34 is integrally formed at the center thereof.

The variable sleeve 28 of the operating part 31 has a third hole 35 formed at the center thereof, and has a multi-step staircase on the outer side thereof, and is caught in a state where an upper portion thereof is fitted into the second hole 34. The jaw 7 is provided to prevent the movement downward. In addition, the lower end has a predetermined thickness on the inner surface of the third hole 35 and is provided with the first hermetic holding ring 36 integrally.

The fixed sleeve 29 has a female thread portion 37 having a predetermined length in a state in which the inner surface is penetrated and formed upward from the lower end, and is fitted to the lower end of the variable sleeve 28 to the outside of the upper end to provide a ring-shaped space. The second hermetic holding ring 38 is provided integrally.

The fuse metal ring 30 is provided by the first hermetic holding ring 36 provided on the bottom of the variable sleeve 28 and the second hermetic holding ring 38 provided on the upper surface of the fixed sleeve 29. It is inserted in the space part.

The latch fixture 32 is integrally formed to have a rectangular shape for fixing the lower end of the guide hole 33 formed in the lever 26 in the form of a disk having a fourth hole 39 into which the fixing sleeve 29 is fitted. It is provided with.

The heat collecting part 15 is provided with an enclosure 34 having a sidewall 33 having an open top, and a hot air inlet 35 provided in the sidewall 33.

The hot air inlet 35 is formed to cut a portion of the side wall to be bent inwardly, and a fixing hole 42 having a heat guide hole 40 formed therein is formed with a fifth hole 36 in the center of the housing 34. It is provided to be fixed to the fixed sleeve 29 by using a).

On the other hand, when using the buried cover 50 as shown in Figure 3 to protect the heat collecting portion 15 and the valve seating portion 13 and the like from a small external shock to prevent damage or leakage of fire water Can be installed and used in harmony with the surrounding beauty.

The buried cover 50 has a plate shape of ordinary light lower strait, and the support piece 52 having a plurality of locking pieces 54 is provided therein and is attached with low melting solder before the sprinkler is normally operated. It can be separated in advance in order to detect abnormal symptoms beforehand and take action.

The sprinkler head configured as described above is subjected to an impact through the heat collecting part 15 due to a user's mistake after installation, and at the same time, the impact force is alleviated by the upper support 27 in close contact with the bottom of the locking jaw 7. 16) to prevent fire water leakage.

At the same time as the fire occurs, heat of high temperature is transferred to the housing 34 and the fixing sleeve 29 of the heat collecting part 15 provided at the bottom of the sprinkler head 1 and at the same time, the heat formed at the upper end of the housing 34. The temperature rises rapidly by flowing into the inlet part 35.

While the elevated temperature reaches about 72 ° to 96 ° C., the first hermetic holding ring 36 provided on the bottom of the variable sleeve 28 and the second hermetic holding ring provided on the upper surface of the fixed sleeve 29 ( The fuse metal ring 30 inserted into the space provided by 38 starts to melt.

As the variable sleeve 28 moves downward (shown in FIG. 2) due to the melting of the fuse metal ring 30, the upper support 27, which was supporting the guide hole 33 of the lever 26, is caught. ) And the lower part is opened to the outside centering on both sides of the lever 26, which was caught on the locking step 7 (shown in FIG. 2C), and the valve seat 13 and the unlocking part ( 14) and the weight ratio of the heat collecting portion 15 is composed of 100: 50: 40, thereby accelerating the speed of self-weight.

The ring member 9 of the platform 11 is caught in the locking jaw 7 at the moment when the lever 26 caught by the locking jaw 7 rotates to some extent and falls from the locking jaw 7 to the floor. Through the opening and closing part 12 and the diffusion part 10 is ejected to the space where the fire is occurring to turn off the fire.

The present invention, which is configured as described above, prevents the fire water from leaking and prevents the fire from leaking by allowing the shock to be delivered to the opening and closing part even if an impact is applied from the outside after the sprinkler head is installed. It is effective to put down.

Claims (2)

A frame screwed to the lower end of the head having the nozzle, a lifting member having a ring member and a diffusion part integrally provided in the space between the nozzle and the frame, the opening and closing portion provided at the center of the diffusion portion, and the opening and closing portion In the sprinkler head consisting of a locking portion having a soluble body and a thermal scale plate, A body 6 of the head having a hexagonal flange 4; An opening / closing portion 12 having a sheet 16 in which an O-ring 17 is inserted into a circumferential surface which is in contact with the lower end of the inner surface of the nozzle; A press disk 21 having a first hole 21b in the center of the disc 21a of the guide structure, a sleeve 20 inserted into the first hole 21 and a press screw 23 screwed to the sleeve 20. And valve seat 13 provided with; A lever 26 on the upper surface of the locking jaw 7 of the frame 8, a circular locking rib 34a for determining the position of the lever 26, and an upper support 27 on the lower end of the frame 8; An unlocking part consisting of an operating part 31 having a fuse metal ring 30 provided at the center of the variable sleeve 28 and the fixed sleeve 29 and a latch fixture 32 fixing the lower end of the lever 26 ( 14); Head of the sprinkler, characterized in that consisting of a heat collecting portion 15 is fixed to the fixing sleeve (29) by a fixing screw (42). The sprinkler head according to claim 1, wherein the heat collecting part (15) comprises a cylindrical housing (34) having a sidewall with an open side and a hot air inlet part (35) formed by cutting a part of the sidewall. .