KR100705046B1 - Connection device for sprinkler - Google Patents

Abstract

The present invention relates to a sprinkler connecting device to quickly and easily mount the sprinkler installed in the ceiling space in order to extinguish the fire occurring in the building in a suitable position of the ceiling.

The present invention for this purpose is mounted between the T-type or L-type connecting pipe 10 and the sprinkler head 20 mounted on the fire extinguishing water pipe (1) horizontally installed on the ceiling of the building and the connecting pipe ( 10. A sprinkler connecting device that can be adjusted to a height between an indoor ceiling board of a building, the apparatus comprising: a body screwed to the connecting pipe 10, and a vertical lift with respect to the body to correspond to the height of the indoor ceiling. The lower part includes a reducer to which the sprinkler head 20 is screw-connected and a plurality of packings for preventing leakage of supply water during expansion and contraction of the reducer to the body.

Sprinkler, Water Supply Pipe, Reducer, Body, Extension, Height Adjustment, Hanging Groove, Joint, Lift, Clamp

Description

Sprinkler connection device {Connection device for sprinkler}

1 is an exploded perspective view of a sprinkler connecting device according to a first embodiment of the present invention;

2 is an assembled perspective view of the sprinkler connection device shown in FIG.

3 and 4 are main portion side cross-sectional view showing a state connecting the sprinkler head to the reducer;

5 is an exploded perspective view of a sprinkler connecting device according to a second embodiment of the present invention;

6 is an assembled perspective view of the sprinkler connecting device shown in FIG.

7 and 8 are main portion side cross-sectional view showing a state connecting the sprinkler head to the reducer;

9 is an exploded perspective view of a sprinkler connecting device according to a third embodiment of the present invention;

10 is an assembled perspective view of the sprinkler connecting device shown in FIG. 9;

11 and 12 are principal side cross-sectional views showing a state in which the sprinkler head is connected to the reducer;

13 is an exploded perspective view of a sprinkler connecting device according to a fourth embodiment of the present invention;

14 is an assembled perspective view of the sprinkler connecting device shown in FIG.

15 and 16 are main side cross-sectional views showing a state in which the sprinkler head is connected to the reducer;

17 is an exploded perspective view of a sprinkler connecting device according to a fifth embodiment of the present invention;

18 is an assembled perspective view of the sprinkler connecting device shown in FIG. 17;

19 and 20 are main portion side cross-sectional view showing a state connecting the sprinkler head to the reducer;

21 is an exploded perspective view of a sprinkler connecting device according to a sixth embodiment of the present invention;

FIG. 22 is an assembled perspective view of the sprinkler connecting device shown in FIG. 21; FIG.

23 and 24 are principal side cross-sectional views showing a state in which the sprinkler head is connected to the reducer;

FIG. 25 is an exploded perspective view illustrating main parts of a sprinkler connecting device having a body L-shaped as a modified example of the sixth embodiment of the present invention shown in FIG. 21;

FIG. 26 is a cross sectional view of FIG. 25 similar to FIG. 23.

Explanation of symbols on the main parts of the drawings

1: Steel pipe for fire hydrant

10: connector

20: sprinkler head

30, 130, 230, 330, 430, 530, 600: body

31, 131, 231, 331, 431, 531: Male thread

40, 140, 240, 340, 440, 540: reducer

50, 150, 250, 350, 450, 550, 610, 650: Packing

61, 640: tightening nut

241: set clamp

243, 343, 443, 543, 630: insulation ring

360: reducer expansion bolt

460: support

470, 570: Adjusting nut

490, 590: tightening mechanism

The present invention relates to a sprinkler connecting device, and more particularly, to a sprinkler connecting device that can be quickly and easily mounted in a suitable position of the ceiling sprinkler installed in the ceiling space in order to extinguish the fire occurring in the building.

Increasingly high-rise buildings are being pursued by the advancement of construction technology.

In general, the sprinkler system is used by fixing the ceiling to extinguish the fire early in the event of a fire in the building as the building becomes taller and larger.

The sprinkler system is installed with a fire extinguishing water supply pipe for supplying water to the interior of the ceiling to supply and spray high pressure water from the ceiling of each floor of the building, and the sprinkler is connected to a connection pipe connecting a plurality of branch water supply pipes to the water supply pipe. In combination, water is being supplied to the area where the fire occurred to fight the fire.

As a connection device for fixing the sprinkler used for the above purpose is disclosed in the Republic of Korea Utility Model Registration No. 160395 and 318398, which will be briefly described.

The former registered utility model No. 160395 is located between the lower part of the steel pipe for the head connection and the sprinkler head at the position of the upper part of the indoor ceiling near the center of the building where the difference in the height of the installation of the sprinkler head on the outside and the inside of the building occurs during the construction of the indoor ceiling. A screw-mounted nipple was mounted inside and outside to adjust to the height of the ceiling, which was adapted to the height of the ceiling using the screw length of the nipple.

However, this registration only considers that the main water line is installed to prevent the water spout of the sprinkler head from being blocked by impurities in the water in the water supply line by tilting 1/200 upward toward the sprinkler head. In the case of apartments, officetels, and business buildings, the height between the slab floor of the building and the indoor ceiling board is different from each other, so the nipple alone has a limitation in adjusting the installation height of the sprinkler.

On the other hand, the latter utility model registration No. 318398 can reduce the number of parts, improve the ease of assembly and disassembly, economical efficiency, and productivity by configuring a reducer, nipple, and nut that are separated from each other. In addition, the sprinkler connecting device is installed between the T-shaped connecting pipe and the sprinkler with a connecting body part having a narrow tube in the form of a reducer so as to have sufficient response force to the internal pressure.

However, since the body part is manufactured to have a certain standard (length), the height between the slab layer and the indoor ceiling is different depending on the type of building as in the case of the former. There was a problem that can not be arbitrarily adjusted.

The present invention has been invented to solve the above problems, an object of the present invention is a sprinkler system using a fire water supply pipe, after the inspection of the hydraulic pressure mounted on the L-shaped or T-shaped connector at the height of the ceiling It is to provide a sprinkler connecting device to arbitrarily adjust the height (length) to the sprinkler to adapt.

According to an embodiment of the present invention for achieving the above object, a T-type or L-type connector mounted on the fire extinguishing steel pipe installed on the ceiling of the building, and is mounted between the sprinkler head and the connector and the building The sprinkler connecting device is provided to adjust the height between the indoor ceiling of the bar, which is formed with a male screw screwed to the connector, a male screw is formed on the outer bottom, a horizontal groove is formed inside the hollow, A body having two vertical grooves spaced 90 ° above and below the horizontal groove; In order to be able to move up and down in the longitudinal direction of the body to correspond to the height of the ceiling, a plurality of engaging grooves are formed at regular intervals on the outer periphery, the outer upper end is inserted through the vertical groove of the body, and then 90 ° along the horizontal groove It is rotated and provided with two guide projections that can be elevated through the vertical groove, the lower end of the sprinkler head is screwed connected to the reducer; And a tightening nut screwed to a male screw formed at an outer lower portion of the body so that the inner portion is elastically inserted into a catching groove formed at the outer circumference of the reducer and supplied to the sprinkler through the reducer. Consisting of packing to prevent leakage of feed water; The reducer is characterized in that it can be stretched in a push-pull manner along the longitudinal direction of the body by the elastic engagement of the packing and the locking groove.
Another embodiment of the present invention is a male screw is screwed to the connector is formed, a plurality of engaging grooves are formed at a predetermined interval on the outside, the lower body of the at least two grooves are formed; At least two stop clamps are fixed to the outside by screws, and an upper portion of the insulation ring is positioned to enable the elevating in the longitudinal direction of the body to correspond to the height of the ceiling; And at least two packings elastically inserted into the grooves of the body to prevent leakage of the feed water supplied to the sprinkler through the reducer; The reducer is characterized in that it can be stretched in a push-pull manner along the longitudinal direction of the body by elastic engagement of the stop clamp and the locking groove.
According to another embodiment of the present invention, a male screw is screwed to the connecting pipe is formed, the outer upper portion is formed with a fixing hole having a bolt hole, the outer lower portion is formed with at least two grooves; In order to be able to rise and fall in the longitudinal direction of the body to correspond to the height of the ceiling, a holder having an opening is formed in the outer lower portion, the upper portion of the reducer is located an insulating ring; And at least two packings elastically inserted into the grooves of the body to prevent leakage of the feed water supplied to the sprinkler through the reducer; Through the bolt through the opening formed in the holder of the reducer, the screw of the bolt is screwed into the bolt hole formed in the holder of the body, and fixed with a C-ring to rotate the bolt so that the reducer can be stretched along the length of the body. It is characterized by.
In addition, the present invention is a male screw is screwed to the connector is formed, the outer lower body and formed with at least two grooves; A reducer having a male screw formed on an outer circumference thereof and having an insulating ring positioned thereon, in order to be able to elevate in the longitudinal direction of the body so as to correspond to the height of the ceiling; At least two packings elastically inserted into the grooves of the body to prevent leakage of the feed water supplied to the sprinkler through the reducer; One side of the c-shaped support having two through holes is fixed to the body and at the same time the body passes through the through holes; A female screw on which the male screw of the reducer is screwed is formed on the inner side, and an adjusting nut having a locking groove on the outside is inserted into the through hole of the c-shaped support and rotatably fixed by the C-ring; The reducer was made extensible along the longitudinal direction of the body by rotating the adjusting nut.The clamper of the tightening mechanism is inserted in the outer periphery of the adjusting nut to rotate the adjusting nut relative to the reducer so that the reducer is in the longitudinal direction of the body. It is desirable to have a plurality of insertion grooves to be stretched along.
In addition, according to another embodiment of the present invention, a male screw is screwed to the connector is formed, the outer lower body and at least two grooves are formed; In order to be able to move up and down in the longitudinal direction of the body to correspond to the height of the ceiling, a male screw is formed on the outer periphery, the upper portion of the reducer is located an insulating ring; And at least two packings elastically inserted into the grooves of the body to prevent leakage of the feed water supplied to the sprinkler through the reducer; A female screw on which the male screw of the reducer is screwed is formed on an inner side thereof, a fixing ring is located on an adjustment nut provided with a locking groove on the outside thereof, and a flow preventing washer and a C-ring are rotatably fixed on the locking groove; The reducer was stretchable along the length of the body by rotating the adjusting nut while holding the retaining ring.

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Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of the sprinkler connecting device according to the first embodiment of the present invention, which is a T-type or L-type mounted on the fire extinguishing water supply pipe (1) horizontally installed on the ceiling of the building It is installed between the connection pipe 10 and the sprinkler head 20 to be adjusted to fit the height between the connection pipe 10 and the indoor ceiling of the building.

Therefore, the present invention includes a body 30 that is screwed to the connector 10 as shown in Figure 1, the body 30 is a male screw 31 is screwed to the connector 10 ) Is formed, a male screw 32 is formed in the outer lower portion having a larger diameter than the male screw 31, and a horizontal groove 33 is formed in the hollow inner lower portion, the upper and lower sides of the horizontal groove 33 Two sets of vertical grooves 34a and 34b are formed on the side, respectively, 90 ° apart.

The body 30 can be screwed to the T- or L-shaped connector 10 using a suitable tool such as a spanner by having a hexagonal portion 31a as can be seen in FIGS. It was made.

On the other hand, the reducer 40 for supplying a high pressure fire water supply to the sprinkler head 20 side has a normal internal shape as shown in Figs. 3 and 4, but in the present invention modified its outer diameter shape. That is, the reducer 40 may be vertically elevated with respect to the body 30 so as to correspond to the height of a typical indoor ceiling, and the sprinkler head 20 is screwed to a lower end thereof, but a plurality of catching grooves are formed on the outer circumference. 41 is formed at regular intervals, the outer upper end is inserted through the vertical groove (34b) of the body 30, and then rotated 90 ° along the horizontal groove (33) is capable of lifting through the vertical groove (34a) 2 Two guide protrusions 42 were provided.

As shown in FIG. 1, the packing 50 is a leakage preventing member for preventing leakage of the fire extinguishing water supply when the reducer 40 is stretched to the body 30, as shown in FIGS. 3 and 4. The packing 50 is inserted in the lower part of the body 30 by a fastening nut 60 which is screwed to a male screw 32 formed in the outer lower part of the body 30 so that the inner side is a reducer 40. The elastically inserted into the engaging groove 41 formed on the outer periphery of the at the same time to prevent leakage of the fire extinguishing water supplied to the sprinkler 20 through the reducer 40.

Looking at the assembled state of the first embodiment of the present invention configured as described above, first, the reducer 40 is inserted into the interior of the body 30, the guide protrusion 42 of the reducer 40 of the body 30 Insert and push up in the vertical groove (34b) formed on the inside to rotate the reducer 40 by 90 ° so that the guide protrusion 42 of the reducer 40 is moved along the horizontal groove (33) of the body (30) If it is located in the vertical groove (34a) after pushing up in the vertical direction. Therefore, the reducer 40 can be elevated in the vertical direction along the vertical groove 34a in the body 30, and artificially pulls the reducer 40 downward so that its guide protrusion 42 is a horizontal groove ( The reducer 40 is not separated from the body 30 and is capable of performing only a vertical lift operation unless it is positioned in the vertical groove 34b via 33).

After the reducer 40 is completely inserted into the body 30, the packing 50 is seated inside the tightening nut 60, as shown in FIG. 3, and then the tightening nut 60 is inserted into the male body 30. When the screw is fixed to the screw 32, the packing 50 is elastically engaged to the locking groove 41 of the reducer 40.

When the body 30, the reducer 40, and the like are completed as shown in FIG. 2, the male screw 31 of the body 30 is T-shaped or L by using a suitable tool such as a spanner as shown in FIG. After fixing firmly to the -type connector 10, the reducer 40 is pulled to an appropriate length in the direction of the arrow so that the reducer 40 is extended.

At this time, the assembly of the sprinkler is simply completed by screwing the screw 21a formed on the sprinkler head 20 fixed to the indoor ceiling board 2 to the female screw 43 of the reducer 40.

Therefore, in the case of using the method shown in Figs. 3 and 4, even if the distance from the fire extinguishing water supply pipe 1 fixed to the building ceiling 3 with the bracket 4 to the indoor ceiling board 2 is different for each building. The present invention is applicable to any building by stretching and adjusting the reducer 40 to the lower side.

When the reducer 40 is stretched as shown in FIGS. 3 and 4, the reducer 40 elastically presses the catching groove 41 formed on the outside of the reducer 40. There is no problem in the stretching operation of the assembly, as shown in Figure 4, even if the supply of fire extinguishing is supplied, there is no fear of leakage to the outside due to the packing (50).

Therefore, the sprinkler connection device according to the first embodiment of the present invention adopts a slide method by the locking groove 41 and the packing 50 so that the worker can quickly and easily connect the sprinkler.

5 is an exploded perspective view of a sprinkler connecting device according to a second embodiment of the present invention. In FIG. 5, the same reference numerals as in FIG. 1 denote the same parts, and thus detailed description thereof will be omitted. .

As can be seen in Figure 5 the body 130 used in the second embodiment is formed with a male screw 131 is screwed to the connection pipe 10, a male screw (on the lower outside of the hexagonal portion 31a) 132 is formed, the lower portion of the male screw 132 has a diameter smaller than the outer diameter of the male screw 132 and at least two grooves 133 are formed.

And, the reducer 140 is formed with a male screw 132 and a screw screw 141 is fixed to the outer periphery of the body 130, the packing 150 is the groove 133 of the body 130 It is preferably provided with at least two or more in order to prevent leakage of the fire-fighting supply water is elastically inserted into the sprinkler 20 through the reducer 140.

Looking at the assembly state of the second embodiment of the present invention configured as described above, first, the packing 150 is seated in the groove 133 formed in the lower portion of the body 30, and then the reducer 140 is screwed to the body 130. Rotate to fix the bar, in this case the female screw 141 of the reducer 140 is screwed to the male screw 132 of the body 130, the assembly is completed as shown in FIG.

When the body 130, the reducer 140, and the packing 150 are assembled as shown in FIG. 6, the male screw 131 of the body 130 is removed using a suitable tool such as a spanner as shown in FIG. After fixing firmly to the -type or L-type connector 10, the reducer 140 is pulled to an appropriate length in the direction of the arrow as shown in Figure 7, so that the reducer 140 is extended.

Therefore, in the case of using the method shown in Figs. 7 and 8, even if the distance from the fire extinguishing water supply pipe 1 fixed by the bracket 4 to the building ceiling 3 to the indoor ceiling board 2 varies from building to building, The invention is applicable to any building by stretching and adjusting the reducer 140 by screwing.

Even if the assembly is completed as shown in Figure 8 is supplied with a fire extinguishing water supply there is no fear of leakage to the outside of the reducer 140 due to the packing 150.

Therefore, the sprinkler connection device according to the second embodiment of the present invention is a screw method by the male screw 132 formed on the outside of the body 130 and the female screw 141 formed on the inside of the reducer 140. This allows the operator to quickly and easily connect the sprinkler.

9 is an exploded perspective view of a sprinkler connecting device according to a third embodiment of the present invention. In FIG. 9, the same reference numerals as used in FIGS. 1 and 5 denote the same parts, and thus, detailed description thereof is omitted. do.

9, the body 230 used in the third embodiment is formed with a male screw 231 is fixed to the connecting pipe 10, a plurality of engaging grooves 232 are formed at a predetermined interval on the outside At least two recesses 233 are formed at the lower portion of the locking groove 232, and at least two stop clamps 241 are fixed by the screw 242 at the reducer 240. Insulation ring 243 is located.

In addition, at least two or more packings 250 are elastically inserted into the recesses 233 of the body 230 to prevent leakage of the supply water supplied to the sprinkler 20 through the reducer 240.

Looking at the assembled state of the third embodiment of the present invention configured as described above, first, the packing 250 is seated in the groove 232 formed in the lower portion of the body 230, the insulating ring 243 on the upper side of the reducer 240 After mounting the two stop clamps 241 on the outside of the reducer 240 as a screw 242, the assembly is completed as shown in Figure 10 by inserting the body 230 into the inside of the reducer 240 .

As shown in FIG. 10, when the body 230, the reducer 240, the stop clamp 241, and the packing 250 are assembled, the male screw 231 of the body 230 may have a spanner as shown in FIG. 11. After firmly fixing the T- or L-shaped connector 10 with a suitable tool, the reducer 240 is stretched by pulling the reducer 240 to an appropriate length in the direction of the arrow as shown in FIG. The stop clamp 241 at the time of expansion and contraction is elastically stretched by being held by the recess 232 of the body 230.

Therefore, in the case of using the method shown in Figs. 11 and 12, even if the distance from the fire extinguishing water supply pipe 1 fixed by the bracket 4 to the building ceiling 3 to the indoor ceiling board 2 is different for each building, The invention is applicable to any building by pulling down the reducer 240 or pushed upward to adjust the stretch.

In addition, even if the assembly is completed as shown in Figure 12 is supplied with the supply water for extinguishing is no fear of leakage to the outside of the reducer 240 due to the packing 250.

Therefore, the sprinkler connection device according to the third embodiment of the present invention is elastically engaged (clamping) by the locking groove 232 formed on the outside of the body 230 and the locking clamp 241 provided on the outside of the reducer 240. Method, the operator can quickly and easily connect the sprinkler.

13 is an exploded perspective view of a sprinkler connecting device according to a fourth embodiment of the present invention. In FIG. 13, the same reference numerals as those of the first to third embodiments represent the same parts. Detailed description will be omitted.

As can be seen in Figure 13, the body 330 is formed with a male screw 331 is screwed to the connecting pipe 10, the outer side is formed with a fixing table 332 having a bolt hole 332a, At least two grooves 333 are formed in the lower portion of the outer side, and the reducer 340 has a fixing stand 341 having an opening 341a in the outer lower portion thereof, and an insulating ring 343 is positioned in the upper portion thereof. have.

In addition, at least two packings 350 are elastically inserted into the recesses 333 of the body 330 to prevent leakage of the supply water supplied to the sprinkler 20 through the reducer 340. .

Looking at the assembled state of the fourth embodiment of the present invention configured as described above, first, the packing 350 is seated in the groove 333 formed in the lower portion of the body 330, the insulating ring 343 on the upper side of the reducer 340 After seating the body 330 is inserted into the inside of the reducer 340, the bolt 360 is inserted through the opening 341a of the fixing stand 341 formed on the outside of the reducer 340, and then C After the rotatable fixing with the ring 362, the assembly is completed as shown in FIG. 14 by screwing the free end of the bolt 360 to the bolt hole 333a of the outer holder 332 of the body 330.

When the body 330, the reducer 340, the bolt 360 and the packing 350 are assembled as shown in FIG. 14, the male screw 331 of the body 330 may be replaced with a spanner as shown in FIG. After the tool is firmly fixed to the T-shaped or L-shaped connector 10, the bolt 360 is rotated in an appropriate direction so that the reducer 340 is moved in the direction of the arrow with respect to the body 330 as shown in FIG. 15. The stretcher 340 is stretched to an appropriate length.

Therefore, in the case of using the method shown in Figs. 15 and 16, even if the distance from the fire extinguishing water supply pipe 1 fixed to the building ceiling 3 with the bracket 4 to the indoor ceiling board 2 differs from building to building, The invention is applicable to any building by adjusting the reducer 340 to stretch downward or contract upward by turning the bolt 360.

In addition, even if the assembly is completed as shown in Figure 16 is supplied with the supply water for extinguishing there is no fear of leakage to the outside of the reducer 340 due to the packing (350).

Therefore, the sprinkler connecting device according to the fourth embodiment of the present invention rotates the bolt 360 mounted on the outside of the body 330 and the reducer 340 to allow the reducer 340 to stretch in the vertical direction. By adopting the rotation method, the worker can quickly and easily connect the sprinkler.

17 is an exploded perspective view of the sprinkler connecting device according to the fifth embodiment of the present invention. In FIG. 17, the same reference numerals as those of the first to fourth embodiments represent the same parts. Detailed description will be omitted.

As can be seen in FIG. 17, the body 430 is formed with a male screw 431 screwed to the connector 10, at least two grooves 433 are formed at an outer lower portion thereof, and a reducer ( 440 is a male screw 441 is formed on the outer periphery, the insulating ring 443 is located on the upper side, the groove 433 of the body 430 is supplied to the sprinkler 20 through the reducer 440. At least two or more packings 450 are inserted to prevent leakage of the supplied water.

In addition, one side of the c-shaped support 460 having two through holes 460a and 460b is fixed to the body 430 and the body 430 is penetrated through the through hole 460a. A female screw 471 to which the male screw 441 of 440 is screwed is formed on the inner side, and an adjusting nut 470 having a locking groove 472 is penetrated outside of the c-shaped support 460. It was inserted into the ball 460b to be rotatably fixed by the C-ring 480.

On the other hand, the outer periphery of the adjustment nut 470 is inserted into the clamper 491 of the tightening mechanism 490 to rotate the adjustment nut 470 relative to the reducer 440 to allow the reducer 440 to stretch. The groove 473 is provided.

As shown in the assembled state of the fifth embodiment of the present invention configured as described above, first, the packing 450 is seated in the groove 433 formed in the lower portion of the body 430, and then the adjusting nut 470 is lower than the support 460. Insert the bottom of the opening 460b and then insert the C-ring 480 into the locking groove 472 so that the adjusting nut 470 does not escape from the lower opening 460b of the support 460.

Then, the reducer 440 is screwed from the lower side of the adjusting nut 470, and an insulating ring 443 is placed on the top of the reducer 440. Thereafter, the lower portion of the body 430 in which the packing 450 is inserted is inserted into the upper opening 460a of the support 460, and then the portion W0 is fixed by a suitable method (for example, welding) as shown in FIG. Assembly is complete.

As shown in FIG. 18, when the body 430, the reducer 440, the support 460, the adjustment nut 470, and the packing 450 are assembled, the male screw 431 of the body 430 is removed from FIG. 19. By using a suitable tool such as a spanner to secure the T-shaped or L-shaped connector 10 securely, and then using a separate tightening mechanism 490 by rotating the adjustment nut 470 in the proper direction to reduce the reducer ( 440 is extended to a suitable length in the direction of the arrow as shown in Figure 19 with respect to the body 430 so that the reducer 440 is extended.

Therefore, in the case of using the method shown in FIG. 19 and FIG. 20, even if the distance from the fire-extinguishing water supply pipe 1 fixed by the bracket 4 to the building ceiling 3 to the indoor ceiling board 2 differs from building to building, The invention is applicable to any building by adjusting the reducer 440 to extend downward or contract upward by turning the adjustment nut 470.

In addition, even if the assembly is completed, as shown in Figure 20 is supplied with the extinguishing water supply is no fear of leakage to the outside of the reducer 440 due to the packing 450.

Therefore, the sprinkler connecting device according to the fifth embodiment of the present invention adopts a nut rotating method in which the reducer 440 is stretched in the vertical direction by rotating the adjusting nut 470, so that the operator can quickly connect the sprinkler. You can do it easily.

21 is an exploded perspective view of the sprinkler connecting device according to the sixth embodiment of the present invention. In FIG. 21, the same reference numerals as in the fifth embodiment show the same parts, and thus, detailed description thereof will be given. Omit.

As can be seen in Figure 21 the body 530 is a male screw 531 is screwed to the connection pipe 10 is formed, at least two or more grooves 533 is formed on the outer lower, the reducer ( 540 is a male screw 541 is formed on the outer periphery, the insulating ring 543 is located on the upper portion, the groove 533 of the body 530 through the reducer 540 to the sprinkler head 20 At least two or more packings 550 are inserted to prevent leakage of the supplied water.

In addition, a female screw 571, in which the male screw 541 of the reducer 540 is screwed, is formed at an inner side thereof, and an fixing ring 560 is provided at an adjustment nut 570 provided with a locking groove 572 at the outside thereof. The locking groove 572 and the flow preventing washer 581 and the C-ring 582 are rotatably fixed to each other, and a separate tightening mechanism (not shown but not shown) is formed on the outer circumference of the fixing ring 560. A plurality of insertion grooves 563 are provided so that the reducer 540 is stretched by rotating the adjustment nut 570 in a state where the clamper of 590 is inserted and fixed to the adjustment nut 570. It is.

In the sixth embodiment configured as described above, the reducer 540 is stretchable in the vertical direction by rotating the adjusting nut 570 in a state in which the fixing ring 560 is fixedly held.

Therefore, in the case of using the method shown in Figs. 21 to 24, even if the distance from the fire extinguishing water supply pipe 1 fixed with the bracket 4 to the building ceiling 3 to the indoor ceiling board 2 varies from building to building, The invention is to adjust the reducer 540 to extend downward or contract upward by turning the adjusting nut 570 using the tightening mechanism 590 while the fixing ring 560 is gripped with a suitable tool. It can be applied to any building.

In addition, even if the assembly is completed, as shown in Figure 24 is supplied with a fire extinguishing water supply there is no fear of leakage to the outside of the reducer 540 due to the packing 550.

Therefore, the sprinkler connection device according to the sixth embodiment of the present invention uses a nut rotation method such that the reducer 540 is stretched in the vertical direction by rotating the adjustment nut 570 in a state of firmly holding the fixing ring 560. This allows the operator to quickly and easily connect the sprinkler.

25 and 26 show another modified example of the body used in the present invention, which can be applied to the sixth embodiment without requiring a separate L-shaped connecting pipe 10.

Referring to FIG. 25, the body 600 is mounted between the fire extinguishing water supply pipe 1 and the sprinkler head 20 horizontally installed on the ceiling of the building, and is adjustable to suit the height between the indoor ceiling of the building. At least two grooves 601 into which at least two packings 650 are inserted are formed, and at the other side, an L-shaped body 600 provided with grooves 602 for inserting the packing 610 and a locking protrusion 603. to be.

In the groove 602 of the body 600, a packing 610 is placed, and a connecting socket 620 having an inner screw 621 and an outer screw 622 screwed to the steel pipe 1 is placed and packed. 610 and the other side of the body 600 is wrapped by the insulating ring 630 and then assembled by screwing the tightening nut 640 to the connecting socket 620, referring to Figures 24 and 26, Figure 24 The reducer 540 and the adjustment nut 570 shown in FIG. Can be applied to the same as in FIG. 26.

As described above, the present invention is a very useful invention that can quickly and easily mount a sprinkler installed in a ceiling space to extinguish a fire occurring in a building at an appropriate position of the ceiling.

Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited thereto, but many variations and modifications may be made within the scope of the following claims.

Claims (10)

T-shaped or L-shaped connecting pipe (10) mounted on the fire extinguishing steel pipe (1) installed on the ceiling of the building, and is mounted between the sprinkler head 20 between the connecting pipe (10) and the indoor ceiling of the building On sprinkler connections that can be adjusted to fit height: The male screw 31 is screwed to the connection pipe 10 is formed, the male screw 32 is formed on the outer lower portion, the horizontal groove 33 is formed on the inner side of the hollow, the horizontal groove 33 Upper and lower sides of the body 30 having two vertical grooves 34a and 34b spaced apart from each other by 90 °; In order to be able to move up and down in the longitudinal direction of the body 30 to correspond to the height of the ceiling, a plurality of engaging grooves 41 are formed on the outer periphery at regular intervals, the outer upper end of the vertical grooves ( After inserting through 34b), it is provided with two guide protrusions 42 which are rotated by 90 ° along the horizontal groove 33, and can be elevated through the vertical groove 34a, and the sprinkler head 20 is provided at the lower end thereof. Reducer 40 is fixedly connected; And A catch formed on the outer circumference of the reducer 40, the inner side of which is positioned below the body 30 by a fastening nut 60 screwed to a male screw 32 formed on an outer lower portion of the body 30. Consists of the packing 50 to be elastically inserted into the groove 41 and at the same time to prevent leakage of the feed water supplied to the sprinkler 20 through the reducer 40; The reducer 40 is sprinkler-connected, characterized in that the elasticity of the packing 50 and the locking groove 41 can be stretched in a push-pull manner along the longitudinal direction of the body 30. Device. delete delete The T-type or L-type connecting pipe 10 mounted on the fire extinguishing steel pipe 1 installed horizontally on the ceiling of the building and the sprinkler head 20 are mounted between the connecting pipe 10 and the building. In the sprinkler connector which is adjustable to the height between the indoor ceilings: The male screw 231 is screwed to the connecting pipe 10 is formed, a plurality of engaging grooves 232 are formed at a predetermined interval on the outside, at least two or more grooves ( 233 and the body 230 is formed; At least two stop clamps 241 are fixed to the outside by screws 242 so as to be able to elevate in the longitudinal direction of the body 230 to correspond to the height of the ceiling, and an insulating ring 243 is provided on the top thereof. Positioned reducer 240; And Is composed of at least two or more packings 250 to be elastically inserted into the groove 233 of the body 230 to prevent the leakage of the supply water supplied to the sprinkler 20 through the reducer 240 ; The reducer 240 is sprinkler characterized in that the elasticity of the stop clamp 241 and the locking groove 232 can be stretched in a push-pull manner along the longitudinal direction of the body 230. Connector. The T-type or L-type connecting pipe 10 mounted on the fire extinguishing steel pipe 1 installed horizontally on the ceiling of the building and the sprinkler head 20 are mounted between the connecting pipe 10 and the building. In the sprinkler connector which is adjustable to the height between the indoor ceilings: A male screw 331 is formed to be screwed to the connecting pipe 10, and a fixing stand 332 having a bolt hole 332a is formed at an outer upper portion thereof, and at least two grooves 333 are formed at an outer lower portion thereof. A formed body 330; In order to be able to move up and down in the longitudinal direction of the body 330 to correspond to the height of the ceiling, a fixing stand 341 having an opening 341a is formed in the outer lower portion, the upper portion of the insulating ring 343 is located A dusher 340; And Is composed of at least two or more packings 350 to be elastically inserted into the groove 333 of the body 330 to prevent leakage of the supply water supplied to the sprinkler 20 through the reducer 340, ;  The opening 341a formed in the fixing stand 341 of the reducer 340 passes through the bolt 360 so that the screw 361 of the bolt 360 is formed in the fixing hole 332 of the body 330. 332a) is screwed to the C-ring (362) by rotating the bolt (360) by the sprinkler connecting device, characterized in that the reducer (340) is stretchable along the longitudinal direction of the body (330). The T-type or L-type connecting pipe 10 mounted on the fire extinguishing steel pipe 1 installed horizontally on the ceiling of the building and the sprinkler head 20 are mounted between the connecting pipe 10 and the building. In the sprinkler connector which is adjustable to the height between the indoor ceilings: A male screw 431 screwed to the connecting pipe 10, and a body 430 having at least two grooves 433 formed at an outer lower portion thereof; A male screw 441 is formed at an outer circumference thereof and a reducer 440 having an insulating ring 443 at an upper end thereof so as to be movable in a longitudinal direction of the body 430 so as to correspond to a height of a ceiling; At least two packings 450 are elastically inserted into the recesses 433 of the body 430 to prevent leakage of the supply water supplied to the sprinkler 20 through the reducer 440. ;  One side of the c-shaped support 460 having two through holes 460a and 460b is fixed to the body 430 and the body 430 passes through the through hole 460a; A female screw 471 is formed on the inner side of the male screw 441 of the reducer 440, and an adjusting nut 470 having a locking groove 472 is provided on the outside of the c-shaped supporter ( Inserted into the through hole 460b of the 460 and rotatably fixed by the C-ring 480; Sprinkler connection device, characterized in that the reducer 440 by rotating the adjustment nut (470) is stretchable along the longitudinal direction of the body (430). The outer periphery of the adjusting nut 470, A clamper 491 of a tightening mechanism 490 is inserted to rotate the adjusting nut 470 relative to the reducer 440 such that the reducer 440 is stretched along the longitudinal direction of the body 430. Sprinkler connection device characterized in that it has an insertion groove (473). The T-type or L-type connecting pipe 10 mounted on the fire extinguishing steel pipe 1 installed horizontally on the ceiling of the building and the sprinkler head 20 are mounted between the connecting pipe 10 and the building. In the sprinkler connector which is adjustable to the height between the indoor ceilings: A male screw 531 which is screwed to the connecting pipe 10 and a body 530 having at least two grooves 533 formed at an outer lower portion thereof; A male screw 541 is formed on the outer periphery of the outer periphery, and an upper portion of the reducer 540 in which an insulating ring 543 is positioned to enable the elevating in the longitudinal direction of the body 530 to correspond to the height of the ceiling; And At least two packings 550 are elastically inserted into the recesses 533 of the body 530 to prevent leakage of the supply water supplied to the sprinkler 20 through the reducer 540. ; A female screw 571, in which the male screw 541 of the reducer 540 is screwed, is formed at an inner side thereof, and an fixing ring 560 is positioned at an adjustment nut 570 provided with a locking groove 572 on the outside thereof. A flow preventing washer 581 and a C-ring 582 are rotatably fixed to the locking groove 572; Sprinkler connection device characterized in that the reducer 540 is stretchable along the longitudinal direction of the body (530) by rotating the adjustment nut (570) in the state holding the fixing ring (560). delete delete

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