CN212016533U - Fire-fighting spray device for building - Google Patents

Abstract

The utility model discloses a fire-fighting spray device for buildings, which comprises an installation pipe, wherein the lower part of the installation pipe is fixedly connected with a flow expansion pipe, and a compression spring and a first water retaining disc are arranged inside the flow expansion pipe; the lower part of the flow expansion pipe is fixedly connected with a water delivery pipe; a flow guide pipe and a flow guide hole are arranged at the lower part of the first water retaining disc; a water spray pipe is arranged at the lower part of the water delivery pipe, an installation disc and a first U-shaped installation frame are fixedly connected to the lower part of the water spray pipe, and a second water retaining disc is arranged at the upper part of the first U-shaped installation frame; the lower part of the first U-shaped mounting frame is provided with a fixed pipe, the lower part of the second water retaining disc is provided with a glass ball, the lower part of the fixed pipe is provided with a splash disc, and the center of the splash disc is provided with a second water spray hole. Fire-fighting sprinkler for building, can conveniently change the glass spheroid, and can make the water source spray the below of splash box.

Description

Fire-fighting spray device for building

Technical Field

The utility model relates to a fire-fighting equipment technical field especially relates to a fire control spray set for building.

Background

In high-rise buildings, fire-fighting sprinkler devices belong to indispensable fire-fighting equipment. The fire-fighting sprinkler induces the liquid with high expansion coefficient in the glass sphere to expand through the rise of the temperature around the sprinkler head when a fire breaks out until the glass sphere is broken, thereby opening the water outlet of the sprinkler head to start spraying water for fire extinguishing. The spraying device in the prior art has certain defects in the use process:

(1) the glass ball of the spraying device needs to be regularly checked and replaced after being installed, and the situation that the spraying head is accidentally opened due to the fact that the glass ball is broken under the condition that a non-dangerous situation occurs, and water leakage and unnecessary loss are caused is avoided. The spray set of prior art need dismantle whole shower head when changing the glass spheroid, and the operation is comparatively loaded down with trivial details, and need close the fire control water supply pipeline of whole floor to prevent that the hourglass water from taking place.

(2) When a dangerous case occurs, after the spraying device is started, the water source can hit the splash pan and then spray all around, but can not spray the lower part of the splash pan, so that the problem of uneven spraying exists, and the danger of incomplete fire extinguishment can exist.

SUMMERY OF THE UTILITY MODEL

In order to remedy the defects of the prior art, the utility model provides a fire-fighting sprinkler for building, which can conveniently change the glass ball body and can spray the water source to the lower part of the splash plate to solve the problems existing in the prior art.

The utility model discloses a realize through following technical scheme:

a fire-fighting spray device for buildings comprises an installation pipe, wherein a first internal thread is arranged on the inner wall of the upper part of the installation pipe, and a first positioning clamping ring is arranged on the inner wall of the lower part of the installation pipe; the lower part of the mounting pipe is fixedly connected with a flow expansion pipe, and the cross section of the side surface of the flow expansion pipe is elliptical; a compression spring and a first water retaining disc are respectively arranged in the flow expansion pipe from top to bottom; the top of the compression spring is abutted against the first positioning snap ring, and the bottom of the compression spring is abutted against the first water retaining disc; the lower part of the flow expansion pipe is fixedly connected with a water delivery pipe, and a second internal thread is arranged on the inner wall of the water delivery pipe; the outer diameter of the first water retaining disc is larger than the inner diameter of the water delivery pipe, a flow guide pipe is arranged at the lower part of the first water retaining disc, the outer diameter of the flow guide pipe is equal to the inner diameter of the water delivery pipe, and the flow guide pipe is movably arranged on the water delivery pipe; a plurality of flow guide holes are formed in the side wall of the flow guide pipe;

a water spray pipe is arranged at the lower part of the water delivery pipe, a first external thread corresponding to the second internal thread is arranged on the outer wall of the water spray pipe, and the water spray pipe is movably arranged on the water delivery pipe through the first external thread; the top of the water spraying pipe is abutted against the bottom of the flow guide pipe; the lower part of the water spray pipe is fixedly connected with an installation disc, a first water spray hole is formed in the installation disc, and the first water spray hole is communicated with the water spray pipe; a second positioning clamping ring is arranged on the inner wall of the first water spraying hole; a second water retaining disc is movably mounted on the first water spraying hole and is abutted against a second positioning clamping ring, and a fixing hole is formed in the center of the bottom wall of the second water retaining disc; a first U-shaped mounting frame is arranged at the lower part of the mounting disc, a positioning pipe is arranged at the lower part of the first U-shaped mounting frame, and a third internal thread is arranged on the inner wall of the positioning pipe;

a fixed pipe is arranged at the lower part of the first U-shaped mounting rack, second external threads corresponding to the third internal threads are arranged on the outer wall of the fixed pipe, and the fixed pipe is movably arranged on the positioning pipe through the second external threads; a glass sphere is arranged at the lower part of the second water retaining plate, and liquid with high thermal expansion coefficient is filled in the glass sphere; the upper part of the glass sphere is abutted against the fixing hole, and the lower part of the glass sphere is abutted against the fixing pipe; the lower part of the fixed pipe is provided with a splash disc, the center of the splash disc is provided with a second water spray hole, and the second water spray hole is communicated with the fixed pipe.

Further optimally, a positioning chuck is arranged at the upper part of the first water retaining disc, and the lower part of the compression spring is sleeved on the positioning chuck.

Further optimally, the diversion holes are all long-strip-shaped and are uniformly distributed on the side wall of the diversion pipe in the circumferential direction.

Preferably, the mounting plate has a regular hexagonal cross-sectional shape in plan view.

Further optimally, a first chamfer is arranged on the bottom wall of the fixing hole.

Further preferably, a second chamfer is provided on the top wall of the fixed tube.

Preferably, the water blocking block is arranged at the upper part of the second water blocking disc, is conical and extends to the interior of the water spraying pipe.

Preferably, a second U-shaped mounting frame is arranged at the lower part of the splash pan, a flow guide block is arranged at the lower part of the second U-shaped mounting frame, the flow guide block is conical, and the position of the flow guide block corresponds to the position of the second water spray hole.

The utility model has the advantages that:

(1) through setting up first manger plate dish, can plug up the water source in the spray set to when changing the glass spheroid, need not to dismantle whole shower head, and need not to close the intraformational fire control supply channel of building, it is comparatively convenient to operate.

(2) Through setting up fixed pipe and set up the second hole for water spraying on the dish that dabbles, make the water source spray the below of dish that dabbles to it is more even to make, reduces to put out a fire the not thorough condition and takes place.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic side perspective structure view of the present invention.

Fig. 3 is a schematic view of the perspective structure of the present invention in a spraying state.

Fig. 4 is a perspective schematic view of the water spraying pipe of the present invention after being disassembled.

Fig. 5 is a schematic view of the three-dimensional structure of the middle mounting tube of the present invention.

Fig. 6 is a schematic perspective view of the middle flow guide tube of the present invention.

Fig. 7 is a schematic perspective view of a second water retaining plate according to the present invention.

Fig. 8 is a schematic perspective view of the sprinkler pipe and the first U-shaped mounting bracket according to the present invention.

Fig. 9 is a schematic view of the upper structure of the middle splash plate of the present invention.

Fig. 10 is a schematic view of the lower structure of the middle splash plate of the present invention.

In the figure, 1, a pipe is installed; 11. a first internal thread; 12. a first positioning snap ring; 13. a flow expansion pipe; 14. a compression spring; 15. a water delivery pipe; 16. a second internal thread;

2. a first water retaining disc; 21. a flow guide pipe; 22. a flow guide hole; 23. positioning the chuck;

3. a water spray pipe; 31. a first external thread; 32. mounting a disc; 33. a first water spray hole; 34. a second positioning snap ring; 35. a second water retaining disc; 36. a fixing hole; 37. a first U-shaped mounting bracket; 38. a positioning tube; 39. a third internal thread;

4. a fixed tube; 41. a second external thread; 42. a splash pan; 43. a second water jet hole; 44. a second U-shaped mounting bracket; 45. a flow guide block;

5. a glass sphere; 51. a first chamfer; 52. a second chamfer; 53. and (7) a water retaining block.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1-10, the embodiment discloses a fire-fighting sprinkler device for building, which comprises a mounting pipe 1 (as shown in fig. 5), wherein a first internal thread 11 is arranged on the inner wall of the upper part of the mounting pipe 1 for connecting with a fire-fighting water supply pipeline. A first positioning snap ring 12 (shown in fig. 2) is arranged on the inner wall of the lower part of the installation pipe 1. The lower part of the installation pipe 1 is fixedly connected with a flow expansion pipe 13, and the cross section of the side surface of the flow expansion pipe 13 is oval in shape and used for increasing the flow of a water source. A compression spring 14 and a first water retaining disc 2 are respectively arranged in the flow expansion pipe 13 from top to bottom; the top of the compression spring 14 is abutted against the first positioning snap ring 12, the bottom of the compression spring is abutted against the first water retaining disc 2, and the compression spring 14 elastically contracts through the first positioning snap ring 12 and the first water retaining disc 2. A water delivery pipe 15 is fixedly connected to the lower part of the flow expansion pipe 13, and a second internal thread 16 is arranged on the inner wall of the water delivery pipe 15. The outer diameter of the first water retaining disc 2 is larger than the inner diameter of the water delivery pipe 15, so that the first water retaining disc 2 can block the water delivery pipe 15, and a water source cannot flow out through the water delivery pipe 15. A draft tube 21 (as shown in fig. 6) is disposed at a lower portion of the first water blocking plate 2, an outer diameter of the draft tube 21 is equal to an inner diameter of the water pipe 15, and the draft tube 21 is movably mounted on the water pipe 15 and can move vertically along the water pipe 15. The side wall of the draft tube 21 is provided with a plurality of diversion holes 22, so that the water source in the flow expansion tube 13 flows into the water delivery tube 15 through the diversion holes 22.

The lower part of the water delivery pipe 15 is provided with the water spray pipe 3, the outer wall of the water spray pipe 3 is provided with a first external thread 31 corresponding to the second internal thread 16, and the water spray pipe 3 is movably arranged on the water delivery pipe 15 through the first external thread 31, so that the water spray pipe 3 and the water delivery pipe 15 are installed and disassembled in a threaded connection mode. The top of the spray pipe 3 is abutted against the bottom of the guide pipe 21, when the spray pipe 3 is installed on the water pipe 15, the spray pipe 3 supports the guide pipe 21, so that the first water retaining disc 2 is higher than the water pipe 15, and a water source can flow into the water pipe 15 through the guide holes 22 for spraying; when the spray pipe 3 is dismantled from the raceway 15, first manger plate 2 loses the supporting role, moves down to cover on the raceway 15, make the water source can't flow into in the raceway 15, thereby can dismantle spray pipe 3, and can not make the water source spray to the outside at the dismantlement process. The lower part of the spray pipe 3 is fixedly connected with a mounting disc 32, and the spray pipe 3 can be conveniently rotated by using a tool or manually by rotating the mounting disc 32 for mounting and dismounting. The mounting plate 32 is provided with a first water spraying hole 33, and the first water spraying hole 33 is communicated with the water spraying pipe 3, so that the water source is sprayed outwards through the first water spraying hole 33. A second positioning snap ring 34 is arranged on the inner wall of the first water spraying hole 33; a second water stop disc 35 is movably mounted on the first water spraying hole 33 and used for blocking the first water spraying hole 33 and preventing a water source from spraying out. The second water retaining disc 35 abuts against the second positioning snap ring 34, and the top of the second water retaining disc 35 is positioned through the second positioning snap ring 34. A fixing hole 36 is formed in the center of the bottom wall of the second water blocking plate 35. A first U-shaped mounting bracket 37 (shown in fig. 8) is arranged at the lower part of the mounting plate 32, a positioning tube 38 is arranged at the lower part of the first U-shaped mounting bracket 37, and a third internal thread 39 is arranged on the inner wall of the positioning tube 38.

The lower part of the first U-shaped mounting frame 37 is provided with a fixed pipe 4, the outer wall of the fixed pipe 4 is provided with a second external thread 41 corresponding to the third internal thread 39, and the fixed pipe 4 is movably mounted on the positioning pipe 38 through the second external thread 41, so that the installation and the disassembly are convenient. The lower part of the second water retaining disc 35 is provided with a glass sphere 5, and the glass sphere 5 is filled with liquid with high thermal expansion coefficient and used for expanding after being heated so as to break the glass sphere. The upper portion of the glass sphere 5 abuts against the fixing hole 36, the lower portion of the glass sphere abuts against the fixing tube 4, the glass sphere 5 is fixed through the fixing hole 36 and the fixing tube 4, the glass sphere 5 supports the second water retaining disc 35, and a water source cannot be sprayed to the outside. A splash plate 42 (shown in fig. 9-10) is provided at the lower portion of the fixed pipe 4 for spraying water around. The center of the splash plate 42 is provided with a second water spraying hole 43, the second water spraying hole 43 is communicated with the fixed pipe 4, when the glass ball 5 is broken, a water source is sprayed out through the first water spraying hole 33, a part of the water source is beaten on the splash plate 42, and the other part of the water source is sprayed to the lower part of the splash plate 42 through the fixed pipe 4 and the second water spraying hole 43, so that the spraying is more uniform, and the occurrence of incomplete fire extinguishing is reduced.

The utility model discloses a theory of operation is:

(1) when a dangerous situation occurs, the glass spheres 5 are heated and broken, so that the second water stopping disc 35 loses the supporting function and falls. The water source in the installation pipe 1 passes through the diffuser pipe 13, the diversion holes 22 and the spray pipe 3 in sequence and then is sprayed out (as shown in figure 3). Because the side section shape of the flow expansion pipe 13 is oval, the flow of a water source can be increased, and the flow guide effect can be achieved, so that water flows into the flow guide hole 22 along the arc-shaped inner wall of the flow expansion pipe 13, and the blocking effect of the first water retaining disc 2 on the water flow is reduced. After the water flow is sprayed out, the water flow is respectively hit on the splash pan 42 and is sprayed to the periphery, and the water flow is sprayed to the lower part of the splash pan 42 through the fixed pipe 4 and the second water spray holes 43, so that a fire source right below the spraying device is extinguished.

(2) When the glass ball 5 needs to be disassembled for maintenance, the mounting disc 32 is rotated to disassemble the spray pipe 3, the guide pipe 21 loses the supporting effect of the spray pipe 3, the first water retaining disc 2 covers the water pipe 15 under the pushing effect of water flow and the pushing effect of the reset of the compression spring 14, and drives the guide pipe 21 to move downwards, so that a water source cannot flow outwards (as shown in fig. 4), and the disassembly of the spray pipe 3 is completed without closing a fire-fighting water supply pipeline in a building. After the spout 3 is removed, the splash plate 42 is rotated to remove the fixed pipe 4 from the positioning pipe 38, and the glass sphere 5 can be removed for maintenance or replacement.

As a preferred embodiment, a positioning chuck 23 (as shown in fig. 6) is disposed on the upper portion of the first water blocking plate 2, the lower portion of the compression spring 14 is sleeved on the positioning chuck 23, and the positioning chuck 23 fixes the lower portion of the compression spring 14, so as to prevent the compression spring 14 from generating angular offset.

In a preferred embodiment, the diversion holes 22 are all elongated (as shown in fig. 6) and are uniformly distributed on the sidewall of the diversion pipe 21 in the circumferential direction, so as to increase the flow rate of the water source flowing into the diversion pipe 21.

In a preferred embodiment, the mounting plate 32 has a regular hexagonal cross-sectional shape (as shown in fig. 8) in plan view, which facilitates rotation of the mounting plate 32 by a tool or by hand.

In a preferred embodiment, a first chamfer 51 (shown in fig. 7) is provided on the bottom wall of the fixing hole 36, so that the bottom wall of the fixing hole 36 can better contact with the top of the glass sphere 5, and the glass sphere 5 can be fixed conveniently.

As a preferred embodiment, a second chamfer 52 (as shown in fig. 9) is provided on the top wall of the fixed tube 4, so that the top wall of the fixed tube 4 can better contact with the bottom of the glass sphere 5, and the glass sphere 5 can be conveniently fixed.

In a preferred embodiment, a water stop 53 (shown in fig. 7) is disposed on the upper portion of the second water stop plate 35, the water stop 53 is conical and extends into the water spray pipe 3, the water stop 53 can increase the contact area with the water flow, and when the glass sphere 5 is broken, the water flow pushes the second water stop plate 35 to drop downwards, so that the water flow is rapidly sprayed outwards.

In a preferred embodiment, a second U-shaped mounting bracket 44 is disposed at the lower portion of the splash pan 42, a deflector block 45 (as shown in fig. 10) is disposed at the lower portion of the second U-shaped mounting bracket 44, the deflector block 45 is conical, and the deflector block 45 is located at a position corresponding to the position of the second water spraying hole 43, so that after the water is sprayed downwards from the fixed pipe 4, the water can be uniformly sprayed downwards along the inclined side wall of the deflector block 45, thereby improving the spraying efficiency.

In summary, the fire-fighting sprinkler device for buildings of the utility model does not need to disassemble the whole sprinkler head and close the fire-fighting water supply pipeline in the building when replacing the glass ball, and is convenient to operate; and the water source can be sprayed to the lower part of the water splashing disc, so that the spraying is more uniform, and the condition of incomplete fire extinguishing is reduced.

The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (8)

1. The utility model provides a fire control spray set for building, is including installation pipe (1), its characterized in that: a first internal thread (11) is arranged on the inner wall of the upper part of the mounting pipe (1), and a first positioning clamping ring (12) is arranged on the inner wall of the lower part of the mounting pipe (1); the lower part of the mounting pipe (1) is fixedly connected with a flow expansion pipe (13), and the cross section of the side surface of the flow expansion pipe (13) is oval; a compression spring (14) and a first water retaining disc (2) are respectively arranged in the flow expansion pipe (13) from top to bottom; the top of the compression spring (14) is abutted against the first positioning snap ring (12), and the bottom of the compression spring is abutted against the first water retaining disc (2); a water delivery pipe (15) is fixedly connected to the lower part of the flow expansion pipe (13), and a second internal thread (16) is arranged on the inner wall of the water delivery pipe (15); the outer diameter of the first water retaining disc (2) is larger than the inner diameter of the water pipe (15), a guide pipe (21) is arranged at the lower part of the first water retaining disc (2), the outer diameter of the guide pipe (21) is equal to the inner diameter of the water pipe (15), and the guide pipe (21) is movably arranged on the water pipe (15); a plurality of diversion holes (22) are arranged on the side wall of the diversion pipe (21);

a water spray pipe (3) is arranged at the lower part of the water delivery pipe (15), a first external thread (31) corresponding to the second internal thread (16) is arranged on the outer wall of the water spray pipe (3), and the water spray pipe (3) is movably arranged on the water delivery pipe (15) through the first external thread (31); the top of the spray pipe (3) is abutted against the bottom of the guide pipe (21); the lower part of the water spray pipe (3) is fixedly connected with an installation disc (32), a first water spray hole (33) is formed in the installation disc (32), and the first water spray hole (33) is communicated with the water spray pipe (3); a second positioning snap ring (34) is arranged on the inner wall of the first water spray hole (33); a second water retaining disc (35) is movably mounted on the first water spraying hole (33), the second water retaining disc (35) is abutted against a second positioning clamping ring (34), and a fixing hole (36) is formed in the center of the bottom wall of the second water retaining disc (35); a first U-shaped mounting rack (37) is arranged at the lower part of the mounting disc (32), a positioning pipe (38) is arranged at the lower part of the first U-shaped mounting rack (37), and a third internal thread (39) is arranged on the inner wall of the positioning pipe (38);

a fixed pipe (4) is arranged at the lower part of the first U-shaped mounting rack (37), a second external thread (41) corresponding to the third internal thread (39) is arranged on the outer wall of the fixed pipe (4), and the fixed pipe (4) is movably mounted on the positioning pipe (38) through the second external thread (41); a glass sphere (5) is arranged at the lower part of the second water retaining disc (35), and liquid with high thermal expansion coefficient is filled in the glass sphere (5); the upper part of the glass sphere (5) is abutted against the fixing hole (36), and the lower part of the glass sphere is abutted against the fixing pipe (4); a splash pan (42) is arranged at the lower part of the fixed pipe (4), a second water spraying hole (43) is arranged at the center of the splash pan (42), and the second water spraying hole (43) is communicated with the fixed pipe (4).

2. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: the upper part of the first water retaining disc (2) is provided with a positioning chuck (23), and the lower part of the compression spring (14) is sleeved on the positioning chuck (23).

3. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: the diversion holes (22) are all long strips and are uniformly distributed on the side wall of the diversion pipe (21) in the circumferential direction.

4. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: the mounting plate (32) has a regular hexagonal cross-sectional shape in plan view.

5. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: a first chamfer (51) is provided on the bottom wall of the fixing hole (36).

6. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: and a second chamfer (52) is arranged on the top wall of the fixed pipe (4).

7. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: and a water blocking block (53) is arranged at the upper part of the second water blocking disc (35), and the water blocking block (53) is conical and extends to the inside of the water spraying pipe (3).

8. A fire fighting sprinkler system for construction as set forth in claim 1, wherein: a second U-shaped mounting rack (44) is arranged at the lower part of the water splashing disc (42), a flow guide block (45) is arranged at the lower part of the second U-shaped mounting rack (44), the flow guide block (45) is conical, and the position of the flow guide block (45) corresponds to the position of the second water spraying hole (43).

Images