CN220632849U - Automatic water spraying fire extinguishing system under barrier - Google Patents
Automatic water spraying fire extinguishing system under barrier Download PDFInfo
- Publication number
- CN220632849U CN220632849U CN202321842037.XU CN202321842037U CN220632849U CN 220632849 U CN220632849 U CN 220632849U CN 202321842037 U CN202321842037 U CN 202321842037U CN 220632849 U CN220632849 U CN 220632849U
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- water distribution
- bracket
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- obstacle
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000005507 spraying Methods 0.000 title claims abstract description 16
- 230000004888 barrier function Effects 0.000 title description 9
- 239000007921 spray Substances 0.000 claims abstract description 28
- 230000001629 suppression Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The application discloses automatic water spraying fire extinguishing system under an obstacle, which comprises two spray heads, wherein a first spray head is arranged under the obstacle, and a second spray head is arranged on one side of the obstacle; the spray head also comprises a water distribution pipe for supplying water to the spray head and a bracket for supporting the water distribution pipe; the water distribution pipe comprises a water distribution main pipe and a water distribution branch pipe, the spray head is arranged on the water distribution branch pipe, and the water distribution branch pipe is communicated with the water distribution main pipe; the bracket comprises a left bracket, a right bracket, a transverse frame and a bracket quick connector; the bracket is amplified into a left bracket, a right bracket and a transverse frame, the transverse beam provides better support for the water distribution branch pipe, and the water distribution branch pipe extends to the left bracket, so that the stability of the water distribution branch pipe in water spraying is further improved.
Description
Technical Field
The utility model relates to the technical field of water spraying fire extinguishing devices, in particular to an automatic water spraying fire extinguishing system under an obstacle.
Background
Technical specifications of national standard automatic sprinkler systems GB50084-2017 provide that when the width of barriers such as beams, ventilating ducts, pipelines arranged in rows, bridges and the like is greater than 1.2m, a sprinkler head should be additionally arranged below the barriers. In the prior art, an arrangement as shown in fig. 4 is generally adopted. When the side-by-side width of the barrier 200 reaches 1.2m, the water distribution bracket 700 is installed at the outer side of the barrier bracket 300 and fixedly connected with the top plate 100 by expansion bolts. Then, the water distribution main 400 is connected with a water distribution branch pipe 600, and the spray head 500 is installed at the end of the water distribution branch pipe 600.
In general, the diameter DN25 of the water distribution branch pipe of the nozzle under the barrier is not larger than 3.5m, and the distance between the support and the end nozzle is not larger than 0.75m according to the specification of construction and acceptance specification GB50261-2017 of the automatic water spraying fire extinguishing system of the national standard. However, in practical engineering, the distance between the nozzle at the lower end of the obstacle and the bracket is more than 0.75m. If the installation structure according to fig. 4 is adopted at this time, the pipeline shakes when the spray heads spray water due to the overlarge spacing, so that the safety of the pipeline system is affected.
Disclosure of Invention
The embodiment of the utility model provides an automatic water spraying fire extinguishing system under an obstacle, which ensures that the water spraying fire extinguishing system is more stable.
The automatic water spraying fire extinguishing system under the obstacle comprises two spray heads, wherein the first spray head is arranged under the obstacle, and the second spray head is arranged on one side of the obstacle; the spray head also comprises a water distribution pipe for supplying water to the spray head and a bracket for supporting the water distribution pipe;
the water distribution pipe comprises a water distribution main pipe and a water distribution branch pipe, the spray head is arranged on the water distribution branch pipe, and the water distribution branch pipe is communicated with the water distribution main pipe;
the bracket comprises a left bracket, a right bracket, a transverse frame and a bracket quick connector;
the top ends of the left bracket and the right bracket are respectively and fixedly connected with a top plate to be installed through expansion bolts;
the bottom ends of the left bracket and the right bracket are respectively and fixedly connected with the two ends of the transverse frame;
the water distribution main pipe penetrates out of the through hole of the bracket quick connector;
the right support is provided with a mounting slot hole, and the fixed end of the support quick connector is arranged in the mounting slot hole through a connecting shaft, so that the support quick connector can rotate out of the mounting slot hole from the inside of the mounting slot hole by taking the connecting shaft as an axle center.
Wherein, the support quick-connect comprises: the device comprises a first semi-ring, a second semi-ring, an adjusting semi-ring and a screwing nut; one ends of the first semi-ring and the second semi-ring are hinged;
the other end of the first semi-ring is provided with a first connecting column;
the other end of the second semi-ring is provided with a second connecting column;
a third connecting column is arranged on the adjusting semi-ring;
the first connecting column, the second connecting column and the third connecting column form a threaded column matched with the screwing nut, and when the screwing nut is installed on the threaded column, the first semi-ring, the second semi-ring and the adjusting semi-ring are fixedly connected.
And the surfaces of the arc-shaped parts of the first connecting column, the second connecting column and the third connecting column are provided with threads.
The distance between the first spray head and the left bracket or the right bracket is smaller than 0.75m.
The tail ends of the left bracket and the right bracket are provided with lantern rings for fixing the water distribution branch pipes.
The surface of the left support and the surface of the right support are provided with a plurality of mounting holes, and the mounting holes are bar-shaped holes.
The distance between the second spray head and the top plate to be installed is larger than 0.3m.
The embodiment of the utility model provides an automatic water spraying fire extinguishing system under an obstacle, which expands brackets into a left bracket, a right bracket and a transverse frame, wherein the transverse frame provides better support for a water distribution branch pipe, and the water distribution branch pipe extends to the left bracket, so that the stability of the water distribution branch pipe in water spraying is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a quick connector for a bracket according to the present utility model;
FIG. 3 is a schematic view of the structure of the bracket quick connector and the right bracket of the present utility model;
fig. 4 is a schematic diagram of a prior art structure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1-3, an embodiment of the present utility model provides an automatic fire extinguishing system for spraying water under an obstacle, which includes two spray heads, and a first spray head 1 is disposed under the obstacle 10. The barrier 10 may be an air duct or a smoke exhaust duct, a side-by-side duct, or the like. The second nozzle 2 is arranged on one side of the barrier 10 and comprises a water distribution pipe for supplying water to the nozzle and a bracket for supporting the water distribution pipe.
The water distribution pipe comprises a water distribution main pipe 3 and a water distribution branch pipe 4, the spray head is arranged on the water distribution branch pipe 4, and the water distribution branch pipe 4 is communicated with the water distribution main pipe 3. The main water distribution pipe 3 is used for supplying water for a plurality of branch water distribution pipes 4. In general, the water distribution main 4 is fixed on the top plate 20 to be installed through hanging rings.
The bracket comprises a left bracket 5, a right bracket 6, a transverse frame 7 and a bracket quick connector 8.
The top ends of the left bracket 5 and the right bracket 6 are respectively and fixedly connected with the top plate 20 to be installed through expansion bolts, so that the brackets are fixed on the top plate 20 to be installed.
The bottom ends of the left bracket 5 and the right bracket 6 are respectively fixedly connected with the two ends of the transverse frame 7. The fixed connection mode can be the existing connection modes such as welding, bolt connection and the like. The person skilled in the art can choose appropriately according to the circumstances.
The water distribution main pipe 3 penetrates out of the through hole of the bracket quick connector 8. The bracket quick connector 8 plays a role in fixing the water distribution main pipe 3 to a certain extent, and can further reduce shaking of the water distribution branch pipe 4 during water spraying.
The right support 6 is provided with a mounting slot 601, the fixed end of the support quick connector 8 is mounted in the mounting slot 601 through a connecting shaft 602, so that the support quick connector 8 can rotate out of the mounting slot 601 from the mounting slot 601 by taking the connecting shaft 602 as an axle center, the support quick connector 8 can be used for position adjustment, and the support quick connector is convenient to be inserted into a through hole of the support quick connector 8 due to dead weight bending in a pipe distribution process.
The bracket quick connector 8 comprises: a first half ring 80, a second half ring 81, a regulating half ring 82 and a screwing nut 83; one ends of the first half ring 80 and the second half ring 81 are hinged;
the other end of the first half ring 80 is provided with a first connecting post 84;
the other end of the second semi-ring 81 is provided with a second connecting column 85;
a third connecting post 86 is arranged on the adjusting semi-ring 82;
the first connecting post 84, the second connecting post 85, and the third connecting post 86 form a threaded post adapted to the screwing nut 83, and when the screwing nut 83 is mounted on the threaded post, the first half ring 80, the second half ring 81, and the adjusting half ring 82 are fixedly connected.
The arc-shaped surfaces of the connecting column 84, the second connecting column 85 and the third connecting column 86 are provided with threads, so that the connecting column 84, the second connecting column 85 and the third connecting column 86 are combined to form a threaded column for being matched with the screwing nut 83. By adjusting the height of the third connecting post 86 relative to the first connecting post 84, the bracket quick connector 8 can be adapted to a plurality of diameters of the main water distribution pipe 3.
The distance N between the first spray head 1 and the left bracket 5 or the right bracket 6 is smaller than 0.75m. The distance between the second spray head 2 and the top plate 20 to be installed is larger than 0.3m.
The end of the left bracket 5 and the end of the right bracket 6 are provided with a lantern ring for fixing the water distribution branch pipe 4, so that the water distribution branch pipe 4 is positioned on the transverse frame 7, the transverse frame 7 provides a certain supporting force for the water distribution branch pipe 4, and shaking during water spraying is further reduced. The collar is in the shape of a circular hole for facilitating the passage of the water distribution manifold 4, and is therefore not shown in the figures, and can be made according to the prior art by a person skilled in the art.
The surfaces of the left bracket 5 and the right bracket 6 are provided with a plurality of mounting holes, and the mounting holes are bar-shaped holes. The arrangement of the mounting holes is used for mounting other reinforcing structures for reinforcing the water distribution branch pipes 4 on the left bracket 5 and the right bracket 6 when certain specific requirements are met, so that the overall stability is stronger. The specific size of mounting hole designs according to actual conditions can, adopts the bar hole to be the fine setting of the time interval of being convenient for installation more for the suitability is stronger. The structural shape of the mounting hole is not shown in the drawings and will not be described in detail.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The automatic water spraying fire extinguishing system under the obstacle comprises two spray heads, wherein the first spray head is arranged under the obstacle, and the second spray head is arranged on one side of the obstacle; the spray head is characterized by also comprising a water distribution pipe for supplying water to the spray head and a bracket for supporting the water distribution pipe;
the water distribution pipe comprises a water distribution main pipe and a water distribution branch pipe, the spray head is arranged on the water distribution branch pipe, and the water distribution branch pipe is communicated with the water distribution main pipe;
the bracket comprises a left bracket, a right bracket, a transverse frame and a bracket quick connector;
the top ends of the left bracket and the right bracket are respectively and fixedly connected with a top plate to be installed through expansion bolts;
the bottom ends of the left bracket and the right bracket are respectively and fixedly connected with the two ends of the transverse frame;
the water distribution main pipe penetrates out of the through hole of the bracket quick connector;
the right support is provided with a mounting slot hole, and the fixed end of the support quick connector is arranged in the mounting slot hole through a connecting shaft, so that the support quick connector can rotate out of the mounting slot hole from the inside of the mounting slot hole by taking the connecting shaft as an axle center.
2. An under-obstacle automatic sprinkler system as claimed in claim 1, wherein said bracket quick connector comprises: the device comprises a first semi-ring, a second semi-ring, an adjusting semi-ring and a screwing nut; one ends of the first semi-ring and the second semi-ring are hinged;
the other end of the first semi-ring is provided with a first connecting column;
the other end of the second semi-ring is provided with a second connecting column;
a third connecting column is arranged on the adjusting semi-ring;
the first connecting column, the second connecting column and the third connecting column form a threaded column matched with the screwing nut, and when the screwing nut is installed on the threaded column, the first semi-ring, the second semi-ring and the adjusting semi-ring are fixedly connected.
3. The fire suppression system for automatic sprinkler under an obstacle according to claim 2, wherein the arcuate surfaces of the first, second and third connecting posts are provided with threads.
4. A fire suppression system for automatic sprinkler under an obstacle according to claim 3, wherein the first sprinkler head is spaced less than 0.75m from either the left or right leg.
5. An under-obstacle automatic fire suppression system as claimed in claim 4 wherein said left and right brackets are provided at their ends with collars for securing water distribution manifolds.
6. The automatic fire sprinkler system under an obstacle according to claim 5, wherein the surfaces of the left bracket and the right bracket are provided with a plurality of mounting holes, and the mounting holes are bar-shaped holes.
7. An under-obstacle automatic fire suppression system as claimed in claim 6 wherein said second sprinkler is spaced from the roof to be installed by more than 0.3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842037.XU CN220632849U (en) | 2023-07-13 | 2023-07-13 | Automatic water spraying fire extinguishing system under barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842037.XU CN220632849U (en) | 2023-07-13 | 2023-07-13 | Automatic water spraying fire extinguishing system under barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220632849U true CN220632849U (en) | 2024-03-22 |
Family
ID=90296803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321842037.XU Active CN220632849U (en) | 2023-07-13 | 2023-07-13 | Automatic water spraying fire extinguishing system under barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220632849U (en) |
-
2023
- 2023-07-13 CN CN202321842037.XU patent/CN220632849U/en active Active
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