CN218357031U

CN218357031U - Automatic spraying system for indoor fire fighting

Info

Publication number: CN218357031U
Application number: CN202221840725.8U
Authority: CN
Inventors: 黎树坤; 黎家杭
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-24
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to the field of fire fighting equipment, in particular to an automatic spraying system for indoor fire fighting, which comprises a water pipe, a switch starting mechanism and a rotary water spraying device; the water outlet end of the water pipe is connected with the rotary water spraying device; the water pipe is provided with a switch, and the switch is connected with the switch starting mechanism. By arranging the indoor automatic spraying system for fire fighting, the fire location can be directly sprayed, enough water spraying amount is ensured, and fire is effectively and quickly extinguished; and after the rope is used once, a new rope is replaced, so that the rope can be used for the second time, and the rope is convenient and quick to use.

Description

Automatic spraying system for indoor fire fighting

Technical Field

The utility model relates to a fire-fighting equipment field especially relates to an automatic spraying system is used in indoor fire control.

Background

The automatic spraying system is used as a fixed fire-fighting facility, is generally arranged on an indoor ceiling and is mainly used for indoor fire extinguishment; when a fire disaster occurs, the automatic spraying system can automatically spray and work in linkage with other fire-fighting facilities, so that the initial fire disaster can be effectively controlled and extinguished.

However, the existing automatic spraying system has the following defects: (1) The spraying mode is usually large-range spraying with the same water amount, and the spraying mode has small water spraying amount and can not directly spray the fire position, so that the fire is not favorable for quickly and effectively extinguishing fire; (2) The existing automatic spraying system needs to replace components on the device after being used once, so that secondary use can be carried out, and the system is troublesome.

Therefore, it is necessary to provide a technical solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the secondary use is not convenient for, and providing an automatic spraying system for indoor fire fighting, which has the advantages of small water spraying amount, incapability of directly spraying the position on fire and the like in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic spraying system for indoor fire fighting is designed, and comprises a water pipe, a switch starting mechanism and a rotary water spraying device; the water pipe is fixedly arranged on the bottom surface of the floor slab or the bottom surface of the roof; the water outlet end of the water pipe is connected with a rotary water spraying device; the water pipe is provided with a switch which is connected with a switch starting mechanism.

Preferably, the switch starting mechanism comprises a tension spring, a rope and a plurality of fixing rods; the switch is provided with a rotating handle, the tail end of the rotating handle is connected with one end of a tension spring, and the other end of the tension spring is connected with one of the fixed rods; the rope also is connected with the end of twist grip, and extension spring and rope are located twist grip's both sides, and the rope exerts pulling force to twist grip to make the switch keep the off-state, the extension spring is in the state of being stretched this moment.

Preferably, the automatic spraying system further comprises an alarm, and one end of the rope, which is far away from the switch, is connected with the alarm.

Preferably, the alarm is arranged at the safety exit.

Preferably, the rotary water spraying device comprises an outer barrel, one end of the outer barrel is connected with the water outlet end of the water pipe, and the other end of the outer barrel is connected with the water outlet mechanism.

Preferably, the port of the other end of the outer cylinder is fixedly connected with a supporting component, and the water outlet mechanism is connected to the other end of the outer cylinder through the supporting component; the lateral wall of supporting component is provided with a plurality of first water inlets.

Preferably, the support assembly comprises a port bearing piece, a middle cylinder and an inner cylinder which are sequentially connected from the port of the outer cylinder to the interior of the outer cylinder, and a first support plate and a second support plate are respectively arranged at two ports of the inner cylinder; a plurality of first water inlets are arranged on the side wall of the middle cylinder, and a first through hole is formed in the middle of the first carrier plate.

Preferably, the water outlet mechanism comprises a speed reduction gear set, a water inlet impeller assembly, a rotating inner pipe assembly, a connecting outer pipe assembly and a bearing assembly; the connecting outer pipe assembly is fixedly arranged in the supporting assembly, the rotating inner pipe assembly is rotatably arranged in the connecting outer pipe assembly through a bearing assembly, and the water inlet impeller assembly is sleeved outside the rotating inner pipe assembly and can rotate relative to the rotating inner pipe assembly; the reduction gear set is respectively meshed with the rotating inner pipe assembly and the water inlet impeller assembly for transmission.

Preferably, the water inlet impeller assembly comprises a water inlet impeller, a hollow connecting piece and a first gear; the water inlet impeller comprises a first cover plate, a second cover plate and blades; a plurality of blades are uniformly connected between the first cover plate and the second cover plate, and water inlet gaps are formed among the blades; the middle part of the first cover plate is provided with an inner pipe through hole, one end of the rotating inner pipe assembly is inserted into the water inlet impeller through the inner pipe through hole, the middle part of the second cover plate is provided with a connecting piece through hole, a hollow connecting piece is fixedly arranged in the connecting piece through hole, one end of the hollow connecting piece, which extends out of the connecting piece through hole, is fixedly connected with a first gear, and the first gear is in meshing transmission with a reduction gear set.

Preferably, the rotating inner pipe assembly comprises an inner pipe and a sprinkler head, the sprinkler head is fixed at one end of the inner pipe, which extends out of the outer cylinder, a plurality of second water inlets are formed in the pipe wall of the other end of the inner pipe, the other end of the inner pipe is inserted into the water inlet impeller through a through hole of the inner pipe, a sealing plug is fixedly arranged at the port of the water inlet impeller, a connecting column is fixedly arranged on the sealing plug and penetrates through the hollow connecting piece, a second gear is fixedly connected at one end, far away from the sealing plug, of the connecting column, and the second gear is in meshing transmission with the reduction gear set.

The utility model provides an automatic spraying system is used in indoor fire control, beneficial effect lies in:

(1) Each automatic spraying system is controlled by an independent switch starting mechanism, when a certain position is on fire, the fire is blown off by the rope in the switch starting mechanism corresponding to the position, the corresponding automatic spraying system at the position is opened, the automatic spraying systems at other positions are not opened, the fire is directly sprayed at the position on fire in a targeted manner, and sufficient water spraying amount is ensured, so that the fire is effectively and quickly extinguished;

(2) After the automatic spraying system is used for one time, only the rope is blown, other components cannot be damaged, and the automatic spraying system can be used for the second time only by replacing a new rope, so that the automatic spraying system is convenient and quick;

(3) The utility model discloses a fire extinguishing system can spray water while rotatory, makes water distribution more even, guarantees the fire extinguishing effect.

Drawings

Fig. 1 is a schematic structural view of the indoor fire-fighting automatic spraying system when not started.

Fig. 2 is a schematic structural diagram of the automatic spraying system for indoor fire fighting when starting up.

Fig. 3 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of the present invention at D in fig. 2.

Fig. 5 is an enlarged schematic structural diagram of the present invention at B in fig. 1.

Fig. 6 is an enlarged schematic structural diagram of the present invention at C in fig. 1.

Fig. 7 is a schematic structural view of the rotary water spraying device of the present invention.

Fig. 8 is a schematic structural view of the supporting component and the water outlet mechanism of the present invention.

Fig. 9 is a schematic structural diagram of the support assembly of the present invention.

Fig. 10 is a schematic structural view of the water outlet mechanism of the present invention.

Fig. 11 is a schematic structural view of the water inlet impeller assembly of the present invention.

Fig. 12 is a schematic structural view of the water inlet impeller of the present invention.

Fig. 13 is a schematic structural view of the rotating inner tube assembly of the present invention.

The labels in the figure are: 10-floor or roof; 1-a water pipe; 2-a switch; 21-turning the handle; 3-a tension spring; 4-rope; 5-rotating water spraying device; 51-outer cylinder; 52-a second threaded connection; 54-a support assembly; 55-a water outlet mechanism; 541-port acceptor 541; 542-middle cylinder; 543-inner cylinder; 544-a first carrier; 545-a second carrier; 546-a first cavity; 5421-first water inlet; 5441-first via; 551-reduction gear set; 552-a water intake impeller assembly; 553-rotating the inner tube assembly; 554-connecting the outer tube assembly; 555-a bearing assembly; 5521-a water intake impeller; 5522-hollow connectors; 5523-a first gear; 55211-a first cover plate; 55212-a second cover plate; 55213-leaf; 55214-inner tube through hole; 55215-connector through holes; 5531-an inner tube; 5533-a sprinkler head; 55311-a second water inlet; 5534-a sealing plug; 5535-connecting column; 5536-second gear 5536.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In order to more clearly illustrate the technical solution of the present invention, a preferred embodiment is provided below. Referring to fig. 1-4 in detail, an automatic spraying system for indoor fire fighting comprises a water pipe 1, a switch 2, a switch starting mechanism and a rotary water spraying device 5; the water outlet end of the water pipe 1 is connected with the rotary water spraying device 5; the switch 2 is arranged on the water pipe 1, and the switch 2 is connected with the switch starting mechanism.

In the embodiment, a plurality of automatic spraying systems are correspondingly arranged indoors, particularly in a warehouse for storing goods, according to the storage positions of the goods, each automatic spraying system is controlled by an independent switch starting mechanism, when a certain position catches fire, the switch 2 of the automatic spraying system corresponding to the position is opened by the switch starting mechanism, and the corresponding rotary water spraying device 5 sprays water to the fire position; different with traditional on a large scale, equal water yield spray mode, when taking place to catch fire, will be opened with the corresponding automatic spray system of position department that catches fire, the automatic spray system of other positions department can not opened, can have corresponding ground directly to the position of catching fire sprays, guarantees sufficient water spray volume to effectively put out a fire fast.

As a preferable scheme of this embodiment, the switch starting mechanism includes a tension spring 3, a rope 4, and a plurality of fixing rods 6; the switch 2 is provided with a rotating handle 21, the tail end of the rotating handle 21 is connected with one end of the tension spring 3, and the other end of the tension spring 3 is connected with one fixed rod 6; the rope 4 also with the end connection of twist grip 21, extension spring 3 with the rope 4 is located twist grip 21's both sides, the rope 4 is right twist grip 21 exerts pulling force, so that switch 2 keeps the off-state, and at this moment extension spring 3 is in the state of being stretched.

In this embodiment, when a fire disaster does not occur, the tension spring 3 and the rope 4 are respectively disposed on two sides of the rotating handle 21, the rope 4 applies a pulling force to the rotating handle 21 to keep the switch 2 in a closed state, and at this time, the tension spring 3 is in a stretched state. When a fire occurs, the rope 4 in the switch starting mechanism corresponding to the fire position is blown, the rope 4 does not apply a pulling force to the rotating handle 21 any more, the rotating handle 21 rotates under the action of the tension spring, the switch is switched from the off state to the on state, at the moment, water in the water pipe 1 flows into the rotary water spraying device 5, and the rotary water spraying device 5 rotates and sprays the water towards the fire position under the driving of the water. Most of the existing automatic spraying systems adopt a temperature sensor, a smoke sensor and the like to sense the change of ambient environment parameters so as to control the starting of the automatic spraying systems, but the components such as the temperature sensor, the smoke sensor and the like have high cost and are easy to lose efficacy; the switch starting mechanism in the embodiment has low cost and high reliability.

Referring to fig. 5, as a preferred solution of this embodiment, the automatic spraying system further includes an alarm 7, and an end of the rope 4 away from the switch 2 is connected to the alarm 7.

In this embodiment, keep away from at rope 4 after the one end of switch 2 passes a plurality of dead levers 6, be connected with alarm 7, when the conflagration breaing out, rope 4 among the switch starting mechanism that corresponds with the position of catching fire is blown, and pulling force is no longer exerted to alarm 7 to rope 4, and the circuit of alarm 7 is in the on-state this moment, and the circuit has the electric current to pass through, and the alarm sends the chimes of doom, reminds the emergence of people's conflagration.

As a preferable solution of this embodiment, the alarm 7 is disposed at the safety exit.

In this embodiment, when the conflagration breaing out, can produce a large amount of dense cigarettes, people are difficult to find emergency exits and flee, set up alarm 7 in emergency exits, and people can find emergency exits's position according to the chimes of doom, realize fleing fast.

Referring to fig. 6-7, as a preferred solution of the present embodiment, the rotary water spraying device 5 includes an outer cylinder 51, one end of the outer cylinder 51 is connected to the water outlet end of the water pipe 1, and the other end of the outer cylinder 51 is connected to a water outlet mechanism 55.

In this embodiment, the outer cylinder 51 is a hollow cylindrical member, convex edges are arranged at two ends of the inside of the cylindrical member, and a plurality of threaded connection holes are formed in the convex edges; one end of outer barrel 51 is provided with second threaded connection spare 52, and second threaded connection spare 52 includes backup pad and internal thread joint, and the backup pad middle part is provided with the through-hole that corresponds with internal thread joint, and the backup pad is provided with the connect the via hole that corresponds with the threaded connection hole on outer barrel 51 all around, the backup pad is hugged closely the chimb is installed, is located second threaded connection spare 52 fixed mounting at the chimb of outer barrel 51 through the fastener. The water outlet end of the water pipe 1 is connected through the female connector of the second threaded connector 52, and the water in the water pipe 1 flows into the outer cylinder 51 from one end of the outer cylinder 51 and then flows out through the water outlet mechanism 55 at the other end of the outer cylinder 51.

Referring to fig. 7-9, as a preferred solution of this embodiment, a port of the other end of the outer cylinder 51 is fixedly connected with a supporting assembly 54, and the water outlet mechanism 55 is connected to the other end of the outer cylinder 51 through the supporting assembly 54; the side wall of the support assembly 54 is provided with a plurality of first water inlets 5421.

In this embodiment, the water outlet mechanism 55 can be stably installed at the other end of the outer cylinder 51 through the support component 54; the water in the outer cylinder 51 flows into the water outlet mechanism 55 from the first water inlets 5421 of the side wall of the support member 54.

As a preferable scheme of this embodiment, the supporting assembly 54 includes a port receiver 541, an intermediate cylinder 542, and an inner cylinder 543, which are sequentially connected from a port of the outer cylinder 51 to the inside of the outer cylinder 51, wherein a first carrier plate 544 and a second carrier plate 545 are respectively disposed at two ports of the inner cylinder 543; a plurality of first water inlets 5421 are disposed on the side wall of the middle cylinder 542, and a first through hole 5441 is disposed in the middle of the first carrier plate 544.

In this embodiment, the port receiving member 541 is a groove member with a flange, a plurality of mounting holes are formed at the flange corresponding to the threaded connection holes on the outer cylinder 51, and the port receiving member 541 is fixedly mounted at the convex edge at the other end of the outer cylinder 51 by a fastener; a connecting thread is arranged on the outer wall of the groove part of the port adapting piece 541, connecting threads are arranged at two ends of the inner part of the middle cylinder 542, and a connecting thread is arranged at one end of the outer part of the inner cylinder 543; one end of the middle cylinder 542 is screwed with the port connector 541, the other end is screwed with the inner cylinder 543, two ends inside the inner cylinder 543 are also provided with connecting threads, and the first carrier plate 544 and the second carrier plate 545 are respectively screwed at two ends inside the inner cylinder 543. The side wall of the middle cylinder 542 is provided with a plurality of first water inlets 5421, so that water entering the outer cylinder 51 enters the water outlet mechanism 55 through the first water inlets 5421.

Referring to fig. 8-10, as a preferred embodiment of the present invention, the water outlet mechanism 55 comprises a reduction gear set 551, a water inlet impeller assembly 552, a rotating inner tube assembly 553, a connecting outer tube assembly 554 and a bearing assembly 555; the connecting outer pipe assembly 554 is fixedly arranged in the supporting assembly 54, the rotating inner pipe assembly 553 is rotatably arranged in the connecting outer pipe assembly 554 through the bearing assembly 555, and the water inlet impeller assembly 552 is sleeved outside the rotating inner pipe assembly 553 and can rotate relative to the rotating inner pipe assembly 553; the reduction gear set 551 is in mesh transmission with the rotating inner pipe assembly 553 and the water inlet impeller assembly 552 respectively.

In this embodiment, the reduction gear set 551 is disposed in a first cavity 546 surrounded by the inner cylinder 543, the first carrier plate 544 and the second carrier plate 545; the water inlet impeller assembly 552 is disposed in the middle cylinder 542, one end of the water inlet impeller assembly 552 extends into the first cavity 546 and is engaged with the reduction gear set 551, and the water inlet impeller assembly 552 can rotate relative to the support assembly 54; one end of the connecting outer tube assembly 554 is fixedly connected within the port adapter 541; the inner rotatable tube assembly 553 is supported within the outer connecting tube assembly 554 by a bearing assembly 555, and one end of the inner rotatable tube assembly 553 extends through the inlet impeller assembly 552 and into the first cavity 546 for engagement with the reduction gear set 551, the inner rotatable tube assembly 553 being capable of rotational movement relative to the outer connecting tube assembly 554 and the inlet impeller assembly 552. The reduction gear set 551 includes gear mounting bars having both ends disposed in the first carrier plate 544 and the second carrier plate 545, respectively, on which gears are mounted. During water entered the impeller subassembly 552 through the first water inlet 5421 of middle barrel 542, the impact force drive of water intake the impeller subassembly 552 and rotate, thereby intake the impeller subassembly 552 rotation and drive reduction gear set 551 rotatory, reduction gear set 551 drives rotatory inner tube subassembly 553 rotatory again, after the speed reduction gear set 551 speed reduction, the rotational speed of rotatory inner tube subassembly 553 reduces, and the spun water of play water mechanism 55 spun can penetrate farther. The number of gears and the size of the gears in the reduction gear set 551 can be selected according to the requirement of the rotating speed of the rotating inner tube assembly 553 in practical application.

Referring to fig. 11 to 12, as a preferred embodiment of the present embodiment, the water inlet impeller assembly 552 includes a water inlet impeller 5521, a hollow connector 5522, and a first gear 5523; the water inlet impeller 5521 comprises a first cover plate 55211, a second cover plate 55212 and a blade 55213; a plurality of blades 55213 are uniformly connected between the first cover plate 55211 and the second cover plate 55212, and water inlet gaps are formed among the blades 55213; an inner pipe through hole 55214 is formed in the middle of the first cover plate 55211, one end of the rotating inner pipe assembly 553 is inserted into the water inlet impeller 5521 through the inner pipe through hole 55214, a connector through hole 55215 is formed in the middle of the second cover plate 55212, the hollow connector 5522 is fixedly arranged in the connector through hole 55215, one end of the hollow connector 5522, which extends out of the connector through hole 55215, is fixedly connected with the first gear 5523, and the first gear 5523 is in meshing transmission with the reduction gear set 551.

In this embodiment, one end of the hollow connector 5522 passes through the first through hole 5441 of the first carrier plate 544 and extends into the first cavity 546, and one end of the hollow connector 5522 is fixedly connected to the first gear 5523; water inlet gaps are formed among the blades 55213 of the water inlet impeller 5521; when water enters the water inlet impeller 5521 from the water inlet gap, the impact force of the water drives the water inlet impeller 5521 to rotate, the water inlet impeller 5521 drives the first gear 5523 to rotate, and the first gear 5523 is in meshing transmission with the reduction gear set 551.

Referring to fig. 13, as a preferred embodiment of the present embodiment, the rotating inner tube assembly 553 includes an inner tube 5531 and a sprinkler nozzle 5533, the sprinkler nozzle 5533 is fixed at one end of the inner tube 5531 extending out of the outer cylinder 51, a plurality of second water inlets 55311 are opened on a tube wall of the other end of the inner tube 5531, the other end of the inner tube 5531 is inserted into the water inlet impeller 5521 through the inner tube through hole 55214, a sealing plug 5534 is fixedly disposed at a port of the inner tube, a connecting post 5535 is fixedly disposed on the sealing plug 5534, the connecting post 5535 passes through the hollow connecting member 5522, a second gear 5536 is fixedly connected to one end of the connecting post 5535 far from the sealing plug 5534, and the second gear 5536 is in meshing transmission with the reduction gear set 551.

In this embodiment, the pipe wall of the other end of the inner pipe 5531 is provided with a plurality of second water inlets 55311, and the end is inserted into the water inlet impeller 5521 through the inner pipe through hole 55214, when water enters the water inlet impeller 5521, the water enters the inner pipe 5531 from the second water inlets 55311 and is sprayed out from the water spray head 5533; one end of the connecting column 5535 passes through the hollow connecting piece 5522 and extends into the first cavity 546, and one end of the connecting column 5535 is fixedly connected with the second gear 5536; when the first gear 5523 drives the reduction gear set 551 to rotate, the reduction gear set 551 drives the second gear 5536 again, so as to drive the inner pipe 5531 to rotate, and the rotation speed of the inner pipe 5531 is reduced through the reduction action of the reduction gear set 551, and is about 2-3 seconds per circle, so that water can be sprayed farther.

The utility model provides an automatic spraying system is used in indoor fire control, concrete working process as follows: when a fire disaster does not happen, the rope 4 tensions the rotating handle 21 and the alarm 7, so that the switch is in a closed position, the tension spring 3 is in a stretched state, and the circuit of the alarm 7 is in a non-conduction state; when a fire disaster occurs, the rope 4 in the switch starting mechanism corresponding to the fire position is blown, the rope 4 does not apply tension to the rotating handle 21 and the alarm 7 any more, the rotating handle 21 rotates under the action of the tension spring 3, so that the switch is in the opened position, water flows into the rotating water spraying device 5 from the water pipe 1, the rotating water spraying device 5 sprays water to the fire position while rotating, the fire is extinguished, meanwhile, the circuit of the alarm 7 is in a conducting state, the circuit has current to pass through, the alarm gives out alarm sound, and people are reminded of the occurrence of the fire disaster.

The utility model discloses an automatic spray system is used in indoor fire control, every automatic spray system is controlled by independent switch starting mechanism, when a position is on fire, the flame will be corresponding to the rope among the switch starting mechanism of this position and blown, the corresponding automatic spray system of this position department will be opened, the automatic spray system of other positions department can not be opened, direct spray to the position of catching fire in pertinence, guarantee sufficient water spray volume, thus effectively put out a fire fast; after this automatic spraying system used once, only the rope has been blown, and other components and parts can not take place to damage, only need more the rope of renewal, can carry out the secondary and use convenient and fast. When people find that fire happens, but the rope is not blown yet at the moment, the rope can be cut off manually, the rotary water spraying device 5 is started to spray water for fire extinguishing, and meanwhile, the alarm 7 is started, so that the use is flexible.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic spraying system is used in indoor fire control which characterized in that: comprises a water pipe (1), a switch (2), a switch starting mechanism and a rotary water spraying device (5); the water outlet end of the water pipe (1) is connected with the rotary water spraying device (5); the switch (2) is arranged on the water pipe (1), and the switch (2) is connected with the switch starting mechanism.

2. The automatic sprinkler system for indoor fire fighting according to claim 1, characterized in that: the switch starting mechanism comprises a tension spring (3), a rope (4) and a plurality of fixing rods (6); the switch (2) is provided with a rotating handle (21), the tail end of the rotating handle (21) is connected with one end of the tension spring (3), and the other end of the tension spring (3) is connected with one of the fixing rods (6); rope (4) also with the end-to-end connection of twist grip (21), extension spring (3) with rope (4) are located the both sides of twist grip (21), rope (4) are right twist grip (21) are applyed pulling force, so that switch (2) keeps the off-state, this moment extension spring (3) are in by tensile state.

3. The automatic sprinkler system for indoor fire fighting according to claim 2, characterized in that: the automatic spraying system further comprises an alarm (7), and one end of the rope (4) far away from the switch (2) is connected with the alarm (7).

4. An automatic sprinkler system for indoor fire fighting according to claim 3, characterized in that: the alarm (7) is arranged at the safety outlet.

5. An automatic sprinkler system for indoor fire fighting according to any one of claims 1-4, characterized in that: rotatory water jet equipment (5) are including outer barrel (51), the one end of outer barrel (51) is connected the play water end of water pipe (1), the other end of outer barrel (51) is connected with out water mechanism (55).

6. The automatic sprinkler system for indoor fire fighting according to claim 5, characterized in that: a port of the other end of the outer cylinder (51) is fixedly connected with a supporting component (54), and the water outlet mechanism (55) is connected to the other end of the outer cylinder (51) through the supporting component (54); the side wall of the supporting component (54) is provided with a plurality of first water inlets (5421).

7. The automatic sprinkler system for indoor fire fighting according to claim 6, characterized in that: the supporting assembly (54) comprises a port bearing piece (541), an intermediate cylinder (542) and an inner cylinder (543) which are sequentially connected from a port of the outer cylinder (51) to the interior of the outer cylinder (51), and a first carrier plate (544) and a second carrier plate (545) are respectively arranged at two ports of the inner cylinder (543); the plurality of first water inlets (5421) are arranged on the side wall of the middle cylinder (542), and a first through hole (5441) is arranged in the middle of the first carrier plate (544).

8. An automatic sprinkler system for indoor fire fighting according to claim 6 or 7, characterized in that: the water outlet mechanism (55) comprises a speed reduction gear set (551), a water inlet impeller assembly (552), a rotating inner pipe assembly (553), a connecting outer pipe assembly (554) and a bearing assembly (555); the connecting outer pipe assembly (554) is fixedly arranged in the supporting assembly (54), the rotating inner pipe assembly (553) is rotatably arranged in the connecting outer pipe assembly (554) through the bearing assembly (555), and the water inlet impeller assembly (552) is sleeved outside the rotating inner pipe assembly (553) and can rotate relative to the rotating inner pipe assembly (553); the reduction gear set (551) is respectively in meshing transmission with the rotating inner pipe assembly (553) and the water inlet impeller assembly (552).

9. An automatic sprinkler system for indoor fire fighting according to claim 8, characterized in that: the water inlet impeller assembly (552) comprises a water inlet impeller (5521), a hollow connector (5522) and a first gear (5523); the water inlet impeller (5521) comprises a first cover plate (55211), a second cover plate (55212) and a blade (55213); a plurality of blades (55213) are uniformly connected between the first cover plate (55211) and the second cover plate (55212), and water inlet gaps are formed between the blades (55213); an inner pipe through hole (55214) is formed in the middle of the first cover plate (55211), one end of the rotating inner pipe assembly (553) is inserted into the water inlet impeller (5521) through the inner pipe through hole (55214), a connector through hole (55215) is formed in the middle of the second cover plate (55212), the hollow connector (5522) is fixedly arranged in the connector through hole (55215), one end, extending out of the connector through hole (55215), of the hollow connector (5522) is fixedly connected with the first gear (5523), and the first gear (5523) is in meshing transmission with the reduction gear set (551).

10. An automatic sprinkler system for indoor fire fighting according to claim 9, characterized in that: rotatory inner tube subassembly (553) include inner tube (5531), sprinkler bead (5533), inner tube (5531) stretch out the one end of outer barrel (51) is fixed with sprinkler bead (5533), a plurality of second water inlet (55311) have been seted up on the pipe wall of the other end of inner tube (5531), the other end of inner tube (5531) passes through inner tube through-hole (55214) inserts intake impeller (5521) inside and the fixed sealing plug (5534) that is provided with of port department, fixed spliced pole (5535) that is provided with on sealing plug (5534), spliced pole (5535) are followed pass in cavity connecting piece (5522), spliced pole (5535) are kept away from the one end fixedly connected with second gear (5536) of 5534), second gear (5536) with reduction gear set (551) meshing transmission.