CN211986783U

CN211986783U - Assembled autogiration shower nozzle

Info

Publication number: CN211986783U
Application number: CN202020391375.6U
Authority: CN
Inventors: 颜明强; 张泽江; 蒋亚强
Original assignee: Sichuan Fire Research Institute of Emergency Management Department
Current assignee: Sichuan Fire Research Institute of Emergency Management Department
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-24
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an assembled autogiration shower nozzle, include the inlet tube that links to each other with the fire water pipeline, be fixed in the kuppe on the inlet tube, be fixed in the inlet tube through the bearing and be located the water conservancy diversion impeller of kuppe below, the porous atomising head that is linked together through screw thread and inlet tube to and set up in the efflux mouth of kuppe lower part, set up on the inlet tube and the water conservancy diversion mouth that is linked together with the inside passage of inlet tube, and be used for communicateing the honeycomb duct of water conservancy diversion mouth and efflux mouth. The utility model discloses a fluidic nozzle and the water conservancy diversion impeller that set up, rivers produce an impact force to the water conservancy diversion impeller through the fluidic nozzle blowout, make the water conservancy diversion impeller rotate, the high-speed rotation of water conservancy diversion impeller, break up the atomizing with fluidic nozzle spun rivers and from the rivers that the porous atomising head was spun, form a solid toper spraying through the water conservancy diversion cover again, great promotion the atomizing radius of water smoke, increased the radius of putting out a fire, improve its efficiency of putting out a fire, guarantee people's security of the lives and property.

Description

Assembled autogiration shower nozzle

Technical Field

The utility model relates to a fire-fighting equipment technical field, concretely relates to assembled autogiration shower nozzle.

Background

The nozzle is a water spraying device which can spray water according to the designed water spraying shape and flow rate under the working state, and is an important component of a fire extinguishing system. The existing common fire-fighting nozzle is limited by the structure or different in application, the water distribution performance is generally poor, the atomization angle is generally smaller than 150 degrees, the fire extinguishing requirement is often difficult to meet when the nozzle is applied to high and large headroom places such as stadiums, warehouses and markets, the existing rotary nozzles mostly use the hydrodynamics circulation promotion and the aerodynamic principle, large water drops are distributed in a rotary mode, formed water mist is less, and the fire extinguishing requirement or the structural protection cooling requirement is often difficult to meet when the nozzle is applied to traffic tunnels for fire extinguishing and building structure protection cooling.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the assembled automatic rotating nozzle meets the requirements of keeping large water drops under lower working pressure and having larger protection area, the diameter of the liquid drops is greatly reduced under higher pressure to form spray, and the assembled automatic rotating nozzle is used for extinguishing fire and protecting and cooling in headroom places, traffic tunnels, building structures and the like, and ensures the safety of lives and properties of people.

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

the utility model provides an assembled autogiration shower nozzle, includes the inlet tube that links to each other with the fire water pipeline, is fixed in kuppe on the inlet tube is fixed in through the bearing be located on the inlet tube the guide vane wheel of kuppe below, through the screw with the porous atomising head that the inlet tube is linked together, and set up in the efflux nozzle of kuppe lower part is seted up in on the inlet tube and with the water conservancy diversion mouth that the inner passage of inlet tube is linked together, and be used for the intercommunication the water conservancy diversion mouth with the honeycomb duct of efflux nozzle.

Furthermore, the water inlet pipe is of a multi-layer round platform structure, a plurality of layers of reducing channels are arranged in the water inlet pipe, from bottom to top, the first layer of round platform is connected with the multi-hole spraying head, the second layer of round platform is connected with the guide vane wheel through the bearing, the third layer of round platform is used for preventing the guide vane wheel and the bearing from moving upwards, and the fourth layer of round platform is connected with the guide cover; the diversion opening is formed in the outer wall of the fourth layer of the circular truncated cone.

Furthermore, the air guide sleeve is of a cone structure in an arc surface, and the periphery of the edge of the air guide sleeve is bent and contracted to form a blocking platform.

Furthermore, a plurality of air guide sleeve connecting threaded holes for connecting the air guide sleeve are uniformly distributed on the fourth layer of circular truncated cone; the center position of kuppe sets up and passes the first through-hole of third layer round platform, set up on the kuppe a plurality of with kuppe connecting screw hole assorted second through-hole, the screw passes the second through-hole and cooperatees with kuppe connecting screw hole and makes kuppe fixed connection be in on the fourth layer round platform.

Furthermore, the guide impeller comprises a lantern ring connected with the second layer of circular truncated cone and a plurality of bent guide vanes uniformly distributed on the periphery of the lantern ring; and a bearing is embedded in the lantern ring and is fixed on the second layer of circular truncated cones through the bearing.

Furthermore, the multi-hole spray head is in a hollow spherical shape, and a plurality of uniformly distributed water spray holes are formed in the surface of the hollow spherical spray head.

Preferably, the diameters of all the water spray holes are equal.

In another preferred mode, the diameters of the water spraying holes decrease from top to bottom.

Further, the multi-hole spray head is provided with a boss for preventing the guide vane wheel and the bearing from moving downward.

Further, the honeycomb duct is a stainless steel pipe or a high pressure resistant hose.

The utility model has the advantages of ingenious conception, simple structure and reliable technology, when the water pressure is low (0.1-0.2 MPa), most of water flows are sprayed out through the porous atomizing spray head through the water inlet pipe, liquid drops with larger diameter are formed and sprayed out from the water spray holes of the porous atomizing spray head, the liquid drops with larger diameter directly act on the ignition position, the coverage area of the ignition point is increased, and the time for extinguishing the fire is reduced; under higher water pressure (0.5 ~ 0.8MPa) effect, the rivers that get into in the inlet pipe are when through the blowout of many trompil atomising head, and simultaneously, the water conservancy diversion through the honeycomb duct, the rivers that come out from the water conservancy diversion mouth pass through the efflux nozzle blowout, high-speed rivers produce an impact force to the water conservancy diversion impeller, make the water conservancy diversion impeller rotate, the high-speed rotation of water conservancy diversion impeller, break up the atomizing with efflux nozzle spun rivers and from the blowout of porous atomising head rivers, pass through the water conservancy diversion of kuppe again, it forms a solid toper spraying to make it, the atomizing angle can reach 180, when being applied to high-altitude big place, the traffic tunnel, in building structure etc., its effect of putting out a fire and protection cooling has been promoted greatly, guarantee people's life and property safety.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a schematic bottom view of the present invention.

Fig. 4 is a schematic view of the water inlet pipe structure of the present invention.

Fig. 5 is a schematic view of the structure of the air guide sleeve of the present invention.

Fig. 6 is a schematic view of the multi-hole spraying head of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-a water inlet pipe, 2-a flow guide cover, 3-a flow guide impeller, 4-a multi-hole spray head, 5-a jet nozzle, 6-a flow guide opening, 7-a flow guide pipe, 8-a bearing, 9-a first layer of circular truncated cone, 10-a second layer of circular truncated cone, 11-a third layer of circular truncated cone, 12-a fourth layer of circular truncated cone, 13-a first through hole, 14-a second through hole, 15-a flow guide blade, 16-a water spray hole, 17-a boss, 18-a baffle platform and 19-a lantern ring.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in FIGS. 1-6:

the utility model provides an assembled autogiration shower nozzle, include the inlet tube 1 that links to each other with the fire water pipeline, be fixed in kuppe 2 on the inlet tube 1, be fixed in on the inlet tube 1 through bearing 8 and be located the water conservancy diversion impeller 3 of kuppe 2 below, the porous atomising head 4 that is linked together through screw thread and inlet tube 1, and set up in the efflux nozzle 5 of 2 lower parts of kuppe, set up on the inlet tube 1 and the water conservancy diversion mouth 6 that is linked together with the inner passage of inlet tube 1, and be used for communicateing water conservancy diversion mouth 6 and the honeycomb duct 7 of efflux nozzle.

In the embodiment, the water inlet pipe 1 is arranged in a structure of a plurality of layers of round tables, a reducing channel is arranged in the middle of the water inlet pipe, and water flows through the reducing channel and sequentially form a first layer of round table 9, a second layer of round table 10, a third layer of round table 11 and a fourth layer of round table 12 from bottom to top; wherein, 9 outer walls of first layer round platform are the external screw thread, have the internal thread pipe on the porous atomising head, and one deck round platform 9 links to each other with the internal thread pipe of porous atomising head through threaded connection's mode, and porous atomising head 4 is hollow ball form, and sets up a plurality of evenly distributed's hole for water spraying 16 on its hollow ball surface, and the mode that sets up of hole for water spraying 16 can have the multiple, preferred have two kinds of modes: the first way is that all the water spraying holes are arranged in a structure with the same pore diameter, so that the water spraying holes are uniformly distributed on the surface of the ball; the second way is to arrange the blowholes 16 in a multi-layer surrounding structure, and from top to bottom, the hole diameters of the blowholes in different layers are reduced in sequence, and the hole diameters of the blowholes in the same layer are the same.

The second layer of round platform 10 is used for connecting the guide vane wheel 3, and the guide vane wheel 3 comprises a lantern ring 19 connected with the second layer of round platform 10 and a plurality of bent guide vanes 15 uniformly distributed on the periphery of the lantern ring; wherein embedded bearing 8 of lantern ring, bearing 8 fixed cover is established on the second floor round platform, the water conservancy diversion impeller passes through the connection of bearing, can wind second floor round platform free rotation, third layer round platform 11 is used for preventing water conservancy diversion impeller 3 and bearing 8 rebound, and simultaneously, in order to prevent water conservancy diversion impeller 3 and bearing 8 rebound, set up boss 17 on porous atomising head 4, the outer fringe diameter of boss 17 is greater than the diameter of second floor round platform, realized spacing to water conservancy diversion impeller 3 and bearing 8, avoid its rebound.

The air guide sleeve 2 is fixed on the fourth layer of circular truncated cone 12, specifically, the air guide sleeve 2 is of a cone structure in a cambered surface, the periphery of the edge of the air guide sleeve is bent and contracted to form a baffle table 18, meanwhile, a first through hole 13 is formed in the center of the air guide sleeve 2, the diameter of the first through hole 13 is slightly larger than that of the third layer of circular truncated cone 11, and the third layer of circular truncated cone 11 can just pass through the first through hole 13; a plurality of uniformly distributed air guide sleeve connecting threaded holes are formed in the end face of the fourth layer of round platform, second through holes 14 matched with the air guide sleeve connecting threaded holes are formed in the air guide sleeve 2, and screws penetrate through the second through holes 14 to be matched with the air guide sleeve 2 connecting threaded holes so that the air guide sleeve 2 is fixedly connected to the fourth layer of round platform 12.

The flow guide port 6 is also arranged on the outer wall of the fourth layer of round platform 12, the flow guide pipe is made of a stainless steel pipe or a high-pressure-resistant hose, and the flow guide port 6 and the jet nozzle 5 are communicated through a quick connector; meanwhile, in order to clamp the fourth layer of round tables and facilitate the installation of the rotary spray head, concave tables are arranged on the fourth layer of round tables. The external clamp realizes the clamping connection of the fourth round platform in a mode of clamping the concave platform, so that the fourth round platform is conveniently and quickly connected with a fire-fighting water pipeline.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The utility model provides an assembled autogiration shower nozzle which characterized in that: including inlet tube (1) that links to each other with the fire water pipeline, be fixed in kuppe (2) on inlet tube (1) are fixed in through bearing (8) inlet tube (1) is gone up and is located kuppe (2) below water conservancy diversion impeller (3), through the screw thread with porous atomising head (4) that inlet tube (1) are linked together, and set up in jet nozzle (5) of kuppe (2) lower part are seted up in inlet tube (1) go up and with water conservancy diversion mouth (6) that the inner passage of inlet tube (1) is linked together, and are used for the intercommunication water conservancy diversion mouth (6) with honeycomb duct (7) of jet nozzle (5).

2. An assembled automatic rotary sprinkler according to claim 1, characterized in that: the water inlet pipe (1) is of a multi-layer round table structure, a plurality of layers of reducing channels are arranged in the water inlet pipe, from bottom to top, a first layer of round table (9) is connected with the multi-hole spray head (4), a second layer of round table (10) is connected with the guide vane wheel (3) through a bearing (8), a third layer of round table (11) is used for preventing the guide vane wheel (3) and the bearing (8) from moving upwards, and a fourth layer of round table (12) is connected with the guide hood (2); the diversion port (6) is arranged on the outer wall of the fourth layer of round tables (12).

3. An assembled automatic rotary sprinkler according to claim 2, characterized in that: the air guide sleeve (2) is of a cone structure with a cambered surface, and the periphery of the edge of the air guide sleeve is bent and contracted to form a blocking platform (18).

4. An assembled automatic rotary sprinkler according to claim 3, characterized in that: a plurality of air guide sleeve connecting threaded holes for connecting the air guide sleeve (2) are uniformly distributed on the fourth layer of round platform (12); the center position of kuppe (2) puts and sets up and to pass first through-hole (13) of third layer round platform (11), set up on kuppe (2) a plurality of with kuppe (2) connecting thread hole assorted second through-hole (14), the screw pass second through-hole (14) and kuppe (2) connecting thread hole cooperate and make kuppe (2) fixed connection be in on fourth layer round platform (12).

5. An assembled automatic rotary sprinkler according to claim 2 or 4, characterized in that: the guide impeller (3) comprises a lantern ring (19) connected with the second layer of circular truncated cone (10) and a plurality of bent guide blades (15) uniformly distributed on the periphery of the lantern ring; wherein a bearing (8) is embedded in the lantern ring and is fixed on the second layer of round tables (10) through the bearing (8).

6. An assembled automatic rotary sprinkler according to claim 2 or 4, characterized in that: the multi-hole spray head (4) is in a hollow spherical shape, and a plurality of uniformly distributed water spray holes (16) are formed in the surface of the hollow spherical shape.

7. An assembled automatic rotary sprinkler according to claim 6, characterized in that: the diameters of the water spray holes (16) are equal.

8. An assembled automatic rotary sprinkler according to claim 6, characterized in that: the aperture of the water spray holes (16) is reduced from top to bottom in sequence.

9. An assembled automatic rotary sprinkler according to claim 2, characterized in that: the multi-hole spray head (4) is provided with a boss (17) for preventing the guide vane wheel (3) and the bearing (8) from moving downwards.

10. An assembled automatic rotary sprinkler according to claim 1 or 2, characterized in that: the guide pipe (7) is a stainless steel pipe or a high-pressure-resistant hose.