Integral atomizing nozzle with spiral rotational flow structure

Abstract

The utility model discloses an integral atomizing spray head with a spiral rotational flow structure. The integral atomizing spray head comprises a spray head body, one end of the spray head body is connected with a mounting table, one end of the mounting table is provided with a liquid inlet, a liquid gathering cavity is formed in the spray head body, and the outer side of the bottom of the liquid gathering cavity is connected with an atomizing nozzle. A nozzle rotational flow inlet is formed in one end of the atomizing nozzle, a rotational flow cavity is formed in the atomizing nozzle, a rotational flow outlet is formed in one end of the atomizing nozzle, a nozzle atomizing conical surface is arranged on the outer side of the nozzle body, the liquid collecting cavity is an annular cavity, and the upper portion and the lower portion of the section of the annular cavity in the liquid collecting cavity are oblique lines. The included angle between the upper oblique line and the vertical center line of the nozzle is not larger than 60 degrees, and the included angle between the lower oblique line and the vertical center line of the nozzle is not larger than 60 degrees. According to the utility model, the spiral channel is adopted in the rotational flow cavity, so that the liquid is fully rotated and collided, and the atomization effect of the liquid sprayed by the nozzle is improved.

Description

Technical Field

[0001] This utility model relates to the field of fire sprinkler technology, and in particular to an integral atomizing sprinkler with a spiral swirling structure. Background Technology

[0002] Fire sprinklers are a common type of fire protection equipment, usually installed on walls or ceilings and connected to pressurized water pipes. In the event of a fire, fire water at pressures dozens of times higher than normal will be sprayed out evenly through the sprinklers, which can extinguish or control the fire in a certain area.

[0003] In existing technologies, the main body of a nozzle is usually assembled from multiple parts. Due to the large number of parts, various processing techniques are required, and the assembly process needs to strictly control consistency and stability, resulting in complex processing, long manufacturing cycles, and high costs. The nozzle part of existing nozzles has smooth flow channels inside, and the swirling chamber is simple. The swirling effect is generated only by the collision of a few eccentric flow channels, resulting in poor swirling atomization.

[0004] Based on this, an integral atomizing nozzle with a spiral swirling structure is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide an integral atomizing nozzle with a spiral swirling structure to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An integral atomizing nozzle with a spiral swirl structure includes a nozzle body, one end of which is connected to a mounting platform, one end of which has a liquid inlet, a liquid collecting chamber inside the nozzle body, and an atomizing nozzle connected to the outer bottom of the liquid collecting chamber.

[0008] The atomizing nozzle has a nozzle swirl inlet at one end, a swirl chamber inside the atomizing nozzle, a swirl outlet at one end of the atomizing nozzle, and a nozzle atomizing cone surface on the outer side of the nozzle body.

[0009] Preferably, the liquid collecting cavity is an annular cavity, and the upper and lower sections of the annular cavity cross-section are both oblique lines. The angle between the upper oblique line and the vertical center line of the nozzle is no greater than 60°, and the angle between the lower oblique line and the vertical center line of the nozzle is no greater than 60°.

[0010] Preferably, the number of atomizing nozzles is greater than or equal to two, and the atomizing nozzles are evenly arranged circumferentially along the axis of the nozzle body.

[0011] Preferably, the nozzle swirl inlet, swirl chamber, swirl outlet, and nozzle atomizing cone are connected in sequence.

[0012] Preferably, the nozzle swirl inlet section is circular, the swirl cavity has a spiral channel inside, and the bottom of the swirl cavity is conical.

[0013] Preferably, the nozzle body is integrally formed using 3D printing technology, and the printing material is any one of high-temperature alloy, stainless steel, aluminum alloy, and copper alloy.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0015] 1. This application adopts a swirling cavity structure, with spiral channels inside the swirling cavity, which facilitates the full rotation and collision of the liquid and improves the atomization effect of the liquid sprayed from the nozzle.

[0016] 2. This application adopts an integrated design, which makes the structure more compact, reduces weight, avoids the assembly process, and improves reliability and stability.

[0017] 3. This application uses metal 3D printing technology to form a single piece, which can shorten the processing cycle and reduce production costs. Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure of the atomizing nozzle according to an embodiment of the present invention is shown;

[0019] Figure 2 A schematic diagram of a half-section of an atomizing nozzle provided according to an embodiment of the present invention is shown.

[0020] Legend:

[0021] 100. Nozzle body; 1. Liquid inlet; 2. Liquid collection chamber; 3. Atomizing nozzle; 31. Nozzle swirl inlet; 32. Swirl chamber; 33. Swirl outlet; 34. Nozzle atomizing cone; 4. Mounting platform. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-2 This utility model provides a technical solution:

[0024] An integral atomizing nozzle with a spiral swirling structure includes a nozzle body 100. One end of the nozzle body 100 is connected to a mounting platform 4. The mounting platform 4 can be used to process threads or weld pipe joints to install the nozzle body 100 onto a liquid pipeline and prevent liquid leakage. One end of the mounting platform 4 is provided with a liquid inlet 1. A liquid collecting chamber 2 is provided inside the nozzle body 100. Liquid enters the mounting platform 4 through the liquid inlet 1 and enters the liquid collecting chamber 2 from inside the mounting platform 4. An atomizing nozzle 3 is connected to the outer bottom of the liquid collecting chamber 2.

[0025] The atomizing nozzle 3 has a nozzle swirl inlet 31 at one end, a swirl chamber 32 inside the atomizing nozzle 3, and a swirl outlet 33 at one end. The swirl outlet 33 is a circular hole with a diameter not greater than 0.5 times the diameter of the middle section of the swirl chamber 32 and a length not less than one time its diameter. The nozzle atomizing cone surface 34 is provided on the outer side of the nozzle body 100. The nozzle atomizing cone surface 34 is used to control the cone angle of the liquid in the swirl outlet 33, and the cone angle is not less than 80°.

[0026] Specifically, such as Figure 2 As shown, the liquid collecting chamber 2 is an annular cavity. The upper and lower sections of the annular cavity section inside the liquid collecting chamber 2 are both oblique lines. The angle between the upper oblique line and the vertical center line of the nozzle is no greater than 60°, and the angle between the lower oblique line and the vertical center line of the nozzle is no greater than 60°.

[0027] Specifically, such as Figure 1 As shown, the number of atomizing nozzles 3 is greater than or equal to two, and the atomizing nozzles 3 are evenly arranged in a circular direction along the axis of the nozzle body 100. In the attached figure, the number of atomizing nozzles 3 is six.

[0028] Specifically, such as Figure 2 As shown, the nozzle swirl inlet 31, swirl chamber 32, swirl outlet 33 and nozzle atomizing cone 34 are connected in sequence.

[0029] Specifically, such as Figure 2 As shown, the nozzle swirl inlet 31 has a circular hole cross-section, the swirl cavity 32 has a spiral channel inside, and the bottom of the swirl cavity 32 is conical.

[0030] Specifically, such as Figure 2 As shown, the nozzle body 100 is integrally formed using 3D printing technology. The printing material is any one of high-temperature alloy, stainless steel, aluminum alloy, and copper alloy. The liquid used in this atomizing nozzle is liquid water used for fire fighting.

[0031] In summary, the integral atomizing nozzle with a spiral swirl structure provided in this embodiment, when in use, the nozzle body 100 is connected to the actual liquid pipeline through the mounting platform 4. After the valve is opened, the liquid enters the liquid collection chamber 2 through the liquid inlet 1. The liquid is fully collected in the liquid collection chamber 2, and then enters the swirl chamber 32 through the nozzle swirl inlet 31 in the atomizing nozzle 3. The surface of the swirl chamber 32 has several spiral channels, which can promote the liquid to rotate and collide fully. Then, it is contracted through the conical surface at the bottom of the swirl chamber 32 and sprayed out into the swirl outlet 33. Then, the atomization state is enhanced by the nozzle atomizing cone surface 34, thereby forming a uniform liquid mist in space, which in turn extinguishes open flames in the environment.

[0032] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A unitary atomizing tip having a helical swirled structure, comprising a tip body (100), characterized in that, The spray head body (100) is connected with a mounting table (4) at one end, the mounting table (4) is provided with a liquid inlet (1) at one end, the spray head body (100) is provided with a liquid collecting cavity (2) inside, the liquid collecting cavity (2) is connected with an atomizing nozzle (3) outside the bottom; The atomizing nozzle (3) is provided with a nozzle cyclone inlet (31) at one end, the atomizing nozzle (3) is provided with a cyclone cavity (32) inside, the atomizing nozzle (3) is provided with a cyclone outlet (33) at one end, and the spray head body (100) is provided with a nozzle atomizing conical surface (34) outside.

2. The integrated atomizing nozzle having a helical cyclone structure according to claim 1, characterized in that, The liquid collecting cavity (2) is an annular cavity, the upper and lower parts of the annular cavity cross section of the liquid collecting cavity (2) are both inclined lines, the angle between the upper inclined line and the vertical center line of the spray head is not greater than 60°, and the angle between the lower inclined line and the vertical center line of the spray head is not greater than 60°.

3. The integrated atomizing nozzle having a helical cyclone structure according to claim 1, wherein The number of the atomizing nozzles (3) is greater than or equal to two, and the atomizing nozzles (3) are uniformly arranged along the axis of the spray head body (100) in a circumferential direction.

4. The integrated atomizing nozzle having a helical cyclone structure according to claim 1, wherein The nozzle cyclone inlet (31), the cyclone cavity (32), the cyclone outlet (33) and the nozzle atomizing conical surface (34) are sequentially communicated.

5. The integrated atomizing nozzle having a helical cyclone structure according to claim 1, wherein The cross section of the nozzle cyclone inlet (31) is a circular hole, the cyclone cavity (32) is provided with a spiral groove inside, and the bottom of the cyclone cavity (32) is a conical surface.

6. The integrated atomizing nozzle having a helical cyclone structure according to claim 1, wherein The spray head body (100) is integrally formed by using a 3D printing process, and the printing material is any one of high-temperature alloy, stainless steel, aluminum alloy and copper alloy.

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