Integral atomizing nozzle

Abstract

The utility model discloses an integral atomizing nozzle which comprises a spray head body, threads and an atomizing nozzle are connected to the spray head body, a collecting cavity is formed in the spray head body, a sealing groove is formed in the spray head body, an installation ring is connected to the spray head body, a limiting cylinder is connected to the installation ring, and a scraping ring is connected to the limiting cylinder. The inner side of the limiting cylinder is connected with a drainage ring, the drainage ring is connected with a connecting ring through a spring, the connecting ring is connected with a filter screen cylinder, the atomizing nozzle is provided with a rotational flow inlet, a rotational flow cavity and a rotational flow outlet, the atomizing nozzle is provided with an atomizing conical surface, and the collecting cavity, the rotational flow inlet, the rotational flow cavity and the rotational flow outlet are sequentially communicated. According to the utility model, the scraping ring is matched with the spring to pull the filter screen cylinder to scrape the surface of the filter screen cylinder, so that impurities are prevented from being blocked in the filter screen cylinder to interfere with the cleaning of the filter screen cylinder, and the scraping ring is arranged to play a role in cleaning the filter screen cylinder to a certain extent, so that the filtering effect of the filter screen cylinder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field especially relates to a whole type atomization nozzle. BACKGROUND

[0002] Fire nozzle is generally installed on the wall or ceiling, is connected with the water network pipeline full of pressure, and when the fire occurs, the fire water is evenly atomized and sprayed through the nozzle, and the fire in a certain area can be controlled. The nozzle usually contains high-pressure fire water of several tens of megapascals. Fire fighting equipment is widely used, and the nozzle gradually develops towards light weight, integration and economy.

[0003] In the prior art, the main body of the nozzle is usually combined and assembled by multiple parts, the nozzle is generally assembled by multiple parts, and then connected to the nozzle main body by threads and rubber gaskets. Such a nozzle contains many parts, the processing technology is complex, the manufacturing cycle is long, and at the same time, it also faces problems such as gasket aging and fire water leakage, which affects the reliability and service life of the nozzle. In addition, in order to ensure that the liquid is filtered during atomization and injection, a filter screen is usually arranged in the nozzle, but the existing filter screen structure is simple, and the filter screen cleaning is complicated.

[0004] Therefore, a whole type atomization nozzle is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at: in order to solve the above -mentioned problem, and a whole type atomization nozzle is provided.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A whole type atomization nozzle, comprising a nozzle main body, a thread and an atomization nozzle are connected on the nozzle main body, a collection cavity is arranged in the nozzle main body, a sealing groove is arranged on the nozzle main body, an installation ring is connected on the nozzle main body, a limiting cylinder is connected on the installation ring, a scraping ring is connected on the limiting cylinder, a drainage ring is connected on the inner side of the limiting cylinder, the drainage ring is connected with a connecting ring through a spring, and a filter screen cylinder is connected on the connecting ring.

[0008] Preferably, a cyclone inlet, a cyclone cavity and a cyclone outlet are arranged on the atomization nozzle.

[0009] Preferably, an atomization cone surface is arranged on the atomization nozzle.

[0010] Preferably, the collection cavity, the cyclone inlet, the cyclone cavity and the cyclone outlet are sequentially communicated.

[0011] Preferably, the atomization cone surface and the cyclone outlet are communicated with each other.

[0012] Preferably, the spray head body is integrally formed by a 3D printing process, and the spray head body is made of any one of high-temperature alloy, stainless steel, aluminum alloy and copper alloy.

[0013] In summary, due to the adoption of the above technical solutions, the present application has the following beneficial effects:

[0014] 1、The present application adopts a scraping ring structure, uses the scraping ring to pull the filter screen cylinder by cooperating with the spring, scrapes the surface of the filter screen cylinder, avoids impurities from being stuck in the filter screen cylinder, thereby interfering with the cleaning of the filter screen cylinder, and the scraping ring can also clean the filter screen cylinder to some extent, thereby improving the filtering effect of the filter screen cylinder.

[0015] 2、The present application adopts a cyclone inlet structure, increases the atomization effect of liquid through the plurality of arranged cyclone inlets, and the integrally formed structure also improves the structural strength of the spray head and reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 shows a structure schematic diagram of an atomizing nozzle according to an embodiment of the present application;

[0017] Figure 2 Fig. 2 shows a structure schematic diagram of a half-section of an atomizing nozzle according to an embodiment of the present application;

[0018] Figure 3 Fig. 3 shows a structure schematic diagram of a half-section of a limiting cylinder according to an embodiment of the present application.

[0019] LEGEND:

[0020] 1, spray head body; 2, thread; 3, atomizing nozzle; 4, atomizing cone surface; 5, mounting ring; 6, limiting cylinder; 7, filter screen cylinder; 8, sealing groove; 9, collection cavity; 10, cyclone inlet; 11, cyclone cavity; 12, cyclone outlet; 13, flow guide ring; 14, spring; 15, connecting ring; 16, scraping ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-3 The present application provides a technical solution:

[0023] The application discloses a whole type atomizing nozzle, which comprises a nozzle body 1, a thread 2 and an atomizing nozzle 3 connected to the nozzle body 1, the thread 2 is used for connecting the nozzle body 1 with a liquid pipeline, a collecting cavity 9 is arranged in the nozzle body 1, the collecting cavity 9 is a ring cavity structure, the side of the cross section shape of the collecting cavity 9 is two oblique lines, the angle between the upper oblique line and the vertical center line of the nozzle is 45 degrees, the angle between the lower oblique line and the vertical center line of the nozzle is 45 degrees, 3D printing forming can be realized without adding a supporting structure, a sealing groove 8 is arranged on the nozzle body 1, the sealing groove 8 is a ring groove, a ring-shaped sealing washer can be added, the nozzle body 1 is installed on the liquid pipeline, and liquid leakage is prevented, a mounting ring 5 is connected to the nozzle body 1, a limiting cylinder 6 is connected to the mounting ring 5, a scraping ring 16 is connected to the limiting cylinder 6, a drainage ring 13 is connected to the inner side of the limiting cylinder 6, the drainage ring 13 is connected with a connecting ring 15 through a spring 14, and a filter screen cylinder 7 is connected to the connecting ring 15.

[0024] When the nozzle is communicated with the pipeline, the liquid pushes the filter screen cylinder 7 to move, the spring 14 structure is stretched, the connecting ring 15 structure contacts the scraping ring 16, and when the nozzle stops running, the filter screen cylinder 7 structure is retracted and reset, the outer surface of the filter screen cylinder 7 can be scraped by the scraping ring 16, and impurities are prevented from being stuck on the filter screen cylinder 7, wherein the lower end of the filter screen cylinder 7 is a disc surface without filter holes, and the structure can quickly move the filter screen cylinder 7 to the working position during use of the nozzle.

[0025] Specifically, as shown in the figure, Figure 2 The atomizing nozzle 3 is provided with a rotational flow inlet 10, a rotational flow cavity 11 and a rotational flow outlet 12, the rotational flow structure can improve the atomization uniformity of the atomizing nozzle 3, the atomizing nozzle 3 is provided with a plurality of atomizing nozzles 3, the atomizing nozzles 3 are uniformly arranged in a circumferential direction along the axis of the nozzle body 1, the rotational flow inlet 10 comprises three eccentric circular hole sub-paths which are centrally symmetrical, liquid is collected into the top end of the rotational flow cavity 11, the rotational flow cavity 11 is a rotational mixing area of the liquid, the shape of the rotational flow cavity 11 is a ring cavity structure, the bottom is uniformly contracted to the rotational flow outlet 12 through a taper, the rotational flow outlet 12 is a circular hole, the diameter of the rotational flow outlet 12 is 0.8 mm, and the length of the rotational flow outlet 12 is 1 mm.

[0026] Specifically, as shown in the figure, Figure 2 The atomizing nozzle 3 is provided with an atomizing conical surface 4, the atomizing conical surface 4 is used for controlling the cone angle of the liquid of the rotational flow outlet 12, the cone angle is 150 degrees, and the atomizing conical surface 4 is convex on the outer wall of the atomizing nozzle 3.

[0027] Specifically, as shown in the figure, Figure 2 The collecting cavity 9, the rotational flow inlet 10, the rotational flow cavity 11 and the rotational flow outlet 12 are sequentially communicated.

[0028] Specifically, as shown in the figure, Figure 2The atomization cone surface 4 and the cyclone outlet 12 are in communication with each other.

[0029] Specifically, as shown in the drawings, the spray head body 1 is integrally formed by using a 3D printing process, and the material of the spray head body 1 is any one of high-temperature alloy, stainless steel, aluminum alloy and copper alloy. Figure 1

[0030] In summary, the integral atomizing nozzle provided by the embodiment, when working, is installed on the terminal of the fire-fighting pipeline through the thread 2 and the sealing groove 8, after the pipeline is opened, the fire-fighting water passes through the filter screen cylinder 7 into the collecting cavity 9, then enters the cyclone cavity 11 through the liquid cyclone inlet 10 to be fully rotated and mixed, and is sprayed out through the cyclone outlet 12, and the atomization uniformity is controlled through the nozzle atomization cone surface 4, the internal structure of the atomizing nozzle 3 is integrally designed, the structure is compact and light in weight, can be integrally formed by using a metal 3D printing process, the processing cycle can be significantly shortened, and the reliability can be improved.

[0031] The above description of the embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.​

Claims

1. A monobloc atomizing nozzle comprising a spray head body (1), characterized in that, The spray head body (1) is connected with threads (2) and atomizing nozzles (3), the spray head body (1) is provided with a collection cavity (9), the spray head body (1) is provided with a sealing groove (8), the spray head body (1) is connected with a mounting ring (5), the mounting ring (5) is connected with a limiting cylinder (6), the limiting cylinder (6) is connected with a scraping ring (16), the limiting cylinder (6) is connected with a flow guiding ring (13) on the inner side, the flow guiding ring (13) is connected with a connecting ring (15) through a spring (14), the connecting ring (15) is connected with a filter screen cylinder (7).

2. A monoblock atomizing nozzle according to claim 1, wherein The atomizing nozzle (3) is provided with a cyclone inlet (10), a cyclone cavity (11) and a cyclone outlet (12).

3. A monoblock atomizing nozzle according to claim 1 wherein, The atomizing nozzle (3) is provided with an atomizing conical surface (4).

4. A monoblock atomizing nozzle according to claim 2 wherein, The collection cavity (9), the cyclone inlet (10), the cyclone cavity (11) and the cyclone outlet (12) are communicated in sequence.

5. A monoblock atomizing nozzle according to claim 3 wherein, The atomizing conical surface (4) and the cyclone outlet (12) are communicated with each other.

6. An integral atomizing nozzle according to claim 1 wherein, The spray head body (1) is formed integrally by 3D printing process, and the material of the spray head body (1) is any one of high-temperature alloy, stainless steel, aluminum alloy and copper alloy.

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