Blade type water mist nozzle

Abstract

The utility model discloses a blade type water mist nozzle which comprises a spray pipe, an outer pipe is arranged on the side wall of the spray pipe, a spray frame is arranged at one end of the spray pipe, a supporting mechanism used for supporting the spray pipe is arranged between the spray frame and the spray pipe, and a plurality of guide blades arranged in the circumferential direction are fixedly connected to the inner wall of the spray pipe. And a pressurizing frame is arranged on the inner wall of the spray pipe. The pressurizing frame, the pressurizing opening, the connecting groove, the guide vane and other structures are arranged, water flow entering from the position of the nozzle opening is pressurized by the pressurizing frame, the guide vane rotates and is sprayed out through the nozzle in a vortex mode, the pressure of the water flow sprayed out from the nozzle can be increased, the jet flow distance can be increased, and therefore the problem of close-range fire extinguishing is avoided; the safety of firemen is guaranteed, the stability of the spray pipe in the working process can be guaranteed through contact of the positioning ring and contact supporting of the matching frame, and the problem that the stability of the spray pipe is poor when the pressure in the spray pipe is large is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting technical field especially relates to a vane type water mist nozzle. BACKGROUND

[0002] In many application scenarios, it is often necessary to utilize the mist formed by tiny liquid beads. For example, water mist is utilized for fire extinguishing, and it has been verified that this fire extinguishing mode is more efficient and can save water sources. In addition, there are many similar application scenarios, such as spraying pesticides for crops, dust removal for trees, and vehicle washing, etc.

[0003] In the above-mentioned application scenarios, the water mist nozzle is often utilized to convert water or other liquid into mist by pressure. However, a defect of the existing water mist nozzle is that it can only adjust the amount of sprayed mist and cannot spray water flow. This defect often causes trouble in the above-mentioned application scenarios, and the pressure of the sprayed water flow cannot be boosted by the nozzle, thereby leading to the problem that when the pressure of the delivered water flow is low, the distance of the sprayed water flow is short, and thus the fire extinguishing needs to be close to the fire source, which cannot guarantee the safety of the firefighters. SUMMARY

[0004] The utility model discloses a vane type water mist nozzle which aims at solving the defects in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A vane type water mist nozzle comprises a spray pipe, an outer pipe is arranged on the side wall of the spray pipe, a spray frame is arranged at one end of the spray pipe, a supporting mechanism for supporting the spray pipe is arranged between the spray frame and the spray pipe, a plurality of circumferentially arranged guide vanes are fixedly connected to the inner wall of the spray pipe, and a pressure boosting frame is arranged on the inner wall of the spray pipe.

[0007] Preferably, the supporting mechanism comprises a sealing ring arranged between the spray pipe and the spray frame, a positioning ring is arranged on one side of the sealing ring, and a plurality of circumferentially arranged abutment frames are fixedly connected to the side wall of the positioning ring.

[0008] Preferably, one side of the abutment frame is fixedly connected to a matching frame, and the matching frame is made of spring steel.

[0009] Preferably, a pressure boosting opening is arranged on one side of the pressure boosting frame, a connecting groove is arranged on one side of the pressure boosting frame, and the connecting groove corresponds to the guide vane.

[0010] Preferably, a flow-through opening is arranged in the spray frame, a spray head is arranged in the spray frame, and the flow-through opening is in communication with the spray head.

[0011] Preferably, a plurality of circumferentially arranged mounting holes are arranged on one side of the spray frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、 The utility model discloses set up booster frame, pressure inlet, connecting groove and guide vane etc. structure, through the water flow of the position of the spray pipe mouth enters the pressure boost of booster frame and the rotation of guide vane, with the mode of vortex through the spray head and sprays, can increase the water flow pressure of the spray head, can increase the distance of the jet, thereby avoid the problem of close -range fire extinguishing, guarantee the safety problem of fireman.

[0014] 2、 The utility model discloses set up sealing ring, locating ring, resist frame and fit frame etc. structure, through the contact of locating ring and the contact support of fit frame, can guarantee the stability of spray pipe in the working process, avoid the problem that the spray pipe appears poor stability when the pressure in the spray pipe is big. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view structural schematic diagram of a blade type water mist nozzle provided by the utility model;

[0016] Fig. 2 It is an internal structure schematic diagram of a blade type water mist nozzle provided by the utility model;

[0017] Fig. 3 It is a booster frame structure schematic diagram of a blade type water mist nozzle provided by the utility model.

[0018] In the drawing: 1 spray pipe, 2 outer pipe, 3 spray frame, 4 fixed groove, 5 sealing ring, 6 locating ring, 7 resist frame, 8 fit frame, 9 booster frame, 10 pressure inlet, 11 connecting groove, 12 spray head, 13 flow passage, 14 mounting hole, 15 guide vane. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific implementation.

[0020] REFERENCE Figs. 1-3 A kind of blade type water mist nozzle, including spray pipe 1, the side wall of spray pipe 1 is equipped with outer pipe 2, one end of spray pipe 1 is equipped with spray frame 3, spray frame 3 is equipped with flow passage 13, spray frame 3 is equipped with spray head 12, flow passage 13 is communicated with spray head 12, spray frame 13 is equipped with multiple circumferential installation holes 14 on one side;

[0021] The support mechanism for supporting the spray pipe 1 is arranged between the spray frame 3 and the spray pipe 1, and comprises a sealing ring 5 arranged between the spray pipe 1 and the spray frame 3, the sealing ring 5 is provided with a positioning ring 6 on one side, the side wall of the positioning ring 6 is fixedly connected with a plurality of circumferentially arranged supporting frames 7, one side of the supporting frame 7 is fixedly connected with a matching frame 8, and the matching frame 8 is made of spring steel.

[0022] The inner wall of the spray pipe 1 is fixedly connected with a plurality of circumferentially arranged guide vanes 15, the inner wall of the spray pipe 1 is provided with a booster frame 9, the booster frame 9 is provided with a booster port 10 on one side, and the booster frame 9 is provided with a connecting groove 11 on one side, and the connecting groove 11 corresponds to the guide vane 15.

[0023] In use, the positioning ring 6 is first sleeved on the sealing ring 5, at this time, the plurality of supporting frames 7 support the matching frame 8, and the spring steel material of the matching frame 8 can realize elastic contact and abutting of the installation position, so as to provide stable contact and support process for the installation process of the spray pipe 1, ensure the stability of the spray pipe 1 in the use process, and when the water flow pressure in the spray pipe 1 is large, the stability of the spray pipe 1 can be ensured, the water flow enters through the booster port 10 on one side of the booster frame 9 and enters the inside of the spray pipe 1 through the flow-through groove 11, and then under the guidance of the plurality of guide vanes 15, the rotating flow-through state can be formed, at this time, the rotating boosting mode can be used to enter the nozzle 12 through the flow-through port 13 to complete the secondary boosting process, so that the water flow pressure of the nozzle 12 is enough to spray the distance, thereby avoiding the problem that close-range fire extinguishing affects the firefighters.

[0024] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A vane-type water mist nozzle comprising a nozzle tube (1), characterized in that The side wall of the spray pipe (1) is provided with an outer pipe (2), one end of the spray pipe (1) is provided with a spray frame (3), a supporting mechanism for supporting the spray pipe (1) is arranged between the spray frame (3) and the spray pipe (1), the inner wall of the spray pipe (1) is fixedly connected with a plurality of circumferentially arranged guide vanes (15), and the inner wall of the spray pipe (1) is provided with a booster frame (9).

2. A vane water mist nozzle according to claim 1, wherein The supporting mechanism comprises a sealing ring (5) arranged between the spray pipe (1) and the spray frame (3), one side of the sealing ring (5) is provided with a positioning ring (6), and the side wall of the positioning ring (6) is fixedly connected with a plurality of circumferentially arranged abutment frames (7).

3. A vane water mist nozzle according to claim 2, wherein One side of the abutment frame (7) is fixedly connected with a close-contact frame (8), and the close-contact frame (8) is made of spring steel.

4. A vane water mist nozzle according to claim 3, wherein One side of the booster frame (9) is provided with a booster opening (10), one side of the booster frame (9) is provided with a connecting groove (11), and the connecting groove (11) corresponds to the guide vane (15).

5. A vane water mist nozzle according to claim 4, wherein The spray frame (3) is provided with a flow-through opening (13) and a spray head (12), and the flow-through opening (13) is in communication with the spray head (12).

6. A vane water mist nozzle according to claim 5, wherein A plurality of circumferentially arranged mounting holes (14) are formed in one side of the spray frame (3).

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