CN216258845U

CN216258845U - Crocodile mouth-like foam nozzle

Info

Publication number: CN216258845U
Application number: CN202122718578.9U
Authority: CN
Inventors: 涂建新; 许浩然; 廖建华
Original assignee: Jiangxironghexiaofang
Current assignee: Jiangxironghexiaofang
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-12
Anticipated expiration: 2031-11-08

Abstract

The utility model provides an imitative crocodile mouth formula foam nozzle, includes the shower nozzle main part to and the cover is located nozzle in the shower nozzle main part, the slope is equipped with first serration plate on the terminal side of nozzle, and the slope is equipped with second serration plate on the relative side, the sawtooth of first serration plate terminal with contained angle between the sawtooth of second serration plate terminal is the acute angle. According to the utility model, the first serrated plate and the second serrated plate collide with water flow in the spraying process, so that the contact area of the foam mixed liquid is increased, the foam is increased, the sprayed foam mixed liquid is fully mixed with air, the foaming times of the foam mixed liquid are increased, and the range and the spraying area can be ensured.

Description

Crocodile mouth-like foam nozzle

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to an crocodile mouth-like foam nozzle.

Background

The foam nozzle is fire extinguishing equipment for generating and spraying air foam and is mainly used in low-expansion foam spraying systems. In the fire extinguishing process, the foam mixed liquid is conveyed to the foam nozzle through a pipeline, air is sucked at the outlet of the foam nozzle to form air foam, and the air foam is sprayed in a protected dangerous area to achieve the purpose of fire extinguishing. In the existing foam nozzle, the mixing effect of air and foam is poor in the fire extinguishing process, and the preset foaming multiple is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide an crocodile-like foam nozzle to enhance the mixing effect between air and foam.

The utility model provides an imitative crocodile mouth formula foam nozzle, includes the shower nozzle main part to and the cover is located nozzle in the shower nozzle main part, the slope is equipped with first serration plate on the terminal side of nozzle, and the slope is equipped with second serration plate on the relative side, the sawtooth of first serration plate terminal with contained angle between the sawtooth of second serration plate terminal is the acute angle.

Compared with the prior art, the foam spraying device has the advantages that the first serrated plate and the second serrated plate collide with water flow in the spraying process, so that the contact area of the foam mixed liquid is increased, foam is increased, the sprayed foam mixed liquid is fully mixed with air, the foaming times are increased, the range can be ensured, and the spraying area can be ensured.

Further, the length of the first sawtooth plate is greater than that of the second sawtooth plate, and the length of the tail end of the sawtooth of the first sawtooth plate is greater than that of the tail end of the sawtooth of the second sawtooth plate.

Furthermore, an included angle between the first serrated plate and the axis of the nozzle is smaller than an included angle between the second serrated plate and the axis of the nozzle.

Furthermore, the tail end of the nozzle is provided with a first water outlet and a second water outlet, the first water outlet is close to the first serrated plate, and the second water outlet is close to the second serrated plate.

Furthermore, the axis of the first water outlet is parallel to the axis of the nozzle, and the sawtooth tail end of the first sawtooth plate at least covers half of the area of the first water outlet.

Furthermore, an included angle between the axis of the second water outlet and the axis of the nozzle is an acute angle, and the sawtooth tail end of the second sawtooth plate at least covers two thirds of the area of the second water outlet.

Further, the inner diameter of the head main body is first reduced and then increased.

Drawings

FIG. 1 is a schematic structural view of an imitation crocodile-mouth foam nozzle of the present invention;

fig. 2 is a schematic structural view of the sawtooth end of the second sawtooth plate in fig. 1.

Description of the main element symbols:

spray head main body	10	Nozzle with a nozzle body	11
				The first water outlet	111	Second water outlet	112
First serration plate	12	Second sawtooth plate	13

The following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an alligator-like foam nozzle provided in an embodiment of the present invention includes a nozzle body 10, and a nozzle 11 sleeved on the nozzle body 10, wherein a first serrated plate 12 is obliquely disposed on one side edge of a tail end of the nozzle 11, a second serrated plate 13 is obliquely disposed on an opposite side edge of the tail end of the nozzle 11, and an included angle between a serrated end of the first serrated plate 12 and a serrated end of the second serrated plate 13 is an acute angle.

It should be noted that, in the present invention, the first serrated plate 12 and the second serrated plate 13 collide with the water flow during the spraying process, so as to increase the contact area of the foam mixed liquid, thereby increasing the foam, and simultaneously, the sprayed foam mixed liquid is fully mixed with the air, and the foaming multiple is increased, so that the range and the spraying area can be ensured.

It is understood that in other embodiments, the first serration plate 12 and the second serration plate 13 may be provided in a sliding state to adjust the protruding length of the first serration plate 12 and the second serration plate 13, thereby changing the spray angle.

Referring to fig. 1, in a preferred embodiment of the present invention, the length of the first sawtooth plate 12 is greater than the length of the second sawtooth plate 13, and the length of the sawtooth end of the first sawtooth plate 12 is greater than the length of the sawtooth end of the second sawtooth plate 13, so as to increase the contact area of the foam mixture, thereby increasing the foam.

Referring to fig. 1, in a preferred embodiment of the present invention, an included angle between the first serration plate 12 and the axis of the nozzle 11 is smaller than an included angle between the second serration plate 13 and the axis of the nozzle 11.

Referring to fig. 1, in a preferred embodiment of the present invention, a first water outlet 111 and a second water outlet 112 are disposed at a terminal end of the nozzle 11, the first water outlet 111 is close to the first serration plate 12, and the second water outlet 112 is close to the second serration plate 13.

Referring to fig. 1, in a preferred embodiment of the present invention, an axis of the first water outlet 111 is parallel to an axis of the nozzle 11, and a saw-tooth end of the first saw-tooth plate 12 covers at least a half area of the first water outlet 111 to increase a contact area of the foam mixture, thereby increasing foam.

Referring to fig. 1, in a preferred embodiment of the present invention, an included angle between an axis of the second water outlet 112 and an axis of the nozzle 11 is an acute angle, and a saw-tooth end of the second saw-tooth plate 13 covers at least two thirds of an area of the second water outlet 112 to increase a contact area of the foam mixture, thereby increasing foam.

Referring to fig. 1, in a preferred embodiment of the present invention, the inner diameter of the head body 10 is increased after being decreased to increase the injection water pressure.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an imitative crocodile mouth formula foam nozzle which characterized in that: including the shower nozzle main part to and the cover is located nozzle in the shower nozzle main part, the slope is equipped with first serration plate on the terminal side of nozzle, and the slope is equipped with second serration plate on the relative side, the sawtooth of first serration plate terminal with contained angle between the sawtooth of second serration plate is the acute angle.

2. The imitation crocodile-mouth foam sprayer of claim 1, wherein the length of the first serrated plate is greater than the length of the second serrated plate, and the length of the serrated tip of the first serrated plate is greater than the length of the serrated tip of the second serrated plate.

3. The crocodile-like foam nozzle of claim 2, wherein the angle between the first serrated plate and the axis of the nozzle is less than the angle between the second serrated plate and the axis of the nozzle.

4. The crocodile-like foam nozzle of claim 3, wherein a first water outlet and a second water outlet are formed at the tail end of the nozzle, the first water outlet is close to the first serrated plate, and the second water outlet is close to the second serrated plate.

5. The crocodile-like foam nozzle of claim 4, wherein the axis of the first water outlet is parallel to the axis of the nozzle, and the serrated end of the first serrated plate covers at least half of the area of the first water outlet.

6. The crocodile-like foam nozzle of claim 4, wherein the axis of the second water outlet and the axis of the nozzle form an acute angle, and the sawtooth tip of the second sawtooth plate covers at least two thirds of the area of the second water outlet.

7. The imitation crocodile-mouth foam nozzle of any one of claims 1 to 6, wherein the inner diameter of the nozzle body decreases and then increases.