CN211188860U

CN211188860U - Backpack type medium-expansion foam fire extinguisher

Info

Publication number: CN211188860U
Application number: CN201922128080.XU
Authority: CN
Inventors: 赵卫兴; 李曙刚
Original assignee: Jiangsu Jixin Ship Equipment Co ltd
Current assignee: Jiangsu Jixin Ship Equipment Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-07
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a backpack type medium-multiple foam fire extinguisher, which comprises a foam barrel, a medium-multiple foam generator, a pipette and a pipe tooth joint buckle; the foam barrel is an arc barrel; a handle is arranged at the geometric center of the upper surface of the foam barrel; the upper surface of the foam barrel is also provided with a liquid feeding hole, and a circular foam barrel cover is arranged on the liquid feeding hole; an upper fixing bracket is arranged on the non-upper surface of the foam barrel; a liquid outlet is formed in the lower portion of the foam barrel corresponding to the upper fixing support, a stop valve is arranged at the liquid outlet, and the liquid suction pipe is fixed on the foam barrel through the stop valve; the middle part of the foam barrel is provided with a lower fixed bracket; the liquid suction pipe is a plastic hose; one end of the pipe thread joint buckle is provided with a joint buckle matched with the fire hydrant, the middle part of the pipe thread joint buckle is provided with a switch valve, the other end of the pipe thread joint buckle is connected with the middle-multiple foam generator, and the pipette is connected at the joint of the pipe thread joint buckle and the middle-multiple foam generator; the medium-power foam generator comprises a first foaming part, a second foaming part and a spraying part which are sequentially connected.

Description

Backpack type medium-expansion foam fire extinguisher

Technical Field

The utility model relates to a multiple foam extinguisher among portable foam extinguisher field, especially a knapsack formula.

Background

After a fire occurs, an appropriate fire extinguishing tool is generally selected according to the properties of a burning object to extinguish, a dry powder fire extinguisher, a foam fire extinguisher and the like are generally used, when a fire is extinguished in an open field on a ship, most of the fire extinguishers adopt a fire hose to directly extinguish the fire by using water, the dry powder fire extinguisher and the foam fire extinguisher are generally used for oil-gas fire, the foam fire extinguisher can spray a large amount of carbon dioxide and foam which can be adhered to the combustible object to isolate the combustible object from air, the conventional foam fire extinguisher is disclosed as a Chinese utility model, namely, a portable foam fire extinguisher (authorization publication No. CN207506886U) comprises a foam extinguisher body, a metal liner is arranged inside the foam extinguisher body, a support rod is connected to the lower end of the foam extinguisher body, a universal wheel is connected to the middle part of the lower end of the foam extinguisher body close to the inner side, a common handle is arranged on one side of the lower end of the metal liner, an isolation layer is arranged on the outer side of the foam extinguisher body, an isolation layer is arranged on the inner side of the foam extinguisher body, a first container is provided with three spray nozzles and a flow valve, a vehicle-type fire extinguisher is capable of improving the quality, the support rod is arranged on the foam extinguisher and the foam extinguisher is only used for fixing the foam extinguisher and is used for fixing the foam extinguisher, or is used for fixing the foam extinguisher and the foam extinguisher is similar to spray a foam extinguisher, the foam extinguisher is used for.

Still another portable knapsack fire extinguisher mainly used gardens conflagration put out, its structure is like chinese utility model: a portable wind fire extinguisher for gardens (authorized bulletin number: CN206715093U) comprises a backpack type box body, a first wind fire extinguisher, a second handle, a second mounting frame and a dry powder fire extinguisher, wherein a protection pad is arranged in the central position of the inner side wall of the backpack type box body, two groups of braces are arranged on the backpack type box body outside the protection pad, a storage battery is arranged at the top of the backpack type box body, a protection shell is arranged outside the storage battery, a foam fire extinguisher and the dry powder fire extinguisher are respectively arranged inside the backpack type box body, and the foam fire extinguisher and the dry powder fire extinguisher are respectively communicated with the first wind fire extinguisher and the second wind fire extinguisher through hoses. The structure adopts the backpack type box body, inherits the characteristics of lightness and flexibility of the wind fire extinguisher, so that the fire extinguisher is convenient to carry, has smaller size and is convenient for workers to use, and adopts the storage battery to provide power, so that the fire extinguisher is more energy-saving and environment-friendly, has obvious economic benefit and is convenient to popularize and use; however, the fire extinguisher can only carry limited fire extinguishing agent and is not suitable for continuous operation.

Therefore, further improvements to portable medium-expansion foam extinguishers are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple foam extinguisher in knapsack formula can the quick response demand of putting out a fire, can continuously carry out the foam supply.

In order to achieve the purpose of the utility model, a backpack type medium-expansion foam fire extinguisher is provided, which comprises a foam barrel, a medium-expansion foam generator, a liquid suction pipe and a pipe tooth joint buckle;

the foam barrel is an arc barrel, wherein the cross section of the foam barrel comprises a shorter arc and a longer arc which are concentric, and two ends of the two arcs are connected through two symmetrical small arcs with the same diameter; a handle is arranged at the geometric center of the upper surface of the foam barrel; the upper surface of the foam barrel is also provided with a liquid feeding hole, and a circular foam barrel cover is arranged on the liquid feeding hole; an upper fixing support is arranged on the upper surface of the other side of the foam barrel, which is not provided with the foam barrel cover, and the upper fixing support is used for fixing the upper part of the medium-power foam generator; a liquid outlet is formed in the lower portion of the foam barrel corresponding to the upper fixing support, a stop valve is arranged at the liquid outlet, and the liquid suction pipe is fixed on the foam barrel through the stop valve; the middle part of the foam barrel is provided with a lower fixing bracket for fixing the lower part of the foam barrel;

the pipette is a plastic hose;

one end of the pipe thread joint buckle is provided with a joint buckle matched with the fire hydrant, the middle part of the pipe thread joint buckle is provided with a switch valve, the other end of the pipe thread joint buckle is connected with the medium-power foam generator, and the pipette is connected at the joint of the pipe thread joint buckle and the medium-power foam generator;

the middle-multiple foam generator comprises a first foaming part, a second foaming part and an injection part which are sequentially connected, the first foaming part comprises two truncated cone-shaped cylinders, the larger end of a first input cylinder has the same bottom area as the larger end of a first output cylinder and is fixedly connected together, and the length of the first input cylinder is greater than that of the first output cylinder; the second foaming part comprises two truncated cone-shaped cylinder bodies, the length of the second foaming part is greater than that of the first foaming part, the smaller end of the second input cylinder is fixedly connected with the smaller end of the first output cylinder, a foaming channel is arranged in the first input cylinder and the second input cylinder, one end of the second output cylinder is connected with the second input cylinder, and the other end of the second output cylinder is connected with the injection part.

Further, the handle is an arc handle.

Furthermore, the circle center of the liquid adding hole is positioned on a circumference line which passes through the geometric center and is concentric with the longer circular arc and the shorter circular arc.

Further, the plastic hose is an armored plastic hose.

The utility model discloses double foam extinguishing device adopts 6% double foam extinguishing agent in the knapsack formula, sprays the conflagration to certain multiple after through the generator foaming, covers the conflagration region to reach the effect of putting out a fire, accuse fire.

When the backpack type medium-power foam fire extinguishing device works, people can carry the backpack type medium-power foam fire extinguishing device to a safe area close to a fire place by back, the medium-power foam generator is taken down from the upper fixing support, the pipe thread connector is connected with the fire hydrant connector, the stop valve in front of the foam suction pipe is opened, foam liquid is sucked out by using the pressure of the accessed fresh water or seawater, and after the mixed liquid is foamed by the medium-power foam generator, the mixed liquid is sprayed out from the spraying part of the medium-power foam generator, so that the fire area with the distance of more than 5m is covered and extinguished.

Compared with the prior art, the utility model discloses multiple foam extinguisher in knapsack formula has following advantage:

(1) the backpack type medium-time foam fire extinguishing device occupies small space, does not need to be provided with a centralized large-scale foam liquid supply station, and is very suitable for a ship cabin with limited space;

(2) the fire extinguishing device is flexible, can quickly respond to the fire extinguishing requirement of a specific position, and can quickly extinguish a fire source and eliminate smoke;

(3) the design cost and the installation cost of the fire extinguishing system are saved by the formed product, and the mass production is convenient.

Drawings

FIG. 1 is a front view of the backpack type medium-expansion foam fire extinguisher of the present invention;

FIG. 2 is a side view of the backpack type medium-expansion foam extinguisher of the present invention;

fig. 3 is the partial structure schematic diagram of the multiple foam generator in the backpack type medium multiple foam fire extinguisher.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the backpack type medium-expansion foam fire extinguisher of the utility model comprises a foam barrel 1, a medium-expansion foam generator 2, a liquid suction pipe 3 and a pipe tooth joint buckle 4;

the foam barrel 1 is an arc barrel, wherein the cross section of the foam barrel comprises a shorter arc and a longer arc which are concentric, two ends of the two arcs are connected through two symmetrical small arcs with the same diameter, and the arc-shaped structure can be better matched with the structure of a human body, so that the pressure of a person when the person is carried on the back is reduced; a handle 11 is arranged at the geometric center of the upper surface of the foam barrel 1, and the handle 11 generally adopts a semi-arc structure; the upper surface of the foam barrel 1 is also provided with a liquid feeding hole, the liquid feeding hole is provided with a circular foam barrel cover 12, and the center of the liquid feeding hole is positioned on a circumference line passing through the geometric center and concentric with the longer circular arc and the shorter circular arc in general; an upper fixing bracket 13 is arranged on the upper surface of the other side of the foam barrel 1, which is not provided with the foam barrel cover 12, and the upper fixing bracket 13 is used for fixing the upper part of the middle-multiple foam generator 2; a liquid outlet is formed in the lower portion of the foam barrel 1 corresponding to the upper fixing support 13, a stop valve 14 is arranged at the liquid outlet, and the liquid suction pipe 3 is fixed on the foam barrel 1 through the stop valve 14; the middle part of the foam barrel 1 is also provided with a lower fixing bracket 15 for fixing the lower part of the foam barrel 1;

the pipette 3 is made of a high-temperature-resistant and acid-alkali-resistant plastic hose, and can also be made of an armored hose;

one end of the pipe thread joint buckle 4 is provided with a joint buckle matched with the fire hydrant, the middle part is provided with a switch valve, the other end is connected with the middle-multiple foam generator 2, and the pipette 3 is connected at the joint of the pipe thread joint buckle 4 and the middle-multiple foam generator 2, so that foam is sucked from the pipette 3 and then is mixed with seawater or fresh water sucked from the pipe thread joint buckle 4, and the mixture enters the middle-multiple foam generator 2 to generate foam;

the middle-multiple foam generator 2 comprises a plurality of foaming parts, including a first foaming part 21, a second foaming part 22 and an injection part 23 which are connected in sequence, wherein the first foaming part 21 comprises two truncated cone-shaped cylinders, the larger end of the first input cylinder 211 is the same as the larger end bottom area of the first output cylinder 212 and is fixedly connected together, and the length of the first input cylinder 211 is greater than that of the first output cylinder 212; the second foaming part 22 also comprises two truncated cone-shaped cylinder bodies, the length of the second foaming part 22 is greater than that of the first foaming part 21, the smaller end of the second input cylinder 221 is fixedly connected with the smaller end of the first output cylinder 212, foaming channels 24 are arranged in the first input cylinder 211 and the second input cylinder 221, one end of the second output cylinder 222 is connected with the second input cylinder 221, one end of the second output cylinder is connected with the injection part 23, foam enters the second foaming part 22 through the foaming channels 24 after being primarily foamed in the first foaming part 21 to be foamed again, the foam after being fully foamed is outwards sprayed out through the second output cylinder 222 and outwards sprayed out through the injection part 23 to cover on combustible substances to extinguish a fire source.

When the backpack type medium-weight foam fire extinguishing device works, people can carry the backpack type medium-weight foam fire extinguishing device to a safe area close to a fire place, the medium-weight foam generator 2 is taken down from the upper fixing support 13, the pipe thread joint 4 is connected with a fire hydrant interface, the stop valve 14 in front of the foam suction pipe 3 is opened, foam liquid is sucked out by using the pressure of the accessed fresh water or seawater, and after the mixed liquid is foamed by the medium-weight foam generator 2, the mixed liquid is sprayed out from the spraying part 23 of the medium-weight foam generator 2, so that the fire area with the distance of more than 5m is covered and extinguished.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The backpack type medium-expansion foam fire extinguisher is characterized by comprising a foam barrel, a medium-expansion foam generator, a liquid suction pipe and a pipe tooth joint buckle;

the pipette is a plastic hose;

2. The backpack type medium expansion foam fire extinguisher according to claim 1, wherein the handle is a circular arc handle.

3. The backpack-type medium-expansion foam extinguisher according to claim 1, wherein the center of the liquid feeding hole is located on a circumferential line passing through the geometric center and concentric with the longer circular arc and the shorter circular arc.

4. The backpack type medium expansion foam fire extinguisher according to claim 1, wherein the plastic hose is an armored plastic hose.