CN210728499U

CN210728499U - Fire fighting device

Info

Publication number: CN210728499U
Application number: CN201920873691.4U
Authority: CN
Inventors: 唐海; 刘昕; 王琼
Original assignee: Zhongshan Zean Technology Co ltd
Current assignee: Zhongshan Zean Technology Co ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-06-12
Anticipated expiration: 2029-06-10

Abstract

The utility model provides a fire-fighting device, include: a housing having an accommodating space; the pressure container assembly comprises a pressure container, a bottle head valve, a connecting piece and a siphon pipe, wherein the pressure container is transversely arranged in the shell, the bottle head valve is hermetically arranged on a container opening of the pressure container, a first end of the siphon pipe is arranged on the bottle head valve through the connecting piece, and a second end of the siphon pipe is positioned in the pressure container and extends towards the side wall of the pressure container. The technical scheme of the utility model the problem of its siphon installation difficulty of fire control unit of the pressure vessel of horizontal setting among the prior art has been solved effectively.

Description

Fire fighting device

Technical Field

The utility model relates to a fire-fighting equipment's technical field particularly, relates to a fire control unit.

Background

At present, the fire fighting device is generally used in a vertical mode when in use. In particular, the liquid in the container bottle (container) of most fire fighting devices is ejected by driving the liquid out of the siphon tube by pressure, but this method is to ensure that the container bottle (container) is placed vertically to ensure that the liquid suction port of the siphon tube is positioned at the bottom of the bottle, which is favorable for the liquid in the bottle to be ejected as much as possible. However, in some application scenarios, the container bottle needs to be laid down, and due to the structural characteristics of the existing fire fighting device, when the fire fighting device is laid down for use, a large amount of liquid in the container bottle cannot be used.

In the prior art, a container bottle is also placed horizontally, the medicament in the container bottle is discharged out of the container bottle through a siphon, a liquid inlet of the siphon is close to the side wall of the container bottle, and the siphon is bent, so that certain difficulty is caused when the siphon is installed in a pressure container.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a fire fighting device to solve the problem of difficulty in installing the siphon pipe of the fire fighting device of the horizontal pressure vessel in the prior art.

In order to achieve the above object, the utility model provides a fire fighting device includes: a housing having an accommodating space; the pressure container assembly comprises a pressure container, a bottle head valve, a connecting piece and a siphon pipe, wherein the pressure container is transversely arranged in the shell, the bottle head valve is hermetically arranged on a container opening of the pressure container, a first end of the siphon pipe is arranged on the bottle head valve through the connecting piece, and a second end of the siphon pipe is positioned in the pressure container and extends towards the side wall of the pressure container.

Further, the connecting piece is connected with the bottle head valve through sealing threads.

Furthermore, the connecting piece and the siphon are connected in a clamping sleeve type, flaring type, welding or socket type mode.

Furthermore, the siphon comprises a first pipe section, an arc transition section and a second pipe section, wherein the arc transition section is connected between the first pipe section and the second pipe section, the first end of the first pipe section is connected with the bottle head valve, the second end of the first pipe section extends towards the bottom of the pressure container, the first end of the arc transition section is connected with the second end of the first pipe section, the second end of the arc transition section is connected with the first end of the second pipe section, and the first end of the second pipe section extends towards the side wall of the pressure container from the second end of the second pipe section to the second end of the second pipe section.

Further, the axis of the first tube section and the axis of the second tube section are angled between 80 ° and 100 °.

Further, the first end of the first pipe section of the siphon pipe is provided with a mutually matched sealing structure with the bottle head valve through the connecting piece.

Furthermore, the pressure container is provided with a mounting groove at the container opening, the cross sectional area of the mounting groove in the direction from the outside of the container opening to the inside of the container opening is gradually reduced, and an O-shaped ring is mounted on the circumferential outer side of the bottle head valve and is matched with the inner wall of the mounting groove.

Furthermore, the fire fighting device also comprises a release structure which is communicated with the outlet of the bottle head valve through a pipeline.

Further, the release structure includes a plurality of spray heads, and the plurality of spray heads are connected to the pipeline.

Further, a positive placing mark is arranged on the bottle head valve.

Use the technical scheme of the utility model, because pressure vessel is horizontal setting, in order to fully discharge the medicament in the pressure vessel, the siphon is crooked to be set up. The siphon is installed on the bottle head valve through the connecting piece, and the bottle head valve is installed on the container mouth of the pressure container. Some pressure vessels are not easy to install and the siphon can be installed in the pressure vessel. For example, the container mouth is small, and then the siphon pipe is installed on the bottle head valve through the connecting piece, so that the installation of the siphon pipe is easier. The technical scheme of the utility model the problem of its siphon installation difficulty of fire control unit of the pressure vessel of horizontal setting among the prior art has been solved effectively.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a fire fighting device according to the present invention; and

fig. 2 shows a schematic structural view of a pressure vessel assembly of the fire fighting device of fig. 1.

Wherein the figures include the following reference numerals:

10. a housing; 20. a pressure vessel assembly; 21. a pressure vessel; 22. a bottle head valve; 23. a connecting member; 24. a siphon tube; 30. releasing the structure.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 and 2, the fire fighting device of the present embodiment includes: a housing 10 and a pressure vessel assembly 20. The housing 10 has an accommodating space. The pressure vessel assembly 20 includes a pressure vessel 21, a head valve 22, a connector 23, and a siphon 24, the pressure vessel 21 being disposed transversely within the housing 10, the head valve 22 being sealingly mounted on a vessel mouth of the pressure vessel 21, the siphon 24 being mounted at a first end thereof to the head valve 22 via the connector 23, and a second end of the siphon 24 being located within the pressure vessel 21 and extending toward a sidewall of the pressure vessel 21.

In the present embodiment, the siphon tube 24 is bent to discharge the medicine in the pressure container 21 sufficiently because the pressure container 21 is disposed in the horizontal direction. The siphon tube 24 is mounted on the head valve 22 through the connecting member 23, and the head valve 22 is mounted on the vessel mouth of the pressure vessel 21. In some pressure vessels 21, the siphon tube 24 can be installed in the pressure vessel 21, for example, the mouth of the vessel is small, and then the siphon tube 24 is installed on the bottle head valve 22 through the connecting piece 23, so that the installation of the siphon tube 24 is easy. The technical scheme of this embodiment has solved the problem of its siphon installation difficulty of the fire control unit of the pressure vessel of horizontal setting among the prior art effectively.

As shown in fig. 1 and 2, in the solution of the present embodiment, the connecting member 23 is connected to the cylinder head valve 22 by a sealing screw. The structure has the advantages of low processing cost and good sealing effect. The connecting piece 23 and the bottle head valve 22 are connected through threads, so that the connecting piece 23 and the bottle head valve 22 can be detached for multiple times. It is possible that the second end of siphon tube 24 is flared, chamfered or flat cut. The 24-bit bell mouth-shaped structure of the siphon tube can reduce resistance loss.

As shown in fig. 2, in the solution of the present embodiment, the connecting member 23 and the siphon pipe 24 are connected together by a ferrule type connection. Of course, the connection piece 23 and the siphon 24 can also be connected in other ways, for example in a flared, welded or socket connection.

As shown in FIG. 1, in the technical solution of the present embodiment, the siphon 24 includes a first pipe section, an arc-shaped transition section and a second pipe section, the arc-shaped transition section is connected between the first pipe section and the second pipe section, a first end of the first pipe section is connected with the bottle head valve 22 through a connecting piece 23, a second end of the first pipe section extends towards the bottom of the pressure container 21, the first end of the arc-shaped transition section is connected with a second end of the first pipe section, a second end of the arc-shaped transition section is connected with a first end of the second pipe section, and the first end of the second pipe section extends towards the side wall of the pressure container 21. the arrangement of the arc-shaped transition section greatly reduces the resistance of the fire-fighting agent discharge, the bell mouth structure of the present embodiment also greatly reduces the resistance of the fire-fighting agent discharge, the arc-shaped section satisfies that R/D is between 3 and 5, R is the bending radius of the central axis of the arc-shaped section, D is the inner diameter of the pipe of the first pipe section, the downward-bent portion fluid of the siphon 24 passes through the pipe section to generate centrifugal force, causing the secondary flow in the siphon and causes the local resistance of the siphon to be smaller, the local resistance of the siphon 24, the siphon when the radius of the bend is less than the corresponding bend coefficient of the corresponding to be less than the corresponding to be equal to 0.83, and less than the corresponding to 90 when the bend coefficient of the bend of the.

As shown in fig. 2, in the solution of the present embodiment, the angle between the axis of the first pipe section and the axis of the second pipe section is between 80 ° and 100 °.

In the solution of the present embodiment, as shown in fig. 2, the first end of the first pipe section of the siphon 24 has a mutually-matched sealing structure with the cylinder head valve 22 through the connecting piece 23. The above construction ensures that no leakage of the fire-fighting chemical occurs when it passes through siphon 24. Or the fire fighting agent passes through the gap between siphon tube 24 and vial valve 22.

As shown in fig. 2, in the solution of this embodiment, the pressure container 21 has a mounting groove at the container mouth, the cross-sectional area of the mounting groove in the direction from the outside of the container mouth to the inside of the container mouth gradually decreases, and an O-ring is mounted on the circumferential outer side of the bottle head valve 22 to fit with the inner wall of the mounting groove. This ensures that the siphon tube 24 is sealed when installed.

As shown in fig. 1, in the solution of the present embodiment, the fire fighting device further includes a releasing structure 30, and the releasing structure 30 is communicated with the outlet of the cylinder head valve 22 through a pipeline. The releasing structure 30 includes a plurality of nozzles disposed at a plurality of fire points to be controlled. The release structure 30 includes a plurality of spray heads connected to the pipeline. A plurality of different fire points can be controlled by one fire fighting device, which saves costs considerably.

As shown in fig. 2, in the solution of the present embodiment, a positive placement indicator is provided on the bottle head valve 22. The structure ensures that the fire-fighting agent can be discharged out of the pressure container 21 as much as possible when the fire-fighting device is placed. Specifically, the forward placement is indicated as a V-shape, and it is possible to know whether the placement of the pressure vessel 21 is correct by judging the direction of the V-shape.

In the solution of the present embodiment, the second end of the siphon tube 24 is a bell-mouth-shaped structure called a suction port section, and the pressure vessel assembly 20 satisfies:

wherein: c-a predetermined distance between the second end of the suction port section and the sidewall;

D_L-the maximum diameter of the bell-mouth-like structure of the suction opening section;

D_i-the inner diameter of the siphon;

v_i-average flow velocity over the cylindrical surface of the second pipe section;

v_i' -average flow rate of the flared cross section of the suction section;

v_i"-average in siphonFlow rate.

Suppose v_i＝v_i', then c is 0.25D_L. When the suspension height (predetermined distance) c is more than or equal to 0.3D_LIn time, the liquid inlet efficiency is not influenced; when the height c is suspended<0.2D_LAt that time, the efficiency of the feed liquid starts to change. The area of the cylindrical surface enclosed from the edge of the general bellmouth to the bottom is slightly larger than the area of the end surface of the bellmouth, and the suspension height is calculated according to the formula: c ═ 0.3 to 0.5D_L＝(0.5～1)D_i。

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire protection device, comprising:

a housing (10), the housing (10) having an accommodation space;

the pressure container assembly (20) comprises a pressure container (21), a bottle head valve (22), a connecting piece (23) and a siphon pipe (24), wherein the pressure container (21) is transversely arranged in the shell (10), the bottle head valve (22) is hermetically installed on a container opening of the pressure container (21), a first end of the siphon pipe (24) is installed on the bottle head valve (22) through the connecting piece (23), and a second end of the siphon pipe (24) is located in the pressure container (21) and extends towards the side wall of the pressure container (21).

2. A fire fighting unit as defined in claim 1, characterized in that the connection piece (23) is connected with the cylinder head valve (22) by means of a sealing thread.

3. A fire fighting unit as defined in claim 1, characterized in that the connection piece (23) is connected to the siphon (24) by means of a bayonet, flared, welded or spigot-and-socket connection.

4. A fire fighting unit as defined in claim 1, wherein the siphon tube (24) comprises a first tube section, an arc-shaped transition section and a second tube section, the arc-shaped transition section is connected between the first tube section and the second tube section, a first end of the first tube section is connected to the bottle head valve (22), a second end of the first tube section extends toward the bottom of the pressure vessel (21), a first end of the arc-shaped transition section is connected to a second end of the first tube section, a second end of the arc-shaped transition section is connected to a first end of the second tube section, and the first end of the second tube section extends toward the side wall of the pressure vessel (21) from the second end of the second tube section.

5. A fire protection device as claimed in claim 4, wherein the axis of the first pipe section and the axis of the second pipe section are angled between 80 ° and 100 °.

6. A fire fighting unit as defined in claim 4, characterized in that the first end of the first section of the siphon (24) has a mutually cooperating sealing structure with the bottle head valve (22) via the connection (23).

7. A fire fighting unit as defined in claim 6, characterized in that the pressure vessel (21) has a mounting groove at the vessel mouth, the mounting groove having a gradually decreasing cross-sectional area in a direction from outside the vessel mouth to inside the vessel mouth, and an O-ring fitted to an inner wall of the mounting groove is fitted to a circumferential outer side of the head valve (22).

8. A fire fighting unit as defined in claim 1, characterized in that the fire fighting unit further comprises a release structure (30), the release structure (30) being in communication with the outlet of the bottle head valve (22) via a conduit.

9. A fire fighting unit as defined in claim 8, characterized in that the release structure (30) comprises a plurality of spray heads, which are connected to the pipeline.

10. A fire fighting unit as defined in claim 1, characterized in that positive placement indicators are provided on the cylinder head valve (22).