CN109999388B

CN109999388B - Fire extinguisher with permanent pressure starting valve arranged in hose

Info

Publication number: CN109999388B
Application number: CN201910326284.6A
Authority: CN
Inventors: 陈春来
Original assignee: Fire Trade Private Ltd
Current assignee: Fire Trade Private Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-10-20
Anticipated expiration: 2039-04-23
Also published as: CN109999388A

Abstract

The invention discloses a fire extinguisher with a permanent pressure starting valve arranged in a hose, which comprises: a fire extinguisher bottle, a spray pipe assembly and a dry powder flowability testing assembly; the spray pipe assembly comprises a first rigid pipe, a flexible pipe and a second rigid pipe, one end of the first rigid pipe is connected with an outlet of the fire extinguisher bottle, the other end of the first rigid pipe is provided with a plugging valve, and the first rigid pipe is provided with a disposable broken pipe valve; the tail part of the flexible pipe is sleeved on the first rigid pipe and hermetically wraps the disposable broken pipe valve, the second rigid pipe is sleeved on the tail part of the flexible pipe, and the upper end and the lower end of the second rigid pipe are fixed on a fire extinguisher bottle; loosening the upper fixed point of the second rigid pipe, bending the second rigid pipe along the lower fixed point of the second rigid pipe, and after the valve of the disposable breaking pipe is broken, enabling the fire extinguishing agent in the fire extinguisher bottle to flow in the flexible pipe and be ejected out of the head of the flexible pipe; the spray gun is sleeved on the head of the flexible pipe, and the dry powder flowability testing component comprises a viewing window and a dry powder flowability tester.

Description

Fire extinguisher with permanent pressure starting valve arranged in hose

Technical Field

The invention relates to the technical field of fire extinguishers, in particular to a fire extinguisher with a permanent pressure starting valve arranged in a hose.

Background

The worst thing for a fire extinguisher with permanent pressure in the bottle is air leakage, and the following methods are often adopted to avoid air leakage: 1. the mode that the spring presses the sealed part is adopted, if the spring force is too small, air leakage can be caused, and if the spring force is too large, the valve cannot be started because the valve cannot be pressed by hand; 2. the mode that the screw thread is rotated and is pressed on the sealed place is adopted, if press too tightly, then the trouble of pressing down the valve core and opening to the disconnected time when opening for a long time.

Since fire extinguishers rarely have a chance to encounter a fire, there is a fire extinguisher installed in a hard valve at the upper end of a bottle by the following two disposable sealing methods: 1. the film is inserted and broken, but the film thickness is difficult to be inserted into the hole uniformly, so that the radiation time is influenced, and if the film thickness is too thin, the film is not inserted and broken; 2. the copper material breakable plug valve with the shape like the plug is inferred, the inner and outer lathes do not have the trouble of pushing, the diameter of the breakable part of the internal breakable plug cannot be measured during maintenance, and the breakable part is too thin and has the worry of air leakage.

The prior fire extinguisher can not accurately judge the fluidity of dry powder.

Disclosure of Invention

In view of the above-mentioned problems, the present invention provides a fire extinguisher having a permanent pressure-activated valve disposed within the hose.

The invention discloses a fire extinguisher with a permanent pressure starting valve arranged in a hose, which comprises: a fire extinguisher bottle, a spray pipe assembly and a dry powder flowability testing assembly;

the spray pipe assembly comprises a first rigid pipe, a flexible pipe and a second rigid pipe, one end of the first rigid pipe is connected with an outlet of the fire extinguisher bottle, the other end of the first rigid pipe is provided with a blocking valve, and the first rigid pipe is provided with a disposable broken pipe valve; the tail part of the flexible pipe is sleeved on the first rigid pipe and hermetically wraps the disposable broken pipe valve, the second rigid pipe is sleeved on the tail part of the flexible pipe, and the upper end and the lower end of the second rigid pipe are fixed on the fire extinguisher bottle; loosening the upper fixing point of the second rigid pipe, bending the second rigid pipe along the lower fixing point of the second rigid pipe, and after the valve of the disposable rupture pipe is ruptured, enabling the fire extinguishing agent in the fire extinguisher bottle to flow in the flexible pipe and be ejected from the head of the flexible pipe;

the dry powder flowability testing component comprises an inspection window and a dry powder flowability tester, wherein the inspection window is installed on the fire extinguisher bottle, and the dry powder flowability tester is installed in the fire extinguisher bottle corresponding to the inspection window.

As a further improvement of the invention, the first rigid pipe is a metal pipe, and the first rigid pipe is arranged on the outlet of the fire extinguisher bottle;

the disposable broken pipe valve is an annular V-shaped groove arranged on the first rigid pipe, and the depth of the annular V-shaped groove is larger than half of the wall thickness of the first rigid pipe.

As a further improvement of the invention, a fastener is sleeved on the first rigid pipe, the lower end of the second rigid pipe is aligned with the lower end of the flexible pipe, a first barb cushion block for tightly attaching the flexible pipe to the second rigid pipe is arranged at the lower end of the second rigid pipe, the first rigid pipe penetrates through a central hole of the first barb cushion block, the first barb cushion block is fixedly screwed with the fastener, and the disposable broken pipe valve is higher than the first barb cushion block;

and the upper end of the second rigid pipe is provided with a second barb cushion block for tightly attaching the flexible pipe to the second rigid pipe.

As a further improvement of the invention, the lower end of the second rigid pipe is fixed on the fire extinguisher bottle through a lower fastener, and the disposable broken pipe valve is higher than the lower fastener;

the upper end of the second rigid pipe is fixed on the fire extinguisher bottle through an upper fastener, a safety bolt is arranged on the upper fastener, and the second rigid pipe can be separated from the upper fastener by taking down the safety bolt.

As a further improvement of the invention, a flat anti-blocking device is arranged in the flexible pipe and is arranged between the blocking valve and an upper fixed point of the second rigid pipe.

As a further improvement of the invention, a safety rope is bound on the second rigid pipe, and the other end of the safety rope is bound on the fire extinguisher bottle; the safety rope ensures that the bending angle of the second rigid pipe ensures that the disposable broken pipe valve is broken and avoids blocking a flow channel of the fire extinguishing agent in the flexible pipe.

As a further improvement of the invention, the second rigid pipe is provided with a slotted hole corresponding to the disposable broken pipe valve, so that the second rigid pipe can be conveniently bent.

As a further improvement of the invention, the flexible pipe is a fire hose or a fire extinguisher round pipe.

As a further improvement of the invention, the dry powder flowability tester is a conical hopper.

Compared with the prior art, the invention has the beneficial effects that:

the wall thickness of the disposable broken pipe valve is thicker than that of the traditional valve, and superfine processing is not needed, so that the permanent pressure storage of the fire extinguisher is facilitated, the air leakage is not easy to occur, and the disposable broken pipe valve is easy to process;

the fire extinguisher provided by the invention has the advantages that the force arm of the one-time broken pipe valve is increased through the long-distance handle, so that the valve can be broken by one-time bending, and the fire extinguishing agent in the fire extinguisher can be quickly released;

the invention accurately judges the fluidity of the dry powder by checking the dry powder fluidity tester in the fire extinguisher bottle.

Drawings

FIG. 1 is a schematic illustration of a fire extinguisher with a permanently pressure activated valve disposed within a hose according to one embodiment of the present invention;

FIG. 2 is an exploded view of a disposable rupture disk valve and fire extinguisher with dry powder flowability tester according to one embodiment of the present invention;

FIG. 3 is an overall assembly view of the disclosed fire extinguisher with a permanent pressure activated valve in the hose;

FIG. 4 is a schematic illustration of the use of a fire extinguisher with a permanently pressure activated valve disposed within the hose according to one embodiment of the present invention;

FIG. 5 is a schematic illustration of the use of a fire extinguisher with a permanently pressure activated valve disposed within the hose according to another embodiment of the present invention;

fig. 6 is a schematic view of a fire extinguisher with a permanently pressure activated valve disposed within the hose according to another embodiment of the present invention.

In the figure:

11. a fire extinguisher bottle; 21. a first rigid tube; 22. a flexible tube; 23. a second rigid tube; 24. a plugging valve; 25. breaking the tube valve at one time; 26. a fastener; 27. a first barb block; 28. a second barb cushion block; 29. a lower fastener; 210. an upper fastener; 211. a safety plug; 212. a flat anti-blocking device; 213. a safety cord; 214. a slot; 31. a spray gun body; 32. pressing the handle; 33. a spring; 34. a third barb block; 41. looking at the window; 42. dry powder flowability tester.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is described in further detail below with reference to the attached drawing figures:

as shown in fig. 1-3, the present invention discloses a fire extinguisher with a permanent pressure-activated valve disposed in a hose, comprising: the fire extinguisher comprises a fire extinguisher bottle 11, a spray pipe assembly, a spray gun and a dry powder flowability testing assembly; wherein:

the nozzle assembly of the present invention comprises a first rigid tube 21, a flexible tube 22, a second rigid tube 23, a blocking valve 24, a disposable breakable tube valve 25, a clip 26, a first barbed pad 27, a second barbed pad 28, a lower fastener 29, an upper fastener 210, a safety plug 211, a flat plug 212, and a safety cord 213. The first rigid pipe 21 is a metal pipe, the first rigid pipe 21 is installed on the outlet of the fire extinguisher bottle 11, and the connection mode adopts the threaded connection between the external thread of the first rigid pipe 21 and the internal thread of the fire extinguishing agent outlet of the fire extinguisher bottle 11; a plugging valve 24 is installed at the upper end of a vertical pipe of the first rigid pipe 21, a disposable broken pipe valve 25 is arranged on the first rigid pipe 21, an annular V-shaped groove is formed in the first rigid pipe 21 by turning the disposable broken pipe valve 25, and the depth of the annular V-shaped groove is larger than half of the wall thickness of the first rigid pipe 21; when the first rigid tube 21 is not broken off from the one-time break-off tube valve 25, the fire extinguishing agent (dry powder) in the fire extinguisher bottle 11 is sealed inside the fire extinguisher bottle 11 by the sealing valve 24.

The flexible pipe 22 can be a fire hose or a fire extinguisher round pipe, the flexible pipe 22 is used for sealing and wrapping the disposable broken pipe valve 25, the head part of the flexible pipe 22 is sealed by a spray gun, and the interior of the flexible pipe is not pressurized when not in use. Specifically, the tail part of the flexible pipe 22 is sleeved on the first rigid pipe 21 and hermetically wraps the disposable broken pipe valve 25, the second rigid pipe 23 is sleeved on the tail part of the flexible pipe 22, and the upper end and the lower end of the second rigid pipe are fixed on the fire extinguisher bottle 11; when the disposable breaking pipe valve 25 is broken, the fire extinguishing agent in the fire extinguisher bottle 11 flows in the flexible pipe 22 and is ejected from the head of the flexible pipe 22. Wherein, the cover has fastener 26 on the first rigid tube 21, the lower extreme of second rigid tube 23 aligns with the lower extreme of flexible pipe 22, the lower extreme of second rigid tube 23 is equipped with pastes tight second rigid tube 23 first barb cushion 27 with flexible pipe 22, first rigid tube 21 passes the centre bore of first barb cushion 27, first barb cushion 27 is fixed with fastener 26 spiro union, disposable rupture pipe valve 25 is a little higher than first barb cushion 27, guarantee that disposable rupture pipe valve 25 can be smooth by the rupture. The upper end of the second rigid pipe 23 is provided with a second barb block 29 for attaching the flexible pipe 22 to the second rigid pipe 23. The lower end of the second rigid pipe 23 is fixed on the fire extinguisher bottle 11 through a lower fastener 29, the disposable broken pipe valve 25 is slightly higher than the lower fastener 29, and a slot hole 214 convenient for the second rigid pipe to bend is arranged on the second rigid pipe 23 corresponding to the disposable broken pipe valve 25; the upper end of the second rigid pipe 23 is fixed to the fire extinguisher cylinder 11 by an upper fastener 210, a safety bar 211 is provided on the upper fastener 210, and the second rigid pipe 23 can be separated from the upper fastener 210 by removing the safety bar 211.

Further, a flat anti-blocking device 212 is arranged in the flexible pipe 22, and the flat anti-blocking device 212 is arranged between the blocking valve 24 and the upper fixing point of the second rigid pipe 23.

Further, a safety rope 213 is tied on the second rigid pipe 23, and the other end of the safety rope 213 is tied on the fire extinguisher bottle 11; the safety line 213 ensures that the angle of the bend of the second rigid tube 23 causes the one-time breakable tube valve 25 to break and avoid blocking the flow path of the fire suppressant in the flexible tube.

The spray gun comprises a spray gun body 31, a pressing handle 32 and a spring 33, wherein the spray gun body 31 is sleeved at the head of the flexible tube 22, and the tail of the spray gun body 31 is provided with a third barb cushion block 34 for tightly adhering the flexible tube 22 to the spray gun body 31. The pressure handle 32 is hinged on the spray gun body 31, and a spring 33 is arranged at the hinged position; when in use, the pressing handle 32 is pressed down, and the pressing handle 32 loosens the flexible pipe 22 to eject the fire extinguishing agent; the pressing handle 32 is released and the flexible tube 22 is reset and clamped under the action of the spring 33.

The dry powder flowability testing component comprises a checking window 41 and a dry powder flowability tester 42, wherein the checking window 41 can adopt a checking component disclosed by ZL201510498479.0, and the dry powder flowability tester 42 is a conical hopper; the inspection window 41 is installed on the fire extinguisher bottle, and the dry powder flowability tester 42 is installed in the fire extinguisher bottle corresponding to the inspection window.

The larger the effectiveness of the existing fire extinguisher is, the better, but the weaker is required to put a fire extinguisher with a national standard total weight of less than 20kg on hand, which is impossible, but the design problem is not put on hand, which is not effective, most eastern countries stipulate that the fire extinguisher must be put on the ground to be padded a little higher, with a box or a fire extinguisher seat that may be expensive over the fire extinguisher, because the eastern human body is slightly smaller than the western one, if it is difficult to take off and hang on the wall like the western one, but the western people change the height standard of the hanger the lower the height standard, because the foot is seriously injured if dropped, the foot drop is guaranteed to be injured no matter how low the height, and if a wheel is added, the cost is increased the other standard. Therefore, as shown in fig. 4 and 5, the fire extinguisher according to the present invention can be mounted on a small wheel vehicle or a hand buggy.

As shown in FIG. 6, the present invention can also adopt the fire extinguisher structure as shown in FIG. 6, the blocking valve 24 is disposed in the middle of the first rigid pipe 21, and the first rigid pipe 21 is provided with a plurality of round holes above the blocking valve 24; when in use, the valve 25 of the disposable broken pipe is broken, the first rigid pipe from the broken part to the uppermost part moves upwards to prop against the second barb cushion block 28, and the dry powder in the fire extinguisher bottle moves into the hose from the broken part and is sprayed out from the top outlet of the first rigid pipe 21 through a plurality of round holes.

The invention has the advantages that:

according to the invention, the flexible pipe 22 is sleeved by the second rigid pipe 23, the second rigid pipe 23 is called a lengthened breaking handle, the position of the valve 25 of the disposable breaking pipe is protected from being broken, when the disposable breaking pipe is used, the safety bolt 210 of the upper fastener 29 is taken out, the safety rope is pulled straight and then pulled back like the air gun pressurizing handle, the action is equal to that the position of the valve 25 of the disposable breaking pipe is broken by being folded back and forth once, at the moment, the fire extinguishing agent is ejected, but the spring force of a spring on the spray gun is pressed down to stop at the spray gun, and the ejection is carried out by pressing the valve handle, so that the fire extinguishing agent conforms to the national standard of fire.

The invention relates to a spray gun hose tail end, namely, no matter in a spray gun mouth tube: when the spray gun handle is used as a hose clamp, a fixed displacement device is clamped in the hose, and when the fixed displacement device is clamped by a spring, the fixed displacement device is closed and is opened to the maximum by hand.

The lowest part of the lengthened handle slide replaces the fur lifting weight: the handle is raised by one time, when 45 degrees, the total weight is reduced by more than half at once, the handle is inclined randomly, two radians slide on the ground in one direction, the handle is designed to slide only when a fire happens, the handle is not used for carrying when the fire happens, 4 feet/radians are also equal to the height of the pad, and the height of the pad does not have the chance of falling down to hurt people.

The invention is operated according to the standard, and the condition that the powder can completely pass is passed, namely that the powder can not be completely extracted by installing a 'fluidity tester' in the national standard of the dry powder extinguishing agent in a glass bead window in a bottle or not decompressing during the national standard visual inspection, but the diameter of a discharge port of the fluidity tester can be proportionally reduced to be unqualified when the powder does not flow, and the time for freely passing through the discharge port is not observed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 extinguisher having a permanent pressure activated valve disposed within a hose, comprising: a fire extinguisher bottle, a spray pipe assembly and a dry powder flowability testing assembly;

2. A fire extinguisher with a permanent pressure activated valve in the hose according to claim 1, characterized in that said first rigid tube is a metal tube, said first rigid tube being mounted on the outlet of said extinguisher bottle with its final inlet at the bottom of the bottle;

3. The fire extinguisher with a permanent pressure activated valve disposed inside a hose according to claim 1, wherein the first rigid tube is sleeved with a latch member, the lower end of the second rigid tube is aligned with the lower end of the flexible tube, the lower end of the second rigid tube is provided with a first barbed pad for attaching the flexible tube to the second rigid tube, the first rigid tube passes through the central hole of the first barbed pad, the first barbed pad is fixed with the latch member by screwing, and the one-time break tube valve is higher than the first barbed pad;

4. The fire extinguisher with a permanent pressure activated valve in the hose according to claim 1, wherein the lower end of the second rigid tube is fixed to the fire extinguisher cylinder by a lower fastener, and the one-time break tube valve is higher than the lower fastener;

5. The fire extinguisher with a permanent pressure activated valve in a flexible tube of claim 1, wherein a flat anti-clog is located in said flexible tube and is positioned between said block valve and an upper fixed point on said second rigid tube.

6. A fire extinguisher with a permanent pressure activated valve in a hose according to claim 1, wherein a safety rope is tied to said second rigid tube, and the other end of said safety rope is tied to said fire extinguisher bottle; the safety rope ensures that the bending angle of the second rigid pipe ensures that the disposable broken pipe valve is broken and avoids blocking a flow channel of the fire extinguishing agent in the flexible pipe.

7. The fire extinguisher with a permanent pressure activated valve in the hose according to claim 6, wherein the second rigid tube is provided with a slot corresponding to the valve of the disposable rupture tube to facilitate bending of the second rigid tube.

8. A fire extinguisher with a permanent pressure activated valve in the hose according to claim 1, wherein the flexible hose is a fire hose or fire extinguisher cylinder.

9. A fire extinguisher with a permanent pressure activated valve in the hose according to claim 1, wherein said dry powder flowability tester is a transparent cone-shaped hopper.