CN201558431U - Manual and automatic integral fire extinguisher - Google Patents

Abstract

A manual and automatic integral fire extinguisher comprises a pressure container, a base coil, a manual injection valve and an automatic injection valve, wherein, the pressure container is composed of a middle cylinder body, an upper closing end and a lower closing end, the bottom of the lower closing end is provided with a through hole capable of accommodating a valve base of the automatic injection valve, one end of valve base of the automatic injection valve is welded with the lower closing end to form an integer by the through hole, the automatic injection valve is fixedly connected onto the other port of the valve base of the automatic injection valve. An inner port of the valve base of the automatic injection valve is directly naked in an inner cavity of the pressure container. The utility model is provided with the automatic injection valve at the bottom of the lower closing end, because of the structure of the lower closing end consistent with the structure of the upper closing end, no influence on the overpressure resistant index of the pressure container is provided, the indexes such as the product overpressure resistant basic numbers can completely achieve the national safe operating requirements of the fire extinguishing equipments.

Description

Manual-auto integrated fire extinguisher

[technical field]

The utility model relates to a kind of fire extinguisher, especially belongs to a kind of manual-auto integrated fire extinguisher.

[background technology]

The operation principle of fire extinguisher is by the ejecting extinguishing medium, suppresses the material of burning as water, carbon dioxide, gas or chemical foam etc., thereby reaches the fire extinguishing purpose.The kind of existing fire extinguisher can be divided into type hand or automatic type fire extinguisher two classes basically, and type hand fire extinguisher user is by the operation to the pressure handle, and the material that discharging suppresses to burn under pressure is put out a fire; Automatic type fire extinguisher autonomous induction fire relies on self-con-tained unit to discharge the material that suppresses burning automatically and puts out a fire.The structure of existing type hand fire extinguisher, generally include the pressure handle that valve body and that a pressure vessel, that is used under pressure storing firing-fighting medium has valve member has assembled safety pin, during operation, the user unloads safety pin, then the jet of fire extinguisher is aimed at burning things which may cause a fire disaster, pressurization, valve member is opened by pressure, firing-fighting medium sprays from pressure vessel puts out a fire.The structure of automatic type fire extinguisher comprises that also pressure vessel, has the valve body of valve member, valve member comprises a temperature-sensitive element, temperature-sensitive element can be in detection of fires under the preset temperature, and the by-pass valve control assembly is opened automatically then, firing-fighting medium is sprayed to combustible substance put out a fire.

Because type hand or automatic type fire extinguisher all are the branch body structures, have limitation during use, can not have the automatic dual-use function of hand concurrently by a device.For this reason:

China Patent No. is 2004200905195 " manually Automatic Fire Extinguisher " to disclose a kind of hand extinguishing device automatically that integrates, its structure comprises the pressure vessel of admitting firing-fighting medium, and the manual injection valve that is arranged on the pressure vessel top, with the automatic injection valve that is arranged on the pressure vessel sidewall, injection valve is connected on the pressure vessel through valve block automatically.Described valve block is provided with temperature-sensitive element, it is bulb,, bulb, one end holds out against the seal head of being located in the valve block seal, the other end is compressed by the dispersion cap of being located at the valve block end, when breaking out of fire, because environment temperature rises sharply, the vitreum of bulb, is expanded and explosion by built-in alcohol, cause seal head under the pressure effect of pressure vessel, to break away from the valve block seal, thereby the firing-fighting medium ejection reaches the fire extinguishing purpose, disperse cap to play the effect that branch spills firing-fighting medium.Therefore, this fire extinguisher has hand self-extinguishing dual-use function concurrently, and it is simple in structure, only needing to install automatic injection valve additional on common manual fire extinguisher can realize, is particularly suitable for the use in small-sized place, if after setting up extension between injection valve and pressure vessel automatically, can also carry out remote drill, therefore, if the fire extinguisher of this structure can go on the market, will be subjected to consumer's favor.

But, the manual Automatic Fire Extinguisher of this structure is not only made difficulty because there are the following problems, even and form product, owing to have potential safety hazard, also be difficult to obtain admission to market by the detection that national statutory body does fire extinguisher according to relevant laws and regulations.1, the pressure vessel withstand voltage is difficult to up to standard: set up automatic valve, need establish the valve block connection holes of an automatic valve newly on pressure vessel wall, therefore, the resistance test of pressure vessel is difficult to up to standard, produces percent defective and required precision and also can correspondingly improve; If adopt special material to make, then can increase substantially production cost.2, because pressure vessel is column, and barrel dliameter is also all less relatively, during actual assembled, the built in suction pipe of at all having no idea to install.Because being a upper end, this built in suction pipe connects firmly on automatic injection valve seal channel, the lower end extends the PVC hard tube that the pressure vessel intracavity bottom is used to carry firing-fighting medium, it is that a upper bend, bottom are the PVC hard tube of straight shape first, second have the built in suction pipe that manual injection valve is required in the pressure vessel, therefore can't be assembled into a built in suction pipe that automatic injection valve is required more at all, cause the manual Automatic Fire Extinguisher of this structure can not form product so far, produce listing.

[summary of the invention]

For overcoming the problems referred to above that prior art exists, the utility model aims to provide a kind of manual-auto integrated fire extinguisher, this fire extinguisher integrates the hand automatic fire-extinguishing function, and rational in infrastructure, be convenient to make, the pressure vessel withstand voltage can reach the legal examination criteria of country fully.

For achieving the above object, the utility model has adopted following technical scheme: this manual-auto integrated fire extinguisher, comprise pressure vessel, the foundation ring, manually injection valve and injection valve automatically, pressure vessel is by the middle part cylinder, and be welded on respectively on the cylinder of middle part, upper cover on the lower port and low head constitute, the shape of upper cover and low head is bowl-type respectively, the top drilling of upper cover and manual valve body seat are welded into integral body, it is characterized in that: have a through hole of admitting automatic injection valve valve seat in described low head bottom, automatically injection valve valve seat one end via through holes and low head welding back constitutes integral body, and injection valve is fixedly connected on the another port of described automatic injection valve valve seat automatically.

As to technique scheme further replenish and perfect, the utility model also has following additional technical feature.

Two port planes of described automatic injection valve valve seat are orthogonal, automatically on the horizontal sidewall that is fixedly installed on described foundation ring of injection valve.

The inner port of described automatic injection valve valve seat is exposed shape, directly exposes the bottom at the pressure vessel inner chamber.

Beneficial effect: compared with prior art, the utility model moves to the technical scheme of low head by the valve seat that automatic injection valve will be set, because the low head structure is consistent with the upper cover structure, therefore after the automatic dual fire-extinguishing function concurrently of hand being integrated in one, show no sign of other position of pressure vessel is changed, and the legal testing result of national statutory machinery shows, utilize this mode that automatic injection valve is set, the withstand voltage index of pressure vessel, reached the safe handling requirement of fire distinguisher fully as withstand voltage radix etc., on the contrary, as the sidewall at upper cover or low head, and perforate is provided with valve seat on the cylinder of middle part, and then sets up the structure of automatic injection valve, the withstand voltage index of pressure vessel, the safe handling requirement that does not then reach fire distinguisher as withstand voltage radix etc.

The utility model is further described by embodiment below in conjunction with accompanying drawing.

[description of drawings]

Fig. 1 is the broken section structural representation of an embodiment of the utility model.

Among the figure: manual injection valve 10, pressure be 101, jet 102, spring 103, manual valve seat 104, manual valve seat weld 1041, built in suction pipe 105; Upper cover 20; Middle part cylinder 30; Foundation ring 40, automatic injection valve 50, injection valve valve seat 501 disperses cap 502, bulb, 503 automatically; Low head 60.

[specific embodiment]

Referring to Fig. 1.The manual-auto integrated fire extinguisher of present embodiment, comprise pressure vessel, foundation ring 40, manual injection valve 10 and automatic injection valve 50, pressure vessel is by middle part cylinder 30, and the upper cover 20 and the low head 60 that are welded on respectively on the cylinder 30 upper and lower ports of middle part constitute.The shape of upper cover 20 and low head 60 is bowl-type respectively, and the valve block 104 of the top drilling of upper cover 20 and manual injection valve is connected into integral body through manual valve seat weld 1041 seal welds.Manual injection valve 10 is corresponding with being provided with on upper cover 20, open a through hole of admitting automatic injection valve valve seat 501 in the bottom of low head 60, automatically injection valve valve seat 501 1 ends constitute integral body after described through hole and low head 60 welding, and injection valve 50 is fixedly connected on the another port of described automatic injection valve valve seat 501 automatically.Foundation ring 40 is that a close-fitting is nested with the base in middle part cylinder 30 lower port peripheries, and it wraps in inside with low head 60.Therefore, as an embodiment, automatically injection valve valve seat 501 can be the syphon shape valve seat that one 90 degree turns to, and makes two port planes of described automatic injection valve valve seat 501 orthogonal, so that automatically on the horizontal sidewall that is fixedly installed on described foundation ring 40 of injection valve 60.

Another main points of the fire extinguisher of this structure are, because automatic injection valve valve seat 501 is arranged on the low head 60, firing-fighting medium in the pressure vessel is located immediately on the inner port of described automatic injection valve valve seat 501, therefore no longer need to be provided with the built in suction pipe of automatic injection valve 50, the inner port of described automatic injection valve valve seat 501 is exposed shape, directly expose the meaning in the pressure vessel bottom, be exactly explanation need not installed built in suction pipe on inner port structure, this structure has also just reduced production cost relatively.

Because manually injection valve 10 and the structure of injection valve 50 automatically, and their operation principle is all identical with existing product, does not therefore remake further and gives unnecessary details.In addition, whether manual injection valve 10 and automatically on the jet of injection valve 50 adjunction prolong pipe, can determine according to actual conditions, also no longer be further described.

Claims (3)

1. manual-auto integrated fire extinguisher, comprise pressure vessel, foundation ring (40), manually injection valve (10) and injection valve (50) automatically, pressure vessel is by middle part cylinder (30), and be welded on respectively on the middle part cylinder (30), upper cover on the lower port (20) and low head (60) constitute, the shape of upper cover (20) and low head (60) is bowl-type respectively, the top drilling of upper cover (20) and manual valve body seat (104) are welded into integral body, it is characterized in that: have a through hole of admitting automatic injection valve valve seat (501) in described low head (60) bottom, automatically injection valve valve seat (501) one end via through holes and low head (60) welding back constitutes integral body, and injection valve (50) is fixedly connected on the another port of described automatic injection valve valve seat (501) automatically.

2. a kind of manual-auto integrated fire extinguisher as claimed in claim 1 is characterized in that: two port planes of described automatic injection valve valve seat (501) are orthogonal, automatically on the horizontal sidewall that is fixedly installed on described foundation ring of injection valve (50).

3. a kind of manual-auto integrated fire extinguisher as claimed in claim 1 is characterized in that: the inner port of described automatic injection valve valve seat (501) is exposed shape, directly exposes the bottom at the pressure vessel inner chamber.

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