CN203647932U - Fire-fighting sprinkler with automatic opening and closing functions - Google Patents

Abstract

The utility model discloses a fire-fighting sprinkler with automatic opening and closing functions. The fire-fighting sprinkler comprises a valve body forming a water channel, a valve cover on the side surface of the valve body, a valve element guide pipe extending outwards from the valve cover, a valve element provided with a magnetic column and arranged in the valve element guide pipe, a magnetic ring outside the valve element guide pipe, a transmission assembly, a protective cover on the valve cover, and a manual rotating handle on the protective cover, wherein the manual rotating handle is provided with a positioning head connected with the transmission assembly and a heat collection cap, the heat collection cap is provided with a spiral memory alloy, a magnetic ring reset spring is arranged between the magnetic ring and the manual rotating handle, a main sealing head is assembled on a water inlet cavity of the valve body and is provided with a high-pressure water through hole and a pressure-reducing drain hole, and the valve element is provided with an auxiliary sealing head for pushing the main sealing head and plugging the pressure-reducing drain hole. The fire-fighting sprinkler has the beneficial effects that the temperature sensing and control members are all made of metal materials, so that a control effect cannot be damaged or weakened due to high temperature; a control system runs flexibly and accurately; and a manual regulation mechanism provides convenience for selecting the optimal standby state and opening a valve manually in advance.

Description

A kind of automatic open close fire-fighting spraying valve

Technical field

The utility model belongs to valve field, is specifically related to fire-fighting spray equipment internally piloted valve.

Background technology

Serious harm based on fire to mankind's property, health and even life, since the dawn of human civilization, the mankind never loosen the strick precaution to fire, along with social development, current large hospital, station, harbour, market, office building, hotel, public place of entertainment can be found everywhere, aforementioned place, assembling a large amount of crowds, in recent years, some country occur compared with conflagration, have surprising life, property loss.Bitter lesson, is promoting the development of fire prevention.In early days, in the building that belongs to public place, smoke alarm is generally installed, is warned early the generation of fire.In the recent period, develop into automatic spraying device is installed in this type of place, from the self-extinguishing of automatic alarm development, how sensing, the controlling organization of automatic spraying device open and close valve are before this made up of electronic component, and electronic component is wherein subject to multiple such environmental effects, the possibility of have wrong report, failing to report, once fire occurs, spray equipment is in hot environment, and electronic control mechanism is easily ruined, and loses follow-up vacant function.

Summary of the invention

The purpose of this utility model is to provide a kind of automatic open close fire-fighting spraying valve, for controlling spraying system of fire fighting, overcomes existing spray controlling organization above shortcomings.

Temperature control fire-fighting spraying valve of the present utility model, comprise the valve body that forms aquaporin, the intake antrum that plug members is set on corresponding valve body is arranged on the valve gap of valve body side, difference with the prior art is: have outward extending spool conduit at valve gap shaft core position, in spool conduit, have with spool conduit is moving and coordinate, by sleeve pipe, the spool of the magnetic post in sleeve pipe and stem stem composition, the magnetic post position of the outer corresponding spool of spool conduit has and the moving magnet ring coordinating of spool conduit, be fixed on the far-end of relative valve body on magnet ring, with the moving transmission component coordinating of spool conduit, on valve gap, be equipped with the protective cover that surrounds magnet ring and transmission component, there is the manual rotating handle with the adjusting magnet ring position of helicitic texture assembling protective cover termination, between manual rotating handle termination inner surface and transmission component termination, leave the transmission component mobile space of driving valve with movable valve plug, on manual rotating handle axle center hole, positioning head is housed, positioning head connection for transmission assembly, the outer end that positioning head stretches out manual rotating handle connects thermal-arrest cap, dress helical form memorial alloy between manual rotating handle end face and thermal-arrest cap end loops are protruding, between magnet ring and manual rotating handle, there is magnet ring return spring, the intake antrum that assembles plug members on valve body is equipped with primary seal head, partition wall on valve inleting water chamber is divided into little into water one side, draining one side is large two parts by primary seal head towards water route one side, the corresponding water inlet of primary seal head one side has water under high pressure through hole, the home position of corresponding draining one side of primary seal head has decompression osculum, and pointing to the first end of primary seal at spool has the secondary end socket that promotes primary seal head and shutoff decompression osculum.

The course of work of the present utility model is: shower valve is arranged on the water route of spray system; in surroundings temperature; magnetic force between magnet ring and magnetic post forms the pressure of secondary end socket effect primary seal; primary seal head is limited on intake antrum; the water under high pressure through hole of the water under high pressure of valve inleting water end on primary seal head see through primary seal head, by a primary seal pressurization on intake antrum.When breaking out of fire, memorial alloy is heated, stretch promotion permanent-magnetic clamp and move axially along valve core housing pipe, drive spool to move axially by magnetic coupling, make secondary end socket depart from primary seal head, remove the constraint to primary seal head, pressure release osculum on primary seal head is open-minded, the one side decompression of primary seal head spool, and primary seal head moves, intake antrum is open-minded, and spray-water is sent to shower nozzle through shower valve.Work as fray-out of flame, valve body peripheral temperature is recovered normal temperature, and memorial alloy shrinks, magnet ring is got back to the position of closure valve under the promotion of compressed return spring, under magneticaction, spool is got back to constraint primary seal head sealing intake antrum position, and shower valve is got back to holding state.In the time that the position of magnet ring is not corresponding or have an opportunity artificially to drive valve in advance, rotary manual swing handle, adjusts the position of magnet ring on spool guide pin bushing or before memorial alloy stretches, Open valve.

The beneficial effects of the utility model are: the temperature-sensitive of shower valve and control member all adopt metal material, can Yin Gaowen and damage or reduce control effect, dependable performance.Control system running flexibly, accurate.Manual adjustment means provides convenience for selecting the best holding state of shower valve and artificially shifting to an earlier date Open valve.

Brief description of the drawings

Fig. 1 is that the utility model master looks cutaway view.

Detailed description of the invention

Consult Fig. 1

Temperature control fire-fighting spraying valve of the present utility model comprises the valve body 1 that forms aquaporin, the intake antrum that plug members is set in corresponding valve body is fixed on the valve gap 15 of valve body side, on valve gap 15, establish with valve gap disjunctor or sealing and be cemented in the spool conduit 14 on valve gap axle center hole, in spool conduit, slidable fit is by sleeve pipe 3, magnetic post 4, the spool that stem stem 2 forms, have in the position of the magnetic post 4 of spool conduit 14 outer corresponding spools and the moving magnet ring 13 coordinating of spool conduit, be fixed on the far-end of relative valve body on magnet ring 13, with the moving transmission component 11 coordinating of spool conduit, , magnet ring 13 overlaps 5 by magnet ring and connects cylindrical shape transmission component 11, protrude the protective cover 6 that magnet ring 13 and transmission component 11 are surrounded in assembling on the cylinder of valve body at valve gap 15 by screw thread, with helicitic texture, manual rotating handle 7 is installed in protective cover 6 terminations, between manual rotating handle termination inner surface and transmission component termination, leave the transmission component mobile space of driving valve with movable valve plug, be assemblied in the positioning head 10 of the adjusting magnet ring of the axle center hole position of manual rotating handle 7, positioning head 10 connection for transmission assemblies 11, stretch out manual rotating handle outer end at positioning head 10 and connect thermal-arrest cap 9, dress helical form memorial alloy 8 between manual rotating handle end face and thermal-arrest cap end loops are protruding, between magnet ring and manual rotating handle, assemble magnet ring return spring 12, on valve body, assemble and on the intake antrum 19 of plug members, assemble primary seal 17, partition wall 20 on valve inleting water chamber is divided into into water one side little by primary seal 17 towards water route one side, two parts that draining one side is large, primary seal 17 corresponding water inlet one side have water under high pressure through hole 21, a primary seal home position has decompression osculum 18, point to the first end of primary seal at spool and have the secondary end socket 16 that promotes primary seal head and shutoff decompression osculum.

Claims (1)

1. an automatic open close fire-fighting spraying valve, comprise the valve body that forms aquaporin, the intake antrum that plug members is set on corresponding valve body is arranged on the valve gap of valve body side, it is characterized in that: have outward extending spool conduit at valve gap shaft core position, in spool conduit, have with spool conduit is moving and coordinate, by sleeve pipe, the spool of the magnetic post in sleeve pipe and stem stem composition, the magnetic post position of the outer corresponding spool of spool conduit has and the moving magnet ring coordinating of spool conduit, be fixed on the far-end of relative valve body on magnet ring, with the moving transmission component coordinating of spool conduit, on valve gap, be equipped with the protective cover that surrounds magnet ring and transmission component, there is the manual rotating handle with the adjusting magnet ring position of helicitic texture assembling protective cover termination, between manual rotating handle termination inner surface and transmission component termination, leave the transmission component mobile space of driving valve with movable valve plug, on manual rotating handle axle center hole, positioning head is housed, positioning head connection for transmission assembly, the outer end that positioning head stretches out manual rotating handle connects thermal-arrest cap, dress helical form memorial alloy between manual rotating handle end face and thermal-arrest cap end loops are protruding, between magnet ring and manual rotating handle, there is magnet ring return spring, the intake antrum that assembles plug members on valve body is equipped with primary seal head, partition wall on valve inleting water chamber is divided into little into water one side, draining one side is large two parts by primary seal head towards water route one side, the corresponding water inlet of primary seal head one side has water under high pressure through hole, the home position of corresponding draining one side of primary seal head has decompression osculum, and pointing to the first end of primary seal at spool has the secondary end socket that promotes primary seal head and shutoff decompression osculum.

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