CN103877687A

CN103877687A - Dual-purpose fire-fighting lance

Info

Publication number: CN103877687A
Application number: CN201410122750.6A
Authority: CN
Inventors: 余文凌
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-27
Filing date: 2014-03-27
Publication date: 2014-06-25

Abstract

The invention discloses a dual-purpose fire-fighting lance which is particularly suitable for a portable or movable miniature fire pump. The fire-fighting lance is provided with a water-column type nozzle and a water-spraying type nozzle, wherein the water-spraying type nozzle can be opened or closed through the movement of a regulating sleeve so that the two nozzles can be interconverted. Replying to different occasions in the scene, different solutions are adopted; when the flame is strong, a water-column type fire-fighting lance is used because big hitting power of a water column and big spray sputtering area are beneficial to fire suppression; when the flame is controlled and scattered remaining fire and smoking blind fire need to be timely distinguished, a water-spraying type fire-fighting lance is used because big covering surface is beneficial to large-area fire suppression. According to actual requirements in the scene, the water-column type fire-fighting lance and the water-spraying type fire-fighting lance can be instantaneously converted in the scene, so that time is gained and fast fire suppression is realized.

Description

Dual-purpose fire-fighting lance

Technical field

The present invention relates to a kind of fire-fighting equipment, particularly a kind of dual-purpose fire-fighting lance that is applicable to portable or movable small fire pump.

Background technology

The life causing because of fire and the loss of property are huge, add up according to fire department, 2006 1 to August, the whole nation is total to 159901 of breaking out of fires, dead 1052 people, injured 995 people, 51,334 ten thousand yuan of direct property loss, and, the people's fire of dying focuses mostly at house, the dead more than sixty percent is disadvantaged group, die people's fire and fire accidents mostly occurred at night, 22 was the multiple period of people's fire and fire accidents of dying up to 6 o'clock mornings, cause the reason of fire successively: because life is with accidentally fiery, violate the electric regulation of installing and using, smoking, play with fire, operate against regulations, spontaneous combustion and thunderbolt.

Fire department is reminded simultaneously.It latter 3 minutes is the best opportunity of fire extinguishing that fire occurs.

For effectively fire extinguishing in time, at local-style dwelling houses dormitory, farm house, school dormitory, small-sized public place of entertainment, the places such as small-sized bunker, should possess autonomous fire fighting ability, increase portable or movable small fire pump, within blink on fire, put out a fire.

At fire-extinguishing location, there are two kinds of scenes of a fire, need take different counter-measures, in the time that flare is intrepid, need water pillar hydraulic giant to put out a fire, because the hitting power of the water column of water column type hydraulic giant is large, spray sputter area is also large, be conducive to fire extinguishing; After the intensity of a fire is depressed, the ember being scattered in addition everywhere and the dying fire of smoldering also will put out in time, otherwise will revive, at this moment, still the words of water pillar hydraulic giant, the one, waste water resource, the 2nd, water column type hydraulic giant can only be aimed at the fire extinguishing of a fire point, and remaining ember is still in burning, for this reason, at this moment will adopt sprinkling-water type hydraulic giant to put out a fire, the wide coverage of sprinkling-water type hydraulic giant, is conducive to large area fire extinguishing.

In the prior art, there are many patent applications about water column type hydraulic giant and watering or spray nozzle, as the patent No. 200920003053.3 " fire-fighting lance ", application number 99126995.0 " booster for fire fighting water gun ", the patent No. 02217139.8 " a kind of high-pressure fine water mist nozzle ", application number 96105769.6 " has nozzle assembly fire extinguisher ", the patent No. 02258950.3 " Multi-nozzle adjustable spray fire gun ", the patent No. 200520117602.1 " multi-nozzle enclosed type mesolow fine mist spray head "; But they are all hydraulic giant or the nozzle of single specificity, special watering and spray nozzle are more prone to automatic fire extinguishing system, away from practicality, take a broad view of these patents, also do not make water column type hydraulic giant and sprinkling-water type hydraulic giant at the instantaneous hydraulic giant of changing of fire-extinguishing location energy.

The object of the invention is to: the shortcoming existing for above-mentioned various hydraulic giants, proposing a kind of water column type hydraulic giant and sprinkling-water type hydraulic giant of making can the instantaneous dual-purpose fire-fighting lance of changing at fire-extinguishing location.

In order to achieve the above object, the dual-purpose fire-fighting lance of the present invention comprises hydraulic giant handle and nozzle, its special character is: the outer rim of described hydraulic gun body 1 is equipped with a coaxial and axially movable regulating sleeve 2 of energy, and the protuberance of the endoporus of described regulating sleeve 2 and described hydraulic gun body 1 is that screw thread is hinged; On described regulating sleeve 2, be fixed with the sprinkling-water type nozzle 3 coaxial with hydraulic gun body 1; On the sphere of described sprinkling-water type nozzle 3, be shaped with the actiniform little spout 4 of One's name is legion; The central axis position of described sprinkling-water type nozzle 3 is fixed with water cylindrical nozzle 5; The exit of the center water channel of described hydraulic gun body 1 is shaped with an expansion shape cone mouth 6, the outer rim of water inlet place of described water cylindrical nozzle 5 make with hydraulic gun body 1 in expand the conicoid 7 that the angle of shape cone mouth 6 matches.

The hinged use of regulating sleeve 2 described in the technology of the present invention solution and described hydraulic gun body 1 screw thread can be the rectangular thread that pitch is larger; Between described regulating sleeve 2 and hydraulic gun body 1, can also there is one for the mobile guide face of cylinder 8, and carry out static seal with O-ring seals.

In the technology of the present invention solution, in the time not using described water cylindrical nozzle 6, its exit can load onto silently 9.

Hydraulic giant in the present invention has been settled two kinds of nozzles: water column type nozzle and sprinkling-water type nozzle, can open or close sprinkling-water type nozzle by mobile regulating sleeve 2, operate very simple, as long as hold the handle on regulating sleeve 2, rotate two, three circles, can make two kinds of nozzles mutually change, screw thread between regulating sleeve 2 and hydraulic gun body 1 is hinged is rectangular thread, and the pitch of rectangular thread is large and can self-locking.

Good effect of the present invention is can be according to the actual needs of the fire extinguishing in the scene of a fire, makes water column type hydraulic giant and sprinkling-water type hydraulic giant carry out instantaneous conversion at fire-extinguishing location, gains time, and reaches the effect of quick extinguishing.

Brief description of the drawings

Fig. 1 is that dual-purpose fire-fighting lance is in the structure chart while using water column type nozzle.

Fig. 2 is the structure chart of dual-purpose hydraulic giant while opening and using sprinkling-water type hydraulic giant.

Fig. 3 is the top view of Fig. 2.

Fig. 4 is the left side view of Fig. 2.

Detailed description of the invention

Fig. 1 is that dual-purpose fire-fighting lance is in the structure chart while using water column type nozzle, shows that the outer rim of hydraulic gun body 1 is equipped with a coaxial and axially movable regulating sleeve 2 of energy in figure, and the protuberance of the endoporus of regulating sleeve 2 and hydraulic gun body 1 is that screw thread is hinged; On regulating sleeve 2, be fixed with the sprinkling-water type nozzle 3 coaxial with hydraulic gun body 1; On the sphere of sprinkling-water type nozzle 3, be shaped with the actiniform little spout 4 of One's name is legion; The central axis position of sprinkling-water type nozzle 3 is fixed with water cylindrical nozzle 5; Water cylindrical nozzle 5 use are spelled cap 13 and are tightened up, the exit of the center water channel 14 of hydraulic gun body 1 is shaped with an expansion shape cone mouth 6, the outer rim of water inlet place of water cylindrical nozzle 5 make with hydraulic gun body 1 in expand the conicoid 7 that the angle of shape cone mouth 6 matches, the conicoid 7 that is now expansion shape cone mouth 6 and water cylindrical nozzle 5 is close to, and has closed the passage of sprinkling-water type nozzle 3.

Regulating sleeve 2 and hydraulic gun body 1 hinged with screw thread be the rectangular thread that pitch is larger; Therefore, mobile regulating sleeve 2 easily fast, lead by moving axially by the face of cylinder 8 of regulating sleeve 2, and this spigot surface carries out static seal with O-ring seals.

Fig. 2 is the structure chart of dual-purpose hydraulic giant while opening and using sprinkling-water type hydraulic giant, in figure, show that the conicoid 7 of water cylindrical nozzle 5 is away from expanding shape cone mouth 6 in hydraulic gun body 1, open the passage that leads to sprinkling-water type nozzle 3, this is the axially movable result of regulating sleeve 2, and moving axially by two straight pins 10 of regulating sleeve 2 is spacing.

Fig. 3 is the top view of Fig. 2, in figure, shows, in the time using sprinkling-water type nozzle, the exit of water cylindrical nozzle 6 loads onto silently 9.

Fig. 4 is the left side view of Fig. 2, the handle 11 in figure on vision-control cover 2 and the handle 12 on hydraulic gun body 1; 10 position-limiting actions of straight pin, the moving range of control and regulation cover 2.

Claims

1. a dual-purpose fire-fighting lance, comprise hydraulic giant handle and nozzle, it is characterized in that: the outer rim of described hydraulic gun body (1) is equipped with a coaxial and axially movable regulating sleeve of energy (2), and the protuberance of the endoporus of described regulating sleeve (2) and described hydraulic gun body (1) is that screw thread is hinged; On described regulating sleeve (2), be fixed with and sprinkling-water type nozzle (3) that hydraulic gun body (1) is coaxial; On the sphere of described sprinkling-water type nozzle (3), be shaped with the actiniform little spout (4) of One's name is legion; The central axis position of described sprinkling-water type nozzle (3) is fixed with water cylindrical nozzle (5); The exit of the center water channel of described hydraulic gun body (1) is shaped with an expansion shape cone mouth (6), the conicoid (7) that the outer rim of water inlet place of described water cylindrical nozzle (5) is made and the middle angle of expanding shape cone mouth (6) of hydraulic gun body (1) matches.

2. dual-purpose fire-fighting lance according to claim 1, is characterized in that: described regulating sleeve (2) and described hydraulic gun body (1) hinged with screw thread be the rectangular thread that pitch is larger; Between described regulating sleeve (2) and hydraulic gun body (1), also have one for the mobile guide face of cylinder (8), and carry out static seal with O-ring seals.

3. dual-purpose fire-fighting lance according to claim 1, is characterized in that: in the time not using described water cylindrical nozzle (6), (9) are loaded onto silently in its exit.