RU2290239C1 - Independent spraying device - Google Patents

Abstract

FIELD: spraying devices adapted for degassing, deactivation and disinfection of military and civil machinery, for animal and plant treatment and fire-extinguishant spraying during fire suppression.

SUBSTANCE: spraying device comprises body, neck, high-pressure cylinder, locking-and-triggering head and filling-and-draining pipe. Air-tight casing is installed in through stepped orifice made in inner side of locking-and-triggering head. The casing is made as sleeve to receive high pressure cylinder arranged in chamber thereof. The high pressure cylinder has tearable diaphragm. Gas channel is defined between the sealed casing and high pressure cylinder. Gas channel throat is 0.1-0.12 of sleeve cross-sectional area. Sleeve mouth is provided with collar having outer thread. Check valve is installed in sleeve bottom. Sleeve bottom may adjust high pressure cylinder in axial direction. Punching mechanism is installed in through stepped orifice and is located from outer side of locking-and-triggering head. Maximal distance between outer surfaces of filling-and-draining pipe and casing is not more than 0.9 of inner neck diameter.

EFFECT: increased operational reliability, enlarged storage period, possibility of device filling with aggressive, erosive compositions and solutions.

2 cl, 2 dwg

Description

The invention relates to stand-alone spraying devices and can be used for degassing, decontamination, disinfection of military, civilian equipment, as well as for treating with various solutions of plants and farm animals, spraying fire extinguishing compounds when eliminating fire sources.

The design of spray devices that use compressed gases to displace working solutions should be simple, reliable and safe during operation, as well as provide long warranty periods of storage.

A spray device for extinguishing a fire is known (see USSR author's certificate No. 1584959 IPC A 62 C 3/07), comprising a cylindrical body, a cover, a locking start-up head, a high-pressure cylinder mounted outside the body and communicated with the body cavity by means of a fitting and a siphon tube mounted on the cover.

This design of the device allows you to spray degassing, deactivating and other solutions, however, the operation of such devices in the field, in limited volumes of military equipment, in means of chemical protection is difficult. The location of the high pressure cylinder outside the housing complicates the execution of work and reduces the reliability and safety of their implementation.

Thus, the objective of this technical solution was to place the spray device in stationary, stationary objects without the possibility of installing them in moving objects with a limited volume (tanks, armored personnel carriers, cars, etc.) and to ensure their reliable and safe operation

Common features with the autonomous spray device proposed by the authors are a cylindrical body, a locking-starting head, a siphon tube, and a high-pressure cylinder.

The closest in technical essence and the achieved technical result is a device for supplying a working solution (extinguishing compositions, see Fire fighting equipment. Part 1. Fire technical equipment, edited by A.F. Ivanov. Air-foam fire extinguishers, M .: Stroyizdat, 1988 , pp. 368-370), comprising a steel body with bottoms, a neck, a high-pressure cylinder, a locking-starting head and a filling and drainage tube.

The reasons that impede the achievement of the technical result indicated below when using a known device adopted as a prototype include the fact that its operation is ensured by the use of non-aggressive, mainly neutral, solutions and compositions without ensuring reliable and safe operation during long-term storage and the possibility of interaction with aggressive solutions and compositions of units and parts of the device, and design and technological solutions do not provide the convenience of assembly-disassembly of devices TWA during operation.

Thus, the objective of this technical solution (prototype) was to ensure the spraying of solutions by means of compressed gases from a high-pressure cylinder without ensuring reliable and safe operation during long-term storage and the possibility of interaction with aggressive solutions and compositions of structural elements of the device, as well as the convenience of assembly-disassembly during operation .

Common signs with the spray device proposed by the authors are a body with bottoms, a neck, a high-pressure cylinder, a locking-starting head and a filling and drainage tube.

Unlike the prototype, in the autonomous spray device proposed by the authors, a sealed cartridge made in the form of a sleeve is mounted in the casing on the inner side of the locking and starting head in a through step hole, in the chamber of which there is a high-pressure cylinder with a breakthrough membrane, a gas duct is formed between them , the cross-sectional area of which is 0.1-0.12 of the cross-sectional area of the sleeve, the sleeve of the sleeve is equipped with a sleeve with an external thread, the bottom of the outside is equipped with a check valve and is made with the possibility of preloading the high-pressure cylinder in the axial direction, and a breakdown mechanism is placed outside on the shut-off and start-up head in the through-step hole, and the maximum distance between the outer surfaces of the filling-drainage tube and the holder is not more than 0.9 of the inner diameter of the neck.

In special cases, that is, in specific forms of execution, the invention is characterized by the following features:

- the case with the bottoms and the neck is made of aluminum alloy.

It is this that allows us to conclude that there is a causal relationship between the totality of the essential features of the claimed technical solution and the achieved technical result.

The indicated features distinctive from the prototype and to which the requested object of legal protection applies are sufficient in all cases.

The objective of the invention is to provide reliable and safe operation of an autonomous spray device during long-term storage and the possibility of interaction with aggressive solutions and compositions of the structural elements of the device, as well as the convenience of assembly-disassembly during operation.

The specified technical result during the implementation of the invention is achieved by the fact that in the known spray device comprising a housing with bottoms, a neck, a high-pressure cylinder, a locking-starting head and a filling-drainage tube, the feature is that in the housing on the inside of the locking-starting a sealed clip made in the form of a sleeve is mounted in a through step hole in the head, in the chamber of which a high-pressure cylinder with a breakthrough membrane is placed, a gas-water trap is formed between them CT, the passage cross-sectional area of which is 0.1-0.12 of the cross-sectional area of the sleeve, the sleeve of the sleeve is equipped with a sleeve with an external thread, the bottom is equipped with a check valve from the outside and is configured to compress the high-pressure cylinder in the axial direction, and from the outside to the locking-starting a breakdown mechanism is placed in the through step hole, and the maximum distance between the outer surfaces of the filling and drainage tube and the holder is not more than 0.9 of the inner diameter of the neck.

A new set of structural elements, as well as the presence of connections between them, allows, in particular, due to:

- the presence in the housing on the inner side of the locking-starting head in the through step hole of a mounted tight sleeve made in the form of a sleeve in the chamber of which a high-pressure cylinder with a breakthrough membrane is placed, exclude the possibility of corrosion of the body of the high-pressure cylinder (made of steel subject to corrosion) from aggressive solutions and compositions used in degassing, decontamination, disinfection and other types of processing of military and civilian equipment, as well as for processing with various solutions of steni and farm animals, spraying fire extinguishing compounds during the elimination of fires, extend the warranty period of storage of equipped devices, and after use, the cylinder removed from the cage can be used for subsequent multiple recharging without repair work;

- the presence between the pressurized casing and the high-pressure cylinder of the gas duct, the cross-sectional area, which is 0.1-0.12 of the cross-sectional area of the sleeve, allows you to evenly distribute the gas flow in the gas duct, to ensure uniform flow of gas into the working cavity through the check valve, when the cross-sectional area of less than 0.1 of the cross-sectional area of the sleeve increases the device’s output time to the operating mode, with the cross-sectional area of more than 0.12 the cross-sectional area of the sleeve decreases the reliability of the check valve;

- execution on the barrel of the sleeve sleeve with an external thread to ensure rigid fixation of the airtight clip in the locking-starting head, its sealing and coaxial installation in a through step hole;

- placement at the bottom of the check valve sleeve to exclude the ingress of aggressive working fluid into the gas duct, and after opening the cylinder membrane to ensure the flow of gas flow into the body cavity with the required characteristics;

- the possibility of compressing the high-pressure cylinder in the axial direction to ensure the adaptability of the installation and removal of the high-pressure cylinder from the cage, as well as to use cylinders with different tolerance fields;

- placement outside on the locking-starting head in the through step hole of the breakdown mechanism to ensure alignment of the breakdown mechanism of the breakdown mechanism over the membrane of the high-pressure cylinder, to exclude misalignment and jamming of the breaker during its longitudinal movement in the process of opening the breakthrough membrane;

- the location of the outer surfaces of the filling and drainage tube and the sealing sleeve at a maximum distance of not more than 0.9 of the inner diameter of the neck of the housing to ensure ease of assembly-disassembly of the device during operation, with a distance between the outer surfaces of the drainage tube and the sealing sleeve of more than 0.9 of the inner diameter of the neck of the housing it is difficult to remove the locking-starting head from the housing during assembly-disassembly of the device and damage to its structural elements is possible.

Signs characterizing the invention in specific forms of execution, allow, in particular, due to:

- execution of the body with the bottoms and the neck of the aluminum alloy to use aggressive working solutions in it and at the same time reduce the weight of the device.

Signs that distinguish the proposed technical solution from the prototype are not identified in other technical solutions and are not known from the prior art in the process of conducting patent research, which allows us to conclude that the invention meets the criterion of "novelty."

Studying the level of technology during the patent search for all types of information available in the countries of the former USSR and foreign countries, it was found that the proposed technical solution does not explicitly follow from the prior art, therefore, we can conclude that the criterion of "inventive step" ".

The essence of the invention lies in the fact that in a stand-alone spray device containing a housing with bottoms, a neck, a high-pressure cylinder, a locking-starting head and a filling and drainage tube, in contrast to the prototype according to the invention, in the housing on the inside of the locking-starting head in a through step hole is mounted an airtight clip made in the form of a sleeve of anticorrosive metal, in the chamber of which a high-pressure cylinder with a breakthrough membrane is placed, a gas-water pipe is formed between them CT, the passage cross-sectional area of which is 0.1-0.12 of the cross-sectional area of the sleeve, the sleeve of the sleeve is equipped with a sleeve with an external thread, the bottom is equipped with a check valve from the outside and is configured to compress the high-pressure cylinder in the axial direction, and from the outside to the locking-starting a breakdown mechanism is placed in the through step hole, and the maximum distance between the outer surfaces of the filling and drainage tube and the holder is not more than 0.9 of the inner diameter of the neck.

The essence of the invention is illustrated by drawings, where figure 1 shows a General view of an autonomous spray device, figure 2 is a cross section of a sealed clip with a high-pressure cylinder.

The proposed autonomous spray device comprises a housing 1 with bottoms 2, a neck 3, a locking-starting head 4 with a through step hole 5, an air-tight clip 6 made in the form of a sleeve, equipped with a threaded sleeve 7, a bottom 8 and a check valve 9, a high pressure cylinder 10 with a breakthrough membrane 11, gas path A with a cross-sectional area Sr, the maximum distance between the outer surfaces of the filling and drainage tube and the holder L, the breakdown mechanism 12 with button 13, the shutoff valve 14 and the filling and drainage pipe 15. In special cases, i.e. in the specific embodiment, the housing 1 with donyami 2 and neck 3 are made of aluminum alloy.

The above device operates as follows.

When the button 13 of the breakdown mechanism 12 is pressed, the breakthrough membrane 11 of the high pressure cylinder 10 is opened and the compressed gas enters the gas duct A, when the set pressure is reached, the check valve 9 is activated and the compressed gas enters the free volume of the housing 1, creating a working pressure for supply through the filling -drain tube 15 and valve 14 of the solution on the surface to be treated.

The implementation of an autonomous spray device in accordance with the invention allows for reliable and safe operation during long-term storage and the possibility of interaction with aggressive solutions and compositions of the structural elements of the device, as well as the convenience of assembly-disassembly during operation. Thus, the proposed technical solution can be used in the development of autonomous spray devices designed for the degassing, decontamination, disinfection of military and civilian equipment, as well as for treating with various solutions of plants and farm animals, spraying fire extinguishing compounds when eliminating fire sources.

The specified positive effect is confirmed by field tests of prototypes made in accordance with the invention.

Currently, design documentation has been developed and mass production is planned.

Claims (2)

1. An autonomous spray device comprising a housing with bottoms, a neck, a high pressure cylinder, a locking start-up head and a filling and drainage tube, characterized in that a sealed clip made in a through hole is mounted in the housing on the inside of the locking-starting head in a through step hole in the form of a sleeve made of anticorrosive metal, in the chamber of which a high-pressure cylinder with a breakthrough membrane is placed, a gas-water path is formed between them, the area of the passage section of which is 0.1-0.12 in area the cross section of the sleeve, the sleeve of the sleeve is equipped with a sleeve with an external thread, the bottom is equipped with a check valve on the outside and is able to compress the high-pressure cylinder in the axial direction, and the breakdown mechanism is placed on the shut-off head in a through step hole, and the maximum distance between the outer surfaces filling and drainage tube and cage is not more than 0.9 of the inner diameter of the neck. 2. The self-contained spraying device according to claim 1, characterized in that the body with the bottoms and the neck are made of aluminum alloy.

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