RU2194432C1 - Attachment to vacuum cleaner - Google Patents

Abstract

FIELD: domestic equipment. SUBSTANCE: attachment has casing, partition wall, ejector equipped with nozzle and made in the form of venturi, and gas flow swirler positioned in front of converging tube. Attachment uses nozzles formed as Archimedes' spiral or round rods. Blade-shaped drop catcher is positioned downstream of diffuser. Purified air is saturated with water or aromatic substance ions or is antiseptized. EFFECT: simplified construction and increased efficiency in cleaning air from fine dust at outlet end of vacuum cleaner. 2 cl, 3 dwg

Description

 The invention relates to household appliances for cleaning rooms and air from dust.

 Known nozzles for a vacuum cleaner (patent 2034514, 6 A 47 L 5/14, 1995), in the housing of which there is a vortex chamber, a water tank and slotted channels for the passage of moisture. The disadvantages of this nozzle include the irreplaceability of water in the tank, the low efficiency of the connection of the parts of dust and water due to the insignificant intersection of their trajectories and the increased hydraulic resistance created by the dirt collector.

 Known dust collector (ed. St. 566615, B 01 D 47/06, 1977) containing a cylindrical body with a container for liquid, a tangential nozzle, a spray. The disadvantages of this dust collector include its complexity, as well as the insufficient collection efficiency of fine dust due to its slipping through a sufficiently large cross section of the inlet pipe and insufficiently fine spray of water, in addition, additional energy is spent on swirling the entire volume of water.

 Known gas-liquid ejector vacuum cleaner (patent 2130281, 6 A 47 L 5/18, 1999), taken as a prototype. The vacuum cleaner contains a housing, a traction stimulator made in the form of a gas-liquid ejector, a submersible type centrifugal pump, a partition and a removable water tank. The main disadvantages of this vacuum cleaner are its complexity, as well as the low vacuum of dusty air in the inlet pipe and the insufficient efficiency of cleaning from fine dust.

 The aim of the present invention is to simplify the design and increase the efficiency of air purification from fine dust at the outlet of the vacuum cleaner.

 This goal is achieved due to the fact that a gas flow swirl installed in front of the confuser is introduced into the attachment to the vacuum cleaner containing the housing, the partition, the ejector with the nozzle, the ejector being made in the form of a Venturi pipe and the nozzle in the form of an Archimedes spiral.

 In addition, the nozzle can be made in the form of round rods inserted into its neck.

 In addition, the prefix is equipped with a blade drop eliminator installed after the diffuser.

 The swirl installed at the inlet of the set-top box allows you to swirl dusty air, and then the dispersed dust-water mixture, which creates two effects: under the action of centrifugal forces, all suspended dust particles rush to the periphery of the venturi; an additional rarefaction occurs along the pipe axis in the nozzle installation zone, which increases the dispersion of water droplets. In turn, water droplets also rush to the walls of the pipe, where they form a continuous film, which absorbs dust particles to the greatest extent.

 A nozzle in the form of rods greatly increases the separation surface of water droplets, which also increases their dispersion.

 The design of the nozzle in the form of an Archimedes spiral allows increasing the dispersion of water droplets (this is important for increasing the number of wettable dust particles) by increasing the surface of their separation.

 The paddle droplet eliminator effectively concentrates the water mist, preventing spraying with air. The rotation of the droplet eliminator creates the dynamics of the console.

 The prefix has a simple design and low hydraulic resistance, which allows it to do without an additional source of flow inducer, using the energy of a vacuum cleaner.

 Using the prefix, it is possible to aromatize or disinfect the cleaned air by dissolving aromatic or antiseptic agents in water. The purified air passing through the prefix is saturated with water ions, which has a beneficial effect on the human respiratory system.

 The invention is illustrated by drawings. Figure 1 shows the proposed prefix in the context, figure 2 - nozzle with pressed rods, figure 3 - nozzle in the form of a spiral of Archimedes.

 The prefix for the vacuum cleaner contains a spherical body 1, an ejector in the form of a Venturi pipe with a confuser 2, a neck 3, a diffuser 4 and a nozzle 5, a gas flow swirler 6, a blade droplet eliminator 7, a partition 8 with an opening 9, a sleeve 10.

 The prefix to the vacuum cleaner works as follows. Air from the vacuum cleaner body 12 through the connecting sleeve 13 under pressure passes through the static blade swirl 6 and then through the confuser 2, the neck 3 enters the diffuser 4, where under the influence of the vortex it is mixed with finely sprayed water flowing out of the nozzle 5, and in the form of a mixture of "gas -dust-water "strikes the paddle drop eliminator 7, which begins to rotate under the action of the energy of the jet. The purified gas (air) is freed from the water and leaves through the sleeve 10 into the space. Water droplets with dust particles, having inertia, hit the droplet eliminator blades, lose (give) their energy and are thrown partly into the water 11, partly onto the walls of the housing 1, where they are concentrated and flow into the lower part of the housing.

 The partition 8 with the hole 9 carries several functions: it is an indicator of the upper level of water when pouring it into the housing 1; serves as a barrier to heavy dust particles that precipitate and merge with water after completion of work. The hole 9, located in the upper part of the partition, serves to overflow water from one chamber to another with a view to its use in a multi-turn cycle. Together with water, micron-sized dust particles can circulate, and their concentration increases over time. This dust, once wetted, can no longer escape from the water captivity, therefore it is also removed with water after completion of work.

 The sleeve 10 is removable (it is removed during the pouring of contaminated water after the vacuum cleaner is working), is designed to hold (not spilling) water in the console body at the time of accidental tipping of the vacuum cleaner during operation.

Claims (2)

 1. The prefix to the vacuum cleaner containing a housing, a partition, an ejector with a nozzle, characterized in that a gas flow swirl is installed in front of the confuser, the ejector being made in the form of a Venturi pipe and the nozzle in the form of an Archimedes spiral or in the form of round rods, inserted into his neck.  2. The prefix to the vacuum cleaner according to claim 1, characterized in that it is equipped with a blade droplet eliminator installed after the diffuser.

Images