CN1162434A

CN1162434A - Adaptor for vacuum cleaner

Info

Publication number: CN1162434A
Application number: CN 96123297
Authority: CN
Inventors: 拉尔斯·基尔斯特隆
Original assignee: Electrolux AB
Current assignee: Electrolux AB
Priority date: 1995-12-28
Filing date: 1996-12-19
Publication date: 1997-10-22

Abstract

An adaptor for a vacuum cleaner having a vacuum source(21)and an inlet tube(18)communicating with a nozzle opening(11)and ending in a chamber(15)which has an opening closed by a cover(17). A dust container(16)is normally placed in the chamber and is connected to the inlet tube. The adaptor is a separate unit(26)which, when the dust container(16)and cover(17)have been removed, can be fixed to the vacuum cleaner. The adaptor includes a cyclone separator(32)having an inlet side which is connected to the inlet tube(18)and an outlet side communicating with the inlet side of the vacuum source(21).

Description

The adapter that is used for vacuum cleaner

The present invention relates to a kind of adapter that is used for vacuum cleaner, wherein vacuum cleaner comprises a vacuum source and an inlet tube or analog, this inlet tube and a spout connection also end at one and have in the chamber of the opening of being closed by lid, and wherein a dust receptacle is arranged in the chamber and is typically connected to inlet tube.

The vacuum cleaner of the above-mentioned type is known in the prior art and can be divided into upright vacuum cleaner or canister type vacuum cleaner usually.

Upright vacuum cleaner generally includes a lower whorl support unit, has brush roll that is arranged in spout and the drive unit that is used to brush.Lower member links to each other by the upper-part that a bindiny mechanism and has the chamber that is used for dust receptacle.One handle is formed at the top of upper-part, handles vacuum cleaner by it and moves on the ground.For upright vacuum cleaner, the vacuum source that is generally by motor-driven fan is arranged in or lower member.

Canister type vacuum cleaner comprises that an electric motor fan unit and is around the housing that wherein inserts the chamber of dust bag.The end of inlet tube is by a flexible pipe in the chamber, and a pipe handle and a tubular axis are connected to the inlet of spout, and it separates with housing.

Known cyclone separator and common canister type vacuum cleaner are made an integral body, for example see EP-A-489468.Yet the shortcoming of this structure is that the size of vacuum cleaner increases, because need be used for the space of common filter container and the material that is separated by cyclone separator.

The upright vacuum cleaner that is provided with cyclone separator, for example EP-B-489565 have been developed in recent years.In these vacuum cleaners, top forms one and forms the cyclone separator of an integral unit with motor.Particle separates from air and because gravity drops to downwards in the collection container, manually is removed then in cyclone separator.Although such vacuum cleaner has some shortcoming, for example in order to obtain the identical suction effect with the nozzle-end of common vacuum cleaner, big flow resistance causes the power of needs increase from the motor of vacuum source, antihygienic emptying of dust receptacle and high production cost, but a cyclone separator also has an advantage for some purposes.That is, can be used in the time need removing or absorb the easily separated material of large volume of coarse sand for example the situation that the consumption of dust receptacle will be bigger in common vacuum cleaner.

The purpose of this invention is to provide a kind of accessory that is used for common vacuum cleaner, by this accessory vacuum cleaner simply mode conversion become a Cyclonic vacuum cleaner, pick up from the surface being fit to and satisfied method of material to select a kind of being used for.

According to the present invention, a kind of adapter that is used for vacuum cleaner is suitable for replacing common lid and filter bag, comprises the coarse separator and the cyclone separator that connect in turn.Coarse separator is located in first container and by a first passage and is connected to an inlet tube, and this inlet tube is typically connected to a filter bag.Big or heavy particle is separated from air stream in coarse separator, and is stored in the bottom of first container.One first passage makes first container be connected with cyclone separator.

According to the present invention, a second channel has one and is arranged on the inlet on the first container top, and first container is connected with the cyclone separator fluid.Cyclone separator has truncated cone, its at the narrow base end opening so that particle drop on the diapire of second container.Cylindrical tube is arranged in cyclone separator and will discharge cyclone separator with the air of particle.

By description with reference to the accompanying drawings, these and other feature of the present invention will become clearly.In the accompanying drawing:

The decomposition diagram that Fig. 1 takes apart for the part of the front side of vacuum cleaner illustrates dust receptacle, is used to cover the lid in the chamber that comprises dust receptacle, and according to accessory of the present invention;

Fig. 2 is the perspective view of the front side of this accessory;

Fig. 3 is by the sectional view of annex along III-III line among Fig. 4;

Fig. 4 is the cross sectional view along IV-IV line among Fig. 3.

As shown in fig. 1, vacuum cleaner comprises a lower member 10, has a spout 11, one brush rolls 12 and is rotatably installed on wherein and is driven by a motor (not shown).This lower member 10 is by trailing wheel 13 and the supporting of front-wheel (not shown).

Lower member 10 is linked a upper-part 14 by a bindiny mechanism.Upper-part 14 comprises that one surrounds a dust receptacle 16 usually and has a chamber 15 by lid 17 openings of closing.Spout 11 in the lower member 10 is communicated with an inlet tube 18, and a collar 19 of dust receptacle is connected to this inlet tube.

The bottom of upper-part 14 forms an electric machine casing 20, and an electric motor fan unit 21 wherein is set.The entrance side of fan unit is communicated with chamber 15 by an opening 22, and the outlet side of fan unit is connected to an exit portion 23, and its opening is covered by the bottom of lid 17 usually.The lid bottom has some diffusing openings 24, and waste gas flows in the atmosphere by these mouthfuls.The axle that the top 25 of upper-part 14 forms a band handle moves from the teeth outwards by its vacuum cleaner.

Vacuum cleaner comprises an adapter 26.This adapter 26 is an independent unit, has an antetheca 27, and this antetheca replaces covering 17 when adapter 26 is fixed to vacuum cleaner.Similar to lid 17, the bottom of antetheca 27 has several diffusing openings 28, and air can be discharged in the atmosphere by these diffusing openings.Antetheca 27 also has a hook 29 and a locking mechanism 30, and adapter is fixed to vacuum cleaner (Fig. 2) by this mechanism.

Referring to Fig. 3 and 4, adapter 26 comprises a coarse separator 31 and a cyclone separator 32.When adapter 26 was located on the vacuum cleaner, coarse separator 31 was connected to inlet tube 18 by a first passage 33 with an inlet 34.One end 35 of first passage 33 is arranged on the top of one first container 36.First container 36 has a bottom 37, collects the foul that separates on it.One inlet 38 that leads to second channel 39 is arranged on the top of first container 36.Before inlet 38, have one to prevent that big particle from entering the grid 39a of inlet.

Second channel 39 has a port of export 40, and it is positioned at the periphery of the main cylindrical parts 41 of cyclone separator 32, thereby tangential introduction of air flows in the cylindrical parts 41.Cylindrical parts 41 is extended to an inverted butt hollow cone 42 downwards, and conical base has an opening 43, is dropped in one second container 44 by this opening by the isolated material of cyclone separator.The material that separates is collected on the bottom 45 of second separator 44.

Cyclone separator 32 also has a central outlet 46, and it is positioned at a lower end that extends downwardly into the cylindrical parts 47 of cyclone separator.Outlet 46 usually and opening 43 coaxial.Cylindrical parts 47 is extended to the parallelepiped space 50 that a formation one is used for the third channel of air by a space 48 and a passage 49.Around or a wall of restriceted envelope 50 have an opening, be provided with towards the chamber filter 51 of 15.Filter 51 is fixed to adapter 26 by the grid 52 that is positioned on filter 51 opposite sides.

Each

container

36 and 44 bottom have an opening 53 that is covered by a public lid 54.Lid 54 is remained on the adapter 26 by a retaining mechanism 55, and can open with these two containers of emptying.

The operation as follows of this device.Under normal operating condition, the collar 19 of dust receptacle 16 is connected to inlet tube 18, thereby air flows through dust receptacle.The opening in chamber 15 and exit portion 23 are closed by lid 17.Air sucks from the surface by spout 11, and air flows through inlet tube 18 and dust receptacle 16, and the foul particle is separated from air stream herein.Then, air flows through chamber 15 and opening 22 and arrives fan unit 21, and is discharged in the atmosphere by the opening 24 in exit portion 23 and the lid 17 from here.In order to change dust receptacle 16, lid 17 is removed, and so just can reach container 16 and it is taken off from inlet tube 18.

When using adapter 26, remove and cover 17 and dust receptacle 16.Then adapter 26 is inserted in the chamber 15, thereby inlet tube 18 engages with inlet 34, and adapter front wall 27 is closed chamber 15 and export department 23.When the starting fan unit, air will suck by inlet tube 18 and first passage 33 from spout 11 and flow into coarse separator 31, and heavy therein particle is by the bottom of separating and being collected in container 36 from air stream.

Then, air flows through inlet 38 and second channel 39 and arrives the cylindrical part 41 of cyclone separator 32.Particle is outwards thrown to cylindrical surface and is dropped downwards on the diapire 45 that is collected in container 44 by tapering part 42 simultaneously under action of centrifugal force.Then, the removing at separator middle part the air of particle by outlet 46, cylindrical part 47, space 48, passage 49, space 50 and filter 51 and in the inflow chamber 15.Air 15 flows to fan unit 21 by opening 22 in the above described manner and and then flows to the atmosphere by exit portion 23 and opening 28 from the chamber.

For two containers 36 of emptying and 44, adapter 26 is removed from vacuum cleaner.Then, open and cover 54 particle is shaked out

container

36,44.

Should point out, also can be used on a jar type vacuum cleaner according to adapter of the present invention.Certainly, adapter of the present invention also can be used for seeing that from airflow direction fan unit is positioned at the vacuum cleaner before the chamber 15, vacuum cleaner upright in this case, and the unit is near the spout setting in the bottom 10 of vacuum cleaner.Adapter also can be used for so-called wetting/dried dust catcher, wherein, alternately collects dust and addle.

By top as can be known described, the present invention can make multiple modification, parts reorganization and structural change and do not depart from the scope of the present invention and spirit.Therefore, the present invention is not limited to embodiment shown in the above-mentioned and figure, and covers and comprise all devices in the claims scope.

Claims

1. the adapter that is used for vacuum cleaner, described vacuum cleaner comprises a vacuum source (21) and an inlet tube (18), this inlet tube is communicated with a spout (11) and ends in the chamber (15) that has by lid (17) opening of cutting out, one dust receptacle (16) is arranged in the chamber and is typically connected to inlet tube, it is characterized in that, adapter is an independent unit (26), when removing dust receptacle (16) and lid (17) from vacuum cleaner, be fixed to adapter on the vacuum cleaner and be arranged in and be arranged on the chamber to small part, described adapter comprises a cyclone separator (32), and it has the entrance side that is connected to inlet tube (18).

2. according to the adapter of claim 1, it is characterized in that, be provided with first container (36) as coarse separator (31), it is communicated with described inlet tube (18) by a first passage (33), an opening (35) of first passage is positioned at the top of first container, and described first container is communicated with cyclone separator (32) by a second channel (39).

3. according to the adapter of claim 2, it is characterized in that an inlet (38) of second channel (39) is near the top of first container (36).

4. according to the adapter of claim 2, it is characterized in that, cyclone separator (32) comprises a cylindrical upper section (41), the opening (40) of second channel (39) is connected thereto, thereby air tangentially flows to top usually, and its middle and upper part is connected to one second container (44), wherein collects by the isolated particle of cyclone separator.

5. according to the adapter of claim 4, it is characterized in that cylindrical upper section (41) is extended to inverted Frusto-conical bottom (42), the circular cone lower end forms an opening that leads to second container (44).

6. according to the adapter of claim 4 or 5, it is characterized in that cyclone separator (32) is provided with an outlet (46), it is communicated with described chamber (15) by a third channel (47,48,49,50).

7. according to the adapter of claim 6, it is characterized in that outlet (46) is coaxial with cylindrical upper section (41).

8. according to the adapter of claim 6 or 7, it is characterized in that third channel is provided with one and sees from airflow direction and to be located at chamber (15) filter (51) before.

9. according to the adapter of aforementioned arbitrary claim, it is characterized in that first and second containers (36,44) are close mutually, and wherein the bottom of each container is provided with an opening (53), this vessel port is closed by at least one lid (54) usually.

10. according to the adapter of aforementioned arbitrary claim, it is characterized in that adapter integral body is formed with a cover plate, described cover plate is closed the opening of chamber (15) when adapter is fixed on the vacuum cleaner.