CN103300793B - The section port body of electric dust collector and possess the electric dust collector of this section port body - Google Patents

Abstract

There is provided and be prevented from maximizing and being reliably sent to by the ion of generation the section port body of the electric dust collector of outside and possess the electric dust collector of this section port body.Section port body (floor brush) (23) has housing (31), and this housing (31) possesses suction inlet (47).Floor brush (23) has rotating brush (49), and this rotating brush (49) towards the suction inlet (47) of housing (31) and rotatably configures.Floor brush (23) has the motor (61) making rotating brush (49) rotate in housing (31).Floor brush (23) has ion generator (85) in housing (31).Floor brush (23) has fan (66) in housing (31), the ion discharge extremely outside that this fan (66) is rotated by motor (61) and will produce from ion generator (85).

Description

The section port body of electric dust collector and possess the electric dust collector of this section port body

Technical field

Embodiments of the present invention relate to the section port body of electric dust collector and possess the electricity of this section port body Dynamic vacuum cleaner, this electric dust collector has the housing possessing suction inlet.

Background technology

In the past, such as Horizontal electronic dust catcher is standby: main body of dust collector, accommodates electric blower；Soft Body, is connected with this main body of dust collector；Extension tube, is connected with this hose body；And floor brush, make For the section port body being connected with this extension tube.

And, it is configured to: suck dust from the front end of floor brush even by the driving of electric blower Same air, and dust is trapped in the dust collecting part being configured at main body of dust collector.

And, in such electric dust collector, have a following electric dust collector: in order to prevent deodorize or Floating and the attachment etc. of charged caused dust, possesses for producing anion in main body of dust collector Ion generator, and possess the Air Blast fan for being sent in air by the anion of this generation.

Patent documentation 1: Japanese Unexamined Patent Publication 2008-188422 publication

Patent documentation 2: Japanese Unexamined Patent Publication 2011-167276 publication

But, if advancing before and after making floor brush on the ground and cleaning, due to floor brush and ground The frictions in face etc. and the electrostatic that generates, dust is liable to stick on ground.It is therefore contemplated that it is as follows Method, is equipped on floor brush by above-mentioned ion generator, thus by the anion of generation by dust Charge neutrality, prevents dust attachment earthward.

But, in floor brush, it is not easy to obtain the space of configuration Air Blast fan fully, i.e. enable Enough configure Air Blast fan, also have the problem that floor brush maximizes.

The problem to be solved in the present invention is, it is provided that be prevented from maximizing and by reliable for the ion of generation The section port body of electric dust collector sent and the electric dust collector possessing this section port body.

The section port body of the electric dust collector of embodiment has: housing, possesses suction inlet；Rotate clear Sweep body, towards the suction inlet of this housing and rotatably configure；Drive mechanism, is configured at this Housing, makes aforementioned rotary cleaning body rotate；Ion generator, is configured at aforementioned housing；And fan, It is configured at this housing, is rotated by aforementioned drive mechanism, the ion that will produce from aforementioned ion generator Send.

It addition, the electric dust collector of embodiment possesses: main body of dust collector, accommodate electric blower； And aforementioned section port body, connect with the suction side of aforementioned electric blower.

It is prevented from maximizing and be reliably sent to by the ion of generation outside thereby, it is possible to provide The section port body of electric dust collector and possess the electric dust collector of this section port body.

Accompanying drawing explanation

Fig. 1 is after the upside of the section port body representing the electric dust collector by an embodiment is opened The top view of state.

Fig. 2 be the I-I line of the Fig. 4 along this section port body to regarding sectional view.

Fig. 3 be the II-II line of the Fig. 4 along this section port body to regarding sectional view.

Fig. 4 is the axonometric chart representing this section port body from front.

Fig. 5 is the axonometric chart representing the electric dust collector possessing this section port body.

Symbol description: 11 electric dust collectors；12 main body of dust collector；18 electric blowers；23 make Floor brush for section port body；31 housings；47 suction inlets；49 as the rotating brush of rotary cleaning body； 61 as the motor of drive mechanism；66 fans；85 ion generators

Detailed description of the invention

Hereinafter, with reference to Fig. 2 to Fig. 5, the composition of an embodiment is described.

In Figure 5,11 represent so-called Horizontal electronic vacuum cleaner, and this electric dust collector 11 has dust suction Device main body 12 and pipe portion 13, pipe portion 13 is the wind path shape being releasably connected with this main body of dust collector 12 Adult.

Main body of dust collector 12 can possess: electronic as rotating on the ground of swept surface and advancing Aerator 18；Not shown main body control portion, controls the action of this electric blower 18；And do not scheme The dust collecting part shown, accommodates for the drum to power supply such as these electric blower 18 and main body control portions etc. (cord reel) power supply unit such as device or secondary cell etc., and in the suction side of electric blower 18 Connection.

It addition, in the front portion of main body of dust collector 12, opening is formed with main body suction inlet 19, this main body is inhaled Entrance 19 connects with dust collecting part, and is connected with the base end side in pipe portion 13.

It addition, pipe portion 13 possesses: hose body 21；Extension tube 22, for example, synthetic resin system, phase Can load and unload for this hose body 21；And the floor brush 23 as section port body, relative to this extension tube 22 can load and unload.

Hose body 21 has: hose sections 25, has flexibility；Connecting section 26, is located at this hose sections The base end side (downstream) of 25, is connected with main body suction inlet 19；And hands operating portion 27, it is located at soft The front (upstream side) in pipe portion 25.

The base end side (downstream) of extension tube 22 is releasably connected with hands operating portion 27.It addition, On this hands operating portion 27, it is protrudedly formed the handle part 28 held for user to base end side, Being configured with setting button 29 on this handle part 28, this setting button 29 is for setting to main body control portion The action pattern of electric blower 18.

These set buttons 29 and are arranged in electrical part, and this electrical part has and is contained in hands operating portion 27 Interior not shown substrate etc..

It addition, as shown in Figures 1 to 4, floor brush 23 possesses: housing 31, is formed as left and right width Direction lengthwise shape, i.e. rectangle；And connecting tube 32, it is rotatably connected to the rear portion of this housing 31, And be releasably connected to extension tube 22(Fig. 5) front (upstream side).

Housing 31 is such as formed, at this by being combined by the multiple case members shaped by synthetic resin etc. The front portion of the inside of housing 31, the suction chamber 41 connected with the upstream side (front) of connecting tube 32 It is divided and is formed as left and right width lengthwise shape.

In the rear of this suction chamber 41 and the both sides of connecting tube 32, divide and be formed with drive chamber 42 and control Room 43 processed, in the side of drive chamber 42, divides with lengthwise shape in the longitudinal direction and is formed with transfer chamber 44, and above the central part of the left and right width of suction chamber 41, division is formed with ion generation Room 45.

And, at two side lower parts of the front (side, upstream) of the connecting tube 32 of this housing 31, Rotatably it is configured with multiple wheel 46, by these wheels 46, housing 31(floor brush 23) Can wait mobile (traveling) along the longitudinal direction on swept surface.Additionally, below, fore-and-aft direction and a left side Right direction is on the basis of the direct of travel of floor brush 23.

In suction chamber 41, by being formed at the suction inlet 47 of the bottom of housing 31, bottom and housing 31(floor brush 23) ft connection.It addition, in this suction chamber 41, by being formed at housing The suction port 48,48 on the top of 31, top and housing 31(floor brush 23) ft connection.

It addition, the rotating brush 49 as rotary cleaning body is rotatably disposed in this suction chamber 41.

Suction inlet 47 is by by electric blower 18(Fig. 5) drive the negative pressure produced, with air one Act the dust sucked on swept surface, be integrally formed into rectangle throughout the bottom of suction chamber 41.

It addition, each suction port 48 is by by electric blower 18(Fig. 5) drive the negative pressure produced, Suck together with air and be positioned at floor brush 23(housing 31) top air in dust etc., lengthwise It is dimensioned so as to the lengthwise shape less than the 1/2 of the lengthwise dimension of suction inlet 47, is formed close to suck The position at the rear portion in direction opening upward before and after room 41.

Therefore, each suction port 48 connects with suction inlet 47 via suction chamber 41.It addition, each suction port 48 with slit-shaped somewhat opening, to avoid the vacuum in suction chamber 41 to be reduced to more than necessary degree.

Be formed as the axle portion 51 of lengthwise shape it addition, rotating brush 49 possesses and be pressed into this axle portion 51 The substantially cylindric bearing portion 52,52 as board at both ends, and towards suction inlet 47.

Axle portion 51 also referred to as rotating brush assembly, such as, be shaped generally as by metal or synthetic resin etc. such as aluminum Cylindrical shape, the not shown rotary shaft insertion through shaft bearing portion 52 prominent from both ends, and to these axles The outside of bearing portion 52 highlights, the not shown rotatable earth's axis of bearing being fixed on housing 31 support.

It addition, in the periphery in this axle portion 51, between two ends, be circumferentially formed with multiple groove portion 56, It addition, the base end side of cleaning part 57 is installed on these groove portions 56.

Each groove portion 56 is formed as helical form, such as from axle the most substantially in parallel in axle portion 51 The one end in portion 51 reverses 360 ° to the other end.

It addition, each cleaning part 57 possesses the most multiple hairbrush 57a, this hairbrush 57a to become with wall-like It is arranged in axle portion 51 for spiral helicine mode.It addition, before the hairbrush 57a of each cleaning part 57 Side is prominent to outside (lower section) from suction inlet 47.

It addition, drive chamber 42 is airtight relative to suction chamber 41 or is substantially gas-tightly insulated.It addition, This drive chamber 42 is accommodated with as the motor 61 making rotating brush 49 rotate the drive mechanism driven.

This motor 61 has: motor body 63, for the drive mechanism master of the most generally a cylindrical shape etc. Body；And rotary shaft 64, prominent, in one end of rotary shaft 64 from the two ends of this motor body 63 Side (in FIG for the right side of motor 61) is provided with the belt wheel 65 as rotary body, in rotary shaft Another side (in FIG for the left side of motor 61) of 64 is provided with fan 66.

It addition, this drive chamber 42 is through being formed from open communication 67 and the floor brush at the rear portion of housing 31 23(housing 31) the ft connection of rear side, and via the wind path on the top extending to suction chamber 41 Portion 68 connects with ion generation chamber 45.

And, motor 61 is via being installed on the side of periphery of motor body 63 and the opposing party Supporter 71,72 is maintained in drive chamber 42.It addition, in the present embodiment, this motor 61 are such as driven with about 5000 revs/min.

The parts that the supporter 71 of one side is such as had elasticity (flexible) and aeration by sponge etc. are formed For tubular, by the motor body 63 of motor 61(motor 61) axial central part near Periphery be maintained at the inner circumferential side of supporter 71, and the outer circumferential side of supporter 71 is maintained at driving The inner surface of room 42.

The supporter 72 of the opposing party is such as had the parts shape of elasticity (flexible) by rubber or elastomer etc. Become tubular, by the motor body 63 of motor 61(motor 61) axial one end (left) The periphery of side is maintained at the inner circumferential side of supporter 72, and the outer circumferential side of supporter 72 is pressed airtightly It is welded in the inner surface of drive chamber 42.

So, the supporter 72 of the opposing party is at the motor body 63 of motor 61(motor 61) Periphery on, become along left and right width separate drive chamber 42 partition wall.

By the supporter 71,72 of these sides and the opposing party, motor 61 is protected with the state of vibrationproof Hold the drive chamber 42 being fixed on housing 31(housing 31) on.

Belt wheel 65 is positioned at one end (right) side of rotary shaft 64, and joins highlightedly in transfer chamber 44 Put, in the periphery of this belt wheel 65, between the bearing portion 52 of a side of rotating brush 49, be wound with Synchronous belt 73 as connecting gear.

Therefore, it is configured to: by the rotation of motor 61, rotating brush 49 rotates.

Additionally, this motor 61 is powered from main body of dust collector 12 side via connecting tube 32, such as with Driving is controlled by following manner: make rotating brush 49 towards front, i.e. top is from rear side sidesway forward Dynamic direction (direction of bottom the most lateral rear side movement), in other words to floor brush 23(housing 31) The advance direction that carries out assisting rotate.

Fan 66 is Air Blast fan (aerofoil fan), is opened via connection by the rotation of motor 61 Mouthfuls 67 from floor brush 23(housing 31) the outside of rear side suck air (extraneous gas), by this Air cools down the motor body 63 of motor 61(motor 61), and by this air via wind path Portion 68 sends to ion generation chamber 45.

Additionally, in the present embodiment, belt wheel 65 and fan 66 be configured in same direction simultaneously with Same rotational speed rotates, but for example is by the other end (left) side of rotary shaft 64 dynamic via gear etc. Power transport unit is connected to fan 66, it is also possible to make the rotating speed of fan 66 and direction of rotation and belt wheel 65 Meaning ground is different.

In open communication 67, in the inner side of drive chamber 42, drive chamber's filter 75 is installed.It addition, The periphery of the motor body 63 of motor 61 is relative with this open communication 67 and positions.

The position of connecting tube 32 side from drive chamber 42, the wind path portion 68 is to the one of ion generation chamber 45 The inclined position shape ground of side extends.It addition, this wind path portion 68 is formed as: from drive chamber 42 laterally from Sub-generating chamber 45 crosswind road surface is long-pending gradually to be expanded, and GIA drive chamber 42 side is the sky sent by fan 66 The upstream side of gas, this ion generation chamber 45 side is the downstream of air.

Control room 43 is communicated to suction chamber through the anterior open communication portion 77 being formed from control room 43 41.This open communication portion 77 is formed at contrary with the transfer chamber 44 forming position (right side) of housing 31 The position (left side) of side, relative with the bearing portion 52 of the opposing party of rotating brush 49 (left side).

In this open communication portion 77, in the inner side of control room 43, control room filter 78 is installed. It addition, be accommodated with respectively in control room 43: controlling organization 81, control the driving of motor 61 grade； And safety device 82, as detection floor brush 23(housing 31) whether it is placed in ground ground connection Testing agency.

And, this control room 43 via extend to suction chamber 41 top communication air duct portion 83 with from Sub-generating chamber 45 connects.Therefore, this control room 43(is via communication air duct portion 83 and ion generation chamber 45) connect with drive chamber 42.

Controlling organization 81 is such as microcomputer etc., via connecting tube 32 from main body of dust collector 12 side It is powered.It addition, this controlling organization 81 electrically connects with motor 61 and safety device 82 etc..

Communication air duct portion 83 from the position of connecting tube 32 side of control room 43 to ion generation chamber 45 The inclined position shape ground of opposite side extends.It addition, this communication air duct portion 83 is formed as: produce from ion Lateral control room 43 crosswind road surface, room 45 is long-pending to be gradually reduced, and ion generation chamber 45 side is by fan 66 The upstream side of the air sent, control room 43 side is the downstream of air.

Ion generation chamber 45 is positioned at the top of the central part of the left and right width of suction chamber 41, relatively Airtight in suction chamber 41 or be substantially gas-tightly insulated.

Ion generator 85 it is accommodated with in ion generation chamber 45.Ion generator 85 has electrode 85a, Electrically connecting with controlling organization 81, carry out control action by this controlling organization 81, this electrode 85a passes through Such as corona discharge and produce for by the ion I of dust charge neutrality.

It addition, ion generation chamber 45 is by the ft connection of multiple taps 86 with housing 31, these are many Individual tap 86 be directed towards front and be positioned at housing 31 upside left and right width central part, I.e. between suction port 48,48, and the ion bleed hole formed along the longitudinal direction.

That is, by multiple taps 86, ion generator 85 the ion I produced is to housing 31 Front is outside discharges.

As long as additionally, can by dust charge neutrality, ion generator 85 can also produce anion, Any one of cation ion, it is however generally that, owing to the situation of dust lane positive electricity is many, thus In present embodiment, use the anion generator producing anion.

Then, the action of said one embodiment is described.

As shown in Figures 1 to 5, when cleaning, it is connected to the connecting section 26 of hose body 21 inhale The main body suction inlet 19 of dirt device main body 12, is connected to the hands operating portion of hose body 21 by extension tube 22 27, the connecting tube 32 of floor brush 23 is connected to extension tube 22.

As a result, floor brush 23 is via extension tube 22, hose body 21, main body suction inlet 19 and dust collecting part It is connected with the suction side of electric blower 18.

After becoming the state can powered by power supply unit, user is by the phase to handle part 28 The setting button 29 hoped operates, and makes electric blower 18 with desired dynamic via main body control portion Operation mode starts, and controlling organization 81 makes ion generator 85 drive and passes through the electricity of electrode 85a Corona produces ion I.

It addition, by the driving of electric blower 18, negative pressure successively to dust collecting part, main body suction inlet 19, Hose body 21, extension tube 22 and floor brush 23 are had an effect, and, ion generator 85 produce Ion I be full of in ion generation chamber 45, one part from tap 86 to housing 31(floor brush 23) outside, i.e. extraneous gas are discharged.

The ion I discharged will attach to the dust charge neutrality of outer surface etc. of ground and housing 31, thus, These dust are difficult to be attached to ground and the outer surface etc. of housing 31 because of charged.

Advance it addition, floor brush 23 is placed on swept surface before and after making it by user, thus, Dust is sucked together with air from suction inlet 47, and, suck from suction port 48,48 together with air Dust in air and the ion I produced by ion generator 85.

The dust sucked together with air from floor brush 23 is via connecting tube 32, extension tube 22, hose body 21, main body suction inlet 19 is inhaled into dust collecting part.Now, by the ion I sucked, it is attached to rotate The dust of each several parts such as brush 49, connecting tube 32, extension tube 22, hose body 21 and main body suction inlet 19 By charge neutrality, thus, fine dust (thin dirt) easily peels off.

The dust sucking dust collecting part separates with air and is captured, and the air separated with dust is being inhaled into Electric blower 18 and electric blower 18 is cooled down and becomes aerofluxus wind afterwards, to main body of dust collector 12 Discharge outside.

Additionally, when cleaning, such as in the case of the kind at swept surface is timber floor etc., according to Need setting button 29 to be operated and makes rotating brush 49 rotate and drive.

Specifically, when making motor 61 drive via controlling organization 81, via synchronous belt 73 even The rotating brush 49 being connected to belt wheel 65 forwards rotates in suction chamber 41, this belt wheel 65 and motor The end side of the rotary shaft 64 of 61 connects.It addition, by the driving of motor 61, with rotary shaft 64 Another side connect fan 66 rotate.

Rotating brush 49 removes the dust on ground by each hairbrush 57a of each cleaning part 57.It addition, Fan 66 produces negative pressure, from open communication 67 suction casing 31(floor brush 23 by rotating) The air in portion.

The air sucked blows to the motor of motor 61(motor 61 via drive chamber's filter 75 Main body 63), by the motor body 63 of this motor 61(motor 61) cooling, and via wind Road portion 68 is sent into ion generation chamber 45 by fan 66.

Therefore, by the air of this feeding, the ion I being full of in this ion generation chamber 45 and this ion Air in generating chamber 45 be forced together and constantly from tap 86 to housing 31(floor brush 23) Outside send.

It addition, a part of the ion I in ion generation chamber 45 via communication air duct portion 83 to control Room 43 is sent into and is full of in control room 43, and suppression dust is attached to controlling organization 81 and safety device 82 Deng.

Then, through control room filter 78 after open communication portion 77 sends to suction chamber 41, logical The negative pressure crossing the driving by electric blower 18 and generate, in suction chamber 41 along longitudinally in The connecting tube 32 in centre portion flows into.

Now, ion I will attach to the inwall of suction chamber 41 and the dust charge neutrality of rotating brush 49, The dust of the inwall and rotating brush 49 that easily will attach to these suction chambers 41 peels off.

It addition, be drawn into the extraneous gas in suction chamber 41 from suction port 48,48 together with air A part of ion I, along with the rotation of rotating brush 49, from rotating brush 49 in suction chamber 41 Rear is transported to rear, bottom via top and front, will attach to suction chamber 41 and rotating brush 49 Dust charge neutrality and easily peel off from inwall and the rotating brush 49 of suction chamber 41, then flow to connect Pipe 32.

At the end of cleaning, setting button 29 is operated and makes electronic air blast via main body control portion Machine 18 stops, and makes ion generator 85 stop via controlling organization 81.Additionally, at motor 61(rotating brush 49 and fan 66) the most under driving conditions, controlling organization 81 also makes motor 61 (rotating brush 49 and fan 66) stops.

An embodiment from the description above, by making the rotating brush 49 being located at floor brush 23 revolve The motor 61 turned, is used in the fan 66 that the ion I produced by ion generator 85 sends and revolves Turn, thus, it is not necessary in housing 31, be additionally configured to the motor etc. making fan 66 rotate, So floor brush 23(housing 31 will not be made) maximize, and the ion I of generation reliably can be given Go out.

Particularly, motor 61 when making rotating brush 49 rotate driving, owing to each cleaning part 57(is each The hairbrush 57a of cleaning part 57) easily produce quiet on ground and cleaning part 57 with the friction on ground Electricity, thus by by ion I from ion generation chamber 45 to housing 31(floor brush 23) outside give Go out, it is possible to effectively neutralized the electrostatic produced due to the rotating driving of rotating brush 49 by ion I, This ion I produced from ion generator 85 in the time being made this rotating brush 49 rotate driving by motor 61 Raw.

And, utilize the air sucked due to the rotation of fan 66 to cool down motor 61(motor The motor body 63 of 61), it is thus possible to the heating of motor 61 it is reliably suppressed with simple composition The efficiency caused reduces.

Particularly, for electric dust collector 11 rotating brush 49 by motor 61 with usual 5000 turns/ High speed rotating about point drives, therefore, by utilizing the rotation of this motor 61 to make fan 66 revolve Turn, it is possible to guarantee fully to send ion I and cool down the air-flow of motor 61.

It addition, the air utilizing the rotation due to fan 66 and sending into ion generation chamber 45, will be by The part of the ion I that ion generator 85 produces is to the inside of housing 31 (in the present embodiment For control room 43) send into and by dust charge neutrality, thus, even if such as by by electric blower 18 drive the negative pressure etc. produced and dust (fine dirt) is inhaled into control from the narrower gap etc. of housing 31 In the case of waiting in room 43 processed, it is also possible to suppression dust (fine dirt) control in this control room 43 The attachment of mechanism 81 processed and safety device 82 etc..

And, by open communication portion 77, control room 43 is connected with suction chamber 41, thereby, it is possible to The ion I that will be fed into control room 43 reliably sends to suction chamber 41 from open communication portion 77.

And, form position by this open communication portion 77 being arranged in the transfer chamber 44 with suction chamber 41 Put contrary side, thus at the suction chamber 41 by the negative pressure driving generation by electric blower 18 When interior ion I is attracted to connecting tube 32, it is possible to make this ion I and along suction chamber 41 and rotation Brush 49 is compared and is played a role in wide range.

Additionally, in said one embodiment, it is possible to it is configured to: each of drive chamber 42 will be communicated to Plant wind path to be formed in housing 31, thus by fan 66, ion I is sent to the phase in housing 31 Hope position.

It addition, as vacuum cleaner 11, be not limited to horizontal, such as, floor brush 23 is connected to above-below direction The bottom of the main body of dust collector 12 of lengthwise shape vertical, floor brush 23 etc. is connected directly to vacuum cleaner Main body 12 and move that this main body of dust collector 12 carrying out cleans portable etc. also be able to reply and use.

It addition, although the description of an embodiment of the invention, but this embodiment is as example Propose, it is not intended to limit the scope of invention.The embodiment of this novelty can be with other various sides Formula is implemented, in the range of without departing from invention main idea, it is possible to carries out various omission, replace, change. This embodiment or its modification are included in scope or the main idea of invention, and are included in claims In the range of described invention and equivalent thereof.

Claims (5)

1. a section port body for electric dust collector, possesses:

Housing, possesses suction inlet；

Rotary cleaning body, towards this enclosure interior divide formed suction chamber described suction inlet and with Rotatably configure；

Drive mechanism, is configured at described housing, makes described rotary cleaning body rotate；And

Ion generator, is configured in described housing divides the ion generation chamber formed,

The section port body of this electric dust collector is characterised by, is also equipped with fan, and this fan arrangement is in institute State housing, rotated, by the ion produced from described ion generator from setting by described drive mechanism The tap of the described ion generation chamber being placed in described housing is sent outside the front of described housing.

The section port body of electric dust collector the most according to claim 1, it is characterised in that

Described drive mechanism is cooled down by the rotation of described fan.

The section port body of electric dust collector the most according to claim 1 and 2, it is characterised in that

A part for the ion produced from described ion generator is sent in described housing by described fan Portion.

4. an electric dust collector, it is characterised in that possess:

Main body of dust collector, accommodates electric blower；And

The section port body of the electric dust collector described in claim 1 or 2, with described electric blower Suction side connects.

5. an electric dust collector, it is characterised in that possess:

Main body of dust collector, accommodates electric blower；And

The section port body of the electric dust collector described in claim 3, with the suction of described electric blower Side connects.