CN101608630A - Electric blower and possess the electric dust collector of this electric blower - Google Patents
Electric blower and possess the electric dust collector of this electric blower Download PDFInfo
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- CN101608630A CN101608630A CN 200910142434 CN200910142434A CN101608630A CN 101608630 A CN101608630 A CN 101608630A CN 200910142434 CN200910142434 CN 200910142434 CN 200910142434 A CN200910142434 A CN 200910142434A CN 101608630 A CN101608630 A CN 101608630A
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- 239000000428 dust Substances 0.000 title claims abstract description 45
- 230000009183 running Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000001556 precipitation Methods 0.000 claims description 9
- 238000005273 aeration Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 16
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000001574 biopsy Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The present invention relates to electric blower and electric dust collector.Reduce air when motor interior flows aeration resistance and raise the efficiency, and the effective brush of cool motors improves the life-span.Electric blower has: an end opening also has the motor (2) of rotor (6) and stator (8) in inside; At least one pair of the brush portion (10) that contacts with rotor and move; The housing (3) that holds motor and brush portion; Be located at epitrochanterian running shaft (5); Be installed in the centrifugal cutter (12) on the running shaft; The diffuser (14) of the air channel guiding in the wind direction housing that will discharge from centrifugal cutter; And be installed on fan guard (13) on the housing in the mode that covers centrifugal cutter and diffuser, opening side at housing is formed with to the side-prominent protuberance of periphery (3a), on this protuberance, form the opening portion (21) of discharging wind, on the air channel at brush place among the air channel that forms by stator periphery and housing internal diameter, opening portion is not set.
Description
Technical field
The present invention relates to electric blower and possess the electric dust collector of this electric blower.
Background technique
The electric blower of using as electric dust collector in the past, the opening side of the housing of opening at one end, the carriage of bearing is held in installation, dispose diffuser being installed between centrifugal cutter on the rotor shaft outstanding and the carriage, and cover diffuser and fan and fan guard is installed at the peripheral part of carriage from carriage.
The fixing motor stator of commutator motor on the housing is provided with relief opening in the housing side of fan opposition side.And, be provided with a plurality of openings on the carriage of fan guard being equipped with, will discharge by this opening from the part of the air-flow of centrifugal cutter, and be provided with the cutting rising portions, so that along the outer surface steering flow of housing.Thus, utilize in housing airflow flowing and, carry out the cooling (for example, with reference to patent documentation 1) of commutator motor at the air-flow of flows outside.
And, in electric blower in the past, the opening side of the housing of opening at one end, the carriage of bearing is held in installation, and on carriage, possess a plurality of openings, and the gross area of this opening is made as 70~80% of the fan opposition side relief opening gross area, make the edge part of outer circumferential side of opening roughly consistent with the peripheral end of backflow guider, to discharge (for example, with reference to patent documentation 2) from opening and relief opening both sides from the air-flow of centrifugal cutter.
In addition, in electric blower in the past, at one end the opening side of the housing of opening is installed and is held the carriage of bearing, and opening is set on carriage, makes from the brush carriage collision (for example with reference to patent documentation 3) of the air-flow and the commutator motor of this opening discharge.
Patent documentation 1: Japanese kokai publication hei 3-105099 communique
Patent documentation 2: Japanese kokai publication hei 20-26099 communique
Patent documentation 3: TOHKEMY 2005-201157 communique
According to as the described prior art of patent documentation, a part of air-flow that comes out from diffuser can not discharged by the enclosure interior that accommodates commutator motor, also can improve blower efficiency so can reduce the loss.
With regard to regard to the air-flow that flows in accommodating the housing of commutator motor and flow out from the relief opening of centrifugal cutter opposition side, its cooling commutator motor especially stronger, and the brush cooling of in patent documentation 1,2, not worrying with the effect of the brush of the high commutator butt of temperature.This is owing to be provided with a plurality of openings on carriage, the air quantity that therefore is used for cooling motor inside reduces, owing to also be provided with opening on the runner at brush place, so the cooling of brush becomes insufficient and has the danger of the lifetime of motor.
In addition, in the technology of patent documentation 3 records, make air-flow and brush carriage collision, cool off brush indirectly from opening, and owing between brush carriage and brush, have air layer, so the cooling of brush self is insufficient.
And, by opening is set, will emit to the outside from covering directly from the noise that centrifugal cutter takes place, therefore there is the problem of the noise of the electric dust collector that increases electric blower and carried this electric blower.
Summary of the invention
The objective of the invention is to solve aforesaid existing issue, realize the long lifetime of motor, improve blower efficiency.
In addition, the objective of the invention is reducing in the noise that centrifugal cutter takes place, improve the life-span and the blower efficiency of motor.
And, the purpose of this invention is to provide a kind of passing through and use this electric blower, improved the electric dust collector that sucks power.
In order to achieve the above object, the invention is characterized in, have: motor with rotor and stator; At least one pair of the brush portion that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing, opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, form the opening portion of discharging wind at this protuberance, on the air channel at air channel that forms by said stator periphery and above-mentioned housing internal diameter and above-mentioned brush place, above-mentioned opening portion is not set.
And,, the invention is characterized in to have in order to achieve the above object: motor with rotor and stator; At least one pair of brush portion with above-mentioned rotor slip; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing, above-mentioned diffuser comprises the ring bodies that is located at the said fan cover side, the diffuser wing body that has a plurality of wings in the end breaket side, and the backflow guider that has this dividing plate and a plurality of backflow wings at the opposite side of the dividing plate that disposes above-mentioned a plurality of wings, rear edge side at the above-mentioned diffuser wing is provided with through hole, opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, form the opening portion of discharging wind at this protuberance, above-mentioned opening portion is not provided with above-mentioned opening portion on the air channel at air channel that is formed by said stator periphery and above-mentioned housing internal diameter and above-mentioned brush place.
In addition, in order to achieve the above object, the invention is characterized in that electric dust collector possesses: the main body of dust collector that holds dust precipitation chamber and electric blower; The flexible pipe that one end is connected with this main body of dust collector; The handle operation portion that one end is connected with the other end of this flexible pipe; The prolongation pipe that one end is connected with the other end of this handle operation portion; And the suction inlet body that is connected with the other end of this prolongation pipe, above-mentioned electric blower has: the motor with rotor and stator; At least one pair of brush portion with above-mentioned rotor slip; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing,
Above-mentioned diffuser comprises the ring bodies that is located at the said fan cover side, has the diffuser wing body of a plurality of wings and the backflow guider that has this dividing plate and a plurality of backflow guider wings at the opposite side of the dividing plate that disposes above-mentioned a plurality of wings in the end breaket side, opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, form the opening portion of discharging wind at this protuberance, in the scope of regulation, above-mentioned opening portion is not set from the front side of the air-flow of the wind of the part at above-mentioned brush place.
The present invention has following effect.
According to the present invention, can cool off brush effectively, the long lifetime of motor can be realized, and reliability can be improved.
And, according to the present invention, can reduce the noise that takes place from centrifugal cutter, can improve the life-span and the blower efficiency of motor simultaneously.
Description of drawings
Fig. 1 is the stereoscopic figure of the electric dust collector of one embodiment of the present of invention.
Fig. 2 is the longitudinal section of the main body of dust collector of one embodiment of the present of invention.
Fig. 3 is half longitudinal section of the electric blower of one embodiment of the present of invention.
Fig. 4 is the plan view of motor of biopsy cavity marker devices of the carriage of Fig. 3.
Fig. 5 is the A-A section of Fig. 3.
Fig. 6 is the plan view of diffuser.
Fig. 7 is the ideograph of the static flow path portion of blower.
Fig. 8 is the plan view of motor of the electric blower of one embodiment of the present of invention.
Fig. 9 is the plan view of motor of the electric blower of one embodiment of the present of invention.
Figure 10 is half longitudinal section of the electric blower of one embodiment of the present of invention.
Figure 11 is the stereogram of diffuser.
Among the figure:
The 1-blower, 2-motor, 3-housing, 3a-protuberance, the 3b-assembly department, 3c-relief opening, 4-carriage, 5-running shaft, the 6-motor rotor, 7-stator coil, 8-motor stator, the long limit of 8a-motor stator periphery, the minor face of 8b-motor stator periphery, 9-bearing, 10-brush portion, 10a-brush carriage, the 11-transducer, 12-centrifugal cutter, 13-fan guard, 13a, the 304-suction port, the 14-diffuser, the 14a-diffuser wing, 15-backflow guider, the 15a-backflow guider wing, 16-nut, 17-ring bodies, the 18-dividing plate, 19-sealed member, 20a, the 20b-runner, the 21-opening portion, 22-reinforcing part, 23-through hole, the 201-main body of dust collector, 202-flexible pipe, 203-handle operation portion, 204-prolongs pipe, 205-suction inlet body, 206-opening operation unit, the 301-lower casing, 302-upper casing, 303-dust-collecting cover, the 305-collection bag, 306-dust precipitation chamber, 307-electric blower chamber, the 308-electric blower, 309-after-filter, 310-relief opening.
Embodiment
Below, with reference to accompanying drawing embodiments of the invention are described.
Use Fig. 1 and Fig. 2, the electric dust collector of one embodiment of the present of invention is described.
Fig. 1 represents the stereoscopic figure of the electric dust collector of one embodiment of the present of invention.The 201st, hold the dust precipitation chamber of collecting dust and produce the main body of dust collector of the electric blower 308 (Fig. 2) of the required suction air-flow of control of dust, 202 is flexible pipes that an end is connected with main body of dust collector 201,203 is handle operation portions that an end is connected with the other end of flexible pipe 202,204 is prolongation pipes that an end is connected with the other end of handle operation portion 203, the 205th, and the suction inlet body that is connected with the other end that prolongs pipe 204.The 206th, be located at the switching manipulation portion of the break-make of the electric blower 308 in the handle operation portion 203.
In above structure,, produce and suck air-flow if the switching manipulation portion 206 of operating handle operation unit 203 then is contained in electric blower 308 runnings in the main body of dust collector 201.Then, suck dust, and be collected in the dust precipitation chamber of main body of dust collector 201 by prolongation pipe 204, handle operation portion 203, flexible pipe 202 from suction inlet body 205.
Then, use the vertical profile side view of the main body of dust collector 201 on the electric dust collector shown in Figure 2, main body of dust collector 201 is described.
Main body of dust collector 201 constitutes exterior contour by lower casing 301, upper casing 302 and dust-collecting cover 303.Form suction port 304 on dust-collecting cover 303, side is formed with the dust precipitation chamber 306 that holds the collection bag 305 that engages with above-mentioned suction port 304 within it.At the rear of dust precipitation chamber 306, follow-up electric blower chamber 307 holds electric blower 308.The suction side of this electric blower 308 is communicated with dust precipitation chamber 306 by after-filter 309.The exhaust side of electric blower 308 is opened to the outside from relief opening 310 by exhaust chamber and discharge filter.In addition, this dust precipitation chamber 306 also can be used as the whirlwind control of dust.
Then, with reference to Fig. 3 to Fig. 7 electric blower 308 is described.Fig. 3 is the embodiment's of electric blower of the present invention half longitudinal section, Fig. 4 represents the plan view with the motor of carriage 4 biopsy cavity marker devices, the A-A section of Fig. 5 presentation graphs 3, Fig. 6 is the plan view of diffuser 14, and Fig. 7 is the ideograph of the static flow path portion of blowers 1 such as diffuser 14, backflow guider 15.This electric blower 308 roughly is divided into blower 1 and motor 2.
As shown in Figure 6, the posterior border position of the diffuser wing 14a of diffuser 14 is near fan guard, and the face from the outer circumference end of diffuser wing 14a along the outer circumferential side of this diffuser wing 14a is formed with to the inside that the runner of the recess of the general triangular shape of incision is quarter window 14b (notch).
Having to the crooked and outstanding protuberance 3a of periphery with the chimeric end opening edge part of fan guard 13 of housing 3, the outer circumferential side end of this protuberance 3a be to the opening side bending of housing 3, and form the assembly department 3b of general cylindrical shape shape.Fan guard 13 is pressed into the assembly department 3b that is entrenched in housing 3, thereby is fixed on the housing 3.
On the protuberance 3a of housing 3, be formed with the opening portion 21 of not discharging wind by the inside of motor 2.This opening portion 21 is as Fig. 4 and the axially open to running shaft 5 shown in Figure 5, and on the protuberance 3a of the upstream side of the runner 20b at brush portion 10 places opening portion 21 is not set.
If with electric blower 308 drive motors 2 that constitute as mentioned above, then the suction port 13a leaked-in air from fan guard 13 boosts and speedup with centrifugal cutter 12.The air-flow of discharging from centrifugal cutter 12 slows down between the blade of diffuser wing 14a, makes kinetic energy be converted to pressure energy and pressure is risen.The air-flow of discharging from diffuser 14 roughly turns to 90 ° with quarter window 14b shown in the arrow of Fig. 6, Fig. 7.Then, be divided into two air-flows, its part is discharged and is discharged to the outside of housing 3 from the opening portion 21 of housing 3.And another part of shunting turns to roughly 90 ° at this, and flows into backflow guider 15.The air-flow that has passed through backflow guider 15 flows in the housing 3, cools off motor rotor 6, stator coil 7, motor stator 8, brush portion 10 and transducer 11 in the housing 3, and discharges to the outside from the relief opening 3c of housing 3.
As Fig. 4, shown in Figure 5, owing on the protuberance 3a of the housing 3 of the upstream side of the runner 20b at brush portion 10 places, opening portion 21 is not set, the therefore air-flow that flows out from diffuser 14 its a lot of distinguished and admirablely among four runner 20a, 20b of fan-shaped, exists in the runner 20b of brush portion 10.And owing to do not having there is opening portion 21 on the runner 20a of brush portion 10, therefore the air quantity of discharging to the outside of housing 3 is many, and it is less to flow on runner 20a.
The life-span of motor 2 by cooling brush portion 10, can prolong the life-span of motor 2 with relevant with the temperature of the brush portion 10 of transducer 11 butts.According to present embodiment, can cool off brush portion 10 effectively, so can realize brush portion 10 long lifetime, be the long lifetime of motor 2.In addition, because in that the cooling of brush portion 10 to be intervened on the little runner 20a cooling air quantity few, so the flow velocity in the runner 20a is slow and can reduce the loss, and can improve blower efficiency.
That is, can improve the efficient of electric blower 308, and realize the long lifetime of motor 2, can obtain the high electric blower of reliability 308.
Thereby by carry this electric blower 308 on main body of dust collector 201, the reliability of electric dust collector improves, and can improve suction power.
As mentioned above in the present embodiment, among four runner 20a, 20b of the fan-shaped that motor stator 8 and housing 3 by motor 2 form, dispose on the housing 3 of upstream side of runner of brush portion 10 and form the opening portion of just not discharging wind by motor, so the air-flow that flows out from diffuser 14 flows in the runner at brush portion 10 places among four runner 20a, the 20b of fan-shaped mostly, it is less to flow in the runner that does not have brush portion 10.Thus, can cool off brush portion 10 effectively, can realize the long lifetime of motor 2, can improve reliability.In addition, because in that the cooling of brush portion 10 to be intervened on the little runner air quantity few, so the flow velocity in the runner is slack-off and can reduce the loss, and can improve blower efficiency.
Then, use Fig. 8 that other embodiments of the present invention are described.Fig. 8 is the A-A section of Fig. 3.Use identical reference character for parts same as the previously described embodiments, and omit its explanation.
In the above-described embodiments, on the protuberance 3a of housing 3, the opening portion 21 of just discharging wind by the inside of motor 2 is not arranged on the protuberance 3a of upstream side of runner 20b at brush portion 10 places, and as shown in Figure 8, on the protuberance 3a of the upstream side of the runner 20b at brush portion 10 places, block the front side of air-flow of wind of the part at brush portion 10 places, form opening portion 21 from the rear side of the position of brush portion 10.
The mobile of air-flow that flows out from diffuser 14 circles round, therefore even block the front side of air-flow of wind of the part at brush portion 10 places, and dispose opening portion 21 to rear side from the position of brush portion 10, also can keep the cooling effect of brush portion 10, the cooling air of cooling being intervened little runner can be discharged outside housing 3, can further improve blower efficiency.Thus, realize the long lifetime of the motor 2 of electric blower 308, can further raise the efficiency.
In embodiment 1 and 2, opening portion 21 is in circumferential roughly the forming in the scope more than 1/4 of housing 3.Use Fig. 9 that the method for the intensity of raising housing 3 is described.Fig. 9 is the A-A section of Fig. 3.Use identical reference character for parts same as the previously described embodiments, and omit its explanation.The backflow guider wing 15a that is positioned at the below of diffuser 14 is provided with across opening portion 21, and guider wing 15a blocks so the part of opening portion 21 is refluxed.
In the present embodiment, at a place of the opening portion 21 at backflow guider wing 15a place to the part (reinforcing part 22) of the not opening of the width equal widths of rotating center setting and backflow guider wing 15a.Owing to, be provided with the not part of opening in the place that the utilization backflow guider wing 15a of opening portion 21 blocks, therefore do not influence cooling performance, can strengthen the intensity of housing 3, can obtain the higher electric blower of reliability 308.
Then, use Figure 10 that other embodiments of the present invention are described.Figure 10 is half longitudinal section of the electric blower of present embodiment, and Figure 11 is the stereogram (ring bodies 17 is not shown) of diffuser 14.Use identical reference character for parts same as the previously described embodiments, and omit its explanation.
In addition, by opening portion 21 is set on housing 3, will directly emit from fan guard 13, so the noise of electric blower 308 and the electric dust collector that has carried this electric blower increases from the noise that centrifugal cutter 12 takes place to the outside.But, utilize the through hole 23 that is located on the diffuser wing 14a, make by the sound wave between the diffuser wing 14a and weaken in the interference of the both sides of diffuser wing 14a, so the noise of electric blower self reduces by through hole 23.Therefore, even on housing 3, exist opening portion 21 also can reduce noise, can and deposit noise and reduce and improved efficiency.
Thereby,, can realize the low noiseization of electric dust collector by carrying this electric blower 308.
Utilizability on the industry of the present invention is as follows.
As mentioned above, electric blower of the present invention has been realized with the electric dust collector that possesses this electric blower The raising of the reliability of electric blower and the raising of efficient. Thereby, realized the reliability of electric dust collector Improve and suck the raising of power. And, can also be widely used in using the Household Electrical of electric blower The purposes such as equipment, industrial equipment.
Claims (5)
1. an electric blower is characterized in that,
Have: motor with rotor and stator; At least one pair of the brush portion that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing,
Opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, forms the opening portion of discharging wind at this protuberance,
On the air channel at air channel that forms by said stator periphery and above-mentioned housing internal diameter and above-mentioned brush place, above-mentioned opening portion is not set.
2. an electric blower is characterized in that,
Have: motor with rotor and stator; At least one pair of the brush portion that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing,
Opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, forms the opening portion of discharging wind at this protuberance,
To the position at brush place above-mentioned opening portion is not set in the air channel that forms by said stator periphery and housing internal diameter and from the front side of the air-flow of the wind of the part at above-mentioned brush place.
3. electric blower according to claim 1 and 2 is characterized in that,
The backflow guider is set below above-mentioned diffuser, and this backflow guider possesses the backflow guider wing that forms the air channel,
On the position, at least one place of the above-mentioned opening portion at this backflow guider wing place, be provided with the not part of opening.
4. an electric blower is characterized in that,
Have: motor with rotor and stator; At least one pair of the brush portion that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing,
Above-mentioned diffuser comprises the ring bodies that is located at the said fan cover side, has the diffuser wing body of a plurality of wings and the backflow guider that has this dividing plate and a plurality of backflow wings at the opposite side of the dividing plate that disposes above-mentioned a plurality of wings in the end breaket side, rear edge side at the above-mentioned diffuser wing is provided with through hole
Opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, forms the opening portion of discharging wind at this protuberance,
Above-mentioned opening portion is not provided with opening portion on the air channel at air channel that is formed by said stator periphery and above-mentioned housing internal diameter and above-mentioned brush place.
5. an electric dust collector possesses: the main body of dust collector that holds dust precipitation chamber and electric blower; The flexible pipe that one end is connected with this main body of dust collector; The handle operation portion that one end is connected with the other end of this flexible pipe; The prolongation pipe that one end is connected with the other end of this handle operation portion; And the suction inlet body that is connected with the other end of this prolongation pipe, it is characterized in that,
Above-mentioned electric blower has: the motor with rotor and stator; At least one pair of the brush portion that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush portion in inside; Be located at above-mentioned epitrochanterian running shaft; Be installed in the centrifugal cutter on this running shaft; Will be from the diffuser of the air channel guiding in the above-mentioned housing of wind direction of above-mentioned centrifugal cutter discharge; And be installed in the mode that covers above-mentioned centrifugal cutter and above-mentioned diffuser and have the fan guard of suction port at central part on the above-mentioned housing,
Above-mentioned diffuser comprises the ring bodies that is located at the said fan cover side, has the diffuser wing body of a plurality of wings and have the backflow guider of this dividing plate and a plurality of backflow guider wings at the opposite side of the dividing plate that disposes above-mentioned a plurality of wings in the end breaket side,
Opening side at above-mentioned housing is formed with to the side-prominent protuberance of periphery, forms the opening portion of discharging wind at this protuberance,
In the scope of regulation, above-mentioned opening portion is not set from the front side of the air-flow of the wind of the part at above-mentioned brush place.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008157334 | 2008-06-17 | ||
JP2008157334A JP4951588B2 (en) | 2008-06-17 | 2008-06-17 | Electric blower and vacuum cleaner equipped with the same |
JP2008-157334 | 2008-06-17 |
Publications (2)
Publication Number | Publication Date |
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CN101608630A true CN101608630A (en) | 2009-12-23 |
CN101608630B CN101608630B (en) | 2013-05-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200910142434 Expired - Fee Related CN101608630B (en) | 2008-06-17 | 2009-06-16 | Electric blower and electric duct collector equipped with the same |
Country Status (3)
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JP (1) | JP4951588B2 (en) |
CN (1) | CN101608630B (en) |
TW (1) | TWI401366B (en) |
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CN101608631B (en) * | 2008-06-17 | 2012-02-08 | 日立空调·家用电器株式会社 | Electric blower and electric duct collector equipped with the same |
CN104421185A (en) * | 2013-08-23 | 2015-03-18 | 日立空调·家用电器株式会社 | Electric fan and electric dust collector therewith |
CN105275863A (en) * | 2014-06-09 | 2016-01-27 | 日立空调·家用电器株式会社 | Electric blower and vacuum cleaner |
CN105375687A (en) * | 2014-08-20 | 2016-03-02 | 松下知识产权经营株式会社 | Electric fan and eletric dust cleaner using the same |
CN112901532A (en) * | 2021-01-28 | 2021-06-04 | 苏州永捷电机有限公司 | Fan of dust collector |
CN113482943A (en) * | 2016-07-13 | 2021-10-08 | 三菱电机株式会社 | Electric blower and electric equipment |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP6382122B2 (en) * | 2015-01-28 | 2018-08-29 | 日立アプライアンス株式会社 | Electric blower and vacuum cleaner equipped with the same |
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CN1160516C (en) * | 1998-05-13 | 2004-08-04 | 松下电器产业株式会社 | Electric blower and vacuum cleaner using it |
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- 2008-06-17 JP JP2008157334A patent/JP4951588B2/en not_active Expired - Fee Related
-
2009
- 2009-06-01 TW TW98117981A patent/TWI401366B/en not_active IP Right Cessation
- 2009-06-16 CN CN 200910142434 patent/CN101608630B/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101608631B (en) * | 2008-06-17 | 2012-02-08 | 日立空调·家用电器株式会社 | Electric blower and electric duct collector equipped with the same |
CN104421185A (en) * | 2013-08-23 | 2015-03-18 | 日立空调·家用电器株式会社 | Electric fan and electric dust collector therewith |
CN105275863A (en) * | 2014-06-09 | 2016-01-27 | 日立空调·家用电器株式会社 | Electric blower and vacuum cleaner |
CN105375687A (en) * | 2014-08-20 | 2016-03-02 | 松下知识产权经营株式会社 | Electric fan and eletric dust cleaner using the same |
CN113482943A (en) * | 2016-07-13 | 2021-10-08 | 三菱电机株式会社 | Electric blower and electric equipment |
CN113482943B (en) * | 2016-07-13 | 2023-11-10 | 三菱电机株式会社 | Electric blower and electric device |
CN112901532A (en) * | 2021-01-28 | 2021-06-04 | 苏州永捷电机有限公司 | Fan of dust collector |
Also Published As
Publication number | Publication date |
---|---|
CN101608630B (en) | 2013-05-08 |
TWI401366B (en) | 2013-07-11 |
TW201016979A (en) | 2010-05-01 |
JP4951588B2 (en) | 2012-06-13 |
JP2009299634A (en) | 2009-12-24 |
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