CN101608630B - Electric blower and electric duct collector equipped with the same - Google Patents
Electric blower and electric duct collector equipped with the same Download PDFInfo
- Publication number
- CN101608630B CN101608630B CN 200910142434 CN200910142434A CN101608630B CN 101608630 B CN101608630 B CN 101608630B CN 200910142434 CN200910142434 CN 200910142434 CN 200910142434 A CN200910142434 A CN 200910142434A CN 101608630 B CN101608630 B CN 101608630B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- diffuser
- housing
- backflow
- guider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims description 43
- 230000009183 running Effects 0.000 claims description 16
- 238000001556 precipitation Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 21
- 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
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明涉及电动鼓风机及电动吸尘器。降低空气在电动机内部流动时的通气阻力而提高效率，且有效冷却电动机的电刷，提高寿命。电动鼓风机具有：一端开口并在内部具有转子(6)及定子(8)的电动机(2)；与转子接触而运动的至少一对电刷部(10)；容纳电动机和电刷部的壳体(3)；设在转子上的旋转轴(5)；安装在旋转轴上的离心风扇(12)；将从离心风扇排出的风向壳体内的风道引导的扩散器(14)；以及以覆盖离心风扇及扩散器的方式安装于壳体上的风扇罩(13)，在壳体的开口侧形成有向外周侧突出的突出部(3a)，在该突出部上形成排出风的开口部(21)，在由定子外周和壳体内径形成的风道之中电刷所在的风道上未设置开口部。
The invention relates to an electric blower and an electric vacuum cleaner. Reduce the ventilation resistance when the air flows inside the motor to improve efficiency, and effectively cool the brushes of the motor to improve life. The electric blower has: a motor (2) that is open at one end and has a rotor (6) and a stator (8) inside; at least a pair of brushes (10) that move in contact with the rotor; a housing that accommodates the motor and the brushes (3); the rotating shaft (5) located on the rotor; the centrifugal fan (12) installed on the rotating shaft; the diffuser (14) guiding the wind discharged from the centrifugal fan to the air duct in the casing; and covering The fan cover (13) installed on the casing in the form of a centrifugal fan and a diffuser is formed with a protruding portion (3a) protruding to the outer peripheral side on the opening side of the casing, and an opening for discharging wind is formed on the protruding portion ( 21), among the air passages formed by the outer circumference of the stator and the inner diameter of the casing, no opening is provided on the air passage where the brushes are located.
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, configure diffuser being installed between centrifugal cutter on the rotor shaft outstanding from carriage and carriage, and cover diffuser and fan and at the peripheral part provided with fan cover of carriage.
The fixing motor stator of commutator motor on 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 the air-flow that flows and at the air-flow of flows outside, carry out cooling (for example, with reference to the patent documentation 1) of commutator motor in housing.
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 possess a plurality of openings on carriage, 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, install the carriage that holds bearing, and opening is set on carriage, make from the brush carriage collision (for example with reference to patent documentation 3) of 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 prior art as described in patent documentation, can will not discharge by the enclosure interior that accommodates commutator motor from diffuser a part of air-flow out, so can reduce the loss and can improve blower efficiency.
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 with the effect of the brush of the high commutator butt of temperature, and the brush of not worrying in patent documentation 1,2 is cooling.This is owing to being provided with a plurality of openings on carriage, the air quantity that therefore is used for cooling motor inside reduces, and owing to also being provided with opening on the runner at brush place, so brush cooling becomes insufficient and have the danger of the lifetime of motor.
In addition, in the technology of patent documentation 3 record, the air-flow from opening is collided with brush carriage, cooling brush indirectly, and owing to there being air layer between brush carriage and brush, so brush self is cooling insufficient.
And, by opening is set, will emit to the outside from covering directly from the noise that centrifugal cutter occurs, 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 existing issue as above, realize the long lifetime of motor, improve blower efficiency.
In addition, the objective of the invention is to improve life-span and the blower efficiency of motor when reducing the noise that occurs from centrifugal cutter.
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: the motor with rotor and stator; At least one pair of brush section that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush section in inside; Be located at above-mentioned epitrochanterian running shaft; Be arranged on the centrifugal cutter on this running shaft; The diffuser of the air channel guiding in the above-mentioned housing of wind direction that will discharge from above-mentioned centrifugal cutter; 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 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 the air channel that is formed 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: the motor with rotor and stator, at least one pair of brush section of sliding with above-mentioned rotor, one end opening also holds above-mentioned motor and the housing of above-mentioned brush section in inside, be located at above-mentioned epitrochanterian running shaft, be arranged on the centrifugal cutter on this running shaft, the diffuser of the air channel guiding in the above-mentioned housing of wind direction that will discharge from above-mentioned centrifugal cutter, 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 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 does not arrange above-mentioned opening portion on the air channel at the 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, 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 section that one end is connected with the other end of this flexible pipe; The extension tube that one end is connected with the other end of this handle operation section; And the sucking mouth that is connected with the other end of this extension tube, above-mentioned electric blower has: the motor with rotor and stator; At least one pair of brush section of sliding with above-mentioned rotor; One end opening also holds above-mentioned motor and the housing of above-mentioned brush section in inside; Be located at above-mentioned epitrochanterian running shaft; Be arranged on the centrifugal cutter on this running shaft; The diffuser of the air channel guiding in the above-mentioned housing of wind direction that will discharge from above-mentioned centrifugal cutter; 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 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, cooling brush, can realize the long lifetime of motor, and can improve reliability effectively.
And, according to the present invention, can reduce the noise that occurs from centrifugal cutter, can improve 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.
In figure:
the 1-blower, the 2-motor, the 3-housing, the 3a-protuberance, the 3b-assembly department, the 3c-relief opening, the 4-carriage, the 5-running shaft, the 6-motor rotor, the 7-stator coil, the 8-motor stator, the long limit of 8a-motor stator periphery, the minor face of 8b-motor stator periphery, the 9-bearing, 10-brush section, the 10a-brush carriage, the 11-transducer, the 12-centrifugal cutter, the 13-fan guard, 13a, the 304-suction port, the 14-diffuser, the 14a-diffuser wing, 15-backflow guider, the 15a-backflow guider wing, the 16-nut, the 17-ring bodies, the 18-dividing plate, the 19-sealed member, 20a, the 20b-runner, the 21-opening portion, the 22-reinforcing part, the 23-through hole, the 201-main body of dust collector, the 202-flexible pipe, 203-handle operation section, the 204-extension tube, the 205-sucking mouth, 206-opening operation unit, the 301-lower casing, the 302-upper casing, the 303-dust-collecting cover, the 305-collection bag, the 306-dust precipitation chamber, 307-electric blower chamber, the 308-electric blower, the 309-after-filter, the 310-relief opening.
Embodiment
Below, with reference to accompanying drawing, embodiments of the invention are described.
Embodiment 1
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 sections that an end is connected with the other end of flexible pipe 202, the extension tube that 204 is ends is connected with the other end of handle operation section 203, the 205th, the sucking mouth that is connected with the other end of extension tube 204.The 206th, be located at the switching manipulation section of the break-make of the electric blower 308 in handle operation section 203.
In above structure, if the switching manipulation section of operating handle operation unit 203 206 is contained in electric blower 308 runnings in main body of dust collector 201, produces and suck air-flow.Then, suck dust from sucking mouth 205, and be collected in the dust precipitation chamber of main body of dust collector 201 by extension tube 204, handle operation section 203, flexible pipe 202.
Then, use the vertical profile side view of the main body of dust collector 201 on electric dust collector shown in Figure 2, main body of dust collector 201 is described.
Main body of dust collector 201 consists of 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 the blowers 1 such as diffuser 14, backflow guider 15.This electric blower 308 roughly is divided into blower 1 and motor 2.
The motor stator 8 of motor 2 is main is considered as roughly anistree shape, four long limit 8a and four minor face 8b alternate configurations, and four minor face 8b are fixed on housing 3.In the inboard of motor stator 8, a pair of stator coil 7 of opposed coiling.Formed runner 20a, the 20b of four fan-shapeds by the internal diameter of the periphery of four long limit 8a of motor stator 8 and housing 3.Dispose brush section 10 in the downstream side of the runner 20b of a side that there is no stator coil 7.Brush section 10 utilizes brush carriage 10a to be screwed on housing 3.Upstream side at the runner 20b that disposes brush is screwed carriage 4, keeps bearing 9, supporting rotating shaft 5 on carriage 4.
Blower 1 comprises centrifugal cutter 12, holds the fan guard 13 of this centrifugal cutter 12, diffuser 14 and have the static flow path portion of backflow guider 15 at the back side of this diffuser 14.
Blower 1 comprises: have the centrifugal cutter 12 that utilizes the fixing a plurality of blades of nut 16 in the end of running shaft 5; Be configured in the diffuser 14 with a plurality of diffuser wing 14a of the outer circumferential side of centrifugal cutter 12; Be located at the ring bodies 17 of top (fan guard 13) side of this diffuser wing 14a; Be located at the dividing plate 18 of below (carriage 4) side of diffuser 14; Be formed at the backflow guider 15 with many backflow guider wing 15a of below (carriage 4) side of this dividing plate 18; And in-built centrifugal cutter 12, diffuser 14 and backflow guider 15, and have air suction inlet 13a in central authorities, and the fan guard 13 that is connected with housing 3.Dispose sealed member 19 on fan guard 13, roughly contact with centrifugal cutter 12, have the structure of Leakage prevention.In the present embodiment, form the fixed guide blade by the diffuser 14 with a plurality of diffuser wing 14a, dividing plate 18 and backflow guider 15 with many backflow guider wing 15a, the air channel guiding in the wind direction housing 3 that will discharge from centrifugal cutter 12.In addition, as required ring bodies 17 can be set also and form the fixed guide blade.
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 housing 3.
Be formed with the opening portion 21 of not discharging wind by the inside of motor 2 on the protuberance 3a of housing 3.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 section 10 places, opening portion 21 is not set.
If with electric blower 308 drive motors 2 that consist of as mentioned above, 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 makes pressure rise.The air-flow of discharging from diffuser 14 roughly turns to 90 ° with quarter window 14b as 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 housing 3, motor rotor 6, stator coil 7, motor stator 8, brush section 10 and transducer 11 in cooling housing 3, and discharge 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 section 10 places, opening portion 21 not being set, in its a lot of distinguished and admirable runner 20b that have brush section 10 among four runner 20a, the 20b of fan-shaped of the air-flow that therefore flows out from diffuser 14.And due to opening portion 21 on the runner 20a that there is no brush section 10, the air quantity of therefore discharging to the outside of housing 3 is many, flows on runner 20a less.
The life-span of motor 2 by cooling electric brush portion 10, can extend the life-span of motor 2 with relevant with the temperature of the brush section 10 of transducer 11 butts.According to the present embodiment, the cooling electric brush portion 10 effectively, thus can realize brush section 10 long lifetime, be the long lifetime of motor 2.In addition, because cooling air quantity on to the little runner 20a of the cooling intervention of brush section 10 is few, so the flow velocity in 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 to form on the housing 3 of upstream side of runner of brush section 10 and just do not discharge the opening portion of wind by motor, so the air-flow that flows out from diffuser 14 flows in the runner at brush section 10 places among four runner 20a, 20b of fan-shaped mostly, flow in the runner that there is no brush section 10 less.Thus, the cooling electric brush portion 10 effectively, can realize the long lifetime of motor 2, can improve reliability.In addition, because air quantity on to the little runner of the cooling intervention of brush section 10 is few, so the flow velocity in 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 the description thereof will be omitted.
In the above-described embodiments, on the protuberance 3a of housing 3, the opening portion 21 of just not discharging wind by the inside of motor 2 is not arranged on the protuberance 3a of upstream side of runner 20b at brush section 10 places, and as shown in Figure 8, on the protuberance 3a of the upstream side of the runner 20b at brush section 10 places, block the front side of air-flow of wind of the part at brush section 10 places, form opening portion 21 from the rear side of the position of brush section 10.
The mobile convolution of the air-flow that flows out from diffuser 14, therefore even block the front side of air-flow of wind of the part at brush section 10 places, and dispose opening portion 21 from the position of brush section 10 to rear side, also can keep the cooling effect of brush section 10, cooling air to the little runner of cooling intervention 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 the description thereof will be omitted.The backflow guider wing 15a that is positioned at the below of diffuser 14 arranges across opening portion 21, blocks so the part of opening portion 21 is refluxed guider wing 15a.
The part (reinforcing part 22) of the not opening of the width that equates with the width of backflow guider wing 15a to the rotating center setting at a place of the opening portion 21 at backflow guider wing 15a place in the present embodiment.Place because the utilization backflow guider wing 15a at opening portion 21 blocks is provided with the not part of opening, does not therefore affect 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 the 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 the description thereof will be omitted.
In addition, by opening portion 21 is set on housing 3, will directly emit to the outside from fan guard 13 from the noise that centrifugal cutter 12 occurs, so the noise of electric blower 308 and the electric dust collector that has carried this electric blower increases.But, utilize the through hole 23 that is located on diffuser wing 14a, make to interfere in the both sides of diffuser wing 14a by through hole 23 by the sound wave between diffuser wing 14a and weaken, so the reducing noise of electric blower self.Therefore, even exist opening portion 21 also can reduce noise, can and deposit reducing noise and improved efficiency on housing 3.
Thereby, by carrying this electric blower 308, can realize the low noise of electric dust collector.
Utilizability on industry of the present invention is as follows.
As mentioned above, electric blower of the present invention and the electric dust collector that possesses this electric blower have been realized the raising of reliability of electric blower and the raising of efficient.Thereby, realized that the reliability of electric dust collector improves and suck the raising of power.And, can also be widely used in using the purposes such as Household Electrical equipment, industrial equipment of electric blower.
Claims (7)
1. an electric blower, is characterized in that,
Have: the motor with rotor and stator; The a pair of brush section that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush section in inside; Be located at above-mentioned epitrochanterian running shaft; Be arranged on the centrifugal cutter on this running shaft; The diffuser of the runner guiding in the above-mentioned housing of wind direction that will discharge from above-mentioned centrifugal cutter; 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 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,
Form 4 runners on said stator periphery and above-mentioned housing internal diameter,
Above-mentioned a pair of brush section is arranged in respectively on two runners of above-mentioned 4 runners,
In above-mentioned protuberance, be positioned on the above-mentioned protuberance of above-mentioned runner middle and upper reaches one side at above-mentioned brush section place above-mentioned opening portion is not set; On the above-mentioned protuberance of above-mentioned runner middle and upper reaches one side that there is no above-mentioned brush section, above-mentioned opening portion is set.
2. electric blower according to claim 1, 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 reinforcing part that the part of above-mentioned opening portion is blocked.
3. an electric blower, is characterized in that,
Have: the motor with rotor and stator; The a pair of brush section that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush section in inside; Be located at above-mentioned epitrochanterian running shaft; Be arranged on the centrifugal cutter on this running shaft; The diffuser of the runner guiding in the above-mentioned housing of wind direction that will discharge from above-mentioned centrifugal cutter; 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 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,
Form 4 runners on said stator periphery and housing internal diameter,
Above-mentioned a pair of brush section is arranged in respectively on two runners of above-mentioned 4 runners,
The backflow guider is set below above-mentioned diffuser,
Above-mentioned backflow guider is made of a plurality of forniciform backflow guider wings,
Form the air channel between the adjacent above-mentioned backflow guider wing,
Above-mentioned opening portion in above-mentioned protuberance only is arranged on above-mentioned air channel, and this air channel is towards the above-mentioned runner that there is no above-mentioned brush section,
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. electric blower according to claim 3, is characterized in that,
On the position, at least one place of the above-mentioned opening portion at this backflow guider wing place, be provided with the reinforcing part that the part of above-mentioned opening portion is blocked.
5. an electric blower, is characterized in that,
Have: the motor with rotor and stator; The a pair of brush section that contacts with above-mentioned rotor and move; One end opening also holds above-mentioned motor and the housing of above-mentioned brush section in inside; Be located at above-mentioned epitrochanterian running shaft; Be arranged on the centrifugal cutter on this running shaft; The diffuser of the runner guiding in the above-mentioned housing of wind direction that will discharge from above-mentioned centrifugal cutter; 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 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,
Form 4 runners on said stator periphery and above-mentioned housing internal diameter,
Above-mentioned a pair of brush section is arranged in respectively on two runners of above-mentioned 4 runners,
Above-mentioned diffuser has a plurality of diffuser wings, on a side, ring bodies is being set above this diffuser wing, in the lower side of above-mentioned diffuser, dividing plate is set, and a plurality of backflow guiders with curved shape backflow guider wing are set on a side below aforementioned barriers,
Rear edge side at the above-mentioned diffuser wing is provided with through hole,
Form the air channel between the adjacent above-mentioned backflow guider wing,
Above-mentioned opening portion in above-mentioned protuberance only is arranged on above-mentioned air channel, and this air channel is towards the above-mentioned runner that there is no above-mentioned brush section.
6. electric blower according to claim 5, is characterized in that,
On the position, at least one place of the above-mentioned opening portion at this backflow guider wing place, be provided with the reinforcing part that the part of above-mentioned opening portion is blocked.
7. electric dust collector possesses: the main body of dust collector that holds dust precipitation chamber and electric blower chamber; The flexible pipe that one end is connected with this main body of dust collector; The handle operation section that one end is connected with the other end of this flexible pipe; The extension tube that one end is connected with the other end of this handle operation section; And the sucking mouth that is connected with the other end of this extension tube, it is characterized in that,
Above-mentioned electric blower chamber has held the described electric blower of any one claim in claim 1,3,5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008157334 | 2008-06-17 | ||
| JP2008-157334 | 2008-06-17 | ||
| JP2008157334A JP4951588B2 (en) | 2008-06-17 | 2008-06-17 | Electric blower and vacuum cleaner equipped with the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101608630A CN101608630A (en) | 2009-12-23 |
| CN101608630B true CN101608630B (en) | 2013-05-08 |
Family
ID=41482505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| Country | Link |
|---|---|
| JP (1) | JP4951588B2 (en) |
| CN (1) | CN101608630B (en) |
| TW (1) | TWI401366B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4729599B2 (en) * | 2008-06-17 | 2011-07-20 | 日立アプライアンス株式会社 | Electric blower and vacuum cleaner equipped with the same |
| JP2015040539A (en) * | 2013-08-23 | 2015-03-02 | 日立アプライアンス株式会社 | Electric blower and vacuum cleaner equipped with the same |
| JP6396083B2 (en) * | 2014-06-09 | 2018-09-26 | 日立アプライアンス株式会社 | Electric blower and vacuum cleaner |
| JP6375516B2 (en) * | 2014-08-20 | 2018-08-22 | パナソニックＩｐマネジメント株式会社 | Electric blower and electric vacuum cleaner using it |
| 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 |
| CN109477496B (en) * | 2016-07-13 | 2021-07-02 | 三菱电机株式会社 | Electric blowers and electrical equipment |
| CN112901532A (en) * | 2021-01-28 | 2021-06-04 | 苏州永捷电机有限公司 | Fan of dust collector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1606660A (en) * | 2001-12-21 | 2005-04-13 | 松下电器产业株式会社 | Electrically power blower |
| CN1641227A (en) * | 2004-01-16 | 2005-07-20 | 三洋电机株式会社 | Electric air-blowing machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925958A (en) * | 1982-08-04 | 1984-02-10 | Nippon Steel Corp | Unidirectional silicon steel plate and its manufacture |
| JPH0552200A (en) * | 1991-08-23 | 1993-03-02 | Hitachi Ltd | Motor-driven blower |
| TW381150B (en) * | 1996-03-29 | 2000-02-01 | Sanyo Electric Co | Electric fan |
| JPH1026099A (en) * | 1996-07-09 | 1998-01-27 | Mitsubishi Electric Corp | Motor-driven blower |
| CN1160516C (en) * | 1998-05-13 | 2004-08-04 | 松下电器产业株式会社 | Electric blower and electric vacuum cleaner using it |
| JP2005137064A (en) * | 2003-10-28 | 2005-05-26 | Toshiba Tec Corp | Electric blower and vacuum cleaner |
-
2008
- 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
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1606660A (en) * | 2001-12-21 | 2005-04-13 | 松下电器产业株式会社 | Electrically power blower |
| CN1641227A (en) * | 2004-01-16 | 2005-07-20 | 三洋电机株式会社 | Electric air-blowing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI401366B (en) | 2013-07-11 |
| JP4951588B2 (en) | 2012-06-13 |
| TW201016979A (en) | 2010-05-01 |
| JP2009299634A (en) | 2009-12-24 |
| CN101608630A (en) | 2009-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101608630B (en) | Electric blower and electric duct collector equipped with the same | |
| CN204551351U (en) | Hair-dryer | |
| CN100464078C (en) | Electric blower and electric dust collector with such blower | |
| JP2005307985A (en) | Electric blower for vacuum cleaner and vacuum cleaner using same | |
| JP3724413B2 (en) | Electric blower for electric vacuum cleaner and electric vacuum cleaner using the same | |
| CN102913474B (en) | Electric blower and installed the electric dust collector of this electric blower | |
| CN104251230B (en) | Receded disk impeller and include the suction and blowing device of this receded disk impeller | |
| CN101608632A (en) | Electric blowers and electric vacuum cleaners equipped with electric blowers | |
| CN106989034B (en) | Centrifugal fan and dust collector with same | |
| TWI468597B (en) | Electric blower and vacuum cleaner equipped with electric blower | |
| JP2002102122A (en) | Vacuum cleaner | |
| CN204628027U (en) | A kind of blower fan for vacuum cleaner | |
| CN201486889U (en) | Dual channel fan | |
| CN108221250A (en) | Pneumatic lint trimmer driven by centrifugal fan | |
| TWI645114B (en) | Electric blower and electric vacuum cleaner | |
| CN220707505U (en) | Fan subassembly and have its new trend module, air conditioner | |
| CN110494654B (en) | Telecentric fan, molding die and fluid delivery device | |
| JP2006038443A (en) | Air duct | |
| CN100489316C (en) | Centrifugal fan and vacuum cleaner having the centrifugal fan | |
| CN111588303B (en) | Dust collector | |
| CN102793510A (en) | Fan diffuser structure for dust collector | |
| JP2007182852A (en) | Electric blower and vacuum cleaner equipped with the same | |
| JP2011064096A (en) | Electric blower and vacuum cleaner using the same | |
| JP4625722B2 (en) | Electric blower and vacuum cleaner equipped with the same | |
| CN219176647U (en) | Centrifugal fan heat dissipation channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Hitachi Global Living Program Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Appliances, Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 |