CN105003463A - Split type impeller structure of high-efficiency electric blower fan for dust collector - Google Patents
Split type impeller structure of high-efficiency electric blower fan for dust collector Download PDFInfo
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- CN105003463A CN105003463A CN201510373007.2A CN201510373007A CN105003463A CN 105003463 A CN105003463 A CN 105003463A CN 201510373007 A CN201510373007 A CN 201510373007A CN 105003463 A CN105003463 A CN 105003463A
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Abstract
The invention relates to a dust collector part, in particular to a split type impeller structure of a high-efficiency electric blower fan for a dust collector. The split type impeller structure comprises an upper impeller blade, a lower impeller blade and a plurality of middle impeller blades, wherein an air outlet is formed in the center of the upper impeller blade; the plurality of middle impeller blades are arranged between the upper impeller blade and the lower impeller blade, and are spirally arranged by taking the air outlet of the upper impeller blade as a center; the middle impeller blade is an arc-shaped thin sheet, comprises an upper connecting part and a lower connecting part; the upper connecting part of the middle impeller blade is provided with a first inclined surface; the lower connecting part of the middle impeller blade is provided with a second inclined surface; a first inclined slot for accommodating the upper connecting part is formed in the upper impeller blade; a second inclined slot for accommodating the lower connecting part is formed in the lower impeller blade; and the inner and outer surfaces of the impeller integer are coated with film layers. The split type impeller structure achieves good sealing effect, increases suction air flow, strengthens air suction effect of the impeller and prolongs the integral working efficiency of the electric blower fan.
Description
Technical field
The present invention relates to a kind of vacuum cleaner parts, specifically a kind of split type blade wheel structure of high efficiency electric fan of vacuum cleaner.
Background technique
In prior art, the movable vane wheel of fan of vacuum cleaner motor is a receded disk impeller, the middle impeller blade comprising impeller blade, lower impeller blade and be arranged between impeller blade and lower impeller blade, the center of upper impeller blade arranges intake grill, exhaust outlet is formed between middle impeller blade and upper and lower impeller blade, further, the shape of middle impeller blade is curved.
Ideally, the intake grill of the driven impeller of air enters, under movable vane wheel High Rotation Speed, air is accelerated suddenly after entering movable vane wheel, the direct air impingement that passive impeller sucks is on the blade of middle impeller, the air of axial flow direction turns to into centrifugal direction suddenly, and the curved surface along middle impeller blade flows, and finally flows out from exhaust outlet.
But manufacture then assembling formation because upper impeller blade, middle impeller blade and lower impeller blade are separated, gap is there is between middle impeller blade and upper and lower impeller blade, when movable vane wheel High Rotation Speed, air-flow is sucked into the air-suction channel into movable vane wheel inner space, wherein there is small part air-flow can flow out from this gap, affect adjacent passage each other and produce eddy current, reduce degree of vacuum and the air mass flow of electric fan, thus reduce the output and working efficiency that suck power.
Existing solution arranges paint film layer in the movable vane wheel surface coating of having assembled, and utilizes paint film layer to carry out plugging gap.But paint film layer is at movable vane wheel surface distributing inhomogeneity, affect movable vane wheel balance; In addition, the plugging effect of paint film layer to gap is undesirable, and part binding site still exists gap; And the setting of paint film layer adds operation and cost.
Summary of the invention
The present invention mainly solves the deficiency existing for prior art, a kind of split type blade wheel structure of high efficiency electric fan of vacuum cleaner is provided, the present invention by arranging skewed slot on upper impeller blade and lower impeller blade, middle impeller blade is arranged and can insert the upper joint of skewed slot and lower joint, reduce gap when middle impeller blade coordinates with upper impeller blade and lower impeller blade widely, and then with gap described in paint film layer shutoff, play good seal action, prevent from entering into air-flow in fan blade in each passage from gap mutual crossfire, add intake air flow and degree of vacuum, strengthen movable vane wheel air draught effect, improve the complete machine working efficiency of electric fan.
For solving the problem, the invention provides a kind of split type blade wheel structure of high efficiency electric fan of vacuum cleaner, comprise impeller blade, lower impeller blade and multiple middle impeller blade, the center of described upper impeller blade has exhaust outlet, described multiple middle impeller blade is arranged between impeller blade and lower impeller blade, and helically arrange centered by the exhaust outlet of above impeller blade, described middle impeller blade is arc thin slice, comprise joint and lower joint, the upper joint of described middle impeller blade has the first plane of inclination, the lower joint of described middle impeller blade has the second plane of inclination, described upper impeller blade has the first skewed slot holding described upper joint, described lower impeller blade has the second skewed slot holding described lower joint, the overall inner and outer surface of described impeller all applies and arranges paint film layer, and the thickness of described paint film layer is 0.1-0.5mm.
Described middle impeller blade comprises inner side surface and outer side surface, described first plane of inclination by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
Described second inclined-plane by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
The angle of inclination of described first plane of inclination is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described first skewed slot is 15 ° ~ 30 °.
The angle of inclination on described second inclined-plane is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described second skewed slot is 15 ° ~ 30 °.
Described middle impeller blade is isosceles trapezoid along the sectional shape perpendicular to described lower impeller blade medial axis.
Described middle impeller blade is parallelogram along the sectional shape perpendicular to described lower impeller blade medial axis.
The plane of inclination of described first skewed slot and the first plane of inclination of described upper joint fit tightly, and the plane of inclination of described second skewed slot and the second plane of inclination of described lower joint fit tightly.
The length of described first skewed slot is equal with the length of described upper joint, and the length of described second skewed slot is equal with the length of described lower joint.
Due to technique scheme, beneficial effect of the present invention is: the present invention by arranging skewed slot on upper impeller blade and lower impeller blade, middle impeller blade is arranged and can insert the upper joint of skewed slot and lower joint, middle impeller blade is coordinated with upper impeller blade and lower impeller blade reduce to coordinate gap, on this basis, further, all apply at the overall inner and outer surface of impeller and coast of paint rete is set, for shutoff gap, play good seal action, prevent from entering into air-flow in fan blade in each passage from gap mutual crossfire, add intake air flow and degree of vacuum, strengthen movable vane wheel air draught effect, improve the complete machine working efficiency of electric fan.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner of the present invention;
Fig. 2 is the sectional view of the impeller blade of the embodiment of the present invention one;
Fig. 3 is the sectional view of the impeller blade of the embodiment of the present invention two.
In figure: the upper impeller blade of 1-, impeller blade in 2-, impeller blade under 3-, 4-exhaust outlet, 5-first skewed slot, 6-second skewed slot, the upper joint of 7-, joint under 8-, 9-first plane of inclination, 10-second plane of inclination, 11-paint film layer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
Embodiment one
See Fig. 1 and Fig. 2, a kind of split type blade wheel structure of high efficiency electric fan of vacuum cleaner, comprise impeller blade 1, lower impeller blade 3 and multiple middle impeller blade 2, the center of described upper impeller blade has exhaust outlet 4, described multiple middle impeller blade 2 is arranged between impeller blade 1 and lower impeller blade 3, and helically arrange centered by the exhaust outlet 4 of above impeller blade, described middle impeller blade 3 is arc thin slice, comprise joint 7 and lower joint 8, the upper joint 7 of described middle impeller blade 2 has the first plane of inclination 9, the lower joint 8 of described middle impeller blade has the second plane of inclination 10, described upper impeller blade has the first skewed slot 5 holding described upper joint, described lower impeller blade has the second skewed slot 6 holding described lower joint, the overall inner and outer surface of described impeller all applies and arranges paint film layer 11, and the thickness of described paint film layer 11 is 0.1-0.5mm.
Described middle impeller blade 2 comprises inner side surface and outer side surface, described first plane of inclination 9 by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
Described second inclined-plane 10 by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
The angle of inclination of described first plane of inclination 9 is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described first skewed slot 5 is 15 ° ~ 30 °.
The angle of inclination on described second inclined-plane 10 is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described second skewed slot 6 is 15 ° ~ 30 °.
See Fig. 2, described middle impeller blade 2 is isosceles trapezoid along the sectional shape perpendicular to described lower impeller blade 3 medial axis.
The plane of inclination of described first skewed slot 5 and the first plane of inclination 9 of described upper joint 7 fit tightly, and the plane of inclination of described second skewed slot 6 and the second plane of inclination 10 of described lower joint 8 fit tightly.
The length of described first skewed slot 5 is equal with the length of described upper joint 7, and the length of described second skewed slot 6 is equal with the length of described lower joint 8.
Embodiment two
A kind of split type blade wheel structure of high efficiency electric fan of vacuum cleaner, comprise impeller blade 1, lower impeller blade 3 and multiple middle impeller blade 2, the center of described upper impeller blade has exhaust outlet 4, described multiple middle impeller blade 2 is arranged between impeller blade 1 and lower impeller blade 3, and helically arrange centered by the exhaust outlet 4 of above impeller blade, described middle impeller blade 3 is arc thin slice, comprise joint 7 and lower joint 8, the upper joint 7 of described middle impeller blade 2 has the first plane of inclination 9, the lower joint 8 of described middle impeller blade has the second plane of inclination 10, described upper impeller blade has the first skewed slot 5 holding described upper joint, described lower impeller blade has the second skewed slot 6 holding described lower joint, the overall inner and outer surface of described impeller all applies and arranges paint film layer 11, and the thickness of described paint film layer 11 is 0.1-0.5mm.
Described middle impeller blade 2 comprises inner side surface and outer side surface, described first plane of inclination 9 by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
Described second inclined-plane 10 by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
The angle of inclination of described first plane of inclination 9 is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described first skewed slot 5 is 15 ° ~ 30 °.
The angle of inclination on described second inclined-plane 10 is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described second skewed slot 6 is 15 ° ~ 30 °.
See Fig. 3, described middle impeller blade 2 is parallelogram along the sectional shape perpendicular to described lower impeller blade 3 medial axis.
The plane of inclination of described first skewed slot 5 and the first plane of inclination 9 of described upper joint 7 fit tightly, and the plane of inclination of described second skewed slot 6 and the second plane of inclination 10 of described lower joint 8 fit tightly.
The length of described first skewed slot 5 is equal with the length of described upper joint 7, and the length of described second skewed slot 6 is equal with the length of described lower joint 8.
Due to technique scheme, beneficial effect of the present invention is: the present invention by arranging skewed slot on upper impeller blade and lower impeller blade, middle impeller blade is arranged and can insert the upper joint of skewed slot and lower joint, middle impeller blade is coordinated with upper impeller blade and lower impeller blade reduce to coordinate gap, on this basis, further, all apply at the overall inner and outer surface of impeller and coast of paint rete is set, for shutoff gap, play good seal action, prevent from entering into air-flow in fan blade in each passage from gap mutual crossfire, add intake air flow and degree of vacuum, strengthen movable vane wheel air draught effect, improve the complete machine working efficiency of electric fan.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (9)
1. the split type blade wheel structure of the high efficiency electric fan of a vacuum cleaner, it is characterized in that, comprise impeller blade, lower impeller blade and multiple middle impeller blade, the center of described upper impeller blade has exhaust outlet, described multiple middle impeller blade is arranged between impeller blade and lower impeller blade, and helically arrange centered by the exhaust outlet of above impeller blade, described middle impeller blade is arc thin slice, comprise joint and lower joint, the upper joint of described middle impeller blade has the first plane of inclination, the lower joint of described middle impeller blade has the second plane of inclination, described upper impeller blade has the first skewed slot holding described upper joint, described lower impeller blade has the second skewed slot holding described lower joint, the overall inner and outer surface of described impeller all applies and arranges paint film layer, and the thickness of described paint film layer is 0.1-0.5mm.
2. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 1, it is characterized in that, described middle impeller blade comprises inner side surface and outer side surface, described first plane of inclination by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
3. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 2, it is characterized in that, described second inclined-plane by described middle impeller blade inner side surface laterally face tilt arrange, or by described middle impeller blade outer side surface to the inside face tilt arrange.
4. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 3, is characterized in that, the angle of inclination of described first plane of inclination is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described first skewed slot is 15 ° ~ 30 °.
5. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 3 or 4, is characterized in that, the angle of inclination on described second inclined-plane is 15 ° ~ 30 °, and the angle of inclination of the plane of inclination of described second skewed slot is 15 ° ~ 30 °.
6. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 5, is characterized in that, described middle impeller blade is isosceles trapezoid along the sectional shape perpendicular to described lower impeller blade medial axis.
7. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 5, is characterized in that, described middle impeller blade is parallelogram along the sectional shape perpendicular to described lower impeller blade medial axis.
8. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 6 or 7, it is characterized in that, the plane of inclination of described first skewed slot and the first plane of inclination of described upper joint fit tightly, and the plane of inclination of described second skewed slot and the second plane of inclination of described lower joint fit tightly.
9. the split type blade wheel structure of the high efficiency electric fan of a kind of vacuum cleaner according to claim 6 or 7, it is characterized in that, the length of described first skewed slot is equal with the length of described upper joint, and the length of described second skewed slot is equal with the length of described lower joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510373007.2A CN105003463A (en) | 2015-06-29 | 2015-06-29 | Split type impeller structure of high-efficiency electric blower fan for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510373007.2A CN105003463A (en) | 2015-06-29 | 2015-06-29 | Split type impeller structure of high-efficiency electric blower fan for dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN105003463A true CN105003463A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510373007.2A Pending CN105003463A (en) | 2015-06-29 | 2015-06-29 | Split type impeller structure of high-efficiency electric blower fan for dust collector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119006A (en) * | 1997-07-08 | 1999-01-26 | Hitachi Ltd | Vacuum cleaner |
| JPH1122694A (en) * | 1997-06-30 | 1999-01-26 | Hitachi Ltd | Centrifugal fan, and electric blower and vacuum cleaner using the same |
| US6419450B1 (en) * | 2001-05-21 | 2002-07-16 | Grundfos Pumps Manufacturing Corporation | Variable width pump impeller |
| CN202883469U (en) * | 2012-07-20 | 2013-04-17 | 宁波德昌电机制造有限公司 | Movable impeller of electric fan used for cleaner |
-
2015
- 2015-06-29 CN CN201510373007.2A patent/CN105003463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122694A (en) * | 1997-06-30 | 1999-01-26 | Hitachi Ltd | Centrifugal fan, and electric blower and vacuum cleaner using the same |
| JPH1119006A (en) * | 1997-07-08 | 1999-01-26 | Hitachi Ltd | Vacuum cleaner |
| US6419450B1 (en) * | 2001-05-21 | 2002-07-16 | Grundfos Pumps Manufacturing Corporation | Variable width pump impeller |
| CN202883469U (en) * | 2012-07-20 | 2013-04-17 | 宁波德昌电机制造有限公司 | Movable impeller of electric fan used for cleaner |
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Application publication date: 20151028 |