CN105003461A - Sealing structure of fan impeller blades for dust collector - Google Patents
Sealing structure of fan impeller blades for dust collector Download PDFInfo
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- CN105003461A CN105003461A CN201510379135.8A CN201510379135A CN105003461A CN 105003461 A CN105003461 A CN 105003461A CN 201510379135 A CN201510379135 A CN 201510379135A CN 105003461 A CN105003461 A CN 105003461A
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- impeller blade
- inclination
- plane
- skewed slot
- impeller
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Abstract
The invention relates to a dust collector part, in particular to a sealing structure of fan impeller blades for a dust collector. The sealing structure comprises an upper impeller blade, a lower impeller blade and multiple middle impeller blades, wherein the upper impeller blade has an air outlet in the center; the multiple middle impeller blades are arranged between the upper impeller blade and the lower impeller blade, and are spirally arranged with the air outlet of the upper impeller blade as center; the middle impeller blades are arc sheets, and comprise upper connecting parts and lower connecting parts; the upper connecting parts of the middle impeller blades have first inclined surfaces; the lower connecting parts of the middle impeller blades have second inclined surfaces; the upper impeller blade has a first inclined groove for accommodating the upper connecting parts; the lower impeller blade has a second inclined groove for accommodating the lower connecting parts; and the surfaces of the first inclined groove and the second inclined groove are both provided with layers of sealants. The sealing structure achieves an excellent sealing effect, increases the flow of suction air and the vacuum degree, enhances an air sucking effect of movable impellers, and improves the whole working efficiency of a fan.
Description
Technical field
The present invention relates to a kind of vacuum cleaner parts, specifically a kind of sealing configuration of vacuum cleaner electricity consumption draught fan impeller sheet.
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 sealing configuration of vacuum cleaner electricity consumption draught fan impeller sheet 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, and, between the first skewed slot and upper joint, sealer is set, between the second skewed slot and lower joint, sealer is set, the gap utilizing sealer to block joint may to exist when coordinating with skewed slot, 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 sealing configuration of vacuum cleaner electricity consumption draught fan impeller sheet, 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, described first skewed slot and the second skewed slot surface all have one deck sealer, and the thickness of sealer is 0.3-0.6mm, and described sealer is for impeller blade and the bonding between upper impeller blade and lower impeller blade in realizing.
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, and, between the first skewed slot and upper joint, sealer is set, between the second skewed slot and lower joint, sealer is set, the gap utilizing sealer to block joint may to exist when coordinating with skewed slot, 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 sealing configuration of a kind of vacuum cleaner electricity consumption of the present invention draught fan impeller sheet;
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-sealer.
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 sealing configuration of vacuum cleaner electricity consumption draught fan impeller sheet, 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, described first skewed slot and the second skewed slot surface all have one deck sealer 11, and the thickness of sealer is 0.3-0.6mm, and described sealer 11 is for impeller blade and the bonding between upper impeller blade and lower impeller blade in realizing.
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 sealing configuration of vacuum cleaner electricity consumption draught fan impeller sheet, 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, described first skewed slot and the second skewed slot surface all have one deck sealer 11, and the thickness of sealer is 0.3-0.6mm, and described sealer 11 is for impeller blade and the bonding between upper impeller blade and lower impeller blade in realizing.
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, and, between the first skewed slot and upper joint, sealer is set, between the second skewed slot and lower joint, sealer is set, the gap utilizing sealer to block joint may to exist when coordinating with skewed slot, 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 sealing configuration of a vacuum cleaner electricity consumption draught fan impeller sheet, 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, described first skewed slot and the second skewed slot surface all have one deck sealer, and the thickness of sealer is 0.3-0.6mm, and described sealer is for impeller blade and the bonding between upper impeller blade and lower impeller blade in realizing.
2. the sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet according to claim 3 or 4, it is characterized in that, the angle of inclination on described second inclined-plane is 15 ° ~ 30 °, the angle of inclination of the plane of inclination of described second skewed slot is 15 ° ~ 30 °.
6. the sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 sealing configuration of a kind of vacuum cleaner electricity consumption draught fan impeller sheet 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 |
|---|---|---|---|
| CN201510379135.8A CN105003461A (en) | 2015-06-29 | 2015-06-29 | Sealing structure of fan impeller blades for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510379135.8A CN105003461A (en) | 2015-06-29 | 2015-06-29 | Sealing structure of fan impeller blades for dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105003461A true CN105003461A (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510379135.8A Pending CN105003461A (en) | 2015-06-29 | 2015-06-29 | Sealing structure of fan impeller blades for dust collector |
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| Country | Link |
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| CN (1) | CN105003461A (en) |
Citations (5)
| 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 |
| CN2528985Y (en) * | 2001-12-13 | 2003-01-01 | 江阴市农业药械厂 | Enclosed impeller for high-speed centrifugal fan |
| CN1920311A (en) * | 2005-08-24 | 2007-02-28 | 通用电气公司 | Methods and apparatus for assembling gas turbine engines |
-
2015
- 2015-06-29 CN CN201510379135.8A patent/CN105003461A/en active Pending
Patent Citations (5)
| 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 |
| CN2528985Y (en) * | 2001-12-13 | 2003-01-01 | 江阴市农业药械厂 | Enclosed impeller for high-speed centrifugal fan |
| CN1920311A (en) * | 2005-08-24 | 2007-02-28 | 通用电气公司 | Methods and apparatus for assembling gas turbine engines |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20151028 |