CN204921466U - High rotational speed impeller - Google Patents
High rotational speed impeller Download PDFInfo
- Publication number
- CN204921466U CN204921466U CN201520642708.7U CN201520642708U CN204921466U CN 204921466 U CN204921466 U CN 204921466U CN 201520642708 U CN201520642708 U CN 201520642708U CN 204921466 U CN204921466 U CN 204921466U
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- CN
- China
- Prior art keywords
- rotating speed
- mounting hole
- speed impeller
- high rotating
- central shaft
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- Withdrawn - After Issue
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Abstract
The application discloses high rotational speed impeller is formed by the die cast, a plurality of fins of extending including the hub of the disk form of center pin, the extension from the center pin along direction of radius, from this hub, a plurality of fins are arranged with alternative adjacency relation with short blade including the linear leaf that has the aerodynamic curved surface and are formed, linear leaf and short blade are certainly the bottom edge extension of hub, the center pin is formed with the mounting hole along the axis direction, the inward flange that the mounting hole is located bottom one side is formed with 45 chamfers, the outward flange that the center pin is located top one side is formed with an arcwall face. The utility model discloses an impeller can be brought up to the rotational speed that has 1W now more than the 6W, and work efficiency is high.
Description
Technical field
The application relates to a kind of high rotating speed impeller, can be applied to the technical field such as automobile, aviation.
Background technique
In prior art, loading the pressure-increasing machine of the motor of automobile etc., driving the wheel rotation of coaxial upper suction side by utilizing the waste gas from motor to make the vane rotary of exhaust side, pressurized air is supplied to motor thus the power of raising motor.
In order to improve compressed-air actuated compressibility, usual impeller is made the blade shape of multiple for difform long and short two kind blade alternately complexity of adjacent configuration mostly, but along with the development of technology and the demand of combustion efficiency higher, require that impeller more speed is rotated.
Model utility content
The purpose of this utility model is to provide a kind of high rotating speed impeller, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technological scheme:
The embodiment of the present application discloses a kind of high rotating speed impeller, formed by die cast, comprise central shaft, the wheel hub of the disk shape expanded from central shaft along radial direction, from multiple fins that this wheel hub extends, described multiple fin comprises the linear leaf with aerodynamics curved surface and short blade and forms with alternately syntople arrangement, described linear leaf and short blade extend from the bottom margin of described wheel hub, described central shaft is formed with mounting hole in the axial direction, the inward flange of described mounting hole site in side, bottom is formed with 45 ° of chamferings, the outward edge that described central shaft is positioned at side, top is formed with an arc shaped surface.
Preferably, in above-mentioned high rotating speed impeller, the diameter that described wheel hub is positioned at bottom end is 250mm, the diameter that described central shaft is positioned at one end, top is 47.844mm, the length of described central shaft is 118mm, and the height of described linear leaf is 97.45mm, and the height of described short blade is 68.262mm.
Preferably, in above-mentioned high rotating speed impeller, the aspect ratio of described linear leaf and short blade is 1.43.
Preferably, in above-mentioned high rotating speed impeller, the quantity of described linear leaf and short blade is 7.
Preferably, in above-mentioned high rotating speed impeller, described mounting hole comprises first mounting hole with the first diameter and second mounting hole with Second bobbin diameter, and described first mounting hole site is in the top of described second mounting hole, and described first diameter is less than described Second bobbin diameter.
Preferably, in above-mentioned high rotating speed impeller, the chamfering between described fin and wheel hub is greater than 2 and is less than 3.
Preferably, in above-mentioned high rotating speed impeller, the width of described arc shaped surface is 2.28mm, and the height of described arc shaped surface is not more than 3.8mm.
Preferably, in above-mentioned high rotating speed impeller, described high rotating speed impeller is aluminum alloy or magnesium alloy material.
Compared with prior art, the utility model has the advantage of: the rotating speed of existing 1W can be brought up to more than 6W by impeller of the present utility model, and working efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application 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, the accompanying drawing that the following describes is only some embodiments recorded in the application, 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.
Figure 1 shows that the plan view of high rotating speed impeller in the utility model specific embodiment;
Figure 2 shows that the sectional view of high rotating speed impeller in the utility model specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1 and Fig. 2, high rotating speed impeller is formed by die cast, comprise central shaft 1, the wheel hub 2 of the disk shape expanded from central shaft along radial direction, from multiple fins 3 that this wheel hub 2 extends, multiple fin 3 comprises the linear leaf 4 with aerodynamics curved surface and short blade 5 and forms with alternately syntople arrangement, linear leaf 4 and short blade 5 extend from the bottom margin of wheel hub 2, central shaft 1 is formed with mounting hole 6 in the axial direction, the inward flange that mounting hole 6 is positioned at side, bottom is formed with 45 ° of chamferings 7, the outward edge that central shaft is positioned at side, top is formed with an arc shaped surface 8.The width of arc shaped surface is preferably 2.28mm, and the height of arc shaped surface is not more than 3.8mm.
Further, the diameter that wheel hub is positioned at bottom end is 250mm, and the diameter that central shaft is positioned at one end, top is 47.844mm, and the length of central shaft is 118mm.The aspect ratio of linear leaf and short blade is 1.43, and particularly, the height of linear leaf is 97.45mm, and the height of short blade is 68.262mm.
The quantity of linear leaf and short blade is all preferably 7.
Further, mounting hole 6 comprises the top that first mounting hole 9 with the first diameter and second mounting hole 10, first mounting hole 9 with Second bobbin diameter are positioned at the second mounting hole 10, and the first diameter is less than Second bobbin diameter.
Further, the chamfering between fin 3 and wheel hub 2 is greater than 2 and is less than 3.
Preferably, high rotating speed impeller is aluminum alloy or magnesium alloy material.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (8)
1. one kind high rotating speed impeller, it is characterized in that, formed by die cast, comprise central shaft, the wheel hub of the disk shape expanded from central shaft along radial direction, from multiple fins that this wheel hub extends, described multiple fin comprises the linear leaf with aerodynamics curved surface and short blade and forms with alternately syntople arrangement, described linear leaf and short blade extend from the bottom margin of described wheel hub, described central shaft is formed with mounting hole in the axial direction, the inward flange of described mounting hole site in side, bottom is formed with 45 ° of chamferings, the outward edge that described central shaft is positioned at side, top is formed with an arc shaped surface.
2. high rotating speed impeller according to claim 1, it is characterized in that: the diameter that described wheel hub is positioned at bottom end is 250mm, the diameter that described central shaft is positioned at one end, top is 47.844mm, the length of described central shaft is 118mm, the height of described linear leaf is 97.45mm, and the height of described short blade is 68.262mm.
3. high rotating speed impeller according to claim 1, is characterized in that: the aspect ratio of described linear leaf and short blade is 1.43.
4. high rotating speed impeller according to claim 1, is characterized in that: the quantity of described linear leaf and short blade is 7.
5. high rotating speed impeller according to claim 1, it is characterized in that: described mounting hole comprises first mounting hole with the first diameter and second mounting hole with Second bobbin diameter, described first mounting hole site is in the top of described second mounting hole, and described first diameter is less than described Second bobbin diameter.
6. high rotating speed impeller according to claim 1, is characterized in that: the chamfering between described fin and wheel hub is greater than 2 and is less than 3.
7. high rotating speed impeller according to claim 1, is characterized in that: the width of described arc shaped surface is 2.28mm, and the height of described arc shaped surface is not more than 3.8mm.
8. high rotating speed impeller according to claim 1, is characterized in that: described high rotating speed impeller is aluminum alloy or magnesium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642708.7U CN204921466U (en) | 2015-08-25 | 2015-08-25 | High rotational speed impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642708.7U CN204921466U (en) | 2015-08-25 | 2015-08-25 | High rotational speed impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921466U true CN204921466U (en) | 2015-12-30 |
Family
ID=54970600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520642708.7U Withdrawn - After Issue CN204921466U (en) | 2015-08-25 | 2015-08-25 | High rotational speed impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090108A (en) * | 2015-08-25 | 2015-11-25 | 张家港市三利密封合金材料有限公司 | High-rotation-speed impeller |
-
2015
- 2015-08-25 CN CN201520642708.7U patent/CN204921466U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090108A (en) * | 2015-08-25 | 2015-11-25 | 张家港市三利密封合金材料有限公司 | High-rotation-speed impeller |
| CN105090108B (en) * | 2015-08-25 | 2017-08-01 | 张家港市三利密封合金材料有限公司 | High rotating speed impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20170801 |
|
| AV01 | Patent right actively abandoned |