CN202900765U - Spherical shaft end cover device for centrifugal impellers - Google Patents
Spherical shaft end cover device for centrifugal impellers Download PDFInfo
- Publication number
- CN202900765U CN202900765U CN 201220574198 CN201220574198U CN202900765U CN 202900765 U CN202900765 U CN 202900765U CN 201220574198 CN201220574198 CN 201220574198 CN 201220574198 U CN201220574198 U CN 201220574198U CN 202900765 U CN202900765 U CN 202900765U
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- CN
- China
- Prior art keywords
- impeller
- spherical
- end cover
- shaft end
- radian
- 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
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Abstract
The utility model discloses a spherical shaft end cover device for centrifugal impellers. The spherical shaft end cover device for centrifugal impellers comprises a shaft end cover mounted at the end of a fan impeller and a fan case bottom plate. The shaft end cover comprises a spherical end. The fan case bottom plate has dent radian. The spherical radian of the spherical end is tangent with the dent radian of the fan case bottom plate. A spindle of the fan impeller contacts with air medium directly, increase of axial thrust of the impeller is avoided, the service life of a bearing is shortened, the impeller operates smoothly with low noise, and operating efficiency is improved.
Description
Technical field
The utility model relates to a kind of centrifugal impeller spherical axis end cap device, belongs to the industrial fan technical field.
Background technique
The most important device of industrial fan is the efficient of impeller and runs well, the impeller of blower fan is installed on the impeller spindle, main shaft passes the impeller reel, needs High Rotation Speed during owing to its work, so the lubricity of the cleaning of its working environment and axle is the place that it need to be considered emphatically.The cleaning of working environment need to be controlled in production management, and the lubricity of axle also can be regulated by lubricating auxiliary agent.And then, according to aerodynamic principle, can be further improved to fan performance, the ingress of air medium that makes exactly main shaft try one's best few.Such as Fig. 1; it is the assembling schematic representation of impeller shaft and impeller shaft end protective gear in the prior art; disposed a dull and stereotyped a at impeller end-protecting device top, dull and stereotyped a can not separate main shaft and air or other gas mediums fully, and dull and stereotyped a is sitting at the impeller center; and perpendicular to the impact direction of air-flow; so that the blower fan rotation has some setbacks, noise is large, and efficient is low; and increased the end thrust of impeller, reduced the working life of bearing.
Summary of the invention
The utility model provides a kind of centrifugal impeller spherical axis end cap device, has avoided impeller spindle to contact with the direct of air dielectric, has avoided increasing the end thrust of impeller, reduced the working life of bearing, so that impeller work is smooth, noise is low, and has improved working efficiency.
The utility model is to realize by following technological scheme:
A kind of centrifugal impeller spherical axis end cap device, comprise the hubcap and the fan casing base plate that are installed in the draught fan impeller termination, described hubcap comprises a spherical end, described fan casing base plate has the depression radian, and it is tangent that the sphere radian of described spherical end and described fan casing base plate have the depression radian.
Described hubcap also has stiffening rib.
The beneficial effects of the utility model are:
1, structure of the present utility model is avoided air or other gas mediums contact impeller shaft body fully.
2, structure of the present utility model has avoided increasing the end thrust of impeller, has reduced the working life of bearing, so that impeller work is smooth, noise is low, and has improved working efficiency.
Description of drawings
Fig. 1 is the assembling schematic representation of impeller shaft and impeller shaft end protective gear in the prior art
Fig. 2 is the assembling schematic representation of the utility model and impeller shaft end protective gear and impeller shaft
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Such as Fig. 2, be the assembling schematic representation of the utility model and impeller shaft end protective gear and impeller shaft, be a kind of centrifugal impeller spherical axis end cap device, comprise the hubcap 2 and the fan casing base plate 1 that are installed in the draught fan impeller termination.As shown in the figure, hubcap 2 comprises a spherical end, and fan casing base plate 1 has the depression radian, and it is tangent that the sphere radian of spherical end and fan casing base plate have the depression radian.And hubcap also has stiffening rib 3.As can be seen from Figure 2; fan impeller main shaft 4 is because the protection of hubcap 2; direct ingress of air medium not; can not be corroded because having corrosive gas; in addition; stiffening rib 3 also carries out the protection of body to fan impeller main shaft 4, forms a general protection, improves the working life of fan impeller main shaft.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. centrifugal impeller spherical axis end cap device, comprise the hubcap and the fan casing base plate that are installed in the draught fan impeller termination, it is characterized in that described hubcap comprises a spherical end, described fan casing base plate has the depression radian, and it is tangent that the sphere radian of described spherical end and described fan casing base plate have the depression radian.
2. centrifugal impeller spherical axis end cap device as claimed in claim 1 is characterized in that described hubcap also has stiffening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574198 CN202900765U (en) | 2012-11-03 | 2012-11-03 | Spherical shaft end cover device for centrifugal impellers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574198 CN202900765U (en) | 2012-11-03 | 2012-11-03 | Spherical shaft end cover device for centrifugal impellers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900765U true CN202900765U (en) | 2013-04-24 |
Family
ID=48121442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574198 Expired - Fee Related CN202900765U (en) | 2012-11-03 | 2012-11-03 | Spherical shaft end cover device for centrifugal impellers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900765U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956740A (en) * | 2017-05-27 | 2018-04-24 | 莱克电气股份有限公司 | A kind of impeller assembly and air purifier for air purifier |
| EP3835595A1 (en) * | 2019-12-10 | 2021-06-16 | Regal Beloit America, Inc. | Hub inlet surface for an electric motor assembly, electric motor assembly and assembly method |
| USD938011S1 (en) | 2019-12-10 | 2021-12-07 | Regal Beloit America, Inc. | Fan blade |
| USD938009S1 (en) | 2019-12-10 | 2021-12-07 | Regal Beloit America, Inc. | Fan hub |
| USD938010S1 (en) | 2019-12-10 | 2021-12-07 | Regal Beloit America, Inc. | Fan hub |
| USD952830S1 (en) | 2019-12-10 | 2022-05-24 | Regal Beloit America, Inc. | Fan shroud |
| US11555508B2 (en) | 2019-12-10 | 2023-01-17 | Regal Beloit America, Inc. | Fan shroud for an electric motor assembly |
| US11859634B2 (en) | 2019-12-10 | 2024-01-02 | Regal Beloit America, Inc. | Fan hub configuration for an electric motor assembly |
-
2012
- 2012-11-03 CN CN 201220574198 patent/CN202900765U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956740A (en) * | 2017-05-27 | 2018-04-24 | 莱克电气股份有限公司 | A kind of impeller assembly and air purifier for air purifier |
| EP3835595A1 (en) * | 2019-12-10 | 2021-06-16 | Regal Beloit America, Inc. | Hub inlet surface for an electric motor assembly, electric motor assembly and assembly method |
| USD938011S1 (en) | 2019-12-10 | 2021-12-07 | Regal Beloit America, Inc. | Fan blade |
| USD938009S1 (en) | 2019-12-10 | 2021-12-07 | Regal Beloit America, Inc. | Fan hub |
| USD938010S1 (en) | 2019-12-10 | 2021-12-07 | Regal Beloit America, Inc. | Fan hub |
| USD952830S1 (en) | 2019-12-10 | 2022-05-24 | Regal Beloit America, Inc. | Fan shroud |
| US11371517B2 (en) | 2019-12-10 | 2022-06-28 | Regal Beloit America, Inc. | Hub inlet surface for an electric motor assembly |
| US11555508B2 (en) | 2019-12-10 | 2023-01-17 | Regal Beloit America, Inc. | Fan shroud for an electric motor assembly |
| USD1002834S1 (en) | 2019-12-10 | 2023-10-24 | Regal Beloit America, Inc. | Fan hub |
| US11859634B2 (en) | 2019-12-10 | 2024-01-02 | Regal Beloit America, Inc. | Fan hub configuration for an electric motor assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20211103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |