CN204113751U - It is a kind of that centrifugal fan is supporting uses efficient wind collecting unit - Google Patents
It is a kind of that centrifugal fan is supporting uses efficient wind collecting unit Download PDFInfo
- Publication number
- CN204113751U CN204113751U CN201420530108.7U CN201420530108U CN204113751U CN 204113751 U CN204113751 U CN 204113751U CN 201420530108 U CN201420530108 U CN 201420530108U CN 204113751 U CN204113751 U CN 204113751U
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- Prior art keywords
- collecting unit
- wind collecting
- flange
- flow regulating
- cone arc
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Abstract
The utility model discloses that a kind of centrifugal fan is supporting uses efficient wind collecting unit, comprise flange, cone arc wind collecting unit, flow regulating barrels and current plate, flange is located at the gas access end of cone arc wind collecting unit, one end of flow regulating barrels is welded in the outside of cone arc wind collecting unit, and the center line of flow regulating barrels overlaps with the center line of cone arc wind collecting unit, one end of current plate is welded in the outside of cone arc wind collecting unit, and the other end welds with the other end of flow regulating barrels.Efficient cone arc type wind collecting unit is made up of spinning machine spinning, has good stream shape, and flange is formed by both sides flange after steel plate ring system, and be welded with stiffening rib, ensure that strength of flange, the height of efficient wind collecting unit can adjust in flange cylindrical shell, easy for installation, highly versatile.It is steadily reliable that the flow regulating barrels of boring cylinder place can ensure that fluid flows through in wind collecting unit process.The utility model is rational in infrastructure, superior performance, easy for installation, highly versatile.
Description
Technical field
The utility model relates to a kind of matched with blower wind collecting unit, particularly the matched efficient wind collecting unit of a kind of centrifugal fan.
Background technique
At present, wind collecting unit flange joined by general centrifugal fan and wind collecting unit is integral type structure, and it is highly fixing, so its axial dimension cannot regulate.Can produce cumulative error when blower fan manufactures, because it is highly fixing, the gap of wind collecting unit and impeller is just difficult to adjust, and causes the difficult problem of assembling, and as adopted mould compacting when wind collecting unit is produced, the mould amount related to is more, and cost is higher.If do not used mould, then the efficiency of wind collecting unit is just lower, and the effect of wind collecting unit air-flow is obtained accelerate, and ensures that intake velocity evenly, steadily when the pressure loss is minimum.Designing good wind collecting unit can make fan efficiency improve 10% ~ 15%.Therefore, the utility model provides the matched efficient wind collecting unit of a kind of centrifugal fan.
Model utility content
The purpose of this utility model is to provide that a kind of centrifugal fan is supporting uses efficient wind collecting unit, to solve deficiency of the prior art.This centrifugal fan is supporting uses efficient wind collecting unit, rational in infrastructure, superior performance, easy for installation, highly versatile, can ensure that gas can be full of the import of impeller equably, make air current flow loss reduction, guarantees that blower fan is at efficient district energy quietness and reliable operation; And can strength of flange be ensured, the height of efficient wind collecting unit can adjust in flange cylindrical shell, with impeller minimally gap; The flow regulating barrels at cone cylinder place can ensure that wind collecting unit is steadily reliable in the fluid process of circulation.
To achieve these goals, the utility model adopts following technological scheme:
It is a kind of that centrifugal fan is supporting uses efficient wind collecting unit, comprise flange, wind collecting unit, flow regulating barrels and current plate, described wind collecting unit is cone arc wind collecting unit, described flange is located at the gas access end of described cone arc wind collecting unit, one end of described flow regulating barrels is welded in the outside of described cone arc wind collecting unit, and the center line of described flow regulating barrels overlaps with the center line of described cone arc wind collecting unit, one end of described current plate is welded in the outside of described cone arc wind collecting unit, and the other end welds with the other end of described flow regulating barrels.
Preferably, described cone arc wind collecting unit is the wind collecting unit be made up of conical cylinder section and arc tube section made through spinning, and described flange is located at the gas access end of described conical cylinder section.
Cone arc wind collecting unit height of the present utility model can regulate on request within the specific limits.
Preferably, described flow regulating barrels and current plate are all located at the outside of the conical cylinder section of described cone arc wind collecting unit.
Preferably, the efficient wind collecting unit of the supporting use of described centrifugal fan also comprises stiffening rib, and described stiffening rib is welded on described flange.
Preferably, described flange is formed by both sides flange after steel plate ring system, comprise with the parallel flange section of the centerline parallel of described flow regulating barrels and and described parallel flange section two flange connected vertically, be welded with described stiffening rib between two flange of described flange, to ensure its intensity.
Further, the inner side of the parallel flange section of described flange is connected with the gas access end of described conical cylinder section.
Cone arc wind collecting unit of the present utility model is the cone arc wind collecting unit adopting spinning machine spinning to make, and flange is by both sides flange after steel plate ring system, and flange one end face bores connecting hole, and ensures its intensity circumferentially welding stiffening rib.The height of the efficient wind collecting unit of cone arc be welded thereon can be adjusted in the fabrication process within the specific limits according to concrete requirement for height, minimum to ensure the gap of wind collecting unit and impeller.Welding rectifier cylinder and current plate outside the conical cylinder section of wind collecting unit, increase wind collecting unit by rigidity during airflow influence and stability.
Compared with prior art, the utility model has following beneficial effect:
The utility model has the advantage of rational in infrastructure, superior performance, easy for installation, highly versatile.
Centrifugal fan of the present utility model is supporting uses efficient wind collecting unit, wind collecting unit is cone arc type, this efficient wind collecting unit is formed by the spinning machine system of revolving, there is smooth streamlined curved surface, ensure that gas can be full of the import of impeller equably, make air current flow loss reduction, guarantee that blower fan can quiet and reliable operation in efficient district.Flange is formed by both sides flange after steel plate ring system, and is welded with stiffening rib, ensure that strength of flange, and the height of efficient wind collecting unit can adjust in flange cylindrical shell, with impeller minimally gap.The flow regulating barrels at cone cylinder place can ensure that wind collecting unit is steadily reliable in the fluid process of circulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the efficient wind collecting unit of the supporting use of centrifugal fan of the present utility model.
In figure, 1, flange, 2, wind collecting unit, 3, current plate, 4, flow regulating barrels, 5, stiffening rib.
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Centrifugal fan is as shown in Figure 1 supporting uses efficient wind collecting unit, comprise flange 1, cone arc wind collecting unit 2, flow regulating barrels 4 and current plate 3, described flange 1 is located at the gas access end of described cone arc wind collecting unit 2, one end of described flow regulating barrels 4 is welded in the outside of described cone arc wind collecting unit 2, and the center line of described flow regulating barrels 4 overlaps with the center line of described cone arc wind collecting unit 2, one end of described current plate 3 is welded in the outside of described cone arc wind collecting unit 2, and the other end welds with the other end of described flow regulating barrels 4.
Preferably, described cone arc wind collecting unit 2 is the wind collecting units be made up of conical cylinder section and arc tube section made through spinning, and described flange 1 is located at the gas access end of described conical cylinder section.
Cone arc wind collecting unit height of the present utility model can regulate on request within the specific limits.
Preferably, described flow regulating barrels 4 and current plate 3 are all located at the outside of the conical cylinder section of described cone arc wind collecting unit 2.
Preferably, the efficient wind collecting unit of the supporting use of described centrifugal fan also comprises stiffening rib 5, and described stiffening rib 5 is welded on described flange 1.
Preferably, described flange 1 is formed by both sides flange after steel plate ring system, comprise with the parallel flange section of the centerline parallel of described flow regulating barrels 4 and and described parallel flange section two flange connected vertically, described stiffening rib 5 is welded with, to ensure its intensity between two flange of described flange 1.
Further, the inner side of the parallel flange section of described flange is connected with the gas access end of described conical cylinder section.
Cone arc wind collecting unit of the present utility model is the cone arc wind collecting unit adopting spinning machine spinning to make, and flange is by both sides flange after steel plate ring system, and flange one end face bores connecting hole, and ensures its intensity circumferentially welding stiffening rib.The height of the efficient wind collecting unit of cone arc be welded thereon can be adjusted in the fabrication process within the specific limits according to concrete requirement for height, minimum to ensure the gap of wind collecting unit and impeller.Welding rectifier cylinder and current plate outside the conical cylinder section of wind collecting unit, increase wind collecting unit by rigidity during airflow influence and stability.
The utility model has the advantage of rational in infrastructure, superior performance, easy for installation, highly versatile.
Centrifugal fan of the present utility model is supporting uses efficient wind collecting unit, wind collecting unit is cone arc type, this efficient wind collecting unit is formed by the spinning machine system of revolving, there is smooth streamlined curved surface, ensure that gas can be full of the import of impeller equably, make air current flow loss reduction, guarantee that blower fan can quiet and reliable operation in efficient district.Flange is formed by both sides flange after steel plate ring system, and is welded with stiffening rib, ensure that strength of flange, and the height of efficient wind collecting unit can adjust in flange cylindrical shell, with impeller minimally gap.The flow regulating barrels at cone cylinder place can ensure that wind collecting unit is steadily reliable in the fluid process of circulation.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (6)
1. a centrifugal fan is supporting uses efficient wind collecting unit, comprise flange and wind collecting unit, it is characterized in that, also comprise flow regulating barrels and current plate, described wind collecting unit is cone arc wind collecting unit, described flange is located at the gas access end of described cone arc wind collecting unit, one end of described flow regulating barrels is welded in the outside of described cone arc wind collecting unit, and the center line of described flow regulating barrels overlaps with the center line of described cone arc wind collecting unit, one end of described current plate is welded in the outside of described cone arc wind collecting unit, and the other end welds with the other end of described flow regulating barrels.
2. centrifugal fan is supporting as claimed in claim 1 uses efficient wind collecting unit, and it is characterized in that, described cone arc wind collecting unit is the wind collecting unit be made up of conical cylinder section and arc tube section made through spinning, and described flange is located at the gas access end of described conical cylinder section.
3. centrifugal fan is supporting as claimed in claim 2 uses efficient wind collecting unit, and it is characterized in that, described flow regulating barrels and current plate are all located at the outside of the conical cylinder section of described cone arc wind collecting unit.
4. the centrifugal fan as described in as arbitrary in claim 1-3 is supporting uses efficient wind collecting unit, and it is characterized in that, the efficient wind collecting unit of the supporting use of described centrifugal fan also comprises stiffening rib, and described stiffening rib is welded on described flange.
5. centrifugal fan is supporting as claimed in claim 4 uses efficient wind collecting unit, it is characterized in that, described flange is formed by both sides flange after steel plate ring system, comprise with the parallel flange section of the centerline parallel of described flow regulating barrels and and described parallel flange section two flange connected vertically, be welded with described stiffening rib between two flange of described flange.
6. centrifugal fan is supporting as claimed in claim 5 uses efficient wind collecting unit, and it is characterized in that, the inner side of the parallel flange section of described flange is connected with the gas access end of described conical cylinder section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530108.7U CN204113751U (en) | 2014-09-16 | 2014-09-16 | It is a kind of that centrifugal fan is supporting uses efficient wind collecting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530108.7U CN204113751U (en) | 2014-09-16 | 2014-09-16 | It is a kind of that centrifugal fan is supporting uses efficient wind collecting unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113751U true CN204113751U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530108.7U Expired - Fee Related CN204113751U (en) | 2014-09-16 | 2014-09-16 | It is a kind of that centrifugal fan is supporting uses efficient wind collecting unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204113751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552911A (en) * | 2019-10-12 | 2019-12-10 | 浙江科贸智能机电股份有限公司 | air inlet of centrifugal ventilator |
-
2014
- 2014-09-16 CN CN201420530108.7U patent/CN204113751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552911A (en) * | 2019-10-12 | 2019-12-10 | 浙江科贸智能机电股份有限公司 | air inlet of centrifugal ventilator |
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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: 20150121 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |