CN2809289Y - Impeller of forward curved multi-blade centrifugal fan - Google Patents
Impeller of forward curved multi-blade centrifugal fan Download PDFInfo
- Publication number
- CN2809289Y CN2809289Y CN 200520073401 CN200520073401U CN2809289Y CN 2809289 Y CN2809289 Y CN 2809289Y CN 200520073401 CN200520073401 CN 200520073401 CN 200520073401 U CN200520073401 U CN 200520073401U CN 2809289 Y CN2809289 Y CN 2809289Y
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- China
- Prior art keywords
- blade
- telophragma
- centrifugal fan
- utility
- model
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Abstract
The utility model discloses a forward multi-wing centrifugal ventilator impeller. The utility model is provided with a front and a back discs, vanes are arranged between the front and the back discs, and each of the vanes is provided with a vane body. Two ends of the vane body is provided with wing sheets which form angular bent type with the vane body, and the front and the back discs are fixedly connected with the bent type wing sheets in the containing mode. The utility model has the advantages of reasonable structure, low noise and high work efficiency, and the vanes are firmly connected with the front and the back discs.
Description
Technical field:
The utility model relates to a kind of draught fan impeller.
Background technique:
Existing forward multiple wing centrifugal fan impeller, blade is to adopt on the dish of front and back jack is set with being connected of front and back dish, the two ends of blade are provided with insert head, before and after blade inserts behind the sheet, with insert head knock rivet-like one by one, be connected with front and back dish riveted type, such Placement, easily loosening, undesirable in conjunction with soundness, cause fan vibration big, noise is big.
Summary of the invention:
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and blade and forward and backward dish are connected firmly, noise is little, the novel forward multiple wing centrifugal fan impeller of high working efficiency.
Technical solution of the present utility model is:
A kind of novel forward multiple wing centrifugal fan impeller, shroud, hub disk are arranged, adorn blade between the forward and backward dish, it is characterized in that: blade has blade body, the blade body two ends are provided with the folding-tortuous type fin that is angle with blade body, and forward and backward dish is fixedlyed connected with folding-tortuous type fin containment type.
Be provided with telophragma between forward and backward dish, indent is set on the telophragma, the position that is connected with telophragma on the blade is provided with the pressing groove that is pressed together in the telophragma indent, and blade is connected with telophragma pressing mode.
The utility model is rational in infrastructure, and blade and forward and backward dish are connected firmly, and noise is little, high working efficiency.
Description of drawings:
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is an embodiment's of the utility model a configuration diagram.
Fig. 2 is the configuration diagram of blade.
Fig. 3 is the left view of Fig. 2.
Embodiment:
A kind of novel forward multiple wing centrifugal fan impeller, shroud 1, hub disk 2 are arranged, dress blade 3 between the forward and backward dish, blade has blade body 4, blade body 4 two ends are provided with the folding-tortuous type fin 5 that is angle with blade body 4, forward and backward dish is containment type with folding-tortuous type fin 5 fixedlys connected, and the subsumption architecture 6 with folding-tortuous type fin 5 parcels promptly is set on forward and backward dish.
Be provided with telophragma 7 between forward and backward dish, on the telophragma 7 indent be set, the position that is connected with telophragma on the blade is provided with the pressing groove 8 that is pressed together in the telophragma indent, and blade is connected with telophragma pressing mode.
Claims (2)
1, a kind of novel forward multiple wing centrifugal fan impeller, shroud, hub disk are arranged, adorn blade between the forward and backward dish, it is characterized in that: blade has blade body, the blade body two ends are provided with the folding-tortuous type fin that is angle with blade body, and forward and backward dish is fixedlyed connected with folding-tortuous type fin containment type.
2, novel forward multiple wing centrifugal fan impeller according to claim 1, it is characterized in that: between forward and backward dish, be provided with telophragma, indent is set on the telophragma, the position that is connected with telophragma on the blade, setting is pressed together on the pressing groove in the telophragma indent, and blade is connected with telophragma pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520073401 CN2809289Y (en) | 2005-07-04 | 2005-07-04 | Impeller of forward curved multi-blade centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520073401 CN2809289Y (en) | 2005-07-04 | 2005-07-04 | Impeller of forward curved multi-blade centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2809289Y true CN2809289Y (en) | 2006-08-23 |
Family
ID=36925473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520073401 Expired - Fee Related CN2809289Y (en) | 2005-07-04 | 2005-07-04 | Impeller of forward curved multi-blade centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2809289Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012958A (en) * | 2020-09-29 | 2020-12-01 | 博耐尔汽车电气系统有限公司 | Fan impeller structure of air blower of automobile air conditioner |
-
2005
- 2005-07-04 CN CN 200520073401 patent/CN2809289Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012958A (en) * | 2020-09-29 | 2020-12-01 | 博耐尔汽车电气系统有限公司 | Fan impeller structure of air blower of automobile air conditioner |
| CN112012958B (en) * | 2020-09-29 | 2022-09-06 | 博耐尔汽车电气系统有限公司 | Fan impeller structure of air blower of automobile air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |