CN2791319Y - Foldable fan vane assembly - Google Patents
Foldable fan vane assembly Download PDFInfo
- Publication number
- CN2791319Y CN2791319Y CN 200520020562 CN200520020562U CN2791319Y CN 2791319 Y CN2791319 Y CN 2791319Y CN 200520020562 CN200520020562 CN 200520020562 CN 200520020562 U CN200520020562 U CN 200520020562U CN 2791319 Y CN2791319 Y CN 2791319Y
- Authority
- CN
- China
- Prior art keywords
- blade
- fan
- seat
- vane assembly
- vane
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a foldable fan vane assembly, which belongs to an operation component which is arranged on an air guiding fan. Vanes are evenly distributed, hinged and arranged on a vane seat by using hinge shafts, and the vanes corresponding to the vane seat swing around the hinge shafts along the swinging centerline direction of the vane seat. The vane assembly is especially suitable for being used as air guiding and gas exhausting operation in the chimney. The foldable fan vane assembly has the characteristics of simple structure, low cost, good using effect, reliable operation and few faults.
Description
Technical field
The utility model belongs to the operation part on the air inducing fan, mainly is the fan blade of using on the air inducing fan that disposes in chimney.
Background technique
In the northern China rural area, be the temperature in assurance room in winter and the greenhouse, majority all has been equipped with the air inducing blower fan in the end of its cooking stove smoke evacuation chimney, by improving the firing effect that the unobstructed performance of smoke evacuation promotes cooking stove.But, the fan blade of using on such air inducing blower fan all is the blade structure that adopts punching press, casting or rivet into rigid body, after blower fan quits work, very easily tied between fan blade and the inner wall of stack by frost, fan blade is stuck, can't start, must climb up the roof by the people and finish clearly and just can make starting fan behind the frost this moment, not only bother, and it is very dangerous when clearing up to ascend a height winter; In addition, rigid body formula fan blade when stopping operating not operation, fan blade occupy and block the discharge flue area of effectively discharging fume in the chimney, reduced the natural smoke extraction effect, and moment is bigger during starting fan.
Summary of the invention
The purpose of this utility model is exactly problem and the defective that exists at above-mentioned prior art, design provides a kind of foldable type fan blade assembly, reaches to make things convenient for chimney emission to use, do not freeze, do not influence and do not reduce chimney natural smoke extraction effect, purpose that starting torque is little.
Basic design of the present utility model is, utilizes the uniform hinge of hinge that blade is installed on blade seat, and this blade can be around hinge, swing with respect to blade seat along blade seat gyration center line direction.
The utility model is simple in structure, and is cheap for manufacturing cost, and using effect is good on the induced draught fan in chimney, use is reliable, fault is few.
Description of drawings
Accompanying drawing is a foldable type fan blade assembly structure schematic representation.
Piece number explanation among the figure:
1, blade, 2, hinge, 3, blade seat.
Embodiment
Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.Foldable type fan blade assembly comprises blade seat 3 and blade 1, utilizes the uniform hinges of hinge 2 that blades 1 are installed on blade seat 3 peripheries, and blade 1 can around hinge 2, along blade seat 3 gyration center line directions with respect to blade seat 3 swings.
During use, foldable type fan blade assembly is packed on the blower motor transmission shaft termination, configured in one piece is in chimney inside, fan blade is positioned at the below, and blower motor is rotated in energising, under centrifugal action, blade 1 is the level of state around hinge 2 swings, finishes air inducing smoke evacuation operation in the chimney; After blower motor stopped operating, under action of gravity, blade 1 was sagging shape around hinge 2 swings, increased the distance between blade 1 and the inner wall of stack face, blade 1 can not be freezed with the inner wall of stack face, and blade 1 has reduced smoke evacuation the blocking of area in the chimney helped natural smoke extraction; Because 1 time vertical back of blade entire outer diameter size reduces, and helps the air inducing blower fan and starts once more, promptly starting torque is little.
Claims (1)
- A kind of foldable type fan blade assembly, comprise blade seat (3) and blade (1), it is characterized in that on blade seat (3) periphery, utilizing the uniform hinge of hinge (2) that blade (1) is installed, and blade (1) can be around hinge (2), swing with respect to blade seat (3) along blade seat (3) gyration center line direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520020562 CN2791319Y (en) | 2005-04-07 | 2005-04-07 | Foldable fan vane assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520020562 CN2791319Y (en) | 2005-04-07 | 2005-04-07 | Foldable fan vane assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791319Y true CN2791319Y (en) | 2006-06-28 |
Family
ID=36807390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520020562 Expired - Fee Related CN2791319Y (en) | 2005-04-07 | 2005-04-07 | Foldable fan vane assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791319Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023500A (en) * | 2017-05-04 | 2017-08-08 | 东莞市北扬工业设计有限公司 | The electric portable fan that a kind of rotation driving is stored |
-
2005
- 2005-04-07 CN CN 200520020562 patent/CN2791319Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023500A (en) * | 2017-05-04 | 2017-08-08 | 东莞市北扬工业设计有限公司 | The electric portable fan that a kind of rotation driving is stored |
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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 |