CN201874882U - Fan blade - Google Patents
Fan blade Download PDFInfo
- Publication number
- CN201874882U CN201874882U CN2010205428770U CN201020542877U CN201874882U CN 201874882 U CN201874882 U CN 201874882U CN 2010205428770 U CN2010205428770 U CN 2010205428770U CN 201020542877 U CN201020542877 U CN 201020542877U CN 201874882 U CN201874882 U CN 201874882U
- Authority
- CN
- China
- Prior art keywords
- stiffening rib
- axle center
- wheel hub
- fan blade
- blade
- 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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- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model relates to a fan blade. The fan blade comprises a cylindrical hub (1), an axis structure (2) and blades (4), wherein the outer side of the cylindrical hub (1) is connected with the fan blade blades (4), and the inner side of the cylindrical hub (1) is connected with the axis structure (2) through a hub reinforcing rib (3). The utility model discloses owing to adopt the inboard of cylindrical impeller hub to pass through wheel hub strengthening rib and axle center structural connection and change the axle center structure to reduce the shrink of injection moulding back material and reduce the stress concentration of material, deformation and fracture when preventing the fan blade use reach the purpose of reinforcing fan blade intensity.
Description
Technical field
The utility model is a kind of fan fan blade, belongs to the renovation technique of fan fan blade.
Background technique
At present, along with the raising of Consumer to the comfort level requirement, people more trend towards big air quantity, low noise, low-power and high energy efficiency for the requirement of electric fan, but air quantity is big, mean that the load meeting that fan blade bears increases, fan blade is rotary work under the state of high temperature and high speed for a long time, face of blade is being carried a large amount of blast makes it toward post-tensioning, if the wheel hub structure insufficient strength is big, will inevitably make fan blade distortion or tear in the position of blade root, this wheel hub structure that just needs to connect blade has enough structural strengths to prevent distortion and fracture.Therefore, a good fan blade not only will have preferred curved surface, also wheel hub reasonable in design will be arranged simultaneously.According to routine hub design, the wheel hub stiffening rib is usually perpendicular to leaf hub and axle center structure, injection moulding characteristic according to product, the stress that comes from material itself behind the fan blade moulding can make blade shrink outward, and the position of wheel hub stiffening rib needs inside contraction, two kinds of power of pullling that this just causes leaf hub position to bear simultaneously outwards and inwardly shrink make itself to exist behind the fan blade moulding to be not easy the microgroove seen by naked eyes, quicken fan blade distortion and fracture in use.
The model utility content
The purpose of this utility model is to consider the problems referred to above and a kind of fan fan blade of distortion and fracture when preventing that fan blade from using is provided.
The technical solution of the utility model is: a kind of fan fan blade, include centric leaf hub, axle center structure and blade, and wherein the outside of centric leaf hub is connected with leaf blade, and the inboard of wherein said centric leaf hub is connected with the axle center structure by the wheel hub stiffening rib.
Above-mentioned axle center structure comprise axle center ring, with the axle center stiffening rib of concentric reinforced wall ring, coupling shaft thimble and the reinforced wall ring of axle center ring, wherein the bottom of reinforced wall ring is encircled with the axle center and is connected, the top of reinforced wall ring is connected with the centric leaf hub.
Above-mentioned wheel hub stiffening rib comprises starting point wheel hub stiffening rib and terminal point wheel hub stiffening rib, starting point wheel hub stiffening rib is and the tangent stiffening rib that extends to the axle center structure of blade profile profile starting point a that terminal point wheel hub stiffening rib is and the tangent stiffening rib that extends to the axle center structure of blade profile profile terminal point b.
Above-mentioned wheel hub stiffening rib is and the tangent starting point wheel hub stiffening rib (31) that extends to the axle center structure of blade profile profile starting point a.
Above-mentioned wheel hub stiffening rib (3) is and the tangent terminal point wheel hub stiffening rib that extends to axle center structure (2) of blade profile profile terminal point b.
The utility model is owing to adopt the inboard of centric leaf hub to be connected with the axle center structure by the wheel hub stiffening rib and change the axle center structure, thereby the stress of the contraction of material and minimizing material is concentrated after the minimizing molding and forming, distortion and fracture when preventing that fan blade from using reach the purpose that strengthens fan blade intensity.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the C-C cross-sectional view among Fig. 1.
Fig. 3 is a forward stereogram of the present utility model.
Fig. 4 is the enlarged view at A place among Fig. 3.
Fig. 5 is a reversed isometric view of the present utility model.
Fig. 6 is the enlarged view at B place among Fig. 5.
Embodiment
Embodiment 1:
Structural representation of the present utility model is shown in Fig. 1,2,3,4,5,6, include centric leaf hub 1, axle center structure 2 and blade 4, wherein the outside of centric leaf hub 1 is connected with leaf blade 4, and the inboard of centric leaf hub 1 is connected with axle center structure 2 by wheel hub stiffening rib 3.
In the present embodiment, above-mentioned axle center structure 2 comprises axle center ring 21, encircles the axle center stiffening rib 23 of concentric reinforced wall ring 22, coupling shaft thimble 21 and reinforced wall ring 22 with the axle center, wherein the bottom of reinforced wall ring 22 is connected with axle center ring 21, and the top of reinforced wall ring 22 is connected with centric leaf hub 1.Above-mentioned wheel hub stiffening rib 3 comprises starting point wheel hub stiffening rib 31 and terminal point wheel hub stiffening rib 32, starting point wheel hub stiffening rib 31 is and the tangent stiffening rib that extends to axle center structure 2 of blade profile profile starting point a that terminal point wheel hub stiffening rib 32 is and the tangent stiffening rib that extends to axle center structure 2 of blade profile profile terminal point b.
In the present embodiment, will know more that by the stress simulation analysis appropriate design counter stress of wheel hub structure distributes and intensity effect:
The stress emulation of fan blade under centrifugal force (1350r/min) gravity is held concurrently the effect of bidirectional coupled flow field forces, institute's imposed load is:
Centrifugal force-1350RPM rotating speed;
Gravity;
The solid coupling pressure of bidirectional flow.
The pressurized simulation analysis result of present embodiment wheel hub structure shows, by between the inboard of centric leaf hub and axle center structure, being provided with the wheel hub stiffening rib, stress value is reduced to 14.319MPA from original 19.803MPA, the range of decrease is near 28%, and make the stress of fan blade a bit diffuse to zone far away from root of blade, this is just avoided stress to concentrate the fracture that causes, reaches the purpose that strengthens fan blade intensity.
Embodiment 2:
The present embodiment difference from Example 1 is: above-mentioned wheel hub stiffening rib 3 is and the tangent starting point wheel hub stiffening rib 31 that extends to axle center structure 2 of blade profile profile starting point a.Other structure is identical with embodiment 1.
Embodiment 3:
The present embodiment difference from Example 1 is: above-mentioned wheel hub stiffening rib 3 is and the tangent terminal point wheel hub stiffening rib 32 that extends to axle center structure 2 of blade profile profile terminal point b.Other structure is identical with embodiment 1.
Claims (5)
1. fan fan blade, include centric leaf hub (1), axle center structure (2) and blade (4), wherein the outside of centric leaf hub (1) is connected with leaf blade (4), it is characterized in that the inboard of described centric leaf hub (1) is connected with axle center structure (2) by wheel hub stiffening rib (3).
2. fan fan blade according to claim 1, it is characterized in that above-mentioned axle center structure (2) comprises axle center ring (21), encircles the axle center stiffening rib (23) of concentric reinforced wall ring (22), coupling shaft thimble (21) and reinforced wall ring (22) with the axle center, wherein the bottom of reinforced wall ring (22) is connected with axle center ring (21), and the top of reinforced wall ring (22) is connected with centric leaf hub (1).
3. fan fan blade according to claim 1 and 2, it is characterized in that above-mentioned wheel hub stiffening rib (3) comprises starting point wheel hub stiffening rib (31) and terminal point wheel hub stiffening rib (32), starting point wheel hub stiffening rib (31) is and the tangent stiffening rib that extends to axle center structure (2) of blade profile profile starting point a that terminal point wheel hub stiffening rib (32) is and the tangent stiffening rib that extends to axle center structure (2) of blade profile profile terminal point b.
4. fan fan blade according to claim 1 and 2 is characterized in that above-mentioned wheel hub stiffening rib (3) is and the tangent starting point wheel hub stiffening rib (31) that extends to axle center structure (2) of blade profile profile starting point a.
5. fan fan blade according to claim 1 and 2 is characterized in that above-mentioned wheel hub stiffening rib (3) is and the tangent terminal point wheel hub stiffening rib (32) that extends to axle center structure (2) of blade profile profile terminal point b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205428770U CN201874882U (en) | 2010-09-21 | 2010-09-21 | Fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205428770U CN201874882U (en) | 2010-09-21 | 2010-09-21 | Fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874882U true CN201874882U (en) | 2011-06-22 |
Family
ID=44162800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205428770U Expired - Fee Related CN201874882U (en) | 2010-09-21 | 2010-09-21 | Fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874882U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312858A (en) * | 2011-08-25 | 2012-01-11 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN103062115A (en) * | 2013-02-04 | 2013-04-24 | 张家港朗信电气有限公司 | Fan blade wheel for automobile heat dissipation |
| CN106402023A (en) * | 2016-09-27 | 2017-02-15 | 孙新年 | Bionic inlaid composite blade |
| CN107956716A (en) * | 2017-11-09 | 2018-04-24 | 重庆馨艺科技有限公司 | A kind of electric fan flabellum |
-
2010
- 2010-09-21 CN CN2010205428770U patent/CN201874882U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312858A (en) * | 2011-08-25 | 2012-01-11 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN102312858B (en) * | 2011-08-25 | 2013-03-20 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN103062115A (en) * | 2013-02-04 | 2013-04-24 | 张家港朗信电气有限公司 | Fan blade wheel for automobile heat dissipation |
| CN106402023A (en) * | 2016-09-27 | 2017-02-15 | 孙新年 | Bionic inlaid composite blade |
| CN106402023B (en) * | 2016-09-27 | 2018-10-19 | 孙新年 | A kind of bionical preparation blade |
| CN107956716A (en) * | 2017-11-09 | 2018-04-24 | 重庆馨艺科技有限公司 | A kind of electric fan flabellum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 beautiful road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: Midea Group |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GD MIDEA ENVIRONMENT APPLIANCES MFG Co.,Ltd. Assignor: MIDEA GROUP Co.,Ltd. Contract record no.: 2013440000237 Denomination of utility model: Fan blade Granted publication date: 20110622 License type: Exclusive License Record date: 20130522 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20180921 |