CN101776084B - Cooling fan composite structure and manufacturing method thereof - Google Patents
Cooling fan composite structure and manufacturing method thereof Download PDFInfo
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- CN101776084B CN101776084B CN 200910001561 CN200910001561A CN101776084B CN 101776084 B CN101776084 B CN 101776084B CN 200910001561 CN200910001561 CN 200910001561 CN 200910001561 A CN200910001561 A CN 200910001561A CN 101776084 B CN101776084 B CN 101776084B
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Abstract
The invention discloses a cooling fan composite structure and a manufacturing method thereof. The cooling fan composite structure comprises an iron case, a center shaft and a blade shell; wherein the iron case is provided with a top part and a sleeving part; the sleeving part is protruded toward the center of the inner edge of the top part; an axle hole which is communicated with the top part is formed on the sleeving part; at least one through hole is formed on the top part; one end of the center shaft is inserted into the axle hole of the sleeving part; the blade shell is provided with at least one column body, at least one shaft shoulder part and a plurality of blades; the blade shell is wrapped outside the iron case; the blades are arranged on the outside surface of the blade shell; the sleeving part is wrapped by the shaft shoulder part; one end of the column body passes through the through hole and is connected with the blade shell, while the other end is connected with the shaft shoulder part; the column body ensures that liquid macromolecular materials combine the blade shell of the cooling fan with the iron case by injection moulding; and therefore, the whole structure of the cooling fan has better concentricity and verticality characteristics, which prolongs the service life of the cooling fan and reduces noise.
Description
Technical field
The present invention relates to a kind of cooling fan composite structure, refer to a kind of fan structure concentricity, perpendicularity characteristic of promoting especially, the combination of fans structure that reduces production costs and reduce work hours.
Background technique
At present, the electrical assembly of existing electronic equipment inside when operation will produce thermal source, therefore need heat-sink unit auxiliary to increase the efficient of heat radiation, aforementioned electronic assembly Yin Wendu is too high to cause damage to avoid, aforementioned heat-sink unit mainly is based on radiating fin group or radiator, but it is only limited by the dispel the heat heat dissipation that reaches of aforementioned heat-sink unit auxiliary electron assembly, therefore aforementioned heat-sink unit and at least one fan group are established, and by described fan this heat-sink unit is carried out forced heat radiation to promote integral heat sink usefulness.
See also Fig. 1, as shown in the figure, fan structure for prior art, the fan structure of prior art includes a central shaft 1, one iron-clad 2, one flabellum body 3, described flabellum body 3 central authorities have a beam barrel seat 31, and this central shaft 1 is inserted in aforementioned axis cylinder base 31, described flabellum body 3 covers at aforementioned iron-clad 2 outsides, described iron-clad 2 has a hole 21, and aforementioned axis cylinder base 31 is arranged in the hole 21 that aforementioned iron-clad 2 is offered, make flabellum body 3 and iron-clad 2 concentric with central shaft 1 three, but when aforementioned central shaft 1 is when being inserted in aforementioned axis cylinder base 31 by the external force work in order to urgent mode, beam barrel seat 31 is produced break and then make central shaft 1 crooked, and then cause fan because of vibrations to be reduced in the life-span or produce noise.
See also Fig. 2, fan structure for another prior art, for improving the shortcoming of aforementioned prior art, therefore another prior art is earlier with after central shaft 1 and a copper shaft shoulder portion 4 combinations, the hole 21 that aforementioned axis shoulder 4 and iron-clad 2 are offered is combined in the mode of riveted again, and then flabellum body 3 moulding are covered at aforementioned iron-clad 2 outsides, though this structure can be improved aforesaid shortcoming, but owing to use copper shaft shoulder portion 4, therefore will improve cost of material and produce also will increase man-hour; Therefore prior art has following shortcoming:
1, cost is higher;
2, structure built on the sand;
3, easily produce noise;
4, man-hour is longer;
5, the life-span is shorter.
Summary of the invention
Main purpose of the present invention is to provide a kind of cooling fan composite structure that reduces cost;
Another object of the present invention is to provide a kind of cooling fan composite structure of reducing work hours;
For achieving the above object, the invention provides a kind of cooling fan composite structure, described cooling fan composite structure includes: an iron-clad, a central shaft, an and flabellum housing, described iron-clad has a top, an and fit portion that convexedly stretches in described top inner edge central authorities, this fit portion has an axis hole and is communicated with described top, and described top also has at least one open-work; Described central shaft one end is inserted in the axis hole of aforementioned fit portion; This flabellum housing, have at least one cylinder, at least one shaft shoulder portion, and a plurality of flabellums, described flabellum housing is coated on this iron-clad outside, and described flabellum is located at this flabellum hull outside surface, aforementioned fit portion is coated by shaft shoulder portion, described cylinder one end runs through aforementioned open-work and is connected with aforementioned flabellum housing, and the other end connects described shaft shoulder portion;
In addition, the making method of cooling fan composite structure comprises the following step: an end of a central shaft directly is inserted in the set axis hole of an iron-clad, makes this central shaft and the direct combination of described iron-clad; Provide iron-clad and the central shaft of a mould with above-mentioned combination to insert in the mould, and make the liquid macroimolecule material become a flabellum housing in aforementioned iron-clad exterior configuration in the mode of ejection formation, simultaneously the open-work offered by aforementioned iron-clad of aforementioned liquid macroimolecule material is by the outer aforementioned iron-clad inner edge of side inflow of described iron-clad, the outside that is coated on the fit portion of this iron-clad after described liquid macroimolecule material cooled is solidified is configured to the shaft shoulder portion of this flabellum housing, make aforementioned flabellum housing, iron-clad and central shaft are concentricity; Make described radiation fan overall structure have preferable concentricity and perpendicularity by described structure and making method, so as to promoting radiation fan life-span and reduction noise and reducing and assemble man-hour.
Description of drawings
Fig. 1 is a fan three-dimensional cutaway view of prior art;
Fig. 2 is another fan three-dimensional cutaway view of prior art;
Fig. 3 A is that iron-clad and the central shaft group of embodiments of the invention set up the body view sub-anatomy;
Fig. 3 B is that iron-clad and the central shaft group of embodiments of the invention set up the body assembled sectional view;
Fig. 4 is the cooling fan composite structure three-dimensional cutaway view of embodiments of the invention;
Fig. 5 is the making method flow chart of the cooling fan composite structure of embodiments of the invention;
Fig. 6 is the mould generalized section of embodiments of the invention.
Description of reference numerals:
Iron-clad 5 shaft shoulder portions 72
Top 51 flabellums 73
Fit portion 53 ring ribs 74
Axis hole 531 annular recess 75
Open-work 54 open sides 76
Flabellum housing 7 die cavitys 91
Embodiment
For achieving the above object, the characteristic on of the present invention and structure and the function will be illustrated according to the preferred embodiment of institute's accompanying drawing.
See also Fig. 3 A, 3B and Fig. 4, as shown in the figure, the iron-clad and the central shaft group that are respectively the embodiment of the invention are set up the body view sub-anatomy, iron-clad and central shaft group are set up the three-dimensional cutaway view of body assembled sectional view and cooling fan composite structure, cooling fan composite structure of the present invention includes: an iron-clad 5, one central shaft 6, an and flabellum housing 7, described iron-clad 5 has a top 51, one open sides 52, an and fit portion 53 that convexedly stretches in described top 51 inner edge central authorities, this fit portion 53 has an axis hole 531 and is communicated with described top 51, described top 51 also has at least one open-work 54, described open-work 54 can select rounded or rectangle or triangle wherein any one, and described open-work 54 is around aforementioned fit portion 53, and described open sides 52 is positioned at the lower edge of aforementioned iron-clad 5; Described central shaft 6 one ends are inserted in the axis hole 531 of aforementioned fit portion 53; This flabellum housing 7 has at least one cylinder 71, at least one shaft shoulder portion 72, and a plurality of flabellums 73, described flabellum housing 7 is coated on the outside of this iron-clad 5, and aforementioned a plurality of flabellum 73 is located at the outer surface of this flabellum housing 7, described a plurality of flabellum 73 is stretched out by the outside of aforementioned flabellum housing 7, this flabellum 73 is to tilt to extend, and has a water conservancy diversion inclination angle 731, aforementioned fit portion 53 is coated by shaft shoulder portion 72, described cylinder 71 also has a center section part 711, described center section part 711 is placed in the open-work 54 of aforementioned iron-clad 5, these cylinder 71 1 ends run through aforementioned open-work 54 and are connected with aforementioned flabellum housing 7, and the other end connects described shaft shoulder portion 72; Aforementioned iron-clad 5, central shaft 6 and flabellum housing 7 threes are concentricity.
Please consult Fig. 3 A, 3B, Fig. 4, Fig. 5 and Fig. 6 again, wherein, Fig. 5 and Fig. 6 are respectively making method flow chart and the mould generalized section of the cooling fan composite structure of embodiments of the invention.As shown in Figure 5, the making method of cooling fan composite structure of the present invention comprises the following step:
Step 81 a: end of a central shaft directly is inserted in the set axis hole of an iron-clad, makes this central shaft and the direct combination of described iron-clad;
See also Fig. 3 A, 3B, Fig. 4, in step 81, for central shaft 6 directly being inserted in the axis hole 531 of stating iron-clad 5;
Step 82: provide a mould with iron-clad and the central shaft of combination are inserted in the mould, and make the liquid macroimolecule material become a flabellum housing in the exterior configuration of aforementioned iron-clad in the mode of ejection formation, simultaneously the open-work offered by aforementioned iron-clad of aforementioned liquid macroimolecule material is by the inner edge of the outer aforementioned iron-clad of side inflow of described iron-clad, the outside that is coated on the fit portion of this iron-clad after described liquid macroimolecule material cooled is solidified is configured to the shaft shoulder portion of this flabellum housing, makes aforementioned flabellum housing and iron-clad and central shaft concentricity.
See also Fig. 3 A, 3B, Fig. 4 and Fig. 6, in step 82, in the die cavity 91 in the aforementioned mould 9 of having inserted injection molding in conjunction with the iron-clad 5 finished and central shaft 6, and the liquid macroimolecule materials A is injected in the middle of the die cavity 91 of aforementioned mould 9, the open-work 54 that described liquid macroimolecule materials A is also offered by aforementioned iron-clad 5 is by the inner edge of the aforementioned iron-clad 5 of described iron-clad 5 outer side inflows, after described liquid macroimolecule materials A cooled and solidified, be molded into aforementioned flabellum housing 7 in the outside of described iron-clad 5, and described flabellum housing 7 is coated on the outside of aforementioned iron-clad 5, and also simultaneously coated and form simultaneously a shaft shoulder portion 72 by the liquid macroimolecule materials A in the fit portion 53 of described iron-clad 5 inside, because aforementioned central shaft 6 has common center when establishing with 5 groups of iron-clads, when the liquid macroimolecule materials A is coated on aforementioned iron-clad 5 outsides, the flabellum housing 7 of liquid macroimolecule materials A institute configuration is to be benchmark with described iron-clad 5 and central shaft 6, therefore also has common center with aforementioned central shaft 6 and iron-clad 5, so as to making the fan better noise that do not produce of stability in the running, and because flabellum housing 7 and shaft shoulder portion 72 are formed in one, further can reduce production costs and reduce and produce man-hour.
As shown in Figure 6, liquid macroimolecule materials A of the present invention can be plastic materials.
It should be noted that, the above is only for the preferred embodiment of this case, be not in order to limit the present invention, if the change of doing according to conception of the present invention, in not breaking away from the present invention's spirit scope, for example: for configuration or arrange in addition conversion of kenel, for various variations, modify and use, the equivalent action that produces all should be contained in the interest field of the present invention.
In sum, cooling fan composite structure of the present invention and preparation method thereof can reach its effect and purpose in use really, so the present invention is the technology of a practicability excellence really.
Claims (9)
1. cooling fan composite structure comprises:
One iron-clad has the fit portion that a top and convexedly stretches in described top inner edge central authorities, and described fit portion has an axis hole and is communicated with described top, and described top also has at least one open-work, and described open-work is around described fit portion;
One central shaft, an end are inserted in the axis hole of described fit portion; And
One flabellum housing, have at least one cylinder, at least one shaft shoulder portion and a plurality of flabellum, described flabellum housing is coated on the outside of described iron-clad, and described flabellum is located at the outer surface of described flabellum housing, described fit portion is coated by described shaft shoulder portion, described cylinder one end runs through described open-work and is connected with described flabellum housing, and the other end connects described shaft shoulder portion;
Wherein, described flabellum housing is set in the outside moulding of described iron-clad by the liquid macroimolecule material cooled, the open-work that described liquid macroimolecule material is offered by described iron-clad is by the inner edge of the outer described iron-clad of side inflow of described iron-clad, the outside that is coated on the fit portion of described iron-clad after described liquid macroimolecule material cooled is solidified is configured to the shaft shoulder portion of described flabellum housing, makes described flabellum housing and iron-clad and central shaft concentricity.
2. cooling fan composite structure according to claim 1 is characterized in that, wherein said flabellum is stretched out by the outside of described flabellum housing, and has a water conservancy diversion inclination angle.
3. cooling fan composite structure according to claim 1 is characterized in that, the inner edge bottom of wherein said flabellum housing also has at least one ring rib.
4. cooling fan composite structure according to claim 1 is characterized in that, wherein said shaft shoulder portion also has at least one annular recess.
5. cooling fan composite structure according to claim 1 is characterized in that, wherein said iron-clad has at least one open sides.
6. cooling fan composite structure according to claim 1 is characterized in that, wherein said cylinder also has a center section part, and described center section part is placed in the open-work of described iron-clad.
7. cooling fan composite structure according to claim 1 is characterized in that, that wherein said open-work can be selected is rounded, rectangle or triangle wherein any one.
8. cooling fan composite structure according to claim 1 is characterized in that, wherein said flabellum housing has at least one open sides.
9. cooling fan composite structure according to claim 1 is characterized in that, wherein said open-work is around described fit portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910001561 CN101776084B (en) | 2009-01-12 | 2009-01-12 | Cooling fan composite structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910001561 CN101776084B (en) | 2009-01-12 | 2009-01-12 | Cooling fan composite structure and manufacturing method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110157229 Division CN102226452B (en) | 2009-01-12 | 2009-01-12 | Manufacturing method of cooling fan combination structure |
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| CN101776084A CN101776084A (en) | 2010-07-14 |
| CN101776084B true CN101776084B (en) | 2013-08-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362859B (en) * | 2012-03-27 | 2016-12-14 | 富瑞精密组件（昆山）有限公司 | Blade structure and manufacture method thereof |
| TWI572782B (en) | 2012-03-27 | 2017-03-01 | 鴻準精密工業股份有限公司 | Impeller and manufacturing method thereof |
| CN104047886B (en) * | 2013-03-14 | 2017-05-31 | 奇鋐科技股份有限公司 | The integrated structure with axle center with laser connection metalwork is applied in fan |
| US9636779B2 (en) | 2013-05-28 | 2017-05-02 | Asia Vital Components Co., Ltd. | Connection structure applied to a fan for connecting a metal member with a shaft by means of laser |
| EP4352366A1 (en) * | 2021-06-07 | 2024-04-17 | Koninklijke Philips N.V. | Thin fan with a high ingress protection rating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2557731Y (en) * | 2002-06-18 | 2003-06-25 | 谢新茂 | Improved radiation fan |
| CN2833186Y (en) * | 2005-09-12 | 2006-11-01 | 余名声 | Blower assembly of air conditioning apparatus |
| CN1967973A (en) * | 2005-11-16 | 2007-05-23 | 奇鋐科技股份有限公司 | Improving structure of rotor |
-
2009
- 2009-01-12 CN CN 200910001561 patent/CN101776084B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2557731Y (en) * | 2002-06-18 | 2003-06-25 | 谢新茂 | Improved radiation fan |
| CN2833186Y (en) * | 2005-09-12 | 2006-11-01 | 余名声 | Blower assembly of air conditioning apparatus |
| CN1967973A (en) * | 2005-11-16 | 2007-05-23 | 奇鋐科技股份有限公司 | Improving structure of rotor |
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| Publication number | Publication date |
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| CN101776084A (en) | 2010-07-14 |
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Owner name: SHENZHEN QIXINGHONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QIHONG SCI-TECH CO., LTD. Effective date: 20130628 |
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Free format text: CORRECT: ADDRESS; FROM: TAIWAN, CHINA TO: 518104 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20130628 Address after: 518104, Shenzhen, Guangdong province Baoan District manhole street, Xin Min community Western Industrial Park Applicant after: Shenzhen Qixinghong Technology Co., Ltd. Address before: No. two Taiwan Taipei County Hsinchuang City five power Chinese No. 24 7 floor 3 Applicant before: Qihong Sci-Tech Co., Ltd. |
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