CN100582493C - Fan and its rotor - Google Patents
Fan and its rotor Download PDFInfo
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- CN100582493C CN100582493C CN200510078539A CN200510078539A CN100582493C CN 100582493 C CN100582493 C CN 100582493C CN 200510078539 A CN200510078539 A CN 200510078539A CN 200510078539 A CN200510078539 A CN 200510078539A CN 100582493 C CN100582493 C CN 100582493C
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- impeller
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Abstract
The invention relates to a fan and relative rotor. Wherein, said fan has a frame, a stator, and a rotor; the stator is arranged inside the frame; the rotor is inside the frame to match the stator; the rotor has one joint element, a blade wheel and a rotating axle; the joint element has one flange part; the blade wheel is arranged on the outer edge of joint element; the flange part is embedded with the blade wheel; and one end of rotating axle is connected to the joint element.
Description
Technical field
The relevant a kind of motor of the present invention, the structure of particularly relevant a kind of fan and the rotor that adopted thereof.
Background technique
The application of motor is very extensive, such as the lathe of various industrial usefulness, electric drill, electric saw, and the recording playback machine that can touch in the daily life, CD-ROM device, hard disc, suction engine, blower, vacuum cleaner, refrigerator and refrigerating compressor, fan or the like, none is not the characteristic against motor, the ability start.
Wherein, the application of fan also is seen everywhere, except industrial large-scale board, and many daily visible electronic products, for example the power supply unit of computer, air conditioner or the like also all can add fan, so that the function of heat radiation to be provided.
Please refer to Fig. 1, it is in the existing fan, and a schematic representation of rotor structure, rotor 10 comprise an impeller 11, an iron-clad 12, a rotating shaft 13 and a brass 14.Wherein, impeller 11 is made up of a hub portion 111 and plural flabellum 112, and brass 14 is arranged at an end of rotating shaft 13.In the prior art, brass 14 is after riveting with iron-clad 12 earlier, to utilize the prominent point 113 at hub portion 111 back sides involutory with the hole 121 on the iron-clad 12 again, and process hot melt operation or ultrasonic wave engage operation, make impeller 11 to engage with iron-clad 12.Like this, can be combined into a complete rotor 10.
Yet existing rotor 10 structures have following shortcoming:
(1) when using the hot melt operation with joint impeller 11 and iron-clad 12, can cause temperature to raise, interelement easily makes the perpendicularity of rotating shaft 13 or concentricity destroy because of the thermal expansion coefficient difference.
When (2) using the ultrasonic wave operation, destroy because of vibrating the perpendicularity or the concentricity that equally easily cause rotating shaft 13 with joint impeller 11 and iron-clad 12.
(3) owing to, that is to say that the prominent point 113 at hub portion 111 back sides need carry out contraposition with the hole 121 on the iron-clad 12 for the multilayer assembling, therefore, the position that the hole 121 on the iron-clad 12 forms has had a tolerance; Add impeller 11 and engage operation, then produce another tolerance again with contraposition between the iron-clad 12.
The perpendicularity or the concentricity of rotating shaft 13 are damaged, and add the accumulation of tolerance, also easily make the acceptance rate of rotor 10 descend, even can cause rotating shaft 13 crooked deviations and wear and tear, especially when motor under high-revolving situation, the problems referred to above will be more serious.Therefore, how designing a kind of rotor structure, can allow the perpendicularity of rotating shaft 13 or concentricity not be damaged, and keep its accuracy, is the problem that the dealer desires most ardently solution.
Summary of the invention
Therefore, for addressing the above problem, the present invention proposes a kind of fan and rotor thereof, so that the impeller of rotor when being arranged at connected member, can not influence the perpendicularity or the concentricity of rotating shaft.
According to fan of the present invention, it comprises: a fan frame; One stator is arranged in this fan frame; An and rotor, be arranged in this fan frame, and match with this stator, this rotor has a connected member, one impeller, one motor casing and a rotating shaft, this connected member has a lip part and a plurality of texture lines, described texture lines is located on this connected member, one end of this rotating shaft links this connected member, this impeller is the outer periphery that the mode of the injection molding at center is shaped in this connected member with this rotating shaft, and this lip part of this connected member is chimeric with this impeller and this connected member engages with this impeller by described texture lines, and connected member is riveted on this motor casing, thereby this rotating shaft engages with this motor casing, when this rotating shaft was rotated, this impeller was rotated.。
According to rotor of the present invention, comprising: a connected member, have a lip part and a plurality of texture lines, described texture lines is located on this connected member; One rotating shaft, the one end links this connected member; An and impeller, this impeller is shaped in the outer periphery of this connected member in the mode of injection molding, and this impeller is chimeric with this lip part of this connected member and this connected member engages with this impeller by described texture lines, thereby when this rotating shaft was rotated, this impeller was rotated; One motor casing has a hole, and this rotating shaft is passed this hole and is riveted on this motor casing by this connected member.
From the above, because of complying with fan of the present invention and rotor thereof is the mode of utilizing injection molding, and impeller is arranged on the connected member, compared with prior art, fan of the present invention and rotor thereof do not need to utilize the prominent point of impeller and cooperating of motor casing hole as prior art, and process hot melt operation or ultrasonic wave engage the binding that operation is finished impeller and motor casing again.Therefore, in the time of not only can avoiding because of hot melt operation or ultrasonic wave joint, the problem of the perpendicularity of the rotating shaft that causes or the destruction of concentricity, in addition, also because need not carry out the prominent point of impeller and cooperating of motor casing hole, so can reduce the tolerance that the multilayer assembling is caused, and then promote the precision of fan and rotor.Moreover, since have on the connected member lip part with impeller interlocking, therefore the firm position of impeller is shifted even also be difficult in the high speed rotating process.
For above-mentioned and other purposes of the present invention, characteristics and advantage can also be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. is elaborated as follows:
Description of drawings
Fig. 1 is the rotor structure schematic representation of existing fan in the prior art;
Fig. 2 is a schematic representation of the rotor of preferred embodiment of the present invention;
Fig. 3 is another schematic representation according to the rotor of preferred embodiment of the present invention; And
Fig. 4 is the fan schematic representation according to preferred embodiment of the present invention.
Embodiment
Hereinafter with reference to relevant drawings, fan and rotor thereof according to preferred embodiment of the present invention are described.
At first, please refer to Fig. 2 to Fig. 3, with the rotor of explanation preferred embodiment of the present invention.Fig. 2 is a decomposing schematic representation of the rotor of preferred embodiment of the present invention.In the present embodiment, rotor 20 has a connected member 21, an impeller 22 and a rotating shaft 23.
Connected member 21 has a lip part 211.In the present embodiment, connected member 21 can be an axle bush (bushing), and the material of connected member 21 can be metal, for example: copper.As shown in Figure 2, connected member 21 also can have the texture lines 212 of plurality of parallel in rotating shaft 23, it is located on connected member 21, when connected member 21 engages with impeller 22, increase the area of contact of connected member 21 and impeller 22 by texture lines 212, to strengthen the engaging force of connected member 21 and impeller 22.Like this, when impeller 22 during, also be difficult for breaking away from connected member 21 in high speed rotating.
Fig. 3 is a sectional drawing of preferred embodiment rotor of the present invention, and as shown in Figure 3, impeller 22 is arranged at the outer periphery of connected member 21, for example is the mode with injection molding, and impeller 22 is formed at the outer periphery of connected member 21.That is to say, when carrying out injection molding, connected member 21 is inserted in the mould, allow the plastics that flow into mould contact, and form impeller 22 on connected member 21 with connected member 21.
In addition, the lip part 211 of connected member 21 is chimeric with impeller 22.In the present embodiment, impeller 22 has a hub portion 221 and a plurality of flabellum 222, and a plurality of flabellums 222 are located on hub portion 221, the lip part 211 of connected member 21 and 221 interlockings of the hub portion of impeller 22.When rotor 20 was rotated, because lip part 211 and 221 interlockings of hub portion, impeller 22 can firmly engage with connected member 21.Especially when rotor 20 during, more need lip part 211, it can be shifted because of high speed rotating with firm impeller 22 at high speed rotating.
One end of rotating shaft 23 links connected member 21.In the present embodiment, rotating shaft 23 can be a motor shaft, and connected member 21 has a through hole 213, and rotating shaft 23 wears the through hole 213 of connected member 21, and makes connected member 21 be arranged at an end of rotating shaft 23.
As shown in Figure 3, rotor 20 also comprises a motor casing 24, and it engages with rotating shaft 23.In the present embodiment, motor casing 24 also has a hole 241, and rotating shaft 23 is passed hole 241 and is riveted on motor casing 24, so that motor casing 24 is adjacent with connected member 21.
Since the impeller 22 of rotor 20 directly injection molding in connected member 21, therefore motor casing 24 does not need to utilize the prominent point of impeller 22 and cooperating of motor casing 24 holes as prior art, and process hot melt operation or ultrasonic wave engage the binding that operation is finished impeller 22 and motor casing 24 again.Like this, in the time of not only can avoiding because of hot melt operation or ultrasonic wave joint, the perpendicularity of the rotating shaft that causes 23 or the destruction of concentricity, in addition, also because need not carry out the prominent point of impeller 22 and cooperating of motor casing 24 holes, so can reduce the tolerance that the multilayer assembling is caused, and then promote the precision of rotor 20.
Then, please refer to Fig. 2 to Fig. 4, with the fan of explanation preferred embodiment of the present invention.
Fig. 4 is a schematic representation of the fan of preferred embodiment of the present invention, and in the present embodiment, fan 30 has fan frame 31, a stator 32 and a rotor 20.Stator 32 is arranged in the fan frame 31.In the present embodiment, stator 32 has a plurality of coils 321.Rotor 20 is arranged in the fan frame 31, and matches with stator 32, flows in the coil 321 by electric current, relatively rotates to drive rotor 20.
As shown in Figure 2, in the present embodiment, rotor 20 has a connected member 21, an impeller 22 and a rotating shaft 23.Connected member 21 has a lip part 211.In the present embodiment, connected member 21 can be an axle bush (bushing), and the material of connected member 21 can be metal, for example: copper.As shown in Figure 2, connected member 21 also can have a plurality of texture lines 212, and it is located on connected member 21.Texture lines 212 engages with impeller 22, and being provided with of texture lines 212 can be direction oblique, that be parallel to rotating shaft 23, or perpendicular to direction of rotating shaft 23 etc.Increase the area of contact of connected member 21 and impeller 22 by texture lines 212, to strengthen the strength that engages of connected member 21 and impeller 22.Like this, impeller 22 also is difficult for being disengaged part 21 when high speed rotating.
As shown in Figure 3, impeller 22 is arranged at the outer periphery of connected member 21, for example is the mode with injection molding, and impeller 22 is formed at the outer periphery of connected member 21.That is to say, when carrying out injection molding, connected member 21 is inserted in the mould, allow the plastics that flow into mould contact, and form impeller 22 on connected member 21 with connected member 21.
In addition, the lip part 211 of connected member 21 is chimeric with impeller 22.In the present embodiment, impeller 22 has a hub portion 221 and a plurality of flabellum 222, and a plurality of flabellums 222 are located on hub portion 221, the lip part 211 of connected member 21 and 221 interlockings of the hub portion of impeller 22.When rotor 20 was rotated, because lip part 211 and 221 interlockings of hub portion, impeller 22 can firmly engage with connected member 21.Especially rotor 20 more needs lip part 211 with firm impeller 22 when high speed rotating, and it can be shifted because of high speed rotating.
One end of rotating shaft 23 links connected member 21.In the present embodiment, rotating shaft 23 can be a motor shaft, and connected member 21 has a through hole 213, and rotating shaft 23 wears the through hole 213 of connected member 21, and makes connected member 21 be arranged at an end of rotating shaft 23.
As shown in Figure 3, rotor 20 also comprises a motor casing 24, and it engages with rotating shaft 23.In the present embodiment, motor casing 24 also has a hole 241, and rotating shaft 23 is passed hole 241 and is riveted on motor casing 24 by connected member 21, so that motor casing 24 is adjacent with connected member 21.
In sum, fan of the present invention and rotor thereof utilize the mode of injection molding, and make impeller and the mutual good combination of connected member.
Compared with prior art, fan of the present invention and rotor thereof do not need to utilize the prominent point of impeller and cooperating of motor casing hole as prior art, and process hot melt operation or ultrasonic wave engage the binding that operation is finished impeller and motor casing again.Therefore, in the time of not only can avoiding because of hot melt operation or ultrasonic wave joint, the problem of the perpendicularity of the rotating shaft that causes or the destruction of concentricity.In addition, also because need not carry out the prominent point of impeller and cooperating of motor casing hole, thus can reduce the accumulation of the tolerance that is caused when multilayer is assembled, and then promote the precision of fan and rotor.Moreover, since have on the connected member lip part with impeller interlocking, therefore the firm position of impeller is shifted even also be difficult in the high speed rotating process.
Though the present invention discloses as above with a preferred embodiment; yet it is not in order to limit the present invention; any person skilled in the art person; without departing from the spirit and scope of the present invention; when the change that can make various equivalences or replacement, so protection scope of the present invention is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (12)
1. rotor comprises:
One connected member has a lip part and a plurality of texture lines, and described texture lines is located on this connected member;
One rotating shaft, the one end links this connected member; And
One impeller, this impeller is shaped in the outer periphery of this connected member in the mode of injection molding, and this impeller is chimeric with this lip part of this connected member and this connected member engages with this impeller by described texture lines, thereby when this rotating shaft was rotated, this impeller was rotated;
One motor casing has a hole, and this rotating shaft is passed this hole and is riveted on this motor casing by this connected member.
2, rotor as claimed in claim 1 is characterized in that this impeller comprises a hub portion, and a plurality of flabellum, and described flabellum is located on this hub portion, and this lip part of this connected member and this hub portion are chimeric.
3, rotor as claimed in claim 1 is characterized in that this impeller has a hub portion, and a plurality of flabellum, and described flabellum is located on this hub portion, and this texture lines of this connected member engages with this hub portion.
4, rotor as claimed in claim 1 is characterized in that this connected member has a through hole, and this rotating shaft wears this through hole of this connected member.
5, rotor as claimed in claim 1, the material that it is characterized in that this connected member is a metal.
6, rotor as claimed in claim 1 is characterized in that this rotating shaft is a motor shaft.
7, a kind of fan, it comprises:
One fan frame;
One stator is arranged in this fan frame; And
One rotor, be arranged in this fan frame, and match with this stator, this rotor has a connected member, one impeller, one motor casing and a rotating shaft, this connected member has a lip part and a plurality of texture lines, described texture lines is located on this connected member, one end of this rotating shaft links this connected member, this impeller is the outer periphery that the mode of the injection molding at center is shaped in this connected member with this rotating shaft, and this lip part of this connected member is chimeric with this impeller and this connected member engages with this impeller by described texture lines, and connected member is riveted on this motor casing, thereby this rotating shaft engages with this motor casing, when this rotating shaft was rotated, this impeller was rotated.
8, fan as claimed in claim 7 is characterized in that this impeller comprises a hub portion, and a plurality of flabellum, and described flabellum is located on this hub portion.
9, fan as claimed in claim 7 is characterized in that this connected member has a through hole, and this rotating shaft wears this through hole of this connected member.
10, fan as claimed in claim 7, the material that it is characterized in that this connected member is a metal.
11, fan as claimed in claim 7 is characterized in that this rotating shaft is a motor shaft.
12, fan as claimed in claim 7 is characterized in that this motor casing has a hole, and this rotating shaft is passed this hole and is riveted on this motor casing, so that this motor casing is adjacent with this connected member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510078539A CN100582493C (en) | 2005-06-10 | 2005-06-10 | Fan and its rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510078539A CN100582493C (en) | 2005-06-10 | 2005-06-10 | Fan and its rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1877134A CN1877134A (en) | 2006-12-13 |
| CN100582493C true CN100582493C (en) | 2010-01-20 |
Family
ID=37509658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510078539A Active CN100582493C (en) | 2005-06-10 | 2005-06-10 | Fan and its rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100582493C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691667B (en) * | 2011-03-25 | 2015-03-04 | 台达电子工业股份有限公司 | Fan structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399070A (en) * | 1992-07-22 | 1995-03-21 | Valeo Thermique Moteur | Fan hub |
| US6196802B1 (en) * | 1997-10-29 | 2001-03-06 | Minebea Co., Ltd. | Axial flow fan |
| JP3389267B2 (en) * | 1991-09-13 | 2003-03-24 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Small fan with electronically commutated fan motor |
| CN2634154Y (en) * | 2003-06-26 | 2004-08-18 | 奇鋐科技股份有限公司 | Hub of fan and shaft core connector |
-
2005
- 2005-06-10 CN CN200510078539A patent/CN100582493C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3389267B2 (en) * | 1991-09-13 | 2003-03-24 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Small fan with electronically commutated fan motor |
| US5399070A (en) * | 1992-07-22 | 1995-03-21 | Valeo Thermique Moteur | Fan hub |
| US6196802B1 (en) * | 1997-10-29 | 2001-03-06 | Minebea Co., Ltd. | Axial flow fan |
| CN2634154Y (en) * | 2003-06-26 | 2004-08-18 | 奇鋐科技股份有限公司 | Hub of fan and shaft core connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1877134A (en) | 2006-12-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongda Electronic Components (Wujiang) Co., Ltd. Assignor: Delta Optoelectronics Inc. Contract record no.: 2011990001004 Denomination of invention: Radiating fan and rotor thereof Granted publication date: 20100120 License type: Exclusive License Open date: 20061213 Record date: 20111027 |