CN100582494C - Fan - Google Patents
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- CN100582494C CN100582494C CN200710085778A CN200710085778A CN100582494C CN 100582494 C CN100582494 C CN 100582494C CN 200710085778 A CN200710085778 A CN 200710085778A CN 200710085778 A CN200710085778 A CN 200710085778A CN 100582494 C CN100582494 C CN 100582494C
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- fan
- clipping device
- wheel hub
- clipping
- rotor
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Abstract
The invention discloses a fan, which comprises an impeller, a motor, a plurality of first snap-fit pieces and a plurality of second snap-fit pieces. The impeller comprises a hub with a plurality of fan blades at the periphery of the hub, and the motor comprises a rotor with a shell body coupled with the hub. A first snap-fit piece is arranged on the top of the hub and a second snap-fit piece is arranged on the top of the shell body. When the impeller is used in conjunction with the motor, the second snap-fit piece is configured correspondingly to the first snap-fit piece, and the first snap-fit piece is clamped inside the second snap-fit piece.
Description
Technical field
The present invention relates to a kind of fan, particularly relate to a kind of fan that need not hot melt joint and tool radiating effect.
Background technique
Fan applies to the heat radiation of system or electronic equipment, and the running of fan is the rotation by the motor impeller, and therefore, the intensity that combines between motor and the impeller and the mode of combination can directly influence the reliability of fan.
Fig. 1 is the sectional view of existing fan.Existing fan 1 comprises impeller 11 and motor 12, and impeller 11 comprises that wheel hub 111 and a plurality of flabellum 112 are located on the periphery of wheel hub 111.Motor 12 has a housing 121, and when motor 12 was assembled with impeller 11, the protuberance 111a of wheel hub 111 inner faces wore the corresponding hole that is provided with on the housing 121, and carried out the hot melt joint by tool.
Yet the existing hot melt that utilizes engages the mode that preparation process makes impeller 11 combine with motor 12, needs to finish by heating plant, and it expends more time and expense cost.In addition, in case after the thermal fusion welding preparation process is finished,,, therefore, need abandon impeller 11 and housing 121 in the lump, thus, certainly will cause the increase on the expense cost because the housing 121 of motor is not easily separated with impeller 11 if flabellum 112 damages when needing to change.
Therefore, how to provide a kind of fan, can simplify the assembling mode of impeller and motor, real is one of important problem.
Summary of the invention
The object of the present invention is to provide a kind of fan, it has fixing and snap-in structure, therefore can simplify preparation process and make things convenient for heavy industry.
Another object of the present invention is to provide a kind of fan, its assembling mode of simplifying impeller and motor is with the reduction fabricating cost, and makes fan have radiating effect.
In order to reach above-mentioned or other purposes, the present invention proposes a kind of fan, comprising: an impeller, have a wheel hub and a plurality of flabellum, and those flabellums are located on the periphery of this wheel hub; One motor comprises a rotor, and this rotor has a housing, and this rotor couples mutually with this wheel hub; A plurality of first clipping devices are disposed at the end face of this wheel hub; And a plurality of second clipping devices, be disposed at the end face of this rotor, when wherein this impeller combines with this motor, this second clipping device correspondence is disposed at this first clipping device, and supply this first clipping device to be sticked in this second clipping device, and wherein this first clipping device comprises an a junction and a trip, this trip extends from this joint, and those second clipping devices comprise an engagement groove and a perforation, and it is the end face that is disposed at this rotor with a constant spacing each other.
The present invention also proposes a kind of fan, it comprises an impeller, a motor, a plurality of first clipping device and a plurality of second clipping device, impeller has the periphery that wheel hub and a plurality of flabellum are located on this wheel hub, motor comprises a rotor, this rotor has a housing and couples mutually with this wheel hub, and first clipping device is disposed at the end face of wheel hub, second clipping device is disposed at the end face of housing, when impeller combines with motor, the second clipping device correspondence is disposed at first clipping device, and provides first clipping device to be sticked in second clipping device.
According to the described fan of preferred embodiment of the present invention, wherein first clipping device comprises an a junction and a trip, and trip is to extend from joint.
According to the described fan of preferred embodiment of the present invention, wherein each second clipping device comprises an engagement groove and a perforation, and its adjacent one another are and configured separate is in the housing end face of motor.
According to the described fan of preferred embodiment of the present invention, when impeller combined with motor, the sense of rotation of rotor was different with the sense of rotation of impeller, so that first clipping device is sticked in second clipping device, and first clipping device is arranged in perforation, and trip is sticked in the engagement groove.
According to the described fan of preferred embodiment of the present invention, wherein the size of first clipping device is same as the size of snap-in structure in fact.
According to the described fan of preferred embodiment of the present invention, the structure that is formed in one of first clipping device and wheel hub wherein.The material of first clipping device is an elastic material or plastic cement.
According to the described fan of preferred embodiment of the present invention, the material of its middle shell is a metal material.
According to the described fan of preferred embodiment of the present invention, wherein wheel hub has a plurality of perforations and is disposed at end face, and the corresponding configuration with first clipping device of perforation, and wherein perforation is shaped as circle, ellipse, rectangle or arbitrary shape.
According to the described fan of preferred embodiment of the present invention, it comprises that more at least one supporting structure is arranged at the inner top surface of wheel hub, make impeller and and motor between have a spacing.
According to the described fan of preferred embodiment of the present invention, when rotor rotated, the hot air in the rotor can be bored a hole through spacing certainly, and dissipated to the hull outside of rotor via the perforation of wheel hub.The shape of supporting structure comprises strip, circle, ellipse, rectangle or arbitrary shape.The structure that supporting structure system and wheel hub are one of the forming.The material of supporting structure is an elastic material or plastic cement.
According to the described fan of preferred embodiment of the present invention, the housing of its rotor is one cylindric.
In sum, fan of the present invention is by being arranged at first clipping device and second clipping device on wheel hub and the rotor housing, makes wheel hub and motor can finish the assembling that engages of wheel hub and housing with rotation mode.Fan of the present invention need not hot melt and engages preparation process, and its assembling mode that can simplify impeller and motor is to reduce expense cost.After the fan assembling is finished, have a gap between wheel hub and motor casing, it can be used as the approach of motor heat radiation, to promote the reliability of fan.
Description of drawings
Fig. 1 is a kind of sectional view of existing fan;
Fig. 2 is the schematic perspective view according to a kind of fan of preferred embodiment of the present invention; And
Fig. 3 is first clipping device of the present invention and the sectional view after second clipping device engages and the internal heat dissipating approach schematic representation of fan of the present invention.
The element numbers explanation:
Fan 1,2 supporting structures 26
Motor 12 trips 231
Wheel hub 111,211 joints 232
Flabellum 112,212 perforation 241
Housing 121,221 engagement grooves 242
Protuberance 111a perforation 221a
First clipping device, 23 heat radiation approach A
Embodiment
Fig. 2 is the schematic perspective view of the fan of preferred embodiment of the present invention.Please refer to Fig. 2, fan 2 of the present invention comprises an impeller 21, a motor (not illustrating), more than 23 members such as second clipping device 24 of a plurality of first clipping devices at least.Impeller 21 comprises that a wheel hub 211 and a plurality of flabellum 212 are disposed on the periphery of wheel hub 211, and fan 2 is with 21 rotations of motor impeller, and drives flabellum 212 rotations simultaneously.Motor comprises a rotor 22, and rotor 22 comprises a housing 221, and the shape of housing 221 for example is cylindric, but not as limit, the cylinder of any geometrical shape designs all within the scope of the invention.The material of the housing 221 of rotor for example is a metal.
In the present embodiment, a plurality of second clipping devices 24 are disposed at the end face 222 of rotor, and each second clipping device 24 comprises a perforation 241 and one engagement groove 242, and is to be disposed on the end face 222 of rotor with a constant spacing each other.A plurality of first clipping devices 23 are disposed at the end face of wheel hub 211, and the material of first clipping device 23 is an elastic material, for example are but are not limited to plastic cement.The number of first clipping device 23 is unrestricted, can decide according to actual needs, and first clipping device 23 can be symmetry or asymmetric setting each other, first clipping device 23 and wheel hub 211 integrally formed making.In addition, first clipping device 23 comprises an a junction 232 and a trip 231, and joint 232 is the end face extensions from wheel hub 211, and trip 231 extends perpendicular to joint 232 directions, and the section of first clipping device 23 of the present invention is L-shaped.In addition, in the present embodiment, fan 2 has the end face that a plurality of perforation 211a are disposed at wheel hub 211, and the trip 231 corresponding settings of perforation 221a and first clipping device, and the shape of perforation 221a for example is circular, rectangle or arbitrary shape.
Please continue to consult Fig. 2, fan 2 of the present invention more comprises a supporting structure 26, and supporting structure 26 is arranged at the end face of wheel hub 211 and the end face that part exposes wheel hub, and supporting structure 26 is made with wheel hub is integrally formed.Fan 2 of the present invention utilizes this supporting structure 26 to make to have a spacing between impeller and the motor, in the present embodiment, the shape of supporting structure 26 is not limited to the strip that illustrates as Fig. 2, also can be any closed pattern, for example be circular, oval, rectangle or arbitrary shape, so long as can reach fan 2 of the present invention in the running the demand of rotary balance get final product.
The assembling mode of fan of the present invention is as described below, please consults Fig. 2 and Fig. 3 simultaneously, and Fig. 3 illustrates and is first clipping device 23 of Fig. 2 and sectional view after second clipping device 24 engages.When impeller 21 combined with motor, first clipping device 23 on the wheel hub 211 was that correspondence is disposed at second clipping device 24 on the rotor 22 of motor.It should be noted that, in order to make first clipping device 23 when the fan running, can firmly combine and do not produce the situation that comes off with second clipping device 24, in the present embodiment, the size of the perforation 241 of second clipping device is same as the size of first clipping device, 23 joints in fact, when impeller combines with motor, after joint and trip wore perforation 241, the rotor of motor is sealed with the direction rotation that is different from wheel rotation, simultaneously, trip 231 embeds in the engagement groove 242, takes place with the situation of avoiding first clipping device to get loose.
Please continue to consult Fig. 3, when fan 2 of the present invention operates, motor can drive rotor 22 rotations and produce hot air in the containing space of internal rotor, in the present embodiment, when the trip 231 of first clipping device is sticked in the engagement groove 242 of rotor, perforation 241 parts of rotor expose, owing to be separated with a fixing spacing d between supporting structure 26 of the present invention provides between the housing 221 of wheel hub 211 and rotor, therefore, hot air can be via perforation 241 through this spacing d, and dissipate to the fan outside via the perforation 211a on the wheel hub 211, the direction that its hot air flows out is shown in arrow A among Fig. 3, thus, fan 2 of the present invention can fully have the effect of active heat removal when rotated.In addition, what deserves to be explained is that fan 2 of the present invention is after finishing assembling, the perforation 211a on the wheel hub 211 is staggered with perforation 241 and is provided with, and therefore, can avoid foreign matter or dust directly to invade motor, and then promote the reliability of fan of the present invention.
In sum, fan of the present invention has following advantage:
One, because epitrochanterian second clipping device that utilization of the present invention is arranged at first clipping device on the impeller and is arranged at motor makes impeller and motor can utilize the mode of rotation to finish the assembling of wheel hub and housing.Compared with prior art, the present invention need not hot melt and engages preparation process, and it can be simplified the assembling mode of impeller and motor and reduce manufacture cost.
Two, fan of the present invention is after assembling is finished, has a gap between impeller and the motor, it can be used as the heat radiation approach of motor, and the heat radiation approach of impeller and motor is misplaced, can avoid foreign matter and dust invasion motor, therefore, adopt fan of the present invention to have good reliability and heat radiation function.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the appended claim its equivalent modifications of carrying out or change.
Claims (13)
1, a kind of fan comprises:
One impeller has a wheel hub and a plurality of flabellum, and those flabellums are located on the periphery of this wheel hub;
One motor comprises a rotor, and this rotor has a housing, and this rotor couples mutually with this wheel hub;
A plurality of first clipping devices are disposed at the end face of this wheel hub; And
A plurality of second clipping devices are disposed at the end face of this rotor, and when wherein this impeller combined with this motor, this second clipping device correspondence was disposed at this first clipping device, and are sticked in this second clipping device for this first clipping device,
Wherein this first clipping device comprises an a junction and a trip, and this trip extends from this joint, and those second clipping devices comprise an engagement groove and a perforation, and it is the end face that is disposed at this rotor with a constant spacing each other.
2. fan as claimed in claim 1, when wherein this impeller combined with this motor, the sense of rotation of this rotor was different with the sense of rotation of this impeller, so that this first clipping device is sticked in this second clipping device.
3. fan as claimed in claim 2, when wherein this first clipping device correspondence was disposed at this second clipping device, this first clipping device was arranged in this perforation, and this trip is sticked in this engagement groove.
4. fan as claimed in claim 1, wherein the size of those first clipping devices is same as the size of those second clipping devices in fact.
5. fan as claimed in claim 1, wherein the section of this first clipping device is L-shaped, and the structure that is formed in one of this first clipping device and this wheel hub.
6. fan as claimed in claim 1, wherein the material of this first clipping device is an elastic material.
7. fan as claimed in claim 1, wherein the material of this first clipping device is a plastic cement.
8. fan as claimed in claim 1, wherein the housing of this rotor is one cylindric, and the material of this housing is a metal material.
9. fan as claimed in claim 1, wherein this wheel hub has a plurality of perforations and is disposed at this end face, those perforations be shaped as circle, rectangle or arbitrary shape and those perforations and the corresponding configuration of those first clipping devices.
10. fan as claimed in claim 1, it comprises that more at least one supporting structure is arranged at the end face of this wheel hub, makes between this impeller and this motor to have a spacing, wherein this supporting structure is shaped as a strip or a closed pattern.
11. fan as claimed in claim 10, when wherein this motor rotated, the hot air in this rotor can be bored a hole through this spacing from one of those second clipping devices, and dissipated to this fan outside via a perforation of this wheel hub.
12. fan as claimed in claim 10, the structure that is one of the forming of this supporting structure and this wheel hub wherein, and the material of this supporting structure is an elastic material.
13. fan as claimed in claim 10, the structure that is one of the forming of this supporting structure and this wheel hub wherein, and the material of this supporting structure is a plastic cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710085778A CN100582494C (en) | 2007-03-14 | 2007-03-14 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710085778A CN100582494C (en) | 2007-03-14 | 2007-03-14 | Fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101265920A CN101265920A (en) | 2008-09-17 |
| CN100582494C true CN100582494C (en) | 2010-01-20 |
Family
ID=39988537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710085778A Active CN100582494C (en) | 2007-03-14 | 2007-03-14 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100582494C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011084491A1 (en) * | 2011-10-14 | 2013-04-18 | Robert Bosch Gmbh | fan module |
| 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 |
| CN104976144B (en) * | 2014-04-14 | 2017-10-10 | 佛山市建准电子有限公司 | Fan and its motor protective cover |
| CN104632662A (en) * | 2015-01-20 | 2015-05-20 | 广东威灵电机制造有限公司 | Draught fan and air conditioner provided with same |
| ITUB20152894A1 (en) | 2015-08-05 | 2017-02-05 | Spal Automotive Srl | AXIAL FAN |
| CN114688050A (en) * | 2020-12-25 | 2022-07-01 | 义乌市鼎邦文体用品有限公司 | Combined fan device |
-
2007
- 2007-03-14 CN CN200710085778A patent/CN100582494C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101265920A (en) | 2008-09-17 |
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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 | ||
| GR01 | Patent grant |