CN2903489Y - Radiating fan - Google Patents
Radiating fan Download PDFInfo
- Publication number
- CN2903489Y CN2903489Y CN 200620115195 CN200620115195U CN2903489Y CN 2903489 Y CN2903489 Y CN 2903489Y CN 200620115195 CN200620115195 CN 200620115195 CN 200620115195 U CN200620115195 U CN 200620115195U CN 2903489 Y CN2903489 Y CN 2903489Y
- Authority
- CN
- China
- Prior art keywords
- radiation fan
- bearing
- stator
- fixed base
- impeller unit
- 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
Links
- 230000005855 radiation Effects 0.000 claims description 44
- 238000003860 storage Methods 0.000 claims description 22
- 239000000314 lubricant Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract 2
- 230000001936 parietal effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A thermal fan comprises a shell, a bearing, an impeller unit and a stator, wherein the shell is equipped with a floor, an episporium which is extended upward along the parietal floor and defined a space with the floor commonly and a holder which is connected with the floor and positioned in the space. The bearing is equipped with a column body fixed on the holder and a pass through hole which is axially penetrated the body with the bottom of the pass through hole being commonly defined an oil reservoir for storing the fluid oil with the holder. The impeller unit is equipped with a shaft lever which can rotationally pass and arrange on the pass through hole, also the stator is surrounded and arranged on the outer wall surface of the bearing, which can be controlled to drive the impeller unit to rotate with the central axis of the shaft lever. At least an air escaping hole which is communicated the outside and the oil reservoir, and limits the leakage of the fluid oil is provided by the bearing of the thermal fan. When assembling the impeller unit and the bearing to be integrated, the air between the bearing and the oil reservoir can be exhausted out via the air escaping hole, thereby achieving the assembling easily and smoothly.
Description
[technical field]
The utility model relates to a kind of radiation fan, particularly relates to a kind of radiation fan that is easy to assemble.
[background technique]
Consult Fig. 1, Fig. 2, existing radiation fan 1 comprises a shell 11, a bearing 12, a control circuit board 13, a stator 14, and an impeller unit 15.
This shell 11 has a diapire 111, and extends upward and define the perisporium 112 in a space jointly with this diapire 111 from these diapire 111 peripheries, and one be connected on this diapire 111 and be arranged in the tubulose fixed base 113 in this space, this bearing 12, control circuit board 13, stator 14, and impeller unit 15 grades all are located in this space.
This bearing 12 has a cylindrical body 121, and the end face of this body 121 of break-through vertically and the perforation 122 of bottom surface, and this perforation 122 comprises a large aperture portion 123 that is connected with this bottom surface, an and small aperture portion 124 that is connected with end face, these body 121 bottom surfaces are connected with these fixed base 113 end faces and this body 121 are fixedly arranged on this fixed base 113, and then make this large aperture portion 123 and the inner space of fixed base 113 define an oil storage tank 16 jointly.
This control circuit board 13 is sheathed on this fixed base 113, and is electrically connected to control this stator 14 starts with this stator 14.
This stator 14 is located on the outer circumferential face of body 121 of this bearing 12, and can be via these control circuit board 13 controlled ground starts.
This impeller unit 15 comprise one be hollow and can cover cap the wheel hub 151, of this stator 14 be arranged in the small aperture portion 124 of this bearing 12 rotationally and the axostylus axostyle 152 that is connected with this wheel hub 151, a plurality of respectively from the flabellum 153 of these wheel hub 151 outside projections, and one be located on the inner peripheral surface of this wheel hub 151 and be positioned at the magnet ring 154 in these stator 14 outsides relatively, and these axostylus axostyle 152 surfaces also are formed with micro-gap 17 with these small aperture portion 124 surfaces.
Can control this stator 14 by this control circuit board 13 and produce the polarity identical with formation repulsion with this magnet ring 154, support rotation and can order about this impeller unit 15 with the axostylus axostyle in the perforation 122 that is hubbed at this bearing 12 152, and when this impeller unit 15 rotates, this oil storage tank 16 store up negative pressure that the lubricant oil that holds produces because of this axostylus axostyle 152 rotates certainly this oil storage tank be distributed in this gap 17 for 16 liters, to reduce this axostylus axostyle 152 surfaces and of the abrasion of these small aperture portion 124 surfaces because of the rotation generation, and the elimination noise that pivoting friction produced, and after impeller unit 15 stops operating because of the disappearance of negative pressure, lubricant oil in this gap 17 stores up once more and is dissolved in this oil storage tank 16, recycles during for next start.
The shortcoming of above-mentioned radiation fan 1 does not also lie in generation when using, but occur in the process of assembling, when desire is arranged in the small aperture portion 124 of this bearing 12 with this axostylus axostyle 152, because this oil storage tank 16 has stored up and has had lubricant oil, and the existence of the inevasible air that is bound in this small aperture portion 124, therefore, can deposit the pressure that air causes and can be subjected to resistance when causing axostylus axostyle 152 to wear because hold, make it the location and can't wear axostylus axostyle 152 apace, even can store up in the oil storage tank 16 that has lubricant oil because the air of appearance being deposited when wearing axostylus axostyle 152 is pressed into, and build-up of pressure is excessive and then the axostylus axostyle 152 that will wear in this small aperture portion 124 ejects once more, and then influence the smooth and easy of assembling operation.
Therefore, above-mentioned radiation fan 1 must be improved, to reduce the problem that takes place in the assembling operation.
[model utility content]
The purpose of this utility model is to be to provide a kind of radiation fan that is easy to assemble.
In order to achieve the above object, the utility model provides a kind of radiation fan, comprises a shell, a bearing, an impeller unit, and a stator,
This shell has a diapire, and extends upward and define the perisporium in a space jointly with this diapire from this diapire periphery, and one be connected on this diapire and be arranged in the fixed base in this space,
This bearing has a column and is fixedly arranged on body, on this fixed base and runs through this body and bottom and this fixed base vertically and define a perforation that holds the oil storage tank of storage lubricant oil jointly, and at least one escape hole that is communicated with extraneous and this oil storage tank, and this escape hole aperture is minimum and can limit lubricant oil through the outside seepage of this escape hole
This impeller unit has an axostylus axostyle that is arranged in rotationally in this perforation, and when this axostylus axostyle wears into this perforation, air in this perforation can make axostylus axostyle can not be difficult for wearing in this perforation because keeping somewhere the air pressure that air the produced retardance in perforation via this escape hole row to extraneous
This track ring is located on this bearing outer wall face, and can drive the central axis rotation of this impeller unit with this axostylus axostyle controlledly.
Described radiation fan is characterized in that: the aperture of this escape hole is less than 0.5mm.
Described radiation fan is characterized in that: when the quantity of escape hole greater than 1 the time, these several escape holes radially are symmetrically distributed.
Described radiation fan is characterized in that: this bearing also has two and radially is located at symmetrically on the outer wall to shore the arcuation rib of this stator.
Described radiation fan is characterized in that: this bearing also has two radially symmetry and the positioning ribs that outwards protrude out from this body outer wall with ground, this isoplanar, body bottom surface.
Described radiation fan is characterized in that: the end face that this two arcuations rib and this two positioning rib are positioned at same side defines the locating notch limit of two radial symmetric jointly.
Described radiation fan is characterized in that: this impeller unit also has a hollow and the wheel hub that is connected with this axostylus axostyle top, several are respectively from the flabellum of the outside projection of this wheel hub, and one is located on this wheel hub inner peripheral surface and is positioned at the magnet ring in this stator outside.
Described radiation fan is characterized in that: this fixed base is to extend to form from this diapire one.
Described radiation fan is characterized in that: this radiation fan also comprises one and is connected with this fixed base inner peripheral surface and is arranged in this oil storage tank in case the oil sealing of leak-stopping oil.
Described radiation fan is characterized in that: this radiation fan also comprises one and is sheathed on the fixed base and with this stator and is electrically connected to control the control circuit board of this stator.
When effect of the present utility model is that the escape hole of this bearing can supply assembling impeller unit and bearing, air in the bearing perforation can be via escape hole row from extremely extraneous, make axostylus axostyle can not be difficult for wearing in this perforation because keeping somewhere the air pressure that air the produced retardance in perforation, and then can finish assembling easily, swimmingly, reduce production costs, increase productive profit.
[description of drawings]
Fig. 1 is a three-dimensional exploded view, and existing radiation fan is described;
Fig. 2 is a sectional view, the radiation fan of aid illustration Fig. 1;
Fig. 3 is a three-dimensional exploded view, and a preferred embodiment of the utility model radiation fan is described;
Fig. 4 is the sectional view that the hatching line IV-IV with Fig. 3 is become, the radiation fan of aid illustration Fig. 3; And
Fig. 5 is a sectional view that is become with the hatching line V-V of Fig. 3, the radiation fan of aid illustration Fig. 3.
[embodiment]
Below by preferred embodiment and accompanying drawing the utility model radiation fan is elaborated.
Consult Fig. 3, Fig. 4 and Fig. 5, the utility model radiation fan 2 comprises a shell 21, a bearing 3, an oil sealing 22, a control circuit board 23, a stator 24, and an impeller unit 25.
This shell 21 has a diapire 211, and extends upward and define the perisporium 212 in a space jointly with this diapire 211 from these diapire 211 peripheries, reach one from the upwardly extending tubulose fixed base 213 of these diapire 211 one, this bearing 3, oil sealing 22, control circuit board 23, stator 24, and impeller unit 25 all is located in this space.
The end face that this bearing 3 has a column and is installed in body 31 on this fixed base 213, this body 31 of break-through vertically and the perforation 32 of bottom surface, this body 31 of at least one break-through vertically and the escape hole that communicates with this perforation 32 33, two are slightly near these body 31 bottom surfaces and the arcuation ribs 34 that radially outwards protrude out from these body 31 outer wall symmetrically, and two radially symmetry and the arcuation positioning rib 35 that outwards protrudes out from these body 31 outer wall with ground, this isoplanar, body 31 bottom surface, in this example and diagram, be the example explanation with two escape holes 33 that radially are symmetrically distributed.
This perforation 32 comprises a large aperture portion 321 that is connected with these body 31 bottom surfaces, an and small aperture portion 322 that is connected with these body 31 end faces, this two escape hole 33 is communicated with extraneous and this large aperture portion 321, these body 31 bottom surfaces are connected with this fixed base 213 and this body 31 are fixedly arranged on this fixed base 213, and make this large aperture portion 321 and the inner space of this fixed base 213 define one jointly by this two escape hole 33 and the extraneous oil storage tank 26 that communicates.
The aperture of this two escape hole 33 is minimum, below 0.5mm, and can supply air ventilation, but can limit lubricant oil via these escape holes 33 from these oil storage tank 26 outside seepages.
This two slightly is used to shore this stator 24 near arcuation ribs 34 of this body 31 bottom surfaces, and this two arcuations rib 34 and this two positioning rib 35 end face of being positioned at same side defines the locating notch limit 36 of two radial symmetric, the fool proof design during as assembling jointly.
This oil sealing 22 is arranged in this oil storage tank 26 to prevent the outside seepage of lubricant oil.
This control circuit board 23 is sheathed on this fixed base 213, and is electrically connected to control this stator 24 starts with this stator 24.
This stator 24 two slightly is located on the outer circumferential face of body 31 of this bearing 3 near arcuation ribs 34 of body 31 bottom surfaces by this with shoring, and can be via these control circuit board 23 controlled ground starts.
This impeller unit 25 comprise one be hollow and can cover cap the wheel hub 251, of this stator 24 be arranged in the small aperture portion 322 of this oil-impregnated bearing 3 rotationally and the axostylus axostyle 252 that is connected with this wheel hub 251, a plurality of respectively from the flabellum 253 of these wheel hub 251 outside projections, and a magnet ring 254 that is located on these wheel hub 251 inner peripheral surfaces and is positioned at relatively these stator 24 outsides, these axostylus axostyle 252 surfaces also are formed with micro-gap 27 with these small aperture portion 322 surfaces.
Can control this stator 24 via this control circuit board 23 and produce the polarity identical with formation repulsion with this magnet ring 254, support rotation and order about this impeller unit 25 with the axostylus axostyle 252 that is hubbed in this bearing 3, and when this impeller unit 25 rotates, this oil storage tank 26 store up negative pressure that the lubricant oil that holds produces because of this axostylus axostyle 252 rotates certainly this oil storage tank be distributed in this gap 27 for 26 liters, lubricated this axostylus axostyle 252 and these small aperture portion 322 surfaces, minimizing is because of rotating the abrasion that produce, and the elimination noise that pivoting friction produced, and after impeller unit 25 stops operating because of the disappearance of negative pressure, lubricant oil in this gap 27 stores up once more and is dissolved in this oil storage tank 26, recycles during for next start.
And when the above-mentioned radiation fan 2 of assembling, when desire is arranged in the small aperture portion 322 of this bearing 3 with this axostylus axostyle 252, setting by escape hole 33, make oil storage tank 26, in the small aperture portion 322 hold the air of depositing and can successfully be discharged outside to via this escape hole 33, can't not wear axostylus axostyle 252 location fast and can not deposit the pressure that air causes because of appearance, and then the smoothness that can promote assembling operation, the cost of production that minimizing has some setbacks and increased because of assembling, simultaneously because the aperture of this escape hole 33 is minimum, only can not cause oil seepage to leak for air ventilation, therefore, also need not worry other problems of deriving of oil seepage polluted product.
As shown in the above description, the utility model radiation fan 2 mainly is the escape hole 33 connection oil storage tanks 26 and the external world with bearing 3, when making assembling axostylus axostyle 252 with bearing 3, air can be arranged from extremely extraneous via escape hole 33 fast, and then make axostylus axostyle 252 can wear location in the bearing 3 apace, finish assembling operation, simultaneously because the aperture of escape hole 33 is minimum, only can not cause oil seepage to leak for air ventilation, therefore, also need not worry other problems of deriving of oil seepage polluted product, really can improve when having radiation fan 1 assembling now, can deposit the pressure that air causes and can't wear axostylus axostyle 152 location fast because hold, even can store up in the oil storage tank 16 that has lubricant oil because the air of appearance being deposited when wearing axostylus axostyle 152 is pressed into, and the excessive axostylus axostyle 152 that will wear once more in this small aperture portion 124 of build-up of pressure ejects once more, and then it is smooth and easy to influence assembling operation, the problem that cost of production increases.
In addition, the utility model radiation fan 2 slightly is used to shore the arcuation rib 34 of this stator 24 near the bottom with two of bearing 3, and two radially the symmetry and with this isoplanar positioning rib 35 in body 31 bottom surfaces, define the locating notch limit 36 of two radial symmetric jointly, and make the fool proof when bearing 3 has assembling design, can also reach the effect of being convenient to assemble, effectively reduce manufacture cost, reach the purpose of this utility model really.
Claims (10)
1. radiation fan, comprise: a shell, one bearing, one impeller unit, an and stator, this shell has a diapire, one extends upward and defines the perisporium in a space jointly with this diapire from this diapire periphery, and one be connected on this diapire and be arranged in the fixed base in this space, this bearing has a column and is fixedly arranged on body on this fixed base, an and perforation that runs through this body vertically, this perforation bottom defines one jointly with this fixed base and holds the oil storage tank that stores up lubricant oil, this impeller unit has an axostylus axostyle that is arranged in rotationally in this perforation, and this stator is to be located on this bearing outer wall face, and can drive of the central axis rotation of this impeller unit with this axostylus axostyle controlledly, it is characterized in that:
The bearing of this radiation fan also has at least one escape hole extraneous and this oil storage tank and restriction oil seepage that is communicated with.
2. radiation fan as claimed in claim 1 is characterized in that: the aperture of this escape hole is less than 0.5 millimeter.
3. radiation fan as claimed in claim 1 or 2 is characterized in that: the bearing upper edge radial symmetric of this radiation fan is distributed with a plurality of these escape holes.
4. radiation fan as claimed in claim 1 is characterized in that: this bearing also has two and radially is located at symmetrically on the outer wall to shore the arcuation rib of this stator.
5. radiation fan as claimed in claim 4 is characterized in that: this bearing also has two radially symmetry and the positioning ribs that outwards protrude out from this body outer wall with ground, this isoplanar, body bottom surface.
6. radiation fan as claimed in claim 5 is characterized in that: the end face that this two arcuations rib and this two positioning rib are positioned at same side defines the locating notch limit of two radial symmetric jointly.
7. radiation fan as claimed in claim 6, it is characterized in that: this impeller unit also has a hollow and the wheel hub that is connected with this axostylus axostyle top, several are respectively from the flabellum of the outside projection of this wheel hub, and one is located on this wheel hub inner peripheral surface and is positioned at the magnet ring in this stator outside.
8. radiation fan as claimed in claim 7 is characterized in that: this fixed base is to extend to form from this diapire one.
9. radiation fan as claimed in claim 8 is characterized in that: this radiation fan also comprises one and is connected with this fixed base inner peripheral surface and is arranged in this oil storage tank in case the oil sealing of leak-stopping oil.
10. radiation fan as claimed in claim 9 is characterized in that: this radiation fan also comprises one and is sheathed on this fixed base and with this stator and is electrically connected to control the control circuit board of this stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620115195 CN2903489Y (en) | 2006-05-19 | 2006-05-19 | Radiating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620115195 CN2903489Y (en) | 2006-05-19 | 2006-05-19 | Radiating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2903489Y true CN2903489Y (en) | 2007-05-23 |
Family
ID=38078900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620115195 Expired - Fee Related CN2903489Y (en) | 2006-05-19 | 2006-05-19 | Radiating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2903489Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425165A (en) * | 2019-08-05 | 2019-11-08 | 江门市达百科机电设备有限公司 | A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking |
-
2006
- 2006-05-19 CN CN 200620115195 patent/CN2903489Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425165A (en) * | 2019-08-05 | 2019-11-08 | 江门市达百科机电设备有限公司 | A kind of mute type radiator fan motor structure for preventing lubricating oil from leaking |
| CN110425165B (en) * | 2019-08-05 | 2024-04-19 | 江门市达百科机电设备有限公司 | Mute type cooling fan motor structure capable of preventing lubricating oil from leaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070523 |