CN212985578U - Fan rotation balance optimizing structure - Google Patents
Fan rotation balance optimizing structure Download PDFInfo
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- CN212985578U CN212985578U CN202021602901.5U CN202021602901U CN212985578U CN 212985578 U CN212985578 U CN 212985578U CN 202021602901 U CN202021602901 U CN 202021602901U CN 212985578 U CN212985578 U CN 212985578U
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- fan
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- insulating layer
- rotation balance
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Abstract
The utility model discloses a fan rotating balance optimizing structure, the fan comprises a bottom plate, a middle pipe arranged on the bottom plate, a motor fixedly sleeved with the middle pipe, and a fan main body rotationally connected with the motor at one end of the motor, a housing for rotationally covering the motor shell is arranged in the middle of the fan main body, the outer diameter of the housing is provided with fan blades, a fan blade shaft for fixing with the motor is arranged in the middle of the housing, the ratio of the outer diameter of the fan blade shaft to the outer diameter of the motor shell is 0.07-0.16, the utility model controls the ratio of the outer diameter of the fan blade shaft to the outer diameter of the motor shell within the interval of 0.07-0.16, the fan can reasonably select the diameter of the fan blade shaft according to the outer diameter of the fan blade motor shell when being designed, the utility model optimizes the rotating balance of the fan blades by the optimal ratio of the outer diameter of the fan blade shaft to the diameter of the motor shell, is beneficial to improving the overall quality of the fan.
Description
Technical Field
The utility model relates to a radiator fan, in particular to fan rotational balance optimizes structure.
Background
With the trend of light weight, thinness and high performance of electronic products, users have higher and higher requirements on notebooks, and thus, the fan in the notebooks has no systematic optimization design for the winding depth and the blade height of the originally designed fan stator set, which causes unnecessary space waste and loss of efficiency, resulting in difficulty in reducing the thickness of the fan and meeting the design requirements of thinness and high performance.
The current fan blade of the heat radiation fan is not optimally designed for the diameter of the fan blade shaft and the motor shell when in design, if the diameter of the fan blade shaft and the diameter of the motor shell are too small, the fan blade can be unbalanced in rotation and easy to damage, and if the diameter of the fan blade shaft and the diameter of the motor shell are too large, the air quantity of the fan is insufficient, the internal space of the fan is wasted, and the reasonable utilization of the space in the fan is difficult to realize.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a fan rotational balance optimizes structure, this fan rotational balance optimizes structure and can effectively improve fan flabellum rotational balance, and the maximize of the realization amount of wind is realized to rational utilization fan inner space.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a fan rotation balance optimizes structure, the fan includes the bottom plate, sets up well pipe on the bottom plate, establishes fixed motor with well pipe box to and be located motor one end and motor swivelling joint's fan main part, the centre of fan main part is provided with the housing that is used for rotatory cladding motor casing, and the housing external diameter is provided with the flabellum, is provided with in the middle of the housing to be used for carrying out the flabellum axle fixed with the motor, the ratio of flabellum axle external diameter and motor casing external diameter is 0.07 ~ 0.16.
As a further improvement of the present invention, the motor housing has an annular cylindrical structure for the bottom surface, and the inner side of the bottom surface of the fan body is formed with a protruding insertion portion inserted into the inner side of the bottom surface of the motor housing.
As a further improvement of the utility model, an axial concave ring structure right opposite to the motor is arranged on the bottom surface of the inner side of the fan main body.
As a further improvement of the utility model, the inboard bottom surface central point of fan main part is formed with the protruding structure of axial, and fan blade axle one end is fixed to be inlayed and is located in this protruding structure of axial on the fan main part.
As a further improvement of the utility model, the axial convex structure on the inboard bottom surface of fan main part is the toper boss.
As a further improvement of the utility model, the other end of the motor is connected with the circuit board, circuit board fixed mounting is on the bottom plate.
As the utility model discloses a further improvement, the bottom plate is the metal material, and the bottom plate has the one deck insulating layer towards the fixed cover of fan inside surface, and circuit board fixed mounting is on this insulating layer surface.
As a further improvement of the present invention, a protruding structure is formed on the insulating layer for supporting the motor toward one side of the bottom plate.
As the utility model discloses a further improvement, the insulating layer is the plastic part on the bottom plate through mould internal molding with well pipe, be formed with tensile tooth portion of taking out in the middle of the bottom plate, this tensile tooth portion of taking out inlays in locating aforementioned insulating layer and well pipe integrated into one piece's plastic part, just the plastic part stretches into the bottom plate and stretches into the lateral wall parallel and level of the inside part terminal surface of tooth portion of taking out and the insulating layer of bottom plate dorsad.
As a further improvement of the utility model, the bearing is fixedly arranged in the middle pipe, and the fan blade shaft is inserted in the bearing.
The utility model has the advantages that: the utility model discloses a ratio to fan blade axle external diameter and motor shell external diameter carries out the management and control, with its control in 0.07 ~ 0.16 interval, the fan can rationally select fan blade axle diameter for use according to flabellum motor shell external diameter when the design, the utility model discloses a optimize flabellum rotational balance to fan blade axle external diameter and motor shell diameter optimum ratio, improve fan efficiency, be favorable to improving the whole quality of fan.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
Example (b): referring to fig. 1, a fan rotation balance optimization structure includes a bottom plate 1, a middle tube 4 disposed on the bottom plate 1, a motor 6 sleeved and fixed with the middle tube 4, and a fan main body 2 located at one end of the motor 6 and rotationally connected to the motor 6, wherein a housing for rotationally covering a motor housing 3 is disposed in the middle of the fan main body 2, fan blades are disposed on the outer diameter of the housing, a fan blade shaft 8 for fixing with the motor 6 is disposed in the middle of the housing, and a ratio of the outer diameter of the fan blade shaft 8 to the outer diameter of the motor housing 3 is 0.07-0.16. The matching relation between the outer diameter A of the fan blade shaft 8 and the outer diameter B of the motor shell 3 enables the motor 6 to keep excellent balance when the fan blades of the fan rotate at high speed, meanwhile, the performance of the motor 6 can be improved, and when the fan rotates at high speed, the shell of the motor 6 keeps a stable state, the motor 6 can rotate more stably, and the rotating speed of the large motor 6 can be improved.
The motor housing 3 is a cylindrical structure with an annular bottom surface, and a convex embedded part 9 inserted into the inner ring of the bottom surface of the motor 6 is formed on the inner side of the bottom surface of the fan main body 2. This kind of structure has realized the stable location of being connected of motor 6 shell and flabellum main part through the mode of moulding plastics in the mould, stable in structure.
An axial concave ring structure 10 opposite to the motor 6 is further arranged on the bottom surface of the inner side of the fan main body 2. The stator is avoided, the thickness of the fan can be effectively reduced, and the ultrathin design is realized.
An axial convex structure 11 is formed at the central part of the bottom surface of the inner side of the fan main body 2, and one end of the fan blade shaft 8 is fixedly embedded in the axial convex structure 11 on the fan main body 2. This structure can strengthen flabellum main part and 8 joint strength of flabellum axle, reinforcing fan flabellum rotational stability.
The axial convex structure 11 on the bottom surface of the inner side of the fan main body 2 is a conical boss.
The other end of the motor 6 is connected with a circuit board which is fixedly arranged on the bottom plate 1.
The base plate 1 is made of metal, the surface, facing the inner side of the fan, of the base plate 1 is fixedly covered with an insulating layer, and the circuit board is fixedly installed on the surface of the insulating layer.
And a convex structure for supporting the motor 6 to the surface of one side of the bottom plate 1 is formed on the insulating layer.
Insulating layer and well pipe 4 are for moulding plastics integrated into one piece on bottom plate 1 through the mould in, be formed with tensile tooth portion of taking out in the middle of bottom plate 1, should stretch tooth portion of taking out inlays in locating aforementioned insulating layer and well 4 integrated into one piece's of pipe plastic part, just the plastic part stretches into the lateral wall parallel and level of the inside part terminal surface of tooth portion of taking out of bottom plate 1 tensile and bottom plate 1 insulating layer dorsad.
And a bearing 5 is also fixedly arranged in the middle pipe, and a fan blade shaft 8 is inserted in the bearing.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a fan rotation balance optimizes structure, its characterized in that, the fan includes the bottom plate, sets up well pipe on the bottom plate, establishes fixed motor with well pipe box to and be located motor one end and motor swivelling joint's fan main part, the centre of fan main part is provided with the housing that is used for rotatory cladding motor casing, and the housing external diameter is provided with the flabellum, is provided with in the middle of the housing to be used for carrying out the flabellum axle fixed with the motor, the ratio of flabellum axle external diameter and motor casing external diameter is 0.07 ~ 0.16.
2. The fan rotation balance optimizing structure of claim 1, wherein: the motor shell is of a cylindrical structure with an annular bottom surface, and a convex embedding part inserted into the inner ring of the bottom surface of the motor shell is formed on the inner side of the bottom surface of the fan main body.
3. The fan rotation balance optimizing structure of claim 1, wherein: and an axial concave ring structure which is opposite to the motor is also arranged on the bottom surface of the inner side of the fan main body.
4. The fan rotation balance optimizing structure of claim 1, wherein: the fan body is characterized in that an axial convex structure is formed in the center of the bottom surface of the inner side of the fan body, and one end of a fan blade shaft is fixedly embedded in the axial convex structure on the fan body.
5. The fan rotation balance optimizing structure of claim 4, wherein: the axial convex structure on the bottom surface of the inner side of the fan main body is a conical boss.
6. The fan rotation balance optimizing structure of claim 1, wherein: the other end of the motor is connected with a circuit board which is fixedly arranged on the bottom plate.
7. The fan rotational balance optimizing structure of claim 6, wherein: the bottom plate is made of metal, the surface of the bottom plate facing the inner side of the fan is fixedly covered with an insulating layer, and the circuit board is fixedly arranged on the surface of the insulating layer.
8. The fan rotational balance optimizing structure of claim 7, wherein: and a protruding structure for supporting the surface of one side of the motor, which faces the bottom plate, is formed on the insulating layer.
9. The fan rotation balance optimizing structure of claim 7 or 8, wherein: insulating layer and well pipe are for moulding plastics integrated into one piece on the bottom plate through the mould in, be formed with tensile tooth portion of taking out in the middle of the bottom plate, should stretch tooth portion of taking out inlays in locating aforementioned insulating layer and well pipe integrated into one piece's plastic part, just the plastic part stretches into the tensile lateral wall parallel and level of taking out the terminal surface of the inside part of tooth portion of bottom plate and bottom plate insulating layer dorsad.
10. The fan rotation balance optimizing structure of claim 1, wherein: and a bearing is fixedly arranged in the middle pipe, and the fan blade shaft is inserted in the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602901.5U CN212985578U (en) | 2020-08-05 | 2020-08-05 | Fan rotation balance optimizing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602901.5U CN212985578U (en) | 2020-08-05 | 2020-08-05 | Fan rotation balance optimizing structure |
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| Publication Number | Publication Date |
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| CN212985578U true CN212985578U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021602901.5U Active CN212985578U (en) | 2020-08-05 | 2020-08-05 | Fan rotation balance optimizing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431792A (en) * | 2021-07-12 | 2021-09-24 | 江苏嘉之瑞电子科技有限公司 | Fan strong magnetic rubber coating framework |
-
2020
- 2020-08-05 CN CN202021602901.5U patent/CN212985578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431792A (en) * | 2021-07-12 | 2021-09-24 | 江苏嘉之瑞电子科技有限公司 | Fan strong magnetic rubber coating framework |
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