CN216842282U - Novel fan rotor structure - Google Patents
Novel fan rotor structure Download PDFInfo
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- CN216842282U CN216842282U CN202121333241.XU CN202121333241U CN216842282U CN 216842282 U CN216842282 U CN 216842282U CN 202121333241 U CN202121333241 U CN 202121333241U CN 216842282 U CN216842282 U CN 216842282U
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Abstract
The utility model discloses a novel fan rotor structure, which comprises a rotor assembly, wherein the rotor assembly is connected with a shell assembly through a bearing, the rotor assembly comprises a rotating shaft assembly, a rotor sleeve, fan blades and a magnetic stripe, wherein the fan blades are die-cast on the rotor sleeve, the side surfaces of the rotor sleeve and the die-cast fan blades are provided with a circle of annular bulges, and the upper part and the lower part of the annular bulges are two parallel planes for increasing the rotation prevention function and realizing more stable rotor structure; the rotating shaft assembly comprises a shaft and a supporting sleeve, the shaft and the supporting sleeve are in interference fit, an annular boss is arranged on the upper portion of the shaft, the upper portion and the lower portion of the annular boss are parallel planes, the lower portion of the annular boss is in contact with the top surface of a bearing, the coaxiality of the rotor and the bearing is guaranteed to be higher, and the upper portion of the annular boss and the fan blades are molded and pressed together to prevent the shaft and the fan blades from being separated. This product overall structure makes rotor structure more stable, and intensity is higher, and the reliability is higher.
Description
Technical Field
The utility model relates to a fan rotor technical field, concretely relates to novel fan rotor structure.
Background
With the rapid development of electronic technology, the application of fan products is more and more extensive, and the structural design of the fan products is very important. At present, rotor sleeves and shafts in the rotor of a domestic small fan are mostly of optical straight structures, although the structure is simple, the joints of the rotor sleeves and the shafts are weak with fan blades, particularly, the optical straight structures are easy to fall off and break due to the characteristics of large vibration, large outer diameter and large rotation, and therefore the using performance and the service life of the fan are influenced, and the safety is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a fan structure rotor structure with high structural reliability and long service life.
In order to achieve the above object, the utility model adopts the following technical scheme: the anti-rotation rotor assembly comprises a rotor assembly, wherein the rotor assembly is connected with a shell assembly through a bearing, the rotor assembly comprises a rotating shaft assembly, a rotor sleeve, fan blades and a magnetic stripe, the fan blades are die-cast on the rotor sleeve, a circle of annular bulge is arranged on the periphery of the rotor sleeve die-cast with the fan blades, the upper part and the lower part of the annular bulge are parallel planes, the anti-rotation function is added, and the rotor structure is more stable;
the rotating shaft assembly comprises a shaft and a supporting sleeve, the shaft and the supporting sleeve are in interference fit, an annular boss is arranged on the upper portion of the shaft, the upper portion and the lower portion of the annular boss are parallel planes, the lower portion of the annular boss is in contact with the top surface of a bearing, the coaxiality of the rotor and the bearing is guaranteed to be higher, the upper portion of the annular boss and the fan blades are molded and pressed together, the shaft and the fan blades are prevented from being separated, and the shaft is higher in strength and more reliable.
The annular boss and the shaft are of an integrally formed structure.
Support the cover and adopt the similar gear structure, support cover circumference and be equipped with a plurality of tooth's grooves, the tooth's groove increase with the mould pressure area of flabellum, can play prevent changeing, the anticreep effect, improve the reliability.
The support sleeve and the shaft are subjected to hot assembly and circumferential laser welding.
Use the utility model discloses a beneficial effect is:
drawings
Fig. 1 is a schematic structural view of a rotor assembly.
Fig. 2 is a schematic structural view of the rotating shaft assembly.
Fig. 3 is a schematic structural view of the support sleeve.
The reference numerals include:
1 is a fan blade, 2 is a rotating shaft component, 2-1 is a supporting sleeve, 2-1-1 is a tooth groove, 2-2 is a shaft, 2-2-1 is an annular boss, 3 is a rotor sleeve, 4 is a magnetic strip, and 5 is an annular bulge.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
The utility model discloses a fan structure rotor structure with high structural reliability and long service life, which comprises a rotor assembly, wherein the rotor assembly is connected with a shell assembly through a bearing, the rotor assembly comprises a rotating shaft assembly 2, a rotor sleeve 3, a fan blade 1 and a magnetic stripe 4, wherein the fan blade 1 is die-cast on the rotor sleeve 3, a circle of annular bulge 5 is arranged on the periphery of the rotor sleeve 3 and the fan blade 1, the upper part and the lower part of the annular bulge 5 are two parallel planes for increasing the rotation prevention function and realizing more stable rotor structure;
the rotating shaft assembly 2 comprises a shaft 2-2 and a supporting sleeve 2-1, the shaft 2-2 is in interference fit with the supporting sleeve 2-1, an annular boss 2-2-1 is arranged on the upper portion of the shaft 2-2, the upper portion and the lower portion of the annular boss 2-2-1 are two parallel planes, the lower portion of the annular boss 2-2-1 is in contact with the top surface of the bearing, the coaxiality of the rotor and the bearing is guaranteed to be higher, the upper portion of the annular boss 2-2-1 and the fan blade 1 are pressed together in a plastic mode, the shaft 2-2 and the fan blade 1 are prevented from being separated, and the strength of the shaft is higher and the reliability of the shaft is higher.
The annular boss 2-2-1 and the shaft 2-2 are of an integrally formed structure.
The supporting sleeve 2-1 adopts a gear-like structure, the supporting sleeve 2-1 is circumferentially provided with a plurality of tooth grooves 2-1-1, and the plastic compression area between the tooth grooves 2-1-1 and the fan blade 1 is increased, so that the anti-rotation and anti-falling-off effects can be achieved, and the reliability is improved.
The support sleeve 2-1 and the shaft 2-2 are subjected to hot assembly and circumferential laser welding.
When the anti-rotation rotor is actually used, a circle of annular protrusion anti-separation structure is additionally arranged on the periphery of the rotor sleeve, two symmetrical planes are milled on the protrusions, and the anti-rotation structure has the additional function of preventing rotation, so that the structure of the rotor is more stable; the traditional rotor sleeve structure is not provided with an outer ring for preventing falling off and rotation, and compared with the product, the transmission structure is not stable enough. An annular boss is added at the matching position of the fan shaft and the bearing, the shaft is integrally processed, the matching surface can be directly guaranteed through processing, the coaxiality of the rotor and the bearing is guaranteed to be higher, part of the annular boss is molded into the fan blade, the shaft and the fan blade are prevented from being separated, the circular boss is added, the strength of the shaft is higher, and the reliability is improved; traditional axle construction adopts top and rotor bushing to carry out the pressure equipment, does not have the boss with bearing complex, can't guarantee rotor and bearing axiality through processing, does not have the intensity height of this product axle simultaneously in the intensity of axle. Fan pivot subassembly constitutes by supporting cover and axle, supports the cover and belongs to interference fit with the axle, adopts hot assembly and carries out circumference laser welding, supports the cover and adopts the type gear structure, and a plurality of tooth's grooves, it moulds the back with the flabellum, supports the cover and can play and prevent changeing, anticreep effect, improves the reliability.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a novel fan rotor structure which characterized in that: it includes the rotor subassembly, and the rotor subassembly passes through the bearing to be connected with the casing subassembly, and the rotor subassembly includes pivot subassembly, rotor cover, flabellum, magnetic stripe, and wherein the flabellum die-casting is sheathe in the rotor, and the periphery of rotor cover and flabellum die-casting is equipped with round annular arch, and this annular arch is parallel two planes from top to bottom for increase prevents changeing the function, realizes that rotor structure is more stable.
2. The novel fan rotor structure of claim 1, characterized in that: the rotating shaft assembly comprises a shaft and a supporting sleeve, the shaft and the supporting sleeve are in interference fit, an annular boss is arranged on the upper portion of the shaft, the upper portion and the lower portion of the annular boss are parallel planes, the lower portion of the annular boss is in contact with the top surface of a bearing, the coaxiality of the rotor and the bearing is guaranteed to be higher, the upper portion of the annular boss and the fan blades are molded and pressed together, the shaft and the fan blades are prevented from being separated, and the shaft is higher in strength and more reliable.
3. The novel fan rotor structure of claim 2, characterized in that: the annular boss and the shaft are of an integrally formed structure.
4. The novel fan rotor structure of claim 2, characterized in that: support the cover and adopt the similar gear structure, support cover circumference and be equipped with a plurality of tooth's grooves, the tooth's groove increase with the mould pressure area of flabellum, can play prevent changeing, the anticreep effect, improve the reliability.
5. The novel fan rotor structure of claim 2 or 4, wherein: the support sleeve and the shaft are subjected to hot assembly and circumferential laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121333241.XU CN216842282U (en) | 2021-06-16 | 2021-06-16 | Novel fan rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121333241.XU CN216842282U (en) | 2021-06-16 | 2021-06-16 | Novel fan rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842282U true CN216842282U (en) | 2022-06-28 |
Family
ID=82082924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121333241.XU Active CN216842282U (en) | 2021-06-16 | 2021-06-16 | Novel fan rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842282U (en) |
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2021
- 2021-06-16 CN CN202121333241.XU patent/CN216842282U/en active Active
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