CN213298376U - Fan capable of reducing noise and fan wheel structure thereof - Google Patents
Fan capable of reducing noise and fan wheel structure thereof Download PDFInfo
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- CN213298376U CN213298376U CN202021237509.5U CN202021237509U CN213298376U CN 213298376 U CN213298376 U CN 213298376U CN 202021237509 U CN202021237509 U CN 202021237509U CN 213298376 U CN213298376 U CN 213298376U
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Abstract
The utility model discloses a fan of noise reduction and fan wheel structure thereof, including fan wheel structure and fan, the fan wheel structure includes wheel hub, flabellum and flow distribution plate, the flabellum extends the shaping from wheel hub's outer peripheral edges, the flabellum includes the face of dispelling the wind, forms at the dorsal surface of face of dispelling the wind dorsal part, near wheel hub's near-end limit and keeps away from this wheel hub's distal end limit to be formed with an income wind limit and an air-out limit respectively in the punishment of meeting of this face of dispelling the wind and this dorsal surface. The fan and the fan wheel structure with the function of reducing noise have the advantages that the shaft rod part is formed on one side of the hub, the fixing part can be connected and fixed, the hub can rotate on the fixing part, the wind shields connected to the fan blades can shield airflow caused by the rotation of the fan blades by the wind shields to generate a wind collecting effect, and the airflow generated by the fan wheel structure during rotation can be blown out from the wind outlet gaps through the wind outlet gaps formed between the wind shields.
Description
Technical Field
The utility model relates to an electronic equipment technical field specifically is a fan of noise reduction and fan wheel structure thereof.
Background
Electronic devices and devices inside, such as motherboard, integrated circuit, PCB, etc., all generate heat energy and gradually increase temperature during operation, when the heat dissipation efficiency is insufficient, the electronic devices will be damaged or short-circuited, which affects the performance and lifetime of the electronic devices during operation, therefore, it is one of the common heat dissipation technologies to install heat dissipation fans in the electronic devices and devices; in addition, a fan is used in a common home or office to blow, so that people feel cool in cool summer and increase air circulation to achieve the effects of cooling and cooling.
However, the conventional axial-flow heat dissipation fan generates a vortex flow during operation, the fan frame resonates when the fan blades rotate, and noise is generated, and noise generated by the fan blades driven by the electric motor is noisy and annoying to surrounding users.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a fan and a fan wheel structure thereof, which can reduce noise, so as to solve the above-mentioned background art and provide a common axial-flow type heat dissipation fan, which can form a vortex when operating, and make the fan frame generate resonance and then generate noise when the fan blades rotate, and in addition, the electric motor drives the fan blades to rotate the noise generated, so that the user around the fan often feels noisy and fidgety.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan that can reduce noise and fan wheel structure thereof, includes fan wheel structure and fan, the fan wheel structure includes wheel hub, flabellum and flow distribution plate, the flabellum extends the shaping from wheel hub's outer peripheral edge, the flabellum includes the face of dispelling the wind, forms at the dorsal wind face of face dorsal part, near wheel hub's near-end limit and keep away from this wheel hub's distal end limit to be formed with one respectively at the department of meeting of this face of dispelling the wind and this dorsal wind face and enter the wind limit and an air-out limit, the flow distribution plate sets up respectively on each flabellum, the flow distribution plate extends and links up near end limit and this distal end limit from the air-out limit.
Preferably, the impeller structure further comprises a plurality of wind shields respectively arranged on the far-end edges, and one end of each wind shield is connected with the splitter plate on the adjacent fan blade.
Preferably, the wind deflector has a triangular arc-shaped sheet structure.
Preferably, the other end of the wind shield extends to the upper part of the flow distribution plate and forms an air outlet gap together with the wind shield on the adjacent fan blade, and two sides of the air outlet gap are parallel to the air outlet direction of the outer edge of the fan wheel structure.
Preferably, the wind deflector is integrally formed with each of the fan blades.
Preferably, the splitter plate is integrally formed with each of the fan blades.
Preferably, one side of the hub is connected with a shaft part.
Preferably, the fan comprises a base, and the fan wheel structure is rotatably arranged on the base.
Preferably, a plurality of connecting pins are formed on the base, and a fixing hole is formed in each connecting pin.
Compared with the prior art, the beneficial effects of the utility model are that: the fan and the fan wheel structure with the function of reducing noise have the advantages that the shaft rod part is formed on one side of the hub, the fixing part can be connected and fixed, the hub can rotate on the fixing part, the wind shields connected to the fan blades can enable air flow caused by rotation of the fan blades to be shielded by the wind shields to generate a wind collecting effect, air flow generated by the fan wheel structure during rotation can be blown out from the wind outlet gaps through the wind outlet gaps formed between the wind shields, the blowing angle and range of the air flow are wider, and the vortex generated by the air flow can be dispersed by the flow distribution plates so as to reduce noise generated at the inlet vortex position of the fan wheel structure.
Drawings
FIG. 1 is a perspective view of the fan wheel structure of the present invention;
FIG. 2 is another view from FIG. 1;
FIG. 3 is a further view from FIG. 1;
FIG. 4 is a top view of the fan wheel structure of the present invention;
FIG. 5 is a sectional view of the fan wheel structure of the present invention;
fig. 6 is a perspective view of the novel fan.
In the figure: 1. a fan wheel structure; 100. a fan; 11. a hub; 12. a fan blade; 121. a wind-dispelling face; 122. a leeward side; 123. a proximal edge; 124. a distal edge; 125. entering a wind edge; 126. air outlet edge; 127. a flow distribution plate; 13. a wind deflector; 14. an air outlet notch; 15. a shaft portion; 3. a base; 31. a connecting pin; 311. and (7) fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: referring to fig. 1 to 5, a fan wheel structure 1 includes a hub 11, a plurality of blades 12, a plurality of splitter plates 127, and a plurality of wind shields 13 connecting the blades 12.
The hub 11 may be formed by plastic injection molding and has a shaft portion 15 connected to one side thereof. The plurality of blades 12 may be formed by plastic injection and integrally molded, and extend from the outer periphery of the hub 11 and are formed in a radial shape, each blade 12 includes a wind-driving surface 121, a leeward surface 122 formed on the back side of the wind-driving surface 121, a near end 123 adjacent to the hub 11, and a far end 124 far from the hub 11, and a wind inlet edge 125 and a wind outlet edge 126 are respectively formed at the connection position of the wind-driving surface 121 and the leeward surface 122.
Each of the flow dividing plates 127 may be formed by plastic injection and integrally formed with each of the fan blades 12, and is respectively disposed on each of the fan blades 12, each of the flow dividing plates 127 extends from the air outlet edge 126 and is connected to the proximal end edge 123 and the distal end edge 124, and each of the flow dividing plates 127 is in an angular structure gradually expanding toward the distal end edge, so that the airflow generated by the impeller structure 1 during rotation can be cut into two sides to have wide-angle airflow, and reduce noise generated by the inlet vortex of the impeller structure 1.
Each wind screen 13 is formed by plastic injection and integrally formed with each fan blade 12, and is a generally triangular arc-shaped sheet structure, and is disposed on each distal end edge 124, one end of each wind screen 13 is connected to the splitter 127 of the adjacent fan blade 12, when the hub 11 drives each fan blade 12 to rotate, the airflow caused by the rotation is shielded by each wind screen 13 to generate a wind collecting effect.
The other end of each wind screen 13 extends to the upper side of the flow dividing plate 127, and forms an air outlet gap 14 together with the wind screens 13 of the adjacent fan blades 12, and two sides of each air outlet gap 14 are parallel to the air outlet direction of the outer edge of the fan wheel structure 1, so that the air flow generated by the fan wheel structure 1 during rotation can be blown out from each air outlet gap 14, and the blowing angle and range of the air flow are wider.
Referring to fig. 6, it includes: a base 3 and the fan wheel structure 1 as described above, the fan wheel structure 1 is rotatably disposed on the base 3. Wherein, a plurality of connecting pins 31 are formed on the base 3, each connecting pin 31 is provided with a fixing hole 311, and each fixing hole 311 is used for a screw fixing element to fix the fan 100.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a fan that can reduce noise and fan wheel structure thereof, includes fan wheel structure (1) and fan (100), fan wheel structure (1) includes wheel hub (11), flabellum (12) and flow distribution plate (127), its characterized in that: the fan blade (12) extends and forms from the outer periphery of the hub (11), the fan blade (12) comprises a wind driving surface (121), a leeward surface (122) formed on the back side of the wind driving surface (121), a near end edge (123) adjacent to the hub (11) and a far end edge (124) far away from the hub (11), a wind inlet edge (125) and a wind outlet edge (126) are respectively formed at the connection position of the wind driving surface (121) and the leeward surface (122), the flow distribution plates (127) are respectively arranged on the fan blades (12), and the flow distribution plates (127) extend from the wind outlet edge (126) and are connected with the near end edge (123) and the far end edge (124).
2. The fan and its wheel structure of claim 1, wherein: the fan wheel structure (1) further comprises a plurality of wind shields (13) which are respectively arranged on the far end edges (124), and one end of each wind shield (13) is connected with the flow distribution plate (127) on the adjacent fan blade (12).
3. The fan and its wheel structure of claim 2, wherein: the wind shield (13) is of a triangular arc sheet structure.
4. The fan and its wheel structure of claim 2, wherein: the other end of the wind shield (13) extends to the upper part of the flow distribution plate (127) and forms an air outlet gap (14) together with the wind shield (13) on the adjacent fan blade (12), and two sides of the air outlet gap (14) are parallel to the air outlet direction of the outer edge of the fan wheel structure (1).
5. The fan and its wheel structure of claim 2, wherein: the wind shield (13) is integrally formed with each fan blade (12).
6. The fan and its wheel structure of claim 1, wherein: the splitter plate (127) is integrally formed with each of the fan blades (12).
7. The fan and its wheel structure of claim 1, wherein: one side of the hub (11) is connected with a shaft part (15).
8. The fan and its wheel structure of claim 1, wherein: the fan (100) comprises a base (3), and the fan wheel structure (1) is rotatably arranged on the base (3).
9. The fan and its wheel structure of claim 8, wherein: a plurality of connecting pins (31) are formed on the base (3), and a fixing hole (311) is formed in each connecting pin (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021237509.5U CN213298376U (en) | 2020-06-30 | 2020-06-30 | Fan capable of reducing noise and fan wheel structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021237509.5U CN213298376U (en) | 2020-06-30 | 2020-06-30 | Fan capable of reducing noise and fan wheel structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298376U true CN213298376U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021237509.5U Active CN213298376U (en) | 2020-06-30 | 2020-06-30 | Fan capable of reducing noise and fan wheel structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298376U (en) |
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2020
- 2020-06-30 CN CN202021237509.5U patent/CN213298376U/en active Active
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