CN211874811U - Fan blade structure of cooling fan - Google Patents
Fan blade structure of cooling fan Download PDFInfo
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- CN211874811U CN211874811U CN202020352280.3U CN202020352280U CN211874811U CN 211874811 U CN211874811 U CN 211874811U CN 202020352280 U CN202020352280 U CN 202020352280U CN 211874811 U CN211874811 U CN 211874811U
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- fan blade
- blades
- cooling fan
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Abstract
The utility model relates to a fan technical field, in particular to cooling fan's flabellum structure. The fan blade structure of the cooling fan mainly comprises: fan blades, a central wheel; the center wheel includes: a conical top end and a cylindrical bottom end; the conical top end is formed by extending the columnar bottom end, and a plurality of convex edges are arranged on the conical surface of the conical top end; the fan blades are provided with a plurality of blades which are connected with the columnar bottom end in a central array mode; the fan blade includes: the air inlet, the air outlet, the end part, the base part and the shallow groove are arranged on the front side of the air inlet; the end part and the base part of the fan blade are not in the same plane, and the end part and the base part are formed by twisting transition; the air inlet and the air outlet of the fan blade are of blade-shaped structures; the shallow grooves are arranged at the positions of the windward ports respectively. The utility model provides a wind that current flabellum structure produced gather together the poor problem of effect in center department.
Description
Technical Field
The utility model relates to a fan technical field, in particular to cooling fan's flabellum structure.
Background
The temperature of the electrical equipment can rise in the operation process, if cooling measures are not taken, the normal operation of the electrical equipment can be influenced, and the electrical equipment can be damaged if the temperature is serious.
Generally, a cooling fan is added beside the electrical equipment, and the air blown by the cooling fan carries away heat generated by the electrical equipment. A conventional fan structure generally includes a hub and a plurality of blades fixed around the hub, and when the fan structure rotates, an air flow is generated through the blades. However, the wind blown out by the fan can be dispersed to the periphery, and the wind at the central position is not concentrated enough, so that the cooling effect of the fan structure is general.
Disclosure of Invention
Therefore, the present invention has been made in view of the above problems. The utility model provides a fan blade structure of cooling fan gathers together through the wind direction center department that the structural design to the flabellum made the flabellum produce, reaches good cooling effect. The utility model discloses a realize above-mentioned purpose through following technical scheme:
a fan blade structure of a cooling fan mainly comprises: fan blades, a central wheel;
the center wheel includes: a conical top end and a cylindrical bottom end; the conical top end is formed by extending the columnar bottom end, and a plurality of convex edges are arranged on the conical surface of the conical top end;
the fan blades are provided with a plurality of blades which are connected with the columnar bottom end in a central array mode; the fan blade includes: the air inlet, the air outlet, the end part, the base part and the shallow groove are arranged on the front side of the air inlet; the end part and the base part of the fan blade are not in the same plane, and the end part and the base part are formed by twisting transition; the air inlet and the air outlet of the fan blade are of blade-shaped structures; the shallow grooves are arranged at the positions of the windward ports respectively.
In one embodiment, the ribs run in a helical configuration.
In one embodiment, the direction of the rib is a spiral structure, and further, the direction of the rib is consistent with the running direction of the fan.
In one embodiment, the air inlet is of a convex structure.
In one embodiment, the back air inlet is of a concave structure.
In one embodiment, the shallow grooves are distributed at positions of the air inlet in sequence at equal intervals, and the extending directions of the shallow grooves all point to the center of the fan.
The utility model discloses beneficial effect as follows:
1. the utility model discloses be provided with flabellum structure and the shallow slot that the distortion was passed through, the flabellum is at rotatory in-process, and the wind energy of production is enough to assemble to the center department of fan for the amount of wind reinforcing of center department has avoided the loss of wind, makes electrical equipment's cooling effect better.
Drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is an overall view of the present invention.
Fig. 3 is a view of the conical tip of the present invention.
Fig. 4 is a first view of the fan blade of the present invention.
Fig. 5 is a second view of the fan blade of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are easily implemented by those having ordinary skill in the art to which the present invention pertains. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In addition, for the purpose of more clearly describing the present invention, parts not connected with the present invention will be omitted from the drawings.
A fan blade structure of a cooling fan mainly comprises: fan blades 1 and a central wheel 2;
as shown in fig. 3, the center wheel 2 includes: a tapered top end 21 and a cylindrical bottom end 22; the conical top end 21 is formed by extending the cylindrical bottom end 22, a plurality of ribs 221 are arranged on the conical surface of the conical top end 21, and the ribs 221 surround the center of the conical top end 21;
as shown in fig. 2, the fan blade 1 has a plurality of blades connected with the columnar bottom end 22 in a central array;
as shown in fig. 4, the fan blade 1 includes: the air inlet 11, the leeward port 12, the end part 13, the base part 14 and the shallow groove 15; the fan blade 1 is integrally of a three-dimensional space structure, the end part 13 and the base part 14 of the fan blade 1 are not in the same plane, and the end part 13 is formed by twisting transition from the base part 14; the windward port 11 and the leeward port 12 of the fan blade 1 are blade-shaped structures; the shallow grooves 15 are arranged at the positions of the windward ports 11.
Preferably, as an implementable scheme, the direction of the rib 221 is a spiral structure, and the purpose is that the rib 221 can drive surrounding air to move, so that the air pressure at the conical top end 21 is reduced, and the wind direction center generated by the fan blade 1 is favorably converged.
Preferably, as an implementable scheme, the direction of the rib 221 is a spiral structure, and further, the direction of the rib 221 is consistent with the running direction of the fan, so as to reduce the resistance of the central wheel 2 in running.
Preferably, as an implementable scheme, the windward opening 11 is of a convex structure, and the purpose of the convex structure is to reduce the resistance of the windward opening 11, so that the fan blade 1 rotates rapidly to generate more wind in unit time.
Preferably, as an implementable solution, the leeward opening 12 is a concave structure, and the purpose is to facilitate the formation of forward flow at the leeward opening 12 to reduce resistance, so that the fan blade 1 rotates rapidly to generate more wind per unit time.
Preferably, as shown in fig. 4, the shallow grooves 15 are sequentially distributed at equal intervals at the position of the windward port 11, and the extending directions of the shallow grooves 15 all point to the center of the fan, so as to guide the wind direction generated by the fan blades 1 to converge at the center.
Claims (6)
1. A fan blade structure of a cooling fan mainly comprises: fan blades (1) and a central wheel (2);
the method is characterized in that: the centre wheel (2) comprises: a conical top end (21) and a cylindrical bottom end (22); the conical top end (21) is formed by extending a cylindrical bottom end (22), and a plurality of convex ribs (221) are arranged on the conical surface of the conical top end (21);
the fan blades (1) are provided with a plurality of blades and are connected with the columnar bottom ends (22) in a central array mode; the fan blade (1) comprises: an air inlet (11), a leeward opening (12), an end part (13), a base part (14) and a shallow groove (15); the end part (13) and the base part (14) of the fan blade (1) are not in the same plane, and the twisting transition is formed from the base part (14) to the end part (13); the windward port (11) and the leeward port (12) of the fan blade (1) are of blade-shaped structures; the shallow grooves (15) are arranged at the positions of the windward openings (11).
2. The fan blade structure of a cooling fan according to claim 1, wherein: the direction of the convex rib (221) is a spiral structure.
3. The fan blade structure of a cooling fan according to claim 2, wherein: the trend of bead (221) is helical structure, and further, the trend of bead (221) is unanimous with the running direction of fan.
4. The fan blade structure of a cooling fan according to claim 3, wherein: the windward opening (11) is of a convex structure.
5. The fan blade structure of a cooling fan according to claim 4, wherein: the back air port (12) is of an inwards concave structure.
6. The fan blade structure of a cooling fan according to claim 5, wherein: the shallow grooves (15) are sequentially distributed at equal intervals at the positions of the air inlet (11), and the extending directions of the shallow grooves (15) point to the center of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352280.3U CN211874811U (en) | 2020-03-19 | 2020-03-19 | Fan blade structure of cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352280.3U CN211874811U (en) | 2020-03-19 | 2020-03-19 | Fan blade structure of cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874811U true CN211874811U (en) | 2020-11-06 |
Family
ID=73258654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020352280.3U Active CN211874811U (en) | 2020-03-19 | 2020-03-19 | Fan blade structure of cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211874811U (en) |
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2020
- 2020-03-19 CN CN202020352280.3U patent/CN211874811U/en active Active
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