CN215672857U - Fan blade structure - Google Patents
Fan blade structure Download PDFInfo
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- CN215672857U CN215672857U CN202023044684.5U CN202023044684U CN215672857U CN 215672857 U CN215672857 U CN 215672857U CN 202023044684 U CN202023044684 U CN 202023044684U CN 215672857 U CN215672857 U CN 215672857U
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- fan blade
- wind
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- blade structure
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Abstract
The utility model particularly discloses a fan blade structure, which comprises a plurality of blades and a fixed seat, wherein the blades are provided with a certain radian and comprise a flat part and a wind-pocket part, the wind-pocket part is formed by extending one side of the flat part along the certain radian and forms an arc-shaped wind-cutting surface, and the arc-shaped wind-cutting surface is a curved arc surface; meanwhile, the air pocket part is provided with reinforcing ribs sunken to the arc-shaped air cutting surface along the length direction of the fan blade, and the reinforcing ribs improve the strength of the fan blade and enable the bending resistance and the folding resistance of the fan blade to be better; the fan blade is detachably connected with the fixing seat, so that the fan blade is convenient to maintain and transport and is more practical.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a fan blade structure of a fan.
Background
The electric fan is a common household appliance in daily life of modern people, is mainly used for cooling and relieving summer heat in summer and indoor air circulation, and is wide in application places, wherein the fan blades are important parts in the electric fan, and the motor drives the fan blades to rotate rapidly so as to achieve the effect of accelerating air circulation and further achieve the purpose of cooling or ventilation. The common fan blades and the fixed seat form a certain bending angle, the blades are straight blades, the wind cutting surface is a plane, the wind cutting area is small, the wind area blown out is small, the wind power of the traditional blades is small, and the requirements of users are difficult to meet.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a fan blade structure, which has a large wind-cutting area, strong and concentrated wind power, and low noise.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a fan blade structure, includes a plurality of fan blades and fixing base, and is a plurality of the fan blade sets up on the fixing base, the fan blade includes pars planata and pocket wind portion, pars planata is located the bottom of fan blade, pocket wind portion by the outside arc of one side of pars planata extends the shaping and forms the arc and cut the wind face, pocket wind portion follows the length direction of fan blade be equipped with to the sunken first strengthening rib of arc cut wind face.
Furthermore, the fixing base includes centre frame and the fan-shaped frame that distributes around the centre frame, the one end of pocket wind portion is fixed on the fan-shaped frame.
Furthermore, be equipped with a plurality of lugs on the fan-shaped frame, pocket wind portion is equipped with a plurality of through-holes, the lug card is gone into in the through-hole.
Furthermore, one end of the air pocket part is fixed on the fan-shaped frame through a screw.
Furthermore, the number of the convex blocks is 2, and the number of the through holes is 2.
Furthermore, a plurality of second reinforcing ribs are arranged inside the fixing seat.
Furthermore, the number of the fan blades is 3.
Compared with the prior art, the utility model has the beneficial effects that:
the fan blade is provided with a certain radian and comprises a flat part and a wind-pocket part, wherein the wind-pocket part is formed by extending one side of the flat part along a certain radian shape and forms an arc-shaped wind-cutting surface, and the arc-shaped wind-cutting surface is a curved arc surface; meanwhile, the air pocket part is provided with reinforcing ribs sunken to the arc-shaped air cutting surface along the length direction of the fan blade, and the reinforcing ribs improve the strength of the fan blade and enable the bending resistance and the folding resistance of the fan blade to be better; the fan blade is detachably connected with the fixing seat, so that the fan blade is convenient to maintain and transport and is more practical.
Drawings
FIG. 1 is one of the schematic structural diagrams of a fan blade according to the present invention;
FIG. 2 is a second schematic structural view of a fan blade according to the present invention;
FIG. 3 is a schematic view of the fixing base of the present invention;
FIG. 4 is a second schematic view of the fixing base of the present invention;
FIG. 5 is one of the schematic structural diagrams of the present invention;
FIG. 6 is a second schematic structural diagram of the present invention;
in the figure:
1. a fan blade; 11. a leveling section; 12. a wind-pocket part; 121. a through hole; 13. an arc-shaped wind cutting surface; 2. a fixed seat; 21. a center frame; 22. a fan-shaped frame; 221. a bump; 3. a first reinforcing rib; 31. a long strip; 32. A bending section; 4. a screw; 5. and a second reinforcing rib.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly understood, the following description will be made with reference to the accompanying drawings and embodiments. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The fan blade structure that this embodiment provided is as shown in fig. 1-6, including a plurality of fan blades 1 and fixing base 2, a plurality of fan blades 1 set up on fixing base 2, fan blade 1 is provided with certain radian, fan blade 1 includes pars planata 11 and wind-pocket portion 12, pars planata 11 is located the bottom of fan blade 1, do not set up the radian, for straight plane structure, and wind-pocket portion 12 extends the shaping and forms arc tangential wind face 13 by the outside arc in a side of pars planata 11, arc tangential wind face 13 is crooked cambered surface, compare in straight plane structure, arc tangential wind face 13's air supply area is bigger, the wind-pocket is concentrated to the middle part more, wind-force is stronger.
Referring to fig. 3 to 4, the fixing base 2 of the present embodiment includes a center frame 21 and fan-shaped frames 22 evenly distributed annularly around the center frame 21, one end of the air inlet portion 12 is fixed on the fan-shaped frame 22, and since the air inlet portion 12 has a curved arc-shaped structure, in order to improve the fixing between the air inlet portion 12 and the fan-shaped frame 22, the contact surface between the fan-shaped frame 22 and the air inlet portion 12 should be a curved surface corresponding to the shape of the air inlet portion 12.
Referring to fig. 1 to 4, a plurality of protrusions 221 are disposed on a curved surface of the fan frame 22 contacting the air inlet portion 12, the air inlet portion 12 has a plurality of through holes 121, when the fan frame 22 is fixedly connected to the air inlet portion 12, the protrusions 221 are inserted into the through holes 121, and one end of the air inlet portion 12 is further fixed to the fan frame 22 by screws 4, so that the fan blade 1 is detachably mounted on the fixing base 2. Preferably, there are 2 protrusions 221 on each fan frame 22, 2 through holes 121 on each scoop section 12, and 2 screws 4 per set.
Referring to fig. 1, the wind inlet portion 12 is provided with a first reinforcing rib 3 recessed toward the arc-shaped wind cutting surface 13 along the length direction of the fan blade 1, in order to better enhance the bending resistance and the folding resistance of the fan blade 1, the first reinforcing rib 3 includes a long portion 31 and a bending portion 32, the long portion 31 extends along the length direction of the fan blade 1, the extending direction has a certain radian, the bending portion 32 is disposed at one end away from the fan-shaped frame 22, and the bending portion 32 and the long portion 31 are connected into a whole.
Referring to fig. 5-6, a plurality of second reinforcing ribs 5 are arranged inside the fixing seat 2, and the number of the fan blades 1 is 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a fan blade structure, includes a plurality of fan blades and fixing base, and is a plurality of the fan blade sets up on the fixing base, its characterized in that, the fan blade includes pars planata and wind pocket portion, pars planata is located the bottom of fan blade, wind pocket portion by one side outside arc of pars planata extends the shaping and forms the arc and cuts the wind face, wind pocket portion follows the length direction of fan blade be equipped with to the sunken first strengthening rib of arc cut wind face.
2. The fan blade structure as claimed in claim 1, wherein the fixing base includes a central frame and fan-shaped frames distributed around the central frame, and one end of the bellying portion is fixed to the fan-shaped frames.
3. The fan blade structure as claimed in claim 2, wherein the fan frame is provided with a plurality of protrusions, the wind-pocket portion is provided with a plurality of through holes, and the protrusions are inserted into the through holes.
4. The fan blade structure as claimed in claim 3, wherein one end of the wind-pocket portion is fixed to the fan-shaped frame by a screw.
5. The fan blade structure of claim 3, wherein the number of the protrusions is 2, and the number of the through holes is 2.
6. The fan blade structure as claimed in claim 1, wherein a plurality of second ribs are disposed inside the fixing base.
7. The fan blade structure of claim 1, wherein the number of the blades is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023044684.5U CN215672857U (en) | 2020-12-15 | 2020-12-15 | Fan blade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023044684.5U CN215672857U (en) | 2020-12-15 | 2020-12-15 | Fan blade structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215672857U true CN215672857U (en) | 2022-01-28 |
Family
ID=79949531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023044684.5U Active CN215672857U (en) | 2020-12-15 | 2020-12-15 | Fan blade structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215672857U (en) |
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2020
- 2020-12-15 CN CN202023044684.5U patent/CN215672857U/en active Active
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