CN217055691U - Single-layer wide-width curved-surface fan blade and electric fan with same - Google Patents
Single-layer wide-width curved-surface fan blade and electric fan with same Download PDFInfo
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- CN217055691U CN217055691U CN202220742434.9U CN202220742434U CN217055691U CN 217055691 U CN217055691 U CN 217055691U CN 202220742434 U CN202220742434 U CN 202220742434U CN 217055691 U CN217055691 U CN 217055691U
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Abstract
The utility model discloses a single-layer wide curved surface fan blade and an electric fan thereof, the fan blade comprises a single-layer sheet-shaped fan blade main body, the inner side end of the fan blade main body is provided with an installation part, the outer side end of the fan blade body is provided with a diffusion part, the fan blade body comprises a front edge, a rear edge and a fan blade surface connected between the front edge and the rear edge, the fan blade surface is provided with a protrusion part arranged from the inner side end to the outer side end of the fan blade main body, the width of the fan blade surface between the rear edge and the protrusion part is 1/6-1/5 of the width of the fan blade main body, from the inner side end to the outer side end of the fan blade main body, the included angle between the fan blade surface between the front edge and the protrusion part and the horizontal plane sequentially comprises a first angle, a second angle, a third angle and a fourth angle, the length from the position of the fan blade main body corresponding to the second angle to the inner side end is 1/3-3/7 of the length of the fan blade main body. The utility model discloses individual layer broad width curved surface flabellum and electric fan simple structure, reasonable in design can effectively reduce fan energy consumption and noise.
Description
Technical Field
The utility model relates to a fan technical field particularly, relates to a individual layer broad width curved surface flabellum and electric fan thereof.
Background
The electric fan is a device which is driven by electricity to generate air flow, and the fan arranged in the electric fan rotates after being electrified, and mechanical energy is converted into wind energy, so that natural wind is formed to achieve a cool effect.
The traditional fan basically pushes air to be sent forwards by means of high-speed rotation of fan blades, the comfort is reduced by unidirectional quantitative blowing, the high-speed rotation of the fan blades consumes large energy, and meanwhile, a large amount of noise can be generated, and the service life of the fan blades is influenced. In addition, the inertia of the fan blades is generally low, further increasing energy consumption.
In view of the above, the inventor of the present application invented a single-layer wide curved fan blade and an electric fan thereof.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, reasonable in design, can effectively reduce the individual layer broad width curved surface flabellum and electric fan of energy consumption and noise.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the single-layer wide-width curved-surface fan blade comprises a single-layer sheet-shaped fan blade body, wherein an installation part used for being connected with a fan rotor is arranged at the inner side end of the fan blade body, a diffusion part is arranged on the outer side end of the fan blade body in an upwarping and extending mode, the fan blade body comprises a front edge positioned on one side where air flows in, a rear edge positioned on one side where air flows out and a fan blade surface connected between the front edge and the rear edge, the fan blade surface is provided with a protruding part arranged from the inner side end to the outer side end of the fan blade body, the horizontal height of the rear edge is higher than that of the front edge and lower than that of the protruding part, the width of the fan blade surface positioned between the rear edge and the protruding part is 1/6-1/5 of the width of the fan blade body, and the included angle between the fan blade surface positioned between the front edge and the protruding part and the horizontal plane sequentially comprises a first angle, The fan blade comprises a fan blade body, and is characterized by comprising a second angle, a third angle and a fourth angle, wherein the first angle is 8-10 degrees, the second angle is 34-36 degrees, the third angle is 26-29 degrees, the fourth angle is 24-26 degrees, and the length from the position of the fan blade body corresponding to the second angle to the inner side end is 1/3-3/7 of the length of the fan blade body.
Further, the first angle is 8.5 degrees, the second angle is 35.3 degrees, the third angle is 28.7 degrees, the fourth angle is 25.7 degrees, and the length from the position of the fan blade main body corresponding to the second angle to the inner side end is 2/5 times the length of the fan blade main body.
Further, the protrusion has a bending part protruding upwards from the inner end to the outer end of the fan blade body, and the bending part corresponds to the second angle.
Furthermore, the upwarping angle of the diffusion part is 24-28 degrees.
Further, the thickness of the fan blade main body gradually increases from the inner side end to the outer side end, and the ratio of the thickness of the inner side end to the thickness of the outer side end of the fan blade main body is as follows: 1:1.5-1:1.8.
Furthermore, the end surface of the inner side of the mounting part is an arc surface, and the corresponding central angle of the arc surface is 120 degrees.
Further, the mounting portion is provided with a weight reduction groove.
An electric fan, the fan blade is the fan blade as described above.
Further, the number of the fan blades is three.
After the technical scheme is adopted, compared with the prior art, the utility model, have following advantage:
the single-layer wide-width curved surface fan blade and the electric fan thereof have the advantages that when the fan blade rotates, air flows from the front edge of the fan blade to the rear edge of the fan blade, and through the special shape and angle design of the fan blade, the air outlet is obviously increased under the same rotating speed, so that the energy consumption and the noise are effectively reduced; due to the design of the diffusion part, the airflow diffusion area is large, air outlet with a large area and in multiple directions is realized, and the user experience is effectively improved; in addition, the special thickness design of the fan blades can effectively improve the inertia of the fan blades, and when the fan blades normally operate, the wind speed can be improved, and meanwhile, the energy consumption and the noise of the fan can be further reduced.
Drawings
FIG. 1 is a perspective view of a fan blade according to an embodiment of the present invention;
FIG. 2 is a top view of a fan blade according to an embodiment of the present invention;
FIG. 3 is a side view of the front edge of the fan blade according to the embodiment of the present invention;
FIG. 4 is a side view of the rear edge of the fan blade according to the embodiment of the present invention;
FIG. 5 is a perspective view of an electric fan according to an embodiment of the present invention;
fig. 6 is an exploded view of an electric fan according to an embodiment of the present invention.
Description of reference numerals:
10-a main body of the fan blade,
11-inner side end, 12-outer side end, 13-front edge, 14-rear edge, 15-leaf surface, 151-bulge, 152-bending part,
20-mounting part, 21-lightening groove
30-the part of the diffusion that is,
40-mounting bracket, 41-servo controller,
50-a connecting pipe is arranged on the upper surface of the shell,
60-permanent magnet direct drive motor, 61-LED lamp, 62-fixing plate, 63-flange plate,
70-decorating the outer cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description, but not for indication or suggestion that the device or element of the present invention must have a specific orientation, and thus cannot be understood as a limitation of the present invention.
Examples
Cooperate fig. 1 to fig. 4 to show, the utility model discloses a single-deck broad width curved surface flabellum, including the flaky flabellum main part 10 of individual layer, the medial extremity 11 of flabellum main part 10 is equipped with the installation department 20 that is used for being connected with fan rotor, just the outside end 12 of flabellum main part 10 upwarps and extends and is equipped with a diffusion portion 30, wherein, installation department 20, flabellum main part 10 and diffusion portion 30 adopt SMC combined material mould pressing integrated into one piece, and the equal curved surface rounding off of whole flabellum main part 10 greatly guarantees the uniformity of blade, improves the output efficiency of blade.
The fan blade body 10 comprises a front edge 13 positioned on one side where air flows in, a rear edge 14 positioned on one side where air flows out, and a fan blade face 15 connected between the front edge 13 and the rear edge 14, wherein the fan blade face 15 is provided with a protruding part 151 arranged from an inner side end 11 to an outer side end 12 of the fan blade body 10, the horizontal height of the rear edge 14 is higher than that of the front edge 13 and lower than that of the protruding part 151, the width of the fan blade face 15 positioned between the rear edge 14 and the protruding part is 1/6-1/5 of the width of the fan blade body 10, from the inner side end 11 to the outer side end 12 of the fan blade body 10, the included angle between the fan blade face 15 positioned between the front edge 13 and the protruding part and the horizontal plane sequentially comprises a first angle, a second angle, a third angle and a fourth angle, the first angle is 8-10 degrees, and the second angle is 34-36 degrees, the third angle is 26-29 degrees, the fourth angle is 24-26 degrees, and the length from the position of the fan blade main body 10 corresponding to the second angle to the inner side end 11 is 1/3-3/7 of the length of the fan blade main body 10. When the flabellum rotated, the air flowed to the trailing edge 14 of flabellum from the front edge 13 of flabellum, through the special shape and the angle design of flabellum, under the equal rotational speed, the air-out was showing the increase, effectively reduced energy consumption and noise, and in addition, diffusion portion 30's design for the air current diffusion area is big, realizes the air-out of great area and a plurality of directions, effectively promotes user experience.
The first angle is 8.5 degrees, the second angle is 35.3 degrees, the third angle is 28.7 degrees, the fourth angle is 25.7 degrees, the length from the position of the fan blade main body 10 corresponding to the second angle to the inner side end 11 is 2/5 the length of the fan blade main body 10, the position of the inner side end 11 of the fan blade main body 10 is corresponding to the first angle, the position of the outer side end 12 of the fan blade main body 10 is corresponding to the fourth angle, and the position of the third angle is located at the midpoint between the second angle and the fourth angle.
The protrusion 151 has a curved portion 152 curved upward from the inner end 11 to the outer end 12 of the fan blade body 10, and the curved portion 152 corresponds to the second angle. The bent portion 152 is slightly bent to protrude, thereby facilitating the diffusion of the air flow. From the inner end 11 to the outer end 12 of the fan blade body 10, an included angle between the fan blade surface 15 located between the rear edge 14 and the protruding portion and the horizontal plane tends to decrease and then increase, and the included angle reaches a minimum value corresponding to the position of the bending portion 152.
The upward tilting angle of the diffuser 30 is 24 to 28 degrees. The design of diffusion portion 30 of suitable angle can increase the air current diffusion area, realizes great area and the air-out of a plurality of directions, effectively promotes user experience.
The thickness of the fan blade main body 10 gradually increases from the inner side end 11 to the outer side end 12, and the thickness ratio of the inner side end 11 to the outer side end 12 of the fan blade main body 10 is as follows: 1:1.5-1:1.8. The thickness design can effectively improve the inertia of the fan blades, and when the fan blades normally operate, the wind speed can be improved, and meanwhile, the energy consumption and the noise of the fan motor can be further reduced.
The inboard terminal surface of installation department 20 is the arc surface, and this arc surface corresponds central angle and is 120 degrees. The mounting portions 20 of the three blades can be enclosed to form a ring, and one electric fan can be provided with the three blades. Wherein the mounting portion 20 is provided with a weight-reducing groove 21. The energy consumption can be further reduced.
Cooperation fig. 1 to fig. 6 are shown, the utility model also discloses an electric fan, drive motor 60, LED lamp 61 and three as above including installing support 40, connecting pipe 50, servo controller 41, permanent magnetism, servo controller 41 is located on the installing support 40, connecting pipe 50's upper end with installing support 40 connects, just connecting pipe 50's lower extreme with permanent magnetism drives the stator of motor 60 and connects, the head of three flabellum encloses to close and forms a ring and fixes on permanent magnetism drives the rotor of motor 60, LED lamp 61 install in the bottom of permanent magnetism drives the stator of motor 60, just permanent magnetism drive motor 60 with LED lamp 61 respectively with servo controller 41 connects. The mounting bracket 40 is used for mounting and fixing the whole electric fan, three fan blades are firstly mounted on a fixing plate 62, then the fixing plate 62 is mounted on a flange 63 fixedly connected with the rotor of the permanent magnet direct drive motor 60, and decorative outer covers 70 are arranged on the peripheries of the mounting bracket 40 and the permanent magnet direct drive motor 60.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a single-deck broad width curved surface flabellum which characterized in that: including the flaky flabellum main part of individual layer, the medial extremity of flabellum main part is equipped with the installation department that is used for being connected with fan rotor, just the outside end upwarping extension of flabellum main part is equipped with a diffusion portion, the flabellum main part is including the leading edge that is located air inflow one side, be located the trailing edge of air outflow one side, connect the flabellum face between leading edge and trailing edge, the flabellum face has a protruding portion that sets up along the medial extremity to the outside end of flabellum main part, the level of trailing edge is higher than the level of leading edge and is less than the level of protruding portion, is located flabellum face width between trailing edge and the protruding portion is 1/6-1/5 of flabellum main part width, follows the medial extremity to the outside end of flabellum main part, is located the flabellum face between leading edge and the protruding portion includes first angle with the contained angle of horizontal plane in proper order, The fan blade comprises a fan blade body, a first angle, a second angle, a third angle and a fourth angle, wherein the first angle is 8-10 degrees, the second angle is 34-36 degrees, the third angle is 26-29 degrees, the fourth angle is 24-26 degrees, and the length from the position of the fan blade body corresponding to the second angle to the inner side end is 1/3-3/7 of the length of the fan blade body.
2. The single layer wide curved fan blade of claim 1, wherein: the first angle is 8.5 degrees, the second angle is 35.3 degrees, the third angle is 28.7 degrees, the fourth angle is 25.7 degrees, and the length from the position of the fan blade main body corresponding to the second angle to the inner side end is 2/5 the length of the fan blade main body.
3. The single-layer wide-width curved fan blade of claim 1 or 2, wherein: the protrusion has a bending part which is bent and protruded upwards from the inner side end to the outer side end of the fan blade main body, and the bending part corresponds to the second angle.
4. The single layer wide curved fan blade of claim 1, wherein: the upward tilting angle of the diffusion part is 24-28 degrees.
5. The single layer wide curved fan blade of claim 1, wherein: the thickness of the fan blade main body is gradually increased from the inner side end to the outer side end, and the ratio of the thickness of the inner side end to the thickness of the outer side end of the fan blade main body is as follows: 1:1.5-1:1.8.
6. The single-layer wide-width curved fan blade of claim 1, wherein: the inboard terminal surface of installation department is the arc surface, and this arc surface corresponds the central angle and is 120 degrees.
7. The single-layer wide-width curved fan blade of claim 1 or 6, wherein: the installation part is provided with a weight reduction groove.
8. An electric fan, wherein the fan blades are the fan blades as claimed in any one of claims 1 to 7.
9. The electric fan as claimed in claim 8, wherein: the number of the fan blades is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220742434.9U CN217055691U (en) | 2022-03-31 | 2022-03-31 | Single-layer wide-width curved-surface fan blade and electric fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220742434.9U CN217055691U (en) | 2022-03-31 | 2022-03-31 | Single-layer wide-width curved-surface fan blade and electric fan with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055691U true CN217055691U (en) | 2022-07-26 |
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ID=82469089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220742434.9U Active CN217055691U (en) | 2022-03-31 | 2022-03-31 | Single-layer wide-width curved-surface fan blade and electric fan with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055691U (en) |
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2022
- 2022-03-31 CN CN202220742434.9U patent/CN217055691U/en active Active
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