CN216111388U - Stable and noise-reducing fan blade for electric fan - Google Patents
Stable and noise-reducing fan blade for electric fan Download PDFInfo
- Publication number
- CN216111388U CN216111388U CN202122552087.1U CN202122552087U CN216111388U CN 216111388 U CN216111388 U CN 216111388U CN 202122552087 U CN202122552087 U CN 202122552087U CN 216111388 U CN216111388 U CN 216111388U
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- fan
- fixedly connected
- blade
- fan blade
- blades
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- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 241000883990 Flabellum Species 0.000 claims description 16
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a fan blade for an electric fan, which is stable and capable of reducing noise, and comprises a fan shell, wherein the inner wall of the rear end of the fan shell is fixedly connected with a motor, the driving end of the motor penetrates through the front end of the fan shell and is fixedly connected with a rotating shaft, the outer diameter of the rotating shaft is in threaded connection with a mounting disc, and the rear end of the mounting disc is fixedly connected with a shaft sleeve corresponding to the outer diameter of the rotating shaft. According to the utility model, the reinforcing ribs are arranged outside the shaft sleeve, the injection molding process is promoted, the feeding is uniform, the weight of each injection molding blade is average, the balance of the blades is kept, the shaking is reduced and more stable, each inner blade separately shunts two outer blades, the inner and outer blades are self-organized, the air volume is larger, the air cutting is thinner, the noise is reduced while the air speed is increased, when a product collides in the operation process, the blade guide ribs effectively play a role in spacing with the protective cover, so that the blades cannot hit the net cover and are broken, and the safety is improved.
Description
Technical Field
The utility model relates to the field of electric fans, in particular to a fan blade for an electric fan, which is stable and noise-reducing.
Background
An electric fan is a household appliance which uses a motor to drive fan blades to rotate so as to accelerate the circulation of air, is mainly used for cooling, relieving summer heat and circulating air, and is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like.
Chinese patent document CN206582170U discloses a novel electric fan blade, including connecting body and a plurality of blades of setting on connecting body, be equipped with windward end face and leeward end face on every blade, be close to blade profile edge on every blade and be equipped with the pressure boost basin, the pressure boost basin makes windward end face constitute the pressure boost concave surface, and make leeward end face form the pressure boost convex surface, the electric fan blade of this structure when operating, can increase the pressure of air, accelerate the flow rate of air, can reduce the area that the air diffusion flows simultaneously, it is quick to make the air form, concentrated air current, but its flabellum is great and the structure is single, the injection molding process degree of difficulty is high, lead to blade weight inequality easily, easily shake the noise production when the fan blade rotates, probably produce the collision between blade and the protection casing simultaneously and lead to the flabellum fracture.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a fan blade for an electric fan, which is stable and capable of reducing noise.
In order to achieve the purpose, the utility model adopts the following technical scheme: a fan blade for an electric fan with stable noise reduction comprises a fan shell, wherein the inner wall of the rear end of the fan shell is fixedly connected with a motor, the driving end of the motor penetrates through the front end of the fan shell and is fixedly connected with a rotating shaft, the outer diameter of the rotating shaft is in threaded connection with a mounting disc, the back end of the mounting disc is fixedly connected with a shaft sleeve corresponding to the outer diameter of the rotating shaft, a plurality of reinforcing ribs are uniformly and fixedly connected with the outer diameter of the shaft sleeve, one end of the reinforcing rib far away from the shaft sleeve is fixedly connected with one end of the supporting piece, the other end of the supporting piece is fixedly connected with the inner wall of the inner ring, the outer wall of the inner ring is uniformly and fixedly connected with a plurality of inner fan blades, one ends of the inner fan blades far away from the inner ring are fixedly connected with the inner wall of the outer ring, the outer wall of outer loop is a plurality of outer flabellums of even fixedly connected with, the rear end of outer flabellum is located keeps away from the equal fixedly connected with direction muscle of outer loop volume one side.
As a further description of the above technical solution:
the front end of the fan shell is fixedly connected with a protective cover.
As a further description of the above technical solution:
the front end of the inner ring is fixedly connected with the rear end of the mounting disc.
As a further description of the above technical solution:
the rear ends of the guide ribs are fixedly connected with rubber layers.
As a further description of the above technical solution:
the reinforcing plates are arranged at the joints of the guide ribs and the outer fan blades.
As a further description of the above technical solution:
the rear end of the guide rib is an arc surface.
As a further description of the above technical solution:
each inner fan blade is arranged between the corresponding two outer fan blades.
The utility model has the following beneficial effects:
1. according to the utility model, after the mounting disc and the rotating shaft are fixed, the fan is driven to rotate by the motor, the injection molding process is promoted by arranging the reinforcing ribs outside the shaft sleeve, the feeding is uniform, the weight of each injection molding blade is average, the balance of the blades is kept, the shaking is reduced and the vibration is more stable, each inner blade separately shunts two outer blades, and the inner blade and the outer blade form a system, so that the air volume is larger, the air cut is thinner, the air speed is increased, and the noise is reduced.
2. According to the utility model, the guide ribs are arranged on the outer fan blades to stabilize the operation of the fan blades, when the product is collided in the operation, the guide ribs of the fan blades effectively play a role of spacing with the protective cover, so that the fan blades cannot hit a mesh cover and be cracked, the safety is improved, meanwhile, the guide ribs can be used for any different types of fan blades, the manufacturing process is simple, the cost is low, and the practicability is high.
Drawings
FIG. 1 is a perspective view of an outer blade of a fan blade for an electric fan with stable noise reduction according to the present invention;
FIG. 2 is a schematic view of a reinforcing rib structure of a fan blade for an electric fan with stable noise reduction provided by the present invention;
FIG. 3 is a rear view of an outer blade of a fan blade for an electric fan with stable noise reduction according to the present invention;
fig. 4 is a schematic structural view of a guide rib of a fan blade for an electric fan with stable noise reduction provided by the utility model.
Illustration of the drawings:
1. a fan housing; 2. a protective cover; 3. a rotating shaft; 4. mounting a disc; 5. a shaft sleeve; 6. reinforcing ribs; 7. A support member; 8. an inner ring; 9. an inner fan blade; 10. an outer ring; 11. an outer fan blade; 12. a guide rib; 13. a rubber layer; 14. a reinforcing plate; 15. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: a fan blade for an electric fan with stable noise reduction comprises a fan shell 1, wherein a motor 15 is fixedly connected to the inner wall of the rear end of the fan shell 1, the driving end of the motor 15 penetrates through the front end of the fan shell 1 and is fixedly connected with a rotating shaft 3, the outer diameter of the rotating shaft 3 is in threaded connection with a mounting plate 4, a shaft sleeve 5 is fixedly connected to the rear end of the mounting plate 4 corresponding to the outer diameter of the rotating shaft 3, a plurality of reinforcing ribs 6 are uniformly and fixedly connected to the outer diameter of the shaft sleeve 5, one ends, far away from the shaft sleeve 5, of the reinforcing ribs 6 are fixedly connected to one end of a supporting piece 7, the other end of the supporting piece 7 is fixedly connected to the inner wall of an inner ring 8, a plurality of inner fan blades 9 are uniformly and fixedly connected to the outer wall of an outer ring 10, a plurality of outer fan blades 11 are uniformly and fixedly connected to the outer wall of the outer ring 10, guide ribs 12 are fixedly connected to one sides, far away from the outer ring 10, at first with mounting disc 4 and 3 fixed backs of pivot, drive the fan through motor 15 and rotate, outside through at axle sleeve 5 sets up strengthening rib 6, promote injection molding process, even feeding, make every leaf blade weight of moulding plastics average, keep the fan blade balanced, it is more stable to reduce the shake, through setting up the operation of guide rib 12 stable fan blade on outer fan blade 11, meet the collision in service when the product, fan blade guide rib 12 effectively plays and makes its blade can not hit the screen panel and cracked with 2 interval effects of protection casing, the security has been improved, guide rib 12 can be used to any different kind of fan blade simultaneously, the simple cost of manufacturing process is low and the practicality is strong.
Fan housing 1's front end fixedly connected with protection casing 2, the front end fixed connection of inner ring 8 is in the rear end of mounting disc 4, the equal fixedly connected with rubber layer 13 in rear end of direction muscle 12, can cushion the impact strength degree through rubber layer 13 when bumping, the flabellum has been protected, direction muscle 12 all is provided with gusset plate 14 with the junction of outer flabellum 11, improve the joint strength of direction muscle 12 and outer flabellum 11, prevent the fracture, the rear end of direction muscle 12 sets up to the cambered surface, flabellum 9 all sets up between corresponding two outer flabellum 11 in every, two outer flabellum 11 of flabellum 9 reposition alone in every, inside and outside self-component system fan blade, let the amount of wind bigger cut wind more carefully, the noise has been reduced when increasing the wind speed.
The working principle is as follows: at first with the fixed back of mounting disc 4 and pivot 3, it rotates to drive the fan through motor 15, outside through at axle sleeve 5 sets up strengthening rib 6, promote injection molding process, even feeding, make every leaf blade weight average of moulding plastics, keep the fan blade balanced, it is more stable to reduce the shake, every interior flabellum 9 shunts two outer flabellums 11 alone, the inside and outside is from the system fan blade, let the bigger air volume cut the wind thinner, the noise has been reduced when increasing the wind speed, through setting up the operation of guide rib 12 stable fan blade on outer flabellum 11, meet the collision when the product is in service, fan blade guide rib 12 effectively plays and makes its blade can not hit the screen panel and cracked with protection casing 2 interval effect, the security has been improved, guide rib 12 can be used to any different kinds of fan blades simultaneously, the simple cost of manufacture process is low and the practicality is strong.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a fan blade for electric fan that stabilizes and fall noise, includes fan housing (1), its characterized in that: the fan is characterized in that a motor (15) is fixedly connected to the inner wall of the rear end of the fan shell (1), the driving end of the motor (15) penetrates through the front end of the fan shell (1) and is fixedly connected with a rotating shaft (3), the outer diameter of the rotating shaft (3) is in threaded connection with a mounting disc (4), a shaft sleeve (5) is fixedly connected to the rear end of the mounting disc (4) corresponding to the outer diameter of the rotating shaft (3), a plurality of reinforcing ribs (6) are uniformly and fixedly connected to the outer diameter of the shaft sleeve (5), one ends, far away from the shaft sleeve (5), of the reinforcing ribs (6) are fixedly connected to one end of a supporting piece (7), the other end of the supporting piece (7) is fixedly connected to the inner wall of an inner ring (8), a plurality of inner fan blades (9) are uniformly and fixedly connected to the outer wall of the inner ring (8), one ends, far away from the inner ring (8), of the inner fan blades (9) are fixedly connected to the inner wall of an outer ring (10), the outer wall of outer ring (10) is even fixedly connected with a plurality of outer flabellums (11), the rear end of outer flabellum (11) is located and keeps away from equal fixedly connected with direction muscle (12) of outer ring (10) volume one side.
2. A fan blade for an electric fan with stable noise reduction as claimed in claim 1, wherein: the front end of the fan shell (1) is fixedly connected with a protective cover (2).
3. A fan blade for an electric fan with stable noise reduction as claimed in claim 1, wherein: the front end of the inner ring (8) is fixedly connected with the rear end of the mounting disc (4).
4. A fan blade for an electric fan with stable noise reduction as claimed in claim 1, wherein: the rear ends of the guide ribs (12) are fixedly connected with rubber layers (13).
5. A fan blade for an electric fan with stable noise reduction as claimed in claim 1, wherein: and reinforcing plates (14) are arranged at the joints of the guide ribs (12) and the outer fan blades (11).
6. A fan blade for an electric fan with stable noise reduction as claimed in claim 1, wherein: the rear end of the guide rib (12) is an arc surface.
7. A fan blade for an electric fan with stable noise reduction as claimed in claim 1, wherein: each inner fan blade (9) is arranged between the corresponding two outer fan blades (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122552087.1U CN216111388U (en) | 2021-10-22 | 2021-10-22 | Stable and noise-reducing fan blade for electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122552087.1U CN216111388U (en) | 2021-10-22 | 2021-10-22 | Stable and noise-reducing fan blade for electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111388U true CN216111388U (en) | 2022-03-22 |
Family
ID=80694730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122552087.1U Active CN216111388U (en) | 2021-10-22 | 2021-10-22 | Stable and noise-reducing fan blade for electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111388U (en) |
-
2021
- 2021-10-22 CN CN202122552087.1U patent/CN216111388U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231227 Address after: 315000 No. 488 Rixian Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Cixi Xianghe Electric Co.,Ltd. Address before: 315313 Jiang Jia, Pali village, Zhangqi Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: Jiang Shijun |
|
| TR01 | Transfer of patent right |