CN216554512U - Fan of hair drier - Google Patents
Fan of hair drier Download PDFInfo
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- CN216554512U CN216554512U CN202122574114.5U CN202122574114U CN216554512U CN 216554512 U CN216554512 U CN 216554512U CN 202122574114 U CN202122574114 U CN 202122574114U CN 216554512 U CN216554512 U CN 216554512U
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- rotating wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model belongs to the technical field of fans, and particularly relates to a blower fan which comprises a wind barrel shell, a wind energy driving assembly and a fan blade rotating wheel; in this hair-dryer fan, perfect the flabellum runner, the connection structure between wind energy drive assembly and the dryer casing, wherein the motor installing support among the wind energy drive assembly is fixed connection mutually with the inner wall of dryer casing, simultaneously with driving motor fixed mounting in the installation cavity seat at the middle part of motor installing support, and then make driving motor be better be fixed in on the motor installing support, simultaneously driving motor's output shaft stretches out in the installation cavity seat and is connected with the flabellum runner, make the flabellum runner be better fixed in on driving motor's output shaft, the concentricity of flabellum runner installation has been improved effectively, the reliability of flabellum runner installation is improved, also avoided flabellum runner and driving motor to drop from the dryer casing when high-speed operation simultaneously, security and reliability when the hair-dryer uses have been improved.
Description
Technical Field
The utility model belongs to the technical field of fans, and particularly relates to a blower fan.
Background
The hair dryer is mainly used for drying and shaping hair, but also can be used for local drying, heating and physical therapy in laboratories, physical therapy rooms, industrial production, art designing and the like. It can be classified into an ac series excitation type, an ac shaded pole type and a dc permanent magnet type according to the type of motor used. Structurally, the blower consists of one electric heating wire and one high speed small fan. When the electric fan is electrified, the electric heating wire can generate heat, and air blown out by the fan passes through the electric heating wire and is changed into hot air. If only the small fan rotates and the heating wire is not hot, only wind but not heat is blown out. Therefore, the fan is used as a main moving part of the hair dryer, however, the internal structure design of the fan on the market is unreasonable, so that the fixation is unreliable, the fan falls off in the using process to cause failure, and the use safety of the hair dryer is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blower fan, and aims to solve the technical problem that the fixing is unreliable due to unreasonable internal structural design of the existing fan.
To achieve the above object, an embodiment of the present invention provides a blower fan, including:
the air duct shell is characterized in that a flow guide channel is formed in the hollow cavity of the inner cavity of the air duct shell, and an air inlet and an air outlet which are communicated with the flow guide channel are respectively arranged at two opposite ends of the air duct shell;
the wind energy driving assembly is accommodated in the flow guide channel and is arranged close to the air inlet, and the wind energy driving assembly is fixedly connected with the inner wall of the air duct shell;
the fan blade rotating wheel is accommodated in the flow guide channel and is positioned on one side, facing the air outlet, of the wind energy driving assembly, the fan blade rotating wheel is coaxially and rotatably connected to the wind energy driving assembly along the axis direction of the air duct shell, and the rotating central shaft of the fan blade rotating wheel is parallel to the air inlet direction of the air inlet; when the fan blade rotating wheel is driven to rotate by the wind energy driving component, a pressurized airflow flowing from the air inlet to the air outlet is generated in the flow guide channel;
wherein the wind driven assembly comprises a motor mounting bracket and a drive motor; the motor mounting bracket is accommodated in the flow guide channel and is fixedly connected with the inner wall of the air duct shell, and the middle part of the motor mounting bracket is provided with a mounting cavity seat which is coaxial with the air duct shell; the driving motor is fixedly installed in the installation cavity seat, and an output shaft of the driving motor extends out of the installation cavity seat and is connected with the fan blade rotating wheel.
Optionally, the motor mounting bracket is provided with a support frame at the periphery of the mounting cavity seat, the outer end of the support frame is connected with the inner wall of the air duct shell in an integrated manner, and the inner end of the support frame is connected with the mounting cavity seat in an integrated manner.
Optionally, the support frame is a radiation strip structure, and a wiring slot capable of being threaded through a wire is formed in any one radiation strip.
Optionally, the fan wheel comprises a hub and fan blades; the hub is assembled on an output shaft of the driving motor, the fan blades are distributed on the outer periphery of the hub in an annular array, and the fan blades and the hub are integrally formed.
Optionally, the center of the hub is formed with a rotating shaft protruding downward for fitting on the output shaft of the drive motor.
Optionally, the hub is a hollow cylindrical barrel, the rear end of the hub is open, and the front end of the hub is closed to form a hub cavity; the rotating shaft is fixedly connected to the center of the hub and is accommodated in the hub cavity.
Optionally, the fan blade has bending change in both the rotation direction and the axial direction, and the blade leading edge and the blade trailing edge of the fan blade extend in a bending way from the blade root to the blade tip in the rotation direction; the pressurized airflow enters from the front edge of the fan blade and exits from the rear edge of the fan blade.
Optionally, the fan blade is horizontally extended and molded along an arc from the root to the outside, so that the front surface and the back surface of the fan blade are both arc-shaped and plane.
Optionally, one side of the outer edge of the upper part of the fan blade is a wind cutting surface, and one side of the outer edge of the lower part of the fan blade is a wind inlet surface.
One or more technical schemes in the blower fan provided by the embodiment of the utility model at least have one of the following technical effects: in the blower fan, the connection structure among the fan blade rotating wheel, the wind energy driving component and the air barrel shell is perfected, wherein a motor mounting bracket in the wind energy driving component is fixedly connected with the inner wall of the air barrel shell, and the driving motor is fixedly mounted in a mounting cavity seat in the middle of the motor mounting bracket, so that the driving motor is better fixed on the motor mounting bracket, and meanwhile, an output shaft of the driving motor extends out of the mounting cavity seat and is connected with the fan blade rotating wheel, so that the fan blade rotating wheel is better fixed on the output shaft of the driving motor, the concentricity of the installation of the fan blade rotating wheel is effectively improved, the reliability of the installation of the fan blade rotating wheel is improved, the fan blade rotating wheel and the driving motor are prevented from falling off from the air barrel shell when running at high speed, and the safety and the reliability of the blower when in use are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a perspective view of a blower fan according to an embodiment of the present invention at a first vision.
Figure 2 is a perspective view of a blower fan provided in accordance with an embodiment of the present invention, at a second vision.
Figure 3 is a top view of a blower fan provided in accordance with an embodiment of the present invention.
Figure 4 is a cross-sectional view of a blower fan provided in accordance with an embodiment of the present invention.
Fig. 5 is an exploded view of a blower fan according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. a wind barrel shell; 110. A flow guide channel; 120. An air inlet;
130. an air outlet; 200. A wind driven assembly; 210. A motor mounting bracket;
211. mounting a cavity seat; 212. A support frame; 213. A wiring groove;
220. a drive motor; 300. A fan blade rotating wheel; 310. A hub;
320. a fan blade; 330. A rotating shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1 to 5, there is provided a blower fan including:
the air duct casing 100, a flow guide channel 110 is formed in the hollow cavity of the air duct casing 100, and an air inlet 120 and an air outlet 130 communicated with the flow guide channel 110 are respectively arranged at two opposite ends of the air duct casing 100;
the wind energy driving assembly 200 is accommodated in the diversion channel 110 and is arranged adjacent to the air inlet 120, and the wind energy driving assembly 200 is fixedly connected with the inner wall of the air duct shell 100;
the fan blade rotating wheel 300 is accommodated in the flow guide channel 110 and located on one side of the wind energy driving assembly 200 facing the air outlet 130, the fan blade rotating wheel 300 is coaxially and rotatably connected to the wind energy driving assembly 200 along the axial direction of the air duct housing 100, and the rotation central axis of the fan blade rotating wheel 300 is parallel to the air inlet direction of the air inlet 120; when the fan blade wheel 300 is driven by the wind energy driving assembly 200 to rotate, a pressurized airflow flowing from the air inlet 120 to the air outlet 130 is generated in the flow guide channel 110;
wherein the wind driven assembly 200 includes a motor mounting bracket 210 and a drive motor 220; the motor mounting bracket 210 is accommodated in the flow guide channel 110 and is fixedly connected with the inner wall of the air duct housing 100, and a mounting cavity seat 211 coaxially arranged with the air duct housing 100 is arranged in the middle of the motor mounting bracket 210; the driving motor 220 is fixedly installed in the installation cavity seat 211, and an output shaft of the driving motor 220 extends out of the installation cavity seat 211 and is connected with the fan blade rotating wheel 300.
Specifically, in the blower fan of the present invention, the connection structure between the fan blade rotating wheel 300, the wind energy driving assembly 200 and the air duct casing 100 is improved, wherein the motor mounting bracket 210 of the wind energy driving assembly 200 is fixedly connected to the inner wall of the air duct casing 100, and the driving motor 220 is fixedly mounted in the mounting cavity seat 211 at the middle of the motor mounting bracket 210, so that the driving motor 220 is better fixed on the motor mounting bracket 210, and the output shaft of the driving motor 220 extends out of the mounting cavity seat 211 and is connected to the fan blade rotating wheel 300, so that the fan blade rotating wheel 300 is better fixed on the output shaft of the driving motor 220, thereby effectively improving the concentricity of mounting the fan blade rotating wheel 300 and improving the reliability of mounting the fan blade rotating wheel 300, meanwhile, the fan blade rotating wheel 300 and the driving motor 220 are prevented from falling off from the air duct shell 100 when running at a high speed, and the safety and the reliability of the hair dryer during use are improved.
In another embodiment of the present invention, as shown in fig. 2 and 5, the motor mounting bracket 210 is provided with a support bracket 212 at the periphery of the mounting cavity seat 211, the outer end of the support bracket 212 is integrally connected with the inner wall of the air duct housing 100, and the inner end of the support bracket 212 is integrally connected with the mounting cavity seat 211.
The support frame 212 is a radiation strip structure, and any one of the radiation strips is provided with a wiring slot 213 through which a wire can be passed.
Specifically, the air duct shell 100, the support frame 212 and the mounting cavity base 211 are integrally formed and connected, so that the air duct shell 100, the support frame 212 and the mounting cavity base 211 form a whole, the mounting step is omitted, the production efficiency is improved, and the mold cost is reduced. In addition, the wiring groove 213 formed on the supporting frame 212 can protect the lead wire connected to the driving motor 220, thereby avoiding being involved by the fan blade rotating wheel 300, and greatly improving the safety.
In another embodiment of the present invention, as shown in FIGS. 4-5, the blade wheel 300 includes a hub 310 and fan blades 320; the hub 310 is assembled on the output shaft of the driving motor 220, the plurality of fan blades 320 are distributed on the outer periphery of the hub 310 in an annular array, and the plurality of fan blades 320 and the hub 310 are integrally formed. Specifically, the fan blade 320 and the hub 310 are formed at one time, so that the connection stability is ensured, the dimensional accuracy of the fan blade 320 is ensured more easily, cracks or fractures of the fan blade 320 are avoided, and the reliability and the service life of the fan blade rotating wheel 300 are improved.
Further, a center of the hub 310 is formed to protrude downward with a rotation shaft 330 for being fitted on an output shaft of the driving motor 220.
Furthermore, the hub 310 is a hollow cylindrical barrel, the rear end of which is open and the front end of which is closed, so as to form a hub cavity; the rotating shaft 330 is fixedly connected to the center of the hub 310 and is received in the hub cavity.
In another embodiment of the present invention, as shown in fig. 4 to 5, the fan blade 320 has a curvature variation in both the rotational direction and the axial direction, and the blade leading edge and the blade trailing edge of the fan blade 320 extend from the blade root to the blade tip in a curved manner in the rotational direction; the pressurized airflow enters from the front edge of the fan blade 320 and exits from the rear edge of the fan blade 320. Specifically, on one hand, the curved design of the fan blades 320 in both the rotation direction and the axial direction can ensure that after airflow passes through the surfaces of the fan blades 320, uniform airflow separation is performed at the positions of the rear edges of the fan blades 320, so that the outlet air of the blower fan is more uniform, the energy efficiency of a wind wheel can be effectively improved, the consumption is reduced, and the environment is protected. On the other hand, the blade leading edge and the blade trailing edge of the fan blade 320 extend axially, so that the pressure distribution on the surface of the fan blade 320 is more uniform, the flow loss is reduced, and the energy efficiency ratio of the wind wheel is further improved.
Further, the fan blade 320 extends horizontally from the root to the outside along an arc, so that the front and the back of the fan blade 320 are both arc-shaped and planar. That is, the root and tip of the fan blade 320 are both arc-shaped edges. For ease of understanding, the arc-shaped horizontal extension of the fan blades 320 in this embodiment has a gradual smooth transition between 23 ° and 88 °.
Furthermore, a wind cutting surface is disposed on one side of the outer edge of the upper portion of the fan blade 320, and a wind inlet surface is disposed on one side of the outer edge of the lower portion of the fan blade 320. Specifically, the air inlet and outlet time of the fan blade 320 is different between any two points on the wind cutting surface and the air inlet surface, so that an air supply time difference is generated, and the blown air area is wider and softer. In addition, the air supply time difference is utilized to enable each air supply tangent point to reach in a staggered mode, the air supply area is gradually increased along the air supply direction, and the noise can be effectively reduced.
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 are intended to be included within the scope of the present invention.
Claims (9)
1. A blower fan, comprising:
the air duct shell is characterized in that a flow guide channel is formed in the hollow cavity of the inner cavity of the air duct shell, and an air inlet and an air outlet which are communicated with the flow guide channel are respectively arranged at two opposite ends of the air duct shell;
the wind energy driving assembly is accommodated in the flow guide channel and is arranged close to the air inlet, and the wind energy driving assembly is fixedly connected with the inner wall of the air duct shell;
the fan blade rotating wheel is accommodated in the flow guide channel and is positioned on one side, facing the air outlet, of the wind energy driving assembly, the fan blade rotating wheel is coaxially and rotatably connected to the wind energy driving assembly along the axis direction of the air duct shell, and the rotating central shaft of the fan blade rotating wheel is parallel to the air inlet direction of the air inlet; when the fan blade rotating wheel is driven to rotate by the wind energy driving component, pressurized airflow flowing from the air inlet to the air outlet is generated in the flow guide channel;
wherein the wind driven assembly comprises a motor mounting bracket and a drive motor; the motor mounting bracket is accommodated in the flow guide channel and is fixedly connected with the inner wall of the air duct shell, and the middle part of the motor mounting bracket is provided with a mounting cavity seat which is coaxial with the air duct shell; the driving motor is fixedly installed in the installation cavity seat, and an output shaft of the driving motor extends out of the installation cavity seat and is connected with the fan blade rotating wheel.
2. The blower fan of claim 1, wherein: the motor installing support is in the periphery of installation cavity seat is provided with the support frame, the outer end of support frame with the inner wall integrated into one piece of dryer casing is connected, the inner of support frame with installation cavity seat integrated into one piece is connected.
3. The blower fan of claim 2, wherein: the support frame is a radiation strip-shaped structure, and a wiring groove capable of being penetrated by a wire is formed in any one radiation strip.
4. The blower fan of claim 1, wherein: the fan blade rotating wheel comprises a hub and fan blades; the hub is assembled on an output shaft of the driving motor, the fan blades are distributed on the outer periphery of the hub in an annular array, and the fan blades and the hub are integrally formed.
5. The blower fan of claim 4, wherein: the center of the hub is formed with a rotating shaft protruding downward for fitting on the output shaft of the drive motor.
6. The blower fan of claim 5, wherein: the hub is a hollow cylindrical barrel, the rear end of the hub is open, and the front end of the hub is closed to form a hub cavity; the rotating shaft is fixedly connected to the center of the hub and is accommodated in the hub cavity.
7. The blower fan of claim 4, wherein: the fan blade has bending change in the rotating direction and the axial direction, and the blade leading edge and the blade trailing edge of the fan blade extend from the blade root to the blade tip in a bending way in the rotating direction; the pressurized airflow enters from the front edge of the fan blade and exits from the rear edge of the fan blade.
8. The blower fan of claim 7, wherein: the fan blade is horizontally extended and molded from the root part to the outside along an arc line so that the front surface and the back surface of the fan blade are both arc-shaped and plane-shaped.
9. The blower fan of claim 8, wherein: and one side of the outer edge of the upper part of the fan blade is a wind cutting surface, and one side of the outer edge of the lower part of the fan blade is an air inlet surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574114.5U CN216554512U (en) | 2021-10-25 | 2021-10-25 | Fan of hair drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574114.5U CN216554512U (en) | 2021-10-25 | 2021-10-25 | Fan of hair drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554512U true CN216554512U (en) | 2022-05-17 |
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ID=81568759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122574114.5U Active CN216554512U (en) | 2021-10-25 | 2021-10-25 | Fan of hair drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977974A (en) * | 2022-09-06 | 2023-04-18 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
-
2021
- 2021-10-25 CN CN202122574114.5U patent/CN216554512U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977974A (en) * | 2022-09-06 | 2023-04-18 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
| CN115977974B (en) * | 2022-09-06 | 2023-10-13 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
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