CN218563946U - Double air outlet structure of fan - Google Patents
Double air outlet structure of fan Download PDFInfo
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- CN218563946U CN218563946U CN202222104592.4U CN202222104592U CN218563946U CN 218563946 U CN218563946 U CN 218563946U CN 202222104592 U CN202222104592 U CN 202222104592U CN 218563946 U CN218563946 U CN 218563946U
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- air guide
- fan
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Abstract
The utility model discloses a two air-out structures of fan, include: the mounting shell is of a hollow structure; the first air outlet assembly comprises a first fan blade, a stator and a rotor, the stator is fixedly arranged on the outer peripheral wall of the mounting shell, the rotor is fixedly connected with the first fan blade, and the stator is used for driving the rotor to rotate and driving the first fan blade to rotate; the second air-out subassembly, including second flabellum and rotating electrical machines, in installation shell was all arranged in to second flabellum and rotating electrical machines, the rotating electrical machines was connected and was driven the second flabellum and rotate, and the air-out side of first flabellum and the air-out side of second flabellum are the same one side of installation shell. First flabellum is the air-out in the periphery, and the second flabellum is the air-out at the middle part, and two air-out mechanisms can holistic increase air output to, first flabellum is direct fixed with the rotor, need not through the motor shaft switching, and the structure is more simple, and the noise is less during the operation.
Description
Technical Field
The utility model relates to a fan technical field, in particular to two air-out structures of fan.
Background
The fan is a tool for cooling by generating wind in hot days. The electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan rotates after being electrified, so that mechanical energy is converted into wind energy, and the electric fan is converted into natural wind to achieve a cooling effect. In the related art, the fan blade is connected with a motor shaft of the motor, generally, air is discharged from the periphery of the fan blade, and air cannot be discharged from the middle of the fan blade. In some related arts, if the axial flow fan is to deliver a large amount of air, the rotational speed of the motor needs to be increased, and a phenomenon of generating a large noise occurs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a two air-out structures of fan, two air-out structures of fan can not only be in the periphery air-out, also can increase the air output at the middle part air-out to, first flabellum is direct fixed with the rotor, need not through the motor shaft switching, and the structure is more simple, and the noise is less during the operation.
According to the utility model discloses two air-out structures of fan, include:
the mounting shell is of a hollow structure;
the first air outlet assembly comprises a first fan blade, a stator and a rotor, the stator is fixedly arranged on the outer peripheral wall of the mounting shell, the rotor is fixedly connected with the first fan blade, and the stator is used for driving the rotor to rotate and driving the first fan blade to rotate;
the second air-out subassembly, including second flabellum and rotating electrical machines, the second flabellum with rotating electrical machines all arranges in the installation shell, rotating electrical machines connects and drives the second flabellum rotates, the air-out side of first flabellum with the air-out side of second flabellum is the same one side of installation shell.
According to the utility model discloses two air-out structures of fan has following beneficial effect at least: first flabellum is at the periphery air-out, and the second flabellum is at the air-out of middle part, and two air-out mechanisms can holistic increase air output to, first flabellum is direct fixed with the rotor, need not through the motor shaft switching, and the structure is more simple, and the noise is less during the operation.
According to two air-out structures of fan, the rotor centers on the stator is arranged, the outer wall of rotor with first flabellum interference fit.
According to two air-out structures of fan, the rotor includes the magnetic ring, the inner wall of first flabellum is provided with the constant head tank, the magnetic ring install in the constant head tank.
According to two air-out structures of fan, the inner wall of first flabellum is provided with the mounting groove, the bearing is installed to the mounting groove, the installation shell is worn to locate the inner ring of bearing.
Two air-out structures of fan, be provided with first air guide in the installation shell, the rotating electrical machines install in the air-out side of second flabellum, first air guide is located the rotating electrical machines deviates from one side of second flabellum, the rotating electrical machines with the inner wall of installation shell has the ventilation chamber, first air guide has first wind-guiding groove, one side and the ventilation chamber intercommunication in first wind-guiding groove, the other end and the outside intercommunication of installation shell.
According to two air-out structures of fan, first air guide is cylindric, a plurality of first aviation baffles have evenly been arranged to first air guide's circumference, adjacent two form between the first aviation baffle first wind-guiding groove.
According to two air-out structures of fan, the chamber wall in ventilation chamber is provided with first wind-guiding face, first wind-guiding face is located the ventilation chamber with the department of meeting in first wind-guiding groove.
According to two air-out structures of fan, the air-out side of second flabellum still is provided with the second air guide, the second air guide is equipped with the second wind-guiding groove, the second wind-guiding groove centers on the rotating electrical machines sets up, the second wind-guiding groove deviates from one side of second flabellum with the chamber intercommunication ventilates.
According to two air-out structures of fan, the chamber wall in ventilation chamber is provided with second wind guide surface, second wind guide surface is located the ventilation chamber with the department of meeting in second wind guide groove.
According to two air-out structures of fan, the ventilation hole has been seted up to the lateral wall of installation shell, the ventilation hole is located the air inlet side of second flabellum and with second flabellum intercommunication.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an explosion schematic view of a double air outlet structure of a fan according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a dual air outlet structure of a fan according to an embodiment of the present invention;
fig. 3 is the utility model discloses the overall structure schematic diagram of two air-out structures of fan.
The reference numbers illustrate:
a mounting case 100; a ventilation chamber 101; a first air guide surface 1011; a second wind guide surface 1012; a vent hole 102; a first air guide 110; a first air deflector 111; a first air guiding groove 1111; a second air guide 120; a second air guiding groove 121;
the first air outlet assembly 200; a first fan blade 210; a positioning groove 211; a mounting groove 212; a stator 220; a rotor 230; a magnetic ring 231; a magnet 232; a bearing 240;
the second air outlet assembly 300; a second fan blade 310; the motor 320 is rotated.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
As shown in fig. 1 to fig. 3, according to the utility model discloses two air-out structures of fan, including installation shell 100, first air-out subassembly 200 and second air-out subassembly 300 are installed in installation shell 100. Wherein, the installation shell 100 is a hollow structure, and the first air outlet assembly 200 is used for the outside air outlet, and the second air outlet assembly 300 is used for the inside air outlet. Specifically, the first outlet assembly 200 includes a first fan blade 210, a stator 220 and a rotor 230, and the stator 220 is fixedly mounted on the outer peripheral wall of the mounting casing 100. The rotor 230 is fixedly connected to the first blade 210, and the stator 220 is used for driving the rotor 230 to rotate and driving the first blade 210 to rotate. The second air outlet assembly 300 includes a second fan blade 310 and a rotating electrical machine 320, and both the second fan blade 310 and the rotating electrical machine 320 are disposed in the mounting case 100. The rotating motor 320 is connected to and drives the second fan blade 310 to rotate, and the air outlet side of the first fan blade 210 and the air outlet side of the second fan blade 310 are both the same side of the mounting case 100.
It should be noted that, the first fan blade 210 exhausts air at the periphery, the second fan blade 310 exhausts air at the middle part, the double-exhaust mechanism can increase the air output integrally, and the first fan blade 210 is directly fixed with the rotor 230, and does not need to be connected by a motor shaft, so that the structure is simpler, and the noise is lower during operation.
Specifically, the rotor 230 is disposed around the stator 220, and an outer wall of the rotor 230 is interference-fitted with the first fan blade 210. By adopting the structural form of the outer rotor 230 motor, the first fan blade 210 is directly in interference fit with the rotor 230, and the installation is more convenient. Further, the rotor 230 includes a magnet and a magnetic ring 231, the magnetic ring 231 is sleeved on the magnet and fixed with the magnet, the inner wall of the first fan blade 210 is provided with a positioning slot 211, and the magnetic ring 231 is installed in the positioning slot 211, so that the installation positions of the rotor 230 and the first fan blade 210 are more accurate.
In some embodiments, as shown in fig. 2, the inner wall of the first blade 210 is provided with a mounting groove 212, the mounting groove 212 is provided with a bearing 240, and the mounting shell 100 is inserted into an inner ring of the bearing 240, so that the first blade 210 and the mounting shell 100 are rotatably matched through the bearing 240, the rotation is smoother, and the generated noise is less.
Referring to fig. 1 and 2, a first air guide 110 is disposed in the mounting case 100, the rotating electrical machine 320 is mounted on the air outlet side of the second fan blade 310, and the first air guide 110 is located on a side of the rotating electrical machine 320 departing from the second fan blade 310. The rotating motor 320 is mounted on the first air guide 110, the inner walls of the rotating motor 320 and the mounting shell 100 are provided with the ventilation cavity 101, the first air guide 110 is provided with the first air guide groove 1111, one side of the first air guide groove 1111 is communicated with the ventilation cavity 101, the other end of the first air guide groove 1111 is communicated with the outside of the mounting shell 100, the whole structure is more compact, and the airflow generated by the second fan blade 310 flows to the outside of the mounting shell 100 through the first air guide groove 1111, so that the flow direction of the air in the air outlet process can be controlled.
In some embodiments, the first air guide 110 is cylindrical, the plurality of first air guide plates 111 are uniformly arranged in the circumferential direction of the first air guide 110, and a first air guide groove 1111 is formed between two adjacent first air guide plates 111, that is, the plurality of first air guide grooves 1111 are uniformly arranged in the circumferential direction of the first air guide 110, and can guide out the air flow generated by the second fan blade 310 from the vertical direction, so that the air is discharged vertically from the middle of the mounting case 100 and is matched with the air discharged from the outer periphery of the first fan blade 210, thereby better blowing air to a user. Furthermore, a first air guide surface 1011 is arranged on the cavity wall of the ventilation cavity 101, and the first air guide surface 1011 is located at the joint of the ventilation cavity 101 and the first air guide groove 1111, so that air can better flow from the ventilation cavity 101 to the first air guide groove 1111.
In some embodiments of the present invention, referring to fig. 1 and fig. 2 again, the air outlet side of the second fan blade 310 is provided with a second air guide 120, the second air guide 120 is provided with a second air guiding groove 121, the second air guiding groove 121 is disposed around the rotating electrical machine 320, and one side of the second air guiding groove 121 departing from the second fan blade 310 is communicated with the ventilation cavity 101. It is easy to understand that the second air guiding groove 121 is disposed around the rotating electrical machine 320, so that the wind of the second fan blade 310 can be prevented from directly impacting the outer wall of the rotating electrical machine 320 to cause the loss of the wind force. For example, the second air guide 120 is mounted on the end surface of the rotating electrical machine 320 facing the motor shaft side by a screw (not shown in the figure), a plurality of blades are uniformly arranged in the circumferential direction of the second air guide 120, and a through groove is formed between adjacent blades, it is easy to understand that the air blown by the second fan blade 310 is an annular air duct after passing through the through groove, therefore, it can be understood that the plurality of through grooves jointly form an annular second air guiding groove 121, and the second air guiding groove 121 is arranged around the rotating electrical machine 320.
Similar to the first wind guiding surface 1011, in the present invention, the wall of the ventilation cavity 101 is provided with the second wind guiding surface 1012, and the second wind guiding surface 1012 is located at the joint of the ventilation cavity 101 and the second wind guiding groove 121, so that the wind of the second fan blade 310 flows to the ventilation cavity 101.
Optionally, the first wind guiding surface 1011 and the second wind guiding surface 1012 are both arc-shaped surfaces extending along the circumferential direction of the mounting case 100.
Referring to fig. 1 to 3, a side wall of the mounting housing 100 is provided with a vent hole 102, and the vent hole 102 is located on an air inlet side of the second fan blade 310 and is communicated with the second fan blade 310. When the upper wall surface of the mounting case 100 is attached to a wall, air is input through the vent hole 102, and air flow passes through the second air guiding groove 121, the ventilation cavity 101, and the first air guiding groove 1111 in sequence by the second fan blade 310, and then is output from the middle of the mounting case 100.
It should be noted that a through hole (not shown) through which a power cord of the rotating electric machine 320 passes is formed in the wall of the ventilation chamber 101, and the rotating electric machine 320 can be electrically driven by external wiring.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. Two air-out structures of fan, its characterized in that includes:
the mounting shell is of a hollow structure;
the first air outlet assembly comprises a first fan blade, a stator and a rotor, the stator is fixedly arranged on the outer peripheral wall of the mounting shell, the rotor is fixedly connected with the first fan blade, and the stator is used for driving the rotor to rotate and driving the first fan blade to rotate;
the second air-out subassembly, including second flabellum and rotating electrical machines, the second flabellum with rotating electrical machines all arranges in the installation shell, rotating electrical machines connects and drives the second flabellum rotates, the air-out side of first flabellum with the air-out side of second flabellum is the same one side of installation shell.
2. The double-air-outlet fan structure of claim 1, wherein: the rotor is arranged around the stator, and the outer wall of the rotor is in interference fit with the first fan blade.
3. The double-outlet fan structure of claim 2, wherein: the rotor comprises a magnetic ring, a positioning groove is formed in the inner wall of the first fan blade, and the magnetic ring is installed in the positioning groove.
4. The double-outlet fan structure of claim 2, wherein: the inner wall of first flabellum is provided with the mounting groove, the bearing is installed to the mounting groove, the installation shell wears to locate the inner ring of bearing.
5. The double-air-outlet structure of the fan as claimed in claim 1, wherein: the air-out side of the second fan blade is provided with a first air guide piece, the rotary motor is installed on the air-out side of the second fan blade, the first air guide piece is located on one side, deviated from the second fan blade, of the rotary motor, the inner wall of the rotary motor and the inner wall of the installation shell are provided with a ventilation cavity, the first air guide piece is provided with a first air guide groove, one side of the first air guide groove is communicated with the ventilation cavity, and the other end of the first air guide groove is communicated with the outside of the installation shell.
6. The double-air-outlet structure of the fan as claimed in claim 5, wherein: the first air guide part is cylindrical, a plurality of first air guide plates are uniformly arranged in the circumferential direction of the first air guide part, and a first air guide groove is formed between every two adjacent first air guide plates.
7. The double-air-outlet structure of the fan as claimed in claim 6, wherein: the wall of the ventilation cavity is provided with a first air guide surface, and the first air guide surface is located at the joint of the ventilation cavity and the first air guide groove.
8. The double-air-outlet structure of the fan as claimed in claim 5, wherein: the air outlet side of the second fan blade is further provided with a second air guide piece, the second air guide piece is provided with a second air guide groove, the second air guide groove surrounds the rotating motor, and one side, deviating from the second fan blade, of the second air guide groove is communicated with the ventilation cavity.
9. The double-outlet fan structure of claim 8, wherein: and a second air guide surface is arranged on the wall of the ventilation cavity and is positioned at the joint of the ventilation cavity and the second air guide groove.
10. The double-air-outlet structure of the fan as claimed in claim 1, wherein: the lateral wall of installation shell has seted up the ventilation hole, the ventilation hole is located the air inlet side of second flabellum and with the second flabellum intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222104592.4U CN218563946U (en) | 2022-08-10 | 2022-08-10 | Double air outlet structure of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222104592.4U CN218563946U (en) | 2022-08-10 | 2022-08-10 | Double air outlet structure of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563946U true CN218563946U (en) | 2023-03-03 |
Family
ID=85309637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222104592.4U Active CN218563946U (en) | 2022-08-10 | 2022-08-10 | Double air outlet structure of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563946U (en) |
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2022
- 2022-08-10 CN CN202222104592.4U patent/CN218563946U/en active Active
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