CN216788821U - Fan with noise reduction structure - Google Patents
Fan with noise reduction structure Download PDFInfo
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- CN216788821U CN216788821U CN202122532596.8U CN202122532596U CN216788821U CN 216788821 U CN216788821 U CN 216788821U CN 202122532596 U CN202122532596 U CN 202122532596U CN 216788821 U CN216788821 U CN 216788821U
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Abstract
The utility model is suitable for the technical field of the blower, has provided a blower with noise reduction structure, including the electrical machinery, the said blower also includes: the fan blade assembly is arranged at the front end of the motor; the front shell is arranged at the front end of the fan blade assembly, and the middle part of the front shell is provided with an air inlet; the middle shell is arranged at the rear end of the motor, and an arc-shaped structure is arranged on the side edge of the middle shell; the rear shell is arranged at the rear end of the middle shell and provided with an inwards concave structure, a plurality of first air outlets are arranged at the bottom of the inwards concave structure, and a plurality of second air outlets are arranged on the side edge of the bottom. Therefore, the fan with the noise reduction structure provided by the utility model reduces the noise generated when the fan runs.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a fan with a noise reduction structure.
Background
The existing fan is in the operation process, the motor is started to generate vibration, so that large noise can be generated, the noise very influences the experience of an operator and the mood of peripheral people, and the ears are damaged for a long time, so that the physical and mental health of the operator and the peripheral people is influenced.
And to the problem that above-mentioned provided, current fan design does not have fine design improvement.
In view of the above, the conventional fan structure has many problems in practical use, and therefore, needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, an object of the present invention is to provide a fan with a noise reduction structure to reduce noise generated during operation of the fan.
In order to achieve the above object of the present invention, the present invention provides a fan with a noise reduction structure, including a motor, the fan further including:
the fan blade assembly is arranged at the front end of the motor;
the front shell is arranged at the front end of the fan blade assembly, and the middle part of the front shell is provided with an air inlet;
the middle shell is arranged at the rear end of the motor, and an arc-shaped structure is arranged on the side edge of the middle shell;
the rear shell is arranged at the rear end of the middle shell and provided with an inwards concave structure, a plurality of first air outlets are arranged at the bottom of the inwards concave structure, and a plurality of second air outlets are arranged on the side edge of the bottom.
According to the fan, the bottom of the rear shell is positioned in the middle of the rear shell, and the bottom of the rear shell is provided with an opening.
According to the fan, a PCB control panel is fixed at the opening.
According to the fan, the plurality of first air outlets are arranged around the central point of the bottom of the rear shell; the first air outlets are arranged around the first air outlets.
According to the fan, the motor and the fan blade set form a rotating structure through a shaft rod.
According to the fan, the motor is in threaded connection with the shaft rod.
According to the fan, the motor, the fan blades and the PCB control panel are connected into an integrated structure through a fixed connecting piece.
According to the fan, the fan blade assembly comprises a fan blade and a fan cover, the fan blade is arranged at the front end of the motor, and the fan cover is arranged at the front end of the fan blade.
According to the fan, the number of the first air outlets is 3; the first air outlet hole is circular.
The utility model sets the fan with the noise reduction structure as the fan further comprising: the fan blade assembly is arranged at the front end of the motor; the front shell is arranged at the front end of the fan blade assembly, and the middle part of the front shell is provided with an air inlet; the middle shell is arranged at the rear end of the motor, and an arc-shaped structure is arranged on the side edge of the middle shell; and the rear shell is arranged at the rear end of the middle shell and is provided with an inwards concave structure, a plurality of first air outlets are arranged at the bottom of the inwards concave structure, and a plurality of second air outlets are arranged at the side edge of the bottom. From this through the inside wind of quick discharge fan between first exhaust vent and the second air outlet, reduced the noise that wind brought when the inside high-speed operation of fan, the noise that produces when such mode can be fine when moving whole fan effectively gets rid of to can not cause the influence to operator's ear.
Drawings
Fig. 1 is a schematic perspective view of a fan with a noise reduction structure according to an embodiment of the present invention;
FIG. 2 is an exploded view of a fan having a noise reduction structure according to an embodiment of the present invention;
fig. 3 is a structural schematic diagram of a fan with a noise reduction structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and do not limit the utility model.
Referring to fig. 1 to 3, in an embodiment of the present invention, there is provided a fan 100 having a noise reduction structure, including a motor 10, the fan 100 further including:
the fan blade assembly 20 is arranged at the front end of the motor 10; the rotation of the fan assembly 20 will drive the air flow. Optionally, the fan assembly 20 includes a fan 21 and a fan housing 22, the fan 21 is disposed at the front end of the motor 10, and the fan housing 22 is covered at the front end of the fan 21;
the front shell 30 is arranged at the front end of the fan blade assembly 20, and the middle part of the front shell 30 is provided with an air inlet 31; the front shell 30 is covered at the front end of the fan blade assembly 20, and an air inlet is used as an air inlet to enter the fan 100 with the noise reduction structure;
the middle shell 40 is arranged at the rear end of the motor 10, and an arc-shaped structure 41 is arranged on the side edge of the middle shell 40;
the rear shell 50 is disposed at the rear end of the middle shell 40, and the rear shell 50 has a concave structure, a plurality of first air outlets 51 are disposed at the bottom of the concave structure, and a plurality of second air outlets 52 are disposed at the side of the bottom.
In this embodiment, wind enters the middle shell 40 through the wind inlet 31 of the front shell 30, the arc structure 41 is arranged on the side of the middle shell 40, due to the arc, the wind flows to the rear shell 50 through the middle shell 40 along with the arc of the middle shell 40, an air channel is formed between the rear shell 50 and the middle shell 40, and the arc structure 41 of the middle shell 40 can shield the wind direction, so that the wind flow cannot be deflected. The second air outlet 52 is arranged on the side of the rear shell 50 and the first air outlet 51 at the bottom of the rear shell 50 is used for discharging air, so that the speed of flapping the air is increased, and the noise caused by the air is reduced. The problem of current fan 100 in the operation process, because the start-up of motor 10 produces vibration and consequently can cause great noise, these noises very influence operator's experience and surrounding personage's mood, and the time has long led to the fact the damage to the ear and consequently influenced operator and surrounding personage's physical and mental health is solved. Optionally, the number of the first air outlets 51 is 3.
Referring to fig. 1 to 3, in one embodiment of the present invention, the bottom of the rear case 50 is located at the middle of the rear case 50, and the bottom of the rear case 50 has an opening 54. A PCB control board 60 is secured to the opening 54. In addition, a plurality of first outlet ports 51 are provided around the bottom center point of the rear case 50; the first air outlets 53 are disposed around the first air outlets 51.
Preferably, the motor 10 forms a rotating structure with the fan blade 21 through a shaft. The motor 10 is threadedly connected to the shaft. Other connection means are of course possible. The motor 10, the fan blade 21 and the PCB control board 60 are connected into an integrated structure through a fixed connecting piece; such as a threaded connection or the like. After assembly, the fan 100 with the noise reduction structure is shaped like a cylinder.
Referring to fig. 1 to 3, in an embodiment of the present invention, a middle case 40 and a rear case 50 are wrapped outside a motor 10, a PCB control board 60 is fixedly connected to the bottom of the motor 10, the middle of the rear case 50 is recessed, that is, has a concave structure, and a second air outlet 52 is disposed at a side of the recessed bottom of the rear case 50 for dissipating heat of the PCB control board 60. The bottom of the rear shell 50 is further provided with a first air outlet 51, and the bottom of the rear shell 50 is provided with a plurality of first air outlet holes 53, so that air entering the fan 100 can pass through the first air outlet holes more conveniently. The air inlet 31 is arranged in the middle of the front shell 30, air enters the middle shell 40 through the air inlet 31 of the front shell 30, the radian is arranged on the side of the middle shell 40, the air flows to the rear shell 50 along with the radian structure of the middle shell 40 through the middle shell 40, an air channel is formed between the rear shell 50 and the middle shell 40, the wind direction can be shielded by the radian of the middle shell 40, so that the wind flow can not deviate, the air is discharged through the second air outlet 52 arranged on the side of the rear shell 50 and the first air outlet 53 arranged at the bottom of the rear shell 50, and the first air outlet 53 can be a circular air outlet optionally.
In addition, in the blower 100 having a noise reduction structure according to the present invention, the PCB control board 60 is installed in the middle of the rear case 50 through the PCB control board 60 installed at the rear portion of the motor 10, the middle portion of the rear case 50 is recessed, and the recessed bottom of the rear case 50 is provided with the second air outlet 52 for heat dissipation of the PCB control board 60, such that heat dissipation during the operation of the PCB control board 60 is facilitated.
In summary, the fan with the noise reduction structure further comprises: the fan blade assembly is arranged at the front end of the motor; the front shell is arranged at the front end of the fan blade assembly, and the middle part of the front shell is provided with an air inlet; the middle shell is arranged at the rear end of the motor, and an arc-shaped structure is arranged on the side edge of the middle shell; and the rear shell is arranged at the rear end of the middle shell and is provided with an inwards concave structure, a plurality of first air outlets are arranged at the bottom of the inwards concave structure, and a plurality of second air outlets are arranged at the side edge of the bottom. From this through the inside wind of quick discharge fan between first exhaust vent and the second air outlet, reduced the noise that wind brought when the inside high-speed operation of fan, the noise that produces when the operation of whole fan that such mode can be fine is effectively got rid of to can not cause the influence to operator's ear.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (9)
1. The utility model provides a fan with noise reduction structure, includes the motor, its characterized in that, the fan still includes:
the fan blade assembly is arranged at the front end of the motor;
the front shell is arranged at the front end of the fan blade assembly, and the middle part of the front shell is provided with an air inlet;
the middle shell is arranged at the rear end of the motor, and an arc-shaped structure is arranged on the side edge of the middle shell;
the backshell, set up in the rear end of mesochite, and the backshell has the indent structure, the bottom of indent structure is provided with a plurality of first air outlets the side of bottom is equipped with a plurality of second air outlets.
2. The blower of claim 1, wherein the bottom of the rear housing has an opening.
3. The blower of claim 2, wherein a PCB control panel is secured to the opening.
4. The blower of claim 2, wherein the first plurality of air outlets are disposed around a bottom center point of the rear housing; the first air outlets are arranged around the first air outlets.
5. The fan of claim 1, wherein the motor and the set of blades form a rotating structure via a shaft.
6. The blower of claim 5, wherein the motor is threadably coupled to the shaft.
7. The fan of claim 4, wherein the motor, the fan blades and the PCB control panel are connected into an integrated structure through a fixed connecting piece.
8. The fan as claimed in claim 1, wherein the fan blade assembly includes a fan blade and a fan housing, the fan blade is disposed at a front end of the motor, and the fan housing is disposed at a front end of the fan blade.
9. The fan of claim 2, wherein the number of the first air outlets is 3; the first air outlet hole is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532596.8U CN216788821U (en) | 2021-10-20 | 2021-10-20 | Fan with noise reduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532596.8U CN216788821U (en) | 2021-10-20 | 2021-10-20 | Fan with noise reduction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788821U true CN216788821U (en) | 2022-06-21 |
Family
ID=81998265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122532596.8U Active CN216788821U (en) | 2021-10-20 | 2021-10-20 | Fan with noise reduction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788821U (en) |
-
2021
- 2021-10-20 CN CN202122532596.8U patent/CN216788821U/en active Active
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