CN212376981U - Vibration reduction type axial flow fan - Google Patents
Vibration reduction type axial flow fan Download PDFInfo
- Publication number
- CN212376981U CN212376981U CN202020896745.1U CN202020896745U CN212376981U CN 212376981 U CN212376981 U CN 212376981U CN 202020896745 U CN202020896745 U CN 202020896745U CN 212376981 U CN212376981 U CN 212376981U
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- Prior art keywords
- vibration
- damping
- plate
- blade
- vibration damping
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- Expired - Fee Related
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- 238000013016 damping Methods 0.000 claims abstract description 66
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model discloses a damping type axial fan, its technical scheme main points are including the dryer that is the cylinder, arrange the motor on the dryer in, install the blade on the motor output shaft and arrange the fixed plate on the dryer in, a serial communication port, be equipped with the damping support between dryer and the fixed plate, the damping support includes mounting panel, damping plate, a plurality of damping post of arranging just align to grid on arranging the fixed plate in and arrange damping plate both sides in and cup joint the spring on the damping post, the blade includes root and outer fringe, the blade is equipped with the first strengthening rib of arranging in on the root in, the blade is equipped with the second strengthening rib of arranging in the first strengthening rib, provides an axial fan simple structure, low noise, little vibration.
Description
Technical Field
The utility model belongs to the technical field of the ventilation cooling, especially, relate to a damping type axial fan.
Background
The axial flow fan is also called a local fan, is a fan commonly used by industrial and mining enterprises, is different from a common fan, has a motor and fan blades in a cylinder, has a cylindrical shape, is used for local ventilation, is convenient to install, has obvious ventilation and air exchange effects, is safe, can be connected with the cylinder to send air to a designated area, but the existing axial flow fan has the phenomena of vibration and noise generation, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide an axial fan that simple structure, low noise, vibration are little.
The purpose of the utility model is realized like this: the utility model provides a damping type axial fan, is including the dryer that is the cylinder, arrange the motor on the dryer in, install the blade on motor output shaft and arrange the fixed plate on the dryer in, be equipped with the damping support between dryer and the fixed plate, the damping support includes mounting panel, damping plate, a plurality of damping post of arranging in on the fixed plate and align to grid and arrange damping plate both sides in and cup joint the spring on the damping post, the blade includes root and outer fringe, the blade is equipped with arranges the first strengthening rib on the root in, the blade is equipped with the second strengthening rib of arranging in first strengthening rib.
By adopting the technical scheme, a vibration damping support is arranged between the air duct and the fixed plate, the vibration damping support comprises a support plate, a vibration damping plate, a plurality of vibration damping columns which are arranged on the fixed plate and are uniformly arranged, and springs which are arranged on two sides of the vibration damping plate and are sleeved on the vibration damping columns, the blades in the air duct rotate under the driving of a motor and can generate vibration, the vibration of the air duct is reduced through the vibration damping support, the support plate is used for connecting the air duct and the vibration damping plate, so that the installation is convenient and stable, the support plate and the vibration damping plate are integrally connected, the structure is stable, the springs are sleeved on the vibration damping columns, the contact area between the vibration damping plate and the springs is increased, the stress is more uniform through the whole vibration damping plate, the vibration damping plate is simultaneously stressed by the springs on two sides when vibrating, the springs absorb the vibration energy, the vibration of the axial flow fan is reduced, the blades comprise roots, the blade is provided with the second strengthening rib of arranging in first strengthening rib, and the blade root links to each other with wheel hub, and through setting up first strengthening rib and second strengthening rib, stamping forming is passed through with the second strengthening rib to first strengthening rib, and the punching press direction is unanimous, increases the structural strength of blade, reduces the vibration that produces when the high-speed rotation of blade to the noise that the reduction should vibrate the production.
The utility model discloses further set up to: the fixed plate is provided with an elastic rubber pad.
Through adopting above-mentioned technical scheme, the fixed plate is provided with the rubber pad that is the elasticity form, and the rubber pad weakens axial fan's vibration once more, and the rubber pad has higher wearability and frictional resistance, prevents that the fixed part from taking place to remove because of the vibration, makes axial fan use more stable.
The utility model discloses further set up to: the blade is provided with noise reduction holes which are arranged on the outer edge and are uniformly arranged, the noise reduction holes are through holes, and the axes of the noise reduction holes are parallel to the axis of the air duct.
By adopting the technical scheme, the blades are provided with the noise reduction holes which are arranged on the outer edge and are uniformly arranged, the noise reduction holes are through holes, the axes of the noise reduction holes are parallel to the axis of the air cylinder, any large-scale turbulence in front of the blades can generate additional lift pulsation, so that the noise radiation is obviously increased, the turbulence intensity is reduced through the noise reduction holes, and the effect of reducing noise is achieved.
The utility model discloses further set up to: the damping plate is provided with a damping hole which has the same axis with the damping column.
Through adopting above-mentioned technical scheme, the damping plate is provided with the damping hole with the same axis of damping post, and the damping hole passes through the milling process shaping, and the penetration of the damping post of being convenient for passes through, makes the installation more convenient, and damping hole diameter is greater than the diameter of damping post, and is less than the diameter of spring, guarantees the stable use of spring.
The utility model discloses further set up to: one end of the vibration damping column is provided with a threaded part in threaded connection with the fixed plate, and the other end of the vibration damping column is provided with a baffle part which is circular and has the same axis with the vibration damping column.
Through adopting above-mentioned technical scheme, the one end of damping post is provided with the screw thread portion with fixed plate threaded connection, and the other end of damping post is provided with the baffle portion that is circular and the same axis with the damping post, and screw thread portion makes the dismouting more convenient, and baffle portion offsets with the spring, and the spring atress of being convenient for guarantees the normal use of spring.
The utility model has the advantages that:
1. the vibration of the axial flow fan is weakened through the vibration reduction plate, the vibration reduction column and the spring on the vibration reduction support, the vibration is weakened through the rubber pad again, the vibration reduction effect is enhanced, and the practicability is high.
2. The first reinforcing rib and the second reinforcing rib increase the structural strength of the blade, reduce the vibration of the blade during high-speed rotation, reduce noise and enable the blade to be stably used.
3. The noise reduction holes reduce the turbulence intensity and achieve the effect of reducing noise.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a vibration damping axial flow fan according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of a blade according to the present invention;
the reference number in the figure is 1-wind cone, 2-blade, 21-root, 22-outer edge, 23-first reinforcing rib, 24-second reinforcing rib, 25-noise reduction hole, 3-fixing plate, 4-vibration reduction bracket, 41-bracket plate, 42-vibration reduction plate, 421-vibration reduction hole, 43-vibration reduction column, 431-screw thread part, 432-baffle part, 44-spring, 5-rubber pad and 6-motor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiment of the present invention with reference to fig. 1 to 2:
a vibration reduction type axial flow fan comprises a cylindrical air duct 1, a motor 6 arranged on the air duct 1, blades 2 arranged on an output shaft of the motor 6, and a fixing plate 3 arranged on the air duct 1, wherein a vibration reduction support 4 is arranged between the air duct 1 and the fixing plate 3, the vibration reduction support 4 comprises a support plate 41, a vibration reduction plate 42, a plurality of vibration reduction columns 43 which are arranged on the fixing plate 3 and are uniformly arranged, and springs 44 which are arranged on two sides of the vibration reduction plate 42 and are sleeved on the vibration reduction columns 43, the blades 2 in the air duct 1 rotate under the driving of the motor and can generate vibration, the vibration of the air duct 1 is reduced through the vibration reduction support, the support plate 41 is used for connecting the air duct 1 and the vibration reduction plate 42, the installation is convenient and stable, the support plate 41 and the vibration reduction plate 42 are integrally connected, the structure is stable, the springs 44 are sleeved on the vibration reduction columns 43 in a whole, the contact area between the vibration reduction plate 42 and the springs 44 is increased, and the stress, receive the pressure of both sides spring 44 simultaneously when damping plate 42 vibrates, spring 44 absorbs the vibration energy, reduce axial fan's vibration, blade 2 includes root 21, and outer fringe 22, blade 2 is provided with the first strengthening rib 23 of arranging in on root 21, blade 2 is provided with the second strengthening rib 24 of arranging in first strengthening rib 23, 2 roots 21 of blade link to each other with wheel hub, through setting up first strengthening rib 23 and second strengthening rib 24, first strengthening rib 23 passes through stamping forming with second strengthening rib 24, and the punching press direction is unanimous, increase blade 2's structural strength, reduce the vibration that produces when blade 2 rotates at a high speed, thereby reduce the noise that should vibrate the production.
The fixed plate 3 is provided with the rubber pad 5 that is the elasticity form, and the rubber pad 5 weakens the vibration of axial fan once more, and the rubber pad 5 has higher wearability and frictional resistance, prevents that the fixed part from taking place to remove because of the vibration, makes axial fan use more stably.
The blade 2 is provided with the noise reduction holes 25 which are arranged on the outer edge 22 and are uniformly arranged, the noise reduction holes 25 are through holes, the axis of the noise reduction hole 25 is parallel to the axis of the air duct 1, any large-scale turbulence in front of the blade 2 generates additional lift pulsation, so that noise radiation is obviously increased, the turbulence intensity is reduced through the noise reduction holes 25, and the effect of reducing noise is achieved.
The damping plate 42 is provided with the damping hole 421 with the same axis of damping post 43, and the damping hole 421 passes through the milling process shaping, and the penetration of the damping post 43 of being convenient for passes through, makes the installation more convenient, and the damping hole 421 diameter is greater than the diameter of damping post 43, and is less than the diameter of spring 44, guarantees the stable use of spring 44.
The one end of damping post 43 is provided with the screw thread portion 431 with fixed plate 3 threaded connection, and the other end of damping post 43 is provided with the baffle portion 432 that is circular and the same axis with damping post 43, and screw thread portion 431 makes the dismouting more convenient, and baffle portion 432 offsets with spring 44, and the spring 44 atress of being convenient for guarantees spring 44's normal use.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (5)
1. A vibration reduction type axial flow fan comprises a cylindrical wind barrel (1), a motor (6) arranged on the wind barrel (1), a blade (2) arranged on an output shaft of the motor (6) and a fixing plate (3) arranged on the wind barrel (1), it is characterized in that a vibration damping bracket (4) is arranged between the wind tube (1) and the fixed plate (3), the vibration reduction support (4) comprises a support plate (41), a vibration reduction plate (42), a plurality of vibration reduction columns (43) which are arranged on the fixed plate (3) and are uniformly arranged, and springs (44) which are arranged on two sides of the vibration reduction plate (42) and are sleeved on the vibration reduction columns (43), the blade (2) comprises a root (21) and an outer edge (22), the blade (2) is provided with a first reinforcing rib (23) arranged on the root part (21), the blade (2) is provided with a second reinforcing rib (24) arranged in the first reinforcing rib (23).
2. A vibration-damping axial fan according to claim 1, wherein the fixing plate (3) is provided with a rubber pad (5) having an elastic shape.
3. The axial flow fan of claim 2, wherein the blades (2) are provided with noise reduction holes (25) which are uniformly arranged on the outer edge (22), the noise reduction holes (25) are through holes, and the axes of the noise reduction holes (25) are parallel to the axis of the air duct (1).
4. A vibration damping type axial flow fan according to claim 3, wherein said vibration damping plate (42) is provided with a vibration damping hole (421) having the same axis as the vibration damping post (43).
5. A vibration damping type axial flow fan according to claim 4, wherein one end of the vibration damping post (43) is provided with a screw portion (431) which is screw-connected to the fixed plate (3), and the other end of the vibration damping post (43) is provided with a baffle portion (432) which is circular and has the same axis as the vibration damping post (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896745.1U CN212376981U (en) | 2020-05-25 | 2020-05-25 | Vibration reduction type axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896745.1U CN212376981U (en) | 2020-05-25 | 2020-05-25 | Vibration reduction type axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212376981U true CN212376981U (en) | 2021-01-19 |
Family
ID=74178433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020896745.1U Expired - Fee Related CN212376981U (en) | 2020-05-25 | 2020-05-25 | Vibration reduction type axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212376981U (en) |
-
2020
- 2020-05-25 CN CN202020896745.1U patent/CN212376981U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 |