CN212337676U - Low-noise axial flow fan - Google Patents
Low-noise axial flow fan Download PDFInfo
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- CN212337676U CN212337676U CN202020591298.9U CN202020591298U CN212337676U CN 212337676 U CN212337676 U CN 212337676U CN 202020591298 U CN202020591298 U CN 202020591298U CN 212337676 U CN212337676 U CN 212337676U
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Abstract
The utility model provides a low noise axial fan, including casing and motor, the motor passes through damping mechanism fixed mounting inside the casing, the output shaft of motor passes through the shaft coupling and is connected with the pivot, pivot and flabellum fixed connection, the inboard surface of casing is close to motor department and has evenly seted up and has inhaled the sound hole, the outside surface of casing is provided with damping ring, damping mechanism and damping ring interconnect. This low noise axial fan, the motor passes through damping mechanism and installs in the casing, damping mechanism carries out the damping to the motor, derive the vibration simultaneously on the outside damping ring of casing, greatly reduced the noise that the motor vibration arouses, the noise reduction effect has been improved, the inboard sound hole of inhaling of casing can the absorbed noise, the noise reduction effect has further been improved, this axial fan has avoided adopting the heat dissipation that more sound absorbing material leads to bad simultaneously, and inhale the sound hole and can increase heat radiating area, the heat dissipation has been improved, the life of axial fan has been prolonged.
Description
Technical Field
The utility model belongs to the technical field of the fan technique and specifically relates to a low noise axial fan is related to.
Background
The axial flow fan is a fan which generates airflow in the same direction as the axis of the fan blade as the name implies, and has wide application, such as an electric fan, and an air conditioner external unit fan is a fan which operates in an axial flow mode. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low.
Axial fan's noise mainly arouses by the vibration of motor and transmission shaft, and current low noise axial fan, most adopted set up sound absorbing material on the casing and reached the purpose of making an uproar of falling, and it falls the effect of making an uproar limitedly, and the noise reduction effect is relatively poor, and more sound absorbing material is unfavorable for the heat dissipation of motor simultaneously, can influence axial fan's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a low noise axial fan is provided, greatly reduced the noise that the motor vibration arouses, improved the noise reduction effect, the inboard sound hole of inhaling of casing can the absorbed noise, further improved the noise reduction effect, this axial fan has avoided adopting the heat dissipation that more sound absorbing material leads to bad simultaneously, and inhale the sound hole and can increase heat radiating area, improved the thermal diffusivity, prolonged axial fan's life, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a low noise axial fan, includes casing and motor, the motor passes through damping mechanism fixed mounting inside the casing, the output shaft of motor passes through the shaft coupling and is connected with the pivot, pivot and flabellum fixed connection, the inboard surface of casing is close to motor department and has evenly seted up and inhale the sound hole, the outside surface of casing is provided with the damping ring, damping mechanism and damping ring interconnect.
As a preferred technical scheme of the utility model, damping mechanism is including fixed the lantern ring of cup jointing at motor outside surface, and the outside fixed surface of the lantern ring is provided with the fixed column, fixed column and connecting rod fixed connection, the top of connecting rod is provided with the spliced pole, the spliced pole wear out the outside surface of casing and with damping ring fixed connection, damping spring has been cup jointed on the outside surface of connecting rod.
As a preferred technical scheme of the utility model, six groups are no less than to fixed column, connecting rod, spliced pole and damping spring's quantity, and are no less than fixed column, connecting rod, spliced pole and damping spring that six groups use the axle center of motor to arrange in the lantern ring outside as angles such as centre of a circle.
As the utility model discloses a preferred technical scheme, the damping ring includes interior wall layer, outer wall layer and silica gel damping pad, the fixed cover of interior wall layer is established at the outside surface of casing, and the silica gel damping pad sets up between wall layer and the outer wall layer including, the spliced pole passes interior wall layer and is connected with the silica gel damping pad.
As an optimized technical solution of the present invention, the outer side surface of the outer wall layer is uniformly provided with regular triangular prism-shaped heat dissipation fins.
By adopting the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses the low noise axial fan of example, the motor passes through damping mechanism and installs in the casing, damping mechanism carries out the damping to the motor, export the vibration simultaneously on the outside damping ring of casing, greatly reduced the noise that the motor vibration arouses, the noise reduction effect has been improved, the inboard sound hole of inhaling of casing can the absorbed noise, the noise reduction effect has further been improved, this axial fan has avoided adopting the heat dissipation that more sound absorbing material leads to bad simultaneously, and inhale the sound hole and can increase heat radiating area, the heat dissipation has been improved, the life of axial fan has been prolonged.
2. The utility model discloses the low noise axial fan of example, the outer damping spring of connecting rod is used for absorbing the vibration that the motor during operation produced to reduce the vibration, alleviate the noise, reach the effect of low noise.
3. The utility model discloses the low noise axial fan of example, the silica gel damping pad that sets up between the inner wall layer of damping ring and the outer wall layer can further reduce the vibration and the noise that arouses, and the spliced pole can lead-in the silica gel damping pad with the vibration that the motor during operation produced, has further reduced the vibration of motor.
4. The utility model discloses the low noise axial fan of example, fin are used for improving the thermal diffusivity of damping ring, and the intra-annular silica gel damping pad heat conductivity of damping is higher, and the cooperation fin can give off the heat fast, improves the radiating effect, increase of service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic front view of the structure of the present invention.
Wherein: the fan comprises a machine shell 1, a vibration damping mechanism 2, a lantern ring 21, a fixing column 22, a connecting rod 23, a connecting column 24, a vibration damping spring 25, a motor 3, fan blades 4, a sound absorption hole 5, a vibration damping ring 6, an inner wall layer 61, an outer wall layer 62, a silica gel vibration damping pad 63 and radiating fins 64.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a low-noise axial flow fan comprises a casing 1 and a motor 3, wherein the motor 3 is fixedly arranged inside the casing 1 through a vibration absorption mechanism 2, an output shaft of the motor 3 is connected with a rotating shaft through a coupler, the rotating shaft is fixedly connected with fan blades 4, sound absorption holes 5 are uniformly formed in the inner side surface of the casing 1 close to the motor 3, a vibration absorption ring 6 is arranged on the outer side surface of the casing 1, the vibration absorption mechanism 2 is connected with the vibration absorption ring 6, the motor 3 is arranged inside the casing 1 through the vibration absorption mechanism 2, the vibration absorption mechanism 2 is used for absorbing vibration of the motor 3 and guiding the vibration to the vibration absorption ring 6 outside the casing 1, noise caused by vibration of the motor 3 is greatly reduced, the noise reduction effect is improved, the sound absorption holes 5 in the inner side of the casing 1 can absorb noise, the noise reduction effect is further improved, and poor heat dissipation caused by adopting more sound absorption materials is avoided, and the sound absorption holes 5 can increase the heat dissipation area, improve the heat dissipation performance and prolong the service life of the axial flow fan.
The vibration reduction ring 6 comprises an inner wall layer 61, an outer wall layer 62 and a silica gel vibration reduction pad 63, the inner wall layer 61 is fixedly sleeved on the outer side surface of the machine shell 1, the silica gel vibration reduction pad 63 is arranged between the inner wall layer 61 and the outer wall layer 62, the connecting column 24 penetrates through the inner wall layer 61 and is connected with the silica gel vibration reduction pad 63, the silica gel vibration reduction pad 63 arranged between the inner wall layer 61 and the outer wall layer 62 of the vibration reduction ring 6 can further reduce vibration and noise caused by the vibration, the connecting column 24 can guide vibration generated during the operation of the motor 3 into the silica gel vibration reduction pad 63, and the vibration of the motor 3 is further reduced.
The regular triangular prism-shaped radiating fins 64 are uniformly arranged on the outer side surface of the outer wall layer 62, the radiating fins 64 are used for improving the heat dissipation performance of the damping ring 6, the heat conductivity of the silica gel damping pad 63 in the damping ring 6 is high, heat can be quickly dissipated by matching with the radiating fins 64, the heat dissipation effect is improved, and the service life is prolonged.
The utility model discloses well motor 3 and the external circuit control switch electric connection that use, for the electronic component commonly used among the prior art, its working method and circuit structure are the well-known technology, do not describe herein any more.
The utility model discloses motor 3 installs in casing 1 through damping mechanism 2, damping mechanism 2 carries out the damping to motor 3, derive the vibration simultaneously on the damping ring 6 of casing 1 outside, greatly reduced the noise that the vibration of motor 3 arouses, noise reduction effect has been improved, 1 inboard sound hole 5 of inhaling of casing can the absorbed noise, noise reduction effect has further been improved, this axial fan has avoided adopting the heat dissipation that more sound absorbing material leads to bad simultaneously, and inhale sound hole 5 and can increase heat radiating area, the heat dissipation has been improved, axial fan's life has been prolonged.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a low noise axial fan, includes casing (1) and motor (3), its characterized in that: motor (3) are inside through damping mechanism (2) fixed mounting in casing (1), the output shaft of motor (3) passes through the shaft coupling and is connected with the pivot, pivot and flabellum (4) fixed connection, the inboard surface of casing (1) is close to motor (3) department and has evenly seted up and inhale sound hole (5), the outside surface of casing (1) is provided with damping ring (6), damping mechanism (2) and damping ring (6) interconnect.
2. The low-noise axial flow fan according to claim 1, wherein: damping mechanism (2) are including fixed cover at lantern ring (21) of motor (3) outside surface, and the outside fixed surface of lantern ring (21) is provided with fixed column (22), fixed column (22) and connecting rod (23) fixed connection, the top of connecting rod (23) is provided with spliced pole (24), and the outside surface of casing (1) is worn out and damping ring (6) fixed connection is worn out to spliced pole (24), damping spring (25) have been cup jointed to the outside surface of connecting rod (23).
3. The low-noise axial flow fan according to claim 2, wherein: the number of the fixing columns (22), the connecting rods (23), the connecting columns (24) and the damping springs (25) is not less than six, and the fixing columns (22), the connecting rods (23), the connecting columns (24) and the damping springs (25) which are not less than six are arranged on the outer side of the lantern ring (21) in an equiangular mode by taking the axis of the motor (3) as the center of a circle.
4. The low-noise axial flow fan according to claim 2, wherein: damping ring (6) include interior wall layer (61), outer wall layer (62) and silica gel damping pad (63), the outside surface at casing (1) is established to fixed cover in interior wall layer (61), and silica gel damping pad (63) sets up between interior wall layer (61) and outer wall layer (62), spliced pole (24) pass interior wall layer (61) and are connected with silica gel damping pad (63).
5. The low-noise axial flow fan according to claim 4, wherein: and regular triangular prism-shaped radiating fins (64) are uniformly arranged on the outer side surface of the outer wall layer (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591298.9U CN212337676U (en) | 2020-04-20 | 2020-04-20 | Low-noise axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591298.9U CN212337676U (en) | 2020-04-20 | 2020-04-20 | Low-noise axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN212337676U true CN212337676U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020591298.9U Active CN212337676U (en) | 2020-04-20 | 2020-04-20 | Low-noise axial flow fan |
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| CN (1) | CN212337676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517790A (en) * | 2022-03-09 | 2022-05-20 | 合肥通用机械研究院有限公司 | Low-noise low-vibration explosion-proof vortex fan |
-
2020
- 2020-04-20 CN CN202020591298.9U patent/CN212337676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517790A (en) * | 2022-03-09 | 2022-05-20 | 合肥通用机械研究院有限公司 | Low-noise low-vibration explosion-proof vortex fan |
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