CN217055718U - Noise reduction device of axial flow fan - Google Patents
Noise reduction device of axial flow fan Download PDFInfo
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- CN217055718U CN217055718U CN202121766771.3U CN202121766771U CN217055718U CN 217055718 U CN217055718 U CN 217055718U CN 202121766771 U CN202121766771 U CN 202121766771U CN 217055718 U CN217055718 U CN 217055718U
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- supporting
- pipe barrel
- axial flow
- motor
- noise reduction
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Abstract
The utility model discloses a noise reduction device of an axial flow fan, which comprises a pipe barrel, wherein one end of the inner side surface of the pipe barrel is provided with a first convex seat, the other end of the pipe barrel is provided with a second convex seat, the inner side surface of the pipe barrel is provided with a supporting casing, the outer inner end surface of the supporting casing is filled with soundproof cotton, the inner end surface of the supporting casing is covered with a rubber layer, both sides of the outer end of the supporting casing are provided with supporting arms, the inner side surface of the supporting casing is fixedly provided with a motor through a fixed mounting, the end surface of a driving shaft of the motor is provided with a fan blade, the outer end surface of a mounting seat of the fan blade is provided with a convex shaft, the inner side surface of the outer end of the pipe barrel is fixedly connected with a supporting ring frame, the supporting casing is arranged outside the motor, the soundproof cotton and the rubber layer for buffering are filled inside the supporting casing, the motor can effectively reduce the running noise, and a supporting component is arranged outside the fan blade, it improves stability when it operates and rotates, and it reduces noise.
Description
Technical Field
The utility model relates to a field of making an uproar falls in the fan, more specifically says, relates to a device of making an uproar falls in axial fan.
Background
The axial flow fan has a very wide application, namely, the axial flow fan is airflow in the same direction as the axis of the fan blade, such as an electric fan, and an air conditioner external fan is a fan operated in an axial flow mode, so the axial flow fan is called as axial flow, and the air flows parallel to the axis of the fan;
the axial flow fan in the prior art has high noise during operation, the motor has high noise during operation, and the fan blade has poor stability during rotation, so that the noise is high.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims at providing an axial fan fall device of making an uproar through set up the support cover shell outside the motor, and its inside soundproof cotton of packing and rubber layer for the buffering can effectively reduce motor operating noise to set up the supporting component outside the flabellum, its operation improves stability, its noise reduction when rotatory.
In order to solve the problem, the utility model adopts the following technical proposal.
A noise reduction device of an axial flow fan comprises a pipe barrel, wherein one end of the inner side surface of the pipe barrel is provided with a first bulge seat, the other end of the pipe barrel is provided with a second bulge seat, the inner side surface of the pipe barrel is provided with a support casing, the surface of the inner end of the outer layer of the support casing is filled with soundproof cotton, the surface of the inner end of the support casing is covered with a rubber layer, support arms are arranged on two sides of the outer end of the support casing, the inner side surface of the support casing is fixedly provided with a motor through a fixed mode, the end face of a drive shaft of the motor is provided with a fan blade, the surface of the outer end of the mounting seat of the fan blade is provided with a convex shaft, the surface of the inner side of the outer end of the pipe barrel is fixedly connected with a support ring frame, a convex opening is arranged in the center of the support ring frame, a bearing is tightly sleeved on the outer surface of the convex shaft, and the support casing is arranged outside the motor to be filled with the soundproof cotton and the rubber layer for buffering, can effectively reduce motor running noise to set up the supporting component outside the flabellum, its operation improves stability when rotatory, its noise reduction.
Furthermore, the support arm passes through the bolt fastening at first protruding seat surface, is convenient for stably install.
Furthermore, the supporting ring frame is fixedly connected to the outer surface of the second protruding seat through a bolt, so that stable installation is facilitated.
Furthermore, a protective net is fixedly welded on the inner side surface of the support ring frame, so that sundries can be blocked for protection.
Furthermore, the protective net is a stainless steel wire net, so that the protective net is not rusted and is corrosion-resistant.
Compared with the prior art, the utility model has the advantages of:
(1) through set up the support cover shell outside the motor, its inside packing soundproof cotton and rubber layer for the buffering can effectively reduce motor operating noise to set up the supporting component outside the flabellum, its operation improves stability when rotatory, its noise reduction.
(2) The support arm passes through the bolt fastening at first protruding seat surface, is convenient for stably install.
(3) The supporting ring frame is fixedly connected to the outer surface of the second protruding seat through bolts, and stable installation is facilitated.
(4) The surface of the inner side of the support ring frame is fixedly welded with a protective net which can block sundries for protection.
(5) The protective net is a stainless steel wire net, so that the protective net is not rusted and is corrosion-resistant.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the support sleeve of the present invention;
fig. 3 is a side view of the connection relationship between the supporting ring frame and the protective net of the present invention.
The reference numbers in the figures illustrate:
the device comprises a pipe barrel 1, a first bulge seat 2, a second bulge seat 3, a support sleeve 4, soundproof cotton 5, a rubber layer 6, a support arm 7, a motor 8, a protruding shaft 9, a support ring frame 10, a bearing 100 and a protective net 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 all belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1-3, a noise reduction device for an axial flow fan comprises a barrel 1, wherein one end of the inner side surface of the barrel 1 is provided with a first bulge seat 2, the other end of the inner side surface of the barrel 1 is provided with a second bulge seat 3, the inner side surface of the barrel 1 is provided with a support casing 4, the outer layer inner end surface of the support casing 4 is filled with soundproof cotton 5, the inner end surface of the support casing 4 is covered with a rubber layer 6, the two sides of the outer end of the support casing 4 are provided with support arms 7, the inner side surface of the support casing 4 is fixedly provided with a motor 8, the end surface of a drive shaft of the motor 8 is provided with fan blades, the outer end surface of the mounting seat of each fan blade is provided with a convex shaft 9, the inner side surface of the outer end of the barrel 1 is fixedly connected with a support ring 10, the center of the support ring 10 is provided with a convex opening, a bearing 100 is fixed in the convex opening, and the bearing 100 is tightly sleeved on the outer surface of the convex shaft 9.
Referring to fig. 1-3, the supporting arm 7 is fixed on the outer surface of the first protruding seat 2 by bolts for stable installation, the supporting ring frame 10 is fixedly connected on the outer surface of the second protruding seat 3 by bolts for stable installation, a protective net 11 is fixedly welded on the inner side surface of the supporting ring frame 10 for blocking sundries for protection, and the protective net 11 is a stainless steel wire net and is not rusty and corrosion resistant.
When in use, a supporting sleeve shell 4 is arranged on the inner side surface of the pipe barrel 1, soundproof cotton 5 is filled on the inner end surface of the outer layer of the supporting sleeve shell 4, a rubber layer 6 is covered on the inner end surface of the supporting sleeve shell 4, supporting arms 7 are arranged on two sides of the outer end of the supporting sleeve shell 4, a motor 8 is fixedly arranged on the inner side surface of the supporting sleeve shell 4, the supporting arms 7 are fixed on the outer surface of the first convex base 2 through bolts, so that the stable installation is facilitated, when the motor 8 runs, the vibration can be reduced and buffered through the rubber layer 6, and the noise can be blocked through the soundproof cotton, so as to reduce the noise, a convex shaft 9 is arranged on the outer end surface of the mounting base of the fan blade, a supporting ring frame 10 is fixedly connected on the inner side surface of the outer end of the pipe barrel 1, a convex opening is arranged at the center of the supporting ring frame 10, a bearing 100 is fixed in the convex opening, the bearing 100 is tightly sleeved on the outer surface of the convex shaft 9 for supporting, and the fan blade can be supported through the supporting ring frame 10 when rotating, the bearing 100 supports rotation, so that the operation is stable, the vibration is avoided, and the noise is reduced.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.
Claims (5)
1. The utility model provides a device of making an uproar falls in axial fan, includes bobbin (1), its characterized in that: a first protruding seat (2) is arranged at one end of the inner side surface of the pipe barrel (1), a second protruding seat (3) is arranged at the other end of the pipe barrel, a supporting casing (4) is arranged on the inner side surface of the pipe barrel (1), soundproof cotton (5) is filled on the outer layer inner end surface of the supporting casing (4), a rubber layer (6) covers the inner end surface of the supporting casing (4), supporting arms (7) are arranged on two sides of the outer end of the supporting casing (4), a motor (8) is fixedly arranged on the inner side surface of the supporting casing (4), fan blades are arranged on the end face of a driving shaft of the motor (8), a protruding shaft (9) is arranged on the outer end surface of a mounting seat of each fan blade, a supporting ring frame (10) is fixedly connected on the inner side surface of the outer end of the pipe barrel (1), a protruding opening is arranged at the center of the supporting ring frame (10), and a bearing (100) is fixed in the protruding opening, the bearing (100) is tightly sleeved on the outer surface of the protruding shaft (9).
2. The axial flow fan noise reduction device according to claim 1, wherein: the supporting arm (7) is fixed on the outer surface of the first bulge seat (2) through a bolt.
3. The axial flow fan noise reduction device according to claim 1, wherein: the supporting ring frame (10) is fixedly connected to the outer surface of the second boss (3) through bolts.
4. The axial flow fan noise reduction device according to claim 1, wherein: and a protective net (11) is fixedly welded on the inner side surface of the supporting ring frame (10).
5. The axial flow fan noise reduction device according to claim 4, wherein: the protective net (11) is a stainless steel wire net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766771.3U CN217055718U (en) | 2021-07-30 | 2021-07-30 | Noise reduction device of axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766771.3U CN217055718U (en) | 2021-07-30 | 2021-07-30 | Noise reduction device of axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055718U true CN217055718U (en) | 2022-07-26 |
Family
ID=82465579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121766771.3U Active CN217055718U (en) | 2021-07-30 | 2021-07-30 | Noise reduction device of axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055718U (en) |
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2021
- 2021-07-30 CN CN202121766771.3U patent/CN217055718U/en active Active
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