CN209761779U - Low-noise industrial fan - Google Patents
Low-noise industrial fan Download PDFInfo
- Publication number
- CN209761779U CN209761779U CN201920269274.9U CN201920269274U CN209761779U CN 209761779 U CN209761779 U CN 209761779U CN 201920269274 U CN201920269274 U CN 201920269274U CN 209761779 U CN209761779 U CN 209761779U
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- motor mounting
- damping
- motor
- rod
- outer side
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Abstract
The utility model relates to a low-noise industrial fan, which comprises a motor mounting shell, wherein the bottom of the motor mounting shell is connected with a motor mounting seat through a bolt, the top of the motor mounting seat is symmetrically and fixedly provided with a thread limiting rod, the outer side of the thread limiting rod is sleeved with a damping spring, the top of the damping spring is sleeved with a damping plate outside the thread limiting rod, the damping plate can be prevented from shaking left and right through the arrangement of the thread limiting rod, the damping spring can improve the damping performance of the damping plate, the driving motor can be prevented from driving the motor mounting shell to vibrate, the noise can be effectively reduced, the rotation stability and the anti-falling performance of a fan blade mounting disc can be improved while the driving shaft is not influenced to drive the fan blade mounting disc to rotate through the arrangement of an inner sleeve and an outer sleeve, and the damping rod can buffer and damp the fan blade through the arrangement of the, can prevent the fan blades from generating a large amount of noise due to violent vibration caused by high-speed rotation.
Description
Technical Field
The utility model relates to a low noise industrial fan belongs to industrial fan technical field.
Background
The industrial fan is very widely used in a factory, the industrial fan needs to work for a long time generally, and in order to provide large air volume, the length of the fan blade of the industrial fan is long, the rotating speed of the industrial fan is high, the fan blade generates great axial thrust when rotating, the axial thrust acts on the driving shaft to enable the driving shaft to receive great axial force, the driving shaft is easy to damage and break, the fan falls, the safety problem is caused, the personal safety of workers in a workshop is threatened, in addition, the high-speed rotation of the fan blade can violently shake to generate a large amount of noise, the hearing of workers is damaged, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a low-noise industrial fan with good noise reduction performance, the damping plate can be prevented from shaking left and right by arranging the threaded limiting rod, the damping spring can improve the damping performance of the damping plate, can prevent the driving motor from driving the motor mounting shell to vibrate and effectively reduce the noise, and by arranging the inner sleeve and the outer sleeve which are connected by the rotating shaft, the rotating stability and the anti-falling performance of the fan blade mounting disc can be improved while the driving shaft is not influenced to drive the fan blade mounting disc to rotate, the damping rods can buffer and damp the fan blades by arranging the damping rods, can prevent that the high-speed rotatory violent vibrations of flabellum from producing a large amount of noises, conveniently carry out fixed mounting to the motor installation shell through setting up U-shaped gallows and screw, can effectively solve the problem among the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
A low-noise industrial fan comprises a motor mounting shell, wherein the bottom of the motor mounting shell is connected with a motor mounting seat through a bolt, the top of the motor mounting seat is symmetrically and fixedly provided with a threaded limiting rod, the outer side of the threaded limiting rod is sleeved with a damping spring, the top of the damping spring is sleeved with a damping plate outside the threaded limiting rod, the top of the damping plate is fixedly provided with a driving motor, the bottom of the driving motor is provided with a driving shaft, the bottom of the driving shaft is fixedly provided with a fan blade mounting disc, the surface of the top of the fan blade mounting disc is equidistantly provided with limiting grooves, the inner cavity of the limiting grooves is fixedly connected with fan blades through rivets, the bottom of the motor mounting seat is fixedly provided with an inner sleeve, the outer side of the bottom of the inner sleeve is connected with an outer sleeve through a rotating shaft, the bottom of, and one end of the shock absorption rod, which is far away from the outer sleeve, is fixedly connected with the fan blades through a hinge shaft.
Furthermore, the outer side of the top of the threaded limiting rod is connected with a locking nut through threads.
furthermore, the outer sides of the driving motors are symmetrically and fixedly provided with fixing lugs, and the fixing lugs are fixedly connected with the damping plate through bolts.
Further, a U-shaped hanging bracket is fixedly arranged at the top of the motor installation shell, and screws are inserted into the middle of the U-shaped hanging bracket.
Further, the outer side surface of the motor mounting shell is provided with strip-shaped heat dissipation holes in an equidistance manner.
Further, the shock-absorbing rod includes hollow rod, the fixed limiting plate that is equipped with in hollow rod middle part, the fixed buffer spring that is equipped with of limiting plate top and bottom symmetry, buffer spring one end fixedly connected with solid pole, just hollow rod inner chamber is worn to locate by solid pole one end.
The utility model discloses beneficial effect: the utility model relates to a low noise industrial fan, good noise reduction performance has, can prevent through setting up the screw thread gag lever post that the shock attenuation board is rocked about, damping spring can improve the shock attenuation performance of shock attenuation board, can prevent that driving motor from driving motor installation shell vibrations, can effectively the noise reduction's production, through setting up inner skleeve and outer sleeve, and be connected through the pivot between inner skleeve and the outer sleeve, can improve the rotational stability and prevent weighing down the performance of flabellum mounting disc when not influencing the drive shaft and drive the rotation of flabellum mounting disc, through setting up the shock attenuation pole, the shock attenuation pole can cushion the flabellum, can prevent that the high-speed violent vibrations of flabellum from producing a large amount of noises, carry out fixed mounting to motor installation shell through setting up U-shaped gallows and.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a cross-sectional view of a low noise industrial fan according to the present invention.
Fig. 2 is a bottom view of the fan blade mounting plate of the low-noise industrial fan of the present invention.
Fig. 3 is a front view of a motor mounting case of the low-noise industrial fan of the present invention.
Fig. 4 is a sectional view of a damper rod of a low noise industrial fan according to the present invention.
Reference numbers in the figures: 1. a motor mounting case; 2. a motor mounting seat; 3. a threaded stop bar; 4. a damping spring; 5. a damper plate; 6. a drive motor; 7. a drive shaft; 8. a fan blade mounting plate; 9. a limiting groove; 10. a fan blade; 11. an inner sleeve; 12. an outer sleeve; 13. a shock-absorbing lever; 14. locking the nut; 15. fixing the ear; 16. a U-shaped hanger; 17. a screw; 18. strip-shaped heat dissipation holes; 19. a hollow shaft; 20. a limiting plate; 21. a buffer spring; 22. a solid rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-4, a low-noise industrial fan comprises a motor mounting shell 1, the bottom of the motor mounting shell 1 is connected with a motor mounting seat 2 through a bolt, the top of the motor mounting seat 2 is symmetrically and fixedly provided with a thread limiting rod 3, the damping plate 5 can be prevented from shaking left and right through the thread limiting rod 3, the damping spring 4 is sleeved outside the thread limiting rod 3, the damping spring 4 can improve the damping performance of the damping plate 5, the driving motor 6 can be prevented from driving the motor mounting shell 1 to vibrate, the noise can be effectively reduced, the damping plate 5 is sleeved outside the thread limiting rod 3 at the top of the damping spring 4, the driving motor 6 is fixedly mounted at the top of the damping plate 5, the driving shaft 7 is arranged at the bottom of the driving motor 6, a fan blade mounting plate 8 is fixedly arranged at the bottom of the driving shaft 7, limiting grooves 9 are equidistantly arranged on the top surface of the fan blade, the limiting groove 9 is arranged to facilitate the fixed installation of the fan blade 10, the installation stability of the fan blade 10 can be improved, the inner cavity of the limit groove 9 is fixedly connected with fan blades 10 through rivets, the bottom of the motor mounting seat 2 is fixedly provided with an inner sleeve 11, the outer side of the bottom of the inner sleeve 11 is connected with an outer sleeve 12 through a rotating shaft, the bottom of the outer sleeve 12 is fixedly connected with the fan blade mounting disc 8, the inner sleeve 11 is connected with the outer sleeve 12 through a rotating shaft, the rotating stability and the anti-falling performance of the fan blade mounting disc 8 can be improved while the driving shaft 7 is not influenced to drive the fan blade mounting disc 8 to rotate, the outer side of the top of the outer sleeve 12 is equidistantly connected with the shock absorption rods 13 through the hinge shaft, and the end of the shock absorption rod 13 far away from the outer sleeve 12 is fixedly connected with the fan blade 10 through a hinge shaft, and the shock absorption rod 13 can absorb shock to the fan blade 10, so that a large amount of noise generated by violent vibration of high-speed rotation of the fan blade 10 can be prevented.
The outer side of the top of the threaded limiting rod 3 is connected with a locking nut 14 through threads, the locking nut 14 is arranged to fix the damping plate 5 and prevent the damping plate 5 from being separated from the threaded limiting rod 3, the outer side of the driving motor 6 is symmetrically and fixedly provided with fixing lugs 15, the fixing lugs 15 are fixedly connected with the damping plate 5 through bolts so as to conveniently and fixedly install the driving motor 6, the top of the motor installation shell 1 is fixedly provided with a U-shaped hanger 16, the middle of the U-shaped hanger 16 is penetrated with a screw 17, the motor installation shell 1 is conveniently and fixedly installed through arranging the U-shaped hanger 16 and the screw 17, the outer side surface of the motor installation shell 1 is equidistantly dug with strip-shaped heat dissipation holes 18 so as to conveniently dissipate heat of the driving motor 6, the damping rod 13 comprises a hollow rod 19, the middle of the hollow rod 19 is fixedly provided with a limiting plate 20, and the top and the bottom of, one end of the buffer spring 21 is fixedly connected with a solid rod 22, and one end of the solid rod 22 penetrates through the inner cavity of the hollow rod 19.
The utility model discloses the theory of operation: install the industrial fan on the ceiling through U-shaped gallows 16 and screw 17, screw gag lever post 3 can prevent to shake about damping plate 5, damping spring 4 can improve damping performance that damping plate 5, can prevent that driving motor 6 from driving the vibrations of motor mounting shell 1, can effectively the noise reduction's production, be connected through the pivot between inner skleeve 11 and the outer sleeve 12, can improve the rotational stability and the anti-falling performance of flabellum mounting disc 8 when not influencing drive shaft 7 and drive the rotation of flabellum mounting disc 8, shock attenuation 13 can cushion flabellum 10, can prevent that flabellum 10 from shaking a large amount of noises at the high-speed violent of rotation.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. A low noise industrial fan, includes motor installation shell (1), its characterized in that: the motor mounting structure is characterized in that the bottom of the motor mounting shell (1) is connected with a motor mounting seat (2) through a bolt, the top of the motor mounting seat (2) is symmetrically and fixedly provided with a thread limiting rod (3), the outer side of the thread limiting rod (3) is sleeved with a damping spring (4), the top of the damping spring (4) is positioned on the outer side of the thread limiting rod (3) and sleeved with a damping plate (5), the top of the damping plate (5) is fixedly provided with a driving motor (6), the bottom of the driving motor (6) is provided with a driving shaft (7), the bottom of the driving shaft (7) is fixedly provided with a fan blade mounting disc (8), the top surface of the fan blade mounting disc (8) is equidistantly provided with limiting grooves (9), the inner cavity of the limiting grooves (9) is fixedly connected with fan blades (10) through rivets, the bottom of the motor mounting seat (2) is, and outer sleeve (12) bottom and flabellum mounting disc (8) fixed connection, the outer side of outer sleeve (12) top is connected with shock-absorbing rod (13) through the hinge equidistance, just shock-absorbing rod (13) are kept away from the one end of outer sleeve (12) and are passed through hinge fixed connection flabellum (10).
2. A low noise industrial fan according to claim 1, wherein: the outer side of the top of the threaded limiting rod (3) is connected with a locking nut (14) through threads.
3. A low noise industrial fan according to claim 1, wherein: the outer side of the driving motor (6) is symmetrically and fixedly provided with fixing lugs (15), and the fixing lugs (15) are fixedly connected with the damping plate (5) through bolts.
4. A low noise industrial fan according to claim 1, wherein: the motor mounting shell is characterized in that a U-shaped hanging bracket (16) is fixedly arranged at the top of the motor mounting shell (1), and screws (17) are inserted in the middle of the U-shaped hanging bracket (16).
5. A low noise industrial fan according to claim 1, wherein: the motor mounting shell (1) is provided with strip-shaped heat dissipation holes (18) in the surface of the outer side in an equidistance digging mode.
6. A low noise industrial fan according to claim 1, wherein: shock attenuation pole (13) are including hollow rod (19), hollow rod (19) middle part is fixed and is equipped with limiting plate (20), limiting plate (20) top and the fixed buffer spring (21) that are equipped with of bottom symmetry, buffer spring (21) one end fixedly connected with solid pole (22), just hollow rod (19) inner chamber is worn to locate by solid pole (22) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920269274.9U CN209761779U (en) | 2019-03-04 | 2019-03-04 | Low-noise industrial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920269274.9U CN209761779U (en) | 2019-03-04 | 2019-03-04 | Low-noise industrial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761779U true CN209761779U (en) | 2019-12-10 |
Family
ID=68753368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920269274.9U Expired - Fee Related CN209761779U (en) | 2019-03-04 | 2019-03-04 | Low-noise industrial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007114A (en) * | 2021-03-18 | 2021-06-22 | 广东瑞泰通风降温设备有限公司 | Anti-drop's big fan of industry |
-
2019
- 2019-03-04 CN CN201920269274.9U patent/CN209761779U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007114A (en) * | 2021-03-18 | 2021-06-22 | 广东瑞泰通风降温设备有限公司 | Anti-drop's big fan of industry |
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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: 20191210 Termination date: 20210304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |