CN212407092U - Shaft support outer rotor fan - Google Patents
Shaft support outer rotor fan Download PDFInfo
- Publication number
- CN212407092U CN212407092U CN202020967163.8U CN202020967163U CN212407092U CN 212407092 U CN212407092 U CN 212407092U CN 202020967163 U CN202020967163 U CN 202020967163U CN 212407092 U CN212407092 U CN 212407092U
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- sleeve
- external rotor
- rotor fan
- spring
- inner cavity
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Abstract
The utility model relates to the technical field of fans, and a shaft support external rotor fan is disclosed, including two air inlet spiral case bodies, there is external rotor electric machine two sides of two air inlet spiral case bodies through installing support fixed mounting, external rotor electric machine's the equal activity in both sides has cup jointed an axle fixing base, sleeve one has been cup jointed through two activities of sleeve to one side of axle fixing base, one side fixed mounting of sleeve one is in one side of installing support inner chamber. This axle supports external rotor fan utilizes sleeve one, sleeve two, spring and attenuator to connect between axle fixing base and the installing support, has elasticity through the spring, and the rethread attenuator can produce the resistance to the spring motion, is convenient for carry out the shock attenuation to this external rotor fan produced vibrations when operation, has solved conventional external rotor fan and has utilized the rubber spare to carry out the shock attenuation, the ageing condition appears after using a period, has reduced the maintenance cost in later stage, has improved external rotor fan's life in addition.
Description
Technical Field
The utility model relates to a fan technical field specifically is a shaft support external rotor fan.
Background
The outer rotor fan is a fan with a stator in the middle of the motor and a rotor outside, adopts an advanced structure and a reasonable pneumatic design of directly driving an impeller by an outer rotor motor, and has the characteristics of high efficiency, low noise, light weight, compact structure, convenience in installation and maintenance and the like.
What mainly adopted in the conventional fan is that the motor is fixed on the installing support, and the wind is flat assembling, need go on when assembling to fixed position increase but damping rubber or shock pad reduce the fan morning, because the city shakes the accessory and all is the rubber spare, use the rubber spare after a period and will age, influence the later stage and reduce difficult effect.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a shaft-supported external rotor fan possesses the fan that need not adopt the yielding rubber installation, has not only solved the later maintenance cost but also increased the advantage of flat life of wind, has solved the problem that proposes among the above-mentioned background art.
The utility model provides a following technical scheme: the utility model provides an axle supports external rotor fan, includes two air inlet spiral case bodies, there is the external rotor electric machine two sides of two air inlet spiral case bodies through installing support fixed mounting, the axle fixing base has been cup jointed in the equal activity in both sides of external rotor electric machine, sleeve one has been cup jointed through two activities of sleeve to one side of axle fixing base, one side fixed mounting of sleeve one is in one side of installing support inner chamber, the spring has been cup jointed in the equal activity of inner chamber of sleeve one and sleeve two, the both ends of spring are fixed mounting respectively in one side of axle fixing base and one side of installing support inner chamber, through the attenuator fixed connection that is located the spring inner chamber between one side of axle fixing base and one side of installing support inner chamber.
Carefully, the number of the first sleeve, the second sleeve, the springs and the dampers is six, and the first sleeve, the second sleeve, the six springs and the six dampers are circularly and uniformly distributed on one side of the shaft fixing seat.
And carefully selecting the outer diameter of the second sleeve to be one millimeter larger than the inner diameter of the first sleeve.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this axle supports external rotor fan utilizes sleeve one, sleeve two, spring and attenuator to connect between axle fixing base and the installing support, has elasticity through the spring, and the rethread attenuator can produce the resistance to the spring motion, is convenient for carry out the shock attenuation to this external rotor fan produced vibrations when operation, has solved conventional external rotor fan and has utilized the rubber spare to carry out the shock attenuation, the ageing condition appears after using a period, has reduced the maintenance cost in later stage, has improved external rotor fan's life in addition.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a sectional three-dimensional structure of the double-inlet volute body of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the mounting bracket of the present invention;
fig. 4 is a schematic view of the spring stereoscopic structure of the present invention.
In the figure: 1. a double air inlet volute body; 2. a shaft fixing seat; 3. an outer rotor motor; 4. a first sleeve; 5. mounting a bracket; 6. a second sleeve; 7. a spring; 8. a damper.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, a shaft-supported external rotor fan comprises a double-inlet volute body 1, an external rotor motor 3 is fixedly mounted on two sides of the double-inlet volute body 1 through a mounting bracket 5, a shaft fixing seat 2 is movably sleeved on two sides of the external rotor motor 3, a sleeve 1 4 is movably sleeved on one side of the shaft fixing seat 2 through a sleeve 6, the number of the sleeve 4, the sleeve 6, a spring 7 and a damper 8 is six, the six sleeves 4, the six sleeves 6, the six springs 7 and the six dampers 8 are circularly and uniformly distributed on one side of the shaft fixing seat 2, the damping range is increased through the six sleeves 4, the six sleeves 6, the six springs 7 and the six dampers 8 are circularly and uniformly distributed on one side of the shaft fixing seat 2, the external rotor fan is conveniently and efficiently damped, one side of the sleeve 4 is fixedly mounted on one side of an inner cavity of the mounting bracket 5, the spring 7 is movably sleeved in the inner cavity of the first sleeve 4 and the inner cavity of the second sleeve 6, the outer diameter of the second sleeve 6 is one millimeter larger than the inner diameter of the first sleeve 4, the second sleeve 6 can move in the inner cavity of the first sleeve 4 conveniently, the situation that the second sleeve 6 inclines when moving in the inner cavity of the first sleeve 4 is avoided, two ends of the spring 7 are fixedly installed on one side of the shaft fixing seat 2 and one side of the inner cavity of the mounting bracket 5 respectively, one side of the shaft fixing seat 2 and one side of the inner cavity of the mounting bracket 5 are fixedly connected through the damper 8 located in the inner cavity of the spring 7, the first sleeve 4, the second sleeve 6, the spring 7 and the damper 8 are connected between the shaft fixing seat 2 and the mounting bracket 5, the spring 7 has elasticity through the spring 7, and resistance can be generated to the movement of, the shock absorption is convenient for the shock absorption of the shock generated when the outer rotor fan operates, the problem that the conventional outer rotor fan absorbs the shock by using a rubber part and is aged after being used for a period of time is solved, the later maintenance cost is reduced, and the service life of the outer rotor fan is prolonged.
The working principle is as follows: when the rotor fan is used, when the rotor fan is put into use, the spring 7 and the damper 8 on the shaft fixing seat 2 are used for damping, and the sleeve I4 and the sleeve II 6 are arranged on the outer side of the spring 7 to protect the spring 7 and the damper 8.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a shaft support external rotor fan, includes two air inlet spiral case bodies (1), its characterized in that: the two sides of the double-air-inlet volute body (1) are fixedly provided with an outer rotor motor (3) through a mounting bracket (5), two sides of the outer rotor motor (3) are movably sleeved with a shaft fixing seat (2), one side of the shaft fixing seat (2) is movably sleeved with a sleeve I (4) through a sleeve II (6), one side of the sleeve I (4) is fixedly arranged on one side of an inner cavity of the mounting bracket (5), an inner cavity of the sleeve I (4) and an inner cavity of the sleeve II (6) are movably sleeved with a spring (7), two ends of the spring (7) are fixedly arranged on one side of the shaft fixing seat (2) and one side of the inner cavity of the mounting bracket (5) respectively, and one side of the shaft fixing seat (2) and one side of the inner cavity of the mounting bracket (5) are fixedly connected through a damper (8) located in the inner cavity of the spring.
2. The shaft-supported external rotor fan of claim 1, wherein: the number of the first sleeve (4), the second sleeve (6), the springs (7) and the dampers (8) is six, and the first sleeve (4), the second sleeve (6), the six springs (7) and the six dampers (8) are circularly and evenly distributed on one side of the shaft fixing seat (2).
3. The shaft-supported external rotor fan of claim 1, wherein: the outer diameter of the second sleeve (6) is one millimeter larger than the inner diameter of the first sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967163.8U CN212407092U (en) | 2020-06-01 | 2020-06-01 | Shaft support outer rotor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967163.8U CN212407092U (en) | 2020-06-01 | 2020-06-01 | Shaft support outer rotor fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407092U true CN212407092U (en) | 2021-01-26 |
Family
ID=74409181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020967163.8U Active CN212407092U (en) | 2020-06-01 | 2020-06-01 | Shaft support outer rotor fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407092U (en) |
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2020
- 2020-06-01 CN CN202020967163.8U patent/CN212407092U/en active Active
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