CN220522910U - Box fan of particle damping shock attenuation - Google Patents
Box fan of particle damping shock attenuation Download PDFInfo
- Publication number
- CN220522910U CN220522910U CN202321829782.0U CN202321829782U CN220522910U CN 220522910 U CN220522910 U CN 220522910U CN 202321829782 U CN202321829782 U CN 202321829782U CN 220522910 U CN220522910 U CN 220522910U
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- support column
- box fan
- fan
- damping
- particles
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- 239000002245 particle Substances 0.000 title claims abstract description 55
- 238000013016 damping Methods 0.000 title claims abstract description 45
- 230000035939 shock Effects 0.000 title abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 5
- 239000002923 metal particle Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 241000883990 Flabellum Species 0.000 description 15
- 238000009423 ventilation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005541 medical transmission Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of box fans, and particularly relates to a particle damping and shock absorbing box fan. It comprises the following steps: the damping device comprises an outer frame, at least one support column and fan blades, wherein the support column is connected to the back of the outer frame, a cavity is formed in the support column, and damping particles are filled in the cavity; the fan blade is rotationally connected to the support column through a transmission shaft. The utility model is used for solving the problem that the fan is damaged due to the vibration of the box-type fan, when the fan blade rotates, the vibration caused by the vibration is transmitted to the support column to cause the vibration of damping particles in the support column, and the mechanical energy is consumed through the friction and collision among the particles, so that the vibration amplitude of the support column is reduced, and the effects of shock absorption and noise reduction are realized.
Description
Technical Field
The utility model belongs to the technical field of box fans, and particularly relates to a particle damping and shock absorbing box fan.
Background
Box fans play an important role in cultivation ventilation. In the cultivation process, air in a closed cultivation farm does not circulate, and gas and moisture can only accumulate circularly in a limited space, so that indoor gas pollution and disease transmission are easily caused. The box type fan can be used for realizing ventilation, ventilation and humidity control of indoor air, improving the quality and production efficiency of the culture environment, reducing the incidence rate of diseases and playing an important role in guaranteeing the health of animals and improving the production benefit.
The box fan flabellum subassembly mount pad simple structure on the present market, rigidity is poor, and the commonality problem that the during operation exists is vibration, and the fan structure that vibration can cause is tired, and long-term vibration can lead to flabellum and flabellum flange to become flexible and the deformation of structure, destroys the flabellum dynamic balance, makes the fan flabellum produce distortion and vibration noise, and then appears flabellum and flabellum flange cracked condition, reduces its life and operation security.
Disclosure of Invention
The technical problem that this application embodiment to solve lies in overcoming the not enough of prior art, provides a box fan of particle damping shock attenuation for solve box fan vibration and lead to the problem of fan damage.
The technical scheme for solving the technical problems in the embodiment of the application is as follows: a particle damping vibration-absorbing box fan, comprising: an outer frame;
at least one support column connected to the back of the outer frame, wherein a cavity is formed in the support column, and damping particles are filled in the cavity;
and the fan blades are rotationally connected to the support columns through transmission shafts.
Compared with the prior art, the technical scheme has the following beneficial effects:
utilize the transmission shaft to rotate the flabellum and connect on the support column, the support column is connected at the frame back, the flabellum holding is in the frame, form a rigid connection with flabellum and frame through the support column, simultaneously, the cavity that forms in the support column is filled with damping particle, during the flabellum rotates, the vibration that causes is transmitted to the support column, arouses damping particle's vibration in the support column, consume mechanical energy through friction and collision between the particle, and then reduce the vibration amplitude of support column, realize shock attenuation and noise reduction's effect.
Further, the support columns are sequentially provided with partition plates at intervals along the length direction of the support columns so as to divide the cavities into a plurality of sub-cavities, and each sub-cavity is filled with damping particles.
Further, the support column includes: the transmission shaft is connected to the connecting block, and clamping grooves are respectively formed in two ends of the connecting block;
and one end of each upright post is inserted into the corresponding clamping groove in a matching way, the other end of each upright post is connected to the edge of the outer frame, and the sub-cavity is arranged in each upright post.
Further, the volume of the damping particles in each sub-cavity is 20% -80% of the volume of the sub-cavity.
Further, the particle size of the damping particles is 1-5 mm.
Further, the density of the damping particles is 1.5-7.85 g/cm 3 。
Further, the damping particles are wear-resistant metal particles, wear-resistant nonmetallic particles or wear-resistant polymer particles.
Further, a shutter is arranged on one surface of the outer frame, which is far away from the support column.
Further, a driving motor is arranged at any corner of the outer frame, and the output end of the driving motor is connected with a belt pulley on the transmission shaft through a belt so as to drive the fan blades to rotate.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. the support column is designed, wherein, the connecting block is used for bearing the fan blade transmission shaft, and simultaneously, the upper upright post and the lower upright post are tightly connected through a fastener, so that the integral rigidity of the upright post is ensured.
2. Damping particles are filled in the inner cavity of the upright post, the damping particles in the upright post vibrate when the fan works, mechanical energy is consumed through friction and collision among the particles, and therefore vibration amplitude of the upright post is reduced, and effects of vibration reduction and noise reduction are achieved.
3. The number of the chambers in the upright post is variable, so that the same volume of all the chambers is ensured, and the matching of different damping performances can be realized by adjusting the number and the particle size of damping particles.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic front view of fig. 1.
Fig. 3 is a schematic diagram of the overall structure of the support column in fig. 1.
Reference numerals:
1. an outer frame; 2. a support column; 3. a fan blade; 4. a shutter; 5. a driving motor; 6. a belt; 7. a belt pulley; 8. a partition plate; 9. damping particles; 10. a sub-cavity;
201. a connecting block; 202. a column; 203. a clamping groove;
2011. a fixing part; 2012. an extension.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-3, the present utility model provides a particle damping box fan, which includes: the fan comprises an outer frame, a support column and fan blades.
The support columns are connected to the back of the outer frame, the upper ends and the lower ends of the support columns are respectively connected and fixed with the upper edge and the lower edge of the outer frame, the support columns are in multiple-support-column-amount rotation distribution around the center of the outer frame, the two ends of each support column are fixedly connected with the edge of the outer frame, a cavity is formed in each support column, and damping particles are filled in the cavity; the fan blades are rotationally connected to the supporting columns through transmission shafts, the transmission shafts are rotationally connected to the central positions of the supporting columns, and belt pulleys are further connected to the transmission shafts.
Utilize the transmission shaft to rotate the flabellum and connect on the support column, the support column is connected at the frame back, the flabellum holding is in the frame, form a rigid connection with flabellum and frame through the support column, simultaneously, the cavity that forms in the support column is filled with damping particle, during the flabellum rotates, the vibration that causes is transmitted to the support column, arouses damping particle's vibration in the support column, consume mechanical energy through friction and collision between the particle, and then reduce the vibration amplitude of support column, realize shock attenuation and noise reduction's effect.
Specifically, the support columns are sequentially provided with partition plates at intervals along the length direction of the support columns so as to divide the cavities into a plurality of sub-cavities, and each sub-cavity is filled with the damping particles;
the separation mode of the inside of the upright post is only one of practical application, and the practical application is determined after simulation according to specific conditions such as the size, the rotating speed and the like of the fan.
The support column includes: the connecting block and the two vertical columns are connected with the transmission shaft, clamping grooves are respectively formed in two ends of the connecting block, and the connecting block is connected between the two vertical columns through the clamping grooves;
one ends of the two upright posts are matched and inserted into the clamping grooves, the clamping grooves are connected and fastened by using fasteners such as bolts and the like, the clamping grooves and the connecting blocks form a whole, the other ends of the two upright posts are connected to the edge of the outer frame, the sub-cavities are arranged in the upright posts, the upright posts are hollow, the upright post hollow cavities are divided into a plurality of sub-cavities by a plurality of partition plates, and a certain amount of damping particles are respectively filled in each sub-cavity.
The connecting block includes: the fixing part and the extension part are connected with the fixing part in a smooth transition manner and arranged on the periphery of the fixing part, and the extension part is arranged around the center of the fixing part in a central symmetry manner;
the fixed part center is connected to the transmission shaft, and the extension part is a semi-surrounding structure or a full-surrounding structure which is coated on the end part of the upright post.
In this embodiment, the connecting block is a semi-surrounding structure, and covers the front face and the two side faces of the end part of the upright post, and the connecting block stretches into the bolt from the rear position to fasten the upright post and the extending part.
The volume of the damping particles in each sub-cavity accounts for 20% -80% of the volume of the sub-cavity, and certain friction can be generated among the damping particles when vibration is transmitted by injecting a certain amount of damping particles with a certain ratio, so that the mechanical energy is consumed, and the whole sub-cavity is not filled with the damping particles.
Wherein the particle size of the damping particles is 1-5 mm. The density of the damping particles is 1.5-7.85 g/cm 3 。
The damping particles are wear-resistant metal particles, wear-resistant nonmetallic particles or wear-resistant macromolecular particles, and the wear-resistant metal materials, nonmetallic materials or macromolecular materials are made into the damping particles, so that the damping particles are more wear-resistant, and the service life of the damping particles is prolonged.
The frame is kept away from support column one side is provided with the shutter for adjust amount of wind and wind direction.
The fan blade is characterized in that a driving motor is arranged at any corner of the outer frame, and the output end of the driving motor is connected with a belt pulley on the transmission shaft through a belt so as to drive the fan blade to rotate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A particle damping and vibration absorbing box fan, comprising: an outer frame;
at least one support column connected to the back of the outer frame, wherein a cavity is formed in the support column, and damping particles are filled in the cavity;
and the fan blades are rotationally connected to the support columns through transmission shafts.
2. The box fan according to claim 1, wherein the supporting columns are sequentially provided with partition plates at intervals along the length direction thereof so as to divide the cavities into a plurality of sub-cavities, and each sub-cavity is filled with the damping particles.
3. The box fan of claim 2, wherein the support column comprises: the transmission shaft is connected to the connecting block, and clamping grooves are respectively formed in two ends of the connecting block;
and one end of each upright post is inserted into the corresponding clamping groove in a matching way, the other end of each upright post is connected to the edge of the outer frame, and the sub-cavity is arranged in each upright post.
4. The box fan of claim 3, wherein the connection block comprises: the fixing part and the extending part are connected with the fixing part in a smooth transition mode and arranged on the periphery of the fixing part, and the extending part is arranged around the center of the fixing part in a central symmetry mode;
the fixed part center is connected to the transmission shaft, and the extension part is a semi-surrounding structure or a full-surrounding structure which is coated on the end part of the upright post.
5. The box fan of claim 4 wherein the volume of the damping particles in each of the subcavities is 20% -80% of the subcavities.
6. The box fan according to claim 5, wherein the damping particles have a particle size of 1 to 5mm.
7. The box fan of claim 6, wherein the damping particles have a density of 1.5-7.85 g/cm 3 。
8. The box fan of claim 7, wherein the damping particles are wear-resistant metal particles or wear-resistant non-metal particles.
9. The box fan of claim 5, wherein a louver is disposed on a side of the outer frame away from the support post.
10. The box fan according to claim 9, wherein a driving motor is arranged at any corner of the outer frame, and an output end of the driving motor is connected with a belt pulley on the transmission shaft through a belt so as to drive the fan blades to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321829782.0U CN220522910U (en) | 2023-07-12 | 2023-07-12 | Box fan of particle damping shock attenuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321829782.0U CN220522910U (en) | 2023-07-12 | 2023-07-12 | Box fan of particle damping shock attenuation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522910U true CN220522910U (en) | 2024-02-23 |
Family
ID=89938098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321829782.0U Active CN220522910U (en) | 2023-07-12 | 2023-07-12 | Box fan of particle damping shock attenuation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522910U (en) |
-
2023
- 2023-07-12 CN CN202321829782.0U patent/CN220522910U/en active Active
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