CN218953591U - Motor vibration reduction structure and fan - Google Patents
Motor vibration reduction structure and fan Download PDFInfo
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- CN218953591U CN218953591U CN202222932108.7U CN202222932108U CN218953591U CN 218953591 U CN218953591 U CN 218953591U CN 202222932108 U CN202222932108 U CN 202222932108U CN 218953591 U CN218953591 U CN 218953591U
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- 230000009467 reduction Effects 0.000 title claims abstract description 29
- 238000013016 damping Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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Abstract
The application provides motor vibration reduction structure and fan, wherein this motor vibration reduction structure includes first volute, second volute and motor support, wherein, interconnects through the spacing spring that even interval set up between motor support and the first volute, and the motor is fixed on motor support, and first volute and second volute set up relatively and interconnect. According to the vibration-reducing motor, the number of limiting springs are increased around the main motor of the wind wheel, the motor and the volute are fixedly connected through the limiting springs, when the centrifugal fan is operated, vibration of the wind wheel is transferred to the motor, vibration of the motor is neutralized through elastic force generated by deformation of the number of springs around the motor, vibration is effectively reduced from a motor source, vibration of the whole machine caused by high-speed vibration of the wind wheel can be effectively relieved and eliminated, noise is reduced, product quality is improved, and meanwhile user experience comfort is improved.
Description
Technical Field
The utility model relates to the technical field of bladeless fan vibration reduction, in particular to a motor vibration reduction structure and a fan.
Background
The bladeless fans on the market generally adopt centrifugal fans for air supply, because the centrifugal fans are strong in air supply capacity and large in air quantity, but the bidirectional amplitude generated by the centrifugal wind wheel is also high, and the vibration inevitably generates noise, so that the product performance and the user experience are affected. In order to avoid the shaking of the scroll and overlarge noise, the centrifugal fan type bladeless fan on the market mainly adopts a rubber pad with larger area and thicker area to perform vibration reduction and noise reduction, and the vibration reduction method has the advantages of low cost, low effect, small rebound amplitude of the rubber and weak noise reduction capability, and the rubber pad can be hardened to different degrees after being placed for a long time, so that the effective vibration reduction effect is difficult to be achieved for a long time.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a motor vibration reduction structure and a fan, wherein a plurality of limit springs are added around a motor, the motor and a volute are fixedly connected by the limit springs, and the vibration of the motor is effectively reduced from the source of the motor by utilizing the elasticity generated by the deformation of the limit springs around the motor, so that the vibration of the whole machine caused by the high-speed vibration of a wind wheel can be effectively relieved and eliminated, the noise is reduced, the quality of products is improved, and meanwhile, the experience comfort of a user is improved.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model provides a motor damping structure, includes first volute, second volute and motor support, wherein, interconnects through the spacing spring that even interval set up between motor support and the first volute, and the motor is fixed on the motor support, and first volute and second volute set up relatively and interconnect.
According to the motor vibration reduction structure, the plurality of limit springs are added around the main motor of the wind wheel, the motor and the volute are fixedly connected through the limit springs, when the centrifugal fan of the fan works, vibration of the wind wheel is transferred to the motor, the vibration of the motor is neutralized through elastic force generated by deformation of the plurality of limit springs around the motor, vibration is effectively reduced from a motor source, accordingly vibration of the whole machine caused by high-speed vibration of the wind wheel can be effectively relieved and eliminated, noise is reduced, product quality is improved, and meanwhile experience comfort of a user is improved.
Further improvements to the above described solution are possible as follows.
According to the motor vibration damping structure of the present utility model, in a preferred embodiment, the limit spring includes a torsion spring.
Compared with a compression spring, the torsion spring overcomes motor vibration caused by a wind wheel by torsion during bending, occupies small space, is more stable in stress and has stronger damping capacity. Specifically, around fan wind wheel main motor, increase the torsion spring of a week circle, make motor support and volute fixed connection through torsion spring, when the fan during operation, the motor vibration that the wind wheel arouses is transmitted to torsion spring, the vibration of motor is eliminated through the torsion that deformation produced on motor support's circumference to several torsion spring, torsion spring is in half stress state under natural state, when vibration produced, the torsion that torsion spring produced is enough to offset the vibration of motor, and the equal atress of week circle, make central motor position more stable, alleviate bladeless fan's vibration problem from the source, make the vibration noise of whole machine show the reduction, promote the use comfort of product, promote user experience.
Specifically, in a preferred embodiment, the first volute is provided with a first positioning structure connected with one end of the torsion spring, and the motor bracket is correspondingly provided with a second positioning structure connected with the other end of the torsion spring.
The torsion spring is positioned and fixed through the positioning structure, so that the torsion spring is simple, convenient, stable and reliable to assemble.
Specifically, in a preferred embodiment, the two ends of the torsion spring are respectively provided with a support end pillar and a volute end pillar, the first positioning structure comprises a positioning hole and a positioning pillar, the second positioning structure comprises a limiting pillar and a limiting hole, the tail of the volute end pillar is matched with the positioning hole, the support end pillar is matched with the limiting hole, the torsion spring is sleeved on the positioning pillar, and one end of the torsion spring is matched with the bottom of the limiting pillar.
The first positioning structure and the second positioning structure are matched with each other, so that the torsion spring can be well limited, and the working process of the torsion spring is ensured to be stable and reliable.
Further, in a preferred embodiment, a baffle is provided on the outside of the positioning column.
Through setting up the baffle, can further play spacing and guard action to torsion spring.
Further, in a preferred embodiment, the two sides of the limiting post are provided with limiting grooves, and the two sides of the baffle are respectively matched with the limiting grooves.
Through further setting up and forming complex spacing groove with the baffle, can all-round play spacing and guard action to torsion spring.
Further, in a preferred embodiment, the bottom of the positioning post is provided with a positioning boss.
Through setting up the location boss, can carry out the location well to torsion spring bottom, the afterbody and the locating hole formation cooperation of the volute end pillar of being convenient for.
Further, in a preferred embodiment, a gap of a predetermined width is provided between the motor support and the first scroll.
The hollow distance for the deformation of the spring is reserved between the motor support and the volute, so that vibration friction is avoided when the motor support is attached to the volute. According to the general vibration deviation that the vibration amplitude of the motor caused by turbine polarization is very small and is not more than 1mm, the deviation distance which is 2-3 times can be reserved in the middle, and friction is avoided. Specifically, a hollow distance for deformation of the springs is reserved between the motor support and the volute, the springs are distributed on the circumference of the motor support and are mutually extruded with the center structure of the left volute, and therefore the motor can be well fixed while being damped. The bidirectional amplitude generated by the centrifugal fan in the working state is effectively controlled, meanwhile, the vibration weakening can also delay the aging of the motion structure of the whole machine, the quality of the whole machine is improved, the reduction of the vibration noise can also improve the comfort level of the whole machine, and the user experience is improved.
Further, in a preferred embodiment, the motor support is provided with screw posts connected to the motor, and the first scroll and the second scroll are respectively provided with screw posts correspondingly.
Through set up the screw post on each spare part for the installation and the maintenance of whole motor damping structure are more simple convenient.
The fan of the second aspect of the utility model comprises the motor vibration reduction structure.
Compared with the prior art, the utility model has the advantages that: the motor and the volute are fixedly connected by the limiting springs, when the centrifugal fan of the fan works, vibration of the fan is transferred to the motor, vibration of the motor is neutralized by elastic force generated by deformation of the limiting springs around the motor, vibration is effectively reduced from a motor source, vibration of the whole machine caused by high-speed vibration of the fan can be effectively relieved and eliminated, noise is reduced, product quality is improved, and meanwhile user experience comfort is improved.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 schematically shows the overall structure of a vibration damping structure of embodiment 1 of the present utility model;
fig. 2 schematically shows a split structure of a vibration damping structure of embodiment 1 of the present utility model;
fig. 3 schematically shows an assembly structure of a first scroll and a motor bracket in embodiment 1 of the present utility model;
FIG. 4 schematically illustrates an assembled top view of the first scroll and the motor bracket in embodiment 1 of the present utility model;
FIG. 5 schematically shows an overall sectional structure of a vibration damping structure of embodiment 1 of the present utility model;
FIG. 6 is a schematic view showing an assembled sectional structure of a first scroll and a motor bracket in embodiment 1 of the present utility model;
FIG. 7 schematically shows the overall structure of the first scroll in embodiment 1 of the present utility model;
fig. 8 schematically shows the overall structure of a motor bracket in embodiment 1 of the present utility model;
fig. 9 schematically shows the overall structure of the motor in embodiment 1 of the present utility model;
FIG. 10 schematically shows the overall structure of the second scroll in embodiment 1 of the present utility model;
fig. 11 schematically shows the overall structure of the torsion spring in embodiment 1 of the present utility model;
fig. 12 schematically shows the overall structure of the fan in embodiment 2 of the present utility model.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and the specific examples, which are not intended to limit the scope of the utility model.
Fig. 1 schematically shows the overall structure of a vibration damping structure 10 of embodiment 1 of the present utility model. Fig. 2 schematically shows a split structure of a vibration damping structure 10 of embodiment 1 of the present utility model. Fig. 3 schematically shows the assembly structure of the first scroll 1 and the motor bracket 2 in embodiment 1 of the present utility model. Fig. 4 schematically shows an assembled top view of the first scroll 1 and the motor bracket 2 in embodiment 1 of the present utility model. Fig. 5 schematically shows an overall cross-sectional structure of the vibration damping structure 10 of embodiment 1 of the present utility model. Fig. 6 schematically shows an assembled sectional structure of the first scroll 1 and the motor bracket 2 in embodiment 1 of the present utility model. Fig. 7 schematically shows the overall structure of the first scroll 1 in embodiment 1 of the present utility model. Fig. 8 schematically shows the overall structure of the motor bracket 2 in embodiment 1 of the present utility model. Fig. 9 schematically shows the overall structure of the motor 3 in embodiment 1 of the present utility model. Fig. 10 schematically shows the overall structure of the second scroll 5 in embodiment 1 of the present utility model. Fig. 11 schematically shows the overall structure of the torsion spring 4 in embodiment 1 of the present utility model. Fig. 12 schematically shows the overall structure of the fan 100 in embodiment 2 of the present utility model.
Example 1
As shown in fig. 1 to 6, the motor vibration damping structure 10 of the present embodiment includes a first scroll 1, a second scroll 5, and a motor bracket 2, wherein the motor bracket 2 and the first scroll 1 are connected to each other by a spacing spring provided at uniform intervals in a circumferential direction, a motor 3 is fixed to the motor bracket 2, and the first scroll 1 and the second scroll 5 are provided opposite to each other and are connected to each other.
According to the motor vibration reduction structure provided by the embodiment of the utility model, the plurality of limit springs are added around the main motor of the fan wind wheel, the motor and the volute are fixedly connected by the limit springs, when the centrifugal fan of the bladeless fan works, the vibration of the motor is neutralized by the elasticity generated by the deformation of the plurality of springs around the motor, and the vibration is effectively reduced from the source of the motor, so that the vibration of the whole machine caused by the high-speed vibration of the wind wheel can be effectively relieved and eliminated, the noise is reduced, the quality of products is improved, and meanwhile, the experience comfort of a user is improved.
As shown in fig. 2 and 11, specifically, in the present embodiment, the stopper springs include torsion springs 4, and the number of torsion springs 4 is preferably 6 to 10, and particularly preferably 8. Compared with a compression spring, the torsion spring overcomes motor vibration caused by a wind wheel by torsion during bending, occupies small space, is more stable in stress and has stronger damping capacity. Specifically, around fan wind wheel main motor, increase the torsion spring of a week circle, make motor support and volute fixed connection through torsion spring, when the fan during operation, the motor vibration that the wind wheel arouses is transmitted to torsion spring, the vibration of motor is eliminated through the torsion that deformation produced on motor support's circumference to several torsion spring, torsion spring is in half stress state under natural state, when vibration produced, the torsion that torsion spring produced is enough to offset the vibration of motor, and the equal atress of week circle, make central motor position more stable, alleviate bladeless fan's vibration problem from the source, make the vibration noise of whole machine show the reduction, promote the use comfort of product, promote user experience.
Further, in the present embodiment, a gap of a predetermined width is provided between the motor bracket 2 and the first scroll 1. The hollow distance for the deformation of the spring is reserved between the motor support and the volute, so that vibration friction is avoided when the motor support is attached to the volute. According to the general vibration deviation that the vibration amplitude of the motor caused by turbine polarization is very small and is not more than 1mm, the deviation distance which is 2-3 times can be reserved in the middle, and friction is avoided. Specifically, a hollow distance for deformation of the springs is reserved between the motor support and the volute, the springs are distributed on the circumference of the motor support and are mutually extruded with the center structure of the left volute, and therefore the motor can be well fixed while being damped. The bidirectional amplitude generated by the centrifugal fan in the working state is effectively controlled, meanwhile, the vibration weakening can also delay the aging of the motion structure of the whole machine, the quality of the whole machine is improved, the reduction of the vibration noise can also improve the comfort level of the whole machine, and the user experience is improved.
As shown in fig. 1 to 8, specifically, in the present embodiment, a first positioning structure connected to one end of the torsion spring 4 is provided on the first scroll 1, and a second positioning structure connected to the other end of the torsion spring 4 is provided correspondingly on the motor bracket 2. The torsion spring is positioned and fixed through the positioning structure, so that the torsion spring is simple, convenient, stable and reliable to assemble. Specifically, in the present embodiment, the two ends of the torsion spring 4 are respectively provided with the bracket end support column 42 and the volute end support column 41, the first positioning structure comprises the positioning hole 11 and the positioning column 12, the second positioning structure comprises the limiting column 21 and the limiting hole 22, the tail of the volute end support column 41 is matched with the positioning hole 11, the bracket end support column 42 is matched with the limiting hole 22, the torsion spring 4 is sleeved on the positioning column 12, and one end of the torsion spring is matched with the bottom of the limiting column 21. The first positioning structure and the second positioning structure are matched with each other, so that the torsion spring can be well limited, and the working process of the torsion spring is ensured to be stable and reliable.
Further, as shown in fig. 7, in the present embodiment, the outside of the positioning column 12 is provided with a baffle 13. Through setting up the baffle, can further play spacing and guard action to torsion spring. Further, in the present embodiment, the bottom of the positioning post 12 is provided with a positioning boss 14. Through setting up the location boss, can carry out the location well to torsion spring bottom, the afterbody and the locating hole formation cooperation of the volute end pillar of being convenient for.
Further, as shown in fig. 8, in the present embodiment, the limit posts 21 are provided with limit grooves 23 on both sides, and both sides of the baffle 13 are respectively engaged with the limit grooves 23. Through further setting up and forming complex spacing groove with the baffle, can all-round play spacing and guard action to torsion spring.
As shown in fig. 7 to 10, further, in the present embodiment, 3 sets of screw posts 24 connected to the motor 3 are provided on the motor bracket 2, 4 sets of screw posts 15, 51 are provided on the motor 3, respectively, on the first scroll 1 and the second scroll 5. Through set up the screw post on each spare part for the installation and the maintenance of whole motor damping structure are more simple convenient.
Example 2
As shown in fig. 12, a fan 100 according to an embodiment of the present utility model includes the motor vibration reduction structure 10 described above.
According to the motor vibration reduction structure and the fan, the limit springs are added around the main motor of the wind wheel, the motor and the volute are fixedly connected through the limit springs, when the centrifugal fan works, vibration of the motor is neutralized by elastic force generated by deformation of the springs around the motor when vibration of the wind wheel is transmitted to the motor, vibration is effectively reduced from a motor source, and accordingly vibration of the whole machine caused by high-speed vibration of the wind wheel can be effectively relieved and eliminated, noise is reduced, product quality is improved, and meanwhile experience comfort of a user is improved.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The motor vibration reduction structure is characterized by comprising a first volute, a second volute and a motor bracket; wherein,,
the motor bracket is connected with the first volute through spacing springs which are uniformly arranged at intervals;
the motor is fixed on the motor bracket, and the first volute and the second volute are oppositely arranged and connected with each other.
2. The motor vibration reduction structure according to claim 1, wherein the limit spring comprises a torsion spring.
3. The motor vibration reduction structure according to claim 2, wherein a first positioning structure connected with one end of the torsion spring is provided on the first scroll, and a second positioning structure connected with the other end of the torsion spring is provided on the motor bracket correspondingly.
4. A motor vibration reducing structure according to claim 3, wherein both ends of the torsion spring are provided with a bracket end support and a scroll end support, respectively;
the first positioning structure comprises a positioning hole and a positioning column, and the second positioning structure comprises a limiting column and a limiting hole;
the tail of the volute end support column is matched with the positioning hole, the support end support column is matched with the limiting hole, the torsion spring is sleeved on the positioning column, and one end of the torsion spring is matched with the bottom of the limiting column.
5. The motor vibration reduction structure according to claim 4, wherein a baffle is provided on an outer side of the positioning column.
6. The motor vibration reduction structure according to claim 5, wherein limiting grooves are formed in two sides of the limiting column, and two sides of the baffle are respectively matched with the limiting grooves.
7. The motor vibration reduction structure according to any one of claims 4 to 6, wherein a bottom of the positioning column is provided with a positioning boss.
8. The motor vibration reduction structure according to any one of claims 1 to 6, characterized in that a gap of a preset width is provided between the motor bracket and the first scroll.
9. The motor vibration reduction structure according to any one of claims 1 to 6, wherein screw posts connected to the motor are provided on the motor bracket, and screw posts are provided on the first scroll and the second scroll, respectively, correspondingly.
10. A fan comprising a motor vibration damping structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222932108.7U CN218953591U (en) | 2022-11-03 | 2022-11-03 | Motor vibration reduction structure and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222932108.7U CN218953591U (en) | 2022-11-03 | 2022-11-03 | Motor vibration reduction structure and fan |
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| Publication Number | Publication Date |
|---|---|
| CN218953591U true CN218953591U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222932108.7U Active CN218953591U (en) | 2022-11-03 | 2022-11-03 | Motor vibration reduction structure and fan |
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| Country | Link |
|---|---|
| CN (1) | CN218953591U (en) |
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- 2022-11-03 CN CN202222932108.7U patent/CN218953591U/en active Active
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