CN217107502U - Fan vibration and noise reduction structure - Google Patents
Fan vibration and noise reduction structure Download PDFInfo
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- CN217107502U CN217107502U CN202220240069.1U CN202220240069U CN217107502U CN 217107502 U CN217107502 U CN 217107502U CN 202220240069 U CN202220240069 U CN 202220240069U CN 217107502 U CN217107502 U CN 217107502U
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- motor
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Abstract
The utility model provides a fan damping and noise reduction structure, which comprises a motor, fan unit and heat shield, the fan unit suit is on the output shaft of motor, be provided with the motor installation department on the motor, be provided with the motor support column on the heat shield, motor installation department suit is on the motor support column, the cover has first pad and the second pad of moving away to avoid possible earthquakes on the motor support column, first pad of moving away to avoid possible earthquakes, the second moves away to avoid possible earthquakes and fills up the both sides that are located the motor installation department respectively, the motor is fixed on the heat shield through setting up first fastener on the motor support column, the second moves away to avoid possible earthquakes and is provided with first flat pad between pad and the first fastener. The utility model discloses a set up the pad of moving away to avoid possible earthquakes respectively in the both sides of motor installation department, there is not hard up clearance between the mounting hole of motor installation department and the motor support column of heat exchanger, press from both sides tightly between the pad of moving away to avoid possible earthquakes through two, the flat pad of rethread tightens up fixedly with the screw, when high-speed motor drives radiator fan, heating fan high-speed rotatory, the resonance that produces is absorbed by the polylith pad of moving away to avoid possible earthquakes, can reduce the noise that resonance between the part produced.
Description
Technical Field
The utility model relates to a fan, in particular to fan damping falls structure of making an uproar.
Background
Along with the continuous development of household electrical appliances, the performance of product is higher and higher, under the higher and higher circumstances of the rotational speed of fan, can produce resonance after unbalanced or the assembly between the part when the fan blade rotates, and the resonance noise that produces when leading to the product to use is higher and higher, influences the product and experiences the sense, reduces product grade.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan damping that simple structure, simple to operate, noise are little, user experience feel good, the practicality is strong falls the structure of making an uproar to overcome the weak point among the prior art.
Structure of making an uproar falls in fan damping according to this purpose design, including motor, fan module and thermal shroud, fan module suit is on the output shaft of motor, its characterized in that: be provided with the motor installation department on the motor, be provided with the motor support column on the heat shield, motor installation department suit has first pad and the second pad of moving away to avoid possible earthquakes on the motor support column, and first pad, the second pad of moving away to avoid possible earthquakes is located the both sides of motor installation department respectively, and the motor is fixed on the heat shield through setting up first fastener on the motor support column, and the second is moved away to avoid possible earthquakes and is provided with first flat pad between pad and the first fastener.
The first shock-absorbing pad is located between the heat shield and the motor installation part, the second shock-absorbing pad is located between the motor installation part and the first flat pad, and the first fastener sequentially penetrates through the first flat pad, the second shock-absorbing pad and the first shock-absorbing pad.
The motor is provided with a motor fixing plate, and the motor mounting part is annularly arranged on the peripheral side of the motor fixing plate.
The fan assembly comprises a heat radiating fan and a heating fan, a second flat pad, a shaft sleeve and a third shock-proof pad are sleeved on an output shaft of the motor, the third shock-proof pad is located between the motor fixing plate and the heat radiating fan, and the shaft sleeve is located between the heat radiating fan and the heating fan.
The end part of the output shaft of the motor is provided with a second fastening piece, the second fastening piece locks the heat radiation fan and the heating fan on the output shaft of the motor, and the second flat pad is positioned between the heating fan and the second fastening piece.
The heat dissipation fan and the heating fan are located in the heat insulation cover, the motor is located outside the heat insulation cover, and the heat dissipation fan is located between the heating fan and the motor fixing plate.
The first shock absorbing pad, the second shock absorbing pad and the third shock absorbing pad are made of soft rubber materials.
The first and second flat pads are made of a metal material.
The utility model discloses a set up the pad of moving away to avoid possible earthquakes respectively in the both sides of motor installation department, there is not hard up clearance between the mounting hole of motor installation department and the motor support column of heat exchanger, through pressing from both sides between two pads of moving away to avoid possible earthquakes and pressing from both sides tightly, and then tighten up fixedly through flat pad and screw, when high-speed motor drives radiator fan, heating fan high-speed rotatory, the unbalance between the part and not hard up clearance thereby produce resonance and noise, resonance is absorbed by polylith pad of moving away to avoid possible earthquakes this moment, resonance after the absorption can reduce the noise that resonance between the part produced; in addition, the assembly mode of the motor is not influenced by the swing direction of the motor, and the effects of vibration reduction and noise reduction can be achieved; the device has the characteristics of simple assembly, universal material and strong realizability.
Drawings
Fig. 1 is the utility model discloses an embodiment of the overall structure schematic diagram of fan damping noise reduction structure.
Fig. 2 is a side view of a vibration and noise reduction structure of a fan according to an embodiment of the present invention.
Fig. 3 is an exploded view of a vibration and noise reduction structure of a fan according to an embodiment of the present invention.
Fig. 4 is a top view of a vibration and noise reduction structure of a fan according to an embodiment of the present invention.
Fig. 5 is an enlarged sectional view taken along the line a-a in fig. 4.
Fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, this fan damping and noise reducing structure, including high-speed motor 1, fan module and heat exchanger 2, fan module suit is on the output shaft 1.1 of motor 1, be provided with motor installation department 1.2 on the motor 1, be provided with motor support post 2.1 on the heat exchanger 2, the mounting hole suit on the motor installation department 1.2 is on motor support post 2.1, the cover has first shock pad 3 and second shock pad 4 on the motor support post 2.1, first shock pad 3, second shock pad 4 is located the both sides of motor installation department 1.2 respectively, motor 1 sets up screw 5 through the screw hole on motor support post 2.1 and fixes on heat exchanger 2, be provided with first flat pad 6 between the screw head of second shock pad 4 and screw 5. The vibration and noise reduction structure of the fan can solve the problem of a small amount of unbalanced parts or part gap resonance sound when the fan rotates at a high speed, but cannot solve the problem of resonance noise generated by large part deformation, serious core deviation of parts during rotation and large part assembly looseness.
The first shock pad 3 is located between the heat shield 2 and the motor mounting part 1.2, the second shock pad 4 is located between the motor mounting part 1.2 and the first flat pad 6, and the screw 5 sequentially penetrates through the first flat pad 6, the second shock pad 4 and the first shock pad 3.
Be provided with motor fixed plate 1.3 on the motor 1, motor installation department 1.2 annular sets up in motor fixed plate 1.3's week side, and the motor installation department 1.2 of this embodiment sets up 3.
The fan assembly comprises a heat radiation fan 7 and a heating fan 8, a second flat pad 9, a shaft sleeve 10 and a third shock pad 11 are sleeved on an output shaft 1.1 of the motor 1, the third shock pad 11 is positioned between a motor fixing plate 1.3 and the heat radiation fan 7, and the shaft sleeve 10 is positioned between the heat radiation fan 7 and the heating fan 8; the third cushion 11 also functions to absorb resonance and reduce noise when the motor 1 rotates at a high speed.
The end of the output shaft 1.1 of the motor 1 is provided with a locking nut 12, the locking nut 12 locks the heat radiation fan 7 and the heating fan 8 on the output shaft 1.1 of the motor 1, and the second flat pad 9 is positioned between the heating fan 8 and the locking nut 12.
The heat radiation fan 7 and the heating fan 8 are positioned inside the heat shield 2, the motor 1 is positioned outside the heat shield 2, and the heat radiation fan 7 is positioned between the heating fan 8 and the motor fixing plate 1.3.
The first cushion 3, the second cushion 4 and the third cushion 11 are made of soft rubber.
The first and second pads 6 and 9 are made of a metal material.
The installation process of the motor 1 is as follows:
as shown in fig. 6: the first shock-absorbing pad 3 is respectively sleeved at three motor supporting columns 2.1 of the heat shield 2, then the motor installation part 1.2 of the motor 1 is sleeved on the motor supporting column 2.1, then the second shock-absorbing pad 4 is respectively sleeved at the three motor supporting columns 2.1, then the first flat pad 6 is respectively added at the three motor supporting columns 2.1, and finally the motor 1 is locked through a screw 5.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a fan damping falls structure of making an uproar, includes motor (1), fan assembly and separates heat exchanger (2), and fan assembly suit is on output shaft (1.1) of motor (1), its characterized in that: be provided with motor installation department (1.2) on motor (1), be provided with motor support post (2.1) on heat exchanger (2), motor installation department (1.2) suit is on motor support post (2.1), the cover has first shock pad (3) and second to move away to avoid possible earthquakes pad (4) on motor support post (2.1), first shock pad (3) of moving away to avoid possible earthquakes, second shock pad (4) are located the both sides of motor installation department (1.2) respectively, motor (1) is fixed on heat exchanger (2) through setting up first fastener (5) on motor support post (2.1), second shock pad (4) and first fastener (5) between be provided with first flat pad (6).
2. The vibration and noise reduction structure of the fan according to claim 1, wherein: first shock attenuation pad (3) are located between heat exchanger (2) and the motor installation department (1.2), and second shock attenuation pad (4) are located between motor installation department (1.2) and first flat pad (6), and first fastener (5) pass first flat pad (6), second shock attenuation pad (4) and first shock attenuation pad (3) in proper order.
3. The vibration and noise reduction structure of the fan according to claim 2, wherein: the motor (1) is provided with a motor fixing plate (1.3), and the motor mounting part (1.2) is annularly arranged on the periphery of the motor fixing plate (1.3).
4. The vibration and noise reduction structure of the fan according to claim 3, wherein: the fan assembly comprises a heat radiation fan (7) and a heating fan (8), a second flat pad (9), a shaft sleeve (10) and a third shock-proof pad (11) are sleeved on an output shaft (1.1) of the motor (1), the third shock-proof pad (11) is positioned between a motor fixing plate (1.3) and the heat radiation fan (7), and the shaft sleeve (10) is positioned between the heat radiation fan (7) and the heating fan (8).
5. The vibration and noise reduction structure of the fan according to claim 4, wherein: the end part of an output shaft (1.1) of the motor (1) is provided with a second fastening piece (12), the second fastening piece (12) locks the heat radiation fan (7) and the heating fan (8) on the output shaft (1.1) of the motor (1), and the second flat pad (9) is positioned between the heating fan (8) and the second fastening piece (12).
6. The vibration and noise reduction structure of the fan according to claim 5, wherein: the heat dissipation fan (7) and the heating fan (8) are located inside the heat shield (2), the motor (1) is located outside the heat shield (2), and the heat dissipation fan (7) is located between the heating fan (8) and the motor fixing plate (1.3).
7. The vibration and noise reduction structure of the fan according to any one of claims 4 to 6, wherein: the first shock absorbing pad (3), the second shock absorbing pad (4) and the third shock absorbing pad (11) are made of soft rubber materials.
8. The vibration and noise reduction structure of the fan according to any one of claims 4 to 6, wherein: the first flat cushion (6) and the second flat cushion (9) are made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240069.1U CN217107502U (en) | 2022-01-27 | 2022-01-27 | Fan vibration and noise reduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240069.1U CN217107502U (en) | 2022-01-27 | 2022-01-27 | Fan vibration and noise reduction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217107502U true CN217107502U (en) | 2022-08-02 |
Family
ID=82598979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220240069.1U Active CN217107502U (en) | 2022-01-27 | 2022-01-27 | Fan vibration and noise reduction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217107502U (en) |
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2022
- 2022-01-27 CN CN202220240069.1U patent/CN217107502U/en active Active
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