CN219740113U - DC motor with noise reduction function - Google Patents
DC motor with noise reduction function Download PDFInfo
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- CN219740113U CN219740113U CN202321214521.8U CN202321214521U CN219740113U CN 219740113 U CN219740113 U CN 219740113U CN 202321214521 U CN202321214521 U CN 202321214521U CN 219740113 U CN219740113 U CN 219740113U
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- sound insulation
- fixed
- insulation plates
- motor
- motor body
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- 238000009413 insulation Methods 0.000 claims abstract description 46
- 229920000742 Cotton Polymers 0.000 claims description 27
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000005284 excitation Effects 0.000 description 7
- 239000007787 solid Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a direct current motor with a noise reduction function, which relates to the field of direct current motors and comprises a motor body, wherein one end of the motor body is provided with a first fixed disk, the middle part of one side of the motor body is provided with a driving shaft, the driving shaft extends out of the first fixed disk, a plurality of first fixed holes are uniformly formed in the edge of the first fixed disk, a plurality of first sound insulation plates are uniformly arranged on the outer ring of the motor body, the plurality of first sound insulation plates are circumferentially arranged on the outer ring of the motor body, grooves are formed in two sides of the first sound insulation plates, noise generated during operation of the motor body is firstly transmitted to the plurality of first sound insulation plates uniformly arranged on the outer ring of the motor body through a shell, one part of noise is absorbed by the first sound insulation plates, and the other part of noise is transmitted to the air. At this time, the noise is collected by the other part of noise by being matched with the fixed sound insulation device, and the noise transmitted to the outside is reduced.
Description
Technical Field
The utility model relates to the field of direct current motors, in particular to a direct current motor with a noise reduction function.
Background
The direct current motor is a motor for converting direct current electric energy into mechanical energy, and is widely used in electric traction due to its good speed regulation performance. The direct current motor is divided into 3 types of permanent magnet, separate excitation and self excitation according to excitation modes, wherein the self excitation is divided into 3 types of shunt excitation, series excitation and compound excitation.
However, when the direct current motor operates, noise is usually accompanied, a certain noise hazard is brought to actual production, the production and the processing are not facilitated, if a large sound insulation device is additionally arranged, the space of the motor can be occupied, and the general sound insulation device is fixedly connected to the shell and is not easy to detach.
Therefore, it is necessary to provide a dc motor with a noise reduction function to solve the above problems.
Disclosure of Invention
The utility model aims to provide a direct current motor with a noise reduction function so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a direct current motor with function of making an uproar is fallen, includes motor body, motor body's one end is provided with first fixed disk, motor body one side middle part is provided with the drive shaft, the drive shaft stretches out first fixed disk, a plurality of first fixed orifices have evenly been seted up at first fixed disk's border, evenly be provided with a plurality of first acoustic celotex boards on motor body's the outer lane, a plurality of first acoustic celotex board encircles and sets up on motor body's the outer lane, all set up flutedly in first acoustic celotex board's both sides, be provided with first sound cotton of inhaling between two liang of first acoustic celotex boards, one side that first sound cotton of inhaling is provided with the third sound cotton of inhaling, motor body is kept away from one side of first fixed disk and is provided with the chassis, a plurality of the outside cover of first acoustic celotex board is equipped with fixed acoustic device.
Preferably, the fixed sound insulation device comprises a second fixed disk, a second fixed hole and a fixed ring.
Preferably, a plurality of second sound insulation plates are uniformly arranged on one side, close to the first fixed plate, of the second fixed plate, and the second sound insulation plates are in sliding fit in the grooves between the two first sound insulation plates.
Preferably, the inner side of the second sound insulation plate is provided with a layer of second sound absorbing cotton, the second fixing holes are formed in a plurality of positions, the second fixing holes are formed in the inner edge of the second fixing plate, and the positions of the second fixing holes are corresponding to those of the first fixing holes.
Preferably, the fixed ring is sleeved on the outer sides of the second sound insulation plates, a threaded hole is formed in the outer ring of the fixed ring, and a fixing screw is installed in threaded fit with the threaded hole.
Preferably, the first sound-absorbing cotton and the third sound-absorbing cotton are provided with heat dissipation holes.
The utility model has the technical effects and advantages that:
1. when the motor body works, generated noise can be transmitted to a plurality of first sound insulation plates uniformly arranged on the outer ring of the motor body through the shell, one part of noise can be absorbed by the first sound insulation plates, and the other part of noise can be transmitted to the air. At this time, the noise is collected by the other part of noise by being matched with the fixed sound insulation device, and the noise transmitted to the outside is reduced.
2. Can sliding fit second acoustic celotex board in the recess between two first acoustic celotex boards, form a airtight space, absorb the noise, the inboard of second acoustic celotex board is provided with the one deck second in addition and inhales the sound cotton, and first sound cotton and the third of inhaling inhale on the outer lane of motor body inhale the sound cotton, can absorb the noise again, and in addition three acoustic celotex board can keep apart between battery body and the fixed acoustic celotex board, prevents friction and collision.
3. In order to strengthen the fixing strength, the fixing ring can be sleeved on the outer sides of the second sound insulation plates, the second sound insulation plates are clamped between the two second sound insulation plates, and the fixing ring is fastened by fixing screws.
Drawings
Fig. 1 is a schematic view of a perspective structure of a dc motor with noise reduction function according to the present utility model.
Fig. 2 is a schematic view of another view angle structure of the dc motor with noise reduction function according to the present utility model.
In the figure: 1. a motor body; 2. a first fixed plate; 3. a first fixing hole; 4. a drive shaft; 5. a first baffle; 6. a groove; 7. a first sound absorbing cotton; 8. a chassis; 9. a fixing ring; 10. a set screw; 11. a second fixed disk; 12. a second fixing hole; 13. a second baffle; 14. a second sound-absorbing cotton; 15. a third sound-absorbing cotton; 16. a heat radiation hole; 17. and fixing the sound insulation device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a direct current motor with a noise reduction function, as shown in fig. 1-2, which comprises a motor body 1, wherein one end of the motor body 1 is provided with a first fixed disk 2, the middle part of one side of the motor body 1 is provided with a driving shaft 4, the driving shaft 4 extends out of the first fixed disk 2, the edge of the first fixed disk 2 is uniformly provided with a plurality of first fixed holes 3, the outer ring of the motor body 1 is uniformly provided with a plurality of first sound insulation plates 5, the plurality of first sound insulation plates 5 are arranged on the outer ring of the motor body 1 in a surrounding manner, the two sides of the first sound insulation plates 5 are provided with grooves 6, a first sound absorption cotton 7 is arranged between every two first sound insulation plates 5, one side of the first sound absorption cotton 7 is provided with a third sound absorption cotton 15, the first sound absorption cotton 7 and the third sound absorption cotton 15 are attached to the outer ring of the motor body 1, the side of the motor body 1, which is far away from the first fixed disk 2 is provided with a chassis 8, and the outer sides of the plurality of first sound insulation plates 5 are sleeved with a fixed sound insulation device 17.
In the actual operation of the present utility model, when the motor body 1 works, the generated noise is firstly transmitted to the plurality of first sound insulation plates 5 uniformly arranged on the outer ring of the motor body 1 through the shell, one part of the noise is absorbed by the first sound insulation plates 5, and the other part of the noise is transmitted to the air.
At this time, the noise is collected by the fixing and sound insulating device 17, and the noise transmitted to the outside is reduced.
The fixed soundproof device 17 includes a second fixing plate 11, a second fixing hole 12, and a fixing ring 9.
A plurality of second sound insulation plates 13 are uniformly arranged on one side of the second fixed disc 11, which is close to the first fixed disc 2, and the second sound insulation plates 13 are in sliding fit in the grooves 6 between the two first sound insulation plates 5.
In actual operation of the utility model, the second acoustic baffle 13 can be slidably matched in the groove 6 between the two first acoustic baffles 5 to form a closed space for absorbing noise, in addition, a layer of second acoustic cotton 14 is arranged on the inner side of the second acoustic baffle 13, and the first acoustic cotton 7 and the third acoustic cotton 15 on the outer ring of the motor body 1 can absorb noise again, in addition, the three acoustic cotton can isolate the motor body 1 from the fixed acoustic baffle 17, so that friction and collision are prevented.
The second fixing holes 12 are arranged in a plurality, and the second fixing holes 12 are arranged on the inner edge of the second fixing plate 11, and the positions of the second fixing holes 12 and the first fixing holes 3 are corresponding.
The installer can fix the second fixing hole 12 and the first fixing hole 3 by screws to prevent detachment.
The outer sides of a plurality of second acoustic baffles 13 are located to solid fixed ring 9 cover, and the screw hole has been seted up on solid fixed ring 9's the outer lane, and screw hole internal thread fit installs fixed screw 10.
In order to enhance the fixing strength, the fixing ring 9 may be sleeved on the outer sides of the plurality of second sound insulation plates 13, the second sound insulation plates 13 are engaged between the two second sound insulation plates 13, and the fixing ring 9 is fastened by the fixing screw 10.
Claims (6)
1. The utility model provides a direct current motor with function of making an uproar, includes motor body (1), its characterized in that: the motor comprises a motor body (1), and is characterized in that one end of the motor body (1) is provided with a first fixed disk (2), a driving shaft (4) is arranged in the middle of one side of the motor body (1), the driving shaft (4) extends out of the first fixed disk (2), a plurality of first fixed holes (3) are uniformly formed in the edge of the first fixed disk (2), a plurality of first sound insulation plates (5) are uniformly arranged on the outer ring of the motor body (1), the first sound insulation plates (5) are arranged on the outer ring of the motor body (1) in a surrounding mode, grooves (6) are formed in two sides of the first sound insulation plates (5), first sound absorption cotton (7) are arranged between the two first sound insulation plates (5), a third sound absorption cotton (15) is arranged on one side of the first sound absorption cotton (7), a chassis (8) is arranged on one side, far away from the first fixed disk (2), and a plurality of fixed sound insulation devices (17) are sleeved on the outer side of the first sound insulation plates (5).
2. A dc motor with noise reduction function according to claim 1, characterized in that: the fixed sound insulation device (17) comprises a second fixed disc (11), a second fixed hole (12) and a fixed ring (9).
3. A dc motor with noise reduction function according to claim 2, characterized in that: a plurality of second sound insulation plates (13) are uniformly arranged on one side, close to the first fixed plate (2), of the second fixed plate (11), and the second sound insulation plates (13) are in sliding fit in the grooves (6) between the two first sound insulation plates (5).
4. A direct current motor with noise reduction function according to claim 3, characterized in that: the inside of second acoustic celotex board (13) is provided with one deck second and inhales cotton (14), second fixed orifices (12) are provided with a plurality ofly, and second fixed orifices (12) are seted up on the inner edge of second fixed disk (11), the position of second fixed orifices (12) and first fixed orifices (3) are corresponding.
5. A direct current motor with noise reduction function according to claim 3, characterized in that: the fixing rings (9) are sleeved on the outer sides of the second sound insulation plates (13), threaded holes are formed in the outer rings of the fixing rings (9), and fixing screws (10) are installed in threaded fit with the threaded holes.
6. A dc motor with noise reduction function according to claim 1, characterized in that: and the first sound-absorbing cotton (7) and the third sound-absorbing cotton (15) are provided with heat dissipation holes (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214521.8U CN219740113U (en) | 2023-05-19 | 2023-05-19 | DC motor with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214521.8U CN219740113U (en) | 2023-05-19 | 2023-05-19 | DC motor with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219740113U true CN219740113U (en) | 2023-09-22 |
Family
ID=88062704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321214521.8U Active CN219740113U (en) | 2023-05-19 | 2023-05-19 | DC motor with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219740113U (en) |
-
2023
- 2023-05-19 CN CN202321214521.8U patent/CN219740113U/en active Active
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