CN211296437U - Generator casing with noise reduction structure - Google Patents
Generator casing with noise reduction structure Download PDFInfo
- Publication number
- CN211296437U CN211296437U CN202020028836.3U CN202020028836U CN211296437U CN 211296437 U CN211296437 U CN 211296437U CN 202020028836 U CN202020028836 U CN 202020028836U CN 211296437 U CN211296437 U CN 211296437U
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- Prior art keywords
- silencing
- plate
- sound
- shell
- seat
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- 230000009467 reduction Effects 0.000 title claims description 14
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 230000030279 gene silencing Effects 0.000 claims description 92
- 239000000463 material Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000011435 rock Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 9
- 238000005192 partition Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a generator housing with structure of making an uproar falls in amortization, including base, shell, inner shell and the chamber that gives sound insulation, the top of base is equipped with the shell, and the inside of shell is equipped with the inner shell, is equipped with the sound insulation chamber between inner shell and the shell. The utility model discloses generator housing with structure of making an uproar falls in amortization, the noise passes in the underframe enters into the sound-proof slot, simultaneously inhale between the baffle that the sound cotton carries out certain absorption to the noise sound wave, slow down the vibrations of sound wave, the second acoustical panel receives the vibrations of sound wave and drives the second spring and take place to rock, slow down the transmission of sound wave, simultaneously the sound wave is through first amortization seat and second amortization seat and inner panel when contacting, the micropore has been seted up on the inner wall of inner panel evenly, make the sound wave carry out refraction many times in the inside of micropore, reduce the outside propagation of sound wave, can the effectual noise that reduces the engine and produce in the course of the work, alleviate the influence of noise to the staff.
Description
Technical Field
The utility model relates to a generator housing technical field specifically is a generator housing with structure of making an uproar falls in amortization.
Background
An engine is a machine that can convert other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is suitable for a power generation device, and can also refer to the whole machine comprising the power device, and a large amount of noise can be generated in the working process of the engine, so that the surrounding working environment and the normal work of workers are seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a generator housing with structure of making an uproar falls in amortization can the effectual noise that reduces the engine and produce in the course of the work, alleviates the noise and to staff's influence, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a generator shell with a noise reduction structure comprises a base, an outer shell, an inner shell and a sound insulation cavity, wherein the outer shell is arranged at the top of the base, the inner shell is arranged inside the outer shell, and the sound insulation cavity is arranged between the inner shell and the outer shell;
the base includes bottom plate, underframe, sound insulation groove, baffle and inhales the sound cotton, the top fixed mounting of bottom plate has the underframe, the sound insulation groove has been seted up to the inside of underframe, the inside in sound insulation groove is equipped with the baffle, the one end fixed mounting of baffle is on the bottom plate, the other end fixed mounting of baffle is on the underframe, two be equipped with between the baffle and inhale the sound cotton.
Preferably, the inner shell comprises an inner plate, an inner groove, a connecting groove, a first silencing seat, a first silencing plate, a first silencing pad, a first spring, a second silencing seat, a second silencing plate, a second silencing pad and a second spring, the inner groove is formed in the inner plate, the connecting groove is formed in one side of the inner groove, the first silencing seat is fixedly mounted on the inner wall of the inner plate, the first silencing plate is arranged in the first silencing seat, the first silencing pad is arranged on the outer side of the first silencing plate, the first silencing pad is fixedly mounted on the first silencing seat, the first spring is fixedly connected to the inner side of the first silencing plate, one end, far away from the first silencing plate, of the first spring is fixedly mounted on the inner plate, the second silencing seat is fixedly connected to the top of the first silencing seat, the second silencing plate is arranged in the second silencing seat, and the second silencing pad is arranged on the outer side of the second silencing plate, the second silencing pad is fixedly mounted on the second silencing seat, a second spring is fixedly connected to the inner side of the second silencing plate, and one end, far away from the second silencing plate, of the second spring is fixedly mounted on the inner plate.
Preferably, the first silencing pad and the second silencing pad are both made of rubber materials.
Preferably, micropores are uniformly formed in the inner wall of the inner plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a generator housing with noise elimination and reduction structure, when the noise is propagated to the bottom, the noise passes the underframe and enters into the sound insulation groove, the baffle in the sound insulation groove blocks the noise, simultaneously the sound-absorbing cotton between the baffles absorbs the noise sound wave to a certain extent, the vibration of the sound wave is slowed down, the noise reduction effect is achieved, when the noise is propagated to both sides, the first acoustical board receives the vibration of the sound wave to drive the first spring to rock, the transmission of the sound wave is slowed down, the first acoustical board contacts with the first acoustical pad when rocking, the first acoustical pad slows down the rock of the first acoustical board, when the noise is propagated to the top, the second acoustical board receives the vibration of the sound wave to drive the second spring to rock, the transmission of the sound wave is slowed down, the second acoustical board contacts with the second acoustical pad when rocking, the second acoustical pad slows down the rock of the second acoustical board, simultaneously the sound wave contacts with the second acoustical board and the inner plate through the first acoustical pad, the micropore has been seted up on the inner wall of inner panel evenly, makes the sound wave carry out refraction many times in micropore's inside, reduces the outside propagation of sound wave, reaches the effect of making an uproar of falling, can the effectual noise that reduces the engine and produce in the course of the work, alleviates the noise and to staff's influence.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the base of the present invention;
fig. 3 is a cross-sectional view of the inner shell of the present invention;
fig. 4 is a partial enlarged view of the inner shell of the present invention.
In the figure: 1. a base; 11. a base plate; 12. a bottom frame; 13. a sound insulation groove; 14. a partition plate; 15. sound-absorbing cotton; 2. a housing; 3. an inner shell; 31. an inner plate; 32. an inner tank; 33. connecting grooves; 34. a first silencing seat; 35. a first acoustical panel; 36. a first sound-deadening pad; 37. a first spring; 38. a second silencing seat; 39. a second acoustical panel; 310. a second sound-deadening pad; 311. a second spring; 4. a sound insulation cavity.
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. 1-2, a generator housing with noise reduction and noise reduction structure includes a base 1, an outer shell 2, an inner shell 3 and a sound insulation cavity 4, the outer shell 2 is disposed on the top of the base 1, the inner shell 3 is disposed inside the outer shell 2, the sound insulation cavity 4 is disposed between the inner shell 3 and the outer shell 2, the base 1 includes a bottom plate 11, a bottom frame 12, a sound insulation groove 13, a partition plate 14 and sound absorption cotton 15, the bottom frame 11 is fixedly mounted on the top, the bottom frame 12 is disposed inside the bottom frame 12, the sound insulation groove 13 is disposed inside the sound insulation groove 13, the partition plate 14 is disposed inside the sound insulation groove 13, one end of the partition plate 14 is fixedly mounted on the bottom plate 11, the other end of the partition plate 14 is fixedly mounted on the bottom frame 12, the sound absorption cotton 15 is disposed between the two partition plates 14, when noise propagates to the bottom, the noise passes through the bottom frame 12 to enter the sound insulation groove 13, the partition plate 14 blocks the noise, and, the vibration of sound waves is slowed down, and the noise reduction effect is achieved.
Referring to fig. 3-4, the inner shell 3 includes an inner plate 31, an inner groove 32, a connecting groove 33, a first silencing seat 34, a first silencing plate 35, a first silencing pad 36, a first spring 37, a second silencing seat 38, a second silencing plate 39, a second silencing pad 310 and a second spring 311, wherein the inner wall of the inner plate 31 is uniformly provided with micro holes for allowing sound waves to refract inside the micro holes for multiple times and reducing outward propagation of the sound waves, the inner groove 32 is provided inside the inner plate 31, the connecting groove 33 is provided on one side of the inner groove 32, the first silencing seat 34 is fixedly mounted on the inner wall of the inner plate 31, the first silencing plate 35 is provided inside the first silencing seat 34, the first silencing pad 36 is provided on the outer side of the first silencing plate 35, the first spring 37 is fixedly connected to the inner side of the first silencing plate 35, one end of the first spring 37, which is far away from the first silencing plate 35, is fixedly mounted on the inner plate 31, when noise is transmitted to two sides, the first silencing plate 35 is vibrated by sound waves to drive the first spring 37 to shake and slow down the transmission of the sound waves, the first silencing plate 35 is contacted with the first silencing pad 36 when shaking, the first silencing pad 36 slows down the shaking of the first silencing plate 35, the top of the first silencing seat 34 is fixedly connected with the second silencing seat 38, the second silencing plate 39 is arranged inside the second silencing seat 38, the outer side of the second silencing plate 39 is provided with the second silencing pad 310, the first silencing pad 36 and the second silencing pad 310 are both made of rubber materials and can play a better sealing effect, the second silencing pad 310 is fixedly arranged on the second silencing seat 38, the inner side of the second silencing plate 39 is fixedly connected with the second spring 311, the second spring 311 is fixedly arranged on the inner plate 31, when noise is transmitted to the top, the second silencing plate 39 is vibrated by sound waves to drive the second spring 311 to shake, slowing down the transmission of sound wave, second silencing board 39 contacts with second silencing pad 310 when rocking, and second silencing pad 310 slows down rocking of second silencing board 39, and when the sound wave contacted through first silencing seat 34 and second silencing seat 38 and inner panel 31 simultaneously, the micropore has been seted up to the even on the inner wall of inner panel 31, makes the sound wave carry out refraction many times in micropore inside, reduces the outside propagation of sound wave, reaches the effect of making an uproar.
The working principle is as follows: when the noise is transmitted to the bottom, the noise passes through the bottom frame 12 and enters the sound insulation groove 13, the partition plates 14 in the sound insulation groove 13 block the noise, meanwhile, the sound absorption cotton 15 between the partition plates 14 absorbs the noise sound waves to a certain extent, the vibration of the sound waves is reduced, and the noise reduction effect is achieved, when the noise is transmitted to two sides, the first sound absorption plate 35 is vibrated by the sound waves to drive the first spring 37 to shake, the transmission of the sound waves is reduced, the first sound absorption plate 35 is contacted with the first sound absorption pad 36 when shaking, the shaking of the first sound absorption plate 35 is reduced by the first sound absorption pad 36, when the noise is transmitted to the top, the second sound absorption plate 39 is vibrated by the sound waves to drive the second spring 311 to shake, the transmission of the sound waves is reduced, the second sound absorption plate 39 is contacted with the second sound absorption pad 310 when shaking, the shaking of the second sound absorption pad 310 reduces the shaking of the second sound absorption plate 39, and simultaneously, the sound waves are contacted with the second sound absorption seat 38 and the inner plate 31 through the first sound absorption seat, micropores are uniformly formed in the inner wall of the inner plate 31, so that sound waves are refracted for multiple times in the micropores, outward propagation of the sound waves is reduced, and the noise reduction effect is achieved.
In summary, the following steps: the utility model discloses a generator housing with noise reduction structure, when the noise propagates to the bottom, the noise passes bottom frame 12 and enters sound-proof groove 13, baffle 14 in sound-proof groove 13 blocks the noise, simultaneously sound-absorbing cotton 15 between baffle 14 absorbs the noise sound wave to a certain extent, slow down the vibrations of sound wave, reach the effect of noise reduction, when the noise propagates to both sides, first acoustical board 35 receives the vibrations of sound wave to drive first spring 37 to rock, slow down the transmission of sound wave, first acoustical board 35 contacts with first acoustical board 36 when rocking, first acoustical board 36 slows down the rocking of first acoustical board 35, when the noise propagates to the top, second acoustical board 39 receives the vibrations of sound wave to drive second spring 311 to rock, slow down the transmission of sound wave, second acoustical board 39 contacts with second acoustical board 310 when rocking, second acoustical board 310 slows down the rocking of second acoustical board 39, when the sound wave contacts with the second sound-deadening seat 38 and the inner plate 31 through the first sound-deadening seat 34, micropores are uniformly formed in the inner wall of the inner plate 31, so that the sound wave is refracted for many times in the micropore, the outward propagation of the sound wave is reduced, the noise reduction effect is achieved, the noise generated in the working process of the engine can be effectively reduced, and the influence of the noise on workers is reduced.
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.
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 (4)
1. The utility model provides a generator housing with noise reduction structure, includes base (1), shell (2), inner shell (3) and sound insulation chamber (4), its characterized in that: an outer shell (2) is arranged at the top of the base (1), an inner shell (3) is arranged inside the outer shell (2), and a sound insulation cavity (4) is arranged between the inner shell (3) and the outer shell (2);
base (1) includes bottom plate (11), underframe (12), sound-proof slot (13), baffle (14) and inhales sound cotton (15), the top fixed mounting of bottom plate (11) has underframe (12), sound-proof slot (13) have been seted up to the inside of underframe (12), the inside of sound-proof slot (13) is equipped with baffle (14), the one end fixed mounting of baffle (14) is on bottom plate (11), the other end fixed mounting of baffle (14) is on underframe (12), two be equipped with between baffle (14) and inhale sound cotton (15).
2. The generator housing with noise reducing and noise reducing structure of claim 1, wherein: the inner shell (3) comprises an inner plate (31), an inner groove (32), a connecting groove (33), a first silencing seat (34), a first silencing plate (35), a first silencing pad (36), a first spring (37), a second silencing seat (38), a second silencing plate (39), a second silencing pad (310) and a second spring (311), wherein the inner groove (32) is formed in the inner plate (31), the connecting groove (33) is formed in one side of the inner groove (32), the first silencing seat (34) is fixedly installed on the inner wall of the inner plate (31), the first silencing plate (35) is arranged in the first silencing seat (34), the first silencing pad (36) is arranged on the outer side of the first silencing plate (35), the first silencing pad (36) is fixedly installed on the first silencing seat (34), the first spring (37) is fixedly connected to the inner side of the first silencing plate (35), one end of the first spring (37) far away from the first silencing plate (35) is fixedly mounted on the inner plate (31), the top of the first silencing seat (34) is fixedly connected with a second silencing seat (38), a second silencing plate (39) is arranged inside the second silencing seat (38), a second silencing pad (310) is arranged on the outer side of the second silencing plate (39), the second silencing pad (310) is fixedly mounted on the second silencing seat (38), a second spring (311) is fixedly connected to the inner side of the second silencing plate (39), and one end of the second spring (311) far away from the second silencing plate (39) is fixedly mounted on the inner plate (31).
3. The generator housing with noise reducing and noise reducing structure of claim 2, wherein: the first silencing pad (36) and the second silencing pad (310) are both made of rubber materials.
4. The generator housing with noise reducing and noise reducing structure of claim 2, wherein: micropores are uniformly formed in the inner wall of the inner plate (31).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020028836.3U CN211296437U (en) | 2020-01-08 | 2020-01-08 | Generator casing with noise reduction structure |
Applications Claiming Priority (1)
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CN202020028836.3U CN211296437U (en) | 2020-01-08 | 2020-01-08 | Generator casing with noise reduction structure |
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CN211296437U true CN211296437U (en) | 2020-08-18 |
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CN202020028836.3U Expired - Fee Related CN211296437U (en) | 2020-01-08 | 2020-01-08 | Generator casing with noise reduction structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111946459A (en) * | 2020-09-17 | 2020-11-17 | 南昌工程学院 | Automobile engine noise control device and control method thereof |
-
2020
- 2020-01-08 CN CN202020028836.3U patent/CN211296437U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111946459A (en) * | 2020-09-17 | 2020-11-17 | 南昌工程学院 | Automobile engine noise control device and control method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 355000 no.707 Xueyuan Road, Chengbei street, Fu'an City, Ningde City, Fujian Province Patentee after: Fujian xingshidai Motor Co.,Ltd. Address before: 355000 Fujian city of Ningde province Fu'an City Xinyang Road, No. 16 Xie long Patentee before: FU'AN XINGSHIDAI MOTOR Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |