CN220168168U - Roots blower outlet silencer - Google Patents
Roots blower outlet silencer Download PDFInfo
- Publication number
- CN220168168U CN220168168U CN202321334587.0U CN202321334587U CN220168168U CN 220168168 U CN220168168 U CN 220168168U CN 202321334587 U CN202321334587 U CN 202321334587U CN 220168168 U CN220168168 U CN 220168168U
- Authority
- CN
- China
- Prior art keywords
- close
- fan
- fixedly arranged
- center
- end fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims description 24
- 239000010425 asbestos Substances 0.000 claims description 17
- 230000008030 elimination Effects 0.000 claims description 17
- 238000003379 elimination reaction Methods 0.000 claims description 17
- 229910052895 riebeckite Inorganic materials 0.000 claims description 17
- 230000030279 gene silencing Effects 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 10
- 238000011064 split stream procedure Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 9
- 238000009413 insulation Methods 0.000 description 5
- 206010040880 Skin irritation Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000036556 skin irritation Effects 0.000 description 3
- 231100000475 skin irritation Toxicity 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model relates to the technical field of fan silencers and discloses a Roots blower outlet silencer, which comprises a fan silencer shell, wherein a first sealing disk is axially and symmetrically arranged at the bottom of the fan silencer shell, a rear end fixing screw cap is fixedly arranged at one side of the bottom of the first sealing disk, the bottom of the rear end fixing screw cap is movably connected with a rear end fixing screw body near the center, a fixing screw body thread is arranged at the front side of the rear end fixing screw body near the bottom, a first sealing ring is fixedly arranged at the bottom of the first sealing disk near the center, a wind gap connecting pipeline is fixedly arranged at the bottom of the first sealing ring, a second sealing disk is fixedly arranged at the bottom of the wind gap connecting pipeline, and a noise reduction air outlet is arranged in the wind gap connecting pipeline.
Description
Technical Field
The utility model relates to the technical field of fan silencers, in particular to a Roots blower outlet silencer.
Background
The fan muffler is the same as the exhaust pipeline muffler and the induced draft fan muffler in form, and adopts a resistive sound absorption and noise reduction principle with good effects on the middle and high frequency broadband characteristics, a resistive sound absorption and noise reduction principle with good effects on the low, middle and pulsation characteristics, a microperforation muffler and an impedance composite muffler.
The fan silencer of part has higher air friction, reduces work efficiency to resistance coefficient is high, and ventilation resistance is big, and it is relatively poor to fall noise elimination under the high-speed ventilation condition, and the effect of the exhaust noise of part fan silencer is relatively poor, can appear noise pollution, is unfavorable for the long-term use of equipment, influences people's daily work, rest.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a Roots blower outlet muffler to solve the above-mentioned problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a roots blower outlet muffler, includes fan silencer shell, fan silencer shell's bottom axisymmetric fixed mounting has first sealing disk, the bottom of first sealing disk is close to one side fixed mounting has rear end fixed nut, the bottom of rear end fixed nut is close to central swing joint has rear end fixed spiral shell body, the front of rear end fixed spiral shell body is close to the bottom and has been seted up fixed spiral shell body screw thread, the bottom of first sealing disk is close to central fixed mounting has first sealing ring, the bottom of first sealing ring is close to central fixed mounting has the wind gap connecting tube, the bottom of wind gap connecting tube fixed mounting has the second sealing disk, the noise reduction air outlet has been seted up to the inside of wind gap connecting tube;
further, a first sealing disc is fixedly arranged at the top of the fan silencer shell, a front end fixing nut is fixedly arranged at one side, close to the top of the first sealing disc, and a front end fixing screw body is movably connected to the top, close to the center, of the front end fixing nut.
Further, a second sealing ring is fixedly installed on the top of the first sealing disk close to the center, an air supply connecting pipeline is fixedly installed on the top of the second sealing ring close to the center, and an air supply pipeline empty groove is formed in the air supply connecting pipeline.
Further, a screw body fixing groove is formed in the top of the fan silencer shell, close to one side, of the fan silencer shell, a fan silencing inner groove is formed in the fan silencer shell, and seven equidistant silencing guide plates are fixedly arranged in the fan silencing inner groove.
Further, the inside of fan noise elimination inside groove is close to center fixed mounting and is had powerful sound absorption asbestos, the inside of powerful sound absorption asbestos is close to center fixed mounting and has a cartridge filter stem, the inside of cartridge filter stem is close to the center and has seted up the sound transmission circulation empty slot.
Further, the inside of the fan noise elimination inside groove is close to the bottom axisymmetric fixed mounting and has the air-out flow distribution plate, the inside of fan noise elimination inside groove is close to the top axisymmetric fixed mounting and has dustproof fixed baffle, sound absorption asbestos hole has been seted up to powerful sound absorption asbestos's front.
Further, the top fixed mounting of dustproof fixed baffle has cleanable dust screen, the reposition of redundant personnel aperture has been seted up at the top of air-out flow distribution plate.
The utility model has the technical effects and advantages that:
1. the utility model can be used for reducing noise of a ventilation system by placing strong sound absorption asbestos, has the characteristics of light capacity, low heat conductivity, good heat insulation performance, good waterproof performance, corrosion resistance, sound absorption and shock absorption, no skin irritation and no dust pollution, can be cut, bent, and is simple, convenient and rapid to construct, shortens the reverberation time in the fan silencing inner groove, eliminates echoes to improve the listening condition of the fan silencing inner groove, reduces the noise level of the fan silencing inner groove, and is used as a raw material of a pipeline gasket or a silencing device to reduce the noise of the ventilation system and improve the sound insulation capacity of equipment.
2. The utility model is placed through the cartridge filter core column, can be used for filtering sound in equipment, reduces air friction, improves working efficiency, has low resistance coefficient and small ventilation resistance through the placement of the air supply pipeline empty slot, has better noise elimination and noise reduction under the high-speed ventilation condition, and can be used for guiding exhaust air flow and converting high-speed air flow into low-speed air flow through the placement of the noise elimination guide plate, thereby achieving the effect of reducing exhaust noise.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a second seal ring according to the present utility model.
Fig. 3 is a schematic view of the strong sound-absorbing asbestos structure of the present utility model.
Fig. 4 is a schematic view of a cleanable dust-proof screen according to the present utility model.
The reference numerals are: 1. a fan muffler housing; 2. a nut is fixed at the rear end; 3. the rear end is fixed with a screw body; 4. a first seal collar; 5. fixing screw threads; 6. noise reduction air outlet; 7. the air port is connected with a pipeline; 8. a first sealing disk; 9. a second sealing plate; 101. the front end is fixed with a screw body; 102. a nut is fixed at the front end; 201. a second seal collar; 202. an air supply connecting pipeline; 301. air supply pipeline empty slot; 302. a screw body fixing groove; 401. a fan silencing inner groove; 402. a sound-deadening baffle; 501. strong sound-absorbing asbestos; 502. a filter cartridge stem; 601. a sound transmission flow empty groove; 602. a dust-proof fixed baffle; 701. the dustproof net can be cleaned; 702. a split aperture; 801. an air outlet splitter plate; 802. and sound absorption asbestos holes.
Detailed Description
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the respective configurations described in the following embodiments are merely examples, and the present utility model is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1-4, the utility model provides a Roots blower outlet silencer, which comprises a blower silencer shell 1, wherein a first sealing disk 8 is fixedly arranged at the bottom of the blower silencer shell 1 in an axisymmetric manner, a rear end fixing nut 2 is fixedly arranged at one side of the bottom of the first sealing disk 8, the bottom of the rear end fixing nut 2 is movably connected with a rear end fixing screw body 3 near the center, a fixing screw body thread 5 is arranged at the front side of the rear end fixing screw body 3 near the bottom, a first sealing ring 4 is fixedly arranged at the bottom of the first sealing disk 8 near the center, an air port connecting pipeline 7 is fixedly arranged at the bottom of the first sealing ring 4 near the center, a second sealing disk 9 is fixedly arranged at the bottom of the air port connecting pipeline 7, and a noise reduction air outlet 6 is arranged in the air port connecting pipeline 7.
In a preferred embodiment, the top of the fan muffler shell 1 is fixedly provided with the first sealing disc 8, one side, close to the top, of the first sealing disc 8 is fixedly provided with the front end fixing nut 102, and the top, close to the center, of the front end fixing nut 102 is movably connected with the front end fixing screw body 101, so that the fan muffler shell can be used for fixing connection with other equipment through the placement of the first sealing disc 8, and stability in connection and tightness in operation of the equipment are facilitated.
In a preferred embodiment, the top of the first sealing disc 8 is near the center and is fixedly provided with the second sealing ring 201, the top of the second sealing ring 201 is near the center and is fixedly provided with the air supply connecting pipeline 202, and the air supply connecting pipeline 202 is internally provided with the air supply pipeline empty slot 301, so that the air supply connecting device has the advantages of low resistance coefficient, small ventilation resistance and better noise elimination and noise reduction under the high-speed ventilation condition through the placement of the air supply pipeline empty slot 301.
In a preferred embodiment, the screw body fixing groove 302 is formed on the top of the fan muffler shell 1 near one side, the fan muffler inner groove 401 is formed in the fan muffler shell 1, seven equidistant muffler guide plates 402 are fixedly installed in the fan muffler inner groove 401, and therefore the fan muffler inner groove can be used for guiding exhaust air flow and converting high-speed air flow into low-speed air flow through placement of the muffler guide plates 402, and therefore the effect of reducing exhaust noise is achieved.
In a preferred embodiment, the inner part of the fan silencing inner groove 401 is near the center and is fixedly provided with the powerful sound absorption asbestos 501, the inner part of the powerful sound absorption asbestos 501 is near the center and is fixedly provided with the filter cartridge core column 502, and the inner part of the filter cartridge core column 502 is near the center and is provided with the sound transmission empty groove 601, so that the fan silencing inner groove is placed through the filter cartridge core column 502 and can be used for filtering sound in equipment, reducing air friction and improving working efficiency.
In a preferred embodiment, the air outlet splitter plate 801 is fixedly installed in the fan noise elimination inner tank 401 near the bottom in an axisymmetric manner, the dust-proof fixed baffle 602 is fixedly installed in the fan noise elimination inner tank 401 near the top in an axisymmetric manner, and the sound absorption asbestos holes 802 are formed in the front of the strong sound absorption asbestos 501, so that the fan noise elimination inner tank 401 has the characteristics of light capacity, low heat conductivity, good heat insulation performance, good waterproof performance, corrosion resistance, sound absorption and vibration prevention, no skin irritation and no dust pollution, can be cut and bent at will, is simple and rapid in construction, shortens the internal reverberation time of the fan noise elimination inner tank 401, eliminates echoes to improve the audible condition of the fan noise elimination inner tank 401, reduces the noise level of the fan noise elimination inner tank 401, and serves as a raw material of a pipeline liner or a noise elimination device to reduce noise of a ventilation system so as to improve the sound insulation amount of equipment.
In a preferred embodiment, the cleanable dust screen 701 is fixedly mounted on the top of the dust-proof fixing baffle 602, and the flow-dividing holes 702 are formed on the top of the air-out flow-dividing plate 801, so that friction can be reduced, noise reduction effect can be improved by placing the flow-dividing holes 702, a large amount of dust can be reduced to enter the equipment by placing the cleanable dust screen 701, and cleanliness of the equipment can be improved and use of the equipment can be enhanced.
The working principle of the utility model is as follows: when the device is used, the device can be used for preventing leakage, friction is reduced, pollution is prevented, the working efficiency of the device is improved, the service life of the device is prolonged, the device can be used for fixing connection with other devices through the placement of the first sealing disk 8, stability in connection and tightness of operation of the device are facilitated, the friction can be reduced through the placement of the split small holes 702, the noise reduction effect is improved, the placement of the cleanable dustproof net 701 can be used for reducing a large amount of dust to enter the device, cleanliness of the device is improved, the use of the device is enhanced, the placement of the powerful sound absorption asbestos 501 is realized, the device can have the characteristics of light capacity, low heat conductivity, good heat preservation performance, good waterproof performance, corrosion resistance, sound absorption and vibration prevention, no skin irritation and no dust pollution, the device can be used for cutting, bending and constructing conveniently and rapidly at will, the inner reverberation time of the fan noise reduction inner groove 401 is shortened, the sound absorption is eliminated to improve the sound absorption condition of the fan noise reduction inner groove 401, the sound insulation core of the cleanable dust reduction device can be used for reducing friction, the noise of the device can be used for reducing the pipeline liner or noise reduction device, the noise reduction effect can be improved, the noise reduction of the device can be realized, the noise reduction efficiency is improved, the noise reduction efficiency is high, the air flow absorption coefficient is realized, the ventilation efficiency is reduced, the ventilation efficiency is high, the ventilation efficiency is realized, the ventilation efficiency is high, the ventilation efficiency is low, and the ventilation efficiency is achieved, and the ventilation efficiency is low, and the air flow resistance can be used for the air flow and has high air resistance and high and has high air resistance efficiency.
Claims (7)
1. The utility model provides a roots blower export muffler, includes fan silencer shell (1), its characterized in that: the fan silencer is characterized in that a first sealing disc (8) is fixedly arranged at the bottom of the fan silencer shell (1) in an axisymmetric mode, a rear end fixing nut (2) is fixedly arranged at the bottom of the first sealing disc (8) close to one side, a rear end fixing screw body (3) is movably connected to the bottom of the rear end fixing nut (2) close to the center, a fixing screw body thread (5) is arranged on the front face of the rear end fixing screw body (3) close to the bottom, a first sealing ring (4) is fixedly arranged at the bottom of the first sealing disc (8) close to the center, an air port connecting pipeline (7) is fixedly arranged at the bottom of the first sealing ring (4) close to the center, a second sealing disc (9) is fixedly arranged at the bottom of the air port connecting pipeline (7), and a noise reduction air outlet (6) is arranged in the air port connecting pipeline (7).
2. A Roots blower outlet muffler according to claim 1, wherein: the fan silencer is characterized in that a first sealing disc (8) is fixedly arranged at the top of the fan silencer shell (1), a front end fixing nut (102) is fixedly arranged at one side, close to the top, of the first sealing disc (8), and a front end fixing screw body (101) is movably connected to the top, close to the center, of the front end fixing nut (102).
3. A Roots blower outlet muffler according to claim 1, wherein: the top of first sealing disk (8) is close to center fixed mounting and has second sealing ring (201), the top of second sealing ring (201) is close to center fixed mounting and has air supply connecting tube (202), air supply connecting tube (202)'s inside has seted up air supply tube empty slot (301).
4. A Roots blower outlet muffler according to claim 1, wherein: the novel fan muffler is characterized in that a screw body fixing groove (302) is formed in the top of the fan muffler shell (1) close to one side, a fan silencing inner groove (401) is formed in the fan muffler shell (1), and seven equidistant silencing guide plates (402) are fixedly arranged in the fan silencing inner groove (401).
5. A Roots blower outlet muffler according to claim 4, wherein: the fan noise elimination inside groove (401) inside is close to center fixed mounting has powerful sound absorption asbestos (501), the inside of powerful sound absorption asbestos (501) is close to center fixed mounting has cartridge filter stem (502), the inside of cartridge filter stem (502) is close to the center and has seted up the circulation of sound empty slot (601).
6. A Roots blower outlet muffler according to claim 5, wherein: the inside of fan noise elimination inside groove (401) is close to bottom axisymmetric fixed mounting and has air-out flow distribution plate (801), the inside of fan noise elimination inside groove (401) is close to top axisymmetric fixed mounting and has dustproof fixed baffle (602), sound absorption asbestos hole (802) have been seted up in the front of powerful sound absorption asbestos (501).
7. A Roots blower outlet muffler according to claim 6, wherein: the top of dustproof fixed baffle (602) fixed mounting has cleanable dust screen (701), split stream aperture (702) have been seted up at the top of air-out flow distribution plate (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321334587.0U CN220168168U (en) | 2023-05-30 | 2023-05-30 | Roots blower outlet silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321334587.0U CN220168168U (en) | 2023-05-30 | 2023-05-30 | Roots blower outlet silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168168U true CN220168168U (en) | 2023-12-12 |
Family
ID=89051974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321334587.0U Active CN220168168U (en) | 2023-05-30 | 2023-05-30 | Roots blower outlet silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168168U (en) |
-
2023
- 2023-05-30 CN CN202321334587.0U patent/CN220168168U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201666174U (en) | Low PSA decibel muffler | |
| CN203743083U (en) | Fan silencer used for dust remover | |
| CN103850987A (en) | Fan muffler for dust remover | |
| CN220168168U (en) | Roots blower outlet silencer | |
| CN206726756U (en) | A kind of Combined type muffler for being convenient for changing muffling unit | |
| CN216589213U (en) | Super-silent fan filters high-efficient supply-air outlet | |
| CN201326584Y (en) | Silencing component for silencer | |
| CN209558677U (en) | Composite broadband noise reduction silencer and gas water heater | |
| CN205306900U (en) | Silencer for dust collector | |
| CN207529653U (en) | A kind of muffler with air-flow buffer effect | |
| CN214356617U (en) | Gooseneck type ventilating duct with silencer | |
| CN209959579U (en) | Non-independent integral fan silencer | |
| CN213578048U (en) | Split-flow silencer and air conditioner | |
| CN219197435U (en) | Noise elimination and noise reduction mechanism for gasoline generating set | |
| CN214333089U (en) | Box type condenser group capable of reducing noise | |
| CN217874773U (en) | Filtering type air inlet silencing pipe | |
| CN201513389U (en) | Tubular/disc combined muffler for blower | |
| CN209892403U (en) | Spiral silencer for alternating-current air pump | |
| CN110821545A (en) | Self-silencing axial flow fan ventilation system for tunnel | |
| CN214464986U (en) | Axial fan flow guiding device that makes an uproar that falls | |
| CN210460984U (en) | Composite noise elimination filtering structure | |
| CN212967089U (en) | Double-combination silencer | |
| CN212107441U (en) | Ventilating pipe type silencer | |
| CN220582709U (en) | Central air conditioner with low noise structure | |
| CN219840777U (en) | Filter mechanism for exhaust of compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |