CN205977322U - Novel multifrequency car silencer - Google Patents

Novel multifrequency car silencer Download PDF

Info

Publication number
CN205977322U
CN205977322U CN201620995211.8U CN201620995211U CN205977322U CN 205977322 U CN205977322 U CN 205977322U CN 201620995211 U CN201620995211 U CN 201620995211U CN 205977322 U CN205977322 U CN 205977322U
Authority
CN
China
Prior art keywords
hush pipe
baffle
bloop
sound wave
noise reduction
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.)
Expired - Fee Related
Application number
CN201620995211.8U
Other languages
Chinese (zh)
Inventor
沈跃忠
马中健
胡颖杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pinghu Aichiwei Auto Parts Co Ltd
Original Assignee
Pinghu Aichiwei Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pinghu Aichiwei Auto Parts Co Ltd filed Critical Pinghu Aichiwei Auto Parts Co Ltd
Priority to CN201620995211.8U priority Critical patent/CN205977322U/en
Application granted granted Critical
Publication of CN205977322U publication Critical patent/CN205977322U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a novel multifrequency car silencer, including front end sound inlet, first acoustic celotex board, hush pipe, bloop, terminal sound inlet and the voice register that disappears, front end sound inlet one side is provided with first acoustic celotex board and sets up the hush pipe in first acoustic celotex board one side, first acoustic celotex board inside is provided with the amortization cotton, hush pipe one side is provided with the second septum soundboard, be provided with the bloop on the hush pipe, the inside hush pipe inner wall that is provided with of hush pipe, hush pipe inner wall one side is provided with the voice register that disappears, the voice register that disappears is provided with the hush pipe dustcoat all around. The utility model discloses an amortization that sets up is cotton, is favorable to eliminating the sound wave of low frequency, reduces the noise, and through the first acoustic celotex board, second septum soundboard and the voice register that disappears that set up, the sound wave of being convenient for reverberates, eliminates the intermediate frequency sound wave, and further reduction noise is favorable to increasing strong convection through the bloop that sets up, eliminates the high frequency sound wave, and then falls to the noise minimum, is favorable to the environmental protection.

Description

A kind of new multifrequency automotive muffler
【Technical field】
This utility model is related to a kind of acoustic filter, particularly to a kind of new multifrequency automotive muffler.
【Background technology】
At present, discharge, for eliminating electromotor, the huge sound producing during the high temperature and high pressure gas after burning, automobile needs Acoustic filter is set at discharge duct;Acoustic filter can be divided into reactive muffler, resistive automotive muffler and impedance multiple by noise-cancelling theory Mould assembly acoustic filter three class;Dissipative muffler is absorbed acoustic energy and reaches noise elimination mesh by filling sucting sound material in discharge duct;Anti- Property acoustic filter be inside acoustic filter, the sectional area of pipeline drastically to be increased in a certain length thereof or reduce, make sound wave propagate When produce reflection and destructive interference reach noise elimination purpose;Reactive muffler is preferable in low frequency, intermediate frequency soundproof effect;High frequency to be improved Soundproof effect, can adopt the sectional area of pipeline to have multiple reactive muffler or the impedance complex drastically increasing or reducing change Formula acoustic filter, a certain frequency range sound wave effect of the single elimination of generally existing acoustic filter is good, but other frequency range effects are poor.For this reason, we A kind of new multifrequency automotive muffler is proposed.
【Utility model content】
Main purpose of the present utility model is to provide a kind of new multifrequency automotive muffler, by the first sound insulation of setting Plate, the second baffle, bloop and silencing cotton, in use, by the first baffle and second baffle of setting, will Noise-muffling zones expand, and eliminate sound wave, and the silencing cotton being provided with absorbs a part of repercussions, reduce noise, by the noise reduction of setting Hole, strengthens convection current, reaches the sound wave eliminating high frequency, can be with the problem in effectively solving background technology.
For achieving the above object, the technical scheme that this utility model is taken is:
A kind of new multifrequency automotive muffler, enters sound mouth including front end, the first baffle, hush pipe, bloop, end are entered Sound mouth and noise reduction area, the noise reduction that described front end Jin Yinkou side is provided with the first baffle and is arranged on the first baffle side Pipe, described first baffle is internally provided with silencing cotton, and described hush pipe side is provided with the second baffle, on described hush pipe It is provided with bloop, described hush pipe is internally provided with noise reduction inside pipe wall, described noise reduction inside pipe wall side is provided with noise reduction area, institute State noise reduction area surrounding and be provided with hush pipe outer housing, described second baffle side is provided with end and enters sound mouth, described second sound insulation Intralaminar part is provided with silencing cotton.
Further, described hush pipe is that stainless steel material is made.
Further, described first baffle and the second baffle are fixedly connected by way of welding with hush pipe.
Further, described silencing cotton is that soft material is made.
Compared with prior art, this utility model has the advantages that:By the silencing cotton of setting, be conducive to eliminating The sound wave of low frequency, reduces noise, by the first baffle of setting, the second baffle and noise reduction area, is easy to sound wave and reverberates, disappear Except intermediate frequency sound wave, further reduce noise, be conducive to strengthening convection current by the bloop of setting, eliminate high frequency sound wave, and then Noise is preferably minimized, is conducive to environmental conservation.
【Brief description】
Fig. 1 is the overall structure diagram of this utility model new multifrequency automotive muffler.
Fig. 2 is the overall structure schematic side view of this utility model new multifrequency automotive muffler.
In figure:1st, sound mouth is entered in front end;2nd, the first baffle;3rd, hush pipe;4th, the second baffle;5th, bloop;6th, noise reduction Inside pipe wall;7th, sound mouth is entered in end;8th, silencing cotton;9th, noise reduction area;10th, hush pipe outer housing.
【Specific embodiment】
Technological means, creation characteristic, reached purpose and effect for making this utility model realize are easy to understand, below In conjunction with specific embodiment, this utility model is expanded on further.
As shown in Figure 1-2, a kind of new multifrequency automotive muffler, enters sound mouth 1, the first baffle 2, hush pipe including front end 3rd, sound mouth 7 and noise reduction area 9 are entered in bloop 5, end, and described front end is entered sound mouth 1 side and is provided with the first baffle 2 and is arranged on The hush pipe 3 of the first baffle 2 side, described first baffle 2 is internally provided with silencing cotton 8, the setting of described hush pipe 3 side There is the second baffle 4, described hush pipe 3 is provided with bloop 5, described hush pipe 3 is internally provided with noise reduction inside pipe wall 6, institute State noise reduction inside pipe wall 6 side and be provided with noise reduction area 9, described noise reduction area 9 surrounding is provided with hush pipe outer housing 10, described second sound insulation Plate 4 side is provided with end and enters sound mouth 7, and described second baffle 4 is internally provided with silencing cotton 8.
This utility model new multifrequency automotive muffler, by the first baffle 2 of setting, the second baffle 4, bloop 5 and silencing cotton 8, in use, by the first baffle 2 and second baffle 4 of setting, noise-muffling zones are expanded, disappears Except sound wave, the silencing cotton 8 being provided with absorbs a part of repercussions, reduces noise, by the bloop 5 of setting, strengthens convection current, reaches To the sound wave eliminating high frequency.
Wherein, described hush pipe 3 is that stainless steel material is made, increases Material Strength, increases the service life.
Wherein, described first baffle 2 is fixedly connected with hush pipe 3 with the second baffle 4 by way of welding, increases Fixing intensity, it is to avoid fall off.
Wherein, described silencing cotton 8 is that soft material is made, is easy to absorb echo, advantageously reduces noise.
It should be noted that this utility model is a kind of new multifrequency automotive muffler, during work, by the noise reduction of setting Cotton 8, is conducive to eliminating the sound wave of low frequency, reduces noise, by the first baffle 2 of setting, the second baffle 4 and noise reduction area 9, it is easy to sound wave and reverberates, eliminate intermediate frequency sound wave, further reduce noise, be conducive to strengthening convection current by the bloop 5 of setting, Eliminate high frequency sound wave, and then noise is preferably minimized, be conducive to environmental conservation.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model Claimed scope is by appending claims and its equivalent thereof.

Claims (4)

1. a kind of new multifrequency automotive muffler, enters sound mouth including front end(1), the first baffle(2), hush pipe(3), bloop (5), end enter sound mouth(7)With noise reduction area(9)It is characterised in that:Sound mouth is entered in described front end(1)Side is provided with the first baffle (2)And it is arranged on the first baffle(2)The hush pipe of side(3), described first baffle(2)It is internally provided with silencing cotton (8), described hush pipe(3)Side is provided with the second baffle(4), described hush pipe(3)On be provided with bloop(5), described Hush pipe(3)It is internally provided with noise reduction inside pipe wall(6), described noise reduction inside pipe wall(6)Side is provided with noise reduction area(9), described disappear Sound area(9)Surrounding is provided with hush pipe outer housing(10), described second baffle(4)Side is provided with end and enters sound mouth(7), described Second baffle(4)It is internally provided with silencing cotton(8).
2. new multifrequency automotive muffler according to claim 1 it is characterised in that:Described hush pipe(3)For rustless steel Material is made.
3. new multifrequency automotive muffler according to claim 1 it is characterised in that:Described first baffle(2)With Two baffles(4)With hush pipe(3)It is fixedly connected by way of welding.
4. new multifrequency automotive muffler according to claim 1 it is characterised in that:Described silencing cotton(8)For soft material Material is made.
CN201620995211.8U 2016-08-30 2016-08-30 Novel multifrequency car silencer Expired - Fee Related CN205977322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620995211.8U CN205977322U (en) 2016-08-30 2016-08-30 Novel multifrequency car silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620995211.8U CN205977322U (en) 2016-08-30 2016-08-30 Novel multifrequency car silencer

Publications (1)

Publication Number Publication Date
CN205977322U true CN205977322U (en) 2017-02-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620995211.8U Expired - Fee Related CN205977322U (en) 2016-08-30 2016-08-30 Novel multifrequency car silencer

Country Status (1)

Country Link
CN (1) CN205977322U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185434A (en) * 2018-11-19 2019-01-11 襄阳市中康汽车配件有限公司 A kind of gear box casing and gearbox

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185434A (en) * 2018-11-19 2019-01-11 襄阳市中康汽车配件有限公司 A kind of gear box casing and gearbox

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
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: 20170222

Termination date: 20190830