CN206035578U - Take ripple section flange silencer - Google Patents

Take ripple section flange silencer Download PDF

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Publication number
CN206035578U
CN206035578U CN201620950859.3U CN201620950859U CN206035578U CN 206035578 U CN206035578 U CN 206035578U CN 201620950859 U CN201620950859 U CN 201620950859U CN 206035578 U CN206035578 U CN 206035578U
Authority
CN
China
Prior art keywords
noise reduction
flange
pipeline section
outer tube
acoustic filter
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
CN201620950859.3U
Other languages
Chinese (zh)
Inventor
刘�文
刘明亮
于艳东
吴尧锋
李继强
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.)
Ningbo City Wo Ruisi Machinery Science And Technology Ltd
Original Assignee
Ningbo City Wo Ruisi Machinery Science And Technology 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 Ningbo City Wo Ruisi Machinery Science And Technology Ltd filed Critical Ningbo City Wo Ruisi Machinery Science And Technology Ltd
Priority to CN201620950859.3U priority Critical patent/CN206035578U/en
Application granted granted Critical
Publication of CN206035578U publication Critical patent/CN206035578U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a take ripple section flange silencer, including outer tube and welding in the flange of outer tube inlet end, the outer tube has amortization pipeline section and ripple pipeline section respectively along length direction, and the tight cover in inside of amortization pipeline section has a reed pipe, and the perisporium of amortization pipeline section is along radially being formed with the amortization convex closure, is formed with the resonant cavity between reed pipe and the amortization convex closure, is equipped with the opening that feeds through with the resonant cavity on the reed is managed. The utility model has the advantages of simple and reasonable structure, convenient to use, noise reduction effect is better, and life is longer.

Description

A kind of band bellows segment flange acoustic filter
Technical field
This utility model is related to automotive muffler technical field, more particularly to a kind of band bellows segment flange acoustic filter.
Background technology
Automobile exhaust muffler is for reducing one of critical component of automobile engine to exhaust noise, mainly by drop The low, pulsation of decay pressure at expulsion is eliminating noise.Traditional acoustic wave filter structure is fairly simple, relies primarily on and is arranged on acoustic filter Reducing noise, service life is typically shorter for silencing cotton in housing, is accomplished by changing using several years.In addition, traditional noise elimination Device is unreasonable as mounting structure is arranged, and can only be installed on flat segments or can connect the occasion of leather hose, and lot of domestic and international vapour at present Car adopts turbocharging, and the exhaust end of its electromotor is usually flange end, causes this acoustic filter to exist when installing and using bright Aobvious limitation.
Utility model content
The purpose of this utility model is the defect and deficiency for prior art, there is provided a kind of band bellows segment flange is eliminated the noise Device, which is simple and reasonable, easy to use, and preferably, service life is longer for noise-reduction effect.
For achieving the above object, this utility model is employed the following technical solutions:
A kind of band bellows segment flange acoustic filter described in the utility model, including outer tube and is welded in the outer tube inlet end Adpting flange, the outer tube has noise reduction pipeline section and bellows piece along its length respectively, and the inside of the noise reduction pipeline section is tight Be cased with reed pipe, the perisporium of the noise reduction pipeline section has been radially formed noise reduction convex closure, the reed pipe and the noise reduction convex closure it Between be formed with resonator cavity, the reed pipe is provided with the opening connected with the resonator cavity.
Further, the adpting flange is socketed on the inlet end of the outer tube, and the inner edge of the adpting flange is provided with platform Welding wire is equiped between the inlet end of rank, the step and the outer tube.
Further, the reed sealing of tube is in the inside of the noise reduction pipeline section.
Further, welding wire is equiped between the inwall of the outlet side of the reed pipe and the noise reduction pipeline section.
Further, the noise reduction pipeline section is integrally formed and is provided with the noise reduction convex closure.
Further, the noise reduction pipeline section is arranged between the adpting flange and the bellows piece.
Further, the adpting flange is abutted vertically with the noise reduction convex closure.
Further, the bellows piece is arranged between the adpting flange and the noise reduction pipeline section.
The beneficial effects of the utility model are:The band bellows segment flange acoustic filter that this utility model is provided, by noise reduction The inside of pipeline section tightly covers reed pipe, arranges noise reduction convex closure in the perisporium of noise reduction pipeline section, makes to be formed between noise reduction convex closure and reed pipe Resonator cavity, and the opening connected with resonator cavity is set on reed pipe, compared with prior art using silencing cotton, this practicality is new Type can not only effectively play the effect of resonant mode noise reduction, so as to improve noise reduction by resonator cavity and the mating reaction of opening Noise reduction capability, and also help and increase the service life, reduce the use cost of user;Arrange on the length direction of outer tube Outer tube effectively can be bent into arbitrarily angled so that this utility model can by bellows piece when in use by bellows piece Suitable for different installing spaces, install and use and extremely facilitate, flexibility ratio is higher, operability is stronger;In addition, by outer tube Inlet end is welded to connect flange so that this utility model can be applied to pick out the occasion at end with flange form, the scope of application compared with Extensively.This utility model structure setting advantages of simple.
Description of the drawings
Fig. 1 is the overall cross section structure diagram under this utility model the first embodiment;
Fig. 2 is the entirety perspective view under second embodiment of this utility model;
Fig. 3 is the structural representation of this utility model adpting flange;
Fig. 4 is the structural representation of this utility model reed pipe.
In Fig. 1 to Fig. 4:
1st, outer tube;11st, noise reduction pipeline section;111st, noise reduction convex closure;12nd, bellows piece;2nd, adpting flange;21st, step;3rd, reed Pipe;31st, it is open;4th, resonator cavity;5th, welding wire;6th, welding wire.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.
Embodiment one:
One kind band bellows segment flange acoustic filter as shown in Fig. 1, Fig. 3 and Fig. 4, including outer tube 1, the inlet end of outer tube 1 leads to Crossing soldering connection has adpting flange 2, not only easy to process using soldering, and welding quality is with effect more preferably, specifically, even Acting flange 2 is socketed on the inlet end of outer tube 1, in order that welding wire is easy for installation, the inner edge of adpting flange 2 is provided with step 21, step Welding wire 5 is equiped between 21 and the inlet end of outer tube 1.
Outer tube 1 has noise reduction pipeline section 11 and bellows piece 12 along its length respectively, and noise reduction pipeline section 11 is arranged at connection method Between blue 2 and bellows piece 12, the perisporium of noise reduction pipeline section 11 has been radially formed noise reduction convex closure 111, and adpting flange 2 is convex with noise reduction Bag 111 is abutted vertically, improves the positional precision of adpting flange 2.Specifically, noise reduction pipeline section 11 is integrally formed and is provided with noise reduction Convex closure 111, using integrally formed processing mode, greatly reduces the cost of sheet metal component butt welding, also avoids solderable caused Various defect problems, such as lack weldering, solder skip, not prison welding etc., while also also improving this utility model bulk strength so that resistance to With property more preferably, fault rate is lower.
The inside of noise reduction pipeline section 11 is tightly cased with reed pipe 3, tight between reed pipe 3 and noise reduction pipeline section 11 in order to ensure Degree, reed pipe 3 are welded in the inside of noise reduction pipeline section 11.Resonator cavity 4, reed pipe is formed between reed pipe 3 and noise reduction convex closure 111 3 are provided with the opening 31 connected with resonator cavity 4.By changing size, position and the shape of opening 31, so as to vapour just can be changed Frequency range that what vehicle exhaust was caused utter long and high-pitched sounds, using effect are preferable.
When soldering, in fusion process, outer tube 1 closely can be welded together welding wire 5 by a part with adpting flange 2, Another part then can be between Jing adpting flanges 2 and outer tube 1 gap flow between the inlet end of noise reduction pipeline section 11 and reed pipe 3, So that the inlet end of reed pipe 3 is closely welded together with noise reduction pipeline section 11.
In addition, the positional precision in order to improve reed pipe 3, between the outlet side of reed pipe 3 and the inwall of noise reduction pipeline section 11 Welding wire 6 is yet equiped with, will be welded together between the outlet side of reed pipe 3 and noise reduction outer tube 1 by welding wire 6.
Embodiment two:
As shown in Figure 2, Figure 3 and Figure 4, shown one kind band bellows segment flange acoustic filter, including outer tube 1, the inlet end of outer tube 1 leads to Crossing soldering connection has adpting flange 2, not only easy to process using soldering, and welding quality is with effect more preferably, specifically, even Acting flange 2 is socketed on the inlet end of outer tube 1, in order that welding wire is easy for installation, the inner edge of adpting flange 2 is provided with step 21, step Welding wire is equiped between 21 and the inlet end of outer tube 1.When soldering, welding wire in fusion process, welding fluid can by outer tube 1 be connected Flange 2 closely welds together.
Outer tube 1 has noise reduction pipeline section 11 and bellows piece 12 along its length respectively, and bellows piece 12 is arranged at connection method Between blue 2 and noise reduction pipeline section 11.The perisporium of noise reduction pipeline section 11 has been radially formed noise reduction convex closure 111, specifically, noise reduction pipeline section 11 are integrally formed and are provided with noise reduction convex closure 111, using integrally formed processing mode, greatly reduce the cost of sheet metal component butt welding, Also avoid it is solderable caused by various defect problems, such as scarce weldering, solder skip, not prison welding etc., while also also improve practical New bulk strength so that more preferably, fault rate is lower for ruggedness.
The inside of noise reduction pipeline section 11 is tightly cased with reed pipe 3, tight between reed pipe 3 and noise reduction pipeline section 11 in order to ensure Degree, reed pipe 3 is welded in the inside of noise reduction pipeline section 11, specifically, the outlet side of reed pipe 3 and the inwall of noise reduction pipeline section 11 it Between be yet equiped with welding wire, will be welded together between the outlet side of reed pipe 3 and noise reduction outer tube 1 by welding wire.
Resonator cavity is formed between reed pipe 3 and noise reduction convex closure 111, and reed pipe 3 is provided with the opening connected with resonator cavity 31.By changing size, position and the shape of opening 31, so as to the frequency range of uttering long and high-pitched sounds that automobile exhaust is caused just can be changed, use Effect is preferable.
The band bellows segment flange acoustic filter that this utility model is provided, by tightly covering reed pipe 3 in the inside of noise reduction pipeline section 11, Noise reduction convex closure 111 is set in the perisporium of noise reduction pipeline section 11, makes between noise reduction convex closure 111 and reed pipe 3, to form resonator cavity 4, and The opening 31 connected with resonator cavity 4 is set on reed pipe 3, and compared with prior art using silencing cotton, this utility model passes through Resonator cavity 4 and the mating reaction of opening 31, can not only effectively play the effect of resonant mode noise reduction, so as to improve sound-deadening and noise-reducing Ability, and also help and increase the service life, reduce the use cost of user;On the length direction of outer tube 1, ripple is set Outer tube 1 effectively can be bent into arbitrarily angled so that this utility model energy by stricture of vagina pipeline section 12 when in use by bellows piece 12 It is enough to be applied to different installing spaces, to install and use and extremely facilitate, flexibility ratio is higher, and operability is stronger;In addition, by outer tube 1 inlet end is welded to connect flange 2 so that this utility model can be applied to pick out the occasion at end with flange form, is suitable for model Enclose wider.
The above is only better embodiment of the present utility model, therefore all according to described in this utility model patent claim Construction, the equivalence changes done of feature and principle or modification, be included in this utility model patent claim.

Claims (8)

1. a kind of with bellows segment flange acoustic filter, it is characterised in that:Including outer tube and it is welded in the connection of the outer tube inlet end Flange, the outer tube have noise reduction pipeline section and bellows piece along its length respectively, and the inside of the noise reduction pipeline section is tightly cased with spring Piece pipe, the perisporium of the noise reduction pipeline section have been radially formed noise reduction convex closure, are formed between the reed pipe and the noise reduction convex closure There is resonator cavity, the reed pipe is provided with the opening connected with the resonator cavity.
2. according to claim 1 with bellows segment flange acoustic filter, it is characterised in that:The adpting flange is socketed on described The inlet end of outer tube, the inner edge of the adpting flange are provided between the inlet end of step, the step and the outer tube and are equiped with Welding wire.
3. according to claim 1 with bellows segment flange acoustic filter, it is characterised in that:The reed sealing of tube disappears in described The inside of sound tube section.
4. according to claim 3 with bellows segment flange acoustic filter, it is characterised in that:The outlet side of the reed pipe and institute Welding wire is equiped between the inwall for stating noise reduction pipeline section.
5. according to claim 1 with bellows segment flange acoustic filter, it is characterised in that:The noise reduction pipeline section is integrally formed and sets There is the noise reduction convex closure.
6. the band bellows segment flange acoustic filter according to claim 1 to 5 any one, it is characterised in that:The hush pipe Section is arranged between the adpting flange and the bellows piece.
7. according to claim 6 with bellows segment flange acoustic filter, it is characterised in that:The adpting flange and the noise reduction Convex closure is abutted vertically.
8. the band bellows segment flange acoustic filter according to claim 1 to 5 any one, it is characterised in that:The corrugated tube Section is arranged between the adpting flange and the noise reduction pipeline section.
CN201620950859.3U 2016-08-25 2016-08-25 Take ripple section flange silencer Expired - Fee Related CN206035578U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620950859.3U CN206035578U (en) 2016-08-25 2016-08-25 Take ripple section flange silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620950859.3U CN206035578U (en) 2016-08-25 2016-08-25 Take ripple section flange silencer

Publications (1)

Publication Number Publication Date
CN206035578U true CN206035578U (en) 2017-03-22

Family

ID=58304034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620950859.3U Expired - Fee Related CN206035578U (en) 2016-08-25 2016-08-25 Take ripple section flange silencer

Country Status (1)

Country Link
CN (1) CN206035578U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111197520A (en) * 2020-02-24 2020-05-26 深圳联合飞机科技有限公司 Flexible exhaust system, engine and unmanned aerial vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111197520A (en) * 2020-02-24 2020-05-26 深圳联合飞机科技有限公司 Flexible exhaust system, engine and unmanned aerial vehicle
CN111197520B (en) * 2020-02-24 2021-07-20 深圳联合飞机科技有限公司 Flexible exhaust system, engine and unmanned aerial vehicle

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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: 20170322

Termination date: 20190825