CN206092120U - Muffler - Google Patents
Muffler Download PDFInfo
- Publication number
- CN206092120U CN206092120U CN201621125616.2U CN201621125616U CN206092120U CN 206092120 U CN206092120 U CN 206092120U CN 201621125616 U CN201621125616 U CN 201621125616U CN 206092120 U CN206092120 U CN 206092120U
- Authority
- CN
- China
- Prior art keywords
- hole
- baffle
- connecting tube
- cavity
- silencer
- 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.)
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Links
- 230000003584 silencer Effects 0.000 claims description 29
- 239000011148 porous material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000035882 stress Effects 0.000 abstract description 5
- 230000008646 thermal stress Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 4
- 208000002925 dental caries Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a muffler which includes the casing, is located first, second baffle, intake pipe and U -shaped pipe in the casing. The U -shaped pipe includes first connecting pipe, is on a parallel with the second connecting pipe and the U -shaped connecting pipe of first connecting pipe. First baffle is equipped with first through -hole, second through -hole and third through -hole, the second baffle is equipped with fourth through -hole, five -way hole and the 6th through -hole, wherein first baffle be equipped with with the first elastic arm that the third through -hole is connected, the second baffle be equipped with with the second elastic arm of five -way jogged joint, the intake pipe is passed first through -hole with the fourth through -hole, wherein the intake pipe with first through -hole welding, but not with the welding of fourth through -hole. The utility model discloses an intake pipe, first connecting pipe and second connecting pipe all have the structure that can absorb stress to can release the inside thermal stress of muffler, avoid the welding seam drawing breakage, improve muffler's durability.
Description
Technical field
The utility model is related to a kind of silencer, belongs to engine exhaust post-processing technology field.
Background technology
In passenger car field, silencer is the device of the reduction noise being widely used on car.The work temperature of silencer
Difference scope is very big, and up to several Baidu when temperature is high, silencer temperature can be in the subzero several years during cold start-up.Under such huge temperature difference
Often there is weld seam drawing crack because thermal stress cannot discharge in work, the weld seam inside silencer.
Utility model content
The purpose of this utility model is to provide one kind to discharge silencer built-in thermal stress, it is to avoid weld seam drawing crack, from
And improve the silencer of its endurance quality.
For achieving the above object, the utility model is adopted the following technical scheme that：A kind of silencer, it includes housing, difference
It is fixed on the first end cap and the second end cap, the first baffle in the housing and second baffle, frame of the housing both sides
The air inlet pipe being located on the first baffle and the second baffle and U-tube, the silencer is provided with positioned at described first
The first cavity between end cap and the first baffle, the second cavity between the first baffle and the second baffle
And the 3rd cavity between the second baffle and second end cap, the U-tube includes parallel to the air inlet
First connecting tube of pipe, the second connecting tube parallel to first connecting tube and connect first connecting tube with described the
The U-shaped connecting tube of two connecting tubes, wherein first connecting tube is through the first baffle is with the second baffle and extends into
In 3rd cavity, second connecting tube runs through the first baffle with the second baffle and is exposed to second end
Cover, the U-shaped connecting tube is located in first cavity；The first baffle is provided with first through hole, the second through hole and
Three through holes, the second baffle is provided with fourth hole, fifth hole and the 6th through hole, wherein the first baffle is provided with and institute
The first elastic arm of third through-hole connection is stated, the second baffle is provided with the second elastic arm being connected with the fifth hole；Institute
Air inlet pipe is stated through the first through hole and the fourth hole, wherein the air inlet pipe is welded with the first through hole, but
The air inlet pipe is not welded with the fourth hole；First connecting tube passes through second through hole and the fifth hole,
Wherein described first connecting tube is welded with second through hole, and first connecting tube is welded with the fifth hole；It is described
Second connecting tube passes through the third through-hole and the 6th through hole, wherein second connecting tube is welded with the third through-hole
Connect, and second connecting tube is welded with the 6th through hole.
Used as the further improved technical scheme of the utility model, the aperture of the fourth hole is more than the first through hole
Aperture.
Used as the further improved technical scheme of the utility model, the air inlet pipe is provided with and is exposed on the first end lid
Air inlet；The part that the air inlet pipe is located in second cavity is provided with some perforates connected with second cavity；
The part that the air inlet pipe is extended in the 3rd cavity carries out end part seal by way of mechanical crimp.
Used as the further improved technical scheme of the utility model, the first baffle is provided with and is connected with the third through-hole
A pair first slits, first elastic arm be located at the slit of this pair first between.
Used as the further improved technical scheme of the utility model, the second baffle is provided with and is connected with the fifth hole
A pair second slits, second elastic arm be located at the slit of this pair second between.
Used as the further improved technical scheme of the utility model, first connecting tube is provided with positioned at the 3rd cavity
Interior horn mouth.
Used as the further improved technical scheme of the utility model, second connecting tube is located in second cavity
Part is provided with some perforation；The silencer also includes being socketed in the resonatron of the perforated peripheral.
As the further improved technical scheme of the utility model, the first baffle be communicated with first cavity with
Some first intercommunicating pores of second cavity.
As the further improved technical scheme of the utility model, the second baffle be communicated with second cavity with
Some second intercommunicating pores of the 3rd cavity.
Compared to prior art, air inlet pipe of the present utility model, the first connecting tube and the second connecting tube are respectively provided with can
Absorb the structure of stress such that it is able to discharge silencer built-in thermal stress, it is to avoid weld seam drawing crack, improve the durability of silencer
Energy.
Description of the drawings
Fig. 1 is the schematic perspective view of the utility model silencer.
Fig. 2 is the schematic perspective view of another angles of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is the further three-dimensional exploded views of Fig. 3.
Fig. 5 is to remove the schematic perspective view in Fig. 1 after housing and end cap.
Fig. 6 is the front view of first baffle in Fig. 5.
Fig. 7 is the front view of second baffle in Fig. 5.
Fig. 8 is the profile of the line A-A along Fig. 1.
Specific embodiment
Please join shown in Fig. 1 to Fig. 8, the utility model discloses a kind of silencer 100, it includes housing 1, is individually fixed in
First end cap 11 and the second end cap 12 of the both sides of the housing 1, the first baffle 21 in the housing 1 and second baffle
22nd, the air inlet pipe 3 being erected on the first baffle 21 and the second baffle 22 and U-tube 4.
The silencer 100 be provided with the first cavity 10 between first end cap 11 and the first baffle 21,
The second cavity 20 between the first baffle 21 and the second baffle 22 and positioned at the second baffle 22 and institute
State the 3rd cavity 30 between the second end cap 12.
The air inlet pipe 3 is provided with the air inlet 31 being exposed on first end cap 11.The air inlet pipe 3 is located at described the
Part in two cavitys 20 is provided with some perforates 32 connected with second cavity 20.The air inlet pipe 3 extends into described
Part in three cavitys 30 carries out end part seal by way of mechanical crimp；It is arranged such, end cover, a side can be saved
Face is by reducing the quantity of part come reduces cost；On the other hand eliminate because welding the failure produced by end cap, improve product
The durability of product.
The U-tube 4 includes the first connecting tube 41 parallel to the air inlet pipe 3, parallel to first connecting tube 41
The second connecting tube 42 and connect the U-shaped connecting tube 43 of first connecting tube 41 and second connecting tube 42, wherein institute
State the first connecting tube 41 to run through the first baffle 21 with the second baffle 22 and extend in the 3rd cavity 30.It is described
First connecting tube 41 is provided with the horn mouth 411 in the 3rd cavity 30.Second connecting tube 42 runs through described first
Baffle plate 21 is with the second baffle 22 and is exposed on second end cap 12.Second connecting tube 42 is located at second chamber
Part in body 20 is provided with some perforation 421；The silencer 100 also includes being socketed in the resonatron of 421 peripheries of the perforation
44.The U-shaped connecting tube 43 is located in first cavity 10.
Please join shown in Fig. 5 and Fig. 6, the first baffle 21 is provided with first through hole 211, the second through hole 212 being mutually aligned
And third through-hole 213.The first baffle 21 is additionally provided with the first elastic arm 214 being connected with the third through-hole 213.At this
In utility model embodiment illustrated, it is first narrow that the first baffle 21 is provided with a pair connected with the third through-hole 213
Groove 215, first elastic arm 214 is located between the first slit of this pair 215.The first baffle 21 is additionally provided with connection described the
Some first intercommunicating pores 216 of one cavity 10 and second cavity 20.
Please join shown in Fig. 5 and Fig. 7, the second baffle 22 is provided with fourth hole 221, the fifth hole 222 being mutually aligned
And the 6th through hole 223.The second baffle 22 is provided with the second elastic arm 224 being connected with the fifth hole 222.In this reality
With in new embodiment illustrated, the second baffle 22 is provided with a pair second slits connected with the fifth hole 222
225, second elastic arm 224 is located between the second slit of this pair 225.The second baffle 22 is additionally provided with connection described second
Some second intercommunicating pores 226 of cavity 20 and the 3rd cavity 30.
During assembling, the air inlet pipe 3 passes through the first through hole 211 and the fourth hole 221, wherein the air inlet pipe
3 weld with the first through hole 211, but the air inlet pipe 3 is not welded with the fourth hole 221.It is arranged such, to air inlet
For pipe 3, when temperature is raised and is reduced, air inlet pipe 3 can extend and shorten, and weld seam can thus be stretched, by second gear
The fourth hole 221 designed at plate 22, such stress is released, and would not produce destruction to weld seam.Preferably, the described 4th
The aperture of through hole 221 is more than the aperture of the first through hole 211.First connecting tube 41 is through second through hole 212 and institute
State fifth hole 222, wherein first connecting tube 41 is welded with second through hole 212, and first connecting tube 41 with
The fifth hole 222 is welded.Because the first elastic arm 214 possesses in itself certain deformability, therefore, it is possible to answer absorbing
Power, prevents deformation.Second connecting tube 42 passes through the third through-hole 213 and the 6th through hole 223, wherein described second
Connecting tube 42 is welded with the third through-hole 213, and second connecting tube 42 is welded with the 6th through hole 223.Due to
Two elastic arms 224 possess in itself certain deformability, therefore also can prevent deformation to absorbing stress.
In sum, the utility model is described on the direction of the first baffle 21 and second baffle 22
Air inlet pipe 3, the first connecting tube 41 and the second connecting tube 42 are respectively provided with the structure that can absorb stress such that it is able to which release is eliminated the noise
The built-in thermal stress of device 100, it is to avoid weld seam drawing crack, improves the endurance quality of silencer 100.
In addition, above example is merely to illustrate the utility model and not limits the technical side described by the utility model
Case, understanding of this description should be based on person of ordinary skill in the field, although this specification is with reference to above-mentioned
Embodiment has been carried out detailed description to the utility model, but, it will be understood by those within the art that, affiliated skill
The technical staff in art field still can modify or equivalent to the utility model, and all are new without departing from this practicality
The technical scheme of the spirit and scope of type and its improvement, all should cover in right of the present utility model.
Claims (9)
1. a kind of silencer, it includes housing, the first end cap and the second end cap that are individually fixed in the housing both sides, positioned at institute
State first baffle in housing and second baffle, be erected at the first baffle and the second baffle on air inlet pipe and U
Shape pipe, the silencer is provided with the first cavity between first end cap and the first baffle, positioned at described first
The second cavity between baffle plate and the second baffle and the between the second baffle and second end cap the 3rd
Cavity, the U-tube includes the first connecting tube parallel to the air inlet pipe, connects parallel to the second of first connecting tube
The U-shaped connecting tube of first connecting tube and second connecting tube is managed and connects, wherein first connecting tube runs through institute
First baffle is stated with the second baffle and is extended in the 3rd cavity, second connecting tube runs through the first baffle
With the second baffle and it is exposed on second end cap, the U-shaped connecting tube is located in first cavity；Its feature exists
In：The first baffle is provided with first through hole, the second through hole and third through-hole, the second baffle be provided with fourth hole,
Five through holes and the 6th through hole, wherein the first baffle is provided with the first elastic arm being connected with the third through-hole, described
Two baffle plates are provided with the second elastic arm being connected with the fifth hole；The air inlet pipe passes through the first through hole and the described 4th
Through hole, wherein the air inlet pipe is welded with the first through hole, but the air inlet pipe is not welded with the fourth hole；It is described
First connecting tube passes through second through hole and the fifth hole, wherein first connecting tube is welded with second through hole
Connect, and first connecting tube is welded with the fifth hole；Second connecting tube is through the third through-hole and described the
Six through holes, wherein second connecting tube is welded with the third through-hole, and second connecting tube is welded with the 6th through hole
Connect.
2. silencer as claimed in claim 1, it is characterised in that：The aperture of the fourth hole is more than the first through hole hole
Footpath.
3. silencer as claimed in claim 2, it is characterised in that：The air inlet pipe is provided with and is exposed on the first end lid
Air inlet；The part that the air inlet pipe is located in second cavity is provided with some perforates connected with second cavity；Institute
State the part that air inlet pipe extended in the 3rd cavity carries out end part seal by way of mechanical crimp.
4. silencer as claimed in claim 3, it is characterised in that：The first baffle is provided with what is connected with the third through-hole
A pair first slits, first elastic arm is located between the slit of this pair first.
5. silencer as claimed in claim 4, it is characterised in that：The second baffle is provided with what is connected with the fifth hole
A pair second slits, second elastic arm is located between the slit of this pair second.
6. silencer as claimed in claim 5, it is characterised in that：First connecting tube is provided with the 3rd cavity
Horn mouth.
7. silencer as claimed in claim 6, it is characterised in that：Second connecting tube is located at the portion in second cavity
It is arranged with some perforation；The silencer also includes being socketed in the resonatron of the perforated peripheral.
8. silencer as claimed in claim 7, it is characterised in that：The first baffle is communicated with first cavity and institute
State some first intercommunicating pores of the second cavity.
9. silencer as claimed in claim 8, it is characterised in that：The second baffle is communicated with second cavity and institute
State some second intercommunicating pores of the 3rd cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125616.2U CN206092120U (en) | 2016-10-14 | 2016-10-14 | Muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125616.2U CN206092120U (en) | 2016-10-14 | 2016-10-14 | Muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092120U true CN206092120U (en) | 2017-04-12 |
Family
ID=58483324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621125616.2U Active CN206092120U (en) | 2016-10-14 | 2016-10-14 | Muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246295A (en) * | 2016-10-14 | 2016-12-21 | 上海天纳克排气系统有限公司 | Acoustic filter |
-
2016
- 2016-10-14 CN CN201621125616.2U patent/CN206092120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246295A (en) * | 2016-10-14 | 2016-12-21 | 上海天纳克排气系统有限公司 | Acoustic filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |