CN206092112U - Muffler - Google Patents
Muffler Download PDFInfo
- Publication number
- CN206092112U CN206092112U CN201621125224.6U CN201621125224U CN206092112U CN 206092112 U CN206092112 U CN 206092112U CN 201621125224 U CN201621125224 U CN 201621125224U CN 206092112 U CN206092112 U CN 206092112U
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- baffle
- cavity
- acoustic filter
- pipe
- 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.)
- Withdrawn - After Issue
Links
- 230000008676 import Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 238000001727 in vivo Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a muffler which includes casing, first, second baffle, intake pipe, U -shaped pipe and first, second outlet duct. Including expansion chamber, first cavity and second cavity in the casing. The U -shaped pipe is equipped with first end and the second end. Muffler still includes and is used for connecting the intake pipe with the connecting plate of first end, wherein the connecting plate is equipped with the welding and is in the outer edge part of the tip of intake pipe, inside protrusion planar flexible portion in outer edge part place and outside protrusion outer edge part belongs to planar weld part, the first end inserts in the weld part and with weld part welded fastening together. So set up, can make this weld part possess longer length, thus increased with the bonding area of first end, in addition, because flexible portion possesses certain elasticity, and it can release stress to durability when promotion muffler passes through atress and temperature variation because of the air current.
Description
Technical field
This utility model is related to a kind of acoustic filter, belongs to engine exhaust post-processing technology field.
Background technology
High-temperature exhaust air in acoustic filter easily makes element that mechanically deform occurs, so as to cause the cracking of welding position.According to
The requirement of durability, requires consideration for how to solve above-mentioned technical problem in muffler desing.
Utility model content
The purpose of this utility model is to provide a kind of durability preferable acoustic filter.
For achieving the above object, this utility model is adopted the following technical scheme that：A kind of acoustic filter, it includes housing, is located at
First baffle in the housing and second baffle, through the air inlet pipe of the first baffle, through the first baffle and institute
State the U-tube and the first escape pipe and the second outlet through the first baffle and the second baffle of second baffle
Pipe；The housing includes upper shell and the lower house welded together with the upper shell, includes being located at institute in the housing
State the expansion chamber between first baffle and the second baffle, the first cavity positioned at the side of the first baffle and be located at
Second cavity of the opposite side of the second baffle；The first baffle is not provided with connection first cavity and the expansion chamber
Perforate, the second baffle is communicated with some perforates of second cavity and the expansion chamber；The U-tube is provided with
One end and extend into the second end in first cavity；First escape pipe is also with second escape pipe
U-shaped；The acoustic filter also includes connecting the connecting plate of the air inlet pipe and the first end, wherein the connecting plate sets
There are the outer edge of the end for being welded on the air inlet pipe, inwardly projecting outer edge place plane and extend into the air inlet pipe
Interior flexible portion and the weld part of outwardly outer edge place plane, the first end is inserted in the weld part
And be welded and fixed together with the weld part.
Used as the further improved technical scheme of this utility model, the flexible portion is punching press shape inside from the outer edge
Into U-lag.
As the further improved technical scheme of this utility model, if the air inlet pipe is provided with what is connected with the expansion chamber
Dry perforation.
Used as the further improved technical scheme of this utility model, the caliber of the U-tube is less than the pipe of the air inlet pipe
Footpath.
Used as the further improved technical scheme of this utility model, first escape pipe includes the first connecting tube and institute
State the second parallel connecting tube of the first connecting tube and connect first connecting tube and connect with the first U-shaped of second connecting tube
Adapter, wherein first connecting tube be provided with connect with second cavity first be open, first connecting tube with it is described
Through the first baffle and the second baffle, the first U-shaped connecting tube is located at first chamber to second connecting tube
In vivo.
Used as the further improved technical scheme of this utility model, first connecting tube is extended in second cavity
Part be provided with some circular holes.
Used as the further improved technical scheme of this utility model, second escape pipe includes the 3rd connecting tube and institute
State the 4th parallel connecting tube of the 3rd connecting tube and connect the 3rd connecting tube and connect with the second U-shaped of the 4th connecting tube
Adapter, wherein the 3rd connecting tube be provided with connect with second cavity second be open, the 3rd connecting tube with it is described
Through the first baffle and the second baffle, the second U-shaped connecting tube is located at first chamber to 4th connecting tube
In vivo.
Used as the further improved technical scheme of this utility model, second opening is horn mouth.
Used as the further improved technical scheme of this utility model, the air inlet pipe is provided with positioned at one corner of the housing
Import, second connecting tube is provided with first outlet, and the 4th connecting tube is provided with second outlet, the first outlet and institute
State the middle part that second outlet is located at the housing along the short transverse of the housing.
Compared to prior art, this utility model by by the outwardly outer edge place plane of weld part, therefore
The weld part can be made to possess longer length, so as to increase the bonding area with the first end.Further, since described
Flexible portion possesses certain retractility, and it can discharge stress, so as to lift acoustic filter because air-flow is by stress and temperature change
When endurance quality.
Description of the drawings
Fig. 1 is the schematic perspective view of this utility model acoustic filter.
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 top view in Fig. 2 after upper shell.
Fig. 6 is the profile of the line A-A along Fig. 1.
Fig. 7 is the partial enlarged drawing of circled portion in Fig. 6.
Specific embodiment
Please join shown in Fig. 1 to Fig. 7, this utility model discloses a kind of acoustic filter 100, it includes housing 1, positioned at the shell
First baffle 21 in body 1 and second baffle 22, through the air inlet pipe 3 of the first baffle 21, through the first baffle 21
With the U-tube 4 of the second baffle 22 and through the first baffle 21 and the second baffle 22 the first escape pipe 5 with
And second escape pipe 6.
In this utility model embodiment illustrated, the housing 1 include upper shell 11 and with the upper shell 11
The lower house 12 for welding together.Include being located between the first baffle 21 and the second baffle 22 in the housing 1
Expansion chamber 13, the first cavity 14 positioned at the side of the first baffle 21 and the opposite side positioned at the second baffle 22
Second cavity 15.The first baffle 21 is not provided with connecting the perforate of first cavity 14 and the expansion chamber 13.Described
Two baffle plates 22 are communicated with some perforates 221 of second cavity 15 and the expansion chamber 13.
The air inlet pipe 3 is provided with some perforation 31 connected with the expansion chamber 13.
The U-tube 4 is provided with first end 41 and extends into the second end 42 in first cavity 14.The U
Caliber of the caliber of shape pipe 4 less than the air inlet pipe 3.The acoustic filter 100 also include connecting the air inlet pipe 3 with it is described
The connecting plate 7 of first end 41, wherein the connecting plate 7 is provided with the outer edge 71, inwardly of the end for being welded on the air inlet pipe 3
Protrude the place plane of the outer edge 71 and extend into the flexible portion 72 in the air inlet pipe 3 and the outwardly outer edge
The weld part 73 of 71 place planes.The first end 41 is inserted in the weld part 73 and is welded and fixed with the weld part 73
Together.Due to the outwardly place plane of the outer edge 71 of the weld part 73, therefore, it is possible to possess the weld part 73
Longer length, so as to increase the bonding area with the first end 41.Further, since the flexible portion 72 possesses necessarily
Retractility, it can discharge stress, so as to lift endurance quality of the acoustic filter because of air-flow by stress and during temperature change.
In this utility model embodiment illustrated, the flexible portion 72 is the U-lag being inwardly stamped and formed out from the outer edge 71.
First escape pipe 5 is also U-shaped with second escape pipe 6.First escape pipe 5 includes the first connection
Second connecting tube 52 parallel with first connecting tube 51 of pipe 51 and connection first connecting tube 51 connect with described second
First U-shaped connecting tube 53 of adapter 52, wherein first connecting tube 51 is provided with first connected with second cavity 15 opening
Mouth 511, first connecting tube 51 is with second connecting tube 52 through the first baffle 21 and the second baffle
22, the first U-shaped connecting tube 53 is located in first cavity 14.First connecting tube 51 extends into second cavity
Part in 15 is provided with some circular holes 512.
Second escape pipe 6 includes the 3rd connecting tube 61 fourth connecting tube 62 parallel with the 3rd connecting tube 61
And the second U-shaped connecting tube 63 of connection the 3rd connecting tube 61 and the 4th connecting tube 62, wherein the 3rd connection
Pipe 61 is provided with the second opening 611 connected with second cavity 15, the 3rd connecting tube 61 and the 4th connecting tube 62
Through the first baffle 21 and the second baffle 22, the second U-shaped connecting tube 63 is located at first cavity 14
It is interior.Second opening 611 is horn mouth.
The air inlet pipe 3 is provided with the import 32 positioned at 1 one corners of the housing, and second connecting tube 52 is provided with first
Outlet 521, the 4th connecting tube 62 is provided with second outlet 621, and the first outlet 521 is with the second outlet 621 along institute
The short transverse for stating housing 1 is located at the middle part of the housing 1.
In addition, above example is merely to illustrate this utility model and not limits the technical side described by this 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 this 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 this 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 acoustic filter, it includes housing, the first baffle in the housing and second baffle, through the first gear
The air inlet pipe of plate, through the first baffle with the U-tube of the second baffle and through the first baffle and described
First escape pipe and the second escape pipe of two baffle plates；The housing includes upper shell and welds together with the upper shell
Lower house, include being located at expansion chamber between the first baffle and the second baffle in the housing, positioned at described the
Second cavity of the first cavity of the side of one baffle plate and the opposite side positioned at the second baffle；The first baffle does not set
There is the perforate of connection first cavity and the expansion chamber, it is swollen with described that the second baffle is communicated with second cavity
Some perforates in swollen chamber；The U-tube is provided with first end and extends into the second end in first cavity；Described
One escape pipe is also U-shaped with second escape pipe；It is characterized in that：The acoustic filter also includes connecting the air inlet
The connecting plate of pipe and the first end, wherein the connecting plate be provided with the end for being welded on the air inlet pipe outer edge, to
Projecting inward outer edge place plane and extend into the flexible portion in the air inlet pipe and the outwardly outer edge institute
In the weld part of plane, the first end is inserted and is welded and fixed together in the weld part and with the weld part.
2. acoustic filter as claimed in claim 1, it is characterised in that：The flexible portion is inwardly stamped and formed out from the outer edge
U-lag.
3. acoustic filter as claimed in claim 2, it is characterised in that：The air inlet pipe is provided with some with what the expansion chamber was connected
Perforation.
4. acoustic filter as claimed in claim 3, it is characterised in that：Caliber of the caliber of the U-tube less than the air inlet pipe.
5. acoustic filter as claimed in claim 4, it is characterised in that：First escape pipe includes the first connecting tube and described
The second parallel connecting tube of first connecting tube and connection first connecting tube are connected with the first U-shaped of second connecting tube
Pipe, wherein first connecting tube is provided with first connect with second cavity be open, first connecting tube and described the
Through the first baffle and the second baffle, the first U-shaped connecting tube is located at first cavity to two connecting tubes
It is interior.
6. acoustic filter as claimed in claim 5, it is characterised in that：First connecting tube is extended in second cavity
Part is provided with some circular holes.
7. acoustic filter as claimed in claim 6, it is characterised in that：Second escape pipe includes the 3rd connecting tube and described
The 4th parallel connecting tube of 3rd connecting tube and connection the 3rd connecting tube are connected with the second U-shaped of the 4th connecting tube
Pipe, wherein the 3rd connecting tube is provided with second connect with second cavity be open, the 3rd connecting tube and described the
Through the first baffle and the second baffle, the second U-shaped connecting tube is located at first cavity to four connecting tubes
It is interior.
8. acoustic filter as claimed in claim 7, it is characterised in that：Second opening is horn mouth.
9. acoustic filter as claimed in claim 8, it is characterised in that：The air inlet pipe is provided with positioned at one corner of the housing
Import, second connecting tube is provided with first outlet, and the 4th connecting tube is provided with second outlet, the first outlet with it is described
Second outlet is located at the middle part of the housing along the short transverse of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125224.6U CN206092112U (en) | 2016-10-14 | 2016-10-14 | Muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125224.6U CN206092112U (en) | 2016-10-14 | 2016-10-14 | Muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092112U true CN206092112U (en) | 2017-04-12 |
Family
ID=58484096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621125224.6U Withdrawn - After Issue CN206092112U (en) | 2016-10-14 | 2016-10-14 | Muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351713A (en) * | 2016-10-14 | 2017-01-25 | 上海天纳克排气系统有限公司 | Silencer |
| CN109854348A (en) * | 2017-11-30 | 2019-06-07 | 宝沃汽车（中国）有限公司 | Muffler ASSY, exhaust system and vehicle |
-
2016
- 2016-10-14 CN CN201621125224.6U patent/CN206092112U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351713A (en) * | 2016-10-14 | 2017-01-25 | 上海天纳克排气系统有限公司 | Silencer |
| CN106351713B (en) * | 2016-10-14 | 2019-05-03 | 上海天纳克排气系统有限公司 | Silencer |
| CN109854348A (en) * | 2017-11-30 | 2019-06-07 | 宝沃汽车（中国）有限公司 | Muffler ASSY, exhaust system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20190503 |
|
| AV01 | Patent right actively abandoned |