CN205618239U - Exhaust system's silencer - Google Patents
Exhaust system's silencer Download PDFInfo
- Publication number
- CN205618239U CN205618239U CN201620469735.3U CN201620469735U CN205618239U CN 205618239 U CN205618239 U CN 205618239U CN 201620469735 U CN201620469735 U CN 201620469735U CN 205618239 U CN205618239 U CN 205618239U
- Authority
- CN
- China
- Prior art keywords
- rake
- extraction system
- gas extraction
- acoustic filter
- gap
- 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- Withdrawn - After Issue
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides an exhaust system's silencer which includes the casing, install in baffle in the casing and passing the pipe of baffle, the baffle is equipped with the flat part, through the punching press flat part and the turn -ups and the quilt that form the perforation that the turn -ups surrounded, the turn -ups perpendicular to the flat part, the pipe is equipped with cylindric rake, the rake inserts in the perforation, perforating including first portion, second portion, third part and fourth part, wherein being equipped with first clearance between the surface of first portion and rake, be equipped with the second clearance between the surface of second portion and rake, at least partial third part and fourth partially are in the same place with the outer skin weld of rake respectively. Compared with the prior art, the utility model discloses a straight hole flanging, processing is convenient, and the cost is lower, in addition, through setting up first clearance and second clearance, in being convenient for insert the perforation of baffle with the rake of pipe.
Description
Technical field
This utility model relates to the acoustic filter of a kind of gas extraction system for motor vehicles.
Background technology
The acoustic filter of traditional gas extraction system includes housing, the baffle plate being positioned at housing and passes baffle plate
The pipe (such as inlet tube, outlet etc.) installed.When pipe is inclined tube, baffle plate is the most permissible
Oblique hole flanging is set or straight hole flanging passes for inclined tube.But, when the oblique hole flanging of punching press on baffle plate,
On the one hand, difficulty of processing is big, relatively costly；On the other hand, the place of similar wedge angle can be produced, this
A little local stress that easily produce are concentrated, thus affect the durability of product.When on baffle plate, stamping straight turns over
Kong Shi, although handling ease, but inclined tube is relatively difficult with the assembling of baffle plate, and because being difficult to control pipe
Son and the welded gaps of baffle plate, weld the most relatively difficult.
Utility model content
The purpose of this utility model is that the rake providing a kind of pipe easily carries out assembling and resistance to baffle plate
The acoustic filter of the preferable gas extraction system of property for a long time.
For achieving the above object, this utility model adopts the following technical scheme that the noise elimination of a kind of gas extraction system
Device, it includes housing, the baffle plate being installed in described housing and the pipe through described baffle plate, institute
State baffle plate be provided with flat part, stamped described flat part and the flange that formed and wrapped by described flange
The perforation enclosed, described flange is perpendicular to described flat part, and described pipe is provided with the rake of cylindrical shape,
Described rake inserts in described perforation, described perforation includes superposed Part I, be positioned under
The Part II in portion, connect the 3rd with the side of described Part II in the side of described Part I
Divide and connect the Part IV of the opposite side of described Part I and the opposite side of described Part II,
The first gap it is provided with between the outer surface of wherein said Part I and described rake, described second
Point be provided with the second gap between the outer surface of described rake, at least part of described Part III and
At least part of described Part IV outer surface with described rake respectively welds together.
The technical scheme improved further as this utility model, between described second gap is more than described first
Gap.
The technical scheme improved further as this utility model, described Part I is curved and with described
The outer surface of rake is consistent.
The technical scheme improved further as this utility model, described Part III and described rake
It is provided with third space between outer surface, is provided with between the outer surface of described Part IV and described rake
4th gap, described third space and described 4th gap are respectively less than 0.35 millimeter.
The technical scheme improved further as this utility model, described Part III and described 4th
Point all outer surfaces with described rake compress mutually.
The technical scheme improved further as this utility model, described Part II is curved, and described
The radius of Part II is more than the radius of described Part I.
The technical scheme improved further as this utility model, described Part III includes and described first
The first arc section that part connects, described first arc section is welded on one with the outer surface of described rake
Rise；Described Part IV includes the second arc section being connected with described Part I, described second circular arc
Section welds together with the outer surface of described rake.
The technical scheme improved further as this utility model, described Part III includes connecting described
Two parts and the first straightway of described first arc section；Described Part IV includes connecting described second
Part and the second straightway of described second arc section.
The technical scheme improved further as this utility model, described Part I not with described rake
Outer surface welding.
The technical scheme improved further as this utility model, described Part II not with described rake
Outer surface welding.
Compared to prior art, this utility model uses straight hole flanging, and easy to process, cost is relatively low；It addition,
By arranging the first gap and the second gap, it is simple to the rake of pipe is inserted in the perforation of baffle plate.
Accompanying drawing explanation
Fig. 1 is the front view of the baffle plate of this utility model acoustic filter.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 1.
Fig. 4 is the front view that pipe inserts after baffle plate.
Fig. 5 is the generalized section of line A-A along Fig. 4.
Fig. 6 is the partial enlarged drawing of Fig. 5.
Detailed description of the invention
Please join shown in Fig. 1 to Fig. 6, this utility model discloses the acoustic filter of a kind of gas extraction system, its
The baffle plate 1 including housing (not shown), being installed in described housing and the pipe passing described baffle plate
Son 2.
Please join shown in Fig. 1 to Fig. 3, baffle plate 1 is provided with flat part 11, stamped described flat part 11
And the flange 12 formed and the perforation 13 surrounded by described flange 12.Described flat part 11 sets
There are some through holes 111.Described flange 12 is perpendicular to described flat part 11.Described pipe 2 is provided with circle
The rake 21 of tubular, described rake 21 inserts in described perforation 13.
Described perforation 13 include superposed Part I 131, the Part II 132 being positioned at bottom,
Connect the side (such as left side) of described Part I 131 and the side (example of described Part II 132
Such as left side) Part III 133 and the opposite side (such as right side) of Part I 131 as described in connecting
With the Part IV 134 on the opposite side of described Part II 132 (such as right side), wherein said the
It is provided with the first gap 141 between a part 131 and the outer surface of described rake 21, described second
Point it is provided with the second gap 142 between 132 and the outer surface of described rake 21, the most described the
Three parts 133 and at least part of described Part IV 134 respectively with the appearance of described rake 21
Face welds together.
In this utility model embodiment illustrated, described Part I 131 is curved and with described
The outer surface of rake 21 is consistent.Described second gap 142 is more than described first gap 141, with
It is easy to insert in described perforation 13 rake 21 of described pipe 2.Described Part I 131 is not
Weld with the outer surface of described rake 21, described Part II 132 not with described rake 21
Outer surface welds, and is arranged such, it is possible to make aerofluxus pass from these gaps.
Described Part II 132 is curved, and the radius of described Part II 132 is more than described first
The radius of part 131.
In a kind of embodiment of the present utility model, described Part III 133 and described rake 21
Outer surface between be provided with third space 143, outside described Part IV 134 is with described rake 21
Being provided with the 4th gap 144 between surface, described third space 143 is the least with described 4th gap 144
In 0.35 millimeter, in order to promote welding effect.
In another embodiment of the present utility model, described Part III 133 and the described 4th
Part 134 all outer surfaces with described rake 21 compress mutually, in order to welding.
In this utility model embodiment illustrated, described Part III 133 includes and described first
The first arc section 135 that part 131 connects, described first arc section 135 and described rake 21
Outer surface weld together；Described Part IV 134 includes being connected with described Part I 131
Second arc section 136, described second arc section 136 is welded on one with the outer surface of described rake 21
Rise.It addition, described Part III 133 also includes connecting described Part II 132 and described first circle
First straightway 137 of segmental arc 135；Described Part IV 134 includes connecting described Part II 132
The second straightway 138 with described second arc section 136.
Compared to prior art, this utility model uses straight hole flanging, and easy to process, cost is relatively low；It addition,
By making to be provided with between the outer surface of Part I 131 and rake 21 first gap 141, second
Divide and between 132 and the outer surface of described rake 21, be provided with the second gap 142, it is simple to by rake
21 insert in described perforation 13.
It addition, above example be merely to illustrate this utility model and and unrestricted this utility model retouched
The technical scheme stated, understanding of this description should be with person of ordinary skill in the field as base
Plinth, although this utility model is had been carried out describing in detail by this specification with reference to the above embodiments,
But, it will be understood by those within the art that, person of ordinary skill in the field still may be used
To modify this utility model or equivalent, and all are without departing from spirit of the present utility model
With technical scheme and the improvement thereof of scope, all should contain in right of the present utility model.
Claims (10)
1. an acoustic filter for gas extraction system, it includes housing, the baffle plate that is installed in described housing with
And through the pipe of described baffle plate, described baffle plate be provided with flat part, stamped described flat part and formed
Flange and the perforation surrounded by described flange, described flange is perpendicular to described flat part, described
Pipe is provided with the rake of cylindrical shape, and described rake inserts in described perforation, it is characterised in that: institute
Stating perforation to include superposed Part I, be positioned at the Part II of bottom, connect described first
Point side and the Part III of the side of described Part II and be connected the another of described Part I
The Part IV of the opposite side of side and described Part II, wherein said Part I and described inclination
The first gap it is provided with, between the outer surface of described Part II and described rake between the outer surface in portion
Be provided with the second gap, at least part of described Part III and at least part of described Part IV respectively with
The outer surface of described rake welds together.
2. the acoustic filter of gas extraction system as claimed in claim 1, it is characterised in that: between described second
Gap is more than described first gap.
3. the acoustic filter of gas extraction system as claimed in claim 2, it is characterised in that: described first
Divide curved and consistent with the outer surface of described rake.
4. the acoustic filter of gas extraction system as claimed in claim 1, it is characterised in that: described 3rd
Divide and be provided with third space between the outer surface of described rake, described Part IV and described rake
Outer surface between be provided with the 4th gap, described third space and described 4th gap are respectively less than 0.35
Millimeter.
5. the acoustic filter of gas extraction system as claimed in claim 1, it is characterised in that: described 3rd
Point and described Part IV all outer surfaces with described rake compress mutually.
6. the acoustic filter of gas extraction system as claimed in claim 3, it is characterised in that: described second
Divide curved, and the radius of described Part II is more than the radius of described Part I.
7. the acoustic filter of gas extraction system as claimed in claim 6, it is characterised in that: described 3rd
Divide the first arc section including being connected, described first arc section and described rake with described Part I
Outer surface weld together；Described Part IV includes the second circular arc being connected with described Part I
Section, described second arc section welds together with the outer surface of described rake.
8. the acoustic filter of gas extraction system as claimed in claim 7, it is characterised in that: described 3rd
Divide the first straightway including connecting described Part II with described first arc section；Described Part IV
Including the second straightway connecting described Part II and described second arc section.
9. the acoustic filter of gas extraction system as claimed in claim 1, it is characterised in that: described first
Point not the outer surface with described rake does not welds.
10. the acoustic filter of gas extraction system as claimed in claim 1, it is characterised in that: described second
The most the outer surface with described rake does not welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620469735.3U CN205618239U (en) | 2016-05-20 | 2016-05-20 | Exhaust system's silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620469735.3U CN205618239U (en) | 2016-05-20 | 2016-05-20 | Exhaust system's silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618239U true CN205618239U (en) | 2016-10-05 |
Family
ID=57023478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620469735.3U Withdrawn - After Issue CN205618239U (en) | 2016-05-20 | 2016-05-20 | Exhaust system's silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781699A (en) * | 2016-05-20 | 2016-07-20 | 上海天纳克排气系统有限公司 | Muffler of exhaust system |
-
2016
- 2016-05-20 CN CN201620469735.3U patent/CN205618239U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781699A (en) * | 2016-05-20 | 2016-07-20 | 上海天纳克排气系统有限公司 | Muffler of exhaust system |
| CN105781699B (en) * | 2016-05-20 | 2019-12-13 | 上海天纳克排气系统有限公司 | Muffler for an exhaust system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161005 Effective date of abandoning: 20191213 |
|
| AV01 | Patent right actively abandoned |