CN208793081U - A kind of SCR case and secondary silencer - Google Patents
A kind of SCR case and secondary silencer Download PDFInfo
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- CN208793081U CN208793081U CN201821392343.7U CN201821392343U CN208793081U CN 208793081 U CN208793081 U CN 208793081U CN 201821392343 U CN201821392343 U CN 201821392343U CN 208793081 U CN208793081 U CN 208793081U
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- Prior art keywords
- silencer
- scr case
- pair
- flange
- connecting portion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a kind of SCR case and secondary silencers, wherein secondary silencer includes secondary muffler body, the first end of secondary muffler body is provided with the first connecting portion connecting with the rear removable of SCR case, and the second end of secondary silencer is provided with the second connecting portion connecting with exhaust pipe periproct.This programme is by being arranged first connecting portion on secondary muffler body, realize the connection of the tail portion of secondary silencer and SCR case, secondary silencer is integrated in SCR case, the fixation to secondary silencer is realized in the fixed point of vehicle using SCR case, installation point is found without being individually for secondary silencer, it is effectively utilized the trailing space of SCR case, realizes the installation that secondary silencer is more compact on vehicle in structure.
Description
Technical field
The utility model relates to Vehicle Engineering technical field, in particular to a kind of SCR case and secondary silencer.
Background technique
In the prior art, secondary silencer passes through the structures such as clip first and is individually fixed on vehicle or is hung on vehicle, then
The front end of secondary silencer is connect by pipeline with SCR (SCR technology) case again, rear end is connect with tailpipe.
Secondary silencer needs to occupy individual space and is installed in the prior art, causes the structures such as light commercial vehicle to be more compact whole
Vehicle often arranges secondary silencer without enough spaces.
Therefore, how to realize the installation that secondary silencer is more compact on vehicle in structure, become those skilled in the art
Technical problem urgently to be resolved.
Utility model content
In view of this, the present invention provides a kind of secondary silencers, to realize that secondary silencer is more compact in structure
Installation on vehicle.The utility model additionally provides a kind of SCR case.
To achieve the above object, the utility model provides the following technical solutions:
The first end of a kind of pair silencer, including secondary muffler body, the pair muffler body is provided with and SCR case
The first connecting portion of rear removable connection, the second end of the pair silencer are provided with second connect with exhaust pipe periproct and connect
Socket part.
Preferably, in above-mentioned secondary silencer, the first connecting portion is flange, the first end of the pair muffler body
It is connect by the flange with the first flange of the tail portion of the SCR case.
Preferably, in above-mentioned secondary silencer, the second connecting portion is flange, the second end of the pair muffler body
It is connect by the flange with the second flange of the exhaust pipe periproct.
Preferably, in above-mentioned secondary silencer, the pair muffler body includes:
The first pipeline being connected to the tail portion of the SCR case, the first end of first pipeline being connect with the SCR case
It is provided with the first connecting portion, the diameter of first pipeline is equal with the diameter of tail portion port of the SCR case；
The second pipeline being connected to the second end of first pipeline, diameter and the exhaust pipe periproct of second pipeline
Diameter is equal.
Preferably, in above-mentioned secondary silencer, between the first end of the pair muffler body and the tail portion of the SCR case
It is provided with the first sealing ring.
Preferably, in above-mentioned secondary silencer, between the second end and the exhaust pipe periproct of the pair muffler body
It is provided with the second sealing ring.
Preferably, in above-mentioned secondary silencer, the pair muffler body and the first connecting portion are integrally formed knot
Structure.
Preferably, in above-mentioned secondary silencer, the pair muffler body and the second connecting portion are integrally formed knot
Structure.
A kind of SCR case, including SCR case ontology, the tail portion of the SCR case ontology are provided with secondary silencer, the secondary noise elimination
Device is the secondary silencer recorded in any one above-mentioned scheme；
The third interconnecting piece connecting with the first connecting portion of the secondary silencer is provided on the SCR case ontology.
Preferably, in above-mentioned SCR case, the first connecting portion is flange, and the third interconnecting piece is first flange.
It can be seen from the above technical proposal that pair silencer provided by the utility model, including secondary muffler body, pair disappear
The first end of sound device ontology is provided with the first connecting portion connecting with the rear removable of SCR case, and the second end of secondary silencer is set
It is equipped with the second connecting portion connecting with exhaust pipe periproct.This programme is real by the way that first connecting portion is arranged on secondary muffler body
The connection of the tail portion of existing pair silencer and SCR case, i.e., be integrated in SCR case for secondary silencer, using SCR case vehicle fixed point
It realizes the fixation to secondary silencer, finds installation point without being individually for secondary silencer, the tail portion for being effectively utilized SCR case is empty
Between, realize the installation that secondary silencer is more compact on vehicle in structure.
This programme also discloses a kind of SCR case, including SCR case ontology, and the tail portion of SCR case ontology is provided with secondary silencer,
Secondary silencer is the secondary silencer that any one above-mentioned scheme is recorded.Since secondary silencer has above-mentioned technique effect, having should
The SCR case of secondary silencer also has same technical effect, and details are not described herein.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the secondary silencer that the prior art provides；
Fig. 2 is the structural schematic diagram of secondary silencer provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of SCR case provided by the embodiment of the utility model.
1, secondary muffler body, 2, first connecting portion, 3, second connecting portion, 4, SCR case.
Specific embodiment
The utility model discloses a kind of secondary silencers, to realize that secondary silencer is more compact the peace on vehicle in structure
Dress.The invention also discloses a kind of SCR casees.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 2 and Fig. 3 are please referred to, Fig. 2 is the structural schematic diagram of secondary silencer provided by the embodiment of the utility model；Fig. 3 is
The structural schematic diagram of SCR case provided by the embodiment of the utility model.
The utility model discloses a kind of secondary silencer, including secondary muffler body 1, the first ends of secondary muffler body 1
It is provided with the first connecting portion 2 connecting with the rear removable of SCR case 4, the second end of secondary silencer is provided with and exhausting pipe tail
Save the second connecting portion 3 of connection.
The secondary silencer that this programme provides, the one end of secondary muffler body 1 connecting with the tail portion of SCR case 4 are named as the
One end connecting with exhaust pipe periproct of one end, secondary muffler body 1 is named as second end, and wherein first end is provided with the first company
Socket part 2, second end are provided with second connecting portion 3.
This programme realizes the tail portion of secondary silencer and SCR case 4 by the way that first connecting portion 2 is arranged on secondary muffler body
Connection, i.e., secondary silencer is integrated in SCR case 4, the fixed point using SCR case 4 in vehicle realizes fixation to secondary silencer,
Installation point is found without being individually for secondary silencer, the trailing space of SCR case 4 is effectively utilized, realizes secondary silencer and exist
Structure is more compact the installation on vehicle.
In addition, secondary silencer is integrated together with SCR case 4, do not need that individually secondary silencer is fixed, to reduce
Fixed point quantity on vehicle, and this kind of integrated morphology, realize the simplification of complete vehicle structure to a certain extent.
In a specific embodiment of this programme, first connecting portion 2 is flange, and the first end of secondary muffler body 1 is logical
Flange is crossed to connect with the first flange of the tail portion of SCR case 4.First connecting portion 2 is provided with flange, correspondingly, the tail portion of SCR case 4
It is provided with the first flange with flange cooperation, the flange and first flange of first connecting portion 2 are cooperated by screw bolt and nut to be realized
Connection.The quantity of flange hole on the flange and first flange of specific first connecting portion 2 is then designed as needed.For reality
The bolt that the flange and first flange of existing first connecting portion 2 are attached can select hex bolts, and nut can select hexagonal
Nut.
In a specific embodiment of this programme, second connecting portion 3 is flange, and the second end of secondary muffler body 1 is logical
Flange is crossed to connect with the second flange of exhaust pipe periproct.First connecting portion 2 is provided with flange, correspondingly, exhaust pipe periproct is set
It is equipped with the second flange with flange cooperation, the flange and second flange of second connecting portion 3 cooperate the company of realization by bolts and nuts
It connects.The quantity of flange hole on the flange and second flange of specific second connecting portion 3 is then designed as needed.For realizing
The bolt that the flange and second flange of second connecting portion 3 are attached can select hex bolts, and nut can select hexagonal spiral shell
It is female.
This programme also improves the structure of secondary muffler body 1, specifically, secondary muffler body 1 includes: first
Pipeline and the second pipeline, wherein the first pipeline is connected to the tail portion of SCR case 4, the second pipeline is connected to exhaust pipe periproct, the first pipe
The diameter on road is equal with the diameter of tail portion port of SCR case 4, and the diameter of the second pipeline is equal with the diameter of exhaust pipe periproct, the
Two pipelines and the first pipeline connection, the second end of the first pipeline are provided with sealing plate, are offered on sealing plate for connecting with the second pipeline
Logical opening, that is to say, that the joint face of the second pipeline and the first pipeline is step surface.
Pair muffler body 1 in the prior art is cylindrical secondary silencer, and the both ends of cylindrical pair silencer are respectively provided with
The connecting tube for having the more cylindrical secondary silencer diameter of diameter small, and be step surface between connecting tube and cylindrical secondary silencer, this
Only one end is provided with the second pipeline for connecting with exhaust pipe tail pipe, secondary silencer sheet to the secondary muffler body 1 that scheme provides
Body 1 is directly connect with the tail portion of SCR case 4, is eliminated compared with the existing technology for auxiliary connection muffler body 1 and SCR case 4
The pipeline of tail portion to simplify the structure of secondary silencer, and alleviates weight, the secondary muffler body that in addition this programme provides
1 structure is relatively easy, and quality is relatively light, advantage of lower cost.
In order to guarantee the leakproofness between secondary muffler body 1 and the tail portion of SCR case 4, the first end of secondary muffler body 1
The first sealing ring is provided between the tail portion of SCR case 4.Preferably, the first sealing ring is rubber seal.
In order to guarantee the leakproofness between secondary muffler body 1 and exhaust pipe periproct, the second end of secondary muffler body 1 with
The second sealing ring is provided between exhaust pipe periproct.Preferably, the second sealing ring is rubber seal.
In order to reduce the difficulty of processing of secondary silencer, secondary muffler body 1 is an integral molding structure with first connecting portion 2.
In order to further decrease the difficulty of processing of secondary silencer, secondary muffler body 1 is integrally formed with second connecting portion 3
Structure.
This programme also discloses a kind of SCR case 4, including SCR case ontology, and the tail portion of SCR case ontology is provided with secondary silencer,
Secondary silencer is the secondary silencer that any one above-mentioned scheme is recorded.Since secondary silencer has above-mentioned technique effect, having should
The SCR case 4 of secondary silencer also has same technical effect, and details are not described herein.
The third interconnecting piece connecting with the first connecting portion 2 of secondary silencer is provided on SCR case ontology.
In a specific embodiment of this programme, first connecting portion 2 is flange, and third interconnecting piece is first flange.
For there is the vehicle of further noise reduction demand, the secondary silencer of the structure can be installed；It is secondary for not needing installation
The vehicle of silencer, can install exhaust pipe tail pipe directly on 4 rear flange of SCR case, i.e. first flange is used not only for connecting
Secondary silencer is connect, connection exhaust pipe tail pipe is can be also used for, improves component universality.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of pair silencer, which is characterized in that including secondary muffler body (1), the first end of the pair muffler body (1)
Be provided with the first connecting portion (2) connecting with the rear removable of SCR case (4), the second end of the pair silencer be provided with
The second connecting portion (3) of exhaust pipe periproct connection.
2. pair silencer according to claim 1, which is characterized in that the first connecting portion (2) is flange, and the pair disappears
The first end of sound device ontology (1) is connect by the flange with the first flange of the tail portion of the SCR case (4).
3. pair silencer according to claim 1, which is characterized in that the second connecting portion (3) is flange, and the pair disappears
The second end of sound device ontology (1) is connect by the flange with the second flange of the exhaust pipe periproct.
4. it is according to claim 1 pair silencer, which is characterized in that it is described pair muffler body (1) include:
The first pipeline being connected to the tail portion of the SCR case (4), first connect with the SCR case (4) of first pipeline
End is provided with the first connecting portion (2), the diameter phase of the diameter of first pipeline and the tail portion port of the SCR case (4)
Deng；
The second pipeline being connected to the second end of first pipeline, the diameter of second pipeline and the diameter of exhaust pipe periproct
It is equal.
5. pair silencer according to claim 1, which is characterized in that the first end of the pair muffler body (1) and institute
It states and is provided with the first sealing ring between the tail portion of SCR case (4).
6. pair silencer according to claim 1, which is characterized in that the second end of the pair muffler body (1) and institute
It states and is provided with the second sealing ring between exhaust pipe periproct.
7. pair silencer according to claim 1, which is characterized in that the pair muffler body (1) and described first connects
Socket part (2) is an integral molding structure.
8. pair silencer according to claim 1, which is characterized in that the pair muffler body (1) and described second connects
Socket part (3) is an integral molding structure.
9. a kind of SCR case, including SCR case ontology, which is characterized in that the tail portion of the SCR case ontology is provided with secondary silencer, institute
Stating secondary silencer is secondary silencer described in any one of claim 1-8；
The third interconnecting piece connecting with the first connecting portion (2) of the secondary silencer is provided on the SCR case ontology.
10. SCR case according to claim 9, which is characterized in that the first connecting portion (2) is flange, and the third connects
Socket part is first flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392343.7U CN208793081U (en) | 2018-08-28 | 2018-08-28 | A kind of SCR case and secondary silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392343.7U CN208793081U (en) | 2018-08-28 | 2018-08-28 | A kind of SCR case and secondary silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793081U true CN208793081U (en) | 2019-04-26 |
Family
ID=66207262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821392343.7U Active CN208793081U (en) | 2018-08-28 | 2018-08-28 | A kind of SCR case and secondary silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793081U (en) |
-
2018
- 2018-08-28 CN CN201821392343.7U patent/CN208793081U/en active Active
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