CN209067333U - Catalytic converter integrates the mounting structure of grain catcher - Google Patents
Catalytic converter integrates the mounting structure of grain catcher Download PDFInfo
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- CN209067333U CN209067333U CN201821980220.5U CN201821980220U CN209067333U CN 209067333 U CN209067333 U CN 209067333U CN 201821980220 U CN201821980220 U CN 201821980220U CN 209067333 U CN209067333 U CN 209067333U
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- cavity
- grain catcher
- mounting structure
- catalytic converter
- catalyzing unit
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Abstract
The utility model discloses the mounting structure that a kind of catalytic converter integrates grain catcher, ternary catalyzing unit cavity, bellows, grain catcher cavity including being sequentially connected setting；The bracket institution for being mounted on ternary catalyzing unit cavity on case of transmission is provided on the ternary catalyzing unit cavity, the inlet end of ternary catalyzing unit cavity is connected to enmgine exhaust, and the outlet side of grain catcher cavity is connected to silencer；Mounting structure in the technical program facilitates installation, improves tail gas absorption treatment effeciency, and it is still unaffected to guarantee that engine operation generates tail gas catalyzed conversion in vibration processes.
Description
Technical field
The present invention relates to automobile engine after-treatment system fields, and in particular to a kind of integrated granule capturing of catalytic converter
The mounting structure of device.
Background technique
Catalytic converter is the leitungskern part in gasoline engine after-treatment system, as national emission regulation is to motor vehicle emission
It is required that it is gradually plus tight, automobile engine after-treatment system also carries out remodeling upgrading with national emission regulation each stage.Compare vapour
Oil machine is discharged five stage of state, and five gasoline engine of state post-processes scheme and uses single-stage or twin-stage ternary catalyzing unit scheme, can not be by rear
Processing is filtered processing to particulate matter in exhaust gas.Common six engine of state may be because of post-processing catalytic converter design arrangement not
Reasonable and catalytic-converter substrate, the selection of GPF carrier specification are unreasonable, cause engine cold-start emission performance bad, are catalyzed
The problems such as transformation efficiency is low, particle supplementary set low efficiency.
Light-duty passenger-car gasoline engine is since car weight is small, the low general device using integrated form of load carries out at tail gas absorption
Reason, but passenger car installation site is small, engine runs the problems such as generating vibration and low tail gas catalyzed transformation efficiency will shadow
The absorption rung to tail gas is handled.
Therefore, in order to solve the above problem, a kind of catalytic converter is needed to integrate the mounting structure of grain catcher, Neng Goufang
Just it installs, improves tail gas absorption treatment effeciency, and guarantee that engine operation generates tail gas catalyzed in vibration processes convert still not
It is impacted.
Summary of the invention
In view of this, providing the integrated particle of catalytic converter the purpose of the present invention is overcoming defect in the prior art and catching
The mounting structure of storage facilitates installation, improves tail gas absorption treatment effeciency, and guarantees that engine operation generates tail in vibration processes
Gas catalyzed conversion is still unaffected.
Catalytic converter of the invention integrates the mounting structure of grain catcher, the three-element catalytic including being sequentially connected setting
Device cavity, bellows, grain catcher cavity；It is provided on the ternary catalyzing unit cavity for pacifying ternary catalyzing unit cavity
The inlet end of bracket institution on case of transmission, ternary catalyzing unit cavity is connected to enmgine exhaust, and particle is caught
The outlet side of storage cavity is connected to silencer.
Further, the angle that the ternary catalyzing unit cavity and axial direction are formed slopely is greater than bellows and axial direction
The angle being formed slopely.
Further, the bracket institution includes transition bracket and the setting that setting is fixedly connected with ternary catalyzing unit cavity
The cast iron bracket connected on transition bracket with case of transmission installation.
Further, the conical head being connected smoothly is provided between the ternary catalyzing unit cavity and exhaust manifold.
Further, the ring flange being fastenedly connected for the two is provided between the bellows and grain catcher cavity.
Further, oxygen sensor mounting base, the grain catcher chamber are provided between the bellows and ring flange
Pressure sensor mounting base and temperature sensor mounting base are provided on body.
Further, the outlet side of grain catcher cavity is provided with the hanging ring for installing with automobile chassis, the hanging ring
It is made of rubber material.
Further, the ternary catalyzing unit cavity and axial direction angle are 70-75 °, the bellows and axial direction
Angle is 30-40 °.
Further, the carrier of the ternary catalyzing unit inside cavity is honeycomb carrier, and the carrier is apart from exhaust manifold
The distance of gas outlet is 50~150mm, Carrier diameters 118.4mm, 750 mesh of hole density, the carrier of the grain catcher chamber
For wall-flow type carrier, Carrier diameters 132.1mm, 300 mesh of hole density applies the noble metal (Pt/ coated with normal concentration on carrier
Pb/Rh), guarantee that three way catalytic conversion efficiency meets design requirement when engine operates normally, guarantee post-processing particulate matter supplementary set
Efficiency meets six emission request of state, and assists carrying out three-element catalytic effect under high speed conditions in engine.
The beneficial effects of the present invention are: a kind of catalytic converter disclosed by the invention integrates the installation structure of grain catcher
Make, facilitate installation, improve tail gas absorption treatment effeciency, and guarantee engine operation generate in vibration processes tail gas catalyzed conversion according to
It is so unaffected.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is mounting structure schematic diagram of the invention；
Fig. 2 is top view of the invention.
Appended drawing reference
Enmgine exhaust 1；Conical head 2；Heat shield 3；Cast iron bracket 4；Transition bracket 5；Catalyst converter carrier 6；Three
First catalyst converter cavity 7；Bellows 8；Oxygen sensor mounting base 9；Temperature sensor mounting base 10；Grain catcher carrier 11；
Grain catcher cavity 12；Hanging ring 13；Grain catcher cavity outlet side 14；Pressure detector mounting base 15.
Specific embodiment
Fig. 1 is the structural diagram of the present invention, and Fig. 2 is top view of the invention, as shown, including being sequentially connected setting
Ternary catalyzing unit cavity 7, bellows 8, grain catcher cavity 12；It is provided on the ternary catalyzing unit cavity 7 for inciting somebody to action
Ternary catalyzing unit cavity 7 is mounted on the bracket institution on case of transmission, and the inlet end and engine of ternary catalyzing unit cavity 7 are arranged
Gas manifold 1 is connected to, and the outlet side of grain catcher cavity 12 is connected to silencer；Exhaust gas is flowed by enmgine exhaust 1
It is adequately reacted inside ternary catalyzing unit cavity 7, the exhaust gas after reaction smoothly flows into bellows 8 and enters back into granule capturing
Device cavity 12 carries out the collection of solid particle, finally flows into silencer, and setting bellows 8 plays the work of effective connection transition
With catalyst converter arragement construction is compact, and delivery temperature improves rapidly in catalyst converter when being conducive to motive cold start-up, reaches catalysis and turns
Change 350 DEG C~850 DEG C of device operating temperature, guarantees engine cold-start emission performance, caught using the catalyst converter and particle of separate type
Storage structure, arresting efficiency is high, is connect with vehicle using bellows, makes ternary catalyzing unit cavity 7 and grain catcher cavity 12
Entirety can individually be operated not to be influenced by engine luggine, easy for installation, improves tail gas absorption treatment effeciency.
In the present embodiment, the ternary catalyzing unit cavity 7 is greater than bellows 8 and axis with the angle that axial direction is formed slopely
The angle being formed slopely to direction；(axial direction is horizontal direction in Fig. 1) described ternary catalyzing unit cavity 7 and axial direction
Angle is 70-75 °, and the bellows 8 and axial direction angle are 30-40 °, and using this structure mounting arrangements, it is suitable to be conducive to gas
Benefit flows in trap cavity from catalyst converter cavity, and preferred ternary catalyzing unit cavity 7 and axial direction angle are 70 °, ripple
Pipe 8 and axial direction angle are 35 °, and installation avoiding space, room for promotion utilization rate are effectively formed between each structure.
In the present embodiment, the bracket institution include be fixedly connected with ternary catalyzing unit cavity 7 transition bracket 5 of setting with
And the cast iron bracket 4 on transition bracket 5 with case of transmission installation connection is set.Transition bracket 5 is the branch of C font structure
Frame, cast iron bracket 4 are L-type support, and a mounting surface of cast iron bracket 4 is excessively connect by bolt with transition bracket 5, in addition one
It is provided with the mounting hole connecting with case of transmission on mounting surface, and is additionally provided with reinforcing rib structure on this mounting surface, used
It crosses bracket 5 to connect with cast iron bracket 4, guarantees bonding strength and reliability.
In the present embodiment, the taper being connected smoothly is provided between the ternary catalyzing unit cavity 7 and exhaust manifold 1
End cap 2 is smoothly transitted by the connection of conical head 2, and exhaust fluid uniformity is preferable in catalytic converter, makes internal-response more
Sufficiently, exhaust gas conversion efficiencies are promoted, 2 surface of conical head is also arranged with heat shield 3, effectively avoids indirectly with other component
Touching, plays a good protective effect.
In the present embodiment, it is provided between the bellows 8 and grain catcher cavity 12 and is fastenedly connected for the two
Ring flange is connected using ring flange, facilitates part dismounting and replacement.
In the present embodiment, oxygen sensor mounting base 9 is provided between the bellows 8 and ring flange, the particle is caught
Pressure sensor mounting base 15 and temperature sensor mounting base 10 are provided on storage cavity 12, by installing multiple sensors,
Can effective test chamber internal-response situation, be convenient to timely and effectively Measuring error.
In the present embodiment, the outlet side of grain catcher cavity 12 is provided with the hanging ring 13 for installing with automobile chassis,
The hanging ring 13 is made of rubber material, can effectively avoid engine luggine bring using hanging ring 13 made of rubber material
It influences, and then improves tail gas absorption effect.
In the present embodiment, the carrier inside the ternary catalyzing unit cavity 7 is honeycomb carrier, the carrier distance exhaust
The distance of manifold gas outlet is 50~150mm, and honeycomb carrier diameter is 118.4mm, 750 mesh of hole density, the granule capturing
The carrier of device chamber is wall-flow type carrier, and wall-flow type Carrier diameters are 132.1mm, and 300 mesh of hole density applies on carrier dense coated with providing
The noble metal (Pt/Pb/Rh) of degree guarantees that three way catalytic conversion efficiency meets design requirement when engine operates normally, after guarantee
Processing particulate matter supplementary set efficiency meets six emission request of state, and assists carrying out three-element catalytic work under high speed conditions in engine
With.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. the mounting structure that a kind of catalytic converter integrates grain catcher, it is characterised in that: three including being sequentially connected setting
First catalyst converter cavity, bellows, grain catcher cavity；It is provided on the ternary catalyzing unit cavity for by ternary catalyzing unit
Cavity is mounted on the bracket institution on case of transmission, and the inlet end of ternary catalyzing unit cavity is connected to enmgine exhaust,
The outlet side of grain catcher cavity is connected to silencer.
2. the mounting structure that catalytic converter according to claim 1 integrates grain catcher, it is characterised in that: described three
The angle that first catalyst converter cavity and axial direction are formed slopely is greater than the angle that bellows and axial direction are formed slopely.
3. the mounting structure that catalytic converter according to claim 1 integrates grain catcher, it is characterised in that: the branch
Frame mechanism includes being fixedly connected with the transition bracket of setting with ternary catalyzing unit cavity and being arranged on transition bracket and speed changer
The cast iron bracket of shell installation connection.
4. the mounting structure that catalytic converter according to claim 3 integrates grain catcher, it is characterised in that: described three
The conical head being connected smoothly is provided between first catalyst converter cavity and exhaust manifold.
5. the mounting structure that catalytic converter according to claim 4 integrates grain catcher, it is characterised in that: the wave
The ring flange being fastenedly connected for the two is provided between line pipe and grain catcher cavity.
6. the mounting structure that catalytic converter according to claim 5 integrates grain catcher, it is characterised in that: the wave
It is provided with oxygen sensor mounting base between line pipe and ring flange, pressure sensor peace is provided on the grain catcher cavity
Fill seat and temperature sensor mounting base.
7. the mounting structure that catalytic converter according to claim 6 integrates grain catcher, it is characterised in that: particle is caught
The outlet side of storage cavity is provided with the hanging ring for installing with automobile chassis, and the hanging ring is made of rubber material.
8. the mounting structure that catalytic converter according to claim 7 integrates grain catcher, it is characterised in that: described three
First catalyst converter cavity and axial direction angle are 70-75 °, and the bellows and axial direction angle are 30-40 °.
9. the mounting structure that catalytic converter according to claim 8 integrates grain catcher, it is characterised in that: described three
The carrier of first catalyst converter inside cavity be honeycomb carrier, distance of the carrier apart from exhaust manifold gas outlet be 50~
150mm, honeycomb carrier diameter are 118.4mm, and 750 mesh of hole density, the carrier of the grain catcher chamber is wall-flow type carrier,
Wall-flow type Carrier diameters are 132.1mm, 300 mesh of hole density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980220.5U CN209067333U (en) | 2018-11-28 | 2018-11-28 | Catalytic converter integrates the mounting structure of grain catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980220.5U CN209067333U (en) | 2018-11-28 | 2018-11-28 | Catalytic converter integrates the mounting structure of grain catcher |
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| Publication Number | Publication Date |
|---|---|
| CN209067333U true CN209067333U (en) | 2019-07-05 |
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ID=67100751
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| CN201821980220.5U Active CN209067333U (en) | 2018-11-28 | 2018-11-28 | Catalytic converter integrates the mounting structure of grain catcher |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700927A (en) * | 2019-10-18 | 2020-01-17 | 浙江达峰汽车技术有限公司 | Four-effect gasoline engine tail gas catalytic purification system meeting national six-emission standard |
| CN110778382A (en) * | 2019-10-18 | 2020-02-11 | 浙江达峰汽车技术有限公司 | Gasoline engine tail gas catalytic purification system meeting national emission standards of six countries |
| CN113931725A (en) * | 2021-11-13 | 2022-01-14 | 安徽江淮汽车集团股份有限公司 | Engine aftertreatment fixed knot constructs |
-
2018
- 2018-11-28 CN CN201821980220.5U patent/CN209067333U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700927A (en) * | 2019-10-18 | 2020-01-17 | 浙江达峰汽车技术有限公司 | Four-effect gasoline engine tail gas catalytic purification system meeting national six-emission standard |
| CN110778382A (en) * | 2019-10-18 | 2020-02-11 | 浙江达峰汽车技术有限公司 | Gasoline engine tail gas catalytic purification system meeting national emission standards of six countries |
| CN113931725A (en) * | 2021-11-13 | 2022-01-14 | 安徽江淮汽车集团股份有限公司 | Engine aftertreatment fixed knot constructs |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: 404100 mechanical and electrical materials Park, Yanjia Industrial Park, Changshou District, Chongqing Patentee after: Chongqing Xiaokang Power Co.,Ltd. Address before: 400033 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee before: Chongqing Sokon Industry Group Stock Co.,Ltd. |