CN109026304A - A kind of internal combustion engine filtering exhaust structure - Google Patents
A kind of internal combustion engine filtering exhaust structure Download PDFInfo
- Publication number
- CN109026304A CN109026304A CN201810939541.9A CN201810939541A CN109026304A CN 109026304 A CN109026304 A CN 109026304A CN 201810939541 A CN201810939541 A CN 201810939541A CN 109026304 A CN109026304 A CN 109026304A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet end
- outlet end
- combustion engine
- internal combustion
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/10—Carbon or carbon oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/12—Hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of internal combustion engine filtering exhaust structures, including air inlet end and outlet end, the air inlet end and outlet end are internally provided with cavity structure, the outer end of the air inlet end and outlet end is respectively arranged with ring flange, the inner end of the air inlet end and outlet end is respectively arranged with internal screw thread, the outside of the air inlet end and outlet end is cased with first sleeve and the second casing respectively, three way catalytic converter is threaded between the air inlet end and outlet end, the three way catalytic converter includes converter shell, the both ends of the converter shell are provided with the external screw thread being threadedly coupled with internal screw thread, invention design is reasonable, structure is simple, by the way of assembling, by air inlet end, outlet end and three way catalytic converter are fixed, improve the efficiency of filtering exhaust structure assembling, facilitate and is torn open Maintenance is unloaded, sound insulation and filter effect are good.
Description
Technical field
The present invention relates to internal combustion engine filtering exhaust technical field of structures, specially a kind of internal combustion engine filtering exhaust structure.
Background technique
Environmental pollution and energy shortage are the two large problems that current mankind social sustainable development faces, and motor vehicle is big
The big pollutant sources in compression ring border fastest-rising one and energy consumption carrier.Very greatly and to atmospheric environment and Human health effects
It is CO, HC, NOx and PM(Particular Matter by the vehicular pollutant that various countries' emission regulation limits).Wherein gasoline engine
Discharge pollutants mainly CO, HC, NOx, discharge pollutants mainly PM, NOx and HC of diesel engine.Existing internal combustion engine
Exhaust gas filter structure and exhaust pipe are whole, it has not been convenient to be overhauled.
Therefore, it is necessary to solve the above problems to invent a kind of internal combustion engine filtering exhaust structure.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of internal combustion engine filtering exhaust structure
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of internal combustion engine filtering exhaust structure, including air inlet
End and outlet end, the air inlet end and outlet end are internally provided with cavity structure, the air inlet end and outlet
The outer end of end is respectively arranged with ring flange, and the inner end of the air inlet end and outlet end is respectively arranged with internal screw thread, described
The outside of air inlet end and outlet end is cased with first sleeve and the second casing respectively, between the air inlet end and outlet end
It is threaded with three way catalytic converter, the three way catalytic converter includes converter shell, and the two of the converter shell
End is provided with the external screw thread being threadedly coupled with internal screw thread, the outer surface of the converter shell be uniformly distributed it is fluted, it is described into
Gas end and outlet end, which are located on the outside of one end of converter shell, is cased with yielding rubber pad, and the inside of the converter shell is set
It is equipped with interlayer.
Preferably, it is provided with limited block on the air inlet end and outlet end, the first sleeve and the second casing
Inside is provided with limiting slot, is mutually matched grafting between the limited block and limiting slot.
Preferably, the yielding rubber pad is between converter shell and first sleeve and the second casing.
Preferably, it is arranged in parallel between the direction and converter shell of the groove setting, the shape of the groove is U
Shape.
Preferably, thermal insulation layer is filled in the interlayer.
Preferably, circular hole is evenly distributed on the outer surface of the first sleeve and the second casing.
Compared with prior art, beneficial effects of the present invention are as follows: the internal combustion engine filtering exhaust structure, pass through the of setting
First sleeve and the second casing are respectively fitted over the outside of air inlet end and outlet end, make to limit by sleeve and the second casing
It is mutually matched grafting between block and limiting slot, three way catalytic converter is then threaded in air inlet end and outlet end
On, to realize the assembling of filtering exhaust structure, it is filled with catalyst in three way catalytic converter, the catalysis in triple-effect catalytic unit
Agent will enhance the activity of tri- kinds of CO, hydrocarbon and NOx gas, promote it to carry out oxidationreduction chemical reaction, wherein CO exists
Colourless, nontoxic carbon dioxide gas is oxidized under high temperature, hydrocarbon is oxidized to water and carbon dioxide at high temperature,
NOx is reduced into nitrogen and oxygen, to reach the efficiency of filtering, rationally, structure is simple, using the side of assembling for invention design
Formula fixes air inlet end, outlet end and three way catalytic converter, improves the efficiency of filtering exhaust structure assembling, it is convenient into
Row disassembly maintenance, sound insulation and filter effect are good.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is three way catalytic converter structural schematic diagram of the invention；
Fig. 3 is sandwich schematic diagram of the invention；
Fig. 4 is end structure schematic diagram of the invention；
Fig. 5 is cannula structure schematic diagram of the invention.
In figure: 1 air inlet end, 2 outlet ends, 3 first sleeves, 4 second casings, 5 internal screw threads, 6 three way catalytic converters,
7 converter shells, 8 external screw threads, 9 interlayers, 10 grooves, 11 yielding rubber pads, 12 ring flanges, 13 limited blocks, 14 limiting slots, 15 circles
Hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of internal combustion engine filtering exhaust structure, including air inlet end 1 and outlet end 2, the air inlet
End 1 and outlet end 2 are internally provided with cavity structure, and the setting of unprecedented structure facilitates carry out air guide, the air inlet end
1 and the outer end of outlet end 2 be respectively arranged with ring flange 12, the setting of ring flange 12 is conveniently fixed in exhaust pipe, described
The inner end of air inlet end 1 and outlet end 2 is respectively arranged with internal screw thread 5, the outside point of the air inlet end 1 and outlet end 2
It is not cased with first sleeve 3 and the second casing 4, three-effect catalysis conversion is threaded between the air inlet end 1 and outlet end 2
Device 6, by the three way catalytic converter 6 of setting, the catalyst in triple-effect catalytic unit will enhance CO, hydrocarbon and NOx tri-
The activity of kind gas, promotes its to carry out oxidationreduction chemical reaction, wherein CO is oxidized into colourless, nontoxic two at high temperature
Carbon oxide gas, hydrocarbon are oxidized to water and carbon dioxide at high temperature, and NOx is reduced into nitrogen and oxygen, the triple effect
Catalyst 6 includes converter shell 7, and the both ends of the converter shell 7 are provided with the outer spiral shell being threadedly coupled with internal screw thread 5
Line 8 facilitates and connects converter shell 7 between air inlet end 1 and outlet end 2, and the outer surface of the converter shell 7 is equal
Even distribution fluted 10, the air inlet end 1 and outlet end 2, which are located on the outside of one end of converter shell 7, is cased with yielding rubber
Pad 11, the converter shell 7 are internally provided with interlayer 9.
Specifically, be provided with limited block 13 on the air inlet end 1 and outlet end 2, the first sleeve 3 and second set
The inside of pipe 4 is provided with limiting slot 14, is mutually matched grafting between the limited block 13 and limiting slot 14, facilitates first sleeve
3 and second casing 4 be separately fixed on air inlet end 1 and outlet end 2, first sleeve 3 and the second casing 4 are ceramic material,
With good soundproof effect.
Specifically, the yielding rubber pad 11 is located between converter shell 7 and first sleeve 3 and the second casing 4, reduce
The transmitting of vibration.
Specifically, being arranged in parallel between the direction that the groove 10 is arranged and converter shell 7, the shape of the groove 10
For U-shaped.
Specifically, being filled with thermal insulation layer in the interlayer 9, the setting of thermal insulation layer is reduced inside three way catalytic converter 6
Heat is shed by converter shell 7.
Specifically, being evenly distributed with circular hole 15, the setting of circular hole 15 on the outer surface of the first sleeve 3 and the second casing 4
With good erasure effect.
Working principle: the internal combustion engine filtering exhaust structure, in use, by first sleeve 3 and the second casing 4 be respectively fitted over into
The outside of gas end 1 and outlet end 2 makes to be mutually matched grafting between limited block 13 and limiting slot 14, then by three-effect catalysis
Converter 6 is threaded on air inlet end 1 and outlet end 2, so that the assembling of filtering exhaust structure is realized, in three-effect catalysis
Converter 6 is filled with catalyst, and the catalyst in triple-effect catalytic unit will enhance the work of tri- kinds of CO, hydrocarbon and NOx gas
Property, promote it to carry out oxidationreduction chemical reaction, wherein CO is oxidized into colourless, nontoxic carbon dioxide gas at high temperature,
Hydrocarbon is oxidized to water and carbon dioxide at high temperature, and NOx is reduced into nitrogen and oxygen, thus reach the efficiency of filtering,
Rationally, structure is simple, by the way of assembling, by air inlet end 1, outlet end 2 and three way catalytic converter 6 for invention design
It is fixed, the efficiency of filtering exhaust structure assembling is improved, facilitates and carries out disassembly maintenance, sound insulation and filter effect are good.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of internal combustion engine filtering exhaust structure, including air inlet end (1) and outlet end (2), it is characterised in that: the air inlet
End (1) and outlet end (2) are internally provided with cavity structure, the outer end point of the air inlet end (1) and outlet end (2)
It is not provided with ring flange (12), the inner end of the air inlet end (1) and outlet end (2) is respectively arranged with internal screw thread (5), described
The outside of air inlet end (1) and outlet end (2) is cased with first sleeve (3) and the second casing (4), the air inlet end respectively
(1) it is threaded between outlet end (2) three way catalytic converter (6), the three way catalytic converter (6) includes conversion
Device shell (7), the both ends of the converter shell (7) are provided with the external screw thread (8) being threadedly coupled with internal screw thread (5), and described turn
The outer surface of parallel operation shell (7) is uniformly distributed fluted (10), and the air inlet end (1) and outlet end (2) are located at converter
It is cased with yielding rubber pad (11) on the outside of one end of shell (7), the converter shell (7) is internally provided with interlayer (9).
2. a kind of internal combustion engine filtering exhaust structure according to claim 1, it is characterised in that: the air inlet end (1) and
It is provided on outlet end (2) limited block (13), is provided with limiting slot on the inside of the first sleeve (3) and the second casing (4)
(14), grafting is mutually matched between the limited block (13) and limiting slot (14).
3. a kind of internal combustion engine filtering exhaust structure according to claim 1, it is characterised in that: the yielding rubber pad (11)
Between converter shell (7) and first sleeve (3) and the second casing (4).
4. a kind of internal combustion engine filtering exhaust structure according to claim 1, it is characterised in that: groove (10) setting
It is arranged in parallel between direction and converter shell (7), the shape of the groove (10) is U-shaped.
5. a kind of internal combustion engine filtering exhaust structure according to claim 1, it is characterised in that: filling in the interlayer (9)
There is thermal insulation layer.
6. a kind of internal combustion engine filtering exhaust structure according to claim 1, it is characterised in that: the first sleeve (3) and
Circular hole (15) are evenly distributed on the outer surface of second casing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939541.9A CN109026304A (en) | 2018-08-17 | 2018-08-17 | A kind of internal combustion engine filtering exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939541.9A CN109026304A (en) | 2018-08-17 | 2018-08-17 | A kind of internal combustion engine filtering exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026304A true CN109026304A (en) | 2018-12-18 |
Family
ID=64630846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810939541.9A Pending CN109026304A (en) | 2018-08-17 | 2018-08-17 | A kind of internal combustion engine filtering exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569646A (en) * | 2020-05-13 | 2020-08-25 | 江苏泽龙环保科技有限公司 | Integral type tail gas treatment equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3911244A1 (en) * | 1989-04-07 | 1990-10-11 | Michael Mertins | Method and apparatus for the assembly of hollow bodies |
| CN105888780A (en) * | 2016-04-13 | 2016-08-24 | 合肥九源环境科技有限公司 | Tail gas purifying device |
| CN106150647A (en) * | 2016-08-31 | 2016-11-23 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe vibration absorber |
| CN206386171U (en) * | 2016-10-28 | 2017-08-08 | 河南福流环保科技有限公司 | A kind of automobile exhaust gas purifying installation |
| CN107476867A (en) * | 2016-08-22 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Blast pipe and vehicle |
| CN107605586A (en) * | 2017-09-05 | 2018-01-19 | 重庆光盈科技有限公司 | A kind of multi-functional motorcycle exhaust filter plant |
| CN207437169U (en) * | 2017-11-15 | 2018-06-01 | 上海浦东兴旺汽车配件有限公司 | A kind of efficient ternary catalyzing unit |
| CN207538903U (en) * | 2017-11-09 | 2018-06-26 | 重庆利和汽车零部件有限公司 | A kind of ternary catalytic converter assembly being easily installed |
-
2018
- 2018-08-17 CN CN201810939541.9A patent/CN109026304A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3911244A1 (en) * | 1989-04-07 | 1990-10-11 | Michael Mertins | Method and apparatus for the assembly of hollow bodies |
| CN105888780A (en) * | 2016-04-13 | 2016-08-24 | 合肥九源环境科技有限公司 | Tail gas purifying device |
| CN107476867A (en) * | 2016-08-22 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Blast pipe and vehicle |
| CN106150647A (en) * | 2016-08-31 | 2016-11-23 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe vibration absorber |
| CN206386171U (en) * | 2016-10-28 | 2017-08-08 | 河南福流环保科技有限公司 | A kind of automobile exhaust gas purifying installation |
| CN107605586A (en) * | 2017-09-05 | 2018-01-19 | 重庆光盈科技有限公司 | A kind of multi-functional motorcycle exhaust filter plant |
| CN207538903U (en) * | 2017-11-09 | 2018-06-26 | 重庆利和汽车零部件有限公司 | A kind of ternary catalytic converter assembly being easily installed |
| CN207437169U (en) * | 2017-11-15 | 2018-06-01 | 上海浦东兴旺汽车配件有限公司 | A kind of efficient ternary catalyzing unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569646A (en) * | 2020-05-13 | 2020-08-25 | 江苏泽龙环保科技有限公司 | Integral type tail gas treatment equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181218 |