CN113417730A - Diesel engine tail gas aftertreatment device - Google Patents
Diesel engine tail gas aftertreatment device Download PDFInfo
- Publication number
- CN113417730A CN113417730A CN202110827057.9A CN202110827057A CN113417730A CN 113417730 A CN113417730 A CN 113417730A CN 202110827057 A CN202110827057 A CN 202110827057A CN 113417730 A CN113417730 A CN 113417730A
- Authority
- CN
- China
- Prior art keywords
- pipe
- connecting pipe
- annular
- half ring
- groove
- 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- Withdrawn
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
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- 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
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1827—Sealings specially adapted for exhaust systems
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a post-treatment device for diesel engine tail gas, which relates to the technical field of tail gas treatment and comprises the following components: the tail gas treatment box, set up two connecting pipes at tail gas treatment box both ends and respectively with two connecting pipe sealing connection's intake pipe and outlet duct, can dismantle on the connecting pipe and be provided with clamp assembly, clamp assembly have with car body coupling's connecting rod, wherein, all be equipped with fastening sealing member and sealing washer between intake pipe and the connecting pipe that corresponds and between outlet duct and the connecting pipe that corresponds. According to the invention, the tail gas treatment box body, the gas inlet pipe, the connecting pipes and the gas outlet pipe are arranged, the gas inlet pipe and the gas outlet pipe are connected with the tail gas treatment box body through the connecting pipes, and the sealing rings and the fastening sealing pieces are arranged between the gas inlet pipe and the corresponding connecting pipe and between the gas outlet pipe and the corresponding connecting pipe, so that the connection is more stable, and the sealing effect is better; through set up the clamp subassembly on the connecting pipe and be connected this application and automobile body, easy dismounting, easy operation, the reliability is high.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a post-treatment device for tail gas of a diesel engine.
Background
Automobile exhaust pollutes and threatens people's healthy, need carry out purification treatment earlier before exhaust emissions, install tail gas processing apparatus on automobile exhaust pipe usually and purify automobile exhaust, current tail gas purification processing apparatus is direct fixed with the intake pipe generally, and be unsettled state, be not convenient for install, dismantle and the maintenance in later stage, and poor stability, long-time use down, tail gas purification apparatus probably can not bear self gravity and produce and sink, and then make the intake pipe crooked, tail gas purification apparatus still can produce and rock during the automobile motion, can accelerate the intake pipe to damage, appear revealing easily, influence purifying effect, and shortened life, the practicality is poor.
Therefore, an aftertreatment device for diesel engine exhaust, which is convenient to mount and dismount and has good sealing performance, is urgently needed.
Disclosure of Invention
In view of the above, the present invention provides an exhaust gas after-treatment device for a diesel engine to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
an aftertreatment device for diesel engine exhaust gases comprising: tail gas treatment box, setting are in two connecting pipes at tail gas treatment box both ends and respectively with two connecting pipe sealing connection's intake pipe and outlet duct, can dismantle on the connecting pipe and be provided with clamp assembly, clamp assembly has the connecting rod with car body connection, wherein, the intake pipe with correspond between the connecting pipe and outlet duct with correspond all be equipped with fastening sealing member and sealing washer between the connecting pipe.
Furthermore, a first annular groove is formed in the outer peripheral surface of the fastening sealing element, a second annular groove is formed in the connecting pipe, and an outer locking ring is connected between the first annular groove and the corresponding second annular groove in a supporting and holding mode.
Further, the sealing washer is including connecting as an organic whole and being formed with notched annular inner seal lip and annular outer seal lip, annular outer seal lip with the inner wall of connecting pipe is inconsistent, annular inner seal lip with the intake pipe or the lateral surface of outlet duct is inconsistent.
Furthermore, the hoop component comprises a first half ring and a second half ring, the connecting rod is fixedly connected with the outer arc surface of the first half ring, one end of the first half ring is in pin joint with one end of the second half ring, the other end of the second half ring is provided with a hollow groove extending along the circumferential direction of the second half ring, a clamping arc plate is arranged in the hollow groove in a sliding mode, a first compression spring is arranged between the clamping arc plate and the hollow groove, and the first compression spring is used for driving the clamping arc plate to move outwards and be located in plug-in connection with a clamping groove in the first half ring.
Furthermore, a sliding groove is formed in the second half ring, and a shifting lever fixedly connected to the clamping arc plate penetrates through the sliding groove to extend outwards.
Furthermore, a plurality of second compression springs distributed in an annular shape are arranged in the notch, and two ends of each second compression spring are respectively abutted to corresponding first installation grooves in the annular inner sealing lip and corresponding second installation grooves in the annular outer sealing lip.
Furthermore, a first annular groove and a second annular groove are arranged on the inner side face of the fastening sealing piece at intervals.
Still further, the first annular groove and the second annular groove each have a guide slope.
The technical scheme can show that the invention has the advantages that: according to the invention, the tail gas treatment box body, the gas inlet pipe, the connecting pipes and the gas outlet pipe are arranged, the gas inlet pipe and the gas outlet pipe are connected with the tail gas treatment box body through the connecting pipes, and the sealing rings and the fastening sealing pieces are arranged between the gas inlet pipe and the corresponding connecting pipe and between the gas outlet pipe and the corresponding connecting pipe, so that the connection is more stable, and the sealing effect is better; through set up the clamp subassembly on the connecting pipe and be connected this application and automobile body, easy dismounting, easy operation, the reliability is high.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation structure of the connecting pipe according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
fig. 5 is a schematic cross-sectional structure of the present invention.
List of reference numerals: the tail gas treatment box body 1, the connecting pipe 11, the intake pipe 2, the outlet duct 3, the clamp subassembly 4, first semi-ring 41, draw-in groove 411, second semi-ring 42, dead slot 421, spout 43, joint arc board 44, first compression spring 45, connecting rod 46, driving lever 47, fastening sealing member 5, first annular groove 51, second annular groove 52, sealing washer 6, annular inner seal lip 61, first mounting groove 611, annular outer seal lip 62, second mounting groove 621, second compression spring 63, outer lock ring 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides an exhaust gas aftertreatment device for a diesel engine, comprising: the tail gas treatment box body 1, set up two connecting pipes 11 at the both ends of the tail gas treatment box body 1 and respectively with two connecting pipe 11 sealing connection's intake pipe 2 and outlet duct 3, can dismantle on the connecting pipe 11 and be provided with clamp subassembly 4, clamp subassembly 4 has the connecting rod 46 with car connection, wherein, be equipped with fastening sealing member 5 and sealing washer 6 between intake pipe 2 and the corresponding connecting pipe 11 and between outlet duct 3 and the corresponding connecting pipe 11, seal intake pipe 2 and the connecting pipe 11 of being connected with intake pipe 2 through sealing washer 6, seal outlet duct 3 and the connecting pipe 11 of being connected with outlet duct 3 through sealing washer 6, improve the stability of being connected between connecting pipe 11 and intake pipe 2 or outlet duct 3 through fastening sealing member 5, improved the convenience of installation, when avoiding the car to jolt simultaneously, the fracture of intake pipe 2 to guarantee exhaust gas purification device's safety, thereby guarantee automobile exhaust's purifying effect.
As shown in fig. 2, a first annular groove is formed in the outer peripheral surface of the fastening sealing member 5, a second annular groove is formed in the connecting pipe 11, the first annular groove and the corresponding second annular groove are connected with an outer locking ring 7 in a supporting manner, and the fastening sealing member 5 can be in close contact with the air inlet pipe 2 or the air outlet pipe 3 through the supporting force of the outer locking ring 7, so that the connection stability of the air inlet pipe 2 and the air outlet pipe 3 is improved.
As shown in fig. 3, in order to increase the buffering effect of the fastening seal 5 and improve the sealing performance, a first annular groove 51 and a second annular groove 52 are spaced on the inner side surface of the fastening seal 5, so that the fastening seal 5 can be more fully attached to the contact surfaces of the air inlet pipe 2, the air outlet pipe 3 and the outer locking ring 7; a second annular groove 52 may be provided at the inner end of the securing seal 5, which facilitates the deformation of the end to facilitate the mounting of the securing seal 5.
In order to facilitate the installation of the outer locking ring 7 in the installation groove formed by the first annular groove and the corresponding second annular groove, the first annular groove and the second annular groove are both provided with guide inclined planes, so that the installation is more convenient.
As shown in fig. 4, the sealing ring 6 includes an annular inner sealing lip 61 and an annular outer sealing lip 62 which are connected as a whole and formed with a notch, the annular outer sealing lip 62 is abutted against the inner wall of the connecting pipe 11, and the annular inner sealing lip 61 is abutted against the outer side surface of the air inlet pipe 2 or the air outlet pipe 3 to realize sealing.
In order to improve the sealing effect, a plurality of second compression springs 63 distributed annularly are arranged in the gap, and two ends of each second compression spring 63 respectively abut against the corresponding first installation groove 611 on the annular inner sealing lip 61 and the corresponding second installation groove 621 on the annular outer sealing lip 62.
As shown in fig. 5, the hoop assembly 4 includes a first half ring 41 and a second half ring 42, the connecting rod 46 is fixedly connected to an outer arc surface of the first half ring 41, one end of the first half ring 41 is pivotally connected to one end of the second half ring 42, the other end of the second half ring 42 is provided with a hollow groove 421 extending along a circumferential direction of the second half ring 42, a clamping arc plate 44 is slidably disposed in the hollow groove 421, a first compression spring 45 is disposed between the clamping arc plate 44 and the hollow groove 421, and the first compression spring 45 is used for driving the clamping arc plate 44 to move outwards and be connected with a clamping groove 411 on the first half ring 41 in an inserting manner.
For the convenience of operation, a sliding slot 43 is formed on the second half ring 42, and a driving lever 47 fixedly connected to the clamping arc plate 44 extends outwards through the sliding slot 43.
When this diesel engine tail gas's aftertreatment device is installed or is dismantled to needs, through stirring driving lever 47, drive joint arc board 44 removes, makes joint arc board 44 insert in the draw-in groove 411 of first semi-ring 41 or make joint arc board 44 deviate from draw-in groove 411, realizes the connection and the dismantlement of first semi-ring 41 and second semi-ring 42, and then realizes the installation and the dismouting to this application main part, convenient operation, labour saving and time saving.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An aftertreatment device for diesel engine exhaust gases, comprising: tail gas treatment box (1), setting are in two connecting pipes (11) at tail gas treatment box (1) both ends and respectively with two connecting pipe (11) sealing connection's intake pipe (2) and outlet duct (3), can dismantle on connecting pipe (11) and be provided with clamp subassembly (4), clamp subassembly (4) have with car connection's connecting rod (46), wherein, intake pipe (2) and corresponding between connecting pipe (11) and outlet duct (3) and corresponding all be equipped with fastening sealing member (5) and sealing washer (6) between connecting pipe (11).
2. The aftertreatment device of the diesel engine exhaust according to claim 1, wherein a first annular groove is formed in the outer circumferential surface of the fastening seal (5), a second annular groove is formed in the connecting pipe (11), and an outer locking ring (7) is connected between the first annular groove and the corresponding second annular groove in a propping and holding manner.
3. The aftertreatment device for exhaust gas of a diesel engine according to claim 1, wherein the sealing ring (6) comprises an annular inner sealing lip (61) and an annular outer sealing lip (62) which are integrally connected and formed with a gap, the annular outer sealing lip (62) is abutted against the inner wall of the connecting pipe (11), and the annular inner sealing lip (61) is abutted against the outer side surface of the intake pipe (2) or the outlet pipe (3).
4. The diesel engine exhaust aftertreatment device of claim 1, the hoop component (4) comprises a first half ring (41) and a second half ring (42), the connecting rod (46) is fixedly connected with the outer cambered surface of the first half ring (41), one end of the first half ring (41) is pivotally connected with one end of the second half ring (42), the other end of the second half ring (42) is provided with a hollow groove (421) extending along the circumferential direction of the second half ring (42), a clamping arc plate (44) is arranged in the hollow groove (421) in a sliding manner, a first compression spring (45) is arranged between the clamping arc plate (44) and the hollow groove (421), the first compression spring (45) is used for driving the clamping arc plate (44) to move outwards to be connected with a clamping groove (411) on the first half ring (41) in an inserting mode.
5. The exhaust gas aftertreatment device according to claim 4, wherein the second half ring (42) is formed with a sliding groove (43), and a shift lever (47) fixedly connected to the snap-fit arc plate (44) extends outward through the sliding groove (43).
6. The aftertreatment device of the exhaust gas of the diesel engine according to claim 3, wherein a plurality of second compression springs (63) are annularly distributed in the gap, and two ends of the second compression springs (63) respectively abut against the corresponding first installation grooves (611) on the annular inner sealing lip (61) and the corresponding second installation grooves (621) on the annular outer sealing lip (62).
7. An exhaust aftertreatment device according to claim 2, wherein the fastening seal (5) is provided with a first annular groove (51) and a second annular groove (52) spaced apart on its inner side.
8. The diesel engine exhaust aftertreatment device of claim 2, wherein the first annular groove and the second annular groove each have a guide ramp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827057.9A CN113417730A (en) | 2021-07-21 | 2021-07-21 | Diesel engine tail gas aftertreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827057.9A CN113417730A (en) | 2021-07-21 | 2021-07-21 | Diesel engine tail gas aftertreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113417730A true CN113417730A (en) | 2021-09-21 |
Family
ID=77718039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110827057.9A Withdrawn CN113417730A (en) | 2021-07-21 | 2021-07-21 | Diesel engine tail gas aftertreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113417730A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002309950A (en) * | 2002-04-01 | 2002-10-23 | Yanmar Diesel Engine Co Ltd | Exhaust system structure of internal combustion engine |
| CN203905883U (en) * | 2014-04-21 | 2014-10-29 | 中国石油大学(华东) | Metal sealing device used for underwater well head |
| CN205908918U (en) * | 2016-08-15 | 2017-01-25 | 李保峰 | Self compensating sealing connection pipe connects |
| CN207093148U (en) * | 2017-08-25 | 2018-03-13 | 中国长江动力集团有限公司 | Inlet sleeve sealing device and turbine high-pressure sealing system |
| CN207237136U (en) * | 2017-09-21 | 2018-04-17 | 南京城镇建筑设计咨询有限公司 | The pipe connecting structure of basement fire hydrant box |
| CN207813722U (en) * | 2017-12-21 | 2018-09-04 | 北汽福田汽车股份有限公司 | Exhaust pipe mounting bracket, exhaust pipe mounting assembly and vehicle |
| CN209823349U (en) * | 2019-05-23 | 2019-12-20 | 深圳市精艺安达五金制品有限公司 | Rotary snap ring |
| CN110906071A (en) * | 2019-11-07 | 2020-03-24 | 珠海格力电器股份有限公司 | Connecting pipe assembly and air conditioner |
| CN212251560U (en) * | 2020-05-07 | 2020-12-29 | 常州新睿思能源设备有限公司 | Equal-diameter butt joint clamping and pressing pipe fitting |
| CN112377138A (en) * | 2020-11-12 | 2021-02-19 | 中国石油大学(华东) | Sealing assembly for underwater wellhead |
| CN214839061U (en) * | 2020-12-25 | 2021-11-23 | 诸暨锦枫管业有限公司 | Pipeline connecting assembly with high resistance |
-
2021
- 2021-07-21 CN CN202110827057.9A patent/CN113417730A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002309950A (en) * | 2002-04-01 | 2002-10-23 | Yanmar Diesel Engine Co Ltd | Exhaust system structure of internal combustion engine |
| CN203905883U (en) * | 2014-04-21 | 2014-10-29 | 中国石油大学(华东) | Metal sealing device used for underwater well head |
| CN205908918U (en) * | 2016-08-15 | 2017-01-25 | 李保峰 | Self compensating sealing connection pipe connects |
| CN207093148U (en) * | 2017-08-25 | 2018-03-13 | 中国长江动力集团有限公司 | Inlet sleeve sealing device and turbine high-pressure sealing system |
| CN207237136U (en) * | 2017-09-21 | 2018-04-17 | 南京城镇建筑设计咨询有限公司 | The pipe connecting structure of basement fire hydrant box |
| CN207813722U (en) * | 2017-12-21 | 2018-09-04 | 北汽福田汽车股份有限公司 | Exhaust pipe mounting bracket, exhaust pipe mounting assembly and vehicle |
| CN209823349U (en) * | 2019-05-23 | 2019-12-20 | 深圳市精艺安达五金制品有限公司 | Rotary snap ring |
| CN110906071A (en) * | 2019-11-07 | 2020-03-24 | 珠海格力电器股份有限公司 | Connecting pipe assembly and air conditioner |
| CN212251560U (en) * | 2020-05-07 | 2020-12-29 | 常州新睿思能源设备有限公司 | Equal-diameter butt joint clamping and pressing pipe fitting |
| CN112377138A (en) * | 2020-11-12 | 2021-02-19 | 中国石油大学(华东) | Sealing assembly for underwater wellhead |
| CN214839061U (en) * | 2020-12-25 | 2021-11-23 | 诸暨锦枫管业有限公司 | Pipeline connecting assembly with high resistance |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210921 |
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| WW01 | Invention patent application withdrawn after publication |