CN110566331A - supporting cylinder for particle catcher and assembling method thereof - Google Patents
supporting cylinder for particle catcher and assembling method thereof Download PDFInfo
- Publication number
- CN110566331A CN110566331A CN201910987196.0A CN201910987196A CN110566331A CN 110566331 A CN110566331 A CN 110566331A CN 201910987196 A CN201910987196 A CN 201910987196A CN 110566331 A CN110566331 A CN 110566331A
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- China
- Prior art keywords
- cylinder body
- flange
- straight
- straight cylinder
- barrel
- Prior art date
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- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 19
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a supporting cylinder for a particle catcher and an assembling method thereof, the supporting cylinder for the particle catcher comprises a first cylinder body, a second cylinder body and a connecting flange, wherein a first flanging is arranged at the front end of the first cylinder body along the circumferential direction, a first straight cylinder body is arranged at the inner side of the first flanging, a second flanging is arranged at the tail end of the second cylinder body along the circumferential direction, a second straight cylinder body is arranged at the inner side of the second flanging, the connecting flange comprises a flange straight cylinder body and a second annular bulge arranged at the middle part of the flange straight cylinder body, the flange straight cylinder body is divided into a flange left straight cylinder body and a flange right straight cylinder body by the second annular bulge, the outer diameter of the flange left straight cylinder body is not less than the inner diameter of the first straight cylinder body, the outer diameter of the flange right straight cylinder body is not less than the inner diameter of the second straight cylinder body, the flange left straight cylinder body is inserted into the, the second flanging is abutted against two sides of the second annular bulge.
Description
Technical Field
the invention relates to the technical field of auxiliary equipment of a diesel engine particle catcher, in particular to a supporting cylinder for the particle catcher and an assembling method thereof.
Background
An exhaust gas treatment system for a diesel engine, in particular a diesel motor vehicle, comprises an SCR system, a DOC system and a DPF system. SCR systems are used to treat nitrogen oxides. DOC systems are used to treat carbon monoxide and organics. DPF systems are used for treating soot particles, and SCR systems and DOC systems generally adopt straight-flow type carrier coated catalysts, so that the possibility of blockage is low. The DPF system generally employs a wall-flow Filter, DPF, i.e., a Diesel Particulate Filter refers to a device installed in an exhaust system of a Diesel vehicle for reducing Particulate Matter (PM) in exhaust gas by filtering, which is referred to as DPF for short; the DPF can effectively purify 70% -90% of particles in exhaust, comprises a catalyst type wall flow filter coated with a catalyst and a non-catalyst type wall flow filter without the catalyst, is one of the most effective and direct methods for purifying the particles of the diesel engine, is generally of a cylindrical structure, and needs to be designed with a proper supporting mechanism for being better installed in an exhaust pipe; in the prior art, chinese patent document No. CN206144631U entitled detachable DPF gas sealing device describes a structure for sealing by using an anchor ear, a support ring and a T-shaped gasket, and the device has a complicated structure and is not easy to assemble.
Disclosure of Invention
The invention aims to provide a supporting cylinder for a particle catcher, which has a simple structure and is easy to assemble, and an assembling method thereof.
In order to solve the technical problems, the support cylinder for the particle catcher comprises a first cylinder body, a second cylinder body and a connecting flange, wherein a first outward flange is arranged at the front end of the first cylinder body along the circumferential direction, a first straight cylinder body is arranged at the inner side of the first outward flange, a second outward flange is arranged at the tail end of the second cylinder body along the circumferential direction, a second straight cylinder body is arranged at the inner side of the second outward flange, the connecting flange comprises a flange straight cylinder body and a second annular bulge arranged at the middle part of the flange straight cylinder body, the flange straight cylinder body is divided into a flange left straight cylinder body and a flange right straight cylinder body by the second annular bulge, the outer diameter of the flange left straight cylinder body is not smaller than the inner diameter of the first straight cylinder body, the outer diameter of the flange right straight cylinder body is not smaller than the inner diameter of the second straight cylinder body, the flange left straight cylinder body is inserted into the first straight cylinder body during assembly, the first outward turning edge and the second outward turning edge are abutted against two sides of the second annular bulge.
Further, outwards the protrusion sets up first annular arch along circumference on the first straight barrel, the bellied inner wall of first annular sets up the first annular that is used for placing the sealing washer, the straight barrel in the left side of flange inserts when in the first straight barrel, the sealing washer in the first annular is arranged in between the straight barrel in the left side of flange and the first straight barrel.
Further, it is protruding to set up the third annular along the outside protrusion of circumference on the straight barrel of second, the bellied inner wall of third annular sets up the third annular that is used for placing the sealing washer, the straight barrel of flange right side inserts when in the straight barrel of second, the sealing washer in the third annular is arranged in between the straight barrel of flange right side and the straight barrel of second.
Further, a second annular groove is formed in the inner wall of the second annular bulge, so that the weight of the connecting flange is reduced.
furthermore, first flanging, the slope of second flanging sets up, second annular arch includes preceding slope lateral wall and back slope lateral wall, the inclination of preceding slope lateral wall with the inclination of first flanging is for complementing the angle, the inclination of back slope lateral wall with the inclination of second flanging is for complementing the angle, so that when flange and first barrel, second barrel are pegged graft to cooperate, first flanging hugs closely preceding slope lateral wall, and the second flanging is hugged closely the back slope lateral wall.
Further, arc-shaped transition parts are arranged between the front inclined side wall and the left straight cylinder body of the flange and between the rear inclined side wall and the right straight cylinder body of the flange.
The method for assembling the supporting cylinder for the particle catcher comprises the following steps: during assembly, the left straight barrel of the flange is inserted into the first straight barrel and is in interference fit with the first straight barrel, the right barrel of the flange is inserted into the second straight barrel and is in interference fit with the second straight barrel, when the left straight barrel of the flange is inserted into the first straight barrel, the sealing ring in the first annular groove is arranged between the left straight barrel of the flange and the first straight barrel, when the right straight barrel of the flange is inserted into the second straight barrel, the sealing ring in the third annular groove is arranged between the right straight barrel of the flange and the second straight barrel, the first flanging is tightly attached to the front inclined side wall, and the second flanging is tightly attached to.
The invention has the technical effects that: (1) compared with the prior art, the supporting cylinder for the particle catcher is characterized in that the first cylinder body and the second cylinder body are connected through the connecting flange, and the connecting flange is in splicing fit with the first cylinder body and the second cylinder body, so that the supporting cylinder is simple in structure and easy to assemble; (2) sealing rings are arranged in the first ring groove and the third ring groove to seal the first cylinder body and the connecting flange as well as the second cylinder body and the connecting flange; (3) the inclination angle of the front inclined side wall is the same as that of the first flanging, and the inclination angle of the rear inclined side wall is the same as that of the second flanging, so that the two-two fitting is more compact.
Drawings
The invention is described in further detail below with reference to the drawings of the specification:
FIG. 1 is a schematic plan view of a support cartridge for a particle trap according to the present invention;
FIG. 2 is a schematic perspective view of a first barrel of the present invention;
FIG. 3 is a schematic cross-sectional view of a first cylinder according to the present invention;
FIG. 4 is an enlarged partial schematic view of area A of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a connecting flange of the present invention;
Fig. 6 is a partially enlarged schematic view of the attachment flange of the present invention.
In the figure: the device comprises a first cylinder 1, a first flanging 11, a first annular bulge 12, a first annular groove 13, a first straight cylinder 14, a connecting flange 2, a second annular bulge 21, a flange left straight cylinder 22, a flange right straight cylinder 23, a second annular groove 24, a rear inclined side wall 25, a front inclined side wall 26, an arc-shaped transition part 27, a second cylinder 3, a third annular bulge 31 and a second flanging 32.
Detailed Description
Embodiment 1 is as shown in fig. 1 to 6, the supporting cylinder for the particle catcher of this embodiment, including first cylinder 1, second cylinder 3 and flange 2, the front end of first cylinder 1 sets up first flanging 11 along circumference, the inboard of first flanging 11 sets up first straight cylinder 14, set up first annular bulge 12 along circumference outside the protrusion on the first straight cylinder 14, the inner wall of first annular bulge 12 sets up first annular groove 11 that is used for placing the sealing washer, the tail end of second cylinder 3 sets up second flanging 32 along circumference, the inboard of second flanging 32 sets up the second straight cylinder, set up third annular bulge 31 along circumference outside the protrusion on the second straight cylinder, the inner wall of third annular bulge 31 sets up the third annular groove that is used for placing the sealing washer.
The connecting flange 2 comprises a flange straight cylinder body and a second annular bulge 21 arranged in the middle of the flange straight cylinder body, the flange straight cylinder body is divided into a flange left straight cylinder body 22 and a flange right straight cylinder body 23 by the second annular bulge 21, a second annular groove 24 is arranged on the inner wall of the second annular bulge 21 to reduce the weight of the connecting flange 2, the outer diameter of the flange left straight cylinder body 22 is not smaller than the inner diameter of the first straight cylinder body 14, the outer diameter of the flange right straight cylinder body 23 is not smaller than the inner diameter of the second straight cylinder body, a first flanging 11 and a second flanging 32 are obliquely arranged, the second annular bulge 21 comprises a front oblique side wall 26 and a rear oblique side wall 25, and arc-shaped transition parts 27 are arranged between the front oblique side wall 26 and the flange left straight cylinder body 22 and between the rear oblique side wall 25 and the flange right straight; the inclination angle of the front inclined side wall 26 and the inclination angle of the first flanging 11 are complementary angles (for example, 140 degrees and 40 degrees), the inclination angle of the rear inclined side wall 25 and the inclination angle of the second flanging 32 are complementary angles, when the flange left straight cylinder body 22 is inserted into the first straight cylinder body 14 and in interference fit, the flange right cylinder body 23 is inserted into the second straight cylinder body and in interference fit, when the flange left straight cylinder body 22 is inserted into the first straight cylinder body 14, the sealing ring in the first annular groove 13 is arranged between the flange left straight cylinder body 22 and the first straight cylinder body 14, when the flange right straight cylinder body 23 is inserted into the second straight cylinder body, the sealing ring in the third annular groove is arranged between the flange right straight cylinder body 23 and the second straight cylinder body, the first flanging 11 is tightly attached to the front inclined side wall 26, and the second flanging 31 is tightly attached to the rear inclined side.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.
Claims (7)
1. A supporting cylinder for a particle catcher is characterized by comprising a first cylinder body, a second cylinder body and a connecting flange, wherein a first flanging is arranged at the front end of the first cylinder body along the circumferential direction, a first straight cylinder body is arranged on the inner side of the first flanging, a second flanging is arranged on the tail end of the second cylinder body along the circumferential direction, a second straight cylinder body is arranged on the inner side of the second flanging, the connecting flange comprises a flange straight cylinder body and a second annular bulge arranged in the middle of the flange straight cylinder body, the flange straight cylinder body is divided into a left flange straight cylinder body and a right flange straight cylinder body by the second annular bulge, the outer diameter of the left flange straight cylinder body is not smaller than the inner diameter of the first straight cylinder body, the outer diameter of the right flange straight cylinder body is not smaller than the inner diameter of the second straight cylinder body, the left flange straight cylinder body is inserted into the first straight cylinder body during assembly, and the right flange straight cylinder body, the first outward turning edge and the second outward turning edge are abutted against two sides of the second annular bulge.
2. the supporting cylinder for the particle catcher as claimed in claim 1, wherein the first straight cylinder body is provided with a first annular protrusion protruding outward in a circumferential direction, an inner wall of the first annular protrusion is provided with a first annular groove for placing a sealing ring, and when the left straight cylinder body of the flange is inserted into the first straight cylinder body, the sealing ring in the first annular groove is placed between the left straight cylinder body of the flange and the first straight cylinder body.
3. The supporting cylinder for the particle catcher as claimed in claim 1 or 2, wherein a third annular protrusion is disposed on the second straight cylinder body and protrudes outwards along the circumferential direction, a third annular groove for placing a sealing ring is disposed on the inner wall of the third annular protrusion, and when the right straight cylinder body of the flange is inserted into the second straight cylinder body, the sealing ring in the third annular groove is disposed between the right straight cylinder body of the flange and the second straight cylinder body.
4. the support cartridge for a particle trap as defined in claim 3 wherein the inner wall of said second annular projection is provided with a second annular groove.
5. The support cylinder for the particle catcher as claimed in claim 4, wherein the first and second flanges are disposed in an inclined manner, the second annular protrusion includes a front inclined side wall and a rear inclined side wall, an inclination angle of the front inclined side wall and an inclination angle of the first flange are complementary angles, and an inclination angle of the rear inclined side wall and an inclination angle of the second flange are complementary angles, so that when the connection flange is inserted into and fitted with the first and second cylinders, the first flange is tightly attached to the front inclined side wall, and the second flange is tightly attached to the rear inclined side wall.
6. the support cartridge for a particle trap as defined in claim 5, wherein an arc-shaped transition portion is provided between the front inclined sidewall and the left straight cylinder body of the flange, and between the rear inclined sidewall and the right straight cylinder body of the flange.
7. A method of assembling a support cartridge for a particle trap as recited in claim 5, comprising: during assembly, the left straight barrel of the flange is inserted into the first straight barrel and is in interference fit with the first straight barrel, the right barrel of the flange is inserted into the second straight barrel and is in interference fit with the second straight barrel, when the left straight barrel of the flange is inserted into the first straight barrel, the sealing ring in the first annular groove is arranged between the left straight barrel of the flange and the first straight barrel, when the right straight barrel of the flange is inserted into the second straight barrel, the sealing ring in the third annular groove is arranged between the right straight barrel of the flange and the second straight barrel, the first flanging is tightly attached to the front inclined side wall, and the second flanging is tightly attached to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987196.0A CN110566331B (en) | 2019-10-17 | 2019-10-17 | Support cylinder for particle catcher and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987196.0A CN110566331B (en) | 2019-10-17 | 2019-10-17 | Support cylinder for particle catcher and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110566331A true CN110566331A (en) | 2019-12-13 |
| CN110566331B CN110566331B (en) | 2024-05-14 |
Family
ID=68785529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910987196.0A Active CN110566331B (en) | 2019-10-17 | 2019-10-17 | Support cylinder for particle catcher and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566331B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791387A1 (en) * | 1996-02-23 | 1997-08-27 | Filtrauto | Removable cartridge filter for internal combustion engine |
| WO2010004790A1 (en) * | 2008-07-10 | 2010-01-14 | 日立建機株式会社 | Exhaust gas treatment apparatus |
| WO2010055717A1 (en) * | 2008-11-11 | 2010-05-20 | 日立建機株式会社 | Exhaust gas processing device |
| CN207229202U (en) * | 2017-08-14 | 2018-04-13 | 苏州莲池环保科技发展有限公司 | A kind of diesel vehicle pull-out type exhaust purifier |
| CN207245795U (en) * | 2017-11-06 | 2018-04-17 | 无锡市正气环保科技有限公司 | A kind of counterflow-preventing cylinder of diesel vehicle grain catcher |
| CN208089397U (en) * | 2018-03-30 | 2018-11-13 | 埃贝赫排气技术（上海）有限公司 | Diesel engine after treatment Hermetical connecting structure |
| CN209179856U (en) * | 2018-11-28 | 2019-07-30 | 埃贝赫排气技术（上海）有限公司 | The U-shaped after-treatment system of use for diesel engine |
| CN210564739U (en) * | 2019-10-17 | 2020-05-19 | 常州良旭车辆配件有限公司 | Supporting cylinder for particle catcher |
-
2019
- 2019-10-17 CN CN201910987196.0A patent/CN110566331B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791387A1 (en) * | 1996-02-23 | 1997-08-27 | Filtrauto | Removable cartridge filter for internal combustion engine |
| WO2010004790A1 (en) * | 2008-07-10 | 2010-01-14 | 日立建機株式会社 | Exhaust gas treatment apparatus |
| WO2010055717A1 (en) * | 2008-11-11 | 2010-05-20 | 日立建機株式会社 | Exhaust gas processing device |
| CN207229202U (en) * | 2017-08-14 | 2018-04-13 | 苏州莲池环保科技发展有限公司 | A kind of diesel vehicle pull-out type exhaust purifier |
| CN207245795U (en) * | 2017-11-06 | 2018-04-17 | 无锡市正气环保科技有限公司 | A kind of counterflow-preventing cylinder of diesel vehicle grain catcher |
| CN208089397U (en) * | 2018-03-30 | 2018-11-13 | 埃贝赫排气技术（上海）有限公司 | Diesel engine after treatment Hermetical connecting structure |
| CN209179856U (en) * | 2018-11-28 | 2019-07-30 | 埃贝赫排气技术（上海）有限公司 | The U-shaped after-treatment system of use for diesel engine |
| CN210564739U (en) * | 2019-10-17 | 2020-05-19 | 常州良旭车辆配件有限公司 | Supporting cylinder for particle catcher |
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| Publication number | Publication date |
|---|---|
| CN110566331B (en) | 2024-05-14 |
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