CN105201597A - Particle purification device for diesel engine - Google Patents
Particle purification device for diesel engine Download PDFInfo
- Publication number
- CN105201597A CN105201597A CN201510617611.5A CN201510617611A CN105201597A CN 105201597 A CN105201597 A CN 105201597A CN 201510617611 A CN201510617611 A CN 201510617611A CN 105201597 A CN105201597 A CN 105201597A
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- catalyst converter
- diesel engine
- interface
- ring
- purifying device
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Abstract
The invention discloses a particle purification device for a diesel engine. The particle purification device for the diesel engine comprises a catalyst and a connection assembly. A DOC carrier and a DPF carrier are packaged in a shell of the catalyst in an integrated mode. The connection assembly is used for connecting the catalyst with a supercharger and comprises a catalyst connector, a supercharger connector and a clamping ring. Connection end faces of the catalyst connector and the supercharger connector are in tight fit with each other. The clamping ring is arranged in the manner of surrounding the outer circumferences of the two connectors and pressing the connection end faces of the two connectors to form fixing. The DOC carrier and the DPF carrier are packaged together in a tight coupling mode, which is beneficial for raising temperature in DPF regeneration and reducing fuel oil waste; besides, the connection end faces of the catalyst connector and the supercharger connector are tightly pressed through the clamping ring to be fixedly connected, and it is unnecessary to directly install connection components on the catalyst and the supercharger, so that the connection structure is simplified, the number of parts needed for connector connection is greatly reduced, and rapid assembly can be achieved.
Description
Technical field
The present invention relates to a kind of parts Placement, particularly a kind of purifying device of diesel engine particles.
Background technique
In the reprocessing field of motor, usual needs are used and are arranged oxidation catalyzer (i.e. DOC) in supercharger outlet position, and under chassis, arrange that particle paved set device (i.e. DPF) reaches particulate burning purifying, this arrangement can cause the loss of exhaust gas temperature, be unfavorable for the lifting of temperature during dpf regeneration, cause fuel oil to waste, and emission standard can not reach now up-to-date state V emission control requirement.
In addition, catalyst converter and pressurized machine are all vitals of motor, and two parts need connection.In prior art, how directly to be connected by the interface end of flange arrangement by both, or indirectly connected by accessory, it is no matter the former mode, or the latter's mode, all need more connected element, and those skilled in the art all knows, motor is a quite complicated structure, the parts that needs cooperatively interact are quite a lot of, when mounting parts is more, can impact unavoidably to the installation position of motor miscellaneous part, formed and interfere, thus increase manufacture cost; Further, pressurized machine and catalyst converter all belong to the parts needing high frequency repair and maintenance, if both linkage structures are to each other too complicated or remove and install inconvenience, greatly can increase labour cost.
Therefore, need to improve existing diesel engine post processing mode, the lifting of temperature when making it can be conducive to dpf regeneration, reduce fuel oil waste, reach state V emission control requirement, and simplify the linkage structure of catalyst converter and pressurized machine, both minimizings interface connects required amount of parts, and makes it easy to dismounting and install.
Summary of the invention
In view of this, the invention provides a kind of purifying device of diesel engine particles, the lifting of temperature when making it can be conducive to dpf regeneration, reduce fuel oil waste, reach state V emission control requirement, and simplify the linkage structure of catalyst converter and pressurized machine, both minimizings interface connects required amount of parts, and makes it easy to dismounting and install.
Purifying device of diesel engine particles of the present invention, comprises catalyst converter, and in the housing of catalyst converter, integration packaging has DOC carrier and DPF carrier;
Also comprise the conjugative component be connected with pressurized machine for catalyst converter, described conjugative component comprises catalyst converter interface, pressurized machine interface and clamping ring, described catalyst converter interface and described pressurized machine interface jointing end face snug fit, described clamping ring is to make two interface jointing end faces compress to form fixing mode to arrange around two interface excircles.
Further, the radial cross section after catalyst converter interface engages with the joint end of described pressurized machine interface is trapezoidal sectional shape, and the mating face of described clamping ring and two interfaces is and trapezoid cross section conformal structure.
Further, the joint end of catalyst converter interface is provided with flange I, the joint end of described pressurized machine interface is provided with flange II, and joint end opposite side is downward-sloping is formed with inclined-plane for all outer circumference of two flanges self, and the mating face of described clamping ring and two interfaces forms v-shaped structure.
Further, v-shaped structure angle and described trapezoid cross section angle want little 0 ° ~ 6 °.
Further, the tightener that clamping ring comprises outer tightening ring, interior hold-down ring and tightens up for outer tightening ring two end part, described interior hold-down ring is fixedly installed outside inside tightening ring, and described v-shaped structure is formed at inside interior hold-down ring.
Further, interior hold-down ring is segmentation structure, and each point of intersegmental preset clearance is arranged.
Further, tightener comprises tightening bolt, tightens up nut and gudgeon, the bolt head of described tightening bolt is fixedly installed on outer tightening ring one end, and described gudgeon sets firmly and is placed in the outer tightening ring the other end, and the end of described tightening bolt is through gudgeon and by tightening up fastening nuts; The end of described outer tightening ring is the fixing part of turnup structure formation.
Further, the jointing end face of catalyst converter interface and described pressurized machine interface is step surface cooperating structure.
Further, catalyst converter also comprises preceding pipeline and rearmounted pipeline, in described preceding pipeline and rearmounted pipeline, and the housing joint of preceding pipeline and described rearmounted pipeline and catalyst converter be can form guide functions seamlessly transit structure.
Further, thermal shield is provided with outside the hull outside of catalyst converter and rearmounted pipeline.
Beneficial effect of the present invention: purifying device of diesel engine particles of the present invention, adopt tight coupling formula scheme by DOC carrier together with DPF carrier package, be conducive to the lifting of temperature during dpf regeneration like this, reducing fuel oil wastes; And by clamping ring the jointing end face of catalyst converter interface and pressurized machine interface tightly compressed and form a fixed connection, without the need to direct mounting and connection parts on catalyst converter and pressurized machine, simplify linkage structure, greatly reduce interface and connect required amount of parts, can reach by dismounting clamping ring the object be separated with catalyst converter by pressurized machine, can quick-detachment be realized; And above-mentioned Placement, while reaching stable connection object, also can realize the sealing effect to both joints.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is Fig. 1 right elevation;
Fig. 3 be catalyst converter in structure of the present invention housing in DOC carrier and DPF carrier package schematic diagram;
Fig. 4 is E-E direction view in Fig. 3
Fig. 5 is conjugative component structural representation in the present invention;
Fig. 6 is conjugative component cross section structure schematic diagram in the present invention;
Fig. 7 is the clamping ring three-dimensional view of conjugative component in the present invention;
Fig. 8 is the clamping ring front view of conjugative component in the present invention;
Fig. 9 is Fig. 8 top view;
Figure 10 is the radial cross section schematic diagram of the clamping ring in the present invention;
Figure 11 is A place enlarged view in Fig. 6.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is Fig. 1 right elevation, Fig. 3 be catalyst converter in structure of the present invention housing in DOC carrier and DPF carrier package schematic diagram, Fig. 4 is E-E direction view in Fig. 3, Fig. 5 is conjugative component structural representation in the present invention, Fig. 6 is conjugative component cross section structure schematic diagram in the present invention, Fig. 7 is the clamping ring three-dimensional view of conjugative component in the present invention, Fig. 8 is the clamping ring front view of conjugative component in the present invention, Fig. 9 is Fig. 8 top view, Figure 10 is the radial cross section schematic diagram of the clamping ring in the present invention, Figure 11 is A place enlarged view in Fig. 6, as shown in the figure: the purifying device of diesel engine particles of the present embodiment, comprise catalyst converter, in the housing 4-1 of catalyst converter, integration packaging has DOC carrier 7 and DPF carrier 8, wherein, the damping pad 9 for vibration damping is provided with between inside DOC carrier 7 and DPF carrier 8 and housing 4-1,
Also comprise the conjugative component be connected with pressurized machine for catalyst converter, conjugative component comprises catalyst converter interface 1, pressurized machine interface 2 and clamping ring 3, catalyst converter interface 1 and both pressurized machine interfaces 2 jointing end face snug fit, clamping ring 3 is to make two interface jointing end faces compress to form fixing mode to arrange around two interface excircles; Wherein, catalyst converter interface 1 can be single part be arranged on catalyst converter 4 for pressurized machine 5 joint, also can be the structure be directly molded on catalyst converter 4, in like manner, pressurized machine interface 2 also can be single part be arranged on pressurized machine 5 for catalyst converter joint, also can be the structure be directly molded on pressurized machine, after catalyst converter interface 1 and the jointing end face of pressurized machine interface 2 are adjacent to, it is fixing that clamping ring 3 makes two interfaces be formed around the mode of both excircle pressure compressed and the jointing end face giving two interfaces contacts; In addition, ensureing the sealability of jointing by controlling two jointing roughness and the form and position tolerance such as planeness, cylindricity, eliminating the use of sealing gasket, thus optimize structure further, reduce costs.
In the present embodiment, the radial cross section after catalyst converter interface 1 engages with the joint end of pressurized machine interface 2 is trapezoidal sectional shape, and the mating face of clamping ring 3 and two interfaces is and trapezoid cross section conformal structure; Clamping ring 3 works the effect of holding tightly, and auxiliary fixed interface position, can form to two interfaces the pressure compressed to jointing end face after clamping ring 3 clamps, make the mating face of two interfaces compacted under the effect of clamping ring 3, thus reach sealing effect.
In the present embodiment, the joint end of catalyst converter interface 1 is provided with flange I 1-1, the joint end of pressurized machine interface 2 is provided with flange II 2-1, all outer self the joint end opposite side of circumference of two flanges is downward-sloping is formed with inclined-plane (being inclined-plane 1-2 and inclined-plane 2-2 in figure), and the mating face of clamping ring 3 and two interfaces forms v-shaped structure; Not only have good adaptability, and engage good sealing effect, have higher impacting force, v-shaped structure refers to that radial cross section is v-shaped structure, and it is formed by the V-shaped groove formed in clamping ring 3, the bottom of v-shaped structure when compression and the end face of trapezoid cross section be adjacent to.
In the present embodiment, the angle α of v-shaped structure and the angle of described trapezoid cross section want little 0 ° ~ 6 °; That to be 89 ° (-4 ° ~ 0 °) than the cross section angle 90 ° ± 1 ° after pressurized machine interface 2 and catalyst converter interface 1 male cone (strobilus masculinus) (i.e. trapezoid cross section) assembling want clamping ring 3V shape structure angle is little 0 ° ~ and 6 °, thus after catalyst converter interface 1 and pressurized machine interface 2 faying surface are bonded with each other, can be compacted under the elastic force effect of clamping ring 3V shape structure, ensure sealing effect.
In the present embodiment, the tightener 3-3 that clamping ring 3 comprises outer tightening ring 3-1, interior hold-down ring 3-2 and tightens up for outer tightening ring 3-1 two end part, described interior hold-down ring 3-2 is fixedly installed outside inside tightening ring 3-1, and described v-shaped structure is formed at inside interior hold-down ring 3-2; Form V-shaped groove 3-4 in interior hold-down ring 3-2, v-shaped structure is formed by V-shaped groove.
In the present embodiment, interior hold-down ring 3-2 is segmentation structure, and each point of intersegmental preset clearance is arranged.
In the present embodiment, tightener 3-3 comprises tightening bolt 3-3-1, tightens up nut 3-3-2 and gudgeon 3-3-3, the bolt head of described tightening bolt 3-3-1 is fixedly installed on outer tightening ring 3-1 one end, described gudgeon sets firmly and is placed in the outer tightening ring 3-1 the other end, and the end of described tightening bolt 3-3-1 is fastening by tightening up nut 3-3-2 through gudgeon; Wherein, gudgeon is T-shaped structure, and gudgeon comprises stationary axle 3-3-3a and ear muff 3-3-3b, and tightening bolt 3-3-1 is T bolt, tightening bolt 3-3-1 in ear muff through and fastening by tightening up nut 3-3-2, structure is simple, reliably solid.
In the present embodiment, the end of outer tightening ring 3-1 is the fixing part of turnup structure formation; Be respectively arranged with for fastening the first fixing part 3-1-1 of the bolt head of tightening bolt 3-3-1 and the second fixing part 3-1-2 fastening to the stationary axle of gudgeon, two fixing parts oppositely turn down the clad structure of formation by outer tightening ring 3-1 end.
In the present embodiment, catalyst converter interface 1 is step surface cooperating structure with the jointing end face of described pressurized machine interface 2; Step surface cooperating structure refers to that catalyst converter interface 1 and pressurized machine interface 2 place are step surface 6, and can mutually insert rear snug fit, can reach more excellent sealability and structure stability by this kind of structure.
In the present embodiment, catalyst converter also comprises preceding pipeline 4-2 and rearmounted pipeline 4-3, in described preceding pipeline and rearmounted pipeline, and the housing 4-1 joint of preceding pipeline and described rearmounted pipeline and catalyst converter be can form guide functions seamlessly transit structure; Wherein, conjugative component correspondence is used in preceding pipeline end.
In the present embodiment, outside the housing 4-1 of catalyst converter He outside rearmounted pipeline, be provided with thermal shield; As shown in the figure, thermal shield comprises preceding pipeline thermal shield 4-3, preceding pipeline thermal shield 4-4, housing thermal shield 4-5 and housing thermal shield 4-6, better can maintain inside temperature, avoid temperature loss, decrease special purpose parts, reduce costs, wherein, housing thermal shield 4-5 is provided with pressure reduction pipeline support, pressure reduction pipeline support comprises fixing frame 10, pressing plate 11 and the connecting bolt 12 be connected with fixing frame by pressing plate, fixing frame is arranged on housing thermal shield 4-5, there is gap between pressing plate and fixing frame, pressing plate is provided with arc indent 13.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a purifying device of diesel engine particles, is characterized in that: comprise catalyst converter, and in the housing of described catalyst converter, integration packaging has DOC carrier and DPF carrier;
Also comprise the conjugative component be connected with pressurized machine for catalyst converter, described conjugative component comprises catalyst converter interface, pressurized machine interface and clamping ring, described catalyst converter interface and described pressurized machine interface jointing end face snug fit, described clamping ring is to make two interface jointing end faces compress to form fixing mode to arrange around two interface excircles.
2. purifying device of diesel engine particles according to claim 1, it is characterized in that: the radial cross section after described catalyst converter interface engages with the joint end of described pressurized machine interface is trapezoidal sectional shape, the mating face of described clamping ring and two interfaces is and trapezoid cross section conformal structure.
3. purifying device of diesel engine particles according to claim 2, it is characterized in that: the joint end of catalyst converter interface is provided with flange I, the joint end of described pressurized machine interface is provided with flange II, joint end opposite side is downward-sloping is formed with inclined-plane for all outer circumference of two flanges self, and the mating face of described clamping ring and two interfaces forms v-shaped structure.
4. purifying device of diesel engine particles according to claim 3, is characterized in that: described v-shaped structure angle and described trapezoid cross section angle want little 0 ° ~ 6 °.
5. purifying device of diesel engine particles according to claim 4, it is characterized in that: the tightener that described clamping ring comprises outer tightening ring, interior hold-down ring and tightens up for outer tightening ring two end part, described interior hold-down ring is fixedly installed outside inside tightening ring, and described v-shaped structure is formed at inside interior hold-down ring.
6. purifying device of diesel engine particles according to claim 5, is characterized in that: described interior hold-down ring is segmentation structure, and each point of intersegmental preset clearance is arranged.
7. purifying device of diesel engine particles according to claim 6, it is characterized in that: described tightener comprises tightening bolt, tightens up nut and gudgeon, the bolt head of described tightening bolt is fixedly installed on outer tightening ring one end, described gudgeon sets firmly and is placed in the outer tightening ring the other end, and the end of described tightening bolt is through gudgeon and by tightening up fastening nuts; The end of described outer tightening ring is the fixing part of turnup structure formation.
8. purifying device of diesel engine particles according to claim 7, is characterized in that: the jointing end face of described catalyst converter interface and described pressurized machine interface is step surface cooperating structure.
9. the purifying device of diesel engine particles according to the arbitrary claim of claim 1-8, it is characterized in that: described catalyst converter also comprises preceding pipeline and rearmounted pipeline, in described preceding pipeline and rearmounted pipeline, and the housing joint of preceding pipeline and described rearmounted pipeline and catalyst converter be can form guide functions seamlessly transit structure.
10. purifying device of diesel engine particles according to claim 9, is characterized in that: be provided with thermal shield outside the hull outside of described catalyst converter and rearmounted pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617611.5A CN105201597A (en) | 2015-09-22 | 2015-09-22 | Particle purification device for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617611.5A CN105201597A (en) | 2015-09-22 | 2015-09-22 | Particle purification device for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105201597A true CN105201597A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617611.5A Pending CN105201597A (en) | 2015-09-22 | 2015-09-22 | Particle purification device for diesel engine |
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| CN200982219Y (en) * | 2006-12-12 | 2007-11-28 | 上海久久汽车安全装置有限公司 | Stainless steel automobile tail gas pipe |
| US20120042638A1 (en) * | 2010-08-19 | 2012-02-23 | J. Eberspaecher Gmbh & Co., Kg | Exhaust Gas Cleaning Device, Exhaust System, Removal Method |
| CN102713395A (en) * | 2009-09-29 | 2012-10-03 | 卡明斯Ip公司 | Spherical flange joint |
| CN103147832A (en) * | 2013-03-19 | 2013-06-12 | 中国北方发动机研究所(天津) | Corrugated pipe combined structure for diesel engine |
| CN203499773U (en) * | 2013-11-04 | 2014-03-26 | 台州三元车辆净化器有限公司 | DPF black smoke catalytic filter device |
| CN204532508U (en) * | 2015-03-25 | 2015-08-05 | 北京福田康明斯发动机有限公司 | Pipeline jointing construction and motor exhaust after-treatment system |
-
2015
- 2015-09-22 CN CN201510617611.5A patent/CN105201597A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982219Y (en) * | 2006-12-12 | 2007-11-28 | 上海久久汽车安全装置有限公司 | Stainless steel automobile tail gas pipe |
| CN102713395A (en) * | 2009-09-29 | 2012-10-03 | 卡明斯Ip公司 | Spherical flange joint |
| US20120042638A1 (en) * | 2010-08-19 | 2012-02-23 | J. Eberspaecher Gmbh & Co., Kg | Exhaust Gas Cleaning Device, Exhaust System, Removal Method |
| CN103147832A (en) * | 2013-03-19 | 2013-06-12 | 中国北方发动机研究所(天津) | Corrugated pipe combined structure for diesel engine |
| CN203499773U (en) * | 2013-11-04 | 2014-03-26 | 台州三元车辆净化器有限公司 | DPF black smoke catalytic filter device |
| CN204532508U (en) * | 2015-03-25 | 2015-08-05 | 北京福田康明斯发动机有限公司 | Pipeline jointing construction and motor exhaust after-treatment system |
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Application publication date: 20151230 |