CN217897993U - Automobile three-way catalyst - Google Patents
Automobile three-way catalyst Download PDFInfo
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- CN217897993U CN217897993U CN202220927664.2U CN202220927664U CN217897993U CN 217897993 U CN217897993 U CN 217897993U CN 202220927664 U CN202220927664 U CN 202220927664U CN 217897993 U CN217897993 U CN 217897993U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model provides an automobile three-way catalytic converter, including three units of ware main parts, first pipe joint seat and second pipe joint seat, first pipe joint seat is arranged in three units of ware main parts one end and can dismantle with three units of ware main parts and be connected, the junction with three units of ware main parts is equipped with the dust catcher in the first pipe joint seat, the dust catcher cooperates with first pipe joint seat through limit structure, the dust catcher can dismantle with first pipe joint seat and be connected, the bending department of first pipe joint seat inner wall is equipped with a wear plate group at least, wear plate group arranges in filter screen one side and is the slope setting; the utility model discloses on traditional three way catalyst converter's basis, with its by the integral type design, turn into split type design, set up dust trapper and wear plate group in the junction of the first pipe joint seat that links to each other with the abandonment pipeline with three way ware main parts simultaneously, remaining particulate matter in the waste gas is caught to waste gas impact force and well when reducing the filtration to improve the working life of pipe joint seat body department of buckling, the good reliability, and change easy dismounting.
Description
Technical Field
The utility model relates to a tail gas treatment technical field especially relates to automobile three way catalyst converter.
Background
The three-way catalyst is the most important external purifying device installed in the automobile exhaust system, and can convert harmful gases such as CO, HC hydrocarbon, NOx nitrogen oxide and the like discharged by automobile exhaust into harmless carbon dioxide, water and nitrogen through oxidation and reduction. This catalytic converter can convert three main harmful substances in the exhaust gas into harmless substances at the same time, so it is called ternary.
The three-way catalytic converter on the market comprises a metal shell, wherein a heat insulation protective lining layer is arranged in the metal shell, a three-way catalyst core is arranged in the lining layer, waste gas enters the three-way catalytic converter through an air inlet pipe, is filtered and then is discharged from an exhaust pipe, and the air inlet pipe is communicated with the exhaust pipe and pipe joint seats at two ends of the three-way catalytic converter;
the pipe joint seat of some three-way catalysts is usually designed into a bent pipe for meeting the space requirement in a vehicle, and during working, because some dust particles can be remained in waste gas and flow in a pipeline at high speed along with air flow, the bent part of the pipe joint seat can be subjected to great abrasion pressure, and the service life is short. Therefore the utility model provides a problem that car three way catalyst converter exists in order to solve among the prior art.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a car three way catalyst converter, this car three way catalyst converter are on traditional three way catalyst converter's basis, with its by the integral type design, turn into split type design, set up dust trapper and wear plate group in the junction of the first pipe connection seat that links to each other with the abandonment pipeline with three way ware main parts simultaneously, reduce when filtering waste gas impact force and catch remaining particulate matter in the waste gas to improve the working life of pipe connection seat body department of buckling, the good reliability, and change easy dismounting.
For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: the automobile three-way catalyst comprises a three-way catalyst body, a first pipe joint seat and a second pipe joint seat, wherein the first pipe joint seat is arranged at one end of the three-way catalyst body and is detachably connected with the three-way catalyst body;
a dust catcher is arranged at the joint of the first pipe connector seat and the three-way device main body, the dust catcher is matched with the first pipe connector seat through a limiting structure, and the dust catcher is detachably connected with the first pipe connector seat;
the bent part of the inner wall of the first pipe joint seat is at least provided with a wear-resistant plate group which is arranged on one side of the filter screen and is arranged in an inclined manner;
the second pipe joint seat is arranged at one end of the ternary device main body and is detachably connected with the ternary device main body, and flange connecting pieces are arranged at the joints of the second pipe joint seat and the first pipe joint seat with the ternary device main body.
The further improvement lies in that: the wear-resisting plate group comprises a first vertical rod and a second vertical rod, the first vertical rod and the second vertical rod are fixed at the bending position in the first pipe joint seat and are parallel to each other, anti-abrasion angle irons are arranged on one sides, away from the dust catcher, of the first vertical rod and the second vertical rod, wing plates are arranged on two sides of each anti-abrasion angle iron, the surfaces of the wing plates are in uniform transition along the surfaces of the anti-abrasion angle irons, and the surfaces of the anti-abrasion angle irons are arc-shaped.
The further improvement is that: a filter screen is arranged in the dust catcher, external threads are formed in the outer wall of the dust catcher, and the external threads are matched with internal threads formed in the inner wall of the pipe orifice of the first pipe connecting seat.
The further improvement lies in that: the limiting structure comprises a positioning ring and a check ring, the positioning ring is arranged on the inner wall of the first pipe connector seat and is connected with one end, located in the first pipe connector seat, of the dust catcher, the check ring is arranged at one end, far away from the positioning ring, of the dust catcher and extends out of the first pipe connector seat, and the diameter of the check ring is larger than that of the pipe orifice of the first pipe connector seat.
The further improvement lies in that: the inner wall of the ternary device main body is provided with an inner lining layer, at least two filter cores are arranged in the inner lining layer, the filter cores are connected with the inner wall of the inner lining layer, and a space is reserved between each filter core.
The further improvement lies in that: the flange connecting piece comprises a first flange and a second flange, the first flange is arranged at pipe orifices at two ends of the ternary device main body and is welded and fixed with the ternary device main body, the second flange is arranged at one end, close to the ternary device main body, of the first pipe connector seat and one end, close to the ternary device main body, of the second pipe connector seat and is fixedly connected with the first pipe connector seat and the second pipe connector seat, the first flange is matched with the second flange, a clamping groove is formed in one side, close to the second flange, of the first flange, and the clamping groove is matched with an annular clamping edge formed in the side wall of the second flange.
The further improvement is that: and the first pipe joint seat and the second pipe joint seat are respectively provided with a third flange for fixing with an automobile pipeline at one end far away from the main body of the three-element device, and the two third flanges are respectively welded and fixed with the first pipe joint seat and the second pipe joint seat.
The utility model has the advantages that: the automobile three-way catalytic converter is designed from an integrated type to a split type on the basis of the traditional three-way catalytic converter, a dust catcher is arranged at the joint of a first pipe joint seat connected with a waste pipeline and a three-way catalytic converter main body, and particles in waste gas are caught by the dust catcher, so that the treatment effect of the waste gas of the three-way catalytic converter main body is improved;
detachable connection structure cooperation split type three way catalyst converter makes things convenient for the staff to dust catcher and other structure quick replacement, is located the setting of first pipe connector seat interior wear plate group, can shunt waste gas, reduces the gas flow rate and impact force, improves the working life of pipe connector seat body buckling department, and the good reliability.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the tripler body of the present invention.
Fig. 3 is a structural view of the dust catcher of the present invention.
Fig. 4 is a structural diagram of the wear-resistant plate assembly of the present invention.
Fig. 5 is a structural diagram of the retainer ring of the present invention.
Wherein: 1. a ternary device body; 11. an inner liner layer; 12. a filter element; 13. a first flange; 14. a card slot; 2. a first pipe joint seat; 3. a second pipe joint seat; 31. a second flange; 23. a third flange; 4. a wear plate group; 41. a first upright rod; 42. a second upright stanchion; 43. a wing plate; 44. abrasion-proof angle iron; 5. a dust catcher; 51. filtering with a screen; 52. an external thread; 53. a retainer ring; 6. a positioning ring.
Detailed Description
In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.
According to the figures 1, 2, 3, 4 and 5, the embodiment provides an automobile three-way catalyst, which comprises a three-way catalyst body 1, a first pipe connector seat 2 and a second pipe connector seat 3, wherein the first pipe connector seat 2 is arranged at one end of the three-way catalyst body 1 and is detachably connected with the three-way catalyst body 1;
a dust catcher 5 is arranged at the joint of the interior of the first pipe connecting seat 2 and the three-way device main body 1, the dust catcher 5 is matched with the first pipe connecting seat 2 through a limiting structure, and the dust catcher 5 is detachably connected with the first pipe connecting seat 2; the dust catcher 5 is arranged at the pipe orifice of the connecting position of the first pipe connector seat 2 and the three-way device main body 1 and used for catching dust particles in waste, the treatment effect of waste gas of the three-way device main body 1 is improved, the detachable design is matched with the split three-way catalyst, and the dust catcher 5 is convenient to replace.
At least one wear-resistant plate group 4 is arranged at the bent part of the inner wall of the first pipe connecting seat 2, and the wear-resistant plate group 4 is arranged on one side of the filter screen 51 and is obliquely arranged; high-temperature waste gas enters the three-way device main body 1 at a high speed through the first pipe joint seat 2, when the waste gas contains more particles, the particles can continuously impact the inner wall of the first pipe joint seat 2 and the dust catcher 5, the bent part of the first pipe joint seat 2 and the dust catcher 5 can be seriously abraded, the waste gas can be divided by arranging the wear-resistant plate group 4, the gas flow rate and the impact force are reduced, and the service life of the first pipe joint seat 2 and the dust catcher 5 is prolonged.
The second pipe connector seat 3 is arranged at one end of the ternary device main body 1 and is detachably connected with the ternary device main body 1, and flange connecting pieces are arranged at the connecting positions of the second pipe connector seat 3, the first pipe connector seat 2 and the ternary device main body 1. The triplexer body 1, the first pipe connector seat 2 and the second pipe connector seat 3 adopt a split type design and are mutually matched through flange connection, and the triplexer is convenient to disassemble, assemble and maintain.
The wear-resistant plate group 4 comprises a first vertical rod 41 and a second vertical rod 42, the first vertical rod 41 and the second vertical rod 42 are fixed at the bending position in the first pipe joint seat 2 and are parallel to each other, one sides, far away from the dust catcher 5, of the first vertical rod 41 and the second vertical rod 42 are respectively provided with an anti-abrasion angle iron 44, two sides of the anti-abrasion angle iron 44 are provided with wing plates 43, the surfaces of the wing plates 43 are in uniform transition along the surface of the anti-abrasion angle iron 44, and the surface of the anti-abrasion angle iron 44 is in an arc shape. The first pipe joint seat 2 is internally provided with at least one wear-resistant plate group 4, each wear-resistant plate group 4 is parallel to each other, the first vertical rod 41 and the second vertical rod 42 are obliquely supported in the first pipe joint seat 2, when waste passes through a bent part, the wing plates 43 are matched with the anti-wear angle irons 44 on two sides of the wing plates to guide airflow, so that waste gas is divided to two sides, the gas divided by the first vertical rod 41 can be staggered with the gas divided by the second vertical rod 42, and therefore the effects of turbulent airflow and waste flow velocity reduction are achieved, and the first pipe joint seat 2 and the dust catcher 5 are protected.
A filter screen 51 is arranged in the dust catcher 5, an external thread 52 is arranged on the outer wall of the dust catcher 5, and the external thread 52 is matched with an internal thread arranged on the inner wall of the pipe orifice of the first pipe connecting seat 2. The limiting structure comprises a positioning ring 6 and a retaining ring 53, the positioning ring 6 is arranged on the inner wall of the first pipe connector seat 2 and is connected with one end of the dust catcher 5, which is positioned in the first pipe connector seat 2, the retaining ring 53 is arranged on one end of the dust catcher 5, which is far away from the positioning ring 6 and extends out of the first pipe connector seat 2, and the diameter of the retaining ring 53 is larger than that of the pipe orifice of the first pipe connector seat 2. When the dust catcher 5 is assembled, the flange connecting piece is opened, the first pipe connector seat 2 is separated from the three-way device main body 1, the dust catcher 5 is screwed into the first pipe connector seat 2 through the external threads 52 until the check ring 53 abuts against the inner side wall of the first pipe connector seat 2, the positioning ring 6 is in contact with the end wall of the dust catcher 5, and the dust catcher 5 is limited and convenient to assemble and disassemble.
The inner wall of the triplex device main body 1 is provided with an inner lining layer 11, at least two filter cores 12 are arranged in the inner lining layer 11, the filter cores 12 are connected with the inner wall of the inner lining layer 11, and intervals are reserved among the filter cores 12; when high-temperature automobile exhaust passes through the ternary device main body 1, the filter element 12 in the ternary device main body 1 enhances the activity of three gases of CO, HC and NOx to promote the three gases to carry out certain oxidation-reduction chemical reaction, wherein the CO is oxidized into colorless and nontoxic carbon dioxide gas at high temperature; HC compounds are oxidized at high temperatures to water (H20) and carbon dioxide; NOx is reduced to nitrogen and oxygen. Three kinds of harmful gases are changed into harmless gases, so that the automobile exhaust can be purified.
The flange connecting piece comprises a first flange 13 and a second flange 31, the first flange 13 is arranged at the pipe orifices at two ends of the ternary device main body 1 and is welded and fixed with the ternary device main body 1, the second flange 31 is arranged at one end, close to the ternary device main body 1, of the first pipe connector seat 2 and the second pipe connector seat 3 and is fixedly connected with the first pipe connector seat 2 and the second pipe connector seat 3, the first flange 13 is matched with the second flange 31, a clamping groove 14 is formed in one side, close to the second flange 31, of the first flange 13, and the clamping groove 14 is matched with an annular clamping edge formed in the side wall of the second flange 31; the first pipe connector seat 2 and the second pipe connector seat 3 are assembled at two ends of the ternary device main body 1 through flange connecting pieces and are respectively used for connecting a waste gas pipeline and an exhaust pipeline, after the first flange 13 and the second flange 31 are completely matched, the annular clamping edge arranged on the second flange 31 can be buckled into the clamping groove 14 formed in the pipe orifice of the first flange 13 and is matched with the clamping groove 14, and therefore the integrating degree and the sealing effect between the first flange 13 and the second flange 31 are improved.
And third flanges 23 used for fixing the automobile pipeline are arranged at the ends, far away from the main body 1, of the first pipe joint seat 2 and the second pipe joint seat 3, and the two third flanges 23 are respectively welded and fixed with the first pipe joint seat 2 and the second pipe joint seat 3. The first pipe joint seat 2 is connected with an exhaust pipeline, the second pipe joint seat 3 is connected with an exhaust pipeline, and the harmless gas after chemical treatment is discharged through the second pipe joint seat 3 and the exhaust pipeline.
This car three way catalyst converter is on traditional three way catalyst converter's basis, with its by the integral type design, turn into split type design, simultaneously set up dust catcher 5 in the junction of first pipe connector seat 2 with three way ware main parts 1 that link to each other with the abandonment pipeline, catch particulate matter in to waste gas through dust catcher 5, detachable connection structure cooperation split type three way catalyst converter, make things convenient for the staff to change dust catcher 5, be located the setting of wear plate group 4 in first pipe connector seat 2, can shunt waste gas, reduce the gas flow velocity and impact force, improve first pipe connector seat 2 and 5 working life of dust catcher, high reliability.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The automobile three-way catalyst comprises a three-way catalyst body (1), a first pipe joint seat (2) and a second pipe joint seat (3), and is characterized in that the first pipe joint seat (2) is arranged at one end of the three-way catalyst body (1) and is detachably connected with the three-way catalyst body (1);
a dust catcher (5) is arranged at the joint of the first pipe connector seat (2) and the ternary device main body (1), the dust catcher (5) is matched with the first pipe connector seat (2) through a limiting structure, and the dust catcher (5) is detachably connected with the first pipe connector seat (2);
the bent part of the inner wall of the first pipe connecting seat (2) is at least provided with a wear-resistant plate group (4), and the wear-resistant plate group (4) is arranged on one side of the filter screen (51) in an inclined manner;
the second pipe joint seat (3) is arranged at one end of the ternary device main body (1) and is detachably connected with the ternary device main body (1), and flange connecting pieces are arranged at the connecting positions of the second pipe joint seat (3) and the first pipe joint seat (2) with the ternary device main body (1).
2. The automotive three-way catalyst according to claim 1, characterized in that: wear-resisting plate group (4) are including first pole setting (41) and second pole setting (42), first pole setting (41) and second pole setting (42) are fixed in the department of buckling in first pipe joint seat (2) and are parallel to each other, dust catcher (5) one side is kept away from in first pole setting (41) and second pole setting (42) all is equipped with anti-abrasion angle iron (44), anti-abrasion angle iron (44) both sides are equipped with pterygoid lamina (43), pterygoid lamina (43) surface is followed anti-abrasion angle iron (44) surface uniform transition, anti-abrasion angle iron (44) surface is arc.
3. The automotive three-way catalyst according to claim 1, characterized in that: a filter screen (51) is arranged in the dust catcher (5), an external thread (52) is arranged on the outer wall of the dust catcher (5), and the external thread (52) is matched with an internal thread arranged on the inner wall of the pipe orifice of the first pipe connecting seat (2).
4. The automotive three-way catalyst according to claim 1, characterized in that: the limiting structure comprises a positioning ring (6) and a check ring (53), wherein the positioning ring (6) is arranged on the inner wall of the first pipe connector seat (2) and is connected with one end, located in the first pipe connector seat (2), of the dust catcher (5), the check ring (53) is arranged at one end, away from the positioning ring (6), of the dust catcher (5) and extends out of the first pipe connector seat (2), and the diameter of the check ring (53) is larger than that of the pipe orifice of the first pipe connector seat (2).
5. The automotive three-way catalyst according to claim 1, characterized in that: inner liner (11) are arranged on the inner wall of the triplex device body (1), at least two filter cores (12) are arranged in the inner liner (11), the filter cores (12) are connected with the inner wall of the inner liner (11), and intervals are reserved between the filter cores (12).
6. The automotive three-way catalyst according to claim 1, characterized in that: the flange connecting piece comprises a first flange (13) and a second flange (31), wherein the first flange (13) is arranged at pipe orifices at two ends of the ternary device main body (1) and is welded and fixed with the ternary device main body (1), the second flange (31) is arranged at one end, close to the ternary device main body (1), of the first pipe connector seat (2) and the second pipe connector seat (3) and is fixedly connected with the first pipe connector seat (2) and the second pipe connector seat (3), the first flange (13) is matched with the second flange (31), a clamping groove (14) is formed in one side, close to the second flange (31), of the first flange (13), and the clamping groove (14) is matched with an annular clamping edge formed in the side wall of the second flange (31).
7. The automotive three-way catalyst according to claim 6, characterized in that: and third flanges (23) for fixing the automobile pipeline are arranged at the ends, far away from the ternary device main body (1), of the first pipe connector seat (2) and the second pipe connector seat (3), and the two third flanges (23) are respectively welded and fixed with the first pipe connector seat (2) and the second pipe connector seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220927664.2U CN217897993U (en) | 2022-04-21 | 2022-04-21 | Automobile three-way catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220927664.2U CN217897993U (en) | 2022-04-21 | 2022-04-21 | Automobile three-way catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217897993U true CN217897993U (en) | 2022-11-25 |
Family
ID=84109824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220927664.2U Active CN217897993U (en) | 2022-04-21 | 2022-04-21 | Automobile three-way catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217897993U (en) |
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2022
- 2022-04-21 CN CN202220927664.2U patent/CN217897993U/en active Active
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