CN218953415U - Novel exhaust tail drum for 3D printing automobile - Google Patents
Novel exhaust tail drum for 3D printing automobile Download PDFInfo
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- CN218953415U CN218953415U CN202222297488.1U CN202222297488U CN218953415U CN 218953415 U CN218953415 U CN 218953415U CN 202222297488 U CN202222297488 U CN 202222297488U CN 218953415 U CN218953415 U CN 218953415U
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- exhaust tail
- tail drum
- exhaust
- purification
- main body
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- 238000010146 3D printing Methods 0.000 title claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 5
- 238000007639 printing Methods 0.000 claims abstract description 5
- 210000000867 larynx Anatomy 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 45
- 231100000331 toxic Toxicity 0.000 abstract description 7
- 230000002588 toxic effect Effects 0.000 abstract description 7
- 238000003915 air pollution Methods 0.000 abstract description 6
- 231100000252 nontoxic Toxicity 0.000 abstract description 6
- 230000003000 nontoxic effect Effects 0.000 abstract description 6
- 230000033116 oxidation-reduction process Effects 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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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
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a novel 3D printing exhaust tail drum for an automobile, which belongs to the technical field of automobile exhaust pipes, and comprises a 3D metal printing exhaust tail drum main body, tail throats and connecting pipes, wherein an air duct is fixedly connected inside the exhaust tail drum main body and is formed by spirally splicing a plurality of connecting pieces, through holes are formed in the connecting pieces, a thread groove is formed in the inner part of the exhaust tail drum main body close to one side of the front surface of the exhaust tail drum main body, limit grooves are formed in the left end and the right end of the front surface of the exhaust tail drum main body, a purification assembly is connected with the inner part of the exhaust tail drum main body close to one side of the front surface of the exhaust tail drum main body through threads, and the novel 3D printing exhaust tail drum can realize oxidation reduction of toxic and harmful gases discharged from automobile exhaust, convert the toxic and harmless gases into non-toxic and discharge the non-harmful gases to the outside, so that air pollution is greatly reduced, and meanwhile, the novel 3D printing exhaust tail drum can be quickly disassembled and installed.
Description
Technical Field
The utility model relates to the technical field of automobile exhaust pipes, in particular to a novel 3D printing exhaust tail drum for an automobile.
Background
The automobile exhaust pipe is a common part in an automobile, the exhaust pipe is a part for exhausting tail gas, and the exhaust tail drum is the last section on the automobile exhaust pipe and can be roughly divided into an S drum, an inner back pressure, a straight exhaust, a half back pressure and an elliptic flat drum.
The utility model of application number 201720629909.2 introduces a 3D printed exhaust tail drum for automobiles, which comprises: the air drum, the connecting pipe and the tail throat formed by 3D metal printing are sequentially nested and then clamped by a clamp; the guide pipe is provided with vent holes, so that the guide pipe baffle plates are mutually ventilated; the tail drum inner structure is integrally printed and connected with the wind flow guide plate. The automobile exhaust gas enters from the inlet and changes the trend of the gas according to the internal baffle, the gas is three-dimensionally discharged, the gas central area forms rotary direct discharge according to the baffle, surrounding gas forms gas back pressure rotary discharge according to the design of the baffle, finally, the gas is uniformly discharged out of the product through the tail throat, and the water retention in the gas can automatically flow out through small holes below the tail drum.
The utility model is in the use process, automobile exhaust is discharged outwards through the air drum, the connecting pipe and the tail throat in sequence, the air can flow in a three-dimensional way through the rotary design of the air guide plate in the air drum, the traditional exhaust plane flow concept is changed, the back pressure characteristic can be generated in the drum due to the increase and decrease of the exhaust torque force of the engine while three-dimensional air flows, and finally the center is directly discharged in the whole three-dimensional air flow, but the tail gas is not purified in the exhaust process of the tail gas, so that the discharged tail gas can pollute the air and influence the normal life of people.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide a novel exhaust tail drum for a 3D printing automobile, which can realize the oxidation reduction of toxic and harmful gases discharged in automobile exhaust, convert the toxic and harmful gases into nontoxic and harmless gases and discharge the toxic and harmful gases to the outside, greatly reduce air pollution, play a role in saving energy and reducing emission, and simultaneously can rapidly detach and install a purifying cylinder, so that the novel exhaust tail drum is convenient to use.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a novel exhaust tail drum for car of 3D printing, includes exhaust tail drum main part, tail larynx and the connecting pipe of 3D metal printing, the inside fixedly connected with air duct of exhaust tail drum main part, air duct is formed by a plurality of connection piece spiral concatenation, and is a plurality of all offer the through-hole on the connection piece, the inside of exhaust tail drum main part is close to rather than openly one side is equipped with the screw thread groove, the spacing groove has been seted up at both ends about the front one side of exhaust tail drum main part, the inside of exhaust tail drum main part is close to rather than openly one side threaded connection has purification module, the front one side concatenation of exhaust tail drum main part has the tail larynx, the inside fixedly connected with tuber pipe of tail larynx, a plurality of ventilation holes have been seted up on the tuber pipe, the inside of tail larynx is located the outer end fixedly connected with connecting pipe of outer end that is located the concatenation department, fixedly connected with hangers on the connecting pipe, exhaust tail drum main part, connecting pipe, tail larynx are tightly pinched with the checkpost after the nestification.
Further, a plurality of baffle equal angle uniform parts and the periphery of the air pipe.
Further, the purification assembly comprises a purification cylinder, a purification screen plate and a filter screen plate, wherein the purification cylinder is hinged to a thread groove in the exhaust tail drum main body in a thread way, the left end and the right end of the front side of the purification cylinder are rotationally connected with limiting plates, the rotation part of each limiting plate is fixedly connected with the purification cylinder through torsion springs, the purification screen plate is fixed in the purification cylinder and is close to one side of the back side of the purification cylinder, the filter screen plate is fixed in the purification cylinder and is close to one side of the front side of the purification cylinder, and the front end and the rear end of the purification cylinder are respectively communicated with the exhaust tail drum main body and the tail throat.
Furthermore, the purification screen plate is made of ceramic materials, and a catalytic coating is coated on the surface of the purification screen plate.
Further, the outer wall of the purifying cylinder is fixed with a protective shell, an insulating layer is arranged in the protective shell, and the insulating layer is made of asbestos materials.
3. Advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
(1) In the scheme, when tail gas generated by an automobile is discharged outwards through the inside of an exhaust tail drum main body, the tail gas enters the inside of a purification cylinder and passes through a purification screen plate on the purification cylinder, and a catalytic coating on the purification screen plate can increase the activities of three gases of CO, hydrocarbon and NOx so as to promote the three gases to perform a certain oxidation-reduction chemical reaction, wherein CO is oxidized into colorless and nontoxic carbon dioxide gas at a high temperature; oxidizing hydrocarbons to water and carbon dioxide at high temperatures; NOx is reduced into nitrogen and oxygen, thereby changing three harmful gases into harmless gases to be discharged outwards, and avoiding air pollution.
(2) This scheme is in the use, through the inside at exhaust tail drum main part of screw thread hinge on the purifying tube outer wall, and limiting plate on the purifying tube can deflect to both sides under torsion spring's effect, make its clamping with exhaust tail drum main part in the spacing groove, it is spacing to the purifying tube, avoid the purifying tube to produce under the circumstances of vibrations in the use and rotate the phenomenon that leads to the purifying tube to break away from exhaust tail drum main part inside and take place, the effectual stability that improves the purifying tube, and be convenient for install and dismantle the purifying tube, convenient to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of an exhaust tail drum according to the present utility model;
FIG. 4 is a schematic view of the purification assembly of the present utility model.
The reference numerals in the figures illustrate:
1. an exhaust tail drum body; 101. a thread groove; 102. a limit groove; 2. an air duct; 201. a through hole; 3. tail throat; 4. an air duct; 5. a partition plate; 6. a connecting pipe; 601. hanging lugs; 7. a purifying cylinder; 701. a limiting plate; 702. a protective shell; 8. a purification screen; 801. a catalytic coating; 9. a filter screen plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-4, a novel exhaust tail drum for 3D printing automobile comprises an exhaust tail drum main body 1, tail throats 3 and connecting pipes 6, wherein the exhaust tail drum main body 1 is fixedly connected with an air conduit 2, the air conduit 2 is formed by spirally splicing a plurality of connecting pieces, through holes 201 are formed in the connecting pieces, thread grooves 101 are formed in the inner part of the exhaust tail drum main body 1 and close to one side of the front of the exhaust tail drum main body 1, limit grooves 102 are formed in the left end and the right end of one side of the front of the exhaust tail drum main body 1, a purifying component is connected to the inner part of the exhaust tail drum main body 1 and close to one side of the front of the exhaust tail drum main body, tail throats 3 are spliced, an air pipe 4 is fixedly connected to the inner part of the tail throats 3, a plurality of ventilation holes are formed in the air pipe 4, connecting pipes 6 are fixedly connected to the outer ends of the connecting pipes 6 at the splicing positions of the front sides of the exhaust tail drum main body 1, lugs 601 are fixedly connected to the connecting pipes 6, and the exhaust tail drum main bodies 1, 6 and tail throats 3 are tightly clamped by clips after being used.
The exhaust tail drum main body 1, the connecting pipe 6 and the tail throat 3 in the scheme are all formed by 3D metal printing, and are spliced in sequence according to the sequence of the exhaust tail drum main body 1, the connecting pipe 6 and the tail throat 3.
Referring to fig. 1-2, the air duct 4 can be supported by the partition plates 5 at equal angle and around the air duct 4, so that stability of the air duct 4 is improved, and damage of the air duct 4 due to vibration in the using process of the automobile is avoided.
Referring to fig. 2-4, the purifying component comprises a purifying cylinder 7, a purifying screen 8 and a filtering screen 9, wherein the purifying cylinder 7 is in threaded connection with a threaded groove 101 in the exhaust tail drum main body 1, the left end and the right end of the front side of the purifying cylinder 7 are rotationally connected with limiting plates 701, the rotating parts of the limiting plates 701 are fixedly connected with the purifying cylinder 7 through torsion springs, the purifying screen 8 is fixed in the purifying cylinder 7 and close to the back side of the purifying cylinder 7, the filtering screen 9 is fixed in the purifying cylinder 7 and close to the front side of the purifying cylinder, the front end and the rear end of the purifying cylinder 7 are respectively communicated with the exhaust tail drum main body 1 and the tail throat 3, toxic and harmful gases in tail gas can be purified through the purifying screen 8 on the purifying cylinder 7, so that the toxic and harmful gases are converted into non-toxic and harmless gases, the air pollution is reduced, meanwhile, the filtering screen 9 can filter dust particles in tail gas, the environmental pollution is reduced, the filtering screen 9 can block dust particles in the outside air, and the dust particles in the outside air can be prevented from entering the exhaust tail drum main body 1, and the inside of the exhaust tail drum main body 1 from being damaged.
Referring to fig. 4, the purifying screen 8 is made of ceramic material, the surface of the purifying screen 8 is coated with a catalytic coating 801, the ceramic material has better heat resistance, and can not be damaged due to overhigh temperature in the long-time use process, and the catalytic coating on the purifying screen 8 can improve the activity of harmful gases in tail gas, so that the harmful gases are oxidized or reduced into nontoxic and harmless gases, and the air pollution is greatly reduced.
Referring to fig. 4, a protecting shell 702 is fixed on the outer wall of a purifying cylinder 7, a heat insulating layer is arranged in the protecting shell 702, the heat insulating layer is made of asbestos material, the purifying cylinder 7 can be protected through the protecting shell 702, the service life of the purifying cylinder 7 is prolonged, and the heat insulating layer in the protecting shell 702 can isolate and absorb heat generated during exhaust of an engine to a certain extent, so that damage to the protecting shell 702 under the condition of overhigh temperature is avoided.
In the use process, the tail gas generated by the automobile can be discharged outwards, when the discharged tail gas enters the exhaust tail drum main body 1, the air conduit 2 formed by the spiral splicing in the exhaust tail drum main body 1 can enable the discharged tail gas to flow in a three-dimensional mode, compared with the traditional plane flow, the three-dimensional flow can relieve the pressure on the inner wall of the exhaust tail drum main body 1 when the engine is exhausted, so that the tail gas is discharged outwards more stably, meanwhile, the air conduit 2 formed by the spiral splicing can reduce the noise volume generated when the engine is exhausted, when the noise propagates in the air conduit 2, a part of the noise passes through the through hole 201 and is reflected, the sound collides and rubs with the air conduit 2 in the propagation process, the sound energy is converted into heat energy, the sound energy is consumed, the noise volume generated when the engine is exhausted is reduced, then the discharged tail gas enters the inside the purifying cylinder 7, and the catalytic coating 801 on the purifying screen 8 can increase the activity of three gases of CO, hydrocarbon and NOx, so that certain oxidation-reduction chemical reaction is carried out, wherein the CO is oxidized into colorless and nontoxic carbon dioxide gas at high temperature; oxidizing hydrocarbons to water and carbon dioxide at high temperatures; NOx is reduced into nitrogen and oxygen, so that three harmful gases are changed into harmless gases to be discharged outwards through the tail throat 3, air pollution is greatly reduced, meanwhile, the filter screen plate 9 on the purifying cylinder 7 can filter dust in tail gas, and the phenomenon that the interior of the exhaust tail drum main body 1 is damaged due to the fact that particulate matters in the external air enter the interior of the exhaust tail drum main body 1 can be avoided;
and this scheme can remain a large amount of dust rubbish in long-time use, thereby can influence the ventilation nature of purifying section of thick bamboo 7 inside purifying section of thick bamboo 7, need to clear up or change purifying section of thick bamboo 7 regularly, when dismantling purifying section of thick bamboo 7, at first straighten purifying section of thick bamboo 7 both sides limiting plate 701, rotate purifying section of thick bamboo 7 afterwards, make it break away from in the screw groove 101 of the inside of exhaust tail drum main part 1, so that the staff clear up or change purifying section of thick bamboo 7, easy operation, convenient to use.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (5)
1. The utility model provides a novel exhaust tail drum for car of 3D printing, includes exhaust tail drum main part (1), tail larynx (3) and connecting pipe (6) of 3D metal printing, its characterized in that: the utility model discloses a novel exhaust tail drum comprises an exhaust tail drum body (1), a plurality of through-holes (201) are all offered on connection piece, the inside of exhaust tail drum body (1) is close to and is equipped with screw thread groove (101) rather than positive one side, limit groove (102) have been offered at both ends about the positive one side of exhaust tail drum body (1), the inside of exhaust tail drum body (1) is close to rather than positive one side threaded connection has purification module, the front one side concatenation of exhaust tail drum body (1) has tail larynx (3), the inside fixedly connected with tuber pipe (4) of tail larynx (3), a plurality of ventilation holes have been offered on tuber pipe (4), the inside of tail larynx (3) is located outer wall fixedly connected with a plurality of baffles (5) of tuber pipe (4), the outer end that the front one side of exhaust tail drum body (1) is located concatenation department is fixed with connecting pipe (6), fixedly connected with hangers (601) on connecting pipe (6), tail drum body (1), tail (6) for the clip (3) nest after.
2. The 3D printed automotive exhaust tail drum of claim 1, wherein: the plurality of baffle plates (5) are evenly arranged around the air pipe (4).
3. The 3D printed automotive exhaust tail drum of claim 1, wherein: the purification assembly comprises a purification barrel (7), a purification screen (8) and a filter screen (9), wherein the purification barrel (7) is hinged to a thread groove (101) in an exhaust tail drum main body (1) in a thread mode, limiting plates (701) are rotatably connected to the left end and the right end of the front side of the purification barrel (7), the rotation position of each limiting plate (701) is fixedly connected with the purification barrel (7) through torsion springs, the purification screen (8) is fixed inside the purification barrel (7) and is close to one side of the back side of the purification barrel, the filter screen (9) is fixed inside the purification barrel (7) and is close to one side of the front side of the purification barrel, and the front end and the rear end of the purification barrel (7) are respectively communicated with the exhaust tail drum main body (1) and the tail throat (3).
4. A 3D printed automotive exhaust tail drum according to claim 3, characterized in that: the purification screen plate (8) is made of ceramic materials, and a catalytic coating (801) is coated on the surface of the purification screen plate (8).
5. A 3D printed automotive exhaust tail drum according to claim 3, characterized in that: the outer wall of the purification barrel (7) is fixed with a protective shell (702), a heat insulation layer is arranged in the protective shell (702), and the heat insulation layer is made of asbestos materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222297488.1U CN218953415U (en) | 2022-08-31 | 2022-08-31 | Novel exhaust tail drum for 3D printing automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222297488.1U CN218953415U (en) | 2022-08-31 | 2022-08-31 | Novel exhaust tail drum for 3D printing automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218953415U true CN218953415U (en) | 2023-05-02 |
Family
ID=86104289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222297488.1U Active CN218953415U (en) | 2022-08-31 | 2022-08-31 | Novel exhaust tail drum for 3D printing automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218953415U (en) |
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2022
- 2022-08-31 CN CN202222297488.1U patent/CN218953415U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240118 Address after: Room 150-2, Building B3, Phase I, Changchun Beihu Science and Technology Park, No. 3333 Shengbei Street, Beihu Science and Technology Development Zone, Changchun City, Jilin Province, 130102 Patentee after: Changchun Chengxin Additive Manufacturing Co.,Ltd. Address before: 130000, 17th Floor, Zhongguancun Innovation Center, Changchun, Jilin Province, China Patentee before: Jilin Huayin 3D Digital Technology Co.,Ltd. |