CN211692618U - Heat preservation type shock attenuation front exhaust pipe - Google Patents
Heat preservation type shock attenuation front exhaust pipe Download PDFInfo
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- CN211692618U CN211692618U CN202020342052.8U CN202020342052U CN211692618U CN 211692618 U CN211692618 U CN 211692618U CN 202020342052 U CN202020342052 U CN 202020342052U CN 211692618 U CN211692618 U CN 211692618U
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- exhaust pipe
- pipe body
- main part
- heat insulation
- flexible
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- 238000004321 preservation Methods 0.000 title claims abstract description 22
- 230000035939 shock Effects 0.000 title abstract description 9
- 238000005253 cladding Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 34
- 230000013011 mating Effects 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses an exhaust pipe before heat preservation type shock attenuation, including the exhaust pipe body that is the multistage structure of buckling, the flexible festival main part of connecting the exhaust pipe body and a set of stable connecting piece of connecting the exhaust pipe body, the top of exhaust pipe body is constructed with the air inlet flange, and flexible festival main part welds the one end of keeping away from the air inlet flange in the exhaust pipe body, the exhaust pipe body has thermal-insulated structure with the equal cladding in periphery of flexible festival main part, one side that the exhaust pipe body was kept away from to flexible festival main part is through a set of connecting pipe welded connection a set of gas outlet flange, stabilize the connecting piece including connecting in the connection clamp that the exhaust pipe body outer fringe face is close to flexible festival main part one side to and the fixed bolster of clamp installation is connected in the cooperation, the thermal-insulated structure of the peripheral cladding. This heat preservation type shock attenuation front exhaust pipe is rational in infrastructure, easily realizes the shock attenuation and effectively keeps warm, guarantees GPF or DPF burning more abundant, and the environmental protection is reliable.
Description
Technical Field
The utility model belongs to the technical field of the blast pipe, concretely relates to heat preservation type shock attenuation front exhaust pipe.
Background
The exhaust pipe is part of an engine exhaust system which mainly comprises an exhaust manifold, an exhaust pipe and a muffler, and a three-way catalyst, which is generally used for controlling the emission of pollutants of the engine, is also arranged in the exhaust system, and the exhaust pipe generally comprises a front exhaust pipe and a rear exhaust pipe.
With the development of modern science and technology, the pollution of automobile exhaust to the environment is increasingly serious, so that the requirement of an automobile exhaust system is higher and higher, and the heat preservation of an exhaust front pipe is more important to a new emission standard.
The traditional front pipe is long in straight line length and is not provided with an external heat-preservation heat-insulation package, so that newly-increased GPF or DPF of an exhaust system is insufficiently combusted. And because the rear end pipeline is heavier and is rigidly fixed, the engine outputs vibration force when working, and the larger vibration is transmitted to the rear exhaust pipe to cause the vibration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exhaust pipe before heat preservation type shock attenuation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a heat preservation type damping front exhaust pipe comprises an exhaust pipe body in a multi-section bending structure, a flexible joint main body connected with the exhaust pipe body and a group of stable connecting pieces connected with the exhaust pipe body;
the top of exhaust pipe body is constructed there is the air inlet flange, and flexible festival main part welds in the one end that the air inlet flange was kept away from to the exhaust pipe body, the periphery of exhaust pipe body and flexible festival main part all wraps has thermal-insulated structure, one side that the exhaust pipe body was kept away from to flexible festival main part is through a set of connecting pipe welded connection a set of gas outlet flange.
Preferably, the stabilizing connecting piece comprises a connecting hoop connected to one side, close to the flexible joint main body, of the outer edge surface of the exhaust pipe body, and a fixing support installed by matching with the connecting hoop.
Preferably, the heat insulation structure for covering the periphery of the exhaust pipe body comprises two groups of pipe body heat insulation sleeves, wherein the two groups of pipe body heat insulation sleeves are covered on the outer side of the exhaust pipe body, grooves are formed in the positions, corresponding to the installation positions of the stable connecting pieces, of the pipe body heat insulation sleeves, and heat insulation cotton abutted to the outer edge face of the exhaust pipe body is arranged in the two groups of pipe body heat insulation sleeves.
Preferably, the heat insulation structure coated on the periphery of the flexible joint main body is a group of annular flexible joint heat insulation sleeves, and heat insulation cotton abutted to the outer edge face of the flexible joint main body is arranged in each flexible joint heat insulation sleeve.
Preferably, the connection clamp is the ring shape structure of inner structure body cooperation passageway, and the outer fringe face of connection clamp has seted up the technology groove between two parties, the tip structure of connection clamp has two sets of engaging lugs, and two sets of first bolt mating holes have been seted up on the engaging lug.
Preferably, the both ends structure of fixed bolster has the slant to buckle, the second bolt mating holes of a set of cooperation bolted connection first bolt mating holes are seted up towards one side of connecting the clamp to the fixed bolster, and two sets of bolted connection holes have been seted up to one side that the clamp was kept away from to the fixed bolster.
The utility model discloses a technological effect and advantage: according to the heat-preservation type damping front exhaust pipe, the pipe body heat-preservation sleeve is arranged outside the exhaust pipe body, the flexible joint heat-preservation sleeve is arranged outside the flexible joint main body, heat preservation of a pipeline is effectively achieved, the temperature difference between the air inlet end and the air outlet end is reduced, and GPF or DPF can be combusted more fully; the flexible joint main body is arranged on one side, away from the air inlet flange, of the exhaust pipe body, and the flexible joint main body of the corrugated pipe structure can effectively reduce the conduction of the amplitude of an engine and reduce the vibration of a rear exhaust pipe connected with the rear portion.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the connector clip of the present invention;
fig. 5 is a schematic view of the fixing bracket of the present invention.
In the figure: the exhaust pipe comprises an exhaust pipe body 1, a 101 pipe body heat insulation sleeve, a 102 air inlet flange, a 2 flexible joint main body, a 201 flexible joint heat insulation sleeve, a 3 connecting pipe, a 301 air outlet flange, a 4 stable connecting piece, a 5 connecting hoop, a 501 pipe body matching channel, a 502 process groove, a 6 connecting lug, a 601 first bolt matching hole, a 7 fixing support, a 701 second bolt matching hole and a 702 bolt connecting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a heat preservation type damping front exhaust pipe as shown in figures 1-5, which comprises an exhaust pipe body 1 with a multi-section bending structure, a flexible joint main body 2 connected with the exhaust pipe body 1 and a group of stable connecting pieces 4 connected with the exhaust pipe body 1;
the top of exhaust pipe body 1 is constructed with air inlet flange 102, and flexible festival main part 2 welds the one end of keeping away from air inlet flange 102 in exhaust pipe body 1, exhaust pipe body 1 and the peripheral equal cladding of flexible festival main part 2 have thermal-insulated structure, thermal-insulated structure is including setting up in the outer body insulation cover 101 of exhaust pipe body 1 and setting up in the outer flexible festival insulation cover 201 of flexible festival main part 2, through set up body insulation cover 101 outside exhaust pipe body 1 and set up flexible festival insulation cover 201 outside flexible festival main part 2, effectively realize the heat preservation of pipeline, the difference in temperature of inlet end and outlet end has been reduced, make GPF or DPF burning more abundant, one side that exhaust pipe body 1 was kept away from to flexible festival main part 2 is through a set of 3 welded connection gas outlet flanges 301 of a set of connecting pipe.
Specifically, the stable connecting piece 4 comprises a connecting hoop 5 connected to one side, close to the flexible joint main body 2, of the outer edge surface of the exhaust pipe body 1 and a fixing support 7 installed in a matched mode with the connecting hoop 5;
the connecting hoop 5 is of a circular structure with an internal structure pipe body matching channel 501, a process groove 502 is formed in the middle of the outer edge surface of the connecting hoop 5, two groups of connecting lugs 6 are formed at the end part of the connecting hoop 5, and first bolt matching holes 601 are formed in the two groups of connecting lugs 6;
the both ends of fixed bolster 7 are constructed there is the slant to buckle, fixed bolster 7 has seted up the second bolt mating holes 701 of a set of cooperation bolted connection first bolt mating holes 601 towards one side of connecting clamp 5, and fixed bolster 7 keeps away from one side of connecting clamp 5 and has seted up two sets of bolted connection holes 702.
Specifically, the heat insulation structure of the outer cladding of the exhaust pipe body 1 comprises a pipe body heat insulation sleeve 101, wherein the pipe body heat insulation sleeve 101 is connected to the outer side of the exhaust pipe body 1 in a covering mode through two sets of die closing covers, a groove is formed in the position, corresponding to the installation position of the stable connecting piece 4, of the pipe body heat insulation sleeve 101, and heat insulation cotton abutted to the outer edge face of the exhaust pipe body 1 is arranged in the pipe body heat insulation sleeve.
Specifically, the peripheral cladding's of flexible festival main part 2 thermal-insulated structure is a set of annular flexible festival insulation cover 201 that is, and flexible festival main part 2 adopts the bellows structure, be provided with the thermal-insulated cotton of the flexible festival main part 2 outer fringe face of butt in the flexible festival insulation cover 201, the conduction of engine amplitude can effectively be reduced to flexible festival main part 2 to reduce the vibrations of the back blast pipe that the rear is connected.
The working principle of the heat-preservation type damping front exhaust pipe is that an exhaust pipe body 1 and a flexible joint main body 2 are welded firstly when the heat-preservation type damping front exhaust pipe is installed, a connecting pipe 3 matched with an air outlet flange 301 is welded at one end, far away from the exhaust pipe body 1, of the flexible joint main body 2, a connecting hoop 5 is hooped at one side, facing towards the exhaust pipe body 1, of the flexible joint main body 2, the direction of a connecting lug 6 constructed on the connecting hoop 5 is consistent with the extending direction of one side, far away from the air inlet flange 102, of the exhaust pipe body 1, at the moment, a second bolt matching hole 701 at the bottom of a connecting and fixing support 7 is matched with a first bolt matching hole 601 formed in the connecting lug 6, fastening is realized through matching of bolts and nuts, finally, a pipe body heat-preservation sleeve 101 is coated outside the exhaust pipe body 1, a flexible joint heat-preservation sleeve 201 is coated outside the flexible joint main body 2, the front exhaust pipe is assembled, the, effectively realize the heat preservation of pipeline, the difference in temperature of inlet end and the end of giving vent to anger has been reduced, make GPF or DPF burning more abundant, and exhaust pipe body 1 keeps away from air inlet flange 102 one side and is provided with flexible festival main part 2, the conduction of engine amplitude can effectively be reduced to the flexible festival main part 2 of bellows structure, reduce the vibrations of rear exhaust pipe that the rear is connected, exhaust pipe is rational in infrastructure before this heat preservation type shock attenuation, easily realize the shock attenuation and effectively keep warm, guarantee GPF or DPF burning more abundant, the environmental protection is reliable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A heat preservation type damping front exhaust pipe comprises an exhaust pipe body (1) with a multi-section bending structure, a flexible joint main body (2) connected with the exhaust pipe body (1) and a group of stable connecting pieces (4) connected with the exhaust pipe body (1);
the method is characterized in that: the top of exhaust pipe body (1) is constructed with air inlet flange (102), and flexible festival main part (2) weld in the one end that air inlet flange (102) were kept away from in exhaust pipe body (1), the periphery of exhaust pipe body (1) and flexible festival main part (2) all wraps has thermal-insulated structure, one side that exhaust pipe body (1) was kept away from in flexible festival main part (2) is through a set of connecting pipe (3) welded connection a set of gas outlet flange (301).
2. The insulated, shock-absorbing front exhaust duct of claim 1, wherein: stabilize connecting piece (4) including connecting in exhaust pipe body (1) outer fringe face and being close to connection clamp (5) of flexible festival main part (2) one side to and fixed bolster (7) that clamp (5) were connected in the cooperation were installed.
3. The insulated, shock-absorbing front exhaust duct of claim 1, wherein: the heat insulation structure for the outer cladding of the exhaust pipe body (1) comprises a pipe body heat insulation sleeve (101) which is covered and connected outside the exhaust pipe body (1) through two sets of dies, a groove is formed in the position, corresponding to the installation position of the stable connecting piece (4), of the pipe body heat insulation sleeve (101), and heat insulation cotton which is abutted to the outer edge face of the exhaust pipe body (1) is arranged in the pipe body heat insulation sleeve (101).
4. The insulated, shock-absorbing front exhaust duct of claim 1, wherein: the heat insulation structure of the peripheral cladding of the flexible joint main body (2) is a group of annular flexible joint heat insulation sleeves (201), and heat insulation cotton abutted against the outer edge surfaces of the flexible joint main body (2) is arranged in the flexible joint heat insulation sleeves (201).
5. The heat-insulating shock-absorbing front exhaust pipe according to claim 2, wherein: connect clamp (5) and be the ring structure of inner structure body cooperation passageway (501), and connect the outer fringe face of clamp (5) and seted up technology groove (502) between two parties, the tip of connecting clamp (5) is constructed and is had two sets of engaging lug (6), and two sets of first bolt mating holes (601) have been seted up on engaging lug (6).
6. The heat-insulating shock-absorbing front exhaust pipe according to claim 2, wherein: the both ends of fixed bolster (7) are constructed there is the obliquely buckle, second bolt mating holes (701) of a set of cooperation bolted connection first bolt mating holes (601) are seted up towards one side of connecting clamp (5) in fixed bolster (7), and two sets of bolted connection holes (702) have been seted up to one side that connection clamp (5) were kept away from in fixed bolster (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342052.8U CN211692618U (en) | 2020-03-18 | 2020-03-18 | Heat preservation type shock attenuation front exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342052.8U CN211692618U (en) | 2020-03-18 | 2020-03-18 | Heat preservation type shock attenuation front exhaust pipe |
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| Publication Number | Publication Date |
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| CN211692618U true CN211692618U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020342052.8U Active CN211692618U (en) | 2020-03-18 | 2020-03-18 | Heat preservation type shock attenuation front exhaust pipe |
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| CN (1) | CN211692618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339174A (en) * | 2021-06-18 | 2021-09-03 | 广西玉柴机器股份有限公司 | Fuel oil heating method for diesel power generation power assembly |
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2020
- 2020-03-18 CN CN202020342052.8U patent/CN211692618U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339174A (en) * | 2021-06-18 | 2021-09-03 | 广西玉柴机器股份有限公司 | Fuel oil heating method for diesel power generation power assembly |
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