CN114135381A - Heat insulating board, heat insulating board mounting structure and vehicle - Google Patents
Heat insulating board, heat insulating board mounting structure and vehicle Download PDFInfo
- Publication number
- CN114135381A CN114135381A CN202111440366.7A CN202111440366A CN114135381A CN 114135381 A CN114135381 A CN 114135381A CN 202111440366 A CN202111440366 A CN 202111440366A CN 114135381 A CN114135381 A CN 114135381A
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- Prior art keywords
- heat insulation
- insulation plate
- mounting
- hole
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
- F01N13/141—Double-walled exhaust pipes or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a heat insulation plate, a heat insulation plate mounting structure and a vehicle. The heat insulation plate comprises a heat insulation plate body, installation parts are arranged on the left side and the right side of the heat insulation plate body, the installation parts are of a double-layer structure formed by flanging the edge of the heat insulation plate body, and a flow guide part is formed in the front edge of the heat insulation plate body and used for guiding flowing gas and reducing acting force of the gas on the outer portion of the heat insulation plate. The invention also provides a heat insulation board mounting structure which comprises the heat insulation board. The invention also provides a vehicle comprising the heat insulation plate mounting structure. The invention solves the problems that the existing heat insulation plate has poor reliability of the installation point, so that the installation point is cracked, the strength is not enough, and the heat insulation plate falls off.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a heat insulation plate, a heat insulation plate mounting structure and a vehicle.
Background
The heat insulation board has a good function of insulating the heat of the exhaust pipe, can effectively protect peripheral parts, and is widely applied to the automobile industry. When the automobile exhaust pipe works, the temperature of the automobile exhaust pipe is high, and surrounding parts are easily damaged, so that the heat insulation plate plays a vital role in the safety of the whole automobile.
In the prior art, the aluminum plate is light, good in heat dissipation performance and corrosion-resistant, is commonly used for the heat insulation plate of the automobile exhaust pipe, but the aluminum plate is large in brittleness and low in ductility, so that the defects of high rejection rate and high cost exist. Simultaneously, in order to improve the intensity of heat insulating board, in process of production, can process into the stamp aluminum plate who has concave-convex point with aluminum plate, can be because the installation face need keep being the plane for stamp aluminum plate that originally has concave-convex point and intensity is better is pressed into the plane in the installation point position, leads to installation point intensity to weaken, thereby makes marginal installation point fracture, and then causes droing of heat insulating board. And the heat insulation plate is usually arranged in invisible areas such as between the exhaust pipe and the vehicle body and between the exhaust pipe and the chassis part, so that the heat insulation plate is difficult to detect when a fault occurs, and the driving safety is greatly influenced.
In addition, with the steady development of the domestic automobile industry, the efficiency of the engine is continuously improved, and the running speed of the automobile is greatly changed compared with the prior art, so that the strength of the heat insulation plate and the reliability of the installation point of the heat insulation plate under multiple working conditions are more important.
Disclosure of Invention
The invention aims to provide a heat insulation plate, a heat insulation plate mounting structure and a vehicle, and aims to solve the problems that the conventional heat insulation plate is poor in reliability of a mounting point, so that the mounting point is cracked, the strength is insufficient, and the heat insulation plate falls off.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a heat insulating board, includes the heat insulating board body, both sides have the installation department about the heat insulating board body, and installation department is right the edge of heat insulating board body carries out the bilayer structure that the turn-ups formed, the front of heat insulating board body is formed with water conservancy diversion portion for gas to flowing through carries out the water conservancy diversion, reduces the gaseous effort to the heat insulating board outside.
Preferably, the flow guide part is of an arc-shaped structure gradually descending from front to back;
and reinforcing ribs are also formed in the middle of the heat insulation plate body.
Preferably, the heat insulating board body is of a rectangular structure, two mounting parts are symmetrically arranged on two sides of the heat insulating board body respectively, one mounting hole and one positioning mounting hole are formed in each mounting part, a second positioning mounting hole and two mounting via holes are formed in each mounting part, and the first positioning mounting holes and the second positioning mounting holes are distributed in a diagonal line mode.
Preferably, the first positioning mounting hole and the mounting through hole on the mounting part of the double-layer structure formed by the flanging are circular holes, and the second positioning mounting hole is a strip-shaped hole;
the radius of the outer hole of the first positioning mounting hole and the radius of the outer hole of the mounting through hole in the double-layer structure formed by the flanging are larger than that of the inner hole.
The invention also provides a heat insulation plate mounting structure which comprises a front floor and the heat insulation plate, wherein the heat insulation plate body is mounted on the reinforcing longitudinal beam through the mounting parts on the two sides, and the reinforcing longitudinal beam is welded on the front floor.
Preferably, a reinforcing beam is further arranged in the middle between the heat insulation board body and the front floor.
Preferably, the installation part passes through a first positioning installation hole, a second positioning installation hole and an installation via hole through bolts respectively and is connected with the reinforcing longitudinal beam, and the reinforcing longitudinal beam is welded on the front floor.
Preferably, the nut matched with the bolt is a nut with a washer, and the flanging length of the mounting part is larger than the diameter of the washer.
Preferably, a gap L1 between a flow guide part formed on the front side of the heat insulation plate body and the front floor is 6-8 mm;
the thickness of the heat insulation plate body is 0.4-0.5 mm.
The invention also provides a vehicle comprising the heat insulation board mounting structure.
The invention has the beneficial effects that:
1) according to the heat insulation plate, the edge of the heat insulation plate body is turned over to form the installation part with the double-layer structure, so that the reliability of the installation point is guaranteed, and meanwhile, the flow guide part is formed in the front side of the heat insulation plate body, so that gas flowing through the heat insulation plate body smoothly passes through a vehicle in the running process, the acting force of airflow on the outside of the heat insulation plate is reduced, the reliability of the heat insulation plate body is improved, the driving safety is guaranteed, and the heat insulation plate has the advantages of being simple in production process and low in cost. The problems that the existing heat insulation plate is poor in reliability of a mounting point, so that the mounting point is cracked, the strength is insufficient, and the heat insulation plate falls off are solved;
2) according to the heat insulation plate, the flow guide part is of the arc-shaped structure which gradually descends from front to back, when a vehicle runs, the gradually descending arc-shaped structure guides and integrates flowing gas, so that the gas smoothly circulates, the acting force of the gas on the outer part of the heat insulation plate is reduced, the reliability of the heat insulation plate body is improved, and the reinforcing ribs are formed in the middle of the heat insulation plate body to further improve the overall rigidity of the heat insulation plate;
3) according to the heat insulation board, the first positioning mounting holes and the second positioning mounting holes which are distributed in a diagonal manner are formed in the heat insulation board body, so that the positioning requirement of the heat insulation board body is ensured, and the mounting requirement of the heat insulation board and a front floor is met; meanwhile, the second positioning mounting holes are designed into strip-shaped holes, so that the mounting requirements are ensured, and errors caused by manufacturing tolerance are made up;
4) according to the heat insulation plate, the radius of the outer hole at the first positioning mounting hole and the mounting through hole on the mounting part of the double-layer structure formed by the flanging is set to be larger than that of the inner hole, so that the outer hole is prevented from shielding the inner hole due to manufacturing tolerance;
5) according to the heat insulation board mounting structure, the nut with the washer is adopted for assembly, and meanwhile, the flanging length of the mounting part is larger than the diameter of the washer, so that the contact tightness of the heat insulation board and the reinforcing longitudinal beam is ensured, and the assembly stability of the heat insulation board and a vehicle body is improved;
6) according to the heat insulation board mounting structure, the gap L1 between the flow guide part formed on the front side of the heat insulation board body and the front floor is set to be 6-8 mm, so that the air inlet amount entering between the heat insulation board body and the front floor is reduced, the heat insulation board body is prevented from being close to the front floor to generate collision abnormal sound, and the heat insulation board mounting structure has popularization and application values in the technical field of automobile accessories.
Drawings
FIG. 1 is a schematic view of the construction of the heat shield of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic structural view of a heat shield installation structure of the present invention;
FIG. 4 is an exploded view of the heat shield mounting structure of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 6 is a cross-sectional view taken along line C-C of fig. 3.
The heat insulation plate comprises a heat insulation plate body, a mounting part 101, a flow guide part 102, a reinforcing rib 103, a first positioning mounting hole 104, a second positioning mounting hole 105 and a mounting through hole 106; 2-front floor; 3-reinforcing the longitudinal beam; 4-reinforcing the cross beam; 5-bolt; 6-a nut; 7-air bag.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure herein, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings and preferred embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
As shown in fig. 1 and 2, the heat insulation board comprises a heat insulation board body 1, wherein mounting portions 101 are arranged on the left side and the right side of the heat insulation board body 1, the mounting portions 101 are of a double-layer structure formed by flanging the edge of the heat insulation board body 1, and a flow guide portion 102 is formed in the front edge of the heat insulation board body 1 and used for guiding gas flowing through and reducing acting force of the gas on the heat insulation board.
The edge of the heat insulation plate body is turned over to form the installation part with a double-layer structure, so that the reliability of the installation point is guaranteed, and meanwhile, the flow guide part is formed in the front edge of the heat insulation plate body, so that gas flowing through the heat insulation plate body smoothly passes through a vehicle in the operation process, the acting force of airflow on the outside of the heat insulation plate is reduced, the reliability of the heat insulation plate body is improved, the driving safety is guaranteed, and the heat insulation plate has the advantages of being simple in production process and low in cost. The problem of current heat insulating board have the reliability of mounting point poor, lead to the mounting point fracture to and intensity is not enough, and then arouses the heat insulating board to drop is solved.
The heat insulation plate in the embodiment is suitable for an engine exhaust pipe.
The flow guide part 102 is of an arc-shaped structure gradually descending from front to back; the middle part of the heat insulation board body 1 is also provided with a reinforcing rib 103.
Through establishing into the arc structure that descends backward gradually in the past with water conservancy diversion portion, when the vehicle at the operation in-process, the arc structure that descends gradually carries out water conservancy diversion and integration to the gas of flowing through for gaseous smooth and easy circulation has reduced gaseous effort to the heat insulating board outside, thereby has promoted the reliability of heat insulating board body, forms the strengthening rib at the middle part of heat insulating board body simultaneously, with the whole rigidity intensity of further promotion heat insulating board.
In this embodiment, the flow guide portion having the arc-shaped structure is formed by integral press molding. The method adopts integral punch forming, and has the advantages of simple process, convenient operation and low production cost.
The heat insulation board body 1 is of a rectangular structure, two installation parts 101 are symmetrically arranged on two sides of the heat insulation board body, a first positioning installation hole 104 is formed in one installation part 101, a second positioning installation hole 105 is formed in one installation part 101, installation through holes 106 are formed in the two installation parts 101, and the first positioning installation hole 104 and the second positioning installation hole 105 are distributed in a diagonal line mode.
The first positioning mounting hole and the second positioning mounting hole which are distributed in a diagonal line are formed in the heat insulation plate body, so that the positioning requirement of the heat insulation plate body is guaranteed, and the mounting requirement of the heat insulation plate and a front floor is met.
In this embodiment, the first positioning mounting hole is a primary positioning mounting hole, and the second positioning mounting hole is a secondary positioning mounting hole.
The first positioning mounting hole 104 and the mounting through hole 106 on the mounting part 101 of the double-layer structure formed by flanging are circular holes, and the second positioning mounting hole 105 is a strip-shaped hole;
the radius of the outer hole at the first positioning mounting hole 104 and the mounting through hole 106 on the mounting part 101 of the double-layer structure formed by flanging is larger than that of the inner hole.
Through establishing into the bar hole with second location mounting hole, both guaranteed the installation requirement, compensatied again because of the error that manufacturing tolerance produced, simultaneously, establish into through the first location mounting hole on the mounting portion of the bilayer structure that will turn-ups formation and the outer hole radius of installation cross bore department and be greater than the hole radius, avoided because of manufacturing tolerance, the hole is shielded to the outer hole.
In the embodiment, the difference R1 between the radius of the outer hole and the radius of the inner hole is 1.5-2 mm.
As shown in fig. 3 to 6, the present embodiment further provides a heat insulation board mounting structure, which includes a front floor board 2 and the heat insulation board of the present embodiment, wherein the heat insulation board body 1 is mounted on the reinforcing longitudinal beam 3 through the mounting portions 101 at both sides, and the reinforcing longitudinal beam 3 is welded on the front floor board 2.
And a reinforcing beam 4 is arranged in the middle between the heat insulation board body 1 and the front floor 2.
The mounting parts 101 are respectively connected with the reinforcing longitudinal beam 3 through bolts 5 penetrating through the first positioning mounting holes 104, the second positioning mounting holes 105 and the mounting through holes 106, and the reinforcing longitudinal beam 3 is welded on the front floor 2.
The nut 6 matching with the bolt 5 is a nut with a washer, and the flanging length of the mounting part 101 is larger than the diameter of the washer.
Through adopting the nut of taking the packing ring to assemble, make the turn-ups length of installation department be greater than the diameter of packing ring simultaneously, guaranteed the leakproofness of heat insulating board with strengthen the longeron contact to the steadiness of heat insulating board with the automobile body assembly has been improved.
In the embodiment, the difference R2+ R3 between the flanging length of the mounting part and the diameter of the washer is 8-10 mm.
A gap L1 between the flow guide part 102 formed on the front side of the heat insulation board body 1 and the front floor 2 is 6-8 mm;
the thickness of the heat insulation board body 1 is 0.4-0.5 mm.
A gap L1 between a flow guide part formed in the front edge of the heat insulation board body and the front floor is set to be 6-8 mm, so that the air inlet amount entering between the heat insulation board body and the front floor is reduced, and the phenomenon that the heat insulation board body is too close to the front floor to generate collision abnormal sound is avoided.
The front edge of the existing heat insulation plate is not provided with an arc-shaped flow guide part, so that airflow passing through the lower part of the heat insulation plate forms a larger acting force on the heat insulation plate in the running process of a vehicle, the stress of the heat insulation plate is increased, the heat insulation plate is easy to damage and fall off, the service life of the heat insulation plate is shortened, and the heat insulation plate is arranged in an invisible area below a front floor, so that the heat insulation plate is difficult to detect when a fault occurs, and the driving safety is greatly influenced; meanwhile, the front edge of the heat insulation plate is not provided with the arc-shaped flow guide part, so that the space gap between the heat insulation plate and the front floor is larger, the gas flow entering the space between the heat insulation plate and the front floor is greatly increased, the beam is arranged in the middle of the heat insulation plate and the front floor, so that the gas is blocked, the gas bag 7 is formed by circling around, the acting force on the heat insulation plate is further increased, and the heat insulation plate is easy to fall off. In this application, establish into curved water conservancy diversion portion through the front with the heat insulating board body, both carried out the water conservancy diversion to the gas through the heat insulating board below, reduced the distance between heat insulating board top and the preceding floor again to reduce the intake that gets into between heat insulating board body and the preceding floor, thereby greatly reduced the effort of gas to the heat insulating board. Simultaneously, can reduce thermal-insulated board thickness to 0.4~0.5mm, through actual detection and analysis, it still can satisfy the strength requirement to further reduced the raw materials cost, consequently, through the simple stamping forming to the heat insulating board, can greatly reduced gaseous effort to the heat insulating board, improve the intensity and the life of heat insulating board, reduction in production cost.
The embodiment also provides a vehicle which comprises the heat insulation plate mounting structure in the embodiment.
According to the heat insulation plate, firstly, the edge of the heat insulation plate body is flanged to form the installation part with a double-layer structure, so that the reliability of the installation point is guaranteed, and meanwhile, the flow guide part is formed in the front side of the heat insulation plate body, so that gas flowing through the heat insulation plate body smoothly passes through a vehicle in the running process, and the acting force of airflow on the outside of the heat insulation plate is reduced, so that the reliability of the heat insulation plate body is improved, the driving safety is guaranteed, and the heat insulation plate has the advantages of simple production process and low cost. The problems that the existing heat insulation plate is poor in reliability of a mounting point, so that the mounting point is cracked, the strength is insufficient, and the heat insulation plate falls off are solved; secondly, the flow guide part is designed into an arc-shaped structure which gradually descends from front to back, and when a vehicle runs, the gradually descending arc-shaped structure guides and integrates flowing gas, so that the gas smoothly circulates, the acting force of the gas on the outside of the heat insulation plate is reduced, the reliability of the heat insulation plate body is improved, and meanwhile, reinforcing ribs are formed in the middle of the heat insulation plate body, so that the overall rigidity of the heat insulation plate is further improved; thirdly, the first positioning mounting holes and the second positioning mounting holes which are distributed in a diagonal manner are formed in the heat insulation board body, so that the positioning requirement of the heat insulation board body is ensured, and the mounting requirement of the heat insulation board and a front floor is met; meanwhile, the second positioning mounting holes are designed into strip-shaped holes, so that the mounting requirements are ensured, and errors caused by manufacturing tolerance are made up; finally, the radius of the outer hole at the first positioning mounting hole and the mounting through hole on the mounting part of the double-layer structure formed by the flanging is set to be larger than that of the inner hole, so that the outer hole is prevented from shielding the inner hole due to manufacturing tolerance.
According to the heat insulation board mounting structure and the vehicle, the nut with the washer is adopted for assembly, and meanwhile, the flanging length of the mounting part is larger than the diameter of the washer, so that the contact tightness of the heat insulation board and the reinforcing longitudinal beam is ensured, and the assembly stability of the heat insulation board and a vehicle body is improved; a gap L1 between a flow guide part formed in the front edge of the heat insulation board body and the front floor is set to be 6-8 mm, so that the air inlet amount entering between the heat insulation board body and the front floor is reduced, and the heat insulation board body is prevented from being close to the front floor to generate collision abnormal sound.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention.
Claims (10)
1. The heat insulation plate is characterized by comprising a heat insulation plate body (1), wherein installation parts (101) are arranged on the left side and the right side of the heat insulation plate body (1), the installation parts (101) are right, the edge of the heat insulation plate body (1) is flanged to form a double-layer structure, a flow guide part (102) is formed in the front edge of the heat insulation plate body (1) and used for guiding flowing gas and reducing acting force of the gas on the outer portion of the heat insulation plate.
2. A heat shield according to claim 1, wherein said deflector (102) is of arcuate configuration descending from front to back;
and reinforcing ribs (103) are also formed in the middle of the heat insulation plate body (1).
3. A heat insulation board according to claim 1, wherein the heat insulation board body (1) is rectangular, two of the installation parts (101) are symmetrically arranged on two sides of the heat insulation board body, one of the installation parts (101) is provided with a first positioning installation hole (104), the other of the installation parts (101) is provided with a second positioning installation hole (105), two of the installation parts (101) are provided with installation via holes (106), and the first positioning installation hole (104) and the second positioning installation hole (105) are diagonally distributed.
4. A heat shield according to claim 3, wherein the first positioning mounting hole (104) and the mounting through hole (106) of the double-layer structure mounting part (101) formed by flanging are circular holes, and the second positioning mounting hole (105) is a strip-shaped hole;
the radius of an outer hole at a first positioning mounting hole (104) and a mounting through hole (106) on a mounting part (101) of a double-layer structure formed by flanging is larger than that of an inner hole.
5. A heat-insulating board mounting structure comprising a front floor (2), characterized by further comprising a heat-insulating board according to any one of claims 1 to 4, wherein the heat-insulating board body (1) is mounted to a reinforcing side member (3) through the mounting portions (101) on both sides, and the reinforcing side member (3) is welded to the front floor (2).
6. A heat shield installation structure according to claim 5, wherein a reinforcing cross member (4) is further provided in the middle between said heat shield body (1) and said front floor (2).
7. A heat shield mounting structure according to claim 5, wherein said mounting portion (101) is connected to said reinforcing longitudinal beam (3) through a first positioning mounting hole (104), a second positioning mounting hole (105) and a mounting via hole (106) by means of bolts (5), respectively, said reinforcing longitudinal beam (3) being welded to said front floor (2).
8. A heat shield mounting structure according to claim 7, wherein the nut (6) fitted to the bolt (5) is a nut with washer, and the length of the flange of the mounting portion (101) is larger than the diameter of the washer.
9. A heat-insulating board mounting structure according to claim 5, wherein a clearance L1 between a deflector (102) formed at the front edge of the heat-insulating board body (1) and the front floor (2) is 6 to 8 mm;
the thickness of the heat insulation plate body (1) is 0.4-0.5 mm.
10. A vehicle characterized by comprising the heat shield mounting structure according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440366.7A CN114135381B (en) | 2021-11-30 | 2021-11-30 | Heat insulating board, heat insulating board mounting structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440366.7A CN114135381B (en) | 2021-11-30 | 2021-11-30 | Heat insulating board, heat insulating board mounting structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114135381A true CN114135381A (en) | 2022-03-04 |
| CN114135381B CN114135381B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111440366.7A Active CN114135381B (en) | 2021-11-30 | 2021-11-30 | Heat insulating board, heat insulating board mounting structure and vehicle |
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| Country | Link |
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| CN (1) | CN114135381B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263514A (en) * | 2022-06-21 | 2022-11-01 | 陈华清 | Anti-scalding device of motorcycle silencer |
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| US20200298914A1 (en) * | 2017-09-28 | 2020-09-24 | Mazda Motor Corporation | Vehicle underbody structure |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781536A1 (en) * | 1998-07-21 | 2000-01-28 | Aries Ind Structure | Thermal screen for fitting between exhaust pipe and underside of body of motor vehicles is fitted on screwed rod supports |
| US20130068554A1 (en) * | 2011-09-21 | 2013-03-21 | Honda Motor Co., Ltd. | Muffler system with protector for small-sized vehicle |
| DE202011106603U1 (en) * | 2011-09-26 | 2012-10-18 | Reinz-Dichtungs-Gmbh | Heat shield with reduced ply extension |
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| US20200298914A1 (en) * | 2017-09-28 | 2020-09-24 | Mazda Motor Corporation | Vehicle underbody structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263514A (en) * | 2022-06-21 | 2022-11-01 | 陈华清 | Anti-scalding device of motorcycle silencer |
| CN115263514B (en) * | 2022-06-21 | 2024-03-15 | 浙江卓驰机械有限公司 | Scald-proof device of motorcycle muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114135381B (en) | 2023-09-22 |
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