Exhaust heat insulation assembly of engine and vehicle

Abstract

The embodiment of the utility model discloses an exhaust heat insulation assembly of an engine and a vehicle, and the exhaust heat insulation assembly of the engine comprises an exhaust heat insulation plate which covers an exhaust pipe of the engine; the heat insulation plate framework is connected with the exhaust heat insulation plate, and at least part of the heat insulation plate framework is arranged to extend in a manner of being attached to the exhaust heat insulation plate. According to the exhaust heat insulation assembly of the engine, the heat insulation plate framework is arranged, and at least part of the heat insulation plate framework is attached to the exhaust heat insulation plate to extend, so that the structural strength of the exhaust heat insulation plate can be improved, the situations of deformation and the like of the exhaust heat insulation plate are avoided, and the installation reliability of the exhaust heat insulation plate can be guaranteed; the problems of abnormal sound and the like in the driving process are avoided, the comfort degree of a user is improved, the device can be suitable for different types of exhaust heat insulation plates, the use flexibility is improved, the use effect is better, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to an exhaust heat insulation component of an engine and a vehicle with the exhaust heat insulation component of the engine. Background Art

[0002] With the development of the national economy and the continuous improvement of living standards, vehicles are becoming more and more important in life and travel, and the engine is one of the main components of the vehicle. The engine can discharge the high-temperature gas generated by the operation through the exhaust pipe, and an exhaust heat insulation board is arranged outside the exhaust pipe. The exhaust heat insulation board can isolate the heat and drain the high-temperature gas, thereby preventing the high-temperature gas from radiating heat to other components and ensuring the operational reliability of other components. However, the existing exhaust heat insulation board has poor structural strength and is easy to deform during transportation, which leads to the exhaust heat insulation board shaking easily during driving, generating abnormal noise and other problems, affecting the comfort of use, and there is room for improvement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an exhaust heat insulation assembly of an engine, which can improve the structural strength of the exhaust heat insulation board, thereby ensuring the reliability of the installation of the exhaust heat insulation board, improving user comfort, and improving the flexibility of use.

[0004] According to the embodiment of the utility model, the exhaust heat insulation assembly of the engine includes: an exhaust heat insulation board, the exhaust heat insulation board cover is arranged outside the exhaust pipe of the engine; and a heat insulation board frame, the heat insulation board frame is connected to the exhaust heat insulation board, and at least a part of the heat insulation board frame is arranged to extend in contact with the exhaust heat insulation board.

[0005] According to the exhaust heat insulation assembly of the engine in the embodiment of the utility model, by providing a heat insulation board frame and making at least a part of the heat insulation board frame fit and extend with the exhaust heat insulation board, the structural strength of the exhaust heat insulation board can be improved, deformation of the exhaust heat insulation board can be avoided, and the reliability of the installation of the exhaust heat insulation board can be ensured, and problems such as abnormal noise during driving can be avoided, thereby improving user comfort. Moreover, it can be applicable to different types of exhaust heat insulation boards, thereby improving flexibility of use, better use effect, and a wider range of applications.

[0006] According to some embodiments of the present invention, the exhaust heat insulation assembly of the engine, the heat insulation board skeleton includes a first reinforcement portion and a second reinforcement portion, the first reinforcement portion extends along a first direction, the second reinforcement portion extends along a second direction and intersects with the first reinforcement portion, the first reinforcement portion and the second reinforcement portion are respectively attached and connected to the exhaust heat insulation board.

[0007] According to the exhaust heat insulation assembly of the engine in some embodiments of the present invention, the number of the first reinforcement parts is two and they are distributed along the second direction at intervals, and the number of the second reinforcement parts is two and they are distributed along the first direction at intervals.

[0008] According to some embodiments of the present invention, in the exhaust heat insulation assembly of the engine, both ends of one of the two first reinforcement parts are respectively connected to the two second reinforcement parts, and the other one is constructed as two extension sections, which are spaced apart and respectively connected to the two second reinforcement parts.

[0009] According to the exhaust heat insulation assembly of the engine in some embodiments of the present invention, the first reinforcement portion and the second reinforcement portion each include a plurality of sub-segments connected by bending to conform to the surface of the exhaust heat insulation board.

[0010] According to the exhaust heat insulation assembly of the engine in some embodiments of the present invention, the first reinforcement portion and the second reinforcement portion are both constructed as strip plates, and the first reinforcement portion and the second reinforcement portion are provided with a connection area for connecting to the exhaust heat insulation plate, and the width of the connection area is greater than the width of other positions.

[0011] According to some embodiments of the present invention, the exhaust heat insulation assembly of the engine extends along the front-rear direction of the vehicle, the first direction is along the front-rear direction of the vehicle, and the second direction is along the left-right direction of the vehicle.

[0012] According to the exhaust heat insulation assembly of the engine in some embodiments of the utility model, the heat insulation board skeleton and the exhaust heat insulation board are connected as a whole through a connecting piece.

[0013] According to the exhaust heat insulation assembly of the engine in some embodiments of the present utility model, the structural strength of the heat insulation board skeleton is greater than or equal to the structural strength of the exhaust heat insulation board.

[0014] The utility model also provides a vehicle.

[0015] A vehicle according to an embodiment of the utility model comprises the exhaust heat insulation assembly of the engine as described in any one of the above items.

[0016] The exhaust heat insulation assembly of the vehicle and the above-mentioned engine has the same advantages as the prior art, which will not be repeated here.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 The structure of the exhaust heat insulation assembly of the engine according to the embodiment of the utility model is schematically shown. Figure 1 ;

[0020] Figure 2 The structure of the exhaust heat insulation assembly of the engine according to the embodiment of the utility model is schematically shown. Figure 2 .

[0021] Reference numerals:

[0022] Exhaust heat insulation assembly 100 of an engine,

[0023] Exhaust heat insulation board 1 , reinforcement boss 11 , heat insulation board frame 2 , first reinforcement part 21 , extension section 211 , second reinforcement part 22 , connecting piece 23 . DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Unless otherwise specified, the front-to-back direction in the present application is the longitudinal direction of the vehicle, that is, the X direction; the left-right direction is the lateral direction of the vehicle, that is, the Y direction; and the up-down direction is the vertical direction of the vehicle, that is, the Z direction.

[0028] Reference below Figure 1-Figure 2 Description The exhaust heat insulation assembly 100 of the engine according to the embodiment of the utility model can improve the structural strength of the exhaust heat insulation board 1, thereby ensuring the reliability of the installation of the exhaust heat insulation board 1, improving user comfort, and improving the flexibility of use.

[0029] like Figure 1-Figure 2 As shown, an exhaust heat insulation assembly 100 of an engine according to an embodiment of the utility model comprises: an exhaust heat insulation board 1 and a heat insulation board frame 2.

[0030] The exhaust heat insulation board 1 is covered outside the exhaust pipe of the engine, the heat insulation board frame 2 is connected to the exhaust heat insulation board 1, and at least a part of the heat insulation board frame 2 is arranged to be in contact with and extend from the exhaust heat insulation board 1.

[0031] Among them, the engine can discharge the high-temperature gas generated during operation through the exhaust pipe, and an exhaust heat insulation board 1 is arranged outside the exhaust pipe. The exhaust heat insulation board 1 can isolate the heat and guide the high-temperature gas, thereby preventing the high-temperature gas from generating heat radiation to other components and ensuring the operating reliability of other components.

[0032] Specifically, the exhaust heat insulation component 100 of the engine is provided with an exhaust heat insulation board 1, and the exhaust heat insulation board 1 can be set as an aluminum plate or the like, which is light in weight, can improve the lightweight design of the vehicle, and has a good heat insulation effect, can improve the operating reliability of other components, and the exhaust heat insulation board 1 can be set as a semi-enclosed shell, so that the exhaust heat insulation board 1 can be covered outside the exhaust pipe of the engine, which can insulate the exhaust pipe of the engine and also can guide the hot air discharged from the exhaust pipe, thereby improving the reliability of the exhaust heat insulation board 1, improving the heat insulation effect, and the exhaust heat insulation pipe A plurality of reinforcing bosses 11 are provided, and mounting holes are provided at the reinforcing bosses 11. The exhaust heat insulation pipe can be inserted into the mounting holes by bolts or the like, and then fixedly connected to the lower part of the passage in the cabin. In the present embodiment, four mounting holes are provided, which can reduce the number of standard parts, save assembly time, and improve the production cycle. The four mounting holes are arranged at intervals at both ends of the exhaust heat insulation board 1. The mounting holes are provided on the reinforcing bosses 11, which can improve the structural strength of the exhaust heat insulation board 1, avoid deformation of the exhaust heat insulation board 1, and improve the reliability of the installation.

[0033] Furthermore, the exhaust heat insulation assembly 100 of the engine is also provided with a heat insulation board frame 2, which can be set as a strip plate structure, and the heat insulation board frame 2 is set on the side of the exhaust heat insulation board 1 away from the exhaust pipe of the engine. The heat insulation board frame 2 can be connected to the exhaust heat insulation board 1 by riveting or the like, and at least part of the heat insulation board frame 2 is set to fit and extend with the exhaust heat insulation board 1, that is, part of the heat insulation board frame 2 can be set to fit and extend with the exhaust heat insulation board 1, or all parts of the heat insulation board frame 2 can be set to fit and extend with the exhaust heat insulation board 1, and the heat insulation board frame 2 and the exhaust heat insulation board 1 are fit together, thereby improving the structural strength of the joint between the exhaust heat insulation board 1 and the heat insulation board frame 2. It is simple to install and has a low installation cost. It can be applicable to different types of exhaust heat insulation boards 1, has a high flexibility in use, and can avoid deformation of the exhaust heat insulation board 1, thereby ensuring the reliability of the installation of the exhaust heat insulation board 1, avoiding problems such as abnormal noise during driving, and improving user comfort.

[0034] According to the exhaust heat insulation assembly 100 of the engine of the embodiment of the utility model, by providing a heat insulation board skeleton 2 and making at least a part of the heat insulation board skeleton 2 fit and extend with the exhaust heat insulation board 1, the structural strength of the exhaust heat insulation board 1 can be improved, and deformation of the exhaust heat insulation board 1 can be avoided, thereby ensuring the reliability of the installation of the exhaust heat insulation board 1, avoiding problems such as abnormal noise during driving, and improving user comfort. Moreover, it can be applicable to different types of exhaust heat insulation boards 1, thereby improving the flexibility of use, achieving better use effects, and having a wider range of applications.

[0035] In some embodiments, the insulation board skeleton 2 includes a first reinforcement portion 21 and a second reinforcement portion 22. The first reinforcement portion 21 extends along a first direction, and the second reinforcement portion 22 extends along a second direction and intersects with the first reinforcement portion 21. The first reinforcement portion 21 and the second reinforcement portion 22 are respectively connected to the exhaust insulation board 1 in a bonded manner.

[0036] Specifically, the heat shield frame 2 is arranged on the side of the exhaust heat shield 1 away from the exhaust pipe of the engine, and can be connected to the exhaust heat shield 1 by riveting or the like. The heat shield frame 2 can be arranged in close contact with the exhaust heat shield 1, thereby improving the structural strength of the exhaust heat shield 1. Figure 1-Figure 2 As shown, the insulation board skeleton 2 is provided with a first reinforcement part 21 and a second reinforcement part 22, and the first reinforcement part 21 and the second reinforcement part 22 are connected to each other, the first reinforcement part 21 can be arranged along a first direction, the second reinforcement part 22 can be arranged along a second direction, and the first direction and the second direction intersect, so that the insulation board skeleton 2 is provided with parts extending along different directions.

[0037] Furthermore, the first reinforcement portion 21 can be fitted and connected to the exhaust heat insulation board 1, and the second reinforcement portion 22 can also be fitted and connected to the exhaust heat insulation board 1, so that the first reinforcement portion 21 and the second reinforcement portion 22 can improve the structural strength of the exhaust heat insulation board 1, and the first reinforcement portion 21 and the second reinforcement portion 22 have different extension directions, so that after the first reinforcement portion 21 and the second reinforcement portion 22 are respectively fitted and connected to the exhaust heat insulation board 1, the structural strength of different parts of the exhaust heat insulation board 1 can be enhanced, thereby ensuring the installation reliability of various parts of the exhaust heat insulation board 1 and improving user comfort.

[0038] In some embodiments, there are two first reinforcing portions 21 and they are spaced apart and distributed along the second direction, and there are two second reinforcing portions 22 and they are spaced apart and distributed along the first direction.

[0039] Specifically, the heat shield frame 2 is provided with a first reinforcement portion 21 and a second reinforcement portion 22, and the first reinforcement portion 21 and the second reinforcement portion 22 are respectively connected to the exhaust heat shield 1 on one side away from the exhaust pipe of the engine, and Figure 1-Figure 2 As shown, the first reinforcement part 21 is extended along the first direction and two first reinforcement parts 21 are provided, the two first reinforcement parts 21 are spaced apart along the second direction, and the two first reinforcement parts 21 are respectively located on both sides of the exhaust heat insulation board 1 along the second direction, and are fitted and connected to both sides of the exhaust heat insulation board 1 along the second direction.

[0040] Furthermore, the second reinforcement part 22 is extended along the second direction and two second reinforcement parts 22 are provided, and the two second reinforcement parts 22 are spaced apart along the first direction. The two second reinforcement parts 22 are respectively located at the two ends of the exhaust heat insulation board 1 along the first direction, and are fitted and connected to the two ends of the exhaust heat insulation board 1 along the first direction, thereby enhancing the structural strength around the exhaust heat insulation board 1 and improving the reliability of the installation of the exhaust heat insulation board 1.

[0041] In some embodiments, both ends of one of the two first reinforcement parts 21 are respectively connected to the two second reinforcement parts 22 and the other one is configured as two extension sections 211 , which are spaced apart and respectively connected to the two second reinforcement parts 22 .

[0042] Specifically, Figure 2 As shown, two first reinforcement parts 21 are provided and distributed at intervals along the second direction, and two ends of one of the two first reinforcement parts 21 are respectively connected to the two second reinforcement parts 22, and the other first reinforcement part 21 is provided as two extension sections 211, and the two extension sections 211 are distributed at intervals along the first direction on the same side of the exhaust heat insulation board 1, and the two extension sections 211 are respectively connected to the two second reinforcement parts 22, so that one end of the second reinforcement part 22 is connected to the first reinforcement part 21, and the other end is connected to the extension section 211, and the heat insulation board skeleton 2 is formed into a ring structure with an opening.

[0043] Furthermore, the first reinforcement portion 21 and the second reinforcement portion 22 are both arranged in close contact with the exhaust heat insulation board 1, and the heat insulation board skeleton 2 is arranged as an open ring structure, which is convenient for installation and makes the heat insulation board skeleton 2 and the exhaust heat insulation board 1 fit better, so that the force acting on the exhaust heat insulation board 1 can be better transmitted to the heat insulation board skeleton 2, thereby ensuring the reliability of the heat insulation board skeleton 2 in improving the structural strength of the exhaust heat insulation board 1.

[0044] In some embodiments, the first reinforcement portion 21 and the second reinforcement portion 22 both include a plurality of sub-segments connected by bending to conform to the surface of the exhaust heat insulation board 1 .

[0045] Specifically, the heat insulation board frame 2 is arranged on the side of the exhaust heat insulation board 1 away from the exhaust pipe of the engine, and the heat insulation board frame 2 is provided with a first reinforcement part 21 and a second reinforcement part 22 which are fitted and connected with the exhaust heat insulation board 1, thereby enhancing the structural strength of the exhaust heat insulation board 1, ensuring the installation reliability of the exhaust heat insulation board 1, and improving user comfort. The exhaust heat insulation board 1 cover is arranged outside the exhaust pipe of the engine, and in order to adapt to the shape of the exhaust pipe of the engine and other components of the vehicle, the exhaust heat insulation board 1 cover is arranged as a structure with a non-flat surface, and the first reinforcement part 21 and the second reinforcement part 22 are also correspondingly arranged as a plate-like structure including a plurality of sub-segments connected by bending, so that the first reinforcement part 21 and the second reinforcement part 22 can be fitted with the surface of the exhaust heat insulation board 1, thereby making the force acting on the exhaust heat insulation board 1 can be better transmitted to the heat insulation board frame 2, ensuring the reliability of the heat insulation board frame 2 in improving the structural strength of the exhaust heat insulation board 1.

[0046] In some embodiments, the first reinforcement part 21 and the second reinforcement part 22 are both configured as strip plates, and the first reinforcement part 21 and the second reinforcement part 22 are provided with connection areas for connecting with the exhaust heat insulation board 1 , and the width of the connection areas is greater than the width of other positions.

[0047] Specifically, the first reinforcement portion 21 and the second reinforcement portion 22 are both arranged on the side of the exhaust heat insulation board 1 away from the exhaust pipe of the engine, and Figure 1-Figure 2 As shown, the first reinforcement part 21 and the second reinforcement part 22 are both constructed as strip plates, the first reinforcement part 21 is extended along the first direction, and the second reinforcement part 22 is extended along the second direction, and the first reinforcement part 21 and the second reinforcement part 22 are both provided with connection areas, the first reinforcement part 21 can be connected to the exhaust heat insulation board 1 at the connection area, and the second reinforcement part 22 can also be connected to the exhaust heat insulation board 1 at the connection area, and the width of the connection area is greater than the width of other positions, that is, the structural strength of the connection area is greater than the structural strength of other positions, thereby improving the reliability of the connection between the first reinforcement part 21 and the exhaust heat insulation board 1, and also improving the reliability of the connection between the second reinforcement part 22 and the exhaust heat insulation board 1, so as to ensure the reliability of the heat insulation board skeleton 2 improving the structural strength of the exhaust heat insulation board 1, and the connection area can be set at multiple locations, and the multiple connection areas are spaced apart from the first reinforcement part 21 and the second reinforcement part 22, thereby ensuring the reliability of the connection between the heat insulation board skeleton 2 and the exhaust heat insulation board 1.

[0048] In some embodiments, the exhaust heat shield 1 extends along the front-rear direction of the vehicle, the first direction is along the front-rear direction of the vehicle, and the second direction is along the left-right direction of the vehicle.

[0049] Specifically, Figure 1-Figure 2As shown, the exhaust heat insulation board 1 can be set to a rectangular structure, the exhaust pipe of the engine is set to extend along the front-to-back direction of the vehicle, and the exhaust heat insulation board 1 is covered outside the exhaust pipe of the engine, and then the exhaust heat insulation board 1 is also set to extend along the front-to-back direction of the vehicle, the first reinforcement part 21 and the second reinforcement part 22 are both fitted and arranged on the side of the exhaust heat insulation board 1 away from the exhaust pipe of the engine, the first reinforcement part 21 is extended along the first direction, and the second reinforcement part 22 is extended along the second direction, the first direction is along the front-to-back direction of the vehicle, and the second direction is along the left-to-right direction of the vehicle, that is, the first reinforcement part 21 is extended along the front-to-back direction of the vehicle, and the second reinforcement part 22 is extended along the left-to-right direction of the vehicle, so that the structural strength of the exhaust heat insulation board 1 along the front-to-back direction and the left-to-right direction of the vehicle can be enhanced, thereby ensuring the installation reliability of various parts of the exhaust heat insulation board 1 and improving user comfort.

[0050] In some embodiments, the heat insulation board frame 2 and the exhaust heat insulation board 1 are connected as a whole via a connecting piece 23 .

[0051] Specifically, the heat insulation board frame 2 is arranged on the side of the exhaust heat insulation board 1 away from the exhaust pipe of the engine, and can be connected to the exhaust heat insulation board 1 through a connecting piece 23, etc. The connecting piece 23 can be set to a rivet, etc., that is, the heat insulation board frame 2 and the exhaust heat insulation board 1 can be connected by riveting. The riveting connection can improve the impact resistance and shock resistance of the connection between the heat insulation board frame 2 and the exhaust heat insulation board 1, and the riveting process equipment is simple, which can reduce the deformation of the heat insulation board frame 2 and the exhaust heat insulation board 1, improve the fatigue resistance of the connection between the heat insulation board frame 2 and the exhaust heat insulation board 1, and reduce the stress concentration at the connection between the heat insulation board frame 2 and the exhaust heat insulation board 1, thereby ensuring the connection reliability.

[0052] In some embodiments, the structural strength of the heat insulation board skeleton 2 is greater than or equal to the structural strength of the exhaust heat insulation board 1 .

[0053] Specifically, Figure 1-Figure 2 As shown, the heat insulation board skeleton 2 is arranged on the side of the exhaust heat insulation board 1 away from the exhaust pipe of the engine, the heat insulation board skeleton 2 can be connected to the exhaust heat insulation board 1 through a connecting piece 23, etc., and the structural strength of the heat insulation board skeleton 2 is greater than or equal to the structural strength of the exhaust heat insulation board 1, that is, the structural strength of the heat insulation board skeleton 2 can be set to be equal to the structural strength of the exhaust heat insulation board 1, and can also be set to be greater than the structural strength of the exhaust heat insulation board 1, and then the heat insulation board skeleton 2 is arranged outside the exhaust heat insulation board 1 to improve the structural strength of the exhaust heat insulation board 1, thereby ensuring the installation reliability of the exhaust heat insulation board 1.

[0054] Furthermore, the thickness of the insulation board skeleton 2 can also be set to be greater than or equal to the thickness of the exhaust insulation board 1, that is, the thickness of the insulation board skeleton 2 can be set to be equal to the thickness of the exhaust insulation board 1, and can also be set to be greater than the thickness of the exhaust insulation board 1. In the present embodiment, the thickness of the insulation board skeleton 2 can be set to 1 mm, and the thickness of the exhaust insulation board 1 is set to 0.5 mm, that is, the thickness of the insulation board skeleton 2 is set to be greater than the thickness of the exhaust insulation board 1, and then the insulation board skeleton 2 is arranged outside the exhaust insulation board 1 to improve the structural strength of the exhaust insulation board 1 and ensure the installation reliability of the exhaust insulation board 1.

[0055] The utility model also provides a vehicle.

[0056] The vehicle according to the embodiment of the present utility model comprises any one of the above-mentioned exhaust heat insulation components 100 for the engine.

[0057] According to the vehicle of the embodiment of the utility model, the vehicle is provided with an exhaust heat insulation assembly 100 of the engine, and the exhaust heat insulation assembly 100 of the engine is provided with a heat insulation board frame 2, and at least a part of the heat insulation board frame 2 is extended in contact with the exhaust heat insulation board 1, which can improve the structural strength of the exhaust heat insulation board 1 and avoid deformation of the exhaust heat insulation board 1, thereby ensuring the reliability of the installation of the exhaust heat insulation board 1 and avoiding problems such as abnormal noise during driving, and can be applicable to different types of exhaust heat insulation boards 1, thereby improving the flexibility of use, improving user comfort, and achieving better use effect and a wider range of application.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0059] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An exhaust heat insulation component of an engine, characterized in that: include: An exhaust heat shield is provided outside the exhaust pipe of the engine; A heat insulation board frame is connected to the exhaust heat insulation board, and at least a portion of the heat insulation board frame is configured to fit and extend with the exhaust heat insulation board.

2. The exhaust heat insulation assembly of the engine according to claim 1, characterized in that: The heat insulation board frame includes a first reinforcement portion and a second reinforcement portion, the first reinforcement portion extends along a first direction, the second reinforcement portion extends along a second direction and intersects with the first reinforcement portion, and the first reinforcement portion and the second reinforcement portion are respectively attached and connected to the exhaust heat insulation board.

3. The exhaust heat insulation assembly of the engine according to claim 2, characterized in that: There are two first reinforcement parts and they are spaced apart from each other along the second direction, and there are two second reinforcement parts and they are spaced apart from each other along the first direction.

4. The exhaust heat insulation assembly of the engine according to claim 3, characterized in that: Two ends of one of the two first reinforcement parts are respectively connected to the two second reinforcement parts, and the other one is configured as two extension sections, and the two extension sections are spaced apart and respectively connected to the two second reinforcement parts.

5. The exhaust heat insulation assembly of the engine according to claim 2, characterized in that: The first reinforcement portion and the second reinforcement portion each include a plurality of sub-segments connected by bending, so as to conform to the surface of the exhaust heat insulation board.

6. The exhaust heat insulation assembly of the engine according to claim 2, characterized in that: The first reinforcement portion and the second reinforcement portion are both configured as strip-shaped plates, and the first reinforcement portion and the second reinforcement portion are provided with connection areas for connecting with the exhaust heat insulation board.

7. The exhaust heat insulation assembly of the engine according to claim 2, characterized in that: The exhaust heat shield extends along a front-rear direction of the vehicle, the first direction is along the front-rear direction of the vehicle, and the second direction is along the left-right direction of the vehicle.

8. The exhaust heat insulation assembly of the engine according to claim 1, characterized in that: The heat insulation board frame and the exhaust heat insulation board are connected as a whole through a connecting piece.

9. The exhaust heat insulation assembly of the engine according to claim 1, characterized in that: The structural strength of the heat insulation board skeleton is greater than or equal to the structural strength of the exhaust heat insulation board.

10. A vehicle, characterized in that: An exhaust heat insulation assembly for an engine comprising any one of claims 1-9.

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