CN220577182U - Chassis heat insulation structure and commercial vehicle - Google Patents
Chassis heat insulation structure and commercial vehicle Download PDFInfo
- Publication number
- CN220577182U CN220577182U CN202322266984.5U CN202322266984U CN220577182U CN 220577182 U CN220577182 U CN 220577182U CN 202322266984 U CN202322266984 U CN 202322266984U CN 220577182 U CN220577182 U CN 220577182U
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- heat insulation
- chassis
- heat
- pipeline structure
- heat insulating
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- 238000009413 insulation Methods 0.000 title claims abstract description 114
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a chassis heat insulation structure and a commercial vehicle, wherein the chassis heat insulation structure comprises a frame and an engine arranged on the frame, the frame comprises a longitudinal beam, a pipeline structure is arranged in the longitudinal beam in a penetrating way, the chassis heat insulation structure also comprises a heat insulation piece arranged on the longitudinal beam, the heat insulation piece is provided with a first heat insulation part, and the first heat insulation part is positioned between the longitudinal beam and an exhaust pipe of the engine, so that the pipeline structure and the exhaust pipe are respectively positioned at two sides of the first heat insulation part. The first heat insulation part effectively blocks high-temperature heat from the exhaust pipe, particularly the high-temperature hot gas direct blowing pipeline structure at the outlet of the exhaust pipe, so that the propagation quantity of the heat towards the pipeline structure is greatly reduced, and the adverse influence of high temperature on the pipeline structure is avoided as much as possible, and the service life of the pipeline structure is prolonged.
Description
Technical Field
The utility model belongs to the technical field of vehicle accessories, and particularly relates to a chassis heat insulation structure and a commercial vehicle.
Background
The commercial vehicle engine generates a large amount of heat during running, and the heat can have a great influence on peripheral equipment of the engine. With the improvement of the emission of the light truck engine of the commercial vehicle, the volume of the engine is increased, the peripheral arrangement space is more and more limited, and particularly, the gap between the exhaust pipe and the frame longitudinal beam is smaller and smaller, and when the chassis wire harness and the tube bundle pass through between the exhaust pipe and the longitudinal beam, the high-temperature area is needed to be used, so that the performance and the service life of the wire harness and the tube bundle are influenced.
In the prior art, it is common to wrap the exhaust pipe with a thermal insulation liner to reduce heat loss through the exhaust pipe wall, thereby reducing the impact of exhaust pipe heat on the peripheral components. However, the existing heat insulation bushing is not beneficial to heat dissipation of an engine exhaust pipe, so that on one hand, the operation of the engine is affected, and on the other hand, the service life of the heat insulation bushing can be shortened due to long-term impact of heat on the heat insulation bushing.
Disclosure of Invention
The utility model provides a chassis heat insulation structure to solve at least one of the above technical problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a chassis heat insulation structure, includes the frame and installs the engine on the frame, the frame includes the longeron, wear to be equipped with pipeline structure in the longeron, still including install in the heat insulating part on the longeron, the heat insulating part has first thermal-insulated portion, first thermal-insulated portion is located the longeron with between the blast pipe of engine, make pipeline structure with the blast pipe is located respectively the both sides of first thermal-insulated portion.
The chassis heat insulation structure of the utility model also comprises the following additional technical characteristics:
the pipeline structure is fixed on the side surface of the first heat insulation part facing the longitudinal beam, and a second heat insulation part is arranged between the pipeline structure and the side surface.
The first heat insulation part is provided with a fixing hole, and the pipeline structure and the second heat insulation part are detachably fixed on the first heat insulation part through the cooperation of the fixing structure and the fixing hole.
The fixed knot structure is a heat insulation ribbon, and the heat insulation ribbon is used for binding the pipeline structure and the second heat insulation part at the fixed hole.
The first heat insulation part is integrally connected with the second heat insulation part.
The heat insulating piece further comprises a connecting portion, the heat insulating piece is connected with the longitudinal beam through the connecting portion, the connecting portion extends horizontally, one end of the first heat insulating portion is connected with the connecting portion, and the other end of the first heat insulating portion extends in the vertical direction.
The two side edges of the first heat insulation part are bent towards the exhaust port direction of the exhaust pipe so as to avoid the pipeline structure.
The connecting part is connected with the longitudinal beam through rivets.
The heat insulating piece is of an integral stamping forming structure.
There is also provided a commercial vehicle comprising a chassis insulation structure as described above.
By adopting the technical scheme, the utility model has the following beneficial effects:
1. compared with the heat insulation mode of arranging a heat insulation coating or a heat insulation lining on the exhaust pipe in the prior art, the first heat insulation part effectively blocks high-temperature heat generated in the exhaust process of the exhaust pipe, prevents the high-temperature heat from being greatly transferred to the pipeline structure penetrating through the longitudinal beam, further prevents abnormal temperature rise of the pipeline structure, and can also block the high-temperature hot gas exhausted from the exhaust outlet of the exhaust pipe from directly blowing the pipeline structure, so that heat exchange between the high-temperature hot gas and the pipeline structure is greatly reduced, heating of the pipeline structure is further reduced, the pipeline structure is in a proper working temperature environment, and the service life of the pipeline structure is prolonged.
2. As a preferred embodiment of the utility model, the pipeline structure is fixed on the side of the first insulation part facing the longitudinal beam, and a second insulation part is arranged between the pipeline structure and the side. Besides the heat insulation function, the heat insulation piece also provides an installation position for the pipeline structure, and the installation position for fixing the pipeline structure is omitted on the longitudinal beam, so that on one hand, the structural design of the longitudinal beam is optimized, and the longitudinal beam is convenient to process and shape; on the other hand, the installation of the installation position on the longitudinal beam is omitted, so that the structural strength of the longitudinal beam is improved; furthermore, it is possible to provide a device for the treatment of a disease. Through setting up the second thermal-insulated portion for pipeline structure further keeps away from the blast pipe, thereby further reduces the efficiency that heat propagates to pipeline structure, and then reduces the influence of heat from the blast pipe to pipeline structure.
Further, the pipeline structure is detachably fixed on the first heat insulation part through the fixing hole, so that the convenience of assembling the pipeline structure and the heat insulation part is improved, the pipeline structure can be selectively fixed on the heat insulation part after being assembled, and the assembling difficulty is reduced; in addition, be convenient for change pipeline structure or thermal-insulated piece according to maintenance needs etc. with pipeline structure and first thermal-insulated portion detachably connection, promoted the convenience of maintenance.
3. As a preferred embodiment of the present utility model, the heat insulating member further includes a connection portion through which the heat insulating member is connected to the side member, the connection portion extending in a horizontal direction, one end of the first heat insulating portion being connected to the connection portion, and the other end extending in a vertical direction. The first heat insulation part is arranged in a structure form extending along the vertical direction, so that the heat insulation part occupies as little space in the horizontal direction as possible on the premise of ensuring the heat insulation effect, and the compactness of the chassis is facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of a chassis insulation structure according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a portion of the structure of a chassis insulation structure in accordance with one embodiment of the present utility model;
fig. 3 is a schematic structural view of a portion of a chassis insulation structure according to an embodiment of the present utility model.
Wherein,
1, a longitudinal beam;
2 pipeline structure;
3 heat insulating pieces, 31 first heat insulating parts, 311 fixing holes, 3111 fixing holes A, 3112 fixing holes B, 32 second heat insulating parts, 33 connecting parts and 34 side edges;
4, an exhaust pipe;
and 5, riveting.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.
In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-3, a chassis heat insulation structure comprises a frame and an engine mounted on the frame, wherein the frame comprises a longitudinal beam 1, a pipeline structure 2 is penetrated in the longitudinal beam 1, the chassis heat insulation structure further comprises a heat insulation member 3 mounted on the longitudinal beam 1, the heat insulation member 3 is provided with a first heat insulation part 31, the first heat insulation part 31 is positioned between the longitudinal beam 1 and an exhaust pipe 4 of the engine, and the pipeline structure 2 and the exhaust pipe 4 are respectively positioned on two sides of the first heat insulation part 31.
The chassis heat insulation structure comprises a heat insulation piece 3, wherein the heat insulation piece 3 is provided with a first heat insulation part 31 positioned between a longitudinal beam 1 and an exhaust pipe of an engine, and the first heat insulation part 31 separates a pipeline structure 2 from the exhaust pipe, compared with a heat insulation mode of arranging a heat insulation coating or a heat insulation lining on the exhaust pipe in the prior art, the first heat insulation part 31 of the scheme effectively blocks high-temperature heat generated in the exhaust process of the exhaust pipe, prevents the high-temperature heat from being greatly transferred to the pipeline structure 2 penetrating through the longitudinal beam 1, further prevents abnormal temperature rise of the pipeline structure 2, and the arrangement of the first heat insulation part 31 can also block the high-temperature hot gas blowpipe structure 2 discharged by an exhaust outlet of the exhaust pipe, so that heat exchange between the high-temperature hot gas and the pipeline structure 2 is greatly reduced, and the heating of the pipeline structure 2 is further reduced, so that the pipeline structure 2 is in a proper working temperature environment, and the service life of the pipeline structure 2 is facilitated to be improved.
Specifically, the pipeline structure 2 comprises a tube bundle and a wire harness, wherein the tube bundle comprises a corrugated pipe and a pipeline positioned in the corrugated pipe, and the wire harness comprises the corrugated pipe and a pipeline positioned in the corrugated pipe.
The present utility model is not limited to the installation and fixation method of the pipeline structure 2, and any of the following embodiments may be adopted:
embodiment one: the pipeline structure 2 is fixed to the side of the stringers 1 facing the first insulation 31. When the components are assembled, the pipeline structure 2 and the longitudinal beam 1 can be selectively fixed, and then the heat insulation piece 3 is installed, so that the assembly difficulty of the heat insulation piece 3 is improved, and the assembly efficiency of the chassis components is improved.
Embodiment two: as shown in fig. 1, the pipeline structure 2 is fixed to the side surface of the first heat insulating portion 31 facing the side member 1, and a second heat insulating portion 32 is provided between the pipeline structure 2 and the side surface. The heat insulating piece 3 in the embodiment not only plays a role in heat insulation, but also provides an installation position for the pipeline structure 2, and the installation position for fixing the pipeline structure 2 is omitted from being arranged on the longitudinal beam 1, so that compared with the first embodiment, the heat insulating piece is beneficial to optimizing the structural design of the longitudinal beam 1 and facilitating the processing and forming of the longitudinal beam 1; on the other hand, the installation of the installation position on the longitudinal beam 1 is omitted, so that the structural strength of the longitudinal beam 1 is improved; furthermore, it is possible to provide a device for the treatment of a disease. By providing the second heat insulating portion 32, the pipe structure 2 is further away from the exhaust pipe 4, thereby further reducing the efficiency of heat propagation to the pipe structure 2, and further reducing the influence of heat from the exhaust pipe 4 on the pipe structure 2.
As a preferred example of the second embodiment, as shown in fig. 1 and 3, the first heat insulating portion 31 is provided with a fixing hole 311, and the pipeline structure 2 and the second heat insulating portion 32 are detachably fixed to the first heat insulating portion 31 by cooperation of the fixing structure and the fixing hole 311. The pipeline structure 2 is detachably fixed on the first heat insulation part 31 through the fixing hole 311, so that the convenience of assembling the pipeline structure 2 and the heat insulation part 3 is improved, the pipeline structure 2 can be selectively fixed on the heat insulation part 3 after being assembled, and the assembling difficulty is reduced; in addition, the detachable connection of the pipeline structure 2 and the first heat insulating portion 31 facilitates replacement of the pipeline structure 2 or the heat insulating member 3 according to maintenance needs or the like, and the convenience of maintenance is improved. In the present embodiment, the connection manner among the pipeline structure 2, the first heat insulating portion 31, and the second heat insulating portion 32 is not limited, and the pipeline structure 2 and the second heat insulating portion 32 may be fixedly connected to the first heat insulating portion 31 by welding or the like.
As a preferred example of the present embodiment, the fixing structure is a heat insulation tie that ties the pipeline structure 2 and the second heat insulation portion 32 at the fixing hole 311. Specifically, as shown in fig. 1 and 3, one end of the heat insulation ribbon penetrates into one side of the first heat insulation piece 3 facing the longitudinal beam 1 through the fixing hole a3111, and penetrates out and is fastened through the fixing hole B3112 after surrounding the second heat insulation portion 32 and the pipeline structure 2 for one week, and the heat insulation ribbon is adopted for binding operation, so that the heat insulation ribbon is simpler and is beneficial to improving the assembly efficiency.
As another preferable example of the present embodiment, the first heat insulating portion 31 is integrally connected with the second heat insulating portion 32. The first heat insulation part 31 and the second heat insulation part 32 are integrally connected, so that the assembly flow of the heat insulation part 3 is simplified, the structural strength of the second heat insulation part 32 can be improved, and the second heat insulation part 32 is prevented from being separated from the first heat insulation part 31 under the influence of external force, and the like.
As a preferred embodiment of the present utility model, as shown in fig. 1 and 3, the heat insulating member 3 further includes a connection portion 33, the heat insulating member 3 is connected to the side member 1 through the connection portion 33, the connection portion 33 extends horizontally, one end of the first heat insulating portion 31 is connected to the connection portion 33, and the other end extends vertically. The first heat insulating portion 31 is provided in a structure extending in the vertical direction, so that the heat insulating member 3 occupies as little space in the horizontal direction as possible while ensuring the heat insulating effect, contributing to the compactness of the chassis.
The present utility model is not limited to the structure of the first heat insulating portion 31, and one end of the first heat insulating portion 31 may be connected to the connecting portion 33, and the other end may extend in a horizontal direction or in a direction other than the vertical direction.
As a preferred example of the present embodiment, as shown in fig. 1 and 3, both side edges 34 of the first heat insulating portion 31 are bent toward the exhaust port of the exhaust pipe 4 to avoid the pipeline structure 2. The side edge 34 of the first heat insulation part 31 is bent towards the exhaust port direction of the exhaust pipe 4, so that the structural strength of the heat insulation part 3 can be improved, and the service life of the heat insulation part 3 is prolonged; on the other hand, the acute angle of the side 34 of the first heat insulating portion 31 can be prevented from coming into direct contact with the pipeline structure 2 to cause damage to the pipeline structure 2.
As another preferable example in the present embodiment, as shown in fig. 1 to 3, the connecting portion 33 and the side member 1 are connected by a rivet 4. The connecting mode that rivet 4 connects is convenient for the assembly personnel operation, has reduced the assembly degree of difficulty between the two on guaranteeing that connecting portion 33 is connected firm with longeron 1, helps promoting the assembly efficiency of thermal-insulated piece 3.
As a preferred embodiment of the present utility model, the heat insulator 3 is of an integrally press-molded structure. The integral stamping forming is beneficial to improving the structural strength of the heat insulation member 3; on the other hand, compared with the mode of assembling after the split molding, the integrated molding is beneficial to omitting the assembling process of the heat insulation part 3 and improving the production efficiency of the heat insulation part 3.
The utility model also provides a commercial vehicle comprising the chassis heat insulation structure. The chassis of the commercial vehicle has good heat insulation effect, and the pipeline structure 2 has long service life, thereby being beneficial to improving the performance of the vehicle body and prolonging the running life of the vehicle.
The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a chassis heat insulation structure, includes the frame and installs the engine on the frame, the frame includes the longeron, wear to be equipped with pipeline structure in the longeron, its characterized in that still including install in the heat insulating part on the longeron, the heat insulating part has first thermal-insulated portion, first thermal-insulated portion is located the longeron with between the blast pipe of engine, make pipeline structure with the blast pipe is located respectively the both sides of first thermal-insulated portion.
2. The chassis insulation structure of claim 1, wherein,
the pipeline structure is fixed on the side surface of the first heat insulation part facing the longitudinal beam, and a second heat insulation part is arranged between the pipeline structure and the side surface.
3. The chassis insulation structure of claim 2, wherein,
the first heat insulation part is provided with a fixing hole, and the pipeline structure and the second heat insulation part are detachably fixed on the first heat insulation part through the cooperation of the fixing structure and the fixing hole.
4. The chassis insulation structure according to claim 3, wherein,
the fixed knot structure is a heat insulation ribbon, and the heat insulation ribbon is used for binding the pipeline structure and the second heat insulation part at the fixed hole.
5. The chassis insulation structure of claim 2, wherein,
the first heat insulation part is integrally connected with the second heat insulation part.
6. The chassis insulation structure of claim 1, wherein,
the heat insulating piece further comprises a connecting portion, the heat insulating piece is connected with the longitudinal beam through the connecting portion, the connecting portion extends horizontally, one end of the first heat insulating portion is connected with the connecting portion, and the other end of the first heat insulating portion extends in the vertical direction.
7. The chassis insulation structure of claim 6, wherein,
the two side edges of the first heat insulation part are bent towards the exhaust port direction of the exhaust pipe so as to avoid the pipeline structure.
8. The chassis insulation structure of claim 6, wherein,
the connecting part is connected with the longitudinal beam through rivets.
9. The chassis insulation structure according to any one of claims 1 to 8, wherein,
the heat insulating piece is of an integral stamping forming structure.
10. A commercial vehicle comprising a chassis insulation structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322266984.5U CN220577182U (en) | 2023-08-22 | 2023-08-22 | Chassis heat insulation structure and commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322266984.5U CN220577182U (en) | 2023-08-22 | 2023-08-22 | Chassis heat insulation structure and commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220577182U true CN220577182U (en) | 2024-03-12 |
Family
ID=90116996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322266984.5U Active CN220577182U (en) | 2023-08-22 | 2023-08-22 | Chassis heat insulation structure and commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220577182U (en) |
-
2023
- 2023-08-22 CN CN202322266984.5U patent/CN220577182U/en active Active
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