CN216660049U - Automobile engine hood - Google Patents
Automobile engine hood Download PDFInfo
- Publication number
- CN216660049U CN216660049U CN202123012888.5U CN202123012888U CN216660049U CN 216660049 U CN216660049 U CN 216660049U CN 202123012888 U CN202123012888 U CN 202123012888U CN 216660049 U CN216660049 U CN 216660049U
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- China
- Prior art keywords
- cover plate
- upper cover
- lower cover
- air flow
- hood
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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Abstract
The utility model relates to the technical field of automobile parts and discloses an automobile engine hood which comprises an upper cover plate and a lower cover plate, wherein the upper surface of the lower cover plate is connected with the lower surface of the upper cover plate, the upper cover plate is made of plastics, a diversion trench extending in the front-back direction is formed in the upper surface of the lower cover plate, the diversion trench and the lower surface of the upper cover plate jointly enclose to form an air flow channel, an air inlet communicated with the air flow channel is formed in the front part of the upper cover plate, and an air outlet communicated with the air flow channel is formed in the rear part of the upper cover plate. The automobile engine hood can effectively improve the air flow characteristic of an automobile, is convenient to process and manufacture, and improves the safety of pedestrian head collision protection.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an automobile engine hood.
Background
The automobile engine hood is used for shielding an engine compartment on one hand and guiding airflow when an automobile runs on the other hand, and has a vital effect on reducing the running resistance and the lateral stability of the automobile. At present, the dynamic characteristic of the automobile engine cover for air flow diversion is generally realized by the design of streamline design of the appearance of the engine cover and ridges on the engine cover, but the method has the following defects: complex shapes are difficult to manufacture and the hood has limited improvement in airflow characteristics.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automobile engine hood, which can effectively improve the air flow characteristic of an automobile.
In order to achieve the purpose, the utility model provides an automobile engine hood, which comprises an upper cover plate and a lower cover plate, wherein the upper surface of the lower cover plate is connected with the lower surface of the upper cover plate, the upper surface of the lower cover plate is provided with a flow guide groove extending in the front-back direction, the flow guide groove and the lower surface of the upper cover plate jointly enclose to form an air flow channel, the front part of the upper cover plate is provided with an air inlet communicated with the air flow channel, and the rear part of the upper cover plate is provided with an air outlet communicated with the air flow channel.
Furthermore, a flow guide part is arranged on the lower surface of the upper cover plate along the edge of the air inlet.
Furthermore, the front end of the diversion trench is provided with a concave part matched with the diversion part in shape, and the diversion part is arranged on the concave part.
Further, the rear end of the diversion trench is inclined upwards.
Further, the lower cover plate is detachably connected with the upper cover plate.
Furthermore, the lower cover plate is made of a metal material.
Furthermore, the upper cover plate and the lower cover plate are of an integrally formed structure made of plastics.
Furthermore, the upper surface of the lower cover plate is bonded with the lower surface of the upper cover plate through glue.
Furthermore, a safety hole and a mounting hole are formed in the lower cover plate.
Furthermore, the edge of the lower cover plate is provided with a reinforcing rib.
Compared with the prior art, the automobile engine hood provided by the technical scheme has the beneficial effects that: the air flow channel is formed by the diversion trench on the upper cover plate and the lower cover plate together, and the air flow channel actively guides the flow direction of the driving air flow, so that the air flow characteristic of the automobile can be effectively improved; the upper cover plate is made of plastic, so that the processing and forming of the modeling curved surface are facilitated, and meanwhile, the safety of pedestrian head collision protection can be effectively improved.
Drawings
FIG. 1 is a schematic structural view of an automotive hood according to an embodiment of the present invention;
FIG. 2 is a schematic view of the vehicle hood shown in FIG. 1 from another perspective;
fig. 3 is a schematic structural diagram of a lower cover plate according to an embodiment of the present invention.
The structure comprises an upper cover plate, an air inlet 11, an air outlet 12, a flow guide part 13, a lower cover plate 2, a flow guide groove 21, a concave part 22, a safety hole 23, a mounting hole 24 and a reinforcing rib 25.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The utility model will be further explained and explained with reference to the drawings and the embodiments in the description. The step numbers in the embodiments of the present invention are set for convenience of illustration only, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art.
As shown in fig. 1 to 3, an embodiment of the present invention provides an automobile engine hood, which includes an upper cover plate 1 and a lower cover plate 2, an upper surface of the lower cover plate 2 is connected to a lower surface of the upper cover plate 1, the upper cover plate 1 is made of plastic, an upper surface of the lower cover plate 2 is provided with a flow guide groove 21 extending in a front-rear direction, the flow guide groove 21 and the lower surface of the upper cover plate 1 together enclose to form an air flow channel, a front portion of the upper cover plate 1 is provided with an air inlet 11 communicated with the air flow channel, and a rear portion of the upper cover plate 1 is provided with an air outlet 12 communicated with the air flow channel.
Based on the scheme, the air flow channel is formed by the guide groove 21 on the upper cover plate 1 and the lower cover plate 2 together, and compared with the traditional mode of changing the air flow characteristic only through the appearance streamline shape, the air flow characteristic of the automobile can be improved more easily, more flexibly and more effectively; when the upper cover plate 1 is made of plastic, the upper cover plate can be used for manufacturing appearance models which are more complex in molding and more suitable for the air flow characteristic, and a hollow structure formed by an air flow channel is arranged between the upper cover plate 1 and the lower cover plate 2, so that the strength of the engine hood is reduced by the hollow structure, and when a pedestrian collides with the collision head on the front side of a traveling crane on the upper cover plate 1, the safety of collision protection of the pedestrian head can be effectively improved.
Specifically, in the driving process, the air flow flows through the front end of the automobile, part of the external air flow enters the air flow channel through the air inlet 11 and then flows out of the air outlet 12, so that the air flow characteristic is improved, the air flow characteristic of the automobile can be controlled by controlling the curved surface shape and the size of the air flow channel, the directions, the sizes and the like of the air inlet 11 and the air outlet 12, the requirements of different automobile types are met, and the curved surface shape of the air flow channel is controlled by specifically changing the shapes of the guide groove 21 and the lower surface of the upper cover plate 1. For example, for a light sports car vehicle with a high running speed, the stability of the vehicle needs to be improved, and the stability is improved by increasing the downward force of the vehicle through airflow; for the motorcycle type that weight is big to reduce the resistance and reduce the energy consumption as the demand, increase the effort that makes progress to the vehicle through the air current, with the reduction friction energy consumption.
In addition, the upper cover plate 1 can be formed by adopting a blow molding process, so that a complex curved surface can be formed, and the requirement of air characteristics on appearance can be met more easily; the lower cover plate 2 is connected with a vehicle body through a hinge, the upper cover plate 1, a hood lock, a buffer block and other components are arranged on the lower cover plate 2, and the lower cover plate 2 is used for guaranteeing mechanical properties such as rigidity and strength of the hood assembly.
In the present embodiment, as shown in fig. 1, the lower surface of the upper cover plate 1 is provided with a flow guide 13 along the edge of the air inlet 11. Specifically, the flow guide portion 13 is recessed from the air inlet 11 and is used for guiding the airflow at the front side of the vehicle into the airflow channel, and the specific shape of the flow guide portion 13 can be set according to the shapes of the air inlet 11 and the flow guide groove 21, so that the airflow can smoothly enter the airflow channel from the air inlet 11. The air inlet 11 of the present embodiment is located at the middle position of the front portion of the upper cover plate 1, the shape of the air inlet 11 is similar to a trapezoid, the left and right side edges and the front side edge of the air inlet 11 are connected to the flow guiding portion 13, the rear side edge of the air inlet 11 is not connected to the flow guiding portion 13, the flow guiding portion 13 guides the air flow from the front side to the rear side of the air inlet 11, and the air flow enters the air flow channel from the rear side edge of the air inlet 11. The flow guide part 13 can be integrally formed with the upper cover plate 1, and is convenient to process and install.
In this embodiment, as shown in fig. 3, a recessed portion 22 matching with the shape of the flow guiding portion 13 is formed at the front end of the flow guiding groove 21, and the flow guiding portion 13 is formed on the recessed portion 22. Specifically, the lower surface of the flow guide part 13 is attached to the concave part 22, so that the upper surface of the flow guide part 13 is flush with the surface of the flow guide groove 21, and the air flow is smoothly transited from the flow guide part 13 to the flow guide groove 21, thereby facilitating the flow of the air flow.
In the present embodiment, as shown in fig. 3, the rear end of the baffle groove 21 is inclined upward. Specifically, the guide groove 21 with the rear end inclined upwards guides the airflow in the airflow channel to flow upwards in an inclined manner and then flows out from the air outlet 12, and the direction of the flowing airflow is backwards and upwards; the rear end of the diversion trench 21 is obliquely arranged, so that the airflow can smoothly flow out, the resistance of the channel to the airflow is reduced, and the flowing direction of the airflow can be changed according to actual requirements. The air outlet 12 is aligned with the rear end of the diversion trench 21, and the shape of the air outlet 12 is trapezoidal.
In this embodiment, the lower cover plate 2 is an integrally formed structure made of plastic, which is convenient for processing and manufacturing, especially for forming the complex curved surface of the diversion trench 21; the upper surface of lower cover plate 2 passes through glue with the lower surface of upper cover plate 1 and bonds for joint strength is high, and upper cover plate 1 can satisfy the vehicle demand with the bulk strength of lower cover plate 2, antitorque commentaries on classics performance.
As an alternative embodiment, in other embodiments, the lower cover plate 2 and the upper cover plate 1 are detachably connected, and the detachable connection can effectively reduce the maintenance cost of the engine cover. Because of in the current bonnet scheme, the connection of metal scheme inside and outside board adopts the mode of borduring, and the plastics scheme adopts the viscose, and the unable dismouting of its inside and outside board is very inconvenient to after-sales maintenance, and its cost of maintenance is high. In the embodiment of the utility model, the upper cover plate 1 and the lower cover plate 2 are detachably connected, nuts can be embedded on the upper cover plate 1, and then the upper cover plate 1 and the lower cover plate 2 are connected through bolts.
Optionally, the lower cover plate 2 is made of a metal material, and may be a frame-shaped structure similar to that shown in fig. 2 and 3, and is used for ensuring mechanical properties such as rigidity and strength of the engine cover.
As shown in fig. 2 and 3, in the embodiment, the lower cover plate 2 is provided with safety holes and mounting holes, wherein the safety holes are four triangular holes distributed on the left and right sides of the lower cover plate 2, the safety holes are used for providing a hollowed space below the upper cover plate 1, the upper cover plate 1 deforms during head touch, the hollowed part does not hinder deformation, the deformation amount is increased, the head touch strength is reduced, and the safety of pedestrian head touch protection is improved; the mounting hole is used for being connected with an automobile body.
In addition, the edge of the lower cover plate 2 of the embodiment is provided with a reinforcing rib for improving the strength of the lower cover plate 2, and further improving the torsion resistance of the engine hood.
To sum up, the embodiment of the utility model provides an automobile engine hood, an airflow channel is formed by the flow guide groove 21 on the upper cover plate 1 and the lower cover plate 2 together, and compared with the traditional mode of changing the airflow characteristic only by the appearance streamline shape, the airflow channel can more easily, flexibly and effectively improve the airflow characteristic of an automobile; the upper cover plate 1 is made of plastic, can be used for manufacturing and molding appearance models which are more complex and more suitable for the air flow characteristic, and a hollow structure formed by an air flow channel is arranged between the upper cover plate 1 and the lower cover plate 2, so that the safety of pedestrian head collision protection can be effectively improved; through upper cover plate 1 and lower cover plate 2 detachably connected, reduce bonnet cost of maintenance.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", "X-axis direction", "Y-axis direction", "Z-axis direction", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Moreover, some of the above terms may be used to indicate other meanings besides orientation or position, for example, the term "on" may also be used to indicate some kind of dependency or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The automobile engine hood is characterized by comprising an upper cover plate and a lower cover plate, wherein the upper surface of the lower cover plate is connected with the lower surface of the upper cover plate, a diversion trench extending in the front-back direction is formed in the upper surface of the lower cover plate, the diversion trench and the lower surface of the upper cover plate jointly enclose to form an air flow channel, an air inlet communicated with the air flow channel is formed in the front portion of the upper cover plate, and an air outlet communicated with the air flow channel is formed in the rear portion of the upper cover plate.
2. The automobile hood as set forth in claim 1, wherein a lower surface of the upper cover plate is provided with a flow guide portion along an edge of the air intake port.
3. The automobile engine hood as set forth in claim 2, wherein the front end of the guiding groove is provided with a recessed portion matching with the shape of the guiding portion, and the guiding portion is provided on the recessed portion.
4. The automotive bonnet as claimed in claim 1, wherein the rear end of the baffle slot is inclined upwardly.
5. The automotive hood of claim 1, wherein the lower cover plate is removably connected to the upper cover plate.
6. The automotive hood of claim 1, wherein the lower cover plate is made of a metal material.
7. The automotive hood of claim 1, wherein the upper cover plate and the lower cover plate are each an integrally formed structure made of plastic.
8. The automobile hood as set forth in claim 1, wherein the upper surface of the lower cover plate is adhered to the lower surface of the upper cover plate by glue.
9. The automobile engine hood as set forth in claim 1, wherein the lower cover plate is provided with a safety hole and a mounting hole.
10. The automobile hood as set forth in claim 1, wherein a reinforcing rib is provided at an edge of the lower cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123012888.5U CN216660049U (en) | 2021-12-02 | 2021-12-02 | Automobile engine hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123012888.5U CN216660049U (en) | 2021-12-02 | 2021-12-02 | Automobile engine hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216660049U true CN216660049U (en) | 2022-06-03 |
Family
ID=81787975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123012888.5U Active CN216660049U (en) | 2021-12-02 | 2021-12-02 | Automobile engine hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216660049U (en) |
-
2021
- 2021-12-02 CN CN202123012888.5U patent/CN216660049U/en active Active
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