CN220315124U - Engine cover and vehicle - Google Patents

Abstract

The application provides a bonnet and vehicle, bonnet include fixed connection's shell and inner shell, are formed with inside passageway between inner shell and the shell, and the one end of inside passageway communicates with the external world through the opening on the shell, and the shell is equipped with the open-ended grid net on the shielding shell, and the other end of inside passageway communicates to the engine compartment through the opening on the inner shell, and the opening on the inner shell is located the top of the radiator of vehicle along vertical direction. The engine cover forms a passage between the outside and the engine cabin, so that the airflow negative pressure above the engine cover can be utilized to guide the airflow generated in the engine cabin out of the engine cabin in the running process of the vehicle. Meanwhile, under the raining working condition, the opening on the inner shell is arranged above the radiator of the vehicle, so that rainwater flowing in from the outside can be guided to the radiator along the inner passage, the radiator is cooled, and the influence of random turbulence of the external rainwater in the engine compartment on the engine is avoided.

Description

Engine cover and vehicle

Technical Field

The application relates to the technical field of automobile parts, in particular to an engine cover and a vehicle.

Background

The engine cover is used as an important component of the automobile, not only can play a role in air diversion, but also can protect an engine, peripheral pipeline accessories and the like, and can fully prevent adverse effects such as impact, corrosion, rainwater, electric interference and the like.

In order to make the engine cover have a certain heat dissipation effect, the engine cover in the prior art is usually provided with a vent hole so that heat in the engine compartment of the automobile can be dissipated through the vent hole. However, when rainy weather is encountered, as the vent holes are exposed to the outside air, rainwater is easy to enter the engine compartment of the automobile through the vent holes and randomly flows in the engine compartment, so that the engine is affected, and the damage of the engine is accelerated.

Disclosure of Invention

In view of the above-mentioned prior art's not enough, the aim of this application is to provide a bonnet and a vehicle to avoid outside rainwater to influence the engine when improving the radiating effect, and the radiator cooling of rational utilization outside rainwater for the vehicle.

In a first aspect, the present application provides a hood, including fixed connection's shell and inner shell, be formed with the inside passageway between inner shell and the shell, the one end of inside passageway communicates with the external world through the opening on the shell, and the shell is equipped with the grid net that shields the opening on the shell, and the other end of inside passageway communicates to the engine compartment through the opening on the inner shell, and the opening on the inner shell is located the top of the radiator of vehicle along vertical direction.

The utility model provides a hood is through setting up fixed connection's shell and inner shell in order to shield the protection engine compartment, and the skeleton of shell can be regarded as to the inner shell for improve the bulk strength and the rigidity of hood. An opening is provided in the outer case by forming an inner passage between the outer case and the inner case so that the inner passage communicates with the outside through the opening. And meanwhile, an opening is arranged at the position of the inner shell corresponding to the radiator, so that the internal passage is communicated to a preset position in the engine compartment. Through setting up the grid mesh in order to shelter from the opening in the opening part on the shell for the air current can avoid foreign matter such as dust to get into the shell when passing through, thereby can improve the life of engine or other spare part.

It can be appreciated that the engine cover forms a passage between the outside and the engine cabin, so that the airflow negative pressure above the engine cover can be utilized to guide the hot airflow generated in the engine cabin out of the engine cabin during the running process of the vehicle. Meanwhile, under the raining working condition, the opening on the inner shell is arranged above the radiator of the vehicle, so that the inner passage can guide rainwater flowing in from outside to the radiator and cool the radiator, and the phenomenon that the engine is influenced by random turbulence of the external rainwater in the engine compartment is avoided.

In one embodiment, the housing includes a laminated outer plate and an outer trim panel, the outer plate is positioned below the outer trim panel, an opening in the housing is positioned in the outer trim panel, and the internal passageway communicates through the outer plate to the opening in the housing.

In this embodiment, including range upon range of planking and outer plaque through setting up the shell, set up the opening on the shell in outer plaque to make the inside passageway pass planking intercommunication to the opening of outer plaque, in order to guarantee that the inside passageway is with the design sense of hood can also be improved when external intercommunication, improve the sight of vehicle, thereby improve user experience.

In one embodiment, the outer panel and the outer fascia are removably connected.

In the embodiment, the outer plate and the outer decorative plate are detachably connected, so that the processing of the shell is facilitated.

In one embodiment, the internal passage forms a first through hole penetrating the outer plate, the grid mesh is fixed on the outer decorative plate, the number of the grid mesh is a plurality of, and projections of the grid mesh on the outer plate are all accommodated in the first through hole.

In the present embodiment, by fixing the grill net to the exterior trim panel, it is possible to ensure that foreign matters such as dust cannot enter the exterior panel, so that the vehicle can be cleaned. Meanwhile, the plurality of grid meshes which are uniformly distributed are arranged, so that the heat dissipation effect can be improved, and meanwhile, the aesthetic property of the vehicle can be improved. Through setting up the projection of grid net on the planking and all acceping in first through-hole to ensure that the outside rainwater that flows in of bonnet all circulates to the inner shell through first through-hole, avoid ponding on the planking, influence user experience.

In one embodiment, the outer decorative plate is provided with a diversion inclined plane, and the top of the diversion inclined plane is connected with the edge of the grid.

In this embodiment, based on the flow guiding inclined plane being located on the outer panel side near the outer panel, the top of the flow guiding inclined plane is connected to the edge of the grille net, so that rainwater entering from the grille net at the rear end of the engine cover is guided into the first through hole, which is beneficial to defining the flow path of external rainwater.

In one embodiment, the outer decorative plate is provided with a diversion inclined plane, and the bottom of the diversion inclined plane is connected with the edge of the grid.

In this embodiment, based on the water conservancy diversion inclined plane setting in outer plaque one side of keeping away from the planking, set up the bottom of water conservancy diversion inclined plane and connect in the edge of grid, still can be used for shielding partial rainwater when can guaranteeing that the hot air flow in the engine compartment flows smoothly.

In one embodiment, the inner shell includes a laminated inner plate and an inner panel, the inner panel is located below the inner plate, the opening in the inner shell is located in the inner panel, and the internal passageway communicates through the inner plate to the opening in the inner shell.

In this embodiment, the inner shell includes a laminated inner panel and an inner trim panel such that the inner panel provides support and reinforcement to the outer panel and the outer trim panel covers the engine compartment. The opening on the inner shell is arranged on the inner plaque, and the inner passage is communicated to the opening of the inner plaque through the inner plate, so that the inner passage is communicated with the engine compartment.

In one embodiment, the internal passageway forms a second through hole in the inner panel that is vertically aligned with the opening in the trim panel.

In this embodiment, by forming the second through hole in the inner panel and aligning the second through hole with the opening in the interior trim panel in the vertical direction, it is ensured that rainwater flowing onto the inner panel flows to the opening of the interior trim panel through the second through hole.

In one embodiment, the inner passage includes a guide groove provided on the inner plate, a top of the guide groove being located below the first through hole in a vertical direction, and a bottom of the guide groove being connected to the second through hole.

In this embodiment, the top of the diversion groove is located below the first through hole in the vertical direction by providing the diversion groove on the inner part, so as to accommodate the rainwater flowing into the inner shell from the first through hole. Meanwhile, the bottom of the diversion groove is connected to the second through hole so as to guide the received rainwater to the second through hole.

In one embodiment, the diversion groove is detachably connected with the main body of the inner plate, the second through hole is positioned on the diversion groove, and a sealing strip is arranged at the edge of the diversion groove, which is contacted with the main body of the inner plate, and is used for preventing rainwater flowing into the inner passage from penetrating into the inner decorative plate.

In this embodiment, based on the main part detachable connection of water conservancy diversion recess and inner panel, through set up the sealing strip at the edge that water conservancy diversion recess and inner panel's main part contacted to prevent to flow into the rainwater infiltration in the water conservancy diversion recess and on the interior trim panel, influence other position's spare part on the interior trim panel, influence user experience.

In one embodiment, the number of openings in the inner shell is plural, the openings in the inner shells are arranged side by side and are all located above the radiator of the vehicle, and the openings in the inner shells are used for forming a more uniform cooling effect on the radiator.

In this embodiment, through setting up a plurality of openings side by side in the position of the radiator of corresponding vehicle on the inner shell to make the rainwater that flows to the engine compartment more even shower on the radiator, can more comprehensively more evenly cool off the radiator, can improve the stability of radiator.

In one embodiment, the inner plate is provided with a via hole, and the via hole is spaced from the second via hole.

In the embodiment, through arranging the through holes which are mutually spaced with the second through holes on the inner plate, the weight of the engine cover is reduced, and the lightweight design of the vehicle is facilitated.

In a second aspect, the present application provides a vehicle comprising an engine compartment, a body, and a hood as in any of the embodiments described above. The engine compartment is fixed on the head of the vehicle body, and the engine cover is fixed on the engine compartment and used for shielding and protecting the engine compartment.

It can be appreciated that, because the engine cover provided in the first aspect of the application is used in the vehicle provided in the second aspect of the application, the heat dissipation effect in the engine compartment can be improved, and meanwhile, the external rainwater is reasonably utilized to cool the radiator of the vehicle, so that the service life of the vehicle is prolonged.

Drawings

FIG. 1 is a schematic illustration of a vehicle according to one embodiment of the present disclosure;

FIG. 2 is a schematic view of a partial structure of a vehicle according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a hood and nacelle skeleton provided in one embodiment of the present application;

FIG. 4 is a top view of a hood provided in one embodiment of the present application;

FIG. 5 is a bottom view of a hood provided in one embodiment of the present application;

FIG. 6 is a bottom view of an exterior trim panel provided in one embodiment of the present application;

FIG. 7 is a schematic view of the structure of an outer plate provided in one embodiment of the present application;

FIG. 8 is a schematic view of an inner plate according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of an interior panel and a cabin skeleton according to an embodiment of the present disclosure;

fig. 10 is a schematic structural diagram of a flow guiding groove according to an embodiment of the present disclosure.

Reference numerals: 200-vehicle; 201-a body main body; 202-an engine compartment; 2021-nacelle skeleton; 203-a heat sink; 100-engine cover; 10-a housing; 11-a first opening; 12-grid mesh; 13-an outer plaque; 131-bolts; 132-a first diversion ramp; 133-a second diversion ramp; 14-an outer plate; 141-bolt holes; 142-a first through hole; 20-an inner shell; 21-a second opening; 22-an inner plate; 221-a second via; 222-via holes; 23-an interior panel; 30-internal passages; 40-a diversion groove; 41-a water receiving section; 42-transition section; 43-export section; 44-sealing strips.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments that can be used to practice the present application. The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. Directional terms referred to in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., are merely directions referring to the attached drawings, and thus, directional terms are used for better, more clear description and understanding of the present application, rather than indicating or implying that the apparatus or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the drawings are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprises," "comprising," "includes," "including," "may be" or "including" as used in this application mean the presence of the corresponding function, operation, element, etc. disclosed, but not limited to other one or more additional functions, operations, elements, etc. Furthermore, the terms "comprises" or "comprising" mean that there is a corresponding feature, number, step, operation, element, component, or combination thereof disclosed in the specification, and that there is no intention to exclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, or combinations thereof.

Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of a vehicle 200 according to an embodiment of the present application; fig. 2 is a schematic partial structure of a vehicle 200 according to an embodiment of the present application.

As shown in fig. 1 and 2, a vehicle 200 provided in the present application includes a body main body 201, an engine compartment 202, and a hood 100. Wherein the engine compartment 202 is fixed to the body main body 201, and the engine compartment 202 is located at the head of the body main body 201 for housing an engine (not shown), a radiator 203, and the like. The engine is used to provide driving power to the vehicle 200, and a radiator 203 is located at the head of the nacelle 202 and is used to provide heat dissipation to the engine and other components within the nacelle 202. Nacelle 202 includes a nacelle skeleton 2021, and hood 100 is hinged to nacelle skeleton 2021 and covers nacelle 202 for protecting the engine and other components.

Referring to fig. 3 and fig. 4 in combination, fig. 3 is a cross-sectional view of a hood and a nacelle skeleton according to an embodiment of the present application; fig. 4 is a structural plan view of the engine cover 100 provided in one embodiment of the present application.

As shown in fig. 1 to 4, the engine cover 100 of the present application includes an outer case 10 and an inner case 20, the inner case 20 is fixedly connected to the outer case 10, the inner case 20 is located above an engine compartment 202 and covers the engine compartment 202, and the outer case 10 covers the inner case 20. The inner case 20 may serve as a skeleton of the outer case 10 for improving the overall strength and rigidity of the hood 100. The outer casing 10 is provided with a first opening 11 communicating with the outside, the inner casing 20 is provided with a second opening 21 communicating with the engine compartment 202, and the second opening 21 is located above the radiator 203 of the vehicle 200 in the vertical direction. An internal passage 30 is formed between the inner case 20 and the outer case 10, and one end of the internal passage 30 communicates with the outside through the first opening 11 and the other end communicates with the engine compartment 202 through the second opening 21. Meanwhile, the first opening 11 is provided with the grid mesh 12 to shield the first opening 11, so that the air flow can pass through the first opening 11 while foreign matters such as dust are prevented from entering the shell 10, and the service life of an engine or other parts can be prolonged.

It will be appreciated that the hood 100 of the present application creates a passageway between the exterior and the engine compartment 202 such that the airflow negative pressure above the hood 100 may be used to direct the flow of hot air generated within the engine compartment 202 out of the engine compartment 202 during travel of the vehicle 200. Meanwhile, under the raining condition, the opening on the inner shell 20 is arranged above the radiator 203 of the vehicle 200, so that the inner passage 30 can guide the rainwater flowing in from outside to the radiator 203 and cool the radiator 203, and the influence of random turbulence of the external rainwater in the engine compartment 202 on the engine is avoided.

As shown in fig. 1 to 5, in one embodiment, the housing 10 includes an exterior trim panel 13 and an exterior panel 14, the exterior panel 14 is located below the exterior trim panel 13, the first opening 11 is provided on the exterior trim panel 13, and the internal passage 30 communicates to the first opening 11 through the exterior panel 14. It will be appreciated that in the present embodiment, the exterior trim panel 13 is provided above the outer panel 14 for decorating the hood 100. The first opening 11 is disposed on the outer decoration plate 13, and the internal passage 30 passes through the outer plate 14 and is communicated to the first opening 11 on the outer decoration plate 13, so that the design sense of the engine cover 100 can be improved while the internal passage 30 is communicated with the outside, the ornamental value of the vehicle 200 is improved, and the user experience is improved.

In one embodiment, the material of the outer plate 14 includes, but is not limited to, aluminum material. It will be appreciated that the aluminum-based material is a lightweight alloy material having advantages of low density, high strength, good thermal conductivity, and the like, and that the outer panel 14 is made of an aluminum material so as to enable the lightweight design of the vehicle 200 while ensuring the strength and rigidity of the hood 100. While the material of the exterior trim panel 13 includes, but is not limited to, plastic, carbon fiber, and the like.

As shown in fig. 1 to 7, in one embodiment, the outer panel 13 includes a bolt 131, the outer panel 14 includes a bolt hole 141, and the outer panel 13 and the outer panel 14 are detachably connected by co-operation of the bolt 131 and the bolt hole 141, so that the processing of the housing 10 is facilitated, and only parts need to be replaced when the housing 10 is partially damaged, thereby being beneficial to reducing the cost. In another embodiment, the fixing outer plate 14 and the outer decorative plate 13 may be connected by a snap or other method, which is not particularly limited in this application.

In one embodiment, the internal passages 30 form first through holes 142 penetrating the outer panel 14, the grids 12 are fixed to the outer trim panel 13, and the number of the grids 12 is plural, and projections of the grids 12 on the outer panel 14 are accommodated in the first through holes 142.

It will be appreciated that in the present embodiment, the grill net 12 is fixed to the exterior trim panel 13, so that it is ensured that foreign matter such as dust cannot enter the exterior panel 14, so as to facilitate cleaning of the vehicle 200. The provision of a plurality of evenly distributed grille nets 12 can improve the heat dissipation effect and the aesthetic appearance of the vehicle 200. The projections of the grid mesh 12 on the outer plate 14 are all accommodated in the first through holes 142, so that rainwater flowing in from the outside of the engine cover 100 can flow to the inner shell 20 through the first through holes 142, and water accumulation on the outer plate 14 is avoided, and user experience is prevented from being influenced.

As shown in fig. 2 to 6, in one embodiment, the outer decorative plate 13 is provided with a first diversion slope 132, and the top of the first diversion slope 132 is connected to the edge of the grid mesh 12. Specifically, the first diversion inclined plane 132 is located on one side of the outer decoration plate 13 near the outer plate 14, and the top of the first diversion inclined plane 132 is connected to the edge of the grid net 12 relatively far back, and the front end of the first diversion inclined plane 132 is closer to the outer plate 14 than the rear end of the first diversion inclined plane 132.

It will be appreciated that in the present embodiment, the first diversion slope 132 has a slope and the lower end is closer to the outer panel 14, so that rainwater entering from the grille net 12 at the rear end of the hood 100 is guided into the first through holes 142, which is advantageous in defining the circulation path of external rainwater. Meanwhile, during the running process of the vehicle 200, the first diversion slope 132 makes the flow direction of the hot air in the engine compartment 202 be the same as the flow direction of the external air, so that the hot air is smoothly discharged.

As shown in fig. 2 to 4, in one embodiment, the outer decorative plate 13 is provided with a second diversion slope 133, and the bottom of the second diversion slope 133 is connected to the edge of the grid mesh 12. Specifically, the second diversion inclined plane 133 is located at a side of the outer decoration plate 13 away from the outer plate 14, and the bottom of the second diversion inclined plane 133 is connected to the edge of the grid net 12 relatively forward, and the front end of the first diversion inclined plane 132 is closer to the outer plate 14 than the rear end of the first diversion inclined plane 132.

It will be appreciated that in the present embodiment, the second diversion slope 133 has a slope, and the lower end is closer to the outer plate 14, so as to ensure that the hot air flow in the engine compartment 202 flows out smoothly, and at the same time, can be used to shield part of the rainwater.

As shown in fig. 1 to 9, in one embodiment, the inner case 20 includes an inner plate 22 and an inner panel 23, the inner panel 23 is located below the inner plate 22, the second opening 21 is provided to the inner panel 23, and the internal passage 30 communicates to the second opening 21 through the inner plate 22. It will be appreciated that the inner panel 22 may provide support and reinforcement to the outer panel 14 and the outer fascia 13 may be used to sealingly cover the engine compartment 202. The second opening 21 is provided to the interior trim panel 23, and the internal passage 30 is made to communicate to the second opening 21 through the inner panel 22 to ensure that the internal passage 30 communicates with the engine compartment 202.

In one embodiment, the internal passageway 30 forms a second through hole 221 on the inner plate 22, the second through hole 221 being vertically aligned with the second opening 21. It will be appreciated that providing the second through hole 221 in alignment with the second opening 21 in the vertical direction ensures that rainwater flowing onto the inner panel 22 flows to the second opening 21 through the second through hole 221.

It should be noted that, in one embodiment, the inner panel 22 and the outer panel 14 are fixed by welding the periphery, and in another embodiment, the inner panel 22 and the outer panel 14 may be connected by bolts. When the outer plate 14 and the inner plate 22 are made of carbon fiber, they may be fixedly connected by gluing, which is not particularly limited in this application.

As shown in fig. 1 to 10, in one embodiment, the inner passage 30 includes a guide groove 40 provided on the inner plate 22, a top of the guide groove 40 is located vertically below the first through hole 142, and a bottom of the guide groove 40 is connected to the second through hole 221.

It will be appreciated that the diversion trench 40 is provided on the inner panel 22 such that the top of the diversion trench 40 is located vertically below the first through hole 142, and the diversion trench 40 can receive rainwater flowing into the inner housing 20 from the first through hole 142. At the same time, the bottom of the diversion trench 40 is connected to the second through hole 221, so that the received rainwater can be guided to the second through hole 221. Specifically, the diversion trench 40 includes a water receiving section 41, a transition section 42 and a guiding section 43 (please refer to fig. 10 in cooperation) connected in order. The distances from the water receiving section 41, the transition section 42 and the guiding-out section 43 to the engine compartment 202 are smaller and smaller, namely, the whole diversion groove 40 is in an inclined state. The water receiving section 41 is used for receiving rainwater flowing down from the first through hole 142, and the transition section 42 is used for accelerating the circulation speed of the rainwater. The second through hole 221 is provided at the lead-out section 43, and the second through hole 221 overlaps with the second opening 21 to guide rainwater to a designated position.

In one embodiment, the material of the flow-directing grooves 40 is plastic. The plastic-based, inexpensive and lightweight design is advantageous for cost reduction while facilitating lightweight design of the vehicle 200.

In one embodiment, the guide groove 40 is detachably connected to the main body of the inner plate 22, the second through hole 221 is located on the guide groove 40, and the edge of the guide groove 40 contacting the main body of the inner plate 22 is provided with the sealing strip 44. It can be appreciated that, based on the detachable connection between the diversion trench 40 and the main body of the inner plate 22, the sealing strip 44 is disposed at the edge where the diversion trench 40 contacts with the main body of the inner plate 22, so as to prevent the rainwater flowing into the diversion trench 40 from penetrating into the inner decoration plate 23, which affects other parts on the inner decoration plate 23 and affects the user experience.

In one embodiment, a sealing strip 44 is also provided at the junction of the diversion trench 40 and the second opening 21 of the inner decorative plate 23 to prevent rainwater leakage.

It should be noted that, in another embodiment, the flow guiding groove 40 and the inner plate 22 may be integrally formed.

In one embodiment, the number of the second openings 21 is plural, and the plural second openings 21 are arranged side by side and are each located above the radiator 203 of the vehicle 200. It will be appreciated that providing a plurality of side-by-side second openings 21 in the inner housing 20 at locations corresponding to the radiator 203 of the vehicle 200 may allow rainwater flowing into the engine compartment 202 to shower more evenly over the radiator 203, may cool the radiator 203 more comprehensively and more evenly, and may improve the stability of the radiator 203.

As shown in fig. 8, in one embodiment, the inner plate 22 is provided with a via hole 222, and the via hole 222 is spaced apart from the second via hole 221. It can be appreciated that, in the present embodiment, the through holes 222 spaced apart from the second through holes 221 are provided on the inner panel 22, so that the weight of the hood 100 can be reduced, which is advantageous for the lightweight design of the vehicle 200.

In summary, the engine cover 100 provided in the present application has at least the following advantages: 1) During the running of the vehicle 200, the engine cover 100 can utilize the negative pressure of the air flow above the engine cover 100 to extract the hot air flow inside the engine compartment 202 through the internal passage 30, which is beneficial to cooling the heat inside the engine compartment 202; 2) During the running of the vehicle 200, the engine cover 100 can play a role in dust prevention, and the service life of the engine and other parts in the engine compartment 202 can be prolonged; 3) Under the raining condition, the diversion groove 40 can collect rainwater and guide the rainwater to the head of the engine compartment 202, and the rainwater flows to the radiator 203 through the second opening 21 of the inner decoration plate 23 to cool the radiator 203; 4) In rainy conditions, the hood 100 will not randomly turbulence within the nacelle 202 nor will it accumulate water between the inner and outer panels 22, 14, affecting the user experience.

It should be appreciated that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, reference to the terms "some embodiments," "illustrative embodiments," "examples," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiments or examples is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments.

It is to be understood that the application of the present application is not limited to the examples described above, but that modifications and variations can be made by a person skilled in the art from the above description, all of which modifications and variations are intended to fall within the scope of the claims appended hereto. Those skilled in the art will recognize that the implementations of all or part of the procedures described in the embodiments described above and in accordance with the equivalent arrangements of the claims are within the scope of the present application.

Claims (10)

1. The utility model provides a bonnet, its characterized in that includes fixed connection's shell and inner shell, the inner shell with be formed with the inside passageway between the shell, the one end of inside passageway is passed through opening on the shell communicates with the external world, just the shell is equipped with and shields the open-ended grid net on the shell, the other end of inside passageway is passed through opening on the inner shell communicates to the engine compartment, just the opening on the inner shell is located the top of the radiator of vehicle along vertical direction.

2. The hood according to claim 1 wherein the outer shell includes a laminated outer panel and an outer panel, the outer panel being positioned below the outer panel, the opening in the outer shell being provided in the outer panel and the internal passageway communicating through the outer panel to the opening in the outer shell.

3. The hood according to claim 2 wherein said interior passage forms a first through hole therethrough in said outer panel, said grille net is secured to said outer trim panel and a plurality of said grille nets are provided, projections of a plurality of said grille nets on said outer panel being received in said first through hole.

4. A hood according to claim 3 wherein said exterior trim panel is provided with a deflector ramp, the bottom of said deflector ramp being connected to the edge of said grille or the top of said deflector ramp being connected to the edge of said grille.

5. The hood according to claim 3 wherein the inner shell includes a laminated inner panel and an inner panel, the inner panel being located below the inner panel, the opening in the inner shell being located in the inner panel and the internal passageway communicating through the inner panel to the opening in the inner shell.

6. The hood according to claim 5 wherein the interior passage forms a second through hole in the inner panel that is vertically aligned with the opening in the trim panel.

7. The hood according to claim 6 wherein the internal passage includes a flow guiding groove provided on the inner panel, a top of the flow guiding groove being located vertically below the first through hole, a bottom of the flow guiding groove being connected to the second through hole.

8. The hood according to claim 7 wherein the guide groove is detachably connected to the main body of the inner panel, the second through hole is located on the guide groove, and an edge of the guide groove contacting the main body of the inner panel is provided with a sealing strip for preventing rainwater flowing into the inner passage from penetrating into the inner trim panel.

9. The hood according to any one of claims 1-8 wherein the number of openings in said inner shell is plural, said openings in said inner shell being disposed side-by-side and each being located above a radiator of said vehicle, said openings in said inner shell being adapted to provide a more uniform cooling effect for said radiator.

10. A vehicle comprising an engine compartment, a body, and a hood as claimed in any one of claims 1 to 9, the engine compartment being secured to a head of the body, the hood concealing the engine compartment.