Vehicle bottom protection plate and vehicle
By optimizing the flange structure of the vehicle's underbody protection plate, airflow is guided to flow downwards and to the rear, solving the problem of airflow impacting the bottom of the vehicle and improving the vehicle's driving range.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-31
AI Technical Summary
The existing underbody protection plate's flanged design causes airflow to impact the bottom of the vehicle upwards during driving, increasing airflow resistance and affecting driving range.
Design a vehicle underbody protection plate with a flanged structure including an upper extension, a first lower extension, and a first flat extension. The upper extension and the first lower extension guide the airflow to flow downward and backward, and then horizontally, reducing the impact of the airflow on the bottom of the vehicle.
It effectively reduces the impact drag of airflow on the bottom of the vehicle, thereby increasing the vehicle's driving range.
Smart Images
Figure CN224060939U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle technology, and in particular to a vehicle underbody protection plate and a vehicle having the vehicle underbody protection plate. Background Technology
[0002] The related technology provides a vehicle with an underbody protection plate installed at the bottom of the vehicle to protect components installed on the bottom of the vehicle. The rear end of the underbody protection plate has an upwardly extending flange structure to better cover the components to be protected.
[0003] The aforementioned underbody protection plate has the following shortcomings in practical applications: Because the flange structure at the rear end of the underbody protection plate extends upwards, when the air flows along the underbody protection plate during vehicle operation, it will create an upward airflow that impacts the bottom of the vehicle, thereby generating significant impact resistance on the bottom of the vehicle and thus affecting the improvement of the vehicle's driving range. Utility Model Content
[0004] The first objective of this utility model is to provide a vehicle underbody protection plate, which aims to solve the technical problem in the related art where the unreasonable structural design of the vehicle underbody protection plate leads to a large airflow impact on the bottom of the vehicle.
[0005] To achieve the above objectives, the present invention provides a vehicle underbody protection plate, comprising:
[0006] Protective panel body;
[0007] A flange structure is provided on the edge of the main body of the protective plate;
[0008] The flange structure includes an upper extension, a first lower extension, and a first flat extension. One end of the upper extension is connected to the edge of the underbody and extends from the edge of the underbody in a direction away from the ground when the underbody is installed on the bottom of the vehicle. The first lower extension is located between the upper extension and the first flat extension and extends towards the ground to the first flat extension when the underbody is installed on the bottom of the vehicle. One end of the first flat extension is connected to the first lower extension and extends straight towards the rear of the vehicle when the underbody is installed on the bottom of the vehicle.
[0009] In one embodiment, the first flat extension includes a first bottom plane, which extends straight from the first lower extension in a direction away from the body of the underbody, and the first bottom plane is configured to face the ground when the vehicle underbody is installed on the bottom of the vehicle;
[0010] The underbody includes a second bottom plane, which extends straight to the upper extension and is configured to face the ground when the underbody is installed on the bottom of the vehicle.
[0011] The second bottom plane is coplanar with the first bottom plane.
[0012] In one implementation, the upper extension extends along a first curved trajectory, or along a first vertical trajectory perpendicular to the first flat extension, or along a first oblique trajectory inclined to the first flat extension.
[0013] The first lower extension extends along a second curved trajectory, or along a second vertical trajectory perpendicular to the first flat extension, or along a second oblique trajectory inclined to the first flat extension.
[0014] In one embodiment, the flange structure further includes a transition portion, which is connected between the end of the upper extension portion away from the main body of the guard plate and the end of the first lower extension portion away from the first flat extension portion, and the transition portion extends in an arc shape or in a straight line.
[0015] In one embodiment, the dimension of the first flat extension extending straight from the first lower extension in a direction away from the main body of the protective plate is greater than or equal to the distance between the first flat extension and the main body of the protective plate;
[0016] And / or, the first flat extension extends straight from the first lower extension in a direction away from the main body of the guard plate with a dimension greater than or equal to 15 mm, and the distance between the first flat extension and the main body of the guard plate is less than or equal to 15 mm.
[0017] In one embodiment, the protective plate body includes a second flat extension, a second lower extension, and a third flat extension, wherein the second lower extension is disposed between the second flat extension and the third flat extension;
[0018] The second flat extension extends straight toward the second lower extension;
[0019] The third flat extension extends straight from the second lower extension toward the upper extension;
[0020] The second lower extension is used to extend from the second flat extension to the third flat extension along an arc-shaped trajectory or a straight oblique trajectory toward the ground when the vehicle underbody protection plate is installed on the bottom of the vehicle.
[0021] In one embodiment, the underbody of the guard plate also forms a plurality of spaced air guide grooves, which are arranged facing the ground and extending parallel to the vehicle's forward direction when the underbody guard plate is installed on the bottom of the vehicle.
[0022] The second objective of this utility model is to provide a vehicle comprising a body and the aforementioned vehicle underbody protection plate, wherein the vehicle underbody protection plate is disposed under the body.
[0023] In one embodiment, the vehicle further includes a fuel tank, which is installed at the bottom of the vehicle body, the main body of the protective plate covers the bottom of the fuel tank, and the flange structure covers the rear of the fuel tank.
[0024] In one embodiment, the vehicle body includes a left sill and a right sill that are spaced apart and opposite to each other. The vehicle underbody protection plate is an integrally formed plate, and one side of the plate body is connected to one of the left sill and the right sill via a connecting frame, while the other side of the plate body is directly connected to the other of the left sill and the right sill.
[0025] And / or, the vehicle further includes a fuel tank and pipelines, the vehicle body includes a left sill and a right sill that are spaced apart and opposite to each other, the fuel tank and the pipelines are both located between the left sill and the right sill, and the pipelines are located between the fuel tank and the left sill or between the fuel tank and the right sill, the vehicle underbody protection plate is an integrally formed plate, the main body of the protection plate covers the bottom of the fuel tank and the bottom of the pipelines, and the flange structure covers the rear of the fuel tank.
[0026] The vehicle underbody protection plate and vehicle provided by this utility model are configured by setting the flange structure of the vehicle underbody protection plate to include an upper extension, a first lower extension, and a first flat extension. The upper extension is set to extend from the edge of the main body of the protection plate in a direction away from the ground, the first lower extension is set to extend towards the ground to the first flat extension, and the first flat extension is set to extend straight from the first lower extension towards the rear of the vehicle. In this way, the vehicle underbody protection plate can not only ensure the protective effect of the vehicle underbody protection plate on the bottom components, but also guide the airflow flowing along the vehicle underbody protection plate to flow towards the rear and lower part of the vehicle and then flow horizontally through the first lower extension and the first flat extension. This can prevent the airflow flowing along the vehicle underbody protection plate from impacting the bottom of the vehicle from the rear end of the vehicle underbody protection plate, effectively reducing the impact resistance of the airflow on the bottom of the vehicle during vehicle driving, and thus helping to improve the vehicle's driving range. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0028] Figure 1 This is a three-dimensional schematic diagram of a vehicle underbody protection plate provided in an embodiment of this utility model;
[0029] Figure 2 This is a three-dimensional schematic diagram of the vehicle underbody protection plate provided in another embodiment of the present utility model;
[0030] Figure 3 yes Figure 2 A magnified view of a portion of point A in the middle;
[0031] Figure 4 This is a schematic diagram of one embodiment of the flange structure provided in this utility model.
[0032] Figure 5 This is a schematic diagram of another embodiment of the flange structure provided in this utility model;
[0033] Figure 6 This is a schematic diagram of another embodiment of the flange structure provided in this utility model;
[0034] Figure 7 yes Figure 2 A top-down view;
[0035] Figure 8 yes Figure 1 Front view diagram;
[0036] Figure 9 yes Figure 8 A magnified view of a portion of point B in the middle.
[0037] Explanation of reference numerals in the attached drawings: 100, vehicle underbody protection plate; 110, main body of the protection plate; 111, second flat extension; 112, second lower extension; 113, third flat extension; 113a, second bottom plane; 114, air guide slot; 115, first connecting hole; 116, second connecting hole; 117, third connecting hole; 118, fourth connecting hole; 120, flange structure; 121, upper extension; 122, first lower extension; 123, first flat extension; 123a, first bottom plane; 124, transition section; 125, groove. Detailed Implementation
[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0039] Reference Figure 1 As shown, this utility model embodiment provides a vehicle underbody protection plate 100, which is used to install on the bottom of a vehicle to protect the components on the bottom of the vehicle.
[0040] Reference Figure 1 As shown, in one embodiment, the vehicle underbody protection plate 100 includes a plate body 110 and a flange structure 120, with the flange structure 120 disposed at the edge of the plate body 110. When the vehicle underbody protection plate 100 is installed on the bottom of a vehicle, the flange structure 120 is positioned behind the plate body 110 along the vehicle's forward direction. The plate body 110 covers the bottom of the vehicle's underbody components, and the flange structure 120 covers at least the rear of the vehicle's underbody components. The cooperation between the plate body 110 and the flange structure 120 enhances the protective effect on the vehicle's underbody components.
[0041] Reference Figures 1 to 4As shown, in one embodiment, the flange structure 120 includes an upper extension 121, a first lower extension 122, and a first flat extension 123. One end of the upper extension 121 is connected to the edge of the underbody 110 and is used to extend from the edge of the underbody 110 away from the ground when the underbody 100 is installed on the bottom of the vehicle. The first lower extension 122 is disposed between the upper extension 121 and the first flat extension 123 and is used to extend towards the ground to the first flat extension 123 when the underbody 100 is installed on the bottom of the vehicle. The first flat extension 123 is connected to one end of the first lower extension 122 and is used to extend straight towards the rear of the vehicle when the underbody 100 is installed on the bottom of the vehicle. Specifically, the first flat extension 123 and the underbody 110 are spaced apart along a first horizontal direction (front-to-back direction). The upper extension 121 extends upward from the edge of the underbody 110 to protect the rear of the vehicle's bottom components. The first lower extension 122 extends downward from top to bottom to the first flat extension 123, and the first flat extension 123 extends horizontally towards the rear of the vehicle. The upper extension 121 is mainly used to cooperate with the underbody 110 to cover the components under the vehicle. The first lower extension 122 and the first flat extension 123 are mainly used to guide the airflow flowing along the underbody 100 towards the rear and then horizontally. In practical application, during vehicle operation, the airflow pattern under the vehicle is as follows: air first flows along the underbody 110 towards the rear of the vehicle, then flows upward along the upper extension 121, then flows downward along the first lower extension 122, and finally extends horizontally towards the rear of the vehicle along the first flat extension 123. This implementation scheme optimizes the design of the flange structure 120 of the vehicle underbody protection plate 100, so that the airflow at the rear end of the vehicle underbody protection plate 100 first flows upward, then downward, and then horizontally to the rear of the vehicle. This avoids the airflow flowing along the vehicle underbody protection plate 100 impacting the bottom of the vehicle from the rear end of the vehicle underbody protection plate 100, effectively reducing the phenomenon of airflow impacting the bottom of the vehicle during vehicle operation, and helping to ensure the stability of airflow, thereby helping to improve the vehicle's driving range.
[0042] In one embodiment, the first flat extension 123 includes a first bottom surface and a first top surface, which are spaced apart and disposed opposite to each other. The first bottom surface is positioned facing the ground when the vehicle underbody protection plate 100 is installed on the bottom of the vehicle, and the first top surface is positioned facing away from the ground when the vehicle underbody protection plate 100 is installed on the bottom of the vehicle, i.e., the first bottom surface is located below the first top surface. When the vehicle underbody protection plate 100 is installed on the bottom of the vehicle, the first bottom surface is the lower surface of the first flat extension 123, and the first top surface is the upper surface of the first flat extension 123.
[0043] Reference Figure 2 , Figure 3 and Figure 4As shown, in one embodiment, the first bottom surface is a first bottom plane 123a. The first bottom plane 123a extends straight from the first lower extension 122 in a direction away from the underbody 110, and the first bottom plane 123a is used to face the ground when the vehicle underbody 100 is installed on the bottom of the vehicle. In this embodiment, the first extension 123 is configured to include the first bottom plane 123a, that is, the bottom surface of the first extension 123 is configured as a plane extending in the horizontal direction. In this way, the bottom surface of the first extension 123 can be used to guide the airflow at the rear end of the vehicle underbody 100 to flow horizontally, and it is beneficial to ensure the stability of the airflow, thereby preventing the airflow flowing through the rear end of the vehicle underbody 100 from impacting the bottom of the vehicle upward.
[0044] In one embodiment, the underbody panel 110 includes a second bottom surface and a second top surface, which are spaced apart and opposite to each other. The second bottom surface is positioned facing the ground when the underbody panel 100 is installed on the bottom of the vehicle, and the second top surface is positioned facing away from the ground when the underbody panel 100 is installed on the bottom of the vehicle, i.e., the second bottom surface is located below the second top surface. When the underbody panel 100 is installed on the bottom of the vehicle, the second bottom surface is the lower surface of the underbody panel 110, and the second top surface is the upper surface of the underbody panel 110.
[0045] Reference Figure 1 , Figure 3 and Figure 4 As shown, in one embodiment, the second bottom surface includes a second bottom plane 113a, which extends straight to the upper extension 121, and is configured to face the ground when the vehicle underbody protection plate 100 is installed on the bottom of the vehicle. In this embodiment, the underbody protection plate body 110 is configured to include the second bottom plane 113a, meaning that at least a portion of the bottom surface of the underbody protection plate body 110 is configured as a plane extending horizontally to the flange structure 120. This facilitates a smoother airflow from the underbody protection plate body 110 to the flange structure 120.
[0046] Reference Figure 1 , Figure 3 and Figure 4 As shown, in one embodiment, the second bottom plane 113a and the first bottom plane 123a are coplanar, meaning they are flush in the vehicle's height direction (vertical direction). This facilitates smooth airflow and makes the manufacturing of the vehicle underbody protection plate 100 easier. Of course, in specific applications, as an alternative embodiment, the second bottom plane 113a can be set slightly higher or slightly lower than the first bottom plane 123a.
[0047] In one implementation, the upper extension 121 extends along a first curved trajectory. The first curved trajectory can be a single arcuate line or formed by a series of arcuate lines connected sequentially. In this embodiment, the upper extension 121 extends along a curved trajectory, which makes the top and bottom surfaces of the upper extension 121 relatively smooth, thereby helping to avoid stress concentration. Of course, in specific applications, the extension trajectory of the upper extension 121 is not limited to this. For example, as an alternative implementation, the upper extension 121 extends along a first vertical straight line trajectory perpendicular to the first flat extension 123. In this alternative implementation, the upper extension 121 extends vertically upward from the edge of the guard plate body 110. Alternatively, as another alternative implementation, the upper extension 121 extends along a first oblique straight line trajectory inclined relative to the first flat extension 123. In this alternative implementation, the upper extension 121 extends obliquely upward from the edge of the guard plate body 110 towards the rear of the vehicle.
[0048] In one implementation, the first lower extension 122 extends along a second curved trajectory. The second curved trajectory can be a single arcuate line or formed by a series of arcuate lines connected sequentially. In this embodiment, the first lower extension 122 extends along a curved trajectory, which makes the top and bottom surfaces of the first lower extension 122 relatively smooth, thereby helping to avoid stress concentration. Of course, in specific applications, the extension trajectory of the first lower extension 122 is not limited to this. For example, as an alternative implementation, the first lower extension 122 extends along a second vertical straight line trajectory perpendicular to the first flat extension 123. In this alternative implementation, the first lower extension 122 extends vertically from top to bottom. Alternatively, as another alternative implementation, the first lower extension 122 extends along a second oblique straight line trajectory inclined relative to the first flat extension 123. In this alternative implementation, the first lower extension 122 extends obliquely from the edge of the guard plate body 110 towards the rear and lower part of the vehicle.
[0049] Reference Figure 1 , Figure 3 and Figure 4As shown, in one embodiment, the flange structure 120 further includes a transition portion 124, which connects the end of the upper extension 121 away from the protective plate body 110 and the end of the first lower extension 122 away from the first flat extension 123. The transition portion 124 extends in an arc shape or straight. The flange structure 120 includes an upper extension 121, a transition portion 124, a first lower extension 122, and a first flat extension 123 extending sequentially from the edge of the protective plate body 110. The upper extension 121 extends upward from the edge of the protective plate body 110 to one end of the transition portion 124, and the first lower extension 122 extends downward from the other end of the transition portion 124 to the first flat extension 123. The transition portion 124 is mainly used to transition between the top end of the upper extension 121 and the top end of the first lower extension 122. Of course, in specific applications, as an alternative embodiment, the flange structure 120 may not include the transition portion 124.
[0050] Reference Figure 2 , Figure 3 and Figure 4 As shown, in one embodiment, the upper extension 121, the transition portion 124, and the first lower extension 122 constitute an upward arch structure, which is an upwardly arched structure. The upward arch structure forms a downward-opening groove 125 at the bottom of the vehicle underbody protection plate 100 and an upwardly protruding rib at the top of the vehicle underbody protection plate 100.
[0051] Reference Figure 1 and Figure 4 As shown, in one embodiment, the flange structure 120 includes an upper extension 121, a transition portion 124, a first lower extension 122, and a first flat extension 123 extending sequentially from the edge of the protective plate body 110. The upper extension 121 extends along a first curved trajectory, the first lower extension 122 extends along a second curved trajectory, and the transition portion 124 extends straight. Alternatively, in an alternative embodiment, the flange structure 120 includes an upper extension 121, a first lower extension 122, and a first flat extension 123 extending sequentially from the edge of the protective plate body 110. The upper extension 121 extends along a first curved trajectory, and the first lower extension 122 extends along a second curved trajectory. The upper extension 121 and the first lower extension 122 form a semi-circular structure or a parabolic structure. Or, refer to... Figure 1 and Figure 5 As shown, in another alternative embodiment, the flange structure 120 includes an upper extension 121, a transition portion 124, a first lower extension 122, and a first flat extension 123 extending sequentially from the edge of the guard plate body 110. The upper extension 121 extends along a first vertical line trajectory, the first lower extension 122 extends along a second vertical line trajectory, and the transition portion 124 extends flatly. The upper extension 121, the transition portion 124, and the first lower extension 122 form a rectangular structure. Alternatively, refer to... Figure 1 and Figure 6As shown, as another alternative embodiment, the flange structure 120 includes an upper extension 121, a transition portion 124, a first lower extension 122, and a first flat extension 123 extending sequentially from the edge of the guard plate body 110. One of the upper extension 121 and the first lower extension 122 extends along a diagonal straight line trajectory, and the other extends along a vertical straight line trajectory or along a diagonal straight line trajectory. The transition portion 124 extends in a flat direction. The upper extension 121, the transition portion 124, and the first lower extension 122 form a trapezoidal structure.
[0052] Reference Figure 1 , Figure 3 and Figure 4 As shown, in one embodiment, the dimension L1 of the first flat extension 123 extending straight from the first lower extension 122 away from the main body 110 of the underbody is greater than or equal to the distance L2 between the first flat extension 123 and the main body 110 of the underbody. The dimension L1 of the first flat extension 123 extending straight from the first lower extension 122 away from the main body 110 of the underbody is the dimension of the first flat extension 123 extending straight backward from the bottom end of the first lower extension 122, which is the width of the straight portion at the tail end of the flange structure 120. The distance L2 between the first flat extension 123 and the main body 110 of the underbody is the groove width of the groove 125 formed at the bottom of the flange structure 120. In this embodiment, by setting the width of the straight portion at the tail end of the flange structure 120 to be greater than or equal to the groove width of the groove 125 formed at the bottom of the flange structure 120, it is beneficial to make the airflow smoother as it flows backward through the tail end of the vehicle underbody 100, thereby reducing the impact of airflow on the bottom of the vehicle.
[0053] In one embodiment, the first flat extension 123 extends straight from the first lower extension 122 in a direction away from the main body 110 of the guard plate with a dimension L1 greater than or equal to 15mm, that is, the dimension of the first flat extension 123 extending straight backward is greater than or equal to 15mm. This helps to ensure that the first flat extension 123 has a sufficiently large width, which can guide the airflow to flow horizontally and smoothly to the rear of the vehicle.
[0054] In one implementation, the distance L2 between the first flat extension 123 and the guard plate body 110 is less than or equal to 15mm, that is, the groove width of the groove 125 formed at the bottom of the flange structure 120 is less than or equal to 15mm. This ensures that the width of the groove 125 is not too large, thereby helping to ensure the stability of the airflow direction.
[0055] Reference Figure 1 , Figure 4 , Figure 8 and Figure 9As shown, in one embodiment, the underbody panel 110 includes a second flat extension 111, a second lower extension 112, and a third flat extension 113. The second lower extension 112 is disposed between the second flat extension 111 and the third flat extension 113, and the third flat extension 113 is disposed between the second lower extension 112 and the upper extension 121. The second flat extension 111 extends straight toward the second lower extension 112. The third flat extension 113 extends straight from the second lower extension 112 toward the upper extension 121. The second lower extension 112 is used to extend along an arcuate or oblique straight path toward the ground from the second flat extension 111 to the third flat extension 113 when the vehicle underbody panel 100 is installed on the bottom of the vehicle. The bottom of the third flat extension 113 forms the aforementioned second bottom plane 113a. Both the second flat extension 111 and the third flat extension 113 extend straight from front to back. The second lower extension 112 extends downward from the tail end of the second flat extension 111 to the third flat extension 113. This allows the bottom plane of the third flat extension 113 to be flush with or lower than the rear suspension structure of the vehicle, thereby reducing the impact of airflow on the bottom of the vehicle.
[0056] Reference Figures 1 to 3 As shown, in one embodiment, the underbody 110 also has multiple spaced-apart air guide channels 114. The air guide channels 114 are arranged facing the ground and extending parallel to the vehicle's forward direction when the underbody 100 is installed on the bottom of the vehicle, that is, the air guide channels 114 extend from front to back. The arrangement of the air guide channels 114 can, on the one hand, strengthen the structural strength of the underbody 110, and on the other hand, better guide the airflow direction.
[0057] In one embodiment, at least one air guide groove 114 extends from the second lower extension 112 to the third flat extension 113.
[0058] In one implementation, the vehicle underbody protection plate 100 is integrally manufactured by a mold, that is, the vehicle underbody protection plate 100 is a single component, rather than being assembled from multiple components.
[0059] This embodiment of the utility model also provides a vehicle, which includes a body and the aforementioned vehicle underbody protection plate 100, the vehicle underbody protection plate 100 being disposed under the body. Because this embodiment uses the aforementioned vehicle underbody protection plate 100, it not only ensures the protective function of the vehicle underbody protection plate 100 for the vehicle's bottom components, but also reduces the upward airflow resistance to the vehicle's bottom during driving, thereby helping to reduce fuel consumption during driving and thus improving the vehicle's driving range.
[0060] In one embodiment, the vehicle also includes a fuel tank (not shown), which is installed at the bottom of the vehicle body. A protective plate body 110 covers the bottom of the fuel tank, and a flanged structure 120 covers the rear of the fuel tank. As a crucial component for storing vehicle fuel, the fuel tank is protected by a vehicle underbody protection plate 100 to prevent damage from external objects. In this embodiment, the components to be protected by the vehicle underbody protection plate 100 include the fuel tank; that is, the vehicle underbody protection plate 100 is a bottom protector for the fuel tank. Of course, in specific applications, the vehicle underbody protection plate 100 is not limited to protecting the vehicle's fuel tank. For example, as an alternative embodiment, the vehicle underbody protection plate 100 can also be used to protect the vehicle's battery, engine, etc.
[0061] In prior art, the focus of the fuel tank underbody protection plate was on protecting the fuel tank. The underbody protection plate adopted a conformal structure that wrapped around the fuel tank, neglecting its role in guiding airflow. This resulted in airflow impacting the bottom of the vehicle along the flanged structure 120 extending upwards from the rear end of the underbody protection plate, leading to high wind resistance. However, the vehicle underbody protection plate 100 provided in this embodiment has a flanged structure 120 that, in addition to an upwardly extending upper extension 121, also has a downwardly extending first lower extension 122 and a straight-extending first flat extension 123. This allows the airflow flowing along the underbody protection plate 100 to be guided towards the rear and lower part of the vehicle before flowing horizontally. This prevents the airflow flowing along the underbody protection plate 100 from impacting the bottom of the vehicle from the rear end of the underbody protection plate 100, effectively reducing the impact resistance of airflow on the bottom of the vehicle during driving, and thus improving the vehicle's driving range.
[0062] In one implementation, the vehicle body includes a left sill and a right sill that are spaced apart and opposite to each other. The vehicle underbody protection plate 100 is an integrally formed plate, and one side of the plate body 110 is connected to one of the left and right sills via a connecting frame, while the other side of the plate body 110 is directly connected to the other of the left and right sills. Specifically, the left and right sills are spaced apart along a second horizontal direction (left-right direction). In previous related technologies, the left and right sides of the underbody protection plate were indirectly connected to the left and right sills via connecting frames, resulting in a certain horizontal distance between the left and right sides of the underbody protection plate and the left and right sills, affecting the left-right coverage area of the underbody protection plate. However, the vehicle underbody protection plate 100 provided in this embodiment is directly connected to at least one of the left and right sills, thereby effectively increasing the left-right coverage area of the vehicle underbody protection plate 100, which allows the vehicle underbody protection plate 100 to protect more vehicle bottom components.
[0063] In one implementation, the vehicle also includes piping (not shown). Both the fuel tank and the piping are located between the left and right sills, with the piping positioned between the fuel tank and either the left or right sill. The underbody panel 110 covers the bottom of the fuel tank and the bottom of the piping, and the flanged structure 120 covers the rear of the fuel tank. In this embodiment, a single underbody panel 100 spans the entire fuel tank and the surrounding piping, effectively shielding the fuel tank and its surrounding piping. This significantly increases the number of components covered by the underbody panel 100, thereby enhancing the protection of the vehicle's underside components.
[0064] In one specific implementation, the pipeline is located between the fuel tank and the right sill along the second horizontal direction. The right side of the vehicle underbody protection plate 100 is directly connected to the right sill, and the left side is indirectly connected to the left sill through a connecting bracket. The vehicle underbody protection plate 100 spans the entire fuel tank, effectively shielding the fuel tank and surrounding pipelines, and achieving maximum area coverage in the second horizontal direction.
[0065] Reference Figure 1 , Figure 7 and Figure 8 As shown, in one installation embodiment of the vehicle underbody protection plate 100, the vehicle also includes a battery (not shown), located in front of the fuel tank. The vehicle underbody protection plate 100 is connected to the battery by a first bolt and to the fuel tank by a second bolt. The right side is connected to the right sill by a third bolt, and the left side is connected to the connecting bracket by a fourth bolt. Specifically, the second flat extension 111 at the front end of the vehicle underbody protection plate 100 has a first connecting hole 115 for the first bolt to pass through, the third flat extension 113 has a second connecting hole 116 for the second bolt to pass through, the right side of the vehicle underbody protection plate 100 has a third connecting hole 117 for the third bolt to pass through, and the left side of the vehicle underbody protection plate 100 has a fourth connecting hole 118 for the fourth bolt to pass through.
[0066] In one implementation, the vehicle can be either a gasoline-powered vehicle or a new energy vehicle. When the vehicle is a new energy vehicle, it can be a hybrid vehicle or a pure electric vehicle. Specifically, when the vehicle is a gasoline-powered vehicle, the underbody protection plate 100 is at least used to cover and protect the fuel tank; when the vehicle is a hybrid vehicle, the underbody protection plate 100 is at least used to cover and protect the fuel tank; and when the vehicle is a pure electric vehicle, the underbody protection plate 100 is at least used to cover and protect the battery pack.
[0067] In one implementation, the aforementioned vehicles can be private cars, such as sedans, SUVs, MPVs, or pickup trucks. Vehicles can also be commercial vehicles, such as vans, buses, small trucks, or large semi-trailers.
[0068] This utility model embodiment optimizes the structure of the vehicle underbody protection plate 100, which can reduce the resistance generated by airflow during vehicle driving, thereby reducing vehicle fuel consumption and thus improving vehicle range.
[0069] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A vehicle rocker panel characterized by: The application relates to a vehicle underbody shield, which comprises: a shield body; a flange structure arranged at the edge of the shield body; wherein the flange structure comprises an upper extension, a first lower extension and a first flat extension, one end of the upper extension is connected with the edge of the shield body and is used for extending from the edge of the shield body to a direction away from the ground when the vehicle underbody shield is installed at the bottom of the vehicle, the first lower extension is arranged between the upper extension and the first flat extension and is used for extending to the first flat extension towards the ground when the vehicle underbody shield is installed at the bottom of the vehicle, and the first flat extension is connected with one end of the first lower extension and is used for extending straight to the rear of the vehicle when the vehicle underbody shield is installed at the bottom of the vehicle.
2. The underbody shield of claim 1, wherein: The first flat extension comprises a first bottom plane which extends straight from the first lower extension to a direction away from the shield body, and the first bottom plane is used for being arranged to face the ground when the vehicle underbody shield is installed at the bottom of the vehicle; the shield body comprises a second bottom plane which extends straight to the upper extension, and the second bottom plane is used for being arranged to face the ground when the vehicle underbody shield is installed at the bottom of the vehicle; the second bottom plane is arranged in a coplanar manner with the first bottom plane.
3. The underbody shield of claim 1, wherein: The upper extension extends along a first curved track, a first vertical linear track which is perpendicular to the first flat extension or a first inclined linear track which is inclined to the first flat extension; the first lower extension extends along a second curved track, a second vertical linear track which is perpendicular to the first flat extension or a second inclined linear track which is inclined to the first flat extension.
4. The underbody shield of any one of claims 1 to 3, wherein: The flange structure further comprises a transition part which is connected between the end of the upper extension away from the shield body and the end of the first lower extension away from the first flat extension, and the transition part extends in an arc shape or straightly.
5. The underbody shield of any one of claims 1 to 3, wherein: The size of the first flat extension which extends straight from the first lower extension to a direction away from the shield body is greater than or equal to the interval distance between the first flat extension and the shield body; and / or, the size of the first flat extension which extends straight from the first lower extension to a direction away from the shield body is greater than or equal to 15 mm, and the interval distance between the first flat extension and the shield body is less than or equal to 15 mm.
6. The underbody shield of any one of claims 1 to 3, wherein: The shield body comprises a second flat extension, a second lower extension and a third flat extension, the second lower extension is arranged between the second flat extension and the third flat extension; the second flat extension extends straight to the second lower extension; the third flat extension extends straight from the second lower extension to the upper extension; the second lower extension is used for extending from the second flat extension to the third flat extension along an arc track or an inclined linear track towards the ground when the vehicle underbody shield is installed at the bottom of the vehicle.
7. The underbody shield of any one of claims 1 to 3, wherein: The shield body is further formed with a plurality of interval arranged air guide grooves which are used for being arranged to face the ground and extending along a direction parallel to the advancing direction of the vehicle when the vehicle underbody shield is installed at the bottom of the vehicle.
8. A vehicle characterized by: The vehicle further comprises an oil tank, the oil tank is installed at the bottom of the vehicle body, the main body of the underbody shield covers the bottom of the oil tank, and the flange structure covers the tail of the oil tank.
9. The vehicle of claim 8, wherein: The vehicle further comprises an oil tank, the oil tank is installed at the bottom of the vehicle body, the main body of the underbody shield covers the bottom of the oil tank, and the flange structure covers the tail of the oil tank.
10. The vehicle of claim 8 or 9, characterized in that: The vehicle body comprises left and right door sills arranged oppositely, the underbody shield is an integrally formed plate body, one side of the main body of the underbody shield is connected to one of the left and right door sills through a connecting frame, and the other side of the main body of the underbody shield is directly connected to the other of the left and right door sills. The vehicle further comprises an oil tank and a pipeline, the vehicle body comprises left and right door sills arranged oppositely, the oil tank and the pipeline are located between the left and right door sills, the pipeline is located between the oil tank and the left door sill or between the oil tank and the right door sill, the underbody shield is an integrally formed plate body, the main body of the underbody shield covers the bottom of the oil tank and the bottom of the pipeline, and the flange structure covers the tail of the oil tank.