Rear suspension bottom guard plate and vehicle

Abstract

The rear suspension bottom protection plate comprises a protection plate body and a spoiler, the protection plate body is provided with a first side and a second side which are oppositely arranged in the front-back direction of the protection plate body, the first side is located on the front side of the second side, the spoiler is arranged on the lower wall face of the protection plate body, and the spoiler is located on the lower wall face of the protection plate body. The spoiler extends in the front-back direction and protrudes downwards, and the distance between the front end of the spoiler and the first side is larger than the distance between the rear end of the spoiler and the second side. The rear suspension bottom guard plate can disturb airflow in a rear axle area of a vehicle, downward pressure is increased, and controllability of the vehicle is improved.

Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, specifically to a rear suspension underbody protection plate and a vehicle. Background Technology

[0002] With the development of vehicle technology, consumers have increasingly higher demands for vehicle handling performance. Among these, the vehicle's lift coefficient is a crucial factor affecting handling performance. In related technologies, vehicle underbody protection plates are typically flat structures; however, these structures offer limited improvement in overall downforce performance, resulting in relatively poor handling. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in the related art.

[0004] Therefore, embodiments of this utility model propose a rear suspension underbody protection plate, which can turbulentize the airflow in the rear axle area of ​​the vehicle, increase downforce, increase the downforce coefficient of the rear axle, and improve the vehicle's handling.

[0005] An embodiment of this utility model also proposes a vehicle.

[0006] The rear suspension underbody of this utility model includes: a body having a first side and a second side arranged opposite to each other in a front-rear direction, the first side being located in front of the second side; and a spoiler disposed on the lower wall of the body, the spoiler extending in the front-rear direction and protruding downward, the distance between the front end of the spoiler and the first side being greater than the distance between the rear end of the spoiler and the second side.

[0007] According to an embodiment of the present invention, the rear suspension underbody guard plate, due to the deflector extending in the front-to-back direction and protruding downwards, can turbulently influence the airflow field when airflow passes over the lower wall of the guard plate body in a front-to-back direction. This causes vortices to form in the area where the deflector is arranged, accelerating local airflow and reducing pressure in that area, thus generating negative pressure. Furthermore, because the distance between the front end of the deflector and the first side is greater than the distance between the rear end of the deflector and the second side, the deflector is positioned closer to the rear side of the guard plate body, thereby enhancing its turbulence effect on the airflow field and increasing downforce in the rear axle area of ​​the vehicle. Therefore, the rear suspension underbody guard plate of this embodiment can turbulently influence the airflow in the rear axle area of ​​the vehicle, increasing downforce and thus increasing the downforce coefficient of the rear axle, thereby improving vehicle handling.

[0008] In some embodiments, the protrusion height of the spoiler in the vertical direction remains constant in the front-rear direction.

[0009] In some embodiments, the maximum protrusion height of the spoiler in the vertical direction is H, wherein 30mm≤H≤40mm.

[0010] In some embodiments, at least a portion of the spoiler is detachably connected to the guard plate body.

[0011] In some embodiments, the spoiler includes a plurality of spoiler ribs that extend along the front-back direction and are spaced apart along the left-right direction of the guard plate body.

[0012] In some embodiments, the lower end faces of the plurality of the baffles are located at the same horizontal height.

[0013] In some embodiments, the baffle rib includes a horizontal plate and a vertical plate. The thickness direction of the horizontal plate is parallel to the vertical direction of the guard plate body, and the thickness direction of the vertical plate is perpendicular to the vertical direction of the guard plate body. The horizontal plate is connected to the guard plate body, and the vertical plate is connected to the horizontal plate and disposed on the lower side of the horizontal plate.

[0014] In some embodiments, the height difference between the lower wall of the horizontal plate and the lower wall of the guard plate body is M, where 0 ≤ M ≤ 3 mm.

[0015] In some embodiments, a chamfer is provided at the junction of one side of the vertical plate along its thickness direction and the lower end face of the vertical plate, and the radius of the chamfer is R, where 0 < R ≤ 1 mm.

[0016] In some embodiments, the spoiler includes a plurality of first spoiler ribs, the first spoiler ribs extending in a front-rear direction, and the plurality of first spoiler ribs being arranged at intervals in a left-right direction along the body of the guard plate.

[0017] In some embodiments, the extension direction of the first rib is parallel to the front-rear direction of the guard plate body.

[0018] In some embodiments, the guard plate body has a third side and a fourth side arranged opposite to each other in the left-right direction, the third side and the fourth side being symmetrical about the longitudinal symmetry plane, and the first deflector rib extending obliquely in a direction gradually away from the longitudinal symmetry plane in the front-to-back direction.

[0019] In some embodiments, the guard plate body has a third side and a fourth side arranged opposite to each other in the left-right direction, the third side and the fourth side being symmetrical about the longitudinal symmetry plane, and the minimum distance between the first baffle rib in the left-right direction and the longitudinal symmetry plane is L1, wherein L1≥100mm.

[0020] In some embodiments, the minimum distance between two adjacent first baffles is L2, wherein L2 ≥ 100 mm.

[0021] In some embodiments, the guard plate body has a third side and a fourth side arranged opposite to each other in the left-right direction, and the deflector includes a second deflector rib, which is arranged closer to the third side than the first deflector rib. The second deflector rib includes a straight section and an inclined section connected together. The straight section extends in a direction parallel to the front-back direction of the guard plate body. The inclined section is located behind the straight section and extends in an inclined direction towards the third side from front to back.

[0022] In some embodiments, the angle between the extension direction of the inclined segment and the front-back direction is α, wherein 30°≤α≤45°.

[0023] In some embodiments, the deflector further includes a third deflector rib, which is arranged closer to the fourth side than the first deflector rib, and the second deflector rib and the third deflector rib are arranged symmetrically.

[0024] Another embodiment of the present invention includes a vehicle body and a rear suspension underbody protection plate. The vehicle body includes a rear suspension, and the rear suspension underbody protection plate is the rear suspension underbody protection plate as described in any one of the embodiments of the present invention. The rear suspension underbody protection plate is installed on the lower side of the rear suspension.

[0025] According to an embodiment of the present invention, in a vehicle, because the spoiler extends in the front-to-back direction and protrudes downwards, when airflow flows from front to back across the lower wall of the skid plate body, the spoiler can turbulentize the airflow field, generating vortices in the area where the spoiler is arranged and accelerating local airflow, thereby reducing the pressure in that area and generating negative pressure. Furthermore, because the distance between the front end of the spoiler and the first side is greater than the distance between the rear end of the spoiler and the second side, the spoiler is positioned closer to the rear side of the skid plate body, thereby enhancing the spoiler's turbulence effect on the airflow field and increasing downforce in the rear axle area of ​​the vehicle. Therefore, the rear suspension underbody skid plate of the vehicle in this embodiment of the present invention can turbulentize the airflow in the rear axle area, increasing downforce and thus increasing the downforce coefficient of the rear axle, improving vehicle handling. Attached Figure Description

[0026] Figure 1 This is a bottom view of the rear suspension underbody protection plate according to an embodiment of the present utility model.

[0027] Figure 2 yes Figure 1 A partial cross-sectional view at position AA.

[0028] Figure 3 This is a perspective view of the rear suspension underbody protection plate according to an embodiment of the present utility model.

[0029] Figure 4 yes Figure 3 A magnified view of B in the middle.

[0030] Figure label:

[0031] 100. Protective panel body; 101. First side; 102. Second side; 103. Third side; 104. Fourth side; 105. Dent;

[0032] 200. Spoiler component; 210. Spoiler rib; 211. Horizontal plate; 212. Vertical plate; 2121. Rounded chamfer; 201. First spoiler rib; 202. Second spoiler rib; 2021. Straight section; 2022. Inclined section; 203. Third spoiler rib;

[0033] P, longitudinal plane of symmetry. Detailed Implementation

[0034] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0035] The following is a reference appendix. Figures 1 to 4 This invention describes a rear suspension underbody protection plate and a vehicle according to an embodiment of the present invention.

[0036] like Figures 1 to 3 As shown, the rear suspension underbody guard plate of this utility model embodiment includes: a guard plate body 100 and a spoiler 200. The guard plate body 100 has a first side 101 and a second side 102 arranged opposite to each other in the front-rear direction. The first side 101 is located in front of the second side 102. The spoiler 200 is disposed on the lower wall surface of the guard plate body 100. The spoiler 200 extends in the front-rear direction and protrudes downward. The distance between the front end of the spoiler 200 and the first side 101 is greater than the distance between the rear end of the spoiler 200 and the second side 102.

[0037] It should be noted that the front-to-back, left-to-right, up-to-down directions of the rear suspension underbody plate are consistent with the front-to-back, left-to-right, up-to-down directions of the vehicle. Specifically, the first side 101 is the front side of the underbody plate body 100, and the second side 102 is the rear side of the underbody plate body 100.

[0038] According to an embodiment of the present invention, the rear suspension underbody guard plate, because the spoiler 200 extends in the front-to-back direction and protrudes downward, when airflow flows from front to back across the lower wall of the guard plate body 100, the spoiler 200 can turbulentize the airflow field, so that vortices can be generated in the arrangement area of ​​the spoiler 200, and the local airflow can be accelerated, thereby reducing the pressure in that area and generating negative pressure. In addition, because the distance between the front end of the spoiler 200 and the first side 101 is greater than the distance between the rear end of the spoiler 200 and the second side 102, the spoiler 200 is arranged closer to the rear side of the guard plate body 100, thereby improving the turbulence effect of the spoiler 200 on the airflow field and increasing the downforce in the rear axle area of ​​the vehicle.

[0039] Therefore, the rear suspension underbody protection plate of this utility model can turbulentize the airflow in the rear axle area of ​​the vehicle, increase downforce, thereby increasing the downforce coefficient of the rear axle and improving the vehicle's handling.

[0040] The rear axle of a vehicle can be understood as the rear drive axle, which connects to the left and right rear wheels. A rear suspension underbody protection plate is installed under the rear axle to shield and protect the rear axle and some components of the rear suspension, reducing the probability of the rear axle or rear suspension being damaged by impacts.

[0041] The inventors of this application discovered through experimental research that the airflow in the rear region of the skid plate body 100 is prone to change. By arranging the spoiler 200 close to the rear side of the skid plate body 100, the airflow that is about to change can be sorted and turbulent, which helps to improve the negative pressure effect in the rear region of the skid plate body 100, thereby increasing the downforce in the rear axle area of ​​the vehicle. Therefore, in the embodiment of this utility model, the rear suspension underbody skid plate arranges the spoiler 200 close to the rear side of the skid plate body 100.

[0042] The distance between the front end of the spoiler 200 and the first side 101 can be designed according to different vehicle models or specific airflow patterns. The distance between the rear end of the spoiler 200 and the second side 102 can be small, or even zero. That is, the rear end of the spoiler 200 can extend to the edge of the second side 102 to increase the spoiler's turbulence-causing range, thereby reducing the vehicle's lift, increasing the downforce coefficient of the rear axle, and improving the vehicle's handling.

[0043] Optionally, such as Figure 2As shown, the maximum protrusion height of the spoiler 200 in the vertical direction is H, where 30mm ≤ H ≤ 40mm. For example, H can be 30mm, 32mm, 34mm, 35mm, 36mm, 38mm, or 40mm. When H is less than 30mm, the spoiler 200 has a poor effect on airflow and has little impact on the vehicle's rear axle downforce. When H is greater than 40mm, on the one hand, it limits the ability to increase the vehicle's rear axle downforce; on the other hand, it causes the lower end of the spoiler 200 to be too close to the ground, making it prone to collisions and reducing the service life of the spoiler 200.

[0044] Therefore, the rear suspension underbody protection plate of this utility model is designed with the above parameters to increase the turbulence effect of the spoiler 200 on the airflow field and significantly increase the downforce in the rear axle area of ​​the vehicle. It can also reduce the probability of the lower end of the spoiler 200 being bumped due to being too close to the ground.

[0045] Optionally, at least a portion of the spoiler 200 is detachably connected to the skid plate body 100. Thus, the spoiler 200 and the skid plate body 100 are separate structures, facilitating the manufacturing of the rear suspension underbody, and the detachable connection between the spoiler 200 and the skid plate body 100 increases the flexibility of the spoiler 200 in use. When the spoiler 200 is damaged, operators can remove and replace it individually, reducing subsequent maintenance costs.

[0046] For example, a portion of the spoiler 200 is detachably connected to the guard plate body 100. Alternatively, all of the spoilers 200 may be detachably connected to the guard plate body 100.

[0047] Optionally, such as Figures 1 to 3 As shown, the spoiler 200 includes multiple spoiler ribs 210, which extend in the front-rear direction and are spaced apart in the left-right direction along the guard plate body 100. This can turbulent most of the airflow passing through the guard plate body 100, thereby expanding the spoiler range of the spoiler 200 and increasing the downforce in the rear axle area of ​​the vehicle.

[0048] like Figure 2 As shown, the lower ends of multiple spoiler ribs 210 are located at the same horizontal height. It can be understood that the different spoiler ribs 210 are spaced equidistant from the ground. This further enhances the spoiler effect of the spoiler 200 on the airflow field, thereby accelerating local airflow and generating a larger negative pressure in the area where the spoiler 200 is arranged, thus increasing the downforce coefficient of the vehicle's rear axle.

[0049] like Figure 4As shown, taking a single baffle rib 210 as an example, the baffle rib 210 includes a horizontal plate 211 and a vertical plate 212. The thickness direction of the horizontal plate 211 is parallel to the vertical direction of the guard plate body 100, and the thickness direction of the vertical plate 212 is perpendicular to the vertical direction of the guard plate body 100. The horizontal plate 211 is connected to the guard plate body 100, and the vertical plate 212 is connected to the horizontal plate 211 and is located on the lower side of the horizontal plate 211. It can be understood that the horizontal plate 211 and the vertical plate 212 are arranged roughly vertically. Since the thickness direction of the horizontal plate 211 is parallel to the vertical direction of the guard plate body 100, it is convenient for the horizontal plate 211 to fit against the lower wall surface of the guard plate body 100. The horizontal plate 211 and the guard plate body 100 can be connected by riveting, threaded connection, or snap-fit.

[0050] Among them, the vertical plate 212 is the main turbulence part of the turbulence rib 210. The vertical plate 212 extends in the front-back direction and protrudes downward, thereby forming an airflow channel between two adjacent turbulence ribs 210. Under the turbulence effect of the vertical plate 212, vortices will be generated in the rear area of ​​the guard plate body 100 and the local airflow will be accelerated, thereby reducing the pressure in the area and generating negative pressure.

[0051] Optionally, such as Figure 2 As shown, the height difference between the lower wall of the horizontal plate 211 and the lower wall of the guard plate body 100 is M, where 0 ≤ M ≤ 3 mm. For example, the height difference between the lower wall of the horizontal plate 211 and the lower wall of the guard plate body 100 is 0, 0.5 mm, 0.5 mm, 1 mm, 1.5 mm, 2 mm, 2.5 mm, and 3 mm. It can be understood that the lower wall of the horizontal plate 211 can be flush with the lower wall of the guard plate body 100, or slightly lower (i.e., ≤ 3 mm), thereby reducing the drag on the rear suspension underbody guard plate and helping to improve the deflection effect of the spoiler rib 210, thus increasing the downforce in the rear axle area of ​​the vehicle.

[0052] For example, a recess (not shown) may be provided on the lower wall surface of the guard plate body 100, and a horizontal plate 211 is provided in the recess so that the lower wall surface of the horizontal plate 211 is flush with the lower wall surface of the guard plate body 100.

[0053] The thickness (material thickness) of the vertical plate 212 does not exceed 3mm. The inventors of this application found through experimental research that when the thickness of the vertical plate 212 exceeds 3mm, there is a problem of reduced turbulence effect, which is not conducive to the generation of downforce in the rear axle area of ​​the vehicle.

[0054] Optionally, such as Figure 4As shown, a rounded chamfer 2121 is provided at the junction of one side of the vertical plate 212 along its thickness direction and the lower end face of the vertical plate 212. The radius of the rounded chamfer 2121 is R, where 0 < R ≤ 1 mm. It is understood that the radius of the rounded chamfer 2121 needs to be less than 1 mm. For example, the radius R of the rounded chamfer 2121 can be 0.1 mm, 0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm, or 1 mm. The inventors of this application discovered through experimental research that when the rounded chamfer 2121 is greater than 1 mm, there is a decrease in the turbulence effect, which is detrimental to the generation of downforce in the rear axle area of ​​the vehicle. Therefore, the radius of the rounded chamfer 2121 is designed to be within 1 mm, which ensures normal manufacturing of the vertical plate 212 while avoiding adverse effects on airflow turbulence.

[0055] In other examples, the junction between the side of the vertical plate 212 along its thickness direction and the lower end face of the vertical plate 212 may not require a rounded chamfer 2121, that is, the side of the vertical plate 212 along its thickness direction and the lower end face of the vertical plate 212 are at right angles.

[0056] Optionally, such as Figure 3 and Figure 4 As shown, the spoiler 200 includes a plurality of first spoiler ribs 201, which extend in the front-rear direction and are spaced apart in the left-right direction of the skid plate body 100. Because the plurality of first spoiler ribs 201 are spaced apart in the left-right direction of the skid plate body 100, the uniformity of the spoiler 200's turbulence can be improved, the spoiler 200's turbulence range can be expanded, and this is beneficial for increasing downforce in the rear axle area of ​​the vehicle.

[0057] In one example, the extension direction of the first deflector 201 is parallel to the front-rear direction of the guard plate body 100. It is understood that the extension path of the first deflector 201 is a straight line and parallel to the front-rear direction of the guard plate body 100. Through experimental research, the inventors of this application discovered that when no deflector 200 is provided below the guard plate body 100, the airflow gradually shifts towards the longitudinal symmetry plane P of the guard plate body 100 in a front-to-back direction. Therefore, the rear suspension underbody guard plate of this embodiment, by providing a straight first deflector 201, forms a certain angle between the airflow and the first deflector 201, thereby disturbing the airflow and generating vortices when passing through the first deflector 201, thus accelerating local airflow, reducing the pressure in that area, and generating negative pressure.

[0058] In another example, the skid plate body 100 has a third side 103 and a fourth side 104 arranged opposite to each other in the left-right direction. The third side 103 and the fourth side 104 are symmetrical about the longitudinal symmetry plane P. In the front-to-back direction, the first deflector rib 201 extends obliquely in a direction gradually away from the longitudinal symmetry plane P. This can guide a portion of the airflow to the left and right sides of the skid plate body 100, thereby improving the uniformity of the airflow at the bottom of the skid plate body 100 in the Y direction (left-right direction), increasing the deflection range of the deflector 200, and increasing the downforce in the rear axle area of ​​the vehicle. In the above example, the oblique extension path of the first deflector rib 201 can be a straight line or an arc.

[0059] Optionally, such as Figure 1 and Figure 2 As shown, the underbody 100 has a third side 103 and a fourth side 104 arranged opposite to each other in the left-right direction. The third side 103 and the fourth side 104 are symmetrical about the longitudinal symmetry plane P. The minimum distance between the first deflector rib 201 and the longitudinal symmetry plane P in the left-right direction is L1, where L1 ≥ 100 mm. It can be understood that the rear area of ​​the underbody 100 is used to install an active diffuser (not shown). When L1 < 100 mm, it is easy to affect the airflow quality passing through the active diffuser and reduce the airflow turbulence effect of the active diffuser. Therefore, the rear suspension underbody underbody of this utility model, by making the minimum distance between the first deflector rib 201 and the longitudinal symmetry plane P in the left-right direction greater than or equal to 100 mm, can avoid the installation position of the active diffuser, thereby improving the airflow turbulence effect.

[0060] like Figure 2 As shown, the minimum distance between two adjacent first deflector ribs 201 is L2, where L2 ≥ 100mm. It can be understood that the minimum left-right distance between two adjacent first deflector ribs 201 needs to be greater than or equal to 100mm. This ensures airflow passage, reduces airflow resistance, improves the deflection effect, and helps increase downforce in the rear axle area of ​​the vehicle.

[0061] In some embodiments, such as Figure 1As shown, the guard plate body 100 has a third side 103 and a fourth side 104 arranged opposite to each other in the left-right direction. The deflector 200 includes a second deflector rib 202, which is arranged closer to the third side 103 than the first deflector rib 201, i.e., the second deflector rib 202 is located on the side of the first deflector rib 201 closest to the third side 103. The second deflector rib 202 includes a straight section 2021 and an inclined section 2022 connected to each other. The extension direction of the straight section 2021 is parallel to the front-rear direction of the guard plate body 100. The inclined section 2022 is located behind the straight section 2021 and extends at an angle towards the third side 103 in a front-to-back direction. It can be understood that the inclined section 2022 can guide the airflow passing through the second deflector rib 202 to the area of ​​the third side 103 of the guard plate body 100. In other words, the second deflector 202 can guide the airflow at the bottom of the guard plate body 100 to the outside (third side 103) to improve the uniformity of the airflow at the bottom of the guard plate body 100 in the Y direction (left and right direction), increase the deflection range of the deflector 200, and increase the downforce in the rear axle area of ​​the vehicle.

[0062] Optionally, such as Figure 1 As shown, the angle between the extension direction of the inclined section 2022 and the front-back direction is α, where 30°≤α≤45°. That is, the deflection angle of the inclined section 2022 is between 30° and 45°, which can improve the uniformity of airflow distribution. For example, α can be 30°, 32°, 35°, 38°, 40°, 42°, or 45°.

[0063] For example, the extension path of the inclined section 2022 is generally curved, and the center of curvature of the curve is located on the side of the inclined section 2022 closer to the third side 103, which can further improve the airflow guiding effect and reduce air resistance.

[0064] Optionally, such as Figure 1 As shown, the spoiler 200 also includes a third spoiler rib 203, which is positioned closer to the fourth side 104 than the first spoiler rib 201, and the second spoiler rib 202 and the third spoiler rib 203 are arranged symmetrically. It can be understood that the second spoiler rib 202 can guide some of the airflow at the bottom of the skid plate body 100 to the third side 103, and the third spoiler rib 203 can guide some of the airflow at the bottom of the skid plate body 100 to the fourth side 104. This can improve the uniformity of the airflow at the bottom of the skid plate body 100 in the Y direction (left-right direction), increase the spoiler range of the spoiler 200, and increase the downforce in the rear axle area of ​​the vehicle.

[0065] In this example, the rear axle downforce coefficient can be increased by 0.02 to significantly improve vehicle handling.

[0066] Optionally, such as Figure 4As shown, a plurality of recesses 105 are provided in the rear area of ​​the lower wall of the protective plate body 100. The plurality of recesses 105 are arranged at intervals along the front-back direction and the left-right direction of the protective plate body 100, thereby improving the fit between the airflow and the protective plate body 100 and reducing the problem of turbulence occurring below the protective plate body 100.

[0067] Another embodiment of the present invention includes a vehicle body and a rear suspension underbody protection plate. The vehicle body includes a rear suspension, and the rear suspension underbody protection plate is the rear suspension underbody protection plate of the present invention. The rear suspension underbody protection plate is installed on the lower side of the rear suspension.

[0068] The rear suspension underbody protection plate of the vehicle in the embodiment of this utility model can turbulentize the airflow in the rear axle area of ​​the vehicle, increase downforce, thereby increasing the downforce coefficient of the rear axle and improving the vehicle's handling.

[0069] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0070] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0071] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0072] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0073] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0074] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A rear suspension skid plate characterized by, Comprising: a guard plate body (100) having a first side (101) and a second side (102) oppositely arranged along a front-rear direction thereof, the first side (101) being located at a front side of the second side (102); a spoiler (200) provided on a lower wall surface of the guard plate body (100), the spoiler (200) extending along the front-rear direction and protruding downward, a front end of the spoiler (200) being spaced apart from the first side (101) by a distance greater than a distance between a rear end of the spoiler (200) and the second side (102).

2. The rear suspension skid plate of claim 1, wherein, A maximum protruding height of the spoiler (200) in an up-down direction is H, where 30mm≤H≤40mm.

3. The rear suspension skid plate of claim 1, wherein, At least a portion of the spoiler (200) is detachably connected to the guard plate body (100).

4. The rear suspension skid plate of claim 1, wherein, The spoiler (200) includes a plurality of spoiler ribs (210) extending along the front-rear direction, and the plurality of spoiler ribs (210) are spaced apart along a left-right direction of the guard plate body (100).

5. The rear suspension skid plate of claim 4, wherein, Lower end surfaces of the plurality of spoiler ribs (210) are located at a same horizontal height.

6. The rear suspension skid plate of claim 4, wherein, The spoiler rib (210) includes a horizontal plate (211) and a vertical plate (212), a thickness direction of the horizontal plate (211) being parallel to an up-down direction of the guard plate body (100), a thickness direction of the vertical plate (212) being perpendicular to the up-down direction of the guard plate body (100), the horizontal plate (211) being connected to the guard plate body (100), and the vertical plate (212) being connected to the horizontal plate (211) and provided on a lower side of the horizontal plate (211).

7. The rear suspension skid plate of claim 6, wherein, A height difference between a lower wall surface of the horizontal plate (211) and a lower wall surface of the guard plate body (100) is M, where 0≤M≤3mm.

8. The rear suspension skid plate of claim 6, wherein, One face of the vertical plate (212) along a thickness direction thereof is provided with a circular arc chamfer (2121) at a position where the one face meets a lower end surface of the vertical plate (212), a radius of the circular arc chamfer (2121) being R, where 0 9. The rear suspension skid plate of any one of claims 1-8, wherein, The spoiler (200) includes a plurality of first spoiler ribs (201) extending along the front-rear direction, and the plurality of first spoiler ribs (201) are spaced apart along the left-right direction of the guard plate body (100).

10. The rear suspension skid plate of claim 9, wherein, An extending direction of the first spoiler rib (201) is parallel to the front-rear direction of the guard plate body (100).

11. The rear suspension skid plate of claim 9, wherein, The guard plate body (100) has a third side (103) and a fourth side (104) oppositely arranged along a left-right direction thereof, the third side (103) and the fourth side (104) being symmetrical about a longitudinal symmetry plane (P), In a direction from front to rear, the first spoiler rib (201) extends obliquely in a direction gradually away from the longitudinal symmetry plane (P).

12. The rear suspension skid plate of claim 9, wherein, The apron body (100) has a third side (103) and a fourth side (104) oppositely arranged along the left-right direction thereof, the third side (103) and the fourth side (104) are symmetrical about the longitudinal symmetry plane (P), and the minimum distance of the first spoiler rib (201) from the longitudinal symmetry plane (P) along the left-right direction is L1, wherein L1≥100mm.

13. The rear suspension skid plate of claim 9, wherein, The minimum distance between two adjacent first spoiler ribs (201) is L2, wherein L2≥100mm.

14. The rear suspension skid plate of claim 9, wherein, The apron body (100) has a third side (103) and a fourth side (104) oppositely arranged along the left-right direction thereof, the spoiler (200) comprises a second spoiler rib (202) arranged closer to the third side (103) than the first spoiler rib (201), the second spoiler rib (202) comprises a connected flat section (2021) and an inclined section (2022), the extension direction of the flat section (2021) is parallel to the front-rear direction of the apron body (100), the inclined section (2022) is arranged at the rear side of the flat section (2021), and the inclined section (2022) extends obliquely towards the direction of the third side (103) from front to back.

15. The rear suspension skid plate of claim 14, wherein, The angle between the extension direction of the inclined section (2022) and the front-rear direction is α, wherein 30°≤α≤45°.

16. The rear suspension skid plate of claim 14, wherein, The spoiler (200) further comprises a third spoiler rib (203) arranged closer to the fourth side (104) than the first spoiler rib (201), and the second spoiler rib (202) and the third spoiler rib (203) are symmetrically arranged.

17. A vehicle characterized by comprising: Comprising: A vehicle body comprising a rear suspension; A rear suspension apron, the rear suspension apron is the rear suspension apron of any one of claims 1-16, and the rear suspension apron is installed on the lower side of the rear suspension.

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