A lower fender assembly and a vehicle

Abstract

The application discloses a lower apron assembly and a vehicle, and solves the technical problem that the lower apron of the prior art does not cover the position of a suspension, so that the coverage of the lower apron in the area is discontinuous, vortex and turbulence phenomena caused by gas flow are obvious, and the aerodynamic drag of the whole vehicle is large. The lower apron assembly comprises a lower apron body and a suspension lower apron, the suspension lower apron covers the suspension part of a vehicle chassis, the suspension lower apron is connected with the lower apron body and a suspension assembly of the vehicle respectively, the suspension lower apron is made of an elastic material so that it can deform correspondingly with the up-and-down swing of the suspension assembly, and the suspension lower apron is provided with a avoiding part at the position of a vehicle wheel, which can avoid motion interference, the suspension lower apron covers the suspension part of the vehicle chassis, so that the coverage of the lower apron assembly in the suspension area is continuous, vortex and turbulence phenomena caused by gas flow are avoided, and the aerodynamic drag of the whole vehicle is reduced.

Description

Technical Field

[0001] This application belongs to the field of vehicle aerodynamics technology, specifically relating to a lower guard plate assembly and a vehicle. Background Technology

[0002] The rapid growth of my country's current automotive industry has placed enormous pressure on energy and the environment. Continuously promoting energy conservation and emission reduction in the automotive sector is an essential path for its development. Related research shows that a significant portion of a vehicle's energy is used to overcome road resistance during operation. As vehicle speed increases, air resistance accounts for a larger proportion of this resistance, becoming the primary component of vehicle drag when speeds exceed 80 km / h. Therefore, effectively reducing wind resistance has become a crucial technical approach for energy conservation and emission reduction in vehicles.

[0003] Currently, most vehicles are equipped with underbody protection plates. These plates protect the chassis and powertrain components, and effectively reduce the vehicle's drag coefficient, improving fuel efficiency and achieving energy conservation and emission reduction. Depending on their installation location, underbody protection plates are categorized as front engine compartment underbody plates, body underbody plates, and trunk underbody plates. They cover areas of the vehicle's underside where there is no relative movement. However, to avoid interference from movement, underbody components with relative movement (such as the suspension) are not covered. This results in discontinuous coverage in these areas, leading to significant eddies and turbulence caused by airflow, thus increasing overall aerodynamic drag. Summary of the Invention

[0004] To address the technical problem that current underbody protection plates do not cover the suspension area, resulting in discontinuous coverage and significant eddy currents and turbulence in the airflow, leading to excessive aerodynamic drag on the vehicle, this application provides an underbody protection plate assembly and a vehicle.

[0005] In a first aspect of this application, a lower guard plate assembly is provided, comprising:

[0006] The lower guard plate body covers the front engine compartment, body, and trunk of the vehicle chassis.

[0007] The suspension underbody has the same number of wheels as the vehicle. The suspension underbody is connected to the underbody body and the vehicle's suspension assembly. The suspension underbody covers the suspension part of the vehicle chassis and is made of elastic material. The suspension underbody is provided with a avoidance part for avoiding the wheels that have steering function in the vehicle.

[0008] In some embodiments, the lower suspension guard is connected to the lower control arm of the suspension assembly.

[0009] In some embodiments, the front suspension lower guard plate is provided with the avoidance portion, the avoidance portion including a first avoidance notch and a second avoidance notch, the first avoidance notch and the second avoidance notch being arranged sequentially along the length direction of the vehicle.

[0010] In some implementations, both the first clearance notch and the second clearance notch are configured to allow the wheel to rotate to its maximum angle.

[0011] In some embodiments, the lower guard plate body includes a front engine compartment lower guard plate, a body lower guard plate, and a trunk lower guard plate, wherein the body lower guard plate is connected to the front engine compartment lower guard plate and the trunk lower guard plate, respectively.

[0012] In some embodiments, the front engine compartment underbody panel, the vehicle body underbody panel, and the luggage compartment underbody panel are integrally formed;

[0013] Alternatively, the front engine compartment underbody panel, the body underbody panel, and the trunk underbody panel can be detachably connected, and the connection points are smoothly transitioned.

[0014] In some embodiments, the connection between the lower suspension guard plate and the lower guard plate body is a smooth transition.

[0015] In some embodiments, the lower suspension guard plate overlaps with the lower guard plate body;

[0016] Alternatively, the side of the lower suspension guard plate is provided with a slot, and the lower guard plate body is fitted into the slot.

[0017] In some embodiments, the lower suspension guard plate is connected to the lower guard plate body by rivets or push-buttons; or, the lower suspension guard plate is bonded to the lower guard plate body.

[0018] In a second aspect of this application, a vehicle is provided that includes the lower guard plate assembly described in the first aspect.

[0019] A lower guard plate assembly provided according to one or more embodiments of this application has the following advantages compared to the prior art:

[0020] The lower suspension guard plate is connected to both the lower guard plate body and the vehicle's suspension assembly. The lower suspension guard plate is made of an elastic material, allowing it to deform accordingly with the up-and-down movement of the suspension assembly. Furthermore, the lower suspension guard plate has a clearance section at the vehicle's wheel position to prevent motion interference. The lower suspension guard plate covers the suspension section of the vehicle chassis, ensuring continuous coverage of the lower guard plate assembly in the suspension area. This prevents eddies and turbulence caused by airflow, thereby reducing overall vehicle aerodynamic drag. Additionally, it effectively reduces wind noise during vehicle operation and provides some protection for chassis components. Attached Figure Description

[0021] Figure 1 A schematic diagram of the lower guard plate assembly in an embodiment of this application is shown.

[0022] Figure 2 This application shows Figure 1 A magnified view of part A in the middle.

[0023] Figure 3 The diagram shows a front view of the suspension lower guard plate of the lower guard plate assembly in the normal suspension state, according to an embodiment of this application.

[0024] Figure 4 A side view of the suspension lower guard plate of the lower guard plate assembly in the normal suspension state is shown in an embodiment of this application.

[0025] Figure 5 A side view of the suspension lower guard plate of the lower guard plate assembly in the suspension downhill state is shown in an embodiment of this application.

[0026] Figure 6 A side view of the lower suspension guard plate of the lower guard plate assembly in the suspension up-jump state is shown in an embodiment of this application.

[0027] Explanation of reference numerals in the attached drawings: 1-lower skid plate body, 11-front engine compartment lower skid plate, 12-body lower skid plate, 13-luggage compartment lower skid plate; 2-suspension lower skid plate, 21-front suspension lower skid plate, 210-avoidance section, 211-first avoidance notch, 212-second avoidance notch, 22-rear suspension lower skid plate; 100-lower control arm. Detailed Implementation

[0028] To enable those skilled in the art to more clearly understand this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0029] Please see Figures 1-6 According to a first aspect of this application, a lower guard plate assembly is provided, including a lower guard plate body 1 and a suspension lower guard plate 2 with the same number of wheels as the vehicle:

[0030] The lower guard plate body 1 covers the front engine compartment, body, and trunk of the vehicle chassis. The lower guard plate body 1 includes a front engine compartment lower guard plate 11, a body lower guard plate 12, and a trunk lower guard plate 13. The body lower guard plate 12 is connected to the front engine compartment lower guard plate 11 and the trunk lower guard plate 13, respectively. The front engine compartment lower guard plate 11 covers the area of ​​the vehicle chassis corresponding to the front engine compartment, the body lower guard plate 12 covers the area of ​​the vehicle chassis corresponding to the body, and the trunk lower guard plate 13 covers the area of ​​the vehicle chassis corresponding to the trunk. The front engine compartment lower guard plate 11, the body lower guard plate 12, and the trunk lower guard plate 13 are made of hard material.

[0031] The lower suspension guard plate 2 is connected to the lower guard plate body 1 and the vehicle's suspension assembly, respectively. The lower suspension guard plate 2 covers the suspension portion of the vehicle chassis near the wheels and is made of elastic material. Corresponding to the steering wheels in the vehicle, the lower suspension guard plate 2 has a avoidance part 210 for avoiding the wheels. Specifically, as... Figure 1 As shown, if it is a front-wheel steering vehicle, the avoidance part 210 is provided on the lower suspension guard plate 2 corresponding to the two front wheels; if it is a four-wheel steering, six-wheel steering or vehicle with more steering wheels, the lower suspension guard plate 2 corresponding to each steering wheel is provided with the avoidance part 210.

[0032] Under normal conditions, the lower suspension guard plate 2 is not subjected to the tension of the suspension assembly, and the lower suspension guard plate 2 is flush with the lower guard plate body 1. When the suspension bounces down, the suspension assembly exerts a downward tension on the lower suspension guard plate 2, and the connection between the lower suspension guard plate 2 and the suspension assembly deforms downward accordingly. The lower suspension guard plate 2 at this position forms a smooth transition with the surrounding lower suspension guard plates 2. When the suspension bounces up, the suspension assembly exerts an upward tension on the lower suspension guard plate 2, and the connection between the lower suspension guard plate 2 and the suspension assembly deforms upward accordingly. The lower suspension guard plate 2 at this position forms a smooth transition with the surrounding lower suspension guard plates 2, thus enclosing uneven parts of the vehicle chassis, avoiding motion interference, and reducing aerodynamic drag.

[0033] The lower guard plate assembly provided in this application embodiment is connected to the lower guard plate body 1 and the vehicle's suspension assembly via the suspension lower guard plate 2. The suspension lower guard plate 2 is made of elastic material so that it can deform accordingly with the up-and-down swing of the suspension assembly. The suspension lower guard plate 2 is provided with a clearance part 210 at the position of the vehicle wheel to avoid motion interference. The suspension lower guard plate 2 covers the suspension part of the vehicle chassis, so that the lower guard plate assembly has a continuous coverage surface in the suspension area, avoiding eddies and turbulence phenomena caused by air flow and reducing the aerodynamic drag of the whole vehicle. In addition, it can effectively reduce wind noise during vehicle driving and at the same time play a certain role in protecting chassis-related components.

[0034] In some embodiments, the lower suspension guard 2 is connected to the lower control arm 100 of the suspension assembly. For example... Figure 1 As shown, the suspension lower guard plate 2 includes a front suspension lower guard plate 21 and a rear suspension lower guard plate 22. The front suspension lower guard plate 21 is connected to the lower guard plate body 1 and is connected to the lower control arm 100 of the suspension assembly at the front wheel of the vehicle. The rear suspension lower guard plate 22 is connected to the lower guard plate body 1 and is connected to the lower control arm 100 of the suspension assembly at the rear wheel of the vehicle. The front suspension lower guard plate 21 is connected to the front engine compartment lower guard plate 11 and the body lower guard plate 12 respectively. The two front suspension lower guard plates 21 are connected to the lower control arms 100 of the left and right front wheels of the vehicle respectively, covering the suspension of the left and right front wheels of the vehicle chassis. The rear suspension lower guard plate 22 is connected to the body lower guard plate 12 and the trunk lower guard plate 13 respectively. The two rear suspension lower guard plates 22 are connected to the lower control arms 100 of the left and right rear wheels of the vehicle respectively, covering the suspension of the left and right rear wheels of the vehicle chassis. The front suspension lower guard plate 21 and the rear suspension lower guard plate 22 form a whole with the lower guard plate body 1, covering not only the parts of the vehicle chassis that do not move relative to each other, but also the parts of the suspension that move relative to each other. This reduces the vortex and turbulence phenomena caused by air flow at the suspension during vehicle travel at different speeds, thereby reducing the aerodynamic drag of the whole vehicle and achieving the purpose of reducing the energy consumption of the whole vehicle.

[0035] In some implementations, such as Figure 1 As shown, if it is a front-wheel steering vehicle, the avoidance part 210 is provided on the lower suspension guard plate 2 corresponding to the two front wheels, that is, the lower suspension guard plate 21 is provided with the avoidance part 210.

[0036] In other embodiments, if it is a four-wheel steering vehicle, the lower suspension guard plate 2 corresponding to the front wheel and the rear wheel is provided with the avoidance part 210, that is, the lower suspension guard plate 21 of the front suspension and the lower suspension guard plate 22 are both provided with the avoidance part 210.

[0037] In summary, each suspension underbody 2 corresponding to a wheel with steering function is provided with the aforementioned avoidance part 210.

[0038] In some embodiments, the avoidance portion 210 includes a first avoidance notch 211 and a second avoidance notch 212, which are sequentially arranged along the length of the vehicle. Specifically, the first avoidance notch 211 and the second avoidance notch 212 are respectively located on the front and rear sides of the wheel rotation center. By providing the first avoidance notch 211 and the second avoidance notch 212, sufficient space is provided for the wheel to turn left or right, avoiding motion interference of the front suspension lower guard plate 21 on the wheel's steering.

[0039] In some embodiments, both the first clearance notch 211 and the second clearance notch 212 are configured to allow the wheel to rotate to its maximum angle. The cross-section of the first clearance notch 211 is arc-shaped, and its shape allows the left front wheel to rotate to the right to its maximum angle or the right front wheel to rotate to the left to its maximum angle. The cross-section of the second clearance notch 212 is arc-shaped, and its shape allows the left front wheel to rotate to the left to its maximum angle or the right front wheel to rotate to the right to its maximum angle, so as to provide sufficient space for the left or right front wheel to rotate and avoid the front suspension lower guard plate 21 from interfering with the movement of the left or right front wheel.

[0040] In some embodiments, the front engine compartment lower guard plate 11, the body lower guard plate 12, and the trunk lower guard plate 13 are integrally formed. By integrally forming the front engine compartment lower guard plate 11, the body lower guard plate 12, and the trunk lower guard plate 13, the overall integrity of the lower guard plate body 1 is better, which can better reduce the wind resistance of the vehicle chassis and thus reduce the vehicle's air resistance.

[0041] In some embodiments, the front engine compartment lower guard plate 11, the body lower guard plate 12, and the trunk lower guard plate 13 are detachably connected, with a smooth transition at the connection point. When the plates are thin, the front engine compartment lower guard plate 11, the body lower guard plate 12, and the trunk lower guard plate 13 can be flush and then detachably connected by rivets or other structures. This facilitates maintenance by simply removing the corresponding lower guard plate when repairing a specific part, making installation and maintenance convenient. When the plates are thick, a certain slope can be set between the front engine compartment lower guard plate 11 and the body lower guard plate 12, and a certain slope can be set between the body lower guard plate 12 and the trunk lower guard plate 13. The front engine compartment lower guard plate 11, the body lower guard plate 12, and the trunk lower guard plate 13 gradually rise or fall, so that the airflow moves in one direction, avoiding turbulence at the chassis, thereby reducing the wind resistance of the vehicle chassis and reducing the vehicle's air resistance.

[0042] In some embodiments, the suspension lower guard plate 2 is connected to the lower guard plate body 1 by rivets. The front suspension lower guard plate 21 is connected to the front engine compartment lower guard plate 11 and the body lower guard plate 12 by rivets, thus achieving a detachable connection between the front suspension lower guard plate 21 and the front engine compartment lower guard plate 11 and the body lower guard plate 12; the rear suspension lower guard plate 22 is connected to the body lower guard plate 12 and the trunk lower guard plate 13 by rivets, thus achieving a detachable connection between the rear suspension lower guard plate 22 and the body lower guard plate 12 and the trunk lower guard plate 13. Using rivets for connection makes the connection between the suspension lower guard plate 2 and the lower guard plate body 1 more secure, improving the reliability and stability of the structure.

[0043] In other embodiments, the lower suspension guard plate 2 is connected to the lower guard plate body 1 by bolts. Bolts are used to connect the front lower suspension guard plate 21 to the front engine compartment lower guard plate 11 and the body lower guard plate 12, enabling a detachable connection. Bolts are also used to connect the rear lower suspension guard plate 22 to the body lower guard plate 12 and the trunk lower guard plate 13, enabling a detachable connection. Bolt fixing is convenient, and disassembly can be achieved simply by breaking the bolt. Since bolts are low in cost, they provide convenience for frequent maintenance and allow for quick disassembly.

[0044] In some other embodiments, the lower suspension guard plate 2 is bonded to the lower guard plate body 1. Adhesive is applied to the connection points of the front lower suspension guard plate 21 with the front engine compartment lower guard plate 11 and the vehicle body lower guard plate 12 to bond them together. When disassembly is required, the connection points of the front lower suspension guard plate 21 are gradually opened and bonded, and then the front lower suspension guard plate 21 can be removed, thus achieving a detachable connection between the front lower suspension guard plate 21 and the front engine compartment lower guard plate 11 and the vehicle body lower guard plate 12. Similarly, adhesive is applied to the connection points of the rear lower suspension guard plate 22 with the vehicle body lower guard plate 12 and the trunk lower guard plate 13 to bond them together. When disassembly is required, the connection points of the rear lower suspension guard plate 22 are gradually opened and bonded, and then the rear lower suspension guard plate 22 can be removed, thus achieving a detachable connection between the rear lower suspension guard plate 22 and the vehicle body lower guard plate 12 and the trunk lower guard plate 13.

[0045] In some embodiments, the connection between the lower suspension guard plate 2 and the lower guard plate body 1 is smooth. When the lower suspension guard plate 2 is thin, it can overlap with the lower guard plate body 1; or, when the lower suspension guard plate 2 is thick, a groove is provided in the middle of the side of the lower suspension guard plate 2, and the side of the lower guard plate body 1 is fitted into the groove. A smooth transition at the connection between the front suspension lower guard plate 21 and the front engine compartment lower guard plate 11 and the body lower guard plate 12 prevents air turbulence at this point, causing air to flow towards the rear and sides of the vehicle, thereby reducing the vehicle's chassis wind resistance and thus reducing the vehicle's air resistance. Similarly, a smooth transition at the connection between the rear suspension lower guard plate 22 and the body lower guard plate 12 and the trunk lower guard plate 13 prevents air turbulence at this point, causing air to flow towards the rear and sides of the vehicle, thereby reducing the vehicle's chassis wind resistance and thus reducing the vehicle's air resistance.

[0046] In some embodiments, the lower suspension guard plate 2 can be inserted into the inner edge of the tire. The distance between the lower suspension guard plate 2 and the wheel hub is set as small as possible, as long as it does not affect the steering of the wheel. This can cover the suspension part to the greatest extent, thereby better avoiding turbulence in the suspension part and reducing the aerodynamic drag of the whole vehicle to a greater extent.

[0047] The working principle of this lower skid plate assembly is as follows: The suspension lower skid plate 2 is made of elastic material, covers the suspension parts of the vehicle chassis, and is connected with the front engine compartment lower skid plate 11, the body lower skid plate 12, and the trunk lower skid plate to form a lower skid plate assembly, enclosing uneven parts of the vehicle chassis; the suspension lower skid plate 2 is connected to the suspension assembly, and due to its own elasticity, the suspension lower skid plate 2 can deform accordingly with the up and down swing of the suspension assembly, forming a smooth transition between the deformed suspension lower skid plate 2 and the surrounding front engine compartment lower skid plate 11, body lower skid plate 12, and trunk lower skid plate; the front suspension lower skid plate 21 is provided with a first clearance notch 211 and The second clearance notch 212, the first clearance notch 211 and the second clearance notch 212 are provided on both sides of the front wheel drive shaft of the vehicle. The cross-section of the first clearance notch 211 is arc-shaped, and the shape of the first clearance notch 211 allows the left front wheel to rotate to the right to the maximum angle or the right front wheel to rotate to the left to the maximum angle. The cross-section of the second clearance notch 212 is arc-shaped, and the shape of the second clearance notch 212 allows the left front wheel to rotate to the left to the maximum angle or the right front wheel to rotate to the right to the maximum angle, so as to leave enough space for the left or right front wheel to rotate and avoid the front suspension lower guard plate 21 from interfering with the movement of the left or right front wheel.

[0048] A second aspect of this application provides a vehicle including the lower guard plate assembly described in the first aspect.

[0049] The vehicle provided in this application embodiment is connected to the lower suspension guard plate 2, the lower guard plate body 1, and the vehicle's suspension assembly. The lower suspension guard plate 2 is made of an elastic material so that it can deform accordingly with the up-and-down swing of the suspension assembly. The lower suspension guard plate 2 is provided with a clearance part 210 at the position of the vehicle wheel to avoid motion interference. The lower suspension guard plate 2 covers the suspension part of the vehicle chassis, so that the lower guard plate assembly has a continuous coverage surface in the suspension area, avoiding eddies and turbulence caused by air flow and reducing the aerodynamic drag of the entire vehicle. In addition, it can effectively reduce wind noise during vehicle driving and also provide a certain degree of protection for chassis-related components.

[0050] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0051] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0052] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0053] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0054] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A lower guard plate assembly, characterized in that, include: The lower guard plate body covers the front engine compartment, body, and trunk of the vehicle chassis. The suspension underbody has the same number of wheels as the vehicle, and its length along the vehicle's length direction is greater than the wheel diameter. The suspension underbody is connected to the underbody body and the vehicle's suspension assembly. The suspension underbody covers the suspension portion of the vehicle chassis and is made of elastic material. The suspension underbody corresponding to the steering wheel in the vehicle is provided with a avoidance part for avoiding the wheel. The connection between the lower suspension guard plate and the lower guard plate body is smoothly transitioned. When the suspension bounces up or down, the suspension assembly applies an upward or downward pulling force to the lower suspension guard plate. The lower suspension guard plate deforms upward or downward at the connection point with the suspension assembly, and the lower suspension guard plate at this location forms a smooth transition with the surrounding lower suspension guard plates. The avoidance part includes a first avoidance notch and a second avoidance notch, which are arranged sequentially on the front and rear sides of the wheel rotation center along the length direction of the vehicle.

2. The lower guard plate assembly according to claim 1, characterized in that, The lower suspension guard plate is connected to the lower control arm of the suspension assembly.

3. The lower guard plate assembly according to claim 1, characterized in that, Both the first clearance notch and the second clearance notch are configured to allow the wheel to rotate to its maximum angle.

4. The lower guard plate assembly according to claim 1, characterized in that, The lower guard plate body includes a front engine compartment lower guard plate, a body lower guard plate, and a trunk lower guard plate, and the body lower guard plate is connected to the front engine compartment lower guard plate and the trunk lower guard plate respectively.

5. The lower guard plate assembly according to claim 4, characterized in that, The front engine compartment lower guard plate, the vehicle body lower guard plate, and the luggage compartment lower guard plate are integrally formed; Alternatively, the front engine compartment underbody panel, the body underbody panel, and the trunk underbody panel can be detachably connected, and the connection points are smoothly transitioned.

6. The lower guard plate assembly according to claim 1, characterized in that, The lower suspension guard plate overlaps with the lower guard plate body; Alternatively, the side of the lower suspension guard plate is provided with a slot, and the lower guard plate body is fitted into the slot.

7. The lower guard plate assembly according to any one of claims 1-6, characterized in that, The lower suspension guard plate is connected to the lower guard plate body by rivets or push-buttons; or, the lower suspension guard plate is bonded to the lower guard plate body.

8. A vehicle, characterized in that, Includes the lower guard plate assembly as described in any one of claims 1-7.

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