Side guard and vehicle

Abstract

The application belongs to the technical field of vehicles, and discloses a side protection device and a vehicle. The side protection device is installed on a chassis of the vehicle. The lateral direction of the vehicle is a first direction. The side protection device comprises a main panel, a support and an additional part. The main panel is arranged on one side of the chassis along a second direction and is a rigid plate. The support is fixed on the main panel to install the main panel on one side of the chassis. The additional part is arranged below the main panel and extends along the second direction. The additional part is an elastic deformation part. The second direction is perpendicular to the first direction. The side protection device and the vehicle comprising the side protection device have stable structure and strong wind resistance.

Description

Technical Field

[0001] This invention relates to the field of vehicle technology, and more particularly to a side protection device and a vehicle. Background Technology

[0002] Side protection devices improve the appearance of vehicle sides, prevent people from being trapped, and reduce wind resistance, thus enhancing the overall quality of the tractor unit. Therefore, an increasing number of heavy-duty tractor units are being equipped with side protection devices. Currently, however, the gap between the side protection devices and the ground is large, resulting in weak wind resistance reduction capabilities. Summary of the Invention

[0003] One of the objectives of this invention is to provide a side protection device that can effectively reduce wind resistance and has high reliability.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A side protection device is installed on the chassis of a vehicle, with the lateral direction of the vehicle being a first direction. The side protection device includes a main panel, a bracket, and an additive. The main panel extends along a second direction and is disposed on one side of the chassis. The main panel is a rigid plate. The bracket is fixed to the main panel to mount the main panel on one side of the chassis. The additive is disposed below the main panel and extends along the second direction. The additive is an elastically deformable member. The second direction is perpendicular to the first direction.

[0006] Preferably, the system also includes a transition element, which is installed on the inner side of the main panel and has a clearance fit with the transition element.

[0007] Preferably, the transition piece is fitted to the lower end surface of the main panel.

[0008] Preferably, the protective surface formed by the combination of the outer side of the main panel, the outer side of the transition piece, and the outer side of the additive piece has a smooth transition.

[0009] Preferably, the additive includes a plug-in portion, a reversing portion, and a filling portion. The plug-in portion is plugged into the transition member. One end of the reversing portion is connected to the plug-in portion, and the other end extends outward from the main panel and is connected to the vertically arranged filling portion.

[0010] Preferably, the transition member includes a connecting part, a placement part, a contact part, and a support part. The connecting part is connected to the inner side of the main panel. The placement part is disposed at the lower end of the connecting part and extends outward from the main panel. The placement part has a slot for the insertion part to be inserted. The contact part is disposed on the upper surface of the placement part and fits against the lower end surface of the main panel. One end of the support part is connected to the lower surface of the placement part, and the other end is located below the deflection part and abuts against the deflection part.

[0011] Preferably, the system also includes a reinforcing plate, which includes a first reinforcing plate disposed at the upper end of the main panel and a second reinforcing plate disposed at the lower end of the main panel. The transition member is fixed to the second reinforcing plate, and a plurality of the brackets are fixed to the first reinforcing plate and / or the transition member.

[0012] Preferably, the main panel includes a main body, a flange, and reinforcing ribs. The flange is located inside the main body and surrounds the periphery of the main body. Multiple reinforcing ribs are arranged crisscrossingly inside the main body and connected to the flange.

[0013] Preferably, the main panel further includes a BOS column, the BOS column having a projection weld nut inside, and the transition piece and the bracket being connected to the main panel by bolts inserted into the BOS column.

[0014] Another embodiment of the present invention provides a vehicle, the vehicle including a chassis, longitudinal beams disposed on the chassis and a mudguard assembly, the mudguard assembly including a front mudguard and a rear mudguard disposed at intervals along a second direction, and further including any of the aforementioned side protection devices, the side protection devices, the longitudinal beams and the mudguard assembly enclosing an installation space, and a plurality of brackets being detachably connected to a plurality of functional components within the installation space.

[0015] The beneficial effects of this invention are as follows: The side protection device of this invention utilizes a rigid main panel as the main functional component to prevent personnel from being engulfed and reduce wind resistance, resulting in strong structural stability. The use of elastic additives positioned below the main panel further reduces wind resistance by minimizing the gap between the side protection device and the ground, while also minimizing impact on the vehicle's overall passability. Vehicles equipped with the aforementioned side protection device, where the main panel, in conjunction with the mudguard assembly and longitudinal beams, encloses multiple functional components and connects them via brackets, exhibit reliable connection structure, effectively providing safety protection for the enclosed functional components. Attached Figure Description

[0016] Figure 1 This is a partial structural schematic diagram of the vehicle in an embodiment of the present invention;

[0017] Figure 2This is a plan view of the side protection device in an embodiment of the present invention;

[0018] Figure 3 yes Figure 2 A magnified structural diagram of point A;

[0019] Figure 4 This is a schematic diagram of the structure of the first protective assembly in an embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of the main panel of the first protective assembly in an embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of the structure of the transition component of the first protective assembly in an embodiment of the present invention;

[0022] Figure 7 This is a schematic diagram of the structure of the added component in an embodiment of the present invention;

[0023] Figure 8 This is a schematic diagram of the structure of the third support in an embodiment of the present invention;

[0024] Figure 9 This is a schematic diagram of the structure of the fourth support in an embodiment of the present invention;

[0025] Figure 10 This is a schematic diagram of the structure of the fifth bracket in an embodiment of the present invention;

[0026] Figure 11 This is a schematic diagram of the structure of the second protective assembly in an embodiment of the present invention;

[0027] Figure 12 This is a schematic diagram of the main panel of the second protective assembly in an embodiment of the present invention;

[0028] Figure 13 This is a schematic diagram of the structure of the twelfth support in an embodiment of the present invention.

[0029] In the picture:

[0030] 100. Side protection device; 110. Main panel; 111. Main body; 1111. First opening; 1112. Second opening; 1113. First mounting part; 1114. Second mounting part; 1115. Third opening; 1116. Fourth opening; 112. Flanged edge; 113. Reinforcing rib; 114. BOS post; 120. Additive; 121. Insertion part; 122. Directional part; 123. Filling part; 130. Bracket; 130a. First bracket; 130b. Second bracket; 130c. Third bracket; 130d. Fourth bracket; 130e. Fifth bracket; 130f. Sixth bracket; 130g. Seventh bracket; 130 h, Eighth bracket; 130i, Ninth bracket; 130j, Tenth bracket; 130k, Eleventh bracket; 130l, Twelfth bracket; 131, Rectangular tube; 132, First connecting plate; 133, Second connecting plate; 134, Third connecting plate; 135, Fixing part; 136, Abutting part; 137, Main body; 138, Protruding edge; 139, Round tube; 1310, Fourth connecting plate; 1320, Fifth connecting plate; 140, Transition piece; 141, Connecting part; 1411, Clearance groove; 142, Contact part; 143, Placement part; 144, Support part; 150, Reinforcing plate; 150a, First reinforcing plate; 150b, Second reinforcing plate;

[0031] 200, longitudinal beam; 300, first fuel tank; 400, second fuel tank; 500, after-treatment device; 510, urea tank; 520, after-processor; 600, front mudguard; 700, rear mudguard; 800, battery. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0033] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" 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 or an electrical connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] In this invention, unless otherwise explicitly 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 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 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.

[0035] In the description of this embodiment, the terms "upper," "lower," "left," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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 the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0036] refer to Figures 1-13 As shown, an embodiment of the present invention proposes a side protection device 100, which is fixed to the chassis of a vehicle. The side protection device 100 includes a first protection assembly and a second protection assembly respectively disposed on both sides of the chassis along a first direction, which refers to the lateral direction of the vehicle. Both the first and second protection assemblies include a main panel 110, an addendum 120, and a bracket 130. The main panel 110 extends along the first direction and serves as the main functional component for preventing personnel from being engulfed and reducing wind resistance. The bracket 130 is fixed to the main panel 110, and the main panel 110 is fixed to the corresponding side of the chassis via the bracket 130. The addendum 120 is disposed below the main panel 110 and extends along a second direction, reducing the gap between the side protection device 100 and the ground, effectively reducing air resistance. It should be emphasized that the main panel 110 is a rigid plate, and the addendum 120 is an elastic deformable member. The second direction refers to the longitudinal direction of the vehicle and is perpendicular to the first direction.

[0037] The aforementioned side protection device 100 uses a rigid main panel 110 as the main functional component to prevent personnel from being drawn in and reduce driving wind resistance, resulting in strong structural stability. An additive 120 is installed below the main panel 110, which can further reduce wind resistance by reducing the gap between the device and the ground. Since the additive 120 is an elastic deformable part, it can reduce wind resistance without easily affecting the overall vehicle passability.

[0038] In some embodiments, the main panel 110 is made of low-density glass fiber molded into shape. The low-density glass fiber structure is strong and lightweight, which can effectively reduce oil consumption. The additive 120 is made of EPDM rubber, more specifically, injection-molded black EPDM rubber, which is wear-resistant.

[0039] Based on this, to reduce the difficulty of connecting the main panel 110 and the additive 120, the first protective assembly and the second protective assembly also include an extruded transition piece 140. The transition piece 140 is fixed to the inner side of the main panel 110 by bolts, and the additive 120 is connected to the main panel 110 by a clearance fit built into the transition piece 140. Preferably, the transition piece 140 is made of extruded aluminum profile. Using the extruded transition piece 140 to connect the molded main panel 110 and the elastic additive 120 facilitates the connection of dissimilar materials.

[0040] refer to Figure 5 and Figure 12 As shown, the main panel 110 includes a main body 111, a flange 112, reinforcing ribs 113, and BOS columns 114. The main body 111 is generally arc-shaped with an outward convex shape to ensure an aesthetically pleasing appearance. The flange 112 is located inside the main body 111 and surrounds its perimeter. Multiple reinforcing ribs 113 are arranged crisscrossingly inside the main body 111, with both ends of the reinforcing ribs 113 extending to intersect with the flange 112 to provide structural reinforcement. Two rows of BOS columns 114 are arranged vertically and horizontally on the inner side of the main body 111. The BOS columns 114 located at the upper end of the main body 111 are used to connect the bracket 130, and the BOS columns 114 located at the upper part of the main body 111 are used to connect the transition piece 140 and the bracket 130. Specifically, multiple BOS columns 114 are spaced apart in each row, and each BOS column 114 has a projection weld nut embedded in it, which is used to provide connection points for the main panel 110, transition piece 140 or bracket 130. More specifically, stiffeners 113 pass through the BOS columns 114 to improve the structural strength of the BOS columns 114.

[0041] refer to Figure 3 and Figure 6As shown, the transition piece 140 is approximately L-shaped, including a connecting portion 141 and a placement portion 143. The connecting portion 141 is located inside the main panel 110 and connected to the main panel 110 by bolts. The placement portion 143 is connected to the lower end of the connecting portion 141 and extends outward from the main panel 110. A T-shaped slot extending in a second direction is provided on the placement portion 143 for the insertion of the adder 120 to achieve a clearance fit. The slot communicates with the lower surface of the placement portion 143. Notably, the transition piece 140 also includes a contact portion 142, which protrudes from the upper surface of the placement portion 143 to fully fit against the flange 112 located below the main panel 110, thereby preventing a gap from forming between the transition piece 140 and the main panel 110 and affecting the wind resistance reduction effect.

[0042] refer to Figure 3 and Figure 7 As shown, the adder 120 includes a plug-in portion 121 and a filling portion 123. The plug-in portion 121 is inserted into a slot provided in the placement portion 143, and the filling portion 123 is disposed at the lower end of the plug-in portion 121 to reduce the gap between the entire side protection device 100 and the ground. Specifically, the adder 120 also includes a deflecting portion 122 connecting the plug-in portion 121 and the filling portion 123. The plug-in portion 121 is T-shaped, one end of the deflecting portion 122 is connected to the end of the plug-in portion 121 that extends out of the slot, and the other end extends horizontally outward toward the main panel 110 and connects to the vertically arranged filling portion 123. Let the width of the plug portion 121 along the first direction be L1, the vertical distance between the side surface of the plug portion 121 away from the filling portion 123 and the side surface of the filling portion 123 away from the plug portion 121 be L2, the height of the plug portion 121 be L3, and the height of the additive 120 be L4. The dimensions of the additive 120 are preferably L1 / L2 = 2 / 3 and L3 / L4 = 1 / 8 to make the connection stable.

[0043] It should be emphasized that the end face of the placement part 143 away from the connecting part 141 (equivalent to the outer side of the transition member 140) is flush with the lower outer side of the main panel 110, and the outer side of the filling part 123 is flush with the end face of the placement part 143 away from the connecting part 141. In other words, the protective surface formed by the combination of the outer side of the main panel 110, the outer side of the transition member 140 and the outer side of the additive 120 has a smooth transition and good wind resistance.

[0044] Based on the aforementioned configuration of the deflection section 122, the transition member 140 further includes a support section 144. The support section 144 is L-shaped, with one vertical end connected to the lower surface of the placement section 143, and the other horizontal end located below the deflection section 122 and abutting against the deflection section 122, thereby supporting the deflection section 122 and further improving the connection stability between the transition member 140 and the addition member 120.

[0045] In some embodiments, to further improve the rigidity of the main panel 110, the first and second protective assemblies further include a reinforcing plate 150 extending along a second direction. (See reference...) Figure 3 , Figure 4 and Figure 11 As shown, the reinforcing plate 150 includes a first reinforcing plate 150a disposed at the upper end of the main panel 110 and a second reinforcing plate 150b disposed at the lower end of the main panel 110. Both the first reinforcing plate 150a and the second reinforcing plate 150b are connected to the main panel 110 by bolts connected to the BOS post 114. The transition piece 140 is fixed to the second reinforcing plate 150b to achieve the connection with the main panel 110. The bracket 130 is fixed to the first reinforcing plate 150a and / or the transition piece 140 to achieve the connection with the main panel 110. It can be understood that when the reinforcing plate 150 is connected to the main panel 110 by bolts, the bolts can pass through the transition piece 140 and / or the bracket 130 to simultaneously fix the transition piece 140 and the bracket 130 to the main panel 110. Specifically, the reinforcing plate 150 adopts a channel-shaped low-carbon steel structure, with its slot facing the side of the main panel 110.

[0046] Another embodiment of the present invention provides a vehicle including the aforementioned side protection device 100, preferably a commercial vehicle, such as a heavy-duty tractor. Of course, the type of vehicle is not a limitation of the present invention. The vehicle also includes a chassis, longitudinal beams 200 mounted on the chassis, and mudguard assemblies. Corresponding to the first and second protective assemblies, two mudguard assemblies are provided. Each mudguard assembly includes a front mudguard 600 and a rear mudguard 700 spaced apart along a second direction. One mudguard assembly, together with the first protective assembly and the longitudinal beams 200, forms an installation space (hereinafter referred to as the first installation space), and the other mudguard assembly, together with the second protective assembly and the longitudinal beams 200, forms another installation space (hereinafter referred to as the second installation space). At least a battery 800 and a first fuel tank 300 are installed in the first installation space. The battery 800 is fixed... The battery frame on the longitudinal beam 200 is fixed in the first mounting space. The first fuel tank 300 is fixed in the first mounting space by a fuel tank bracket fixed on the longitudinal beam 200. At least a second fuel tank 400, a step ladder, a lift pump, and an aftertreatment device 500 are installed in the second mounting space. The second fuel tank 400 is fixed in the second mounting space by a fuel tank bracket 130 fixed on the longitudinal beam 200. The aftertreatment device 500 is prior art and includes, but is not limited to, a urea tank 510 and an aftertreatment unit 520, and will not be further described here. For aesthetic purposes, the first protective assembly and the second protective assembly follow the shape of the front fender and the rear fender on both sides along the second direction, respectively.

[0047] Due to the differences in the functional components installed in the first and second installation spaces (including but not limited to the first fuel tank 300, the second fuel tank 400, the battery 800, the step ladder, and the aftertreatment device 500), the main panel 110 in the first protective assembly and the main panel 110 in the second protective assembly also have certain structural differences. (Reference) Figure 4 and Figure 5 As shown, the main panel 110 of the first protective assembly has a first opening 1111 and a second opening 1112. The first opening 1111 corresponds to the battery frame and is connected to the top end face of the main panel 110, providing clearance for the switch of the battery 800. The second opening 1112 corresponds to the fuel tank cap of the first fuel tank 300, providing clearance for refueling the first fuel tank 300. In addition, the main panel 110 of the first protective assembly also has a first mounting part 1113, which is a concave circular groove structure for integrating the side marker light bracket 130 to mount the side marker light.

[0048] refer to Figure 11 and Figure 12 As shown, the main panel 110 of the second protective assembly has a third opening 1115 and a fourth opening 1116. The third opening 1115 corresponds to the trolley step and provides clearance for the trolley step. The fourth opening 1116 corresponds to the lifting pump and connects to the top end face of the main panel 110, providing clearance for the lifting pump during operation. Similar to the main panel 110 of the first protective assembly, the main panel 110 of the second protective assembly has a second mounting portion 1114 with a concave circular groove structure for integrating the side marker light bracket 130 to mount the side marker light. The first mounting portion 1113 and the second mounting portion 1114 are symmetrically arranged along a first direction.

[0049] In this embodiment, the transition member 140 in the first protective assembly differs from the transition member 140 in the second protective assembly. (See reference...) Figure 6 As shown, the transition member 140 in the first protective assembly has multiple clearance grooves 1411 spaced apart along the second direction on the connecting part 141 for clearance of the fuel tank bracket. The second reinforcing plate 150b in the first protective assembly is configured to clearance of the fuel tank bracket and is arranged in multiple segments spaced apart along the second direction.

[0050] refer to Figure 1As shown, the main panel 110 in the first protective assembly is connected to the fuel tank bracket, the corresponding mudguard assembly, and the battery frame via brackets 130. This not only improves the structural stability of the first protective assembly but also provides effective safety protection for the first fuel tank 300, the mudguard assembly, and the battery 800. Therefore, multiple brackets 130 are provided in the first protective assembly, and their structures and shapes vary depending on the functional components they connect to. However, all brackets 130 are constructed of low-carbon steel.

[0051] refer to Figure 4 , Figure 8 , Figure 9 and Figure 10As shown, the bracket 130 in the first protective assembly includes a first bracket 130a, a second bracket 130b, a third bracket 130c, a fourth bracket 130d, and a fifth bracket 130e. Multiple first brackets 130a are fixed along a second direction to the connecting portion 141 of the transition member 140, for connecting the main panel 110 and the fuel tank bracket. The first brackets 130a are Z-shaped and preferably bolted to both the transition member 140 and the fuel tank bracket for easy disassembly. The second bracket 130b is fixed to the first reinforcing plate 150a and corresponds to the front fender 600, for connecting the front fender 600 and the main panel 110. The second bracket 130b is also Z-shaped and preferably bolted to both the reinforcing plate 150 and the front fender 600. The third bracket 130c is fixed to the main panel 110 for connecting the main panel 110 and the battery frame. The third bracket 130c is a welded assembly structure, including a rectangular tube 131, a first connecting plate 132, a second connecting plate 133, and a third connecting plate 134. The rectangular tube 131 is arranged vertically. The first connecting plate 132 and the second connecting plate 133 are located at both ends of the rectangular tube 131, and the third connecting plate 134 is located between the first connecting plate 132 and the second connecting plate 133. The first connecting plate 132 is Z-shaped, with one end fixed to the first reinforcing plate 150a by bolts, and the other end welded to the rectangular tube 131. The second connecting plate 133 is L-shaped, with one end welded to the rectangular tube 131 and the other end fixed to the second reinforcing plate 150b by bolts. The third connecting plate 134 is also Z-shaped, with one end welded to the rectangular tube 131 and the other end preferably bolted to the battery frame. The fourth bracket 130d is fixed to the first reinforcing plate 150a and includes an abutment portion 136 and a fixing portion 135. The abutment portion 136 is used to engage with the rounded corners of the first oil tank 300 and is pressed under the clamp of the first oil tank 300. The fixing portion 135 is disposed on both sides of the abutment portion 136 and fixed to the first reinforcing plate 150a by bolts. The fifth bracket 130e is also fixed to the first reinforcing plate 150a and is used to connect the rear fender 700 and the main panel 110. The fifth bracket includes a flange 138 and a body 137, wherein the body 137 is elliptical, and the flange 138 is arranged around the body 137 to provide structural reinforcement. The body 137 is connected to the rear fender 700 and the first reinforcing plate 150a by bolts respectively.

[0052] Continue reading Figure 1 The main panel 110 in the second protective assembly is connected to the fuel tank bracket 130, the corresponding mudguard assembly, the urea tank 510 in the aftertreatment device 500, and the aftertreatment device 520, to provide safety protection for the second fuel tank 400, the mudguard assembly, and the aftertreatment device 500. Based on this, the bracket 130 in the second protective assembly is also equipped with various designs and uses a low-carbon steel structure.

[0053] refer to Figure 11 and Figure 13 As shown, the bracket 130 in the second protective assembly includes a sixth bracket 130f, a seventh bracket 130g, an eighth bracket 130h, a ninth bracket 130i, a tenth bracket 130j, an eleventh bracket 130k, and a twelfth bracket 130l. The sixth bracket 130f, the seventh bracket 130g, and the eighth bracket 130h are all L-shaped, and the sixth bracket 130f and the seventh bracket 130g are both used to connect the main panel 110 and the front fender 600. Specifically, the sixth bracket 130f and the seventh bracket 130g are bolted to both the main panel 110 and the front fender 600. Unlike the sixth bracket 130f, the seventh bracket 130g extends vertically. The eighth bracket 130h is bolted to the transition piece 140 at one end and fixed to the urea tank 510 at the other end. The ninth bracket 130i is U-shaped and bolted to the transition piece 140. Both ends of the ninth bracket are bolted to the tank bracket 130. The tenth bracket 130j has the same structure as the fourth bracket 130d and is used to fit with the rounded corners of the second tank 400 and is pressed under the clamp of the second tank 400. The eleventh bracket 130k and the fifth bracket 130e have a symmetrical structure along the second direction and are bolted to the first reinforcing plate 150a and the rear mudguard 700.

[0054] The twelfth bracket 130l is also a welded assembly structure, including a round tube 139, a fourth connecting plate 1310 and a fifth connecting plate 1320. The fourth connecting plate 1310 and the fifth connecting plate 1320 are both welded to the round tube 139. The fourth connecting plate 1310 is fixed to the rear processor 520 by bolts, and the fifth connecting plate 1320 is fixed to the transition piece 140 by bolts.

[0055] The side protection device 100 in the aforementioned vehicle is detachably connected to multiple functional components located in the first and second installation spaces. The connection structure is reliable and can form a safety protection for the multiple functional components located in the first and second installation spaces.

[0056] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A side protection device, installed on the chassis of a vehicle, wherein the lateral direction of the vehicle is a first direction, characterized in that, include: A main panel (110) extends along a second direction and is disposed on one side of the chassis. The main panel (110) is a rigid plate. A bracket (130) is fixed to the main panel (110) to mount the main panel (110) onto the chassis; An addendum (120) is disposed below the main panel (110) and extends along the second direction, wherein the addendum (120) is an elastically deformable member; The second direction is perpendicular to the first direction; It also includes a transition piece (140), which is installed on the inside of the main panel (110) and has a clearance fit with the addition piece (120); The additive (120) includes a plug-in part (121), a deflection part (122), and a filling part (123). The plug-in part (121) is plugged into the transition part (140). One end of the deflection part (122) is connected to the plug-in part (121), and the other end extends outward to the main panel (110) and is connected to the vertically arranged filling part (123).

2. The side protection device according to claim 1, characterized in that, The transition piece (140) is attached to the lower end face of the main panel (110).

3. The side protection device according to claim 1 or 2, characterized in that, The protective surface formed by the combination of the outer side of the main panel (110), the outer side of the transition piece (140), and the outer side of the additive piece (120) has a smooth transition.

4. The side protection device according to claim 1, characterized in that, The transition member (140) includes a connecting part (141), a placement part (143), a contact part (142), and a support part (144). The connecting part (141) is connected to the inner side of the main panel (110). The placement part (143) is connected to the lower end of the connecting part (141) and extends outward from the main panel (110). The placement part (143) has a slot for the insertion part (121) to be inserted. The contact part (142) is disposed on the upper surface of the placement part (143) and fits against the lower end surface of the main panel (110). One end of the support part (144) is connected to the lower surface of the placement part (143), and the other end is located below the reversing part (122) and abuts against the reversing part (122).

5. The side protection device according to claim 1, characterized in that, It also includes a reinforcing plate (150), which includes a first reinforcing plate (150a) disposed at the upper end of the main panel (110) and a second reinforcing plate (150b) disposed at the lower end of the main panel (110). The transition piece (140) is fixed on the second reinforcing plate (150b), and a plurality of brackets (130) are fixed on the first reinforcing plate (150a) and / or the transition piece (140).

6. The side protection device according to claim 1, characterized in that, The main panel (110) includes a main body (111), a flange (112), and a reinforcing rib (113). The flange (112) is located inside the main body (111) and is arranged around the periphery of the main body (111). Multiple reinforcing ribs (113) are arranged crisscrossingly inside the main body (111), and the flange (112) is connected to the reinforcing ribs (113).

7. The side protection device according to claim 6, characterized in that, The main panel (110) also includes a BOS column (114), which has a projection weld nut inside. The transition piece (140) and the bracket (130) are connected to the main panel (110) by bolts inserted into the BOS column (114).

8. A vehicle, the vehicle comprising a chassis, longitudinal beams (200) disposed on the chassis, and a mudguard assembly, the mudguard assembly comprising a front mudguard (600) and a rear mudguard (700) spaced apart along a second direction, characterized in that, It also includes the side protection device as described in any one of claims 1-7, wherein the side protection device, the longitudinal beam (200), and the mudguard assembly enclose an installation space, and the plurality of brackets (130) are detachably connected to the plurality of functional components within the installation space.

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