An upper support device and vehicle that facilitates upper leg protection for pedestrians

Abstract

This invention discloses an upper support device and vehicle that facilitates upper leg protection for pedestrians. The upper support device includes a support structure, a mounting structure, and a connecting beam. The mounting structure has a holding space for accommodating a front bumper crossbeam. The support structure is connected to the mounting structure. A first end of the connecting beam is connected to the support structure, and a second end of the connecting beam is used to connect to the upper part of the front bumper assembly. An overlapping space for accommodating the license plate frame of the front bumper assembly is located at the angle formed between the support structure and the connecting beam. The holding space and the overlapping space are located on opposite sides of the connecting beam. The support structure includes a support platform and an overlapping platform. The support platform is clamped between the mounting structure and the connecting beam, and the overlapping platform is connected to the end of the support platform away from the mounting structure. The overlapping platform is used to insert into the bottom of the license plate frame of the front bumper assembly. This device provides support for the vehicle license plate frame while also meeting the requirements for upper leg protection for pedestrians.

Description

Technical Field

[0001] This disclosure pertains to the field of automobile manufacturing technology, and specifically relates to an upper support device and vehicle that facilitates the protection of pedestrians' upper legs. Background Technology

[0002] To reduce pedestrian injuries in collisions with vehicles, cars are equipped with front bumper guards (or front bumpers). When a pedestrian collides with a moving vehicle, the front bumper deforms to absorb some of the impact energy, thus reducing the energy transferred to the pedestrian and minimizing injury. Large SUVs, with their greater mass and size and the largest approach angle among passenger cars, have a lower leg contact area that only covers the knee. The upper leg makes full contact with the front of the vehicle in the vertical direction, while the lower leg is essentially not in contact with the vehicle. Therefore, during a collision, as the pedestrian falls towards the vehicle, the lower leg swings backward around the knee, causing excessive knee flexion and excessive stretching of the knee ligaments, resulting in significant leg injury.

[0003] To reduce potential injuries to pedestrians' legs or knees during an accident, pedestrian protection brackets are typically installed at the vehicle's crash beam. These brackets cushion the pedestrian's legs or knees in the event of a collision, with the crash beam located in front of the radiator.

[0004] Currently, there are no pedestrian protection brackets or supports installed at the vehicle license plate area. If a pedestrian's leg or knee hits the vehicle license plate area, it will cause injury to the pedestrian's leg or knee, and at the same time, it is easy to cause the vehicle license plate to be dented. Summary of the Invention

[0005] This disclosure provides an upper support device and vehicle that facilitates upper leg protection for pedestrians, providing support for the vehicle license plate frame while also meeting the requirements for upper leg protection. The technical solution is as follows:

[0006] In a first aspect, the present disclosure provides an upper support device that facilitates the protection of a pedestrian's upper leg, the upper support device comprising a support structure, a mounting structure, and a connecting beam;

[0007] The mounting structure has a clamping space for accommodating the front bumper beam;

[0008] The supporting structure is connected to the mounting structure; the first end of the connecting beam is connected to the supporting structure, and the second end of the connecting beam is used to connect to the upper part of the front bumper assembly.

[0009] The angle formed between the support structure and the connecting beam has an overlapping space for accommodating the front bumper assembly license plate frame; the holding space and the overlapping space are located on opposite sides of the connecting beam; the support structure includes a support platform and an overlapping platform; the support platform is clamped between the mounting structure and the connecting beam, and the overlapping platform is connected to the end of the support platform away from the mounting structure, and the overlapping platform is used to insert into the bottom of the front bumper assembly license plate frame.

[0010] In another implementation of this disclosure, the mounting structure includes an upper mounting plate and a front mounting plate connected to each other, and the included angle formed between the upper mounting plate and the front mounting plate has a holding space for accommodating the front bumper beam; the support structure is connected to the upper mounting plate, the upper mounting plate is used to connect to the upper end face of the front bumper beam, and the front mounting plate is used to connect to the front end face of the front bumper beam.

[0011] In another implementation of this disclosure, mounting holes are provided at the left and right ends of the upper mounting plate and the front mounting plate, respectively; both the upper mounting plate and the front mounting plate are connected to the front bumper beam through the mounting holes.

[0012] A ring-shaped reinforcing rib is provided at each mounting hole of the upper mounting plate and the front mounting plate.

[0013] In another implementation of this disclosure, the support structure includes two support legs; both support legs are connected to the mounting structure and are spaced apart by a predetermined distance; the angle formed between the two support legs and the connecting beam has an overlap space for accommodating the license plate frame of the front bumper assembly; each support leg includes a support platform and an overlap platform.

[0014] In another implementation of this disclosure, a side reinforcement structure is provided between the outer sides of the two support legs and the mounting structure.

[0015] In another implementation of this disclosure, the connecting beam includes an upper beam, a lower beam, and two support beams; the first ends of the two support beams are connected to the upper beam, the second ends of the two support beams are connected to the support structure, the lower beam is connected between the two support beams and the support foot, and the lower beam is also connected to the mounting structure.

[0016] In another implementation of this disclosure, a first reinforcing rib is provided on the side of the upper beam facing the holding space; the first reinforcing rib includes a transverse reinforcing rib and a longitudinal reinforcing rib; the transverse reinforcing rib is provided along the length direction of the upper beam; the longitudinal reinforcing rib is located between the upper end face of the transverse reinforcing rib and the upper end face of the upper beam and between the lower end face of the transverse reinforcing rib and the lower end face of the upper beam.

[0017] In another implementation of this disclosure, a second reinforcing rib is provided on the side of the support beam facing the holding space, and the second reinforcing rib is provided along the width direction of the support beam.

[0018] In another implementation of this disclosure, a third reinforcing rib is provided on the side of the lower beam facing the holding space. The third reinforcing rib is semi-U-shaped, with the opening of the semi-U-shaped rib facing upward and the center of the arc located on one side of the overlapping space.

[0019] Secondly, embodiments of this disclosure provide a vehicle including an upper support device as described in the first aspect for protecting the upper legs of pedestrians.

[0020] The beneficial effects of the technical solutions provided in this disclosure include at least the following:

[0021] When the upper support device provided in this embodiment is applied to the front bumper, the mounting structure is held on the front bumper crossbeam and connected to the front bumper crossbeam. The support structure is inserted into the bottom of the license plate frame of the front bumper assembly and overlaps with the front bumper assembly, thus supporting the entire front bumper assembly and preventing the skin from sagging during later use, which would affect the aesthetics. In particular, it can provide effective support for the license plate and prevent the license plate from being dented or deformed. Connecting the connecting beam to the upper part of the front bumper assembly can effectively support the upper legs of pedestrians, change the movement pattern of the legs during a collision between pedestrians and vehicles, effectively protect the pedestrian's legs, and reduce leg injuries. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is an isometric view of the upper support device provided in the embodiments of this disclosure;

[0024] Figure 2 This is a front view of the upper support device provided in the embodiments of this disclosure;

[0025] Figure 3 This is a side view of the upper support device provided in an embodiment of this disclosure;

[0026] Figure 4 This is a schematic diagram of the installation of the upper support device and the front bumper assembly provided in the embodiments of this disclosure;

[0027] Figure 5 This is a schematic diagram of the installation of the upper support device and the front bumper beam provided in the embodiments of this disclosure;

[0028] Figure 6 This is a schematic diagram simulating the collision between the upper support device and a pedestrian's leg, provided in an embodiment of this disclosure.

[0029] The symbols in the diagram represent the following meanings:

[0030] 1. Mounting hole; 2. Longitudinal reinforcing rib; 3. Second reinforcing rib; 4. Third reinforcing rib; 5. Support foot; 6. Side reinforcing structure; 7. Mounting hole for upper mounting plate; 8. Mounting hole for front mounting plate; 9. Front bumper assembly; 10. Front bumper crossbeam; 11. Upper support device; 12. Flexible leg type Flex-PLI; 13. New leg type aPLI. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0032] The pedestrian front bumper assembly, or simply front bumper assembly, is an important passive safety device in automobiles. When a pedestrian collides with a moving vehicle, the vehicle absorbs some of the impact energy through the deformation of the front bumper assembly, thereby reducing the energy transferred to the pedestrian and minimizing the injury.

[0033] Statistics show that head injuries are the most common cause of serious injury or death in pedestrian-vehicle collisions, but the lower leg is the most vulnerable part of the body in most cases. Therefore, reducing injuries to the legs and knees of pedestrians during collisions is crucial for minimizing accident losses and the suffering of victims. Large SUVs, with their greater mass and size and the largest approach angle among passenger vehicles, have a contact area with the pedestrian's legs that only covers the knee area. The upper leg makes full contact with the front of the vehicle in the vertical direction, while the lower leg area is essentially not in contact with the vehicle body. Therefore, during a collision, as the pedestrian falls towards the vehicle, the lower leg swings backward around the knee, causing excessive knee flexion and excessive stretching of the knee ligaments, resulting in significant leg injury. To meet the overall vehicle performance requirements, this disclosure provides an upper support device that is beneficial for pedestrian upper leg protection. This device is beneficial for effectively supporting the pedestrian's upper leg and absorbing the energy of the collision when a large SUV collides with a pedestrian. At the same time, it can change the movement pattern of the leg, reduce the relative movement between the upper and lower parts of the leg, and reduce the leg injury value.

[0034] like Figures 1-5 As shown, this embodiment of the present disclosure provides an upper support device that facilitates the protection of a pedestrian's upper leg. The upper support device 11 includes a support structure, an installation structure, and a connecting beam.

[0035] The mounting structure has a clamping space for accommodating the front bumper beam 10;

[0036] The supporting structure is connected to the mounting structure; the first end of the connecting beam is connected to the supporting structure, and the second end of the connecting beam is used to connect to the upper part of the front bumper assembly 9.

[0037] The angle formed between the support structure and the connecting beam has an overlapping space for accommodating the front bumper assembly license plate frame; the holding space and the overlapping space are located on opposite sides of the connecting beam; the support structure includes a support platform and an overlapping platform; the support platform is clamped between the mounting structure and the connecting beam, and the overlapping platform is connected to the end of the support platform away from the mounting structure, and the overlapping platform is used to insert into the bottom of the front bumper assembly license plate frame.

[0038] When the front bumper assembly device 11 provided in this embodiment is applied to the front bumper assembly, such as Figure 4 , Figure 5 As shown, the mounting structure is snapped onto the front bumper crossbeam 7, and the support structure overlaps with the license plate frame of the front bumper assembly 9, which serves to support the entire front bumper assembly 9 and prevent the skin from sagging and affecting the aesthetics during later use. In particular, it can provide effective support for the license plate and prevent the license plate from being dented or deformed. The connecting beam is connected to the upper part of the front bumper assembly 9, which can effectively support the upper legs of pedestrians, change the movement pattern of the legs during the collision between pedestrians and vehicles, effectively protect the legs of pedestrians, and reduce leg injuries.

[0039] Furthermore, the support structure overlaps and supports the license plate frame, and the connecting beam is connected to the upper part of the front bumper assembly 9. Therefore, this upper support device does not affect the opening of the grille structure and will not affect the cooling effect of the radiator.

[0040] In addition, since the mounting structure has a clamping space for accommodating the front bumper crossbeam, and the angle formed between the support structure and the connecting beam has an overlapping space for accommodating the license plate frame, and the overlapping space and the clamping space are located on opposite sides of the connecting beam, the upper support device can be accommodated between the front bumper crossbeam 10 and the front bumper assembly 9 by utilizing the clamping space and the overlapping space, without changing the original arrangement of the front end of the vehicle, that is, without affecting the energy absorption space between the front bumper crossbeam 10 and the front bumper assembly 9.

[0041] To more clearly illustrate the upper support device provided in this disclosure, the following description is in conjunction with... Figures 1-3 The structure of the installation structure, the support structure, and the connecting beam will be described in turn.

[0042] In order to effectively prevent the upper support device from overturning during a collision, the mounting structure of this embodiment adopts an L-shaped structure. The two sides of the L-shaped structure are respectively on the upper end face and the front end face of the front bumper beam. The mounting structure of the L-shaped structure includes an upper mounting plate and a front mounting plate connected to each other. The angle formed between the upper mounting plate and the front mounting plate has a holding space for accommodating the front bumper beam. The support structure is connected to the upper mounting plate. The upper mounting plate is used to connect with the upper end face of the front bumper beam, and the front mounting plate is used to connect with the front end face of the front bumper beam.

[0043] In this embodiment, when the upper support device is connected to the front bumper beam 10, the front bumper beam is first placed in the holding space. Then, the upper mounting plate is connected to the upper end face of the front bumper beam with bolts, and the front mounting plate is connected to the front end face of the front bumper beam. By fixing the upper support mechanism in two directions, namely the upper end face and the front end face, the upper support device can be effectively prevented from flipping during leg collisions, thus providing better support for the pedestrian's legs.

[0044] To connect the mounting structure to the front bumper crossbeam 10 using bolts, mounting holes are provided at both ends of the upper mounting plate and the front mounting plate; both the upper mounting plate and the front mounting plate are connected to the front bumper crossbeam through these mounting holes; as shown Figure 1 As shown, mounting holes 7 are provided at both ends of the upper mounting plate, as follows: Figure 2 As shown, mounting holes 8 are provided at both ends of the front mounting plate.

[0045] To ensure the stability of the connection between the mounting structure and the front bumper beam 10, annular reinforcing ribs are provided at each mounting hole of the upper mounting plate and the front mounting plate to reinforce the mounting holes.

[0046] like Figure 1 , Figure 2 As shown, the support structure includes two support legs 5; both support legs 5 are connected to the mounting structure, and the two support legs are spaced apart by a set distance; the angle formed between the two support legs and the connecting beam has an overlapping space for accommodating the license plate frame of the front bumper assembly; each support leg includes a support platform and an overlapping platform.

[0047] In this embodiment, the two support legs have the same structure, each including a support platform and an overlapping platform. The support platform is clamped between the mounting structure and the connecting beam. One end of the support platform is flush with the first end of the upper mounting plate, and the other end of the support platform extends away from the mounting structure. The first end and the second end of the upper mounting plate are opposite ends, and the second end of the upper mounting plate is connected to the front mounting plate. The overlapping platform is connected to the end of the support platform away from the mounting structure. The overlapping platform is used to be inserted into the bottom of the front bumper assembly license plate frame and overlaps with the front bumper assembly license plate frame.

[0048] Two support feet are located at both ends of the license plate frame, providing even support to both ends of the license plate frame.

[0049] In this embodiment, a side reinforcement structure 6 is provided between the outer sides of the two support legs and the mounting structure. The sides of the two support legs that are close to each other are the inner sides of the support legs; the sides of the two support legs that are far apart are the outer sides of the support legs.

[0050] For example, the side reinforcement structure 6 includes an upper reinforcement rib and a side reinforcement rib. The first end of the upper reinforcement rib is connected to the outer side of the support foot, the second end of the upper reinforcement rib is connected to the first end of the side reinforcement rib, and the second end of the side reinforcement rib is connected to the upper mounting plate. The upper reinforcement rib and the side reinforcement rib are perpendicular to each other. By setting the side reinforcement structure 6, the support strength of the support structure is further improved.

[0051] like Figures 1-3 As shown, the connecting beam includes an upper beam, a lower beam, and two support beams; the first ends of the two support beams are connected to the upper beam, the second ends of the two support beams are connected to the support structure, the lower beam is connected between the two support beams and the support feet, and the lower beam is also connected to the mounting structure, while the upper beam is used to connect to the upper part of the front bumper assembly.

[0052] Mounting holes 1 are provided on the upper beam. When the front bumper support device is connected to the front bumper assembly 9, bolts are used to connect the upper beam to the front bumper assembly 9 through the mounting holes 1.

[0053] For example, the second ends of the two support beams are connected to the two support feet respectively, and the lower beam is connected to the upper mounting plate.

[0054] The support beams are set perpendicular to the support feet.

[0055] To improve overall strength and rigidity, this embodiment also includes corresponding reinforcing structures on the upper beam, lower beam, and two supporting beams. Specifically, a first reinforcing rib is provided on the side of the upper beam facing the holding space; the first reinforcing rib includes a transverse reinforcing rib 3 and a longitudinal reinforcing rib 2; the transverse reinforcing rib 3 is arranged along the length of the upper beam; the longitudinal reinforcing rib 2 is located between the upper end face of the transverse reinforcing rib and the upper end face of the upper beam, and between the lower end face of the transverse reinforcing rib and the lower end face of the upper beam.

[0056] For example, there are multiple longitudinal stiffeners 2, which are evenly distributed along the length of the upper beam.

[0057] A second reinforcing rib 3 is provided on the side of the support beam facing the clamping space. The second reinforcing rib 3 is provided along the width direction of the support beam to balance the overall rigidity of the entire front support device 11.

[0058] For example, there are multiple second reinforcing ribs 3, which are evenly distributed along the length of the support beam.

[0059] In another implementation of this disclosure, a third reinforcing rib 4 is provided on the side of the lower beam facing the holding space. The third reinforcing rib is semi-U-shaped, with the opening of the semi-U-shaped rib facing upward and the center of the arc located on one side of the overlapping space.

[0060] For example, there are multiple third reinforcing ribs 4, which are evenly distributed along the length of the lower beam. By setting the semi-U-shaped third reinforcing ribs 4, the bending strength of the front bumper support device in this embodiment can be improved. When a pedestrian collides with the front bumper assembly, the front bumper support device is less likely to overturn or break, thereby providing better support for the upper part of the pedestrian's legs.

[0061] The front bumper support device in this embodiment is made of composite material and has an overall frame structure. The frame structure is approximately 200mm long and 200mm high. The size or number of the frame structure can be customized according to the vehicle's styling requirements. The frame structure is matched to the overall rigidity of the front bumper assembly. The main body material thickness is typically set to 2.5mm, and the reinforcing ribs are typically 1.0mm thick. Structural ribs can be added or weakening holes can be opened as needed to determine the required rigidity.

[0062] This disclosure provides a front bumper support device and vehicle that facilitates upper leg protection for pedestrians. It is flexible and adaptable to various needs, and its installation is simple and convenient. The front bumper support device 11 is installed inside the front bumper assembly, on the front bumper crossbeam body. Its installation position is as follows: Figure 4 , Figure 5 As shown, the front bumper support device 11 mainly includes an upper beam connected to the upper end of the front bumper assembly, various reinforcing structures, two support legs 5 that support the front bumper assembly, and an installation structure connected to the front bumper crossbeam. In this embodiment, the installation structure is connected to the upper end face and the front end face of the front bumper crossbeam using bolts. After installation, the support structure 5 overlaps with the license plate frame of the front bumper assembly in a Z-direction. Simultaneously, the upper beam is bolted to the upper end of the front bumper assembly, allowing the front bumper support device 11 to better integrate with the entire front bumper assembly. The various reinforcing structures in this embodiment are effectively matched according to the overall rigidity. Longitudinal reinforcing ribs 2 are evenly distributed in the middle of the upper beam, and transverse reinforcing ribs are arranged on the upper beam and support beam to balance the overall rigidity of the entire structure. Holes are opened in the middle area of ​​the connecting beam to weaken and reduce weight. In this embodiment, annular reinforcing ribs are used to strengthen the connection between the installation structure and the front bumper crossbeam.

[0063] The role of the embodiments disclosed herein in the collision process is as follows: Figure 6 As shown, this applies to different leg types in different markets. Figure 6 (1) is a schematic diagram of the leg impact of the Flex-PLI 12 flexible leg type according to the ECE R127 regulation. Figure 6(2) is a schematic diagram of the leg collision of the new leg type aPLI 13. In this embodiment, the front bumper beam is fixed to the upper end face and front end face of the front bumper beam by four mounting bolts at two positions: mounting hole 7 on the upper mounting plate and mounting hole 8 on the front mounting plate. At the same time, the connecting beam is connected to the front bumper assembly by two bolts through mounting hole 1. After being fixed in these positions, its support structure overlaps with the license plate frame of the front bumper assembly in the Z direction. This fixing method and the overlapping structure with the front bumper allow this embodiment to be better integrated with the entire front bumper assembly, especially to provide effective support for the license plate and prevent the license plate from being dented and deformed. When a pedestrian collides with a large SUV, due to the height of the large SUV and the large approach angle, the license plate frame protrudes and the skin is compressed and hits the upper support device 11. At this time, the special installation and connection structure of this embodiment provides better support for the upper part of the pedestrian, thereby reducing the relative bending degree of the upper and lower parts of the pedestrian's leg, thus effectively controlling the elongation of the cruciate ligament of the lower leg, protecting the knee ligament, and achieving the purpose of protecting the pedestrian's leg.

[0064] This disclosure also provides a vehicle including an upper support device as described above that facilitates the protection of a pedestrian's upper leg.

[0065] For details not disclosed in the vehicle embodiments of this disclosure, please refer to the embodiment of a front support device for pedestrian upper leg protection.

[0066] The vehicle of this disclosure embodiment can reduce or minimize injury to the pedestrian's leg or knee if the pedestrian's leg or knee hits the front license plate area of ​​the vehicle in the event of an accident.

[0067] In this invention, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "a plurality" refers to two or more unless otherwise expressly defined.

[0068] The above description is merely for the purpose of enabling those skilled in the art to understand the technical solutions of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An upper support device for protecting the upper legs of pedestrians, characterized in that, The upper support device includes a support structure, an installation structure, and a connecting beam; The mounting structure has a clamping space for accommodating the front bumper beam; The supporting structure is connected to the mounting structure; the first end of the connecting beam is connected to the supporting structure, and the second end of the connecting beam is used to connect to the upper part of the front bumper assembly. The mounting structure includes an upper mounting plate and a front mounting plate connected together. The angle formed between the upper mounting plate and the front mounting plate has a holding space for accommodating the front bumper beam. The support structure is connected to the upper mounting plate, which is used to connect to the upper end face of the front bumper beam, and the front mounting plate is used to connect to the front end face of the front bumper beam. The support structure includes two support legs; both support legs are connected to the mounting structure and are spaced apart by a set distance; the angle formed between the two support legs and the connecting beam has an overlap space for accommodating the license plate frame of the front bumper assembly; each support leg includes a support platform and an overlap platform. The connecting beam includes an upper beam, a lower beam, and two support beams; the first ends of the two support beams are connected to the upper beam, the second ends of the two support beams are connected to the support structure, the lower beam is connected between the two support beams and the support feet, and the lower beam is also connected to the mounting structure. The angle formed between the supporting structure and the connecting beam has an overlap space for accommodating the license plate frame of the front bumper assembly; The clamping space and the overlapping space are located on opposite sides of the connecting beam, respectively; the support structure includes a support platform and an overlapping platform; the support platform is clamped between the mounting structure and the connecting beam, and the overlapping platform is connected to the end of the support platform away from the mounting structure. The overlapping platform is used to be inserted into the bottom of the license plate frame of the front bumper assembly.

2. The upper support device for protecting the upper legs of pedestrians as described in claim 1, characterized in that, Mounting holes are provided at both ends of the upper mounting plate and the front mounting plate; both the upper mounting plate and the front mounting plate are connected to the front bumper beam through the mounting holes. A ring-shaped reinforcing rib is provided at each mounting hole of the upper mounting plate and the front mounting plate.

3. The upper support device for protecting the upper legs of pedestrians as described in claim 1, characterized in that, A side reinforcement structure is provided between the outer side of the two support legs and the mounting structure.

4. The upper support device for protecting the upper legs of pedestrians as described in claim 1, characterized in that, A first reinforcing rib is provided on the side of the upper beam facing the holding space; the first reinforcing rib includes a transverse reinforcing rib and a longitudinal reinforcing rib; the transverse reinforcing rib is provided along the length direction of the upper beam; the longitudinal reinforcing rib is located between the upper end face of the transverse reinforcing rib and the upper end face of the upper beam and between the lower end face of the transverse reinforcing rib and the lower end face of the upper beam.

5. The upper support device for protecting the upper legs of pedestrians as described in claim 1, characterized in that, A second reinforcing rib is provided on the side of the support beam facing the clamping space, and the second reinforcing rib is provided along the width direction of the support beam.

6. The upper support device for protecting the upper legs of pedestrians as described in claim 1, characterized in that, A third reinforcing rib is installed on the side of the lower beam facing the clamping space. The third reinforcing rib is semi-U-shaped, with the opening of the semi-U-shaped rib facing upwards and the center of the arc located on one side of the overlapping space.

7. A vehicle, characterized in that, Including the upper support device for protecting the upper legs of pedestrians as described in any one of claims 1-6.

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