Vehicle front collision energy transfer system and vehicle

Abstract

Disclosed are a vehicle front collision energy transfer system and a vehicle, relating to but being not limited to the technical field of automotive body structures. The vehicle front collision energy transfer system comprises a front anti-collision beam assembly, a front longitudinal beam assembly, a reinforcing member and a connecting member, wherein the front anti-collision beam assembly comprises an energy absorption box and a cross beam, a first end of the energy absorption box is connected to the cross beam, and a second end of the energy absorption box is inserted into the front longitudinal beam assembly; the reinforcing member is provided in the front longitudinal beam assembly, and the front longitudinal beam assembly and the energy absorption box are connected by means of the connecting member; and the energy absorption box moves into the front longitudinal beam assembly along with the cross beam, so that the front longitudinal beam assembly and the second end of the energy absorption box abut against the reinforcing member. According to the present application, the second end of the energy absorption box is inserted into the front longitudinal beam assembly, and the reinforcing member is provided in the front longitudinal beam assembly. By means of the described configuration, the energy absorption box and the front longitudinal beam assembly form a surface contact structure along the moving direction of the cross beam, and the longitudinally structural stability between the energy absorption box and the front longitudinal beam assembly, and the energy absorption effect are further improved.

Description

Vehicle front collision energy transmission system and vehicle

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on December 13, 2023, with application number 202311712730.X and application name “Vehicle Front Collision Energy Transfer System and Vehicle”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to, but is not limited to, the technical field of automobile body structures, and in particular to a vehicle front collision energy transfer system and a vehicle. Background Art

[0003] Currently, a vehicle's front-end protection system typically consists of a bumper fascia, energy absorption box, front anti-collision beam, and calf protection beam. As a crucial component of the vehicle's front-end protection system and body structure, the front anti-collision beam assembly not only plays a decisive role in ensuring continued safe driving in low-speed collisions, but also plays a crucial role in energy absorption and force transmission in high-speed collisions.

[0004] In one technology, two end plates are installed at the connection structure between the front anti-collision beam assembly and the front longitudinal beam assembly of the vehicle body. The two end plates are connected by bolts to achieve a fixed connection between the front anti-collision beam assembly and the front longitudinal beam assembly of the vehicle body. The contact between the end plates and the upper longitudinal beam structure of the two assemblies is linear contact, that is, there is linear contact between the crash box and the end plates.

[0005] Therefore, the line contact structure makes it possible for the energy absorption box to bend radially in the line contact area, resulting in unstable axial crushing at this location, which is not conducive to the energy absorption box absorbing collision energy in the axial direction.

[0006] Summary of the Invention

[0007] The present application provides a vehicle front collision energy transfer system and a vehicle, which can improve the stability of the axial crushing of the energy absorption box and improve the absorption effect of absorbing collision energy along the axial direction.

[0008] On the one hand, the present application provides a vehicle front collision energy transfer system, including a front anti-collision beam assembly, a front longitudinal beam assembly, a reinforcement and a connecting piece. The front anti-collision beam assembly includes an energy absorption box and a cross beam. The first end of the energy absorption box is connected to the cross beam, and the second end of the energy absorption box is inserted into the front longitudinal beam assembly; the reinforcement is arranged in the front longitudinal beam assembly, and the front longitudinal beam assembly and the energy absorption box are connected by a connecting piece; the energy absorption box follows the cross beam and moves toward the front longitudinal beam assembly so that the second end of the energy absorption box abuts against the reinforcement.

[0009] In an optional implementation, the present application provides a vehicle front collision energy transfer system, wherein the reinforcement includes an abutment portion and at least one connecting portion, the connecting portion is arranged on one side of the abutment portion, the connecting portion is inserted into the second end of the energy absorption box, and the front longitudinal beam assembly, the connecting portion and the energy absorption box are connected by a connecting member; the second end of the energy absorption box abuts against the abutment portion.

[0010] In an optional implementation, the present application provides a vehicle front collision energy transfer system, which has at least one first mounting hole on the connecting part and at least one second mounting hole on the energy absorption box, one of the first mounting hole and the second mounting hole is a first elongated hole, and the other is a first through hole; the extension direction of the first elongated hole is consistent with the movement direction of the crossbeam; the connecting member is inserted into the connecting part and the energy absorption box through the first elongated hole and the first through hole.

[0011] In an optional implementation, the present application provides a vehicle front collision energy transfer system, wherein the number of connecting parts is at least two, and the same connecting part has at least two first mounting holes.

[0012] In an optional implementation, the present application provides a vehicle front collision energy transfer system, wherein a front longitudinal beam assembly includes a longitudinal beam inner plate and a longitudinal beam outer plate, the longitudinal beam inner plate and the longitudinal beam outer plate are assembled together to form a accommodating cavity, and the second end of the energy absorption box and the reinforcement are located in the accommodating cavity; the connecting member passes through the longitudinal beam inner plate, the energy absorption box, the connecting portion and the longitudinal beam outer plate, and some of the connecting members are located on the outside of the longitudinal beam outer plate.

[0013] In an optional implementation, the present application provides a vehicle front collision energy transfer system, wherein the connecting portion is connected to the abutting portion.

[0014] In an optional implementation, the present application provides a vehicle front collision energy transfer system, in which the abutment portion is arranged in the front longitudinal beam assembly, and the connecting portion is connected to the front longitudinal beam assembly through a connecting member; one of the front longitudinal beam assembly and the energy absorption box has at least one second elongated hole, and the other has at least one second through hole, and the extension direction of the second elongated hole is consistent with the movement direction of the crossbeam.

[0015] In an optional implementation, the present application provides a vehicle front collision energy transfer system, wherein the energy absorption box includes an outer shell and at least two ribs, the ribs are arranged in the outer shell, and the ribs are connected to the inner side walls of the outer shell; the reinforcement abuts against the ribs.

[0016] In an optional implementation, the present application provides a vehicle front collision energy transfer system, wherein the front anti-collision beam assembly further includes a connecting bracket, and the first end of the energy absorption box and the crossbeam are connected by the connecting bracket.

[0017] On the other hand, the present application provides a vehicle, including a vehicle body and a vehicle front collision energy transfer system connected to the vehicle body, and the vehicle front collision energy transfer system is a vehicle front collision energy transfer system as described in any of the above items.

[0018] The present application provides a vehicle front collision energy transfer system and vehicle, wherein the second end of the energy absorption box is inserted into the front longitudinal beam assembly, and a reinforcement is provided in the front longitudinal beam assembly. The front longitudinal beam assembly and the energy absorption box are fixedly connected by a connector, and the two are formed into a surface contact structure along the direction of movement of the crossbeam, thereby avoiding an unstable line contact structure between the energy absorption box and the front longitudinal beam assembly, improving the stability of the longitudinal structure of the energy absorption box and the front longitudinal beam assembly, allowing the energy absorption box to fully collapse and absorb energy in the direction of movement of the crossbeam, preventing bending at the connection between the second end of the energy absorption box and the front longitudinal beam assembly, improving the stability of the axial crushing structure at the connection between the front longitudinal beam assembly and the front anti-collision beam assembly, and further fixing the relative position between the energy absorption box and the front longitudinal beam assembly by the reinforcement, thereby improving the structural strength and energy absorption effect at this location.

[0019] Other aspects will become apparent after reading and understanding the accompanying drawings and detailed description. In addition to the technical problems solved by the embodiments of the present application, the technical features that constitute the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, the vehicle front collision energy transfer system and the vehicle provided by the embodiments of the present application can solve other technical problems, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features, which will be further described in detail in the specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] FIG1 is a schematic structural diagram of a vehicle front collision energy transfer system provided in an embodiment of the present application;

[0022] FIG2 is a cross-sectional view of the AA section in FIG1 ;

[0023] FIG3 is a cross-sectional view 1 of the BB section in FIG1 ;

[0024] FIG4 is a cross-sectional view taken along line CC in FIG2 ;

[0025] FIG5 is a schematic diagram of a collision state of a vehicle front collision energy transfer system provided by an embodiment of the present application;

[0026] FIG6 is a partial enlarged schematic diagram of point D in FIG5;

[0027] FIG7 is a second cross-sectional view of the AA section in FIG1;

[0028] FIG8 is a second cross-sectional view of the BB section in FIG1 .

[0029] Explanation of the accompanying drawings: 100 - front anti-collision beam assembly; 110 - cross beam; 111 - connecting bracket; 120 - energy absorption box; 121 - rib plate; 130 - reinforcement; 131 - first abutting portion; 132 - connecting portion; 1321 - first mounting hole; 133 - second abutting portion; 200 - front longitudinal beam assembly; 210 - longitudinal beam inner plate; 220 - longitudinal beam outer plate; 300 - connecting piece; 400 - collision body. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiment is a one-cavity embodiment of the present invention, not an embodiment of the entire cavity. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection of the present invention. All other embodiments obtained are within the scope of protection of the present invention. The following embodiments and features in the embodiments may be combined with each other unless there is a conflict.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0032] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," "fixed," and the like should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integration; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to the communication between the internal cavities of two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0033] It should be noted that, in the description of this invention, the terms "first," "second," and "third" are used solely to facilitate the description of different cavity components and should not be construed as indicating or implying a sequential relationship, relative importance, or implicitly specifying the number of technical features being referred to. Therefore, features defined as "first," "second," or "third" may explicitly or implicitly include at least one such feature.

[0034] In one technology, the vehicle's front-end protection system includes multiple structures, including the bumper skin, energy absorption box, front anti-collision beam, and calf protection beam. The front anti-collision beam assembly is composed of the front anti-collision beam (i.e., crossbeam) and energy absorption box. The energy absorption box is perpendicular to the crossbeam and is arranged in the direction of movement of the crossbeam in the event of a front-end collision.

[0035] Therefore, the front anti-collision beam assembly plays a decisive role in the vehicle's ability to continue driving safely in low-speed collisions, and also plays an important role in energy absorption and force transmission in high-speed collisions. Therefore, the front anti-collision beam assembly is not only an important part of the vehicle's front-end protection system, but also an important part of the vehicle body structure.

[0036] Currently, when the energy absorption box of the front anti-collision beam assembly is connected to the front longitudinal beam assembly of the vehicle body, two end plates are usually provided at the connection structure, and the two end plates are connected by bolts to achieve the aforementioned fixed connection. However, because the contact between the end plates and the energy absorption box or the front longitudinal beam assembly is linear, the contact area between the end plates and the energy absorption box may bend in all four directions: up, down, left, and right. This makes the axial crushing at this location unstable, making it difficult to use the energy absorption box to effectively absorb the collision energy in the axial direction. In fact, during the absorption process, the energy absorbed by the front anti-collision beam assembly may suddenly decrease due to sudden bending or breaking of the contact area.

[0037] The present application provides a vehicle front collision energy transfer system and a vehicle, which improves the stability of the axial crushing of the energy absorption box and further improves the energy absorption effect by inserting the front anti-collision beam assembly and the front longitudinal beam assembly and arranging reinforcement members at the connection.

[0038] The contents of this application will be described in detail below with reference to the accompanying drawings so that those skilled in the art can understand the contents of this application more clearly and in detail.

[0039] The embodiment of the present application first discloses a vehicle front collision energy transfer system. The structure of the vehicle front collision energy transfer system of the present application is described in detail below with reference to FIG. 1 to FIG. 8 :

[0040] As shown in Figure 1, it should be noted that Figure 1 shows the partial structure of the front longitudinal beam assembly 200 and the cross beam 110. The vehicle front collision energy transfer system of the present application includes a front anti-collision beam assembly 100 and a front longitudinal beam assembly 200. The front longitudinal beam assembly 200 is connected to the front anti-collision beam assembly 100 via a connector 300, which can be a bolt. For example, the connector 300 can be a hexagonal bolt, which is locked with a nut at one end.

[0041] As shown in FIG2 , the vehicle front collision energy transfer system also includes a reinforcement 130, which is disposed within the front longitudinal beam assembly 200. The front anti-collision beam assembly 100 primarily includes an energy absorption box 120 and a cross beam 110. The end of the energy absorption box 120 adjacent to the cross beam 110 is a first end, which is fixedly connected to the cross beam 110. The end of the energy absorption box 120 adjacent to the front longitudinal beam assembly 200 is a second end, which is inserted into the receiving cavity of the front longitudinal beam assembly 200 via an insert-type connection.

[0042] As shown in Figures 2 and 3, the front longitudinal beam assembly 200 and the crash box 120 are connected by a connector 300. Specifically, the front longitudinal beam assembly 200 and the front anti-collision beam assembly 100 are connected by the connector 300. Furthermore, the crash box 120 can follow the crossbeam 110 and move toward the front longitudinal beam assembly 200, extending further into the accommodating cavity of the front longitudinal beam assembly 200. This fixes the relative position between the front longitudinal beam assembly 200 and the reinforcement 130, and places the second end of the crash box 120 in contact with the reinforcement 130.

[0043] Therefore, the vehicle front collision energy transfer system provided in the present application inserts the second end of the energy absorption box 120 into the accommodating cavity of the front longitudinal beam assembly 200, and sets a reinforcement 130 in the front longitudinal beam assembly 200, so that the energy absorption box 120 can move toward the front longitudinal beam assembly 200, and abut and limit the reinforcement 130.

[0044] In this way, on the one hand, the front longitudinal beam assembly 200 and the energy absorption box 120 are fixedly connected through the connecting piece 300, and the two form a surface contact structure along the moving direction of the cross beam 110, thereby improving the stability of the longitudinal structure of the energy absorption box 120 and the front longitudinal beam assembly 200, reducing the possibility of the energy absorption box 120 bending or even breaking during the energy absorption process, and allowing the energy absorption box 120 to fully collapse and absorb energy in the moving direction of the cross beam 110.

[0045] On the other hand, by providing the reinforcement 130, when the crash box 120 absorbs energy, the second end of the crash box 120 abuts against the reinforcement 130, thereby fixing the relative position between the crash box 120 and the front longitudinal beam assembly 200, making energy transfer smoother and preventing a sudden decrease in the relative position between the two, which would cause a sudden drop in energy absorbed by the longitudinal structure. Ultimately, the structural strength and energy absorption effect of this area are improved.

[0046] As shown in FIG. 2 , in some embodiments, the reinforcement member 130 is composed of a first abutting portion 131 and at least one connecting portion 132 . The connecting portion 132 is disposed on one side of the first abutting portion 131 and is perpendicular to the first abutting portion 131 .

[0047] In the specific assembly, the connecting portion 132 is inserted into the second end of the energy absorption box 120, and as shown in Figure 3, the front longitudinal beam assembly 200, the connecting portion 132 and the energy absorption box 120 are all connected by the same set of connecting parts 300, and after the energy absorption box 120 moves, the second end of the energy absorption box 120 specifically abuts against the first abutting portion 131 of the reinforcement 130.

[0048] Optionally, as shown in Figures 2 and 3 , at least one first mounting hole 1321 is defined on the connection portion 132 of the reinforcement 130, at least one second mounting hole is defined at a corresponding position on the crash box 120, and at least one third mounting hole is defined at a corresponding position on the front longitudinal beam assembly 200. The first mounting hole 1321, the second mounting hole, and the third mounting hole are disposed in correspondence with each other. In other words, one first mounting hole 1321 corresponds to one second mounting hole and one third mounting hole.

[0049] One of the first mounting hole 1321 and the second mounting hole is a first elongated hole, and the other is a first through hole. Optionally, the first mounting hole 1321 is configured as a first elongated hole, while the second mounting hole is configured as a first through hole. The first elongated hole extends in the same direction as the movement of the crossbeam 110, facilitating movement of the crash box 120 relative to the connector 300.

[0050] As shown in Figure 4, the connecting member 300 is inserted into the connecting portion 132 of the reinforcement 130 and the energy absorption box 120 through the first long hole and the first through hole, and is further inserted into the front longitudinal beam assembly 200 to achieve the fixing of the connecting member 300 to the reinforcement 130, the energy absorption box 120 and the front longitudinal beam assembly 200.

[0051] In some embodiments, the first mounting hole 1321 can be configured as a first through hole, and the second mounting hole can be configured as a first elongated hole, without affecting the relative displacement relationship between the reinforcement 130 and the crash box 120. Furthermore, the third mounting hole on the front longitudinal beam assembly 200 can be configured as a through hole similar to the first through hole, or as an elongated hole similar to the first elongated hole, depending on specific needs.

[0052] In a specific implementation, the reinforcement 130 has at least two connecting portions 132, which can be two in this embodiment. The two connecting portions 132 can be located at opposite ends of the same side of the first abutting portion 131 of the reinforcement 130. The same connecting portion 132 also has at least two first mounting holes 1321, which can be two in this embodiment. This can make the connection between the front longitudinal beam assembly 200 and the front anti-collision beam assembly 100 more stable and reliable.

[0053] In some embodiments, there are three connecting portions 132, which can be sequentially arranged on the same side of the first abutting portion 131. The specific number of connecting portions 132 can be selected according to the working conditions of the vehicle and is not limited in this embodiment.

[0054] When there are four or more first mounting holes 1321, the first mounting holes 1321 can be arranged side by side to shorten the length of the connecting portion 132, making the structure of the connecting portion 132 more compact. Accordingly, it is necessary to provide second mounting holes on the crash box 120 that match the number and location of the first mounting holes 1321, and to provide third mounting holes on the front longitudinal beam assembly 200 that match the number and location of the first mounting holes 1321.

[0055] Optionally, the front longitudinal beam assembly 200 is a structure formed by splicing two plates, including a longitudinal beam inner plate 210 and a longitudinal beam outer plate 220. A receiving cavity is formed by the splicing of the longitudinal beam inner plate 210 and the longitudinal beam outer plate 220, and the receiving cavity is used to accommodate the second end of the energy absorption box 120 and the reinforcement 130. Therefore, as shown in Figure 4, the connector 300 actually passes through the longitudinal beam inner plate 210, one of the side walls of the energy absorption box 120, the connecting portion 132 of the reinforcement 130, the other side wall of the energy absorption box 120 and the longitudinal beam outer plate 220 in sequence. After the connector 300 is fully inserted, the connector 300 partially extends out of the outside of the longitudinal beam outer plate 220 for screwing a nut on the protruding portion to complete the fastening of the entire structure. In some embodiments, the insertion direction of the connector 300 can also be reversed, with the connector 300 being inserted from the longitudinal beam outer plate 220 and removed from the longitudinal beam inner plate 210.

[0056] Optionally, as shown in FIG. 2 , FIG. 3 and FIG. 4 , the connecting portion 132 of the reinforcement member 130 is directly connected to the first abutting portion 131 , which can be achieved by welding, fasteners or integral molding.

[0057] Alternatively, as shown in Figures 7 and 8, the connecting portion 132 and the second abutting portion 133 of the reinforcement 130 may be disconnected from each other, and the second abutting portion 133 may be composed of a bumper. The second abutting portion 133 is fixedly mounted within the accommodating cavity of the front longitudinal beam assembly 200 and can similarly abut against the crash box 120 when the crash box 120 moves. The connecting portion 132 is still connected to the front longitudinal beam assembly 200 via the connector 300. Accordingly, one of the front longitudinal beam assembly 200 and the crash box 120 has at least one second elongated hole, and the other has at least one second through hole, and the extending direction of the second elongated hole is also consistent with the movement direction of the crossbeam 110.

[0058] In some embodiments, the third mounting hole of the front longitudinal beam assembly 200 can be configured as a second elongated hole, and the second mounting hole of the crash box 120 can be configured as a second through hole, or the second elongated hole and the second through hole can be replaced. Furthermore, the first mounting hole 1321 of the connector 300 can also be configured as a through hole similar to the second through hole.

[0059] Optionally, the energy absorption box 120 includes an outer shell and at least two ribs 121, which may be two ribs 121. The outer shell constitutes the main body of the energy absorption box 120, and the second mounting holes are both provided on opposite side walls of the outer shell. The extension length of the two ribs 121 is consistent with the extension length of the outer shell. The two ribs 121 connect to the opposite inner walls of the outer shell, and these inner walls are the side walls with the second mounting holes. At the same time, the two ribs 121 abut against the first abutting portion 131 or the second abutting portion 133 of the reinforcement 130.

[0060] The inner panels of the two side walls are evenly spaced within the outer shell, ensuring consistent spacing between the ribs 121 and between the ribs 121 and the side wall without the second mounting hole. This spacing is no greater than the spacing between the two connecting portions 132 of the reinforcement 130. This allows the connecting portions 132 to extend between the ribs 121 and the side wall without the second mounting hole, while also ensuring that the two ribs 121 can effectively abut against the first abutting portion 131 or the second abutting portion 133 of the reinforcement 130.

[0061] In some embodiments, the number of ribs 121 may be increased according to specific usage requirements. For example, one or two more ribs 121 may be added between the two existing ribs 121 to improve the abutment effect between the ribs 121 and the first abutment portion 131 or the second abutment portion 133 .

[0062] Optionally, the front anti-collision beam assembly 100 further includes a connecting bracket 111, through which the first end of the crash box 120 and the cross beam 110 can be stably and reliably connected. Specifically, the first end of the crash box 120 can be connected to the connecting bracket 111 by rivets, bolts, or welding, and the connecting bracket 111 can be connected to the cross beam 110.

[0063] The specific energy transfer process of the vehicle front collision energy transfer system will be described below with reference to FIG5 and FIG6:

[0064] As shown in Figure 5, when the crossbeam 110 that runs through the entire vehicle in the transverse direction is impacted by an external collision body 400, the arrow indicates the collision direction, and the crossbeam 110 will move in this direction and absorb part of the collision energy, while transferring the collision energy to the energy absorption box 120 through the connecting bracket 111.

[0065] As shown in FIG6 , after receiving the collision energy, the energy absorption box 120 will move backward together with the cross beam 110 , thereby pushing the reinforcement 130 backward together. When the two move to the extreme position of the first elongated hole or the second elongated hole, they will further contact and press against the connecting member 300 .

[0066] After the connector 300 presses the crash box 120 and the reinforcement 130 together, it not only prevents them from moving further backward, but also forces the crash box 120 and the first abutting portion 131 of the reinforcement 130 to abut and lock against each other. Ultimately, the cross member 110, crash box 120, connector 300, reinforcement 130, and front longitudinal member assembly 200 form a solid integrated structure, thereby more stably absorbing the collision energy of the collision body 400.

[0067] During the aforementioned collision, the plug-in installation of the front anti-collision beam assembly 100 and the front longitudinal beam assembly 200 enhances the longitudinal structural stability of the entire vehicle body structure, allowing the crash box 120 to fully collapse and absorb the collision energy in the longitudinal direction. Furthermore, the self-locking structure between the crash box 120 and the reinforcement 130 effectively limits the relative position of the crash box 120 and the front longitudinal beam assembly 200, forming a solid whole. This ensures smoother energy transfer and prevents a sudden drop in energy absorbed by the longitudinal structure.

[0068] An embodiment of the present application further discloses a vehicle, comprising a vehicle body and a vehicle front collision energy transfer system connected to the vehicle body and a frame provided by any of the above embodiments.

[0069] Among them, the structure and working principle of the vehicle front collision energy transfer system of the frame are described in detail in the above embodiments and will not be repeated here.

[0070] It is understandable that the frame body also includes structures such as suspension devices, front axles, and rear axles, so as to support the vehicle's front collision energy transmission system and other longitudinal beams and cross beam structures on the wheels.

[0071] The vehicle provided in the embodiment of the present application is provided with a front collision energy transfer system, which includes a front anti-collision beam assembly 100, a front longitudinal beam assembly 200, a reinforcement 130 and a connecting piece 300. The front anti-collision beam assembly 100 includes an energy absorption box 120 and a crossbeam 110. The first end of the energy absorption box 120 is connected to the crossbeam 110, and the second end of the energy absorption box 120 is inserted into the front longitudinal beam assembly 200; the reinforcement 130 is arranged in the front longitudinal beam assembly 200, and the front longitudinal beam assembly 200 and the energy absorption box 120 are connected by the connecting piece 300; the energy absorption box 120 follows the crossbeam 110 and moves toward the front longitudinal beam assembly 200 so that the second end of the energy absorption box 120 abuts against the reinforcement 130.

[0072] The above arrangement allows, on the one hand, the front longitudinal beam assembly 200 and the energy absorbing box 120 to be fixedly plugged in by the connecting piece 300, and the two to form a surface contact structure along the moving direction of the cross beam 110, thereby avoiding the occurrence of an unstable line contact structure between the energy absorbing box 120 and the front longitudinal beam assembly 200, thereby improving the stability of the longitudinal structure of the energy absorbing box 120 and the front longitudinal beam assembly 200, and allowing the energy absorbing box 120 to fully collapse and absorb energy in the moving direction of the cross beam 110, thereby preventing bending at the connection between the second end of the energy absorbing box 120 and the front longitudinal beam assembly 200; on the other hand, by providing the reinforcement 130, when the energy absorbing box 120 absorbs energy, the second end of the energy absorbing box 120 can be abutted against the reinforcement 130, thereby fixing the relative position between the energy absorbing box 120 and the front longitudinal beam assembly 200, making the energy transfer smoother, avoiding a sudden change in the relative position of the two, resulting in a sudden decrease in the energy absorbed by the longitudinal structure, and ultimately improving the structural strength and energy absorption effect of the location.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vehicle front collision energy transfer system, comprising a front anti-collision beam assembly, a front longitudinal beam assembly, a reinforcement and a connecting member, wherein the front anti-collision beam assembly comprises an energy absorption box and a cross beam, wherein a first end of the energy absorption box is connected to the cross beam, and a second end of the energy absorption box is inserted into the front longitudinal beam assembly; The reinforcement is arranged in the front longitudinal beam assembly, and the front longitudinal beam assembly and the energy absorption box are connected by the connecting member; The energy absorption box moves along with the cross beam toward the front longitudinal beam assembly, so that the second end of the energy absorption box abuts against the reinforcement.

2. A vehicle front collision energy transfer system according to claim 1, wherein: The reinforcement member includes an abutment portion and at least one connection portion, wherein the connection portion is arranged at one side of the abutment portion, the connection portion is inserted into the second end of the energy absorption box, and the front longitudinal beam assembly, the connection portion and the energy absorption box are connected through the connection member; The second end of the energy absorbing box abuts against the abutting portion.

3. A vehicle front collision energy transfer system according to claim 2, wherein: The connecting portion has at least one first mounting hole, the energy absorbing box has at least one second mounting hole, one of the first mounting hole and the second mounting hole is a first elongated hole, and the other is a first through hole; The extending direction of the first elongated hole is consistent with the moving direction of the crossbeam; The connecting member is inserted into the connecting portion and the energy absorbing box through the first elongated hole and the first through hole.

4. A vehicle front collision energy transfer system according to claim 3, wherein: The number of the connecting parts is at least two, and the same connecting part has at least two first mounting holes.

5. A vehicle front collision energy transfer system according to claim 4, wherein: The front longitudinal beam assembly includes a longitudinal beam inner plate and a longitudinal beam outer plate, the longitudinal beam inner plate and the longitudinal beam outer plate are assembled with each other to form a receiving cavity, and the second end of the energy absorption box and the reinforcement are located in the receiving cavity; The connecting member passes through the longitudinal beam inner plate, the energy absorption box, the connecting portion and the longitudinal beam outer plate, and part of the connecting member is located on the outer side of the longitudinal beam outer plate.

6. A vehicle front collision energy transfer system according to claim 5, wherein: The connecting portion is connected to the abutting portion.

7. A vehicle front collision energy transfer system according to claim 2, wherein: The abutment portion is arranged in the front longitudinal beam assembly, and the connection portion is connected to the front longitudinal beam assembly through the connection member; One of the front longitudinal beam assembly and the energy absorption box has at least one second elongated hole, and the other has at least one second through hole, and the extending direction of the second elongated hole is consistent with the moving direction of the cross beam.

8. A vehicle front collision energy transfer system according to any one of claims 2 to 7, wherein: The energy absorption box includes an outer shell and at least two ribs, wherein the ribs are arranged in the outer shell and connected to the inner side wall of the outer shell; The abutting portion abuts against the rib plate.

9. A vehicle front collision energy transfer system according to claim 8, wherein: The front anti-collision beam assembly also includes a connecting bracket, and the first end of the energy absorption box and the cross beam are connected through the connecting bracket.

10. A vehicle, comprising a vehicle body and a vehicle front collision energy transfer system connected to the vehicle body, wherein the vehicle front collision energy transfer system is the vehicle front collision energy transfer system according to any one of claims 1 to 9.

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