Vehicle body front structure and vehicle

Abstract

The utility model relates to a vehicle body front structure and a vehicle, the vehicle body front structure comprises a front anti-collision beam, an energy absorption box and a connecting assembly, and the energy absorption box is arranged on the rear side of the front anti-collision beam and comprises an energy absorption box body, a first lap joint plate and a second lap joint plate; the first lapping plate is lapped on the upper surface of the front anti-collision beam, and the second lapping plate is lapped on the lower surface of the front anti-collision beam; the connecting assembly comprises a connecting bolt, a connecting nut and a connecting gasket; the connecting gasket is arranged on the upper surface and / or the lower surface of the first lapping plate; and / or the connecting gasket is arranged on the upper surface and / or the lower surface of the second lapping plate; the connecting bolt penetrates through the first lap joint plate, the connecting gasket, the front anti-collision beam and the second lap joint plate so as to be connected with the connecting nut. According to the vehicle body front structure, the situation that the first lap joint plate and the second lap joint plate are torn can be avoided, and it is guaranteed that the energy absorption box can conduct stable axial crushing.

Description

Technical Field

[0001] The present disclosure relates to the technical field of vehicles, and in particular to a vehicle body front structure and a vehicle. Background Art

[0002] Due to the structural differences between the front anti-collision beam and the energy absorption box of the vehicle body, as well as the different opening angles of the longitudinal beams, the connection forms between the front anti-collision beam and the energy absorption box are different. For the vehicle body structure with flush longitudinal beams on both sides, the front anti-collision beam and the energy absorption box can be connected to the vehicle body after forming a subsystem; for the vehicle body structure with non-flush longitudinal beams, the energy absorption box must be assembled before the longitudinal beams and then connected to the front anti-collision beam. The connection between the front anti-collision beam and the energy absorption box must ensure a certain degree of rigidity and strength, and in frontal collisions and frontal offset collisions, it must be ensured that the energy absorption box can be stably axially crushed.

[0003] However, in the related art, there are many parts connecting the front anti-collision beam and the energy absorption box, and the structure is complicated. In addition, the energy absorption box is not easily crushed and easily torn during a collision. Utility Model Content

[0004] In order to overcome the problems existing in the related art, the present disclosure provides a vehicle body front structure and a vehicle to solve the technical problems existing in the related art.

[0005] According to a first aspect of an embodiment of the present disclosure, there is provided a vehicle body front structure, comprising:

[0006] Front anti-collision beam;

[0007] An energy absorption box is arranged at the rear side of the front anti-collision beam, comprising an energy absorption box body, a first lap plate and a second lap plate; the first lap plate and the second lap plate are arranged at the front end of the energy absorption box body in a forwardly protruding manner and are opposite and spaced in the up and down directions, the first lap plate is overlapped on the upper surface of the front anti-collision beam, and the second lap plate is overlapped on the lower surface of the front anti-collision beam;

[0008] A connection assembly, comprising a connection bolt, a connection nut and a connection gasket; the connection gasket is arranged on the upper surface and / or the lower surface of the first lap plate; and / or the connection gasket is arranged on the upper surface and / or the lower surface of the second lap plate;

[0009] The connecting bolt passes through the first lap plate, the connecting gasket, the front anti-collision beam and the second lap plate to be connected with the connecting nut.

[0010] In some embodiments, the energy absorption box body includes an upper cover plate, an outer plate, a lower cover plate, and an inner plate connected in sequence;

[0011] The upper cover plate and the lower cover plate are arranged opposite to each other in the vertical direction and are spaced apart from each other, the outer plate and the inner plate are arranged opposite to each other in the left-right direction and are spaced apart from each other, and the upper cover plate, the outer plate, the lower cover plate and the inner plate jointly enclose an energy absorption cavity;

[0012] The first lap plate is connected to the front end of the upper cover plate in a forward protruding manner, and the second lap plate is connected to the front end of the lower cover plate in a forward protruding manner;

[0013] The front end edge of the inner panel protrudes forward from the front end edge of the outer panel, and the front end edge of the inner panel and the front end edge of the outer panel both abut against the rear side surface of the front anti-collision beam.

[0014] In some embodiments, the inner plate is recessed with a collapse inducing groove extending in the up-down direction, and the collapse inducing groove is arranged flush with the front end edge of the outer plate in the left-right direction.

[0015] In some embodiments, the energy absorption box body also includes a reinforcing rib structure, which is arranged in the energy absorption cavity, and the reinforcing rib structure includes a first reinforcing plate and a second reinforcing plate that are cross-arranged, the first reinforcing plate is arranged in the horizontal direction and extends in the front-to-back direction, and the first reinforcing plate is connected between the inner plate and the outer plate, the second reinforcing plate is arranged in the vertical direction and extends in the front-to-back direction, and the second reinforcing plate is connected between the upper cover plate and the lower cover plate.

[0016] In some embodiments, the front end edge of the inner plate is recessed backward to form a notch, and the bottom wall of the notch is connected to the first reinforcing plate.

[0017] In some embodiments, the connecting gasket includes a first connecting gasket, a second connecting gasket and a third connecting gasket, the first connecting gasket is connected to the lower surface of the first lap plate, the second connecting gasket is connected to the upper surface of the second lap plate, and the third connecting gasket is arranged on the lower surface of the second lap plate; wherein the first connecting gasket and the second connecting gasket are arranged opposite to each other in the up and down directions, and the third connecting gasket and the second connecting gasket are arranged opposite to each other in the up and down directions.

[0018] In some embodiments, the first connecting gasket includes a first gasket body, a first adhesive layer and a first welding point, the first gasket body is bonded to the lower surface of the first lap plate through the first adhesive layer, and the first gasket body is welded to the lower surface of the first lap plate through the first welding point; and / or,

[0019] The second connecting gasket includes a second gasket body, a second adhesive layer and a second welding point. The second gasket body is bonded to the upper surface of the second lap plate through the second adhesive layer, and the second gasket body is welded to the upper surface of the second lap plate through the second welding point.

[0020] In some embodiments, the energy absorption box is extruded from an aluminum plate with a thickness of 2 mm to 3 mm; the first connecting gasket and the second connecting gasket are stamped from an aluminum plate with a thickness of 4 mm to 6 mm; the third connecting gasket is stamped from a steel plate with a thickness of 1 mm to 2 mm, and the third connecting gasket is provided with a weight-reducing hole.

[0021] In some embodiments, the first lap plate is provided with a first mounting hole for the connecting bolt to pass through, and the second lap plate is provided with a second mounting hole for the connecting bolt to pass through;

[0022] The first connection gasket is provided with a third mounting hole for the connection bolt to pass through, the second connection gasket is provided with a fourth mounting hole for the connection bolt to pass through, and the third connection gasket is provided with a fifth mounting hole for the connection bolt to pass through;

[0023] The front anti-collision beam is provided with a sixth mounting hole for the connecting bolt to pass through;

[0024] Among them, the apertures of the first mounting hole and the second mounting hole are the first aperture, the apertures of the third mounting hole and the fourth mounting hole are the second aperture, the aperture of the fifth mounting hole is the third aperture, the second aperture is larger than the first aperture, and the first aperture is larger than the third aperture.

[0025] In some embodiments, the front edge of the first lap plate includes a first arcuate edge segment and a first straight line segment connected to each other, the first arcuate edge segment is arranged on the inner side of the first straight line segment, and the first arcuate edge segment and the first straight line segment are both arranged on the rear side of the front edge of the upper surface of the front bumper beam; and / or,

[0026] The front edge of the second lap plate includes a second arcuate edge segment and a second straight line segment connected to each other, the second arcuate edge segment is arranged on the inner side of the second straight line segment, and the second arcuate edge segment and the second straight line segment are both arranged on the rear side of the front edge of the lower surface of the front bumper beam.

[0027] According to a second aspect of an embodiment of the present disclosure, a vehicle is also provided, comprising the vehicle front structure.

[0028] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: First, by setting a first lap plate and a second lap plate, the first lap plate is overlapped on the upper surface of the front anti-collision beam, the second lap plate is overlapped on the lower surface of the front anti-collision beam, and the energy absorption box is connected to the front anti-collision beam through a connecting assembly, the structural design is simple, which is conducive to lightweight design and can effectively reduce costs. Secondly, by setting a connecting gasket, and the connecting gasket is arranged on the upper surface and / or lower surface of the first lap plate; and / or the connecting gasket is arranged on the upper surface and / or lower surface of the second lap plate. Then, in the event of a collision, the force of the connecting bolt can be transmitted to the connecting gasket, avoiding the transmission of all the force to the first lap plate and the second lap plate, thereby effectively avoiding the first lap plate and the second lap plate from tearing, and ensuring that the energy absorption box can be stably axially crushed.

[0029] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0031] Figure 1 and Figure 2 Schematic diagram of a front vehicle body structure according to an embodiment of the present disclosure.

[0032] Figure 3 It is a partial structural schematic diagram of a front vehicle body structure according to an embodiment of the present invention.

[0033] Figure 4 It is a schematic structural diagram of a first connecting gasket or a second connecting gasket of a front structure of a vehicle body according to an embodiment of the present disclosure.

[0034] Description of Reference Numerals

[0035] 1. front anti-collision beam; 2. energy absorption box; 20. energy absorption box body; 200. energy absorption cavity; 201. upper cover plate; 202. outer plate; 203. lower cover plate; 204. inner plate; 2040. collapse induction groove; 2041. notch groove; 205. reinforcing rib structure; 2051. first reinforcing plate; 2052. second reinforcing plate; 21. first lap plate; 210. first mounting hole; 211. first arc edge segment; 212. first straight segment; 22. second lap plate Connecting plate; 3, connecting assembly; 31, connecting bolt; 32, connecting nut; 33, connecting gasket; 331, first connecting gasket; 3310, third mounting hole; 3311, first gasket body; 3312, first adhesive layer; 3313, first welding point; 332, second connecting gasket; 3320, fourth mounting hole; 3321, second gasket body; 3322, second adhesive layer; 3323, second welding point; 333, third connecting gasket; 3330, weight reduction hole. DETAILED DESCRIPTION

[0036] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0037] In the present disclosure, unless otherwise stated, directional words such as "up, down, left, right, front, and rear" used herein specifically refer to the up, down, left, right, front, and rear defined in a normal use state of a vehicle. Figure 1 As shown; the directional words used such as "inside and outside" refer to the inside and outside of the specific structural outline, and the terms used such as "first and second" are only used to distinguish one element from another element, and do not have order and importance.

[0038] Reference Figures 1 to 4As shown, the present disclosure provides a vehicle body front structure, which includes a front bumper beam 1, an energy absorbing box 2 and a connecting assembly 3. The energy absorbing box 2 is arranged at the rear side of the front bumper beam 1, and the energy absorbing box 2 includes an energy absorbing box body 20, a first lap plate 21 and a second lap plate 22; the first lap plate 21 and the second lap plate 22 are arranged at the front end of the energy absorbing box body 20 in a forwardly protruding manner and are opposite and spaced in the up and down directions, the first lap plate 21 is overlapped on the upper surface of the front bumper beam 1, and the second lap plate 22 is overlapped on the lower surface of the front bumper beam 1. The connecting assembly 3 includes a connecting bolt 31, a connecting nut 32 and a connecting gasket 33; the connecting gasket 33 is arranged on the upper surface and / or the lower surface of the first lap plate 21; and / or the connecting gasket 33 is arranged on the upper surface and / or the lower surface of the second lap plate 22; the connecting bolt 31 passes through the first lap plate 21, the connecting gasket 33, the front anti-collision beam 1 and the second lap plate 22 to be connected with the connecting nut 32.

[0039] In the above technical solution, firstly, by setting the first lap plate 21 and the second lap plate 22, the first lap plate 21 is overlapped on the upper surface of the front anti-collision beam 1, the second lap plate 22 is overlapped on the lower surface of the front anti-collision beam 1, and the energy absorption box 2 is connected to the front anti-collision beam 1 through the connecting component 3, the structural design is simple, which is conducive to lightweight design and can effectively reduce costs. Secondly, by setting a connecting gasket 33, and the connecting gasket 33 is arranged on the upper surface and / or lower surface of the first lap plate 21; and / or, the connecting gasket 33 is arranged on the upper surface and / or lower surface of the second lap plate 22. Then, in the event of a collision, the force of the connecting bolt 31 can be transmitted to the connecting gasket 33, avoiding the transmission of all the force to the first lap plate 21 and the second lap plate 22, thereby effectively avoiding the first lap plate 21 and the second lap plate 22 from tearing, ensuring that the energy absorption box 2 can be stably axially crushed.

[0040] In one embodiment, referring to Figure 1 and Figure 2 As shown, the energy absorption box body 20 includes an upper cover plate 201, an outer plate 202, a lower cover plate 203 and an inner plate 204 which are connected in sequence. The upper cover plate 201 and the lower cover plate 203 are arranged opposite to each other and spaced apart in the up-down direction, and the outer plate 202 and the inner plate 204 are arranged opposite to each other and spaced apart in the left-right direction. The upper cover plate 201, the outer plate 202, the lower cover plate 203 and the inner plate 204 jointly enclose an energy absorption cavity 200. The first lap plate 21 is connected to the front end of the upper cover plate 201 in a forwardly protruding manner, and the second lap plate 22 is connected to the front end of the lower cover plate 203 in a forwardly protruding manner; wherein the front end edge of the inner plate 204 protrudes forward from the front end edge of the outer plate 202, and the front end edges of the inner plate 204 and the outer plate 202 both abut against the rear side of the front bumper beam 1.

[0041] In this embodiment, the energy absorbing box body 20 has a simple structure and can effectively absorb energy, but the present disclosure does not limit the specific structure of the energy absorbing box body 20. In addition, the front edge of the inner plate 204 protrudes forward from the front edge of the outer plate 202, and the front edges of the inner plate 204 and the outer plate 202 are both against the rear side of the front anti-collision beam 1, so when a collision occurs, the force of the front anti-collision beam 1 can be effectively transmitted to the energy absorbing box body 20, ensuring that the energy absorbing box body 20 can effectively collapse and absorb energy.

[0042] Optionally, refer to Figure 2 As shown, the inner plate 204 is recessed with a collapse inducing groove 2040 extending in the up-down direction, and the collapse inducing groove 2040 is flush with the front end edge of the outer plate 202 in the left-right direction, so as to ensure that in the event of a collision, the inner plate 204 and the outer plate 202 of the energy absorption box body 20 can be synchronously axially compressed and deformed. In addition, the present disclosure does not limit the size of the collapse inducing groove 2040, which can be set according to needs. For example, the length of the collapse inducing groove 2040 can be the same as the size of the inner plate 204 in the up-down direction, the width can be 20 mm, and the depth can be 4 mm.

[0043] In other embodiments, referring to Figure 3 As shown, the energy absorption box body 20 also includes a reinforcing rib structure 205, which is arranged in the energy absorption cavity 200, and the reinforcing rib structure 205 includes a first reinforcing plate 2051 and a second reinforcing plate 2052 which are arranged crosswise, the first reinforcing plate 2051 is arranged in the horizontal direction and extends in the front-to-back direction, and the first reinforcing plate 2051 is connected between the inner plate 204 and the outer plate 202, the second reinforcing plate 2052 is arranged in the vertical direction and extends in the front-to-back direction, and the second reinforcing plate 2052 is connected between the upper cover plate 201 and the lower cover plate 203. By providing the reinforcing rib structure 205, the strength of the energy absorption box 2 can be effectively enhanced, and more energy can be absorbed when the energy absorption box 2 can collapse. However, the present disclosure does not limit the specific structural design of the reinforcing rib structure 205.

[0044] In another embodiment, referring to Figure 3 As shown, the front end edge of the inner plate 204 is recessed backward to form a notch groove 2041, and the bottom wall of the notch groove 2041 is connected to the first reinforcing plate 2051, so that the force can be effectively transmitted to the reinforcing rib structure 205 in the event of a collision. The notch groove 2041 can be constructed into any appropriate shape, and the present disclosure does not limit this.

[0045] Optionally, refer to Figure 3As shown, the connecting gasket 33 includes a first connecting gasket 331, a second connecting gasket 332 and a third connecting gasket 333. The first connecting gasket 331 is connected to the lower surface of the first lap plate 21, the second connecting gasket 332 is connected to the upper surface of the second lap plate 22, and the third connecting gasket 333 is arranged on the lower surface of the second lap plate 22; wherein the first connecting gasket 331 and the second connecting gasket 332 are arranged opposite to each other in the up and down directions, and the third connecting gasket 333 and the second connecting gasket 332 are arranged opposite to each other in the up and down directions.

[0046] In this embodiment, by providing the first connection gasket 331 , the second connection gasket 332 and the third connection gasket 333 , the contact area with the connection bolt 31 can be effectively increased to avoid stress concentration and tearing of the first lap plate 21 and the second lap plate 22 .

[0047] In one embodiment, referring to Figure 4 As shown, the first connecting gasket 331 includes a first gasket body 3311, a first adhesive layer 3312 and a first welding point 3313. The first gasket body 3311 is bonded to the lower surface of the first lap plate 21 through the first adhesive layer 3312, and the first gasket body 3311 is welded to the lower surface of the first lap plate 21 through the first welding point 3313.

[0048] In this embodiment, when the first connecting gasket 331 is connected to the lower surface of the first lap board 21, the first connecting gasket 331 can be first connected to the corresponding setting position of the first lap board 21 through the first adhesive layer 3312, and then the first connecting gasket 331 can be welded to the lower surface of the first lap board 21 through the first welding point 3313 to improve the stability of the connection.

[0049] In another embodiment, referring to Figure 4 As shown, the second connecting gasket 332 includes a second gasket body 3321, a second adhesive layer 3322 and a second welding point 3323. The second gasket body 3321 is bonded to the upper surface of the second lap plate 22 through the second adhesive layer 3322, and the second gasket body 3321 is welded to the upper surface of the second lap plate 22 through the second welding point 3323.

[0050] In this embodiment, when the second connecting gasket 332 is connected to the upper surface of the second lap board 22, the second connecting gasket 332 can be first connected to the corresponding setting position of the second lap board 22 through the second adhesive layer 3322, and then the second connecting gasket 332 can be welded to the upper surface of the second lap board 22 through the second welding point 3323 to improve the stability of the connection.

[0051] In terms of material selection, the energy absorption box 2 can be extruded from an aluminum plate with a thickness of 2 mm to 3 mm; the first connection gasket 331 and the second connection gasket 332 can be stamped from an aluminum plate with a thickness of 4 mm to 6 mm; the third connection gasket 333 can be stamped from a steel plate with a thickness of 1 mm to 2 mm, and the third connection gasket 333 is provided with a weight reduction hole 3330. While effectively reducing costs, it can meet the requirements of weight, strength and rigidity.

[0052] Optionally, refer to Figures 1 to 4 As shown, the first lap plate 21 is provided with a first mounting hole 210 for the connecting bolt 31 to pass through, and the second lap plate 22 is provided with a second mounting hole for the connecting bolt 31 to pass through. The first connecting gasket 331 is provided with a third mounting hole 3310 for the connecting bolt 31 to pass through, the second connecting gasket 332 is provided with a fourth mounting hole 3320 for the connecting bolt 31 to pass through, and the third connecting gasket 333 is provided with a fifth mounting hole for the connecting bolt 31 to pass through. The front anti-collision beam 1 is provided with a sixth mounting hole for the connecting bolt 31 to pass through. Among them, the aperture of the first mounting hole 210 and the second mounting hole is the first aperture, the aperture of the third mounting hole 3310 and the fourth mounting hole 3320 is the second aperture, and the aperture of the fifth mounting hole is the third aperture, the second aperture is larger than the first aperture, and the first aperture is larger than the third aperture. Ensure that the connecting bolt 31 and the connecting nut 32 can be assembled in the process. For example, the connecting bolt 31 may be a 10.9 grade M10 bolt, the third aperture may be 11 mm, the first aperture may be 13 mm, and the second aperture may be 14 mm, but the present disclosure does not limit the specific aperture size.

[0053] In one embodiment, the front edge of the first lap plate 21 includes a first arcuate edge segment 211 and a first straight segment 212 connected to each other, the first arcuate edge segment 211 is arranged on the inner side of the first straight segment 212, and the first arcuate edge segment 211 and the first straight segment 212 are both arranged on the rear side of the front edge of the upper surface of the front bumper beam 1. The arrangement of the first arcuate edge segment 211 can make the front end of the first lap plate 21 smoothly transition, avoiding problems such as protruding from the front bumper beam 1 and causing structural interference.

[0054] In another embodiment, the front edge of the second lap plate 22 includes a second arcuate edge segment and a second straight line segment connected to each other, the second arcuate edge segment is arranged on the inner side of the second straight line segment, and the second arcuate edge segment and the second straight line segment are both arranged on the rear side of the front edge of the lower surface of the front bumper beam 1. The arrangement of the second arcuate edge segment can make the front end of the second lap plate smoothly transition, avoiding protrusion from the front bumper beam 1 and causing structural interference and other problems.

[0055] The present disclosure further provides a vehicle, which includes the above-mentioned vehicle body front structure.

[0056] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the present disclosure. This application is intended to cover any variations, uses or adaptations of the present disclosure, which follow the general principles of the present disclosure and include common knowledge or customary technical means in the art that are not disclosed in the present disclosure. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0057] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A vehicle body front structure, characterized in that: include: Front anti-collision beam; An energy absorption box is arranged at the rear side of the front anti-collision beam, comprising an energy absorption box body, a first lap plate and a second lap plate; the first lap plate and the second lap plate are arranged at the front end of the energy absorption box body in a forwardly protruding manner and are opposite and spaced in the up and down directions, the first lap plate is overlapped on the upper surface of the front anti-collision beam, and the second lap plate is overlapped on the lower surface of the front anti-collision beam; A connection assembly, comprising a connection bolt, a connection nut and a connection gasket; the connection gasket is arranged on the upper surface and / or the lower surface of the first lap plate; and / or the connection gasket is arranged on the upper surface and / or the lower surface of the second lap plate; The connecting bolt passes through the first lap plate, the connecting gasket, the front anti-collision beam and the second lap plate to be connected with the connecting nut.

2. The vehicle body front structure according to claim 1, characterized in that: The energy absorption box body comprises an upper cover plate, an outer plate, a lower cover plate and an inner plate which are connected in sequence; The upper cover plate and the lower cover plate are arranged opposite to each other in the vertical direction and are spaced apart from each other, the outer plate and the inner plate are arranged opposite to each other in the left-right direction and are spaced apart from each other, and the upper cover plate, the outer plate, the lower cover plate and the inner plate jointly enclose an energy absorption cavity; The first lap plate is connected to the front end of the upper cover plate in a forward protruding manner, and the second lap plate is connected to the front end of the lower cover plate in a forward protruding manner; The front end edge of the inner panel protrudes forward from the front end edge of the outer panel, and the front end edge of the inner panel and the front end edge of the outer panel both abut against the rear side surface of the front anti-collision beam.

3. The vehicle body front structure according to claim 2, characterized in that: The inner plate is recessed with a collapse inducing groove extending in the up-down direction, and the collapse inducing groove is arranged flush with the front end edge of the outer plate in the left-right direction.

4. The vehicle body front structure according to claim 2, characterized in that: The energy absorption box body also includes a reinforcing rib structure, which is arranged in the energy absorption cavity, and the reinforcing rib structure includes a first reinforcing plate and a second reinforcing plate arranged crosswise, the first reinforcing plate is arranged in the horizontal direction and extends in the front-to-back direction, and the first reinforcing plate is connected between the inner plate and the outer plate, the second reinforcing plate is arranged in the vertical direction and extends in the front-to-back direction, and the second reinforcing plate is connected between the upper cover plate and the lower cover plate.

5. The vehicle body front structure according to claim 4, characterized in that: The front end edge of the inner side plate is recessed backward to form a notch groove, and the bottom wall of the notch groove is connected to the first reinforcing plate.

6. The vehicle body front structure according to any one of claims 1 to 5, characterized in that: The connecting gasket includes a first connecting gasket, a second connecting gasket and a third connecting gasket, the first connecting gasket is connected to the lower surface of the first lap plate, the second connecting gasket is connected to the upper surface of the second lap plate, and the third connecting gasket is arranged on the lower surface of the second lap plate; wherein the first connecting gasket and the second connecting gasket are arranged opposite to each other in the up and down directions, and the third connecting gasket and the second connecting gasket are arranged opposite to each other in the up and down directions.

7. The vehicle body front structure according to claim 6, characterized in that: The first connecting gasket includes a first gasket body, a first adhesive layer and a first welding point, the first gasket body is bonded to the lower surface of the first lap plate through the first adhesive layer, and the first gasket body is welded to the lower surface of the first lap plate through the first welding point; and / or, The second connecting gasket includes a second gasket body, a second adhesive layer and a second welding point. The second gasket body is bonded to the upper surface of the second lap plate through the second adhesive layer, and the second gasket body is welded to the upper surface of the second lap plate through the second welding point.

8. The vehicle body front structure according to claim 6, characterized in that: The energy absorption box is extruded from an aluminum plate with a thickness of 2mm to 3mm; the first connecting gasket and the second connecting gasket are stamped from an aluminum plate with a thickness of 4mm to 6mm; the third connecting gasket is stamped from a steel plate with a thickness of 1mm to 2mm, and the third connecting gasket is provided with a weight-reducing hole.

9. The vehicle body front structure according to claim 6, characterized in that: The first lap plate is provided with a first mounting hole for the connecting bolt to pass through, and the second lap plate is provided with a second mounting hole for the connecting bolt to pass through; The first connection gasket is provided with a third mounting hole for the connection bolt to pass through, the second connection gasket is provided with a fourth mounting hole for the connection bolt to pass through, and the third connection gasket is provided with a fifth mounting hole for the connection bolt to pass through; The front anti-collision beam is provided with a sixth mounting hole for the connecting bolt to pass through; Among them, the apertures of the first mounting hole and the second mounting hole are the first aperture, the apertures of the third mounting hole and the fourth mounting hole are the second aperture, the aperture of the fifth mounting hole is the third aperture, the second aperture is larger than the first aperture, and the first aperture is larger than the third aperture.

10. The vehicle body front structure according to any one of claims 1 to 5, characterized in that: The front edge of the first lap plate includes a first arcuate edge segment and a first straight segment connected to each other, the first arcuate edge segment is arranged on the inner side of the first straight segment, and the first arcuate edge segment and the first straight segment are both arranged on the rear side of the front edge of the upper surface of the front bumper beam; and / or, The front edge of the second lap plate includes a second arcuate edge segment and a second straight line segment connected to each other, the second arcuate edge segment is arranged on the inner side of the second straight line segment, and the second arcuate edge segment and the second straight line segment are both arranged on the rear side of the front edge of the lower surface of the front bumper beam.

11. A vehicle, characterized in that: The vehicle comprises the vehicle body front structure according to any one of claims 1 to 10.

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