WO2022063174A1 - Vehicle body front structure and vehicle - Google Patents
Vehicle body front structure and vehicle Download PDFInfo
- Publication number
- WO2022063174A1 WO2022063174A1 PCT/CN2021/119902 CN2021119902W WO2022063174A1 WO 2022063174 A1 WO2022063174 A1 WO 2022063174A1 CN 2021119902 W CN2021119902 W CN 2021119902W WO 2022063174 A1 WO2022063174 A1 WO 2022063174A1
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- WO
- WIPO (PCT)
- Prior art keywords
- energy
- absorbing box
- connecting plate
- longitudinal beam
- vehicle body
- Prior art date
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- 210000001624 hip Anatomy 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 23
- 230000006378 damage Effects 0.000 description 15
- 208000027418 Wounds and injury Diseases 0.000 description 11
- 208000014674 injury Diseases 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 239000011324 bead Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/04—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members single longitudinal type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
Definitions
- the present disclosure relates to the field of automobiles, and in particular, to a vehicle body front structure and an automobile.
- the front body structure of the car can absorb energy when the car collides, reducing the load force transmitted to the passenger compartment and reducing the possibility of occupant injury.
- the front structure of the vehicle body includes a front bumper, a front longitudinal beam, and an energy-absorbing box connecting the bumper and the front longitudinal beam.
- the front bumper transmits the load force to the energy-absorbing box, and the energy-absorbing box collapses and deforms to reduce the load force, and then transmits the remaining load force to the front longitudinal beam, and the front longitudinal beam transmits the load force to the Crew cabin.
- the energy-absorbing box can absorb part of the load force through the collapse deformation, reducing the load force transmitted to the passenger compartment.
- the energy absorption effect of the front body structure of the car is still not good enough, and the driver is easily injured in the collision.
- Embodiments of the present disclosure provide a vehicle body front structure and an automobile, which can improve the energy absorption effect of the vehicle body front structure.
- the technical solution is as follows:
- the present disclosure provides a vehicle body front structure including:
- a front bumper extending in the first direction
- one end of the energy-absorbing box is connected to the end of the front bumper
- an energy-absorbing box connecting plate which has a first surface and a second surface arranged opposite to each other, the first surface is connected with the other end of the energy-absorbing box;
- first front side member extending in a second direction, the first front side member being connected to the second surface
- a gusset member having a cavity one end of the gusset member is connected to the second surface, the other end of the gusset member is connected to the first front longitudinal beam, and one end of the gusset member is located at the the orthographic projection on the second surface at least partially coincides with the orthographic projection of the other end of the energy absorbing box on the second surface;
- the second direction intersects with the first direction, and the second direction is the length direction of the automobile.
- the second direction is perpendicular to the second surface
- the gusset member includes:
- One end of the connecting plate is fixed on the side of the first front longitudinal beam, the other end of the connecting plate is fixed on the second surface of the connecting plate of the energy-absorbing box, and the two connecting plates are fixed on the second surface of the connecting plate of the energy-absorbing box.
- the end faces of the ends are perpendicular to each other;
- the two connecting plates and the fixing plate form a U-shaped gusset member, and the opening of the U-shaped gusset member faces the middle of the front bumper.
- the connecting plate is a trapezoidal plate, the two waists of the trapezoidal plate are perpendicular to each other, and the two waists of the trapezoidal plate are respectively connected with the side surfaces of the first front longitudinal beam.
- the connecting plate Connected with the second surface of the energy-absorbing box connecting plate, there is a first gap between the upper bottom edge of the trapezoidal plate, the side surface of the first front longitudinal beam and the second surface of the energy-absorbing box connecting plate .
- the vehicle body front structure further includes:
- a second front longitudinal beam is connected to the second surface of the energy-absorbing box connecting plate, and the second front longitudinal beam and the first front longitudinal beam are arranged at intervals along the first direction.
- the second front longitudinal beam includes:
- a second front side member body extending along the second direction, the second front side member body is connected with the other end of the extended side member;
- the fourth direction is perpendicular to the first direction and intersects with the second direction.
- the energy absorbing box connecting plate includes:
- a connecting plate body which is respectively connected with the energy absorbing box, the first front longitudinal beam and the gusset member;
- the ear plate is respectively connected with the outer side and the upper side of the connecting plate body, and the ear plate is also connected with the second front longitudinal beam.
- the orthographic projection of the second front longitudinal beam on the second surface of the energy-absorbing box connecting plate is the same as that of the gusset member on the energy-absorbing box connecting plate.
- the orthographic projections on the second surface are independent of each other.
- the orthographic projection of the second front longitudinal beam on the second surface of the energy-absorbing box connecting plate is the same as that of the energy-absorbing box on the energy-absorbing box connecting plate.
- the orthographic projections on the second surface are independent of each other.
- the orthographic projection of the second front side member on the first plane and the orthographic projection of the first front side member on the first plane are at most partially non-overlapping;
- the first plane is perpendicular to the first direction.
- the present disclosure provides a front structure of a vehicle body, the front structure of the vehicle body includes: at least two energy-absorbing boxes, an energy-absorbing box connecting plate, a first front longitudinal beam, and a gusset member;
- At least two of the energy absorbing boxes are located on the first surface of the connecting plate of the energy absorbing boxes;
- the first front longitudinal beam and the gusset member are located on the second surface of the energy-absorbing box connecting plate, one end of the first front longitudinal beam is connected with the energy-absorbing box connecting plate, and the connection corresponds to at least one end of the energy-absorbing box connecting plate.
- One end of the gusset member is connected with the connecting plate of the energy absorbing box, and the connection point corresponds to the other of the at least two energy absorbing boxes, and the other end is connected with the side wall of the first front longitudinal beam.
- the two energy-absorbing boxes collapse to absorb energy and reduce the load force.
- the gusset member connects the energy-absorbing box connecting plate and the first front longitudinal beam
- the connection between the first front longitudinal beam and the energy-absorbing box connecting plate corresponds to one of the two energy-absorbing boxes
- the energy-absorbing box transmits a part of the load force to the first front longitudinal member.
- the connection between the gusset member and the connection plate of the energy-absorbing box corresponds to the other of the two energy-absorbing boxes.
- the energy-absorbing box transmits a part of the load force to the gusset member, and the gusset member absorbs part of the energy to increase the front structure of the vehicle body.
- the energy-absorbing effect of the device reduces the load force transmitted to the first front longitudinal beam, thereby reducing the load force transmitted by the first front longitudinal beam to the passenger compartment and reducing the possibility of occupant injury.
- connection between the gusset member and the energy-absorbing box connecting plate is at the orthographic projection of the first surface, and the connection with the corresponding energy-absorbing box is on the first surface.
- the orthographic projections of a surface are at least partially coincident.
- the cross section of the gusset member is U-shaped, and the opening of the gusset member is located on a side of the gusset member close to the first front longitudinal beam.
- the gusset member includes two connecting plates and one fixing plate, the two connecting plates are arranged opposite to each other and are located on the same side of the fixing plate, and the two The connecting plates are respectively connected with two opposite sides of the fixing plate.
- the connecting plate is a trapezoidal plate, two waists of the trapezoidal plate are perpendicular to each other, and one waist of the trapezoidal plate is connected to the side surface of the first front longitudinal beam, The other waist of the trapezoidal plate is connected with the second surface of the connecting plate of the energy absorbing box.
- a first gap is provided between the upper bottom edge of the trapezoidal plate, the side surface of the first front longitudinal beam, and the second surface of the energy absorbing box connecting plate.
- the vehicle body front structure further includes a second front longitudinal beam, and the second front longitudinal beam is located on a side of the gusset member away from the first front longitudinal beam and one end of the second front longitudinal beam is connected with the second surface of the connecting plate of the energy absorbing box.
- the orthographic projection of the second front longitudinal beam on the second surface of the energy-absorbing box connecting plate is located at the position of the gusset member on the energy-absorbing box connecting plate. Outside the orthographic projection of the second surface.
- the orthographic projection of the second front longitudinal beam on the second surface of the connecting plate of the energy absorbing box is located on the second surface of the energy absorbing box at least two of the energy absorbing boxes. Outside the orthographic projection of the second surface of the connection plate.
- the second front longitudinal beam includes an extended longitudinal beam and a second front longitudinal beam body, one end of the extended longitudinal beam is connected to the second surface, and the other end is connected to the second front longitudinal beam body ;
- the extending direction of the extending longitudinal beam is perpendicular to the width direction of the vehicle body, intersecting the longitudinal direction and the height direction of the vehicle body, and the extending direction of the second front longitudinal beam body is the same as the longitudinal direction of the vehicle body.
- the orthographic projection of the extended side member and the orthographic projection of the first front side member at least partially do not coincide.
- the energy-absorbing box connecting plate includes a connecting plate body and an ear plate, and the ear plate is connected with the adjacent two sides of the connecting plate body;
- the second front longitudinal beam is connected to the ear plate.
- an embodiment of the present disclosure provides an automobile including any one of the front body structures described in the previous aspect.
- the front bumper, the energy absorbing box, the connecting plate of the energy absorbing box, the first front longitudinal beam and the gusset member together constitute the front structure of the vehicle body in the present application.
- the energy absorption box is located between the front bumper and the first front side member.
- the gusset member connects the energy-absorbing box connecting plate and the first front longitudinal beam, and the orthographic projection of one end of the gusset structure on the second surface and the orthographic projection of the other end of the energy-absorbing box on the second surface at least partially coincide,
- the energy-absorbing box directly transmits a part of the load force to the first front longitudinal beam, and the energy-absorbing box transmits another part of the load force to the gusset members, which can also absorb part of the energy to reduce the load force.
- the gussets then transmit the load force to the first front longitudinal member.
- the gusset members Due to the existence of the gusset members, on the basis of energy absorption by the energy-absorbing box, the gusset members will also absorb part of the energy, further reducing the load force transmitted to the first front longitudinal beam, and increasing the energy-absorbing effect of the front body structure. Therefore, the load force transmitted by the first front longitudinal member to the passenger compartment is reduced, and the possibility of injury to the passenger is reduced. At the same time, the load force transmitted to the first front longitudinal beam is reduced, the possibility of deformation of the first front longitudinal beam due to excessive load force is reduced, and the deformation of the first front longitudinal beam is prevented from affecting the safety of the vehicle.
- FIG. 1 is a schematic structural diagram of a vehicle body front structure provided by an embodiment of the present disclosure
- FIG. 2 is a top view of a vehicle body front structure provided by an embodiment of the present disclosure
- Fig. 3 is the cross-sectional schematic diagram of A-A section in Fig. 2;
- FIG. 4 is a left side view of a vehicle body front structure provided by an embodiment of the present disclosure.
- Fig. 5 is the sectional schematic diagram of B-B section in Fig. 2;
- FIG. 6 is a top view of a gusset structure provided by an embodiment of the present disclosure.
- FIG. 1 is a schematic structural diagram of a front structure of a vehicle body provided by an embodiment of the present disclosure.
- the front structure of the vehicle body includes: a front bumper 10 , an energy absorbing box 20 , an energy absorbing box connecting plate 30 , a first front side member 40 and a gusset member 50 .
- the front bumper 10 extends in the first direction a.
- the first direction a is the width direction of the vehicle.
- the front structure of the vehicle body includes two energy absorbing boxes.
- the energy absorbing box 20 includes a first energy absorbing box 21 and a second energy absorbing box 22 .
- the energy absorbing box connecting plate 30 has a first surface 31 and a second surface 32 disposed opposite to each other, and the two energy absorbing boxes 20 are located on the first surface 31 of the energy absorbing box connecting plate 30 .
- the second surface 32 is perpendicular to the second direction b, the second direction b intersects the first direction a, and the second direction b is the length direction of the automobile.
- each of the first energy absorbing box 21 and the second energy absorbing box 22 is connected to the end of the front bumper 10 , and the other end of each is connected to the first surface 31 of the energy absorbing box connecting plate 30 .
- the first front side member 40 extends in the second direction b.
- the first front side member 40 and the gusset member 50 are located on the second surface 32 of the energy absorbing box connecting plate 30 .
- One end of the first front longitudinal beam 40 is connected to the second surface 32 of the energy absorbing box connecting plate 30 , and the connection corresponds to one of the two energy absorbing boxes 20 .
- One end of the gusset member 50 is connected to the second surface 32 of the energy-absorbing box connecting plate 30 , and the connection corresponds to the other of the two energy-absorbing boxes 20 .
- the other end of the gusset member 50 is connected to the side wall of the first front side member 40 .
- the first energy-absorbing box 21 is arranged opposite to the first front longitudinal beam 40 , and the connection between the first front longitudinal beam 40 and the energy-absorbing box connecting plate 30 is close to the first energy-absorbing box 21 , and the first front longitudinal beam
- the connection between 40 and the connecting plate 30 of the energy absorbing box corresponds to the first energy absorbing box 21 .
- the connection between the gusset member 50 and the energy absorbing box connecting plate 30 is close to the second energy absorbing box 22 , and the connecting position between the gusset member 50 and the energy absorbing box connecting plate 30 corresponds to the second energy absorbing box 22 .
- the two energy-absorbing boxes collapse to absorb energy and reduce the load force.
- the gusset member connects the energy-absorbing box connecting plate and the first front longitudinal beam
- the connection between the first front longitudinal beam and the energy-absorbing box connecting plate corresponds to one of the two energy-absorbing boxes
- the energy-absorbing box transmits a part of the load force to the first front longitudinal member.
- the connection between the gusset member and the connection plate of the energy-absorbing box corresponds to the other of the two energy-absorbing boxes.
- the energy-absorbing box transmits a part of the load force to the gusset member, and the gusset member absorbs part of the energy to increase the front structure of the vehicle body.
- the energy-absorbing effect of the device reduces the load force transmitted to the first front longitudinal beam, thereby reducing the load force transmitted by the first front longitudinal beam to the passenger compartment and reducing the possibility of occupant injury.
- the orthographic projection of the connection between the gusset member 50 and the connection plate 30 of the energy absorbing box on the first surface 31 at least partially coincides with the orthographic projection of the corresponding energy absorbing box 20 on the first surface 31 .
- the orthographic projection of the end of the gusset member 50 close to the energy-absorbing box connecting plate 30 on the first surface 31 at least partially coincides with the orthographic projection of the end of the second energy-absorbing box 22 close to the energy-absorbing box connecting plate 30 on the first surface 31,
- the gusset member 50 can better support the second energy absorbing box 20 .
- a part of the load force is applied to the energy absorbing box connecting plate 30 by the second energy absorbing box 22 , and then directly transmitted to the gusset member 50 .
- the orthographic projection of the end of the first front longitudinal beam 40 close to the connecting plate 30 of the energy absorbing box on the first surface 31 is at least part of the orthographic projection of the end of the first energy absorbing box 21 close to the connecting plate 30 of the energy absorbing box on the first surface 31
- the first front longitudinal beam 40 can better support the first energy absorbing box 21 .
- a part of the load force is applied to the energy absorbing box connecting plate 30 by the first energy absorbing box 21 , and then directly transmitted to the first front longitudinal beam 40 .
- the front structure of the vehicle body includes a front bumper 10 , an energy absorbing box 20 , an energy absorbing box connecting plate 30 , a first front side member 40 and a gusset member 50 .
- the energy absorbing box 20 is located between the front bumper 10 and the first front side member 40 .
- the first energy absorbing box 21 can absorb a part of the load force Directly to the first front side member 40 .
- the gusset member 50 connects the energy-absorbing box connecting plate 30 and the first front longitudinal beam 40 , and the orthographic projection of one end of the gusset member 50 on the first surface 31 and the end of the second energy-absorbing box 22 on the first surface 31
- the orthographic projections are at least partially overlapped, and the second energy absorbing box 22 transmits a part of the load force to the gusset member 50, and the gusset member 50 can also absorb part of the energy to reduce the load force.
- the gusset member 50 in turn transmits the load force to the first front side member 40 . Due to the existence of the gusset members 50, on the basis of the energy absorption of the two energy absorbing boxes 20, the gusset members 50 will also absorb part of the energy.
- the load force transmitted to the first front longitudinal beam 40 is further reduced, the energy absorption effect of the front structure of the vehicle body is increased, the load force transmitted by the first front longitudinal beam 40 to the passenger compartment is reduced, and the possibility of occupant injury is reduced.
- the gusset member 50 absorbs a part of the energy, so that the load force transmitted to the first front longitudinal beam 40 is reduced, the possibility of the deformation of the first front longitudinal beam 40 due to the excessive load force is reduced, and the first front longitudinal beam 40 can be protected. Safety of the front side member 40 .
- the front bumper 10 of the automobile is a safety device for absorbing and slowing the external load force and protecting the front part of the vehicle body. That is, the front bumper 10 can also play a role of absorbing energy when the vehicle is collided, reducing the transmission of the load force to the subsequent devices, ensuring the safety of the vehicle and reducing the possibility of occupant injury. At the same time, when the vehicle collides with a pedestrian, the front bumper 10 can also play a certain role in protecting the pedestrian, thereby reducing the possibility of the pedestrian being injured.
- the front bumper 10 is a columnar structure with a cavity.
- the outer wall of the front bumper 10 will shrink into the cavity to absorb part of the energy, thereby reducing the load force.
- one end of the gusset member 50 is connected to the connecting plate 30 of the energy absorbing box, and the other end of the gusset member 50 is connected to the middle of the first front longitudinal beam 40 .
- the first front side member 40 is close to the middle of the vehicle body.
- the front bumper 10 includes a front bumper extension body 101 and a front bumper main body 102.
- the front bumper extension body 101 and the front bumper main body 102 are connected in sequence, and the energy absorbing box 20 It is connected to the front bumper extension body 101 .
- Dividing the front bumper 10 into a front bumper extension body 101 and a front bumper main body 102 is convenient for manufacture, and at the same time, it is more convenient to connect the front bumper extension body 101 with the energy absorbing box 20 .
- Both the front bumper extension body 101 and the front bumper main body 102 have cavities to ensure the energy absorbing effect of the front bumper 10 .
- the front bumper extension body 101 and the front bumper main body 102 are made by integral molding, that is, the front bumper extension body 101 and the front bumper main body 102 are made as a whole, and the front bumper 10 is increased in size. strength.
- the front bumper extension 101 and the front bumper main body 102 may be connected by welding, and the front bumper extension 101 and the front bumper main body 102 may be welded by lap welding or butt welding. This disclosure does not limit this.
- the front bumper extension 101 and the front bumper body 102 may also be connected by bolts or other means.
- the front bumper extension 101 and the front bumper main body 102 When connecting by bolts, the front bumper extension 101 and the front bumper main body 102 have a one-to-one corresponding through hole, the bolt passes through the communicating through hole, and then a nut is screwed on the other end of the bolt, and the front bumper The bumper extension 101 and the front bumper main body 102 are connected.
- the energy-absorbing box 20 is disposed between the front bumper 10 and the first front side member 40.
- the load force is transmitted to the energy-absorbing box 20 through the front bumper 10, and the absorption
- the energy box 20 has a cavity, which compresses the energy absorbing box 20 to absorb part of the energy, that is, collapse energy absorption, reduce the transmission of the load force to the subsequent devices, ensure the safety of the car, and reduce the possibility of occupant injury.
- the energy absorbing box 20 has an energy absorbing cavity.
- the energy absorbing box 20 has a cylindrical structure, and the inner cavity of the cylindrical structure is the energy absorbing cavity of the energy absorbing box 20 .
- the energy-absorbing box 20 is in the shape of a rectangular parallelepiped and has a crush groove 201 at the corner of the rectangular parallelepiped.
- the crushing groove 201 is an inwardly concave groove structure formed on the surface of the rectangular parallelepiped. When force is applied, it shrinks at the crush groove 201, and the crush groove 201 guides the energy absorbing box 20 to gradually stabilize from the front end (the end connected with the front bumper 10) to the rear end (the end connected with the energy absorbing box connecting plate 30). be compressed, so as to better meet the impact energy absorption requirements.
- the crush grooves 201 are arranged at the corners of the rectangular parallelepiped, that is, one crush groove 201 is located on two adjacent faces of the rectangular parallelepiped, so that the corners of the energy absorbing box 20 can achieve stable crushing.
- the crush groove 201 may be located in other places of the energy absorbing box 20, such as the side of a rectangular parallelepiped, which is not limited in the present disclosure.
- one, two or more crush grooves 201 may be arranged on the energy absorbing box 20, which is not limited in the present disclosure.
- the crush groove 201 may be arranged at each corner of the energy absorbing box 20, or the crush bead 202 may be arranged only on one, two or more corners, which is not limited in the present disclosure .
- the energy absorbing box 20 is also provided with a crushing bead 202 , and the crushing bead 202 is an outwardly protruding boss formed on the surface of a rectangular parallelepiped.
- the crushing ribs 202 cooperate with the crushing grooves 201, so that the main body of the energy-absorbing box 20 is stably crushed, and the damage caused by the collision is reduced, so as to better meet the collision energy-absorbing requirements.
- the crushing ribs 202 can increase the strength of the energy absorbing box 20 without increasing the weight of the energy absorbing box 20 .
- the cooperation of the crush ribs 202 and the crush grooves 201 not only ensures the strength of the energy absorbing box 20 but also does not weaken the buffering effect of the energy absorbing box 20 , that is, does not weaken the crushing energy absorbing effect of the energy absorbing box 20 .
- the surface of the crush bead 202 is elliptical, and the long axis of the ellipse is parallel to the first direction a.
- the long axis of the ellipse may also be arranged in other directions. No restrictions.
- one, two or more crushing ribs 202 may be arranged on the energy absorbing box 20, which is not limited in the present disclosure.
- the crushing bead 202 may be arranged on each surface of the energy absorbing box 20, or the crushing bead 202 may be arranged only on one, two or more surfaces thereof, which is not limited in the present disclosure .
- the crush troughs 201 when the crush troughs 201 are arranged on multiple surfaces of the energy absorbing box 20, the crush troughs 201 on the adjacent surfaces are dislocated, that is, the crush troughs 201 on the adjacent surfaces are disconnected and arranged. not connected.
- the multiple crushing ribs 202 are arranged on the energy absorbing box 20, the multiple crushing ribs 202 are arranged in a dislocation, that is, the crushing ribs 202 are arranged at intervals in the second direction b. So that the energy absorbing box 20 can be gradually and stably crushed from the front end to the rear end.
- the energy absorbing box 20 and the front bumper extension 101 are connected by welding to ensure the firmness of the connection between the energy absorbing box 20 and the front bumper extension 101 .
- the energy absorbing box 20 and the front bumper extension body 101 may be connected by bolts or other means, so that the front bumper 10 or the energy absorbing box 20 can be easily disassembled and assembled.
- the energy absorbing box 20 and the energy absorbing box connecting plate 30 are connected by welding to ensure the firmness of the connection between the energy absorbing box 20 and the energy absorbing box connecting plate 30 .
- the energy absorbing box 20 and the energy absorbing box connecting plate 30 may be connected by bolts or other means.
- the energy absorbing box 20 and the front bumper 10 may be disassembled. The bumper 10 is replaced without replacing the rear first front longitudinal member 40, which reduces the cost of maintaining the vehicle and saves resources at the same time.
- FIG. 2 is a top view of a front structure of a vehicle body provided by an embodiment of the present disclosure.
- the two energy absorbing boxes 20 include a first energy absorbing box 21 and a second energy absorbing box 22 .
- the first energy absorbing box 21 is arranged opposite to the first front longitudinal beam 40
- one end of the gusset member 50 is arranged opposite to the second energy absorbing box 22 .
- both the first energy absorbing box 21 and the second energy absorbing box 22 can absorb energy, thereby increasing the energy absorbing effect.
- the opposite arrangement is located on the two surfaces of the same area of the connecting plate 30 of the energy absorbing box.
- the first energy-absorbing box 21 is provided with a crush groove 201 and a crush bead 202
- the second energy-absorbing box 22 is provided with a crush bead 202 .
- the first energy absorbing box 21 may be provided with only the crush groove 201 or only the crush bead 202
- the second energy absorbing box 22 may also be provided with the crush groove 201 , which is not limited in the present disclosure.
- a plurality of energy absorbing boxes 20 may also be arranged on the front structure of the vehicle body, which is not limited in the present disclosure.
- FIG. 3 is a schematic cross-sectional view of section A-A in FIG. 2 .
- the first energy absorbing box 21 and the second energy absorbing box 22 are arranged at intervals to prevent the first energy absorbing box 21 and the second energy absorbing box 22 from contacting each other during the collapse process, increasing the load in the first direction force.
- the vehicle body front structure further includes a second front side member 60 .
- the second front longitudinal beam 60 is located on the side of the gusset member 50 away from the first front longitudinal beam 40 , and one end of the second front longitudinal beam 60 is connected to the second surface 32 of the energy-absorbing box connecting plate 30 .
- the second front longitudinal beam 60 is arranged, the second front longitudinal beam 60 and the first front longitudinal beam 40 are arranged at intervals along the first direction a, and the connection between the gusset member 50 and the energy absorbing box connecting plate 30 Located between the second front side member 60 and the first front side member 40 .
- the energy-absorbing box 20 collapses, and the load force is transmitted to the second front longitudinal beam 60 and the first front longitudinal beam 40 through the energy-absorbing box connecting plate 30 respectively, thereby reducing the load force on a single front longitudinal beam.
- the possibility of deformation of a single front longitudinal beam due to excessive load force is reduced, and the safety of the front longitudinal beam is guaranteed.
- Both the second front longitudinal beam 60 and the first front longitudinal beam 40 can support the frame of the vehicle and ensure the stability of the vehicle.
- the number of the front longitudinal beams may be determined according to the situation of the vehicle, which is not limited in the present disclosure.
- the first front longitudinal beam 40 and the connecting plate 30 of the energy absorbing box are connected by bolts.
- the connecting plate 30 of the energy absorbing box can be disassembled, and then the energy absorbing box 20 and the front bumper 10 can be disassembled and replaced without replacing the first front bumper.
- the longitudinal beam 40 reduces the cost of maintaining the vehicle and saves resources.
- the energy absorbing box connecting plate 30 and the first front longitudinal beam 40 may be connected by welding or other methods to ensure the firmness of the connection between the energy absorbing box connecting plate 30 and the first front longitudinal beam 40 .
- the second front longitudinal beam 60 and the energy-absorbing box connecting plate 30 are connected by bolts 70.
- the energy-absorbing box connecting plate 30 can be disassembled. Further, the energy absorbing box 20 and the front bumper 10 are disassembled for replacement without replacing the second front longitudinal beam 60, which reduces the cost of maintaining the vehicle and saves resources at the same time.
- the energy absorbing box connecting plate 30 and the second front longitudinal beam 60 may be connected by welding or other methods to ensure the firmness of the connection between the second front longitudinal beam 60 and the energy absorbing box connecting plate 30 .
- the orthographic projection of the second front longitudinal beam 60 on the second surface 32 of the energy absorption box connecting plate 30 is located on the second surface of the gusset member 50 on the energy absorption box connecting plate 30 32 outside the orthographic projection. That is, the orthographic projection of the second front longitudinal beam 60 on the second surface 32 of the energy absorbing box connecting plate 30 and the orthographic projection of the gusset member 50 on the second surface 32 of the energy absorbing box connecting plate 30 are independent of each other.
- the gusset member 50 and the second front side member 60 are spaced apart from each other.
- the gusset member 50 will not transmit the load force to the second front side member 60, reducing the second front side member 60.
- the load force on the beam 60 reduces the possibility that the second front longitudinal beam 60 is deformed due to the excessive load force, and ensures the safety of the second front longitudinal beam 60 .
- Fig. 2 indicate the direction of transmission of the load force.
- the front bumper 10 of the car When the front bumper 10 of the car is collided, the front bumper 10 will be subjected to a load force, the front bumper 10 absorbs energy and reduces the load force; then the front bumper 10 transmits the load force to the first energy-absorbing box 21 and the first energy-absorbing box 21 and the first energy-absorbing box 21.
- Two energy-absorbing boxes 22 the first energy-absorbing box 21 collapses and absorbs energy to reduce the load force, and the remaining load force is transmitted to the first front longitudinal beam 40; the second energy-absorbing box 22 collapses and absorbs energy to reduce the load force , the remaining load force is transmitted to the gusset member 50 and the second front longitudinal beam 60; the gusset member 50 absorbs energy and then transmits the remaining load force to the first front longitudinal beam 40; the first front longitudinal beam 40 and the second front longitudinal beam 40; The front longitudinal member 60 then transmits the load force to subsequent devices.
- the connecting plate 30 of the energy absorbing box includes: a connecting plate body 300 and an ear plate 321 .
- the lugs 321 are connected to two adjacent sides of the connecting plate body 300 .
- the connecting plate body 300 is respectively connected with the energy absorbing box 20 , the first front longitudinal beam 40 and the gusset member 50 .
- the lugs 321 are respectively connected with the outer side and the upper side of the connecting plate body 300, where the outer side refers to facing the front of the vehicle, the connecting plate body 300 is close to the sides of both sides of the vehicle, and the upper side refers to facing the front of the vehicle,
- the connecting plate body 300 is close to the side above the vehicle.
- the second front side member 60 is connected to the ear plate 321 .
- the connecting plate body 300 is connected to the energy-absorbing box 20, the ear plate 321 is connected to the second front longitudinal beam 60, and the connecting plate body 300 and the ear plate 321 have no overlapping area, so that the energy-absorbing box 20 and the second front longitudinal beam 60 have no overlapping area. Overlapping, the load force transmitted by the energy absorbing box 20 to the second front side member 60 is less, which reduces the possibility of damage to the second front side member 60 .
- the connecting plate body 300 includes a front connecting plate 301 and a rear connecting plate 302 arranged in layers, the front connecting plate 301 is connected to the energy absorbing box 20 , and the rear connecting plate 302 is respectively connected to the first front longitudinal beam 40 and the corners
- the support member 50 is connected.
- the ear plate 321 extends along the third direction c, the ear plate 321 is located outside the rear connecting plate 302 and is connected with the rear connecting plate 302 , and the second front longitudinal beam 60 is connected with the ear plate 321 .
- the third direction c is the height direction of the vehicle, and the first direction a, the second direction b, and the third direction c are perpendicular to each other.
- arranging the energy absorbing box connecting plate 30 as the front connecting plate 301 and the rear connecting plate 302 arranged in layers can increase the thickness of the energy absorbing box connecting plate 30 , thereby increasing the strength of the energy absorbing box connecting plate 30 .
- the front connecting plate 301 and the rear connecting plate 302 are connected by bolts to facilitate disassembly; the front connecting plate 301 and the rear connecting plate 302 can also be connected by welding or other methods to ensure the front connecting plate The firmness of the connection between 301 and the rear connecting plate 302.
- the orthographic projection of the second front longitudinal beam 60 on the second surface 32 of the energy absorbing box connecting plate 30 is located on the second surface 32 of the two energy absorbing boxes 20 on the energy absorbing box connecting plate 30 .
- the orthographic projection of the second front longitudinal beam 60 on the second surface 32 of the energy-absorbing box connecting plate 30 and the orthographic projection of the energy-absorbing box 20 on the second surface 32 of the energy-absorbing box connecting plate 30 Independent.
- the projection of the second front longitudinal beam 60 on the surface of the energy absorbing box connecting plate 30 does not overlap with the projection of the energy absorbing box 20 on the surface of the energy absorbing box connecting plate 30, so that the second front longitudinal beam 60 and The energy absorbing boxes 20 are staggered from each other, thereby reducing the load force transmitted to the second front longitudinal beam 60 and ensuring the safety of the second front longitudinal beam 60 .
- FIG. 4 is a left side view of a vehicle body front structure provided by an embodiment of the present disclosure.
- the second front side member 60 includes: an extension side member 601 and a second front side member body 602 .
- One end of the extended longitudinal beam 601 is connected to the second surface 32
- the other end of the extended longitudinal beam 601 is connected to the second front longitudinal beam body 602 .
- the extending direction of the extended side member 601 is perpendicular to the width direction of the vehicle body and intersects the longitudinal direction and the height direction of the vehicle body, and the extending direction of the second front side member body 602 is the same as the longitudinal direction of the vehicle body.
- the extending longitudinal beam 601 extends along the fourth direction d, and the fourth direction d is perpendicular to the first direction a and intersects the second direction b and the third direction c.
- One end of the extended longitudinal beam 601 is connected to the rear connecting plate 302 .
- the second front side member body 602 extends along the second direction b, and the second front side member body 602 is connected to the other end of the extended side member 601 .
- the extension stringer 601 is arranged, and when the load force is transmitted to the extension stringer 601, the extension stringer 601 can absorb energy and further reduce the load force.
- the extended longitudinal beam 601 extends along the fourth direction d.
- the fourth direction d has a component in the third direction c, which reduces the transmission to the third direction.
- the load force of the two front side member bodies 602 reduces the load force transmitted to the passenger compartment, thereby reducing the possibility of injury to the passenger.
- the extended longitudinal beam 601 is a tubular structure formed by welding two U-shaped plates.
- one end of the extended longitudinal beam 601 is connected to the ear plate 321 .
- extension longitudinal beam 601 and the second front longitudinal beam body 602 are connected by means of bolt connection, which is convenient for disassembly.
- extension longitudinal beam 601 and the second front longitudinal beam body 602 may be connected by welding or other methods to ensure the firmness of the connection between the extension longitudinal beam 601 and the second front longitudinal beam body 602 .
- the second front side member 60 is arranged at the outermost side in the vehicle width direction, and the rear end of the second front side member 60 is used to connect to the fender portion or the front pillar of the vehicle. And when the vehicle is viewed from the side, the second front side member 60 is on the upper side of the first front side member 40 .
- the orthographic projection of the extension side member 601 and the orthographic projection of the first front side member 40 at least partially do not coincide.
- the extended side member 601 and the first front side member 40 do not overlap, so that the load force can be distributed in different directions, and when the vehicle is impacted, the vehicle is weakened. Load forces in the same direction reduce the possibility of occupant injury.
- FIG. 5 is a schematic cross-sectional view of the B-B section in FIG. 2 .
- the cross section of the gusset member 50 is U-shaped.
- the opening of the gusset member 50 is located on the side of the gusset member 50 close to the first front side member 40 .
- the gusset member 50 has a cavity, and the cross-section of the gusset member 50 is U-shaped. When the vehicle collides, the gusset member 50 easily collapses to one side or the opposite side of the U-shaped opening, reducing the load force. .
- the gusset member 50 includes: two connecting plates 501 and one fixing plate 502 .
- the two connecting plates 501 are arranged opposite to each other, and are located on the same side of the fixing plate 502 .
- the two connecting plates 501 are respectively connected with two opposite sides of the fixing plate 502 .
- Two connecting plates 501 and one fixing plate 502 enclose a gusset 50 with a U-shaped section.
- one end of the connecting plate 501 is fixed on the side of the first front longitudinal beam 40, the other end of the connecting plate 501 is fixed on the second surface 32 of the connecting plate 30 of the energy absorbing box, and the end faces of the two ends of the connecting plate 501 are perpendicular to each other .
- two connecting plates 501 and one fixing plate 502 enclose a gusset member 50 with a U-shaped cross section, and the opening of the U-shaped gusset member 50 faces the middle of the front bumper 10 .
- the gusset member 50 is arranged as a structure of two connecting plates 501 and a fixing plate 502, so that the gusset member 50 forms a slot with an opening.
- a cavity of the gusset member 50 After being connected with the connecting plate 30 of the energy absorbing box, a cavity of the gusset member 50 will be formed for collapsing and absorbing energy.
- the extending direction of the first front side member 40 is perpendicular to the surface of the connecting plate 30 of the energy absorbing box, and the end faces of the two ends of the connecting plate 501 are perpendicular to each other, which is convenient for the gusset member 50 to connect with the first front side member 40 and The energy absorbing box connecting plate 30 is connected.
- the two connecting plates 501 are parallel to each other. In other implementations, the two connecting plates 501 may not be parallel.
- the fixing plate 502 and the two connecting plates 501 may be fabricated by integral molding to ensure the strength of the gusset member 50 .
- FIG. 6 is a top view of a gusset structure provided by an embodiment of the present disclosure.
- the connecting plate 501 is a trapezoidal plate, and the two waists of the trapezoidal plate are perpendicular to each other.
- One waist of the trapezoidal panel is connected to the side surface of the first front longitudinal beam 40
- the other waist of the trapezoidal panel is connected to the second surface 32 of the connecting panel 30 of the energy absorbing box.
- the connecting plate 501 is arranged as a trapezoidal plate, which is convenient for manufacture.
- the two waists 511 of the trapezoidal plate are respectively connected with the side of the first front longitudinal beam 40 and the second surface 32 of the energy-absorbing box connecting plate 30.
- the upper bottom edge of the trapezoidal plate, the side surface of the first front longitudinal beam 40 and the energy-absorbing box There is a first gap 100 between the second surfaces 32 of the connecting plate 30 .
- the gusset member 50 is connected to the first front longitudinal beam 40 and the energy absorbing box connecting plate 30 by welding, so as to ensure the firmness of the connection.
- the gusset member 50 may be connected with the first front longitudinal beam 40 and the energy absorbing box connecting plate 30 by means of bolts or other means, so as to facilitate disassembly.
- the angle between the bottom edge of the connecting plate 501 and the extending direction of the first front longitudinal beam 40 is between 10 degrees (°) and 80 degrees, and the bottom edge of the connecting plate 501 is the upper bottom edge of the trapezoid or One of the lower bottom edges.
- the angle between the bottom edge of the connecting plate 501 and the extending direction of the first front side member 40 is 45 degrees.
- a reinforcing rib 503 is arranged on the side wall of the gusset member 50 , and the reinforcing rib 503 can increase the strength of the gusset member 50 and reduce the possibility of damage to the gusset member 50 .
- the vehicle body front structure provided by the embodiments of the present disclosure can be arranged on the driver's side of the car, so as to enhance the strength of the car and improve the safety of the car in a 25% offset collision performance.
- the load force on the car is absorbed by the front structure of the car body, and only part of the remaining load force is transferred to the cockpit, thereby reducing the damage to the cockpit caused by the collision and reducing the risk of injury to the driver. possibility.
- An embodiment of the present disclosure also provides an automobile, including any one of the vehicle body front structures shown in FIGS. 1 to 6 .
- the front structure of the vehicle body includes a front bumper, an energy absorbing box, an energy absorbing box connecting plate, a first front longitudinal beam, and a gusset member.
- the energy absorption box is located between the front bumper and the first front side member.
- the front bumper When the car collides, the front bumper is hit, and the front bumper transmits the load force to the two energy-absorbing boxes, and the energy-absorbing boxes collapse and absorb energy to reduce the load force. Since the orthographic projection of one end of the first front longitudinal beam on the first surface at least partially coincides with the orthographic projection of one end of the first energy absorbing box on the first surface, the first energy absorbing box can directly transmit a part of the load force to the first energy absorbing box.
- Front longitudinal member Since the orthographic projection of one end of the first front longitudinal beam on the first surface at least partially coincides with the orthographic projection of one end of the first energy absorbing box on the first surface, the first energy absorbing box can directly transmit a part of the load force to the first energy absorbing box.
- the gusset member connects the energy-absorbing box connecting plate and the first front longitudinal beam, and the orthographic projection of one end of the gusset member on the first surface and the orthographic projection of one end of the second energy-absorbing box on the first surface at least partially coincide, the first The second energy-absorbing box transmits a part of the load force to the gusset members, and the gusset members can also absorb part of the energy to reduce the load force. The gussets then transmit the load force to the first front longitudinal member.
- the gusset members Due to the existence of the gusset members, on the basis of the energy absorption of the two energy-absorbing boxes, the gusset members will also absorb part of the energy, further reducing the load force transmitted to the first front longitudinal beam, and increasing the energy absorption of the front body structure. It can reduce the load force transmitted by the first front longitudinal member to the passenger compartment and reduce the possibility of injury to the passenger. Moreover, the gusset member absorbs a part of the energy, so that the load force transmitted to the first front longitudinal beam is reduced, which can reduce the possibility of the first front longitudinal beam being deformed due to the excessive load force, and avoid the first front longitudinal beam. Deformation affects the safety of the car.
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Abstract
Description
Claims (13)
- 一种车身前部结构,所述车身前部结构包括:至少两个吸能盒(20)、吸能盒连接板(30)、第一前纵梁(40)和角撑构件(50);A vehicle body front structure, the vehicle body front structure comprising: at least two energy absorbing boxes (20), an energy absorbing box connecting plate (30), a first front longitudinal beam (40) and a gusset member (50);至少两个所述吸能盒(20)位于所述吸能盒连接板(30)的第一表面(31);At least two of the energy-absorbing boxes (20) are located on the first surface (31) of the energy-absorbing box connecting plate (30);所述第一前纵梁(40)和所述角撑构件(50)位于所述吸能盒连接板(30)的第二表面(32),所述第一前纵梁(40)的一端与所述吸能盒连接板(30)相连,且连接处对应至少两个所述吸能盒(20)中的一个;The first front longitudinal beam (40) and the gusset member (50) are located on the second surface (32) of the energy-absorbing box connecting plate (30), and one end of the first front longitudinal beam (40) is connected with the energy-absorbing box connecting plate (30), and the connection corresponds to one of the at least two energy-absorbing boxes (20);所述角撑构件(50)的一端与所述吸能盒连接板(30)相连,且连接处对应至少两个所述吸能盒(20)中的另一个,另一端与所述第一前纵梁(40)的侧壁相连。One end of the gusset member (50) is connected to the energy-absorbing box connecting plate (30), and the connection corresponds to the other of the at least two energy-absorbing boxes (20), and the other end is connected to the first energy-absorbing box (20). The side walls of the front longitudinal beams (40) are connected.
- 根据权利要求1所述的车身前部结构,其中,所述角撑构件(50)与所述吸能盒连接板(30)的连接处在所述第一表面(31)的正投影,与相应的所述吸能盒(20)在所述第一表面(31)的正投影至少部分重合。The vehicle body front structure according to claim 1, wherein the connection between the gusset member (50) and the energy absorbing box connecting plate (30) is at the orthographic projection of the first surface (31), which is the same as the orthographic projection of the first surface (31). The orthographic projections of the corresponding energy absorbing boxes (20) on the first surface (31) at least partially overlap.
- 根据权利要求1所述的车身前部结构,其中,所述角撑构件(50)的横截面为U形,所述角撑构件(50)的开口位于所述角撑构件(50)靠近所述第一前纵梁(40)的一侧。The front structure of the vehicle body according to claim 1, wherein the cross section of the gusset member (50) is U-shaped, and the opening of the gusset member (50) is located near the gusset member (50). one side of the first front longitudinal beam (40).
- 根据权利要求3所述的车身前部结构,其中,所述角撑构件(50)包括两个连接板(501)和一个固定板(502),两个所述连接板(501)相对布置,且位于所述固定板(502)的同一面,两个所述连接板(501)分别与所述固定板(502)的两条相对的侧边相连。The vehicle body front structure according to claim 3, wherein the gusset member (50) comprises two connecting plates (501) and one fixing plate (502), and the two connecting plates (501) are arranged opposite to each other, and located on the same side of the fixing plate (502), the two connecting plates (501) are respectively connected with two opposite sides of the fixing plate (502).
- 根据权利要求4所述的车身前部结构,其中,所述连接板(501)为梯形板,所述梯形板的两个腰相互垂直,所述梯形板的一个腰与所述第一前纵梁(40)的侧面相连,所述梯形板的另一个腰与所述吸能盒连接板(30)的第二表面(32)相连。The vehicle body front structure according to claim 4, wherein the connecting plate (501) is a trapezoidal plate, two waists of the trapezoidal plate are perpendicular to each other, and one waist of the trapezoidal plate is parallel to the first front longitudinal direction The sides of the beam (40) are connected, and the other waist of the trapezoidal plate is connected with the second surface (32) of the energy-absorbing box connecting plate (30).
- 根据权利要求5所述的车身前部结构,其中,所述梯形板的上底边、所述第一前纵梁(40)的侧面和所述吸能盒连接板(30)的第二表面(32)之间具有第一间隙(100)。The vehicle body front structure according to claim 5, wherein the upper bottom edge of the trapezoidal plate, the side surface of the first front longitudinal beam (40) and the second surface of the energy absorbing box connecting plate (30) There is a first gap (100) between (32).
- 根据权利要求1至6任一项所述的车身前部结构,其中,所述车身前部结构还包括第二前纵梁(60),所述第二前纵梁(60)位于所述角撑构件(50)远离所述第一前纵梁(40)的一侧,所述第二前纵梁(60)的一端与所述吸能盒连接板(30)的第二表面(32)相连。The vehicle body front structure according to any one of claims 1 to 6, wherein the vehicle body front structure further comprises a second front side member (60) located at the corner One side of the support member (50) away from the first front longitudinal beam (40), one end of the second front longitudinal beam (60) is connected to the second surface (32) of the energy-absorbing box connecting plate (30) connected.
- 根据权利要求7所述的车身前部结构,其中,所述第二前纵梁(60)在所述吸能盒连接板(30)的第二表面(32)的正投影,位于所述角撑构件(50)在所述吸能盒连接板(30)的第二表面(32)的正投影外。The vehicle body front structure according to claim 7, wherein the orthographic projection of the second front longitudinal beam (60) on the second surface (32) of the energy absorbing box connecting plate (30) is located at the corner The support member (50) is outside the orthographic projection of the second surface (32) of the energy-absorbing box connecting plate (30).
- 根据权利要求7所述的车身前部结构,其中,所述第二前纵梁(60)在所述吸能盒连接板(30)的第二表面(32)的正投影,位于至少两个所述吸能盒(20)在所述吸能盒连接板(30)的第二表面(32)的正投影外。The vehicle body front structure according to claim 7, wherein the orthographic projection of the second front longitudinal beam (60) on the second surface (32) of the energy absorbing box connecting plate (30) is located at at least two The energy-absorbing box (20) is outside the orthographic projection of the second surface (32) of the energy-absorbing box connecting plate (30).
- 根据权利要求7所述的车身前部结构,其中,所述第二前纵梁(60)包括延伸纵梁(601)和第二前纵梁本体(602),所述延伸纵梁(601)的一端与所述第二表面(32)相连,另一端与所述第二前纵梁本体(602)相连;The vehicle body front structure according to claim 7, wherein the second front side member (60) comprises an extension side member (601) and a second front side member body (602), the extension side member (601) One end is connected with the second surface (32), and the other end is connected with the second front longitudinal beam body (602);所述延伸纵梁(601)的延伸方向与车身的宽度方向垂直,与车身的长度方向和高度方向相交,所述第二前纵梁本体(602)的延伸方向与车身的长度方向相同。The extending direction of the extended longitudinal beam (601) is perpendicular to the width direction of the vehicle body, intersecting the longitudinal direction and the height direction of the vehicle body, and the extending direction of the second front longitudinal beam body (602) is the same as the longitudinal direction of the vehicle body.
- 根据权利要求11所述的车身前部结构,其中,在与汽车的宽度方向垂直的平面上,所述延伸纵梁(601)的正投影与所述第一前纵梁(40)的正投影至少部分不重合。The vehicle body front structure according to claim 11, wherein, on a plane perpendicular to the width direction of the vehicle, the orthographic projection of the extended side member (601) and the orthographic projection of the first front side member (40) At least some of them do not coincide.
- 根据权利要求7所述的车身前部结构,其中,所述吸能盒连接板(30)包括连接板本体(300)和耳板(321),所述耳板(321)与所述连接板本体(300) 相邻的两侧边相连;The vehicle body front structure according to claim 7, wherein the energy absorbing box connecting plate (30) comprises a connecting plate body (300) and an ear plate (321), the ear plate (321) and the connecting plate The adjacent two sides of the body (300) are connected;所述第二前纵梁(60)与所述耳板(321)相连。The second front longitudinal beam (60) is connected with the ear plate (321).
- 一种汽车,所述汽车包括如权利要求1至12任一项所述的车身前部结构。An automobile comprising a vehicle body front structure as claimed in any one of claims 1 to 12.
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CN202022129272.5 | 2020-09-24 | ||
CN202022129272.5U CN212447408U (en) | 2020-09-24 | 2020-09-24 | Vehicle body front structure and automobile |
CN202011019189.0 | 2020-09-24 | ||
CN202011019189.0A CN112026689A (en) | 2020-09-24 | 2020-09-24 | Vehicle body front structure and automobile |
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PCT/CN2021/119902 WO2022063174A1 (en) | 2020-09-24 | 2021-09-23 | Vehicle body front structure and vehicle |
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