CN211809467U - Front anti-collision assembly of aluminum alloy automobile - Google Patents

Front anti-collision assembly of aluminum alloy automobile Download PDF

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Publication number
CN211809467U
CN211809467U CN201921904214.6U CN201921904214U CN211809467U CN 211809467 U CN211809467 U CN 211809467U CN 201921904214 U CN201921904214 U CN 201921904214U CN 211809467 U CN211809467 U CN 211809467U
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longitudinal beam
energy absorption
absorption box
aluminum alloy
rib
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CN201921904214.6U
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李月
吴文珍
顼文娟
李彦波
杨志强
董大超
王永亮
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Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
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Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
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Abstract

The utility model provides an anticollision assembly before aluminum alloy automobile, includes anticollision roof beam assembly, longeron, roof side rail and longeron front end mounting panel, anticollision roof beam assembly includes crossbeam and main, vice energy-absorbing box, main, vice energy-absorbing box are connected to the preceding terminal surface of longeron front end mounting panel, and longeron and roof side rail are connected to the rear end of roof side beam front end mounting panel, are connected main, vice energy-absorbing box, longeron and roof side rail as an organic whole by longeron front end mounting panel. On one hand, the barrier can be prevented in the small offset collision process, and the normal deformation of the longitudinal beam is ensured; on the other hand, the aluminum alloy longitudinal beam section, the front end and the rear end mounting structures are provided, so that the longitudinal beam is guaranteed to be more uniform in crushing deformation, and the section force value is more stable in fluctuation.

Description

Front anti-collision assembly of aluminum alloy automobile
Technical Field
The utility model relates to an automobile safety device, especially an anticollision assembly before aluminum alloy car.
Background
The front collision accident of the automobile brings huge loss to the society, and in the front automobile collision with different overlapping rates, the front small overlapping rate collision (the front collision with the overlapping rate of 25%) is an accident form with high incidence rate, and the death and injury rate is also high. When most automobile manufacturers design automobiles, only the requirements of collision tests of 40% overlapping rate and 100% overlapping rate of the front face of the automobile and the barrier in laws and regulations are met, and enough attention is not paid to small-overlapping front collision. With the establishment of small offset collision regulations, new requirements and challenges are brought to the design of automobile structures. On the other hand, with the increasingly stringent requirements on energy conservation and emission reduction of automobiles, the light-weight work of automobiles is widely carried out, and light materials represented by aluminum alloys are more and more widely applied to automobile body structures. For small offset crash regulations (25% coverage 64km/h frontal rigid barrier crash), the main problems with the prior art are: 1. the crash box is less in crush, the longitudinal beam is basically not subjected to force transfer, the rigid barrier can directly impact the A column, the deformation of the passenger compartment is serious, and the possibility of injury of passengers is greatly increased. 2) The longitudinal beam is a main energy-absorbing safety part for the frontal collision of an automobile, the front end of the traditional steel longitudinal beam is crushed to absorb energy, the middle part of the longitudinal beam is a rigid region and is basically not deformed, the rear end of the longitudinal beam is bent to absorb energy and is deformed, and the aluminum alloy longitudinal beam is mainly crushed to absorb energy by the front end, so that the average cross-sectional force of the front end of the longitudinal beam is higher, but the cross-sectional force fluctuation is overlarge, and the acceleration fluctuation in the moment of collision is overlarge, and secondary damage is.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's drawback, provide an aluminum alloy automobile front anti-collision assembly that little biasing bumps the in-process and can effectively block the barrier, guarantee the even conquassation of longeron and warp.
The problem of the utility model is realized with following technical scheme:
the utility model provides an anticollision assembly before aluminum alloy automobile, includes anticollision roof beam assembly, longeron, roof side rail, longeron front end mounting panel, and anticollision roof beam assembly includes crossbeam and energy-absorbing box, and the relative crossbeam centrosymmetric setting of energy-absorbing box, the energy-absorbing box is connected to the preceding terminal surface of longeron front end mounting panel, and longeron and roof side rail are connected to the rear end face of longeron front end mounting panel, are connected main, vice energy-absorbing box, longeron and roof side rail as an organic whole by longeron front end mounting panel.
In the aluminum alloy automobile front anti-collision assembly, the energy absorption box consists of a main energy absorption box and an auxiliary energy absorption box, and the auxiliary energy absorption box is positioned outside the main energy absorption box; the longitudinal beam front end mounting plate is a rectangular plate provided with a frame, and a main energy absorption box mounting position and an auxiliary energy absorption box mounting position are arranged on the front end surface of the longitudinal beam front end mounting plate side by side from inside to outside; the rear end face of longeron front end mounting panel from interior to exterior sets up longeron installation position, reinforcing plate and roof side rail installation position side by side, and longeron installation position is equipped with four longeron installation pieces of being connected on four sides with the longeron, and roof side rail installation position is equipped with three roof side rail installation pieces of being connected with preceding, back and the lateral surface of roof side rail, and the reinforcing plate is close to roof side rail installation position one side and is equipped with the reinforcing plate brace rod.
According to the aluminum alloy automobile front anti-collision assembly, the section-shaped outer wall of the longitudinal beam is a regular polygon, the longitudinal beam section-shaped closed area and the plurality of longitudinal beam connecting rib plates are distributed in the polygon, the longitudinal beam section-shaped closed area is located at the center of the polygon, the longitudinal beam section-shaped closed area is connected with the outer wall through the longitudinal beam connecting rib plates, and the longitudinal beam is divided into a multi-cavity structure through the longitudinal beam section-shaped closed area and the longitudinal beam connecting rib plates.
The front part of the longitudinal beam is distributed with at least one longitudinal beam collapsing rib along the y direction, the upper surface and the lower surface of the rear part of the longitudinal beam are respectively provided with a guide rib, and the rear end of the longitudinal beam is provided with a longitudinal beam rear mounting seat.
In the aluminum alloy automobile front anti-collision assembly, the main energy absorption box corresponds to the longitudinal beam in position, the section of the main energy absorption box is a first rectangle, the side length of the first rectangle along the z direction is larger than that along the y direction, and the four edge parts of the main energy absorption box are provided with main energy absorption box collapse ribs; the section of the auxiliary energy absorption box is a second rectangle, the side length of the second rectangle in the z direction is smaller than that in the y direction, the four edges of the auxiliary energy absorption box are provided with auxiliary energy absorption box collapse ribs, and the number of the auxiliary energy absorption box collapse ribs in the edges of the inner side is greater than that of the auxiliary energy absorption box collapse ribs in the edges of the outer side.
According to the front anti-collision assembly of the aluminum alloy automobile, the two main energy absorption box rib plates are symmetrically arranged in the main energy absorption box and are composed of a middle straight rib section and two side inclined rib sections which are connected with each other, and the positions and the directions of the two side inclined rib sections and the longitudinal beam connecting rib plate are corresponding.
In the aluminum alloy automobile front anti-collision assembly, the auxiliary energy absorption box is internally divided into three cavities by the auxiliary energy absorption box rib plates, two symmetrical auxiliary energy absorption box small cavities are arranged near the outer end of the beam, and a larger auxiliary energy absorption box large cavity is arranged far away from the outer end of the beam; one auxiliary energy absorption box rib plate corresponds to the position and the direction of the vertical plate in the middle of the cross beam.
In the aluminum alloy automobile front anti-collision assembly, the longitudinal beam rear mounting seat is composed of a longitudinal beam mounting sleeve and a rear mounting plate, the longitudinal beam mounting sleeve is provided with a positioning convex edge matched and inserted with the guide rib of the longitudinal beam, and the rear end of the longitudinal beam is inserted into the longitudinal beam mounting sleeve and fastened by a bolt; the back mounting panel is equipped with two installation risers, is equipped with the mounting panel strengthening rib between back mounting panel and the longeron installation cover.
Above-mentioned crashproof assembly before aluminum alloy car, the whole of crossbeam is symmetrical two-way bending structure, and the crossbeam both ends adopt corner cut structure.
Above-mentioned crashproof assembly before aluminum alloy car, the inboard edge of longeron front end mounting panel is equipped with front end frame mount position.
The utility model provides an aluminum alloy automobile front anti-collision assembly, on one hand can ensure that the small offset collision process can block the barrier, ensure the longeron normal deformation; on the other hand, the aluminum alloy longitudinal beam section, the front end and the rear end mounting structures are provided, so that the longitudinal beam is guaranteed to be more uniform in crushing deformation, and the section force value is more stable in fluctuation. The utility model discloses a key feature embodies in following aspect: 1. the structure of the longitudinal beam and the section of the aluminum alloy profile ensure that the aluminum alloy longitudinal beam has high bending resistance in the z direction and the y direction, the crushing performance in the x direction is excellent, and the force value is stable. And 2, an auxiliary energy absorption box structure is added, the contact area between the small offset collision and the barrier is increased, and the reasonable design of the main energy absorption box and the auxiliary energy absorption box structure further enhances the collision stability of the system. 3. The front-end connecting plate of the longitudinal beam adopting the aluminum alloy die-casting process is adopted to innovatively connect the anti-collision beam assembly, the aluminum alloy longitudinal beam and the upper side beam (shotgun) into a collision system, so that the integral connection rigidity and strength are improved; when the automobile collides, the energy absorption box transmits the collision force to the longitudinal beam and the upper side beam part through the longitudinal beam front end mounting plate, the force transmission channel is increased, the automobile lateral displacement can be guided when small offset collision is carried out, the direct collision of a barrier on an A column is avoided, and the deformation of a passenger compartment is reduced. In addition, the method also has the characteristics of reducing the number of parts, facilitating light weight and reducing the technological process.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 and 4 are structural schematic diagrams of two different sections of the longitudinal beam;
FIG. 5 is a sectional view taken along line B-B of FIG. 1;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 7 is a schematic structural view of a stringer;
FIG. 8 is a schematic structural view of a longitudinal beam front end mounting plate;
FIG. 9 is a schematic structural view of the impact beam assembly;
FIG. 10 is a schematic structural view of the rear mount of the stringer;
fig. 11 is a force-displacement curve for a stringer of the present invention versus a conventional stringer.
The reference numbers in the figures are: 1. the structure comprises a cross beam, 1-1 parts of a trimming structure, 1-2 parts of a middle vertical plate of the cross beam, 2 parts of a main energy-absorbing box, 2-1 parts of a main energy-absorbing box collapsing rib, 2-2 parts of a main energy-absorbing box rib plate, 3 parts of an auxiliary energy-absorbing box, 3-2 parts of an auxiliary energy-absorbing box small cavity, 3-3 parts of an auxiliary energy-absorbing box large cavity, 3-4 parts of an auxiliary energy-absorbing box rib plate, 4 parts of a longitudinal beam front end mounting plate, 4-1 parts of a longitudinal beam mounting block, 4-2 parts of an upper side beam mounting block, 4-3 parts of a reinforcing plate, 4-4 parts of a reinforcing plate supporting rib, 4-5 parts of a front end frame mounting position, 5 parts of a longitudinal beam, 5-1 parts of a longitudinal beam collapsing rib, 5-2 parts of a guiding rib, 5-3 parts of a cross-shaped longitudinal beam closed area, 5-4 parts of a longitudinal beam, 6-1, a longitudinal beam mounting sleeve, 6-2, a rear mounting plate, 6-3, a mounting plate reinforcing rib, 6-4, a mounting vertical plate, 7 and an upper boundary beam.
Detailed Description
The utility model discloses an on the basis of fully considering little biasing and bumping the law, the crashproof assembly before the car of using the aluminum alloy as the material of design, the utility model discloses an aspect is solved little biasing and is bumped automobile body structural arrangement problem, and on the other hand adopts longeron and the crashproof roof beam assembly system of full aluminum alloy material also have important value in the aspect of car lightweight and energy saving and emission reduction.
Referring to fig. 1 and 7, the utility model discloses a longeron front end mounting panel 4 that two longerons 5, two roof beams 7 that symmetry set up and two symmetries set up of anticollision roof beam assembly, symmetry set up. The anti-collision beam assembly comprises a beam 1, and a main energy absorption box 2 and an auxiliary energy absorption box 3 which are symmetrically arranged. The whole cross beam 1 is of a symmetrical bidirectional bending structure, avoidance is considered at two ends of the cross beam, a corner cutting structure 1-1 is adopted, and the cross beam is provided with a cross beam middle vertical plate 1-2 for improving the strength of the cross beam.
Referring to fig. 1 and 6, the utility model discloses a longeron front end mounting panel 4, the preceding terminal surface of longeron front end mounting panel is equipped with main, vice energy-absorbing box installation position, and the rear end face of roof beam front end mounting panel sets up longeron installation position and roof side rail installation position side by side. The longitudinal beam front end mounting plate is designed, an anti-collision beam assembly, a longitudinal beam and a top side beam (shotgun) can be connected into a whole, and the mounting positions 4-5 of the longitudinal beam and a front end frame are prefabricated, so that the functions of the part are further increased. The mounting plate at the front end of the longitudinal beam is made of aluminum alloy through a die-casting process, the connecting functions are perfectly integrated on one part, the number of the parts is reduced, and the purpose of light weight is achieved. The longitudinal beam front end mounting plate is a rectangular plate provided with a frame, and a main energy absorption box mounting position and an auxiliary energy absorption box mounting position are arranged on the front end surface of the longitudinal beam front end mounting plate side by side from inside to outside; the rear end face of the longitudinal beam front end mounting plate is provided with a longitudinal beam mounting position, a reinforcing plate 4-3 and a top side beam mounting position side by side from inside to outside. The longitudinal beam mounting position is provided with four longitudinal beam mounting blocks 4-1 connected with four sides of the longitudinal beam, the upper side beam mounting position is provided with three upper side beam mounting blocks 4-2 connected with the front side, the rear side and the outer side of the upper side beam, and the longitudinal beam mounting blocks and the upper side beam mounting blocks are provided with bolt holes convenient for connection. And reinforcing plate supporting ribs 4-4 are arranged on one side of the reinforcing plate close to the mounting position of the upper edge beam. The reinforcing plate improves the connection rigidity and the strength of the longitudinal beam front end mounting plate. The front part of the longitudinal beam is connected with a mounting plate at the front end of the longitudinal beam. When small offset bumps, the anti-collision beam assembly is crushed and deformed at first, the main energy absorption box and the auxiliary energy absorption box transmit collision force to the longitudinal beam front end mounting plate, and then the collision force is transmitted to the longitudinal beam and the upper side beam part, force transmission channels are increased, and collision energy is absorbed better. On the other hand, the spatial arrangement is beneficial to guiding the lateral displacement of the vehicle when the upper edge beam is slightly offset, the direct impact of the barrier on the column A is avoided, and the deformation of the passenger compartment is reduced.
Referring to fig. 1-4 and 7, at least one longitudinal beam crush rib 5-1 is distributed on the front part of the longitudinal beam 5 along the y direction, and aims to reduce the initial peak value of the longitudinal beam section force during collision and reduce the instantaneous acceleration of the collision. The front end of the longitudinal beam is provided with a mounting hole. The upper surface and the lower surface of the rear part of the longitudinal beam are respectively provided with a guide rib 5-2, and the rear end of the longitudinal beam is provided with a longitudinal beam rear mounting seat 6. The cross-sectional outer wall portions of the stringers are regular polygons, in the illustrated embodiment octagons. A longitudinal beam section-shaped closed area 5-3 and a plurality of longitudinal beam connecting rib plates 5-4 are distributed in the polygon, the longitudinal beam section-shaped closed area is located in the center of the polygon, the longitudinal beam section-shaped closed area can be circular or polygonal, each longitudinal beam connecting rib plate connects the longitudinal beam section-shaped closed area with the outer wall of the longitudinal beam, and the longitudinal beam is divided into a multi-cavity structure by the longitudinal beam section-shaped closed area and the longitudinal beam connecting rib plates, wherein the illustrated embodiment is a five-cavity structure. On one hand, the longitudinal beam section design enables the longitudinal beam to have strong bending strength in the y direction and the z direction, on the other hand, the aluminum alloy longitudinal beam with the section has good collision crushing performance, the fluctuation range of the section force is smaller than that of the aluminum alloy longitudinal beam with other sections, and the force value is more stable, as shown in fig. 11.
Referring to fig. 1 and 9, the utility model discloses anticollision roof beam assembly has set up main and auxiliary energy-absorbing box, and auxiliary energy-absorbing box 3 is located the outside of main energy-absorbing box 2. The section of the main energy-absorbing box 2 is a rectangle I, the side length of the rectangle I along the z direction (the height direction in the using state) is larger than the side length along the y direction (the left and right direction in the using state), and four edges of the main energy-absorbing box are provided with main energy-absorbing box collapse ribs 2-1. The section of the secondary energy absorption box 3 is a second rectangle, and the side length of the second rectangle along the z direction is smaller than that along the y direction. The four edges of the auxiliary energy-absorbing box are provided with auxiliary energy-absorbing box collapse ribs 3-1, the number of the auxiliary energy-absorbing box collapse ribs at the inner side edge part is more than that of the auxiliary energy-absorbing box collapse ribs at the outer side edge part, so that the auxiliary energy-absorbing box can guide more uniform crushing deformation of the auxiliary energy-absorbing box during small offset collision, and the y-direction component force generated during collision is reduced. The rear parts of the main energy absorption box and the auxiliary energy absorption box are provided with energy absorption box mounting plates, and the energy absorption box mounting plates are connected with the longitudinal beam front end mounting plates through bolts.
Referring to fig. 1, 5 and 6, two main energy absorption box rib plates 2-2 are symmetrically arranged in the main energy absorption box 2, each main energy absorption box rib plate is composed of a middle straight rib section and two side inclined rib sections which are connected with each other, and the positions and the directions of the two side inclined rib sections and longitudinal beam connecting rib plates 5-4 correspond to each other. The structure can ensure the force transmission in collision and reduce the instability and deformation of the energy absorption box. The auxiliary energy absorption box 3 is divided into three cavities by an auxiliary energy absorption box rib plate, two symmetrical auxiliary energy absorption box small cavities 3-2 are arranged near the outer end of the beam, and the part of the energy absorption box has higher rigidity and is not easy to deform; the outer end far away from the beam is provided with a large cavity 3-3 of a large auxiliary energy absorption box, and the part of the energy absorption box has low rigidity and is easy to crush and deform. The energy-absorbing box rib plates 3-4 of the auxiliary connecting auxiliary energy-absorbing box outer side wall correspond to the position and the trend of the vertical plates 1-2 in the middle of the cross beam, and play a supporting role.
Referring to fig. 1 and 10, the longitudinal beam rear mounting base 6 is composed of a longitudinal beam mounting sleeve 6-1 and a rear mounting plate 6-2, the longitudinal beam mounting sleeve is provided with a positioning convex rib matched and inserted with a guide rib of the longitudinal beam, and the rear end of the longitudinal beam is inserted into the longitudinal beam mounting sleeve and fastened by a bolt; the rear mounting plate is provided with two mounting vertical plates 6-4, and a mounting plate reinforcing rib 6-3 is arranged between the rear mounting plate and the longitudinal beam mounting sleeve. The rear mounting seat of the longitudinal beam connects the rear part of the longitudinal beam with the rear mounting seat, plays a role in reinforcing the rear end of the longitudinal beam and prevents the rear end of the longitudinal beam from being crushed and deformed in the collision process; on the other hand, the rear mounting plate is connected with the firewall at the rear end of the engine compartment, so that the rigidity and the strength of the whole system are guaranteed.
To sum up, the utility model provides a little biasing car body structure arrangement problem, promoted the rigidity of crashproof system before the whole, guaranteed collision stability, reduced the quantity of processing part, also have great value to the lightweight.

Claims (10)

1. The utility model provides an anticollision assembly before aluminum alloy car which characterized in that: the anti-collision device comprises an anti-collision beam assembly, a longitudinal beam (5), an upper side beam and a longitudinal beam front end mounting plate (4), wherein the anti-collision beam assembly comprises a transverse beam (1) and energy absorption boxes, the energy absorption boxes are arranged symmetrically relative to the transverse beam, the front end face of the longitudinal beam front end mounting plate is connected with the energy absorption boxes, the rear end face of the longitudinal beam front end mounting plate is connected with the longitudinal beam and the upper side beam, and the main energy absorption box, the auxiliary energy absorption boxes, the longitudinal beam and the upper side beam are connected into a whole.
2. The aluminum alloy automobile front anti-collision assembly according to claim 1, wherein: the energy absorption box is composed of a main energy absorption box (2) and an auxiliary energy absorption box (3), and the auxiliary energy absorption box (3) is positioned outside the main energy absorption box; the longitudinal beam front end mounting plate is a rectangular plate provided with a frame, and a main energy absorption box mounting position and an auxiliary energy absorption box mounting position are arranged on the front end surface of the longitudinal beam front end mounting plate side by side from inside to outside; the rear end face of the longitudinal beam front end mounting plate is provided with a longitudinal beam mounting position, a reinforcing plate (4-3) and a top edge beam mounting position side by side from inside to outside, the longitudinal beam mounting position is provided with four longitudinal beam mounting blocks (4-1) connected with four sides of the longitudinal beam, the top edge beam mounting position is provided with three top edge beam mounting blocks (4-2) connected with the front side, the rear side and the outer side of the top edge beam, and one side, close to the top edge beam mounting position, of the reinforcing plate is provided with a reinforcing plate supporting rib (4-4).
3. The aluminum alloy automobile front anti-collision assembly according to claim 2, wherein: the section-shaped outer wall of each longitudinal beam is a regular polygon, a longitudinal beam section-shaped closed area (5-3) and a plurality of longitudinal beam connecting rib plates (5-4) are distributed in the polygon, the longitudinal beam section-shaped closed area is located at the center of the polygon, each longitudinal beam connecting rib plate connects the longitudinal beam section-shaped closed area with the outer wall, and the longitudinal beam is divided into a multi-cavity structure by the longitudinal beam section-shaped closed area and the longitudinal beam connecting rib plates.
4. The aluminum alloy automobile front anti-collision assembly according to claim 3, wherein: the front part of the longitudinal beam is distributed with at least one longitudinal beam collapse rib (5-1) along the y direction, the upper surface and the lower surface of the rear part of the longitudinal beam are respectively provided with a guide rib (5-2), and the rear end of the longitudinal beam is provided with a longitudinal beam rear mounting seat.
5. The aluminum alloy automobile front anti-collision assembly according to claim 4, wherein: the main energy absorption box (2) corresponds to the longitudinal beam in position, the section of the main energy absorption box is a rectangle I, the side length of the rectangle I along the z direction is larger than that along the y direction, and four edge parts of the main energy absorption box are provided with main energy absorption box collapse ribs (2-1); the section of the auxiliary energy absorption box (3) is a second rectangle, the side length of the second rectangle along the z direction is smaller than that along the y direction, the four edges of the auxiliary energy absorption box are provided with auxiliary energy absorption box collapse ribs (3-1), and the number of the auxiliary energy absorption box collapse ribs at the edges of the inner side is more than that of the auxiliary energy absorption box collapse ribs at the edges of the outer side.
6. The aluminum alloy automobile front anti-collision assembly according to claim 5, wherein: two main energy absorption box rib plates (2-2) are symmetrically arranged in the main energy absorption box, each main energy absorption box rib plate is composed of a middle straight rib section and two side inclined rib sections which are connected with each other, and the positions and the directions of the two side inclined rib sections correspond to those of the longitudinal beam connecting rib plates (5-4).
7. The aluminum alloy automobile front bumper assembly of claim 6, wherein: the inside of the auxiliary energy absorption box is divided into three cavities by auxiliary energy absorption box rib plates, two symmetrical auxiliary energy absorption box small cavities (3-2) are arranged near the outer end of the beam, and a larger auxiliary energy absorption box large cavity (3-3) is arranged far away from the outer end of the beam; one auxiliary energy absorption box rib plate (3-4) corresponds to the position and the trend of the middle vertical plate (1-2) of the cross beam.
8. The aluminum alloy automobile front bumper assembly as recited in claim 7, wherein: the longitudinal beam rear mounting seat (6) is composed of a longitudinal beam mounting sleeve (6-1) and a rear mounting plate (6-2), the longitudinal beam mounting sleeve is provided with a positioning convex rib matched and inserted with a guide rib of the longitudinal beam, and the rear end of the longitudinal beam is inserted into the longitudinal beam mounting sleeve and is fastened by a bolt; the rear mounting plate is provided with two mounting vertical plates (6-4), and a mounting plate reinforcing rib (6-3) is arranged between the rear mounting plate and the longitudinal beam mounting sleeve.
9. The aluminum alloy automobile front bumper assembly of claim 8, wherein: the whole cross beam (1) is of a symmetrical bidirectional bending structure, and two ends of the cross beam adopt corner cutting structures (1-1).
10. The aluminum alloy automobile front bumper assembly of claim 9, wherein: the inner side edge of the longitudinal beam front end mounting plate is provided with a front end frame mounting position (4-5).
CN201921904214.6U 2019-11-06 2019-11-06 Front anti-collision assembly of aluminum alloy automobile Active CN211809467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921904214.6U CN211809467U (en) 2019-11-06 2019-11-06 Front anti-collision assembly of aluminum alloy automobile

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Application Number Priority Date Filing Date Title
CN201921904214.6U CN211809467U (en) 2019-11-06 2019-11-06 Front anti-collision assembly of aluminum alloy automobile

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CN211809467U true CN211809467U (en) 2020-10-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115649098A (en) * 2022-11-30 2023-01-31 重庆长安汽车股份有限公司 Vehicle body system for improving small offset collision performance and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115649098A (en) * 2022-11-30 2023-01-31 重庆长安汽车股份有限公司 Vehicle body system for improving small offset collision performance and vehicle
CN115649098B (en) * 2022-11-30 2024-05-28 重庆长安汽车股份有限公司 Vehicle body system and vehicle for improving small offset collision performance

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