CN216002495U

CN216002495U - Front anti-collision beam assembly of passenger car

Info

Publication number: CN216002495U
Application number: CN202122652591.9U
Authority: CN
Inventors: 王贵明; 赵炜; 林浩浩; 年洪涛; 王涛; 张永军
Original assignee: Rizhao Zte Automobile Co ltd
Current assignee: Rizhao Zte Automobile Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-11
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a front anti-collision beam assembly of a passenger car, which comprises an anti-collision beam outer plate, energy absorption boxes arranged at two ends of the anti-collision beam outer plate and a buffer bar block arranged at the bottom end of the energy absorption boxes, wherein two ends of the buffer bar block are provided with upper edges which are attached to the outer walls of the energy absorption boxes, and the cavity of the energy absorption boxes adopts a slope type structure at the bending part; the energy absorption box comprises a first energy absorption plate and a second energy absorption plate connected with the first energy absorption plate, and the second energy absorption plate is buckled on the inner side of the first energy absorption plate; a first crush induction groove is formed in the outer side of the first energy absorption plate, a second crush induction groove is formed in the outer side of the second energy absorption plate, and the second crush induction groove and the first crush induction groove are distributed at intervals; the buffer lever block is of a ship-shell structure. The utility model adopts the above structure a passenger car's preceding crashproof roof beam assembly, the striking that bears when having weakened the collision has strengthened the ability of resisting deformation, can carry out abundant energy-absorbing, has increased the assembly space simultaneously, easily anticollision roof beam's dismantlement and installation.

Description

Front anti-collision beam assembly of passenger car

Technical Field

The utility model belongs to the technical field of the automotive technology and specifically relates to a front anti-collision beam assembly of passenger car is related to.

Background

The front anti-collision beam for the passenger car in the domestic market has the same or different structure and basically comprises a beam body, an energy absorption box and a towing hook. There are some insufficiencies in the automobile anticollision roof beam structural design among the prior art: after collision, the vehicle body structure is greatly damaged, the maintenance and the replacement are inconvenient, the maintenance cost is high, and the maintenance time is long; the structure bending resistance is relatively weak, and anticollision roof beam deflection is too big at the collision in-process, can lead to the fact destruction to preceding enclose, floor, and this kind of anticollision roof beam system energy-absorbing effect is poor moreover, and the energy-absorbing capacity is not enough. In view of the above, it is desirable to design a front impact beam assembly for a passenger vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a preceding crashproof roof beam assembly of passenger car has weakened the striking that bears when colliding, has strengthened the ability of resisting deformation, can carry out abundant energy-absorbing, has increased the assembly space simultaneously, easily crashproof roof beam's dismantlement and installation.

In order to achieve the purpose, the utility model provides a front anti-collision beam assembly of a passenger car, which comprises an anti-collision beam outer plate, energy absorption boxes arranged at two ends of the anti-collision beam outer plate and a buffer bar block arranged at the bottom end of the energy absorption boxes, wherein two ends of the buffer bar block are provided with upper edges which are attached to the outer walls of the energy absorption boxes, and the cavity of the energy absorption boxes adopts a slope structure at the bending position;

the energy absorption box comprises a first energy absorption plate and a second energy absorption plate connected with the first energy absorption plate, and the second energy absorption plate is buckled on the inner side of the first energy absorption plate;

a first crush induction groove is formed in the outer side of the first energy-absorbing plate, a second crush induction groove is formed in the outer side of the second energy-absorbing plate, the second crush induction groove and the first crush induction groove are distributed in a staggered mode, and the first crush induction groove and the second crush induction groove are both of a semicircular structure;

the buffer lever block is of a ship-shell structure.

Preferably, the outer plate of the anti-collision beam is of an I-shaped structure and is formed by rolling.

Preferably, one end of the anti-collision beam outer plate is provided with a towing hook, the towing hook is arranged on the inner side of the energy absorption box, and the towing hook is connected with the anti-collision beam outer plate in a welding mode.

Preferably, the buffer lever block is connected with the front cabin longitudinal beam through a bolt.

Preferably, the first energy absorbing plate and the second energy absorbing plate are both of U-shaped structures, and the depth of the first energy absorbing plate is larger than that of the second energy absorbing plate.

Therefore, the utility model adopts the above structure a passenger car's preceding crashproof roof beam assembly, the striking that bears when having weakened the collision has strengthened the ability of resisting deformation, can carry out abundant energy-absorbing, has increased assembly space simultaneously, easily crashproof roof beam's dismantlement and installation.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a front impact beam assembly of a passenger vehicle according to the present invention;

FIG. 2 is an exploded view of an embodiment of a front impact beam assembly for a passenger vehicle according to the present invention;

FIG. 3 is a schematic structural view of an outer plate of an impact beam of an embodiment of a front impact beam assembly of a passenger vehicle according to the present invention;

FIG. 4 is a schematic structural view of an energy absorption box of an embodiment of a front impact beam assembly of a passenger vehicle according to the present invention;

fig. 5 is the utility model relates to a buffer bar sprue structure schematic diagram of preceding crashproof roof beam assembly embodiment of passenger car.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is the utility model relates to a structural schematic diagram of the preceding crashproof roof beam assembly embodiment of passenger car, fig. 2 is the utility model relates to an explosion map of the preceding crashproof roof beam assembly embodiment of passenger car, fig. 3 is the utility model relates to an anticollision roof beam planking structural schematic diagram of the preceding crashproof roof beam assembly embodiment of passenger car, fig. 4 is the utility model relates to an energy-absorbing box structural schematic diagram of the preceding crashproof roof beam assembly embodiment of passenger car, fig. 5 is the utility model relates to a buffer bar jam block structural schematic diagram of the preceding crashproof roof beam assembly embodiment of passenger car. As shown in the figures, the utility model provides a front anti-collision beam assembly of passenger car, including anti-collision beam planking 1, energy-absorbing box 2 that sets up at anti-collision beam planking 1 both ends and the buffer bar sprue 3 that sets up in energy-absorbing box 2 bottom, the both ends of buffer bar sprue 3 are provided with upper edge 4, upper edge 4 laminates on the outer wall of energy-absorbing box 2, the cavity of energy-absorbing box 2 adopts slope type structure in the department of bending, and increased the energy-absorbing groove, strengthened and resisted the deformability, do benefit to the transmission of impact force, absorb more impact energy; the energy absorption box 2 consists of a first energy absorption plate 21 and a second energy absorption plate 22 connected with the first energy absorption plate 21, and the second energy absorption plate 22 is buckled at the inner side of the first energy absorption plate 21; the first crush induction groove 23 is provided on the outer side of the first energy absorbing plate 21, the second crush induction groove 24 is provided on the outer side of the second energy absorbing plate 22, and the second crush induction groove 24 and the first crush induction groove 23 are alternately distributed and are not connected to each other from top to bottom, so that sufficient energy absorption can be performed. The first crush-inducing grooves 23 and the second crush-inducing grooves 24 are both formed in a semicircular structure; buffer bar sprue 3 sets up to hull formula structure, has increased the assembly space, easily anticollision roof beam's dismantlement and installation. When the automobile collides, the outer plate of the anti-collision beam bears the front pressure, the energy absorption box is used for collapsing, absorbing energy and transferring force backwards, the impact force is dispersed to the longitudinal beam and the like, and the impact borne during the collision is weakened.

The anti-collision beam outer plate 1 is of an I-shaped structure, the beam body is welded relatively through roll forming, after the cross section of a roll pressing piece is optimized, the weight can be reduced by nearly 15-25%, the space can be saved by nearly 5-10%, materials with higher strength can be selected for the roll pressing type anti-collision beam outer plate, plastic deformation is fully achieved in the machining process, various closed cavity structures are formed, and the anti-collision beam outer plate with the I-shaped structure can still achieve higher strength under the condition of a smaller cross section. One end of the anti-collision beam outer plate 1 is provided with a trailer hook 5, the trailer hook 5 is arranged on the inner side of the energy absorption box 2, and the trailer hook 5 is connected with the anti-collision beam outer plate 1 in a welding mode.

The buffer lever plugging block 3 is connected with the front cabin longitudinal beam through a bolt.

The first energy-absorbing plate 21 and the second energy-absorbing plate 22 are both arranged in a U-shaped structure, and the depth of the first energy-absorbing plate 21 is greater than that of the second energy-absorbing plate 22.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a preceding crashproof roof beam assembly of passenger car which characterized in that:

the energy absorption device comprises an anti-collision beam outer plate, energy absorption boxes arranged at two ends of the anti-collision beam outer plate and a buffer bar block arranged at the bottom ends of the energy absorption boxes, wherein two ends of the buffer bar block are provided with upper edges, the upper edges are attached to the outer walls of the energy absorption boxes, and the cavity of the energy absorption boxes adopts a slope structure at the bending position;

the buffer lever block is of a ship-shell structure.

2. A front impact beam assembly for a passenger vehicle as claimed in claim 1, wherein: the anti-collision beam outer plate is of an I-shaped structure and is formed by rolling.

3. A front impact beam assembly for a passenger vehicle as claimed in claim 2, wherein: and one end of the anti-collision beam outer plate is provided with a towing hook, the towing hook is arranged on the inner side of the energy absorption box, and the towing hook is connected with the anti-collision beam outer plate in a welding manner.

4. A front impact beam assembly for a passenger vehicle as claimed in claim 3, wherein: the buffer lever plugging block is connected with the front cabin longitudinal beam through a bolt.

5. A front impact beam assembly for a passenger vehicle as claimed in claim 4, wherein: the first energy absorption plate and the second energy absorption plate are both of U-shaped structures, and the depth of the first energy absorption plate is larger than that of the second energy absorption plate.