CN212172150U

CN212172150U - Automobile front bumper beam assembly structure

Info

Publication number: CN212172150U
Application number: CN202020624737.1U
Authority: CN
Inventors: 何涛
Original assignee: Shanghai Suzhen Machinery Manufacturing Co ltd
Current assignee: Shanghai Suzhen Machinery Manufacturing Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-18
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile front bumper beam assembly structure, which comprises a main beam and a pedestrian protection beam, wherein the main beam and the pedestrian protection beam are arranged in the horizontal direction, the main beam is positioned above the pedestrian protection beam and connected with each other through a vertically arranged connecting support, the main beam is provided with a main reinforcing support and a reinforcing rib, the main reinforcing support is positioned at the central position of the main beam and protrudes upwards, and the reinforcing rib is arranged on the front side of the main beam along the length direction of the main beam; and auxiliary reinforcing brackets are arranged on the left side and/or the right side of the main reinforcing bracket. The utility model ensures the structural strength of the front side beam and reduces the problem of easy fracture during collision; when guaranteeing structural strength, increased pedestrian's function, cushioning effect when through the energy-absorbing makes the pedestrian can not be knocked down at once, prevents that the pedestrian from being rolled by the car when car and pedestrian bump.

Description

Automobile front bumper beam assembly structure

Technical Field

The utility model relates to an automobile parts technical field, concretely relates to car front bumper beam assembly structure.

Background

The automobile is provided with a cross beam and a bumper on the front side of an engine compartment, and the cross beam and the bumper are used for absorbing impact generated by collision through deformation when the automobile collides, so that the safety of drivers and passengers is protected. In the beam manufacturing process in the prior art, during welding, the welding heat of the mounting bracket in the middle area of the front beam affects the structural strength of the front beam, and the heat affected zone is closer to the electrophoresis hole, so that the middle position of the front beam is easy to break in the frontal collision process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car front bumper crossbeam assembly structure, solve above technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

a front bumper beam assembly structure of an automobile comprises a main beam, wherein the main beam is horizontally arranged, a pedestrian protection beam is arranged below the main beam and on the front side of the main beam, the pedestrian protection beam is horizontally arranged, and the main beam and the pedestrian protection beam are connected with each other through a vertically arranged connecting support;

the main beam is provided with a main reinforcing bracket and a reinforcing rib, the main reinforcing bracket is positioned at the center of the main beam and protrudes upwards, and the reinforcing rib is arranged on the front surface of the main beam along the length direction of the main beam;

and auxiliary reinforcing brackets are arranged on the left side and/or the right side of the main reinforcing bracket.

The utility model discloses an increase main, vice strengthening support and strengthening rib on the main beam, strengthened the structural strength of main beam.

The back of the main beam is also provided with the reinforcing rib.

The auxiliary reinforcing support is provided with a through hole so that a wiring harness or a binding belt can pass through the auxiliary reinforcing support, and can also be used as an installation buckle so that a hook claw or a buckle structure can be clamped conveniently.

When the number of the auxiliary reinforcing brackets is at least two, the spacing distance between the adjacent auxiliary reinforcing brackets is equal.

The main beam is connected with the energy absorption box backwards, the energy absorption box comprises an upper box body and a lower box body, and the upper box body and the lower box body are of an upper-lower connection structure.

The utility model discloses in, constitute the energy-absorbing box through components of a whole that can function independently structural design, can absorb the striking influence through the separation of components of a whole that can function independently structure when bumping, reduce the impact that transmits the driver's cabin.

The upper box body is connected with the lower box body in a spot welding mode.

The utility model discloses in, change upper and lower energy-absorbing box components of a whole that can function independently structure into spot welding technology by welding process, reduce the cost when guaranteeing intensity, change into spot welding technology simultaneously after, when receiving the collision, the energy-absorbing box warp more easily to can absorb the energy that the impact that the collision brought produced better, reduce the collision injury that automobile body received.

The main beam is connected with the two energy absorption boxes backwards, and the two energy absorption boxes comprise a left energy absorption box and a right energy absorption box which are respectively arranged on the left side and the right side of the main beam.

Any energy absorption box is connected with a bottom plate backwards and is connected with a vehicle body frame through the bottom plate.

The connection mode of the connecting bracket and the main beam and the connection mode of the connecting bracket and the pedestrian protection beam are welded.

Has the advantages that: by adopting the technical scheme, the utility model ensures the structural strength of the front side beam and reduces the problem of easy fracture during collision; in addition, when guaranteeing structural strength, increased pedestrian's function of protecting, the cushioning effect when through the energy-absorbing makes the pedestrian can not be knocked down at once, prevents that the pedestrian from being rolled by the car when car and pedestrian bump.

Drawings

Fig. 1 is a schematic view of an overall structure of the present invention;

fig. 2 is an exploded view of fig. 1.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.

Referring to fig. 1 and 2, a front bumper beam assembly structure for an automobile includes a main beam 100 and a pedestrian protection beam 200, both of which are horizontally disposed. Pedestrian protection crossbeam 200 is located the position that leans on in the below of main beam 100 preceding to contact with personnel preferentially when the collision, play the cushioning effect, can up turn over when people's the following atress simultaneously, reduced the risk of being drawn into the vehicle bottom after falling.

The main cross member 100 and the pedestrian protection cross member 200 are connected to each other by vertically disposed connecting brackets. Two connections, a left connection bracket 301 and a right connection bracket 302, can be provided between the main beam 100 and the pedestrian protection beam.

The main cross beam 100 is provided with a main reinforcing bracket 101 and a reinforcing rib 103, the main reinforcing bracket 101 is positioned at the center of the main cross beam 100 and protrudes upwards, and the reinforcing rib 103 is arranged on the front surface of the main cross beam 100 along the length direction of the main cross beam 100; the main reinforcing brackets 101 are provided with sub reinforcing brackets 102 on the left and/or right side thereof. The secondary reinforcing bracket 102 may be provided with a through-hole for allowing a wire harness or a cable tie to pass therethrough.

To further enhance the strength of the main beam 100, another reinforcing rib (not shown) may be provided on the back surface of the main beam 100.

In some of the embodiments, when at least two secondary reinforcing brackets 102 are provided, the spacing distance between the adjacent secondary reinforcing brackets 102 may be set to be equal.

The main beam 100 is connected with an energy absorption box backwards, and when the main beam is impacted, the impact energy is absorbed through the deformation of the energy absorption box.

In some embodiments, the main beam 100 is connected to two rear crash boxes, including a left crash box 401 and a right crash box 402, respectively disposed on the left and right sides of the main beam 100. Any one of the energy absorption boxes is connected with a bottom plate backwards and is connected with the vehicle body frame through the bottom plate. The structure shown in fig. 1 is viewed from an approximate top view, and thus, the structure shown in the figure has a left crash box 401 connected to a left base plate 501 downward, and a right crash box 402 connected to a right base plate 502 downward.

Any energy absorption box comprises an upper box body and a lower box body which are of an upper connecting structure and a lower connecting structure, and the connecting mode is spot welding. As shown in fig. 2, the left crash box 401 includes a left upper box 4011 and a left lower box 4012, and the right crash box 402 includes a right upper box 4021 and a right lower box 4022.

The utility model discloses in, the connected mode of linking bridge and main beam, linking bridge and pedestrian's protection crossbeam all adopts the welding.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A front bumper beam assembly structure of an automobile comprises a main beam, wherein the main beam is horizontally arranged, and is characterized in that a pedestrian protection beam is arranged below the main beam and on the front side of the main beam, the pedestrian protection beam is horizontally arranged, and the main beam and the pedestrian protection beam are connected with each other through a vertically arranged connecting bracket;

2. The front bumper beam assembly structure for vehicles of claim 1, wherein a back surface of the main beam is also provided with a reinforcing rib.

3. The front bumper beam assembly structure for vehicles of claim 1, wherein the sub-reinforcing brackets are provided with through holes.

4. The front bumper beam assembly structure for vehicles according to claim 3, wherein when at least two of the sub-reinforcing brackets are provided, the adjacent sub-reinforcing brackets are equally spaced apart.

5. The structure of claim 1, wherein the main beam is connected to a rear end of the energy-absorbing box, and the energy-absorbing box comprises an upper box and a lower box, which are connected in an up-down manner.

6. The automobile front bumper beam assembly structure according to claim 5, wherein the upper case and the lower case are connected by spot welding.

7. The automobile front bumper beam assembly structure as claimed in claim 5 or 6, wherein the main beam is connected with two energy-absorbing boxes backwards, and the two energy-absorbing boxes comprise a left energy-absorbing box and a right energy-absorbing box which are respectively arranged on the left side and the right side of the main beam.

8. The vehicle front bumper beam assembly structure of claim 7, wherein any of said crash boxes is connected rearwardly to a floor panel through which the body frame is connected.

9. The automobile front bumper beam assembly structure according to any one of claims 1 to 6, wherein the connecting bracket and the main beam and the connecting bracket and the pedestrian protection beam are connected by welding.