CN220130214U - Load-dividing beam, threshold structure and automobile - Google Patents

Abstract

The utility model discloses a load-dividing beam, a threshold structure and an automobile, comprising: the supporting beam body is used for buffering the impact of the outer plate of the threshold to the inner plate direction of the threshold, the installation part is arranged on the supporting beam body, the split load beam replaces a plurality of supporting structures in the prior art through an integral split load beam, the number of parts is reduced on the basis of meeting the requirements of collision performance, factory installation technology and the like, and the weight and cost of the whole vehicle are reduced.

Description

Load-dividing beam, threshold structure and automobile

Technical Field

The utility model belongs to the technical field of automobile doorsills, and particularly relates to a load-dividing beam, a doorsill structure and an automobile.

Background

The threshold structure mainly comprises planking 6', inner panel 5' and bearing structure, and planking 6 'is the roll-in sheet metal component generally, and inner panel 5' is the punching press sheet metal component generally, and is the sheet metal part generally, and rigidity, intensity are all weaker relatively, mainly rely on bearing structure in the middle of the inside and outside threshold to increase holistic rigidity and intensity, and then satisfy collision, NVH, intensity scheduling requirement.

In the prior art, as shown in fig. 1, a first supporting structure 1 'is formed by stamping a high-strength plate, is in an L-shaped structure, is welded with a threshold outer plate 6', and mainly has the functions of supporting the outer plate 6', preventing the threshold outer plate 6' from deforming during frontal collision and offset collision, and has limited functions on side collision of a column collision;

the second supporting structure 2 'and the third supporting structure 3' are composed of two box-shaped structural brackets, 1 box-shaped bracket is welded with the inner door sill plate 5', 1 box-shaped bracket is welded with the outer door sill plate 6', while the energy absorption effect can be achieved in the column collision process, the number of the brackets is too large, the two brackets are required to be separately welded with the inner door sill plate 5 'and the outer door sill plate 6', and effective connection cannot be formed due to the influence of the welding process sequence;

the fourth support structure 4' is welded to the rocker outer panel 6' and, for collision energy absorption, the fourth support structure 4'Y needs to be supported to the rocker inner panel 5', which increases the stamping difficulty, and because of the welding process sequence problem, the fourth support structure 4' cannot form an effective connection with the rocker inner panel 5', which may cause the rocker outer panel 6' to turn up during the column collision, thereby causing the underfloor to be compressed to the battery.

In view of the above, the existing threshold increases a plurality of supporting structures and welding points, the process is complex, and the weight and cost of the whole vehicle are increased.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides a split load beam, and solves the problems that a threshold is added with a plurality of supporting structures and welding points, the process is complex, and the weight and the cost of the whole vehicle are increased.

In order to achieve the above object, the present utility model provides a split load beam, comprising:

the supporting beam body is used for buffering the impact of the outer plate of the threshold towards the inner plate of the threshold;

and a mounting part arranged on the support beam body.

Optionally, the support beam body includes:

the section of the main body is in an isosceles trapezoid shape, and the mounting part is arranged at the tail end of the main body;

and the cavity axially penetrates through the main body.

Optionally, one or more partitions are disposed in the cavity, and the partitions divide the cavity into a plurality of sub-cavities.

Optionally, the support beam body is an aluminum-plastic beam.

Optionally, the support beam body is provided with weeping holes.

A threshold structure comprising:

a rocker inner panel and a rocker outer panel;

the load sharing beam is arranged between the threshold inner plate and the threshold outer plate.

Optionally, the supporting beam body tip is outwards set up, be provided with the installing support on the threshold inner panel, the tail end of dividing the year roof beam passes through the installation department with the installing support can dismantle and be connected.

Optionally, the threshold inner plate and the threshold outer plate are connected to form a placement cavity, and the load dividing beam is arranged in the placement cavity.

Optionally, the rocker inner panel and the rocker outer panel are C-shaped.

An automobile comprises the threshold structure.

The utility model provides a split load beam, which has the beneficial effects that:

1. the load-dividing beam replaces a plurality of supporting structures in the prior art through an integral load-dividing beam, reduces the number of parts and reduces the weight and cost of the whole vehicle on the basis of meeting the requirements of collision performance, factory installation process and the like.

2. The threshold is based on meeting the requirements of collision performance, factory installation technology and the like, the number of parts is reduced, the weight and cost of the whole car are reduced, the traditional steel-aluminum connection mode realized through riveting is canceled, connection is performed through a screwed connection mode, and the input cost of factory increased riveting equipment is reduced.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.

Fig. 1 shows a schematic view of a prior art threshold.

Reference numerals illustrate:

1', a first support structure; 2', a second support structure; 3', a third support structure; 4', a fourth support structure; 5', a threshold inner plate; 6', a threshold outer plate; .

Fig. 2 shows a schematic structural view of a load beam according to an embodiment of the utility model.

Fig. 3 shows a schematic structural view of a threshold according to an embodiment of the utility model.

Reference numerals illustrate:

1. a support beam body; 2. a cavity; 3. a mounting part; 4. a weeping hole; 5. a mounting bracket; 6. a rocker inner panel; 7. and a threshold outer plate.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 2-3, a load beam, comprising:

a support beam body 1 for cushioning an impact of the rocker outer panel 7 in the direction of the rocker inner panel 6;

and a mounting part 3 provided on the support beam body.

Specifically, the support beam body 1 is connected with the threshold inner plate 6 through the mounting portion 3, and replaces a plurality of support structures in the prior art through an integral load-dividing beam, so that the number of parts is reduced, and the weight and cost of the whole vehicle are reduced on the basis of meeting the requirements of collision performance, factory mounting technology and the like.

In this embodiment, the support beam body 1 includes:

the section of the main body is in an isosceles trapezoid shape, and the mounting part 3 is arranged at the tail end of the main body;

the cavity 2, the cavity 2 runs through the main part axially.

Specifically, the support strength is ensured through isosceles trapezoid, deformation is ensured through the cavity 2, and collision energy can be fully absorbed by combining the isosceles trapezoid with the cavity 2 in side column collision.

Further, the section of the load-dividing beam forms a trapezoid shape.

In this embodiment, one or more baffles are provided within the cavity 2, the baffles dividing the cavity into a plurality of subcavities.

Specifically, the cavity is divided into a plurality of sub-cavities through the partition plate, so that the buffer capacity is ensured, and the supporting strength is improved.

In this embodiment, the support beam body 1 is an aluminum-plastic beam.

Specifically, the aluminum alloy has good deformability, so that energy generated by column collision can be effectively absorbed in the process of column collision, and the effects of buffering and energy absorption are achieved, thereby improving the safety performance of the column collision on the side surface and further ensuring the safety of a battery pack and passengers.

In this embodiment, the support beam body 1 is provided with weep holes 4.

Specifically, the weeping hole 4 penetrates through the cavity 2, and the electrophoresis liquid is filtered through the weeping hole 4 during electrophoresis, so that the problem of poor electrophoresis caused by blocking of the aluminum alloy load beam is avoided.

A threshold structure comprising:

a rocker inner panel 6 and a rocker outer panel 7;

the aforementioned load beam is provided between the rocker inner panel 6 and the rocker outer panel 7.

In this embodiment, the support beam body 1 is provided with a mounting bracket 5 at the tip thereof and the rocker inner panel 6 is provided with a mounting bracket 5 at the rear end thereof, and the rear end of the load beam is detachably connected to the mounting bracket 5 via the mounting portion 3.

Specifically, through installing support 5 and installation department 3 threaded connection, avoid steel aluminium to connect the problem that adopts riveting professional equipment, reduced the input of mill's equipment.

Further, the supporting structure shown in fig. 1 is omitted between the threshold inner plate 6 and the threshold outer plate 7, the number of parts is reduced, welding spots between metal plates are reduced, the installation process is simplified, 4 load beam installation holes are designed on the load beam, and the mounting support 5 is fixed through the installation nuts, so that the difficulty of steel-aluminum connection is reduced.

In the present embodiment, the rocker inner panel 6 and the rocker outer panel 7 are connected to form a placement cavity, and the load-dividing beam is disposed in the placement cavity.

In the present embodiment, the rocker inner panel 6 and the rocker outer panel 7 are C-shaped.

An automobile comprises the threshold structure.

When the threshold of the embodiment is used, taking the automobile as an example, the mounting bracket 5 is welded with the threshold inner plate 6, then the split load beam is mounted, the threshold outer plate 7 is mounted to form the threshold, and the threshold and the automobile body are assembled and then subjected to uniform electrophoretic spraying.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.

Claims (9)

1. A load beam, comprising:

the supporting beam body is used for buffering the impact of the outer plate of the threshold towards the inner plate of the threshold;

a mounting portion provided on the support beam body;

the support beam body includes:

the section of the main body is in an isosceles trapezoid shape, and the mounting part is arranged at the tail end of the main body;

and the cavity axially penetrates through the main body.

2. A load beam according to claim 1, wherein one or more baffles are provided within the cavity, the baffles dividing the cavity into a plurality of sub-cavities.

3. The load beam of claim 1, wherein the support beam body is an aluminum-plastic beam.

4. A load beam according to claim 1, wherein the support beam body is provided with weep holes.

5. A threshold structure, comprising:

a rocker inner panel and a rocker outer panel;

the load beam according to any one of claims 1 to 4, being disposed between the rocker inner panel and the rocker outer panel.

6. A rocker structure according to claim 5, wherein the support beam body is provided with a mounting bracket at a tip end thereof, and the rear end of the load beam is detachably connected to the mounting bracket via the mounting portion.

7. A rocker structure as claimed in claim 5, wherein the rocker inner panel and the rocker outer panel are joined to form a seating cavity, and the load-dividing beam is disposed in the seating cavity.

8. A rocker structure as claimed in claim 5, wherein the rocker inner panel and the rocker outer panel are C-shaped.

9. An automobile, characterized by comprising a rocker structure according to any one of claims 5-8.