CN211969595U

CN211969595U - Threshold roof beam additional strengthening and threshold roof beam

Info

Publication number: CN211969595U
Application number: CN201922197924.6U
Authority: CN
Inventors: 郭启新; 陈新
Original assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Current assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-11-20
Anticipated expiration: 2029-12-10

Abstract

The application discloses threshold roof beam additional strengthening and threshold roof beam. Threshold roof beam additional strengthening is including setting up first reinforcing plate and the second reinforcing plate in the threshold roof beam, first reinforcing plate with the second reinforcing plate encloses into the cavity be provided with the backup pad in the cavity. According to the utility model discloses a threshold roof beam additional strengthening can improve the security performance of whole car side post collision.

Description

Threshold roof beam additional strengthening and threshold roof beam

Technical Field

The utility model relates to an automotive filed particularly, relates to a threshold roof beam additional strengthening and have such threshold roof beam additional strengthening's threshold roof beam.

Background

With the improvement of the standard of living, the holding amount of the motor vehicle is rapidly increased. Meanwhile, the number of casualties in road traffic accidents and accidents is also rapidly increasing. An automobile side pillar collision accident is a common type of accident.

Chinese updated the quotation of the national standard of occupant protection for automobile side column collision in 2016 (4 months). The standard puts specific requirements on a test method and a safety evaluation method of vehicle side column collision. In a side column crash condition, the test vehicle impacts the crash rigid column at a speed of 32km/h, 75 degrees of crash angle. Excessive body deformation during a collision reduces occupant living space and affects occupant safety. Meanwhile, the strength of the door structure, the body B-pillar structure and the body rocker structure directly determines the amount of intrusion deformation of the body structure, and it is seen that the strength of the body rocker structure is particularly important in a rational design.

A threshold beam structure in a vehicle body threshold beam structure is composed of a threshold beam outer plate and a threshold beam inner plate, and the threshold beam structure under the working condition of side pillar collision is not reasonably considered in bearing strength, so that the side collision resistance is poor, as shown in figure 1.

In order to effectively improve the safety performance of the collision of the side pillar of the whole automobile, maintain the integrity and the strength of a doorsill beam structure of the automobile body and finally protect the safety of passengers, it is necessary to design a doorsill beam reinforcing structure which is beneficial to the safety of the collision of the side pillar of the automobile.

SUMMERY OF THE UTILITY MODEL

The utility model provides a threshold roof beam additional strengthening, it can improve the security performance of whole car side post collision.

According to the utility model discloses a threshold roof beam additional strengthening that one aspect provided, including first reinforcing plate and the second reinforcing plate of setting in the threshold roof beam, first reinforcing plate with the cavity is enclosed into to the second reinforcing plate be provided with the backup pad in the cavity.

According to the utility model discloses a threshold roof beam additional strengthening that one aspect provided, first reinforcing plate with the second reinforcing plate is constructed for the U-shaped and is constructed differently respectively, first reinforcing plate with the second reinforcing plate has the turn-ups respectively and first reinforcing plate with the second reinforcing plate passes through the turn-ups welding is in the same place.

According to the utility model discloses a threshold roof beam additional strengthening that an aspect provided, first reinforcing plate with the inboard surface welding of second reinforcing plate and threshold roof beam planking to pass through the structural adhesive with the inboard surface of threshold roof beam inner panel and be connected.

According to the utility model discloses a threshold roof beam additional strengthening that an aspect provided, the backup pad includes outside welded surface, inboard welded surface, top welded surface and bottom welded surface, and they weld respectively in the cavity.

According to the utility model discloses a threshold roof beam additional strengthening that an aspect provided, the backup pad includes strengthening rib and fabrication hole, the strengthening rib is used for strengthening the support, the fabrication hole is used for location and electrophoresis weeping.

According to the utility model discloses a threshold roof beam additional strengthening that an aspect provided, first reinforcing plate the second reinforcing plate and the backup pad is respectively by the integrative stamping forming of steel sheet.

According to the utility model discloses a threshold roof beam additional strengthening that an aspect provided, first reinforcing plate with the thickness of second reinforcing plate is 1.5 ~ 2.2 millimeters and length is 1700 ~ 1900 millimeters, turn-ups width is 15 ~ 20 millimeters, the height of cavity is 70 ~ 100 millimeters.

According to the utility model discloses a threshold roof beam additional strengthening that an aspect provided, the thickness of backup pad is 1.0 ~ 1.5 millimeters, the outside plane of welding inboard plane of welding top plane of welding and bottom plane of welding's width is 15 ~ 25 millimeters.

According to the utility model discloses a threshold roof beam additional strengthening that one aspect provided, first reinforcing plate with the second reinforcing plate extends in the threshold roof beam and extends No. two crossbeams in floor, No. three crossbeams in floor, No. four crossbeams in floor and B post.

Furthermore, the utility model provides a threshold roof beam with such threshold roof beam additional strengthening. Since this threshold roof beam has according to the utility model discloses a threshold roof beam additional strengthening, consequently can have as above advantage.

The beneficial effects of the utility model include: through the first reinforcing plate, the second reinforcing plate and the supporting plate which are arranged, the sill beam reinforcing structure can reinforce the bending resistance of the sill beam structure of the automobile body, effectively transmit the collision force of side column collision, control the deformation of the automobile body structure, ensure the living space of passengers, improve the safety performance of the side column collision of the whole automobile and effectively protect the safety of the passengers.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts unless otherwise specified. Wherein:

fig. 1 schematically shows a prior art threshold beam;

fig. 2 schematically shows a threshold beam with a threshold beam reinforcement according to an embodiment of the invention;

FIG. 3 schematically illustrates, in side view, a first reinforcement panel and a second reinforcement panel in the rocker reinforcement of FIG. 2;

fig. 4 schematically shows in an enlarged view a support plate in the rocker reinforcement in fig. 2.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.

An embodiment according to the present invention is shown in conjunction with fig. 2 to 4, in which it can be seen that: the sill beam reinforcement comprises two U-shaped reinforcement plates 10 with flanges of different depths (i.e. a first reinforcement plate 10a and a second reinforcement plate 10 b) and several support plates 20. The sill beam reinforcing structure is welded in a sill beam structure of the automobile body, penetrates through the front end and the rear end of the whole sill plate, and is in lap joint with the second floor beam, the third floor beam, the fourth floor beam and the rear end of the B-pillar structure. The U-shaped reinforcing plate 10 with the flanging comprises an upper welding plane 11, a lower welding plane 15 and a supporting cavity 13, wherein the upper welding plane 11 and the lower welding plane 15 are formed by flanging, and the upper welding plane 11 and the lower welding plane 15 are perpendicular to the upper edge and the lower edge of the supporting cavity 13. The upper welding plane 11 and the lower welding plane 15 of the U-shaped reinforcing plate are respectively welded with the inner side surface of the outer plate 2b of the sill beam, play roles in connection and reinforcement and are parallel to the inner side surface of the outer plate of the sill beam. The supporting cavity 13 formed by the two U-shaped reinforcing plates plays a bearing role, is glued with the inner side surface of the inner plate 2a of the sill beam and plays a role in connection and reinforcement. The support plate 20 of the sill beam reinforcement is welded in the support cavity 13 formed by the two U-shaped reinforcement plates to play a supporting role. The support plate 20 of the rocker reinforcement includes an outer weld plane 21, an inner weld plane 27, a top weld plane 29, a bottom weld plane 31, a reinforcement rib 25, and a fabrication hole 23. The outer welding plane 21, the inner welding plane 27, the top welding plane 29 and the bottom welding plane 30 of the support plate are respectively welded with four surfaces of the support cavity 13 formed by the two U-shaped reinforcing plates. Several support plates 20 are arranged in the support cavity 13 formed by the two U-shaped stiffening plates. Preferably, the supporting plates are arranged at the front end face and the rear end face of the supporting cavity 13 formed by the two U-shaped reinforcing plates and at positions corresponding to the second floor beam, the third floor beam, the fourth floor beam and the B column structure. The body of the support plate 20 is provided with transverse reinforcing ribs 25 and process holes 23, the transverse reinforcing ribs 25 play a role in reinforcing and supporting, and the process holes 23 play a role in positioning and electrophoresis liquid leakage. The two

U-shaped reinforcing plates

10a,10b of the rocker reinforcement structure having different depths and the support plate 20 are integrally stamped and formed from a steel plate, respectively. The preferred design of the two U-shaped reinforcing plates 10 takes into account the strength of the connection, the distance of the overlapping spaces: the thickness of the U-shaped reinforcing plate 10 is preferably 1.5-2.0 mm; the length of the U-shaped reinforcing plate 10 is preferably 1700-1900 mm; the width of the upper welding plane 11 and the lower welding plane 15 of the U-shaped reinforcing plate is preferably 15-20 mm; the width of the U-shaped reinforcing plate supporting cavity 13 is preferably 70-100 mm. The preferred design of the support plate 20, in view of support strength, spatial arrangement and mass cost: the thickness of the support plate 20 is preferably 1.0-1.5 mm; the height and width of the supporting plate 20 are determined according to the size of the U-shaped reinforcing plate supporting cavity 13; the widths of the outer welding plane 21, the inner welding plane 27, the top welding plane 29 and the bottom welding plane 31 of the support plate 20 are preferably 15-25 mm. According to the utility model discloses a threshold roof beam additional strengthening can strengthen automobile body threshold beam structure's intensity effectively, improves the security performance of whole car side post collision.

According to the utility model discloses a threshold roof beam additional strengthening welds in automobile body threshold beam structure, strengthens automobile body threshold beam structure's bending resistance, and the impact that bumps the side effectively transmits to for example No. two crossbeams in floor, No. three crossbeams in floor and B post structure to control the deflection of automobile body in bumping the side, guaranteed passenger's living space, improved the security performance of whole car side post collision and protected passenger's safety effectively. The stronger bending resistance ensures the strength of the vehicle body threshold beam structure and controls the intrusion deformation amount of the vehicle body threshold beam structure. Furthermore, according to the utility model discloses a threshold roof beam additional strengthening still has advantages such as simple structure, simple to operate.

The utility model discloses still include a threshold roof beam, have the threshold roof beam additional strengthening of aforementioned arbitrary one or more embodiments, the technical characterstic that its consequently has and the technological effect that has correspond to preceding description, and the rethread is no longer described herein.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. The utility model provides a threshold roof beam additional strengthening, its characterized in that, threshold roof beam additional strengthening is including setting up first reinforcing plate and the second reinforcing plate in the threshold roof beam, first reinforcing plate with the second reinforcing plate encloses into the cavity be provided with the backup pad in the cavity, first reinforcing plate with the second reinforcing plate constructs for U-shaped and structure the difference respectively, first reinforcing plate with the second reinforcing plate have the turn-ups respectively and first reinforcing plate with the second reinforcing plate passes through the turn-ups welding is in the same place.

2. The rocker beam reinforcement of claim 1, wherein the first and second gussets are welded to an inner side surface of the outer rocker beam panel and are joined to an inner side surface of the inner rocker beam panel by structural glue.

3. The rocker beam reinforcement of claim 1, wherein the brace plate includes an outboard weld plane, an inboard weld plane, a top weld plane, and a bottom weld plane that are each welded in the cavity.

4. The rocker beam reinforcement of claim 1, wherein the support panel includes reinforcing ribs for reinforcing the support and tooling holes for locating and electrophoretic weeping.

5. The rocker beam reinforcement of claim 1, wherein the first reinforcement plate, the second reinforcement plate, and the support plate are each integrally stamped and formed from sheet steel.

6. The rocker beam reinforcement structure of claim 1, wherein the first and second reinforcement plates have a thickness of 1.5-2.2 mm and a length of 1700-1900 mm, the flanges have a width of 15-20 mm, and the cavity has a height of 70-100 mm.

7. The rocker beam reinforcement of claim 3, wherein the thickness of the bolster plate is 1.0-1.5 mm, and the width of the outboard weld plane, the inboard weld plane, the top weld plane, and the bottom weld plane is 15-25 mm.

8. The rocker beam reinforcement of claim 1, wherein the first and second reinforcement plates extend through floor number two, floor number three, floor number four, and the B-pillar in the rocker beam.

9. A rocker beam characterized in that it incorporates the rocker beam reinforcement structure according to any one of claims 1 to 8.