CN219257496U

CN219257496U - B-pillar reinforcing plate assembly

Info

Publication number: CN219257496U
Application number: CN202223326819.6U
Authority: CN
Inventors: 王翠翠; 江三爱; 危国雄
Original assignee: Hunan Longchuang Automotive Technology Co ltd
Current assignee: Hunan Longchuang Automotive Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-27
Anticipated expiration: 2032-12-12

Abstract

The utility model provides a B post reinforcing plate assembly, relate to white automobile body technical field, including B post reinforcing plate and reinforcing patch, be located and set up B post reinforcing plate between B post planking and the B post inner panel, the reinforcing patch is including the cavity board section that is arranged in upper portion and the attendant board section that is arranged in the lower part, two vertical sides of cavity board section and attendant board section all set up on the B post inner panel, the middle part that is located between two vertical sides on the cavity board section is protruding to the protruding section that forms in B post reinforcing plate place side, the middle part that is located between two vertical sides on the attendant board section is to the B post inner panel subsides. The cavity plate section at the middle upper part and the following plate section at the lower part are used for reinforcing the B column, so that the cavity plate section is higher than the strength provided by the following plate section to the B column, the strength of the middle upper part of the B column is higher than that of the lower part of the B column, the deformation of the middle upper part of the B column is small under the action of the top pressure, the deformation of the lower part of the B column is larger than that of the middle upper part of the B column, and the impact energy is absorbed.

Description

B-pillar reinforcing plate assembly

Technical Field

The utility model relates to the technical field of automobiles, in particular to a B column on a white automobile body.

Background

The B-pillar, also called center pillar, is located between the front door and the rear door and is subjected to the pressure of the roof and the front and rear doors, and additional parts such as a front seat belt must be installed inside the B-pillar, so that the B-pillar tends to bulge outwards in order to achieve better force transmission. Generally, a B-pillar assembly includes three layers, a B-pillar inner panel, a B-pillar outer panel, and a B-pillar reinforcement panel located between the B-pillar inner panel and the B-pillar outer panel, respectively. However, the existing B-pillar reinforcing plate is usually a complete sheet metal, so that the upper, middle and lower parts of the B-pillar have the same reinforcing strength, the relatively strong and weak areas are not divided, when external force is applied, particularly under the action of top pressure, the distribution of a better supporting area and a deformation area cannot be performed, the whole deformation of the B-pillar is easy to occur, and the safety of personnel in the vehicle is endangered.

Accordingly, further improvements to the B-pillar reinforcement panel are needed to address the above drawbacks.

Disclosure of Invention

The utility model aims to provide a B-pillar reinforcing plate assembly, which reinforces a B-pillar by comprising a cavity plate section positioned at the middle upper part and a following plate section positioned at the lower part, so that the strength of the cavity plate section to the B-pillar is ensured to be larger relative to the following plate section, the strength of the middle upper part of the B-pillar is ensured to be larger than that of the lower part of the B-pillar, the middle upper part of the B-pillar is enabled to deform slightly under the action of a jacking force, the deformation of the lower part of the B-pillar is not caused to be extruded into the living space of an occupant in a vehicle, and the deformation of the lower part of the B-pillar is larger than that of the middle upper part of the B-pillar, so that impact energy is absorbed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the B column reinforcing plate assembly comprises a B column reinforcing plate and a reinforcing patch plate, wherein the B column reinforcing plate is arranged between a B column outer plate and a B column inner plate, the reinforcing patch plate comprises a cavity plate section positioned at the middle upper part and a following plate section positioned at the lower part, two vertical side edges of the cavity plate section and the following plate section are both arranged on the B column inner plate, the middle part of the cavity plate section positioned between the two vertical side edges protrudes towards the side where the B column reinforcing plate is positioned to form a protruding section, and the middle part of the following plate section positioned between the two vertical side edges is abutted to the B column inner plate; the whole strength of the B column is enhanced through the cavity plate section and the follower plate section, when the B column is impacted by external force, the bulge section is contacted with the B column reinforcing plate, the cavity between the B column reinforcing plate and the B column inner plate is divided into a plurality of cavities by the cavity plate section, so that the force transmission can be realized, the effect of energy absorption can be achieved, the strength of the middle upper part of the B column is ensured to be higher than that of the lower part of the B column, the middle upper part of the B column is deformed less under the action of the external force, particularly the action of the top pressure, the deformation of the lower part of the B column is larger than that of the middle upper part of the B column, and the impact energy is absorbed;

correspondingly, the two vertical side edges are welded with the B column inner plate through a flanging structure; therefore, the welding area is increased, and the firmness and stability of connection are improved;

correspondingly, a plurality of plug welding holes are uniformly formed in the flanging structure; the welding strength is enhanced through the plug welding holes, the stress uniformity is improved, and the dead weight of the reinforcing patch is reduced;

correspondingly, arranging expansion glue at the welding joint of the vertical side edge; the stability of the support is ensured through the expansion glue, and the effects of weight reduction and buffering are achieved;

correspondingly, a plurality of crumple ribs are arranged on the cavity plate section; the crush ribs are used for inducing deformation, so that kinetic energy is effectively converted into deformation energy, and the purpose of absorbing impact energy is achieved;

correspondingly, the surface shape of the convex section corresponds to the shape of the position, opposite to the convex section, of the B-pillar reinforcing plate; therefore, under the action of external force, the convex section can be in fit contact with the B-pillar reinforcing plate, so that the contact area is increased, a force transmission channel is increased, and the stress is effectively dispersed;

correspondingly, a plurality of transverse and longitudinal convex ribs are arranged on the following plate section; the strength of the following plate sections is further enhanced through the convex ribs.

The beneficial effects of the utility model are as follows:

the strength of the B column reinforcing plate is further enhanced by arranging the reinforcing plate, the reinforcing plate comprises a cavity plate section positioned at the middle upper part and a following plate section positioned at the lower part, when external force is impacted, the convex section on the cavity plate section is contacted with the B column reinforcing plate, the contact surface is larger, the force transmission channel is increased, the force is effectively dispersed, a plurality of cavities are formed by the cavity plate section when the force transmission channel is contacted, the effect of energy absorption is realized, the reinforcing effect provided by the front lifting plate section is larger than that provided by the following plate section, the strength of the middle upper part of the B column is larger than that of the lower part of the B column, the deformation of the middle upper part of the B column is small under the action of the top pressure, the living space of passengers in a car is not extruded, the deformation of the lower part of the B column is larger than that of the middle upper part of the B column, the impact energy is absorbed, and the better energy absorption and deformation combined configuration is provided.

Drawings

FIG. 1 is a schematic view of a B-pillar reinforcement plate assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the upper part of the B-pillar in a direction perpendicular to the length of the B-pillar, which is simply called A-A direction view;

FIG. 3 is a schematic view of the lower part of the B-pillar in a direction perpendicular to the length of the B-pillar, which is simply referred to as a B-B direction view, according to an embodiment of the present utility model;

in the figure:

1. b column; 2. a B pillar outer panel; 3. a B-pillar inner panel; 4. a B column reinforcing plate; 51. a cavity plate section; 52. and (5) following the plate sections.

Detailed Description

In the description of the present utility model, it should be understood that terms or positional relationships indicating orientations are based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model.

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

As shown in fig. 1-3, in one embodiment of the present utility model, the B-pillar reinforcement panel assembly includes a B-pillar reinforcement panel 4 and a reinforcement patch panel, the B-pillar reinforcement panel 4 being disposed between the B-pillar outer panel 2 and the B-pillar inner panel 3;

the reinforcing patch comprises an integrally formed (in other embodiments, the reinforcing patch can be arranged in a split mode) cavity plate section 51 positioned at the middle upper part and a follower plate section 52 positioned at the lower part, a plurality of plug welding holes are uniformly formed in two vertical side edges of the cavity plate section 51 and the follower plate section 52 at intervals, the welding strength is enhanced through the plug welding holes, the stress uniformity is improved, the self weight of the reinforcing patch is reduced, expansion glue is arranged at a welding position, the stability of support is guaranteed through the expansion glue, and meanwhile the reinforcing patch has the effects of weight reduction and buffering. The difference between the cavity plate section 51 and the follower plate section 52 is that: the middle part between the two vertical sides on the cavity plate section 51 protrudes to the side where the B-pillar reinforcing plate 4 is located to form a protruding section, the middle part between the two vertical sides on the follower plate section 52 is attached to the B-pillar inner plate 3, and the cavity plate section 51 and the follower plate section 52 are in transition through an arc-shaped bending section. In this embodiment, a protruding section is provided, and the surface shape of the protruding section corresponds to the shape of the relative position of the protruding section on the B-pillar reinforcing plate 4, so that the protruding section can make contact with the B-pillar reinforcing plate 4 under the action of external force, so as to increase the contact area, increase the force transmission channel, effectively disperse the force, and the shape of the follower plate section 52 corresponds to the shape of the B-pillar inner plate 3, so that better contact can be realized. In addition, be provided with many vertical crumple bars on the cavity board section 51, carry out induced deformation through the crumple bars, convert kinetic energy into deformation energy effectively, reach the purpose of absorbing impact energy, set up many horizontal and vertical protruding muscle on the follower board section 52, further strengthen the intensity of follower board section 52 through protruding muscle.

Taking the example of side pressure and top pressure, the convex section on the cavity plate section 51 is contacted with the B column reinforcing plate 4, the contact surface is large, the force transmission channel is increased, the force is effectively dispersed, a plurality of cavities are formed by the cavity plate section 51 during contact, the effect of energy absorption is realized, the weak part of the B column inner plate 3 is reinforced by the following plate section 52, the strength of the B column inner plate 3 is improved, therefore, the integral strength of the B column 1 is enhanced, the strength of the middle upper part of the B column 1 is ensured to be higher than the strength of the lower part of the B column 1, the support and deformation area of the B column 1 is guided, the deformation of the middle upper part of the B column 1 is small, the deformation of the lower part of the B column 1 is larger than the deformation of the middle upper part of the B column 1, the impact energy is absorbed, and the better combined configuration of energy absorption and deformation is provided.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a B post reinforcing plate assembly, includes B post reinforcing plate and strengthens the patch, is located between B post planking and the B post inner panel set up B post reinforcing plate, its characterized in that, strengthen the patch including the cavity board section that is arranged in upper portion and be located the follow plate section of lower part, the cavity board section with two vertical sides of follow plate section all set up in on the B post inner panel, be located two on the cavity board section the middle part between the vertical side to the protruding section that forms in side that the B post reinforcing plate is located, be located two on the follow plate section the middle part between the vertical side to the B post inner panel is leaned on.

2. The B-pillar reinforcement panel assembly of claim 1, wherein both of said vertical sides are welded to said B-pillar inner panel by a burring structure.

3. The B-pillar reinforcement plate assembly of claim 2, wherein a plurality of plug welding holes are uniformly provided on the burring structure.

4. The B-pillar reinforcement panel assembly of claim 2, wherein an expansion glue is provided at the welded connection of the vertical sides.

5. The B-pillar reinforcement plate assembly of claim 1, wherein a plurality of crush ribs are provided on the cavity plate section.

6. The B-pillar reinforcement plate assembly of claim 1, wherein a surface shape of the protruding section corresponds to a shape of the B-pillar reinforcement plate at a position opposite to the protruding section.

7. The B-pillar reinforcement panel assembly of claim 1, wherein a plurality of transverse and longitudinal ribs are provided on said row-by-row panel section.