CN209535222U - An automobile B-pillar reinforcement plate structure - Google Patents

Abstract

The utility model discloses a B-pillar reinforcement plate structure of an automobile, which comprises a vertical B-pillar reinforcement plate with a long strip structure as a whole. The lower side sill is connected and fixed; it is characterized in that the connecting structure includes a section of vertical connecting plate at the lower end of the B-pillar reinforcement plate, and the connecting plate is used for inserting the lower side sill inner panel provided on the inner side of the lower side sill and the lower side sill between them, and are overlapped and fixed on the inner side surface of the lower side sill inner panel, and a number of strength-weakening through holes penetrating through the thickness direction of the connecting plate are provided on the connecting plate. The utility model has the advantages of being able to better protect drivers and passengers, better absorb energy caused by collisions, and improve the safety of drivers and passengers.

Description

An automobile B-pillar reinforcement plate structure

technical field

The utility model relates to the technical field of automobiles, in particular to an automobile B-pillar reinforcement plate structure.

Background technique

At present, the development of new energy vehicles is a key direction for my country to move from a manufacturing power to a manufacturing power. Compared with traditional fuel vehicles, electric vehicles will cause more negative effects in the event of a collision. In addition to the damage received, hazards such as fire and explosion caused by the battery being squeezed, and failure of the installation point must also be considered.

The battery pack is mostly arranged under the floor. In order to ensure that the power battery is not squeezed in the event of a collision, the battery mounting bracket and the battery pack are designed to be stronger. Therefore, after the lateral strength of the body bottom increases, the deformation of the floor and sill beams in the lower area of the body will decrease. The energy that reduces the collision cannot be effectively released in the lower part, so that the upper body bears more energy, resulting in excessive deformation of the upper body structure and injury to the occupants.

Therefore, how to provide a car B-pillar reinforcement plate structure that can better protect drivers and passengers, better absorb the energy caused by collisions, and improve the safety of drivers and passengers has become a technology to be solved by those skilled in the art. question.

Utility model content

Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by the utility model is: how to provide a car B that can better protect the drivers and passengers, can better absorb the energy caused by the collision, and can improve the safety of the drivers and passengers. Column reinforced plate structure.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

An automobile B-pillar reinforcement plate structure, comprising an overall elongated and vertical B-pillar reinforcement plate, the lower end of the B-pillar reinforcement plate is provided with a connection structure and is used to connect and fix with the side sill inside the automobile side wall outer panel ; It is characterized in that the connection structure includes a section of vertical connection plate at the lower end of the B-pillar reinforcement plate, the connection plate is used to be inserted between the side sill and the side sill inner panel provided on the inner side of the side sill, and overlapped The connecting plate is fixed on the inside surface of the inner panel of the side sill, and the connecting plate is provided with a plurality of through holes for strength weakening penetrating through the thickness direction of the connecting plate.

In this way, when a collision occurs, the upper section of the B-pillar corresponds to the part above the abdomen of the human body that needs to be protected, and the intrusion of the upper section of the B-pillar is required to be smaller in the event of a collision; the lower section of the B-pillar corresponds to the area of the human body's legs. In the event of a collision, the required amount of intrusion can be greater than that of the upper section of the B-pillar. The connection plate is provided with a number of through holes for strength weakening through the thickness direction of the connection plate, which makes the strength of the connection plate lower and reduces the effective connection with the inner panel of the lower side sill, and the corresponding B-pillar reinforcement plate can be more easily deformed from this position , so as to absorb the energy generated by the collision. This induced deformation structure can effectively control the deformation mode of the lower end of the B-pillar, absorb the energy received by the impact of the side impact to a greater extent, ensure that the load on the upper part is reduced, reduce the intrusion of the upper part of the B-pillar, and increase the Occupant living space, improve safety.

As an optimization, the strength-weakening through hole is a rectangular hole with an open lower end.

In this way, the strength of the connecting plate can be better weakened, so that its deformation can be better induced, so that the work is more reliable.

As an optimization, the strength-weakening through hole is arranged at a middle position in the width direction of the connecting plate.

In this way, the design is more reasonable, and the connecting plate can be better deformed.

As an optimization, the two sides in the width direction of the upper end of the B-pillar reinforcement respectively extend outward, so that the upper end of the B-pillar reinforcement is integrally formed with a connecting plate, and the two ends of the connecting plate are respectively used to form an upper edge with the inner side of the outer panel of the side wall of the vehicle. The front section of the beam reinforcement plate is connected and fixed with the rear section of the roof sill reinforcement panel, so that the connecting plate forms a middle section of the roof sill reinforcement panel for connecting the front section of the roof sill reinforcement panel with the rear section of the roof sill reinforcement panel.

In this way, by designing the B-pillar reinforcement as a T-shaped structure, the middle section of the roof sill reinforcement can better connect the front section of the roof sill reinforcement to the rear section of the roof sill reinforcement, and it is more convenient for the B-pillar reinforcement to connect with the upper side. The connection between the front section of the beam stiffener and the rear section of the top side sill stiffener. It can make the length of the entire upper side beam reinforcement plate smaller, and facilitate transportation.

As an optimization, the connecting plate is bent vertically as a whole to form a U-shaped plate structure with the opening inclined downward, and the vertical ends of the connecting plate are respectively used to connect with the inner side of the front section of the roof side sill reinforcement panel and the rear section of the roof side sill reinforcement panel It is fixed, and can make the upper side sill reinforcement plate and the connecting plate jointly form a hollow buffer chamber.

In this way, the upper end of the B-pillar of the side wall assembly is a position with a relatively large bearing force, so that the front section of the top side sill reinforcement plate, the rear section of the top side sill reinforcement plate, and the middle section of the top side sill reinforcement plate jointly form a hollow buffer chamber, and because the top side sill reinforcement The middle section of the plate is a U-shaped plate structure, so that compared with the superimposed structure, the formed buffer chamber has a larger cross-sectional area, which can better make the upper end of the B-pillar of the side panel assembly have greater strength, and can better resistance to shock loads. Can improve security.

As an optimization, the upper end of the connecting plate has at least a partially outwardly bent and extended horizontal support section, and a skylight reinforcement ring installation hole is provided on the support section.

In this way, forming a skylight reinforcement ring mounting hole on the middle section of the upper side sill reinforcement plate can achieve the purpose of saving one member.

As an optimization, the material of the B-pillar reinforcement plate is hot stamping steel.

In this way, the B-pillar reinforcement plate has better mechanical properties, high strength, and better formability.

Description of drawings

Fig. 1 is a schematic structural view of a side panel assembly using the structure of the utility model (the structure of the rear wheel housing part and its corresponding part in the rear section is omitted in the figure).

FIG. 2 is an exploded schematic diagram of FIG. 1 .

Fig. 3 is a partial sectional view of Fig. 1 .

Fig. 4 is a schematic diagram of the connection between the rear wheel housing assembly and the side wall assembly of the present invention.

Figure 5 is a schematic diagram of another angle of Figure 4 (only the C-pillar reinforcement plate, the rear wheel house inner panel reinforcement plate and the cross member assembly on the rear floor of the vehicle body are shown in the figure).

In the figure: roof sill reinforcement 1, B-pillar reinforcement 2, B-pillar inner panel 3, front section of roof sill reinforcement 4, rear section of roof sill reinforcement 5, middle section of roof sill reinforcement 6, sunroof reinforcement ring mounting hole 7, Lower side sill inner panel 8, connecting plate 9, through hole 10, rear wheelhouse assembly 11, C-pillar reinforcement panel 12, rear wheelhouse inner panel 13, rear wheelhouse inner panel reinforcement panel 14, rear floor upper beam assembly 15. The upper part of the reinforcement plate of the inner panel of the rear wheel house 16, and the lower part of the reinforcement plate of the inner panel of the rear wheel house 17.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

During specific implementation: as shown in Fig. 1 to Fig. 5, a kind of automobile B-pillar reinforcing plate structure comprises the vertical B-pillar reinforcing plate 2 of elongated structure as a whole, and the lower end of B-pillar reinforcing plate is provided with connection structure And it is used for connecting and fixing with the side sill inside the side wall outer panel of the automobile; it is characterized in that the connection structure includes a section of vertical connecting plate 9 at the lower end of the B-pillar reinforcement plate, and the connecting plate is used to be plugged in between the side sill and the side sill. The inside of the side sill is provided between the inner panels of the side sill, and is overlapped and fixed on the inner side of the inner panel of the side sill, and the connection plate is provided with a plurality of through holes 10 for strength weakening through the thickness direction of the connection plate.

In this way, when a collision occurs, the upper section of the B-pillar corresponds to the part above the abdomen of the human body that needs to be protected, and the intrusion of the upper section of the B-pillar is required to be smaller in the event of a collision; the lower section of the B-pillar corresponds to the area of the human body's legs. In the event of a collision, the required amount of intrusion can be greater than that of the upper section of the B-pillar. The connection plate is provided with a number of through holes for strength weakening through the thickness direction of the connection plate, which makes the strength of the connection plate lower and reduces the effective connection with the inner panel of the lower side sill, and the corresponding B-pillar reinforcement plate can be more easily deformed from this position , so as to absorb the energy generated by the collision. This induced deformation structure can effectively control the deformation mode of the lower end of the B-pillar, absorb the energy received by the impact of the side impact to a greater extent, ensure that the load on the upper part is reduced, reduce the intrusion of the upper part of the B-pillar, and increase the Occupant living space, improve safety.

In this specific embodiment, the strength weakening through hole 10 is a rectangular hole with an open lower end.

In this way, the strength of the connecting plate can be better weakened, so that its deformation can be better induced, so that the work is more reliable.

In this specific embodiment, the strength-weakening through hole 10 is arranged at the middle position in the width direction of the connecting plate.

In this way, the design is more reasonable, and the connecting plate can be better deformed.

In this specific embodiment, the two sides in the width direction of the upper end of the B-pillar reinforcement plate respectively extend outward, so that the upper end of the B-pillar reinforcement plate is integrally formed with a connecting plate, and the two ends of the connecting plate are respectively used to connect with the inner side of the automobile side wall outer panel. The front section of the roof sill reinforcement plate is connected and fixed with the rear section of the roof sill reinforcement panel, so that the connecting plate forms the middle section 6 of the roof sill reinforcement panel for connecting the front section of the roof sill reinforcement panel to the rear section of the roof sill reinforcement panel.

In this way, by designing the B-pillar reinforcement as a T-shaped structure, the middle section of the roof sill reinforcement can better connect the front section of the roof sill reinforcement to the rear section of the roof sill reinforcement, and it is more convenient for the B-pillar reinforcement to connect with the upper side. The connection between the front section of the beam stiffener and the rear section of the top side sill stiffener. It can make the length of the entire upper side beam reinforcement plate smaller, and facilitate transportation.

In this specific embodiment, the connecting plate is bent vertically as a whole to form a U-shaped plate structure with an opening inclined downward, and the vertical ends of the connecting plate are respectively used to connect with the front section of the roof side sill reinforcement plate and the rear section of the roof side sill reinforcement plate. The inner side surfaces are connected and fixed, and can make the top side sill reinforcement plate and the connecting plate jointly form a hollow buffer chamber.

In this way, the upper end of the B-pillar of the side wall assembly is a position with a relatively large bearing force, so that the front section of the top side sill reinforcement plate, the rear section of the top side sill reinforcement plate, and the middle section of the top side sill reinforcement plate jointly form a hollow buffer chamber, and because the top side sill reinforcement The middle section of the plate is a U-shaped plate structure, so that compared with the superimposed structure, the formed buffer chamber has a larger cross-sectional area, which can better make the upper end of the B-pillar of the side panel assembly have greater strength, and can better resistance to shock loads. Can improve security.

In this specific embodiment, the upper end of the connecting plate has at least a partially outwardly bent and extended horizontal support section, and a sunroof reinforcement ring installation hole 7 is provided on the support section.

In this way, forming a skylight reinforcement ring mounting hole on the middle section of the upper side sill reinforcement plate can achieve the purpose of saving one component.

In this specific embodiment, the material of the B-pillar reinforcing plate is hot stamping steel.

In this way, the B-pillar reinforcement plate has better mechanical properties, high strength, and better formability.

The technical solution also discloses an automobile side wall assembly structure, including a side wall outer panel, a top side sill reinforcement plate is arranged on the inner side of the upper side sill of the side wall outer panel, and an inner side of the B-pillar provided by the side wall outer panel The B-pillar reinforcement plate made of hot stamping steel and the B-pillar inner panel are superimposed in sequence; the lower end of the B-pillar reinforcement plate is connected and fixed to the side sill inside the side wall outer panel; the upper side sill reinforcement plate includes mutually independently set The front section of the roof side sill reinforcement panel and the rear section of the roof side sill reinforcement panel are arranged at intervals in the front and rear directions; the front side of the upper end of the B-pillar reinforcement panel is connected and fixed to the front section of the roof side sill reinforcement panel, The rear side of the upper end of the B-pillar reinforcement plate is connected and fixed to the rear section of the roof side beam reinforcement plate.

In this way, the upper side beam reinforcement plate is designed into two pieces, which can be conveniently processed and manufactured separately. Compared with the integral structure of the upper side beam reinforcement plate, it has the advantages of convenient transportation and better reduction of deformation during transportation. Moreover, the front section of the roof side sill reinforcement panel and the rear section of the roof side sill reinforcement panel are arranged at intervals, and the two intervals are connected through the upper end of the B-pillar reinforcement panel, which can reduce the material required for stamping and reduce costs. In addition, the B-pillar reinforcement plate, the front section of the roof sill reinforcement panel and the rear section of the roof sill reinforcement panel are connected to form a T-shaped structure. After the front section of the roof sill reinforcement panel and the rear section of the roof sill reinforcement panel are stressed, they can better be The force is transmitted to the lower end of the side wall outer panel, so that the force transmission effect is better; the design is more reasonable, and the comfort can be better improved.

In this specific embodiment, the front end of the middle section 6 of the roof sill reinforcement plate is plugged between the roof sill and the front section of the roof sill reinforcement panel, and is connected and fixed with the inner surface of the rear end of the front section of the roof sill reinforcement panel; the middle section 6 of the roof sill reinforcement panel The rear end is plugged between the upper side sill and the rear section of the upper side sill reinforcement plate, and is connected and fixed with the inner surface of the rear end of the rear section of the upper side sill reinforcement plate.

In this way, the connection at the upper end of the B-pillar reinforcing plate can be made more stable, and can better withstand impact loads.

In this specific embodiment, the middle section 6 of the roof sill reinforcement plate and the front section of the roof sill reinforcement panel, and the middle section of the roof sill reinforcement panel and the rear section of the roof sill reinforcement panel are all fixed by welding.

In this way, the middle section of the roof sill reinforcement plate and the front section of the roof sill reinforcement plate, and the middle section of the roof sill reinforcement plate and the rear section of the roof sill reinforcement plate are all fixed by welding connection, which makes the connection more stable and convenient for manufacture.

In this specific embodiment, a rear wheel house assembly 11 is also fixedly arranged on the inner side of the rear end of the side wall outer panel, and a C-pillar reinforcement plate 12 and a C-pillar reinforcement plate 12 are sequentially stacked on the inner side of the C-pillar on the side wall outer panel from inside to outside. C-pillar inner panel; the rear wheelhouse assembly includes the rear wheelhouse inner panel 13, the rear wheelhouse outer panel and the rear shock absorber reinforcement plate stacked in sequence, the rear wheelhouse inner panel, the rear wheelhouse outer panel and the rear shock absorber The reinforcement plates of the shock absorber are all arched toward the inside and form a space for the installation of the wheels; the rear wheel house inner plate reinforcement plate 14 is connected and fixed on the rear wheel house inner plate, and the rear wheel house inner plate reinforcement plate is vertical as a whole. The plate structure is bent and arranged along the vertical contour line of the inner panel of the rear wheelhouse, and the inner side of the inner panel of the rear wheelhouse is bonded to the outer side of the inner panel of the rear wheelhouse, and the rear wheelhouse The upper end of the inner panel reinforcing plate is connected and fixed with the C-pillar reinforcing plate, and the lower end of the rear wheel house inner panel reinforcing plate is used for connecting and fixing with the cross beam assembly 15 on the rear floor of the vehicle body.

In this way, the description is based on the inner side of the side wall outer panel as the inner direction; through the rear wheel house inner panel reinforcement plate, it is connected and fixed with the rear wheel house inner panel, and its upper end is connected and fixed with the C-pillar reinforcement plate, and the lower end It is used to connect and fix the upper cross member assembly on the rear floor of the vehicle body, so that the rear wheel house inner panel, C-pillar reinforcement plate and the upper cross member assembly on the rear floor of the vehicle body form a whole. The rear wheel house assembly has better torsion resistance, making the The structure here is more stable. And after the above-mentioned side wall is assembled into a car, the two rear wheel house inner panel reinforcement plates can connect the two C-pillar reinforcement plates, the rear floor upper beam assembly and the roof to form a closed ring structure, so that the force The effect is better, and the load transmitted from the shock absorber to the vehicle body can be better effectively decomposed to various parts of the vehicle body.

In this specific embodiment, the rear wheel house inner panel reinforcement plate includes an end-to-end connection and fixed rear wheel house inner panel reinforcement plate upper section 16 and a rear wheel house inner panel reinforcement panel lower section 17, and the rear wheel house inner panel reinforcement plate upper section The upper end is connected and fixed with the C-pillar reinforcement plate, and the lower end of the lower section of the rear wheel house inner panel reinforcement plate is used for connection and fixation with the crossbeam assembly on the rear floor of the vehicle body.

In this way, the design is more reasonable, the processing and manufacturing of the entire rear wheel house inner panel reinforcing plate can be facilitated, and its deformation can be better avoided during transportation.

In this specific embodiment, the transverse section of the rear wheel house inner panel reinforcing plate is a U-shaped structure with an opening facing the rear wheel house inner panel, and the two sides in the width direction are respectively bent and extended outwards and connected to the rear wheel house inner panel. Paste and connect to fix.

In this way, a hollow cavity structure can be formed between the front reinforcement of the rear wheel house inner panel and the rear wheel house inner panel, the rear wheel house assembly can have better strength, and can better withstand torsional force without deformation. Can better absorb impact.

In this specific embodiment, the rear wheel house inner panel reinforcement plate is connected to the rear wheel house inner panel by welding.

In this way, the connection and fixation between the two can be facilitated.

Claims (7)

1. a kind of automobile B-pillar reinforcement plate structure, including whole elongated structure and vertical B column reinforcement plate (2), B column adds The lower end of strong plate is equipped with connection structure and for being connected and fixed with the lower-edge beam on the inside of vehicle side-wall outer-plate；It is characterized in that, institute State one section of vertical connecting plate (9) that connection structure includes B column reinforcement plate lower end, the connecting plate for be plugged on lower-edge beam with Between the lower-edge beam inner panel being equipped on the inside of lower-edge beam, and overlaps and be fixed on lower-edge beam inner panel medial surface, and in the connection Plate is equipped with several remitted its furys through connection plate thickness direction with through-hole (10).

2. a kind of automobile B-pillar reinforcement plate structure as described in claim 1, which is characterized in that the remitted its fury through-hole It (10) is the rectangular opening of lower end opening.

3. a kind of automobile B-pillar reinforcement plate structure as claimed in claim 2, which is characterized in that the remitted its fury through-hole (10) it is set to the middle position of connecting plate width direction.

4. a kind of automobile B-pillar reinforcement plate structure as described in claim 1, which is characterized in that B column reinforcement plate (2) upper end width The two sides in direction respectively extend outwardly, so that B column reinforcement plate upper end is integrally formed one section of engagement plate, the both ends of the engagement plate are each From for be equipped with roof side rail stiffening plate leading portion and roof side rail stiffening plate back segment on the inside of vehicle side-wall outer-plate and be connected and fixed so that The engagement plate forms the roof side rail stiffening plate middle section for roof side rail stiffening plate leading portion to be connected with roof side rail stiffening plate back segment (6).

5. a kind of automobile B-pillar reinforcement plate structure as claimed in claim 4, which is characterized in that the engagement plate is vertically whole Body bending in opening U-board structure diagonally downward, the vertical both ends of engagement plate respectively for roof side rail stiffening plate leading portion and Roof side rail stiffening plate back segment medial surface is connected and fixed, and enables to roof side rail stiffening plate and engagement plate that hollow delay is collectively formed Rush chamber.

6. a kind of automobile B-pillar reinforcement plate structure as claimed in claim 4, which is characterized in that the engagement plate upper end at least has There is local outward bending to extend to form horizontal supporting section, skylight reinforcing ring mounting hole (7) is equipped on the supporting section.

7. a kind of automobile B-pillar reinforcement plate structure as described in claim 1, which is characterized in that the material of the B column reinforcement plate is Drop stamping steel.