CN217804950U - body side structure - Google Patents

Abstract

A vehicle body side structure comprising: a side sill located outside a vehicle floor in a vehicle width direction and extending in a front-rear direction of a vehicle, the side sill including an inner side sill and a sill bead; and a stepped portion formed on a top wall of the inner side sill along a longitudinal direction of the side sill, wherein the stepped portion is formed by joining flanges of the inner side sill and the sill rib toward an inner side in a vehicle width direction. By providing the stepped portion in the top wall of the inner rocker in this manner, it is possible to more effectively transmit the load due to an external force collision, such as a deflection collision or an oblique collision, to the vehicle body structure behind the side rocker, and therefore it is possible to improve the rigidity of the side rocker. In addition, even though the width of the side sill or the height of the vehicle floor may be different due to vehicle type differences, the design can be applied to side sills of various vehicle types to improve vehicle body rigidity and safety.

Description

body side structure

technical field

The utility model relates to a body side structure.

Background technique

In recent years, initiatives to provide sustainable transport systems that take into account vulnerable groups of transport participants, such as the elderly and children, have grown considerably. To this end, research and development are focused on further improving transportation safety and convenience through developments related to improving crash safety performance.

In particular, on the subject of increasing the rigidity of the vehicle body, people continue to improve the vehicle structure in an attempt to reduce the impact load on the vehicle interior and the occupants during a vehicle collision, so as to improve driving safety. For example, how to effectively transfer the impact energy to the vehicle body when the vehicle is subjected to an offset collision or an oblique collision, so as to further suppress the deformation of the vehicle body and ensure the safety of the occupants in the vehicle, is a direction that can be worked on.

Utility model content

The utility model provides a side structure of a vehicle body, which improves the load bearing capacity when the vehicle collides, especially when the vehicle is subjected to an offset collision or oblique collision, and ensures the safety of the occupants in the vehicle by improving the structure of the side sill. . In the long run, contribute to the development of a sustainable transport system.

The utility model proposes a body side structure, comprising: a side sill, located outside the vehicle floor in the vehicle width direction, and extending along the front and rear direction of the vehicle, the side sill includes an inner sill and a sill reinforcement rib; and, a step portion formed on the top wall of the inner side sill along the length direction of the side sill, wherein the stepped portion is formed toward the inner side of the vehicle width direction by the joint flange of the inner sill and the sill rib .

According to an embodiment of the present invention, the vehicle floor includes a seat bracket for mounting a seat. The seat frame is connected to the side sill by an upper flange extending on an upper surface of the side sill, and the stepped portion is formed between the joining flange and the upper flange.

According to an embodiment of the present invention, the side structure of the vehicle body further includes a reinforcing member located in the cross section of the side sill and extending along the length direction. The inner side sill has an inner side wall located on the inner side in the vehicle width direction, which is connected with the top wall to form a corner portion, and the reinforcing member is arranged along the corner portion. And, the stepped portion is provided between the joint flange and the reinforcement.

According to an embodiment of the present invention, the reinforcing member includes a lower portion formed along the inner side wall and an upper portion formed along the top wall, forming an L-shaped structure on the cross section.

According to an embodiment of the present invention, the vehicle floor further includes a floor beam connecting the side sill and the floor passage, and the seat frame is connected to the floor beam.

According to an embodiment of the present invention, the reinforcing member is composed of a front part and a rear part, and is connected between the seat frame and the floor beam.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with accompanying drawings.

Description of drawings

Fig. 1 is a partial schematic diagram of a body side structure according to an embodiment of the present invention;

Fig. 2 is a sectional view along the line A-A' of Fig. 1;

Fig. 3 is a partial top view of the vehicle floor and side sills according to an embodiment of the present invention;

Fig. 4 is a partial schematic diagram of another viewing angle of the vehicle floor and side sills according to the embodiment of the present invention.

Explanation of reference signs

12: Vehicle width direction

14: Front and rear directions of the vehicle body

100: Body side structure

110: Side sills

111: Hollow part

112: Inner Threshold

112a: Top wall of inner sill

112b: Inner side wall of inner sill

114: Outside Threshold

116: Threshold reinforcement

117: Joint flange

118: Ladder Department

120: Reinforcements

120a: Upper part of reinforcement

120b: Lower part of reinforcement

122: Front part of reinforcement

124: Rear part of reinforcement

150: Vehicle floor

152: Seat bracket

153: Upper flange of seat frame

154: Floor access

156: Floor beams

190: Corner

Detailed ways

Embodiments of the present utility model are described below with reference to the accompanying drawings.

It should be noted that the accompanying drawings only show the main structure for easy understanding of the utility model, and there are cases where the structure or its specific shape that does not affect the understanding of the technical solution of the utility model is omitted. These omitted parts (for example, specific shapes of members, connection means, etc.) can adopt known designs or possible structures. In different embodiments, the same reference numerals are used to represent the same or similar components, so as to facilitate comparison and understanding. In the following description, up, down, left, right, front, and rear are based on directions observed by an occupant seated in the driver's seat, wherein the left and right directions are also referred to as vehicle width directions.

Also, in the following description, unless otherwise specified, various components of the vehicle body may be made of metal materials such as steel plates. Connecting, bonding, bonding and attaching as used in the following disclosure may include various connection methods such as welding, stir welding, fastening (rivets, screws, clips, etc.) Use instead. In addition, because the vehicle body is roughly symmetrical about the central axis extending in the front-rear direction, this embodiment is described with the vehicle body structure on the left side as an example to avoid redundancy. In fact, the bodywork on the right side of the vehicle may have the same and symmetrical structure.

Hereinafter, FIG. 1 is a partial schematic diagram of a body side structure according to an embodiment of the present invention; FIG. 2 is a cross-sectional view along the line AA' of FIG. 1; FIG. 3 is a vehicle according to an embodiment of the present invention A partial top view of the floor and side sills; Fig. 4 is a partial schematic view of another perspective of the vehicle floor and the side sills according to an embodiment of the present utility model, wherein in order to clearly express the internal structure of the side sills, Fig. 4 does not show part of the side sills External components. Specifically, the vehicle body side structure 100 of this embodiment includes a side sill (or called a lower side member) 110 located outside the vehicle floor 150 in the vehicle width direction 12 and extending along the vehicle front and rear direction 14 . As can be seen from FIG. 2 , the side sill 110 of this embodiment has, for example, a hollow portion 111 jointly formed by an inner sill 112 and an outer sill 114 , and a sill reinforcing rib 116 is provided in the hollow portion 111 to strengthen the side sill 110 rigidity.

In addition to the sill reinforcement rib 116, as shown in FIG. 1 and FIG. 2, in this embodiment, a stepped portion 118 is formed on the top wall 112a of the inner sill 112 along the length direction 16 of the side sill 110 to further strengthen the side sill 110. rigidity. Specifically, the stepped portion 118 of this embodiment is formed on the top wall 112a of the inner rocker 112 toward the inner side in the vehicle width direction 12 from the joint flange 117 between the inner rocker 112 and the rocker rib 116 . In this way, by providing the stepped portion 118 on the top wall 112a of the inner side rocker 112, it is possible to more effectively transmit the load caused by an external force collision, such as a deflection collision or an oblique collision, to the vehicle body structure behind the side rocker 110, thereby improving Rigidity of the side sills.

In addition, as shown in FIG. 1 , FIG. 3 , and FIG. 4 , the vehicle floor 150 of the present embodiment may have a seat frame 152 for installing a seat, and the seat frame 152 has a structure extending on the upper surface of the side door sill 110 . And the upper flange 153 of the side rocker 110 is connected. Accordingly, the stepped portion 118 may be formed between the engaging flange 117 and the upper flange 153 . In this way, by providing the stepped portion 118 between the joint flange 117 and the upper flange 153 of the seat frame 152, the load input to the stepped portion 118 can be effectively transmitted to the seat frame 152, and then passed through the seat frame. 152 distributes the load caused by a biased collision or an oblique collision to the vehicle floor 150, further improving the rigidity and safety of the vehicle body.

On the other hand, as shown in FIG. 2 , in the vehicle body side structure of this embodiment, a reinforcement member 120 extending along the longitudinal direction 16 may also be provided in the cross section (hollow portion 111 ) of the side rocker 110 . Specifically, the inner side sill 112 has, for example, an inner side wall 112b located on the inner side of the vehicle width direction 12, which is connected to the top wall 112a to form a corner portion 190, and the reinforcing member 120 can be arranged along the corner portion 190 to strengthen the inner side sill 112. rigidity. In this way, the stepped portion 118 can be disposed between the joint flange 117 and the reinforcing member 120 to disperse and transmit the collision load to the stepped portion 118 and the reinforcing member 120, so as to effectively reduce the load caused by a biased collision or an oblique collision. Distributed to the car body structure behind the side sill 110 to ensure the rigidity and safety of the car body. In addition, the reinforcing member 120 of this embodiment is composed of, for example, a lower portion 120b formed along the inner sidewall 112b and an upper portion 120a formed along the top wall 112a, and an L-shaped structure is formed on the cross section to further enhance the reinforcement. The rigidity of piece 120.

In addition, please refer to FIG. 3 and FIG. 4 , the vehicle floor 150 of this embodiment further includes a floor tunnel 154 located at the center and extending along the front-rear direction 14 of the vehicle body. The seat frame 152 is disposed on both sides of the floor passage 154 according to the position of the seat. In addition, there are floor beams 156 extending along the vehicle width direction 12 on both sides of the floor tunnel 154 and connecting the side sills 110 and the floor tunnel 154 . The seat bracket 152 is fixed to the floor beam 156 for further transmitting the load input to the stepped portion 118 to the floor beam 156 via the seat bracket 152 .

Also, as can be seen in FIG. 4 , the reinforcing member 120 of this embodiment is composed of a front side part 122 and a rear side part 124 , and is connected between the corresponding seat frame 152 and the floor beam 156 . In this way, the load input to the side sill 110 can be distributed to the seat frame 152 and the floor cross member 156 through the reinforcement 120 , thereby suppressing deformation of the connecting portion of the reinforcement 120 and increasing the rigidity of the side sill 110 . In addition, since the reinforcing member 120 can be manufactured separately, for example, the front part 122 and the rear part 124 are manufactured, which reduces the difficulty of the manufacturing process and is applicable to various manufacturing occasions.

Based on the above, this embodiment ensures the rigidity of the side sill through the design of the stepped portion with a simple structure and other corresponding components, the reinforcement in the side sill, the seat frame, etc. The load bearing capacity in the event of a shift collision or an oblique collision ensures the safety of the occupants in the vehicle. It is worth mentioning that even though the width of the side sill or the height of the vehicle floor may be different due to different vehicle models, the technical solution of the utility model has a simple structure and is easy to manufacture, so it can be applied to the side sills of various models to improve Body rigidity and safety.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (6)

1. A vehicle body side structure, characterized in that it comprises: a side sill located outside the vehicle floor in the vehicle width direction and extending in the front-rear direction of the vehicle, the side sill including an inner sill and a sill rib; and a stepped portion formed on the top wall of the inner sill along the length direction of the side sill, wherein The stepped portion is formed inwardly in the vehicle width direction by a joining flange of the inner side rocker and the rocker bead. 2. The vehicle body side structure according to claim 1, wherein the vehicle floor includes a seat bracket for mounting a seat, the seat bracket passing through an upper portion extending on an upper surface of the side sill A flange connects the side sills, and the stepped portion is formed between the joining flange and the upper flange. 3. The side structure of the vehicle body according to claim 2, further comprising a reinforcing member located in the cross section of the side sill and extending along the length direction; wherein, The inner side sill has an inner side wall located on the inner side in the vehicle width direction, which is connected with the top wall to form a corner portion, and the reinforcing member is arranged along the corner portion; and, The stepped portion is provided between the joint flange and the reinforcement. 4. The vehicle body side structure according to claim 3, wherein the reinforcing member includes a lower portion formed along the inner side wall and an upper portion formed along the top wall, and in the cross section Form an L-shaped structure. 5 . The side structure of the vehicle body according to claim 3 , wherein the vehicle floor further comprises a floor cross member connecting the side sill and the floor tunnel, and the seat bracket is connected to the floor cross member. 6 . 6. The vehicle body side structure according to claim 5, wherein the reinforcing member is composed of a front side part and a rear side part, and is connected between the seat frame and the floor cross member.

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