JPH0683572U - Car floor side structure - Google Patents

Abstract

(57) [Abstract] [Purpose] When a side collision occurs without increasing the plate thickness of each member, the side pillars are prevented from entering the passenger compartment to secure a space for the occupants, and the rigidity of the vehicle body is improved. Get better. [Constitution] The inner end 14a of the vehicle body is attached to the vertical wall 1 of the rear floor 10.
0a and the front end of the upper surface 10c, and by connecting the vehicle body outer end 14d of the reinforcement 14 that rises as it moves to the vehicle body outer direction to the center pillar 5,
When the load F acts on the center pillar 5 due to a side collision or the like,
The reinforcement 14 and the front end of the vertical wall 10a and the upper surface 10c of the rear floor 10 jointly prevent the center pillar 5 from entering the passenger compartment, so that a space for an occupant is secured and the vehicle body rigidity is improved.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a floor side structure of an automobile.

[0002]

[Prior art]

 A side collision of an automobile accounts for about 20 to 30% of the total, and when a side collision occurs, it is necessary to prevent the center pillar from entering the room and secure a space for passengers.

As a measure against this, a vehicle body structure on the floor side portion of an automobile disclosed in Japanese Utility Model Laid-Open No. 58-149259 and shown in FIG. 8 has been proposed.

This structure is a vehicle body structure in which a side end portion of a floor panel b is joined to a side sill a of a vehicle body side, and a bead c extending inward in the vehicle width direction from the floor panel b side end portion to the floor panel b. Is formed and the side end portion of the bead c and the side sill a are connected by a connecting member to improve the rigidity.

Further, a structure around a side sill of a center pillar coupling portion shown in FIG. 9 is proposed, which is disclosed in Japanese Utility Model Laid-Open No. 63-194082.

This structure has a structure in which a floor panel h and a center pillar (not shown) are coupled to a side sill g having a box cross section formed of a side sill outer e and a side sill inner f, and a side sill outer e is provided inside the side sill g. And a first reinforcing member i connected across the side sill inner f, a second reinforcing member j facing the side sill inner f is provided, and one end k of the second reinforcing member j is attached to the side sill inner f. When the load due to a collision is applied to the side sill g by connecting the other end m to the strength member n of the floor panel h with the first reinforcing member i sandwiched between them, The first reinforcement member i resists the second reinforcement member i and is joined to the strength member n of the floor panel h against the collapse of the side sill g toward the passenger compartment. The deformation and fall of the side sill g can be suppressed to a small extent by the reinforcement member j resisting.

[0007]

[Problems to be solved by the device]

 According to the above structure, since the side sill and the bead formed on the floor panel or the strength member of the floor panel are connected by the connecting member or the strength member, the load acting on the side sill due to a side collision or the like is received and the deformation of the vehicle body is suppressed to some extent. be able to. However, in general, the seat cushion of the seat on which the occupant sits against the side sill is at a high position, and when a side collision occurs, a center pillar extending upward from the side sill intrudes into the passenger compartment and occupies the occupant's space. May threaten. In such a case, it is possible to secure rigidity by increasing the plate thickness of each member, but it is against the weight reduction of the vehicle body.

Therefore, an object of the present invention is to secure the passenger space by suppressing the intrusion of side pillars and the like into the vehicle interior when a side collision occurs without increasing the plate thickness of each member, and to increase the vehicle body rigidity. An object of the present invention is to provide a floor side structure of an automobile, which can improve the above.

[0009]

[Means for Solving the Problems]

 The vehicle floor side structure in the present invention that achieves the above object is formed on a side sill on a side end portion of a front floor and on a front end side portion of a rear floor formed on a high floor through a vertical wall at a rear end of the front floor. In the vehicle floor side structure in which the outer side end of the floor stepped molding and the lower end of the center pillar are joined, the inner side end of the vehicle body is the vertical wall and the rear floor. It has a reinforcement that is connected to the upper surface of the front end and that gradually rises as it moves to the outer side of the vehicle body and the outer end of the vehicle body is connected to the center pillar. In an automobile floor side structure in which a side end of a cross member having a hat-shaped cross section that is disposed on the floor upper surface and extends in the vehicle width direction is joined to a lower end of a center pillar, Body side terminal is coupled to the cross member, and the vehicle body outer end are sequentially increased in accordance with the process proceeds to the outboard direction and has a Rinfo assessments coupled to Sentapira.

[0010]

[Action]

 When a load is applied to the center pillar from the outside due to a side impact or the like, the vertical wall of the rear floor supporting the reinforcement and the inner end of the vehicle body and the upper front end and the cross member jointly deform the center pillar and the vehicle. By suppressing invasion into the passenger compartment to secure a living space for passengers, and by connecting the center pillar to the vertical wall and the front end of the upper surface or the cross member, the rigidity of the vehicle body can be improved without increasing the thickness of the vehicle body constituent members. It

[0011]

【Example】

 An embodiment of a vehicle floor side structure according to the present invention will be described below with reference to the drawings.

FIG. 7 is a side view of an automobile 1 having the floor side structure of the present embodiment. FIG. 1 is a sectional view taken along the line AA of FIG. 7, and FIG. 2 is a sectional view taken along the line BB of FIG. FIG. 3 is a sectional view taken along the line CC of FIG. 2, FIG. 4 is a sectional view taken along the line D-D of FIG. 2, and FIG. 5 is a perspective view of an essential part.

Reference numeral 2 in the figure is a side sill extending in the vehicle front-rear direction on both sides of the vehicle body. The side sill 2 has a lower end portion 6a of a center pillar 6 which forms a center pillar 5 which will be described later with the upper edge 3a and the lower edge 3b of the side sill inner 3 having a substantially hat-shaped cross section and the upper edge 4a and the lower edge 4b of the side sill outer 4. It has a box-shaped cross-section that is connected by being interposed and is divided by the center liner 6.

The side edges 6b and 6c of the center aligner 6 whose lower end portion 6a is sandwiched and coupled between the side sill inner 3 and the side sill outer 4 have a substantially hat-shaped cross section in which the lower end 7a is coupled to the side sill outer 4. The center pillar 5 has a box-shaped cross section which is joined to the side edges 7b and 7c of the center pillar outer 7 and extends upward from the side sill 2.

Outside the vehicle body of the side sill 2 and the center pillar 5, a lower end edge 8a is joined with a lower edge 3b of the side sill inner 3 and a lower end portion 6a of the center pillar liner 6, and a front end edge 8b of the center pillar liner 6 and The center panel outer 7 is covered with side panels 6b, 7b and upper panels 3a, 4a of the side sill inner 3 and the side sill outer 4 and an outer panel 8 joined thereto.

The side edge 9a of the front floor 9 is coupled to the lower edge of the main surface 3d of the side sill inner 3, and the rear end 9b of the front floor 9 reaches the joint between the side sill 2 and the center pillar 5. There is. The rear end 9b of the front floor 9 is bent at the front end, and the lower ends 10b of the vertical walls 10a whose both ends are joined to the side sill inner 3 are joined to form a raised floor with respect to the front floor 9. A rear floor 10 is arranged behind the front floor 9.

The upper surface 10c of the rear floor 10 descends as it moves rearward of the vehicle body according to the shape of the seat cushion 11 of the rear seat placed on the upper surface 10c, while the front end of the upper surface 10c moves outwardly of the vehicle body. The floor stepped molding portion 10d gradually descends in accordance with the above, and the outer side end 10e of the floor stepped molding portion 10d is joined to the upper end of the main surface 3d of the side sill inner 3.

Further, the portion located at the front end of the upper surface 10c of the rear floor 10 and the vertical wall 10a are joined by a cross member 12 having a substantially L-shaped cross section to form a box cross section extending in the vehicle body width direction to improve rigidity. In addition, the front end of the upper surface 10c is overlapped from the vicinity of the center in the vehicle body width direction to the outer side end 10e of the floor stepped portion 10d and the vertical wall 10a, and the outer end 13a is the main surface of the side sill inner 3. It is stiffened by a reinforcing member 13 having a substantially L-shaped cross section that is connected to the upper end of 3d.

Further, as shown in FIGS. 1, 2 and 3, the vehicle body inner end 14 a is formed into a substantially L-shaped cross section, and is superposed on the reinforcing member 13, and its front face portion 14 b is of the rear floor 10. The vertical wall 10a, the reinforcing member 13, and the mounting portion 11a of the seat cushion 11 of the rear seat are coupled with the bolt 15a and the nut plate or nut 15b mounted on the vertical wall 10a, and the upper surface portion 14c is located on the upper surface 10c side of the rear floor 10. The reinforcing member 13 is connected to the upper surface portion 13a of the reinforcing member 13 with bolts 16a and nuts 16b, and is gradually raised as it moves to the outside of the vehicle body, and the vehicle body outer end 14c is connected to the center liner 6 with bolts 17a and nuts 17b. A reinforcement 14 is provided.

By arranging the reinforcement 14, when a lateral load F acts on the center pillar 5 due to a side collision or the like, the load F is stiffened by the reinforcing member 13 and the cross member 12. Since it is reliably transmitted to the front end of the highly rigid rear floor 10 and is reliably received, deformation of the center pillar 5 and invasion into the passenger compartment are greatly reduced, a space for passengers can be secured, and various configurations are possible. The rigidity of the vehicle body can be improved without increasing the thickness of the member.

Further, as shown in FIG. 1 and FIG. 2, when the pipes 18 and the like are provided along the side sill 2 in the floor stepped molding portion 10d, in the case of a side collision or the like, the load F causes the floor stepped portion to be provided. The molding portion 10d is easily crushed, but the pipe 18 and the like are protected in this portion. Further, since the reinforcement 14 that gradually rises as it shifts to the outer side of the vehicle body has a function as a rear seat receiver that supports the front end of the seat cushion 11 from below, the thickness of the seat cushion 11 at this portion is reduced. it can.

In the figure, reference numeral 19 is a side sill cover that covers and protects the side sill 2 and the pipes 18 and improves the aesthetics of the room, and 20 is a trim that covers the center liner 6 and the like to improve the aesthetics. Yes, 21 is a floor mat.

Next, another embodiment of the vehicle floor side structure in the present invention will be described with reference to the perspective view of the main part shown in FIG.

Reference numeral 30 in the figure denotes a box-shaped side seal that extends in the front-rear direction on the side of the vehicle body. The side end 32a of the floor 32 extends along the lower edge of the main surface 31a of the side sill inner 31 that constitutes this side sill. Are combined.

A lower end of a center pillar 33 having a box-shaped cross section is joined to an upper portion of the side sill 30, and a portion of the main surface 31 a of the side sill inner 31 adjacent to the joined portion of the center pillar 33 is joined to the floor 32. A side end portion 35 a of a cross member 35 having a substantially hat-shaped cross section that forms a box cross section extending in the vehicle width direction together with the floor 32 is joined.

The cross member 35 and the center pillar 33 have a U-shaped cross section so that the inner end 36 a of the vehicle body covers the cross member 35, and are connected to the cross member 35 with bolts and nuts and the like and are moved to the outer side of the vehicle body. The vehicle body outer end 36b gradually rises as it faces, and is connected to a center liner 34 forming a center pillar 33 by a reinforcement 36 having a substantially U-shaped cross section which is connected with a bolt and a nut or the like. Note that FIG. 6A is a perspective view of the reinforcement 36.

By thus joining the center pillar 33 and the cross member 35 with the reinforcement 36, when the center pillar 33 receives a load F from the side due to a side collision, the cross member having a high rigidity can receive the load. 35, and it can be reliably received, deformation of the center pillar 33 and invasion into the passenger compartment are greatly reduced, space for passengers is secured, and the plate thickness of each component is increased. The rigidity of the car body can be improved without doing so.

It is also possible to connect the attachment portion 37a of the seat cushion 37 to the joint portion between the cross member 35 and the reinforcement 36 together with bolts and nuts, and the reinforcement 36 is used in the same manner as in the previous embodiment. The seat cushion 37 may be configured to support the front end side portion from below.

[0029]

[Effect of device]

 According to the vehicle floor side structure of the present invention described above, the inner end of the vehicle body is connected to the vertical wall of the rear floor, the front end of the upper floor, or the cross member extending in the vehicle body width direction, and as the vehicle body outward direction is changed, When the load is applied to the center pillar due to a side collision or the like, the outer edge of the body of the reinforcement that rises sequentially is connected to the center pillar. It is possible to improve the rigidity of the vehicle body by preventing the members from working together to secure a living space for passengers and without increasing the plate thickness of each component.

[Brief description of drawings]

1 is a sectional view taken along the line AA of FIG. 7 showing an embodiment of a floor side structure of an automobile according to the present invention.

FIG. 2 is likewise a sectional view taken along line BB in FIG.

3 is a sectional view taken along line CC of FIG.

4 is a sectional view taken along line DD of FIG.

FIG. 5 is likewise a perspective view of an essential part of this embodiment.

FIG. 6 is a perspective view of an essential part showing another embodiment of the vehicle floor side structure according to the present invention.

FIG. 7 is a side view of an automobile embodying the present invention.

FIG. 8 is a perspective view of a main part showing a conventional example.

FIG. 9 is a perspective view of a main part showing another conventional example.

[Explanation of symbols]

 2 side sill 5 center pillar 9 front floor 9a side edge 9b rear end 10 rear floor 10a vertical wall 10c upper surface 10d floor stepped molding part 10e outer side end 11 seat cushion 11a mounting part 13 reinforcement member 14 reinforcement 14a vehicle body inner end 14d Outer end of vehicle 15a Bolt 15b Nut or nut plate 30 Side sill 32 Floor 32a Side end 33 Center pillar 35 Cross member 36 Reinforcement 36a Inner end of vehicle 37 Seat cushion 37a Attachment

Claims (5)

[Scope of utility model registration request] 1. A side sill is formed at a side end portion of a front floor and at a rear end of the front floor at a front end side portion of a rear floor which is formed on a raised floor through a vertical wall. In a floor side structure of an automobile in which an outer end of a stepped floor molding is joined to a lower end of a center pillar, an inner end of a vehicle body is joined to the vertical wall and an upper surface of a front end of a rear floor, and shifts toward an outer side of the vehicle body. According to the present invention, there is provided a floor side structure for an automobile, which has a reinforcement in which the vehicle body outer end is coupled to a center pillar. 2. A bolt and a nut or a nut plate for coupling a vertical wall and an inner end of a reinforcement body to a seat cushion mounting portion, a vertical wall, and an inner end of the reinforcement body together. The vehicle floor side structure of claim 1, wherein the floor side structures are joined by 3. The vertical wall to which the inward end of the vehicle body of the reinforcement is joined and the front end of the upper surface of the rear floor are stiffened by a reinforcing member that overlaps the vertical wall and the front end of the upper surface of the rear floor. Car floor side structure. 4. A floor of an automobile, wherein a side sill is joined to a side end of a floor, a side end of a cross member having a hat-shaped cross section arranged on the floor upper surface and extending in the vehicle body width direction, and a lower end of a center pillar. In the side portion structure, a vehicle floor side portion structure having a reinforcement in which an inner end of the vehicle body is joined to the cross member, and the outer end of the vehicle body is joined to the center pillar by sequentially rising as it moves to the outer side of the vehicle body . 5. The vehicle floor side structure according to claim 1, wherein the reinforcement supports the seat cushion of the rear seat from below.