JP2008308133A - Pillar structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular pillar structure capable of effectively preventing deformation inward a vehicle when an obstacle collides against the vehicle from outside. <P>SOLUTION: A center pillar 1 of the vehicle comprises a pillar body 10 and a reinforcement member 20. A bending part 14 projecting outward the vehicle is formed at a vertically-center part of the pillar body 10. The reinforcement member 20 is joined to a reinforcement 12 of the pillar body 10 at a plurality of positions striding the bending part 14 of the pillar body 10. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a pillar structure of a vehicle.

A center pillar is provided at a substantially central position in the vehicle longitudinal direction on the side surface of the vehicle. As shown in FIG. 10, the conventional center pillar 50 has a pillar body including an outer panel 51 and a reinforcement 52 provided inside the outer panel 51. Further, a curved portion 53 that protrudes to the outside of the vehicle is provided at a substantially central portion in the vertical direction of the pillar body (for example, Patent Document 1). Further, a rear door upper hinge Hu and a rear door lower hinge Hd are provided at a position below the curved portion 53 in the outer panel. By providing the reinforcement 52 inside the outer panel 51, damage to the center pillar is reduced when an obstacle such as an injurious vehicle collides from the side of the vehicle.
Utility Model Registration No. 2607534

  In the center pillar 50 disclosed in Patent Document 1, a curved portion 53 that protrudes to the outside of the vehicle is provided at a substantially central portion in the vertical direction. Since such a curved portion is provided, when an obstacle collides from the side surface of the vehicle, the position below the curved portion 53 in the center pillar 50 may be deformed toward the inside of the vehicle. In particular, when the rear door hinges Hu and Hd are provided on the lower side of the curved portion 53, the load applied to the door is also applied to the center pillar. Become. However, the center pillar disclosed in Patent Document 1 has a problem in that although the strength is increased, such deformation toward the inside of the vehicle cannot be effectively suppressed.

  Therefore, an object of the present invention is to provide a vehicle pillar structure that can effectively prevent deformation toward the inside of the vehicle even when an obstacle collides from the outside of the vehicle.

  A pillar structure of a vehicle according to the present invention that solves the above problem includes a pillar having a curved portion that extends in the vertical direction of the vehicle, and whose central portion in the vertical direction protrudes toward the outside of the vehicle rather than a straight line connecting both ends of the vertical direction. A main body and an elongated reinforcing member disposed inside the pillar main body, the reinforcing member being disposed along the extending direction of the pillar main body, and the reinforcing member is The pillar main body is joined to the pillar main body at a plurality of positions across the curved portion of the pillar main body.

  When an obstacle collides with the pillar from the outside of the vehicle, the curved portion of the pillar extends and eventually deforms inward. Here, the vehicle pillar structure according to the present invention includes a reinforcing member disposed inside the pillar main body, and the reinforcing member extends at a plurality of positions across the curved portion of the pillar main body with respect to the pillar main body. It is joined to. By this reinforcing member, the extension of the curved portion in the pillar main body is suppressed. For this reason, even when an obstacle collides from the outside of the vehicle, deformation toward the inside of the vehicle can be effectively prevented.

  Here, the reinforcing member may be accommodated inside the pillar main body. Since the reinforcing member is accommodated inside the pillar main body, the reinforcing member can be prevented from projecting into the vehicle interior, so that the size of the living space in the vehicle interior can be maintained.

  Moreover, the reinforcement member can be made into the aspect which has comprised linear form. Thus, when the reinforcing member is linear, extension of the curved portion in the pillar main body can be suitably suppressed.

  Furthermore, the reinforcing member can be in the form of a plate. Since the reinforcing member has a plate shape, it is possible to prevent the reinforcing member from protruding from the pillar body with a simple configuration.

  Moreover, a reinforcement member can be set as the aspect provided with the plate-shaped part arrange | positioned along the inner surface in a pillar main body, and the standing part which stands | starts up on a plate-shaped part. As described above, by providing the standing portion rising on the plate-like portion, it is possible to suitably impart strength to the pillar body.

  According to the pillar structure of the vehicle according to the present invention, even when an obstacle collides from the outside of the vehicle, deformation toward the inside of the vehicle can be effectively prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and redundant description is omitted. For the convenience of illustration, the dimensional ratios in the drawings do not necessarily match those described.

  FIG. 1 is a side sectional view of a center pillar having a vehicle pillar structure according to a first embodiment of the present invention, FIG. 2 is a perspective view thereof, FIG. 3 is a side view thereof, and FIG. FIG. 5 is a perspective view showing the periphery of the center pillar.

  As shown in FIG. 1, the center pillar 1 according to this embodiment includes a pillar body 10 and a reinforcing member 20. The pillar body 10 includes an outer panel 11 extending in the vertical direction and a reinforcement 12 that increases the strength of the center pillar 1. The outer panel 11 is disposed at an outer position of the vehicle, and an inner panel 13 is provided further inside the reinforcement 12 in which the reinforcement 12 is disposed.

  A roof rail 2 and a rocker 3 that extend in the front-rear direction of the vehicle are disposed at positions adjacent to the upper end and the lower end of the center pillar 1, respectively. The upper end of the reinforcement 12 in the pillar body 10 is joined to the roof rail 2 by welding and the lower end of the reinforcement 12 is joined to the rocker 3 by welding. The joint portions of the upper and lower ends of these reinforcements 12 are covered by the outer panel 11.

  As shown in FIGS. 2 and 4, the reinforcement 12 has a substantially U-shaped cross section. Further, the pillar main body 10 is formed with a curved portion 14 that protrudes toward the vehicle outer side at the center in the vertical direction. The rear plate of the reinforcement 12 has a shape along the outer panel 11. For this reason, both the outer panel 11 and the reinforcement 12 have a curved shape at the bending portion 14. Further, a rear door upper hinge Hu and a rear door lower hinge Hd are provided below the curved portion 14 of the outer panel 11 so that the rear door can be attached and opened and closed.

  A reinforcement member 20 that increases the strength of the center pillar 1 is disposed inside the reinforcement 12, and the reinforcement member 20 is disposed at the innermost side of the vehicle as a member that increases the strength of the center pillar 1. ing. The reinforcing member 20 is made of a linear long material having a substantially U-shaped cross section, and its longitudinal direction is disposed along the extending direction (vertical direction) of the pillar body 10.

  The reinforcing member 20 includes a plate member 21 disposed on the pillar main body 10 side, and a standing portion 22 that rises from the edge of the plate member 21 toward the anti-pillar main body side (vehicle compartment side). Thus, the surface of the reinforcing member 20 that faces the pillar body 10 is straight (planar) as viewed from the side.

  The reinforcing member 20 is disposed on the inner surface of the reinforcement 12 and is joined to the inner surface of the reinforcement 12 by welding fixing Y1 and Y2 at the upper end and the lower end, respectively. Thus, the reinforcing member 20 is integrated with the reinforcement 12.

  Further, the weld fixing Y1 position of the upper end portion of the reinforcing member 20 is disposed above the curved portion 14 of the pillar body 10, and the weld fixing Y2 position of the lower end portion of the reinforcing member 20 is the curved portion 14 of the pillar main body 10. It is arranged below. For this reason, the reinforcing member 20 is joined to the reinforcement 12 in the pillar body 10 at a plurality of positions across the curved portion 14 in the pillar body 10 with respect to the pillar body 10. Further, since the reinforcing member 20 is made of a linear long material and connects the upper and lower joining positions with a straight line, the distance connecting the two joining positions in the reinforcing member 20 is more than the distance connecting the two joining positions in the pillar body 10. Has been shortened.

  Furthermore, as shown in FIG. 5, the roof rail reinforcement 4 is joined to the non-center pillar side (vehicle compartment side) of the position where the center pillar 1 of the roof rail 2 is joined. Further, a floor cloth 5 is joined to the side opposite to the center pillar (vehicle compartment side) where the center pillar 1 of the rocker 3 is joined.

  Next, the operation of the center pillar 1 according to this embodiment will be described. When an injurious vehicle as an obstacle collides from the side of the vehicle, the collision load is mainly received by the center pillar 1. The upper end portion of the center pillar 1 is joined to the roof rail 2, and a collision load is received in the collision axis direction by the roof rail reinforcement 4 joined to the roof rail 2. Similarly, the lower end portion of the center pillar 1 is joined to the rocker 3, and a collision load is received in the collision axial direction by the floor cloth 5 joined to the rocker 3.

  Here, when the vehicle to be injured collides from the side of the vehicle, if there is no reinforcing member 20, as shown in FIG. 6A, the curved portion 14 in the pillar body 10 is caused by the collision loads F1 and F2 due to the collision of the vehicle to be injured. Elongates, and the pillar body 10 enters in the direction of the passenger compartment. In this respect, in the center pillar 1 according to the present embodiment, the reinforcing member 20 is joined to the pillar body 10. Since the reinforcing member 20 is joined at a plurality of positions across the bending portion 14 in the pillar body 10 as shown in FIG. 6 (b), when the bending portion 14 of the pillar body 10 tries to extend, Since the extension is suppressed, the extension of the bending portion 14 is suppressed. By suppressing the extension of the curved portion 14, the center pillar 1 can be effectively prevented from being deformed toward the inside of the vehicle. Moreover, since the reinforcing member 20 is linear, deformation of the center pillar 1 can be suitably suppressed.

  Next, a second embodiment of the present invention will be described. The present embodiment is mainly different from the first embodiment in the properties of the reinforcing member. FIG. 7 is a sectional side view of the center pillar according to the present embodiment, and FIG. As shown in FIGS. 7 and 8, the center pillar 30 according to the present embodiment includes a pillar body 10 and a reinforcing member 31. The pillar main body 10 includes an outer panel 11 and a reinforcement 12 similar to those in the first embodiment.

  As shown in FIG. 8, the reinforcing member 31 includes a plate-like portion 32 and upper and lower joint portions 33 and 34 formed at both upper and lower ends of the plate-like portion 32. The plate-like portion 32 is made of a long material extending in the vertical direction, has a width slightly narrower than the width of the rear surface of the reinforcement 12, and extends from the rear plate of the reinforcement 12 toward the passenger compartment. It is disposed between the standing pieces that stand up.

  Further, the upper joint portion 33 is formed by bending the upper end portion of the plate-like portion 32, and the lower joint portion 34 is formed by bending the lower end portion of the plate-like portion 32. These upper and lower joint portions 33 and 34 and the rear plate of the reinforcement 12 are joined by welding fixation.

  Further, the upper joint portion 33 of the reinforcing member 31 is joined to the reinforcement 12 above the curved portion 14 of the pillar main body 10, and the lower joint portion 34 of the reinforcing member 31 is located above the curved portion 14 of the pillar main body 10. The reinforcement 12 is joined. For this reason, the reinforcing member 31 is joined to the reinforcement 12 in the pillar body 10 at a position straddling the curved portion 14 in the pillar body 10 with respect to the pillar body 10. Further, since the reinforcing member 31 is made of a linear long material and connects the upper and lower joining positions with a straight line, the distance connecting the two joining positions in the reinforcing member 31 is more than the distance connecting the two joining positions in the pillar body 10. Has been shortened. Other configurations are the same as those in the first embodiment.

  In the center pillar 30 according to the present embodiment having the above-described configuration, in the case where an injurious vehicle collides from the side of the vehicle, as in the first embodiment, at a plurality of positions straddling the curved portion 14 in the pillar main body 10. Since the reinforcing member 31 is joined, when the bending portion 14 of the pillar body 10 is about to extend, the extension is suppressed. For this reason, since the extension of the curved portion 14 is suppressed, the deformation of the center pillar 1 toward the inside of the vehicle can be effectively prevented. Moreover, since the reinforcing member 31 is linear, deformation of the center pillar 1 can be preferably suppressed.

  Furthermore, in the center pillar 30 according to the present embodiment, since the plate-like portion 32 is used as the reinforcing member 31, the reinforcing member 31 can be simplified and the weight of the center pillar 30 as a whole can be reduced. Can be planned. Furthermore, since a plate material is used as the reinforcing member 31, the reinforcing member 31 is accommodated in the reinforcement 12 without protruding from the reinforcement 12 toward the vehicle compartment. For this reason, since the reinforcing member can be prevented from protruding into the vehicle interior, the size of the living space in the vehicle interior can be maintained.

  Next, a third embodiment of the present invention will be described. FIG. 9 is a perspective view of a center pillar according to the third embodiment of the present invention. Also in the present embodiment, similar to the second embodiment, the properties of the reinforcing member are mainly different from those in the first embodiment. As shown in FIG. 9, the center pillar 40 according to this embodiment includes a pillar main body 10 and a reinforcing member 41. The pillar main body 10 includes an outer panel 11 and a reinforcement 12 similar to those in the first embodiment.

  As shown in FIG. 9, the reinforcing member 41 includes a plate portion 42 disposed on the pillar body 10 side, a standing portion 43 that rises from the edge of the plate portion 42 toward the anti-pillar body side (vehicle compartment side), It is configured with. Thus, the surface of the reinforcing member 20 that faces the pillar body 10 is straight (planar) as viewed from the side.

  The reinforcing member 41 is disposed on the inner surface of the reinforcement 12 and is joined to the inner surface of the reinforcement 12 by welding fixing Y1 and Y2 at the upper end and the lower end, respectively. . Thus, the reinforcing member 20 is integrated with the reinforcement 12. These points in the standing portion 43 are the same as those of the reinforcing member 20 in the first embodiment.

  Further, the standing portion 43 of the reinforcing member 41 according to the present embodiment has a rising height lower than that of the standing portion 22 of the reinforcing member 20 according to the first embodiment. The height of the standing portion 43 in the standing portion 43 is set to be lower than the height of the standing piece in the curved portion of the reinforcement 12 when the reinforcing member 41 is joined to the reinforcement 12. For this reason, the reinforcing member 41 in the center pillar according to the present embodiment is accommodated in the reinforcement 12 including the standing portion 43. Other points are the same as those in the first embodiment.

  In the center pillar 40 according to the present embodiment having the above-described configuration, in the same manner as in the first embodiment, when an injurious vehicle collides from the side of the vehicle, at a plurality of positions straddling the curved portion 14 in the pillar main body 10. Since the reinforcing member 31 is joined, when the bending portion 14 of the pillar body 10 is about to extend, the extension is suppressed. For this reason, since the extension of the curved portion 14 is suppressed, the deformation of the center pillar 1 toward the inside of the vehicle can be effectively prevented. Moreover, since the reinforcing member 31 is linear, deformation of the center pillar 1 can be preferably suppressed.

  In addition, since the height of the standing portion 43 of the reinforcing member 41 is lower than the height of the standing piece of the reinforcement 12 in the curved portion 14, the reinforcing member 41 extends from the reinforcement 12 toward the passenger compartment. It is in the state accommodated in the reinforcement 12 without protruding. For this reason, since the reinforcing member can be prevented from protruding into the vehicle interior, the size of the living space in the vehicle interior can be maintained. In addition, since the reinforcing member 41 includes not only the plate-like portion but also the standing portion 43, it can exhibit high strength and facilitate welding work.

  In addition, in this embodiment, although the height of the standing part 43 is made low as a whole so that it does not protrude from the reinforcement 12, only the position corresponding to the curved part 14 of the reinforcement 12 is provided. By processing the height of the part low, it can be prevented from projecting from the reinforcement 12.

It is a sectional side view of a center pillar provided with the pillar structure of vehicles concerning a 1st embodiment. It is a principal part perspective view of the center pillar which concerns on 1st Embodiment. It is a principal part side view of the center pillar which concerns on 1st Embodiment. It is the IV-IV sectional view taken on the line of FIG. It is a perspective view which shows the periphery of the center pillar which concerns on 1st Embodiment. (A) is a side view for explaining the transmission of force in the case where a harming vehicle collides from the side in a conventional vehicle, and (a) is a side view in the vehicle including the center pillar according to the first embodiment. It is a side view explaining transmission of force at the time of a collision. It is a sectional side view of the center pillar which concerns on 2nd Embodiment. It is a principal part perspective view of the center pillar which concerns on 2nd Embodiment. It is a principal part perspective view of the center pillar which concerns on 3rd Embodiment. It is a sectional side view of the conventional center pillar.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Center pillar, 2 ... Roof rail, 3 ... Rocker, 4 ... Roof rail reinforcement, 5 ... Floor cross, 10 ... Pillar main body, 11 ... Outer panel, 12 ... Reinforcement, 13 ... Inner panel, 14 ... Curved part, 20 ... reinforcing member, 21 ... plate material, 22 ... standing portion, Hd ... rear door lower hinge, Hu ... rear door upper hinge.

Claims (5)

A pillar main body having a curved portion extending in the vertical direction of the vehicle and having a central portion in the vertical direction protruding toward the vehicle outer side than a straight line connecting both ends in the vertical direction;
A long reinforcing member disposed inside the pillar main body,
The reinforcing member has a longitudinal direction arranged along the extending direction of the pillar body,
The pillar structure for a vehicle according to claim 1, wherein the reinforcing member is joined to the pillar body at a plurality of positions across the curved portion of the pillar body with respect to the pillar body.   The vehicle pillar structure according to claim 1, wherein the reinforcing member is housed inside the pillar body.   The vehicle pillar structure according to claim 1, wherein the reinforcing member has a linear shape.   The vehicle pillar structure according to any one of claims 1 to 3, wherein the reinforcing member has a plate shape.   The said reinforcement member is provided with the plate-shaped part arrange | positioned along the inner surface in the said pillar main body, and the standing part which stands | starts up on the said plate-shaped part, The any one of Claims 1-4. The pillar structure of the vehicle as described in 1.

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