JP6562997B2 - Car body side structure of one-side center pillarless vehicle - Google Patents

Description

  The present invention relates to a vehicle body side structure of a one-side center pillarless vehicle.

  For example, Patent Document 1 discloses a one-side center pillar-less vehicle in which a reinforcing member is provided at a front corner portion on the center pillar-less side and a reinforcing member is provided on a cross member portion.

  In Patent Document 1, it is described that the difference in rigidity between the left and right of the vehicle body can be eliminated by configuring the one-side center pillar-less vehicle in this way.

JP 2004-142683 A

  By the way, on the center pillar-less side, the door opening becomes larger by the absence of the center pillar. In particular, deformation of the front corner portion, which is a connecting portion between the lower frame (side sill) of the door opening and the front frame (lower front pillar), is likely to occur.

  In this regard, in Patent Document 1, reinforcing members are individually provided at the front corner portion and the cross member portion, respectively. However, in patent document 1, the rigidity of the member arrange | positioned between the reinforcement member of a front corner part and the reinforcement member of a cross member part is low. For this reason, in the structure disclosed in Patent Document 1, stress concentrates on the member disposed between the reinforcing member of the front corner portion and the reinforcing member of the cross member portion, thereby eliminating the rigidity difference between the left and right sides of the vehicle body. Is difficult.

  The present invention has been made in view of the above points, and has a vehicle body side part structure for a one-side center pillar-less vehicle capable of improving the rigidity of a side sill from a front corner portion to a portion where an original center pillar should be. The purpose is to provide.

  In order to achieve the above object, according to the present invention, in a vehicle body side part structure of a one-side center pillar-less vehicle, a first side panel outer on a center pillar-less side and a first door opening provided in the first side panel outer; A second side panel outer on the side having a center pillar, a second door opening provided in the second side panel outer, a front reinforcing member for reinforcing a front corner portion of the first door opening, In the side sill of one side panel outer, a center reinforcing member that reinforces a center portion corresponding to a position where the side sill of the second side panel outer and the center pillar are connected, the first side panel outer is Higher rigidity than the same part of the second side panel outer from the front corner portion to the center portion Has a high rigidity portion, said front reinforcement member and the center reinforcement member is characterized by being respectively joined to the high rigidity portion.

  “Corresponding” means that a part of the first side panel outer on the center pillar-less side and a part of the second side panel outer having the center pillar are at the same position in the vehicle front-rear direction.

  According to the present invention, it is possible to obtain a vehicle body side structure of a one-side center pillar-less vehicle that can improve the rigidity of the side sill from the front corner portion to the portion where the original center pillar should be.

1 is a schematic structural perspective view of a vehicle to which a vehicle body side structure according to an embodiment of the present invention is applied. FIG. 2 is a partially transparent side view of a first side panel outer on the center pillar-less side shown in FIG. 1. It is an enlarged side view which shows the front reinforcement member and center reinforcement member joined to the highly rigid part of the 1st side panel outer. (A) is a side view which shows the center reinforcement member joined to the 1st side panel inner, (b) is a side view which shows the other center reinforcement member joined to the 2nd side panel inner. It is an enlarged side view of the center reinforcement member and rear reinforcement member joined to the highly rigid part. It is a top view which shows the lower structure of the vehicle of FIG. (A) is an enlarged plan view showing the upper surface of the center reinforcing member on the center pillar-less side, and (b) is an enlarged plan view showing the upper surface of the center reinforcing member on the side having the center pillar. It is sectional drawing along the VIII-VIII line of Fig.7 (a). FIG. 9 is an end view taken along line IX-IX in FIG. 8. FIG. 9 is an end view taken along line XX in FIG. 8.

  Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

  As shown in FIG. 1, a vehicle (one-side center pillar-less vehicle) 10 to which a vehicle body side structure according to an embodiment of the present invention is applied is opposite to a vehicle body left side portion 12a on the center pillar-less side along the vehicle width direction. The vehicle body right side part 12b of the side which has the center pillar 14 arrange | positioned at the side is comprised. The vehicle body left side 12a on the center pillar-less side is disposed on one side along the vehicle width direction. The vehicle body right side portion 12b on the side having the center pillar 14 is disposed on the other side along the vehicle width direction.

  The vehicle body left side portion 12a includes a first side panel outer 16 (see FIG. 2) provided outside the vehicle body left side portion 12a, and a first side panel inner 17 provided inside the vehicle body left side portion 12a (see FIG. ))). The vehicle body right side portion 12b includes a second side panel outer 18 (see FIG. 2) provided outside the vehicle body right side portion 12b, and a second side panel inner 19 provided inside the vehicle body right side portion 12b (see FIG. 4B). ))).

  The 1st side panel outer 16 is a panel which comprises the outer side wall of the vehicle body left side part 12a. As shown in FIG. 2, the first side panel outer 16 includes a side sill outer 20, a front pillar outer 22, a rear pillar outer 24, and a roof side rail outer 26. The lower sides of the side sill outer 20 and the front pillar outer 22 constitute an integrally formed high rigidity portion 28. The “high rigidity portion 28” will be described in detail later.

  Further, the first side panel outer 16 is formed with a substantially rectangular door opening (first door opening) 30 in a side view. The door opening 30 is formed by an internal space surrounded by the side sill outer 20, the front pillar outer 22, the rear pillar outer 24, and the roof side rail outer 26.

  As shown in FIG. 1, the second side panel outer 18 is a panel constituting the outer wall of the vehicle body right side portion 12 b. The second side panel outer 18 includes a side sill outer 32, a front pillar outer 34, a center pillar outer 36, a rear pillar outer 38, and a roof side rail outer 40.

  The second side panel outer 18 is formed with two door openings along the vehicle longitudinal direction. The two door openings are constituted by a front door opening 42 positioned in front of the center pillar 14 in the vehicle and a rear door opening 44 positioned in the rear of the center pillar 14 in the vehicle. The front door opening 42 and the rear door opening 44 function as second door openings.

  The door opening 30 formed in the first side panel outer 16 has a larger opening area than the front door opening 42 and the rear door opening 44 formed in the second side panel outer 18. The opening area of the door opening 30 is larger than the total opening area obtained by adding the opening area of the front door opening 42 and the opening area of the rear door opening 44.

  As shown in FIG. 2, the first side panel outer 16 on the center pillar-less side has a high rigidity that extends from the front corner portion 46 to the rear pillar via a center portion 48 that is a connecting portion between the side sill and the center pillar. A portion 28 is provided. The center portion 48 is located at the same position in the vehicle front-rear direction as the connecting portion between the side sill of the vehicle body right side portion 12 b on the side having the center pillar 14 and the center pillar 14.

  The high rigidity portion 28 is integrally formed in a substantially L shape when the side sill outer 20 and the lower side of the front pillar outer 22 are viewed from the side. The high rigidity portion 28 has higher rigidity and strength than the side sill outer 32 and the front pillar outer 34 of the second side panel outer 18 having the center pillar 14. For example, in this embodiment, the plate thickness of the first side panel outer 16 on the center pillar-less side is thicker than the plate thickness of the second side panel outer 18 having the center pillar 14. Further, the high rigidity portion 28 has higher rigidity and strength than other portions of the first side panel outer 16. For example, the rigidity and strength of the high-rigidity portion 28 are increased by increasing the thickness of the high-rigidity portion 28 or using a super-high-strength steel plate.

  As shown in FIG. 2, the vehicle rear end portion 28 a of the high-rigidity portion 28 extends to below the rear pillar outer 24. An upper end 28 b on the vehicle front side of the high-rigidity portion 28 formed by the front pillar outer 34 extends from the center of the front pillar outer 22 to the upper side.

  A front reinforcing member 50 having a substantially L shape in side view is joined to the front corner portion 46 of the high-rigidity portion 28. Further, a center reinforcing member 52 that extends substantially linearly along the vehicle longitudinal direction is joined to the center portion 48 of the high-rigidity portion 28.

  The “center portion” refers to the side sill of the first side panel outer 16 connected to the side sill of the second side panel outer 18 and the center pillar 14 from the vehicle rear end of the front reinforcing member 50 to the rear of the vehicle. The position corresponding to the position. The “front corner portion” refers to a portion where the lower end of the front pillar and the front end portion of the side sill are coupled.

  As shown in FIGS. 9 and 10, the axial straight section of the side sill portion of the high-rigidity portion 28 has a substantially hat shape, and includes an upper flange portion 54a, an upper surface portion 54b, a curved portion 54c, and a side wall portion 54d. The lower surface portion 54e and the lower flange portion 54f.

  The center reinforcing member 52 has a substantially hat shape in its axial cross section, and includes an upper flange portion 52a, an upper wall portion 52b, a vertical side wall portion 52c, an inclined wall portion 52d, and a lower flange portion 52e. Yes. The upper end of the upper flange portion 52 a is integrally joined by the side sill outer 20 and the side sill inner 56. A door seal member 58 having a flange portion 58a is attached to the joint portion. The upper wall portion 52b is bent from the lower end of the upper flange portion 52a toward the outer side in the vehicle width direction and extends substantially in the horizontal direction.

  The vertical side wall portion 52c is continuous with the outer end portion of the upper wall portion 52b in the vehicle width direction and extends substantially vertically downward. The inclined wall portion 52d is formed by an inclined surface that is continuous with the lower end portion of the vertical side wall portion 52c and falls from the outer side in the vehicle width direction toward the inner side in the vehicle width direction. The lower flange portion 52e is continuous with the lower end portion of the inclined wall portion 52d, and the lower end thereof is integrally joined by the side sill outer 20 and the side sill inner 56.

  In addition, a plurality of substantially circular openings 60 (see FIGS. 3 and 10) are formed in the vehicle rear end portion on the upper side of the inclined wall portion 52d in a side view. A plurality of substantially rectangular openings 62 (see FIGS. 3 and 9) are formed on the lower side of the inclined wall portion 52d in a side view. The rectangular openings 62 are arranged in a substantially straight line so as to be separated along the vehicle longitudinal direction.

  The upper wall portion 52b of the center reinforcing member 52 includes an upper surface 66 that is longer in the vehicle width direction than the upper wall portion 64b of another reinforcing member 64 described later. That is, the length in the vehicle width direction of the upper surface 66 (see FIG. 7A) of the upper wall portion 52b of the center reinforcing member 52 is greater than the length in the vehicle width direction of the upper surface of the upper wall portion 64b of the other reinforcing members 64. Is also getting longer.

  As shown in FIG. 8, a door striker 68 (door engagement member) and a door catcher (door engagement member) 70 are attached to the upper surface 66 at a predetermined interval along the vehicle front-rear direction. Further, the upper surface 66 includes two mounting surfaces 72 and 72 that are separated from each other in the vehicle front-rear direction of the door catcher 70, and a concave portion 74 that is located between the two mounting surfaces 72 and 72 and is recessed downward. . The recess 74 extends along the vehicle width direction substantially orthogonal to the extending direction of the upper surface 66. A recess 75 (see FIG. 7) is also formed on the upper surface of the side sill outer 20, and the recess 75 is provided at a position overlapping with the recess 74 formed on the upper surface 66 of the center reinforcing member 52 in the vertical direction. (See FIG. 8).

  The door catcher 70 accommodates the convex part 76 (refer FIG. 10) provided in the door which is not shown in figure. The door catcher 70 includes a pair of mounting plates 80 and 80 having bolt mounting holes through which the bolts 78 are inserted, and a catch provided in the door provided between the pair of mounting plates 80 and 80. The part 82 is integrally formed.

  The pair of attachment plates 80 and 80 are provided at the vehicle front end portion and the vehicle rear end portion of the door catcher 70, respectively, and are attached to the attachment surfaces 72 and 72 of the upper surface 66. The catch portion 82 is formed in a bowl shape that rises vertically upward from the two mounting plates 80 and 80 and is coupled to each other. The catch portion 82 includes a bent portion 82a that is continuous with the mounting plate 80, and a top plate portion 82b that is continuous with the upper end of the bent portion 82a. A recess 74 on the upper surface 66 is formed below the top plate portion 82b. The first side panel outer 16 and the center reinforcing member 52 are positioned by a recess 74 formed on the upper surface 66 and then joined to each other by the recess 74.

  The door striker 68 includes a flat mounting plate 84 that has a substantially oval shape in plan view, and a locking portion 86 that protrudes from the mounting plate 84 and bends in a substantially U-shape. When the engaging portion (not shown) provided on the door is engaged with the engaging portion 86, the door is locked.

  Returning to FIG. 3, the front reinforcing member 50 is integrally formed of a vertical wall portion 50 a extending substantially vertically upward and a horizontal wall portion 50 b extending toward the rear of the vehicle substantially orthogonal to the vertical wall portion 50 a. It is structured. An arc-shaped joining flange portion 88a having a substantially arc shape is provided on the upper portion of the connecting portion between the vertical wall portion 50a and the horizontal wall portion 50b. A longitudinal joint flange portion 88b is provided along the vertical direction at the vehicle front end portion of the vertical wall portion 50a. A lateral joint flange portion 88c is provided at the lower end portion of the lateral wall portion 50b along the vehicle longitudinal direction. The front reinforcing member 50 is joined to the high-rigidity portion 28 through the arc-shaped joining flange portion 88a, the longitudinal joining flange portion 88b, and the lateral joining flange portion 88c.

  Another center reinforcing member 64 is interposed between the side sill outer 32 and the side sill inner 33 of the second side panel outer 18 (see FIG. 4B). The other center reinforcing member 64 has a horizontally long rectangular shape when viewed from the side, and extends along the side sill outer 32 along the vehicle front-rear direction. The other center reinforcing member 64 is integrally joined between the side sill outer 32 and the side sill inner 33 via the flange portion.

  An extension length L1 (see FIG. 4A) of the center reinforcing member 52 disposed on the center pillar-less side in the vehicle front-rear direction is equal to that of the other center reinforcing member 64 disposed on the side having the center pillar 14. It is longer than the extension length L2 in the direction (see FIG. 4B) (L1> L2). This will be described in detail later.

  A rear reinforcing member 90 extending from the vehicle rear end portion of the center reinforcing member 52 to the vehicle rear side is disposed on the first side panel outer 16 on the center pillar-less side (see FIG. 5). The rear reinforcing member 90 is not disposed on the second side panel outer 18 on the side having the center pillar 14. The rear reinforcing member 90 has a hat-like cross section in the axial direction and is joined to the high rigidity portion 28. The rear reinforcing member 90 is disposed in the center portion 48 closer to the rear of the vehicle than the center reinforcing member 52.

  The vehicle 10 to which the vehicle body side part structure according to the present embodiment is applied is basically configured as described above. Next, the function and effect will be described.

  In the present embodiment, the first side panel outer 16 has a high rigidity portion 28 having higher rigidity and strength than the same portion of the second side panel outer 18 from the front corner portion 46 to the center portion 48. The front reinforcing member 50 and the center reinforcing member 52 are joined to the highly rigid portion 28, respectively. By connecting the front reinforcing member 50 and the center reinforcing member 52 with the high-rigidity portion 28, the rigidity and strength of the portion (gap) between the front reinforcing member 50 and the center reinforcing member 52 can be increased. As a result, in the present embodiment, the rigidity and strength of the side sill from the front corner portion 46 to the portion where the original center pillar should be (center portion 48) is improved, and distortion applied to the door opening 30 is suppressed. Can do.

  In the present embodiment, the rigidity and strength between the front reinforcing member 50 and the center reinforcing member 52 are higher than the side having the center pillar 14 due to the high rigidity portion 28. Thereby, in this embodiment, the difference in rigidity of the vehicle body between the vehicle body left side portion 12a on the center pillar-less side and the vehicle body right side portion 12b on the side having the center pillar 14 can be more reliably reduced.

  Further, in the present embodiment, the position where the side sill and the center pillar 14 are connected between the side sill outer 32 and the side sill inner 33 of the second side panel outer 18 that is the side having the center pillar 14 is reinforced. A center reinforcing member 64 is interposed. By arranging another center reinforcing member 64 also on the second side panel outer 18 side, the vehicle body strength against the input load applied at the time of a frontal collision can be increased.

  Furthermore, in the present embodiment, the extension length L1 of the center reinforcing member 52 arranged on the center pillar-less side in the vehicle front-rear direction is equal to that of the other center reinforcing member 64 arranged on the side having the center pillar 14 in the vehicle front-rear direction. It is longer than the extension length L2 in the direction (L1> L2). Accordingly, in the present embodiment, the center reinforcing member 52 on the center pillar-less side can be disposed closer to the front corner portion 46. As a result, in this embodiment, the difference in rigidity between the left and right of the vehicle body can be suppressed.

  Furthermore, in the present embodiment, the length W1 (see FIG. 7A) of the upper surface 20a of the side sill outer 20 of the first side panel outer 16 in the vehicle width direction is the same as that of the side sill outer 32 of the second side panel outer 18. The upper surface 32a is longer than the length W2 in the vehicle width direction (see FIG. 7B) (W1> W2). A door engaging member such as a door catcher 70 and a door striker 68 is attached to the upper surface 20a of the side sill outer 20 as shown in FIG. Thereby, in this embodiment, the attachment rigidity of door engaging members, such as the door catcher 70 and the door striker 68, can be improved using the center reinforcement member 52. FIG. In this embodiment, both the door catcher 70 and the door striker 68 are attached to the upper surface 66, but the case where either one is attached to the upper surface 66 is also included.

  Furthermore, in this embodiment, the center reinforcing member 52 has an upper surface 66 that is longer in the vehicle width direction than the other center reinforcing members 64 (see FIG. 7A). That is, the length in the vehicle width direction of the upper surface 66 of the upper wall portion 52b of the center reinforcing member 52 (see FIG. 9) is longer than the length in the vehicle width direction of the upper surfaces of the upper wall portions 64b of the other reinforcing members 64. ing. Thereby, in this embodiment, since the upper surface 66 of the center reinforcing member 52 on the center pillar-less side is longer than the other center reinforcing members 64, the difference in rigidity between the left and right sides of the vehicle body can be reduced.

  Furthermore, in the present embodiment, the upper surface 66 of the center reinforcing member 52 is positioned between the two mounting surfaces 72, 72 spaced apart along the vehicle front-rear direction of the door catcher 70 and the two mounting surfaces 72, 72. And a recess 74 recessed downward. In the present embodiment, by providing the recess 74 between the two attachment surfaces 72, 72, it is possible to suppress the upward protrusion amount of the catch portion 82 (top plate portion 82b) of the door catcher 70. Thereby, in this embodiment, the protrusion amount to the upper direction of the door opening part 30 (flange part 58a of the door seal member 58) can be reduced, and the boarding / alighting property in a passenger compartment can be improved.

  Furthermore, in this embodiment, the recess 74 formed on the upper surface 66 functions as a reinforcing bead, so that the mounting rigidity of the door catcher 70 with respect to the upper surface 66 can be increased.

  Furthermore, in the present embodiment, the first side panel outer 16 and the center reinforcing member 52 are joined by the concave portions 74 formed on the upper surface 66, respectively. When the center reinforcing member 52 is joined to the first side panel outer 16, the recess 74 can be used for positioning. Thereby, in this embodiment, it becomes possible to prevent the position shift at the time of joining with the 1st side panel outer 16 and the center reinforcement member 52, and the assembly | attachment property of the door catcher 70 can be improved.

  Furthermore, in the present embodiment, a rear reinforcing member 90 extending from the center portion 48 to the rear of the vehicle is disposed on the first side panel outer 16. In the present embodiment, by providing the rear reinforcing member 90 on the vehicle rear side with respect to the center portion 48, distortion on the vehicle rear side of the door opening 30 can be prevented, and the difference in rigidity between the left and right sides of the vehicle body can be further reduced. Can do.

10 vehicle (one-side center pillarless vehicle)
14 Center pillar 16 1st side panel outer 18 2nd side panel outer 20 Side sill outer 20a Upper surface 28 High-rigidity part 30 Door opening part (1st door opening part)
42 Front door opening (second door opening)
44 Rear door opening (second door opening)
46 Front corner portion 48 Center portion 50 Front reinforcing member 52 Center reinforcing member 64 Other center reinforcing member 68 Door striker (door engaging member)
70 Door catcher (door engagement member)
74 Concave portion 76 Convex portion 90 Rear reinforcing member

Claims (6)

In the vehicle body side structure of a one-side center pillarless vehicle,
A first side panel outer on the center pillar-less side and a first door opening provided in the first side panel outer;
A second side panel outer on the side having a center pillar and a second door opening provided in the second side panel outer;
A front reinforcing member for reinforcing a front corner portion of the first door opening;
In the side sill of the first side panel outer, a center reinforcing member for reinforcing a center portion corresponding to a position where the side sill of the second side panel outer and the center pillar are connected;
With
The first side panel outer has a high-rigidity portion that is more rigid than the same portion of the second side panel outer from the front corner portion to the center portion,
The vehicle body side part structure of a one-side center pillarless vehicle, wherein the front reinforcing member and the center reinforcing member are respectively joined to the high-rigidity part. In the vehicle body side part structure of the one-side center pillarless vehicle according to claim 1,
The second side panel outer has another center reinforcing member that reinforces a position where the side sill and the center pillar are connected,
The vehicle body side structure of a one-side center pillar-less vehicle, wherein an extension length of the other center reinforcing member in the vehicle front direction is shorter than an extension length of the center reinforcing member in the vehicle front direction. In the vehicle body side part structure of the one-side center pillarless vehicle according to claim 1,
The length in the vehicle width direction of the upper surface of the side sill of the first side panel outer is longer than the length of the upper surface of the side sill of the second side panel outer in the vehicle width direction,
A vehicle body side part structure for a one-side center pillarless vehicle, wherein a door engaging member is attached to the upper surface of the side sill of the first side panel outer. In the vehicle body side part structure of the one-side center pillarless vehicle according to claim 3,
The door engaging member includes a door catcher that accommodates a convex portion provided on the door,
The one-side center pillarless, wherein the upper surface has at least two mounting surfaces spaced apart along the vehicle front-rear direction of the door catcher, and a concave portion that is located between the two mounting surfaces and is recessed downward. Vehicle body side structure. In the vehicle body side part structure of the one-side center pillar-less vehicle according to claim 4,
The vehicle body side part structure of a one-side center pillar-less vehicle, wherein the first side panel outer and the center reinforcing member are respectively joined by the recess. The vehicle body side part structure of a one-side center pillarless vehicle according to any one of claims 1 to 5,
A vehicle body side part structure for a one-side center pillarless vehicle, wherein a rear reinforcing member extending rearward from the center part is disposed on the first side panel outer.

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