JP5195280B2 - Division bar mounting structure - Google Patents

Description

  The present invention relates to a division bar mounting structure in which a division bar main body that extends along a vehicle vertical direction by dividing a lift glass and a fixed glass on the upper side of a door main body is attached to the door main body.

Patent Document 1 below discloses a structure in which a division bar that divides elevating glass and fixed glass is attached to a window portion of a rear side door. In this structure, the division bar is fixed to the door inner panel with a fastening bolt via a bracket.
JP 2000-302171 A

  However, according to the above prior art, if the bolt fastening position of the lower part of the division bar is arranged on the vehicle side of the division bar, the fastening bolt and the division bar may interfere with each other at the time of a side collision, and the deformation of the division bar may be hindered. is there. For this reason, there is a room for improvement because it is necessary to limit the design of the division bar to be moved to the front side of the vehicle.

  In consideration of the above facts, the present invention provides a division bar mounting structure that can suppress the deformation of the division bar due to interference between the fastening bolt and the division bar at the time of a side collision, and that can maintain a good design. The purpose is to obtain.

The division bar mounting structure according to the first aspect of the invention extends in the vertical direction of the vehicle by dividing the elevating glass and the fixed glass disposed on the upper side of the door body including the door inner panel and the door outer panel. And at least one of the connecting member and the division bar main body, a division bar main body whose lower end is inserted into the door main body, a connecting member for fastening and fixing the lower end of the division bar main body to the door inner panel, provided, have a, a weakened portion formed in the vehicle lower side of the belt line of the division bar body, vehicle lower fastening position to the door inner panel of the connecting member relative to the division bar body And the connecting member is joined to the lower end of the division bar body. Both of the connecting members are bent from the vertical wall portion in which the lower end portion of the connecting member extends in the vehicle width direction and the vehicle lower side, and the edge portion of the vertical wall portion in the vehicle width direction and is fastened and fixed to the door inner panel. The weak body portion is a connecting member side cut formed at an intermediate portion of the vertical wall portion between a joint portion of the connecting member to the division bar main body and a fastening portion of the door inner panel. Has a notch .

According to a second aspect of the present invention, in the division bar mounting structure according to the first aspect, the weak body portion includes a bar main body-side notch formed at an intermediate portion of the division bar main body.

According to a third aspect of the present invention, in the division bar mounting structure according to the first or second aspect, the connecting member side notch portions are formed on the upper edge portion and the lower edge portion of the middle portion of the vertical wall portion. Yes.

  According to the first aspect of the present invention, the division bar main body is extended along the vehicle vertical direction by dividing the elevating glass and the fixed glass arranged on the upper side of the door main body. A lower end portion is inserted into a door main body including a door inner panel and a door outer panel. The lower end of the division bar main body is fastened and fixed to the door inner panel by a connecting member, and at least one of the connecting member and the division bar main body is formed with a weak body portion below the belt line of the division bar main body. ing. At the time of a side collision, a weak body portion formed on at least one of the connecting member and the division bar main body is deformed below the belt line of the division bar main body, and deformation of at least one of the connecting member and the division bar main body is promoted. Accordingly, it is possible to suppress the deformation of the division bar main body from being disturbed by interference between the fastening portion of the connecting member and the division bar main body at the time of a side collision.

The fastening position of the connecting member to the door inner panel is offset to the vehicle lower side with respect to the division bar main body, and the connecting member is joined to the lower end of the division bar main body and the lower end of the connecting member is A vertical wall portion that extends inward in the vehicle width direction and on the vehicle lower side, and an attachment portion that is bent from an edge of the vertical wall portion on the inner side in the vehicle width direction and fastened and fixed to the door inner panel. Furthermore, weakened portion is provided with a connecting member side hollow portion formed in the middle portion of the vertical wall portion definitive during fastening portion between the joint portion and the door inner panel to the division bar body of the connecting member. Since the fastening position of the connecting member to the door inner panel is offset to the vehicle lower side with respect to the division bar main body, the connecting member is deformed on the vehicle lower side with respect to the division bar main body at the time of a side collision. Furthermore, the deformation of the connecting member is promoted by the connecting member-side cutout portion, and the shape of the connecting member after the deformation is controlled, so that the interference between the fastening portion of the connecting member and the division bar main body is more effective. Can be suppressed.

According to the second aspect of the present invention, the weak body portion includes a bar main body side cutout portion formed in an intermediate portion of the division bar main body, and the bar main body side cut of the intermediate portion of the division bar main body at the time of a side collision. Deformation near the notch is promoted. Thereby, interference with a fastening part and a division bar main body can be suppressed further.
According to the third aspect of the present invention, the connecting member side notch portions are formed in the upper edge portion and the lower edge portion of the intermediate portion of the vertical wall portion, and the connecting member side notch portion deforms the connecting member. In addition to being promoted and controlling the deformed shape of the connecting member, interference between the fastening portion of the connecting member and the division bar body can be more effectively suppressed.

  As described above, the division bar mounting structure according to the first aspect of the present invention can prevent the deformation of the division bar main body from being disturbed by the interference between the fastening portion of the connecting member and the division bar main body. In addition, it has an excellent effect that the design properties can be maintained well.

The division bar mounting structure according to the second aspect of the present invention has an excellent effect that interference between the fastening portion and the division bar main body can be further suppressed.

The division bar mounting structure according to the third aspect of the present invention has an excellent effect that interference between the fastening portion and the division bar main body can be more effectively suppressed.

  Hereinafter, an embodiment of a division bar mounting structure according to the present invention will be described with reference to FIGS. In these drawings, an arrow FR appropriately shown indicates the vehicle front side, an arrow UP indicates the vehicle upper side, and an arrow IN indicates the vehicle width direction inner side.

  FIG. 1 is a side view showing an overall configuration of a vehicle side portion to which the division bar mounting structure according to the present embodiment is applied. 2 is a cross-sectional view of the division bar mounting structure according to the present embodiment, and FIG. 3 is a perspective view of the division bar main body and the connecting member used in the division bar mounting structure according to the present embodiment. The figure is shown.

  As shown in FIG. 1, an opening 13 is provided between the upper edge 11 </ b> A and the lower edge 11 </ b> B of the vehicle body side portion 10, and the front edge of the opening 13 is substantially along the vehicle vertical direction. A front pillar 12 is provided. A center pillar 14 is disposed in the middle portion of the opening 13 along the vehicle vertical direction, and a rear pillar 16 is disposed along the vehicle vertical direction at the rear edge of the opening 13. . A front side door 18 is disposed in the opening 13 between the front pillar 12 and the center pillar 14. A rear side door 20 is disposed in the opening 13 between the center pillar 14 and the rear pillar 16. Belt lines 22 are lines along the upper edges of the front side door 18 of the vehicle body side portion 10 and the door main body portions 18A and 20A of the rear side door 20.

  The door main body 20A of the rear side door 20 includes a door outer panel 24 disposed outside the vehicle interior, and a door inner panel 26 (contained on the vehicle interior side and integrated with the door outer panel 24 by hemming to form a closed cross section). (See FIG. 6). The rear side door 20 includes a division bar main body 32 that extends along the vehicle vertical direction by dividing the elevating glass 28 and the fixed glass 30 disposed on the upper side of the door main body 20A. A lower end 32A of 32 is inserted between the door inner panel 26 and the door outer panel 24 which are inside the door main body 20A.

  As shown in FIGS. 3 to 6, the division bar main body 32 has a substantially H-shaped cross section along the vehicle front-rear direction by bending a single plate-like member. The lower end portion 32A of the division bar main body 32 is fastened and fixed to the door inner panel 26 (see FIG. 6) via a connecting member 34. The connecting member 34 is formed in a substantially L shape in a plan view of the vehicle. The connecting member 34 is arranged in the vehicle width direction and joined to the lower end portion 32A of the division bar main body 32, and the lower end portion is obliquely downward on the front side of the vehicle. A vertical wall portion 34A that extends and a mounting portion 34B that is bent from the edge of the vertical wall portion 34A toward the vehicle front side and fastened and fixed to the door inner panel 26 (see FIG. 6). The attachment portion 34B is formed in a semicircular shape, and includes a nut portion 38 to which a bolt 36 is fastened and fixed at the center portion.

  The vertical wall portion 34A of the connecting member 34 is joined to a planar joining portion 32B formed at the lower end portion 32A of the division bar main body 32 by a welding portion 40 such as spot welding. Further, in the vicinity of the middle portion of the vertical wall portion 34A, a concave connecting member side notch portion 34C as a weak body portion is formed at the upper edge portion and the lower edge portion. As shown in FIG. 1, the connecting member side cutout 34 </ b> C of the vertical wall 34 </ b> A is formed on the vehicle lower side of the belt line 22 of the division bar main body 32. Further, as shown in FIG. 6, the attachment portion 34 </ b> B of the connecting member 34 is disposed in a surface contact state with the door inner panel 26, and is inserted into the bolt through hole 27 formed in the door inner panel 26 from the inside in the vehicle width direction. The bolt 36 is inserted and screwed into the nut portion 38 of the connecting member 34, whereby the lower end portion 32 </ b> A of the division bar main body 32 is fastened and fixed to the door inner panel 26 via the connecting member 34.

  The lower end portion of the vertical wall portion 34A of the connecting member 34 extends obliquely downward on the front side of the vehicle, and the fastening position of the bolt 36 with the door inner panel 26 of the connecting member 34 is at the lower end portion 32A of the division bar main body 32. On the other hand, it is offset to the vehicle lower side. This prevents interference between the bolt 36 and the division bar main body 32 when the connecting member 34 is deformed during a side collision (high collision). The opening / closing durability performance of the division bar main body 32 during normal use is determined by the offset amount of the bolt 36 and the division bar main body 32 in the longitudinal direction of the vehicle. Even if the division bar main body 32 is offset to the vehicle lower side, the opening / closing durability performance of the division bar main body 32 is not deteriorated. In other words, even if the fastening position of the bolt 36 of the connecting member 34 is offset to the vehicle lower side with respect to the division bar main body 32, the offset in the vehicle front-rear direction of the bolt 36 and the division bar main body 32 is compared with the conventional structure. Since it does not change, the opening / closing durability performance of the division bar main body 32 is not deteriorated.

  On the rear wall surface of the intermediate portion of the division bar main body 32, a bar main body side cutout portion 42 is formed as a weak portion cut out in a concave shape on the vehicle front side. The bar body side cutout portion 42 of the division bar body 32 is formed on the vehicle lower side of the belt line 22 of the division bar body 32.

  As shown in FIG. 2, a rubber seal member 44 is mounted on the rear side of the vehicle on the upper side of the division bar main body 32. A recess 44A is formed on the vehicle rear side of the seal member 44, and the front end portion of the fixed glass 30 is inserted into the recess 44A. A rubber door glass run 46 is mounted on the front side of the vehicle on the upper side of the division bar main body 32. The door glass run 46 includes a substantially U-shaped attachment base 46A that opens toward the front side of the vehicle. Further, the door glass run 46 includes an inner lip 46B on the inner side of the vehicle that protrudes outward in the vehicle width direction at both ends of the mounting base portion 46A on the vehicle front side, and an outer lip 46C on the outer side of the vehicle that protrudes inward in the vehicle width direction. And. As the elevating glass 28 moves up and down between the inner lip 46B and the outer lip 46C, the inner lip 46B and the outer lip 46C retreat, and the inner lip 46B and the outer lip 46C adhere to the elevating glass 28 to seal the elevating glass 28. Is configured to do.

  Next, the operation and effect of this embodiment will be described.

  The connecting member 34 that fixes the lower end portion 32A of the division bar main body 32 to the door inner panel 26 is formed with a concave connecting member side notch portion 34C on the upper edge portion and the lower edge portion in the vicinity of the middle portion of the vertical wall portion 34A. Has been. At the time of a side collision of the vehicle, the connecting member 34 bends in a line along the connecting member side cutout portion 34 </ b> C arranged in the vehicle vertical direction below the belt line 22 of the division bar main body 32. At that time, the fastening position of the bolt 36 with the door inner panel 26 of the connecting member 34 is offset to the vehicle lower side with respect to the division bar main body 32, so that the connecting member 34 is connected in the vehicle vertical direction at the time of a side collision. It is possible to prevent the bolt fastening portion of the connecting member 34 and the division bar main body 32 from interfering when bent along the side cutout portion 34C. For this reason, it is possible to prevent the deformation of the division bar main body 32 from being hindered.

  Further, the deformation of the connecting member 34 is promoted by the connecting member side cutout portion 34C, and the shape of the connecting member 34 after the deformation is controlled, and the interference between the bolt fastening portion and the division bar main body 32 is more effectively prevented. can do.

  Moreover, the bar main body side notch part 42 is formed in the intermediate part of the division bar main body 32, and the deformation | transformation of the bar main body side notch part 42 vicinity of the division bar main body 32 is accelerated | stimulated at the time of a side collision. Thereby, interference with the bolt fastening part of the connection member 34 and the division bar main body 32 can be prevented more reliably.

  On the other hand, as shown in FIGS. 7 and 8, in the division bar mounting structure according to the comparative example, the lower end portion 100 </ b> A of the division bar main body 100 is fastened and fixed to the door inner panel (not shown) via the connecting member 102. ing. The connecting member 102 is formed in an approximately L shape in a plan view of the vehicle, and is disposed along the vehicle width direction and is connected to the joint portion 100B of the division bar main body 100, and the vertical wall portion 102A. An attachment portion 102B that is bent from the edge of the portion 102A toward the front side of the vehicle and fastened and fixed to a door inner panel (not shown).

  In such a configuration, the fastening position of the lower end portion 100A of the division bar main body 100 is arranged on the vehicle side of the division bar main body 100, and the fastening bolt and the division bar main body 100 interfere with each other at the time of a side collision and the division bar main body 100 100 deformations may be hindered.

  On the other hand, in this embodiment, when the connecting member 34 is bent along the connecting member side notch 34C in the vehicle vertical direction at the time of a side collision, the bolt fastening portion of the connecting member 34 and the division bar main body 32 are separated. Interference can be prevented, and deformation of the division bar main body 32 can be prevented from being hindered.

  In addition, the shape and position of the connection member side cutout portion 34 </ b> C formed in the connection member 34 are not limited to the above embodiment, and may be other shapes.

  In addition, the shape and position of the bar main body side notch 42 formed in the intermediate part of the division bar main body 32 are not limited to the said embodiment, Other shapes may be sufficient.

  Moreover, in the said embodiment, although both the connection member side notch part 34C and the bar main body side notch part 42 as a weak body part are provided, it is not necessarily required to provide both, and you may provide separately. In addition, the weak body portion is not limited to the cutout portion of the above-described embodiment, and may be, for example, a thin portion or a shape that is easily deformed when a bead is provided and hits another member.

It is a side view which shows the vehicle side part to which the division bar attachment structure concerning one Embodiment was applied. It is a cross-sectional view which shows the division bar main body used for the division bar mounting structure which concerns on one Embodiment. It is a perspective view which shows the division bar main body and connection member which are used for the division bar attachment structure concerning one Embodiment. It is the side view seen from the vehicle width direction inner side which shows the division bar main body and connection member which are used for the division bar mounting structure which concerns on one Embodiment. It is the side view seen from the vehicle front side which shows the division bar main body and connection member which are used for the division bar attachment structure concerning one Embodiment. It is a cross-sectional view which shows the division bar main body and connection member which are used for the division bar mounting structure which concerns on one Embodiment. It is the side view seen from the vehicle front side which shows the division bar main body and connection member which are used for the division bar mounting structure concerning a comparative example. It is the side view seen from the vehicle width direction inner side which shows the division bar main body and connection member which are used for the division bar mounting structure which concerns on a comparative example.

Explanation of symbols

10 Body side 20 Rear side door (door)
20A Door body (door body)
22 Belt line 24 Door outer panel 26 Door inner panel 28 Elevating glass 30 Fixed glass 32 Division bar main body 32A Lower end part 32B Attachment part 34 Connecting member 34B Joining part (fastening part)
34C Connection member side notch (weak body)
36 bolt (fastening part)
42 Bar body side cutout (weak body)

Claims (3)

The elevating glass and the fixed glass arranged on the upper side of the door main body including the door inner panel and the door outer panel are divided and extended along the vehicle vertical direction, and the lower end portion is inserted into the door main body. Division bar body,
A connecting member that fastens and fixes the lower end of the division bar body to the door inner panel;
A weak body provided on at least one of the connecting member and the division bar main body, and formed on the vehicle lower side of the belt line of the division bar main body;
I have a,
The fastening position of the connecting member to the door inner panel is offset to the vehicle lower side with respect to the division bar main body,
The connecting member includes a vertical wall portion in which the lower end portion of the division bar body is joined and the lower end portion of the connecting member extends in the vehicle width direction and the vehicle lower side, and the vertical wall portion on the vehicle width direction inner side. An attachment portion that is bent from an edge portion and fastened and fixed to the door inner panel;
The weak body portion includes a connection member-side cutout formed at an intermediate portion of the vertical wall portion between a joint portion of the connection member to the division bar main body and a fastening portion of the door inner panel. Mounting structure. The division bar mounting structure according to claim 1, wherein the weak body portion includes a bar main body-side cutout portion formed in an intermediate portion of the division bar main body . The division bar mounting structure according to claim 1 or 2 , wherein the connection member side notch is formed in an upper edge portion and a lower edge portion of an intermediate portion of the vertical wall portion .

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