JP5434809B2 - Vehicle front pillar structure - Google Patents

Description

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

  Patent Document 1 discloses a vehicle front provided with a hollow member that is formed in a closed cross-sectional shape by hydroforming and has a depth dimension in the direction along the driver's line of sight set greater than a horizontal width dimension. A pillar structure is disclosed.

JP 2006-182079 A JP 2006-182092 A Japanese Utility Model Publication No. 57-189975 Japanese Utility Model Publication No. 1-114346 Japanese Utility Model Publication No. 3-40670

  However, in the front pillar structure of the vehicle described in Patent Document 1, the hollow member (front pillar) can be secured by reducing the width of the hollow member (front pillar), but the hollow member is formed by hydroforming that requires large-scale equipment. This increases the cost.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle front pillar structure that can achieve both a view from a passenger compartment and cost reduction.

In order to solve the above-mentioned problem, the front pillar structure of the vehicle according to claim 1 constitutes a main body portion of a front pillar provided in a longitudinal shape along a vertical edge portion of the windshield glass, and roll forming processing. Alternatively, it is formed in a closed cross-sectional shape by UO press bending, and the lateral width viewed from the extending direction is narrower than the vertical width along the extending direction extending to the front seat side, and the vehicle front-rear direction front side A closed cross-section portion fixed to the vertical edge portion and a closed cross-section portion that extends from the circumferential end of the closed cross-section portion to the outside of the closed cross-section portion and overlaps each other. When the side door provided on the rear side in the vehicle front-rear direction of the front pillar is closed, the gap between the side door and the front pillar is sealed. Rutotomoni, a weather strip attached to the pair of flange portions, and the inner garnish provided on the vehicle inner side of the closed-section portion, said inner garnish and the closed-section portion in the Freon sheet side of the closed-section portion A wiring member or a curtain airbag accommodated in the space formed by the above.

  According to the front pillar structure of the vehicle, the closed cross-sectional portion constituting the main body portion of the front pillar extends to the front seat side, and has a lateral width viewed from the extending direction rather than a vertical width along the extending direction. The structure is narrow and narrow. Moreover, since the vertical edge portion of the windshield glass is fixed to the front side wall portion of the closed cross-section portion, a flange that may narrow the view from the passenger compartment is closed to fix the vertical edge portion. There is no need to set to. Therefore, from the above, the field of view from the passenger compartment can be secured.

  In addition, roll forming or UO press bending is used to form the closed cross section, and, for example, a large-scale facility is not required as compared with the case of using hydroform molding, so that the cost can be reduced. it can. Moreover, the pair of flange portions formed during the roll forming process or the UO press bending process is used as an attachment part for attaching the weather strip. Accordingly, there is no need to newly set a mounting portion for mounting the weather strip, and this can also reduce the cost.

  The vehicle front pillar structure according to claim 2 is the vehicle front pillar structure according to claim 1, wherein the front side wall portion bulges forward in the vehicle front-rear direction between ridge lines on both sides in the vehicle width direction. The bulging part which forms is formed, and the front-end | tip part of the said bulging part is set as the structure fixed to the said vertical edge part.

  According to the front pillar structure of this vehicle, for example, even when the shape of the windshield glass is different for each vehicle type, for example, before the closed cross section is formed by roll forming or UO press bending, If the amount of bulging to the front side in the vehicle front-rear direction is adjusted, the dimension between the tip portion of the bulging portion and the vertical edge portion can be kept constant. Thereby, since it can respond to the windshield glass of a different shape, the freedom degree of a vehicle design is securable.

  Moreover, since the bulging part is formed between the ridge lines on both sides in the vehicle width direction in the front side wall part, and the ridge line is secured, the strength and rigidity of the closed cross section can be secured.

  The vehicle front pillar structure according to claim 3 is the vehicle front pillar structure according to claim 1 or 2, wherein the closed cross-sectional portion has a pair of side wall portions extending toward the front seat side, At least one of the pair of side walls is formed with a bead that bulges inward of the closed cross section and extends in the longitudinal direction of the front pillar.

  According to the front pillar structure of the vehicle, a bead extending in the longitudinal direction of the front pillar is formed on at least one of the pair of side walls constituting the closed cross section. Accordingly, the ridge line extending in the longitudinal direction of the front pillar can be increased by the bead, and therefore the strength and rigidity of the closed cross-section can be improved.

  In addition, since this bead is bulged to the inside of the closed cross section, it is possible to prevent the field of view from the passenger compartment from becoming narrow due to the formation of this bead.

  The vehicle front pillar structure according to claim 4 is the vehicle front pillar structure according to any one of claims 1 to 3, wherein the closed cross-sectional portion has a roll forming process or a UO press bending process. When the closed cross-section portion is formed, a portion of the closed cross-section portion is formed by being bent outwardly from the closed cross-section portion, and a rib extending in the longitudinal direction of the front pillar is formed. It is configured.

  According to the front pillar structure of the vehicle, since the ribs extending in the longitudinal direction of the front pillar are formed in the closed cross section, the strength and rigidity of the closed cross section can be improved.

  In addition, the rib is formed by bending a part of the closed cross-section portion to the outside of the closed cross-section portion when the closed cross-section portion is formed by roll forming or UO press bending. . Therefore, since it is not necessary to add an additional process or a member for forming the rib, it is possible to suppress an increase in cost due to the addition of the rib.

  The front pillar structure of the vehicle according to claim 5 is provided on both sides of the rib in the front pillar structure of the vehicle according to claim 4, and is routed along a longitudinal direction of the front pillar. A plurality of routing members are further provided.

  According to the front pillar structure of the vehicle, since the rib plays a role as a sill between the plurality of routing members, the plurality of routing members can be prevented from interfering with each other.

  The vehicle front pillar structure according to claim 6 is the vehicle front pillar structure according to claim 4, further comprising a curtain airbag that can be inflated and deployed so as to cover the side glass provided in the side door from the vehicle inner side. And the rib is configured to restrict a deployment direction of the curtain airbag by applying a reaction force to the curtain airbag when the curtain airbag is inflated and deployed.

  According to the front pillar structure of the vehicle, when the curtain airbag is inflated and deployed, the ribs regulate the deployment direction of the curtain airbag by applying a reaction force to the curtain airbag. Therefore, there is no need to add a dedicated member or the like in order to regulate the deployment direction of the curtain airbag, so that the cost can be reduced.

  A vehicle front pillar structure according to a seventh aspect is the vehicle front pillar structure according to the fourth aspect, wherein the rib is provided on the vehicle width direction outer side of the vertical edge portion, and the front pillar on the vehicle outer side. A side outer panel that is provided and welded in a state in which the terminal portion on the front side in the vehicle front-rear direction is overlapped with the rib, the vertical edge portion, the rib, and the molding portion that covers the terminal portion from the outside of the vehicle, A first seal portion that seals between the molding portion and the vertical edge portion; a second seal portion that seals between the molding portion and a side surface portion on the vertical edge portion side of the rib; and the molding portion. And an outer molding having a third seal portion that seals between the end portions of the ribs.

  According to the front pillar structure of the vehicle, the terminal portion on the front side in the vehicle front-rear direction of the side outer panel is welded in a state where it is overlapped with the rib. It is used as a fixing part for fixing to the pillar. Therefore, it is not necessary to newly set a fixing portion for fixing the terminal portion on the front side in the vehicle front-rear direction of the side outer panel to the front pillar, so that the cost can be reduced.

  Moreover, between a molding part and a vertical edge part, between a molding part and the side part by the side of the vertical edge part in a rib, and between a molding part and the front-end | tip part of a rib, a 1st seal part and a 2nd seal And a third seal portion, respectively, to form a triple seal structure. Accordingly, it is possible to prevent water from entering the inside of the vehicle from between the terminal portion on the front side in the vehicle front-rear direction of the side outer panel and the rib.

  The vehicle front pillar structure according to claim 8 is the vehicle front pillar structure according to claim 4, wherein the rib is provided on the vehicle width direction outer side of the vertical edge portion, and the vertical edge portion and the rib And an outer molding which is fitted to the rib and fixed to the front pillar.

  According to the front pillar structure of this vehicle, the rib is used as a fitting portion for fixing the outer molding to the front pillar. Accordingly, there is no need to newly set a fitting portion for fixing the outer molding to the front pillar, and the cost can be reduced.

  The vehicle front pillar structure according to claim 9 is the vehicle front pillar structure according to any one of claims 1 to 8, wherein the closed cross section has a roll forming process or a UO press bending process. When the closed cross section is formed, an engaging portion formed by bending a part of the closed cross section is formed to cover the front pillar from the inside of the vehicle and engage with the engaging portion. And an inner garnish having a terminal portion.

  According to the front pillar structure of this vehicle, the engaging portion engaged with the terminal portion of the inner garnish has a part of the closed cross-sectional portion formed when the closed cross-sectional portion is formed by roll forming or UO press bending. It is formed by being bent. Therefore, since it is not necessary to add an additional process or an additional member for forming the engaging portion, it is possible to suppress an increase in cost due to the addition of the engaging portion.

  As described above in detail, according to the present invention, it is possible to achieve both visibility from the passenger compartment and cost reduction.

It is a side view showing composition of a front pillar peripheral part in vehicles to which a front pillar structure of vehicles concerning a first embodiment of the present invention is applied. FIG. 2 is an enlarged sectional view taken along line 2-2 of FIG. It is a principal part expanded sectional view of FIG. It is a principal part expanded sectional view corresponding to FIG. 3 which shows the modification of the front pillar structure of the vehicle which concerns on 1st embodiment of this invention. It is sectional drawing corresponding to FIG. 2 which shows the front pillar structure of the vehicle which concerns on 2nd embodiment of this invention. It is sectional drawing corresponding to FIG. 2 which shows the modification of the front pillar structure of the vehicle which concerns on 2nd embodiment of this invention. It is a principal part expanded sectional view corresponding to FIG. 3 which shows the modification of the front pillar structure of the vehicle which concerns on 2nd embodiment of this invention. It is sectional drawing corresponding to FIG. 2 which shows the front pillar structure of the vehicle which concerns on 3rd embodiment of this invention. It is sectional drawing corresponding to FIG. 2 which shows the front pillar structure of the vehicle which concerns on 4th embodiment of this invention. It is sectional drawing corresponding to FIG. 2 which shows the front pillar structure of the vehicle which concerns on 5th embodiment of this invention.

[First embodiment]
First, a first embodiment of the present invention will be described.

  Note that an arrow UP, an arrow FR, and an arrow OUT shown in each figure respectively indicate the vehicle up-down direction upper side, the vehicle front-rear direction front side, and the vehicle width direction outer side (left side). In the following, an example in which the front pillar structure of the vehicle is applied to a left-hand drive vehicle will be described as an example.

  As shown in FIG. 1, a vehicle 12 to which a vehicle front pillar structure 10 according to an embodiment of the present invention is applied includes a front pillar 14. The front pillar 14 is provided in a longitudinal shape along a vertical edge portion 16A of the windshield glass 16 and a front edge portion 44A of a side glass 44 provided in a side door 40 described later.

  The front pillar 14 is made of metal and is entirely formed by roll forming or UO press bending, and as shown in FIG. And a pair of flange portions 20 and 22.

  The closed cross-section portion 18 has a pair of side wall portions 24 and 26 that extend to the front seat side (arrow A side) (not shown), and the end portions on the front seat side of the pair of side wall portions 24 and 26 are front end portions. They are connected by a vehicle inner wall portion 28 that protrudes toward the seat.

  On the other hand, the pair of flange portions 20 and 22 are an end portion on the front seat side in the side wall portion 24 and an end portion on the side wall portion 24 side in the in-vehicle side wall portion 28 (that is, each circumferential end portion of the closed cross-section portion 18). To the outside of the closed cross section 18 and extend substantially parallel to the side glass 44 and overlap each other.

  Further, on the side opposite to the flange portion 20 in the side wall portion 24, a vehicle outer side wall portion 30 that extends toward the windshield glass 16 and faces outward in the vehicle width direction is formed. The vehicle outer side wall portion 30 and the side wall portion 26 are formed. The end portions on the windshield glass 16 side are connected by a front side wall portion 32 facing the vertical edge portion 16A.

  The closed cross-sectional portion 18 constituted by the pair of side wall portions 24, 26, the vehicle inner side wall portion 28, the vehicle outer side wall portion 30, and the front side wall portion 32 is entirely from the back side of the vertical edge portion 16A. While extending to the front seat side (arrow A side), the width W2 viewed from the extending direction is narrower than the vertical width W1 along the extending direction.

  A side outer panel 34 formed along the flange portion 20, the side wall portion 24, the vehicle outer side wall portion 30, and the front side wall portion 32 is provided on the vehicle outer side of the front pillar 14. A terminal portion 34A on the vehicle rear side of the side outer panel 34 is joined to the pair of flange portions 20 and 22 by, for example, spot welding in an overlapped state. And this terminal part 34A comprises the attaching part 36 to which the weather strip 50 mentioned later is attached with a pair of flange parts 20 and 22. FIG.

  On the other hand, the terminal part 34B on the vehicle front side of the side outer panel 34 is joined to the front side wall part 32 by one-side welding such as arc welding or laser welding in an overlapped state, and the vertical edge part 16A is connected to the terminal part 34B. Are adhered by an adhesive 38.

  The side door 40 is swingably connected to the front pillar 14 via a hinge (not shown), and has a door frame 42 and a side glass 44. The door frame 42 is provided with a glass run 46 along the longitudinal direction of the front pillar 14, and the side glass 44 is supported by the door frame 42 through the glass run 46 so as to be movable up and down.

  Further, the door frame 42 is formed with a protrusion 48 that protrudes toward the attachment portion 36, and a weather strip 50 (opening weather strip) is attached to the attachment portion 36. The weather strip 50 includes a seal portion 52 that bulges toward the side glass 44 and a lip portion 54 that extends to the opposite side of the seal portion 52. When the side door 40 is in a closed state, the seal portion 52 is in close contact with the above-described protruding portion 48 in an elastically compressed state and seals between the door frame 42 (side door 40) and the front pillar 14. It is said that. The lip portion 62 is in close contact with a terminal portion 82A of an inner garnish 82 described later.

  On the other hand, a weather strip 56 (door weather strip) is attached to the opposite side of the door frame 42 from the glass run 46. The weather strip 56 includes an abutting wall portion 58 formed on the side outer panel 34, a seal portion 60 that bulges toward an abutting portion 72 formed on an outer molding 64 described later, and a lip extending toward the abutting portion 72. Part 62. When the side door 40 is in a closed state, the seal portion 60 is configured to be in close contact with the abutting wall portion 58 and the abutting portion 72 while being elastically compressed, and the lip portion 62 is closed with the side door 40 closed. When it is in a state, it is configured to be elastically deformed by being pressed against the abutting portion 72 from the vehicle rear side.

  A resin outer molding 64 is provided on the outer side in the vehicle width direction of the vertical edge portion 16A. The outer molding 64 is provided along the longitudinal direction of the front pillar 14 and includes a molding body 66 and a pair of fitting ribs 68 and 70 as shown in FIG.

  The molding main body 66 is configured to cover the vertical edge portion 16 </ b> A from the outside of the vehicle, and includes a contact portion 72 and a molding portion 74. The abutting portion 72 is provided on the back side of the vertical edge portion 16A so as to be separated from the vertical edge portion 16A, and the molding portion 74 extends from the end of the abutting portion 72 on the vehicle width direction outer side to the vehicle width direction inner side. The front end side is provided on the front side of the vertical edge portion 16A so as to be separated from the vertical edge portion 16A. Further, the fitting rib 68 protrudes from the molding portion 74 toward the vertical edge portion 16A, and the fitting rib 70 protrudes from the abutting portion 72 toward the vertical edge portion 16A.

  On the other hand, the fitting piece 76 is integrally provided on the vertical edge portion 16A, for example, by any one of adhesion, welding, and integral molding. A plurality of protrusions 78 are continuously formed in the vehicle width direction on the outer and inner surfaces of the fitting piece 76, respectively.

  The pair of fitting ribs 68, 70 are engaged with each other by selectively engaging the tip portions of the pair of fitting ribs 68, 70 with any of the recesses 80 formed between the plurality of protrusions 78. The fitting position with the mating piece 76 can be adjusted in the vehicle width direction. Thereby, the mounting position of the outer molding 64 with respect to the vertical edge portion 16A can be adjusted in the vehicle width direction.

  As shown in FIG. 2, a resin inner garnish 82 is provided along the longitudinal direction of the front pillar 14 on the vehicle inner side of the front pillar 14 to cover the side wall portion 26 and the vehicle inner side wall portion 28 from the vehicle inner side. ing. Further, a space 84 is formed between the inner garnish 82 and the front pillar 14, and a wiring member 86 such as a wire harness, an antenna cable, a drain hose, etc. is accommodated in the space 84. Has been. The routing member 86 is routed along the longitudinal direction of the front pillar 14.

  Further, an opaque (black) ceramic portion 88 is formed on the back surface 16A2 of the vertical edge portion 16A, and the side surface portion 82B of the inner garnish 82 and the above-described side wall portion 26 are on the inner end in the vehicle width direction of the ceramic portion 88. It is provided in parallel to line L1 connecting 88A and the driver's head (not shown). Furthermore, the tip 74A of the molding part 74 is provided on the outer side in the vehicle width direction with respect to the line L1.

  The driver in this case is assumed to be a person with a standard physique and a correct driving posture while setting the driver's seat at the slide position at the center in the vehicle longitudinal direction.

  Next, the operation and effect of the first embodiment of the present invention will be described.

  According to the front pillar structure 10 of the vehicle, the closed cross-section portion 18 constituting the main body portion of the front pillar 14 extends from the back side of the vertical edge portion 16A to the front seat side (arrow A direction) and extends in the extending direction. The width W2 viewed from the extending direction is narrower than the vertical width W1. Moreover, since the vertical edge portion 16A is bonded and fixed via the front side wall portion 32 and the terminal portion 34B of the closed cross-section portion 18, the view from the passenger compartment is narrowed in order to bond and fix the vertical edge portion 16A. There is no need to set a flange having a fear in the closed section 18. Therefore, the field of view from the passenger compartment can be ensured as described above (the field of view obstruction angle with respect to the driver's seat can be narrowed).

  Further, roll forming processing or UO press bending processing is used to form the closed cross-section portion 18, and, for example, large-scale equipment is not required as compared with the case of using hydroform molding, thereby reducing costs. Can do. In addition, the pair of flange portions 20 and 22 formed at the time of roll forming processing or UO press bending processing are used as mounting portions for mounting the weather strip 50. Accordingly, there is no need to newly set a mounting portion for mounting the weather strip 50, and this can also reduce the cost.

  Further, since the mounting position of the outer molding 64 with respect to the vertical edge portion 16A can be adjusted in the vehicle width direction, the positional accuracy of the outer molding 64 with respect to the vertical edge portion 16A, in particular, the tip 74A of the molding portion 74 and the vehicle of the ceramic portion 88. The positional accuracy with the width direction inner end 88A can be improved.

  In addition, the dimension D between the molding body 66 and the door frame 42 is preferably small in order to ensure a good appearance, but this dimension D is also reduced by adjusting the mounting position of the outer molding 64 in the vehicle width direction. And the variation of the dimension D can be kept constant.

  Next, a modification of the first embodiment of the present invention will be described.

  That is, in the modification shown in FIG. 4, the side outer panel 34 (see FIG. 2) is omitted from the first embodiment of the present invention described above. In addition, a bulging portion 92 that bulges forward in the vehicle front-rear direction is formed between the ridge lines 32A and 32B on both sides in the vehicle width direction of the front side wall portion 32. The vertical edge portion 16A is bonded and fixed to the distal end portion 92A of the bulging portion 92 by an adhesive 38. The bulging portion 92 is preferably formed on the front side wall portion 32 before the closed cross-sectional portion 18 is formed by roll forming or UO press bending.

  According to this modification, for example, even when the shape of the windshield glass 16 is different for each vehicle type, for example, before the closed section 18 is formed by roll forming or UO press bending, By adjusting the amount of bulging to the front side in the vehicle front-rear direction, the dimension between the distal end portion 92A of the bulging portion 92 and the vertical edge portion 16A can be kept constant. Thereby, since it can respond to the windshield glass 16 of a different shape, the freedom degree of a vehicle design is securable.

  Further, the bulging portion 92 is formed between the ridge lines 32A and 32B on both sides in the vehicle width direction of the front side wall portion 32, and the ridge lines 32A and 32B are secured, so the front pillar 14 (closed cross section portion 18). It is also possible to ensure the strength and rigidity.

[Second Embodiment]
Next, a second embodiment of the present invention will be described.

  The vehicle front pillar structure 100 according to the second embodiment of the present invention shown in FIG. 5 is as follows with respect to the vehicle front pillar structure 10 (see FIG. 2) according to the first embodiment of the present invention described above. The configuration has changed.

  That is, in the front pillar structure 100 of the vehicle, the pair of side wall portions 24 and 26 is formed with a bead 102 that bulges inside the closed cross-sectional portion 18 and extends over the entire length of the front pillar 14 in the longitudinal direction. ing. The bead 102 is formed by partly bulging a part of the pair of side wall portions 24 and 26 to the inside of the closed cross-section portion 18 when the closed cross-section portion 18 is formed by roll forming or UO press bending. Is. The bead 102 can be easily formed even when the bead 102 has a negative angle in the roll forming process.

  On the other hand, a rib 104 that protrudes to the outside (front seat side) of the closed cross-section portion 18 is formed on the vehicle interior side wall portion 28. Then, on both sides of the rib 104, a wiring member 86A and a wiring member 86C among the plurality of wiring members 86A to 86C are provided. The rib 104 is formed by bending a part of the vehicle interior side wall portion 28 in a convex shape to the outside of the closed cross section 18 when the closed cross section 18 is formed by roll forming or UO press bending. And extends over the entire length of the front pillar 14 in the longitudinal direction.

  Next, with respect to the operation and effects of the second embodiment of the present invention, differences from the above-described first embodiment of the present invention will be described.

  According to the vehicle front pillar structure 100, the pair of side wall portions 24, 26 is formed with a bead 102 extending over the entire length of the front pillar 14 in the longitudinal direction. Therefore, since the ridge line extending in the longitudinal direction of the front pillar 14 can be increased by the bead 102, the strength and rigidity of the closed cross section 18 can be improved.

  Moreover, since this bead 102 bulges to the inside of the closed cross section 18, it can be avoided that the field of view from the passenger compartment becomes narrow due to the formation of this bead 102.

  Further, since the rib 104 extending over the entire length in the longitudinal direction of the front pillar 14 is formed on the vehicle interior side wall portion 28, the strength and rigidity of the closed cross-sectional portion 18 can be improved also by the rib 104.

  The beads 102 and the ribs 104 are formed by deforming a part of the closed cross section 18 when the closed cross section 18 is formed by roll forming or UO press bending. Accordingly, additional processing for forming the beads 102 and the ribs 104 and the addition of members are not necessary, and thus the cost increase associated with the addition of the beads 102 and the ribs 104 can be suppressed.

  Further, since the rib 104 serves as a threshold between the routing member 86A and the routing member 86C, it is possible to suppress the routing member 86A and the routing member 86C from interfering with each other.

  Next, a modification of the second embodiment of the present invention will be described.

  In the second embodiment of the present invention, the beads 102 are formed on both of the pair of side wall portions 24 and 26, but may be formed only on either one of the pair of side wall portions 24 and 26.

  Further, as shown in FIG. 6, the curtain airbag 106 may be stored in a folded state in the space 84 between the inner garnish 82 and the front pillar 14 in the vicinity of the rib 104.

  Then, by appropriately setting the length, position, and shape of the ribs 104, the ribs 104 are opposed to the curtain airbags 106 when the curtain airbag 106 is inflated and deployed so as to cover the side glass 44 from the vehicle inner side. It may be configured to regulate the deployment direction of the curtain airbag 106 by applying force.

  According to this configuration, since it is not necessary to add a dedicated member or the like in order to regulate the deployment direction of the curtain airbag 106, the cost can be reduced.

  Moreover, as FIG. 7 shows, the rib 104 may be utilized as a fitting part fitted with the clip 108 attached, for example to wiring members 86, such as a wire harness.

  According to this configuration, for example, in order to attach the wiring member 86 such as a wire harness, an additional process such as making a hole in the front pillar 14 becomes unnecessary, so that the cost can be reduced.

  In addition, the rib 104 may be used as, for example, a fixing unit for fixing the curtain airbag 106 (see FIG. 6) described above.

[Third embodiment]
Next, a third embodiment of the present invention will be described.

  The vehicle front pillar structure 110 according to the third embodiment of the present invention shown in FIG. 8 is as follows with respect to the vehicle front pillar structure 10 (see FIG. 2) according to the first embodiment of the present invention described above. The configuration has changed.

  That is, between the front side wall part 32 and the vehicle outer side wall part 30 (the center part of the connecting wall part that connects the vehicle outer side in the pair of side wall parts 24 and 26), to the outside of the closed cross-sectional part 18 (vehicle outer side). A protruding rib 114 is formed. The rib 114 is provided on the outer side in the vehicle width direction of the vertical edge portion 16A and extends over the entire length of the front pillar 14 in the longitudinal direction.

  The rib 114 has a portion protruding between the inner side wall portion 28 and the front side wall portion 32 so as to protrude outward from the closed cross section 18 when the closed cross section 18 is formed by roll forming or UO press bending. It is formed by being bent.

  Further, the terminal portion 34B on the front side in the vehicle front-rear direction of the side outer panel 34 is joined by, for example, spot welding in a state where it is overlapped with the rib 114, and the distal end of the terminal portion 34B extends to the outside in the vehicle width direction. A stop 116 is formed.

  On the other hand, the outer molding 64 includes a molding body 66, a first seal portion 120, a second seal portion 122, a third seal portion 124, and a fitting portion 126. The molding main body 66 has the same configuration as that of the first embodiment of the present invention described above, and the molding part 74 formed on the molding main body 66 includes the vertical edge portion 16A, the rib 114, and the terminal portion 34B. It covers from the outside of the vehicle.

  The first seal portion 120 extends from the molding portion 74 toward the vertical edge portion 16A, and the tip thereof is in close contact with the surface 16A1 of the vertical edge portion 16A. The space between the portions 16A is sealed. The second seal portion 122 extends from the molding portion 74 toward the side surface portion 114A on the vertical edge portion 16A side of the rib 114, and the tip thereof is in close contact with the side surface portion 114A of the rib 114. The space between the molding 74 and the side surface 114A of the rib 114 is sealed.

  Further, the third seal portion 124 bulges from the molding portion 74 toward the tip portion 114B of the rib 114, and the tip thereof is in close contact with the tip portion 114B of the rib 114. The space between the end portion 114B of 114 is sealed.

  The fitting portion 126 is provided on the opposite side of the second seal portion 122 with the rib 114 interposed therebetween, and extends from the molding portion 74 toward the proximal end side of the rib 114. A locking claw 128 is formed at the tip of the fitting portion 126.

  As described above, the locking claw 128 is locked to the locked portion 116 with the second seal portion 122 and the third seal portion 124 being in close contact with the side surface portion 114A and the tip end portion 114B of the rib 114. Thus, the second seal portion 122, the third seal portion 124, and the fitting portion 126 are fitted with the rib 114 and the terminal portion 34B. Thereby, the outer molding 64 is fixed to the front pillar 14.

  Next, the difference between the operation and effect of the third embodiment of the present invention from the above-described modification of the first embodiment of the present invention will be described.

  According to the front pillar structure 110 of the vehicle, the terminal portion 34B of the side outer panel 34 is welded in a state of being overlapped with the rib 114, and the rib 114 is used for fixing the terminal portion 34B to the front pillar 14. It is used as a fixed part. Accordingly, there is no need to newly set a fixing portion for fixing the terminal portion 34B to the front pillar 14, and the cost can be reduced.

  Moreover, for example, spot welding can be used for welding the terminal portion 34B and the rib 114, so that the cost can be reduced as compared with the case where one side welding such as arc welding or laser welding is used.

  Further, the rib 114 is used as a fitting portion for fixing the outer molding 64 to the front pillar 14. Accordingly, there is no need to newly set a fitting portion for fixing the outer molding 64 to the front pillar 14, and this can also reduce the cost.

  The first seal portion 120 is provided between the molding portion 74 and the vertical edge portion 16A, between the molding portion 74 and the side surface portion 114A of the rib 114, and between the molding portion 74 and the tip portion 114B of the rib 114. These are sealed by the second seal portion 122 and the third seal portion 124, respectively, to form a triple seal structure. Therefore, it is possible to prevent water from entering the vehicle inside from between the rib 114 and the terminal portion 34B.

[Fourth embodiment]
Next, a fourth embodiment of the present invention will be described.

  The vehicle front pillar structure 130 according to the fourth embodiment of the present invention shown in FIG. 9 is as follows with respect to the vehicle front pillar structure 10 (see FIG. 2) according to the first embodiment of the present invention described above. The configuration has changed.

  That is, in the front pillar structure 130 of the vehicle, the above-described side outer panel 34 (see FIG. 2) is omitted, and the lateral width W2 of the closed cross-section portion 18 is increased correspondingly.

  Moreover, between the front side wall part 32 and the vehicle outer side wall part 30 (center part of the connection wall part which connects the vehicle outer side in a pair of side wall parts 24 and 26), it is on the outer side (vehicle outer side) of the closed cross-section part 18. A protruding rib 134 is formed. The rib 134 is provided on the outer side in the vehicle width direction of the vertical edge portion 16A and extends over the entire length of the front pillar 14 in the longitudinal direction. Further, a locked portion 136 extending outward in the vehicle width direction is formed at the tip of the rib 134.

  The entire rib 134 including the locked portion 136 has a portion between the inner side wall portion 28 and the front side wall portion 32 when the closed section 18 is formed by roll forming or UO press bending. It is formed by being bent in a convex shape to the outside of the closed section 18.

  On the other hand, the outer molding 64 includes a molding main body 66, a seal portion 140, and a fitting portion 146. The molding main body 66 has the same configuration as that of the first embodiment of the present invention described above, and the molding part 74 formed on the molding main body 66 covers the vertical edge 16A and the rib 134 from the outside of the vehicle. . Further, the seal portion 140 extends from the molding portion 74 toward the vertical edge portion 16A, and the tip thereof is in close contact with the surface 16A1 of the vertical edge portion 16A, thereby the molding portion 74 and the vertical edge portion 16A. It is sealed between.

  The outer molding 64 is fixed to the front pillar 14 by fitting the fitting portion 146 with the rib 134 (the locked portion 136).

  Next, the operation and effect of the fourth embodiment of the present invention will be described with respect to differences from the above-described modification of the first embodiment of the present invention.

  According to the front pillar structure 130 of the vehicle, the rib 134 is used as a fitting portion for fixing the outer molding 64 to the front pillar 14. Therefore, there is no need to newly set a fitting portion for fixing the outer molding 64 to the front pillar 14, and the cost can be reduced.

[Fifth embodiment]
Next, a fifth embodiment of the present invention will be described.

  The vehicle front pillar structure 160 according to the fifth embodiment of the present invention shown in FIG. 10 differs from the vehicle front pillar structure 130 (see FIG. 9) according to the above-described fourth embodiment of the present invention as follows. The configuration has changed.

  In other words, in addition to the pair of side wall portions 24, 26, the vehicle inner side wall portion 28, and the front side wall portion 32, the abutting portion 162, the standing wall portion 164, and the vehicle outer side wall portion 170 are formed in the closed cross-section portion 18. Has been.

  The abutting part 162 is formed to be bent so as to be recessed inside the closed cross-section part 18, and includes a first abutting part 163 and a second abutting part 165 formed on the vehicle outer side of the first abutting part 163. It is configured. When the side door 40 is in the closed state, the seal portion 60 is in close contact with the first abutting portion 163, and the lip portion 62 is in close contact with the second abutting portion 165.

  The standing wall portion 164 is provided outside the vertical edge portion 16A in the vehicle width direction, and extends from the front side wall portion 32 to the vehicle outer side along the plate thickness direction of the vertical edge portion 16A. Further, the vehicle outer side wall portion 170 constitutes an outer surface portion of the front pillar 14, and connects the end portions on the vehicle outer side of the second contact portion 165 and the standing wall portion 164.

  Further, a concave fitting portion 176 is formed at the distal end side of the standing wall portion 164, and an engaging portion 178 having an L-shaped cross section is formed at the end portion of the side wall portion 26 on the front side wall portion 32 side. ing.

  The fitting portion 176 and the engaging portion 178 are formed by bending a part of the closed cross section 18 when the closed cross section 18 is formed by roll forming or UO press bending. is there.

  On the other hand, an outer molding 184 is provided on the front end side of the standing wall portion 164 and on the front side of the vertical edge portion 16A. The outer molding 184 is provided along the longitudinal direction of the front pillar 14, and includes a clip 188 extending outward in the vehicle width direction, and a molding portion 194 and a lip portion 196 extending inward in the vehicle width direction. Have. The molding part 194 and the lip part 196 constitute a drain groove 198 having a U-shaped cross section that opens to the inner side in the vehicle width direction. The drain groove 198 is formed along the longitudinal direction of the front pillar 14.

  The outer molding 184 is fixed to the distal end side of the standing wall 164 by fitting the clip 188 to the fitting portion 176. Further, in the state where the outer molding 184 is fixed to the distal end side of the standing wall portion 164 in this way, the lip portion 196 is in close contact with the surface 16A1 of the vertical edge portion 16A.

  Further, an engaged portion 202 having an L-shaped cross section is formed at the terminal portion 82C on the side of the vertical edge portion 16A of the inner garnish 82. Then, by engaging the engaged portion 202 with the engaging portion 178, the terminal portion 82 </ b> C of the inner garnish 82 is fixed in a state in which the position is restricted to the side wall portion 26.

  Next, the difference between the operation and effect of the fifth embodiment of the present invention from the above-described modification of the fourth embodiment of the present invention will be described.

  According to the front pillar structure 160 of the vehicle, the fitting portion 176 and the engaging portion 178 are formed by bending a part of the closed cross section 18 when the closed cross section 18 is formed by roll forming or UO press bending. Is formed. Therefore, additional processing or forming additional members for forming the fitting portion 176 and the engaging portion 178 is not required, so that an increase in cost due to the addition of the fitting portion 176 and the engaging portion 178 can be suppressed.

  A standing wall portion 164 extends from the front side wall portion 32 to which the vertical edge portion 16 </ b> A is bonded, and an outer molding 184 is fixed to the standing wall portion 164. Accordingly, since the outer molding 184 is regulated at a position close to the vertical edge portion 16A, the positional accuracy of the outer molding 184 with respect to the vertical edge portion 16A, in particular, the front end 194A of the molding portion 194 and the inner end of the ceramic portion 88 in the vehicle width direction. Position accuracy with 88A can also be secured.

  Moreover, since the outer molding 184 can be assembled to the standing wall 164 simply by fitting the clip 188 to the fitting portion 176, the workability at the time of assembling the outer molding 184 can also be improved.

  Further, the outer molding 184 is formed with a drain groove 198 that opens inward in the vehicle width direction along the longitudinal direction of the front pillar 14. Therefore, the washer liquid and rainwater flowing from the outer surface of the windshield glass 16 can be processed by the drainage groove 198, so that the drainage performance of the windshield glass 16 can be ensured.

  Further, the terminal portion 82C of the inner garnish 82 is fixed to the end portion of the side wall portion 26 on the vertical edge portion 16A side, and the end portion of the side wall portion 26 on the vertical edge portion 16A side extends outward in the vehicle width direction. A vertical edge portion 16A is bonded and fixed to the extended front side wall portion 32. Accordingly, since the position of the terminal portion 82C of the inner garnish 82 is regulated at a position close to the vertical edge portion 16A, the positional accuracy of the inner garnish 82 with respect to the vertical edge portion 16A of the terminal portion 82C, particularly the tip 82D of the terminal portion 82C. And the positional accuracy of the side part 82B of the inner garnish 82 and the vehicle width direction inner side end 88A of the ceramic part 88 can also be ensured.

  In addition, by ensuring the positional accuracy of the outer molding 184 and the inner garnish 82 with respect to the windshield glass 16 as described above, the outer molding 184 and the inner garnish 82 are displaced due to heat and time, or the outer molding 184 and the inner garnish 82 are displaced. It can suppress that the position of 82 varies at the time of manufacture.

  Moreover, since the side surface part 82B of the inner garnish 82 is provided in parallel to the above-described line L1, both the field of view from the passenger compartment and the appearance can be achieved.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and other various modifications can be made without departing from the spirit of the present invention. It is.

  Of course, the embodiments that can be combined among the above-described embodiments can be appropriately combined and implemented.

10, 100, 110, 130, 160 Vehicle front pillar structure 12 Vehicle 14 Front pillar 16 Windshield glass 16A Vertical edge portion 18 Closed cross-sectional portion 20, 22 Pair of flange portions 24, 26 Pair of side wall portions 32 Front side wall portion 32A , 32B Ridge line 34 Side outer panel 40 Side door 50 Weather strip 64, 184 Outer molding 74, 194 Molding part 82 Inner garnish 86A, 86C Arrangement member 92 Bending part 102 Bead 104, 114, 134 Rib 106 Curtain airbag 120 First seal Part 122 Second seal part 124 Third seal part 178 Engagement part

Claims (9)

It constitutes the main part of the front pillar provided longitudinally along the vertical edge of the windshield glass, is formed in a closed cross-sectional shape by roll forming or UO press bending, and extends to the front seat side A closed cross-sectional portion in which a lateral width viewed from the extending direction is narrower than a longitudinal width along the extending direction, and a front side wall portion formed on the front side in the vehicle front-rear direction is fixed to the vertical edge portion;
A pair of flange portions each extending from the circumferential end of the closed cross-section portion to the outside of the closed cross-section portion and welded in a state of being overlapped with each other;
A weather strip attached to the pair of flange portions and sealing between the side door and the front pillar when a side door provided on the rear side of the front pillar in the vehicle front-rear direction is in a closed state;
An inner garnish provided inside the vehicle of the closed cross-section,
A routing member or a curtain airbag housed in a space formed by the closed cross section and the inner garnish on the front sheet side of the closed cross section;
Front pillar structure for vehicles with In the front side wall portion, a bulging portion that bulges forward in the vehicle front-rear direction is formed between ridge lines on both sides in the vehicle width direction,
The tip of the bulging portion is fixed to the vertical edge portion,
The front pillar structure of the vehicle according to claim 1. The closed cross section has a pair of side walls extending to the front seat side,
At least one of the pair of side wall portions is formed with a bead that bulges inward of the closed cross-sectional portion and extends in the longitudinal direction of the front pillar.
The front pillar structure of the vehicle according to claim 1 or 2. The closed cross-section portion is formed by bending a part of the closed cross-section portion so as to protrude outward from the closed cross-section portion when the closed cross-section portion is formed by roll forming or UO press bending. And a rib extending in the longitudinal direction of the front pillar is formed,
The front pillar structure of the vehicle according to any one of claims 1 to 3. Provided on both sides sandwiching the rib, and provided with a plurality of routing members routed along the longitudinal direction of the front pillar,
The front pillar structure of the vehicle according to claim 4. A curtain airbag that can be inflated and deployed so as to cover the side glass provided in the side door from the inside of the vehicle,
The rib is configured to regulate a deployment direction of the curtain airbag by applying a reaction force to the curtain airbag when the curtain airbag is inflated and deployed.
The front pillar structure of the vehicle according to claim 4. The rib is provided on the outer side in the vehicle width direction of the vertical edge portion,
A side outer panel which is provided on the vehicle outer side of the front pillar and is welded in a state where a terminal portion on the front side in the vehicle front-rear direction is overlapped with the rib;
A molding part that covers the vertical edge part, the rib, and the terminal part from the outside of the vehicle, a first seal part that seals between the molding part and the vertical edge part, and the molding part and the rib in the rib. An outer molding having a second sealing portion that seals between the side portions on the vertical edge side, and a third sealing portion that seals between the molding portion and the tip end portion of the rib;
With
The front pillar structure of the vehicle according to claim 4. The rib is provided on the outer side in the vehicle width direction of the vertical edge portion,
In addition to having a molding part that covers the vertical edge and the rib from the outside of the vehicle, an outer molding that is fitted to the rib and fixed to the front pillar is provided.
The front pillar structure of the vehicle according to claim 4. The closed cross section is formed with an engaging portion formed by bending a part of the closed cross section when the closed cross section is formed by roll forming or UO press bending,
An inner garnish that covers the front pillar from the inside of the vehicle and has a terminal portion engaged with the engaging portion,
The front pillar structure of the vehicle according to any one of claims 1 to 8.

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