JP2008201342A - Vehicle door structure - Google Patents

Abstract

To provide a vehicle door structure in which a pillar portion can be easily formed on a door.
According to a vehicle door structure, a door inner reinforcement is disposed on a vehicle width direction inner side (vehicle compartment side) with respect to a door inner panel, and an outer portion of a pillar portion of an access door is formed as follows. The door inner reinforcement 34 and the door outer panel 24 are configured. Since a part of the pillar portion 36 is configured by the door inner reinforcement 34 that is easier to process than the door inner panel 26, the outer portion of the pillar portion 36 is configured by the door inner panel 26 and the door outer panel 24. In comparison, the pillar portion 36 can be easily formed in the access door 16.
[Selection] Figure 3

Description

  The present invention relates to a vehicle door structure, and more particularly, to a vehicle door structure that includes a pillar provided on a door.

Conventionally, the following is known as this kind of vehicle door structure (for example, refer to patent documents 1). For example, Patent Document 1 discloses an example of a latch mounting structure for a side door of a vehicle. In the example described in Patent Document 1, a front door and a rear door having a so-called double door structure are provided, and an outer portion of a pillar portion provided in the rear door is configured by a door inner panel and a door outer panel. .
Japanese Patent Laid-Open No. 2004-130962 JP 2004-122874 A JP-A-8-268077

  However, the door inner panel is generally a large integrated structure that is long in the vehicle longitudinal direction. For this reason, when the door inner panel is formed by, for example, molding, it is difficult to form a part of the pillar portion on the door inner panel. Therefore, there is room for improvement in order to easily form the pillar portion on the door.

  This invention is made | formed in view of the said situation, The objective is to provide the door structure for vehicles which can form a pillar part in a door easily.

  In order to solve the above-mentioned problem, the vehicle door structure according to claim 1 includes a door outer panel and a door inner panel that extend in the door width direction and face each other in the door thickness direction, and the door width. A door that is disposed inside the door thickness direction with respect to the door inner panel on one side in the direction, extends in the door height direction, and extends in the door height direction with the door outer panel to form a pillar section that forms a closed section. And a reinforcing member.

  In the vehicle door structure according to claim 1, the door width direction corresponds to the vehicle front-rear direction when the vehicle door structure is applied to a side door of a vehicle, for example. Is applied to the back door of the vehicle, it corresponds to the vehicle width direction. Also, the door thickness direction is equivalent to the vehicle width direction when the vehicle door structure is applied to a vehicle side door, for example, when the vehicle door structure is applied to a vehicle back door. Corresponds to the vehicle longitudinal direction. Further, the door height direction corresponds to the vehicle vertical direction when the vehicle door structure is applied to a side door or a back door of the vehicle, for example.

  According to the vehicle door structure of the first aspect, the door reinforcing member is disposed on the inner side in the door thickness direction with respect to the door inner panel, and the pillar portion of the door includes the door reinforcing member and the door outer panel. ing. Here, the door inner panel extends in the door width direction and has a structure that is long in the door width direction, whereas the door reinforcing member is disposed on one side in the door width direction as compared to the door inner panel. The structure is short in the door width direction. For this reason, when the door reinforcing member is formed by molding, for example, the processing is easier than the door inner panel.

  Therefore, since the pillar portion is constituted by the door reinforcing member and the door outer panel, the pillar portion can be easily formed on the door as compared with the case where the pillar portion is constituted by the door inner panel and the door outer panel. is there.

  The vehicle door structure according to claim 2 is the vehicle door structure according to claim 1, wherein the door reinforcing member includes a door width direction wall portion and a door thickness direction wall portion constituting the pillar portion. It is provided.

  According to the vehicle door structure of the second aspect, the door reinforcing member is provided with the door width direction wall portion and the door thickness direction wall portion constituting the pillar portion. Here, since the door reinforcing member is easy to process when formed by, for example, molding as described above, for example, the door width direction wall portion and the door thickness direction wall portion constituting the pillar portion, The angle formed by can be set small.

  Thereby, even when the width | variety of the door width direction wall part arrange | positioned facing the vehicle interior side is ensured large, it can suppress that the design width | variety of the pillar part by the side of a door outer panel becomes large. In other words, even if the design width of the pillar portion on the door outer panel side is set to be small, it is possible to ensure a large width of the door width direction wall portion arranged facing the vehicle compartment side.

  A vehicle door structure according to a third aspect is the vehicle door structure according to the second aspect, wherein the door width direction wall portion is provided with an attachment portion for attaching a part to be attached. And

  According to the vehicle door structure of the third aspect, the attachment portion for attaching the attached component to the door width direction wall portion capable of ensuring a large width in the door width direction is provided. Therefore, it is possible to easily secure the arrangement area of the attachment portion.

  The vehicle door structure according to claim 4 is the vehicle door structure according to any one of claims 1 to 3, wherein the door inner panel is disposed inside the pillar portion, and A partition wall section for dividing the closed section into a plurality of sections is provided.

  According to the vehicle door structure of the fourth aspect, the door inner panel is provided with the partition wall portion arranged inside the pillar portion, and the partition wall portion divides the closed section of the pillar portion into a plurality of sections. ing. Therefore, the rigidity of the pillar portion can be improved by dividing the closed section of the pillar portion into a plurality of sections.

  The vehicle door structure according to claim 5 is the vehicle door structure according to claim 4, wherein the partition wall portion is provided with an inclined portion inclined with respect to the door thickness direction. To do.

  According to the vehicle door structure of the fifth aspect, the partition wall portion is provided with the inclined portion that is inclined with respect to the door thickness direction. Therefore, the rigidity of the pillar portion can be further improved by the inclined portion.

  The vehicle door structure according to claim 6 is the vehicle door structure according to any one of claims 1 to 5, wherein the pillar portion also serves as a vertical frame portion of the door window frame portion. It is characterized by that.

  According to the vehicle door structure of the sixth aspect, the pillar portion also serves as the vertical frame portion of the window frame portion of the door. Therefore, this vertical frame part can also be easily formed and its rigidity can be improved.

  As described above in detail, according to the present invention, the door reinforcing member is disposed on the inner side in the door thickness direction of the door inner panel, and this door reinforcing member constitutes a part of the pillar portion. The part can be easily formed.

  First, the configuration of a vehicle door structure 10 according to an embodiment of the present invention will be described.

  FIG. 1 is a left side view of a vehicle 12 to which a vehicle door structure 10 according to an embodiment of the present invention is applied. FIG. 2 is an exploded view of an access door 16 provided on the vehicle 12 shown in FIG. FIG. 3 is a sectional view taken along line 3-3 in FIG.

  Note that an arrow UP, an arrow FR, and an arrow IN shown in these drawings respectively indicate the vehicle vertical direction upper side, the vehicle front-rear direction front side, and the vehicle width direction inner side of the vehicle 12.

  As shown in FIG. 1, a vehicle door structure 10 according to an embodiment of the present invention is suitably mounted on a vehicle 12 such as a pickup truck, for example. In the vehicle 12 to which the vehicle door structure 10 is applied, a front door 14 and an access door 16 are provided on the side surface of the vehicle body in the vehicle front-rear direction.

  The front door 14 has a front side portion in the front-rear direction of the vehicle connected to the side surface of the vehicle body via a door hinge 18. It is connected. The front door 14 and the access door 16 have a so-called double door structure, and are configured to open and close a center pillar-less door opening 22 provided on the side surface of the vehicle body.

  As shown in FIG. 2, the access door 16 is provided with a door outer panel 24 and a door inner panel 26. The door outer panel 24 and the door inner panel 26 extend in the vehicle front-rear direction and the vehicle vertical direction, are arranged to face each other in the vehicle width direction, and are coupled to each other at their outer peripheral edge portions. A window frame portion 28 is formed in a portion of the door outer panel 24 and the door inner panel 26 on the upper side in the vehicle vertical direction, and a quarter glass 30 is disposed inside the window frame portion 28.

  Further, a door inner reinforcement 34 as a door reinforcing means is provided in the vertical frame portion 32 on the front side in the vehicle front-rear direction of the window frame portion 28. The door inner reinforcement 34 extends in the vehicle vertical direction, and is disposed on the inner side in the vehicle width direction (that is, on the vehicle compartment side) with respect to the door inner panel 26. Further, the door inner reinforcement 34 is configured to be thicker than the door inner panel 26. And this door inner reinforcement 34 comprises the external part of the pillar part 36 with the door outer panel 24, as FIG. 3 shows.

  That is, the pillar portion 36 includes a vehicle front-rear direction wall portion 38 and a vehicle width direction wall portion 40 provided on the door inner reinforcement 34, and a vehicle front-rear direction wall portion 42 and a vehicle width direction wall portion provided on the door outer panel 24. 44 (stepped wall portion) forms the outer shape portion. The pillar portion 36 is provided at a portion of the access door 16 on the front side in the vehicle front-rear direction. Further, the pillar portion 36 extends in the vehicle vertical direction, and also serves as the vertical frame portion 32 of the window frame portion 28 described above.

  In addition, a part of the door outer reinforcement 46 and the door inner panel 26 is disposed inside the pillar portion 36. The vehicle inner-rear direction wall portion 38 of the door inner reinforcement 34, the vehicle width direction wall portion 44 of the door outer panel 24, the door outer reinforcement 46, and the door inner panel 26 are arranged at the vehicle front-rear direction front side of the pillar portion 36. They are joined together by a joining portion 48 in a state where they are overlapped in the width direction.

  Further, the vehicle width direction wall portion 40 of the door inner reinforcement 34, the vehicle front / rear direction wall portion 42 of the door outer panel 24, the door outer reinforcement 46, and the door inner panel 26 are portions of the pillar portion 36 on the rear side in the vehicle front / rear direction. They are integrally coupled by the coupling portion 50 in a state where they are overlapped in the vehicle width direction. The pillars 36 form a closed cross section 52 by coupling the parts in this way.

  In addition, a part of the door inner panel 26 disposed inside the pillar portion 36 is configured as a partition wall portion 54 that divides the closed section 52 into a plurality of portions. That is, the closed section 52 is divided into the first closed section 56 and the second closed section 58 by the partition wall portion 54.

  An inclined portion 60 that is inclined with respect to the vehicle width direction is provided at a rear side of the partition wall portion 54 that defines the closed section 52 in the vehicle longitudinal direction. The inclined portion 60 is inclined toward the outer side in the vehicle width direction toward the rear side in the vehicle front-rear direction, and is formed toward the quarter glass 30.

  Further, in the door inner reinforcement 34 constituting the pillar portion 36, the vehicle front-rear direction wall portion 38 is provided with attachment portions 62, 64 at two positions separated in the vehicle front-rear direction. A belt anchor 70 of a seat belt device is attached to the attachment portion 62 with a bolt 66 and a nut 68, and a garnish 74 is attached to the attachment portion 64 with a clip 72.

  Next, the operation and effect of the vehicle door structure 10 according to one embodiment of the present invention will be described.

  First, in order to clarify the operation and effect of the vehicle door structure 10 according to the embodiment of the present invention, a vehicle door structure 100 according to a comparative example will be described.

  4 and 5 are enlarged cross-sectional views of main parts of the vehicle door structure 100 according to the comparative example, and FIG. 6 is a perspective view of the door inner reinforcement 134 provided in the vehicle door structure 100 according to the comparative example. Are shown respectively.

  As shown in FIG. 4, in the vehicle door structure 100 according to this comparative example, the door inner reinforcement 134 is disposed on the outer side in the vehicle width direction with respect to the door inner panel 126, and the door inner panel 126, the door outer panel 124, Thus, the outer portion of the pillar portion 136 is configured.

  By the way, the door inner panel 126 has a large integrated structure that is long in the vehicle front-rear direction. For this reason, when the door inner panel 126 is formed by press molding, for example, it is difficult to form a part of the pillar portion 136 on the door inner panel 126.

  That is, for example, when the door inner panel 126 is formed by press molding, it is difficult to form the vehicle width direction wall portion 129 of the door inner panel 126 along the vehicle width direction. For this reason, the angle θ2 formed by the vehicle longitudinal direction wall portion 127 and the vehicle width direction wall portion 129 must be set large.

  On the other hand, the vehicle front-rear direction wall 127 provided with the attachment portion 162 such as the belt anchor 170 is required to ensure a long width W3 in the vehicle front-rear direction. However, when the vehicle longitudinal direction width W3 of the vehicle longitudinal direction wall portion 127 is ensured to be long, as described above, the angle θ2 formed by the vehicle longitudinal direction wall portion 127 and the vehicle width direction wall portion 129 increases, and thus the door. The design width W4 of the pillar portion 136 on the outer panel 24 side is increased.

  Further, when the door inner reinforcement 134 is disposed on the outer side in the vehicle width direction with respect to the door inner panel 126, it is difficult to form an effective shape that satisfies the desired strength on the door inner reinforcement 134.

  That is, the door inner reinforcement 134 needs to ensure a large cross-sectional shape in terms of strength. However, as described above, as the angle θ2 formed by the vehicle longitudinal direction wall 127 and the vehicle width direction wall 129 of the door inner panel 126 increases, the vehicle longitudinal direction wall 138 of the door inner reinforcement 134 and the vehicle It is also necessary to increase the angle formed by the width direction wall portion 140.

  Further, as shown in FIG. 5, when an attachment portion 164 such as a garnish 174 is provided on the vehicle longitudinal direction wall portion 127 of the door inner panel 126, the door inner disposed on the vehicle width direction outer side of the door inner panel 126. As shown in FIGS. 5 and 6, it is necessary to provide a relief seat 139 or the like on the vehicle longitudinal wall 138 of the reinforcement 134.

  On the other hand, according to the vehicle door structure 10 according to the embodiment of the present invention, as shown in FIG. 3, the door inner reinforcement 34 is arranged on the inner side in the vehicle width direction (vehicle compartment side) with respect to the door inner panel 26. The outer portion of the pillar portion 36 of the access door 16 is composed of the door inner reinforcement 34 and the door outer panel 24.

  Here, the door inner panel 26 extends in the vehicle front-rear direction and has a large integrated structure that is long in the vehicle front-rear direction, whereas the door inner reinforcement 34 is disposed on the vehicle front-rear direction front side of the access door 16. Thus, the structure is shorter in the vehicle front-rear direction than the door inner panel 26. For this reason, the door inner reinforcement 34 is easier to process than the door inner panel 26 when formed by, for example, press molding.

  Therefore, since the door inner reinforcement 34 and the door outer panel 24 form the outer shape of the pillar portion 36, the door inner panel 126 and the door outer panel 124 form the pillar portion 136 as in the vehicle door structure 100 according to the comparative example. The pillar portion 36 can be easily formed in the access door 16 as compared with the case where the outer shape portion is configured (see FIG. 4).

  That is, the door inner reinforcement 34 is provided with the vehicle front-rear direction wall 38 and the vehicle width direction wall 40 that form the pillar portion 36. Here, when the door inner reinforcement 34 is formed by, for example, press forming as described above, the processing is easy. For example, the vehicle front-rear direction wall portion 38 constituting the pillar portion 36 and the vehicle width are provided. The angle θ1 formed with the direction wall portion 40 can be set small.

  Thereby, even when the width W1 of the vehicle front-rear direction wall portion 38 arranged facing the passenger compartment side is ensured to be large, the design width W2 of the pillar portion 36 on the door outer panel 24 side is prevented from being increased. The degree of freedom of design of the pillar portion 36 can be increased. In other words, even if the design width W2 of the pillar portion 36 on the door outer panel 24 side is set to be small, it is possible to ensure a large width W1 of the vehicle front-rear direction wall portion 38 arranged facing the vehicle compartment side. The rigidity and strength of the pillar portion 36 can be improved.

  Further, the angle θ1 formed by the vehicle longitudinal direction wall portion 38 and the vehicle width direction wall portion 40 of the door inner reinforcement 34 can be set small, and the vehicle width direction wall portion 40 can be formed along the vehicle width direction. Therefore, a large cross-sectional shape of the door inner reinforcement 34 can be secured.

  Further, since the attachment portions 62 and 64 are provided directly on the door inner reinforcement 34, it is not necessary to provide a relief seat or the like on the door inner reinforcement 34. Therefore, an effective shape satisfying a desired strength can be easily formed in the door inner reinforcement 34.

  Moreover, according to the vehicle door structure 10 according to the embodiment of the present invention, since it is not necessary to form a part of the outer shape of the pillar portion 36 on the door inner panel 26, the shape of the door inner panel 26 is restricted. Less. Thereby, even when the door inner panel 26 is formed integrally by upper and lower parts by press molding, for example, the door inner panel 26 can be easily formed.

  Further, according to the vehicle door structure 10 according to the embodiment of the present invention, the mounting portion 62 for the belt anchor 70 and the garnish 74 can be provided on the vehicle front-rear direction wall portion 38 that can ensure a large width in the vehicle front-rear direction. A mounting portion 64 is provided. Therefore, it is possible to easily secure the arrangement area for these attachment portions 62 and 64. Further, by providing the attachment portions 62 and 64 in the door inner reinforcement 34, the attachment rigidity of the belt anchor 70 and the garnish 74 can also be improved.

  Further, according to the vehicle door structure 10 according to the embodiment of the present invention, the door inner panel 26 is provided with the partition wall portion 54 disposed inside the pillar portion 36. The closed cross section 52 of the part 36 is divided into a plurality of sections. Therefore, the rigidity of the pillar part 36 can be improved by dividing the closed section 52 of the pillar part 36 into a plurality of sections.

  Further, according to the vehicle door structure 10 according to one embodiment of the present invention, the partition wall portion 54 is provided with the inclined portion 60 that is inclined with respect to the vehicle width direction. Then, as in the present embodiment, the angle θ1 formed by the vehicle front-rear direction wall portion 38 and the vehicle width direction wall portion 40 of the door inner reinforcement 34 is set to be small, and the inclined portion 60 is provided, whereby the second The cross-sectional area of the closed cross section 58 can be increased. Thereby, the rigidity of the pillar part 36 can be improved more.

  Moreover, according to the vehicle door structure 10 which concerns on one Embodiment of this invention, the pillar part 36 serves as the vertical frame part 32 among the window frame parts 28 of a door. Therefore, the vertical frame portion 32 can be easily formed, and the rigidity thereof can be improved. Further, since the inclined portion 60 is formed toward the quarter glass 30, the support rigidity of the quarter glass 30 can be improved.

  Moreover, according to the vehicle door structure 10 according to the embodiment of the present invention, the door inner reinforcement 34 is arranged on the vehicle body side. Therefore, when the access door 16 is closed, the door inner reinforcement 34 having a large thickness and high strength can receive the closing load of the access door 16 on the vehicle body. Thereby, durability of the access door 16 can also be improved.

  Next, the modification of the vehicle door structure 10 which concerns on one Embodiment of this invention is demonstrated.

  In the above embodiment, the vehicle door structure 10 is applied to the front door 14 and the access door 16 (side door) arranged side by side in the vehicle longitudinal direction on the side surface of the vehicle body. You may be applied about a pair of back door arrange | positioned along with the width direction.

  Moreover, in the said embodiment, although the inclination part 60 was formed in a part of partition part 54, the whole partition part 54 is comprised as the inclination part 60, and it is a vehicle width direction outer side as it goes to the vehicle front-back direction rear side. It may be inclined so as to face.

1 is a left side view of a vehicle to which a vehicle door structure according to an embodiment of the present invention is applied. It is a disassembled perspective view of the access door provided in the vehicle shown by FIG. FIG. 3 is a sectional view taken along line 3-3 in FIG. 1. It is a principal part expanded sectional view of the vehicle door structure which concerns on a comparative example. It is a principal part expanded sectional view of the vehicle door structure which concerns on a comparative example. It is a perspective view of door inner reinforcement provided in the door structure for vehicles concerning a comparative example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle door structure 14 Front door 16 Access door 24 Door outer panel 26 Door inner panel 28 Window frame part 32 Vertical frame part 34 Door inner reinforcement (door reinforcement member)
36 Pillar part 38 Vehicle front-rear direction wall part (door width direction wall part)
40 Vehicle width direction wall (door thickness direction wall)
52 Closed section 54 Bulkhead part 60 Inclined part 62, 64 Attachment part 70 Belt anchor (part to be attached)
74 Garnish (attached parts)

Claims (6)

A door outer panel and a door inner panel that extend in the door width direction and are opposed to each other in the door thickness direction;
A pillar portion that is disposed inside the door thickness direction with respect to the door inner panel on one side in the door width direction, extends in the door height direction, and extends in the door height direction with the door outer panel to form a closed section. A door reinforcing member,
A vehicle door structure characterized by comprising:   The vehicle door structure according to claim 1, wherein the door reinforcing member is provided with a door width direction wall portion and a door thickness direction wall portion constituting the pillar portion.   The vehicle door structure according to claim 2, wherein the door width direction wall portion is provided with an attachment portion for attaching a part to be attached.   4. The partition wall according to claim 1, wherein the door inner panel is provided with a partition wall that is disposed inside the pillar portion and divides the closed section into a plurality of sections. Vehicle door structure.   The vehicle door structure according to claim 4, wherein the partition wall portion is provided with an inclined portion that is inclined with respect to a door thickness direction.   The vehicle door structure according to any one of claims 1 to 5, wherein the pillar portion also serves as a vertical frame portion of a window frame portion of the door.

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