JP4771262B2 - back door - Google Patents
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- JP4771262B2 JP4771262B2 JP2009033286A JP2009033286A JP4771262B2 JP 4771262 B2 JP4771262 B2 JP 4771262B2 JP 2009033286 A JP2009033286 A JP 2009033286A JP 2009033286 A JP2009033286 A JP 2009033286A JP 4771262 B2 JP4771262 B2 JP 4771262B2
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Description
本発明はバックドアに係り、特に樹脂製バックドアを補強する構造に関する。 The present invention relates to a back door, and more particularly to a structure for reinforcing a resin back door.
近年、車両の軽量化を目的としてバックドアが樹脂で構成されている。即ち、バックドアを構成するアウターパネルとインナーパネルとが樹脂で成る。このようなバックドアの樹脂化によって、鋼板製のバックドアに比べて重量を軽量化することができ、またアウターパネルを樹脂化することで、スポイラーやガーニッシュなどの外装部品を一体化することが出来る。外装部品がスポイラーと一体に形成されると製造コストを低減することができる。また、トリム等の内装部品もインナーパネルと一体化することができるため、部品点数が減少し、製造コストを低減することができる。 In recent years, backdoors are made of resin for the purpose of reducing the weight of vehicles. That is, the outer panel and the inner panel constituting the back door are made of resin. Such a back door resin can reduce the weight compared to a steel plate back door, and the outer panel can be made resin to integrate exterior parts such as spoilers and garnishes. I can do it. If the exterior part is formed integrally with the spoiler, the manufacturing cost can be reduced. Moreover, since interior parts such as trim can be integrated with the inner panel, the number of parts can be reduced and the manufacturing cost can be reduced.
しかし、バックドアを樹脂で構成する場合、その剛性が低減しないように補強部品をバックドアに配設することが必要である。 However, when the back door is made of resin, it is necessary to dispose the reinforcing component on the back door so that the rigidity is not reduced.
図５（Ａ）は、従来の樹脂製バックドア１００の斜視図であり、このバックドア１００は車両後部に配置されて、一般にハッチバックなどと呼ばれており、バックドアガラス１０２と、このバックドア１０２の上縁部に沿って車幅方向に延出して配置された上部１０３と、この上部１０３の車幅方向の両端部から下方へ延出していてバックドアガラス１０２の左右の縁部に沿って車両上下方向へ延出して配置された側部１０４，１０５と、これらの左右の側部１０４，１０５の下端部及びリアウィンドウガラス１０２の下縁部から下方へ延出して配置された裾部１０６と、から成っている。 FIG. 5A is a perspective view of a conventional resin back door 100. This back door 100 is arranged at the rear of the vehicle and is generally called a hatchback. The back door glass 102 and this back door are shown in FIG. An upper portion 103 that extends in the vehicle width direction along the upper edge portion of 102, and extends downward from both ends of the upper portion 103 in the vehicle width direction along the left and right edges of the back door glass 102. The side portions 104 and 105 arranged so as to extend in the vertical direction of the vehicle and the bottom portions of the left and right side portions 104 and 105 and the skirt portion arranged so as to extend downward from the lower edge portion of the rear window glass 102. 106.
上記バックドアの上部１０３，左右の側部１０４，１０５及び裾部１０６は、インナーパネル１１０（図５（Ｂ）参照）とアウターパネル１２０とを重ね合わせて構成されている。これらのインナーパネル１１０及びアウターパネル１２０は樹脂材料から成り、特にインナーパネル材料には剛性の高い熱可塑性樹脂が用いられている。 The upper portion 103 of the back door, the left and right side portions 104 and 105, and the skirt portion 106 are configured by overlapping an inner panel 110 (see FIG. 5B) and an outer panel 120. The inner panel 110 and the outer panel 120 are made of a resin material, and a particularly rigid thermoplastic resin is used for the inner panel material.
上部１０３，左右の側部１０４，１０５は内部を連続した中空領域として構成されており、これらの中空領域にリインフォースが配設される。具体的には、図５（Ｂ）に示すように、鋼板製のリインフォース１３０が上部内から右の側部迄の領域に配設される。図示を省略するが、鋼板製のリインフォースは、上部内から左の側部迄の領域にも配設されている。なお、図５（Ｂ）において、インナーパネル１１０は、左半分が省略されて表されている。 The upper portion 103 and the left and right side portions 104 and 105 are configured as hollow regions that are continuous inside, and reinforcement is disposed in these hollow regions. Specifically, as shown in FIG. 5B, a steel plate reinforcement 130 is disposed in the region from the upper part to the right side part. Although not shown, the steel plate reinforcement is also disposed in the region from the upper part to the left side part. In FIG. 5B, the inner panel 110 is shown with the left half omitted.
リインフォース１３０は、図５（Ｂ）に示すように、上部１０３の領域の剛性を補強する車幅方向に延出した上部用補強部１３１と、この上部用補強部１３１の車幅方向外側の端部から下方へ延出していて側部１０５の領域の剛性を補強する側部用補強部１３２と、が連成して構成されている。 As shown in FIG. 5B, the reinforcement 130 includes an upper reinforcing portion 131 extending in the vehicle width direction that reinforces the rigidity of the region of the upper portion 103, and an end of the upper reinforcing portion 131 on the outer side in the vehicle width direction. A side reinforcing portion 132 that extends downward from the portion and reinforces the rigidity of the region of the side portion 105 is coupled.
このようなバックドア１００によれば、鋼板製補強部品をインナーパネル１１０とアウターパネル１２０との間に設定することで、バックドア１００の曲がり、ねじりに対する剛性を向上させることができる。 According to such a back door 100, the rigidity against bending and twisting of the back door 100 can be improved by setting the steel plate reinforcing component between the inner panel 110 and the outer panel 120.
特許文献１には、樹脂製のインナーパネルの内側に上記したような金属製の補強部品を配置したバックドアが開示されている。 Patent Document 1 discloses a back door in which a metal reinforcing component as described above is arranged inside a resin inner panel.
従来、インナーパネル１１０とアウターパネル１２０とを樹脂製の材料に置換して軽量化を図ろうとしても、樹脂化に伴う剛性の低下を補うために、上記したように高剛性のリインフォース１３０を利用する必要があり、当該リインフォース１３０自体の重量が大きいため、軽量化の効果が低減されてしまう。 Conventionally, even when trying to reduce the weight by replacing the inner panel 110 and the outer panel 120 with resin materials, the high-strength reinforcement 130 is used as described above in order to compensate for the decrease in rigidity caused by resinization. Since the weight of the reinforce 130 itself is large, the effect of weight reduction is reduced.
本発明は以上の点に鑑みて創作されたもので、剛性を確保しつつ、軽量化を計ることができるバックドアを提供することを目的とする。 The present invention has been created in view of the above points, and an object of the present invention is to provide a back door that can be reduced in weight while ensuring rigidity.
上記目的を達成するため、本発明は、車両後部の上縁に沿って車幅方向に配置された上部と、車両後部の側縁に沿って車両上下方向に配置された左右の側部と、これらの左右の側部の下端部から下方に配置された裾部と、上部，左右の側部及び裾部で画成される開口部に被着したバックドアガラスと、から成るバックドアであって、上部，左右の側部及び裾部が内部に中空領域を画成するように樹脂製のインナーパネルと樹脂製のアウターパネルとを重ね合わせて構成されており、上部内から左の側部を経て裾部内迄の領域に樹脂製で筒状の第１のリインフォースが配設され、上部内から右の側部を経て裾部内迄の領域に樹脂製で筒状の第２のリインフォースが配設され、左右の側部を構成するアウターパネルの部位に、当該側部の長手方向に沿った長穴が形成されており、第１のリインフォースと第２のリインフォースとは、長穴に対向する位置に、当該リインフォースの長手方向に沿ってアウターパネル側へ突出した凸部を有し、この凸部が、アウターパネルの開口から車両後方側へ突出し、接合手段によってガラスに接合されている。 In order to achieve the above object, the present invention includes an upper portion disposed in the vehicle width direction along the upper edge of the vehicle rear portion, and left and right side portions disposed in the vehicle vertical direction along the side edge of the vehicle rear portion, The back door is composed of a skirt disposed downward from the lower end portions of the left and right side portions, and a back door glass attached to an opening defined by the upper portion, the left and right side portions, and the skirt portion. The upper, left and right sides, and the hem are formed by overlapping a resin inner panel and a resin outer panel so that a hollow region is defined inside. A first cylindrical reinforcement made of resin is arranged in the area from the top to the inside of the skirt, and a second cylindrical reinforcement made of resin is arranged from the upper part to the inside of the skirt through the right side. In the longitudinal direction of the side part, which is provided on the outer panel part constituting the left and right side parts. A long hole is formed, and the first reinforcement and the second reinforcement have a convex portion protruding toward the outer panel along the longitudinal direction of the reinforcement at a position facing the long hole, This convex part protrudes from the opening of an outer panel to the vehicle rear side, and is joined to glass by the joining means.
本発明のバックドアにおいて、好ましくは、各リインフォースは、上部の剛性を補強する車幅方向に延出した上部用補強部と、この上部用補強部の車幅方向外側の端部から下方へ延出していて前記側部の剛性を補強する側部用補強部と、この側部用補強部の下端部から下方へ延出していて裾部の剛性を補強する裾部用補強部と、から構成されていて、凸部は側部用補強部に形成されている。
この場合、側部用補強部は、前壁部とこの前壁部の左右の縁から車両後方側へ延びた左壁部及び右壁部とこれらの左右の壁部の縁をつなぐように設けた後壁部とから閉断面に形成され、凸部は、上記後壁部で互いに距離を置いた位置に設けられ車両後方側へ延出した延出部と、これらの延出部の縁をつなぐように設けたガラス当接部と、から形成されている。
In the back door of the present invention, preferably, each of the reinforcements extends downward from an upper reinforcing portion extending in the vehicle width direction that reinforces the rigidity of the upper portion, and an end of the upper reinforcing portion in the vehicle width direction. A side reinforcing portion that extends and reinforces the rigidity of the side portion, and a skirt reinforcing portion that extends downward from the lower end portion of the side reinforcing portion and reinforces the rigidity of the hem portion. The convex portion is formed on the side reinforcing portion.
In this case, the side reinforcing portions are provided so as to connect the front wall portion and the left and right wall portions extending from the left and right edges of the front wall portion to the vehicle rear side and the edges of the left and right wall portions. The projecting portion is formed in a closed cross section from the rear wall portion, and the convex portions are provided at positions spaced apart from each other on the rear wall portion and extend to the rear side of the vehicle, and edges of these extension portions. And a glass contact portion provided so as to be connected.
本発明によれば、従来剛性に寄与していなかったバックドアガラスを剛性部材として活用させるために当該バックドアガラスとリインフォースとを構造的に連結させたことで、バックドアガラスが樹脂製のリインフォースの劣る剛性を補う役割を果たす。これにより、バックドア全体で軽量化を図りつつ効率的に剛性を確保することができる。 According to the present invention, the back door glass is made of a resin-made reinforcement by structurally connecting the back door glass and the reinforcement in order to use the back door glass that has not conventionally contributed to the rigidity as a rigid member. It plays a role to compensate for the inferior rigidity. Accordingly, it is possible to efficiently ensure rigidity while reducing the weight of the entire back door.
以下、図面に基づいて本発明の実施形態を説明する。なお、図中のＦｒは車両前方を、Ｕｐは車両上方を、ＬＨは車両の横幅方向であって左方を示す。
図１は本発明の実施形態に係るバックドア１の斜視図であり、図２はバックドア１の分解斜視図である。
バックドア１は、車両後部の上縁に沿って車幅方向に配置された上部（以下、バックドア上部と言う場合がある）３と、車両後部の側縁に沿って車両上下方向に配置された左右の側部（以下、バックドア側部と言う場合がある）４，５と、これらの左右の側部４，５の下端部から下方に配置された裾部（以下、バックドア裾部と言う場合がある）６と、上部３，左右の側部４，５及び裾部６で画成される開口部２Ａ（図２参照）に被着したバックドアガラス２と、から成る。
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the figure, Fr indicates the front of the vehicle, Up indicates the upper side of the vehicle, and LH indicates the left side in the lateral width direction of the vehicle.
FIG. 1 is a perspective view of a back door 1 according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the back door 1.
The back door 1 is arranged in the vehicle vertical direction along the side edge of the upper part (hereinafter, referred to as the back door upper part) 3 arranged in the vehicle width direction along the upper edge of the rear part of the vehicle and the side edge of the rear part of the vehicle. Left and right side portions (hereinafter sometimes referred to as back door side portions) 4 and 5, and hem portions (hereinafter referred to as back door hem portions) disposed below the lower ends of the left and right side portions 4 and 5 6) and a back door glass 2 attached to an opening 2A (see FIG. 2) defined by the upper part 3, the left and right side parts 4, 5 and the skirt part 6.
バックドア１の上部３，左右の側部４，５及び裾部６は、インナーパネル１０とアウターパネル２０とを重ね合わせて構成されている。これらのインナーパネル１０及びアウターパネル２０は樹脂材料、特にガラス繊維を含まない樹脂材料、例えばポリプロピレン系樹脂材料で成る。 The upper part 3, the left and right side parts 4, 5 and the skirt part 6 of the back door 1 are configured by overlapping an inner panel 10 and an outer panel 20. The inner panel 10 and the outer panel 20 are made of a resin material, in particular, a resin material not containing glass fibers, for example, a polypropylene resin material.
バックドア１の上部３，左右の側部４，５及び裾部６は内部を連続した中空領域として構成されており、これらの中空領域に、リインフォース３０，３０が配設される。具体的には、図２に示すように、左側のリインフォース３０（第１のリインフォース）は、上部３内から左の側部４を経て裾部６内迄の領域に配設される。これと同様に、右側のリインフォース３０（第２のリインフォース）は、上部３内から右の側部５を経て裾部６内迄の領域にも配設される。 The upper part 3, the left and right side parts 4, 5 and the skirt part 6 of the back door 1 are configured as hollow areas that are continuous inside, and the reinforcements 30, 30 are disposed in these hollow areas. Specifically, as shown in FIG. 2, the left reinforcement 30 (first reinforcement) is disposed in a region from the inside of the upper portion 3 to the inside of the skirt portion 6 through the left side portion 4. Similarly, the right-side reinforcement 30 (second reinforcement) is also disposed in a region from the inside of the upper portion 3 to the inside of the skirt portion 6 through the right side portion 5.
図３は右側のリインフォース３０の正面図、具体的にはバックドア１の右側に取り付けられるリインフォース３０を車両後方側から見た図であり、リインフォース３０は、図３に示すように、バックドア上部３の領域の剛性を補強する車幅方向に延出した上部用補強部３１と、この上部用補強部３１の車幅方向外側の端部から下方へ延出していてバックドア側部５の領域の剛性を補強する側部用補強部３２と、この側部用補強部３２の下端部から下方へ延出していてバックドア裾部６の領域の剛性を補強する裾部用補強部３３と、が連成して構成されている。 FIG. 3 is a front view of the right-side reinforcement 30, specifically, a view of the reinforcement 30 attached to the right side of the back door 1 as seen from the rear side of the vehicle. The upper reinforcing portion 31 extending in the vehicle width direction for reinforcing the rigidity of the region 3, and the region of the back door side portion 5 extending downward from the outer end portion of the upper reinforcing portion 31 in the vehicle width direction A side reinforcing portion 32 that reinforces the rigidity of the side door, and a skirt reinforcing portion 33 that extends downward from the lower end portion of the side reinforcing portion 32 and reinforces the rigidity of the region of the back door hem portion 6; Are composed of
このリインフォース３０は、ブロー成形によって筒状に形成されている。このリインフォース３０は、ＡＢＳ樹脂で構成されている。
さらに、本実施形態に係るリインフォース３０は、側部用補強部３２にその長手方向に沿って筋状に延出した凸部３５を有する。
これを図４を用いてさらに具体的に説明すると、図３のＡ−Ａ線に沿った断面図である図４に示すように、側部用補強部３２は、前壁部３２Ａと、この前壁部３２Ａの左右の縁から車両後方側へ延びた左壁部３２Ｂ及び右壁部３２Ｃと、これらの左右の壁部３２Ｂ，３２Ｃの縁をつなぐように設けた後壁部３２Ｄと、から閉断面に形成されていて、この側部用補強部３２の後壁部３２Ｄにおいて、凸部３５は、互いに距離を置いた位置に設けられ車両後方側へ延出した延出部３５Ａ，３５Ｂと、これらの延出部３５Ａ，３５Ｂの縁をつなぐように設けたガラス当接部３５Ｃと、から形成されている。
なお、図４に示すように、側部用補強部３２の左壁部３２Ｂと右壁部３２Ｃとは、車両後方へ行くにつれてそれらの間隔が広くなるように形成されている。
The reinforcement 30 is formed in a cylindrical shape by blow molding. The reinforcement 30 is made of ABS resin.
Furthermore, the reinforcement 30 which concerns on this embodiment has the convex part 35 extended in the stripe form along the longitudinal direction in the reinforcement part 32 for side parts.
This will be described more specifically with reference to FIG. 4. As shown in FIG. 4, which is a cross-sectional view taken along the line AA in FIG. 3, the side reinforcing portion 32 includes the front wall portion 32 </ b> A, From the left wall part 32B and the right wall part 32C extending from the left and right edges of the front wall part 32A to the vehicle rear side, and the rear wall part 32D provided so as to connect the edges of the left and right wall parts 32B, 32C, In the rear wall portion 32D of the side portion reinforcing portion 32, which is formed in a closed cross section, the convex portion 35 is provided with extended portions 35A and 35B provided at positions spaced from each other and extending toward the vehicle rear side. The glass abutting portion 35C is provided so as to connect the edges of the extending portions 35A and 35B.
As shown in FIG. 4, the left wall portion 32 </ b> B and the right wall portion 32 </ b> C of the side portion reinforcing portion 32 are formed such that the distance between them increases toward the rear of the vehicle.
上記凸部３５に対応して、左右の側部４，５を構成するアウターパネル２０の部位には、図２に示すように、当該側部４，５の長手方向に沿った長穴７が形成されている。
このアウターパネル２０の長穴７を通じて、凸部３５は車両後方側へ突出する。この凸部３５が外側へ突出するバックドア１の側部５の表面領域は、前述したバックドアガラス２で覆われているため、凸部３５のガラス当接部３５Ｃはバックドアガラス２の裏面に当接する。本実施形態では、ガラス当接部３５Ｃは、接合手段としてのウレタン接着剤によってバックドアガラス２の裏面に接合されている。左側のリインフォース３０も、以上の右側のリインフォース３０と同様に構成されている。
Corresponding to the convex portion 35, the portion of the outer panel 20 constituting the left and right side portions 4 and 5 has a long hole 7 along the longitudinal direction of the side portions 4 and 5, as shown in FIG. Is formed.
Through the elongated hole 7 of the outer panel 20, the convex portion 35 protrudes toward the vehicle rear side. Since the surface area of the side portion 5 of the back door 1 from which the convex portion 35 projects outward is covered with the back door glass 2 described above, the glass contact portion 35C of the convex portion 35 is the back surface of the back door glass 2. Abut. In the present embodiment, the glass contact portion 35C is bonded to the back surface of the back door glass 2 with a urethane adhesive as a bonding means. The left reinforcement 30 is also configured in the same manner as the right reinforcement 30 described above.
本実施形態に係るバックドア１は以上のように構成されており、リインフォース３０の凸部３５をアウターパネル２０の長穴７から外側へ突出させて、アウターパネル２０やインナーパネル１０と比べて曲げ弾性率の高いバックドアガラス２に直にリインフォース３０を連結させている。 The back door 1 according to the present embodiment is configured as described above, and the convex portion 35 of the reinforcement 30 projects outward from the long hole 7 of the outer panel 20 and is bent as compared with the outer panel 20 and the inner panel 10. The reinforcement 30 is directly connected to the back door glass 2 having a high elastic modulus.
本実施形態に係るバックドア１によれば、従来剛性に寄与していなかったバックドアガラス２を剛性部材として活用させるために当該バックドアガラス２とリインフォース３０とを構造的に連結させたことで、バックドアガラス２が樹脂製のリインフォース３０の劣る剛性を補う役割を果たす。これにより、バックドア１全体で、効率的に剛性を確保することができる。
また、バックドアガラス２は、樹脂に比べて剛性が非常に高いため、本実施形態のようにバックドアガラス２自体を剛性部品として活用すれば、補強部品としてリインフォース３０の厚みなどをさらに薄くすることができ、更なる軽量化に貢献することができる。
According to the back door 1 according to the present embodiment, the back door glass 2 and the reinforcement 30 are structurally connected in order to use the back door glass 2 that has not conventionally contributed to rigidity as a rigid member. The back door glass 2 plays a role of supplementing the inferior rigidity of the resin reinforcement 30. Thereby, rigidity can be efficiently ensured in the entire back door 1.
Further, since the back door glass 2 has a very high rigidity compared to the resin, if the back door glass 2 itself is used as a rigid part as in this embodiment, the thickness of the reinforcement 30 is further reduced as a reinforcing part. Can contribute to further weight reduction.
以上詳述したが、本発明はその趣旨を逸脱しない範囲において様々な形態で実施をすることができる。
アウターパネル２０やインナーパネル１０の材料はポリプロピレン系に限らず、ガラス繊維を混入した樹脂材料であってもよく、この場合は、バックドアの剛性をさらに高めることができる。また、この場合、補強部品としてのリインフォースは裾部を補強する裾部用補強部を省略して構成してもよい。
上記説明では、接合手段としてウレタン樹脂を例示したが、その他のボルト・ナットなどの締結具を用いてもよい。
また、リインフォースの断面構造として図４に示すものはあくまで単なる一例にすぎず、例えば、左壁部３２Ｂと右壁部３２Ｃとの間隔は一定でも、或いは前方に行くにつれて広くなるようにしてもよい。
上記説明では、リインフォース３０がアウターパネル２０及びインナーパネル１０と異なる樹脂材料で構成される場合を示したが、アウターパネル２０及びインナーパネル１０と同じ樹脂材料、例えばポリプロピレン系樹脂で構成されてもよい。
Although detailed above, the present invention can be implemented in various forms without departing from the spirit of the present invention.
The material of the outer panel 20 and the inner panel 10 is not limited to polypropylene, and may be a resin material mixed with glass fiber. In this case, the rigidity of the back door can be further increased. In this case, the reinforcement as the reinforcing component may be configured by omitting the reinforcing portion for the skirt portion that reinforces the skirt portion.
In the above description, urethane resin is exemplified as the joining means, but other fasteners such as bolts and nuts may be used.
Further, the cross-sectional structure of the reinforcement shown in FIG. 4 is merely an example. For example, the interval between the left wall portion 32B and the right wall portion 32C may be constant or may increase as it goes forward. .
In the above description, the case where the reinforcement 30 is made of a resin material different from that of the outer panel 20 and the inner panel 10 has been shown. However, the reinforcement 30 may be made of the same resin material as the outer panel 20 and the inner panel 10, for example, a polypropylene resin. .
１ バックドア
２ バックドアガラス
３ バックドア上部
４，５ バックドア側部
６ バックドア裾部
７ 長穴
１０ インナーパネル
２０ アウターパネル
３０ リインフォース（第１及び第２のリインフォース）
３１ 上部用補強部
３２ 側部用補強部
３２Ａ 側部用補強部の前壁部
３２Ｂ 側部用補強部の左壁部
３２Ｃ 側部用補強部の右壁部
３２Ｄ 側部用補強部の後壁部
３３ 裾部用補強部
３５ 凸部
３５Ａ，３５Ｂ 凸部の延出部
３５Ｃ 凸部のガラス当接部
DESCRIPTION OF SYMBOLS 1 Back door 2 Back door glass 3 Back door upper part 4, 5 Back door side part 6 Back door hem part 7 Elongate hole 10 Inner panel 20 Outer panel 30 Reinforce (1st and 2nd reinforce)
31 Upper reinforcement part 32 Side reinforcement part 32A Front wall part of side reinforcement part 32B Left wall part of side reinforcement part 32C Right wall part of side reinforcement part 32D Rear wall of side reinforcement part Part 33 Reinforcement part for hem part 35 Convex part 35A, 35B Protruding part extension part 35C Convex part glass contact part
Claims (6)
上記上部，上記左右の側部及び上記裾部が内部に中空領域を画成するように樹脂製のインナーパネルと樹脂製のアウターパネルとを重ね合わせて構成されており、
上記上部内から左の側部を経て上記裾部内迄の領域に樹脂製で筒状の第１のリインフォースが配設され、
上記上部内から右の側部を経て上記裾部内迄の領域に樹脂製で筒状の第２のリインフォースが配設され、
上記左右の側部を構成する上記アウターパネルの部位に、当該側部の長手方向に沿った長穴が形成されており、
上記第１のリインフォースと上記第２のリインフォースとは、上記長穴に対向する位置に、当該リインフォースの長手方向に沿って上記アウターパネル側へ突出した凸部を有し、
上記凸部が、上記アウターパネルの長穴から車両後方側へ突出し、接合手段によって上記ガラスに接合されている、バックドア。 The upper part arranged in the vehicle width direction along the upper edge of the rear part of the vehicle, the left and right side parts arranged in the vertical direction of the vehicle along the side edge of the rear part of the vehicle, and the lower part from the lower ends of these left and right side parts A back door comprising: a skirt portion disposed on the top portion; a back door glass attached to an opening defined by the upper portion, the left and right side portions, and the skirt portion;
The upper part, the left and right side parts, and the skirt part are configured by overlapping a resin inner panel and a resin outer panel so that a hollow region is defined inside,
A first cylindrical reinforcement made of resin is disposed in the region from the upper part through the left side part to the inside of the skirt part,
A second cylindrical reinforcement made of resin is disposed in the region from the inside of the upper part through the right side part to the inside of the skirt part,
In the part of the outer panel that constitutes the left and right side portions, elongated holes are formed along the longitudinal direction of the side portions,
The first reinforce and the second reinforce have a convex portion protruding toward the outer panel along the longitudinal direction of the reinforce at a position facing the elongated hole,
The back door in which the convex part protrudes from the elongated hole of the outer panel to the vehicle rear side and is joined to the glass by a joining means.
前記凸部は、上記側部用補強部に形成されている、請求項１に記載のバックドア。 Each reinforcement has an upper reinforcing portion extending in the vehicle width direction that reinforces the rigidity of the upper portion, and extends downward from an end portion on the outer side in the vehicle width direction of the upper reinforcing portion so that the rigidity of the side portion is increased. A reinforcing part for side part to be reinforced, and a reinforcing part for hem part extending downward from the lower end part of the reinforcing part for side part and reinforcing the rigidity of the skirt part,
The back door according to claim 1, wherein the convex portion is formed in the side reinforcing portion.
前記凸部は、上記後壁部で互いに距離を置いた位置に設けられ車両後方側へ延出した延出部と、これらの延出部の縁をつなぐように設けたガラス当接部と、から形成されている、請求項２に記載のバックドア。 The side portion reinforcing portion is provided to connect the front wall portion, the left and right wall portions extending from the left and right edges of the front wall portion to the vehicle rear side, and the edges of the left and right wall portions. A rear wall and a closed cross section,
The convex portion is provided at a position spaced apart from each other on the rear wall portion and extends to the vehicle rear side, and a glass contact portion provided so as to connect the edges of these extended portions, The back door according to claim 2, wherein the back door is formed from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009033286A JP4771262B2 (en) | 2009-02-16 | 2009-02-16 | back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009033286A JP4771262B2 (en) | 2009-02-16 | 2009-02-16 | back door |
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| Publication Number | Publication Date |
|---|---|
| JP2010188792A JP2010188792A (en) | 2010-09-02 |
| JP4771262B2 true JP4771262B2 (en) | 2011-09-14 |
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| JP2009033286A Expired - Fee Related JP4771262B2 (en) | 2009-02-16 | 2009-02-16 | back door |
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