PROBLEM TO BE SOLVED: To provide a reinforcement structure of a resin back door, effectively improving rigidity of a door corner part without inviting an increase in the number of components and an increase in an assemble man hour.SOLUTION: A reinforcement structure of a resin back door includes a back door inner panel 100 which has a back door upper part 110 extending in the vehicle width direction, right and left back door side parts 121 and 122 extending downward via a door corner part 300 from both sides of the back door upper part 110, and a back door skirt part 130 connected to the bottom edges of the right and left back door side parts 121 and 122, and in which a pair of right and left hinge attaching parts 111 and 112, and a pair of right and left damper stay connection parts 135 are provided. The door corner part 300 has an inside corner wall 311 and an outside corner wall 312, has a recessed groove shape in which the bottoms thereof are connected via an intermediate part 313, and includes a plurality of ribs 320 whose one end is connected to the inside corner wall 311, and whose the other end is connected to the outside corner wall 312, and which are radially arranged from the inside corner wall 311 to the outside corner wall 312.SELECTED DRAWING: Figure 1
【課題】部品点数の増加や組立工数の増加を招くことなく、効果的にドアコーナ部の剛性を向上させた樹脂製バックドアの補強構造を提供する。【解決手段】車幅方向に延びるバックドア上部110と、当該バックドア上部110の両端からドアコーナ部300を経て下方に延びる左右のバックドア側部121,122と、当該左右のバックドア側部121,122の下端につながるバックドア裾部130とを有し、左右一対のヒンジ取付け部111,112と、左右一対のダンパステー連結部135とが設けられたバックドアインナパネル100を有する樹脂製バックドアの補強構造であって、ドアコーナ部300は、内側コーナ壁311と、外側コーナ壁312とを有するとともに、それらの底部が中間部313を介して連結された凹溝状をしており、一端が内側コーナ壁311に連結され、他端が外側コーナ壁312に連結され、かつ内側コーナ壁311から外側コーナ壁312にかけて放射状に配置された複数のリブ320を備える。【選択図】 図1
REINFORCEMENT STRUCTURE OF RESIN BACK DOOR
樹脂製バックドアの補強構造
2017-08-03
Patent
Electronic Resource
Japanese
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |