Door structure of automotive vehicle
AssigneeMazda Motor Corporation
InventorYukihiro Moriyama
Life of this patent
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Abstract
Vertical frame portions provided at both side portions of a door frame are a light-metal casting, plural connecting frames, which are a light-meal hollow extrusion molding, connect the vertical frame portions, the vertical frame portions are provided with protrusion portions which engage with inward connecting frames in a longitudinal direction, plural attachment portions which attach the outward connecting frames and the vertical frame portion are provided at different points in the longitudinal direction, and an outward connecting frame is provided with an upper rib which engages with an engagement recess portion provided at an upper portion of a door outer panel formed in a non-planar shape.
Claims17
A door structure of an automotive vehicle, comprising:
- a door frame comprising a front-side vertical frame portion and a rear-side vertical frame portion which are respectively provided at front-and-rear side portions, in a vehicle longitudinal direction, of the door frame and plural connecting members which connect the front-side and rear-side vertical frame portions at a beltline position of a door, the front-side and rear-side vertical frame portions being a light-metal casting, the plural connecting members being a light metal hollow extrusion molding, wherein said light metal is aluminum, alloy of aluminum, magnesium, or alloy of magnesium;
- and
- a door outer panel formed in a non-planar shape,
- wherein said plural connecting members of the door frame comprise an inward-beltline connecting member which is positioned on an inward side, in a vehicle width direction, of the door frame and an outward-beltline connecting member which is positioned on an outward side, in the vehicle width direction, of the inward-beltline connecting member of the door frame,
- said front-side and rear-side vertical frame portions of the door frame are provided with protrusion portions which respectively engage with said inward-beltline connecting member in a longitudinal direction of the inward-beltline connecting member,
- plural attachment portions which attach said outward-beltline connecting member and said front-side and rear-side vertical frame portions are provided at different points in a longitudinal direction of the outward-beltline connecting member,
- said outward-beltline connecting member is provided with a rib or flange which engages with an engagement portion provided at an upper portion of said door outer panel, and
- said door outer panel is made of resin, and said engagement portion provided at the door outer panel comprises an engagement protrusion piece which protrudes downward and extends in the vehicle width direction at a lower face of the upper portion of the door outer panel and an engagement recess portion which is formed at the engagement protrusion piece so as to match said rib or flange provided at the outward-beltline connecting member for engaging therewith.
Dependencies are inferred from the claim text.