Car door structure and noise insulation sheet

A car door structure comprising a door inner panel, an interior door trim, a noise insulation sheet, an inner weather strip and a door glass wherein, said door trim is installed in the interior side of the door inner panel;

• said inner weather strip comprises seal lips for making resilient contacts with the door glass;
• said inner weather strip is secured to the door inner panel or the door trim;
• said noise insulation sheet is provided between the door inner panel and the door trim;
• said noise insulation sheet is hung down from the upper side to the lower side of the door inner panel like a curtain;
• and said noise insulation sheet is fixed to the inner weather strip at the upper part thereof.

A car door structure comprising a door inner panel, an interior door trim, a noise insulation sheet and a door glass wherein, said door trim is provided over the door inner panel to the interior side of the door inner panel;

• said inner weather strip comprises seal lips for making resilient contacts with the door glass;
• said weather strip is provided at the upper part of the door trim;
• said noise insulation sheet is hung down between the door inner panel and the door trim like a curtain;
• and said noise insulation sheet covers at least the upper edge of the door inner panel.

A car door structure comprising a door inner panel, an interior door trim, a noise insulation sheet and an inner weather strip wherein, said door trim is installed in the interior side of the door inner panel;

• said noise insulation sheet is provided between the door inner panel and the door trim;
• said noise insulation sheet is hung down from the upper side to the lower side of the door inner panel like a curtain;
• the upper end of the noise insulation sheet is fixed to the door inner panel, the door trim or the inner weather strip;
• said inner weather strip is fixed to the door inner panel or the door trim;
• said door trim is provided with pins at both sides or/and the lower side thereof;
• said pins projects toward the door inner panel;
• said pins position the noise insulation sheet to the door inner panel not to protrude out of the edge of the door trim by passing through or pushing the noise insulation sheet to the door inner panel.

A car door structure comprising a door inner panel, an interior door trim, a noise insulation sheet and an inner weather strip wherein, said door trim is installed in the interior side of the door inner panel;

• said noise insulation sheet is provided between the door inner panel and the door trim;
• said noise insulation sheet is hung down from the upper side to the lower side of the door inner panel like a curtain;
• the upper end of the noise insulation sheet is fixed to the door inner panel, door trim or the inner weather strip;
• said weather strip is fixed to the door inner panel or the door trim;
• said noise insulation sheet is provided with clips at both sides and/or the lower side thereof;
• and said clips position the noise insulation sheet to the door trim not to protrude out of the edge of the door trim.

A car door structure comprising a door inner panel, an interior door trim, a noise insulation sheet and an inner weather strip wherein, said door trim is installed in the interior side of the door inner panel;

• said noise insulation sheet is provided between the door inner panel and the door trim;
• said noise insulation sheet is hung down from the upper side to the lower side of the door inner panel like a curtain;
• the upper end of the noise insulation sheet is fixed to the door inner panel, the door trim or the inner weather strip;
• said inner weather strip is secured to the door inner panel or the door trim;
• said door trim comprises a groove part at the periphery of the door inner panel side;
• said groove part is provided continuously or intermittently;
• said channel part has a concave shape in section;
• said noise insulation sheet is pushed at the edge part thereof into the groove part of the door trim;
• and said noise insulation sheet is positioned such that the edge part thereof does not protrude out of the door trim.

A car door structure comprising a door inner panel, an interior door trim, a noise insulation sheet and an inner weather strip wherein, said door trim is installed in the interior side of the door inner panel;

• said inner weather strip comprises seal lips for making resilient contacts with a door glass;
• said inner weather strip is fixed to the door inner panel;
• said noise insulation sheet is provided between the door inner panel and the door trim;
• said noise insulation sheet is hung down from the upper side to the lower side of the door inner panel like a curtain;
• said noise insulation sheet is fixed to the inner weather strip at the upper part thereof;
• and said inner weather strip fits with the upper end of the door inner panel.

A noise insulation sheet comprised in a car door structure wherein, said car door structure comprises a door inner panel, an interior door trim and an inner weather strip;

• said door trim is installed in the interior side of the door inner panel;
• the lower end of the door trim positions above the lower end of the door inner panel;
• said noise insulation sheet is provided between the door inner panel and the door trim;
• the upper end of the noise insulation sheet is fixed to the door inner panel, the door trim or the inner weather strip fixed to the door inner panel or the door trim;
• said noise insulation sheet is hung down from the upper side to the lower side of the door inner panel like a curtain;
• said noise insulation sheet is fixed to the interior side of the door inner panel;
• and the lower part of the noise insulation sheet protrudes from the lower end of the door trim.