JP2014118128A5 - - Google Patents

Claims (7)

車軸に取り付けられる取り付け体と、
該取り付け体をタイヤ径方向外側から囲繞する外筒体と、
前記取り付け体と前記外筒体の間にタイヤ周方向に沿って複数配設され、前記外筒体と前記取り付け体を相対的に弾性変位自在に連結する連結部材と、
前記外筒体をタイヤ径方向外側から囲繞するトレッド部と、を備え、
タイヤ幅方向断面視で、タイヤ赤道面を中心としたトレッド幅の５０％の幅のタイヤ幅方向領域である中央領域における前記トレッド部の外表面の輪郭が、少なくとも部分的に、タイヤ径方向外側に凸となる曲線であることを特徴とする、非空気入りタイヤ。 An attachment attached to the axle;
An outer cylinder surrounding the mounting body from the outside in the tire radial direction;
A plurality of connecting members that are disposed along the tire circumferential direction between the attachment body and the outer cylinder, and that connect the outer cylinder and the attachment body in a relatively elastically displaceable manner,
A tread portion that surrounds the outer cylindrical body from the outer side in the tire radial direction,
In the cross-sectional view in the tire width direction, the contour of the outer surface of the tread portion in the central region, which is a tire width direction region having a width of 50% of the tread width centering on the tire equatorial plane, is at least partially outside in the tire radial direction. A non-pneumatic tire characterized by a curved curve. タイヤ幅方向断面視で、前記中央領域における前記トレッド部のタイヤ径方向の厚さが、前記トレッド部のタイヤ幅方向端におけるタイヤ径方向の厚さよりも大きい、請求項１に記載の非空気入りタイヤ。   2. The non-pneumatic structure according to claim 1, wherein a tire radial direction thickness of the tread portion in the central region is larger than a tire radial direction thickness of the tread portion at a tire width direction end in a cross-sectional view in the tire width direction. tire. 前記外筒体は、タイヤ幅方向一方側に位置する一方側外筒体と、タイヤ幅方向他方側に位置する他方側外筒体と、に分割され、
前記一方側外筒体と前記他方側外筒体との接合部における、外筒体のタイヤ径方向の厚さが、前記外筒体のタイヤ径方向の平均厚さよりも大きい、請求項１又は２に記載の非空気入りタイヤ。 The outer cylinder is divided into one outer cylinder positioned on one side in the tire width direction and the other outer cylinder positioned on the other side in the tire width direction,
The thickness in the tire radial direction of the outer cylinder at the joint portion between the one outer cylinder and the other outer cylinder is greater than the average thickness in the tire radial direction of the outer cylinder. 2. The non-pneumatic tire according to 2. 前記連結部材が、タイヤ幅方向に離間して配置された一方側連結部材および他方側連結部材を備え、
前記一方側連結部材と前記他方側連結部材の間のタイヤ幅方向領域における前記外筒体のタイヤ径方向の厚さが、前記外筒体のタイヤ径方向の平均厚さよりも大きい、請求項１〜３のいずれか一項に記載の非空気入りタイヤ。 The connecting member includes a first side connecting member and a second side connecting member that are spaced apart in the tire width direction,
The tire radial direction thickness of the said outer cylinder in the tire width direction area | region between the said one side connection member and the said other side connection member is larger than the average thickness of the said outer cylinder body of the tire radial direction. The non-pneumatic tire as described in any one of -3. 前記外筒体のタイヤ径方向の厚さが、タイヤ幅方向の中央側に向けて少なくとも一部で漸増する、請求項３または４に記載の非空気入りタイヤ。   The non-pneumatic tire according to claim 3 or 4, wherein a thickness of the outer cylindrical body in the tire radial direction gradually increases at least partially toward a center side in the tire width direction. タイヤ幅方向断面視で、前記外筒体がタイヤ径方向外側に突出する突出部を有し、該突出部は、前記突出部の基底部におけるタイヤ幅方向の幅よりもタイヤ幅方向の幅が大きい幅拡大部を有する、請求項１〜５のいずれか一項に記載の非空気入りタイヤ。   In the cross-sectional view in the tire width direction, the outer cylindrical body has a protruding portion that protrudes outward in the tire radial direction, and the protruding portion has a width in the tire width direction that is greater than the width in the tire width direction at the base portion of the protruding portion. The non-pneumatic tire according to any one of claims 1 to 5, having a large width enlarged portion. 前記外筒体のタイヤ径方向の厚さが大きく形成された部分のタイヤ幅方向の幅が、前記一方側連結部材と前記他方側連結部材の間のタイヤ幅方向領域の幅よりも大きい、請求項４に記載の非空気入りタイヤ。The width in the tire width direction of the portion formed with a large thickness in the tire radial direction of the outer cylinder is larger than the width in the tire width direction region between the one side connecting member and the other side connecting member. Item 5. A non-pneumatic tire according to item 4.