Non-pneumatic vacuum tire

A non-pneumatic vacuum tire, comprising a tread layer (1) and a carcass ply layer (2), the tread layer (1) being provided on the carcass ply layer (2) and located at a crown (4), and a pattern groove (11) being formed in a surface of the tread layer (1), wherein,

• the non-pneumatic vacuum tire further comprises a puncture-resistant airtight layer (3);
• the puncture-resistant airtight layer (3) is fixedly provided between the tread layer (1) and the carcass ply layer (2) or fixedly provided under the carcass ply layer (2);
• the puncture-resistant airtight layer (3) comprises one or more layers of canvas (31);
• a warp and a weft of the canvas (31) each are formed by 5-30 filaments;
• and the canvas (31) forms the puncture-resistant airtight layer (3) by rubber impregnation and rubber coating;
• and
• the puncture-resistant airtight layer (3) at least covers a clinch (6) to a shoulder (5);
• and a lower end of the puncture-resistant airtight layer (3) extends to the clinch (6) and forms a turn-up structure (7).