High-temperature and high-pressure sealed solid nuclear magnetic resonance sample cell

The invention discloses a high-temperature and high-pressure sealed solid nuclear magnetic resonance sample cell, the nuclear magnetic resonance sample cell comprises a driving cap and a sample cavity, an opening of the sample cavity is provided with an internal thread, the bottom of the sample cavity is provided with an opening and a sealing cap matched with the thread at the opening in form, and the sample cavity is hermetically connected with the sealing cap; or the sample cavity is provided with an upper end opening and a lower end sealing opening, the upper end opening is provided with an internal thread, the root part of the driving cap is provided with an external thread matched with the thread at the opening, and the driving cap is in sealing connection with the sample cavity. The nuclear magnetic resonance sample cell containing the threads is processed, and in-situ catalytic reaction in a sealing system and solid nuclear magnetic resonance research in functional materials and biological materials ar