Automatically resettable tobacco heating device

An automatically resettable smoking paraphernalia, comprising the following components:

• an outer upper shell, wherein a side wall of the outer upper shell is provided with a pushing key sliding groove, and an inner wall of the outer upper shell is provided with a protruded strip;
• a smoking cup provided inside the outer upper shell, wherein an outer wall of the smoking cup is provided with two outward protruded annuli, a reinforcing rib is provided between the two outward protruded annuli on the outer wall of the smoking cup, a bottom of the smoking cup is provided with a heating element socket, and the outer wall of the smoking cup is sleeved with a spring;
• and
• a pushing key, wherein the pushing key comprises a pushing key annulus and a pushing key block, the pushing key annulus is engaged with one of the two outward protruded annuli, and the pushing key block is provided inside the pushing key sliding groove;
• wherein the protruded strip and the reinforcing rib are matched with each other, wherein
• when the pushing key is pushed upward, the smoking cup is moved upward, which causes the spring to move upward and be compressed, and when the pushing key is pushed until an upper part of the smoking cup protrudes out of the outer upper shell, the protruded strip engages with the reinforcing rib, which causes a lower part of the smoking cup tightly held by the outer upper shell and locks the smoking cup from rotating or shifting in an oblique direction;
• and
• when the pushing key is released, the spring resets the smoking cup to an original position.