Solid-Liquid Separation Bottle Cap And Bottle

A solid-liquid separation bottle cap, characterized in that it comprises a storage container (1), an elastically deformable sleeve (2), and a cap body (3);

• an inner cavity wall of the cap body (3) is sequentially provided from top to bottom with an upper pressing ring (4), a lower pressing ring (5), and an internal thread (6), wherein an accommodating gap (7) is formed between the upper pressing ring (4) and the lower pressing ring (5);
• a limiting ring (8) is provided on an outer side wall of the storage container (1);
• the elastically deformable sleeve (2) is tightly fitted over the top of the storage container (1) and covers a top port of the storage container (1);
• an outward flange (9) is convexly provided at an edge of a bottom port of the elastically deformable sleeve (2);
• the cap body (3) is tightly fitted over an outer side wall of the elastically deformable sleeve (2);
• a top surface of the limiting ring (8) abuts against a bottom surface of the outward flange (9);
• the outward flange (9) is capable of protruding into the accommodating gap (7);
• the lower pressing ring (5) is configured to press down on the limiting ring (8);
• the upper pressing ring (4) is configured to press down on the top surface of the outward flange (9);
• the inner cavity wall of the cap body (3) and the outer side wall of the storage container (1) enclose an installation space (10);
• and the internal thread (6) protrudes into the installation space (10).