US 12,291,378 B2
Storage tank
Jianzhong Zhang, Handan (CN); and Xiaojia Liu, Handan (CN)
Assigned to GENICOOK PRODUCT, LLC, Garland, TX (US)
Filed by GENICOOK PRODUCT, LLC, Garland, TX (US)
Filed on Jul. 5, 2023, as Appl. No. 18/346,864.
Claims priority of application No. 202320252976.2 (CN), filed on Feb. 20, 2023.
Prior Publication US 2023/0348153 A1, Nov. 2, 2023
Int. Cl. B65D 43/26 (2006.01); B65D 39/12 (2006.01); B65D 43/02 (2006.01); B65D 53/02 (2006.01)
CPC B65D 43/26 (2013.01) [B65D 39/12 (2013.01); B65D 43/022 (2013.01); B65D 53/02 (2013.01); B65D 2543/00092 (2013.01); B65D 2543/00527 (2013.01); B65D 2543/00564 (2013.01); B65D 2543/00925 (2013.01); B65D 2543/00972 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A storage tank, comprising a tank body (1) and a sealing cover (2), wherein a top of the tank body (1) is provided with a tank mouth; the sealing cover (2) can seal the tank mouth, wherein the sealing cover (2) comprises a main cover (22), a cover plate (21), a sealing ring (23), an annular extrusion part (24) and a sealing switch (25);
a top of the main cover (22) is provided with an accommodating groove (221); the cover plate (21) is covered on the accommodating groove (221) and is provided with operation ports (211) corresponding to the sealing switch (25); an edge of the cover plate (21) covers the tank mouth; a sealable annular gap (3) is formed between an outer circumference of the main cover (22) and an inner wall of the tank body (1); the sealing ring (23) is sleeved and fixed on the outer circumference of the main cover (22); the annular extrusion part (24) is slidably sleeved on the main cover (22) below the sealing ring (23) to extrude or release the sealing ring (23) to change a shape for opening or sealing the annular gap (3); the sealing switch (25) is located in the accommodating groove (221); an upper end of the sealing switch is a driving end and corresponds to the operation ports (211), and a lower end is an installing end and is fixedly connected with the annular extrusion part (24);
wherein the sealing switch (25) comprises a guide column (254), a compression spring (253), a lifting frame (251), two switch keys (252) and a connecting column (255); the guide column (254) is fixed at the bottom of the cover plate (21) along a sliding direction of the annular extrusion part (24); the lifting frame (251) is slidably connected to the guide column (254); and the compression spring (253) is sleeved on the guide column (254), and both ends are fixedly connected with the bottom of the cover plate (21) and the lifting frame (251) respectively;
the two switch keys (252) are symmetrically and rotatably connected to the main cover (22) and have a lifting gap (4) therebetween for accommodating the lifting frame (251); two operation ports (211) are arranged, and the driving ends of the two switch keys (252) correspond to the operation ports (211) and connecting ends are movably connected with the lifting frame (251); and the upper end of the connecting column (255) is fixed on the lifting frame (251);
the bottom of the accommodating groove (221) is provided with a perforated hole (5) corresponding to the connecting column (255), the lower end of the connecting column (255) is the installing end, and the installing end penetrates through the perforated hole (5) and is fixedly connected with the annular extrusion part (24).