US 12,392,706 B1
Sealed pressure container for high-pressure accelerated aging test
Dongxi Liu, Suzhou (CN)
Assigned to HAITUO INSTRUMENT (JIANGSU) CO., LTD., Suzhou (CN)
Filed by HAITUO INSTRUMENT (JIANGSU) CO., LTD., Suzhou (CN)
Filed on May 8, 2025, as Appl. No. 19/202,563.
Application 19/202,563 is a continuation of application No. PCT/CN2023/107219, filed on Jul. 13, 2023.
Claims priority of application No. 202310040508.3 (CN), filed on Jan. 12, 2023.
Int. Cl. G01N 17/00 (2006.01)
CPC G01N 17/002 (2013.01) 10 Claims
OG exemplary drawing
 
1. A sealed pressure vessel for a high-pressure accelerated aging test, comprising:
a box body (1);
a pressure chamber (2), wherein the pressure chamber (2) is provided in the box body (1), and the pressure chamber (2) comprises a chamber body (21) configured to accommodate a product under test and a chamber door (22) provided at an opening of the chamber body (21) in a relatively opened or closed manner;
a humidification device (4), wherein the humidification device (4) is provided in the box body (1) and is configured to supply water vapor to the pressure chamber (2) to provide pressure and humidity; and
a sealing mechanism (3), wherein the sealing mechanism (3) is provided in the box body (1) and is configured to perform sealing when the chamber door (22) is closed relative to the chamber body (21), the sealing mechanism (3) comprises a first seal ring (31) protruding outward around the opening of the chamber body (21) and formed on an outer wall of the chamber body (21), a second seal ring (32) provided along an edge of the chamber door (22), a seal chain (33) provided around a periphery of the first seal ring (31), and a driving assembly (34) connected to two ends of the seal chain (33) respectively and configured to tighten or loosen the seal chain (33), and when the chamber door (22) is closed relative to the chamber body (21), the first seal ring (31) abuts against the second seal ring (32), and the seal chain (33) tightens to clamp the first seal ring (31) and the second seal ring (32), wherein
a length of the seal chain (33) is less than the circumference of the first seal ring (31) and/or the second seal ring (32), the seal chain (33) comprises a plurality of clamping members (331) and a plurality of first connecting members (332) provided at intervals with the plurality of clamping members (331), two ends of each of the first connecting members (332) are respectively rotatably connected to two adjacent clamping members (331), a groove (333) is opened on a side surface of each of the clamping members (331) that faces the first seal ring (31), a width of the groove (333) gradually decreases from a groove opening to a groove bottom, a width of the groove opening of the groove (333) is greater than a sum of thicknesses of the first seal ring (31) and the second seal ring (32), and a width of the groove bottom of the groove (333) is less than the sum of the thicknesses of the first seal ring (31) and the second seal ring (32).