Title:
自閉式液圧緩衝ヒンジ
Document Type and Number:
Japanese Patent JP7397533
Kind Code:
B2
Abstract:
A self-closing hydraulic buffer hinge, comprising: a protruding sheet (3), a recessed sheet (18), a screw shaft (7), a pressure spring (9), an oil cylinder (15), a restriction sleeve (2), a screw sleeve (5) and a connection sleeve (10). Two through grooves (201) are axially symmetrically provided on the wall of the restriction sleeve (2), and comprise parallel sections (2011) and non-parallel sections (2012). The screw shaft (7) in the screw sleeve (5) cooperate with the screw sleeve (5) to form a meshed spiral elevation structure. The spiral elevation structure is lifted in an direction which the screw shaft (7) moves upwards axially when the hinge is closed.
Inventors:
Wu Zhao Jian
Application Number:
JP2022545397A
Publication Date:
December 13, 2023
Filing Date:
September 15, 2021
Export Citation:
Assignee:
GUANGDONG ZHAOGAO METAL TECHNOLOGY CO., LTD.
International Classes:
E05F3/20; E05D3/02
Foreign References:
| CN101718162A | ||||
| CN109681068A | ||||
| WO2019210364A1 | ||||
| WO2008100035A1 |
Attorney, Agent or Firm:
Momoko Arima