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Rotary wedge-shaped self-locking air filter door shackle
A rotary wedge-shaped self-locking air filter door shackle comprises a bolt fixed on a wall. The rotary wedge-shaped self-locking air filter door shackle is characterized by further comprising a wedge-shaped block fixed on an air filter door, a rotary locking handle and a nut, the wedge-shaped block is gradually thickened continuously from top to bottom, a front surface of the wedge-shaped block is an inclined locking work face, a retaining block which protrudes forwards is arranged at the lower end of the wedge-shaped block, a blind hole in front-rear direction is formed in the upper end of the wedge-shaped block, an elastic retaining head running back and forth is arranged in the blind hole, a spring used for forward-backward extension and contraction is arranged between the elastic retaining head and the wedge-shaped block, a locking plate is arranged at one end of the rotary locking handle and matched with the locking work face of the wedge-shaped block, a sleeve is arranged at the other end of the rotary locking handle and disposed on the bolt in a sleeved manner with a gap, and the nut is assembled on the bolt and positioned in front of the rotary locking handle. The rotary wedge-shaped self-locking air filter door shackle is simple and convenient to open and close, less prone to disengagement and failure and quite high in reliability.
Rotary wedge-shaped self-locking air filter door shackle
A rotary wedge-shaped self-locking air filter door shackle comprises a bolt fixed on a wall. The rotary wedge-shaped self-locking air filter door shackle is characterized by further comprising a wedge-shaped block fixed on an air filter door, a rotary locking handle and a nut, the wedge-shaped block is gradually thickened continuously from top to bottom, a front surface of the wedge-shaped block is an inclined locking work face, a retaining block which protrudes forwards is arranged at the lower end of the wedge-shaped block, a blind hole in front-rear direction is formed in the upper end of the wedge-shaped block, an elastic retaining head running back and forth is arranged in the blind hole, a spring used for forward-backward extension and contraction is arranged between the elastic retaining head and the wedge-shaped block, a locking plate is arranged at one end of the rotary locking handle and matched with the locking work face of the wedge-shaped block, a sleeve is arranged at the other end of the rotary locking handle and disposed on the bolt in a sleeved manner with a gap, and the nut is assembled on the bolt and positioned in front of the rotary locking handle. The rotary wedge-shaped self-locking air filter door shackle is simple and convenient to open and close, less prone to disengagement and failure and quite high in reliability.
Rotary wedge-shaped self-locking air filter door shackle
LI DAJUN (author) / DING XUEQING (author) / YU XIAOMING (author) / ZHAO XIUHUA (author) / LIU CHENGJUN (author) / LUO QINGPING (author) / YANG LIAN AN (author)
2015-09-23
Patent
Electronic Resource
English
IPC:
E05C
Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster
,
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
/
F02M
Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein
,
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF