A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A silent door lock comprises a panel (1), a lining board assembly (2), a box base component (3), a handling pick (4), a buffer handle (5) and a buffer drive (6); the buffer handle (5) includes a handle (51), a volute spiral spring (52), a toggling plate (53) and a damper (54); the handle (51) is inserted into the volute spiral spring (52), the toggling plate (53) and the damper (54) in turn through a handle mounting hole (11) on the panel (1); the buffer drive (6) includes a drive (61), a drive return spring (62), a silencing retainer sleeve (63), a drive guide vane (64) and a drive lever (65); the silencing retainer sleeve (63) consists of a front cover of the silencing retainer sleeve (631), two O rings (632) and a rear cover of the silencing retainer sleeve (633). A damping chamber (6312) is arranged at the center of the front cover of the silencing retainer sleeve (631), an appropriate amount of damping grease (63120) is injected into the damping chamber (6312), and the two O rings (632) block the damping grease (63120) in the damping chamber (6312).
A silent door lock comprises a panel (1), a lining board assembly (2), a box base component (3), a handling pick (4), a buffer handle (5) and a buffer drive (6); the buffer handle (5) includes a handle (51), a volute spiral spring (52), a toggling plate (53) and a damper (54); the handle (51) is inserted into the volute spiral spring (52), the toggling plate (53) and the damper (54) in turn through a handle mounting hole (11) on the panel (1); the buffer drive (6) includes a drive (61), a drive return spring (62), a silencing retainer sleeve (63), a drive guide vane (64) and a drive lever (65); the silencing retainer sleeve (63) consists of a front cover of the silencing retainer sleeve (631), two O rings (632) and a rear cover of the silencing retainer sleeve (633). A damping chamber (6312) is arranged at the center of the front cover of the silencing retainer sleeve (631), an appropriate amount of damping grease (63120) is injected into the damping chamber (6312), and the two O rings (632) block the damping grease (63120) in the damping chamber (6312).
MUTE DOOR LOCK
STUMMES TÜRSCHLOSS
SERRURE DE PORTE SILENCIEUSE
TANG JIGAO (author)
2018-02-07
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser