FIELD: sealing; locks.
SUBSTANCE: invention relates to sealing devices, which can be used for locking and simultaneous sealing of doors of various objects equipped with locking assemblies, to prevent penetration of unauthorized persons or intruders. Locking-sealing device comprises a housing with a longitudinal recess made in its cavity, rope, with one end fixed in housing opening by plastic deformation of housing elements, insert installed in recess of housing, with formation of through channel for passage of working piece of rope when device is closed, shaped cutout is made in this insert, which is interconnected with channel for passage of working piece of rope and has trapezoidal shape in plan. In the wide part of the cutout of the insert there is a seat for the spring interacting with the locking roller, which contacts the inclined plane of the shaped slot and fixes the working piece of the rope. On the side surface of the insert there is a groove forming together with the groove made in the wall of the longitudinal recess a through channel. In the middle part of the housing there is a hole conjugated with the hole made in the insert, and in these holes there is a permanently installed pin having hardness higher than the hardness of the housing and the insert. Housing is placed in the casing, on the upper end of which there are two holes, one for passage of the passive section of the rope, and the second hole forms the inlet window of the device for insertion of the working piece of the rope into it when the device is closed. In the upper part of the casing, coaxially with the inlet window, a lodgement is made, in which the main protective washer is arranged with the possibility of rotation around its axis, which hole corresponds to the profile of the rope cross-section, and on its inner surface there are screw grooves, the pitch of which is equal to the pitch of the rope strands. Casing on the lower side of the device is closed by a cover permanently fixed by plastic deformation of the casing elements, and in the cover coaxially with the through channel there is a hole for passage of the working piece of the rope and a cylindrical lodgement, diameter of which is greater than diameter of the passage channel and in which there is an additional protective washer with possibility of rotation, the design of which repeats the design of the main protective washer.
EFFECT: high resistance of the device to external factors.
6 cl, 6 dwg
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Authors
Dates
2024-02-19—Published
2023-08-01—Filed