PYROLOCK Russian patent published in 2018 - IPC B64G1/64 

FIELD: astronautics.

SUBSTANCE: invention relates to the field of rocket and space technology. Pyrolock includes a rod with a groove and a nut, nested liners, a bushing, locking liners from the outside, a body, a rod, a spring, a damping element, pyro-chucks with pyro-chambers. Rod with its protrusion is fixedly fixed in the cylindrical recess of the body with the help of glue. Spring pressing the rod is fixed to the flange of the rod by means of a grip, the petals of which compress the spring coil. At the second end of the rod is made a groove, which interacts with the flat protrusion of the rod. On the shank of the body is fixed a pyro-chamber with two pyro-cartridges, on the lateral conical surface of which there is a damping element in the form of annular projections. Cavity of the pyro-chamber is communicated with the annular sealed cavity formed by the bottom of the sleeve and the body, by channels made along the axis of the shank and in the radial direction. Sleeve with a conical portion and an annular groove on the inner surface cooperates with its end face with an annular element of the stopper fixed to the pyro-chamber by means of a threaded connection.

EFFECT: high reliability of receiving.

1 cl, 3 dwg