Patent ID: 8397594

Claim:
A connecting assembly, applicable to a feed drive mechanism having a lead screw nut and a screw nut seat, the connecting assembly comprising: a main body, having a connecting plate and an inner sleeve, wherein the connecting plate has a first side surface and a second side surface opposite to each other, the first side surface and the second side surface are respectively fixed on the lead screw nut and the screw nut seat, the inner sleeve is connected to the second side surface, and a channel surrounds an outer side surface of the inner sleeve, wherein the connecting plate further comprises: a first portion, fixed on the screw nut seat; a second portion, connected to the first portion in a radial direction, and fixed on the lead screw nut; and a plurality of elastic slots, located between the first portion and the second portion, and axially penetrating the connecting plate to allow for the second portion to deform in the radial direction, wherein the neighboring elastic slots respectively have laminating segments; and an outer sleeve, sleeved on the outer side surface of the inner sleeve, wherein the outer sleeve enables the channel to be formed into a sealed space, and has an inlet and an outlet respectively communicating with the channel.