Lock nut
OwnerChunlin YEinventor
Life of this patent
Estimating the term…
Abstract
A lock nut includes: a first nut having a tapered cavity; and a second nut including a base portion and a tapered lug boss arranged the base portion. The tapered lug boss can be coupled inside the tapered cavity. The first and second nuts are used in pair by self-locking. A straight slot is formed in the lug boss. Under the locking action of the first nut, the straight slot is deformed to further lock a bolt, or is discontinuously engaged with teeth of the bolt to increase an effective stress surface and locking performance of the second nut for locking the bolt. A convex reinforcing rib extends on a first surface of the first nut. An annular groove is formed in a second surface of the second nut. The convex reinforcing rib is coupled with the annular groove to enhance the strength and reliability of locking.
Claims5
A lock nut, comprising:
- a first nut (1) having a tapered cavity (11);
- and
- a second nut (2) comprising a base portion (21) and a tapered lug boss (22) arranged on the base portion (21), wherein the tapered lug boss (22) is capable of being coupled inside the tapered cavity (11);
- the first nut (1) and the second nut (2) are used in pair by self-locking;
- a straight slot (23) is formed in the lug boss (22);
- under the locking action of the first nut (1), the straight slot (23) is deformed to further lock a bolt, or is discontinuously engaged with teeth of the bolt to increase an effective stress surface and locking performance of the second nut (2) for locking the bolt;
- a convex reinforcing rib (13) extends on a first surface (12), facing the second nut (2), of the first nut (1);
- an annular groove (25) is formed in a second surface (24), facing the first nut (1), of the second nut (2);
- and the convex reinforcing rib (13) is coupled with the annular groove (25) to enhance the strength and reliability of locking.
Dependencies are inferred from the claim text.