CN2038167U

CN2038167U - Elastic lock ring type full metal hexagon lock nut

Info

Publication number: CN2038167U
Application number: CN 88218557
Authority: CN
Inventors: 曹武基
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-11-07
Filing date: 1988-11-07
Publication date: 1989-05-24

Abstract

The utility model discloses an elastic lock ring type full metal hexagon lock nut, relating to the fastener of the mechanical engineering. The utility model mainly comprises a nut body and an elastic lock ring. The elastic lock ring is used to be embedded into the groove of the nut body, so one axial end of the nut is narrowed to be locked on a screw rod. The utility model has the advantages of simple structure, convenient operation and high reliability. The elastic lock ring type full metal hexagon lock nut is suitable for the anti-looseness connections of various mechanical engineering.

Description

Elastic lock ring type full metal hexagon lock nut

The utility model relates to the fastening piece in the mechanical engineering.

At present, the locking way of locking that is threaded in fastening of China mainly is: 1. double nut is pieced together tightly locking; 2. it is locking to add spring washer; 3. it is locking to add cotter pin; 4. locking with locked spacer; 5. the polyphone steel wire is locking; 6. the nylon inserts is locking or the like, wherein first method is owing to increase a nut, both waste materials, need increase spiro rod length again, the locking fruit of second method is poor, the third method need be holed on screw rod and be added opening Xiao, the 4th kind of method need groove milling on screw rod, assembling needs during pad crimp, the 5th kind of method need holes and go here and there steel wire on nut, and the 6th kind of method is then owing to responsive to temperature, be restricted and use, more than all locking anti-loose methods, all make the complicated or waste metallic material of processing and assembling, or reliability is low.

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art and a kind of hexagonal metal locking nut is provided.

Working principle of the present utility model is: the end axial direction on the nut body is milled with narrow groove, garden Zhou Fangxiang car is fluted, one end spring lock ring jaggy places in its groove, under the elastic force locking of spring lock ring, this end on the nut body inwardly shrinks, less than screw rod, when screw rod screws in nut body, the end less than screw rod in the nut body is swollen, at this moment, the screw thread of nut body cooperates closely with screw flight, when screw rod, nut bear radially, axially wait when shaking the spring lock ring absorbing vibration, and pin screw rod eventually, reach locking purpose.

Below in conjunction with accompanying drawing to the utility model further instruction:

Accompanying drawing 1 is the utility model plan view;

Accompanying drawing 2 is the utility model plan view;

Accompanying drawing 3 is the plan view of spring lock ring (3).

See accompanying drawing 1,2,3, the end axial direction on the nut body (2) is milled with narrow groove, and garden Zhou Fangxiang car is fluted.Spring lock ring (3) has a breach, and in the groove of insert nut body (2), screw rod (1) is threaded with nut body (2).

The utlity model has simple in structurely, easy to use, the advantage that reliability is high is suitable for the locking connection in all kinds of mechanical engineerings.

Claims

1, the round full-metallic hexagonal of snap lock locking nut, comprise screw rod [1], nut body [2], spring lock ring [3], screw rod [1] is threaded with nut body [2], it is characterized in that the end axial direction on the nut body [2] is milled with narrow groove, garden Zhou Fangxiang car is fluted, and the interior spring lock ring [3] of groove that is embedded in nut body [2] has a breach.