| abstract |
The utility model is related to a kind of safe barbells, groove described in the inner surface of first iron plate is embedded in the outboard end of the rib, in the embedded adjacent made groove of iron plate inner surface of the made protrusion of outer surface of first iron plate, the made groove of inner surface of the last one iron plate is embedded in the adjacent made protrusion of iron plate outer surface, in the made locating slot of inner surface of the end cap of the embedded metal rod ends suit of the made protrusion of outer surface of the last one iron plate, the protrusion of adjacent two iron plate between first iron plate and the last one iron plate is embedded in adjacent groove, the fixing bolt installed on end cap is engaged on the chimb outer surface after passing through all iron plates.In the utility model, each respective outer side edges enable iron plate accurately to position, the problem of being not in shaking, rotation, and are not in the major accident that comes off of iron plate, effect and safety when ensure that trained caused by jackscrew loosens in the prior art. |