Physical training javelin

Abstract

The invention provides a sports training javelin. The invention comprises a gun body, the two ends of the gun body are a ground pricking end and a protection end respectively, a metal hard sleeve is installed at the ground pricking end, and a first spring is connected between the metal hard sleeve and the ground pricking end; a first trigger rod is slidably arranged in the gun body, and the two ends of the first trigger rod are a first trigger end and a first acting end correspondingly. The invention further comprises a plurality of warning rods, the outer surfaces of the warning rods are coated with warning paint, the two ends of each warning rod are a hinged end and a limiting end respectively, the hinged ends are hinged to the gun body, torsional springs are arranged on hinged shafts ofthe warning rods, and limiting holes are formed in the limiting ends. The first acting end is provided with a triggering part, and the two ends of the triggering part are a third triggering end and athird acting end respectively. The probability that a picking athlete is stabbed can be reduced, and the exercise safety is improved.

Description

technical field [0001] The present invention relates to an appliance for physical training, in particular, to a javelin for physical training. Background technique [0002] Javelin throw is a compulsory track and field course for physical education majors. As a throwing event in track and field sports, the javelin is thrown by athletes after running up. [0003] Traditional javelin such as announcement number is a kind of fluorescent javelin of Chinese utility model patent CN202028141U, and its structure can refer to the accompanying manual. figure 1 , the structure includes the javelin body, the two ends of the javelin body gradually become smaller and form two sharp ends; the athlete holds the middle part of the javelin body, and the momentum is obtained by holding the javelin on the shoulder through a pre-run-up and throwing steps, and through the explosive final force Acting on the longitudinal axis of the javelin, throw the javelin over the shoulder until one end of t...

AI Technical Summary

Problems solved by technology

[0004] After the javelin throwing is completed, the javelin needs to be pulled out from the ground. At this time, because one end of the javelin body is stuck into the ground, the other end of the javelin body will form a certain angle with the ground. When there are more javelins, if some of the javelins are not noticed by the athlete picking up the javelin, then the tip of the part of the javelin that is not pierced into the ground will pierce the body of the athlete picking up the javelin, which is likely to cause personal injury

Images