CN202427121U - Training javelin capable of displaying dropping point - Google Patents

Abstract

The utility model provides a training javelin capable of displaying a dropping point. The training javelin capable of displaying the dropping point is composed of a javelin rod, a javelin head and lime powder and is characterized in that the javelin head (2) is installed at one end of the javelin rod (1), a small hole (3) is arranged on the javelin head, and the lime powder (4) is contained in the javelin head. The training javelin capable of displaying the dropping point overcomes the defect that a dropping point of the javelin is not obvious at present, does not need a judge to watch the javelin closely and has the advantages of being simple in structure, cheap, capable of displaying the dropping point correctly, suitable for training at schools and stadiums and the like.

Description

Javelin is used in the training that can show drop point

Technical field

The utility model relates to the sports goods field, a kind of more precisely training javelin that can show drop point.

Background technology

Throwing a javelin is in the contest physical culture; It is far away, recently deciding with lag line to javelin drop point by the rules of contest; Therefore, it is extremely important to see, be certain about the javelin drop point clearly, all is at present to rely on the referee to keep a close watch on flying to drop point of javelin with eyes; Plug mark, measure match or training achievement then.Because the javelin flying speed has danger soon, again, the referee can not lean on closely excessively, and conventional artificial is sought the javelin drop point to waste time and energy very much, and thought is in tension always, and a carelessness brings error for the measurement games results slightly, causes the loss that can't retrieve.

Summary of the invention

The purpose of the utility model is to address the above problem, provide a kind of simple in structure, inexpensive, do not need the referee to dig-in javelin, can correctly show the javelin of drop point.

The purpose of the utility model adopts following technical measures to realize: a kind ofly can show that the training of drop point uses javelin; Form by barral of a gun, rifle head, pulverized limestone; It is characterized in that: barral of a gun one end is equipped with the rifle head, is shaped on aperture on the rifle head, and pulverized limestone or talcum powder are housed in the rifle head.Its operation principle: shaken when head of javelin lands, the pulverized limestone in the head of javelin just releases from aperture, occurs white ringlet on the ground, and the referee just can clearly see.

Javelin is used in the training that can show drop point that the utility model provides, and its beneficial effect is: simple in structure, inexpensive, do not need the referee to dig-in javelin, can correctly show drop point, applicable to school, stadium training.

Description of drawings

Accompanying drawing is the structural representation of the utility model.

Below in conjunction with accompanying drawing the utility model is done further to set forth.

The specific embodiment

Referring to figure, barral of a gun 1 one ends are equipped with rifle head 2, are shaped on aperture 3 on the rifle head, and pulverized limestone 4 or talcum powder are housed in the rifle head.

Claims (2)

1. javelin is used in the training that can show drop point, is made up of barral of a gun, rifle head, pulverized limestone, it is characterized in that: barral of a gun (1) one end is equipped with rifle head (2), is shaped on aperture (3) on the rifle head, and pulverized limestone (4) is housed in the rifle head.

2. can show that by claim 1 is described the training of drop point uses javelin, it is characterized in that: the also available talcum powder of pulverized limestone (4) substitutes.

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