Dual-purpose adjustable type tennis ball serve training auxiliary device

Abstract

The invention relates to the technical field of sports auxiliary equipment, and discloses a dual-purpose adjustable type tennis ball serve training auxiliary device. The dual-purpose adjustable type tennis ball serve training auxiliary device includes a tennis ball conveying tube, and the interior of the tennis ball conveying tube is provided with two empty slots; a first arc disk and a second arcdisc rotate, so that a large number of tennis balls are fed at a time, placement in sequence is not needed, and the tennis balls automatically and intermittently fall, and sufficient time is providedfor recovering of training and launching devices by the user after the tennis balls are launched; when the training manner needs to be adjusted, a rotating torsion is rotated, the offset direction ofa flow limiting block is changed, and the tennis balls fall into corresponding launch ports; meanwhile, a first rotating rod is driven to rotate, a pull rod on the outer side of the first rotating rod moves up and down, the rotation condition of second gears of the left and right sides is better controlled, and next operation is facilitated; and a third rotating rod is rotated to change the happening angle of a second outlet pipe, so that the effect of changing of the launch angle is achieved, a trainer can combine directional training and reversal training, and the tennis ball technology iseffectively improved.

Description

technical field [0001] The invention relates to the technical field of sports auxiliary equipment, in particular to a dual-purpose adjustable auxiliary device for tennis serve training. Background technique [0002] Tennis is a popular sport and one of the world's major ball games. It plays a key role in improving people's self-cultivation and improving people's overall quality. It can relieve people's nervous system. Now it is not only in the form of competitions Appeared, but also sought after by the public, in tennis, serving is the most basic requirement, people currently have the following problems in tennis training: [0003] When trainers are training, they are usually practiced by coaches or sparring personnel. However, due to the limitation of the number of coaches or sparring staff and the training time, the trainers cannot gain anything when training privately. Now there are some tennis serve training Auxiliary equipment can assist players in training, but the te...

AI Technical Summary

Problems solved by technology

[0003] When trainers are training, they are usually practiced by coaches or sparring personnel. However, due to the limitation of the number of coaches or sparring staff and the training time, the trainers cannot gain anything when training privately. Now there are some tennis serve training Auxiliary equipment can assist players in training, but the tennis ball has a single launch angle, and the height and angle of launch cannot be adjusted, so that the training content of the trainer is single, and the posture of hitting the tennis ball is fixed. In actual combat, it is impossible to target tennis balls with different launch angles. Make a proper posture in time to hit, or in the process of hitting, the trainer is injured due to wrong posture

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