A tennis ball training device

Abstract

A tennis training ball device, comprising a middle plate rotating shaft in the middle of the base, a No. 1 crankshaft hole on the rear side of the middle plate rotating shaft, a No. 1 eccentric shaft on the upper part of the No. 1 crankshaft, a No. 1 rotating shaft on the lower part of the No. 1 crankshaft, and a No. There is a bottom plate rotation hole, the rear side of the bottom plate rotation hole has a No. 1 connecting rod shaft, the upper part of the middle plate has a No. 2 crankshaft frame, the No. 2 crankshaft frame has a No. 2 crankshaft hole, and the front of the No. 2 crankshaft frame has an upper plate frame, the upper plate The upper part of the frame has an upper plate hole, the bottom plate rotating hole rotates to connect with the middle plate rotating shaft, the bottom plate rotating hole rotates around the middle plate rotating shaft, the lower part of the No. The upper part is fixedly connected to the No. 2 gear, the No. 1 motor is fixed to the base, the output shaft of the base is fixedly connected to the No. 1 gear, the No. 1 gear and the No. 2 gear are meshed with each other, and the rear side of the No. 1 connecting rod is connected to the No. 1 eccentric shaft.

Description

technical field [0001] The invention relates to the field of sports equipment, in particular to a ball training device for tennis. Background technique [0002] In the tennis training process, two people are required to carry out the training at the same time, and one person cannot complete the training, which is often restricted, and is limited by the physical strength and ability of the server, so a satisfactory training effect cannot be achieved. There is a lack of a training device that can simulate the player's serve. Contents of the invention [0003] The present invention aims at the above-mentioned deficiencies in the prior art, and provides a fully automatic, all-round and full-coverage tennis training and serving device for simulating players. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A ball training device for tennis, including base, No. 1 motor, No. 1 crankshaft, No. 1 connecting rod, middle...

AI Technical Summary

Problems solved by technology

[0002] In the process of tennis training, two people are needed at the same time, and one person cannot complete the training, which is often restricted, and is limited by the physical strength and ability of the server, and cannot achieve satisfactory training results. There is a lack of a training device that can simulate a player's serve

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