A tennis ball training device

A ball-serving device and tennis ball technology, applied in the field of sports equipment, can solve problems such as lack of training devices, inability to complete training, physical strength and ability limitations of the server, and achieve the effect of improving rotation accuracy

Active Publication Date: 2022-04-19
HARBIN INST OF PHYSICAL EDUCATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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  • A tennis ball training device
  • A tennis ball training device
  • A tennis ball training device

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Embodiment Construction

[0042] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0043] A tennis ball training device, comprising a base 100, a No. 1 motor 110, a No. 1 crankshaft 120, a No. 1 connecting rod 130, a middle plate 200, a No. 2 crankshaft 210, a No. 2 motor 230, an upper plate 300, a No. 3 crankshaft 320, Cam 330, No. 3 connecting rod 340, slide block 350, guide rod 360, block 370, firing rod 380, balance spring 390, return spring 391, indexing plate 400, material receiving tray 410, hopper 420, the base 100 There is a middle plate rotating shaft 101 in the middle, the rear side of the middle plate rotating shaft 101 has a No. 1 crankshaft hole 102, the upper part of the No. There is a No. 1 connecting rod shaft 206 on the rear side of the bottom plate rotation hole 205, a No. 2 crankshaft frame 201 is provided on the upper part of the middle plate 200, a No. 2 crankshaft hole 202 is provided on the No. 2 crankshaft frame ...

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PUM

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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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63B69/38A63B69/40
CPCA63B69/38A63B69/40
Inventor 宋时佳汪楠
Owner HARBIN INST OF PHYSICAL EDUCATION
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