Single wheel type tennis ball pitching machine
A single-wheel, ball-serving machine technology, applied in the direction of sports accessories, can solve the problems of unfavorable popularization, complex structure, high cost, etc., and achieve the effect of flexible and convenient use, small size and low cost
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- Publication Date
- 2011-04-13
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The present invention relates to a kind of sports equipment, especially a kind of ball machine for assisting tennis practice, in particular, it is a single-wheel type tennis ball machine which only uses one driving wheel to realize friction serve. Background technique
[0002] As everyone knows, a tennis ball machine is a device that launches tennis balls with a mechanical device for people to practice. The use of the tennis ball machine is convenient for one person to practice tennis. It can replace the coach to feed the ball, and liberate the coach or teacher from the monotonous and boring ball feeding. At the same time, the tennis ball machine can also guarantee the speed, direction and landing point of the ball, which can be selected and set according to the needs. These are of great significance to tennis practice and technical improvement. Along with the development popularization of tennis, tennis ball machine is more and more subject to peop...
Examples
Embodiment Construction
[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Such as Figure 1-5 shown.
[0026] A kind of single-wheel type tennis ball machine, it mainly consists of ball-down device 1 (such as figure 2 , 3 ), serving device 2 (such as Figure 4 ) and drive controller 3 (as Figure 5 ), they are installed on the rack 9, such as figure 1 As shown, in order to adapt to practice under the condition of no city power supply, a lithium power supply can also be installed on the frame 9 as a backup power supply during specific implementation, and the ball device 1 and the service device 2 are electrically connected with the drive controller 3. Serving device 2 wherein is a single-wheel type serving device, such as Figure 4 As shown, it mainly consists of motor 11, single-friction flywheel 12 and raceway 13, raceway 13 and single-friction flywheel 12 are installed on the frame 9, and rubbing ball passage ...