WO2020207496A1 - 一种网球下球机构及其网球发球机 - Google Patents

一种网球下球机构及其网球发球机 Download PDF

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Publication number
WO2020207496A1
WO2020207496A1 PCT/CN2020/084476 CN2020084476W WO2020207496A1 WO 2020207496 A1 WO2020207496 A1 WO 2020207496A1 CN 2020084476 W CN2020084476 W CN 2020084476W WO 2020207496 A1 WO2020207496 A1 WO 2020207496A1
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channel
tennis ball
tennis
turntable
ball
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PCT/CN2020/084476
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English (en)
French (fr)
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王天雷
梁荷
张人丰
傅蓉
张京玲
陈江源
谢超健
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五邑大学
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Publication of WO2020207496A1 publication Critical patent/WO2020207496A1/zh

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/38—Training appliances or apparatus for special sports for tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/40—Stationarily-arranged devices for projecting balls or other bodies

Definitions

  • the invention relates to the field of tennis serving equipment, in particular to a tennis ball dropping mechanism and a tennis ball serving machine.
  • the internal structure of the existing tennis ball serving equipment is basically the same.
  • the pneumatic tennis training machine with the publication number CN104288982A
  • the air motor is set on the axis of the reserve plate, and the rotation of the reserve plate is controlled by starting the motor, thereby placing the reserve plate in
  • the tennis balls fall into the launching channel one by one, but this type of structure has the problem of difficulty in installation. It requires the rotation mechanism, the coupling and the output shaft of the motor to be combined in the same straight line, and in order to ensure the balance of rotation, it needs to be fine
  • the installation of the adjusting shaft body on the other hand, the motor must have a fixed installation position under this structure.
  • the connection of the motor and the rotating mechanism must be in a certain order, which brings certain troubles to the disassembly and assembly.
  • the purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a tennis ball dropping mechanism and a tennis ball machine, which is very convenient to assemble.
  • a tennis ball lowering mechanism a tennis bag, a multi-channel turntable, a lower ball channel and at least two driving mechanisms for driving the multi-channel turntable to rotate
  • the driving mechanism including a transmission Wheel
  • the outlet of the tennis bag is connected to the entrance of the multi-channel turntable
  • the outlet of the multi-channel turntable is connected to the lower ball channel
  • the drive mechanism is arranged on the side of the multi-channel turntable
  • the transmission wheel The side surface of the multi-channel turntable drives the multi-channel turntable to rotate.
  • the above-mentioned tennis ball lowering mechanism has at least the following beneficial effects: the drive mechanism is arranged on the side of the multi-channel turntable to bring convenience to installation and maintenance, and avoids the trouble of fine-tuning the shaft under the condition of traditional coaxial installation. On the one hand, using a plurality of the driving mechanisms to drive the multi-channel turntable from the side can ensure the stability of the multi-channel turntable.
  • the tennis bag includes a bowl-shaped ball preparation part and a mounting part for docking with the multi-channel turntable, and the mounting part is arranged on the ball preparation part. Bottom and load the multi-channel turntable.
  • the shape of the reserve part is suitable for loading a larger number of tennis balls, and the installation of the multi-channel turntable in the mounting part is beneficial to reduce the volume of the tennis ball lowering mechanism and also provides a structure for the installation of the driving mechanism basis.
  • the mounting part includes a fixing member for fixing the driving mechanism and an opening for passing through the transmission wheel, and the fixing member is along the mounting part.
  • the outer surface of the mounting portion extends outward, and the opening penetrates the outer surface of the mounting portion.
  • the fixing member fixes the electric part of the driving mechanism, and the opening is used to allow the transmission wheel to pass through the mounting portion to contact the multi-channel turntable. This structure is easier to disassemble during installation and maintenance. Installed.
  • the fixing member is provided with a screw hole for fixing the driving mechanism and a through hole for passing through the output shaft of the driving mechanism.
  • the screw hole is used to fix the electric part of the driving mechanism, such as a motor, and the through hole is used to pass through the output shaft, so the fixing part is equivalent to dividing the transmission wheel and the electric part to ensure the moving parts Security.
  • the tennis ball dropping mechanism further includes a cross bar for stirring the tennis ball, the cross bar is arranged in the reserve part and arranged along the radial direction of the reserve part, the The shortest distance between the crossbar and the multi-channel turntable is smaller than the diameter of a tennis ball.
  • the function of the crossbar is to effectively agitate the tennis balls in the reserve part, ensure that the tennis balls can fall into the multi-channel turntable one by one, and reduce the occurrence of ball jams.
  • the lower ball passage and the multi-channel turntable are connected by a rotating shaft, and the radius of the lower ball passage is greater than or equal to the radius of the passage of the multi-channel turntable the same.
  • the radius of the lower ball channel is larger, which makes it easier for the tennis ball to fall.
  • the driving mechanism is a motor
  • the transmission wheel is a friction wheel
  • the transmission wheel is arranged on the output shaft of the driving mechanism and presses against the The side of the multi-channel turntable.
  • a tennis ball machine including any one of the above-mentioned tennis ball dropping mechanisms.
  • Figure 1 is a schematic side view of the structure of a tennis ball dropping mechanism according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an exploded three-dimensional structure of a tennis ball driving mechanism according to an embodiment of the present invention
  • Fig. 3 is a schematic diagram of a three-dimensional structure of a tennis ball setting mechanism according to an embodiment of the present invention.
  • an embodiment of the present invention relates to a tennis ball lowering mechanism, including a tennis bag 100, a multi-channel turntable 200, a lower ball channel 300, and two driving mechanisms for driving the multi-channel turntable 200 to rotate 400
  • the drive mechanism 400 includes a drive wheel 410, the drive wheel 410 is a friction wheel, the drive mechanism 400 is a motor, the drive wheel 410 is arranged on the output shaft of the drive mechanism 400, the tennis bag
  • the outlet of 100 is docked with the inlet of the multi-channel turntable 200, the outlet of the multi-channel turntable 200 is docked with the lower ball channel 300, the two driving mechanisms 400 are respectively arranged on the side of the multi-channel turntable 200, and two The driving mechanism 400 and the center of the multi-channel turntable 200 are on the same straight line, and the transmission wheel 410 drives the multi-channel turntable 200 to rotate from the side of the multi-channel turntable 200.
  • the friction wheel drives the multi-channel turntable 200 to rotate from the side, and adopts a structure with balanced arrangement on both sides, which is different from the traditional driving mechanism 400 that is arranged in a multi-channel
  • the structure under the turntable 200, the structure of this embodiment brings convenience to installation and maintenance.
  • the form of the transmission wheel 410 is not only a friction wheel, but also a gear, etc. If a gear is used, gear teeth are provided on the side of the multi-channel turntable 200 to mesh with the gear; on the other hand, because The tennis ball-driving mechanism may require different response speeds for different occasions. Therefore, the number of channels of the multi-channel turntable 200 is not limited. The number of channels can be designed according to actual product requirements.
  • the multi-channel turntable 200 The number of channels is four; although the number and installation method of the driving mechanism 400 are limited in this embodiment, the number of the driving mechanism 400 can be more in terms of its function of ensuring rotation balance. It can be arranged around the multi-channel turntable 200, and its installation methods are diversified, which will not be detailed here.
  • the tennis bag 100 includes a bowl-shaped ball reserve part 110 and a mounting part 120 for docking with the multi-channel turntable 200, and the mounting part 120 is arranged below the ball reserve part 110
  • the mounting portion 120 includes a fixing member 121 for fixing the driving mechanism 400 and an opening 122 for passing through the transmission wheel 410
  • the fixing member 121 extends along the The outer surface of the mounting portion 120 extends outward, and the opening 122 penetrates the outer surface of the mounting portion 120.
  • the fixing member 121 is provided with a screw hole for fixing the driving mechanism 400 and a through hole for passing through the output shaft of the driving mechanism 400.
  • the shape of the mounting portion 120 is circular. Of course, it can also be of other shapes in practical applications. It is only necessary that the transmission wheel 410 at the opening 122 can contact the multi-channel turntable 200. If a square is used, the four sides of the square are tangent to the multi-channel turntable 200, and the opening 122 is set at the tangent point.
  • the cross bar 500 is arranged in the reserve ball part 110 and runs along the reserve ball With the radial arrangement of the portion 110, the shortest distance between the cross bar 500 and the multi-channel turntable 200 is smaller than the diameter of a tennis ball. Generally speaking, only gravity makes the tennis ball fall accurately into the multi-channel turntable 200 and it is prone to jamming. Therefore, a cross bar 500 is introduced to agitate the tennis ball. The cross bar 500 and the mounting portion 120 are fixed together.
  • the multi-channel turntable 200 rotates under the cross bar 500, which is equivalent to that the tennis ball in the tennis bag 100 is stirred by the cross bar 500, so it can be ensured that the tennis ball will not get stuck in the channel opening.
  • the cross bar 500 is close to the multi-channel The surface of the turntable 200.
  • the lower ball channel 300 and the multi-channel turntable 200 are connected by a rotating shaft, and the radius of the lower ball channel 300 is greater than or equal to the radius of the channel of the multi-channel turntable 200.
  • a channel of the multi-channel turntable 200 is turned to the lower ball channel 300, a channel for the tennis ball to fall is formed, generally speaking. It is necessary for the lower ball passage 300 and the passage in the multi-channel turntable 200 to completely overlap to make the tennis ball fall. In this embodiment, by increasing the radius of the lower ball passage 300, the tennis ball can be dropped more easily.
  • an embodiment of the present invention relates to a tennis ball machine, which includes any one of the above-mentioned tennis ball dropping mechanisms.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Toys (AREA)

Abstract

本发明公开了一种网球下球机构及其网球发球机，包括网球兜、多通道转盘、下球通道和至少两个用于驱动所述多通道转盘转动的驱动机构，所述驱动机构包括传动轮，所述网球兜的出口对接所述多通道转盘的入口，所述多通道转盘的出口对接所述下球通道，所述驱动机构设置在所述多通道转盘的侧面，所述传动轮从所述多通道转盘的侧面带动所述多通道转盘转动，在所述多通道转盘侧面设置所述驱动机构为安装和维护带来方便，避免了采用传统的同轴安装情况下细调轴体的麻烦，另一方面，采用多个所述驱动机构从侧面驱动所述多通道转盘可以保证所述多通道转盘的平稳性。

Description

一种网球下球机构及其网球发球机 技术领域
本发明涉及网球发球设备领域，特别涉及一种网球下球机构及其网球发球机。
背景技术
随着人类生活水平的提高，网球运动也越来越受到人们的喜爱。在网球训练中，通常需要两个人以上才能配合进行练习，但是有部分情况下是只有一个人，这时候则需要使用网球发球设备辅助练习。
现有的网球发球设备的内部结构基本相同，如公布号为CN104288982A的气压式网球训练机，气动马达设置在备球盘的轴线上，通过启动马达控制备球盘旋转，从而将备球盘中的网球一个个落入到发射通道，但是这类型的结构存在安装困难的问题，它需要转动机构、联轴器与马达的输出轴三者处于同一直线上结合，并且为了保证转动平衡，需要细调轴体的安装，另一方面，这种结构下马达要有一个固定安装位置，要解决自重问题，电机与转动机构的连接要按照一定的次序，给拆装带来了一定的麻烦。
发明内容
本发明的目的在于至少解决现有技术中存在的技术问题之一，提供一种网球下球机构及其网球发球机，装配非常方便。
根据本发明的第一方面，提供了一种网球下球机构，网球兜、多通道转盘、下球通道和至少两个用于驱动所述多通道转盘转动的驱动机构，所述驱动机构包括传动轮，所述网球兜的出口对接所述多通道转盘的入口，所述多通道转盘的出口对接所述下球通道，所述驱动机构设置在所述多通道转盘的侧面，所述传动轮从所述多通道转盘的侧面带动所述多通道转盘转动。
上述网球下球机构至少具有以下有益效果：在所述多通道转盘侧面设置所述驱动机构为安装和维护带来方便，避免了采用传统的同轴安装情况下细调轴体的 麻烦，另一方面，采用多个所述驱动机构从侧面驱动所述多通道转盘可以保证所述多通道转盘的平稳性。
根据本发明第一方面所述的网球下球机构，所述网球兜包括碗状的备球部和用于对接所述多通道转盘的安装部，所述安装部设置在所述备球部的下方并装入所述多通道转盘。所述备球部的形状适于装入数量更多的网球，所述安装部内装入所述多通道转盘有利于减小网球下球机构的体积，也为所述驱动机构的安装提供了结构基础。
根据本发明第一方面所述的网球下球机构，所述安装部包括用于固定所述驱动机构的固定件和用于穿过所述传动轮的开口，所述固定件沿所述安装部的外侧面向外延伸，所述开口贯穿所述安装部的外侧面。所述固定件固定所述驱动机构的电动部分，所述开口用于使所述传动轮穿过所述安装部从而接触到所述多通道转盘，这种结构在安装和维护过程中更容易拆装。
根据本发明第一方面所述的网球下球机构，所述固定件上设置有用于固定所述驱动机构的螺钉孔和用于穿过所述驱动机构的输出轴的通孔。所述螺钉孔用于固定所述驱动机构的电动部分，如电机，所述通孔用于穿过输出轴，因此所述固定件相当于将所述传动轮和电动部分划分开，保证动作部件的安全性。
根据本发明第一方面所述的网球下球机构，还包括用于搅动网球的横杆，所述横杆设置在所述备球部中并沿所述备球部的径向设置，所述横杆与所述多通道转盘之间的最短距离小于一个网球的直径。所述横杆的作用在于能够有效搅动所述备球部中的网球，保证网球能够一个一个地落入所述多通道转盘，减小卡球现象的发生。
根据本发明第一方面所述的网球下球机构，所述下球通道与所述多通道转盘之间通过转轴连接，所述下球通道的半径大于或等于所述多通道转盘的通道的半径相同。当所述多通道转盘内的其中一个通道转到所述下球通道时，所述下球通道的半径更大，更容易使网球下落。
根据本发明第一方面所述的网球下球机构，所述驱动机构为电机，所述传动 轮为摩擦轮，所述传动轮设置在所述驱动机构的输出轴上并与抵压在所述多通道转盘的侧面。采用常用的电机和摩擦轮便于在维护时找到替代部件，而且使得所述驱动机构在结构上比较简单，故障几率更小。
根据本发明的第二方面，提供一种网球发球机，包括有上述任一所述网球下球机构。
附图说明
下面结合附图和实施例对本发明进一步地说明；
图1为本发明实施例的网球下球机构的侧视结构示意图；
图2为本发明实施例的网球下球机构的分解立体结构示意图；
图3为本发明实施例的网球下球机构的立体结构示意图。
具体实施方式
本部分将详细描述本发明的具体实施例，本发明之较佳实施例在附图中示出，附图的作用在于用图形补充说明书文字部分的描述，使人能够直观地、形象地理解本发明的每个技术特征和整体技术方案，但其不能理解为对本发明保护范围的限制。
在本发明的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
本发明的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在 本发明中的具体含义。
参照图1和图2，本发明一个实施例涉及一种网球下球机构，包括网球兜100、多通道转盘200、下球通道300和两个用于驱动所述多通道转盘200转动的驱动机构400，所述驱动机构400包括传动轮410，所述传动轮410为摩擦轮，所述驱动机构400为电机，所述传动轮410设置在所述驱动机构400的输出轴上，所述网球兜100的出口对接所述多通道转盘200的入口，所述多通道转盘200的出口对接所述下球通道300，两个所述驱动机构400分别设置在所述多通道转盘200的侧面，且两个所述驱动机构400与所述多通道转盘200的圆心处于同一直线上，所述传动轮410从所述多通道转盘200的侧面带动所述多通道转盘200转动。
在本实施例中，参照图2和图3，摩擦轮从侧面摩擦带动所述多通道转盘200转动，并且采用了两侧平衡设置的结构，区别于传统的那种驱动机构400设置在多通道转盘200下方的结构，本实施例的结构给安装和维护带来方便。需要说明的是，所述传动轮410的形式不单是摩擦轮，还可以用齿轮等方式，如果采用齿轮，则所述多通道转盘200的侧面相应设置轮齿与齿轮啮合；另一方面，由于网球下球机构针对不同场合可能需要不同的响应速度，因此所述多通道转盘200的通道数并没有限定，根据实际产品需要可以自行设计通道数，在本实施例中，所述多通道转盘200的通道数为四个；所述驱动机构400的数量和安装方式虽然在本实施例中做出了限定，但是从其保证转动平衡性的功能出发，所述驱动机构400的数量可以更多，可以围绕所述多通道转盘200设置，其安装方式具有多样化，在此不一一详述。
在其中一些实施例中，所述网球兜100包括碗状的备球部110和用于对接所述多通道转盘200的安装部120，所述安装部120设置在所述备球部110的下方并装入所述多通道转盘200，所述安装部120包括用于固定所述驱动机构400的固定件121和用于穿过所述传动轮410的开口122，所述固定件121沿所述安装部120的外侧面向外延伸，所述开口122贯穿所述安装部120的外侧面。所述固定件121上设置有用于固定所述驱动机构400的螺钉孔和用于穿过所述驱动机构 400的输出轴的通孔。
在本实施例中所述安装部120的形状为圆形，当然在实际应用中也可以是其他形状，只需要在所述开口122处传动轮410能够与所述多通道转盘200相接触即可，如采用正方形，正方形的四条边与多通道转盘200相切，所述开口122则设在相切点的位置。
参照图2和图3，基于上述实施例中的备球部110和安装部120的机构，在一些实施例中，所述横杆500设置在所述备球部110中并沿所述备球部110的径向设置，所述横杆500与所述多通道转盘200之间的最短距离小于一个网球的直径。通常来说，仅靠重力让网球准确落入所述多通道转盘200中容易发生卡球现象，因此引入一条横杆500对网球进行搅动，横杆500与所述安装部120固定在一起，而所述多通道转盘200在横杆500的下方转动，相当于网球兜100中的网球被横杆500搅动，因此能够保证网球不会卡在通道口，优选地，横杆500贴近所述多通道转盘200的表面。
在其中一些实施例中，所述下球通道300与所述多通道转盘200之间通过转轴连接，所述下球通道300的半径大于或等于所述多通道转盘200的通道的半径。当多通道转盘200中某一通道转到所述下球通道300上时，构成了一个使网球落下的管道，通常来说。需要下球通道300和多通道转盘200中的通道完全重合才能够使网球落下，本实施例通过增大所述下球通道300的半径，可以使网球更加容易落下。
第二方面，本发明一个实施例涉及一种网球发球机，包括有上述任一一种网球下球机构。
上面结合附图对本发明实施例作了详细说明，但是本发明不限于上述实施例，在所述技术领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下作出各种变化。

Claims (8)

  1. 一种网球下球机构，其特征在于：包括网球兜、多通道转盘、下球通道和至少两个用于驱动所述多通道转盘转动的驱动机构，所述驱动机构包括传动轮，所述网球兜的出口对接所述多通道转盘的入口，所述多通道转盘的出口对接所述下球通道，所述驱动机构设置在所述多通道转盘的侧面，所述传动轮从所述多通道转盘的侧面带动所述多通道转盘转动。
  2. 根据权利要求1所述的网球下球机构，其特征在于：所述网球兜包括碗状的备球部和用于对接所述多通道转盘的安装部，所述安装部设置在所述备球部的下方并装入所述多通道转盘。
  3. 根据权利要求2所述的网球下球机构，其特征在于：所述安装部包括用于固定所述驱动机构的固定件和用于穿过所述传动轮的开口，所述固定件沿所述安装部的外侧面向外延伸，所述开口贯穿所述安装部的外侧面。
  4. 根据权利要求3所述的网球下球机构，其特征在于：所述固定件上设置有用于固定所述驱动机构的螺钉孔和用于穿过所述驱动机构的输出轴的通孔。
  5. 根据权利要求2所述的网球下球机构，其特征在于：还包括用于搅动网球的横杆，所述横杆设置在所述备球部中并沿所述备球部的径向设置，所述横杆与所述多通道转盘之间的最短距离小于一个网球的直径。
  6. 根据权利要求1所述的网球下球机构，其特征在于：所述下球通道与所述多通道转盘之间通过转轴连接，所述下球通道的半径大于或等于所述多通道转盘的通道的半径。
  7. 根据权利要求1-6任一所述的网球下球机构，其特征在于：所述驱动机构为电机，所述传动轮为摩擦轮，所述传动轮设置在所述驱动机构的输出轴上并与抵压在所述多通道转盘的侧面。
  8. 一种网球发球机，其特征在于：包括有如权利要求1-7任一所述网球下 球机构。
PCT/CN2020/084476 2019-04-12 2020-04-13 一种网球下球机构及其网球发球机 WO2020207496A1 (zh)

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