Sleeve joint type tennis pitching machine ball rotating disc structure

Abstract

The utility model discloses a cup joint type tennis pitching machine ball rotating disc structure which comprises a speed reduction rotating mechanism, a ball rotating disc is arranged above the speed reduction rotating mechanism, a cup joint piece is fixedly installed at the center position of the lower surface of the ball rotating disc, a cup joint hole is formed in the cup joint piece, and the speed reduction rotating mechanism comprises a speed reduction motor and a speed reduction gear box. According to the rotating ball disc and shaft body connecting device, the rotating ball disc and the shaft body can be connected in a direct pressing and sleeving mode, an additional third structure is not needed for fixed connection, the structure is simple and practical, and the rotating ball disc and shaft body connecting device is suitable for popularization and application. The cost can be effectively reduced by reducing connecting parts, the use performance is good, and the rotating ball disc can be conveniently disassembled while the tight connectivity is ensured by adopting a pressing and sleeving mode, so that the rotating ball disc has the use effects of quick installation and quick disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of tennis ball serving machines, in particular to a sleeve-type tennis ball serving machine rotating disc structure. Background Art

[0002] A tennis ball machine is a device designed specifically for tennis training. Its primary function is to automatically launch tennis balls, assisting both enthusiasts and professionals with various training exercises. The machine uses a series of mechanical transmission mechanisms to transport the balls to the launch position, and a motor drives the serving drum to rotate and launch the balls. Users can adjust the speed, angle, and frequency of the serve via a control panel to meet different training needs.

[0003] A tennis ball serving machine requires a rotating ball disc structure during its manufacture and use. The rotating ball disc structure is driven by a motor to rotate to achieve the purpose of rotating and launching the ball. However, the rotating ball disc of traditional tennis ball serving machines is mostly fixedly connected to the output shaft of the motor using a flange sleeve. This method of using a third structure for fixed connection is not convenient for installing and removing the rotating ball disc, and is therefore not convenient for regular disassembly and maintenance, which reduces the convenience of use of the structure. Utility Model Content

[0004] The purpose of the utility model is to provide a sleeve-type tennis ball machine rotating disc structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a socket-type tennis ball machine rotating disc structure, comprising a deceleration rotation mechanism, a rotating disc is arranged above the deceleration rotation mechanism, a socket part is fixedly installed at the center position of the lower surface of the rotating disc, a socket hole is opened in the socket part, the deceleration rotation mechanism comprises a reduction motor and a reduction gear box, the output shaft of the reduction motor is fixedly connected to the input end of the reduction gear box, and the output end of the reduction gear box is rotatably connected to a rotating shaft.

[0006] Preferably, a horizontal surface is provided on an outer wall of one side of the rotating shaft.

[0007] Preferably, the sleeve hole and the rotating shaft are designed as an adaptive structure.

[0008] Preferably, the rotating ball disc is fixedly mounted on the rotating shaft via a sleeve.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] The utility model can complete the connection between the rotating ball disc and the shaft body by adopting a direct pressing sleeve method, without the need for an additional third structure for fixed connection. The structure is simple and practical, and the cost can be effectively reduced by reducing the number of connecting parts, and the performance is good.

[0011] The push-on connection method is adopted, which ensures tight connection while making it easy to disassemble the rotating ball disc. When disassembling, you only need to pull out the rotating ball disc, so that the rotating ball disc has the effect of quick installation and quick disassembly. The installation and disassembly work is more convenient and convenient, which is convenient for regular tea break maintenance. The structure is more convenient to use, and the overall structure is simple, the manufacturing and maintenance costs are low, and it is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural diagram of the connection state of the rotating ball disc and the deceleration rotation mechanism according to an embodiment of the utility model;

[0013] Figure 2 This is a structural diagram of the embodiment of the utility model in which the rotating ball disc and the deceleration rotation mechanism are separated;

[0014] Figure 3 This is a schematic structural diagram of the deceleration rotation mechanism according to an embodiment of the present utility model;

[0015] Figure 4 This is a schematic structural diagram of a rotating ball disc according to an embodiment of the present utility model.

[0016] In the figure: 1. deceleration rotation mechanism; 101. deceleration motor; 102. deceleration gearbox; 103. rotating shaft; 2. rotating ball plate; 3. socket part; 4. socket hole. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0020] See also Figure 1-4 The utility model provides an embodiment of a socket-type tennis ball machine rotating disc structure, comprising a deceleration rotation mechanism 1, a rotating disc 2 is arranged above the deceleration rotation mechanism 1, a socket member 3 is fixedly installed at the center position of the lower surface of the rotating disc 2, a socket hole 4 is opened in the socket member 3, the deceleration rotation mechanism 1 comprises a deceleration motor 101 and a deceleration gear box 102, the output shaft of the deceleration motor 101 is fixedly connected to the input end of the deceleration gear box 102, and the output end of the deceleration gear box 102 is rotatably connected to the rotating shaft 103, so that when the output shaft of the deceleration motor 101 rotates, its rotation effect will be reduced by the gear in the deceleration gear box 102, thereby driving the rotating shaft 103 to rotate;

[0021] The reduction gearbox 102 is a mature existing technology product, that is, the small gear drives the large gear to rotate to achieve the purpose of reducing rotation, and this specification will not elaborate on it in detail;

[0022] Specifically refer to the appendix of the manual Figure 3 As shown, the rotating shaft 103 is designed in an arc trapezoidal or square structure;

[0023] The sleeve hole 4 and the rotating shaft 103 are designed as an adaptive structure, and the rotating ball disc 2 is fixedly sleeved on the rotating shaft 103 through the sleeve member 3.

[0024] Working principle: The user can install the rotating ball disc structure assembly of the utility model in the working area of ​​the tennis ball machine through conventional methods, and operate it through the reduction motor 101. When the output shaft of the reduction motor 101 rotates, its rotation effect is reduced by the gears in the reduction gear box 102, thereby driving the rotating shaft 103 to rotate, and the rotation of the rotating shaft 103 can drive the rotating disc 2 to rotate synchronously, thereby ensuring the normal rotation of the rotating ball disc structure of the utility model;

[0025] The present invention provides a sleeve member 3 at the bottom end of the rotating ball disc 2. When installing the rotating ball disc 2, the sleeve member 3 can be sleeved on the rotating shaft 103 and pressed to slide the sleeve member 3 on the rotating shaft 103, thereby completing a tight sleeve connection between the rotating ball disc 2 and the motor drive shaft.

[0026] The utility model can complete the connection between the rotating ball disc 2 and the shaft body by adopting a direct pressing sleeve method, without using an additional third structure for fixed connection. The structure is simple and practical, and the cost can be effectively reduced by reducing the number of connecting parts, and the performance is good.

[0027] The press-fit connection method is adopted, and the rotating ball disc 2 can be easily disassembled while ensuring tight connection. When disassembling, it is only necessary to pull out the rotating ball disc 2, so that the rotating ball disc 2 has the effect of quick installation and quick disassembly, and the installation and disassembly work is more convenient and convenient, which is convenient for regular tea break maintenance. The structure is more convenient to use, and the overall structure is simple, the manufacturing and maintenance costs are low, and it is suitable for popularization and use.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A sleeve-type tennis ball machine rotating disc structure, comprising a deceleration rotation mechanism (1), characterized in that: A rotating ball disc (2) is provided above the deceleration rotation mechanism (1), a sleeve member (3) is fixedly mounted at the center of the lower surface of the rotating ball disc (2), and a sleeve hole (4) is provided in the sleeve member (3). The deceleration rotation mechanism (1) comprises a deceleration motor (101) and a deceleration gearbox (102), an output shaft of the deceleration motor (101) is fixedly connected to an input end of the deceleration gearbox (102), and the output end of the deceleration gearbox (102) is rotatably connected to a rotating shaft (103).

2. The telescopic tennis ball machine rotating disc structure according to claim 1, characterized in that: A horizontal surface is provided on one side outer wall of the rotating shaft (103).

3. The telescopic tennis ball machine rotating disc structure according to claim 1, characterized in that: The sleeve hole (4) and the rotating shaft (103) are designed as an adaptive structure, and the rotating ball disc (2) is fixedly sleeved on the rotating shaft (103) via the sleeve member (3).

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