Automatic pitching machine for table tennis teaching

Abstract

The utility model relates to the technical field of sports equipment, and discloses an automatic pitching machine for table tennis teaching, which comprises a fixing plate, a fixing column is arranged at the top of the fixing plate, a fixing assembly with one end extending to the bottom of the fixing plate is arranged at the top of the fixing plate, and a height adjusting assembly is arranged on the right side wall of the fixing column. An angle adjusting assembly is arranged on the right side wall of the height adjusting assembly, a ball frame is arranged outside the angle adjusting assembly, and a round frame is arranged at the bottom of the ball frame. According to the automatic pitching machine for table tennis teaching, by arranging the fixing assembly, during installation, a table tennis table plate is arranged between the fixing plate and the clamping plate, at the moment, the threaded shaft is rotated to drive the clamping plate to move upwards, and under the cooperation of the fixing plate and the clamping plate, the automatic pitching machine can be fixed to the table tennis table; multiple sets of bolts and nuts are not needed for fixing, fixing is convenient, the practicability of the device is improved, and workers can use the device conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to sports equipment technical field, concretely is a ping -pong ball teaching is with automatic ball machine. BACKGROUND

[0002] Ping -pong ball is a world popular ball sports event, also be called China's "national ball", ping -pong ball has become the ball sports that domestic men and women like old and young, and ping -pong ball ball machine has become an important training tool in ping -pong ball training, and the user does not need special person accompanying training.

[0003] At present, the traditional ping -pong ball teaching is with automatic ball machine more adopts multiple sets of bolts and nut and is fixed on ping -pong table, and installation is more time -consuming and laborious, and the existing ping -pong ball teaching is with automatic ball machine when angle is adjusted is not convenient, can not quickly adjust angle, therefore a ping -pong ball teaching is with automatic ball machine to solve the technical problem of above -mentioned to be proposed. UTILITY MODEL CONTENT

[0004] (I) the technical problem solved

[0005] In view of the deficiency of prior art, the utility model provides a ping -pong ball teaching is with automatic ball machine, has the advantages such as being convenient for the installation of automatic ball machine, can quickly adjust angle, solves the technical problem of the current traditional ping -pong ball teaching is with automatic ball machine more adopts multiple sets of bolts and nut and is fixed on ping -pong table, and installation is more time -consuming and laborious, and the existing ping -pong ball teaching is with automatic ball machine when angle is adjusted is not convenient, can not quickly adjust angle.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned convenient installation of automatic ball machine, the utility model provides the following technical scheme to quickly adjust angle: a ping -pong ball teaching is with automatic ball machine, including fixed plate, the top of fixed plate is provided with fixed column, the top of fixed plate is provided with the fixed assembly extending to its bottom, the right side wall of fixed column is provided with height adjustment assembly, the right side wall of height adjustment assembly is provided with angle adjustment assembly, the outside of angle adjustment assembly is provided with ball frame, the bottom of ball frame is provided with round frame, the inner bottom wall of ball frame is provided with the lower discharge pipe with one end and the inner top wall of round frame are communicated, the inner wall rear side of round frame is provided with the distribution wheel, the inner bottom wall of round frame is provided with the blanking tube with one end extending to its bottom, the outside of blanking tube is provided with launch tube, the inner top wall of blanking tube and launch tube is connected, the inner wall of launch tube is provided with the screen with one end and the left side of blanking tube, the bottom of launch tube is provided with high pressure fan, the gas outlet of high pressure fan is provided with the gas conveying pipe with one end and the left side of launch tube inner wall are communicated,

[0008] The fixed assembly comprises a threaded shaft, the top of the fixed plate is provided with the threaded shaft extending to the bottom of the fixed plate, the bottom of the threaded shaft is provided with a clamping plate, and the top of the clamping plate and the bottom of the fixed plate are provided with a compression spring sleeved outside the threaded shaft;

[0009] The height adjusting assembly comprises a positioning block, the right side wall of the fixed column is provided with two positioning blocks symmetrically distributed above and below, the bottom of the upper positioning block is provided with a first threaded rod extending to the bottom of the lower positioning block, and the outer portion of the first threaded rod is provided with a threaded block connected with the right side wall of the fixed column.

[0010] The angle adjusting assembly comprises a mounting plate, the right side wall of the threaded block is provided with the mounting plate, the ball frame is arranged on the right side wall of the mounting plate, the bottom of the ball frame is provided with a rectangular plate, the left side wall of the rectangular plate is provided with a sliding block, and the left side wall of the mounting plate is provided with a second threaded rod extending to the right side thereof and hinged to the left side wall of the sliding block.

[0011] Preferably, the rear side wall of the circular frame is fixedly connected with a driving motor, and the output shaft of the driving motor is fixedly connected with the rear side wall of the distributing wheel.

[0012] Preferably, the top, the bottom and the left and right sides of the distributing wheel are all provided with grooves matched with table tennis balls.

[0013] Preferably, the left side wall of the rectangular plate is provided with a sliding groove matched with the moving track of the sliding block.

[0014] Preferably, the top of the threaded shaft, the bottom of the first threaded rod and the left side wall of the second threaded rod are all fixedly connected with circular rotating discs.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the automatic ball launching machine for table tennis teaching has the following beneficial effects:

[0017] 1. The automatic ball launching machine for table tennis teaching is provided with a fixed assembly, when installing, the table tennis table plate is arranged between the fixed plate and the clamping plate, at this time, the threaded shaft is rotated to drive the clamping plate to move upwards, and the automatic ball launching machine can be fixed on the table tennis table under the cooperation of the fixed plate and the clamping plate, without the need of using multiple bolts and nuts for fixing, so that the fixing is more convenient, and the practicability of the device is improved.

[0018] 2. The automatic ball launching machine for table tennis teaching is provided with an angle adjusting assembly, the second threaded rod is rotated to drive the sliding block to move, the ball frame is deflected around the mounting plate under the cooperation of the sliding block and the rectangular plate, the launching angle of the launching pipe is adjusted, and the purpose of quickly adjusting the angle is achieved, and the practicability of the device is further improved. Attached Figure Description

[0019] Figure 1 This is a frontal sectional view of the present invention;

[0020] Figure 2 This utility model Figure 1 Schematic diagram at point A in the middle.

[0021] In the diagram: 1. Fixing plate; 2. Fixing column; 3. Fixing assembly; 31. Threaded shaft; 32. Clamping plate; 33. Compression spring; 4. Height adjustment assembly; 41. Positioning block; 42. First threaded rod; 43. Threaded block; 5. Angle adjustment assembly; 51. Mounting plate; 52. Rectangular plate; 53. Slider; 54. Second threaded rod; 6. Ball frame; 7. Round frame; 8. Feeding pipe; 9. Dropping pipe; 10. Launching pipe; 11. Mesh plate; 12. High-pressure blower; 13. Air delivery pipe; 14. Distributing wheel. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-2 An automatic ball-serving machine for teaching table tennis includes a fixed plate 1, a fixed post 2 fixedly connected to the top of the fixed plate 1, a fixed component 3 movably connected to the top of the fixed plate 1 with one end extending to its bottom, the fixed component 3 including a threaded shaft 31, the top of the fixed plate 1 threadedly connected to the threaded shaft 31 with one end extending to its bottom, the bottom of the threaded shaft 31 rotatably connected to a clamping plate 32, and a compression spring 33 fixedly connected between the top of the clamping plate 32 and the bottom of the fixed plate 1, sleeved on the outside of the threaded shaft 31.

[0024] The right side wall of the fixed column 2 is movably connected to a height adjustment component 4. The height adjustment component 4 includes a positioning block 41. The right side wall of the fixed column 2 is fixedly connected to two positioning blocks 41 that are symmetrically distributed vertically. The bottom of the upper positioning block 41 is rotatably connected to a first threaded rod 42 that extends to the bottom of the lower positioning block 41. The external thread of the first threaded rod 42 is connected to a threaded block 43. The threaded block 43 is slidably connected to the right side wall of the fixed column 2.

[0025] The right side wall of the height adjusting assembly 4 is fixedly connected with an angle adjusting assembly 5, the outer part of the angle adjusting assembly 5 is movably connected with a ball frame 6, the angle adjusting assembly 5 comprises a mounting plate 51, the right side wall of the mounting plate 51 is fixedly connected with the right side wall of the threaded block 43, the ball frame 6 is hingedly connected to the right side wall of the mounting plate 51, the bottom of the ball frame 6 is fixedly connected with a rectangular plate 52, the left side wall of the rectangular plate 52 is slidably connected with a sliding block 53, the left side wall of the rectangular plate 52 is provided with a sliding groove matched with the moving track of the sliding block 53, the left side wall of the mounting plate 51 is threadedly connected with a second threaded rod 54, one end of the second threaded rod 54 extends to the right side of the mounting plate 51 and is hingedly connected with the left side wall of the sliding block 53, the top of the threaded shaft 31, the bottom of the first threaded rod 42 and the left side wall of the second threaded rod 54 are all fixedly connected with a circular rotating disc.

[0026] The bottom of the ball frame 6 is fixedly connected with a circular frame 7, the inner bottom wall of the ball frame 6 is communicated with a feeding pipe 8 with one end communicated with the inner top wall of the circular frame 7, the inner wall of the rear side of the circular frame 7 is rotatably connected with a distributing wheel 14, the rear side wall of the circular frame 7 is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with the rear side wall of the distributing wheel 14, the top and bottom and left and right sides of the distributing wheel 14 are all provided with grooves matched with table tennis balls, the inner bottom wall of the circular frame 7 is communicated with a discharging pipe 9 with one end extending to the bottom of the circular frame 7, the outer part of the discharging pipe 9 is fixedly connected with a launching pipe 10, the discharging pipe 9 and the launching pipe 10 are communicated with each other, the inner wall of the launching pipe 10 is fixedly connected with a mesh plate 11 located on the left side of the discharging pipe 9, the bottom of the launching pipe 10 is fixedly connected with a high-pressure fan 12, the gas outlet end of the high-pressure fan 12 is fixedly connected with a gas conveying pipe 13 communicated with the left side of the inner wall of the launching pipe 10.

[0027] In use, the table tennis balls are poured into the inner part of the ball frame 6, the table tennis balls fall into the inner part of the circular frame 7 along the feeding pipe 8, the table tennis balls are guided into the discharging pipe 9 through the grooves on the outer part of the distributing wheel 14, and then fall into the inner part of the launching pipe 10, at this time, the high-pressure fan 12 is started to blow the table tennis balls out.

[0028] It is worth noting that the high-pressure fan 12 and the driving motor appearing in the present application are all conventional known devices, and the high-pressure fan 12 and the driving motor are both externally connected with driving power sources and control switches, the standard parts used in the present application can be purchased from the market, the specific connection modes of the parts are all connected by using conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and devices are all conventional types in the prior art, and the circuit connection is connected by using conventional connection modes in the prior art, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art, and will not be described in detail here.

[0029] In summary, the table tennis teaching automatic ball launching machine, through the setting of the fixed assembly 3, when installing, the table tennis table plate is placed between the fixed plate 1 and the clamping plate 32, at this time, the threaded shaft 31 is rotated to drive the clamping plate 32 to move upwards, under the cooperation of the fixed plate 1 and the clamping plate 32, the automatic ball launching machine can be fixed on the table tennis table, without using multiple groups of bolts and nuts for fixing, the fixing is more convenient, the practicability of the device is improved, through the setting of the angle adjusting assembly 5, the second threaded rod 54 is rotated to drive the sliding block 53 to move, under the cooperation of the sliding block 53 and the rectangular plate 52, the ball frame 6 is deflected around the mounting plate 51, the launching angle of the launching pipe 10 is adjusted, and the purpose of quickly adjusting the angle is realized, the practicability of the device is further improved, and the problems that the current traditional table tennis teaching automatic ball launching machine is fixed on the table tennis table by multiple groups of bolts and nuts, the installation is time-consuming and laborious, and the existing table tennis teaching automatic ball launching machine is not convenient when adjusting the angle and cannot quickly adjust the angle are solved.

[0030] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, no element discussed herein is required unless specifically recited in a claim.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A table tennis teaching automatic ball feeder comprising a fixed plate (1), characterized in that: The top of the fixed plate (1) is provided with a fixed column (2), the top of the fixed plate (1) is provided with a fixed assembly (3) extending to the bottom thereof, the right side wall of the fixed column (2) is provided with a height adjusting assembly (4), the right side wall of the height adjusting assembly (4) is provided with an angle adjusting assembly (5), the outside of the angle adjusting assembly (5) is provided with a ball frame (6), the bottom of the ball frame (6) is provided with a round frame (7), the inner bottom wall of the ball frame (6) is provided with a blanking pipe (8) with one end communicating with the inner top wall of the round frame (7), the rear inner wall of the round frame (7) is provided with a distributing wheel (14), the inner bottom wall of the round frame (7) is provided with a blanking pipe (9) extending to the bottom thereof, the outside of the blanking pipe (9) is provided with a launching pipe (10), the inner top wall of the blanking pipe (9) and the launching pipe (10) is connected, the inner wall of the launching pipe (10) is provided with a screen (11) located at the left side of the blanking pipe (9), the bottom of the launching pipe (10) is provided with a high-pressure fan (12), the gas outlet end of the high-pressure fan (12) is provided with a gas conveying pipe (13) communicating with the left side of the inner wall of the launching pipe (10). The fixed assembly (3) comprises a threaded shaft (31), the top of the fixed plate (1) is provided with a threaded shaft (31) extending to the bottom thereof, the bottom of the threaded shaft (31) is provided with a clamping plate (32), the top of the clamping plate (32) and the bottom of the fixed plate (1) are provided with a compression spring (33) sleeved on the outside of the threaded shaft (31). The height adjusting assembly (4) comprises a positioning block (41), the right side wall of the fixed column (2) is provided with two positioning blocks (41) symmetrically distributed above and below, the bottom of the upper positioning block (41) is provided with a first threaded rod (42) extending to the bottom of the lower positioning block (41), the outside of the first threaded rod (42) is provided with a threaded block (43), and the threaded block (43) is connected with the right side wall of the fixed column (2). The angle adjusting assembly (5) comprises a mounting plate (51), the right side wall of the threaded block (43) is provided with a mounting plate (51), the ball frame (6) is arranged on the right side wall of the mounting plate (51), the bottom of the ball frame (6) is provided with a rectangular plate (52), the left side wall of the rectangular plate (52) is provided with a sliding block (53), and the left side wall of the mounting plate (51) is provided with a second threaded rod (54) extending to the right side thereof and hinged with the left side wall of the sliding block (53).

2. The automatic ball serving machine for table tennis teaching according to claim 1, characterized in that: The rear side wall of the round frame (7) is fixedly connected with a driving motor, and the output shaft of the driving motor is fixedly connected with the rear side wall of the distributing wheel (14).

3. The automatic ball serving machine for table tennis teaching according to claim 1, characterized in that: The top and bottom and left and right sides of the distributing wheel (14) are all provided with recesses matched with table tennis balls.

4. The automatic ball serving machine for table tennis teaching according to claim 1, characterized in that: The left side wall of the rectangular plate (52) is provided with a sliding groove matched with the moving track of the sliding block (53).

5. The automatic ball serving machine for table tennis teaching according to claim 4, characterized in that: The top of the threaded shaft (31), the bottom of the first threaded rod (42) and the left side wall of the second threaded rod (54) are all fixedly connected with circular rotating discs.

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