阅读说明：本技术 一种双用调节式网球发球训练的辅助装置 (Auxiliary device for tennis serving training with double-purpose adjusting function ) 是由 陈祖松 于 2019-09-27 设计创作，主要内容包括：本发明涉及网球训练辅助装置技术领域,且公开了一种双用调节式网球发球训练的辅助装置,包括底座,所述活动支撑板的左端连接有固定壳,固定壳的内部连接有发射装置,发射装置的左端内部设置有网球,发射装置的左端内部连接有充气装置,充气装置的内部均开设有气腔,充气装置的内部设置有气阀,发射装置的右端连接有控制装置,发射装置的左上端与球箱的左端固定连接有输球管。通过控制装置控制充气装置中不同气腔内的气体压强,当网球受到的合力方向与整体充气装置不在同一条直线时,网球将发生旋转,这一结构达到发射装置发射旋转网球的目的,从而解决了现有网球训练辅助装置发射网球单一的问题。(the invention relates to the technical field of tennis training auxiliary devices, and discloses a dual-purpose adjusting type tennis serving training auxiliary device which comprises a base, wherein the left end of a movable supporting plate is connected with a fixed shell, a transmitting device is connected inside the fixed shell, a tennis ball is arranged inside the left end of the transmitting device, an inflating device is connected inside the left end of the transmitting device, air cavities are formed inside the inflating device, an air valve is arranged inside the inflating device, the right end of the transmitting device is connected with a control device, and the left upper end of the transmitting device and the left end of a ball box are fixedly connected with a ball conveying pipe. The control device is used for controlling the air pressure in different air cavities in the air charging device, when the resultant force direction of the tennis ball is not in the same straight line with the whole air charging device, the tennis ball rotates, and the structure achieves the purpose that the launching device launches the rotating tennis ball, so that the problem that the existing tennis training auxiliary device launches the tennis ball only is solved.)

1. The utility model provides an auxiliary device of training is served to regulation formula tennis, includes base (1), its characterized in that: the tennis ball shooting device is characterized in that an air pump (2) is fixedly connected to the upper portion of the right end of a base (1), a support rod (3) is fixedly connected to the middle portion of the upper end of the base (1), a rotary column (301) is fixedly connected to the middle portion of the support rod (3), a ball box (4) is fixedly connected to the upper end of the support rod (3), a first driving device (5) is fixedly connected to the middle portion of the support rod (3) and the upper right portion of the rotary column (301), a first rotating shaft (501) is rotatably connected to the lower end of the first driving device (5), a complete gear (6) is fixedly connected to the lower end of the first rotating shaft (501), a movable support plate (7) is rotatably connected to the middle portion of the support rod (3) and the outer side of the rotary column (301), a fixed shell (8) is rotatably connected to the left end of the movable support plate (7), a launching, the tennis ball launching device comprises an air inflation device (11) which is fixedly connected to the inner portion of the left end of a launching device (9) and on the right side of a tennis ball (10), an air cavity (1101) is formed in the air inflation device (11), air valves (1102) are arranged in the air inflation device (11) and on the left side and the right side of the air cavity (1101), a control device (12) is fixedly connected to the right end of the launching device (9), a hose (13) is fixedly connected between the control device (12) and an air pump (2), the upper left end of the launching device (9) and the left end of a ball box (4) are fixedly connected with a ball conveying pipe (14), a fixing plate (15) is fixedly connected to the rear side of a movable supporting plate (7), a second driving device (16) is fixedly connected to the upper end of the fixing plate (15), and a second.

2. The dual use adjustable tennis serving training aid of claim 1, wherein: the lower end of the ball box (4) is in an inclined shape.

3. The dual use adjustable tennis serving training aid of claim 1, wherein: the right end of the movable supporting plate (7) is provided with teeth which are adaptive to the complete gear (6).

4. The dual use adjustable tennis serving training aid of claim 1, wherein: the right end of the movable supporting plate (7) is provided with a hole matched with the rotating column (301), and the movable supporting plate and the rotating column are in clearance fit.

5. The dual use adjustable tennis serving training aid of claim 1, wherein: the left end of the movable supporting plate (7) is provided with a groove matched with the fixed shell (8).

6. The dual use adjustable tennis serving training aid of claim 1, wherein: the left end of the inflating device (11) is provided with a curved surface which is adaptive to the cambered surface of the tennis ball (10).

7. The dual use adjustable tennis serving training aid of claim 1, wherein: the air chambers (11) are uniformly distributed in the inflating device (11).

8. The dual use adjustable tennis serving training aid of claim 1, wherein: the hose (13) and the ball conveying pipe (14) are both elastic pipes.

9. The dual use adjustable tennis serving training aid of claim 1, wherein: the right end of the movable supporting plate (7) is provided with a through hole matched with the second rotating shaft (1601).

Technical Field

The invention relates to the technical field of tennis training auxiliary devices, in particular to a double-purpose adjustable auxiliary device for tennis serving training.

Background

Tennis is a type of ball game that is commonly played between two single players or two pairs of players who hit a tennis ball with a tennis racket across the net on a tennis court with the goal of preventing the opponent from regularly hitting back the ball. Tennis is an Olympic game and now populates the world, called the world's second-hit ball game. The tennis training robot can enhance the interest of tennis body-building and entertainment, can improve the speciality of tennis training and needs double training, and has high exercise intensity, so the requirement on the training partner is higher, and advanced tennis training equipment is necessary for the training partner to quickly improve the skill of the tennis training.

The present tennis service robot is when service, generally hit tennis through electromagnetism, spring, rim plate extrusion and piston extrusion's mode and hit away, and the service mode of this kind of hitting mode is too single, leads to tennis motion's route single, can not satisfy the training of the player who has certain experience to complicated rotatory ball, through the launch mode of extrusion tennis, causes the damage to tennis easily, we have provided a double-purpose regulation formula tennis service training's auxiliary device for solving this problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the dual-purpose adjustable auxiliary device for tennis service training, which has the advantages of no damage to tennis balls and capability of launching straight balls and rotating balls, and solves the problems that the existing auxiliary device for tennis training is easy to damage tennis balls and single in tennis ball launching.

(II) technical scheme

In order to achieve the purpose that tennis balls are not damaged and straight balls and rotary balls can be launched, the invention provides the following technical scheme: a double-purpose adjustable auxiliary device for tennis service training comprises a base, wherein an air pump is fixedly connected to the upper portion of the right end of the base, a supporting rod is fixedly connected to the middle portion of the upper end of the base, a rotary column is fixedly connected to the middle portion of the supporting rod, a ball box is fixedly connected to the upper end of the supporting rod, a first driving device is fixedly connected to the middle portion of the supporting rod and the upper right portion of the rotary column, a first rotating shaft is rotatably connected to the lower end of the first driving device, a complete gear is fixedly connected to the lower end of the first rotating shaft, a movable supporting plate is rotatably connected to the middle portion of the supporting rod and the outer side of the rotary column, a fixed shell is rotatably connected to the left end of the movable supporting plate, a launching device is fixedly connected to the inner portion of the fixed shell, a tennis ball is arranged in the left end, the inside of aerating device and all be provided with the pneumatic valve in the left and right sides of air cavity, emitter's right-hand member fixedly connected with controlling means, fixedly connected with hose between controlling means and the air pump, emitter's upper left end and the left end fixedly connected with ball conveying pipe of ball case, the rear side fixedly connected with fixed plate of movable support plate, the upper end fixedly connected with second drive arrangement of fixed plate, second drive arrangement's front end fixedly connected with second pivot.

Preferably, the lower end of the ball box is inclined so that the tennis balls are gathered in a fixed area by gravity, thereby ensuring continuous transportation of the tennis balls under the transportation of a single transportation mechanism.

preferably, the right end of the movable supporting plate is provided with teeth which are adaptive to the complete gear, so that the stability between the movable supporting plate and the complete gear is ensured.

Preferably, the right end of the movable supporting plate is provided with a hole matched with the rotating column, and the connecting relationship between the holes is clearance fit, so that the movable supporting plate is ensured to rotate around the supporting rod.

Preferably, the left end of the movable supporting plate is provided with a groove matched with the fixed shell, so that the fixed shell is not hindered in the movable supporting plate.

Preferably, the left end of the inflation device is provided with a curved surface adapted to the tennis cambered surface, so that the stress surface of the inflation device on the tennis thrust is ensured, and the gas is further prevented from being mixed together.

Preferably, the air cavities are uniformly distributed in the inflating device, and the tennis ball can be stressed unevenly and rotated according to the resultant force principle of force, so that the tennis ball is ensured to be rotated and shot.

Preferably, the hose and the ball conveying pipe are elastic pipes, so that the hose and the ball conveying pipe cannot be dragged to the launching device when the launching device moves.

Preferably, the right end of the movable supporting plate is provided with a through hole matched with the second rotating shaft, so that the second driving device is ensured to drive the fixed shell through the second rotating shaft.

(III) advantageous effects

Compared with the prior art, the invention provides a dual-purpose adjustable auxiliary device for tennis serve training, which has the following beneficial effects:

1. According to the dual-purpose adjustable auxiliary device for tennis service training, the control device controls the air pressure in different air cavities in the air charging device, when the resultant force direction of tennis balls and the whole air charging device are not in the same straight line, the tennis balls rotate, and the structure achieves the purpose that the launching device launches rotating tennis balls, so that the problem that the existing auxiliary device for tennis training is single in launching the tennis balls is solved.

2. This auxiliary device of training is served to regulation formula tennis, drive first pivot through first drive arrangement and rotate, first pivot drives complete gear revolve, complete gear drives its rotation about with the meshing of movable support board right-hand member, simultaneously, drive the rotation of second pivot through second drive arrangement, the second pivot drives set casing and emitter displacement on the line, this structure has reached emitter's removal of upper and lower, left and right direction, thereby the control of emitter's direction has been guaranteed.

3. According to the auxiliary device for tennis serving training with the dual-purpose adjustable function, the curved surface matched with the tennis cambered surface is formed at the left end of the air charging device, so that the thrust impact surfaces of the air charging device to tennis balls are tightly attached together, the air charging device is prevented from spraying air from the air cavity and mixing together, and the reduction of impact strength of the sprayed air to the tennis balls is further avoided.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a top cross-sectional view of the movable support plate of the present invention;

FIG. 3 is a cross-sectional view of the front structure of the transmitting device of the present invention;

3 fig. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 of 3 the 3 structure 3 of 3 fig. 3 3 3 taken 3 along 3 line 3 a 3- 3 a 3 according 3 to 3 the 3 present 3 invention 3. 3

In the figure: the tennis ball launching device comprises a base 1, an air pump 2, a supporting rod 3, a rotary column 301, a ball box 4, a first driving device 5, a first rotating shaft 501, a complete gear 6, a movable supporting plate 7, a fixed shell 8, a launching device 9, tennis balls 10, an air charging device 11, an air cavity 1101, an air valve 1102, a control device 12, a hose 13, a ball conveying pipe 14, a fixed plate 15, a second driving device 16 and a second rotating shaft 1601.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a dual-purpose adjustable auxiliary device for tennis service training comprises a base 1, an air pump 2 is fixedly connected to the upper portion of the right end of the base 1, a support rod 3 is fixedly connected to the middle portion of the upper end of the base 1, a rotary column 301 is fixedly connected to the middle portion of the support rod 3, a ball box 4 is fixedly connected to the upper end of the support rod 3, a first driving device 5 is fixedly connected to the middle portion of the support rod 3 and above the right side of the rotary column 301, a first rotary shaft 501 is rotatably connected to the lower end of the first driving device 5, a complete gear 6 is fixedly connected to the lower end of the first rotary shaft 501, a movable support plate 7 is rotatably connected to the middle portion of the support rod 3 and outside the rotary column 301, a hole corresponding to the rotary column 301 is formed at the right end of the movable support plate 7, and the connection relationship between the holes is clearance fit, so that the movable support plate 7 can, thereby ensuring stability between the movable support plate 7 and the complete gear 6. The left end of the movable supporting plate 7 is rotatably connected with a fixed shell 8, and a groove matched with the fixed shell 8 is formed in the left end of the movable supporting plate 7, so that the fixed shell 8 is not hindered in the movable supporting plate 7.

The launching device 9 is fixedly connected inside the fixed shell 8, the tennis ball 10 is arranged inside the left end of the launching device 9, and the lower end of the ball box 4 is in an inclined shape, so that the tennis balls 10 are gathered in a certain fixed area by gravity, and are continuously conveyed under the conveying of a single conveying mechanism. An air charging device 11 is fixedly connected to the left end of the launching device 9 and the right side of the tennis ball 10, air cavities 1101 are formed in the air charging device 11, air valves 1102 are arranged in the air charging device 11 and on the left side and the right side of the air cavities 1101, a curved surface matched with the cambered surface of the tennis ball 10 is formed in the left end of the air charging device 11, accordingly, the stressed surface of the air charging device 11 for pushing force of the tennis ball 10 is guaranteed, air is further prevented from being mixed together, the air cavities 11 are uniformly distributed in the air charging device 11, the tennis ball 10 can be stressed unevenly and can rotate according to the force resultant principle, and therefore the tennis ball 10 is guaranteed to become a rotary shooting ball. The right end fixedly connected with controlling means 12 of emitter 9, fixedly connected with hose 13 between controlling means 12 and the air pump 2, the upper left end of emitter 9 and the left end fixedly connected with ball conveying pipe 14 of ball case 4, hose 13 and ball conveying pipe 14 are the elastic tube to guarantee that emitter 9 can not drag emitter 9 with ball conveying pipe 14 when removing. The rear side fixedly connected with fixed plate 15 of activity backup pad 7, the upper end fixedly connected with second drive arrangement 16 of fixed plate 15, the front end fixedly connected with second pivot 1601 of second drive arrangement 16, the through-hole that suits with second pivot 1601 is seted up to the right-hand member of activity backup pad 7 to guarantee that second drive arrangement 16 passes through second pivot 1601 drive set casing 8.

The working principle is as follows: this auxiliary device of formula tennis service training is adjusted to double-purpose, at work, according to the demand of training, through the gas pressure in different air cavities 1101 in controlling means 12 control aerating device 11, according to the synthetic principle of power: the resultant force is called the resultant force of the original force system, and any force in the original force system is called the component force of the resultant force, when the resultant force direction of the tennis ball 10 and the integral inflating device 11 are not in the same straight line, the tennis ball 10 will rotate, the structure achieves the purpose of launching the rotating tennis ball 10 by the launching device 9, thereby solving the problem that the existing tennis training auxiliary device launches the tennis ball 10 singly. Drive first pivot 501 through first drive arrangement 5 and rotate, first pivot 501 drives complete gear revolve, complete gear 6 drives its rotation about with the meshing of activity backup pad 7 right-hand member, simultaneously, drive second pivot 1601 through second drive arrangement 16 and rotate, second pivot 1601 drives line shift on set casing 8 and the emitter 9, this structure has reached the removal of emitter 9's upper and lower, left and right direction to the control of emitter 9's direction has been guaranteed. The left end of the inflating device 11 is provided with a curved surface adapted to the cambered surface of the tennis ball 10, so that thrust impact surfaces of the inflating device 11 to the tennis ball 10 are tightly attached together, the inflating device 11 is prevented from spraying gas from the gas cavity 1101 and mixing together, and the impact strength of the sprayed gas to the tennis ball 10 is further prevented from being reduced.

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.