CN114177596B

CN114177596B - Football exercise device is used in sports teaching that can simulate football orbit

Info

Publication number: CN114177596B
Application number: CN202210027312.6A
Authority: CN
Inventors: 刘洋
Original assignee: Physical Education College of Zhengzhou University
Current assignee: Physical Education College of Zhengzhou University
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2023-01-24
Anticipated expiration: 2042-01-11
Also published as: CN114177596A

Abstract

The invention relates to the technical field of football sports teaching, in particular to a football training device for sports teaching, which can simulate football tracks, and comprises a base, wherein four self-locking universal wheels are installed at the bottom end of the base, a rotary groove is formed in the top end of the base, a rotary block is rotatably connected in the rotary groove, a first motor is installed at the bottom end of the base, the top end of an output shaft of the first motor extends into the rotary groove and is fixedly connected with the bottom end of the rotary block, a hollow groove is formed in the base, a first gear is arranged in the hollow groove and is sleeved outside an output shaft of the first motor, a first adjusting groove is formed in the right end of the hollow groove, a first convex groove is formed in the right end of the first adjusting groove, and a first convex block is slidably arranged in the first convex groove; it can avoid football card post conveying mechanism, avoids conveying mechanism to damage, and dynamics that can accurate control serve and the angle of serving are convenient for the sportsman and carry out corresponding exercise according to the self condition.

Description

Football exercise device is used in sports teaching that can simulate football orbit

Technical Field

The invention relates to the technical field of football sports teaching, in particular to a football training device capable of simulating football tracks for sports teaching.

Background

As is well known, football (Football) is one and uses the foot to give first place to, control and domination ball, and two teams carry out the sports items of attacking, defending the confrontation mutually on same block of rectangular place according to certain rule, and at the in-process of Football training, football exercise device is used in sports teaching through the simulation Football orbit launches the Football with different angles and dynamics to realize the purpose to the training of sportsman.

Through retrieval, chinese patent publication No. CN112704863A discloses a football training device for sports teaching capable of simulating football tracks, comprising a main body device, a ball serving device, a telescopic device, a power device and a control device, wherein the main body device is arranged on the ground, the ball serving device is arranged inside the main body device, the telescopic device is arranged inside the main body device, the power device is arranged on the inside of the main body device, and the control device is arranged on the inside of the main body device.

The prior art solution described above has the following disadvantages in use:

1. it can carry out the play ball of different dynamics through strong spring, the first telescopic link that sets up in the device of serving a ball, nevertheless it is not convenient for carry out accurate control to the dynamics of serving a ball, is not convenient for control the dynamics of serving a ball in the within range that the sportsman can bear.

2. After the baffle is opened, the inside football of main part device has sometimes two to roll to the inside of a service section of thick bamboo, and the football card is in the below of baffle sometimes, is not convenient for make the baffle return, leads to easily that control baffle pivoted control system damages, reduces the life-span of its use.

3. Its base rotates with the pivot to be connected, can adjust the angle of base, but it is not convenient for carry out the accuracy adjustment to its angle, is not convenient for with the scope control of service within sportsman's defensive range.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a football training device for sports teaching, which can simulate football tracks and solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can simulate football exercise device for sports teaching of football orbit, the on-line screen storage device comprises a base, four auto-lock universal wheels are installed to the bottom of base, the top of base is provided with the turn trough, the inside rotation of turn trough is connected with the commentaries on classics piece, first motor is installed to the bottom of base, the top of the output shaft of first motor extends to the inside of turn trough and with the bottom fixed connection of commentaries on classics piece, the inside of base is provided with the dead slot, the inside of dead slot is provided with first gear, first gear cover is established at the outside of the output shaft of first motor, the right-hand member of dead slot is provided with first protruding type groove, the inside slip of first protruding type groove is provided with first protruding type piece, the left end fixedly connected with fixed strip of fixed strip, the left end fixedly connected with the rack of fixed strip, the rack meshes with first gear, the rear end fixedly connected with first distance sensor of first adjustment groove, the top fixedly connected with box of commentaries on classics piece, the right-hand member of box is provided with the service mouth, the inside of box is provided with service mechanism, the bottom fixedly connected with the mechanism of serve, the top of mechanism of the upper side of the fixed strip of the hose is connected with the hose storage box and is connected with the hose frame of the hose storage mechanism, the hose is connected with the hose storage frame of the hose is connected with the hose storage mechanism.

Preferably, the serve mechanism includes the service tube, the bottom right side of service tube is connected with the bottom rotation of service hole through the pivot, the axis of pivot is located the bottom face of service tube, there is the push pedal in the inside left side of service tube through a plurality of first spring coupling, the left end fixedly connected with first electronic jar of service tube, the telescopic link of first electronic jar extends to the inside and fixedly connected with connecting seat of service tube, the inside of connecting seat is provided with T type groove, T type groove right-hand member upside and right-hand member downside all slide and be provided with the cassette, the relative one end of two cassettes all is provided with the recess, the inside fixedly connected with extension spring of two recesses, the left side of the relative one end of two cassettes all is provided with the hypotenuse, the left end fixedly connected with second electronic jar in T type groove, the right-hand member fixedly connected with trapezoidal piece of second electronic jar, the side of trapezoidal piece contacts with the hypotenuse of cassette, the left end of push pedal is provided with the spread groove, the bottom and the top of spread groove, the one end of two cassettes mutually opposite mutually extends to the outside of connecting seat, and two insert respectively to the inside of two draw-in grooves, the inside fixedly connected with the sensor that the right-hand member of service tube is located the fixed ring, the right-hand member of the fixed ring fixed ball-on the service tube is connected with the sensor.

Furthermore, the angle adjusting mechanism comprises a third electric cylinder and an arc-shaped transparent plate, the bottom end of the third electric cylinder is fixedly connected with the bottom end of the box body, the top end of the third electric cylinder is rotatably connected with the bottom end of the ball serving pipe, an arc-shaped groove is formed in the front end of the box body, the arc-shaped transparent plate is fixedly installed in the arc-shaped groove, angle scale marks are arranged at the front end of the arc-shaped transparent plate, and the arc of the arc-shaped transparent plate is located on the central axis of the rotating shaft.

Still further, ball conveying mechanism includes ball conveying pipe and second motor, ball conveying pipe's bottom and the inside intercommunication of service pipe, ball conveying pipe's left end intercommunication has the circle case, and the inside of circle case is connected with four kickboards through the transmission shaft rotation, the second motor is installed at the front end of circle case, the output of second motor and the front end fixed connection of transmission shaft.

As a further scheme of this scheme, deposit the ball frame including fixed pipe and football frame, fixed pipe fixed mounting is on the top of box, the inside circular slot that is provided with in top of fixed pipe, the inside rotation of circular slot is connected with the commentaries on classics pipe, the outside bottom side of circular slot is provided with the annular, the inside of annular is provided with the ring, the fixed outside of establishing at the commentaries on classics pipe of ring, the right-hand member of fixed pipe is provided with the logical groove with the annular intercommunication, the top fixedly connected with third motor of box, the output fixedly connected with second gear of third motor, the left end of second gear is located the inside that leads to the groove, the second gear meshes with the ring mutually, the equal fixedly connected with in top left side and the top right side of commentaries on classics pipe stirs the head, the bottom of football frame and the top fixed connection of fixed pipe.

As a further scheme of the scheme, a storage battery is installed at the bottom side inside the box body.

On the basis of the scheme, the left end of the fixing ring is fixedly connected with a rubber ring.

(III) advantageous effects

Compared with the prior art, the invention provides a football training device for sports teaching, which can simulate football tracks and has the following beneficial effects:

1. according to the invention, the connecting seat and the push plate are pulled to move downwards by the first electric cylinder, the distance between the left end face of the push plate and the left end face in the service pipe is detected by the second distance sensor, the compression amount of the first springs is measured, so that the force of football impact is accurately judged when the first springs are used for serving the football, the force for serving the football is conveniently and accurately adjusted, the detected data is transmitted to the controller by the second distance sensor, a player inputs the range of the force for serving the football, which can be born by the player, on the input unit on the controller, and the first electric cylinder is controlled by the controller, so that the force for transmitting the football is in a corresponding range, and the player can conveniently carry out corresponding exercises according to the condition of the player.

2. According to the football launching mechanism, the transmission shaft and the four pushing plates are driven by the second motor to rotate, a football rolls from the inside of the ball conveying pipe to the middle of the two pushing plates positioned in the ball conveying pipe, the football can be conveyed to the inside of the ball serving pipe one by one, so that a single football can be launched conveniently, the smoothness of conveying the football is ensured, the conveying mechanism is prevented from being damaged due to the fact that the football is clamped in the ball conveying pipe, and the service life of the football is ensured.

3. According to the invention, the rotating block and the box body are driven to rotate by the first motor, the angle of the box body is adjusted, a player can conveniently catch footballs launched to different directions, the output shaft of the first motor drives the first gear to rotate, the first gear drives the rack to move, the moving distance of the fixed strip and the rack is detected by the first distance sensor, the detected data is transmitted to the controller by the first distance sensor, the moving distance of the rack is the rotating distance of a certain point outside the first gear, the rotating angle of the first gear and the box body is judged by the perimeter of the first gear, the accurate angle in the horizontal direction of serving is convenient to adjust, the player can input a corresponding value in the angle range of the received footballs through the input unit on the controller, the first motor is controlled to correspondingly rotate by the controller, the serving angle is enabled to be within the set range, and the player can conveniently carry out corresponding exercises according to the condition of the player.

4. According to the invention, the third motor drives the second gear to rotate, the second gear drives the toothed ring and the rotating pipe to rotate, the rotating pipe drives the stirring head to rotate, and the stirring head rotates to stir the football in the football frame, so that a plurality of football is prevented from being clamped at the top of the fixed pipe.

5. According to the invention, the third electric cylinder pushes the service pipe to rotate, and the scale value of the bottom end face of the service pipe at the angle scale mark, namely the included angle between the service pipe and the vertical direction, is observed through the arc-shaped transparent plate, so that the angle of longitudinal service can be accurately controlled.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic top sectional view of the base of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2 at C;

fig. 7 is a schematic view of a part of an enlarged structure at D in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a self-locking universal wheel; 3. rotating the block; 4. a first motor; 5. a first gear; 6. a first male block; 7. a fixing strip; 8. a rack; 9. a first distance sensor; 10. a box body; 11. a controller; 12. a hose; 13. a bulb tube; 14. a first spring; 15. pushing the plate; 16. a first electric cylinder; 17. a connecting seat; 18. a card holder; 19. an extension spring; 20. a second electric cylinder; 21. a trapezoidal block; 22. a fixing ring; 23. hitting a ball block; 24. a rubber head; 25. a second distance sensor; 26. a third electric cylinder; 27. an arc-shaped transparent plate; 28. angle scale lines; 29. a ball conveying pipe; 30. a second motor; 31. a round box; 32. a push plate; 33. a drive shaft; 34. fixing the tube; 35. a football frame; 36. pipe rotation; 37. a toothed ring; 38. a third motor; 39. a second gear; 40. a stirring head; 41. a battery; 42. a rubber ring.

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.

Examples

Referring to fig. 1-7, a football training device for physical education teaching capable of simulating football tracks comprises a base 1, four self-locking universal wheels 2 are mounted at the bottom end of the base 1, a rotary groove is arranged at the top end of the base 1, a rotary block 3 is rotatably connected inside the rotary groove, a first motor 4 is mounted at the bottom end of the base 1, the top end of an output shaft of the first motor 4 extends into the rotary groove and is fixedly connected with the bottom end of the rotary block 3, a hollow groove is arranged inside the base 1, a first gear 5 is arranged inside the hollow groove, the first gear 5 is sleeved outside the output shaft of the first motor 4, a first adjusting groove is arranged at the right end of the hollow groove, a first convex groove is arranged at the right end of the first adjusting groove, a first convex block 6 is slidably arranged inside the first convex groove, a fixing strip 7 is fixedly connected with the left end of the first convex block 6, a rack 8 is fixedly connected with the left end of the fixing strip 7, the rack 8 is meshed with the first gear 5, the rear end of the first adjusting groove is fixedly connected with a first distance sensor 9, the top end of the rotating block 3 is fixedly connected with a box body 10, the bottom side inside the box body 10 is provided with a storage battery 41, electric energy is supplied to electric equipment through the storage battery 41, the right end of the box body 10 is provided with a service port, the box body 10 is internally provided with a service mechanism, a football is sent out through the service mechanism, the bottom end of the service mechanism is provided with an angle adjusting mechanism, the longitudinal angle of the service mechanism is adjusted, the right side of the top end of the service mechanism is connected with a football conveying mechanism, the football is conveniently conveyed to the inside of the service mechanism, the upper side inside the box body 10 is fixedly connected with a controller 11, the top end of the box body 10 is fixedly connected with a football storage frame, the football is conveniently stored, the football storage frame comprises a fixing pipe 34 and a football frame 35, the fixing pipe 34 is fixedly installed at the top end of the box body 10, a circular groove is arranged inside the top end of the fixed pipe 34, a rotating pipe 36 is rotatably connected inside the circular groove, an annular groove is arranged on the bottom side outside the circular groove, a toothed ring 37 is arranged inside the annular groove, the toothed ring 37 is fixedly sleeved outside the rotating pipe 36, a through groove communicated with the annular groove is arranged at the right end of the fixed pipe 34, a third motor 38 is fixedly connected to the top end of the box body 10, a second gear 39 is fixedly connected to the output end of the third motor 38, the left end of the second gear 39 is positioned inside the through groove, the second gear 39 is meshed with the toothed ring 37, stirring heads 40 are fixedly connected to the left side and the right side of the top end of the rotating pipe 36, the bottom end of the football frame 35 is fixedly connected to the top end of the fixed pipe 34, the second gear 39 is driven to rotate by the third motor 38, the second gear 39 drives the toothed ring 37 and the rotating pipe 36 to rotate, the rotating pipe 36 drives the stirring heads 40 to rotate, the stirring heads 40 rotate to stir the football inside the football frame 35, the football preventing device has the advantages that a plurality of football is prevented from being clamped at the top of the fixed pipe 34, the bottom end of the ball storage frame is communicated with the top end of the ball conveying mechanism through the hose 12, the first motor 4 drives the rotating block 3 and the box body 10 to rotate, the angle of the box body 10 is adjusted, the football shot to different directions can be conveniently received by a player, the output shaft of the first motor 4 rotates to drive the first gear 5 to rotate, the first gear 5 rotates to drive the rack 8 to move, the moving distance of the fixed strip 7 and the rack 8 is detected through the first distance sensor 9, the detected data is transmitted to the controller 11 through the first distance sensor 9, the moving distance of the rack 8 is the rotating distance L1 of a certain point outside the first gear 5, the rotating angle of the first gear 5 and the box body 10 is judged through the perimeter L2 of the first gear 5, the rotating angle is L1/L2 and 360 degrees, so that the angle of the horizontal direction of accurate ball sending is convenient to adjust, the input unit of sportsman on controller 11 carries the angle range input corresponding value that can receive the ball, carries out corresponding rotation through controller 11 control first motor 4, makes the angle of service be located the within range of setting for, and the sportsman of being convenient for carries out corresponding exercise according to the self condition.

It should be further noted that the service mechanism includes a service pipe 13, the right side of the bottom end of the service pipe 13 is rotatably connected with the bottom end of the service port through a rotating shaft, the central axis of the rotating shaft is located on the bottom end face of the service pipe 13, the left side inside the service pipe 13 is connected with a push plate 15 through a plurality of first springs 14, the left end of the service pipe 13 is fixedly connected with a first electric cylinder 16, the telescopic rod of the first electric cylinder 16 extends into the service pipe 13 and is fixedly connected with a connecting seat 17, the inside of the connecting seat 17 is provided with a T-shaped groove, the upper side of the right end of the T-shaped groove and the lower side of the right end are both slidably provided with clamping seats 18, the opposite ends of the two clamping seats 18 are both provided with grooves, the inside of the two grooves is fixedly connected with an extension spring 19, the left side of the opposite end of the two clamping seats 18 is both provided with a bevel edge, the left end of the T-shaped groove is fixedly connected with a second electric cylinder 20, the right end of the second electric cylinder 20 is fixedly connected with a trapezoidal block 21, the side end of the trapezoidal block 21 contacts with the bevel edge of the card holder 18, the left end of the push plate 15 is provided with a connecting groove, the bottom end and the top end of the connecting groove are provided with card slots, the back ends of the two card holders 18 extend to the outside of the connecting seat 17, the two card holders 18 are respectively inserted into the two card slots, the second electric cylinder 20 pushes the trapezoidal block 21 to move towards the right side, the trapezoidal block 21 pushes the two card holders 18 to move towards two sides, the two card holders 18 are respectively inserted into the two card slots, the connecting seat 17 is fixedly connected with the push plate 15, when the second electric cylinder 20 pulls the trapezoidal block 21 to move towards the left side, the two card holders 18 are pulled by the stretching spring 19 to move towards the middle, the two card holders 18 are respectively separated from the two card slots, the push plate 15 is pushed to move towards the right rapidly by the elasticity of the first springs 14, and the football is knocked out from the inside of the ball serving tube 13, the fixed ring 22 is fixedly connected inside the service tube 13, the rubber ring 42 is fixedly connected at the left end of the fixed ring 22, the rubber ring 42 plays a role in buffering, the force of impact between the push plate 15 and the fixed ring 22 is reduced, and meanwhile, the noise reduction effect can be achieved, the ball hitting block 23 is fixedly connected inside the fixed ring 22 at the right end of the push plate 15, the rubber head 24 is fixedly connected at the right end of the ball hitting block 23, the football is protected, the ball hitting block 23 is prevented from being damaged by the ball hitting, the second distance sensor 25 is fixedly connected at the left end inside the service tube 13, the first electric cylinder 16 is used for pulling the connecting seat 17 and the push plate 15 to move downwards, detect the distance between the left end face of push pedal 15 and the inside left end face of service pipe 13 through second distance sensor 25, measure the compressive capacity of a plurality of first springs 14, thereby judge the size of the power of football striking when a plurality of first springs 14 serve and accurately judge, the dynamics of serving a ball of being convenient for accurately to adjust, data transfer that will detect through second distance sensor 25 gives controller 11, the sportsman inputs the scope of the dynamics of serving a ball that oneself can bear on controller 11, control first electronic jar 16 through controller 11, the dynamics that makes the football transmission within corresponding within range, the sportsman of being convenient for carries out corresponding exercise according to self condition.

It should be further noted that the angle adjusting mechanism includes a third electric cylinder 26 and an arc-shaped transparent plate 27, the bottom end of the third electric cylinder 26 is fixedly connected with the bottom end inside the box 10, the top end of the third electric cylinder 26 is rotatably connected with the bottom end of the service pipe 13, the front end of the box 10 is provided with an arc-shaped groove, the arc-shaped transparent plate 27 is fixedly installed inside the arc-shaped groove, the front end of the arc-shaped transparent plate 27 is provided with angle scale marks 28, the arc of the arc-shaped transparent plate 27 is located on the central axis of the rotating shaft, the service pipe 13 is pushed to rotate by the third electric cylinder 26, the scale value where the bottom end face of the service pipe 13 is located on the angle scale marks 28 is observed by the arc-shaped transparent plate 27, that is, the angle between the service pipe 13 and the vertical direction is included angle, so as to accurately control the angle of longitudinal service, defeated ball mechanism includes defeated ball pipe 29 and second motor 30, defeated ball pipe 29's bottom and service pipe 13's inside intercommunication, defeated ball pipe 29's left end intercommunication has round case 31, round case 31's inside is rotated through transmission shaft 33 and is connected with four slurcam 32, the front end at round case 31 is installed to second motor 30, second motor 30's output and transmission shaft 33's front end fixed connection, second motor 30 drives transmission shaft 33 and four slurcam 32 and rotates, the football rolls to the centre that is located defeated ball pipe 29's two slurcam 32 from defeated ball pipe 29's inside, can be with the transport to service pipe 13's inside of football one, be convenient for launch single football, guarantee the smoothness nature of carrying the football, avoid the football card to lead to conveying mechanism to damage in defeated ball pipe 29's inside, guarantee its life-span of using.

To sum up, this football exercise device for sports teaching that can simulate football orbit, when using, put the football in the inside of football frame 35, drive second gear 39 through third motor 38 and rotate, second gear 39 drives ring gear 37 and change 36 and rotates, change 36 drives stirring head 40 and rotates, stirring head 40 rotates and stirs the football inside football frame 35, the football gets into the inside of ball conveying pipe 29 through fixed pipe 34 and hose 12, drive transmission shaft 33 and four pushing plates 32 through second motor 30 and rotate, the football rolls to the centre that is located two pushing plates 32 of ball conveying pipe 29 from the inside of ball conveying pipe 29, carry the football to the inside of service pipe 13 simultaneously, promote service pipe 13 through third electronic jar 26 and rotate, observe through arc transparent plate 27 that the bottom end face of service pipe 13 is located the scale interval that angle scale mark 28 is located, namely, the included angle between the serving pipe 13 and the vertical direction is adjusted to a proper angle, the sportsman inputs the strength of serving the football and the angle range of horizontal serving which can be born by the conveying unit on the controller 11 according to the condition of the sportsman, the rotating block 3 and the box body 10 are driven to rotate by the first motor 4, the angle of the box body 10 is adjusted, the sportsman can conveniently receive the football which is shot to different directions, the output shaft of the first motor 4 rotates to drive the first gear 5 to rotate, the first gear 5 rotates to drive the rack 8 to move, the moving distance of the fixed strip 7 and the rack 8 is detected by the first distance sensor 9, the detected data is transmitted to the controller 11 by the first distance sensor 9, the moving distance of the rack 8 is the rotating distance L1 of a certain point outside the first gear 5, the rotating angle of the first gear 5 and the box body 10 is judged by the perimeter L2 of the first gear 5, the rotating angle is L1/L2-360 degrees, make box 10 at the within range rotation of setting for, promote the inside that connecting seat 17 inserted to the spread groove through first electronic jar 16, then promote trapezoidal piece 21 through second electronic jar 20 and remove to the right side, trapezoidal piece 21 promotes two cassette 18 and removes to both sides, make two cassette 18 insert the inside of two draw-in grooves respectively, make connecting seat 17 and push pedal 15 fixed connection, then pull connecting seat 17 and push pedal 15 through first electronic jar 20 and remove downwards, detect the distance between the left end face of push pedal 15 and the inside left end face of service pipe 13 through second distance sensor 25, measure the compression volume of a plurality of first springs 14, thereby judge the size of the power of a plurality of first springs 14 striking football when serving and accurately judge, and the dynamics control of serving is in the within range of setting for, then pull trapezoidal piece 21 through second electronic jar 20 and remove to the left side, pull two cassette 18 through extension spring 19 and remove to the centre, make two 18 separate with two draw-in grooves respectively, promote push pedal 15 through the elasticity of a plurality of first springs 14 and remove right side fast, hit football from the inside of service pipe 23 or the football serving and serve the football from the rubber block 13, then according to football.

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.

Claims

1. A football training device for sports teaching capable of simulating football tracks comprises a base (1) and is characterized in that four self-locking universal wheels (2) are mounted at the bottom end of the base (1), a rotary groove is formed in the top end of the base (1), a rotary block (3) is rotatably connected to the inside of the rotary groove, a first motor (4) is mounted at the bottom end of the base (1), the top end of an output shaft of the first motor (4) extends into the rotary groove and is fixedly connected with the bottom end of the rotary block (3), a hollow groove is formed in the base (1), a first gear (5) is arranged in the hollow groove, the first gear (5) is sleeved outside the output shaft of the first motor (4), a first adjusting groove is formed in the right end of the hollow groove, a first convex block (6) is slidably arranged in the hollow groove, a fixing strip (7) is fixedly connected to the left end of the first convex block (6), a rack (8) is fixedly connected to the left end of the fixing strip (7), the rack (8) is fixedly meshed with the first gear (5), a ball launching mechanism is arranged at the top end of the first convex groove, a ball launching mechanism is fixedly connected to the right end of the rotary groove, a ball launching mechanism (10) is arranged in the rear end of the first convex groove, a ball launching mechanism is arranged in the box body (10), the upper side in the box body (10) is fixedly connected with a controller (11), the top end of the box body (10) is fixedly connected with a ball storage frame, and the bottom end of the ball storage frame is communicated with the top end of the ball conveying mechanism through a hose (12); the ball serving mechanism comprises a ball serving tube (13), the right side of the bottom end of the ball serving tube (13) is rotatably connected with the bottom end of a ball serving port through a rotating shaft, the central axis of the rotating shaft is positioned on the bottom end surface of the ball serving tube (13), the left side inside the ball serving tube (13) is connected with a push plate (15) through a plurality of first springs (14), the left end of the ball serving tube (13) is fixedly connected with a first electric cylinder (16), an expansion rod of the first electric cylinder (16) extends into the ball serving tube (13) and is fixedly connected with a connecting seat (17), a T-shaped groove is arranged inside the connecting seat (17), clamping seats (18) are respectively arranged on the upper side and the lower side of the right end of the T-shaped groove in a sliding manner, and grooves are respectively arranged at the opposite ends of the two clamping seats (18), the interior of the two grooves is fixedly connected with an extension spring (19), the left sides of the opposite ends of the two clamping seats (18) are respectively provided with a bevel edge, the left end of the T-shaped groove is fixedly connected with a second electric cylinder (20), the right end of the second electric cylinder (20) is fixedly connected with a trapezoidal block (21), the side end of the trapezoidal block (21) is contacted with the bevel edge of the clamping seats (18), the left end of the push plate (15) is provided with a connecting groove, the bottom end and the top end of the connecting groove are respectively provided with a clamping groove, the opposite ends of the two clamping seats (18) extend to the outer part of the connecting seat (17), the two clamping seats (18) are respectively inserted into the two clamping grooves, the interior of the ball emitting tube (13) is fixedly connected with a fixing ring (22), the right end of the push plate (15) is located inside the fixing ring (22) and is fixedly connected with a ball hitting block (23), the right end of the ball hitting block (23) is fixedly connected with a rubber head (24), and the left end inside the service pipe (13) is fixedly connected with a second distance sensor (25).

2. The football exercise device for sports teaching capable of simulating football trajectories as claimed in claim 1, wherein the angle adjusting mechanism comprises a third electric cylinder (26) and an arc-shaped transparent plate (27), the bottom end of the third electric cylinder (26) is fixedly connected with the bottom end inside the box body (10), the top end of the third electric cylinder (26) is rotatably connected with the bottom end of the service pipe (13), an arc-shaped groove is formed in the front end of the box body (10), the arc-shaped transparent plate (27) is fixedly installed inside the arc-shaped groove, an angle scale line (28) is formed in the front end of the arc-shaped transparent plate (27), and the arc of the arc-shaped transparent plate (27) is located on the central axis of the rotating shaft.

3. The football training device for sports teaching capable of simulating football trajectories as claimed in claim 2, wherein the ball conveying mechanism comprises a ball conveying pipe (29) and a second motor (30), the bottom end of the ball conveying pipe (29) is communicated with the inside of the ball serving pipe (13), the left end of the ball conveying pipe (29) is communicated with a round box (31), the inside of the round box (31) is rotatably connected with four pushing plates (32) through a transmission shaft (33), the second motor (30) is installed at the front end of the round box (31), and the output end of the second motor (30) is fixedly connected with the front end of the transmission shaft (33).

4. The football training device for sports teaching capable of simulating football trajectories as claimed in claim 3, wherein the football storage frame comprises a fixed pipe (34) and a football frame (35), the fixed pipe (34) is fixedly installed at the top end of the box body (10), a circular groove is formed inside the top end of the fixed pipe (34), a rotating pipe (36) is rotatably connected inside the circular groove, a circular groove is formed in the bottom side of the outside of the circular groove, a toothed ring (37) is arranged inside the circular groove, the fixed sleeve of the toothed ring (37) is arranged outside the rotating pipe (36), a through groove communicated with the circular groove is formed in the right end of the fixed pipe (34), a third motor (38) is fixedly connected to the top end of the box body (10), a second gear (39) is fixedly connected to the output end of the third motor (38), the left end of the second gear (39) is located inside the through groove, the second gear (39) is meshed with the toothed ring (37), a stirring head (40) is fixedly connected to the left side and the right side of the top end of the rotating pipe (36), and the bottom end of the football frame (35) is fixedly connected with the top end of the fixed pipe (34).

5. A football training device for sports teaching capable of simulating the trajectory of football in accordance with claim 4, wherein a battery (41) is mounted on the bottom side of the interior of said casing (10).

6. A football exercise device for sports teaching capable of simulating the trajectory of a football according to claim 5, wherein a rubber ring (42) is fixedly attached to the left end of said fixing ring (22).