CN112221097B

CN112221097B - Basketball beginner uses trainer

Info

Publication number: CN112221097B
Application number: CN202011094796.3A
Authority: CN
Inventors: 金勇�
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-01
Anticipated expiration: 2040-09-29
Also published as: CN112221097A

Abstract

The invention discloses a training device for basketball beginners, which belongs to the field of training devices and comprises a helmet and a hand auxiliary mechanism which are arranged in a suspension mode, and a vertical mirror arranged right in front of the helmet and the hand auxiliary mechanism, wherein the height of the helmet is adjustable, and a pressure sensor is arranged on the helmet; the hand auxiliary mechanism comprises a protective shell, a hinged rod, a push plate and a component, wherein the protective shell is used for being worn on a wrist of a user and fixed on the wrist, the hinged rod and the push plate are hinged to one side of the protective shell, the component is arranged in the protective shell and used for driving the push plate to flap the back of the hand or fingers of a basketball beginner, and the component comprises a reversing wheel, a third traction rope, a heavy ball and a swinging rod; a axis of rotation is equipped with to the upper end that is used for hanging the first tractive line of hand complementary unit, and one side of axis of rotation is equipped with the torsional spring to be equipped with the locking Assembly who is used for locking the axis of rotation, locking Assembly includes electro-magnet, elevator, pawl, axis of rotation, permanent magnet, ratchet. The invention can promote the hands and the head of the basketball beginner to form the correct action habit for playing the basketball.

Description

Basketball beginner uses trainer

Technical Field

The invention relates to the field of training devices, in particular to a training device for basketball beginners.

Background

Basketball is an Olympic Game core game, and basketball is a physical opponent sport that is hand-centered. With the enhancement of the health consciousness of the whole people, basketball sports are more and more popular. For beginners, action habits of basketball sports are usually trained and formed by autonomous consciousness control, for basketball beginners, the beginners often look down to check the action of beating a basketball autonomously, and during the basketball sports, the heads of players are required to keep a front state so as to observe the states of other players; when a basketball is beaten, a basketball beginner is likely to beat the basketball by driving the palm with the arms, rather than beating the basketball with the strength of the fingers in cooperation with the wrist. At present, there is no training device that can help basketball beginners form a correct action habit for playing basketball.

Disclosure of Invention

1. Technical problem to be solved

The present invention has been made in an effort to provide a training device for basketball beginners, which can remind a basketball beginners that fingers of the basketball beginners are bent downward to flap a basketball with the strength of the fingers in cooperation with wrists during a basketball training, and can urge the hands and the head of the basketball beginners to form a correct playing habit for the basketball game by forcibly suspending the training when the basketball beginners are lowering their heads so that the basketball beginners can clearly recognize the error of their own playing.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a basketball beginner uses the trainer, including the bed plate, fix the portal frame on the bed plate, and install the vertical mirror on the bed plate in the direct front of portal frame through the supporting plate, the top of the said portal frame hangs the helmet of height-adjustable through the second guy rope, connect with the cingulum used for buckling at user's chin on the said helmet, and buckle and have pressure sensor with the position that the chin contacts on the cingulum; an unwinding box is fixed at the top of the door-type frame, a rope winding roller wound with a first pulling rope is arranged in the unwinding box, one end of the first pulling rope vertically penetrates through the unwinding box and is connected with a hand auxiliary mechanism worn on a wrist, a rotating shaft rotatably connected with the unwinding box penetrates through the axis of the rope winding roller, a torsion spring is connected between the rotating shaft and the inner wall of the unwinding box, one end of the rotating shaft extends to the outer side of the unwinding box, and a locking mechanism used for locking the rotating shaft is arranged on the corresponding side of the unwinding box;

the hand auxiliary mechanism comprises a wrist sleeve, a bearing plate fixed on the wrist sleeve, a protective shell fixed on the bearing plate, a hinged rod hinged on one side of the protective shell, and a push plate connected with the front end of the hinged rod, wherein the push plate is parallel to the length direction of the hinged rod, one end of the hinged rod connected with the protective shell extends to the inner side of the protective shell in a penetrating way and can swing up and down around the hinged part of the hinged rod, a second sliding block positioned above the hinged rod is connected on the inner wall of the protective shell corresponding to the side of the hinged rod, the bottom surface of the second sliding block is connected with a second spring connected to the hinged rod, a rotatable reversing wheel is installed at the inner top of the protective shell, a swinging rod is rotatably connected on one side of the protective shell opposite to the hinged rod, the other end of the swinging rod extends upwards in an inclined way and is, one side of the weight ball, which is back to the hinge rod, is connected with a third traction rope which bypasses the top of the reversing wheel and is fixedly connected with the end part of the hinge rod; in an initial state, the second spring is in a compressed state, and the hinged rod is in a horizontal state;

the locking mechanism comprises a first slide rail vertically fixed on the unwinding box, a lifting block slidably connected on the first slide rail, a ratchet fixedly sleeved on the rotating shaft, a pawl hinged on the lifting block and matched with the ratchet, and a first spring connected to the top of the lifting block to the top of the portal frame, wherein the lifting block is positioned above the rotating shaft, a permanent magnet is arranged in the outer end side of the rotating shaft, the top of the lifting block is connected with an installation block, an electromagnet magnetically attracted with the permanent magnet is arranged in the installation block, and when the first spring is in a natural state, the pawl is separated from the ratchet; after the electromagnet is electrified, the ratchet wheel is meshed with the pawl, and the allowed rotation direction of the ratchet wheel is the same as the winding rotation direction of the rope winding roller.

Further, be fixed with two guide arms on the bed plate, be equipped with a elevating platform with guide arm sliding connection between two guide arms jointly, the below of elevating platform is equipped with the translation supporting seat that is used for the bearing elevating platform, and the contact surface of translation supporting seat and elevating platform is the inclined plane, the bottom of translation supporting seat is equipped with the third slide rail of horizontally connect on the bed plate, translation supporting seat and third slide rail sliding connection, one side of bed plate is connected with the adjustment mechanism of drive translation supporting seat translation. Can drive the translation supporting seat through adjustment mechanism and follow the translation of third slide rail, because the translation supporting seat is the inclined plane with the contact surface of elevating platform, the limiting displacement of cooperation guide arm, the translation of translation supporting seat can drive the elevating platform and reciprocate along the guide arm, the basketball beginner can adjust the height of elevating platform according to self height condition, with can be comparatively comfortable with the training of patting the basketball on the elevating platform, and adopt translation supporting seat and adjustment mechanism to drive the lift that realizes the elevating platform, area of contact between elevating platform and the bed plate is great, can play the effect of noise reduction.

Further, adjustment mechanism includes the screw shaft that a level set up, and screw thread suitability suit is at the epaxial first slider of screw to and connect in the rotation handle of screw shaft one end, the both ends of screw shaft all are connected to through the bearing with bed plate fixed connection's fixed block on, translation supporting seat and first slider fixed connection. Can drive the screw shaft through rotating the handle and rotate, the spacing guide effect of cooperation third slide rail to the translation supporting seat for the rotation of screw shaft drives first slider along the translation of screw shaft, and it can effectively drive the translation supporting seat along the translation of third slide rail.

Furthermore, the other end of the second traction rope bypasses from the upper side of the portal frame and penetrates through the inner side of the portal frame, the end of the second traction rope is connected with a lantern ring, a plurality of positioning hooks for hanging the lantern ring in a sleeved mode are fixed on the side wall of the side, corresponding to the lantern ring, of the portal frame at equal intervals along the height direction, and the top of the portal frame is connected with a reversing roller for the second traction rope to bypass. Through with the lantern ring cover on different location hooks, the height of adjustable helmet to the user that is adapted to different heights uses, and the setting of switching-over roller makes the lantern ring can be located lower department, thereby is convenient for adjust the height of helmet through the lantern ring.

Furthermore, the second slider is connected with the inner wall of the protective shell in a sliding manner, a second sliding rail connected with the second slider in a sliding manner is vertically arranged on the inner wall of the protective shell, the upper end face of the second slider is connected with a screw rod vertically penetrating through the upper end face of the protective shell through a bearing, and the screw rod is in threaded connection with the protective shell. Through rotating the screw rod, can drive the second slider and carry out lifting movement along the second slide rail, and then can adjust the initial compression volume of second spring to can adjust the thrust that the second spring was applyed on the hinge bar tip, and then can adjust the initial condition of hinge bar and push pedal.

Further, the front end of push pedal is fixed with the connecting block, the connecting block is connected with the basketball through long connecting rope, and the length of long connecting rope is far greater than the farthest distance between basketball and the connecting block in the basketball standard training. To the basketball beginner, the basketball easily breaks away from basketball beginner's control, connects the rope through long and connects behind basketball and the push pedal, breaks away from basketball beginner's control and when removing to the department far away, connects the rope through long and can be for convenient pull back the basketball, need not frequently run and pick up the ball, and the length of long connection rope is enough long, can not influence the basketball beginner contact when the operation of standardization and pat the basketball.

Furthermore, a flexible pad is fixed on one surface of the bearing plate, which is connected with the wrist sleeve. Through the arrangement of the flexible pad, the hard contact between the back of the hand and the bearing plate can be avoided when a user wears the hand auxiliary mechanism.

3. Advantageous effects

(1) The hand auxiliary mechanism mainly comprises a protective shell, a hinged rod, a push plate and a component, wherein the protective shell is used for being worn on a wrist, the wrist sleeve is fixed on the wrist sleeve, the hinged rod and the push plate are hinged to one side of the protective shell, the component is arranged in the protective shell and used for driving the push plate to flap the back of the hand or fingers of a basketball beginner, and the component comprises a reversing wheel, a third traction rope, a heavy ball and a swinging rod. During the application, after the basketball beginner wore the hand complementary unit, beat the basketball along with its hand downwards, protective housing downstream thereupon, the hinged end that can drive the swinging arms is downstream together, make the heavy object ball rotate around the hinged end of swinging arms one side of hinged arm dorsad, its hinged end rebound through third guy rope pulling hinged arm, then the other end of hinged arm drives the push pedal and rotates around the hinged end of hinged arm downwards, the back of the hand or the finger of basketball beginner can be patted to the push pedal, remind basketball beginner's finger downwarping and pat the basketball with the strength cooperation wrist of finger, avoid basketball beginner to drive the palm with the arm and pat the basketball, thereby be favorable to basketball beginner to forming the action custom of correct bat.

(2) The basketball helmet is hung through the second traction rope, and the height of the helmet is adjustable, so that the basketball helmet is suitable for basketball beginners with different heights. During the application, the basketball beginner wears the helmet and taut second traction rope after for the basketball beginner's head keeps looking at the state in the place ahead directly, looks over the action that oneself patted the basketball with this low head of avoiding the basketball beginner to be involuntary, and the training beginner is looking at this the correct posture that carries out the basketball motion in the place ahead directly, and can observe whether there is the error in the action that oneself patted the basketball through locating the vertical mirror in the place ahead.

(3) The hand-operated auxiliary device is provided with a first traction rope for hanging a hand auxiliary mechanism and a rotating shaft for unreeling or reeling the first traction rope, wherein one side of the rotating shaft is provided with a torsion spring, and the rotating shaft is provided with a locking assembly for locking the rotating shaft, and the locking assembly comprises an electromagnet, a lifting block, a pawl, a rotating shaft, a permanent magnet and a ratchet wheel; and a pressure sensor arranged on the helmet is also arranged. When the device is used, after a basketball beginner wears the helmet and the hand auxiliary mechanism, the pressure sensor is located at the chin of the basketball beginner, if the basketball beginner lowers the head, the pressure value detected by the pressure sensor is larger than a preset value, the controller energizes the electromagnet, magnetic attraction is generated between the electromagnet and the permanent magnet, the electromagnet pushes the lifting block to move downwards, the pawl descends along with the lifting block to be just clamped on the ratchet wheel, at the moment, the ratchet wheel is limited by the pawl and can only rotate towards one direction, the rotating shaft cannot unwind the first traction rope, at the moment, when the hand of the basketball beginner is located at a higher position, the hand of the basketball beginner cannot move downwards due to the fact that the hand auxiliary mechanism is dragged by the first traction rope; if basketball beginner's hand is located during the lower, then rise along with basketball beginner's hand afterwards, the axis of rotation can take place to rotate under the reset action of torsional spring, can realize carrying out the rolling to first tractive rope, later basketball beginner's hand can not move down because of the dragging of hand complementary unit received first tractive rope, then when basketball beginner stood down, through the locking effect of locking mechanism to the axis of rotation, can make basketball beginner pause the training, make basketball beginner know the mistake of oneself action clearly and definitely.

In conclusion, the invention can remind the basketball beginner that the fingers bend downwards to match the wrist to beat the basketball by the strength of the fingers in the basketball training process, and can forcibly pause the training when the basketball beginner lowers the head so as to clearly realize the error of the action of the basketball beginner, so that the invention can promote the hands and the head of the basketball beginner to form the correct action habit of basketball movement.

Drawings

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

FIG. 2 is a schematic structural view of section A-A of FIG. 1;

fig. 3 is a sectional view of the hand assist mechanism 4 in embodiment 1 taken along a vertical center plane thereof;

fig. 4 is an enlarged schematic view of the structure of the helmet 17;

fig. 5 is a cross-sectional view of the locking mechanism 1 and the unwinding cassette 2 taken along a vertical center plane;

FIG. 6 is a side view of the latch mechanism 1 of FIG. 5, with the latch mechanism 1 in an unlocked state;

fig. 7 is a side view of the locking mechanism 1 in the locked state;

FIG. 8 is a side view of the latch mechanism 1 with an enlarged view of the latch mechanism 1 in the unlatched condition 8;

fig. 9 is a cross-sectional view of the hand assist mechanism 4 according to embodiment 2 taken along a vertical center plane thereof.

Reference numerals: 1. a locking mechanism; 2. unwinding the box; 3. a first pull rope; 4. a hand assist mechanism; 5. basketball; 6. a guide bar; 7. a lifting platform; 8. an adjustment mechanism; 81. rotating the handle; 82. a fixed block; 83. a first slider; 84. a screw shaft; 9. a third slide rail; 10. a base plate; 11. a support seat is translated; 12. a collar; 13. a positioning hook; 14. a second pull rope; 15. a door frame; 16. a standing mirror; 17. a helmet; 18. a reversing roller; 19. a buckle belt; 20. a long connecting rope; 21. a support plate; 22. a pressure sensor; 23. a rope winding roller; 24. a first slide rail; 25. a first spring; 26. an electromagnet; 27. a lifting block; 28. a pawl; 29. a rotating shaft; 30. a permanent magnet; 31. a ratchet wheel; 32. a torsion spring; 33. connecting blocks; 34. pushing the plate; 35. a hinged lever; 36. a flexible pad; 37. a wrist cover; 38. a second spring; 39. a second slider; 40. a second slide rail; 41. a screw; 42. a third pull rope; 43. a reversing wheel; 44. a protective housing; 45. a weight ball; 46. a swing lever; 47. a carrier plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 and 2, the training device for basketball beginners comprises a base plate 10, a portal frame 15 fixed on the base plate 10, and an upright mirror 16 mounted on the base plate 10 right in front of the portal frame 15 through a support plate 21, wherein a helmet 17 with adjustable height is hung on the top of the portal frame 15 through a second pulling rope 14, a buckle belt 19 for buckling at the chin of a user is connected on the helmet 17, and a pressure sensor 22 is arranged on the position, contacting with the chin, of the buckle belt 19; the top of the door type frame 15 is fixed with an unreeling box 2, as shown in fig. 5, a rope reeling roller 23 wound with a first pulling rope 3 is arranged in the unreeling box 2, one end of the first pulling rope 3 vertically penetrates through the unreeling box 2 and is connected with a hand auxiliary mechanism 4 worn on the wrist, a rotating shaft 29 rotatably connected with the unreeling box 2 penetrates through the axis of the rope reeling roller 23, a torsion spring 32 is connected between the rotating shaft 29 and the inner wall of the unreeling box 2, one end of the rotating shaft 29 extends to the outer side of the unreeling box 2, and a locking mechanism 1 for locking the rotating shaft 29 is arranged on the corresponding side of the unreeling box 2;

as shown in fig. 3, the hand assisting mechanism 4 includes a wrist strap 37, a bearing plate 47 fixed on the wrist strap 37, a protective housing 44 fixed on the bearing plate 47, a hinge rod 35 hinged on one side of the protective housing 44, and a push plate 34 connected to the front end of the hinge rod 35, the push plate 34 is parallel to the length direction of the hinge rod 35, one end of the hinge rod 35 connected to the protective housing 44 extends to the inner side of the protective housing 44 and can swing up and down around the hinge joint, a second slider 39 located above the hinge rod 35 is connected to the inner wall of the protective housing 44 corresponding to the side of the hinge rod 35, a second spring 38 connected to the hinge rod 35 is connected to the bottom surface of the second slider 39, a rotatable reversing wheel 43 is installed at the inner top of the protective housing 44, a swing rod 46 is rotatably connected to the side of the protective housing 44 facing away from the hinge rod 35, the other end of the swinging rod 46 extends upwards in an inclined way and is connected with a weight ball 45 which is lower than the reversing wheel 43, and one side of the weight ball 45 back to the hinge rod 35 is connected with a third traction rope 42 which bypasses the top of the reversing wheel 43 and is fixedly connected with the end part of the hinge rod 35; in the initial state, the second spring 38 is in a compressed state, and the hinge lever 35 is in a horizontal state;

as shown in fig. 5-7, the locking mechanism 1 includes a first slide rail 24 vertically fixed on the unwinding box 2, a lifting block 27 slidably connected to the first slide rail 24, a ratchet wheel 31 fixedly sleeved on a rotating shaft 29, a pawl 28 hinged on the lifting block 27 and adapted to the ratchet wheel 31, and a first spring 25 connected to the top of the lifting block 27 to the top of the door frame 15, wherein the end surface of the lifting block 27 is in a fan-ring shape and located above the rotating shaft 29, a permanent magnet 30 is disposed in the outer end side of the rotating shaft 29, a mounting block is connected to the top of the lifting block 27, an electromagnet 26 magnetically attracted to the permanent magnet 30 is disposed in the mounting block, and when the first spring 25 is in a natural state, the pawl 28 is disengaged from the ratchet wheel 31; when the electromagnet 26 is electrified, the ratchet wheel 31 is meshed with the pawl 28, and the allowed rotation direction of the ratchet wheel 31 is the same as the winding direction of the rope winding roller 23.

In this embodiment, as shown in fig. 1, the other end of the second pulling rope 14 passes over the door frame 15 and extends through the door frame 15 to the inside of the door frame 15, and the end of the second pulling rope 14 is connected with a loop 12, a plurality of positioning hooks 13 for hanging the loop 12 are fixed on the side wall of the door frame 15 corresponding to the loop 12 at equal intervals along the height direction, and a reversing roller 18 for passing the second pulling rope 14 is connected to the top of the door frame 15. By sleeving the lantern ring 12 on different positioning hooks 13, the height of the helmet 17 can be adjusted to adapt to users with different heights, and the arrangement of the reversing roller 18 enables the lantern ring 12 to be positioned at a lower position, so that the height of the helmet 17 can be adjusted conveniently through the lantern ring 12.

In this embodiment, as shown in fig. 3, a connecting block 33 is fixed at the front end of the push plate 34, the connecting block 33 is connected with the basketball 5 through a long connecting rope 20, and the length of the long connecting rope 20 is far greater than the farthest distance between the basketball and the connecting block 33 in the basketball standard training. To the basketball beginner, basketball 5 easily takes off basketball beginner's control, connects behind basketball 5 and push pedal 34 through long connecting rope 20, breaks away from basketball beginner's control and when removing to far away department, can pull back basketball 5 for convenient through long connecting rope 20, need not frequently run and pick up the ball, and long connecting rope 20's length is enough long, can not influence the basketball beginner contact when the operation of standardization and pat the basketball.

In this embodiment, as shown in fig. 3, a flexible pad 36 is fixed on one side of the carrying plate 47 connected to the wrist strap 37. By means of the flexible cushion 36, hard contact between the back of the hand and the carrier plate 47 can be avoided when the user wears the hand assist mechanism 4.

Example 2

The present embodiment is different from embodiment 1 in that:

in this embodiment, as shown in fig. 1 and fig. 2, two guide rods 6 are fixed on the base plate 10, an elevating platform 7 slidably connected with the guide rods 6 is jointly arranged between the two guide rods 6, a translation supporting seat 11 for supporting the elevating platform 7 is arranged below the elevating platform 7, a contact surface between the translation supporting seat 11 and the elevating platform 7 is an inclined surface, a third slide rail 9 horizontally connected to the base plate 10 is arranged at the bottom of the translation supporting seat 11, the translation supporting seat 11 is slidably connected with the third slide rail 9, and one side of the base plate 10 is connected with an adjusting mechanism 8 for driving the translation supporting seat 11 to translate. Can drive translation supporting seat 11 through adjustment mechanism 8 along the translation of third slide rail 9, because translation supporting seat 11 is the inclined plane with the contact surface of elevating platform 7, cooperation guide arm 6's limiting displacement, translation supporting seat 11's translation can drive elevating platform 7 and reciprocate along guide arm 6, the basketball beginner can adjust the height of elevating platform 7 according to self height condition, with can be comparatively comfortable with 7 enterprising the training of patting basketball 5 of elevating platform, and adopt translation supporting seat 11 and adjustment mechanism 8 to drive the lift that realizes elevating platform 7, area of contact between elevating platform 7 and bed plate 10 is great, can play the effect of noise reduction.

In this embodiment, as shown in fig. 8, the adjusting mechanism 8 includes a horizontally disposed screw shaft 84, a first slider 83 screwed on the screw shaft 84, and a rotating handle 81 connected to one end of the screw shaft 84, both ends of the screw shaft 84 are connected to a fixed block 82 fixedly connected to the base plate 10 through bearings, and the translation supporting seat 11 is fixedly connected to the first slider 83. The handle 81 can be rotated to drive the screw shaft 84 to rotate, and the third slide rail 9 is matched with the limiting and guiding effect of the translation support seat 11, so that the rotation of the screw shaft 84 drives the first slide block 83 to translate along the screw shaft 84, and the translation support seat 11 can be effectively driven to translate along the third slide rail 9.

In this embodiment, as shown in fig. 9, the second slider 39 is slidably connected to an inner wall of the protective housing 44, a second slide rail 40 slidably connected to the second slider 39 is vertically disposed on the inner wall of the protective housing 44, an upper end surface of the second slider 39 is connected to a screw 41 vertically penetrating through an upper end surface of the protective housing 44 through a bearing, and the screw 41 is in threaded connection with the protective housing 44. Through rotating the screw rod 41, the second slider 39 can be driven to move up and down along the second slide rail 40, and then the initial compression amount of the second spring 38 can be adjusted, so that the thrust applied to the end part of the hinge rod 35 by the second spring 38 can be adjusted, and further the initial state of the hinge rod 35 and the push plate 34 can be adjusted.

Otherwise, the same procedure as in example 1 was repeated.

The concrete application process of above-mentioned basketball beginner with trainer is:

basketball beginner adjusts the position of translation supporting seat 11 earlier through adjustment mechanism 8, drives 7 over-and-under types of elevating platform and removes to the height that is fit for the basketball beginner, and concrete operation is: the rotation handle 81 is rotated to drive the screw shaft 84 to rotate, the first sliding block 83 is driven to drive the translation supporting seat 11 to translate along the third sliding rail 9, and the contact surface between the translation supporting seat 11 and the lifting platform 7 is an inclined surface, so that the lifting platform 7 can be driven to move in a lifting manner; then the collar 12 is loosened, the helmet 17 is worn, then the second pulling rope 14 is tightened, the collar 12 is sleeved on the corresponding positioning hook 13, and the pressure sensor 22 is started; the hand auxiliary mechanism 4 is worn, namely, the wrist sleeve 37 is sleeved on the wrist, the push plate 34 is positioned at the back side of the hand, the hinged end of the hinged rod 35 is subjected to downward pushing force exerted by the second spring 38 and upward pulling force exerted by the weight ball 45 through the third traction rope 42, so that the hinged rod 35 is stressed uniformly, and the push plate 34 is not contacted with the back of the hand; then, the training of beating the basketball 5 can be started, when the beginner beats the basketball 5 downwards with the hands, the protective shell 44 drives the hinged end of the swinging rod 46 to move downwards together, so that the weight ball 45 rotates around the hinged end of the swinging rod 46 to one side back to the hinged rod 35, the third traction rope 42 pulls the hinged end of the hinged rod 35 to move upwards, the other end of the hinged rod 35 drives the push plate 34 to rotate downwards around the hinged end of the hinged rod 35, the push plate 34 can beat the back or fingers of the basketball beginner, the fingers of the basketball beginner are reminded to bend downwards and match the strength of the fingers with the wrist to beat the basketball, and therefore the basketball beginner can form a correct action habit of beating the basketball;

in the process of basketball training, a basketball beginner must keep the head in front view, so as to prevent the basketball beginner from involuntarily lowering the head to check the action of beating the basketball by himself, the training beginner can see the correct posture of basketball movement in front view, and can observe whether the action of beating the basketball by himself through the vertical mirror 16 has errors, the pressure sensor 22 can detect the pressure exerted on the basketball beginner by the chin in real time, the controller receives the detection value of the pressure sensor 22 and compares the detection value with the preset value, if the head of the basketball beginner keeps the right posture, the pressure value detected by the pressure sensor 22 is obviously smaller than the preset value, and when the basketball beginner lowers the head, the pressure value detected by the pressure sensor 22 is larger than the preset value, the controller powers on the electromagnet 26, the electromagnet 26 generates the magnetic attraction force to the permanent magnet 30, under the action of the magnetic attraction force, the electromagnet 26 pushes the lifting block 27 to move downwards, the first spring 25 is stretched, the pawl 28 descends along with the lifting block 27 to be just clamped on the ratchet wheel 31, at the moment, the ratchet wheel 31 is limited by the pawl 28 and can only rotate towards one direction, so that the rope winding roller 23 cannot wind the first traction rope 3, and at the moment, if the hand of the basketball beginner is positioned at a higher position, the hand of the basketball beginner cannot move downwards due to the fact that the hand auxiliary mechanism 4 is dragged by the first traction rope 3; if the hands of the basketball beginner are located at a lower position, then the rotating shaft 29 can rotate under the reset action of the torsion spring 32 along with the rising of the hands of the basketball beginner, namely, the first traction rope 3 can be wound, and then the hands of the basketball beginner cannot move downwards due to the traction of the first traction rope 3 by the hand auxiliary mechanism 4, so that the basketball beginner can make a pause training through the locking action of the locking mechanism 1 on the rotating shaft 29 when the basketball beginner lowers the head, and the basketball beginner can make a clear of the action error; after the head of the basketball beginner is looked at, the pressure detected by the pressure sensor 22 is obviously smaller than the preset value, the electromagnet 26 is powered off, the lifting block 27 drives the pawl 28 to reset upwards under the reset action of the first spring 25, and the locking of the rotating shaft 29 can be released, so that the basketball beginner can train normally.

As can be seen from the above, the present invention can remind the basketball beginner to bend the fingers downward and beat the basketball with the strength of the fingers in cooperation with the wrist during the basketball training, and can forcibly pause the training when the basketball beginner lowers the head to clearly recognize the error of the movement of the basketball beginner, so that the present invention can promote the hands and the head of the basketball beginner to form the correct movement habit of playing the basketball.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The training device for basketball beginners is characterized by comprising a base plate (10), a portal frame (15) fixed on the base plate (10) and a vertical mirror (16) installed on the base plate (10) right in front of the portal frame (15) through a support plate (21), wherein a helmet (17) with adjustable height is hung at the top of the portal frame (15) through a second pulling rope (14), a buckle belt (19) used for buckling the chin of a user is connected onto the helmet (17), and a pressure sensor (22) is arranged at the position, in contact with the chin, of the buckle belt (19); the top of the door type frame (15) is fixed with an unreeling box (2), a rope reeling roller (23) wound with a first pulling rope (3) is arranged in the unreeling box (2), one end of the first pulling rope (3) vertically penetrates through the unreeling box (2) and is connected with a hand auxiliary mechanism (4) worn on a wrist, a rotating shaft (29) rotatably connected with the unreeling box (2) penetrates through the axis of the rope reeling roller (23), a torsion spring (32) is connected between the rotating shaft (29) and the inner wall of the unreeling box (2), one end of the rotating shaft (29) extends to the outer side of the unreeling box (2), and a locking mechanism (1) used for locking the rotating shaft (29) is arranged on the corresponding side of the unreeling box (2);

the hand auxiliary mechanism (4) comprises a wrist sleeve (37), a bearing plate (47) fixed on the wrist sleeve (37), a protective shell (44) fixed on the bearing plate (47), a hinged rod (35) hinged to one side of the protective shell (44), and a push plate (34) connected to the front end of the hinged rod (35), wherein the push plate (34) is parallel to the length direction of the hinged rod (35), one end of the hinged rod (35) connected with the protective shell (44) penetrates through the inner side of the protective shell (44) and can swing up and down around the hinged position of the hinged rod, a second sliding block (39) located above the hinged rod (35) is connected to the inner wall of the protective shell (44) corresponding to the side of the hinged rod (35), a second spring (38) connected to the hinged rod (35) is connected to the bottom surface of the second sliding block (39), and a rotatable reversing wheel (43) is installed at the inner top of the protective shell (44), a swinging rod (46) is rotatably connected to one side of the interior of the protective shell (44) facing away from the hinge rod (35), the other end of the swinging rod (46) extends obliquely upwards and is connected with a weight ball (45) lower than the reversing wheel (43), and one side of the weight ball (45) facing away from the hinge rod (35) is connected with a third traction rope (42) which bypasses the top of the reversing wheel (43) and is fixedly connected with the end part of the hinge rod (35); in the initial state, the second spring (38) is in a compressed state, and the hinge rod (35) is in a horizontal state;

the locking mechanism (1) comprises a first sliding rail (24) vertically fixed on the unreeling box (2), a lifting block (27) connected to the first sliding rail (24) in a sliding manner, a ratchet wheel (31) fixedly sleeved on a rotating shaft (29), a pawl (28) hinged on the lifting block (27) and matched with the ratchet wheel (31), and a first spring (25) connected to the top of the lifting block (27) to the top of the door-type frame (15), wherein the lifting block (27) is positioned above the rotating shaft (29), a permanent magnet (30) is arranged in the outer end side of the rotating shaft (29), the top of the lifting block (27) is connected with an installation block, an electromagnet (26) magnetically attracted with the permanent magnet (30) is arranged in the installation block, and when the first spring (25) is in a natural state, the pawl (28) is separated from the ratchet wheel (31); after the electromagnet (26) is electrified, the ratchet wheel (31) is meshed with the pawl (28), and the allowed rotation direction of the ratchet wheel (31) is the same as the winding rotation direction of the rope winding roller (23).

2. Training device for basketball beginners, according to claim 1, characterized in that the front end of the push plate (34) is fixed with a connecting block (33), and the connecting block (33) is connected with the basketball (5) through a long connecting rope (20).

3. The training device for basketball beginners as claimed in claim 1, wherein two guide rods (6) are fixed on the base plate (10), an elevating platform (7) connected with the guide rods (6) in a sliding manner is jointly arranged between the two guide rods (6), a translation supporting seat (11) used for supporting the elevating platform (7) is arranged below the elevating platform (7), the contact surface between the translation supporting seat (11) and the elevating platform (7) is an inclined surface, a third sliding rail (9) horizontally connected to the base plate (10) is arranged at the bottom of the translation supporting seat (11), the translation supporting seat (11) is connected with the third sliding rail (9) in a sliding manner, and an adjusting mechanism (8) used for driving the translation supporting seat (11) to translate is connected to one side of the base plate (10).

4. A basketball beginner training device according to claim 3, wherein said adjusting mechanism (8) comprises a horizontally arranged screw shaft (84), a first sliding block (83) threadedly fitted on the screw shaft (84), and a rotating handle (81) connected to one end of the screw shaft (84), both ends of said screw shaft (84) are connected to a fixed block (82) fixedly connected to the base plate (10) through bearings, and said translational support base (11) is fixedly connected to the first sliding block (83).

5. The basketball beginner training device as claimed in claim 1, wherein the other end of the second pulling rope (14) passes by the upper side of the door type frame (15) and extends to the inner side of the door type frame (15) in a penetrating way, a lantern ring (12) is connected to the end of the second pulling rope (14), a plurality of positioning hooks (13) for the lantern ring (12) to be hung are fixed on the side wall of the door type frame (15) corresponding to the side wall of the lantern ring (12) at equal intervals along the height direction, and a reversing roller (18) for the second pulling rope (14) to pass by is connected to the top of the door type frame (15).

6. The training device for basketball beginners as claimed in claim 1, wherein the second sliding block (39) is slidably connected with the inner wall of the protective shell (44), a second sliding rail (40) slidably connected with the second sliding block (39) is vertically arranged on the inner wall of the protective shell (44), a screw rod (41) vertically penetrating through the upper end surface of the protective shell (44) is connected to the upper end surface of the second sliding block (39) through a bearing, and the screw rod (41) is in threaded connection with the protective shell (44).

7. A basketball beginner training device as in claim 1, wherein a flexible pad (36) is attached to one side of said carrier plate (47) that is attached to said wristband (37).