CN111569391A

CN111569391A - Physical training device for tennis teaching

Info

Publication number: CN111569391A
Application number: CN202010392446.9A
Authority: CN
Inventors: 林建健
Original assignee: International Relations, University of
Current assignee: International Relations, University of
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-08-25

Abstract

The invention discloses a physical training device for tennis teaching, which comprises a box body, wherein partition plates are jointly fixed on opposite side walls in the box body, the box body is divided into a collecting cavity and a placing cavity by the partition plates, fixed plates are jointly fixed on the opposite side walls in the placing cavity, an adjusting device is arranged on the fixed plates, two second sliding grooves are arranged at the top in the placing cavity, the bottoms in the two second sliding grooves are arranged in a penetrating manner, second sliding blocks are arranged in the second sliding grooves, the adjusting device is connected with the two second sliding blocks, and push rods are rotatably connected to the two second sliding blocks. The training device has various training conditions, can be adjusted according to the defects of the athletes, can adjust the angles of the training plates at will by the adjusting device, thereby changing the running tracks of the balls and improving the reaction capability of the athletes, and meanwhile, the training plates are also provided with through holes with different diameters, so that the athletes can train the accuracy during playing the balls, thereby improving the self-body energy of the different athletes during training and enabling the postures of the athletes to be more standard.

Description

Physical training device for tennis teaching

Technical Field

The invention relates to the technical field of tennis teaching, in particular to a physical training device for tennis teaching.

Background

Tennis is a graceful and intense sport, the origin and development of which can be summarized in four words: the tennis sport belongs to a skill leading type separation net antagonistic item group, namely a skill type project with skill as a main part and body physical fitness as an auxiliary part, and a scientific and effective physical training device is needed to help a user to carry out better exercise in the teaching process.

In the process of competition, a player runs left and right or back and forth on a field quickly and in a short distance, the player waves the racket with force, the control of the strength and the angle by hands needs absolute strength, often a tennis match takes a long time, which is a small challenge for the physical strength of the player, when the player carries out tennis training, the player often plays a ball against a wall, so the training is single, the interest of the player cannot be improved, and when the player plays the ball against the wall, the change range of the ball motion track is small, the instant reaction capability and the concentration force of the player cannot be trained, meanwhile, when the player plays the ball for a long time, the self posture can be changed, so the playing point and the like are wrong, because the player cannot support the physical ability, consciousness can automatically change the self posture, the consumption of the physical ability is reduced, various errors occur in playing the ball, so the self capacity of the player cannot be improved due to the long-time training, it also causes the athlete's own stance to change slowly, so improvements are needed.

Disclosure of Invention

The invention aims to solve the defects that the existing tennis players have single training equipment and cannot provide various kinds of training for the players, and provides a physical training device for tennis teaching.

In order to achieve the purpose, the invention adopts the following technical scheme:

a physical training device for tennis teaching comprises a box body, wherein partition plates are jointly fixed on opposite side walls in the box body, the box body is divided into a collecting cavity and a placing cavity by the partition plates, fixed plates are jointly fixed on the opposite side walls in the placing cavity, an adjusting device is arranged on the fixed plates, two second sliding grooves are formed in the top of the placing cavity, bottoms in the two second sliding grooves are arranged in a penetrating mode, second sliding blocks are installed in the second sliding grooves, the adjusting device is connected with the two second sliding blocks, and push rods are rotatably connected to the two second sliding blocks;

the two sides of the upper end of the box body are respectively fixed with a connecting rod, one end of each connecting rod is respectively and rotatably connected with an installation rod, the upper ends of the two push rods are respectively and rotatably connected with the other side of the installation rod, one side of the upper end of each installation rod is jointly fixed with a training plate, a supporting plate is jointly fixed between the other ends of the two installation rods, an opening is arranged on the supporting plate, a conveying port corresponding to the opening is arranged on the box body, a connecting net is fixed at the lower end of the supporting plate, the lower end of the connecting net is fixed on the box body, the upper end of the connecting net corresponds to the opening, the lower end of the connecting net corresponds to the conveying port, a first inclined plate is fixed on one side of the supporting plate, bearing plates;

all be equipped with first spout on two loading boards, install first slider in the first spout, be fixed with the baffle between two first sliders jointly, equidistant a plurality of dogs that are fixed with on the baffle.

Preferably, adjusting device is including installing the servo motor in fixed plate upper end one side, the second gear has been cup jointed in the rotation on servo motor's the output shaft, it is connected with the screw rod to rotate jointly on the relative lateral wall of placing the intracavity, it has cup jointed first gear to rotate on the screw rod, and first gear and second gear intermeshing, be equipped with two third spouts on the fixed plate, install two third sliders in the third spout, the upper end of two third sliders is fixed with the movable plate jointly, the movable plate screw thread cup joints on the screw rod, the upper end both sides of movable plate all are fixed with the connecting plate, the lower extreme at the second slider is all fixed to the upper end of two connecting plates.

Preferably, all be equipped with two jacks on the one end lateral wall in two first spouts, all be equipped with the screw blind hole on two first sliders, run through in one of them jack and be equipped with the screw, the one end of screw extends to in the screw blind hole.

Preferably, a second inclined plate is fixed at one end of the training plate, a limiting plate is fixed at the other side of the supporting plate, and one end of the second inclined plate is fixed on the limiting plate.

Preferably, the connecting web is elastic.

Preferably, the mounting plates are fixed on both sides of the upper end of the support plate.

Preferably, the training board is equidistantly provided with a plurality of through holes, and the through holes and the stop blocks are correspondingly arranged.

Preferably, the four corners of the lower end of the box body are all fixed with rollers.

Preferably, one end of the box body is hinged with a cover.

Compared with the prior art, the invention has the beneficial effects that:

1. the angle of the training plate is adjusted through the matching among the training plate, the baffle and the adjusting device, so that the aim of training athletes at different angles is fulfilled, the athletes can adjust at any time according to the physical ability of the athletes and the requirements during training, the requirements of different training personnel are met, and the level is improved;

2. through the matching among the second inclined plate, the first inclined plate and the connecting net, tennis balls fall into the connecting net through the first inclined plate or the second inclined plate, the purpose of tennis ball collection is achieved, long-time tennis ball collection of athletes is not needed during training, and the athletes can train intensively;

to sum up, this device training condition is various, can adjust according to sportsman's self defect, and adjusting device can adjust the angle of training board at will to change the track of ball operation, improve sportsman's reaction ability, still set up the through-hole of different diameters on the training board simultaneously, accuracy when sportsman can train the batting, thereby improve from physical ability when training to the sportsman of difference, make the posture of self more standard.

Drawings

FIG. 1 is a side view of a physical training device for tennis teaching according to the present invention;

FIG. 2 is a front view of a physical training device for tennis teaching according to the present invention;

FIG. 3 is a top view of a physical training device fixing plate for tennis teaching according to the present invention

Fig. 4 is a schematic structural view of the physical training device for tennis teaching according to the present invention between two mounting rods.

In the figure: the device comprises a sealing cover 1, a partition plate 2, rollers 3, a connecting plate 4, a fixing plate 5, a screw 6, a first gear 7, a push rod 8, a second slide block 9, a training plate 10, an installation rod 11, a first sliding chute 12, a bearing plate 13, a baffle plate 14, a baffle plate 15, a first slide block 16, a first inclined plate 17, an installation plate 18, a connecting rod 19, a limiting plate 20, a connecting net 21, a box 22, a through hole 23, a third sliding chute 24, a servo motor 25, a second gear 26, an opening 27, a moving plate 28, a supporting plate 29 and a second inclined plate 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the description thereof; the embodiments are only a part of the embodiments of the present invention, and not all of them.

Referring to fig. 1-4, a physical training device for tennis teaching comprises a box body 22, wherein one end of the box body 22 is hinged with a sealing cover 1, opposite side walls in the box body 22 are jointly fixed with a partition plate 2, the box body 22 is divided into a collecting cavity and a placing cavity by the partition plate 2, the collecting cavity is used for placing and collecting tennis balls, the tennis balls are prevented from scattering over the ground, inconvenient collection is achieved, and labor intensity of workers is reduced, opposite side walls in the placing cavity are jointly fixed with a fixing plate 5, an adjusting device is arranged on the fixing plate 5, two second sliding grooves are formed in the top of the placing cavity, the bottoms of the two second sliding grooves are arranged in a penetrating mode, second sliding blocks 9 are arranged in the second sliding grooves and connected with the two second sliding blocks 9, push rods 8 are rotatably connected to the two second sliding blocks 9, the adjusting device adjusts movement of the two second sliding blocks 9, and accordingly adjusts rotation of, thereby adjusting the rotation angle of the whole training board 10, controlling the rebound direction of the ball and improving the reaction capability of athletes;

referring to fig. 1-2, two sides of the upper end of a box body 22 are respectively fixed with a connecting rod 19, one end of each connecting rod 19 is respectively rotatably connected with an installation rod 11, the upper ends of two push rods 8 are respectively rotatably connected with the other side of the installation rod 11, the push rods 8 facilitate the rotation of the installation rods 11, one side of the upper ends of the two installation rods 11 is jointly fixed with a training plate 10, one end of the training plate 10 is fixed with a second inclined plate 30, the other side of a support plate 29 is fixed with a limiting plate 20, one end of the second inclined plate 30 is fixed on the limiting plate 20, a support plate 29 is jointly fixed between the other ends of the two installation rods 11, two sides of the upper end of the support plate 29 are respectively fixed with a mounting plate 18, the mounting plate 18 can prevent tennis balls from falling into a collection cavity through an opening 27, the support plate 29 is provided with an opening 27, the, the connecting net 21 has elasticity, the elasticity can ensure that when the two mounting rods 11 rotate, tennis balls fall into the collecting cavity through the connecting net 21, the lower end of the connecting net 21 is fixed on the box body 22, the upper end of the connecting net 21 corresponds to the opening 27, the lower end of the connecting net 21 corresponds to the conveying port, one side of the supporting plate 29 is fixed with a first inclined plate 17, balls passing through the through holes 23 in the training plate 10 fall onto the first inclined plate 17, and then fall into the opening 27 in the supporting plate 29 and fall into the collecting cavity, the first inclined plate 17 is fixed with the bearing plates 13, one ends of the two bearing plates 13 are respectively fixed on two sides of the training plate 10, the positions of the bearing plates 13 are adjusted according to the through holes in the training plate 10, the stop blocks 15 on the bearing plates 13 are ensured to be correspondingly arranged with the through holes, and the bearing plates 13 stabilize and support the first inclined plate 17 and the training plate 10;

referring to fig. 1-2, all be equipped with first spout 12 on two loading boards 13, install first slider 16 in the first spout 12, be fixed with baffle 14 jointly between two first sliders 16, equidistant a plurality of dogs 15 of being fixed with on baffle 14, equidistant a plurality of through-holes 23 of being equipped with on training board 10, the setting of through-hole 23, accuracy when playing the ball can be improved, and the direct difference of through-hole 23, improve the batting degree of difficulty, and through-hole 23 and dog 15 correspond the setting, when not passing through-hole 23, can use dog 15 to plug up through-hole 23, make things convenient for the sportsman to select, the lower extreme four corners of box 22 all is fixed with gyro wheel 3, gyro wheel 3 makes things convenient for the removal of whole box 22.

Referring to fig. 1-3, the adjusting device includes a servo motor 25 mounted on one side of the upper end of the fixed plate 5, a second gear 26 is rotatably sleeved on an output shaft of the servo motor 25, a screw rod 6 is rotatably connected to opposite side walls of the placing cavity, the servo motor 25 controls the screw rod 6 to rotate left and right, so as to control the left and right movement of the moving plate 28, the screw rod 6 is rotatably sleeved with a first gear 7, the first gear 7 and the second gear 26 are engaged with each other, two third sliding grooves 24 are provided on the fixed plate 5, two third sliding blocks are mounted in the third sliding grooves 24, the upper ends of the two third sliding blocks are jointly fixed with the moving plate 28, the third sliding blocks facilitate one end of the moving plate 28, the movement of the moving plate 28 is controlled by the rotation of the servo motor 25, the moving plate 28 is threadedly sleeved on the screw rod 6, the two sides of the upper end of the moving plate 28 are, can be according to the demand when using, open servo motor 25 always, the angle of continuous regulation training board 10 also can directly be adjusted to suitable angle simultaneously and train, and servo motor 25 and screw rod 6's cooperation can control training board 10 pivoted angle.

Referring to fig. 1-3, two jacks are respectively arranged on the side wall of one end in each of the two first sliding grooves 12, threaded blind holes are respectively arranged on the two first sliding blocks 16, a screw penetrates through one of the jacks, one end of the screw extends into the threaded blind hole, and the first sliding block 16 can be fixed by the screw, so that the baffle 14 is fixed, the position of the baffle 14 can be adjusted at any time, and the operation is convenient.

In the invention, when training tennis, the whole device is firstly pushed down to the position to be trained, two screws on the bearing plate 13 are screwed out, the baffle plate 14 is moved, the stop block 15 on the baffle plate 14 is moved into the corresponding through hole 23 on the training plate 10, at the moment, the training is usually carried out, the tennis is played, after the training is carried out to a certain degree, the baffle plate 14 is moved, the stop block 15 is moved out from the through hole 23, at the moment, the training is carried out, the tennis passes through the through holes 23 with different apertures, the accuracy of a trainer can be improved due to the different apertures of the through holes 23, meanwhile, the tennis passing through the through hole 23 falls into the opening 27 on the supporting plate 29 through the first inclined plate 17, the tennis is placed in the screw box body 22 through the connecting net 21 without being specially collected by a worker, at the same time, the inclination angle of the training plate 10 can be adjusted during the training, at the moment, the servo, first gear 7 belt is coupled to screw rod 6 and is rotated, screw rod 6 control movable plate 28 removes, movable plate 28 drives two connecting plates 4 and moves, connecting plate 4 drives second slider 9 and moves, second slider 9 drives push rod 8 and moves, the one end of installation pole 11 is controlled to push rod 8, thereby control the angle of training board 10, when the angle of training board 10 changes, the through-hole of training board 10 and the reflection angle of ball all can change, it is more accurate to need training personnel's posture, and because the angle of training board 10 changes, can improve training personnel's instant reaction ability and concentrated power, long-time training, improve training personnel's physical stamina.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a physical training device is used in tennis teaching, includes box (22), its characterized in that: the box body (22) is divided into a collection cavity and a placement cavity by the partition plates (2), the opposite side walls in the placement cavity are jointly fixed with fixing plates (5), the fixing plates (5) are provided with adjusting devices, the top in the placement cavity is provided with two second sliding chutes, the bottoms in the two second sliding chutes are arranged in a penetrating manner, second sliding blocks (9) are installed in the second sliding chutes, the adjusting devices are connected with the two second sliding blocks (9), and push rods (8) are rotatably connected on the two second sliding blocks (9);

the upper end of the box body (22) is fixedly provided with connecting rods (19) on two sides, one end of each connecting rod (19) is rotatably connected with an installation rod (11), the upper ends of the two push rods (8) are rotatably connected with the other side of the installation rod (11), one side of the upper end of each installation rod (11) is fixedly provided with a training plate (10), a support plate (29) is fixedly arranged between the other ends of the two installation rods (11), the support plate (29) is provided with an opening (27), the box body (22) is provided with a conveying port corresponding to the opening (27), the lower end of the support plate (29) is fixedly provided with a connecting net (21), the lower end of the connecting net (21) is fixedly arranged on the box body (22), the upper end of the connecting net (21) corresponds to the opening (27), the lower end of the connecting net (21) corresponds to the conveying port, one side of the support plate (29) is fixedly provided with a first inclined, bearing plates (13) are fixed on the first inclined plate (17), and one ends of the two bearing plates (13) are respectively fixed on two sides of the training plate (10);

all be equipped with first spout (12) on two loading boards (13), install first slider (16) in first spout (12), be fixed with baffle (14) jointly between two first slider (16), equidistant a plurality of dogs (15) of being fixed with on baffle (14).

2. The physical training device for tennis teaching according to claim 1, wherein the adjusting device comprises a servo motor (25) installed on one side of the upper end of the fixed plate (5), the output shaft of the servo motor (25) is rotatably sleeved with a second gear (26), the opposite side walls of the placing cavity are rotatably connected with a screw (6) together, the screw (6) is rotatably sleeved with a first gear (7), the first gear (7) and the second gear (26) are engaged with each other, the fixed plate (5) is provided with two third sliding chutes (24), the third sliding chutes (24) are internally provided with two third sliding blocks, the upper ends of the two third sliding blocks are jointly fixed with a connecting plate (28), the moving plate (28) is threadedly sleeved on the screw moving plate (6), and both sides of the upper end of the moving plate (28) are fixed with connecting plates (4), the upper ends of the two connecting plates (4) are fixed at the lower end of the second sliding block (9).

3. The physical training device for tennis teaching according to claim 1, wherein two insertion holes are formed in the side wall of one end of each of the two first sliding grooves (12), two blind threaded holes are formed in each of the two first sliding blocks (16), a screw is inserted into one of the insertion holes, and one end of the screw extends into the blind threaded hole.

4. The physical training device for tennis teaching according to claim 1, wherein a second inclined plate (30) is fixed to one end of the training plate (10), a limiting plate (20) is fixed to the other side of the supporting plate (29), and one end of the second inclined plate (30) is fixed to the limiting plate (20).

5. The physical training device for tennis teaching according to claim 1, wherein said connecting net (21) is stretchable.

6. The physical training device for tennis teaching according to claim 1, wherein the mounting plate (18) is fixed to both sides of the upper end of the support plate (29).

7. The physical training device for tennis teaching according to claim 1, wherein the training board (10) has a plurality of through holes (23) at equal intervals, and the through holes (23) are disposed corresponding to the stoppers (15).

8. The physical training device for tennis teaching as claimed in claim 1, wherein the rollers (3) are fixed at four corners of the lower end of the box (22).

9. Physical training device for tennis teaching according to claim 1, wherein one end of the box (22) is hinged with a cover (1).