KR200465136Y1

KR200465136Y1 - The device for exercising tennis

Info

Publication number: KR200465136Y1
Application number: KR2020120012010U
Authority: KR
Inventors: 조남선
Original assignee: 조남선
Priority date: 2012-12-20
Filing date: 2012-12-20
Publication date: 2013-02-19

Abstract

The present invention relates to a tennis exerciser.
The tennis exerciser of the present invention has a court support frame which is inclinedly fixed through a pair of support frames which are fixed to upper ends of the left and right leg portions spaced apart from each other, and a striking portion to which the court is fixed to the court support frame; A return unit for moving the tennis ball striking the striking court upward and extending from the upper end of the striking unit and falling toward the lower ball outlet side along a curved surface of which the front face is closed by a cover; The cardboard frame for holding and supporting the rebound plate for rebound moving the tennis ball dropped downward from the ball outlet to the same position hit by the user can be rotated up and down on the coat fixing bar installed on the center side of the support frame by the clamp It is fixed so as to, the swing swing practice function for the tennis ball rebounded by the rebound plate in the upward rotation of the cardboard paper frame, the stroke swing exercise for the tennis ball rebounded by the rebound plate in the downward rotation of the cardboard paper frame It includes a bounce portion to perform a function, the rebound plate is coupled by a hinge shaft to be able to rotate up and down from the cardboard frame, one side of the rebound plate is dropped through the ball outlet in accordance with the inclination angle of the installation bottom surface Recoil to adjust the protruding length of the recoil plate according to the drop distance of the tennis ball being It characterized in that the plate length adjustment portion is further provided.

Description

Tennis exerciser {The device for exercising tennis}

The present invention relates to a tennis exerciser, more specifically, can be installed indoors or outdoors to practice tennis swings alone without a partner, and also to repeatedly hit the tennis ball in a constant direction to practice repeated tennis swings It is about one tennis exerciser.

In general, tennis has been spotlighted in the improvement of personal fitness and hobbies, but to practice tennis, a separate tennis court with a tennis court in a large space was required. As a result, a lot of restrictions are becoming a factor in which tennis is not widely distributed to the general public.

In addition, in order to practice tennis, you need a partner to receive the hit ball, so you can not practice alone, and in order to solve the above problems, the user swings the tennis ball hit the tennis racket again to the user "Tennis swing exerciser (patent registration number 10-0860881 (prior art 1), utility model registration number 20-0449519 (prior art 2))" having a function of returning has been proposed. All of the prior art the same configuration, that is, when the user hits the tennis ball toward the court body (court seat), the tennis ball hit the court body (court seat) and through the moving passage through the return frame (turning unit) tennis ball Direction is returned downward to flow into the closed space forming the tennis ball return unit (rebounder), and then open at the bottom of the tennis ball return unit (rebounder) It is discharged to the coat body (coat sheet) through the (discharge port) and at the same time hits the recoil member (bounce plate) installed on the lower surface of the coat body (coat sheet) and then bounces by the repulsive force, the user bounces as described above It is structured to repeat swing practice such as hitting the right tennis ball again with a racket.

In the case of the conventional tennis swing exerciser (prior art 1,2) configured as described above, the court body (court seat) and the rebound member (bounce plate) fixed through the support frame are separated from each other, and the lower surface of the court body (court seat) Recoil member (bounce plate) is installed separately, the cardboard frame for fixing the reaction member (bounce plate), that is, the reaction plate (string plate) to the lower end of the support frame to which the coat body (coat sheet) is clamped Volley swing practice for the tennis ball repulsed by the recoil plate (string plate) in the upward rotation of the cardboard frame frame because there is no characteristic structure that is connected by the upper and lower rotation is none To the contrary, when the downward rotation of the cardboard frame frame will be repelled by the reaction plate (string plate) There was a problem that tennis swing practice is very limited, such as repeatedly unable to practice the functional swing often used in tennis games, such as performing the stroke swing practice for the ball.

In addition, in the case of the conventional tennis swing exerciser (prior art 1,2), the bottom surface of the ground on which the tennis swing exerciser is installed while being fixedly supported at both ends of the cardboard frame through a hinge shaft on one side of the recoil plate (string plate). Adjusting the recoil plate length to adjust the protruding length of the recoil plate (string plate) back and forth according to the change of the drop distance of the tennis ball falling through the opening part (discharge port) of the tennis ball return part (rebounder) when it is inclined. As there is no additional structure, the tennis swing exerciser can never be installed where the bottom of the ground is inclined as described above, and there is a lot of restrictive requirements such as not being able to practice tennis swing freely on the slope. There was too.

In addition, in the case of the conventional tennis swing exerciser (prior art 1 and 2), there is no ball escape prevention network that prevents the tennis ball from escaping to the outside of the court body (court seat) on both sides of the court body (court seat). Since the impact strength of the tennis ball hit by the user or the tennis ball hit by the user is formed on both sides of the court body (court seat), the impact force of the tennis ball due to the hit cannot be overcome and the court body (court The seat) is inclined to one side or both sides are bent and the tennis ball is detached to the outside, and, as described above, when the tennis ball is detached to the outside, there is also a troublesome problem such that the user has to go to collect it one by one.

Furthermore, in the case of the conventional tennis swing exerciser (prior art 1 and 2), the inclination angle of the court support frame is arbitrarily adjusted from the pair of support frames fixed to the upper ends of the left and right leg portions, and the top of the court support frame. Since the rotating ratchet for rotating the tennis ball return unit (rebounder) bolted up and down individually has no structure, between the pair of support frames to adjust the inclination angle of the court support frame. In addition to the hassle of rotating the court support frame, the court body (court seat), and the tennis ball return part (rebounder) assembled in one bundle to be able to rotate, the weight is also heavy so that it can be It was also difficult to adjust the inclination angle of the coat support frame frequently.

The present invention devised to solve the conventional problems as described above, can be installed indoors or outdoors to practice the tennis swing alone without a partner, and also to ensure that the hit tennis ball is always returned to a constant direction repetitive tennis swing Its purpose is to allow practice to take place.

In addition, in the case of the present invention by applying a rotary ratchet to one or both ends of the return portion of the tennis exerciser, as in the prior art arbitrarily adjust the inclination angle of the court support frame from a pair of support frames fixed to the upper end of the leg portion spaced to both sides Compared to the conventional method, the angle of rotation of the tennis ball discharged and dropped from the ball outlet of the bounce part to the rebound plate side of the bounce part is more easily adjusted by adjusting the angle of rotation of the return part through the ratchet. Recoil distance is another purpose to increase the swing practice effect by adjusting to the user set random conditions.

And, in the case of the present invention by installing a cardboard paper frame for fixing the bounce part, that is, the recoil plate fixed to the goth fixing bar installed on the center side of the support frame for supporting the striking part of the tennis exerciser, so that the upper and lower pivots, Perform volley swing practice on the tennis ball rebounded by the rebound plate when the cardboard frame is rotated upward, and perform stroke swing exercise on the tennis ball rebounded by the rebound plate when the cardboard frame is rotated downward. Functional swings, which are often used in tennis games, also have another purpose.

In addition, in the case of the present invention by configuring the recoil plate length adjustment portion on one side of the rebound plate, which is a component of the bouncer part of the tennis exerciser, when the installation floor surface on which the tennis exerciser is installed is inclined at the inclination angle of the installation floor surface Accordingly, according to the change of the fall distance of the tennis ball falling through the ball discharge port of the return portion through the recoil plate length adjustment unit to adjust the protruding length of the recoil plate freely to practice the tennis swing regardless of the slope There is this.

In addition, in the case of the present invention by installing the ball escape prevention nets on both sides of the hitting court, which is a component of the hitting part of the tennis exerciser, it is possible to prevent the tennis ball from escaping the outside of the hitting court according to the hitting strength or direction of the user There is another purpose.

Tennis exerciser of the present invention for solving the above object is provided with a court support frame that is inclined fixed through a pair of support frames are fixed to the upper end of the leg portion spaced to both left and right sides, and a hitting coat on the court support frame A fixed hitting part; A return unit for moving the tennis ball striking the striking court upward and extending from the upper end of the striking unit and falling toward the lower ball outlet side along a curved surface of which the front face is closed by a cover; The cardboard frame for holding and supporting the rebound plate for rebound moving the tennis ball dropped downward from the ball outlet to the same position hit by the user can be rotated up and down on the coat fixing bar installed on the center side of the support frame by the clamp It is fixed so as to, the swing swing practice function for the tennis ball rebounded by the rebound plate in the upward rotation of the cardboard paper frame, the stroke swing exercise for the tennis ball rebounded by the rebound plate in the downward rotation of the cardboard paper frame It includes a bounce portion to perform a function, the rebound plate is coupled by a hinge shaft to be able to rotate up and down from the cardboard frame, one side of the rebound plate is dropped through the ball outlet in accordance with the inclination angle of the installation bottom surface Recoil to adjust the protruding length of the recoil plate according to the drop distance of the tennis ball being It characterized in that the plate length adjustment portion is further provided.

In addition, both sides of the hitting court to be fixed to the court support frame is characterized in that the ball escape prevention net for preventing the escape to the outside of the hitting court according to the hitting strength or hitting direction for the tennis ball.

According to the present invention, it can be installed indoors or outdoors to practice tennis swing alone without a partner, and also has excellent effects such that repeated tennis swing practice can be performed by returning the hit tennis ball to a certain direction at all times. have.

In addition, by applying the rotation ratchet to one or both ends of the return portion of the tennis exerciser of the present invention by adjusting the angle of rotation of the return portion through the rotation ratchet discharge of the tennis ball discharged to the bounce plate side of the bounce portion from the return outlet While adjusting the angle more easily, the recoil height and the recoil distance of the tennis ball may also be adjusted to suit the user's arbitrary situation, thereby increasing the swing practice effect.

In addition, the plate is installed on the goth fixing bar installed on the center side of the support frame for supporting the striking part of the tennis exerciser of the present invention by installing a cardboard frame for fixing the bounce part, that is, the recoil plate, to be able to rotate up and down through the clamp. Functional swings frequently used in tennis games can also be performed repeatedly, such as selectively performing ball swing or stroke swing exercises for the tennis ball rebounded by the recoil plate as the support frame moves up or down. There is also.

In addition, according to the inclination angle of the installation floor surface when the installation floor surface is installed inclined by the recoil plate length control unit on one side of the reaction board of the bouncer of the tennis exerciser of the present invention is installed It is also possible to freely practice tennis swing regardless of the slope, such as adjusting the protrusion length of the recoil plate through the recoil plate length adjusting unit in accordance with the drop distance of the tennis ball falling through the ball discharge port of the return part. .

In addition, by installing the ball escape prevention nets on both sides of the hitting court, which is a component of the hitting part of the tennis exerciser of the present invention, there is also an effect that can prevent the tennis ball from escaping the outside of the hitting court according to the hitting strength or direction of the user. .

1 is a perspective view schematically showing a tennis exerciser of the present invention.
Figure 2 is an exploded view of the tennis exerciser for the present invention.
Figure 3 is a detailed view of the hitting portion of the tennis exerciser for the present invention.
Figure 4 is an exploded view of the return unit of the tennis exerciser according to the present invention.
5 is yet another embodiment of the return unit shown in FIG. 4;
Figure 6 is a detailed view of the exploded view of the bounce part and the recoil plate length adjustment unit formed on one side of the rebound plate of the tennis exerciser for the present invention.
Figure 7a to 7c is a state diagram showing the operation process for the tennis exerciser of the present invention.

The tennis exerciser of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view schematically showing a tennis exerciser of the present invention, Figure 2 shows an exploded view of the tennis exerciser for the present invention, Figure 3 shows a detailed view of the hitting part of the tennis exerciser for the present invention.

In addition, Figure 4 shows an exploded view and cross-sectional detail of the return portion of the tennis exerciser according to the present invention, Figure 5 shows another embodiment of the return portion shown in Figure 4, Figure 6 is a tennis exerciser for the present invention It shows a detailed view of the exploded view of the bounce portion and the recoil plate length control unit formed on one side of the recoil plate.

Tennis exerciser (1) of the present invention is installed indoors or outdoors to practice the tennis swing alone without a partner, so that the hitting tennis ball is always returned to a certain direction to repeat the tennis swing practice, large diagram 1 to 2 as shown in the coat support frame 11 which is inclined fixed through a pair of support frame 12 is fixed to the upper end of the leg portion 13 spaced to both sides left and right, the coat support A blow part 10 to which the blow coat 20 is fixed to the frame 11; Bolted to the upper end of the court support frame 11, respectively, the tennis ball hitting the striking court 20 is moved upward and downward along the curved portion 31 extending from the top of the striking portion 10 A return unit 30 which has a sealed inner space in communication with the curved portion 31 and falls to the collecting cylinder 33 in which a ball discharge port 36 is formed at a lower side thereof; The cardboard frame 41 is fixed to the rebound plate 45 for moving the tennis ball dropped downward from the ball discharge port 36 to the same position where the user strikes the support frame (clamp 42). 12) is fixed to the court fixing bar (16) installed on the center side of the upper and lower rotation, volley swing practice for the tennis ball is rebounded by the reaction board 45 when the cardboard frame frame 41 upward rotation It is configured to include a bounce portion 40 to perform the function, and on the contrary to the stroke swing exercise function for the tennis ball rebounded by the reaction plate 45 when the cardboard frame frame 41 is rotated downward.

Here, the cardboard plate 45 is coupled by the hinge shaft 44 to be able to rotate up and down from the cardboard frame 41, one side of the reaction board 45 in accordance with the inclination angle of the installation bottom surface A recoil plate length adjusting unit 47 is formed to adjust the protruding length of the recoil plate 45 to change the drop distance of the tennis ball falling through the ball discharge port 36. Reference numeral 47 will be described in detail in the bounce unit 40 described below.

In the case of the hitting portion 10 of the tennis exerciser 1 of the present invention configured as described above, as shown in FIG. and; A pair of coat support frames 11 fixedly inclined through the support frame 12; It consists of a blow coat 20 is fixed to the coat support frame 11, wherein the support frame 12 and the coat support frame 11 is made of a hollow circular pipe, of the support frame 12 Both ends are fixed to the leg portion 13 made of a square pipe and the coat support frame 11 bent inclined in a form similar to "a" or "b".

In addition, the front and rear ends of the leg 13, the caster 14 for easily moving the tennis exerciser (1) to the desired place, and to secure the tennis exerciser (1) to the moved place stably. Rubber and synthetic resin high information 15 is fixed for installation.

In addition, in the case of the blow coat 20, the material may be formed of a tent sheet formed of a mesh or tarpaulin formed of cloth or nonwoven fabric, wherein the impact force when the tennis ball collides with the blow coat 20 It is preferable to use a mesh in order to absorb the noise to minimize the noise, the upper end of the blow coat 20 is connected to the inner lower end of the curved portion 31 which is a component of the return portion 30 The lower end of the blow coat 20 is connected to both ends of the coat fixing bar 16 installed at the center side of the support frame 12, which is a component of the blow unit 10, wherein the top of the blow coat 20 When the tennis ball collides with the striking court 20 as a means for connecting the lower end, the rubber band 22 is used to absorb the impact by the elastic force to reduce the noise, but a strap or the like may be used in some cases.

In addition, both sides of the hitting coat 20 fixed to the court support frame 11 is connected to the ball escape prevention net 21 in the form of a net, which is the strength or hitting direction for the tennis ball hit the user In order to prevent the tennis ball from escaping to the outside through both sides of the open hitting court 20, in the case of the ball escape prevention net 21 also a rubber band (not shown) on the court support frame (11) Is fixed via a fixed ring (not shown) or connected directly.

In addition, the center of the batting court 20 is displayed a plurality of water droplet-shaped batting point 24 inside the square shape of the tennis court on the other side, the net line 23 is displayed on the lower end of the batting court 20 Although the color of the hitting point 24 and the net line 23 is displayed in a prominent color such as white, it is preferable to display it as a fluorescent paint rather than a fluorescence for use without any problem at night. The reason for displaying the striking point 24 and the net line 23 on the striking court 20 is that, when the user hits the tennis ball with the racket, so as to hit the upper side of the net line 23 as in a real game. In addition, to check the accuracy of the swing while watching whether the hit tennis ball hit the hitting point (24).

In addition, in the case of the return unit 30 of the tennis exerciser 1 of the present invention, the tennis ball bolted to the upper end of the pair of court support frames 11 is hit upwards and hits the hitting court 20 at the same time. A collecting cylinder in which a ball discharge port 36 is formed at the lower side while having a closed inner space communicating downward with the curved portion 31 extending from the upper end of the hitting portion 10 and communicating with the lower end of the curved portion 31 ( 33) as an element to fall to the side, as shown in Figure 4 to the upper surface of the lower surface of the curved surface portion 31 in communication with the curved surface 31, the upper and lower narrow structure of the upper and lower narrow trapezoidal The collecting tube 33 is connected, in which case the curved portion 31 is formed in a semicircle with an open bottom, and the bottom rear surface of the curved portion 31 strikes the striking coat 20. Tennis ball moved upward by the curved portion 31 inside The inlet is formed to be opened to flow smoothly, and the lower front surface of the curved portion 31 has a tennis ball introduced into the curved portion 31 returned downward along the radius of curvature of the curved portion 31. To form an outlet in communication with the collecting cylinder 33 to flow into the collecting cylinder 33. Reference numeral 32 denotes a net 32 installed in the curved portion 31.

In addition, in the case of the collecting tube 33 as described above, the tennis ball is introduced into the collecting tube 33 while the inlet is opened so as to communicate with the outlet formed on the lower front surface of the curved portion 31. 36 is formed in the form of a box having a top and bottom narrow structure having an inner space that is closed with a cover 34 so that the front is smoothly transported, wherein the ball outlet 36 is a hollow rectangular cylinder shape. As one or more, that is, preferably two are spaced apart from each other, the co-discharge port 36 may be formed integrally on the outlet side of the collecting cylinder 33 or formed in a removable structure fastened with a screw. Make sure you know.

Furthermore, a buffer for guiding the tennis ball introduced into the return unit 30 to one of the ball outlets 36 corresponds to the inlet end of each ball outlet 36 between the inlet ends of the ball outlets 36. Guide member 35 is provided, wherein the buffer guide member 35 is a cushioning action in the process of the tennis ball introduced into the collecting cylinder 33 through the curved portion 31 to the ball discharge port 36 side It is formed of a soft material such as rubber or silicone so as not to bounce in the reverse direction, the shape and structure of the buffer guide member 35 is a triangular structure, or a circular protrusion protrudes integrally on the hollow triangular protrusion on the inside. It is known that it can be formed in various shapes or structures, such as a shock absorber, which achieves a shock absorbing effect by using a spring, oil, and pneumatic pressure.

Meanwhile, as shown in FIG. 5, one end of the semi-circular curved portion 31 of the elements constituting the return portion 30, that is, the return portion 30, which is bolted to the upper end of the pair of coat support frames 11. Alternatively, the male and female gears are interlocked with each other in an inscribed manner at both ends, and a rotatable ratchet 37 is installed to adjust the angle of rotation of the return unit 30 through the rotatable ratchet 37, thereby allowing the left and right sides to be rotated. Compared to the conventional method in which the inclination angle of the coat support frame 11 is arbitrarily adjusted from the pair of support frames 12 fixed to the upper ends of the leg portions 13 spaced apart by the co-discharge outlet 36 of the return unit 30. ) Can be more easily adjusted the discharge angle of the tennis ball discharged to the reaction board 45 side of the bounce unit 40, the recoil height and the recoil distance of the tennis ball is also adjusted according to the user-specified situation Swing effect Characteristic effects such as increase can be obtained.

Next, in the case of the bounce part 40 of the tennis exerciser 1 of the present invention, as shown in FIG. 6, the user hits a tennis ball dropped downward from the ball outlet 36 of the return part 30. The cardboard frame 41 fixedly supporting the reaction plate 45 for moving back to the same position is rotated up and down to the coat fixing bar 16 installed on the center side of the support frame 12 by the clamp 42. As a fixed structure, the volley swing practice function for the tennis ball rebounded by the recoil plate 45 during the upward rotation of the cardboard frame 41, and, conversely, the downward rotation of the cardboard frame 41. Cyen recoil plate 45 is to perform the stroke swing practice function for the tennis ball rebounded.

In the case of the cardboard frame 41 of the bounce portion 40, the entire shape is bent in a? -Shape while both ends are fixed to the reaction plate 45 to be rotated up and down through the hinge shaft 44 coupling It is bent in the shape of a?, The through-hole for inserting the male screw (43a) of the handle 43 to the clamp 42, that is, one side is cut off and abutting on both sides of the top of the cardboard frame 41 ( 42a) is formed, and one side is cut through the screw tightening action by rotating the handle 43, such as screwed between the male screw 43a protruding to the bottom of the through hole 42a and the coupling nut 43b. As the 42 is tightened with each other, it is fixed to the coat fixing bar 16 installed at the center of the support frame 12.

In addition, in the case of the rebound plate 45 of the bounce portion 40, as well as the ball discharge port 36 installed at the exit side of the collecting cylinder 33 of the return unit 30 spaced from each other, at least one, that is, In this case, the two recoil plate 45 is two co-discharge outlets 36 and one recoil plate 45 and the co-discharge hole 36 correspond to each other on the same line, respectively. In addition, the overall structure of the reaction board 45 is formed in the form of a square plate with an open center, and at the same time, an elastic portion 46 in which a string is woven in a mesh form, such as a tennis racket, is installed in the open central hole.

In addition, one side surface of each reaction plate 45 corresponding to both ends of the cardboard frame frame 41 is formed with a reaction plate length adjusting portion 47, as shown in Figure 6 (b), In this case, the recoil plate length adjusting unit 47 has a plurality of through-holes having the same size for inserting the hinge shaft 44 at equal intervals along the longitudinal direction of the recoil plate 45, as described above. In the case where the reaction plate length adjusting unit 47 is formed and used on one side of each reaction plate 45, tennis falls through the ball outlet 36 of the return unit 30 according to the installation floor surface, that is, the inclination angle of the ground. Characteristic effects such as freely performing tennis swing exercises can be obtained regardless of slope, such as adjusting the protruding length of the recoil plate 45 through the recoil plate length adjusting unit 47 according to the drop distance of the ball. have.

7a to 7c is a state diagram showing the operation process for the tennis exerciser of the present invention.

First, as a tennis swing practice process using the tennis exerciser (1) of the present invention, in the state where the tennis exerciser (1) of the present invention is installed as shown in FIG. When hitting the center portion of the hitting sheet of the hitting portion 10, as shown in Figure 7a, the tennis ball hitting the hitting court 20 is moved upwards and at the same time the return portion 30, that is, the hitting portion 10 Return downward along the curved portion 31 extending from the upper end of the drop 31 to fall into the collecting cylinder 33 having a ball discharge port 36 formed at the lower side while having a closed inner space communicating with the curved portion 31. The tennis ball dropped as described above is installed between the outlet side of the collecting tube 33 and the two inlet ends of the two ball outlets 36 respectively corresponding to the inlet end of each of the ball outlets 36, and is returned to the return unit 30. Discharge the tennis ball into the Through the shock absorbing action by the shock-absorbing guide member 35, which guides the guide to be guided to 36, guided to one of the two co-outlets 36 as described above to guide the corresponding co-outlets 36. It is discharged to the outside and at the same time falls downward.

And, as described above, the tennis ball discharged through the ball discharge port 36 is dropped downward, the reaction plate 45, that is, the clamp is positioned on the same line to correspond to each other the ball discharge port 36, the tennis ball is dropped Both ends of the cardboard frame frame 41 fixed to the coat fixing bar 16 installed on the center side of the support frame 12 through the 42 are independently coupled to the hinge shaft 44 to be rotated up and down independently. Falling hitting to the resilient portion 46 of the recoil plate 45 and at the same time through the repulsive force of the resilient portion 46 bounces back to the rebound height of the same position hit by the user again such that the user hits again Through the process, the user can repeatedly perform the tennis swing exercises.

Next, as a volley and stroke practice process that is a functional swing of tennis using the tennis exerciser 1 of the present invention, in order to practice the ballless swing first, as shown in FIG. 7B, the hitting part of the tennis exerciser 1 of the present invention. The bounce portion 40 fixed by the clamp 42 is fastened to the goth fixing bar installed at the center of the support frame 12 supporting the 10, ie, the grip 43 of the clamp 42 is released. After rotating the cardboard frame 41 to support the fixed backing plate 45, the pivoting plate 45 is rotated horizontally independently of the cardboard frame 41 with the hinge axis 44 as a point. While rotating the cardboard frame 41 in the up state and at the same time fixed by turning the handle 43 of the clamp 42, the clamping force released is reversed, the user moves the tennis ball to the center of the batting seat of the tennis exerciser (1) When hit, the same as in Figure 7a As the tennis ball striking the blow court 20 is moved upward and returned downward along the curved portion 31 to fall into the collecting cylinder 33, the tennis ball dropped as described above is the collecting cylinder 33 ) Guided to any one of the two ball outlets 36 through a buffer action by the collision with the buffer guide member 35 installed between the outlet side and the inlet end of the two ball outlets 36 respectively corresponding to the outlet It is discharged to the outside through the corresponding air outlet 36 and at the same time falls to the recoil plate 45 of the bounce portion 40 located below the same line as the corresponding air outlet 36, the center of the support frame 12 Resilient part of the recoil plate 45 pivoted upward with the cardboard frame 41 with the goth fixing bar installed on the side, that is, horizontally rotated independently of the cardboard frame 41 ( 46 falls and strikes at the same time the elastic portion 46 By adding the height of the cardboard frame 41 is upwardly rotated through the force, the user bounces higher than that shown in FIG. 7A, and the user repeatedly performs a volley swing practice such as re-hit while jumping a volley swinging tennis ball. You can do it.

On the contrary, in order to practice the stroke swing using the tennis exerciser 1 of the present invention, as shown in FIG. 7C, the center of the support frame 12 supporting the striking part 10 of the tennis exerciser 1 of the present invention is shown. Carton paper frame for fixing and supporting the rebound plate 45 after releasing the tightening force by turning the handle 43 of the clamp portion 42, that is, the clamp 42 to the goth fixing bar installed on the side (41) is rotated downward, but also in the state in which the rebound plate 45 is rotated horizontally independently of the cardboard frame 41 with the hinge axis 44 as a point as shown in Figure 7b ( 41) while rotating downward and at the same time fixed by turning the handle 43 of the clamp 42, the clamping force released after the user hits the tennis ball to the center of the hitting seat of the tennis exerciser 1, Figure 7a and In the same process as the blow coat 20 At the same time as the intense tennis ball is moved upwards and returns downward along the curved portion 31 to fall into the collecting container 33, the dropped tennis ball is installed in correspondence with the outlet side of the collecting container 33, respectively. Two guide holes 36 are guided through the buffer guide member 35 installed between the inlet end and guided to any one of the two ball discharge port 36 through the buffering action by the collision through the corresponding ball discharge port 36 At the same time it is discharged to the recoil plate 45 of the bounce part 40 located in the same line as the corresponding air discharge port 36, the goth fixed to the center side of the support frame 12, contrary to Figure 7b The rebound plate 45 pivoted downward with the cardboard frame 41 to the bar, that is, the resilient portion 46 of the rebound plate 45 rotated horizontally independently of the cardboard frame 41 At the same time hit through the resilience of the elastic portion 46 The user jumps back to the rebound height as shown in Figure 7a stroke swing, that is, while lowering the posture while at the same time bending the wrist outwards backswing hit the ball in front of the knee and then re-hit the tennis racket by turning the wiper method It is possible to repeatedly perform stroke swing exercises.

As described above, the above-described embodiment is described with respect to the most preferred example of the present invention, but is not limited to the above embodiment, and it is apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention. .

1. Tennis Exerciser 10. Batting Team
11.Coat Support Frame 12.Support Frame
13. Leg 14. Casters
15. Goryeosu 16. Court fixing bar
20. Batting coat 21. Ball escape prevention net
22. Rubber band 23. Net line
24. Hitting Point 30. Return Part
31. Curved surface 33. Gathering box
34. Cover 35. Shock absorbing guide member
36. Ball outlet 37. Hoisting ratchet
40. Bounce part 41. Cardboard frame
42. Clamp 43. Handle
44. Hinge Shaft 45. Recoil Plate
46. Elastic part 47. Recoil plate length adjusting part

Claims

A coat support frame 11 is inclined and fixed through a pair of support frames 12 fixed to the upper ends of the left and right leg portions 13 spaced apart from each other, and the blow coat 20 is applied to the coat support frame 11. Blowing part 10 is fixed;
Bolted to the upper end of the court support frame 11, respectively, the tennis ball hitting the striking court 20 is moved upward and downward along the curved portion 31 extending from the top of the striking portion 10 A return unit 30 which has a sealed inner space in communication with the curved portion 31 and falls to the collecting cylinder 33 in which a ball discharge port 36 is formed at a lower side thereof;
The cardboard frame 41 is fixed to the rebound plate 45 for moving the tennis ball dropped downward from the ball discharge port 36 to the same position where the user strikes the support frame (clamp 42). 12) is fixed to the court fixing bar (16) installed on the center side of the upper and lower rotation, volley swing practice for the tennis ball is rebounded by the reaction board 45 when the cardboard frame frame 41 upward rotation On the contrary, when the downward rotation of the cardboard frame 41 includes a bounce part 40 to perform the stroke swing practice function for the tennis ball rebounded by the reaction plate 45,
Recoil plate 45 from the cardboard frame 41 is coupled by a hinge shaft 44 so as to be rotated up and down, one side of the recoil plate 45 according to the inclination angle of the installation bottom surface outlet Tennis recoil length adjusting unit 47 is further provided for adjusting the protruding length of the recoil plate 45 according to the drop distance change of the tennis ball falling through the (36).

The method of claim 1,
On both sides of the batting court 20 fixed to the court support frame 11, the ball escape prevention net 21 for preventing the ball from falling out of the batting court 20 in accordance with the strength or hitting direction for the tennis ball is further Tennis exerciser, characterized in that provided.

The method of claim 1,
The ball outlet 36 and the recoil plate 45 are formed in plural, and the co-outlet 36 and one recoil plate 45 are located on the same line as each other.
A buffer guide for guiding the tennis ball introduced into the return unit 30 to one of the ball outlets 36 in correspondence with the inlet end of each ball outlet 36 between the inlet end of the plurality of ball outlets 36. The member 35 is further provided, and the buffer guide member 35 is reversed together with the buffering action in the process of falling into the ball discharge port 36 side of the tennis ball introduced into the collecting cylinder 33 through the curved portion 31. Tennis exercise machine, characterized in that formed of rubber or silicone so as not to bounce off.