A tennis fixed-point swing training device

Abstract

The present invention provides a tennis fixed-point swing training device, the device comprises a lifting and adjusting part, a support rod is vertically arranged on the top of the lifting and adjusting part, a goal ball lane is wound on the support rod, a support seat is also obliquely arranged on the lifting and adjusting part, a ball feeding guide pipe and a guide arm are arranged on the support seat, a sliding block and a chain driving mechanism are arranged on the guide arm, the chain driving mechanism drives the sliding block to move up and down on the guide arm, an elastic ball-top part is hingedly arranged on the top of the sliding block, a tennis ball supporting plate is arranged on the side wall of the sliding block, the ball feeding guide pipe comprises a first ball feeding plate with an arc-shaped cross-section and a second ball feeding plate with an arc-shaped cross-section, the first ball feeding plate and the second ball feeding plate are connected at the top by an arc-shaped connecting plate, the ball outlet of the goal ball lane is aligned with the bottom of the groove of the first ball feeding plate, and the present invention can better train the swing action of tennis.

Description

Technical Field

[0001] The invention relates to the technical field of sports equipment, in particular to a tennis fixed-point swing training device. Background Art

[0002] As people's living standards continue to improve, more and more people realize the importance of having good physical fitness, and gradually strengthen various sports exercises. Therefore, various ball sports products have a wider and wider market. Under the background of the vigorous development of tennis, more and more people begin to like this sport. Not only professional training team members but also many amateur enthusiasts practice tennis at ordinary times. In order to reduce the need for sparring personnel to pick up balls, one person can practice playing with the training device and the ball machine, effectively improving the competitive level and achieving the purpose of exercise. However, the existing tennis fixed-point training device is only a support arm arranged on a vertical pole, and the support arm is made of elastic material, and an elastic ball is arranged on the support arm; this traditional training device is not only difficult to perform swing training at various angles, but also unable to hit the elastic ball, so that it is not known whether the swing posture is correct, that is, the normal swing training needs to hit the tennis ball before knowing whether the strength, angle and posture of the swing are correct. After hitting, it is necessary to observe the landing of the tennis ball to better adjust one's swing posture. Summary of the invention

[0003] In order to overcome the above problems, the purpose of the present invention is to provide a tennis fixed-point swing training device, which can better train the swing action of tennis and observe the landing of the tennis ball after the swing.

[0004] The present invention is implemented by the following scheme: a tennis fixed-point swing training device, the device includes a lifting and adjusting part, a support rod is vertically arranged on the top of the lifting and adjusting part, a ball path is wound around the support rod, a support seat is also obliquely arranged on the lifting and adjusting part, a ball feeding guide pipe and a guide arm are arranged on the support seat, and the ball feeding guide pipe and the guide arm are arranged front and back, a sliding block and a chain driving mechanism are arranged on the guide arm, the chain driving mechanism drives the sliding block to move up and down on the guide arm, an elastic ball-top part is hingedly arranged on the top of the sliding block, and a tennis ball support plate is arranged on the side wall of the sliding block. The ball delivery guide pipe includes a first ball delivery plate with an arc-shaped cross-section and a second ball delivery plate with an arc-shaped cross-section. The tops of the first ball delivery plate and the second ball delivery plate are connected by an arc-shaped connecting plate. The ball outlet of the goal ball channel is aligned with the bottom of the groove of the first ball delivery plate. When the sliding block moves downward on the guide arm, the tennis ball supporting plate can be located in the groove of the first ball delivery plate. When the sliding block moves upward on the guide arm, the elastic ball pushing part can be located in the groove of the second ball delivery plate. Moreover, the tennis ball supporting plate and the elastic ball pushing part can lift the tennis ball in the groove of the first ball delivery plate and lift the tennis ball at the top of the groove of the second ball delivery plate respectively as the sliding block rises.

[0005] Furthermore, a controller is provided on the back of the guide arm, a first contact switch is provided on the top of the guide arm, a second contact switch is provided at the bottom of the groove of the first ball sending plate, and a third contact switch is provided at the bottom of the support seat. The third contact switch is located between the ball sending guide pipe and the guide arm, and the third contact switch corresponds to the position of the sliding block; the first contact switch, the second contact switch, the third contact switch, and the driving motor of the chain driving mechanism are all connected to the controller; after the elastic top ball part contacts the first contact switch, the controller starts the driving motor, and the driving motor drives the sliding block on the chain to move downward. After the sliding block touches the third contact switch, the controller turns off the driving motor. After the tennis ball enters the groove of the first ball sending plate from the goal lane and touches the second contact switch, the controller starts the driving motor, and the driving motor drives the sliding block on the chain to move upward.

[0006] Furthermore, the lifting and adjusting part includes a hollow frame and a box body, an electric push rod is arranged in the hollow frame, the box body is nested in the hollow frame, the electric push rod is connected to the bottom of the box body, a bottom plate is arranged on the top of the box body, and the support rod and the support seat are arranged on the bottom plate.

[0007] Furthermore, two strip guide grooves are provided on both the front and rear side surfaces of the box body, and two strip guide columns are provided on both the front and rear inner side walls of the hollow frame body, and the strip guide columns are located in the strip guide grooves.

[0008] Furthermore, the chain drive mechanism includes a driving motor, a first gear, a second gear, a chain, an upper positioning seat, a lower positioning seat, and a guide rod; the driving motor and the lower positioning seat are arranged side by side on the support seat, the first gear and the upper positioning seat are arranged side by side on the guide arm, the second gear is arranged on the rotating shaft of the driving motor, the chain is arranged between the first gear and the second gear, the guide rod is fixed between the upper positioning seat and the lower positioning seat, the sliding block is sleeved on the guide rod, the sliding block is connected to the chain, and the chain can drive the sliding block to move up and down on the guide rod.

[0009] Furthermore, the elastic ball-pushing member includes a hinged portion and a supporting plate, the hinged portion is arranged on the sliding block, the supporting plate is connected to the hinged portion, a supporting column is arranged on the supporting plate, an elastic member is connected to the supporting column, and a fixing ring for placing a tennis ball is arranged on the elastic member.

[0010] Furthermore, the elastic member is an elastic steel wire rope.

[0011] Furthermore, an opening is provided at the bottom of the first ball delivery plate, and an elastic push rod is provided on the support seat. The elastic push rod passes through the opening, and the elastic push rod is directly facing the ball outlet of the goal lane.

[0012] Furthermore, a battery is arranged in the box, and the battery provides power for the controller and the drive motor.

[0013] Furthermore, the goal lane is spiral.

[0014] The beneficial effect of the present invention is that the present invention can put multiple tennis balls into the scoring lane at one time. After the tennis balls fall into the groove of the first ball sending plate, the sliding block drives the tennis ball supporting plate and the elastic ball-pushing component to move upward. When the tennis ball supporting plate rises, the tennis ball supporting plate lifts the tennis ball 2 in the groove of the first ball sending plate, and the elastic ball-pushing component lifts the tennis ball 1 at the top of the groove of the second ball sending plate. In this way, since the first ball sending plate and the second ball sending plate are inclined, the tennis ball 2 on the first ball sending plate can slide to the top of the second ball sending plate along with the arc-shaped connecting plate, and the tennis ball 1 is placed on the elastic ball-pushing component After the racket is put on, the tennis player can perform a swing operation. After the swing, the elastic ball-pushing member touches the first contact switch, and the elastic ball-pushing member is reset, and the driving motor will drive the sliding block to move downward, so that the tennis support plate lifts the third tennis ball, and the elastic ball-pushing member lifts the second tennis ball. This operation is repeated to automatically lift the tennis ball for fixed-point swing training. The device can better train the swing action of tennis sports, and can observe the landing of the tennis ball after the swing, so that the athlete can know whether the strength, angle, and posture of his swing are correct, and better adjust his swing posture. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention in use state one.

[0016] Figure 2 It is a structural schematic diagram of the second use state of the present invention.

[0017] Figure 3 It is a structural schematic diagram of the ball feeding guide pipe and the guide arm of the present invention being placed on a support seat.

[0018] Figure 4 It is a schematic diagram of the inner side of the guide arm of the present invention placed on the support seat.

[0019] Figure 5 It is a structural schematic diagram of the present invention in which the ball-feeding guide pipe is placed on a support seat. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] See also Figures 1 to 5 As shown, a tennis fixed-point swing training device of the present invention is as follows: Figure 1 and Figure 2 As shown, the device includes a lifting and adjusting part 1, a support rod 2 is vertically arranged on the top of the lifting and adjusting part 1, a ball track 3 is wound around the support rod 2, and a support seat 4 is also obliquely arranged on the lifting and adjusting part 1. The lifting and adjusting part can adjust the height of the entire device, so that the device can adapt to tennis players of different heights for swing training; Figure 3 As shown, the support seat 4 is provided with a ball delivery guide pipe 5 and a guide arm 6, and the ball delivery guide pipe 5 and the guide arm 6 are arranged front and back, and the guide arm 6 is provided with a sliding block 7 and a chain driving mechanism 8, and the chain driving mechanism 8 drives the sliding block 7 to move up and down on the guide arm 6, and the top of the sliding block 7 is hingedly provided with an elastic ball-lifting member 9, and the elastic ball-lifting member 9 can lift the tennis ball at the top of the second ball delivery plate groove, so that after the tennis ball is placed at a certain height, the tennis player can practice swinging the racket; the side wall of the sliding block 7 is provided with a tennis ball supporting plate 10, and the tennis ball supporting plate 10 can lift the tennis ball in the first ball delivery plate groove; as shown Figure 5As shown, the ball delivery guide pipe 5 includes a first ball delivery plate 51 with an arc-shaped cross-section and a second ball delivery plate 52 with an arc-shaped cross-section. The first ball delivery plate 51 and the second ball delivery plate 52 are connected at the top by an arc-shaped connecting plate 53. The ball outlet 31 of the goal ball channel 3 is aligned with the bottom of the groove of the first ball delivery plate 51. When the sliding block 7 moves downward on the guide arm 6, the tennis ball supporting plate 10 can be located in the groove of the first ball delivery plate 51. When the sliding block 7 moves upward on the guide arm 6, the elastic ball-pushing member 9 can be located in the groove of the second ball delivery plate 52. The tennis ball supporting plate 10 and the elastic ball-pushing member 9 can lift the tennis ball in the groove of the first ball delivery plate 51 and lift the tennis ball at the top of the groove of the second ball delivery plate 52 respectively as the sliding block 7 rises. Since the first ball delivery plate 51 and the second ball delivery plate 52 are inclined (see FIG. 2 ), the tennis ball supporting plate 10 and the elastic ball-pushing member 9 can lift the tennis ball in the groove of the first ball delivery plate 51 and lift the tennis ball at the top of the groove of the second ball delivery plate 52 respectively. Figure 3 ), and when the first ball delivery plate is tilted, the top is higher than the top of the second ball delivery plate. In this way, after the tennis ball supporting plate lifts the tennis ball in the first ball delivery plate to the top of the first ball delivery plate, the tennis ball will slide from the arc-shaped connecting plate 53 to the top of the second ball delivery plate due to its own gravity; and the tennis ball on the top of the second ball delivery plate in advance will be lifted up by the elastic ball lifting member 9, so that the tennis player can hit the lifted tennis ball, and the tennis ball in the scoring lane will automatically fall on the top of the second ball delivery plate, preparing for the next hit.

[0022] In the present invention, a controller 61 is provided on the back of the guide arm 6, a first contact switch 62 is provided on the top of the guide arm 6, a second contact switch 63 is provided at the bottom of the groove of the first ball sending plate, and a third contact switch 64 is provided at the bottom of the support seat. The third contact switch 64 is located between the ball sending guide pipe 5 and the guide arm 6, and the third contact switch 64 corresponds to the position of the sliding block 7; the first contact switch 62, the second contact switch 63, the third contact switch 64, and the driving motor 81 of the chain driving mechanism 8 are all connected to the controller 61; after the elastic top ball member 9 contacts the first contact switch 62, the controller 61 starts the driving motor 8 1, the driving motor 81 drives the sliding block 7 on the chain to move downward, and after the sliding block 7 touches the third contact switch 64, the controller 61 turns off the driving motor, and after the tennis ball enters the groove of the first ball delivery plate 51 from the goal lane and touches the second contact switch 63, the controller 61 starts the driving motor, and the driving motor drives the sliding block 7 on the chain to move upward; the controller adopts the stm32 series processor, and other types of processors can also be used in actual applications; through the controller, the first contact switch, the second contact switch, and the third contact switch, the forward and reverse rotation of the driving motor and the stop time can be well controlled, thereby realizing the ball holding operation of the tennis supporting plate 10 and the ball pushing operation of the elastic ball pushing member 9.

[0023] The lifting and lowering adjustment part 1 includes a hollow frame 11 and a box 12. An electric push rod 13 is arranged in the hollow frame 11. The box 12 is nested in the hollow frame 11. The electric push rod 13 is connected to the bottom of the box 12. A bottom plate 14 is arranged on the top of the box 12. The support rod 2 and the support seat 4 are arranged on the bottom plate 14. The model of the electric push rod is SXLA001. In this way, the electric push rod can push the box to perform up and down lifting operations in the hollow frame.

[0024] In order to enable the box to be lifted and lowered better in the hollow frame 11 , two strip guide grooves 121 are provided on the front and rear side surfaces of the box 12 , and two strip guide columns (not shown) are provided on the front and rear inner side walls of the hollow frame, and the strip guide columns are located in the strip guide grooves 121 .

[0025] like Figure 4 As shown, the chain drive mechanism 8 includes a driving motor 81, a first gear 82, a second gear 83, a chain 84, an upper positioning seat 85, a lower positioning seat 86, and a guide rod 87; the driving motor 81 and the lower positioning seat 86 are arranged side by side on the supporting seat 4, the first gear 82 and the upper positioning seat 85 are arranged side by side on the guide arm 6, the second gear 83 is arranged on the rotating shaft of the driving motor 81, the chain 84 is arranged between the first gear 82 and the second gear 83, the guide rod 87 is fixed between the upper positioning seat 85 and the lower positioning seat 86, the sliding block 7 is sleeved on the guide rod 87, the sliding block 7 is connected to the chain 84, and the chain 84 can drive the sliding block 7 to move up and down on the guide rod 87. The sliding block can be fixedly connected to the chain through a connecting rod, so that when the driving motor drives the chain to move, the chain can drive the sliding block to move on the guide rod 87.

[0026] The elastic ball-top member 9 includes a hinged portion 91 and a support sheet 92, wherein the hinged portion 91 is disposed on the sliding block 7, the support sheet 92 is connected to the hinged portion 91, a support column 93 is disposed on the support sheet 92, an elastic member 94 is connected to the support column 93, and a fixing ring 95 for placing a tennis ball is disposed on the elastic member 94, wherein there are at least two support columns, preferably three support columns. Preferably, the elastic member 94 is an elastic steel wire rope. In this way, when a tennis player swings his racket to hit the tennis ball on the elastic member, not only will the swing effect of the player not be affected, but the elastic member will not be damaged.

[0027] The first ball delivery plate 51 has an opening 511 at the bottom, and the support seat 4 is provided with an elastic push rod 15, which passes through the opening 511 and faces the ball outlet of the goal lane 3. The elastic push rod 15 is used to limit multiple tennis balls in the goal lane from rolling onto the first ball delivery plate 51 at the same time. Only after the tennis support plate 10 presses down the elastic push rod 15, the tennis balls in the goal lane will roll onto the tennis support plate located in the first ball delivery plate slot. At this time, the tennis balls touch the second contact switch, and the controller controls the drive motor to lift the sliding block. At this time, the tennis support plate no longer presses the elastic push rod, and the elastic push rod performs a reset operation, which limits the tennis balls in the goal lane from rolling onto the first ball delivery plate 51. A battery (not shown) is provided in the box 12, and the battery provides power for the controller and the drive motor.

[0028] The goal lane 3 is spiral-shaped; a plurality of tennis balls can be buffered in the spiral-shaped goal lane, so that athletes can perform swing training for a plurality of tennis balls at a time without having to pick up the balls all the time.

[0029] The working principle of the present invention is as follows: first, place the first tennis ball 16 on the top of the groove of the second ball delivery plate 52, and put multiple tennis balls into the goal lane 3. For the first time, let the elastic member on the elastic ball-pushing member 9 touch the first contact switch. At this time, the controller 61 starts the drive motor 81, and the drive motor 81 drives the sliding block 7 on the chain to move downward. At this time, the elastic ball-pushing member 9 will be located in the groove of the second ball delivery plate 52 and move downward, and the elastic ball-pushing member 9 will be located below the first tennis ball 16. After the sliding block 7 touches the third contact switch 64 ... driving motor 81 drives the sliding block 7 on the chain to move downward. The controller 61 turns off the drive motor, and after the tennis support plate 10 presses down the elastic push rod 15, the second tennis ball 17 in the goal lane will roll onto the tennis support plate located in the first ball delivery plate groove. At this time, the second tennis ball 17 touches the second contact switch, and the controller controls the drive motor to lift the sliding block. At this time, the tennis support plate no longer presses the elastic push rod, and the elastic push rod performs a reset operation, which will limit the tennis ball in the goal lane from rolling onto the first ball delivery plate 51. After the sliding block is lifted, the tennis support plate 10 will push the second tennis ball 17 into the first ball delivery plate groove. At the same time, the elastic ball-pushing member 9 will lift the first tennis ball 16 located at the top of the groove of the second ball-feeding plate 52. As the sliding block rises again, the tennis ball supporting plate 10 will lift the second tennis ball 17 to the top of the groove of the first ball-feeding plate (it should be noted here that the tennis ball supporting plate is only used to assist in lifting the tennis ball in the groove of the first ball-feeding plate. After the tennis ball supporting plate reaches a certain height, it will leave the groove of the first ball-feeding plate and the tennis ball supporting plate will not continue to hold the tennis ball). The second tennis ball will slide from the arc-shaped connecting plate 53 to the top of the groove of the second ball-feeding plate due to its own gravity. The top of the second ball sending plate groove; and the first tennis ball on the top of the second ball sending plate in advance will be lifted up by the elastic ball-pushing member 9, so that the tennis player can hit the lifted first tennis ball. After hitting, the elastic ball-pushing member 9 will touch the first contact switch again, and then repeat the above operation to automatically lift the tennis ball for fixed-point swing training. The device can better train the swing action of tennis sports, and can observe the landing of the tennis ball after the swing, so that the athlete can know whether the strength, angle and posture of his swing are correct, and better adjust his swing posture.

[0030] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A tennis fixed-point swing training device, characterized in that: The device comprises a lifting and adjusting part, a support rod is vertically arranged on the top of the lifting and adjusting part, a ball path is wound on the support rod, a support seat is also obliquely arranged on the lifting and adjusting part, a ball delivery guide pipe and a guide arm are arranged on the support seat, and the ball delivery guide pipe and the guide arm are arranged front and back, a sliding block and a chain driving mechanism are arranged on the guide arm, and the chain driving mechanism drives the sliding block to move up and down on the guide arm, an elastic ball-top part is hingedly arranged on the top of the sliding block, a tennis ball support plate is arranged on the side wall of the sliding block, and the ball delivery guide pipe comprises a cross section of A first arc-shaped ball-feeding plate and a second arc-shaped ball-feeding plate with a cross section, the first ball-feeding plate and the second ball-feeding plate are connected at the top by an arc-shaped connecting plate, the ball outlet of the goal ball channel is aligned with the bottom of the groove of the first ball-feeding plate, when the sliding block moves downward on the guide arm, the tennis ball supporting plate can be located in the groove of the first ball-feeding plate, when the sliding block moves upward on the guide arm, the elastic ball-pushing member can be located in the groove of the second ball-feeding plate, and the tennis ball supporting plate and the elastic ball-pushing member can respectively lift the tennis ball in the groove of the first ball-feeding plate and lift the tennis ball at the top of the groove of the second ball-feeding plate as the sliding block rises; A controller is arranged on the back of the guide arm, a first contact switch is arranged on the top of the guide arm, a second contact switch is arranged on the bottom of the groove of the first ball sending plate, and a third contact switch is arranged on the bottom of the support seat, the third contact switch is located between the ball sending guide pipe and the guide arm, and the third contact switch corresponds to the position of the sliding block; the first contact switch, the second contact switch, the third contact switch, and the driving motor of the chain driving mechanism are all connected to the controller; after the elastic ball-top part contacts the first contact switch, the controller starts the driving motor, and the driving motor drives the sliding block on the chain to move downward, after the sliding block touches the third contact switch, the controller turns off the driving motor, after the tennis ball enters the groove of the first ball sending plate from the goal lane and touches the second contact switch, the controller starts the driving motor, and the driving motor drives the sliding block on the chain to move upward; the elastic ball-top part includes a hinged portion and a support sheet, the hinged portion is arranged on the sliding block, the support sheet is connected to the hinged portion, a support column is arranged on the support sheet, an elastic member is connected to the support column, and a fixing ring for placing the tennis ball is arranged on the elastic member.

2. A tennis fixed-point swing training device according to claim 1, characterized in that: The lifting and lowering adjustment part includes a hollow frame and a box body. An electric push rod is arranged in the hollow frame body. The box body is nested in the hollow frame body. The electric push rod is connected to the bottom of the box body. A bottom plate is arranged on the top of the box body. The support rod and the support seat are arranged on the bottom plate.

3. A tennis fixed-point swing training device according to claim 2, characterized in that: Two strip guide grooves are provided on both the front and rear side surfaces of the box body, and two strip guide columns are provided on both the front and rear inner side walls of the hollow frame body, and the strip guide columns are located in the strip guide grooves.

4. A tennis fixed-point swing training device according to claim 1, characterized in that: The chain drive mechanism includes a driving motor, a first gear, a second gear, a chain, an upper positioning seat, a lower positioning seat, and a guide rod; the driving motor and the lower positioning seat are arranged side by side on the supporting seat, the first gear and the upper positioning seat are arranged side by side on the guide arm, the second gear is arranged on the rotating shaft of the driving motor, the chain is arranged between the first gear and the second gear, the guide rod is fixed between the upper positioning seat and the lower positioning seat, the sliding block is sleeved on the guide rod, the sliding block is connected to the chain, and the chain can drive the sliding block to move up and down on the guide rod.

5. A tennis fixed-point swing training device according to claim 1, characterized in that: The elastic member is an elastic steel wire rope.

6. A tennis fixed-point swing training device according to claim 1, characterized in that: The bottom of the first ball delivery plate is provided with an opening, and the support seat is provided with an elastic push rod, which passes through the opening and faces the ball outlet of the goal lane.

7. A tennis fixed-point swing training device according to claim 2, characterized in that: A battery is arranged in the box, and the battery provides power for the controller and the driving motor.

8. A tennis fixed-point swing training device according to claim 1, characterized in that: The goal lane is spiral.

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