CN113617008A - A device of training accompanying for tennis training - Google Patents

A device of training accompanying for tennis training Download PDF

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Publication number
CN113617008A
CN113617008A CN202111001662.7A CN202111001662A CN113617008A CN 113617008 A CN113617008 A CN 113617008A CN 202111001662 A CN202111001662 A CN 202111001662A CN 113617008 A CN113617008 A CN 113617008A
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CN
China
Prior art keywords
ball
tennis
box body
horizontal limiting
guide plate
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111001662.7A
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Chinese (zh)
Inventor
薛敏
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Nanjing Institute of Mechatronic Technology
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Nanjing Institute of Mechatronic Technology
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Application filed by Nanjing Institute of Mechatronic Technology filed Critical Nanjing Institute of Mechatronic Technology
Priority to CN202111001662.7A priority Critical patent/CN113617008A/en
Publication of CN113617008A publication Critical patent/CN113617008A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/38Training appliances or apparatus for special sports for tennis
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/40Stationarily-arranged devices for projecting balls or other bodies

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Toys (AREA)

Abstract

The invention discloses a training device for tennis training, which comprises a box body, wherein a tennis storage bin is arranged at the upper part of the box body, and a tennis delivery pipe is arranged at the bottom of the tennis storage bin; a first motor is arranged in the box body, and a ball striking plate is arranged on a rotating shaft of the first motor; a ball outlet is arranged on the side wall of the box body; a horizontal limiting sliding groove is arranged in the box body, one end of the horizontal limiting sliding groove faces the ball outlet to serve as a ball outlet end, the other end of the horizontal limiting sliding groove serves as a ball inlet end, the ball inlet end is communicated with an outlet of the ball conveying pipe, the ball inlet end is positioned below the striking plate, and the striking force application direction of the striking plate is the same as the length direction of the horizontal limiting sliding groove; the end of the ball outlet end of the horizontal limiting chute is rotatably connected with a guide plate, and the guide plate is provided with a contact spherical surface; the second motor with the telescopic rod is arranged below the rotating shaft of the guide plate in the box body, the telescopic rod is connected with the guide plate through the connecting rod, one end of the connecting rod is connected with the telescopic rod in a rotating mode, and the other end of the connecting rod is connected to the surface, opposite to the contact spherical surface, of the guide plate in a rotating mode. The invention has the advantage of not damaging tennis balls.

Description

A device of training accompanying for tennis training
Technical Field
The invention belongs to the technical field of tennis training equipment, and particularly relates to a training accompanying device for tennis training.
Background
In tennis training, a coach feeds balls continuously, and a player returns balls continuously, which is the most common method in tennis training, the method not only consumes a large amount of physical power of the coach, but also cannot track ball speed and ball movement tracks, and is difficult to scientifically judge the accuracy and stability of service, and the tennis ball serving machine is taken as a training auxiliary device and can serve balls to the player continuously, stably and accurately so as to achieve the purpose of scientific and accurate training; and the serving direction and the serving interval are fixed and are not easy to adjust.
Disclosure of Invention
In order to solve the problems that the surface of a tennis ball is easy to damage and block by the friction wheel pitching machine and the pitching interval time and direction are fixed, the invention provides a training device for tennis training.
The invention relates to a training device for tennis training, which comprises a box body, wherein a tennis storage bin is arranged at the upper part of the box body, and a tennis delivery pipe extending into the box body is arranged at the bottom of the tennis storage bin; a first motor is arranged in the box body, and a ball striking plate is arranged on a rotating shaft of the first motor; a ball outlet is arranged on the side wall of the box body; a horizontal limiting chute for limiting the motion track of the tennis is arranged in the box body, one end of the horizontal limiting chute faces the ball outlet to serve as a ball outlet end, the other end of the horizontal limiting chute serves as a ball inlet end, the ball inlet end is communicated with an outlet of the ball conveying pipe to enable the tennis to enter the horizontal limiting chute from the ball conveying pipe, the ball inlet end is positioned below the hitting plate and used for rotating the hitting plate to hit the tennis entering the ball inlet end, and the hitting plate hitting force application direction is the same as the length direction of the horizontal limiting chute; the end of the ball outlet end of the horizontal limiting chute is rotatably connected with a guide plate for changing the ball outlet height, and the guide plate is provided with a ball contacting surface for contacting with a tennis ball; a second motor with a telescopic rod is arranged below the rotating shaft of the guide plate in the box body, the telescopic rod is connected with the guide plate through a connecting rod, one end of the connecting rod is rotatably connected with the telescopic rod, and the other end of the connecting rod is connected to the surface, opposite to the contact spherical surface, of the guide plate and is rotatably connected with the guide plate; when the telescopic rod stretches, the connecting rod is driven to move, the connecting rod drives the guide plate to rotate, and the emitting height of the tennis balls when the tennis balls are emitted out of the tennis outlet of the box body is adjusted.
Furthermore, the first motor is positioned at the bottom of the box body, the rotating shaft is vertically upward, and the batting plate is vertical to the rotating shaft; the first motor is located on one side of the horizontal limiting sliding groove, the ball conveying pipe is located on the other side of the horizontal limiting sliding groove, a ball inlet which penetrates through the groove wall is formed in the groove wall, located on the ball conveying pipe side, of the horizontal limiting sliding groove, the lower end of the ball conveying pipe is bent to form a bending section, and the port of the bending section is communicated with the ball inlet.
Furthermore, the ball conveying pipe is L-shaped. After the arrangement, the speed of the tennis ball entering the horizontal limiting sliding groove is gentle and stable, and the condition that the tennis ball rushes into the horizontal limiting sliding groove is avoided.
Furthermore, the horizontal limiting sliding groove is fixed at the bottom of the box body through the supporting rod, a tennis limiting mechanism is arranged on the horizontal limiting sliding groove and comprises a stop block and an elastic piece, the stop block and the elastic piece are arranged in the horizontal limiting sliding groove, tennis entering the horizontal limiting sliding groove is limited at a hitting position of the hitting plate by the stop block and the elastic piece, the stop block is fixed at the ball inlet end side of the horizontal limiting sliding groove, the elastic piece is located at the ball outlet end side, and when the tennis is emitted and hits the elastic piece, the elastic piece deforms and allows the tennis to pass through.
Furthermore, the elastic piece is a V-shaped elastic piece, an opening of the V-shaped elastic piece faces the ball outlet, one arm of the V-shaped elastic piece is fixed on a groove wall of the horizontal limiting sliding groove, and the other arm is located in the horizontal limiting sliding groove. The V-shaped elastic sheet is more convenient to manufacture and simple to use.
Further, set up a horizontal plate on the lower mouthful of following the place inside wall at the box outlet, the second motor is installed on the horizontal plate, the flexible direction of the telescopic link of second motor and the length direction syntropy of the spacing spout of level, the deflector is located the box, the axis of rotation of deflector is established at the terminal surface of outlet ball end groove bottom plate along the width direction of the spacing spout of level, the rotation at connecting rod both ends is connected and is articulated, the deflector is connected for articulated with the rotation of the spacing spout of level.
Furthermore, universal wheels are installed at the bottom of the box body, and a pushing handle is installed at the top of the box body. After the arrangement, the box body is convenient to move.
Has the advantages that: the training device can adjust the interval time of hitting the tennis balls by adjusting the rotating speed of the first motor, adjust the ball-hitting height by the guide plate and the second motor, and replace a friction wheel to squeeze the tennis balls for serving by hitting the tennis balls by the hitting plate, so that the damage and the blockage of the surface of the tennis balls are avoided.
Drawings
FIG. 1 is a side view of the internal structure of a partner training device according to the invention;
FIG. 2 is a rear view of the internal structure of the device for accompanying exercise of the present invention;
FIG. 3 is a schematic structural view of a tennis ball limiting mechanism;
in the figure, 1, a box body; 2. a tennis ball storage bin; 3. a ball conveying pipe; 4. a shaft sleeve; 5. a striking plate; 6. a first motor; 7. a rotating shaft; 8. a horizontal limiting chute; 9. a ball outlet; 10. a guide plate; 11. a second motor; 12. a telescopic rod; 13. a connecting rod; 14. a universal wheel; 15. a pushing handle; 16. a strut; 17. a V-shaped spring plate; 18. and a stop block.
Detailed Description
The technical solution of the present invention is described in detail by the following examples, but the scope of the present invention is not limited to the examples.
As shown in fig. 1-3, a training aid for tennis training comprises a box body 1, a tennis storage bin 2 is arranged at the upper part of the box body 1, a tennis delivery pipe 3 extending into the box body 1 is arranged at the bottom of the tennis storage bin 2, and the lower end of the tennis delivery pipe 3 is bent to form a bending section, so that the whole tennis training aid is L-shaped.
Install first motor 6 in box 1 bottom, the pivot 7 of first motor 6 is vertical upwards, is equipped with axle sleeve 4 on the pivot 7, and four hitting boards 5 perpendicular with pivot 7 of equipartition on the axle sleeve 4. The side wall of the box body 1 is provided with a ball outlet 9.
The bottom of the box body 1 is provided with two support rods 16, the tops of the two support rods 16 are fixed with a horizontal limiting chute 8, the width of a groove of the horizontal limiting chute 8 is matched with the diameter of a tennis ball, so that the motion track of the tennis ball is convenient to limit, the depth of the groove is not particularly limited, and the tennis ball can be stably positioned in the groove and the hitting board 5 can hit the middle of the tennis ball when hitting the tennis ball. The horizontal limiting chute 8 is positioned between the ball conveying pipe 3 and the first motor 6, one end of the horizontal limiting chute 8 faces the ball outlet 9 and serves as a ball outlet end, the other end of the horizontal limiting chute serves as a ball inlet end, the ball inlet end is positioned on the groove wall of the ball conveying pipe side and is provided with a ball inlet which penetrates through the groove wall, and the ball inlet is communicated with an outlet of the ball conveying pipe 3 and is used for tennis balls to enter the horizontal limiting chute 8 from the ball conveying pipe 3. The goal end is located below the striking plate 5 and is used for the striking plate 5 to rotate and strike the tennis entering the goal end, and the striking force application direction of the striking plate 5 is the same as the length direction of the horizontal limiting sliding groove 8.
A tennis ball limiting mechanism is arranged on the horizontal limiting sliding groove 8 and comprises a stop block 18 and a V-shaped elastic sheet 17, the stop block 18 and the V-shaped elastic sheet 17 are arranged in the horizontal limiting sliding groove 8, tennis balls entering the horizontal limiting sliding groove 8 are limited at a hitting position of the hitting plate 5 by the stop block 18 and the V-shaped elastic sheet 17, the stop block 18 is fixed at the ball inlet end side of the horizontal limiting sliding groove 8, the V-shaped elastic sheet 17 is positioned at the ball outlet end side, the opening of the V-shaped elastic sheet 17 faces towards the ball outlet 9, one arm of the V-shaped elastic sheet 17 is fixed on the groove wall of the horizontal limiting sliding groove 8, the other arm of the V-shaped elastic sheet 17 is positioned in the horizontal limiting sliding groove 8, and the size of the limiting position between the stop block 18 and the V-shaped elastic sheet 17 is matched with the size of the tennis balls; when the tennis ball is emitted and impacts the V-shaped elastic sheet 17, one arm of the V-shaped elastic sheet 17, which is deformed and positioned in the horizontal limiting sliding groove 8, is extruded to be attached to the other arm fixed on the groove wall of the horizontal limiting sliding groove 8, so that the channel of the horizontal limiting sliding groove 8 is smooth, and the tennis ball passes through the channel.
A guide plate 10 is hinged to the end of the ball outlet end of the horizontal limiting chute 8 in the box body 1 and used for changing the ball outlet height. The guide plate 10 has a contact surface for contacting a tennis ball, and a rotation axis of the guide plate 10 is provided on an end surface of the bottom plate of the ball outlet end groove along a width direction of the horizontal limit chute 8.
On the lower mouthful of inside wall along the place of box outlet 9, set up a horizontal plate in the below of the axis of rotation of deflector 10, the second motor 11 that has telescopic link 12 is installed on the horizontal plate, the length direction syntropy of the flexible direction of telescopic link 12 and horizontal spacing spout 8 of second motor 11, outlet 9 is kept away from to the front end of telescopic link 12 when telescopic link 12 stretches out.
The telescopic rod 12 is connected with the guide plate 10 through a connecting rod 13, one end of the connecting rod 13 is hinged with the telescopic rod 12, and the other end of the connecting rod 13 is hinged on the surface, opposite to the contact spherical surface, of the guide plate 10; when the telescopic rod 12 extends, the connecting rod 13 is driven to move, the connecting rod 13 drives the guide plate 10 to rotate, and the emitting height of the tennis balls when the tennis balls are emitted out of the tennis outlet 9 of the box body is adjusted.
Universal wheels 14 are mounted at the bottom of the box body 1, and a push handle 15 is mounted at the top.
In practical use, tennis balls collected through the tennis ball storage bin 2 enter the position of the ball feeding end of the horizontal limiting chute 8, which is limited by the tennis ball limiting mechanism, through the tennis ball conveying pipe 3, namely, enter the position between the stop block 18 and the V-shaped elastic sheet 17. At the moment, other tennis balls behind the limited tennis ball are supported by the tennis ball, so that only one tennis ball appears in the horizontal limiting sliding groove 8 during each hitting, and after the tennis ball is hit and discharged, a subsequent tennis ball enters the horizontal limiting sliding groove 8 by being pushed by the tennis ball behind the tennis ball, so that only one tennis ball is hit at each time, and the condition that the tennis ball fails to be discharged due to the fact that a plurality of tennis balls appear in the horizontal limiting sliding groove 8 at the same time is avoided. Then, the first motor 6 is turned on, the striking plate 5 rotates around the rotating shaft 7, the striking position of the striking plate 5 strikes the tennis ball positioned in the horizontal limiting chute 8 and limited, and the tennis ball is ejected from the ball outlet 9 along the horizontal limiting chute 8. When the interval between two adjacent hitting balls needs to be adjusted, the rotating speed of the first motor 6 is only required to be adjusted. When the height of the tennis ball ejection outlet 9 needs to be adjusted, the second motor 11 is started, the telescopic rod 12 is adjusted to a proper position, the telescopic rod 12 stretches and retracts to drive the connecting rod 13 to move, the connecting rod 13 drives the guide plate 10 to rotate around the rotating shaft, and the tennis balls which are ejected out of the horizontal limiting sliding groove 8 collide with the contact surface of the guide plate 10, so that the original ejection track of the tennis balls is changed, the tennis balls are ejected from the tennis outlet 9, and the ejection height is adjusted.
The above-mentioned techniques not specifically mentioned refer to the prior art.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A training device for tennis training comprises a box body and is characterized in that a tennis storage bin is arranged at the upper part of the box body, and a tennis delivery pipe extending into the box body is arranged at the bottom of the tennis storage bin; a first motor is arranged in the box body, and a ball striking plate is arranged on a rotating shaft of the first motor; a ball outlet is arranged on the side wall of the box body; a horizontal limiting chute for limiting the motion track of the tennis is arranged in the box body, one end of the horizontal limiting chute faces the ball outlet to serve as a ball outlet end, the other end of the horizontal limiting chute serves as a ball inlet end, the ball inlet end is communicated with an outlet of the ball conveying pipe to enable the tennis to enter the horizontal limiting chute from the ball conveying pipe, the ball inlet end is positioned below the hitting plate and used for rotating the hitting plate to hit the tennis entering the ball inlet end, and the hitting plate hitting force application direction is the same as the length direction of the horizontal limiting chute; the end of the ball outlet end of the horizontal limiting chute is rotatably connected with a guide plate for changing the ball outlet height, and the guide plate is provided with a ball contacting surface for contacting with a tennis ball; a second motor with a telescopic rod is arranged below the rotating shaft of the guide plate in the box body, the telescopic rod is connected with the guide plate through a connecting rod, one end of the connecting rod is rotatably connected with the telescopic rod, and the other end of the connecting rod is connected to the surface, opposite to the contact spherical surface, of the guide plate and is rotatably connected with the guide plate; when the telescopic rod stretches, the connecting rod is driven to move, the connecting rod drives the guide plate to rotate, and the emitting height of the tennis balls when the tennis balls are emitted out of the tennis outlet of the box body is adjusted.
2. A training aid as claimed in claim 1 wherein the first motor is located at the bottom of the case with the shaft facing vertically upwards and the striking plate perpendicular to the shaft; the first motor is located on one side of the horizontal limiting sliding groove, the ball conveying pipe is located on the other side of the horizontal limiting sliding groove, a ball inlet which penetrates through the groove wall is formed in the groove wall, located on the ball conveying pipe side, of the horizontal limiting sliding groove, the lower end of the ball conveying pipe is bent to form a bending section, and the port of the bending section is communicated with the ball inlet.
3. A training aid for tennis training as recited in claim 2, wherein said ball delivery tube is L-shaped.
4. A training device as claimed in claim 3, wherein the horizontal position-limiting sliding groove is fixed to the bottom of the box body by a support rod, a tennis ball position-limiting mechanism is disposed on the horizontal position-limiting sliding groove, the tennis ball position-limiting mechanism comprises a stopper disposed in the horizontal position-limiting sliding groove and an elastic member, the stopper and the elastic member limit the tennis ball entering the horizontal position-limiting sliding groove to a hitting position of the hitting plate, the stopper is fixed to a ball-entering side of the horizontal position-limiting sliding groove, the elastic member is disposed on a ball-exiting side, and when the tennis ball exits and hits the elastic member, the elastic member deforms to allow the tennis ball to pass through.
5. A training aid as claimed in claim 4 wherein the resilient member is a V-shaped resilient tab, the V-shaped resilient tab opening towards the ball outlet, one arm of the V-shaped resilient tab being secured to a wall of the horizontal limiting channel and the other arm being located within the horizontal limiting channel.
6. An accompanying training device for tennis training according to claim 5, wherein a horizontal plate is provided on the inner side wall of the lower opening of the ball outlet of the box body along the edge, the second motor is mounted on the horizontal plate, the extension direction of the extension rod of the second motor is the same as the length direction of the horizontal limiting chute, the guide plate is located in the box body, the rotation shaft of the guide plate is arranged on the end surface of the bottom plate of the ball outlet end groove along the width direction of the horizontal limiting chute, the rotary connection of both ends of the connecting rod is hinged, and the rotary connection of the guide plate and the horizontal limiting chute is hinged.
7. A training aid for tennis training as claimed in claim 6, wherein the case is provided with universal wheels at the bottom and a handle at the top.
CN202111001662.7A 2021-08-30 2021-08-30 A device of training accompanying for tennis training Pending CN113617008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111001662.7A CN113617008A (en) 2021-08-30 2021-08-30 A device of training accompanying for tennis training

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111001662.7A CN113617008A (en) 2021-08-30 2021-08-30 A device of training accompanying for tennis training

Publications (1)

Publication Number Publication Date
CN113617008A true CN113617008A (en) 2021-11-09

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ID=78388285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111001662.7A Pending CN113617008A (en) 2021-08-30 2021-08-30 A device of training accompanying for tennis training

Country Status (1)

Country Link
CN (1) CN113617008A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205494905U (en) * 2016-03-31 2016-08-24 金铭 A simple and easy ball dispenser for tennis training
CN210448018U (en) * 2019-07-30 2020-05-05 西南石油大学 Tennis training device
CN211724620U (en) * 2019-12-25 2020-10-23 淮安信息职业技术学院 Wheel-driven tennis training machine
CN112190907A (en) * 2020-09-24 2021-01-08 温州医科大学 Novel tennis continuous service device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205494905U (en) * 2016-03-31 2016-08-24 金铭 A simple and easy ball dispenser for tennis training
CN210448018U (en) * 2019-07-30 2020-05-05 西南石油大学 Tennis training device
CN211724620U (en) * 2019-12-25 2020-10-23 淮安信息职业技术学院 Wheel-driven tennis training machine
CN112190907A (en) * 2020-09-24 2021-01-08 温州医科大学 Novel tennis continuous service device

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Application publication date: 20211109

RJ01 Rejection of invention patent application after publication