CN210963845U - Tennis training device capable of rotating tennis balls - Google Patents
Tennis training device capable of rotating tennis balls Download PDFInfo
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- CN210963845U CN210963845U CN201921866473.4U CN201921866473U CN210963845U CN 210963845 U CN210963845 U CN 210963845U CN 201921866473 U CN201921866473 U CN 201921866473U CN 210963845 U CN210963845 U CN 210963845U
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Abstract
The utility model provides a tennis training device capable of rotating tennis balls, which comprises a supporting frame, wherein a ball inlet cylinder is arranged above the supporting frame, a ball serving channel is fixed at the non-ball inlet end of the ball inlet cylinder, a propelling piece for pushing the tennis ball is fixed at one end of the ball serving channel, a sleeve capable of rotating around the ball serving channel is sleeved at the other end of the ball serving channel, a driven belt wheel fixed with the sleeve is sleeved at the outer side wall of the sleeve, the driven belt wheel is connected with a driving belt wheel through a synchronous belt, the driving belt wheel is connected with an output shaft of a motor, and the motor is fixed on the side wall of the ball; the service passage is connected with the support frame through a connecting piece; the utility model provides a can adjust service angle, can also simulate the launching sidespin ball, be used for training person's sidespin ball catching technique's rotatable tennis training ware specially.
Description
Technical Field
The utility model belongs to the technical field of sports training equipment, concretely relates to tennis training ware of rotatable tennis.
Background
Tennis is a ball game, usually performed between two single players or two pairs of combined players, who clap tennis balls with tennis balls across the net on the tennis ball, which is currently prevalent throughout the world and is called the second major world sports; the improvement of the tennis technique requires repeated training of a service technique, a catching technique and steps to achieve the effect of improving the tennis technique; among tennis balls, there is a side spin ball, which is called a side spin ball because a racket is swung from the rear to the inside in parallel when a ball is hit by the side spin ball, and the ball is laterally rotated from the outside to the inside, and in practice, the rotation of the ball is generally a mixing performance, and it takes a long time to train how to catch the side spin ball of the counterpart depending on factors such as the direction, strength, rotational speed of the ball, a swing path when hitting the ball, and a face angle when touching the ball, but in the prior art, a training device for the side spin ball is specially used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that exists among the above-mentioned prior art, provide one kind and can simulate launching the sidespin ball, can also adjust service angle simultaneously, be used for training person's sidespin ball catching technique's rotatable tennis training ware specially.
The technical scheme of the utility model is that: the tennis ball feeding device comprises a support frame, wherein a ball feeding barrel is arranged above the support frame, a ball serving channel is fixed at the non-ball feeding end of the ball feeding barrel, a propelling part for propelling a tennis ball is fixed at one end of the ball serving channel, a sleeve capable of rotating around the ball serving channel is sleeved at the other end of the ball serving channel, a driven belt wheel fixed with the sleeve is sleeved on the outer side wall of the sleeve, the driven belt wheel is connected with a driving belt wheel through a synchronous belt, the driving belt wheel is connected with an output shaft of a motor, and the motor is fixed on the side; the service passage is connected with the support frame through a connecting piece.
The connecting piece is a U-shaped connecting piece, the U-shaped connecting piece is formed by connecting a transverse plate and two vertical plates, the transverse plate is fixed on the side wall of the serving channel through a screw, and the side surfaces of the two vertical plates are respectively fixed with a sliding block; the supporting frame is provided with an arc-shaped sliding chute matched with each sliding block, and the sliding blocks are connected with the arc-shaped sliding chutes in a sliding manner; the end part of the sliding block is provided with a locking component used for locking the sliding block at a specific position in the arc-shaped sliding groove.
The service passageway with muffjoint's one end is fixed with the bulge loop, corresponds on the sleeve and offers the recess, and the bulge loop joint is in the recess to the recess tip can be dismantled through the bolt and be connected with the end cover.
The locking assembly comprises a plate body, a locking bolt and a locking nut, wherein the plate body is fixed at the end part of the sliding block and slides along the arc-shaped sliding groove along with the sliding block; the plate body is also provided with a threaded hole, and the support frame is provided with a plurality of through holes matched with the threaded hole; the locking bolt is sequentially connected with the locking nut through a threaded hole and a through hole.
The support frame is fixed on the base.
When the propelling part is an electric push rod, the fixed end of the electric push rod is fixed at one end of the serve channel, and the telescopic end of the electric push rod is used for pushing the tennis; when the propelling part is a cylinder, the fixed end of the cylinder is fixed at one end of the ball serving channel, and the telescopic end of the cylinder is used for pushing the tennis ball.
The inner wall of the serving channel is provided with a sponge cushion for preventing the tennis from sliding out.
The end of the sleeve is fixed with a ball outlet.
The utility model has the advantages that:
1. the utility model discloses utilize the passageway of serve and rotatory sleeve cooperation, a be used for launching the volleyball, can simulate opponent transmission volleyball, take exercise training person's speed of catching the ball and the skill of catching the ball, when using, utilize propulsion member to promote tennis along the passageway motion of serving, the tennis can be through the sleeve when giving the power of tennis a quick advance, at this moment, the sleeve drives its high-speed rotation through rotary mechanism again, so the tennis can receive the side tangential force behind the sleeve, at this moment, the tennis will rotate simultaneously pitch arc motion after launching from sleeve end fixing's play ball mouth, reach the purpose of transmission volleyball.
2. The utility model discloses can also change the angle of service at will, when the angle of service is adjusted to needs, only need promote the service passageway and make its arc spout that sets up on driving the fixed slider of lateral wall along the support frame slide, pass plate body and support frame in proper order with the locking bolt of locking Assembly after the angle modulation is good, locking bolt and lock nut threaded connection are used for with the slider locking specific position in the arc spout.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the connection between the connecting member and the supporting frame of the present invention;
fig. 3 is a schematic structural view of the convex ring and the groove of the present invention.
Description of reference numerals:
1. a support frame; 2. a ball inlet cylinder; 3. a service passage; 4. a pusher member; 5. a sleeve; 6. a connecting member; 7. A slider; 8. an arc-shaped chute; 9. a convex ring; 10. a groove; 11. an end cap; 12. a driven pulley; 13. a driving pulley; 14. a synchronous belt; 15. a motor; 16. a base; 17. a transverse plate; 18. a vertical plate; 19. a plate body; 20. Locking the bolt; 21. and locking the nut.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Example 1:
the embodiment provides a tennis trainer with a rotatable tennis ball, which comprises a support frame 1, wherein a ball inlet tube 2 is arranged above the support frame 1, a service channel 3 is fixed at the non-ball inlet end of the ball inlet tube 2, a propelling part 4 for pushing the tennis ball is fixed at one end of the service channel 3, a sleeve 5 capable of rotating around the service channel 3 is sleeved at the other end of the service channel 3, a driven belt pulley 12 fixed with the sleeve 5 is sleeved on the outer side wall of the sleeve 5, the driven belt pulley 12 is connected with a driving belt pulley 13 through a synchronous belt 14, the driving belt pulley 13 is connected with an output shaft of a motor 15, and the motor 15 is fixed on the side wall of the ball inlet tube 2; the service passage 3 is connected with the support frame 1 through a connecting piece 6;
a convex ring 9 is fixed at one end of the service channel 3 connected with the sleeve 5, a groove 10 is correspondingly formed in the sleeve 5, the convex ring 9 is clamped in the groove 10, and an end cover 11 is detachably connected to the end of the groove 10 through a bolt;
the tennis trainer with the rotatable tennis ball provided by the application utilizes the matching of the serving channel 3 and the rotating sleeve 5 for launching the rotating ball, can simulate an opponent to launch the rotating ball to exercise the ball receiving speed and the ball receiving skill of a trainer, when in use, the propelling part 4 is utilized to push the tennis ball to move along the serving channel 3, and a force for rapidly advancing the tennis ball is provided for the tennis ball, and meanwhile, the tennis ball passes through the sleeve 5, and the sleeve 5 drives the tennis ball to rotate at a high speed through the rotating mechanism, so that the tennis ball is subjected to lateral shear force after passing through the sleeve 5, and then the tennis ball is launched from a ball outlet fixed at the end part of the sleeve 5 and rotates while doing arc motion, thereby achieving the purpose of launching the rotating ball; meanwhile, the service channel 3 and the sleeve 5 are matched with the groove 10 through the convex ring 9, so that the sleeve 5 can rotate around the service channel 3 at a high speed under the driving of the rotating mechanism, and the rotating speed of the tennis in the sleeve is ensured; simultaneously this application utilizes motor 15 to drive driving pulley 13 and rotates, and driving pulley 13 drives driven pulley 12 and rotates, and driven pulley 12 cover is established and is fixed at the lateral wall of sleeve 5, can drive sleeve 5 and rotate at a high speed when motor 15 rotates at a high speed, gives a side shear force through sleeve 5's tennis, reaches the purpose of launching the volleyball.
Example 2:
the difference between the present embodiment and embodiment 1 is that the connecting member 6 is a U-shaped connecting member, the U-shaped connecting member is formed by connecting a horizontal plate 17 and two vertical plates 18, the horizontal plate 17 is fixed on the side wall of the serving channel 3 by screws, and the side surfaces of the two vertical plates 18 are respectively fixed with a sliding block 7; the supporting frame 1 is provided with an arc-shaped sliding chute 8 matched with each sliding block 7, and the sliding blocks 7 are connected with the arc-shaped sliding chutes 8 in a sliding manner; the end part of the sliding block 7 is provided with a locking component for locking the sliding block 7 at a specific position in the arc-shaped sliding groove 8;
the locking assembly comprises a plate body 19, a locking bolt 20 and a locking nut 21, wherein the plate body 19 is fixed at the end part of the sliding block 7 and slides along the arc-shaped sliding groove 8 along with the sliding block 7; the plate body 19 is also provided with a threaded hole, and the support frame 1 is provided with a plurality of through holes matched with the threaded hole; the locking bolt 20 is in threaded connection with the locking nut 21 through a threaded hole and a through hole in sequence;
the tennis trainer capable of rotating tennis balls provided by the application can also change the serving angle at will, when the serving angle needs to be adjusted, only the serving channel 3 needs to be pushed manually to drive the sliding block 7 with the fixed side wall to slide along the arc-shaped sliding groove 8 formed in the support frame 1, after the angle is adjusted, the locking bolt 20 of the locking assembly sequentially penetrates through the plate body 19 and the support frame 1, and the locking bolt 20 is in threaded connection with the locking nut 21 and is used for locking the sliding block 7 at a specific position in the arc-shaped sliding groove 8; this application support frame 1 is the type of falling U support frame, and arc spout 8 has all been seted up to the U type both sides of the type of falling U support frame, and two risers 18 are located between the type of U support frame 1 to the fixed slider 7 in side of two risers 18 respectively with arc spout 8 sliding connection, utilize the cooperation of two sliders 7 and arc spout 8 to guarantee gliding stability, after sliding suitable position, utilize the locking subassembly to lock slider 7 at the interior particular position of arc spout 8.
Example 3:
this embodiment is different from embodiment 1 only in that,
the support frame 1 is fixed on a base 16; when the propelling part 4 is an electric push rod, the fixed end of the electric push rod is fixed at one end of the service channel 3, and the telescopic end of the electric push rod is used for pushing the tennis; when the propelling part 4 is a cylinder, the fixed end of the cylinder is fixed at one end of the ball serving channel 3, and the telescopic end of the cylinder is used for propelling the tennis; the inner wall of the ball serving channel 3 is provided with a sponge cushion for preventing the tennis ball from sliding out; a ball outlet is fixed at the end part of the sleeve 5.
The utility model discloses the theory of operation:
when the tennis trainer capable of rotating tennis balls is used, a plurality of tennis balls are sequentially placed into the ball inlet barrel 2, the bottom tennis ball falls into the ball serving channel 3 under the action of gravity, the inner wall of the ball serving channel 3 is provided with a sponge cushion for preventing the tennis balls from sliding out, and meanwhile, the tennis balls cannot slide out of the ball serving channel 3 and the sleeve 5 by adjusting the inclination angle of a ball outlet of the ball serving channel 3;
after tennis balls are placed, the ball serving angle is adjusted, when the ball serving angle needs to be adjusted, only the ball serving channel 3 needs to be pushed by hand to drive the sliding block 7 with the fixed side wall to slide along the arc-shaped sliding groove 8 formed in the support frame 1, after the angle is adjusted, the locking bolt 20 of the locking assembly sequentially penetrates through the plate body 19 and the support frame 1, the locking bolt 20 is in threaded connection with the locking nut 21 to lock the sliding block 7 at a specific position in the arc-shaped sliding groove 8, and then the ball serving angle is determined;
after the angle of serving is adjusted, the propelling part 4 is started, the propelling part 4 pushes the tennis to move along the serving channel, the tennis can be ejected out from the ball outlet fixed at the end part of the sleeve 5 after a fast forward force is given to the tennis, at the moment, the sleeve 5 drives the driving belt wheel 13 to rotate through the motor 15, the driving belt wheel 13 drives the driven belt wheel 12 to rotate, the driven belt wheel 12 is sleeved and fixed on the outer side wall of the sleeve 5, the sleeve 5 can be driven to rotate at a high speed when the motor 15 rotates at a high speed, a side tangential force is given to the tennis passing through the sleeve 5, and after the tennis is subjected to the side tangential force through the sleeve, the tennis is launched from the ball outlet fixed at the end part of the sleeve and then can rotate and do arc motion at the.
To sum up, the utility model provides a pair of tennis training ware of rotatable tennis can launch the sidespin ball, can also adjust service angle simultaneously, is used for taking exercise training person's sidespin ball catching technique specially.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (8)
1. A tennis trainer capable of rotating tennis balls is characterized by comprising a support frame (1), wherein a ball inlet tube (2) is arranged above the support frame (1), a ball serving channel (3) is fixed at the non-ball inlet end of the ball inlet tube (2), a propelling part (4) for propelling the tennis balls is fixed at one end of the ball serving channel (3), a sleeve (5) capable of rotating around the ball serving channel is sleeved at the other end of the ball serving channel (3), a driven belt wheel (12) fixed with the sleeve is sleeved on the outer side wall of the sleeve (5), the driven belt wheel (12) is connected with a driving belt wheel (13) through a synchronous belt (14), the driving belt wheel (13) is connected with an output shaft of a motor (15), and the motor (15) is fixed on the side wall of the ball inlet tube (2); the serving channel (3) is connected with the support frame (1) through a connecting piece (6).
2. The tennis training aid for rotatable tennis balls according to claim 1, wherein the connecting member (6) is a U-shaped connecting member, the U-shaped connecting member is formed by connecting a transverse plate (17) and two vertical plates (18), the transverse plate (17) is fixed on the side wall of the serving channel (3) through screws, and the side surfaces of the two vertical plates (18) are respectively fixed with a sliding block (7); the support frame (1) is provided with an arc-shaped sliding chute (8) matched with each sliding block (7), and the sliding blocks (7) are connected with the arc-shaped sliding chutes (8) in a sliding manner; the end part of the sliding block (7) is provided with a locking component used for locking the sliding block (7) at a specific position in the arc-shaped sliding groove (8).
3. The tennis training aid for rotatable tennis balls according to claim 1, wherein a protruding ring (9) is fixed at one end of the service channel (3) connected with the sleeve (5), a groove (10) is correspondingly formed in the sleeve (5), the protruding ring (9) is clamped in the groove (10), and an end cover (11) is detachably connected to the end of the groove (10) through a bolt.
4. The tennis training aid for rotatable tennis balls according to claim 2, wherein said locking assembly comprises a plate (19), a locking bolt (20) and a locking nut (21), the plate (19) is fixed at the end of said slider (7) and slides along said arc-shaped sliding groove (8) along with the slider (7); the plate body (19) is also provided with a threaded hole, and the support frame (1) is provided with a plurality of through holes matched with the threaded hole; the locking bolt (20) is in threaded connection with the locking nut (21) through a threaded hole and a through hole in sequence.
5. A rotatable tennis training aid according to claim 4, wherein said support (1) is fixed to a base (16).
6. The tennis training aid for rotatable tennis as claimed in claim 1, wherein when said propelling member (4) is an electric putter, the fixed end of the electric putter is fixed at one end of said serving channel (3), and the telescopic end of the electric putter is used for propelling the tennis; when the propelling piece (4) is a cylinder, the fixed end of the cylinder is fixed at one end of the ball serving channel (3), and the telescopic end of the cylinder is used for pushing the tennis ball.
7. Tennis training aid for rotatable tennis as claimed in claim 1, characterized in that the inner wall of said ball serving channel (3) is provided with sponge cushions for preventing tennis from slipping out.
8. A rotatable tennis training aid according to claim 1, wherein said sleeve (5) is provided with a ball outlet at the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921866473.4U CN210963845U (en) | 2019-11-01 | 2019-11-01 | Tennis training device capable of rotating tennis balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921866473.4U CN210963845U (en) | 2019-11-01 | 2019-11-01 | Tennis training device capable of rotating tennis balls |
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| Publication Number | Publication Date |
|---|---|
| CN210963845U true CN210963845U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921866473.4U Active CN210963845U (en) | 2019-11-01 | 2019-11-01 | Tennis training device capable of rotating tennis balls |
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| CN (1) | CN210963845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840954A (en) * | 2020-07-23 | 2020-10-30 | 吉林师范大学 | Tennis training device with rotatable tennis balls |
| CN112587896A (en) * | 2020-12-11 | 2021-04-02 | 广东医科大学 | Tennis training device with rotary tennis ball |
-
2019
- 2019-11-01 CN CN201921866473.4U patent/CN210963845U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840954A (en) * | 2020-07-23 | 2020-10-30 | 吉林师范大学 | Tennis training device with rotatable tennis balls |
| CN111840954B (en) * | 2020-07-23 | 2021-07-06 | 吉林师范大学 | Tennis training device with rotatable tennis balls |
| CN112587896A (en) * | 2020-12-11 | 2021-04-02 | 广东医科大学 | Tennis training device with rotary tennis ball |
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