CN109568915B - Racket-free tennis partner training device - Google Patents
Racket-free tennis partner training device Download PDFInfo
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- CN109568915B CN109568915B CN201811367731.4A CN201811367731A CN109568915B CN 109568915 B CN109568915 B CN 109568915B CN 201811367731 A CN201811367731 A CN 201811367731A CN 109568915 B CN109568915 B CN 109568915B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/38—Training appliances or apparatus for special sports for tennis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/407—Stationarily-arranged devices for projecting balls or other bodies with spring-loaded propelling means
Abstract
The invention discloses a racket-free tennis training partner device, which comprises a bottom plate and is characterized in that: the tennis training device comprises a base plate, a motor I, an arc-shaped supporting rod, an arc-shaped sliding block, a screw rod and a racket-free tennis training device, wherein the L-shaped supporting rod is fixed on the upper side of the base plate, a rotating shaft of the motor I penetrates through the middle of a vertical rod of the L-shaped supporting rod and is fixedly connected with the arc-shaped groove body, the motor I is fixedly connected to the L-shaped supporting rod through a motor supporting plate I, the arc-shaped sliding block is arranged in the arc-shaped groove body, the screw rod is fixed to one side of the arc-shaped sliding block and penetrates through a threaded connection nut of an opening in the side wall of the arc-shaped groove body, a first circular shaft is arranged in a circular hole in the middle of the arc-shaped sliding block, and one end.
Description
Technical Field
The invention relates to the field of sports equipment, in particular to a rackless tennis training partner device.
Background
Tennis is a very popular nationwide body-building project, tennis exercise can be very effectual strong people's health level, also can the training of effectual help professional sportsman carrying out basic merit, but general tennis exercise machine designs rationally inadequately to the new hand, alone the exercise need make a round trip to pick up the ball and clap, make the practitioner's patience reduce easily, simultaneously great to practitioner's physical demands, current tennis exercise device, the mode of launching the ball is mainly realized service through the extruded mode, it is great to the injury of tennis, and the exercise is inefficient, exercise adjustable degree is little, it is big to practitioner's physical demands, consequently need to develop a micro device that can swing in a flexible way.
Disclosure of Invention
The invention aims to provide a rackless tennis training device which is used for dust fall of an engineering environment in an engineering construction field.
The invention adopts the following technical scheme to realize the purpose of the invention:
a tennis sparring device without racket, which comprises a bottom plate, and is characterized in that: an L-shaped support rod is fixed on the upper side of the bottom plate, a rotating shaft of a motor I penetrates through the middle of a vertical rod of the L-shaped support rod and is fixedly connected with an arc-shaped groove body, the motor I is fixedly connected onto the L-shaped support rod through a motor support plate I, an arc-shaped sliding block is arranged in the arc-shaped groove body, a screw rod is fixed on one side of the arc-shaped sliding block and penetrates through a side wall opening of the arc-shaped groove body to be in threaded connection with a nut, a first circular shaft is arranged in a circular hole in the middle of the arc-shaped sliding block, one end of the first circular shaft is fixed in the middle of a transverse plate of the first U-shaped plate, two ends of the first U-shaped plate are respectively hinged to a third circular shaft fixed on two sides of the middle of a second circular shaft, the lower end of the second circular shaft is hinged to the middle of the upper side of the bottom plate, one end of a, a cylindrical collision block and a first spring are arranged in the launching tube, the rear end of the cylindrical collision block is fixedly connected with one end of the first spring, the other end of the spring I is fixedly connected with the bottom of the launching tube, the front end of the cylindrical collision block is fixedly provided with symmetrical poking circular shafts I, the two poking circular shafts respectively penetrate through sliding chutes arranged in the middle of the launching tube, the upper side of the middle part of the transmitting tube is fixedly communicated with a guide cylinder, a guide rod is arranged in the guide cylinder, the upper end of the guide rod is fixedly connected with the middle part of the second stirring round shaft, the middle part of a U-shaped plate III is fixed at the lower side of the middle part of the launching tube, a motor supporting plate II is fixed at one side of the U-shaped plate III, a second motor is fixed on the second motor supporting plate, an output shaft of the second motor is fixedly connected with a fifth round shaft, two ends of the round shaft five are respectively hinged to penetrate through the upper ends of the U-shaped plates III, and symmetrical shift levers are arranged on the round shaft five.
As a further limitation of the technical scheme, one of the circular shafts is hinged to pass through the center of one end of the U-shaped plate II and is fixedly connected with the disc.
As a further limitation of the technical scheme, the eccentric part of the disc is in threaded connection with a jackscrew.
As a further limitation of the technical proposal, a cylinder is fixedly communicated with the upper side of the launching tube.
As a further limitation of the technical scheme, the upper end opening of the cylinder is fixedly communicated with the bottom opening of the tennis barrel through a threaded pipe.
As a further limitation of the technical solution, the tennis barrel is symmetrically fixed with two upright columns at the lower side wall, and the two upright columns are symmetrically and fixedly connected at the upper side.
As a further limitation of the technical solution, the guide rod is sleeved with a second spring.
As a further limitation of the technical scheme, the upper end of the second spring is fixedly connected to the second poking circular shaft, and the lower end of the second spring is fixedly connected to the upper end of the guide cylinder.
As a further limitation of this solution, the inner diameter of said threaded tube, said cylinder and said launching tube is the same as the diameter of a tennis ball.
Compared with the prior art, the invention has the advantages and positive effects that: when the device is used, firstly, sufficient tennis balls are added into a tennis barrel, the tennis balls sequentially enter a launching tube from an opening at the bottom of the tennis barrel through a threaded tube and a cylinder, a jackscrew is screwed off from the launching tube, a rotary disc drives a round shaft IV to rotate, the round shaft IV drives the launching tube to swing, the launching tube drives a U-shaped plate III, a motor II, the cylinder and the like to swing, after the launching tube swings to a required angle, the rotary disc is stopped, the jackscrew is screwed down, the jackscrew is tightly fixed on one side of the U-shaped plate II, and the angle between the launching tube and a bottom plate is fixed. The nut is screwed down, the screw rod is moved, the screw rod drives the arc-shaped sliding block to slide in the arc-shaped groove body, the closer the arc-shaped sliding block is to a rotating shaft of the motor I, the smaller the left-right swinging angle of the launching tube is during movement, the smaller the range of launching tennis balls is, the farther the arc-shaped sliding block is from the rotating shaft of the motor I, the larger the left-right swinging angle of the launching tube is during movement, the larger the range of launching tennis balls is, when the arc-shaped sliding block slides to a required position in the arc-shaped groove body, the nut is screwed down, the nut is tightly fixed on the arc-shaped groove body, the arc-shaped sliding block is fixed on the arc-shaped groove body, the motor II is started to drive the circular shaft II to rotate, the circular shaft V drives the two deflector rods to rotate, the two deflector rods firstly stir the corresponding stirring circular shaft I to slide along the sliding groove backwards, the two stirring, the first spring is compressed, when the cylindrical collision block moves backwards and leaves the lower part of the guide rod in the backward movement process of the cylindrical collision block, the second spring rebounds, the guide rod moves downwards along the guide cylinder and falls into the front side of the cylindrical collision block, the two deflector rods continue to rotate and separate from the first stirring round shaft, the cylindrical collision block stops moving under the obstruction of the guide rod, the two deflector rods continue to rotate and separate from the first stirring round shaft and then contact the two ends of the second stirring round shaft, the two deflector rods rotate to drive the second stirring round shaft to move upwards, the second stirring round shaft drives the second spring to stretch upwards, the guide rod moves upwards along the guide cylinder, the guide rod separates from the front end of the cylindrical collision block, the first spring rebounds, the cylindrical collision block rapidly moves forwards in the launching tube to collide a tennis ball, the tennis ball is popped out of the launching tube, the launching of the tennis ball is realized, the two deflector rods continue to rotate and separate from the second stirring round, the circulating launching of the tennis balls is realized. Starting a motor I when starting a motor II, driving the arc-shaped groove body to rotate by the motor I, driving the arc-shaped sliding block to rotate by the arc-shaped groove body, driving one end corresponding to the U-shaped plate I to do circular motion by the arc-shaped sliding block through the first circular shaft, driving the second circular shaft to swing in a reciprocating mode by the first U-shaped plate through the two third circular shafts, driving the second U-shaped plate to swing in a reciprocating mode by the second circular shaft, driving the launching tube, the second motor, the cylinder and the like to swing in a reciprocating mode by the second U-shaped plate through the four circular shafts, and enabling tennis balls ejected from the. This device novel structure, the simple operation, the training can regulate and control the degree height, and the training is efficient, the facilitate promotion.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a first schematic view of a part of the connection structure of the present invention.
FIG. 3 is a second schematic view of a part of the connection structure of the present invention.
Fig. 4 is a third schematic view of a part of the connection structure of the components of the present invention.
Fig. 5 is a schematic view of a part of the connection structure of the present invention.
Fig. 6 is a schematic view showing a connection structure of parts according to the present invention.
Fig. 7 is a schematic view six of a part of the connection structure of the present invention.
Fig. 8 is a schematic view six of a part of the connection structure of the present invention.
Fig. 9 is a schematic view six of a part of the connection structure of the present invention.
Fig. 10 is a schematic view six of the connection structure of parts of the present invention.
Fig. 11 is a partial cross-sectional view of the connection structure of the present invention.
In the figure: 1. the tennis ball barrel comprises a tennis ball barrel, 2, a threaded pipe, 3, a cylinder, 4, a second motor, 5, a launching pipe, 6, an L-shaped supporting rod, 7, a second circular shaft, 8, a first U-shaped plate, 9, an arc-shaped groove body, 11, a first motor supporting plate, 12, a bottom plate, 13, a stand column, 14, a third U-shaped plate, 15, a second U-shaped plate, 16, a disc, 17, a jackscrew, 18, a second poking circular shaft, 19, a second spring, 20, a guide rod, 21, a poking rod, 22, a sliding groove, 23, a first poking circular shaft, 24, an arc-shaped sliding block, 25, a first circular shaft, 26, a nut, 27, a screw rod, 28, a third circular shaft, 29, a fourth circular shaft, 30, a guide cylinder, 31, a second motor supporting plate, 32, a cylindrical bump, 33.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-11, the invention comprises a bottom plate 12, an L-shaped support rod 6 is fixed on the upper side of the bottom plate 12, a rotating shaft of a motor 10 penetrates through the middle of a vertical rod of the L-shaped support rod 6 and is fixedly connected with an arc-shaped groove body 9, the motor 10 is fixedly connected with the L-shaped support rod 6 through a motor support plate 11, an arc-shaped slider 24 is arranged in the arc-shaped groove body 9, a screw 27 is fixed on one side of the arc-shaped slider 24, the screw 27 penetrates through a side wall opening of the arc-shaped groove body 9 and is connected with a nut 26 in a threaded manner, a circular shaft I25 is arranged in a circular hole in the middle of the arc-shaped slider 24, one end of the circular shaft I25 is fixed in the middle of a transverse plate of a U-shaped plate I8, two ends of the U-shaped plate I8 are respectively hinged, the upper end of the second round shaft 7 is hinged to and penetrates through the lower side of the middle part of a transverse rod at the upper part of the L-shaped support rod 6, one end of the second U-shaped plate 15 is fixedly connected with the lower side of the middle part of the transverse plate, two ends of the second U-shaped plate 15 are respectively hinged to four round shafts 29 symmetrically fixed on the outer wall of the emission tube 5, a first cylinder collision block 32 and a first spring 34 are arranged in the emission tube 5, the rear end of the first cylinder collision block 32 is fixedly connected with one end of the first spring 34, the other end of the first spring 34 is fixedly connected to the bottom of the emission tube 5, first symmetrical poking round shafts 23 are fixed at the front end of the first cylinder collision block 32, the two first poking round shafts 23 respectively penetrate through sliding grooves 22 formed in the middle part of the emission tube 5, a guide tube 30 is fixedly communicated with the upper side of the middle part of the emission tube 5, a guide rod 20 is arranged in the guide tube 30, the, a second motor supporting plate 31 is fixed on one side of the third U-shaped plate 14, a second motor 4 is fixed on the second motor supporting plate 31, an output shaft of the second motor 4 is fixedly connected with a fifth round shaft 33, two ends of the fifth round shaft 33 are respectively hinged to and penetrate through the upper end of the third U-shaped plate 14, and symmetrical shift levers 21 are arranged on the fifth round shaft 33.
One of the round shafts four 29 is hinged and penetrates through one end of the U-shaped plate two 15 to be fixedly connected with the center of the circular disc 16.
The eccentric part of the disc 16 is in threaded connection with a top thread 17.
The upper side of the launching tube 5 is fixedly communicated with a cylinder 3.
The upper end opening of the cylinder 3 is fixedly communicated with the bottom opening of the tennis barrel 1 through a threaded pipe 2.
The tennis barrel 1 is characterized in that upright posts 13 are symmetrically fixed on the side wall of the lower side of the tennis barrel 1, and the two upright posts 13 are symmetrically and fixedly connected to the upper side of the tennis barrel 12.
The guide rod 20 is sleeved with a second spring 19.
The upper end of the second spring 19 is fixedly connected to the second toggle round shaft 18, and the lower end of the second spring 19 is fixedly connected to the upper end of the guide cylinder 30.
The inner diameter of the threaded tube 2, the cylinder 3 and the launching tube 5 is the same as the diameter of a tennis ball.
The working process of the invention is as follows: when the device is used, firstly, sufficient tennis balls are added into the tennis barrel 1, the tennis balls sequentially enter the launching tube 5 from the bottom opening of the tennis barrel 1 through the threaded tube 2 and the cylinder 3, the jackscrew 17 is screwed off from the launching tube 5, the circular disc 16 is rotated to drive the circular shaft IV 29 to rotate, the circular shaft IV 29 drives the launching tube 5 to swing, the launching tube 5 drives the U-shaped plate III 14, the motor II 4, the cylinder 3 and the like to swing, after the launching tube 5 swings to a required angle, the circular disc 16 is stopped to rotate, the jackscrew 17 is screwed, the jackscrew 17 is fixedly abutted to one side of the U-shaped plate II 15, and the angle between the launching tube 5 and the bottom plate 12 is fixed. The nut 26 is screwed off, the screw rod 25 is moved, the screw rod 25 drives the arc-shaped sliding block 24 to slide in the arc-shaped groove body 9, the closer the arc-shaped sliding block 24 is to the rotating shaft of the motor I10, the smaller the left-right swinging angle of the launching tube 5 during movement is, the smaller the tennis launching range is, the farther the arc-shaped sliding block 24 is from the rotating shaft of the motor I10, the larger the left-right swinging angle of the launching tube 5 during movement is, the larger the tennis launching range is, when the arc-shaped sliding block 24 slides to a required position in the arc-shaped groove body 9, the nut 26 is screwed down, the nut 26 is tightly fixed on the arc-shaped groove body 9 in a propping manner, the arc-shaped sliding block 24 is fixed on the arc-shaped groove body 9, the motor II 4 is started to drive the circular shaft 33 to rotate, the circular shaft V33 drives the two shift levers 21 to rotate, the two shift levers 21 firstly shift the corresponding shift the first shift circular shaft 23 to slide towards the rear, when a tennis ball falls into the launching tube 5 from the cylinder 3, the first spring 34 is compressed, the second spring 19 rebounds, the guide rod 20 moves downwards along the guide tube 30 and falls into the front side of the cylindrical collision block 32 during the backward movement of the cylindrical collision block 32, the two shift levers 21 continue to rotate and separate from the first shift round shaft 23, the cylindrical collision block 32 stops moving under the obstruction of the guide rod 20, the two shift levers 21 continue to rotate and separate from the first shift round shaft 23 and then contact the two ends of the second shift round shaft 18, the two shift levers 21 rotate and drive the second shift round shaft 18 to move upwards, the second shift round shaft 18 drives the second spring 19 to stretch upwards, the guide rod 20 moves upwards along the guide tube 30, the guide rod 20 separates from the front end of the cylindrical collision block 32, the first spring 34 rebounds, the cylindrical collision block 32 moves forwards and quickly in the launching tube 5 to collide with the tennis ball, and the tennis ball is ejected from the launching tube 5, the tennis ball launching is realized, the two poking rods 21 continue to rotate and leave the poking circular shaft II 18 to contact the poking circular shaft I23 again, the next tennis ball launching is carried out, and the tennis ball circulating launching is realized. When the motor II 4 is started, the motor I10 drives the arc-shaped groove body 9 to rotate, the arc-shaped groove body 9 drives the arc-shaped sliding block 24 to rotate, the arc-shaped sliding block 24 drives one end corresponding to the U-shaped plate I14 to do circular motion through the circular shaft I25, the U-shaped plate I14 drives the circular shaft II 7 to swing in a reciprocating mode through the two circular shafts III 28, the circular shaft II 7 drives the U-shaped plate II 15 to swing in a reciprocating mode, the U-shaped plate II 15 drives the launching tube 5, the motor II 4, the cylinder 3 and the like to swing in a reciprocating mode through the circular shaft IV 29, and therefore tennis balls ejected from the launching tube 5.
The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. A rackless tennis training device comprises a base plate (12), and is characterized in that: the upper side of the bottom plate (12) is fixedly provided with an L-shaped supporting rod (6), a rotating shaft of a motor I (10) penetrates through the middle of a vertical rod of the L-shaped supporting rod (6) and is fixedly connected with an arc-shaped groove body (9), the motor I (10) is fixedly connected onto the L-shaped supporting rod (6) through a motor supporting plate I (11), an arc-shaped sliding block (24) is arranged in the arc-shaped groove body (9), a screw rod (27) is fixed on one side of the arc-shaped sliding block (24), the screw rod (27) penetrates through a side wall opening threaded connection nut (26) of the arc-shaped groove body (9), a round shaft I (25) is arranged in a round hole in the middle of the arc-shaped sliding block (24), one end of the round shaft I (25) is fixed in the middle of a transverse plate I (8), two ends of the U-shaped plate I (8) are respectively hinged, the lower end of the second round shaft (7) is hinged to the middle of the upper side of the bottom plate (12), the upper end of the second round shaft (7) is hinged to penetrate through the transverse plate middle lower side of one end of a transverse rod at the upper part of the L-shaped supporting rod (6) and fixedly connected with the second U-shaped plate (15), the two ends of the second U-shaped plate (15) are hinged to the fourth round shaft (29) symmetrically fixed to the outer wall of the transmitting tube (5) respectively, a cylindrical collision block (32) and a first spring (34) are arranged in the transmitting tube (5), the rear end of the cylindrical collision block (32) is fixedly connected with one end of the first spring (34), the other end of the first spring (34) is fixedly connected to the bottom of the transmitting tube (5), the front end of the cylindrical collision block (32) is fixedly provided with a symmetrical first stirring round shaft (23), and the two first stirring round shafts (23) penetrate through sliding grooves (22) formed in, the fixed intercommunication of launching tube (5) middle part upside has guide cylinder (30), be equipped with guide arm (20) in guide cylinder (30), guide arm (20) upper end fixed connection is in the middle part of stirring round axle two (18), the fixed middle part with U-shaped board three (14) of launching tube (5) middle part downside, one side of U-shaped board three (14) is fixed with motor support board two (31), be fixed with motor two (4) on motor support board two (31), the output shaft fixed connection round axle five (33) of motor two (4), articulated the passing respectively in the both ends of round axle five (33) the upper end of U-shaped board three (14), be equipped with the driving lever (21) of symmetry on round axle five (33).
2. The racket-free tennis training aid of claim 1, wherein: one round shaft four (29) is hinged and penetrates through the center of one end of the U-shaped plate two (15) and is fixedly connected with the disc (16).
3. The racket-free tennis training aid of claim 2, wherein: the eccentric part of the disc (16) is in threaded connection with a jackscrew (17).
4. The racket-free tennis training aid of claim 1, wherein: the upper side of the launching tube (5) is fixedly communicated with a cylinder (3).
5. The racket-free tennis training aid of claim 4, wherein: the upper end opening of the cylinder (3) is fixedly communicated with the bottom opening of the tennis barrel (1) through a threaded pipe (2).
6. The racket-free tennis training aid of claim 5, wherein: the tennis barrel is characterized in that upright posts (13) are symmetrically fixed on the side wall of the lower side of the tennis barrel (1), and the two upright posts (13) are symmetrically and fixedly connected to the upper side of the bottom plate (12).
7. The racket-free tennis training aid of claim 1, wherein: the guide rod (20) is sleeved with a second spring (19).
8. The racket-free tennis training aid of claim 7, wherein: the upper end of the second spring (19) is fixedly connected to the second toggle round shaft (18), and the lower end of the second spring (19) is fixedly connected to the upper end of the guide cylinder (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367731.4A CN109568915B (en) | 2018-11-16 | 2018-11-16 | Racket-free tennis partner training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367731.4A CN109568915B (en) | 2018-11-16 | 2018-11-16 | Racket-free tennis partner training device |
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| Publication Number | Publication Date |
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| CN109568915A CN109568915A (en) | 2019-04-05 |
| CN109568915B true CN109568915B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811367731.4A Active CN109568915B (en) | 2018-11-16 | 2018-11-16 | Racket-free tennis partner training device |
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| CN (1) | CN109568915B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112221104A (en) * | 2020-10-24 | 2021-01-15 | 邵阳学院 | Special vibration discharge type football pitching machine for football training |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434029Y (en) * | 2000-08-14 | 2001-06-13 | 陈文瑞 | Automatic service robot structure |
| US20020098921A1 (en) * | 2001-01-19 | 2002-07-25 | Paul Parkinson | Tennis practice device using simulation |
| CN2889403Y (en) * | 2006-04-17 | 2007-04-18 | 辽宁师范大学 | Tennis serving machine for exercising |
| KR20100068030A (en) * | 2008-12-12 | 2010-06-22 | 나인석 | Pitching machine |
| CN106730749A (en) * | 2015-11-20 | 2017-05-31 | 华南理工大学 | A kind of tennis transmitter |
| CN205730245U (en) * | 2016-05-31 | 2016-11-30 | 陕西学前师范学院 | A kind of tennis service device |
| CN206081556U (en) * | 2016-10-12 | 2017-04-12 | 南昌师范学院 | Jet tennis service robot |
| CN107349586A (en) * | 2017-08-21 | 2017-11-17 | 郑州大学 | A kind of tennis ball serving device for physical education training |
| CN107875615B (en) * | 2017-11-17 | 2020-06-16 | 电子科技大学 | Intelligent badminton pitching machine |
| CN207640928U (en) * | 2017-12-27 | 2018-07-24 | 成都理工大学工程技术学院 | A kind of table tennis ball serving device |
| CN108744467A (en) * | 2018-04-26 | 2018-11-06 | 陈鸽 | A kind of table tennis intelligence service robot |
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Effective date of registration: 20210106 Address after: Town group 221000, Xuzhou City, Xuzhou City, Jiangsu Province Patentee after: De Hao processings of farm products Co.,Ltd. of Pizhou City Address before: 136000 1301 Haifeng Avenue, Siping City, Jilin Province Patentee before: JILIN NORMAL University |
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