CN112044044A - Tennis training device - Google Patents
Tennis training device Download PDFInfo
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- CN112044044A CN112044044A CN202010762615.3A CN202010762615A CN112044044A CN 112044044 A CN112044044 A CN 112044044A CN 202010762615 A CN202010762615 A CN 202010762615A CN 112044044 A CN112044044 A CN 112044044A
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- plate
- fixedly connected
- threaded rod
- bevel gear
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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
- A63B69/38—Training appliances or apparatus for special sports for tennis
- A63B69/385—Training appliances or apparatus for special sports for tennis for practising the serve
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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
- A63B69/40—Stationarily-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)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a tennis training device, and particularly relates to the technical field of physical training instruments. According to the invention, the motor works to drive the second threaded rod to rotate so as to drive the threaded sleeve to move, the threaded sleeve moves to drive the second supporting plate to deflect so as to drive the ball outlet pipe to deflect, the angle of the ball outlet pipe is adjusted, the handle is rotated so as to drive the first threaded rod to rotate, and further the second transverse plate is driven to move downwards, so that the limiting plate is driven to slide on the limiting rod, the ball serving angle is conveniently adjusted, the training effect is good, the height is conveniently adjusted, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of physical training instruments, in particular to a tennis training device.
Background
Tennis is a kind of ball game, usually go on between two single players or two pairs of combination players, the player spanks the tennis with the tennis through the net on the tennis, the tennis is prevailing all over the world at present, called world second big ball game, the time that the tennis gets into China is also earlier, but the development is slow, until the appearance of Chinese tennis-sister Lina, make more Chinese audiences begin to love to go to tennis, 2011 Fa Fangguan, let the tennis in Chinese development step a new step. More and more people begin to like playing tennis and learning tennis; the improvement of tennis technique requires repeated training of serve technique, catch technique and pace to achieve the effect of improving tennis technique.
The existing training device is difficult to adjust the height, has a small application range, is inconvenient to adjust the serve angle and has poor training effect.
Disclosure of Invention
Therefore, the tennis training device provided by the embodiment of the invention has the advantages that the second threaded rod is driven to rotate through the work of the motor, so that the threaded sleeve is driven to move, the threaded sleeve moves to drive the second supporting plate to deflect, so that the ball outlet pipe is driven to deflect, the angle of the ball outlet pipe is adjusted, the handle is rotated to drive the first threaded rod to rotate, so that the second transverse plate is driven to move downwards, the limiting plate is driven to slide on the limiting rod, the ball serving angle is conveniently adjusted, the training effect is good, the height is conveniently adjusted, the application range is wide, and the problems that the height is difficult to adjust and the ball serving angle is inconvenient to adjust in the prior art are solved.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a tennis training device comprises a top plate, wherein a ball outlet pipe is arranged at the top of the top plate, a pitching machine is fixedly connected to one side of the ball outlet pipe, a moving mechanism is arranged at the top of the top plate, and an adjusting mechanism is arranged at the bottom of the top plate;
the moving mechanism comprises a motor, the motor is fixedly connected with one side of the top plate, a sliding groove is formed in the top end of the top plate, a second threaded rod is arranged in the sliding groove, one end of the second threaded rod penetrates through one side of the top plate and is fixedly connected with an output shaft of the motor, a threaded sleeve is sleeved on the outer peripheral surface of the second threaded rod and is in threaded connection with the second threaded rod, a second supporting plate is arranged at the top of the top plate, two ends of the second supporting plate are respectively movably connected with the ball outlet pipe and the threaded sleeve through movable hinges, a third supporting plate is arranged on one side of the second supporting plate, the bottom end of the third supporting plate is fixedly connected with the top end of the top plate, the top end of the third supporting plate is movably connected with the bottom end of the ball outlet pipe through;
the adjusting mechanism comprises two first bottom plates, the top ends of the two first bottom plates are fixedly connected with the bottom end of the top plate, the bottom parts of the two first bottom plates are respectively provided with a second bottom plate, a first supporting plate is arranged between the two second bottom plates and the first bottom plate at the corresponding position, the top ends of the two first supporting plates are respectively fixedly connected with the bottom ends of the first bottom plates at the corresponding positions, the bottom ends of the two first supporting plates respectively penetrate through the top ends of the second bottom plates at the corresponding positions, a first transverse plate is fixedly connected between the two first bottom plates, and a second transverse plate is fixedly connected between the two second bottom plates, a first threaded rod is arranged between the first transverse plate and the second transverse plate, two ends of the first threaded rod respectively penetrate through the first transverse plate and the second transverse plate, and the first threaded rod is in threaded connection with the second transverse plate, the top end of the first transverse plate is provided with a handle, and the top end of the first threaded rod is fixedly connected with the handle.
Furthermore, one side of the top plate, which is far away from the motor, is fixedly connected with a vertical plate, a second bevel gear is arranged inside the vertical plate, and one end, which is far away from the motor, of the second threaded rod penetrates through one side of the top plate and the vertical plate and is fixedly connected with the second bevel gear.
Furthermore, a rotating shaft is arranged on one side of the second bevel gear, the top end of the rotating shaft is movably connected with the top end inside the vertical plate through a bearing, a first bevel gear is fixedly sleeved on the peripheral surface of the rotating shaft, and the first bevel gear is meshed with the second bevel gear.
Further, the inside fixedly connected with baffle of riser, the baffle is located first bevel gear bottom, the fixed cover of riser outer peripheral face is equipped with the air inlet cover, pivot one end runs through the baffle and extends into the air inlet cover inside, the air inlet cover is inside to be equipped with a plurality of flabellums, and is a plurality of the equal fixed connection of flabellum is in the pivot outer peripheral face, the air outlet has all been seted up to the riser both sides, two the air outlet all is located the baffle bottom.
Furthermore, a pipe cover is arranged at the top end of the ball storage pipe, and the pipe cover and the ball storage pipe are locked through a hasp.
Further, the bottom end of the top plate is fixedly connected with a slide bar, one end of the slide bar penetrates through the first transverse plate and the second transverse plate, a spring is fixedly connected between the first transverse plate and the second transverse plate, and the spring is sleeved on the peripheral face of the slide bar.
Further, two inside two spacing grooves, four of all having seted up of second bottom plate the spacing inslot portion all is equipped with the gag lever post, four the gag lever post respectively with relevant position's second bottom plate fixed connection, four the gag lever post outer peripheral face all overlaps and is equipped with the limiting plate, four the limiting plate respectively with relevant position's first backup pad fixed connection.
Further, two equal fixedly connected with of second bottom plate bottom removes the wheel.
The invention has the following advantages:
1. the second threaded rod is driven to rotate by the working of the motor, the threaded sleeve is in threaded connection with the second threaded rod, the second support plate limits the rotation of the threaded sleeve, so the second threaded rod rotates to drive the threaded sleeve to move, the two ends of the second support plate are respectively movably connected with the ball outlet pipe and the threaded sleeve through the movable hinged support, and the top end of the third support plate is movably connected with the ball outlet pipe through the movable hinged support, so the threaded sleeve moves to drive the second support plate to deflect, so the ball outlet pipe is driven to deflect, the angle of the ball outlet pipe is adjusted, and compared with the prior art, the ball serving angle is conveniently adjusted, and the training effect is good;
2. according to the invention, the handle is rotated to drive the first threaded rod to rotate, the first threaded rod is in threaded connection with the second transverse plate, and the slide rod limits the rotation of the second transverse plate, so that the first threaded rod rotates to drive the second transverse plate to move downwards, thereby driving the spring to extend, and meanwhile, the second transverse plate moves downwards to drive the second bottom plate to move downwards, thereby driving the limiting plate to slide on the limiting rod, and preventing the first supporting plate from moving out of the second bottom plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is an enlarged view of structure A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure B of FIG. 2 according to the present invention;
FIG. 5 is a top view of a second cross plate of the present invention;
FIG. 6 is a top cross-sectional view of the riser of the present invention;
FIG. 7 is a perspective view of a second threaded shank portion of the present invention;
in the figure: the automatic ball feeder comprises a top plate 1, a first bottom plate 2, a handle 3, a movable wheel 4, a first threaded rod 5, a first transverse plate 6, a spring 7, a second transverse plate 8, a sliding rod 9, a second bottom plate 10, a first supporting plate 11, an air inlet sleeve 12, fan blades 13, a rotating shaft 14, an air outlet 15, a separating plate 16, a vertical plate 17, a second threaded rod 18, a sliding groove 19, a threaded sleeve 20, a second supporting plate 21, a ball outlet pipe 22, a pipe cover 23, a ball storage pipe 24, a ball serving machine 25, a motor 26, a third supporting plate 27, a limiting groove 28, a limiting rod 29, a limiting plate 30, a first bevel gear 31 and a second bevel gear 32.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1, 2, 4, 6 and 7 of the specification, the tennis training device of the embodiment comprises a top plate 1, a ball outlet pipe 22 is arranged at the top of the top plate 1, a pitching machine 25 is fixedly connected to one side of the ball outlet pipe 22, a moving mechanism is arranged at the top of the top plate 1, an adjusting mechanism is arranged at the bottom of the top plate 1, the moving mechanism comprises a motor 26, the motor 26 is fixedly connected to one side of the top plate 1, a sliding groove 19 is formed at the top end of the top plate 1, a second threaded rod 18 is arranged in the sliding groove 19, one end of the second threaded rod 18 penetrates through one side of the top plate 1 and is fixedly connected with an output shaft of the motor 26, a threaded sleeve 20 is sleeved on the outer circumferential surface of the second threaded rod 18, the threaded sleeve 20 is in threaded connection with the second threaded rod 18, a second support plate 21 is arranged at the top of the top plate 1, two ends of the, second backup pad 21 one side is equipped with third backup pad 27, third backup pad 27 bottom and roof 1 top fixed connection, just third backup pad 27 top and play bulb 22 bottom are through activity free bearing swing joint, play bulb 22 top fixedly connected with stores up bulb 24.
Further, a vertical plate 17 is fixedly connected to one side, away from the motor 26, of the top plate 1, a second bevel gear 32 is arranged inside the vertical plate 17, and one end, away from the motor 26, of the second threaded rod 18 penetrates through the top plate 1 and one side of the vertical plate 17 and is fixedly connected with the second bevel gear 32, so that the second bevel gear 32 is conveniently driven to rotate.
Furthermore, a rotating shaft 14 is arranged on one side of the second bevel gear 32, the top end of the rotating shaft 14 is movably connected with the top end inside the vertical plate 17 through a bearing, a first bevel gear 31 is fixedly sleeved on the outer peripheral surface of the rotating shaft 14, and the first bevel gear 31 is meshed with the second bevel gear 32, so that the rotating shaft 14 is conveniently driven to rotate.
Furthermore, a partition plate 16 is fixedly connected inside the vertical plate 17, the partition plate 16 is located at the bottom of the first bevel gear 31, an air inlet sleeve 12 is fixedly sleeved on the outer peripheral surface of the vertical plate 17, one end of the rotating shaft 14 penetrates through the partition plate 16 and extends into the air inlet sleeve 12, a plurality of fan blades 13 are arranged inside the air inlet sleeve 12, the fan blades 13 are fixedly connected to the outer peripheral surface of the rotating shaft 14, air outlets 15 are formed in two sides of the vertical plate 17, and the two air outlets 15 are located at the bottom of the partition plate 16 to generate suction force so as to suck nearby scattered tennis balls.
Further, a pipe cover 23 is arranged at the top end of the ball storage pipe 24, and the pipe cover 23 and the ball storage pipe 24 are locked through a hasp, so that tennis balls can be conveniently added.
The implementation scenario is specifically as follows: the worker opens the tube cap 23 and adds tennis balls into the ball storage tube 24, the tennis balls enter the ball outlet tube 22, then the pitching machine 25 is started, the pitching machine 25 works to fly the tennis balls in the ball outlet tube 22, the motor 26 is started, the motor 26 works to drive the second threaded rod 18 to rotate, the second support plate 21 limits the rotation of the threaded sleeve 20 due to the threaded sleeve 20 being in threaded connection with the second threaded rod 18, the second threaded rod 18 rotates to drive the threaded sleeve 20 to move, the two ends of the second support plate 21 are respectively in movable connection with the ball outlet tube 22 and the threaded sleeve 20 through movable hinges, the top end of the third support plate 27 is in movable connection with the ball outlet tube 22 through a movable hinge, the threaded sleeve 20 moves to drive the second support plate 21 to deflect, so as to drive the ball outlet tube 22 to deflect and adjust the angle of the ball outlet tube 22, the pitching angle is convenient to adjust, the training effect is good, meanwhile, the second threaded rod 18 rotates to drive, because the second bevel gear 32 is meshed with the first bevel gear 31, the second bevel gear 32 rotates to drive the first bevel gear 31 to rotate, so as to drive the rotating shaft 14 to rotate, further drive the fan blades 13 to rotate, the fan blades 13 rotate to generate suction, and the scattered tennis balls are sucked, so that the tennis ball picking-up by a worker is facilitated.
Referring to the attached drawings 1, 2, 3 and 5 of the specification, the tennis training device of the embodiment comprises an adjusting mechanism, the adjusting mechanism comprises two first bottom plates 2, the top ends of the two first bottom plates 2 are fixedly connected with the bottom end of a top plate 1, the bottoms of the two first bottom plates 2 are respectively provided with a second bottom plate 10, a first supporting plate 11 is arranged between the two second bottom plates 10 and the first bottom plates 2 at corresponding positions, the top ends of the two first supporting plates 11 are respectively fixedly connected with the bottom ends of the first bottom plates 2 at corresponding positions, the bottom ends of the two first supporting plates 11 respectively penetrate through the top ends of the second bottom plates 10 at corresponding positions, a first transverse plate 6 is fixedly connected between the two first bottom plates 2, a second transverse plate 8 is fixedly connected between the two second bottom plates 10, a first threaded rod 5 is arranged between the first transverse plate 6 and the second transverse plate 8, and two ends of the first transverse plate 5 respectively penetrate through the first transverse plate 6 and the second transverse plate 8, and first threaded rod 5 and 8 threaded connection of second diaphragm, 6 tops of first diaphragm are equipped with handle 3, 5 tops of first threaded rod and 3 fixed connection of handle.
Further, top plate 1 bottom fixedly connected with slide bar 9, slide bar 9 one end runs through first diaphragm 6 and second diaphragm 8, fixedly connected with spring 7 between first diaphragm 6 and the second diaphragm 8, spring 7 cover is established at slide bar 9 outer peripheral face, improves stability.
Further, two inside two spacing grooves 28, four of all having seted up of second bottom plate 10 the inside gag lever post 29, four of all being equipped with of gag lever post 28 gag lever post 29 respectively with relevant position's second bottom plate 10 fixed connection, four gag lever post 29 outer peripheral face all overlaps and is equipped with limiting plate 30, four limiting plate 30 respectively with relevant position's first backup pad 11 fixed connection, prevent that first backup pad 11 from removing inside second bottom plate 10.
Furthermore, two moving wheels 4 are fixedly connected to the bottom ends of the two second bottom plates 10, so that the invention is convenient to move.
The implementation scenario is specifically as follows: the staff rotates handle 3 and thus drives first threaded rod 5 and rotates, because first threaded rod 5 and second diaphragm 8 threaded connection, slide bar 9 restricts second diaphragm 8 and rotates, so first threaded rod 5 rotates and drives second diaphragm 8 and move down, thereby drive spring 7 extension, slide bar 9 prevents spring 7 and takes place to warp when extending or shortening, stability is improved, second diaphragm 8 moves down simultaneously and drives second bottom plate 10 and move down, thereby drive limiting plate 30 and slide on gag lever post 29, prevent that first backup pad 11 from moving out of second bottom plate 10 inside, conveniently adjust the height, application scope is wide, through setting up movable wheel 4, conveniently remove the invention, this embodiment has specifically solved the problem that height-adjusting is difficult in the prior art.
The working principle is as follows:
referring to the attached drawings 1, 2, 4, 6 and 7 of the specification, a worker starts a motor 26, the motor 26 works to drive a second threaded rod 18 to rotate, the second threaded rod 18 rotates to drive a threaded sleeve 20 to move, as the two ends of a second supporting plate 21 are respectively movably connected with a ball outlet pipe 22 and the threaded sleeve 20 through movable hinges, and the top end of a third supporting plate 27 is movably connected with the ball outlet pipe 22 through the movable hinges, the threaded sleeve 20 moves to drive the second supporting plate 21 to deflect, so that the ball outlet pipe 22 is driven to deflect, and the angle of the ball outlet pipe 22 is adjusted;
referring to the attached drawings 1, 2, 3 and 5 in the specification, a worker rotates the handle 3 to drive the first threaded rod 5 to rotate, the first threaded rod 5 is in threaded connection with the second transverse plate 8, the sliding rod 9 limits the rotation of the second transverse plate 8, so that the first threaded rod 5 rotates to drive the second transverse plate 8 to move downwards, the second transverse plate 8 moves downwards to drive the second bottom plate 10 to move downwards, and the limiting plate 30 is driven to slide on the limiting rod 29.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. Tennis training device comprising a top plate (1), characterized in that: the top of the top plate (1) is provided with a ball outlet pipe (22), one side of the ball outlet pipe (22) is fixedly connected with a pitching machine (25), the top of the top plate (1) is provided with a moving mechanism, and the bottom of the top plate (1) is provided with an adjusting mechanism;
the moving mechanism comprises a motor (26), the motor (26) is fixedly connected with one side of the top plate (1), a sliding groove (19) is formed in the top end of the top plate (1), a second threaded rod (18) is arranged inside the sliding groove (19), one end of the second threaded rod (18) penetrates through one side of the top plate (1) and is fixedly connected with an output shaft of the motor (26), a threaded sleeve (20) is sleeved on the outer peripheral surface of the second threaded rod (18), the threaded sleeve (20) is in threaded connection with the second threaded rod (18), a second supporting plate (21) is arranged at the top of the top plate (1), two ends of the second supporting plate (21) are respectively movably connected with a ball outlet pipe (22) and the threaded sleeve (20) through a movable hinged support, a third supporting plate (27) is arranged on one side of the second supporting plate (21), and the bottom end of the third supporting plate (27) is fixedly connected, the top end of the third supporting plate (27) is movably connected with the bottom end of the ball outlet pipe (22) through a movable hinged support, and the top end of the ball outlet pipe (22) is fixedly connected with a ball storage pipe (24);
the adjusting mechanism comprises two first bottom plates (2), the top ends of the two first bottom plates (2) are fixedly connected with the bottom end of the top plate (1), the bottom parts of the two first bottom plates (2) are respectively provided with a second bottom plate (10), a first supporting plate (11) is arranged between the two second bottom plates (10) and the first bottom plates (2) at corresponding positions, the top ends of the two first supporting plates (11) are respectively fixedly connected with the bottom ends of the first bottom plates (2) at corresponding positions, the bottom ends of the two first supporting plates (11) respectively penetrate through the top ends of the second bottom plates (10) at corresponding positions, a first transverse plate (6) is fixedly connected between the two first bottom plates (2), a second transverse plate (8) is fixedly connected between the two second bottom plates (10), and a first threaded rod (5) is arranged between the first transverse plate (6) and the second transverse plate (8), first threaded rod (5) both ends run through first diaphragm (6) and second diaphragm (8) respectively, just first threaded rod (5) and second diaphragm (8) threaded connection, first diaphragm (6) top is equipped with handle (3), first threaded rod (5) top and handle (3) fixed connection.
2. The tennis training apparatus of claim 1, wherein: one side of the top plate (1) far away from the motor (26) is fixedly connected with a vertical plate (17), a second bevel gear (32) is arranged inside the vertical plate (17), and one end, far away from the motor (26), of the second threaded rod (18) penetrates through one sides of the top plate (1) and the vertical plate (17) and is fixedly connected with the second bevel gear (32).
3. A tennis training apparatus according to claim 2, wherein: a rotating shaft (14) is arranged on one side of the second bevel gear (32), the top end of the rotating shaft (14) is movably connected with the top end inside the vertical plate (17) through a bearing, a first bevel gear (31) is fixedly sleeved on the outer peripheral surface of the rotating shaft (14), and the first bevel gear (31) is meshed with the second bevel gear (32).
4. A tennis training apparatus according to claim 3, wherein: the air inlet device is characterized in that a partition plate (16) is fixedly connected to the inside of the vertical plate (17), the partition plate (16) is located at the bottom of a first bevel gear (31), an air inlet sleeve (12) is fixedly arranged on the outer peripheral surface of the vertical plate (17), one end of a rotating shaft (14) penetrates through the partition plate (16) and extends into the air inlet sleeve (12), a plurality of fan blades (13) are arranged inside the air inlet sleeve (12), the fan blades (13) are fixedly connected to the outer peripheral surface of the rotating shaft (14), air outlets (15) are formed in two sides of the vertical plate (17), and the air outlets (15) are located at the bottom of the partition plate (16).
5. The tennis training apparatus of claim 1, wherein: the top end of the ball storage tube (24) is provided with a tube cover (23), and the tube cover (23) and the ball storage tube (24) are locked through a hasp.
6. The tennis training apparatus of claim 1, wherein: roof (1) bottom fixedly connected with slide bar (9), slide bar (9) one end runs through first diaphragm (6) and second diaphragm (8), fixedly connected with spring (7) between first diaphragm (6) and second diaphragm (8), spring (7) cover is established at slide bar (9) outer peripheral face.
7. The tennis training apparatus of claim 1, wherein: two inside two spacing grooves (28), four of all having seted up of second bottom plate (10) spacing groove (28) inside gag lever post (29), four gag lever post (29) respectively with relevant position's second bottom plate (10) fixed connection, four gag lever post (29) outer peripheral face all overlaps and is equipped with limiting plate (30), four limiting plate (30) respectively with relevant position's first backup pad (11) fixed connection.
8. The tennis training apparatus of claim 1, wherein: two second bottom plate (10) bottom equal fixedly connected with move wheel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762615.3A CN112044044B (en) | 2020-07-31 | 2020-07-31 | Tennis training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762615.3A CN112044044B (en) | 2020-07-31 | 2020-07-31 | Tennis training device |
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| Publication Number | Publication Date |
|---|---|
| CN112044044A true CN112044044A (en) | 2020-12-08 |
| CN112044044B CN112044044B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010762615.3A Active CN112044044B (en) | 2020-07-31 | 2020-07-31 | Tennis training device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999681A (en) * | 2016-07-19 | 2016-10-12 | 安徽科技学院 | Automatic volleyball throwing machine for volleyball teaching training |
| US20170252630A1 (en) * | 2014-10-17 | 2017-09-07 | Powasports Pty Ltd. | Apparatus for launching a ball |
| CN206577345U (en) * | 2017-03-06 | 2017-10-24 | 湖南工程学院 | A kind of tennis serve machine |
| CN207913174U (en) * | 2018-02-12 | 2018-09-28 | 齐鲁师范学院 | A kind of basketball connects pass response training device |
| CN109966722A (en) * | 2019-04-17 | 2019-07-05 | 湖南第一师范学院 | A kind of shootaround auxiliary device |
| CN209348067U (en) * | 2018-11-02 | 2019-09-06 | 颜世洋 | Volleyball training service robot |
| CN111249709A (en) * | 2020-02-21 | 2020-06-09 | 哈尔滨体育学院 | Table tennis beginner forehand attack training device |
| CN211025066U (en) * | 2019-11-04 | 2020-07-17 | 辽宁工程职业学院 | Volleyball training aid for sports |
-
2020
- 2020-07-31 CN CN202010762615.3A patent/CN112044044B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170252630A1 (en) * | 2014-10-17 | 2017-09-07 | Powasports Pty Ltd. | Apparatus for launching a ball |
| CN105999681A (en) * | 2016-07-19 | 2016-10-12 | 安徽科技学院 | Automatic volleyball throwing machine for volleyball teaching training |
| CN206577345U (en) * | 2017-03-06 | 2017-10-24 | 湖南工程学院 | A kind of tennis serve machine |
| CN207913174U (en) * | 2018-02-12 | 2018-09-28 | 齐鲁师范学院 | A kind of basketball connects pass response training device |
| CN209348067U (en) * | 2018-11-02 | 2019-09-06 | 颜世洋 | Volleyball training service robot |
| CN109966722A (en) * | 2019-04-17 | 2019-07-05 | 湖南第一师范学院 | A kind of shootaround auxiliary device |
| CN211025066U (en) * | 2019-11-04 | 2020-07-17 | 辽宁工程职业学院 | Volleyball training aid for sports |
| CN111249709A (en) * | 2020-02-21 | 2020-06-09 | 哈尔滨体育学院 | Table tennis beginner forehand attack training device |
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| Publication number | Publication date |
|---|---|
| CN112044044B (en) | 2021-09-21 |
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