CN117018579A - Training device convenient for tennis striking - Google Patents
Training device convenient for tennis striking Download PDFInfo
- Publication number
- CN117018579A CN117018579A CN202311051997.9A CN202311051997A CN117018579A CN 117018579 A CN117018579 A CN 117018579A CN 202311051997 A CN202311051997 A CN 202311051997A CN 117018579 A CN117018579 A CN 117018579A
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- wall
- box
- fixedly connected
- placing
- frame
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- 238000012549 training Methods 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010009 beating Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 7
- 238000000151 deposition Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to the technical field of tennis training equipment, in particular to a training device convenient for tennis hitting, which comprises a bottom box, wherein two ends of the bottom box are fixedly connected with bearing blocks, and the inner walls of the two ends of the bottom of the bearing blocks are connected with steering rollers.
Description
Technical Field
The invention relates to the technical field of tennis training equipment, in particular to a training device convenient for tennis striking.
Background
Tennis is one of the ball games, usually performed between two single players or two pairs of combinations, where the players hit the tennis ball with a tennis racket across a net on a tennis court, with the aim of making it impossible for the opponent to hit the ball back on a regular basis.
There are the following problems: in the single training process, tennis is usually launched by using tennis launching equipment, and then a training person beats back the launched tennis, so that the training person cannot clearly know whether the height and the strength of the tennis which are shot back are qualified, and therefore, the training direction of tennis striking cannot be correctly adjusted, and the effect of tennis striking training is seriously affected.
In view of this, research improvement is carried out to current problem, provide a trainer convenient to tennis is hit, through setting up and hit the high board, not only play the effect of interception tennis, also let training personnel know whether the height that the tennis was hit back is qualified simultaneously, through setting up force sensor, first data line and dynamics display, when the tennis striking is hit on hit the high board, force sensor can detect the dynamics of hitting back, the dynamics numerical value can be shown to the dynamics display simultaneously, thereby let training personnel know whether the dynamics that the tennis was hit back is qualified, not only make things convenient for training personnel to adjust training direction fast, also further improve the effect of tennis hit training simultaneously, aim at through this technique, reach the purpose of solving the problem and improving practical value.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a training device convenient for tennis striking.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a trainer convenient to tennis hits, includes the base box, base box bottom both ends equal fixedly connected with bearing block, bearing block bottom both ends inner wall all is connected with steering roller, the first frame of placing of multiunit of base box inner wall one side transverse symmetry axis one end fixedly connected with, first frame inner wall of placing all is connected with and places the box, place box same side outer wall center department all is connected with the marking block, base box inner wall one side transverse symmetry axis other end fixedly connected with second places the frame, the second is placed the frame inner wall and is connected with places the case, place case inner wall bottom and be connected with and place the piece, place the piece inner wall top and seted up multiunit standing groove, base box top both ends all are connected with the center box, the equal fixedly connected with multiunit third of center box inner wall places the frame, third is placed the frame inner wall and is all connected with the racket, base box top center department is connected with the pivot, the rotary shaft top is fixedly connected with a rotary table, the center of the rotary table top is connected with a threaded column, the outer wall of the threaded column is connected with a box shell, the top of the box shell is fixedly connected with a bedplate, the inner wall of one end of the top of the bedplate is provided with a leak hole, the bottom of the inner wall of the bedplate is fixedly connected with a pipe sleeve, one end of the inner wall of the pipe sleeve is fixedly connected with a cylinder, the top of the cylinder is connected with a pushing block, the other end of the inner wall of the pipe sleeve is connected with a rubber ring, the top of the bedplate is fixedly connected with a top box, one end of the top box is fixedly connected with a frame, the inner wall of the frame is connected with a beating height plate, the center of the top of the frame is connected with a force display, one end of the bottom of the beating height plate is fixedly connected with a force sensor, one side outer wall of the force sensor is connected with a first data line, the other end of the beating height plate is fixedly connected with a beating sensor, and the outer wall of one side of the impact sensor is connected with a second data line.
As a further description of the above technical solution:
the two groups of bearing blocks are arranged in total, the four groups of steering rollers are arranged in total, and the inner walls at the two ends of the bottom of the bearing blocks are in threaded connection with the top ends of the outer walls of the steering rollers; through setting up steering roller, can let whole trainer remove more convenient and fast, through setting up simple and easy connected mode between steering roller and the bearing block for steering roller's dismouting, maintenance and clearance step are convenient and fast more.
As a further description of the above technical solution:
nine groups of the first placing frame, the placing box and the identification block are respectively arranged, the inner wall of the first placing frame is sleeved with the outer wall of the placing box, and the centers of the outer walls of the same side of the placing box are bonded with the bottom of the identification block; through setting up and placing the box, can classify the maintenance tool and the clearance instrument of tennis apparatus and deposit, through setting up the sign piece, can annotate maintenance tool and clearance instrument in placing the box to make things convenient for training personnel to seek fast and use.
As a further description of the above technical solution:
the inner wall of the second placing frame is sleeved with the outer wall of the placing box, the bottom end of the inner wall of the placing box is fixedly connected with the outer wall of the placing block, two groups of middle boxes are arranged in total, and the bottoms of the middle boxes are welded with the two ends of the top of the bottom box; through setting up multiunit standing groove structure at the piece inner wall of placing, can deposit the tennis.
As a further description of the above technical solution:
the third placing frame and the racket are provided with four groups, the inner wall of the third placing frame is sleeved with one end of the outer wall of the racket, the center of the top of the bottom box is fixedly connected with the bottom of the rotating shaft, and the center of the top of the turntable is welded with the bottom of the threaded column; by arranging the third placing frame, the racket can be stored.
As a further description of the above technical solution:
the outer walls of the threaded columns are in threaded transmission connection with the inner walls of the box shell, and the outer walls of the two sides of the box shell are both in sliding connection with the outer walls of the opposite sides of the middle box; through setting up the connected mode between screw thread post and the case for the case can reciprocate at pivoted screw thread post outer wall, and the high plate structure of beating of case top also can follow the upper and lower removal together with top case structure simultaneously, thereby plays the effect of adjusting whole trainer height.
As a further description of the above technical solution:
the top of the air cylinder is fixedly connected with the center of the bottom of the push block, the outer wall of the push block is movably connected with the inner wall of the pipe sleeve, and the other end of the inner wall of the pipe sleeve is bonded with the outer wall of the rubber ring; through seting up the leak at the platen inner wall, the tennis that falls into top incasement portion can fall into the pipe box from the leak, through setting up cylinder and ejector pad structure, can launch the tennis again, through setting up the rubber ring, can prevent that the tennis from rolling out the pipe box.
As a further description of the above technical solution:
the inner wall of the frame is fixedly connected with the outer wall of the striking height plate, the center of the top of the frame is fixedly connected with the bottom of the force display, the outer wall of one side of the force sensor is fixedly connected with the bottom of a first data line, and the top of the first data line is fixedly connected with the center of the outer wall of one side of the force display; through setting up and hit the altitude board, not only play the effect of interception tennis, also let the training personnel know that the tennis is hit the altitude that returns simultaneously whether qualified, through setting up dynamics sensor, first data line and dynamics display, when the tennis striking is hit on the altitude board, dynamics sensor can detect the dynamics of hitting back, and dynamics display can show the dynamics numerical value simultaneously to let the training personnel know that the tennis is hit the dynamics of returning whether qualified.
As a further description of the above technical solution:
the outer wall of one side of the impact sensor is fixedly connected with one end of the outer wall of the second data line, and the other end of the outer wall of the second data line is fixedly connected with the center of the bottom of the cylinder; through setting up and hit sensor, second data line and cylinder structure, hit the sensor and can in time detect when the tennis striking on hitting the altitude board, can open the cylinder automatically this moment, let the cylinder can reciprocating motion once, the tennis of depositing in the pipe box this moment can be launched.
The invention has the following beneficial effects:
1. through setting up and hit the altitude board, not only play the effect of interception tennis, also let the training personnel know that the tennis is hit the altitude that returns simultaneously whether qualified, through setting up dynamics sensor, first data line and dynamics display, when the tennis striking is hit on the altitude board, dynamics sensor can detect the dynamics of hitting back, dynamics display can show the dynamics numerical value simultaneously, thereby let the training personnel know that the tennis is hit the dynamics of returning whether qualified, not only make things convenient for training personnel to make the adjustment to training direction fast, also further improved the effect of tennis hit training simultaneously.
2. Through setting up steering roller, can let whole trainer remove more convenient and fast, through setting up simple and easy connected mode between steering roller and the bearing block for steering roller's dismouting, maintenance and clearance step are convenient and fast more.
3. Through setting up and placing the box, can classify the maintenance tool and the clearance instrument of tennis apparatus and deposit, through setting up the sign piece, can annotate maintenance tool and clearance instrument in placing the box to make things convenient for training personnel to seek fast and use.
4. Through setting up the connected mode between screw thread post and the case for the case can reciprocate at pivoted screw thread post outer wall, and the high plate structure of beating of case top also can follow the upper and lower removal together with top case structure simultaneously, thereby plays the effect of adjusting whole trainer height.
Drawings
FIG. 1 is a partial three-dimensional view of a training device for facilitating tennis striking in accordance with the present invention;
FIG. 2 is a front view of a training device for facilitating tennis striking in accordance with the present invention;
FIG. 3 is a rear view of a training device for facilitating tennis striking in accordance with the present invention;
FIG. 4 is a front cross-sectional view of a training device for facilitating tennis ball striking in accordance with the present invention;
FIG. 5 is a side cross-sectional view of a table of a training device for facilitating tennis striking in accordance with the present invention;
fig. 6 is a partially enlarged view of area a in fig. 4 of a training device for facilitating tennis striking according to the present invention.
Legend description:
1. a bottom box; 2. a bearing block; 3. a steering roller; 4. a first placement frame; 5. placing a box; 6. identifying the block; 7. a second placement frame; 8. placing a box; 9. placing a block; 10. a placement groove; 11. a middle box; 12. a third placement frame; 13. a racket; 14. a rotating shaft; 15. a turntable; 16. a threaded column; 17. a case shell; 18. a platen; 19. a leak hole; 20. a pipe sleeve; 21. a cylinder; 22. a pushing block; 23. a rubber ring; 24. a top box; 25. a frame; 26. striking the height plate; 27. a force display; 28. a force sensor; 29. a first data line; 30. striking the sensor; 31. and a second data line.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-6, one embodiment provided by the present invention is: the utility model provides a trainer convenient to tennis hits, including the base box 1, base box 1 bottom both ends equal fixedly connected with bearing block 2, bearing block 2 bottom both ends inner wall all is connected with steering roller 3, the horizontal symmetry axis one end fixedly connected with multiunit first frame 4 of placing of base box 1 inner wall one side, first frame 4 inner wall all is connected with and places box 5, place box 5 same side outer wall center department all is connected with marking block 6, base box 1 inner wall one side horizontal symmetry axis other end fixedly connected with second places frame 7, second places frame 7 inner wall connection has and places case 8, place case 8 inner wall bottom is connected with and places piece 9, the multiunit standing groove 10 has been seted up on placing piece 9 inner wall top, base box 1 top both ends all are connected with well case 11, well case 11 inner wall all is fixedly connected with multiunit third and places frame 12, third is placed frame 12 inner wall all is connected with racket 13, base box 1 top center department is connected with pivot 14, the top of the rotating shaft 14 is fixedly connected with a rotating disc 15, the center of the top of the rotating disc 15 is connected with a threaded column 16, the outer wall of the threaded column 16 is connected with a box shell 17, the top of the box shell 17 is fixedly connected with a bedplate 18, the inner wall of one end of the top of the bedplate 18 is provided with a leak hole 19, the bottom of the inner wall of the bedplate 18 is fixedly connected with a pipe sleeve 20, one end of the inner wall of the pipe sleeve 20 is fixedly connected with a cylinder 21, the top of the cylinder 21 is connected with a push block 22, the other end of the inner wall of the pipe sleeve 20 is connected with a rubber ring 23, the top of the bedplate 18 is fixedly connected with a top box 24, one end of the top box 24 is fixedly connected with a frame 25, the inner wall of the frame 25 is connected with a beating height plate 26, the center of the top of the frame 25 is connected with a force display 27, one end of the bottom of the beating height plate 26 is fixedly connected with a force sensor 28, one side outer wall of the force sensor 28 is connected with a first data wire 29, the other end of the bottom of the beating height plate 26 is fixedly connected with a beating sensor 30, a second data line 31 is connected to the outer wall of one side of the impact sensor 30.
The bearing block 2 is provided with two groups in total, the steering roller 3 is provided with four groups in total, the inner walls at the two ends of the bottom of the bearing block 2 are in threaded connection with the top ends of the outer walls of the steering roller 3, the first placing frame 4, the placing box 5 and the marking block 6 are provided with nine groups, the inner wall of the first placing frame 4 is sleeved with the outer wall of the placing box 5, the center of the outer wall of the same side of the placing box 5 is adhered to the bottom of the marking block 6, the inner wall of the second placing frame 7 is sleeved with the outer wall of the placing box 8, the bottom end of the inner wall of the placing box 8 is fixedly connected with the outer wall of the placing block 9, the middle box 11 is provided with two groups in total, the bottom of the middle box 11 is welded with the two ends of the top of the bottom box 1, the third placing frame 12 and the racket 13 are provided with four groups, the inner wall of the third placing frame 12 is sleeved with one end of the outer wall of the racket 13, the center of the top of the bottom box 1 is fixedly connected with the bottom of the rotating shaft 14, the center of the top of the rotating disc 15 is welded with the bottom of the threaded column 16, the outer wall of the threaded column 16 is in threaded transmission connection with the inner wall of the box shell 17, the outer walls of two sides of the box shell 17 are both in sliding connection with the outer wall of the opposite side of the middle box 11, the top of the air cylinder 21 is fixedly connected with the center of the bottom of the push block 22, the outer wall of the push block 22 is movably connected with the inner wall of the pipe sleeve 20, the other end of the inner wall of the pipe sleeve 20 is adhered to the outer wall of the rubber ring 23, the inner wall of the frame 25 is fixedly connected with the outer wall of the striking height plate 26, the center of the top of the frame 25 is fixedly connected with the bottom of the force display 27, the outer wall of one side of the force sensor 28 is fixedly connected with the bottom of the first data wire 29, the top of the first data wire 29 is fixedly connected with the center of the outer wall of one side of the force display 27, the outer wall of one side of the striking sensor 30 is fixedly connected with one end of the outer wall of the second data wire 31, and the other end of the outer wall of the second data wire 31 is fixedly connected with the center of the bottom of the air cylinder 21.
Working principle and flow: utilize steering wheel 3 of bearing block 2 inner wall, training personnel can easily remove whole trainer to appointed position, utilize marking block 6, can annotate maintenance tool and clearance instrument of depositing in first box 4 inner wall placement box 5, thereby make things convenient for training personnel to seek fast and use, place the standing groove 10 of placing the 9 inner walls of piece in the case 8, can deposit the tennis, racket 13 can deposit in the third placement box 12 of middle box 11 inner wall, hit high board 26 not only play the effect of interception tennis, also let the knowledge tennis that training personnel can be clear by the altitude qualification that is hit back simultaneously, tennis after the interception can fall into top case 24 voluntarily, later pass leak hole 19 and fall into pipe box 20, utilize dynamics sensor 28, first data line 29 and dynamics display 27, when the tennis striking on high board 26, dynamics sensor 28 can detect the dynamics of striking back this moment, dynamics display 27 can show the numerical value simultaneously, thereby let training personnel know whether the dynamics of striking back on high board 21 can be clear by striking on the cylinder 21 when striking high board 21, can be opened in time, can be launched out by the cylinder 21 when striking back automatically, can be clear by striking the cylinder 20.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a trainer convenient to tennis hits, includes base box (1), its characterized in that: the utility model is characterized in that bearing blocks (2) are fixedly connected at two ends of the bottom box (1), steering rollers (3) are connected on the inner walls of two ends of the bottom of the bearing blocks (2), a plurality of groups of first placing frames (4) are fixedly connected at one end of a transverse symmetrical shaft on one side of the inner wall of the bottom box (1), placing boxes (5) are connected on the inner wall of the first placing frames (4), marking blocks (6) are connected at the center of the outer wall on the same side of the placing boxes (5), a second placing frame (7) is fixedly connected at the other end of the transverse symmetrical shaft on one side of the inner wall of the bottom box (1), a placing box (8) is connected on the inner wall of the second placing frame (7), the utility model is characterized in that the bottom end of the inner wall of the placement box (8) is connected with a placement block (9), a plurality of groups of placement grooves (10) are formed in the top end of the inner wall of the placement block (9), the two ends of the top of the bottom box (1) are respectively connected with a middle box (11), the inner wall of the middle box (11) is respectively fixedly connected with a plurality of groups of third placement frames (12), the inner walls of the third placement frames (12) are respectively connected with a racket (13), the center of the top of the bottom box (1) is connected with a rotating shaft (14), the top of the rotating shaft (14) is fixedly connected with a rotary disc (15), the center of the top of the rotary disc (15) is connected with a threaded column (16), the outer wall of the threaded column (16) is connected with a box shell (17), the utility model discloses a portable electronic device is characterized in that a bedplate (18) is fixedly connected with at top of a box shell (17), leak (19) have been seted up to bedplate (18) top one end inner wall, bedplate (18) inner wall bottom fixedly connected with pipe box (20), pipe box (20) inner wall one end fixedly connected with cylinder (21), cylinder (21) top is connected with ejector pad (22), pipe box (20) inner wall other end is connected with rubber ring (23), bedplate (18) top fixedly connected with top case (24), top one end fixedly connected with frame (25) of top case (24), frame (25) inner wall connection has and beats high board (26), frame (25) top center department is connected with dynamics display (27), beat high board (26) bottom one end fixedly connected with dynamics sensor (28), dynamics sensor (28) one side outer wall connection has first data line (29), beat high board (26) bottom other end fixedly connected with and beat sensor (30), beat sensor (30) one side outer wall connection has second data line (31).
2. A training device for facilitating tennis hits as claimed in claim 1, wherein: the two groups of the bearing blocks (2) are arranged together, four groups of the steering rollers (3) are arranged together, and the inner walls at the two ends of the bottom of the bearing blocks (2) are in threaded connection with the top ends of the outer walls of the steering rollers (3).
3. A training device for facilitating tennis hits as claimed in claim 1, wherein: the first frame (4), place box (5) and sign piece (6) all are equipped with nine groups, first frame (4) inner wall all cup joints with placing box (5) outer wall, place box (5) same side outer wall center department all with sign piece (6) bottom bonding.
4. A training device for facilitating tennis hits as claimed in claim 1, wherein: the inner wall of the second placing frame (7) is sleeved with the outer wall of the placing box (8), the bottom end of the inner wall of the placing box (8) is fixedly connected with the outer wall of the placing block (9), and the middle box (11) is provided with two groups in total, and the bottoms of the two groups are welded with the two ends of the top of the bottom box (1).
5. A training device for facilitating tennis hits as claimed in claim 1, wherein: the third placing frame (12) and the racket (13) are respectively provided with four groups, the inner wall of the third placing frame (12) is sleeved with one end of the outer wall of the racket (13), the center of the top of the bottom box (1) is fixedly connected with the bottom of the rotating shaft (14), and the center of the top of the rotating disc (15) is welded with the bottom of the threaded column (16).
6. A training device for facilitating tennis hits as claimed in claim 1, wherein: the outer wall of the threaded column (16) is in threaded transmission connection with the inner wall of the box shell (17), and the outer walls of two sides of the box shell (17) are both in sliding connection with the outer wall of one side opposite to the middle box (11).
7. A training device for facilitating tennis hits as claimed in claim 1, wherein: the top of the air cylinder (21) is fixedly connected with the center of the bottom of the push block (22), the outer wall of the push block (22) is movably connected with the inner wall of the pipe sleeve (20), and the other end of the inner wall of the pipe sleeve (20) is adhered to the outer wall of the rubber ring (23).
8. A training device for facilitating tennis hits as claimed in claim 1, wherein: the inner wall of the frame (25) is fixedly connected with the outer wall of the striking height plate (26), the center of the top of the frame (25) is fixedly connected with the bottom of the force display (27), the outer wall of one side of the force sensor (28) is fixedly connected with the bottom of the first data line (29), and the top of the first data line (29) is fixedly connected with the center of the outer wall of one side of the force display (27).
9. A training device for facilitating tennis hits as claimed in claim 1, wherein: the outer wall of one side of the striking sensor (30) is fixedly connected with one end of the outer wall of the second data wire (31), and the other end of the outer wall of the second data wire (31) is fixedly connected with the center of the bottom of the air cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311051997.9A CN117018579A (en) | 2023-08-21 | 2023-08-21 | Training device convenient for tennis striking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311051997.9A CN117018579A (en) | 2023-08-21 | 2023-08-21 | Training device convenient for tennis striking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117018579A true CN117018579A (en) | 2023-11-10 |
Family
ID=88644695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311051997.9A Withdrawn CN117018579A (en) | 2023-08-21 | 2023-08-21 | Training device convenient for tennis striking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117018579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647456A (en) * | 2024-01-30 | 2024-03-05 | 牡丹江师范学院 | Multi-mode adjusting type impact-resistant testing device for tennis training wall |
-
2023
- 2023-08-21 CN CN202311051997.9A patent/CN117018579A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647456A (en) * | 2024-01-30 | 2024-03-05 | 牡丹江师范学院 | Multi-mode adjusting type impact-resistant testing device for tennis training wall |
| CN117647456B (en) * | 2024-01-30 | 2024-04-30 | 牡丹江师范学院 | Multi-mode adjusting type impact-resistant testing device for tennis training wall |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231110 |
|
| WW01 | Invention patent application withdrawn after publication |