CN111228762A - Multifunctional tennis frame and use method thereof - Google Patents
Multifunctional tennis frame and use method thereof Download PDFInfo
- Publication number
- CN111228762A CN111228762A CN202010077921.3A CN202010077921A CN111228762A CN 111228762 A CN111228762 A CN 111228762A CN 202010077921 A CN202010077921 A CN 202010077921A CN 111228762 A CN111228762 A CN 111228762A
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- tennis
- bottom plate
- telescopic rod
- net
- camera
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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
- A63B61/00—Tennis nets or accessories for tennis or like games, e.g. volley-ball
- A63B61/02—Posts; Revolvably-mounted posts ; Straining or adjusting devices on the posts, e.g. coin- or time operated
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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
- A63B61/00—Tennis nets or accessories for tennis or like games, e.g. volley-ball
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/0036—Accessories for stowing, putting away or transporting exercise apparatus or sports equipment
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a multifunctional tennis frame and a using method thereof. Has the advantages that: according to the tennis rack, the sliding rail and the motor are arranged, a tennis net can be wound when the tennis rack is idle, the tennis net is prevented from being eroded by natural factors such as wind, rain and the like, the service life of the tennis rack is prolonged, meanwhile, the occupied space of the tennis rack is reduced, the field utilization rate is improved, the functionality of the tennis rack is improved, a first camera, a second camera and a memory card are arranged, video recording can be performed when a trainer plays a tennis, the video recording can be stored through the memory card, the later-period watching of the trainer is facilitated, irregular actions are corrected, the skill of the trainer is facilitated, the user experience of the tennis rack is improved, tennis balls in a court can be stored through the storage box, the trainer does not need to prepare tennis balls in advance or carry a tennis box, and the tennis boxes can be used at any time, and the practicability of the tennis rack.
Description
Technical Field
The invention relates to the technical field of tennis racks, in particular to a multifunctional tennis rack and a using method thereof.
Background
Tennis is a type of ball game that is commonly played between two single players or two pairs of players who hit tennis balls with a tennis racket across the net on a tennis court, the origin and development of which can be summarized in four sentences: gestating in france, born in the united kingdom, started to spread and form climax in the united states, prevalent throughout the world, known as the world's second-hit ball game.
However, the existing tennis frame is relatively single in function, because the tennis frame is often fixed and placed in an open environment, natural factors such as wind, rain and the like can erode the tennis net, the service life of the tennis frame is reduced, and meanwhile, the existing tennis frame does not have the image recording function in the use process, so that a trainer cannot analyze and correct the action of the trainer after training, the user experience of the tennis frame is reduced, and finally, the existing tennis frame is used, the trainer can prepare tennis balls in advance every time, the practicability of the tennis frame is reduced, and therefore the existing problems are solved urgently by a multifunctional tennis frame.
Disclosure of Invention
The present invention is directed to a tennis racket and a method for using the same.
The invention realizes the purpose through the following technical scheme:
a multifunctional tennis frame comprises a left bottom plate, a slide rail and a right bottom plate, wherein the slide rail is arranged on one side of the left bottom plate, the right bottom plate is arranged in the slide rail, a pulley is arranged at the bottom end of the right bottom plate, a fixed hole is formed in the slide rail, a fixed rod is arranged in the right bottom plate, a right telescopic rod is arranged at the upper end of the right bottom plate, a left telescopic rod is arranged at the upper end of the left bottom plate, positioning holes are formed in the left telescopic rod and the right telescopic rod fixed wall respectively, positioning columns are arranged on the left telescopic rod and the right telescopic rod sliding wall respectively, a net is arranged between the left telescopic rod and the right telescopic rod sliding wall, a groove is formed in the left telescopic rod sliding wall, a rotating shaft is arranged in the left telescopic rod sliding wall, a motor is arranged on one, be provided with storage battery in the fixed wall of left side telescopic link, be provided with solar panel on the left side bottom plate outer wall, left side bottom plate opposite side is provided with the containing box, the containing box upper end is provided with the case lid, be provided with the lock handle on the containing box lateral wall, be provided with the hasp on the case lid lateral wall, a left side telescopic link lateral wall upper end is provided with camera one, another lateral wall upper end of left side telescopic link is provided with camera two, camera one and be provided with the RAM card in the camera two.
Furthermore, the left bottom plate is connected with the slide rail through a screw, the right bottom plate is connected with the pulley in a rotating mode, and the pulley is connected with the slide rail in a sliding mode.
By adopting the technical scheme, the right bottom plate can move left and right along the guide rail through the pulley, and the net is unfolded or rolled.
Furthermore, the fixing rod penetrates through the right bottom plate, and the fixing rod is connected with the fixing hole through threads.
By adopting the technical scheme, the fixing rod is combined with the fixing hole and can fix the position of the right bottom plate, so that the right bottom plate is prevented from moving in the use process of the tennis frame.
Furthermore, the left telescopic rod is connected with the left bottom plate through a screw, and the right telescopic rod is connected with the right bottom plate through a screw.
Through adopting above-mentioned technical scheme, left side telescopic link and right side telescopic link is right the height of net is adjusted, applicable in the crowd of different heights.
Furthermore, the positioning column with left telescopic link and right telescopic link all pass through spring coupling.
By adopting the technical scheme, the positioning columns are combined with the positioning holes, so that the adjusted height of the net can be fixed.
Further, net one end with the pivot is passed through the screw connection, the net other end with right side telescopic link sliding wall passes through the screw connection, the pivot with left side telescopic link sliding wall passes through the bearing and connects, the pivot with the motor key-type connection, the button with left side telescopic link passes through spring coupling, the button with the motor electricity is connected.
By adopting the technical scheme, the motor can drive the rotating shaft to rotate forwards or turn over, so that the net is rolled or unfolded, and the button controls the motor to work.
Furthermore, the storage battery pack is connected with the left telescopic rod through a screw, the solar panel is connected with the left bottom plate through a screw, and the solar panel is electrically connected with the storage battery pack.
By adopting the technical scheme, the electric energy generated by the solar panel is transmitted to the storage battery pack to be stored, and the required electric energy is provided for the tennis frame.
Furthermore, the containing box with the left bottom plate passes through the screw connection, the containing box with the case lid passes through hinge connection, the lock handle with the containing box passes through the screw connection, the hasp with the case lid passes through the screw connection, the lock handle with the hasp passes through the buckle connection.
Through adopting above-mentioned technical scheme, the containing box can be accomodate the tennis in the court, need not the training person and prepares tennis or transport tennis case in advance, along with using along with, improves tennis frame practicality.
Further, camera one and camera two with left telescopic link all passes through the screw connection, the RAM card with camera one and camera two all connects through the draw-in groove.
Through adopting above-mentioned technical scheme, camera one and camera two can record a video to the trainer when playing ball, and pass through RAM card storage, the trainer later stage of being convenient for is watched, corrects the action of irregularity, and the trainer of being convenient for promotes technical ability, improves tennis frame's user experience.
The invention has the beneficial effects that:
1. in order to solve the problems that the existing tennis frame is relatively single in function, the tennis frame is often fixed and placed in an open environment, the net is eroded by natural factors such as wind, rain and the like, and the service life of the tennis frame is shortened, the tennis frame is provided with the slide rail and the motor, so that the net can be rolled up when the tennis frame is idle, the net is prevented from being eroded by natural factors such as wind, rain and the like, the service life of the tennis frame is prolonged, meanwhile, the occupied space of the tennis frame is reduced, the field utilization rate is improved, and the functionality of the tennis frame is improved;
2. in order to solve the problems that the existing tennis frame has no image recording function in the using process, so that a trainer cannot analyze and correct own actions after training and the user experience of the tennis frame is reduced, the invention can record images when the trainer plays the tennis by arranging the first camera, the second camera and the memory card and store the images by the memory card, so that the trainer can watch the tennis at the later stage conveniently, correct irregular actions, improve the skill of the trainer and improve the user experience of the tennis frame;
3. in order to solve the problem that a trainer needs to prepare tennis balls in advance each time in the using process of the existing tennis frame and the practicability of the tennis frame is reduced, the tennis ball in a court can be stored by arranging the storage box, the trainer does not need to prepare the tennis balls in advance or carry the tennis box, and the practicability of the tennis frame is improved when the tennis frame is used.
Drawings
FIG. 1 is a schematic view showing the structure of a tennis racket according to the present invention;
FIG. 2 is a cross-sectional view of the left extendable rod of the tennis frame according to the present invention;
FIG. 3 is a side view of a multi-function tennis frame according to the present invention;
fig. 4 is a schematic view of the connection relationship between the slide rail and the right bottom plate in the multifunctional tennis frame according to the present invention.
The reference numerals are explained below:
1. a storage box; 2. a lock handle; 3. a box cover; 4. locking; 5. a left telescoping rod; 6. a button; 7. a net; 8. a right telescopic rod; 9. a right base plate; 10. a slide rail; 11. a solar panel; 12. a left bottom plate; 13. a rotating shaft; 14. a positioning column; 15. positioning holes; 16. a battery pack; 17. an electric motor; 18. grooving; 19. a memory card; 20. a second camera; 21. a first camera; 22. fixing the rod; 23. a fixing hole; 24. a pulley.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in figures 1-4, a multifunctional tennis frame comprises a left bottom plate 12, a slide rail 10 and a right bottom plate 9, wherein the slide rail 10 is arranged on one side of the left bottom plate 12, the right bottom plate 9 is arranged in the slide rail 10, a pulley 24 is arranged at the bottom end of the right bottom plate 9, a fixing hole 23 is formed in the slide rail 10, a fixing rod 22 is arranged in the right bottom plate 9, a right telescopic rod 8 is arranged at the upper end of the right bottom plate 9, a left telescopic rod 5 is arranged at the upper end of the left bottom plate 12, positioning holes 15 are formed on the fixing walls of the left telescopic rod 5 and the right telescopic rod 8, positioning posts 14 are arranged on the sliding walls of the left telescopic rod 5 and the right telescopic rod 8, a tennis net 7 is arranged between the sliding walls of the left telescopic rod 5 and the right telescopic rod 8, a groove 18 is formed on the sliding wall of the left telescopic rod 5, be provided with storage battery 16 in the 5 fixed walls of left telescopic link, be provided with solar panel 11 on the 12 outer walls of left side bottom plates, 12 opposite sides of left side bottom plates are provided with containing box 1, 1 upper ends of containing box are provided with case lid 3, be provided with locking handle 2 on 1 lateral wall of containing box, be provided with hasp 4 on 3 lateral walls of case lid, 5 lateral walls upper ends of left telescopic link are provided with camera one 21, 5 another lateral wall upper ends of left telescopic link are provided with camera two 20, be provided with RAM card 19 in camera one 21 and the camera two 20.
In this embodiment, the left bottom plate 12 is connected to the slide rail 10 by a screw, the right bottom plate 9 is rotatably connected to the pulley 24, the pulley 24 is slidably connected to the slide rail 10, and the right bottom plate 9 can move left and right along the guide rail by the pulley 24, so as to unfold or wind the net 7.
In this embodiment, the fixing rod 22 penetrates through the right bottom plate 9, the fixing rod 22 is connected with the fixing hole 23 through threads, the fixing rod 22 is combined with the fixing hole 23 and can fix the position of the right bottom plate 9, and the right bottom plate 9 is prevented from moving in the use process of the tennis frame.
In this embodiment, the left telescopic rod 5 and the left bottom plate 12 are connected by screws, the right telescopic rod 8 and the right bottom plate 9 are connected by screws, and the left telescopic rod 5 and the right telescopic rod 8 adjust the height of the net 7, so that the tennis racket is suitable for people with different heights.
In this embodiment, the positioning post 14 is connected to the left and right telescopic rods 5 and 8 by a spring, and the height of the adjusted net 7 can be fixed by combining the positioning post 14 with the positioning hole 15.
In this embodiment, one end of the net 7 is connected with the rotating shaft 13 through a screw, the other end of the net 7 is connected with the sliding wall of the right telescopic rod 8 through a screw, the rotating shaft 13 is connected with the sliding wall of the left telescopic rod 5 through a bearing, the rotating shaft 13 is connected with the motor 17 through a key, the button 6 is connected with the left telescopic rod 5 through a spring, the button 6 is electrically connected with the motor 17, the motor 17 can drive the rotating shaft 13 to rotate positively or overturn, the net 7 is further rolled or unfolded, and the button 6 controls the operation of the motor 17.
In this embodiment, the storage battery pack 16 is connected with the left telescopic rod 5 through screws, the solar panel 11 is connected with the left bottom plate 12 through screws, the solar panel 11 is electrically connected with the storage battery pack 16, and electric energy generated by the solar panel 11 is transmitted to the storage battery pack 16 for storage, so that required electric energy is provided for the tennis frame.
In this embodiment, containing box 1 and left bottom plate 12 pass through the screw connection, containing box 1 and case lid 3 pass through hinge connection, lock handle 2 and containing box 1 pass through the screw connection, hasp 4 and case lid 3 pass through the screw connection, lock handle 2 and hasp 4 pass through the buckle connection, containing box 1 can accomodate the tennis in the court, need not the training person and prepare the tennis in advance again or carry the tennis case, along with using, improves tennis frame practicality.
In this embodiment, camera 21 and two 20 and left telescopic link 5 all pass through the screw connection, and RAM card 19 all is connected through the draw-in groove with camera 21 and two 20, and video recording when camera 21 and two 20 can be played the trainer to through 19 storages of RAM card, the trainer later stage of being convenient for is watched, corrects irregular action, and the trainer of being convenient for promotes technical ability, improves tennis frame's user experience.
A use method of the multifunctional tennis frame comprises the following steps: firstly fixing a left bottom plate 12 and a slide rail 10 on the ground through bolts, fixing a tennis frame, then pushing a right bottom plate 9 to move along the slide rail 10, simultaneously opening a motor 17 through a button 6, driving a rotating shaft 13 to rotate reversely by the motor 17, further unfolding the tennis net 7, after unfolding the tennis net 7, twisting a fixing rod 22 in a fixing hole 23, further fixing the right bottom plate 9, then adjusting a left telescopic rod 5 and a right telescopic rod 8 according to the self height, placing the tennis net 7 at a proper height, after the adjustment, fixing the height of the tennis net 7 through a positioning column 14 and a positioning hole 15, recording videos of trainers at two sides by a first camera 21 and a second camera 20 in the training process, storing the videos through a memory card 19, facilitating the later-stage watching of the trainers, correcting irregular actions, facilitating the trainers to improve skills and improving the user experience of the tennis frame, after the training, containing box 1 can accomodate the tennis, prepare for next training of trainer, also make the trainer need not to take the tennis to train simultaneously, improve tennis frame's practicality, motor 17 drives pivot 13 at last and carries out the corotation, carry out the rolling with net 7, prevent that external factors such as blowing and drenching from causing the erosion to net 7 when tennis frame is idle, increase tennis frame's life, the trainer promotes right bottom plate 9 and removes to bottom plate 12 left simultaneously, reduce tennis frame's occupation space, improve the place utilization ratio, improve tennis frame functionality.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A multi-functional tennis frame which characterized in that: comprises a left bottom plate (12), a slide rail (10) and a right bottom plate (9), wherein one side of the left bottom plate (12) is provided with the slide rail (10), the slide rail (10) is internally provided with the right bottom plate (9), the bottom of the right bottom plate (9) is provided with a pulley (24), a fixed hole (23) is formed in the slide rail (10), a fixed rod (22) is arranged in the right bottom plate (9), a right telescopic rod (8) is arranged at the upper end of the right bottom plate (9), a left telescopic rod (5) is arranged at the upper end of the left bottom plate (12), positioning holes (15) are formed in the fixed walls of the left telescopic rod (5) and the right telescopic rod (8), positioning columns (14) are arranged on the sliding walls of the left telescopic rod (5) and the right telescopic rod (8), and a net (7) is arranged between the sliding walls of the left telescopic, a groove (18) is formed in the sliding wall of the left telescopic rod (5), a rotating shaft (13) is arranged in the sliding wall of the left telescopic rod (5), a motor (17) is arranged on one side of the rotating shaft (13), a button (6) is arranged on the fixed wall of the left telescopic rod (5), a storage battery (16) is arranged in the fixed wall of the left telescopic rod (5), a solar panel (11) is arranged on the outer wall of the left bottom plate (12), a storage box (1) is arranged on the other side of the left bottom plate (12), a box cover (3) is arranged at the upper end of the storage box (1), a lock handle (2) is arranged on one side wall of the storage box (1), a lock catch (4) is arranged on one side wall of the box cover (3), a first camera 21 is arranged at the upper end of one side wall of the left telescopic rod (5), and a, the first camera 21) and the second camera 20 are internally provided with memory cards 19.
2. A multi-function tennis racket according to claim 1, wherein: the left bottom plate (12) is connected with the sliding rail (10) through a screw, the right bottom plate (9) is connected with the pulley (24) in a rotating mode, and the pulley (24) is connected with the sliding rail (10) in a sliding mode.
3. A multi-function tennis racket according to claim 1, wherein: the fixing rod (22) penetrates through the right bottom plate (9), and the fixing rod (22) is connected with the fixing hole (23) through threads.
4. A multi-function tennis racket according to claim 1, wherein: the left telescopic rod (5) is connected with the left bottom plate (12) through a screw, and the right telescopic rod (8) is connected with the right bottom plate (9) through a screw.
5. A multi-function tennis racket according to claim 1, wherein: the positioning column (14) is connected with the left telescopic rod (5) and the right telescopic rod (8) through springs.
6. A multi-function tennis racket according to claim 1, wherein: net (7) one end with pivot (13) are through the screw connection, net (7) other end with right telescopic link (8) slip wall passes through the screw connection, pivot (13) with left side telescopic link (5) slip wall passes through the bearing and connects, pivot (13) with motor (17) key-type connection, button (6) with left side telescopic link (5) are through spring coupling, button (6) with motor (17) electricity is connected.
7. A multi-function tennis racket according to claim 1, wherein: the storage battery pack (16) is connected with the left telescopic rod (5) through screws, the solar panel (11) is connected with the left bottom plate (12) through screws, and the solar panel (11) is electrically connected with the storage battery pack (16).
8. A multi-function tennis racket according to claim 1, wherein: the storage box (1) is connected with the left bottom plate (12) through screws, the storage box (1) is connected with the box cover (3) through hinges, the lock handle (2) is connected with the storage box (1) through screws, the lock catch (4) is connected with the box cover (3) through screws, and the lock handle (2) is connected with the lock catch (4) through a buckle.
9. A multi-function tennis racket according to claim 1, wherein: camera one 21) and camera two (20) with left side telescopic link (5) all pass through the screw connection, memory card (19) with camera one 21) and camera two (20) all connect through the draw-in groove.
10. A method of using a tennis racket, applied to the tennis racket of any one of claims 1 to 9, the method comprising: firstly fixing the left bottom plate (12) and the slide rail (10) on the ground through bolts, fixing a tennis frame, then pushing the right bottom plate (9) along the slide rail (10) to move, and simultaneously opening the motor (17) through the button (6), so that the motor (17) drives the rotating shaft (13) to rotate reversely, further unfolding the tennis net (7), after the tennis net (7) is unfolded, twisting the fixing rod (22) in the fixing hole (23) to fix the right bottom plate (9), then adjusting the left telescopic rod (5) and the right telescopic rod (8) according to the height of the tennis net (7), arranging the tennis net (7) at a proper height, and after the adjustment, fixing the height of the tennis net (7) through the positioning column (14) and the positioning hole (15), in the training process, the first camera 21) and the second camera 20 record videos of trainers at two sides, the videos are stored through the memory card 19, the trainers can watch the videos conveniently in the later period, irregular actions are corrected, the trainers can improve the skills, the user experience of the tennis frame is improved, after the training is finished, tennis balls can be stored in the storage box 1 to prepare for the next training of the trainers, meanwhile, the trainers do not need to take the tennis balls for training, the practicability of the tennis frame is improved, finally, the motor 17 drives the rotating shaft 13 to rotate forwards, the tennis net 7 is rolled, external factors such as wind, rain and the like are prevented from corroding the tennis net 7 when the tennis frame is idle, the service life of the tennis frame is prolonged, and meanwhile, the trainers push the right bottom plate 9 to move towards the left bottom plate 12, the occupied space of the tennis frame is reduced, the field utilization rate is improved, and the functionality of the tennis frame is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010077921.3A CN111228762A (en) | 2020-02-01 | 2020-02-01 | Multifunctional tennis frame and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010077921.3A CN111228762A (en) | 2020-02-01 | 2020-02-01 | Multifunctional tennis frame and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111228762A true CN111228762A (en) | 2020-06-05 |
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ID=70878182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010077921.3A Pending CN111228762A (en) | 2020-02-01 | 2020-02-01 | Multifunctional tennis frame and use method thereof |
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| Country | Link |
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| CN (1) | CN111228762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840946A (en) * | 2020-08-04 | 2020-10-30 | 河南应用技术职业学院 | Portable multifunctional ball net rack |
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| WO2005049153A1 (en) * | 2003-11-17 | 2005-06-02 | Vic Standards, Inc. | Retractable telescoping court standard |
| CN204447198U (en) * | 2015-03-15 | 2015-07-08 | 沈阳化工大学科亚学院 | A kind of movable tennis shelf |
| CN205549438U (en) * | 2016-04-28 | 2016-09-07 | 黑河学院 | Can monitor tennis frame automatically |
| CN108114442A (en) * | 2018-02-08 | 2018-06-05 | 湖南文理学院 | A kind of special shuttlecock training net of physical culture |
| CN208959258U (en) * | 2018-08-07 | 2019-06-11 | 华东交通大学 | A kind of multi-purpose tennis column |
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2020
- 2020-02-01 CN CN202010077921.3A patent/CN111228762A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005049153A1 (en) * | 2003-11-17 | 2005-06-02 | Vic Standards, Inc. | Retractable telescoping court standard |
| CN204447198U (en) * | 2015-03-15 | 2015-07-08 | 沈阳化工大学科亚学院 | A kind of movable tennis shelf |
| CN205549438U (en) * | 2016-04-28 | 2016-09-07 | 黑河学院 | Can monitor tennis frame automatically |
| CN108114442A (en) * | 2018-02-08 | 2018-06-05 | 湖南文理学院 | A kind of special shuttlecock training net of physical culture |
| CN208959258U (en) * | 2018-08-07 | 2019-06-11 | 华东交通大学 | A kind of multi-purpose tennis column |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840946A (en) * | 2020-08-04 | 2020-10-30 | 河南应用技术职业学院 | Portable multifunctional ball net rack |
| CN111840946B (en) * | 2020-08-04 | 2022-02-18 | 河南应用技术职业学院 | Portable multifunctional ball net rack |
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Application publication date: 20200605 |