CN112121381A - Movable badminton vertical net device - Google Patents
Movable badminton vertical net device Download PDFInfo
- Publication number
- CN112121381A CN112121381A CN202011011100.6A CN202011011100A CN112121381A CN 112121381 A CN112121381 A CN 112121381A CN 202011011100 A CN202011011100 A CN 202011011100A CN 112121381 A CN112121381 A CN 112121381A
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- rotating shaft
- shaped
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- groove
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/04—Badminton
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
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Abstract
The invention discloses a movable badminton net erecting device, which comprises a net erecting part, a net erecting part and a net erecting part, wherein the net erecting part is arranged on the net erecting part; the vertical net is characterized in that two symmetrical ends of the two ends of the vertical net are fixedly arranged in the T-shaped column; the T-shaped column is arranged in the mounting column in a sliding manner; the bottom end of the mounting column is fixedly provided with a mounting seat; a second rotating shaft is fixedly arranged in the middle of the bottom end of the T-shaped column; the first supporting rod and the second supporting rod are rotatably arranged on the second rotating shaft; the other ends of the first supporting rod and the second supporting rod are respectively and rotatably arranged on two groups of third rotating shafts; the third rotating shaft is fixedly arranged in one side of the U-shaped block; the U-shaped blocks are symmetrically and slidably arranged in two sides of the top end of the mounting seat; the middle part of the other side of the U-shaped block is rotatably provided with a worm; the worm is provided with a threaded pipe in a threaded transmission sleeve, and the threaded pipe is connected with a rotating device in a transmission fit mode through a chain. The device can freely adjust the height of the vertical net according to the actual conditions of people in different age groups, and the practicability of the badminton vertical net device is improved.
Description
Technical Field
The invention relates to the technical field of badminton net devices, in particular to a movable badminton net device.
Background
The stadium fence net has complete specifications and various types, is one of the most professional stadium fence production plants in China, and can be used for producing basketball court sports fences, playground sports fences, badminton court fences, stadium fence nets, track and field fence nets, stadium fence nets, golf practice nets and other products. Stadium fences are abbreviated: the sports purse seine is installed on site, and the net columns and the purse seine are constructed on site. The badminton vertical net can effectively intercept the badminton, prevent athletes from picking up the badminton remotely and wasting training time, and improve training efficiency.
The height of the vertical net cannot be freely adjusted in the existing badminton vertical net, certain trouble is caused to people in different age groups playing badminton, and meanwhile, the vertical net cannot guarantee that some people can effectively intercept flying balls when the vertical net is used.
Disclosure of Invention
The invention aims to provide a movable badminton net standing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a movable badminton vertical net device comprises a vertical net; the device is characterized in that T-shaped columns are symmetrically arranged at two ends of the vertical net, and the two ends of the vertical net are fixedly arranged in the T-shaped columns; the T-shaped column is arranged in the mounting column in a sliding manner; the mounting column is fixedly mounted in the middle of the mounting seat; the mounting seats are provided with two groups; the bottom end of the T-shaped column is provided with a groove; a second rotating shaft is fixedly arranged in the middle of the groove; the first supporting rod and the second supporting rod are rotatably arranged on the second rotating shaft; one ends of the first supporting rod and the second supporting rod, which are far away from the groove, are respectively and rotatably arranged on the two groups of third rotating shafts; the third rotating shaft is fixedly arranged in one side of the U-shaped block; the U-shaped blocks are symmetrically and slidably arranged in two sides of the top end of the mounting seat; the middle part of one side of the U-shaped block, which is far away from the first support rod or the second support rod, is rotatably provided with a worm; a threaded pipe is sleeved on the worm in a threaded transmission manner; the threaded pipes are symmetrically and rotatably arranged in two sides of the top end of the mounting seat; the threaded pipe is connected with a rotating device in a transmission fit manner through a chain; the two ends of the worm are respectively provided with a disc and a limiting plate in a transmission way; the limiting plate is rotatably arranged in the U-shaped block; the disc is arranged in the circular groove; the circular grooves are symmetrically arranged in two sides of the mounting seat.
Further, the U-shaped block is arranged in the sliding groove in a sliding mode; the sliding grooves are symmetrically arranged on two sides of the mounting seat.
Furthermore, a T-shaped groove is formed in one side, close to the T-shaped column, of the mounting column; a T-shaped column is arranged in the T-shaped groove in a sliding manner; a second square groove is formed in the lower portion of one side, far away from the T-shaped groove, of the mounting column; the second square groove is communicated with the T-shaped groove.
Further, the rotating device comprises a motor, a fifth rotating shaft, a second gear, a fourth rotating shaft and a first gear; the fourth rotating shaft and the fifth rotating shaft are rotatably arranged in the lower part of the mounting seat in parallel, and the fifth rotating shaft is arranged on one side of the upper part of the fourth rotating shaft; a first gear is fixedly arranged at one end of the fourth rotating shaft far away from the fifth rotating shaft and the middle part of the fifth rotating shaft; the first gear is in transmission fit connection with the threaded pipe through a chain; and second gears are fixedly mounted at one end of the fourth rotating shaft far away from the first gear and one end of the fifth rotating shaft close to the fourth rotating shaft, and the second gears are in transmission engagement.
Further, one end of the fifth rotating shaft, which is far away from the second gear, is in transmission connection with a motor; the motor is fixedly arranged on the outer side of the mounting seat.
Furthermore, a first square groove is formed in one side, close to the vertical net, of the T-shaped column; a first rotating shaft is rotatably arranged in the first square groove; the first rotating shaft is fixedly connected with a vertical net.
Furthermore, a coil spring is arranged at the part of the vertical net, and one end of the coil spring close to the first rotating shaft is fixedly arranged on the first rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
the vertical net arranged in the badminton vertical net device can be adjusted in height in the vertical direction, and the height of the vertical net is adjusted according to actual use conditions of people in different age groups, so that people in different age groups can effectively intercept flying balls when in use, and the practicability of the badminton vertical net device is improved; meanwhile, the vertical net arranged in the device can be wound on the first rotating shaft, so that the vertical net is prevented from being accumulated outside the device when not in use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged schematic view of the area A in FIG. 1 according to the present invention.
Fig. 3 is an enlarged structural view of a region B in fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic structural view of the region C in fig. 1 according to the present invention.
Fig. 5 is an enlarged schematic structural view of a region D in fig. 1 according to the present invention.
FIG. 6 is an enlarged schematic view of region E in FIG. 1 according to the present invention.
Fig. 7 is a schematic structural view of the mounting post of the present invention.
In the figure: 1-vertical net, 2-T-shaped column, 3-mounting column, 4-T-shaped groove, 5-first rotating shaft, 6-first square groove, 7-first supporting rod, 8-second rotating shaft, 9-groove, 10-second supporting rod, 11-third rotating shaft, 12-U-shaped block, 13-limiting plate, 14-worm, 15-threaded pipe, 16-chain, 17-first gear, 18-fourth rotating shaft, 19-sliding groove, 20-disc, 21-circular groove, 22-fifth rotating shaft, 23-second gear, 24-motor, 25-second square groove and 26-mounting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 6, in an embodiment of the present invention, an active badminton net device includes a net 1; the two ends of the vertical net 1 are symmetrically provided with T-shaped columns 2, and the two ends of the vertical net 1 are fixedly arranged in the T-shaped columns 2; the T-shaped column 2 is arranged in the mounting column 3 in a sliding manner; the mounting column 3 is fixedly mounted in the middle of the mounting seat 26; two groups of mounting seats 26 are arranged; the bottom end of the T-shaped column 2 is provided with a groove 9; a second rotating shaft 8 is fixedly arranged in the middle of the groove 9; the second rotating shaft 8 is rotatably provided with a first supporting rod 7 and a second supporting rod 10; one ends of the first supporting rod 7 and the second supporting rod 10, which are far away from the groove 9, are respectively and rotatably arranged on two groups of third rotating shafts 11; the third rotating shaft 11 is fixedly arranged in one side of the U-shaped block 12; the U-shaped block 12 is symmetrically and slidably arranged in two sides of the top end of the mounting seat 26; a worm 14 is rotatably arranged in the middle of one side of the U-shaped block 12, which is far away from the first support rod 7 or the second support rod 10; a threaded pipe 15 is sleeved on the worm 14 in a threaded transmission manner; the threaded pipe 15 is symmetrically and rotatably arranged in two sides of the top end of the mounting seat 26; the threaded pipe 15 is connected with a rotating device in a transmission fit manner through a chain 16; the rotating device drives the threaded pipe 15 to rotate through the chain 16, the threaded pipe 15 rotates to enable the worm 14 to rotate and move in the horizontal direction, namely the rotation directions of the two sets of the worms 14 are opposite, namely the moving directions are opposite, in the moving process of the U-shaped block 12, one ends, close to the U-shaped block 12, of the first supporting rod 7 and one end, close to the U-shaped block 10, of the second supporting rod 10 also move in the horizontal direction, and the T-shaped column 2 can only move in the vertical direction, so that the T-shaped column 2 is lifted in the vertical direction by fixing one ends, far away from the U-shaped block 12, of the first supporting rod 7 and the second supporting rod 10, and the effect of adjusting the height of the; two ends of the worm 14 are respectively provided with a disc 20 and a limit plate 13 in a transmission way; the limiting plate 13 is rotatably arranged in the U-shaped block 12; the disc 20 is arranged in the circular groove 21; the circular grooves 21 are symmetrically arranged in two sides of the mounting seat 26; the stopper plate 13 allows the worm 14 to be disposed in the U-shaped block 12 at one end thereof without relative movement in the horizontal direction with respect to the U-shaped block 12.
Referring to fig. 1 and 3, the U-shaped block 12 is slidably disposed in the sliding groove 19; the sliding grooves 19 are symmetrically arranged on two sides of the mounting seat 26.
Referring to fig. 1, 2 and 7, a T-shaped slot 4 is formed on one side of the mounting post 3 close to the T-shaped post 2; the T-shaped groove 4 is internally provided with a T-shaped column 2 in a sliding way; a second square groove 25 is formed in the lower portion of one side, far away from the T-shaped groove 4, of the mounting column 3; the second square groove 25 is communicated with the T-shaped groove 4.
Referring to fig. 1, 4, 5 and 6, the rotating device includes a motor 24, a fifth rotating shaft 22, a second gear 23, a fourth rotating shaft 18 and a first gear 17; the fourth rotating shaft 18 and the fifth rotating shaft 22 are parallelly and rotatably installed in the lower part of the installation seat 26, and the fifth rotating shaft 22 is arranged on one side of the upper part of the fourth rotating shaft 18; a first gear 17 is fixedly arranged at one end of the fourth rotating shaft 18 far away from the fifth rotating shaft 22 and the middle part of the fifth rotating shaft 22; the first gear 17 is in transmission fit connection with the threaded pipe 15 through a chain 16; a second gear 23 is fixedly mounted at one end of the fourth rotating shaft 18 far away from the first gear 17 and one end of the fifth rotating shaft 22 close to the fourth rotating shaft 18, and the second gears 23 are in transmission engagement; when the fifth rotating shaft 22 rotates, the second gear 23 on the fifth rotating shaft 22 and the first gear 17 on the fifth rotating shaft 22 also rotate along with the rotation of the fifth rotating shaft 22, and the second gear 23 on the fifth rotating shaft 22 rotates to make the second gear 23 on the fourth rotating shaft 18 rotate in the opposite direction, even if the fourth rotating shaft 18 and the first gear 17 on the fourth rotating shaft 18 rotate in the opposite direction, i.e. the two sets of first gears 17 rotate in the opposite direction; the rotation of the first gear 17 drives the rotation of the threaded pipe 15 by the chain 16.
Referring to fig. 1, one end of the fifth rotating shaft 22 away from the second gear 23 is connected to a motor 24 in a transmission manner; the motor 24 is fixedly mounted on the outside of the mounting base 26.
Example 2
Referring to fig. 1 and 2, a first square groove 6 is formed on one side of the T-shaped column 2 close to the vertical net 1; a first rotating shaft 5 is rotatably arranged in the first square groove 6; fixedly connected with founds net 1 on the first pivot 5, be convenient for when not using the device, can twine founding net 1 on first pivot 5, avoid founding net 1 and pile up outside when not using, found the ash that falls on net 1.
The part of the vertical net 1 is provided with a coil spring, one end of the coil spring close to the first rotating shaft 5 is fixedly installed on the first rotating shaft 5, and when the vertical net 1 is folded, the acting force of the coil spring can drive the two sides of the vertical net 1 to be automatically wound on the first rotating shaft 5.
The working principle of the invention is as follows:
when the vertical net is used, the mounting base 26 and the mounting column 3 are respectively moved towards two sides, so that the vertical net 1 can be unfolded, the motor 24 is started according to actual practical conditions, the motor 24 rotates to drive the fifth rotating shaft 22, the second gear 23 on the fifth rotating shaft 22 and the first gear 17 on the fifth rotating shaft 22 to rotate, the second gear 23 on the fifth rotating shaft 22 rotates to enable the second gear 23 on the fourth rotating shaft 18 to reversely rotate, and even if the fourth rotating shaft 18 and the first gear 17 on the fourth rotating shaft 18 reversely rotate, namely the two groups of first gears 17 rotate and the rotating directions are opposite; the first gear 17 rotates to drive the threaded pipe 15 to rotate through the chain 16, the threaded pipe 15 rotates to enable the worm 14 to rotate and move in the horizontal direction, namely, the rotation directions of the two sets of the worms 14 are opposite, namely, the moving directions are opposite, in the moving process of the U-shaped block 12, one ends, close to the U-shaped block 12, of the first supporting rod 7 and one end, close to the U-shaped block 12, of the second supporting rod 10 move in the horizontal direction, the T-shaped column 2 can only move in the vertical direction due to the fact that the T-shaped column 2 can only move in the vertical direction, and the end, far away from the U-shaped block 12, of the first supporting rod 7 and the end, far away from the U-shaped block 12.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A movable badminton vertical net device comprises a vertical net (1); the novel vertical net is characterized in that T-shaped columns (2) are symmetrically arranged at two ends of the vertical net (1), and two ends of the vertical net (1) are fixedly arranged in the T-shaped columns (2); the T-shaped column (2) is arranged in the mounting column (3) in a sliding manner; the mounting column (3) is fixedly mounted in the middle of the mounting seat (26); two groups of mounting seats (26) are arranged; the bottom end of the T-shaped column (2) is provided with a groove (9); a second rotating shaft (8) is fixedly arranged in the middle of the groove (9); a first supporting rod (7) and a second supporting rod (10) are rotatably mounted on the second rotating shaft (8); one ends of the first supporting rod (7) and the second supporting rod (10) far away from the groove (9) are respectively and rotatably arranged on two groups of third rotating shafts (11); the third rotating shaft (11) is fixedly arranged in one side of the U-shaped block (12); the U-shaped blocks (12) are symmetrically and slidably arranged in two sides of the top end of the mounting seat (26); a worm (14) is rotatably arranged in the middle of one side of the U-shaped block (12) far away from the first support rod (7) or the second support rod (10); a threaded pipe (15) is sleeved on the worm (14) in a threaded transmission way; the threaded pipe (15) is symmetrically and rotatably arranged in two sides of the top end of the mounting seat (26); the threaded pipe (15) is connected with a rotating device in a transmission fit manner through a chain (16); two ends of the worm (14) are respectively provided with a disc (20) and a limiting plate (13) in a transmission way; the limiting plate (13) is rotatably arranged in the U-shaped block (12); the disc (20) is arranged in the circular groove (21); the circular grooves (21) are symmetrically arranged in two sides of the mounting seat (26).
2. A movable badminton net standing device according to claim 1, wherein a first square groove (6) is formed in one side of the T-shaped column (2) close to the net (1); a first rotating shaft (5) is rotatably arranged in the first square groove (6); the first rotating shaft (5) is fixedly connected with a vertical net (1).
3. A movable badminton net standing device according to claim 1, wherein, the rotating device comprises a motor (24), a fifth rotating shaft (22), a second gear (23), a fourth rotating shaft (18) and a first gear (17); the fourth rotating shaft (18) and the fifth rotating shaft (22) are rotatably mounted in the lower part of the mounting seat (26) in parallel, and the fifth rotating shaft (22) is arranged on one side of the upper part of the fourth rotating shaft (18); a first gear (17) is fixedly arranged at one end of the fourth rotating shaft (18) far away from the fifth rotating shaft (22) and the middle part of the fifth rotating shaft (22); the first gear (17) is in transmission fit connection with the threaded pipe (15) through a chain (16); and one end of the fourth rotating shaft (18) far away from the first gear (17) and one end of the fifth rotating shaft (22) close to the fourth rotating shaft (18) are fixedly provided with second gears (23), and the second gears (23) are in transmission engagement.
4. An active badminton net standing device according to claim 1, wherein the U-shaped block (12) is slidably disposed in the chute (19); the sliding grooves (19) are symmetrically arranged on two sides of the mounting seat (26).
5. A movable badminton net standing device according to claim 1, wherein a T-shaped groove (4) is formed in one side of the mounting post (3) close to the T-shaped post (2); the T-shaped groove (4) is internally provided with a T-shaped column (2) in a sliding way; a second square groove (25) is formed in the lower portion of one side, far away from the T-shaped groove (4), of the mounting column (3); the second square groove (25) is communicated with the T-shaped groove (4).
6. A movable badminton net standing device according to claim 2, wherein the part of the net (1) is provided with a coil spring, and one end of the coil spring close to the first rotating shaft (5) is fixedly arranged on the first rotating shaft (5).
7. The movable badminton net standing device according to claim 3, wherein one end of the fifth rotating shaft (22) far away from the second gear (23) is connected with a motor (24) in a transmission way; the motor (24) is fixedly arranged on the outer side of the mounting seat (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011100.6A CN112121381A (en) | 2020-09-23 | 2020-09-23 | Movable badminton vertical net device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011100.6A CN112121381A (en) | 2020-09-23 | 2020-09-23 | Movable badminton vertical net device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112121381A true CN112121381A (en) | 2020-12-25 |
Family
ID=73839187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011011100.6A Pending CN112121381A (en) | 2020-09-23 | 2020-09-23 | Movable badminton vertical net device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112121381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933565A (en) * | 2021-02-02 | 2021-06-11 | 郑州职业技术学院 | Portable multipurpose ball net rack and use method |
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| US4357019A (en) * | 1980-09-08 | 1982-11-02 | Wouters Howard L | Floatball apparatus |
| US20090011872A1 (en) * | 2005-03-21 | 2009-01-08 | He Zhang | Digitally Controlled, User Programmable and Field Relocatable Table Tennis Robot |
| CN102363073A (en) * | 2011-11-17 | 2012-02-29 | 中国科学院深圳先进技术研究院 | Badminton partner training robot mechanism |
| CN204134170U (en) * | 2014-10-22 | 2015-02-04 | 蔡晓霞 | A kind of fixture for volleyball net frame pillar |
| CN107234438A (en) * | 2016-12-30 | 2017-10-10 | 韩磊 | A kind of Work treatment installation |
| CN110237510A (en) * | 2019-07-23 | 2019-09-17 | 湖南第一师范学院 | A kind of adjustable badminton grid frame |
| CN209734896U (en) * | 2019-04-02 | 2019-12-06 | 南京铁道职业技术学院 | Adjustable net rack for badminton training |
| CN209828167U (en) * | 2019-03-30 | 2019-12-24 | 江苏工程职业技术学院 | Basketball pass trainer |
| CN111068259A (en) * | 2019-12-30 | 2020-04-28 | 武汉尚诚源健康科技有限公司 | Upper limb lacing wire training device based on self gravity |
-
2020
- 2020-09-23 CN CN202011011100.6A patent/CN112121381A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357019A (en) * | 1980-09-08 | 1982-11-02 | Wouters Howard L | Floatball apparatus |
| US20090011872A1 (en) * | 2005-03-21 | 2009-01-08 | He Zhang | Digitally Controlled, User Programmable and Field Relocatable Table Tennis Robot |
| CN102363073A (en) * | 2011-11-17 | 2012-02-29 | 中国科学院深圳先进技术研究院 | Badminton partner training robot mechanism |
| CN204134170U (en) * | 2014-10-22 | 2015-02-04 | 蔡晓霞 | A kind of fixture for volleyball net frame pillar |
| CN107234438A (en) * | 2016-12-30 | 2017-10-10 | 韩磊 | A kind of Work treatment installation |
| CN209828167U (en) * | 2019-03-30 | 2019-12-24 | 江苏工程职业技术学院 | Basketball pass trainer |
| CN209734896U (en) * | 2019-04-02 | 2019-12-06 | 南京铁道职业技术学院 | Adjustable net rack for badminton training |
| CN110237510A (en) * | 2019-07-23 | 2019-09-17 | 湖南第一师范学院 | A kind of adjustable badminton grid frame |
| CN111068259A (en) * | 2019-12-30 | 2020-04-28 | 武汉尚诚源健康科技有限公司 | Upper limb lacing wire training device based on self gravity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933565A (en) * | 2021-02-02 | 2021-06-11 | 郑州职业技术学院 | Portable multipurpose ball net rack and use method |
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