CN113893512B - Simulation ball serving device for volleyball training - Google Patents
Simulation ball serving device for volleyball training Download PDFInfo
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- CN113893512B CN113893512B CN202111402146.5A CN202111402146A CN113893512B CN 113893512 B CN113893512 B CN 113893512B CN 202111402146 A CN202111402146 A CN 202111402146A CN 113893512 B CN113893512 B CN 113893512B
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- volleyball
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/407—Stationarily-arranged devices for projecting balls or other bodies with spring-loaded propelling means
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Abstract
The invention discloses a simulation service device for volleyball training, which relates to the technical field of volleyball service training and comprises a box body, wherein a service cylinder is arranged at the inner upper part of the box body, a cavity is arranged at the inner lower part of the box body, and symmetrical grooves are respectively formed in the top and the bottom of the inner side of the service cylinder; the ball collecting hopper is erected at the top of the box body; the ball hitting device comprises a squeezing plate which is arranged inside the ball serving barrel in a sliding mode and far away from one side of the ball outlet; the driving device comprises an eccentric wheel which is rotatably arranged between the front side wall and the rear side wall of the cavity, and an angular displacement sensor is arranged in an eccentric shaft of the eccentric wheel; the jacking device is used for jacking one end of the bottom of the box body to change the serving angle; and the controller is arranged on one side of the box body and is electrically connected with the angular displacement sensor. The invention can ensure that the extrusion plate moves in the direction vertical to the ball serving barrel, the condition of falling on one side can not occur, and a plurality of batting gears can be arranged to simulate the serve of different forces of a human.
Description
Technical Field
The invention relates to the technical field of volleyball serving training, in particular to a simulated serving device for volleyball training.
Background
Volleyball sports is popular among many people as an important sport, and the volleyball sports often participates in volleyball sports, so that the body can develop higher potential strength speed, agility and endurance, has the functions of improving the cardiovascular system of people, promotes physical health, and cultivates the psychology of brave hardiness and cold peace and break and the team cooperation spirit. In recent years, volleyball sports are rapidly developed, a plurality of fans and sports enthusiasts start to learn volleyball, and more volleyball enthusiasts learn the specialization of volleyball playing.
In volleyball training, at least one person serve and cooperate the sportsman to train, in order to liberate the service person, designed volleyball service ware and assisted the sportsman and train, present volleyball service ware equipment training is more single, the variability is poor, can't simulate in the reality or really by the position variability of the ball that the people hit, training effect is limited, it is little to the exercise effect of sportsman's quick response ability and judgement ability in the twinkling of an eye, its actual training effect can be discounted greatly.
Disclosure of Invention
The embodiment of the invention provides a simulated serve device for volleyball training, which can solve the problems in the prior art.
The invention provides a simulation service device for volleyball training, which comprises:
the box body is provided with a ball serving barrel at the inner upper part, a cavity is arranged at the inner lower part, and symmetrical grooves are respectively formed in the top and the bottom of the inner side of the ball serving barrel;
the ball collecting hopper is erected at the top of the box body and is communicated with the ball serving barrel;
the ball hitting device comprises a squeezing plate which is arranged in the ball serving barrel in a sliding mode and far away from one side of the ball outlet, and a plurality of springs are arranged between the squeezing plate and the inner end face of the ball serving barrel; sliding rods are fixedly arranged in each groove, each sliding rod is sleeved with a sliding sleeve in a sliding mode, the two sliding sleeves and the extrusion plate are located on the same vertical surface, one opposite side of each sliding sleeve is fixedly connected with the upper side and the lower side of the extrusion plate through connecting strips, a connecting block is fixedly arranged on the lower side of the sliding sleeve located below the sliding sleeve, the connecting block extends into the cavity, and the end portion of the connecting block is fixedly connected with a baffle;
the driving device is rotatably arranged in the cavity and comprises an eccentric wheel rotatably arranged between the front side wall and the rear side wall of the cavity, an angular displacement sensor is arranged in an eccentric shaft of the eccentric wheel, a first push plate and a plurality of second push plates are circumferentially arranged on the eccentric wheel, and the first push plate and the plurality of second push plates drive the baffle plate to slide along the horizontal direction;
the jacking device is used for jacking one end of the bottom of the box body to change the serving angle;
and the controller is arranged on one side of the box body and is electrically connected with the angular displacement sensor.
Preferably, the ball forming machine further comprises an annular limiting plate fixedly arranged inside the ball forming barrel, and one side of the extrusion plate is abutted against one side of the limiting plate.
Preferably, the inner diameter of the limiting plate is smaller than the diameter of the volleyball, and a damping sheet is arranged on one side, facing the extrusion plate, of the limiting plate.
Preferably, the first push plate is fixed at the top of the eccentric wheel along the vertical direction, the plurality of second push plates are arranged on the side face of the eccentric wheel in the clockwise circumferential direction, and the angle formed by each two adjacent second push plates and the circle center is gradually increased and then decreased.
Preferably, the first push plate and the plurality of second push plates have the same structure, and each of the first push plate and the plurality of second push plates includes:
a clamping groove is formed in the middle of the top of the lower plate;
the top of the upper plate is rotatably connected with a shaft rod, the bottom of the upper plate is uniformly provided with a plurality of clamping blocks, two sides of the bottom of the upper plate are rotatably connected with the inner end surfaces of two clamping grooves through rotating shafts, the rotating shafts penetrate through the clamping blocks and are fixedly connected with the clamping blocks, and a torsional spring is sleeved between every two adjacent clamping blocks.
Preferably, the jacking device comprises:
the partition plate is fixedly arranged on the inner side wall of the cavity;
the screw rod is rotatably arranged at the bottom of the partition plate, a slip ring is connected to the screw rod in a threaded manner, two arc-shaped connecting plates are symmetrically and fixedly connected to the bottom of the slip ring, and the bottoms of the two connecting plates extend out of the box body and are fixedly connected with a fixing plate;
the universal swivel is fixedly arranged at the bottom of the fixing plate;
the sucker is fixedly arranged at the bottom of the universal swivel;
the first motor is arranged at the top of the partition plate, is electrically connected with the controller and is used for driving the lead screw to rotate.
Preferably, the device further comprises a second motor, which is arranged outside the box body, electrically connected with the controller and used for driving the eccentric wheel to rotate.
Preferably, the damping device further comprises a plurality of rollers arranged at the bottom of the box body, and a damping cylinder is arranged between each roller and the bottom of the box body.
Preferably, the diameter of the ball serving barrel is slightly larger than that of the volleyball.
Preferably, the controller is internally provided with a central processing unit and a storage device.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the sliding rods are fixedly arranged between two ends of the two grooves, each sliding rod is sleeved with the sliding sleeve in a sliding manner, the two sliding sleeves and the extrusion plate are positioned on the same vertical surface, force is applied to the extrusion plate in any direction, the two sliding sleeves can be driven to slide synchronously, the extrusion plate can be ensured to move in the direction vertical to the ball serving barrel, and the situation that the extrusion plate falls over on one side can not occur.
(2) Rotate between the wall of both sides around the cavity and be equipped with the eccentric wheel, the eccentric shaft of eccentric wheel is located centre of a circle top, its inside angle displacement sensor that is equipped with, the eccentric wheel top is equipped with first push pedal along vertical direction, clockwise is equipped with a plurality of second push pedals along eccentric wheel circumference, and along two adjacent second push pedals of clockwise and the mutual grow gradually of angle that becomes of centre of a circle and diminish again, the baffle that can guarantee to kick-back after the extrusion of last push pedal is accomplished can not hit next push pedal and hit, a plurality of second push pedals extrude the baffle in proper order, reach the effect of different dynamics battings, thereby serve when the different dynamics of anthropomorphic dummy.
(3) The structure of the first push plate and the plurality of second push plates is completely the same, the first push plate and the plurality of second push plates are combined, the ball hitting device comprises a lower plate and an upper plate, a clamping groove is formed in the middle of the top of the lower plate, a plurality of clamping blocks are uniformly arranged at the bottom of the upper plate, two sides of the bottom of the upper plate are rotatably connected with inner end faces of two ends of the clamping groove through rotating shafts, the rotating shafts penetrate through the plurality of clamping blocks and are fixedly connected with the plurality of clamping blocks, a torsional spring is sleeved between every two adjacent clamping blocks, a shaft rod is rotatably connected to the top of the upper plate, when the first push plate is abutted against the baffle, the shaft rod can reduce resistance between the first push plate and the baffle, the baffle can be extruded leftwards along the anticlockwise direction, after the abutting is completed, an eccentric wheel can be rotated clockwise, the upper plate can be turned leftwards under the action of the torsional spring, the original position of the first push plate can be returned, and the plurality of second push plates are combined, and the ball hitting device can be provided with a plurality of ball hitting gears.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of a simulated serve device for volleyball training according to the present invention;
FIG. 2 is a schematic front cross-sectional view of a simulated serve apparatus for volleyball training in accordance with the present invention;
FIG. 3 is a schematic structural view of a first push plate according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2;
fig. 5 is a schematic diagram of a right-side view structure of the simulated serve device for volleyball training of the invention.
In the figure: 1-box body, 2-ball serving barrel, 20-extrusion plate, 21-spring, 3-cavity, 30-eccentric wheel, 301-first push plate, 302-second push plate, 31-eccentric shaft, 32-angular displacement sensor, 33-lower plate, 34-clamping groove, 35-upper plate, 36-shaft rod, 37-clamping block, 38-rotating shaft, 39-torsion spring, 40-partition plate, 41-lead screw, 42-sliding ring, 43-connecting plate, 44-fixing plate, 45-universal rotating head, 46-sucking disc, 47-first motor, 5-groove, 50-sliding rod, 51-sliding sleeve, 52-connecting block, 53-baffle, 6-ball collecting bucket, 7-controller, 8-limiting plate, 9-second motor, 10-roller, 100-shock tube.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, the invention provides a simulated ball serving device for volleyball training, which comprises a box body 1, wherein a cylindrical ball serving barrel 2 is arranged at the top in the box body 1 along the length direction, the diameter of the ball serving barrel 2 is slightly larger than that of volleyballs, a cavity 3 is arranged below the ball serving barrel 2, symmetrical grooves 5 along the length direction of the box body 1 are respectively arranged at the top and the bottom in the ball serving barrel 2, a ball collecting hopper 6 is arranged at the top of the box body 1, an outlet of the ball collecting hopper 6 is communicated with the ball serving barrel 2, a through outlet of the ball serving barrel 2 is close to an outlet, the ball collecting hopper 6 is used for placing a plurality of volleyballs, a controller 7 is arranged at the outer side of the box body 1, and an internal central processing unit and a storage device are used for controlling the whole device.
In the embodiment, the invention can be externally connected with a power supply or internally provided with a large-capacity storage battery to supply power to the whole device.
Specifically, referring to fig. 2, a pushing device is arranged at the inner end of the service barrel 2, and includes a vertically arranged circular extrusion plate 20, which can slide inside the service barrel 2, a plurality of springs 21 are arranged between the extrusion plate 20 and the inner end surface of the service barrel 2, and the pushing device can push out the volleyballs.
Be equipped with synchronizer in two recess 5 insides, including fixed slide bar 50 that sets up between recess 5 both ends, the inside slide bar 50 that is equipped with of a recess 5, it is equipped with sliding sleeve 51 all to slide on every slide bar 50, two sliding sleeves 51 are in same vertical face with stripper plate 20, two sliding sleeve 51 one side in opposite directions pass through connecting strip fixed connection with the upper and lower side of stripper plate 20 respectively, two recess 5 one side in opposite directions all is equipped with first logical groove, two first logical grooves link up with serving barrel 2, the connecting strip can slide in first logical groove inside, exert force to stripper plate 20 in arbitrary one direction, can drive two sliding sleeves 51 and slide simultaneously, can guarantee that stripper plate 20 moves in the direction with serving barrel 2 vertically, the condition of falling on one side can not appear. The downside of recess 5 that is located the below is equipped with the second and leads to the groove, the second leads to the groove and link up with cavity 3, the downside of the sliding sleeve 51 that is located the below is fixed with connecting block 52, connecting block 52 extends to the inside and tip fixedly connected with baffle 53 of cavity 3, connecting block 52 slides in the second is led to the inslot portion, when the inner orientation extrusion baffle 53 of a service section of thick bamboo 2, at first, it slides to drive sliding sleeve 51 of below, because the effect of stripper plate 20, and then the sliding sleeve 51 that drives the top slides, finally, it slides along the vertical direction of a service section of thick bamboo 2 to drive stripper plate 20.
In this example, 2 inside annular limiting plates 8 that are equipped with of service ball section of thick bamboo, limiting plate 8 sets up the position at the outer tip of recess 5 perpendicularly, limiting plate 8 is equipped with the shock attenuation piece towards one side of stripper plate 20, reduce stripper plate 20 to limiting plate 8's impact force, under initial state, one side of stripper plate 20 is contradicted with one side of limiting plate 8, limiting plate 8's internal diameter slightly is less than the diameter of volleyball, when placing the volleyball on limiting plate 8, the internal diameter that the volleyball can pass limiting plate 8 exposes a part spheroid, conveniently hit the volleyball.
The driving device is arranged in the cavity 3 and used for driving the baffle 53 to slide, the eccentric wheel 30 is rotatably arranged between the front side wall and the rear side wall of the cavity 3, the second motor 9 is arranged outside the box body 1 and used for driving the eccentric wheel to rotate, the angular displacement sensor 32 is arranged inside the eccentric shaft 31 of the eccentric wheel 30, the eccentric wheel 30 is circumferentially provided with a plurality of push plates, and the push plates are respectively abutted and extruded with the baffle 53 and can push the baffle 53 to slide.
In this example, the eccentric shaft of the eccentric wheel 30 is located above the center of circle, the top of the eccentric wheel 30 is provided with a first push plate 301 along the vertical direction, a plurality of second push plates 302 are arranged along the circumferential direction of the eccentric wheel 30 along the clockwise direction, and the angle formed by the two adjacent clockwise second push plates 302 and the center of circle is gradually increased and then decreased, so that the baffle 53 rebounded after the previous push plate is extruded can not hit the next push plate, in the initial state, the first push plate 301 is abutted against the side surface of the baffle 53, when the eccentric wheel 30 rotates counterclockwise, the first push plate 301 drives the baffle 53 to slide leftward, further drives the extrusion plate 20 to slide leftward, continues to rotate the eccentric wheel 30 counterclockwise, the first push plate 301 is separated from the baffle 53, the baffle 53 slides rightward under the action of a plurality of springs 21, hits volleyball to eject volleyball, continues to rotate the eccentric wheel 30 counterclockwise, the first second push plate 302 extrudes the baffle 53, under the action of the eccentric wheel 30, the baffle 53 slides farther, the hitting force is larger, and the subsequent second push plates 302 sequentially press the baffle 53 to achieve the hitting effect with different forces, so that the serve of a person with different forces is simulated.
Referring to fig. 2-4, in this example, the first push plate 301 and the plurality of second push plates 302 are identical in structure and each include: the ball hitting device comprises a lower plate 33 and an upper plate 35, wherein a clamping groove 34 is formed in the middle of the top of the lower plate 33, a plurality of clamping blocks 37 are uniformly arranged at the bottom of the upper plate 35, two sides of the bottom of the upper plate 35 are rotatably connected with two inner end surfaces of the clamping groove 34 through rotating shafts 38, the rotating shafts 38 penetrate through the clamping blocks 37 and are fixedly connected with the clamping blocks 37, a torsion spring 39 is sleeved between every two adjacent clamping blocks 37, a shaft rod 36 is rotatably connected to the top of the upper plate 35, when the first push plate 301 is abutted against the baffle plate 53, the shaft rod 36 can reduce the resistance between the first push plate 301 and the baffle plate 53, the baffle plate 53 can be extruded leftwards along the anticlockwise direction, after the abutting is completed, the eccentric wheel 30 can be rotated clockwise, and the upper plate 35 can be turned leftwards under the action of the torsion spring 39, so that the first push plate 301 returns to the original position, and is combined with a plurality of second push plates 302. The angle of each second push plate 302 which initially contacts the baffle 53 and the angle of the upper plate 35 of each second push plate 302 when the second push plate is completely rebounded are measured in advance by taking the first push plate 301 as a reference, the data are written into a storage device, and the central processing unit controls the second motor 9 to drive the eccentric wheel 30 to rotate, reads the angle data of the eccentric wheel 30 to control the eccentric wheel 30. A plurality of batting gears can be arranged in the controller 7, batting is carried out to and fro with the same strength or batting with different strengths randomly, and effective targeted training is carried out on a trainer.
Referring to fig. 2 again, the other side inside the cavity 3 is provided with a jacking device, which comprises a partition plate 40, the partition plate 40 is fixedly arranged at the upper part inside the cavity 3, the bottom of the partition plate 40 is rotatably provided with a lead screw 41, the top of the partition plate 40 is provided with a first motor 47 for driving the lead screw 41 to rotate, the lead screw 41 is in threaded connection with a slip ring 42, the bottom of the slip ring 42 is symmetrically and fixedly connected with two arc-shaped connecting plates 43, the bottom of the cavity 3 is provided with two arc-shaped limiting grooves, the bottoms of the two connecting plates 43 penetrate through the limiting grooves and are fixedly connected with a fixed plate 44, the bottom of the fixed plate 44 is provided with a universal swivel 45, the bottom of the universal swivel 45 is provided with a suction cup 46, the controller 7 controls the first motor 47 to rotate to drive the lead screw 41 to rotate, so that the slip ring 42 slides downwards to drive the suction cup 46 to move downwards and finally to be adsorbed on the ground, the first motor 47 continues to rotate, so that the side of the box body 1 can be lifted and different angles can be adjusted, meanwhile, the volleyball in the ball collecting hopper 6 falls behind, and is positioned on the limiting plate 8 due to the fact that the volleyball is inclined at a certain angle.
The bottom of the box body 1 is provided with a plurality of rollers 10, the rollers 10 can facilitate the movement of the whole device, and a damping cylinder 100 is arranged between the rollers 10 and the bottom of the box body 1, so that when one side of the box body 1 rises and falls, the device is prevented from being damaged due to too high speed.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A simulated tee apparatus for volleyball training, comprising:
the box body (1) is provided with a ball serving barrel (2) at the inner upper part, a cavity (3) is arranged at the inner lower part, and symmetrical grooves (5) are respectively formed in the top and the bottom of the inner side of the ball serving barrel (2);
the ball collecting hopper (6) is erected at the top of the box body (1) and is communicated with the ball serving barrel (2);
the ball hitting device comprises a squeezing plate (20) which is arranged in the ball serving barrel (2) in a sliding mode and far away from one side of a ball outlet, and a plurality of springs (21) are arranged between the squeezing plate (20) and the inner end face of the ball serving barrel (2); sliding rods (50) are fixedly arranged in each groove (5), each sliding rod (50) is sleeved with a sliding sleeve (51) in a sliding mode, the two sliding sleeves (51) and the extrusion plate (20) are located on the same vertical surface, one opposite side of each sliding sleeve is fixedly connected with the upper side and the lower side of the extrusion plate (20) through connecting strips, a connecting block (52) is fixed to the lower side of the sliding sleeve (51) located below the sliding sleeve, the connecting block (52) extends into the cavity (3), and the end portion of the connecting block is fixedly connected with a baffle (53);
the driving device is rotationally arranged in the cavity (3) and comprises an eccentric wheel (30) rotationally arranged between the front side wall and the rear side wall of the cavity (3), an angular displacement sensor (32) is arranged in an eccentric shaft (31) of the eccentric wheel (30), a first push plate (301) and a plurality of second push plates (302) are circumferentially arranged on the eccentric wheel (30), and the first push plate (301) and the plurality of second push plates (302) drive the baffle (53) to slide along the horizontal direction;
the structure of the first push plate (301) and the plurality of second push plates (302) is completely the same, and both the first push plate and the second push plates comprise:
a lower plate (33), the middle of the top of which is provided with a clamping groove (34);
the top of the upper plate (35) is rotatably connected with a shaft rod (36), the bottom of the upper plate is uniformly provided with a plurality of clamping blocks (37), two sides of the bottom of the upper plate (35) are rotatably connected with two inner end surfaces of the clamping grooves (34) through rotating shafts (38), the rotating shafts (38) penetrate through the clamping blocks (37) and are fixedly connected with the clamping blocks (37), and a torsion spring (39) is sleeved between every two adjacent clamping blocks (37);
the jacking device is used for jacking one end of the bottom of the box body (1) to change the serving angle;
and the controller (7) is arranged on one side of the box body (1) and is electrically connected with the angular displacement sensor (32).
2. The simulated ball serving device for volleyball training as claimed in claim 1, further comprising an annular limiting plate (8) fixedly arranged inside the ball serving barrel (2), wherein one side of the extrusion plate (20) abuts against one side of the limiting plate (8).
3. A simulated tee device for volleyball training according to claim 2, wherein the inner diameter of the limit plate (8) is smaller than the diameter of volleyball, and a shock absorbing plate is provided on the side of the limit plate (8) facing the squeeze plate (20).
4. The simulated ball serving device for volleyball training as claimed in claim 1, wherein the first push plate (301) is fixed on the top of the eccentric wheel (30) along a vertical direction, the plurality of second push plates (302) are circumferentially arranged on the side of the eccentric wheel (30) clockwise, and the angle formed by each two adjacent second push plates (302) and the center of the circle is gradually increased and then decreased.
5. A simulated tee apparatus for volleyball training as set forth in claim 1, wherein said jack-up means includes:
the clapboard (40) is fixedly arranged on the inner side wall of the cavity (3);
the lead screw (41) is rotatably arranged at the bottom of the partition plate (40), a sliding ring (42) is connected onto the lead screw (41) in a threaded manner, two arc-shaped connecting plates (43) are symmetrically and fixedly connected to the bottom of the sliding ring (42), and the bottoms of the two connecting plates (43) extend out of the box body (1) and are fixedly connected with a fixing plate (44);
the universal swivel (45) is fixedly arranged at the bottom of the fixing plate (44);
the sucking disc (46) is fixedly arranged at the bottom of the universal swivel (45);
and the first motor (47) is arranged at the top of the partition plate (40), is electrically connected with the controller (7) and is used for driving the lead screw (41) to rotate.
6. The simulated service apparatus for volleyball training as claimed in claim 1, further comprising a second motor (9) disposed outside the housing (1) and electrically connected to the controller (7) for driving the eccentric (30) to rotate.
7. A simulated service apparatus for volleyball training as claimed in claim 1, further comprising a plurality of rollers (10) disposed at the bottom of the housing (1), wherein a damper cylinder (100) is disposed between each roller (10) and the bottom of the housing (1).
8. A simulated ball serving device for volleyball training as claimed in claim 1, wherein the diameter of the serving barrel (2) is slightly larger than the diameter of a volleyball.
9. A simulated tee apparatus for volleyball training as claimed in claim 1, wherein the controller (7) includes a central processing unit and a memory device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111402146.5A CN113893512B (en) | 2021-11-19 | 2021-11-19 | Simulation ball serving device for volleyball training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111402146.5A CN113893512B (en) | 2021-11-19 | 2021-11-19 | Simulation ball serving device for volleyball training |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113893512A CN113893512A (en) | 2022-01-07 |
| CN113893512B true CN113893512B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111402146.5A Active CN113893512B (en) | 2021-11-19 | 2021-11-19 | Simulation ball serving device for volleyball training |
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| CN (1) | CN113893512B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734278Y (en) * | 2004-10-21 | 2005-10-19 | 林清云 | Table tennis service machine |
| WO2008056038A1 (en) * | 2006-11-07 | 2008-05-15 | Benguigui Stephane | Device for launching balls |
| CN109304022A (en) * | 2017-07-28 | 2019-02-05 | 周如彬 | A kind of manual table tennis ball serving device of easy mechanical gun shaped |
| CN110302522A (en) * | 2019-08-05 | 2019-10-08 | 洛阳师范学院 | A kind of sport Volleyball Teaching slam-shot toss equipment |
| CN211486478U (en) * | 2020-01-09 | 2020-09-15 | 刘松洋 | Multidirectional mechanical type service robot |
| CN113018815A (en) * | 2021-04-02 | 2021-06-25 | 南京工程学院 | Portable intelligent tennis ball serving machine |
-
2021
- 2021-11-19 CN CN202111402146.5A patent/CN113893512B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734278Y (en) * | 2004-10-21 | 2005-10-19 | 林清云 | Table tennis service machine |
| WO2008056038A1 (en) * | 2006-11-07 | 2008-05-15 | Benguigui Stephane | Device for launching balls |
| CN109304022A (en) * | 2017-07-28 | 2019-02-05 | 周如彬 | A kind of manual table tennis ball serving device of easy mechanical gun shaped |
| CN110302522A (en) * | 2019-08-05 | 2019-10-08 | 洛阳师范学院 | A kind of sport Volleyball Teaching slam-shot toss equipment |
| CN211486478U (en) * | 2020-01-09 | 2020-09-15 | 刘松洋 | Multidirectional mechanical type service robot |
| CN113018815A (en) * | 2021-04-02 | 2021-06-25 | 南京工程学院 | Portable intelligent tennis ball serving machine |
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| Publication number | Publication date |
|---|---|
| CN113893512A (en) | 2022-01-07 |
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