CN114053676B - Basketball sport is with returning football shirt of suitable instar nature - Google Patents
Basketball sport is with returning football shirt of suitable instar nature Download PDFInfo
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- CN114053676B CN114053676B CN202111443462.7A CN202111443462A CN114053676B CN 114053676 B CN114053676 B CN 114053676B CN 202111443462 A CN202111443462 A CN 202111443462A CN 114053676 B CN114053676 B CN 114053676B
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- plate
- guide rail
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- sliding
- 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
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
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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
- A63B69/0071—Training appliances or apparatus for special sports for basketball
Abstract
The invention discloses an adaptive basketball returning device for basketball sports, which comprises a bottom plate, wherein a ball guide rail, a lifting support frame, a door frame, a stressed push plate and a rectangular transverse cylinder are erected at the top of the bottom plate, a ball outlet guide rail is arranged on a rotating frame at the top of the lifting support frame, the ball guide rail and the ball outlet guide rail are arranged vertically, the bottom end of the ball guide rail is close to one side of the bottom end of the ball outlet guide rail, the bottom end of the ball outlet guide rail penetrates through the inner side of the door frame, the rectangular transverse cylinder is positioned on one side of the bottom end of the ball outlet guide rail, the stressed push plate is arranged on one side of the door frame close to the rectangular transverse cylinder, and a ball hitting rod is fixedly connected to one side of the stressed push plate. The basketball teaching device can be suitable for being used in basketball teaching activities of different ages, is high in applicability, stable in structure, low in production and purchase cost, use cost and maintenance cost, high in popularization, and capable of bringing convenience to basketball teaching lives of teachers and students and meeting use requirements of people in production and life.
Description
Technical Field
The invention relates to the technical field of physical education teaching equipment, in particular to an age-adaptive basketball return device under a basket for basketball sports.
Background
A standard basketball court would be a rectangle 28m x 15 m. The measurement of the field is measured from the inner edge of the boundary line, the measurement of each area, line and loop in the field is measured from the outer edge of the boundary line, and the width of each line on the field is 5 cm. The floor should be solid and flat, at least within 2m of the surroundings, without obstacles. The team mat area had 2 lines 2m long, the colour of which should differ significantly from the colour of the side and end lines.
The basketball stand, the distance between the post of the basketball stand and the outer edge of the end line is at least 1 m. The backboard should have a transverse width of 1.80m, a vertical height of 1.05m, and a lower edge 2.90m from the ground (a backboard with the original size of 1.80m × 1.20m can still be used). The bottom, edges and struts of the backboard should be properly wrapped. The upper edge of the basket ring is 3.05m away from the ground, and the diameter of a ring strip of the basket ring is 1.7-2 cm.
In-process at actual teaching, the in-process that supplementary basketball return device under basket was used in current basketball teaching is the student of different age bracket in the campus used of imparting knowledge to students, all be the bottom of installing at the basketball hoop, can settle the purse seine around the bottom of basketball hoop, make the basketball of within range in the in-process of whereabouts is gathered the storage ball section of thick bamboo or the guide rail of device, but the angle and the dynamics that the basketball was thrown back all can not be adjusted, and current device of throwing back all adopts electric drive, control through chip and rocker, the limitation of use is very big, and purchasing cost, use cost and cost of maintenance are all higher, can not satisfy people's user demand in the production life.
Disclosure of Invention
The invention aims to solve the problems of large limitation on use environment, high cost and inconvenience in use in the prior art, and provides an age-adaptive basketball return device for basketball sports.
In order to achieve the purpose, the invention adopts the following technical scheme:
an adaptive basketball returning device for basketball sports comprises a bottom plate, a ball guide rail, a lifting support frame, a portal frame, a stressed push plate and a rectangular transverse cylinder are erected at the top of the bottom plate, a ball outlet guide rail is erected on a top rotating frame of the lifting support frame, the ball guide rail and the ball outlet guide rail are perpendicular to each other, the bottom end of the ball guide rail is close to one side of the bottom end of the ball outlet guide rail, the bottom end of the ball outlet guide rail penetrates through the inner side of the portal frame, the rectangular transverse cylinder is located on one side of the bottom end of the ball outlet guide rail, the stressed push plate is arranged on one side, close to the rectangular transverse cylinder, of the portal frame, a ball hitting rod is fixedly connected to one side of the stressed push plate, an inclined sliding hole is formed in a door body of the portal frame, a rod body of the ball hitting rod penetrates through the inclined sliding hole in a sliding mode, a hammer rod is connected to the rectangular transverse cylinder in a sliding mode, one end of the hammer rod extends to the outer side of the rectangular transverse cylinder and is connected with one side of the stressed push plate in a contact mode, the other end inner wall fixedly connected with screw thread section of thick bamboo of the horizontal section of thick bamboo of rectangle, horizontal water level smooth sliding connection has the rectangle slider in the horizontal section of thick bamboo of rectangle, be provided with pressure boost spring between one side of rectangle slider and the hammer rod, the cover ring is installed to the opposite side of rectangle slider, the cover ring internal rotation is installed and is rotated the plectane, screw thread section of thick bamboo internal thread has passed threaded shaft, the one end of threaded shaft and the coaxial fixed connection in one side of rotating the plectane, the other end of threaded shaft is provided with the knob, the top side fixedly connected with atress stand of hammer rod, the top of the horizontal section of thick bamboo of rectangle has seted up a hole, the top of atress stand passes from the apical pore, the top side of bottom plate is provided with hammer rod pulling mechanism, hammer rod pulling mechanism is including setting up ratchet and the external pedal drive mechanism for on the bottom plate.
Preferably, the ratchet mechanism comprises a ratchet wheel, a driving tooth and a stopping claw which are rotatably installed on the bottom plate, a swing rod is fixedly connected to one side of the driving tooth, a pawl matched with the ratchet wheel is hinged to one end of the swing rod in a rotating mode, tension springs are arranged between the pawl, the stopping claw and the bottom plate, and a plurality of push arms capable of pushing the stressed stand column to slide are fixedly connected to the top side of the ratchet wheel in a diverging mode.
Preferably, the pedal transmission mechanism comprises a pedal base and a sliding seat fixedly connected to the top side of the bottom plate, the sliding seat is of a rectangular frame structure, a sliding toothed plate is horizontally and slidably mounted in the sliding seat, a toothed groove is formed in one side of the sliding toothed plate and is meshed and connected with the driving teeth, a reset tension spring is arranged between one end of the sliding toothed plate and the inner wall of the sliding seat, an inner steel wire is fixedly hung at the other end of the sliding toothed plate, a through hole is formed in one side of the sliding seat, the inner steel wire slides through the through hole, a mounting vertical plate, a guide pulley, a limiting column and a pedal plate are sequentially mounted at the top of the pedal base from left to right, through holes are formed in one side of the sliding seat and a plate body of the mounting vertical plate, two ends of the inner steel wire slide through the through holes, and one end of the inner steel wire passes through the bottom side of the guide pulley and is fixed with one end of the pedal plate, the outer side of the inner steel wire, which is positioned between the sliding seat and the mounting vertical plate, is sleeved with an outer wrapping layer.
Preferably, the two ends of the outer wrapping layer are respectively fixed with the sliding seat and one side of the mounting vertical plate, and the inner steel wire can be drawn in the outer wrapping layer.
Preferably, the outer side of the rod body of the ball hitting rod is fixedly sleeved with a ring block, and the ring block is located between the door frame and the stressed push plate.
Preferably, the inner wall of the rectangular transverse cylinder, the outer wall of the threaded cylinder and the rectangular sliding block are all rectangular structures.
Preferably, the top side plate body and the bottom side plate body of the sliding toothed plate are provided with concave sliding grooves, and the frame bodies on the two sides of the sliding seat respectively penetrate through the concave sliding grooves.
Preferably, a plurality of locking universal wheels are installed at the bottom of the bottom plate.
Compared with the prior art, the invention provides an age-adaptive basketball return device for basketball sports, which has the following beneficial effects:
1. the basketball shooting device can be suitable for being used in basketball teaching activities of different ages by changing the inclination of the shooting guide rail and matching with the change of the shooting force of the shooting rod on the basketball hammering, and has strong applicability;
2. the angle adjusting device disclosed by the invention can be used for quickly adjusting the angle completely through manual adjustment, has lower requirements on fields and electric power, is stable in structure, has lower production and purchase cost, use cost and maintenance cost, and is stronger in popularization;
3. the invention triggers the ball return to be output by pedaling, is more convenient to use, and has more teaching positions, so that the teaching activity is more efficient and smooth.
The basketball teaching device can be suitable for being used in basketball teaching activities of different ages, is high in applicability, stable in structure, low in production and purchase cost, use cost and maintenance cost, high in popularization, and capable of bringing convenience to basketball teaching lives of teachers and students and meeting use requirements of people in production and life.
Drawings
Fig. 1 is a schematic top view illustrating an adaptive basketball return device for basketball game according to the present invention;
fig. 2 is a schematic top view illustrating a portion of an adaptive basketball return apparatus for basketball game in accordance with the present invention;
fig. 3 is a schematic sectional view of the sliding tooth plate of the bottom ball returning device for an adaptive basketball game according to the present invention;
fig. 4 is a schematic sectional view of the footrest of the adaptive basketball return device for basketball game according to the present invention.
In the figure: the device comprises a bottom plate 1, a ball guide rail 2, a lifting support frame 3, a ball outlet guide rail 4, a door frame 5, a stressed push plate 6, a ball hitting rod 7, a rectangular transverse cylinder 8, a hammer rod 9, a threaded cylinder 10, a rectangular sliding block 11, a pressurizing spring 12, a ring baffle 13, a stressed upright post 14, a cover ring 15, a rotating circular plate 16, a threaded shaft 17, a ratchet wheel 18, driving teeth 19, a swing rod 20, a pawl 21, a stopping claw 22, a tension spring 23, a push arm 24, a sliding seat 25, a sliding toothed plate 26, a reset tension spring 27, an inner steel wire 28, an outer wrapping layer 29, a pedal base 30, a pedal plate 31, a guide pulley 32, an installation upright plate 33 and a limiting post 34.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-4, an adaptive basketball return device for basketball game comprises a bottom plate 1, a ball guide rail 2, a lifting support frame 3, a gantry 5, a force bearing push plate 6 and a rectangular cross tube 8, which are erected on the top of the bottom plate 1, the ball guide rail 2 and the ball bearing guide rail 4 are arranged vertically, the bottom end of the ball guide rail 2 is close to one side of the bottom end of the ball bearing guide rail 4, the bottom end of the ball bearing guide rail 4 passes through the inner side of the gantry 5, the rectangular cross tube 8 is arranged on one side of the bottom end of the ball bearing guide rail 4, the force bearing push plate 6 is arranged on one side of the gantry 5 close to the rectangular cross tube 8, a batting rod 7 is fixedly connected to one side of the force bearing push plate 6, a door body of the gantry 5 is provided with an inclined slide hole, a rod body of the batting rod 7 passes through the inclined slide hole, a batting rod 9 is connected in the rectangular cross tube 8 in a slide way, one end of the batting rod 9 extends to the outer side of the rectangular cross tube 8 and is connected with one side of the force bearing push plate 6 in a contact, the other end inner wall fixedly connected with screw section of thick bamboo 10 of the horizontal section of thick bamboo 8 of rectangle, horizontal water level smooth motion in the horizontal section of thick bamboo 8 of rectangle is connected with rectangle slider 11, be provided with pressure boost spring 12 between one side of rectangle slider 11 and hammer 9, cover ring 15 is installed to the opposite side of rectangle slider 11, cover ring 15 internal rotation is installed and is rotated plectane 16, screw section of thick bamboo 10 internal thread has passed threaded shaft 17, the one end of threaded shaft 17 and the coaxial fixed connection in one side of rotating plectane 16, the other end of threaded shaft 17 is provided with the knob, the top side fixedly connected with atress stand 14 of hammer 9, the bar hole has been seted up at the top of the horizontal section of thick bamboo 8 of rectangle, the top of atress stand 14 passes from the apical pore, the top side of bottom plate 1 is provided with hammer pull mechanism, hammer pull mechanism is including the ratchet mechanism and the external pedal drive mechanism for setting up on bottom plate 1.
In the embodiment, in the actual teaching activity, the device is moved to the bottom of a basketball stand with a purse net, the bottom of a closed ball at the bottom of the purse net is placed on the ball guide rail 2, the dropped basketball can be automatically arranged on the ball guide rail 2, the basketball sequentially performs position compensation under the action of gravity and enters the ball discharge guide rail 4, the hammer rod 9 hammers the stressed push plate 6 under the resilience force of the booster spring 12 and enables the basketball to be thrown out along the ball discharge guide rail 4, the height adjustment of the lifting support frame 3 is completed, the inclination adjustment of the ball discharge guide rail 4 can be completed, the change of the throwing force is completed by changing the initial compression amount of the booster spring 12, when the initial compression amount of the booster spring 12 is changed, the thrust generated by the rebound length of the booster spring 12 is different, and the speed obtained by the hammer rod 9 in the moving length is different, and the thrust on the basketball is changed accordingly.
Example two
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, the ratchet mechanism includes a ratchet wheel 18 rotatably mounted on the base plate 1, a driving tooth 19 and a backstop pawl 22, a swing link 20 is fixedly connected to one side of the driving tooth 19, one end of the swing link 20 is rotatably hinged to a pawl 21 matched with the ratchet wheel 18, tension springs 23 are respectively disposed between the pawl 21 and the backstop pawl 22 and the base plate 1, and a plurality of push arms 24 capable of pushing the stressed upright column 14 to slide are fixedly connected to the top side of the ratchet wheel 18 in a diverging manner.
In this embodiment, the ratchet 18 rotating intermittently and unidirectionally pushes the stressed upright post 14 through the pushing arm 24 on one side thereof, and the hammer rod 9 slides in the rectangular transverse cylinder 8, so that the pressurizing spring 12 has a certain compression amount, and after the pushing arm 24 is dislocated with the stressed upright post 14, the pressurizing spring 12 resets and rebounds, and the ratchet structure ensures unidirectional swing of the pushing arm 24.
EXAMPLE III
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, preferably, the pedal transmission mechanism includes a pedal base 30 and a sliding seat 25 fixedly connected to the top side of the bottom plate 1, the sliding seat 25 is a rectangular frame structure, a sliding toothed plate 26 is horizontally and slidably mounted in the sliding seat 25, one side of the sliding toothed plate 26 is provided with a toothed slot and is in meshed connection with the driving teeth 19, a return tension spring 27 is disposed between one end of the sliding toothed plate 26 and the inner wall of the sliding seat 25, the other end of the sliding toothed plate 26 is fixedly hung with an inner steel wire 28, one side of the sliding seat 25 is provided with a through hole, the inner steel wire 28 slides through the through hole, a mounting upright plate 33, a guide pulley 32, a limiting column 34 and a pedal plate 31 are sequentially mounted at the top of the pedal base 30 from left to right, both sides of the sliding seat 25 and the mounting upright plate 33 are provided with through holes, and both ends of the inner steel wire 28 slide through the through holes, one end of the inner steel wire 28 passes through the bottom side of the guide pulley 32 and is fixed with one end of the pedal 31, and the outer wrapping layer 29 is sleeved on the outer side of the inner steel wire 28, which is positioned between the sliding seat 25 and the mounting vertical plate 33, of the inner steel wire 28.
In this embodiment, in the in-process that actual basketball teaching was used, according to the teaching demand, select the teaching point in the basketball factory, and settle pedal base 30 in comfortable position, when needs are returned the ball, step on running-board 31, running-board 31 is at the pivoted in-process, it reciprocates the twitch in outer parcel layer 29 to drive interior copper wire 28, and drive sliding tooth plate 26 and carry out reciprocating sliding in sliding seat 25, sliding tooth plate 26 drives the reciprocal rotation of drive tooth 19 through the tooth's socket of one side, drive tooth 19 is in reciprocating rotation, through ratchet 18's intermittent unidirectional rotation in the ratchet, thereby realize going out the ball.
Example four
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, both ends of the outer wrapping 29 are fixed to one side of the sliding seat 25 and one side of the mounting upright plate 33, respectively, and the inner wire 28 can be drawn in the outer wrapping 29.
In this embodiment, the lengths of the inner steel wire 28 and the outer coating 29 can be selected according to the actual site.
EXAMPLE five
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, a ring stop 13 is fixedly sleeved on the outer side of the club body 7, and the ring stop 13 is located between the door frame 5 and the stressed push plate 6.
In this embodiment, the initial tilt of the shaft of the ball striking shaft 7 allows the return after the ball striking.
EXAMPLE six
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, the inner wall of the rectangular transverse cylinder 8, the outer wall of the threaded cylinder 10 and the rectangular slider 11 are all rectangular structures.
In this embodiment, the rectangular structure is used to make the pressurizing spring 12 stable when the compression amount of the pressurizing spring 12 is adjusted.
EXAMPLE seven
As shown in fig. 1 to 4, in this embodiment, basically the same as embodiment 1, preferably, the top and bottom side plates of the sliding tooth plate 26 are provided with concave sliding grooves, and the two side frame bodies of the sliding seat 25 respectively pass through the concave sliding grooves.
In this embodiment, the stability of the sliding tooth plate 26 during sliding is ensured.
Example eight
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, a plurality of locking universal wheels are mounted on the bottom of the bottom plate 1.
In this embodiment, the equipment is more convenient and fast when moving, and the mobility is stronger.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. An adaptive basketball returning device under basket for basketball sports comprises a bottom plate (1) and is characterized in that a ball guide rail (2), a lifting support frame (3), a portal frame (5), a stressed push plate (6) and a rectangular transverse cylinder (8) are erected at the top of the bottom plate (1), a ball outlet guide rail (4) is arranged on a rotating frame at the top of the lifting support frame (3), the ball guide rail (2) and the ball outlet guide rail (4) are perpendicular to each other, the bottom end of the ball guide rail (2) is close to one side of the bottom end of the ball outlet guide rail (4), the bottom end of the ball outlet guide rail (4) penetrates through the inner side of the portal frame (5), the rectangular transverse cylinder (8) is located on one side of the bottom end of the ball outlet guide rail (4), the stressed push plate (6) is arranged on one side of the portal frame (5) close to the rectangular transverse cylinder (8), and a ball hitting rod (7) is fixedly connected to one side of the stressed push plate (6), the door body of portal (5) has been seted up the slope slide opening, and the body of rod of batting pole (7) slides from the slope slide opening and passes, sliding connection has a hammer (9) in the horizontal section of thick bamboo of rectangle (8), the one end of hammer (9) extends to the outside of the horizontal section of thick bamboo of rectangle (8) and is connected with the one side contact of atress push pedal (6), the other end inner wall fixedly connected with screw thread section of thick bamboo (10) of the horizontal section of thick bamboo of rectangle (8), horizontal sliding connection of water has rectangle slider (11) in the rectangle, be provided with pressure boost spring (12) between one side of rectangle slider (11) and hammer (9), cover ring (15) is installed to the opposite side of rectangle slider (11), rotatory plectane (16) is installed to cover ring (15) internal rotation, screw thread section of thick bamboo (10) have passed screw thread axle (17), the one end of screw thread axle (17) and the coaxial fixed connection in one side of rotating plectane (16), the other end of the threaded shaft (17) is provided with a knob, the top side of the hammer rod (9) is fixedly connected with a stressed upright post (14), the top of the rectangular transverse cylinder (8) is provided with a strip hole, the top of the stressed upright post (14) penetrates through the top hole, the top side of the bottom plate (1) is provided with a hammer rod pulling mechanism, and the hammer rod pulling mechanism comprises a ratchet mechanism arranged on the bottom plate (1) and a pedal transmission mechanism for external driving;
the ratchet mechanism comprises a ratchet wheel (18), a driving tooth (19) and a stopping claw (22) which are rotatably installed on a bottom plate (1), a swing rod (20) is fixedly connected to one side of the driving tooth (19), one end of the swing rod (20) is rotatably hinged to a pawl (21) matched with the ratchet wheel (18), tension springs (23) are arranged between the pawl (21) and the stopping claw (22) and the bottom plate (1), a plurality of push arms (24) capable of pushing stressed columns (14) to slide are fixedly connected to the top side of the ratchet wheel (18) in a diverging mode, the pedal transmission mechanism comprises a pedal base (30) and a sliding seat (25) fixedly connected to the top side of the bottom plate (1), the sliding seat (25) is of a rectangular frame-shaped structure, a sliding toothed plate (26) is movably installed in the sliding seat (25) through water, a toothed groove is formed in one side of the sliding toothed plate (26) and is meshed with the driving tooth (19), a reset tension spring (27) is arranged between one end of the sliding tooth plate (26) and the inner wall of the sliding seat (25), an inner steel wire (28) is fixedly hung at the other end of the sliding tooth plate (26), a through hole is formed in one side of the sliding seat (25), the inner steel wire (28) slides and penetrates through the through hole, an installation vertical plate (33), a guide pulley (32), a limiting column (34) and a pedal plate (31) are sequentially installed at the top of the pedal base (30) from left to right, through holes are formed in one side of the sliding seat (25) and a plate body of the installation vertical plate (33), two ends of the inner steel wire (28) slide and penetrate through the through holes, one end of the inner steel wire (28) penetrates through the bottom side of the guide pulley (32) and is fixed with one end of the pedal plate (31), an outer wrapping layer (29) is sleeved on the outer side, located between the sliding seat (25) and the installation vertical plate (33), of the inner steel wire (28), the two ends of the outer wrapping layer (29) are fixed with one side of the sliding seat (25) and one side of the installation vertical plate (33) respectively, the inner steel wire (28) can be pulled in the outer wrapping layer (29), concave sliding grooves are formed in the top side and the bottom side plate body of the sliding toothed plate (26), and frame bodies on the two sides of the sliding seat (25) penetrate through the concave sliding grooves respectively.
2. The adaptive basketball return device for basketball games as claimed in claim 1, wherein said hitting shaft (7) is fixed with a ring (13) outside the hitting shaft, said ring (13) is located between the gantry (5) and the stressed push plate (6).
3. The adaptive basketball return apparatus for basketball game as claimed in claim 1, wherein the inner wall of the rectangular cross tube (8), the outer wall of the threaded tube (10) and the rectangular sliding block (11) are all rectangular structures.
4. The adaptive basketball return apparatus for basketball game as claimed in claim 1, wherein a plurality of locking universal wheels are installed on the bottom of said bottom plate (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443462.7A CN114053676B (en) | 2021-11-30 | 2021-11-30 | Basketball sport is with returning football shirt of suitable instar nature |
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| CN202111443462.7A CN114053676B (en) | 2021-11-30 | 2021-11-30 | Basketball sport is with returning football shirt of suitable instar nature |
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| CN114053676B true CN114053676B (en) | 2022-08-26 |
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| CN114849198B (en) * | 2022-06-02 | 2023-12-01 | 宿迁学院 | Lifting basketball training device convenient for basketball recovery |
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| US5769064A (en) * | 1995-05-08 | 1998-06-23 | Lu; Jian Gang | Elastic band powered ball projecting machine |
| US5676120A (en) * | 1995-07-31 | 1997-10-14 | Joseph; John Gibson | Mechanical throwing device |
| JP2001286596A (en) * | 2000-04-04 | 2001-10-16 | Kenichi Sumiyoshi | Toss batting type batting practice machine for baseball |
| CN2604208Y (en) * | 2002-11-25 | 2004-02-25 | 林秋源 | Service robot |
| JP2006181329A (en) * | 2004-12-27 | 2006-07-13 | Takeshi Sasayama | Stamping-on ball game practice machine |
| CN201006260Y (en) * | 2007-02-16 | 2008-01-16 | 王吉松 | Baseball and softball hitting exerciser |
| CN201150777Y (en) * | 2008-01-23 | 2008-11-19 | 戴奕光 | Pitching machine |
| CN201710930U (en) * | 2010-07-14 | 2011-01-19 | 王吉松 | Baseball and softball pitching machine |
| CN206777775U (en) * | 2017-03-03 | 2017-12-22 | 安徽科技学院 | A kind of volleyball smash assistant teaching aid |
| CN207738378U (en) * | 2017-11-17 | 2018-08-17 | 郑州大学 | A kind of foot-operated drive-type car scissor-like jack |
| CN111298417A (en) * | 2018-01-16 | 2020-06-19 | 丁武轩 | Basketball equipment of jettisoninging for sports teaching |
| CN108654048A (en) * | 2018-04-27 | 2018-10-16 | 傅源彬 | A kind of tennis ball hitting training ball serving device |
| CN109260681A (en) * | 2018-11-22 | 2019-01-25 | 杨玉军 | Ball serving device is used in a kind of teaching of volleyball training |
| CN109675277A (en) * | 2019-02-26 | 2019-04-26 | 烟台工程职业技术学院(烟台市技师学院) | A kind of sport fixed point shootaround teeing apparatus |
| CN110013660A (en) * | 2019-05-14 | 2019-07-16 | 沈阳体育学院 | Rugby hook positioning service robot |
| CN211486478U (en) * | 2020-01-09 | 2020-09-15 | 刘松洋 | Multidirectional mechanical type service robot |
| CN112370762A (en) * | 2020-11-16 | 2021-02-19 | 叶小申 | Basketball automatic collection service trainer |
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