CN114053676A - 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 PDF

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Publication number
CN114053676A
CN114053676A CN202111443462.7A CN202111443462A CN114053676A CN 114053676 A CN114053676 A CN 114053676A CN 202111443462 A CN202111443462 A CN 202111443462A CN 114053676 A CN114053676 A CN 114053676A
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China
Prior art keywords
basketball
plate
guide rail
sliding
ball
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Granted
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CN202111443462.7A
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Chinese (zh)
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CN114053676B (en
Inventor
贾义政
李影
马建国
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN202111443462.7A priority Critical patent/CN114053676B/en
Publication of CN114053676A publication Critical patent/CN114053676A/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/40Stationarily-arranged devices for projecting balls or other bodies
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/0071Training 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

Basketball sport is with returning football shirt of suitable instar nature
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, edge and support 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 horizontal sliding hole in a sliding mode, a hitting rod is connected to the rectangular transverse cylinder in a sliding mode, one end of the hitting rod extends to the outer side of the rectangular transverse cylinder and is connected with one side of the stressed push plate in a contacting 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 sets up ratchet on the bottom plate and the external pedal drive mechanism for.
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, one end of the swing rod is rotatably hinged to a pawl matched with the ratchet wheel, tension springs are arranged between the pawl and the stopping claw and between the bottom plate and the ratchet wheel, and a plurality of pushing arms capable of pushing the stressed stand column to slide are fixedly connected in a diverging mode on the top side of the ratchet wheel.
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 pedal plate is sequentially mounted at the top of the pedal base from left to right, an upright plate, a guide pulley, a limiting column and the pedal plate are respectively provided with a through hole, two ends of the inner steel wire slide through the through holes, one end of the inner steel wire penetrates through the bottom side of the guide pulley and is fixed to 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 returning device for basketball sports comprises a bottom plate 1, a ball guide rail 2, a lifting support frame 3, a door frame 5, a stressed push plate 6 and a rectangular transverse cylinder 8 are erected at the top of the bottom plate 1, the ball guide rail 2 and the ball outlet 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 outlet guide rail 4, the bottom end of the ball outlet guide rail 4 passes through the inner side of the door frame 5, the rectangular transverse cylinder 8 is arranged at one side of the bottom end of the ball outlet guide rail 4, the stressed push plate 6 is arranged at one side of the door frame 5 close to the rectangular transverse cylinder 8, a ball hitting rod 7 is fixedly connected to one side of the stressed push plate 6, a door body of the door frame 5 is provided with an inclined sliding hole, a rod body of the ball hitting rod 7 passes through the horizontal sliding hole in a sliding manner, a hammer rod 9 is connected in a sliding manner in the rectangular transverse cylinder 8, one end of the hammer rod 9 extends to the outer side of the rectangular transverse cylinder 8 and is connected with one side of the stressed push plate 6 in a contact manner, the other end inner wall fixedly connected with screw thread section of thick bamboo 10 of the horizontal section of thick bamboo 8 of rectangle, horizontal water level in the horizontal section of thick bamboo 8 of rectangle is smooth to be 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 the plectane 16, screw thread section of thick bamboo 10 internal thread has passed threaded shaft 17, the coaxial fixed connection of one end and the one side of rotating plectane 16 of threaded shaft 17, 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 slotted 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 hole, the top side of bottom plate 1 is provided with hammer pole pulling mechanism, hammer pole pulling mechanism sets up ratchet and the external pedal drive mechanism for on bottom plate 1.
In the embodiment, in the actual teaching activity, the equipment 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 carries out position compensation under the action of gravity and enters the ball outlet guide rail 4, the hammering rod 9 hammers the stressed push plate 6 under the action of resilience of the booster spring 12, so that the basketball can be thrown out along the ball outlet guide rail 4, the height adjustment of the lifting support frame 3 is completed, the adjustment of the inclination of the ball outlet 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 of the same length of the booster spring 12 is different, and the speed obtained by the hammering rod 9 in the moving length is different, the thrust on the basketball is also changed.
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 pedal plate 31 is sequentially mounted on the top of the pedal base 30 from left to right, a vertical plate 33, a guide pulley 32, a limit column 34 and the pedal plate 31 are mounted, one side of the sliding seat 25 and the plate body of the vertical plate 33 are both 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, through the rectangle structure for when adjusting the compression capacity of pressure boost spring 12, pressure boost spring 12 can be comparatively stable all the time.
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, make equipment more convenient when removing, 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 (8)

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 horizontal 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 water sliding connection 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 is arranged on a ratchet mechanism on the bottom plate (1) and a pedal transmission mechanism for external driving.
2. The adaptive basketball return device for basketball movement according to claim 1, wherein the ratchet mechanism comprises a ratchet wheel (18) rotatably mounted on the bottom plate (1), a driving tooth (19) and a backstop pawl (22), 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 respectively arranged between the pawl (21) and the backstop pawl (22) and the bottom plate (1), and a plurality of push arms (24) capable of pushing the stressed stand column (14) to slide are radially and fixedly connected to the top side of the ratchet wheel (18).
3. The basketball exercise-purpose adaptive basketball return device under the basket according to claim 1, wherein 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 structure, a sliding toothed plate (26) is movably mounted in the sliding seat (25) horizontally, 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 arranged 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) penetrates through the through hole in the sliding manner, a pedal plate (31) is sequentially mounted at the top of the pedal base (30) from left to right, the steel wire fixing device is characterized in that the vertical plate (33), the guide pulleys (32), the limiting columns (34) and the pedal plate (31) are installed, a through hole is formed in one side of the sliding seat (25) and the plate body of the vertical plate (33), two ends of the inner steel wire (28) slide through the through hole, one end of the inner steel wire (28) penetrates through the bottom side of the guide pulleys (32) and is fixed with one end of the pedal plate (31), and the outer side of the inner steel wire (28) located between the sliding seat (25) and the vertical plate (33) is sleeved with the outer wrapping layer (29).
4. The adaptive basketball return apparatus for basketball game as claimed in claim 2, wherein both ends of the outer covering (29) are fixed to one side of the sliding seat (25) and the mounting vertical plate (33), respectively, and the inner wire (28) can be drawn in the outer covering (29).
5. The adaptive basketball return apparatus as claimed in claim 1, wherein the hitting shaft (7) is sleeved with a ring (13) outside the hitting shaft, and the ring (13) is located between the mast (5) and the stressed push plate (6).
6. 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.
7. The adaptive basketball return apparatus for basketball sports according to claim 3, wherein the top and bottom plates of the sliding toothed plate (26) are provided with concave sliding grooves, and the two side frames of the sliding seat (25) respectively pass through the concave sliding grooves.
8. 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).
CN202111443462.7A 2021-11-30 2021-11-30 Basketball sport is with returning football shirt of suitable instar nature Active CN114053676B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849198A (en) * 2022-06-02 2022-08-05 刘宇飞 Make things convenient for liftable formula basketball trainer that basketball was retrieved

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