The basketball stands of a kind of backboard distance and angle adjustable
Technical field
The utility model relates to sports equipment field, is specifically related to the basketball stands of a kind of backboard distance and angle adjustable, for practising fixed point shooting.
Background technology
At present, basketball movement has become minority at home by one of numerous young man's favorite exercise, basketball stands for exercise of shooting often are fixed in place, basket support is with backboard and basketry and is fixedly connected with, the multiple shooting spot in the venue that needs to catch when exercise shooting carries out shooting exercise, shooting spot is different to the distance of basketry, simultaneously, during shooting, shooting spot is also different with the angle of backboard to the straight line of basketry, generally shooting person often needs in the venue the shooting spot of the different distance of transformed distances basketry and angle, in the venue back and forth run consume a part muscle power and lose time, be difficult to attempts in guarantor unit's time, the feel of shooting continuously may be affected.Therefore need a kind ofly to practise the higher basketball stands of efficiency of shooting, help sportsman and basket ball fan better to carry out shootaround.
Utility model content
Technical problem to be solved in the utility model is: for the defect existed in above-mentioned technology, the utility model proposes the basketball stands of a kind of backboard distance and angle adjustable, sportsman stand a certain position exercise shooting before these basketball stands time, sportsman can be allowed to feel in the face of basketry diverse location and different angles are shot, reduce the time and physical demands of running in place, improve the efficiency of exercise shooting.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
Basketball stands for backboard distance and angle adjustable, comprise base, basket support and backboard, the lower end of described basket support is fixedly connected with integral with the front portion of base, and the top forward fold of basket support becomes the spy arm of crossbeam shape, and described spy arm front end is provided with extensible canopy.The front end of described extensible canopy is hinged with backboard holder, and backboard holder can around the horizontal left-right rotation in the front end of extensible canopy, and the front end face of backboard holder is fixedly connected with integral with backboard, the bottom on front side of backboard is configured with basketry.
Preferably, the top of described spy arm is provided with servomotor, the turning cylinder lower end of servomotor is inserted spy arm internal fixtion and is connected with the first bevel gear, the front side of the first bevel gear is provided with second bevel gear suitable with it, screw rod is configured with in described extensible canopy, described screw rod screws in the rear portion of extensible canopy, and the rear end of screw rod is fixedly connected with the second bevel gear.
Preferably, described extensible canopy upper end is fixed with vertical multidiameter, and ladder axle sleeve has two pneumatic expansion links of level that can rotate around multidiameter one on the other, and the front end of two Pneumatic extension bars is hinged with the backboard back side respectively.
Preferably, the front end of a described Pneumatic extension bar is hinged on the left side of basketry, and the front end of another Pneumatic extension bar is hinged on the right side of basketry, and the axis of two Pneumatic extension bars is different surface beeline.
Preferably, the extensible canopy on front side of described multidiameter is fixed with the pneumatic controller for controlling the motor coordination of two Pneumatic extension bars.
Preferably, the rear end of described base is provided with ballast box.
By adopting preceding solution, Advantageous Effects of the present utility model is: these basketball stands can realize by the servomotor be arranged on above ball-collecting rack the extensible canopy be plugged in ball-collecting rack and drive backboard to realize stretching, stand and fix a point outward to shoot with basketry front end 3-point line, when backboard stretches out forward, Distance Shortened between scoring position and basketry, these basketball stands can simulate multiple distance basketry far and near different position shooting, and shooting person only need stand in original place.Simultaneously two Pneumatic extension bars are worked in coordination and can be realized backboard left-right rotation 0 ° to turning within the scope of 90 °, and shooting person stands in basket support dead ahead when shooting, and can simulate shooting angle multiple with backboard plane by backboard left and right turn.These basketball stands are by the flexible of backboard and turn to the shooting spot that can simulate multiple distance basketry different distance and angle, and shooting person only needs the front standing in basket support to carry out shooting, without the need to conversion scoring position of catching in the venue, reduce the time and physical demands of running in place, improve in the unit interval goal attempts of selling, efficiency is higher, and training effect can be better.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the basketball stands of a kind of backboard distance of the utility model and angle adjustable.
Fig. 2 is the structural principle schematic diagram that in Fig. 1, part A is amplified.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
Composition graphs 1 and Fig. 2, the basketball stands of a kind of backboard distance and angle adjustable, comprise base 1, basket support 2 and backboard 3, the rear end of described base 1 is provided with ballast box 4, the lower end of basket support 2 is fixedly connected with integral with the front portion of base 1, the top forward fold of basket support 2 becomes the spy arm 5 of crossbeam shape, and described spy arm 5 front end is provided with extensible canopy 6.The top of described spy arm 5 is provided with servomotor 7, the turning cylinder lower end of servomotor 7 is inserted spy arm 5 internal fixtion and is connected with the first bevel gear 8, the front side of the first bevel gear 8 is provided with second bevel gear 9 suitable with it, screw rod 10 is configured with in described extensible canopy 6, described screw rod 10 screws in the rear portion of extensible canopy 6, and the rear end of screw rod 10 is fixedly connected with the second bevel gear 9.
The front end of described extensible canopy 6 is hinged with backboard holder 11, and described backboard holder 11 is around the horizontal left-right rotation in the front end of extensible canopy 6, and the front end face of backboard holder 11 is fixedly connected with integral with backboard 3, and the bottom on front side of described backboard 3 is configured with basketry 12.Described extensible canopy 6 front end is fixed with vertical multidiameter 13, multidiameter 13 cover has two pneumatic expansion links of level that can rotate around multidiameter 13 one on the other, the front end of two Pneumatic extension bars is hinged with backboard 3 back side respectively, the front end of a described Pneumatic extension bar 14 is hinged on the left side of basketry 3, the front end of another Pneumatic extension bar 15 is hinged on the right side of basketry, and the axis of two Pneumatic extension bars is different surface beeline.Extensible canopy 6 on front side of described multidiameter 13 is fixed with the pneumatic controller 16 for controlling the motor coordination of two Pneumatic extension bars.
These basketball stands can realize being plugged on the extensible canopy 6 visited in arm 5 by the servomotor 7 be arranged on above spy arm 5 and drive backboard 3 to realize stretching, stand and fix a point outward to shoot with basketry 12 front end 3-point line, when backboard 3 stretches out forward, Distance Shortened between scoring position and basketry 12, these basketball stands can simulate multiple distance basketry 12 far and near different position shooting, and shooting person only need stand in original place.Pneumatic extension bar 14 and pneumatic expansion link 15 are worked in coordination and can be realized backboard 3 left-right rotation 0 ° to turning within the scope of 90 ° simultaneously, shooting person stands in basket support 2 dead ahead when shooting, and can simulate shooting angle multiple with the plane of backboard 3 by backboard 3 left and right turn.These basketball stands are by the flexible of backboard and turn to the shooting spot that can simulate multiple distance basketry different distance and angle, and shooting person only needs the front standing in basket support to carry out shooting, without the need to conversion scoring position of catching in the venue, reduce the time and physical demands of running in place, improve in the unit interval goal attempts of selling, efficiency is higher, and training effect can be better.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.