阅读说明：本技术 排球发球训练用供球装置 (Ball supply device for volleyball service training ) 是由 黄新 殷晓丽 林楠楠 李悦宏 贾智丰 王浩 于 2020-07-20 设计创作，主要内容包括：本发明属于体育训练设备技术领域,具体涉及一种排球发球训练用供球装置,包括供球箱和行走小车,供球箱安装在行走小车上；供球箱包括存球腔、供球腔、弹簧腔、过渡腔和供球筒；供球筒端部设有取球开口,取球开口端部设有挡板,挡板顶端为圆弧形；供球腔上方设有滑板,滑板滑插在凹槽滑道上；弹簧腔内设有推板,推板与推杆连接,推杆穿过位于弹簧腔内壁上的轴套,推杆两侧设有弹簧,推杆端部设有拉杆,拉杆外侧设有U形挂杆,U形挂杆底端的插杆插装在横板的插孔内,横板与底板焊接,供球箱固定在底板上；供球腔、过渡腔和供球筒上开有长条孔。该供球装置移动方便,转动灵活,通过弹簧实现供球筒内排球的递进,保证了供球的连续性,便于移动。(The invention belongs to the technical field of physical training equipment, and particularly relates to a ball supply device for volleyball service training, which comprises a ball supply box and a walking trolley, wherein the ball supply box is arranged on the walking trolley; the ball supply box comprises a ball storage cavity, a ball supply cavity, a spring cavity, a transition cavity and a ball supply cylinder; the end part of the ball supply cylinder is provided with a ball taking opening, the end part of the ball taking opening is provided with a baffle, and the top end of the baffle is arc-shaped; a sliding plate is arranged above the ball supply cavity and is inserted on the groove slideway in a sliding manner; a push plate is arranged in the spring cavity and connected with a push rod, the push rod penetrates through a shaft sleeve positioned on the inner wall of the spring cavity, springs are arranged on two sides of the push rod, a pull rod is arranged at the end part of the push rod, a U-shaped hanging rod is arranged on the outer side of the pull rod, an insertion rod at the bottom end of the U-shaped hanging rod is inserted into an insertion hole of a transverse plate, the transverse plate is welded with the bottom plate, and the ball supply box; the ball supply cavity, the transition cavity and the ball supply cylinder are provided with strip holes. The ball supply device is convenient to move and flexible to rotate, the progressive of volleyballs in the ball supply barrel is realized through the spring, the continuity of ball supply is guaranteed, and the ball supply device is convenient to move.)

1. The utility model provides a volleyball service training is with supplying football shirt and putting which characterized in that: the ball supply device comprises a ball supply box (2) and a walking trolley (1), wherein the ball supply box (2) is arranged on the walking trolley (1); the ball supply box (2) comprises a ball storage cavity (27), a ball supply cavity (21), a spring cavity (30), a transition cavity (25) and a ball supply cylinder (24); a ball taking opening (23) is formed in the end of the ball supply barrel (24), a baffle plate (22) is arranged at the end of the ball taking opening (23), and the top end of the baffle plate (22) is arc-shaped; a sliding plate (29) is arranged above the ball supply cavity (21), and two sides of the sliding plate (29) are slidably inserted on the groove slideway (26) on the inner wall of the ball storage cavity (27); a push plate (37) is arranged in the spring cavity (30), the push plate (37) is connected with a push rod (36), the push rod (36) penetrates through a shaft sleeve (32) located on the inner wall of the spring cavity (30), springs (31) are arranged on two sides of the push rod (36), a pull rod (39) is arranged at the end part of the push rod (36), a U-shaped hanging rod (34) is arranged on the outer side of the pull rod (39), an insertion rod (33) at the bottom end of the U-shaped hanging rod (34) is inserted into an insertion hole of the transverse plate (35), the transverse plate (35) is welded with the bottom plate (38), and the ball box (2) is fixed on the bottom; the ball supply cavity (21), the transition cavity (25) and the ball supply cylinder (24) are provided with strip holes (28).

2. A ball supply device for volleyball service training according to claim 1, wherein: the walking trolley (1) comprises four universal wheels (13), a bottom plate (11) and a mounting frame (12), the universal wheels (13) are mounted at the bottom of the bottom plate (11), the mounting frame (12) is welded on the bottom plate (12), and mounting holes are formed in a mounting plate on the top end of the mounting frame (12).

3. A ball supply device for volleyball service training according to claim 1, wherein: the height of the ball supply cavity (21) is larger than the diameter of a volleyball and is smaller than 1.2 times of the diameter of the volleyball.

4. A ball supply device for volleyball service training according to claim 1, wherein: the length of the ball taking opening (23) is larger than the diameter of a volleyball and smaller than 1.3 times of the diameter of the volleyball, the height of the ball taking opening (23) is larger than the radius of the ball supply cylinder, the arc at the top end of the baffle (22) is consistent with the arc section of the volleyball, the distance from the end part of the arc to the end part of the ball taking opening (23) is larger than the diameter of the volleyball, and the end part of the arc is chamfered.

5. A ball supply device for volleyball service training according to claim 1, wherein: one end of the spring (23) is fixed on the push plate (37), and the other end of the spring is fixed on the inner wall of the spring cavity (30).

6. A ball supply device for volleyball service training according to claim 1, wherein: the end part of the sliding plate (29) is provided with a buckle used for drawing the sliding plate.

7. A ball supply device for service training as defined in claim 1, wherein: the bottom plate (38) is provided with a mounting hole, and the bottom plate (38) is mounted on the walking trolley (1) through a bolt.

The technical field is as follows:

the invention belongs to the technical field of sports training equipment, and particularly relates to a ball supply device for volleyball service training.

Background art:

when a volleyball player or volleyball enthusiast carries out service training, a plurality of volleyballs are usually put in a net bag to be used near a service area for service training. The volleyball in the string bag can not disperse and roll, but also can tile by a large scale near service training district, and the training person need bend over frequently to take the volleyball and carry out the service training, has influenced the service training. The net bag is inconvenient to move, needs to be carried or dragged to transfer, is neither beautiful nor professional, and influences the effect and quality of the service training. Therefore, it is necessary to design a special volleyball serving training ball supply device which is convenient to move and attractive and elegant.

The invention content is as follows:

the invention aims to provide the special volleyball serving training ball supply device which is convenient to move, attractive, elegant, convenient and practical, the ball supply device is convenient to move and flexible to rotate, the progress of volleyballs in the ball supply cylinder is realized through the spring, the continuity of ball supply is ensured, and the special volleyball serving training ball supply device is reasonable in design, professional, attractive, convenient to move and practical.

The technical scheme adopted by the invention is as follows: a ball supply device for volleyball service training comprises a ball supply box and a walking trolley, wherein the ball supply box is arranged on the walking trolley; the ball supply box comprises a ball storage cavity, a ball supply cavity, a spring cavity, a transition cavity and a ball supply cylinder; the end part of the ball supply barrel is provided with a ball taking opening, the end part of the ball taking opening is provided with a baffle, and the top end of the baffle is arc-shaped; a sliding plate is arranged above the ball supply cavity, and two sides of the sliding plate are laterally inserted on a groove slideway on the inner wall of the ball storage cavity; a push plate is arranged in the spring cavity and connected with a push rod, the push rod penetrates through a shaft sleeve on the inner wall of the spring cavity, springs are arranged on two sides of the push rod, a pull rod is arranged at the end part of the push rod, a U-shaped hanging rod is arranged on the outer side of the pull rod, an insertion rod at the bottom end of the U-shaped hanging rod is inserted into an insertion hole of a transverse plate, the transverse plate is welded with the bottom plate, and the ball supply box is fixed on; the ball supply cavity, the transition cavity and the ball supply cylinder are provided with strip holes.

Furthermore, the walking trolley comprises four universal wheels, a bottom plate and a mounting frame, the universal wheels are mounted at the bottom of the bottom plate, the mounting frame is welded on the bottom plate, and a mounting hole is formed in a mounting plate at the top end of the mounting frame.

Further, the height of the ball supply cavity is larger than the diameter of a volleyball and is smaller than 1.2 times of the diameter of the volleyball.

Further, the length of the ball taking opening is larger than the diameter of a volleyball and smaller than 1.3 times of the diameter of the volleyball, the height of the ball taking opening is larger than the radius of the ball supply cylinder, the arc at the top end of the baffle is consistent with the arc section of the volleyball, the distance from the end part of the arc to the end part of the ball taking opening is larger than the diameter of the volleyball, and the end part of the arc is chamfered.

Furthermore, one end of the spring is fixed on the push plate, and the other end of the spring is fixed on the inner wall of the spring cavity.

Furthermore, a buckle used for drawing the sliding plate is arranged at the end part of the sliding plate.

Furthermore, the bottom plate is provided with a mounting hole and is mounted on the walking trolley through a bolt.

Further, the transition chamber is funnel-shaped.

The invention has the beneficial effects that: the utility model provides a remove convenient and pleasing to the eye elegant dedicated volleyball service training and use confession ball device, this confession ball device removes conveniently, rotates in a flexible way, realizes the progressive of volleyball in the confession ball section of thick bamboo through the spring, has guaranteed the continuity of confession ball, reasonable in design, the specialty is pleasing to the eye, is convenient for remove, preparation low cost, convenient and practical.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural diagram of a ball supply box according to a first embodiment;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a right side view of fig. 3.

The specific implementation mode is as follows: