JPH1119262A - Pitching training system, pitching board, front frame, and display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pitching training system, its pitching board, a front frame, and a display by which a pitcher efficiently trains pitching by himself, while confirming the position of the pitched ball. SOLUTION: A pitching training system 1 is constituted of a controller 15, a ball feeder 11 which stores a plurality of balls and delivers a prescribed number of balls at a time by a signal of the controller 15, a pitching board 5 which is erected at a prescribed distance from a pitching position 3, a front frame 13 which prevents the pitched balls from being collided with the frame of the pitching board 5, a scattering prevention net 7 which is stretched around for preventing the scattering of the pitched balls, a floor 4 which is inclined so as to collect the pitched balls at a prescribed part, a return ball machine 8 which carries the balls collected at the prescribed part of the floor 4 to the ball feeder 11, and a display 14 which displays the position, when the pitched ball hits a prescribed position of the pitching board 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pitching practice system for a pitcher to practice by pitching a pitcher at a predetermined distance from a pitching position toward a pitching board standing up front, and a pitching board for the pitcher. It relates to a frame and a display.

[0002]

2. Description of the Related Art Baseball and softball pitching practice is such that the pitcher and the catcher face each other at a predetermined distance, the catcher receives the ball thrown by the pitcher, and returns the ball to the pitcher. When the pitching practice is performed while judging the course through which the thrown ball has passed, the referee has to stand after the catcher, and the pitcher alone cannot practice the pitching freely.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the conventional pitching practice, and it is necessary to confirm the position of the ball thrown by the pitcher and to efficiently practice the pitching alone. It is an object of the present invention to obtain a pitching practice system and a pitching board, a front frame, and a display device.

[0004]

A pitching practice system according to the present invention includes a control device, a ball feeder which accommodates a plurality of balls and feeds a predetermined number of balls at a time by a signal from the control device, and a pitching position. A pitching board that stands up a predetermined distance, a front frame that prevents the thrown ball from hitting the frame of the pitching board, a scattering prevention net stretched to prevent the thrown ball from scattering, and a thrown ball When the ball hits the ball thrown at the ball receiving plate, and the ball thrown to the ball receiving device, the floor is inclined so that it gathers at the predetermined location, And a display for displaying the position of the receiving plate.

In the pitching board, a vertical frame provided with supporting portions at regular intervals on the back side is arranged in parallel at regular intervals, and a frame having fixed horizontal frames at both ends of the vertical frame is erected at a predetermined height. A horizontal frame is provided on the upper part of a substantially rectangular plate having a metal frame attached to the lower part of the machine frame, and the horizontal axis is pivotally supported by the above-mentioned support portion, and both ends of the plate are provided on the back side of the vertical frame. Provided with a ball receiving plate, a stopper that regulates the range in which the ball receiving plate moves backwards, and a sensor that detects that the ball receiving plate has moved backwards, and the front frame that protects the ball throwing board is It is characterized by being provided in front. The ball receiving plate is preferably made of a polycarbonate resin.

Further, the display device has a main lamp and a plurality of sub lamps respectively corresponding to a plurality of ball receiving plates arranged in a row at regular intervals on a pitching board, and a ball thrown at each ball receiving plate is hit. When the sensor senses the signal, the main lamp corresponding to the signal is turned on by the signal, and the same number of the sub lamps as the number of times detected by the sensor are provided.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically with reference to FIGS. In FIG. 1, a pitching practice system 1 is installed indoors and a pitching board 5 is provided on a floor 4 in front of a pitching position 3 provided on a floor 2 at a predetermined interval.
However, before that, the front frames 13 are respectively installed. The floor 4 is inclined so that the balls are gathered at a predetermined place, and is provided with an opening through which the balls gathered at one place go out of the floor 4. An edge is provided to prevent the falling of In addition, on floor 4,
Several nets 6 for preventing the ball from jumping out are stretched in front of the pitching board 5 at regular intervals so that the lower end thereof is in contact with the floor 4.

A scatter prevention net 7 for preventing the ball from escaping is provided so as to cover the left, right, upper and rear sides of the floor 4, and is provided to prevent the ball thrown by the thrower toward the pitching board 5 from being scattered. Have been. In FIG. 5, the return ball machine 8 is composed of an elevating unit 8a and a throwing unit 9, and the elevating unit 8a has a sprocket mounted on the upper and lower sides of a frame 8b.
A chain 8d provided with a plurality of generally U-shaped ball receivers 8c in a plan view and having a width smaller than the diameter of the ball while maintaining a constant interval is wound around the sprocket, and the tension sprocket attached to the frame 8b allows the chain 8d to move up and down. It is stretched so that it does not come off the sprocket. Further, the lower sprocket is provided with a sprocket on its shaft and the shaft of the motor 10, and when the motor 10 is driven by winding the chain around both sprockets, the chain 8d rotates,
Standing on the floor 2 adjacent to the outside of the scattering prevention net 7 so that the balls gathered at one place and coming out of the exit of the floor 4 are sequentially received by the ball receiver 8c and rise.

In FIGS. 1, 5 and 6, a ball feeding section 9 is provided with a funnel-shaped guide 9 at one end of a tube 9a through which the ball passes.
b, the guide 9b is supported so as to be positioned above the elevating portion 8a, and the other end of the pipe 9a is connected to the inlet side of the inclined pipe 11a of the ball feeder 11 located at a position lower than the guide 9b. The middle of 9a is supported by a support rod 12 fixed to the floor 2, and the entire pipe 9a is provided in a state inclined toward the ball feeder 11. The guide 9b has a notch large enough to allow the ball receiver 8c to pass through. When the chain 8d rotates to place the ball and the ball receiver 8c passes through the notch, the ball is cut into the notch. It cannot be passed, is transferred to the guide 9b, rolls in the pipe 9a, and reaches the ball feeder 11.

The ball feeder 11 has a body 11b in which an inclined tube 11a through which the ball passes is lowered at the ball outlet side.
The inclined tube 11a is provided at a predetermined interval in an inner portion of the main body 11b.
c and 11d. In the opening 11c or 11d, a vertical rod of a stopper 11h in which short vertical rods are erected at both ends of the horizontal rod penetrates.
Are supported by a support portion 11e provided at the bottom. Lower arm 11f
When one vertical rod penetrates according to the swing of the stopper 11h which swings like a seesaw by the solenoid 11g connected to the other, the other vertical frame comes off from the opening 11d,
Conversely, when the vertical rod is disengaged from the opening 11c, the other vertical rod penetrates the opening 11d to prevent the ball from rolling.

2 to 4, a pitching board 5 is provided with vertical frames 5b having supporting portions 5a, 5a,... A machine frame 5d in which a frame to which the frame 5c is fixed is erected at a predetermined height, and a substantially rectangular polycarbonate resin plate 5
e, a metal piece 5j is provided on the lower side, and a horizontal axis extending left and right is provided on the upper side.
a plurality of ball receiving plates 5g which are supported by elastic bodies 5f, 5f provided on the back side of the vertical frame and which are provided side by side at predetermined intervals in the vertical and horizontal directions, and which are supported by the plate 5e at both ends thereof in the hole a. A stopper 5h that regulates the range in which the plate 5g moves backward, and a sensor 5i that detects that the ball receiving plate has moved backward, are provided upright on the floor 4. It is preferable to display and identify different numbers, characters, symbols, pictures, and the like on each ball receiving plate 5g.

In FIG. 4, a vertical frame 13a is arranged in parallel with the vertical frame 5b of the pitching board 5 at the same constant interval as the front frame 13, and horizontal frames 13b are fixed to both ends of the vertical frame 13a. A horizontal frame 13c is arranged in parallel with the horizontal frame 13b and at the upper and lower positions of the ball receiving plate 5g, and the vertical frame 13a and the horizontal frame 1 are arranged.
3b, a frame 13d in which the horizontal frame 13c is framed in a grid shape, and the frame is erected at the same height as the frame of the pitching board 5, and a taper of the entire front surface of the frame is tapered forward. It is configured by attaching a V-shaped elastic body 13e. And it is arranged in front of the pitching board 5 and stands on the floor 4.

1 and 7, the display 14 has a main lamp 14a and a plurality of sub-lamps 14b respectively corresponding to a plurality of ball receiving plates 5g provided in parallel on the pitching board 5 at regular intervals in the vertical and horizontal directions. The main lamp 14a and the plurality of sub lamps 14b are connected to a shift register 14c,
The ball thrown at each ball receiving plate 5g hits the sensor 5i.
Senses this and the signal 14d is shifted to the shift register 14c.
Is sent, the corresponding main lamp 14a is turned on, and the same number of sub lamps 14b as the number of times detected by the sensor 5i are turned on, indicating how many times the ball thrown on the same receiving plate 5g is hit. When the reset signal 14e is sent to the shift register 14c by pressing the button of the controller 15, all the main lamps 14a and the plurality of sub lamps 14b are turned off. The control device 15 has operation buttons arranged on the upper part of the main body and is erected on the floor 2. Each sensor 5i of the pitching board 5 and the motor 1 of the ball returning machine 8
0, the solenoid 11g of the ball feeder and the main lamp 14a and the sub lamp 14b of the display 14 are connected by electric wires, and control is performed so that these are operated as predetermined.

Next, the operation of the pitching practice system when performing pitching practice will be described. When the power of the pitching practice system 1 is turned on and the pitcher presses the operation button of the control device 15, the solenoid 11g of the ball feeder 11 is operated, the stopper 11h is tilted in the opposite direction, and the vertical rod inserted in the opening 11c. Is retracted, and at the same time, the other vertical rod is inserted into the opening 11d. When a predetermined number of balls between the left and right vertical rods fall from the outlet side of the inclined tube 11a and are accommodated in the basket, the solenoid 11g returns to the original state, and the vertical rod inserted into the opening 11d. The ball stopped at the position moves to the position of the vertical rod inserted into the opening 11c and stops.

The pitcher receives the ball in a basket or the like, places it near the pitching position 3, takes out the ball, and sequentially pitches the ball toward the pitching board 5 in front of the pitching position 3. When the ball hits one of the ball receiving plates 5g, and the ball receiving plate 5g swings backward by a predetermined angle and the metal piece 5j passes in front of the sensor 5i, the sensor 5i senses the signal and sends a signal to respond. Main lamp 14a of display 14
And one sub lamp 14b is turned on at the same time. If the ball hits the same receiving plate 5g many times, the number of lighting of the auxiliary lamp 14b increases each time the ball hits, and the same number of auxiliary lamps 14b as the number of hits of the ball are turned on. You can know which position and how many times you hit.

When the thrown ball hits the net 6 and the scattering prevention net 7 and falls on the floor 4, the ball rolls on the inclined floor 4 and is collected at a predetermined place, and exits the scattering prevention net 7 from the exit. The balls are sequentially caught and lifted by a ball receiver 8c of a chain 8d rotated by a motor 10, and are transferred from the elevating unit 8a to the ball sending unit 9, where they roll and return to the ball feeder 11 to be inclined. It is stored after being connected after the balls arranged in 11a. When the button of the control device 15 is pressed, a reset signal 14 is stored in the shift register.
d shows all the main lamps 14 of the display 14
a, the sub lamp 14b is turned off at the same time, and the ball feeder 11
Then, a predetermined number of balls come out, and the next pitching practice can be started.

[0017]

According to the present invention, it is possible to calm down and efficiently practice pitching while checking the position of the thrown ball at any time alone.

[Brief description of the drawings]

FIG. 1 is a perspective view of a pitching practice system.

FIG. 2 is a perspective view of a pitching board.

FIG. 3 is a perspective view of a main part of the back surface of the pitching board.

FIG. 4 is a perspective view of a front frame.

FIG. 5 is a side view of the ball returning machine.

FIG. 6 is a sectional view of a ball feeder.

FIG. 7 is a control block diagram of a lamp of the display device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Throwing system 2, 4 floors 5 Throwing board 6 Net 7 Shatter prevention net 8 Returning machine 11 Ball feeder 13 Front frame 14 Display 15 Control device

Claims (6)

[Claims] 1. A control device, a ball feeder for accommodating a plurality of balls and feeding a predetermined number of balls at a time by a signal from the control device, and a pitching board standing upright at a predetermined distance from a pitching position And, the front frame that prevents the thrown ball from hitting the frame of the throwing board, the scattering prevention net stretched so as to prevent the thrown ball from dissipating, and the inclination so that the thrown ball gathers in a predetermined place When the hit ball hits the floor, the ball return machine that transfers the balls collected at a predetermined place on the floor to the ball feeder, and the ball thrown on the ball receiving plate,
A pitching practice system comprising a display for displaying the position of the ball receiving plate. 2. The ball receiving plate of a pitching practice system, wherein the ball receiving plate has a horizontal axis provided on an upper portion of the plate and the horizontal axis is pivotally supported on a pitching board. 3. The pitching board has a vertical frame provided with supporting portions at regular intervals on the back side thereof arranged in parallel at regular intervals, and a frame set having horizontal frames fixed to both ends of the vertical frame at a predetermined height. A horizontal axis is provided on the upper part of a substantially square plate with a metal frame attached to the lower part of the machine frame, and the horizontal axis is supported by the above-mentioned support part, and both ends of the plate are provided on the back side of the vertical frame. A pitching practice system comprising a ball receiving plate supported by the body, a stopper for regulating the range in which the ball receiving plate moves backward, and a sensor for sensing that the ball receiving plate has moved backwards. board. 4. The pitching board of the pitching practice system according to claim 3, wherein the front frame is provided in front of the pitching board. 5. The pitching board of the pitching practice system according to claim 2, wherein the ball receiving plate is made of a polycarbonate resin. 6. The display device includes a main lamp and a plurality of auxiliary lamps respectively corresponding to a plurality of ball receiving plates arranged in a row at regular intervals on a pitching board, and a ball thrown on each ball receiving plate is provided. When the hit sensor senses the signal, the corresponding main lamp is turned on and the sub lamp is turned on by the signal, and the number of lights is provided to increase according to the number of times detected by the sensor. Display of pitching practice system.