JP2006181329A - Stamping-on ball game practice machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stamping-on ball game practice machine, which can be filled with balls automatically, allows a person to continuously practice hitting without any help of another person and without being widely apart from a hitting position, and further does not use electric power. <P>SOLUTION: The person's stamping-on force is converted into a tension force of a spring by using a curved slope, and transmitted as a drive force to a ball throwing unit by a drive-force transmitting wire. The ball throwing unit is installed on a net with a ball collecting function, and balls can automatically be filled by a ball feeding mechanism. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a pitching device for baseball or softball, and more particularly to a device for performing basic practice.

  Ball game practice devices are mainly used for baseball and soft ball batting, and toss batting devices, knock devices, etc. are mainly used as basic exercise devices. These devices are generally operated by coaches with guidance, and the devices are refilled with pitches. However, since the coach cannot be used up, someone operates it and refills the pitch, so the practice with this device must be done with the help of others.

These devices mainly use electric power, but the place of use is outdoors to some extent, the wiring from the power source requires a long time, and it is troublesome in terms of management and facilities. . In addition, there is a battery type in the small size, and there is no troublesome wiring, but there are troubles in terms of restriction of use time, throwing power and maintenance, and it is troublesome because replenishment of balls must be put on the starter one by one It is.

  A tossbatting-type hitting practice machine was published, and a training machine that did not bother others and did not use power was patented. However, this is a method in which the pitching spring is manually tensioned, and the pitching force is weak, and it is necessary to move to the position of the batting after finishing the tensioning. I also use the stepping. Unlike the present invention, the foot is simply the purpose of pulling off the hook of the throwing arm. Wiring of power is not necessary, and the hands of others are not required, but replenishment of the ball and spring tension are troublesome, and it is troublesome to leave the position every time the ball is hit, and to fix the hitting home It is unsuitable.

JP 2001-286596 A

  Basic practice is generally uninteresting and the basics tend to be neglected, but basic practice in the growth period is said to have a significant impact on the future. Therefore, it is important that the basic training device is easy to attach, fun and can be practiced freely, except for the troublesomeness.

  In preparation, it takes a lot of time and effort to manage and maintain the wiring, replenishment of batteries, etc., and it does not use power that must be limited to the place of use. Therefore, it is necessary to give a pitching force to the pitching device by its own action or refill the pitching without leaving the position of the hitting ball as much as possible.

  Although the current devices are mostly for batting exercises, it is desirable to be able to perform basic exercises such as throwing and receiving as long as they are baseball or softball training devices. Such devices are entertaining and enjoyable. .

  The throwing device is driven by a power transmission cable that is placed near a batter and a wire is passed through a flexible outer sheath that does not expand and contract. Will be described. One end of the core wire 18 of the power transmission cable 2 is connected to the tension arm 24 for tensioning the pitching spring 21, and the other end is connected to the tension roller 14 provided on the footrest 1. The terminal of the outer cover 19 of the power transmission cable 2 is fixed to each main body at the retracting point of the core wire 18.

  A tread lot 12 is connected to the middle of a tread arm that supports the tread of the foot plate 10 of the foot platform 1, and a pulling roller 14 is attached to the tip. When the tread board 10 is stepped on, the tension roller 14 rolls on the curved slope, so the core wire 18 of the power transmission cable 2 attached to the tension roller 14 is pulled, The pitching spring 21 is stretched through the tension arm 24.

  The throwing hook 41 is rotated by the tension, and the other end is engaged with the driving arm of the slow speed device 27 for a required time to rotate slowly. When this engagement is disengaged, the throwing hook 41 is pushed off by the push-out projection 43, and the throwing arm 20 is turned and thrown after a predetermined time.

  In order to replenish the ball without leaving the hitting position, the basics of the hitting practice are as close to the net 4 as the tossbatching, and hit the ball so as not to be removed toward the center circle. I fall into the box. Therefore, the pitching device 3 is attached to the net 4 by the pitching device mounting bracket 29, and the pitching restoration of the pitching arm 20 is performed by the ball feeding piece 31 as shown in FIGS. 5 and 6 and the elastic lever 32 coupled thereto. Each time, it is dropped into the cup 30 at the tip of the throwing arm.

  To be able to practice throwing and receiving, you need to increase your throwing power. For this reason, the same pitching spring 21 and the same tension arm 24 are added, and tension arms 24 are further provided as many as the additional springs 21, and the tension arms 24 are rotated by a single depression. Each of them is provided with a selection hook, whereby the tension arm 24 is sequentially selected, and the pitching spring 21 is tensioned and fixed through the tension arm, and the springs are depressed in the same manner for all the springs. To be added.

  Since no power source is used, there is no need to lay the power supply wiring, and there is little trouble of management, maintenance, etc., so it can be started easily. In addition, the device is simple and lightweight, and it is easy to carry around, so you can carry it around and practice. Also, since it does not require a power source, you can take it to a camp and enjoy it as a playground equipment.

  Since the ball can be replenished automatically, you can keep practicing for a long time without leaving the position of the batting. Moreover, since it does not require the trouble of others, it can be practiced at any place at any time and is suitable for wearing a basic home.

  If the same pitching spring 21 and tension arm 24 are added to the pitching device, and the additional parts are stepped on in sequence, and the number of times the tensioning is applied, the ball game resembles a powerful batting machine without requiring a power source. It becomes an exercise device, and you can enjoy various exercises and a cat bowl with the net 4. It is also possible to play a game without a pitcher or ball trial.

  The structure in which the footrest 1 is placed near the batter and the throwing device is driven by the power transmission cable has already been described in the means for solving the problem. However, the spring has a characteristic that becomes gradually stronger as it is stretched. Yes, it is light at the beginning of the step, but it gets heavier, and children may not be able to step on the way. On the other hand, a curved surface slope 17 is provided, and a curved surface shape is formed in accordance with the characteristics of the spring 21 so that the stepping work is the same for all strokes. -14 is rolled, and the pitching spring 21 is stretched by the core wire -18 connected thereto.

  The loss of the power transmission cable 2 is large and is related to the length, the bending radius, and the tension. In order to reduce the loss of length, avoid the use of a general-purpose long power transmission cable 2 and use the one with the optimal length for the training event, and add it with a connector as necessary. For this purpose, the specifications of the power transmission cable 2 to be used are unified, and the shape of the core wire-18 terminal is 75 holes as shown in FIG. 7 and FIG. The lengths of the outer cover 19 and the core wire 18 and the shape of the terminal 76 of the outer cover are unified. Accordingly, the cross-sectional shape of the connection is as shown in FIG. 7, but when this is disassembled and shown in a perspective view, it is as shown in FIG. In a state in which it is not stepped on for connection, first, the hook shape is inserted into the hole shape, and the cover 71 is put together, and then it is completed. Since the influence of the loss due to the tension at the time of restoration is large, as a mitigation measure, the resistance component of the footrest is divided by the step restoration spring 13 and the resistance component of the power transmission cable 2 is divided by the restoration spring 33 and pulled back. To reduce the resistance. ,

  Although it is necessary for the batter to take some time to finish the home after stepping, this has already been described in terms of means for solving the problem, but as shown in FIG. The time until the engagement between the drive arm 49 of the device and the trip lever 28 is released is delayed. However, delicate assembly is required to create the point of disengagement by assembly. Also, changes are expected due to wear and deformation during use. An engagement adjusting device 40 that can adjust the mounting angle of the slow speed device 27 is provided, and fine adjustment can be made by taking a picture to obtain an optimum state. Also, the throwing hook has a large trip load, but this trip lever has a strong push-out performance due to its own projection, and one-step trip is performed by the trip lever 41 and the delay device drive arm 49. The disengagement results in a two-stage trip mechanism that performs strong and reliable tripping.

  An embodiment in which the same pitching spring 21 is added to increase the pitching force and this is added will be described with reference to FIG. The tension arm 24 in FIG. 1 is the tension drive shaft 90, and the operation by stepping on is the same as in FIG. 1, but the axis is not rotated and fixed forward or backward by stepping on. The tension drive arm 93 is fixed to this shaft by the number of added springs. Since the tension driving arm 93 receives a strong writing force, the tension driving arm 93 is composed of two pieces to sandwich the pitching spring 21 and is provided with a selection hook 91. If the sandwiched spring corresponds to the pitching order, the tension arm of this spring is arranged. The selection hook 91 is hung on the base 94, and the pitching spring 21 is tensioned. In the same manner, the added pitching springs 21 are finished. The operation of the selection hook 91 is performed by operating the hook transmission cable 96 so that the first spring is naturally applied and the next spring is applied when the next spring is tensioned, and the fixed hook 92 is naturally engaged as soon as it is all tensioned. .

  When the batter hits close to the net 4, the time from recognizing the pitching from the pitching device 3 to the batting becomes short, and the timing becomes difficult. For this measure, it is necessary to display a picture similar to the pitcher motion before the pitch. Since the delay from the completion of the stepping to the pitching is made by the engagement between the drive arm 49 of the speed reduction device 27 and the trip lever 28, the display can also be driven coaxially with the speed reduction drive arm 49. , Can tell the timing correctly. Accordingly, as shown in FIG. 4, the display is driven by the power transmission cable 36 from the coaxial arm 46 of the reduction gear, and the ball-shaped display board 5 is raised from the display window 38 of the outer cover 35. The position where the climb is finished is the time of pitching. When the pitching is completed, the display arm 46 is quickly restored to the original position by the display restoring spring 47 and the reverse free hook 48, and the delay display board 5 is also drawn into the case 35 from the display window 38 and returned to the home. There is no risk of damage by hitting the hit ball.

  The time from the end of the stepping to the pitching is determined by the time of engagement between the trip lever 28 and the drive arm 49 of the slow speed device 27. The slow speed device 27 converts the rotational force to air as shown in the figure. It is slowed by the frictional resistance of the wings. This is the same principle as the organ and is the same device. If this part is used as a slow speed device by removing the drive spring of the organ and attaching a reverse free hook, this production technology is high and the results are old, so the operation is stable and music is played. Because it is a performance, you can catch the timing with your ears. However, this throwing device is extremely vibrant and has measures for durability. As for durability, a device that emits a whistle sound by using the flow resistance of air can be considered although the pitching force is reduced.

  By the rotation of the throwing arm 20, the ball in the throwing cup 30 attached to the tip of course also rotates. However, when the throwing arm 20 hits the elastic buffer stopper 26, the cup 30 is stopped, but the ball Leaves the cup 30 due to inertia and flies in the direction of rotation. Since the cup 30 is hemispherical, the flight direction almost flies in the tangential direction of rotation at this time. Therefore, by adjusting the buffer stopper 26, the flying direction can be adjusted to fly higher.

  Since the buffer stopper 26 has elasticity, it prevents wear of the apparatus due to repeated repeated collisions, and also has a large rebound force when the throwing arm is restored. Therefore, together with the spring 33, the core wire of the power transmission cable 2 is used. 18 is useful for pulling back, pulling it back to its original position, rapidly pulling it into the outer cover and preventing it from hitting a ball that bounces back when hit.

  It is troublesome to leave the striking position one by one for refilling the ball, and it is not preferable to wear a home. The basics of the hitting practice are as close to the net 4 as in the case of tossbatching, and hit the ball so as not to be removed toward the center circle, so that most of the hit ball falls into the collecting box. Therefore, the pitching device 3 is attached to the net 4 by the pitching device mounting bracket 29, and a pitching arm is restored each time the pitching is restored by the ball feeding piece 31 as shown in FIGS. 5 and 6 and the elastic lever 32 coupled thereto. One by one is dropped into the cup 30 at the tip.

  In this case, adjusting the ball device adjusting leg 34 may change the conditions and make the pitching cup 30 to be refilled uncertain. For this reason, the mounting bracket 29 has the center of the throwing cup 30 as the center of mounting. Accordingly, the ball apparatus adjusting legs 34 can be refilled into the pitching cup 30 one by one without changing the conditions. In this case, since the replenishment by the ball feeding piece 31 is replenished one by one no matter how many are arranged on the starter as shown in FIG. 5, if the starter is lengthened, many replenishments can be made. If you accidentally hit the net, the ball on the starter will replenish.

  When the hitter is changed to a position close to the net 4, first, the stopper 16 is placed at the position where the depression is less, so that the tension arm 24 falls in the groove 23 of the spring hook 25 and the pitching force is weak. Since the pitching force is small and the hitting point is lowered, the buffer stopper 26 is advanced and the pitching is advanced in the direction of increasing. As a result, the hit point is the same, and the hit person can be brought closer to the net 4. In this case, the stepping amount that does not require changing the hitting point and the position of the buffer stop 26 are determined. Therefore, a foot operation lever is provided on the footrest 1 so that the stopper 16 can be set, and the tension arm If the necessary stopper is inserted into the fixed buffer stop 26 in conjunction with the track 24, the distance between the net 4 and the batter can be changed without leaving the position of the step platform 1.

FIG. 1 is a perspective view of the use of the apparatus.
FIG. 2 is a cross-sectional view of an embodiment of the footrest of the present invention.
FIG. 3 is a sectional view of an embodiment of the pitching device of the present invention.
FIG. 4 is a perspective view of an embodiment of the slow speed device and the delay display board driving device.
FIG. 5 is a sectional view of the ball feeding device.
FIG. 6 is a plan view of the ball feeder.
FIG. 7 is a sectional view of the power transmission cable connector.
FIG. 8 is an exploded perspective view of the power transmission cable connector.
FIG. 9 is a cross-sectional view of an embodiment of the spring additional pitching device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Footrest 2 Power transmission cable 3 Throwing device 4 Net with collection 5 Delay display board 10 Footboard 11 Footarm 12 Foot lot 13 Step restoration spring 14 Tension roller
15 Position of footboard at a close position 16 Footboard stopper
17 Curved Slope 18 Core Wire
19 Outer cover 20 Throwing arm 21 Throwing spring 22 Hook groove 23 at a distant position Hook groove 24 at a distant position 24 Tension arm 25 Spring hook 26 Cushion stopper 27 Slow speed device 28 Trip lever
29 Throwing device mounting bracket 30 Throwing cup 31 Ball feeding piece 32 Elastic lever
33 Restoring spring 34 Throwing device adjusting leg 35 Outer case 36 Display transmission cable 37 Replenishing ball 38 Display window 39 Strut 40 Engagement adjusting device 41 Throwing hook 42 Buffer spring 43 Pushing protrusion 44 Tripping lever attachment point 45 Air blade 46 Display arm 47 Display restoration spring 48 Reverse rotation free hook 49 Slow speed device drive arm 50 Ball feed piece restoration spring 71 Connection cover
74 Vertical stop piece 75 Hole stop piece 76 Outer terminal portion 90 Tension drive shaft 91 Selection hook 92 Fixed hook 93 Tension drive arm 94 Tension arm 95 Support base 96 Hook operation cable

Claims (3)

The core wire 18 at one end of the power transmission cable 2 is connected to the tension arm 24 that stretches the pitching spring 21 of the pitching device 3, and the other end is connected to the tension roller 14 provided on the footrest 1. The end of the outer sheath 19 is fixed to each main body at the lead-in point of the core wire 18, and the tension roller 14 at the tip of the step rod 12 connected to the stepping arm 11 by stepping on the stepping plate 10. Rolls on the curved slope 17, pulls the core wire 18 connected thereto, tensions the throwing spring 21,
A pitching hook 41 for tripping the pitching arm 20 is connected to a tripping lever 28 that is rotated by the tension of the pitching spring 21 around an attachment point 44 at one end, and the other end is a driving arm of the slow speed device 27. 49 is a stepping type ball game practice device that rotates slowly with the required time 49, rapidly rotates when the engagement is disengaged, and the push-out protrusion 43 presses and throws the throwing hook 41 to throw.   The pitching device mounting bracket 29 of the pitching device 3 is coupled to the net 4 with the pitching, and the pitched ball is collected by the ball feeding piece 31 and the elastic lever 32 attached thereto. The stepping-type ball game practice device according to claim 1, wherein the pitching cup is replenished with pitching.   The stepping type ball game practice device according to claim 1, wherein the same pitching spring 21 and the same tension arm 24 are added to the first aspect, and the additional portion is added according to the number of steps.

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