KR102351260B1 - Pitching machine of arm type - Google Patents

Abstract

The present invention relates to an arm type pitching machine which pitches a ball by rotating a pitching arm with a rotational force transmitted from a motor, wherein balls are easily supplied and pitching is performed by adjusting a pitching distance, height and speed of the ball, thereby enabling a user to practice baseball hitting. According to the present invention, the art type pitching machine comprises: a housing; a moving body moving the housing; a ball supply member installed on the upper part of the housing to supply a ball; a ball pitching member pitching the supplied ball; a tension control member provided on the upper part of a base of the moving body to control tension; a height adjusting member installed on the moving body to adjust the height of the base; and a control unit including a power-on/off switch and a timer to adjust a ball pitching time.

Description

Arm type pitching machine {Pitching machine of arm type}

The present invention relates to an arm-type pitching machine, and more particularly, to a pitching arm by rotating a pitching arm using a rotational force transmitted from a drive motor to pitch a ball, so that the ball can be easily supplied, the pitching distance of the ball, It relates to an arm-type pitching machine that allows you to practice hitting baseball by pitching by allowing the height and speed to be adjusted.

In general, as a ball pitching machine for baseball practice, a tire method and a pitching arm method are used in coexistence.

The above tire method is a method of throwing a ball by the friction force of the tire surface by putting a ball between two or three tires rotating at high speed. There was a problem that this did not go well.

On the other hand, the above-mentioned pitching arm method has the advantage of stably throwing the ball in a certain direction regardless of the climate by loading and throwing the ball on the rotating pitching arm by receiving the rotational force of the motor.

And, as a ball throwing machine using the pitching arm method, several have been produced and distributed in the past, but the pitching arm that vibrates after the pitching process or pitching is controlled only in the form of throwing a ball on a pitching arm that rotates uniformly. It can be said that it is unstable because it does not provide a structure to prevent vibration of the device or to prevent vibration of the device.

Therefore, in the prior art, as in Korean Patent Registration No. 10-0919371, it is possible to not only throw a ball stably without a complicated structure, but also to efficiently attenuate vibration generated by the rotation of the pitching arm, It can be seen that an arm pitching machine that can easily adjust the height of the impact point of a thrown ball by providing a height adjustment means at the rear of the frame is disclosed.

Also, as in Korean Patent Registration No. 10-1500274, it automatically adjusts the ball's impact point so that it can be freely adjusted. It can be seen that adjustable arm pitching is disclosed.

However, in the female pitching machines as described above, there is an inconvenient problem with respect to the change of position in use, since the machine is not equipped with any moving device and must always be fixed in a certain place to be used. The ball supply member that can store and supply a large amount of balls at one time was not provided, so there was a cumbersome problem that the user had to supply them one by one through the ball inlet. Therefore, there was a problem in that the user was unable to pitch at various distances and speeds due to the change in tension, and the user had no choice but to perform a monotonous batting practice.

[Prior art literature]

1. Korean Patent Publication No. 10-0919371

2. Korean Patent Publication No. 10-1500274

An object of the present invention to solve the above problems is to pitch the ball by rotating the pitching arm using the rotational force transmitted from the driving motor, but to freely move the pitching machine to the desired position to practice hitting. In addition, the pitching distance and speed of the ball can be controlled by allowing the ball to be supplied to the pitching arm easily and smoothly, and the rotation speed of the pitching arm can be adjusted through the tension spring when the ball is pitched. An object of the present invention is to provide an arm-type pitching machine that enables baseball batting practice.

According to an embodiment of the present invention for achieving the object as described above, the female-type pitching machine for pitching a ball but practicing hitting by allowing the pitching distance, height and speed to be adjusted includes a housing with an open upper portion; a movable body comprising a base installed in the lower part of the housing, four wheels installed in each of the front and rear edges of the base lower portion, and a first handle installed to protrude upwardly from one side of the base and moved by holding it by hand; A first pedestal having a ball supply port which supports and supports the plurality of balls and supplies the balls, and which is installed openly and openably, and a first rotational shaft rotated by a motor drive, so as to be rotatable through the central portion of the first pedestal A plurality of rotary blades installed to move the ball to the ball supply port during rotation, a ball movement path that is inclined downward to move the ball passing through the ball supply port, and the ball moved through the ball movement path a ball supply member comprising a ball seating portion to be seated and installed on the upper portion of the housing; A pitching arm that grips and pitches the ball in the ball seating part by rotating by a second rotation shaft connected to the first rotation shaft through a bevel gear, and one side is installed on the second rotation shaft and the other side is installed on the base of the movable body a ball pitching member formed of a tension spring which is tensioned and contracted according to the rotation of the second rotation shaft to control the rotation speed of the pitching arm; a tension control member installed so as to be coupled to the tension spring at the upper part of the base of the movable body and movably installed to the upper and lower parts to control the tension of the tension spring; a height adjusting member installed on the movable body to adjust the height of the base; And an on/off switch for supplying power to the motor, and by controlling the rotation speed of the motor, the rotation speed by the first rotation shaft and the second rotation shaft are adjusted, so that the ball pitching by the pitching arm It is configured to include; a control unit consisting of a timer that allows the time to be adjusted.

According to an embodiment of the present invention, the pitching arm is provided with a gripping portion for gripping the ball at an end thereof, and the gripping portion includes a receiving portion in which both sides are inclined downwardly inwardly and an accommodation hole in which the ball is seated is formed in the central portion; It is provided at the lower end of the receiving hole and consists of a movement preventing piece protruding outward to prevent the ball from rolling down.

According to an embodiment of the present invention, the tension control member is coupled to the tension spring, one side is provided with a handle that can be held and rotated in the vertical direction on one side, and the other side is a tension control member rotatably mounted to the base. A rod, a support bracket mounted on the base to rotatably support the tension control rod, and a plurality of fixing pins spaced apart from each other at predetermined intervals in the vertical direction are installed on the base to install the tension control rod It consists of a rotation control bracket that controls the rotation of

According to an embodiment of the present invention, the ball seat portion, the second support to prevent the ball moved through the ball movement path from falling down, and to prevent the ball from leaving the side and rear of the second support Doedoe made of a wall portion, the central portion of the second pedestal is provided with a gripping guide hole that is larger than the width of the pitch arm and smaller than the outer diameter of the ball.

According to an embodiment of the present invention, the height adjusting member is provided with a screw hole on the outside and a support piece mounted on the upper part of the base, and the outer side is made of a screw thread to move up and down in the vertical direction along the screw hole of the support piece It consists of a movement guide rod, a support scaffold installed at the lower end of the vertical movement guide rod to support the base so as to contact the floor, and a second handle installed at the upper end of the vertical movement guide rod to encourage vertical movement.

According to an embodiment of the present invention, the pitching arm and the tension spring of the ball pitching member are coupled to the second rotation shaft through a rotation guide plate, and the pitching arm is installed on the rotation guide plate with the rotation center as the center, and the tension The spring is installed under the rotation guide plate.

In the case of hitting practice using the female-type pitching machine according to the embodiment of the present invention as described above,

By having a moving device integrated with the pitching machine, it is possible to provide the convenience of allowing a user who wants to practice hitting to freely move the machine to a location where they want to practice hitting,

In addition, by making the ball supply member that can store and automatically supply a large amount of balls integrated with the machine, the supply of balls to the pitching arm can be made easy and smooth,

In addition, by allowing the tension and tension degree of the tension spring to be adjusted in multiple stages through the tension control member, the rotation speed of the pitching arm is adjusted when the ball is pitched, thereby providing the effect of adjusting the pitching distance and speed of the ball. .

1 is a perspective view of a female-type pitching machine according to an embodiment of the present invention.
Figure 2 is a perspective view of the ball supply member of the female-type pitching machine according to the embodiment of the present invention.
Figure 3 is a side perspective view of the ball supply member of the female-type pitching machine according to the embodiment of the present invention.
4 is a perspective view of a ball pitching member of a female-type pitching machine according to an embodiment of the present invention.
Figure 5 is a schematic view of the ball seating portion of the female-type pitching machine according to an embodiment of the present invention.
6A and 6B are perspective views of a tension control member of a female-type pitching machine according to an embodiment of the present invention.
7 is a view showing a state in which the base is adjusted upward by the operation of the height adjusting member in the female type pitching machine according to the embodiment of the present invention.
8A to 8E are views showing a use state of a female-type pitching machine according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of the female pitching machine according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a perspective view of a female-type pitching machine according to an embodiment of the present invention, Figure 2 is a perspective view of a ball supply member of the female-type pitching machine according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention A side perspective view of the ball supply member of the female type pitching machine according to Fig. 4 is a perspective view of the ball pitching member of the female type pitching machine according to the embodiment of the present invention, Figure 5 is an arm according to an embodiment of the present invention It is a schematic diagram of a ball seating part of a type pitching machine, FIGS. 6A and 6B are perspective views of a tension control member of a female type pitching machine according to an embodiment of the present invention, and FIG. 7 is a female type according to an embodiment of the present invention. It is a view showing a state in which the base is adjusted upward by the operation of the height adjusting member in the pitching machine, and FIGS. 8A to 8E are views showing the use state of the female-type pitching machine according to an embodiment of the present invention.

First, it should be noted that in the drawings, the same components or parts are denoted by the same reference numerals. In addition, in describing the present invention, detailed descriptions of related well-known functions or configurations will be omitted so as not to obscure the gist of the present invention.

Pitch the ball by rotating the pitching arm using the rotational force transmitted from the motor, but freely change the pitching and striking position to practice, and to make the supply of the ball easy, and the pitching distance of the ball , a female-type pitching machine according to an embodiment of the present invention, which allows you to practice hitting baseball by pitching by adjusting the height and speed, as shown in FIGS. 1 to 7, a housing 10, a movable body 20 , the ball supply member 30 , the ball pitching member 40 , the tension control member 50 , the height adjustment member 60 and the control unit 70 .

The housing 10 has an open top to accommodate the ball 1, and is moved to a desired position where the user can pitch through the movable body 20 described below.

As described above, the movable body 20 serves to move the housing 10 , and includes a base 21 , a wheel 23 , and a first handle 25 .

The base 21 is installed in the lower part of the housing 10 to movably support it through the wheels 23 .

On the other hand, the installation height of the base 21 is made through the height adjustment member 60 to be described later, which will be described later.

The four wheels 23 are installed on each of the front and rear edges of the lower part of the base 21 to guide the user's movement to a desired position according to the operation of the first handle 25 .

The first handle 25 is installed to protrude upward from one side of the base 21 so that a user can move the machine while holding it by hand.

As shown in FIGS. 2 and 3 , the ball supply member 30 is provided on the upper portion of the housing 10 to accommodate a large amount of balls 1 so that the balls 1 are transferred to the pitching arm 1 . As to be able to be supplied, it is composed of a first pedestal 31 , a rotary blade 33 , a ball movement path 35 , and a ball seating part 37 .

The first pedestal 31 is installed in the upper inner side of the housing 10 to support and support a plurality of balls 1 supplied from the outside, and includes a ball supply port 32 installed so as to be able to open and close the ball 1 ) to be supplied through the rotary blade 33 to the ball seat 37 that can be pitched.

The rotary blade 33 is installed in the central portion of the first pedestal 31 so as to be rotatable through the first rotary shaft 36 rotated by the motor 34 driving, so that the ball 1 is rotated through the ball supply port. (32) serves to move.

The ball movement path 35 is made to be inclined downward so that the ball 1 passing through the ball supply port 32 is automatically moved.

The ball seat 37 allows the ball 1 moved through the ball movement path 35 to be seated so that it can be pitched through the pitching arm 41 .

As shown in FIG. 5, the ball seat 37 includes a second support 37-1 that prevents the ball 1 moved through the ball movement path 35 from falling down, and the second It consists of a wall part 37-2 that prevents the ball 1 from leaving the side and rear of the pedestal 37-1, and the central part of the second pedestal 37-1 is smaller than the width of the pitch arm 41. A gripping guide hole 37-3 that is large and smaller than the outer diameter of the ball 1 is provided.

The supply of the ball 1 to the ball seating part 37 is made in the form of supplying the rotary blade 33 by the rotation of the first rotation shaft 36 and supplying it in a push-through type through the ball supply port 32, but , it is also possible to use a separate supply and blocking member (not shown) of the ball (1) provided in the ball moving path (35).

The ball pitching member 40 serves to hold and pitch the ball 1 in the ball seating part 37, and as shown in FIG. is done

The pitching arm 41 is rotated by the second rotation shaft 46 connected to the first rotation shaft 36 through the bevel gear 42 to grip and pitch the ball 1 in the ball seat 37 .

Here, the pitching arm 41 is provided with a grip portion 41-1 for gripping the ball 1 at the end, but the grip portion 41-1, both sides of which are inclined downward inward, the ball (1) in the center The receiving part 41-2 having the receiving hole 41-4 to be seated is provided at the lower end of the receiving hole 41-4 to prevent the ball 1 from rolling down to the outside to prevent falling. It consists of a protruding movement preventing piece (41-3).

One side of the tension spring 43 is installed on the second rotation shaft 46 and the other side is installed on the base 21 of the movable body 20 so that it is stretched and contracted according to the rotation of the second rotation shaft 46 to form a pitching arm 41 . ) to control the rotation speed.

The tension change due to the tension of the tension spring 43 is made through the tension control member 50 to be described next, and the pitching distance and speed of the ball 1 are varied according to the tension change.

And, as shown in FIG. 1, the pitching arm 41 and the tension spring 43 of the ball pitching member 40 are coupled to the second rotation shaft 46 through the rotation guide plate 45, and the rotation center portion With reference to 44 , the pitching arm 41 is installed on the upper portion of the rotation guide plate 45 , and the tension spring 43 is installed on the lower portion of the rotation guide plate 45 .

Accordingly, as shown in FIG. 8E , the rotational speed of the pitching arm 41 increases due to the force to contract as the tension spring 43 passes the maximum apex, and the gripping part 41-1 of the pitching arm 41 moves. The ball (1) being held is fired forward and pitched.

At this time, the pitching distance and speed by rotation of the pitching arm 41 are determined according to the tension of the tension spring 43 adjusted by the tension control member 50 .

As shown in FIGS. 6A and 6B, the tension control member 50 is installed to be coupled to the tension spring 43 at the upper portion of the base 21 of the movable body 20, and is installed to be movable up and down so that the second rotation shaft ( 46) serves to control the tension through tension and contraction of the tension spring 43 due to the rotation, and consists of a tension control rod 51, a support bracket 53, and a rotation control bracket 55.

The tension control rod 51 is coupled to the tension spring 43 , is provided with a handle 52 that can be held and rotated in the vertical direction on one side, and the other side is rotatably mounted on the base 21 .

Accordingly, when holding the handle 52 and lifting the tension control rod 51 upward as shown in FIG. 6A and fixing it using a fixing pin 54, the tension spring 43 by the rotation of the second rotation shaft 46 is reduced, thereby reducing the force by the tension applied to the pitching arm 41, thereby slowing the rotation and reducing the pitching distance and speed of the ball 1 .

On the contrary, when holding the handle 52 and lowering the tension control rod 51 as shown in FIG. 6B and fixing it using a fixing pin 54, the tension spring 43 by the rotation of the second rotation shaft 46 is The tension increases, thereby increasing the force due to the tension applied to the pitching arm 41 to increase the rotation, thereby increasing the pitching distance and speed of the ball 1 .

The support bracket 53 is mounted on the base 21 to rotatably support the tension control rod 51 .

The rotation control bracket 55 is provided with a plurality of fixing pins 54 spaced apart from each other at predetermined intervals in the vertical direction and installed on the base 21 to control the rotation of the tension control rod 51 . .

The fixing pins 54 provided in the rotation control bracket 55 are installed at intervals to prevent the tension control rod 51 from entering and exiting.

The height adjustment member 60 is installed on the movable body 20 and serves to adjust the height of the base 21 as shown in FIG. 7 , and includes a support piece 61 and a vertical movement guide rod 63 . , a support scaffold 65 and a second handle 67 .

The support piece 61 is mounted on the upper portion of the base 21 by having a screw hole 62 on the outside.

The vertical movement guide rod 63 has an outer side of a screw thread (not shown) and moves in the vertical direction along the screw hole 62 of the support piece 61 so that the base 21 moves up and down.

The support foot plate 65 is installed at the lower end of the vertical movement guide rod 63 so as to contact the floor, and serves to support the fixed base 21 so that it does not flow.

The second handle 67 is installed at the upper end of the vertical movement guide rod 63 to promote vertical movement, which allows the user to hold and rotate the handle by hand or by using a separate device.

The height adjustment member 60 can be installed in the front and rear of the base 21, and the pitching height of the ball 1 by the pitching arm 41 is adjusted by adjusting the installation height of the base 21 using it. do.

That is, when the base 21 is raised by adjusting the height adjusting member 60, the pitch arm 41 is also raised to increase the pitching height of the ball 1, and conversely, when the base 21 is lowered, the pitch arm 41 is raised. ) is lowered, so that the pitching height of the ball 1 is lowered, and it is possible to achieve an under-pitching shape.

The control unit 70 controls the on/off switch 71 for supplying power to the motor 34 and the rotation speed of the motor 34 to adjust the first rotation shaft 36 and the second rotational speed. It consists of a timer 73 that adjusts the rotation speed by the rotating shaft 46 to adjust the ball pitching time by the pitching arm 41 , and is installed on the outside of the housing 10 .

A state of use of the female-type pitching machine according to an embodiment of the present invention configured as described above will be briefly reviewed with reference to FIGS. 8A to 8E .

First, the housing 10 is moved to a place for pitching, and a plurality of balls 1 are filled in the ball supply member 30 provided on the upper part of the housing 10 .

At this time, as shown in FIG. 8A , the pitching arm 41 is parallel to the ball seat 37 to the right of the rotation center 44 .

Then, by turning on the switch 71 and manipulating the timer 73 to adjust the rotational speed of the motor 34, the rotational speed of the first rotational shaft 36 is adjusted.

At this time, the rotation speed of the first rotation shaft 36 is adjusted in response to the supply speed of the ball 1 by the rotation of the bevel gear 42 and the second rotation shaft 46 .

In general, the rotation speed of the first rotating shaft 36 is controlled so that the pitching time of the ball 1 can be in intervals of 5 seconds to 1 minute.

When the second rotary shaft 46 rotates, the rotary blade 33 rotates at the same time to send the ball 1 in the first pedestal 31 to the ball seat 37 through the ball supply port 32 .

At the same time, the pitching arm 41 of the ball pitching member 40 rotates as shown in FIGS. 8B and 8C and comes to the lower part of the second pedestal 37-1 of the ball seating part 37. As shown in FIGS.

Then, when the second rotation shaft 46 is further rotated, the pitching arm 41 grips the ball 1 through the gripper 41-1 and lifts it as shown in FIG. 8D .

Then, when the second rotation shaft 46 is further rotated, the tension spring 43 becomes the maximum tension, and the pitching arm 41 rotates to stand upright and receives the contracting force of the tension spring 43 at the same time.

That is, the rotational speed of the pitching arm 41 is increased by the force to contract as the tension spring 43 passes the maximum apex, and the ball 1 held by the gripper 41-1 of the pitching arm 41 is is to be pitched by firing forward as shown in FIG. 8e.

As described above, although the present invention has been described by way of limited embodiments, the present invention is not limited thereto, and the technical idea of the present invention and the Various modifications and variations are possible within the scope of equivalents of the claims.

1: Ball 10: Housing
20: mobile 21: base
23: wheel 25: first handle
30: ball supply member 31: first support
32: ball supply port 33: rotary blade
34: motor 35: ball movement path
36: first rotation shaft 37: ball seating part
37-1: second pedestal 37-2: wall part
37-3: grip guide
40: ball pitching member 41: pitching arm
41-1: holding part 41-2: receiving hole
41-3: movement prevention part 41-4: receiving part
42: bevel gear 43: tension spring
44: rotation center 45: rotation guide plate
46: second rotation shaft
50: tension control member 51: tension control bar
52: handle 53: support bracket
54: fixing pin 55: rotation control bracket
60: height adjustment member 61: support piece
62: screw hole 63: Shanghai Dong guide bar
65: support foot 67: second handle
70: control unit 71: switch
73: timer

Claims (6)

In an arm-type pitching machine that pitches the ball (1) but allows to control the pitching distance, height and speed to practice hitting,
housing 10 with an open top;
The base 21 installed in the lower part of the housing 10, the four wheels 23 installed in each of the front and rear edges of the lower part of the base 21, and the base 21 are installed to protrude upward from one side of the base 21, a movable body 20 comprising a first handle 25 for holding and moving;
A first pedestal 31 having a ball supply port 32 that supports and supports a plurality of the balls 1 and supplies the balls 1, which is installed to be openable and openable, and a motor 34 to rotate by driving A plurality of rotary blades 33 installed in the central portion of the first pedestal 31 so as to be rotatable through the first rotation shaft 36 to move the ball 1 to the ball supply port 32 during rotation; A ball movement path 35 that is inclined downward so that the ball 1 passing through the ball supply port 32 moves, and the ball 1 moved through the ball movement path 35 is seated a ball supply member 30 comprising a ball seating part 37 and installed on the housing 10;
A pitching arm 41 that grips and pitches the ball 1 in the ball seating part 37 by rotating by the second rotation shaft 46 connected to the first rotation shaft 36 through the bevel gear 42 and , one side is installed on the second rotating shaft (46) and the other side is installed on the base (21) of the movable body (20) so that it is stretched and contracted according to the rotation of the second rotating shaft (46) of the pitching arm (41). Ball pitching member 40 made of a tension spring 43 for controlling the rotation speed;
It is installed to be coupled with the tension spring 43 at the upper portion of the base 21 of the movable body 20 and is installed to be movable up and down to control the tension of the tension spring 43, but is coupled to the tension spring 43 and a handle 52 that can be held by hand and rotated in the vertical direction is provided on one side and a tension control bar 51 rotatably mounted on the base 21 on the other side, and is mounted on the base 21 A support bracket 53 for rotatably supporting the tension control bar 51 and a plurality of fixing pins 54 are provided to be spaced apart from each other at predetermined intervals in the vertical direction and installed on the upper portion of the base 21, a tension control member (50) comprising a rotation control bracket (55) for controlling the rotation of the tension control bar (51);
It is installed on the movable body 20 to adjust the height of the base 21, but the support piece 61 is provided with a screw hole 62 on the outside to be mounted on the upper part of the base 21, and the outside is threaded. A vertical movement guide rod 63 that moves in the vertical direction along the screw hole 62 of the support piece 61, and is installed at the lower end of the vertical movement guide rod 63 so as to contact the floor, so that the base 21 ); and
An on/off switch 71 for supplying power to the motor 34, and the first rotating shaft 36 and the second rotating shaft 46 by controlling the rotation speed of the motor 34 A control unit 70 comprising a timer 73 that adjusts the rotation speed by the pitching arm 41 to adjust the ball pitching time by the pitching arm 41; arm type pitching machine, characterized in that it is configured to include. The method according to claim 1, wherein the pitching arm (41) is provided with a grip portion (41-1) for gripping the ball (1) at an end, the grip portion (41-1), both sides are inclined downward inward, the central portion It is provided at the lower end of the receiving part 41-2 and the receiving hole 41-4 in which the receiving hole 41-4 in which the ball 1 is seated is formed, so that the ball 1 rolls down and falls. A female-type pitching machine, characterized in that it consists of a movement preventing piece (41-3) protruding outward to prevent a phenomenon.
delete The method according to claim 1, wherein the ball seating portion 37, the ball (1) moved through the ball movement path (35) to prevent the second pedestal (37-1) from falling down, and the second pedestal (37-1) is made of a wall portion 37-2 that prevents the ball 1 from escaping to the side and rear, and the central portion of the second pedestal 37-1 is the width of the pitching arm 41 Female-type pitching machine, characterized in that the grip guide hole (37-3) is larger than and smaller than the outer diameter of the ball (1). delete The method according to claim 1, The pitching arm (41) and the tension spring (43) of the ball pitching member (40) are coupled to the second rotation shaft (46) through the rotation guide plate (45), the rotation center portion (44) as the center As a result, the pitching arm (41) is installed on the upper portion of the rotation guide plate (45) and the tension spring (43) is installed on the lower portion of the rotation guide plate (45).

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