JPH0719487Y2 - Baseball practice protection net for pitchers - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial field of application] This device is used in baseball practice.
When a batter hits a ball thrown by a pitcher, the present invention relates to a protection net that prevents the hit ball from facing the pitcher and protects the pitcher.

[0002]

2. Description of the Related Art A pitcher's protective net normally comprises a main net covering the pitcher from the front side and a sub-net connected to the outside from one of the left and right sides of the lower part of the main net when viewed from the front. ing. In this case, the outer side of the upper side of the main net on the same side is an open space opened toward the batter side. Then, when viewed from the front, the pitcher puts only the tip of the arm into the open space and throws the ball toward the batter. After the pitching, the pitcher is positioned behind the protective net, so that the hitting ball after the pitching is prevented from facing the pitcher by the protection net, and thus the pitcher is protected. In the above case, the height of the upper edge of the secondary net in the protective net is sufficient for tall persons such as adults to protect from hitting balls, and the desired pitch can be achieved without being obstructed by the upper edge of the secondary net. It is specified that the form can be taken.

[0003]

[Problems to be Solved by the Invention] By the way, recently, youth baseball and the like are very popular, and children have come to use the above protective net. However, for children who are shorter than adults, the conventional technique has a problem that the upper edge position of the sub net is too high, and therefore a desired pitching form cannot be achieved.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to allow pitchers with different heights, such as adults and children, to use a single protective net.

[0005]

The features of this invention for achieving the above-mentioned object are that a main net that covers the pitcher from its front side in front view and one side from the left and right sides below the main net. In the protection net for pitchers for baseball practice, which is provided with the sub net continuously connected to the sub net, the upper edge position of the sub net can be changed up and down.

[0006]

[Operation] The operation of the above configuration is as follows. In a front view, a protective net for a pitcher for baseball practice, which includes a main net 2 that covers the pitcher from the front side thereof, and a sub net 3 that is continuously provided from one side of the lower side of the main net 2 to the outside,
The positions of the upper edges 10, 16a, 16b of the sub net 3 can be changed up and down. Therefore, in the front view shown in FIG. 1, when the pitcher attempts to pitch by throwing only the tip of the arm into the open space 33 on the outer side of the upper side of the main net 2 above, the pitcher is The positions of the upper end edges 10, 16a, 16b of the sub net 3 may be changed to upper and lower desired positions so that the desired pitching form can be sufficiently protected. Therefore, the protection net 1 can be used for both pitchers with different heights such as adults and children.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. Example 1 FIGS. 1 to 6 show Example 1. In the figure, reference numeral 1 is a protection net, and in the front view shown in FIG. 1, the main net 2 covering the pitcher from the front side (batter side) and the left side of the lower part of the main net 2 (hereinafter, left and right refer to FIG. 1). All the directions) and a sub net 3 which is continuously provided on the left side. The main net 2 includes vertically oriented left and right main frames 4 and 5, and upper and lower main frames 6 and 7 connecting these ends.
The main net body 8 is stretched over the main frames 4, 5, 6, and 7.

The sub net 3 has a fixed net 9. The fixed net 9 extends to the left side from the upper and lower middle portions of the left main frame 4 and the left side of the lower main frame 7 from the left end thereof. A lower sub-frame 11 extending in the vertical direction, a vertically oriented left sub-frame 12 connecting the left ends of the upper and lower sub-frames 10, 11 with each other, the lower part of the left main frame 4 and the sub-frames 10, 11, 12 as a whole. And a sub net body 13 that is stretched. Further, the sub net 3 has an auxiliary net 15, and the auxiliary net 15 is composed of a rectangular auxiliary frame 16 which is long in the left and right and an auxiliary net body 17 which is entirely stretched on the auxiliary frame 16. The auxiliary net 15 is attached to the upper sub-frame 10.

The right main frame 5 and the left sub-frame 12
Legs 18 and 19 of the same shape and size are detachably attached to respective lower end portions of the bolts 20 by bolts 20.
The protection net 1 is held in an independent state by 19. The above frames and legs are made of pipe material having a circular cross section. In addition, each net body is formed by a string made of nylon or the like and has flexibility.

In particular, in FIG. 3, each frame is provided with a disassembleable portion 21 at an appropriate position. This decomposable part 2
1, the frame is divided, and each division end 22,
A support shaft 24 is welded to one of the divided ends 22 of 23,
This support shaft 24 is fitted into the other split end 23 and screwed by a wing bolt 25, whereby each split end 2
2 and 23 are detachably fixed to each other. The left and right parts of the upper sub-frame 10 are provided with the disassemblable parts 21 and 21. When the butterfly bolts 25 and 25 are loosened, the left and right midway parts 10a of the sub-frame 10 rotate around their axes. It is possible. And, in the middle part 10a,
The auxiliary net 15 is attached to the auxiliary net 1.
Reference numeral 5 is vertically rotatable along with the rotation of the midway portion 10a.

A locking tool 27 is provided for locking the auxiliary net 15 in each rotation posture to the left main frame 4 when the auxiliary net 15 is rotated up and down. The locking tool 27 is a locking pin 28 which is provided so as to be able to move forward and backward from the right side portion of the auxiliary frame 16 toward the right side.
And the spring 2 for urging the locking pin 28 toward the right side.
9 and the upper and lower locking holes 3 formed in the left main frame 4
It is composed of 0 and 31.

As shown by the solid lines in FIGS. 1, 2, 4 and 5, if the auxiliary net 15 is rotated upward and the locking pin 28 is fitted into the upper locking hole 30, the above-mentioned is achieved. The auxiliary net 15 is held in the upward rotation posture. On the other hand, the spring 2
9, the locking pin 28 is retracted and separated from the upper locking hole 30, and then the auxiliary net 15 is rotated downward as shown by the phantom line in the same drawing. When the auxiliary net 15 is fitted into the lower locking hole 31, the auxiliary net 15 is held in the downward rotation posture. In this case, the auxiliary net 15 pushes the sub net body 13 to some extent and is housed in the frame of the frame forming the fixed net 9.

When the auxiliary net 15 is turned upward as described above, the turning end 16a of the auxiliary frame 16 of the auxiliary net 15 is the upper edge of the sub net 3, and the auxiliary net 15 is turned downward. In this case, the upper sub-frame 10 becomes the upper edge of the sub-net 3. That is, the upper edge position of the sub net 3 can be vertically changed by vertically rotating the auxiliary net 15.

Then, in the front view shown in FIG. 1, the pitcher has his arms only ahead and the open space 3 on the left side above the main net 2.
When attempting to throw the ball out to the third position, the auxiliary net 15 is rotated upward or downward so that the pitcher is sufficiently protected from the hit ball and the desired pitching form can be obtained. The upper edge position is changed to the desired vertical position. In this way, the protection net 1 can be used for both pitchers having different heights such as adults and children.

The locking member 27 may be a string, and the auxiliary frame 16 rotated up and down may be replaced with the locking device 2.
The auxiliary net 15 may be tied to the left main frame 4 at 7 to hold the auxiliary net 15 in the upper and lower rotating postures. The auxiliary net 15 may be pivotally supported on the upper sub-frame 10 so as to be vertically rotatable by a pair of left and right hinges. Furthermore, the protection net 1
Is for right-handed pitchers, but this protective net 1
Can be used as a left-handed pitcher by reversing the front and back

The following figures show other embodiments. It should be noted that configurations and operations common to each of these embodiments and the above-described first embodiment are denoted by common reference numerals in the drawings, redundant description will be omitted, and different parts will be described.

(Second Embodiment) FIG. 6 shows a second embodiment. According to this, a pair of left and right support holes 35, 35 are formed in the upper sub-frame 10. On the other hand, a pair of left and right support pins 36, 36 are provided at the lower end of the auxiliary frame 16 so as to project. Then, if the support pins 36, 36 are fitted into the support holes 35, 35,
As shown by the solid line in FIG. 6, the auxiliary net 1 is mounted on the fixed net 9.
5 are set upright. The auxiliary net 15
When this is erected on the fixed net 9, this auxiliary net 1
The upper edge 16 b of the auxiliary frame 16 of No. 5 is the upper edge of the sub net 3. On the other hand, as shown by phantom lines in FIG. 6, the support pins 36, 36 are extracted from the support holes 35, 35,
When the auxiliary net 15 is removed, the upper sub-frame 10 becomes the upper edge of the sub-net 3.

(Third Embodiment) FIG. 7 shows a third embodiment. According to this, the right end of the upper sub-frame 10 is fitted onto the left main frame 4 so as to be vertically slidable, and the butterfly bolt 38 is screwed to the right end of the upper sub-frame 10. On the other hand, the left end of the upper sub-frame 10 is separated from the upper end of the left sub-frame 12, and a sliding shaft 37 protruding downward from the left end of the upper sub-frame 10 is provided.
Is vertically slidably fitted into the upper end of the left sub-frame 12. A wing bolt 39 is screwed onto the upper end of the left sub-frame 12. Then, the butterfly bolts 38, 39 are loosened, the upper sub-frame 10 is moved up and down, and the butterfly bolts 38, 39 are screwed at a predetermined height to position the upper sub-frame 10 at the upper edge of the sub-net 3. Can be changed up and down infinitely. It should be noted that the vertical movement of the upper sub-frame 10 causes slack in a part of the sub-net main body 13, which can be tied to the left main frame 4 or the left sub-frame 12 with a string.

Fourth Embodiment FIGS. 8 and 9 show a fourth embodiment. According to this, the guide pipes 41, 41 are attached to the lower part of the left main frame 4 and the left sub-frame 12, respectively, and the auxiliary net 15
A pair of left and right sliding rods 42, 42 are provided on the auxiliary frame 16 in a protruding manner. The sliding rods 42, 42 are fitted in the guide pipes 41, 41 so as to be slidable in the vertical direction, and screwed by butterfly bolts 38, 39 at predetermined vertical positions. Then, by loosening the butterfly bolts 38 and 39, moving the auxiliary net 15 up and down, and screwing the butterfly bolts 38 and 39 at a predetermined height, the upper edge of the auxiliary frame 16 which is the upper edge of the sub net 3 The 16b position can be changed up and down infinitely.

[0020]

[Effect of the Invention] According to the present invention, a baseball practice provided with a main net for covering the pitcher from the front side and a sub-net connected to the outside from one of the left and right sides of the lower part of the main net in front view. In the pitcher protection net, the upper edge position of the sub net can be changed up and down. For this reason, when the pitcher attempts to pitch by throwing only the tip of his arm out of the open space on the one side above the main net, the pitcher should be sufficiently protected from the hit and The upper edge position of the sub-net may be changed to a desired position in the vertical direction so that the pitching form can be adopted. Therefore, the protection net can be used by any pitcher having a different height, such as an adult and a child, and it is not necessary to provide a separate protection net for children. In this way, as the required number of protective nets can be reduced, the practice field is narrowed and the protective nets are changed every time the pitcher is replaced by a person with a different height. Is unnecessary.

[Brief description of drawings]

FIG. 1 is a front view of the first embodiment.

FIG. 2 is a side view of the first embodiment.

FIG. 3 is an enlarged cross-sectional view of a disassembleable portion according to the first embodiment.

FIG. 4 is a partially enlarged partial cross-sectional view of FIG. 1 according to the first embodiment.

5 is a sectional view taken along line 5-5 of FIG. 4 in Example 1. FIG.

FIG. 6 is a partial front view of the second embodiment.

FIG. 7 is a partial front view of the third embodiment.

FIG. 8 is a partial front view of the fourth embodiment.

9 is a side view of FIG. 8 in Embodiment 4. FIG.

[Explanation of symbols]

 1 Protective Net 2 Main Net 3 Sub Net 9 Fixed Net 10 Sub Frame (Top Edge) 15 Auxiliary Net 16 Auxiliary Frame 16a Rotating End (Top Edge) 16b Top Edge 33 Open Space

Claims (1)

[Scope of utility model registration request] 1. A protection net for a pitcher for baseball practice, comprising a main net for covering a pitcher from the front side thereof in a front view, and a sub net connected to the outside from one of the left and right sides of the lower part of the main net. , A protective net for pitchers for baseball practice in which the upper edge of the sub net can be changed up and down.