JPH0736691Y2 - Home base and pitcher plate - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a home base and a pitcher plate.

[0002]

2. Description of the Related Art A conventional home base used for baseball has a structure as shown in FIGS. 3 (A) and 3 (B). That is, the conventional home base 1 is configured by fixing a hard rubber base body 3 on a wooden base 2 with an adhesive or the like. Then, the base 2 is attached to the base body 3
The home base 1 is fixed by being buried in the ground so that its surface is exposed to the ground.

Further, as shown in FIGS. 4 (A) and 4 (B),
The pitcher plate 4 has the same structure. The hard rubber plate body 6 is fixed on the wooden base 5 with an adhesive or the like. By embedding the base 5 in the ground, the pitcher plate 4 is formed. It is fixed.

[0004]

By the way, since the base body 3 and the plate body 6 of the home base 1 and the pitcher plate 4 are stepped on the spikes, they are more damaged than the bases 2 and 5. Therefore, the base body 3
In the structure such as the conventional home base 1 or the pitcher plate 4 in which the plate body 6 is integrally fixed to the bases 2 and 5, when replacing the damaged base body 3 or the plate body 6, the base 2 or Even if 5 is still in a sufficiently usable state, the whole must be replaced, which is very uneconomical.

Further, in the conventional home base and pitcher plate, the thickness of the base portion cannot be changed,
The bases with different thicknesses were manufactured respectively. The present invention has been made in view of the above circumstances, and provides an economical home base and pitcher plate in which only the base body and plate body that are severely damaged can be replaced and the thickness of the base can be freely changed. The purpose is to do.

[0006]

Therefore, the home base of the present invention is constructed such that the base body and the base and the bases having substantially the same shape can be detachably connected by the connecting means, and The configuration is such that a plurality of bases having substantially the same shape can be stacked. Similarly, the pitcher plate of the present invention is also configured such that the plate body, the base and the bases of substantially the same shape are separably fixed by a coupling means, and a plurality of bases of the same shape are attached to the plate body. The table is configured to be stackable.

[0007]

According to the home base and the pitcher plate having such a structure, the base body or the plate body and the base can be separated from each other, and only the base body or the plate body can be replaced when they are damaged. Also, by stacking an appropriate number of bases of approximately the same shape and integrally fixing them to the base body or plate body, the thickness of the base portion can be easily changed. Eliminates the need to manufacture

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a home base according to the present invention will be described below with reference to FIG. 1 (A) to 1 (C), a home base 10 of the present embodiment has a base 11 made of plastic and having a flat pentagonal shape.
The base body 12 formed in the same shape as the above is fastened by a bolt 13 as a coupling means to fix the two.

The base 11 has bolt insertion holes 14 formed at appropriate locations (three locations in this embodiment). At the bolt insertion side end of the bolt insertion hole 14, the head of the bolt 13 is a base.
A recess 15 is provided so as to be flush with 11. Also,
The recess 15 is formed in such a size that a clearance 16 is formed between the recess 15 and the head of the bolt so that a box spanner for tightening the bolt can be inserted therein.

The base body 12 is constructed by embedding a nut 17 on the back surface side to which the base 11 is fixed. The home base 10 is constructed such that the base body 12 is fitted on the base 11 and the bolts 13 are attached to the base body 11 through the bolt insertion holes 14 of the base 11.
It can be easily assembled by screwing the nuts 17 on the 12 side to fix each other.

Then, another base 11 of substantially the same shape is shown in FIG.
As shown in (C), by stacking and fixing an appropriate number of sheets (two sheets are shown in this embodiment, the number is not limited to this number), the thickness of the base portion can be easily changed. still,
In this case, needless to say, it is necessary to use a bolt having a length that matches the thickness of the base portion. An adhesive may be applied between the bases 11 of each other.

According to the home base 10 having such a structure, the base main body 12 and the base 11 can be easily separated by removing the bolts 13. When the base main body 12 is damaged, only the base main body 12 can be separated. Can be replaced. Further, by stacking an appropriate number of bases 11 having the same shape, the thickness of the base can be freely changed, and the bases having the same shape may be manufactured.

Therefore, when the base body 12 needs to be replaced, the base that does not need replacement can be used as it is.
Since it is not necessary to manufacture the bases having different thicknesses as in the conventional case, it is extremely economical and the manufacturing cost can be reduced. Next, the pitcher plate of the present invention is shown in FIG.
A description will be given based on (A) to (C).

In FIG. 2, a pitcher plate 20 of the present embodiment is similar to the home base 10 and is a plate made of hard rubber in the same shape as the base 21 on a plastic base rectangular base 21. The main body 22 is fastened with a bolt 23 as a coupling means to fix them. The base
21 has bolt insertion holes 24 formed at appropriate positions (two positions in this embodiment). The end portion of the bolt insertion hole 24 on the bolt insertion side is the same as in the case of the home base 10, and is provided with a recess 25 having a size such that a gap 26 is formed between the bolt insertion hole 24 and the head portion of the bolt.

A nut 27 is embedded in the plate body 22. Like the home base 10, the pitcher plate 20 can also be easily assembled by aligning the plate body 22 on the base 21 and fixing them together with the bolts 23. In addition, another base 21 having substantially the same shape is shown in FIG.
By stacking and fixing an appropriate number of sheets as shown in (C), the thickness of the base portion can be easily changed. still,
Also in this case, an adhesive may be applied between the bases 21.

The pitcher plate 20 having such a structure is also used in the home base 10 as compared with the conventional pitcher plate.
It has the same effect as. Incidentally, the connecting structure of the base body or plate body and the base and the base is not limited to the bolt of the present embodiment, for example, while forming a recess or a protrusion on the base body or plate body side, A structure may be provided in which a convex portion or a concave portion is provided on the base side so as to correspond to the concave portion or the convex portion on the base body or the plate main body, and the concave portion and the convex portion are fitted to each other so as to connect the both. The same applies to the mutual bases. Further, a guide groove may be provided on the side surface of the base body or the plate body, and a guide portion that is slidably fitted in the guide groove on the base body or the plate body side may be provided on the base side so as to connect the both. The same applies to the mutual bases. In this case, the guide groove may be provided on the base side and the guide portion may be provided on the base body or the plate body side. The means for connecting the base body or plate body to the base and the base is not limited to the above-mentioned structure, and any structure can be used as long as the two can be firmly connected to each other.

[0017]

As described above, according to the home base and the pitcher plate of the present invention, the base portion and the body portion are separable, so that when the body portion is damaged and needs to be replaced, only the body portion is replaced. Since it can be replaced and used as it is without replacing the base part, it is extremely economical and has a great resource saving effect. Also, since the thickness of the base portion can be freely changed by stacking an appropriate number of bases, it is not necessary to manufacture bases having different thicknesses, and it is sufficient to manufacture bases of the same shape.
Manufacturing costs can be reduced.

[Brief description of drawings]

1 is a view showing a home base according to the present invention, (A)
Is a top view, (B) is a bottom view, and (C) is an enlarged sectional view.

FIG. 2 is a view showing a pitcher plate according to the present invention,
(A) is a top view, (B) is a bottom view, and (C) is an enlarged sectional view.

FIG. 3 is a view showing a conventional home base, in which (A) is a top view and (B) is a front view.

FIG. 4 is a view showing a conventional pitcher plate, (A).
Is a top view, (B) is a front view

[Explanation of symbols]

 10 Home base 11 Base 12 Base body 13,23 Bolt 14,24 Bolt insertion hole 17,27 Nut 20 Pitcher plate 21 Base 22 Plate body

Claims (2)

[Scope of utility model registration request] 1. A home base having a structure in which a hard rubber base body is integrally fixed on a base, and the base is embedded in the ground for use. A home base characterized in that a plurality of bases having substantially the same shape can be stacked on a base body so as to be separable from each other by a connecting means. 2. A pitcher plate having a structure in which a plate body made of hard rubber is integrally fixed on a base, and the base is embedded in the ground for use. A pitcher plate, characterized in that it is configured such that it can be separated from each other by a coupling means, and that a plurality of bases of substantially the same shape can be stacked on a plate body.