JP4902702B2 - bat - Google Patents

Description

  The present invention relates to a bat, and more particularly to a combination bat capable of absorbing vibration.

  Conventional bats are integrally molded, but are difficult to manufacture due to their relatively long length. On the other hand, a bat constructed by combining a grip and a hitting tube has been devised.

  In the conventional bat combination method, the isolation unit located between the grip and the hitting cylinder is not properly arranged, so that vibration tends to occur when hitting, and the vibration wave is directly or indirectly applied to the grip. The phenomenon of conduction occurs. Therefore, an unpleasant feeling is given to the hand of the batter.

  When the conventional bat is assembled, the grip and the hitting cylinder have no fixing action, so that not only the center of gravity after combination is not appropriate, but also the degree of joining after combination is insufficient, and deviation or rotation phenomenon easily occurs. Therefore, there is much room for improvement in the above structure.

  The main object of the present invention is to absorb vibrations that can achieve a good vibration absorption effect by giving a good joint degree and a buffering effect to the isolation unit located between the grip and the hitting tube Is to provide a simple combination bat.

  Another object of the present invention is that the structure after combination becomes more rigid, less likely to loosen or deviate, and does not cause the grip and the hitting cylinder to rotate along the axial direction. It is to provide a combination bat that can absorb vibrations.

  In order to achieve the above-mentioned object, a combined bat capable of absorbing vibration according to the present invention includes a grip, an isolation unit, and a hitting tube. The grip has a main body and a conical portion, and the conical portion is formed with a diameter gradually increasing from one end of the main body. The isolation unit is made of a material having a vibration absorbing effect, and is disposed so as to surround the outer peripheral surface of the grip cone portion. The hitting tube has a hollow shape and has a cylindrical portion and a conical hole portion. The cylinder part has a first through hole and a second through hole, and the conical hole part is formed with a diameter gradually increasing from the first through hole to the second through hole of the cylinder part. The main body of the grip is inserted from the second through hole of the hitting tube, and penetrates the first through hole. The conical hole and the conical part of the grip are fitted and compress the isolation unit.

The characteristics of the combination bat capable of absorbing vibrations according to another technical means of the present invention are as follows.
The grip has a grip end disposed at the bottom of the body.
The grip end is fastened to the grip body.
The grip has a hollow shape that is hollowed from the cone portion to the main body.
The bat further includes a compression unit, and the compression unit is disposed on the grip and moves to the second through hole by hitting the catch portion of the hit ball cylinder.
The grip further has a tightening portion formed between the main body and the conical portion, the compression unit has a sleeve and a cushion, the sleeve is fastened to the tightening portion of the grip, and the cushion is a sleeve and a ball tube. It is mounted between the catch part.
The bat has a cap that fits with the second through hole of the tube portion of the hitting tube.
The cone-shaped portion of the grip has a stopper, and the cone-shaped hole portion of the hitting tube has a stopper corresponding to the stopper of the grip.
The stopper of the cone-shaped part of the grip has a flat surface.
The stopper of the conical hole portion of the hitting cylinder has a flat surface.
The isolation unit presents a piece.
The isolation unit presents an annular cone.
The isolation unit employs an injection molding method, and can be molded so as to cover the grip cone and the stopper with a mold.
The grip cone and the stopper have a slight fitting hole used for fitting with the isolation unit.
The grip stopper can be extended to the end of the cone.
The grip stopper and the cone-shaped portion have different inclinations having the same or different angles.

It is the three-dimensional figure after the combination of one Embodiment of this invention. 2 is an exploded view of a portion of one embodiment of the present invention. FIG. It is a top view after the combination of one Embodiment of this invention. FIG. 4 is an enlarged view of a part of FIG. 3. It is sectional drawing along the broken line in FIG. It is a three-dimensional view of another embodiment of the grip in the present invention. It is a schematic diagram which shows the state which couple | bonded the isolation | separation unit and grip in this invention with another method.

  As shown in FIGS. 1 to 5, the structure, features, and effects of the present invention will be described in detail based on the following embodiments and drawings.

  A combination bat capable of absorbing vibration according to an embodiment of the present invention includes a grip 10, an isolation unit 30, and a hitting tube 50.

  The grip 10 includes a main body 11 and a conical portion 13, and the conical portion 13 is formed with a diameter gradually increasing from one end of the main body 11. The grip 10 has a hollow shape that is hollowed out from the cone portion 13 to the main body 11. The stopper 15 of the cone portion 13 of the grip 10 has a flat surface. The material of the grip 10 is a metal such as an aluminum alloy, carbon fiber, or a composite material of metal and carbon fiber.

  The isolation unit 30 is made of a soft material having a constant thickness and is disposed so as to surround the outer peripheral surface of the conical portion 13 of the grip 10. The isolation unit 30 presents a piece. The material of the isolation unit 30 is a material having a vibration absorption effect such as silicon, rubber, or plastic.

  The hitting tube 50 has a hollow shape and has a tube portion 51 and a conical hole portion 53. The cylindrical part 51 has a first through hole 511 and a second through hole 512, and the conical hole part 53 is formed with a diameter gradually increasing from the first through hole 511 to the second through hole 512 of the cylindrical part 51. The The main body 11 of the grip 10 is inserted from the second through hole 512 of the hit ball cylinder 50 and penetrates through the first through hole 511. The conical hole portion 53 and the conical portion 13 of the grip 10 are fitted to compress the isolation unit 30. The material of the hitting cylinder 50 is a metal such as an aluminum alloy, carbon fiber, or a composite material of metal and carbon fiber.

  Since the isolation unit 30 is softer than the grip 10 and the hitting barrel 50, it can be appropriately compressed and deformed.

  Hereinafter, the unit in this embodiment will be described in detail.

  The grip 10 has a grip end 80 disposed at the bottom of the main body 11. The grip end 80 is fastened to the main body 11 of the grip 10.

  The bat further has a compression unit 70. The compression unit 70 is disposed on the grip 10 and moves to the second through hole 512 by hitting the catch portion 57 of the hit ball cylinder 50.

  The grip 10 further includes a tightening portion 17 formed between the main body 11 and the conical portion 13. The compression unit 70 includes a sleeve 71 and a cushion 73, and the sleeve 71 is fastened to the fastening portion 17 of the grip 10, and the cushion 73 is attached between the sleeve 71 and the catch portion 57 of the hitting tube 50. The material of the cushion 73 is a material having a vibration absorbing effect such as silicon, rubber, or plastic.

  The bat has a cap 90 that fits with the second through-hole 512 of the tube portion 51 of the hitting tube 50.

  The conical portion 13 of the grip 10 has a slight stopper 15, and the conical hole portion 53 of the hitting tube 50 has a slight stopper 55 corresponding to the stopper 15 of the grip 10.

  The stopper 55 of the conical hole portion 53 of the hitting tube 50 has a flat surface.

  Hereinafter, the description will proceed with respect to the combination process of the present embodiment.

  First, the conical portion 13 of the grip 10 is covered with the isolation unit 30, and thereafter, the main body 11 of the grip 10 is inserted into the cylindrical portion 51 of the hitting tube 50, and the conical portion 13 of the grip 10 and the conical hole portion of the hitting barrel 50. 53 and are fixed to the isolation unit 30. At this time, the stopper 15 of the grip 10 corresponds to the stopper 55 of the hit ball cylinder 50. Subsequently, the compression unit 70 is fitted into the main body 11 of the grip 10, the compression unit 70 is tightened to the tightening portion 17 of the grip 10, and the cushion 73 is abutted against the catch portion 57 of the hitting tube 50 by the sleeve 71. At this time, the isolation unit 30 is compressed between the conical hole portion 53 of the hit ball cylinder 50 and the conical portion 13 of the grip 10.

  After the combination is completed, the isolation unit 30 completely covers the conical portion 13 of the grip 10, so that the degree of bonding and the buffering effect are good. Since the hitting cylinder and the grip are isolated by the isolation unit, the vibration and vibration wave of the hitting cylinder are isolated by the isolation unit when hitting. If the sleeve 71 is fastened to the fastening part 17 of the grip 10 and the cushion 73 is pressed against the catch part 57 of the hitting tube 50, it is possible to achieve the joining effect by the cones without having to rely on another jig. is there. Since the stopper 15 of the grip 10 corresponds to the stopper 55 of the hit ball cylinder 50, it is possible not only to reliably prevent the hit ball cylinder 50 from rotating with respect to the grip 10, and to improve the safety at the time of hitting, It is possible to prevent a phenomenon that the hitting tube 50 and the grip 10 become loose and deviate.

  The present invention can be modified or added to embodiments. As shown in FIG. 6, the stopper 15 </ b> A of the grip 10 can be extended to the end of the conical portion 13. The stoppers 15, 15 </ b> A and the conical portion 13 have different inclinations with the same angle or different angles.

  As shown in FIG. 7, the conical portion 13 and the stopper 15 of the grip 10 have some fitting holes 19 used for fitting with the isolation unit 30. The isolation unit 30A employs an injection or foam molding method, and can be molded so as to cover the conical portion 13 of the grip 10 and the fitting hole 19 of the stopper 15 with a mold. And since the isolation | separation unit 30 exhibits an annular cone, not only can the combination work be simplified, but there is no problem of rotating or twisting parts during the combination.

  A stopper for the cone of the grip can be formed in the recessed groove. On the other hand, the stopper of the conical hole portion of the hitting tube has a protruding shape. Alternatively, it is within the scope of the present invention to design the stopper in another shape that can prevent the rotation phenomenon by corresponding to each other.

  As described for the above-described embodiment, the combination bat capable of absorbing vibration according to the present invention has a good joint degree and a buffering effect because the grip, the hitting cylinder, and the isolation unit arranged between the two have a good bonding degree. It is possible to achieve a good vibration absorbing effect. And the structure after the combination becomes tighter, the phenomenon of loosening and deviating does not occur easily, and it is possible to prevent the grip and the hitting cylinder from rotating along the axial direction. The structure becomes more solid.

10: Grip, 11: Main body, 13: Conical part, 15: Stopper, 15A: Stopper, 17: Tightening part, 19: Fitting hole, 30: Isolation unit, 30A: Isolation unit, 50: Hitting cylinder, 51 : Cylindrical part, 511: first through hole, 512: second through hole, 53: conical hole part, 55: stopper, 57: catch part, 70: compression unit, 71: sleeve, 73: cushion part, 80: Grip end, 90: Cap

Claims (9)

A grip having a main body and a conical portion formed by gradually increasing the diameter from one end of the main body;
An isolation unit that is made of a material having a vibration absorbing effect and is arranged so as to surround the outer peripheral surface of the cone-shaped portion of the grip;
It has a hollow shape and has a cylindrical portion and a conical hole portion, the cylindrical portion has a first through hole and a second through hole, and the conical hole portion extends from the first through hole of the cylindrical portion to the second through hole. A striking cylinder formed with a gradually increasing diameter,
A compression unit that is disposed on the grip and moves the hitting cylinder in the direction of the second through-hole by hitting the catch portion of the hitting cylinder;
With
The grip is inserted into the second through-hole of the hitting cylinder, penetrates the first through-hole, the conical hole portion and the conical portion of the grip are fitted, and the vibration is characterized by compressing the isolation unit. Absorbable combination bat. The grip further has a tightening portion formed between the main body and the conical portion, the compression unit has a sleeve and a cushion, the sleeve is fastened to the tightening portion of the grip, and the cushion is a sleeve and a ball tube. The combined bat capable of absorbing vibration according to claim 1 , wherein the combined bat is mounted between the catch portion and the catch portion.   2. The combined bat capable of absorbing vibration according to claim 1, wherein the conical portion of the grip has a stopper, and the conical hole portion of the hitting tube has a stopper corresponding to the stopper of the grip. 4. The combined bat capable of absorbing vibration according to claim 3 , wherein the stopper of the conical portion of the grip has a flat surface. The combined bat capable of absorbing vibration according to claim 3 or 4 , wherein the stopper of the conical hole portion of the hitting cylinder has a flat surface. 4. The combined bat capable of absorbing vibration according to claim 3 , wherein the grip stopper can be extended to the end of the conical portion. Stopper and Kirijo portion of grip, according to claim 3 in which the angle is characterized by having the same inclination, 4 or 6 assimilable combinational bat vibration according to any one of.   2. The vibration isolation unit according to claim 1, wherein the isolation unit employs an injection or foam molding method and can be molded so as to cover the cone of the grip and the stopper by a mold. Combination bat. 9. The combined bat capable of absorbing vibration according to claim 8 , wherein the conical portion of the grip and the stopper have some fitting holes used for fitting with the isolation unit.

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