TW201832808A - Combined bat including a hollow bat body having an internal space - Google Patents

Abstract

The present invention provides a combined bat. The combined bat includes a hollow bat body having an internal space. The hollow bat body is arranged with at least one combining part for mutual connection. The combining part is arranged, in an interior thereof, with a reinforcement connected to the hollow bat body inside the internal space for effectively improving combination power of the combining part, and increasing a strength of the combining part through expanding and compressing the bat in a coaxial direction.

Description

Combined bat

The invention relates to a bat, in particular to a combined bat which increases the joint strength.

Referring to Figures 1-1 and 1-2, there is known a bat 1 of at least two stages, the bat 1 comprising a ball striking portion 11, a slanting portion 12 and a grip portion 13. The top end of the ball striking portion 11 is engaged with a cover body 14. The end of the ball striking portion 11 has a first mating segment 111. The inner edge of the first mating segment 111 is provided with a first zigzag pattern 112. A second engaging portion 121 is formed at an end of the ball striking portion 11 and is engaged with the first engaging portion 111. The outer edge of the second engaging portion 121 is disposed to be engaged with the first serration 112. The second serration 122 has a third fitting section 123 at one end of the oblique section 12 away from the second fitting section 121. The third edge of the third fitting section 123 is provided with a third zigzag 124. The end portion of the grip portion 13 facing the inclined portion 12 has a fourth fitting portion 131 that is engaged with the third fitting portion 123. The outer edge of the fourth fitting portion 131 is provided with a third zigzag 124. A fourth zigzag 132 that is engaged with each other. After the bat 1 is hit, the first fitting section 111 of the ball striking portion 11 and the second fitting section 121 of the slanting section 12, and the third embedding of the slanting section 12 The joint position between the joint portion 123 and the fourth fitting portion 131 of the grip portion 13 is easily released by the impact force, so that the ball striking portion 11, the inclined portion portion 12 and the grip of the bat 1 are The joint between the portions of the portion 13 is difficult to secure.

The technical problem to be solved by the present invention is to overcome the above-mentioned two-stage bat after hitting the ball, the joint position between the parts of the two-stage bat is loosened by the impact force, so that the two-stage bat The joint position between the parts is likely to cause a disadvantage of being weak. The present invention provides a combined bat for enhancing the joint strength of the joint of the hollow shank in order to increase the stalk usability.

For the purpose of the foregoing invention, the technical solution adopted by the present invention is to provide a combined bat, which is a hollow rod body having an inner space, and the hollow rod body is provided with at least one joint portion that is engaged with each other. A reinforcing member connected to the inner space of the hollow rod body is disposed inside the joint portion.

Further, in the combined bat of the present invention, the hollow rod body segment is provided with a ball striking portion and a grip portion, and one end of the grip portion is connected to an end of the ball striking portion to have an outer diameter larger than a diagonal portion of the outer diameter of the grip portion, the oblique portion having a large diameter end engaged with the one end of the ball striking portion and a small diameter end integrally connected to one end of the grip portion, the inclined portion a ring groove is disposed on the outer periphery of the large diameter end, and the inner peripheral edge of one end of the ball striking portion is connected to the ring groove of the outer peripheral edge of the large diameter end of the inclined portion to form the joint portion, and the joint portion is connected inside the joint portion The reinforcing member has a cap portion attached to the top end of the ball striking portion and abutting portion at the end of the grip portion.

Furthermore, in the combined bat of the present invention, the hollow rod body segment is provided with a ball striking portion and a grip portion, and one end of the ball striking portion is connected to an end of the grip portion to have an outer diameter smaller than a sloped portion of the outer diameter of the ball striking portion, the oblique segment portion having a large diameter end integrally connected to one end of the ball striking portion and a small diameter end engaged with the one end of the grip portion, the end portion of the grip portion a circumferential groove is disposed on the outer circumference of the small-diameter end of the inclined portion, and the joint portion is formed on the annular groove of the outer circumference of one end of the grip portion, and the reinforcing member is connected inside the joint portion And a cap portion is attached to the top end of the ball striking portion, and abutting portion is abutted at an end of the grip portion.

Further, in the combined bat according to the present invention, the hollow rod body forms two joint portions that are engaged with each other, and each of the joint portions is provided with a connection to the hollow rod body. The reinforcing member of the inner space.

Further, the combined bat of the present invention, wherein the hollow rod body segment is provided with a ball striking portion, a slanting portion and a grip portion, the slanting portion having a mutual end with the ball striking portion a large-diameter end that engages and engages, and a small-diameter end that is engaged with the one end of the grip portion, and a ring groove is provided on the outer peripheral edge of the large-diameter end of the inclined portion to provide an inner peripheral end of the ball striking portion The joint portion is formed on the ring groove of the outer peripheral edge of the large diameter end of the inclined portion, and a ring groove is provided at an outer circumference of one end of the grip portion to provide an inner circumference of the small diameter end of the inclined portion Forming the joint portion on the ring groove of the outer periphery of one end of the grip portion, the reinforcing member is respectively connected inside each joint portion, and a head portion is attached to the top end of the ball striking portion And abutting abutting portion at an end of the grip portion.

Furthermore, in the combined bat of the present invention, the reinforcing member is bonded or integrally connected to the inside of the joint portion.

Furthermore, in the combined bat according to the present invention, the ball striking portion, the oblique portion and the grip portion of the hollow rod body are composed of the same material or a combination of different materials.

Further, in the combined bat of the present invention, the material of the ball striking portion of the hollow rod body is selected from the group consisting of PUR polyurethane and has a strength of about 3 kgf/mm ² -9 kgf/mm ² . High-strength plastic materials, or FRP fiber reinforced plastics made of CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics, or PC polycarbonate ( The engineering plastics represented by polycarbonate or the super engineering plastics represented by polyether ether ketone have a strength of about 3kgf/mm ² -9kgf/mm ² . High-strength plastic.

Further, the combined bat of the present invention, wherein the oblique portion of the hollow rod and the material of the grip portion are selected from light metals having a specific gravity of 1.5 to 2.9, and the light metal is an aluminum alloy or a magnesium alloy, or FRP fiber reinforced plastics are used. The materials contained in FRP fiber reinforced plastics are CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics.

Furthermore, the composite bat according to the present invention, wherein the reinforcing member has a cylindrical shape or a conical tubular shape, and the reinforcing member has a through hole communicating with the inner space of the hollow rod body, the through hole being The circular shape or the tapered shape has a thickness of 0.1 mm to 9.5 mm, and the length of the reinforcing member is 2.5 mm to 97.5 mm.

Further, the combined bat according to the present invention, wherein the reinforcing member has a cylindrical shape or a conical tubular shape, the connecting member is internally provided with a connecting portion and a groove is formed at the upper and lower ends of the connecting portion, respectively. The connecting section of the reinforcing member is provided with a sound hole, the reinforcing member has a thickness of 0.1 mm to 9.5 mm, and the reinforcing member has a length of 2.5 mm to 97.5 mm.

Furthermore, in the combined bat according to the present invention, the reinforcing member has an arc-convex shape, and the top end of the reinforcing member has a plane and an end with an arc-convex circle, and the reinforcing member has a flute hole inside, and the reinforcing member has a reinforcing hole. The thickness of the member is from 0.1 mm to 9.5 mm, and the length of the reinforcing member is from 2.5 mm to 97.5 mm.

Further, in the combined bat according to the present invention, the reinforcing member has an arc-convex shape, and the top end and the end of the reinforcing member are respectively formed as arc-convex circles, and the reinforcing member is provided with a sound hole inside, and the reinforcing member is provided with a sound hole. The thickness of the member is from 0.1 mm to 9.5 mm, and the length of the reinforcing member is from 2.5 mm to 97.5 mm.

Further, the combined bat according to the present invention, wherein the reinforcing member has a cylindrical shape or a conical tubular shape, and a connecting portion is disposed inside the reinforcing member, and a protruding long rod facing outward is extended in the center of the connecting portion. The protruding rod of the connecting section is disposed toward the hollow rod body, and the connecting section of the reinforcing member is provided with two opposite tuning fork holes, the reinforcing member has a thickness of 0.1 mm to 9.5 mm, and the reinforcing member has a length of 2.5 Mm ~ 97.5mm.

Furthermore, the composite bat according to the present invention, wherein the reinforcing member material is selected from a resin material having a specific gravity of 1.0 to 2.9, the resin material is ABS thermoplastic polymer material (Acrylonitrile Butadiene Styrene), or PC poly is selected. Polycarbonate, or FRP fiber reinforced plastics, FRP fiber reinforced plastics are CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics.

Furthermore, the composite bat of the present invention, wherein the reinforcing member material is selected from the group consisting of metal materials having a specific gravity of 1.0 to 2.9.

With this innovative and unique design, the present invention can achieve the following effects as compared with the prior art:

1. The composite bat of the present invention, the bat is a hollow rod body having an inner space, the hollow rod body being provided with at least one joint portion that is engaged with each other, and a connection is provided inside the joint portion The reinforcing member of the inner space of the hollow rod body can effectively improve the bonding property of the joint portion, and expand and compress through the coaxial direction of the bat rod to increase the strength of the joint portion.

2. The bat of the present invention is provided with a sound hole or a tuning fork hole in the reinforcing member of the inner space of the hollow rod body for better playing sound, so as to provide a better feeling of playing for the user.

The purpose, technical contents, features, and effects achieved by the present invention will become more apparent from the detailed description of the appended claims.

Before the present invention is described in detail, it is noted that in the following description, like elements are denoted by the same reference numerals.

Referring to FIG. 2, the present invention provides a first embodiment of a combined bat, which is a hollow rod 3 having an internal space 300, and the hollow rod 3 is provided with at least one engagement joint. The joint portion 30 and the reinforcing member 4 connected to the inner space 300 of the hollow rod 3 are disposed inside the joint portion 30, so that the joint of the joint portion 30 can be effectively improved, and the joint of the rod 2 is coaxial The expansion and compression are used to strengthen the strength of the joint portion 30 of the hollow rod 3.

Referring to FIG. 2, the present invention provides a first embodiment of a combined bat, wherein the hollow rod 3 is formed into two joint portions 30 which are engaged with each other, and the hollow rod body 3 is respectively at each joint portion. The inside of the 30 is provided with the reinforcing member 4 connected to the internal space 300 of the hollow rod 3. Further, the hollow rod 3 is segmentally provided with a ball striking portion 31, a diagonal portion 32 and a grip portion 33, and the oblique portion 33 has a large engagement with the one end 311 of the ball striking portion 31. a diameter end 321 and a small diameter end 322 that is engaged with the one end 331 of the grip portion 33, and a ring groove 323 is disposed on the outer circumference of the large diameter end 321 of the inclined portion 32 to provide one end of the ball striking portion 31. The inner periphery 312 of the 311 is engaged with the ring groove 323 of the outer peripheral edge of the large-diameter end 321 of the inclined portion 32 to form the joint portion 30, and a ring groove is provided at the outer periphery of the one end 331 of the grip portion 33. 332, the inner peripheral edge 324 of the small-diameter end 322 of the inclined portion 32 is provided to engage the annular groove 332 of the outer periphery of the one end 331 of the grip portion 33 to form the joint portion 30, and the joint portion 30 is formed at each of the joint portions 30. The reinforcing member 4 is respectively connected to the inside, and a head cover portion 34 is attached to the top end of the ball striking portion 31 and abutting portion 35 is abutted at the end of the grip portion 33 to form a complete bat. 2. Further, in the first embodiment disclosed in FIG. 2, the outer shape of the reinforcing member 4 in the inner space 300 of the hollow rod body 3 is fitted to the inclined portion 32 of the hollow rod body 3. The inner space 300 of the inner circumference of the large diameter end 321 and the inner space 300 of the inner circumference of the one end 331 of the grip portion 33.

In the embodiment (1) of the bat 2 of the hollow rod 3 of the present invention, as shown in FIG. 3, the hollow rod 3 is provided with a ball striking portion 31 and a grip. Part 33. One end 331 of the grip portion 33 is connected to an end 311 of the ball striking portion 31 to a diagonal portion 32 having an outer diameter larger than the outer diameter of the grip portion 33, and the oblique portion 32 has one end with the ball striking portion 31. The large-diameter end 321 and the small-diameter end 322 integrally connected to the one end 331 of the grip portion 33 are disposed, and a ring groove 323 is disposed on the outer circumference of the large-diameter end 321 of the inclined portion 32 to provide the ball striking portion 31. An inner peripheral edge 312 of one end 311 is engaged with the annular groove 323 of the outer peripheral edge of the large-diameter end 321 of the inclined portion 32 to form the joint portion 30, and the reinforcing member 4 is connected inside the joint portion 30, and A top cover portion 34 is attached to the top end of the ball striking portion 31, and abutting portion 35 is abutted at the end of the grip portion 33. Further, the outer shape of the reinforcing member 4 in the inner space 300 of the hollow rod body 3 is fitted to the inner space 300 of the inner circumference of the large-diameter end 321 of the inclined portion 32 of the hollow rod body 3. .

In the embodiment (2) of the bat 2 of the hollow rod 3 of the present invention, as shown in FIG. 4, the hollow rod 3 is provided with a ball striking portion 31 and a grip. Part 33. The one end 311 of the ball striking portion 31 is connected to the one end 331 of the grip portion 33 to a diagonal portion 32 having an outer diameter smaller than the outer diameter of the ball striking portion 31, and the oblique portion 32 has the ball striking portion 31. The large-diameter end 321 of the one end 311 is integrally connected to the small-diameter end 321 and the one end 331 of the grip portion 33. The outer peripheral edge of the end 331 of the grip portion 33 is provided with a ring groove 332, and the inclined portion 32 is provided. The inner peripheral edge 324 of the small diameter end 322 is engaged with the ring groove 332 of the outer periphery of the one end 331 of the grip portion 33 to form the joint portion 30, and the reinforcing member 4 is connected inside the joint portion 30, and A top cover portion 34 is attached to the top end of the ball striking portion 31, and abutting portion 35 is abutted at the end of the grip portion 33. Further, the outer shape of the reinforcing member 4 in the inner space 300 of the hollow rod body 3 is fitted to the inner space 300 at the inner periphery of the one end 331 of the grip portion 33 of the hollow rod 3.

Referring to FIG. 2 and FIG. 5 and FIG. 6 , in the first to third embodiments of the combined bat of the present invention, the shape of the reinforcing member 4 is designed as a cylindrical shape or a conical tubular shape, and the reinforcing member 4 is further configured. The inside has a through hole 40 that communicates with the internal space 300. The through hole 40 has a circular shape or a tapered shape. More specifically, the reinforcing member 4 has a thickness of 0.1 mm to 9.5 mm, and the reinforcing member 4 has a length of 2.5 mm to 97.5 mm. Further, the reinforcing member 4 is adhered or integrally connected to the inside of the joint portion 30, and the reinforcing member 4 is adhered or integrally connected to the inclined portion 32 as shown in FIGS. 2 and 5 and 6. The inner space 300 of the inner circumference of the large diameter end 321 and/or the inner space 300 of the inner circumference of the one end 331 of the grip portion 33.

More specifically, the ball striking portion 31, the oblique segment portion 32, and the grip portion 33 of the hollow rod body 3 are made of the same material or a combination of different materials. Wherein, the material of the ball striking portion 31 is a high-strength plastic material with a strength of about 3kgf/mm ² -9kgf/mm ² , and the material thereof is PUR polyurethane, or FRP fiber reinforced plastic (fiber reinforced) Plastics), FRP fiber reinforced plastics contain CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics, or high strength plastics with a strength of 3kgf/mm ² -9kgf/mm ² , the materials contained therein are engineering plastics represented by PC polycarbonate or super engineering plastics represented by polyether ether ketone.

More specifically, the material of the inclined portion 32 and the grip portion 33 of the hollow rod 3 is selected from a light metal having a specific gravity of 1.5 to 2.9, the light metal is an aluminum alloy or a magnesium alloy, or FRP fiber reinforced plastic (fiber reinforced) is selected. Plastics), FRP fiber reinforced plastics contain materials such as FRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics.

Referring to Figures 7 to 9, in the fourth to sixth embodiments of the combined bat of the present invention, the reinforcing member 4a is substantially identical to the reinforcing member 4 shown in Figures 2 and 5 and 6. The only difference is that the shape of the reinforcing member 4a is designed to be cylindrical or conical. The reinforcing member 4a is provided with a connecting portion 41a and a recess 410a at the upper and lower ends of the connecting portion 41a. The reinforcing member 4a can be used for the reinforcing member 4a for better playing sound. The connecting section 41a is provided with a sound hole 411a that communicates with the internal space 300 to achieve a beeping effect. The shape of the reinforcing member 4a shown in FIGS. 8 and 9 is an arc-convex shape, wherein the top end of the reinforcing member 4a is a plane and the end is an arc-convex circle, and FIG. 9 is shown in FIG. The top end and the end of the reinforcing member 4a are each provided with an arc-convex circle, so that the reinforcing member 4a shown in FIGS. 8 and 9 is also provided with a sound hole 411a, which has a beeping effect, and is not limited to this aspect. .

In other possible embodiments, as shown in FIGS. 10 and 11 , in the seventh and eighth embodiments of the combined bat of the present invention, the reinforcing member 4b is substantially similar to the second and fifth and sixth figures. The reinforcing member 4 is substantially identical, except that the shape of the reinforcing member 4b is designed as a cylindrical shape or a conical tubular shape. The reinforcing member 4b is internally provided with a connecting portion 41b, and a central portion of the connecting portion 41b is extended. The outer protruding rod 42b, the protruding rod 42b of the connecting portion 41b may be placed toward the large diameter end 321 of the inclined portion 32 and/or at the end 331 of the grip portion 33, or the convex portion of the connecting portion 41b The long rod 42b faces the large diameter end 321 of the inclined portion 32 and is disposed in the same direction at one end 331 of the grip portion 33. For the better playing sound, the reinforcing member 4b can provide the effect of the two opposite tuning fork holes 43b on the connecting portion 41b of the reinforcing member 4b.

Referring to the embodiment shown in FIGS. 2 to 11, the reinforcing member 4, 4a, 4b is made of a resin material having a specific gravity of 1.0 to 2.9, and the resin material is ABS thermoplastic polymer material (Acrylonitrile Butadiene Styrene). ), or use PC polycarbonate (Polycarbonate), or use FRP fiber reinforced plastics, FRP fiber reinforced plastics contain CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastic ( The glass fiber reinforced plastics), or the material of the reinforcing member 4 is selected from a metal material having a specific gravity of 1.0 to 2.9, and the metal material is aluminum.

According to the present invention, the reinforcing member 4 of the inner space 300 of the hollow rod 3 is connected to the inside of the joint portion 30 of the hollow rod 3, thereby improving the jointability of the joint portion 30 of the hollow rod 3. The bat 2 is expanded and compressed in the coaxial direction to reinforce the strength of the joint portion 30 of the hollow rod 3.

According to the present invention, after the bat 1 of the two-stage type is hit, the joint position between the parts of the two-stage bat 1 is released by the impact force, so that the parts of the two-stage bat 1 are made The problem of the connection between the two places is not strong, completely breaking through the production mode of the current similar products, the benefits and value of the industrial use, and the fact that the practical effects and safety of the products achieved are sufficient to meet the practical use value. The invention patent requirement, the patent application according to law is the main reason for the invention to be solved.

The above embodiments may be used alone or in combination. Moreover, the bat 2 may also include other features not mentioned. The present invention is intended to be limited to the scope of the appended claims.

(customary)
1‧‧‧ bat
11‧‧‧Balling Department
111‧‧‧First chimeric segment
112‧‧‧First zigzag
12‧‧‧ oblique section
121‧‧‧Second mating segment
122‧‧‧Second sawtooth
123‧‧‧ third chimera
124‧‧‧3rd sawtooth
13‧‧‧ grip
131‧‧‧Four mating segment
132‧‧‧Fourth sawtooth
14‧‧‧ Cover
(this invention)
2‧‧‧ bat
3‧‧‧ hollow rod
30‧‧‧ joints
300‧‧‧Internal space
31‧‧‧Balling Department
311‧‧‧ one end
312‧‧‧ inner circumference
32‧‧‧ oblique section
321‧‧‧ Large diameter end
322‧‧‧Small diameter end
323‧‧‧ ring groove
324‧‧‧ inner circumference
33‧‧‧ grips
331‧‧‧ one end
332‧‧‧ ring groove
34‧‧‧ head cover
35‧‧‧Resistance
4, 4a, 4b‧‧‧ reinforcements
40‧‧‧through holes
41a, 41b‧‧‧ Connection section
410a‧‧‧ Groove
411a‧‧‧ flute hole
42b‧‧‧long rod
43b‧‧‧ tuning fork hole

Figure 1-1: A perspective view of a two-stage bat. Figure 1-2: is a cross-sectional view of the 1-1 diagram at the A-A position. Fig. 2 is a sectional view showing the combination of the first embodiment of the combined bat of the present invention. Fig. 3 is a cross-sectional view showing an embodiment (a) of a joint portion of the combined bat of the present invention. Fig. 4 is a cross-sectional view showing an embodiment (II) of a joint portion of the combined bat of the present invention. Figure 5 is a cross-sectional view showing the second embodiment of the combined bat of the present invention. Figure 6 is a sectional view showing the combination of the third embodiment of the combined bat of the present invention. Figure 7 is a cross-sectional view showing the assembly of the fourth embodiment of the combined bat of the present invention. Figure 8 is a cross-sectional view showing the fifth embodiment of the combined bat of the present invention. Figure 9 is a cross-sectional view showing the assembly of the sixth embodiment of the combined bat of the present invention. Figure 10 is a cross-sectional view showing the seventh embodiment of the combined bat of the present invention. Figure 11 is a cross-sectional view showing the assembly of the eighth embodiment of the combined bat of the present invention.

Claims (16)

A combined bat, the bat is a hollow rod having an inner space, the hollow rod is provided with at least one joint that is engaged with each other, and the joint is internally provided with a connection inside the hollow rod Space reinforcement. The combined bat according to claim 1, wherein the hollow rod body segment is provided with a ball striking portion and a grip portion, and one end of the grip portion is connected to one end of the ball striking portion. a diagonal portion having a diameter larger than an outer diameter of the grip portion, the oblique portion having a large diameter end engaged with the one end of the ball striking portion and a small diameter end integrally connected to one end of the grip portion, the inclined portion a ring-shaped groove is formed on the outer peripheral edge of the large-diameter end of the portion, and the inner peripheral edge of one end of the ball striking portion is engaged to engage the ring groove of the outer peripheral edge of the large-diameter end of the inclined portion to form the joint portion, and the joint portion is formed inside the joint portion The reinforcing member is connected, and a cap portion is attached to the top end of the ball striking portion, and abutting portion is abutted at an end of the grip portion. The combined bat according to claim 1, wherein the hollow rod body segment is provided with a ball striking portion and a grip portion, and one end of the ball striking portion is connected to one end of the grip portion. a slanted portion having a diameter smaller than an outer diameter of the ball striking portion, the slanted portion having a large diameter end integrally connected to one end of the ball striking portion and a small diameter end engaged with the one end of the grip portion, the grip a ring groove is disposed on an outer circumference of one end of the portion, and an inner circumference of the small diameter end of the inclined portion is connected to the ring groove of the outer circumference of one end of the grip portion to form the joint portion, and the joint portion is connected inside the joint portion The reinforcing member is attached to the top end of the ball striking portion and abutting portion is abutted at a distal end of the grip portion. The combined bat according to claim 1, wherein the hollow rods form two joints that are engaged with each other, and are respectively provided inside the joints to be connected to the hollow rods. The reinforcing member of the inner space of the body. The combined bat according to claim 4, wherein the hollow rod body segment is provided with a ball striking portion, a slanting portion and a grip portion, the slanting portion having the ball striking portion a large-diameter end that is engaged with each other at one end, and a small-diameter end that is engaged with the one end of the grip portion, and a ring groove is provided at an outer peripheral edge of the large-diameter end of the inclined portion to provide an inner end of the ball striking portion The peripheral edge is joined to form the joint portion on the ring groove of the outer peripheral edge of the large diameter end of the inclined portion, and a ring groove is provided at the outer periphery of one end of the grip portion to provide the small diameter end of the inclined portion. The inner peripheral edge is joined to the annular groove of the outer peripheral edge of one end of the grip portion to form the joint portion, and the reinforcing member is respectively connected inside the joint portion, and the top end of the ball striking portion is closedly connected to the joint portion. The head cover portion and the end portion of the grip portion abut against abutting portion. The combination bat according to any one of claims 1 to 5, wherein the reinforcing member is adhered or integrally connected to the joint portion. The combined bat according to the second or the third or fifth aspect of the invention, wherein the ball striking portion, the oblique portion and the grip portion of the hollow rod body are made of the same material, or Different material combinations. The combined bat according to claim 2, wherein the material of the ball striking portion of the hollow rod body is selected from a PUR-containing polyurethane. High-strength plastic material of 3kgf/mm ² -9kgf/mm ² or FRP fiber reinforced plastics made of CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics ), or the strength of engineering plastics represented by PC polycarbonate or super engineering plastics represented by PEEK polymer (polyether ether ketone) is about High-strength plastic of 3kgf/mm ² -9kgf/mm ² . The combined bat according to claim 2, wherein the oblique portion of the hollow rod and the material of the grip are selected from the group consisting of light metals having a specific gravity of 1.5 to 2.9. The light metal is aluminum alloy or magnesium alloy, or FRP fiber reinforced plastics is used. The material of FRP fiber reinforced plastic is CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastic (glass fiber reinforced plastic) Plastics). The combined bat according to any one of the preceding claims, wherein the reinforcing member has a cylindrical shape or a conical tubular shape, and the reinforcing member has a body connected to the hollow rod body. The through hole of the internal space has a circular shape or a tapered shape, and the reinforcing member has a thickness of 0.1 mm to 9.5 mm, and the reinforcing member has a length of 2.5 mm to 97.5 mm. The combined bat according to any one of the preceding claims, wherein the reinforcing member has a cylindrical shape or a conical tubular shape, and the connecting member is internally provided with a connecting portion and the connecting portion A groove is formed on the upper and lower ends, and the connecting section of the reinforcing member is provided with a sound hole, the thickness of the reinforcing member is 0.1 mm to 9.5 mm, and the length of the reinforcing member is 2.5 mm to 97.5 mm. The combined bat according to any one of the preceding claims, wherein the reinforcing member has an arc-convex shape, and the top end of the reinforcing member has a plane and an end is an arc-convex circle, and the reinforcing member is reinforced. The inside of the piece is provided with a sound hole, the thickness of the reinforcing member is 0.1 mm to 9.5 mm, and the length of the reinforcing member is 2.5 mm to 97.5 mm. The combined bat according to any one of the preceding claims, wherein the reinforcing member has an arc-convex shape, and the top end and the end of the reinforcing member are respectively arc-convex circles, and the reinforcing member is reinforced. The inside of the piece is provided with a sound hole, the thickness of the reinforcing member is 0.1 mm to 9.5 mm, and the length of the reinforcing member is 2.5 mm to 97.5 mm. The combined bat according to any one of the preceding claims, wherein the reinforcing member has a cylindrical shape or a conical tubular shape, and a connecting portion is disposed inside the reinforcing member, and the connecting portion is centrally Extending a protruding long rod facing the outer side, the protruding long rod of the connecting section is placed toward the hollow rod body, and the connecting section of the reinforcing member is provided with two opposite tuning fork holes, and the reinforcing member has a thickness of 0.1 mm ～ 9.5mm, the length of the reinforcing member is 2.5mm to 97.5mm. The composite bat according to any one of claims 1 to 5, wherein the reinforcing member material is selected from a resin material having a specific gravity of 1.0 to 2.9, and the resin material is an ABS thermoplastic polymer material. (Acrylonitrile Butadiene Styrene), or use PC polycarbonate (Polycarbonate), or use FRP fiber reinforced plastics, FRP fiber reinforced plastics contain CFRP carbon fiber reinforced plastics or GFRP glass Glass fiber reinforced plastics. The combined bat according to any one of claims 1 to 5, wherein the reinforcing member material is selected from the group consisting of metal materials having a specific gravity of 1.0 to 2.9.