TW201934172A - Bat connection structure capable of alleviating impact force after ball hitting thereby reducing numbness feeling in the hands - Google Patents

Abstract

Provided is a combinational multi-segment bat structure. The bat is a hollow bat body having an inner space. The hollow bat body is provided with at least one joint portion connected and joined with each other. From the joint portion, the hollow bat body is provided with a first joint segment, wherein an inner latching unit is arranged at an inner side joint surface of one end of the first joint segment; and a second joint segment, wherein an outer latching unit is arranged at an outer side joint surface of one end of the second joint segment facing the first joint segment. With an axial or an oblique abutting joint formed by the outer latching unit of the second joint segment and the inner latching unit of the first joint segment, the connection between the first and the second joint segments is stable. Furthermore, due to the first and the second joint segments of the hollow bat body being combined with different materials, it is able to alleviate impact force after the bat hits a ball, thereby reducing numbness feeling in the hands after the ball hitting and thus improving the batting feeling.

Description

Multi-section combined bat structure

The invention relates to a bat, in particular to a multi-segment combined bat structure.

Please refer to FIG. 1-1 and FIG. 1-2. There is at least a two-stage bat 1 in the prior art. The bat 1 includes a hitting portion 11, an inclined portion 12 and a holding portion 13. The top of the hitting portion 11 is covered with a cover 14. The end of the hitting portion 11 is provided with a first fitting section 111. The inner edge of the first fitting section 111 is provided with a first sawtooth pattern 112 and the oblique section. The end of the portion 12 facing the hitting portion 11 has a second fitting section 121 combined with the first fitting section 111. An outer edge of the second fitting section 121 is provided to engage the first sawtooth pattern 112. A second zigzag pattern 122 is connected to the end of the slanted section 12 away from the second mating section 121 and has a third mating section 123. A third zigzag pattern 124 is provided on the inner edge of the third mating section 123. An end of the holding portion 13 facing the inclined section 12 has a fourth fitting section 131 combined with the third fitting section 123. An outer edge of the fourth fitting section 131 is provided with the third sawtooth. The fourth sawtooth pattern 132 is formed by the lines 124 engaging with each other.

Because the first fitting section 111 of the hitting section 11 and the second fitting section 121 of the inclined section section 12, and the third fitting section 123 of the inclined section section 12 and the holding section The mating contact surface between the fourth fitting section 131 of 13 is small. After the bat 1 is hit, the striking section 11 and the inclined section 12 and the inclined section 12 and the holding section The engagement position between 13 is easy to be loosened by the impact force, which makes it difficult to firmly bond the hitting portion 11, the inclined portion 12, and the holding portion 13 of the bat 1.

The present invention is to solve the problem that after the existing bat is hit, between the first fitting section of the striking section and the second fitting section of the inclined section section, and the third fitting section of the inclined section section The mating contact surface with the fourth fitting section of the gripping portion is small, and it is easy to be loosened by the impact force, so that the ball striking portion, the inclined section portion and the gripping portion of the bat Inconsistent issues. Thus, the present invention provides a multi-segment combined bat structure, which makes the connection position of the connection between the first and the second joint sections of the hollow bat body of the bat more stable, and increases the first and the second The bonding area between the bonding sections is used to strengthen the bonding between the first and the second bonding sections of the hollow rod body.

In order to achieve the object of the foregoing invention, the present invention is a multi-segment combined bat structure. The bat is a hollow bat body with an internal space. The hollow bat body is provided with at least one joint portion which is engaged with each other. The hollow bat body A first joint section and a second joint section that are engaged with one end of the first joint section are provided, wherein an inner latching unit is disposed on an inner joint surface of one end of the first joint section, and the inner latching unit includes at least two An inner protruding group, and at least two inner embedded channels respectively between every two adjacent inner protruding groups, each of the inner protruding groups includes a plurality of embedded protruding blocks arranged along the axial direction, and each of the embedded A mating space is formed between the protrusions and penetrates each of the internal engaging channels. An external engaging surface of the second engaging section facing one end of the first engaging section is provided with an engaging portion engaged with the inner latching unit. Outer latching unit, the outer latching unit includes at least two outer protruding groups, and at least two outer embedded channels respectively between each two adjacent outer protruding groups, and each of the outer embedded channels provides each Each of the embedded bumps of the inner protruding group is inserted, An outer protruding group includes a plurality of engaging protrusions arranged along the axial direction, and each of the engaging protrusions forms an engaging space that penetrates with each of the external engagement channels, and each of the engaging spaces Each of the embedded projections of each of the inner protruding groups is provided to be rotated and inserted respectively, so that the outer locking unit of the second engaging section of the hollow rod body and the inner locking unit of the first engaging section An axially opposing relationship is formed, and one end of the second engaging section is provided to be fixed in one end of the first engaging section.

Furthermore, the engaging portion of the hollow rod body is one, the first engaging portion of the hollow rod body is a hitting portion, and the second engaging portion is a grip integrally connected with a small diameter end of an inclined portion. The holding portion, or the first engaging portion is a ball striking portion connected integrally with the large-diameter end of an oblique portion, and the second engaging portion is a holding portion, and is connected to the top end of the ball striking portion. A head cover portion abuts an abutting portion at the end of the holding portion, the abutting portion has a base at one end, and a convex rod that is far from the base and descends stepwise from the outer diameter of the base, the convex rod Used for internally engaging with the end of the holding part, or integrally combining the abutting part with the end of the holding part; wherein the inner latching unit of the first engaging section is disposed when the ball striking part faces the oblique The inner joint surface of one end of the large diameter end of the segment portion, or the inner joint surface of the small diameter end of the slanted segment portion connected integrally with the hitting portion, and the outer latch unit of the second joint segment is disposed on the The outer joint surface of the large-diameter end of the slanted section where the grip is connected integrally, or is provided on the The outer joint surface of one end of the holding portion facing the small diameter end of the inclined portion, and each of the external engagement channels of the external latching unit provided at the large diameter end of the inclined portion is used to provide one end of the hitting portion, respectively. Each of the internal projections of the inner latching unit provided is provided with each of the engaging projections, or each of the outer engaging channels of the outer latching unit provided at one end of the holding portion is provided separately. Each of the engaging projections of each of the inner protruding groups of the inner latching unit provided at the small-diameter end of the oblique section portion is inserted into the inner portion of the hitting portion at an inner joint surface of the inner striking surface. Each of the engaging projections of the latching unit and each of the engaging spaces penetrating each of the external engaging channels of the outer latching unit provided on the outer joint surface of the large-diameter end of the inclined section. Correspondingly, each of the engaging projections of the inner latching unit provided on the inner joint surface of the small-diameter end of the oblique section and the outer joint surface provided on one end of the holding portion Each of the engaging spaces penetrating each of the external engaging channels of the external latching unit is correspondingly inserted, so that The outer latching unit at the diameter end rotates within one end of the hitting portion, or the outer latching unit at one end of the gripping portion rotates within the small diameter end of the slanted portion, so that one end of the hitting portion The position of each of the engaging projections of the inner latching unit at each of the engaging spaces of the outer latching unit at the large diameter end of the slanted section, and the position of the large diameter end of the slanting section Each of the engaging projections of the outer latching unit is located at each of the fitting spaces of the inner latching unit at one end of the hitting portion, or the inner latching of the small-diameter end of the inclined portion A position of each of the engaging projections of the unit at each of the engaging spaces of the outer latching unit at one end of the holding portion, and a position of each of the outer latching units at one end of the holding portion The engaging projections are respectively located at each of the fitting spaces of the inner latching unit at the small diameter end of the inclined section to perform each of the engaging of the outer latching unit at the large diameter end of the inclined section. A convex block forms an axially abutting relationship with each of the engaging convex blocks of the inner latching unit at one end of the hitting portion, respectively. , The large-diameter end of the inclined section is fixed in one end of the hitting section, or each of the engaging projections of the outer latching unit that performs one end of the gripping section is respectively connected with the Each of the engaging protrusions of the inner latching unit at the small diameter end forms an axial abutment relationship, and one end of the holding portion is provided to be fixed in the small diameter end of the inclined section portion.

Furthermore, the joint portion of the hollow rod body is two, and the hollow rod body further includes: a third joint section, wherein the other end of the second joint section far from the first joint section and the third joint section Combined, and the inner latching unit is provided on the inner joint surface of one end of the first joint section, and the inner joint surface of one end of the second joint section facing the first joint section is provided with the inner end of one end of the first joint section. The outer latching unit to which the latching unit is engaged, the inner latching surface of the other end of the second engaging segment is provided with the inner latching unit, and the third engaging segment faces an outer engaging surface of one end of the other end of the second engaging segment. An outer latching unit which is engaged with the inner latching unit at the other end of the second engaging section is provided, so that the outer latching unit at one end of the second engaging section of the hollow rod body and the first engaging section The inner latching unit forms an axially abutting relationship, and the outer latching unit of the third engaging section forms an axially abutting relationship with the inner latching unit at the other end of the second engaging section, providing the first One end of the two joint sections is fixed to the first joint section. Inside, and one end providing the third engaging section is fixed in the other end of the second engaging section; wherein the first engaging section of the hollow rod body is a hitting portion, and the third engaging section is a grip Holding part, the second engaging section is an inclined section connecting the hitting section and the holding section, the large diameter end of the inclined section is connected to one end of the striking section, and the small diameter end of the inclined section is connected The holding part is provided with a head cover part at the top end of the hitting part, and an abutting part is abutted at the end of the holding part. The abutting part has a base at one end, and a distance away from the base. A stepped convex rod is gradually reduced from the outer diameter of the base, and the convex rod is used to internally engage with the end of the holding portion, or the abutting portion and the end of the holding portion are integrally combined; wherein, the first The inner latching unit of the engaging section is disposed on an inner joint surface of an end of the hitting portion facing the large-diameter end of the inclined section, and the inner engaging unit of the second engaging section is disposed on the small-diameter end of the inclined section. An inner engaging surface, and the outer latching unit of the second engaging section is disposed at a large diameter end of the inclined section The side engaging surface and the outer engaging unit of the third engaging section are provided on the outer engaging surface of one end of the holding portion facing the small-diameter end of the inclined section, and the outer portion provided on the large-diameter end of the inclined section is used. Each of the outer engaging channels of the latching unit respectively provides each of the engaging projections of each of the inner protruding groups of the inner latching unit provided at one end of the hitting portion, and the holding portion Each of the outer engaging channels of the outer latching unit provided at one end of the outer portion respectively provides each of the engaging projections of each of the inner protruding groups of the inner latching unit provided at the small diameter end of the inclined portion. And insert each of the engaging projections of the inner latching unit provided on the inner joint surface of one end of the hitting portion with the outer joint surface provided on the outer joint surface of the large-diameter end of the inclined section portion. Each of the engaging spaces penetrating each of the outer engaging channels of the outer latching unit is correspondingly inserted, and each of the inner latching units provided on the inner joint surface of the small diameter end of the inclined section is The engaging projections engage with each of the external latching units provided on an outer joint surface of one end of the holding portion. Each of the engaging spaces penetrating through the channel is correspondingly inserted, so that the outer latching unit of the large-diameter end of the oblique section part rotates in one end of the hitting part, and the outer card of one end of the holding part The detent unit rotates within the small diameter end of the inclined section, so that each of the engaging projections of the inner detent unit at one end of the ball striking section is the outer detent unit of the large diameter end of the oblique section. The position of each of the engaging spaces, and each of the engaging projections of the outer latching unit of the large diameter end of the inclined section at each of the inner latching units at one end of the hitting portion The position of the fitting space, and each of the engaging projections of the inner latching unit at the small diameter end of the inclined section portion is respectively engaged with each of the outer latching unit at one end of the gripping portion The position of the space, and the position of each of the fitting spaces of the inner latching unit where each of the engaging projections of the outer latching unit at one end of the grip portion is at the small diameter end of the inclined section, Each of the engaging projections of the outer latching unit of the large-diameter end of the oblique section is respectively connected with the Each of the engaging projections of the inner latching unit at the end forms an axially abutting relationship, and each of the engaging projections of the outer latching unit that performs one end of the gripping portion is respectively connected to the inclined section. Each of the engaging projections of the inner latching unit of the small-diameter end of the portion forms an axially abutting relationship, the large-diameter end providing the inclined section portion is fixed in one end of the ball striking portion, and the holding is provided One end of the portion is fixed in the small-diameter end of the inclined portion.

Furthermore, the range of the outer latching unit at one end of the second engaging section of the hollow rod body toward the inner latching unit at one end of the first engaging section ranges from 20 degrees to 270 degrees.

Further, the outer latching unit at one end of the second engaging section of the hollow rod body is turned within the range of 20 degrees to 270 degrees toward the inner latching unit at one end of the first engaging section, and the third engaging section A range of rotation of the outer latching unit at one end toward the inner latching unit at the other end of the second engaging section is 20 degrees to 270 degrees.

Further, each of the internal engaging channels, each of the engaging projections and each of the fitting spaces of the inner latching unit provided on the inner engaging surface of the hollow rod body, and the outer engaging surface of the hollow rod body. Each of the external engagement channels, each of the engaging projections, and each of the engaging spaces of the external latching unit is a combined rectangular shape; wherein the inner surface of the hollow rod body is provided with the inner A step difference between each of the engaging projections and each of the internal engagement channels of the latching unit, and each of the external engaging channels and each of the engaging projections of the external latching unit provided on the outer joint surface It is 1.0 mm to 3.0 mm.

Furthermore, the range of each of the engaging projections and each of the inner engaging channels of the inner latching unit configured on the inner engaging surface of the hollow rod body is the length of the inner engaging surface of the engaging portion along the axis. From 50% to 90% of the direction, the range of each of the external engagement channels and each of the engaging projections of the external latching unit arranged on the outer joint surface of the hollow rod body is the joint portion. The length of the outer joint surface is 50% or more and 90% or less in the axial direction.

Furthermore, each of the engaging projections and each of the internal engagement channels of the inner latching unit provided on the inner joint surface of the hollow rod body is respectively connected with the outer card of the outer rod joint surface of the hollow rod body. Each of the outer engaging channels of the detent unit and each of the engaging projections are fixed to each other by rubber material or viscoelastic resin.

Furthermore, the first joint section and the second joint section of the hollow rod body are composed of the same material or a combination of different materials.

Furthermore, the hitting portion, the inclined portion and the holding portion of the hollow rod body are made of the same material, or the three are different material combinations, wherein the hitting portion, the inclined portion and the holding The material of the part is selected from light metals with a specific gravity of 1.5 to 2.9. The light metals are aluminum alloy or magnesium alloy, or FRP made of CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics. Fiber-reinforced plastics, or high-strength plastic materials with a strength of 5kgf / mm ² containing PC polycarbonate, or engineering plastics represented by PC polycarbonate ), Or high-strength plastics made of super engineering plastics represented by PEEK polymer materials (polyether ether ketone) with a strength of 3kgf / mm ^{2 to} 9kgf / mm ² .

A multi-segment combined bat structure, the bat is a hollow bat body with an internal space, the hollow bat body is provided with at least one joint portion which is engaged with each other, the hollow bat body is provided with a first joint section and a connection with the A second joint section where one end of the first joint section is joined, wherein an inner latching unit is disposed on an inner joint surface of one end of the first joint section, and the inner latching unit includes a plurality of engaging protrusions arranged obliquely, And a plurality of oblique internal engaging channels respectively between each two adjacent engaging projections, the second engaging section is provided with an inner card on the outer engaging surface facing one end of the first engaging section. The outer latching unit is engaged with the latching unit. The outer latching unit includes a plurality of engaging protrusions arranged obliquely, and a plurality of inclined protrusions which are interposed between every two adjacent engaging protrusions. Each external engagement channel provides each of the embedded projections of the internal latching unit to be rotated and inserted, so that each of the engaging projections of the external latching unit is respectively located in the The position of each of the embedded channels of the inner latching unit makes the hollow rod body the Two engaging segments engaging the outer inclined section is formed with abutting relation to the first engagement section of the inner engaging means provided within one end fixed to one end of the first section engages the second engagement section.

Furthermore, the engaging portion of the hollow rod body is one, the first engaging portion of the hollow rod body is a hitting portion, and the second engaging portion is a grip integrally connected with a small diameter end of an inclined portion. The holding portion, or the first engaging portion is a ball striking portion connected integrally with the large-diameter end of an oblique portion, and the second engaging portion is a holding portion, and is connected to the top end of the ball striking portion. A head cover portion abuts an abutting portion at the end of the holding portion, the abutting portion has a base at one end, and a convex rod that is far from the base and descends stepwise from the outer diameter of the base, the convex rod Used for internally engaging with the end of the holding part, or integrally combining the abutting part with the end of the holding part; wherein the inner latching unit of the first engaging section is disposed when the ball striking part faces the oblique The inner joint surface of one end of the large diameter end of the segment portion, or the inner joint surface of the small diameter end of the slanted segment portion connected integrally with the hitting portion, and the outer latch unit of the second joint segment is disposed on the The outer joint surface of the large-diameter end of the slanted section where the grip is connected integrally, or is provided on the The outer joint surface of one end of the holding portion facing the small diameter end of the inclined portion, and each of the external engagement channels of the external latching unit provided at the large diameter end of the inclined portion is used to provide one end of the hitting portion, respectively. Each of the engaging projections of the inner latching unit provided or each of the outer engaging channels of the outer latching unit provided at one end of the holding portion respectively provides a small diameter of the inclined portion Each of the engaging projections of the inner latching unit provided at the end is rotated, so that the outer latching unit of the large diameter end of the slanted section is rotated within one end of the hitting portion, or the holding portion The outer latching unit at one end rotates within the small-diameter end of the inclined section, so that each of the engaging projections of the inner latching unit at one end of the ball striking section is at the large-diameter end of the inclined section. The position of each of the external engagement channels of the external latching unit, and each of the engaging projections of the external latching unit of the large diameter end of the oblique section at the inner card at one end of the hitting portion The position of each of the inward engagement channels of the latching unit, or each of the inner latching units of the small diameter end of the inclined section The receiving projections are respectively located at each of the external engagement channels of the external locking unit at one end of the holding portion, and each of the engaging projections of the external locking unit at one end of the holding portion are respectively At the position of each of the internal engagement channels of the inner latching unit at the small diameter end of the inclined section, to perform each of the engaging projections of the outer latching unit at the large diameter end of the inclined section, respectively Form an obliquely abutting relationship with each of the engaging projections of the inner latching unit at one end of the hitting portion, and provide a large diameter end of the inclined portion to be fixed in one end of the hitting portion, or Each of the engaging projections of the outer latching unit at one end of the gripping portion respectively forms an oblique resistance with each of the engaging projections of the inner latching unit at the small-diameter end of the inclined section. In relation, it is provided that one end of the grip portion is fixed in the small-diameter end of the inclined portion.

Furthermore, the joint portion of the hollow rod body is two, and the hollow rod body further includes: a third joint section, wherein the other end of the second joint section far from the first joint section and the third joint section Combined, and the inner latching unit is provided on the inner joint surface of one end of the first joint section, and the inner joint surface of one end of the second joint section facing the first joint section is provided with the inner end of one end of the first joint section. The outer latching unit to which the latching unit is engaged, the inner latching surface of the other end of the second engaging segment is provided with the inner latching unit, and the third engaging segment faces an outer engaging surface of one end of the other end of the second engaging segment. An outer latching unit which is engaged with the inner latching unit at the other end of the second engaging section is provided, so that the outer latching unit at one end of the second engaging section of the hollow rod body and the first engaging section The inner latching unit forms an obliquely opposing relationship, and the outer latching unit of the third engaging section forms an obliquely opposing relationship with the inner latching unit at the other end of the second engaging section, providing One end of the second joint section is fixed to the first joint One end of the hollow rod body, and one end of the third engaging section is fixed in the other end of the second engaging section; wherein the first engaging section of the hollow rod body is a hitting part, and the third engaging section is a The gripping part, the second engaging section is a slanted section connecting the ball striking part and the gripping part, the large diameter end of the slanted section part is connected to one end of the ball striking part, and the small diameter end of the slanted section part The holding part is connected, and a head cover part is provided on the top end of the hitting part, and an abutting part is abutted at the end of the holding part. The abutting part has a base at one end, and a base away from the base. And a stepped convex rod is gradually decreased from the outer diameter of the base, and the convex rod is used for internally engaging with the end of the holding part, or the abutting part and the end of the holding part are integrally combined; wherein, the first The inner latching unit of an engaging section is disposed on an inner joint surface of an end of the hitting portion facing the large diameter end of the inclined section, and the inner latching unit of the second engaging section is provided at a small diameter of the inclined section. The inner engaging surface of the end, and the outer latching unit of the second engaging section is arranged at the large diameter of the inclined section The outer joint surface of the third joint section and the outer engaging unit of the third joint section are provided at the outer joint surface of the grip portion facing one end of the small diameter end of the oblique section, using the large diameter end of the oblique section Each of the external engagement channels of the outer latching unit respectively provides the insertion of each of the engaging projections of the inner latching unit provided at one end of the hitting portion, and the outer engagement of the outer portion provided at one end of the holding portion. Each of the outer engaging channels of the latching unit respectively provides each of the engaging projections of the inner latching unit provided at the small-diameter end of the inclined section, so that the large-diameter end of the inclined section is The outer latching unit rotates within one end of the hitting portion, and the outer latching unit at one end of the gripping portion rotates within the small diameter end of the inclined portion, so that the inner end of one end of the hitting portion A position of each of the engaging projections of the latching unit at each of the external engaging channels of the outer latching unit of the large-diameter end of the slanted section, and the outer card of the large-diameter end of the slanting section Each of the engaging protrusions of the latching unit is respectively engaged with each of the inner latching units of the inner latching unit at one end of the hitting portion. The position of the channel, and each of the engaging projections of the inner latching unit of the small diameter end of the inclined section at each of the outer engaging channels of the outer latching unit at one end of the holding portion. A position, and a position where each of the engaging projections of the outer latching unit at one end of the holding portion is at each of the inner engaging channels of the inner latching unit at the small diameter end of the inclined section, Each of the engaging projections of the outer latching unit at the large diameter end of the inclined section is formed obliquely with each of the engaging projections of the inner latching unit at one end of the hitting portion. The abutting relationship, and each of the engaging projections of the outer latching unit that performs one end of the gripping portion, and each of the engaging projections of the inner latching unit of the small diameter end of the inclined section, respectively. Forming an oblique opposing relationship, the large-diameter end provided with the inclined section is fixed in one end of the hitting section, and the end provided with the gripping section is fixed in the small-diameter end of the inclined section.

Furthermore, the range of the outer latching unit at one end of the second engaging section of the hollow rod body toward the inner latching unit at one end of the first engaging section ranges from 20 degrees to 270 degrees.

Further, the outer latching unit at one end of the second engaging section of the hollow rod body is turned within the range of 20 degrees to 270 degrees toward the inner latching unit at one end of the first engaging section, and the third engaging section A range of rotation of the outer latching unit at one end toward the inner latching unit at the other end of the second engaging section is 20 degrees to 270 degrees.

Furthermore, each of the inner engaging channels and each of the engaging projections provided on the inner engaging surface of the hollow rod body, and each of the outer engaging unit provided on the outer engaging surface. The outer engagement channel and each of the engaging projections are combined oblique shapes, respectively; wherein each of the engagement projections and each of the inner latching units provided on the inner joint surface of the hollow rod body. A step between the internal engaging channel and each of the external engaging channels and each of the engaging projections of the external latching unit provided on the outer joint surface is 1.0 mm to 3.0 mm.

Furthermore, the range of each of the engaging projections and each of the inner engaging channels of the inner latching unit configured on the inner engaging surface of the hollow rod body is the length of the inner engaging surface of the engaging portion along the axis. From 50% to 90% of the direction, the range of each of the external engagement channels and each of the engaging projections of the external latching unit arranged on the outer joint surface of the hollow rod body is the joint portion. The length of the outer joint surface is 50% or more and 90% or less in the axial direction.

Furthermore, each of the engaging projections and each of the internal engagement channels of the inner latching unit provided on the inner joint surface of the hollow rod body is respectively connected with the outer card of the outer rod joint surface of the hollow rod body. Each of the outer engaging channels of the detent unit and each of the engaging projections are fixed to each other by rubber material or viscoelastic resin.

Furthermore, the first joint section and the second joint section of the hollow rod body are composed of the same material or a combination of different materials.

Furthermore, the hitting portion, the inclined portion and the holding portion of the hollow rod body are made of the same material, or the three are different material combinations, wherein the hitting portion, the inclined portion and the holding portion are The material of the part is selected from light metals with a specific gravity of 1.5 to 2.9. The light metals are aluminum alloy or magnesium alloy, or FRP made of CFRP carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics. Fiber-reinforced plastics, or high-strength plastic materials with a strength of 5kgf / mm ² containing PC polycarbonate, or engineering plastics represented by PC polycarbonate ), Or high-strength plastics made of super engineering plastics represented by PEEK polymer materials (polyether ether ketone) with a strength of 3kgf / mm ^{2 to} 9kgf / mm ² .

Compared with the existing bat structure, the multi-stage combined bat structure of the present invention has the following characteristics:

According to the multi-segment combined bat structure of the present invention, the hollow bat body of the bat uses the inner latching unit provided on the inner joint surface of one end of the first joint section and the outer card provided on the outer joint surface of the second joint section The latching units are engaged and resisted to each other, so that the connection between the first and second joint sections is more stable, and the joint area between the first and second joint sections is increased to strengthen the hollow rod. The first and the second joints of the body are combined, and the first and the second joints of the hollow bat body are made of different materials, which effectively reduces the impact force of the bat after hitting the ball, In order to reduce the numbness after playing, improve the feel.

The following is a detailed description of how the structures of the present invention are combined and used in conjunction with the accompanying drawings. It should be easier to understand the purpose, technical content, features and effects achieved by the present invention.

Before the present invention is described in detail, it should be noted that, in the following description, the same elements are represented by the same numbers.

Please refer to the first and second embodiments shown in FIGS. 2-1 to 3-2. The present invention provides a multi-segment combined bat structure. The bat 2 is a hollow bat body having an inner space 300. 3. The hollow rod body 3 is provided with at least one joint portion 30 engaged with each other. The hollow rod body 3 is provided with a first joint section from the joint section 30. An inner card is provided on an inner joint surface of one end of the first joint section. The latching unit 311 and a second engaging segment are provided with an outer latching unit 321 on an outer engaging surface of one end of the second engaging segment facing the first engaging segment. The second engaging segment of the hollow rod body 3 is used The outer latching unit 321 and the inner latching unit 311 of the first engaging section form an axial abutting relationship, and one end of the second engaging section is provided to be fixed in one end of the first engaging section.

Please refer to the first and second embodiments shown in FIG. 2-1 to FIG. 3-2. The hollow rod body 3 forms one joint portion 30 that engages with each other. The hollow rod body 3 is provided with the joint portion 30. The first and the second joint section, wherein the first joint section of the hollow rod body 3 is a hitting portion 31, and the second joint section is integrally connected with a small diameter end 3200 of an inclined section portion 32 The gripping portion 33, or the first engaging segment is a ball striking portion 31 connected integrally with the large-diameter end 320 of an inclined segment portion 32, and the second engaging segment is a gripping portion 33, or as shown in FIG. 4 to In the third embodiment shown in FIG. 6, the number of the joints 30 is two, and the hollow rod body 3 further includes a third joint, wherein the second joint is far from the first joint. One end is combined with the third joint section. Wherein, the inner latching unit 311 is provided on the inner joint surface of one end of the first joint section, and the inner card is connected to the outer joint surface of one end of the second joint section facing the first joint section and one end of the first joint section. The outer latching unit 321 is engaged with the latching unit 311. The inner latching surface of the other end of the second engaging segment is provided with the inner latching unit 311, and the third engaging segment faces outside of the other end of the second engaging segment. An outer latching unit 321 engaged with the inner latching unit 311 at the other end of the second joint segment is provided on the joint surface, so that the outer latching unit 321 at one end of the second joint segment of the hollow rod body 3 and The inner latching unit 311 of the first engaging segment forms an axially abutting relationship, and the outer latching unit 321 of the third engaging segment and the inner latching unit 311 at the other end of the second engaging segment form a shaft. Abutting the relationship, one end providing the second engaging section is fixed in one end of the first engaging section, and one end providing the third engaging section is fixed in the other end of the second engaging section. Wherein, the first engaging section of the hollow rod body 3 is a hitting section 31, the third engaging section is a holding section 33, and the second engaging section is a connection between the hitting section 31 and the holding The slanted section 32 of the part 33, the large-diameter end 320 of the slanted section 32 is connected to one end of the hitting part 31, and the small-diameter end 3200 of the slanted section 32 is connected to the holding part 33, or the joint part 30 is A plurality of them are arranged at any position of the hollow rod body 3.

Referring to the first, second and third embodiments shown in FIGS. 2-1 to 6, the inner latching unit 311 is disposed at the large-diameter end of the hitting portion 31 facing the inclined portion 32. The inner engaging surface of one end 310 of the 320 or / and the inner engaging surface of the small-diameter end 3200 of the slanted section 32 that is integrally connected to the ball striking portion 31, the inner latching unit 311 includes at least two inner protrusions Groups 312, 326, and at least two embedded channels 313, 327 between each two adjacent inner protruding groups 312, 326, each of the inner protruding groups 312, 326 includes a plurality of axially arranged The engaging projections 314 and 328 are formed between each of the engaging projections 314 and 328, and the engaging spaces 315 and 329 are connected with each of the internal engaging channels 313 and 327. The outer latching unit 321 is It is provided on the outer joint surface of the large-diameter end 320 of the slanted section 32 that is integrally connected with the gripping section 33, or / and at the end 330 of the gripping section 33 facing the small-diameter end 3200 of the slanted section 32. On the outer joint surface, the outer latching unit 321 includes at least two outer protruding groups 322 and 331, and at least two are respectively between every two adjacent outer protruding groups 322 and 331. Outer engagement channels 323 and 332, and each of the outer engagement channels 323 and 332 respectively provides each of the engagement projections 314 and 328 of each of the inner protruding groups 312 and 326 of the inner latching unit 311, Each of the outer protruding groups 322 and 331 includes a plurality of engaging protrusions 324 and 333 arranged along the axial direction. Each of the engaging protrusions 324 and 333 forms a pair of external engagement channels 323 and 332. The interlocking engaging spaces 325 and 334 are aligned with each of the engaging protrusions 314 and 328 corresponding to each of the inner protruding groups 312 and 326, so that the Each of the outer engaging channels 323 of the outer latching unit 321 of the large-diameter end 320 respectively provides each of the inner protruding groups 312 of the inner latching unit 311 provided at one end 310 of the ball striking portion 31. An engaging projection 314 is inserted, or each of the external engaging channels 332 of the external latching unit 321 provided at one end 330 of the holding portion 33 is respectively provided at the inclined section 32. Each of the engaging projections 328 of the inner latching unit 311 of the inner latching unit 311 of the small diameter end 3200 is inserted, and then each of the engaging projections 328 provided on the inner joint surface of the one end 310 of the hitting portion 31 is inserted. One should embed The convex block 314 is correspondingly inserted into each of the engaging spaces 325 penetrating each of the external engagement channels 323 provided on the outer joint surface of the large-diameter end 320 of the inclined section 32, and provided in the inclined section. Each of the engaging projections 328 on the inner joining surface of the small-diameter end 3200 of the portion 32 is connected to each of the outer engaging channels 332 provided on the outer joining surface of the one end 330 of the holding portion 33. An engaging space 334 is correspondingly inserted, so that the outer latching unit 321 of the large-diameter end 320 of the slanted section 32 rotates within one end 310 of the striking portion 31 or / and one end 330 of the holding portion 33 The outer latching unit 321 rotates within the small-diameter end 3200 of the inclined section 32, so that each of the engaging projections 314 of the inner latching unit 311 of one end 310 of the ball striking section 31 is respectively at the oblique. The position of each of the engaging spaces 325 of the outer latching unit 321 of the large-diameter end 320 of the section 32 and each of the engaging of the outer latching unit 321 of the large-diameter end 320 of the inclined section 32 The protrusions 324 are respectively located at each of the fitting spaces 315 of the inner latching unit 311 of one end 310 of the hitting portion 31 or / and the small diameter end 3200 of the inclined portion 32 Each of the engaging projections 328 of the latching unit 311 is at a position of each of the engaging spaces 334 of the outer latching unit 321 of one end 330 of the holding portion 33 and one end 330 of the holding portion 33. Each of the engaging projections 333 of the outer latching unit 321 is at a position of each of the fitting spaces 329 of the inner latching unit 311 of the small diameter end 3200 of the slanted section 32, respectively, to perform the slanting. Each of the engaging protrusions 324 of the outer locking unit 321 of the large-diameter end 320 of the segment portion 32 is respectively connected to each of the engaging protrusions of the inner locking unit 311 of one end 310 of the hitting portion 31. 314 form an axially opposing relationship with each other and are combined, or / and each of the engaging protrusions 333 of the outer latching unit 321 of the one end 330 of the gripping portion 33 is respectively a small diameter of the inclined section portion 32 Each of the engaging projections 328 of the inner latching unit 311 of the end 3200 forms an axial abutment relationship with each other and is combined, so that the large-diameter end 320 of the slanted section 32 is fixed to one end 310 of the hitting section 31. Inside, or / and one end 330 of the holding portion 33 is fixed in the small-diameter end 3200 of the inclined portion 32 to provide each of the joint portions of the hollow bat body 3 of the bat 2 The connection position between 30 joints is more stable.

Please refer to FIGS. 2-1 to 6 again, when the present invention is assembled, each of the engagements of the outer latching unit 321 provided on the outer joint surface of the large-diameter end 320 of the inclined section 32 is provided. The projections 324 are respectively inserted into the inner engaging channels 313 of the inner latching unit 311 of the inner engaging surface of the one end 310 of the ball striking portion 31 so that the large-diameter end 320 of the slanted section 32 is outside. After each of the engaging projections 324 of the joint surface is aligned with each of the engaging spaces 315 of the inner joint surface of one end 310 of the ball striking portion 31, the large-diameter end 320 of the inclined section 32 will be aligned. After the outer latching unit 321 is rotated within a range of 20 degrees to 270 degrees in one end 310 of the striking portion 31, each of the outer latching units 321 of the large diameter end 320 of the slanted section 32 is rotated. The engaging projections 324 are in axial abutment relationship with each of the engaging projections 314 of the inner latching unit 311 of one end 310 of the ball striking portion 31, and are used to provide the inclined section 32. The large-diameter end 320 is fixed in one end 310 of the hitting part 31 and can be combined, or / and the outer latching unit 321 provided on the outer joint surface of one end 330 of the gripping part 33 An engaging protrusion 333 is respectively inserted into each of the inner engaging channels 327 of the inner latching unit 311 of the inner latching unit 311 facing the inner joint surface of the small-diameter end 3200 of the inclined section 32, so that the holding portion 33 Each of the engaging projections 333 provided on the outer joint surface of the one end 330 is aligned with each of the fitting spaces 329 on the inner joint surface of the small-diameter end 3200 of the inclined section 32, respectively, so that the holding After the outer latching unit 321 at one end 330 of the portion 33 is rotated within a range of 20 degrees to 270 degrees in the small diameter end 3200 of the inclined portion 32, the outer latching unit at one end 330 of the holding portion 33 is rotated. Each of the engaging projections 333 of 321 and each of the engaging projections 328 of the inner latching unit 311 of the small-diameter end 3200 of the inclined section 32 form an axially abutting relationship with each other, and are used for One end 330 provided with the gripping portion 33 is fixed in the small-diameter end 3200 of the slanted section 32 and can be combined so that the large-diameter end 320 of the slanted section 32 of the bat 2 and the striking section 31 A connection position between one end 310 or / and an end 330 of the gripping portion 33 and a small diameter end 3200 of the inclined portion 32 is more tightly secured to strengthen the ball The combination between the hitting portion 31 of the stick 2 and the large-diameter end 320 of the slanted section 32 or / and the small-diameter end 3200 of the slanted section 32 and the grip 33 is more stable. And increase the joint area between the large-diameter end 320 of the inclined section 32 and the one end 310 of the hitting section 31 or / and the end 330 of the gripping section 33 and the small-diameter end 3200 of the inclined section 32 To strengthen the structure of the bat 2 so that the design effect of the bat 2 is not reduced, and the overall strength and design of the bat 2 can be improved, so as to reduce the impact of the bat 2 after hitting the ball. The force reduces the hand numbness after playing, improves the playing feel, and makes the bat 2 more durable.

Referring again to FIGS. 2-1 to 6, each of the inner latching units 311 provided on the inner joint surface of the end 310 of the ball striking portion 31 facing the large-diameter end 320 of the slanted section 32. An inner embedding channel 313, each of the embedding projections 314 and each of the fitting spaces 315, or / and a small diameter end 3200 of the inclined section portion 32 which is integrally connected with the ball striking portion 31 Each of the inner engaging channels 327, each of the engaging projections 328, and each of the fitting spaces 329 of the inner latching unit 311 on the inner joint surface is provided integrally with the holding portion 33. Each of the external engagement channels 323, each of the engaging projections 324 and each of the engaging spaces 325 of the external engaging unit 321 of the external engaging surface of the large-diameter end 320 of the inclined section 32, or / And each of the outer engaging channels 332 and each of the engaging portions of the outer latching unit 321 provided on an outer joint surface of the holding portion 33 facing the one end 330 of the small diameter end 3200 of the inclined section portion 32 The convex block 333 and each of the engaging spaces 334 are rectangular shapes that are engaged with each other, but the embodiment is not limited thereto.

For other possible embodiments of the multi-segment combined bat structure of the present invention, as shown in FIG. 7 to FIG. 9, in the fourth embodiment of the present invention, the hollow bat body 3a of the bat 2a has an internal space 300a, and the hollow There are one or two or more joint portions 30a formed by the rod bodies 3a to be engaged with each other. As shown in FIGS. 7 to 9, the hollow bat body 3 a of the bat 2 a is substantially the same as the joint portion of the hollow bat body 3 of the bat 2 as shown in FIGS. 2-1 to 3-2. 30 is one, and the joint portion 30 of the hollow bat body 3 of the bat 2 shown in FIG. 4 to FIG. 6 is substantially the same, except that the first of the hollow bat body 3a is the first An inner latching unit 311a is provided on the inner joint surface of one end of the joint section, and the inner joint surface of the second joint section of the hollow rod body 3a facing one end of the first joint section is provided with the inner end of the first joint section. The latching unit 311a is engaged with the outer latching unit 321a in an oblique direction. An inner latching unit 311a is provided on the inner joint surface of the other end of the second joint section of the hollow rod body 3a, and the third joint section faces the An outer engaging surface at the other end of the other end of the second engaging section is provided with an outer engaging unit 321a which is engaged with the inner latching unit 311a at the other end of the second engaging section in an oblique direction, so that the first part of the hollow rod body 3a The outer latching unit 321a at one end of the two engaging sections forms an obliquely opposing relationship with the inner latching unit 311a at one end of the first engaging section. And the outer latching unit 321a at one end of the third engaging segment forms an obliquely opposing relationship with the inner latching unit 311a at the other end of the second engaging segment, providing one end of the second engaging segment is fixed to the first One end of the engaging section, and one end providing the third engaging section is fixed in the other end of the second engaging section.

As shown in FIG. 7 to FIG. 9, the first engaging segment of the hollow bat body 3 a of the bat 2 a is a hitting portion 31 a, the third engaging segment is a holding portion 33 a, and the first engaging portion The two engaging sections are a slanted section 32a connecting the ball striking section 31a and the gripping section 33a. A large diameter end 320a of the slanted section 32a is connected to an end of the ball striking section 31a. The small-diameter end 3200a is connected to the grip portion 33a. Wherein, the inner latching unit 311a provided on the inner joint surface of one end 310a of the hitting portion 31a and the small-diameter end 3200a of the inclined portion 32a includes a plurality of engaging protrusions 314a arranged in an oblique direction, 328a, and a plurality of oblique inward engagement channels 313a, 327a between each two adjacent embedding projections 314a, 328a, and are disposed at the large diameter end 320a of the inclined section 32a and the The outer latching unit 321a on the outer joint surface of one end 330a of the holding portion 33a includes a plurality of engaging protrusions 324a, 333a arranged obliquely, and a plurality of each of the two adjacent engaging protrusions. The external engagement channels 323a and 332a are inclined between 324a and 333a, and each of the external engagement channels 323a and 332a provides each of the engagement projections 314a and 328a of the inner latching unit 311a. Each of the outer engaging channels 323a of the outer latching unit 321a provided at the large-diameter end 320a of the inclined section portion 32a is provided with each of the inner latching unit 311a of one end 310a of the ball striking portion 31a. The engaging projection 314a is inserted, and each of the external engaging channels 332a of the external locking unit 321a of the one end 330a of the holding portion 33a is divided into Each of the engaging projections 328a of the inner latching unit 311a that provides the small-diameter end 3200a of the inclined section 32a will place the outer latching unit 321a of the large-diameter end 320a of the inclined section 32a at One end 310a of the hitting portion 31a is turned inward, and the outer latching unit 321a of one end 330a of the holding portion 33a is turned in the small diameter end 3200a of the inclined portion 32a, so that one end of the hitting portion 31a The position of each of the engaging projections 314a of the inner locking unit 311a of 310a at each of the outer engaging channels 323a of the outer locking unit 321a of the outer locking unit 321a at the large diameter end 320a of the inclined section 32a, and Each of the engaging projections 324a of the outer latching unit 321a of the large-diameter end 320a of the slanted section 32a is engaged with each of the inner latching units 311a of one end 310a of the hitting portion 31a. The position of the road 313a, and each of the engaging projections 328a of the inner latching unit 311a of the small diameter end 3200a of the slanted section 32a are respectively at the outer latching unit 321a of one end 330a of the holding portion 33a The position of each of the external engagement channels 332a, and each of the engaging projections 333a of the external latching unit 321a of one end 330a of the holding portion 33a Pin the position of each of the inner engaging channels 327a of the inner locking unit 311a of the small diameter end 3200a of the inclined section 32a to perform the outer locking unit 321a of the large diameter end 320a of the inclined section 32a. Each of the engaging projections 324a and each of the engaging projections 314a of the inner latching unit 311a of one end 310a of the ball striking portion 31a form an obliquely opposing relationship with each other and are combined, and perform the Each of the engaging protrusions 333a of the outer latching unit 321a at one end 330a of the gripping portion 33a is respectively engaged with each of the engaging protrusions of the inner latching unit 311a of the small diameter end 3200a of the inclined portion 32a. The blocks 328a form an oblique opposing relationship with each other and are combined, for the large-diameter end 320a of the inclined section 32a to be fixed in one end 310a of the hitting section 31a, and for the one end 330a of the holding section 33a to be fixed to the inclined In the small-diameter end 3200a of the segment portion 32a, the connection position between the joints 30a of the hollow rod body 3a of the bat 2a to provide a more stable connection position. The effects achieved by the fourth embodiment shown in FIGS. 7 to 9 are the same as the effects achieved by the first to third embodiments disclosed in FIGS. 2-1 to 6, and are not repeated here.

Taken on, each of the internal engagement channels 313a, 327a and each of the embedded projections 314a, 328a of the inner locking unit 311a of the hollow rod body 3a, and each of the outer of the outer locking unit 321a. The engaging channels 323a and 332a and each of the engaging projections 324a and 333a are respectively inclined shapes combined.

Please refer to the first to fourth embodiments disclosed in FIGS. 2-1 to 9 again, the first joints of the joints 30 and 30a of the bats 2 and 2a of the hollow bats 3 and 3a. The range of each of the engaging projections 314, 314a and each of the internal engaging channels 313, 313a of the inner latching units 311, 311a arranged on the inner joint surface of the segment is that of the joint portions 30, 30a. The inner engaging unit 311, 311a of the inner joint surface of the first joint section is 50% or more and 90% or less in the axial direction, or the inner joint surface of the second joint section of the joint portion 30, 30a. The range of each of the engaging projections 328, 328a and each of the internal engaging channels 327, 327a is 50 mm in length along the axial direction of the inner joint surface of the second joint section of the joints 30, 30a. Above 90% and below 90%, each of the outer engagement channels of the outer latching units 321, 321a configured on the outer joint surface of the second joint section of the joint portion 30, 30a of the hollow rod body 3, 3a The range of 323, 323a and each of the engaging projections 324, 324a is 50% or more and 90% or less of the length of the outer joint surface of the second joint section of the joints 30, 30a in the axial direction. Or each of the external engagement channels 332, 332a and each of the engaging projections 333, 332, 332a of the external latching units 321, 321a arranged on the outer engaging surface of the third engaging section of the engaging portions 30, 30a, The range of 333a is 50% or more and 90% or less of the length of the outer joint surface of the third joint section of the joints 30, 30a in the axial direction. More specifically, each of the engaging projections 314 and 314a and each of the inwardly engaging projections 314 and 314a of the inner latching units 311 and 311a disposed on the inner joint surfaces of the end portions 310 and 310a of the ball striking portions 31 and 31a The range of the channels 313 and 313a is 50% or more and 90% or less of the length of the inner joint surface of the one end 310, 310a of the hitting portion 31, 31a in the axial direction, and The range of each of the external engagement channels 323, 323a and each of the engaging projections 324, 324a of the external latching units 321, 321a configured on the outer joint surfaces of the large diameter ends 320, 320a is the inclined section. The length of the outer joint surface of the large-diameter ends 320, 320a of the portions 32, 32a is 50% or more and 90% or less in the axial direction, or / and is provided inside the small-diameter ends 3200, 3200a of the inclined section portions 32, 32a. Each of the engaging projections 328, 328a and each of the internal engaging channels 327, 327a of the inner latching units 311, 311a configured on the joint surface are small diameter ends 3200, 32 of the inclined section portions 32, 32a, The length of the inner joint surface of 3200a is 50% or more and 90% or less in the axial direction, and the outer joint surface provided at one end 330, 330a of the holding portion 33, 33a is arranged The range of each of the external engagement channels 332, 332a and each of the engaging projections 333, 333a of the latching units 321, 321a is the length of the outer joint surface of one end 330, 330a of the holding portion 33, 33a. 50% to 90% in the axial direction.

Please refer to the first to fourth embodiments disclosed in FIGS. 2-1 to 9, the first joining section of the joints 30 and 30 a of the bats 2 and 2 a of the hollow rod bodies 3 and 3 a. Or each of the engaging projections 314, 314a and each of the internal engaging channels 313, 313a of the inner latching units 311, 311a disposed on the inner engaging surface of the second engaging section, and the engaging portion 30, Each of the outer engaging channels 323 and 323a and each of the engaging projections 324 and 324a of the outer latching units 321 and 321a disposed on the outer joint surface of the second engaging section or the third engaging section of 30a The step difference is 1.0 mm to 3.0 mm, or each of the engaging protrusions 328, 328a and each of the inner latching units 311, 311a of the inner engaging surface of the second engaging section of the engaging portion 30, 30a and each Each of the inner engaging channels 327, 327a, and the outer engaging surfaces of the third engaging sections of the engaging portions 30, 30a, and the outer engaging units 321, 321a, and each of the outer engaging channels 332, 332a and The step difference between each of the engaging bumps 333 and 333a is 1.0 mm to 3.0 mm. More specifically, each of the engaging projections 314 and 314a and each of the internal engaging channels 313 and 313a of the inner latching units 311 and 311a disposed at one end 310 and 310a of the hitting portion 31 and 31a. , And each of the external engagement channels 323, 323a and each of the engaging projections 324, 324a of the external latching units 321, 321a of the large-diameter ends 320, 320a of the inclined section 32, 32a The step difference is 1.0 mm to 3.0 mm, or each of the engaging projections 328, 328a of the inner latching units 311, 311a arranged at the small diameter ends 3200, 3200a of the inclined section portions 32, 32a and / or Each of the inner engaging channels 327, 327a, and each of the outer engaging units 321, 321a of the outer latching units 321, 321a disposed at one end 330, 330a of the holding portion 33, 33a and each The step between the engaging bumps 333 and 333a is 1.0 mm to 3.0 mm.

Referring to the first to third embodiments disclosed in FIGS. 2-1 to 6, the inner joint surface of the first joint section of the joint portion 30 of the hollow rod body 3 of the bat 2 Each of the engaging projections 314 and each of the internal engaging channels 313 of the inner latching unit 311 is respectively connected to each of the outer latching units 321 of the outer engaging surface of the second engaging section of the engaging portion 30. Each of the engagement protrusions between the outer engagement channel 323 and each of the engagement protrusions 324, or / and the inner engagement surface of the inner engagement surface of the second engagement section of the engagement portion 30 The block 328 and each of the inner engaging channels 327 are respectively connected to each of the outer engaging channels 332 and each of the engaging portions of the outer latching unit 321 of the outer engaging surface of the third engaging section of the engaging portion 30. The bumps 333 are fixed to each other by using rubber material or viscoelastic resin to provide the inner latching unit 311 of the joint portion 30 and the outer latching unit 321 of the joint portion 30 to each other. In the fourth embodiment disclosed in FIGS. 7 to 9, the inner latching unit 311 a on the inner joint surface of the first joint section of the joint portion 30 a of the hollow bat body 3 a of the bat 2 a Each of the engaging projections 314a and each of the internal engaging channels 313a are respectively connected to each of the external engaging channels of the outer latching unit 321a of the outer engaging surface of the second engaging section of the engaging portion 30a 323a and each of the engaging projections 324a, or / and each of the engaging projections 328a and each of the inner latching units 311a of the inner engaging unit 311a of the inner engaging surface of the second engaging section of the engaging portion 30a The internal engagement channels 327a are respectively between each of the external engagement channels 332a and each of the engaging projections 333a of the external latching unit 321a of the external engaging surface of the third engaging section of the engaging portion 30a. Both are bonded and fixed by rubber material or viscoelastic resin to provide the inner latching units 311, 311a of the joint portions 30, 30a and the outer latching units 321, 321a of the joint portions 30, 30a with each other. Combined fixed.

Please refer to the first to fourth embodiments disclosed in FIGS. 2-1 to 9 again. Each of the inner latching units 311 and 311a of one end 310 and 310a of the hitting portion 31 and 31a An engaging projection 314, 314a and each of the internal engaging channels 313, 313a are respectively associated with each of the outer latching units 321, 321a of the large-diameter ends 320, 320a of the inclined section 32, 32a. Each of the inner latching units 311, 311a of the external engagement channels 323, 323a and each of the engaging projections 324, 324a, or / and the small diameter ends 3200, 3200a of the inclined section 32, 32a The engaging projections 328 and 328a and each of the internal engaging channels 327 and 327a are respectively engaged with each of the external latching units 321 and 321a of the outer latching units 321 and 321a of the holding portions 33 and 33a. The roads 332 and 332a and each of the engaging projections 333 and 333a are fixed to each other by rubber material or viscoelastic resin to provide the inner latching unit of one end 310 and 310a of the hitting portion 31 and 31a. 311, 311a, the abutting connection with the outer latching units 321, 321a of the large diameter ends 320, 320a of the inclined section portions 32, 32a is stronger, or / and the smaller of the inclined section portions 32, 32a Diameter end 3 The abutting connection between the inner latching units 311, 311a of 200 and 3200a and the outer latching units 321, 321a of one end 330, 330a of the holding portion 33, 33a is stronger.

Please refer to FIG. 2-1 to FIG. 9, the first and second joint sections of the joint portions 30 and 30 a of the hollow rod bodies 3 and 3 a are composed of the same material or a combination of different materials. The first joint section of the joint sections 30, 30a of the hollow rod bodies 3, 3a is the hitting section 31, 31a, the second joint section is the inclined section sections 32, 32a, and the third joint section is the The grips 33 and 33a are made of the same material, or the three are made of different materials. The materials of the hitting portions 31, 31a, the inclined portions 32, 32a, and the gripping portions 33, 33a are selected from light metals with a specific gravity of 1.5 to 2.9, and the light metals are aluminum alloys or magnesium alloys, or CFRP-containing carbon fibers are selected. Carbon fiber reinforced plastics or GFRP glass fiber reinforced plastics made of FRP fiber reinforced plastics (fiber reinforced plastics), or PC-containing polycarbonate (polycarbonate) has a strength of 5kgf / mm ² High-strength plastic materials, or using engineering polycarbonates represented by PC polycarbonate (engineering plastics), or super engineering plastics represented by PEEK polymer materials (polyether ether ketone) High-strength plastic with a strength of 3kgf / mm ^{2 to} 9kgf / mm ² .

For reference, please refer to the first to fourth embodiments shown in Figs. 2-1 to 9 again. The bats 2 and 2a and the hollow bats 3 and 3a of the hitting portions 31 and 31a The top end is covered with a head cover part 3100, and an abutment part 34 is abutted on the ends of the holding parts 33, 33a to form the complete bat 2, 2a. The abutting portion 34 has a base 341 at one end, and a protruding rod 342 far from the base 341 and decreasing stepwise from the outer diameter of the base 341. The protruding rod 342 is used to communicate with the holding portions 33 and 33a. The internal hollow ends of 3300 and 3300a are joined, but not limited to this embodiment. In other possible embodiments, the abutting portion 34 is integrated with the ends of the holding portions 33 and 33a.

The present invention can overcome the impact of the existing two-stage bat 1 on the joint position between the parts of the two-stage bat 1 after the ball is hit, so that each part of the two-stage bat 1 is released. The inconsistency of the connection between the two places completely breaks through the current production model of similar products, and the industrial utilization benefits and values, as well as the fact that the product's practical efficacy and safety improvement can meet the practical use value The essential elements of invention patents and the filing of patent applications according to law are the main reasons for the invention to solve.

The above embodiments can be used alone or in combination. Moreover, the bats 2 and 2a may also include other features not mentioned. The present invention includes, but is not limited to, the embodiments listed in this specification. Any equivalent modification or change made without departing from the spirit and scope of the present invention should be included in the scope of the attached patent application.

(existing)

1‧‧‧ bat

11‧‧‧ Batting Department

111‧‧‧ the first fitting section

112‧‧‧The first zigzag pattern

12‧‧‧ oblique section

121‧‧‧Second mosaic section

122‧‧‧Second Zigzag

123‧‧‧The third mosaic section

124‧‧‧ Third Zigzag

13‧‧‧ holding section

131‧‧‧Fourth mosaic section

132‧‧‧ Fourth Zigzag

14‧‧‧ cover

(this invention)

2, 2a‧‧‧ bat

3, 3a‧‧‧ hollow rod

30, 30a‧‧‧ Junction

300, 300a‧‧‧ Internal space

31, 31a ‧ ‧ batting department

310, 310a‧‧‧

3100‧‧‧Head Cover

311, 311a‧‧‧Inner latching unit

312, 326‧‧‧ Outstanding Group

313, 327‧‧‧ Embedded Road

314, 328‧‧‧embedded bumps

315, 329‧‧‧fitting space

32, 32a‧‧‧ oblique section

320, 320a‧‧‧large diameter end

3200, 3200a‧‧‧small diameter end

321, 321a‧‧‧ Outer latch unit

322, 331‧‧‧ Outstanding Group

323, 332‧‧‧‧Embedded Road

324, 333‧‧‧ Engagement bumps

325, 334‧‧‧ snap-in space

33, 33a‧‧‧grip

330, 330a‧‧‧One end

3300, 3300a‧‧‧ Hollow inside

313a, 327a‧‧‧Embedded road

314a, 328a‧‧‧embedded bumps

323a, 332a

324a, 333a‧‧‧ Engagement bump

34‧‧‧Arrival Department

341‧‧‧base

342‧‧‧ convex rod

Figure 1-1: A perspective view of a conventional bat. Figure 1-2: A cross-sectional view of Figure 1-1 at the A-A position. Figure 2-1 is a partially cutaway perspective exploded view of the first embodiment of the present invention. Fig. 2-2 is a sectional view of a combination of the first embodiment of the present invention. Figure 3-1 is a partially cutaway perspective exploded view of a second embodiment of the present invention. Figure 3-2: A sectional view of a combination of the second embodiment of the present invention. FIG. 4 is a partially exploded perspective view of a third embodiment of the present invention. FIG. 5 is a partially cutaway perspective assembled view of a third embodiment of the present invention. FIG. 6 is a combined sectional view of a third embodiment of the present invention. FIG. 7 is a partially cutaway perspective exploded view of a fourth embodiment of the present invention. FIG. 8 is a partially cutaway perspective assembled view of a fourth embodiment of the present invention. Fig. 9 is a sectional view showing a combination of the fourth embodiment of the present invention.

Claims (20)

A multi-segment combined bat structure, the bat is a hollow bat body with an internal space, the hollow bat body is provided with at least one joint portion which is engaged with each other, the hollow bat body is provided with a first joint section and a connection with the A second joint section where one end of the first joint section is joined, wherein an inner latching unit is provided on an inner joint surface of one end of the first joint section, and the inner latching unit includes at least two inner protruding groups, and at least two are respectively between Each of the two inner adjacent protruding groups includes an embedded channel, each of the internal protruding groups includes a plurality of embedded convex blocks arranged along the axial direction, and one and each of the embedded convex blocks are formed between the embedded convex blocks. A fitting space penetrating through the internal engaging channel, an external engaging unit engaging with the internal engaging unit is provided on an outer engaging surface of the second engaging section facing one end of the first engaging section, and the external engaging unit Containing at least two outer protruding groups and at least two outer engagement channels respectively between every two adjacent outer protruding groups, each of the outer engagement channels provides each of the engagements of each of the inner protruding groups, respectively. A bump is placed, and each of the protruding groups includes a plurality of along the axis Aligned engagement projections, each of the engagement projections forms an engagement space that penetrates each of the external engagement channels, and each of the engagement spaces provides each of each of the inner protruding groups. The engaging projection is rotated and inserted, so that the outer latching unit of the second engaging section of the hollow rod body and the inner latching unit of the first engaging section form an axially abutting relationship, providing the first One end of the two engaging sections is fixed in one end of the first engaging section. The multi-segment combined bat structure according to item 1 of the patent application scope, wherein the joint portion of the hollow bat body is one, the first joint portion of the hollow bat body is a hitting portion, and the second joint portion It is a grip portion integrally connected to the small diameter end of an inclined section, or the first engaging section is a ball striking portion integrally connected to the large diameter end of an inclined section, and the second engaging section is a grip A holding part, and a head cover part is provided on the top end of the hitting part, and an abutting part is abutted at the end of the holding part, one end of the abutting part has a base, and a part away from the base and from the base The outer diameter of the base is gradually reduced in a stepped shape, and the convex rod is used to internally engage with the end of the holding portion, or the abutting portion and the end of the holding portion are integrally combined; wherein, the first engaging section The inner latching unit is provided on an inner joint surface of an end of the hitting portion facing the large diameter end of the inclined portion, or on an inner joint surface of the small diameter end of the inclined portion connected integrally with the hitting portion, The outer latching unit of the second engaging section is disposed on the inclined portion which is integrally connected with the holding portion. The outer joint surface of the large-diameter end of the segment, or the outer joint surface of one end of the holding portion facing the small-diameter end of the inclined section, uses each of the outer latching units provided on the large-diameter end of the inclined section. An outer engagement channel is provided for each of the engagement projections of each of the inner protruding groups of the inner latching unit provided at one end of the hitting portion, or the one of the holding portion Each of the outer engaging channels of the outer latching unit is provided with each of the engaging projections of each of the inner protruding groups of the inner latching unit provided at the small diameter end of the inclined section, and then Each of the engaging projections of the inner latching unit provided on the inner engaging surface of one end of the hitting portion, and each of the outer latching unit provided on the outer engaging surface of the large diameter end of the inclined portion. Each of the engaging spaces penetrating through the external engaging channel is correspondingly inserted, and each of the engaging projections of the internal latching unit provided on the inner joint surface of the small-diameter end of the inclined section, and Each of the external engagement channels of the external latching unit provided on an outer engaging surface of one end of the gripping portion is continuous. An engaging space is correspondingly inserted, so that the outer latching unit of the large-diameter end of the oblique section is rotated within one end of the hitting portion, or the outer latching unit of one end of the holding portion is in the oblique section. The small diameter end of the portion is turned inward, so that each of the engaging projections of the inner latching unit at one end of the hitting portion is respectively engaged with each of the outer latching units of the large diameter end of the inclined portion. The position of the space, and the position of each of the fitting spaces of each of the inner latching units of the outer latching unit at the large diameter end of the inclined section at one end of the hitting portion, respectively Or the position of each of the engaging projections of the inner latching unit at the small diameter end of the inclined section at each of the engaging spaces of the outer latching unit at one end of the gripping portion, and Each of the engaging protrusions of the outer latching unit at one end of the gripping portion is located at each of the fitting spaces of the inner latching unit at the small diameter end of the slanted section to perform the slanted section. Each of the engaging protrusions of the outer latching unit of the large diameter end is respectively connected to the inner latch of one end of the hitting portion. Each of the engaging projections of the unit forms an axial abutment relationship, and the large-diameter end of the inclined portion is fixed in one end of the ball striking portion, or the outer latching unit of one end of the gripping portion is provided. Each of the engaging projections forms an axially abutting relationship with each of the engaging projections of the inner latching unit of the small diameter end of the inclined section portion, and provides one end of the holding portion to be fixed to the Inside the small diameter end of the oblique section. The multi-segment combined bat structure according to item 1 of the patent application scope, wherein the joint portion of the hollow bat body is two, and the hollow bat body further includes: a third joint portion, which is far from the first joint portion The other end of the second engaging section is combined with the third engaging section, and the inner engaging surface of one end of the first engaging section is provided with the inner latching unit, and the second engaging section faces one end of the first engaging section. The outer engaging surface is provided with the outer engaging unit engaged with the inner engaging unit at one end of the first engaging section, the inner engaging surface at the other end of the second engaging section is provided with the inner engaging unit, and the third An outer latching unit engaging with the inner latching unit at the other end of the second engaging segment is provided on an outer joint surface of the one end of the engaging segment facing the other end of the second engaging segment, so that the second joint of the hollow rod body is engaged. The outer latching unit at one end of the segment forms an axial abutment relationship with the inner latching unit of the first engaging segment, and the outer latching unit of the third engaging segment and the other end of the second engaging segment The inner latching unit forms an axial abutment relationship, providing One end of the second joint section is fixed in one end of the first joint section, and one end providing the third joint section is fixed in the other end of the second joint section; wherein the first joint of the hollow rod body The segment is a hitting portion, the third engaging portion is a gripping portion, and the second engaging portion is an inclined portion connecting the striking portion and the holding portion, and the large diameter end of the inclined portion is connected to the One end of the hitting part, the small diameter end of the oblique segment part is connected to the gripping part, and a head cover part is connected to the top end of the hitting part, and an abutting part is abutted at the end of the gripping part, The abutting portion has a base at one end, and a protruding rod away from the base and decreasing stepwise from the outer diameter of the base, the protruding rod is used for internally engaging with the end of the holding portion, or the abutting portion and The ends of the gripping portions are integrally combined; wherein the inner latching unit of the first engaging section is disposed on an inner engaging surface of one end of the hitting portion facing the large diameter end of the inclined section, and the second engaging section The inner latching unit is disposed on the inner joint surface of the small-diameter end of the inclined section, and the second joint section An outer latching unit is disposed on the outer joint surface of the large-diameter end of the inclined section, and the outer latching unit of the third engaging section is disposed on the outer joint surface of the end of the holding portion facing the small-diameter end of the oblique section. Each of the outer engagement channels of the outer latching unit provided at the large-diameter end of the slanted section is used to provide each of each of the inner protruding groups of the inner latching unit provided at one end of the hitting portion. An engaging projection is inserted, and each of the external engaging channels of the outer latching unit provided at one end of the holding portion respectively provides an inner latching unit provided at the small diameter end of the inclined section. Each of the embedding projections of each of the inner protruding groups is inserted, and then each of the embedding projections of the inner latching unit provided on an inner joint surface of one end of the hitting portion is disposed with Each of the engaging spaces penetrating each of the outer engagement channels of the outer latching unit on the outer joint surface of the large-diameter end of the inclined section is correspondingly inserted, and the small-diameter end provided at the small-diameter end of the inclined section is inserted correspondingly. Each of the engaging projections of the inner latching unit on the inner joint surface and one end provided on the holding portion Each of the engaging spaces penetrating each of the external engaging channels of the external engaging unit on the outer joint surface is correspondingly inserted, so that the external engaging unit of the large-diameter end of the slanted section is in the striking portion. One end is turned inward, and the outer latching unit at one end of the gripping portion is pivoted in the small diameter end of the inclined section, so that each of the engaging protrusions of the inner latching unit at one end of the hitting portion The block is at the position of each of the engaging spaces of the outer latching unit at the large diameter end of the inclined section, and each of the engaging projections of the outer latching unit at the large diameter end of the inclined section is respectively A position of each of the fitting spaces of the inner latching unit at one end of the hitting portion, and each of the engaging projections of the inner latching unit of the small diameter end of the slanted section at the grip respectively A position of each of the engaging spaces of the outer latching unit at one end of the holding portion, and a small diameter of each of the engaging protrusions of the outer latching unit at one end of the holding portion at the inclined portion Each of the fitting spaces of the inner latching unit at the end to perform the outer latching of the large diameter end of the inclined section Each of the engaging projections of the unit forms an axially abutting relationship with each of the engaging projections of the inner latching unit at one end of the hitting portion, and performs the one end of the holding portion. Each of the engaging projections of the outer latching unit forms an axially abutting relationship with each of the engaging projections of the inner latching unit at the small diameter end of the inclined section, and provides the inclined section. The large-diameter end is fixed in one end of the ball striking portion, and the end providing the gripping portion is fixed in the small-diameter end of the inclined section portion. The multi-segment combined bat structure according to item 1 or item 2 of the patent application scope, wherein the outer latching unit at one end of the second engaging segment of the hollow rod body faces the inner card at one end of the first engaging segment. The turning range in the detent unit is 20 degrees to 270 degrees. The multi-segment combined bat structure according to item 3 of the scope of patent application, wherein the outer latching unit at one end of the second engaging segment of the hollow rod body is turned toward the inner latching unit at one end of the first engaging segment. The range of is from 20 degrees to 270 degrees, and the range of rotation of the outer latching unit at one end of the third engaging section toward the inner latching unit at the other end of the second engaging section is from 20 degrees to 270 degrees. The multi-segment combined bat structure according to any one of the first to third aspects of the scope of the patent application, wherein each of the embedded channels of the inner latching unit provided on the inner joint surface of the hollow rod body, Each of the engaging projections and each of the fitting spaces, and each of the external engaging channels, each of the engaging protrusions and each of the engaging spaces of the external latching unit provided on the outer joint surface , Respectively, are combined rectangular shapes; wherein each of the engaging projections and each of the internal engaging channels of the inner latching unit provided on the inner joint surface of the hollow rod body, and The step difference between each of the external engaging channels and each of the engaging projections of the external latching unit is 1.0 mm to 3.0 mm. The multi-segment combined bat structure according to any one of claims 1 to 3, wherein each of the engaging projections of the inner latching unit arranged on the inner joint surface of the hollow rod body The range of each of the internal engagement channels is 50% or more and 90% or less of the length of the inner joint surface of the joint portion along the axial direction. The outer latching unit of the outer joint surface of the hollow rod body The range of each of the external engagement channels and each of the engaging bumps is 50% or more and 90% or less of the length of the outer joint surface of the joint portion along the axial direction. The multi-segment combined bat structure according to any one of claims 1 to 3, wherein each of the engaging projections of the inner latching unit provided on the inner joint surface of the hollow rod body and Each of the internal engaging channels is respectively connected with each of the external engaging channels of the outer latching unit and each of the engaging protrusions provided on the outer joint surface of the hollow rod body by rubber material or viscoelasticity. The resins are fixed to each other. According to the multi-segment combined bat structure described in item 1 of the scope of the patent application, wherein the first joint section and the second joint section of the hollow bat body are composed of the same material or a combination of different materials. According to the multi-segment combination bat structure described in the second or third item of the patent application scope, wherein the hitting part, the slanting part and the holding part of the hollow stick body are the same material combination, or three of them It is a combination of different materials, wherein the material of the hitting portion, the inclined portion and the holding portion is selected from light metals with a specific gravity of 1.5 to 2.9, and the light metals are aluminum alloys or magnesium alloys, or carbon fiber reinforced plastics containing CFRP (carbon fiber reinforced plastics) or GFRP glass fiber reinforced plastics made of FRP fiber reinforced plastics (fiber reinforced plastics), or PC polycarbonate (polycarbonate) with a strength of 5kgf / mm ² high-strength plastic materials , Or using engineering polycarbonates represented by PC polycarbonate (engineering plastics), or super engineering plastics represented by PEEK polymer materials (polyether ether ketone), the strength is 3kgf / mm ² -9kgf / mm ² high-strength plastic. A multi-segment combined bat structure, the bat is a hollow bat body with an internal space, the hollow bat body is provided with at least one joint portion which is engaged with each other, the hollow bat body is provided with a first joint section and a connection with the A second joint section where one end of the first joint section is joined, wherein an inner latching unit is disposed on an inner joint surface of one end of the first joint section, and the inner latching unit includes a plurality of engaging protrusions arranged obliquely, And a plurality of oblique internal engaging channels respectively between each two adjacent engaging projections, the second engaging section is provided with an inner card on the outer engaging surface facing one end of the first engaging section. The outer latching unit is engaged with the latching unit. The outer latching unit includes a plurality of engaging protrusions arranged obliquely, and a plurality of inclined protrusions which are interposed between every two adjacent engaging protrusions. Each external engagement channel provides each of the embedded projections of the internal latching unit to be rotated and inserted, so that each of the engaging projections of the external latching unit is respectively located in the The position of each of the embedded channels of the inner latching unit makes the hollow rod body the Two engaging segments engaging the outer inclined section is formed with abutting relation to the first engagement section of the inner engaging means provided within one end fixed to one end of the first section engages the second engagement section. The multi-segment combined bat structure according to item 11 of the patent application scope, wherein the joint portion of the hollow bat body is one, the first joint portion of the hollow bat body is a hitting portion, and the second joint portion It is a grip portion integrally connected to the small diameter end of an inclined section, or the first engaging section is a ball striking portion integrally connected to the large diameter end of an inclined section, and the second engaging section is a grip A holding part, and a head cover part is provided on the top end of the hitting part, and an abutting part is abutted at the end of the holding part, one end of the abutting part has a base, and a part away from the base and from the base The outer diameter of the base is gradually reduced in a stepped shape, and the convex rod is used to internally engage with the end of the holding portion, or the abutting portion and the end of the holding portion are integrally combined; wherein, the first engaging section The inner latching unit is provided on an inner joint surface of an end of the hitting portion facing the large diameter end of the inclined portion, or on an inner joint surface of the small diameter end of the inclined portion connected integrally with the hitting portion, The outer latching unit of the second engaging section is disposed on the integrally connected with the holding portion. The outer joint surface of the large-diameter end of the segment, or the outer joint surface of one end of the holding portion facing the small-diameter end of the inclined section, uses each of the outer latching units provided on the large-diameter end of the inclined section. An outer engagement channel, each of which is provided with each of the engaging projections of the inner latching unit provided at one end of the hitting portion, or each of the outer latching units provided at one end of the holding portion. The outer engagement channel provides each of the engagement projections of the inner latching unit provided at the small diameter end of the inclined section, so that the outer latching unit at the large diameter end of the inclined section is in the One end of the hitting portion is turned inward, or the outer latching unit at one end of the gripping portion is turned inward at the small diameter end of the inclined portion, so that each of the inner latching unit at one end of the hitting portion The engaging projections are respectively located at each of the external engaging channels of the external latching unit of the large diameter end of the inclined section, and each of the cards of the external engaging unit of the large diameter end of the inclined section. The engaging projections are respectively located at each position of the inner engaging channel of the inner latching unit at one end of the hitting portion, or Each of the engaging projections of the inner latching unit at the small diameter end of the oblique section is at the position of each of the outer engaging channels of the outer latching unit at one end of the gripping portion, and the gripping portion Each of the engaging projections of the outer latching unit at one end is at the position of each of the inward engagement channels of the inner latching unit at the small-diameter end of the oblique section, so as to make the oblique section larger. Each of the engaging projections of the outer latching unit at the diameter end forms an obliquely opposing relationship with each of the engaging projections of the inner latching unit at one end of the hitting portion, providing the inclined segment. The large diameter end of the portion is fixed in one end of the hitting portion, or each of the engaging projections of the outer latching unit that performs one end of the gripping portion is respectively connected to the inner portion of the small diameter end of the inclined portion. Each of the engaging projections of the latching unit forms an oblique abutting relationship, and one end of the holding portion is provided to be fixed in a small diameter end of the oblique section portion. The multi-segment combined bat structure according to item 11 of the patent application scope, wherein the joint portion of the hollow bat body is two, and the hollow bat body further includes: a third joint portion, which is far from the first joint portion The other end of the second engaging section is combined with the third engaging section, and the inner engaging surface of one end of the first engaging section is provided with the inner latching unit, and the second engaging section faces one end of the first engaging section. The outer engaging surface is provided with the outer engaging unit engaged with the inner engaging unit at one end of the first engaging section, the inner engaging surface at the other end of the second engaging section is provided with the inner engaging unit, and the third An outer latching unit engaging with the inner latching unit at the other end of the second engaging segment is provided on an outer joint surface of the one end of the engaging segment facing the other end of the second engaging segment, so that the second joint of the hollow rod body is engaged. The outer latching unit at one end of the segment forms an oblique opposing relationship with the inner latching unit of the first engaging segment, and the outer latching unit of the third engaging segment and the other end of the second engaging segment The inner latching unit forms an oblique relationship One end providing the second engaging section is fixed in one end of the first engaging section, and one end providing the third engaging section is fixed in the other end of the second engaging section; wherein the first of the hollow rod body The engaging section is a ball striking section, the third engaging section is a gripping section, and the second engaging section is an inclined section connecting the striking section and the holding section, and the large diameter end of the inclined section is connected One end of the hitting part, the small diameter end of the inclined section part is connected to the gripping part, and a head cover part is capped and connected at the top end of the hitting part, and an abutting part is abutted at the end of the gripping part. The abutting portion has a base at one end, and a convex rod away from the base and decreasing stepwise from the outer diameter of the base, and the convex rod is used for internally engaging with the end of the holding portion, or the abutting portion. It is integrally integrated with the end of the gripping portion; wherein the inner latching unit of the first engaging section is disposed on the inner engaging surface of the end of the hitting portion facing the large diameter end of the inclined section, and the second engaging section The inner latching unit is disposed on the inner joint surface of the small diameter end of the inclined section, and the second joint The outer latching unit of the segment is provided on the outer joint surface of the large-diameter end of the inclined segment portion, and the outer latching unit of the third engaging segment is provided at an end of the holding portion facing the small-diameter end of the inclined segment portion. The outer joint surface uses each of the outer engagement channels of the outer latching unit provided at the large-diameter end of the oblique section to provide each of the engagements of the inner latching unit provided at one end of the hitting portion, respectively. The projection is inserted, and each of the external engagement channels of the external latching unit provided at one end of the holding portion respectively provides each of the internal latching units of the internal latching unit provided at the small-diameter end of the inclined portion. The convex block is inserted to rotate the outer latch unit of the large-diameter end of the oblique section in one end of the hitting section, and to place the outer latch unit of one end of the holding section in the oblique section. The small-diameter end is turned inward, so that each of the engaging projections of the inner latching unit at one end of the hitting portion is respectively at each of the outer engaging channels of the outer latching unit at the large-diameter end of the inclined section. Position, and each of the engaging projections of the outer latching unit of the large-diameter end of the oblique section is respectively in the The position of each of the internal engaging channels of the internal latching unit at one end of the ball portion, and each of the engaging projections of the internal latching unit at the small diameter end of the inclined section portion are respectively at the holding portion A position of each of the external engagement channels of the outer latching unit at one end of the one, and a small diameter of each of the engaging protrusions of the outer latching unit at one end of the holding portion in the inclined portion Position of each of the internal engaging channels of the inner latching unit at the end to perform each of the engaging projections of the outer latching unit of the large diameter end of the oblique section with each of the one end of the hitting portion Each of the engaging projections of the inner latching unit forms an obliquely opposing relationship, and each of the engaging projections of the outer latching unit that carries one end of the gripping portion is respectively connected to the inclined portion. Each of the engaging projections of the inner latching unit of the small-diameter end forms an obliquely abutting relationship, the large-diameter end providing the inclined section is fixed in one end of the hitting part, and the holding part is provided One end is fixed in the small diameter end of the inclined section. The multi-segment combined bat structure according to item 11 or 12 of the patent application scope, wherein the outer latching unit at one end of the second engaging segment of the hollow rod body faces the inner card at one end of the first engaging segment. The turning range in the detent unit is 20 degrees to 270 degrees. The multi-segment combined bat structure according to item 13 of the patent application scope, wherein the outer snap unit at one end of the second engaging segment of the hollow bat body is turned toward the inner snap unit at one end of the first engaging segment. The range of is from 20 degrees to 270 degrees, and the range of rotation of the outer latching unit at one end of the third engaging section toward the inner latching unit at the other end of the second engaging section is from 20 degrees to 270 degrees. According to the multi-segment combined bat structure according to any one of claims 11 to 13, in the patent application scope, wherein each of the embedded channels of the inner latching unit and the inner latching unit provided on the inner joint surface of the hollow rod body and Each of the engaging projections, and each of the external engaging channels and each of the engaging projections of the external latching unit provided on the outer joint surface are respectively combined oblique shapes; wherein the hollow Each of the engaging projections and each of the internal engaging channels of the inner latching unit provided on the inner engaging surface of the rod body, and each of the external engaging channels of the outer engaging unit disposed on the outer engaging surface. A step difference from each of the engaging bumps is 1.0 mm to 3.0 mm. The multi-segment combined bat structure according to any one of claims 11 to 13, in which each of the engaging projections of the inner latching unit configured on the inner joint surface of the hollow rod body is configured. The range of each of the internal engagement channels is 50% or more and 90% or less of the length of the inner joint surface of the joint portion along the axial direction. The outer latching unit of the outer joint surface of the hollow rod body The range of each of the external engagement channels and each of the engaging bumps is 50% or more and 90% or less of the length of the outer joint surface of the joint portion along the axial direction. The multi-segment combined bat structure according to any one of claims 11 to 13, in which each of the engaging projections of the inner latching unit provided on the inner joint surface of the hollow rod body and Each of the internal engaging channels is respectively connected with each of the external engaging channels of the outer latching unit and each of the engaging protrusions provided on the outer joint surface of the hollow rod body by rubber material or viscoelasticity. The resins are fixed to each other. The multi-segment combined bat structure according to item 11 of the scope of the patent application, wherein the first joint section and the second joint section of the hollow bat body are composed of the same material or a combination of different materials. The multi-segment combined bat structure according to item 12 or 13 of the scope of the patent application, wherein the hitting portion, the inclined portion and the holding portion of the hollow bat are made of the same material, or three It is a combination of different materials, wherein the material of the hitting portion, the inclined portion and the holding portion is selected from light metals with a specific gravity of 1.5 to 2.9, and the light metals are aluminum alloys or magnesium alloys, or carbon fiber reinforced plastics containing CFRP (carbon fiber reinforced plastics) or GFRP glass fiber reinforced plastics made of FRP fiber reinforced plastics (fiber reinforced plastics), or PC polycarbonate (polycarbonate) with a strength of 5kgf / mm ² high-strength plastic materials , Or using engineering polycarbonates represented by PC polycarbonate (engineering plastics), or super engineering plastics represented by PEEK polymer materials (polyether ether ketone), the strength is 3kgf / mm ² -9kgf / mm ² high-strength plastic.