TWI651119B - Bat connection structure - Google Patents

Abstract

A bat connecting structure, the bat is a hollow rod body having an inner space, the hollow rod body is provided with at least one joint portion that is engaged with each other, and the hollow rod body is provided with a first joint portion by the joint portion An inner latching surface of one end of the first engaging section is provided with an inner latching unit, and a second engaging section, the second engaging section is provided with an outer latching unit facing the outer engaging surface of one end of the first engaging section, The outer latching unit of the second engaging section is axially abutted with the inner latching unit of the first engaging section, so that the connection between the first and second engaging sections is stabilized, and the hollow is The first and the second joint segments of the rod are combined with different materials to alleviate the impact force after the bat hits the ball, reduce the hand numb feeling after the ball is played, and improve the feeling.

Description

Bat connection structure

The invention relates to a bat, in particular to a connection structure of a bat.

Referring to Figures 1-1 and 1-2, there is at least a two-stage bat 1 comprising a ball striking portion 11, a slanting portion 12 and a grip portion 13. The top end of the ball striking portion 11 is covered with a cover body 14. The end of the ball striking portion 11 has a first mating segment 111. The inner edge of the first mating segment 111 is provided with a first zigzag pattern 112. The second portion of the second engaging portion 121 is disposed at an end of the ball striking portion 11 and has a second engaging portion 121 coupled to the first engaging portion 111. The outer edge of the second engaging portion 121 is disposed to be engaged with the first serration 112. The second serration 122 has a third fitting section 123. The inner edge of the third fitting section 123 is provided with a third zigzag 124. The grip portion 13 has a fourth fitting portion 131 coupled to the third fitting portion 123 toward the end of the inclined portion 12, and the outer edge of the fourth fitting portion 131 is provided with a third serration The lines 124 are intermeshing engagement with a fourth sawtooth line 132.

The first fitting section 111 of the ball striking portion 11 and the second fitting section 121 of the diagonal section 12, and the third fitting section 123 of the diagonal section 12 and the grip portion The contact surface of the fourth fitting section 131 of the 13 is small, and when the bat 1 is hit, the ball striking portion 11 and the oblique portion 12 and the inclined portion 12 and the grip portion are The position of the engagement between the 13 is easily released by the impact force, so that the bonding between the ball striking portion 11, the oblique portion 12, and the portions of the grip portion 13 of the bat 1 is difficult to be secure.

The present invention is to solve the problem that the existing bat is hit by the ball, the first fitting section of the ball striking portion and the second fitting section of the slanting section, and the third fitting section of the slanting section The contact surface that is engaged with the fourth fitting portion of the grip portion is small, and is easily released by the impact force, so that the ball striking portion, the oblique portion portion and the grip portion of the bat are Combine the problem of weakness. Therefore, the present invention provides a connection structure of a bat, which makes the connection position between the first and second joint sections of the hollow rod of the bat more stable, and increases the first and the second A bonding area between the joining segments to strengthen the bond between the first and second joining segments of the hollow rod.

For the purpose of the foregoing invention, the present invention is a bat connecting structure, the bat is a hollow rod body having an inner space, and the hollow rod body is provided with at least one joint portion that is engaged with each other, the hollow rod body a first engaging section and a second engaging section engaged with one end of the first engaging section, wherein an inner engaging surface of one end of the first engaging section is provided with an inner latching unit, and the inner latching unit comprises at least two An inner protruding group, and at least two in-line channels between each two adjacent inner protruding groups, each of the inner protruding groups comprising a plurality of axially-arranged engaging bumps, each of the inlays Forming a fitting space between each of the inserting passages, and the second engaging section is disposed to engage with the inner latching unit toward the outer engaging surface of one end of the first engaging section. An outer cassette unit comprising at least two outer protruding groups, and at least two outer embedded tracks respectively between each two adjacent outer protruding groups, each of the outer engaging tracks respectively providing each Each of the inlay bumps of the inner protruding group is placed, each The outer protruding group includes a plurality of engaging protrusions arranged in the axial direction, and each of the engaging protrusions forms an engaging space with each of the outer connecting tracks, and each of the engaging spaces is respectively Providing each of the inlay bumps of each of the inner protruding groups to be rotated, 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 are formed The axial phase abutting relationship provides that one end of the second joint segment is fixed in one end of the first joint segment.

Further, the hollow rod body has two joint portions, and the hollow rod body further comprises: a third joint portion, wherein the other end of the second joint portion away from the first joint portion and the third joint portion The inner engaging surface of one end of the first engaging section is provided with the inner latching unit, and the outer side of the second engaging section facing the one end of the first engaging section is provided with the inner end of the first engaging section The outer latching unit in which the latch unit is engaged, the inner engaging surface of the other end of the second engaging section is provided with the inner latching unit, and the third engaging section faces the outer side engaging surface of the other end of the second engaging section Providing an outer latch unit that engages with the inner latch unit at the other end of the second engaging portion, such that the outer latch unit at one end of the second engaging portion of the hollow rod body and the first engaging portion The inner latching unit forms an axial phase abutting relationship, and the outer latching unit of the third engaging section forms an axial axial relationship with the inner latching unit at the other end of the second engaging section, and the first One end of the two joint segments is fixed to the first joint segment An end of the third joint portion is fixed in the other end of the second joint portion; wherein the first joint portion of the hollow rod body is a ball striking portion, and the third joint portion is a grip a second engaging portion is a diagonal portion connecting the ball striking portion and the grip portion, wherein the large diameter end of the oblique portion is connected to one end of the ball striking portion, and the small diameter end of the oblique portion is connected a grip portion, and a cap portion is attached to the top end of the ball striking portion, and abutting portion is abutted at an end of the grip portion, the abutting portion has a base at one end, and a distance away from the base Extending the stepped protrusion from the outer diameter of the base, the protrusion is for engaging with the inner end of the end of the grip portion, or the abutting portion is integrally coupled with the end of the grip portion; wherein the first The inner latching unit of the engaging section is disposed at an inner engaging surface of the ball striking portion toward an end of the large diameter end of the inclined section, and the inner latching unit of the second engaging section is disposed at a small diameter end of the inclined section An inner engaging surface, the outer latching unit of the second engaging section is disposed at a large diameter end of the inclined section a side engaging surface, and the outer latching unit of the third engaging section is disposed at an outer joint surface of the grip portion toward an end of the small diameter end of the inclined section, the outer diameter of the inclined section being used Each of the outer engagement tracks of the cassette unit respectively provides each of the inner protruding groups of the inner cassette unit disposed at one end of the ball striking portion Inserting a bump, and each of the outer engaging passages of the outer latch unit disposed at one end of the grip portion respectively provide each of the inner latch units disposed at the small diameter end of the oblique portion Each of the inlay bumps of the inner protruding group is placed, and each of the inner engaging portions of the inner latching unit disposed on an inner joint surface of one end of the ball striking portion is disposed at the oblique Each of the engaging spaces of the outer latching unit of the outer peripheral surface of the large-diameter end of the segment is correspondingly embedded in each of the outer engaging passages, and is engaged at the inner side of the small-diameter end of the inclined portion Each of the engaging projections of the inner latching unit on the surface and each of the outer engaging passages of the outer latching unit provided on the outer engaging surface of one end of the gripping portion The engaging space is correspondingly embedded such that the outer latch unit at the large diameter end of the inclined portion rotates in one end of the ball striking portion, and the outer latch unit at one end of the grip portion is in the oblique portion Rotating within the small diameter end, so that each of the engaging projections of the inner latch unit at one end of the ball striking portion is respectively large in the oblique portion a position of each of the engaging spaces of the outer latch unit at the radial end, and each of the engaging projections of the outer latch unit of the large diameter end of the inclined portion at the end of the ball striking portion a position of each of the fitting spaces of the inner cassette unit, and the outer cassette of each of the inner side latching units of the inner end of the inclined portion at the end of the grip portion a position of each of the engaging spaces of the unit, and each of the inner latching units of the outer latch unit at one end of the grip portion at a small diameter end of the inclined portion a position of the fitting space for each of the engaging tabs of the outer latch unit at the large diameter end of the oblique portion, and each of the inner latch units at one end of the hitting portion The connecting bumps form an axial phase abutting relationship, and each of the engaging bumps of the outer latching unit of the one end of the gripping portion is respectively opposite to the inner diameter of the small-diameter end of the inclined section Each of the engaging lugs forms an axial phase abutting relationship, and the large diameter end of the inclined section is fixed to the ball striking portion An inner end, and an end of the grip portion is provided in the small diameter fixed to the end portion of the inclined sections.

Further, the outer latch unit at one end of the second joint portion of the hollow rod body rotates in the inner cassette unit at one end of the first joint portion in a range of 20 degrees to 270 degrees.

Further, the outer latch unit at one end of the second joint portion of the hollow rod body rotates in the inner latch unit at one end of the first joint portion in a range of 20 degrees to 270 degrees, and the third joint portion The inner latch unit at one end rotates in the inner latch unit toward the other end of the second joint segment in a range of 20 degrees to 270 degrees.

Further, each of the inner engaging passages of the inner latching unit provided on the inner joint surface of the hollow rod body, each of the engaging lugs and each of the fitting spaces, and the outer joint surface Each of the outer engagement channels of the outer card unit, each of the engagement protrusions and each of the engagement spaces are respectively combined in a rectangular shape; wherein the inner side of the hollow rod body is disposed inside Each of the inlay bumps of the cassette unit and each of the inlay channels, and each of the outer inlay channels of the outer cassette unit disposed on the outer side engaging surface and the step of each of the engaging lugs It is 1.0mm~3.0mm.

Further, a range of each of the inner engaging portions of the inner latching surface of the hollow rod body and each of the inner connecting passages is a length of the inner joint surface of the joint portion along the axis 50% or more and 90% or less of the direction, and the range of each of the outer engaging passages and each of the engaging projections of the outer latching unit disposed on the outer joint surface of the hollow rod is the joint portion The length of the outer joint surface is 50% or more and 90% or less in the axial direction.

Further, 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 inner connecting brackets and the outer card provided respectively on the outer joint surface of the hollow rod body Each of the outer inlays of the unit and each of the engaging lugs are fixed to each other by a rubber material or a viscoelastic resin.

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

Further, the ball striking portion, the oblique segment portion and the grip portion of the hollow rod body are of the same material combination, or the three are different material combinations, wherein the ball striking portion, the oblique segment portion and the grip portion The material of the part is selected from light metal with a specific gravity of 1.5~2.9, the light metal is aluminum alloy or magnesium alloy, or the FRP is 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 (engineering plastics) ), or a high-strength plastic having a strength of 3kgf/mm ² -9kgf/mm ² made of super engineering plastics represented by polyether ether ketone.

With the connection structure of the bat of the present invention, the following features are compared with the existing bat structure:

The connecting structure of the bat of the present invention, the hollow rod 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 with the outer joint surface of the second joint section The unit is coupled to each other and coupled to each other to make the connection between the first and second joint segments more stable, and increase the joint area between the first and second joint sections to strengthen the hollow rod The combination of the first and the second joint segments of the body, and the first and second joint segments of the hollow rod are combined by different materials, thereby effectively alleviating the impact force of the bat after hitting the ball. In order to reduce the hand numbness after playing, improve the sense of play.

(existing)

1‧‧‧ bat

11‧‧‧Balling Department

111‧‧‧First chimeric segment

112‧‧‧First zigzag

12‧‧‧ oblique section

121‧‧‧Second mating segment

122‧‧‧Second sawtooth

123‧‧‧ third chimera

124‧‧‧3rd sawtooth

13‧‧‧ grip

131‧‧‧Four mating segment

132‧‧‧Fourth sawtooth

14‧‧‧ Cover

(this invention)

2‧‧‧ bat

3‧‧‧ hollow rod

30‧‧‧ joints

300‧‧‧Internal space

31‧‧‧Balling Department

310‧‧‧End

3100‧‧‧ head cover

311‧‧‧Neckar unit

312, 326‧‧‧ highlighted group

313, 327‧‧‧ embedded access

314, 328‧‧‧Inlay bumps

315, 329‧‧‧ fitting space

32‧‧‧ oblique section

320‧‧‧large diameter end

3200‧‧‧Small diameter end

321‧‧‧Outer card unit

322, 331‧‧ ‧ Outstanding group

323, 332‧‧‧ externally integrated channels

324, 333‧‧‧ engaging bumps

325, 334‧‧‧ occlusion space

33‧‧‧ grips

330‧‧‧End

3300‧‧‧Internal hollow

34‧‧‧Resistance

341‧‧‧Base

342‧‧‧Bump

Figure 1-1: A perspective view of an existing bat.

Figure 1-2: is a cross-sectional view of the 1-1 diagram at the A-A position.

Fig. 2 is a partially exploded perspective view showing an embodiment of the present invention.

Figure 3 is a partial cross-sectional perspective view of an embodiment of the present invention.

Figure 4 is a cross-sectional view showing the combination of the embodiment of the present invention.

The purpose, technical contents, features and effects achieved by the present invention will be more readily understood by the following description in conjunction with the accompanying drawings.

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

Referring to the embodiment shown in FIG. 2 to FIG. 3, the present invention provides a connection structure of a bat, the bat 2 is a hollow rod 3 having an internal space 300, and the hollow rod 3 is provided At least one engaging portion 30 that is engaged with each other, the hollow rod body 3 is provided with a first joint portion by the joint portion 30, an inner joint surface of one end of the first joint portion is provided with an inner snap unit 311, and a second joint a second engaging portion is disposed with an outer latching unit 321 toward an outer engaging surface of one end of the first engaging portion, and the outer latching unit 321 of the second engaging portion of the hollow rod 3 is used with the first The inner latch unit 311 of the engaging section forms an axial phase abutting relationship, and one end of the second engaging section is fixed in one end of the first engaging section.

Referring to the embodiment shown in FIG. 2 to FIG. 4, the joint portion 30 is two, wherein the hollow rod body 3 further comprises: a third joint portion, wherein the second portion away from the first joint portion The other end of the joint segment is combined with the third joint segment. The inner engaging surface of one end of the first engaging portion is provided with the inner latching unit 311, and the outer engaging surface of the second engaging portion facing one end of the first engaging portion is provided with the inner card at one end of the first engaging portion The outer latching unit 321 is engaged with the outer unit 311, and the inner engaging surface of the other end of the second engaging section is provided with the inner latching unit 311, and the third engaging section faces the outer end of the other end of the second engaging section An outer latching unit 321 is disposed on the engaging surface to engage the inner latching unit 311 at the other end of the second engaging section, so that the outer latching unit 321 at one end of the second engaging section of the hollow rod 3 is The inner latching unit 311 of the first engaging section forms an axial phase abutting relationship, and the outer latching unit 321 of the third engaging section forms an axis with the inner latching unit 311 at the other end of the second engaging section Providing one end of the second joint segment in one end of the first joint portion and providing one end of the third joint portion Fixed in the other end of the second joint segment. The first engaging portion of the hollow rod 3 is a ball striking portion 31, the third engaging portion is a grip portion 33, and the second engaging portion is connected to the ball striking portion 31 and the grip portion. The inclined portion 32 of the portion 33, the large diameter end 320 of the inclined portion 32 is connected to one end of the ball striking portion 31, the small diameter end 3200 of the oblique portion 32 is connected to the grip portion 33, or the joint portion 30 is A plurality of and disposed at any position of the hollow rod 3.

Referring to the embodiment shown in FIGS. 2 to 4 , the inner cassette unit 311 is disposed on the inner joint surface of the one end 310 of the large diameter end 320 of the ball striking portion 31 toward the inclined portion 32 . And on the inner joint surface of the small diameter end 3200 of the inclined portion 32 integrally connected to the ball striking portion 31, the inner latch unit 311 includes at least two inner protruding groups 312, 326, and at least two respectively Two in-line 313, 327 adjacent the inner protruding groups 312, 326, each of the inner protruding groups 312, 326 includes a plurality of axially aligned engaging projections 314, 328, each of which is embedded A fitting space 315, 329 is formed between the connecting protrusions 314 and 328, and the outer clamping unit 321 is integrally connected to the holding portion 33. The outer engaging surface of the large diameter end 320 of the segment portion 32, and the outer engaging surface of the one end 330 of the small diameter end 3200 of the inclined portion 32, the outer latching unit 321 includes at least two Outer protruding groups 322, 331, and at least two outer inlays 323, 332 between each two adjacent outer protruding groups 322, 331 Each of the outer protruding portions 323, 332 is provided with each of the inner protruding portions 312, 326 of the inner latching unit 311, and each of the outer protruding portions 322, 331 is disposed. The engaging protrusions 324 and 333 are arranged in the axial direction, and each of the engaging protrusions 324 and 333 forms an engaging space 325, 334 extending through each of the outer engaging passages 323 and 332. One of the engaging spaces 325, 334 is aligned with each of the engaging projections 314, 328 of each of the inner protruding groups 312, 326 such that the outer latching unit 321 of the large diameter end 320 of the inclined portion 32 Each of the outer inlays 323 is respectively provided with each of the inset protrusions 314 of the inner protruding group 312 of the inner latch unit 311 disposed at one end 310 of the ball striking portion 31, and Each of the outer engagement channels of the outer cassette unit 321 disposed at one end 330 of the grip portion 33 332, each of the inner protruding portions 326 of the inner locking unit 311 disposed at the small diameter end 3200 of the inclined portion 32 is respectively disposed, and is disposed on the hitting ball. Each of the engaging projections 314 on the inner joint surface of the one end 310 of the portion 31 and each of the outer engaging passages 323 provided on the outer joint surface of the large diameter end 320 of the inclined portion 32 One of the engaging spaces 325 is correspondingly embedded, and each of the engaging projections 328 disposed on the inner joint surface of the small-diameter end 3200 of the inclined portion 32 is disposed outside the one end 330 of the grip portion 33. Each of the engaging spaces 334 through which each of the outer engaging passages 332 penetrates on the joint surface is correspondingly embedded, so that the outer latching unit 321 of the large-diameter end 320 of the inclined section 32 is at the hitting portion 31 The outer latch unit 321 that rotates in one end 310 and the one end 330 of the grip portion 33 rotates in the small diameter end 3200 of the inclined portion 32 to make the inner latch unit of the one end 310 of the ball striking portion 31 Each of the engaging projections 314 of the 311 is at a position of each of the engaging spaces 325 of the outer latch unit 321 at the large diameter end 320 of the inclined portion 32, and the inclined portion Each of the engaging projections 324 of the outer latch unit 321 of the large diameter end 320 of the 32 is located at each of the fitting spaces 315 of the inner latch unit 311 at one end 310 of the ball striking portion 31, And each of the engaging projections 328 of the inner latch unit 311 of the small-diameter end 3200 of the inclined portion 32 is respectively engaged at the outer latch unit 321 of the one end 330 of the grip portion 33. The position of the space 334 and each of the engaging projections 333 of the outer latch unit 321 of the one end 330 of the grip portion 33 are respectively at the inner latch unit 311 of the small diameter end 3200 of the oblique portion 32. Each of the fitting spaces 329 is positioned to perform each of the engaging projections 324 of the outer latching unit 321 of the large-diameter end 320 of the oblique section 32, and one end 310 of the ball striking portion 31, respectively. Each of the engaging protrusions 314 of the inner latch unit 311 is axially opposed to each other and combined, and each of the engaging tabs of the outer latch unit 321 of the one end 330 of the grip portion 33 333, each of the inset bumps 328 of the inner latch unit 311 of the small diameter end 3200 of the inclined portion 32 respectively form an axial phase abutting relationship and are combined for the oblique The large diameter end 320 of the portion 32 is fixed in one end 310 of the ball striking portion 31, and an end 330 of the grip portion 33 is fixed in the small diameter end 3200 of the inclined portion 32 for providing the bat 2 The connection position between the joint portions 30 of the hollow rod body 3 is more stable.

Referring to FIG. 2 to FIG. 4 again, when the present invention is assembled, each of the engaging tabs of the outer latch unit 321 is disposed at an outer joint surface of the large-diameter end 320 of the inclined portion 32. 324, each of the inner engagement grooves 313 of the inner latch unit 311 facing the inner joint surface of the one end 310 of the ball striking portion 31 is respectively inserted, and the outer joint surface of the large diameter end 320 of the oblique portion 32 is disposed. After each of the engaging projections 324 is aligned with each of the engaging spaces 315 of the inner joint faces of the one end 310 of the ball striking portion 31, the large diameter end 320 of the inclined portion 32 will be After the outer cassette unit 321 rotates in the range of 20 degrees to 270 degrees in one end 310 of the ball striking portion 31, each of the outer cassette units 321 of the large diameter end 320 of the inclined portion 32 is engaged. The bumps 324 are respectively axially opposed to each of the engaging projections 314 of the inner latch unit 311 of the one end 310 of the ball striking portion 31 for providing a large diameter of the oblique portion 32. The end 320 is fixed in one end 310 of the ball striking portion 31 and can be coupled, and each of the outer latching units 321 disposed on the outer joint surface of the one end 330 of the grip portion 33 The engaging projections 333 are respectively inserted into each of the inner engaging passages 327 of the inner latching unit 311 of the inner side engaging surface of the small-diameter end 3200 of the inclined section 32, so that the one end 330 of the grip portion 33 After each of the engaging projections 333 provided on the outer joint surface is respectively aligned with each of the fitting spaces 329 of the inner joint faces of the small-diameter ends 3200 of the inclined section 32, the grip portion 33 will be After the outer latch unit 321 of the one end 330 rotates in the range of 20 degrees to 270 degrees in the small diameter end 3200 of the inclined portion 32, each of the outer latch units 321 of the one end 330 of the grip portion 33 is made. An engaging protrusion 333 is axially opposed to each of the engaging protrusions 328 of the inner latch unit 311 of the small-diameter end 3200 of the inclined portion 32 for providing the grip. One end 330 of the holding portion 33 is fixed in the small-diameter end 3200 of the inclined portion 32 and can be coupled so that the large-diameter end 320 of the inclined portion 32 of the bat 2 and the one end 310 of the ball striking portion 31 The connection position between the end, and the connection position between the one end 330 of the grip portion 33 and the small diameter end 3200 of the inclined portion 32 is more tight to strengthen the stroke of the bat 2 The combination between the portion 31 and the large diameter end 320 of the inclined portion 32, and the combination between the small diameter end 3200 of the inclined portion 32 and the grip portion 33 are more stable, and the slope portion 32 is increased. a joint area between the large diameter end 320 and one end 310 of the ball striking portion 31, and one of the grip portions 33 The joint area between the end 330 and the small diameter end 3200 of the inclined portion 32 is to strengthen the structure of the bat 2, so that the bat 2 lifting design effect is not reduced, and the overall strength and height of the bat 2 can be improved. The design is designed to alleviate the impact force of the bat 2 after hitting the ball, reduce the hand numb feeling after playing, improve the sense of hitting, and make the bat 2 have higher durability.

Referring to FIGS. 2 to 4 again, each of the inner latching units 311 disposed on the inner side of the one end 310 of the large diameter end 320 of the beveling portion 32 is disposed. The in-line 313, each of the engaging projections 314 and each of the fitting spaces 315, and the inner joint surface of the small-diameter end 3200 of the inclined portion 32 integrally connected to the ball striking portion 31 Each of the inner engagement channels 327 of the inner cassette unit 311, each of the engagement projections 328 and each of the fitting spaces 329, and the oblique section portion integrally connected with the holding portion 33 Each of the outer engaging tracks 323 of the outer latch unit 321 on the outer joint surface of the large diameter end 320 of the 32, each of the engaging bumps 324 and each of the engaging spaces 325, and the grip The holding portion 33 faces each of the outer engaging passages 332 of the outer latching unit 321 on the outer joint surface of the one end 330 of the small-diameter end 3200 of the inclined portion 32, each of the engaging projections 333 and each The engaging spaces 334 are respectively formed into a rectangular shape that is coupled to each other, but are not limited to the embodiment.

Referring to the embodiment disclosed in FIG. 2 to FIG. 4 again, the inner latching unit disposed on the inner joint surface of the first joint section of the joint portion 30 of the hollow rod 3 of the bat 2 The range of each of the engaging projections 314 and each of the inner connecting lands 311 is 50% or more and 90% or less of the length of the inner joint surface of the first joint section of the joint portion 30 in the axial direction. a range of each of the inward tabs 328 and each of the in-line tabs 327 of the inner latching unit 311 disposed on the inner mating face of the second engaging section of the engaging portion 30, the joint portion thereof The length of the inner joint surface of the second joint portion of 30 is 50% or more and 90% or less in the axial direction, and the outer joint surface of the second joint portion of the joint portion 30 of the hollow rod body 3 is disposed Each of the outer engagement grooves 323 and each of the engagement projections 324 of the latch unit 321 is 50% or more of the length of the outer joint surface of the second joint portion of the joint portion 30 in the axial direction, 90% or less, the joint portion 30 a range of each of the outer engaging tracks 332 and each of the engaging protrusions 333 disposed on the outer engaging surface of the third engaging section is the third engaging section of the engaging portion 30 The length of the outer joint surface is 50% or more and 90% or less in the axial direction. More specifically, the range of each of the engaging projections 314 and each of the inner engaging tracks 313 of the inner latch unit 311 disposed on the inner joint surface of the one end 310 of the ball striking portion 31 is The length of the inner joint surface of the one end 310 of the ball striking portion 31 is 50% or more and 90% or less in the axial direction, and the outer latch unit disposed on the outer joint surface of the large diameter end 320 of the inclined portion 32 The range of each of the outer engagement grooves 323 and each of the engagement projections 321 of the 321 is 50% or more and 90% or less of the length of the outer joint surface of the large diameter end 320 of the inclined portion 32 in the axial direction. And each of the inward engaging projections 328 and each of the inner engagement passages 327 disposed on the inner engagement surface of the small diameter end 3200 of the inclined section 32 is the oblique section The length of the inner joint surface of the small-diameter end 3200 of the portion 32 is 50% or more and 90% or less in the axial direction, and the outer latch unit 321 disposed on the outer joint surface of the one end 330 of the grip portion 33 The range of each of the outer engagement rails 332 and each of the engagement projections 333 is 50% or more of the length of the outer joint surface of the one end 330 of the grip portion 33 in the axial direction. 90% or less.

Referring to the embodiment disclosed in FIG. 2 to FIG. 4, the first joint section of the joint portion 30 of the hollow rod 3 of the bat 2 and the inner joint surface of the second joint section are disposed. Each of the engaging projections 314 of the inner latch unit 311 and each of the inner connecting tracks 313, and the second engaging portion of the engaging portion 30 are disposed outside the outer joint surface of the third engaging portion Each of the outer engagement grooves 323 of the latch unit 321 and each of the engaging projections 324 have a step difference of 1.0 mm to 3.0 mm, and the inner side of the second joint portion of the joint portion 30 is disposed inside the inner joint surface Each of the engaging projections 328 of the latch unit 311 and each of the inner engaging tracks 327 and the outer latching unit 321 of the outer engaging surface of the third engaging section of the engaging portion 30 The step of the outer connecting channel 332 and each of the engaging bumps 333 is 1.0 mm to 3.0 mm. More specifically, each of the engaging projections 314 of the inner latch unit 311 disposed at one end 310 of the ball striking portion 31 and each of the inner connecting tracks 313 and the large portion of the oblique portion 32 Each of the outer cassette units 321 configured by the diameter end 320 The step of the outer connecting channel 323 and each of the engaging protrusions 324 is 1.0 mm to 3.0 mm, and each of the inner latching units 311 disposed at the small diameter end 3200 of the inclined portion 32 is embedded. Each of the outer ridges 328 and the outer ridges 321 of the outer ferrule unit 321 disposed at one end 330 of the grip portion 33 and each of the engaging bumps The step difference of 333 is 1.0mm~3.0mm.

Referring to the embodiment disclosed in FIG. 2 to FIG. 4, each of the inner latching units 311 of the inner joint surface of the first joint section of the joint portion 30 of the hollow rod 3 of the bat 2 Each of the outer engaging portions 323 of the outer latching unit 321 and the outer engaging surface 313 of the second engaging portion of the engaging portion 30 and Each of the engaging projections 324 and each of the engaging projections 328 of the inner latching unit 311 at the inner side of the second engaging section of the engaging portion 30 and each of the inner engaging portions The 327 is respectively made of rubber material between each of the outer engaging passages 332 and each of the engaging projections 333 of the outer latching unit 321 of the outer joint surface of the third joint portion of the joint portion 30. Or the viscoelastic resin is fixedly coupled to each other, and the inner latch unit 311 for providing the joint portion 30 and the outer latch unit 321 of the joint portion 30 are coupled to each other.

In the embodiment disclosed in FIG. 2 to FIG. 4, each of the inset bumps 314 of the inner latch unit 311 of the one end 310 of the ball striking portion 31 and each of the inlays The connecting line 313 is respectively between each of the outer engaging tracks 323 of the outer latching unit 321 of the large-diameter end 320 of the inclined portion 32 and each of the engaging protrusions 324, and the inclined portion 32. Each of the inset bumps 328 and each of the inner inlays 327 of the inner latch unit 311 of the small diameter end 3200 and the outer latch unit 321 of the one end 330 of the grip portion 33, respectively An inner latching unit 311 is provided between the outer connecting bracket 332 and each of the engaging projections 333 by a rubber material or a viscoelastic resin for providing the inner latching unit 311 of the one end 310 of the ball striking portion 31, and The outer snap unit 321 of the large-diameter end 320 of the inclined portion 32 is more firmly abutted, and the inner latch unit 311 of the small-diameter end 3200 of the inclined portion 32 is held. The abutting engagement between the outer latching units 321 of the one end 330 of the portion 33 is more secure.

Referring to FIGS. 2 to 4 , the first and second joint sections of the joint portion 30 of the hollow rod 3 are made of the same material or a combination of different materials. The first joint portion of the joint portion 30 of the hollow rod body 3 is the ball striking portion 31, the second joint portion is the inclined portion 32, and the third joint portion is the same material. Combination, or three are different material combinations. The material of the ball striking portion 31, the inclined portion 32 and the grip portion 33 is selected from the group consisting of light metals with a specific gravity of 1.5 to 2.9, the light metal is an aluminum alloy or a magnesium alloy, or the carbon fiber reinforced plastic (CFRP) is used. Plastics) or FRP fiber reinforced plastics made of GFRP glass fiber reinforced plastics, or high-strength plastic materials with a strength of 5kgf/mm ² containing PC polycarbonate. Or use engineering plastics represented by PC polycarbonate or super engineering plastics represented by PEEK polymer material (polyether ether ketone) to produce 3kgf/mm. ² -9kgf/mm ² high strength plastic.

In the embodiment shown in FIG. 2 to FIG. 4, the top end of the ball striking portion 31 of the hollow rod 3 of the bat 2 is covered with a cap portion 3100, and The ends of the grip portion 33 abut against abutment portion 34 to form the complete bat 2 . The abutting portion 34 has a base 341 at one end thereof, and a protruding rod 342 which is away from the base 341 and descends upward from the outer diameter of the base 341. The protruding rod 342 is used for the end of the holding portion 33. The inner hollow 3300 is joined, but is not limited to this embodiment. In other possible embodiments, the abutting portion 34 is integrally coupled with the end of the grip portion 33.

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

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

Claims (9)

A bat connecting structure, the bat is a hollow rod body having an inner space, the hollow rod body is provided with at least one joint portion that is engaged with each other, the hollow rod body is provided with a first joint portion and a a second engaging section at one end of the first engaging section, wherein an inner engaging surface of one end of the first engaging section is provided with an inner latching unit, the inner latching unit comprises at least two inner protruding groups, and at least two are respectively Each of the inner protruding groups between the two adjacent inner protruding groups includes a plurality of axially aligned engaging projections, and each of the engaging projections forms an a fitting space through which the embedded channel passes, the second engaging portion is disposed toward an outer engaging surface of one end of the first engaging portion, and an outer latching unit that is engaged with the inner latching unit, the outer latching unit Including at least two outer protruding groups, and at least two outer connecting tracks respectively between each two adjacent outer protruding groups, each of the outer connecting tracks respectively providing each of the inner protruding groups The bumps are placed, and each of the outer protruding groups includes a plurality of axial directions Aligning bumps of the column, each of the engaging bumps forming an engaging space extending through each of the outer engaging tracks, each of the engaging spaces respectively providing each of the inner protruding groups The engaging projection is rotated and placed such that the outer latching unit of the second engaging section of the hollow rod body forms an axial axial relationship with the inner latching unit of the first engaging section, and the first One end of the two engaging sections is fixed in one end of the first engaging section. The connecting structure of the bat according to claim 1, wherein the hollow rod body has two joint portions, and the hollow rod body further comprises: a third joint portion, wherein the first joint portion is away 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, the second engaging section facing one end of the first engaging section The outer engaging surface is provided with the outer latching unit that is engaged with the inner latching unit at one end of the first engaging section, and the inner engaging surface of the other end of the second engaging section is provided with the inner latching unit, the third The joint section faces the second joint section An outer latching surface of one end of the second engaging section is disposed with an outer latching unit that engages with the inner latching unit at the other end of the second engaging section, such that the outer latching unit at one end of the second engaging section of the hollow rod body The inner latching unit of the first engaging section forms an axial phase abutting relationship, and the outer latching unit of the third engaging section forms an axial phase with the inner latching unit at the other end of the second engaging section Correspondingly, one end of the second joint portion is fixed in one end of the first joint portion, and one end of the third joint portion is fixed in the other end of the second joint portion; wherein, the hollow rod body The first engaging portion is a ball striking portion, and the third engaging portion is a grip portion, and the second engaging portion is a diagonal portion connecting the ball striking portion and the grip portion, and the inclined portion is large The diameter end is connected to one end of the ball striking portion, the small diameter end of the bevel portion is connected to the grip portion, and a cap portion is attached to the top end of the ball striking portion, and a tip portion is abutted at the end of the grip portion Abutting portion, the abutting portion has a base at one end, and a distance away from the base and upward from the outer diameter of the base Subtracting a stepped protrusion for engaging the inner end of the grip portion, or the abutting portion is integrally coupled with the end of the grip portion; wherein the inner card of the first joint portion The cymbal unit is disposed at an inner joint surface of the ball striking portion toward one end of the large diameter end of the slanted portion, and the inner nip unit of the second joint portion is disposed at an inner joint surface of the small diameter end of the inclined portion, the The outer latching unit of the two engaging sections is disposed at an outer joint surface of the large diameter end of the inclined section, and the outer latching unit of the third engaging section is disposed at a small diameter end of the gripping portion toward the inclined section An outer joint surface of one end, each of the outer joints of the outer cassette unit disposed at a large diameter end of the inclined portion, respectively providing each of the inner cassette units disposed at one end of the ball striking portion Each of the engaging projections of the inner protruding group is placed, and each of the outer engaging passages of the outer latching unit provided at one end of the grip portion respectively provides the small diameter end of the inclined portion Each of the inset bumps of each of the inner protruding groups of the inner cassette unit is placed, Each of the engaging projections of the inner latch unit provided on the inner joint surface of one end of the ball striking portion, and the outer latch unit provided on the outer joint surface of the large diameter end of the inclined portion Each of the engaging spaces through which each of the outer peripheral passages is correspondingly embedded, and each of the inner latching units provided on the inner joint surface of the small-diameter end of the inclined section And the engaging protrusions are respectively embedded in each of the engaging spaces of the outer engaging passages of the outer latching unit provided on the outer joint surface of the one end of the gripping portion, so that the inclined section is The outer latch unit of the large diameter end rotates in one end of the ball striking portion, and the outer latch unit at one end of the grip portion is swung within the small diameter end of the oblique portion, so that the ball striking portion Each of the engaging projections of the inner latch unit at one end is located at each of the engaging spaces of the outer latch unit at the large diameter end of the inclined portion, and the large diameter end of the inclined portion a position of each of the fitting spaces of the inner latch unit at one end of the ball striking unit, and the inner card of the small diameter end of the inclined portion Each of the engaging projections of the unit is at a position of each of the engaging spaces of the outer latch unit at one end of the grip portion, and each of the outer latch units at one end of the grip portion The engaging projections are respectively located at the position of each of the fitting spaces of the inner latch unit at the small diameter end of the inclined portion Each of the engaging projections of the outer latch unit at the large diameter end of the inclined portion is axially offset from each of the engaging projections of the inner latch unit at one end of the ball striking portion a relationship, and each of the engaging projections of the outer latch unit that performs one end of the grip portion respectively forms an axis with each of the engaging lugs of the inner latch unit at the small diameter end of the inclined portion In a phase-to-top relationship, a large-diameter end of the inclined portion is fixed in one end of the ball striking portion, and one end of the grip portion is fixed in a small-diameter end of the inclined portion. The connecting structure of the bat according to claim 1, wherein the outer latch unit at one end of the second engaging portion of the hollow rod body rotates in the inner latch unit at one end of the first engaging portion. The range is from 20 degrees to 270 degrees. The connecting structure of the bat according to claim 2, wherein the outer latch unit at one end of the second engaging portion of the hollow rod body rotates in the inner latch unit at one end of the first engaging portion Fan The range of 20 degrees to 270 degrees, and the outer card unit at one end of the third joint segment is rotated from 20 to 270 degrees toward the inner end of the second joint. The connecting structure of the bat according to any one of the first to second aspect, wherein the inner engaging surface of the hollow rod body is provided with each of the inner engaging passages of the inner latch unit, Each of the engaging projections and each of the fitting spaces, and each of the outer engaging tracks of the outer latching unit disposed on the outer engaging surface, each of the engaging projections and each of the engaging spaces , respectively, a combined rectangular shape; wherein each of the inner engaging portions of the inner latching surface of the hollow rod body is disposed with each of the inner connecting surfaces and the outer joint surface Each of the outer inlays of the outer cassette unit and each of the engaging protrusions has a step difference of 1.0 mm to 3.0 mm. The bat connecting structure according to any one of the preceding claims, wherein the inner engaging surface of the hollow rod body is provided with each of the inner engaging portions of the inner latching unit The range of each of the in-line joints is 50% or more and 90% or less of the length of the inner joint surface of the joint portion in the axial direction, and the outer joint unit of the outer joint surface of the hollow rod body is disposed The range of each of the outer engagement rails and each of the engagement projections is 50% or more and 90% or less in the axial direction of the outer joint surface of the joint portion. The bat connecting structure according to any one of the preceding claims, wherein the inner engaging surface of the hollow rod body is provided with each of the inner engaging portions of the inner latching unit and Each of the in-line channels is respectively made of rubber material or viscoelasticity between each of the outer engagement channels of the outer card unit and the respective card bumps provided on the outer joint surface of the hollow rod body. The resins are fixed to each other. The connecting structure of the bat according to claim 1, wherein the first joint portion and the second joint portion of the hollow rod body are composed of the same material or a combination of different materials. The connecting structure of the bat according to the second aspect of the invention, wherein the ball striking portion, the oblique portion and the grip portion of the hollow rod body are the same material combination, or the three are different material combinations. The material of the ball striking portion, the inclined portion and the grip portion is selected from the group consisting of light metals with a specific gravity of 1.5 to 2.9, the light metal is an aluminum alloy or a magnesium alloy, or the carbon fiber reinforced plastics or the CFRP carbon fiber reinforced plastics are used. FRRP fiber reinforced plastics made of glass fiber reinforced plastics, or high-strength plastic materials with PCkg polycarbonate strength of 5kgf/mm ² or The engineering plastics represented by PC polycarbonate or the super engineering plastics represented by polyether ether ketone have a strength of 3kgf/mm ² -9kgf. /mm ² high strength plastic.