CN116265046A - Carbon fiber composite golf club head - Google Patents

Abstract

The invention relates to a carbon fiber composite golf club head, which comprises a carbon fiber composite club head body, a carbon fiber composite club head part and a counterweight part, wherein the carbon fiber composite club head body comprises a hollow body base part integrally formed by laminating a plurality of carbon fiber prepregs and a batting panel part positioned at the front end of the body base part, the carbon fiber composite club head part is fixedly arranged at the top or bottom of the body base part and is fixedly arranged at the rear end of the fiber composite club head body. The main body of the club head is integrally formed by the carbon fiber composite material and comprises a main body base part and a batting panel part, and the weight of the main body part of the club head is greatly reduced by combining with the carbon fiber composite material club head part, so that the counterweight weight is improved.

Description

Carbon fiber composite golf club head

Technical Field

The present invention relates to a golf club head, and more particularly to a carbon fiber composite wood club head.

Background

In order to improve the freedom of design such as the gravity center and moment of inertia (Moment Of Inertia, MOI) of the golf club head, some golf club heads adopt a structure of partial carbon fiber composite materials or adopt a technical means such as casting thin crown (crown), thereby reducing the weight of a part of the club head body in the club head, so that the reduced weight can be transferred to other parts of the club head to change the gravity center of the club head and the moment of inertia during swing.

In the known wood club head structure of composite material, a club head base with an opening at the front end is integrally formed by adopting a carbon fiber composite material, a ball striking plate formed by adopting a carbon fiber composite material or a metal material is fixedly connected to the front end of the carbon fiber composite material club head base, and a counterweight component and the like are arranged at the bottom or the rear end of the carbon fiber composite material club head base.

In the wood head structure of the carbon fiber composite, the weight of the carbon fiber composite-molded head base can be reduced and transferred as a weight, but the wood head structure of the striking plate in which the metal material-molded striking plate is fixedly attached to the front end of the carbon fiber composite-molded head base has a limited weight and a limited margin for transferring to the weight, and in general, the weight of the weight is about 20g, and thus the degree of freedom in designing the weight is limited. In the wood head structure formed by adhering the carbon fiber composite material to the front end of the head base, the weight reduction of the head base can be improved as compared with the wood head structure formed by joining the metal striking plate, but in the structure formed by adhering the carbon fiber composite material to the front end of the head base, there is a problem that the rigidity (flexible) design is difficult to be diversified.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: provided is a golf club head made of carbon fiber composite material, which solves the problems that the weight of the golf club head made of the prior carbon fiber composite material is low, the structure of a batting panel formed by adhering the carbon fiber composite material to the front end of the club head base made of the carbon fiber composite material is difficult to diversify the rigid design, and the like.

The technical proposal provided by the invention is as follows: provided is a carbon fiber composite golf club head including:

the carbon fiber composite rod head body is integrally formed by laminating a plurality of carbon fiber prepregs and comprises a hollow body base, a rod connecting part and a striking plate part, wherein the rod connecting part is positioned at one side of the front end of the body base;

one or two carbon fiber composite rod head parts which are formed by laminating a plurality of carbon fiber prepregs and are fixedly arranged at the opening of the base part of the body; and

at least one weight part fixed at the back end of the main body base of the carbon fiber composite rod head main body.

In the carbon fiber composite golf club head described above, the carbon fiber composite club head body is integrally formed by laminating carbon fiber prepregs selected from the same or different moduli.

In the carbon fiber composite golf club head as described above, the rigidity of the body base portion, the shaft connecting portion, and the striking plate portion are the same as each other or are different from each other or are partially different from each other.

In the carbon fiber composite golf club head as described above, the striking plate portion has a plate base portion, the plate base portion includes a striking section and an outer ring section formed around the striking section, the striking section and the outer ring section have the same or different rigidity from each other or the striking section has a rigidity greater than that of the outer ring section.

In the carbon fiber composite golf club head as described above, an inner member is sandwiched between the panel base portions, and the inner member is a member selected from a metal or a non-metal material.

In the carbon fiber composite golf club head, the outer ring section is integrally formed at the front end of the body base, the striking section comprises a front block and a rear block which are oppositely arranged in the front and rear directions, and a containing space between the front block and the rear block, the inner layer part is arranged in the containing space, the front block and the rear block are oppositely clamped in the front and rear directions, and the outer ring section is connected with the front block and the rear block in a surrounding manner, so that the inner layer part is covered and fixed in the striking section.

In the carbon fiber composite golf club head as described above, the thickness of the body base is 0.5mm to 1.5mm, the thickness of the striking section in which the inner layer member is sandwiched in the striking plate portion is 4mm to 6mm, the thickness of the outer ring section is 3.5mm to 4.5mm, and the thickness of the inner layer member is 0.7mm to 1.2mm.

In the carbon fiber composite golf club head as described above, the inner layer member includes a ring, a core block and a plurality of connection ribs, the core block is located in the ring, the center of the core block is located at the geometric center of the inner layer member, and the plurality of connection ribs are connected between the outer periphery of the core block and the inner periphery of the ring in a spaced arrangement, and are divided into a plurality of hollowed-out portions between the core block and the ring.

In the carbon fiber composite golf club head described above, the weight of the weight member is 20g to 70g.

In the carbon fiber composite golf club head, the rear end of the base of the body forms an assembly concave part, a fixing seat is adhered and fixed in the assembly concave part, a screw hole and fixing holes positioned on one side or two sides of the screw hole are arranged in the fixing seat, a through hole corresponding to the screw hole is arranged in the counterweight part, a screw penetrates through the through hole of the counterweight part and is locked in the screw hole of the fixing seat, one or two alignment posts are arranged on the front side of the counterweight part, and the alignment posts are in concave-convex fit with the fixing holes corresponding to the positions, so that the counterweight part is fixed on the rear side of the fixing seat.

The invention has the following beneficial effects:

1. the weight of the carbon fiber composite material club head body can be reduced, and the weight of the counterweight is further improved: the invention adopts the carbon fiber composite material to integrally form the club head body comprising the body base part and the batting panel part, and combines the carbon fiber composite material club head part, so that the weight of the main body part of the club head can be greatly reduced, and the counterweight weight is improved.

2. The weight design freedom degree of the club head can be improved, and the gravity center position can be changed: the carbon fiber composite golf club head of the invention comprises a club head body with a body base and a batting panel part, and is combined with a carbon fiber composite club head part, so that the weight of the main body part of the club head is greatly reduced, and the weight of the counterweight is improved, therefore, under the condition that the necessary strength of the club head body is not influenced, the weight is reduced, the weight is converted into the weight of the counterweight, the large weight reduction margin is provided, the freedom of the counterweight margin and the counterweight design is relatively improved, and the gravity center position is changed by utilizing the weight adjustment change of the counterweight, so that the batting performance is improved.

The carbon fiber composite golf club head can further adopt a sandwich structure formed by sandwiching an inner layer component in the panel base part of the carbon fiber composite in the batting panel part, so that the batting panel part has due strength and impact resistance, and the inner layer component is selected to be made of different materials or carbon fiber composites with different moduli to generate different rigidity changes, thereby changing the coefficient of restitution (COR) of the batting panel part, simultaneously achieving multiple change combination, adjusting the batting distance, the easy playing performance, the batting feeling or the batting audio of the golf club head, and the like, and leading the rigid design of the club head to be diversified.

Drawings

FIG. 1 is a schematic front perspective view of a preferred embodiment of a carbon fiber composite golf club head of the present invention.

FIG. 2 is a schematic rear perspective view of a preferred embodiment of the carbon fiber composite golf club head of FIG. 1.

FIG. 3 is a top plan schematic view of a preferred embodiment of the carbon fiber composite golf club head of FIG. 1.

FIG. 4 is a schematic side cross-sectional view of the position of the A-A cut line shown in FIG. 3.

FIG. 5 is a schematic plan view of an interior component with hollowed-out portions provided in a striking plate portion of the preferred embodiment of the carbon fiber composite golf club head of FIG. 4.

FIG. 6 is a schematic side cross-sectional view of the position of the A-A parting line shown in FIG. 3.

FIG. 7 is a partially exploded rear perspective view of the preferred embodiment of the carbon fiber composite golf club head of FIG. 1.

The reference numerals simply illustrate:

10 carbon fiber composite material club head body

11 body base

110 opening(s)

1101 bearing ring portion

1102 concave part

12 ball striking faceplate portion

120 panel base

120A ball striking section

120B outer ring section

121 front block

122 rear block

123 inner layer part

1231 loop

1232 core block

1233 connecting rib

13 rod connection portion

131 rod sleeve

132 screw

14 fitting recess

15 fixing seat

151 screw hole

152 fixing hole

20 carbon fiber composite rod head component

30 weight part

31 perforations

32 alignment post

33 screw

Detailed Description

The technical means adopted by the present invention to achieve the intended purpose of the present invention will be further described below with reference to the drawings and preferred embodiments of the present invention.

Referring to fig. 1 and 2, a preferred embodiment of a carbon fiber composite golf club head according to the present invention is shown, and the carbon fiber composite golf club head includes a carbon fiber composite club head body 10, one or two carbon fiber composite club head members 20, and at least one weight member 30.

As shown in fig. 1 to 4, the carbon fiber composite club head body 10 is integrally formed by laminating carbon fiber prepregs selected from the same or different moduli in a mold, the carbon fiber composite club head body 10 includes a hollow body base 11, a shaft connecting portion 13, and a striking plate portion 12, the shaft connecting portion 13 is located at a front end side of the body base 11, the striking plate portion 12 is located at a front end of the body base 11, and one or both of a top and a bottom of the body base 11 form an opening 110 communicating with an inner space of the body base 11. The body base 11, the shaft connecting portion 13 and the striking plate portion 12 have the same rigidity as each other or are different from each other or are partially different from each other.

As shown in the preferred embodiment of fig. 1 to 4, the opening 110 of the body base 11 is disclosed as being formed on the top of the body base 11, and as described above, the opening 110 of the body base 11 may be formed on the bottom of the body base 11, or the top and bottom of the body base 11 may each be formed with an opening 110. In the preferred embodiment shown in fig. 4, the rear end of the body base 11 is formed with a fitting recess 14, and the weight member 30 is installed in the fitting recess 14, and the fitting recess 14 may be changed in its installation position according to the performance of the club head product.

As shown in fig. 1 to 4, the striking plate 12 includes a plate base 120 laminated by carbon fiber prepregs, the plate base 120 includes a striking section 120A and an outer ring section 120B formed around the striking section 120A, and the striking section 120A and the outer ring section 120B are connected to the body base 11 by the outer ring section 120B, and the striking section 120A and the outer ring section 120B have the same or different rigidity from each other or the striking section 120A has a rigidity greater than that of the outer ring section 120B.

As shown in the preferred embodiment of fig. 1-4, the striking plate portion 12 is constructed in a sandwich structure by sandwiching an inner layer member 123 inside a plurality of carbon fiber prepreg laminated plate bases 120. The inner member 123 is selected from metal or non-metal materials, the material selection of the inner member 123 is set according to the product performance requirement, and the material characteristics of the inner member 123 are different from those of the panel base 120, and the coefficient of restitution (Coefficient of Restitution, COR) of the striking plate 12 can be changed according to the different club head product requirements by means of the sandwich structure of the panel base 120 of the lightweight carbon fiber composite material and the inner member 123 with different material characteristics.

In the foregoing, the inner member 123 may be made of a rigid metal material such as a titanium alloy, a magnesium alloy, an aluminum alloy, or an iron alloy, and the inner member 123 made of a rigid metal material is sandwiched between the panel base 120 made of a carbon fiber composite material, so that the rigidity of the striking plate 12 is improved, a clear metal tone is generated, or the bending deformation of the striking plate 12 is assisted to increase the flying distance of the ball after striking, or the inner member 123 may be made of a polymer material, an elastic material, or stone material, so as to increase the shock absorbing performance of the striking plate 12. Alternatively, when the panel base 120 of the carbon fiber composite material is selected from low tonnage (or low modulus) carbon fiber prepregs, for example: the 24 ton carbon fiber prepreg (modulus is 230 Gpa), the inner layer member 123 may be a medium or high ton (or medium or high modulus) carbon fiber prepreg, for example, 30 ton to 60 ton carbon fiber prepreg (modulus is 270 to 560 Gpa), preferably, the inner layer member 123 is a high ton carbon fiber prepreg, for example, 60 ton carbon fiber prepreg, so that the rigidity and strength of the inner layer member 123 are greater than those of the panel base 120. As described above, the sandwich structure in which the inner layer member 123 is sandwiched between the panel base 120 of the striking plate portion 12 allows the striking plate portion 12 to have the required strength and impact resistance, and the coefficient of restitution (COR) of the striking plate portion 12 is changed by changing the rigidity of the striking plate portion 12 by selecting different materials or different moduli for the inner layer member 123.

As shown in fig. 1 to 4, in the striking plate 12, the plate base 120 includes a striking section 120A and an outer ring section 120B formed around the striking section 120A, the outer ring section 120B is integrally formed at the front end of the body base 11, the striking section 120A includes a front block 121 and a rear block 122 arranged in front and rear directions, and a receiving space between the front block 121 and the rear block 122, the inner member 123 is disposed in the receiving space, the front block 121 and the rear block 122 clamp the inner member 123 in front and rear directions, and the outer ring section 120B is formed around the front block 121 and the rear block 122, so that the inner member 123 is fixed in the striking section 120A in a covering manner.

The shape of the inner member 123 in the striking plate 12 is preferably matched with the predetermined striking range, and the inner member 123 may be a plate with a full plate shape, or a mesh, or a plate with a plurality of hollowed-out parts, so that the inner member 123 has a predetermined strength, and the weight of the inner member 123 is properly reduced by the mesh or the hollowed-out parts in the mesh. As shown in fig. 5, the inner member 123 includes a ring 1231, a core block 1232, and a plurality of connecting ribs 1233, wherein the core block 1232 is located in the ring 1231, the center of the core block 1232 is located at the geometric center of the inner member 123, and the plurality of connecting ribs 1233 are connected between the outer periphery of the core block 1232 and the inner periphery of the ring 1231 in a spaced-apart manner, i.e. the plurality of connecting ribs 1233 are separated by a plurality of hollow portions between the core block 1232 and the ring 1231.

As shown in FIGS. 1 to 4, the thickness of the body base 11 is about 0.5mm to 1.5mm, the thickness t4 of the striking section 120A of the striking plate portion 12, in which the inner layer member 123 is sandwiched in the plate base 120, is about 4mm to 6mm, the thickness 3 of the outer ring section 120B is about 3.5mm to 4.5mm, and the thickness t5 of the inner layer member 123 is about 0.7mm to 1.2mm. In the preferred embodiment, the thickness t1 of the front section of the body base 11 is about 1.4mm, the thickness t2 of the rear section of the body base 11 is about 0.7mm, the thickness t3 of the outer ring section 120B of the striking plate portion 12 is 4mm, the total thickness t4 of the striking section 120A sandwiching the inner layer member 123 is 5mm, and the thickness t5 of the inner layer member 123 is 1mm.

As shown in fig. 4, the step d between the outer surface of the bearing ring 1101 of the body base 11 inside the opening 110 and the outer peripheral surface of the body base 11 is about 0.7mm to 1mm, preferably, the step d is about 0.7mm, the width s of the bearing ring 1101 is about 8 mm to 12mm, preferably, the width s of the bearing ring 1101 is 10mm. The distance D between the front edge of the opening 110 of the body base 11 and the front side of the striking plate portion is about 15mm to 25mm, and preferably the distance D between the front edge of the opening 110 of the body base 11 and the front side of the striking plate portion is 20mm. Therefore, the front end of the body base 11 and the periphery of the striking plate part are integrally formed, and the front edge of the opening 110 is kept at a preset length from the striking plate part 12, so that the striking plate has better strength and is enough to bear the impact force during striking.

As shown in fig. 1 to 4, the carbon fiber composite club head 20 is a part formed by laminating a plurality of carbon fiber prepregs in a mold, and is fixedly arranged in an opening 110 of the carbon fiber composite club head body 10 by means of adhesion or other fixing means, and when the opening 110 is arranged on top of a body base 11 of the carbon fiber composite club head body 10, the carbon fiber composite club head 20 is a top cover; when the opening 110 is disposed at the bottom of the body base 11 of the carbon fiber composite club head body 10, the carbon fiber composite club head 20 is a bottom cover.

As shown in fig. 1 to 4, the body base 11 forms a bearing ring 1101 inside the opening 110, the opening 110 communicates with the space inside the body base 11 through the inner space of the bearing ring 1101, a step is formed between the outer side surface of the bearing ring 1101 inside the opening 110 and the outer peripheral surface of the body base 11, the shape of the carbon fiber composite club head 20 is matched with the shape of the opening 110, the thickness of the carbon fiber composite club head 20 is matched with the step, the carbon fiber composite club head 20 is adhered and fixed at the opening 110 of the carbon fiber composite club head 10, and the carbon fiber composite club head 20 is combined with the bearing ring 1101 and the periphery of the opening 110.

As shown in fig. 1 to 3 and 6, a rod sleeve 131 made of a light metal material can be installed in the rod connecting portion 13 integrally formed at one side of the front end of the body base 11, wherein the light metal material can be a titanium alloy or the like, an assembly hole is formed at the bottom end of the rod sleeve 131, a concave portion 1102 in alignment communication with the assembly hole is formed at the bottom of the front end of the body base 11, a screw 132 penetrates the concave portion 1102 at the bottom of the front end of the body base 11, the rod sleeve 131 is locked in the body base 11, and the rod sleeve 131 can be replaced.

As shown in fig. 2, 4 and 7, the number of the weight members 30 may be one or more, the number of the weight members 30 is set according to the requirement of the club head product, the weight members 30 are fixedly disposed at the rear end of the body base 11 of the carbon fiber composite club head body 10, and the weight is greatly reduced by selecting the carbon fiber composite club head body 10 and the carbon fiber composite club head member 20 to be formed by carbon fiber composite members, so that the weight of the reduced weight can be transferred to the weight of the weight members 30. Based on the weight of about 20g of the existing general golf club head, the weight of the one or more weight components 30 of the present invention can be increased to 20 g-70 g, the adjusting margin of the weight is increased, and the gravity center position of the club head can be moved backwards by increasing the weight of the rear end of the club head, the ball flying distance of the club head after hitting a ball is increased. In the preferred embodiment disclosed in the drawings, a fixing seat 15 is adhered and fixed in the assembly recess 14 at the rear end of the body base 11, and the weight member 30 is provided by the fixing seat 15 to be locked and positioned by a screw, preferably, the weight of the weight member 30 is between 55g and 65g, and the weight of the fixing seat 15 is between 8g and 12g, wherein the weight of the weight member 30 is 60g + -1 g.

As shown in fig. 2, 4 and 7, in the foregoing description, the fixing base 15 may be a member formed by metal material (such as stainless steel, aluminum alloy, etc.), the weight member 30 is a member formed by metal material (such as tungsten-nickel alloy, etc.) with a specific gravity greater than that of the carbon fiber composite material, and is locked on the rear side of the fixing base 15 by a screw, wherein a screw hole 151 and fixing holes 152 located on one side or both sides of the screw hole 151 are provided on the rear side of the fixing base 15, a through hole 31 corresponding to the screw hole 151 is provided in the weight member 30, the screw 33 penetrates through the through hole 31 of the weight member 30 and is locked in the screw hole 151 of the fixing base 15, one or two alignment posts 32 are provided on the front side of the weight member 30, and the alignment posts 32 are in concave-convex fit with the fixing holes 152 corresponding to positions, so that the weight member 30 is firmly fixed on the rear side of the fixing base 15. The alignment posts 32 and the fixing holes 152 can also be interchanged to achieve the corresponding fixing effect.

By describing the overall structure of the carbon fiber composite golf club head according to the present invention, it can be understood that the carbon fiber composite is integrally formed into the club head body 10 including the body base 11 and the striking plate 12, and the carbon fiber composite club head member 20 is combined to greatly reduce the weight of the main body portion of the club head, thereby increasing the weight of the weight to 20 g-70 g, and compared with the weight of the conventional club head, which is only about 20g, the carbon fiber composite golf club head of the present invention can effectively increase the weight, and at the same time, the weight of the club head body 10 is reduced to be converted into the weight without affecting the necessary strength thereof, so that the club head body 10 has a larger weight reduction margin, the degree of freedom of weight design is relatively increased, and the gravity center CG depth (i.e., the horizontal distance from the gravity center CG to the striking plate surface) in the club head or the inertia distance (Moment Of inertia, MOI) is increased when the club head is set at a better position, thereby improving the striking performance.

Furthermore, the carbon fiber composite golf club head of the present invention has the sandwich structure comprising the inner layer member 123 sandwiched between the striking plate portion 12 and the plate base 120 of the carbon fiber composite, so that the striking plate portion 12 has the strength and impact resistance, and the inner layer member 123 is selected from different materials or carbon fiber composites with different moduli to change the coefficient of restitution (COR) of the striking plate portion 12, and the present invention can achieve a multiple-varying combination to adjust the striking distance, the easiness, the striking feeling, the striking frequency, etc. of the golf club head, thereby making the design of rigidity (flex) of the golf club head multiple.

The present invention is not limited to the above-mentioned embodiments, but is capable of modification and variation in all embodiments without departing from the spirit and scope of the present invention.

Claims (10)

1. A carbon fiber composite golf club head, comprising:

the carbon fiber composite rod head body is integrally formed by laminating a plurality of carbon fiber prepregs and comprises a hollow body base, a rod connecting part and a striking plate part, wherein the rod connecting part is positioned at one side of the front end of the body base;

one or two carbon fiber composite rod head parts which are integrally formed by laminating a plurality of carbon fiber prepregs and are fixedly arranged at the opening of the base part of the body; and

at least one weight part fixed at the back end of the main body base of the carbon fiber composite rod head main body.

2. The carbon fiber composite golf club head according to claim 1, wherein the carbon fiber composite club head body is integrally laminated with carbon fiber prepregs selected from the group consisting of carbon fiber prepregs having the same or different moduli.

3. The carbon fiber composite golf club head according to claim 2, wherein the body base, the shaft connecting portion and the striking plate portion have the same rigidity as each other or are different from each other or are partially different from each other.

4. The carbon fiber composite golf club head according to claim 2, wherein the striking plate portion has a plate base portion including a striking section and an outer ring section formed around an outer periphery of the striking section, the striking section and the outer ring section being the same as or different from each other or the striking section being more rigid than the outer ring section.

5. The carbon fiber composite golf club head according to claim 4, wherein an inner layer member is sandwiched inside the panel base, the inner layer member being a member selected from a metal or a non-metal material.

6. The golf club head according to claim 5, wherein the outer ring section is integrally formed at a front end of the body base, the striking section includes a front block and a rear block which are arranged in a front-rear opposite manner, and a receiving space between the front block and the rear block, the inner layer member is disposed in the receiving space, the front block and the rear block clamp the inner layer member in a front-rear opposite manner, and the outer ring section is circumferentially connected to the front block and the rear block, so that the inner layer member is fixed in the striking section in a cladding manner.

7. The carbon fiber composite golf club head according to claim 6, wherein the thickness of the body base is 0.5mm to 1.5mm, the thickness of the striking section having the inner layer member sandwiched therein is 4mm to 6mm, the thickness of the outer ring section is 3.5mm to 4.5mm, and the thickness of the inner layer member is 0.7mm to 1.2mm.

8. The carbon fiber composite golf club head according to claim 6, wherein the inner member includes a ring, a core block, and a plurality of connection ribs, the core block is located in the ring, the core block is centered in the geometric center of the inner member, the plurality of connection ribs are connected between the outer periphery of the core block and the inner periphery of the ring in a spaced-apart arrangement, and a plurality of hollowed-out portions are partitioned between the core block and the ring.

9. The carbon fiber composite golf club head according to claim 1, wherein the weight member has a weight of 20g to 70g.

10. The golf club head of any one of claims 1 to 9, wherein a mounting recess is formed at a rear end of the body base, a fixing seat is adhesively fixed in the mounting recess, a screw hole and fixing holes are formed in the fixing seat at one side or both sides of the screw hole, a through hole corresponding to the screw hole is formed in the weight member, a screw penetrates through the through hole of the weight member and is locked in the screw hole of the fixing seat, one or two alignment posts are arranged at a front side of the weight member, and the alignment posts are in concave-convex fit with the fixing holes corresponding to the positions, so that the weight member is fixed at a rear side of the fixing seat.

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