JP3129216U - Golf club head - Google Patents

Abstract

Provided is a golf club head that prevents wrinkles, deformation of a head structure, or concentration of residual stress from occurring by removing stress concentration generated when adjusting the angle of each part.
A golf club head includes a head main body, a hosel portion, a socket portion, and at least one adjustment groove. The head main body 110 has a heel portion 111 and a toe portion 112. The hosel portion 120 is connected to the heel portion 111 of the head main body 110. The socket part 130 is connected to the head main body 110 by the hosel part 120, is externally fitted to the shaft 200 of the golf club, and has an outer peripheral surface. The adjustment groove 131 is provided on the outer peripheral surface of the socket part 130.
[Selection] Figure 1

Description

  The present invention relates to a golf club head, and more particularly to a golf club head having an adjustment groove.

  Generally, a golf club shaft and a club head cannot be improved in hitting effect unless they are adjusted according to the user's body shape, swing posture and customs to meet the user's usage needs. However, the angle of the club head (for example, the lie angle formed by the center line extending from the shaft and the sole portion, or the loft angle formed by the striking surface and the ground) is adjusted. Then, the hitting effect and stability of the golf club may be adversely affected.

  In general, the angle adjustment of the club head is performed by a professional adjuster. However, when the angle adjustment is performed, an external force is applied to the club head, and wrinkles, residual stress concentration and other defects are likely to occur. It was likely to occur at the connection between the socket part of the head and the hosel part. Therefore, when the angle of the club head is adjusted, the safety of the structure and the aesthetic appearance are adversely affected, and the impact effect and stability may be adversely affected.

An object of the present invention is to provide a golf club head that prevents wrinkles, deformation of the head structure, or concentration of residual stress from occurring by removing stress concentration generated when adjusting the angle of each part. .
Another object of the present invention is to provide an adjustment groove on the outer peripheral surface of the socket part or hosel part, thereby removing stress concentration in any direction caused by angle adjustment, and adjusting the angle of each part in any direction. Another object is to provide a golf club head that can also be used.

  In order to achieve the above object, according to the first aspect of the present invention, a head body having a heel part and a toe part, a hosel part connected to the heel part of the head body, and the hosel part connected to the head body. And a socket part that is externally fitted to the shaft of the golf club and has an outer peripheral surface, and at least one adjustment groove provided on the outer peripheral surface of the socket part.

  The invention of claim 2 is characterized in that the adjustment groove is an annular groove.

  The invention of claim 3 is characterized in that the adjustment groove is a plurality of rectangular cutting grooves provided at predetermined intervals on the outer peripheral surface of the socket portion.

  The invention of claim 4 is characterized in that the adjustment groove is a spiral groove.

  The invention of claim 5 is characterized in that the depth of the adjustment groove is directly proportional to the yield strength of the material of the golf club head.

  According to a sixth aspect of the present invention, a head body having a heel portion and a toe portion, a hosel portion connected to the heel portion of the head body and having an outer peripheral surface, and connected to the head body by the hosel portion, a golf club A socket part fitted on the shaft of the hosel part and at least one adjustment groove provided on the outer peripheral surface of the hosel part.

  The invention of claim 7 is characterized in that the adjustment groove is an annular groove.

  The invention of claim 8 is characterized in that the adjustment grooves are a plurality of rectangular cutting grooves provided at predetermined intervals on the outer peripheral surface of the hosel part.

  The invention of claim 9 is characterized in that the adjustment groove is a spiral groove.

  According to a tenth aspect of the present invention, the depth of the adjustment groove is directly proportional to the yield strength of the material of the golf club head.

  The golf club head of the present invention removes the concentration of stress in any direction generated when adjusting the angle of each part of the club head by the adjusting groove. As a result, it is possible to prevent wrinkles, deformation of the head structure or concentration of residual stress from occurring regardless of the direction of angle adjustment of each part of the club head, and the angle adjustment of the golf club head was performed. Later hitting stability can be improved. Since the depth of the adjusting groove corresponds only to the yield strength of the material of the golf club head, it does not affect the safety of the golf club head structure. In addition, since the angle adjustment of the golf club head can be easily performed by the adjustment groove, it can be performed without a professional adjuster.

Embodiments of the present invention will be described below with reference to the drawings.
(First embodiment)
Please refer to FIG. 1 and FIG. FIG. 1 is a front view showing a golf club head according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. The golf club head 100 of this embodiment can adjust the angle (for example, the loft angle or lie angle of the golf club head 100) in order to improve the hitting effect.

  As shown in FIGS. 1 and 2, the golf club head 100 according to the first embodiment is made of a material such as stainless steel, carbon steel, alloy steel, or Fe—Mn—Al alloy, and is manufactured by casting, forging, machining, or the like. Is done. The golf club head 100 according to the first embodiment includes at least a head main body 110, a hosel part 120, and a socket part 130. The head main body 110 includes a heel portion 111, a toe portion 112, and a striking surface 113. The heel portion 111 and the toe portion 112 are formed at both ends of the head main body 110, respectively, and between the heel portion 111 and the toe portion 112, A hitting surface 113 for hitting the ball is formed. The hosel portion 120 is disposed at the heel portion 111 of the head main body 110 and is connected to the socket portion 130. The socket part 130 is fitted on the shaft 200 of the golf club. The socket part 130 has at least one adjustment groove 131 provided on the hosel part 120 side on the outer peripheral surface of the socket part 130. The adjustment groove 131 is formed by a method such as casting, forging, or machining, and removes the concentration of stress generated when adjusting the angle of the club head, and is a deformation space when adjusting the angle of the golf club head 100. By providing this, it is possible to prevent wrinkles from occurring and adversely affect the aesthetics of the golf club head 100 and the safety of the structure.

  Table 1 shows the relationship between the adjustment groove and the mechanical properties of the club head material. As shown in Table 1, the depth of the adjustment groove 131 is determined by the yield strength of the material of the golf club head 100 and is directly proportional to the yield hardness of the material of the golf club head 100. The depth of the adjustment groove 131 is, for example, between 0.1 and 1 mm, and preferably between 0.5 and 0.7 mm. When the yield strength of the material is low and the golf club head 100 is easily deformed, the external force necessary for angle adjustment may be small, so the depth of the adjustment groove 131 is small. On the other hand, the golf club head 100 requires a large external force to adjust the angle when the material has a high yield strength and is difficult to deform. Therefore, the depth of the adjustment groove 131 must be increased in order to remove concentrated stress. Don't be.

  The adjustment groove 131 of the first embodiment is a complete annular groove, and is provided on the hosel portion 120 side on the outer peripheral surface of the socket portion 130. Since the adjustment groove 131 of the golf club head 100 is provided on the outer peripheral surface of the socket portion 130 on the entire circumference of 360 °, the external force applied in any direction by angle adjustment can be reduced. Therefore, the adjustment groove 131 of the socket portion 130 prevents wrinkles, deformation of the head structure, or concentration of residual stress when the angle of the golf club head 100 is adjusted, and hits after adjusting the angle of the club head. Stability can be improved. In addition, the angle adjustment of the golf club head 100 can be easily performed by the adjustment groove 131, so that it can be performed without a professional adjuster. Further, since the depth of the adjustment groove 131 is small (for example, between 0.1 and 1 mm), the entire structure of the golf club head 100 is not adversely affected.

(Second Embodiment)
FIG. 3 is a front view showing a golf club head according to a second embodiment of the present invention. In the present embodiment, unlike the first embodiment, an adjustment groove 131 a is provided on the outer peripheral surface of the hosel portion 120. Therefore, when the angle is adjusted with respect to the hosel portion 120 of the golf club head 100, it is possible to prevent wrinkles, deformation of the head structure, or concentration of residual stress.

(Third embodiment)
FIG. 4 is a front view showing a golf club head according to a third embodiment of the present invention. In the present embodiment, unlike the first embodiment, the adjustment groove 131 b is a spiral groove provided on the hosel part 120 side on the outer peripheral surface of the socket part 130. The number of screw turns of the adjusting groove 131b is determined by the yield strength of the material of the golf club head 100, and is in direct proportion to the yield strength of the material of the golf club head 100. For example, when the yield strength of the material of the golf club head 100 is high (when it is difficult to deform), the number of screw turns of the adjustment groove 131b is increased to remove the concentration of stress generated when adjusting the angle of the golf club head 100. Can do. Therefore, in the third embodiment, when the angle of the golf club head 100 is adjusted without affecting the safety of the structure of the golf club head 100 even if the depth of the groove 131b is further reduced, It is possible to effectively prevent the deformation of the head structure or the concentration of residual stress.

(Fourth embodiment)
Please refer to FIG. 5 and FIG. FIG. 5 is a front view showing a golf club head according to a fourth embodiment of the present invention. 6 is a cross-sectional view taken along line 6-6 of FIG. Unlike the first embodiment, this embodiment has a plurality of adjustment grooves 131c (for example, rectangular cutting grooves) on the outer peripheral surface of the socket part 130 at predetermined intervals on the hosel part 120 side. Is provided. Therefore, these adjustment grooves 131c can remove the concentration of stress in any direction generated when angle adjustment is performed, and when the golf club head 100 is adjusted in angle, wrinkles, deformation of the head structure, or concentration of residual stress occurs. It can be prevented from occurring.

(Fifth embodiment)
FIG. 7 is a front view showing a golf club head according to a fifth embodiment of the present invention. In the present embodiment, unlike the first embodiment, the adjustment groove 131d is provided on the hosel portion 120 side on the outer peripheral surface of the socket portion 130, and the two adjustment grooves 131d adjacent to each other overlap each other. Yes. Therefore, the adjustment groove 131d of the fifth embodiment can remove stress concentration in any direction that occurs when angle adjustment is performed, and prevents wrinkles, deformation of the head structure, or concentration of residual stress. be able to.

(Sixth embodiment)
FIG. 8 is a front view showing a golf club head according to a sixth embodiment of the present invention. Unlike the first embodiment, this embodiment differs from the first embodiment in that the adjustment groove 131e of the sixth embodiment is provided on the outer peripheral surfaces of the hosel part 120 and the socket part 130, and therefore any direction that occurs when angle adjustment is performed. It is also possible to eliminate the stress concentration, and it is possible to prevent wrinkles, deformation of the head structure, or concentration of residual stress.

  As can be seen from the above, the golf club head of the present invention is provided with an adjustment groove (for example, an annular groove, a spiral groove, or a plurality of rectangular cutting grooves) on the outer peripheral surface of the socket part or the hosel part. Since this adjustment groove can remove stress concentration in any direction that occurs when adjusting the angle of the club head, wrinkles, deformation of the head structure, or concentration of residual stress can be prevented. . In addition, the depth of the adjustment groove (eg, between 0.1 and 1 mm) has no adverse effect on the safety of the golf club head structure.

  Although preferred embodiments of the present invention have been disclosed as described above so that those familiar with the treatment can understand, these are not intended to limit the present invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Therefore, the scope of the utility model registration request according to the present application should be construed broadly including such changes and modifications.

1 is a front view showing a golf club head according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. It is a front view which shows the golf club head by 2nd Embodiment of this invention. It is a front view which shows the golf club head by 3rd Embodiment of this invention. It is a front view which shows the golf club head by 4th Embodiment of this invention. FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. It is a front view showing a golf club head according to a fifth embodiment of the present invention. It is a front view which shows the golf club head by 6th Embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 100: Golf club head, 110: Head main body, 111: Heel part, 112: Toe part, 113: Impact surface, 120: Hosel part, 130: Socket part, 131, 131a, 131b, 131c, 131d, 131e: Adjustment groove , 200: Shaft

Claims (10)

A head body having a heel portion and a toe portion;
A hosel part connected to the heel part of the head body;
A socket part connected to the head main body by the hosel part, fitted to the shaft of a golf club, and having an outer peripheral surface;
At least one adjustment groove provided on the outer peripheral surface of the socket portion;
A golf club head comprising:   The golf club head according to claim 1, wherein the adjustment groove is an annular groove.   The golf club head according to claim 1, wherein the adjustment grooves are a plurality of rectangular cutting grooves provided at predetermined intervals on the outer peripheral surface of the socket portion.   The golf club head according to claim 1, wherein the adjustment groove is a spiral groove.   The golf club head according to claim 1, wherein the depth of the adjustment groove is directly proportional to the yield strength of the material of the golf club head. A head body having a heel portion and a toe portion;
A hosel part connected to the heel part of the head body and having an outer peripheral surface;
A socket part connected to the head main body by the hosel part and externally fitted to a shaft of a golf club;
At least one adjustment groove provided on the outer peripheral surface of the hosel part;
A golf club head comprising:   The golf club head according to claim 6, wherein the adjustment groove is an annular groove.   The golf club head according to claim 6, wherein the adjustment grooves are a plurality of rectangular cutting grooves provided at predetermined intervals on the outer peripheral surface of the hosel part.   The golf club head according to claim 6, wherein the adjustment groove is a spiral groove.   The golf club head according to claim 6, wherein the depth of the adjustment groove is directly proportional to the yield strength of the material of the golf club head.

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