JP3165282U - Golf club head and face plate - Google Patents

Abstract

An object of the present invention is to provide a golf club head capable of expanding an optimum hitting area of a face plate and increasing the strength of the structure, and a face plate thereof. A face plate (2) includes a striking surface and a back surface (22) opposed to each other. Two adjacent ends 25, 25 are formed, the hitting surface includes a sweet spot, the back surface 22 is provided with a vertical rib 221 and one horizontal rib 222, and the vertical rib 221 has an upper edge. 23, extending in the direction of the bottom edge 24 and passing through the sweet spot, the lateral rib 222 is formed proximate the bottom edge 24, and Both ends of the directional rib 222 are configured to extend toward two ends 25, 25. [Selection diagram] Fig. 1

Description

  The present invention relates to a golf club head and its face plate, and more particularly to a golf club head and its face plate capable of expanding a sweet spot.

  As a structure of a conventional golf club head and its face plate, for example, in Japanese Patent Laid-Open No. 2007-185502 shown in FIG. 4, the golf club head includes one main body 81 and one face plate 82. The face plate 82 is coupled to the main body 81, and the face plate 82 is provided so that one hitting surface and one back face face each other. The hitting surface is exposed from the surface of the main body 81 and is used for hitting a golf ball. On the back side, one lateral rib 821 and a plurality of longitudinal ribs 822 are provided. The respective longitudinal ribs 822 are all connected between both ends of the lateral ribs 821 and are formed to extend downward, and the lateral ribs 821 and the longitudinal ribs 822 are all formed in the lower half of the face plate 82. Some are designed to be provided.

  All the face plates 82 of the conventional golf club head described above include one sweet spot S. The position of the sweet spot S of each golf club head differs depending on the shape or weight of the head, and one sweet hit ball area is included around the sweet spot S, and the golf ball hit in the best hit ball area The flight distance is long and the flight direction is stable.

  As another conventional golf club head and its face plate structure, for example, in Japanese Patent Laid-Open No. 9-154985 shown in FIG. 5, two X-shaped ribs 91 intersecting the back of the face plate 9; 91 is included.

JP 2007-185502 A JP-A-9-154985

  In the first conventional golf club head and the face plate structure described above, the lateral ribs 821 and the longitudinal ribs 822 of the face plate 82 are all provided in the lower half of the face plate 82, and Since the optimum hitting area around the sweet spot S cannot be effectively expanded because the sweet spot S has not passed, there is a problem that the stability of the hit ball of the golf club head is deteriorated.

  In addition, when hitting a golf ball with the face plate 82, the optimum hitting area is the most frequently subjected to the impact of external force and is the maximum place where the force is received. Since the reinforcing design is not provided, the strength of the structure of the face plate 82 is poor, and there is a problem in that the life of the golf club head is affected.

  Furthermore, in the above-described second conventional golf club head and its face plate structure, the strength of the face plate 9 can be increased, but only the portion where the two ribs 91 and 91 intersect is the face plate. Since the ball is close to the center of the hit ball 9, the optimum hit ball area around the sweet spot S cannot be effectively expanded, and the stability of the hit ball of the golf club head is deteriorated. . Thus, the conventional golf club head and its face plate need to be further improved.

  The present invention has been devised in view of such problems, and its main purpose is to provide a golf club head capable of effectively expanding the optimum hitting area of the face plate and the face plate. Is to provide.

  A second object of the present invention is to provide a golf club head and its face plate that can increase the strength of the structure of the face plate.

  In order to achieve the above object, a face plate of a golf club head according to the present invention is included such that one striking face and one back face face each other. One upper edge, one bottom edge, and two ends adjacent to the upper edge and the bottom edge are formed on the outer peripheral edge of the ball striking surface and the back surface. The ball striking surface includes one sweet spot, and the back surface is provided with one longitudinal rib and one lateral rib. The longitudinal rib is formed so as to extend from the vicinity of the top edge toward the bottom edge and through the sweet spot, and the transverse rib is formed so as to be close to the bottom edge, Then, both ends of the lateral rib are formed so as to extend in the direction of the two end portions.

  Further, the longitudinal rib may be connected between both ends of the lateral rib, and one boundary portion may be formed on the longitudinal rib, and the boundary portion may be formed to be lower than the sweet spot. In addition, two concave portions are provided on the back surface, and the two concave portions may be formed on both sides of the longitudinal rib and adjacent to the upper edge. In addition, a gentle slope zone is formed at the periphery of the longitudinal rib, the lateral rib and the two recesses, and the gentle slope zone is connected from the periphery of the longitudinal rib, the lateral rib and the two recesses to the back surface. The wall thickness of the gentle slope zone at the periphery of the longitudinal rib and the lateral rib is gradually decreased outward, and the wall thickness of the gentle slope zone at the periphery of the two recesses is increased outward. It can also be formed.

  In addition, the golf club head according to the present invention includes one main body and one face plate. The body includes one hosel, one opening, one opposing crown and one sole, and one opposing toe and one heel. The face plate is coupled to the opening, and the face plate includes one striking face and one back face. The ball striking surface includes one sweet spot, and the back surface is provided with one longitudinal rib and one lateral rib. The longitudinal rib is formed so as to extend from the vicinity of the crown portion toward the sole portion and through the sweet spot, and the transverse rib is formed so as to be close to the sole portion, and the transverse rib is formed. Both ends of the directional rib are formed so as to extend in the directions of the toe portion and the heel portion, respectively.

  Further, the longitudinal rib may be connected between both ends of the transverse rib, and one boundary portion may be formed on the longitudinal rib, and the boundary portion may be formed to be lower than the sweet spot. In addition, two concave portions are provided on the back surface, and the two concave portions may be formed on both sides of the longitudinal rib and close to the crown portion. In addition, a gentle slope zone is formed at the periphery of the longitudinal rib, the lateral rib and the two recesses, and the gentle slope zone is connected from the periphery of the longitudinal rib, the lateral rib and the two recesses to the back surface. The wall thickness of the gentle slope zone at the periphery of the longitudinal rib and the lateral rib is gradually decreased outward, and the wall thickness of the gentle slope zone at the periphery of the two recesses is increased outward. It can also be formed.

  According to the golf club head and the face plate of the present invention, there is an advantage that the sweet spot of the face plate can be effectively enlarged.

  According to the golf club head and the face plate of the present invention, there is an advantage that the strength of the structure of the face plate can be increased.

FIG. 1 is an exploded perspective view of a state in which a face plate according to an embodiment of the present invention is applied to a golf club head. FIG. 2 is an external front view showing a state in which the face plate of the embodiment of the present invention is applied to a golf club head. FIG. 3 is a sectional view of an assembled state in which the face plate of the embodiment of the present invention is applied to a golf club head. FIG. 4 is a sectional view of an assembled state in which a conventional face plate is applied to a golf club head. FIG. 5 is a front view of another conventional face plate.

  Embodiments of the present invention will be described below with reference to the drawings.

  The center of gravity G referred to in the present invention indicates the point of action of the resultant force of gravity received by each part of the golf club head, that is, the concentration point of the total weight of the golf club head (see FIG. 3).

  The sweet spot S (sweet spot) referred to in the present invention has a center of gravity G indicating a vertical projection point on the face of the golf club head, and a golf ball hit by the sweet spot S under the same hitting condition has a maximum flight distance H. Have

  The optimum hitting area Z referred to in the present invention refers to the zone around the sweet spot S on the face, and the range and size of the optimum hitting area Z differ depending on the shape or weight of the golf club head. . In general, the golf ball hit at any one point in the optimum hitting area Z under the same hitting conditions has a flight distance of about 95% or more of the maximum flying distance H, and the golf hit by the optimum hitting area Z and the sweet spot S The deviation distance of the ball drop point is less than 5% of the maximum flight distance H.

  FIG. 1 is an exploded perspective view of a state in which a face plate according to an embodiment of the present invention is applied to a golf club head. FIG. 2 is an external front view of a state in which the face plate according to an embodiment of the present invention is applied to a golf club head. It is. 1 and 2, the golf club head of the present invention includes a single body 1 and a single face plate 2, and the face plate 2 can be coupled to the main body 1 to form a golf club head. .

  The main body 1 includes one hosel 11 and one opening 12, and the hosel 11 is used for coupling with a shaft. The main body 1 further includes one opposing crown portion 13 and one sole portion 14 and one opposing toe portion 15 and one heel portion 16. Among them, the heel portion 16 is formed so as to be close to the hosel 11. The crown portion 13, the sole portion 14, the toe portion 15 and the heel portion 16 are common parts of the golf club head and will not be described in detail here.

  The face plate 2 is coupled and fixed to the opening 12 of the main body 1, and the face plate 2 includes one opposing ball striking face 21 and one rear surface 22. One upper edge 23, one bottom edge 24 and two ends 25, 25 are formed on the outer peripheral edge between the ball striking face 21 and the back surface 22, and the two ends 25, 25 are the upper edges. 23 and the bottom edge 24 are formed adjacent to each other. When the face plate 2 is coupled to the opening 12, the top edge 23 of the face plate 2 is close to the crown portion 13 of the main body 1, the bottom edge 24 is close to the sole portion 14, and the two end portions 25, 25 are formed so as to be close to the toe portion 15 and the heel portion 16, respectively. Further, the ball striking face 21 is exposed from the surface of the main body 1, and the ball striking face 21 is used for hitting a golf ball.

  FIG. 3 is a sectional view showing an assembled state in which the face plate of the embodiment of the present invention is applied to a golf club head. Referring to FIGS. 1, 2, and 3, one longitudinal rib 221 and one lateral rib 222 are provided on the back surface 22 of the face plate 2. The longitudinal ribs 221 are formed so as to extend from a position close to the upper end edge 23 toward the bottom end edge 24 and to pass through the sweet spot S, so that an optimum hit ball around the sweet spot S is obtained. While expanding the area Z, the strength of the structure of the face plate 2 can be increased.

  The longitudinal rib 221 is preferably adjacent to the upper end edge 22, and the longitudinal rib 221 is formed so that the width of one end adjacent to the upper end edge 23 is relatively narrow and gradually increases toward the other end. The transverse rib 222 is formed so as to be close to the bottom edge 24, and both ends of the transverse rib 222 are formed so as to extend in the direction of the two ends 25, 25, respectively. The center of gravity of the club head can be lowered. The transverse rib 222 preferably has an arc shape and is formed so as to extend along the periphery of the optimum hitting zone Z. The longitudinal rib 221 is connected between both ends of the lateral rib 222, and one boundary portion 223 is formed on the longitudinal rib 221, and the boundary portion 223 is formed to be lower than the sweet spot S. The optimum hitting ball area Z can be further expanded.

  In addition, two other concave portions 224 and 224 are provided on the back surface 22 of the face plate 2, and the two concave portions 224 and 224 are located on both sides of the longitudinal rib 221 and adjacent to the upper edge 23. Formed. Since the thickness of the two recesses 224 and 224 is relatively thin, the center of gravity of the golf club head can be lowered.

  A gentle slope zone 225 is formed on the peripheral edges of the longitudinal rib 221, the lateral rib 222 and the two recesses 224 and 224. The gentle slope zone 225 is formed so as to be connected from the peripheral edge of the longitudinal rib 221, the lateral rib 222 and the two recesses 224, 224 to the back surface 22. The wall thickness of the gentle slope zone 225 at the periphery of the longitudinal rib 221 and the transverse rib 222 decreases outwardly, and preferably is formed to decrease linearly, so that two further recesses 224, The thickness of the gentle slope zone 225 at the peripheral edge of 224 increases outward and preferably increases linearly, thereby reducing stress concentration in the face plate 2. At the same time, the face plate 2 can be prevented from being damaged at the time of hitting.

  As described above, the longitudinal rib 221 of the face plate 2 of the present invention passes through the sweet spot S, and both ends of the lateral rib 222 are formed on the two end portions 25, 25 along the periphery of the optimum hitting area Z. By forming so as to extend in the direction, the optimum hitting area Z around the sweet spot S can be expanded, so that the stability of the hit ball of the golf club head can be effectively increased.

  Further, since the longitudinal ribs 221 and the lateral ribs 222 of the face plate 2 are mainly distributed within the range of the optimum hitting zone Z, the strength of the structure of the face plate 1 can be increased, so that the golf club head The service life can be increased.

  The present invention can be implemented in other ways without departing from the spirit and essential features thereof. Accordingly, the preferred embodiments described herein are illustrative and not limiting.

DESCRIPTION OF SYMBOLS 1 Main body 11 Hosel 12 Opening 13 Crown part 14 Sole part 15 Toe part 16 Heel part 2 Face board 21 Hitting surface 22 Back surface 221 Longitudinal rib 222 Lateral rib 223 Boundary part 224 Recessed part 225 Slow slope zone 23 Upper end edge 24 Bottom edge 25 End 81 Body 82 Face plate 821 Lateral rib 822 Vertical rib 9 Face plate 91 Rib G Center of gravity S Sweet spot Z Optimal hitting area H Maximum flight distance

Claims (8)

  In the face plate of a golf club head including one opposing ball striking surface (21) and one back surface (22), one upper edge (23), one on the outer peripheral edge of the ball striking surface (21) and the back surface (22) Two end portions (25, 25) adjacent to the bottom edge (24) and the top edge (23) and the bottom edge (24), and a sweet spot (21) on the ball striking surface (21). S), and the back surface (22) is provided with one longitudinal rib (221) and one lateral rib (222), and the longitudinal rib (221) is close to the upper edge (23). To the bottom edge (24) and to pass through the sweet spot (S), and the transverse rib (222) is formed close to the bottom edge (24) And both ends of the transverse rib (222) are Face plate of the golf club head, characterized in that it is formed so as to extend in the direction of the respectively two ends (25, 25).   The longitudinal rib (221) is connected between both ends of the transverse rib (222), and one boundary (223) is formed on the longitudinal rib (221), and the boundary (223) is a sweet spot ( 2. The face plate of a golf club head according to claim 1, wherein the face plate is formed to be lower than S).   The back surface (22) is provided with two recesses (224, 224), the two recesses (224, 224) are located on either side of the longitudinal rib (221) and adjacent to the upper edge (23). The face plate of a golf club head according to claim 1 or 2, wherein the face plate is formed as follows.   A gentle slope zone (225) is formed at the peripheral edges of the longitudinal rib (221), the transverse rib (222) and the two recesses (224, 224), and the gentle slope zone (225) is formed by the longitudinal rib (221). ), The lateral rib (222) and the two recesses (224, 224) are formed so as to be connected from the peripheral edge to the back surface (22), and the peripheral edges of the longitudinal rib (221) and the lateral rib (222) The wall thickness of the slope zone (225) is decreased outward, and the wall thickness of the gentle slope zone (225) at the periphery of the two recesses (224, 224) is formed to increase outward. 4. The face plate of a golf club head according to claim 3, wherein   In a golf club head including one main body (1) and one face plate (2), the main body (1) has one hosel (11), one opening (12), and one opposing crown (13). And one sole part (14), one toe part (15) and one heel part (16) opposed to each other, and the face plate (2) is coupled to the opening (12), and is attached to the face plate (2). Is included such that one hitting surface (21) and one back surface (22) face each other, the hitting surface (21) includes one sweet spot (S), and the back surface (22) includes one vertical surface. A direction rib (221) and one transverse rib (222) are provided, and the longitudinal rib (221) extends from a position close to the crown portion (13) toward the sole portion (14). And sweet spot (S) The lateral ribs (222) are formed close to the sole portion (14), and the ends of the lateral ribs (222) are at the toe portion (15) and the heel portion (16), respectively. A golf club head formed so as to extend in a direction.   The longitudinal rib (221) is connected between both ends of the transverse rib (222), and one boundary (223) is formed on the longitudinal rib (221), and the boundary (223) is a sweet spot ( 6. The golf club head according to claim 5, wherein the golf club head is formed so as to be lower than S).   The back (22) is provided with two recesses (224, 224), the two recesses (224, 224) are located on either side of the longitudinal rib (221) and close to the crown (13). The golf club head according to claim 5, wherein the golf club head is formed as follows.   A gentle slope zone (225) is formed at the peripheral edges of the longitudinal rib (221), the transverse rib (222) and the two recesses (224, 224), and the gentle slope zone (225) is formed by the longitudinal rib (221). ), The lateral rib (222) and the two recesses (224, 224) are formed so as to be connected from the peripheral edge to the back surface (22), and the peripheral edges of the longitudinal rib (221) and the lateral rib (222) The wall thickness of the slope zone (225) is decreased outward, and the wall thickness of the gentle slope zone (225) at the periphery of the two recesses (224, 224) is increased outward. The golf club head according to claim 7, wherein:

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