KR102307320B1 - Detachable golf club with adjustable lie angle - Google Patents

Abstract

This embodiment discloses a detachable golf club capable of adjusting the lie angle during assembly.
The disclosed golf club includes a head for striking a golf ball, a protrusion formed therein, a grip for holding the golf club by hand, a first screw receiving portion for fastening with the head is formed at one end, and the other end is coupled with the protrusion of the grip It includes a shaft having a second screw receiving part formed thereon for doing so, a shaft-head coupling part for separating and coupling the head and the shaft, and a shaft-grip coupling part for separating and coupling the grip and the shaft. The shaft-head coupling part, after inserting one end of the shaft into the shaft accommodating space formed in the head, is screw-coupled to the first screw accommodating part to couple the head and the shaft, but the lie angle can be adjusted.
The golf club according to an embodiment of the present invention is detachable, so it is convenient to put it in a golf bag and move, and in particular, there is an advantage that the golf club can be moved conveniently by using public transportation. In addition, according to an embodiment of the present invention, when assembled and used, the lie angle can be adjusted to the user's desired angle, so it is convenient to use, and there is an effect of improving the accuracy and directionality of the ball when hitting.

Description

Detachable golf club with adjustable lie angle

The present invention relates to a detachable golf club that is easy to move, and more particularly, to a detachable golf club capable of adjusting the lie angle during assembly.

In general, a golf club (golf club) is for hitting a golf ball in a golf game, and consists of a grip, a shaft, and a head, and is divided into wood, iron, putter, etc. according to the shape of the head, and the length of the shaft and the length of the head. They are numbered according to size and angle. Usually, the first wood is called a driver, and it is mainly used for tee shots because it has the longest distance among golf clubs, and an iron club with a wide and flat bottom is called a wedge.

Also, in golf clubs, the loft angle means the angle between the line perpendicular to the ground and the face (the surface the golf ball hits), and the lie angle is the angle between the ground and the shaft when the head is placed on the ground. am. Loft angle is related to distance, while lie angle affects ball accuracy and directionality. That is, when the lie angle is high (Upright), the direction of the ball is directed to the left, when the lie angle is correct (Standard), it is directed toward the center, and when the lie angle is low (Flat), it is directed to the right. And when the lie angle is high (Upright), the ball flew to the left is flew with a faded pitch, when the lie angle is correct (Standard), it flies in a straight line, and when the lie angle is low (Flat), the ball flew to the right flies with a draw pitch. . Also, it affects the trajectory, so when the lie angle is high (Upright), the ball is more likely to float and topping is more likely.

On the other hand, when you go out to the field to exercise, there is a problem in that it is inconvenient to move by public transportation because the length of the golf club is long.

In order to solve this problem, a golf club capable of separating the head and shaft of the golf club has been published as Registration No. 10-1604327, and a prefabricated golf club that implements the shaft as a prefabricated type is disclosed as Publication No. 20-1999-002293. have.

Conventional prefabricated golf clubs have a structure that can be separated and assembled, but are difficult to use because it is difficult to adjust the lie angle.

The present invention has been proposed to solve the above problems, and an object of the present invention is to enable separation and assembly with a grip, a shaft, and a head, so that it is easy to move after separation and adjust the lie angle so that the lie angle can be adjusted when assembled and used This is to provide a detachable golf club.

The present embodiment discloses a detachable golf club with an adjustable lie angle. The disclosed golf club includes a head for striking a golf ball, a grip for holding the golf club by hand, a first receiving portion for fastening with the head is formed at one end, and a second receiving portion for coupling with the grip at the other end is formed. and a shaft-head coupling part for separating and coupling the head and the shaft, and a shaft-grip coupling part for separating and coupling the grip and the shaft.

The shaft-head coupling part, after inserting one end of the shaft into the shaft accommodating space formed in the head, is screwed to the first screw accommodating part to couple the head and the shaft, but the lie angle can be adjusted.

The shaft-grip coupling part is screwed to the protrusion of the grip and the second screw receiving part of the shaft, and is screwed to the screw engaging jaw of the shaft through a coupling screw embedded in the protrusion of the grip to be double screwed.

The golf club according to an embodiment of the present invention is detachable, so it is convenient to put it in a golf bag and move it, and in particular, there is an advantage that the golf club can be moved conveniently by using public transportation.

In addition, according to an embodiment of the present invention, when assembled and used, the lie angle can be adjusted to the user's desired angle, so it is convenient to use, and there is an effect of improving the accuracy and directionality of the ball when hitting.

1 is an exploded perspective view of a detachable golf club according to an embodiment of the present invention;
2 is an assembled perspective view of a detachable golf club according to an embodiment of the present invention;
3 is a detailed view of a shaft-grip fastener according to an embodiment of the present invention;
4 is a detailed view of a shaft-head fastening part according to an embodiment of the present invention;
5 and 6 are exemplary views of adjusting the lie angle of a detachable golf club according to an embodiment of the present invention;
7 is a state diagram in which a detachable golf club according to an embodiment of the present invention is mounted on a golf case;
8 is an example of a golf case containing a detachable golf club according to an embodiment of the present invention.

The present invention and the technical problems achieved by the practice of the present invention will become clearer by the preferred embodiments of the present invention described below. The following examples are merely illustrative of the present invention, and are not intended to limit the scope of the present invention.

1 is an exploded perspective view of a detachable golf club according to an embodiment of the present invention, FIG. 2 is an assembled perspective view of a detachable golf club according to an embodiment of the present invention, and FIG. 3 is a shaft according to an embodiment of the present invention - details of a grip coupling part It is also

As shown in FIGS. 1 and 2, the detachable golf club 100 according to an embodiment of the present invention includes a head 110 for striking a golf ball, a shaft 120, and a grip 130 for holding the golf club by hand. ), a shaft-head coupling part 140 for separating and coupling the head 110 and the shaft 120, and a shaft-grip coupling part 150 for separating and coupling the grip 130 and the shaft 120. is composed The shape and weight of the head 110, the length of the shaft 120, etc. vary depending on the type of golf club, but in the embodiment of the present invention, a general shape consisting of a head, a shaft, and a grip will be described as an example.

In addition, the angle (θ) between the ground and the shaft 120 when the head 110 is placed on the ground in the assembled golf club 100 is called a lie angle. θ) can be adjusted.

Referring to FIG. 1 , a protrusion 132 for screwing with the shaft 120 is formed on the grip 130 , and a second screw for screwing with the protrusion 132 of the grip at the upper end of the shaft 120 . A receiving portion 124 and a screw engaging projection 126 are formed, and a first screw receiving portion 122 for coupling with the head 110 is formed at the lower end of the shaft 120 .

As shown in FIG. 3 , the shaft-grip coupling part 150 has a coupling screw 152 that prevents separation inside the protrusion 132 of the grip 130 , and includes the grip 120 and the shaft 120 . ), the protrusion 132 of the grip is primarily screwed to the first screw receiving portion 124 of the shaft, and then the coupling screw 152 is screwed back into the screw hole of the screw coupling jaw 126 to double. It can be fastened. To this end, the coupling screw 152 has a flat head 152a on the inside of the protrusion 132, a support head 152b is formed on the outside, and a screw thread 152c is formed at the bottom of the support head, so that the screw coupling jaw 126 is formed. It can be screwed into the screw hole of As described above, the shaft-grip coupling structure 150 according to the embodiment of the present invention is double-screwed so that the grip 130 and the shaft 120 are strongly coupled.

In addition, in the embodiment of the present invention, the coupling of the grip and the shaft has been described as an example of screw coupling using screws or bolts, but the structure in which the grip and the shaft are connected by a hinge method and then foldable and fit in a concave-convex way, and a rotation coupling structure Other various coupling methods that can reduce the length of the golf club when moving the back can be used.

4 is a detailed view of a shaft-head fastening part according to an embodiment of the present invention, and FIGS. 5 and 6 are exemplary views of adjusting the lie angle of a detachable golf club according to an embodiment of the present invention.

The shaft-head coupling unit 140 according to the embodiment of the present invention includes a shaft accommodating space 112a, a guide screw operation space 112b, and a fixing screw accommodating space 112c in the head 110 as shown in FIG. 4 . is formed, and a support protrusion 114 for supporting the shaft 120 is formed in the shaft insertion hole of the shaft receiving space 112a, and a guide screw 144 is inserted into the guide slit 116, and a set screw Fixing screws 142-1 and 142-2 are fitted in the accommodation space 112c. The guide slit 116 may be positioned near the bottom of the head 110 , and only one of the two fixing screws 142-1 and 142-2 may be installed.

Preferably, these screws (142-1, 142-2, 144) are such that the flat head and the supporting head are fitted into the screw hole or the guide slit so as not to be separated from the head 110, thus preventing the screws required for coupling from being lost. it is made possible

The process of coupling the shaft 120 and the head 110 in the shaft-head coupling structure 140 according to an embodiment of the present invention will be described as follows.

Insert one end of the shaft 120 into the shaft insertion hole of the shaft accommodating space 112a, fasten the threaded portion 144c of the guide screw 144 to the first screw receiving portion 122 of the shaft, and then fully tighten the support protrusion After adjusting the lie angle appropriately by rotating the shaft 120 about the axis (114), the guide screw 144 is completely fastened. When the guide screw 144 moves the shaft 120 left/right with the support protrusion 114 as the axis in a state in which it is loosely fastened with the shaft 120, the lie angle can be adjusted while moving right/left along the concave guide slit 116. there is to be

When the lie angle adjustment is completed, the shaft 120 is fixed so as not to move by adjusting the fixing screws 142-1 and 142-2 disposed on both sides of the shaft insertion hole. A pad 142a made of a soft material may be attached to the ends of the fixing screws 142-1 and 142-2 in order to protect the shaft 120 and improve adhesion with the shaft 120 .

As such, when the coupling of the head 110 and the shaft 120 is completed, the shaft 120 is fastened by the guide screw 144 and the fixing screws 142-1 and 142-2 on both sides to the head 110 and the shaft. 120 may be firmly coupled.

5 is a conceptual diagram of adjusting the lie angle to θ1 while moving the shaft 120 to the right in a state in which the shaft and the guide screw are loosely fastened, and the guide screw 152 is moved to the left along the concave guide slit 116. , Figure 6 is a conceptual diagram of adjusting the lie angle to θ2 while moving the shaft 120 to the left in a state in which the shaft and the guide screw are loosely fastened, and the guide screw 144 is moved to the right along the concave guide slit 116. In practice, since the lie angle θ is preferably in the range of 45° to 85°, it is sufficient that the concave guide slit 116 has a circumferential angle that can adjust this range. For example, when the shaft length from the support protrusion 114 to the head of the guide screw 144 is r1, the guide slit 116 for having an adjustment range of 40 ° (85 °-45 ° = 40 °) The arc length can be calculated as 40°/360°×2πr1=1/9×2πr1.

7 is a diagram illustrating a state in which a detachable golf club according to an embodiment of the present invention is mounted on a golf case, and FIG. 8 is an example of a golf case containing a detachable golf club according to an embodiment of the present invention.

The golf club 100 according to the embodiment of the present invention has an advantage in that it can be moved using public transportation because it can be moved after being separated as shown in FIGS. 7 and 8 and placed in the golf bag case 200 .

In the above, the present invention has been described with reference to one embodiment shown in the drawings, those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom.

100: detachable golf clubs 110: head
112a: shaft accommodation space 112b: guide screw operation space
112c: fixing screw receiving space 114: support protrusion
116: guide slit 120: shaft
122, 124: screw receiving portion 126: screw engaging jaw
130: grip 132: protrusion
140: shaft-head coupling portion 142-1, 142-2: set screw
144: guide screw 150: shaft-grip fastening part
152: coupling screw 200: golf bag case

Claims (3)

Head 110 for hitting the golf ball;
Grip 130 for holding the golf club by hand;
a shaft 120 having a first accommodating portion formed at one end for coupling with the head and a second accommodating portion formed at the other end for coupling with the grip;
a shaft-head coupling unit 140 for separating and coupling the head and the shaft; and
and a shaft-grip coupling part 150 for separating and coupling the grip and the shaft,
The shaft-head coupling part 140 is
A shaft accommodating space 112a, a guide screw manipulation space 112b, and a fixing screw accommodating space 112c are formed in the head 110, and the shaft 120 is installed in the shaft insertion hole of the shaft accommodating space 112a. A support protrusion 114 for supporting is formed, a guide screw 144 is inserted into the guide slit 116, and set screws 142-1 and 142-2 are fitted in the fixing screw receiving space 112c,
Insert one end of the shaft 120 into the shaft insertion hole of the shaft accommodating space 112a, fasten the threaded portion 144c of the guide screw 144 to the first screw receiving portion 122 of the shaft, and then support it before fully tightening. When the shaft 120 is rotated left/right with the protrusion 114 as an axis, the lie angle can be adjusted while the guide screw 144 moves right/left along the concave guide slit 116, and after completing the lie angle adjustment, the guide screw (144) is fully fastened, and by adjusting the fixing screws (142-1, 142-2) disposed on both sides of the shaft insertion hole to prevent the shaft 120 from moving, a detachable golf club with adjustable lie angle, characterized in that it is fixed. delete According to claim 1, wherein the shaft-grip fastening portion
Using various coupling methods that can reduce the length of golf clubs when moving, such as screw coupling using screws or bolts, folding that can be folded after connecting the grip and shaft in a hinge method, custom structure that fits in an uneven method, and rotation coupling structure A detachable golf club with adjustable lie angle.

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