KR20250030833A - Weight control type grip for golf club and golf club thereof - Google Patents

Abstract

The present invention relates to a grip for a weight-adjustable golf club and a golf club having the grip, wherein a variable weight is inserted into an insertion hole of a grip body and is seated on a step, and the variable weight is fixed by the magnetic force of a magnetic ring, and the variable weight portion is configured to be inserted into the center of the magnetic ring so that the size of the variable weight portion can be varied to implement a stable swing trajectory according to the physical condition of the golfer, etc., and the control of the golf club is facilitated so that hand first head last is achieved until the moment of impact without casting or scooping, and the shaking and torsional torque of the head are reduced to enable a stable swing, and the feel of the impact and the directionality of the ball can be improved while increasing the distance.

Description

Weight control type grip for golf club and golf club having the grip {WEIGHT CONTROL TYPE GRIP FOR GOLF CLUB AND GOLF CLUB THEREOF}

The present invention relates to a weight-adjustable grip for a golf club and a golf club having the grip, and more specifically, to a weight-adjustable grip for a golf club and a golf club having the grip, which can implement a stable swing trajectory by configuring a variable weight body to be replaced and combined in accordance with the physical condition of a golfer, etc., within an insertion hole of a grip body.

Golf is a sport in which a player uses a driver to tee off from a tee box, then uses woods, irons, utility clubs, and wedge clubs to make second and third shots or approaches to land the ball on the green, and then uses a putter to put it into a hole formed on the green, thereby completing one hole. It is advantageous to record more scores below the prescribed number of strokes over 18 holes.

Golf, enjoyed by many people around the world, has recently become a popular sport in Korea, and as a result, the development of scientifically researched and developed equipment is becoming active. The most important of these equipment is definitely the golf club, and these golf clubs are divided into wood clubs, iron clubs, and putters according to the purpose of the head.

A typical golf club consists of a head, shaft, and grip.

The shaft is mainly made of lightweight steel and carbon materials, and regardless of whether it is a driver, wood, utility, iron or wedge club, the tip end where the head connects is small in diameter and thick, and the butt end where the grip connects is large in diameter and thin. The center of gravity of the shaft itself is always in the middle of the length of the entire shaft.

The golf club is completed with the head attached to the tip end of the shaft and the grip attached to the butt end. However, if the player simply swings the golf club with this simple configuration, the player's physical condition, the weight of the head, the weight of the shaft, and the swing weight (swing balance) will not be satisfied, making a correct swing impossible.

If the weight of the golf clubs is the same but the swing weight is different in position, or if the golf club is heavy but the swing weight is low, or if the golf club is light but the swing weight is high and there is an issue with the balance, the perceived weight of the golfer will feel heavier or lighter than the actual weight, making it difficult to swing correctly during the swing process, or if a malicious hook or slice occurs when hitting the ball with a swing, it cannot be ruled out that the golfer may experience a casting phenomenon or scooping phenomenon due to the head first, which is not a normal swing where the impact is made through the head last after the hand first.

Likewise, various efforts have been made to improve shafts so that golfers can maintain stable swings, and these efforts have even reached the point of fitting, where the weight and loft angle of the head are adjusted in response to the length and weight of the shaft according to the golfer's physical condition, and the weight, thickness, and diameter of the grip are adjusted to create a customized shape. However, in the actual process of golfers performing a swing, they are unable to pursue perfection.

For example, if the head has a high-rebound face and is lightweight but the shaft weight is increased to match the overall weight of the golf club, or if the head has a general weight but the shaft weight is reduced, the golf club will not be able to maintain the swing balance of the entire golf club, which will cause the golf club to feel very light or heavy, as mentioned above.

If the golf club feels light because the swing balance of the golf club is not maintained stably (normally), the centrifugal force that tries to swing (rotate) the golf club becomes greater than the centripetal force that tries to hold the golf club back from coming out during the swing process of the golfer, so the head moves unnecessarily ahead, making it difficult to create an accurate impact and unable to escape the casting phenomenon or scooping phenomenon caused by head first, resulting in the ball quality being in the form of a top ball and a head ball, as well as a malicious hook and a malicious slice.

In addition, when the centripetal force is excessive and the centrifugal force is weak, the force applied to the ball at impact is small, so even if there is a normal hit, the distance is reduced, and various problems occur, such as the head speed decreasing, it becoming difficult to hit the ball on the sweet spot of the head, and the shaft shaking becoming severe.

Meanwhile, domestic utility model registration No. 20-0234270 discloses a "weight for golf swing practice", which is a weight that is fixed to a golf club shaft and used for practicing golf swings. However, conventional weights for golf swing practice are attached to the shaft of a golf club to strengthen muscle strength and physical strength when practicing golf swings, so they are very cumbersome to use and do not help in practicing swing paths.

Also, a “weight variable golf grip” is disclosed in Korean Utility Model No. 20-0410195.

A conventional variable weight golf grip is configured such that a cap portion is separated and attached to the grip body, and the cap portion is configured to vary the weight, volume, or specific gravity.

However, conventional variable weight golf grips have a configuration that simply changes the weight or volume of the cap, making it difficult to control the golf club, making it difficult to achieve a stable swing, and making it difficult to increase distance.

Domestic practical use registration No. 20-0234270 Domestic practical use registration No. 20-0410195

The present invention has been invented to improve the above-mentioned problems, and the problem to be solved by the present invention is to provide a weight-adjustable golf club grip and a golf club having the grip, which inserts a variable weight into an insertion hole of a grip body and places it on a step, fixes the variable weight by the magnetic force of a magnet ring, and configures the weight variable portion to be inserted into the center of the magnet ring so that the size of the weight variable portion can be varied to implement a stable swing trajectory according to the physical condition of the golfer (user), and facilitates the control of the golf club so that hand first and head last are achieved until the moment of impact without casting or scooping, reduces head shaking and torsional torque to enable a stable swing, and improves the feel of impact and the directionality of the ball while increasing the distance.

The technical problems of the present invention are not limited to those mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

In order to achieve the above object, a weight-adjustable golf club grip according to an example of the present invention has the technical features of comprising: a grip body provided at the rear end of a shaft of a golf club, having an insertion hole formed at the rear, and a joining groove and a step formed on the inner surface of the insertion hole; a magnetic ring fitted into the joining groove and joined; and a variable weight body made of iron, which is inserted into the insertion hole of the grip body, is seated on the step, is fixed by the magnetic force of the magnetic ring, and has a weight variable portion inserted into the center of the magnetic ring and capable of varying the weight.

Additionally, the rear surface of the variable weight body is configured to be positioned on the same plane as the rear surface of the grip body.

Additionally, the magnetic ring can be fitted into the coupling groove in a force-fit manner.

In addition, a weight-adjustable golf club grip according to another example of the present invention may be configured such that a plurality of guide protrusions are formed on the inner surface of a hole formed in the center of a magnetic ring, and a plurality of guide grooves are formed on the outer surface of the weight variable portion, so as to guide the weight variable portion when inserted into the hole of the magnetic ring.

In addition, according to another example of the present invention, a weight-adjustable golf club grip has a weight variable portion configured separately from the main body of the variable weight body, and the weight variable portion is configured in various sizes and can be interchangeably assembled to the main body of the variable weight body according to size.

In addition, a weight-adjustable golf club grip according to another example of the present invention has a technical feature that further comprises: a plurality of swing trajectory sensors installed on the rear front, rear, left, and right sides of the variable weight body to detect a swing trajectory of a golfer's golf club; a short-range wireless communication unit installed in the grip body to transmit and receive swing trajectory data of the golfer detected by the swing trajectory sensors; and a terminal having an application that receives the swing trajectory data of the golfer through the short-range wireless communication unit to track the swing trajectory and provide swing correction information to the golfer.

As described above, the present invention has the following effects.

First, by varying the size of the variable weight portion, a stable swing trajectory can be implemented according to the physical condition of the golfer, etc., and the golf club can be easily controlled so that hand first head last is achieved until the moment of impact without casting or scooping, and the shaking and torsional torque of the head are reduced to enable a stable swing, and the feel of the impact and the directionality of the ball can be improved while increasing the distance.

Second, it can improve the swing, and it has excellent directional stability and ball capture.

Third, the rear of the variable weight body is located on the same plane as the rear of the grip body and does not protrude outward, thus not compromising the appearance.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Figure 1 is a perspective view showing a combined golf club having a weight-adjustable golf club grip according to the first embodiment of the present invention.
FIG. 2 is an exploded perspective view of a golf club having a weight-adjustable golf club grip according to a first embodiment of the invention.
Figure 3 is an enlarged view of Figure 2.
Figure 4 is a cross-sectional view of Figure 1.
Figure 5 is a cross-sectional view of Figure 2.
FIG. 6 is a drawing explaining the replacement of a variable weight in a weight-adjustable golf club grip according to the first embodiment of the invention.
Figure 7 is a drawing explaining the swing orbit when swinging using the golf club of the present invention.
Figure 8 is a cross-sectional view showing a double injection structure in a weight-adjustable golf club grip according to the first embodiment of the present invention.
Figure 9 is an exploded perspective view showing a weight-adjustable golf club grip according to a second embodiment of the present invention.
Figure 10 is a cross-sectional view showing a weight-adjustable golf club grip according to a third embodiment of the present invention.
FIG. 11 is a perspective view showing a weight-adjustable golf club grip according to the fourth embodiment of the present invention.
Figure 12 is a block diagram illustrating detection of swing orbit and provision of swing correction information.

Hereinafter, with reference to the attached drawings, a weight-adjustable golf club grip and a golf club having the grip according to a preferred embodiment of the present invention will be described in detail.

FIG. 1 is a perspective view illustrating a combined golf club having a weight-adjustable golf club grip according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view illustrating a golf club having a weight-adjustable golf club grip according to the first embodiment of the present invention, FIG. 3 is an enlarged view of FIG. 2, FIG. 4 is a longitudinal sectional view of FIG. 1, and FIG. 5 is a longitudinal sectional view of FIG. 2. And FIG. 6 is a drawing illustrating the replacement of a variable weight in a weight-adjustable golf club grip according to the first embodiment of the present invention.

First, referring to FIGS. 1 to 5, the golf club (200) of the present invention comprises a head (10); a shaft (20); and a grip (100) for a weight-adjustable golf club configured such that a variable weight (130) is inserted into an insertion hole (111) of a grip body (110) and is seated on a step (113), the variable weight (130) is fixed by the magnetic force of a magnetic ring (120), and the weight variable part (131) is inserted into the center of the magnetic ring (120).

The golf club (200) of the present invention can implement a stable swing trajectory according to the physical condition of the golfer by varying the size of the weight variable part (131), and can easily control the golf club (200), so that hand first and head last are achieved until the moment of impact without casting or scooping, and the shaking and torsional torque of the head are reduced to enable a stable swing, and the feel of the impact and the directionality of the ball can be improved while increasing the distance of the ball.

The weight-adjustable golf club grip (100) according to the present invention may be configured to include a grip body (110) provided at the rear end of a shaft (20) of a golf club (200), having an insertion hole (111) formed at the rear, and a joining groove (112) and a step (113) formed along the inner surface of the insertion hole (111); a magnetic ring (120) fitted into the joining groove (112) and joined; and a variable weight body (130) made of iron, which is inserted into the insertion hole (111) of the grip body (110), is seated in the step (113), is fixed by the magnetic force of the magnetic ring (120), and has a weight-variable portion (131) inserted into the center of the magnetic ring (120) and capable of varying the weight.

The grip body (110) of the present invention is the part of the golf club that the golfer holds with his hand when swinging. Animal leather and cloth, etc. may be used as the material for the grip body (110), but soft rubber or synthetic resin, etc. that is soft and has a good feel for the golfer to hold the golf club may be used.

The grip body (110) is provided at the rear end of the shaft (20) of the golf club (200), an insertion hole (111) is formed at the rear, and a joining groove (112) and a step (113) are formed along the inner surface of the insertion hole (111).

The above magnetic ring (120) can be joined by force fitting into the joining groove (112).

That is, since the grip body (110) is made of soft rubber or synthetic resin, the magnetic ring (120) can be flexibly assembled into the joining groove (112) in a forced fit manner.

The rear surface of the above variable weight body (130) is located on the same plane as the rear surface of the grip body (110) and is structured so as not to protrude to the outside, thereby protecting the appearance beautifully.

As shown in FIG. 6, the size and weight of the variable weight body (130) can be varied, and a variable weight body (130) having a length (L1) or length (L2) of the weight variable part (131) can be replaced to suit the physical condition of the golfer.

The swing orbit and effect when swinging using a golf club having a variable weight grip according to the present invention configured as described above will be described.

Figure 7 is a drawing explaining the swing orbit when swinging using the golf club of the present invention.

Figure 7 shows the top of the swing state, and the swing plane (SP) is indicated by a two-dotted line.

There may be an ideal swing plane (SP) for each individual golfer, and it is known that a swing in which the golf club (200) and the golfer's hands move along the swing plane (SP) has less deviation, a stable swing orbit, and makes it easy to make nice shots. Such a good swing is also called an on-plane swing.

Regarding the effect of the golf club on the swing, amateur golfers usually have weak body and arm strength, so they are generally unable to pull their arms down from the top throughout the downswing. For this reason, in the case of amateur golfers, the body rotation precedes from the top throughout the downswing. If the body rotation precedes from the top throughout the downswing, the arms lag behind and the golfer's hands deviate from the swing plane (SP). In this off-plane swing, the deviation in the swing increases, which increases the deviation in the hitting point, the distance and the hitting direction are also disrupted, and the swing orbit becomes outside-in, making it easy for the hit ball to have a slice rotation.

In this way, for amateur golfers, the swing path tends to deviate from the swing plane (SP) and tends to become outside-in. Normally, it has been thought that heavy clubs are difficult to swing and that the head speed decreases, so light clubs have been developed, but light clubs have the disadvantage of easily causing off-plane swings.

The golf club (200) of the present invention is intended to solve the above-described problem, and by fixing a variable weight by the magnetic force of a magnetic ring and configuring the variable weight portion to be inserted into the center of the magnetic ring, the size of the variable weight portion can be varied to implement a stable swing trajectory according to the physical condition of the golfer, etc., and makes it easy to control the golf club, so that hand first and head last are achieved until the moment of impact without casting or scooping, and head shaking and torsional torque are reduced to enable a stable swing, and the feel of the impact and the directionality of the ball can be improved while increasing the distance.

When the golf club of the present invention is used, the effects are as follows.

① Speed increase effect

Until now, it has been thought that making golf clubs lighter is essential for improving the ease of swinging and head speed, but by increasing the weight of the golf club, the swing trajectory can be improved, and since a large gravitational force acts on the golf club from the top to the entire downswing, a force acts to move the golf club downward, making it easy for the golfer's hands to pass close to the body, so that in a swing in which the hands pass close to the body, strength is easily applied to the arms, and the speed at which the arms are pulled down increases. Since the speed at which the arms are pulled down in the first half of the downswing is faster, the kinetic energy obtained by the arms increases. Since this kinetic energy of the arms is transferred to the head of the golf club in the latter half of the downswing, the head speed increases.

② On-plane effect

Since it is easy to pull the arms down throughout the downswing from the top, it is difficult for the golfer's hands to deviate from the swing plane (SP), making it easy to swing along the swing plane (SP), making it easy to achieve an on-plane swing. By achieving an on-plane swing, the deviation of the hitting point is suppressed, and the deviation of the distance and hitting direction is also suppressed (on-plane effect).

③ Swing correction effect

By adjusting the weight of the golf club, the arm speed increase effect and the on-plane effect can be obtained, and the swing correction effect can be obtained by suppressing the swing inertia moment.

FIG. 8 is a longitudinal cross-sectional view illustrating a double injection structure in a weight-adjustable golf club grip according to the first embodiment of the present invention.

As illustrated in FIG. 8, a weight-adjustable golf club grip (100) according to the first embodiment of the present invention may be composed of a grip body (110A) and a joining portion (110B) joined to the grip body (110A). The grip body (110A) may be made of natural rubber or the like, and the joining portion (110B) may be made of synthetic resin or the like. The joining portion (110B) may be provided with the aforementioned magnetic ring (120) and variable weight body (130).

Meanwhile, FIG. 9 is an exploded perspective view illustrating a weight-adjustable golf club grip according to a second embodiment of the present invention.

Referring to FIG. 9, a grip (100) for a weight-adjustable golf club according to a second embodiment of the present invention may be configured such that a plurality of guide protrusions (122) are formed on the inner surface of a hole (121) formed in the center of a magnetic ring (120), and a plurality of guide grooves (132) are formed on the outer surface of a weight variable portion (131), so as to guide the weight variable portion (131) when inserted into the hole (121) of the magnetic ring (120). The weight variable portion (131) may be stably inserted into the hole (121) of the magnetic ring (120) by the combination of the guide grooves (132) and the guide protrusions (122).

Meanwhile, FIG. 10 is a longitudinal cross-sectional view illustrating a weight-adjustable golf club grip according to a third embodiment of the present invention.

Referring to FIG. 10, a grip (100) for a weight-adjustable golf club according to a third embodiment of the present invention has a weight variable part (131) configured separately from a main body (130a) of a variable weight body (130), and the weight variable part (131) is configured in various sizes and weights and can be replaced and assembled to the variable weight body (130a) according to size. The variable weight body (130) can be replaced and used by considering the size and weight to suit the physical condition or preference of the golfer.

Meanwhile, FIG. 11 is a perspective view illustrating a weight-adjustable golf club grip according to a fourth embodiment of the present invention, and FIG. 12 is a block diagram explaining detection of a swing orbit and provision of swing correction information.

Referring to FIGS. 11 and 12, a weight-adjustable golf club grip (100) according to a fourth embodiment of the present invention may include a plurality of swing trajectory sensors (S) installed on the rear, front, left, and right sides of a variable weight body (130) to detect a swing trajectory of a golfer; a short-range wireless communication unit (140) installed in the grip body (110) to transmit and receive swing trajectory data of the golfer detected by the swing trajectory sensors (S); and a terminal (150) having an application that receives the swing trajectory data of the golfer through the short-range wireless communication unit (140), tracks the swing trajectory, and provides swing correction information to the golfer.

During a golf swing, a plurality of swing trajectory sensors (S) detect the golfer's golf swing trajectory, and transmit and receive the swing trajectory data of the golfer detected by the swing trajectory sensors (S) to a terminal (150) using a short-range wireless communication unit (140), and within the application (program), the swing trajectory is tracked based on the received data and swing correction information is provided to the golfer. The terminal (150) includes a personal terminal such as a mobile phone or a laptop.

As described above, the present invention has the following effects.

First, by varying the size of the variable weight portion, a stable swing trajectory can be implemented according to the physical condition of the golfer, etc., and the golf club can be easily controlled so that hand first head last is achieved until the moment of impact without casting or scooping, and the shaking and torsional torque of the head are reduced to enable a stable swing, and the feel of the impact and the directionality of the ball can be improved while increasing the distance.

Second, it can improve the swing, and it has excellent directional stability and ball capture.

Third, the rear of the variable weight body is located on the same plane as the rear of the grip body and does not protrude outward, thus not compromising the appearance.

The present specification and drawings have disclosed preferred embodiments of the present invention, and although specific terms have been used, they have been used only in a general sense to easily explain the technical contents of the present invention and to help understand the invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modified examples based on the technical idea of the present invention can be implemented in addition to the embodiments disclosed herein.

100: Weight-adjustable golf club grip
110: Grip body
111: Insertion hole
112: Combination Home
113: Single chin
120: Magnetic Ring
121: Hall
122: Guide protrusion
130: Variable weight
130a: Variable weight body
131: Weight variable part
132: Guide Home

Claims (6)

A grip body (110) provided at the rear end of a shaft of a golf club, with an insertion hole (111) formed at the rear, and a joining groove (112) and a step (113) formed along the inner surface of the insertion hole (111);
A magnetic ring (120) that is inserted into and combined into the above-mentioned joining groove (112); and
A weight-adjustable golf club grip, comprising: a variable weight body (130) made of iron, which is inserted into the insertion hole (111) of the grip body (110), is seated on the step (113), is fixed by the magnetic force of the magnetic ring (120), and has a weight-adjustable portion (131) inserted into the center of the magnetic ring (120) and capable of varying the weight; In the first paragraph,
A weight-adjustable golf club grip characterized in that the rear surface of the variable weight body (130) is located on the same plane as the rear surface of the grip body (110) and does not protrude to the outside. In the first paragraph,
A weight-adjustable golf club grip characterized in that the magnetic ring (120) is forcibly fitted into the joining groove (112). In the first paragraph,
A weight-adjustable golf club grip characterized in that a plurality of guide protrusions (122) are formed on the inner surface of the hole (121) formed in the center of the magnetic ring (120), and a plurality of guide grooves (132) are formed on the outer surface of the weight variable part (131), so as to be guided when the weight variable part (131) is inserted into the hole (121) of the magnetic ring (120). In the first paragraph,
A weight-adjustable golf club grip characterized in that the weight variable part (131) is configured separately from the main body (130a) of the variable weight body (130), and the weight variable part (131) is configured in various sizes and is replaceably assembled to the variable weight body main body (130a) according to each size. In the first paragraph,
A plurality of swing trajectory sensors (S) installed on the rear, front, left, and right sides of the variable weight body (130) to detect the golfer's golf swing trajectory;
A short-range wireless communication unit (140) installed in the grip body (110) to transmit and receive the golfer's swing trajectory data detected by the swing trajectory sensor (S); and
A weight-adjustable golf club grip, comprising: a terminal (150) having an application that receives swing trajectory data of a golfer through the short-range wireless communication unit (140), tracks the swing trajectory, and provides swing correction information to the golfer.

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