JP3154639U - Club head shaft exchange connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an exchange connection structure of a shaft of a club head that allows a golfer to easily exchange a shaft that can be customized to the golf player. A hosel sleeve 3 is inserted into a hosel portion 2 of a club head. A hosel insertion tube 4 that can be detachably inserted into the hosel sleeve 3 is provided. A hosel fastening portion is provided outside one end of the hosel insertion tube 4 and a screw portion 6 engraved counterclockwise is provided inside the other end portion. The optimum golf shaft 7 selected by itself is mounted and fixed on the hosel insertion tube 4. [Selection] Figure 2

Description

  The present invention relates to a club head shaft exchange connection structure in which a player can arbitrarily and easily replace a shaft that optimally matches a golf club head.

  In selecting a golf club, the points to be aware of as a golfer having a certain skill are said to be the shaft selection and the center of gravity of the head. It is recognized that the selection of a shaft for a golf club is determined by the shaft, particularly where the selection of the shaft requires careful attention. On the shaft of the golf club, a notation “flex” indicating hardness, a weight of the shaft, “torque” indicating torsion, a “kick point” of the shaft, and the like are displayed. “Flex” is an indication of the hardness of the shaft, and is usually displayed in five levels: X (extrastiff), S (stiff), R (regular), A (average), and L (limber).

  Depending on the manufacturer, there are “SR”, “R-1”, “R-2”, etc., and there is no international standard to determine flex, and each manufacturer has written it with its own standards. Attention is needed.

  Torque represents the degree of twisting of the shaft, and it can be said that a smaller torque is suitable for a person who has an accurate direction at the moment of impact. If the torque is large, there will be play, so some blurring can be corrected.

  The kick point indicates the shaft bending point in three stages: first, middle, and hand. If the ball does not rise, the first one is suitable. If the person wants to lower the ball, the first one is suitable.

  Normally, just changing the shaft (re-shaft) changes the ball muscle considerably, so the influence of the shaft is considered the most important issue that can not be neglected. A light and light shaft is optimal. If you want to prevent the ball from swaying from side to side, choose a stiffer shaft, or change the type of hit ball by changing the shaft.

  It is said that "Golf clubs should be the heaviest weight that can be swung out", but for those who have a quick swing timing, they are good at weight, swing slowly, and want to extend their flight distance Then, it can be said that a little lighter is better because it increases the head speed. That is, it is a necessary condition to select a shaft that best matches the head speed of the player and a shaft that is optimal for a head that is suitable for the player having the above-described conditions.

  However, in general, when exchanging shafts, specialized skills that are difficult for individuals are required. First, as a tool for removing the shaft, a shaft punching machine and a heat gun are required. Adhesives and lead powder, glass beads, sockets, etc. are the minimum required, and it is not possible to exchange shafts easily with ordinary individual players. Become.

  As a golf club in which a head and a shaft can be arbitrarily replaced, for example, there is a configuration technique disclosed in Patent Document 1. This construction technology has a structure in which the shaft and the head are fixed via an engagement member, and the engagement relationship between the shaft and the head can be changed by rotating the engagement member. It is possible to change the shaft desired by the golfer.

  The disclosed technical structure includes a hollow cylindrical club shaft formed in a tapered shape, a shaft rod inserted into and fixed to the tip portion of the club shaft, and a non-circular tip portion configured integrally with the shaft rod. A hollow cylinder having a part that is sequentially circular in cross-sectional shape, has a screw hole on the bottom surface and is connected to the club shaft, and a fitting hole that matches the non-circular cross-sectional shape of the lock piece A club head that penetrates the engagement member, and a screw portion that fits into the screw hole of the locking piece from the bottom opening of the club head through the through hole of the engagement member.

JP 2000-237355 A

  However, in the construction technique disclosed in Patent Document 1 described above, the optimum replacement (reshaft) of the golf shaft with respect to the golf head is constituted by a complicated mechanical structure that cannot be expected to be performed by easy means. was there.

  Accordingly, an object of the present invention is to provide an exchange connection structure for a club head shaft that allows a golfer to easily exchange a shaft that can be customized.

  In order to achieve the above-described object, the present invention provides a hosel sleeve 3 inserted in the hosel portion 2 of the club head, a hosel insertion tube 4 that can be detachably inserted into the hosel sleeve 3, and the hosel insertion tube. 4 is provided with a hosel fastening part 5 and a screw part 6 engraved in the counterclockwise direction at the other end, and an optimum golf shaft 7 selected by itself is mounted and fixed on the hosel insertion pipe 4 The present invention relates to a shaft exchange connection structure.

  The hosel insertion tube 4 is provided with a hosel fastening portion 5 formed in a four-surface cut 5a outside one end, and a screw portion 6 engraved in a counterclockwise direction outside the other end portion. The hosel sleeve 3 is formed so as to be screwed into a receiving screw hole 3a formed in the lower end of the hosel sleeve 3.

  Moreover, although the head generally called the wood club head is shown as the club head structure, the head is not limited to the wood club head, and all the wood clubs are fairway heads, utility heads, all heads. It can be implemented with an iron head and a putter head.

  According to the connection structure of the golf head and the golf shaft according to the present invention, it is possible for the golfer himself to select the optimum golf shaft suitable for himself, and to exchange the shaft. It can be applied to all wood clubs, such as fairway head, utility head, and iron head putter head.

  In addition, according to the present invention, the optimum golf shaft selected by the golfer himself is mounted on the hosel sleeve 3 provided on the club head, and the hosel tightening portion is tightened to replace the shaft with the club head without requiring a special technique. (Reshaft) becomes possible.

It is a longitudinal cross-sectional view which shows the structure of the connection structure of the golf club head and golf shaft concerning this invention. 1 is an exploded view of a partial cross section showing a structure of a connection structure between a golf club head and a golf shaft according to the present invention. It is explanatory drawing which shows the assembly means which shows the structure of the connection structure of the golf club head concerning this invention, and a golf shaft. It is a top view of the hosel insertion pipe and hosel turning tool which are the components of the connection structure of the golf club head and golf shaft concerning this invention.

  Thus, according to the present invention, the object of providing a golf shaft connection structure that can be easily exchanged by the golfer and can be customized has been realized.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on the embodiments shown in FIGS. In the figure, reference numeral 1 denotes a wood head of one embodiment of a club head main body, and a hosel sleeve 3 is inserted inside the hosel portion 2 (see FIG. 2). A fastening screw hole 3a is formed in the lower end of the hosel sleeve 3. A hosel insertion tube that can be removably inserted into the hosel sleeve 3 by providing a screw portion 6 to be screwed into the fastening screw hole 3a. 4 is provided separately. The hosel insertion tube 4 is provided with a hosel fastening portion 5 formed in a four-surface cut 5a outside one end and a screw portion 6 engraved counterclockwise (counterclockwise) outside the other end portion. The threaded portion 6 is formed so as to be screwed into a fastening screw hole 3a formed in the lower end of the hosel sleeve 3 (see FIG. 1).

  In the figure, reference numeral 7 denotes an optimum golf shaft selected by the golfer himself to fit himself / herself. The tip 7a is attached to the hosel insertion tube 4 and fixed to the shaft material member with an optimum adhesive ( (See FIG. 1). When this mounting means is used, the socket 8 is externally fitted in advance, and after the shaft is fixed, the hosel fastening portion 5 and the base portion of the shaft 7 are mounted and fixed.

  Reference numeral 9 denotes a through hole formed in the bottom of the hosel sleeve 3. For example, an adhesive that remains in the hosel insertion tube 4 or the club head 1 body after the connection between the golf head and the shaft 7 according to the present invention is completed. A special (gel-like) absorbent that functions to absorb and fix the unnecessary residue and metal powder remaining in the space of the club head 1 main body is packed in the space as necessary.

  Reference numeral 10 denotes a hosel turning tool for rotating and tightening the hosel fastening portion 5 formed on the four-surface cut 5a formed on the hosel insertion tube 4 in a counterclockwise direction (see FIG. 4). With the hosel turning tool 10, the hosel insertion tube 4 mounted on the hosel sleeve 3 is tightened counterclockwise together with the screw portion 6 (see FIG. 3). As a result, after the connection between the various club heads and the shaft 7 is completed, the fastening effect is directly proportional to the swing with respect to the majority of the right swing players, and the drawback of loosening after the club is mounted can be prevented.

  In addition, the material, member, etc. implemented in the golf head and the golf shaft connection structure according to the present invention are, for example, a titanium alloy, stainless steel, maraging steel, etc. in the club head. For club heads, driver heads, fairway heads, utility heads, iron heads, putter heads, etc. The material of the hosel part 2 for shaft replacement is titanium alloy or aluminum lightweight member. In the shaft 7, carbon, steel, boron, titanium, aluminum alloy, stainless steel and the like can be freely set and changed as appropriate without being limited to those in the illustrated embodiment.

  Therefore, according to the connection structure of the golf head and the golf shaft according to the present invention, the golfer himself can select the optimum golf shaft suitable for himself and replace the shaft. It can be applied to all wood clubs represented by drivers, such as fairway heads, utility heads, and iron heads and putter heads. .

DESCRIPTION OF SYMBOLS 1 Club head main body 2 Hosel part 3 Hosel sleeve 4 Hosel insertion pipe 5 Hosel fastening part 6 Screw part 7 Shaft 8 Socket 9 Through-hole 10 Hosel accessory

Claims (3)

  A hosel sleeve is inserted into the hosel part of the club head, and a hosel insertion tube that can be detachably inserted into the hosel sleeve is provided. A hosel fastening portion is provided at one end of the hosel insertion tube, and a counterclockwise direction is provided at the other end. A club head shaft exchange connection structure, characterized in that a screw portion carved in is arranged, and an optimum golf shaft selected by the user is attached and fixed to the hosel insertion tube.   The hosel insertion tube is provided with a hosel fastening portion formed in a four-face cut outside one end and a screw portion engraved counterclockwise outside the other end portion, and this screw portion is a lower end of the hosel sleeve. 2. The club head shaft exchange connection structure according to claim 1, wherein the club head shaft exchange connection structure is formed so as to be capable of being screwed into a receiving screw hole formed therein.   2. The club head shaft exchange connection structure according to claim 1, wherein the club head structure is a fairway head, a utility head, all iron heads, and a putter head.

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