JP3140681U - Removable connecting unit for golf club head - Google Patents

Abstract

An anti-rotation member is provided at the bottom of a hosel, and a combination tube is brought into contact with one of the anti-rotation members, thereby facilitating the manufacturing process of processing and improving the precision of the product. .
A hosel (1) is located at an upper part (5) of a golf club head, an opening (11) is formed in the hosel (1), and the opening (11) is formed so as to be exposed on the outer surface of the upper part (5). The rotation preventing member 2 is fixed in the hosel 1, and at least one first positioning portion 22 is formed, and the first positioning portion 22 is formed so as to face the opening 11. The combination pipe 3 is accommodated in the hosel 1, and the combination pipe 3 is formed with a second positioning portion 33 for engaging with the first positioning portion 22 of the rotation preventing member 2. Used to contain. The fixing sleeve 4 is coupled to the hosel 1 so as to fix the combination tube 3 and the shaft 6.
[Selection] Figure 2

Description

  The present invention relates to a detachable connecting unit for a golf club head, and in particular, a detachable golf club head in which an anti-rotation member is fixed to a bottom end of a hosel and can be detachably coupled to a shaft by a combination pipe. This relates to an articulated unit.

  The structure of a conventional detachable connecting unit for a golf club head is disclosed in US Pat. No. 7,115,046, “Golf Club with Interchangeable Head-Shaft”. Connection) ”includes a head, a sleeve, a fixing member and a shaft. The head is provided with a hosel for drilling the sleeve. One end of the sleeve is exposed from the head, an opening for inserting the shaft is formed in the sleeve, an outer thread portion is provided on an outer peripheral surface of the sleeve close to the opening, and the outer A plurality of claw portions are formed so as to extend along the direction far from the head from the screw portion. A fixing rib is provided on the inner end surface of the other end of the sleeve, and the outer surface of the one end having the fixing rib in the sleeve is adhered to the inner wall surface of the hosel of the head using an adhesive. The fixing member is used to pass through the sleeve and the shaft. Further, an inner screw portion is provided on the inner surface of the fixing member, and the inner screw portion is arranged so as to be close to the head. By being provided, it can be screwed into the outer screw portion of the sleeve. In addition, there is a fixing groove provided on an end surface where the shaft is inserted into the sleeve, and the fixing groove is coupled to a fixing rib of the sleeve (see, for example, Patent Document 1).

When the conventional golf club head detachable connecting unit structure is to be coupled, the shaft is first penetrated into the fixing member and inserted into the sleeve through the opening of the sleeve. The fixing groove is coupled to correspond to the fixing rib of the sleeve. Then, the fixing member is covered on the outer peripheral surface in the radial direction of the claw portion of the sleeve, and further, the inner screw portion of the fixing member is aligned with the outer screw portion and screwed, whereby the fixing member In order to press the inner peripheral surface against the outer peripheral surface in the radial direction of the claw portion of the sleeve, the inner peripheral surface in the radial direction of the claw portion is also formed so as to press the shaft tightly. By utilizing the structure and operation described above, the head and the shaft can be tightly coupled so as to be removable through the sleeve and the fixing member. Among them, a fixing rib and a fixing groove provided on the inner end face of the sleeve and the shaft are used to fix a relative position in the radial direction between the sleeve and the shaft, that is, the sleeve and the fixing member are fixed. When screwing, the shaft can be prevented from rotating by the interlocking of the fixing member. Furthermore, since the contact area between the sleeve and the shaft can be increased by the fixing rib and the fixing groove, the strength of the coupling between them can be further enhanced.
US Patent No. 7,115,046

  The structure of the conventional connecting unit from which the conventional golf club head can be removed has the following problems in general. For example, since the fixing rib is provided so as to protrude from the inner end surface of one end of the sleeve, after the sleeve is completed by casting, a working operation must be performed using a longer tool. Such a manufacturing process not only increases the difficulty of processing, but also has a problem that the longer tool is easily broken during the processing. In addition, since the sleeve and the hosel of the head are adhered by an adhesive, there is a problem that the sleeve is easily detached from the hosel after long-time use. Thus, the structure of the detachable connecting unit of the conventional golf club head as described above must be further improved.

  The first object of the present invention is to provide an anti-rotation member at the bottom of the hosel, and the combination tube is brought into contact with one of the anti-rotation members, thereby facilitating the manufacturing process of the product and It is an object of the present invention to provide a detachable connecting unit for a golf club head that can increase the precision.

  The second object of the present invention is that the through hole is formed so as to be located in the hosel, and the second locking portion of the rotation preventing member penetrates the through hole and is coupled to the nut, so that the hosel can be stabilized more stably. It is an object of the present invention to provide a golf club head detachable connecting unit that can fix the relative positions of the rotation preventing member and the rotation preventing member.

  The third object of the present invention is to form an insertion hole in the anti-rotation member, and to form a through hole in the hosel. By inserting a pin into the insertion hole using a pin, the hosel is more stable. It is an object of the present invention to provide a golf club head detachable connecting unit that can fix the relative positions of the rotation preventing member and the rotation preventing member.

  In order to achieve the above object, a removable connecting unit of a golf club head according to the present invention includes a hosel, an anti-rotation member, a combination tube, and a fixing sleeve. The hosel is located at the upper part of the golf club head, and an opening is formed in the hosel so that the opening is exposed to the outer surface of the upper part. The rotation preventing member is fixed in the hosel, and at least one first positioning portion is formed on the rotation preventing member, and the first positioning portion is formed to face the opening. The combination pipe is accommodated in the hosel, and the combination pipe is formed with at least one second positioning portion for engaging with the first positioning portion of the rotation preventing member, and the combination pipe is used to receive one end of the shaft. It is done. The fixing sleeve is formed to be coupled to the hosel to fix the combination tube and the shaft.

  In the removable connecting unit of the golf club head according to the present invention, a first locking portion is formed on the hosel, and the first locking portion is formed at one end far from the opening in the hosel. In addition, a second locking portion is formed on the rotation preventing member, and the second locking portion can be locked and coupled so as to face the first locking portion. The first locking portion is a through hole, and the second locking portion is a screw rod. The screw rod is used for penetrating the through hole and screwing with the nut, and between the hosel and the rotation preventing member. It can also be formed to fix the relative position. In addition, the hosel has another through hole, and the rotation preventing member has another insertion hole. The insertion hole and the through hole are aligned with each other and used to insert a pin. It can also be formed so as to fix the relative position of the rotation prevention member. In addition, the rotation preventing member can be fixed to one end far away from the opening in the hosel. In addition, the shaft penetrates the insertion port of the combination tube and is accommodated in the combination tube, and a plurality of other fitting claws are formed on the combination tube, and the fitting claws are arranged on the periphery of the insertion port and are fitted. The claw can also be used by the fixed sleeve to press. In addition, the hosel has another internal screw, the internal screw is provided adjacent to the opening on the inner peripheral surface of the hosel, and the fixing sleeve has another external screw. The fixing sleeve and the hosel can be coupled by being provided adjacent to the inner screw on the outer peripheral surface and screwing the outer screw to the inner screw. In addition, a pressing surface may be formed on the inner peripheral surface of the fixing sleeve, and the pressing surface may be formed so as to press and fix the shaft with a combination tube.

  According to the detachable connecting unit of the golf club head of the present invention, the rotation preventing member is provided at the bottom of the hosel, and the combined pipe is brought into contact with one of the rotation preventing members, so that the manufacturing process of processing is performed. There are advantages that it is easy to perform and that the precision of the product can be increased.

  According to the detachable connecting unit of the golf club head of the present invention, the through hole is formed so as to be located in the hosel, and the second locking portion of the rotation preventing member penetrates the through hole and is coupled to the nut. Thus, there is an advantage that the relative position of the hosel and the rotation preventing member can be fixed more stably.

  According to the removable connecting unit of the golf club head of the present invention, the insertion hole is formed in the rotation preventing member, the through hole is formed in the hosel, and the pin is used to insert the through hole into the insertion hole. Furthermore, there is an advantage that the relative position of the hosel and the rotation preventing member can be fixed stably.

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

  Referring to FIGS. 1, 2, and 3, the detachable connecting unit of the golf club head according to the first embodiment of the present invention includes a hosel 1, a rotation preventing member 2, a combination tube 3 and a fixing sleeve 4. The hosel 1 is formed in the upper part 5 of a golf club head by integral molding.

  The hosel 1 is formed with an opening 11, an internal screw 12 and a first locking portion 13. The opening 11 is provided at one end of the hosel 1, and the opening 11 is formed so as to be exposed on the outer surface of the upper portion 5. The inner screw 12 is provided around the inner peripheral surface of the hosel 1, and the inner screw 12 is provided adjacent to the opening 11. The first locking portion 13 is provided at the other end of the hosel 1, and the first locking portion 13 can be selectively made of a hole or a protrusion.

  The anti-rotation member 2 is formed with a second locking portion 21 and at least one first positioning portion 22, and the anti-rotation member 2 can be inserted into the hosel 1 just through the opening 11. It is fixed to one end far away from the opening 11. The second locking portion 21 is located on one side of the rotation preventing member 2 and is formed so as to face the first locking portion 13 of the hosel 1, and the shape of the second locking portion 21 is the first locking portion 13. Since it can consist of a protrusion or a hole so as to complement each other, it can be fitted so as to correspond to the first locking portion 13. The first positioning portion 22 is provided on the other side of the rotation preventing member 2 and is provided so as to face the opening 11. The rotation preventing member 2 is locked and positioned in the hosel 1 by the first locking portion 13 and the second locking portion 21, and can be fixed to the hosel 1 by a welding manufacturing process. In addition, when the first locking part 13 and the second locking part 21 are each formed of a non-circular hole or a protrusion, the welding manufacturing process can be selectively omitted.

  The combination pipe 3 is formed with an accommodation space 31, an insertion port 32, at least one second positioning portion 33, a plurality of partition grooves 34 and a plurality of fitting claws 35, and the combination pipe 3 is just inside the hosel 1. Can be housed. The accommodation space 31 is provided in the combination pipe 3, and the insertion port 32 is formed so as to be positioned at one end of the combination pipe 3 and closer to the opening 11 of the hosel 1. The insertion opening 32 is penetrated and accommodated in the accommodation space 31. The second positioning portion 33 is located at the other end of the combination pipe 3 and is formed so as to face the first positioning portion 22 of the rotation preventing member 2 so that it can be fitted to the first positioning portion 22. Therefore, the rotation preventing member 2 can prevent the combined pipe 3 from rotating with respect to the hosel 1. The partition groove 34 is connected to the insertion port 32 and is formed so as to extend along one direction, whereby a plurality of fitting claws 35 are formed on the periphery of the insertion port 32, and the partition groove 34 is partitioned therein. The extending direction of the groove 34 is formed so as to extend from the insertion port 32 toward the second positioning portion 33.

  The fixing sleeve 4 is formed with an external screw 41 and a pressing surface 42. The fixing sleeve 4 accommodates at least a part of the fitting claw 35, and the fixing sleeve 4 is used for the shaft 6 to penetrate. The external screw 41 is provided on the outer peripheral surface of the fixing sleeve 4 and is provided adjacent to the internal screw 12 of the hosel 1, so that the external screw 41 can be screwed together with the internal screw 12. The pressing surface 42 is provided on the inner peripheral surface of the fixed sleeve 4 and is formed so as to press the fitting claw 35 of the combination pipe 3 adjacent to the fitting claw 35 of the combination pipe 3. Can be fixed by fitting the relative positions of the shaft 6 and the combined pipe 3 by the pressing surface 42 and the fitting claw 35. As a result, the fixing sleeve 4 can stably fix the hosel 1 and the combination tube 3 together.

  Referring to FIGS. 1, 2 and 3 again, when the golf club head detachable connecting unit according to the first embodiment of the present invention is to be assembled, first, the rotation preventing member 2 is inserted into the hosel 1 and the rotation prevention is performed. The second locking portion 21 of the member 2 is locked and coupled to the first locking portion 13 of the hosel 1, and the anti-rotation member 2 and the hosel 1 are selectively fixed therein by a welding method. can do. Then, the second positioning portion 33 can be fitted to the first positioning portion 22 by inserting the combination tube 3 into the hosel 1 and connecting to the first positioning portion 22 of the rotation preventing member 2. One end of the shaft 6 is passed through the insertion port 32 of the combined pipe 3 and is accommodated in the accommodating space 31. When the fixing sleeve 4 is covered on the outer peripheral surface of the fitting claw 35 of the combined pipe 3 and the fixing sleeve 4 is screwed into the hosel 1 by the external screw 41 and the internal screw 12, the pressing surface 42 presses the fitting claw 35. Thereby, the fitting claw 35 can fit the shaft 6 tightly. Thereby, the fixed sleeve 4 can connect the hosel 1 and the shaft 6 by positioning the rotation preventing member 2, the combination tube 3 and one end of the shaft 6 in the hosel 1. Thereby, the rotation preventing member 2 independent from the hosel 1 can be easily processed, and can be inserted into the hosel 1 only after the processing is completed.

  4 and 5, a detachable connecting unit for the golf club head according to the second embodiment of the present invention is posted. When compared with the anti-rotation member 2 in the first embodiment, the anti-rotation member 2 ′ in the second embodiment is formed with a screw hook-shaped second locking portion 21 ′, and the first hosel 1 in the second embodiment The locking portion 13 is selectively formed to be a through hole. Thus, after the rotation preventing member 2 ′ is put into the hosel 1, the second locking portion 21 ′ penetrates the first locking portion 13, and the second locking portion 21 ′ is utilized using the nut 14. By screwing, the relative position of the hosel 1 and the rotation preventing member 2 ′ can be more stably fixed.

  6 and 7, a detachable connecting unit for the golf club head according to the third embodiment of the present invention is posted. As compared with the rotation preventing member 2 in the first embodiment, an insertion hole 23 is formed in the rotation preventing member 2 ″ in the third embodiment, and the through hole 15 is formed in the hosel 1 ″ in the third embodiment. And pins 16 are formed. The insertion hole 23 is provided between the second locking portion 21 and the first positioning portion 22 and extends from the outer peripheral surface of the rotation preventing member 2 ″ in the radial direction to enter the rotation preventing member 2 ″ or rotate. The through hole 15 is formed so as to penetrate the radial peripheral wall of the hosel 1, and the through hole 15 is positioned with the insertion hole 23 of the rotation preventing member 2 ″. It is formed to match. The pin 16 is formed so as to enter the insertion hole 23 from the through hole 15. Thereby, the relative position of the hosel 1 "and the rotation preventing member 2" can be fixed more stably.

  As described above, in the conventional detachable connecting unit of the golf club head, the fixing rib is provided on the inner end surface of one end of the sleeve so as to be integrally formed. Since it is necessary to perform processing using one of the swords, not only increases the difficulty of processing, but also the longer sword has a problem that the wear rate increases in the process of processing, and the sleeve and the above Since the sleeve is easily adhered to the hosel of the head by an adhesive, there is a problem that the sleeve is easily detached from the hosel after a long period of use. However, the golf club head of the present invention shown in FIG. According to the removable connecting unit, the anti-rotation member 2 independent of the hosel 1 is inserted into the hosel 1 only after processing is completed. Further, by screwing the fixing sleeve 4 to the hosel 1, the relative positions of the hosel 1, the anti-rotation member 2, the combination tube 3 and the fixing sleeve 4 can be fixed at the same time. In addition, the wear rate of the blade can be kept low, and the strength of the bond between the members can be increased.

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

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view of the assembled state by the detachable connection unit of the golf club head of Example 1 of this invention. It is a local expansion perspective view by the detachable connecting unit of the golf club head of Example 1 of the present invention. It is a local expanded sectional view of the state assembled by the detachable connection unit of the golf club head of Example 1 of this invention. It is a local expansion perspective view by the connection unit which can remove the golf club head of Example 2 of this invention. It is a local expanded sectional view of the state assembled by the detachable connection unit of the golf club head of Example 2 of this invention. It is a local expansion perspective view by the detachable connection unit of the golf club head of Example 3 of this invention. It is a local expanded sectional view of the state assembled by the detachable connection unit of the golf club head of Example 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hosel 1 "Hosel 11 Opening 12 Internal screw 13 1st latching part 14 Nut 15 Through-hole 16 Pin 2 Anti-rotation member 2 'Anti-rotation member 2" Anti-rotation member 21 Second latching part 21' Second latching part 22 First positioning portion 23 Insertion hole 3 Assembly pipe 31 Accommodating space 32 Insertion port 33 Second positioning portion 34 Separation groove 35 Fitting claw 4 Fixing sleeve 41 External screw 42 Press surface 5 Upper portion 6 Shaft

Claims (8)

  A golf club head detachable connecting unit including a hosel (1), an anti-rotation member (2), a combination tube (3) and a fixing sleeve (4), the hosel (1) being an upper portion (5 ) And an opening (11) is formed in the hosel (1), the opening (11) is formed so as to be exposed on the outer surface of the upper part (5), and the anti-rotation member (2) is a hosel. (1) fixed inside, at least one first positioning portion (22) is formed on the anti-rotation member (2), and the first positioning portion (22) is formed to face the opening (11). The combination pipe (3) is housed in the hosel (1), and the combination pipe (3) has at least one second positioning portion for engaging with the first positioning portion (22) of the rotation preventing member (2). (33) is formed, and the union tube (3) The fixing sleeve (4) is connected to the hosel (1) and is formed to fix the combination pipe (3) and the shaft (6). Removable connecting unit for golf club head.   The hosel (1) is further formed with a first locking portion (13), and the first locking portion (13) is formed in the hosel (1) so as to be located at one end far from the opening (11). In addition, the rotation preventing member (2) is additionally formed with a second locking portion (21), and the second locking portion (21) is locked and coupled so as to face the first locking portion (13). The detachable connecting unit of the golf club head according to claim 1, wherein the connecting unit is removable.   The first locking portion (13) is a through hole, and the second locking portion (21 ′) is a screw rod, and the screw rod (21 ′) penetrates the through hole (13) and is a nut (14). The golf club head is detachable according to claim 2, wherein the golf club head is formed to fix the relative position between the hosel (1) and the rotation preventing member (2). Articulated unit.   The hosel (1 ″) has another through hole (15), and the rotation preventing member (2 ″) has another insertion hole (23). The insertion port (23) and the through hole (15) Is used to insert the pin (16) in alignment with each other, and is formed to fix the relative position between the hosel (1 ") and the anti-rotation member (2"). The detachable connecting unit of the golf club head according to claim 2.   The golf club head detachable connecting unit according to claim 1, wherein the rotation preventing member (2) is fixed to one end of the hosel (1) on the side far from the opening (11).   The shaft (6) penetrates the insertion port (32) of the combination pipe (3) and is accommodated in the combination pipe (3), and the combination pipe (3) has a plurality of other fitting claws (35). The fitting claw (35) is formed on the periphery of the insertion port (32), and the fitting claw (35) is used to press the fixing sleeve (4). Removable connecting unit for golf club head.   The hosel (1) is additionally formed with an internal screw (12), the internal screw (12) is provided adjacent to the opening (11) on the inner peripheral surface of the hosel (1), and the fixing sleeve (4) In addition, an external screw (41) is formed, and the external screw (41) is provided adjacent to the internal screw (12) on the outer peripheral surface of the fixing sleeve (4), and the external screw (41) is connected to the internal screw ( 12. The removable connecting unit of the golf club head according to claim 1, wherein the fixing sleeve (4) and the hosel (1) are coupled by being screwed to 12).   A pressing surface (42) is formed on the inner peripheral surface of the fixing sleeve (4), and the pressing surface (42) is formed to press and fix the shaft (6) by the combination pipe (3). The detachable connecting unit of the golf club head according to claim 1.

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