JP3151904U - Golf club head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the reliability of coupling between a weight and a peripheral wall of an assembly hole by locking each other by using a locking member. A head main body 9 and a weight are included. An assembly hole 91 is formed in the head body 9, and a plurality of locking surfaces 911 are provided on a peripheral wall of a part of the assembly hole 91, and each locking surface 911 is formed into a non-circular assembly hole 91. Is done. The weight is installed in the assembly hole 91 of the head main body 9 so as to correspond to the weight, and the main body 1, the weight unit 3 and a plurality of locking members 5 are formed on the weight. The locking member 5 is installed on the annular peripheral wall 11 of the main body 1 in a corresponding manner, the locking peripheral portion 13 is provided on the annular peripheral wall 11 of the main body 1, and the locking portion 13 is a non-circular assembly hole. It is the same as the shape of 91 and is configured to be a non-circular outer body so as to correspond to the assembly hole 91. [Selection] Figure 2

Description

  The present invention relates to a golf club head and a weight, and more particularly to a golf club head in which the weight can be easily removed from the head body.

  As a conventional golf club head, according to the Republic of China notification No. M3160990 “Removable weight structure of golf club head” (see Patent Document 1) as shown in FIG. 8, the weight 8 of the golf club head is one piece. A weight member 81, two vibration absorbing packings 82, and one positioning member 83 are included. The weight member 81 is a cylindrical body, and a contact protrusion ring 811 is formed on an annular peripheral wall surface of a part of the weight member 81. The vibration absorbing packing 82 is selectively made of an elastic material (for example, rubber or polyurethane / PU). The vibration absorbing packing 82 is formed with a combination hole 821 so as to correspond to the weight member 81 at the center position. 82 are penetrated through the combination holes 821 so as to pass through both ends of the weight member 81, and are penetrated until they come into contact with both sides of the abutment projecting ring 811 of the weight member 81. The positioning member 83 is provided with a main body 831, an accommodation space is formed in the main body 831, and the main body 831 is provided with a positioning hole 832 at the center position. The positioning hole 832 is formed so as to communicate with the accommodation space. A male screw 833 is formed on the outer peripheral wall of the main body 831, and the main body 831 can be screwed into the assembly hole 91 of the head main body 9 by the male screw 833.

  In use, referring to FIG. 9, the weight member 81 and the vibration absorbing packing 82 are accommodated in the accommodating space of the main body 831, and one end of the weight member 81 is positioned in the positioning hole 832 so as to be aligned. Locked. In addition, by using a tool (not shown) to align with a plurality of opening / closing holes 834 provided on the upper surface of the main body 831, the positioning member 83 is driven and rotated using the tool, thereby the main body 831 can be screwed into the assembly hole 91 of the head body 9 by a male screw 833.

Republic of China Notification No. M316090

  The conventional golf club head described above generally has the following problems. For example, the conventional weight 8 can be detachably disposed on the head main body 9 by installing the male screw 833, and the center of gravity of the head main body 9 can be easily adjusted. However, since the weight 8 is positioned by a screwing system and the positioning member 83 is selectively made of a circular column, the weight 8 can be easily rotated and screwed into the assembly hole 91. The weight 8 has a problem that the weight 8 can be easily rotated and loosened by the inertial action of the hit ball 9 or the swing, and the shape of the weight 8 is limited by the screwing method. There is a problem in that the column body cannot be arbitrarily changed. Thus, the weight of the conventional golf club head as described above has to be further improved.

  The present invention has been devised in view of such problems, and its main purpose is to adjust the position of the center of gravity of the golf club head by quickly attaching a weight to the head body. An object of the present invention is to provide a golf club head that can be used.

  A second object of the present invention is to provide a golf club head in which the weight is stably assembled in the assembly hole of the head main body, and the weight can be prevented from being arbitrarily separated from the assembly hole. It is what.

In order to achieve the above object, a golf club head according to the present invention is as follows. That is,
It has a head body and a weight. An assembly hole is formed in the head body, and a plurality of locking surfaces are provided on a peripheral wall of a part of the assembly hole. The respective locking surfaces are continuously formed in a non-circular circular assembly hole. The weight is installed in the assembly hole of the head body so as to correspond. The weight is formed with a main body, a weight unit and a plurality of locking members. The weight unit is installed in the main body, and the locking member is installed on the annular peripheral wall of the main body so as to correspond. A locking portion is provided on the annular peripheral wall of the main body, and the locking portion has the same shape as the non-circular circular assembly hole, and is formed on the non-circular outer body so as to correspond to the assembly hole.

  In the golf club head according to the present invention, a plurality of positioning recesses are provided in the assembly hole, and the positioning recesses can be installed on the wall surface of the locking surface so as to correspond. In addition, a shoulder is formed between the locking portion and the annular peripheral wall, and another shoulder is formed between the locking surface and the inner peripheral wall surface of the assembly hole. The shoulder formed may abut another shoulder formed on the locking surface in the assembly hole. In addition, a through hole and a plurality of through holes are formed in the main body, and the through holes are formed through the top surface and the bottom surface of the main body to form a positioning opening and an opening, respectively. The through holes are formed so as to communicate with the through holes, and the plurality of locking members can be accommodated in the plurality of through holes correspondingly. In addition, a pressing member can be formed on the weight, and the pressing member can be slidably installed in the through hole of the main body, and a positioning head end and a contact end can be formed on both ends of the pressing member, respectively. Further, the outer peripheral wall of the pressing member is provided with a contact convex portion and an annular groove, and the contact convex portion can be formed so as to be positioned between the positioning head end and the annular groove. In addition, the weight is provided with another elastic member, the elastic member is installed in the through hole of the main body, one end of the elastic member is in contact with the end surface of the pressing member, and the other end of the elastic member is the weight unit. It can also contact | abut to the end surface of this. In addition, the main body is provided with a plurality of other alignment recesses, the alignment recess is installed at one end of the main body where the positioning port is provided, and the alignment recess is arranged along the periphery of the positioning port. You can also Moreover, a stop edge is provided in the position which approaches the outer peripheral surface of an annular surrounding wall in each through-hole, and a stop end edge can also be formed so that it may inward in a radial direction relative to opening of a through-hole. In addition, the main body is provided with a positioning projection, and the positioning projection is installed on the inner peripheral wall surface of the through hole and is formed so as to approach the opening, thereby locking and positioning the weight unit. It can also be used. In addition, a housing portion is provided at the abutting end of the pressing member, and one end of the elastic member can be locked and positioned in the housing portion. The weight unit includes a weight main body, a fixing member, and a holding piece, a center hole is formed in each of the weight main body and the holding piece, a hook portion is formed in the fixing member, and each hook portion of the fixing member is a weight. It is also possible to penetrate the center hole of the main body and the center hole of the holding piece, and to attach the weight main body and the holding piece to the collar portion of the fixing member. In addition, a plurality of claw portions are arranged on the annular peripheral wall surface of the sandwiching piece, and a gap can be formed between each claw portion.

  According to the golf club head of the present invention, there is an advantage that the position of the center of gravity of the golf club head can be adjusted by quickly attaching the weight to the head body.

  According to the golf club head of the present invention, there is an advantage that it is possible to avoid the weight being arbitrarily detached from the assembly hole by stably assembling the weight into the assembly hole of the head body.

It is explanatory drawing of the state by which the weight by the golf club head of embodiment of this invention is assembled | attached to a head main body, and the weight. It is the local enlarged view of FIG. 1 by the golf club head of embodiment of this invention. It is explanatory drawing of the use condition before the tool by the golf club head of embodiment of this invention is inserted in a main body. It is explanatory drawing of the use condition after the tool by the golf club head of embodiment of this invention is inserted in the main body and rotated to the angle. It is explanatory drawing of the use condition before the weight by the golf club head of embodiment of this invention is inserted in an assembly hole, and the local sectional view of a head main body. It is explanatory drawing of the use condition after the weight by the golf club head of embodiment of this invention is inserted in the assembly hole, and the local sectional drawing of a head main body. It is explanatory drawing of the use condition after the tool by the golf club head of embodiment of this invention is rotated to the angle which exists in the opposite direction, and retreats away from the penetration groove | channel, and the local sectional drawing of a head main body. It is a disassembled perspective view by the conventional golf club head. It is sectional drawing of the state assembled by the conventional golf club head.

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

  FIG. 1 is an exploded perspective view of a weight by a golf club head according to an embodiment of the present invention and an explanatory view showing a state in which the weight is assembled to a head body. Referring to FIG. 1, the golf club head according to the embodiment of the present invention selectively places a weight on a wood-type golf club head. It can be arranged in a golf club head structure such as a putter type.

  FIG. 2 is a partially enlarged view of FIG. 1 by the golf club head according to the embodiment of the present invention, and FIG. 3 is an explanatory view of the use state before the tool by the golf club head according to the embodiment of the present invention is inserted into the main body. . 2 and 3, the weight of the golf club head according to the embodiment of the present invention includes a main body 1, a pressing member 2, a weight unit 3, an elastic member 4, and a plurality of locking members 5. The main body 1 is selectively formed of a circular column, and the pressing member 2, the weight unit 3, the elastic member 4 and the locking member 5 are accommodated in the main body 1. The main body 1 can be removably assembled in the assembly hole 91 of the head main body 9.

  The main body 1 is formed with an annular peripheral wall 11, a through hole 12, a locking part 13, a plurality of through holes 14, a positioning convex part 15 and a plurality of alignment concave parts 16. The annular peripheral wall 11 is formed so as to surround the outer periphery of the through-hole 12, and the through-hole 12 is formed so as to penetrate and communicate with the upper surface and the bottom surface of the main body 1. A positioning port 121 and an opening 122 are formed so as to penetrate. The diameter of the positioning port 121 is formed to be smaller than the diameters of the through-hole 12 and the opening 122.

  The locking portion 13 is provided around an outer peripheral wall surface of a part of the annular peripheral wall 11, and the locking portion 13 is formed to be a non-circular outer body on the outer peripheral wall surface of the annular peripheral wall 11. In the illustrated embodiment, the locking portion 13 is selectively formed from a regular hexagon. In addition, a shoulder portion is formed between the locking portion 13 and the annular peripheral wall 11. The through holes 14 are installed in the locking portions 13 so as to be arranged correspondingly. The through holes 14 are formed so as to penetrate the annular peripheral wall 11 and the through holes 12 so as to communicate with each other. Used to house The positioning convex portion 15 is provided on the inner peripheral wall surface of the through hole 12 and is formed so as to approach the opening 122. The alignment recess 16 is installed at one end of the main body 1 where the positioning port 121 is provided, and the alignment recess 16 is installed along the periphery of the positioning port 121 at equal intervals.

  The pressing member 2 is slidably installed at a position close to the positioning port 121 in the through hole 12. A positioning head end 21 and a contact end 22 are formed at both ends of the pressing member 2, respectively. The positioning head end 21 can enter and be locked into the positioning port 121, and the contact end 22 is an elastic member. 4 is used to contact one end. The pressing member 2 is provided with an annular wall 23, an abutment convex portion 24, an annular groove 25 and an accommodating portion 26. All of the contact protrusion 24 and the annular groove 25 are provided on the outer peripheral wall surface of the annular wall 23, and the contact protrusion 24 is provided between the positioning head end 21 and the annular groove 25. The accommodating portion 26 is formed at the abutting end 22, and the accommodating portion 26 is used for locking and positioning one end of the elastic member 4.

  The weight unit 3 is installed at a position close to the opening 122 in the through-hole 12. The weight unit 3 includes a weight main body 31, a fixing member 32, and a clamping piece 33. The weight body 31 is made of a material having a relatively large specific gravity, for example, tungsten-ferro-nickel alloy, carbon steel, low carbon steel, stainless steel, alloy steel, low alloy steel, maraging steel, cast iron, nickel alloy or other non-metal. It is made by the material etc. The specific gravity of the weight main body 31 is formed so as to be substantially larger than the specific gravity of the head main body 9, but can be selected to be smaller than the specific gravity of the material of the head main body 9. Each can be provided. Moreover, the weight main body 31 can also be manufactured by mixing an elastic resin with metal powder, and can provide a vibration absorption effect to the weight main body 31 itself.

  A head portion 321 and a collar portion 322 are formed on the fixing member 32, and the head portion 321 is installed at one end of the collar portion 322. The weight main body 31 and the holding piece 33 are provided with center holes 311 and 331, respectively. The center holes 311 and 331 are used for the collar part 322 to be aligned and penetrated, and the weight main body 31 and the holding piece 33 are attached to the collar part 322 of the fixing member 32.

  In addition, a plurality of claw portions 332 are arranged on the annular peripheral wall surface of the holding piece 33, and a gap is formed between the claw portions 332. As a result, the claw portion 332 is formed to have a slight elastic deformation capability. Therefore, when the clamping piece 33 tries to pass the positioning convex portion 15 of the main body 1, the guiding surface 151 of the positioning convex portion 15. Can be elastically deformed and contracted inward through the positioning projection 15 and can pass through the positioning projection 15 and can be elastically restored immediately after passing through the positioning projection 15. 121 and the positioning convex portion 15 can be limited, whereby the weight main body 31 and the fixing member 32 can be positioned in the through-hole 12.

  The elastic member 4 is selectively made of a spring or other elastic member having elastic restoring ability, and the elastic member 4 is formed so as to be positioned between the pressing member 2 and the weight unit 3. One end of the elastic member 4 is positioned in contact with the housing portion 26, and the other end of the elastic member 4 is formed in contact with the end surface of the weight unit 3. Both ends of the elastic member 4 are brought into contact with the accommodating portion 26 of the pressing member 2 and the end surface of the weight unit 3, respectively. Further, the elastic member 4 is fitted into the flange 322 of the fixing member 32, so that the elastic member 4 penetrates. Arbitrary movement within the hole 12 can be avoided. In addition, the positioning head end 21 of the pressing member 2 can be stably locked in the positioning port 121 by the elastic capacity of the elastic member 4, and the annular groove 25 of the pressing member 2 and the main body 1 are further fixed. The through holes 14 are formed so as to be displaced relative to each other.

  In this embodiment, the locking member 5 is selectively made of a circular metal ball, and the locking member 5 is accommodated in the through hole 14 of the main body 1 in a corresponding manner, and the stop edge of each through hole 14. 141 (see FIG. 3) and the annular wall 23 of the pressing member 2 can be used to restrict the locking member 5 into the through hole 14. In addition, the stop edge 141 is installed at a position close to the outer peripheral surface of the annular peripheral wall 11 in the through hole 14, and the stop edge 141 is formed so as to shrink inward in the radial direction relative to the opening of the through hole 14. Thus, the locking member 5 can be partially exposed outside the through hole 14 and is not detached from the through hole 14.

  FIG. 4 is an explanatory view of the use state after the tool by the golf club head according to the embodiment of the present invention is inserted into the main body and rotated to an angle. Referring to FIGS. 3 and 4, in the present embodiment, in use, first, the tool T is used to pass through the positioning port 121 of the main body 1. A plurality of alignment projections T1 are provided on the outer peripheral edge of one end of the tool T corresponding to the position of the positioning recess 16 so that the end of the tool T is aligned. After passing through the positioning port 121, the alignment projection T1 can be brought into contact with the peripheral portion of the positioning port 121 by rotating a certain angle. Locked and positioned. When the tool T enters the through-hole 12, by pressing the positioning head end 21 of the pressing member 2, the elastic member 4 is elastically compressed and deformed jointly, and the pressing member 2 is moved in the direction of the opening 122. Therefore, the through hole 14 of the main body 1 and the annular groove 25 of the pressing member 2 are formed so as to communicate with each other in alignment.

  FIG. 5 is a view for explaining the state of use before the weight of the golf club head according to the embodiment of the present invention is inserted into the assembly hole, and a local sectional view of the head body, and FIG. 6 is a golf according to the embodiment of the present invention. It is explanatory drawing of the use condition after the weight by a club head was inserted by the assembly hole, and the local sectional drawing of a head main body. Referring to FIGS. 5 and 6, the tool T is used to align and fit the main body 1 into the assembly hole 91 of the head main body 9, and the through hole 14 and the annular groove 25 are aligned and communicate with each other. Since the locking member 5 that is originally limited in the through hole 14 by the annular wall 23 of the pressing member 2 can be internally retracted in the annular groove 25, the main body 1 is aligned. Thus, when entering the assembly hole 91, the locking member 5 is not relatively exposed from the through hole 14 and does not obstruct the main body 1 from moving forward in the assembly hole 91.

  A plurality of locking surfaces 911 are provided on the peripheral wall of the hole of the assembly hole 91, and a non-circular assembly hole 91 is formed so that each locking surface 911 is connected to the locking portion 13. . In the present embodiment, it is made of a regular hexagonal wall surface as in the case of the locking portion 13. Therefore, the main body 1 cannot enter the assembly hole 91 unless the locking portion 13 is aligned with the locking surface 911. Further, another shoulder portion is formed between the locking surface 911 and the inner peripheral wall surface of the assembly hole 91. When the main body 1 enters the assembly hole 91, the main body 1 can come into contact with another shoulder portion formed on the locking surface 911 in the assembly hole 91 by the shoulder portion formed on the locking portion 13. The main body 1 is accommodated in an appropriate position of the assembly hole 91. In the present invention, since the main body 1 can be assembled by entering the assembly hole 91 so as to accurately align the main body 1 by installing the locking portion 13 and the locking surface 911, a situation in which the position is shifted hardly occurs. Become.

  In addition, the user selectively presses the positioning head end 21 of the pressing member 2 by using a hand or other tools, thereby compressing the elastic member 4 to cause elastic compression deformation. When the through hole 14 of the main body 1 and the annular groove 25 of the pressing member 2 are aligned and communicate with each other, the main body 1 can be fitted into the assembly hole 91 of the head main body 9 so as to be aligned. Therefore, the above-described procedure for assembling the weight can be completed without using the tool T.

  FIG. 7 is an explanatory view of the use state after the tool by the golf club head according to the embodiment of the present invention is rotated at an angle in the opposite direction and retreated away from the penetration groove, and a local sectional view of the head body. 6 and 7, when the tool T is rotated in the opposite direction after the main body 1 has entered the assembly hole 91, the alignment projection T1 at the end of the tool T and the positioning port 121 are aligned again. Thus, the tool T can be moved away from the through-hole 12. At the same time, the elastic member 4 provides an elastic restoring force to press the pressing member 2 so as to move toward the positioning port 121, so that the positioning head end 21 of the pressing member 2 reaches the position of the positioning port 121. Can be repositioned. Further, according to the movement of the pressing member 2, the annular groove 25 can be restored to a state in which the position is shifted relative to the through hole 14, and the locking member 5 is pressed and the annular groove 25 and the annular wall 23 are pressed. The locking member 5 is formed so as to be partially exposed to the outside of the through-hole 14 by entering the through-hole 14 along the guide surface 251 therebetween, and the exposure of the locking member 5 The portions are locked in the plurality of positioning recesses 912 of the assembly hole 91 so as to be aligned with each other. Further, the positioning recess 912 is installed on the wall surface of the locking surface 911 corresponding to the number and position of the through holes 14.

  When the annular wall 23 of the pressing member 2 presses one of the locking members 5, the locking member 5 is further locked by positioning means for locking the exposed portion of the locking member 5 in the positioning recess 912. Is not arbitrarily detached from the positioning recess 912, so that the reliability of the connection between the weight and the head body 9 can be improved.

  In addition, since all of the locking portion 13 and the locking surface 911 are selectively non-circular, it is possible to avoid the vibration of the hit ball, and when the tool T is rotated, the main body 1 is positioned in the assembly hole 91. It is possible to avoid loosening in the interior, and it is possible to effectively increase the convenience of assembly.

  When it is necessary to remove the weight of the present invention from the inside of the assembly hole 91 of the head body 9, the weight can be removed by performing the above-described assembly procedure in reverse using the tool T. Since the procedure of this removal operation is substantially the same as the procedure posted in the above-described embodiment, the description thereof is omitted.

  As described above, according to the golf club head of the present invention, the pressing member can be relatively moved into the through hole by pressing the pressing member using a tool to deform the elastic member. The annular groove and the through hole of the pressing member can be selected to be aligned or shifted. Thus, when the weight is installed so as to correspond to the assembly hole of the head body, the locking portion of the main body and the locking surface of the assembly hole are aligned and combined with each other, and the annular groove and the through hole are further used. The reliability of the coupling between the head body and the weight by controlling whether or not the locking member and the peripheral wall of the assembly hole are locked to each other. 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.

DESCRIPTION OF SYMBOLS 1 Main body 11 Annular peripheral wall 12 Through-piercing 121 Positioning opening 122 Opening 13 Locking part 14 Through-hole 141 Stopping edge 15 Positioning convex part 151 Guide surface 16 Positioning concave part 2 Pressing member 21 Positioning head end 22 Contacting end 23 Annular wall 24 abutting convex portion 25 annular groove 251 guide surface 26 accommodating portion 3 weight unit 31 weight main body 311 center hole 32 fixing member 321 head 322 hook portion 33 clamping piece 331 center hole 332 claw portion 4 elastic member 5 locking member 8 Weight 81 Weight member 811 Abutting projecting ring 82 Vibration absorbing packing 821 Combination hole 83 Positioning member 831 Main body 832 Positioning hole 833 Male screw 834 Opening / closing hole 9 Head main body 91 Assembly hole 911 Locking surface 912 Positioning concave portion T Tool T1 Alignment convex portion

Claims (13)

  In the golf club head having a head body (9) and a weight, an assembly hole (91) is formed in the head body (9), and a plurality of locking surfaces (911) are formed on a peripheral wall of a part of the assembly hole (91). Each of the locking surfaces (911) is formed in a non-circular assembly hole (91), and the weights are installed in the assembly holes (91) of the head body (9) so as to correspond to each other. The weight is formed with a main body (1), a weight unit (3) and a plurality of locking members (5). The weight unit (3) is installed in the main body (1), and the locking member ( 5) is installed on the annular peripheral wall (11) of the main body (1) so as to correspond, and the annular peripheral wall (11) of the main body (1) is provided with a locking portion (13), and the locking portion (13) is The shape of the non-circular assembly hole (91) is the same as that of the non-circular assembly hole (91). The golf club head, characterized in that formed on the outer body.   The assembly hole (91) is provided with a plurality of positioning recesses (912), and the positioning recesses (912) are installed on the wall surfaces of the locking surfaces (911) in a corresponding manner. Golf club head.   A shoulder portion is formed between the locking portion (13) and the annular peripheral wall (11), and another shoulder portion is formed between the locking surface (911) and the inner peripheral wall surface of the assembly hole (91). The body (1) is brought into contact with another shoulder formed on the locking surface (911) in the assembly hole (91) by the shoulder formed on the locking portion (13). The golf club head according to claim 1, wherein:   The main body (1) is formed with a through hole (12) and a plurality of through holes (14). The through hole (12) penetrates the upper surface and the bottom surface of the main body (1), and the positioning port (121) is opened. (122) is formed, the through hole (14) is installed in the annular peripheral wall (11) of the main body (1) so as to penetrate, and the through hole (14) communicates with the through hole (12). 4. The golf club head according to claim 1, wherein the plurality of locking members are accommodated in the plurality of through holes so as to correspond to each other.   A pressing member (2) is formed on the weight, and the pressing member (2) is slidably installed in the through hole (12) of the main body (1). The golf club head according to claim 4, wherein a positioning head end (21) and a contact end (22) are formed.   The outer peripheral wall of the pressing member (2) is provided with a contact protrusion (24) and an annular groove (25), and the contact protrusion (24) is between the positioning head end (21) and the annular groove (25). The golf club head according to claim 5, wherein the golf club head is formed so as to be located at a position.   In addition, an elastic member (4) is provided on the weight, the elastic member (4) is installed in the through-hole (12) of the main body (1), and one end of the elastic member (4) is a pressing member (2). 6. The golf club head according to claim 5, wherein the other end of the elastic member (4) is in contact with the end surface of the weight unit (3).   The main body (1) is further provided with a plurality of alignment recesses (16), the alignment recess (16) is installed at one end of the main body (1) where the positioning port (121) is provided, and the alignment recess The golf club head according to claim 4, wherein the golf club heads are arranged so as to be arranged along a peripheral edge of the positioning opening 121.   A stop edge (141) is provided at a position approaching the outer peripheral surface of the annular peripheral wall (11) in each through hole (14), and the stop edge (141) has a diameter relative to the opening of the through hole (14). The golf club head according to claim 4, wherein the golf club head is formed so as to inwardly shrink in a direction.   The body is provided with a positioning protrusion (15), and the positioning protrusion (15) is installed on the inner peripheral wall surface of the through-hole (12) and is formed so as to approach the opening (122). 5. The golf club head according to claim 4, wherein the golf club head is used for locking and positioning the weight unit (3).   An abutment end (22) of the pressing member (2) is provided with an accommodating portion (26), and one end of the elastic member (4) is locked and positioned in the accommodating portion. Item 8. A golf club head according to Item 7.   The weight unit (3) includes a weight main body (31), a fixing member (32), and a clamping piece (33). The weight main body (31) and the clamping piece (33) have center holes (311 and 331), respectively. The fixing member (32) is formed with a collar portion (322), and the collar member (322) of the fixing member (32) is formed between the center hole (311) of the weight main body (31) and the clamping piece (33), respectively. The center hole (331) is penetrated, and the weight main body (31) and the clamping piece (33) are attached to the flange (322) of the fixing member (32). Golf club head.   A plurality of claw portions (332) are arranged on the annular peripheral wall surface of the clamping piece (33), and a gap is formed between each claw portion (332). 12. A golf club head according to 12.

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