TWI495497B - The golf head of the counterweight screw device - Google Patents

Description

Golf head weight screw device

The present invention relates to a counterweight device, and more particularly to a counterweight screw device for adjusting a golf club head center of gravity.

As golf has become one of the most popular and fashionable sports, how to make the sport show its personal strength in the leisure time through the precise design of the golf club, it has become a very important part of sports enthusiasts and industry professionals. . Whether it is a professional player or a general player, each player hopes to have better ball control when hitting the ball. Among them, the center of gravity of the golf ball is related to the flight path and the drop point of the ball after hitting the ball. Bad, therefore, the precise adjustment and testing of the center of gravity of the golf club has become the goal of the industry.

However, even if each golf club has been adjusted for its best use and center of gravity before leaving the factory, depending on the individual's swing posture, strength and other factors, the golf head design will not be able to play its role. Maximum benefit. In view of this, the golf clubs on the market often match various weight-adjusting devices that can be adjusted by the user, so as to adapt to the swing state of each player as much as possible through the adjustment of the weight device.

Refer to Figure 1, for the Republic of China Announcement No. I234474 A conventional weighting member 1 disclosed in the invention patent case, the weight member 1 is coupled to a screw hole 101 of a golf club 100, the weight member 1 A hollow body 11 having an opening 111, a metal powder unit 12 and a foaming material unit 13 which can be sequentially filled in the hollow body 11, and a cover 14 which can close the opening 111 are included. In use, the player can change the center of gravity of the golf club 100 by changing the weight as long as the player replaces the metal powder unit 12 of different weights according to his own habits.

Referring also to Fig. 2, a conventional weighted bolt structure 2 is disclosed in the new patent application of the Republic of China Announcement No. M265079, "Improved Structure of Weighting Bolts for Golf Club Heads". The weight bolt structure 2 is disposed on a golf head 200 having a screw hole 201 and includes a bolt 21 coupled to the screw hole 201. The bolt 21 has a head portion 211 that is latched on the outside of the screw hole 201, and a spiral portion 212 extending from the head portion 211 and screwed into the screw hole 201. The weight bolt structure 2 further includes a gasket 22 disposed between the head 211 and the screw hole 201. In actual use, as long as the bolts 21 of different weights are combined in the screw holes 201, the effect of adjusting the center of gravity of the golf club 200 can be achieved, and the arrangement of the washers 22 can also facilitate the combination of the bolts 21. .

However, referring to FIG. 1 and FIG. 2, the conventional weight member 1 or the weight bolt structure 2 is not only cumbersome in replacing the metal powder unit 12 or the bolt 21, but also in order to make the weight member 1 Or the weight bolt structure 2 can be stably disposed on the screw hole 101 or the screw hole 201, and the thread structure of the weight member 1 or the weight bolt structure 2 is required to be long. Excessive locking stroke to avoid excessive impact force on the ball to loose the weight member 1 or the weight bolt structure 2. However, the length of the lock stroke not only causes a time-consuming increase in the center of gravity adjustment, but the weight bolt structure 2 even needs to be disposed through the washer 22 to make the joint force of the bolt 21 more stable. Even if it is the new patent case of the Republic of China Announcement No. M269940 "Adjustable Golf Putter", it reveals that there is a structural device that can adjust the center of gravity of the golf ball by bolting the depth of the bolt, and it is impossible to combine the conditions of stable and stable combination. It effectively reduces the lock paying stroke and makes the adjustment of the center of gravity of the golf club convenient and time-saving.

Accordingly, it is an object of the present invention to provide a weight screw device that can be firmly coupled to a golf club head and that can effectively shorten the golf ball head of the lock stroke.

Thus, the weight screw device of the golf club of the present invention is disposed on a golf club head including a joint region for coupling with the weight screw device. The weight screw device of the golf head includes a mounting seat fixed in the joint region of the golf head, a weight member disposed in the mounting seat, and a insert disposed in the weight member. And a linkage disposed between the insert and the weight member.

The mount includes a base wall and a surrounding wall extending from a periphery of the base wall. Forming a shoulder on the surrounding wall, the base wall and the surrounding wall cooperate to define a first space communicating with the outside, and a second space between the first space and the base wall, the first The two spaces have a chimeric area.

The weight member includes a latch portion that can be snapped onto the shoulder, a connecting portion connected to the latch portion, and an internal thread portion connected to the connecting portion and spaced apart from the latch portion. The female threaded portion can be engaged with the second space, and the outer diameter of the inner threaded portion is between the latching portion and the connecting portion, and the latching portion, the connecting portion and the female threaded portion cooperate to define a In the lock-up area, the weight member is fixed in the mount by the rotation of the female thread portion into the fitting region so that the weight member cannot be withdrawn from the first space.

The insert member is inserted into the lock-up area, and includes a body, an external thread portion connected to the body and screwable with the internal thread portion, and being formed on the body and connected to the outside world A locking groove is formed, and a linking groove formed on the body. The linkage member is disposed in the linkage groove for creating a linkage relationship between the weight member and the insert member.

The effect of the invention is that, through the arrangement of the linking member, the inserting member and the weight member, the locking between the insert member and the weight member can be greatly shortened while maintaining the stable joint between the members. The stroke and the golf head can be easily and time-savingly adjusted to the effect of adjusting the center of gravity by simply replacing the insert.

3‧‧‧Head screw device

31‧‧‧Assemble

311‧‧‧ base wall

312‧‧‧ Around the wall

313‧‧‧First space

314‧‧‧Second space

315‧‧‧ gap

32‧‧‧weight parts

321‧‧‧Card Department

322‧‧‧Connecting Department

323‧‧‧Threaded Department

324‧‧‧Locking area

33‧‧‧Insert parts

331‧‧‧ Ontology

332‧‧‧External thread

333‧‧‧Lock slot

334‧‧‧ linkage slot

34‧‧‧ linkages

380‧‧‧Chimeric area

390‧‧‧Shoulder

399‧‧‧ card arrival

4‧‧‧ golf head

41‧‧‧ Combination zone

5‧‧‧ Tools

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a partial cross-sectional view showing the weight of the replaceable golf ball counterweight of the Republic of China No. I234474 One of the weights disclosed in the invention patent case; Figure 2 is a partial cross-sectional view showing the new patent case of the Republic of China Announcement No. M265079 "Improved Structure of Weight Bolts for Golf Club Heads" Figure 3 is an exploded perspective view showing a preferred embodiment of the weighting screw device of the golf club of the present invention; and Figure 4 is a perspective view showing one of the preferred embodiments of the preferred embodiment Figure 5 is a cross-sectional view for assistance in explaining the section in the direction of BB in Figure 4; Figure 6 is a cross-sectional view for assistance in explaining the section AA in Figure 4; Figure 7 is a top view for assistance in explaining Figure 4; Figure 8 is a perspective view showing a weight member of the preferred embodiment; Figure 9 is a cross-sectional view for assistance in explaining Figure 8; Figure 10 is a plan view showing a plug-in part of the preferred embodiment Figure 11 is a cross-sectional view for assistance in explaining Figure 10; Figure 12 is a perspective view showing the preferred embodiment of the preferred embodiment; Figure 13 is a plan view showing the insert member and the weight member being clamped to FIG. 14 is a cross-sectional view for explaining FIG. 13; FIG. 15 is a plan view showing a state in which the internal thread portion of the weight member is engaged in a fitting region; 16 is a cross-sectional view for assistance in explaining FIG. 15; and FIG. 17 is a cross-sectional view showing the insertion Continue to lock pay tight contact state of a sample when the base wall.

Referring to Figure 3, the weighting screw device of the golf club head 4 of the present invention The preferred embodiment of the present invention is disposed on a golf club head 4, and the golf club head 4 has a plurality of joint regions 41, each of which is disposed in the corresponding joint region 41. The weight screw device 3 of each golf ball head 4 includes a mounting seat 31 fixed in the corresponding joint region 41, a weight member 32 disposed in the mounting seat 31, and an alternative The latching member 33 of the weight 32 is locked, and a linking member 34 disposed between the inserting member 33 and the weight member 32.

Referring to Figures 4, 5 and 6, the mounting seats 31 of each counterweight screw device 3 each include a base wall 311 and a surrounding wall 312 extending from the periphery of the base wall 311. A peripheral portion 390 is formed on the surrounding wall 312, and the shoulder portion 390 has a plurality of inwardly projecting engagement portions 399. Referring to FIG. 5 , FIG. 6 and FIG. 7 , the base wall 311 cooperates with the surrounding wall 312 to define a first space 313 that communicates with the outside world, and a first space between the first space 313 and the base wall 311 . Two spaces 314, and by the arrangement of the card abutting segments 399, the second space 314 has a defined angle of extension of the card abutting segments 399 and is obliquely interlaced with the first space 313 at 45 degrees. Chimeric area 380.

It should be noted that the angle at which the fitting region 380 is interlaced with the first space 313 is not limited to 45 degrees as illustrated in the preferred embodiment. In actual production, as long as the staggered angle of inclination is between 15 degrees and 90 degrees.

Referring to FIGS. 8 and 9, each weight member 32 includes a latching portion 321 that is engageable on the shoulder portion 390 (see FIG. 5), a connecting portion 322 that is coupled to the latching portion 321, and An internal thread portion 323 that is connected to the connecting portion 322 and spaced apart from the latch portion 321 . The female thread portion 323 can be stuck to The second space 314 (see FIG. 6) has an outer diameter between the latch portion 321 and the connecting portion 322. In addition, the latching portion 321 , the connecting portion 322 and the internal thread portion 323 cooperate to define a locking region 324 .

Referring to FIGS. 10 and 11, each of the inserts 33 is inserted into the lock-up area 324 (see FIG. 9) and includes a body 331 coupled to the body 331 and engageable with the internal thread portion 323. A threaded external thread portion 332, a locking groove 333 formed on the body 331 and communicating with the outside, and a linking groove 334 formed on the body 331. Referring to FIG. 3, each of the linking members 34 is disposed in the corresponding linking groove 334.

In actual production, the insert 33, the weight member 32, and the mount 31 can be directly dimensioned by CNC, stamped discharge discharge, powder metallurgy processing, and the like. In use, referring to FIG. 12, FIG. 13 and FIG. 14, the mounting seat 31 of the weight screw device 3 of each golf club head 4 is initially fixed in the corresponding joint region 41, and each linkage member 34 and each of the inserts 33 are simply disposed in the corresponding linkage groove 334 and the corresponding lock zone 324. The user needs to use a tool 5 in combination with the locking groove 333 of the insert 33 to be disposed, whereby the corresponding weight member 32, the insert member 33 and the linking member 34 are placed together in the mounting seat 31. in. At this time, the latching portion 321 of the weight member 32 abuts against the shoulder 390 of the corresponding mounting seat 31, and the internal thread portion 323 is located in the corresponding second space 314. The internal thread portion 323 of the weight member 32 and the insert member 33 do not abut against the base wall 311 of the corresponding mounting seat 31, and the connecting portion 322 and the surrounding wall 312 still exist. There is a gap 315.

Then, the user continues to rotate the tool 5, causing the tool 5 to drive the insert 33 combined therewith to continue to rotate. Since the linking member 34 is disposed between the inserting member 33 and the weight member 32, the corresponding weighting member 32 is driven by the corresponding linking member 34 when the inserting member 33 rotates. Rotate together. It should be particularly noted that, in the preferred embodiment, the linking groove 334 is annularly formed on the corresponding body 331, and the linking member 34 is made of a flexible O-ring. The material of the linking member 34 is selected from the group consisting of plastic, rubber, silicone, resin, and the like. However, in actual manufacture, the aspect and material of the linking member 34 are It is not limited thereto, as long as it is capable of causing the frictional force of the insert member 33 to rotate during the rotation, and the corresponding weight member 32 is rotated, which is within the scope of the present invention.

Referring to FIGS. 15 and 16, when the weight member 32 is rotated by the insert member 33, the gap 315 (see FIG. 14) between the joint portion 322 and the surrounding wall 312 may be due to such The card abutting portion 399 is gradually reduced inwardly, and the female thread portion 323 is gradually screwed into the position of the fitting portion 380 and is caught by the card abutting portion 399. Until the weight member 32 is rotated to a 45 degree angle with the corresponding insert 33, the internal thread portion 323 cannot be continuously rotated due to the shape of the fitting portion 380, and the weight member 32 is not allowed to continue to rotate. Since the female screw portion 323 is caught by the card abutting portion 399 and cannot be withdrawn from the first space 313, it is fixed in the mount 31.

Referring to Fig. 17, at this time, the tool 5 (see Fig. 12) is continuously rotated, and although the weight member 32 cannot be continuously rotated, the insert member 33 can continue to be screwed in the direction of the corresponding base wall 311. Until the base is pressed against 311, that is, the assembly of the present invention is completed. Since the insert 33 continues to rotate against the base wall 311, the weight of the weight member 32 is continuously rotated, but the internal thread portion 323 of the weight member 32 is restricted. The shape of the fitting region 380 (see FIG. 7) is not able to continue to rotate, so a feedback force is generated, so that the weight member 32 can be clamped upward against the card abutting portion 399, thereby allowing the weight to be The member 32 can be securely coupled to the mount 31 while avoiding excessive impact forces on the ball to release the weight member 32 from the corresponding mount 31.

It should be noted that, in the preferred embodiment, each of the fitting regions 380 is inclined at an angle of 45 degrees with the corresponding first space 313 by the extension angle of the card abutting segments 399, but actually The angle of staggering during manufacture is not limited to this. Further, the outer edge of each internal thread portion 323 and the corresponding fitting region 380 are in an arc angle with four equally spaced intervals, but the fitting region 380 may also be actually manufactured. The shape of the outer edge of the internal thread portion 323 may also be adjusted in accordance with the change in the shape of the corresponding fitting portion 380. As long as the weight member 32 can be drawn from the first space 313 after being rotated by an angle, it is within the scope of the present invention.

Referring to FIG. 3, when the user wants to adjust the center of gravity of the golf club head 4, the inserting member 33 of the weight screw device 3 of each golf club head 4 is unscrewed in the opposite direction from the setting, and the replacement is different. The weight inserting member 33 is screwed in again, so that the insert member 33 can be quickly and stably replaced without changing the corresponding weight member 32 and the effect of adjusting the center of gravity of the golf club head 4 can be achieved.

In addition, in the preferred embodiment, each golf club head 4 has a plurality of joint zones 41, and each joint zone 41 is combined with a corresponding counterweight screw device 3, but in fact each golf club head There may also be only one bonding zone 41 on the 4, and the effect of adjusting the center of gravity of the golf club head 4 can be achieved.

With the structural design described above, the preferred embodiment of the counterweight screw device 3 of the golf club head 4 of the present invention has the following advantages in practical use:

(1) The bond strength is stable:

Through the arrangement of the inserting member 33 and the linking member 34, the weight of the weight member 32 can be abutted against the corresponding base wall 311 through the corresponding inserting member 33 to obtain a feedback. The force abuts against the mounting seat 31, allowing all members to be tightly coupled by force, increasing the stability of use.

(2) Significantly shorten the lock payment schedule:

Since the threaded portion 332 of the insert member 33 is only used to obtain the upward feedback force of the weight member 32, rather than for direct fixing, even if the locking stroke is shortened, the two are not affected. The bonding force of the mount 31 can greatly shorten the lock stroke and reduce the time required for the center of gravity adjustment.

(3) Replacement convenience:

Through the design of the various components of the present invention, when the user wants to adjust When the center of gravity of the golf club head 4 is completely removed, it is only necessary to unscrew and replace the insert member 33 from the corresponding weight member 32, which is quite convenient for the user.

In summary, the weighting screw device 3 of the golf club head 4 of the present invention can be used to consolidate the weight member 32 and insert through the arrangement of the weight member 32, the insert member 33, and the linking member 34. Under the premise that the member 33 and the mounting seat 31 are firmly coupled, the locking stroke required to adjust the center of gravity of the golf club head 4 is greatly shortened, and the step of replacing the components is simplified, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

3‧‧‧Head screw device

31‧‧‧Assemble

312‧‧‧ Around the wall

313‧‧‧First space

32‧‧‧weight parts

321‧‧‧Card Department

322‧‧‧Connecting Department

323‧‧‧Threaded Department

324‧‧‧Locking area

33‧‧‧Insert parts

331‧‧‧ Ontology

332‧‧‧External thread

333‧‧‧Lock slot

334‧‧‧ linkage slot

34‧‧‧ linkages

4‧‧‧ golf head

41‧‧‧ Combination zone

Claims (9)

A weighting screw device for a golf club is disposed on a golf ball head, the golf ball head includes a joint region for engaging with the weight screw device, the weight screw device includes: a mounting seat fixed to the golf ball In the joint region of the golf head, the fitting base includes a base wall and a surrounding wall extending from a periphery of the base wall, the surrounding wall is formed with a shoulder portion, and the base wall cooperates with the surrounding wall to define a a first space communicating with the outside, and a second space between the first space and the base wall, the second space having a fitting area; a weight member disposed in the mount and including a latching portion on the shoulder, a connecting portion connected to the latching portion, and an internal threaded portion connected to the connecting portion and spaced apart from the latching portion, the female threaded portion being The card is in the second space, and the outer diameter is between the latching portion and the female threaded portion, and the latching portion, the connecting portion and the internal thread portion cooperate to define a locking area. The weight member is rotated by the internal thread portion into the fitting region to make the matching The piece is detached from the first space and fixed in the mounting seat; a plug is inserted into the locking area, and includes a body, a body connected to the body and screwed to the internal threaded portion a threaded portion, a locking groove formed on the body and communicating with the outside, and a linking groove formed on the body; and a linking member disposed in the linking groove for the weight member and There is a linkage relationship between the inserts. A weight screw device for a golf club head according to claim 1, wherein The internal thread portion of the weight member does not abut against the base wall of the mounting seat. The weighting screw device for a golf club according to claim 2, wherein the shoulder portion has a plurality of card abutting portions that can be engaged with the connecting portion of the weight member, and the fitting region is by the same The extension angle of the card abutting section is defined and obliquely staggered with the first space. A weight screw device for a golf club head according to claim 3, wherein the fitting region and the first space are obliquely staggered between 15 degrees and 90 degrees. A weight screw device for a golf club head according to claim 4, wherein the fitting region is inclined at an angle of 45 degrees with the first space. A weight screw device for a golf club head according to claim 4, wherein the number of the card-receiving segments is two. A weight screw device for a golf club head according to claim 2, wherein the linkage member has flexibility. The weight screw device of the golf club according to claim 2, wherein the linkage groove is annularly disposed on the body, and the linkage member is an O-ring. A weight screw device for a golf club head according to claim 2, wherein the material of the linkage member is selected from the group consisting of plastic, rubber, silicone, resin, and a combination thereof.