TWI227675B - Connection structure for a weight member of a golf club head - Google Patents

Abstract

A connection structure for a weight member of a golf club head comprises a golf club head and a weight member. The golf club head forms a recession for receiving the weight member which has connecting surfaces. At least one of the connecting surfaces forms at least one groove for filling with solder. The weight member is inserted into the recession of the golf club head prior to brazing. When brazing, the solder in the groove of the weight member can be melt and then flow out of the groove to permeate into a gap defined between the weight member and the recession of the golf club head so as to form entire connecting structure therebetween.

Description

1227675

V. Description of the invention Π) [Technical field to which the invention belongs] The present invention relates to a golf club head and a counterweight, in particular, a counterweight block forms at least a joint surface ^ + 22 structure, a sufficient amount of filler, Improve the reliability of brazing and containment to accommodate the combined structure. [Prior art] of a golf club head and weight block with a guilty degree, using a combination of a golf club head and a weight block, such as two including a head 10 and a weight block 20, the head 10 by? No, materials are made of negative materials, such as titanium alloys or iron-manganese-aluminum alloys, and those with low specific gravity are made of materials with high specific gravity, such as crane iron nickel alloys. 22: Block 20 can be opened at the appropriate location ~ C3 slot 11 for the use of the appropriate surname ‘二 = 〇 Department of the appropriate block 20. With this, from the head 10 and the weight block 20, ::, 1, the weight will reduce the center of gravity i of the head, and will be conducive to relative expansion; the head will have a two-head relative thickness and increase elastic deformation. Capabilities | The material of the cup head 10 and weight block 20 are different, which is not conducive to borrowing: [welding] Forms a good heterogeneous metal bond, which uses the braze method [braZlng] to combine the head 10 and the matching system such as As shown in Figures 2 to 4, when the brazing process is performed, a filler 30 having a low melting point is inserted into the groove u of the head 10 in advance. Next, the filler 30 is heated and embedded in the weight block 20. After cooling, the filler 30 can be firmly bonded = the weight 30 and the head 10. Although the above-mentioned brazing bonding method is widely used due to simple operation, as shown in Figs. 3 to 4, in actual use, since the weight block 2 0 is filled in the groove 3 0 and filled in the groove 丨 丨And then embedded in the groove 11 1 'and the operator cannot easily control the amount of the filler 3 0, the groove jj

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1227675 V. Description of the invention (.2) and distribution, the degree of tight fit of block 20 and the embedded force of the weight block 20. In particular, when the weight block 20 is embedded in the groove 丨 丨, although the circumference of the weight block 〇but approximately abuts the periphery of the groove 丨 丨, the weight block 〇 There is no shrinkable margin, so that the periphery of the weight block 20 and the groove 1 1 are hot and dense. In addition, once the filler 30 is used with a solder paste, the low temperature heating of the material also results in the problem of hard soldering due to volatilization of organic substances. As a result, 'it is easy to cause filler overflow, interstitial filling = and other problems: filler and other problems', which affects the brazing of the weight block 30: the upper part; the process is difficult to operate ..., it is necessary to improve: Reliability of brazing welding of head and weight block. In order to improve the counterweight, the present invention improves the at least one channel provided on the at least one joint surface, and 2, which is the material of a counterweight. This way, the groove of a club head does not need = filler for pre-filling a sufficient amount of filling 'Θ, which simplifies the brazing process and contains: quasi-control, gap, to strengthen the strength of brazing and the true strength of the brace The reliability of the brazing welding between the weights and the good quality of the finished product can definitely improve the balance. [Inventive Content] ". Eight η main r = for-a kind of golf club head and weight ... combined structure 'It is tied to a weight At least the block must be combined with a wafer; the filling capacity of the channel can be heated and melted ... thin to fill the weight block and the head groove: between the P weight and the weight of the weight block. The effect of welding reliability and yield of finished products.

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1227675 V. Description of the invention (3) The secondary purpose of the present invention is to construct the way to accommodate the grooves, reduce the rigidity of the structure, position the weights, and raise the rigidity. The one channel block is embedded with filler first and then the weight is heavy. [Implementation To make it clear, the next detailed description is that it is to set a filler, and then perform the brazing operation, which is difficult, and it is tied to a hole. The work of performing welding quality on the inner wall of the groove The high system of the present invention provides a weight block to such a weight process so as to make it effective. The system provides a counterweight block and a brazing process time to form an appropriate effect. 0 kinds of Gaoer less agglomeration can predict the kind of Naner club head of the present invention, the fixed fixed golf club head and counterweight block head and a weight Chunky. The club head is provided with a weight block having a method of “into the interior wall of the club head which is fully melted and infiltrated into the club head in advance] The above-mentioned invention is specifically enumerated as follows: Several joint surfaces, at least during the hard and The groove is provided with a filler. In the groove; into the counterweight combined structure. f. At least one groove is set on the joint surface of the head and the weight block. A positioning post and positioning are provided between the recess of the head to simplify the brazing process and the groove M between the head and the weight block. The holes make the matching distance and thus the combined structure provided by the present invention, and the binding groove is provided for receiving the weight and the bonding surface to form at least the brazing process before the matching / fumigation process. Gaps to form the preferred embodiment with the description 彳 /, other purposes, features and advantages, and the golf club head and weights of the present invention in accordance with the figure j are the same as in the first to fourth embodiments. The figure uses a golf club and the same parts of the two use the same figure number. The combined structure of some components and the weight structure of the weight block, because 1227675 V. Description of the invention (4) " '-"' ~ Details To repeat. Referring to FIG. 5, the combined structure of the golf club head and the weight block according to the first embodiment of the present invention includes a club head and a weight block. The head 10 is an iron-type head, which is made of a metal material having a relatively small specific gravity ', such as Chin alloy, iron-manganese aluminum alloy, stainless steel, or soft iron. A groove 丨 丨 is provided at an appropriate position of the head 10, and the groove 丨 can be embedded and combined with the counterweight 20. 2. The weight block 20 is made of a metal material with a relatively large specific gravity, such as a crane iron alloy. The weight block 20 is provided with a plurality of joint surfaces, an exposed surface 20 3 and at least one channel 21. According to the present invention, an appropriate number of the bonding surfaces can be formed according to the shape of the weight block 20, for example, a top bonding surface 201 and a plurality of side bonding surfaces 202 are formed. When the weight block 20 is bonded to the club head, the top joint surface 20 1 and the side joint surface 2 02 can contact the inner wall of the groove of the club head, and the exposed surface is 2 0 3 It is exposed on the outside of the head. The channel 2 is prepared, semi-cylindrical, solitary, or cone-shaped, and is at least recessed and extended at the side joint surface 202 of the weight block 20, and the channel 21 is generally Extending to the exposed surface 203 of the weight 20. The depth of the channel 21 is preferably between 0.03 mm and 0.2 mm. Please follow the pictures shown in Figures 6, 7, 8a, and 8b, which reveal that the welding structure of the golf club head and weight block in the first embodiment of the present invention is brazed. Prior to the brazing process, the present invention pre-fills a sufficient amount of filler 30 in the channel 21 of the weight block 20 in advance. The $ point of the filler 30 is lower than the melting point of the head 10 and the weight 20. The weight block 20 may first compete into the groove 11 of the head 10. As shown in Figure 8a and ⑽ in the horizontal direction = cross-sectional view, before and after the brazing process, the head is heated due to the high temperature.

1227675

1227675 V. Description of the invention ((3) The total volume must be at least equal to 30mm3 to 2000mm3 in order to meet the above-mentioned solid filler volume requirements. On the other hand, when the filler 30 used in the present invention is preferably cohesive One of the additives is a lean filler. However, 'because 50% of the volume will be oxidized and volatilized during heating and melting, the amount of paste filler must be doubled than the solid filler. In other words,' here Under the processing conditions, the volume of the channel 2 i should preferably be doubled (ie 60mm3 to 400mm3), or choose to transport 21 'more than two tanks to make the total volume equal to 60. mm3s400mm3. In the production of “red” due to the fitting clearance between the club head 10 and the weight block 2 0 will vary depending on the product and process, but the weight block 2 0 and grooves of the present invention 11 After the gap of the inner wall is filled with filler 3 using the capillary phenomenon, the remaining filler 30 will still remain in the channel 21, so the weight specification of the finished product can be accurately controlled, production errors of castings can be avoided, and the amount of filler can be prevented. Taka ^ Both problems. Also, because of this According to the invention, after the weight block 20 is properly embedded and positioned in the groove 11 of the head 10, the subsequent brazing process steps can be performed. Therefore, compared to the conventional brazing process, the weight block 20 and the counterweight can be used. The method of directly adding the filler 30 between the two blocks 20 can improve the operation convenience, simplify the manufacturing process and the assembly accuracy of the brazing process. Please refer to FIG. 9, which discloses a second embodiment of the present invention. The combination structure of the golf ball_head and weight block. Compared to the first embodiment, the channel 2 1 of the weight block 20 of the second embodiment is preferably further combined by the side of the weight block 20 The surface 2 0 2 extends to the top joint surface 2 01. This way, the channel 2; [not only can accommodate more fillers 30, but also the filler 30 can be more easily along the channel after melting ·

C: \ Logo-5, 丨 * 'ivc Cont inentfi \ F > K9513.pld Λ * · ^ Λ Page 12 1227675 V. Description of the invention (7') 2 1 and fully penetrate to the top joint surface 2 〇 2. Referring to FIG. 10, a combined structure of a golf club head and a weight block according to a third embodiment of the present invention is disclosed. Compared with the first and second embodiments, the weight block 20 of the third embodiment forms a channel 2 丨 and a plurality of extension channels 2 1 on the side joint surface 202, thereby taking this channel into consideration. The branched structure of 2 丨 and the extension channel 21 can guide and accommodate more fillers 30, and can also relatively increase the combined area of the inner wall of the weight block 20 and the groove 11. Please refer to Fig. 11, which shows the combined structure of a golf club head and a weight block according to the fourth embodiment of the present invention. Compared with the first to third embodiments, the weight block 20 of the fourth embodiment further forms at least one annular groove 21 "on the side joint surface 202 to conduct the grooves of the side joint surfaces 202. Channel 21. In this way, the ring-shaped connecting structure of the groove and the ring channel 2 丨 "can guide and accommodate more fillers 30, and can also increase the counterweight 20 and the inner wall of the groove u relatively. Of the combined area. Please = as shown in Figs. 12 and 13, it discloses the fifth embodiment of the present invention ^ meal check 1, husband, and the combined structure of the weight block. Compared to the first to fourth embodiments, the fifth embodiment is formed with a plurality of positioning holes 12 at the bottom of the groove 丨 of the club head 丨 〇, and a joint surface 2 〇 at the top of the weight block 〇. } Correspond to form a plurality of positioning posts 22. The length of the positioning post 22 is preferably slightly larger than the depth of the positioning hole 12. Thereby, when the weight block 20 is embedded in the groove, the positioning hole 2 and the positioning post 22 are combined, and thus the groove of the head 10 and the bottom of the head and the weight block 20 are combined. There is a gap between the surfaces 201, and at the same time, a predetermined fixed distance can be maintained between the inner wall of the groove 11 and the side joint surface 201 of the weight block 20 to facilitate the filler 30 to penetrate into the groove after melting. Between the inner wall and the side joint surface 20, so

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1227675 Schematic illustration [Schematic description] Figure 1: An exploded perspective view of a conventional golf club head and weights. Figure 2: An exploded cross-sectional view of a conventional golf club head and weight before the brazing process. Figure 3: A partial sectional view of a conventional golf club head and weights during a brazing process. Fig. 4: Partial sectional view of a conventional golf club head and counterweight after the brazing process is completed. Fig. 5: An exploded perspective view of a combined structure of a golf club head and a weight block according to the first embodiment of the present invention. Fig. 6: An anatomical view of the combined structure of the golf club head and the weight block according to the first embodiment of the present invention before the brazing process. FIG. 7 is a partial sectional view of the combined structure of the golf club head and the weight block in the first embodiment of the present invention during the brazing process. 1: ¾¾¾ Figure 8a: Partial cross-sectional view of the combined structure of the golf club head and weight block in the horizontal direction of the front edge of the brazing process according to the first embodiment of the present invention. Fig. 8b ... A partial cross-sectional view in the horizontal direction of the combined structure of the golf club head and the weight block according to the first embodiment of the present invention after the brazing process is completed. Fig. 9 is a perspective view of a combined structure of a weight block according to a second embodiment of the present invention. Fig. 10 is a perspective view of a combined structure of a weight block according to a third embodiment of the present invention. Fig. 11 is a perspective view of a combined structure of a weight block according to a fourth embodiment of the present invention.

C: \ Logo-5 \ Fivc Cont inents \ PK9513.ptd Page 15 1227675 Brief Description of Drawings Figure 12: Anatomical view of the combined structure of the golf club head and weight block according to the fifth embodiment of the present invention. Figure 13: A combined sectional view of a combined structure of a golf club head and a weight block according to a fifth embodiment of the present invention. Figure 14: A sectional view of a combined structure of a golf club head and a weight block according to a sixth embodiment of the present invention. Description of drawing number: 10 club head 11 groove 12 positioning hole 13 striking panel 14 neck 100 internal space 20 S weight 201 top joint surface 202 side joint surface 203 exposed surface 21 channel 21, extended channel 21n annular groove Lane 22 Column 30 Packing

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Claims (1)

1227675 6. Scope of patent application 1. A combined structure of a golf club head and a weight block, comprising: a club head provided with a groove; a weight block which forms a plurality of joint surfaces for corresponding embedding Combined with the inner wall of the groove; and at least one channel formed on at least one joint surface of the weight block, and can be used for pre-accommodating a filler; when the weight block is embedded in the groove of the head The filler of the channel can be fully melted and penetrated into the gap between the weight block and the groove during brazing to form a combined structure of the weight block and the inner wall of the groove. 2. According to the combined structure of a golf club head and a weight block according to item 1 of the scope of the patent application, wherein the weight block is provided with several side joint surfaces, the side joint surfaces corresponding to the inner wall of the groove of the club head, and 03mm 至 0 之间。 Can be used to set the channel 03, according to the scope of the patent application for the golf club head and weight combination structure, wherein the depth of the channel is between 0.03mm to 0. ~ 4. According to the combined structure of the golf club head and the weight block according to item 2 of the scope of patent application, wherein the weight block is provided with a top joint surface, the top joint surface is provided with the channel, and the side joint surface The channel extends to the top joint surface and communicates with the channel of the top joint surface. 5. According to the combined structure of the golf club head and the weight block described in item 2 of the scope of the patent application, the channel is provided with several extension channels on the same side joint surface. 6. According to the golf club head and weights described in item 2 of the scope of patent application C: \ Logo-5 \ Fivc Con t inen ts \ PK9513.ptd Page 17 1227675 Six. Patent application scope combined structure, in which the channel is additionally provided with at least one annular channel between the joint surfaces on each side to Connect the channels on the joints on each side. 7. According to the combined structure of a golf club head and a weight block as described in item 1 of the scope of the patent application, wherein a plurality of positioning holes are formed at the bottom of the groove of the head, and a plurality of positioning posts are correspondingly formed by the weight block, the The length of the positioning post is greater than the depth of the positioning hole; when the weight block is embedded in the groove of the head, the positioning post of the weight block is snapped into the positioning hole of the groove of the head to maintain the weight The distance between the block and the inner wall of the groove. 8. The combined structure of a golf club head and a weight block according to item 1 of the scope of the patent application, wherein the filler is a solid filler. 9. The combined structure of a golf club head and a weight block according to item 8 of the scope of the patent application, wherein the volume of the channel is at least equal to the volume of the gap formed between the weight block and the groove of the club head. 10. The golf club head and counterweight 3 described in item 1 of the scope of the patent application: a combination structure, in which the filler is a paste-like filler containing a binder 11. According to the item 10 of the scope of the patent application The combined structure of the golf club head and the weight block, wherein the volume of the channel is at least twice the volume of the gap formed between the weight block and the groove of the head. 1 2. According to the combined structure of a golf club head and a weight block described in item 1 of the scope of the patent application, wherein the club head is an iron club head. 1 3. According to the combined structure of a golf club head and a weight block according to item 1 of the scope of the patent application, wherein the club head is a wood club head. C: \ Logo-5 \ I; i vc Coni incn t s \ PK9513. Ptd page 18