CN2532887Y

CN2532887Y - Golf club head made by joining with dissimilar metal

Info

Publication number: CN2532887Y
Application number: CN02207916U
Authority: CN
Inventors: 陈晴祺
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-19
Filing date: 2002-03-19
Publication date: 2003-01-29
Anticipated expiration: 2012-03-19

Abstract

Disclosed is a golf pole head, which comprises a primary main element, a secondary main element and a frame-cycle element, wherein, the primary main element and the secondary main element combine with each other in shape and generally compose a pole head figure; the two elements adopt different metal materials, and the frame-cycle element adopts the same material as that of the secondary main element. The frame-cycle element is fixed and bound to combine with the external edge of the secondary main element together with the primary main element for the combination under pressure, and the outer margin of the secondary main element is welded on the frame-cycle element to joint as a golf pole head.

Description

Engage the golf driver head that forms with dissimilar metal

Technical field

The utility model relates to a kind of golf driver head, is meant a kind of golf driver head that forms that engages with dissimilar metal especially.

Background technology

Present most golf driver head all is to be engaged by two, three hardwares to form, common pattern similarly is that a batting panel is engaged in a bar head main body front side, or it is first-class to piece together a hollow stem with two, three shell-like structure, except being the rational method of making in the moulding, great advantage should be to make bar head different parts have different rerum naturas, for example the main body rigidity is strong, batting panel elasticity is preferable, or the bottom is heavier, the top is lighter etc.The base this, mostly general golf driver head is to form with the different metal materials joint, and by and large, its bonding method nearly all is to adopt generally to freeze or hard solder welding manners such as (brazing), yet when engaging the different metal member with welding, because the difference of the fusing point of metal, condensation rate, crystal phase structure makes that the bond strength between member is not high in fact, through repeatedly still having rhegma to separate possibility after the batting.

The utility model content

Main purpose of the present utility model is to provide a kind of and utilizes interference fit (interference fit) to engage the golf driver head that forms with dissimilar metal, and it has preferable bond strength.

For achieving the above object, a kind of golf driver head that forms that engages with dissimilar metal that the utility model provides, comprise one first main part, one second main part and a frame circle spare, wherein first main part and the second main part shape cooperatively interact and can roughly be combined into a bar head shapes, and the two is a different metal materials, and the material of frame circle spare is identical with second main part, and fastening bundle closes the outer rim that cooperates second main part, one side in first main part, be interference fit therebetween, the outer rim of second main part is then welded and is tied on block diagram spare.

Wherein the first main part shape is the rear side shank of bar head substantially, and its positive outer rim has an annular recess; The shape of frame circle spare is corresponding to annular recess, gomphosis groove and tightly restrainting in the first main part front side outer rim: second main part has a sheet part in order to batting, and its peripheral profile is tied with dorsal part rim and the weldering of frame circle spare corresponding to frame circle spare.

Wherein first main part has a sheet part in order to batting, and sheet part back side outer rim is provided with an annular recess; The shape of frame circle spare is corresponding to annular recess, gomphosis groove and tightly restrainting in the first main part dorsal part outer rim; The second main part shape is the rear side shank of bar head substantially, with front rim and block diagram spare weldering knot.

Wherein the first main part shape is the shell sheet corresponding to the bottom of golf club head, has a groove that extends along rim on the surface: the shape of frame circle spare is corresponding to groove, gomphosis groove and tightly restrainting in the first main part table lateral margin; Second main part also is the shell sheet, and shape comprises top, neck and the batting panel of club head, with its rim and block diagram spare weldering knot.

The inner peripheral surface of its center circle spare and first main part are restrainted the outer peripheral face that closes the position, are to collude the inclined-plane of pulling mutually.

Description of drawings

Fig. 1 is the generalized section of the iron club head of the utility model first preferred embodiment;

Fig. 2 to Fig. 4 is the manufacturing process schematic diagram of the utility model first preferred embodiment;

Fig. 5 is the generalized section of the iron club head of the utility model second preferred embodiment;

Fig. 6 is the three-dimensional exploded view of the club head of the utility model the 3rd preferred embodiment;

Fig. 7 is the side view of the utility model the 3rd preferred embodiment.

The specific embodiment

Please consult Fig. 1 earlier, it is the side sectional view of golf (iron) the bar head of the utility model first preferred embodiment, bar head 1 is made up of one first main part 10, one second main part 20 and a frame circle spare 30, the material of first main part 10 Wei Bu Rust steel wherein, shape is the rear side shank of golf iron pusher head substantially, be through to the scarce nest 11 (annotate: also can not establish lack nest or do not run through) at the back side according to design from front indented central one, and positive outer rim has an annular recess 12, and the sagittal sidewall 13 of groove 12 is slightly outwards tiltedly to go out the inclined-plane of (about about 3 degree); The material of frame circle spare 30 is a titanium alloy, shape is corresponding to the annular recess 12 of first main part 10, and inner peripheral surface also is the inclined-plane of respective slot 12 sidewalls 13, and frame circle spare 30 is embedded in the annular recess 12, firmly tighten in first main part, 10 front side outer rims, the two 30,10 are interference fit; The material of second main part 20 also is a titanium alloy, be shaped as the batting panel part of bar head front side, has a sheet part 21 in order to batting, the peripheral profile of sheet part 21 is corresponding to frame circle spare 30, the back side has a bulge loop 22 along the periphery extension, presetting slot 23, the second main parts 30 that have a ring-type on the posterior lateral margin face of bulge loop 22 weld the front end face of tying in frame circle spare 30 (welding aftermentioned) with bulge loop 22 posterior lateral margin faces; So, first main part 10, second main part 20 and frame circle spare 30 promptly are bonded into iron club head 1, and its main body rigidity is stronger, and batting panel elasticity is preferable.

The making joint method summary of bar head 1 is as follows: make two

main parts

10,20 and block diagram spare 30 (as shown in Figure 2) respectively in modes such as casting or forgings earlier, on fine size, the little annular recess 12 that is slightly less than first main part 10 of the inner edge of frame circle spare 30, so the time and can't embed in the groove 12; Afterwards 30 heating of frame circle spare are made its slightly microdilatancy, and under swelling state, embed in the groove 12, be located on first main part, 10 front sides (as shown in Figure 3); Frame circle spare 30 cools back after the normal temperature, and volume also is contracted to life size, promptly can tighten first main part 10 (as shown in Figure 4); At last, again second main part 20 is soldered on the frame circle spare 30 that is all titanium alloy, present embodiment system adopts hard solder (brazing) technology: preset earlier hard solder (brazing solders) in the presetting slot 23 of second main part, 20 rear sides, fix to send in the high temperature furnace after two main parts, 20,10 relativenesses with tool and heat, make the scolder melted by heating ooze the joint filling crack, the ring-type composition surface that cooling back weldering knot second main part 20 and block diagram spare are 30; Perhaps, can be on the bar head surface along the two seam of 20,30 circle that freezes, certainly, also can remake generally do hard solder earlier and freeze.

Technical characterictic of the present utility model is two main parts that first preparation can roughly be combined into the bar head shapes, and two main parts are that different metal materials is so that bar head different parts has different rerum naturas; In the junction of first main part outer rim, engage the frame circle spare (being interference fit) that a material is same as second main part afterwards, with the frame circle spare of second main part weldering knot to first main part, be bonded into a golf driver head again with principle of expanding with heat and contracting with cold.Because interference fit is not influenced by the different institutes of material, and high bond strength is arranged; And last weld job is the identical metal of weldering knot material, pretend industry carry out simple, bond strength is stronger.

In the said structure, block diagram spare 30 inner peripheral surfaces and groove 12 sidewalls 13 form and collude the inclined-plane of pulling mutually, for making block diagram spare 30 and the engaging of 10 of first main parts can be more firm, only accurate if size is made, even bearing surface does not make the inclined-plane, after aforementioned program, the two 30,10 still can be negative clearance and cooperate (negative fit) and fastening by closing.

Fig. 5 is the iron club head 2 of the utility model second preferred embodiment, it is by ferroalloy first main part 40 that is the batting panel shape, one is stainless steel second main part 50 of bar head main body shape, and one stainless frame circle spare 60 form, the bulge loop 42 that 40 sheet part 41 back sides of first main part have a contiguous outer rim and extend along rim, as making outer rim place, the back side form an annular recess 43, the shape of frame circle spare 60 is promptly corresponding to groove 43, (after the aforementioned skill and technique of expanding with heat and contract with cold) is embedded in groove 43 and fastening bundle closes 40 outer rims in first main part, 50 welderings of second main part are tied in frame circle spare 60 dorsal parts, make three 40,50,60 are bonded into bar head 2 securely.

Certainly, structure of the present utility model also can be applicable to the golf driver head of other patterns such as club head, and, two main parts in the utility model are not limited to a batting panel and a rear side main body, please consult Fig. 6 again, Fig. 7, the club head 3 of the utility model the 3rd preferred embodiment, it includes: one first main part 70, one second main part 80 and a frame circle spare 90, first main part 70 and second main part 80 all are the shell sheet, the former 70 bottoms corresponding to club head, 80 of the latter comprise the top 81 of bar head, neck 82 and batting panel 83 etc. are partly, the two is 70 years old, 80 can roughly be combined into a club head shape, and wherein, position second main part 80 up is to form with stainless steel casting or forging, first main part 70 of below then is one-body molded with PM technique with copper-tungsten, and proportion is higher than second main part 80; The material of block diagram spare 90 is a stainless steel, and shape presents the bending ring frame shape of corresponding first main part, 70 rims, is to be engaged in first main part, 70 table lateral margins to be press-fitted the cyclization bundle; 80 of second main parts are covered on first main part 70, and its periphery agrees with the frame circle spare 90 that is all Stainless Steel and welds fixedly, so forms the club head 3 with centre of gravity characteristic.

To sum up institute is old, and what the utility model provided engages the golf driver head that forms with dissimilar metal, has and uses the more strong bond strength of bar head (promptly directly with the solder joints dissimilar metal) more.

Claims

1. one kind engages the golf driver head form with dissimilar metal, it is characterized in that: comprise one first main part, one second main part and a frame circle spare, wherein first main part and the second main part shape cooperatively interact and can roughly be combined into a bar head shapes, and the two is a different metal materials, and the material of frame circle spare is identical with second main part, and fastening bundle closes the outer rim that cooperates second main part, one side in first main part, is interference fit therebetween, and the outer rim of second main part is then welded and tied on block diagram spare.

2. the golf driver head that forms with the dissimilar metal joint according to claim 1, it is characterized in that: wherein the first main part shape is the rear side shank of bar head substantially, and its positive outer rim has an annular recess; The shape of frame circle spare is corresponding to annular recess, gomphosis groove and tightly restrainting in the first main part front side outer rim: second main part has a sheet part in order to batting, and its peripheral profile is tied with dorsal part rim and the weldering of frame circle spare corresponding to frame circle spare.

3. the golf driver head that forms with the dissimilar metal joint according to claim 1 is characterized in that: wherein first main part has a sheet part in order to batting, and sheet part back side outer rim is provided with an annular recess; The shape of frame circle spare is corresponding to annular recess, gomphosis groove and tightly restrainting in the first main part dorsal part outer rim; The second main part shape is the rear side shank of bar head substantially, with front rim and block diagram spare weldering knot.

4. the golf driver head that forms that engages with dissimilar metal according to claim 1, it is characterized in that: wherein the first main part shape is corresponding to the bottom of golf club head, be the shell sheet, have a groove that extends along rim on the surface: the shape of frame circle spare is corresponding to groove, gomphosis groove and tightly restrainting in the first main part table lateral margin; Second main part also is the shell sheet, and shape comprises top, neck and the batting panel of club head, with its rim and block diagram spare weldering knot.

5. according to any one described golf driver head that forms with the dissimilar metal joint in the claim 1 to 4, it is characterized in that: the inner peripheral surface of its center circle spare and first main part are restrainted the outer peripheral face that closes the position, are and collude the inclined-plane of pulling mutually.