CN2462990Y

CN2462990Y - Golf club head with improved welding structure

Info

Publication number: CN2462990Y
Application number: CN01201960U
Authority: CN
Inventors: 陈晴祺
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-05
Filing date: 2001-02-05
Publication date: 2001-12-05
Anticipated expiration: 2011-02-05

Abstract

The utility model relates to a golf club head with an improved welding structure, which comprises mainly a club head body and a ball hitting plate. The utility model is characterized in that a recess is recessed backwards on the front face of the club head body, and an annular connecting surface is formed on the periphery of the front face; the annular connecting surface is provided with a storage groove which is extended along the edge of the annular connecting surface; the ball hitting plate is covered on the front surface of the club head body, a hard solder layer which is composed of hard solder prearranged in the groove, then melted, immersed and coagulated is immersed between the back of the club head body and the annular connecting surface of the club head body; the surface of the club head is provided with an annular soldering part which is extended along the seam, and the annular soldering part is formed by metal which is melted and coagulated.

Description

Has the welded golf driver head of improvement

The utility model is relevant with golf driver head, particularly about a kind of have the improvement welded golf driver head.

Fig. 1 is a kind of side sectional view of the golf club head of commonly using, this bar head 90 is to be formed by a bar head main body 91 and a batting plate 92 seam, wherein this main body 91 is the husk that the front has opening 93, and this plate 92 promptly is to be covered on this opening 93, synthetic club head shape.The weldering knot that plate 92 and main body are 91 is that mat two road formalities are finished: form hard solder layer 94 with hard solder (brazing) technology on the two ring-type composition surface of 91,92 earlier, the circle that freezes in the bar head surface along the two seam of 91,92 again is to form ring-type weldering knot portion 95.

The generation type of aforementioned hard solder layer 94 has two: the first is smeared hard solder (brazing solders) in advance on the composition surface, afterwards plate 92 is pressure bonded to the main body 91 positive location of also giving temporarily, again the bar head is inserted to heat in the stove and make melt solder, this hard solder layer 94 of formation after the cooled and solidified; Other method is to make plate 92 temporarily combine (for example using anchor clamps) with main body 91 earlier, is stained with in the bar head surface along the two seam of 91,92 to be coated with a circle hard solder again, makes and infiltrates after the scolder melted by heating in the slit, forms hard solder layer 94 after the cooled and solidified.

Only preceding method all has its shortcoming: at first, if hard solder is applied on the composition surface in advance, then after plate 92 was pressure bonded to main body 91 fronts, partly scolder can be squeezed out outside the composition surface, the scolder that causes flowing into bar head inside influences club head balance weight and precision solidifying back formation additional weight; And, if hard solder is applied to the bar head surface in advance, then possibly can't be penetrated into after the fusion the inner end of narrow gap, make that the hard solder layer that forms is imperfect, weld strength is not as expection.

Main purpose of the present utility model is promptly providing a kind of welded golf driver head of improvement that has, and the Welding Structure of its batting plate and bar head main body is complete good, and the weldering knotting strength is splendid.

Take off purpose for before reaching, the golf driver head that the utility model provides mainly comprises a bar head main body and a batting plate, this main body lacks nest from positive toward being recessed into one, make positive outer rim form a ring-type and connect face, this ring-type connects face and is provided with the storing groove that generally extends along rim, this batting plate is to be covered on bar head main body front, and the ring-type of its back side and this bar head main body connects between the face, moistens to write by being preset in hard solder fusion in this groove to moisten and ooze the hard solder layer that after coagulation forms; Having one on the bar head surface again along the ring-type weldering knot portion that seam is extended, is to be formed by the metal melting after coagulation.

Wherein this storing groove is in the form of a ring

Below lift two preferred embodiments and cooperate and graphic the utility model is elaborated, wherein:

Fig. 1 is a kind of side sectional view of commonly using golf club head;

Fig. 2 is the side sectional view of the golf driver head that provides of the utility model first preferred embodiment;

Fig. 3 and Fig. 4 are the semi-finished product structural representations of different phase in the utility model first preferable enforcement manufacturing process; And

Fig. 5 is the side sectional view of the golf driver head that provides of the utility model second preferred embodiment.

Please consult Fig. 2 earlier, the golf driver head 10 that the utility model first preferred embodiment provides is iron club heads, and it includes:

One bar head main body 20, make with metal, the back shape that is general iron club head, its front is smooth, lack nest 21 (present embodiment is to be through to the back side) from positive central authorities toward being recessed into one, make positive outer rim form a ring-type and connect face 22, this ring-type connects the storing groove 23 that face 22 is provided with a ring-type of extending along rim;

One batting plate 30 is made with metal, and shape is to be covered on bar head main body 20 fronts corresponding to the positive facial contour of this bar head main body 20, and plate 30 back side outer rims subsides are butted on this ring-type and connect on the face 22, with the shape of bar head main body 20 synthetic iron club heads;

One hard solder layer 40 moistens work and connects between the face 22 in the ring-type of batting plate 30 back sides and bar head main body 20, is to solidify and form by oozing the cloth gap after the hard solder fusion that is preset in this storing groove 23, and will bat plate 30 and the 20 fastening welderings of bar head main body are tied;

One ring-type weldering knot portion 50 is positioned on bar head 10 surfaces.Ring-type seam along 20 of batting plate 30 and bar head main bodies is extended, and is that (through freezing) the fusion after coagulation in abutting connection with the position by this plate 30 and main body 20 forms, and this batting plate 30 and this bar head main body 20 is tied in fastening weldering.

The method for making of this bar head 10 is roughly as follows: prepare this bar head main body 20 and batting plate 30, now is an amount of hard solder 45 (present embodiment adopts the Ni-based scolder that is modulated into paste) the storing groove 23 of main body 20 is built-in earlier, again this plate 30 is covered to main body 20 fronts, and to press modes such as work or spot welding or mat anchor clamps are auxiliary, make plate 30 temporarily combine the location with main body 20, as shown in Figure 3: now is inserted bar head semi-finished product in the vacuum drying oven in the mode of face down, be heated between 1000-1200 ℃ and (annotate: the fusing point that is lower than bar head material, the fusing point that is higher than Ni-based scolder), make hard solder 45 fusions that are preset in the storing groove 23, the slit (but major part is still stayed in groove 23) that scolder membership capillarity infiltration plate 30 after the fusion and main body are 20, form this hard solder layer 40 after the cooled and solidified, as shown in Figure 4; After finishing hard solder, again with argon welding along the circle that freezes of the seam on the bar head surface, make plate 30 and main body 20 produce welding in abutting connection with the part fusion, the cooling back forms this ring-type weldering knot portion 50, and (annotate: the direct fusion mother metal of present embodiment forms weldering knot portion, can bury the hard solder layer 40 weldering trace of bar head surface, only also can when freezing, assist and use wlding); At last again to the bar head surface grind, trimming such as polishing, application.

So, by the dual Welding Structure of this hard solder layer 40 and this ring-type weldering knot portion 50, batting plate 30 has splendid bond strength with bar head main body 20.And, be to be preset in ring-type to connect in the groove 23 on the face 22 in order to the hard solder that forms hard solder layer 40 in the utility model, but not commonly use skill directly be applied in the composition surface, so when plate 30 compresses on connecing face 22, can not be extruded into bar head inside; And can bore toward seam after the scolder melted by heating and ooze, since nearer apart from the composition surface ora terminalis, face 22 connect so can completely ooze full ring-type, do not have the incomplete phenomenon of infiltration, the hard solder layer 40 that forms can partly weld knot fully with the plate 30 and the applying of main body 20, and bond strength is better than commonly using structure.

Before the storing groove 23 taken off in the structure be to connect the face 22 complete circles that center on along ring-type, but only the storing groove in the utility model also discontinuous form extend along rim.

Now is please consulted Fig. 5 again, the golf driver head 60 that the utility model second preferred embodiment provides is a club head, it is formed by a bar head main body 61 and a batting plate 62 seam equally, these main body 61 profiles are the back shape of general club head, lack nest 63 and form husk toward being recessed one from positive, and the ring-type in the front connects and is provided with equally on the face 64 in order to preset the storing groove 65 of hard solder; This plate 62 is to be covered on main body 61 fronts and synthetic rod shape; The ring-type of plate 62 back sides and main body 61 connects has a hard solder layer 66 between the face 64, solidify and form by oozing the cloth gap after the aforementioned hard solder fusion; The plate 62 on bar head 60 surfaces and main body 61 joints have a ring-type weldering knot portion 67 that is formed by metal (mother metal or wlding) fusion after coagulation, with these hard solder layer 40 common fastening welderings knot batting plates 62 and bar head main bodies 62.

Claims

1. one kind has the welded golf driver head of improvement, it is characterized in that, includes:

One bar head main body is made with metal, from its positive past scarce nest that is recessed into, makes positive outer rim form a ring-type and connects face, and this ring-type connects face and is provided with the storing groove that generally extends along rim;

One batting plate is made with metal, is covered on this bar head main body front, and its back side outer rim subsides are butted on this ring-type and connect on the face, with the shape of the synthetic golf driver head of this bar head main body;

One hard solder layer moistens work and connects between the face in the ring-type of this batting plate back side and this bar head main body, is to solidify and form by oozing the cloth gap after the hard solder fusion that is preset in this storing groove, and the fastening weldering of should bat plate and this bar head main body is tied; And

One ring-type weldering knot portion is positioned on the surface of aforementioned rod head, extends along the ring-type seam between this batting plate and this bar head main body, and be to form by the metal melting after coagulation, this batting plate and this bar head main body are tied in fastening weldering.

2. according to claim 1 have the improvement welded golf driver head, it is characterized in that wherein this storing groove is in the form of a ring.