CN2799017Y

CN2799017Y - Golf head with thickness-reduced upper cover

Info

Publication number: CN2799017Y
Application number: CNU2005200019413U
Authority: CN
Inventors: 曾文正
Original assignee: CHAOWEI TECH Co Ltd
Current assignee: CHAOWEI TECH Co Ltd
Priority date: 2005-02-02
Filing date: 2005-02-02
Publication date: 2006-07-26
Anticipated expiration: 2015-02-02

Abstract

The utility model relates to a golf ball head with a thickness-reduced upper cover, which is a ball head which is formed integrally and is provided with an upper cover which is formed into a machining area, the back of the upper cover is formed into an inward concave area and an impingement rebound area, the point of one side of the impingement rebound area is provided with a form of which the center is thicker and both ends of the form are thinner, and the side of the impingement rebound area is close to a batting panel; in addition, the thickness of the circumference except for the machining area is same as the original thickness of the ball head. The reduced weight of the upper cover is moved to the lower side, the rear side, etc., of the ball head after the thickness of the machining area is thinned, and the ball head can realize various effects of low gravity center, deep gravity center, vibration absorption increase and batting sweet area enlargement under the condition of no weight increase.

Description

Golf ball head capable of reducing upper cover thickness

Technical field

The utility model is about a kind of golf ball head capable of reducing upper cover thickness, mainly be positions such as the thickness weight that can make the bulb loam cake the reduce downside that is transferred to bulb, rear side, make bulb be issued to centre of gravity, the very grave heart, increase shock-absorbing and enlarge the various effects in the happy district of batting not gaining in weight.

Background technology

Golf has been the outdoor activity of popularizing at present, and along with the popularizing of golf, and the golf apparatus is coming into one's own gradually also.In the golf apparatus, most important person first elects club, and the good corrupt meeting of club has influence on the stability of square stance and the situation of batting back ball flight, and in the club, is related to the then first-elected bulb of the most important person of batting result.

The one-body molded golf club of traditional type, no matter its material is by the stainless steel metal titanium alloy metal that most friend of sports fan liked up till now, up to now how all big enterprises all improve the position of centre of gravity of golf club and enlarge required effect such as the happy district of batting making great efforts research and development, titanium alloy bulb with present industry manufacturing, bulb is when the hot investment casting moulding, because of material optimal flow coefficient can casting thin-walled thick be about 0.9mm, if wall thickness is less than aforementioned thicknesses, then the just more difficult casting bulb of bulb moulding fraction defective is higher, if so also will be at the bulb downside, rear side is gained in weight and is reached centre of gravity, the very grave heart, even the shock-absorbing material is set increases shock-absorbing effect, all can cause the weight of bulb to increase, therefore, industry is kept the constant principle of bulb volume size in order to reach, many improvement have been done and can allow the weight of bulb loam cake itself lighten, such as: with laser welding or explosive welding thin plate in the loam cake position, or with strong acid corrosion loam cake position, so that modes such as loam cake attenuation; The latter is except that can not also causing environmental pollution the volume production, the former is then because of the cost height, and the interior welding bead of welding loam cake also can influence the sound of square stance, so that can't the par supply the market, the Taiwan patent application is proposed a few days ago No. 93104406 at above-mentioned this creator of shortcoming, so after creator's actual fabrication, still have a little place to improve again, for example: the thickness of bulb loam cake when moulding be easier to limited and during moulding fraction defective higher, and in the worn process bulb loam cake partly also to be difficult for reaching thickness identical and smooth, reality has necessity of being improved again.

The utility model content

This creator in the hope of solving the existing problem of above-mentioned bulb, through constantly test and effort, develops the utility model because the variety of problems of bulb when making is actively to set about being engaged in research and development finally.

The utility model main purpose is to provide a kind of golf ball head capable of reducing upper cover thickness, it mainly is that bulb material optimal flow when the hot investment casting moulding is that several minimal thickness that can the best yields of casting are about 0.9mm, the thin more then more difficult casting of thickness, therefore the utility model is when casting integrated moulding bulb, the neck side of this bulb is provided with the Jiao Kou of casting, then form an annular runner around the bulb loam cake die parting line below, annular runner also communicates with Jiao Kou, this annular runner main purpose is because the thin thicker advantage of thickness that can utilize annular runner of upper cover thickness, metal liquid with assisted casting flow to the loam cake position from Jiao Kou smoothly, and then see through the protuberance of loam cake institute moulding, with regard to itself and the tight and symmetrical arrangement in upper surface, to help the smooth moulding in upper surface of thinner thickness; The bulb loam cake then forms a processing district, form the upper surface and the thicker protuberance of thickness of thinner thickness on it, the back then forms the indent district and impacts the bounce-back district, the side place that this impact bounce-back district is bordering on batting panel is that central thickness is thicker, the form that two-end thickness is thin, in addition, all edge thickness beyond the processing district are the original thickness of bulb; Upper surface and protuberance by the processing district are symmetrical distribution and the near arrangement mode of distance, can the upper surface be that benchmark is worn with the protuberance of being given prominence to smoothly, the weight that the attenuation of worn back is reduced moves to positions such as the downside, rear side of bulb, can reach centre of gravity, the very grave heart, increases shock-absorbing and enlarge the various effects in the happy district of batting.

Description of drawings

Fig. 1: be the top view of the utility model bulb before processing.

Fig. 2: the 1-1 line cutaway view that is Fig. 1.

Fig. 3: the 2-2 line cutaway view that is Fig. 1.

Fig. 4: be the top view after the processing of the utility model bulb.

Fig. 5: the 1-1 line cutaway view that is Fig. 4.

Fig. 6: the 2-2 line cutaway view that is Fig. 4.

Fig. 7: be the utility model bulb another enforcement illustration before processing.

In the accompanying drawing:

10--bulb 11--loam cake

13--upper surface, 12--processing district

14--protuberance 15--periphery

16--indent district 17--impacts the bounce-back district

The 18--batting panel

20--Jiao Kou

The 30--annular runner

The specific embodiment

The utility model is to please refer to shown in Fig. 1 to 3 for golf ball head capable of reducing upper cover thickness: it is the one-body molded bulb 10 with loam cake 11 of hot investment casting, the neck side of this bulb 10 is provided with the glue mouth 20 of bulb 10 castings and the annular runner 30 of die parting line below, this annular runner 30 also communicates with glue mouth 20, loam cake then forms a processing district 12, form the upper surface 13 and the thicker protuberance 14 of thickness of thinner thickness on this processing district 12, the back then forms indent district 16 and impacts bounce-back district 17, these 17 side places that are bordering on batting panel 18, impact bounce-back district are that central thickness is thicker, the form that two-end thickness is thin, in addition, periphery 15 thickness beyond the processing district 12 are the original thickness of bulb 10.In addition, the formed processing district of the loam cake of this bulb, its upper surface 13 and protuberance 14 also in another way casting please refer to shown in Figure 7; Certainly, also can be and the upper surface 13 of processing district and protuberance 14 are done change on shape or the arrangement mode according to actual demand, with realistic demand.

Please refer to shown in Fig. 4 to 6, it is worn with the annular runner 30 of loam cake 11 die parting lines below to be that neck side with bulb 10 is provided with the glue mouth 20 of casting, and 14 of the protuberances that processing district 12 thickness that forms of bulb 10 loam cakes 11 is thicker are that benchmark polishes it with upper surface 13, make that indent district 16 thickness at 12 backs, processing district are 0.6mm, impacting bounce-back district 17 thickness central authorities is 1.4mm, two ends are 0.6mm, and periphery 15 thickness beyond the processing district 12 are the original thickness 0.9mm of bulb 10.

At last, integral body grinding and polishing in addition again after the processing district 12 of bulb 10 loam cakes 11 polished adds and grinds off 0.1mm man-hour, so that indent district, back 16 thickness of loam cake processing district 12 are 0.5mm, and the central thickness in this impact bounce-back district 17 is 1.3mm, and two-end thickness is 0.5mm.

Above-mentioned impact bounce-back district 17 is that central thickness is 1.3mm, two-end thickness is 0.5mm, and be by central thickness towards two ends diminishing structure, it mainly is at the square stance that swings, golf might clash into mutually with any point of 18 on the batting panel, the big two ends of the middle bounce of batting panel 18 bounce is then less, it is thicker to see through the central thickness that impacts bounce-back district 17, the structure that two-end thickness is thin, can impel the bounce of counting in the peripheral radius with central point on the batting panel 18 all to keep the situation that hardly differs, and then make the happy district of batting of batting panel 18 enlarge, so when golf and batting panel 18 have been counted when clashing into mutually in the peripheral radius with its center, the strength that it rebounded can both reach the situation that hardly differs, and allows square stance can obtain preferable bounce-back effect.

The bulb of finishing via above-mentioned the utility model 10, it removes loam cake 11 all edge thickness at 0.9mm, the thickness of loam cake is 0.5mm, it is thicker that one side place of loam cake 11 nearly batting panels 18 is formed with central thickness, the impact bounce-back district 17 that two-end thickness is thin, this impact bounce-back district 17 is the structures that are reduced into 0.5mm by central thickness 1.3mm towards two ends gradually, so that loam cake 11 can provide the batting ballistic properties of its best and then reach the effect that enlarges happy district with respect to batting panel 18.

In sum, the utility model is to utilize under the aforesaid space structure kenel, setting by said structure, mainly can make the minimizing thickness that the loam cake 11 of bulb 10 can be suitable, the thickness that reduces is that weight then can be in order to positions such as the downside that moves to bulb, rear sides, can reach centre of gravity, the very grave heart, increase shock-absorbing and enlarge the happy various effects of distinguishing of batting, obviously the utlity model has remarkable and concrete effect and promote, the utility model has possessed usability on the industry, novelty and progressive, and meeting novel patent requirement, application is mentioned in the whence in accordance with the law.

Claims

1, a kind of golf ball head capable of reducing upper cover thickness, it is characterized in that, wherein this bulb loam cake back then forms the indent district and impacts the bounce-back district, the side place that this impact bounce-back district is bordering on batting panel is that central thickness is thicker, the form that two-end thickness is thin, all edge thickness of loam cake are the original thickness of bulb.

As 1 described thick golf club of loam cake that reduces of claim the, it is characterized in that 2, wherein above-mentioned bulb loam cake week edge thickness is 0.9mm, and the thickness in indent district is 0.5mm.

As claim the 1 or 2 described golf ball head capable of reducing upper cover thickness, it is characterized in that 3, wherein this impact bounce-back district is the structure that is reduced into 0.5mm by central thickness 1.3mm towards two ends gradually.