CN1299787C - 高尔夫球杆头 - Google Patents

高尔夫球杆头 Download PDF

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CN1299787C
CN1299787C CNB2004100085985A CN200410008598A CN1299787C CN 1299787 C CN1299787 C CN 1299787C CN B2004100085985 A CNB2004100085985 A CN B2004100085985A CN 200410008598 A CN200410008598 A CN 200410008598A CN 1299787 C CN1299787 C CN 1299787C
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club head
glof club
base plate
metal
front body
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CN1572343A (zh
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山岸久
今本泰范
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Bridgestone Sports Co Ltd
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Abstract

提供一种高尔夫球杆头,该高尔夫球杆头的重心高度合适。高尔夫球杆头(1)由钛类金属材料制成的前面体(10),FRP体(20),金属制的底板(30)和配重件(40)组成。前面体(10)包括面部(2),金属底部(13),金属侧部(突出侧)(14),金属冠部(15),金属侧部(跟侧)(16)和杆连接部(6)。在底板(30)的前边(31)与金属底部(13)之间存有少许的间隙。前面体(10)最好为钛合金制,底板(30)最后为不锈钢制。重心高度H(mm)相对于杆头体积V(cc)的关系为:20≤H≤0.05V+7.5。

Description

高尔夫球杆头
技术领域
本发明涉及中空高尔夫球杆头,特别是涉及木头型或与之近似的形状的高尔夫球杆头。
背景技术
作为发球杆或球道木杆等的木头型高尔夫球杆头,广泛使用中空的壳体结构的金属制高尔夫球杆头。一般来说,中空的木头型的高尔夫球杆头包括击打球用的面部,构成高尔夫球杆头的上面部的冠部,构成高尔夫球杆头的底面部的底部,构成高尔夫球杆头的突出侧、背侧和跟侧的侧面部的侧部,还有杆连接部。杆插入该杆连接部,用粘接剂等固定。再者,最近,被称为多功能杆的高尔夫球杆也在市场上销售得很多,作为多功能杆的一种,有各种类似于上述木头型高尔夫球杆头的头(即,有面部、底部、侧部和冠部)的高尔夫球杆也在市场上销售。
作为构成此中空高尔夫球杆头的金属,可以用铝合金、不锈钢或钛合金,近年来钛合金使用得特别广泛。
一般来说,通过加大中空高尔夫球杆头的体积,能够扩大击球面的中心部分。若加大体积,则随之而来往往会导致高尔夫球杆头的重量增加。因此,为了防止该重量增加,作为高尔夫球杆头的构成材料,考虑了采用比重比上述金属更加小的纤维强化树脂。
在特开2001-340499号中,描述了高尔夫球杆头,其面部和底部为金属制,其它的冠部、突出侧和跟侧的侧部为碳纤维强化热固性树脂(CFRP)制。但是,在此一高尔夫球杆头中,由CFRP制成的冠部及侧部与面部的周缘的接缝成为对接状。在此冠部、侧部和面部之间的接缝部分,在击球时会显著地产生大的应力,若反复使用则此接合部有可能产生剥离的危险。
在特开2003-62130号中,描述了高尔夫球杆头,其把冠前缘部、底前缘部和两侧前缘部与面部一体地用钛锻造制成面部件,接合由树脂材料制成的主体以便与此钛制面部件相连,在底部上配置铝板。由于此面部件包括冠前缘部、底前缘部和两侧前缘部,所以能够比前述特开2001-340499号中的CFRP制冠部与金属制面部之间的接缝处的面部件与该树脂制体之间的接合力大。
发明内容
本发明目的在于,提供一种重心高度合适的高尔夫球杆头。
本发明的高尔夫球杆头是中空的壳体结构的高尔夫球杆头,在由一体的钛类金属材料制成的前面体构成面部及与面部相连的前缘部的高尔夫球杆头上,其特征在于,杆头体积V(cc)与重心高度H(mm)之间的关系为:H≤0.05V+7.5。另外,重心高度H最好是20~28mm。
本发明的高尔夫球杆头,因为其重心低,所以球的击出角度变高。
为了像这样降低重心高度,最好是在底部上配置金属制底板,此外最好是在此底板上设置配重件材料。进而为了轻量化,前面体及底板以外最好是制成纤维强化树脂制。
在本发明的高尔夫球杆头中,最好是把前面体的重量取为20~60%。通过把前面体以外的剩余的重量分配给底板或配置于底板后部的配重件,由此,可如希望的那样,可降低重心位置或将高尔夫球杆头的重心位置降到后侧上等,从而使设计变得容易。
本发明适合于如下的大型发球杆头,该大型发球杆头的体积虽为300~470cc左右,但又必须把重量控制到180~210g左右。
在本发明中,当高尔夫球杆头的体积为300~350cc时,其重心高度H适合为20~23.5mm;当高尔夫球杆头的体积为350~400cc时,其重心高度H适合为20~25.5mm;当高尔夫球杆头的体积为400~470cc时,其重心高度H适合为20~28mm。
附图说明
图1是根据实施方式的高尔夫球杆头的立体图。
图2是从图1的高尔夫球杆头的前面体及底板的前方看到的立体图。
图3是从图1的高尔夫球杆头的前面体的后方看到的立体图。
图4中(a)图是高尔夫球杆头的俯视图,(b)图是高尔夫球杆头的仰视图。
图5中(a)图是图4(a)的V-V线剖面图,(b)图、(c)图是(a)图的B部分及C部分的放大图。
图6是表示本发明的高尔夫球杆头的制造方法的剖面图。
图7中(a)、(b)、(c)、(d)、(e)图是本发明的高尔夫球杆头的FRP体的制造中所用的预浸树脂片材的说明图。
具体实施方式
下面,参照图面就实施方式进行说明。图1是根据实施方式的高尔夫球杆头的立体图,图2是从此一高尔夫球杆头的前面体及底板的前方看到的立体图,图3是从前面体的后方看到的立体图,图4(a)是此高尔夫球杆头的俯视图,图4(b)是此高尔夫球杆头的仰视图,图5(a)是图4(a)的V-V线剖面图,图5(b)、图5(c)是图5(a)的B部分及C部分的放大图,图6是表示此高尔夫球杆头的制造方法的剖面图,图7是此高尔夫球杆头的FRP体的制造中所用的预浸树脂片材的说明图。
此高尔夫球杆头1是中空壳体结构的木头型高尔夫球杆头,其包括面部2,底部3,侧部4,冠部5及杆连接部6。
面部2是击球的面,设置有未图示的槽(刻线),底部3构成高尔夫球杆头的底面部,侧部4构成突出侧、跟侧及后面侧的侧面部,冠部5构成高尔夫球杆头的上面部,在杆连接部6中插入球杆,该球杆靠粘接剂固定。
此高尔夫球杆头1由钛类金属材料(钛合金或纯钛)制成的前面体10,纤维强化树脂体20(以下称为FRP体),金属制的底板30和配重件40组成。此前面体的重量,为高尔夫球杆头的重量的20~70%,最好是其30~60%。
如图2、3中明示的那样,前面体10包括面部2,金属底部13,金属侧部(突出侧)14,金属冠部15,金属侧部(跟侧)16,和杆连接部6。
金属底部13构成底部3的前缘部。金属侧部14、16构成侧部4的前缘部。金属冠部15构成冠部5的前缘部。金属冠部15与金属侧部(突出侧)14及金属侧部(跟侧)16相连。金属侧部(突出侧)14及金属侧部(跟侧)16分别与金属底部13相连。该金属侧部14、16及金属底部13与面部2相连。
此金属底部13和金属冠部15,其在突出侧和跟侧的前后宽度大(与面部2互相垂直方向的宽度),除此之外的中央部13a、15a前后宽度小。由此,高尔夫球杆头的惯性矩加大。再者,从突出侧和跟侧到该中央部13a、15a,其前后宽度逐渐减小。
前后宽度小的该中央部13a、15a的突出·跟方向的长度,在冠部上最好是前面体10的最大宽度的50~85%左右,在底部上最好是前面体10的最大宽度的55~80%左右。
金属冠部15的该中央部15a的前后宽度,最好是前面体10的最大的前后宽度的50~95%特别最好是55~70%左右,金属底部13的该中央部13a的前后宽度,最好是前面体10的最大的前后宽度的50~95%特别最好是50~65%左右。
此前面体10尤其最好是通过锻造或铸造整体进行成形。再者,在锻造时,杆连接部通过机械加工来形成。但是,前面体也可以通过焊接等方式,以接合另外成形的多个部分而构成。
如图5中明示的那样,在底板30的前边31与金属底部13之间,平均留有4~12mm的间隔,特别是留有7~9mm左右的间隔。在两者之间存在着FRP体20。底板30的后边34位于靠近高尔夫球杆头1的最后部的位置上,但是位于比高尔夫球杆头1的最后端稍微向前方一点的位置上。
底板30配置于底部13的突出·跟方向的中央部附近一带。如图2所示,此底板30大致为四边形,其包括与该金属底部13相向的前边31,从该前边31的两端向后方延伸的侧边32、33和后边34。前边31比后边34要长,侧边32、33越往后两者越接近,因而底板30的俯视形状大致为梯形。底板30仿照高尔夫球杆头1的底面而加以弯曲。
底板30的前边31的长度,最好是金属底部13的前述中央部13a的突出·跟方向长度的50~75%特别最好是其60~75%,后边34的长度最好是该前边31的长度的50~80%特别最好是其55~75%。
底板30的前后方向的长度,最好是高尔夫球杆头1的前后方向的最大长度的65~90%,特别最好是其75~85%。
此底板30由不锈钢、铝、铜合金、钛类金属材料等金属材料制成。
在此一底板30的后部上,朝高尔夫球杆头1内竖立设置圆筒部35,在此圆筒部35的内孔中通过拧入方式固定配重件40。
在此配重件40的下端,设置有凸缘部41,在前述圆筒部35的内孔的下缘设置有承装此凸缘部41的阶梯部35a。
在圆筒部35的周围,底板30多少有些凹陷。
配重件40由比重比底板30更大的金属制成,例如钨或钨合金。配重件40的比重最好是10以上,特别最好是10~13左右。配重件40的中心位置,位于比高尔夫球杆头1的前后方向的中央部向后的后部位置上。
此高尔夫球杆头1,其重心高度H(mm)与体积V(cc)之间的关系为:H≤0.05V+7.5。另外,以下有时将0.05V+7.5的值称为Q值。
下面,就此高尔夫球杆头的制造方法进行说明。
为制造此高尔夫球杆头1,要使用金属制的前面体10及底板30和多个预浸树脂片材。
图7是表示本实施方式中所采用的预浸树脂片材的俯视图。图7(a)的预浸树脂片材51是在碳纤维片材中浸透热固化性合成树脂而得到的,图7(b)、(c)、(d)、(e)中的预浸树脂片材52、53、54、60是在一个方向上将碳纤维拉齐而后浸透热固性合成树脂。预浸树脂片材51~55构成FRP体20的下半侧,它们分别设置有用来通过底板30的圆筒部35的圆形开口50。
预浸树脂片材51直接重合于底板30上,其大致为梯形,比该底板30大一圈。
预浸树脂片材52、53、54依此顺序重合于预浸树脂片材51上。这些预浸树脂片材51~54为构成FRP体20的下半部,具有展开FRP体后的下半部的大小。在这些预浸树脂片材52~54的两侧及后缘上,以规定间隔切入多个切缝55,沿着成形用金属模的内面,以容易弯曲的方式构成预浸树脂片材52~54的两侧和后缘。
预浸树脂片材52的碳纤维在突出·跟方向上进行排列;预浸树脂片材53的碳纤维相对于突出·跟方向,在顺时针方向上以60°倾斜相交的方式进行取向;预浸树脂片材54的碳纤维相对于突出·跟方向,在逆时针方向上以60°倾斜相交的方式进行取向。
预浸树脂片材60用于构成FRP体20的上面侧,其设置有杆连接部6接合的大致半圆形的缺口状部61。
在制造高尔夫球杆头1时,首先把底板30安装在具有高尔夫球杆头1的底形状及侧形状的型腔面的金属模上,依次重合预浸树脂片材51~54。然后,进行短时间加热,首先使这些预浸树脂片材51~54半固化,如图6中所示,成形成FRP体20的底部22的形状,并且使其与底板30一体化。
关于预浸树脂片材60,也安装在具有冠部形状的型腔面的金属模上,进行短时间加热而使其半固化,如图6中所示,成形为FRP体20的冠部21的形状。
然后,把这些预浸树脂片材60、带底板预浸树脂片材51~54和金属制前面体10,安装在高尔夫球杆头1的成形用金属模上(省略图示)。
此时,将由预浸树脂片材60组成的冠部21的前缘重合于金属冠部15的下面(杆头内侧面)。此外,将由预浸树脂片材51~54组成的底部22的前缘重合在金属底部13的上面(杆头内侧面)。再者,如图6中所示,底部22的前缘从底板30的前边31向前方伸出,底部22的后缘从底板30的后边34向后伸出。相对于此底部22的后缘的外面,与冠部21的后缘重合。
下面,加热成形模具,并且通过圆筒部35把空气等的气体压力导入成形模具内,把由半固化预浸树脂片材组成的冠部21及底部22推压于成形模具内面,使预浸树脂片材充分固化,并且使冠部21及底部22固定在前面体10上,此外使冠部21与底部22相互接合。
然后进行脱模,把配重件40螺旋安装在圆筒部35上,去掉毛刺,通过施行涂装等精加工处理而作成制品高尔夫球杆头1。
在如此构成的高尔夫球杆头1中,将前面体10、FRP体20、底板30和配重件40组合,从而使其重心设计变得容易。
在本实施方式中,由于连接于前面体10的部分,包括与底板30之间的部分全都为FRP,所以击球时头容易变形,可以成为高反弹。特别是在本实施方式中,由于FRP体20的冠部容易弯曲,所以可以加大击出角,增大飞行距离。
第1实施例
在图中所示的实施方式中,当把前面体10取为重量100g的钛合金制,底板30取为重量34g的不锈钢制,配重件40取为重量24g的钨合金制,制作体积370cc、总重量198g的高尔夫球杆头1的时候,其重心高度为21mm,恢复系数为0.86。
另外在实施例1中,Q=0.05V+7.5=0.05×370+7.5=26mm。
第2实施例
在实施例1中,当将前面体的重量取为90g,底板材料取为23g,杆头重量取为190g,杆头体积取为390cc时,其重心高度为22mm,恢复系数为0.87。另外,在实施例2中,Q=0.05V+7.5=0.05×390+7.5=27mm。
第1比较例
用CFRP制作体积350cc的高尔夫球杆头,安装10g的黄铜制配重件而作成185g的高尔夫球杆头时,其重心高度为26mm,Q值为25mm,恢复系数为0.82。
第2比较例
制作全体为钛合金制的360cc、160g的高尔夫球杆头,配重件材料取为重量10g的钨合金,其中心高度为26mm,Q值为25.5mm,恢复系数为0.85。此高尔夫球杆头的耐久性低。
第3比较例
在实施例1中,把杆头体积取为375cc,前面体重量取为150g,省略底板,当安装20g的钛合金制配重件材料的时候,其重心高度为31mm,Q值为26.25mm,恢复系数为0.8。
如以上所述,通过本发明,可以提供一种重心高度适当的高尔夫球杆头。

Claims (15)

1.一种高尔夫球杆头,该高尔夫球杆头为中空的壳体结构,其面部和与面部相连的前缘部由钛类金属材料一体制成的前面体构成,其特征在于,其杆头体积V与重心高度H之间的关系为:H≤0.05V+7.5,其中,V的单位是cc,H的单位是mm,在底部上配置有与该前面体分体的前后方向上延伸的金属制底板,而且,除前述前面体及该底板以外的壳体部分为纤维强化树脂制。
2.如权利要求1所述的高尔夫球杆头,其特征在于,该前面体的重量为高尔夫球杆头的重量的20~60%。
3.如权利要求1所述的高尔夫球杆头,其特征在于,该底板由比重高于该钛类金属材料的高比重的金属材料制成。
4.如权利要求1所述的高尔夫球杆头,其特征在于,与该面部成一体方式设置杆连接部。
5.如权利要求1所述的高尔夫球杆头,其特征在于,在该底板的后部上固定有配重件。
6.如权利要求1所述的高尔夫球杆头,其特征在于,高尔夫球杆头的体积为300~470cc,重量为180~240g。
7.如权利要求3所述的高尔夫球杆头,其特征在于,其重心高度H为20~28mm。
8.如权利要求3所述的高尔夫球杆头,其特征在于,该前面体的重量为高尔夫球杆头的重量的20~60%。
9.如权利要求3所述的高尔夫球杆头,其特征在于,与该面部成一体方式设置杆连接部。
10.如权利要求3所述的高尔夫球杆头,其特征在于,在该底板的后部上固定有配重件。
11.如权利要求6所述的高尔夫球杆头,其特征在于,高尔夫球杆头的体积为300~350cc,重心高度H为20~23.5mm。
12.如权利要求6所述的高尔夫球杆头,其特征在于,高尔夫球杆头的体积为350~400cc,重心高度H为20~25.5mm。
13.如权利要求6所述的高尔夫球杆头,其特征在于,高尔夫球杆头的体积为400~470cc,重心高度H为20~28mm。
14.如权利要求7所述的高尔夫球杆头,其特征在于,与该面部成一体方式设置杆连接部。
15.如权利要求14所述的高尔夫球杆头,其特征在于,在该底板的后部上固定有配重件。
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CN1572343A (zh) 2005-02-02
AU2004202708A1 (en) 2005-01-13
US7347795B2 (en) 2008-03-25
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US20050020382A1 (en) 2005-01-27
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