CN104338300B

CN104338300B - Golf club

Info

Publication number: CN104338300B
Application number: CN201410368042.0A
Authority: CN
Inventors: 水谷成宏; 松永圣史
Original assignee: Sumitomo Rubber Industries Ltd
Current assignee: Sumitomo Rubber Industries Ltd
Priority date: 2013-07-30
Filing date: 2014-07-30
Publication date: 2019-03-22
Anticipated expiration: 2034-07-30
Also published as: CN104338300A; JP2015027394A; KR102239406B1; KR20150014859A; US20150038253A1; JP6321336B2

Abstract

Golf club of the invention has: shaft；Glof club head with bar neck and the first opening portion；The first connector with the first and second end is equipped with interconnecting piece in the second end；The second connector equipped with the first and second interconnecting piece, the first connecting portion are connect with interconnecting piece, and the second connecting portion engages with the bar neck interconnecting piece in bar neck；And fixation member；The golf club is constituted are as follows: shaft is connected obliquely in the first connector, interconnecting piece is connected obliquely in the second connector, interconnecting piece is able to connect with multiple rotation positions with first connecting portion and second connecting portion with bar neck interconnecting piece, the second opening portion being connected to the inner space of bar neck is formed on the surface of glof club head, and it is external to expose at least part of the outer peripheral surface of the second connector.Using golf club of the invention, it is not necessary that the connection structure of shaft and glof club head to be split to the rotation position for just capableing of visuognosis connector.

Description

Golf club

Technical field

The present invention relates to golf clubs.

Background technique

In recent years, the connection for glof club head and shaft proposes a variety of methods.For example, in 1 institute of patent document In disclosed golf club, by installing two connectors between the bar neck and shaft of glof club head, so as to Enough change setting angle of the shaft relative to glof club head.Its specific composition is as follows: firstly, being mounted on the shaft on shaft Connector relative to the inclined state of shaft to fix.On the other hand, the head connector disassembly ease being mounted on bar neck Ground is mounted in head with multiple rotation positions.Moreover, shaft connector relative to the inclined angle of head connector to be embedded in In head connector, and then it can be embedded in head connector with multiple rotation positions.Therefore, by adjusting head connector phase Rotation position and shaft connector for bar neck relative to the two rotation positions of the rotation position of head connector, from And shaft can be mounted on glof club head with multiple angles.Moreover, in this way can according to the hobby of user come Adjust pole base angle, loft and the pole face angle of golf club.

[citation]

[patent document]

Patent document 1: JP Publication, special table 2013-500059

But in golf club as described above, since shaft connector is housed in the inner space of bar neck In, thus can not recognize head connector is mounted in bar neck with which rotation position from external view.Therefore, user wants Confirm head connector rotation position when, it is necessary to two connectors are removed and are decomposed, thus there are operation become complexity this One problem.

Summary of the invention

The present invention was completed to solve the above problem, and its purpose is to provide one kind to be not necessarily to shaft and golf The connection structure of club head splits the golf club for just capableing of the rotation position of visuognosis connector.

Golf club of the present invention has: shaft；Glof club head is open with bar neck and first Portion, and bar neck interconnecting piece is equipped in the inner space of the bar neck, wherein first opening portion is formed in the Gao Er Husband's club head with the bar neck on the position of opposite side, and be connected to the inner space of the bar neck；First connects Device is connect, with first end and the second end, also, first connector has shaft recess portion and described second End is equipped with interconnecting piece, wherein the shaft recess portion is towards the first end side opening and for fixing the shaft；The Two connectors with first end and the second end and are housed in the inner space of the bar neck, also, described Two connectors be equipped with first connecting portion and second connecting portion, wherein the first connecting portion at the first end with it is described The interconnecting piece of first connector connects in the manner of easily disassemble, the second connecting portion in the bar neck with the bar neck Interconnecting piece connects in the manner of easily disassemble；And fixation member, the bar neck is housed in from first opening portion Inner space in, and second connector and first connector are fixed in the manner of easily disassemble；And And the golf club is configured to: the shaft connects in such a way that the interconnecting piece relative to first connector is inclined In first connector, the interconnecting piece of first connector is inclined with the second connecting portion relative to second connector Oblique mode is connected in second connector, the first company of the interconnecting piece of first connector and second connector Socket part can with positioned respectively in multiple rotation positions state connection, the second connecting portion of second connector with The bar neck interconnecting piece of the bar neck can be connected with multiple rotation positions, the shape on the surface of the glof club head At there is the second opening portion, second opening portion is connected to the inner space of the bar neck, and makes second connector At least part of outer peripheral surface expose external, the polygon of the composition second connecting portion of second connector Outer peripheral surface in any one face expose via second opening portion it is external.

In above-mentioned golf club, table is set from the face that second opening portion is exposed in second connector Show the position mark of rotation position.

It in above-mentioned each golf club, constitutes are as follows: the second connecting portion of second connector is by second connection The outer peripheral surface for being formed as polygon in device is constituted, and it is described to store that the bar neck interconnecting piece has the inner wall of polygon Second connecting portion.

In above-mentioned golf club, constitute as follows.That is: described first connector is at the both ends of its first axle Be formed as tubular, shaft recess portion edge with the first end and the second end, and along the first axle The second axis that intersects with the first axle extend, second connector has institute at the both ends of its first axle State first end and the second end, and be formed as tubular along the first axle, the first connecting portion along with institute It states the second axis that first axle intersects and is formed, the first of the interconnecting piece of first connector and second connector Interconnecting piece can be connected with multiple rotation positions around the second axis of second connector, the institute of second connector The bar neck interconnecting piece for stating second connecting portion and the bar neck can be with the first axle week of second connector The multiple rotation positions connection enclosed.

In addition, in the present specification, about the relationship between relationship, connector and the bar neck between connector, using " connection " this word description, still, " connection " as long as the meaning of this word refer at least the two connect without being able to rotate , it is not required for reaching the degree that will not be separated applying external force to the two sometimes.Therefore, in addition to " connection " this word Except language, the state also is indicated using " engaging " this word sometimes.

In above-mentioned each golf club, may be constructed are as follows: the interconnecting piece of first connector has the protrusion of tubular, The first connecting portion of second connector has the recess portion for storing the interconnecting piece of first connector.

At this point it is possible to be formed multiple along described first on the surface of the protrusion of the interconnecting piece of first connector The ridge that the first axle direction of connector extends, forms multiple in the recess portion of the first connecting portion of second connector Slot, multiple slots are for storing multiple ridges and extending along the second axis direction of second connector.

In above-mentioned each golf club, can further it be arranged for blocking first opening portion and disassembly ease Cover.

In above-mentioned each golf club, through hole can be formed on the cover, and can be from the through hole Insertion can operate the tool of the fixation member.

In above-mentioned each golf club, it can be formed on the first end of first connector and the bar neck Open edge abut flange part, and on the flange part setting indicate rotation position position mark.

In above-mentioned golf club, may be constructed are as follows: the inner space of the bar neck includes small diameter portion and large-diameter portion, The large-diameter portion is connected with the small diameter portion and is connected to first opening portion, also, the small diameter portion is formed it directly Diameter is with the taper to become larger towards the large-diameter portion.

(invention effect)

The golf club being related to according to the present invention, due to being formed with the second opening on the surface of glof club head Portion, second opening portion are connected to the inner space of bar neck, so that at least part of the outer peripheral surface of the second connector be made to reveal It is external out, it is therefore not necessary to which the fractionation of the connection structure of glof club head and shaft just can be distinguished via the second opening portion vision Recognize the rotation position of the second connector.Therefore, user can confirm the height according to the rotation position of the second current connector Pole base angle, loft and the pole face angle of golf club.

Detailed description of the invention

Fig. 1 is the perspective view for the golf club that one embodiment of the present invention is related to.

Fig. 2 is the top view of Fig. 1.

Fig. 3 is the exploded view of connection structure.

Fig. 4 is main view when installing the glof club head there are two connector, washer and fixing piece from side Figure.

Fig. 5 is the line A-A sectional view of Fig. 4.

Bottom view when Fig. 6 is the glof club head of Fig. 4 from bottom side.

(a) in Fig. 7 is the side view of the first connector, is (b) cross-sectional view of the first connector.

Perspective view when (a) in Fig. 8 is the second connector viewed from above, (b) be the second connector cross-sectional view, (c) it is perspective view when observing from below the second connector.

(a) in Fig. 9 is another perspective view for indicating the second connector, is (b) its cross-sectional view.

(a) in Figure 10 is another perspective view for indicating the second connector, is (b) its cross-sectional view.

Figure 11 is the cross-sectional view for indicating to be equipped with the example of the glof club head of the second connector described in Figure 10.

(a) in Figure 12 is the main view for being equipped with the glof club head of lid, is (b) its cross-sectional view.

Figure 13 is another cross-sectional view of glof club head.

(a) in Figure 14 is the main view of neck member, is (b) its cross-sectional view.

Figure 15 is another side view for indicating the first connector.

(symbol description)

10 glof club heads

20 shafts

31 recess portions (the first opening portion)

5 bar necks

55 openings (the second opening portion)

6 first connectors

7 second connectors

8 washers (fixation member)

9 fixing pieces (fixation member)

Specific embodiment

Hereinafter, being illustrated referring to an embodiment of the attached drawing to golf club of the present invention (golf club).

Fig. 1 is the perspective view of golf club of the present embodiment, and Fig. 2 is the top view of Fig. 1.In addition, about height The standard state of golf ball head, is described later.In the following description, it is carried out on the basis of the direction in attached drawing sometimes Illustrate, but the direction is not only to facilitate explanation, limits the invention.In addition, about described in following explanation " axial direction ", generally refer to the extending direction of shaft in the absence of special instructions, but also not it is strictly limited It is fixed.

As depicted in figs. 1 and 2, golf club of the present embodiment has shaft 20 and is connected to the end of shaft 20 Glof club head 10 in portion (hereinafter sometimes referred to simply as " head ").In addition, shaft 20 and glof club head 10 are configured Are as follows: it is connected by following connection structures, and the rotation position that shaft 20 is pivoted relative to head 10 can be changed.With Under, each component is described in detail.

Shaft 20 is formed hollow tubulose, also, the lower end of shaft 20 and above-mentioned glof club head 10 connect It connects, is fixed with the handle (grip) of illustration omitted in the upper end of shaft 20.

Glof club head 10 is in hollow structure, and wall surface is by pole face portion (face part) 1, bizet (crown part) 2, bottom (sole part) 3, side (side part) 4 and the formation of bar neck (hosel part) 5.

Pole face portion 1 has the pole face as striking surface, and the top surface of the composition head of bizet 2 is simultaneously adjacent with pole face portion 1.Bottom 3 The bottom surface of composition head 10 is simultaneously adjacent with pole face portion 1 and side 4.In addition, side 4 be between bizet 2 and bottom 3, and The portion with side (heel side) in pole face portion 1 is extended to via the back side of head 10 from the toe side (toe side) in pole face portion 1 Position.In turn, bar neck 5 is adjacent with side with bizet 2 and setting and cylindrical position, and is equipped with and connects for following first Connect the mounting hole 51 of the insertion of device 6.In addition, head 10 described herein is drivers (driver) (#1) or Fairway Woods Wood-types such as (fairway wood), but its type and be not limited, it is also possible to so-called multipurpose rod-type (utility Type) or mix rod-type (hybrid type) etc..

Then, shaft 20 and the connection structure of glof club head 10 are illustrated.Fig. 3 is the decomposition of connection structure Figure.As shown in figure 3, shaft 20 and glof club head 10 pass through the first connector 6 and the second connector in the connection structure 7 and be connected, the two connectors 6,7 are fixed in glof club head 10 by washer 8 and fixing piece 9.Hereinafter, right It is described in detail in the connection structure.

Firstly, being illustrated referring to structure of Fig. 4~Fig. 6 to glof club head 10.Fig. 4 is equipped with from side The main view when glof club head of two connectors, washer and fixing piece, Fig. 5 are the line A-A sectional views of Fig. 4, and Fig. 6 is Bottom view from bottom side when the glof club head of Fig. 4.

As shown in Fig. 4~Fig. 6, the inner space of bar neck 5 and shaft 20 are approximately axially through to 4 side of side in parallel With 3 side of bottom.Recess portion 31 is formed on the position for being in opposite side with bar neck 5 of bottom 3.The recess portion 31 is by 311 He of side Basal plane 312 is constituted, wherein the inner space of side 311 and bar neck 5 extends roughly in parallel and in arc-shaped, basal plane 312 from The side 311 is risen to be extended substantially vertically with the side 311.Moreover, being formed with the inside with bar neck 5 on the basal plane 312 The bottom opening 313 of space connection.In addition, compared on position of the basal plane 312 closer to 51 side of mounting hole, being formed with and bar The inner space of neck 5 is connected to and the opening 55 of rectangular shaped.The opening 55 is by by a part of basal plane 312 and side 4 It cuts off and is formed, so that it is external to expose a part (following large-diameter portions 502) of the inner space of bar neck 5.Moreover, under When stating the configuration of the second connector 7 in the inner space of bar neck 5, a part of the second connector 7 is exposed from the opening 55.

The inner space of bar neck 5 is made of the cylindric columnar large-diameter portion 502 of small diameter portion 501 and quadrangle, the major diameter Portion 502 is connected with small diameter portion 501 and is connected to above-mentioned bottom opening 313.Small diameter portion 501 is formed its diameter with direction 502 side of large-diameter portion and such taper that slightly becomes larger.Moreover, the opening of 502 downside of large-diameter portion is fixed to and bottom opening 313 Unanimously.In assembling, by the first connector 6 from 51 side of mounting hole insertion small diameter portion 501, the second connector 7 is opened from bottom In 313 sides of mouth insertion large-diameter portion 502.Moreover, two connectors 6,7 are in the inner space of bar neck 5 with the side of disassembly ease Formula is connected, and is fixed in a manner of it can dismantle washer 8 and the fixing piece of screw-like 9.

As shown in figure 3, fixing piece 9 is formed by head 91 and the threaded portion 92 connecting with the head 91, and on head 91 On be formed with rectangular recess 911 (referring to Fig. 5, Fig. 6) for spanner insertion.In addition, being formed in the inner space of bar neck 5 It is connect with the stepped part at the coupling part of large-diameter portion 502 with the interconnecting piece 72 of following second connectors 7 in small diameter portion 501, it should Part is equivalent to bar neck interconnecting piece of the invention.About " connection " described herein, as long as at least the two connects and cannot turn It is dynamic, it is not required that reach the degree that will not be separated applying external force to the two.

<2.2 first connector>

Then, the first connector 6 is illustrated referring to Fig. 7.(a) in Fig. 7 is the side view of the first connector, (b) It is the cross-sectional view of the first connector.As shown in fig. 7, the first connector 6 has the company of the main part 61 and tubular that are formed as tubular Socket part 62, and the main part 61 is in be integrally formed with interconnecting piece 62, wherein and interconnecting piece 62 is mounted under the main part 61 End and its diameter are less than main part 61.

Main part 61 is for its axle center and such with extending along first axle X1 cylindrically with first axle X1 Shape, also, main part 61 has the shaft recess portion 611 towards upper end side opening.Moreover, the shaft recess portion 611 has Extend along second axis X2 and cylindrical inner wall, the lower end of shaft 20 be inserted in the shaft recess portion 61, In, second axis X2 and first axle X1 are pitched with about 1 degree of angle of intersection.Shaft 20 is fixed on shaft use by bonding etc. In recess portion 611.The axle center S (referring to Fig.1) of shaft 20 extends along the second axis X2 of the first connector 6 as a result, thus shaft 20 are fixed to obliquely extend from the first connector 6.

In addition, the outer diameter of the main part 61 of the first connector 6 is less than the internal diameter of the mounting hole 51 of bar neck 5, still, in master The flange part 612 extended towards radial outside, the installation of the flange part 612 and bar neck 5 are formed on the outer peripheral surface in body portion 61 The external margin in hole 51 connects.Therefore, the flange part 612 of the first connector 6 is configured in the outside of mounting hole 51, and flange part In the small diameter portion 501 of the inner space for being partly arranged at bar neck 5 of 612 lower sections.In addition, for example as illustrated in fig. 3, in flange Multiple rotational position indicias 65 are formed on the outer peripheral surface in portion 612, by by any one in these rotational position indicias into The standard label 52 that row positioning is equipped with the opening periphery edge of the mounting hole 51 of its alignment rods neck 5, so as to such as It is following to be changed to meet the angle of user preferences like that.

The interconnecting piece 62 of first connector 6 is formed as the tubular extended along first axle X1, and has and open downward The threaded hole 621 of mouth, is formed with negative thread in the threaded hole 621.In addition, on the outer peripheral surface of interconnecting piece 62, along it The mode that circumferencial direction is separated by specified interval is formed with multiple ridges 622 extended along first axle X1.In addition, in Fig. 7 The upper end of a connector 6 is equivalent to first end of the invention, and the lower end of the first connector 6 is equivalent to of the invention second End.

<2.3 second connector>

Then, the second connector 7 is illustrated referring to Fig. 8.When (a) in Fig. 8 is the second connector viewed from above Perspective view, (b) be the second connector cross-sectional view, (c) be perspective view when observing from below the second connector.Such as Fig. 8 institute Show, the second connector 7 has the cylindric columnar interconnecting piece of main part (first connecting portion) 71 and quadrangle (second connecting portion) 72, wherein the lower end of interconnecting piece 72 and the main part 71 is in be integrally connected, also, the diameter of interconnecting piece 72 is greater than main part 71。

Main part 71 for its axle center and has the shape extended cylindrically along first axle Y1 with first axle Y1, Also, the main part 71 has the recess portion 711 towards upper end side opening.Prolong moreover, the recess portion 711 has along second axis Y2 It stretches and cylindrical inner wall, the interconnecting piece 62 of the first connector 6 is inserted in the manner of easily disassemble in the recess portion 711, Wherein, second axis Y2 and first axle Y1 is pitched with about 1 degree of angle of intersection.

On the inner wall of recess portion 711, multiple ridges 622 on interconnecting piece 62 are formed with along second axis Y2 and are engaged Slot 712, to store interconnecting piece 62.According to this constitution, the first connector 6 being mounted in recess portion 711 is along the second connection The second axis Y2 of device 7 extends, and therefore, the first connector 6 is fixed to obliquely extend from the second connector 7.

In addition, since interconnecting piece 62 is combined in a manner of spline with recess portion 711, two connectors 6,7 are with can not be around The mode of axis rotation is connected.At this point, two connectors 6,7 can change rotation in the quantitative range equal with ridge 622 Position is simultaneously connected with the rotation position after the change.In addition, ridge 622 and the quantity of slot 712 are not particularly limited, such as It can be 2~12.It alternatively forms are as follows: the second axis Y2 of the second axis X2 of the first connector 6 and the second connector 7 exists Two connectors 6,7 intersect rather than parallel when connected.

The inside that the main part 71 of second connector 7 configured in the state of connecting with the first connector 6 in bar neck 5 is empty Between small diameter portion 501 in.In addition, large-diameter portion 502 of the configuration of interconnecting piece 72 of the second connector 7 in the inner space of bar neck 5 In.That is, the outer peripheral surface of the square shape of interconnecting piece 72 engages with the inner wall of the square shape of large-diameter portion 502.Therefore, second connects Device 7 is connect to configure in a manner of it cannot be pivoted in the inner space of bar neck 5.At this point, due to the connection of the second connector 7 Portion 72 is formed square shape, and therefore, the interconnecting piece 72 of the second connector 7 can be embedded in bar neck 5 with four rotation positions Inner space large-diameter portion 502 in.In addition, it is formed with rotational position indicia 722 on the side and lower end surface of interconnecting piece 72, Expose to carry out visuognosis by recess portion 31 from bottom opening 313 in the position.In turn, above-mentioned opening 55 can be passed through See the outer wall face of interconnecting piece 72.

In addition, being formed with through hole between interconnecting piece 72 and main part 71.The through hole is by large-diameter portion 731 and small diameter portion 732 are constituted, wherein large-diameter portion 731 be connected towards 72 side opening of interconnecting piece and rounded, small diameter portion 732 with the large-diameter portion 731 and Its diameter is less than the large-diameter portion 731, also, small diameter portion 732 is connected to and rounded with recess portion 711.Above-mentioned circular washer 8 configures In large-diameter portion 731, and fixing piece 9 and the washer 8 are configured together in large-diameter portion 731.91 dummy block of head of fixing piece 9 Circle 8, threaded portion 92 is through small diameter portion 732 and extends in recess portion 711.Moreover, threaded portion 92 be screwed be fixed on insertion it is recessed In the interconnecting piece 62 of the first connector 6 in portion 711.

Here, the face of the configuration washer 8 in large-diameter portion 731 be formed it is vertical with second axis Y2.This is because: connection The first connector 6 in the second connector 7 extends along second axis Y2, thus by the way that washer 8 and fixing piece 9 to be configured to It is corresponding with the extending direction of first connector 6, to firmly fix the first connector 6.In addition, shown in (b) of Fig. 8 The upper end of the second connector 7 be equivalent to first end of the invention, the lower end of the second connector 7 is equivalent to of the invention The second end.

In addition, each connector 6,7 used in above-mentioned connection structure can be formed by a variety of materials, such as can be by The formation such as Ti (6-4Ti), Al (Al7075).

Then, the assemble method of golf club configured as described is illustrated.

Firstly, being inserted into the second connector 7 from the bottom opening 313 of 3 side of bottom.At this point, suitably determining the second connector 7 Interconnecting piece 72 rotation position, so that interconnecting piece 72 to be embedded in the inner space of bar neck 5 with desired rotation position In large-diameter portion 502.Then, the first connector 6 of shaft 20 insertion rod neck 5 in a manner of keeping interconnecting piece 62 directed downwardly will be fixed with Mounting hole 51 in.At this point, making any one alignment in the rotational position indicia 65 on the flange part 612 of the first connector 6 At normal place 52 on 51 neighboring of mounting hole.The interconnecting piece 62 of the first connector 6 is inserted into the interior of bar neck 5 as a result, In the small diameter portion 501 in portion space, and combined in a manner of spline with the main part 71 of the second connector 7.

Then, by the configuration of washer 8 in the large-diameter portion 731 of the interconnecting piece 72 of the second connector 7, also, by fixing piece 9 Threaded portion 92 is inserted into small diameter portion 732, and is screwed togather and be fixed in the interconnecting piece 62 of the first connector 6.Then, the second connection Device 7 is fastened in the first connector 6.

When in the above described manner being fixed shaft 20 and head 10, shaft 20 is relative to the first connector 6 inclination 1 The state of degree is fixed.In addition, the first connector 6 is fixed with the state for tilting 1 degree relative to the second connector 7.Therefore, bar Body 20 relative to 2 degree of 7 maximum inclination of the second connector of state to be fixed.The first connector 6 is as a result, arbitrarily to rotate position Set and be obliquely fixed in the second connector 7, still, due to receiving the first connector 6 inner space small diameter portion 501 by shape As taper, therefore, even if the first connector 6 is fixed in the second connector 7 with arbitrary rotation position, the first connector 6 It will not be interfered with the inner wall of small diameter portion 501.

Here, opposite when changing the first connector 6 in the state of keeping the rotation position of the second connector 7 to immobilize When the rotation position of the second connector 7, shaft 20 changes relative to the setting angle of head 10, it is thus possible to change bar Base angle (lie angle), loft (loft angle) and pole face angle (face angle).Moreover, connecting when changing second When connecing rotation position of the device 7 relative to large-diameter portion 502, it can more critically change pole base angle, loft and pole face angle. For example, when the first connector 6 has 12 kinds relative to the rotation angle of the second connector 7, the second connector 7 is relative to large-diameter portion When 502 rotation angle has 4 kinds, then the change combination of pole base angle, loft and pole face angle is total 48 kinds.

At this point, due to being formed with rotational position indicia 65, and the rotation position in the flange part 5612 of the first connector 6 Label expose it is external and it can be seen that thus user can be easy the rotation position of the first connector of visuognosis 6 which is in Rotation position.In addition, since a part of the large-diameter portion 502 of the inner space of bar neck 5 exposes outside via opening 55, because This, can see the portion perimeter face for configuring the interconnecting piece 72 of the second connector 7 in large-diameter portion 502 from opening 55.Therefore, User is able to confirm that rotational position indicia 722, so as to the rotation position of the second connector of visuognosis 7.Therefore, Yong Huwu Connection structure need to be split to the rotation position and the rotation position of the second connector 7 for being just able to confirm that the first connector 6, thus, it is possible to Enough confirm pole base angle, loft and the pole face angle of the golf club.

<4. variation>

More than, one embodiment of the present invention is illustrated, but the present invention is not limited to above embodiment, It can be made various changes without departing from its purport.For example, can be changed as follows.

<4.1>

In the above-described embodiment, by the way that the interconnecting piece 72 of the second connector 7 is formed as rectangular shape, thus by second In the large-diameter portion 502 for the inner space that connector 7 is fixed on bar neck 5 in a manner of not revolvable relative to large-diameter portion 502, but It is that by the second connector 7, fixed method in the interior space is not particularly limited in a manner of not revolvable, can be used each Kind method.

For example, as shown in figure 9, the second connector 7 is by cylindric main part 71 and has a diameter larger than the main part 71 Interconnecting piece 72 is constituted.Since interconnecting piece 72 is cylindrical, correspondingly by the large-diameter portion of the inner space of bar neck 5 502 are again formed as cylindrical shape.Moreover, four protrusions 721 are formed on the top surface of the interconnecting piece 72 of the second connector 7, in bar neck The fixation hole for storing four protrusions 721 is pre-formed on the large-diameter portion 502 of the inner space in portion 5.

According to this constitution, the second connector 7 can be fixed in the interior space in a manner of not revolvable, and can It is fixed with four rotation positions.In addition, the quantity of protrusion 721 and fixation hole is not particularly limited, it can be any amount. Alternatively, it is also possible to be configured to form protrusion in the inner space of bar neck 5, and fixation hole is formed on the second connector 7.

<4.2>

Alternatively, as shown in Figure 10, the second connector 7 is formed as quadrangle column.That is, the second connector 7 is formed as outer The fixed component of diameter, rather than formed by the different part combination of outer diameter.Other than outer diameter immobilizes, second connector 7 other aspects are identical as the second connector 7 illustrated in above embodiment.That is, the periphery that the second connector 7 is whole Face is formed as rectangular shape, and constitutes interconnecting piece by the outer peripheral surface, rather than interconnecting piece is in addition arranged.Moreover, as shown in figure 11, With the above-mentioned inner wall 503 for correspondingly forming rectangular shaped in the inner space of bar neck 5 and diameter is fixed.But Two connectors 6,7 fall off from inner space in order to prevent, can be arranged towards radially inner side on the inner wall 503 and extend Flange 504, and engage the flange 504 and the main part 61 of the first connector 6 with the stepped part between interconnecting piece 62.

<4.3>

In addition, in the above-described embodiment, two connectors 6,7 are combined in a manner of spline, but it's not limited to that. That is, as long as two connectors 6,7 can be fixed with axial multiple rotation positions, and by two connectors 6,7 It is connected in a manner of being unable to relative rotation, then its form is just not particularly limited.For example, it is also possible to by the first connector 6 Interconnecting piece 62 is formed as polygon, and the recess portion 711 of the second connector 7 is made to have the inner wall of polygon to store the The interconnecting piece 61 of a connector 6.

<4.4>

In addition, in the above-described embodiment, the interconnecting piece 62 of the first connector 6 is formed as into cylindric protrusion, and The recess portion 711 for storing the protrusion is formed on the second connector 7, still, the connection structure of two connectors does not limit In this.For example, it is also possible to the protrusion of tubular is formed on the upper end of the second connector 7, and in the lower end of the first connector 6 The upper recess portion formed for storing the protrusion.

<4.5>

In the above-described embodiment, shaft 20 relative to the first connector 6 tilt 1 degree, and then the first connector 6 relative to Second connector 7 tilts 1 degree, but its tilt angle is not particularly limited.Alternatively, it is also possible to which the two angles are set as different Angle.

<4.6>

In the above-described embodiment, can reach via the recess portion 31 on the surface for being formed in glof club head 10 and bar The bottom opening 313 of the inner space connection of neck 5, but the lid for blocking the recess portion 31 also can be set.Such as schemed Shown in 12, which has the shape surrounded by side wall surface 851, outside wall surface 852 and end face 853, wherein side wall surface 851 Extend along the side 311 of recess portion 31, outside wall surface 852 extends along the outer peripheral surface of glof club head 10, end face 853 and recess portion 31 basal plane 312 is opposite.The axial length of side wall surface 851 is less than the side 311 of recess portion 31, thus in the basal plane 312 of recess portion 31 Gap is formed between end face 853.In addition, being formed with the through hole axially extended between outside wall surface 852 and end face 853 854, so as to be inserted into the tools such as spanner from the external of lid 85 via the through hole 854.Moreover, the tool can be made and consolidated Determine part 9 head 91 engage, so as to close the lid 85 in the state of remove fixing piece 9.

According to this constitution, since recess portion 31 is blocked by lid 85, it is thus possible to which the design for improving head 10 additionally is able to It prevents from losing the fixing piece 9 when removing fixing piece 9.In addition, due between lid 85 and basal plane 312 there are gap, thus energy It is enough to protrude into finger etc. from the gap to change the rotation position of the second connector 7.Therefore, even if being equipped with lid 85, also can Enough rotation positions that the second connector 7 is confirmed from the gap and the opening 55 being formed on 10 surface of head.

<4.7>

The shape of opening 55 is not particularly limited, as long as the inner wall of the inner space of bar neck 5 is cut off, so as to Enough confirm the outer peripheral surface of the second connector 7, then its width, axial length, shape etc. are just not particularly limited.In addition, opening 55 with Bottom opening 313, recess portion 31 are not necessarily to be connected to, and opening 55 can also be made to be separated from each other with bottom opening 313, recess portion 31. That is, opening 55 separately can also be formed on the surface of head 10 as independent opening with recess portion 31 and bottom opening 313. Alternatively, it is also possible to further increase opening 55, so that it is outer to expose the link position of the second connector 7 and the first connector 6 also Portion is rather than just the second connector 7.

As long as moreover, being formed about rotation position in the position of the first connector 6 connecting with the second connector 7 in advance Label, is just capable of the relationship of the rotation position of two connectors of visuognosis 6,7.In addition, about rotational position indicia, normal bit It sets and is not necessarily to specially be distinguish, be just not particularly limited as long as can be positioned to rotation position.As long as that is, being formed with Any label, can also be arranged normal place on the first connector 6, and rotation is arranged on the neighboring of mounting hole 51 Indexable tagging.

<4.8>

In addition, the rotational position indicia 722 on the second connector 7 is represented as lines, still, figure in addition to this can also be utilized Shape, number etc. indicate, alternatively, can also be processed by a part for the second connector 7, such as are cut off or are set Protrusion etc. is set to be indicated.

<4.9>

In the above-described embodiment, the inner space of bar neck is configured to a part of head, still, such as such as Figure 13 It is shown, it can also be by the way that the neck member 50 of tubular be mounted on glof club head to constitute bar neck 5.For example, in height At the position (bizet 2 with side position) of the formation bar neck 5 of golf ball head 10, formed with shaft approximately axially in parallel The installation of extension through hole 21.The installation through hole 21 is through to 3 side of bottom.Moreover, being in bar neck 5 in bottom 3 Above-mentioned recess portion 31 is formed on the position of opposite side.

In the installation the being thusly-formed neck member 50 being fixed in through hole 21 as shown in Figure 14.The neck member 50 by The columnar large-diameter portion 502 of cylindric small diameter portion 501 and quadrangle is constituted, wherein the large-diameter portion 502 is connected with the small diameter portion 501 And it is connected to above-mentioned bottom opening 313.Small diameter portion 501 is formed its diameter and slightly becomes larger with towards 502 side of large-diameter portion Such taper.Moreover, flange part 503 is formed on the outer peripheral surface of small diameter portion 501, the flange part 503 and installation perforation The open edge of 2 side of bizet in hole 21 engages.Moreover, the partial insertion installation of the lower section of flange part 503 in small diameter portion 501 is with passing through In through-hole 21, the opening of 502 downside of large-diameter portion is fixed to consistent with bottom opening 313.Bar is formed by neck member 50 as a result, The inner space of neck 5, the opening of 501 side of small diameter portion constitute the mounting hole 51 of bar neck 5.

<4.10>

In the above-described embodiment, the outer peripheral surface of the first connector 6 is formed as parallel with first axle X1, along with first Second axis X2 that axis X 1 intersects forms shaft recess portion 611, still, such as can also form the as shown in Figure 15 A connector 6.As shown in figure 15, in this example embodiment, the main part 61 of the first connector 6 is tilted relative to interconnecting piece 62.That is, edge First axle X1 formed interconnecting piece 62, and along second axis X2 formed main part 61 outer peripheral surface.In addition, being formed in main body Shaft recess portion 611 in portion 61 is also formed as to be extended along second axis X2.Even if constituting in this way, due to the axis of shaft 20 Line S extends along second axis X2, thus can also by shaft 20 by relative to the first connector 6 it is inclined in a manner of be fixed on the On a connector 6.Thus it is configured to the interconnecting piece 62 of the first connector 6 to tilt relative to the interconnecting piece 72 of the second connector 7 Mode be connected in the second connector 7.In addition, flange part 612 be to be formed relative to the inclined state of main part 61, with Just flange part 612 is whole contacts with the mounting hole 51 of bar neck 5.

<4.11>

Glof club head configured as described is in hollow structure, thus by being engaged more than two components To manufacture.That is, by the head main body that will be formed with 1 or 2 or more the opening being connected to hollow portion and by the opening The other component blocked is engaged to manufacture.For example, it is also possible to by the way that bizet 2 or pole face portion 1 are only formed as individual components, And be combined it with head main body to constitute head, alternatively, being equipped with opening by being formed in bottom 3 or side 4 Head main body, and block the opening using other component to constitute head.Moreover, such head main body can for example lead to The casting methods such as well known dewaxing microcast process (lost wax precision casting method) are crossed to be manufactured.

Claims

1. a kind of golf club, which is characterized in that have:

Shaft；

Glof club head with bar neck and the first opening portion, and is equipped with bar neck in the inner space of the bar neck Interconnecting piece, wherein what first opening portion was formed in the glof club head is in the position of opposite side with the bar neck On, and be connected to the inner space of the bar neck；

First connector, with first end and the second end, also, first connector have shaft recess portion and Interconnecting piece is equipped in the second end, wherein the shaft recess portion is towards the first end side opening and for fixing The shaft；

Second connector with first end and the second end and is housed in the inner space of the bar neck, also, Second connector is equipped with first connecting portion and second connecting portion, wherein the first connecting portion is at the first end It is connect in the manner of easily disassemble with the interconnecting piece of first connector, the second connecting portion is in the bar neck and institute Bar neck interconnecting piece is stated to connect in the manner of easily disassemble；And

Fixation member, from the inner space that first opening portion is housed in the bar neck, and by described second Connector is fixed in the manner of easily disassemble with first connector,

Also, the golf club is configured to:

The shaft is connected in first connector in such a way that the interconnecting piece relative to first connector is inclined,

The interconnecting piece of first connector is connected in such a way that the second connecting portion relative to second connector is inclined In second connector,

The interconnecting piece of first connector can be connect with the first connecting portion of second connector with multiple rotation positions,

The second connecting portion of second connector is made of the outer peripheral surface for being formed as polygon in second connector,

The bar neck interconnecting piece has the inner wall of polygon to store the second connecting portion,

The bar neck interconnecting piece of the second connecting portion of second connector and the bar neck can be in multiple rotations The state connection positioned respectively is set in indexing,

The second opening portion is formed on the surface of the glof club head, second opening portion is interior with the bar neck The connection of portion space, and it is external to expose at least part of the outer peripheral surface of second connector,

Any one face in the outer peripheral surface of the polygon of the composition second connecting portion of second connector via Outside is exposed in second opening portion,

The position mark for indicating rotation position is equipped with from the face that second opening portion is exposed in second connector,

First connector the both ends of its first axle have the first end and the second end, and along The first axle is formed as tubular, and the shaft is extended with recess portion along the second axis to intersect with the first axle,

Second connector the both ends of its first axle have the first end and the second end, and along The first axle is formed as tubular, and the first connecting portion is formed along the second axis to intersect with the first axle,

The first connecting portion of the interconnecting piece of first connector and second connector can be with second connector Multiple rotation positions connection around second axis,

The bar neck interconnecting piece of the second connecting portion of second connector and the bar neck can be with described second Multiple rotation positions connection around the first axle of connector.

2. golf club as described in claim 1, which is characterized in that

The interconnecting piece of first connector has the protrusion of tubular,

The first connecting portion of second connector has the recess portion for storing the interconnecting piece of first connector.

3. golf club as claimed in claim 2, which is characterized in that

On the surface of the protrusion of the interconnecting piece of first connector, it is formed with multiple along the first of first connector The ridge that axis direction extends,

Multiple slots are formed in the recess portion of the first connecting portion of second connector, multiple slots are for storing multiple institutes It states ridge and extends along the second axis direction of second connector.

4. golf club as described in claim 1, which is characterized in that

The golf club is also equipped with the cover for blocking first opening portion and disassembly ease.

5. golf club as claimed in claim 4, which is characterized in that

It is formed with through hole on the cover, and the tool of the fixation member can be operated from through hole insertion.

6. golf club as described in claim 1, which is characterized in that

The flange part abutted with the open edge of the bar neck is formed on the first end of first connector, described Flange part is equipped with the position mark for indicating rotation position.

7. golf club as described in claim 1, which is characterized in that

The inner space of the bar neck includes small diameter portion and large-diameter portion, the large-diameter portion be connected with the small diameter portion and with it is described The connection of first opening portion, also,

The small diameter portion is formed its diameter with the taper to become larger towards the large-diameter portion.