The golf club handle of composite
(1) technical field
The utility model relates to a kind of golf club handle.
(2) background technology
Be the outside drawing of golf clubs in the past as shown in Figure 1, golf clubs 1 in the past mainly comprises three parts, be respectively a bar head that contacts with golf ball body 11, a handle 12 for user's gripping, reach one in order to connect the shaft 13 of this bar head 11 and this handle 12, because handle 12 is the parts that directly contact with the user, therefore, the design of handle 12 is especially important.Golf club handle 12 in the past has various style, size and material, be available for users to select, because everyone hand size and thickness all more or less have some differences, therefore, the user should select hand size and the lucky golf club handle 12 that cooperates of thickness with oneself for use, size is for the very important influence of selecting for use of handle 12, so-called size is meant the thickness+internal diameter after handle 12 is installed in club, whether the thickness of handle 12 appropriately will influence the user when gripping and the sensation in when swinging, when the thickness of handle 12 is not enough or blocked up, the user is difficult for gripping, and then influences smooth degree and the outbound form of golf ball (as Draw (HOOK) or miss (SLICE)) that swings.
As mentioned above, golf clubs 1 is by bar head 11, handle 12 and shaft 13 are formed, therefore the change on arbitrary construction weight will inevitably have influence on gross weight (the total weight of whole golf clubs 1, or claim static gross weight) and swing weight (swing weight), the meaning of aforementioned swing weight is a nose heave amount of being felt when swinging of bar, the distribution of club weight just, being that a kind of bar is nose heave heavily reaches the heavy ratio of handle with shaft, swing weight is bigger, bar head speed is faster, square stance strength is bigger, ball flies far, swing weight is differentiation with Luo Lashimike scale (lorythmic scale) more generally, with English alphabet A, B, C, D, E, F and G are distinguished into seven grades, each grade is divided into ten scales such as 0 ~ 9 grade again, the grade back of healing, then swing weight is bigger, the grade front of healing, then swing weight is littler, and for example: the swing weight of grade D0 is the swing weight less than grade D5.General male sex sportsman only uses the golf clubs 1 before grade D0 ~ D5, grade D5 later on normally male sex's professional class using.
From the above, the weight change of club 1 three parts (bar head 11, shaft 13 and handle 12) can have influence on static gross weight and swing weight.The manufacturing commercial city of most of golf clubs 1 increases swing weight by weight that reduces shaft 13 or the weight that increases bar head 11; The manufacturer of a few exceptions reaches the purpose that increases swing weight with the size that thin rubber material changes handle 12, yet so but can make handle 12 lose suitable size; Handle 12 whenever increases, when subtracting 4 g, the grade that makes swing weight is subtracted, increases lorythmic scale1 scale, when the grade of swing weight only increases, subtracts 1 scale, general user is difficult for feeling, substantially, when the grade of swing weight increased, subtracts 3 scales, the user just can feel the variation of weight.
Because golf swing is the extremely strong a kind of motion of instantaneous burst power, at square stance, the vibrations that impact produced of club and ball often hurt arm muscle because of hand-tight handle passes to sportsman's hand, so the shock absorption of handle is improved also very important.
Golf club handle 12 in the past is to adopt monolithic rubber or synthetic plastic is molded forms, because of it has surface anti-skidding, tough and tensile and have advantages such as elasticity, after golf clubs 1 often uses a period of time, the surface of handle 12 can wearing and tearing or hardening and become more sliding, influence the degree of accuracy that the user swings, therefore need to change; When changing handle 12, two kinds of selections can be arranged, just embedded type handle or coil type handle, explanation as back respectively:
1. changing the outfit about the embedded type handle--at first remove handle originally, shaft 13 ends are exposed, then paste double faced adhesive tape in coating on the position of script handle, assistance that then need be by some instruments and chemical solvent could be incited somebody to action roughly and the identical hollow embedded type handle of shaft 13 external diameters, wears up from the end of shaft 13; Because the embedded type handle is high and very time-consuming at the degree of difficulty of installing, can't finish by general golf player, so the golf player needs its club 1 is transferred to golf shop a couple of days of specialty so that changing the outfit of handle 12.
2. changing the outfit about the coil type handle--at first remove handle originally, shaft 13 ends are exposed, then coil type handle 2 could be installed on the position of script handle, as shown in Figure 2, the elongate resilient band 21 that one inner face is adhesive with double faced adhesive tape is wound in outside the shaft 13 to the direction at bar head 11 places gradually from the end of shaft 13, elastic webbing 21 edge strips 210 on the volume of back must be close proximity to elastic webbing 21 edge strips 210 on the last volume during coiling, after treating that elastic webbing 21 coilings are finished, put a retainer ring 22 and an elastomeric cap (cap) 23 again in the two ends of elastic webbing 21 respectively, so promptly finish the replacing of coil type handle 2; Compared to the degree of difficulty of the embedded type handle that changes the outfit, the coil type handle is easier to be installed voluntarily by general golf player, yet the coil type handle that changes the outfit still has the following place that should note and shortcoming:
(1) when coiling elastic webbing 21, must focus one's attention on very much, otherwise promptly can't reel smooth-goingly, and accidentally just make adjacent winding produce the gap easily.
(2) because retainer ring 22 and elastomeric cap 23 assemble in addition, in use for some time, be easy to come off, particularly the part of elastomeric cap 23 is all the more so.
Patent about the coil type handle is quite a lot of, and its major requirement all is that the user can be installed easily, yet still has some shortcomings, enumerates the explanation back:
(1) U.S. the 2nd of Michael J. Prey De Jiasite (Michael J.Prendergast), 721, No. 741 patents, it discloses the upper shield that winding part and that a golf club handle has a spirality breach forms in the winding end, the terminal correspondence of upper shield end and shaft is formed with trip (key) and the slot (slot) that cooperatively interacts, and makes upper shield be positioned the shaft end; Its shortcoming is: when mounted, at first must make a slot at the shaft end by instrument, cause operational difficulty, then finish the coiling of winding part on shaft, just upper shield is positioned the shaft end then, for general golf player high degree of difficulty is arranged and be difficult to carry out, being easy to install of this and this case institute demand deviated from fully.
(2) U.S. the 4th of Gai Se (Gaiser), 174, No. 109 patents, it discloses a golf holding rod is to be made by a belt with open cellular type (open-celled) foam structure, and be wound in shaft spirally, the two has an open edge in adjacent cover part, then has adhesion at the back side of open edge; Its shortcoming is: the employed winding material of this case is open cellular type foam structure, makes very soft of winding, so that square stance can't provide firm support, and makes and installing unusual difficulty and time-consuming.
(3) patents such as the U.S. the 5th, 816,933 and 5,813,921 of yellow (Huang) disclose and finish the various compound golf club handle that winding that unification open pores inner textile layer (for example felt) and the synthetic outer cortex of a sealed porosity polyamine fat constituted forms.Basically, this golf club handle is formed by being coated on the outer winding (5,816,933 patents as described above) of shaft spirally, then putting a upper shield (cap) separably in the shaft end throws off to prevent belt, in other words, the handle of this type needs two steps when mounted at least, and forms a strength tolerances than weakness between upper shield and winding, because upper shield is to be installed on shaft in addition, but not integrally formed with winding, in use for some time, upper shield gets loose easily; In addition, this winding is too thin, flat and too soft, its thickness is difficult to surpass 2.5mm, so that be only applicable to the shaft (0.790 " ~ 0.865 ") of large-size, because the winding internal layer is the woollen layer (felt layer) of perforate fabric, tough and tensile inadequately, can't be as adopted rubber or hot plastic rubber to provide the square stance that swings enough supports in the past.This golf club handle also can be by being wound in winding on one sleeve pipe, and then sleeve pipe is coated on shaft outer (as described above 5,813,921 patents, so that handle thickness increases) form, like this, though can avoid the shortcoming of the aforesaid U.S. Patent of Huang, yet when this handle is installed in shaft, be subjected to the restriction of winding, so that be difficult for sleeve pipe is strutted, cause the difficulty of installing.
Therefore, the selection of handle must be considered following factor especially with installation, for example suitable handle size, weight (this can influence swing weight and speed), skid resistance, shock absorption, be easy to install or the like, more than all personal like and the demand with the golf player is relevant.
(3) utility model content
Main purpose of the present utility model is to provide a kind of and is not changing the closing under hand (fitting) the size prerequisite of traditional golf clubs, alleviate handle and club gross weight, and the increase swing weight, and then increase the golf club handle of the composite of the distance that swings.
It is a kind of under the prerequisite that does not influence the handle size that another purpose of the present utility model is to provide, and the golf club handle of the composite of selecting for weight is provided in a big way.
Another purpose of the present utility model is to provide a kind of enough tough elasticity golf club handle, with the strength of the abundant absorbing vibration of square stance that swings at golf clubs, and can provide firm support.
A purpose more of the present utility model is to provide a kind of tough elasticity golf club handle, is put on the upper and lower strength of handle and bear.
Another purpose of the present utility model is to provide a kind of golf club handle with the composite on anti-skidding top layer, slips out to avoid golf clubs.
Another purpose of the present utility model is to provide a kind of golf club handle with the protean anti-skidding top layer of style.
A purpose more of the present utility model is to provide the golf club handle of lighter, the integrally formed and easy-to-install composite of a kind of weight.
Another purpose of the present utility model is to provide a kind of golf club handle that is formed with the composite of a upper shield and winding.
A purpose more of the present utility model is to provide a kind of golf clubs coil type handle with stiffener, when avoiding installing or use for a long time may cause the situation that upper shield is separated with winding.
Another purpose of the present utility model is to provide a kind of easy-to-install golf club handle, no matter is that setter or the amateurish assembler to the golf shop all is easy to install.
The golf club handle of composite of the present utility model is suitable for being installed in the shaft distal portion of golf clubs, is characterized in, includes: an airtight cellular type foam bottom, and its inner surface directly contacts with shaft, driving fit; And an anti-skidding top layer, aggegation fits in the outer surface of this bottom.
The golf club handle of composite of the present utility model is made for preferable with ethene-vinyl acetate copolymer (EVA foam); And this anti-skidding top layer is the outer surface that direct aggegation fits in this bottom; Form an embedded type handle whereby.
In addition, can do axial screw shape cutting and be formed with a coil type handle this embedded type handle, it include the cylindrical shape upper shield of a hollow and a helical coil around winding; Wherein this upper shield is adapted to be mounted to the end of club; Reaching this winding is to be connected with this upper shield one, and axial screw shape ground coiling is coated on shaft.
For further specifying the purpose of this utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the outside drawing of golf clubs.
Fig. 2 is the coil type handle assembling schematic diagram of golf clubs.
Fig. 3 is the combination stereogram of a preferred embodiment of the utility model golf club handle.
Fig. 4 is the three-dimensional exploded view of the utility model preferred embodiment.
Fig. 5 is the cross-sectional vertical view cutaway drawing of cutting handle of Fig. 3.
Fig. 6 is the side view that the vertical profile of Fig. 3 is cut handle.
Fig. 7 is the variation aspect cutaway view of the utility model preferred embodiment.
Fig. 8, the 9th is with the schematic diagram of different distance and different cutting angle cutting the utility model embedded type handle.
Figure 10 is the utility model embedded type handle forms the coil type handle after cutting a outside drawing.
Figure 11 is the outside drawing of the utility model stiffener.
Figure 12 is the variation outside drawing of the utility model stiffener.
Figure 13, the 14th, assembling the utility model coil type handle is in the action series of golf ball bar body.
Figure 15 is the phantom of Figure 14.
Figure 16,17, the 18th, assembling the utility model coil type handle is in the action series of another variation occupation mode of golf ball bar body.
(5) specific embodiment
Plastics can different kenels be done various utilizations, (1) liquid seccotine for example, (2) preservative film of form of film or as with the polyamine membrane of lipoprotein as the closed pore thin film exterior layer, (3) fibers form as with the perforate fabric as felt internal layer (felt layer), (4) the hot plastic elastomer (TPE) of solid-state thin slice kenel or hot plastic rubber (TPR), (5) have the foaming body or the foam of hollow foaming structure, it has low-density and lightweight feature.
As described in top (5), this plastics foam can be distinguished into two classes according to different inside foaming structures, the first is applied to the U.S. the 4th as Gai Se (Gaiser), 174, in No. 109 patents as open cellular type (open-celled foam) the foaming body structure of grip material, another is applied in the utility model airtight cellular type (close-celled foam) the foaming body structure as grip material, speciality (appearance aftermentioned) such as elasticity is tough and tensile, shock-absorbing power is preferable, in light weight that it has.The 5th, 816, No. 933 patents of the U.S. of aforementioned Huang with the perforate fabric as woollen internal layer, with polyamine fat as thin film exterior layer, and U.S. the 4th, 174 of Gaiser, use open cellular type foaming structure as grip material in No. 109 patents, the two has shortcomings such as too soft, flat, too thin.
Shown in Fig. 3~6, one preferred embodiment of the golf club handle 3 of the utility model composite is to be installed on the shaft of a golf clubs 4, and to coat the end 40 of shafts 4 with the integrally formed handle head end 32 of this handle 3, this handle 3 mainly comprises airtight cellular type (close-celled foam) the foam bottom 30 that an inner surface directly contacts with shaft 4, reach an aggegation and fit (cohesion bond), and this anti-skidding top layer 31 might not be coated on outside the handle head end 32 in the anti-skidding top layer 31 of the outer surface of this bottom 30.This airtight cellular type foam bottom 30 must be at first behind over-molded (molded) or integer (shaped) one-tenth tubular body, then just the binding face (inner surface just) in its outer surface and this anti-skidding top layer 31 fits into example with ethene-vinyl acetate copolymer (back claims the EVA foam) to rubber, handle two with inorganic agent (primer) earlier and intend binding face (inner surface on the outer surface of this airtight cellular type foam bottom 30 and this anti-skidding top layer 31 just), again with solid (cement) in addition after curing agent and the coating, this airtight cellular type foam bottom 30 and this anti-skidding top layer 31 fit into one with regard to aggegation.This airtight cellular type foam bottom 30 can be configured as the body of various different-thickness, and collocation thickness circle is in the anti-skidding top layer 31 of 0.2mm ~ 3mm thickness range, but is preferable with 0.7mm ~ 2mm.Therefore, the thickness on thickness, foaming body density or this anti-skidding top layer 31 by changing this airtight cellular type foam bottom 30 makes the utility model be provided in a big way handle weight to select for the user under the prerequisite of closing the hand size can not losing.Shown in Fig. 6,7, since foaming body density difference, the thickness difference of this airtight cellular type foam bottom 30 ', the anti-skidding top layer 31 ' of the different-thickness of can therefore arranging in pairs or groups.
31,31 ' the optional usefulness following material in anti-skidding top layer of the present utility model is made: comprise natural or synthetic rubber, hot plastic elastomer (TPE), hot plastic rubber (TPR), polyamine fat rubber (PU) synthetic skin, natural or synthetic skin or other equivalent material.At this is as anti-skidding top layer of the present utility model 31,31 ' preferable enforcement with rubber or rubber composite.This anti-skidding top layer 31,31 ' can be configured as different decorative patterns, color, thickness or indicate the trade mark of product in its outer surface, by should anti-skidding top layer 31,31 ' aggegation fits in outside this airtight cellular type foam bottom 30, the be increased frictional force of golf club handle 3 slips out to avoid golf clubs.
The utility model with airtight cellular type foam as bottom 30,30 ', and with ethane-acetic acid ethyenyl polymer (then claim EVA foam) as preferable enforcement, as for other various plastics that can be used as airtight cellular type bubble structure, for example polyamine fat rubber (PU) also is suitable for as bottom 30,30 '.Below will do an explanation in detail to the characteristic and the processing procedure of EVA foam:
The EVA foam is a tough and tensile bridge formation formula closed pore plastics foam, have vinyl acetate polymer (VA) and polyethylene (PE) the two in conjunction with after hot plastic elastomeric characteristic.The EVA foam is by the EVA particle, calcium carbonate, talcum powder, toner, blowing agent and bridging agent manufacturing form, just form the not EVA resin of foaming after mixing these raw materials, if will finish bridge formation, the making of airtight cellular type vinyl bubble glue, then the EVA resin that need will not foam is placed in and makes its expansion in the hotting mask with little space, and wherein blowing agent and bridging agent will be by starts when hot-die reaches different temperature, the temperature of blowing agent start is lower than the temperature of bridging agent start, when hotting mask is heated to the temperature of blowing agent start, at first blowing agent can discharge gas (normally nitrogen), and in this heating processing, make raw material such as resin begin fusion, at this moment, the hotting mask pressure inside will constantly increase, high pressure will make micro-bubble stay in the EVA foam, promptly form airtight cellular type EVA foaming body structure.Link if reaching builds bridge, then after above-mentioned chemical blowing step, hotting mask inside still must maintain the condition of high temperature, the temperature when this moment, temperature was higher than foaming step, cause the bridging agent start, cause the EVA air bladder to expand again and the thickness of walls and intensity are increased.The density of the average diameter size of the bubble in the same volume of identical material and number affects EVA foam is so different hardness is to create according to the different market demands.
By above-mentioned manufacturing process, the hardness that makes the EVA foam is in 40 ~ 70 degree scopes of ASTM (American Society forTesting and Materials) D 2240 type C hardness standards, generally speaking, the hardness of EVA foam is preferable in ASTM D 2240 type C hardness standards, 58 ± 2 degree and 63 ± 2 degree scopes greatly.In the utility model preferred embodiment, be to select the EVA foam of spending about ASTM D 2240 type C hardness standards 60 ± 2 greatly for use.
Through above-mentioned bridge formation step and processing procedure, make the EVA foam quite tough and tensile, because air is sealed in cell (cell) lining, and each cell is independent separately and links mutually, as many closed pores (cellular) formula structure, this makes EVA foam solid rubber more in the past have stronger shock-absorbing power, and the thickness of EVA foam is 3 ~ 25 times of the EVA resin that do not foam, and has low-density (in the scope of 0.14 ± 0.02gm/cm3 ~ 0.28 ± 0.02gm/cm3) and lightweight characteristic.
As shown in Figure 4, golf club handle 3 of the present utility model roughly is cone shape body, during manufacturing, can adopt one of following three kinds of methods:
(1) at first should be configured as tubulose by airtight cellular type foam bottom 30, and the end of this tubular body roughly is closed and is formed with the handle head end 32 of air-vent 34, and should be configured as the cross section in the form of a ring in anti-skidding top layer 31, then again in the outer surface of this airtight cellular type foam bottom 30 and the inner surface on this anti-skidding top layer 31, according to aforementioned aggegation applying program, is example with EVA to rubber, handle two with inorganic agent earlier and intend binding face, with solid in addition curing agent and coating back (not needing to be in one's hands the outer surface of head end 32 coating solid), anti-skidding top layer 31 and these airtight cellular type foam bottom 30 aggegations of this ring-type fit into one again.
(2) should be configured as tubulose by airtight cellular type foam bottom 30, and the end of this tubular body roughly is closed and is formed with the handle head end 32 of air-vent 34, and the plates that airtight cellular type foam bottom 30 outer surfaces that will this anti-skidding top layer 31 be configured as a slice or two and tubulose cooperatively interact, then again in the inner surface on the anti-skidding top layer 31 of the outer surface of this airtight cellular type foam bottom 30 and this sheet, according to being same as aforesaid aggegation applying program, the 31 coiling coatings of anti-skidding top layer, the aggegation of this sheet are fitted in outside the airtight cellular type foam bottom 30 of tubulose.
(3) this airtight cellular type foam bottom 30 is configured as two symmetrical semicircle pipes, and anti-skidding top layer 31 is configured as the plates of two homalographics, and these two plates just can be distinguished corresponding airtight cellular type foam bottom 30 outer surfaces coating with the semicircle tubulose, and then in the inner surface on the anti-skidding top layer 31 of the outer surface of the airtight cellular type foam bottom 30 of two semicircle tubuloses and this two sheet, according to being same as aforesaid aggegation applying program, make the anti-skidding top layer 31 of two sheets be able to combine with this airtight cellular type foam bottom 30, last again the composition surface of two semicircle pipes is coated with solid respectively, makes the two be able to aggegation and fit into one.
Because on making, but airtight cellular type foam bottom 30 is made with the collocation of anti-skidding top layer 31 elasticity, so, can be in manufacture process in response to market demands, selection has the anti-skidding top layer 31 of unlike material, pattern, color and hardness, and makes golf club handle 3 of the present utility model present the outward appearance and the moulding popular, fashion of many styles.
Produced by the way handle 3 is exactly an embedded type handle 3 shown in Figure 3.Shown in Fig. 8,9, if further along this coil type handle 5 axially, to direction in contrast to handle head end 32 places, just towards the direction of handle tail end 33, carry out spiral helicine cutting with different spacings, different gradients after, just form coil type handle 5 as shown in figure 10.
Coil type handle 5 of the present utility model have the cylindrical shape upper shield 51 of a hollow and a helical coil around winding 52, the dual-side of winding 52 is to cut edge 520, then be formed with a kerf 53 at upper shield 51 and winding 52 adjoiners, cemented at otch 53 places have a stiffener 54, intensity in order to the cylindrical shape upper shield 51 that increases hollow, and prevent that otch 53 from rupturing, and then after being avoided using when mounted or for a long time, upper shield 51 breaks away from the possibility of winding 52, the material of this stiffener 54 can be the material of same-actions such as rubber or hot plastic rubber (TPR) or other, and its shape can be as Figure 10, sheet shown in 11, or ring-type as shown in figure 12.
The thickness of this coil type handle 5 is by thick attenuation, the handle varied in thickness disparity range of the end 56 that end 55 that caliber is bigger and caliber are less is between 1mm ~ 6mm, preferable in this varied in thickness with 3mm, and the weight of this coil type handle 5 and this embedded type handle 3 is in 20gm ~ 50gm scope, and approximately being that 28 ~ 32gm is preferable.
When coil type handle of the present utility model 5 is installed in golf ball bar body 4, can be with one of optional following two kinds of methods of hobby of user:
(1) as shown in figure 13; at first the predetermined installation handbar 41 in shaft 4 axially sticks two-sided tape 57; and the protective layer 570 of two-sided tape 57 torn; stay adhesion layer 571; then the upper shield 51 with coil type handle 5 is enclosed within shaft 4 ends 40; this moment, stiffener 54 was strapped in upper shield 51 with winding 52 brute forces; winding 52 is rolled in the shape of a spiral then; and then as Figure 14; shown in 15; stick in winding 52 on the adhesion layer 571 of shaft 4 around shaft 4; certainly the airtight cellular type foam bottom 30 of winding 52 is tightly to fit in adhesion layer 571; bottom 30 then is close on anti-skidding top layer 31; it should be noted that; because this coil type handle 5 is cut into by tubular type embedded type handle 3; so at winding roll film 52 during in shaft 4, the side cut 520 of winding 52 can be very natural reverts back to tubulose and abut against together, therefore be that setter or the amateurish assembler to the golf shop installs quite easily.
(2) as shown in figure 16; when coil type handle of the present utility model 5 is installed in golf ball bar body 4; also two-sided tape 57 axially can be affixed on predetermined shaft 4 terminal 40 positions that upper shield 51 is installed; and the less end 56 of the caliber of coil type handle 5; as shown in figure 17; then adopt above-mentioned mounting means again; the protective layer 570 that will stick in the two-sided tape 57 of shaft 4 ends 40 tears; stay adhesion layer 571; so that the upper shield 51 of coil type handle 5 is enclosed within shaft 4 ends 40; and then as shown in figure 18; winding 52 is reeled around shaft 4; and the protective layer 570 of the two-sided tape 57 of the end 56 that the caliber that will stick in coil type handle 5 is less tears, and stays adhesion layer 571, so that the less end 56 of the caliber of coil type handle 5 is sticked in shaft 4.
Conclude above-mentioned, because the utility model adopts airtight cellular type foam as bottom, therefore make golf club handle of the present utility model with skid resistance and toughness near rubber, and the characteristic of in light weight, the shock-absorbing of airtight cellular type foam, and following advantage:
1. not changing the closing under hand (fitting) the size prerequisite of traditional golf clubs, alleviate handle and club gross weight, and increase swing weight, and then increase the distance that swings.
2. under the prerequisite that does not influence the handle size, can provide in a big way golf club handle weight for you to choose.
3. golf club handle of the present utility model has enough tough elasticity, is put on the upper and lower strength of handle and bear, and is able to provide firm support in the swing strength of the abundant absorbing vibration of square stance of golf clubs.
4. by anti-skidding top layer, avoided golf clubs to slip out, and optional usefulness has the homogenous material of different hardness and color or makes golf club handle of the present utility model in conjunction with the formed anti-skidding top layer with all styles of of two or more different materials, makes golf club handle of the present utility model have appearance and modeling popular, fashion.
5. because coil type handle of the present utility model is formed with upper shield and winding, compared in the past, the misgivings that upper shield separates with winding have been exempted, in addition, the incision that the utility model is connected with winding at upper shield is more cemented a stiffener, the intensity of the cylindrical shape upper shield of the hollow that is increased, and prevent the otch fracture, and then after being avoided using when mounted or for a long time, upper shield breaks away from the possibility of winding.
6. because coil type handle of the present utility model is earlier upper shield to be located when mounted, and then winding roll film is in shaft, and the side cut meeting of winding is very natural reverts back to tubulose and abuts against together, therefore is that setter or the amateurish assembler to the golf shop is easy to install.
Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.