Cue forelimbTechnical field
The utility model is the structure for relating to cue (Billiard Cue), especially with regard to one kind mainly with fiberCue forelimb (Shaft) made of reinforced plastic composite material.
Background technique
The cue generally used at present is usually by connecing (Butt) group after a forelimb (Shaft) and one, and many institutesKnown, commercially available cue forelimb is largely made with natural wood materials, these wooden club forelimbs are curved due to being easy dampnessSong, lines do not have one-way, Density Distribution is uneven and hardness can not adjust etc. factor, so that reducing useThe batting precision and stability of person.Though useful fibrous composite replaces wood materials, such as the U.S. the 4th now,816, No. 203 Patent Cases and the Patent Case of the U.S. the 6th, 736,733 are revealed, but this etc. with fibrous composite cueForelimb for the lines of wood materials does not have one-way, density other than solving wood materials and being easy the curved missing of dampnessIt is unevenly distributed and hardness can not adjust etc. lacks and have no improvement.
Utility model content
The main purpose of the utility model is i.e. before providing one kind with cue made of fiber reinforcement plastic composite materialThe missings such as limb, the lines that can improve wood materials do not have one-way, and Density Distribution is uneven and hardness can not adjust.
The another object of the utility model is then before providing one kind with cue made of fiber reinforcement plastic composite materialLimb can increase the stability of square stance.
A further object of the utility model provide it is a kind of with cue forelimb made of fiber reinforcement plastic composite material,Its precision that can increase square stance.
Therefore, in order to reach purpose above-mentioned, the cue forelimb of the utility model includes a tubular shell, Yi JiyiCore.The shell has a first end, a second end, a predetermined wall thickness and one extend to the second end from the first end lengthAxis.The shell more and includes at least and has a major shell and the subshell layer that mutually splices with the major shell, the major shell and the pairThe needs of hardness needed for the visual forelimb of the number of plies of shell, weight and wall thickness and it is different.The major shell and the subshell layerBe made of fiber reinforcement plastic material and along the shell circumferentially, which includes the first multiple fibre bundles,Respectively the trend of first fibre bundle is parallel to the long axis of the shell.The subshell layer equally includes the second multiple fibre bundle, respectivelyLong axis of the trend of second fibre bundle perpendicular to the shell.The core is made with foamed plastic material, and is arranged in the shellIt is internal.The cue forelimb of the utility model is parallel to the shell due to the trend of each fibre bundle of its shell major shell as a result,Long axis, therefore its lines that can improve wood materials does not have one-way and the non-uniform missing of Density Distribution.Furthermore due toThe trend of each dimension dimension beam and the long axis of the shell of the shell subshell layer intersect vertically, and adjacent with the major shell, thereforeIt can be to avoid the flowing displacement of the major shell fibre bundle in manufacturing process.In addition, since the shell is filled with made of foamedCore, therefore the vibration of square stance can be absorbed and reduce noise caused by square stance.
Preferably, the utility model cue forelimb shell above-mentioned may include have one from tubular shell first end toward itsThe hollow section of two end definite length extendeds.Therefore, can be with the weight and hardness at moderate reduction forelimb batting end, and therefore increaseThe precision of square stance.
Preferably, the length of the hollow section is between the 10% to 30% of the tubular shell length.
Preferably, the utility model cue forelimb shell above-mentioned can have a flat part and one to push away and pull out section, so may be usedIncrease the stability of square stance.
Preferably, the utility model cue forelimb tubular shell above-mentioned has one to be arranged in outermost major shell,In other words, the outermost each fibre bundle trend of the tubular shell is parallel to the long axis of the shell, therefore can increase user and transport barThe smooth degree of square stance.
In addition, tubular shell above-mentioned includes one in a preferred embodiment of the utility model cue forelimbOne major shell, the second major shell, third major shell and the 4th major shell and one first subshell layer, the second subshell layer andThird subshell layer.First major shell is arranged in the innermost layer of the shell, and the first subshell layer arrangement is in first major shellOuter surface, second major shell are arranged in the outer surface of the first subshell layer, and the second subshell layer arrangement is in second major shellOuter surface, which is arranged in the outer surface of the second subshell layer, and the third subshell layer arrangement is in the third main casingThe outer surface of layer, the 4th major shell are arranged in the outer surface of the third subshell layer.
Preferably, the length of the flat segments is between the 40% to 55% of the tubular shell length.
Preferably, the wall thickness of the tubular shell is about between 0.85mm-1.45mm.
Preferably, which is carbon fiber reinforcement epoxide resin material.
Preferably, the outer diameter of the tubular shell first end is about between 9mm between 13mm.
Preferably, the outer diameter of the tubular shell second end is about between 21mm between 22mm.
Detailed description of the invention
Show below with a preferred embodiment and attached drawing cooperated to be described further the utility model:
Fig. 1 is the side view of a complete cue, and the forelimb of the cue is a preferred embodiment of the utility model；
Fig. 2 is the cross-sectional view along Fig. 1 on the direction 2-2；
Fig. 3 is the cross-sectional view along Fig. 2 on the direction 3-3；
Fig. 4 is the cross-sectional view along Fig. 2 on the direction 4-4；
Fig. 5 is the cross-sectional view along Fig. 2 on the direction 5-5；And
Fig. 6 is the partial cross perspective view of cue forelimb shown in Fig. 1.
Specific embodiment
It is wherein a complete cue (Billiard Cue), this billiard ball shown in cue 10 referring initially to Fig. 1For bar 10 by (Butt) 14 is composed after a forelimb (shaft) 12 and one, the fixed connection mode of the two is the prior art, Yu BenEmbodiment, forelimb 12 by one be spirally connected component 16 be screwed together afterwards 14, in addition, the top of forelimb 12 is connected with a lasso18 and blow ball pad 20, after 14 end is connected with a pad 22.
Then, Fig. 2 to Fig. 6 is please referred to, forelimb 12 has a tubular shell 24 and a core 26.Tubular shell 24 hasOne first end 28, a second end 30 and one extend to second end 30 from first end 28 long axis X-X '.
In general, the length of tubular shell 24 is about between 730mm between 790mm, the outer diameter of first end 28 about between9mm is between 13mm, and the outer diameter of second end 30 is about between 21mm between 22mm.In the present embodiment, the length of tubular shell 22For 770mm, the outer diameter of first end 26 is 12.2mm, the outer diameter 21.3mm of second end 28.
As shown in Fig. 2, the front end of forelimb 12 has a sky for extending to line segment a-a since 24 first end 28 of tubular shellHeart section 32, the hollow section 32 can be used to lower the hardness and weight of 12 front end of forelimb, can be in forelimb 12 as a result, in square stanceFront end generates compensated bend, and to reduce when mother bulb center is hit in hitting point deviation, the progress path of the mother bulb deviates billiard ballThe situation in bar axle center.The length of hollow section 32 is generally between the 10% to 30% of 24 length of tubular shell, in this implementationThe length of example hollow section 32 is about 160mm.
In addition, again as shown in Fig. 2, tubular shell 24 can be separated into a flat segments 242 and one by boundary line of another line segment b-bIt pushes away and pulls out section 244.In other words, flat segments 242 extend to line segment b-b, flat segments 242 since the first end 28 of tubular shell 24There is substantially the same outer diameter from its starting point to end.It pushes away and pulls out the outer b-b of the line segment without leave of section 244 and start to extend to from managingThe second end 30 of shape shell 24, push away pull out section 244 outer its starting point without leave start toward its end it is cumulative.This flat segments 242 can be withAllowing user, smoothly in other words stable fortune bar can increase the stability of batting.In general, the length of this flat segments 242 canBetween the 40% to 55% of 24 length of tubular shell, in the present embodiment, the length of flat segments 242 is about 394mm, and outer diameter is aboutFor 12.2mm.
The tubular shell 24 of the utility model tubular layer shell made of multiple fiber reinforcement plastic materials is stacked to be formed, thisFiber reinforcement plastic material can be the carbon fibre material of pre- epoxy resin dipping.In general, the wall thickness of tubular shell 24 about betweenBetween 0.85mm-1.45mm, in the present embodiment, the wall thickness of tubular shell 24 is 0.9mm.As shown in fig. 6, tubular shell 24 is by fourA the first major shell of fiber reinforcement plastic 40, the second major shell 42, third major shell 44, the 4th major shell 46 and three fibersThe first subshell of reinforced plastic layer 50, the second subshell layer 52, third subshell layer 54 is composed, and is somebody's turn to do wherein the first major shell 40 is used asThe innermost layer of tubular shell 24, outermost layer of the 4th major shell 46 as the tubular shell 24.In more detail, first subshellLayer 50 is arranged in the outer surface of first major shell 40, which is arranged in the outer surface of the first subshell layer 50,The second subshell layer 52 is arranged in the outer surface of second major shell 42, which is arranged in the second subshell layer 52Outer surface, which is arranged in the outer surface of the third major shell 44, the 4th major shell 46 be arranged in thisThe outer surface of three subshell layers 54.First major shell 40, the second major shell 42, third major shell 44, the 4th major shell 46 all haveFirst fibre bundle 402 of multiple single trends of tool, the first fibre bundle 422, the first fibre bundle 442, the first fibre bundle 462 respectively shouldThe trend of first fibre bundle 402, the first fibre bundle 422, the first fibre bundle 442, the first fibre bundle 462 is parallel to tubular shell24 long axis X-X ', thus, it is possible to the transmitting for keeping the strength of batting unidirectional.First subshell layer 50, the second subshell layer 52, theThree subshell layers 54 all have the second fibre bundles 502 of the single trends of multiple tools, the second fibre bundle 522, the second fibre bundle 542, respectivelySecond fibre bundle 502, the second fibre bundle 522, the trend of the second fibre bundle 542 and the vertical phase of the long axis X-X ' of tubular shell 24It hands over.As a result, in the forming process of pressurized, heated, the first subshell layer 50, the second subshell layer 52, third subshell layer 54 can be used to press downMake the first major shell 40, the second major shell 42, third major shell 44, the flowing displacement of each fibre bundle of the 4th major shell 46.
It is extended to inside the shell 24 of 24 second end 30 of shell in addition, core 26 is filled in since the line segment a-a, Yu BenEmbodiment, core 26 are made of with PU foamed material, thus, it is possible to absorb the vibration of square stance and reduce produced by square stanceNoise.