CN102099084B

CN102099084B - Badminton

Info

Publication number: CN102099084B
Application number: CN2009801277574A
Authority: CN
Inventors: 金相雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-14
Filing date: 2009-06-23
Publication date: 2013-07-10
Anticipated expiration: 2029-06-23
Also published as: WO2010008145A2; CN102099084A; JP2011527926A; KR200442049Y1; WO2010008145A3

Abstract

The present invention relates to a badminton shuttlecock which comprises a base made of cork and 10-14 feathers attached to the base with a uniform spacing. The present invention provides a shuttlecock where the angle between the upper surface of the base and the outer circumferential surface of the feathers is 75 DEG - 87 DEG, so production costs are reduced and users strike the shuttlecock conveniently and easily. Despite the reduction of feathers, the shuttlecock has the same flying distance as conventional authorized shuttlecocks and the damage rate is sharply reduced. Therefore, users can enjoy badminton.

Description

Shuttlecock

Technical field

The present invention relates to a kind of shuttlecock.

Background technology

Shuttlecock be a kind of in central authorities across net, the match of playing net with racket batting, irrelevant with right to serve, one side's score of in this match, winning, the side of (elementary 17 minutes) wins to obtain earlier 21 fens, when score 20: 20 identical (elementary 16: 16), obtains 2 minutes side triumph continuously, when score 29: 29 identical (elementary 24: 24), the arrive 30 fens earlier side triumph of (elementary 25 minutes).

Badminton game needs 2 at least, and equipment only needs racket and shuttlecock to get final product, and is very simple, except professional player, is the popular motion of also liking therefore.

Regular badminton game, shuttlecock is made of feather, can be bad by folding easily when therefore being subjected to impacting, and the influence of wind-engaging is very big, therefore in order to keep the flight of shuttlecock, play in the covered court of blocking external ventilation, the floor constitutes by being difficult for sliding material, rules to carry out singles or doubles on the floor.Described shuttlecock field wire, during singles, its width is 5.18m, and during doubles, its width is 6.1m, and the length between the both sides service end line is 13.4m; The net of central portion 1.524m, the 1.55m of goalpost portion is set at the center, place; Surpassing apart from the service line of 6.70 meters on net during singles is out-of-bounds, and surpassing apart from the service line of 5.94 meters on net during doubles is out-of-bounds.

And racket to weight, shape and material without limits.Have pure timber dabber that make, that have by iron and steel make, have whole by the iron and steel making etc.In recent years, use carbon or fibrous racket more.In the line of racket, the elastic force of sheep is best, and durability is strong, and special player nearly all is with this kind racket.But, when exercise, can use polyamide or true silk products.

Shuttlecock is feather to be fixed in the ball holder that is made of hemispherical cork form, its weight is 4.5-5.5g, the diameter of cork is 2.5-2.8cm, the quantity of feather is 16 to follow, the feather end should be 6.4-7.0cm to the length of ball holder upper surface, the diameter of feather end is 58-68mm, and maximum speed is 320km/h, and the racer should drop between the 53-99cm of service line inboard after place one end is with underhand stroke.

Shuttlecock with said structure forms the shape that feather launches.When overhand stroke (overhand stroke), feather dwindles and the air drag step-down, but air drag becomes big when underhand stroke (underhand stroke), because of air drag, spheroid vertically falls near service line, surpasses this zone and then is considered as bad shot, can not score.

In addition, the feather for described shuttlecock has the aquatic bird ball that uses the aquatic bird hair and the land bird ball that uses chicken feather.But the production of aquatic bird ball recently can not be satisfied the demand, therefore the land bird balls that use more.In addition, utilize the shuttlecock of described feather to have price problem and roll over bad problem easily, the shuttlecock that therefore is used for training or recreation adopts polyamide-based and plastics ball.But this type of shuttlecock exists and does not meet international standard, and durability can't compare with the aquatic bird ball, and touch is bad problem also.

The existing shuttlecock that is made of feather, as shown in Figures 1 and 2, the outer peripheral face of the upper surface of ball holder 10 and feather 20 is about 65 °-75 °.Be used for the shuttlecock of international tournament, as mentioned above, its diameter is 2.5-2.8cm, and largest circumference is about 8.8cm.Fixedly during feather, the part about 1.5mm is with the feather that fixes to the inside from the end, and fixedly the circumference of the part of feather is about 7.85cm.With its timesharing such as 16 grade, the space that ball holder upper surface is used for a feather is about 0.5cm, therefore, between feather and the feather, as shown in Figure 3, has short space.But the feather end is positioned at the position from ball holder end to inner distance 5mm, and the diameter of feather is 2-3mm, therefore, the circumference of the end part of living in of feather is 4.4cm, one by one the occupied about 2.7mm in space of feather, therefore as shown in Figure 4, the end of feather contacts each other or is overlapping.As a result, the end of feather is divided into inside and outside two parts with cork, thereby the applying of cork and feather is not firm, the problem that exists feather to separate with the holder of cork ball.

Shuttlecock as described, the top end diameter of feather part are about about 3 times of the upper surface diameters of ball holder, and therefore, as shown in Figure 5, with racket 30 square stances, feather is hit by racket than ball holder is first, so feather is very big by the ratio of breakage.

So, existing shuttlecock is because the feather problem that holder separates with ball often takes place, and the phenomenon of feather and racket impact failure frequently takes place in its structure.Owing to use feather, so the supply of material and expense become problem, and also can cause the elderly's ancon and joint etc. are brought the problem of impact because of its weight etc.

Because 16 feathers have slightly about 70 ° the angle of standing up (angle between ball holder and the feather), it is big that aloft air drag becomes, therefore in order to have sufficient flying distance, square stance should apply energetically, the elderly is in order to play badminton joyously, especially for shuttlecock being hit at a distance, should apply hard hit, this can bring burden to joint or bone etc.

And suffered air drag is big, therefore, when outdoor playing, shuttlecock takes place also can't interruption or the boring problem of match change often take place thus to the problem of required direction and distance flight under gentle breeze.

Summary of the invention

For solving the problem of described existing shuttlecock, the objective of the invention is to, reduce the quantity of feather, even reduce producing cost, improve the influence that touch minimizing feather also has the flying distance identical with existing shuttlecock of generally acknowledging, reduces institute's wind-engaging, lower breakage rate significantly, be subjected to popular liking.

For reaching described purpose, shuttlecock of the present invention is characterized in that: be made of the holder of cork ball and the 10-14 root feather that is fixed in the ball holder with predetermined space, have 75 °-87 ° angle between the upper surface of described ball holder and the outer peripheral face of feather.

According to the present invention constituted as described, owing to reduced the quantity of feather, therefore have the effect that lowers whole manufacturing expense, and shuttlecock compares with the shuttlecock of generally acknowledging and lightens, be fit to the elderly and use, improve and use satisfaction.

Because the angle of standing up of feather roughly is similar to vertically, awing the resistance of suffered air and wind is less, therefore, when hitting, even lack than the shuttlecock number of generally acknowledging, also less because of suffered air drag, it is more remote to fly, its flying distance is similar with the shuttlecock of generally acknowledging, the diameter of feather part has minimizing as compared with the past, and the weight center concentrates in the ball holder, therefore at square stance, because the ball restitope is put the direction of motion at shuttlecock, therefore, in the process that the other side receives, than existing shuttlecock of generally acknowledging, racket lowers significantly with the ratio that feather directly contacts, and reduces the breakage rate of shuttlecock.Therefore, can increase service life.

And because having reduced the quantity of shuttlecock, the spacing between the feather in the ball holder broadens, thereby not contacting mutually, the feather end has at interval, so, contacted phenomenon between the feather can not take place as in the past.Because feather is close to mutually with cork, the power of being close between feather and the ball holder becomes big, reduces the separation rate of feather when using significantly.

Description of drawings

Fig. 1 is the perspective view of existing shuttlecock.

Fig. 2 is the side cross-sectional view of existing shuttlecock.

Fig. 3 is the upper end sectional view of ball holder.

Fig. 4 is the bottom feather end cross-section of ball holder.

Fig. 5 is the figure of the contact angle of the expression flight angle of shuttlecock and shuttlecock and racket.

Fig. 6 is the side cross-sectional view according to shuttlecock of the present invention.

Fig. 7 is the upper end sectional view of ball holder.

Fig. 8 is the bottom feather end cross-section of ball holder.

Fig. 9 is the figure of the contact angle of the expression flight angle of shuttlecock and shuttlecock and racket.

Among the figure:

100: ball holder, 200: feather

The specific embodiment

Below, further describe embodiments of the invention with reference to accompanying drawing.

Fig. 6 is the side cross-sectional view according to shuttlecock of the present invention, and Fig. 7 is the upper end sectional view of ball holder, and Fig. 8 is the sectional view of the ball hair end, bottom of ball holder, and Fig. 9 is the figure of the contact angle of the flight angle of expression ball holder and shuttlecock and racket.

According to shuttlecock of the present invention, shown in Fig. 6 to 8, constitute by the cork ball holder 100 of the shuttlecock of generally acknowledging that is used in upper surface diameter 2.5-2.8cm with 12 feathers 200 that predetermined space is fixed on described ball holder 100, have 80 ° of angles between the outer peripheral face of the upper surface of described ball holder 100 and feather 200.

According to the shuttlecock of formation like this, the diameter of ball holder is 2.5-2.8cm, and largest circumference is about 8.8cm.Because of the angle of fixing feather greater than existing shuttlecock.So, the fixing feather of 3mm to the inside from the end of ball holder.Therefore, fixedly the circumference of the part of feather is to the maximum about 6.91cm.With its 12 five equilibrium, the space that is used for a feather at the upper surface of ball holder is about 0.5759cm.Have equal spacing as shown in Figure 7 between the feather, the diameter of feather is about 0.3cm.Consider feather to fix near the right angle, as shown in Figure 8, the end of feather does not contact mutually and is separated from each other.

Therefore, the feather part that is fixed in the ball holder all is close to cork, so, between cork and the feather to be close to power good, the separation of less generation feather can be felt brisk sensation when impacting cork.

As shown in Figure 9, because the angle of standing up of feather 200 is similar to the right angle, therefore, the top side diameter of feather has minimizing significantly compared with existing shuttlecock, and the weight center concentrates in the ball holder.So, with racket 300 square stances, can correctly hit in the ball holder.At square stance, owing to the direction of motion is pointed in the ball holder, the racket that therefore reduces the opposite significantly hits feather earlier rather than the frequency of the holder of hitting a ball earlier, therefore has the effect of the breakage rate minimizing of shuttlecock.

And, because the maximum gauge of shuttlecock is less than existing shuttlecock, the weight center concentrates on ball holding part, therefore, reduce with the contact area of air, and the air drag of attenuating square stance, so, be difficult for the influence of wind-engaging, shuttlecock is flown at a distance, not only easily batting but also also less in the influence of outdoor wind-engaging, thereby, take place maybe can't have problems such as sufficient flying distance because wind etc. influence interruption can not resembling in the past.Therefore, even also can enjoy motion out of doors.

Owing to reduced the feather number, shuttlecock has also lightened, so, when using, the elderly lowers the suffered impact of square stance, and can be to the healthy burden of bringing of the elderly.Because the weight of lightweight, the angle of standing up that is similar to the right angle, ball holder is therefore concentrated and lowered air drag, the spot speed of ball accelerates more, therefore, want with shuttlecock beat farther the time, compared with the past, can realize with less strength, can not bring burden to racer's health, and its spot speed accelerates, therefore, and in order to hit the other side's shuttlecock, notice need continue to concentrate on the shuttlecock, increased the anxiety sense of match, match is carried out fast, and badminton game has accelerated.

Claims

1. shuttlecock, it is characterized in that: it is made of the ball holder of cork and the 10-14 root feather that is fixed in the described ball holder with predetermined space; Angle between the upper surface of ball holder and the outer peripheral face of feather is 75 °-87 °.