Sport racket
Technical field
The present invention relates to a kind of sport racket, specifically, it relates to a kind of sport racket that strengthens anti-twist rigidity.
Technical background
Sport racket, such as the squash racket, racket, tennis racket, short handle squash racket etc., generally all manufacture and design as far as possible for lightweight intensity hard.Lightweight racket makes the user can brandish quickly racket, thereby speed was faster when racket head impacted ball or shuttlecock playing, produces larger striking force.Improve the rigidity of racquet frame, the strength of can guaranteeing more to swing the bat is transferred on ball or the shuttlecock playing, thereby increases striking force, has also increased the accuracy of racket batting simultaneously, this be because by with the collision of ball or shuttlecock playing, the front of racket can keep vertical with direction of stroke.
Shown in Figure 1 is the profile of a traditional sport racket, this routine usefulness be tennis racket.As shown in Figure 1, tennis racket comprises the bat throat portion 14 of 10, one handle covers 12 of a handle portion and connecting handle part 10 and racket head 16.Operation is grommet bands 18 round the main part of 16 racket head peripheries, and grommet band 18 comprises a plurality of grommets hole 20, can wind up by these hole rackets.Handle portion 10 is clapped throat portion 14 and racket head part 16 and is arranged in same plane, and defines the plane of racquet frame.The plane of racquet frame is substantially perpendicular to the direction of stroke plane.
Figure 2 shows that the front elevation of the conventional motion racket of Fig. 1.From Fig. 2 more details we can see that clapping throat portion is the bat larynx of an opening, clap throat's parts 22 by two and extend from a common joint portion 24 and form.Clap throat's part and extend obliquely from common joint portion 24, and take on 26 parts in the bat of racket and be connected to racket head frame part 16.Two of throat part 28 bridge joints are clapped throat's part 22, and finish the racket head structure.As shown in Figure 2, throat part 28 tilts to extend from clapping throat portion 22.Although do not show that in Fig. 2 in use, the zone 30 of racket will comprise netting twine.In addition, on handle portion 10 and handle cover 12, usually can be wound with a take-up strap (not shown).
The racket of Fig. 1 and 2 generally is to be made by graphite or other light composite materials, and one-body molded.Although it is light to make the used material weight of racket, intensity is high, and the conventional racket of Fig. 1 and 2 is impacting under the pressure of tennis and can be distorted.This may cause harmful effect to strength and the control performance of racket batting.
Therefore be necessary to provide a kind of racket that improves strength and control performance, and be necessary to provide a kind of sport racket that improves anti-twist rigidity.
Summary of the invention
The specific embodiment of the invention is intended to solve at least to a certain extent more above-mentioned problems.
According to an aspect of the present invention, provide a kind of sport racket, described racket comprises: extended integrated the first and second frame structural members tilt from a common joint portion; The integrated support that is formed by the first and second frame parts, this support comprises first holder part and second holder part, the first holder part forms claps wall, and this claps wall first's extension along the first and second frame parts from common joint portion.The second holder part forms claps wall, this claps wall, and the second portion along the first and second frame parts extends from common joint portion, the second portion of the first of the parts of the first and second frames and the first and second frame parts wherein, the opposite outer surfaces of the first and second frame parts, and wherein the first and second holder part define the depression of frame.
By provide support between the frame parts, the anti-twist rigidity of racket is improved.After this anti-twist rigidity improves, can make racquet frame in the objects such as impact bead, prevent distortion, and can improve strength and the control performance of racket.In other words, the effect of support is exactly to improve the anti-twist rigidity of racket on the racket frame plane, i.e. the anti-twist rigidity on the plane vertical with the direction of stroke cardinal principle.
Effect along the depression of holder part will be the anti-twist rigidity that improves racket.In addition, although cradle portion branch increases the weight of racket frame, the depression on the framework can be offset this additional weight.
Can provide one to clap ridge on the surface of support.Surface in the first holder part can provide the first count ridge, can provide the second count ridge on the second holder part surface.By at the bat ridge that rack surface is provided along carriage center, the anti-twist rigidity of support can strengthen, and its direction is vertical with the plane of the first and second frame parts, namely with the plane of direction of stroke almost parallel.
The parts of the first and second frames can define the bat throat portion of sport racket, and the racket support can be positioned at the bat throat portion.
The parts of the first and second frames can define the bat shoulder portion of sport racket, and the racket support can be positioned at the bat shoulder portion.
The parts of the first and second frames can define the bat throat portion of sport racket, and sport racket can further comprise the third shot members of frame of bridge joint the first and second frame parts, clap shoulder portion to define first and second.
Sport racket may further include the second support that is positioned at first support of clapping throat portion and is positioned at first or second bat shoulder portion.
Sport racket may further include the first support that is positioned at the first count shoulder portion, and is positioned at the second support of second count shoulder portion.
The frame parts can be made by graphite.Also available composite or metal material are made in addition.
Sport racket can be tennis racket.
Description of drawings
Below will with reference to appended drawing example of the present invention be described by example, therein,
Figure 1 shows that the cross section view of a prior art sport racket;
Figure 2 shows that the front view of a prior art sport racket;
Figure 3 shows that the cross section view of the sport racket of example according to the present invention;
Figure 4 shows that the front view of the sport racket of example according to the present invention;
Figure 5 shows that the zoomed-in view of the bat throat portion of Fig. 3;
Figure 6 shows that the zoomed-in view of the bat throat portion of Fig. 4;
Figure 7 shows that the profile of A-A part among Fig. 4;
Figure 8 shows that the perspective view of the sport racket of example according to the present invention, wherein cut away one section frame to show the frame section;
Figure 9 shows that the perspective view of the sport racket of example according to the present invention, wherein cut away one section frame to show the frame section; And,
Figure 10 shows that the sport racket according to another example of the present invention.
The specific embodiment
Figure 3 shows that the perspective view of the sport racket of example according to the present invention.As shown in Figure 3, described racket is tennis racket.This tennis racket comprises a handle portion and 102 and handle cover 104.In use, will twine a handle band (not shown) at handle portion 102 and handle cover 104.On handle portion 102, be connected with racket head part 106 by clapping throat portion 108.Handle portion 102 is clapped throat portion 108 and racket head part 106 is in same plane with frame.
The main part of racket head part 106 peripheries of racket is with a circle grommet groove 107.On the framework of grommet band through wires hole is arranged, the grommet groove is set to hold the grommet band, can give racket threading by it.
Figure 4 shows that the front elevation of the sport racket of Fig. 3.Fig. 4 clearly shows the structure of racket frame.As shown in Figure 4, clap throat portion and comprise two bat throat part 110, clap throat's part and tilt to extend from a common joint portion 112, this common joint portion is connected with handle portion 102.Bat throat part 110 is connected with the racket head part in bat shoulder portion 114 connections of racket., throat part 116 is extended between throat's part 110 and is connected with bat throat part 110 clapping shoulder portion 114 places clapping.Clap shoulder portion 114 at each, a corresponding bat throat part 110 and a throat part 116 tilt to extend from a common joint portion.
There is a support at bat throat portion 108 places at the racket of Fig. 3 and Fig. 4, this support and two clap throat's parts 110 and a coupling part 112 one-body molded.
Figure 5 shows that the zoomed-in view of the bat throat portion of Fig. 3.Figure 6 shows that Fig. 4 claps the zoomed-in view of throat portion.As shown in Figure 5 and Figure 6, clap throat portion and comprise the support that is formed by two holder part 120.This support and the first and second frame parts 110 are one-body molded, form to clap wall 120, and this claps wall from common joint portion 112, extend certain-length along each at least a portion of clapping throat's part 110.Holder part 120 partly is in same plane with the racket head of racket frame.The structure of holder part 120 makes them can increase the anti-twist rigidity of clapping throat portion, claps like this throat portion and is reduced to minimum level with respect to the distortion on racket head plane.
As illustrated in Figures 5 and 6, holder part is along effective bat wall of clapping 110 extensions of throat's part from 112 beginnings of common joint portion.Holder part 120 is extended at the racket in-plane along the outer surface of clapping throat portion 110, and they can form the outer surface of racket like this.In other words, clap wall and extend along clapping the opposite outer surface of throat's part, cross over the space of clapping between throat's part end section.
Holder part 120 forms a depression 122 between holder part 120.Depression 122 between the holder part can strengthen the anti-twist rigidity of racket in conjunction with support itself.And 122 weight that can reduce racket that cave in.
Fig. 5 and 6 shows that also the ridge 124 of bat is arranged on the surface of each holder part.Each bat ridge is a bossing on bracket component 120 surfaces.Clapping ridge 124 extends until common joint portion 112 along bracket component 120.Clapping ridge 124 can increase racket in the anti-twist rigidity of the vertical direction on frame plane, namely with the direction of direction of stroke almost parallel.
Although show among the figure, each cradle portion branch has one to clap ridge 124, should be appreciated that, can only provide one to clap ridge in holder part only.Simultaneously, clearly also can provide a plurality of bat ridges in each holder part.
Figure 7 shows that the profile of A-A part among Fig. 4.Fig. 7 clearly illustrates that holder part 120 has formed depression 122.Fig. 7 also demonstrates the up and down up and down bat ridge 124 of holder part 120.
Although should be pointed out that among the figure to show, support comprises the depression that holder part and bending sections define, and holder part can be angled, as in the tangent plane part.
Figure 8 shows that the perspective view of the sport racket of Fig. 3 and 4, wherein cut off the part frame with demonstration frame section, and different at the support visual angle of racket throat portion.The part identical with Fig. 3 to 7 has identical numbering.
As shown in Figure 8, the framework of racket is a tubular structure.In an example, frame is one-body molded the producing of a plurality of frame parts by the graphite quality.
Figure 9 shows that the perspective view of the sport racket of example according to the present invention, wherein cut away one section frame to show the frame section.The part identical with Fig. 3 to 8 has identical numbering.
Except These characteristics, racket shown in Figure 9 also has extra strengthening part at the bat throat part of clapping shoulder portion and racket.Extra strengthening part comprises the depression 140 of a lengthening of the outer surface of clapping throat's part, and this surface is to clap the surface that throat's part extends to the racket frame periphery always.Depression 140 extends at least claps throat's part certain-length, and along the grommet groove 107 of clapping shoulder 114 and extend to racket frame racket head 106, the grommet tape is positioned at wherein.In other words, depression 140 is equivalent to the extension of grommet groove 107 in the framework.The profile of depression 140 is complied with the curve of throat part at least in part.In other words, as shown in Figure 9, depression 140 partly is deeper than at throat and is clapping shoulder portion 116 corresponding parts.Depression 140 not only can be strengthened the bat shoulder portion of racket, because depression 140 is complied with the curve of throat part at least in part, can also carry out threading at recess, this moment, netting twine was stressed less, and this is because grommet herein can pass through frame part with respect to the threading direction more linearly in this part.This can reduce the stressed of netting twine and correspondingly increase the netting twine life-span.
Figure 10 shows that the sport racket according to another example of the present invention.In Figure 10, except clapping the support 202 of throat portion, for example shown in Fig. 3 and 4, also have support 204 and 206 at the bat shoulder portion of racket.Be similar to the support of previously described bat throat portion at the support of the bat shoulder portion of racket.In other words, comprise the holder part (bat wall) of extending from 208 beginnings of common joint portion along throat part 210 and clap throat portion 212 at the support of clapping shoulder portion.
In Figure 10, except using extra brackets at the support of clapping throat portion.In addition, when the bat throat portion does not have support, also can use support at the bat shoulder portion.In addition, intelligible such as the insider, can clap throat portion and support of a bat shoulder portion use.
Although a support has two holder part in description, be to be understood that a support can only use a holder part.In addition, although the holder part shown in the figure is extended along the outer surface (along top and the bottom of Fig. 3) of frame parts, the insider is appreciated that and can uses parts in different positions along frame parts, for example along the core of each frame part.
Although the above has introduced the invention relevant with tennis racket, the insider is appreciated that the present invention is used on any sport racket.It is specially adapted to shuttlecock, wall ball racket, and badminton racket.
Although foregoing description generally is the racket that graphite is made, be to be understood that the present invention is equally applicable to by any composite, metal or the wooden racket of making.
The insider who is familiar with association area should be appreciated that the characteristics described in the example can exchange and/or combination with the characteristics of another example.