CN2920321Y

CN2920321Y - Improvement structure of racket frame

Info

Publication number: CN2920321Y
Application number: CNU2006201207452U
Authority: CN
Inventors: 蔡松宫
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-26
Filing date: 2006-06-26
Publication date: 2007-07-11
Anticipated expiration: 2016-06-26

Abstract

The utility model relates to an improved structure of racket frame which comprises a frame body which has an annular body, some through holes for thread and a certain number of protruding parts; wherein the through holes are respectively positioned in the annular body while the axial orifices of each through hole match with the inside face and the outside face of the body, the protruding parts are respectively provided on the outside face of the body and between two neighboring through holes. The protruding parts are characterized in that each protruding parts have two cambered surfaces for each and are provided on the outside face of the body to be aligned in sequence from one through to the other through hole. So the utility model can greatly improve the elasticity of the racket when hitting a ball, and can prolong the service life of the thread.

Description

The improvement structure of frame of racket

Technical field

The utility model relates to racket structure, especially constructs about a kind of improvement of frame of racket.

Background technology

For making the racket netting twine be had the comparatively dispersibility of extensive region at square stance, so that the netting twine of striking point on the ball was able to power is disperseed to pass to netting twine on every side in stressed moment, use service life that prolongs netting twine and the elasticity that improves batting, concrete formation with is as shown in Figure 1 promptly arranged in the located by prior art, change frame of racket 1 avris extends the zone corresponding to netting twine position 2 shapes, even also frame of racket 1 avris is arch corresponding to the shape at 3 positions 2, adjacent lines hole that stretch through for netting twine, and when making netting twine 4 be extended through two line holes 3, it extends the wider space kenel of amplexiforming on this avris position 2, seen through the arch at this avris position 2 and formed the suitable state of the cunning that allows slip, and be different from the conventional art that netting twine is arranged in two line holes and when being tightened with these, netting twine extends between two line holes in the vertical topography of frame avris and is difficult to allow netting twine that the state of some degree slips is arranged, advance with design by these arches, and make racket be able to the suffered power of striking point on the ball netting twine at square stance, see through the slip extension of striking point on the ball week side netting twine, and suffered power is distributed to equably in the netting twine in certain zone, prolong netting twine service life and increase the flexible effect of batting thereby reach.

Though on take off the effect that located by prior art can acquire a certain degree, only the creator discovers, after the technology contents to these located by prior art imposes specific improved procedure, can make racket on the service life of elasticity of batting and netting twine, have the effect better and manifest than this located by prior art.

Summary of the invention

The utility model purpose is, a kind of improvement structure of frame of racket is provided, the service life that it can significantly promote the elasticity of racket batting and prolong netting twine.

Therefore, for reaching above-mentioned purpose, the utility model provides a kind of improvement structure of frame of racket, includes:

One frame body has an annular body portion, and some lines hole lays respectively in this body portion, and axially the aperture, two ends is corresponding separately on inside and outside two side ring surfaces of this body portion;

Some arch lay respectively on this body portion outside anchor ring between adjacent two line holes;

It is characterized in that:

Respectively this arch has a plurality of cambered surfaces respectively, and is convexly equipped with respectively on the anchor ring of the outside of this body portion, and arranges in regular turn between a line hole to another line hole.

Wherein, respectively this cambered surface extends axially along the center of curvature of self respectively.

Wherein, respectively this cambered surface interconnects with an adjacent side to each other.

The utility model beneficial effect: by said structure, the effect that the improvement of the utility model frame of racket structure can be reached promptly has at least as described below:

One, when netting twine wears operation, because netting twine and respectively the contact area between this arch significantly reduce, therefore when tightening netting twine, can make the suffered tension active force of netting twine ensemble average ground dispersion that has worn, avoid local stress excessive service life that influences netting twine.

Two, at square stance; can make the suffered active force of striking point on the ball; see through the low friction shaped design that this arch easily makes netting twine slide; and the transmission that can exert all one's strength reaches wider zone than located by prior art, is not subjected to the anxiety that extention effect power has damage because of the part and reach batting elasticity and the protection netting twine better than located by prior art.

Three, by the low friction shape that this arch provided, netting twine is slided easily, reach unanimity and can promptly adjust the whole tightness of netting twine, keep the preferable user mode of racket.

Below, lift the utility model four preferred embodiments now and cooperate diagram to be described further.

Description of drawings

Fig. 1: the cutaway view that is located by prior art.

Fig. 2: the stereo appearance figure that is the utility model first preferred embodiment.

Fig. 3: the cutaway view that is the utility model first preferred embodiment.

Fig. 4: the side view that is the utility model first preferred embodiment.

Fig. 5: the cutaway view that is the utility model second preferred embodiment.

Fig. 6: the side view that is the utility model second preferred embodiment.

Fig. 7: the cutaway view that is the utility model the 3rd preferred embodiment.

Fig. 8: the side view that is the utility model the 3rd preferred embodiment.

Fig. 9: the cutaway view that is the utility model the 4th preferred embodiment.

The specific embodiment

At first, see also Fig. 2 to shown in Figure 4, the improvement of the frame of racket that provides structure 10 in the utility model first preferred embodiment, its arch 30 with some tool specific modality is located at institute's constitutor on a frame body 20 corresponding positions respectively, specifically:

This frame body 20 has the body portion 21 of an annular, use for wearing the racket netting twine and bat, 22 of one shaft-like levers are fixed in this body portion 21 with bar axle one end, inside and outside two side ring surfaces of this body portion 21 are run through in some nails hole 23 respectively, one has the bar nail 24 of several tubulose tailor's tack bodies 241 so that the coaxial respectively mode that is arranged in the corresponding nail hole 23 of this tailor's tack body 241 respectively, be sheathed on the outside anchor ring of this body portion 21, and make the formed line of these tailor's tack body 241 hollow pores hole 242 axial both ends opens respectively be able to corresponding respectively inside and outside two side ring surfaces that are positioned at this body portion 21, and in fact, the formation of above-mentioned this frame body 20 belongs to the model of known techniques hesitates, and the structure of its some thin portions is superfluous old no longer in addition promptly.

Respectively this arch 30 has two cambered surfaces 31 respectively, system from a line hole to adjacent another line hole, protrude out in order on these body portion 21 outside anchor rings that are positioned at 242 in adjacent two line holes, and make respectively that this cambered surface 31 is adjacent to each other with an adjacent side, and the arcuation that protrudes out each other and can be separately local corresponding mutually, and 242 arcs that form a continuous extension support line trackings in adjacent two line holes, and wherein, 32 of relative dented space that are positioned at these two cambered surfaces, 31 handing-over positions have proper depth.

Composition by above-mentioned member, when racket netting twine 40 being extended through this line hole 241 respectively with after finishing the wearing of racket netting twine, when this netting twine 40 is set around on body portion 21 outside anchor rings in 241 in adjacent two line holes, amplexiform partly on this cambered surface 31 respectively along corresponding arch 30 formed support line trackings, in other words, be that netting twine 40 is in 242 shaped design because of the tool dented space 32 of this arch 30 in adjacent two line holes, can significantly reduce by 30 areas that contact of netting twine 40 and this arch, in addition 242 arcs along this support line tracking extend this netting twine 40 in adjacent two line holes, and can keep the effect that located by prior art allows netting twine to slide.

The continuous Fig. 5 and shown in Figure 6 that sees also, the improvement structure 10 ' of the frame of racket that in the utility model second preferred embodiment, is provided, its overall technology content substantially with preceding take off first preferred embodiment in the institute person of taking off identical, its cambered surface 31 ' quantity that only is this arch 30 ' and is had that do not exist together is increased to three, and these change for second embodiment, do not influence it can reach and the identical effect of above-mentioned first preferred embodiment; In other words, promptly in the utility model, the quantity that is provided with of this cambered surface only is its qualification to be at least two, allly all belongs to claim of the present utility model more than the two and can contain and take the photograph.

Seeing also Fig. 7 and the utility model shown in Figure 8 the 3rd preferred embodiment again provides the improvement structure 10 of frame of racket "; its structure substantially with preceding take off first preferred embodiment in the person of taking off of institute identical; different persons are in the present embodiment in order to constitute line hole 242 " be most independently tailor's tacks 24 individually separated from each other "; and make respectively this tailor's tack 24 " coaxially respectively be arranged in corresponding nail hole 23 " in; as for this arch 30 respectively " then taken off and be convexly set in outside its nail on end face to be different from first preferred embodiment, and be directly molded on this body portion 21 " outside anchor ring on.

See also the cutaway view of the utility model the 4th preferred embodiment shown in Figure 9 again, 10  are constructed in the improvement of the frame of racket that provides in present embodiment, its technology contents substantially with on to take off the person of taking off of the 3rd preferred embodiment institute identical, it does not exist together and only is directly molded on 21  of body portion of this frame body with the line hole that wears for netting twine 40  in the present embodiment, and the tailor's tack body no longer is set in wherein, the footpath makes netting twine 40  directly be arranged on the frame of racket, easy speech, disclosed by the 3rd and the 4th preferable enforcement, it is multi-form to show that the arch reason is provided with, that is adapt to the simple change that multi-form frame of racket is done, all should belong to the utility model claim and can contain and take the photograph.

Claims

1, a kind of improvement of frame of racket structure includes:

It is characterized in that:

2, according to the improvement structure of the described frame of racket of claim 1, it is characterized in that: respectively this cambered surface extends axially along the center of curvature of self respectively.

3, according to the improvement structure of claim 1 a described frame of racket, it is characterized in that: respectively this cambered surface interconnects with an adjacent side to each other.