CN2897341Y

CN2897341Y - Racket frame structure of improved composite materials

Info

Publication number: CN2897341Y
Application number: CNU200520131050XU
Authority: CN
Inventors: 陈正盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-31
Filing date: 2005-12-31
Publication date: 2007-05-09
Anticipated expiration: 2015-12-31

Abstract

The utility model provides an improved composite material racket frame structure, which comprises a framework body for the horizontal tension of the screen plane of the racket. The framework body is a hollow section formed by composite fiber material, and a left and a right side wall winding around the surroundings of the section are formed. The section of the main body of the framework between the relative sides of the left and the right side walls is fixedly provided with a vertical bridge perpendicular to the direction of the screen plane, and a left and a right side chamber are formed separated in the two sides of the vertical bridge. The vertical bridge and the left and the right side walls are corresponding to the same axle and respectively drilled with line holes, and the left, the middle and the right force supporting points for the through of the racket lines are formed.

Description

Improved racket frame with compound structure

One, technical field

The utility model relates to racket, relates in particular to a kind of improved racket frame with compound structure.

Two, background technology

Existing racket structure, as shown in Figure 6, it mainly is by the chassis body 1 of an annular and opens and be located at this chassis body 1 and constitute around a wire side 2 of inboard, chassis body 1 major axis one side joint is established a handle (figure does not show), and the formation of wire side 2 is to be drilled with line hole 3 threading by chassis body 1 veutro to be interwoven; No matter wherein chassis body 1 is to adopt metal material or composite to make, all can divide into following three types according to the shaped as frame of its section: one, for square shape section framework (promptly, single hollow tubular structure), as shown in Figure 7, this chassis body 1 veutro is after bar nail sheath is installed in punching additional, it wears the stressed strong point of netting twine system line hole 3 left and right sides sidewalls, two end positions respectively, because proportion, pipe thickness are limited, the racket shaped as frame is yielding when wearing backguy, so majority is used for child teenager or beginner; Two, be order font section framework, as shown in Figure 8, this structure has two parallel cross ribs 4 up and down, though to strengthen the hardness of shaped as frame, it is not yielding to make it wear the pull wire head frame, and the right middle wheelbase palm of racket is relatively held force application part, easily allows the user feel too hard and uncomfortable when it bounces, so widely the consumer accepts, and still is confined to the beginner; Be a day font section framework three,, as shown in Figure 9, be horizontally set with single cross rib 5 reinforcing props in the middle of this racquet frame section, wear the distortion of backguy afterframe though conception can reduce, it is positioned at being drilled with on the position of racket string hole, destroys its bulk strength on the contrary.

As previously mentioned, which kind of section type no matter it be, is to reach the racquet design that effectively alleviates frame weight and take into account frame strength all the time.

In view of this, the utility model creator is according to production and marketing like product experience for many years, and constantly research and experiment is designed the utility model finally.

Three, utility model content

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and a kind of improved racket frame with compound structure is provided, and it can not only reach the light-weighted requirement of racket effectively, and can improve the racket ball-handling performance and the strength of swinging the bat.

The purpose of this utility model is realized by following technical scheme.

The improved racket frame with compound structure of the utility model includes one and opens the chassis body of establishing for racket wire side level, and it is to be made and section with hollow by complex fiber material, and form section week gusset around left and right sidewall; It is characterized in that: the chassis body section between described left and right sidewall opposite side is to set firmly one with vertical wire side direction vertically to build bridge, and form the left and right side room that separate this vertical bridge formation both sides, vertically the corresponding coaxial line hole that is drilled with respectively with left and right sidewall of bridge formation forms three stressed strong points in left, center, right that this place's netting twine wears.

Aforesaid improved racket frame with compound structure, the inner bag of wherein vertically building bridge is established has the thick rigidity lamellar body of a predetermined side.

Aforesaid improved racket frame with compound structure, wherein the outer circumferential side of rigidity lamellar body coats the clad of a complex fiber material compatible with chassis body.

Aforesaid improved racket frame with compound structure, wherein the side of rigidity lamellar body is thick is good 0.2 to 0.4mm.

Aforesaid improved racket frame with compound structure, wherein the rigidity lamellar body staggers at interval at end face several perforation is set.

Aforesaid improved racket frame with compound structure, wherein the rigidity lamellar body is several pieces sections sheet metal, or the metal lamellar body of single continuous shape, or for having the latticed wire netting sheet of hollow out, is set at the parallel track position of associated frame members body profile.

The improved racket frame with compound structure of the utility model includes one and opens the chassis body of establishing for racket wire side level, and it is to be made and section with hollow by complex fiber material, and form section week gusset around left and right sidewall; It is characterized in that: the chassis body section between described left and right sidewall opposite side is to set up a rigidity lamellar body at least with vertical wire side direction, constituting one of bottom side, support frame main body top vertically builds bridge, form the left and right side room that separate vertical bridge formation both sides simultaneously, this rigidity lamellar body is the corresponding coaxial line hole that is drilled with respectively with left and right sidewall, forms three stressed strong points in left, center, right that this place's netting twine wears.

The beneficial effect of the improved racket frame with compound structure of the utility model is, mainly include one and can open the chassis body of establishing for racket wire side level, it is to be made by complex fiber material and have the hollow section, and form section week gusset around a left side, right side wall, its improvements are: a described left side, chassis body section between the right side wall opposite side is to set firmly one with vertical wire side direction vertically to build bridge, and form the left side that separate this vertical bridge formation both sides, the chamber, right side, should vertically build bridge and a left side, right side wall is corresponding coaxially to be drilled with the line hole respectively, thereby forms the left side that this place's netting twine wears, in, right three stressed strong points.Again, inner also can the bag of described vertical bridge formation established the thick rigidity lamellar body of a predetermined side.Moreover, chassis body section between this left and right sidewall opposite side sets up a rigidity lamellar body at least with vertical wire side direction, thereby constituting one of bottom side, support frame main body top vertically builds bridge, form the left and right side room that separate vertical bridge formation both sides simultaneously, this rigidity lamellar body and the corresponding coaxial line hole that is drilled with respectively of left and right sidewall system form three stressed strong points in left, center, right that this place's netting twine wears.The utility model has the advantages that: the structure in two side rooms about the first, it is separated, make former single space be divided into two, allow the hypotelorism of frame two sides, comparatively speaking, moment diminishes, and the stress deformation amount also diminishes.The second, the structure in two side rooms about it is separated, make shaped as frame be made as low windage, reduce the girth of periphery, bounce behind the threading strength from left to right central longitudinal pedestal bridge also be the vertical direction of flicking of whole racket, the extension of palm portion especially increases by a three-dimensional strength that connects the directionality of inertia when racket is hit, except the impulse force that concedes points to netting twine scatters one's forces, its strength of accomplishing without any letup that connects inertia more can produce extra strength, and the ball-handling performance is greatly improved.Three, the utility model is vertically built bridge in conjunction with the rigidity lamellar body, can reduce the relative weight of making the frame composite, therefore reduces the manufacturing cost and the price of composite, improves the competitiveness and the living space of market product.Four, the utility model provides shape stable rigidity with the rigidity lamellar body to the profile of chassis body, rigidity by appropriateness reduces distortion (Torsion) situation that chassis body is bounced the power generation, appropriateness improves repelling force, allow the frame longer service life, allow the face angle of shot more just be as the criterion.

Four, description of drawings

Fig. 1 is the utility model one preferred embodiment framework section perspective view.

Fig. 2 is a framework threading stress profile shown in Figure 1.

Fig. 3 establishes the structure enlarged diagram for rigidity lamellar body bag shown in Figure 1.

Fig. 4 is another preferred embodiment framework section perspective view of the utility model.

Fig. 5 is a framework threading stress profile shown in Figure 4.

Fig. 6 is general racket frame surface structure schematic diagram.

Fig. 7 is first kind of available frame section perspective view.

Fig. 8 is second kind of available frame section perspective view.

Fig. 9 is the third available frame section perspective view.

Major label description in figure: 1 chassis body, 2 wire sides, 3 line holes, 4 cross ribs, 5 cross ribs, 10 chassis body, 11 left side walls, 12 right side walls, 13 vertically build bridge, chamber, 13A left side, chamber, 13B right side, 14 line holes, the 111 left strong points, the strong point in 131, the 121 right strong points, 15 rigidity lamellar bodies, 151 perforation, 16 clads, 20 chassis body, 21 left side walls, 22 right side walls, 23 rigidity lamellar bodies, 24 vertically build bridge, chamber, 24A left side, chamber, 24B right side, 25 line holes, the 211 left strong points, the strong point in 231, the 221 right strong points.

Five, the specific embodiment

Consult Fig. 1, Fig. 2 and cooperate shown in Figure 3, it is first kind of embodiment of the improved racket frame with compound structure of the utility model, mainly include one and can open the chassis body 10 of establishing for racket wire side 2 levels, it is to be made and section with hollow by complex fiber material, and form section week gusset around left and

right sidewall

11,12; Wherein, chassis body 10 sections between these left and

right sidewall

11,12 opposite sides are to set firmly one with vertical wire side 2 directions vertically to build bridge 13, and form left and right side room 13A, the 13B that separate this 13 both sides of vertically building bridge, should vertically build bridge 13 and left and right sidewall the 11, the 12nd, correspondingly coaxially be drilled with line hole 14 respectively, and form three stressed strong points (as shown in Figure 2) such as the left strong point 111 that this place's netting twine wears, the middle strong point 131, the right strong point 121.

The rigidity lamellar body 15 of the thick metal of a predetermined side can be selected to set up in the above 13 the inside of vertically building bridge, and its side is thick to be supported with the skeleton that vertical bridge formation 13 is provided about 0.2 to 0.4mm, more can increase substantially the rigidity intensity of chassis body 10 longitudinal axis; Wherein rigidity lamellar body 15 is in order to alleviate its weight, and can stagger at interval at its end face is provided with several perforation 151, and its outer circumferential side then coats the clad 16 (as shown in Figure 3) of a complex fiber material compatible with chassis body 10; In addition, this rigidity lamellar body 15 lamellar body of can be several pieces sections or single continuous shape is arranged at the parallel track position of associated frame members main body 10 profiles.

The 13 vertical structures owing to vertically build bridge make the inner former single space of frame be divided into two, allow the hypotelorism of left and

right sidewall

11,12 2 sides of frame, and comparatively speaking, moment diminishes, and the stress deformation amount also diminishes, and therefore can obtain good frame rigidity hardness.

Brought forward is described, and also therefore general frame structure can break through the restriction of traditional racket frame, as the design of low windage shaped as frame, reduces the girth of periphery.

And behind its racket threading, be somebody's turn to do vertically bridge formation 13 and left and right sidewall the 11, the 12nd, the corresponding coaxial line hole 14 that is drilled with, and form left, center, right three strong points 111,131,121 that this place's netting twine wears, therefore bounce strength (stressed) from the left strong point 111, the strong point 131, the right strong point 121, through central longitudinal to building bridge 13 and periphery such as left and

right sidewall

11,12, again by middle handle to handgrip, it combines with the strength that the user brandishes, impulse force is delivered to the other side zone with ball; In other words, with regard to the section of chassis body 10: vertically building bridge 13 for vertically, also is the vertical direction of flicking of whole racket, the extension of palm portion especially.

Its improved emphasis is the strength that increases the directionality of " the three-dimensional inertia that connects " when racket is hit, from Fig. 1, Fig. 2 can find out easily: remove a periphery left side, right side wall 11, outside 12 2 side thickness, also increase the vertical wall thickness of central longitudinal to bridge formation 13, central longitudinal is brandished to connecting into globality up and down with former framework tube wall, when ball and wire side bounce, except vertically the sharing of much more stressed vertical bridge formation 13, this structure " vertically " intermediate layer, because of the user brandishes, its strength of accomplishing without any letup that connects inertia produces extra strength, the ball-handling performance is greatly improved, both increased the degree of accuracy and also increased its strength.

Consult Fig. 4 again, shown in Figure 5, it is another preferred embodiment of the utility model, mainly include one and can open the chassis body 20 of establishing for racket wire side level, it is to be made and section with hollow by complex fiber material, and form section week gusset around a left side,

right side wall

21,22, this left side, right side wall 21, chassis body 20 sections between 22 opposite sides are the rigidity lamellar bodies 23 that set up a metal with vertical wire side 2 directions at least, thereby constitute one of bottom side, support frame main body 20 top and vertically build bridge 24, form the left side that separate 24 both sides of vertically building bridge simultaneously, chamber,

right side

24A, 24B, a this rigidity lamellar body 23 and a left side, right side wall 21, the 22nd, the corresponding coaxial line hole 25 that is drilled with respectively forms the left strong point 211 that this place's netting twine wears, the middle strong point 231, the right strong point three stressed strong points such as 221 grades (as shown in Figure 5);

Except top described, this rigidity lamellar body 23 can be several pieces sections sheet metal, or the metal lamellar body of single continuous shape, or is the latticed wire netting sheet of tool hollow out, and is set at the parallel track position of associated frame members main body 20 profiles; Because rigidity lamellar body 23 vertical bridge formation 24 structures of constructing make the inner former single space of frame be divided into two, allow the hypotelorism of left and

right sidewall

21,22 2 sides of frame, comparatively speaking, moment diminishes, and the stress deformation amount also diminishes, and therefore can obtain good frame rigidity hardness; Also therefore general frame structure can break through the restriction of traditional racket frame, becomes the design of low windage shaped as frame, reduces the girth of periphery;

Moreover, when hitting, racket increases the strength of the directionality of " the three-dimensional inertia that connects ", can find out vertical bridge formation 24 structures that rigidity lamellar body 23 is constructed easily from Fig. 5, vertically brandish in the middle of it with the former framework tube wall globality that is formed by connecting up and down, when ball and wire side bounce, except vertically the sharing of much more stressed rigidity lamellar body 23, this structure " vertically " intermediate layer, because of the user brandishes, its strength of accomplishing without any letup that connects inertia produces extra strength, the ball-handling performance is greatly improved, increase the degree of accuracy, also increase its strength.

Again, the utility model rigidity

lamellar body

15,23, if 20 g of operating weights, the carbon fibre material weight that a then whole chassis body 20 is suitable for can corresponding minimizing 20 g, keeps the desired lightweight purpose of racket effectively; Its not only because of the composite consumption reduce reduce cost and price outside, be distributed in chassis body 20 by rigidity

lamellar body

15,23, the toughness of metal and intensity, as same skeleton function, help keeping the setting rigidity of chassis body 20, the repelling force of reinforced frame main body 20, distortion (Torsion) situation of minimizing face, and effectively resist the distortion external force that chassis body 20 is subjected to because of the threading operation, reduce the misgivings of distortion.

In sum, the improved racket frame with compound structure that the utility model provides, except reinforced frame intensity, this structure is intended to bring into play racquet frame and whole the functional increase that racket swing swings the bat, framework and whole racket bounce-back effect of racket are obviously increased, emphasize to have on the high matter just of racket the effect of whip, reinforcing prop institute can not reach in order to be horizontally set with in the middle of traditional any frame section for this; The utility model frame section structure, design that also can its low windage has been brought into play and has been reduced the resistance that head-on bounces, and makes the flowthrough after bouncing more smooth, swinging the bat easier and slap against ball more accurately before the batting.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of improved racket frame with compound structure includes one and opens the chassis body of establishing for racket wire side level, and it is to be made and section with hollow by complex fiber material, and form section week gusset around left and right sidewall; It is characterized in that: the chassis body section between described left and right sidewall opposite side is to set firmly one with vertical wire side direction vertically to build bridge, and form the left and right side room that separate this vertical bridge formation both sides, vertically the corresponding coaxial line hole that is drilled with respectively with left and right sidewall of bridge formation forms three stressed strong points in left, center, right that this place's netting twine wears.

2, improved racket frame with compound structure according to claim 1 is characterized in that, the inner bag of described vertical bridge formation is established the rigidity lamellar body with a thickness.

3, improved racket frame with compound structure according to claim 2 is characterized in that, the outer circumferential side of described rigidity lamellar body coats the clad of a complex fiber material compatible with chassis body.

4, improved racket frame with compound structure according to claim 2 is characterized in that, the side of described rigidity lamellar body thick 0.2 to 0.4mm.

5, improved racket frame with compound structure according to claim 2 is characterized in that, described rigidity lamellar body staggers at interval at end face several perforation are set.

6, improved racket frame with compound structure according to claim 2, it is characterized in that described rigidity lamellar body is several pieces sections sheet metal, or the metal lamellar body of single continuous shape, or, be set at the parallel track position of associated frame members body profile for having the latticed wire netting sheet of hollow out.

7, a kind of improved racket frame with compound structure includes one and opens the chassis body of establishing for racket wire side level, and it is to be made and section with hollow by complex fiber material, and form section week gusset around left and right sidewall; It is characterized in that: the chassis body section between described left and right sidewall opposite side is to set up a rigidity lamellar body at least with vertical wire side direction, constituting one of bottom side, support frame main body top vertically builds bridge, form the left and right side room that separate vertical bridge formation both sides simultaneously, this rigidity lamellar body is the corresponding coaxial line hole that is drilled with respectively with left and right sidewall, forms three stressed strong points in left, center, right that this place's netting twine wears.

8, improved racket frame with compound structure according to claim 7 is characterized in that, the side of described rigidity lamellar body thick 0.2 to 0.4mm.

9, improved racket frame with compound structure according to claim 7 is characterized in that, described rigidity lamellar body staggers at interval at end face several perforation are set.

10, improved racket frame with compound structure according to claim 7, it is characterized in that, described rigidity lamellar body is several pieces sections sheet metal, or the metal lamellar body of single continuous shape, or, be set at the parallel track position of associated frame members body profile for having the latticed wire netting sheet of hollow out.