CN2693305Y

CN2693305Y - Improved aluminium alloy racket structure

Info

Publication number: CN2693305Y
Application number: CNU2004200211057U
Authority: CN
Inventors: 曾省三
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-03-19
Filing date: 2004-03-19
Publication date: 2005-04-20
Anticipated expiration: 2014-03-19

Abstract

The utility model relates to an improved aluminium alloy racket frame, in particular to an aluminium alloy racket frame making use of one reinforcing rib formed by stamping or rolling to strengthen the strength of the aluminium alloy racket frame and to reduce the deformation or break of the racket frame. Basically, one concave strengthening rib is formed by stamping or rolling at both sides of a frame edge at the crossing wire bore point of any longitudinal and transverse net lines on the racket frame; the strengthening rib is a circulation design which is gradually low from middle to both sides, so the section difference design of the racket frame with different sections can be obtained, which strengths the different sections of the racket frame; thus the crossing wire bore point of the longitudinal and the transverse net lines of the racket frame does not deform or break because of stress, and an aberrant aluminium alloy racket frame is obtained through the difference section designs of the racket frame, so the freedom of the whole model design of the racket frame is changed.

Description

The aluminium alloy racket frame architecture advances

Technical field

The utility model is relevant a kind of aluminium alloy racket frame architecture advances, refers to a kind of punching press or roll-forming one ribs of utilizing especially, to strengthen the intensity of aluminium alloy racket frame, to reduce the aluminium alloy racket frame of racquet frame distortion or fracture.

Background technology

No matter be that tennis racket or racket all need suitable intensity and ball-handling property thereof, generally speaking, with the made racket of carbon fiber reinforcement composite, though it utilizes the racquet frame of lamination method manufacturing to have the advantage that can design according to its desirable strength or moulding, yet it promptly needs a secondary mould in each moulding, begin to such an extent that finish, cover and make it whole manufacture process is numerous, and its manufactured materials and equipment cost but are the several times that the common metal material is made racquet frame, but the general racquet frame made from metal material, rackets 1 shown in figure one to figure three all, it mainly is that the aluminum pipe of getting a suitable length bends the racquet frame 11 that roll extrusion forms, and be provided with the line hole 13 that to run through madial wall 111 and lateral wall 112 and can wear for netting twine 12 in this racquet frame 11, and on this line hole 13, be arranged with bar nail sheath 14, in addition, a triangle larynx piece 15 is then tied by screw 17 locks by throat in this racquet frame 11, be vertical by this netting twine 12 again, traversed by is knitted and is formed a strike district, twine belt for handle 16 again, so construct, obviously be accomplished a racket 1, but, the face of general racket, the panting stress difference that neck and handle portion are suffered, its face when relatively making the framework moulding of its racket, the hardness demand of neck and handle portion is all different, yet the racquet frame 11 of general racket is the aluminum pipe bending roll forming of getting a suitable length, be to be all identical (as shown in Figure 3) with its section, and make it hit the design of clapping point and different section being arranged in response to different, and at present because of the requirement to racket weight, the demand that more and more alleviates its weight is arranged, be that thickness with this racquet frame 11 presents more and more thin trend relatively, but the diameter of its racket 1 is that genus is constant, relatively the demand to racquet frame 11 intensity is then more and more high for it, but as above-mentioned racquet frame 11, it is vertical in racket, the place, line hole of horizontal net wire intersection, it is because of being to be bending, be less with the spacing in its each line hole 13, the big part of density, and it is because of being vertical, horizontal net wire 13 confluces, and make its square stance, it bears and hits bat stress is the place of whole racket 1 maximum, be with, when hitting to beat again, tennis hits when district, its racquet frame 11 is because of vertical, horizontal net wire 13 is simultaneously stressed, and when pullling mutually, the often easy deformation in the line hole place that makes its netting twine 13 intersections, depression or fracture part, and the racquet frame made from aluminum alloy materials 11 is owing to be to form with the aluminum pipe bending, it is the section configuration that is subject to material with it, caliber and wall thickness are all identical, and can't reach to be converted on the racquet frame different freedom of appearance design are arranged.

Edge this, inventor of the present utility model is engaged in aluminium alloy racket frame design based on it and makes for many years experience, via test and change repeatedly, eventually generation of the present utility model.

Summary of the invention

That is, main purpose of the present utility model is a kind of line hole place's punching press depression reinforced ribs of arbitrary longitudinal and transverse netting twine intersection on racquet frame to be provided, to make racquet frame formation section poor and reach, strengthened the aluminium alloy racket frame of racquet frame intensity.

Another purpose of the present utility model is line hole place's punching press depression reinforced ribs of arbitrary longitudinal and transverse netting twine intersection on by racquet frame, makes racquet frame form the variant frame and reach, and be able to the different racquet frame appearance of section configuration of a frame.Remainder now with regard to the utility model structure, feature, and cooperates graphic explanation as back:

Description of drawings

Fig. 1 is the schematic perspective view of racket commonly used.

Fig. 2 is the plane generalized section when using the intersection of racket netting twine always.

Fig. 3 is the generalized section of the framework of racket commonly used.

Fig. 4 is a floor map of the present utility model.

Fig. 5 is the generalized section of the utility model framework.

Fig. 6 is the schematic perspective view of the utility model reinforced ribs.

Fig. 7 is the embodiment that the utility model is used for racket.

Fig. 8 is the generalized section of the framework of the utility model embodiment ().

Fig. 9 is the part schematic perspective view of the utility model embodiment () framework.

Figure 10 is the generalized section of the framework of the utility model embodiment (two).

The specific embodiment

See also Fig. 4, shown in Figure 6, it is to be the utility model plane and part generalized section thereof, it mainly is racquet frame 2 bending formings one body of making in aluminium alloy 21, and be provided with the line hole 23 of running through madial wall 211 and lateral wall 212 and can wearing for netting twine 22 in the body 21 of this racquet frame 2, and on this line hole 23, be arranged with bar nail sheath, and make this netting twine 22 vertical, traversed by is knitted and is formed a face 24, and it is vertical in these racquet frame 2 netting twines 22, the both side edges punching press of the madial wall 211 at the traversed by place of knitting or roll-in form one middle the darkest 251 also past both sides gradually shallow 252 and are the reinforced ribs 25 (as shown in Figure 5) of depression, the outer rim of racquet frame 2 then is a smooth-going cambered surface, and a triangle larynx piece 26 is then tied by the screw lock by the throat in this racquet frame 21, be vertical by this netting twine 22 again, traversed by is knitted and is formed a strike district, twines belt for handle 27 again;

In this way, by centre the darkest 251 and toward both sides gradually shallow 252 and be the setting of the reinforced ribs 25 of depression, make this racquet frame 2 form different sections, and make the arbitrary netting twine 22 on the racquet frame 2 vertical, the area at the traversed by place of knitting and diameter are dwindled and are presented different sections, and meet in response to the different section-differential Section Design of clapping point and different section being arranged of hitting, vertical with its netting twine 22 of reinforcement, traversed by is knitted the place, because of line hole 23 the racquet frame that causes 2 can't load because of strength demand, and cause frame to be out of shape, the situation of depression or fracture, in addition, by centre the darkest 251 and toward both sides gradually shallow 252 and be the setting of the reinforced ribs 25 of depression, make the section of racquet frame 2 form difference, and present a variant type racquet frame 2, to increase the appearance of this racquet frame 2, and can change the length of this reinforced ribs 25 on demand, Wide degree and shape thereof, and change in the past because of section configuration, caliber and wall thickness are all identical, and can't reach to be converted on the racquet frame different freedom of appearance design are arranged.

Moreover, see also shown in Figure 7, it is the embodiment that is used for racket for the utility model, wherein, the netting twine 22 longitudinal and transverse places of interweaving on madial wall 211 both sides of racquet frame 2 bodies 21 all can form the reinforced ribs 25 of a depression, and this reinforced ribs 25 is the darkest and toward the gradually shallow airflow design in both sides in the middle of being.

See also shown in Figure 8 again, it is to be embodiment of the present utility model (one), wherein, the netting twine 22 longitudinal and transverse places of interweaving on the madial wall 211 of racquet frame 2 bodies 21 all can be formed with two or more reinforced ribs that is depression 25 (as shown in Figure 9), and this reinforced ribs 25 is the darkest and toward the gradually shallow airflow design in both sides in the middle of being.

See also shown in Figure 10 again, it is to be the utility model embodiment (two), wherein, the netting twine 22 longitudinal and transverse places of interweaving on the madial wall 211 of racquet frame 2 bodies 21 all can be formed with two or more reinforced ribs that are evagination 28, and this reinforced ribs 28 is the darkest and toward the gradually shallow airflow design in both sides in the middle of also being.

In sum,, the structure of aluminium alloy racket frame commonly used be can change, and intensity and appearance variation, the enhancement in fact of its frame strengthened with effect though the utility model is with simple structural change.

Claims

1. aluminium alloy racket frame architecture advances, it mainly is racquet frame bending forming one body in aluminium alloy system, and be provided with the line hole of running through madial wall and sidewall and can wearing for netting twine in the body of this racquet frame, and on this line hole, be arranged with bar nail, and make the longitudinal and transverse face that is interwoven of this netting twine, it is characterized in that: the both side edges of the madial wall at the longitudinal and transverse place that interweaves of arbitrary netting twine forms in the middle of one the darkest and gradually shallow and be the reinforced ribs of recess toward both sides on this racquet frame.

2. aluminium alloy racket frame architecture advances as claimed in claim 1 is characterized in that: wherein, this reinforced ribs is can punching press or roll-forming.

3. aluminium alloy racket frame architecture advances as claimed in claim 1 is characterized in that: wherein, the outer rim shape of this reinforced ribs is to change with the shape of racquet frame.

4. aluminium alloy racket frame architecture advances as claimed in claim 1 is characterized in that: wherein, this reinforced ribs is that the longitudinal and transverse place of interweaving of the netting twine on the madial wall of racquet frame body all can be formed with the reinforced ribs that two or more are recess.

5. aluminium alloy racket frame architecture advances as claimed in claim 1, it is characterized in that: wherein, the longitudinal and transverse place of interweaving of netting twine on the madial wall of racquet frame body all can be formed with the reinforced ribs that two or more are evagination, and this reinforced ribs is the darkest in the gradually shallow design in both sides in the middle of being.