CN2606617Y - Racket with improved handle - Google Patents

Abstract

The utility model relates to a racket with improved handle mainly comprising a racket frame and a handle. The racket frame is provided with holes annularly for the thread passing through to form the network of the racket, and the network of the racket is connected with the triangle laryngeal through the racket frame and connected with the rod body to form the handle; the outside of the handle is provided with a wrapping belt for users holding and flapping; the racket handle is completely hollow and connected with the racket frame as a whole, and the outside of the racket part is at least attached with a high temperature resistance shake absorption layer or a composite strengthening layer; after heating and pressing with a die, the rod body of the racket handle and the attached high temperature resistance shake absorption layer or strengthening layer are of compound forming as a whole. The racket handle of the utility model has higher structure intensity and rigidity by adopting the composite strengthening layer, and the racket of the improved handle avoids the shake during flapping by adopting the shake absorption layer and absorbs the uncomfortable feeling caused by vibration efficiently.

Description

The improved racket of shank

Technical field:

The utility model relates to the improved racket of a kind of shank, especially a kind of handle portion is complete hollow tubular, and its skin is provided with the composite fibre of composite at least, the improved racket of shank of this composite fibre and frame portion and triangle throat one composite molding after the mould pressurized, heated.

Background technology:

Existing commonly used racket such as tennis racket or wall ball racket or pelota is clapped, racket or the like, generally normally is made up of head, triangle throat and shank.Be example with the tennis racket below, specifically describe: usually the head of racket is made up of frame portion and face, and this face is to be stretched through to be woven in the line hole that frame portion ring establishes by the racket string body to form, and makes the bat face that line the constituted various spheroids that can be used to hit.

It should be noted that, because the elasticity of tennis racket line is updated, the flying speed of tennis also improves relatively, causes racquet frame portion and face in the moment of batting, and bears great shaking force, therefore further improve the structural strength of racket shank, especially the racket shank that early stage composite such as carbon fiber are made into integration, as shown in Figure 1-Figure 3, wherein Fig. 1 is mould A, the forming process of racket 10 is such, and this preimpregnation woven composite is inserted a blow bag and inserting in the mould.It should be noted that, this shank shaping processing is as shown in Figure 1 and Figure 2, be provided with in the middle of the shank and separate wall (because being to fit together to the shank place from mould coiled frame shape) with the strip composite, help blowing bag from composite wherein the inlet side winding to opposite side, and make the bag of blowing with swollen the rising of preimpregnation woven composite air blowing, and cover after mould makes it pressurized, heated, just can obtain the thick embryo of blank of racket making body.When racket is shaped because be provided with dividing wall and the pressurization of blowing expands the bag of blowing and with the composite pressurized, heated, but the pressurization of obviously blowing still has the dead angle to cause the stressed inequality of this composite behind swollen the rising according to practical experience, cause having both sides or diagonal angle stressed bad, yet after the mould pressurized, heated, the composite that has a melting have flow condition when blowing bag compression extruding and its obstruct because of allocation position and intermediate interlayer cause the melting composite produce in stressed bad place thicker wall thickness or because of stressed larger part wall thickness thinner, as Fig. 2 or shown in Figure 3, be different shaped as frames, among the figure at T1 and T2 wall thickness place, obviously this wall thickness inequality has stress and concentrates generation, so that wayward shank wall thickness or cause the not enough or more serious situation of shank strength rigid, and shank needs often to bring the sense of discomfort that absorbs after being given a shock by means of its outside winding of twining, but shock-absorbing effect also can grip size because of user's palm, other factors such as this take-up strap material and being restricted, therefore this racket shank still has desirable not to the utmost problem to exist, at existing existing disappearance of racket shank molding structure and drawback, improved necessity is arranged very.

Summary of the invention:

The purpose of this utility model is at the deficiencies in the prior art, provide a kind of shank improved racket, the frame portion and the shank of racket, be to establish into preimpregnation composite shank by a high temperature resistant hollow sleeve, and its skin can add a composite and with frame portion composite molding after take out and one-body molded; Can effectively control this handle portion and form uniform wall thickness and control structure intensity size, and this racket be had higherly anti-ly bounce intensity and rigidity, prolong the service life of racquet frame portion simultaneously.

Another purpose of the present utility model is at the deficiencies in the prior art, provide a kind of shank improved racket, because the racket shank of one composite molding is a hollow structure, and can borrow hollow sleeve to be arranged on complex fiber material inside, make the airbag of laying be located in the sleeve pipe and impose inner the air blowing pressurization time, the method that cooperates mould to impose the external pressurized heating is made, the shank outer rim side establish composite wood and whereby the processing mode setting can add the strengthening layer that is all composite or high temperature resistant shock suction layer is simultaneously one-body molded, with effective control this shank rigidity or shock-absorbing effect, but therefore wholely adopt with predeterminable intensity and have the modular structure production design of buffering effect, can improve the speed and the efficient of racket moulding.

The purpose of this utility model realizes by the following technical solutions:

The improved racket of a kind of shank, around mainly comprising, it is equipped with a racquet frame portion and a handle portion with the hole of reaching the standard grade, clap the braiding that stretches through of line hole along the line, constitute the face structure, be arranged with outside this handle portion for gripping the take-up strap that the striker uses, the handle portion of described racket is complete hollow tubular, and its skin is provided with the composite fibre of the one composite molding after the mould pressurized, heated with frame portion and triangle throat at least.

The racket shank of described hollow form, for utilize preimpregnation composite fibre material inside install earlier high temperature resistant hollow sleeve, therein establish the air blowing bag and make this air blowing bag one end by the hollow sleeve end along a side ring around behind the frame, along the opposite side that is set to this sleeve pipe and the outside collocation of this preimpregnation composite mould, make the bag of blowing impose by air blowing internal pressurization simultaneously, cooperate mould to impose the external pressurized heating, make this composite fibre material and the composite molding of hollow sleeve one after, take out this hollow sleeve, integrated hollow handle portion again.

The composite that the described preimpregnation composite shank outside encloses is when the bag of blowing is set in that hollow sleeve is inner to be borrowed this airs blowing bag internal pressurization, by the pressurized, heated of inserting mould handle, make this composite and enhancement Layer or the fusion of shock suction body one to fit to form in hollow sleeve outside end face and again with after this hollow sleeve taking-up, the enhancement Layer that is similarly the preimpregnation composite or the resistant to elevated temperatures shock suction body that are sticked.

The complex intensifying layer material that described racket shank peripheral hardware is put is carbon fiber or glass fibre or Kevlar fibers or its mixing.

Described and the shock suction body material one-body molded composite bed of handle portion is high temperature resistant elastic material or high-temperature resistant rubber material.

Described hollow form handle portion is two kinds of different rigidity composite combined shapings.

Described hollow form handle portion is that different elastomeric materials are compound integrally formed.

Described racket handle lid with hollow handle portion at handle portion end along integrally formed.

Described hollow frame portion internal layer is provided with the helical form complex fiber material enhancement Layer of this frame portion cross-sectional strength of integrally formed efficient hardening at least, its be shaped as along frame portion inner ring surface around and on single-screw line or double helix line intersected with each other.

The strip-spiral complex fiber material enhancement Layer that described hollow frame portion skin is sticked integrally formed at least, this enhancement Layer be shaped as strip single-screw line or double helix line intersected with each other.

In sum, the utility model can effectively be controlled this handle portion and form uniform wall thickness and control structure intensity size, and this racket is had higherly anti-ly bounce intensity and rigidity, prolong the service life of racquet frame portion simultaneously.But simultaneously whole adopt with predeterminable intensity and have the modular structure production design of buffering effect, can improve the speed and the efficient of racket moulding.

Description of drawings:

Fig. 1 is the shaping figure of prior art racket and mould;

Fig. 2 is one of prior art racket handle cross section schematic diagram;

Fig. 3 is two of a prior art racket handle cross section schematic diagram;

Fig. 4 is the schematic appearance of the utility model racket and handle portion;

Fig. 5 is the utility model racquet frame portion and mould molding schematic diagram;

Fig. 6 is the force-bearing situation schematic diagram of the utility model racket shank part section and cross section;

Fig. 7 is oval-shaped embodiment generalized section for the utility model frame portion section;

Fig. 8 is one of the enhancement Layer schematic diagram that is sticked in the utility model frame portion;

Fig. 9 is two of the enhancement Layer schematic diagram that is sticked in the utility model frame portion.

" figure number explanation ":

(A)--mould (B)---bat line 10---racket 11---frame portion

The 12---triangle 13---of throat shank 14---composite wood enhancement Layer

15---handle lid 16---enhancement Layer 20---air blowing bag

The 30---hollow sleeve

The specific embodiment:

Below in conjunction with accompanying drawing the technical solution of the utility model is described in detail.

As shown in Figure 4, around mainly comprising, the utility model is equipped with a frame portion 11, triangle throat 12 and handle portion 13 with the racket 10 in the hole of reaching the standard grade, this line hole can form the face structure for clapping the line B braiding that stretches through, but shockproof when these handle portion 13 outer winding take-up straps impact for gripping.Be provided with that the preimpregnation composite fibre material skin that is hollow tubular fully maybe can add a composite wood 14 backs and with frame 11 and connect and establish with triangle throat 12 after mould A pressurized, heated in the handle portion 13 of above-mentioned racket 10, but the one composite molding; Above-mentioned handle portion, framework and triangle throat one composite molding structural design, and make being evenly distributed of racket hollow frame portion's wall thickness, when the batting of this frame face is stressed when being delivered to shank, because the uniform wall thickness structure stress of shank distributes fully, mean forced and stability are higher, structural strength is good, good rigidly, and it is better to hit control of energy and racket structure intensity of racket to be beneficial to the user.

Racket shapes as shown in Figure 5, the forming step of racket 10 frames 11 and hollow handles 13 is as follows: be set as a hollow internal layer racket shape by preimpregnation composite fibre material earlier, and be that triangle throat 12 lower edges dispose that establish can resistant to elevated temperatures hollow sleeve 20 in these handle portion 13 positions, and in this hollow sleeve 20 wherein establish air blowing bag 30 and make this air blowing bag one end be by this hollow sleeve 30 bottoms one this frame of side ring coiled after and be located at the other end in this hollow sleeve 20, at the outside collocation of this preimpregnation material processing mold A, when making the bag 30 of blowing give internal pressurization by blowing, cooperate this mould A to impose the external pressurized heating, after making this preimpregnation composite fibre material and this hollow sleeve 20 one-body molded, take out this hollow sleeve 20 from this shaping handle portion 13 again, can form the racket 10 that integral type has hollow frame portion.

For cooperating different users's requirement, be to add at the set composite wood 14 of preimpregnation composite shank outer rim side and put the composite bed that is sticked, can be set as and be all preimpregnation composite enhancement Layer (carbon fiber or glass fibre or open Kevlar fibers or it is compound) or the high temperature resistant shock suction body that is sticked (as high-temperature resistant rubber or high temperature resistant elastic material), when the bag 30 of blowing is set in hollow sleeve 20 inside and borrow 30 pairs of internal pressurization of this air blowing bag, after the pressurized, heated processing of inserting mould, this composite and outer set enhancement Layer or the fusion of shock suction body one are fitted form in hollow sleeve 20 outside end faces, after again this hollow sleeve 20 being taken out, get final product to such an extent that integral type has the reinforcement shank of strengthening layer or the hollow form racket shank 13 that integral type has shock suction body, it is more flexible that the combination of varying strength composite can make material use, and this one-body molded shock absorption material can make the racket shank have rigidity and buffering material two specific characters concurrently; Simultaneously, racket shank 13 is provided with two kinds of varying strength composites at least and is processed one-body moldedly, makes shank 13 grip the dynamics rigidity that shank is strengthened and brought into play smoothly to the batting rigidity.Racket shank 13 also can be provided with the material of two kinds of different hardness at least and be processed one-body moldedly, makes this frame face grip the batting shock-absorbing effect through shank and obtains efficient buffer and absorb control.

In addition, racket handle lid 15 also can be according to the structure of the composite wood 14 of above-mentioned racket shank 13, be sticked handle portion 13 terminal along and integrally formed, its procedure is more simplified, help the integrated pattern of one processing.

As Fig. 8, shown in Figure 9, internal layer is provided with integrally formed helical form enhancement Layer 16 at least in hollow frame of the present utility model portion, can be made as striated along frame portion inner ring surface around and on, can be made as also that double helix intersects and on, but this frame portion cross-sectional strength of efficient hardening, it is integrally formed that certain this strip enhancement Layer 16 in like manner also can be located at frame portion skin, can be set to single striated or be the double helix cross-like, and this enhancement Layer material can be complex fiber material.

In sum, the utlity model has following advantage:

1, the utility model can effectively improve racket shank structural strength and rigidity.

Because racquet frame portion of the present utility model and shank, be to cooperate hollow sleeve and establish into the air blowing bag and make by the composite fibre material that is hollow tubular, its shank is complete hollow tubular and one composite molding, the outer enhancement Layer composite fibre material and have characteristics with the composite molding of hollow handles one of can being sticked of this hollow handles in addition, can guarantee effectively that this composite fibre material is delivered on the frame portion sectional area at stressed minute balanced of frame face square stance, therefore can guarantee the structural strength of frame portion and shank, when preventing that frame portion from bearing huge bouncing, this shank rigidity can be because of this hollow form design and the strengthening layer that adds, make user's energy control can be able to effective performance, be unlikely producing the situation generation that there is the damage of bursting apart at stressed unequal place, can effectively prolong the service life of racquet frame portion and promote its rigidity simultaneously.

But 2, the utility model rapid shaping and effectively control racket wall thickness weight.

Because the frame portion and the shank of the utility model integral type, and strengthening layer or shock suction body structure, be to adopt the mode of one composite molding to make, and cooperate and to be provided with sheathed and composite molding between the external pressurized heating of air blowing pressurization, mould of the bag of blowing in the composite fibre material inner hollow sleeve pipe and two composite fibre materials, the racket that is easy to take out this hollow sleeve and becomes the germule blank, therefore shank weight and wall thickness can calculate the requirement of adjusting and can reaching modularity production in advance, to improve the yield rate and the production efficiency of racket.

3, the utility model can effectively improve racket shank rigidity and shock-absorbing effect.

Because the enhancement Layer of the utility model frame, shank and different rigidity or owing to bounce the shock suction body that the shakes required buffering usefulness composite construction that all can be formed in one, because shank is provided with easy to operate of the mode and the wall thickness of hollow sleeve moulding and is easy to control, so be: can directly establish strengthening layer or shock suction body and one-body molded by empty therein shank with the difference of prior art, can reach control this racket weight, intensity and rigidity, and have shock-absorbing effect.

In sum, this hollow tubular composite fibre material that utilizes provided by the utility model, the hollow sleeve of collocation processing usefulness is blown by inside simultaneously and is pressurizeed and outer mold pressurized, heated mode, makes this composite fibre material in handle portion and strengthening layer or the composite molding of shock suction body one, racquet frame portion and the shank of forming integral type, the structural strength of this handle portion is improved,, handle portion buffering usefulness is improved simultaneously by the modularity design, overall utility is strong, and is with low cost.

It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (10)

1, the improved racket of a kind of shank, around mainly comprising, it is equipped with a racquet frame portion and a handle portion with the hole of reaching the standard grade, clap the braiding that stretches through of line hole along the line, constitute the face structure, be arranged with outside this handle portion for gripping the take-up strap that the striker uses, it is characterized in that: the handle portion of described racket is complete hollow tubular, and its skin is provided with the composite fibre of the one composite molding after the mould pressurized, heated with frame portion and triangle throat at least.

2, the improved racket of shank according to claim 1, it is characterized in that: the racket shank of described hollow form installs high temperature resistant hollow sleeve earlier for utilizing preimpregnation composite fibre material inside, establish the air blowing bag therein and make this air blowing bag one end by the hollow sleeve end along a side ring behind frame, along the opposite side that is set to this sleeve pipe, and at the outside collocation of this preimpregnation composite mould, make the bag of blowing impose internal pressurization simultaneously by air blowing, cooperate mould to impose the external pressurized heating, after making this composite fibre material and the composite molding of hollow sleeve one, take out this hollow sleeve again, integrated hollow handle portion.

3, the improved racket of shank according to claim 1 and 2 is characterized in that: the composite that the described preimpregnation composite shank outside encloses is when the bag of blowing is set in that hollow sleeve is inner to be borrowed this airs blowing bag internal pressurization, by the pressurized, heated of inserting mould handle, make this composite and enhancement Layer or the fusion of shock suction body one to fit to form in hollow sleeve outside end face and again with after this hollow sleeve taking-up, the enhancement Layer that is similarly the preimpregnation composite or the resistant to elevated temperatures shock suction body that are sticked.

4, according to claim 1 or the improved racket of 3 described shanks, it is characterized in that: the complex intensifying layer material that described racket shank peripheral hardware is put is carbon fiber or glass fibre or Kevlar fibers or its mixing.

5, according to claim 1 or the improved racket of 3 described shanks, it is characterized in that: the described and shock suction body material one-body molded composite bed of handle portion is high temperature resistant elastic material or high-temperature resistant rubber material.

6, according to claim 1 or the improved racket of 3 described shanks, it is characterized in that: described hollow form handle portion is two kinds of different rigidity composite combined shapings.

7, according to claim 1 or the improved racket of 3 described shanks, it is characterized in that: described hollow form handle portion is that different elastomeric materials are compound integrally formed.

8, according to claim 1 or the improved racket of 3 described shanks, it is characterized in that: described racket handle lid with hollow handle portion at handle portion end along integrally formed.

9, the improved racket of shank according to claim 1 and 2, it is characterized in that: described hollow frame portion internal layer is provided with the helical form complex fiber material enhancement Layer of this frame portion cross-sectional strength of integrally formed efficient hardening at least, its be shaped as along frame portion inner ring surface around and on single-screw line or double helix line intersected with each other.

10, the improved racket of shank according to claim 1 and 2, it is characterized in that: the strip-spiral complex fiber material enhancement Layer that described hollow frame portion skin is sticked integrally formed at least, this enhancement Layer be shaped as strip single-screw line or double helix line intersected with each other.

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