CN206063685U - A kind of antitorque tennis racket - Google Patents

Abstract

This utility model provides a kind of antitorque tennis racket, including the lever for gripping, it is formed with the head frame and support arm for connecting the lever and the head frame of multiple through wires holes, the support arm has two, two support arms are collectively forming triangle part with the head frame, the opposite side of each support arm and opposite side are respectively provided with fluted, and each groove is in the same plane.By groove is arranged on support arm, the torsional property of triangle part is effectively increased, the link position between lever and head frame is not flexible, bounces direction more accurate with angle；It is compared with conventional solution, it is not necessary to the significantly cross-sectional area of whole machine support arm, less to the weight and windage effect of tennis racket, do not affect athlete to play.

Description

A kind of antitorque tennis racket

Technical field

This utility model is related to a kind of sports equipment, especially a kind of antitorque tennis racket.

Background technology

Tennis is a kind of needs by quick reagency and the high-intensity exercise of instantaneous burst power, the hitting dynamics of square stance Relatively large, the moment of torsion born by tennis racket is relatively large, and the link position between lever and head frame easily produces stress concentration, Link position between lever and head frame is easily bent, and the accuracy in direction and angle, after long-time use, tennis are bounced in impact Clap and can even rupture.

Chinese utility model patent ZL03236704.X discloses a kind of racket of the anti-flexural buckling of reinforcing, especially a kind of Strengthen the tennis racket of anti-flexural buckling, mainly use Lobe reinforced structure design, to improve the counter-bending and torsional strength at the structure, the racket is bounced by bending force When square or twisting force, still overall flexibility deflection can be minimized, make to bounce direction more accurate with angle.But the knot Structure needs the formation larger sectional area at triangle part bottom head realize that flexible deformation's amount is minimized, and can be significantly greatly increased The weight and windage of tennis racket, athlete need to improve speed of swing using bigger cue power, and physical demandss are larger, It is unfavorable for athletic performance.

In view of this, the present inventor is conducted in-depth research to the structure of tennis racket, has then this case to produce.

Utility model content

The purpose of this utility model is to provide one kind to bounce direction more accurate with angle and do not affect athlete to play Antitorque tennis racket.

To achieve these goals, this utility model is adopted the following technical scheme that：

A kind of antitorque tennis racket, including the lever for gripping, is formed with the head frame of multiple through wires holes and for connecting institute The support arm of lever and the head frame is stated, the support arm there are two, and two support arms are collectively forming triangle part with the head frame, The opposite side of each support arm and opposite side are respectively provided with fluted, and each groove is in the same plane.

As it is of the present utility model it is a kind of improve, the groove width of the groove is 0.5mm-2.0mm, and the groove depth of the groove is 3.0mm-3.5mm。

As a kind of improvement of the present utility model, it is respectively arranged with the arm pipe of each support arm positioned at corresponding two institutes State the gripper shoe between groove.

Used as a kind of improvement of the present utility model, the cross-sectional area of the support arm is more than the cross section face of the head frame Product.

Used as a kind of improvement of the present utility model, each through wires hole is in the same plane and the planar shaped is into face, The head frame ovalize, and the oval major axis is located along the same line with the lever, the inner side of the head frame has Respectively positioned at the air inducing face of the through wires hole both sides, the elongated surfaces in two air inducing faces are intersected on the face.

Used as a kind of improvement of the present utility model, on the cross section of the head frame, lines corresponding with the air inducing face are circle Camber line, the radius of the circular arc line is 40mm-41mm.

Using above-mentioned technical proposal, this utility model has the advantages that：

1st, by groove is arranged on support arm, the torsional property of triangle part is effectively increased, between lever and head frame Link position is not flexible, bounces direction more accurate with angle；Compared with conventional solution, it is not necessary to which significantly whole machine is propped up The cross-sectional area of arm, it is less to the weight and windage effect of tennis racket, do not affect athlete to play.

2nd, by arranging air inducing face, when swinging the bat, air can be along air inducing surface current mistake, without producing because being stopped by frame Raw resistance, effectively reduces impact of the windage to swinging the bat, simultaneously because air inducing face only changes the cross sectional shape of head frame, not shape Into breach or pit, the intensity of frame is not interfered with, the netting twine poundage that can be born is of a relatively high, when swinging the bat windage is less and not shadow Ring ball-handling difficulty.

Description of the drawings

Structural representations of the Fig. 1 for this utility model tennis racket；

The sectional view of A-A positions in Fig. 2 Fig. 1；

Fig. 3 is the sectional view of B-B positions in 1.

Correspondence is indicated in figure as follows：

10- levers；20- head frames；

21- air inducing face；The first frame portions of 22-；

The second frame portions of 23-；30- support arms；

31- grooves；32- gripper shoes；

40- netting twines；50- shock resistance blocks.

Specific embodiment

This utility model is described further with specific embodiment below in conjunction with the accompanying drawings.

As shown in Figure 1-Figure 3, the tennis racket that the present embodiment is provided, including the lever 10 for gripping, is formed with multiple wearing The head frame 20 of string holes (not shown) and the support arm 30 for connecting lever 10 and head frame 20, support arm 30 have two, two Arm 30 arranges that in " people " font one end of i.e. two support arms 30 is connected with each other, and the other end is mutually diverged to.Two support arms 30 are connected with each other One end be connected with lever 10 respectively, the other end is connected on a frame 20, and the part position of two support arms 30 and head frame 10 Put the triangle part for being collectively forming tennis racket.Certainly, netting twine 40 is also woven with head frame.

Lever 10 and netting twine 40 are all the conventional components of tennis racket, and emphasis not of the present utility model is no longer detailed herein State.

On head frame 20 each through wires hole is in the same plane and the planar shaped is into face, 20 ovalize of head frame, and should Oval major axis is located along the same line with lever 10.The side of the closing surrounded with head frame 20 as on the inside of which, accordingly For on the outside of which, the inner side of head frame 20 has an air inducing face 21 respectively positioned at through wires hole both sides to opposite side, and two air inducing faces 21 are prolonged Long face is intersected on face.By arranging air inducing face 21, when swinging the bat, air can be flow through along air inducing face 21, without because by frame Stop and produce resistance, effectively reduce impact of the windage to swinging the bat.

Preferably, in the present embodiment, on the cross section of head frame 20 with 21 corresponding lines of air inducing face be circular arc line, that is, draw Wind face 21 is curved surface, and the radius of the circular arc line is 40mm-41mm, and as arc length is relatively short, the curved surface is approached in plane.When So, it is also possible to air inducing face 21 is arranged to into the inclined-plane for intersecting angled with face directly.

In the present embodiment, the line of the junction point between two support arms 30 and head frame 20 by the head frame be divided into away from First frame portion 22 of lever 10 and the second frame portion 23 near lever 10, the position of the second frame portion 23 that is to say the moon eyebrow of tennis racket Position.It should be noted that the line is a virtual line, primarily to distinguishing the first frame portion 22 and the second frame portion 23 Position, the first frame portion 22 and the second frame portion 23 are the parts of integral type.

Second frame portion 23 offers slot (not shown) towards the side of lever 10, is interspersed with and supports in the slot The shock resistance block 50 of the bottom land of the slot, shock resistance block 50 can have certain for block rubber, PVC blocks, soft cotton block or silica gel block etc. The block of elasticity.Offer on shock resistance block 50 four with positioned at 23 centre position of the second frame portion four through wires holes it is one-to-one Wire-netting aperture (not shown), i.e., corresponding through wires hole and wire-netting aperture it is mutually coaxial, netting twine 40 is interspersed on this four through wires holes While, also it is interspersed on corresponding four wire-netting apertures, forms tetrad formula shock-damping structure, can effectively absorbs square stance and be located at centre The vibration produced on four vertical net wires of position, enhances the fastness and damping property of tennis racket, so as to alleviate due to racket Injury of the vibrations to user, protect the arm of user；

Preferably, in the present embodiment, shock resistance block 50 is arc surface towards the side of the side of lever 10, the arc surface Radius is 59mm-60mm.

Additionally, in the present embodiment, the opposite side of each support arm 30 and opposite side are respectively provided with fluted 31, i.e., There are two grooves 31 on each support arm 30, namely groove 31 has four.Each groove 31 is in the same plane, the plane with Face photograph is parallel, can so avoid increasing the windage of tennis racket.

The presence of groove 31 effectively increases the torsional property of triangle part, the link position between lever 10 and head frame 20 It is not flexible, bounce direction more accurate with angle；Meanwhile, the groove 31 is coordinated with the air inducing face 21 on head frame 20, Ke Yijia The stability that strong tennis is flicked, improves ball-handling performance, and produces sturdy touch.

Preferably, in the present embodiment, the groove width of groove 31 is 0.5mm-2.0mm, and groove depth is 3.0mm-3.5mm, each Arm 30 is all hollow legn, and the gripper shoe 32 being respectively arranged with its arm pipe between corresponding two grooves 31；Meanwhile, The cross-sectional area of arm 30 is more than the cross-sectional area of head frame 20, and width of the support arm 30 in the groove width direction of groove 31 most cans be compared to Conventional support arm widens 17%, so also contributes to lift the anti-twisting property of tennis racket square stance.

This utility model is described in detail above in conjunction with accompanying drawing, but embodiment of the present utility model not only It is limited to above-mentioned embodiment, those skilled in the art can make various modifications according to prior art, such as exist to this utility model Snubber block 50 etc. is also provided with first frame portion 22, these belong to protection domain of the present utility model.

Claims (6)

1. a kind of antitorque tennis racket, including the lever for gripping, is formed with the head frame of multiple through wires holes and is used to connect described The support arm of lever and the head frame, it is characterised in that the support arm has two, and two support arms are collectively forming with the head frame Triangle part, the opposite side of each support arm and opposite side be respectively provided with it is fluted, each groove be located at it is same In plane.

2. antitorque tennis racket as claimed in claim 1, it is characterised in that the groove width of the groove is 0.5mm-2.0mm, described The groove depth of groove is 3.0mm-3.5mm.

3. antitorque tennis racket as claimed in claim 1, it is characterised in that be respectively arranged with the arm pipe of each support arm and be located at Gripper shoe between corresponding two grooves.

4. antitorque tennis racket as claimed in claim 1, it is characterised in that the area of the cross section of the support arm is more than the head The area of the cross section of frame.

5. the antitorque tennis racket as described in any claim in claim 1-4, it is characterised in that each through wires hole is located at On same plane and the planar shaped is into face, the head frame ovalize, and the oval major axis be located at the lever it is same On one straight line, the inner side of the head frame has an air inducing face respectively positioned at the through wires hole both sides, and two air inducing faces are prolonged Long face is intersected on the face.

6. antitorque tennis racket as claimed in claim 5, it is characterised in that face with the air inducing on the cross section of the head frame The lines answered are circular arc line, and the radius of the circular arc line is 40mm-41mm.