CN201978421U

CN201978421U - Thread nail structure for racket

Info

Publication number: CN201978421U
Application number: CN2010206815450U
Authority: CN
Inventors: 石本彰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2011-09-21
Anticipated expiration: 2020-12-27

Abstract

The utility model provides a thread nail structure for a racket, which is assembled in a thread penetrating hole of a racket frame, is hollow and tubular and is provided with a through hole for a racket thread to penetrate through, wherein the thread nail structure is provided with a body part capable of being correspondingly arranged in the thread penetrating hole in a penetrating way, and the top end of the body part is expanded outwards to form a head part; the through hole runs through from the head part to the body part, circular arc-shaped surfaces connected with the through hole are respectively arranged at the two sides of the top surface of the head part towards adjacent thread penetrating holes, and leaning surfaces capable of correspondingly leaning against the peripheries of the thread penetrating holes are formed on the bottom surface of the head part. With the adoption of the thread nail structure, the thread penetrating of the racket thread is pretty smooth, the right-angle bending cannot be caused, the friction in thread penetrating can be effectively reduced and the racket thread can have extremely excellent elasticity and tension after the penetrating; moreover, the entire tension of a mesh thread of the racket thread after the penetrating can be uniformly dispersed; as the direct contact between the racket thread and the rim of the racket frame can be avoided, the service life of the racket thread can be effectively prolonged.

Description

Racket XIAN pin structure

Technical field

The utility model is relevant with racket structure, is meant a kind of racket XIAN pin structure especially.

Background technology

In the prior art, racquet frame and racket XIAN wear the group structure, as Fig. 5 and shown in Figure 6, be on the ring side of racquet frame 51, to be equipped with to wear XIAN hole 53 for what racket XIAN 52 wore group, and wear at this and to be equipped with the XIAN nail 54 that is hollow tubular tool pooling feature in XIAN hole 53, and owing to this XIAN nail 54 for plastic cement material has certain softness, therefore can avoid racket XIAN 52 when wearing group, directly to wear the EDGE CONTACT in XIAN hole 53 with this, thus the service life of prolongation racket XIAN 52.

Yet, existing XIAN follows closely 54 structural group and is located at when wearing XIAN hole 53, can cause racket XIAN 52 when wearing XIAN, to be formed with to be close to the bending place D at right angle, the friction when drawing XIAN, more can have influence on the persistence of racket XIAN 52 tension force and hinder the ball-handling performance of racket integral body except the meeting increase.

For another shown in Figure 7, wear the group structure for another kind of racquet frame in the prior art and racket XIAN, it mainly is directly to make the 62 outer side edges both sides, XIAN hole of wearing of racquet frame 61 circular-arc, thereby form the function of existing XIAN pin structure, yet this kind structure not only quite bothers on making, and have racket XIAN 63 after wearing group, had the shortcoming of the racquet frame 61 architraves wearing and tearing of higher hardness easily; And, lacked the available pooling feature of XIAN pin structure, more will have influence on racket XIAN 63 after wearing group, cause the situation of the whole tension force inequality of net XIAN to produce easily.

Therefore, with regard to existing on the market racket XIAN at present wears the group structure, still have not reach and improve and still have can improvements, so the present utility model people just has generation of the present utility model finally through after constantly thinking hard and studying.

The utility model content

Main purpose of the present utility model is to provide a kind of racket XIAN pin structure, it can make racket XIAN comparatively smooth when wearing XIAN, and can not produce the bending that is close to the right angle, and thereby effectively reduce the friction phenomenon that is produced when drawing XIAN, and can guarantee that racket XIAN has splendid elasticity and tension force after wearing group.

Another purpose of the present utility model is to provide a kind of racket XIAN pin structure, and it can make the whole tension force of the net XIAN of racket XIAN after wearing group evenly disperse, and more can avoid racket XIAN directly to contact with the racquet frame architrave and effectively prolong racket XIAN service life.

To achieve these goals, the utility model is by the following technical solutions:

A kind of racket XIAN pin structure, it is located at wearing in the XIAN hole of racquet frame in order to group, and this XIAN pin structure is hollow tubular and has the through hole that can wear for racket XIAN, wherein:

This XIAN pin structure has a body portion that can corresponding be arranged in the XIAN hole, and extend out on this body portion top and to be formed with the head that generally is square, this through hole is connected to this body portion by this head, and the end face of this head has the arc surface that joins with this through hole respectively in the both sides towards the adjacent XIAN of wearing hole, and is formed with in the bottom surface of this head and can corresponding be posted by this and wears bearing surface on the XIAN hole peripheral.

Aforesaid racket XIAN pin structure, wherein, the arc surface of described head both sides is slightly recessed towards the middle position of its circular arc direction respectively.

Aforesaid racket XIAN pin structure, wherein, described racquet frame is hollow and annular and has an outer wall and an inwall, and wear the group place for racket XIAN and be provided with the circular arc arch respectively in the both sides, XIAN hole of wearing of its outer wall, and the adjacent circular arc arch shape of the bearing surface shape of described head bottom surface and this racquet frame outer wall two is corresponding.

Aforesaid racket XIAN pin structure, wherein, to wear the group place for racket XIAN be flat in the both sides, XIAN hole of wearing of described racquet frame outer wall, and the bearing surface of described head bottom surface is corresponding with the flat shape of this racquet frame outer wall.

The beneficial effects of the utility model are:

Racket of the present utility model XIAN pin structure, it can make racket XIAN comparatively smooth when wearing XIAN, and can not produce the bending that is close to the right angle, and thereby effectively reduce the friction phenomenon that is produced when drawing XIAN, and can guarantee that racket XIAN has splendid elasticity and tension force after wearing group; It also has can evenly disperse the whole tension force of the net XIAN of racket XIAN after wearing group, and more can avoid racket XIAN directly to contact with the racquet frame architrave and effectively prolong the racket XIAN effect in service life.

Description of drawings

Fig. 1 is a schematic perspective view of the present utility model.

Structural representation when Fig. 2 is located at racquet frame ring side for the utility model group.

Fig. 3 is a user mode schematic diagram of the present utility model, to show racquet frame of the present utility model and the state of racket XIAN after wearing group.

Fig. 4 is the user mode schematic diagram of another embodiment of the utility model.

Fig. 5 is for having the schematic diagram that racquet frame and racket XIAN wear the group structure now.

Fig. 6 is existing racquet frame and the view of racket XIAN after wearing group.

Fig. 7 is another kind of existing racquet frame and the view of racket XIAN after wearing group.

The specific embodiment

Embodiment 1

At first, see also Fig. 1 and Fig. 2, a kind of racket provided by the utility model is with first embodiment of XIAN pin structure, and this XIAN pin structure 11 is to be mounted on the wearing in the XIAN hole 24, wherein an of racquet frame 21 in order to coaxial:

This racquet frame 21 is hollow and annular and has an outer wall 22 and an inwall 23, along the ring side of this racquet frame 21 be equipped with a plurality of connect its outer wall 22 and inwall 23 simultaneously wear XIAN hole 24, and wear the group place for racket XIAN and form a circular arc arch 25 respectively in 24 both sides, XIAN hole of wearing of its outer wall 22.

This XIAN pin structure 11 is hollow tubulars of being made by plastic cement material, and has a through hole 12 that can wear for racket XIAN, and this XIAN pin structure 11 has one and can corresponding be arranged in this and wear body portion 13 in the XIAN hole 24, and extend out on these body portion 13 tops and to be formed with the head 14 that without exception is square, and this through hole 12 is connected to this body portion 13 by this head 14, and the end face of this head 14 has an arc surface 141 that joins with this through hole 12 respectively in the both sides towards the adjacent XIAN of wearing hole 24, and the arc surface 141 of these head 14 both sides is slightly recessed towards the middle position of its circular arc direction more respectively, and be formed with in the bottom surface of this head 14 one with 22 liang of adjacent corresponding bearing surfaces 142 of circular arc arch 25 shapes of these racquet frame 21 outer walls, and head 14 bottom surfaces of this XIAN pin structure 11 can corresponding be posted by on this periphery of wearing XIAN hole 24.

And via the composition of said structure, as shown in Figure 3, when racket XIAN 31 being extended through in the XIAN pin structure 11 of respectively wearing XIAN hole 24, head 14 formed arc surfaces 141 by this XIAN pin structure 11, make racket XIAN 31 when wearing XIAN, can be circular-arc bending and comparatively smooth along this arc surface 141, and can not produce the bending that is close to the right angle, thereby the friction phenomenon that can effectively reduce when drawing XIAN to be produced, and because this arc surface 141 is also slightly recessed towards the middle position of its circular arc direction respectively, therefore more can make racket XIAN 31 when drawing the XIAN action, can provide a guide function and the difficult situation that produces crooked skew, and more can guarantee the elasticity and the tension force of racket XIAN 31 after wearing group.

Moreover, owing to XIAN pin structure 11 of the present utility model is to be made by plastic cement material to have certain softness, therefore more can provide a pooling feature, and the whole tension force of the net XIAN of racket XIAN 31 after wearing group can evenly be disperseed, and more can avoid racket XIAN 31 directly to contact and effectively prolong service life of racket XIAN 31 with racquet frame 21 architraves.

Embodiment 2

Then please continue to consult Fig. 4, be second embodiment of the present utility model, and the difference of itself and above-mentioned first embodiment is, 24 both sides, XIAN hole of wearing of these racquet frame 21 outer walls are worn the group place for racket XIAN 31 and are shaped to flat, and the bottom surface of the head 14 of the utility model XIAN pin structure 11 be formed with one with the corresponding bearing surface 142b of these racquet frame 21 outer wall flat shape, so that this XIAN pin structure 11 is arranged in this when wearing in the XIAN hole 24 with its body portion 13, the bottom surface of this head 14 still can corresponding be posted by on this periphery of wearing XIAN hole 24.And hence one can see that, no matter the ring side of XIAN pin structure 11 racquet frame 21 of the present utility model is the continuous circular arc shape or flat is all applicable, and head 14 formed arc surface 141 designs by this XIAN pin structure 11, and can reach the friction that reduces when drawing XIAN equally, and guarantee elasticity and the tension force of racket XIAN 31 after wearing group, and many effects that can effectively prolong the service life of racket XIAN 31.

Just, the announcement of the above embodiment is not in order to restriction the utility model, so the displacement of the change of the change of all external forms, numerical value or equivalence element must belong to protection category of the present utility model only in order to explanation the utility model.

In sum, the utility model has had suitable progressive and practicality, and after above detailed description, can make the clear the utility model of those skilled in the art can reach aforementioned purpose really, the real regulation that has met Patent Law is so the inventor files an application then in accordance with the law.

Claims

1. racket XIAN pin structure, its group is located at wearing in the XIAN hole of racquet frame, and this XIAN pin structure is hollow tubular and has the through hole that can wear for racket XIAN, it is characterized in that:

Described XIAN pin structure has a body portion that can corresponding be arranged in the XIAN hole, and be provided with the head that extends out on this body portion top, described through hole is connected to this body portion by this head, and the end face of this head has the arc surface that joins with this through hole respectively in the both sides towards the adjacent XIAN of wearing hole, and is formed with in the bottom surface of this head and can corresponding be posted by this and wears bearing surface on the XIAN hole peripheral.

2. racket XIAN pin structure as claimed in claim 1 is characterized in that: the arc surface of described head both sides is recessed towards the middle position of its circular arc direction respectively.

3. racket XIAN pin structure as claimed in claim 2, it is characterized in that: described racquet frame is hollow and annular and has an outer wall and an inwall, and wear the group place for racket XIAN and be provided with the circular arc arch respectively in the both sides, XIAN hole of wearing of its outer wall, and the adjacent circular arc arch shape of the bearing surface shape of described head bottom surface and this racquet frame outer wall two is corresponding.

4. racket XIAN pin structure as claimed in claim 2 is characterized in that: to wear the group place for racket XIAN be flat in the both sides, XIAN hole of wearing of described racquet frame outer wall, and the bearing surface of described head bottom surface is corresponding with the flat shape of this racquet frame outer wall.