CN2624980Y

CN2624980Y - Improved threading machine for rackets

Info

Publication number: CN2624980Y
Application number: CN 03257437
Authority: CN
Inventors: 黄淑娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-13
Filing date: 2003-05-13
Publication date: 2004-07-14
Anticipated expiration: 2013-05-13

Abstract

An improved racquet stringing machine is provided, which comprises a base, a revolving platform, and a tear tape device. The revolving platform opens more than one sliding slots on the both sides of a longer axis separately, for positioning one supporting arm extending upward respectively; a racquet fixture is provided on the top end of each supporting arm for fixing the racquet frame; a shift device is provided on the bottom of the revolving platform and each shift piece is fixedly connected with the bottom of the support arm of the racquet fixture respectively. The utility model can fix the racquet frame of different sizes on the revolving center of the revolving platform, which makes the distance between the racquet frame and the tear tape device the same no matter whether the revolving platform revolves to the longer axis or the shorter axis, and makes the tension brace poundage of the racquet tear tape positioned by the racquet frame the same. The utility model provides a guide member between the shift piece and the revolving platform, which can guide the shift piece to shift and make the shift piece shift more smoothly. The utility model can not make the racquet tear tape hooked or locked on the bottom of the revolving platform, thus can not affect the action of stringing.

Description

Improved racket threader

Technical field

The utility model relates to a kind of racket threader, relate in particular to a kind of make racket string can dogging to the bottom of turntable, make two racket fixtures move the improved racket threader of adjusting distance simultaneously.

Background technology

As shown in Figure 6, be a kind of existing racket threader, it mainly is to be provided with a rotatable rotary platform 71 on a pedestal 7, this pedestal 7 is provided with an anchoring 72 in order to control racket string degree of tightness in a side of this turntable 71, this turntable 71 is provided with two support arms 81, the top of each support arm 81 is respectively equipped with a racket fixture 8, for fixing a racquet frame.

Because this racquet frame has the branch of size, for example the racquet frame of tennis racket and racket varies in size, so this support arm 81 must move on turntable 71, to adjust the distance of 8 of two racket fixtures, with the racquet frame that are applicable to that difference is big or small.Aforementioned existing racket threader, as shown in Figure 7, it is to be provided with two chutes 711 on this turntable 71, establish this support arm 81 for sliding respectively, the bottom of this support arm 81 has a screw 82, and a bolt 83 is upwards stretched through by the bottom of this turntable 71 and is locked in the screw 82 of this support arm 8 behind this chute 711, and the cross bar 84 that stretches through in the bottom of this nut 83, rotate these nuts 83 to push against by this cross bar 84 in the bottom of turntable 71, and fix this support arm 81, or unscrew this bolt 83, make this support arm 8 removable, to adjust the distance of 8 of two racket fixtures.

Yet this two support arm 81 is to adjust separately respectively to move, as shown in Figure 8, therefore in the distance of adjusting 81 of two support arms, when making this racket fixture 8 fix this racquet frame 9, this racquet frame 9 is difficult for being fixed in the center 712 of these turntable 71 rotations, especially when the racquet frame 9 of different sizes is replaced, because 81 displacements of two support arms are longer, make the racquet frame 9 more difficult pivots 712 that are fixed on this turntable 71, even can be offset from a side of this turntable 71, thus, when turntable 71 in rotation during threading, when this turntable 71 rotated to major axis or minor axis location, this racquet frame 9 to the distance of this anchoring 72 can constantly change, the backguy distance of anchoring 72 is constantly changed, and cause the poundage inequality of each racket string stay bolt of this racquet frame 9.

Moreover, though this cross bar 84 is positioned at the bottom of turntable 71, but this turntable 71 rotates on pedestal 7, therefore when turntable 71 rotates threading, the cross bar 84 of these turntable 71 bottoms can outer expose outside, make the rotation frequently of the racket string that is not through at as yet on the racquet frame, and be hooked to this cross bar 84, cause difficulty and inconvenience at threading because of turntable 71.

The utility model content

In order to overcome the above-mentioned shortcoming that existing racket threader exists, the utility model provides a kind of improved racket threader, the utility model can all be fixed in the racquet frame of different sizes the pivot of this turntable, no matter when making the racquet frame turntable rotate to major axis or minor axis location, it is all identical with backguy distance between this anchoring, and makes the stay bolt poundage of the racket string that racquet frame wears all identical.The utility model is provided with guide member between this moving member and turntable, can guide moving of this moving member, makes moving of moving member more smooth and easy.It makes racket string can not arrive the bottom of this turntable by dogging, and can not influence the action of threading.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of improved racket threader, turntable, the pedestal of comprise pedestal, being located on the pedestal are provided with an anchoring in order to control racket string degree of tightness in a side of turntable; It is characterized in that, described turntable is offered one respectively with upper hopper chute at the two ends of major axis, for a upwardly extending support arm is set respectively, each support arm by a mobile device drive simultaneously along each chute direction relative near with away from moving, the top of each support arm is respectively equipped with a racket fixture, supplies fixedly racquet frame; Described mobile device is located at the bottom of this turntable, this mobile device has a driving member and two moving members, this driving member has the thread segment of the two different hands of spiral, each thread segment spiral shell is respectively established moving member, make this moving member can relative near with away from moving, each moving member is fixed in the bottom of the support arm of this racket fixture respectively.

Aforesaid improved racket threader, wherein the end face of turntable offers two chutes respectively at the two ends of major axis, corresponding each chute of the end face of each moving member of this mobile device protrudes out a protruding rail respectively, and this protruding rail stretches out this chute and is fixed at the bottom of the support arm of this racket fixture.

Aforesaid improved racket threader wherein is provided with guide member between the moving member of mobile device and turntable, moves for this moving member of guiding.

Aforesaid improved racket threader, wherein the driving member of mobile device is one to have the screw rod of two sections different hands of spiral.

Aforesaid improved racket threader, wherein turntable is to be the disk body of sealing shaped as frame by three long rectangles and minor axis cross section, admittedly form with the side of its major axis spiral shell connected with each other, this mobile device is located at the inside of the disk body in the middle of this turntable, the two ends of the driving member of this mobile device are located in the two ends of this disk body respectively, the two ends of this driving member extend to this disk body outside respectively and are provided with a knob, for this driving member of turn, each contact-making surface of the moving member of this mobile device and the middle disk body of this turntable is provided with guide member, for moving of this moving member of guiding.

Aforesaid improved racket threader, wherein the end face of moving member and bottom surface are respectively equipped with the guide groove of several tool taperings, the bottom surface, top of corresponding each guide groove is respectively equipped with the guide rail that matches with each guide groove tapering in the disk body in the middle of this turntable, moves in this disk body for this moving member of guiding.

The beneficial effects of the utility model are, the racquet frame of different sizes all can be fixed in the pivot of this turntable, no matter when making the racquet frame turntable rotate to major axis or minor axis location, it is all identical with backguy distance between this anchoring, and makes the stay bolt poundage of the racket string that racquet frame wears all identical.The utility model is provided with guide member between this moving member and turntable, can guide moving of this moving member, makes moving of moving member more smooth and easy.It makes racket string can not arrive the bottom of this turntable by dogging, and can not have influence on the action of threading.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the overall appearance schematic diagram of the utility model racket threader

Fig. 2 is the cutaway view of 2-2 line shown in Figure 1

Fig. 3 is the cutaway view of 3-3 line shown in Figure 1

Fig. 4 is that the utility model mobile device drives the schematic diagram that two support arms move to the centre simultaneously

Fig. 5 is the schematic diagram that the utility model racquet frame is fixed in the turntable pivot

Fig. 6 is the schematic appearance of existing racket threader

Fig. 7 is the schematic diagram that existing racket threader support arm is adjusted

Fig. 8 is the schematic diagram that existing racket threader racquet frame is difficult for being fixed on the turntable pivot

The specific embodiment

See also Fig. 1 to Fig. 3. shown in, the improved racket threader of the utility model, be on a pedestal 1, to be provided with a rotatable rotary platform 2, this pedestal 1 is provided with an anchoring 3 in order to control racket string degree of tightness in a side of turntable 2, this turntable 2 in the present embodiment, be to be the disk body 21 of sealing shaped as frame by three long rectangles and minor axis cross section, admittedly form with the side of its major axis spiral shell connected with each other, the end face of disk body 21 is offered two chutes 22 respectively at the two ends of its major axis in the middle of this turntable 2, for a upwardly extending support arm 41 is set respectively, each support arm 41 be by a mobile device 5 drive simultaneously along each chute 22 direction relative near with away from moving, and the top of each support arm 41 is respectively equipped with a racket fixture 4, supplies fixedly racquet frame.

This mobile device 5 is located at the bottom of this turntable 2, in the present embodiment, this mobile device 5 is located at the inside of the disk body 21 in the middle of this turntable 2, this mobile device 5 has a driving member 51 and two moving members 52, this driving member 51 has the thread segment 511 of the two different hands of spiral, in the present embodiment, this driving member 51 is one to have the screw rod of two sections different hands of spiral, and each thread segment 511 is established for these moving member 52 spiral shells respectively.Drive by the rotation of this driving member 51, make this moving member 52 can be in the inside of the disk body 21 in the middle of this turntable 2 relative near with away from moving, and the two ends of this driving member 51 are located in the two ends of the disk body 21 of these turntable 2 centres respectively.The two ends of this driving member 51 extend to disk body 21 outsides respectively and are provided with a knob 512, for this driving member 51 of turn, the end face of each moving member 52 protrudes out a protruding rail 521 respectively to each chute 22 that should disk body 21, for stretching out this chute 22 and being fixed at the bottom of the support arm 41 of this racket fixture 4.

Be provided with guide member between the bottom of this moving member 52 and turntable 2, move for this moving member 52 of guiding, in the present embodiment, this guide member is the guide groove 522 that is respectively equipped with several tool taperings in the end face of this moving member 52 and bottom surface, top, the bottom surface of corresponding each guide groove 522 are respectively equipped with the guide rail 211 that matches with this guide groove 522 taperings in this disk body 21, move in disk body 21 for this moving member 52 of guiding.

Whereby, adjust the distance of 5 of two support arms, 41 top racket fixtures, when fixing this racquet frame, as shown in Figure 4, it is to rotate this knob 512 to drive this driving member 51 rotations, because two thread segments 511 of this driving member 51 have the screw thread of different directions respectively, therefore, each moving member 52 is moved to the centre simultaneously, and then make each support arm 41 drive this racket fixture 4 simultaneously to move, to fix this racquet frame to the centre.

Because two thread segments 511 of this driving member 51 have the screw thread of different directions respectively, make that each moving member 52 can be simultaneously close to the centre, and racquet frame 6 is fixed in the pivot of this turntable 2, as shown in Figure 5, no matter and the size of racquet frame 6 all is fixed in the pivot of this turntable 2, no matter and when making racquet frame 6 turntables 2 rotate to major axis or minor axis location, it is all identical with backguy distance between this anchoring, and make the stay bolt poundage of the racket string that racquet frame 6 worn all identical.

Moreover, because this moving member 52 and the guide rail 211 that the contact-making surface of this disk body 21 is respectively equipped with several guide grooves 522 and matches can be guided moving of this moving member 52, make moving of this moving member 52 more smooth and easy.And this guide groove 522 has the tapering that matches with this guide rail 211, because when threading, the support arm 41 of this racket fixture 4 is subjected to the strength of backguy and contracts closely to the centre, the movable block 52 that makes these support arm 41 bottoms relatively away from an end perk, when threading was finished the disappearance of tension strength, this moving member 52 made the position of moving member 52 correctings in this disk body 21 because of the tapering that guide groove 522 and this guide rail 211 match, and can not hold disk body 21, two moving members 52 can smooth and easyly be moved.

In addition, this mobile device 5 is disk body 21 inside of being located in the middle of this turntable 2, and can not expose to the bottom of this turntable 2, so this turntable 2 is when the rotation threading, racket string can dogging to the bottom of turntable 2, and can not influence the action of threading.

Claims

1, a kind of improved racket threader, turntable, the pedestal of comprise pedestal, being located on the pedestal are provided with an anchoring in order to control racket string degree of tightness in a side of turntable; It is characterized in that described turntable is offered one respectively with upper hopper chute at the two ends of major axis, for respectively a upwardly extending support arm being set, the top of each support arm is respectively equipped with a racket fixture, supplies fixedly racquet frame;

Described mobile device is located at the bottom of this turntable, this mobile device has a driving member and two moving members, this driving member has the thread segment of the two different hands of spiral, and each thread segment spiral shell is respectively established moving member, and each moving member is fixed in the bottom of the support arm of this racket fixture respectively.

2, improved racket threader according to claim 1, the end face that it is characterized in that described turntable offers two chutes respectively at the two ends of major axis, corresponding each chute of the end face of each moving member of this mobile device protrudes out a protruding rail respectively, and this protruding rail stretches out this chute and is fixed at the bottom of the support arm of this racket fixture.

3, improved racket threader according to claim 1 is characterized in that being provided with guide member between the moving member of described mobile device and turntable.

4, improved racket threader according to claim 1, the driving member that it is characterized in that described mobile device are one to have the screw rod of two sections different hands of spiral.

5, improved racket threader according to claim 1, it is characterized in that described turntable is is the disk body of sealing shaped as frame by three long rectangles and minor axis cross section, admittedly form with the side of its major axis spiral shell connected with each other, this mobile device is located at the inside of the disk body in the middle of this turntable, the two ends of the driving member of this mobile device are located in the two ends of this disk body respectively, the two ends of this driving member extend to this disk body outside respectively and are provided with a knob, each contact-making surface of the moving member of this mobile device and the middle disk body of this turntable is provided with guide member, for moving of this moving member of guiding.

6, improved racket threader according to claim 5, it is characterized in that the end face of described moving member and the guide groove that the bottom surface is respectively equipped with several tool taperings, the bottom surface, top of corresponding each guide groove is respectively equipped with the guide rail that matches with each guide groove tapering in the disk body in the middle of this turntable.