CN1509784A - Improved racket threading machines - Google Patents
Improved racket threading machines Download PDFInfo
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- CN1509784A CN1509784A CNA021580219A CN02158021A CN1509784A CN 1509784 A CN1509784 A CN 1509784A CN A021580219 A CNA021580219 A CN A021580219A CN 02158021 A CN02158021 A CN 02158021A CN 1509784 A CN1509784 A CN 1509784A
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- disk body
- rotating disc
- pedestal
- side panel
- groove
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Abstract
An improved threading machine for racket is composed of a base, a string pulling unit arranged at one end of said base for controlling the tension of stringson racket, and a horizontally rotary disk consisting of more than two rectangular plates which has an enclosed frame and is made up by die pessing. Said rotary disk has more than one central slot and two slide slots at both sides of said central slot. Its advantages are small size, light weight, low cost and high strength.
Description
Technical field
The present invention relates to a kind of racket threader, relate in particular to a kind of volume-diminished that makes the disk body of rotating disc, and reduce the improved racket threader of mould and extrusion modling facility expense and manufacturing cost.
Background technology
As shown in Figure 8, it is a kind of existing racket threader, it is that a end at a pedestal 6 is provided with an anchoring 61 in order to control racket string degree of tension, the other end then is provided with a rotating disc that can horizontally rotate 62, the two ends of this rotating disc 62 are respectively equipped with an adjustable shelf 7, with fixing racket, this rotating disc 62 is provided with two tension disks 8, with the clamping racket string.
For a long time, the rotating disc 62 of this threader is to make a disk body with iron or aluminium through casting or injection molding method, this rotating disc 62 supplies this adjustable shelf 7 and tension disk 8 are set, and the bottom of rotating disc 62 is provided with several reinforced ribs 621, to strengthen the intensity of rotating disc 62.
Because racket is when threading, each section string of a musical instrument of relative two ends of tension racket all has seven, 80 pounds tension force, and therefore, this rotating disc 62 must bear the strength of kip.Though these rotating disc 62 bottoms are provided with reinforced ribs 621 to gain in strength, the bottom of each reinforced ribs 621 does not but link to each other, and as shown in Figure 9, makes rotating disc 62 can't form the shaped as frame of a sealing, and so, the intensity of rotating disc 62 is still not enough, also produces distortion.
Therefore, the artificial yielding shortcoming of aforementioned existing rotating disc of improving of this creation, and desire designs the rotating disc of another kind of structure, its conception is to make a rotating disc 63 in the mode of squeezing type, as shown in figure 10, the lateral cross section of this rotating disc 63 is the flat frame of a sealing, and is provided with the reinforced ribs 631 that several connect top, bottom in this flat frame, wishes by the flat frame that seals to gain in strength.
Yet this rotating disc 63 has certain volume, and is very huge no matter be to offer the expense of aluminium extruded shape mould or the expense of extrusion modling facility therefore, thus, makes that the cost of this rotating disc 63 is high, and can't have the market competitiveness.
Moreover, because the volume of this rotating disc 63 is bigger, therefore when mould designs, circulating fast for making the aluminium material, its runner just wall thickness of rotating disc 63 can't reduce, and whole weight is increased, and cost is improved.
Summary of the invention
In order to overcome its rotating disc insufficient strength that existing racket threader exists, yielding, and volume is bigger, the shortcoming that cost is high, the invention provides a kind of improved racket threader, its rotating disc is to form with the disk body more than two, can make the volume-diminished of each disk body, and reduce the expense and the manufacturing cost of mould and extrusion modling facility, again because of the volume-diminished of each disk body, and make the mold runner of manufacturing disk body less, and then the wall thickness that makes disk body do not influencing under the intensity thinlyyer relatively, can alleviate whole weight, moreover, because the cross section of each disk body is the shaped as frame of sealing, can't reduce intensity.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of improved racket threader, it has a pedestal, and an end of this pedestal is provided with an anchoring, and with the degree of tension of control racket gut, the other end of pedestal is provided with a rotating disc that can horizontally rotate; It is characterized in that, described rotating disc is by long rectangle disk body more than two, form so that the side of its major axis is connected with each other, each disk body then is to squeeze the type mode, be made into the shaped as frame of the cross section vertical for sealing with the disk body long axis direction, offer more than one groove in the middle of the end face of this rotating disc, the both sides that this rotating disc is positioned at this groove offer a chute respectively.
Aforesaid improved racket threader, wherein rotating disc is to be bonded with each other by a middle disk body and two side panel bodies to form, this centre disk body and side panel body are all to squeeze the mode of type, making becomes the shaped as frame of the cross section vertical with the disk body long axis direction for sealing, this rotating disc is left and right connected with each other with the major axis side of two side panel bodies and this centre disk body, and fix as one in the screw lock mode, and the middle disk body of this rotating disc is to articulate with a rotating shaft and this pedestal.
Aforesaid improved racket threader, the both sides of disk body are one-body molded when extrusion modling respectively wherein two obliquely caulking grooves, the end face two ends of this centre disk body have groove respectively, and two side panel bodies are symmetry shape, the side that each side panel body engages with middle disk body protrudes out a lug obliquely respectively to caulking groove place that should the telophragma body, each lug is one-body molded when extrusion modling, in the chimeric caulking groove that is positioned this centre disk body, the bottom of this side panel body spiral shell that makes progress is established a bolt, to support under the pressure of this lug build-in in this caulking groove, the end face of each side panel body offers chute respectively.
Aforesaid improved racket threader, the wherein another side that relatively engages of each a side panel body one-body molded groove when extrusion modling respectively with middle disk body.
Aforesaid improved racket threader, the bottom of the end face of each side panel body wherein, one-body molded when extrusion modling respectively have two reinforced ribs, and the end face of each side panel body between two reinforced ribs offers this chute respectively.
Aforesaid improved racket threader, wherein pedestal is formed by two pedestal relative bondings, and wherein a pedestal is provided with rotating shaft, for articulating this rotating disc, this pedestal is to make in the mode of squeezing type to become the cuboid that lateral cross section is the sealing shaped as frame, and is that screw lock is affixed between two pedestals.
Aforesaid improved racket threader, wherein the end face of pedestal offers the track of one or more, establishes for described anchoring cunning, and the another side of this pedestal relative bonding is one-body molded when extrusion modling respectively a groove.
The invention has the beneficial effects as follows, its rotating disc is to form with the disk body more than two, can make the volume-diminished of each disk body, and reduce the expense and the manufacturing cost of mould and extrusion modling facility, again because of the volume-diminished of each disk body, and make the mold runner of manufacturing disk body less, and then the wall thickness that makes disk body do not influencing under the intensity thinlyyer relatively, can alleviate whole weight, moreover, because the cross section of each disk body is the shaped as frame of sealing, can't reduce intensity.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a three-dimensional appearance schematic diagram of the present invention
Fig. 2 is the exploded perspective schematic diagram of rotating disc of the present invention
Fig. 3 is the combination schematic perspective view of rotating disc of the present invention
Fig. 4 is the cutaway view of rotating disc of the present invention
Fig. 5 is the schematic diagram of second embodiment of the invention
Fig. 6 is a 6-6 line cutaway view shown in Figure 5
Fig. 7 is the schematic diagram of third embodiment of the invention
Fig. 8 is the schematic appearance of existing racket threader
Fig. 9 is the cutaway view of rotating disc shown in Figure 7
Figure 10 is the cutaway view of another kind of existing rotating disc
Annex is the related data explanation of hard positive treatment technology
The specific embodiment
See also Fig. 1 to Fig. 4, threader of the present invention comprises a pedestal 1, an anchoring 2 and a rotating disc 3, and an end of this pedestal 1 is provided with anchoring 2, with the degree of tightness of control racket gut, the other end of pedestal 1 then is provided with rotating disc 3, and this rotating disc 3 can horizontally rotate on pedestal 1.
This rotating disc 3 is by the disk body of long rectangle more than two, the major axis side is connected with each other forms with it, in the present embodiment, this rotating disc 3 is to be bonded with each other by a middle disk body 31 and two side panel bodies 32,33 to form, this centre disk body 31 and side panel body 32,33 are all to squeeze the type mode, be made into the cross section vertical and be the sealing shaped as frame with the disk body long axis direction, this rotating disc 3 is with the left and right level of long side surface of two side panel bodies 32,33 and connects middle disk body 31, and fix as one in the screw lock mode, and this rotating disc 3 is to articulate with this centre disk body 31 and this pedestal 1.
Two long side surfaces of this centre disk body 31 are one-body molded when extrusion modling respectively to be two obliquely caulking grooves 311, and the end face of this centre disk body 31 has more than one groove 312, for solid two adjustable shelfs 4 of bolt, this adjustable shelf 4 supplies fixedly racket, and by these adjustable shelf 4 relative slippages, with the rackets of distance of adjusting 4 of two adjustable shelfs to be applicable to that difference is big or small.
This two side panels body 32,33 is a symmetry shape, and the side that each side panel body 32,33 engages with middle disk body 31 also protrudes out obliquely a lug 321,331 respectively to caulking groove 311 that should telophragma body 31.Each lug 321,331 is one-body molded when extrusion modling, and for location in the caulking groove 311 that is embedded in this centre disk body 31, the bottom of this side panel body 32,33 spiral shell that makes progress is established a bolt 34, with under the pressure of this lug 321,331.Because this lug 321,331 and this caulking groove 311 are to join with the inclined-plane, this lug 321,331 is pushed against in caulking groove 311, and make left and right side panel body 32,33 and middle disk body 31 firm engagement, and the bottom of the end face of each side panel body 32,33, one-body molded when extrusion modling respectively have two reinforced ribs 324,334.Each side panel body 32,33 offers a chute 322,332 respectively at the end face of 324,334 of two reinforced ribs, solid for a tension disk 5 bolts, this tension disk 5 is moved on this chute 322,332, and another sides that each side panel body 32,33 engages with middle disk body 31 relatively are one-body molded when extrusion modling respectively a groove 323,333 arranged, also supply to be embedded leader's (not shown) with the intensity that increases side panel body 32,33, for rotating this rotating disc 3.
Because this centre disk body 31 and left and right side disk body 32,33 are the aluminium extruded shape with extrusion modling, therefore this centre disk body 31 can cut by the length of rotating disc 3 with the length of left and right side disk body 32,33, and makes the free degree height of rotating disc 3 designs.
Moreover, this rotating disc 3 is to form with 32,33 3 disk bodies of middle disk body 31 and left and right side disk body, and the cross-sectional area of each disk body is dwindled, make and when extruding is made, needn't offer huge mould as prior art, and the expense of reduction mould and extrusion modling facility reduces manufacturing cost.
And because dwindling of mould make runner less, and then the wall thickness that makes disk body do not influencing under the intensity thinlyyer relatively, and alleviates whole weight, when actual studying, and the existing aluminum rotating disc that the penetrates 5kg that weighs, and the rotating disc of the present invention 2kg that only has an appointment.Simultaneously, this centre disk body 31 and the long cuboid of side panel body 32,33 for the sealing shaped as frame, and then through positive the processing to gain in strength really up to the mark, affixed in the screw lock mode more afterwards is a rotating disc 3, therefore, this rotating disc 3 can not reduce due intensity when producing aforementioned effect.Above-mentioned hard sun is treated to a kind of known common process for treating surface, is particularly useful for aluminium, and the aluminium case hardness is improved.It is the grasp (seeing Appendix) that common heat treatment technics personnel can both be skilled that this hard sun is handled.
Certainly, still there are many examples in the present invention, only the variation on the details sees also Fig. 5 and shown in Figure 6 therebetween, it is the second embodiment of the present invention, one-body molded when extrusion modling respectively on the end face of its this left and right disk body 32,33 have a storage tank 324,334, each storage tank the 324, the 334th is embedded for a slide rail 325,335, makes this tension disk 5 have better shuffle effect.
See also shown in Figure 7, it is the third embodiment of the present invention, wherein this pedestal 1 is to be formed by two pedestal 11 relative bondings, wherein a pedestal 11 is provided with a rotating shaft 12, for articulating this rotating disc 3, this pedestal 11 is that the mode with extrusion modling is made into the cuboid that lateral cross section is the sealing shaped as frame, the end face of each pedestal 11 offers several tracks 13, for these anchoring 2 sliding establishing, and the another side of each pedestal 11 relative bonding is one-body molded when extrusion modling respectively a groove 14 arranged, supply to be embedded the instrument cases (not shown) that racket threading is used, and 11 of two pedestals are affixed in the screw lock mode, have light weight for pedestal 1, the effect that intensity is good.
Claims (7)
1, a kind of improved racket threader, it has a pedestal, and an end of this pedestal is provided with an anchoring, and with the degree of tension of control racket gut, the other end of pedestal is provided with a rotating disc that can horizontally rotate; It is characterized in that, described rotating disc is by long rectangle disk body more than two, form so that the side of its major axis is connected with each other, each disk body then is to squeeze the type mode, be made into the shaped as frame of the cross section vertical for sealing with the disk body long axis direction, offer more than one groove in the middle of the end face of this rotating disc, the both sides that this rotating disc is positioned at this groove offer a chute respectively.
2, improved racket threader according to claim 1, it is characterized in that described rotating disc is to be bonded with each other by a middle disk body and two side panel bodies to form, this centre disk body and side panel body are all to squeeze the mode of type, making becomes the shaped as frame of the cross section vertical with the disk body long axis direction for sealing, this rotating disc is left and right connected with each other with the major axis side of two side panel bodies and this centre disk body, and fix as one in the screw lock mode, and the middle disk body of this rotating disc is to articulate with a rotating shaft and this pedestal.
3, improved racket threader according to claim 2, it is characterized in that the both sides of disk body are one-body molded when extrusion modling respectively in the middle of described has two obliquely caulking grooves, the end face two ends of this centre disk body have groove respectively, and two side panel bodies are symmetry shape, the side that each side panel body engages with middle disk body protrudes out a lug obliquely respectively to caulking groove place that should the telophragma body, each lug is one-body molded when extrusion modling, in the chimeric caulking groove that is positioned this centre disk body, the bottom of this side panel body spiral shell that makes progress is established a bolt, to support under the pressure of this lug build-in in this caulking groove, the end face of each side panel body offers chute respectively.
4, improved racket threader according to claim 2 is characterized in that the relative another side that engages with middle disk body of described each a side panel body one-body molded groove when extrusion modling respectively.
5, improved racket threader according to claim 2 is characterized in that the bottom of the end face of described each side panel body, and one-body molded when extrusion modling respectively have two reinforced ribs, and the end face of each side panel body between two reinforced ribs offers this chute respectively.
6, improved racket threader according to claim 1, it is characterized in that described pedestal is formed by two pedestal relative bondings, wherein a pedestal is provided with rotating shaft, for articulating this rotating disc, this pedestal is to make in the mode of squeezing type to become the cuboid that lateral cross section is the sealing shaped as frame, and is that screw lock is affixed between two pedestals.
7, improved racket threader according to claim 6, it is characterized in that the end face of described pedestal offers the track of one or more, establish for described anchoring cunning, the another side of this pedestal relative bonding is one-body molded when extrusion modling respectively a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021580219A CN100336571C (en) | 2002-12-24 | 2002-12-24 | Improved racket threading machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021580219A CN100336571C (en) | 2002-12-24 | 2002-12-24 | Improved racket threading machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1509784A true CN1509784A (en) | 2004-07-07 |
| CN100336571C CN100336571C (en) | 2007-09-12 |
Family
ID=34236818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021580219A Expired - Fee Related CN100336571C (en) | 2002-12-24 | 2002-12-24 | Improved racket threading machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100336571C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513562B (en) * | 2008-02-19 | 2010-12-01 | 黄淑娥 | Racket frame clamping structure for racket threader |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3929198A1 (en) * | 1989-09-02 | 1991-03-07 | Klaus Flamm | Stringing device for sports rackets - has several tension elements set on fastening plate and having slide carriages |
| US5568921A (en) * | 1993-10-26 | 1996-10-29 | Ektelon | Racquet stringing machine |
| JP2001314532A (en) * | 2000-05-02 | 2001-11-13 | Akira Tsuchida | Gut clamp mechanism of device for stretching gut on tennis racket, or the like |
| CN2431006Y (en) * | 2000-06-19 | 2001-05-23 | 叶岳瑞 | Stringing machine for tennis racket |
| CN2499074Y (en) * | 2001-08-08 | 2002-07-10 | 定伟有限公司 | Thread pulling device for racket threading machine |
| CN2595412Y (en) * | 2002-12-24 | 2003-12-31 | 黄淑娥 | Improved racket threading machine |
-
2002
- 2002-12-24 CN CNB021580219A patent/CN100336571C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513562B (en) * | 2008-02-19 | 2010-12-01 | 黄淑娥 | Racket frame clamping structure for racket threader |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100336571C (en) | 2007-09-12 |
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