CN202588547U - Metal zipper tooth - Google Patents
Metal zipper tooth Download PDFInfo
- Publication number
- CN202588547U CN202588547U CN 201220193704 CN201220193704U CN202588547U CN 202588547 U CN202588547 U CN 202588547U CN 201220193704 CN201220193704 CN 201220193704 CN 201220193704 U CN201220193704 U CN 201220193704U CN 202588547 U CN202588547 U CN 202588547U
- Authority
- CN
- China
- Prior art keywords
- plane
- head
- rear end
- shank
- leg parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Slide Fasteners (AREA)
Abstract
The utility model relates to a metal zipper tooth. The metal zipper tooth comprises a head part and a pair of leg parts extending backward from the rear end of the head part, and the head part and the leg parts form a Y-shaped cross section; the rear end of the head part is a plane; the outer surfaces of the leg parts comprise first planes connected with the side wall of the head part and second planes which are connected with the first planes and turn inward, and the inner surfaces of the leg parts comprise third planes connected with the rear end of the head part and fourth planes which are connected with the third planes and turn inward; and the width of each leg part is decreased and then increased from front to back. The widths of the pair of the leg parts of the metal zipper tooth provided by the utility model are decreased and then increased from front to back, and the widths of the rear ends of the leg parts are the largest, so the keying strength of the zipper tooth is improved, the falling of the zipper tooth is avoided, and the quality of the zipper is improved; and a non-uniform width design is applied to the leg parts, so that the materials for making the zipper tooth are saved, and the cost is reduced.
Description
Technical field
The utility model relates to slide fastener, specifically a kind of metallic bond tooth that obtains through the cutting metal bar.
Background technology
Traditional slide fastener generally adopts the metallic bond tooth, and the metallic bond tooth is engaged in and forms the half chain on the zipper strip, and a pair of half chain is combined the formation slide fastener.The metallic bond tooth comprises that head reaches the extended backward a pair of shank in rear end from the head, constitutes y-shaped cross-section.Usually, the width of this a pair of shank is uniformly, and promptly everywhere width is identical.The chain tooth of this structure, its intensity that is engaged on the zipper strip is not too high, comes off from zipper strip easily, causes the damage of slide fastener, and and then influences the use of slide fastener.
Summary of the invention
The utility model provides a kind of keying strength high metallic bond tooth to the problems referred to above, uses the slide fastener of this chain tooth not fragile, reliable in quality.
Technical scheme according to the utility model: a kind of metallic bond tooth; Comprise head and extended backward a pair of shank from the rear end of said head; Constitute y-shaped cross-section; The rear end of said head is the plane; The outer surface of said a pair of shank comprises second plane of first plane that links to each other with said head side wall and the inside turnover that links to each other with said first plane, and the inner surface of said a pair of shank comprises Siping City's face of the 3rd plane that links to each other with said head rear end and the inside turnover that links to each other with said the 3rd plane, and the width of each said shank is by going to the back to reduce gradually to increase gradually more earlier.
The connecting place of said first plane and said head side wall is provided with bend.
The connecting place of said the 3rd plane and said head rear end and the connecting place on said Siping City face and said the 3rd plane are provided with bend.
Said bend is a cancave cambered surface.
The front end of said head is aduncate cancave cambered surface.
The technique effect of the utility model is: by going to the back to reduce gradually to increase gradually more earlier, the rear end width of shank is maximum respectively for the width of a pair of shank in the utility model, can increase the keying strength of chain tooth, prevents the chain odontoptosis, improves the quality of slide fastener; The width of shank adopts inhomogeneous design, can save the material of chain tooth, reduces cost; The cancave cambered surface of head front end can increase the light slippery of pull head pulling when the slide fastener folding.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Be further described below in conjunction with the specific embodiment of accompanying drawing the utility model.
Among Fig. 1, comprise head 10, front end 11, rear end 12, shank 13, bend 14, first plane 15, second plane 16, the 3rd plane 17, Siping City's face 18 etc.
As shown in Figure 1, the utility model is a kind of metallic bond tooth, comprises that head 10 reaches 10 the extended backward a pair of shank 13 in rear end 12 from the head, constitutes y-shaped cross-section.
The rear end 12 of head 10 is the plane, and the front end 11 of head 10 is aduncate cancave cambered surface.The cancave cambered surface of head 10 front ends 11 can increase the light slippery of pull head pulling when the slide fastener folding.
The outer surface of a pair of shank 13 comprises second plane 16 of first plane 15 that links to each other with head 10 sidewalls and the inside turnover that links to each other with first plane 15; The inner surface of a pair of shank 13 comprises Siping City's face 18 of the 3rd plane 17 that links to each other with head 10 rear ends 12 and the inside turnover that links to each other with the 3rd plane 17; The width of each shank 13 is by going to the back to reduce gradually to increase gradually more earlier, and the rear end width of shank 13 is maximum.
By going to the back to reduce gradually to increase gradually more earlier, the rear end of shank 13 is the part of interlock zipper strip to the width of a pair of shank 13 in the utility model respectively, and its width is maximum, can increase the keying strength of chain tooth, prevents the chain odontoptosis, improves the quality of slide fastener; The width of shank 13 adopts inhomogeneous design, can save the material of chain tooth, reduces cost.
Claims (5)
1. metallic bond tooth; Comprise that head (10) reaches the extended backward a pair of shank in rear end (12) (13) from said head (10); Constitute y-shaped cross-section; It is characterized in that: the rear end (12) of said head (10) is the plane; The outer surface of said a pair of shank (13) comprises second plane (16) of first plane (15) that links to each other with said head (10) sidewall and the inside turnover that links to each other with said first plane (15); The inner surface of said a pair of shank (13) comprises Siping City's face (18) of the 3rd plane (17) that links to each other with said head (10) rear end (12) and the inside turnover that links to each other with said the 3rd plane (17), and the width of each said shank (13) is by going to the back to reduce gradually to increase gradually more earlier.
2. according to the described metallic bond tooth of claim 1, it is characterized in that: said first plane (15) is provided with bend (14) with the connecting place of said head (10) sidewall.
3. according to the described metallic bond tooth of claim 1, it is characterized in that: said the 3rd plane (17) is provided with bend (14) with the connecting place of said head (10) rear end (12) and the connecting place on said Siping City face (18) and said the 3rd plane (17).
4. according to claim 2 or 3 described metallic bond teeth, it is characterized in that: said bend (14) is a cancave cambered surface.
5. according to the described metallic bond tooth of claim 1, it is characterized in that: the front end (11) of said head (10) is aduncate cancave cambered surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220193704 CN202588547U (en) | 2012-04-29 | 2012-04-29 | Metal zipper tooth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220193704 CN202588547U (en) | 2012-04-29 | 2012-04-29 | Metal zipper tooth |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202588547U true CN202588547U (en) | 2012-12-12 |
Family
ID=47306141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220193704 Expired - Fee Related CN202588547U (en) | 2012-04-29 | 2012-04-29 | Metal zipper tooth |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202588547U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102631055A (en) * | 2012-04-29 | 2012-08-15 | 无锡金卫星实业有限公司 | Zipper tooth for zipper |
CN102845938A (en) * | 2012-04-29 | 2013-01-02 | 无锡金卫星实业有限公司 | Metal zipper tooth |
-
2012
- 2012-04-29 CN CN 201220193704 patent/CN202588547U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102631055A (en) * | 2012-04-29 | 2012-08-15 | 无锡金卫星实业有限公司 | Zipper tooth for zipper |
CN102845938A (en) * | 2012-04-29 | 2013-01-02 | 无锡金卫星实业有限公司 | Metal zipper tooth |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150429 |
|
EXPY | Termination of patent right or utility model |