CN103783737B - A kind of pull head that closes up and down chain - Google Patents
A kind of pull head that closes up and down chain Download PDFInfo
- Publication number
- CN103783737B CN103783737B CN201410064835.3A CN201410064835A CN103783737B CN 103783737 B CN103783737 B CN 103783737B CN 201410064835 A CN201410064835 A CN 201410064835A CN 103783737 B CN103783737 B CN 103783737B
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- boat
- chain
- chain tooth
- curved surfaces
- deck
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Abstract
The present invention discloses a kind of pull head that closes up and down chain, and a core branch connects the upper deck of boat and the lower deck of boat, to form left chain tooth introducing port, right chain tooth introducing port and the engagement mouthful of chain tooth. Left-half the be formed with one high and one low left side that seamlessly transit half curved surfaces and right half curved surfaces corresponding to right-hand part of the described upper deck of boat or lower deck of boat inner surface; After left half curved surfaces and right half curved surfaces are one high and one low setting of self-corresponding left chain tooth introducing port and right chain tooth introducing port place, seamlessly transit to chain tooth engagement mouth place is concordant and join and form a concordant derivation face along a upstream or downstream radian; Upper deck of boat upset 180 degree are connected as one by core branch face to face with lower deck of boat inner surface, with between the upper and lower deck of boat, form push up and down chain tooth close chain chamber. It is that the curved surfaces forming by the upper deck of boat and lower deck of boat upper inner surface produces upper and lower extruding force that the present invention closes chain pull head up and down. Compared with the chain mode of closing of pushing with tradition left and right, drawing feel is more smooth and easy, gently sliding.
Description
Technical field
The present invention relates to a kind of pull head of slide fastener, refer in particular to one and close chain by upper and lower fashion of extrusionPull head.
Background technology
The chain mode of closing of existing zipper head is that left and right two side chain teeth are separated after certain angle, by a left sideThe mode of right extruding is combined left and right two side chain teeth to reach closes chain effect. Close existing left and rightThe pull head of chain mode, in the time pulling, feel is astringent, smooth not, haves much room for improvement.
Summary of the invention
The problem existing for prior art, the invention provides a kind of pull head that closes up and down chain. This pull head utmost pointLarge raising the light slippery of slide fastener.
For achieving the above object, technical solution of the present invention is:
Close up and down a pull head for chain, a core branch connects the upper deck of boat and the lower deck of boat, imports to form left chain toothMouth, right chain tooth introducing port and the engagement mouthful of chain tooth. The left-half of the described upper deck of boat or lower deck of boat inner surface withRight-hand part correspondence is formed with the one high and one low left side seamlessly transitting half curved surfaces and right half curved surfaces; Left halfCurved surfaces and right half curved surfaces are that self-corresponding left chain tooth introducing port and right chain tooth introducing port place one are high by oneAfter low setting, seamlessly transit to chain tooth engagement mouth place is concordant and join and form one along a upstream or downstream radianConcordant derivation face; Upper deck of boat upset 180 degree are connected to one by core branch face to face with lower deck of boat inner surfaceBody, with between the upper and lower deck of boat, form push up and down chain tooth close chain chamber.
The usefulness of technique scheme is:
It is that the curved surfaces forming by the upper deck of boat and lower deck of boat upper inner surface comes that the present invention closes chain pull head up and downProduce upper and lower extruding force. The difference in height up and down that left and right chain tooth exists when importing, gradually advances and closes chain chamberLeft and right chain tooth lead-in cavity, lead at extruding force up and down and the left and right chain tooth of upper and lower deck of boat curved surfacesDraw chamber guiding and spacing under, left and right chain tooth is progressively overlapping, and is pushed up and down at a chain tooth engagement mouthful placeAnd press together. Compared with the chain mode of closing of the present invention and about tradition extruding, drawing feel is more smooth and easy,Light sliding.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms one of the present inventionPoint, schematic description and description of the present invention is used for explaining the present invention, does not form of the present inventionImproper restriction. In the accompanying drawings:
Fig. 1 is the perspective view one of pull head of the present invention;
Fig. 2 is the perspective view two of pull head of the present invention;
Fig. 3 is the perspective view of the upper and lower deck of boat of the present invention.
Detailed description of the invention
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, brightIn vain, below in conjunction with drawings and Examples, the present invention is further elaborated. Should be appreciated that thisLocate described specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
A kind of pull head that closes up and down chain as shown in Figure 1, 2, a core branch 10 connects the upper deck of boat 20 and goes ashorePlate 30, to form left chain tooth introducing port 40 and right chain tooth introducing port 50 at the leading section of pull head, at pull headRearward end form chain tooth engagement mouthfuls 60.
As shown in Figure 3, pull head of the present invention is to construct the identical upper deck of boat 20 and the lower deck of boat 30 by inner surfaceForm. Left-half a be formed with height corresponding to right-hand part of the upper deck of boat 20 or the lower deck of boat 30 inner surfacesThe one low left side seamlessly transitting half curved surfaces 21,31 and right half curved surfaces 22,32. Left half arc tableFace 21,31 and right half curved surfaces the 22, the 32nd, self-corresponding left chain tooth introducing port 40 imports with right chain toothMouthful 50 places are one high and one low arrange after, seamlessly transit to chain tooth engagement mouthful 60 places along a downlink or uplink radianJoin and form a concordant derivation face 23,33. The upper deck of boat 20 turn over after turnback with the lower deck of boat 30 inSurface is connected as one by core branch 10 face to face, to squeeze up and down in 20,30 formation of the upper and lower deck of boatThat presses chain tooth closes chain chamber. The joint shape of left half curved surfaces 21,31 and right half curved surfaces 22,32Become a drop face 24,34, drop face 24,34 and left half curved surfaces 21,31 and right half curved surfaces22, the left and right stopper 25,35 that 32 outer avris form coordinates, and limits and guides left and right chain tooth respectivelyAdvance in left and right half portion of closing chain chamber, finally close chain at chain tooth engagement mouthful 60 places.
Specific embodiments of the invention as shown in Figure 1, are formed on the lower deck of boat 30 inner surface left-halfBottom left half curved surfaces 31 is that low level arrival end A from left chain tooth introducing port 40 is along an arc seamlessly transittingSpend up setting, and bottom right half curved surfaces 32 that is formed on the lower deck of boat 30 inner surface right half parts isFrom the high-order arrival end B of right chain tooth introducing port 50 along a descending setting of radian seamlessly transitting, bottom left halfCurved surfaces 31 joins and forms concordant leading at chain tooth engagement mouthful 60 places with bottom right half curved surfaces 32Appear 33. Construct the identical upper deck of boat 20 with the lower deck of boat 30 inner surfaces, turn over inner surface court after turnbackUnder be arranged on the lower deck of boat 30 tops so that the left and right chain tooth lead-in cavity 70 of 30 formation of the upper and lower deck of boat,80 is highly consistent.
Because the low level arrival end A of the lower deck of boat 30 arranges lower than high-order arrival end B, the left and right chain of slide fastenerIn the time importing, there is upper and lower difference in height in tooth, but along with left and right chain tooth is entered and closed chain chamber by chain tooth introducing portLeft and right chain tooth lead-in cavity 70,80, descending in the extruding up and down of the upper and lower deck of boat 20,30 curved surfacesWalk, left and right chain tooth progressively the guiding of left and right chain tooth lead-in cavity 70,80 and spacing under overlap,Finally, at chain tooth engagement mouthful 60 places of deriving left and right chain tooth, left and right chain tooth is pushed up and down and is pressed together onIn a plane, complete and close chain.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, as previously mentioned, is to be understood that thisThe bright disclosed form of this paper that is not limited to, should not regard the eliminating to other embodiment as, and availableIn various other combinations, amendment and environment, and can be in invention contemplated scope described herein, by upperStating technology or the knowledge of instruction or association area changes. And the change that those skilled in the art carry out and changeChange and do not depart from the spirit and scope of the present invention, all should be in the protection domain of claims of the present invention.
Claims (1)
1. close up and down a pull head for chain, a core branch connects the upper deck of boat and the lower deck of boat, with form left chain tooth introducing port,Right chain tooth introducing port and the engagement mouthful of chain tooth; It is characterized in that a left side for the described upper deck of boat or lower deck of boat inner surfaceHalf part the be formed with one high and one low left side that seamlessly transit half curved surfaces and right half arc table corresponding to right-hand partFace; Left half curved surfaces and right half curved surfaces are self-corresponding left chain tooth introducing port and right chain tooth introducing portLocate after one high and one low setting, seamlessly transit to chain tooth engagement mouthful concordant joining of place along a upstream or downstream radianAnd form a concordant derivation face; Upper deck of boat upset 180 degree and lower deck of boat inner surface are face to face by core branchConnect as one, with between the upper and lower deck of boat, form push up and down chain tooth close chain chamber; Left half curved surfacesForm a drop face with the joint of right half curved surfaces, drop face and left half curved surfaces and right half arcThe left and right stopper that the outer avris in surface forms arc coordinates, and limits and guides left and right chain tooth and closing chain respectivelyLeft and right half portion in chamber advances, and finally closes chain at a chain tooth engagement mouthful place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064835.3A CN103783737B (en) | 2014-02-26 | 2014-02-26 | A kind of pull head that closes up and down chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064835.3A CN103783737B (en) | 2014-02-26 | 2014-02-26 | A kind of pull head that closes up and down chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103783737A CN103783737A (en) | 2014-05-14 |
| CN103783737B true CN103783737B (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410064835.3A Active CN103783737B (en) | 2014-02-26 | 2014-02-26 | A kind of pull head that closes up and down chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103783737B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070864A (en) * | 1959-08-22 | 1963-01-01 | Zelzer & Co | Slider for slide fastener |
| US3129479A (en) * | 1962-02-02 | 1964-04-21 | Louis H Morin | Slide fastener |
| CN1204951A (en) * | 1996-09-10 | 1999-01-13 | S·C·约翰逊家贮公司 | Reclosable fastener assembly |
| CN2498882Y (en) * | 2001-09-13 | 2002-07-10 | 曹昌文 | Top and button stopper and slide head structure of nylon slide fastener |
| CN102264253A (en) * | 2008-12-22 | 2011-11-30 | 哥伦比亚运动休闲北美公司 | Weather resistant slide fasteners |
-
2014
- 2014-02-26 CN CN201410064835.3A patent/CN103783737B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070864A (en) * | 1959-08-22 | 1963-01-01 | Zelzer & Co | Slider for slide fastener |
| US3129479A (en) * | 1962-02-02 | 1964-04-21 | Louis H Morin | Slide fastener |
| CN1204951A (en) * | 1996-09-10 | 1999-01-13 | S·C·约翰逊家贮公司 | Reclosable fastener assembly |
| CN2498882Y (en) * | 2001-09-13 | 2002-07-10 | 曹昌文 | Top and button stopper and slide head structure of nylon slide fastener |
| CN102264253A (en) * | 2008-12-22 | 2011-11-30 | 哥伦比亚运动休闲北美公司 | Weather resistant slide fasteners |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103783737A (en) | 2014-05-14 |
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