CN102948974B - Zipper tooth structure and zipper provided with same - Google Patents
Zipper tooth structure and zipper provided with same Download PDFInfo
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- CN102948974B CN102948974B CN201210473555.9A CN201210473555A CN102948974B CN 102948974 B CN102948974 B CN 102948974B CN 201210473555 A CN201210473555 A CN 201210473555A CN 102948974 B CN102948974 B CN 102948974B
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- tooth
- jag
- chain
- groove
- tooth head
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Abstract
The invention discloses a zipper tooth structure and a zipper provided with the same. The zipper tooth structure comprises a front part and a rear part which are same in shape, wherein the front part is provided with a first base and a first tooth head; the rear part is provided with a second base and a second tooth head; the first tooth head is provided with a first protruded end and a first groove; the first groove is positioned between the first protruded end and the first base; the second tooth head is provided with a second protruded end and a second groove; the second groove is positioned between the second protruded end and the second base; the first protruded end and the second protruded end are protruded toward opposite directions; when the zipper is pulled to be closed, the first protruded end is accommodated in the first groove, and first meshed zipper teeth are distributed on the opposite sides of the first protruded end,; the second protruded end is accommodated in the second groove, second meshed zipper teeth are distributed on the opposite sides of the second groove; and the first meshed zipper teeth are adjacent zipper teeth distributed on the opposite sites. The zipper tooth structure can be used for lightening the zipper weight while bearing a larger force, and further has the characteristic of good appearance decorative property.
Description
Technical field
The present invention relates to zipper technology field, relate to a kind of slide fastener that there is chain teeth structure and there is this chain teeth structure in particular.
Background technology
In prior art, the chain tooth of plastic zipper generally comprises two kinds of situations, and one is tow sides thread form full symmetric, and another kind is that tow sides thread form is completely different.
The former sets up two symmetrical outstanding flat boards in chain tooth head both sides, also offer a groove at the interlude of chain tooth head thickness direction simultaneously, so when chain tooth head engages each other, the outstanding flat board of one side chain tooth can insert in the groove of another side chain tooth, and guarantee that outstanding flat board has certain gap with during ditch slot fit, after making slide fastener drawing, no matter how chain base is by bending, chain tooth all can not be deviate from mutually, and whole chain base surface can keep again smooth simultaneously.This chain tooth two sides shape is identical, and after the drawing of chain base, chain tooth tow sides energy holding capacity simultaneously, so can bear larger power, its shortcoming is that slide fastener is heavier.
Although it is completely different that the latter is tow sides thread form, front or the thread form of reverse side own are full symmetrics.In single chain dental length direction, a chain tooth is the gesture reduced gradually from end to tooth head configuration size, and another side, the first sample of tooth of tooth head and common delrin zippers with pulllers chain tooth is that the outstanding shape in two ends is to bear external force.The chain tooth of this structure, chain tooth is not arranged outstanding dull and stereotyped and groove, be that the two ends side of giving prominence to shape is demarcated phase merge point on neutral surface in the side of gesture reduced gradually and tooth head from length direction, on length direction, the outstanding plane (i.e. tow sides front projection do not overlap the plane of each self-forming of part) of the left and right sides must be provided with certain difference of height, after just guaranteeing slide fastener drawing, no matter how chain base is by bending, chain tooth all can not be deviate from mutually, and whole chain base surface can keep again smooth simultaneously.This chain tooth two sides shape is completely different, is characterized in that slide fastener is comparatively light, but after the drawing of chain base, chain tooth only has one side energy holding capacity, therefore poor compared with the former in holding capacity.
In view of this, the present inventor furthers investigate for the above-mentioned difficulties of slide fastener in prior art, then has this case to produce.
Summary of the invention
The first object of the present invention is to provide a kind of chain teeth structure, and it can bear larger power, can alleviate slide fastener quality again, can also guarantee that drawing rear zipper tow sides shape is the same simultaneously.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of chain teeth structure, wherein, comprise and being fixed together and the identical front portion of shape and reverse side part, this front portion has the first base portion and the first tooth head, this reverse side part has the second base portion and the second tooth head, this the first tooth head has the first jag and the first groove, this first groove is between the first jag and the first base portion, this the second tooth head has the second jag and the second groove, this second groove is between the second jag and the second base portion, this first jag and the second jag are given prominence in the opposite direction, when slide fastener drawing, the first jag of the first engagement chain tooth on opposite side strap is equipped with in this first groove, this second groove is equipped with the second jag of the second engagement chain tooth on opposite side strap, this the first engagement chain tooth and the second engagement chain tooth are the adjacent chain tooth on opposite side strap.
Further, this the first tooth head is also formed with the first slot to make way, this first slot to make way and the first jag are divided into the left and right sides of the first tooth head, and this second tooth head is also formed with the second slot to make way, and this second slot to make way and the second jag are divided into the left and right sides of the second tooth head.
Further, this front portion forms two planes at the external part of the first tooth head and the first base portion to the first tooth head transition part, this reverse side part also forms two planes at the external part of the second tooth head and the second base portion to the second tooth head transition part, and two planes of two of this front portion planes and reverse side part are lower than the symmetrical neutral surface of chain tooth thickness direction.
The second object of the present invention is to provide a kind of slide fastener with this chain teeth structure, and this slide fastener has strap and is formed in the chain tooth on strap, and this chain tooth adopts above-mentioned chain teeth structure.
After adopting said structure, a kind of chain teeth structure that the present invention relates to and the slide fastener with this chain teeth structure, at least there is following beneficial effect in it:
One, after slide fastener is in drawing state, if the first tooth head on this chain tooth or the second tooth head under tension, then just, to be born by the first jag of front portion and the second jag of reverse side part, because the first jag and the second jag be not in same plane, and two strength strong points on the first jag and the second jag be able to be centrosymmetric, so it can keep the stress equalization of two tooth heads, again because add the distance of two strength strong points, so larger power can be born.
Two, improve and draw sense: because a jag has been lacked in each face, thus reduce the upper and lower contact surface of the drawing of chain tooth and slide fastener thickness direction when separating, so reduce tooth head to engage the resistance giving the upper and lower contact surface of chain tooth with slider of zipper fastener when separating, so, make to draw sense more lightly happy.
Three, because this front portion or reverse side part are only formed with a jag, therefore there is the chain tooth of two jags compared to prior art, alleviate the weight of chain tooth, and make whole slide fastener lighter.
Four, the present invention is compared to the plastic zipper of prior art, has special fashion, exterior decorative effect unique especially.
Accompanying drawing explanation
Fig. 1 is the perspective view that the present invention relates to a kind of chain teeth structure;
Fig. 2 is the plane of Fig. 1.
In figure:
Chain teeth structure 100
Front portion 1 first base portion 11
First tooth head 12 first jag 121
First groove 122 first slot to make way 123
Reverse side part 2 second base portion 21
Second tooth head 22 second jag 221
Second groove 222 second slot to make way 223
Plane 3
Detailed description of the invention
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
As depicted in figs. 1 and 2, a kind of chain teeth structure 100 that the present invention relates to, comprises and being fixed together and the identical front portion 1 of shape and reverse side part 2.
This front portion 1 has the first base portion 11 and the first tooth head 12, and this first tooth head 12 has the first jag 121 and the first groove 122, and this first groove 122 is between the first jag 121 and the first base portion 11.
This reverse side part 2 has the second base portion 21 and the second tooth head 22, and this second tooth head 22 has the second jag 221 and the second groove 222, and this second groove 222 is between the second jag 221 and the second base portion 21.
This first jag 121 and the second jag 221 are given prominence in the opposite direction, when slide fastener drawing, the first jag of the first engagement chain tooth on opposite side strap is equipped with in this first groove 122, this second groove 222 is equipped with the second jag of the second engagement chain tooth on opposite side strap, this the first engagement chain tooth and the second engagement chain tooth are the adjacent chain tooth on opposite side strap, and the alternately engagement so achieving two strap cochain teeth is connected.
Like this, a kind of chain teeth structure 100 that the present invention relates to and the slide fastener with this chain teeth structure 100, after slide fastener is in drawing state, if the first tooth head 12 or the second tooth head 22 under tension on this chain tooth, then just, to be born by the first jag 121 of front portion 1 and the second jag 221 of reverse side part 2, because the first jag 121 and the second jag 221 be not in same plane, and two strength strong points on the first jag 121 and the second jag 221 be able to be centrosymmetric, this strength strong point is the contact point between current chain tooth and opposite side chain tooth, so it can keep the stress equalization of two tooth heads, again because add the distance (in right angled triangle, the hypotenuse length of side is greater than right-angle side) of two strength strong points, so larger power can be born, power suffered by each point just reduces.
In addition, because this front portion 1 or reverse side part 2 are only formed with a jag, therefore there is the chain tooth of two jags compared to prior art, alleviate the weight of chain tooth, and make whole slide fastener lighter; Simultaneously owing to having lacked a jag in each face, thus reduce the upper and lower contact surface of the drawing of chain tooth and slide fastener thickness direction when separating, so reduce tooth head to engage the resistance giving the upper and lower contact surface of chain tooth with slider of zipper fastener when separating, draw sense so improve, make to draw sense more lightly happy.In addition, due to the particularity of chain teeth structure 100 of the present invention, it is compared to the plastic zipper of prior art, has special fashion, exterior decorative effect unique especially.
Can be shortened in order to the spacing of adjacent chain tooth on slide fastener can be allowed, thus make whole slide fastener become compacter, this the first tooth head 12 is also formed with the first slot to make way 123, this first slot to make way 123 and the first jag 121 are divided into the left and right sides of the first tooth head 12, this the second tooth head 22 is also formed with the second slot to make way 223, and this second slot to make way 223 and the second jag 221 are divided into the left and right sides of the second tooth head 22.
As depicted in figs. 1 and 2, this front portion 1 forms two planes 3 at the external part of the first tooth head 12 and the first base portion 11 to the first tooth head 12 transition part; Similarly, this reverse side part 2 also forms two planes 3 at the external part of the second tooth head 22 and the second base portion 21 to the second tooth head 22 transition part, and two planes 3 of two of this front portion 1 planes 3 and reverse side part 2 are lower than the symmetrical neutral surface of chain tooth thickness direction, concrete low 0.06mm or more.Like this, chain tooth both can not because after plastics injection moulding, because cooling meat produces distortion, surface becomes out-of-flatness (this out-of-flatness can affect drawing process after engagement, what reduce slide fastener draws sense), the plane that also mutually can not limit because of chain tooth thickness direction and after drawing, chain base is by bending time, chain tooth can be deviate from mutually.
The present invention also provides a kind of slide fastener with this chain teeth structure 100, and this slide fastener has strap and is formed in the chain tooth on strap, and this chain tooth adopts as above above-mentioned chain teeth structure 100.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (4)
1. a chain teeth structure, it is characterized in that, comprise and being fixed together and the identical front portion of shape and reverse side part, this front portion has the first base portion and the first tooth head, this reverse side part has the second base portion and the second tooth head, this the first tooth head has the first jag and the first groove, this first groove is between the first jag and the first base portion, this the second tooth head has the second jag and the second groove, this second groove is between the second jag and the second base portion, this first jag and the second jag are given prominence in the opposite direction, when slide fastener drawing, the first jag of the first engagement chain tooth on opposite side strap is equipped with in this first groove, this second groove is equipped with the second jag of the second engagement chain tooth on opposite side strap, this the first engagement chain tooth and the second engagement chain tooth are the adjacent chain tooth on opposite side strap.
2. a kind of chain teeth structure as claimed in claim 1, it is characterized in that, this the first tooth head is also formed with the first slot to make way, this first slot to make way and the first jag are divided into the left and right sides of the first tooth head, this the second tooth head is also formed with the second slot to make way, and this second slot to make way and the second jag are divided into the left and right sides of the second tooth head.
3. a kind of chain teeth structure as claimed in claim 1, it is characterized in that, this front portion forms two planes at the external part of the first tooth head and the first base portion to the first tooth head transition part, this reverse side part also forms two planes at the external part of the second tooth head and the second base portion to the second tooth head transition part, and two planes of two of this front portion planes and reverse side part are lower than the symmetrical neutral surface of chain tooth thickness direction.
4. have a slide fastener for chain teeth structure, this slide fastener has strap and is formed in the chain tooth on strap, and this chain tooth adopts chain teeth structure above-mentioned any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473555.9A CN102948974B (en) | 2012-11-20 | 2012-11-20 | Zipper tooth structure and zipper provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473555.9A CN102948974B (en) | 2012-11-20 | 2012-11-20 | Zipper tooth structure and zipper provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102948974A CN102948974A (en) | 2013-03-06 |
| CN102948974B true CN102948974B (en) | 2015-05-13 |
Family
ID=47758797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210473555.9A Active CN102948974B (en) | 2012-11-20 | 2012-11-20 | Zipper tooth structure and zipper provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102948974B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560105A (en) * | 2016-04-11 | 2017-04-12 | 福建浔兴拉链科技股份有限公司 | Single side engaging plastic steel zipper |
| CN106418918B (en) * | 2016-08-29 | 2020-02-04 | 福建浔兴拉链科技股份有限公司 | Material-saving chain tooth |
| USD979886S1 (en) * | 2020-09-10 | 2023-03-07 | Ideal Fastener (Guangdong) Industries Ltd. | Zipper tooth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874038A (en) * | 1972-08-03 | 1975-04-01 | Yoshida Kogyo Kk | Sliding clasp coupling elements |
| CN1879518A (en) * | 2005-05-20 | 2006-12-20 | Ykk株式会社 | Slide fastener chain |
| CN102088882A (en) * | 2009-01-13 | 2011-06-08 | Ykk株式会社 | Slide fastener |
| CN102406288A (en) * | 2011-12-29 | 2012-04-11 | 开易(广东)服装配件有限公司 | Teeth of zipper |
| CN102639022A (en) * | 2009-11-30 | 2012-08-15 | Ykk株式会社 | Liquid-tight slide fastener and manufacturing method therefor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5583226B2 (en) * | 2010-11-01 | 2014-09-03 | Ｙｋｋ株式会社 | Slide fastener |
-
2012
- 2012-11-20 CN CN201210473555.9A patent/CN102948974B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874038A (en) * | 1972-08-03 | 1975-04-01 | Yoshida Kogyo Kk | Sliding clasp coupling elements |
| CN1879518A (en) * | 2005-05-20 | 2006-12-20 | Ykk株式会社 | Slide fastener chain |
| CN102088882A (en) * | 2009-01-13 | 2011-06-08 | Ykk株式会社 | Slide fastener |
| CN102639022A (en) * | 2009-11-30 | 2012-08-15 | Ykk株式会社 | Liquid-tight slide fastener and manufacturing method therefor |
| CN102406288A (en) * | 2011-12-29 | 2012-04-11 | 开易(广东)服装配件有限公司 | Teeth of zipper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102948974A (en) | 2013-03-06 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180417 Address after: 362200 No. 18, Binxi Road, Hua Hai village, Shen Hu Town, Jinjiang City, Quanzhou, Fujian Patentee after: Fujian Jinjiang xunxing zipper Technology Co. Ltd. Address before: 362246 East Jinjiang Industrial Zone, Jinjiang, Shenzhen, Fujian Patentee before: Fujian SBS Zipper Science & Technology Co., Ltd. |