M442737 五、新型說明： 【新型所屬之技術領域】 本創作係有關一種雙層鏈齒之尼龍拉鏈，尤指特別適 合應用在行李箱、背包及帳篷上的雙層鏈齒之尼龍拉鍵。 【先前技術】 習知的尼龍拉鍵是為單層鏈齒’然而單層鏈#的拉鏈 的防竊機制薄弱’只要使用原子筆的筆尖或棍棒尖端插入 #兩鏈條之間，就能輕易地使拉鏈分離，其應用在行李箱時 將造成防竊效果不佳。為此，曾有雙層拉鏈的設計，例如 中華民國台灣公告441257號所示之尼龍拉鏈帶改良，其係 在鏈布的兩面都縫合有鏈條，達到防刺防竊的功能。 但是，雙層拉鏈的拉鏈頭因為兩端長度相同（例如 US8132303、US7891061 )，因此當拉鏈應用在行李箱或背 包的彎角處時，因為兩層鏈齒併合角度的不同，因此拉鏈 頭無法對應兩面鏈條在轉彎處同時併合的強張力，端部因 籲為在f角處上下層⑺層）的不軸，很容㈣致有一層鏈 齒併合而另一層鏈齒爆開。 =者，習知的螺旋狀鏈條是用縫線固定在鏈布，其縫 線會突露在每-個螺旋狀的鏈扣單元上，报容易與拉鍵頭 的内面磨擦，特別是在行李箱或背包的彎角處，其向上彎 曲的鏈條更容易使拉鏈頭磨到鏈條的上下層縫線，造成拉 鍵縫線斷裂箱包壽命減短，拉鏈產品存在著此瑕疵情況。 【新型内容】 本創作第-目的在提供一種雙層鏈齒之尼龍拉鏈，其 3 M442737 透過拉鏈頭結構改良，以克服習知拉鏈頭_彎曲處容易 造成鏈齒爆開的問題’為了使拉鏈頭可以滑順的通過彎曲 部位，並防止彼此要扣合的兩鏈條暴開 ，進而使雙層鏈齒 之尼龍拉鏈適合應用在行李箱或背包上。 本創作第一目的在提供一種雙層鍵齒之尼龍拉鍵，其 透過雙層鏈就餘制鏈條結構改良，避免鏈條的縫線 與拉鏈頭接觸’能克服習知拉鏈縫線容易被磨損的問題， 進而達到防止縫線磨斷之目的。 為達上述目的’本創作雙層鏈齒之尼龍拉鏈，其較佳 實施内谷係包含：二拉鏈帶，各該拉鏈帶包含—鏈布、分 別》又置於該鏈布上面及下面同—邊的兩鏈條，及縫合該鍵 條的縫線；該鏈條為-塑膠條連續捲繞成複數個螺旋線圈 的長條，各該螺旋線圈包含位於一側用以彼此扣合的一扣 合部’及—用以縫在該鏈布的縫合部；該鏈布上面的鏈條 的各該縫合部設有-凹槽，該鏈布下面的鏈條表面設有一 布條並覆蓋於各料合部過該鏈布上面的各 該螺旋線__，並繞過該鏈布下面的各_旋線圈與 該布條，分別將該鏈條固^於該鏈布上面及下面。一拉鍵 頭”亥拉鏈頭包合-上導板，一下導板，一連接於該上導 板與該下導板之間的隔板…形成於該上導板的扣釣，及 ，，且σ於4扣鉤的拉片，該上導板與該下導板的第一端彼 此齊平’該上導板相反的第二端比該下導板相反的第二端 伸長’以形成-鏈條料併合容許㈣，俾維護拉鏈在彎 曲併合時上下對應的鏈齒能同時被抓牢。 M442737 藉此，本創作雙層鏈齒之尼龍拉鏈，能夠安裝應用在 行李箱或背包等物品上，當拉鏈頭移動通過行李箱或背包 的彎角處時，能利用鏈條彎曲併合容許空間及護板上、下 圓角的設計，防止拉鏈頭與鏈條相互干涉，因此能夠達到 滑順拉動拉鏈頭及防止兩鏈條暴開的功效。再者，本創作 在上面鏈條的縫合部凹設有凹槽，使縫線沉置在凹槽中， 而下面鏈條的縫合部設有布條，使縫線沉陷在布條，因此 能避免鏈條的縫線與拉鏈頭接觸，達到防止縫線磨損的功 ® 效。另外，更能利用下面鏈條設有布條的結構，讓箱包缝 製時容易辨視拉鏈的正反面。 【實施方式】 茲依附圖實施例將本創作之結構特徵及其他之作用、 目的詳細說明如下： 如第一圖所示，本創作雙層鏈齒之尼龍拉鏈，其較佳 的實施例包含二拉鏈帶1及一拉鏈頭2，其中： φ 如第一圖所示，各該拉鏈帶1包含一鏈布11、分別設 置於鏈布11上面及下面同一邊緣的兩鏈條12、12’，及縫合 鏈條12、12’於鏈布11的縫線13，以形成雙層鏈齒的結構。 其中，該鏈布11係為紡織布。如第六圖至第九圖所示，該 鏈條12、12’為一塑膠條連續捲繞成複數個螺旋線圈121、 121’的長條，使鏈條12、12’沿著鏈布11的一邊延伸，各該 螺旋線圈121、121’包含位於一側用以彼此扣合的一扣合部 122、122’，及一用以縫在該鏈布的縫合部123、123’ ； 如 第六圖及第七圖所示，該鏈布11上面的鏈條12的各該縫合 M442737 部123設有一凹槽124 ;如第八圖及第九圖所不’該鍵布11 下面的鏈條12’表面設有一布條125並覆蓋於各縫合部123’ 。而該縫線13係繞過鏈布11上面的各螺旋線圈121的凹槽 124，並繞過鏈布11下面的各螺旋線圈121’與布條125，藉 此分別將鏈條12、12’固定於鏈布11的上面及下面。 如第二圖至第五圖所示，該拉鏈頭2係一體成型的滑 動件，並鏈合在二拉鏈帶1之間，其包含一上導板21，一 下導板22，一連接於上導板21與下導板22之間的隔板23， 一形成於上導板21的扣鉤24，及一組合於扣鉤24的拉片25 。其中，該上導板21與下導板22的一第一端211、221彼此 齊平，並使隔板23連接於第一端211、22.1之間，而該上導 板21相反的另一第二端212比該下導板22相反的另一第二 端222伸長，以在下導板22的第二端222形成一鏈條彎曲併 合容許空間26。如第四圖所示，該上導板21的第二端212 與下導板22第二端222的斜切線A與垂直線B呈20°至30 。狹角0，藉以形成較佳的鏈條彎曲併合容許空間26。再 者，該上導板21的兩側邊可分別形成有一上護板213，使上 護板213朝向下導板22方向延伸，且上護板213的邊角形成 一上圓角214。而，該下導板22的兩側邊可分別形成有一下 護板223，使下護板223朝向上導板21方向延伸，且下護板 223的邊角同樣形成一下圓角224。 藉上述拉鏈帶1及拉鏈頭2的結構改良及組合關係設 計，參閱第一圖所示，就能組成本創作雙層鏈齒之尼龍拉 鏈，再如第九圖所示，特別適合應用在行李箱10或背包等 M442737 需要防竊的物品上，利用鏈布11兩面都設有鏈條12的雙層 結構’達到防止竊賊刺開鏈條12的功能。 再如第二圖至第五圖所示，為提供使用者配掛鎖具， 將拉鏈頭2固定在行李箱或背包的選定處’或將拉鏈頭2 固定在同一拉鏈的其他拉鏈頭上’防止拉鏈頭2被任意拉 開，本創作該拉鏈頭2的上導板21可設有一用以配掛鎖具 的扣環27。 為防止縫合鏈條12、12,的縫線13與拉鏈頭2發生磨擦 ，如第六圖及第七圖所示，本創作係於上面的鏈條12的縫 合部123設有凹槽124,當縫線13繞過凹槽124而縫在鏈布11 時，將能避免縫線13被拉鏈頭2磨損。如第八圖及第九圖 所示，本創伟於下面的鏈條12’的縫合部123則設有布條125 ，當縫線13縫在布條125時，使縫線13緊束布條125，致使 縫線13陷入布條125的表面，因此也能避免縫線13被拉鏈頭 2磨損，而且可以利用布條125辨視拉鏈的正反面。 鲁 >第十圖及第十-g所示，本創作使用時，能夠安裝 李箱或背包的彎1角處時， Λ « Λ 利用下導板22—端的鏈條彎曲併M442737 V. New description: [New technical field] This is a nylon zipper with double-layered chain teeth, especially nylon double-layer fasteners suitable for double-chain fasteners used in luggage, backpacks and tents. [Prior Art] The conventional nylon pull key is a single-layer fastener element. However, the zipper of the single-layer chain # is weak in the anti-theft mechanism. As long as the tip of the ball pen or the tip of the stick is inserted between the two chains, it can be easily Separating the zipper will result in poor anti-theft effect when applied to the trunk. For this reason, there have been double-layer zipper designs, such as the nylon zipper tape improved as shown in Taiwanese Republic of Taiwan Announcement No. 441257, which has a chain stitched on both sides of the chain cloth to achieve the function of stab-proof and anti-theft. However, since the zipper head of the double-layer zipper has the same length at both ends (for example, US8132303, US7891061), when the zipper is applied at the corner of the trunk or the backpack, the zipper head cannot be corresponding because the angle of the two-layer sprocket is different. The strong tension of the two-sided chain at the same time at the turn, the end is due to the non-axis of the upper and lower layers (7) at the angle f, and it is very convenient (4) that one layer of sprocket is merged and the other sprocket is blasted. =, the conventional spiral chain is fixed with a suture on the chain cloth, and the stitching will be exposed on each of the spiral cuff units, which is easy to rub against the inner surface of the pull head, especially in the baggage. At the corner of the box or backpack, the upwardly bent chain makes it easier for the zipper head to be ground to the upper and lower sutures of the chain, resulting in a shortened life of the broken key seam and the zipper product. [New content] The purpose of this creation is to provide a double-chain sprocket nylon zipper with 3 M442737 improved through the zipper head structure to overcome the problem of the zipper head _ bending at the bend easily causing the sprocket to open. The head can smoothly pass through the curved portion and prevent the two chains that are to be engaged with each other from being opened, so that the double-chained nylon zipper is suitable for use in a trunk or a backpack. The first objective of the present invention is to provide a double-layered key nylon pull key, which improves the structure of the residual chain through the double-layer chain, and avoids the contact of the chain stitch with the zipper head to overcome the conventional zipper stitches which are easily worn. The problem is to prevent the stitch from being broken. In order to achieve the above purpose, the present invention has a double-chain fastener nylon zipper, and the preferred embodiment of the inner lining comprises: two zipper tapes, each of which includes a chain cloth, respectively, and is placed on the same and below the chain cloth. a pair of two sides of the chain, and a stitching for stitching the key strip; the chain is a strip of plastic strips continuously wound into a plurality of spiral coils, each of the spiral coils comprising a fastening portion on one side for fastening to each other 'And - for sewing the stitching portion of the chain cloth; each of the stitching portions of the chain above the chain cloth is provided with a groove, and the surface of the chain under the chain cloth is provided with a cloth strip and covers each material part Each of the spirals __ on the chain cloth bypasses each of the spiral coils and the strips under the chain cloth, and respectively fixes the chain on the top and bottom of the chain cloth. a pull-tab "Hair-chain head cover-upper guide plate, a lower guide plate, a partition plate connected between the upper guide plate and the lower guide plate... formed on the upper guide plate, and, And σ is a tab of the four hooks, the upper end of the upper guide and the lower end of the lower guide are flush with each other 'the opposite second end of the upper guide is elongated than the second end opposite to the lower guide to form - Chain material can be combined and allowed (4), when the maintenance zipper is bent and merged, the corresponding upper and lower sprocket teeth can be grasped at the same time. M442737 By this, the double sprocket nylon zipper can be installed on the luggage or backpack. When the zipper head moves through the corner of the trunk or the backpack, the chain can be bent to fit the space and the design of the guard plate and the lower round corners to prevent the zipper head and the chain from interfering with each other, thereby achieving a smooth pull of the zipper head. And the effect of preventing the two chains from breaking open. Furthermore, the creation has a recess in the stitching portion of the upper chain so that the stitch is placed in the groove, and the stitching portion of the lower chain is provided with a cloth strip to make the stitch Submerged in the cloth strip, thus avoiding the stitching and zipper of the chain Contact, to achieve the effect of preventing the wear of the suture. In addition, the structure of the following chain can be used to make the front and back of the zipper easy to distinguish when the bag is sewn. [Embodiment] The structural features of the creation and other functions and purposes are described in detail as follows: As shown in the first figure, the preferred embodiment of the double-chain fastener nylon zipper comprises a two-zip fastener tape 1 and a zipper head 2, wherein: As shown in the first figure, each of the zipper tapes 1 comprises a chain cloth 11, two chain strips 12, 12' respectively disposed on the same edge of the chain cloth 11 and the same lower edge, and the stitching chains 12, 12' on the chain cloth 11 The suture 13 is formed to form a double-layered sprocket. The chain cloth 11 is a woven fabric. As shown in the sixth to ninth figures, the chain 12, 12' is a continuous strip of plastic strips. The strips of the spiral coils 121, 121' extend the chains 12, 12' along one side of the chain cloth 11, and each of the spiral coils 121, 121' includes a fastening portion 122 on one side for engaging with each other, 122', and a stitching portion 123, 123' for sewing on the chain cloth; As shown in the sixth and seventh figures, each of the stitching M442737 portions 123 of the chain 12 above the chain cloth 11 is provided with a groove 124; as shown in the eighth and ninth figures, the chain below the key cloth 11 The 12' surface is provided with a strip 125 covering the respective stitching portions 123'. The suture 13 is wound around the grooves 124 of the spiral coils 121 on the chain cloth 11, and bypasses the spiral coils below the chain cloth 11. 121' and the strip 125, thereby respectively fixing the chains 12, 12' to the upper and lower sides of the chain cloth 11. As shown in the second to fifth figures, the slider 2 is an integrally formed sliding member and chain Between the two zipper tapes 1, it comprises an upper guide plate 21, a lower guide plate 22, a partition plate 23 connected between the upper guide plate 21 and the lower guide plate 22, and a buckle formed on the upper guide plate 21. The hook 24, and a pull tab 25 that is combined with the hook 24. Wherein, the first ends 211, 221 of the upper guide plate 21 and the lower guide plate 22 are flush with each other, and the partition plate 23 is connected between the first ends 211, 22.1, and the upper guide plate 21 is opposite to the other. The second end 212 is elongated from the other second end 222 opposite the lower guide 22 to form a chain bend to fit the allowable space 26 at the second end 222 of the lower guide 22. As shown in the fourth figure, the bevel line A and the vertical line B of the second end 212 of the upper guide 21 and the second end 222 of the lower guide 22 are 20 to 30. The narrow angle 0 is used to form a preferred chain bend and fit the space 26. Furthermore, the upper side edges of the upper guide plate 21 may be respectively formed with an upper guard plate 213 such that the upper guard plate 213 extends toward the lower guide plate 22, and the corners of the upper guard plate 213 form an upper rounded corner 214. Further, the lower side edges of the lower guide plate 22 may be respectively formed with a lower guard plate 223 so that the lower guard plate 223 extends toward the upper guide plate 21, and the corners of the lower guard plate 223 also form the lower rounded corners 224. By the structural improvement and combination relationship design of the zipper tape 1 and the zipper head 2, as shown in the first figure, the nylon zipper of the double-layered sprocket can be formed, and as shown in the ninth figure, it is particularly suitable for use in luggage. M442737, such as box 10 or backpack, needs to be used for theft prevention, and the double-layer structure of the chain 12 is provided on both sides of the chain cloth 11 to prevent the thief from piercing the chain 12. As shown in the second to fifth figures, in order to provide the user with a padlock, the zipper head 2 is fixed at the selected portion of the trunk or the backpack' or the zipper head 2 is fixed on the other zipper head of the same zipper. The head 2 is arbitrarily pulled apart. The upper guide 21 of the zipper head 2 can be provided with a buckle 27 for attaching a lock. In order to prevent the suture 13 of the stitching chain 12, 12 from rubbing against the zipper head 2, as shown in the sixth and seventh figures, the stitching portion 123 of the chain 12 is provided with a groove 124. When the thread 13 is sewn around the groove 124 and sewn to the chain fabric 11, it will be possible to prevent the suture 13 from being worn by the slider 2. As shown in the eighth and ninth drawings, the stitching portion 123 of the underlying chain 12' is provided with a strip 125 which, when the suture 13 is sewn to the strip 125, causes the suture 13 to be tightly bundled. 125, the suture 13 is caused to fall into the surface of the strip 125, so that the suture 13 can be prevented from being worn by the slider 2, and the strip 125 can be used to discriminate the front and back sides of the zipper. Lu >10th and 10th-g, when this creation is used, when the corner of the box of the chest or the backpack can be installed, Λ « 弯曲 use the chain of the lower guide 22 to bend and
應用在行李箱H)或背包等物品上，當拉鏈頭2滑動通過行 fApplied on luggage H) or backpacks, etc., when the zipper head 2 slides through the line f
’從帳篷内外都能拉動該 在帳 拉片 7 M442737 拉鏈頭2。 綜上所述，本創作雙層鏈齒之尼龍拉鏈，已確具實用 性與創作性，其技術手段之運用亦出於新穎無疑，且功效 與設計目的誠然符合，已稱合理進步至明。為此，依法提 出新型專利申請，惟懇請鈞局惠予詳審，並賜准專利為 禱，至感德便。 【圖式簡單說明】 第一圖為本創作較佳實施例之分解立體示意圖。 第二圖為本創作拉鏈頭較佳實施例之第一視角立體示 意圖。 第三圖為本創作拉鏈頭較佳實施例之第二視角立體示 意圖。 第四圖為本創作拉鏈頭較佳實施例之側視示意圖。 第五圖為本創作拉鏈頭較佳實施例之俯視示意圖。 第六圖為本創作拉鏈帶較佳實施例之正面示意圖。 第七圖為本創作拉鏈帶與拉鏈頭較佳實施例之剖面示 意圖。 第八圖為本創作拉鏈帶較佳實施例之反面示意圖。 第九圖為本創作拉鏈帶較佳實施例之剖面示意圖。 第十圖為本創作拉鏈頭較佳實施例之滑動狀態示意圖。 第十一圖為本創作拉鏈較佳實施例之應用狀態示意圖。 第十二圖為本創作雙拉片較佳實施例之側視示意圖。 第十三圖為本創作雙拉片較佳實施例之立體示意圖。 M442737 【主要元件符號說明】 1 拉键帶 11 鏈布 12、 12’鏈條 121 、：121’螺旋線圈 122 、122’ 扣合部 123 、123’ 縫合部 124 凹槽 125 布條 13 縫線 2 拉鏈頭 21 上導板 211 、221 第一端 212 ' 222 第二端 213 上護板 214 上圓角 22 下導板 223 下護板 224 下圓角 23 隔板 24 扣鉤 25 拉片 26 鏈條彎曲併合容許空間 27 扣環 A 斜切線 B 垂直線 Θ 狹角 10 行李箱‘The pull tab 7 M442737 zipper head 2 can be pulled from inside and outside the tent. In summary, the nylon zipper of the double-layered sprocket has been practical and creative, and its technical means are also novel and undoubted, and the effect is in line with the design purpose, which has been said to be reasonable and clear. To this end, a new type of patent application was filed according to law, but the bureau was requested to give a detailed examination and to grant a patent for prayer. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is an exploded perspective view of a preferred embodiment of the present invention. The second figure is a first perspective view of a preferred embodiment of the zipper head of the present invention. The third figure is a second perspective view of a preferred embodiment of the zipper head of the present invention. The fourth figure is a side view of a preferred embodiment of the zipper head of the present invention. The fifth figure is a top plan view of a preferred embodiment of the zipper head of the present invention. Figure 6 is a front elevational view of a preferred embodiment of the zipper tape of the present invention. The seventh drawing is a cross-sectional view of a preferred embodiment of the zipper tape and the zipper head of the present invention. The eighth figure is a schematic view of the reverse side of the preferred embodiment of the zipper tape. The ninth drawing is a schematic cross-sectional view of a preferred embodiment of the zipper tape of the present invention. The tenth figure is a schematic view showing the sliding state of the preferred embodiment of the zipper head of the present invention. The eleventh figure is a schematic diagram of an application state of the preferred embodiment of the creative zipper. Figure 12 is a side elevational view of a preferred embodiment of the creation of a double pull tab. Figure 13 is a perspective view of a preferred embodiment of the double pull tab. M442737 [Description of main component symbols] 1 Pull key belt 11 Chain cloth 12, 12' chain 121,: 121' spiral coil 122, 122' Fastening part 123, 123' Sewing part 124 Groove 125 Strip 13 Sewing 2 Zipper Head 21 upper guide 211, 221 first end 212' 222 second end 213 upper guard 214 upper fillet 22 lower guide 223 lower guard 224 lower round 23 partition 24 buckle hook 25 pull tab 26 chain bending and joint Allowable space 27 Buckle A Beveled line B Vertical line 狭 Angle 10 Luggage