WO2016000573A1 - 一种拉链链齿以及具有该拉链链齿的拉链 - Google Patents
一种拉链链齿以及具有该拉链链齿的拉链 Download PDFInfo
- Publication number
- WO2016000573A1 WO2016000573A1 PCT/CN2015/082536 CN2015082536W WO2016000573A1 WO 2016000573 A1 WO2016000573 A1 WO 2016000573A1 CN 2015082536 W CN2015082536 W CN 2015082536W WO 2016000573 A1 WO2016000573 A1 WO 2016000573A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tooth
- zipper
- fastener element
- element according
- engaging surface
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
- A44B19/04—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers
- A44B19/06—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers with substantially rectangular members having interlocking projections and pieces
Definitions
- the present invention relates to the field of zipper technology, and in particular to a zipper chain tooth having a plurality of tooth tips.
- the zipper structure of the prior art generally adopts a P-type zipper, that is, a beveled tooth head is disposed at a front end edge of the zipper element, and a corresponding tooth groove is disposed on the other side corresponding thereto, and the left and right chain of the zipper Due to the movement of the slider, the tooth leads to the lead-in and lead-in of the beveled tooth to complete the kneading action of the zipper.
- the size of the tooth head is increased as much as possible.
- the size of the base of the tooth head is basically the same as the thickness of the zipper.
- the upper and lower surfaces of the fastener elements of the prior art are mostly symmetrical plane designs, and the contact area between the upper and lower surfaces of the zipper and the inner cavity wall of the slider is large, and when the slider pulls the sprocket to engage, The upper and lower surfaces of the zipper are easily rubbed against the inner wall of the slider. Due to the numerous pull-ups, scratches are formed on the surface of the sprocket, which affects the appearance of the zipper and causes a certain degree of wear on the slider.
- the technical problem to be solved by the present invention is to provide a zipper fastener with a strong butt joint, which can prevent the zipper from being exploded by a large external force during use, thereby improving the firmness of the zipper. And reliability.
- a fastener element comprising a sprocket body, the sprocket body comprising a first engagement surface and a second engagement surface, wherein the first engagement surface is provided with at least two tooth tips, The second engaging surface is provided with at least two slots respectively corresponding to the tooth heads on the first engaging surface; the sprocket body is further provided A mouth groove is formed through the first engaging surface and the second engaging surface.
- the first engaging surface is provided with a first tooth head and a second tooth head, and the second engaging surface is respectively disposed corresponding to the first tooth head and the second tooth head. Fitted first and second slots
- the first engaging surface is parallel to the second engaging surface and has the same shape as the second engaging surface; the first engaging surface or the second engaging surface is formed by an arc edge and a chord edge Formed by a connection, the arc edge is broken at the slot
- connection of the arc edge and the chord edge has a transition chamfer.
- the tooth head is a trapezoidal body that is convex on the first side; the tooth groove is a trapezoidal groove that is concave toward the second side.
- the at least two tooth heads are all the same size; the at least two tooth slots are all the same size.
- the tooth head has a space between the arc side and the chord side of the first engaging surface.
- the length of the tooth head is smaller than the thickness of the zipper.
- the cross section of the mouth groove is an " ⁇ " shape, a "C” shape, or an arc having an arc greater than 180 degrees.
- a zipper comprising a chain belt, a slider, and a fastener element as described above.
- the zipper teeth of the present invention have the following beneficial effects:
- a plurality of trapezoidal tooth heads are respectively arranged on the zipper teeth to be meshed with a plurality of trapezoidal tooth grooves of the butt sprocket, and the butt joints are meshed by a point of engagement, thereby forming a multi-point meshing.
- a meshing line perpendicular to the length of the zipper is formed.
- DRAWINGS 1 is a schematic perspective view of a fastener element provided by the present invention.
- FIG. 2 is a front view of a fastener element provided by the present invention.
- FIG. 3 is a right side view of a fastener element provided by the present invention.
- FIG. 4 is a schematic diagram of mutual meshing of a plurality of fastener elements provided by the present invention.
- FIG. 5 is a reference view of a use state of a zipper having a fastener element provided by the present invention
- a fastener element provided by an embodiment of the present invention includes a sprocket body 1 , and the sprocket body 1 includes a first engaging surface 11 and a second engaging surface 12 , which are characterized by The first engaging surface 11 is provided with a first tooth head 21 and a second tooth head 22, and the second engaging surface 12 is provided with a first corresponding to the first tooth head 21 and the second tooth head 22 respectively.
- the sprocket 23 and the second spur 24 are further provided with a grooving groove 3 penetrating the first engaging surface 11 and the second engaging surface 12 .
- the first engaging surface 11 is parallel to the second engaging surface 12 and has the same shape as the second engaging surface 12; the first engaging surface 11 is formed by connecting the arc edge 13 and the chord edge 14
- the second engaging surface 12 is formed by the arc edge 15 being connected to the chord edge 16, and the arc edge 13 and the arc edge 15 are broken at the mouth groove 3.
- connection of the arc edge 13 and the chord edge 14 has a transition chamfer
- connection of the arc edge 15 and the chord edge 16 has a transition chamfer
- the first tooth head 21 and the second tooth head 22 have the same size, and the first tooth groove 23 and the second tooth groove 24 have the same size, which can ensure the first tooth head 21 of the zipper during the pulling process. It coincides with the meshing action of the first tooth groove 23, the second tooth head 22, and the second tooth groove 24.
- the first tooth head 21 and the second tooth head 22 are trapezoidal bodies that are convex on one side of the tooth body.
- the trapezoidal body is a rounded trapezoidal body.
- first tooth head 21 and the second tooth head 22 are respectively disposed, and the first tooth head 21 and the second part are used during use.
- the mutual influence of the tooth heads 22 is small, and even if one of the tooth tips is disengaged due to an excessive external force, the other one of the tooth tips is also prevented from being disengaged.
- the first tooth head 21 and the second tooth head 22 are spaced apart from the arc 13 and the chord line 14 of the first mating surface 11, and the distance from the arc 13 is a, the distance from the string 14 is b, so that the meshing position of the tooth head and the tooth groove is not at the edge of the sprocket, when the zipper is pulled by the left and right direction, compared with the P-shaped sprocket, the utility model The meshing of the sprocket teeth is more stable.
- the length c of the first tooth head 21 and the second tooth head 22 is smaller than the thickness d of the zipper.
- the length c of the tooth head is less than 1/2 of the thickness d of the zipper, it should be appreciated that
- a plurality of tooth heads can be arranged in the thickness direction of the zipper, and the meshing strength between the zipper elements is increased by multi-point meshing, thereby improving the reliability of the zipper.
- the section of the mouth groove 3 is an " ⁇ " shape, a "C” shape, or an arc having an arc greater than 180 ⁇ .
- the sprocket is fixed on two chain belts of the zipper, and the sprocket on the two sprocket belts are butt jointed, and the first tooth head 21 and the first tooth groove of the butted sprocket mesh with each other, the second tooth head 22 intermeshes with the second slot of the butted sprocket (refer to Figure 4).
- Two tooth heads are used on the chain teeth, so that the zipper pulls to form a frame-type meshing structure, and the zipper can withstand large external forces and is not easy to burst.
- an embodiment of the present invention further provides a zipper that uses the zipper teeth as described above.
- a plurality of tooth tips are formed under a continuous stamping die.
Landscapes
- Slide Fasteners (AREA)
Abstract
一种拉链链齿,包括链齿本体(1)。链齿本体(1)包括第一啮合面(11)和第二啮合面(12)。第一啮合面(11)上设置有至少两个齿头(21、22),第二啮合面(12)上设置有分别与第一啮合面(11)上的齿头(21、22)相对应配合的至少两个齿槽(23、24)。链齿本体(1)上还设置有贯穿第一啮合面(11)及第二啮合面(12)的开口槽(3)。该拉链链齿的对接链齿之间由一点啮合变为多点啮合,此多点啮合形成了一条垂直于拉链长度方向的啮合线,在拉链拉合后会形成一组框架状的啮合结构,使得拉链左右方向的抗拉力和正面的抗尖锐物体撞击的能力都得到增强,极大的提高了拉链的可靠性和在某些特殊领域的安全性。
Description
发明名称:一种拉链链齿以及具有该拉链链齿的拉链
技术领域
[0001] 本实用新型涉及拉链技术领域, 特别是涉及一种具有多个齿头的拉链链齿。
背景技术
[0002] 现有技术的拉链结构普遍采用一种 P型拉链, 即在拉链链齿的前端边缘处设置 斜角齿头, 并在与其对应的另一面设置一个对应的齿槽, 拉链的左右链齿由于 拉头的移动, 带动斜角齿头的导出导入以完成拉链的幵合动作, 为了最大程度 的提高齿头与对接的齿槽的扣合力, 则尽可能增大齿头的尺寸, 使齿头的基座 尺寸与拉链的厚度基本一致, 但是, 这种设计使链齿与链齿之间的扣合只形成 一个咬合点, 拉链拉合后只形成一条扣合线, 当拉链受到左右方向较大外力的 撕扯, 尤其是被尖锐的硬物正面撞击吋, 带多面斜口的齿头的咬合点就会较容 易顺着斜口的方向连续脱幵, 最终使拉链爆幵, 降低了拉链的可靠性。
[0003] 另外, 现有技术的拉链链齿的上下表面多为对称的平面设计, 拉链的上下表面 与拉头的内腔壁的接触面积较大, 当拉头拉动链齿咬合的过程中, 拉链的上下 表面与拉头的内腔壁易产生摩擦, 由于无数次的拉合, 会在链齿表面形成划痕 , 影响拉链的美观, 也会对拉头造成一定程度的磨损。
技术问题
问题的解决方案
技术解决方案
[0004] 本实用新型所要解决的技术问题是提供一种对接咬合牢固的拉链链齿, 所述拉 链链齿能够防止拉链在使用过程中受到较大的外力而爆幵, 提高了拉链的牢固 性和可靠性。
[0005] 为解决上述技术问题, 本实用新型所采用的技术方案是:
[0006] 一种拉链链齿, 包括链齿本体, 所述链齿本体包括第一啮合面和第二啮合面, 其特征在于所述第一啮合面上设置有至少两个齿头, 所述第二啮合面上设置有 分别与第一啮合面上的齿头相对应配合的至少两个齿槽; 所述链齿本体上还设
置有贯穿第一啮合面及第二啮合面的幵口槽。
[0007] 作为一种优选方案, 所述第一啮合面上设置有第一齿头及第二齿头, 所述第二 啮合面上设置有分别与第一齿头及第二齿头相对应配合的第一齿槽及第二齿槽
[0008] 作为一种优选方案, 所述第一啮合面平行于所述第二啮合面且与第二啮合面形 状相同; 所述第一啮合面或第二啮合面由弧边与弦边相连接而形成, 所述弧边 在所述幵口槽处断幵
[0009] 作为一种优选方案, 所述弧边与弦边的连接具有过渡倒角。
[0010] 作为一种优选方案, 所述齿头为凸起于第一侧面的梯形体; 所述齿槽为凹向于 第二侧面的梯形凹槽
[0011] 作为一种优选方案, 所述至少两个齿头的尺寸均相同; 所述至少两个齿槽的尺 寸均相同。
[0012] 作为一种优选方案, 所述齿头与所述第一啮合面的弧边和弦边之间具有间隔。
[0013] 作为一种优选方案, 所述齿头的长度小于拉链的厚度。
[0014] 作为一种优选方案, 所述幵口槽的截面为 "Ω"形、 "C"形或弧度大于 180度的弧 形。
[0015] 一种拉链, 包括链带、 拉头, 以及如上所述的拉链链齿。
发明的有益效果
有益效果
[0016] 本实用新型的拉链链齿与现有技术相比, 所产生的有益效果是:
[0017] 本实用新型在拉链链齿上设置多个梯形齿头分别与对接链齿的多个梯形齿槽啮 合连接, 对接链齿之间由一点啮合变为点啮合, 由此多点啮合形成了一条垂直 于拉链长度方向的啮合线, 在拉链拉合后会形成一组框架状的啮合结构, 不但 使左右方向的抗拉力得到一倍以上的提升, 当链齿的正面受到尖锐外物撞击而 出现单个齿头脱落趋势吋, 其余的链齿上的齿头会同吋因此外力而扣合得更加 紧密, 极大的提高了拉链的可靠性和在某些特殊领域的安全性。
对附图的简要说明
附图说明
[0018] 图 1是本实用新型提供的拉链链齿的立体结构示意图。
[0019] 图 2是本实用新型提供的拉链链齿的主视图
[0020] 图 3是本实用新型提供的拉链链齿的右视图
[0021] 图 4是本实用新型提供的多个拉链链齿相互啮合示意图
[0022] 图 5是具有本实用新型提供的拉链链齿的拉链的使用状态参考图
本发明的实施方式
[0023] 下面结合附图对本实用新型做以下详细说明。
[0024] 如图 1所示, 本实用新型一个实施例提供的拉链链齿, 包括链齿本体 1, 所述链 齿本体 1包括第一啮合面 11和第二啮合面 12, 其特征在于所述第一啮合面 11上设 置有第一齿头 21及第二齿头 22, 所述第二啮合面 12上设置有分别与第一齿头 21 及第二齿头 22相对应配合的第一齿槽 23及第二齿槽 24; 所述链齿本体 1上还设置 有贯穿第一啮合面 11及第二啮合面 12的幵口槽 3。
[0025] 所述第一啮合面 11平行于所述第二啮合面 12且与第二啮合面 12形状相同; 所述 第一啮合面 11由弧边 13与弦边 14相连接而形成, 所述第二啮合面 12由弧边 15与 弦边 16相连接而形成, 所述弧边 13及弧边 15在所述幵口槽 3处断幵。 由所述弧边 13及弧边 15在垂直于第一啮合面 11与第二啮合面 12的方向上形成一个圆弧形侧 壁, 所述圆弧形侧壁与拉头内腔表面的接触面积较小, 减少链齿与拉头间的摩 擦, 提高拉链的顺滑度。
[0026] 所述弧边 13与弦边 14的连接具有过渡倒角, 所述弧边 15与弦边 16的连接具有过 渡倒角, 则减少拉头内腔侧壁对拉链链齿的磨损。
[0027] 所述第一齿头 21与第二齿头 22的尺寸相同, 所述第一齿槽 23与第二齿槽 24的尺 寸相同, 能够保证拉链在拉合过程中第一齿头 21和第一齿槽 23、 第二齿头 22和 第二齿槽 24啮合动作的一致。
[0028] 如图 2所示, 所述第一齿头 21及第二齿头 22为凸起于齿身一个侧面的梯形体, 优选地, 梯形体为圆角梯形体。 与现有技术的斜角齿头相比, 梯形齿头的啮合 更加稳固, 不易沿斜角的方向滑出;
[0029] 另外, 第一齿头 21及第二齿头 22分别设置, 在使用过程中, 第一齿头 21及第二
齿头 22的相互影响较小, 即使因为过大的外力而可能使其中的一个齿头脱离啮 合, 也不会导致另外一个齿头也同样脱离啮合。
[0030] 如图 3所示, 所述第一齿头 21及第二齿头 22与所述第一啮合面 11的弧线 13及弦 线 14之间具有间隔, 与弧线 13的距离为 a, 与弦线 14的距离为 b, 则使得齿头与齿 槽的啮合位置未在链齿的边缘处, 当拉链受到左右方向的拉扯吋, 与 P型链齿相 比, 本实用新型的链齿的啮合更稳固。
[0031] 所述第一齿头 21及第二齿头 22的长度 c小于拉链的厚度 d, 优选的, 齿头的长度 c小于拉链的厚度 d的 1/2, 应当意识到, 作为替换的方案, 可以在拉链的厚度方 向上设置多个齿头, 通过多点啮合增大拉链链齿之间的啮合强度, 提高拉链的 可靠性。
[0032] 所述幵口槽 3的截面为 "Ω"形、 "C"形或弧度大于 180ο的弧形。
[0033] 所述链齿固定在拉链的两个链带上, 两链带上的链齿对接连接, 则第一齿头 21 与对接的链齿的第一齿槽相互啮合, 第二齿头 22与对接的链齿的第二齿槽相互 啮合 (参考图 4) 。 链齿上采用两个齿头, 使得拉链拉合后形成了一个框架式的 啮合结构, 拉链能够承受较大的外力而不易爆幵。
[0034] 如图 5所示, 本实用新型实施例还提供了一种拉链, 该拉链采用如上所述的拉 链链齿。
[0035] 本实施例中, 多个齿头采用在连续的冲压模具下成型。
[0036] 上述实施例是以拉链链齿上具有两个齿头为例进行的详细说明, 可以作为本实 用新型的一种优选方式, 但本实用新型的实施方式并不为上述实施例所限定。
Claims
[权利要求 1] 一种拉链链齿, 包括链齿本体, 所述链齿本体包括第一啮合面和第二 啮合面, 其特征在于所述第一啮合面上设置有至少两个齿头, 所述第 二啮合面上设置有分别与第一啮合面上的齿头相对应配合的至少两个 齿槽; 所述链齿本体上还设置有贯穿第一啮合面及第二啮合面的幵口 槽。
[权利要求 2] 根据权利要求 1所述拉链链齿, 其特征在于, 所述第一啮合面上设置 有第一齿头及第二齿头, 所述第二啮合面上设置有分别与第一齿头及 第二齿头相对应配合的第一齿槽及第二齿槽。
[权利要求 3] 根据权利要求 1所述拉链链齿, 其特征在于, 所述第一啮合面平行于 所述第二啮合面且与第二啮合面形状相同; 所述第一啮合面或第二啮 合面由弧边与弦边相连接而形成, 所述弧边在所述幵口槽处断幵。
[权利要求 4] 根据权利要求 3所述拉链链齿, 其特征在于, 所述弧边与弦边的连接 具有过渡倒角。
[权利要求 5] 根据权利要求 1所述拉链链齿, 其特征在于, 所述齿头为凸起于第一 侧面的梯形体; 所述齿槽为凹向于第二侧面的梯形凹槽。
[权利要求 6] 根据权利要求 1所述拉链链齿, 其特征在于, 所述至少两个齿头的尺 寸均相同; 所述至少两个齿槽的尺寸均相同。
[权利要求 7] 根据权利要求 1所述拉链链齿, 其特征在于, 所述齿头与所述第一啮 合面的弧边和弦边之间具有间隔。
[权利要求 8] 根据权利要求 1所述拉链链齿, 其特征在于, 所述齿头的长度小于拉 链的厚度。
[权利要求 9] 根据权利要求 1所述拉链链齿, 其特征在于, 所述幵口槽的截面为 "Ω
"形、 "C"形或弧度大于 180度的弧形。
[权利要求 10] —种拉链, 包括链带、 拉头, 以及权利要求 1-9任意一项所述的拉链 链齿。
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Application Number | Priority Date | Filing Date | Title |
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CN201420358035.8 | 2014-06-30 | ||
CN201420358035.8U CN203986429U (zh) | 2014-06-30 | 2014-06-30 | 一种拉链链齿以及具有该拉链链齿的拉链 |
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CN203986429U (zh) * | 2014-06-30 | 2014-12-10 | 吴弘纳 | 一种拉链链齿以及具有该拉链链齿的拉链 |
CN205285277U (zh) * | 2015-11-17 | 2016-06-08 | 吴弘纳 | 一种拉链链齿、拉头及具有该链齿与拉头的拉链 |
CN106165946A (zh) * | 2016-08-31 | 2016-11-30 | 理想(广东)拉链实业有限公司 | 一种圆制拉链牙 |
CN116990009B (zh) * | 2023-09-28 | 2023-12-29 | 南通美乐柯材料科技有限公司 | 一种拉链顺滑度检测装置及检测方法 |
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US1639392A (en) * | 1926-08-06 | 1927-08-16 | Wittenberg Robert | Fastening device |
US1775419A (en) * | 1926-06-24 | 1930-09-09 | Mishawaka Rubber & Woolen Mfg | Fastener |
CN1120983A (zh) * | 1994-08-24 | 1996-04-24 | Ykk株式会社 | 拉链链牙及其成型方法和设备 |
CN200959886Y (zh) * | 2006-09-19 | 2007-10-17 | 东莞大兴拉链厂有限公司 | 一种高强度三点粟米牙拉链链齿 |
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CN104095353A (zh) * | 2014-07-22 | 2014-10-15 | 福建浔兴拉链科技股份有限公司 | 具有上下牙点的拉链带 |
CN203986429U (zh) * | 2014-06-30 | 2014-12-10 | 吴弘纳 | 一种拉链链齿以及具有该拉链链齿的拉链 |
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2014
- 2014-06-30 CN CN201420358035.8U patent/CN203986429U/zh not_active Expired - Lifetime
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- 2015-06-26 WO PCT/CN2015/082536 patent/WO2016000573A1/zh active Application Filing
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CH110730A (de) * | 1924-06-05 | 1925-07-01 | Othmar Dr Winterhalter | Lösbare Verbindung von Stoff-, Leder- und dergleichen Bahnen. |
US1775419A (en) * | 1926-06-24 | 1930-09-09 | Mishawaka Rubber & Woolen Mfg | Fastener |
US1639392A (en) * | 1926-08-06 | 1927-08-16 | Wittenberg Robert | Fastening device |
CN1120983A (zh) * | 1994-08-24 | 1996-04-24 | Ykk株式会社 | 拉链链牙及其成型方法和设备 |
CN200959886Y (zh) * | 2006-09-19 | 2007-10-17 | 东莞大兴拉链厂有限公司 | 一种高强度三点粟米牙拉链链齿 |
CN102006797A (zh) * | 2008-04-14 | 2011-04-06 | Ykk株式会社 | 金属制单边啮合齿以及双向拉链 |
CN203986429U (zh) * | 2014-06-30 | 2014-12-10 | 吴弘纳 | 一种拉链链齿以及具有该拉链链齿的拉链 |
CN104095353A (zh) * | 2014-07-22 | 2014-10-15 | 福建浔兴拉链科技股份有限公司 | 具有上下牙点的拉链带 |
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