Rigid zipper strip, invisible zipper and product with zipper

Abstract

The utility model provides a zipper strip with rigidity, an invisible zipper and a product with the zipper, the zipper strip comprises a zipper cloth tape and zipper teeth, and the zipper cloth tape is sequentially provided with a cloth tape main body part, a cloth tape bending part and a zipper tooth mounting part along the width direction; the zipper tooth mounting part specifically comprises a sewing needle inserting part and a monofilament weaving part, the sewing needle inserting part adopts yarns as warp yarns, the monofilament weaving part adopts skin-core hot melting monofilaments with outer skins and inner cores as warp yarns, and the hot melting temperature of the outer skins is lower than that of the inner cores; the zipper teeth and the sewing needle penetrating part are sewn together through a sewing thread; and after the zipper teeth are sewn, the monofilament weaving part is connected with the sewing needle penetrating part into a whole in a manner of hot melting the outer skin. The zipper strip has the advantages that the rigidity of the whole zipper strip can be effectively improved, the situation that the bent part of a cloth belt is deformed and turned outwards and zipper teeth are exposed in the using process of the zipper strip is avoided, and a sewing needle or a sewing thread cannot be broken in the zipper tooth sewing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to zip fastener technical field, especially in possessing rigid zip fastener, invisible zip fastener and take zip fastener product. BACKGROUND

[0002] Because the rigidity of the zip fastener is insufficient, when the invisible zip fastener is installed on the automobile seat or the like, the powerful tension of the seat skin or the like will cause the deformation and evertedness of the cloth tape bending part of the zip fastener and the exposure of the zipper teeth, so that the separation of the zipper teeth on the left and right sides is easily caused when the zipper head pulls together the zip fastener.

[0003] When the rigidity of the zipper tooth mounting part of the zip fastener is increased, the deformation and evertedness of the cloth tape bending part and the exposure of the zipper teeth can be solved, but in the process of sewing the zipper teeth to the zipper tooth mounting part, the sewing needle and the sewing thread need to be continuously inserted into the zipper tooth mounting part, and the too great rigidity of the zipper tooth mounting part is also easy to cause the breakage of the sewing needle or the sewing thread, thereby leading to the failure to realize the continuous normal production. SUMMARY

[0004] The utility model wants to solve the technical problem, in order to provide a kind of zip fastener with rigidity, invisible zip fastener and take zip fastener product, it can reach the rigidity of zip fastener while increasing, and make the sewing needle or sewing thread not be broken in the process of sewing zipper tooth.

[0005] The utility model is realized as follows:

[0006] First, a kind of zip fastener with rigidity, including zip fastener cloth tape and zipper tooth, the zip fastener cloth tape is sequentially provided with cloth tape main body part, cloth tape bending part and zipper tooth mounting part along width direction;The zipper tooth mounting part specifically includes sewing needle insertion part and weaving monofilament part, the sewing needle insertion part uses yarn as warp, the weaving monofilament part uses the skin-core hot melt monofilament with skin and core as warp, the hot melting temperature of the skin is less than the hot melting temperature of the core;The zipper tooth is sewn together with sewing needle insertion part by sewing thread;The weaving monofilament part is integrated with sewing needle insertion part by the way of hot melting skin after sewing zipper tooth.

[0007] Further, the zipper tooth mounting part is provided with at least two sewing needle insertion parts and at least two weaving monofilament parts along the width direction of zip fastener cloth tape, and the sewing needle insertion part and the weaving monofilament part are alternately arranged.

[0008] Further, the sewing needle insertion part uses two-up two-down twill weave.

[0009] Further, the weaving monofilament part uses two-up two-down warp heavy plain weave.

[0010] Further, the fabric belt bending part adopts one over one and two over two weave structures; and the fabric belt main part adopts two over two diagonal weave structure.

[0011] Further, the heat melting temperature of the warp yarns of the fabric belt main part, the fabric belt bending part and the sewing needle penetrating part and the weft yarns of the zipper fabric belt are all greater than the heat melting temperature of the outer skin.

[0012] Further, the diameter of the core-sheath heat melting monofilament is 0.25mm-0.40mm.

[0013] Further, the warp yarns of the fabric belt main part, the fabric belt bending part and the sewing needle penetrating part all adopt polyester network yarns with a specification of 333dtex; and the weft yarns of the zipper fabric belt adopt polyester yarns with a specification of 500dtex-1000dtex.

[0014] The second aspect is a hidden zipper, which comprises two zipper tapes as described above and a zipper head for driving the two zipper tapes to realize the opening and closing function.

[0015] The third aspect is a zipper product, which adopts the hidden zipper as described above.

[0016] The sewing needle penetrating part adopts yarn as the warp yarn, and the weaving monofilament part adopts the core-sheath heat melting monofilament with the outer skin and the inner core as the warp yarn. On the one hand, the core-sheath heat melting monofilament has stronger rigidity than the yarn, and the weaving of the core-sheath heat melting monofilament can improve the rigidity of the whole chain tooth mounting part, and the sewing needle penetrating part can facilitate the insertion of the sewing needle and the sewing thread due to the smaller rigidity of the yarn. On the other hand, the heat melting temperature of the outer skin of the core-sheath heat melting monofilament is less than the heat melting temperature of the inner core, and after the zipper tooth is sewn to the sewing needle penetrating part, the zipper tape can be heat set to make the outer skin melt and diffuse and then re-solidify, so that the weaving monofilament part and the sewing needle penetrating part can be integrated to further improve the rigidity of the whole chain tooth mounting part. Therefore, by adopting the technical solution of the present application, the rigidity of the whole zipper tape can be effectively improved, the deformation and everted of the fabric belt bending part and the exposure of the zipper tooth can be avoided during use, the sewing needle or the sewing thread can be prevented from being broken during the sewing of the zipper tooth, and the continuous normal production can be realized to achieve the effect of increasing production and reducing consumption. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below with reference to the embodiments and the accompanying drawings.

[0018] Figure 1 is a structure diagram of the present application after the zipper tooth is sewn to the zipper tape with rigidity;

[0019] Figure 2 is a structure diagram of the rigid zipper strip in sewing the zipper teeth of the utility model;

[0020] Figure 3 is a weave diagram of the zipper tape of the utility model;

[0021] Figure 4 is a weaving structure diagram of the zipper tape of the utility model;

[0022] Figure 5 is a structure diagram of the core hot melt monofilament of the utility model;

[0023] Figure 6 is a sectional view of the invisible zipper before heat setting;

[0024] Figure 7 is a sectional view of the invisible zipper after heat setting;

[0025] Figure 8 is a back structure diagram of the invisible zipper of the utility model;

[0026] Figure 9 is a structure diagram of a seat using the invisible zipper of the utility model.

[0027] Explanation of reference signs:

[0028] Zipper strip 100;

[0029] Invisible zipper 200;

[0030] Seat 300;

[0031] Zipper tape 1, tape main body part 11, tape bending part 12, zipper tooth mounting part 13, sewing needle insertion part 131, woven monofilament part 132;

[0032] Zipper tooth 2;

[0033] Yarn 31, core hot melt monofilament 32, outer skin 321, inner core 322, weft yarn 33;

[0034] Sewing thread 4;

[0035] Sewing needle 5;

[0036] Zipper head 6. DETAILED DESCRIPTION

[0037] In order to better understand the technical scheme of the utility model, the technical scheme of the utility model will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0038] It should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. In addition, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second", etc. can be explicitly or implicitly included one or more of the features. Embodiment one

[0039] Please refer to Figures 1 to 5 As shown in the drawings, the utility model discloses a rigid zipper 100, the zipper 100 includes zipper tape 1 and zipper tooth 2, the zipper tape 1 is sequentially provided with tape main body part 11, tape bending part 12 and zipper mounting part 13 along the width direction, the zipper mounting part 13 specifically includes sewing needle insertion part 131 and weaving monofilament part 132, the sewing needle insertion part 131 adopts yarn 31 as warp, the weaving monofilament part 132 adopts core-sheath hot melt monofilament 32 with sheath 321 and inner core 322 as warp (such as Figure 5 The hot melt temperature of the sheath 321 is less than the hot melt temperature of the inner core 322, so that when the sheath 321 is hot melted, the inner core 322 will not be hot melted off. It should be noted that the core-sheath hot melt monofilament 32 with the sheath 321 and the inner core 322 in the utility model belongs to the prior art, and detailed introduction can be referred to in CN102277638A or CN111133140A. The utility model only applies the core-sheath hot melt monofilament 32 to the zipper mounting part 13 of the zipper 100.

[0040] The zipper tooth 2 is sewn together with the sewing needle insertion part 131 through the sewing thread 4, and specifically needs to adopt the sewing needle 5 to drive the sewing thread 4 to move to realize that the zipper tooth 2 is sewn together with the sewing needle insertion part 131. The weaving monofilament part 132 is integrated with the sewing needle insertion part 131 by hot melting the sheath 321 after sewing the zipper tooth 2, that is, after sewing the zipper tooth 2 to the sewing needle insertion part 131 of the zipper mounting part 13, the zipper 100 needs to be hot pressed and shaped. The sheath 321 of the weaving monofilament part 132 will be hot melted and diffused and infiltrated into the sewing needle insertion part 131 during hot pressing. After hot pressing is completed, the hot melted and diffused sheath components will recondense and solidify, so that the weaving monofilament part 132 and the sewing needle insertion part 131 can be integrated.

[0041] The utility model discloses a sewing needle 5 and sewing thread 4 can be inserted through the sewing needle insertion part 131 of chain tooth mounting part 13, and the sewing needle insertion part 131 is provided with at least two sewing needle insertion parts 131 and at least two single silk weaving parts 132, and the sewing needle insertion part 131 and single silk weaving part 132 are arranged alternately, so that the sewing needle insertion part 131 can be sewn together with zipper tooth 2 when sewing zipper tooth 2, thereby ensuring that zipper tooth 2 can be reliably combined with chain tooth mounting part 13.

[0042] In the utility model, the heat melting temperature of warp (that is, yarn 31) of cloth tape main body part 11, cloth tape bending part 12 and sewing needle insertion part 131 and weft 33 of zipper cloth tape 1 is all greater than the heat melting temperature of outer skin 321, to ensure that only outer skin 321 is melted and diffused in the process of hot pressing and setting of zipper strip 100, and inner core 322, weft 33 and yarn 31 all will not melt.

[0043] In some embodiments of the utility model, the chain tooth mounting part 13 is provided with at least two sewing needle insertion parts 131 and at least two single silk weaving parts 132 along the width direction of zipper cloth tape 1, and the sewing needle insertion part 131 and single silk weaving part 132 are arranged alternately. As a specific embodiment of the utility model, the chain tooth mounting part 13 is provided with two sewing needle insertion parts 131 and three single silk weaving parts 132, and the sewing needle insertion part 131 and single silk weaving part 132 are arranged alternately.

[0044] The utility model discloses a sewing needle 5 and sewing thread 4 can be inserted through the sewing needle insertion part 131 of chain tooth mounting part 13, and the sewing needle insertion part 131 is provided with at least two sewing needle insertion parts 131 and at least two single silk weaving parts 132, and the sewing needle insertion part 131 and single silk weaving part 132 are arranged alternately, so that the sewing needle insertion part 131 can be sewn together with zipper tooth 2 when sewing zipper tooth 2, thereby ensuring that zipper tooth 2 can be reliably combined with chain tooth mounting part 13.

[0045] In some embodiments of the utility model, the sewing needle insertion part 131 adopts two-over-two twill weave. By adopting two-over-two twill weave, the structure of the whole sewing needle insertion part 131 is relatively soft, so that the normal sewing of the zipper tooth 2 is not affected, and after the zipper tooth 2 is sewn, the sewing thread 4 can be bound and combined with the sewing needle insertion part 131, and then combined with the heat melting diffusion and re-coagulation solidification of the outer skin 321, the rigidity of the sewing needle insertion part 131 can be effectively strengthened, so that the rigidity of the whole zipper tooth mounting part 13 can be effectively ensured.

[0046] In some embodiments of the utility model, the woven monofilament part 132 adopts two-over-two warp heavy plain weave, and the skin-core hot melt monofilament 32 is used as the warp yarn in the woven monofilament part 132. The rigidity of the skin-core hot melt monofilament 32 is relatively large, and if tight weave is adopted, the skin-core hot melt monofilament 32 will be difficult to be normally woven, and the zipper tape 1 will be deformed. Therefore, the woven monofilament part 132 of the utility model adopts two-over-two warp heavy plain weave, and the two-over-two warp heavy plain weave is more soft than the two-over-two twill weave, so that the hard skin-core hot melt monofilament 32 can be more conveniently and normally woven.

[0047] In some embodiments of the utility model, the tape bending part 12 adopts one-over-one and two-over-two weave, that is, the tape bending part 12 has a part adopting one-over-one plain weave and another part adopting two-over-two twill weave. For example, the tightest one-over-one plain weave can be adopted on the side close to the zipper tooth mounting part 13, and the relatively soft two-over-two twill weave can be adopted on the side close to the tape main body part 11. The tape main body part 11 adopts two-over-two twill weave.

[0048] In some embodiments of the utility model, the diameter of the skin-core hot melt monofilament 32 is 0.25-0.40 mm. In the specific implementation of the utility model, the number of the skin-core hot melt monofilaments 32 woven in the woven monofilament part 132 can be increased or reduced according to the diameter of the actually selected skin-core hot melt monofilament 32 and the specification of the zipper strip 100, so as to achieve the required rigidity effect.

[0049] As a specific embodiment of the utility model, the heat melting temperature of the outer skin 321 is 150-160 degrees, and the heat melting temperature of the inner core 322 is about 200 degrees. In this way, when the zipper strip 100 is heat pressed and shaped, only an oven with a temperature of 175 degrees is needed to heat press the zipper strip 100 for about 2 minutes, so that the outer skin 321 can be heat melted and diffused and infiltrated into the sewing needle insertion part 131.

[0050] In some embodiments of the utility model, in order to ensure the performance of the obtained zipper tape 1 after weaving, the warp yarns of the tape main body part 11, the tape bending part 12 and the sewing needle insertion part 131 all adopt polyester network yarn with a specification of 333dtex, that is, the tape main body part 11, the tape bending part 12 and the sewing needle insertion part 131 all adopt yarn 31 as warp yarns; the weft yarn 33 of the zipper tape 1 adopts polyester yarn with a specification of 500dtex-1000dtex. Embodiment two

[0051] Please refer to Figures 1 to 8 The utility model discloses a hidden zipper 200, the hidden zipper 200 includes two zipper strips 100 and the zipper head 6 of driving two the zipper strip 100 and realizes the function of opening and closing, wherein, the specific structure of zipper strip 100 is completely same with embodiment one, and specifically please refer to the detailed introduction of embodiment one, here will not repeat here. Because the rigidity of the hidden zipper 200 of the utility model is big, the tape bending part 12 of left and right two zipper strips 100 can stably maintain the close contact state of each other in the use process, and the tape bending part 12 deformation everted and zipper tooth 2 exposed situation can not appear, can improve the concealment of hidden zipper 200. Embodiment three

[0052] Please refer to Figures 1 to 9 The utility model discloses a zipper product, the specific structure and the technical effect that can obtain of hidden zipper 200 are completely same with embodiment two, and specifically please refer to the detailed introduction of embodiment two, here will not repeat here.

[0053] As Figure 9 The utility model discloses a zipper product, the specific structure and the technical effect that can obtain of hidden zipper 200 are completely same with embodiment two, and specifically please refer to the detailed introduction of embodiment two, here will not repeat here.

[0054] Although the specific embodiments of the utility model are described above, skilled in the art should understand that the specific embodiments we described are only illustrative, and are not used to limit the scope of the utility model, and equivalent modifications and changes made according to the spirit of the utility model by skilled in the art should be covered in the scope of protection of the claims of the utility model.

Claims

1. A rigid fastener chain comprising a fastener tape and a fastener element, the fastener tape being provided with a tape main body portion, a tape bending portion, and a fastener element mounting portion in this order in a width direction; characterized in that: The chain mounting part specifically comprises a sewing needle insertion part and a single filament weaving part, the sewing needle insertion part uses yarn as warp, the single filament weaving part uses a core-sheath hot melt single filament with a sheath and a core as warp, the hot melt temperature of the sheath is less than that of the core; the zipper is sewn together with the sewing needle insertion part through a sewing needle; the single filament weaving part is integrated with the sewing needle insertion part through the hot melt sheath after the zipper is sewn.

2. The rigid fastener chain of claim 1, wherein: The chain mounting part is provided with at least two sewing needle insertion parts and at least two single filament weaving parts along the width direction of the zipper tape, and the sewing needle insertion parts and the single filament weaving parts are arranged alternately.

3. The rigid fastener chain of claim 1, wherein: The sewing needle insertion part adopts two-over-two twill weave.

4. The rigid fastener chain of claim 1, wherein: The single filament weaving part adopts two-over-two warp-repeating weave.

5. The rigid fastener chain of claim 1, wherein: The tape bending part adopts one-over-one and two-over-two weave; the tape main part adopts two-over-two twill weave.

6. The rigid fastener chain of claim 1, wherein: The hot melt temperature of the warp of the tape main part, the tape bending part and the sewing needle insertion part and the weft of the zipper tape is greater than the hot melt temperature of the sheath.

7. The rigid fastener chain of claim 1, wherein: The diameter of the core-sheath hot melt single filament is 0.25-0.40 mm.

8. The rigid fastener chain of claim 1, wherein: The warp of the tape main part, the tape bending part and the sewing needle insertion part all uses polyester network yarn with a specification of 333 dtex; the weft of the zipper tape uses polyester yarn with a specification of 500-1000 dtex.

9. A concealed zipper characterized by: It comprises two zipper tapes as claimed in any one of claims 1-8 and a zipper head for driving the two zipper tapes to realize opening and closing functions.

10. A zipped article characterized by: The zipper product adopts the invisible zipper as claimed in claim 9. The zipper product adopts the invisible zipper as claimed in claim 9.

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