CN112263055A - Two-in-one sewing method and structure for double-layer zipper - Google Patents
Two-in-one sewing method and structure for double-layer zipper Download PDFInfo
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- CN112263055A CN112263055A CN202011163761.0A CN202011163761A CN112263055A CN 112263055 A CN112263055 A CN 112263055A CN 202011163761 A CN202011163761 A CN 202011163761A CN 112263055 A CN112263055 A CN 112263055A
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- layer
- zipper
- layer cloth
- sewing
- belts
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/40—Connection of separate, or one-piece, interlocking members to stringer tapes; Reinforcing such connections, e.g. by stitching
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B23/00—Sewing apparatus or machines not otherwise provided for
Abstract
The invention relates to a two-in-one sewing method and a two-in-one sewing structure for a double-layer zipper, which comprise two inner-layer cloth belts, two surface-layer cloth belts, a first zipper tooth corresponding to the inner-layer cloth belts and a second zipper tooth corresponding to the surface-layer cloth belts, wherein the inner-layer cloth belts are wider than the surface-layer cloth belts; the method comprises the following steps: s1, bending one end of the surface layer cloth belt far away from the band rib to one side of the band rib to form a lining strip positioned on the surface layer of the surface layer cloth belt; s2, placing the surface layer cloth belt on the surface layer of the inner layer cloth belt for alignment, and sequentially penetrating a sewing needle through the lining strip, the surface layer cloth belt and the inner layer cloth belt for serging; s3, sewing the first zipper teeth and the second zipper teeth on the inner-layer cloth belts and the surface-layer cloth belts respectively; can avoid the prior art to make up bad phenomena such as dislocation, wrong tooth that double-deck zip fastener can appear to conveniently make on case and bag, structural strength is high.
Description
Technical Field
The invention relates to the technical field of double-layer zipper sewing processes, in particular to a double-layer zipper two-in-one sewing method and a double-layer zipper two-in-one sewing structure.
Background
The existing zipper structure has various forms, is mostly concentrated on a single-layer zipper structure and a double-layer zipper structure, has poor structural strength for the single-layer zipper, is easily scratched and separated by a sharp object when being used on luggage products, and has low safety performance; for the double-layer zipper structure, the structural strength and the safety performance are improved. Meanwhile, the application of the double-layer zipper is also used for adjusting the use space of the box body and the bag body to a certain degree; the common sewing effect is that the zipper cloth belt of the inner layer is wider than that of the surface layer, so that a certain use space can be correspondingly increased when the inner layer zipper is only used for opening and closing, and conversely, the space can be more compact when the nominal zipper is only used for opening and closing; the purpose of adjusting the use space of the case is achieved by switching the zippers on the inner layer and the surface layer.
Based on foretell technical application background, when sewing double-deck zip fastener among the prior art, all make up inlayer zip fastener and top layer zip fastener separately, specifically do: two layers of sealing edges are reserved on the case and bag corresponding to the double-layer zippers; firstly, separating the inner-layer zipper into a left cloth belt and a right cloth belt, then respectively carrying out marking or needle threading positioning on the case, and sewing the left cloth belt and the right cloth belt on the edge sealing of the case according to the positioning; similarly, the surface layer zipper is separated into a left cloth belt and a right cloth belt, the left cloth belt and the right cloth belt are respectively sewn on the reserved sealing edge of the other layer, and zipper sliders are sleeved on the surface layer zipper and the inner layer zipper; finally, a tube strip of the case is tied on the sewing position of the surface layer zipper to shield the sewing position and the sewing line of the surface layer zipper, so that the accidental breakage failure of the sewing line is prevented to a certain extent; however, this sewing method has several disadvantages: 1. two layers of reserved sealing edges are required to be reserved at the position of the luggage, and the cloth layers in the luggage are fixed and are not exposed, so that the integral appearance of the luggage is influenced only by reserving the double-layer zipper, the structural strength of the double-layer sealing edge is reduced, and the anti-pulling capacity is reduced; 2. when the double-layer zipper is sewn, the alignment mark and the positioning needle are easy to be dislocated in the sewing process, namely, the coordinate cloth belts of the inner-layer zipper and the surface-layer zipper are likely to be dislocated and dislocated, and the surface-layer zipper is sewn after the inner-layer zipper is sewn, so that the inner-layer zipper and the surface-layer zipper are easy to be dislocated, and the inner-layer zipper and the surface-layer zipper are often stuck and cracked when in use; based on the above-mentioned deficiencies of the prior art, a need exists for a double-layer zipper that is more convenient to use, improves overall strength, and ensures smooth and stable alignment.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the double-layer zipper two-in-one sewing method and the zipper structure manufactured by using the sewing method, so that the dislocation between the two layers of zippers can be avoided in the sewing process, the zipper teeth can be smoothly used after being assembled, and the operation is simpler and more convenient when the zipper is arranged on a luggage.
In order to achieve the purpose, the invention provides a two-in-one sewing method of a double-layer zipper, which comprises two inner-layer cloth belts, two surface-layer cloth belts, a first zipper tooth corresponding to the inner-layer cloth belts and a second zipper tooth corresponding to the surface-layer cloth belts, wherein the inner-layer cloth belts are wider than the surface-layer cloth belts; the method comprises the following steps:
s1, bending one end of the surface layer cloth belt far away from the band rib to one side of the band rib to form a lining strip on the surface layer of the surface layer cloth belt;
s2, placing a surface layer cloth belt on the surface layer of the inner layer cloth belt for alignment, and sequentially penetrating a sewing needle through the lining strip, the surface layer cloth belt and the inner layer cloth belt for serging;
and S3, sewing the first zipper teeth and the second zipper teeth on the inner-layer cloth belt and the surface-layer cloth belt respectively.
Preferably, in S1, the width of the lining strip is less than half of the width of the surface layer cloth strip.
Preferably, the hems of the lining strip and the surface cloth belt are ironed and formed, so that the lining strip and the surface cloth belt are tightly attached in a natural state.
Preferably, in S1, the lining strip is sewn in alignment with the folded edge of the surface cloth tape by 1-3 mm.
Preferably, in S2, a space avoiding needle is performed on the folding lines of the lining strip and the surface cloth tape during the overlocking.
Preferably, in S3, a slider is attached to the first element and the second element after the first element and the second element are sewn.
The double-layer zipper two-in-one sewing structure is manufactured by adopting the process and comprises two inner-layer cloth belts, two surface-layer cloth belts, first zipper teeth corresponding to the inner-layer cloth belts and second zipper teeth corresponding to the surface-layer cloth belts, wherein the inner-layer cloth belts are wider than the surface-layer cloth belts; the side edge of the surface cloth belt is bent towards one side of the band rib to form the lining strip, and the surface cloth belt is positioned between the lining strip and the inner cloth belt; the surface layer cloth belt and the inner layer cloth belt are provided with the first zipper teeth and the second zipper teeth respectively.
Preferably, the lining strip is narrower than the width of the surface cloth strip.
The invention has the beneficial effects that: a two-in-one sewing method for a double-layer zipper comprises two inner-layer cloth belts, two surface-layer cloth belts, a first zipper tooth corresponding to the inner-layer cloth belts and a second zipper tooth corresponding to the surface-layer cloth belts, wherein the inner-layer cloth belts are wider than the surface-layer cloth belts; the method comprises the following steps: s1, bending one end of the surface layer cloth belt far away from the band rib to one side of the band rib to form a lining strip positioned on the surface layer of the surface layer cloth belt; s2, placing the surface layer cloth belt on the surface layer of the inner layer cloth belt for alignment, and sequentially penetrating a sewing needle through the lining strip, the surface layer cloth belt and the inner layer cloth belt for serging; s3, sewing the first zipper teeth and the second zipper teeth on the inner-layer cloth belts and the surface-layer cloth belts respectively; can avoid the prior art to make up bad phenomena such as dislocation, wrong tooth that double-deck zip fastener can appear to conveniently make on case and bag, structural strength is high.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a flow chart of the method of the present invention.
The main element symbols are as follows:
1. an inner cloth belt; 11. a first fastener element; 12. a first sewing line; 2. a surface cloth belt; 21. a second tooth element; 22. and a lining strip.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
The edge of the case enclosure needs to be sewn for multiple times, the assembly process of parts is complicated, generally, a zipper is arranged in the case enclosure, and the decorative adhesive tape is arranged outside the case enclosure, so that the case needs to be assembled and sewn for multiple times, the structure and the process are complex, and the weight of the case is increased, the manufacturing cost is reduced, and the like. In addition, the zipper used for the zipper type hard case belongs to personalized and vulnerable components, and is often required to be replaced due to different color matching required by customers or is damaged in the using process. The double-layer zipper is particularly suitable for the double-layer zipper, when the existing double-layer zipper is used for sewing bags, two side edges are reserved on the bags for sewing, but the surface layer zipper and the inner layer zipper are respectively sewn when the zipper is needed to be sewn, in the process, the reserved side edges of the bags need to be straightened and positioned, the cloth belts of the zippers also need to be stretched and positioned, in the process, various cloth belts with good softness are needed to be accurately aligned, rigid zipper teeth can be aligned and not misplaced, the engineering difficulty is high, in addition, the thread ends and residual cloth ends can be left in the double-layer side seam parts in the using process, the zipper can be clamped in the using process, and bad use experience is brought; moreover, the double-layer zipper is used at the narrow thickness position, the thickness of the reserved side edge is relatively thinner, so that the structural strength of the zipper is lower, and the sewing of the double-layer zipper on the case is required to be improved; but if simple sew up double-deck cloth, also have a problem just, if simple sew up the side of two-layer zip fastener together, then the atress needle position is in same one side, structural strength is low like this, cause the line of bounceing easily, and at the in-process of making up of case and bag, can use the tube strip to carry out the structural strength enhancement of zip fastener department usually, utilize the tube strip to remove the sewing line that shields the zip fastener side simultaneously, and when having adopted this scheme, structural strength can correspondingly promote, and can save this structural component of tube strip, the cost is reduced and the whole weight of box.
The following are related terms in the field of zipper products, and a zipper comprises zipper teeth, a slider, an upper stop and a lower stop (a front stop and a rear stop) or a locking piece and the like. The fastener elements are key parts, and directly determine the side pull strength of the zipper. Generally, a zipper has two fastener tapes, each fastener tape has a row of fastener elements, and the two rows of fastener elements are arranged in a staggered manner. The zipper teeth at two sides are clamped by the pull head, and the zipper teeth at two sides can be mutually meshed or separated by sliding the pull tab.
Cloth tape: the flexible belt is woven by cotton yarn, chemical fiber or mixed chemical fiber and is used for bearing zipper teeth and other zipper components; and (4) ribbing: the cloth belt edge is used for bearing a reinforcing part of a metal or plastic zipper tooth; the zipper teeth: the tooth is made of metal, plastic and other materials, and the tooth is shaped after being processed.
The invention provides a two-in-one sewing method for a double-layer zipper, please refer to fig. 1-2, comprising two inner layer cloth belts 1 and two surface layer cloth belts 2, and a first zipper tooth 11 corresponding to the inner layer cloth belts 1 and a second zipper tooth 21 corresponding to the surface layer cloth belts, wherein the inner layer cloth belts 1 are wider than the surface layer cloth belts 2; since a large part of technical purposes of the double-layer zipper is to realize the adjustability of the content space, the double-layer zipper is achieved by designing cloth belts with different widths at the zipper; the method comprises the following steps:
s1, bending one end of the surface layer cloth belt 2 far away from the band to one side of the band to form a lining strip 22 on the surface layer of the surface layer cloth belt 2; the surface cloth belt is folded to enhance the side pulling strength of the surface cloth belt, and because the surface zipper group is mostly adopted to close when the space is adjusted, whether the surface zipper group can be closed or not is tried, and the surface cloth belt can bear larger side pulling force, the surface cloth belt needs better structural strength and can be stably combined with the inner cloth belt; meanwhile, the clamping gap formed between the lining strip and the surface cloth belt can be used for sewing a connecting position of the case, so that the connecting line can be hidden by the lining strip, the pipe strip is omitted while the overall strength is ensured, and the manufacturing procedure and the material cost are saved.
S2, placing the surface layer cloth belt 2 on the surface layer of the inner layer cloth belt 1 for alignment, and passing a sewing needle through the lining strip 22, the surface layer cloth belt 2 and the inner layer cloth belt 1 in sequence for serging; because the hem can adopt integral forming or a needle sewing process, the margin locking is required to be avoided during the edge locking, namely the first sewing thread 12 in the figure, and the needle thread fracture caused by the overlapping of two sewing positions during the routing is prevented;
s3, make up first chain tooth 11 and second chain tooth 21 respectively on inlayer strap 1 and top layer strap 2, because the case and bag zip fastener adopts the sewing technology more, so length counterpoint because the strap can carry out final regulation when carrying out the sewing of chain tooth at last, and whole has formed complete integral type structure, its structural strength and extension degree can both reach same in certain extent behind the lockrand, so at this moment carry out the chain tooth and make up and can guarantee that both sides strap counterpoint accurate, can not make the chain tooth produce dislocation and snakelike bad, so make up at last to carry out the chain tooth and can solve the problem that mentions in the background art.
In this embodiment, in S1, the width of the lining strip is smaller than half of the width of the surface fabric tape, and the width is required in order to ensure that the lining strip has enough width to be sewn and prevent the lining strip from directly covering the fastener element.
In this embodiment, the hem of gib and top layer strap adopts the ironing shaping, makes gib and top layer strap closely laminate under natural state. The ironing and forming can ensure that the lining strip is perfectly attached to the surface cloth belt, and the attractiveness of the whole structure is ensured.
Or fixing the folded edges by sewing, and sewing the lining strips with the folded edges of the surface cloth belt in the aligned mode, wherein the sewing portions are 1-3 mm.
In this embodiment, in S2, the blank stitches are performed on the creases of the lining strip and the surface cloth tape at the time of stitching.
In this embodiment, the slider is attached to the first element and the second element after the first element and the second element are sewn.
A double-layer zipper two-in-one sewing structure is manufactured by the process and comprises two inner-layer cloth belts, two surface-layer cloth belts, first zipper teeth corresponding to the inner-layer cloth belts and second zipper teeth corresponding to the surface-layer cloth belts, wherein the inner-layer cloth belts are wider than the surface-layer cloth belts; the side edge of the surface layer cloth belt is bent towards one side of the band rib to form a lining strip, and the surface layer cloth belt is positioned between the lining strip and the inner layer cloth belt; the belt ribs of the surface layer cloth belt and the inner layer cloth belt are respectively provided with a first chain tooth and a second chain tooth, and the lining strip is narrower than the surface layer cloth belt.
The invention has the advantages that:
1) the control panel responds to the relative position of the mobile phone lens to control the movement of the straight component and the rotating component, so that the superposition of the lens group and the optical axis of the mobile phone lens is realized; the arc edge is subjected to image shooting through an image sensor, and then a relative coordinate system prestored in a control board is used for obtaining a displacement distance to be adjusted; the relative displacement is adjusted through the straight component and the rotating component, so that the optical axis of the lens group is superposed with the optical axis of the mobile phone lens;
2) the stepped clamping groove is formed in the focusing lantern ring, so that positioning focusing is achieved, and convenience is brought to users.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. A double-layer zipper two-in-one sewing method is characterized by comprising two inner-layer cloth belts, two surface-layer cloth belts, first zipper teeth corresponding to the inner-layer cloth belts and second zipper teeth corresponding to the surface-layer cloth belts, wherein the inner-layer cloth belts are wider than the surface-layer cloth belts; the method comprises the following steps:
s1, bending one end of the surface layer cloth belt far away from the band rib to one side of the band rib to form a lining strip on the surface layer of the surface layer cloth belt;
s2, placing a surface layer cloth belt on the surface layer of the inner layer cloth belt for alignment, and sequentially penetrating a sewing needle through the lining strip, the surface layer cloth belt and the inner layer cloth belt for serging;
and S3, sewing the first zipper teeth and the second zipper teeth on the inner-layer cloth belt and the surface-layer cloth belt respectively.
2. The double-layer zipper two-in-one sewing method of claim 1, wherein the width of the interlining is less than the width of half of the surface fabric tapes in S1.
3. The double-layer zipper two-in-one sewing method according to claim 2, wherein the hems of the lining strip and the surface cloth tape are formed by ironing, so that the lining strip and the surface cloth tape are tightly attached in a natural state.
4. The double-layer zipper two-in-one sewing method of claim 2, wherein the lining strips are sewn in alignment with the folded edges of the surface cloth tapes at S1 in 1-3 mm.
5. The double-layer zipper two-in-one sewing method of claim 1, wherein in S2, the crease lines of the lining strips and the surface cloth strips are subjected to clearance stitches at the time of stitching.
6. The double-layer zipper two-in-one sewing method of claim 1, wherein a slider is provided after the first and second fastener elements are sewn in S3.
7. A double-layer zipper two-in-one sewing structure is characterized in that the sewing structure is manufactured by the process of any one of claims 1 to 6, and comprises two inner-layer cloth belts, two surface-layer cloth belts, first zipper teeth corresponding to the inner-layer cloth belts and second zipper teeth corresponding to the surface-layer cloth belts, and the inner-layer cloth belts are wider than the surface-layer cloth belts; the side edge of the surface cloth belt is bent towards one side of the band rib to form the lining strip, and the surface cloth belt is positioned between the lining strip and the inner cloth belt; the surface layer cloth belt and the inner layer cloth belt are provided with the first zipper teeth and the second zipper teeth respectively.
8. The double-layer zipper two-in-one sewing structure of claim 7, wherein the lining tape is narrower than the width of the surface fabric tape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011163761.0A CN112263055B (en) | 2020-10-27 | 2020-10-27 | Two-in-one sewing method and structure for double-layer zipper |
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| CN202011163761.0A CN112263055B (en) | 2020-10-27 | 2020-10-27 | Two-in-one sewing method and structure for double-layer zipper |
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| CN112263055B CN112263055B (en) | 2021-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768254A (en) * | 2021-09-27 | 2021-12-10 | 福建浔兴拉链科技股份有限公司 | Zipper strip, zipper, article using zipper and zipper strip manufacturing equipment |
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| CN209347331U (en) * | 2018-04-26 | 2019-09-06 | 北京积水潭医院 | One kind is for shoe cover after the dressing of foot burn and scald |
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| CN202874030U (en) * | 2011-09-20 | 2013-04-17 | 芊茂（浙江）拉链有限公司 | Double-layer tooth sewing needle plate structure of zipper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113768254A (en) * | 2021-09-27 | 2021-12-10 | 福建浔兴拉链科技股份有限公司 | Zipper strip, zipper, article using zipper and zipper strip manufacturing equipment |
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| CN112263055B (en) | 2021-07-13 |
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