CN212345594U - Zipper for case and bag - Google Patents
Zipper for case and bag Download PDFInfo
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- CN212345594U CN212345594U CN202021024895.XU CN202021024895U CN212345594U CN 212345594 U CN212345594 U CN 212345594U CN 202021024895 U CN202021024895 U CN 202021024895U CN 212345594 U CN212345594 U CN 212345594U
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- strap
- sprocket
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Abstract
The utility model provides a case and bag zip fastener, include the strap and set up the sprocket on the strap, the sprocket sets up in one side of strap width direction, one side of strap width direction sprocket dorsad is equipped with the connecting portion that are integrative injection moulding connection with the strap, one side that the sprocket was kept away from to connecting portion is equipped with reverse edge of rolling over, reverse edge of rolling over turns over after rolling over upward and extends and set up with the connecting portion interval toward sprocket one side. The utility model has the advantages of beautiful appearance, high integral strength and reliable connection.
Description
Technical Field
The utility model relates to a zip fastener field, concretely relates to case and bag zip fastener.
Background
The zipper is composed of zipper teeth, a pull head, an upper stop, a lower stop (a front stop and a rear stop) or a locking piece and the like; wherein the zipper teeth are key parts and directly determine the side pull strength of the zipper; generally, a zipper is provided with two chain belts, each chain belt is provided with a row of chain teeth, and the two rows of chain teeth are arranged in a staggered way; 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.
The zipper belt (cloth belt) of the existing zipper is generally connected with a connected piece in a sewing mode, and the sewing thread at the sewing position of the zipper belt is exposed outside, so that the appearance is easily influenced;
therefore some zippers can set up the shielding piece in the both sides of strap and shelter from the stylolite when sewing up follow-up, but often be connected through the sutural mode between shielding piece and the strap, cause production efficiency low easily, manufacturing cost is too high scheduling problem, stress concentration also appears easily in its connected mode, the pinhole position stress is too big when pulling the condition such as tearing appears, simultaneously after shielding piece and strap are sewed up and connected, the zip fastener need be sewed up again when using the installation, this will lead to the strap position two stylolite to appear, influence pleasing to the eye on one, on the other hand lead to weakening strap and shielding piece intensity because of the puncture of stitch easily, and influence the planarization.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a case and bag zip fastener that handsome in appearance, the bulk strength is high, connects reliably.
Aiming at the problems, the following technical scheme is provided: the utility model provides a case and bag zip fastener, includes the strap and sets up the sprocket on the strap, the sprocket sets up in one side of strap width direction, one side of strap width direction sprocket dorsad is equipped with the connecting portion that are integrative injection moulding connection with the strap, one side that the sprocket was kept away from to connecting portion is equipped with reverse edge of rolling over, reverse edge of rolling over upwards turn over the back and extend toward sprocket one side and set up with the connecting portion interval.
In the structure, connecting portion are an organic whole with the strap and are moulded plastics and be connected, effectively guarantee the firmness of connecting between the two, in order to promote the reliability, can directly sew the suture on connecting portion when making case and bag, and utilize reverse edge of folding to shelter from the suture, in order to promote the aesthetic property, mode such as still can adopt bonding bonds connecting portion reverse edge of folding one side and case and bag open position mutually dorsad, effectively guarantee the whole feel of zip fastener, reverse edge of folding can guarantee that the height of sprocket is less than reverse edge of folding, can utilize reverse edge of folding to range upon range of with the thickness of connecting portion, stop the scraping to the sprocket in the daily life with this effect, improve sprocket life.
The utility model discloses further set up to, connecting portion and the integrative injection moulding in tow sides of strap are connected.
In the above-mentioned structure, guarantee that the strap both sides can both be connected with connecting portion moulding plastics, effectively promote joint strength.
The utility model discloses further set up to, one side that the strap is connected with connecting portion is equipped with a plurality of adhering to holes of seting up along its length direction interval.
In the structure, the adhesive holes enable the melted connecting part material to pass through the adhesive holes when the cloth belts and the connecting parts are integrally molded, so that the connecting strength between the connecting parts and the cloth belts is further improved.
The utility model discloses further set up to, the attachment hole is provided with one row at least.
In the above structure, the attachment holes are preferably arranged in two rows.
The utility model discloses further set up to, the attachment hole diameter is 1mm to 3 mm.
In the above structure, the attachment hole is preferably 1.5mm in diameter.
The utility model discloses further set up as, the attachment holes are 3mm to 10mm apart from each other.
In the above structure, the attachment holes are preferably spaced apart from each other by a distance of 6 mm.
The utility model discloses further set up to, connecting portion and reverse book reason are connected through integrative moulding plastics each other for the plastic material.
In the structure, the integral strength between the connecting part and the reverse folding edge is ensured, and the relative position between the connecting part and the reverse folding edge can also be ensured.
The utility model discloses further set up to, the strap is two a set of, connects through the sprocket interlock between the adjacent strap.
The utility model discloses further set up as, sprocket between the adjacent strap passes through pull head control interlock and separation.
The utility model discloses further set up as, reverse edge of rolling over one side of being connected dorsad with connecting portion is equipped with toward the bellied smooth reason of strap direction.
In the structure, when sewing, the presser foot of the sewing mechanism needs to push the reverse folding edge open to enable the stitch to pierce the connecting part for sewing, at the moment, the reverse folding edge is in an unfolding state relative to the connecting part, the edge position of the reverse folding edge can rub with the presser foot, the sliding edge is arranged to enable the sliding edge to protrude towards the direction of the connecting part, the pressing edge can be abutted and contacted with the presser foot when sewing to improve the strength of the side edge of the reverse folding edge, and the situations of abrasion, galling and even breakage and the like are avoided.
The utility model discloses further set up to, connecting portion extend to sprocket below in strap reverse side position department.
In the structure, the connection strength can be further improved, a supporting and shaping effect is provided for the cloth belt, and the air tightness can be increased.
The utility model discloses further set up to, connecting portion are equipped with in strap reverse side position department and link to each other with connecting portion, and are the cladding reason that the interval set up and extend towards one side of the sprocket dorsad with the connecting portion surface of strap back position.
In the structure, the wrapping edge and the connecting part can be clamped at the edge of the case shell together, so that the wrapping property and the attractiveness are improved, and the seam on two sides can be shielded by the wrapping edge and the reverse folding edge after sewing.
The utility model discloses further set up to, the cladding is along having played from strap width direction's middle part position and is extended, makes projection boundary and the extension side parallel and level in cladding edge on the virtual horizontal projection face of connecting portion and reverse edge juncture.
In the structure, the wrapping edge and the reverse folding edge can completely and completely shield the seam, and the symmetry and the attractiveness are improved.
The utility model has the advantages that: the connecting part and the cloth belt are connected in an integrated injection molding mode, the firmness of connection between the connecting part and the cloth belt is effectively guaranteed, the reliability is improved, a sewing thread can be directly sewn on the connecting part when a bag is manufactured, the sewing thread is shielded by the reverse folding edge, the attractiveness is improved, meanwhile, one surface of the connecting part, which faces away from the reverse folding edge, is bonded with the opening position of the bag in a bonding mode and the like, the integral texture of the zipper is effectively guaranteed, the reverse folding edge can guarantee that the height of the zipper teeth is lower than that of the reverse folding edge, the reverse folding edge and the thickness of the connecting part can be stacked, the scraping of the zipper teeth in daily life is effectively prevented, and the service life of the; compare current strap and shelter from piece (connecting portion) to sew up and be connected, joint strength is higher, changes and realizes automated production, reduces manufacturing cost and improves production efficiency by a wide margin.
Drawings
Fig. 1 is a schematic view of the front structure of the occlusion state of the present invention.
Fig. 2 is a schematic view of the back structure of the engaged state of the present invention.
Fig. 3 is a schematic view of the front structure of the separation state of the present invention.
Fig. 4 is a schematic diagram of the explosion structure of the present invention.
Fig. 5 is an enlarged schematic view of a portion a of fig. 3 according to the present invention.
Fig. 6 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 7 is a schematic structural view of embodiment 3 of the present invention.
Fig. 8 is a schematic structural view of embodiment 4 of the present invention.
The reference numbers in the figures mean: 10-cloth belt; 101-attachment holes; 11-a sprocket; 12-a connecting part; 13-reverse fold edge; 131-a sliding edge; 14-wrap the rim.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 to 5, a luggage zipper as shown in fig. 1 to 5 includes a cloth tape 10 and a zipper tooth 11 disposed on the cloth tape 10, the zipper tooth 11 is disposed on one side of the width direction of the cloth tape 10, a connecting portion 12 integrally connected with the cloth tape 10 in an injection molding manner is disposed on one side of the width direction of the cloth tape 10 opposite to the zipper tooth 11, a reverse folding edge 13 is disposed on one side of the connecting portion 12 away from the zipper tooth 11, and the reverse folding edge 13 is folded upwards and extends toward one side of the zipper tooth 11 and is disposed at an interval with the connecting portion 12.
In the structure, connecting portion 12 is an organic whole with strap 10 and moulds plastics and be connected, effectively guarantee the firmness of connecting between the two, in order to promote the reliability, can directly sew the seam on connecting portion 12 when making case and bag, and utilize reverse flange 13 to shelter from the seam, in order to promote the aesthetic property, still can adopt modes such as bonding to bond connecting portion 12 one side and case and bag open position of reverse flange 13 dorsad mutually, effectively guarantee the whole feel of zip fastener, reverse flange 13 can guarantee that sprocket 11 highly is less than reverse flange 13, can utilize reverse flange 13 and connecting portion 12's thickness to range upon range of, with this effect stop scraping to sprocket 11 in the daily life, improve sprocket 11 life.
In this embodiment, the connecting portion 12 is integrally connected to the front and back surfaces of the cloth tape 10 by injection molding.
In the above-mentioned structure, guarantee that 10 two sides of strap can both be connected with connecting portion 12 are moulded plastics, effectively promote joint strength.
In this embodiment, a plurality of attachment holes 101 are formed at intervals along the length direction of the cloth tape 10 at a side where the cloth tape is connected to the connecting portion 12.
In the above structure, the attachment holes 101 allow the melted material of the connection portion 12 to pass through the attachment holes 101 when the tapes 10 and the connection portion 12 are integrally molded, thereby further improving the connection strength between the connection portion 12 and the tapes 10.
In this embodiment, the attachment holes 101 are arranged in at least one row.
In the above structure, the attachment holes 101 are preferably arranged in two rows.
In this embodiment, the diameter of the attachment hole 101 is 1mm to 3 mm.
In the above structure, the attachment hole 101 is preferably 1.5mm in diameter.
In this embodiment, the attachment holes 101 are spaced 3mm to 10mm apart from each other.
In the above structure, the attachment holes 101 are preferably spaced apart from each other by a distance of 6 mm.
In this embodiment, the connecting portion 12 and the reverse folded edge 13 are made of plastic material and are connected to each other by integral injection molding.
In the above structure, the overall strength between the connecting portion 12 and the reverse fold 13 is ensured, and the relative position between the two is also ensured.
In this embodiment, the cloth belts 10 are in a group of two, and the adjacent cloth belts 10 are connected through the engagement of the chain teeth 11.
In the embodiment, the zipper teeth 11 between the adjacent cloth belts 10 are controlled to be meshed and separated through the sliders.
In this embodiment, the side of the reverse folded edge 13 back to the connection part 12 is provided with a sliding edge 131 protruding toward the cloth tape 10.
In the above structure, when sewing, the presser foot of the sewing mechanism needs to push open the reverse fold edge 13 to make the stitch pierce the connecting part 12 for sewing, at this time, the reverse fold edge 13 is in an unfolded state relative to the connecting part 12, the edge position of the reverse fold edge 13 will rub with the presser foot, the sliding edge 131 is arranged to be protruded towards the connecting part 12, the side edge of the reverse fold edge 13 can be contacted with the presser foot in an abutting manner during sewing to improve the strength of the side edge of the reverse fold edge 13, and the situations of abrasion, galling and even breakage and the like are avoided.
Example 2
Referring to fig. 1 to 6, a luggage zipper as shown in fig. 1 to 6 includes a cloth tape 10 and a zipper tooth 11 disposed on the cloth tape 10, the zipper tooth 11 is disposed on one side of the width direction of the cloth tape 10, a connecting portion 12 integrally connected with the cloth tape 10 in an injection molding manner is disposed on one side of the width direction of the cloth tape 10 opposite to the zipper tooth 11, a reverse folding edge 13 is disposed on one side of the connecting portion 12 away from the zipper tooth 11, and the reverse folding edge 13 is folded upwards and extends toward one side of the zipper tooth 11 and is disposed at an interval with the connecting portion 12.
In the structure, connecting portion 12 is an organic whole with strap 10 and moulds plastics and be connected, effectively guarantee the firmness of connecting between the two, in order to promote the reliability, can directly sew the seam on connecting portion 12 when making case and bag, and utilize reverse flange 13 to shelter from the seam, in order to promote the aesthetic property, still can adopt modes such as bonding to bond connecting portion 12 one side and case and bag open position of reverse flange 13 dorsad mutually, effectively guarantee the whole feel of zip fastener, reverse flange 13 can guarantee that sprocket 11 highly is less than reverse flange 13, can utilize reverse flange 13 and connecting portion 12's thickness to range upon range of, with this effect stop scraping to sprocket 11 in the daily life, improve sprocket 11 life.
In this embodiment, the connecting portion 12 is integrally connected to the front and back surfaces of the cloth tape 10 by injection molding.
In the above-mentioned structure, guarantee that 10 two sides of strap can both be connected with connecting portion 12 are moulded plastics, effectively promote joint strength.
In this embodiment, a plurality of attachment holes 101 are formed at intervals along the length direction of the cloth tape 10 at a side where the cloth tape is connected to the connecting portion 12.
In the above structure, the attachment holes 101 allow the melted material of the connection portion 12 to pass through the attachment holes 101 when the tapes 10 and the connection portion 12 are integrally molded, thereby further improving the connection strength between the connection portion 12 and the tapes 10.
In this embodiment, the attachment holes 101 are arranged in at least one row.
In the above structure, the attachment holes 101 are preferably arranged in two rows.
In this embodiment, the diameter of the attachment hole 101 is 1mm to 3 mm.
In the above structure, the attachment hole 101 is preferably 1.5mm in diameter.
In this embodiment, the attachment holes 101 are spaced 3mm to 10mm apart from each other.
In the above structure, the attachment holes 101 are preferably spaced apart from each other by a distance of 6 mm.
In this embodiment, the connecting portion 12 and the reverse folded edge 13 are made of plastic material and are connected to each other by integral injection molding.
In the above structure, the overall strength between the connecting portion 12 and the reverse fold 13 is ensured, and the relative position between the two is also ensured.
In this embodiment, the cloth belts 10 are in a group of two, and the adjacent cloth belts 10 are connected through the engagement of the chain teeth 11.
In the embodiment, the zipper teeth 11 between the adjacent cloth belts 10 are controlled to be meshed and separated through the sliders.
In this embodiment, the side of the reverse folded edge 13 back to the connection part 12 is provided with a sliding edge 131 protruding toward the cloth tape 10.
In the above structure, when sewing, the presser foot of the sewing mechanism needs to push open the reverse fold edge 13 to make the stitch pierce the connecting part 12 for sewing, at this time, the reverse fold edge 13 is in an unfolded state relative to the connecting part 12, the edge position of the reverse fold edge 13 will rub with the presser foot, the sliding edge 131 is arranged to be protruded towards the connecting part 12, the side edge of the reverse fold edge 13 can be contacted with the presser foot in an abutting manner during sewing to improve the strength of the side edge of the reverse fold edge 13, and the situations of abrasion, galling and even breakage and the like are avoided.
In this embodiment, the connecting portion 12 extends to below the fastener 11 at a position a on the reverse side of the cloth tape 10.
In the above structure, the connection strength can be further improved, and a supporting and shaping function is provided for the cloth tape 10, and the airtightness can be increased.
Example 3
Referring to fig. 1 to 5 and 7, a luggage zipper as shown in fig. 1 to 5 and 7 includes a cloth tape 10 and a zipper tooth 11 disposed on the cloth tape 10, the zipper tooth 11 is disposed on one side of the cloth tape 10 in the width direction, a connecting portion 12 integrally connected with the cloth tape 10 in an injection molding manner is disposed on one side of the cloth tape 10 opposite to the zipper tooth 11 in the width direction, a reverse folding edge 13 is disposed on one side of the connecting portion 12 far away from the zipper tooth 11, and the reverse folding edge 13 is folded upwards and extends toward one side of the zipper tooth 11 and is disposed at an interval with the connecting portion 12.
In the structure, connecting portion 12 is an organic whole with strap 10 and moulds plastics and be connected, effectively guarantee the firmness of connecting between the two, in order to promote the reliability, can directly sew the seam on connecting portion 12 when making case and bag, and utilize reverse flange 13 to shelter from the seam, in order to promote the aesthetic property, still can adopt modes such as bonding to bond connecting portion 12 one side and case and bag open position of reverse flange 13 dorsad mutually, effectively guarantee the whole feel of zip fastener, reverse flange 13 can guarantee that sprocket 11 highly is less than reverse flange 13, can utilize reverse flange 13 and connecting portion 12's thickness to range upon range of, with this effect stop scraping to sprocket 11 in the daily life, improve sprocket 11 life.
In this embodiment, the connecting portion 12 is integrally connected to the front and back surfaces of the cloth tape 10 by injection molding.
In the above-mentioned structure, guarantee that 10 two sides of strap can both be connected with connecting portion 12 are moulded plastics, effectively promote joint strength.
In this embodiment, a plurality of attachment holes 101 are formed at intervals along the length direction of the cloth tape 10 at a side where the cloth tape is connected to the connecting portion 12.
In the above structure, the attachment holes 101 allow the melted material of the connection portion 12 to pass through the attachment holes 101 when the tapes 10 and the connection portion 12 are integrally molded, thereby further improving the connection strength between the connection portion 12 and the tapes 10.
In this embodiment, the attachment holes 101 are arranged in at least one row.
In the above structure, the attachment holes 101 are preferably arranged in two rows.
In this embodiment, the diameter of the attachment hole 101 is 1mm to 3 mm.
In the above structure, the attachment hole 101 is preferably 1.5mm in diameter.
In this embodiment, the attachment holes 101 are spaced 3mm to 10mm apart from each other.
In the above structure, the attachment holes 101 are preferably spaced apart from each other by a distance of 6 mm.
In this embodiment, the connecting portion 12 and the reverse folded edge 13 are made of plastic material and are connected to each other by integral injection molding.
In the above structure, the overall strength between the connecting portion 12 and the reverse fold 13 is ensured, and the relative position between the two is also ensured.
In this embodiment, the cloth belts 10 are in a group of two, and the adjacent cloth belts 10 are connected through the engagement of the chain teeth 11.
In the embodiment, the zipper teeth 11 between the adjacent cloth belts 10 are controlled to be meshed and separated through the sliders.
In this embodiment, the side of the reverse folded edge 13 back to the connection part 12 is provided with a sliding edge 131 protruding toward the cloth tape 10.
In the above structure, when sewing, the presser foot of the sewing mechanism needs to push open the reverse fold edge 13 to make the stitch pierce the connecting part 12 for sewing, at this time, the reverse fold edge 13 is in an unfolded state relative to the connecting part 12, the edge position of the reverse fold edge 13 will rub with the presser foot, the sliding edge 131 is arranged to be protruded towards the connecting part 12, the side edge of the reverse fold edge 13 can be contacted with the presser foot in an abutting manner during sewing to improve the strength of the side edge of the reverse fold edge 13, and the situations of abrasion, galling and even breakage and the like are avoided.
In this embodiment, the connecting portion 12 is provided with a wrapping edge 14 connected to the connecting portion 12 at a position opposite to the cloth tape 10, and spaced from the surface of the connecting portion 12 at a position opposite to the back of the cloth tape 10 and extending toward a side away from the fastener 11.
In the above structure, the wrapping edge 14 can be clamped at the edge position of the case shell together with the connecting part 12, so that the wrapping property and the aesthetic property are improved, and the seam of the two sides can be shielded by the wrapping edge 14 and the reverse folding edge 13 after sewing.
In this embodiment, the covering edge 14 extends from the middle position of the cloth belt 10 in the width direction, so that the projection boundary on the virtual horizontal projection plane at the junction of the connecting portion 12 and the reverse folded edge 13 is flush with the extending side of the covering edge 14.
In the structure, the covering edge 14 and the reverse folding edge 13 can completely and completely cover the seam, and the symmetry and the aesthetic property are improved.
Example 4
Referring to fig. 1 to 5 and 8, a luggage zipper as shown in fig. 1 to 5 and 8 includes a cloth tape 10 and a zipper tooth 11 disposed on the cloth tape 10, the zipper tooth 11 is disposed on one side of the cloth tape 10 in the width direction, a connecting portion 12 integrally connected with the cloth tape 10 in an injection molding manner is disposed on one side of the cloth tape 10 opposite to the zipper tooth 11 in the width direction, a reverse folding edge 13 is disposed on one side of the connecting portion 12 far away from the zipper tooth 11, and the reverse folding edge 13 is folded upwards and extends toward one side of the zipper tooth 11 and is disposed at an interval with the connecting portion 12.
In the structure, connecting portion 12 is an organic whole with strap 10 and moulds plastics and be connected, effectively guarantee the firmness of connecting between the two, in order to promote the reliability, can directly sew the seam on connecting portion 12 when making case and bag, and utilize reverse flange 13 to shelter from the seam, in order to promote the aesthetic property, still can adopt modes such as bonding to bond connecting portion 12 one side and case and bag open position of reverse flange 13 dorsad mutually, effectively guarantee the whole feel of zip fastener, reverse flange 13 can guarantee that sprocket 11 highly is less than reverse flange 13, can utilize reverse flange 13 and connecting portion 12's thickness to range upon range of, with this effect stop scraping to sprocket 11 in the daily life, improve sprocket 11 life.
In this embodiment, the connecting portion 12 is integrally connected to the front and back surfaces of the cloth tape 10 by injection molding.
In the above-mentioned structure, guarantee that 10 two sides of strap can both be connected with connecting portion 12 are moulded plastics, effectively promote joint strength.
In this embodiment, a plurality of attachment holes 101 are formed at intervals along the length direction of the cloth tape 10 at a side where the cloth tape is connected to the connecting portion 12.
In the above structure, the attachment holes 101 allow the melted material of the connection portion 12 to pass through the attachment holes 101 when the tapes 10 and the connection portion 12 are integrally molded, thereby further improving the connection strength between the connection portion 12 and the tapes 10.
In this embodiment, the attachment holes 101 are arranged in at least one row.
In the above structure, the attachment holes 101 are preferably arranged in two rows.
In this embodiment, the diameter of the attachment hole 101 is 1mm to 3 mm.
In the above structure, the attachment hole 101 is preferably 1.5mm in diameter.
In this embodiment, the attachment holes 101 are spaced 3mm to 10mm apart from each other.
In the above structure, the attachment holes 101 are preferably spaced apart from each other by a distance of 6 mm.
In this embodiment, the connecting portion 12 and the reverse folded edge 13 are made of plastic material and are connected to each other by integral injection molding.
In the above structure, the overall strength between the connecting portion 12 and the reverse fold 13 is ensured, and the relative position between the two is also ensured.
In this embodiment, the cloth belts 10 are in a group of two, and the adjacent cloth belts 10 are connected through the engagement of the chain teeth 11.
In the embodiment, the zipper teeth 11 between the adjacent cloth belts 10 are controlled to be meshed and separated through the sliders.
In this embodiment, the side of the reverse folded edge 13 back to the connection part 12 is provided with a sliding edge 131 protruding toward the cloth tape 10.
In the above structure, when sewing, the presser foot of the sewing mechanism needs to push open the reverse fold edge 13 to make the stitch pierce the connecting part 12 for sewing, at this time, the reverse fold edge 13 is in an unfolded state relative to the connecting part 12, the edge position of the reverse fold edge 13 will rub with the presser foot, the sliding edge 131 is arranged to be protruded towards the connecting part 12, the side edge of the reverse fold edge 13 can be contacted with the presser foot in an abutting manner during sewing to improve the strength of the side edge of the reverse fold edge 13, and the situations of abrasion, galling and even breakage and the like are avoided.
In this embodiment, the connecting portion 12 extends to below the fastener 11 at a position a on the reverse side of the cloth tape 10.
In the above structure, the connection strength can be further improved, and a supporting and shaping function is provided for the cloth tape 10, and the airtightness can be increased.
In this embodiment, the connecting portion 12 is provided with a wrapping edge 14 connected to the connecting portion 12 at a position opposite to the cloth tape 10, and spaced from the surface of the connecting portion 12 at a position opposite to the back of the cloth tape 10 and extending toward a side away from the fastener 11.
In the above structure, the wrapping edge 14 can be clamped at the edge position of the case shell together with the connecting part 12, so that the wrapping property and the aesthetic property are improved, and the seam of the two sides can be shielded by the wrapping edge 14 and the reverse folding edge 13 after sewing.
In this embodiment, the covering edge 14 extends from the middle position of the cloth belt 10 in the width direction, so that the projection boundary on the virtual horizontal projection plane at the junction of the connecting portion 12 and the reverse folded edge 13 is flush with the extending side of the covering edge 14.
In the structure, the covering edge 14 and the reverse folding edge 13 can completely and completely cover the seam, and the symmetry and the aesthetic property are improved.
The utility model has the advantages that: the connecting part 12 and the cloth belt 10 are connected in an integral injection molding mode, the firmness of connection between the connecting part 12 and the cloth belt 10 is effectively guaranteed, the reliability is improved, when a case is manufactured, a sewing line can be directly sewn on the connecting part 12, the sewing line is shielded by the reverse folding edge 13, the attractiveness is improved, meanwhile, one surface of the connecting part 12, which is opposite to the reverse folding edge 13, can be bonded with the opening position of the case in a bonding mode and the like, the integral texture of the zipper is effectively guaranteed, the reverse folding edge 13 can guarantee that the height of the zipper teeth 11 is lower than that of the reverse folding edge 13, the reverse folding edge 13 can be stacked with the thickness of the connecting part 12, the scraping of the zipper teeth 11 in daily life is effectively prevented, and the service life of; compare current strap 10 and shelter from piece (connecting portion) to sew up and be connected, joint strength is higher, changes to realize automated production, reduces manufacturing cost and improves production efficiency by a wide margin.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a case and bag zip fastener, includes the strap and sets up the sprocket on the strap, its characterized in that: the sprocket sets up in one side of strap width direction, one side of strap width direction sprocket dorsad is equipped with the connecting portion that are integrative injection moulding connection with the strap, one side that the sprocket was kept away from to connecting portion is equipped with reverse edge of rolling over, reverse edge of rolling over is extended and is set up with connecting portion interval toward sprocket one side after upwards rolling over.
2. A luggage zipper in accordance with claim 1, wherein: the connecting part is connected with the front surface and the back surface of the cloth belt in an integrated injection molding mode.
3. A luggage zipper according to claim 1 or 2, wherein: one side of the cloth belt connected with the connecting part is provided with a plurality of attaching holes which are arranged at intervals along the length direction of the cloth belt.
4. A luggage zipper according to claim 3, wherein: the attachment holes are provided in at least one row.
5. A luggage zipper in accordance with claim 1, wherein: the connecting part and the reverse folded edge are made of plastic materials and are connected with each other through integral injection molding.
6. A luggage zipper in accordance with claim 1, wherein: the two cloth belts are in one group, and the adjacent cloth belts are connected through meshing of the chain teeth.
7. A luggage zipper in accordance with claim 1, wherein: one side of the reverse folding edge back to the side connected with the connecting part is provided with a sliding edge protruding towards the cloth belt direction.
8. A luggage zipper in accordance with claim 2, wherein: the connecting part extends to the lower part of the zipper teeth at the back side of the cloth belt.
9. A luggage zipper according to claim 2 or 8, wherein: the connecting part is provided with a coating edge which is connected with the connecting part at the back side of the cloth belt and arranged at an interval with the surface of the connecting part at the back side of the cloth belt and extends towards one side of the back zipper teeth.
10. A luggage zipper in accordance with claim 9, wherein: the coating edge extends from the middle position of the width direction of the cloth belt, so that the projection boundary on the virtual horizontal projection surface at the junction of the connecting part and the reverse folding edge is flush with the extension side of the coating edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024895.XU CN212345594U (en) | 2020-06-05 | 2020-06-05 | Zipper for case and bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024895.XU CN212345594U (en) | 2020-06-05 | 2020-06-05 | Zipper for case and bag |
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| CN212345594U true CN212345594U (en) | 2021-01-15 |
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| CN202021024895.XU Active CN212345594U (en) | 2020-06-05 | 2020-06-05 | Zipper for case and bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113287842A (en) * | 2021-05-10 | 2021-08-24 | 上海伽石科技开发有限公司 | Pipe strap zipper assembly and box production process |
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2020
- 2020-06-05 CN CN202021024895.XU patent/CN212345594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113287842A (en) * | 2021-05-10 | 2021-08-24 | 上海伽石科技开发有限公司 | Pipe strap zipper assembly and box production process |
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