JP2022553747A - Zipper structure and trolley case used for bags - Google Patents

Abstract

The present invention discloses a zipper structure for use in luggage. A zipper structure for use in a bag having a zipper strip including a front zipper tape and a rear zipper tape, further comprising a front gel tape and a rear gel tape, wherein the front gel tape is adhered to the front case of the bag by heat and pressure, and the rear gel tape. is adhered to the rear case of the bag by hot pressing, the front zipper tape is connected to the front gel tape by a front zipper fixing coil, and the rear zipper tape is connected to the rear gel tape by a rear zipper fixing coil. Further disclosed is a trolley case that employs the aforementioned zipper construction for luggage. The zipper construction and trolley case used in luggage according to the present application eliminates traditional manual sewing and allows for automated manufacturing of zipper cases.

Description

TECHNICAL FIELD The present invention relates to the field of luggage technology, and more particularly to a zipper structure and a trolley case used in luggage.

A trolley case is a trunk with a pull rod and wheels, and the wheels are installed at the bottom of the trolley case, so that the user can directly pull it while walking, which is very convenient and labor-saving. Currently, the trolley cases on the market can be broadly divided into two types: zipper type trolley cases (abbreviated as zipper cases) and frame type trolley cases (abbreviated as frame cases). However, when manufacturing a conventional zipper case, the zipper needs to be sewn manually, which requires more manpower and cannot be automated.

SUMMARY OF THE INVENTION In view of this, the present invention provides a zipper structure and trolley case for use in luggage that allows automated manufacture of the trolley case.

In order to achieve the above object, the present invention provides the following technical proposals. A zipper structure for use in a bag having a zipper strip including a front zipper tape and a rear zipper tape, further comprising a front gel tape and a rear gel tape, wherein the front gel tape is adhered to the front case of the bag by heat and pressure, and the rear gel tape. is adhered to the rear case of the bag by hot pressing, the front zipper tape is connected to the front gel tape by a front zipper fixing coil, and the rear zipper tape is connected to the rear gel tape by a rear zipper fixing coil.

Further, the front gel tape is provided with a first extending portion and a second extending portion spaced apart from each other, and the front case is matched between the first extending portion and the second extending portion. A first clamping groove is formed that can be inserted by pressing.

Further, the rear gel tape is provided with a third extension and a fourth extension with a space therebetween, and the rear case is matched between the third extension and the fourth extension. A second clamping groove is formed which can be inserted by pressing.

Further, the first locking strip portion of the front zipper fixing coil is inserted into the first locking groove of the front gel tape, and the second locking strip portion of the rear zipper fixing coil is the second locking groove of the rear gel tape. It is inserted into the groove.

Further comprising a front lining fixed coil and a back lining fixed coil, the front lining fixed coil is connected to the front lining of the bag, the back lining fixed coil is connected to the rear lining of the bag, and the front gel tape includes: A third locking groove through which the third locking strip portion of the front lining fixed coil can be inserted is provided, and the fourth locking strip portion of the back lining fixed coil is inserted through the rear gel tape. A fourth locking groove is provided that allows for

Further, the front gel tape is provided with a female joint and the rear gel tape is provided with a male joint, and when the zipper strip is closed, the female joint and the male joint are engaged.

Further, the front lining fixed coil is sewn to the front lining, and the back lining fixed coil is sewn to the back lining.

The present invention further provides a trolley case employing the zipper structure used in any one of the bags described above.

Furthermore, a rear mask sheet is installed in the trolley case, and the rear mask sheet is used to cover the seam portion of the front gel tape and the seam portion of the rear gel tape, Both ends of the rear mask sheet are pins that exert a support function, and the central portion of the rear mask sheet is a soft gel portion.

Further, a plurality of decorative strips arranged vertically are installed on the surface of the trolley case, and the decorative strips are blade-shaped.

As can be seen from the above technical solution, the advantages of the present invention are as follows.

Compared with the prior art, the present invention eliminates the traditional manual sewing by improving the product structure, can automatically manufacture the zipper case, and changes the normal soft gel tape to hard front gel tape and rear gel tape. In addition, by adding a female joint on the front gel tape and a male joint on the rear gel tape, this zipper case has the strength of a frame case and is more stable when it is full. In addition, the thickness and cross-sectional shape of the front gel tape and the rear gel tape can be adjusted according to various sizes of the case.

In addition to the objects, features and advantages mentioned above, the present invention has other objects, features and advantages. The invention will now be described in more detail with reference to the accompanying drawings.

In order to describe the embodiments of the present invention or technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Apparently, the accompanying drawings in the following description are merely some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these accompanying drawings without creative effort. You can also In the accompanying drawings:
FIG. 3 is a schematic diagram of the three-dimensional structure of the trolley case of the present invention; 1 is an exploded view of the trolley case of the present invention; FIG. It is a cross-sectional structural schematic diagram of the trolley case of the present invention. FIG. 4 is an enlarged structural schematic diagram of a portion X in FIG. 3 ; FIG. 4 is a structural schematic view of the front gel tape and the rear gel tape in Embodiment 1 of the present invention; FIG. 4 is a structural schematic diagram of a second front gel tape and a second rear gel tape in Embodiment 2 of the present invention; FIG. 4 is another three-dimensional schematic diagram of the trolley case of the present invention;

The following clearly and completely describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only some but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by persons skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1:
The trolley case shown in FIGS. 1 and 2 includes a case, a wheel unit 30, a first handle 40, a customs lock 50, a slider tab 60, a second handle 70 and a pair of rear mask sheets 8. A front lining 91 is installed inside the front case 20, a rear lining 92 is installed inside the rear case 20, a pull rod is installed in the rear case 20, and a wheel unit 30 is installed between the front case 10 and the rear case 20. The first handle 40 is installed on the top of the front case 10, the customs lock 50 is installed on one side of the front case 10, the slider tab 60 and the customs lock 50 are used in combination, The second handle 70 is installed on the same side of the rear case 20 on which the customs lock 50 is located, and the pair of rear mask sheets 8 are spaced apart on one side of the trolley case on which the customs lock 50 is located. One end of the rear mask sheet 8 is connected to the front case 10, the other end of the rear mask sheet 8 is connected to the rear case 20, and both ends of the rear mask sheet 8 are provided with pins 81 for supporting. The central portion of the rear mask sheet 8 is the soft gel portion 82. When the trolley case is opened, the soft gel portion 82 is highly deformable. cannot be broken. In addition, the trolley case further includes a zipper structure used for bags.

As shown in FIGS. 2, 3, and 4, the zipper structure used in the bag includes a front gel tape 1, a rear gel tape 2, a zipper strip 3, a front zipper fixing coil 4, a rear zipper fixing coil 5, and a front lining. Comprising a fixed coil 6 and a rear lining fixed coil 7, the zipper strip 3 comprises a front zipper tape 31, a rear zipper tape 32 which engages the front zipper tape 31, and slides between the front zipper tape 31 and the rear zipper tape 32. The front gel tape 1 is provided with a first extension portion 14 and a second extension portion 15 spaced apart from each other. A first clamping groove 16 is formed in the front case 10 so that the first inserting portion 101 of the front case 10 can be matched and inserted, and a third extending portion 24 and a fourth extending portion 24 are spaced from the rear gel tape 2 . A protrusion 25 is provided, and between the third extension 24 and the fourth extension 25, there is a second clamp groove into which the second insertion portion 201 of the rear case 20 can be matched and inserted. 26 is provided, the front zipper fixing coil 4 includes a first locking strip portion 41 and a first connecting strip portion 42 to be connected, and the front gel tape 1 includes the first locking strip portion 41 of the front zipper fixing coil 4 is provided, the first connecting strip portion 42 of the front zipper fixing coil 4 is connected to the front zipper tape 31, and the rear zipper fixing coil 5 is connected to the second hooking groove 11. Having a locking strip portion 51 and a second connecting strip portion 52, the rear gel tape 2 is provided with a second locking groove 21 through which the second locking strip portion 51 of the rear zipper fixing coil 5 can be inserted. , the second connecting strip portion 52 of the rear zipper fixing coil 5 and the rear zipper tape 32 are connected, the front lining fixing coil 6 has a third locking strip portion 61 and a third connecting strip portion 62 to be connected, and the front The gel tape 1 is provided with a third locking groove 12 through which the third locking strip portion 61 of the front lining fixed coil 6 can be inserted, and the third connecting strip portion 62 of the front lining fixed coil 6 is connected to the front lining. 91, the rear lining fixed coil 7 has a fourth locking strip portion 71 and a fourth connecting strip portion 72 connected, and the rear gel tape 2 has a fourth locking strip portion of the rear lining fixed coil 7. A fourth locking groove 22 is provided through which 71 can be inserted, the fourth connecting strip portion 72 of the rear lining fixed coil 7 is connected to the rear lining 92, and the slider tab 60 is attached to the slider 33. .

Preferably, as shown in FIGS. 4 and 5, the front gel tape 1 and the rear gel tape 2 are hard gel tapes, the front gel tape 1 is provided with a female joint 13, and the rear gel tape 2 is provided with a male joint 23. provided, when the case is closed to close the zipper strip 3, the female joint 13 and the male joint 23 are engaged to make the case more tightly adhered and more stable when the luggage is full; There is no rattling phenomenon of the zipper case.

Preferably, as shown in FIG. 7, the front zipper fixing coil 4 and the front lining fixing coil 6 are inserted through the front gel tape 1, and the rear zipper fixing coil 5 and the rear lining fixing coil 7 are inserted through the rear gel tape 2. Afterwards, the linking points are covered with a rear masking sheet 8, and the rear masking sheet 8 can also prevent the zipper strip 3 from coming off from the linking points.

Preferably, as shown in FIGS. 1 and 7, a plurality of decorative strips 80 are arranged vertically on the outer surface of the trolley case. Let

As shown in FIGS. 2 and 3, the structural principle is as follows. The front gel tape 1 and the rear gel tape 2 are extrusion-molded parts, which are formed by hot-press molding to have the same shape as the outer shape of the case. After bonding, the rear gel tape 2 is assembled to the rear case 20, and the rear gel tape 2 and the rear case 20 are adhered by hot pressure, replacing the sewing process of sewing three layers of strips in the conventional zipper case. The first connection strip part 42 of the front zipper fixing coil 4 is sewn to the front zipper tape 31, the second connection strip part 52 of the rear zipper fixing coil 5 is sewn to the rear zipper tape 32, and the sewing is automated and unmanned. can be realized, and the machine can be automatically sewn after adjusting, and after sewing, it can be cut to a length according to the circumference of the case of the trolley case. Then, the first locking strip portion 41 of the front zipper fixing coil 4 is inserted into the first locking groove 11 of the front gel tape 1, and the second locking strip portion 51 of the rear zipper fixing coil 5 is inserted into the first locking groove 11 of the rear gel tape 2. 2 through the locking groove 21 to fasten the zipper, replacing the process of sewing the zipper in the conventional zipper case. The front lining 91 is sewn to the third connecting strip portion 62 of the front lining fixed coil 6, and the rear lining 92 is sewn to the fourth connecting strip portion 72 of the rear lining fixed coil 7, realizing automation and unmanned manufacturing at the time of sewing. can be sewn automatically after adjusting. After sewing, it is cut to a length corresponding to the circumference of the trolley case. Then, the third locking strip portion 61 of the front lining fixed coil 6 is inserted into the third locking groove 12 of the front gel tape 1, and the fourth locking strip portion 71 of the rear lining fixed coil 7 is inserted into the third locking groove 12 of the rear gel tape 2. 4 Insert into the locking groove 22 to fasten the lining, replacing the process of sewing the lining in the conventional zipper case. As can be seen from the above, the structure of this product eliminates the traditional manual sewing, and can automatically produce the zipper case.

Example 2:
As shown in FIG. 6, as a difference between this embodiment and Embodiment 1, in this embodiment, the thickness and cross-sectional shape of the front gel tape 1 and the rear gel tape 2 are adjusted according to the size of the case. Specifically, a second front gel tape 1A and a second rear gel tape 2A are employed.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention shall all fall within the protection scope of the present invention.

Front case 10, first insertion part 101, rear case 20, second insertion part 201, wheel unit 30, first handle 40, custom lock 50, slider tab 60, second handle 70, decoration strip 80, front gel tape 1, second front gel tape 1A, first locking groove 11, third locking groove 12, female joint 13, first extension 14, second extension 15, first clamp groove 16, rear gel tape 2. Second rear gel tape 2A, second locking groove 21, fourth locking groove 22, male joint 23, third extension 24, fourth extension 25, second clamping groove 26, zipper strip 3, front zipper tape 31, rear zipper tape 32, slider 33, front zipper fixing coil 4, first locking strip part 41, first connecting strip part 42, rear zipper fixing coil 5, second locking strip part 51, second connecting strip portion 52, front lining fixed coil 6, third locking strip portion 61, third connecting strip portion 62, rear lining fixed coil 7, fourth locking strip portion 71, fourth connecting strip portion 72, rear Mask sheet 8, pin 81, soft gel portion 82, front lining 91, back lining 92.

Claims (10)

A zipper structure for a bag having a zipper strip (3) comprising a front zipper tape (31) and a rear zipper tape (32), further comprising a front gel tape (1) and a rear gel tape (2), said front gel tape (1) is adhered to the front case (10) of the bag by hot pressure, the rear gel tape (2) is adhered to the rear case (20) of the bag by hot pressure, and the front zipper tape (31) is the front zipper. A bag characterized in that it is connected to the front gel tape (1) by a fixed coil (4), and the rear zipper tape (32) is connected to the rear gel tape (2) by a rear zipper fixed coil (5). Zipper construction used. The front gel tape (1) is provided with a first extension (14) and a second extension (15) spaced apart, and the first extension (14) and the second extension (15) are provided. ) is formed with a first clamp groove (16) into which the front case (10) can be matched and inserted. zipper construction. A third extending portion (24) and a fourth extending portion (25) are provided on the rear gel tape (2) at intervals, and the third extending portion (24) and the fourth extending portion (25) are provided. ) is formed with a second clamp groove (26) into which the rear case (20) can be matched and inserted. zipper structure. The first locking strip part (41) of the front zipper fixing coil (4) is inserted into the first locking groove (11) of the front gel tape (1), and the second locking strip part (41) of the rear zipper fixing coil (5) is inserted into the first locking groove (11) of the front gel tape (1). The zipper structure for luggage according to claim 1, characterized in that the locking strip portion (51) is inserted into the second locking groove (21) of the rear gel tape (2). Further comprising a front lining fixed coil (6) and a back lining fixed coil (7), the front lining fixed coil (6) is connected to the front lining (91) of the bag, and the back lining fixed coil (7) is connected to the bag. The front gel tape (1) has a third locking groove ( 12) is provided, and the rear gel tape (2) is provided with a fourth locking groove (22) through which the fourth locking strip portion (71) of the back lining fixing coil (7) can be inserted. The zipper structure used for bags according to claim 1, characterized in that the zipper structure is The front gel tape (1) is provided with a female joint (13), the rear gel tape (2) is provided with a male joint (23), and when the zipper strip (3) is closed, the female The zipper structure used in luggage according to claim 1, characterized in that the mold joint (13) and the male joint (23) are meshed. 6. A product according to claim 5, characterized in that the front lining fixed coil (6) is sewn to the front lining (91) and the back lining fixed coil (7) is sewn to the back lining (92). Zipper structure used for the bag of. A trolley case employing the zipper structure used for the bag according to any one of claims 1 to 7. A rear mask sheet (8) is further included, and the rear mask sheet (8) is installed on the trolley case, and the rear mask sheet (8) is formed between the seams of the front gel tape (1) and the rear gel tape (2). ), the both ends of the rear mask sheet (8) are pins (81) that exert a support function, and the central part of the rear mask sheet (8) is a soft gel part ( 82). The trolley case of claim 8, wherein: A trolley case according to claim 8, characterized in that a plurality of vertically arranged decorative strips (80) are provided on the outer surface of said trolley case, said decorative strips (80) being blade-shaped.

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