Opening zipper with front positioning at opening end

Abstract

The utility model discloses an opening zipper with a front positioning part at an opening end and a split mounting type draw-bar box. The opening zipper is used for opening and closing a left case shell and a right case shell of the draw-bar box or / and mutually pulling and closing a left lining and a right lining in the left case shell and the right case shell of the draw-bar box to form a hand bag or a single-shoulder bag or a backpack, and comprises a left zipper belt, a right zipper belt and a pull head for opening and closing the left zipper belt and the right zipper belt, and a connecting device of a lower stopper and a bolt which are mutually inserted is arranged at the front end of the left zipper belt and the front end of the right zipper belt. The zipper is characterized in that a front positioning device is further arranged on the extending cloth belt in front of the connecting device, the front positioning device enables the plug pin not to retreat after being inserted into the bottom of the lower blocking groove and enables the zipper head to normally close teeth, and the front positioning device is a gear shaping type positioning device or a hasp type positioning device or a buckling and pressing type positioning device. The multifunctional pen container has the advantages of simple structure, convenience in use and multiple functions.

Description

Technical Field

[0001] The present invention relates to a zipper, and more particularly to an opening zipper with a front positioning device at an opening end and application of the zipper to an assembled trolley case. Background Art

[0002] Almost all trolley cases arrive packaged as finished goods through various transportation and sales channels. However, trolley cases are large, lightweight, and cannot withstand pressure, resulting in high transportation and storage costs. To address this, our company has experimented with not fully assembling the left and right shells of trolley cases during transportation and sales. Instead, the left and right shells are separated and then stacked together, with the openings facing the same direction. Upon arrival at the store or customer, the left and right shells are then joined together, and a main zipper simply assembles the finished product. This significantly reduces transportation and storage costs, and for export, it can also provide some tariff reductions. The key to this approach is providing a zipper and connector for the left and right shells that allows the assembler (or user) to complete the assembly process quickly and easily. In this regard, the applicant has patent application number 2024100874555, a zipper with a handle and its application and installation method on a trolley case. In the technical implementation of the invention, although the open zipper is sewn on the case shell in a ring-shaped overlapping manner to achieve the effect of the case shell being interlocked and interchangeable, it is found that when the open zipper is sewn on the case shell, it is not as easy to operate as the open zipper sewn on the clothes when it is pulled through and pulled. This is because the clothes are light and soft, while the case shell is hard and bears weight. In addition, the pull is pulled through and pulled horizontally. A slight shake will cause the pin to fail to abut against the bottom of the groove in the lower block cavity, often causing the teeth to be misaligned after the slider is pulled, and the teeth cannot be accurately engaged, resulting in the phenomenon of teeth being mixed or broken.

[0003] In order to meet the user's demand for convenient disassembly and assembly, we have further researched and created a device that can be successfully assembled when the zipper has a certain weight or shape and the operating space is small and inconvenient. The front end of the opening element assembly of the opening zipper for bags or tents is equipped with a positioning device that can be used as a finger grip to pinch and pull, and the pin can be inserted into the slider cavity to lead to the bottom of the groove of the lower block cavity and fixed there. Summary of the Invention

[0004] The purpose of the present invention is to provide an opening zipper with a front positioning device at the opening end, which has a simple structure, is easy to open and close, and prevents the left and right chain teeth from being misplaced, and its application in an assembled trolley case.

[0005] In order to meet the above requirements, a technical solution for an opening zipper with a front positioning at the open end is: it is an opening zipper used for opening and closing the left and right box shells of a trolley case or / and for pulling the left and right linings in the left and right box shells of the trolley case together to form a handbag, a shoulder bag or a backpack. It includes left and right chain straps, and sliders for opening and closing the left and right chain straps. A connecting device of mutually plugged lower stops and latches is provided at the front ends of the left and right chain straps. It is characterized in that a front positioning device is also provided on the extended cloth belt in front of the connecting device, so that the latch will not retreat after being inserted into the bottom of the lower stop groove and the slider can normally engage with the teeth. The front positioning device is: a tooth-type positioning device, a buckle-type positioning device or a buckle-type positioning device:

[0006] The slotted gear positioning device is a slotted gear positioning device in which single or multiple teeth arranged in the same direction as the length of the chain belt and capable of engaging with each other are fixed on the left and right chain belts to form positioning teeth and long racks to form adjusting teeth;

[0007] The buckle type positioning device is fixed on the left and right chain belts respectively and is fastened and bonded together with Velcro (magic tape);

[0008] The buckle-type positioning device is a buckle-type positioning device in which holes and protrusions that can buckle with each other are respectively fixed on the left and right chain belts.

[0009] The slotted gear positioning device is provided with a hook beside the positioning tooth to press the side of the opposite adjustment tooth, so as to prevent the sideways sliding out after the two racks are engaged.

[0010] The rear ends of the left and right chain belts used for opening and closing the zippers of the left and right box shell openings are connected with guides for conveniently guiding the left and right chain belts into the tooth cavity of the slider. One end of the guide is a connecting piece for fixing with the cloth belts of the left and right chain belts. The thickness of the connecting piece and the cloth belt after being fixed is not greater than the gap between the upper cover plate and the lower cover plate of the slider for the cloth belt to pass through. A slender guide rod is connected next to the connecting piece for easy insertion. The guide rod is connected to the sprockets on the chain belt. The height and width of the guide rod are not greater than the height and width of the sprockets.

[0011] The head of one of the guide rods is hook-shaped and faces the cloth belt, and the head of the other guide rod is an inclined surface with a smaller front and a larger rear. Marks are made on the rod bodies of the guide rods as memory positions for the engagement of the teeth.

[0012] A zipper with a front positioning at the opening end is used in an assembled trolley case. The zipper is characterized in that the left and right chain straps are overlapped and sewn on the outer surfaces of the left and right case shell edges, respectively, and the overlapping portion of each chain strap is located in the middle of one side of the mutually connected edge of the left and right case shells when the trolley case is unfolded, and the seam starting points of the left and right case shells are required to be consistent.

[0013] The invention relates to an application of an opening zipper with a front positioning at the opening end on an assembled trolley case, which is characterized in that corresponding shoulder straps or carrying strap assemblies are sewn on the left and right inner linings of the left and right box shells of the trolley case as needed to serve as a handbag, a shoulder bag or a backpack, and the handbag, a shoulder bag or a backpack is formed by joining the opening zippers on the left and right inner linings.

[0014] According to the above-mentioned scheme, a zipper with a front positioning device at the opening end and its application in a modular trolley case are designed. The front positioning device in front of the main zipper ensures that the latch is correctly positioned after entering the groove bottom of the lower block cavity and does not move back, ensuring that the left and right case shells are correctly closed after the main zipper is closed. It effectively prevents the left and right sprockets from misaligning due to the latch not being properly inserted into the lower block or moving back during the zipper pull, and controls the twisting between the left and right case shells after the zippers are closed. It effectively solves the problem of front-to-back position difference between the left and right chain belts and the mutual twisting between the left and right case shells when they are aligned, achieving the requirement that the four rollers at the bottom of the trolley case can touch the ground simultaneously. At the same time, it can also facilitate the separation and correct assembly of the two case shells. During use, the lining of the trolley case shell can be removed according to the user's requirements and then zipped together using the zipper of the present invention to form a handbag, shoulder bag, or backpack, achieving multiple uses for the case and enhancing the functionality and usability of the trolley case. When the left and right shells are completely separated, the shells in the same direction can be stacked (set) together to greatly reduce their volume, thereby reducing transportation and storage costs. Later assembly does not require any equipment or tools, and is quick and simple. It has the advantages of simple structure, easy use, and diverse functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the main zipper view of the left and right shells of the trolley case;

[0016] Figure 2 yes Figure 1 A partial enlarged view of the middle F area;

[0017] Figure 3 It is a side view of the slider;

[0018] Figure 4 This is a partial view of the zipper's front end when the slotted tooth positioning device is separated;

[0019] Figure 5 This is a three-dimensional diagram of the slotted positioning device when it is installed on the fabric belt;

[0020] Figure 6 It is a three-dimensional diagram of a slotted gear positioning device with a hook;

[0021] Figure 7It is a three-dimensional view of a splined positioning device with a hook and a connecting device of a lower stop and a latch;

[0022] Figure 8 It is a three-dimensional diagram showing the lower stop, the slotted tooth positioning device of the hook and the pull head;

[0023] Figure 9 This is a diagram of a zipper with a hook-type positioning device when the teeth are engaged;

[0024] Figure 10 is a three-dimensional diagram of the left and right chains with the buckle-type positioning device when separated;

[0025] Figure 11 It is a three-dimensional diagram of the left and right chain straps with the buckle type positioning device when the buckles are overlapped and the sliders are closed;

[0026] Figure 12 This is a three-dimensional diagram of the left and right links with the buckle-type positioning device when they are separated;

[0027] Figure 13 It is a three-dimensional diagram of the left and right chain straps of the buckle type positioning device when the buckle type positioning device is connected and the slider is pulled together;

[0028] Figure 14 It is a three-dimensional view of the right chain with a snap-on positioning device sewn onto the right case shell;

[0029] Figure 15 This is a front view of the left and right chain straps of the buckle-type positioning device sewn on the left and right box shells;

[0030] Figure 16 yes Figure 15 The main view when the middle slider pulls the left and right box shells together;

[0031] Figure 17 yes Figure 16 The three-dimensional image after pulling the slider;

[0032] Figure 18 It is a three-dimensional diagram of an opening zipper used to pull the linings in the left and right shells together to form a handbag, a shoulder bag or a backpack;

[0033] Figure 19 It is an exploded view of the left and right box shells and their linings;

[0034] Figure 20 It is a three-dimensional diagram of the backpack formed by combining the linings in the left and right shells;

[0035] Figure 21 It is a three-dimensional view of the slotted gear positioning device when it is ready for assembly;

[0036] Figure 22is a perspective view of the snap-on retaining device when ready for assembly;

[0037] Figure 23 is a three-dimensional diagram of the buckle type positioning device when it is ready for assembly;

[0038] Figure 24 yes Figure 22 A three-dimensional view of the latch pin passing through the pull head tooth groove and entering the bottom of the lower block inner cavity groove.

[0039] In the figure: 1. Main zipper; 2. Left and right zipper strips; 3. Slider; 4. Lower stop; 5. Latch; 6. Connecting device; 7. Handle; 8. Connecting piece; 9. Tape; 10. Upper cover; 11. Lower cover; 12. Guide rod; 13. Sprocket; 14. Marker; 15. Front locating device; 16. Slotted locating device; 17. Hook-type locating device; 18. Snap-type locating device; 19. Locating tooth; 20. Adjusting tooth; 21. Hook; 22. Velcro; 23. Hole; 24. Boss; 25. Opening zipper; 26 Top stop; 27. Left case; 28. Right case; 29. ​​Left lining; 30. Right lining; 31. Strap or carrying strap assembly. DETAILED DESCRIPTION

[0040] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Example 1

[0041] like Figure 1 、 Figure 2 As shown, it is a main zipper 1 with a front-positioned opening zipper at the open end for opening and closing the left and right shells of the trolley case. The main zipper 1 can be a single-layer zipper or a double-layer zipper. It includes left and right chain straps 2, and a slider 3 for opening and closing the left and right chain straps 2. A connecting device 6 of a lower stop 4 and a latch 5 that are plugged into each other is provided at the front end of the left and right chain straps 2. A guide 7 is connected to the rear end of the main zipper 1 to facilitate guiding the left and right chain straps 2 into the tooth cavity of the slider 3. One end of the guide 7 is a connecting piece 8 for fixing with the cloth tape 9 of the left and right chain straps 2. The thickness of the connecting piece 8 after fixing with the cloth tape 9 is not greater than the gap S between the upper cover 10 and the lower cover 11 of the slider 3 for the cloth tape 9 to pass through. Figure 3As shown, a slender guide rod 12 is connected next to the connecting piece 8 to facilitate threading. The guide rod 12 is connected to the sprocket 13 on the chain belt. The height and width b of the guide rod 12 are not greater than the height and width B of the sprocket 13. The guide rod 12, one of which has a hook-shaped head facing the side of the tape to prevent the slider 3 from falling off the guide rod 12, and the other has a slope with a smaller front and a larger back to facilitate the guide rod 12 passing through the slider. A mark 14 is made on the rod body of the guide rod 12 as a memory position for engaging the teeth. A front positioning device 15 is also provided on the extended tape 9 in front of the connecting device 6, so that the pin 5 will not retreat after being inserted into the bottom of the lower block 4 groove and the slider can engage the teeth normally. The front positioning device 15 is: a slotted positioning device 16 or a snap-on positioning device 17 or a buckle-type positioning device 18: the slotted positioning device 16 is as shown in FIG. Figure 4 、 Figure 5 As shown: It is a slotted positioning device 16 fixed on the left and right chain belts 2, which is respectively arranged in the same direction as the length of the chain belt and can mesh with each other, consisting of a single tooth or multiple teeth forming a positioning tooth 19 and a long rack forming an adjustment tooth 20. A hook 21 can also be provided next to the positioning tooth 19 to press the side of the opposite adjustment tooth 20. Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 As shown, it is used to prevent the sideways sliding out after the two racks are engaged. Figure 10 、 Figure 11 As shown: the left and right chain straps are respectively fixed with velcro 22 (magic tape) and the buckle type positioning device 17 is fastened and bonded together; the buckle type positioning device 18 is as shown Figure 12 、 Figure 13 As shown, a buckling type positioning device 18 is fixed on the left and right chain belts 2, respectively, with holes 23 and protrusions 24 that can buckle with each other.

[0042] The sewing method of using the front-positioned opening zipper as the main zipper for opening and closing the left and right shells is as follows: the left and right chain belts are overlapped and sewn on the outer surface of the left and right shell edges, and the overlapping part of each chain belt is located in the middle of the side of the mutual connection when the left and right shells of the trolley case are unfolded, and the starting point of the left and right shells is consistent. Figure 14 As shown in the figure (this figure takes the right box shell as an example, the left box shell is also symmetrical). When the left and right chain belts are sewn to the left and right box shells respectively, Figure 15 As shown, when the left and right shells are pulled together, Figure 16 、 Figure 17 shown. Example 2

[0043] The opening end is provided with a front-positioned opening zipper for pulling the linings in the left and right box shells of the trolley case together to form an opening zipper 25 for a handbag, a shoulder bag or a backpack. Figure 18 The front end of the opening zipper is also provided with a connecting device 6 and a front positioning device 15 of the same structure as in Example 1, except that a conventional zipper top stop 26 is fixed to the rear end of the chain belt and the entire zipper has only one slider 3 (in Example 1, there are usually two sliders). The specifications of this zipper are smaller than those of the main zipper 1 used to open and close the left and right case shells 27 and 28. The rest of the details are not repeated here.

[0044] The specific manufacturing method is as follows: corresponding shoulder straps or carrying strap components 31 are sewn on the left lining 29 and the right lining 30 in the left box shell 27 and the right box shell 28 of the trolley case as needed, so as to be used as a handbag, a shoulder bag or a backpack. The zippers 25 on the left lining 29 and the right lining 30 are joined together to form a handbag, a shoulder bag or a backpack. The sewing and assembly method is as follows:

[0045] A. Sewing: Two open zippers 25 of the same specifications are sewn on the inner surface of the edge of the left box shell 27 and the edge of the left lining 29, and another open zipper 25 is sewn on the inner surface of the edge of the right box shell 29 and the edge of the right lining 30. When the front end of one of the single-sided chain belts of the open zipper 25 sewn on one lining is a lower crotch, the front end of the single-sided chain belt sewn on the other lining must be equipped with a latch, so that the single-sided chain belts on the left lining 29 and the right lining 30 can be spliced ​​and pulled together, and ensure that the two chain belts cannot be misaligned front to back during sewing;

[0046] B. Assembly: In normal use, the zippers 25 of the left box shell 27 and the left lining 29, and the right box shell 28 and the right lining 30 are closed to serve as linings; when it is necessary to combine them into a handbag, a shoulder bag or a backpack, the zippers 25 of the left box shell 27 and the left lining 29, and the right box shell 28 and the right lining 30 are opened, and the left lining 29 and the right lining 30 are removed respectively. Figure 19 As shown, by plugging and pulling together the chain belts on the respective edges of the left lining 29 and the right lining 30, the corresponding bag or pouch can be assembled. Figure 20 shown.

[0047] In the above two embodiments, the method of using the front-positioned opening zipper is as follows: the two components to be closed are brought together, the slider 3 is pulled close to the lower stop 4, and the positioning member A in front of the latch 5 is pulled up, wherein the slotted positioning device 16 is a positioning tooth 20 as shown in FIG. Figure 21 As shown, the buckle type positioning device 17 is a nylon buckle 22 as shown in FIG. Figure 22 As shown, the buckle type positioning device 18 is a buckle piece with a hole 23 as shown in FIG. Figure 23 As shown. Press the latch 5 as shown. Figure 21The direction indicated by the middle arrow passes through the tooth groove of the pull head 3, and then enters the groove bottom of the inner cavity of the lower block 4. Figure 24 As shown, then press Figure 24 Pull down the positioning member A in the direction indicated by the middle arrow, so that the positioning member A is fixedly connected to the positioning member B corresponding to the front of the lower block, and the slider 3 is pulled to realize the closing of the left and right chain belts 2 or the opening zipper 25. The states of the three front positioning devices 15 after the slider 3 is closed are as follows: Figure 9 、 Figure 11 、 Figure 13 shown.

[0048] In actual use, a lower stop 4 can be respectively connected and pulled together by multiple chain belts with pins 5, or the one pin 5 can be respectively connected and pulled together by multiple chain belts with lower stops 4, so as to realize the mutual disassembly and splicing between multiple components. Example 2 is one of them. The pin 5 of the zipper on the lining is inserted into the lower stop 4 on the same side of the box shell (as a fixation of the lining) and the lower stop 4 of the zipper on the opposite lining (combined into a bag or bag), and the lower stop 4 is also the same.

[0049] Of course, the above examples are only preferred embodiments of the present invention, and do not limit the scope of the present invention. All equivalent changes and modifications made within the scope of this application are still within the scope of protection covered by the present invention.

Claims

1. A zipper with a front-positioned opening end, used to open and close the left and right shells of a trolley case or / and to draw the left and right linings of the left and right shells together to form a handbag, shoulder bag, or backpack. It includes left and right chain straps and sliders for opening and closing the left and right chain straps. A connecting device with a lower stop and a latch is provided at the front ends of the left and right chain straps. It is characterized by: The extended cloth belt in front of the connecting device is also provided with a front positioning device, which prevents the latch from retreating after being inserted into the bottom of the lower retaining groove and allows the slider to engage the teeth normally. The front positioning device is a tooth-type positioning device, a buckle-type positioning device, or a press-type positioning device. The slotted gear positioning device is a slotted gear positioning device in which single or multiple teeth arranged in the same direction as the length of the chain belt and capable of engaging with each other are fixed on the left and right chain belts to form positioning teeth and long racks to form adjusting teeth; The buckle type positioning device is fixed on the left and right chain belts respectively and is fastened and bonded together with Velcro; The buckle-type positioning device is a buckle-type positioning device in which holes and protrusions that can buckle with each other are respectively fixed on the left and right chain belts.

2. The zipper with a front-positioned opening end according to claim 1, characterized in that The slotted gear positioning device is provided with a hook beside the positioning tooth to press the side of the opposite adjustment tooth, so as to prevent the sideways sliding out after the two racks are engaged.

3. The zipper with a front-positioned opening end according to claim 1, characterized in that The rear ends of the left and right chain belts used for opening and closing the zippers of the left and right box shell openings are connected with guides for conveniently guiding the left and right chain belts into the tooth cavity of the slider. One end of the guide is a connecting piece for fixing with the cloth belts of the left and right chain belts. The thickness of the connecting piece and the cloth belt after being fixed is not greater than the gap between the upper cover plate and the lower cover plate of the slider for the cloth belt to pass through. A slender guide rod is connected next to the connecting piece for easy insertion. The guide rod is connected to the sprockets on the chain belt. The height and width of the guide rod are not greater than the height and width of the sprockets.

4. The zipper with a front-positioned opening end according to claim 3, characterized in that The head of one of the guide rods is hook-shaped and faces the cloth belt, and the head of the other guide rod is an inclined surface with a smaller front and a larger rear. Marks are made on the rod bodies of the guide rods as memory positions for the engagement of the teeth.

Images