Anti-theft nylon zipper with double-layer zipper teeth

Abstract

The utility model relates to the technical field of zippers, and discloses a double-layer zipper tooth anti-theft nylon zipper which comprises a first cloth belt and a second cloth belt, double-layer zipper teeth are fixedly installed on the sides, close to each other, of the first cloth belt and the second cloth belt, the same lock head is installed on the two double-layer zipper teeth in a sliding mode, and a zipper pull is installed on the lock head. A plurality of first connecting belts which are arranged at equal intervals are fixedly connected to the inner side of the first cloth belt, a plurality of second connecting belts corresponding to the first connecting belts are fixedly connected to the inner side of the second cloth belt, and a plurality of male snap fasteners are fixedly mounted on the first connecting belts; the male snap fastener on the first connecting belt is connected with the female snap fastener on the second connecting belt, so that the double-layer zipper teeth on the first cloth belt and the double-layer zipper teeth on the second cloth belt are close to each other, the zipper is convenient to close, and the situation that the zipper is not easy to close due to excessive articles in bags and suitcases is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of zippers, in particular to a double-layer chain tooth anti-theft nylon zipper. Background Art

[0002] Zippers are items that we often see and use in our daily lives. According to the material of the zipper, zippers are divided into three categories: metal zippers, resin zippers, and nylon zippers. Nylon zippers are made of nylon monofilament wrapped around a center line through a heated die.

[0003] After searching, a Chinese utility model (publication number: CN207927923U) discloses a double-layer sprocket high-strength nylon zipper, which includes a first fabric tape, a second fabric tape, a lock head, and a sprocket group. The sprocket group is arranged between the first fabric tape and the second fabric tape, and a lower cut-off block is arranged below the first fabric tape and the second fabric tape, a first upper cut-off block is arranged above the first fabric tape, and a second upper cut-off block is arranged above the second fabric tape. The lock head is arranged below the first upper cut-off block and the second upper cut-off block, and a fixing buckle and a pull tab are arranged on the lock head. The sprocket group includes a first sprocket, a second sprocket, a third sprocket and a fourth sprocket, and the first sprocket and the fourth sprocket are arranged on the first fabric tape. The beneficial effect is that the utility model adopts a double-layer sprocket, so that the strength of the nylon zipper is further improved, thereby improving the service life of the nylon zipper.

[0004] However, due to the lack of adjusting the distance between the first cloth tape and the second cloth tape, it is easy to cause the zipper to fail to close. Therefore, how to design a double-layer chain tooth anti-theft nylon zipper has become a problem that we currently need to solve. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a double-layer sprocket anti-theft nylon zipper to solve the problems mentioned in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-layer chain tooth anti-theft nylon zipper, comprising a first cloth tape and a second cloth tape, the first cloth tape and the second cloth tape are fixedly installed with double-layer chain teeth on one side close to each other, the same locking head is slidably installed on the two double-layer chain teeth, and a pull tab is installed on the locking head, the inner side of the first cloth tape is fixedly connected to a plurality of first connecting belts arranged equidistantly, the inner side of the second cloth tape is fixedly connected to a plurality of second connecting belts corresponding to the first connecting belt, the first connecting belt is fixedly installed with a plurality of male snap buttons, and the second connecting belt is fixedly installed with a plurality of female snap buttons.

[0009] Preferably, the number of the male snap buttons and the female snap buttons are both four, and the four male snap buttons and the female snap buttons are distributed in a rectangular array.

[0010] Preferably, a through hole is provided on the first connecting belt, a threaded barrel is fixedly installed on the second connecting belt, a round head bolt is threadedly connected to the threaded barrel, the rod of the round head bolt passes through the inside of the through hole, and the head of the round head bolt is located on the surface of the first connecting belt.

[0011] Preferably, a connection disk is fixedly connected to the surface of the threaded barrel, and the connection disk is fixedly connected to the inner side of the second connection belt.

[0012] Preferably, both sides of the pull tab are fixedly connected with flexible rubber pads.

[0013] Preferably, the flexible rubber pad is transparent in design, and a fluorescent strip is arranged inside the flexible rubber pad.

[0014] Preferably, an anti-theft ring is fixedly connected to the surface of the lock.

[0015] (III) Beneficial effects

[0016] The utility model provides a double-layer chain tooth anti-theft nylon zipper, which has the following beneficial effects:

[0017] First, by connecting the male snap button on the first connecting belt with the female snap button on the second connecting belt, the double-layer chain teeth on the first cloth belt and the second cloth belt are brought close to each other, which facilitates the zipper to close and prevents the zipper from being difficult to close due to too many items inside bags and the like. In addition, due to the mutual pulling between the first connecting belt and the second connecting belt, when the zipper is closed, it is not easy to be damaged by pulling the first cloth belt and the second cloth belt.

[0018] Secondly, the anti-theft ring is locked with the corresponding anti-theft fixing ring on objects such as bags, so that the zipper cannot move, which plays a good anti-theft role. Moreover, by passing the round head bolt through the through hole on the first connecting belt and connecting it with the threaded barrel on the second connecting belt, the connection strength between the first connecting belt and the second connecting belt is improved. Moreover, when the zipper is opened by an illegal person, the first connecting belt and the second connecting belt still need to be removed to completely open the bag, thereby extending the time for the illegal person to open the bag and improving the anti-theft effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the first connecting belt and the second connecting belt of the utility model;

[0021] Figure 3 It is a schematic diagram of the connection structure between the threaded barrel and the second connecting belt of the utility model.

[0022] In the figure: 1. first cloth tape; 2. second cloth tape; 3. double-layer chain teeth; 4. lock head; 5. pull tab; 6. first connecting tape; 7. second connecting tape; 8. male snap button; 9. female snap button; 10. through hole; 11. threaded barrel; 12. round head bolt; 13. connecting plate; 14. flexible rubber pad; 15. fluorescent strip; 16. anti-theft ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] like Figure 1-3 As shown, the utility model provides a technical solution: a double-layer chain tooth anti-theft nylon zipper, including a first cloth tape 1 and a second cloth tape 2, a double-layer chain tooth 3 is fixedly installed on the side where the first cloth tape 1 and the second cloth tape 2 are close to each other, and the same lock head 4 is slidably installed on the two double-layer chain teeth 3, and the surface of the lock head 4 is fixedly connected with an anti-theft ring 16, and the setting of the anti-theft ring 16 is locked with the corresponding anti-theft fixed ring on objects such as luggage, so that the zipper cannot move, which plays a good anti-theft role. A pull tab 5 is installed on the lock head 4, and flexible rubber pads 14 are fixedly connected on both sides of the pull tab 5. The setting of the flexible rubber pad 14 improves the comfort when pulling the pull tab 5. The flexible rubber pad 14 is transparent, and a fluorescent strip 15 is arranged inside the flexible rubber pad 14. The design of the fluorescent strip 15 makes it easy to find the pull tab 5 in a dark environment.

[0027] Specifically, the inner side of the first fabric tape 1 is fixedly connected with a plurality of first connecting tapes 6 arranged equidistantly, the inner side of the second fabric tape 2 is fixedly connected with a plurality of second connecting tapes 7 corresponding to the first connecting tape 6, a plurality of male snap buttons 8 are fixedly installed on the first connecting tape 6, and a plurality of female snap buttons 9 are fixedly installed on the second connecting tape 7. The number of male snap buttons 8 and female snap buttons 9 is four, and the four male snap buttons 8 and female snap buttons 9 are all distributed in a rectangular array. Before pulling the lock 4 to lock the two double-layer chain teeth 3, the male snap buttons 8 on the first connecting tape 6 are connected with the female snap buttons 9 on the second connecting tape 7, so that the double-layer chain teeth 3 on the first fabric tape 1 and the second fabric tape 2 are close to each other, which facilitates the zipper to close, and prevents the zipper from being difficult to close due to too many internal items such as bags. Moreover, due to the mutual pulling between the first connecting tape 6 and the second connecting tape 7, when the zipper is closed, it is not easy to cause the zipper to be damaged due to pulling the first fabric tape 1 and the second fabric tape 2.

[0028] Specifically, a through hole 10 is provided on the first connecting belt 6, and a threaded barrel 11 is fixedly installed on the second connecting belt 7. A round head bolt 12 is connected to the threaded barrel 11. The rod of the round head bolt 12 passes through the inside of the through hole 10, and the head of the round head bolt 12 is located on the surface of the first connecting belt 6. A connecting plate 13 is fixedly connected to the surface of the threaded barrel 11, and the connecting plate 13 is fixedly connected to the inner side of the second connecting belt 7. After the first connecting belt 6 and the second connecting belt 7 are connected, the round head bolt 12 passes through the through hole 10 on the first connecting belt 6 and is connected to the threaded barrel 11 on the second connecting belt 7, thereby improving the connection strength between the first connecting belt 6 and the second connecting belt 7. Moreover, when the zipper is opened by an illegal person, the first connecting belt 6 and the second connecting belt 7 still need to be removed to completely open the luggage, thereby extending the time for the illegal person to open the luggage and improving the anti-theft effect.

[0029] The workflow of this utility model:

[0030] When in use, before pulling the lock head 4 to lock the two double-layer chain teeth 3, the male snap button 8 on the first connecting belt 6 is connected with the female snap button 9 on the second connecting belt 7, so that the double-layer chain teeth 3 on the first cloth belt 1 and the second cloth belt 2 are close to each other, which is convenient for the zipper to be closed, and prevents the zipper from being difficult to close due to too many items inside the bag. In addition, due to the mutual pulling between the first connecting belt 6 and the second connecting belt 7, when the zipper is closed, it is not easy to be damaged by pulling the first cloth belt 1 and the second cloth belt 2;

[0031] Moreover, after the first connecting belt 6 and the second connecting belt 7 are connected, the connection strength between the first connecting belt 6 and the second connecting belt 7 is improved by passing the round head bolt 12 through the through hole 10 on the first connecting belt 6 and connecting it to the threaded tube 11 on the second connecting belt 7. Moreover, when the zipper is opened by an illegal person, the first connecting belt 6 and the second connecting belt 7 still need to be removed to completely open the bag, thereby extending the time for the illegal person to open the bag and improving the anti-theft effect.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer sprocket anti-theft nylon zipper, comprising a first fabric tape (1) and a second fabric tape (2), characterized in that: A double-layer chain tooth (3) is fixedly mounted on the side where the first cloth tape (1) and the second cloth tape (2) are close to each other; a same lock head (4) is slidably mounted on the two double-layer chain teeth (3); a pull tab (5) is mounted on the lock head (4); a plurality of first connecting belts (6) arranged equidistantly are fixedly connected to the inner side of the first cloth tape (1); a plurality of second connecting belts (7) corresponding to the first connecting belts (6) are fixedly connected to the inner side of the second cloth tape (2); a plurality of male snap button buckles (8) are fixedly mounted on the first connecting belt (6); and a plurality of female snap button buckles (9) are fixedly mounted on the second connecting belt (7).

2. A double-layer sprocket anti-theft nylon zipper according to claim 1, characterized in that: The number of the male snap buttons (8) and the female snap buttons (9) is four, and the four male snap buttons (8) and the female snap buttons (9) are distributed in a rectangular array.

3. The double-layer sprocket anti-theft nylon zipper according to claim 1, characterized in that: The first connecting band (6) is provided with a through hole (10), the second connecting band (7) is fixedly mounted with a threaded barrel (11), the threaded barrel (11) is internally threadedly connected with a round head bolt (12), the rod of the round head bolt (12) passes through the interior of the through hole (10), and the head of the round head bolt (12) is located on the surface of the first connecting band (6).

4. A double-layer sprocket anti-theft nylon zipper according to claim 3, characterized in that: A connection disk (13) is fixedly connected to the surface of the threaded barrel (11), and the connection disk (13) is fixedly connected to the inner side of the second connection belt (7).

5. The double-layer sprocket anti-theft nylon zipper according to claim 1, characterized in that: Flexible rubber pads (14) are fixedly connected to both sides of the pull tab (5).

6. A double-layer sprocket anti-theft nylon zipper according to claim 5, characterized in that: The flexible rubber pad (14) is of transparent design, and a fluorescent strip (15) is arranged inside the flexible rubber pad (14).

7. The double-layer sprocket anti-theft nylon zipper according to claim 1, characterized in that: An anti-theft ring (16) is fixedly connected to the surface of the lock head (4).

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