Zipper capable of being opened and closed in two directions and freely spliced

Abstract

The utility model discloses a bi-directional opening and closing zipper capable of being freely spliced, which comprises a cloth tape group and a zipper tooth row, the cloth tape group comprises a first cloth tape and a second cloth tape, the zipper tooth row comprises a first zipper tooth strip and a second zipper tooth strip which can be mutually meshed and separated, one of the first zipper tooth strip and the second zipper tooth strip is arranged on the first cloth tape, and the other one of the first zipper tooth strip and the second zipper tooth strip is arranged on the second cloth tape. The other one is arranged on the second cloth belt; one end of the first zipper tooth strip is provided with a first bolt, the other end of the first zipper tooth strip is provided with a second bolt, one end of the second zipper tooth strip is also provided with a first bolt, the other end of the second zipper tooth strip is provided with a second bolt, and the first bolts and the second bolts can be combined and separated mutually. Only the first plug pin and the second plug pin need to be produced in batches, the number of needed molds is small, and cost is reduced. The number of parts is small, installation is convenient, and the risk of installation errors is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of zippers, and in particular relates to a zipper which can be opened and closed in two directions and can be assembled arbitrarily. Background Art

[0002] Zippers are a common connector in daily life. They rely on continuously arranged chain teeth to combine or separate items. They are widely used in clothing, bags, tents, etc.

[0003] Zippers are divided into several categories according to their different structures. Among them, double-opening zippers are widely used on long clothes. When the wearer takes big steps, squats, sits, or performs various movements that require a large degree of freedom, and is wrapped in clothes but does not want or is inconvenient to open the clothes, the zipper below can be opened to the appropriate position to facilitate the wearer's movement.

[0004] The existing double-opening zipper usually includes two rows of chain teeth that can interlock with each other and two sliders. The same end of the two rows of chain teeth is respectively provided with a latch that can be combined and separated with each other. The two latches are defined as the first latch and the second latch, respectively, and the other end is respectively provided with a locking piece. During the production and installation process, in addition to the chain teeth, at least three different parts, namely the first latch, the second latch and the locking piece, need to be mass-produced; if the locking pieces on the two rows of chain teeth are different, four different parts need to be mass-produced. This production method requires more molds and many types of parts. In addition, because the two ends of the two rows of chain teeth have locking pieces, the overall structure of the two zipper tooth chain belts formed in the end is different. During use, the left and right zipper tooth chain belts need to be distinguished. During the installation of the slider, installation errors are prone to occur. When the two left zipper tooth chain belts are selected, the final assembly of the zipper cannot be completed. Therefore, the existing zipper cannot achieve the effect of any two zipper tooth chain belts being assembled to form a complete zipper. Utility Model Content

[0005] The utility model aims to provide a zipper which can be opened and closed in two directions and can be assembled with each other arbitrarily, so as to solve at least one of the above-mentioned technical problems.

[0006] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is as follows:

[0007] A zipper that can be opened and closed in two directions and can be assembled arbitrarily comprises:

[0008] A cloth belt set, comprising a first cloth belt and a second cloth belt;

[0009] A chain tooth row, comprising a first chain tooth strip and a second chain tooth strip that can be engaged with and separated from each other, wherein one of the first chain tooth strip and the second chain tooth strip is arranged on the first fabric tape, and the other is arranged on the second fabric tape;

[0010] A first latch is provided at one end of the first tooth bar, and a second latch is provided at the other end;

[0011] A first latch is provided at one end of the second chain tooth bar, and a second latch is provided at the other end;

[0012] The first latch and the second latch can be engaged with and separated from each other.

[0013] Through such an arrangement, when the zipper of the utility model is mass-produced, in addition to the cloth tape and the chain tooth strip, only the first latch and the second latch need to be mass-produced, and the number of molds required is small, thereby reducing costs; and the small number of parts facilitates installation, thereby reducing the risk of installation errors.

[0014] Preferably, the first latch is provided with a locking groove, and the second latch is provided with a locking block, and the locking block is detachably connected to the locking groove.

[0015] Preferably, the first latch is provided with an integrally formed bottom plate, top block and arc surface on one side facing the second latch, and the bottom plate, the top block and the arc surface form a snap-fitting groove capable of limiting the snap-fitting block in three directions in a geometric space.

[0016] Preferably, the bottom plate, the top block and the arc surface are arranged at an end of the first latch close to the chain tooth row.

[0017] Preferably, the base plate is configured as a pair or as one.

[0018] Preferably, it further comprises two pull heads with opposite opening and closing directions, the pull heads comprising a pair of side wing plates, and the side wing plates are used to abut against the chain tooth rows.

[0019] Preferably, the first tooth strip / the second tooth strip is connected to each other by the first latch pin and the second latch pin at both ends thereof, and the upper and lower halves are engaged with each other under the action of the pull head, so that the first tooth strip / the second tooth strip itself forms a closed tooth row;

[0020] Or the first tooth bar is engaged with the first latch pin at one end thereof and the second latch pin at one end of the second tooth bar, and under the action of the pull head, the first tooth bar and the second tooth bar are engaged with each other to form a closed tooth row.

[0021] Preferably, a limit block is provided on the first latch or the second latch, and the limit block is used to abut against the side wing plate.

[0022] Preferably, the limit block is formed by extending one end of the first pin or the second pin away from the chain element row toward the outside of the first cloth tape or the second cloth tape, and the limit block is used to abut the front end side of the side wing plate.

[0023] Preferably, the chain teeth are nylon chain teeth, metal chain teeth or resin chain teeth.

[0024] Beneficial effects:

[0025] The utility model discloses a two-way opening and closing zipper which can be arbitrarily assembled with each other, comprising a cloth belt group and a chain tooth row, the cloth belt group comprises a first cloth belt and a second cloth belt, the chain tooth row comprises a first chain tooth strip and a second chain tooth strip which can be engaged with and separated from each other, one of the first chain tooth strip and the second chain tooth strip is arranged on the first cloth belt, and the other is arranged on the second cloth belt; one end of the first chain tooth strip is provided with a first latch, and the other end is provided with a second latch, one end of the second chain tooth strip is also provided with a first latch, and the other end is provided with a second latch, the first latch and the second latch can be engaged with and separated from each other, the first chain tooth strip and the first latch and the second latch at both ends are installed on the first cloth belt to form a first zipper chain belt, the second chain tooth strip and the first latch and the second latch at both ends are installed on the first cloth belt to form a first zipper chain belt, the second chain tooth strip and the first latch and the second latch at both ends are installed on the first cloth belt to form a first zipper chain belt, the second chain tooth strip and the first latch and the second latch at both ends are installed on the first cloth belt to form a first zipper chain belt, the first chain tooth strip and the second chain tooth strip ... The first latch and the second latch are installed on the second cloth tape to form a second zipper chain tape; with such an arrangement, when mass-producing the zipper of the utility model, in addition to the cloth tape and the chain tooth strip, only the first latch and the second latch need to be mass-produced, and the number of required molds is small, thereby reducing costs; and the first zipper chain tape and the second zipper chain tape with the first latch and the second latch installed at both ends are completely identical in structure, and the two pull heads can be simultaneously passed through the first chain tooth strip or the second chain tooth strip. In this way, during use, any two zipper chain tapes can be selected to complete the final assembly of the zipper without distinguishing between the left and right zipper chain tapes, thereby achieving the effect of convenient installation and reducing the risk of installation errors.

[0026] The first chain tooth strip / the second chain tooth strip can be mutually engaged with the first pin and the second pin at both ends thereof, and the upper half and the lower half can be engaged under the action of the pull head, so that the first chain tooth strip / the second chain tooth strip can form a closed chain tooth row by itself, thereby realizing that only one zipper tooth chain tape is needed to complete the closing and opening of the zipper, saving the production cost of the zipper, and solving the difficulty of installing long zippers on bags, tents, clothing, etc.

[0027] The zipper of the utility model can be applied to various zippers such as woven zippers, invisible zippers, waterproof zippers, etc., and has a wider range of applications and scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is one of the three-dimensional state diagrams of the zipper of the embodiment of the utility model;

[0029] Figure 2 This is the second three-dimensional state diagram of the zipper of the embodiment of the utility model;

[0030] Figure 3 This is the third three-dimensional state diagram of the zipper of the embodiment of the utility model;

[0031] Figure 4 A three-dimensional structural diagram of a first latch according to an embodiment of the utility model;

[0032] Figure 5 This is a three-dimensional structural diagram of the first latch and the second latch before installation of an embodiment of the utility model;

[0033] Figure 6 This is a three-dimensional structural diagram of a single cloth belt in an embodiment of the utility model;

[0034] Figure 7 This is a three-dimensional structural diagram of the second slider of the embodiment of the utility model;

[0035] Figure 8 It is a partial structural schematic diagram of a cloth belt provided with a second latch in an embodiment of the utility model;

[0036] Fig. 9 To distinguish Figure 4 Another three-dimensional structural diagram of a first latch.

[0037] Reference numerals

[0038] 1-first cloth tape; 11-first chain tooth strip; 2-second cloth tape; 21-second chain tooth strip; 3-first slider; 31-first upper wing plate; 32-first pull tab; 4-second slider; 41-second upper wing plate; 42-pull nose; 43-side wing plate; 44-guide column; 5-first latch; 51-first bottom plate; 52-top block; 53-arc surface; 54-second bottom plate; 6-second latch; 61-engaging block; 62-limiting block. DETAILED DESCRIPTION

[0039] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0040] The technical solution of the utility model is described in detail below with specific embodiments.

[0041] Please also read Figures 1 to 3The utility model provides a two-way opening and closing zipper that can be arbitrarily assembled with each other, including a tape group and a chain tooth row, the tape group includes a first tape 1 and a second tape 2, the chain tooth row includes a first chain tooth strip 11 and a second chain tooth strip 21 that can be engaged with and separated from each other, one of the first chain tooth strip 11 and the second chain tooth strip 21 is arranged on the first tape 1, and the other is arranged on the second tape 2; specifically, in this embodiment, the first chain tooth strip 11 is arranged on the first tape 1, and the second chain tooth strip 21 is arranged on the second tape 2, and two sliders are slidably arranged on the chain tooth row, and the two sliders are defined as the first and second sliders. A slider 3 and a second slider 4, a first chain tooth strip 11 has a first latch 5 at one end and a second latch 6 at the other end, a second chain tooth strip 21 has a first latch 5 at one end and a second latch 6 at the other end, the first latch 5 and the second latch 6 can be combined with and separated from each other, with such an arrangement, when the zipper of the utility model is mass-produced, in addition to the cloth tape, chain tooth strip and slider, only the first latch 5 and the second latch 6 need to be mass-produced, the number of required molds is small, and the cost is reduced; and the number of components is small, the installation is convenient, and the risk of installation errors is reduced.

[0042] It can be understood that in this embodiment, the two sliders are respectively set as the first slider 3 and the second slider 4 for a simple distinction between the two, and it does not mean that the two sliders must be set in different styles. In the actual production and installation process, two completely identical sliders can be slidably connected to the chain tooth array, and such an implementation method also falls within the protection scope of the present utility model; the chain tooth array can be configured as a nylon chain tooth array, a metal chain tooth array or a resin chain tooth array. In this embodiment, a resin chain tooth array is selected.

[0043] Similarly, in order to further distinguish the first slider 3 from the second slider 4, the pull noses 42 of the two sliders in this embodiment are configured into different shapes, and the pull tab is omitted from the second slider 4, which will not be further described here.

[0044] like Figure 2 As shown, the first slider 3 includes a first upper wing plate 31 and a first pull tab 32. The first pull tab 32 is movably arranged on the pull nose 42 of the first upper wing plate 31. During use, the user pulls the first pull tab 32 to drive the first upper wing plate 31 to slide along the chain tooth row. The first pull tab 32 increases the force arm, which is convenient for the user to pull. Figure 3 As shown, the second slider 4 and the first slider 3 have opposite opening and closing directions. When the zipper of this embodiment is applied to clothes, when the wearer takes big steps or squats, sits or performs various movements requiring a large degree of freedom, and is wrapped in clothes but does not want or is inconvenient to open the clothes, the slider located at the bottom can be pulled upward to increase the movement space and facilitate the wearer's movement.

[0045] For further information, please also refer to Figure 4 and Figure 5The first latch 5 is provided with a snap-fitting groove, and the second latch 6 is provided with a snap-fitting block 61, which is detachably connected to the snap-fitting groove. Specifically, the first latch 5 is provided with an integrally formed first bottom plate 51, a top block 52 and a curved surface 53 on the side facing the second latch 6. The first bottom plate 51, the top block 52 and the curved surface 53 form a snap-fitting groove, which can limit the snap-fitting block 61 in three directions of the geometric space, wherein the first bottom plate 51 is used to limit the position of the snap-fitting block 61 on one side of the X direction, the curved surface 53 is used to limit the position of the snap-fitting block 61 in the Y direction, and the top block 52 is used to limit the position of the snap-fitting block 61 in the Z direction. 1 is limited in position. In the process of aligning the first latch 5 and the second latch 6, the second latch 6 is first fixed with one hand, and then the first latch 5 is held by the other hand and moved along the Z direction, so that the engaging block 61 abuts against the arc surface 53. The arc surface 53 has a guiding function and can guide the engaging block 61 to abut against the top block 52. When the engaging block 61 abuts against the top block 52, the first bottom plate 51 can also position the engaging block 61 in the X direction, that is, the engaging groove can limit the engaging block 61 in three directions of the geometric space.

[0046] As another alternative implementation, see Fig. 9 , different from Figure 4 and Figure 5 In the configuration of the base plate as one, Fig. 9 The bottom plates are configured as a pair, namely a first bottom plate 51 and a second bottom plate 54. The principle and operation method are similar to those described above, and the locking block 61 can be better positioned in the Z direction to prevent the user from using too much force when pulling the slider, causing the locking block 61 to be separated from the locking groove.

[0047] The first chain tooth strip 11 and the first pins 5 and the second pins 6 at both ends are installed on the first cloth tape 2 to form a first zipper chain tape, and the second chain tooth strip 21 and the first pins 5 and the second pins 6 at both ends are installed on the second cloth tape 2 to form a second zipper chain tape, and the first zipper chain tape and the second zipper chain tape with the first pins 5 and the second pins 6 installed at both ends are exactly the same in structure, and the two sliders can be simultaneously passed through the first chain tooth strip 11 or the second chain tooth strip 21. During use, any two zipper chain tapes can be selected to complete the final assembly of the zipper without distinguishing between the left and right zipper chain tapes, thereby facilitating installation and reducing the risk of installation errors.

[0048] Furthermore, a limit block 62 is provided on the first latch 5 or the second latch 6. In this embodiment, the limit block 62 is provided on the second latch 6. Figure 7 and Figure 8The second slider 4 includes a second upper wing plate 41, and a pull nose 42 is provided on the second upper wing plate 41 for connecting the second pull tab. In order to better distinguish it from the first slider 3, the second pull tab is omitted in the drawings of the utility model. As is well known to those skilled in the art, the second slider 4 includes two layers of parallel wing plates, which are respectively covered on the upper and lower sides of the chain tooth row. The upper and lower wing plates are connected by a guide column 44, and the guide column 44 is used to separate the first chain tooth strip 11 and the second chain tooth strip 21 that are engaged with each other; side wing plates 43 are also provided on the upper and lower wing plates, respectively, and the side wing plates 43 are used to abut the chain tooth row to engage the first chain tooth strip 11 and the second chain tooth strip 21 that are separated from each other. The distance from the side wing plate 43 to the guide column 44 is defined as D1. The size of the side wing plate 43 and the guide column 44 of the first slider 3 is the same as that of the second slider 4. Figure 8 As shown, the distance from the limit block 62 to the end face of the locking block 61 is D2, D1<D2. With this arrangement, the limit block 62 is used to abut the side wing plate 43 and has a blocking effect on the side wing plate 43, that is, the first slider 3 and the second slider 4 cannot be separated from the second pin 6 along the extension direction of the chain tooth strip, preventing the slider from falling off the chain tooth row when the slider is pulled.

[0049] Preferably, Figure 6 As shown, since the first latch 5 and the second latch 6 are respectively provided at both ends of a single chain tooth strip, when the zipper of this embodiment is applied to luggage, a single cloth tape can be selected, folded in half, the first latch 5 and the second latch 6 are sewn on the same side, the first latch 5 and the second latch 6 are combined with each other, and under the action of the pull head, the teeth of the upper and lower halves of the single chain tooth strip bite each other, so that only one zipper tooth chain tape is needed to complete the closing and opening of the zipper. This arrangement saves the production cost of the zipper, and can also solve the difficulty of installing a long zipper on luggage, tents, clothing, etc., and because it is a single cloth tape, the maximum opening size of the luggage is limited, which can also enhance safety.

[0050] It can be understood that the zipper of the present invention can be applied to a variety of zippers such as woven zippers, invisible zippers, waterproof zippers, etc., and has a wider range of applications and scenarios.

[0051] In summary, the utility model provides a zipper which can be opened and closed in two directions and can be arbitrarily assembled with each other, including a tape group and a chain tooth row, the tape group including a first tape 1 and a second tape 2, the chain tooth row including a first chain tooth strip 11 and a second chain tooth strip 21 which can be engaged with and separated from each other, one of the first chain tooth strip 11 and the second chain tooth strip 21 is arranged on the first tape 1, and the other is arranged on the second tape 2; a first latch 5 is arranged at one end of the first chain tooth strip 11, and a second latch 6 is arranged at the other end, a first latch 5 is also arranged at one end of the second chain tooth strip 21, and a second latch 6 is arranged at the other end, the first latch 5 and the second latch 6 can be engaged with and separated from each other, with such an arrangement, when the zipper of the utility model is mass-produced, in addition to the tape and the chain tooth strip, only the first latch 5 and the second latch 6 need to be mass-produced, and the number of required molds is small, thereby reducing costs; and the number of components is small, installation is convenient, and the risk of installation errors is reduced.

[0052] The above is a detailed description of an embodiment of a zipper that can be opened and closed in two directions and can be arbitrarily assembled with each other provided by the utility model. This article uses specific examples to explain the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A zipper that can be opened and closed in two directions and can be assembled arbitrarily, characterized in that: include: A cloth belt set, comprising a first cloth belt (1) and a second cloth belt (2); A chain tooth row, comprising a first chain tooth strip (11) and a second chain tooth strip (21) capable of engaging with and separating from each other, wherein one of the first chain tooth strip (11) and the second chain tooth strip (21) is arranged on the first cloth tape (1), and the other is arranged on the second cloth tape (2); One end of the first chain tooth bar (11) is provided with a first latch pin (5), and the other end is provided with a second latch pin (6); One end of the second chain tooth bar (21) is provided with a first latch pin (5), and the other end is provided with a second latch pin (6); The first latch (5) and the second latch (6) can be joined together and separated from each other.

2. A two-way zipper that can be opened and closed in any way according to claim 1, characterized in that: The first latch (5) is provided with a snap-fitting groove, and the second latch (6) is provided with a snap-fitting block (61), wherein the snap-fitting block (61) is detachably connected to the snap-fitting groove.

3. A two-way zipper that can be opened and closed in any way according to claim 2, characterized in that: An integrally formed bottom plate, top block (52) and arc surface (53) are provided on one side of the first latch pin (5) facing the second latch pin (6); the bottom plate, top block (52) and arc surface (53) together form a snap-fitting groove, and the snap-fitting groove can limit the snap-fitting block (61) in three directions in a geometric space.

4. A two-way opening and closing zipper that can be arbitrarily assembled according to claim 3, characterized in that: The bottom plate (51), the top block (52) and the arc surface (53) are arranged at one end of the first latch (5) close to the chain tooth row.

5. A two-way zipper that can be opened and closed in any way according to claim 3, characterized in that: The base plate is configured as a pair or as one.

6. A two-way zipper that can be opened and closed in any way according to claim 1, characterized in that: It also comprises two pull heads with opposite opening and closing directions, wherein the pull heads comprise a pair of side wing plates (43), and the side wing plates (43) are used to abut against the chain tooth row.

7. A two-way zipper that can be opened and closed in any way according to claim 6, characterized in that: The first chain tooth strip (11) / the second chain tooth strip (21) is connected to each other by the first latch pin (5) and the second latch pin (6) at both ends thereof, and the upper and lower halves are engaged with each other under the action of the pull head, so that the first chain tooth strip (11) / the second chain tooth strip (21) itself forms a closed chain tooth row; Or the first chain tooth strip (11) is engaged with the first latch pin (5) at one end thereof and the second latch pin (6) at one end of the second chain tooth strip (21), and under the action of the pull head, the first chain tooth strip (11) and the second chain tooth strip (21) are engaged with each other to form a closed chain tooth row.

8. A two-way zipper that can be opened and closed in any way according to claim 6, characterized in that: A limit block (62) is provided on the first latch (5) or the second latch (6), and the limit block (62) is used to abut against the side wing plate (43).

9. A two-way opening and closing zipper that can be arbitrarily joined together according to claim 8, characterized in that: The limit block (62) is formed by extending one end of the first latch (5) or the second latch (6) away from the chain tooth row toward the outside of the first cloth tape (1) or the second cloth tape (2), and the limit block (62) is used to abut the front end side of the side wing plate (43).

10. A two-way opening and closing zipper that can be arbitrarily assembled according to claim 1, characterized in that: The chain teeth are nylon chain teeth, metal chain teeth or resin chain teeth.

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