Slide zipper and products using same

Abstract

A light-sliding zipper and its applied products include a chain belt and chain teeth, wherein the chain teeth are arranged on the chain belt and spaced apart in the axial direction; the chain belt includes a first chain belt, a second chain belt, and an intermediate connecting chain belt; the chain teeth include a first set chain tooth group and a second set chain tooth group; the first set chain tooth group and the second set chain tooth group respectively include male chain teeth and female chain teeth that can be used in conjunction with each other; several female chain tooth grooves spaced apart in front and back are combined into an axially extending storage groove channel, and the male chain teeth are provided with male chain tooth heads that can be accommodated in the female chain tooth grooves. Several male chain tooth heads spaced apart in front and back are inserted into the female chain tooth grooves, and when the intermediate connecting chain belt moves axially, the male chain tooth heads can slide axially in the storage groove channel. This new combination structure of the light-sliding zipper further alleviates the problem of easy sticking, thereby having a smoother feel and avoiding the problem of resistance of the slider during sliding, which affects the smoothness of the zipper.

Description

Technical Field

[0001] The present invention relates to a zipper, which is a connector on a fabric and is generally applied to an opening of the fabric to control the opening or closing of the opening. The present invention particularly relates to a light-sliding zipper having a relatively ideal light-sliding effect. Background Art

[0002] Zippers are common in everyday life and generally consist of an axially extending left and right zipper tapes and an axially sliding slider. The slider's sliding motion allows the chain elements on the left and right zipper tapes to engage or disengage. Existing chain elements are mostly integrally formed, rigid structures, such as cold-extruded metal chain elements or injection-molded resin chain elements. During the closing process of the left and right zipper tapes, the slider squeezes the left and right chain elements of the left and right zipper tapes to engage them. Due to the precision of the relevant fitting dimensions, the left and right chain elements require a relatively high extrusion force to engage. Furthermore, the slider also generates a certain amount of friction with the chain elements or tape during its sliding motion. The presence of these factors will affect the smoothness of the zipper's closing and closing, and to some extent, affect the feel of pulling the slider and the speed of the zipper's disengagement. To improve the smoothness of zippers, various solutions have been proposed, such as the elastic meshing zipper disclosed in Chinese Invention Patent CN201410348920.2, which improves the tooth structure; the injection-molded zipper with staggered hook teeth disclosed in Chinese Invention Patent CN200410030762.2; and the slider structure improved in Chinese Utility Model Patent CN201620244875.0, which reduces friction with the teeth. However, these numerous solutions still fail to effectively address the problem of friction caused by the compression between the teeth and the slider, which in turn affects smoothness.

[0003] Chinese invention patent CN201410658506.1 proposes a safety sliding chain that can effectively solve the above-mentioned problems. The chain comprises an upper chain and a lower chain. The upper chain comprises a plurality of clamping rings arranged on a base fabric. The clamping rings comprise two arc-shaped clamping arms connected as one body, and the ends of the clamping arms are spherical. The lower chain comprises an elongated chute and a base fabric connection seat arranged at the lower end of the chute. The chute is an inverted trapezoidal chute. The four edges of the chute are provided with ribs. The rib at the top of the chute extends beyond the outer end of the chute and is provided with a limit platform. The height of the rib at the top of the chute is greater than the height of the ribs at the other three edges. The base fabric connection seat is connected to the base fabric. The upper chain is clamped on the rib of the chute by the clamping rings and is thus connected to the lower chain. This solution completely omits the slider setting, thereby completely avoiding the extrusion and friction of the slider on the chain teeth. The Chinese invention patent 201410658506.1 proposes a single-layer light-sliding sleeve method consisting of a clamping ring and a convex rib. However, the sliding chain is very likely to get stuck between the clamping ring and the slide groove when in use. Especially when applied to products with an annular structure, the clamping ring must move in a circular motion, which is very easy to get stuck. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention proposes a light-sliding zipper with a completely new structure. The new combination structure of the light-sliding zipper further alleviates the problem of easy sticking, thereby having a smoother feel. In view of this, the present invention proposes a light-sliding zipper, comprising a chain belt and chain teeth, wherein the chain teeth are arranged on the chain belt and spaced apart in the axial direction; the chain belt is characterized in that the chain belt comprises a first chain belt, a second chain belt and an intermediate connecting chain belt, and there is a spacing space between the first chain belt and the second chain belt, and the intermediate connecting chain belt is arranged in the spacing space; the chain teeth comprise a first set chain tooth group and a second set chain tooth group, the first set chain tooth group is arranged between the first chain belt and the intermediate connecting chain belt, and the second set chain tooth group is arranged between the second chain belt and the intermediate connecting chain belt; the first set chain tooth group, the second set chain tooth group The tooth groups respectively include male chain teeth and female chain teeth that can be put into use; the head of the female chain tooth is in the shape of an open ring so as to have a female chain tooth groove and a female chain tooth notch, and the female chain tooth grooves of several female chain teeth arranged at intervals in the front and back are combined into an axially extending storage groove channel; the male chain tooth is provided with a male chain tooth head that can be accommodated in the female chain tooth groove, the height of the male chain tooth head is greater than the height of the female chain tooth notch but less than the height of the female chain tooth groove, and the male chain tooth heads of several male chain teeth arranged at intervals in the front and back are inserted into the female chain tooth groove and when the intermediate connecting chain belt moves axially, the male chain tooth head can slide axially in the storage groove channel.

[0005] The chain belt includes three parts, namely the first chain belt and the second chain belt arranged at intervals, and an intermediate connecting chain belt arranged in the interval space between the first chain belt and the second chain belt. The chain belt adopts a three-piece structure.

[0006] Among them, the male link teeth and female link teeth that can be used together through sleeves refer to that the male link teeth and female link teeth are matched and the male link teeth are sleeved on the female link teeth for use together.

[0007] Among them, the first set of chain teeth group is configured between the first chain belt and the intermediate connecting chain belt, which means that the male chain teeth and female chain teeth of the first set of chain teeth group are respectively configured on the first chain belt and the intermediate connecting chain belt. For example, the male chain teeth are arranged on the inner side of the first chain belt, and the female chain teeth are arranged on the side portion of the intermediate connecting chain belt corresponding to the inner side of the first chain belt. Alternatively, the male chain teeth and the female chain teeth are swapped, the female chain teeth are arranged on the inner side of the first chain belt, and the male chain teeth are arranged on the side portion of the intermediate connecting chain belt corresponding to the inner side of the first chain belt. The specific configuration of the second set of chain teeth group between the second chain belt and the intermediate connecting chain belt is similar to the configuration of the first set of chain teeth group between the first chain belt and the intermediate connecting chain belt, and will not be repeated here.

[0008] The height of the male chain tooth head is greater than the height of the female chain tooth notch but less than the height of the female chain tooth groove. In this way, a certain movable gap is formed between the male chain tooth head and the female chain tooth groove to reduce the friction between the male chain tooth head and the female chain tooth groove. The male chain tooth head can easily slide from one female chain tooth groove into another adjacent female chain tooth groove, but the male chain tooth head inserted into the female chain tooth groove cannot move laterally through the female chain tooth notch and detach from the female chain tooth. The male chain teeth and the female chain teeth are inserted together using a light sliding sleeve structure, and do not require the extrusion of the slider to complete the buckling, so the setting of the slider can be omitted, thereby avoiding the problem of the slider encountering resistance during the sliding process and affecting the smoothness of the zipper.

[0009] According to the above technical solution, compared with the prior art, the present invention can achieve at least one of the following beneficial technical effects:

[0010] 1. Since the chain belt includes a first chain belt, a second chain belt, and an intermediate connecting chain belt, the first set of chain teeth is disposed between the first chain belt and the intermediate connecting chain belt, and the second set of chain teeth is disposed between the second chain belt and the intermediate connecting chain belt. Thus, the light-slip zipper has a double-layer light-slip sleeve structure. When the configuration allows the first chain belt, the second chain belt, and the intermediate connecting chain belt to slide relative to each other, and when the first chain belt and the intermediate connecting chain belt become stuck during relative sliding, the relative sliding between the second chain belt and the intermediate connecting chain belt is not significantly affected, further alleviating the problem of easy sticking and providing a smoother feel.

[0011] 2. Similarly, since the chain belt comprises a first chain belt, a second chain belt, and an intermediate connecting chain belt, these are slidably connected together by the first set of chain element groups and the second set of chain element groups, respectively. This allows for at least two sliding modes between the first chain belt, the second chain belt, and the intermediate connecting chain belt. In the first sliding mode, the first chain belt, the second chain belt, and the intermediate connecting chain belt slide relative to each other, allowing the light-slip zipper to be used to connect two fabrics that require relative sliding. In the second sliding mode, while the first and second chain belts remain relatively stationary, the intermediate connecting chain belt can slide relative to the first and second chain belts, allowing the light-slip zipper to be used to open or close fabric openings, such as bag openings. Of course, different types of travel limiters are required in these two different applications to limit the sliding travel of the intermediate connecting chain belt. Thus, the new combination structure of the light-slip zipper has a relatively wide range of applications and still meets the requirement for a light-slip feel when pulling the zipper.

[0012] 3. Because the female coupling grooves of several female coupling elements are spaced apart in a front-to-back arrangement, and the male coupling heads of several male coupling elements are spaced apart in a front-to-back arrangement, the first and second coupling belts have relatively excellent flexibility without being overly rigid. When applied to a product and wrinkles appear on the fabric of the product, the male coupling heads of the adjacent male coupling elements and the female coupling grooves of the female coupling elements can automatically adjust their positions appropriately to adapt to the deformation of the fabric of the product, thereby further facilitating the axial sliding of the male coupling heads of the male coupling elements within the female coupling grooves of the female coupling elements.

[0013] A further technical solution may be that the axial ends of the male chain tooth head are respectively provided with inclined guiding surfaces, so that the male chain tooth head can be more easily inserted into the female chain tooth groove, further optimizing the light and smooth feeling when pulling the zipper.

[0014] A further technical solution may be that the intermediate connecting link is in the form of a belt or rope. The belt-like shape of the intermediate connecting link means that the intermediate connecting link has a certain width, such as 10 cm, 15 cm, etc. The rope-like shape of the intermediate connecting link means that the intermediate connecting link has a relatively small width, such as a metal wire, rope, etc.

[0015] A further technical solution is to integrally form a fused intermediate element body on the left and right sides of the intermediate connecting link in the transverse direction, with the front and rear fused intermediate element bodies spaced apart in the axial direction. In this way, the intermediate fused intermediate element body has a certain transverse extension and covers the intermediate connecting link. The intermediate fused intermediate element body has a relatively large transverse width, providing space for layout of text or pattern layers.

[0016] A further technical solution is that the fastener elements arranged on the left and right sides of the intermediate connecting link in the transverse direction are not integrally formed but are spaced apart in the transverse direction. In this way, the intermediate connecting link can be exposed between the fastener elements on the left and right sides in the transverse direction of the intermediate connecting link, and the intermediate connecting link can provide optimal layout space for arranging decorative elements such as text or pattern layers.

[0017] A further technical solution may be that a text or pattern layer is provided on the intermediate connecting link, so that the intermediate connecting link becomes a sliding decorative belt arranged between the first link and the second link, thereby enriching the appearance of the zipper.

[0018] A further technical solution may be that the intermediate connecting link is provided with an operating handle capable of pulling the intermediate connecting link to move. The operating handle is used to pull the intermediate connecting link to move. The operating handle may be a woven portion extending from each axial end of the intermediate connecting link, or a plastic handle directly injection-molded on the intermediate connecting link, or a pull ring inserted on each axial end of the intermediate connecting link.

[0019] In order to properly stop and position the intermediate connecting link, a further technical solution can also be to set a connection stopper at one of the ends on the same side of the first link and the second link, and to set a stopper adapter at the corresponding end of the intermediate connecting link. When the corresponding end of the intermediate connecting link moves to the connection stopper, the stopper adapter can be coupled to the connection stopper to stop and position the intermediate connecting link. In this way, the intermediate connecting link is stopped and positioned by the combination of the connection stopper and the stopper adapter, preventing the intermediate connecting link from sliding freely and pulling the zipper. However, when an appropriate force is applied to pull the intermediate connecting link, the stopper adapter can be separated from the connection stopper, allowing the intermediate connecting link to return to a free state where it can slide easily between the first and second links. In specific applications, the connection stopper can be an elastic clamp, and the stopper adapter can be a buckle arm that can be buckled onto the elastic clamp. It should be noted that the connection stopper is arranged at one of the end positions on the same side of the first link and the second link, which means that the connection stopper can be arranged on the first link and the second link at the same time, and is located at one of the axial end positions, namely the left end position or the right end position, or is only arranged at one of the axial end positions of the first link or one of the axial end positions of the second link.

[0020] In order to prevent the intermediate connecting link from completely separating from the first and second links, a further technical solution may be to provide an anti-slip device at the other end of the first and second links on the same side, and to provide an anti-slip fitting on the intermediate connecting link, wherein the anti-slip fitting is arranged between the axial ends of the first and second links, and the intermediate connecting link can pass through the anti-slip fitting but the anti-slip fitting cannot pass through the anti-slip fitting, thereby preventing the intermediate connecting link from completely separating from the first and second links. The anti-slip fitting may be a connecting bridge spanning the gap, wherein a pair of legs of the connecting bridge are respectively connected to the first and second links, and the anti-slip fitting may be a raised stopper extending upwardly substantially perpendicular to the intermediate connecting link, and the raised stopper is higher than the connecting bridge; or the anti-slip fitting may be a cantilever connected to the first or second link, wherein the free end of the cantilever extends toward the gap, and the anti-slip fitting is a raised stopper extending upwardly substantially perpendicular to the intermediate connecting link, and the raised stopper is higher than the cantilever. It should be noted that the anti-slip device is provided at the other end position on the same side of the first chain belt and the second chain belt, which means that the anti-slip device can be provided on both the first chain belt and the second chain belt at one of the axial end positions, i.e., the left end position or the right end position, or can be provided only at one of the axial end positions of the first chain belt or one of the axial end positions of the second chain belt. When the anti-slip device is provided, one application of the light-slip zipper is to be applied to the opening of a fabric, such as a bag opening, to open or close the opening. In this way, the presence of the intermediate connecting chain belt can appropriately widen the distance between the first chain belt and the second chain belt. The larger the distance, the easier it is to store and retrieve items. The size of the distance can be adjusted by adjusting the lateral width of the intermediate connecting chain belt.

[0021] A further technical solution may be that the axial lengths of the first and second chain belts are greater than the axial length of the intermediate connecting chain belt, and limiters are provided at both axial ends of the first or second chain belts to limit the sliding stroke of the intermediate connecting chain belt. The limiters may be provided at both axial ends of the first chain belt, or at both axial ends of the second chain belt, or at both axial ends of the first and second chain belts. In this way, the intermediate connecting chain belt can only slide between a pair of the limiters and cannot be separated from the first and second chain belts. One application of the light-slip zipper is to connect two fabrics that need to slide relative to each other, such as a garment body and a hat.

[0022] The present invention also proposes a product using the light-sliding zipper, including a fabric for forming a surface, characterized in that a first fabric edge and a second fabric edge are reserved on the product, and the first chain belt of the light-sliding zipper is sewn on the first fabric edge, and the second chain belt is sewn on the second fabric edge.

[0023] Since the present invention has the above characteristics and advantages, it can be applied to a light-sliding slide fastener and products to which it is applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of a light-sliding zipper using the technical solution of the present invention. In order to clearly illustrate the structure of the zipper, the middle connecting link is completely separated from the first and second link belts in the figure.

[0025] Figure 2 is a schematic cross-sectional structural diagram of the first link belt, the second link belt and the intermediate connecting chain in a disassembled state;

[0026] Figure 3 It is along Figure 2 A schematic cross-sectional structural diagram of a male chain tooth head 310 obtained by cutting one of the male chain tooth heads 310 along the AA direction;

[0027] Figure 4 is a schematic diagram of the three-dimensional structure of the engagement stopper and a schematic diagram of its structure when viewed from the left;

[0028] Figure 5 1 is a schematic diagram of the three-dimensional structure of the anti-slip device;

[0029] Figure 6 is a structural schematic diagram of a clothing product to which the light-sliding zipper 100 is applied;

[0030] Figure 7 is a schematic diagram of the exploded structure of a light-sliding zipper 100a according to the second embodiment;

[0031] Figure 7A yes Figure 7 Schematic diagram of the cross-sectional structure in the CC direction;

[0032] Figure 8 is a structural schematic diagram of a clothing product to which the light-sliding zipper 100a is applied;

[0033] Figure 9 The third embodiment of the light-sliding zipper 100a is adopted;

[0034] Figure 10 yes Figure 9 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0035] Figure 11 2 is a schematic diagram of the exploded structure of the light-sliding zipper 100c according to the fourth embodiment. DETAILED DESCRIPTION

[0036] The structure of the light-sliding zipper and clothing products using the light-sliding zipper to which the technical solution of the present invention is applied will be further described below with reference to the accompanying drawings.

[0037] like Figure 1 The invention discloses a novel light-sliding zipper 100, comprising a chain belt and chain elements, wherein the chain elements are arranged on the chain belt and spaced apart in the axial direction. The chain belt adopts a three-piece structure, comprising a first chain belt 1, a second chain belt 2, and an intermediate connecting chain belt 3. The intermediate connecting chain belt 3 is in the form of a belt, and is a cloth belt having a certain width, such as 10 cm or 15 cm. A space 6 is provided between the first chain belt 1 and the second chain belt 2, and the intermediate connecting chain belt 3 is provided in the space 6. The chain elements comprise a first set chain element group and a second set chain element group, wherein the first set chain element group is arranged between the first chain belt 1 and the intermediate connecting chain belt 3, and the second set chain element group is arranged between the second chain belt 2 and the intermediate connecting chain belt 3; the first set chain element group and the second set chain element group respectively comprise male chain elements (31, 32) and female chain elements (10, 20) that can be used in a sleeved manner. The male link teeth (31, 32) are respectively arranged on the left and right sides of the intermediate connecting link 3 in the transverse direction, the female link teeth 10 are arranged on the inner side of the first link 1, and the female link teeth 20 are arranged on the inner side of the second link 2. In other embodiments, the male link teeth (31, 32) and the female link teeth (10, 20) can also be interchanged, that is, the male link teeth (31, 32) are respectively arranged on the inner sides of the first link 1 and the second link 2, and the female link teeth (10, 20) are respectively arranged on the left and right sides in the transverse direction of the intermediate connecting link 3. In order to strengthen the strength of the axial left and right ends of the intermediate connecting link 3, a left end guide head 34 and a right end guide head 35 are respectively provided on the axial left and right ends of the intermediate connecting link 3. A pair of guide posts (341, 342) are provided on the left end guide head 34.

[0038] like Figure 2 and Figure 3As shown, the first set of fastener teeth has a similar structure to the second set of fastener teeth. The structure of the first set of fastener teeth is used as an example for description below. The head of the female fastener teeth 10 is open-ring-shaped, thus having a female fastener tooth groove 101 and a female fastener tooth notch 102. The female fastener tooth grooves 101 of several female fastener teeth 10 arranged in a front-to-back manner are combined to form an axially extending storage groove channel; the male fastener teeth 31 are provided with male fastener tooth heads 310 that can be accommodated in the female fastener tooth grooves 101. The height H3 of the male fastener tooth head 310 is greater than the height H1 of the female fastener tooth notch 102 and less than the height H2 of the female fastener tooth groove 101. This creates a certain amount of free space between the male element 310 and the female element slot 101, reducing friction between the male element 310 and the female element slot 101. When the male element 310 of several spaced-apart male elements is inserted into the female element slot 101 and the intermediate linking link 3 is moved axially, the male element 310 can easily slide from one female element slot 101 to another, thereby enabling axial sliding within the receiving channel. However, the male element 310 inserted into the female element slot 101 cannot move laterally through the female element slot 102 to disengage from the female element 10. The male element 31 and the female element 10 utilize a slip-through mechanism, allowing them to slip together without the need for a slider to engage. This eliminates the need for a slider, thus preventing resistance during zipper movement that could affect the zipper's smoothness. As can be seen, the light-slip slip-on structure between the first link 1 and the intermediate connecting link 3, and between the second link 2 and the intermediate connecting link 3, makes the intermediate connecting link 3 particularly easy to slide, providing a very good slip-on feeling. The light-slip zipper 100 completely subverts the structure and slip-on method of traditional zippers, providing users with a better application experience. Furthermore, to facilitate the insertion of the male chain tooth head 310 into the female chain tooth groove 101, the male chain tooth head 310 is provided with inclined guide surfaces (311, 312) at both axial ends.

[0039] like Figure 1 and Figure 2 As shown, the male link elements (31, 32) arranged on the left and right sides of the intermediate connecting link 3 in the transverse direction are not integrally formed but are arranged at intervals in the transverse direction. In this way, the intermediate connecting link 3 can be exposed between the male link elements (31, 32) on the left and right sides of the intermediate connecting link 3 in the transverse direction, and the intermediate connecting link 3 can provide an optimal layout space for configuring decorative elements such as text or pattern layers. When the text or pattern layer is provided on the intermediate connecting link 3, the intermediate connecting link 3 becomes a sliding decorative belt arranged between the first link 1 and the second link 2, thereby enriching the appearance of the zipper.

[0040] The intermediate connecting link 3 is also provided with an operating handle 33 capable of pulling and moving the intermediate connecting link 3. The operating handle 33 can be a woven portion extending from each axial end of the intermediate connecting link 3, or a pull ring inserted through each axial end of the intermediate connecting link 3. In this embodiment, the operating handle 33 is located at the left end of the intermediate connecting link 3 and is arranged between the axial ends of the first link 1 and the second link 2. The operating handle 33 is a plastic handle 33 directly injection-molded onto the intermediate connecting link 3 and arranged upright and perpendicular to the intermediate connecting link 3.

[0041] like Figure 1 and Figure 4As shown, in order to prevent the light-sliding zipper 100 from being accidentally disengaged in the closed state, a connection stopper 5 is provided at the axial left end position of the first chain belt 1 and the second chain belt 2. The connection stopper 5 is a connecting seat 5 that spans and connects between the first chain belt 1 and the second chain belt 2. An elastic clamping opening 52 is provided on the top of the connecting seat 5. A transverse channel 53 is provided at the approximately middle position in the thickness direction of the connecting seat 5 to adapt to the left end guide head 34 of the middle connecting chain belt 3. The two ends of the transverse channel 53 are provided with plug-in holes (531, 532) that adapt to the guide columns (341, 342). An elastic arm 331 that can be buckled into the elastic clamping opening 52 is provided on the operating handle 33. When the axial left end of the intermediate connecting link 3 moves to the connecting seat 5, the left end guide head 34 partially extends into the transverse channel 53, and the guide columns (341, 342) also partially extend into the plug holes (531, 532), allowing the elastic arm 331 to be coupled to the elastic clamping opening 52 of the connecting seat 5, thereby stopping and positioning the intermediate connecting link 3. In this way, the intermediate connecting link 3 can be prevented from sliding freely and opening the zipper. However, when an appropriate force is applied to pull the intermediate connecting link 3, the elastic arm 331 can be disengaged from the elastic clamping opening 52, thereby allowing the intermediate connecting link 3 to return to a free state where it can slide easily between the first link 1 and the second link 2. The operating handle 33 becomes a stop fitter provided on the intermediate connecting link 3, which can simplify the structure of the light-sliding zipper and more easily apply a force to the elastic arm 331, thereby allowing it to be buckled into and out of the elastic clamping opening 52. Of course, it is also feasible to set other components different from the operating handle on the intermediate connecting link 3 as a stop fit device. For example, the matching dimensions between the plug holes (531, 532) and the guide posts (341, 342) can be appropriately adjusted to form an interference fit structure between them. In this way, a pair of guide posts (341, 342) can be respectively stuck in a pair of plug holes (531, 532) to stop and position the intermediate connecting link 3. In this case, the pair of guide posts (341, 342) become the stop fit devices set on the intermediate connecting link 3, and the setting of the elastic arm 331 and the elastic clamping mouth 52 can be omitted. Furthermore, the setting of the connecting seat 5 can be omitted, and a stop block can be set at the left end of each of the first link 1 and the second link 2, so that the plug holes (531, 532) are respectively set on the pair of stop blocks.

[0042] like Figure 1 and Figure 5As shown, to prevent the intermediate connecting link 3 from completely detaching from the first link 1 and the second link 2, an anti-detachment device 4 is provided at the axially right end of the first link 1 and the second link 2. The anti-detachment device 4 includes an upper connecting bridge 41 and a lower connecting bridge 42, which are disposed vertically. A pair of legs of the upper connecting bridge 41 and the lower connecting bridge 42 are connected to the first link 1 and the second link 2, respectively. A sliding channel 40 is provided between the upper connecting bridge 41 and the lower connecting bridge 42. The intermediate connecting link 3 can pass through the sliding channel 40, while the operating handle 33 is higher than the upper connecting bridge 41 and cannot pass through the sliding channel 40, thereby preventing the intermediate connecting link 3 from completely detaching from the first link 1 and the second link 2. The operating handle 33 serves as an anti-detachment device. In order to achieve the above-mentioned anti-slip effect, in another embodiment, a pair of operating handles 33 can be provided on the intermediate connecting chain 3, and the pair of operating handles 33 are placed on both sides of the anti-slip device 4. The intermediate connecting chain 3 can pass through the sliding channel 40, while the operating handles 33 cannot pass through the sliding channel 40. Alternatively, the operating handles 33 are not used as anti-slip fittings, and other structures are provided as anti-slip fittings. For example (the following scheme is relatively simple, and the relevant views are omitted), the anti-slip device is provided as a cantilever connected to the first chain 1 or the second chain 2, and the free end of the cantilever extends toward the spacing space 6. The anti-slip fitting is a raised stopper extending upwardly and roughly perpendicular to the intermediate connecting chain 3, and the raised stopper is higher than the cantilever. In this way, the intermediate connecting chain 3 can pass through the cantilever, while the cantilever cannot pass through the cantilever.

[0043] The above-mentioned light-slip zipper 100 limits the sliding travel of the intermediate connecting belt 3 through the anti-slip device 4, the connecting stopper 5 and the operating handle 33. The intermediate connecting belt 3 can not only slide relative to the first and second chain belts 1 and 2 in the space 6 between the first and second chain belts 1 and 2, but can also partially slide away from the space 6. The light-slip zipper 100 can be used to open or close the opening of the fabric 70, such as the bag. For example, Figure 6 Shown is a garment 7 employing the light-slide zipper 100. The garment 7 is provided with a pocket 70, which is provided with a first fabric edge 71 and a second fabric edge 72. The first link 1 of the light-slide zipper 100 is sewn to the first fabric edge 71, and the second link 2 is sewn to the second fabric edge 72. The presence of the intermediate link 3 allows for a suitable spacing W between the first and second links 1, 2. A larger spacing W makes it easier to store and retrieve items. Adjusting the width of the intermediate link 3 adjusts the spacing W.

[0044] The present invention also proposes a second embodiment of the light-sliding zipper. Figure 7 and Figure 7A The mark in the middle is a light-sliding zipper 100a. The structure of the light-sliding zipper 100a is similar to that of the light-sliding zipper 100, and two major differences are discussed below. First, the configuration positions of the male and female chain elements are different. Female chain elements (31a, 32a) are respectively provided on the axial left and right sides of the intermediate connecting link 3a, and male chain elements (10a, 20a) that can be used in conjunction with the female chain elements (31a, 32a) are respectively provided on the inner sides of the first link 1a and the second link 2a. The structure of the male chain elements (10a, 20a) is similar to that of the male chain elements 31 in the light-sliding zipper 100, and the structure of the female chain elements (31a, 32a) is similar to that of the female chain elements 10 in the light-sliding zipper 100, and will not be repeated here. Second, the structure of the travel limiter that limits the intermediate connecting link 3a is different. The axial length L1 of the first and second link belts 1a, 2a is greater than the axial length L2 of the intermediate link belt 3a. Limiters (14a, 24a, 15a, 25a) are provided at both axial ends of the first and second link belts 1a, 2a, respectively, to limit the sliding travel of the intermediate link belt 3a. The height of the limiters (14a, 24a, 15a, 25a) is greater than the height of the female link grooves of the female link elements (31a, 32a). In this way, the intermediate link belt 3a can only slide between the limiters (14a, 24a, 15a, 25a) and cannot separate from the first and second link belts 1a, 2a. Of course, in other embodiments, it is also feasible to provide the limiters (14a, 24a or 15a, 25a) only at the axial ends of the first or second link belt 1a, 2a.

[0045] The light-slide zipper 100a can be used to connect two independent fabrics. Figure 8Shown is a garment 7a employing the light-slide zipper 100a. The garment 7a comprises two separate fabrics: a garment body 702a and a cap 701a. The cap 701a has a first fabric edge 71a, while the garment body 702a has a second fabric edge 72a. The first chain 1a is sewn to the first fabric edge 71a, and the second chain 2a is sewn to the second fabric edge 72a. This allows the user wearing the cap 701a to easily slide the cap 701a relative to the garment body 702a while turning their head, preventing the cap 701a from obstructing their view. In addition, the light-sliding zipper 100a has a double-layer light-sliding sleeve structure. When the first chain belt 1a and the intermediate connecting chain belt 3a are stuck during relative sliding, it does not significantly affect the relative sliding between the second chain belt 2a and the intermediate connecting chain belt 3a, thereby greatly alleviating the sticking problem that occurs during the sliding process and providing a smoother feel.

[0046] The present invention also proposes a third embodiment of the light-sliding zipper. Figure 9 and Figure 10 The mark in the middle is a light-slip zipper 100b. The structure of the light-slip zipper 100b is similar to that of the above-mentioned light-slip zipper 100a, with the main difference being the structure of the chain elements arranged on the intermediate connecting link 3b. The chain elements arranged on the left and right sides of the intermediate connecting link 3b in the transverse direction are integrally formed to form an intermediate fused chain element body 30b, and the front and rear intermediate fused chain element bodies 30b are spaced apart in the axial direction. The intermediate fused chain element body 30b includes open ring-shaped female chain element heads (310b, 320b) arranged on the left and right sides in the transverse direction and a mother chain body 330b that connects the female chain element heads (310b, 320b) into one body. The intermediate connecting link 3b is inserted into the middle position of the mother chain body 330b. In this way, in the transverse direction, the intermediate fused chain element body 30b has a certain transverse extension length and covers the intermediate connecting link 3b. In the axial direction, the intermediate connecting link 3b is exposed between two adjacent intermediate fused link elements 30b. The intermediate fused link element 30b has a relatively large lateral width, which can provide layout space for text or pattern layers. The structure of the female link element heads (310b, 320b) is similar to the head structure of the female link element 10 in the above-mentioned light-slide zipper 100, and will not be repeated here. Based on this solution, the structure of the intermediate connecting link can be further improved, for example Figure 11 The intermediate connecting link 3c in the light-sliding zipper 100c shown in the drawing is a rope-shaped cloth strip, rubber strip or metal wire.

Claims

1. A light-sliding zipper comprising a chain belt and chain elements, wherein the chain elements are arranged on the chain belt and spaced apart in an axial direction; characterized in that: The chain belt includes a first chain belt, a second chain belt and an intermediate connecting chain belt, and there is a spacing space between the first chain belt and the second chain belt, and the intermediate connecting chain belt is arranged in the spacing space; the chain teeth include a first set of chain tooth groups and a second set of chain tooth groups, the first set of chain tooth groups are arranged between the first chain belt and the intermediate connecting chain belt, and the second set of chain tooth groups are arranged between the second chain belt and the intermediate connecting chain belt; the first set of chain tooth groups and the second set of chain tooth groups respectively include male chain teeth and female chain teeth that can be used in conjunction with each other; the The head of the female chain tooth is in the shape of an open ring, so as to have a female chain tooth groove and a female chain tooth notch opening, and the female chain tooth grooves of several female chain teeth arranged at intervals in front and behind are combined into an axially extending receiving groove channel; the male chain tooth is provided with a male chain tooth head which can be accommodated in the female chain tooth groove, the height of the male chain tooth head is greater than the height of the female chain tooth notch opening and less than the height of the female chain tooth groove, and the male chain tooth heads of several male chain teeth arranged at intervals in front and behind are inserted into the female chain tooth groove, and when the intermediate connecting chain belt moves axially, the male chain tooth heads can slide axially in the receiving groove channel; The male chain tooth head is provided with inclined guiding surfaces at both axial ends thereof; An anti-slip device is provided at the other end position on the same side of the first link and the second link, and an anti-slip fitter is provided on the intermediate connecting link. The anti-slip fitter is arranged between the axial ends of the first link and the second link. The intermediate connecting link can pass through the anti-slip device but the anti-slip fitter cannot pass through the anti-slip device, thereby preventing the intermediate connecting link from completely separating from the first link and the second link.

2. The light-sliding zipper according to claim 1, characterized in that: The intermediate connecting chain is in the shape of a belt or a rope.

3. The light-sliding zipper according to claim 1, characterized in that: The chain elements arranged on the left and right sides of the intermediate connecting chain belt in the transverse direction are integrally formed to form an intermediate fused chain element body, and the front and rear intermediate fused chain element bodies are spaced apart in the axial direction.

4. The light-sliding zipper according to claim 1, characterized in that: The link elements arranged on the left and right sides of the intermediate linking link in the transverse direction are not integrally formed but are arranged at intervals in the transverse direction.

5. The light-sliding zipper according to claim 4, characterized in that: The middle connecting link is provided with a text or pattern layer.

6. The light-sliding zipper according to any one of claims 1 to 5, characterized in that: The middle connecting chain belt is provided with an operating handle capable of pulling the middle connecting chain belt to move.

7. The light-sliding zipper according to any one of claims 1 to 5, characterized in that: A connection stopper is provided at one of the end positions on the same side of the first link and the second link, and the connection stopper is a connecting seat that spans and connects between the first link and the second link, and an elastic clamp is provided on the top of the connecting seat. The connecting seat is also provided with a transverse channel, and a stop fitter is provided on the corresponding end of the intermediate connection link, and the stop fitter is an elastic arm provided on the operating handle. When the corresponding end of the intermediate connection link moves to the connection stopper, the elastic arm is combined with the elastic clamp of the connecting seat to stop and position the intermediate connection link.

8. The light-sliding zipper according to any one of claims 1 to 5, characterized in that: The axial lengths of the first and second link belts are greater than the axial length of the intermediate link belt, and limiters for limiting the sliding stroke of the intermediate link belt are respectively provided at both axial ends of the first or second link belt.

9. A product using the light-sliding slide fastener according to any one of claims 1 to 8, characterized in that: The product is provided with a first fabric edge and a second fabric edge, the first chain belt of the light-sliding zipper is sewn on the first fabric edge, and the second chain belt is sewn on the second fabric edge.

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