Rigid-flexible combined magnetic attraction stop structure and zipper thereof

Abstract

The utility model discloses a rigid-flexible combined magnetic attraction stop structure and a zipper thereof, which belong to the technical field of zippers and comprise a bolt and a bolt seat which are matched with each other in a magnetic attraction mode. The bolt is fixed at the rear end of the first zipper belt, and the bolt seat is fixed at the rear end of the second zipper belt; the opposite side edges of the two zipper belts are respectively provided with a flexible zipper tooth part; the flexible zipper tooth part comprises a plurality of flexible tooth bodies which are continuously arranged; transition rigid zipper tooth parts are arranged between the flexible zipper tooth parts and the rigid magnetic attraction lower stoppers and on the opposite side edges of the two zipper belts respectively. The extension length of the flexible zipper tooth part is greater than that of the rigid zipper tooth part; the transitional rigid zipper tooth part is arranged between the flexible zipper tooth part and the rigid magnetic attraction lower stopper, so that direct rigid-flexible staggering between the flexible zipper tooth part and the rigid magnetic attraction lower stopper is effectively avoided, abrasion and damage caused by material difference and uneven stress are reduced, the overall flexibility of the zipper is optimized, and the wearing comfort of a user is guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of zipper technology, specifically relating to a magnetic attraction stop structure that combines rigidity and flexibility and the zipper thereof. Background Technology

[0002] Zippers, as an indispensable accessory in clothing, are increasingly widely used in various garments due to their convenience and practicality. The opening and closing of a zipper typically requires the interaction of a bottom pin and a slot. However, this traditional pin-operated method often requires both hands, which is inconvenient for modern life that prioritizes convenience. Especially in situations requiring quick dressing and undressing, the traditional zipper design undoubtedly increases the complexity of operation.

[0003] To address this deficiency, Chinese patent document CN221864905U proposes an innovative bottom stop component, zipper, and garment. The garment includes a zipper, which incorporates a bottom stop component cleverly divided into a first bottom stop structure and a second bottom stop structure. The first bottom stop structure includes a first bottom stop member, an insert member, a first limiting member, and a first magnet, while the second bottom stop structure includes a second bottom stop member, a second limiting member, and a second magnet. A slot is provided on one side of the second bottom stop member, and a portion of the second limiting member is disposed within the slot. The insert member and the first limiting member are sequentially distributed on the side of the first bottom stop member facing the second bottom stop member. The insert member can be inserted into the slot and slide along it, allowing the first limiting member to hook onto the second limiting member. Simultaneously, the first and second magnets achieve magnetic attraction and fixation when the insert member is inserted into the slot. This design replaces the traditional pin engagement with magnetic attraction, greatly simplifying the zipper's opening and closing operation, making one-handed operation possible, and bringing significant convenience to the user. However, despite the breakthrough in convenience achieved by this magnetic bottom stop design, the bottom stop portion still uses a rigid material and is typically paired with either fully flexible teeth (such as those made of nylon monofilament) or fully rigid teeth (such as plastic or metal teeth). If paired with fully flexible teeth, while the zipper offers better flexibility, the connection between the rigid magnetic bottom stop and the flexible teeth is prone to damage during use due to the alternating rigidity and flexibility. Conversely, if paired with fully rigid teeth, while the overall strength of the zipper is improved, its flexibility is significantly reduced, affecting wearing comfort.

[0004] Therefore, balancing the convenience of zippers with their durability and flexibility has become a pressing issue. Existing magnetic bottom-stop zippers still fall short in achieving a proper balance between rigidity and flexibility. Therefore, there is an urgent need to provide a magnetic stop structure and zipper that combines rigidity and flexibility to address the problems in existing technologies and meet users' comprehensive needs for convenience, durability, and flexibility in zippers. Summary of the Invention

[0005] In response to the problems in related technologies, this utility model proposes a rigid-flexible magnetic stop structure and its zipper to solve the technical problems of insufficient balance between rigidity and flexibility and poor durability of existing magnetic bottom stops.

[0006] The technical solution of this utility model is implemented as follows: a rigid-flexible magnetic stop structure, including a rigid magnetic stop; the rigid magnetic stop includes a pin and a pin seat that magnetically engage with each other; wherein, the pin is fixed to the rear end of a first chain, and the pin seat is fixed to the rear end of a second chain; the two chains extend in the front-rear direction and face each other left and right; it also includes a pull head, which moves back and forth along the extension direction of the chains to pull or separate the two chains;

[0007] Each of the two opposing side edges of the chain belts is provided with a flexible chain tooth portion; the flexible chain tooth portion includes a plurality of continuously arranged flexible teeth; the flexible teeth of the first chain belt and the flexible teeth of the second chain belt engage or separate with each other;

[0008] Between the flexible chain teeth and the rigid magnetic stop, each of the two opposing side edges of the chain belts is provided with a transitional rigid chain teeth; the rigid chain teeth on each chain belt are adjacent to the flexible chain teeth and the rigid magnetic stop on the same side chain belt, and each has a gap; the extension length of the flexible chain teeth is greater than the extension length of the rigid chain teeth; the rigid chain teeth include at least one rigid tooth body; the rigid tooth body of the first chain belt and the rigid tooth body of the second chain belt engage or disengage with each other.

[0009] This invention effectively avoids direct rigid-flexible interlocking between the flexible zipper teeth and the rigid magnetic stop by setting a transitional rigid zipper teeth between them, reducing wear and damage caused by material differences and uneven stress. In addition, the extension length of the flexible zipper teeth is greater than that of the rigid zipper teeth, which optimizes the overall flexibility of the zipper and ensures the user's wearing comfort.

[0010] As a further improvement to the above solution, the pin or pin seat has a connecting tooth fixed at its end near the rigid chain tooth on the same side. This connecting tooth engages or disengages with the rigid tooth on the opposite chain belt that is closest to the rigid magnetic stop. The connecting tooth ensures a smooth transition between the rigid magnetic stop and the rigid chain tooth. As an intermediary, the connecting tooth reduces sudden changes in force, thereby enhancing the overall stability and durability of the structure.

[0011] As a further improvement to the above solution, the connecting tooth is located on the pin and includes adjacent tooth peaks and tooth grooves; the tooth peaks and tooth grooves are adapted to the rigid tooth closest to the pin seat on the second chain. Through the meshing of the tooth peaks and tooth grooves of the connecting tooth, the force that might have been concentrated at the rigid magnetic stop is distributed to a wider area of ​​the rigid chain teeth, reducing the possibility of excessive force at a single point. Simultaneously, the design of the connecting tooth makes the opening and closing operation of the chain smoother. During meshing, the connecting tooth first contacts the rigid tooth on the opposite side, providing stable guidance for the complete meshing of the subsequent chain teeth, which not only improves the reliability of the operation but also reduces structural damage caused by improper operation.

[0012] As a further improvement to the above solution, the rigid tooth body is provided with a root portion and a head portion; the root portion is used for fixed connection with the chain belt; the head portion extends from the root portion toward the opposite chain belt and is adapted to the head portion of the rigid tooth body on the opposite chain belt; wherein, the thickness of the head portion is less than the thickness of the root portion.

[0013] The fixed connection between the tooth root and the chain ensures structural stability, while the extended design of the tooth head allows for precise adaptation to the rigid tooth on the opposite chain. This enables the rigid tooth to maintain structural strength while more flexibly adapting to the chain's flexibility, achieving a smooth transition between rigidity and flexibility and reducing stress concentration issues caused by direct rigid-flexible interlocking. Furthermore, the tooth head's thickness being less than that of the tooth root allows for easier engagement of the tooth head into the meshing groove of the rigid tooth on the opposite chain during meshing. This design not only reduces meshing resistance and improves meshing efficiency but also helps maintain meshing stability, reducing the risk of chain loosening or detachment due to poor meshing.

[0014] As a further improvement to the above solution, the pin includes a first mounting part and a pin part; the pin is fixedly connected to the first chain belt through the first mounting part; the front end of the first mounting part is close to the rigid chain tooth part, the rear end of the first mounting part is provided with the pin part, and the pin part is provided with a protruding hook arm;

[0015] The pin holder includes a second mounting part and a slot part; the pin holder is fixedly connected to the second chain belt through the second mounting part; the front end of the second mounting part is close to the rigid chain tooth part, and the rear end of the second mounting part is provided with the slot part, which has a recessed groove for cooperating with the hook arm.

[0016] It should be noted that the hook arm design of the pin part is prominent, which facilitates quick and accurate connection with the slot of the pin holder, simplifying the engagement of the pin and the pin holder. At the same time, the engagement between the hook arm and the slot has self-locking properties, making it difficult for the chain to separate on its own after connection, thus enhancing the convenience and safety of use.

[0017] As a further improvement to the above solution, the pin portion is provided with a first magnetic attraction component, and the slot portion is provided with a second magnetic attraction component; when the hook arm is connected to the slot, the first magnetic attraction component and the second magnetic attraction component magnetically attract each other.

[0018] As a further improvement to the above solution, the second mounting portion of the pin holder protrudes to the opposite side, and a guide groove is provided on the protruding edge; the first mounting portion of the pin is correspondingly recessed, and the recessed edge forms a guide key, which engages with the guide groove. The engagement of the guide key and the guide groove allows the pin and pin holder to be quickly positioned during assembly, avoiding poor fit due to misalignment and improving the convenience of magnetic stop engagement.

[0019] As a further improvement to the above solution, when the pin and the pin seat magnetically engage to form the rigid magnetic lower stop, the front width of the rigid magnetic lower stop is equal to or similar to the rear width. The rigid magnetic lower stop has a consistent width in the front-to-back direction, avoiding structural redundancy or gaps caused by width variations, making the chain more compact and reducing unnecessary material waste. Furthermore, the consistent width of the rigid magnetic lower stop provides a more unified and harmonious visual appearance, enhancing the product's aesthetics. The consistent width also helps ensure the stability and balance of the magnetic engagement.

[0020] As a further improvement to the above solution, the pin and the rigid tooth on the same side, and the pin seat and the rigid tooth on the same side, are all injection molded together; or, they are all injection molded separately.

[0021] As a further improvement to the above solution, the flexible tooth is a nylon chain tooth; the rigid tooth is a plastic chain tooth or a metal chain tooth.

[0022] A zipper includes a rigid-flexible magnetic stop structure as described above. By setting a transitional rigid tooth between the flexible zipper tooth and the rigid magnetic stop, direct rigid-flexible interlocking between the two is effectively avoided, reducing wear and damage caused by material differences and uneven stress. In addition, the extension length of the flexible zipper tooth is configured to be greater than the extension length of the rigid zipper tooth, optimizing the overall flexibility of the zipper and ensuring user comfort.

[0023] Beneficial effects:

[0024] (1) Enhanced structural durability: By setting a transitional rigid chain tooth between the flexible chain tooth and the rigid magnetic stop, the direct rigid-flexible interlacing between the two is effectively avoided, reducing wear and damage caused by material differences and uneven stress. Furthermore, the rigid chain tooth is adjacent to the gap between the flexible chain tooth and the rigid magnetic stop, serving as a transition and distributing the force from the pull head or external load more evenly. This prevents the flexible chain tooth from deforming or being damaged due to excessive pressure, thereby significantly enhancing the durability of the entire magnetic stop structure.

[0025] (2) Optimize the overall flexibility of the zipper: A local rigid tooth is set between the flexible tooth and the rigid magnetic stop as a transition. The extension length of the flexible tooth is configured to be greater than the extension length of the rigid tooth, thereby optimizing the overall flexibility of the zipper and ensuring the user's wearing comfort. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the zipper of this utility model;

[0027] Figure 2 for Figure 1 A magnified view of a portion at point a;

[0028] Figure 3 This is an exploded view of the magnetic attraction stop structure of this utility model;

[0029] Figure 4 This is a schematic diagram of the connection between the first chain and the pin of this utility model;

[0030] Figure 5 for Figure 4 A magnified view of part b;

[0031] Figure 6 This is a schematic diagram showing the connection between the second chain and the pin seat of this utility model;

[0032] Figure 7 for Figure 6 A magnified view of a portion at point c.

[0033] Figure label:

[0034] L1, zipper; C1, magnetic stop structure;

[0035] 1. Rigid magnetic attraction at the bottom;

[0036] 11. Pin; 111. First mounting part; 112. Pin part; 1121. Hook arm; 113. First magnetic component; 114. Guide key;

[0037] 12. Pin socket; 121. Second mounting part; 122. Slot part; 1221. Slot; 123. Second magnetic component; 124. Guide slot;

[0038] 21. First chain belt; 22. Second chain belt; J1. Gap;

[0039] 3. Pull tab;

[0040] 4. Flexible chain teeth; 41. Flexible tooth body;

[0041] 5. Rigid chain tooth section; 51. Rigid tooth body; 511. Tooth root; 512. Tooth head;

[0042] 6. Connecting tooth body; 61. Tooth peak; 62. Tooth alveolar ridge;

[0043] L1 is the front width of the rigid magnetic lower stop; L2 is the rear width of the rigid magnetic lower stop. Detailed Implementation

[0044] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0045] like Figures 1-7 As shown, a zipper includes a rigid-flexible magnetic stop structure; specifically, the magnetic stop structure includes a rigid magnetic lower stop 1; the rigid magnetic lower stop 1 includes a pin 11 and a pin seat 12 that magnetically engage with each other; wherein, the pin 11 is fixed to the rear end of a first chain 21, and the pin seat 12 is fixed to the rear end of a second chain 22; the two chain 21s extend in a front-back direction and face each other left and right; it also includes a zipper pull 3, which moves back and forth along the extension direction of the chain 21s to pull or separate the two chain 21s.

[0046] Each of the two opposing side edges of the chain belts is provided with a flexible chain tooth portion 4; the flexible chain tooth portion 4 includes a plurality of continuously arranged flexible teeth 41; the flexible teeth 41 of the first chain belt 21 and the flexible teeth 41 of the second chain belt 22 engage or separate from each other; in this embodiment, the flexible teeth 41 are nylon chain teeth.

[0047] Between the flexible chain tooth 4 and the rigid magnetic stop 1, each of the two opposing side edges of the chain belts is provided with a transitional rigid chain tooth 5. The rigid chain tooth 5 on each chain belt is adjacent to the flexible chain tooth 4 and the rigid magnetic stop 1 on the same side of the chain belt, and each has a gap J1. The extension length of the flexible chain tooth 4 is greater than the extension length of the rigid chain tooth 5. The rigid chain tooth 5 includes at least one rigid tooth body 51. The rigid tooth body 51 is a plastic chain tooth or a metal chain tooth. In this embodiment, the rigid tooth body is preferably made of plastic. Furthermore, the pin and the rigid tooth body on the same side, and the pin seat and the rigid tooth body on the same side, are preferably injection molded together. Taking the pin side as an example, the pin and the rigid tooth body on the same side have a gap. Joint injection molding allows the pin and the rigid tooth body to be manufactured simultaneously in one process, ensuring the gap distance between them. It also enables automated production, thereby greatly shortening the production cycle and ensuring the quality of the finished zipper.

[0048] In other embodiments, the pin and the rigid tooth on the same side, and the pin seat and the rigid tooth on the same side, can also be injection molded separately. Again, taking the pin side as an example, using separate injection molding for the pin and the rigid tooth on the same side provides greater design freedom. Separate molding allows the use of different materials to manufacture the pin and chain teeth to meet specific performance requirements. For example, the pin may require higher strength and wear resistance, while the chain teeth may require better flexibility and corrosion resistance.

[0049] In this embodiment, the rigid chain tooth section 5 has only one rigid tooth body 51. This rigid tooth body 51 is adjacent to the flexible chain tooth section 4 and the rigid magnetic stop 1 on the same side of the chain, with a gap J1 between them. This gap J1 allows for a smooth transition, preventing the flexible chain tooth section 4 from deforming or being damaged due to excessive pressure. In other embodiments, the rigid chain tooth section 5 may also have multiple rigid tooth bodies 51, with the same gap J1 between adjacent rigid tooth bodies 51 to achieve a smooth transition between rigid and flexible parts. The rigid tooth bodies 51 of the first chain belt 21 and the rigid tooth bodies 51 of the second chain belt 22 engage or disengage with each other.

[0050] In this embodiment, a connecting tooth 6 is fixedly provided at the end of the pin 11 or pin seat 12 near the rigid chain tooth 5 on the same side. The connecting tooth 6 is used to engage or disengage with the rigid tooth 51 on the opposite chain belt that is closest to the rigid magnetic stop 1. The provision of the connecting tooth 6 realizes a smooth transition between the rigid magnetic stop 1 and the rigid chain tooth 5. As an intermediary, the connecting tooth 6 reduces sudden changes in force, thereby enhancing the overall stability and durability of the structure. Specifically, the connecting tooth 6 is provided on the pin 11 and includes adjacent tooth peaks 61 and tooth grooves 62; the tooth peaks 61 and tooth grooves 62 are adapted to the rigid tooth 51 on the second chain belt 22 that is closest to the pin seat 12. By connecting the tooth peak 61 and tooth groove 62 of the connecting tooth body 6, the force that might have been concentrated on the rigid magnetic stop 1 is distributed to a wider area of ​​the rigid chain tooth 5, reducing the possibility of excessive force at a single point. At the same time, the design of the connecting tooth body 6 makes the opening and closing operation of the chain belt smoother. During the meshing process, the connecting tooth body 6 first contacts the rigid tooth body 51 on the opposite side, providing a stable guide for the complete meshing of the subsequent chain teeth. This not only improves the reliability of the operation, but also reduces structural damage caused by improper operation.

[0051] In this embodiment, the rigid tooth body 51 is provided with a root portion 511 and a head portion 512; the root portion 511 is used for fixed connection with the chain belt; the head portion 512 extends from the root portion 511 toward the opposite chain belt and is adapted to the head portion 512 of the rigid tooth body 51 on the opposite chain belt; wherein, the thickness of the head portion 512 is less than the thickness of the root portion 511.

[0052] The fixed connection between the tooth root 511 and the chain ensures structural stability, while the extended design of the tooth head 512 achieves precise adaptation to the rigid tooth body 51 on the opposite side of the chain. This allows the rigid tooth body 51 to maintain structural strength while more flexibly adapting to the flexible changes of the chain, achieving a smooth transition between rigidity and flexibility and reducing stress concentration problems caused by direct rigid-flexible intersection. Furthermore, the design of the tooth head 512 being thinner than the tooth root 511 allows the tooth head 512 to more easily enter the meshing groove of the rigid tooth body 51 on the opposite side of the chain during engagement. This design not only reduces meshing resistance and improves meshing efficiency but also helps maintain meshing stability, reducing the risk of chain loosening or detachment due to poor meshing.

[0053] In this embodiment, the pin 11 includes a first mounting part 111 and a pin part 112; the pin 11 is fixedly connected to the first chain belt 21 through the first mounting part 111; the front end of the first mounting part 111 is close to the rigid chain tooth part 5, and the rear end of the first mounting part 111 is provided with the pin part 112, and the pin part 112 is provided with a protruding hook arm 1121;

[0054] The pin holder 12 includes a second mounting portion 121 and a slot portion 122. The pin holder 12 is fixedly connected to the second chain 22 via the second mounting portion 121. The front end of the second mounting portion 121 is close to the rigid chain tooth portion 5, and the rear end of the second mounting portion 121 is provided with the slot portion 122. The slot portion 122 has a recessed groove 1221 for engaging with the hook arm 1121. It should be noted that the hook arm 1121 of the pin portion 112 is designed to protrude, facilitating quick and accurate engagement with the groove 1221 of the pin holder 12, simplifying the engagement of the pin 11 and the pin holder 12. At the same time, the engagement between the hook arm 1121 and the groove 1221 has self-locking properties, making it difficult for the chain to separate after connection, thus enhancing the convenience and safety of use.

[0055] In this embodiment, the pin portion 112 is provided with a first magnetic attractor 113, and the slot portion 122 is provided with a second magnetic attractor 123; when the hook arm 1121 is engaged with the slot 1221, the first magnetic attractor 113 and the second magnetic attractor 123 are magnetically attracted to each other. Specifically, the magnetic attractor can be a permanent magnet. Specifically, the pin portion 112 and the slot portion 122 are each provided with a corresponding receiving cavity for accommodating the first magnetic attractor 113 and the second magnetic attractor 123.

[0056] In this embodiment, the second mounting portion 121 of the pin holder 12 protrudes to the opposite side, and the protruding edge is provided with a guide groove 124; the first mounting portion 111 of the pin 11 is correspondingly recessed, and the recessed edge forms a guide key 114, which engages with the guide groove 124. The engagement of the guide key 114 and the guide groove 124 allows the pin 11 and the pin holder 12 to be quickly positioned during assembly, avoiding poor fit due to misalignment and improving the convenience of magnetic stop engagement.

[0057] In this embodiment, when the pin 11 and the pin seat 12 magnetically engage to form the rigid magnetic lower stop 1, the front width L1 and the rear width L2 of the rigid magnetic lower stop are equal or similar. The rigid magnetic lower stop 1 has a consistent width in the front-to-back direction, avoiding structural redundancy or gaps caused by width variations, making the chain more compact and reducing unnecessary material waste. Furthermore, the consistent width of the rigid magnetic lower stop 1 creates a more unified and harmonious visual appearance, enhancing the product's aesthetics. The consistent width also helps ensure the stability and balance of the magnetic engagement. Here, "similar" means that the difference in width between the two does not exceed 15%.

[0058] In specific applications, the above-described solution of this utility model effectively avoids direct rigid-flexible interleaving between the flexible chain tooth 4 and the rigid magnetic stop 1 by setting a transitional rigid chain tooth 5 between them, thus reducing wear and damage caused by material differences and uneven force. In addition, the extension length of the flexible chain tooth 4 is greater than the extension length of the rigid chain tooth 5, which optimizes the overall flexibility of the zipper and ensures the user's wearing comfort.

[0059] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A rigid-flexible magnetic stop structure, comprising a rigid magnetic lower stop; the rigid magnetic lower stop comprising a pin and a pin seat that magnetically engage with each other; wherein, The pin is fixed to the rear end of the first chain belt, and the pin seat is fixed to the rear end of the second chain belt; the two chain belts extend in a front-to-back direction and face each other left and right; it also includes a pull head, which moves back and forth along the extension direction of the chain belts to pull or separate the two chain belts; characterized in that: Each of the two opposing side edges of the chain belts is provided with a flexible chain tooth portion; the flexible chain tooth portion includes a plurality of continuously arranged flexible teeth; the flexible teeth of the first chain belt and the flexible teeth of the second chain belt engage or separate with each other; Between the flexible chain teeth and the rigid magnetic stop, each of the two opposing side edges of the chain belts is provided with a transitional rigid chain teeth; the rigid chain teeth on each chain belt are adjacent to the flexible chain teeth and the rigid magnetic stop on the same side chain belt, and each has a gap; the extension length of the flexible chain teeth is greater than the extension length of the rigid chain teeth; the rigid chain teeth include at least one rigid tooth body; the rigid tooth body of the first chain belt and the rigid tooth body of the second chain belt engage or disengage with each other.

2. The rigid-flexible magnetic attraction stop structure according to claim 1, characterized in that, The pin or pin seat has a connecting tooth body fixed at the end near the rigid chain tooth on the same side; the connecting tooth body is used to engage or disengage with the rigid tooth body on the opposite side chain that is closest to the lower stop of the rigid magnetic attraction.

3. The rigid-flexible magnetic attraction stop structure according to claim 2, characterized in that, The connecting tooth is disposed on the pin and includes adjacent tooth peaks and tooth grooves; the tooth peaks and tooth grooves are adapted to the rigid tooth on the second chain belt that is closest to the pin seat.

4. The rigid-flexible magnetic attraction stop structure according to claim 3, characterized in that, The rigid tooth body has a root portion and a head portion; the root portion is used for fixed connection with the chain belt; the head portion extends from the root portion toward the opposite chain belt and is adapted to the head portion of the rigid tooth body on the opposite chain belt; wherein, the thickness of the head portion is less than the thickness of the root portion.

5. The rigid-flexible magnetic attraction stop structure according to claim 1, characterized in that, The pin includes a first mounting part and a pin part; the pin is fixedly connected to the first chain belt through the first mounting part; the front end of the first mounting part is close to the rigid chain tooth part, and the rear end of the first mounting part is provided with the pin part, and the pin part is provided with a protruding hook arm; The pin holder includes a second mounting part and a slot part; the pin holder is fixedly connected to the second chain belt through the second mounting part; the front end of the second mounting part is close to the rigid chain tooth part, and the rear end of the second mounting part is provided with the slot part, which has a recessed groove for cooperating with the hook arm.

6. The rigid-flexible magnetic attraction stop structure according to claim 5, characterized in that, The pin portion is provided with a first magnetic attraction component, and the slot portion is provided with a second magnetic attraction component; when the hook arm is engaged with the slot, the first magnetic attraction component and the second magnetic attraction component are magnetically attracted to each other. The second mounting portion of the pin socket protrudes to the opposite side, and the protruding edge is provided with a guide groove; the first mounting portion of the pin is correspondingly recessed, and the recessed edge forms a guide key, which engages with the guide groove.

7. The rigid-flexible magnetic attraction stop structure according to claim 6, characterized in that, When the pin and the pin seat magnetically engage to form the rigid magnetic lower stop, the front width of the rigid magnetic lower stop is equal to or similar to the rear width of the rigid magnetic lower stop.

8. The rigid-flexible magnetic attraction stop structure according to claim 1, characterized in that, The flexible tooth is a nylon chain tooth; the rigid tooth is a plastic chain tooth or a metal chain tooth.

9. The rigid-flexible magnetic attraction stop structure according to claim 1, characterized in that, The pin and the rigid tooth on the same side, and the pin seat and the rigid tooth on the same side, are all injection molded together; or, they are all injection molded separately.

10. A zipper, characterized in that, Including a rigid-flexible magnetic stop structure as described in any one of claims 1-9.

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