A nylon zipper

Abstract

The utility model discloses a nylon zip fastener, including pull tab and zipper head body, be equipped with the lug on the zipper head body, be equipped with the axle hole on the lug, the pull tab includes the holding portion and the connecting portion, is equipped with two arm lever of the extension and the left and right symmetry arrangement of back to the holding portion on the connecting portion, two split and the coaxial line setting half axle are rotationally connected in the axle hole, two half axle are established between two arm lever, the outer end of half axle is connected on the inner side of arm lever, and the positioning protrusion close to half axle is also equipped on the inner side of at least one arm lever, the side of lug is equipped with the first positioning recess and the second positioning recess of matching positioning protrusion, the meeting place of arm lever and connecting portion is equipped with the collapse groove. This zip fastener has the characteristics of not swinging, long service life, and the whole function is perfect, and the practicality is strong.

Description

Technical Field

[0001] This utility model relates to the field of clothing accessories technology, and more specifically, it relates to a nylon zipper. Background Technology

[0002] Currently, most nylon zippers on the market use a shaft to connect the pull tab and the zipper head, allowing users to pull the zipper at different angles. However, the positioning design of the pull tab and zipper head in existing structures is relatively simple, often relying solely on the clearance between the shaft and the shaft hole to restrict the pull tab's movement. This causes the pull tab to swing freely when not in use due to slight external contact or the zipper's own movement. This not only makes it easy for the pull tab to snag on other parts of clothing, affecting usability, but also may accelerate the wear of the shaft and shaft hole during long-term swinging, shortening the zipper's lifespan, resulting in poor overall performance. Therefore, this utility model proposes a new type of nylon zipper. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a nylon zipper that does not wobble and has a long service life.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The nylon zipper involved in this utility model includes a pull tab and a zipper head body. The zipper head body is provided with a hanging ear, and the hanging ear is provided with a shaft hole. The pull tab includes a gripping part and a connecting part. The connecting part is provided with two arms extending away from the gripping part and arranged symmetrically from left to right. Two split half shafts arranged coaxially are rotatably connected in the shaft hole. The two half shafts are located between the two arms. The outer ends of the half shafts are connected to the inner side of the arms. At least one of the arms is also provided with a positioning protrusion near the half shaft on its inner side. The side of the hanging ear is provided with a first positioning groove and a second positioning groove that match the positioning protrusion.

[0005] The present invention is further provided with a crumple groove at the junction of the arm and the connecting part.

[0006] The present invention is further configured such that a slot for inserting the hanging ear is formed between the two arms, and the opening of the slot is flared.

[0007] The present invention is further configured such that: the first positioning groove is located on the front side of the shaft hole, and the second positioning groove is located on the rear side of the shaft hole.

[0008] The present invention is further configured such that the positioning protrusion is located between the half shaft and the collapse groove.

[0009] The present invention is further configured such that: the end of the half shaft has a chamfer; the positioning protrusion is spherical.

[0010] The present invention is further configured such that positioning protrusions are provided on the inner sides of both arms.

[0011] The present invention is further configured such that the pull tab is made of nylon material.

[0012] The present invention is further configured such that the zipper head body is made of nylon material.

[0013] In summary, this utility model has the following beneficial effects: 1. The pull tab can be precisely positioned to prevent it from swinging randomly when not in use, avoiding snagging on clothing and improving ease of use.

[0014] 2. Reduce friction and wear on components such as pull tabs and shafts, extending the service life of nylon zippers. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram illustrating the zipper head body of this utility model; Figure 2 This is a schematic diagram illustrating the structure of the pull tab of this utility model. Detailed Implementation

[0016] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of this utility model, and not for limiting the patent claims of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0017] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0018] Example 1 See Figure 1 and Figure 2As shown, this embodiment involves a nylon zipper, including a nylon pull tab 100 and a nylon zipper head body 200. The zipper head body 200 is provided with a hanging ear 201, and the hanging ear 201 is provided with a shaft hole 202. The pull tab 100 includes a gripping part 101 and a connecting part 102. The connecting part 102 is provided with two arms 103 extending away from the gripping part and arranged symmetrically from left to right. Two split half shafts 104 are rotatably connected in the shaft hole 202 and arranged on the same axis. The two half shafts 104 are located between the two arms 103. The outer ends of the half shafts 104 are connected to the inner side of the arms 103. The inner side of each of the two arms 103 is provided with a positioning protrusion 105 near the half shaft. The side of the hanging ear 201 is provided with a first positioning groove 203 and a second positioning groove 204 that match the positioning protrusion.

[0019] Furthermore, the first positioning groove 203 is located on the front side of the shaft hole 202, and the second positioning groove 204 is located on the rear side of the shaft hole 202.

[0020] In this embodiment, by prying open the two arm rods 103, the two half-shafts 104 can be arranged into the shaft holes 202, so that the pull tab 100 and the zipper head body 200 form a rotatable connection. When the positioning protrusion 105 is inserted into the first positioning groove 203, the grip part 101 faces forward; when the positioning protrusion 105 is inserted into the second positioning groove 204, the grip part 101 faces backward. It will not swing arbitrarily in a natural state.

[0021] Among them, the pull tab 100 and the zipper head body 200 are made of nylon material, which is easy to form, lightweight and tough.

[0022] Example 2 See Figure 1 and Figure 2 As shown, the nylon zipper involved in this embodiment is further configured, based on embodiment 1, with a collapse groove 106 provided at the intersection of the arm 103 and the connecting part 102.

[0023] Furthermore, the positioning protrusion 105 is located between the half-shaft 104 and the collapse groove 106.

[0024] In this embodiment, the crimping groove 106 makes the arm 103 easier to bend and deform, making it easier to install the pull tab 100 onto the zipper head body 200.

[0025] Example 3 See Figure 1 and Figure 2 As shown, the nylon zipper involved in this embodiment is further configured, based on embodiment 1, to form a slot 107 for inserting the hanging ear between the two arms 103, and the opening of the slot 107 is flared.

[0026] Furthermore, the end of the half-shaft 104 has a chamfer; the positioning protrusion 105 is spherical.

[0027] In this embodiment, by setting the slot of the card slot 107 as an flared structure, it is convenient for the hanging ear to be embedded between the two arm rods 103.

[0028] The end of the half-shaft 104 is beveled to facilitate insertion into the shaft hole 202 and to serve as a guide for installation.

[0029] The positioning protrusion 105 is designed to be spherical, which facilitates its insertion into the first positioning groove 203 and the second positioning groove 204, and serves as a guide.

[0030] The nylon zipper involved in this utility model can accurately position the pull tab to prevent it from swinging randomly when not in use, avoid snagging on clothing, and improve ease of use; it also reduces friction and wear on components such as the pull tab and shaft, extending the service life of the nylon zipper. Overall, it has perfect functions and strong practicality.

[0031] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the actual orientation or positional relationship shown. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the embodiments and according to the specific circumstances.

[0032] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A nylon zipper, comprising a pull tab and a zipper head body, wherein the zipper head body is provided with a loop, and the loop has a shaft hole, characterized in that: The pull tab includes a gripping part and a connecting part. The connecting part is provided with two arms that extend away from the gripping part and are arranged symmetrically from left to right. Two split half shafts that are coaxially arranged are rotatably connected in the shaft hole. The two half shafts are located between the two arms. The outer ends of the half shafts are connected to the inner side of the arms. At least one of the arms is also provided with a positioning protrusion near the half shaft on its inner side. The side of the hanging ear is provided with a first positioning groove and a second positioning groove that match the positioning protrusion.

2. The nylon zipper according to claim 1, characterized in that: A crumple groove is provided at the junction of the arm and the connecting part.

3. The nylon zipper according to claim 2, characterized in that: A slot is formed between the two arms for inserting the lugs, and the opening of the slot is flared.

4. The nylon zipper according to claim 3, characterized in that: The first positioning groove is located on the front side of the shaft hole, and the second positioning groove is located on the rear side of the shaft hole.

5. The nylon zipper according to claim 4, characterized in that: The positioning protrusion is located between the half-shaft and the crumple groove.

6. The nylon zipper according to any one of claims 1-5, characterized in that: The end of the half-shaft has a chamfer; the positioning protrusion is spherical.

7. The nylon zipper according to claim 1, characterized in that: Both of the aforementioned arms have positioning protrusions on their inner surfaces.

8. The nylon zipper according to claim 1, characterized in that: The pull tab is made of nylon.

9. The nylon zipper according to claim 1, characterized in that: The zipper pull body is made of nylon.

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