Zipper pull tab and zipper puller of detachable pull tab assist device

Abstract

The utility model provides a zipper pull tab and a zipper puller with a detachable pull tab assistor, the zipper pull tab comprises a pull tab main body and the pull tab assistor, the pull tab main body is provided with a mounting hole, an appliance mounting part and a limiting groove, and the mounting hole has different apertures in at least two intersecting directions; the pull tab assist device is provided with a device body, a device column part, a device head part and a limiting protruding part protruding from the periphery of the device column part, and the device head part has different lengths in at least two intersecting directions. The pull tab assistor has a plugging position and a holding position relative to the pull tab main body; when the pull tab assistor is located at the holding position, the appliance body and the appliance head abut against the two sides of the appliance mounting part respectively, the limiting protruding part is contained in the limiting groove, the peripheral face of the limiting protruding part is matched with the groove wall face of the limiting groove in an abutting mode, the tightness between the pull tab assistor and the pull tab body is increased, and shaking of the pull tab assistor is limited. The limiting groove is of a non-protruding structure on the pull piece body, so that the appearance of the pull piece body is more attractive.

Description

Technical Field

[0001] This utility model relates to the field of zipper technology, and in particular to a zipper pull tab with a detachable pull tab auxiliary device, and a zipper pull head equipped with the zipper pull tab. Background Technology

[0002] Currently, zippers are widely used in clothing, bags, tents, bedding and other daily necessities to allow items to be combined or separated.

[0003] Typically, a zipper mainly consists of a pair of fabric straps, a toothed chain strap fixed to the inner edge of each fabric strap, and a zipper pull. The zipper pull includes a zipper body mounted on the toothed chain strap and a pull tab mounted on the surface of the zipper body. By holding the pull tab and pulling the zipper body along the length of the zipper, the pair of toothed chain straps engage or disengage, thus closing or opening the zipper. To enhance the design of zippers, some existing zippers incorporate a pull tab assist. This pull tab assist is detachably mounted on the pull tab of the zipper pull. The pull tab assist not only improves the ease of pulling the zipper pull but also enriches the zipper's design.

[0004] Prior art: In the zipper puller disclosed in Chinese invention patent CN110811084B, when installing the puller auxiliary device, the puller auxiliary part of the auxiliary device is passed through the mounting hole on the puller body, and the neck of one end of the puller auxiliary part is kept in the mounting hole of the puller body by the head limiting it. Although this makes the installation of the puller auxiliary device easier, it requires the puller auxiliary part to pass through the mounting hole during installation. The other end of the puller auxiliary part away from the neck is the handle, which restricts the shape of the handle due to the mounting hole on the puller body. This makes it difficult to design a more varied shape for the handle, thus limiting the shape of the puller auxiliary device.

[0005] To address the aforementioned problems, a zipper puller with a rotating detachable mechanism is proposed. This mechanism features a mounting hole in a metal puller body. One end of the puller assistant has a tool post and a resiliently deformable tool head. Both the mounting hole and the tool head are rectangles extending along the width of the zipper puller. The tool post is rotatably accommodated within the mounting hole. When installing the puller assistant, it is first positioned horizontally, aligned with the width of the zipper puller. At this point, the length of the tool head aligns with the length of the mounting hole. Pressing the tool head allows it to pass through the mounting hole, thus accommodating the tool post. Next, the puller assistant is rotated downwards by 90°, bringing it vertically aligned with the length of the zipper puller. Now, the length of the tool head is perpendicular to the length of the mounting hole, forming a cross shape. A portion of the tool head abuts against the surface of the puller body, preventing it from detaching from the mounting hole. The disassembly steps for the pull-tab aid are the reverse of the installation steps.

[0006] However, the aforementioned zipper puller with a rotary detachable mechanism still has the following drawbacks: 1. When the zipper puller is installed vertically, there is a large gap between the tool post and the wall of the mounting hole in the width direction of the zipper puller. This results in insufficient tightness between the zipper puller and the zipper puller body, making it prone to wobbling in this direction and unable to maintain a stable state after installation. 2. To prevent the zipper puller from wobbling after installation, some zipper pullers have a protruding part on the back of their body. This protruding part abuts against the outer periphery of the vertically positioned zipper puller, limiting its wobbling. However, the protruding part makes the zipper puller body less aesthetically pleasing. Utility Model Content

[0007] In view of the shortcomings of the prior art described above, the technical problem to be solved by this utility model is to provide a zipper pull tab with a detachable pull tab auxiliary, which can not only make the fastening between the pull tab auxiliary and the pull tab body reliable after installation, but also improve the appearance of the pull tab body.

[0008] To achieve the above objectives, this utility model provides a zipper pull tab with a detachable pull tab auxiliary device, comprising a pull tab body and a pull tab auxiliary device.

[0009] The pull tab body is provided with a through mounting hole, a device mounting part distributed around the mounting hole, and a limiting groove through the device mounting part. The limiting groove is distributed on the hole wall of the mounting hole and communicates with the mounting hole. The mounting hole has different diameters in at least two intersecting directions.

[0010] The pull tab auxiliary device includes a device body, a device column extending from the device body, a device head located at the outer end of the device column along the extension direction of the device column, and a limiting protrusion protruding from the outer periphery of the device column. The limiting protrusion is distributed between the device body and the device head. The device head has different lengths in at least two intersecting directions. The device column is rotatably accommodated in a mounting hole.

[0011] The pull tab auxiliary has an insertion / removal position and a holding position relative to the pull tab body;

[0012] When the pull tab auxiliary is in the insertion / removal position, the length direction of the device head is consistent with the length direction of the mounting hole, and the mounting hole allows the device head to pass through;

[0013] When the pull tab assist is in the holding position, the length direction of the tool head intersects with the length direction of the mounting hole, the tool body and the tool head respectively abut against the two sides of the tool mounting part, the limiting protrusion is accommodated in the limiting groove, and the outer peripheral surface of the limiting protrusion abuts against the groove wall surface of the limiting groove.

[0014] First, this application achieves a rotary assembly and disassembly of the pull-tab auxiliary device within the pull-tab body: both the mounting hole and the device head are non-circular structures, resulting in a larger diameter in the mounting hole and a larger length in the device head. Thus, when installing the pull-tab auxiliary device, it is first positioned in the insertion / removal position, aligning the length of the device head with the length of the mounting hole. Pressing the device head at this point allows for easy and convenient insertion and insertion into the mounting hole. Then, rotating the pull-tab auxiliary device to its holding position aligns the length of the device head with the length of the mounting hole. At this point, the device body and the device head abut against both sides of the device mounting portion along its thickness, thus connecting the pull-tab auxiliary device to the pull-tab body. When disassembling the pull-tab auxiliary device, it is first rotated from the holding position to the insertion / removal position, and then force is applied to pull the device head out of the mounting hole, detaching the pull-tab auxiliary device from the pull-tab body. Therefore, this application realizes the rotary disassembly and assembly of the pull tab auxiliary in the pull tab body, and the operation of pressing the head of the tool into the mounting hole is very easy. This not only facilitates the installation and replacement of the pull tab auxiliary, but also does not cause the mounting hole to impose any constraints on the tool body, thus not limiting the shape design of the pull tab auxiliary. This allows this application to use pull tab auxiliary with any shape, greatly improving and enriching the design of zipper pull tabs, and ultimately improving and enriching the design of zippers.

[0015] Secondly, after the pull-tab auxiliary device is installed, it remains in its holding position. In this state, the limiting protrusion on the pull-tab auxiliary device is engaged in the limiting groove, and the outer peripheral surface of the limiting protrusion abuts against the groove wall. This increases the tightness between the pull-tab auxiliary device and the pull-tab body. Even if there is a large gap between the device post and the hole wall, the pull-tab auxiliary device can be reliably restricted from shaking, thus maintaining the stable state of the pull-tab auxiliary device after installation. Furthermore, the structure on the pull-tab body that restricts the shaking of the pull-tab auxiliary device is a limiting groove, rather than a protruding structure, so that there are no obvious protruding parts on the appearance of the pull-tab body, making the appearance of the pull-tab body more aesthetically pleasing.

[0016] Furthermore, the mounting hole on the pull tab body is preferably configured as follows: the mounting hole is an oblong or rectangular hole, the length direction of the mounting hole is consistent with the width direction of the pull tab body, the width direction of the mounting hole is consistent with the length direction of the pull tab body, and the mounting hole extends through the pull tab body along its thickness direction; when the pull tab auxiliary is in the insertion / removal position, the length direction of the tool head is consistent with the width direction of the pull tab body; when the pull tab auxiliary is in the holding position, the length direction of the tool head is consistent with the length direction of the pull tab body. With this mounting hole configuration, the hole wall has a pair of transverse hole walls relatively distributed along the length direction of the pull tab body, and the limiting groove is located at the middle position of the transverse hole walls; when the pull tab auxiliary is in the holding position, it can better constrain the pull tab auxiliary from wobbling in the width direction of the pull tab body.

[0017] Furthermore, the length direction of the main body of the device is consistent with the length direction of the head of the device; along the length direction of the head of the device, both ends of the head of the device are provided with longitudinal protrusions extending outward from the post portion of the device, and the limiting protrusions are distributed between the main body of the device and the longitudinal protrusions; when the pull tab auxiliary is in the holding position, the longitudinal protrusions abut against the surface of the device mounting portion, constraining the pull tab auxiliary from the mounting hole of the pull tab main body. In addition, after the pull tab auxiliary is installed, the main body of the pull tab auxiliary extends along the length direction of the pull tab main body, making the overall shape of the zipper pull tab have very good consistency, which helps to improve the overall integrity of the zipper pull tab, and thus improves the aesthetic appearance of the zipper pull tab.

[0018] Furthermore, during installation, the insertion direction of the tool head into the mounting hole is such that the front of the pull tab body faces the back. Along the length of the pull tab body, the back of the tool mounting part in the pull tab body has receiving grooves communicating with the mounting hole on both sides. When the pull tab assistant is in the holding position, the longitudinal protrusion is located in the receiving groove. This restricts the arbitrary rotation and detachment of the tool head, thus restricting the arbitrary rotation and detachment of the pull tab assistant and improving the installation reliability of the pull tab assistant. Moreover, the receiving groove is a groove structure on the back of the pull tab body, which does not affect the front appearance of the pull tab body and avoids creating obvious protruding parts, ensuring the aesthetic appearance of the pull tab body.

[0019] Furthermore, the groove wall of the limiting groove has a first inclined wall and a second inclined wall symmetrically arranged along the width direction of the pull tab body, and the outer peripheral surface of the limiting protrusion has a first limiting inclined surface and a second limiting inclined surface symmetrically arranged. When the pull tab auxiliary is in the holding position, the first inclined wall and the first limiting inclined surface, as well as the second inclined wall and the second limiting inclined surface, are in surface contact, which better increases the tightness between the pull tab auxiliary and the pull tab body after installation and more reliably limits the shaking of the pull tab auxiliary.

[0020] Preferably, the limiting groove is a triangular groove, and the limiting protrusion is a triangular protrusion adapted to the limiting groove.

[0021] Furthermore, the transverse hole wall has a first inclined segment and a second inclined segment symmetrically arranged along the width direction of the pull tab body. The first and second inclined segments are respectively connected to both ends of the limiting groove. Both the first and second inclined segments extend inclinedly, moving further away from the transverse centerline of the mounting hole as they move away from the limiting groove. When the pull tab auxiliary is in the holding position, the connection points between the first and second inclined segments and the limiting groove abut against the outer peripheral surface of the tool column. Thus, the mounting hole wall has four inclined segments, further increasing the tightness between the pull tab auxiliary and the pull tab body after installation, thereby enhancing the multi-directional pulling force of the pull tab auxiliary and preventing the pull tab auxiliary from accidentally detaching from the mounting hole during use.

[0022] Furthermore, the main body of the appliance includes a pull tab connecting section, an inclined extension section, and a grip-enhancing section connected sequentially along its length. The main body is located at the end of the pull tab connecting section away from the grip-enhancing section and extends along the thickness direction of the main body. The inclined extension section extends at an angle, moving further away from the pull tab main body as it gets closer to the grip-enhancing section, thus keeping the grip-enhancing section away from the zipper surface for better user grip. Additionally, the increased thickness of the grip-enhancing section provides a better grip feel.

[0023] Furthermore, the outer contour dimension of the device head is larger than the contour dimension of the mounting hole, and at least the device head of the pull-tab auxiliary device is an elastic deformable body, which can both allow the device head to easily pass through the mounting hole and allow it to detach in the opposite direction after passing through the mounting hole.

[0024] Furthermore, the pull tab body is a one-piece molded part and a zinc alloy part, which improves the structural strength of the pull tab body and makes it durable. At the same time, the pull tab auxiliary part is a one-piece molded part and a TPU part, which is convenient to manufacture and low in cost. It is easy to design a variety of pull tab auxiliary parts with different shapes and colors at low cost. Combined with the detachable structure of the pull tab auxiliary part on the pull tab body, it is convenient for users to replace different pull tab auxiliary parts, enriching the design of the zipper.

[0025] This utility model also provides a zipper pull, including a zipper pull body and a zipper pull tab with a detachable pull tab auxiliary device as described above, wherein the pull tab body is connected to the zipper pull body.

[0026] As described above, the zipper pull tab and zipper pull head with detachable pull tab auxiliary device involved in this utility model have the following beneficial effects:

[0027] 1. This application realizes the rotational disassembly and assembly of the pull tab auxiliary in the pull tab body, and the operation of pressing the head of the tool into the mounting hole is very easy. This not only facilitates the installation and replacement of the pull tab auxiliary, but also does not cause the mounting hole to impose any constraints on the tool body. Therefore, it does not limit the shape design of the pull tab auxiliary, allowing this application to use pull tab auxiliary with any shape, greatly improving and enriching the design of zipper pull tabs, and ultimately improving and enriching the design of zippers.

[0028] 2. After the pull-tab auxiliary device is installed, it remains in its holding position. In this state, the limiting protrusion on the pull-tab auxiliary device is engaged in the limiting groove, and the outer peripheral surface of the limiting protrusion abuts against the groove wall. This increases the tightness between the pull-tab auxiliary device and the pull-tab body. Even if there is a large gap between the device post and the wall of the mounting hole, the pull-tab auxiliary device can be reliably restricted from shaking, thus maintaining the stable state of the pull-tab auxiliary device after installation. Furthermore, the structure on the pull-tab body that restricts the shaking of the pull-tab auxiliary device is a limiting groove, rather than a protruding structure, so that there are no obvious protruding parts on the appearance of the pull-tab body, making the appearance of the pull-tab body more aesthetically pleasing. Attached Figure Description

[0029] Figure 1 This is a front view of the zipper pull in this application.

[0030] Figure 2 This is a schematic diagram of the back of the zipper pull in this application.

[0031] Figure 3 This is a right view of the zipper pull in this application.

[0032] Figure 4 This is a frontal view of the main body of the pull tab in this application.

[0033] Figure 5 This is a schematic diagram of the back of the pull tab body in this application.

[0034] Figure 6 This is a right view of the main body of the pull tab in this application.

[0035] Figure 7 This is a front view of the pull-tab auxiliary device in this application.

[0036] Figure 8 This is a schematic diagram of the back of the pull-tab auxiliary device in this application.

[0037] Figure 9 This is a right view of the pull-tab auxiliary device in this application.

[0038] Figure 10 This is a left view of the pull-tab auxiliary device in this application.

[0039] Figure 11 This is a schematic diagram showing the connection between the pull tab auxiliary device and the pull tab body when the device is in the insertion / removal position.

[0040] Figure 12 This is a schematic diagram showing the connection between the pull tab auxiliary device and the pull tab body when the device is in the holding position in this application.

[0041] Figure 13 This is a schematic diagram of the installation of the pull-tab auxiliary device in this application.

[0042] Figure 14 This is a schematic diagram of the disassembly of the pull-tab auxiliary device in this application.

[0043] Component designation explanation

[0044] 10. Main body of the film pull

[0045] 11 mounting holes

[0046] 111 Transverse hole wall

[0047] 112 First Inclined Section

[0048] 113 Second Inclined Section

[0049] 114 Longitudinal hole wall

[0050] 115 arc segment

[0051] 12. Equipment Installation Department

[0052] 13 Limiting grooves

[0053] 131 First inclined wall

[0054] 132 Second inclined wall

[0055] 14 Receiving groove

[0056] 15. Slipper Head Installation Section

[0057] 151 Column connection hole

[0058] 20 Film Pulling Auxiliary Device

[0059] 21. Main body of the appliance

[0060] 211 Film Pulling Connection Section

[0061] 212 Inclined extension section

[0062] 213 Thickened section for hand grip

[0063] 214 Friction-enhancing convex strip

[0064] 22 Utensil column

[0065] 23. Head of the instrument

[0066] 231 Longitudinal convex part

[0067] 232 Lateral convex part

[0068] 233 Installation guide ramp

[0069] 24 Limiting protrusions

[0070] 241 First limiting inclined plane

[0071] 242 Second limiting inclined plane

[0072] 30. Pull-out body

[0073] 31 Upper Wing

[0074] 32 Lower wing plate

[0075] 33 Pull-tab mounting column Detailed Implementation

[0076] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0077] It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and to facilitate understanding. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed herein. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0078] It should also be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or may be connected to an intermediary component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component through an intermediary component.

[0079] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0080] This application relates to the field of zipper technology. For ease of description, in the following embodiments, the directions are defined as follows: the length direction of the zipper is defined as the front-to-back direction, the width direction of the zipper is defined as the left-to-right direction, and the thickness direction of the zipper is defined as the up-to-down direction. The zipper mainly includes a pair of side-by-side fabric strips, a toothed chain strap fixed to the inner edge of each fabric strip and extending front-to-back, and a zipper pull. The zipper pull is slidably mounted on the toothed chain straps. When the zipper pull moves forward, the pair of toothed chain straps engage, thereby closing the zipper; when the zipper pull moves backward, the pair of toothed chain straps disengage, thereby opening the zipper.

[0081] like Figures 1 to 3As shown, this utility model mainly relates to a zipper puller and a zipper tab for the zipper puller. The zipper tab is a detachable zipper tab auxiliary device 20. The length, width, and thickness directions of the zipper puller correspond one-to-one with the length, width, and thickness directions of the zipper, and the length, width, and thickness directions of the zipper tab also correspond one-to-one with the length, width, and thickness directions of the zipper. Based on this, Figure 1 ,or Figure 4 ,or Figure 7 In the view shown, the top of the paper is the front direction, the bottom of the paper is the back direction, the left side of the paper is the left direction, the right side of the paper is the right direction, the front of the paper is the top direction, and the back of the paper is the bottom direction.

[0082] This utility model relates to a zipper pull, which includes a puller body 30 and a zipper pull tab with a detachable pull tab auxiliary device 20. For example... Figures 1 to 3 As shown, the zipper pull body 30 includes an upper wing plate 31 and a lower wing plate 32 arranged opposite each other, a tooth passage formed between the upper wing plate 31 and the lower wing plate 32, and a zipper pull mounting post 33 fixed to the upper surface of the upper wing plate 31. Some of the teeth on the zipper chain are accommodated in the tooth passage. The zipper pull includes a pull body 10 and a pull assist 20. The front end of the pull body 10 is connected to the pull assist mounting post 33 of the zipper pull body 30, thereby mounting the zipper pull as a whole on the upper surface of the zipper pull body 30. The rear end of the pull body 10 is detachably connected to the pull assist 20, allowing the pull assist 20 to be replaced.

[0083] like Figures 4 to 6 As shown, the front part of the pull tab body 10 is a pull head mounting part 15, which is used to connect with the pull tab mounting post 33 on the pull head body 30. Preferably, the pull tab body 10 has a post connecting hole 151 in the pull head mounting part 15. The post connecting hole 151 extends vertically through the pull tab body 10 along its thickness direction. The pull head mounting part 15 of the pull tab body 10 is sleeved on the pull tab mounting post 33 of the pull head body 30 through the post connecting hole 151, thereby mounting the pull tab body 10 on the pull head body 30.

[0084] In particular, such as Figure 4 and Figure 6 As shown, the rear section of the pull tab body 10 is a fixture mounting section 12, used to connect with the pull tab auxiliary device 20. The pull tab body 10 has through mounting holes 11 and limiting grooves 13 in the fixture mounting section 12, which are distributed around the mounting holes 11. The mounting holes 11 are not perfectly circular, such as elliptical, rectangular, oblong, trapezoidal, etc., and thus have different diameters in at least two intersecting directions, with a larger diameter along its length. The limiting grooves 13 are distributed along the wall of the mounting holes 11 and communicate with them. Figures 7 to 10 As shown, the pull-tab assistant 20 includes a device body 21 extending front to back, a device column 22 extending downward from the front end of the device body 21, a device head 23 fixed at the lower end of the device column 22 along the extension direction of the device column 22, and a limiting protrusion 24 protruding from the outer periphery of the device column 22; the device column 22 is a cylindrical structure or a square column structure, and the device column 22 is rotatably accommodated in the mounting hole 11; the device head 23 is fixed at the outer end of the device column 22, and the device head 23 is not perfectly circular, such as elliptical, rectangular, waist-shaped, trapezoidal, etc., then the device head 23 has different lengths in at least two intersecting directions, and the device head 23 has a larger length in its length direction; the limiting protrusion 24 is distributed between the device body 21 and the device head 23 in the vertical direction.

[0085] Furthermore, the pull tab assist 20 has an insertion / removal position and a holding position relative to the pull tab body 10. The insertion / removal position and the holding position of the pull tab assist 20 are two different positions, which are determined by rotating the pull tab assist 20 to either the insertion / removal position or the holding position. When the pull tab assist 20 is in the insertion / removal position, as... Figure 11 As shown, the length direction of the device head 23 is aligned with the length direction of the mounting hole 11, which allows the device head 23 to pass through. When the pull tab assist 20 is in the holding position, as... Figure 12 As shown, the length direction of the appliance head 23 intersects the length direction of the mounting hole 11. The appliance body 21 and the appliance head 23 respectively abut against the two sides of the appliance mounting part 12. The appliance column part 22 is accommodated in the mounting hole 11. The limiting protrusion 24 is accommodated in the limiting groove 13. The outer peripheral surface of the limiting protrusion 24 abuts against the groove wall surface of the limiting groove 13.

[0086] The pull tab body 10 and pull tab auxiliary device 20 with the above structure realize the rotational assembly and disassembly of the pull tab auxiliary device 20 in the pull tab body 10, so that the pull tab body 10 and the pull tab auxiliary device 20 can be separated or combined.

[0087] When installing the film puller 20, such as Figure 13 As shown, first position the pull tab aid 20 in the insertion / removal position, so the length direction of the device head 23 is aligned with the length direction of the mounting hole 11; align the device head 23 with the mounting hole 11, then apply force to press the device head 23. Since the maximum length direction of the device head 23 is aligned with the maximum diameter direction of the mounting hole 11, pressing the device head 23 will easily push it into the mounting hole 11, allowing it to easily pass through the mounting hole 11; then, rotate the pull tab aid 20, with the device head 23 having passed through the mounting hole 11, to its holding position, so that the length direction of the device head 23 intersects with the length direction of the mounting hole 11, as shown. Figure 2 and Figure 3As shown, since both the mounting hole 11 and the appliance head 23 are not perfectly circular, the length dimension of the appliance head 23 is larger than the diameter of the mounting hole 11 in that direction. This causes the part of the appliance head 23 that protrudes from the appliance column 22 to abut against the appliance mounting part 12. That is, the appliance body 21 and the appliance head 23 abut against the upper and lower sides of the appliance mounting part 12 along the thickness direction of the appliance mounting part 12, respectively, restricting the appliance head 23 from disengaging from the mounting hole 11, so that the pull tab auxiliary device 20 is connected to the pull tab body 10.

[0088] When disassembling the pull tab auxiliary device 20, such as Figure 14 As shown, first rotate the pull tab auxiliary device 20 from the holding position to the insertion / removal position, so that the length direction of the device head 23 is consistent with the length direction of the mounting hole 11. Then, apply force to pull the device head 23 out of the mounting hole 11. Since the maximum length direction of the device head 23 is consistent with the maximum diameter direction of the mounting hole 11 at this time, the device head 23 can be easily pulled out of the mounting hole 11 when the pull tab auxiliary device 20 is pulled out, and the pull tab auxiliary device 20 can be detached from the pull tab body 10.

[0089] Therefore, this application achieves a rotary installation and removal of the pull tab assist 20 within the pull tab body 10, enabling the replacement of different pull tab assist 20s. The operation of pressing the tool head 23 into or out of the mounting hole 11 is very easy, making the installation and removal of the pull tab assist 20 also easy and convenient. This facilitates the installation and replacement of the pull tab assist 20, as the tool body 21 does not need to pass through the mounting hole 11 during installation and removal, avoiding any constraint or restriction imposed by the mounting hole 11 on the tool body 21. This also avoids limiting the shape design of the pull tab assist 20, allowing this application to use pull tab assist 20s of any shape, significantly improving and enriching the design of zipper pull tabs, and ultimately enhancing and enriching the design aesthetics of zippers. In particular, after the pull-tab assistant 20 is installed, it remains in its holding position. In this state, the limiting protrusion 24 on the pull-tab assistant 20 is engaged in the limiting groove 13, and the outer peripheral surface of the limiting protrusion 24 abuts against the groove wall of the limiting groove 13. This increases the tightness between the pull-tab assistant 20 and the pull-tab body 10. Even if there is a large gap between the tool post 22 and the hole wall of the mounting hole 11, the pull-tab assistant 20 can be reliably restricted from shaking, thus stably maintaining the state of the pull-tab assistant 20 after installation. Furthermore, the structure on the pull-tab body 10 that restricts the shaking of the pull-tab assistant 20 is the limiting groove 13, rather than a protruding structure, so that the appearance of the pull-tab body 10 has no obvious protruding parts, making the appearance of the pull-tab body 10 more aesthetically pleasing.

[0090] Furthermore, the mounting hole 11 can be arranged in various ways on the pull tab body 10: the length direction of the mounting hole 11 can be consistent with the length direction of the pull tab body 10, or it can be consistent with the width direction of the pull tab body 10, or it can intersect with both the length and width directions of the pull tab body 10. In this embodiment, the preferred arrangement of the mounting hole 11 on the pull tab body 10 is as follows: Figure 4 and Figure 5 As shown, the mounting hole 11 is a rectangular hole. The length direction of the mounting hole 11 is consistent with the width direction of the pull tab body 10, both being in the left-right direction, that is, the mounting hole 11 extends left and right along the width direction of the pull tab body 10; the width direction of the mounting hole 11 is consistent with the length direction of the pull tab body 10, both being in the front-back direction; the mounting hole 11 penetrates the pull tab body 10 vertically along the thickness direction of the pull tab body 10. The mounting hole 11 with the rectangular hole structure has a roughly rectangular hole wall outline: the hole wall of the mounting hole 11 has a pair of transverse hole walls 111 and a pair of longitudinal hole walls 114. The pair of transverse hole walls 111 are distributed front-back relative to each other along the length direction of the pull tab body 10 and extend roughly left and right, and the pair of longitudinal hole walls 114 are distributed left and right relative to each other along the width direction of the pull tab body 10 and extend front-back. Adjacent transverse hole walls 111 and longitudinal hole walls 114 are connected by arc segments 115, that is, the four corners of the mounting hole 11 with the rectangular hole structure are all arc segments 115. Therefore, the mounting hole 11 has the largest diameter between a pair of longitudinal hole walls 114 (i.e., in the left-right direction), and the mounting hole 11 has the smallest diameter between a pair of transverse hole walls 111 (i.e., in the front-back direction). Of course, in other embodiments, the mounting hole 11 can also be an oblong hole.

[0091] Furthermore, the length direction of the main body 21 of the device is consistent with the length direction of the head 23 of the device. When the pull tab auxiliary device 20 is in the insertion / removal position, such as Figure 11 As shown, the length direction of the device head 23, the length direction of the device body 21, and the width direction of the pull tab body 10 are all consistent, all in the left-right direction. Therefore, the insertion and removal position of the pull tab auxiliary device 20 is also a horizontal position in the left-right direction. When the pull tab auxiliary device 20 is in the holding position, as... Figure 12 As shown, the length directions of the device head 23, the device body 21, and the pull tab body 10 are all aligned, all in a front-to-back direction. Therefore, the holding position of the pull tab assistant 20 is also a vertical position in the front-to-back direction. Thus, when installing the pull tab assistant 20, as... Figure 11As shown, first position the zipper puller 20 horizontally, aligning the length of the tool head 23 with the length of the mounting hole 11. Then, press the tool head 23 downwards through the mounting hole 11, and rotate the zipper puller 20 backwards by 90° to complete the installation. At this point, the tool head 23 is perpendicular to the mounting hole 11, forming a cross shape. Furthermore, after the zipper puller 20 is installed, the tool body 21 extends along the length of the zipper body 10, aligning with the length of the zipper. This ensures excellent consistency between the zipper pull and the overall shape of the zipper, improving the overall integrity of the zipper pull and enhancing the aesthetic appeal of both.

[0092] Furthermore, when the pull tab assist 20 is in the insertion / removal position and the holding position, after the head 23 of the device has passed through the mounting hole 11, the device column 22 can be accommodated in the mounting hole 11. At this time, based on the rectangular or waist-shaped shape of the mounting hole 11, there is a gap between the outer peripheral surface of the device column 22 and the pair of longitudinal hole walls 114 of the mounting hole 11, which makes it easier to rotate the pull tab assist 20 later, and also facilitates the disassembly and assembly of the pull tab assist 20.

[0093] Furthermore, when the pull-tab assist 20 is in the holding position (i.e., the vertical position), such as Figures 8 to 10 As shown, along the length of the device head 23, both the front and rear ends of the device head 23 are provided with longitudinal protrusions 231 extending outward from the device column 22, and limiting protrusions 24 are distributed between the device body 21 and the longitudinal protrusions 231; along the width of the device head 23, both the left and right ends of the device head 23 are provided with transverse protrusions 232 extending outward from the device column 22; the extension length of the longitudinal protrusions 231 in the front-rear direction is greater than the extension length of the transverse protrusions 232 in the left-right direction. When the pull tab auxiliary device 20 is in the holding position, the longitudinal protrusions 231 abut against the lower surface of the device mounting part 12, preventing the pull tab auxiliary device 20 from disengaging upward from the pull tab body 10.

[0094] Preferably, the extension length of the longitudinal protrusion 231 in the front-rear direction should satisfy the following: when the pull tab auxiliary 20 is in Figure 11 When the appliance head 23 is in the horizontal position shown and aligned with the mounting hole 11, pressing down on the appliance head 23 allows it to easily pass through the mounting hole 11. Furthermore, after the appliance head 23 passes through the mounting hole 11 and the pull tab assist 20 is rotated 90° backward, a significant portion of the longitudinal protrusion 231 abuts against the lower surface of the appliance mounting portion 12, thereby reliably preventing the appliance head 23 from dislodging from the mounting hole 11.

[0095] Furthermore, such as Figure 4 and Figure 5As shown, the limiting groove 13 is located at the middle position of the transverse hole wall 111. The limiting groove 13 is distributed along the longitudinal center line of the pull tab body 10, extending vertically through the device mounting portion 12 along its thickness. When the pull tab auxiliary device 20 is in the holding position, the abutting cooperation between the limiting groove 13 and the limiting protrusion 24 better restrains the pull tab auxiliary device 20 from wobbling in the width direction of the pull tab body 10, preventing it from deflecting to the right or left and keeping it vertical. Furthermore, in the pair of transverse hole walls 111 of the mounting hole 11, the limiting groove 13 can be provided only on the front transverse hole wall 111 or only on the rear transverse hole wall 111. Correspondingly, the pull tab auxiliary device 20 has only one limiting protrusion 24. In this embodiment, as... Figure 4 and Figure 5 As shown, limit grooves 13 are provided at the middle positions of the front transverse hole wall 111 and the rear transverse hole wall 111, respectively. Figure 9 and Figure 10 As shown, the pull-tab assistant 20 is provided with two limiting protrusions 24.

[0096] Furthermore, the upper surface of the pull tab body 10 is its front side, and the lower surface of the pull tab body 10 is its back side. When installing the pull tab auxiliary device 20, the insertion direction of the device head 23 into the mounting hole 11 is downward, that is, the direction in which the front side of the pull tab body 10 faces the back side. Preferably, as... Figure 5 As shown, along the length of the pull tab body 10, the back of the device mounting part 12 in the pull tab body 10 has receiving grooves 14 communicating with the mounting holes 11 on both the front and rear sides of the mounting holes 11. The receiving groove 14 on the rear side extends directly to the rear edge of the pull tab body 10. When the pull tab auxiliary device 20 is in the holding position, as... Figure 2 As shown, the longitudinal protrusions 231 at both ends of the device head 23 are located in the front and rear receiving grooves 14, respectively, thereby restricting the free rotation and disengagement of the device head 23, and thus restricting the free rotation and disengagement of the pull tab auxiliary 20, improving the installation reliability of the pull tab auxiliary 20. At the same time, the receiving grooves 14 are groove structures on the back of the pull tab body 10, which will not affect the front appearance of the pull tab body 10, and also avoids creating obvious protruding parts on the appearance of the pull tab body 10, ensuring the aesthetic appearance of the pull tab body 10.

[0097] Furthermore, such as Figure 4 and Figure 5 As shown, the groove wall of the limiting groove 13 has a first inclined wall surface 131 and a second inclined wall surface 132 arranged symmetrically on the left and right sides; as Figure 9 and Figure 10As shown, the outer peripheral surface of the limiting protrusion 24 has a symmetrically arranged first limiting inclined surface 241 and second limiting inclined surface 242. When the pull tab auxiliary device 20 is in the holding position, the limiting protrusion 24 is accommodated in the limiting groove 13, and the first inclined wall surface 131 and the first limiting inclined surface 241 are in surface contact fit, and the second inclined wall surface 132 and the second limiting inclined surface 242 are in surface contact fit, thereby further increasing the tightness between the pull tab auxiliary device 20 and the pull tab body 10 after installation, and more reliably limiting the left and right swaying of the pull tab auxiliary device 20. Preferably, the limiting groove 13 is a triangular groove, or a V-shaped groove; the limiting protrusion 24 is a triangular protrusion adapted to the limiting groove 13.

[0098] Furthermore, in a pair of transverse hole walls 111, at least one transverse hole wall 111 has a first inclined segment 112 and a second inclined segment 113 symmetrically arranged from left to right. The first inclined segment 112 and the second inclined segment 113 are respectively connected to the left and right ends of the limiting groove 13. Both the first inclined segment 112 and the second inclined segment 113 extend inclinedly towards the transverse centerline as they move further away from the limiting groove 13 and further away from the mounting hole 11. In this embodiment, as... Figure 4 and Figure 5 As shown, each of the pair of transverse hole walls 111 has a first inclined section 112 and a second inclined section 113 arranged symmetrically from left to right; Figure 4 Taking the front view angle shown as an example, in the front transverse hole wall 111: the first inclined segment 112 on the left side of the limiting groove 13 extends inclined forward to the left, and the second inclined segment 113 on the right side of the limiting groove 13 extends inclined forward to the right; in the rear transverse hole wall 111: the first inclined segment 112 on the left side of the limiting groove 13 extends inclined backward to the left, and the second inclined segment 113 on the right side of the limiting groove 13 extends inclined backward to the right. The inclination angles of the first inclined segment 112 and the second inclined segment 113 are relatively small, both around 4°. When the pull tab auxiliary device 20 is in the holding position, the connection between the first inclined segment 112 and the limiting groove 13, and the connection between the second inclined segment 113 and the limiting groove 13, both abut against the outer peripheral surface of the device column 22. Thus, the four inclined sections on the wall of the mounting hole 11 further strengthen the tightness between the pull tab auxiliary device 20 and the pull tab body 10 after installation, thereby enhancing the multi-directional pulling force of the pull tab auxiliary device 20, such as enhancing the forward pulling force when closing the zipper, the backward pulling force when opening the zipper, and the front pulling force when prying the pull tab auxiliary device 20 upward from the front of the pull tab body 10. This not only enhances the tensile strength test of the pull tab auxiliary device 20, but also prevents the pull tab auxiliary device 20 from accidentally detaching from the mounting hole 11 during use.

[0099] Furthermore, such as Figures 7 to 10As shown, the main body 21 of the appliance includes a pull tab connecting section 211, an inclined extension section 212, and a grip thickening section 213 connected sequentially from front to back along its length. The main body 22 is located at the front end of the pull tab connecting section 211 away from the grip thickening section 213 and extends vertically along the thickness direction of the main body 21. The inclined extension section 212 extends at an angle, moving further away from the pull tab main body 10 as it gets closer to the grip thickening section 213, thus keeping the grip thickening section 213 away from the zipper surface for better gripping. Furthermore, the increased thickness of the grip thickening section 213 provides a better grip. The back of the grip thickening section 213 has a slightly downward-protruding friction-enhancing ridge 214. When the user pulls the zipper pull back and forth at the rear end of the main body 21, the friction-enhancing ridge 214 increases the friction between the main body 21 and the user's fingers, providing an anti-slip effect.

[0100] Furthermore, the outer contour dimension of the device head 23 is larger than the contour dimension of the mounting hole 11, that is, the length dimension of the device head 23 is larger than the length dimension of the mounting hole 11, and the width dimension of the device head 23 is larger than the width dimension of the mounting hole 11. At least the device head 23 in the pull tab aid 20 is an elastically deformable body. Thus, during installation, applying downward pressure to the front end of the pull tab aid 20 allows the device head 23 to easily pass downward through the mounting hole 11; and after the device head 23 passes downward through the mounting hole 11, it is prevented from reversing and disengaging after passing upward through the mounting hole 11. Preferably, as... Figure 9 As shown, the outer peripheral surface of the device head 23 is provided with an installation guide slope 233, which extends at an angle that is closer to the central axis of the device head 23 the further away from the device column 22. In this way, when installing the pull tab assist 20, the inclined installation guide slope 233 makes it easier for the device head 23 to be pressed down through the mounting hole 11, making the installation operation of the pull tab assist 20 more convenient.

[0101] Furthermore, the pull tab body 10 with the above-mentioned structure is a one-piece molded part and is made of metal, preferably zinc alloy, which improves the structural strength of the pull tab body 10 and makes it durable. Meanwhile, the pull tab auxiliary device 20 with the above-mentioned structure is a one-piece molded part and is made of plastic, such as hard plastic, soft plastic, rubber, or resin, preferably TPU. TPU refers to thermoplastic polyurethane, which facilitates the manufacture of the pull tab auxiliary device 20 and is low-cost. It is easy to design various pull tab auxiliary devices 20 with different shapes and colors at low cost. Combined with the detachable structure of the pull tab auxiliary device 20 on the pull tab body 10, it is convenient for users to replace different pull tab auxiliary devices 20, enriching the design of the zipper. In addition, even if the pull tab auxiliary device 20 is damaged during the disassembly and assembly process, or even if it is damaged after a period of use, the low cost of the pull tab auxiliary device 20 will not have a significant impact.

[0102] In summary, this utility model effectively overcomes the various shortcomings of the prior art and has high industrial application value.

[0103] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A zipper pull tab with a detachable pull tab auxiliary, comprising a pull tab body (10) and a pull tab auxiliary (20), characterized in that: The pull tab body (10) is provided with a through mounting hole (11), a device mounting part (12) distributed around the mounting hole (11), and a limiting groove (13) through the device mounting part (12). The limiting groove (13) is distributed at the hole wall of the mounting hole (11) and communicates with the mounting hole (11). The mounting hole (11) has different diameters in at least two intersecting directions. The pull tab auxiliary device (20) is provided with a device body (21) and a device body (21). The device includes an extended upper part (22), a device head (23) located at the outer end of the device part (22) along the extension direction of the device part (22), and a limiting protrusion (24) protruding from the outer periphery of the device part (22). The limiting protrusion (24) is distributed between the device body (21) and the device head (23). The device head (23) has different lengths in at least two intersecting directions. The device part (22) is rotatably accommodated in the mounting hole (11). The pull tab assist (20) has an insertion position and a holding position relative to the pull tab body (10); When the pull tab aid (20) is in the insertion / removal position, the length direction of the device head (23) is consistent with the length direction of the mounting hole (11), and the mounting hole (11) allows the device head (23) to pass through; When the pull tab auxiliary device (20) is in the holding position, the length direction of the device head (23) intersects the length direction of the mounting hole (11), the device body (21) and the device head (23) respectively abut against the two sides of the device mounting part (12), the limiting protrusion (24) is accommodated in the limiting groove (13), and the outer peripheral surface of the limiting protrusion (24) abuts against the groove wall surface of the limiting groove (13).

2. The zipper pull tab of the detachable pull tab auxiliary device according to claim 1, characterized in that: The mounting hole (11) is an oblong hole or a rectangular hole. The length direction of the mounting hole (11) is consistent with the width direction of the pull tab body (10). The width direction of the mounting hole (11) is consistent with the length direction of the pull tab body (10). The mounting hole (11) penetrates the pull tab body (10) along the thickness direction of the pull tab body (10). The mounting hole (11) has a pair of transverse hole walls (111) that are distributed opposite to each other along the length of the pull tab body (10), and the limiting groove (13) is located at the middle position of the transverse hole wall (111). When the pull tab assist (20) is in the insertion / removal position, the length direction of the head (23) of the device is consistent with the width direction of the pull tab body (10); When the pull tab assist (20) is in the holding position, the length direction of the head (23) of the device is consistent with the length direction of the pull tab body (10).

3. The zipper pull tab of the detachable pull tab auxiliary device according to claim 1 or 2, characterized in that: The length direction of the main body (21) of the device is consistent with the length direction of the head (23) of the device; Along the length direction of the head (23) of the device, both ends of the head (23) of the device are provided with longitudinal protrusions (231) extending outward from the post (22) of the device, and the limiting protrusions (24) are distributed between the main body (21) of the device and the longitudinal protrusions (231). When the pull tab assist (20) is in the holding position, the longitudinal protrusion (231) abuts against the surface of the appliance mounting part (12).

4. The zipper pull tab of the detachable pull tab auxiliary device according to claim 3, characterized in that: When the pull tab auxiliary device (20) is installed, the insertion direction of the head (23) of the device into the mounting hole (11) is the direction in which the front of the pull tab body (10) faces the back. Along the length direction of the pull tab body (10), the back side of the appliance mounting part (12) in the pull tab body (10) is provided with receiving grooves (14) communicating with the mounting hole (11) on both sides of the mounting hole (11); When the pull tab assist (20) is in the holding position, the longitudinal protrusion (231) is located in the receiving groove (14).

5. The zipper pull tab of the detachable pull tab auxiliary device according to claim 2, characterized in that: The groove wall of the limiting groove (13) has a first inclined wall (131) and a second inclined wall (132) symmetrically arranged along the width direction of the pull tab body (10). The outer peripheral surface of the limiting protrusion (24) has a first limiting inclined surface (241) and a second limiting inclined surface (242) symmetrically arranged. When the pull tab auxiliary device (20) is in the holding position, the first inclined wall (131) and the first limiting inclined surface (241), as well as the second inclined wall (132) and the second limiting inclined surface (242), are in surface contact.

6. The zipper pull tab of the detachable pull tab auxiliary device according to claim 2 or 5, characterized in that: The limiting groove (13) is a triangular groove, and the limiting protrusion (24) is a triangular protrusion adapted to the limiting groove (13).

7. The zipper pull tab of the detachable pull tab auxiliary device according to claim 2, characterized in that: The transverse hole wall (111) has a first inclined section (112) and a second inclined section (113) symmetrically arranged along the width direction of the pull tab body (10). The first inclined section (112) and the second inclined section (113) are respectively connected to the two ends of the limiting groove (13). The first inclined section (112) and the second inclined section (113) extend inclinedly in such a way that the further away from the limiting groove (13) the further away from the transverse center line of the mounting hole (11); When the pull tab assist (20) is in the holding position, the connection between the first inclined section (112) and the limiting groove (13) and the connection between the second inclined section (113) and the limiting groove (13) are both in contact with the outer peripheral surface of the tool column (22).

8. The zipper pull tab of the detachable pull tab auxiliary device according to claim 1, characterized in that: The main body of the device (21) includes a pull tab connecting section (211), an inclined extension section (212), and a grip thickening section (213) connected sequentially along its length. The device column (22) is located at the end of the pull tab connecting section (211) away from the grip thickening section (213) and extends along the thickness direction of the main body of the device (21). The inclined extension section (212) extends inclinedly, moving further away from the pull tab main body (10) the closer it is to the grip thickening section (213).

9. The zipper pull tab of the detachable pull tab auxiliary device according to claim 1, characterized in that: The outer contour dimension of the device head (23) is larger than the contour dimension of the mounting hole (11), and at least the device head (23) of the pull tab auxiliary device (20) is an elastic deformable body.

10. The zipper pull tab of the detachable pull tab auxiliary device according to claim 1 or 9, characterized in that: The pull tab body (10) is an integrally molded part and is made of zinc alloy, and the pull tab auxiliary device (20) is an integrally molded part and is made of TPU.

11. A zipper pull, comprising a pull body (30), characterized in that: It also includes a zipper pull tab of the detachable pull tab auxiliary device (20) according to any one of claims 1-10, wherein the pull tab body (10) is connected to the zipper head body (30).

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