One-way adjustable slide stopper

By setting movable locking parts and movable limiting parts on the anti-slip buckle, one-way adjustment of the webbing is realized, which solves the problem that the length needs to be adjusted by unlocking in the prior art, and improves the user's operation convenience and user experience.

CN224539589UActive Publication Date: 2026-07-24智则塑胶(金华)有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
智则塑胶(金华)有限公司
Filing Date
2025-07-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The existing anti-slip buckle requires unlocking before adjusting the webbing length, which is cumbersome and inconvenient for users.

Method used

A one-way adjustable anti-slip buckle was designed. By setting movable locking parts and movable limiting parts on the first and second buckles, the webbing can be adjusted in one direction after locking. Users can fine-tune the length without unlocking. When adjusting in the opposite direction, they only need to open the buckle to release the limit.

Benefits of technology

It enables easy adjustment of the webbing length, improves user convenience and experience, and meets the convenience needs of daily use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses one -way regulation's anti -skid fastener, including first fastener, second fastener for buckle and close the belt, first fastener, second fastener's end part rotation connection, the movable locking piece is equipped on first fastener, and first fastener, second fastener close and pass through locking piece one -way locking belt, locking piece with first fastener between is equipped with movable restriction part, and one -way regulation after belt locking is realized through movable restriction part, through locking piece only one -way movable structure realizes first fastener, second fastener close and belt can one -way regulation, and user daily use can also carry out the length of fine adjustment belt without unlocking, when needing reverse regulation, only need to rotate and open first fastener or second fastener, and the one -way location of locking piece to belt is cancelled, can reverse regulation belt. The operation of the design is relatively simple, and the use is relatively convenient, satisfies the convenience when daily use, guarantees good user experience.
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Description

Technical Field

[0001] This utility model relates to the field of fastener technology, and in particular to a one-way adjustable anti-slip fastener. Background Technology

[0002] Anti-slip buckles, commonly known as D-ring buckles, are everyday items used on backpacks and shoulder straps, typically made of plastic or metal. Backpacks and shoulder straps generally have shoulder straps, and the webbing on the shoulder straps passes through the anti-slip buckles to prevent the webbing from slipping. Adjusting the webbing on the anti-slip buckles also allows for adjustment of the shoulder strap length to accommodate different body types. While existing anti-slip buckles can be used to adjust the webbing length, it usually requires releasing the buckle from its locking mechanism before adjustment can be made, which is somewhat cumbersome and inconvenient for users. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, this utility model provides a unidirectional adjustable anti-slip fastener. To solve the above-mentioned technical problems, this utility model provides the following technical solution.

[0004] A one-way adjustable anti-slip fastener includes a first fastener and a second fastener for fastening a webbing. The ends of the first and second fasteners are rotatably connected. The first fastener has a movable locking member. After the first and second fasteners are closed, the locking member locks the webbing in one direction. A movable limiting part is provided between the locking member and the first fastener, which enables one-way adjustment of the webbing after locking. The first and second fasteners have an open state and a closed state: In the closed state, the first and second fasteners are fitted together and form a snap-fit, and the locking member limits the webbing in one direction, allowing the webbing to be adjusted in one direction; In the open state, the first or second fastener is rotated open, and the locking member releases the limitation on the webbing.

[0005] Furthermore, the activity limiting part includes rotation limiting blocks on both sides of the locking member and limiting grooves that allow the rotation limiting blocks to rotate slightly.

[0006] Furthermore, one end of the rotating limiting block is provided with an inclined limiting plane, and the other end is provided with a limiting stop. The limiting stop always abuts against the limiting groove. When the rotating limiting block rotates slightly with the locking member, it restricts the locking member from continuing to rotate until the limiting plane is in contact with the side wall of the limiting groove.

[0007] Furthermore, the locking member has protruding shaft posts on both sides, and the side walls on both sides of the first fastener have shaft grooves adapted to the shaft posts, so that the locking member can rotate through shaft connection.

[0008] Furthermore, the locking member is provided with a first limiting rib and a second limiting rib.

[0009] Furthermore, the locking component is provided with a guide portion.

[0010] Furthermore, the lower ends of both sides of the first fastener are provided with arc-shaped protruding blocks, and the second fastener is provided with grooves that fit the blocks. When the first and second fasteners are closed, the blocks are fastened into the grooves.

[0011] Furthermore, the second fastener has stops on both sides, and the stops on both sides form an assembly groove with the second fastener that is adapted to the outer contour of the first fastener. The first fastener is rotatably installed in the assembly groove. The inner wall of the stops has a locking groove, and the opening and closing ends of the first fastener have locking blocks on both sides. The locking blocks are adapted to the locking groove. When the first fastener and the second fastener are closed, the locking blocks are engaged in the locking groove to achieve fixation.

[0012] Furthermore, the second buckle has a recessed handle at its end.

[0013] A one-way adjustable anti-slip fastener includes a first fastener and a second fastener for fastening a webbing. The ends of the first fastener and the second fastener are rotatably connected. The first fastener has a movable locking member. After the first fastener and the second fastener are closed, the webbing is locked in one direction by the locking member. A limiting rib is provided between the locking member and the first fastener. The distance between the limiting rib and the second fastener is adjusted by the movement of the locking member. The webbing is connected to the locking member of the first fastener. The first fastener moves towards the second fastener until it is closed and locked.

[0014] When the front end of the webbing moves, the limiting rib on the locking member moves toward the direction closer to the second buckle, restricting the movement of the webbing; when the rear end of the webbing moves, the limiting rib on the locking member moves away from the second buckle, releasing the restriction on the webbing and allowing the webbing to move toward the rear end.

[0015] The locking member is axially connected to the first fastener, and the limiting rib is protruding on the locking member.

[0016] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0017] This utility model includes a rotatable first buckle and a second buckle. The webbing is wrapped around the first and second buckles in an S-shape. The first and second buckles rotate to close and clamp the webbing, making it less prone to loosening. Unlike traditional anti-slip buckles where the webbing cannot be adjusted up or down after closing, this design features a movable locking element on the first buckle. This locking element's unidirectional movement and reset structure allows for unidirectional adjustment of the webbing after the first and second buckles are closed. Users can fine-tune the webbing length without unlocking during daily use. For reverse adjustment, simply rotate the first or second buckle to open it, releasing the unidirectional restriction on the webbing and allowing for reverse adjustment. This design is simple to operate and convenient to use, meeting the needs of daily use and ensuring a good user experience. Attached Figure Description

[0018] Figure 1 This is a three-dimensional view of the closed state of this utility model.

[0019] Figure 2 This is a perspective view of the open state of this utility model.

[0020] Figure 3 This is a perspective view of the first fastener of this utility model.

[0021] Figure 4 This is a perspective view of the locking component of this utility model.

[0022] Figure 5 This is a perspective view of the second fastener of this utility model.

[0023] Figure 6 A cross-sectional view of this utility model Figure 1 .

[0024] Figure 7 A cross-sectional view of this utility model Figure 2 .

[0025] Reference numerals: 1. First buckle, 2. Second buckle, 3. Locking element, 4. Movable limiting part, 5. Rotation limiting block, 6. Limiting groove, 7. Limiting plane, 8. Limiting stop block, 9. Shaft column, 10. Shaft groove, 11. First limiting rib, 12. Second limiting rib, 13. Guide part, 14. Block, 15. Groove, 16. Stop block, 17. Assembly groove, 18. Slot, 19. Slot block, 20. Buckle handle, 21. Limiting rib, 22. Webbing front end, 23. Webbing rear end. Detailed Implementation

[0026] 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 some embodiments of the present utility model, and not all embodiments. 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.

[0027] like Figure 1-7 As shown, a one-way adjustable anti-slip fastener includes a first fastener 1 and a second fastener 2 for fastening a webbing. The ends of the first fastener 1 and the second fastener 2 are rotatably connected. The webbing is wrapped around the first fastener 1 and the second fastener 2 in a U-shape. The first fastener 1 and the second fastener 2 rotate to close and clamp the webbing so that the webbing is not easy to loosen.

[0028] The first buckle 1 is equipped with a movable locking element 3. When the first buckle 1 and the second buckle 2 are closed, the locking element 3 locks the webbing in one direction, allowing the webbing length to be adjusted only in one direction. Users can fine-tune the webbing length during daily use without unlocking it. To adjust in the opposite direction, simply open the first buckle 1 or the second buckle 2 via the handle 20, releasing the locking element 3 from its one-way limit on the webbing. This design is simple to operate and convenient to use, ensuring ease of use in daily life and a good user experience.

[0029] A movable limiting part 4 is provided between the locking member 3 and the first buckle 1. The movable limiting part 4 restricts the rotation of the locking member 3, so that it can only rotate slightly forward and reset, but cannot rotate backward. This allows the webbing to be slightly movable and unlocked after locking, for one-way adjustment. After adjustment, the locking member 3 resets and locks the webbing again.

[0030] The first buckle 1 and the second buckle 2 have an open state and a closed state: In the closed state, the first buckle 1 and the second buckle 2 are fitted together and their ends are engaged, and the webbing is engaged by the locking member 3, and the webbing can be pulled in one direction to adjust the length; In the open state, the first buckle 1 or the second buckle 2 can be manually turned to open it, the locking member 3 releases the restriction on the webbing, and the webbing can be adjusted arbitrarily or removed.

[0031] The movable limiting part 4 includes rotation limiting blocks 5 on both sides of the locking member 3 and limiting grooves 6 that allow the rotation limiting blocks 5 to rotate slightly. The front end of the rotation limiting block 5 is provided with an inclined limiting plane 7, and the rear end is provided with a limiting stop 8. The limiting stop 8 always abuts against the limiting groove 6 to limit the rearward rotation of the locking member 3. When the webbing is pulled upward for unidirectional adjustment, the webbing drives the locking member 3 to rotate slightly, forming a gap that allows the webbing to pass through. As the rotation limiting block 5 rotates slightly with the locking member 3, the maximum rotation distance is reached when the limiting plane 7 is in contact with the side wall of the limiting groove 6, at which point the rotation limiting block 5 can no longer rotate forward.

[0032] The locking member 3 has protruding shaft posts 9 on both sides, and the side walls on both sides of the first fastener 1 have shaft grooves 10 adapted to the shaft posts 9. The locking member 3 can rotate by shaft connection; similarly, the first fastener 1 and the second fastener 2 can also rotate and open and close by shaft connection.

[0033] The locking member 3 is provided with a first limiting rib 11 and a second limiting rib 12. The first limiting rib 11 and the second limiting rib 12 abut against the webbing to ensure the stability of the webbing after the anti-slip buckle is fastened and it is not easy to fall off.

[0034] The locking member 3 is provided with a guide part 13, which includes an inclined surface or an arc. When the webbing is locked and adjusted in one direction, it can move along the guide part 13, which helps to adjust the webbing.

[0035] The lower ends of both sides of the first fastener 1 are provided with arc-shaped protruding blocks 14, and the second fastener 2 is provided with grooves 15 that fit the blocks 14. When the first fastener 1 and the second fastener 2 are closed, the blocks 14 are fastened into the grooves 15, which increases the contact area after the first fastener and the second fastener 2 are closed and increases the connection strength; at the same time, it also plays a lateral limiting role after closing, preventing the first fastener 1 or the second fastener 2 from being pushed laterally after closing and causing damage.

[0036] The second fastener 2 has stops 16 on both sides. The stops 16 on both sides and the second fastener 2 form an assembly groove 17 that is adapted to the outer contour of the first fastener 1. The first fastener 1 is rotatably installed in the assembly groove 17. After closing, the first fastener 2 is located in the assembly groove 17, which can play a protective role and a lateral limiting role for the first fastener to prevent damage.

[0037] The inner wall of the stop block 16 is provided with a slot 18, and the two sides of the opening and closing end of the first fastener 1 are provided with a locking block 19. The locking block 19 is adapted to the slot 18. When the first fastener 1 and the second fastener 2 are closed, the locking block 19 is locked into the slot 18 to achieve fixation.

[0038] The second buckle 2 has a recessed handle 20 at its end, which allows the user to insert their fingers into the handle 20 and swing the first buckle 1 or the second buckle 2 to disengage the locking block 19 from the locking slot 18 and unlock it. After unlocking, the first buckle 1 or the second buckle 2 can rotate freely.

[0039] A one-way adjustable anti-slip fastener includes a first fastener 1 and a second fastener 2 for fastening a webbing. The ends of the first fastener 1 and the second fastener 2 are rotatably connected. The first fastener 1 is provided with a movable locking member 3. After the first fastener 1 and the second fastener 2 are closed, the webbing is locked in one direction by the locking member 3. The user can adjust the length of the webbing without unlocking it during daily use. A limiting rib 21 is provided between the locking member 3 and the first fastener 1. The movement of the locking member 3 is used to adjust the distance between the limiting rib 21 and the second fastener 2. The change in distance is used to hold or release the webbing. The webbing is connected to the locking member 3 of the first fastener 1. The first fastener 1 moves towards the second fastener 2 until it is closed to lock the webbing.

[0040] When the first buckle 1 and the second buckle 2 are locked, the front end 22 of the webbing moves, and the limiting rib 21 on the locking member 3 moves toward the second buckle 2. The distance between the locking member 3 and the first buckle 1 for installing the webbing increases, allowing the webbing to move in one direction. After the first buckle 1 and the second buckle 2 are unlocked, the rear end 23 of the webbing can move, and the limiting rib 21 on the locking member 3 moves away from the second buckle 2. The webbing restriction is released, and the webbing can move toward the rear end.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A one-way adjustable anti-slip fastener, comprising a first fastener and a second fastener for fastening webbing, wherein the ends of the first fastener and the second fastener are rotatably connected, characterized in that, The first buckle (1) is provided with a movable locking member. After the first buckle and the second buckle are closed, the webbing is locked in one direction by the locking member. A movable limiting part is provided between the locking member and the first buckle. The movable limiting part enables one-way adjustment of the webbing after it is locked. The first and second fasteners include an open state and a closed state: In the closed state, the first buckle and the second buckle are fitted together and form a snap-fit, and the webbing is unidirectionally limited by the locking member, and the webbing can be adjusted in one direction. In the open state, the first or second buckle rotates open, and the locking member releases its restriction on the webbing.

2. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The movable limiting part includes rotation limiting blocks on both sides of the locking member and limiting grooves that allow the rotation limiting blocks to rotate slightly.

3. The one-way adjustable anti-slip fastener according to claim 2, characterized in that, One end of the rotating limiting block is provided with an inclined limiting plane, and the other end is provided with a limiting stop. The limiting stop always abuts against the limiting groove. When the rotating limiting block rotates slightly with the locking member, it restricts the locking member from continuing to rotate until the limiting plane is in contact with the side wall of the limiting groove.

4. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The locking member has protruding shaft posts on both sides, and the side walls on both sides of the first fastener have shaft grooves adapted to the shaft posts. The locking member can rotate by shaft connection.

5. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The locking component is provided with a first limiting rib and a second limiting rib.

6. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The locking component is provided with a guide section.

7. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The lower ends of both sides of the first fastener are provided with arc-shaped protruding blocks, and the second fastener is provided with a groove that adapts to the blocks. When the first fastener and the second fastener are closed, the blocks are fastened into the groove.

8. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The second fastener has stops on both sides, and the stops on both sides form an assembly groove with the second fastener that is adapted to the outer contour of the first fastener. The first fastener is rotatably installed in the assembly groove. The inner wall of the stops has a locking groove, and the opening and closing ends of the first fastener have locking blocks on both sides. The locking blocks are adapted to the locking groove. When the first fastener and the second fastener are closed, the locking blocks are engaged in the locking groove to achieve fixation.

9. The one-way adjustable anti-slip fastener according to claim 1, characterized in that, The second fastener has a recessed handle at its end.

10. A one-way adjustable anti-slip fastener, comprising a first fastener and a second fastener for fastening webbing, wherein the ends of the first fastener and the second fastener are rotatably connected, characterized in that, The first buckle is provided with a movable locking member. After the first buckle and the second buckle are closed, the webbing is locked in one direction by the locking member. A limiting rib is provided between the locking member and the first buckle. The distance between the limiting rib and the second buckle is adjusted by the movement of the locking member. The webbing is connected to the locking member of the first buckle. The first buckle moves towards the second buckle until it is closed and locked. The front end of the webbing moves, and the limiting rib on the locking member moves toward the direction of the second buckle to restrict the movement of the webbing; the rear end of the webbing moves, and the limiting rib on the locking member moves away from the second buckle, and the webbing restriction is released, allowing the webbing to move toward the rear end. The locking member is axially connected to the first fastener, and the limiting rib is protruding on the locking member.