Quick cover turning type buckle

Abstract

The utility model discloses a quick flip type fastener, which comprises a fastener main body, a hook and a quick locking device, the tail end of the hook is provided with an opening and is connected with the fastener main body, the quick locking device comprises a connecting shaft, a locking piece and a flip, the flip is hinged to the fastener main body through the connecting shaft, the flip can turn around the connecting shaft, and the locking piece is connected with the flip. The opening state and the closing state are achieved, a locking piece extends out of the edge of the turning cover, and the locking piece and the hook form releasable clamping connection. Through the clamping design of the hinged turning cover and the locking piece and the combination of the anti-skid lines, the weight-reducing hollow window, the guide groove and other structures, the problems that an existing buckle is prone to loosening and poor in safety are solved, and the buckle has the advantages of being simple in structure, convenient and fast to operate, high in stability and the like.

Description

Technical Field

[0001] This utility model relates to the field of backpack buckle technology, specifically a quick-flip buckle. Background Technology

[0002] Existing quick-release buckles typically use a single hook structure. When the backpack is subjected to external forces (such as shaking or pulling), the hook is prone to loosening or even detaching, causing the buckle to open unexpectedly and posing a risk of items falling out. Furthermore, the exposed hook tip can easily snag clothing or hair, creating a safety hazard. Therefore, there is an urgent need for a buckle that is simple in structure, easy to operate, and can effectively improve connection stability and security. Utility Model Content

[0003] To address the problems of loosening and insufficient security in existing backpack buckles, this invention provides a quick-release flap buckle. It achieves a stable connection through a flap-type locking device and reduces the risk of snagging by covering the hook body. The structure is simple and the operation is convenient. The preferred technical solution of this invention achieves numerous beneficial technical effects, which are described in detail below.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] This utility model discloses a quick-release flip-top fastener, comprising a fastener body, a hook, and a quick-locking device. The hook has an opening at its end and is connected to the fastener body. The quick-locking device includes a connecting shaft, a locking element, and a flip-top hinged to the fastener body via the connecting shaft. The flip-top can rotate around the connecting shaft to achieve two states: open and closed. The locking element extends from the edge of the flip-top, and the locking element forms a releaseable snap-fit ​​with the hook.

[0006] As a preferred technical solution, the two sides of the flip cover extend outwards to form locking wing-shaped parts, and the locking parts are provided with track-type locking positions that cooperate with the hooks to slide into.

[0007] As a preferred technical solution, the anti-slip texture on the inner side of the locking member is a diamond-shaped grid structure, and the opening is "L"-shaped and forms an interference fit with the locking member.

[0008] As a preferred technical solution, the surface of the connecting shaft has 4-6 transverse grooves evenly distributed along the axial direction, and the depth of the grooves is 1-2mm.

[0009] As a preferred technical solution, the connecting shaft is provided with a weight-reducing hollow window at a position offset from the lateral slot, and the weight-reducing hollow window is elongated and extends through the connecting shaft.

[0010] As a preferred technical solution, the quick locking device further includes a webbing bridging shaft located between the connecting shaft and the hook. The webbing bridging shaft connects to the two side walls of the buckle body to form a rigid support structure. The webbing bridging shaft and the connecting shaft cooperate with each other and are movably snapped together.

[0011] As a preferred technical solution, the back of the webbing bridging shaft is designed with an axially evenly distributed alternating square concave-convex structure, and the position of the flip cover corresponding to the webbing bridging shaft is provided with equidistantly distributed anti-slip protrusions.

[0012] As a preferred technical solution, the buckle body is provided with a concave guide groove in the opening direction, and the entrance of the guide groove is provided with a 30°-45° chamfer. When the flip cover covers the hook body, its edge extends 1-2mm beyond the hook tip.

[0013] As a preferred technical solution, the top of the flip cover is provided with a hollowed-out trapezoidal groove.

[0014] As a preferred technical solution, the buckle body, flap and hook are integrally injection molded from plastic.

[0015] The quick-flip fastener provided by this utility model has the following beneficial technical effects:

[0016] (1) Improved stability: The flap covers the hook body, and the locking parts and hooks are snapped together to effectively prevent loosening;

[0017] (2) Enhanced safety: Covered hook tip reduces the risk of snagging, and diamond-shaped anti-slip texture improves locking reliability;

[0018] (3) Lightweight and durable: The weight-reducing hollow window, horizontal slot and one-piece injection molding process achieve lightweight and high strength;

[0019] (4) Easy to operate: The guide groove and slot are ergonomically designed, and can be opened and closed with one hand. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a front structural diagram of a quick-opening buckle according to the present invention;

[0022] Figure 2 This is a schematic diagram of the back structure of a quick-opening buckle according to the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of a quick-opening flip-top fastener of this utility model when the flip-top is opened;

[0024] Figure 4 This is another structural diagram of the quick-opening flip-top fastener of this utility model when the flip-top is opened.

[0025] The markings in the diagram are as follows: 0, opening; 1, buckle body; 2, hook; 4, connecting shaft; 5, locking element; 6, slot; 7, weight-reducing perforated window; 8, webbing bridging shaft; 9, anti-slip protrusions; 10, guide groove; 11, trapezoidal groove. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] Reference Figures 1 to 4 A quick-release flip-top fastener includes a fastener body 1, a hook 2, and a quick-locking device. The hook 2 has an opening 0 at its end and is connected to the fastener body 1. The quick-locking device includes a connecting shaft 4, a locking element 5, and a flip-top 3 hinged to the fastener body 1 via the connecting shaft 4. The flip-top 3 can be flipped around the connecting shaft 4 to achieve two states: open and closed. The locking element 5 extends from the edge of the flip-top 3 and forms a releasable snap-fit ​​with the hook 2.

[0028] In this embodiment, a quick-release buckle has a flap 3 on its hook 2, which is hinged to the buckle body 1 and can be flipped around a connecting shaft 4 to achieve both open and closed states. When the buckle is needed, the flap 3 is flipped upwards to expose the opening of the hook 2 for connection with the backpack webbing / buckle. After connection, the flap 3 is flipped downwards to cover the hook body of the hook 2, thus enclosing the connection between the hook 2 and the buckle and effectively preventing the hook 2 from loosening due to external forces.

[0029] Preferably, the two sides of the flip cover 3 extend outward to form locking wing-shaped parts 5, and the locking parts 5 are provided with track-type locking positions for the hooks 2 to slide into.

[0030] To optimize the locking structure, the two sides of the flip cover 3 extend outwards to form wing-shaped locking parts 5. The locking parts 5 are equipped with track-type locking positions, which facilitates the sliding of the hook 2 into the locking mechanism.

[0031] Preferably, the anti-slip texture on the inner side of the locking member 5 is a diamond-shaped grid structure, and the opening 0 is "L"-shaped and forms an interference fit with the locking member 5.

[0032] To enhance safety, the anti-slip design is implemented. Flip the flap 3 upwards, insert the hook 2 into the backpack webbing / buckle, and then close the flap 3 downwards. The track-type locking piece 5 is interference-fitted with the "L"-shaped opening 0 of the hook 2, and the diamond-shaped anti-slip texture further prevents slippage.

[0033] Preferably, the surface of the connecting shaft 4 has 4-6 transverse grooves 6 evenly distributed along the axial direction, and the depth of the grooves 6 is 1-2mm.

[0034] Preferably, the connecting shaft 4 is provided with a weight-reducing perforated window 7 at a position offset from the transverse slot 6, and the weight-reducing perforated window 7 is elongated and extends through the connecting shaft 4.

[0035] To achieve a lightweight structure, the transverse slot 6 and the connecting shaft 4 are provided with slender weight-reducing perforated windows 7 to reduce the overall weight.

[0036] Preferably, the quick locking device further includes a webbing bridging shaft 8 located between the connecting shaft 4 and the hook 2. The webbing bridging shaft 8 connects to the two side walls of the buckle body 1 to form a rigid support structure. The webbing bridging shaft 8 and the connecting shaft 4 cooperate with each other and are in a movable snap-fit ​​connection.

[0037] To achieve enhanced support: a webbing bridging shaft 8 is added to connect the two side walls of the main body 1 of the fastener, and is movably engaged with the connecting shaft 4 to form a rigid support structure.

[0038] Preferably, the back of the webbing bridging shaft 8 is designed with an axially evenly distributed alternating square concave-convex structure, and the position of the flip cover corresponding to the webbing bridging shaft 8 is provided with equidistantly distributed anti-slip protrusions 9.

[0039] To enable applications in high-intensity scenarios, the transverse groove 6 of the connecting shaft 4 engages with the webbing bridging shaft 8 to ensure stability when the flap 3 is opened and closed. For high-intensity scenarios such as hiking backpacks, the webbing bridging shaft 8 is equipped with anti-slip protrusions 9 to improve the webbing's securing effect.

[0040] Preferably, the buckle body 1 has a concave guide groove 10 in the opening direction, and the entrance of the guide groove 10 has a 30°-45° chamfer. When the flip cover 3 covers the hook body of the hook 2, its edge extends 1-2mm beyond the hook tip of the hook 2.

[0041] Preferably, the top of the flip cover 3 is provided with a hollowed-out trapezoidal groove 11.

[0042] To facilitate operation, when the flip cover 3 covers the hook 2, its edge extends 1-2mm beyond the hook tip. The entrance of the concave guide groove 10 is chamfered at 30°-45° to facilitate one-handed operation. The trapezoidal groove 11 on the top of the flip cover 3 facilitates opening and closing with the fingers.

[0043] Preferably, the buckle body 1, the flip cover 3, and the hook 2 are integrally injection molded from plastic.

[0044] To enhance practicality in daily life, this quick-release buckle is made of high-quality plastic, possessing a certain degree of flexibility and strength, capable of withstanding minor impacts and pulls during daily use.

[0045] The effects achieved by this utility model are:

[0046] (i) Improve connection stability The combination of the flip-top cover and the locking mechanism can effectively prevent the hook from loosening, so that the buckle maintains a stable connection during backpack use and avoids problems caused by accidental opening of the buckle.

[0047] (ii) Enhanced safety in use By covering the hook body, direct contact between the hook and external objects is reduced, thereby lowering the risk of the hook getting caught on clothing, hair, or other items and improving safety during use;

[0048] (iii) Simple structure and easy operation. The flip-top lid has a simple and clear design. Users can open and close the lid without complicated operations. At the same time, the locking mechanism will not increase the difficulty of use and is in line with the principles of ergonomics.

[0049] (iv) Wide range of applications: This product is suitable for various types of backpacks, including double-shoulder backpacks, single-shoulder backpacks, mountaineering backpacks, etc., and can meet the needs of different users in daily travel, tourism, sports and other scenarios.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-flap fastener comprising a fastener body (1), a hook (2) having an opening (0) at the end thereof and connected to the fastener body (1), and a quick locking device, characterized in that, The quick locking device comprises a connecting shaft (4), a locking piece (5) and a flip cover (3) hinged to the buckle body (1) through the connecting shaft (4), the flip cover (3) can be flipped around the connecting shaft (4) to realize the opening and closing states, the flip cover (3) extends the locking piece (5) at the edge, and the locking piece (5) forms a releasable clamping with the hook (2).

2. The quick-flap buckle of claim 1, wherein, The two side edges of the flip cover (3) extend outwardly to form the locking piece (5) in the shape of a clamping wing, and the locking piece (5) is provided with a track type clamping position matched with the sliding of the hook (2).

3. The quick-flap buckle of claim 2, wherein, The anti-skid lines on the inner side of the locking piece (5) are in the form of a diamond grid structure, the opening (0) is in the form of an "L" and forms an interference fit with the locking piece (5).

4. The quick-flap buckle of claim 1, wherein, The connecting shaft (4) is uniformly distributed with 4-6 transverse clamping grooves (6) on the surface in the axial direction, and the depth of the clamping groove (6) is 1-2 mm.

5. The quick-flap buckle of claim 1, wherein, The connecting shaft (4) is provided with a weight-reducing hollow window (7) at a position deviated from the transverse clamping groove (6), and the weight-reducing hollow window (7) is in the form of an elongated shape penetrating through the connecting shaft (4).

6. The quick-flap buckle of claim 1, wherein, The quick locking device further comprises a webbing bridging shaft (8) between the connecting shaft (4) and the hook (2), the webbing bridging shaft (8) connects the two side walls of the buckle body (1) to form a rigid support structure, and the webbing bridging shaft (8) is movably clamped with the connecting shaft (4).

7. The quick-flap buckle of claim 6, wherein, The back surface of the webbing bridging shaft (8) is designed as an axial uniform distribution of alternating square concave-convex structures, and the webbing bridging shaft (8) is provided with equidistantly distributed anti-skid convex particles (9) corresponding to the position of the flip cover.

8. The quick-flap buckle of claim 1, wherein, The buckle body (1) is provided with an inner recessed guide groove (10) in the opening direction, the guide groove (10) is provided with a 30°-45° chamfer at the entrance, and when the hook body of the hook (2) is covered by the flip cover (3), the edge thereof exceeds the hook tip portion of the hook (2) by 1-2 mm.

9. The quick-flap buckle of claim 1, wherein, The top of the flip cover (3) is provided with a hollow ladder-shaped groove (11).

10. The quick-flap buckle of claim 1, wherein, The buckle body (1), the flip cover (3) and the hook (2) are integrally injection molded by plastic.

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