Plug-in type elastic locking shoelace buckle

Abstract

The utility model provides a plug-in type elastic locking shoelace buckle, which belongs to the technical field of shoelace buckles, and comprises a female buckle, a male buckle, a first locking block, a second locking block, a third locking block, a fourth locking block and a fifth locking block, and the first locking block is arranged on the male buckle and provided with a locking groove; the locking groove is formed in the female buckle, and the first locking block can be inserted into the locking groove; the second locking block comprises a rotating end, a locking block end and an operating end, the locking block end and the operating end are located at the two ends of the rotating end, the rotating end is hinged to the female buckle, the locking block end is arranged at the end close to the first locking block, and the operating end is arranged at the end away from the first locking block; the spring is arranged between the operation end and the inner wall of the locking groove, and when the first locking block is inserted into the locking groove, the locking block end and the locking groove form locking fit under the action of the spring; according to the utility model, as long as the male buckle is connected with the female buckle in an inserted manner, constant pressure can be provided for the locking block end under the action of the spring, so that stable and reliable locking fit with the locking groove is formed, and the operation process of a user is greatly simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of shoelace buckles, in particular to a plug-in elastic locking shoelace buckle. Background Art

[0002] Traditional shoes with laces are long, cumbersome, and prone to loosening. Lacing can also cause people to trip over the laces while walking, and the complicated operation makes them difficult to use, especially for children and the elderly.

[0003] In the prior art, shoelace buckles are usually used instead of shoelaces. For example, patent publication number CN215532084U discloses an improved magnetic shoelace buckle. In this structure, buckles with magnetic attraction are provided at both ends of the shoelaces for magnetic connection. Although this structure can achieve quick untying of shoelaces, since it relies solely on magnetic force to maintain the buckled state, the magnetic buckle structure may separate from each other due to external force or vibration when walking or exercising, causing the shoelaces to loosen. This is particularly unsuitable for use during intense exercise. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a plug-in elastic locking shoelace buckle.

[0005] The technical solution adopted by the utility model is as follows: a plug-in elastic locking shoelace buckle, including a female buckle and a male buckle, and also includes:

[0006] a first locking block, the first locking block being arranged on the male buckle and having a locking groove thereon;

[0007] A locking slot, which is provided on the female buckle and into which the first locking block can be inserted;

[0008] A second locking block, comprising a rotating end and a locking block end and an operating end located at both ends of the rotating end, the rotating end being hinged to the female buckle, the locking block end being arranged at an end close to the first locking block, and the operating end being arranged at an end away from the first locking block;

[0009] A spring is provided between the operating end and the inner wall of the locking slot. When the first locking block is inserted into the locking slot, under the action of the spring, the locking block end forms a locking fit with the locking slot.

[0010] In some embodiments, the locking slot includes a front opening and a side opening. The front opening is arranged along the length direction of the shoelace and can be used for inserting the first locking block. The side opening passes through one side of the female buckle along the width direction of the shoelace, and the rotating end is hinged in the side opening.

[0011] In some embodiments, a pressing portion is provided on the side of the operating end away from the locking slot, and the pressing portion is a plurality of convex strips arranged at intervals. The pressing portion has a first position when the locking block end forms a locking fit with the locking slot and a second position when the first locking block exits the locking slot. The pressing portion at least partially extends out of the side opening during the switching process between the first position and the second position.

[0012] In some embodiments, a limiting protrusion is provided on the inner wall of the lock slot near the front opening, and the limiting protrusion includes a first limiting end surface and a second limiting end surface, the first limiting end surface is located on the rotation path of the locking block end, the first locking block is provided with a limiting step, and the second limiting end surface is provided on the moving path of the limiting step;

[0013] When the first locking block exits the locking slot, the first limiting end surface abuts against the locking block end; when the first locking block is inserted into the locking slot, the second limiting end surface abuts against the limiting step.

[0014] In some embodiments, a first spring positioning structure is provided on the operating end corresponding to the spring, and a second spring positioning structure is provided on the inner wall of the lock slot corresponding to the spring.

[0015] In some embodiments, the locking groove is arranged at the upper part of the first locking block, and a stabilizing protrusion is provided at the lower part of the first locking block along its insertion direction. When the locking block end forms a locking fit with the locking groove, the lower end face of the stabilizing protrusion abuts against the inner wall of the locking groove.

[0016] In some embodiments, the stabilizing protrusion gradually tilts toward the spring from the upper side to the lower side.

[0017] In some embodiments, a locking portion is protruded from the locking block end toward the locking groove, and a first guide surface is provided on the front side of the locking portion at least in the insertion direction of the first locking block, and a second guide surface is provided on the locking groove corresponding to the first guide surface.

[0018] In some embodiments, both the female buckle and the male buckle are provided with a shoelace fixing structure, and the shoelace fixing structure includes a shoelace groove and a locking plate, the shoelace groove includes a first opening opened along the length direction of the shoelace and a second opening opened along the thickness direction of the shoelace and backward, and the locking plate is L-shaped, which includes a corner portion, a first plate portion and a second plate portion, and the corner portion is hinged at the junction of the first opening and the second opening, the first plate portion is provided with a plurality of conical protrusions toward the first opening, and the second plate portion is provided toward the second opening, and a limiting ridge is provided on the rotation path of the second plate portion in the shoelace groove, and the limiting ridge is used to limit the rotation angle of the second plate portion, and a prying portion is provided near the end on the first plate portion and the second plate portion.

[0019] In some embodiments, a limiting beam is provided at the transition between the main opening and the side opening, a limiting groove portion is provided on the limiting beam toward the second locking block, and a limiting protrusion portion adapted to the limiting groove portion is provided at the front end of the locking block end. Under the action of the spring, the limiting protrusion portion abuts against the limiting groove portion.

[0020] The beneficial effects of the present invention are as follows: in the present invention, only the male buckle and the female buckle need to be plugged in. Under the action of the spring, constant pressure can be provided to the locking block end, thereby forming a stable and reliable locking fit with the locking groove, and greatly simplifying the user's operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still fall within the scope of the present invention.

[0022] Figure 1 Schematic diagram of the male buckle and female buckle in embodiment 1 being fastened together Figure 1 ;

[0023] Figure 2 A cross-sectional view of the male buckle and the female buckle in embodiment 1 when fastened together Figure 1 ;

[0024] Figure 3 Schematic diagram of the male buckle and the female buckle being unfastened in Example 1;

[0025] Figure 4 It is a cross-sectional view of the male buckle and the female buckle in Example 1 when they are unfastened;

[0026] Figure 5 This is a partial structural diagram of the female buckle in Example 1;

[0027] Figure 6 A cross-sectional view of the male buckle and the female buckle in embodiment 1 when fastened together Figure 2 ;

[0028] Figure 7 1. It is an exploded view of the male buckle in Example 1;

[0029] Figure 8 Schematic diagram of the male buckle and female buckle in embodiment 1 being fastened together Figure 2 ;

[0030] Figure 9 It is a partial schematic diagram of the male buckle and the female buckle when they are fastened together in the second embodiment. DETAILED DESCRIPTION

[0031] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0032] In the description of this application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting this application. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0033] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0034] In the description of this application, it should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for the purpose of distinguishing two non-identical entities with the same name or non-identical parameters. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. Subsequent embodiments will not explain this one by one.

[0035] Example 1:

[0036] like Figures 1 to 8As shown, a plug-in elastic locking shoelace buckle includes a female buckle 1 and a male buckle 2, and also includes: a first locking block 3, the first locking block 3 is arranged on the male buckle 2, and is provided with a locking groove 31; a locking groove 4, the locking groove 4 is arranged on the female buckle 1, and can be inserted into the first locking block 3; a second locking block 5, the second locking block 5 includes a rotating end 51 and a locking block end 52 and an operating end 53 located at both ends of the rotating end 51, the rotating end 51 is hinged to the female buckle 1, the locking block end 52 is arranged at one end close to the first locking block 3, and the operating end The operating end 53 is arranged at the end away from the first locking block 3; the spring 6 is arranged between the operating end 53 and the inner wall of the locking groove 4. The spring 6 adopts a compression spring. When the first locking block 3 is inserted into the locking groove 4, under the action of the spring 6, the locking block end 52 forms a locking fit with the locking groove 31. When in use, it is only necessary to plug the male buckle 2 and the female buckle 1. Under the action of the spring 6, a constant pressure can be provided for the locking block end 52, thereby forming a stable and reliable locking fit with the locking groove 31, and greatly simplifying the user's operation process.

[0037] Furthermore, the locking slot 4 includes a front opening 41 and a side opening 42. The front opening 41 is arranged along the length direction of the shoelace and can be used for inserting the first locking block 3. The side opening 42 passes through one side of the female buckle 1 along the width direction of the shoelace, and can pass through the upper side or the lower side of the female buckle 1. The rotating end 51 is hinged in the side opening 42, so that the operating end 53 is located on the side of the female buckle 1, reducing the chance of unlocking due to accidental touch, and making it more convenient to press to unlock.

[0038] Furthermore, a pressing portion 531 is provided on the side of the operating end 53 away from the lock slot 4. The pressing portion 531 is a plurality of convex strips arranged at intervals, wherein the convex strips are ridge-shaped and have arc-shaped tops, or a plurality of the convex strips are wavy.

[0039] The pressing portion 531 has a first position in which the locking block end 52 forms a locking fit with the locking groove 31 and a second position in which the first locking block 3 exits the locking groove 4. The pressing portion 531 at least partially extends out of the side opening 42 when in the first position and the second position during the switching process between the first position and the second position. In this way, the pressing portion 531 can be easily operated regardless of whether the buckle is being fastened or unfastened, thereby improving the efficiency of the fastening and unfastening.

[0040] Furthermore, if Figure 4 and Figure 5As shown, a limiting protrusion 43 is provided on the inner wall of the lock groove 4 near the main opening 41, and the limiting protrusion 43 includes a first limiting end face 431 and a second limiting end face 432. The first limiting end face 431 is located on the rotation path of the lock block end 52, and a limiting step 301 is provided on the first lock block 3. When the first lock block 3 exits the lock groove 4, the first limiting end face 431 abuts against the lock block end 52 to prevent the lock block end 52 from excessive rotation, and the second limiting end face 432 is provided on the moving path of the limiting step 301; when the first lock block 3 is inserted into the lock groove 4, the second limiting end face 432 abuts against the limiting step 301, so that when the male buckle 2 and the female buckle 1 are plugged in, it can ensure that the first lock block 3 is correctly positioned in the lock groove 4, and ensure that the lock block end 52 and the lock groove 31 are smoothly locked.

[0041] Furthermore, a first spring positioning structure 61 is provided on the operating end 53 corresponding to the spring 6 , and a second spring positioning structure 62 is provided on the inner wall of the lock slot 4 corresponding to the spring 6 . The spring positioning structure can be a positioning column or a positioning slot adapted to the spring 6 .

[0042] Furthermore, the locking groove 31 is provided at the upper portion of the first locking block 3, and a stabilizing protrusion 32 is provided at the lower portion of the first locking block 3 along its insertion direction. Providing this protrusion only at the lower portion can reduce the material used for the first locking block 3. When the locking block end 52 forms a locked engagement with the locking groove 31, the lower end surface of the stabilizing protrusion 32 abuts against the inner wall of the locking groove 4, significantly improving the stability of the entire locking structure in the locked state. Specifically, the stabilizing protrusion 32 not only increases the contact area between the locking buckles, but also improves the locking structure's ability to withstand tension and shear forces. This makes the shoelace buckle more robust and less likely to come loose when subjected to pulling or lateral forces, such as when the male buckle 2 is pulled up and down relative to the female buckle 1.

[0043] The stabilizing protrusion 32 is gradually inclined toward the spring 6 from the upper side to the lower side, which can further reduce the material used for the first locking block 3 without affecting the connection strength of the lock.

[0044] Furthermore, a locking portion 521 is protruded from the locking block end 52 toward the locking groove 31, and a first guide surface 5211 is provided on the front side of the locking portion 521 at least in the insertion direction of the first locking block 3, and a second guide surface 311 is provided on the locking groove 31 corresponding to the first guide surface 5211, so that the first locking block 3 can be inserted into the locking groove 4 more smoothly.

[0045] Furthermore, both the female buckle 1 and the male buckle 2 are provided with a shoelace fixing structure, and the shoelace fixing structure includes a shoelace groove 7 and a locking plate 8. The shoelace groove 7 includes a first opening 71 opened along the length direction of the shoelace and a second opening 72 opened along the thickness direction of the shoelace and backward. The locking plate 8 is L-shaped, which includes a corner portion 81, a first plate portion 82 and a second plate portion 83. The corner portion 81 is hinged at the junction of the first opening 71 and the second opening 72. The first plate portion 82 is provided with a plurality of conical protrusions 821 facing the first opening 71, and the second plate portion 83 is provided toward the second opening 72. A limiting ridge 73 is provided on the rotation path of the second plate portion 83 in the shoelace groove 7. The limiting ridge 73 is used to limit the rotation angle of the second plate portion 83, so that it can be quickly connected to the shoelace, thereby improving the practicality of the shoelace buckle.

[0046] Furthermore, the first plate portion 82 and the second plate portion 83 are both provided with a prying portion 84 near the end, so that the female buckle 1 and the male buckle 2 are more convenient to connect with the shoelaces.

[0047] Example 2:

[0048] like Figure 9 As shown, the only difference between this embodiment and the first embodiment is that a limiting beam 400 is provided at the transition between the main opening 41 and the side opening 42, and a limiting groove portion 401 is provided on the limiting beam 400 toward the second locking block 5, and a limiting protrusion portion 520 adapted to the limiting groove portion 401 is provided at the front end of the locking block end 52. Under the action of the spring 6, the limiting protrusion portion 520 abuts against the limiting groove portion 401 and does not affect the locking of the locking block end 52 and the locking groove 31. In this way, the locking block end 52 is limited to be pressed downward by the limiting beam 400, and when the male buckle and the female buckle are plugged in, there is no need to press the pressing portion 531 to lift the locking block end 52.

[0049] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A plug-in elastic locking shoelace buckle, comprising a female buckle (1) and a male buckle (2), characterized in that: Also included are: A first locking block (3), the first locking block (3) being arranged on the male buckle (2) and having a locking groove (31); A locking slot (4), the locking slot (4) being provided on the female buckle (1) and capable of receiving the first locking block (3); A second locking block (5), the second locking block (5) comprising a rotating end (51) and a locking block end (52) and an operating end (53) located at both ends of the rotating end (51), the rotating end (51) being hinged to the female buckle (1), the locking block end (52) being arranged at an end close to the first locking block (3), and the operating end (53) being arranged at an end away from the first locking block (3); A spring (6) is provided between the operating end (53) and the inner wall of the locking groove (4); when the first locking block (3) is inserted into the locking groove (4), under the action of the spring (6), the locking block end (52) and the locking groove (31) form a locking fit.

2. The plug-in elastic locking shoelace buckle according to claim 1, characterized in that: The locking slot (4) comprises a front opening (41) and a side opening (42); the front opening (41) is arranged along the length direction of the shoelace and can be used for inserting the first locking block (3); the side opening (42) passes through one side of the female buckle (1) along the width direction of the shoelace; and the rotating end (51) is hinged in the side opening (42).

3. The plug-in elastic locking shoelace buckle according to claim 2, characterized in that: A pressing portion (531) is provided on a side of the operating end (53) away from the locking groove (4), and the pressing portion (531) is a plurality of convex strips arranged at intervals. The pressing portion (531) has a first position in which the locking block end (52) forms a locking fit with the locking groove (31) and a second position in which the first locking block (3) exits the locking groove (4). The pressing portion (531) at least partially extends out of the side opening (42) during the switching process between the first position and the second position.

4. The plug-in elastic locking shoelace buckle according to claim 2 or 3, characterized in that: A limiting protrusion (43) is provided on the inner wall of the locking groove (4) near the main opening (41), and the limiting protrusion (43) includes a first limiting end face (431) and a second limiting end face (432), the first limiting end face (431) is located on the rotation path of the locking block end (52), a limiting step (301) is provided on the first locking block (3), and the second limiting end face (432) is provided on the moving path of the limiting step (301); When the first locking block (3) exits the locking slot (4), the first limiting end face (431) abuts against the locking block end (52); when the first locking block (3) is inserted into the locking slot (4), the second limiting end face (432) abuts against the limiting step (301).

5. The plug-in elastic locking shoelace buckle according to claim 1, characterized in that: A first spring positioning structure (61) is provided on the operating end (53) corresponding to the spring (6), and a second spring positioning structure (62) is provided on the inner wall of the locking slot (4) corresponding to the spring (6).

6. The plug-in elastic locking shoelace buckle according to claim 1, characterized in that: The locking groove (31) is provided at the upper portion of the first locking block (3); a stabilizing protrusion (32) is provided at the lower portion of the first locking block (3) along its insertion direction; when the locking block end (52) forms a locking fit with the locking groove (31), the lower end surface of the stabilizing protrusion (32) abuts against the inner wall of the locking groove (4).

7. The plug-in elastic locking shoelace buckle according to claim 6, characterized in that: The stabilizing protrusion (32) gradually tilts toward the spring (6) from the upper side to the lower side.

8. The plug-in elastic locking shoelace buckle according to claim 1, characterized in that: The locking block end (52) is provided with a locking portion (521) protruding toward the locking groove (31); the locking portion (521) is provided with a first guide surface (5211) at least on the front side in the insertion direction of the first locking block (3); and the locking groove (31) is provided with a second guide surface (311) corresponding to the first guide surface (5211).

9. The plug-in elastic locking shoelace buckle according to claim 1, characterized in that: The female buckle (1) and the male buckle (2) are both provided with a shoelace fixing structure, the shoelace fixing structure comprising a shoelace groove (7) and a locking plate (8), the shoelace groove (7) comprising a first opening (71) opened along the length direction of the shoelace and a second opening (72) opened along the thickness direction of the shoelace and backward, the locking plate (8) being L-shaped, comprising a corner portion (81), a first plate portion (82) and a second plate portion (83), the corner portion (81) being hinged to the first opening (71) and the second opening (72). At the junction of the first plate portion (82) and the second plate portion (83), a plurality of conical protrusions (821) are provided on the first opening (71), and the second plate portion (83) is provided on the second opening (72). A limiting convex strip (73) is provided on the rotation path of the second plate portion (83) in the shoelace groove (7). The limiting convex strip (73) is used to limit the rotation angle of the second plate portion (83). A prying portion (84) is provided near the end of each of the first plate portion (82) and the second plate portion (83).

10. The plug-in elastic locking shoelace buckle according to claim 2, characterized in that: A limiting beam (400) is provided at the transition between the front opening (41) and the side opening (42); a limiting groove portion (401) is provided on the limiting beam (400) toward the second locking block (5); a limiting protrusion portion (520) adapted to the limiting groove portion (401) is provided at the front end of the locking block end (52); and under the action of the spring (6), the limiting protrusion portion (520) abuts against the limiting groove portion (401).

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