Adjustable anti-falling shoe buckle structure

Abstract

The adjustable anti-falling shoe buckle structure comprises an annular shoe buckle body, the outer surface of the annular shoe buckle body is fixedly connected with a connecting plate, the outer surface of the connecting plate is fixedly connected with a first shell with openings in the two sides, the outer surface of the first shell is slidably connected with a second shell with openings in the two sides, and the second shell is fixedly connected with the annular shoe buckle body. The second shell and the first shell are fixed through a limiting mechanism, a tensioning mechanism is arranged in the second shell, the tensioning mechanism can be inserted into a through hole of a shoelace bowknot after rotating through two tensioning shafts which abut against each other, fastening force is continuously applied to the bowknot through elastic pulling force of a second spring, and therefore the shoelace bowknot can be tightened. The shoe buckle structure has the advantages that the shoelace loosening caused by foot movement or friction is avoided, the shoe wearing stability and safety are greatly improved, the position of the second shell can be flexibly adjusted according to the length of the shoelace by arranging the limiting mechanism, and the shoe buckle structure can adapt to the shoelaces with different lengths.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shoe buckle technical field, especially a kind of adjustable anti-falling shoe buckle structure. BACKGROUND

[0002] In daily life, shoes are indispensable to people's daily necessities, and as an important part of shoes, the role of shoe buckle is to ensure that the shoes can be firmly fixed on the feet, to prevent falling during walking, movement and other processes. At present, the common shoe buckle structure on the market is various, among which the shoelace type shoe buckle is a kind of more traditional and widely used one.

[0003] The traditional shoelace type shoe buckle mainly relies on the user to tie shoelace into a bow knot shape to realize the fixation of shoes. However, in the actual use process, the shoelace often comes off, because when the shoelace is tied into a bow knot, the middle part of the shoelace is often in a relaxed state, with the user's activities, the movement of the feet and the friction of the outside, etc. Factors, it is easy to cause the bow knot to gradually loosen, and then the shoelace comes off, affecting the wearing stability and comfort of the shoes, and even may bring safety hazards in the scene of movement. SUMMARY

[0004] The utility model aims at overcoming the problem that shoelace is easy to come off in prior art, and provides a kind of adjustable anti-falling shoe buckle structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following scheme: a kind of adjustable anti-falling shoe buckle structure, including annular shoe buckle main part, the outer surface of the annular shoe buckle main part is fixedly connected with connecting plate, the outer surface of the connecting plate is fixedly connected with the first shell of two side openings, the outer surface of the first shell is slidably connected with the second shell of two side openings, and the second shell and the first shell are fixed between the first shell by limiting mechanism, the inside of the second shell is provided with tensioning mechanism.

[0006] Preferably, the limiting mechanism includes a pull cylinder, the inner top wall of the pull cylinder is fixedly connected with a first spring and a limiting rod, and the other end of the first spring is fixedly connected with the second shell, and the other end of the limiting rod is slidably inserted into the inside of the second shell.

[0007] Preferably, a group of equidistantly arranged limiting holes are opened in the inside of the first shell, and the bottom end of the limiting rod is inserted into the inside of one of the limiting holes.

[0008] Preferably, the tensioning mechanism includes two rectangular frames fixedly connected in the inside of the second shell, a rotating shaft is rotatably installed in the inside of each of the two rectangular frames, a tensioning shaft is fixedly connected to the outer surface of each of the two rotating shafts, and the ends of the two tensioning shafts close to each other abut.

[0009] Preferably, the interior of the second shell is fixedly connected with two support plates, the outer surfaces of the two support plates are fixedly connected with second springs, and the other ends of the two second springs are fixedly connected with the two rectangular frames respectively.

[0010] Preferably, the outer surfaces of the two rotating shafts are fixedly connected with circular rings, the outer surfaces of the two circular rings are fixedly connected with torsion springs, and the other ends of the torsion springs are fixedly connected with the inner walls of the rectangular frames.

[0011] Preferably, a connecting rod is fixedly connected between the two rectangular frames.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a tensioning mechanism passes through two mutually abutting tensioning shafts, can be inserted in the perforation of the shoelace bow after rotating, utilizes the elastic tension of the second spring, and continuously exerts fastening force on the bow, avoids the shoelace loosening caused by the foot movement or friction, and thus greatly improves the stability and safety of wearing shoes.

[0014] 2、The utility model discloses a limiting mechanism, can flexibly adjust the second shell position according to the shoelace length, can make the shoe buckle structure adapt to different length shoelaces, and thus significantly improves the versatility and adaptation range of the device. DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is the utility model's sectional view;

[0017] Fig. 3 It is the schematic view of the second shell and the tensioning mechanism of the utility model;

[0018] Fig. 4 It is the schematic view of the tensioning mechanism of the utility model.

[0019] Label: 1, annular shoe buckle main body;2, connecting plate;3, first shell;4, second shell;5, pull cylinder;6, first spring;7, limiting rod;8, limiting hole;9, rectangular frame;10, second spring;11, support plate;12, rotating shaft;13, tensioning shaft;14, circular ring;15, torsion spring;16, connecting rod. PREFERRED EMBODIMENT

[0020] The utility model will be further explained in detail in connection with the following examples:

[0021] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0022] As shown in the drawings, Figs. 1 to 4 An adjustable anti-falling shoe buckle structure, comprising a ring-shaped shoe buckle body 1, a connecting plate 2 is fixedly connected to the outer surface of the ring-shaped shoe buckle body 1, a first shell 3 with two open sides is fixedly connected to the outer surface of the connecting plate 2, a second shell 4 with two open sides is slidingly connected to the outer surface of the first shell 3, the connecting plate 2 and the first shell 3 are connected by integral injection molding or welding process, ensuring the stability of the structure, the length direction of the first shell 3 and the second shell 4 is consistent with the extension direction of the shoelace, and the shoelace can pass through the first shell 3 and the second shell 4.

[0023] The second shell 4 and the first shell 3 are fixed by a limiting mechanism, which comprises a pull cylinder 5, a first spring 6 and a limiting rod 7 are fixedly connected to the inner top wall of the pull cylinder 5, the other end of the first spring 6 is fixedly connected to the second shell 4, the other end of the limiting rod 7 is slidingly inserted into the interior of the second shell 4, a group of equidistantly arranged limiting holes 8 are formed in the interior of the first shell 3, and the bottom end of the limiting rod 7 is inserted into the interior of one of the limiting holes 8, anti-skid lines are arranged on the outer side of the pull cylinder 5, which facilitates the user to pull with one finger, the limiting holes 8 are evenly distributed along the length direction of the first shell 3, covering the common shoelace length adjustment range.

[0024] When it is necessary to adjust the position of the shell 4, the pull cylinder 5 is pulled upward to drive the limiting rod 7 to disengage from the limiting hole 8, at this time the shell 4 can be slid along the first shell 3 to the desired position, after the pull cylinder 5 is released, the first spring 6 resets to push the limiting rod 7 to insert into the corresponding limiting hole 8, completing the fixation of the shell 4.

[0025] A tensioning mechanism is arranged in the interior of the second shell 4, which comprises two rectangular frames 9 fixedly and slidingly connected in the interior of the second shell 4, a rotating shaft 12 is rotatably installed in the interior of each of the two rectangular frames 9, a tensioning shaft 13 is fixedly connected to the outer surface of each of the two rotating shafts 12, and the ends of the two tensioning shafts 13 close to each other abut against each other, two supporting plates 11 are fixedly connected in the interior of the second shell 4, a second spring 10 is fixedly connected to the outer surface of each of the two supporting plates 11, the other end of each of the two second springs 10 is fixedly connected to the corresponding rectangular frame 9, a circular ring 14 is fixedly connected to the outer surface of each of the two rotating shafts 12, a torsional spring 15 is fixedly connected to the outer surface of each of the two circular rings 14, and the other end of the torsional spring 15 is fixedly connected to the inner wall of the rectangular frame 9. The torsional spring 15 keeps the rotating shaft 12 in a locked position perpendicular to the direction of the shoelace in the initial state.

[0026] A connecting rod 16 is fixedly connected between the two rectangular frames 9, which ensures that the two rectangular frames 9 move synchronously.

[0027] In use, firstly, the shoelace is threaded through the annular shoe buckle body 1, the first shell 3 and the second shell 4 in turn, tied into a conventional bow, then the connecting rod 16 is pulled in the direction of the shoelace, the two rectangular frames 9 are driven by the connecting rod 16 to move in the direction of the shoelace against the elastic force of the second spring 10, then the two tensioning shafts 13 are separated and the bow hole is arranged between the two tensioning shafts 13, and it is ensured that the two tensioning shafts 13 can be inserted into the bow hole after resetting, finally, the connecting rod 16 is loosened, the second spring 10 resets to drive the rectangular frame 9 and the tensioning shaft 13 to move away from the shoelace, so that the two tensioning shafts 13 can tighten the bow hole, the shoelace is fixed through the continuous elastic tension, and the shoelace is prevented from loosening.

[0028] The utility model is described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. An adjustable anti -slip shoe fastening structure, characterized in that, The utility model relates to a kind of ring-shaped shoelace main body (1), the outer surface of the ring-shaped shoelace main body (1) is fixedly connected with connecting plate (2), the outer surface of the connecting plate (2) is fixedly connected with two sides open first shell (3), the outer surface of the first shell (3) is slidably connected with two sides open second shell (4), and second shell (4) and first shell (3) are fixed between by limiting mechanism, the inside of the second shell (4) is provided with tensioning mechanism.

2. The adjustable anti-slip shoe fastening structure according to claim 1, wherein, The limiting mechanism includes pull cylinder (5), the inner top wall of the pull cylinder (5) is fixedly connected with first spring (6) and limiting rod (7), and the other end of first spring (6) is fixedly connected with second shell (4), the other end of limiting rod (7) is slidably inserted in the inside of second shell (4).

3. The adjustable anti-slip shoe fastening structure according to claim 2, wherein, The inside of the first shell (3) is provided with a group of equidistance arranged limiting holes (8), and the bottom end of limiting rod (7) is inserted in the inside of one limiting hole (8).

4. The adjustable anti-slip shoe fastening structure according to claim 1, wherein, The tensioning mechanism includes two rectangular frames (9) fixedly slidably connected in the inside of second shell (4), the inside of two rectangular frames (9) is rotatably installed with rotating shaft (12), the outer surface of two rotating shafts (12) is fixedly connected with tensioning shaft (13), and the end of two tensioning shafts (13) close to each other abuts.

5. The adjustable anti-slip shoe fastening structure according to claim 4, wherein, The inside of the second shell (4) is fixedly connected with two support plates (11), the outer surface of two support plates (11) is fixedly connected with second spring (10), and the other end of two second springs (10) is fixedly connected with two rectangular frames (9) respectively.

6. The adjustable anti-slip shoe fastening structure according to claim 4, wherein, The outer surface of two rotating shafts (12) is fixedly connected with circular ring (14), the outer surface of two circular rings (14) is fixedly connected with torsion spring (15), and the other end of torsion spring (15) is fixedly connected with the inner wall of rectangular frame (9).

7. The adjustable anti-slip shoe fastening structure according to claim 4, wherein, Two rectangular frames (9) are fixedly connected with connecting rod (16).

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