Self-locking shoelace quick tightening device

Abstract

The utility model relates to a self-locking shoelace quick fastening device, and belongs to the technical field of shoe and clothing accessories. The shoelace tying device solves the problems that a traditional shoelace tying mode is difficult for people with limited bodies to complete shoelace tying, and the shoelace is prone to loosening in the using process. Comprising an upper panel, a lower bottom plate, wrapping posts and limiting posts, and the upper panel and the lower bottom plate are connected through at least two wrapping posts and at least two limiting posts; a passage for a shoelace to pass through is arranged between the upper panel and the lower bottom plate; the winding post 3 is used for winding a shoelace penetrating through the passage; a first limiting surface is arranged on the rear end surface of the limiting column and is used for locking the shoelace penetrating through the passage. The shoelace locking device is used for locking a shoelace, and the tying difficulty of the shoelace can be greatly simplified. A one-step fastening and one-step loosening mechanism is realized, the convenience of wearing the shoe is remarkably improved, and the stability of the shoelace under various activity conditions is also ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe and clothing accessories, in particular to a self-locking shoelace quick tightening device. Background Art

[0002] With the accelerated pace of life and people's constant pursuit of comfort, the traditional way of tying shoelaces has shown a series of inconveniences. The action of bending over to tie the shoes puts a burden on the body, which is especially difficult for the young, the elderly or those with limited mobility. In addition, traditional shoelaces are easy to loosen during use and need to be adjusted repeatedly, which not only affects the wearing comfort, but also increases safety risks such as falls. Although various lace-free shoes and alternatives to traditional shoelaces have emerged in recent years, such as Velcro and elastic shoelaces, these solutions often cannot achieve the fastening effect and aesthetic appearance requirements of traditional shoelaces. Therefore, developing a device that can effectively assist in tying shoelaces has become an important challenge in the field of footwear design. Utility Model Content

[0003] In response to the difficulties that the above-mentioned traditional shoelace tying methods bring to people with physical limitations, as well as the problem that shoelaces are prone to loosening during use, the purpose of this utility model is to provide a self-locking shoelace quick-tightening device. This device can overcome the above-mentioned shortcomings and provide users with a shoelace tying solution that is both fast, safe, and easy to operate. Through innovative design, this device achieves the feeling of the general manual shoelace tying process while greatly simplifying the difficulty of tying the buckle, realizing a one-step tightening and one-step loosening mechanism, significantly improving the convenience of wearing shoes, and also ensuring the stability of the shoelaces under various activity conditions, meeting the needs of different user groups. At the same time, the device has a compact structure and can be easily equipped with decorative accessories to enhance its aesthetics.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A self-locking shoelace quick-tightening device, comprising: an upper panel 1, a lower base plate 2, a winding post 3 and a limiting post 4, wherein the upper panel 1 and the lower base plate 2 are connected via at least two of the winding posts 3 and at least two of the limiting posts 4; a passage for shoelaces to pass through is provided between the upper panel 1 and the lower base plate 2; the winding post 3 is used to wind the shoelaces passing through the passage; a first limiting surface 41 is provided on the rear end face of the limiting post 4, and the first limiting surface 41 is used to lock the shoelaces passing through the passage.

[0006] Furthermore, two winding posts 3 and two limiting posts 4 are provided between the upper panel 1 and the lower base plate 2. The two winding posts 3 are located in the middle position between the upper panel 1 and the lower base plate 2, and the two limiting posts 4 are respectively located on the outside of the two winding posts 3; a first through hole 5 is formed between each limiting post 4 and its adjacent winding post 3; a second through hole 6 is formed between the two winding posts 3.

[0007] Furthermore, the first limiting surface 41 is located at the rear side of the rear end surface of the adjacent winding post 3 .

[0008] Furthermore, a passage opening 7 for shoelaces to pass through is provided on each of the left and right sides of the tightening device.

[0009] Furthermore, the rear end face of the limiting column 4 is also provided with a second limiting surface 42 and a guide inclined surface 43, and the first limiting surface 41, the second limiting surface 42 and the guide inclined surface 43 are connected in sequence; the first limiting surface 41 is perpendicular to the horizontal plane; the second limiting surface 42 is arranged facing the upper end face of the lower base plate 2; and the guide inclined surface 43 is arranged at an angle relative to the horizontal plane.

[0010] Furthermore, a limiting protrusion 21 is provided on the upper end surface of the lower base plate 2 , and the limiting protrusion 21 is located at the rear side of the limiting column 4 .

[0011] Furthermore, it also includes a reinforcement column 8, one end of the reinforcement column 8 is connected to the upper panel 1, and the other end of the reinforcement column 8 is connected to the lower base plate 2; the reinforcement column 8 is located on the rear side of the winding column 3.

[0012] Furthermore, the vertical distance between the upper panel 1 and the lower base plate 2 ranges from 3 mm to 15 mm.

[0013] Furthermore, the lower base plate 2 is an arc-shaped plate, and the curvature of the lower base plate 2 ranges from 0.2 rad to 0.6 rad.

[0014] Furthermore, the cross section of the winding post 3 is rectangular.

[0015] Due to the adoption of the above technology, the utility model has the following positive effects compared with the prior art:

[0016] (1) The present invention is provided with a winding post, a limiting post, and a passage for shoelaces to pass through. When the shoelaces are tightened through the passage, the fixed end of the shoelace presses the hand-pull end of the shoelace against the first limiting surface of the limiting post. The static friction generated by the hand-pull end of the shoelace and the first limiting surface locks the shoelaces. This effectively avoids the risk of sports injuries caused by loosening and entanglement of the shoelaces during exercise.

[0017] (2) The present invention simplifies the tightening and loosening process, while retaining the feel of conventional manual shoe lacing. It implements a one-step tightening and one-step loosening mechanism, allowing for quick tightening and loosening, adding convenience to the user. This is particularly convenient for the young, elderly, or those with limited mobility.

[0018] (3) The present invention is compatible with the mainstream shoelaces on the market and can be easily installed on various types of shoes without replacing the original shoelaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a self-locking shoelace quick tightening device of the utility model;

[0020] Figure 2 This is a rear view of a self-locking shoelace quick tightening device of the present invention;

[0021] Figure 3 This is a cross-sectional view of a self-locking shoelace quick tightening device of the present invention;

[0022] Figure 4 This is a left view of a self-locking shoelace quick tightening device of the utility model;

[0023] Figure 5 This is a schematic diagram of the principle of a self-locking shoelace quick tightening device of the utility model;

[0024] Figure 6 The utility model is a schematic diagram of a self-locking shoelace quick tightening device after installation.

[0025] In the accompanying drawings: 1. Upper panel; 2. Lower base plate; 21. Limiting protrusion; 3. Winding post; 4. Limiting post; 41. First limiting surface; 42. Second limiting surface; 43. Guide slope; 5. First through hole; 6. Second through hole; 7. Passage opening; 8. Reinforcement post; 9. Shoelace fixing end; 10. Shoelace hand-pull end. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0027] In the description of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the invented product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Please refer to Figures 1 to 6 As shown, a self-locking shoelace quick tightening device is shown, which includes: an upper panel 1, a lower base plate 2, a winding post 3 and a limiting post 4, the upper panel 1 and the lower base plate 2 are connected by at least two winding posts 3 and at least two limiting posts 4; the limiting posts 4 are distributed on both sides of all the winding posts 3; a passage for the shoelace to pass through is provided between the upper panel 1 and the lower base plate 2; the winding post 3 is used to wind the shoelace passing through the passage; the rear end face of the limiting post 4 is provided with a first limiting surface 41, and the first limiting surface 41 is used to lock the shoelace passing through the passage.

[0029] Furthermore, in a preferred embodiment, two winding posts 3 and two limiting posts 4 are provided between the upper panel 1 and the lower bottom plate 2. The two winding posts 3 are located in the middle position between the upper panel 1 and the lower bottom plate 2, and the two limiting posts 4 are respectively located on the outside of the two winding posts 3; a first through hole 5 is formed between each limiting post 4 and its adjacent winding post 3; a second through hole 6 is formed between the two winding posts 3; the two limiting posts 4 are respectively located at the two corner points of the front end between the upper panel 1 and the lower bottom plate 2; the two winding posts 3 are both located between the two limiting posts 4; the upper panel 1, the lower bottom plate 2, the two winding posts 3 and the two limiting posts 4 together form two passages for shoelaces to pass through.

[0030] Furthermore, in a preferred embodiment, the first limiting surface 41 is located on the rear side of the adjacent rear end surface of the winding post 3. This ensures that the shoelace, which is tightened around the winding post 3, can abut against the first limiting surface 41, thereby pressing the hand-pulled end 10 of the shoelace, which is being threaded back, against the first limiting surface 41.

[0031] Furthermore, in a preferred embodiment, a passage opening 7 for shoelaces to pass through is provided on each side of the tightening device, with one passage opening 7 corresponding to each passage. When inserting the shoelaces, the shoelace on one side is first inserted into the passage through the passage opening 7 on the same side. Next, the shoelace is inserted through the rear end of the second through-hole 6 and exits through the front end of the second through-hole 6. The shoelace is then passed around the front end of the winding post 3 on the same side and inserted into the first through-hole 5 on the same side. Finally, the shoelace is passed out through the passage opening 7 on the same side. Subsequently, the shoelace on the other side is passed out through the passage opening 7 on the other side following the same steps. Next, the shoelace hand-pull ends 10 on both sides can be pulled simultaneously, and the shoelaces on both sides are tightened under the action of the tension. In this way, the shoelace fixing end 9 on each side presses the shoelace hand-pull end 10 on the respective first limiting surface 41 on the respective side. The resulting static friction locks the shoelaces.

[0032] Please refer to Figure 4 As shown, in a preferred embodiment, the rear end surface of the limiting post 4 is further provided with a second limiting surface 42 and a guide slope 43. The first limiting surface 41, the second limiting surface 42, and the guide slope 43 are sequentially connected; the first limiting surface 41 is perpendicular to the horizontal plane; the second limiting surface 42 is arranged to face the upper end surface of the lower base plate 2; and the third limiting surface 43 is arranged at an angle relative to the horizontal plane. The first limiting surface 41, the second limiting surface 42, and the upper end surface of the lower base plate 2 together form a limiting groove for the shoelace. When the shoelace is tightened, the guide slope 43 acts to facilitate the shoelace's smooth sliding into the limiting groove.

[0033] Furthermore, in a preferred embodiment, a limiting protrusion 21 is provided on the upper end surface of the lower base plate 2. The limiting protrusion 21 is located behind the limiting post 4. Furthermore, the limiting protrusion 21 is located directly behind the first limiting surface 41. To loosen the shoelaces, the user simply pulls the tightening device away from the tongue, which can be understood as pulling toward the front end of the tightening device. At this point, the shoelace fixing end 9 separates from the shoelace hand-pull end 10, and the shoelaces are loosened. During the loosening process, the shoelace fixing end 9 moves relatively away from the first limiting surface 41. During this movement, the shoelace is blocked by the limiting protrusion 21, increasing the friction between the shoelace and the tightening device as it slides outward. This increases the resistance to the user pulling on the tightening device, effectively preventing excessive force from causing the entire shoelace to slip out of the tightening device. When re-tightening the shoelaces, there is no need to re-thread the shoelaces, making it more convenient to use.

[0034] Furthermore, in a preferred embodiment, a reinforcement post 8 is further included, one end of which is connected to the upper panel 1 and the other end of which is connected to the lower base plate 2; the reinforcement post 8 is located behind the winding post 3. The winding post 3 and the limiting post 4 are located on the front side between the upper panel 1 and the lower base plate 2, and the reinforcement post 8 is located on the rear side between the upper panel 1 and the lower base plate 2. This layout ensures the sturdiness of the entire structure.

[0035] Furthermore, in a preferred embodiment, the vertical distance between the upper panel 1 and the lower base 2 ranges from 3 mm to 15 mm. The present tightening device can be designed in different models according to the different distances between the upper panel 1 and the lower base 2 to accommodate shoelaces of various thicknesses.

[0036] Furthermore, in a preferred embodiment, the lower base plate 2 is a curved plate with a curvature ranging from 0.2 rad to 0.6 rad. The curved design of the lower base plate 2 is designed to better fit the tongue of the shoe. This ensures a more stable fastening device after installation and enhances user comfort.

[0037] Furthermore, in a preferred embodiment, the cross section of the winding rod 3 is rectangular, and every two intersecting sides of the rectangle have rounded corners. The rounded corner transition design can reduce the wear of the shoelaces.

[0038] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention.

[0039] The present invention also has the following implementation methods based on the above:

[0040] In a further embodiment of the present invention, the number of the winding posts 3 is equal to the number of the limiting posts 4 .

[0041] In a further embodiment of the present invention, the cross section of the winding post 3 is circular.

[0042] In a further embodiment of the present invention, the cross section of the winding post 3 is elliptical.

[0043] In a further embodiment of the present invention, the horizontal projections of the upper panel 1 and lower base 2 are identical rectangles, each of which has rounded corners. The rounded corners make the product safer, easier to grip, and use. Furthermore, from an aesthetic perspective, the rounded corners enhance the product's streamlined and harmonious appearance, making it more aesthetically pleasing. Furthermore, the rounded corners reduce the risk of scratches on the user.

[0044] In a further embodiment of the present invention, the projections of the upper panel 1 and the lower base plate 2 on the horizontal plane are both the same circle.

[0045] In a further embodiment of the present invention, the projections of the upper panel 1 and the lower base plate 2 on the horizontal plane are both the same ellipse.

[0046] In a further embodiment of the present invention, the material of the upper panel 1, the lower base plate 2, the winding column 3 and the limiting column 4 can be any one of PP, PA, ABS, PET, PU, PLA or photosensitive resin, and can be integrally formed by injection molding or 3D printing process.

[0047] In a further embodiment of the present invention, the upper panel 1, the lower base plate 2, the winding post 3 and the limiting post 4 are made of metal and are integrally formed by a powder metallurgy process or a 3D printing process.

[0048] Working principle:

[0049] When threading the shoelaces, first pass the shoelaces on one side into the channel from the passage opening 7 on the same side. Next, pass the shoelaces through the rear end of the second through hole 6 and out from the front end of the second through hole 6. Then, pass the shoelaces around the front end surface of the winding post 3 on the same side and pass them into the first through hole 5 on the same side. Finally, pass the shoelaces out from the passage opening 7 on the same side. Subsequently, pass the shoelaces on the other side out from the passage opening 7 on the other side according to the same steps above. Next, the shoelace hand-pulling ends 10 on both sides can be pulled at the same time. In the process of the shoelaces being driven, due to the action of the guiding inclined surface 43, the shoelaces will slide into the limiting groove formed by the first limiting surface 41, the second limiting surface 42 and the upper end surface of the lower bottom plate 2. Please refer to Figure 5 As shown, when the shoelace is further tightened, the shoelace fixed end 9 on each side squeezes the shoelace hand-pulling end 10 on each side onto the first limiting surface 41 on each side. Then, the static friction force generated locks the shoelace.

[0050] As the tension is transmitted on the shoelaces, the fixed end 9 of the shoelaces is straightened and presses the hand-pull end 10 of the shoelaces on the first limiting surface 41. The tension is converted into pressure exerted by the fixed end 9 of the shoelaces on the hand-pull end 10 of the shoelaces. Under this pressure, friction is formed between the hand-pull end 10 of the shoelaces and the first limiting surface 41 and the fixed end 9 of the shoelaces to complete self-locking.

[0051] When wanting to loosen the shoelace, only need to pull this tie-down device away from the tongue direction, can be understood as pulling to the front end direction of this tie-down device. At this moment, the shoelace fixed end 9 separates with the shoelace hand-pulled end 10, and the shoelace is loosened.

[0052] The above are only preferred embodiments of the present invention and do not limit the implementation methods and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking shoelace quick tightening device, characterized by: The shoe ...

2. The self-locking shoelace quick tightening device according to claim 1, characterized in that: Two winding posts (3) and two limiting posts (4) are provided between the upper panel (1) and the lower base plate (2); the two winding posts (3) are located in the middle between the upper panel (1) and the lower base plate (2); the two limiting posts (4) are respectively located on the outside of the two winding posts (3); a first through hole (5) is formed between each limiting post (4) and its adjacent winding post (3); and a second through hole (6) is formed between the two winding posts (3).

3. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: The first limiting surface (41) is located at the rear side of the rear end surface of the winding pole (3) adjacent thereto.

4. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: A passage opening (7) for shoelaces to pass through is respectively provided on the left and right sides of the tightening device.

5. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: The rear end surface of the limiting column (4) is further provided with a second limiting surface (42) and a guiding inclined surface (43); the first limiting surface (41), the second limiting surface (42) and the guiding inclined surface (43) are connected in sequence; the first limiting surface (41) is perpendicular to the horizontal plane; the second limiting surface (42) is arranged facing the upper end surface of the lower base plate (2); and the guiding inclined surface (43) is arranged obliquely relative to the horizontal plane.

6. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: A limiting protrusion (21) is provided on the upper end surface of the lower base plate (2), and the limiting protrusion (21) is located at the rear side of the limiting column (4).

7. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: It also includes a reinforcement column (8), one end of which is connected to the upper panel (1), and the other end of which is connected to the lower base plate (2); the reinforcement column (8) is located at the rear side of the winding column (3).

8. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: The vertical distance between the upper panel (1) and the lower base plate (2) ranges from 3 mm to 15 mm.

9. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: The lower base plate (2) is an arc-shaped plate, and the curvature range of the lower base plate (2) is 0.2 rad to 0.6 rad.

10. The self-locking shoelace quick tightening device according to claim 1 or 2, characterized in that: The cross section of the winding column (3) is rectangular.

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