Shoe capable of automatically adjusting tightness of shoelace

Abstract

The utility model discloses a shoe capable of automatically adjusting the degree of tightness of a shoelace, which comprises the shoelace and a coiling assembly which is arranged in the shoe and is connected with the shoelace, the coiling assembly is connected with a releasing assembly and a tightening assembly which are arranged in the shoe, the releasing assembly releases the shoelace through the coiling assembly, and the tightening assembly is connected with the shoelace. The tightening assembly tightens the shoelace through the winding assembly. According to the shoe capable of automatically adjusting the tightness of the shoelace, the winding assembly, the releasing assembly and the tightening assembly which are matched with one another are arranged in the shoe, so that a user can tighten or untighten the shoelace without bending down in the process of putting on and taking off the shoe, and the shoe is simple and rapid to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe manufacturing, in particular to a pair of shoes capable of automatically adjusting the tightness of shoelaces. Background Art

[0002] Most shoes on the market currently use traditional shoelace designs, which require manual lacing or unlacing when putting on or taking off shoes. However, for some special groups, such as children, pregnant women, the elderly, obese people, and the disabled, they may have difficulty bending over, and it may be difficult for them to manually tighten or unlace their shoelaces, causing great inconvenience in their lives. Summary of the invention

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a shoe with automatically adjustable shoelace tightness. By installing a winding assembly, a releasing assembly and a tightening assembly that cooperate with each other in the shoe, the user can tie or untie the shoelaces without bending over during the process of putting on and taking off the shoes, and the operation can be simple and quick.

[0004] To achieve the above-mentioned purpose, the utility model provides a shoe with automatically adjustable shoelace tightness, comprising shoelaces and a winding assembly installed in the shoe and connected to the shoelaces, the winding assembly being connected to a releasing assembly and a tightening assembly installed in the shoe, the releasing assembly loosening the shoelaces through the winding assembly, and the tightening assembly tightening the shoelaces through the winding assembly.

[0005] In the above technical solution, the wire winding assembly includes a left wire winding assembly, and the left wire winding assembly includes a left bottom shell, a left bottom shell is recessed with a left accommodating chamber, a left upper cover is provided on the left accommodating chamber, a left outer wheel is installed in the left accommodating chamber, a left inner wheel is inserted in the left outer wheel, the left inner wheel is rotatably arranged between the left accommodating chamber and the left upper cover, and the left inner wheel can drive the rotation.

[0006] In the above technical solution, the left outer wheel is formed into a hollow annular structure, the left inner wheel is provided with a left release layer, a left tightening layer and a left transmission layer from top to bottom, the outer wall of the left transmission layer cooperates with the inner wall of the left outer wheel to drive the left outer wheel to rotate, the left tightening layer is connected to the tightening assembly, and the left release layer is connected to the release assembly. The multi-layer structure design of the left inner wheel makes its connection with other components clearer, and the cooperation is more stable and reliable.

[0007] In the above technical solution, the inner wall of the left outer wheel is provided with a left limit groove, and the left transmission layer is provided with a left limit block protruding into the left limit groove; the outer wall of the left outer wheel is wrapped with a transmission rope, and the transmission rope is connected to the shoelaces.

[0008] In the above technical solution, the left release layer and the left tightening layer are both formed into a cam shape, and the cross-sectional area of ​​the left release layer is smaller than that of the left tightening layer. The cam shape is conducive to increasing the efficiency of the release component and the tightening component respectively driving the left inner wheel to rotate.

[0009] In the above technical solution, coaxial upper left rotating shaft and lower left rotating shaft are convexly provided at both ends of the left inner wheel, a lower left groove for installing the lower left rotating shaft is recessed in the left accommodating cavity, an upper left groove for installing the upper left rotating shaft is recessed in the left upper cover, and the left inner wheel is rotatably installed between the upper left groove and the lower left groove through the upper left rotating shaft and the lower left rotating shaft.

[0010] In the above technical solution, the wire winding assembly also includes a right wire winding assembly that is symmetrical in structure to the left wire winding assembly; the right wire winding assembly includes a right outer wheel that is symmetrical in structure to the left outer wheel, and a right inner wheel that is symmetrical in structure to the left inner wheel; the right inner wheel is provided with a right release layer, a right tightening layer and a right transmission layer from top to bottom, the outer wall of the right transmission layer cooperates with the inner wall of the right outer wheel to drive the right outer wheel to rotate, the right tightening layer is connected to the tightening assembly, and the right release layer is connected to the release assembly.

[0011] In the above technical solution, the tightening assembly includes a foot chassis installed in the shoe, and a wire clamping shaft is installed on the foot chassis. Two tightening ropes are respectively wound around the two ends of the wire clamping shaft, and the two tightening ropes are respectively wound around the outside of the left tightening layer and the outside of the right tightening layer.

[0012] In the above technical solution, the release assembly includes a release pedal installed outside the shoe, a pedal head is installed on the release pedal through a fixed axis, the pedal head is installed inside the shoe, and two release ropes are fixedly connected to the ends of the pedal head. The two release ropes are respectively wound around the outside of the left release layer and the outside of the right release layer.

[0013] In the above technical solution, the winding directions of the tightening rope and the release rope on the same side of the shoe are opposite, and the winding directions of the transmission rope and the release rope are the same; the winding directions of the corresponding tightening rope, the release rope and the transmission rope on the left and right sides of the shoe are opposite.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The technical solution is to install a winding assembly connected to the shoelaces in the shoes, and the winding assembly is respectively connected to the releasing assembly and the tightening assembly. When the user puts on the shoes, the user can act on the winding assembly to tighten the shoelaces by stepping on the tightening assembly, and when the user takes off the shoes, the user can act on the winding assembly to loosen the shoelaces by stepping on the releasing assembly. The technical solution enables the user to tighten or untie the shoelaces without bending over, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the combination of the winding assembly, the tightening assembly and the releasing assembly provided by the utility model;

[0018] Figure 2 It is a three-dimensional exploded structural diagram of the winding assembly, tightening assembly and releasing assembly provided by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the left outer wheel and the left inner wheel combination provided by the utility model. Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the structure of the left outer wheel and the left inner wheel combination provided by the utility model. Figure 2 .

[0021] The markings of the accompanying drawings are: 1, left winding assembly; 11, left bottom shell; 111, left accommodating chamber; 1111, left lower groove; 112, left tightening outlet; 113, left releasing outlet; 114, left transmission outlet; 12, left upper cover; 121, left upper groove; 13, left outer wheel; 131, left limiting groove; 132, left winding groove; 14, left inner wheel; 141, left upper shaft; 142, left release layer; 143, left tightening layer; 144, left transmission layer; 1441, left limiting block; 145, left lower shaft; 15, transmission rope; 16, left rotating wire joint; 2, right winding assembly; 21, right bottom shell; 211, right accommodating chamber; 2111, right lower groove; 212, right tightening outlet; 213, right releasing outlet; 214, right transmission outlet; 22, right upper cover; 221, upper right groove; 23, right outer wheel; 231, right limiting groove; 232, right winding groove; 24, right inner wheel; 241, upper right shaft; 242, right release layer; 243, right tightening layer; 244, right transmission layer; 2441, right limiting block; 245, lower right shaft; 26, right turning wire connector; 3, tightening assembly; 31, foot-operated chassis; 311, clamping slot; 312, chassis outlet; 313, chassis inlet; 32, clamping shaft; 33, tightening rope; 4, release assembly; 41, stepping head; 42, fixed shaft; 43, release rope. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] refer to Figure 1-4 As shown, a shoe with automatic adjustment of shoelace tightness comprises an upper, shoelaces, a shoe waist, a heel, a sole, a winding assembly, a tightening assembly 3 and a releasing assembly 4, wherein:

[0026] The upper is provided with shoelaces, the tail of the upper is provided with a shoe waist, the tail of the shoe waist is provided with a heel, the bottom of the upper, the shoe waist and the heel is provided with a sole, a winding assembly connected with the shoelaces is arranged in the shoe waist, a releasing assembly 4 connected with the winding assembly is arranged in the heel, the releasing assembly 4 loosens the shoelaces through the winding assembly, a tightening assembly 3 connected with the winding assembly is arranged in the sole, and the tightening assembly 3 tightens the shoelaces through the winding assembly.

[0027] There are two groups of winding assemblies, including a left winding assembly 1 and a right winding assembly 2. The left winding assembly 1 and the right winding assembly 2 are symmetrical structures and are symmetrically arranged in the shoe waists on both sides of the shoe.

[0028] The left winding assembly 1 includes a left bottom shell 11, which is formed into a component that fits the left waist of the shoe. A left accommodating chamber 111 is recessed on the left bottom shell 11, and a left upper cover 12 is provided on the left accommodating chamber 111. A left outer wheel 13 is installed in the left accommodating chamber 111, and a left inner wheel 14 is inserted in the left outer wheel 13. The left inner wheel 14 is rotatably arranged between the left accommodating chamber 111 and the left upper cover 12, and the left inner wheel 14 can drive the left outer wheel 13 to rotate in a clockwise direction or a counterclockwise direction. Specifically, the left inner wheel 14 is provided with a coaxial upper left rotating shaft 141 and a lower left rotating shaft 145 at both ends, the left accommodating chamber 111 is provided with a lower left groove 1111 for installing the lower left rotating shaft 145, the left upper cover 12 is provided with an upper left groove 121 for installing the upper left rotating shaft 141, and the left inner wheel 14 is rotatably installed between the upper left groove 121 and the lower left groove 1111 through the upper left rotating shaft 141 and the lower left rotating shaft 145; further, the left outer wheel 13 is formed into a hollow annular structure, and the upper left rotating shaft 141 and the lower left rotating shaft 145 of the left inner wheel 14 are provided with a lower left groove 1111. 45 are provided with a left release layer 142, a left tightening layer 143 and a left transmission layer 144 from top to bottom, the outer wall of the left transmission layer 144 cooperates with the inner wall of the left outer wheel 13 to drive the left outer wheel 13 to rotate, the left tightening layer 143 is connected to the tightening component 3, and the tightening component 3 drives the left inner wheel 14 to rotate through the left tightening layer 143, the left release layer 142 is connected to the release component 4, and the release component 4 drives the left inner wheel 14 to rotate through the left release layer 142. The multi-layer design of the left inner wheel 14 makes its connection with other components clearer, and the cooperation is more stable and reliable. Specifically, the inner wall of the left outer wheel 13 is provided with a left limit groove 131, the left transmission layer 144 is provided with a left limit block 1441 protruding into the left limit groove 131, the left release layer 142 and the left tightening layer 143 are both formed into a cam shape, which is beneficial to increase the efficiency of the release component 4 and the tightening component 3 respectively driving the left inner wheel 14 to rotate, and the cross-sectional area of ​​the left release layer 142 is smaller than that of the left tightening layer 143.

[0029] The right winding assembly 2 and the left winding assembly 1 are symmetrical structures. The right winding assembly 2 includes a right bottom shell 21, and the right bottom shell 21 is formed as a component that fits the right side of the shoe waist. A right accommodating cavity 211 is recessed on the right bottom shell 21. A right upper cover 22 is provided on the right accommodating cavity 211. A right outer wheel 23 is installed in the right accommodating cavity 211. A right inner wheel 24 is inserted in the right outer wheel 23. The right inner wheel 24 is rotatably arranged between the right accommodating cavity 211 and the right upper cover 22. The right inner wheel 24 can drive the right outer wheel 23 to rotate in a clockwise direction or a counterclockwise direction. Specifically, the two ends of the right inner wheel 24 are convexly provided with a coaxial right upper rotating shaft 241 and a right lower rotating shaft 245, the right accommodating chamber 211 is recessed with a right lower groove 2111 for installing the right lower rotating shaft 245, the right upper cover 22 is recessed with a right upper groove 221 for installing the right upper rotating shaft 241, and the right inner wheel 24 is rotatably installed between the right upper groove 221 and the right lower groove 2111 through the right upper rotating shaft 241 and the right lower rotating shaft 245; further, the right outer wheel 23 is formed into a hollow annular structure, and the right upper rotating shaft 241 and the right lower rotating shaft 245 of the right inner wheel 24 are recessed with a right lower groove 2111 for installing the right upper rotating shaft 241. 45 are provided with a right release layer 242, a right tightening layer 243 and a right transmission layer 244 from top to bottom. The outer wall of the right transmission layer 244 cooperates with the inner wall of the right outer wheel 23 to drive the right outer wheel 23 to rotate. The right tightening layer 243 is connected to the tightening component 3, and the tightening component 3 drives the right inner wheel 24 to rotate through the right tightening layer 243. The right release layer 242 is used to connect the release component 4, and the release component 4 drives the right inner wheel 24 to rotate through the right release layer 242. The multi-layer design of the right inner wheel 24 makes its connection with other components clearer, and the cooperation is more stable and reliable. Specifically, the inner wall of the right outer wheel 23 is provided with a right limit groove 231, the right transmission layer 244 is provided with a right limit block 2441 protruding into the right limit groove 231, the right release layer 242 and the right tightening layer 243 are both formed into a cam shape, which is beneficial to increase the efficiency of the release component 4 and the tightening component 3 respectively driving the right inner wheel 24 to rotate, and the cross-sectional area of ​​the right release layer 242 is smaller than that of the right tightening layer 243.

[0030] The tightening assembly 3 includes a foot-operated chassis 31, a wire clamping shaft 32 and a tightening rope 33. The foot-operated chassis 31 is installed in the sole of the shoe. The user controls the tightening assembly 3 by stepping on the foot-operated chassis 31. Both ends of the wire clamping shaft 32 are clamped on the foot-operated chassis 31. Two tightening ropes 33 are respectively wound around both ends of the wire clamping shaft 32. The ends of the two tightening ropes 33 are respectively fixed on the left tightening layer 143 of the left inner wheel 14 and the outside of the right tightening layer 243 of the right inner wheel 24, and are respectively wound around the outside of the left tightening layer 143 and the outside of the right tightening layer 243. Furthermore, a slot 311 for mounting a wire-clamping shaft 32 is provided at the top of the pedal chassis 31, chassis wire outlets 312 are provided on both sides of the slot 311, chassis wire inlets 313 are provided on both sides of the pedal chassis 31, the wire-clamping shaft 32 is installed in the slot 311, the tightening rope 33 passes through the chassis wire inlet 313 and the bottom of the pedal chassis 31, and is passed through the chassis wire outlet 312 and sleeved on the wire-clamping shaft 32. This structure allows the tightening rope 33 to be hidden at the bottom of the pedal chassis 31 to avoid being exposed and damaged.

[0031] The release component 4 includes a release pedal, a pedal head 41, a fixed shaft 42 and a release rope 43. The release pedal is installed on the outside of the heel of the shoe. The user controls the release component 4 through the release pedal. One end of the pedal head 41 is penetrated by a fixed shaft 42, and both ends of the fixed shaft 42 are penetrated by the release pedal. The pedal head 41 is fixedly connected to the release pedal through the fixed shaft 42. The other end of the pedal head 41 is fixedly connected to two release ropes 43. The other ends of the two release ropes 43 are respectively fixed to the left release layer 142 of the left inner wheel 14 and the right release layer 242 of the right inner wheel 24, and are respectively wound around the outside of the left release layer 142 and the outside of the right release layer 242.

[0032] The cross-sectional area of ​​the left release layer 142 of the left inner wheel 14 is smaller than that of the left tightening layer 143, so that a depression is formed between the left tightening layer 143 and the left transmission layer 144, which facilitates the release rope 43 to be wrapped around the outside of the left release layer 142 and can always remain between the left tightening layer 143 and the left transmission layer 144 during movement, avoiding entanglement with the tightening rope 33; the cross-sectional area of ​​the right release layer 242 of the right inner wheel 24 is smaller than that of the right tightening layer 243, so that a depression is formed between the right tightening layer 243 and the right transmission layer 244, which facilitates the release rope 43 to be wrapped around the outside of the right release layer 242 and can always remain between the right tightening layer 243 and the right transmission layer 244 during movement, avoiding entanglement with the tightening rope 33.

[0033] The outer wall of the left outer wheel 13 is recessed with a left winding groove 132, and a transmission rope 15 is wound on the left winding groove 132. One end of the transmission rope 15 is fixed to the left outer wheel 13, and the other end is connected to a left turning wire joint 16, which is connected to the shoelaces. The left outer wheel 13 tightens or loosens the shoelaces through the transmission rope 15 and the left turning wire joint 16; the outer wall of the right outer wheel 23 is recessed with a right winding groove 232, and the right winding groove 232 is wound with the transmission rope 15, one end of the transmission rope 15 is fixed to the right outer wheel 23, and the other end is connected to a right turning wire joint 26, which is connected to the shoelaces. The right outer wheel 23 tightens or loosens the shoelaces through the transmission rope 15 and the right turning wire joint 26.

[0034] The tightening rope 33 and the release rope 43 arranged on the same side of the shoe waist are wound in opposite directions, and the transmission rope 15 and the release rope 43 are wound in the same direction, and the winding directions of the corresponding tightening rope 33, release rope 43 and transmission rope 15 on the left and right shoe waists are opposite. In this embodiment, the tightening rope on the left side is wound around the left tightening layer 143 of the left inner wheel 14 in a counterclockwise direction, the release rope 43 is wound around the left release layer 142 of the left inner wheel 14 in a clockwise direction, and the transmission rope 15 is wound around the left outer wheel 13 in a clockwise direction; the tightening rope 33 on the right side is wound around the right tightening layer 243 of the right inner wheel 24 in a clockwise direction, the release rope 43 is wound around the right release layer 242 of the right inner wheel 24 in a counterclockwise direction, and the transmission rope 15 is wound around the right outer wheel 23 in a counterclockwise direction.

[0035] In this embodiment, the left bottom shell 11 is fixedly connected to the right bottom shell 21. The left bottom shell 11 is provided with a left tightening outlet 112, a left releasing outlet 113 and a left transmission outlet 114 which are connected to the left accommodating chamber 111 and are staggered. The tightening rope 33 wound on the left tightening layer 143 passes through the left tightening outlet 112 and is sleeved on the clamping shaft 32. The release rope 43 wound on the left release layer 142 passes through the left releasing outlet 113 and is fixed on the stepping head 41. The transmission rope 15 wound on the left outer wheel 13 passes through the left transmission outlet 114 and is fixed on the left turning wire joint 16. The staggered outlet setting effectively staggers the moving directions of the tightening rope 33, the releasing rope 43 and the transmission rope 15, making the moving direction clearer and avoiding entanglement. The right bottom shell 21 is provided with a right tightening wire outlet 212, a right releasing wire outlet 213 and a right transmission wire outlet 214 which are connected to the right accommodating chamber 211 and are staggered. The tightening rope 33 wound on the right tightening layer 243 passes through the right tightening wire outlet 212 and is sleeved on the wire clamping shaft 32. The release rope 43 wound on the right release layer 242 passes through the right releasing wire outlet 213 and is fixed on the stepping head 41. The transmission rope 15 wound on the right outer wheel 23 passes through the right transmission wire outlet 214 and is fixed on the right turning wire joint 26. The staggered wire outlet setting effectively staggers the moving directions of the tightening rope 33, the releasing rope 43 and the transmission rope 15, making the moving direction clearer and avoiding entanglement.

[0036] The working principle of the shoe of the present embodiment which automatically adjusts the tightness of the shoelaces is as follows: ① After the user puts on the shoes and needs to tighten the shoelaces, he steps down on the foot chassis 31, and the foot steps on the foot chassis 31 to pull the tightening rope 33. The tightening rope 33 on the left side pulls the left inner wheel 14 to rotate counterclockwise, and the left inner wheel 14 drives the left outer wheel 13 to rotate counterclockwise through the left limit block 1441, and the left outer wheel 13 winds up more transmission rope 15, and pulls the shoelaces to move in the direction of the left outer wheel 13 through the left turning line joint 16. At the same time, the tightening rope 33 on the right side pulls the right inner wheel 24 to rotate clockwise, and the right inner wheel 24 drives the right outer wheel 23 to rotate clockwise through the right limit block 2441, and the right outer wheel 23 winds up more transmission rope 15, and pulls the shoelaces to the direction of the right outer wheel 23 through the right turning line joint 26. Movement; ② When the user needs to loosen the shoelaces and take off the left shoe, the user steps on the release pedal of the left shoe with the right foot. The release pedal pulls the release rope 43 through the pedal head 41, and the release rope 43 on the left side pulls the left inner wheel 14 to rotate in a clockwise direction. The left inner wheel 14 drives the left outer wheel 13 to rotate in a clockwise direction through the left limit block 1441, and the left outer wheel 13 releases more transmission rope 15, and loosens the shoelaces through the left turning line joint 16. At the same time, the release rope 43 on the right side pulls the right inner wheel 24 to rotate in a counterclockwise direction, and the right inner wheel 24 drives the right outer wheel 23 to rotate in a counterclockwise direction through the right limit block 2441, and the right outer wheel 23 releases more transmission rope 15, and loosens the shoelaces through the left and right turning line joints 26; when the user needs to loosen the shoelaces and take off the right shoe, the user steps on the release pedal of the right shoe with the left foot, and the principle is the same as above.

[0037] In summary, the utility model is a shoe with automatic adjustment of shoelace tightness. By installing a winding assembly, a releasing assembly and a tightening assembly that cooperate with each other in the shoe, the user can tie or untie the shoelaces without bending over when putting on or taking off the shoe, and the operation is simple and quick.

[0038] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A shoe with automatically adjustable shoelaces, comprising shoelaces, characterized in that: The shoelace also comprises a winding assembly installed in the shoe and connected to the shoelace, wherein the winding assembly is connected to a tightening assembly (3) and a releasing assembly (4) installed in the shoe, wherein the tightening assembly (3) tightens the shoelace via the winding assembly, and the releasing assembly (4) loosens the shoelace via the winding assembly.

2. The shoe with automatically adjustable shoelace tightness according to claim 1, characterized in that: The wire winding assembly comprises a left wire winding assembly (1), the left wire winding assembly (1) comprising a left bottom shell (11), a left accommodating chamber (111) being recessed on the left bottom shell (11), a left upper cover (12) being provided on the upper cover of the left accommodating chamber (111), a left outer wheel (13) being installed in the left accommodating chamber (111), a left inner wheel (14) being inserted in the left outer wheel (13), the left inner wheel (14) being rotatably arranged between the left accommodating chamber (111) and the left upper cover (12), and the left inner wheel (14) being capable of driving the rotation.

3. The shoe with automatically adjustable shoelace tightness according to claim 2, characterized in that: The left outer wheel (13) is formed into a hollow annular structure, and the left inner wheel (14) is provided with a left release layer (142), a left tightening layer (143) and a left transmission layer (144) in sequence from top to bottom; the outer wall of the left transmission layer (144) cooperates with the inner wall of the left outer wheel (13) to drive the left outer wheel (13) to rotate, the left tightening layer (143) is connected to the tightening assembly (3), and the left release layer (142) is connected to the release assembly (4).

4. The shoe with automatically adjustable shoelace tightness according to claim 3, characterized in that: The inner wall of the left outer wheel (13) is provided with a left limiting groove (131), and the left transmission layer (144) is provided with a left limiting block (1441) protruding from the left limiting groove (131); a transmission rope (15) is wound around the outer wall of the left outer wheel (13), and the transmission rope (15) is connected to the shoelace.

5. The shoe with automatically adjustable shoelace tightness according to claim 4, characterized in that: The left release layer (142) and the left tightening layer (143) are both formed into a cam shape, and the cross-sectional area of ​​the left release layer (142) is smaller than that of the left tightening layer (143).

6. The shoe with automatically adjustable shoelace tightness according to claim 5, characterized in that: The left inner wheel (14) is provided with a coaxial upper left rotating shaft (141) and a lower left rotating shaft (145) at both ends thereof; a lower left groove (1111) for mounting the lower left rotating shaft (145) is recessed in the left accommodating cavity (111); a upper left groove (121) for mounting the upper left rotating shaft (141) is recessed in the left upper cover (12); the left inner wheel (14) is rotatably mounted between the upper left groove (121) and the lower left groove (1111) via the upper left rotating shaft (141) and the lower left rotating shaft (145).

7. The shoe with automatically adjustable shoelace tightness according to claim 6, characterized in that: The wire winding assembly further comprises a right wire winding assembly (2) which is structurally symmetrical with the left wire winding assembly (1); the right wire winding assembly (2) comprises a right outer wheel (23) which is structurally symmetrical with the left outer wheel (13), and a right inner wheel (24) which is structurally symmetrical with the left inner wheel (14); the right inner wheel (24) is provided with a right release layer (242), a right tightening layer (243) and a right transmission layer (244) in order from top to bottom; the outer wall of the right transmission layer (244) cooperates with the inner wall of the right outer wheel (23) to drive the right outer wheel (23) to rotate; the right tightening layer (243) is connected to the tightening assembly (3), and the right release layer (242) is connected to the release assembly (4).

8. The shoe with automatically adjustable shoelace tightness according to claim 7, characterized in that: The tightening assembly (3) comprises a foot-operated chassis (31) mounted in the shoe, a wire clamping shaft (32) being mounted on the foot-operated chassis (31), two tightening ropes (33) being respectively wound around the two ends of the wire clamping shaft (32), and the two tightening ropes (33) being respectively wound around the outside of the left tightening layer (143) and the outside of the right tightening layer (243).

9. The shoe with automatically adjustable shoelace tightness according to claim 8, characterized in that: The release assembly (4) comprises a release pedal mounted outside the shoe, a pedal head (41) being mounted on the release pedal via a fixed shaft (42), the pedal head (41) being mounted inside the shoe, two release ropes (43) being fixedly connected to the ends of the pedal head (41), the two release ropes (43) being respectively wound around the outside of the left release layer (142) and the outside of the right release layer (242).

10. The shoe with automatically adjustable shoelace tightness according to claim 9, characterized in that: The winding directions of the tightening rope (33) and the release rope (43) on the same side of the shoe are opposite, and the winding directions of the transmission rope (15) and the release rope (43) are the same; the winding directions of the corresponding tightening rope (33), the release rope (43) and the transmission rope (15) on the left and right sides of the shoe are opposite.

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