Spinning buckle barrel shell, spinning buckle base, spinning buckle and shoe

Abstract

The utility model provides a spinner barrel shell, a spinner base, a spinner and a shoe. A shell body is provided with a first clamping hole and a second clamping hole, wherein a first clamping block of a base body is clamped into the first clamping hole in a matched mode, and a second clamping block of the base body is clamped into the second clamping hole in a matched mode. The shell body corresponds to the first clamping block of the base body through the first clamping hole and allows the first clamping block to be clamped therein, the second clamping hole corresponds to the second clamping block of the base body and allows the second clamping block to be clamped therein, the first clamping hole is clamped by the first clamping block, and the second clamping hole is clamped by the second clamping block. Buckle connection of different positions of the barrel shell and the base is achieved, releasing and relative twisting are not prone to occurring, the first clamping block hooks the first clamping hole, the second clamping block hooks the second clamping hole, even if the base is impacted, pulled, torn and the like by the barrel shell, the buckle structure of the base and the barrel shell is not prone to deformation, the base is not prone to tearing, the barrel shell and the base are not prone to damage, and the service life of the barrel shell and the base is prolonged. And the barrel shell and the base are firmly connected and are durable.

Description

TECHNICAL FIELD

[0001] The utility model relates to daily life field, concretely relates to a screw button cylinder shell, screw button base and screw button and shoe. BACKGROUND

[0002] The opening of shoes, clothes, backpacks, hats, protective gear and other articles is usually provided with a rope for tightening or loosening. Currently, people fix the tightness of the rope by knotting, which is complicated, inconvenient, easy to loosen and not simple and beautiful.

[0003] To solve the foregoing problem, the Chinese utility model patent CN201820751299.8 discloses a lacing system based on a rotor and a stator, which comprises a rotor and a stator. The stator comprises a stator main part and an expansion bracket. The stator main part, the rotor and the expansion bracket are sequentially connected. The rotor is provided with a winding groove and a threading hole in the circumferential direction. The rotor or the stator main part is provided with a tooth. The stator main part or the rotor is provided with a pawl corresponding to the tooth. The stator is provided with a gear structure. The pawl and the tooth are connected by the gear structure to achieve engagement or separation. The stator main part and the expansion bracket are fixedly connected by screws or buckles. The gear structure is one of a fixed gear and an elastic gear. The fixed gear comprises a gear protrusion and a corresponding retaining ring. The elastic gear comprises an elastic foot and a retaining ring. The elastic foot comprises a root and an elastic body. At least one limiting groove is formed on the outer side of the elastic body to limit the retaining ring. The expansion bracket has a module cavity. The module cavity is used to accommodate functional modules and a power supply. The connecting surface of the rotor is provided with a tooth. The connecting surface of the stator main part is provided with a pawl corresponding to the tooth. The connecting surface of the stator main part is provided with a tooth. The connecting surface of the rotor is provided with a pawl corresponding to the tooth. The lacing system further comprises a cover. The cover is connected to the rotor by a buckle. The cover comprises an accommodation cavity. The accommodation cavity comprises a first inner cavity and a second inner cavity arranged in a stepped manner. The first inner cavity is used to accommodate the module cavity of the expansion bracket. An annular groove is formed on the inner wall of the first inner cavity near the step in the circumferential direction. The annular groove is uniformly spaced in the circumferential direction and provided with a buckle structure for embedding connection with the rotor. A lacing system based on a rotor and a stator comprises a rotor and a stator. The stator only comprises a stator main part. The rotor comprises an upper cover, a ratchet and a winding groove sequentially fixedly connected from top to bottom. The stator main part is provided with a tooth. The rotor is provided with a pawl corresponding to the tooth. The stator main part is provided with an elastic retaining pin. The tooth and the pawl are connected by the elastic retaining pin to achieve engagement or separation.

[0004] The utility model discloses a kind of to solve the problem of manually tying shoelace to some extent by the way of winding and unwinding rope by knob, but since usually barrel shell is made of relatively hard material and buckle structure is protruding male buckle structure, and base is made of slightly soft material and is female buckle structure with stress concentration notch prone to appear, the buckle structure of its base and barrel shell is prone to deformation and base tearing, so that easy to come off and base damage etc.

[0005] In view of this, the present inventor has conducted in-depth research on the above problems, and thus the present case is produced. Utility model content

[0006] One purpose of the utility model is to provide a buckle barrel shell with firm structure, practical and durable.

[0007] The second purpose of the utility model is to provide a buckle base with firm structure, practical and durable.

[0008] The third purpose of the utility model is to provide a buckle with firm structure, practical and durable.

[0009] The fourth purpose of the utility model is to provide a shoe with firm structure, practical and durable.

[0010] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0011] A buckle barrel shell includes a shell main body; the shell main body has a containing cavity for containing a winding shaft, and a rope passing hole for communicating the containing cavity with the outside; the shell main body has a first clamping hole for clamping a first clamping block of a base main body, and a second clamping hole for clamping a second clamping block of the base main body.

[0012] The first clamping hole and the second clamping hole are formed by recessing the peripheral surface of the shell main body towards the containing cavity, and the first clamping hole and the second clamping hole are arranged towards opposite directions; the inner side of the shell main body is formed with a gear ring, which includes a plurality of ring teeth arranged around the winding shaft axis; the containing cavity includes a lower cavity body at the lower part for containing the winding shaft, and an upper cavity body at the upper part and forming the gear ring; the inner diameter of the lower cavity body is smaller than that of the upper cavity body, and an annular step is formed between the upper cavity body and the lower cavity body; the annular step is formed with a convex ring protruding upwards and arranged around the winding shaft axis, and an annular groove for containing an elastic clamping jaw is formed between the convex ring and the gear ring.

[0013] The bottom of the ring groove is formed with a first groove hole communicating with the first clamping hole downward and a second groove hole communicating with the second clamping hole; the shell body is formed with a first hole bottom wall corresponding to the first groove hole and allowing the first clamping block to be clamped thereon below the first clamping hole, and is formed with a second hole bottom wall corresponding to the second groove hole and allowing the second clamping block to be clamped thereon below the second clamping hole; the two ends of the first hole bottom wall are connected with the two end edges of the first groove hole through a first hole side wall, and the two ends of the second hole bottom wall are connected with the two end edges of the second groove hole through a second hole side wall; the outer edge of the lower surface of the first hole bottom wall is formed with a first step inclined surface facilitating the first clamping block to be clamped into the first clamping hole, and the outer edge of the lower surface of the second hole bottom wall is formed with a second step inclined surface facilitating the second clamping block to be clamped into the second clamping hole.

[0014] The bottom of the accommodating cavity has a shell bottom, the height of the through rope hole is higher than the height of the shell bottom; the middle part of the shell bottom is formed with a bottom protrusion arched upward and matched with the shaft groove of the bottom part of the winding shaft; the middle part of the shell bottom is formed with a bottom hole matched with the knob column for clamping, and the bottom protrusion is arranged around the bottom hole; the bottom part of the shell bottom is formed with a bottom groove opposite to the bottom protrusion and used for clamping the knob column; the through rope hole includes a first through rope hole for the first rope to pass through and a second through rope hole for the second rope to pass through; the first through rope hole, the first clamping hole, the second through rope hole and the second clamping hole are arranged in sequence; the first through rope hole and the second through rope hole are located at opposite sides, and the adjacent first through rope hole, first clamping hole, second through rope hole and second clamping hole have a limit rotation protrusion corresponding to the base body for limiting relative rotation.

[0015] A rotating knob base includes a base body having a mounting groove for accommodating a rotating knob cylinder; the inner wall of the mounting groove is provided with a first clamping block matched with a first clamping hole and a second clamping block matched with a second clamping hole, and the first clamping block and the second clamping block both extend toward the center of the mounting groove and protrude from the surface of the inner wall of the mounting groove.

[0016] The first clamping block and the second clamping block are oppositely arranged; the base body has a surrounding wall surrounding the mounting groove; the surrounding wall is formed with an opening corresponding to the through rope hole and allowing the rope to pass through; the groove bottom of the mounting groove includes a bottom through hole in the middle part and a bottom ring wall between the bottom through hole and the surrounding wall; the bottom ring wall is formed with a limit rotation groove for the limit rotation protrusion to be correspondingly clamped; the bottom ring wall is formed with a first gap corresponding to the first clamping block and a second gap corresponding to the second clamping block, the first gap is correspondingly below the first clamping block, and the second gap is correspondingly below the second clamping block; the base body has a connecting edge connected with the base body, and the surface of the connecting edge is a smooth surface, has a plurality of anti-skid protrusions or has a plurality of through holes.

[0017] A kind of screw, including screw shell, screw base, knob, the winding shaft being installed in accommodating groove and being driven by knob, and the claw disc between knob and winding shaft;Screw shell, screw base, knob, winding shaft and claw disc are installed together, and knob drives winding shaft by claw disc.

[0018] Winding shaft includes the winding groove for winding rope at lower part, and the driven part being driven by claw disc at upper part;Winding shaft has upper groove wall above winding groove and lower groove wall below winding groove;Driven part includes a plurality of driven teeth arranged around the axis of winding shaft;The center of winding shaft has shaft hole, and the axis of shaft hole is same with the axis of winding shaft;Knob includes knob column passing through shaft hole;Claw disc includes claw disc main body sleeved outside knob column, elastic claw connected to the outer circle of claw disc main body and matched with tooth ring, and driving component driving winding shaft to rotate;Driving component includes swing piece, and rotating shaft connected between swing piece and claw disc main body;The axis of rotating shaft is parallel with the axis of winding shaft;Swing piece has linkage end matched with driven tooth and driving end driven by knob, rotating shaft is between linkage end and driving end, and linkage end has driving tooth matched with driven tooth;The inner side of knob is provided with driving bump that drives driving end to make linkage end engage with driven tooth when rotating forward, and relaxation bump that drives linkage end to make linkage end disengage with driven tooth when rotating reversely;The lower end of knob column is provided with clamping head clamped below bottom hole, and clamping head includes two elastic lobes and gap between two elastic lobes;Driving component is above convex ring, driven part is higher than convex ring and corresponds to driving component, and driven part is supported below claw disc main body.

[0019] The diameter of upper groove wall is greater than the inner diameter of lower cavity, and the edge is above convex ring, and the diameter of lower groove wall is smaller than the inner diameter of lower cavity;Upper groove wall is between convex ring and swing piece;The edge of lower groove wall is formed with first aperture corresponding to first rope passing hole for first rope to pass through, and second aperture corresponding to second rope passing hole for second rope to pass through.

[0020] The bottom of winding shaft is formed with shaft groove matched with bottom protrusion for positioning;Winding shaft is formed with first rope passing hole on one side of the axis of winding shaft and connected with first rope, and second rope passing hole on the other side of the axis of winding shaft and connected with second rope, and first rope passing hole and second rope passing hole are in winding groove;First rope passing hole includes two first hole units parallel and for first rope to pass through, and second rope passing hole includes two second hole units parallel and for second rope to pass through.

[0021] A kind of shoe, including shoe main body and screw, and screw is installed on the vamp or tongue of shoe main body.

[0022] By adopting the above technical solution, the screw-on cylinder shell, screw-on base, screw-on, and shoe of this utility model break through the structural form of the screw-on cylinder shell, screw-on base, and screw-on. In the actual installation process, the screw-on cylinder shell, screw-on base, knob, winding shaft, and claw plate are installed together. The winding shaft is installed in the receiving groove of the cylinder shell, and the claw plate is located between the knob and the winding shaft. The knob drives the winding shaft to rotate through the claw plate to wind the rope. When connecting the screw-on shell and the screw-on base, the base body uses a first protruding locking block to engage with the first locking hole of the shell body, and a second protruding locking block to engage with the second locking hole of the shell body. The first locking block engages with the first locking hole, and the second locking block engages with the second locking hole, achieving a snap-fit ​​connection between the shell and the base at different positions. This connection is less prone to disengagement or relative twisting. The first locking block hooks inward to the first locking hole, and the second locking block hooks inward to the second locking hole. Even if the base is subjected to impact, pulling, or tearing by the shell, the snap-fit ​​structure between the base and the shell is less likely to deform or tear, ensuring a secure and durable connection between the shell and the base. Furthermore, the inward protrusion of the first and second locking blocks minimizes interference with the user's operation of the knob. Compared with existing technologies, the screw-on shell, screw-on base, screw, and shoe of this invention all possess advantages such as robust structure and durability. Attached Figure Description

[0023] Figure 1 This is a top-view three-dimensional structural diagram of the cylindrical shell;

[0024] Figure 2 This is a three-dimensional structural diagram of the cylindrical shell viewed from below.

[0025] Figure 3 This is a side view of the cylindrical shell structure.

[0026] Figure 4 This is a side view of the cylindrical shell from another angle.

[0027] Figure 5 This is a top view of the cylindrical shell structure.

[0028] Figure 6 This is a schematic diagram of the cylindrical shell from below.

[0029] Figure 7 This is a schematic diagram of the cross-sectional structure of the cylindrical shell;

[0030] Figure 8 This is a cross-sectional view of the shell from another angle.

[0031] Figure 9 This is a schematic diagram of the three-dimensional structure of the base;

[0032] Figure 10 This is a cross-sectional structural diagram of the base;

[0033] Figure 11 Fig. 2 is a schematic view of a top structure of the base;

[0034] Figure 12 Fig. 3 is a schematic view of a bottom structure of the base;

[0035] Figure 13 Fig. 4 is a schematic view of an exploded structure of the knob;

[0036] Figure 14 Fig. 5 is a schematic view of a sectional structure of the knob;

[0037] Figure 15 Fig. 6 is a schematic view of a sectional structure of the knob at another angle;

[0038] Figure 16 Fig. 7 is a schematic view of a perspective structure of the knob at a bottom angle;

[0039] Figure 17 Fig. 8 is a schematic view of a perspective structure of the pawl plate at a top angle;

[0040] Figure 18 Fig. 9 is a schematic view of a perspective structure of the pawl plate at a bottom angle;

[0041] Figure 19 Fig. 10 is a schematic view of a sectional structure of the winding shaft;

[0042] Figure 20 Fig. 11 is a schematic view of a bottom structure of the winding shaft;

[0043] Figure 21 Fig. 12 is a schematic view of a side structure of the winding shaft;

[0044] Figure 22 Fig. 13 is a schematic view of a side structure of the winding shaft at another angle;

[0045] Figure 23 Fig. 14 is a schematic view of the winding shaft in a mounted state with the rope;

[0046] Figure 24 Fig. 15 is a schematic view of a bottom structure of the winding shaft in a perspective state cooperating with the knob and the pawl plate in a rotating state in a tightening direction;

[0047] Figures 1-25 Fig. 16 is a schematic view of a bottom structure of the winding shaft in a perspective state cooperating with the knob and the pawl plate in a rotating state in a loosening direction.

[0048] In the drawings:

[0049] 1 - shell body, 11 - containing cavity, 111 - lower cavity, 112 - upper cavity, 113 - convex ring, 114 - ring groove, 1141 - first slot hole, 1142 - second slot hole, 115 - shell bottom, 1151 - bottom protrusion, 1152 - bottom hole, 1153 - bottom groove, 12 - through rope hole, 121 - first through rope hole, 122 - second through rope hole, 13 - first clamping hole, 131 - first hole bottom wall, 1311 - first step inclined surface, 132 - first hole side wall, 14 - second clamping hole, 141 - second hole bottom wall, 1411 - second step inclined surface, 142 - second hole side wall, 15 - tooth ring, 151 - ring tooth, 16 - rotation limiting protrusion

[0050] 2 - base body, 21 - mounting groove, 211 - bottom through hole, 212 - bottom ring wall, 2121 - rotation limiting groove, 2122 - first notch, 2123 - second notch, 22 - first clamping block, 23 - second clamping block, 24 - surrounding wall, 241 - gap, 2411 - first gap, 2412 - second gap, 25 - connecting edge

[0051] 3 - knob, 31 - knob column, 311 - clamping head, 3111 - elastic lobe, 3112 - gap, 32 - driving protrusion, 33 - loosening protrusion, 4 - winding shaft, 41 - winding groove, 42 - driven part, 421 - driven tooth, 43 - upper groove wall, 44 - lower groove wall, 441 - first through hole, 442 - second through hole, 45 - shaft hole, 46 - shaft groove, 47 - first rope passing hole, 471 - first hole unit, 48 - second rope passing hole, 481 - second hole unit, 5 - rope, 6 - clamping claw disc, 61 - claw disc body, 611 - disc hole, 62 - elastic clamping claw, 63 - driving part, 631 - swing piece, 6311 - driving tooth, 632 - rotation shaft. DETAILED DESCRIPTION

[0052] In order to further explain the technical scheme of the utility model, the following will be described in detail through specific embodiments.

[0053] A rotating buckle cylinder shell of the utility model, such as Figures 1-25As shown, including shell body 1; shell body 1 has the accommodation cavity 11 accommodating winding shaft 4, and the rope hole 12 communicating the accommodation cavity 11 and the outside; shell body 1 has the first card hole 13 for the first clamping block 22 of base body 2 to cooperate and card into, and the second card hole 14 for the second clamping block 23 of base body 2 to cooperate and card into. The utility model in the actual installation process, when connecting the screw knob cylinder shell and the screw knob base, the shell body 1 is through the first card hole 13 and the first clamping block 22 of base body 2 corresponds and supplies the first clamping block 22 carding, and the second card hole 14 and the second clamping block 23 of base body 2 correspond and supply the second clamping block 23 carding, using the first clamping block 22 and the first card hole 13 the position of being stuck, using the second clamping block 23 and the second card hole 14 the position of being stuck, realize the snap connection of the different positions of cylinder shell and base, not easy to buckle and relative twist, the first clamping block 22 hooks the first card hole 13, the second clamping block 23 hooks the second card hole 14, even if the base is impacted, pulled, torn by cylinder shell, the buckle structure of base and cylinder shell is not easy to appear deformation and base tearing condition, cylinder shell and base are not easy to damage, ensure that the cylinder shell and base connection is firm, durable. The specific structure can be, the first card hole 13 and the second card hole 14 are formed by the recess of the circumferential surface of shell body 1 to the direction of accommodation cavity 11, and the first card hole 13 and the second card hole 14 are arranged to the opposite direction, this structure can make the first card hole 13 and the first clamping block 22, and the second card hole 14 and the second clamping block 23 simultaneously from the front and back two directions of cylinder shell to the mutual buckle limiting of cylinder shell and base, and make the first clamping block 22 and the second clamping block 23 from the outer ring to the first card hole 13 and the second card hole 14 are hooked, the inside and outside cooperation of cylinder shell and base mutually enhances the front and back buckle strength, avoids the buckle; define when winding shaft 4 rotates to the direction of tightening rope 5 as the tightening direction, rotates to the direction of loosening rope 5 as the loosening direction.The inner side of the shell body 1 is formed with a tooth ring 15, the tooth ring 15 comprises a plurality of ring teeth 151 arranged around the axis of the winding shaft 4, the shell body 1 is static relative to the base, the knob 3 and the pawl disc 6 can rotate relative to the shell body 1, the elastic pawl 62 of the pawl disc 6 can cooperate with the ring teeth 151 of the tooth ring 15 to realize one-way rotation in the tightening direction and one-way locking in the loosening direction, only when the winding shaft 4 is unlocked, the winding shaft 4 is allowed to rotate in the loosening direction to realize that the rope 5 can be loosened; the accommodating cavity 11 comprises a lower cavity body 111 for accommodating the winding shaft 4 and an upper cavity body 112 for forming the tooth ring 15, the lower cavity body 111 can accommodate and limit the winding shaft 4, so that the rope 5 is wound in the lower cavity body 111, and the rope 5 does not interfere with the dynamic cooperation of the tooth ring 15 and the pawl disc 6 in the upper cavity body 112; the inner diameter of the lower cavity body 111 is smaller than that of the upper cavity body 112, and an annular step is formed between the upper cavity body 112 and the lower cavity body 111, which can accurately limit the winding shaft 4 in the lower cavity body 111, avoid the shaking of the winding shaft 4, and make the tooth ring 15 and the pawl disc 6 cooperate with each other, and the upper part of the winding shaft 4 can be inserted into the upper cavity body 112 to cooperate with the pawl disc 6; the annular step is formed with a convex ring 113 protruding upward and arranged around the axis of the winding shaft 4, the convex ring 113 and the tooth ring 15 form a ring groove 114 for accommodating the elastic pawl 62, when the pawl disc 6 is installed in cooperation with the barrel shell, the ring groove 114 formed between the convex ring 113 and the tooth ring 15 can match and accommodate the elastic pawl 62, so that the elastic pawl 62 and the tooth ring 15 cooperate smoothly and accurately, and the convex ring 113 can support the upper groove wall 43 of the winding shaft 4 or the pawl disc 6, to ensure the accurate working position and state of the corresponding parts.Further, the bottom of the ring groove 114 is formed with a first groove hole 1141 communicating with the first clamping hole 13 and a second groove hole 1142 communicating with the second clamping hole 14, the first groove hole 1141 facilitates the demolding of the bottom wall of the first clamping hole 13, and the second groove hole 1142 facilitates the demolding of the bottom wall of the second clamping hole 14, and the first groove hole 1141 and the second groove hole 1142 facilitate the operation and observation of the first clamping hole 13, the first clamping block 22, the second clamping hole 14 and the second clamping block 23; the shell body 1 is formed with a first bottom wall 131 corresponding to the first groove hole 1141 and clamped by the first clamping block 22 below the first clamping hole 13, and a second bottom wall 141 corresponding to the second groove hole 1142 and clamped by the second clamping block 23 below the second clamping hole 14, the first bottom wall 131 can be clamped by the first clamping block 22, the second bottom wall 141 can be clamped by the second clamping block 23, and the shell and the base are firmly clamped; the two ends of the first bottom wall 131 are connected with the two end edges of the first groove hole 1141 through the first hole side wall 132, and the two ends of the second bottom wall 141 are connected with the two end edges of the second groove hole 1142 through the second hole side wall 142, the first hole side wall 132 can strengthen the first bottom wall 131, and the second hole side wall 142 can strengthen the second bottom wall 141, so as to ensure that the first bottom wall 131 and the second bottom wall 141 are not easily deformed and damaged, and the clamping strength of the shell and the base is ensured; the outer edge of the lower surface of the first bottom wall 131 is formed with a first step inclined surface 1311 facilitating the clamping of the first clamping block 22 into the first clamping hole 13, and the outer edge of the lower surface of the second bottom wall 141 is formed with a second step inclined surface 1411 facilitating the clamping of the second clamping block 23 into the second clamping hole 14, which facilitates the one-way clamping operation of the first clamping hole 13 and the first clamping block 22, and the one-way clamping operation of the second clamping hole 14 and the second clamping block 23. The shell can be made of PC, POM and other relatively hard resin materials.

[0054] Preferably, the bottom of the accommodating cavity 11 has a shell bottom 115, the height of the through-rope hole 12 is higher than the height of the shell bottom 115, which facilitates the correspondence between the through-rope hole 12 and the winding groove 41 of the winding shaft 4 above the shell bottom 115, and ensures the smoothness of the winding and unwinding of the rope 5; the middle of the shell bottom 115 is formed with a bottom protrusion 1151 which is upwardly arched and corresponds to and cooperatively positions the shaft groove 46 at the bottom of the winding shaft 4; when the winding shaft 4 is positioned in the accommodating cavity 11, the bottom protrusion 1151 cooperatively positions the winding shaft 4 with the shaft groove 46 at the bottom of the winding shaft 4, which facilitates the accurate alignment of the bottom hole 1152 of the shell bottom 115 with the shaft hole 45 of the winding shaft 4 for the penetration of the knob column 31, and ensures the accurate working position of the winding shaft 4 during use; specifically, the bottom protrusion 1151 can be conical or circular-tapered, which has the effect of positioning and aligning, and the shaft groove 46 can be conical or circular-tapered which matches the bottom protrusion 1151.The bottom hole 1152 is formed in the middle of the shell bottom 115 and matches the buckle of the knob column 31. The bottom protrusion 1151 is arranged around the bottom hole 1152. When the winding shaft 4, the barrel shell, the claw disc 6, and the knob 3 and other components are assembled together, the bottom hole 1152 is used for the knob column 31 of the knob 3 penetrating through the shaft hole 45 and buckling to match, so as to position and install the winding shaft 4, the barrel shell, the claw disc 6, and the knob 3 together, ensure the integrity and working stability, and the bottom protrusion 1151 around the bottom hole 1152 can be matched with the shaft groove 46 to further accurately limit the rotation of the winding shaft 4. The bottom of the shell bottom 115 is formed with a bottom groove 1153 opposite to the bottom protrusion 1151 and used for accommodating the clamping head 311 of the knob column 31. When the knob column 31 is buckled together with the bottom hole 1152, the bottom groove 1153 can accommodate the clamping head 311 at the lower end of the knob column 31, so as to avoid the clamping head 311 protruding downward to affect the rotation of the knob 3 and interfere with the matching installation of the barrel shell and the base. The through rope hole 12 includes the first through rope hole 121 for the first rope 5 to pass through and the second through rope hole 122 for the second rope 5 to pass through. The first through rope hole 121, the first clamping hole 13, the second through rope hole 122, and the second clamping hole 14 are arranged in sequence. This structure can wind and unwind the two ropes 5 or the two ends of one rope 5 and balance the pulling force of the first rope 5 and the second rope 5 on both sides of the front and rear buckling positions of the barrel shell and the base. The first through rope hole 121 and the second through rope hole 122 are located on opposite sides, and the adjacent first through rope hole 121, first clamping hole 13, second through rope hole 122, and second clamping hole 14 have a rotation limiting protrusion 16 corresponding to the base body 2 to limit the relative rotation. The rotation limiting protrusion 16 and the base body 2 are matched and clamped to limit the rotation of the barrel shell relative to the base and ensure the clamping effect of the barrel shell and the base, so as to avoid the relative rotation of the barrel shell and the base and the unclamping. Moreover, the rotation limiting protrusion 16 between the first through rope hole 121, the first clamping hole 13, the second through rope hole 122, and the second clamping hole 14 can limit the relative rotation of the barrel shell and the base in all directions, so as to ensure the rotation limiting strength and the clamping strength. The specific structure can be that the first through rope hole 121 and the second through rope hole 122 are both in the form of an open mouth with an outer large and inner small size and are arranged in a central symmetry form with the axis of the winding shaft 4 as the center, so as to facilitate the workers to install at any angle.

[0055] A rotary buckle base, such as Figures 1-25As shown, including base body 2, base body 2 has the installation groove 21 for the screw cylinder shell is installed, the inner wall of installation groove 21 is equipped with the first clamping block 22 that is matched and is inserted into the first card hole 13 and the second clamping block 23 that is matched and is inserted into the second card hole 14, the first clamping block 22 and the second clamping block 23 all extend towards the center of installation groove 21 and protrude from the inner wall surface of installation groove 21, the first clamping block 22 that extends and protrudes inwardly facilitates the buckle and stretches into the first card hole 13 to ensure the buckle strength here, the second clamping block 23 that extends and protrudes inwardly facilitates the buckle and stretches into the second card hole 14 to ensure the buckle strength here, effectively avoid the straight pull type of the shell and the base appears the situation of the buckle, the utility model discloses in actual installation process, when connecting screw cylinder shell and screw base, base body 2 is inserted into the first card hole 13 of shell body 1 through the first clamping block 22 that protrudes inwardly, is inserted into the second card hole 14 of shell body 1 through the second clamping block 23 that protrudes inwardly, utilizes the first clamping block 22 and is inserted into the position where the first card hole 13 is located inwardly, utilizes the second clamping block 23 and is inserted into the position where the second card hole 14 is located inwardly, realize the buckle connection of the shell and the base in different positions, not easy to buckle and relative twist, the first clamping block 22 is hooked in the first card hole 13 inwardly, the second clamping block 23 is hooked in the second card hole 14 inwardly, even if the base is impacted, pulled, torn by the shell, the buckle structure of the base and the shell is not easy to appear the deformation and the tearing of the base, the shell and the base are not easy to damage, ensure that the shell and the base are connected firmly, durable. And the first clamping block 22 and the second clamping block 23 protrude inwardly not easy to interfere with the user to operate knob 3.Specific structure can be, the first block 22 and the second block 23 are arranged oppositely, this structure can make the first card hole 13 and the first block 22, and the second card hole 14 and the second block 23 are simultaneously buckled from the front and rear two directions of the barrel shell and the base and are limited to each other, and make the first block 22 and the second block 23 are hooked from the outer ring to the first card hole 13 and the second card hole 14, the barrel shell and the base are mutually enhanced in inner and outer cooperation, the front and rear buckling strength is avoided to be buckled;The base body 2 has the surrounding wall 24 around the mounting groove 21, when the barrel shell is installed with the base, the lower end of the barrel shell is embedded in the mounting groove 21, the surrounding wall 24 can be all-around wrapped in the lower end of the barrel shell periphery, and the barrel shell is all-around limited;The surrounding wall 24 is formed with the aperture 241 corresponding with the rope hole 12 and for the rope 5 to pass through, this aperture 241 can smoothly pass through the surrounding wall 24 for the rope 5, specific structure can be, the aperture 241 includes the first aperture 2411 corresponding with the first rope hole 121 and the second aperture 2412 corresponding with the second rope hole 122;The groove bottom of the mounting groove 21 includes the bottom through hole 211 in the middle, and the bottom ring wall 212 between the bottom through hole 211 and the surrounding wall 24;The bottom ring wall 212 is formed with the rotation limiting groove 2121 for the rotation limiting lug 16 to be correspondingly buckled, the bottom through hole 211 and the bottom ring wall 212 can more effectively form the rotation limiting groove 2121 and can make the base not easy to be deformed in the injection molding process, and the bottom ring wall 212 can be used as the reinforcing rib of the surrounding wall 24, so that the surrounding wall 24 is not easy to be deformed and affect the buckling strength of the base and the barrel shell.When the barrel shell is buckled and installed with the base, the rotation limiting lug 16 of the barrel shell is embedded in cooperation with the rotation limiting groove 2121, the rotation of the barrel shell relative to the base can be limited to ensure the buckling effect of the barrel shell and the base, and the relative rotation of the barrel shell and the base is avoided to be buckled.The bottom ring wall 212 is formed with the first notch 2122 corresponding with the first block 22 and the second notch 2123 corresponding with the second block 23, the first notch 2122 is correspondingly below the first block 22, and the second notch 2123 is correspondingly below the second block 23.This structure facilitates the first block 22 and the second block 23 to be demolded and formed, and the first block 22 and the second block 23 can be formed into the hook shape that can hook the first card hole 13 and the second card hole 14.In order to facilitate the base to be connected with the base body, further structure can be, the base body 2 has the connecting edge 25 connected with the base body, the surface of the connecting edge 25 is smooth, has a plurality of anti-skid convex points or has a plurality of through holes.The anti-skid convex point or the through hole can all play the anti-skid effect, facilitate the positioning connection of the connecting edge 25 and the base body, and the through hole facilitates the connecting wire or the suture needle to pass through and be connected with the surface of the base body by sewing.The specific structure can be, the connecting edge 25 is a flat plate or an arc plate that can adapt to the base body.In order to facilitate the first block 22 tip upper surface is formed with a first card block inclined surface to facilitate the first hole bottom wall 131 card into the installation groove 21, the tip of the second card block 23 upper surface is formed with a second card block inclined surface to facilitate the second hole bottom wall 141 card into the installation groove 21. First card block 22 and second card block 23 below the reinforcing rib, to ensure the strength of both. The base can be used in nylon, TPU, TPE, PE and other flexible resin material.

[0056] A screw, such as ​As shown, including the rotating buckle shell, rotating buckle base, knob 3, installed in the containing groove and driven by the knob 3 winding shaft 4, and the claw disc 6 between the knob 3 and winding shaft 4; The rotating buckle shell, rotating buckle base, knob 3, winding shaft 4 and claw disc 6 are installed together, and the knob 3 drives the winding shaft 4 through the claw disc 6. The utility model in the actual installation process, the rotating buckle shell, rotating buckle base, knob 3, winding shaft 4 and claw disc 6 are installed together, winding shaft 4 is installed in the containing groove of the shell, claw disc 6 is between knob 3 and winding shaft 4, knob 3 is installed on the upper end of the rotating buckle shell and winding shaft 4 and claw disc 6 are wrapped inside, and knob 3 drives winding shaft 4 to rotate through claw disc 6 and rope 5 is wound. When connecting the rotating buckle shell and the rotating buckle base, the base body 2 is correspondingly clamped into the first clamping hole 13 of the shell body 1 through the inwardly protruding first clamping block 22, and the second clamping block 23 is correspondingly clamped into the second clamping hole 14 of the shell body 1, the first clamping block 22 is clamped inwardly to the position where the first clamping hole 13 is located, the second clamping block 23 is clamped inwardly to the position where the second clamping hole 14 is located, the rotating buckle shell and the base are connected at different positions, and the rotating buckle shell and the base are not easy to be buckled and twisted relatively, the first clamping block 22 is inwardly hooked to the first clamping hole 13, the second clamping block 23 is inwardly hooked to the second clamping hole 14, even if the base is impacted, pulled, torn and the like by the shell, the clamping structure of the base and the shell is not easy to be deformed and the base is not easy to be torn, the shell and the base are not easy to be damaged, the connection between the shell and the base is firm and durable. Moreover, the first clamping block 22 and the second clamping block 23 protrude inwardly and are not easy to interfere with the user to operate the knob 3.Specific structure can be, winding shaft 4 includes in lower part for winding rope 5 winding groove 41, and in upper part driven by pawl disc 6 driven part 42; winding shaft 4 is wound by winding groove 41 and carries out accommodation, knob 3 drives winding shaft 4 by pawl disc 6 drive part 42 driven part 42 of winding shaft 4 and drives winding shaft 4 along the direction of tightening rope 5 rotation; winding shaft 4 has upper groove wall 43 at winding groove 41 above and lower groove wall 44 at winding groove 41 below, and upper groove wall 43 and lower groove wall 44 constitute winding groove 41 between, and upper groove wall 43 and lower groove wall 44 can limit the winding rope 5 in the area of winding groove 41 and be received; driven part 42 includes a plurality of driven teeth 421 arranged around the axis of winding shaft 4, and driven teeth 421 can be contacted by driving member 63 of pawl disc 6 to be pushed or moved; the center of winding shaft 4 has shaft hole 45, and the axis of shaft hole 45 is same with the axis of winding shaft 4, and this structure makes winding shaft 4 rotate smoothly in the cylinder with knob column 31 as the shaft; knob 3 includes knob column 31 penetrating shaft hole 45, and knob column 31 plays the role of shaft and positioning to winding shaft 4; pawl disc 6 includes claw disc main body 61 sleeved outside knob column 31, elastic pawl 62 connected to the outer circle of claw disc main body 61 and matched with ring gear 15, and driving member 63 driving winding shaft 4 to rotate; elastic pawl 62 gradually extends towards the direction of loosening rope 5 from the root to the end, and ring teeth 151 inclines towards the direction of tightening rope 5, and pawl disc 6 rotates around knob column 31 within a certain angle range by disc hole 611 of claw disc main body 61, and only allows pawl disc 6 to rotate towards the tightening direction by the cooperation of elastic pawl 62 and ring teeth 151, and drives driven teeth 421 of winding shaft 4 by driving member 63; specific structure can be, driving member 63 includes swing piece 631, and rotating shaft 632 connected between swing piece 631 and claw disc main body 61; swing piece 631 swings by rotating shaft 632, when knob 3 rotates along the direction of tightening rope 5, knob 3 moves swing piece 631 to swing and contact driven teeth 421 and drive driven teeth 421 to drive winding shaft 4 to rotate towards the direction of tightening rope 5, and tighten rope 5, when knob 3 rotates along the direction of loosening rope 5, knob 3 moves swing piece 631 to swing and leave driven teeth 421, and winding shaft 4 is in free rotation state, and can loosen rope 5; the axis of rotating shaft 632 is parallel with the axis of winding shaft 4, can make swing piece 631 swing in the plane perpendicular to the axis of winding shaft 4, and efficiently close to or away from driven teeth 421. Specific structure can be, the inner surface of knob 3 forms arc-shaped groove accommodating the upper end of rotating shaft 632.Further, the swing piece 631 has a linkage end matched with the driven teeth 421 and a driving end driven by the knob 3, the rotating shaft 632 is between the linkage end and the driving end, the linkage end has driving teeth 6311 matched with the driven teeth 421; the inner side of the knob 3 is provided with a driving bump 32 for driving the driving end to make the linkage end engage with the driven teeth 421 when rotating forward, and a release bump 33 for driving the linkage end to make the linkage end disengage with the driven teeth 421 when rotating backward; when the knob 3 rotates in the direction of tightening the rope 5, the knob 3 drives the driving end of the swing piece 631 by the driving bump 32, so that the linkage end swings towards the driven teeth 421 and clamps the driven teeth 421, and the continuous rotation of the knob 3 can drive the swing piece 631 to drive the driven teeth 421 to rotate the winding shaft 4 in the direction of tightening the rope 5 to tighten the rope 5; when the knob 3 rotates in the direction of releasing the rope 5, the knob 3 drives the linkage end of the swing piece 631 by the release bump 33, so that the linkage end swings away from the driven teeth 421 to disengage with the driven teeth 421, and the winding shaft 4 is in a free rotating state to release the rope 5. The specific structure can be that the claw disc 6 further includes a positioning elastic arm extending in the direction opposite to the elastic claw 62, the corresponding side of the driving bump 32 is formed with a stepped surface pressure matched with the positioning elastic arm, the elasticity of the positioning elastic arm makes the stepped surface press the curved inclined part at the end of the positioning elastic arm by nature, realizes the friction engagement between the stepped surface and the positioning elastic arm, generates a certain anti-disengagement force, and makes the operator feel a certain operation damping. The specific structure can be that the claw disc main body 61 has an extension piece extending to the outer ring and limiting above the swing piece 631, which can ensure that the swing of the swing piece 631 does not deviate. Each component of the claw disc 6 can be made of metal material or partially made of metal material to ensure the strength. For example, the elastic claw 62 is a steel sheet with elasticity.The lower end of the knob column 31 is provided with a clamping head 311 clamped below the bottom hole 1152, the clamping head 311 comprises two elastic petals 3111 and a gap 3112 between the two elastic petals 3111, and the specific structure is that the outer diameter of the two elastic petals 3111 is larger than the inner diameter of the bottom hole 1152, and the size of the gap 3112 is larger than the difference between the outer diameter of the two elastic petals 3111 and the inner diameter of the bottom hole 1152. When the clamping head 311 passes through the bottom hole 1152, the two elastic petals 3111 are extruded by the bottom hole 1152 and approach each other by using the gap 3112, so as to pass through the bottom hole 1152. When the clamping head 311 passes through the bottom hole 1152, the two elastic petals 3111 are no longer extruded by the bottom hole 1152 and are opened, and then are clamped in the lower part of the bottom hole 1152. The elastic petals 3111 have a clamping step clamped in the lower part of the bottom hole 1152. The driving component 63 is above the convex ring 113, the driven part 42 is higher than the convex ring 113 and corresponds to the driving component 63, the driven part 42 is supported below the claw disc body 61, and the specific structure is that the upper end of the driven part 42 and the lower surface of the claw disc body 61 are in plane contact, and the driven part 42 ensures the accuracy of the working position of the claw disc 6 by supporting the claw disc body 61, so that movement and deviation are not easy to occur. Moreover, there is a gap between the driving component 63 and the convex ring 113, so as to avoid the interference of the convex ring 113 with the rotation of the driving component 63 with the claw disc 6. The specific structure can be that the knob 3 comprises a knob top wall and a knob side wall, the knob column 31 is formed on the inner side of the knob top wall, the knob side wall is on the outer periphery of the shell body 1, the inner side of the lower part of the knob side wall is formed with a clamping hook extending towards the shell body 1, and the three clamping hooks are arranged uniformly around the knob column 31. The outer side of the upper part of the shell body 1 is formed with a clamping ring for the clamping hook to hook, the clamping ring is a complete ring, and the upper part of the outer circle of the clamping ring is formed with a ring inclined surface for the clamping hook to enter by force. The edge of the clamping hook is also formed with a hook inclined surface matched with the ring inclined surface. When the clamping hook and the clamping ring are buckled together, the knob 3 and the barrel shell can be buckled together and can rotate relative to each other.Specific structure can be, the diameter of the upper groove wall 43 is greater than the inner diameter of the lower cavity 111, and the edge is above the convex ring 113, the diameter of the lower groove wall 44 is less than the inner diameter of the lower cavity 111, this structure can make the convex ring 113 support the upper groove wall 43, ensure that the winding shaft 4 rotates smoothly, also ensure that the lower groove wall 44 is smoothly loaded into the lower cavity 111 and rotates smoothly, but the distance between the edge of the lower groove wall 44 and the inner wall of the lower cavity 111 is preferably between 0.05-1mm, too small distance will affect the smoothness of the winding shaft 4 rotation due to injection error, too large distance will make the lower groove wall 44 lose the limit of the lower cavity 111 and affect the strength of the rope 5 pulling; The upper groove wall 43 is between the convex ring 113 and the swing piece 631, so that the convex ring 113 and the swing piece 631 limit the upper groove wall 43 at the same time, ensure that the winding shaft 4 rotates smoothly; The edge of the lower groove wall 44 is formed with a first notch hole 441 corresponding to the first rope passing hole 47 for the first rope 5 to pass through, and a second notch hole 442 corresponding to the second rope passing hole 48 for the second rope 5 to pass through; When the rope 5 passes through the first rope passing hole 47 and the second rope passing hole 48 of the winding shaft 4 corresponding to the first rope passing hole 121 and the second rope passing hole 122 of the barrel shell and is tied respectively, the next step is to load the winding shaft 4 into the accommodating cavity 11, the first notch hole 441 can pass through the first rope 5, the second notch hole 442 can pass through the second rope 5, avoid the first rope 5 and the second rope 5 being extruded by the lower groove wall 44 and the inner wall of the accommodating cavity 11 to affect the loading of the winding shaft 4.

[0057] The bottom of the winding shaft 4 is formed with a shaft groove 46 corresponding to the cooperation positioning of the bottom protrusion 1151. When the winding shaft 4 is placed in the accommodating cavity 11, the bottom protrusion 1151 can cooperate with the shaft groove 46 at the bottom of the winding shaft 4 to position the winding shaft 4, and the bottom hole 1152 of the shell bottom 115 can be accurately aligned with the shaft hole 45 of the winding shaft 4 for the knob column 31 to penetrate, and the accurate working position of the winding shaft 4 can be ensured during use; The winding shaft 4 is formed with a first rope passing hole 47 on one side of the axis of the winding shaft 4 and connected with the first rope 5, and a second rope passing hole 48 on the other side of the axis of the winding shaft 4 and connected with the second rope 5, the first rope passing hole 47 and the second rope passing hole 48 are in the winding groove 41; The first rope passing hole 47 includes two first hole units 471 parallel to each other and through which the first rope 5 passes, and the second rope passing hole 48 includes two second hole units 481 parallel to each other and through which the second rope 5 passes. This structure can make the rope 5 be tied in the winding groove 41 and be wound in the winding groove 41 in a standardized manner, and the two hole units of the rope passing hole can directly connect and fix the rope 5 by inserting back and forth, without having to tie a knot, which is convenient and efficient. When the winding groove 41 forms a knot groove at the end of the hole unit to accommodate the knot, only one hole unit can be used to tie a knot, and the function is flexible and diverse. The specific structure can be that the winding shaft 4 includes a shaft body forming a winding groove 41 groove bottom and winding the rope 5, the upper part of the shaft body is smaller in diameter than the lower part of the shaft body; The first rope passing hole 47 and the second rope passing hole 48 are formed in the shaft body, and the first hole unit 471 on the upper side is closer to the axis of the winding shaft 4 than the first hole unit 471 on the lower side, and the second hole unit 481 on the upper side is closer to the axis of the winding shaft 4 than the second hole unit 481 on the lower side. This structure can make the two hole units of each rope passing hole have enough distance space, avoid the hole unit spacing being too small to affect demolding and strength, and the upper thin and lower thick shaft body can make the wound rope 5 gradually concentrate to the upper part of the winding groove 41, ensure that the wound rope 5 does not easily block the through rope hole 12, and ensure the smoothness of the wound rope 5 and the rotation stability and stress balance of the winding shaft 4.

[0058] In order to ensure that the first card block 22 and the first card hole 13 are more matched with the buckling, and the second card block 23 and the second card hole 14 are more matched with the buckling, the first slot hole 1141 and the second slot hole 1142 are both circular arc shapes matched with the arc of the ring groove 114, or are both circular arc shapes around the axis of the winding shaft 4. The first slot hole 1141 has a first slot inner circumferential wall close to one side of the winding shaft 4, and the second slot hole 1142 has a second slot inner circumferential wall close to one side of the winding shaft 4; the first slot inner circumferential wall and the second slot inner circumferential wall are both circular arc shapes matched with the arc of the ring groove 114; the first card block 22 and the second card block 23 are located in the circular arc shape matched with the ring groove 114; the inner end of the first card block 22 and the second card block 23 is a circular arc shape matched with the first slot inner circumferential wall, the inner end of the first card block 22 is a circular arc shape matched with the first slot inner circumferential wall, and the inner end of the second card block 23 is a circular arc shape matched with the second slot inner circumferential wall.

[0059] A shoe includes a shoe body and a spin buckle mounted to an upper or tongue of the shoe body.

[0060] The product form of the utility model is not limited to the drawings and examples of the case, and any appropriate changes or modifications of the similar ideas should be considered as not departing from the patent category of the utility model.

Claims

1. A spinning barrel, comprising a barrel body; the barrel body has a receiving cavity for receiving a winding shaft, and a through-rope hole for communicating the receiving cavity with the outside; characterized in that: The shell body has a first clamping hole for clamping the first clamping block of the base body and a second clamping hole for clamping the second clamping block of the base body.

2. The spin-on barrel case of claim 1, wherein: The first clamping hole and the second clamping hole are formed by recesses on the peripheral surface of the shell body towards the accommodating cavity, and the first clamping hole and the second clamping hole are arranged towards opposite directions; the inner side of the shell body is formed with a tooth ring, the tooth ring includes a plurality of ring teeth arranged around the winding shaft axis; the accommodating cavity includes a lower cavity at the lower part for accommodating the winding shaft, and an upper cavity at the upper part and forming the tooth ring; the inner diameter of the lower cavity is smaller than the inner diameter of the upper cavity, and an annular step is formed between the upper cavity and the lower cavity; the annular step is formed with a convex ring protruding upwards and arranged around the winding shaft axis, and an annular groove for accommodating the elastic clamping pawl is formed between the convex ring and the tooth ring.

3. The spin-on barrel according to claim 2, wherein: The groove bottom of the annular groove is formed with a first groove hole communicating with the first clamping hole downwards and a second groove hole communicating with the second clamping hole; the shell body is formed with a first hole bottom wall corresponding to the first groove hole and clamping the first clamping block below the first clamping hole, and a second hole bottom wall corresponding to the second groove hole and clamping the second clamping block below the second clamping hole; the two ends of the first hole bottom wall are connected with the two end edges of the first groove hole through the first hole side wall, and the two ends of the second hole bottom wall are connected with the two end edges of the second groove hole through the second hole side wall; the outer edge of the lower surface of the first hole bottom wall is formed with a first natural step inclined surface facilitating the first clamping block to be clamped into the first clamping hole, and the outer edge of the lower surface of the second hole bottom wall is formed with a second natural step inclined surface facilitating the second clamping block to be clamped into the second clamping hole.

4. The spin-on barrel according to claim 1, wherein: The bottom of the accommodating cavity has a shell bottom, the height of the through rope hole is higher than the height of the shell bottom; the middle part of the shell bottom is formed with a bottom protrusion protruding upwards and corresponding to the shaft groove of the bottom part of the winding shaft for positioning; the middle part of the shell bottom is formed with a bottom hole for clamping the knob column, and the bottom protrusion is arranged around the bottom hole; the bottom of the shell bottom is formed with a bottom groove corresponding to the bottom protrusion for accommodating the clamping head of the knob column; the through rope hole includes a first through rope hole for passing the first rope and a second through rope hole for passing the second rope; the first through rope hole, the first clamping hole, the second through rope hole and the second clamping hole are arranged in sequence; the first through rope hole and the second through rope hole are on opposite sides, and the adjacent first through rope hole, first clamping hole, second through rope hole and second clamping hole have a rotation limiting protrusion corresponding to the base body for limiting relative rotation.

5. A spinning base cooperating with the spinning shell of any one of claims 1-4, comprising a base body having a mounting slot for the spinning shell to be fitted into; characterized in that: The inner wall of the mounting groove is provided with the first clamping block clamped into the first clamping hole and the second clamping block clamped into the second clamping hole, and the first clamping block and the second clamping block both extend towards the center of the mounting groove and protrude from the inner wall surface of the mounting groove.

6. The swivel base of claim 5, wherein: The first clamping block and the second clamping block are oppositely arranged; the base body has a surrounding wall surrounding the mounting groove; the surrounding wall is formed with an opening corresponding to the rope passing hole and for the rope to pass through; the groove bottom of the mounting groove comprises a bottom through hole at the middle part and a bottom ring wall between the bottom through hole and the surrounding wall; the bottom ring wall is formed with a rotation limiting groove for the rotation limiting block to be correspondingly clamped; the bottom ring wall is formed with a first notch corresponding to the first clamping block and a second notch corresponding to the second clamping block, the first notch is correspondingly below the first clamping block, and the second notch is correspondingly below the second clamping block; the base body has a connecting edge connected with the base body, and the surface of the connecting edge is a smooth surface, has a plurality of anti-skid protrusions or has a plurality of through holes.

7. A clasp based on the clasp base of claim 6, characterized in that: The winding shaft is installed in the accommodating groove and is driven by the knob; and the pawl disc is between the knob and the winding shaft.

8. The spinning thimble of claim 7, wherein: The winding shaft comprises a winding groove at the lower part for winding the rope and a driven part at the upper part driven by the pawl disc; the winding shaft has an upper groove wall above the winding groove and a lower groove wall below the winding groove; the driven part comprises a plurality of driven teeth arranged around the axis of the winding shaft; the center of the winding shaft has a shaft hole, and the axis of the shaft hole is the same as the axis of the winding shaft; the knob comprises a knob column penetrating the shaft hole; the pawl disc comprises a pawl disc body sleeved outside the knob column, elastic pawls connected to the outer circle of the pawl disc body and matched with the tooth ring, and a driving component for driving the winding shaft to rotate; the driving component comprises a swing piece and a rotating shaft connected between the swing piece and the pawl disc body; the axis of the rotating shaft is parallel to the axis of the winding shaft; the swing piece has a linkage end matched with the driven teeth and a driving end driven by the knob, the rotating shaft is between the linkage end and the driving end, and the linkage end has a driving tooth matched with the driven teeth; the inner side surface of the knob is provided with a driving protrusion for driving the driving end to engage the linkage end with the driven teeth when rotating forward, and a relaxation protrusion for driving the linkage end to disengage the linkage end from the driven teeth when rotating reversely; the lower end of the knob column is provided with a clamping head clamped below the bottom hole, the clamping head comprises two elastic lobes and a gap between the two elastic lobes; the driving component is above the protruding ring, the driven part is higher than the protruding ring and corresponds to the driving component, and the driven part is supported below the pawl disc body.

9. The spinning thimble of claim 8, wherein: The diameter of the upper groove wall is greater than the inner diameter of the lower cavity, and the edge is above the protruding ring; the diameter of the lower groove wall is smaller than the inner diameter of the lower cavity; the upper groove wall is between the protruding ring and the swing piece; the edge of the lower groove wall is formed with a first opening hole corresponding to the first rope passing hole for the first rope to pass through, and a second opening hole corresponding to the second rope passing hole for the second rope to pass through.

10. The spinning buckle of claim 7, wherein: The bottom of the winding shaft is formed with a shaft groove corresponding to and matched with the bottom protrusion for positioning; the winding shaft is formed with a first rope passing hole on one side of the axis of the winding shaft and connected with the first rope, and a second rope passing hole on the other side of the axis of the winding shaft and connected with the second rope, the first rope passing hole and the second rope passing hole are in the winding groove; the first rope passing hole comprises two first hole units parallel to each other and for the first rope to pass through, and the second rope passing hole comprises two second hole units parallel to each other and for the second rope to pass through.

11. A shoe based on the swivel buckle of claim 7, characterized in that: The shoe body further includes a shoe upper and a tongue, and the rotary buckle is mounted on the shoe upper or the tongue.

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