Spinning buckle combined type base and spinning buckle

Abstract

According to the rotary buckle combined type base, the combination mode of the connecting base and the adapter is adopted, the connecting base and the adapter can be independently machined, materials conforming to the corresponding performance can be flexibly screwed, the connecting base with a simple structure can be firstly connected with an article base body, for example, the connecting base is sewn on a vamp, and then the connecting base is connected with the article base body. And then the adapter seat with a simple structure is connected with the connecting base in a buckling manner, and then the barrel shell is connected with the adapter seat in a buckling manner, so that the installation of the whole rotary buckle comprising the winding shaft, the rotary knob and other components and the object base body can be realized. Specifically, the connecting base is connected with an article base body such as a vamp through the connecting edge in the modes of sewing, gluing and the like, the adapter is connected with the bottom buckling part of the connecting base in a buckled mode through the first base buckling part, and the adapter is connected with the barrel shell in a buckled mode through the second base buckling part. Compared with the prior art, the utility model has the advantages of flexible and convenient installation with the article base body, strong practicability and the like. The utility model further provides a rotary buckle.

Description

TECHNICAL FIELD

[0001] The utility model relates to daily life field, concretely relates to a screw buckle combined base and screw buckle. BACKGROUND

[0002] The opening of shoes, clothes, backpacks, hats, protective gear and other articles is usually provided with a rope or the like to tighten or loosen, and the market has appeared a screw buckle product which is more convenient than traditional shoelaces. In actual use, the structure of the base connected with the base body of the article needs to have a certain flexibility to facilitate sewing, gluing or adaptation to the shape of the base body, and the structure of the base connected with the cylinder shell needs to have a certain strength to ensure the strength of the buckle. However, the screw buckle products on the market are difficult to balance these two contradictory requirements.

[0003] The screw buckle product on the market, such as 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 connected in sequence. 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, and the stator main part or the rotor connected therewith is correspondingly provided with a pawl. The stator is provided with a gear structure, and 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 correspondingly arranged retainer. The elastic gear comprises an elastic foot and a retainer. 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 retainer. The expansion bracket has a module cavity for accommodating functional modules and a power supply. The connecting surface of the rotor is provided with a tooth, and the connecting surface of the stator main part is correspondingly provided with a pawl. The connecting surface of the stator main part is provided with a tooth, and the connecting surface of the rotor is correspondingly provided with a pawl. The lacing system further comprises a cover. The cover is connected with the rotor by a buckle. The cover comprises an accommodation cavity, which 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 fixedly connected in sequence from top to bottom. The stator main part is provided with a tooth, and the rotor is correspondingly provided with a pawl. The stator main part is provided with an elastic retainer pin. The tooth and the pawl are connected by the elastic retainer pin to achieve engagement or separation.

[0004] The utility model solves the problem of manually tying shoelaces to a certain extent by the way of winding and unwinding the rope through the knob, but it does not effectively solve the contradictory demand of the base, and because of the complex structure of the base, it is not easy to be connected with the surface of the base body such as shoes by sewing and the like, especially, it is inconvenient to be connected with the vamp of the larger-arc rear heel, which brings much trouble to workers and the practicality needs to be improved.

[0005] In view of this, the present application makes in-depth research on the above problems, and thus the present case is generated. Utility model content

[0006] One of the purposes of the utility model is to provide a buckle combination type base which is flexibly and conveniently installed with an article base body and has strong practicability.

[0007] The second purpose of the utility model is to provide a buckle which is flexibly and conveniently installed with an article base body and has strong practicability.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0009] A buckle combination type base comprises a connecting base connected with an article base body and an adapter seat buckled with a barrel shell containing a winding shaft; the connecting base and the adapter seat are in a split structure, and the adapter seat is buckled with the connecting base; the adapter seat comprises a first seat buckle part buckled with the connecting base and a second seat buckle part buckled with the barrel shell; the connecting base comprises a connecting edge connected with the article base body and a bottom buckle part buckled with the first seat buckle part.

[0010] The adapter seat has a mounting groove for mounting the barrel shell, and the mounting groove has a mounting entrance for the barrel shell; the direction of the mounting entrance towards the barrel shell is defined as up, and the opposite direction is defined as down; the first seat buckle part comprises a first buckle part one limiting the downward movement of the adapter seat relative to the connecting base and a first buckle part two limiting the upward movement of the adapter seat relative to the connecting base; the second seat buckle part comprises a second buckle part one limiting the upward movement of the barrel shell relative to the adapter seat and a second buckle part two limiting the downward movement of the barrel shell relative to the adapter seat; the connecting base has a mounting through hole for mounting the adapter seat, and the connecting edge is arranged around the mounting through hole; the bottom buckle part comprises a first bottom buckle part buckled with the first buckle part one for limiting the downward movement of the adapter seat relative to the connecting base and a second bottom buckle part buckled with the first buckle part two for limiting the upward movement of the adapter seat relative to the connecting base;

[0011] The adapter seat comprises a seat surrounding wall protruding upward and arranged around the mounting slot, and the inner circle of the seat surrounding wall forms the mounting slot; the first clamping part one and the first clamping part two are formed at at least one of the outer side of the seat surrounding wall, the upper part of the seat surrounding wall and the lower part of the seat surrounding wall; the second clamping part one is formed at at least one of the inner side of the seat surrounding wall, the upper part of the seat surrounding wall and the lower part of the seat surrounding wall in the mounting slot; the first bottom clamping part and the second bottom clamping part are formed at at least one of the inner side of the mounting through hole, the upper part of the mounting through hole and the lower part of the mounting through hole.

[0012] The first clamping part one comprises a protrusion or a groove formed on the outer side of the seat surrounding wall, the first clamping part two comprises a protrusion or a groove formed on the outer side of the seat surrounding wall, and the second clamping part one comprises a protrusion or a groove formed on the inner side of the seat surrounding wall; the connecting base comprises a bottom surrounding wall protruding upward and arranged around the mounting through hole, and the bottom surrounding wall is located at the outer circle of the seat surrounding wall; the first bottom clamping part comprises a protrusion or a groove formed on the inner side of the bottom surrounding wall.

[0013] The first clamping part one comprises a seat outer clamping block protruding outward from the outer side of the seat surrounding wall or a seat outer clamping groove recessed inward from the outer side of the seat surrounding wall, and the first clamping part two comprises a seat outer clamping part protruding outward from the outer side of the seat surrounding wall and located below the bottom surrounding wall; the second connecting clamping part is arranged inside the mounting slot; the second clamping part one comprises a seat inner clamping block protruding inward from the inner side of the seat surrounding wall or a seat inner clamping groove recessed outward from the inner side of the seat surrounding wall, and the second clamping part two comprises a groove bottom wall arranged below the barrel shell in the mounting slot; the first bottom clamping part comprises a bottom clamping block or a bottom clamping groove formed on the inner side of the bottom surrounding wall and matched with the first clamping part one.

[0014] The first clamping part one comprises two seat outer clamping blocks formed on the upper part of the outer side of the seat surrounding wall, and the two seat outer clamping blocks are located at two ends of the seat surrounding wall and protrude in opposite directions; the second clamping part one comprises two seat inner clamping grooves formed on the upper part of the inner side of the seat surrounding wall, and the two seat inner clamping grooves are located at two ends of the inner side of the seat surrounding wall and each have an inner groove upper wall at the upper part; the two seat inner clamping grooves are arranged oppositely; the upper part of the seat outer clamping block has a seat outer natural slope for the seat outer clamping block to be clamped into the mounting through hole naturally from below the mounting through hole; the upper part of the inner groove upper wall has a seat inner natural slope for the barrel shell to be clamped into the mounting slot naturally from the mounting slot; the two seat inner clamping grooves are a first seat inner clamping groove body and a second seat inner clamping groove body, and the two seat outer clamping blocks are a first seat outer clamping block body and a second seat outer clamping block body; the first seat inner clamping groove body corresponds to the first seat outer clamping block body, and the second seat inner clamping groove body corresponds to the second seat outer clamping block body; the groove bottom wall is formed with a shaped through hole corresponding to the inner groove upper wall, and the first clamping part two is formed with a shaped gap corresponding to the seat outer clamping block.

[0015] Or, the first buckle part one includes two seat outer clamping grooves formed on the upper part of the seat surrounding wall, the two seat outer clamping grooves are respectively located at the two ends of the seat surrounding wall, and the two seat outer clamping grooves are both provided with an outer groove upper wall located at the upper part and face opposite directions; the second buckle part one includes two seat inner clamping blocks formed on the upper part of the inner side of the seat surrounding wall, the two seat inner clamping blocks are respectively located at the two ends of the inner side of the seat surrounding wall and protrude towards each other; the outer groove upper wall is provided with a seat outer natural slope for the outer groove upper wall to be clamped from below the mounting hole; the upper part of the seat inner clamping block is provided with a seat inner natural slope for the barrel shell to be clamped from the mounting hole; the two seat inner clamping blocks are a first seat inner clamping block body and a second seat inner clamping block body, and the two seat outer clamping blocks are a first seat outer clamping block body and a second seat outer clamping block body; the first seat inner clamping block body corresponds to the first seat outer clamping block body, and the second seat inner clamping block body corresponds to the second seat outer clamping block body; the groove bottom wall is formed with a shaped through hole corresponding to the seat inner clamping block, and the first buckle part two is formed with a shaped notch corresponding to the outer groove upper wall.

[0016] The adapter seat further comprises a first seat rotation limiting part for limiting rotation of the adapter seat relative to the connecting base about the winding shaft axis; the connecting base comprises a bottom rotation limiting part for cooperating with the first seat rotation limiting part;

[0017] The first seat rotation limiting part comprises a seat outer rotation limiting protrusion or a seat outer rotation limiting groove formed on at least one of the outer surface of the seat surrounding wall and the upper surface of the seat outer clamping part; the bottom rotation limiting part comprises a bottom rotation limiting groove or a bottom rotation limiting protrusion formed on at least one of the inner side of the mounting hole and the lower surface of the connecting base;

[0018] The first seat rotation limiting part comprises a first seat outer rotation limiting protrusion formed on the outer side of the seat surrounding wall and protruding outward, and two second seat outer rotation limiting protrusions respectively located on the two sides of the first seat outer rotation limiting protrusion and protruding outward; the seat outer clamping block is formed on the outer side of the first seat outer rotation limiting protrusion, and the second seat outer rotation limiting protrusion is formed on the outer surface of the seat surrounding wall and connected with the upper surface of the seat outer clamping part at the lower end; the bottom rotation limiting part comprises a first bottom rotation limiting groove formed on the inner side of the bottom surrounding wall and matched with the first seat outer rotation limiting protrusion, and two second bottom rotation limiting grooves respectively located on the two sides of the first bottom rotation limiting groove; the second bottom rotation limiting groove is a groove formed on the lower surface of the connecting base and matched with the second seat outer rotation limiting protrusion;

[0019] The first bottom clamping part comprises a bottom clamping groove formed in the first bottom rotation limiting groove and corresponding to the seat outer clamping block on the first seat outer rotation limiting protrusion, and the bottom clamping groove has a bottom groove lower wall located below the seat outer clamping block.

[0020] The adapter seat further comprises a second seat rotation limiting part for limiting rotation of the barrel shell relative to the adapter seat about the winding shaft axis;

[0021] The second seat rotation limiting part comprises a seat inner rotation limiting protrusion or a seat inner rotation limiting groove formed on at least one of the inner surface of the seat surrounding wall and the upper surface of the groove bottom wall.

[0022] The adapter seat further comprises a first seat guide portion for guiding the adapter seat to buckle to the connecting base at a correct position, and a second seat guide portion for guiding the cylinder shell to buckle to the adapter seat at a correct position; the connecting base further comprises a bottom guide portion for guiding the adapter seat to buckle to the connecting base at a correct position in cooperation with the first seat guide portion; the first seat guide portion comprises a guide protrusion or a guide groove formed on the outer side of the seat surrounding wall, the second seat guide portion comprises a guide protrusion or a guide groove formed on the inner side of the seat surrounding wall, and the bottom guide portion comprises a guide protrusion or a guide groove formed on the lower surface of the connecting base or in the mounting through hole;

[0023] The first seat guide portion comprises a spacing groove formed between the first seat outer limit protrusion and the second seat outer limit protrusion; the second seat guide portion comprises a seat guide groove formed on the inner side of the inner groove upper wall; the seat guide groove extends along the up-down direction; and the bottom guide portion comprises a spacing protrusion formed between the first bottom limit groove and the second bottom limit groove and corresponding to the spacing groove.

[0024] The adapter seat further comprises a through-rope portion for the rope to pass through; the through-rope portion is provided with a through-rope hole and a slot connected between the through-rope hole and the mounting groove;

[0025] The through-rope portion protrudes outward from the outer ring of the seat surrounding wall, and the through-rope hole gradually extends away from the seat surrounding wall from top to bottom; the slot penetrates through the seat surrounding wall and has an upward opening; the slot has a guide bottom wall for transition guiding of the rope between the upper end of the through-rope hole and the mounting groove; the through-rope portion is below the connecting base, and the lower surface of the connecting base is formed with a through-rope accommodating groove for accommodating the upper part of the through-rope portion;

[0026] The through-rope accommodating groove is formed with a groove protrusion protruding downward and extending into the upper part of the slot and covering the slot opening; the groove protrusion and the guide bottom wall have a through-rope gap for the rope to pass through.

[0027] A rotating buckle comprises a connecting base, an adapter seat buckled to the connecting base, a cylinder shell buckled to the adapter seat, a winding shaft mounted in the cylinder shell, and a knob mounted above the winding shaft and driving the winding shaft; the connecting base, the adapter seat, the cylinder shell, the winding shaft, and the knob are mounted together.

[0028] The cylinder shell has an accommodating cavity for accommodating the winding shaft, and the cylinder shell comprises a cylinder buckle portion buckled to the second seat buckle portion in cooperation;

[0029] The cylinder buckle portion comprises two protrusions or grooves matched with the two second buckle portions;

[0030] The cylinder shell has an extending section extending into the mounting groove to the groove bottom wall; the cylinder buckle portion comprises two cylinder buckle blocks buckled to the two seat inner buckle grooves of the adapter seat in one-to-one correspondence; the two cylinder buckle blocks are located at the two ends of the cylinder shell circumferential surface and protrude in opposite directions;

[0031] The barrel shell comprises a barrel rotation limiting part matched with a second seat rotation limiting part of the adapter seat to limit rotation of the barrel shell relative to the adapter seat around the winding shaft axis;

[0032] The barrel rotation limiting part comprises an edge of a barrel clamping block matched with an edge of a seat inner clamping groove, and a lower end of the barrel shell matched into a barrel shell lower end limiting groove in an upper surface of a groove bottom wall;

[0033] The barrel shell further comprises a barrel guiding part matched with a second seat guiding part of the adapter seat to guide the barrel shell to buckle to an accurate position of the adapter seat;

[0034] The barrel guiding part comprises a barrel guiding protrusion formed on a lateral surface of an outer circle of the barrel clamping block and matched with a guiding groove of the adapter seat;

[0035] The barrel guiding protrusion is arranged below the barrel clamping block and extends in the up-down direction.

[0036] After the above technical scheme is adopted, the spin buckle combined base breaks through the structure form of the traditional spin buckle base, adopts the combined form of the connecting base and the adapter seat, can separately process the connecting base and the adapter seat and flexibly spin the material meeting the corresponding performance, in the actual installation process, the connecting base with simple structure can be connected with the article base body, such as being sewn on the vamp, then the adapter seat with simple structure is buckled and connected with the connecting base, after that, the barrel shell is buckled and connected with the adapter seat, the installation of the whole spin buckle including the winding shaft, the knob and other components and the article base body can be realized. Specifically, the connecting base can be connected with the article base body such as the vamp through sewing, gluing and other modes through the connecting edge, the adapter seat is buckled and connected with the bottom clamping part of the connecting base through the first seat clamping part, and the adapter seat is buckled and connected with the barrel shell through the second seat clamping part. Compared with the prior art, the spin buckle combined base has the advantages of flexible and convenient installation with the article base body, high practicability and the like.

[0037] The utility model discloses a spin buckle, its breakthrough traditional spin buckle's structure form, in actual installation process, its base adopts the combined form of connecting base and adapter seat, can independently process connecting base and adapter seat and nimble knob meets the material of corresponding performance, using the split buckle structure of connecting base and adapter seat, can first connect simple structure such as connecting base with the object base body, such as sewing on the vamp, then the adapter seat with connecting base buckle connection together such as simple structure with certain intensity, after that make the barrel shell and adapter seat buckle connection together, also can assemble the winding shaft, knob and other components with the barrel shell again and then make the barrel shell and adapter seat buckle connection, can realize the installation of the whole spin buckle including winding shaft, knob and other components and object base body. Specifically can be that connecting base is connected together with object base body such as vamp through sewing, cementing and other modes through connecting edge, adapter seat is buckled together through the first seat buckle part and the bottom buckle part of connecting base, adapter seat is buckled together through the second seat buckle part and the barrel shell. Compared with prior art, the utility model discloses a spin buckle, it has the advantages such as flexible and convenient installation with object base body, strong practicality etc. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is the overhead perspective three-dimensional structure schematic diagram of connecting base; Figure 2 It is the bottom perspective three-dimensional structure schematic diagram of connecting base; Figure 3 It is the bottom structure schematic diagram of connecting base; Figure 4 It is the section structure schematic diagram of connecting base; Figure 5 It is the overhead perspective three-dimensional structure schematic diagram of adapter seat; Figure 6 It is the bottom perspective three-dimensional structure schematic diagram of adapter seat; Figure 7 It is the overhead structure schematic diagram of adapter seat; Figure 8 It is the bottom structure schematic diagram of adapter seat; Figure 9 It is the section structure schematic diagram of adapter seat; Figure 10 It is the side structure schematic diagram of adapter seat; Figure 11 It is the side structure schematic diagram of adapter seat another angle; Figure 12 It is the section structure schematic diagram of adapter seat when the first buckle part adopts seat outer clamping block and the second buckle part adopts seat inner clamping groove; Figure 13 It is the section structure schematic diagram of adapter seat when the first buckle part adopts seat outer clamping groove and the second buckle part adopts seat inner clamping block; Figure 14 It is the overhead perspective three-dimensional structure schematic diagram of barrel shell; Figure 15 It is the bottom perspective three-dimensional structure schematic diagram of barrel shell; Figure 16 It is the bottom structure schematic diagram of barrel shell; Figure 17 It is the side structure schematic diagram of barrel shell; Figure 18 It is the three-dimensional structure schematic diagram of connecting base, adapter seat and barrel shell assembly; Figure 19The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled; Figure 20 The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled; Figure 21 The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled; Figure 22 The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled; Figure 23 The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled; Figure 24 The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled; Figures 1-25 The cross-sectional structure schematic diagram of the first bottom buckle part adopting the clamping block, the first buckle part adopting the clamping slot or the clamping hole when the base, the adapter seat and the barrel shell are connected and assembled.

[0039] In the drawing:

[0040] 1-connection base, 11-connection edge, 121-first bottom buckle part, 1211-bottom clamping slot, 12111-bottom slot lower wall, 122-second bottom buckle part, 13-mounting through hole, 14-bottom surrounding wall, 151-first bottom limiting rotation groove, 152-second bottom limiting rotation groove, 16-bottom guide part, 17-through rope accommodating groove, 171-accommodating groove protrusion, 18-through rope gap; 2-adapter seat, 211-first buckle part one, 2111-seat outer clamping block, 2112-seat outer clamping slot, 21121-outer slot upper wall, 212-first buckle part two, 2121-shaped notch, 221-second buckle part one, 2211-seat inner clamping slot, 22111-inner slot upper wall, 2212-seat inner clamping block, 222-second buckle part two, 231-mounting inlet, 232-groove bottom wall, 2321-shaped through hole, 232-groove bottom wall, 24-seat surrounding wall, 251-seat outer smooth inclined surface, 252-seat inner smooth inclined surface, 26-first seat limiting rotation part, 261-first seat outer limiting rotation protrusion, 262-second seat outer limiting rotation protrusion, 27-second seat limiting rotation part, 281-first seat guide part, 282-second seat guide part, 29-through rope part, 291-through rope hole, 292-groove, 2921-guide bottom wall; 3-barrel shell, 31-accommodation cavity, 32-barrel buckle part, 33-barrel limiting rotation part, 34-barrel guide part, 35-roping hole, 36-shell tooth; 4-winding shaft, 41-connection hole; 5-rotary knob; 6-claw, 61-claw arm, 62-claw tooth, 63-column hole; 7-switch column, 71-column head; 8-object base body. DETAILED DESCRIPTION

[0041] In order to further explain the technical scheme of the utility model, the following specific embodiments are described in detail.

[0042] A rotary buckle combined base of the utility model, likeFigures 1-25 As shown, including the connection base 1 connected with the article base 8 and the adapter seat 2 buckled with the barrel shell 3 containing the winding shaft 4; the connection base 1 and the adapter seat 2 are separate structures, and the adapter seat 2 is buckled with the connection base 1; the adapter seat 2 includes the first seat buckle part buckled with the connection base 1, and the second seat buckle part buckled with the barrel shell 3; the connection base 1 includes the connection edge 11 connected with the article base 8, and the bottom buckle part buckled with the first seat buckle part. The utility model adopts the combination form of the connection base 1 and the adapter seat 2, can process the connection base 1 and the adapter seat 2 independently and flexibly rotate the knob 5 to meet the corresponding performance materials, in the actual installation process, can connect the connection base 1 with simple structure and flexible material with the article base 8 first, such as sewing on the vamp, then buckle the adapter seat 2 with certain strength with the connection base 1 together, then buckle the barrel shell 3 with the adapter seat 2 together, that is, the whole spin buckle containing the winding shaft 4, the knob 5 and other components can be installed with the article base 8. Specifically, the connection base 1 can be connected with the article base 8 such as the vamp through sewing, gluing and other ways through the connection edge 11, the adapter seat 2 is buckled with the bottom buckle part of the connection base 1 through the first seat buckle part, and the adapter seat 2 is buckled with the barrel shell 3 through the second seat buckle part. The connection base 1 can adopt resin materials such as nylon and TPU with flexibility, which is convenient for sewing operation with the article base 8 such as the vamp, and is also convenient for adapting to the large curvature of the shoe heel surface layer. The adapter seat 2 can specifically adopt resin materials such as PC and POM with certain strength, to ensure the buckle strength with the barrel shell 3, and not easy to be buckled or damaged due to deformation, tearing and other reasons. The connection edge 11 can be in the form of surrounding the mounting hole 13, each connection edge 11 is independent, and there is a gap between adjacent connection edges 11, so that each connection edge 11 can be independently deformed to adapt to the shape of the article base 8.

[0043] For the convenience of assembling and realizing the buckle, the adapter seat 2 has a mounting groove for mounting the barrel shell 3, the mounting groove has a mounting entrance 231 for the barrel shell 3 to be mounted into, and the barrel shell 3 is put into the mounting groove from the mounting entrance 231; for the convenience of description, the direction of the mounting entrance 231 towards the barrel shell 3 is defined as up, and the opposite direction is defined as down; the first seat buckle part includes a first buckle part one 211 for limiting the downward movement of the adapter seat 2 relative to the connecting base 1, and a first buckle part two 212 for limiting the upward movement of the adapter seat 2 relative to the connecting base 1; the second seat buckle part includes a second buckle part one 221 for limiting the upward movement of the barrel shell 3 relative to the adapter seat 2, and a second buckle part two 222 for limiting the downward movement of the barrel shell 3 relative to the adapter seat 2; the connecting base 1 has a mounting through hole 13 for mounting the adapter seat 2, and the connecting edge 11 is arranged around the mounting through hole 13; the bottom buckle part includes a first bottom buckle part 121 for cooperating with the first buckle part one 211 to buckle and limit the downward movement of the adapter seat 2 relative to the connecting base 1, and a second bottom buckle part 122 for cooperating with the first buckle part two 212 to limit the upward movement of the adapter seat 2 relative to the connecting base 1; when the first buckle part one 211 buckles with the first bottom buckle part 121, the downward movement of the adapter seat 2 relative to the connecting base 1 can be limited, and the first buckle part two 212 cooperates with the second bottom buckle part 122 to limit the upward movement of the adapter seat 2 relative to the connecting base 1, thereby realizing the stable buckling connection of the adapter seat 2 and the connecting base 1; when the second buckle part one 221 buckles with the corresponding barrel buckle part 32 of the barrel shell 3, the upward movement of the barrel shell 3 relative to the adapter seat 2 can be limited, and the second buckle part two 222 can limit the downward movement of the barrel shell 3 relative to the adapter seat 2, thereby realizing the stable buckling connection of the barrel shell 3 and the adapter seat 2. The specific structure can be that the adapter seat 2 includes a seat surrounding wall 24 which protrudes upwards and is arranged around the mounting groove, and the inner circle of the seat surrounding wall 24 forms the mounting groove; the first buckle part one 211 and the first buckle part two 212 are formed at least one of the outer side of the seat surrounding wall 24, the upper part of the seat surrounding wall 24 and the lower part of the seat surrounding wall 24; the second buckle part one 221 is formed at least one of the inner side of the seat surrounding wall 24, the upper part of the seat surrounding wall 24 and the lower part of the seat surrounding wall 24 in the mounting groove; the first bottom buckle part 121 and the second bottom buckle part 122 are formed at least one of the inner side of the hole of the mounting through hole 13, the upper part of the mounting through hole 13 and the lower part of the mounting through hole 13.The first snap part 211 is a first seat wall body end step at the lower end of the seat wall 24 or a first notch formed in the seat wall 24 and opening downward, and has a downward facing snap surface. The first snap part 212 is a second seat outer snap step recessed inward from the outer side of the seat wall 24 or a second seat wall body end step at the upper end of the seat wall 24 or a second notch formed in the seat wall 24 and opening upward, and has an upward facing snap surface. The second snap part 221 includes a third seat wall body end step at the lower end of the seat wall 24 or a third notch formed in the seat wall 24 and opening downward, and has a downward facing snap surface. The second snap part 222 is a second seat inner snap step groove recessed outward from the inner side of the seat wall 24 or a fourth seat wall body end step at the upper end of the seat wall 24 or a fourth notch formed in the seat wall 24 and opening upward, and has an upward facing snap surface.

[0044] Preferably, the first clamping part one 211 comprises a protrusion or a groove formed on the outer side of the seat surrounding wall 24, the first clamping part two 212 comprises a protrusion or a groove formed on the outer side of the seat surrounding wall 24, and the second clamping part one 221 comprises a protrusion or a groove formed on the inner side of the seat surrounding wall 24. The connecting base 1 comprises a bottom surrounding wall 14 protruding upward and arranged around the mounting through hole 13, the bottom surrounding wall 14 is located at the outer ring of the seat surrounding wall 24, and the first bottom clamping part 121 comprises a protrusion or a groove formed on the inner side of the bottom surrounding wall 14. The first clamping part one 211 is formed on the outer side of the seat surrounding wall 24 and is clamped together with the first bottom clamping part 121 in the form of a protrusion or a groove formed on the inner side of the bottom surrounding wall 14, that is, when the first clamping part one 211 is a protrusion, the first bottom clamping part 121 can be a protrusion or a groove matched and clamped to limit the upward and downward movement of the first clamping part one 211; when the first clamping part one 211 is a groove, the first bottom clamping part 121 can be a protrusion or a groove matched and clamped to limit the upward and downward movement of the first clamping part one 211. The specific structure can be that the first clamping part one 211 comprises a seat outer clamping block 2111 protruding outward from the outer side of the seat surrounding wall 24 or a seat outer clamping groove 2112 recessed inward. The first clamping part two 212 is formed on the outer side of the seat surrounding wall 24 and is clamped together with the lower surface of the connecting base 1 or a protrusion or a groove formed on the inner side of the bottom surrounding wall 14, that is, when the first clamping part two 212 is a protrusion, the second bottom clamping part 122 can be a protrusion or a groove matched and clamped to limit the upward and downward movement of the first clamping part two 212, and the second bottom clamping part 122 can also be the lower surface of the connecting base 1 directly limiting above the first clamping part two 212 in the form of a protrusion. The specific structure can be that the first clamping part two 212 comprises a seat outer clamping part protruding outward from the outer side of the seat surrounding wall 24 for limiting below the bottom surrounding wall 14, and the seat outer clamping part can be specifically one extending edge or more than two extending edges surrounding the seat surrounding wall 24 formed on the lower part of the outer side of the seat surrounding wall 24 and extending outward, and the extending edge can be gradually inclined downward from the root to the edge. When the first clamping part one 211 is the seat outer clamping block 2111, the extending edge is formed with a corresponding formed gap 2121 directly below the seat outer clamping block 2111, facilitating the demolding of the seat outer clamping block 2111. The second clamping part one 221 is formed on the inner side of the seat surrounding wall 24 and is clamped together with the cylinder clamping part 32 in the form of a protrusion or a groove formed on the outer side of the cylinder shell 3, that is, when the cylinder clamping part 32 is a protrusion, the second clamping part one 221 can be a protrusion or a groove matched and clamped to limit the upward and downward movement of the cylinder clamping part 32; when the cylinder clamping part 32 is a groove, the second clamping part one 221 can be a protrusion or a groove matched and clamped to limit the upward and downward movement of the cylinder clamping part 32.Specifically, the second connecting buckle part is arranged inside the mounting groove; the second buckle part one 221 includes a seat inner clamping block 2212 formed on the inner side of the seat surrounding wall 24 and protruding towards the inner ring or a seat inner clamping groove 2211 recessed towards the outer ring, and the second buckle part two 222 includes a groove bottom wall 232 formed in the mounting groove for limiting below the barrel shell 3. Specifically, the first bottom buckle part 121 includes a bottom clamping block 1212 formed on the inner side of the bottom surrounding wall 14 and matched with the first buckle part one 211 or a bottom clamping groove 1211.

[0045] Preferably, the first buckle part 211 includes two seat outer clamping blocks 2111 formed on the upper part of the outer side of the seat surrounding wall 24, and the two seat outer clamping blocks 2111 are located at the two ends of the seat surrounding wall 24 and protrude in opposite directions; the second buckle part 221 includes two seat inner clamping grooves 2211 formed on the upper part of the inner side of the seat surrounding wall 24, and the two seat inner clamping grooves 2211 are located at the two ends of the inner side of the seat surrounding wall 24, and the two seat inner clamping grooves 2211 each have an inner groove upper wall 22111 at the upper part, and the two seat inner clamping grooves 2211 are oppositely arranged; the two seat outer clamping blocks 2111 located at the two ends correspond to the two first bottom buckle parts 121 of the connecting base 1 one by one to form two outer clamping points; the two seat inner clamping grooves 2211 located at the two ends correspond to the two protruding form cartridge buckle parts 32 of the cartridge shell 3 one by one to form two inner clamping points, the two outer clamping points form a tightening force towards the inner ring, the two inner clamping points form a supporting force towards the outer ring, and the two outer clamping points and the two inner clamping points correspond one by one, and support each other, so that the two outer clamping points and the two inner clamping points are not easy to be unbuckled, and the stability of the buckle connection is ensured. Specifically, the two seat outer clamping blocks 2111 can hook the first bottom buckle part 121 in the form of protrusion or recess, and the two inner groove upper walls 22111 can hook the cartridge buckle part 32 in the form of protrusion. The upper part of the seat outer clamping block 2111 has a seat outer natural slope 251 for the seat outer clamping block 2111 to be naturally clamped into the mounting hole 13 from below; the upper part of the inner groove upper wall 22111 has a seat inner natural slope 252 for the cartridge shell 3 to be naturally clamped into the mounting slot 231; the two seat inner clamping grooves 2211 are a first seat inner clamping groove body and a second seat inner clamping groove body, and the two seat outer clamping blocks 2111 are a first seat outer clamping block body and a second seat outer clamping block body; the first seat inner clamping groove body corresponds to the first seat outer clamping block body, and the second seat inner clamping groove body corresponds to the second seat outer clamping block body; the groove bottom wall 232 is formed with a formed through hole 2321 corresponding to the inner groove upper wall 22111, and the second buckle part 212 is formed with a formed notch 2121 corresponding to the seat outer clamping block 2111. The specific structure can be that when the adapter seat 2 is mounted into the connecting base 1 from below the mounting hole 13 of the connecting base 1, the seat outer natural slope 251 of the seat outer clamping block 2111 can guide the seat outer clamping block 2111 naturally, so that the seat outer clamping block 2111 is naturally clamped into the mounting hole 13 and buckled with the first bottom buckle part 121 together, and the operation is smooth and labor-saving; when the cartridge shell 3 is mounted into the adapter seat 2 from above the mounting slot 231 of the mounting slot, the seat inner natural slope 252 of the inner groove upper wall 22111 can guide the cartridge buckle part 32 naturally, so that the cartridge buckle part 32 is naturally clamped into the mounting slot and buckled with the seat inner clamping groove 2211 together, and the operation is smooth and labor-saving. The formed through hole 2321 can correspond to the position directly below the inner groove upper wall 22111, so as to facilitate the demolding of the inner groove upper wall 22111 and the recessed part of the seat inner clamping groove 2211 from below; the formed notch 2121 can correspond to the position directly below the seat outer clamping block 2111, so as to facilitate the demolding of the seat outer clamping block 2111 from below.

[0046] In another preferred embodiment, the first buckle part 211 includes two seat outer clamping grooves 2112 formed on the upper part of the seat surrounding wall 24, and the two seat outer clamping grooves 2112 are located at the two ends of the seat surrounding wall 24 and are oppositely directed; the second buckle part 221 includes two seat inner clamping blocks 2212 formed on the upper part of the inner side of the seat surrounding wall 24, and the two seat inner clamping blocks 2212 are oppositely protruded at the two ends of the inner side of the seat surrounding wall 24; the two seat outer clamping grooves 2112 located at the two ends correspond to the two first bottom buckle parts 121 of the connecting base 1 and are buckled together to form two outer clamping points; the two seat inner clamping blocks 2212 located at the two ends correspond to the two barrel buckle parts 32 in the form of grooves or through holes of the barrel shell 3 and are buckled together to form two inner clamping points, the two outer clamping points form a tightening force towards the inner ring, the two inner clamping points form a supporting force towards the outer ring, and the two outer clamping points and the two inner clamping points correspond to each other and support each other, so that the two outer clamping points and the two inner clamping points are not easy to be buckled off, and the stability of the buckling connection is ensured. Specifically, the outer groove upper wall 21121 of the two seat outer clamping grooves 2112 can hook the first bottom buckle part 121 in the form of a protrusion, and the two seat inner clamping blocks 2212 can hook the barrel buckle part 32 in the form of a groove or a through hole. The outer groove upper wall 21121 has a seat outer natural slope 251 for the outer groove upper wall 21121 to be buckled from below the mounting through hole 13; the upper part of the seat inner clamping block 2212 has a seat inner natural slope 252 for the barrel shell 3 to be buckled from the installation inlet 231; the two seat inner clamping blocks 2212 are a first seat inner clamping block and a second seat inner clamping block, and the two seat outer clamping blocks 2111 are a first seat outer clamping block and a second seat outer clamping block; the first seat inner clamping block corresponds to the first seat outer clamping block, and the second seat inner clamping block corresponds to the second seat outer clamping block. Specifically, when the adapter seat 2 is installed into the connecting base 1 from below the mounting through hole 13 of the connecting base 1, the seat outer natural slope 251 of the outer groove upper wall 21121 can guide the first bottom buckle part 121 naturally, so that the adapter seat 2 is buckled into the mounting through hole 13 and the seat outer clamping groove 2112 and the first bottom buckle part 121 are buckled together, and the operation is smooth and labor-saving; when the barrel shell 3 is installed into the adapter seat 2 from above the installation inlet 231 of the installation groove, the seat inner natural slope 252 of the seat inner clamping block 2212 can guide the barrel buckle part 32 naturally, so that the barrel buckle part 32 is buckled into the installation groove and buckled together with the seat inner clamping block 2212, and the operation is smooth and labor-saving. The groove bottom wall 232 is formed with a shaped through hole 2321 corresponding to the seat inner clamping block 2212, and the first buckle part 212 is formed with a shaped notch 2121 corresponding to the outer groove upper wall 21121. The shaped through hole 2321 can correspond to the position directly below the seat inner clamping block 2212, facilitating the demolding of the seat inner clamping block 2212 and the lower part of the seat inner clamping block 2212 from below; the shaped notch 2121 can correspond to the position directly below the outer groove upper wall 21121, facilitating the demolding of the seat outer clamping groove 2112 from below.

[0047] Preferably, the adapter 2 further comprises a first seat rotation-limiting portion 26 for limiting rotation of the adapter 2 relative to the connection base 1 about the winding axis 4; the connection base 1 comprises a bottom rotation-limiting portion 15 for cooperating with the first seat rotation-limiting portion 26; when the first clamping portion 211 of the adapter 2 is clamped with the first bottom clamping portion 121 of the connection base 1, the first seat rotation-limiting portion 26 of the adapter 2 is also clamped with the bottom rotation-limiting portion 15 of the connection base 1, the first seat rotation-limiting portion 26 and the bottom rotation-limiting portion 15 interfere with each other in the rotation direction about the winding axis 4, avoiding the adapter 2 from rotating relative to the connection base 1 about the winding axis 4, ensuring the stability of the working position of the two, and also avoiding the first clamping portion 211 and the first bottom clamping portion 121 from being unclamped in the rotation direction about the winding axis 4, further ensuring the clamping strength of the adapter 2 and the connection base 1. Further, the first seat rotation-limiting portion 26 comprises a seat outer rotation-limiting protrusion or a seat outer rotation-limiting groove formed on at least one of the outer surface of the seat surrounding wall 24 and the upper surface of the seat outer clamping portion; the bottom rotation-limiting portion 15 comprises a bottom rotation-limiting groove or a bottom rotation-limiting protrusion formed on at least one of the lower surface of the connection base 1 and the inner side of the mounting through hole 13; the first seat rotation-limiting portion 26 is preferably formed on at least one of the outer surface of the seat surrounding wall 24 and the upper surface of the seat outer clamping portion, the bottom rotation-limiting portion 15 is preferably formed on at least one of the lower surface of the connection base 1 and the inner side of the mounting through hole 13, and the first seat rotation-limiting portion 26 in the form of a seat outer rotation-limiting protrusion or a seat outer rotation-limiting groove cooperates with the bottom rotation-limiting portion 15 in the form of a bottom rotation-limiting groove or a bottom rotation-limiting protrusion to be clamped, and interfere with each other in the rotation direction about the winding axis 4. Specifically, the first seat rotation-limiting portion 26 comprises a first seat outer rotation-limiting protrusion 261 formed on the outer side of the seat surrounding wall 24 and protruding outward, and two second seat outer rotation-limiting protrusions 262 respectively formed on the two sides of the first seat outer rotation-limiting protrusion 261 and protruding outward; the seat outer clamping block 2111 is formed on the outer side of the first seat outer rotation-limiting protrusion 261, and the second seat outer rotation-limiting protrusion 262 is formed on the outer surface of the seat surrounding wall 24 and connected with the upper surface of the seat outer clamping portion at the lower end; the bottom rotation-limiting portion 15 comprises a first bottom rotation-limiting groove 151 formed on the inner side of the bottom surrounding wall 14 and matched with the first seat outer rotation-limiting protrusion 261, and two second bottom rotation-limiting grooves 152 respectively formed on the two sides of the first bottom rotation-limiting groove 151; the second bottom rotation-limiting groove 152 is a groove formed on the lower surface of the connection base 1 and matched with the second seat outer rotation-limiting protrusion 262; when the adapter 2 and the connection base 1 are clamped together, the first seat outer rotation-limiting protrusion 261 is limited in the first bottom rotation-limiting groove 151, and the two second seat outer rotation-limiting protrusions 262 are limited in the corresponding two second bottom rotation-limiting grooves 152, so that the adapter 2 and the connection base 1 interfere with each other in the rotation direction about the winding axis 4.Specifically, the first bottom buckle part 121 includes a bottom buckle slot 1211 formed in the first bottom limiting rotation groove 151 and corresponding to the seat outer clamping block 2111 on the first seat outer limiting rotation protrusion 261. The bottom buckle slot 1211 has a bottom slot lower wall 12111 limiting below the seat outer clamping block 2111. When the first seat outer limiting rotation protrusion 261 is buckled into the first bottom limiting rotation groove 151, the seat outer clamping block 2111 is buckled into the bottom buckle slot 1211, and the bottom slot lower wall 12111 limits below the seat outer clamping block 2111, and the second bottom buckle part 122 limits above the first buckle part two 212, thereby achieving the overall buckling and limiting of the adapter seat 2 in the up-down and left-right directions by the connecting base 1, and ensuring the stable buckling strength of the connecting base 1 and the adapter seat 2.

[0048] Preferably, the adapter seat 2 further includes a second seat limiting rotation part 27 limiting the rotation of the cylinder shell 3 around the winding shaft 4 axis relative to the adapter seat 2; the cylinder shell 3 includes a cylinder limiting rotation part 33 cooperating with the second seat limiting rotation part 27 of the adapter seat 2 to limit the rotation of the cylinder shell 3 around the winding shaft 4 axis relative to the adapter seat 2; when the cylinder buckle part 32 of the cylinder shell 3 is buckled together with the second seat buckle part of the adapter seat 2, the second seat limiting rotation part 27 of the adapter seat 2 cooperates with the cylinder limiting rotation part 33 of the cylinder shell 3, and the second seat limiting rotation part 27 and the cylinder limiting rotation part 33 interfere with each other in the rotation direction around the winding shaft 4 axis, thereby avoiding the rotation of the cylinder shell 3 around the winding shaft 4 axis relative to the adapter seat 2, ensuring the stability of the working position of the two, and also avoiding the second seat buckle part and the cylinder buckle part 32 from being buckled in the rotation direction around the winding shaft 4 axis, thereby further ensuring the buckling strength of the cylinder shell 3 and the adapter seat 2. Specifically, the second seat limiting rotation part 27 includes a seat inner limiting rotation protrusion or a seat inner limiting rotation groove formed at least one of the inner surface of the seat surrounding wall 24 and the upper surface of the groove bottom wall 232; the second seat limiting rotation part 27 is preferably formed at least one of the inner surface of the seat surrounding wall 24 and the upper surface of the groove bottom wall 232, and the second seat limiting rotation part 27 in the form of a seat inner limiting rotation protrusion or a seat inner limiting rotation groove cooperates with the cylinder limiting rotation part 33 of the corresponding structure. Specifically, the seat inner clamping slot 2211 can also serve as a seat inner limiting rotation groove, the cylinder limiting rotation part 33 includes the edge of the cylinder clamping block cooperating with the edge of the seat inner clamping slot 2211, and the lower end of the cylinder shell 3 extending into the seat inner limiting rotation groove on the upper surface of the groove bottom wall 232, thereby achieving the interference of the cylinder shell 3 and the adapter seat 2 in the rotation direction around the winding shaft 4 axis.

[0049] Preferably, the adapter 2 further comprises a first seat guide 281 guiding the adapter 2 to snap into the correct position of the connecting base 1, and a second seat guide 282 guiding the cartridge 3 to snap into the correct position of the adapter 2; the connecting base 1 further comprises a bottom guide 16 cooperating with the first seat guide 281 to guide the adapter 2 to snap into the correct position of the connecting base 1; the cartridge 3 further comprises a cartridge guide 34 cooperating with the second seat guide 282 to guide the cartridge 3 to snap into the correct position of the adapter 2; when the first snap part 211 of the adapter 2 is about to snap with the first bottom snap part 121 of the connecting base 1, the first seat guide 281 and the bottom guide 16 cooperate to guide the snapping process of the first snap part 211 and the first bottom snap part 121, so that the adapter 2 snaps into the correct position of the connecting base 1; when the cartridge snap part 32 of the cartridge 3 is about to snap with the second bottom snap part 122 of the adapter 2, the second seat guide 282 and the cartridge guide 34 of the cartridge 3 cooperate to guide the snapping process of the second bottom snap part 122 and the cartridge snap part 32, so that the cartridge 3 snaps into the correct position of the adapter 2. In order to facilitate the direct and efficient cooperation between the first seat guide 281 and the bottom guide 16, and the direct and efficient cooperation between the second seat guide 282 and the corresponding cartridge guide 34 of the cartridge 3, the specific structure can be that the first seat guide 281 comprises a guide protrusion or a guide groove formed on the outer side of the seat surrounding wall 24, the second seat guide 282 comprises a guide protrusion or a guide groove formed on the inner side of the seat surrounding wall 24, and the bottom guide 16 comprises a guide protrusion or a guide groove formed on the lower surface of the connecting base 1 or in the mounting through hole 13; the cartridge guide 34 comprises a cartridge guide protrusion formed on the outer side of the cartridge snap block and cooperating with the guide groove of the adapter 2; the further specific structure can be that the first seat guide 281 comprises a spacing groove formed between the first seat outer limiting protrusion 261 and the second seat outer limiting protrusion 262; the second seat guide 282 comprises a seat guide groove formed on the inner side of the inner groove upper wall 22111 and extending in the up-down direction; the bottom guide 16 comprises a spacing protrusion formed between the first bottom limiting groove 151 and the second bottom limiting groove 152 and cooperating with the spacing groove; and the cartridge guide protrusion is located below the cartridge snap block and extends in the up-down direction.

[0050] In order to facilitate the rope to enter the barrel 3 and the winding shaft 4 through the adapter 2, preferably, the adapter 2 further comprises a through-rope part 29 for the rope to pass through; the through-rope part 29 is provided with a through-rope hole 291 and a slot 292 connected between the through-rope hole 291 and the mounting groove; the rope passes through the through-rope hole 291 and the slot 292 to pass through the rope passing hole 35 of the barrel 3, so as to realize the connection of the rope and the winding shaft 4 in the barrel 3 and the winding of the rope on the winding shaft 4. In order to specifically realize the smooth guidance of the through-rope hole 291 and the slot 292 to the rope, the specific structure can be that the through-rope part 29 protrudes outward from the outer ring of the surrounding wall 24, and the through-rope hole 291 gradually extends away from the surrounding wall 24 from top to bottom; the slot 292 penetrates through the surrounding wall 24 and has an upward opening, and the slot 292 has a guiding bottom wall 2921 between the upper end of the through-rope hole 291 and the mounting groove for the transition guidance of the rope; the through-rope part 29 is below the connecting base 1, and the lower surface of the connecting base 1 is formed with a through-rope accommodating groove 17 accommodating the upper part of the through-rope part 29; this structure can guide the rope below the connecting base 1. Further, the specific structure can be that the through-rope accommodating groove 17 is formed with a groove protrusion 171 protruding downward and extending into the upper part of the slot 292 and covering the opening of the slot 292, and the groove protrusion 171 and the guiding bottom wall 2921 have a through-rope gap 18 for the rope to pass through. This structure can form a complete through-rope gap 18 between the slot 292 and the groove protrusion 171 after the adapter 2 is buckled and installed with the connecting base 1, so as to effectively guide the rope.

[0051] A turnbuckle, such as ​As shown, including the connection base 1, with the adapter seat 2 buckle connection with the adapter seat 2 buckle connection with the barrel shell 3, installed in the winding shaft 4, and installed above the winding shaft 4 and drive the knob 5; connection base 1, adapter seat 2, barrel shell 3, winding shaft 4, and knob 5 are installed together. The utility model in the actual installation process, its base adopts the combination form of connection base 1 and adapter seat 2, can separately process connection base 1 and adapter seat 2 and flexible knob 5 meet the material of corresponding performance, utilize the split buckle structure of connection base 1 and adapter seat 2, can first connect the simple structure such as the connection base 1 with the object base 8, such as sewing on the vamp, then the simple structure such as the adapter seat 2 with a certain strength is buckled together with connection base 1, then make the barrel shell 3 and adapter seat 2 buckle connection together, also can assemble winding shaft 4, knob 5 etc. With barrel shell 3 again barrel shell 3 and adapter seat 2 buckle connection, can realize the installation of the whole spin buckle including winding shaft 4, knob 5 etc. And object base 8. Specifically can be connection base 1 through the connection edge 11 and the object base 8 such as vamp is connected together through sewing, cementing etc. Mode, adapter seat 2 is buckled together with the bottom buckle part of connection base 1 through the first seat buckle part, adapter seat 2 is buckled together with barrel shell 3 through the second seat buckle part. The specific structure can be, knob 5 covers above barrel shell 3, knob 5 and barrel shell 3 are buckled together through the hook, barrel shell 3 has the through rope hole 35 for the rope to pass through and is connected with winding shaft 4. Winding shaft 4 has winding groove for winding rope and connecting hole 41 connected with rope. Knob 5 and barrel shell 3 are matched through the pawl 6, and the specific structure can be, define the direction of knob 5 driving winding shaft 4 rotates towards tightening rope as tightening rope direction, and the opposite direction is loosening rope direction. Pawl 6 includes claw body and multiple claw arms 61 formed on claw body, claw arm 61 has connecting end connected with claw body and free end swinging towards or away from winding shaft 4 axis. When pawl 6 is arranged on knob 5, claw arm 61 gradually extends from connecting end to fixed end towards loosening rope direction, and the outer side of free end forms claw tooth 62, and the inner side wall of barrel shell 3 forms shell tooth 36 matched with claw tooth 62, claw tooth 62 and shell tooth 36 are matched inclined teeth, shell tooth 36 gradually inclines from root to tip towards tightening rope direction, and claw tooth 62 gradually inclines from root to tip towards loosening rope direction. Pawl 6 is buckled and connected on the lower surface of knob 5, and the lower surface of claw body forms driving tooth matched with driven tooth on the upper end of winding shaft 4. The spin buckle further includes switch column 7 penetrating winding shaft 4 upwards, and the switch column 7 is buckled and installed on the lower end of barrel shell 3 through column bottom wall. The switch column 7 includes column head 71 with upper end opening, and the middle part of claw body forms column hole 63 matched with column head 71. When knob 5 is pressed downwards or pulled upwards, column hole 63 catches or spits out column head 71 by utilizing the elasticity of column head 71.When the knob 5 is pressed downward, the column hole 63 swallows the column head 71 and is positioned below the column head 71, so that the pawl 6 keeps the contact with the shell teeth 36, the driving teeth and the driven teeth are in contact, and the rotation of the knob 5 can drive the winding shaft 4 to tighten the rope, and the cooperation of the shell teeth 36 and the pawl teeth 62 can position the rotation position of the knob 5 and the winding shaft 4, and keep the tightening state; when the knob 5 is pulled upward, the column hole 63 protrudes above the column head 71, so that the pawl 6 is separated from the shell teeth 36, the driving teeth and the driven teeth are separated, and the winding shaft 4 can rotate in the direction of loosening the rope to prevent the rope from loosening. When the pawl 6 is arranged on the barrel shell 3, the claw arm 61 gradually extends toward the tightening direction of the rope from the connecting end to the fixed end, the outer side surface of the free end is formed with the pawl teeth 62, the inner side wall of the knob 5 is formed with the knob teeth matched with the pawl teeth 62, the pawl teeth 62 and the knob teeth are matched with inclined teeth, the knob teeth gradually incline toward the loosening direction of the rope from the root to the tip, and the pawl teeth 62 gradually incline toward the tightening direction of the rope from the root to the tip. The connecting base 1 can be made of resin materials such as nylon and TPU, which are flexible, so as to facilitate the sewing operation with the upper body 8 and the shoe heel surface layer with large curvature. The adapter seat 2 can be made of resin materials such as PC and POM, which have certain strength, so as to ensure the buckle strength with the barrel shell 3, and prevent the buckle from being separated or damaged due to deformation and tearing.

[0052] The preferred specific structure can be that the barrel shell 3 has a containing cavity 31 containing the winding shaft 4, and the winding shaft 4 can wind the rope in the containing cavity 31; the barrel shell 3 includes a barrel buckle part 32 buckled with the second seat buckle part; the barrel buckle part 32 includes two protrusions or grooves matched with two second buckle parts 221; two seat outer clamping blocks 2111 at both ends are matched with two first bottom buckle parts 121 of the connecting base 1 one by one to form two outer clamping points, and two second buckle parts 221 at both ends are matched with two barrel buckle parts 32 of the barrel shell 3 one by one to form two inner clamping points, the two outer clamping points form a tightening force towards the inner ring, the two inner clamping points form a supporting force towards the outer ring, and the two outer clamping points and the two inner clamping points are matched one by one, and the inner and outer directions support each other, so that the two outer clamping points and the two inner clamping points are not easy to be unbuckled, and the buckling connection stability is ensured. In order to further realize the buckling connection structure of the barrel shell 3 and the adapter seat 2, the barrel shell 3 has a protruding section extending into the installation groove to the groove bottom wall 232; the barrel buckle part 32 includes two barrel clamping blocks matched with two seat inner clamping grooves 2211 of the adapter seat 2 one by one, and the two barrel clamping blocks are at both ends of the barrel shell 3 and protrude in opposite directions; the end surface of the barrel clamping block forms a barrel inner inclined surface for the barrel shell 3 to be buckled into the groove upper wall 22111 of the adapter seat 2 from the installation opening 231. The barrel shell 3 includes a barrel rotation limiting part 33 matched with a second seat rotation limiting part 27 of the adapter seat 2 to limit the rotation of the barrel shell 3 relative to the adapter seat 2 around the winding shaft 4 axis; after the barrel buckle part 32 of the barrel shell 3 is buckled with the second seat buckle part of the adapter seat 2, the second seat rotation limiting part 27 of the adapter seat 2 and the barrel rotation limiting part 33 of the barrel shell 3 are also matched and positioned together, the second seat rotation limiting part 27 and the barrel rotation limiting part 33 interfere with each other in the rotation direction around the winding shaft 4 axis, avoiding the barrel shell 3 from rotating around the winding shaft 4 axis relative to the adapter seat 2, ensuring the stability of the working position of the two, and also avoiding the second seat buckle part and the barrel buckle part 32 from being unbuckled from the rotation direction around the winding shaft 4 axis, further ensuring the buckling strength of the barrel shell 3 and the adapter seat 2. The specific structure can be that the seat inner clamping groove 2211 can also serve as a seat inner rotation limiting groove, the barrel rotation limiting part 33 includes the edge of the barrel clamping block matched with the edge of the seat inner clamping groove 2211, and the lower end of the barrel shell 3 matched with the seat inner rotation limiting groove on the upper surface of the groove bottom wall 232, realizing the mutual interference of the barrel shell 3 and the adapter seat 2 in the rotation direction around the winding shaft 4 axis. The barrel shell 3 further includes a barrel guiding part 34 matched with a second seat guiding part 282 of the adapter seat 2 to guide the barrel shell 3 to buckle to the accurate position of the adapter seat 2; when the barrel buckle part 32 of the barrel shell 3 is about to be buckled with the second bottom buckle part 122 of the adapter seat 2, the second seat guiding part 282 and the barrel guiding part 34 of the barrel shell 3 are matched to guide the buckling process of the second bottom buckle part 122 and the barrel buckle part 32, so that the barrel shell 3 is buckled to the accurate position of the adapter seat 2.In order to facilitate the direct and efficient cooperation between the first seat guide part 281 and the bottom guide part 16, and the direct and efficient cooperation between the second seat guide part 282 and the corresponding barrel guide part 34 of the barrel shell 3, the specific structure can be that the first seat guide part 281 comprises a guide protrusion or a guide groove formed on the outer side of the seat surrounding wall 24, the second seat guide part 282 comprises a guide protrusion or a guide groove formed on the inner side of the seat surrounding wall 24, and the bottom guide part 16 comprises a guide protrusion or a guide groove formed in the connecting bottom seat 1 lower surface or the mounting through hole 13; the barrel guide part 34 comprises a barrel guide protrusion formed on the outer side of the barrel clamping block and matched with the guide groove of the adapter seat 2; further, the specific structure can be that the barrel guide protrusion is arranged below the barrel clamping block and extends in the up-down direction; the second seat guide part 282 comprises a seat guide groove formed on the inner side of the inner groove upper wall 22111, and the seat guide groove is arranged in the up-down direction, and in the process of clamping the barrel guide protrusion below the inner groove upper wall 22111, the barrel guide protrusion and the seat guide groove are matched to guide the clamping position of the barrel guide protrusion.

[0053] The product form of the utility model is not limited to the drawings and embodiments of the case, and any appropriate changes or modifications of similar ideas should be considered as not deviating from the patent category of the utility model.

Claims

1. A screw-lock combination base, characterized in that: Includes a connecting base that connects to the substrate of the article and an adapter that snaps into the cylindrical shell that houses the winding shaft; The connecting base and the adapter are separate structures, and the adapter and the connecting base are snapped together; the adapter includes a first snap-fit ​​part that snaps together with the connecting base, and a second snap-fit ​​part that snaps together with the cylindrical shell; the connecting base includes a connecting edge that snaps together with the base of the item, and a bottom snap-fit ​​part that snaps together with the first snap-fit ​​part.

2. The snap-lock combination base according to claim 1, characterized in that: The adapter has a mounting groove for mounting a cylindrical shell, and the mounting groove has an inlet for inserting the cylindrical shell; the direction of the inlet towards the cylindrical shell is defined as upward, and the opposite direction is defined as downward; the first locking part includes a first locking part one that restricts the adapter from moving downward relative to the connecting base, and a first locking part two that restricts the adapter from moving upward relative to the connecting base; the second locking part includes a second locking part one that restricts the cylindrical shell from moving upward relative to the adapter, and a second locking part two that restricts the cylindrical shell from moving downward relative to the adapter; the connecting base has a mounting through hole for mounting the adapter, and the connecting edge is arranged around the mounting through hole; the bottom locking part includes a first bottom locking part that cooperates with the first locking part one to lock and restrict the adapter from moving downward relative to the connecting base, and a second bottom locking part that cooperates with the first locking part two to restrict the adapter from moving upward relative to the connecting base; The adapter includes an upwardly protruding seat wall surrounding a mounting groove, with the mounting groove formed on the inner ring of the seat wall; a first latching part one and a second latching part two are formed at least one of the outer side surface, the upper part, and the lower part of the seat wall; a second latching part one is formed inside the mounting groove, at least one of the inner side surface, the upper part, and the lower part of the seat wall; a first bottom latching part and a second bottom latching part are formed inside the mounting through hole, at least one of the upper part and the lower part of the mounting through hole.

3. The snap-lock combination base according to claim 2, characterized in that: The first latching part includes a protrusion or groove formed on the outer side of the seat wall; the second latching part includes a protrusion or groove formed on the outer side of the seat wall; the third latching part includes a protrusion or groove formed on the inner side of the seat wall; the connecting base includes a bottom wall that protrudes upward and surrounds the mounting through hole, the bottom wall being located on the outer ring of the seat wall, and the first bottom latching part includes a protrusion or groove formed on the inner side of the bottom wall.

4. The snap-lock combination base according to claim 3, characterized in that: The first latching part includes an outer latching block formed on the outer side of the seat wall and protruding outward or an outer latching groove recessed inward; the second latching part includes an outer latching part formed on the outer side of the seat wall and protruding outward for limiting its position below the bottom wall; the second connecting latching part is disposed inside the mounting groove; the second latching part includes an inner latching block formed on the inner side of the seat wall and protruding inward or an inner latching groove recessed outward; the second latching part includes a groove bottom wall formed in the mounting groove for limiting its position below the cylinder shell; the first bottom latching part includes a bottom latching block or bottom latching groove formed on the inner side of the bottom wall and engaging with the first latching part.

5. The snap-lock combination base according to claim 4, characterized in that: The first latching part includes two external latching blocks formed on the upper part of the outer side of the seat wall, which are located at opposite ends of the seat wall and protrude in opposite directions. The second latching part includes two internal latching grooves formed on the upper part of the inner side of the seat wall, which are located at opposite ends of the inner side of the seat wall. Each internal latching groove has an upper inner groove wall at the top and the two internal latching grooves face each other. The upper part of the external latching blocks has an external latching groove for the external latching blocks to smoothly engage with the mounting through hole from below. The inner groove has an inclined surface at the top, which allows the cylinder shell to be smoothly inserted into the inlet; the two inner slots are the first inner slot body and the second inner slot body, and the two outer blocks are the first outer block body and the second outer block body; the first inner slot body corresponds to the first outer block body, and the second inner slot body corresponds to the second outer block body; the bottom wall of the groove has a shaped through hole corresponding to the upper wall of the inner groove, and the first latching part has a shaped notch corresponding to the outer block body; Alternatively, the first latching part includes two external latching slots formed on the upper part of the seat enclosure wall, the two external latching slots being located at both ends of the seat enclosure wall, each external latching slot having an upper outer groove wall at the top, and the two external latching slots facing opposite directions; the second latching part includes two internal latching blocks formed on the upper inner side of the seat enclosure wall, the two internal latching blocks being located at both ends of the inner side of the seat enclosure wall and protruding towards each other; the upper outer groove wall has an external inclined surface for the upper outer groove wall to smoothly engage from below the mounting through hole; the internal seat... The upper part of the locking block has an inclined surface inside the seat into which the cylinder shell is inserted smoothly from the loading inlet; the two inner locking blocks are the first inner locking block body and the second inner locking block body, and the two outer locking blocks are the first outer locking block body and the second outer locking block body; the first inner locking block body corresponds to the first outer locking block body, and the second inner locking block body corresponds to the second outer locking block body; the bottom wall of the groove is formed with a shaped through hole corresponding to the inner locking block, and the first latching part is formed with a shaped notch corresponding to the upper wall of the outer groove.

6. The snap-lock combination base according to claim 3, characterized in that: The adapter also includes a first rotation limiting part that restricts the adapter from rotating about the winding shaft axis relative to the connecting base; the connecting base includes a bottom rotation limiting part that engages with the first rotation limiting part. The first seat limiting part includes a seat external limiting protrusion or seat external limiting groove formed at least at one position on the outer surface of the seat enclosure and the upper surface of the seat external locking part; the bottom limiting part includes a bottom limiting groove or bottom limiting protrusion formed at least at one position on the lower surface of the connecting base and the inner side of the mounting through hole. The first limiting rotation portion includes a first outer limiting rotation protrusion formed on the outer side of the seat enclosure wall and protruding outward, and two second outer limiting rotation protrusions located on both sides of the first outer limiting rotation protrusion and protruding outward; an outer locking block is formed on the outer side of the first outer limiting rotation protrusion, and the second outer limiting rotation protrusion is formed on the outer surface of the seat enclosure wall with its lower end connected to the upper surface of the outer locking portion; the bottom limiting rotation portion includes a first bottom limiting rotation groove formed on the inner side of the bottom enclosure wall and matching and accommodating the first outer limiting rotation protrusion, and two second bottom limiting rotation grooves located on both sides of the first bottom limiting rotation groove; the second bottom limiting rotation groove is a groove formed on the lower surface of the connecting base and for the second outer limiting rotation protrusion to be matched and locked in. The first bottom latching part includes a bottom latching groove formed in the first bottom limiting rotating groove and corresponding to the outer latching block on the first outer limiting rotating protrusion of the seat. The bottom latching groove has a bottom groove lower wall that is limited below the outer latching block.

7. The snap-lock combination base according to claim 3, characterized in that: The adapter also includes a second rotation limiting part that restricts the rotation of the shell relative to the adapter about the winding shaft axis; The second seat rotation limiting part includes a seat rotation limiting protrusion or seat rotation limiting groove formed at least at one of the inner surface of the seat enclosure wall and the upper surface of the groove bottom wall.

8. The snap-lock combination base according to claim 3, characterized in that: The adapter also includes a first guide portion that guides the adapter to snap into the accurate position of the connecting base, and a second guide portion that guides the cylindrical shell to snap into the accurate position of the adapter; the connecting base also includes a bottom guide portion that cooperates with the first guide portion to guide the adapter to snap into the accurate position of the connecting base; the first guide portion includes a guide protrusion or guide groove formed on the outer side of the base wall, the second guide portion includes a guide protrusion or guide groove formed on the inner side of the base wall, and the bottom guide portion includes a guide protrusion or guide groove formed on the lower surface of the connecting base or in the mounting through hole; The first guide portion includes a spacer groove formed between the first outer limiting rotating protrusion and the second outer limiting rotating protrusion; the second guide portion includes a seat guide groove formed on the inner side of the upper wall of the inner groove, the seat guide groove extending in the vertical direction; the bottom guide portion includes a spacer protrusion formed between the first bottom limiting rotating groove and the second bottom limiting rotating groove, which corresponds to and cooperates with the spacer groove. The adapter also includes a rope passage section for the rope to pass through; the rope passage section has a rope hole and a notch connecting the rope hole and the mounting groove; The rope passage protrudes outward from the outer ring of the seat wall, and the rope passage hole gradually extends from top to bottom away from the seat wall; the notch penetrates the seat wall and has an upward opening, and the notch has a guide bottom wall between the upper end of the rope passage hole and the mounting groove for transitioning and guiding the rope; the rope passage is located below the connecting base, and the lower surface of the connecting base forms a rope passage receiving groove for accommodating the upper part of the rope passage. The rope passage groove has a groove protrusion that protrudes downward and extends into the upper part of the slot and covers the slot opening. There is a rope passage gap between the groove protrusion and the guide bottom wall for the rope to pass through.

9. A snap fastener for a snap-lock combination base, used to implement the snap-lock combination base as described in any one of claims 1-8, characterized in that: It includes a connecting base, an adapter that snaps into the connecting base, a cylindrical shell that snaps into the adapter, a winding shaft installed inside the cylindrical shell, and a knob installed above the winding shaft and driving the winding shaft. The connecting base, adapter, cylinder shell, winding shaft, and knob are assembled together.

10. The snap fastener according to claim 9, characterized in that: The cylindrical shell has a receiving cavity for accommodating the winding shaft, and the cylindrical shell includes a cylindrical snap-fit ​​part that engages with and snaps into the second seat snap-fit ​​part; The cylinder latching part includes two protrusions or grooves that mate with the two second latching parts; The cylindrical shell has an extension section that extends into the mounting groove to the bottom wall of the groove; the cylindrical snap-fit ​​part includes two cylindrical snap-fit ​​blocks that correspond one-to-one with the two snap-fit ​​grooves in the adapter seat and snap-fit ​​together, the two cylindrical snap-fit ​​blocks are located at both ends of the circumference of the cylindrical shell and protrude in opposite directions. The cylindrical shell includes a cylinder limiting part that cooperates with the second limiting part of the adapter seat to restrict the rotation of the cylindrical shell relative to the adapter seat about the axis of the winding shaft; The cylinder rotation limiting part includes the edge of the cylinder locking block that engages with the edge of the slot in the seat, and the lower end of the cylinder shell that matches and extends into the rotation limiting groove in the seat. The cylindrical shell also includes a cylinder guide portion that cooperates with the second seat guide portion of the adapter to guide the cylindrical shell to the accurate position of the adapter; The cylinder guide portion includes a cylinder guide protrusion formed on the outer side of the cylinder block and cooperating with the guide groove of the adapter seat; The cylinder guide protrusion is located below the cylinder locking block and extends in the vertical direction.

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